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diff --git a/lisp/gnus.el b/lisp/gnus.el deleted file mode 100644 index f50ca034de1..00000000000 --- a/lisp/gnus.el +++ /dev/null @@ -1,17270 +0,0 @@ -;;; gnus.el --- a newsreader for GNU Emacs -;; Copyright (C) 1987,88,89,90,93,94,95,96 Free Software Foundation, Inc. - -;; Author: Masanobu UMEDA <umerin@flab.flab.fujitsu.junet> -;; Lars Magne Ingebrigtsen <larsi@ifi.uio.no> -;; Keywords: news - -;; This file is part of GNU Emacs. - -;; GNU Emacs is free software; you can redistribute it and/or modify -;; it under the terms of the GNU General Public License as published by -;; the Free Software Foundation; either version 2, or (at your option) -;; any later version. - -;; GNU Emacs is distributed in the hope that it will be useful, -;; but WITHOUT ANY WARRANTY; without even the implied warranty of -;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -;; GNU General Public License for more details. - -;; You should have received a copy of the GNU General Public License -;; along with GNU Emacs; see the file COPYING. If not, write to the -;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, -;; Boston, MA 02111-1307, USA. - -;;; Commentary: - -;;; Code: - -(eval '(run-hooks 'gnus-load-hook)) - -(require 'mail-utils) -(require 'timezone) -(require 'nnheader) -(require 'nnmail) -(require 'backquote) -(require 'nnoo) - -(eval-when-compile (require 'cl)) - -(defvar gnus-directory (or (getenv "SAVEDIR") "~/News/") - "*Directory variable from which all other Gnus file variables are derived.") - -;; Site dependent variables. These variables should be defined in -;; paths.el. - -(defvar gnus-default-nntp-server nil - "Specify a default NNTP server. -This variable should be defined in paths.el, and should never be set -by the user. -If you want to change servers, you should use `gnus-select-method'. -See the documentation to that variable.") - -(defvar gnus-backup-default-subscribed-newsgroups - '("news.announce.newusers" "news.groups.questions" "gnu.emacs.gnus") - "Default default new newsgroups the first time Gnus is run. -Should be set in paths.el, and shouldn't be touched by the user.") - -(defvar gnus-local-organization nil - "String with a description of what organization (if any) the user belongs to. -The ORGANIZATION environment variable is used instead if it is defined. -If this variable contains a function, this function will be called -with the current newsgroup name as the argument. The function should -return a string. - -In any case, if the string (either in the variable, in the environment -variable, or returned by the function) is a file name, the contents of -this file will be used as the organization.") - -;; Customization variables - -;; Don't touch this variable. -(defvar gnus-nntp-service "nntp" - "*NNTP service name (\"nntp\" or 119). -This is an obsolete variable, which is scarcely used. If you use an -nntp server for your newsgroup and want to change the port number -used to 899, you would say something along these lines: - - (setq gnus-select-method '(nntp \"my.nntp.server\" (nntp-port-number 899)))") - -(defvar gnus-nntpserver-file "/etc/nntpserver" - "*A file with only the name of the nntp server in it.") - -;; This function is used to check both the environment variable -;; NNTPSERVER and the /etc/nntpserver file to see whether one can find -;; an nntp server name default. -(defun gnus-getenv-nntpserver () - (or (getenv "NNTPSERVER") - (and (file-readable-p gnus-nntpserver-file) - (save-excursion - (set-buffer (get-buffer-create " *gnus nntp*")) - (buffer-disable-undo (current-buffer)) - (insert-file-contents gnus-nntpserver-file) - (let ((name (buffer-string))) - (prog1 - (if (string-match "^[ \t\n]*$" name) - nil - name) - (kill-buffer (current-buffer)))))))) - -(defvar gnus-select-method - (nconc - (list 'nntp (or (condition-case () - (gnus-getenv-nntpserver) - (error nil)) - (if (and gnus-default-nntp-server - (not (string= gnus-default-nntp-server ""))) - gnus-default-nntp-server) - (system-name))) - (if (or (null gnus-nntp-service) - (equal gnus-nntp-service "nntp")) - nil - (list gnus-nntp-service))) - "*Default method for selecting a newsgroup. -This variable should be a list, where the first element is how the -news is to be fetched, the second is the address. - -For instance, if you want to get your news via NNTP from -\"flab.flab.edu\", you could say: - -(setq gnus-select-method '(nntp \"flab.flab.edu\")) - -If you want to use your local spool, say: - -(setq gnus-select-method (list 'nnspool (system-name))) - -If you use this variable, you must set `gnus-nntp-server' to nil. - -There is a lot more to know about select methods and virtual servers - -see the manual for details.") - -(defvar gnus-message-archive-method - `(nnfolder - "archive" - (nnfolder-directory ,(nnheader-concat message-directory "archive")) - (nnfolder-active-file - ,(nnheader-concat message-directory "archive/active")) - (nnfolder-get-new-mail nil) - (nnfolder-inhibit-expiry t)) - "*Method used for archiving messages you've sent. -This should be a mail method. - -It's probably not a very effective to change this variable once you've -run Gnus once. After doing that, you must edit this server from the -server buffer.") - -(defvar gnus-message-archive-group nil - "*Name of the group in which to save the messages you've written. -This can either be a string, a list of strings; or an alist -of regexps/functions/forms to be evaluated to return a string (or a list -of strings). The functions are called with the name of the current -group (or nil) as a parameter. - -Normally the group names returned by this variable should be -unprefixed -- which implictly means \"store on the archive server\". -However, you may wish to store the message on some other server. In -that case, just return a fully prefixed name of the group -- -\"nnml+private:mail.misc\", for instance.") - -(defvar gnus-refer-article-method nil - "*Preferred method for fetching an article by Message-ID. -If you are reading news from the local spool (with nnspool), fetching -articles by Message-ID is painfully slow. By setting this method to an -nntp method, you might get acceptable results. - -The value of this variable must be a valid select method as discussed -in the documentation of `gnus-select-method'.") - -(defvar gnus-secondary-select-methods nil - "*A list of secondary methods that will be used for reading news. -This is a list where each element is a complete select method (see -`gnus-select-method'). - -If, for instance, you want to read your mail with the nnml backend, -you could set this variable: - -(setq gnus-secondary-select-methods '((nnml \"\")))") - -(defvar gnus-secondary-servers nil - "*List of NNTP servers that the user can choose between interactively. -To make Gnus query you for a server, you have to give `gnus' a -non-numeric prefix - `C-u M-x gnus', in short.") - -(defvar gnus-nntp-server nil - "*The name of the host running the NNTP server. -This variable is semi-obsolete. Use the `gnus-select-method' -variable instead.") - -(defvar gnus-startup-file "~/.newsrc" - "*Your `.newsrc' file. -`.newsrc-SERVER' will be used instead if that exists.") - -(defvar gnus-init-file "~/.gnus" - "*Your Gnus elisp startup file. -If a file with the .el or .elc suffixes exist, it will be read -instead.") - -(defvar gnus-group-faq-directory - '("/ftp@mirrors.aol.com:/pub/rtfm/usenet/" - "/ftp@sunsite.auc.dk:/pub/usenet/" - "/ftp@sunsite.doc.ic.ac.uk:/pub/usenet/news-faqs/" - "/ftp@src.doc.ic.ac.uk:/usenet/news-FAQS/" - "/ftp@ftp.seas.gwu.edu:/pub/rtfm/" - "/ftp@rtfm.mit.edu:/pub/usenet/" - "/ftp@ftp.uni-paderborn.de:/pub/FAQ/" - "/ftp@ftp.sunet.se:/pub/usenet/" - "/ftp@nctuccca.edu.tw:/USENET/FAQ/" - "/ftp@hwarang.postech.ac.kr:/pub/usenet/" - "/ftp@ftp.hk.super.net:/mirror/faqs/") - "*Directory where the group FAQs are stored. -This will most commonly be on a remote machine, and the file will be -fetched by ange-ftp. - -This variable can also be a list of directories. In that case, the -first element in the list will be used by default. The others can -be used when being prompted for a site. - -Note that Gnus uses an aol machine as the default directory. If this -feels fundamentally unclean, just think of it as a way to finally get -something of value back from them. - -If the default site is too slow, try one of these: - - North America: mirrors.aol.com /pub/rtfm/usenet - ftp.seas.gwu.edu /pub/rtfm - rtfm.mit.edu /pub/usenet - Europe: ftp.uni-paderborn.de /pub/FAQ - src.doc.ic.ac.uk /usenet/news-FAQS - ftp.sunet.se /pub/usenet - sunsite.auc.dk /pub/usenet - Asia: nctuccca.edu.tw /USENET/FAQ - hwarang.postech.ac.kr /pub/usenet - ftp.hk.super.net /mirror/faqs") - -(defvar gnus-group-archive-directory - "/ftp@ftp.hpc.uh.edu:/pub/emacs/ding-list/" - "*The address of the (ding) archives.") - -(defvar gnus-group-recent-archive-directory - "/ftp@ftp.hpc.uh.edu:/pub/emacs/ding-list-recent/" - "*The address of the most recent (ding) articles.") - -(defvar gnus-default-subscribed-newsgroups nil - "*This variable lists what newsgroups should be subscribed the first time Gnus is used. -It should be a list of strings. -If it is `t', Gnus will not do anything special the first time it is -started; it'll just use the normal newsgroups subscription methods.") - -(defvar gnus-use-cross-reference t - "*Non-nil means that cross referenced articles will be marked as read. -If nil, ignore cross references. If t, mark articles as read in -subscribed newsgroups. If neither t nor nil, mark as read in all -newsgroups.") - -(defvar gnus-single-article-buffer t - "*If non-nil, display all articles in the same buffer. -If nil, each group will get its own article buffer.") - -(defvar gnus-use-dribble-file t - "*Non-nil means that Gnus will use a dribble file to store user updates. -If Emacs should crash without saving the .newsrc files, complete -information can be restored from the dribble file.") - -(defvar gnus-dribble-directory nil - "*The directory where dribble files will be saved. -If this variable is nil, the directory where the .newsrc files are -saved will be used.") - -(defvar gnus-asynchronous nil - "*If non-nil, Gnus will supply backends with data needed for async article fetching.") - -(defvar gnus-kill-summary-on-exit t - "*If non-nil, kill the summary buffer when you exit from it. -If nil, the summary will become a \"*Dead Summary*\" buffer, and -it will be killed sometime later.") - -(defvar gnus-large-newsgroup 200 - "*The number of articles which indicates a large newsgroup. -If the number of articles in a newsgroup is greater than this value, -confirmation is required for selecting the newsgroup.") - -;; Suggested by Andrew Eskilsson <pi92ae@lelle.pt.hk-r.se>. -(defvar gnus-no-groups-message "No news is horrible news" - "*Message displayed by Gnus when no groups are available.") - -(defvar gnus-use-long-file-name (not (memq system-type '(usg-unix-v xenix))) - "*Non-nil means that the default name of a file to save articles in is the group name. -If it's nil, the directory form of the group name is used instead. - -If this variable is a list, and the list contains the element -`not-score', long file names will not be used for score files; if it -contains the element `not-save', long file names will not be used for -saving; and if it contains the element `not-kill', long file names -will not be used for kill files. - -Note that the default for this variable varies according to what system -type you're using. On `usg-unix-v' and `xenix' this variable defaults -to nil while on all other systems it defaults to t.") - -(defvar gnus-article-save-directory gnus-directory - "*Name of the directory articles will be saved in (default \"~/News\").") - -(defvar gnus-kill-files-directory gnus-directory - "*Name of the directory where kill files will be stored (default \"~/News\").") - -(defvar gnus-default-article-saver 'gnus-summary-save-in-rmail - "*A function to save articles in your favorite format. -The function must be interactively callable (in other words, it must -be an Emacs command). - -Gnus provides the following functions: - -* gnus-summary-save-in-rmail (Rmail format) -* gnus-summary-save-in-mail (Unix mail format) -* gnus-summary-save-in-folder (MH folder) -* gnus-summary-save-in-file (article format). -* gnus-summary-save-in-vm (use VM's folder format).") - -(defvar gnus-prompt-before-saving 'always - "*This variable says how much prompting is to be done when saving articles. -If it is nil, no prompting will be done, and the articles will be -saved to the default files. If this variable is `always', each and -every article that is saved will be preceded by a prompt, even when -saving large batches of articles. If this variable is neither nil not -`always', there the user will be prompted once for a file name for -each invocation of the saving commands.") - -(defvar gnus-rmail-save-name (function gnus-plain-save-name) - "*A function generating a file name to save articles in Rmail format. -The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE.") - -(defvar gnus-mail-save-name (function gnus-plain-save-name) - "*A function generating a file name to save articles in Unix mail format. -The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE.") - -(defvar gnus-folder-save-name (function gnus-folder-save-name) - "*A function generating a file name to save articles in MH folder. -The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER.") - -(defvar gnus-file-save-name (function gnus-numeric-save-name) - "*A function generating a file name to save articles in article format. -The function is called with NEWSGROUP, HEADERS, and optional -LAST-FILE.") - -(defvar gnus-split-methods - '((gnus-article-archive-name)) - "*Variable used to suggest where articles are to be saved. -For instance, if you would like to save articles related to Gnus in -the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\", -you could set this variable to something like: - - '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\") - (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\")) - -This variable is an alist where the where the key is the match and the -value is a list of possible files to save in if the match is non-nil. - -If the match is a string, it is used as a regexp match on the -article. If the match is a symbol, that symbol will be funcalled -from the buffer of the article to be saved with the newsgroup as the -parameter. If it is a list, it will be evaled in the same buffer. - -If this form or function returns a string, this string will be used as -a possible file name; and if it returns a non-nil list, that list will -be used as possible file names.") - -(defvar gnus-move-split-methods nil - "*Variable used to suggest where articles are to be moved to. -It uses the same syntax as the `gnus-split-methods' variable.") - -(defvar gnus-save-score nil - "*If non-nil, save group scoring info.") - -(defvar gnus-use-adaptive-scoring nil - "*If non-nil, use some adaptive scoring scheme.") - -(defvar gnus-use-cache 'passive - "*If nil, Gnus will ignore the article cache. -If `passive', it will allow entering (and reading) articles -explicitly entered into the cache. If anything else, use the -cache to the full extent of the law.") - -(defvar gnus-use-trees nil - "*If non-nil, display a thread tree buffer.") - -(defvar gnus-use-grouplens nil - "*If non-nil, use GroupLens ratings.") - -(defvar gnus-keep-backlog nil - "*If non-nil, Gnus will keep read articles for later re-retrieval. -If it is a number N, then Gnus will only keep the last N articles -read. If it is neither nil nor a number, Gnus will keep all read -articles. This is not a good idea.") - -(defvar gnus-use-nocem nil - "*If non-nil, Gnus will read NoCeM cancel messages.") - -(defvar gnus-use-demon nil - "If non-nil, Gnus might use some demons.") - -(defvar gnus-use-scoring t - "*If non-nil, enable scoring.") - -(defvar gnus-use-picons nil - "*If non-nil, display picons.") - -(defvar gnus-fetch-old-headers nil - "*Non-nil means that Gnus will try to build threads by grabbing old headers. -If an unread article in the group refers to an older, already read (or -just marked as read) article, the old article will not normally be -displayed in the Summary buffer. If this variable is non-nil, Gnus -will attempt to grab the headers to the old articles, and thereby -build complete threads. If it has the value `some', only enough -headers to connect otherwise loose threads will be displayed. -This variable can also be a number. In that case, no more than that -number of old headers will be fetched. - -The server has to support NOV for any of this to work.") - -;see gnus-cus.el -;(defvar gnus-visual t -; "*If non-nil, will do various highlighting. -;If nil, no mouse highlights (or any other highlights) will be -;performed. This might speed up Gnus some when generating large group -;and summary buffers.") - -(defvar gnus-novice-user t - "*Non-nil means that you are a usenet novice. -If non-nil, verbose messages may be displayed and confirmations may be -required.") - -(defvar gnus-expert-user nil - "*Non-nil means that you will never be asked for confirmation about anything. -And that means *anything*.") - -(defvar gnus-verbose 7 - "*Integer that says how verbose Gnus should be. -The higher the number, the more messages Gnus will flash to say what -it's doing. At zero, Gnus will be totally mute; at five, Gnus will -display most important messages; and at ten, Gnus will keep on -jabbering all the time.") - -(defvar gnus-keep-same-level nil - "*Non-nil means that the next newsgroup after the current will be on the same level. -When you type, for instance, `n' after reading the last article in the -current newsgroup, you will go to the next newsgroup. If this variable -is nil, the next newsgroup will be the next from the group -buffer. -If this variable is non-nil, Gnus will either put you in the -next newsgroup with the same level, or, if no such newsgroup is -available, the next newsgroup with the lowest possible level higher -than the current level. -If this variable is `best', Gnus will make the next newsgroup the one -with the best level.") - -(defvar gnus-summary-make-false-root 'adopt - "*nil means that Gnus won't gather loose threads. -If the root of a thread has expired or been read in a previous -session, the information necessary to build a complete thread has been -lost. Instead of having many small sub-threads from this original thread -scattered all over the summary buffer, Gnus can gather them. - -If non-nil, Gnus will try to gather all loose sub-threads from an -original thread into one large thread. - -If this variable is non-nil, it should be one of `none', `adopt', -`dummy' or `empty'. - -If this variable is `none', Gnus will not make a false root, but just -present the sub-threads after another. -If this variable is `dummy', Gnus will create a dummy root that will -have all the sub-threads as children. -If this variable is `adopt', Gnus will make one of the \"children\" -the parent and mark all the step-children as such. -If this variable is `empty', the \"children\" are printed with empty -subject fields. (Or rather, they will be printed with a string -given by the `gnus-summary-same-subject' variable.)") - -(defvar gnus-summary-gather-exclude-subject "^ *$\\|^(none)$" - "*A regexp to match subjects to be excluded from loose thread gathering. -As loose thread gathering is done on subjects only, that means that -there can be many false gatherings performed. By rooting out certain -common subjects, gathering might become saner.") - -(defvar gnus-summary-gather-subject-limit nil - "*Maximum length of subject comparisons when gathering loose threads. -Use nil to compare full subjects. Setting this variable to a low -number will help gather threads that have been corrupted by -newsreaders chopping off subject lines, but it might also mean that -unrelated articles that have subject that happen to begin with the -same few characters will be incorrectly gathered. - -If this variable is `fuzzy', Gnus will use a fuzzy algorithm when -comparing subjects.") - -(defvar gnus-simplify-ignored-prefixes nil - "*Regexp, matches for which are removed from subject lines when simplifying.") - -(defvar gnus-build-sparse-threads nil - "*If non-nil, fill in the gaps in threads. -If `some', only fill in the gaps that are needed to tie loose threads -together. If `more', fill in all leaf nodes that Gnus can find. If -non-nil and non-`some', fill in all gaps that Gnus manages to guess.") - -(defvar gnus-summary-thread-gathering-function 'gnus-gather-threads-by-subject - "Function used for gathering loose threads. -There are two pre-defined functions: `gnus-gather-threads-by-subject', -which only takes Subjects into consideration; and -`gnus-gather-threads-by-references', which compared the References -headers of the articles to find matches.") - -;; Added by Per Abrahamsen <amanda@iesd.auc.dk>. -(defvar gnus-summary-same-subject "" - "*String indicating that the current article has the same subject as the previous. -This variable will only be used if the value of -`gnus-summary-make-false-root' is `empty'.") - -(defvar gnus-summary-goto-unread t - "*If non-nil, marking commands will go to the next unread article. -If `never', \\<gnus-summary-mode-map>\\[gnus-summary-next-page] will go to the next article, -whether it is read or not.") - -(defvar gnus-group-goto-unread t - "*If non-nil, movement commands will go to the next unread and subscribed group.") - -(defvar gnus-goto-next-group-when-activating t - "*If non-nil, the \\<gnus-group-mode-map>\\[gnus-group-get-new-news-this-group] command will advance point to the next group.") - -(defvar gnus-check-new-newsgroups t - "*Non-nil means that Gnus will add new newsgroups at startup. -If this variable is `ask-server', Gnus will ask the server for new -groups since the last time it checked. This means that the killed list -is no longer necessary, so you could set `gnus-save-killed-list' to -nil. - -A variant is to have this variable be a list of select methods. Gnus -will then use the `ask-server' method on all these select methods to -query for new groups from all those servers. - -Eg. - (setq gnus-check-new-newsgroups - '((nntp \"some.server\") (nntp \"other.server\"))) - -If this variable is nil, then you have to tell Gnus explicitly to -check for new newsgroups with \\<gnus-group-mode-map>\\[gnus-find-new-newsgroups].") - -(defvar gnus-check-bogus-newsgroups nil - "*Non-nil means that Gnus will check and remove bogus newsgroup at startup. -If this variable is nil, then you have to tell Gnus explicitly to -check for bogus newsgroups with \\<gnus-group-mode-map>\\[gnus-group-check-bogus-groups].") - -(defvar gnus-read-active-file t - "*Non-nil means that Gnus will read the entire active file at startup. -If this variable is nil, Gnus will only know about the groups in your -`.newsrc' file. - -If this variable is `some', Gnus will try to only read the relevant -parts of the active file from the server. Not all servers support -this, and it might be quite slow with other servers, but this should -generally be faster than both the t and nil value. - -If you set this variable to nil or `some', you probably still want to -be told about new newsgroups that arrive. To do that, set -`gnus-check-new-newsgroups' to `ask-server'. This may not work -properly with all servers.") - -(defvar gnus-level-subscribed 5 - "*Groups with levels less than or equal to this variable are subscribed.") - -(defvar gnus-level-unsubscribed 7 - "*Groups with levels less than or equal to this variable are unsubscribed. -Groups with levels less than `gnus-level-subscribed', which should be -less than this variable, are subscribed.") - -(defvar gnus-level-zombie 8 - "*Groups with this level are zombie groups.") - -(defvar gnus-level-killed 9 - "*Groups with this level are killed.") - -(defvar gnus-level-default-subscribed 3 - "*New subscribed groups will be subscribed at this level.") - -(defvar gnus-level-default-unsubscribed 6 - "*New unsubscribed groups will be unsubscribed at this level.") - -(defvar gnus-activate-level (1+ gnus-level-subscribed) - "*Groups higher than this level won't be activated on startup. -Setting this variable to something log might save lots of time when -you have many groups that you aren't interested in.") - -(defvar gnus-activate-foreign-newsgroups 4 - "*If nil, Gnus will not check foreign newsgroups at startup. -If it is non-nil, it should be a number between one and nine. Foreign -newsgroups that have a level lower or equal to this number will be -activated on startup. For instance, if you want to active all -subscribed newsgroups, but not the rest, you'd set this variable to -`gnus-level-subscribed'. - -If you subscribe to lots of newsgroups from different servers, startup -might take a while. By setting this variable to nil, you'll save time, -but you won't be told how many unread articles there are in the -groups.") - -(defvar gnus-save-newsrc-file t - "*Non-nil means that Gnus will save the `.newsrc' file. -Gnus always saves its own startup file, which is called -\".newsrc.eld\". The file called \".newsrc\" is in a format that can -be readily understood by other newsreaders. If you don't plan on -using other newsreaders, set this variable to nil to save some time on -exit.") - -(defvar gnus-save-killed-list t - "*If non-nil, save the list of killed groups to the startup file. -If you set this variable to nil, you'll save both time (when starting -and quitting) and space (both memory and disk), but it will also mean -that Gnus has no record of which groups are new and which are old, so -the automatic new newsgroups subscription methods become meaningless. - -You should always set `gnus-check-new-newsgroups' to `ask-server' or -nil if you set this variable to nil.") - -(defvar gnus-interactive-catchup t - "*If non-nil, require your confirmation when catching up a group.") - -(defvar gnus-interactive-exit t - "*If non-nil, require your confirmation when exiting Gnus.") - -(defvar gnus-kill-killed t - "*If non-nil, Gnus will apply kill files to already killed articles. -If it is nil, Gnus will never apply kill files to articles that have -already been through the scoring process, which might very well save lots -of time.") - -(defvar gnus-extract-address-components 'gnus-extract-address-components - "*Function for extracting address components from a From header. -Two pre-defined function exist: `gnus-extract-address-components', -which is the default, quite fast, and too simplistic solution, and -`mail-extract-address-components', which works much better, but is -slower.") - -(defvar gnus-summary-default-score 0 - "*Default article score level. -If this variable is nil, scoring will be disabled.") - -(defvar gnus-summary-zcore-fuzz 0 - "*Fuzziness factor for the zcore in the summary buffer. -Articles with scores closer than this to `gnus-summary-default-score' -will not be marked.") - -(defvar gnus-simplify-subject-fuzzy-regexp nil - "*Strings to be removed when doing fuzzy matches. -This can either be a regular expression or list of regular expressions -that will be removed from subject strings if fuzzy subject -simplification is selected.") - -(defvar gnus-permanently-visible-groups nil - "*Regexp to match groups that should always be listed in the group buffer. -This means that they will still be listed when there are no unread -articles in the groups.") - -(defvar gnus-list-groups-with-ticked-articles t - "*If non-nil, list groups that have only ticked articles. -If nil, only list groups that have unread articles.") - -(defvar gnus-group-default-list-level gnus-level-subscribed - "*Default listing level. -Ignored if `gnus-group-use-permanent-levels' is non-nil.") - -(defvar gnus-group-use-permanent-levels nil - "*If non-nil, once you set a level, Gnus will use this level.") - -(defvar gnus-group-list-inactive-groups t - "*If non-nil, inactive groups will be listed.") - -(defvar gnus-show-mime nil - "*If non-nil, do mime processing of articles. -The articles will simply be fed to the function given by -`gnus-show-mime-method'.") - -(defvar gnus-strict-mime t - "*If nil, MIME-decode even if there is no Mime-Version header in the article.") - -(defvar gnus-show-mime-method 'metamail-buffer - "*Function to process a MIME message. -The function is called from the article buffer.") - -(defvar gnus-decode-encoded-word-method (lambda ()) - "*Function to decode a MIME encoded-words. -The function is called from the article buffer.") - -(defvar gnus-show-threads t - "*If non-nil, display threads in summary mode.") - -(defvar gnus-thread-hide-subtree nil - "*If non-nil, hide all threads initially. -If threads are hidden, you have to run the command -`gnus-summary-show-thread' by hand or use `gnus-select-article-hook' -to expose hidden threads.") - -(defvar gnus-thread-hide-killed t - "*If non-nil, hide killed threads automatically.") - -(defvar gnus-thread-ignore-subject nil - "*If non-nil, ignore subjects and do all threading based on the Reference header. -If nil, which is the default, articles that have different subjects -from their parents will start separate threads.") - -(defvar gnus-thread-operation-ignore-subject t - "*If non-nil, subjects will be ignored when doing thread commands. -This affects commands like `gnus-summary-kill-thread' and -`gnus-summary-lower-thread'. - -If this variable is nil, articles in the same thread with different -subjects will not be included in the operation in question. If this -variable is `fuzzy', only articles that have subjects that are fuzzily -equal will be included.") - -(defvar gnus-thread-indent-level 4 - "*Number that says how much each sub-thread should be indented.") - -(defvar gnus-ignored-newsgroups - (purecopy (mapconcat 'identity - '("^to\\." ; not "real" groups - "^[0-9. \t]+ " ; all digits in name - "[][\"#'()]" ; bogus characters - ) - "\\|")) - "*A regexp to match uninteresting newsgroups in the active file. -Any lines in the active file matching this regular expression are -removed from the newsgroup list before anything else is done to it, -thus making them effectively non-existent.") - -(defvar gnus-ignored-headers - "^Path:\\|^Posting-Version:\\|^Article-I.D.:\\|^Expires:\\|^Date-Received:\\|^References:\\|^Control:\\|^Xref:\\|^Lines:\\|^Posted:\\|^Relay-Version:\\|^Message-ID:\\|^Nf-ID:\\|^Nf-From:\\|^Approved:\\|^Sender:\\|^Received:\\|^Mail-from:" - "*All headers that match this regexp will be hidden. -This variable can also be a list of regexps of headers to be ignored. -If `gnus-visible-headers' is non-nil, this variable will be ignored.") - -(defvar gnus-visible-headers "^From:\\|^Newsgroups:\\|^Subject:\\|^Date:\\|^Followup-To:\\|^Reply-To:\\|^Organization:\\|^Summary:\\|^Keywords:\\|^To:\\|^Cc:\\|^Posted-To:\\|^Mail-Copies-To:\\|^Apparently-To:\\|^Gnus-Warning:\\|^Resent-" - "*All headers that do not match this regexp will be hidden. -This variable can also be a list of regexp of headers to remain visible. -If this variable is non-nil, `gnus-ignored-headers' will be ignored.") - -(defvar gnus-sorted-header-list - '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:" "^To:" - "^Cc:" "^Date:" "^Organization:") - "*This variable is a list of regular expressions. -If it is non-nil, headers that match the regular expressions will -be placed first in the article buffer in the sequence specified by -this list.") - -(defvar gnus-boring-article-headers - '(empty followup-to reply-to) - "*Headers that are only to be displayed if they have interesting data. -Possible values in this list are `empty', `newsgroups', `followup-to', -`reply-to', and `date'.") - -(defvar gnus-show-all-headers nil - "*If non-nil, don't hide any headers.") - -(defvar gnus-save-all-headers t - "*If non-nil, don't remove any headers before saving.") - -(defvar gnus-saved-headers gnus-visible-headers - "*Headers to keep if `gnus-save-all-headers' is nil. -If `gnus-save-all-headers' is non-nil, this variable will be ignored. -If that variable is nil, however, all headers that match this regexp -will be kept while the rest will be deleted before saving.") - -(defvar gnus-inhibit-startup-message nil - "*If non-nil, the startup message will not be displayed.") - -(defvar gnus-signature-separator "^-- *$" - "Regexp matching signature separator.") - -(defvar gnus-signature-limit nil - "Provide a limit to what is considered a signature. -If it is a number, no signature may not be longer (in characters) than -that number. If it is a function, the function will be called without -any parameters, and if it returns nil, there is no signature in the -buffer. If it is a string, it will be used as a regexp. If it -matches, the text in question is not a signature.") - -(defvar gnus-auto-extend-newsgroup t - "*If non-nil, extend newsgroup forward and backward when requested.") - -(defvar gnus-auto-select-first t - "*If nil, don't select the first unread article when entering a group. -If this variable is `best', select the highest-scored unread article -in the group. If neither nil nor `best', select the first unread -article. - -If you want to prevent automatic selection of the first unread article -in some newsgroups, set the variable to nil in -`gnus-select-group-hook'.") - -(defvar gnus-auto-select-next t - "*If non-nil, offer to go to the next group from the end of the previous. -If the value is t and the next newsgroup is empty, Gnus will exit -summary mode and go back to group mode. If the value is neither nil -nor t, Gnus will select the following unread newsgroup. In -particular, if the value is the symbol `quietly', the next unread -newsgroup will be selected without any confirmation, and if it is -`almost-quietly', the next group will be selected without any -confirmation if you are located on the last article in the group. -Finally, if this variable is `slightly-quietly', the `Z n' command -will go to the next group without confirmation.") - -(defvar gnus-auto-select-same nil - "*If non-nil, select the next article with the same subject.") - -(defvar gnus-summary-check-current nil - "*If non-nil, consider the current article when moving. -The \"unread\" movement commands will stay on the same line if the -current article is unread.") - -(defvar gnus-auto-center-summary t - "*If non-nil, always center the current summary buffer. -In particular, if `vertical' do only vertical recentering. If non-nil -and non-`vertical', do both horizontal and vertical recentering.") - -(defvar gnus-break-pages t - "*If non-nil, do page breaking on articles. -The page delimiter is specified by the `gnus-page-delimiter' -variable.") - -(defvar gnus-page-delimiter "^\^L" - "*Regexp describing what to use as article page delimiters. -The default value is \"^\^L\", which is a form linefeed at the -beginning of a line.") - -(defvar gnus-use-full-window t - "*If non-nil, use the entire Emacs screen.") - -(defvar gnus-window-configuration nil - "Obsolete variable. See `gnus-buffer-configuration'.") - -(defvar gnus-window-min-width 2 - "*Minimum width of Gnus buffers.") - -(defvar gnus-window-min-height 1 - "*Minimum height of Gnus buffers.") - -(defvar gnus-buffer-configuration - '((group - (vertical 1.0 - (group 1.0 point) - (if gnus-carpal '(group-carpal 4)))) - (summary - (vertical 1.0 - (summary 1.0 point) - (if gnus-carpal '(summary-carpal 4)))) - (article - (cond - (gnus-use-picons - '(frame 1.0 - (vertical 1.0 - (summary 0.25 point) - (if gnus-carpal '(summary-carpal 4)) - (article 1.0)) - (vertical ((height . 5) (width . 15) - (user-position . t) - (left . -1) (top . 1)) - (picons 1.0)))) - (gnus-use-trees - '(vertical 1.0 - (summary 0.25 point) - (tree 0.25) - (article 1.0))) - (t - '(vertical 1.0 - (summary 0.25 point) - (if gnus-carpal '(summary-carpal 4)) - (article 1.0))))) - (server - (vertical 1.0 - (server 1.0 point) - (if gnus-carpal '(server-carpal 2)))) - (browse - (vertical 1.0 - (browse 1.0 point) - (if gnus-carpal '(browse-carpal 2)))) - (message - (vertical 1.0 - (message 1.0 point))) - (pick - (vertical 1.0 - (article 1.0 point))) - (info - (vertical 1.0 - (info 1.0 point))) - (summary-faq - (vertical 1.0 - (summary 0.25) - (faq 1.0 point))) - (edit-group - (vertical 1.0 - (group 0.5) - (edit-group 1.0 point))) - (edit-server - (vertical 1.0 - (server 0.5) - (edit-server 1.0 point))) - (edit-score - (vertical 1.0 - (summary 0.25) - (edit-score 1.0 point))) - (post - (vertical 1.0 - (post 1.0 point))) - (reply - (vertical 1.0 - (article-copy 0.5) - (message 1.0 point))) - (forward - (vertical 1.0 - (message 1.0 point))) - (reply-yank - (vertical 1.0 - (message 1.0 point))) - (mail-bounce - (vertical 1.0 - (article 0.5) - (message 1.0 point))) - (draft - (vertical 1.0 - (draft 1.0 point))) - (pipe - (vertical 1.0 - (summary 0.25 point) - (if gnus-carpal '(summary-carpal 4)) - ("*Shell Command Output*" 1.0))) - (bug - (vertical 1.0 - ("*Gnus Help Bug*" 0.5) - ("*Gnus Bug*" 1.0 point))) - (compose-bounce - (vertical 1.0 - (article 0.5) - (message 1.0 point)))) - "Window configuration for all possible Gnus buffers. -This variable is a list of lists. Each of these lists has a NAME and -a RULE. The NAMEs are commonsense names like `group', which names a -rule used when displaying the group buffer; `summary', which names a -rule for what happens when you enter a group and do not display an -article buffer; and so on. See the value of this variable for a -complete list of NAMEs. - -Each RULE is a list of vectors. The first element in this vector is -the name of the buffer to be displayed; the second element is the -percentage of the screen this buffer is to occupy (a number in the -0.0-0.99 range); the optional third element is `point', which should -be present to denote which buffer point is to go to after making this -buffer configuration.") - -(defvar gnus-window-to-buffer - '((group . gnus-group-buffer) - (summary . gnus-summary-buffer) - (article . gnus-article-buffer) - (server . gnus-server-buffer) - (browse . "*Gnus Browse Server*") - (edit-group . gnus-group-edit-buffer) - (edit-server . gnus-server-edit-buffer) - (group-carpal . gnus-carpal-group-buffer) - (summary-carpal . gnus-carpal-summary-buffer) - (server-carpal . gnus-carpal-server-buffer) - (browse-carpal . gnus-carpal-browse-buffer) - (edit-score . gnus-score-edit-buffer) - (message . gnus-message-buffer) - (mail . gnus-message-buffer) - (post-news . gnus-message-buffer) - (faq . gnus-faq-buffer) - (picons . "*Picons*") - (tree . gnus-tree-buffer) - (info . gnus-info-buffer) - (article-copy . gnus-article-copy) - (draft . gnus-draft-buffer)) - "Mapping from short symbols to buffer names or buffer variables.") - -(defvar gnus-carpal nil - "*If non-nil, display clickable icons.") - -(defvar gnus-subscribe-newsgroup-method 'gnus-subscribe-zombies - "*Function called with a group name when new group is detected. -A few pre-made functions are supplied: `gnus-subscribe-randomly' -inserts new groups at the beginning of the list of groups; -`gnus-subscribe-alphabetically' inserts new groups in strict -alphabetic order; `gnus-subscribe-hierarchically' inserts new groups -in hierarchical newsgroup order; `gnus-subscribe-interactively' asks -for your decision; `gnus-subscribe-killed' kills all new groups; -`gnus-subscribe-zombies' will make all new groups into zombies.") - -;; Suggested by a bug report by Hallvard B Furuseth. -;; <h.b.furuseth@usit.uio.no>. -(defvar gnus-subscribe-options-newsgroup-method - (function gnus-subscribe-alphabetically) - "*This function is called to subscribe newsgroups mentioned on \"options -n\" lines. -If, for instance, you want to subscribe to all newsgroups in the -\"no\" and \"alt\" hierarchies, you'd put the following in your -.newsrc file: - -options -n no.all alt.all - -Gnus will the subscribe all new newsgroups in these hierarchies with -the subscription method in this variable.") - -(defvar gnus-subscribe-hierarchical-interactive nil - "*If non-nil, Gnus will offer to subscribe hierarchically. -When a new hierarchy appears, Gnus will ask the user: - -'alt.binaries': Do you want to subscribe to this hierarchy? ([d]ys): - -If the user pressed `d', Gnus will descend the hierarchy, `y' will -subscribe to all newsgroups in the hierarchy and `s' will skip this -hierarchy in its entirety.") - -(defvar gnus-group-sort-function 'gnus-group-sort-by-alphabet - "*Function used for sorting the group buffer. -This function will be called with group info entries as the arguments -for the groups to be sorted. Pre-made functions include -`gnus-group-sort-by-alphabet', `gnus-group-sort-by-unread', -`gnus-group-sort-by-level', `gnus-group-sort-by-score', and -`gnus-group-sort-by-rank'. - -This variable can also be a list of sorting functions. In that case, -the most significant sort function should be the last function in the -list.") - -;; Mark variables suggested by Thomas Michanek -;; <Thomas.Michanek@telelogic.se>. -(defvar gnus-unread-mark ? - "*Mark used for unread articles.") -(defvar gnus-ticked-mark ?! - "*Mark used for ticked articles.") -(defvar gnus-dormant-mark ?? - "*Mark used for dormant articles.") -(defvar gnus-del-mark ?r - "*Mark used for del'd articles.") -(defvar gnus-read-mark ?R - "*Mark used for read articles.") -(defvar gnus-expirable-mark ?E - "*Mark used for expirable articles.") -(defvar gnus-killed-mark ?K - "*Mark used for killed articles.") -(defvar gnus-souped-mark ?F - "*Mark used for killed articles.") -(defvar gnus-kill-file-mark ?X - "*Mark used for articles killed by kill files.") -(defvar gnus-low-score-mark ?Y - "*Mark used for articles with a low score.") -(defvar gnus-catchup-mark ?C - "*Mark used for articles that are caught up.") -(defvar gnus-replied-mark ?A - "*Mark used for articles that have been replied to.") -(defvar gnus-cached-mark ?* - "*Mark used for articles that are in the cache.") -(defvar gnus-saved-mark ?S - "*Mark used for articles that have been saved to.") -(defvar gnus-process-mark ?# - "*Process mark.") -(defvar gnus-ancient-mark ?O - "*Mark used for ancient articles.") -(defvar gnus-sparse-mark ?Q - "*Mark used for sparsely reffed articles.") -(defvar gnus-canceled-mark ?G - "*Mark used for canceled articles.") -(defvar gnus-score-over-mark ?+ - "*Score mark used for articles with high scores.") -(defvar gnus-score-below-mark ?- - "*Score mark used for articles with low scores.") -(defvar gnus-empty-thread-mark ? - "*There is no thread under the article.") -(defvar gnus-not-empty-thread-mark ?= - "*There is a thread under the article.") - -(defvar gnus-view-pseudo-asynchronously nil - "*If non-nil, Gnus will view pseudo-articles asynchronously.") - -(defvar gnus-view-pseudos nil - "*If `automatic', pseudo-articles will be viewed automatically. -If `not-confirm', pseudos will be viewed automatically, and the user -will not be asked to confirm the command.") - -(defvar gnus-view-pseudos-separately t - "*If non-nil, one pseudo-article will be created for each file to be viewed. -If nil, all files that use the same viewing command will be given as a -list of parameters to that command.") - -(defvar gnus-insert-pseudo-articles t - "*If non-nil, insert pseudo-articles when decoding articles.") - -(defvar gnus-group-line-format "%M%S%p%P%5y: %(%g%)%l\n" - "*Format of group lines. -It works along the same lines as a normal formatting string, -with some simple extensions. - -%M Only marked articles (character, \"*\" or \" \") -%S Whether the group is subscribed (character, \"U\", \"K\", \"Z\" or \" \") -%L Level of subscribedness (integer) -%N Number of unread articles (integer) -%I Number of dormant articles (integer) -%i Number of ticked and dormant (integer) -%T Number of ticked articles (integer) -%R Number of read articles (integer) -%t Total number of articles (integer) -%y Number of unread, unticked articles (integer) -%G Group name (string) -%g Qualified group name (string) -%D Group description (string) -%s Select method (string) -%o Moderated group (char, \"m\") -%p Process mark (char) -%O Moderated group (string, \"(m)\" or \"\") -%P Topic indentation (string) -%l Whether there are GroupLens predictions for this group (string) -%n Select from where (string) -%z A string that look like `<%s:%n>' if a foreign select method is used -%u User defined specifier. The next character in the format string should - be a letter. Gnus will call the function gnus-user-format-function-X, - where X is the letter following %u. The function will be passed the - current header as argument. The function should return a string, which - will be inserted into the buffer just like information from any other - group specifier. - -Text between %( and %) will be highlighted with `gnus-mouse-face' when -the mouse point move inside the area. There can only be one such area. - -Note that this format specification is not always respected. For -reasons of efficiency, when listing killed groups, this specification -is ignored altogether. If the spec is changed considerably, your -output may end up looking strange when listing both alive and killed -groups. - -If you use %o or %O, reading the active file will be slower and quite -a bit of extra memory will be used. %D will also worsen performance. -Also note that if you change the format specification to include any -of these specs, you must probably re-start Gnus to see them go into -effect.") - -(defvar gnus-summary-line-format "%U%R%z%I%(%[%4L: %-20,20n%]%) %s\n" - "*The format specification of the lines in the summary buffer. - -It works along the same lines as a normal formatting string, -with some simple extensions. - -%N Article number, left padded with spaces (string) -%S Subject (string) -%s Subject if it is at the root of a thread, and \"\" otherwise (string) -%n Name of the poster (string) -%a Extracted name of the poster (string) -%A Extracted address of the poster (string) -%F Contents of the From: header (string) -%x Contents of the Xref: header (string) -%D Date of the article (string) -%d Date of the article (string) in DD-MMM format -%M Message-id of the article (string) -%r References of the article (string) -%c Number of characters in the article (integer) -%L Number of lines in the article (integer) -%I Indentation based on thread level (a string of spaces) -%T A string with two possible values: 80 spaces if the article - is on thread level two or larger and 0 spaces on level one -%R \"A\" if this article has been replied to, \" \" otherwise (character) -%U Status of this article (character, \"R\", \"K\", \"-\" or \" \") -%[ Opening bracket (character, \"[\" or \"<\") -%] Closing bracket (character, \"]\" or \">\") -%> Spaces of length thread-level (string) -%< Spaces of length (- 20 thread-level) (string) -%i Article score (number) -%z Article zcore (character) -%t Number of articles under the current thread (number). -%e Whether the thread is empty or not (character). -%l GroupLens score (string). -%u User defined specifier. The next character in the format string should - be a letter. Gnus will call the function gnus-user-format-function-X, - where X is the letter following %u. The function will be passed the - current header as argument. The function should return a string, which - will be inserted into the summary just like information from any other - summary specifier. - -Text between %( and %) will be highlighted with `gnus-mouse-face' -when the mouse point is placed inside the area. There can only be one -such area. - -The %U (status), %R (replied) and %z (zcore) specs have to be handled -with care. For reasons of efficiency, Gnus will compute what column -these characters will end up in, and \"hard-code\" that. This means that -it is illegal to have these specs after a variable-length spec. Well, -you might not be arrested, but your summary buffer will look strange, -which is bad enough. - -The smart choice is to have these specs as for to the left as -possible. - -This restriction may disappear in later versions of Gnus.") - -(defvar gnus-summary-dummy-line-format - "* %(: :%) %S\n" - "*The format specification for the dummy roots in the summary buffer. -It works along the same lines as a normal formatting string, -with some simple extensions. - -%S The subject") - -(defvar gnus-summary-mode-line-format "Gnus: %%b [%A] %Z" - "*The format specification for the summary mode line. -It works along the same lines as a normal formatting string, -with some simple extensions: - -%G Group name -%p Unprefixed group name -%A Current article number -%V Gnus version -%U Number of unread articles in the group -%e Number of unselected articles in the group -%Z A string with unread/unselected article counts -%g Shortish group name -%S Subject of the current article -%u User-defined spec -%s Current score file name -%d Number of dormant articles -%r Number of articles that have been marked as read in this session -%E Number of articles expunged by the score files") - -(defvar gnus-article-mode-line-format "Gnus: %%b %S" - "*The format specification for the article mode line. -See `gnus-summary-mode-line-format' for a closer description.") - -(defvar gnus-group-mode-line-format "Gnus: %%b {%M%:%S}" - "*The format specification for the group mode line. -It works along the same lines as a normal formatting string, -with some simple extensions: - -%S The native news server. -%M The native select method. -%: \":\" if %S isn't \"\".") - -(defvar gnus-valid-select-methods - '(("nntp" post address prompt-address) - ("nnspool" post address) - ("nnvirtual" post-mail virtual prompt-address) - ("nnmbox" mail respool address) - ("nnml" mail respool address) - ("nnmh" mail respool address) - ("nndir" post-mail prompt-address address) - ("nneething" none address prompt-address) - ("nndoc" none address prompt-address) - ("nnbabyl" mail address respool) - ("nnkiboze" post virtual) - ("nnsoup" post-mail address) - ("nndraft" post-mail) - ("nnfolder" mail respool address)) - "An alist of valid select methods. -The first element of each list lists should be a string with the name -of the select method. The other elements may be be the category of -this method (ie. `post', `mail', `none' or whatever) or other -properties that this method has (like being respoolable). -If you implement a new select method, all you should have to change is -this variable. I think.") - -(defvar gnus-updated-mode-lines '(group article summary tree) - "*List of buffers that should update their mode lines. -The list may contain the symbols `group', `article' and `summary'. If -the corresponding symbol is present, Gnus will keep that mode line -updated with information that may be pertinent. -If this variable is nil, screen refresh may be quicker.") - -;; Added by Keinonen Kari <kk85613@cs.tut.fi>. -(defvar gnus-mode-non-string-length nil - "*Max length of mode-line non-string contents. -If this is nil, Gnus will take space as is needed, leaving the rest -of the modeline intact.") - -;see gnus-cus.el -;(defvar gnus-mouse-face 'highlight -; "*Face used for mouse highlighting in Gnus. -;No mouse highlights will be done if `gnus-visual' is nil.") - -(defvar gnus-summary-mark-below 0 - "*Mark all articles with a score below this variable as read. -This variable is local to each summary buffer and usually set by the -score file.") - -(defvar gnus-article-sort-functions '(gnus-article-sort-by-number) - "*List of functions used for sorting articles in the summary buffer. -This variable is only used when not using a threaded display.") - -(defvar gnus-thread-sort-functions '(gnus-thread-sort-by-number) - "*List of functions used for sorting threads in the summary buffer. -By default, threads are sorted by article number. - -Each function takes two threads and return non-nil if the first thread -should be sorted before the other. If you use more than one function, -the primary sort function should be the last. You should probably -always include `gnus-thread-sort-by-number' in the list of sorting -functions -- preferably first. - -Ready-mady functions include `gnus-thread-sort-by-number', -`gnus-thread-sort-by-author', `gnus-thread-sort-by-subject', -`gnus-thread-sort-by-date', `gnus-thread-sort-by-score' and -`gnus-thread-sort-by-total-score' (see `gnus-thread-score-function').") - -(defvar gnus-thread-score-function '+ - "*Function used for calculating the total score of a thread. - -The function is called with the scores of the article and each -subthread and should then return the score of the thread. - -Some functions you can use are `+', `max', or `min'.") - -(defvar gnus-summary-expunge-below nil - "All articles that have a score less than this variable will be expunged.") - -(defvar gnus-thread-expunge-below nil - "All threads that have a total score less than this variable will be expunged. -See `gnus-thread-score-function' for en explanation of what a -\"thread score\" is.") - -(defvar gnus-auto-subscribed-groups - "^nnml\\|^nnfolder\\|^nnmbox\\|^nnmh\\|^nnbabyl" - "*All new groups that match this regexp will be subscribed automatically. -Note that this variable only deals with new groups. It has no effect -whatsoever on old groups. - -New groups that match this regexp will not be handled by -`gnus-subscribe-newsgroup-method'. Instead, they will -be subscribed using `gnus-subscribe-options-newsgroup-method'.") - -(defvar gnus-options-subscribe nil - "*All new groups matching this regexp will be subscribed unconditionally. -Note that this variable deals only with new newsgroups. This variable -does not affect old newsgroups. - -New groups that match this regexp will not be handled by -`gnus-subscribe-newsgroup-method'. Instead, they will -be subscribed using `gnus-subscribe-options-newsgroup-method'.") - -(defvar gnus-options-not-subscribe nil - "*All new groups matching this regexp will be ignored. -Note that this variable deals only with new newsgroups. This variable -does not affect old (already subscribed) newsgroups.") - -(defvar gnus-auto-expirable-newsgroups nil - "*Groups in which to automatically mark read articles as expirable. -If non-nil, this should be a regexp that should match all groups in -which to perform auto-expiry. This only makes sense for mail groups.") - -(defvar gnus-total-expirable-newsgroups nil - "*Groups in which to perform expiry of all read articles. -Use with extreme caution. All groups that match this regexp will be -expiring - which means that all read articles will be deleted after -(say) one week. (This only goes for mail groups and the like, of -course.)") - -(defvar gnus-group-uncollapsed-levels 1 - "Number of group name elements to leave alone when making a short group name.") - -(defvar gnus-hidden-properties '(invisible t intangible t) - "Property list to use for hiding text.") - -(defvar gnus-modtime-botch nil - "*Non-nil means .newsrc should be deleted prior to save. -Its use is due to the bogus appearance that .newsrc was modified on -disc.") - -;; Hooks. - -(defvar gnus-group-mode-hook nil - "*A hook for Gnus group mode.") - -(defvar gnus-summary-mode-hook nil - "*A hook for Gnus summary mode. -This hook is run before any variables are set in the summary buffer.") - -(defvar gnus-article-mode-hook nil - "*A hook for Gnus article mode.") - -(defvar gnus-summary-prepare-exit-hook nil - "*A hook called when preparing to exit from the summary buffer. -It calls `gnus-summary-expire-articles' by default.") -(add-hook 'gnus-summary-prepare-exit-hook 'gnus-summary-expire-articles) - -(defvar gnus-summary-exit-hook nil - "*A hook called on exit from the summary buffer.") - -(defvar gnus-group-catchup-group-hook nil - "*A hook run when catching up a group from the group buffer.") - -(defvar gnus-group-update-group-hook nil - "*A hook called when updating group lines.") - -(defvar gnus-open-server-hook nil - "*A hook called just before opening connection to the news server.") - -(defvar gnus-load-hook nil - "*A hook run while Gnus is loaded.") - -(defvar gnus-startup-hook nil - "*A hook called at startup. -This hook is called after Gnus is connected to the NNTP server.") - -(defvar gnus-get-new-news-hook nil - "*A hook run just before Gnus checks for new news.") - -(defvar gnus-after-getting-new-news-hook nil - "*A hook run after Gnus checks for new news.") - -(defvar gnus-group-prepare-function 'gnus-group-prepare-flat - "*A function that is called to generate the group buffer. -The function is called with three arguments: The first is a number; -all group with a level less or equal to that number should be listed, -if the second is non-nil, empty groups should also be displayed. If -the third is non-nil, it is a number. No groups with a level lower -than this number should be displayed. - -The only current function implemented is `gnus-group-prepare-flat'.") - -(defvar gnus-group-prepare-hook nil - "*A hook called after the group buffer has been generated. -If you want to modify the group buffer, you can use this hook.") - -(defvar gnus-summary-prepare-hook nil - "*A hook called after the summary buffer has been generated. -If you want to modify the summary buffer, you can use this hook.") - -(defvar gnus-summary-generate-hook nil - "*A hook run just before generating the summary buffer. -This hook is commonly used to customize threading variables and the -like.") - -(defvar gnus-article-prepare-hook nil - "*A hook called after an article has been prepared in the article buffer. -If you want to run a special decoding program like nkf, use this hook.") - -;(defvar gnus-article-display-hook nil -; "*A hook called after the article is displayed in the article buffer. -;The hook is designed to change the contents of the article -;buffer. Typical functions that this hook may contain are -;`gnus-article-hide-headers' (hide selected headers), -;`gnus-article-maybe-highlight' (perform fancy article highlighting), -;`gnus-article-hide-signature' (hide signature) and -;`gnus-article-treat-overstrike' (turn \"^H_\" into bold characters).") -;(add-hook 'gnus-article-display-hook 'gnus-article-hide-headers-if-wanted) -;(add-hook 'gnus-article-display-hook 'gnus-article-treat-overstrike) -;(add-hook 'gnus-article-display-hook 'gnus-article-maybe-highlight) - -(defvar gnus-article-x-face-too-ugly nil - "Regexp matching posters whose face shouldn't be shown automatically.") - -(defvar gnus-select-group-hook nil - "*A hook called when a newsgroup is selected. - -If you'd like to simplify subjects like the -`gnus-summary-next-same-subject' command does, you can use the -following hook: - - (setq gnus-select-group-hook - (list - (lambda () - (mapcar (lambda (header) - (mail-header-set-subject - header - (gnus-simplify-subject - (mail-header-subject header) 're-only))) - gnus-newsgroup-headers))))") - -(defvar gnus-select-article-hook nil - "*A hook called when an article is selected.") - -(defvar gnus-apply-kill-hook '(gnus-apply-kill-file) - "*A hook called to apply kill files to a group. -This hook is intended to apply a kill file to the selected newsgroup. -The function `gnus-apply-kill-file' is called by default. - -Since a general kill file is too heavy to use only for a few -newsgroups, I recommend you to use a lighter hook function. For -example, if you'd like to apply a kill file to articles which contains -a string `rmgroup' in subject in newsgroup `control', you can use the -following hook: - - (setq gnus-apply-kill-hook - (list - (lambda () - (cond ((string-match \"control\" gnus-newsgroup-name) - (gnus-kill \"Subject\" \"rmgroup\") - (gnus-expunge \"X\"))))))") - -(defvar gnus-visual-mark-article-hook - (list 'gnus-highlight-selected-summary) - "*Hook run after selecting an article in the summary buffer. -It is meant to be used for highlighting the article in some way. It -is not run if `gnus-visual' is nil.") - -(defvar gnus-parse-headers-hook nil - "*A hook called before parsing the headers.") -(add-hook 'gnus-parse-headers-hook 'gnus-decode-rfc1522) - -(defvar gnus-exit-group-hook nil - "*A hook called when exiting (not quitting) summary mode.") - -(defvar gnus-suspend-gnus-hook nil - "*A hook called when suspending (not exiting) Gnus.") - -(defvar gnus-exit-gnus-hook nil - "*A hook called when exiting Gnus.") - -(defvar gnus-after-exiting-gnus-hook nil - "*A hook called after exiting Gnus.") - -(defvar gnus-save-newsrc-hook nil - "*A hook called before saving any of the newsrc files.") - -(defvar gnus-save-quick-newsrc-hook nil - "*A hook called just before saving the quick newsrc file. -Can be used to turn version control on or off.") - -(defvar gnus-save-standard-newsrc-hook nil - "*A hook called just before saving the standard newsrc file. -Can be used to turn version control on or off.") - -(defvar gnus-summary-update-hook - (list 'gnus-summary-highlight-line) - "*A hook called when a summary line is changed. -The hook will not be called if `gnus-visual' is nil. - -The default function `gnus-summary-highlight-line' will -highlight the line according to the `gnus-summary-highlight' -variable.") - -(defvar gnus-group-update-hook '(gnus-group-highlight-line) - "*A hook called when a group line is changed. -The hook will not be called if `gnus-visual' is nil. - -The default function `gnus-group-highlight-line' will -highlight the line according to the `gnus-group-highlight' -variable.") - -(defvar gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read) - "*A hook called when an article is selected for the first time. -The hook is intended to mark an article as read (or unread) -automatically when it is selected.") - -(defvar gnus-group-change-level-function nil - "Function run when a group level is changed. -It is called with three parameters -- GROUP, LEVEL and OLDLEVEL.") - -;; Remove any hilit infestation. -(add-hook 'gnus-startup-hook - (lambda () - (remove-hook 'gnus-summary-prepare-hook - 'hilit-rehighlight-buffer-quietly) - (remove-hook 'gnus-summary-prepare-hook 'hilit-install-line-hooks) - (setq gnus-mark-article-hook - '(gnus-summary-mark-read-and-unread-as-read)) - (remove-hook 'gnus-article-prepare-hook - 'hilit-rehighlight-buffer-quietly))) - - -;; Internal variables - -(defvar gnus-tree-buffer "*Tree*" - "Buffer where Gnus thread trees are displayed.") - -;; Dummy variable. -(defvar gnus-use-generic-from nil) - -(defvar gnus-thread-indent-array nil) -(defvar gnus-thread-indent-array-level gnus-thread-indent-level) - -(defvar gnus-newsrc-file-version nil) - -(defvar gnus-method-history nil) -;; Variable holding the user answers to all method prompts. - -(defvar gnus-group-history nil) -;; Variable holding the user answers to all group prompts. - -(defvar gnus-server-alist nil - "List of available servers.") - -(defvar gnus-group-indentation-function nil) - -(defvar gnus-topic-indentation "") ;; Obsolete variable. - -(defvar gnus-goto-missing-group-function nil) - -(defvar gnus-override-subscribe-method nil) - -(defvar gnus-group-goto-next-group-function nil - "Function to override finding the next group after listing groups.") - -(defconst gnus-article-mark-lists - '((marked . tick) (replied . reply) - (expirable . expire) (killed . killed) - (bookmarks . bookmark) (dormant . dormant) - (scored . score) (saved . save) - (cached . cache) - )) - -;; Avoid highlighting in kill files. -(defvar gnus-summary-inhibit-highlight nil) -(defvar gnus-newsgroup-selected-overlay nil) - -(defvar gnus-inhibit-hiding nil) -(defvar gnus-group-indentation "") -(defvar gnus-inhibit-limiting nil) -(defvar gnus-created-frames nil) - -(defvar gnus-article-mode-map nil) -(defvar gnus-dribble-buffer nil) -(defvar gnus-headers-retrieved-by nil) -(defvar gnus-article-reply nil) -(defvar gnus-override-method nil) -(defvar gnus-article-check-size nil) - -(defvar gnus-current-score-file nil) -(defvar gnus-newsgroup-adaptive-score-file nil) -(defvar gnus-scores-exclude-files nil) - -(defvar gnus-opened-servers nil) - -(defvar gnus-current-move-group nil) -(defvar gnus-current-copy-group nil) -(defvar gnus-current-crosspost-group nil) - -(defvar gnus-newsgroup-dependencies nil) -(defvar gnus-newsgroup-async nil) -(defconst gnus-group-edit-buffer "*Gnus edit newsgroup*") - -(defvar gnus-newsgroup-adaptive nil) - -(defvar gnus-summary-display-table nil) -(defvar gnus-summary-display-article-function nil) - -(defvar gnus-summary-highlight-line-function nil - "Function called after highlighting a summary line.") - -(defvar gnus-group-line-format-alist - `((?M gnus-tmp-marked-mark ?c) - (?S gnus-tmp-subscribed ?c) - (?L gnus-tmp-level ?d) - (?N (cond ((eq number t) "*" ) - ((numberp number) - (int-to-string - (+ number - (gnus-range-length (cdr (assq 'dormant gnus-tmp-marked))) - (gnus-range-length (cdr (assq 'tick gnus-tmp-marked)))))) - (t number)) ?s) - (?R gnus-tmp-number-of-read ?s) - (?t gnus-tmp-number-total ?d) - (?y gnus-tmp-number-of-unread ?s) - (?I (gnus-range-length (cdr (assq 'dormant gnus-tmp-marked))) ?d) - (?T (gnus-range-length (cdr (assq 'tick gnus-tmp-marked))) ?d) - (?i (+ (gnus-range-length (cdr (assq 'dormant gnus-tmp-marked))) - (gnus-range-length (cdr (assq 'tick gnus-tmp-marked)))) ?d) - (?g gnus-tmp-group ?s) - (?G gnus-tmp-qualified-group ?s) - (?c (gnus-short-group-name gnus-tmp-group) ?s) - (?D gnus-tmp-newsgroup-description ?s) - (?o gnus-tmp-moderated ?c) - (?O gnus-tmp-moderated-string ?s) - (?p gnus-tmp-process-marked ?c) - (?s gnus-tmp-news-server ?s) - (?n gnus-tmp-news-method ?s) - (?P gnus-group-indentation ?s) - (?l gnus-tmp-grouplens ?s) - (?z gnus-tmp-news-method-string ?s) - (?u gnus-tmp-user-defined ?s))) - -(defvar gnus-summary-line-format-alist - `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d) - (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s) - (?s gnus-tmp-subject-or-nil ?s) - (?n gnus-tmp-name ?s) - (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from))) - ?s) - (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from)) - gnus-tmp-from) ?s) - (?F gnus-tmp-from ?s) - (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s) - (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s) - (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s) - (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s) - (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s) - (?c (or (mail-header-chars gnus-tmp-header) 0) ?d) - (?L gnus-tmp-lines ?d) - (?I gnus-tmp-indentation ?s) - (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s) - (?R gnus-tmp-replied ?c) - (?\[ gnus-tmp-opening-bracket ?c) - (?\] gnus-tmp-closing-bracket ?c) - (?\> (make-string gnus-tmp-level ? ) ?s) - (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s) - (?i gnus-tmp-score ?d) - (?z gnus-tmp-score-char ?c) - (?l (bbb-grouplens-score gnus-tmp-header) ?s) - (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d) - (?U gnus-tmp-unread ?c) - (?t (gnus-summary-number-of-articles-in-thread - (and (boundp 'thread) (car thread)) gnus-tmp-level) - ?d) - (?e (gnus-summary-number-of-articles-in-thread - (and (boundp 'thread) (car thread)) gnus-tmp-level t) - ?c) - (?u gnus-tmp-user-defined ?s)) - "An alist of format specifications that can appear in summary lines, -and what variables they correspond with, along with the type of the -variable (string, integer, character, etc).") - -(defvar gnus-summary-dummy-line-format-alist - `((?S gnus-tmp-subject ?s) - (?N gnus-tmp-number ?d) - (?u gnus-tmp-user-defined ?s))) - -(defvar gnus-summary-mode-line-format-alist - `((?G gnus-tmp-group-name ?s) - (?g (gnus-short-group-name gnus-tmp-group-name) ?s) - (?p (gnus-group-real-name gnus-tmp-group-name) ?s) - (?A gnus-tmp-article-number ?d) - (?Z gnus-tmp-unread-and-unselected ?s) - (?V gnus-version ?s) - (?U gnus-tmp-unread-and-unticked ?d) - (?S gnus-tmp-subject ?s) - (?e gnus-tmp-unselected ?d) - (?u gnus-tmp-user-defined ?s) - (?d (length gnus-newsgroup-dormant) ?d) - (?t (length gnus-newsgroup-marked) ?d) - (?r (length gnus-newsgroup-reads) ?d) - (?E gnus-newsgroup-expunged-tally ?d) - (?s (gnus-current-score-file-nondirectory) ?s))) - -(defvar gnus-article-mode-line-format-alist - gnus-summary-mode-line-format-alist) - -(defvar gnus-group-mode-line-format-alist - `((?S gnus-tmp-news-server ?s) - (?M gnus-tmp-news-method ?s) - (?u gnus-tmp-user-defined ?s) - (?: gnus-tmp-colon ?s))) - -(defvar gnus-have-read-active-file nil) - -(defconst gnus-maintainer - "gnus-bug@ifi.uio.no (The Gnus Bugfixing Girls + Boys)" - "The mail address of the Gnus maintainers.") - -(defconst gnus-version-number "5.3" - "Version number for this version of Gnus.") - -(defconst gnus-version (format "Gnus v%s" gnus-version-number) - "Version string for this version of Gnus.") - -(defvar gnus-info-nodes - '((gnus-group-mode "(gnus)The Group Buffer") - (gnus-summary-mode "(gnus)The Summary Buffer") - (gnus-article-mode "(gnus)The Article Buffer") - (gnus-server-mode "(gnus)The Server Buffer") - (gnus-browse-mode "(gnus)Browse Foreign Server") - (gnus-tree-mode "(gnus)Tree Display") - ) - "Alist of major modes and related Info nodes.") - -(defvar gnus-group-buffer "*Group*") -(defvar gnus-summary-buffer "*Summary*") -(defvar gnus-article-buffer "*Article*") -(defvar gnus-server-buffer "*Server*") - -(defvar gnus-work-buffer " *gnus work*") - -(defvar gnus-original-article-buffer " *Original Article*") -(defvar gnus-original-article nil) - -(defvar gnus-buffer-list nil - "Gnus buffers that should be killed on exit.") - -(defvar gnus-slave nil - "Whether this Gnus is a slave or not.") - -(defvar gnus-variable-list - '(gnus-newsrc-options gnus-newsrc-options-n - gnus-newsrc-last-checked-date - gnus-newsrc-alist gnus-server-alist - gnus-killed-list gnus-zombie-list - gnus-topic-topology gnus-topic-alist - gnus-format-specs) - "Gnus variables saved in the quick startup file.") - -(defvar gnus-newsrc-options nil - "Options line in the .newsrc file.") - -(defvar gnus-newsrc-options-n nil - "List of regexps representing groups to be subscribed/ignored unconditionally.") - -(defvar gnus-newsrc-last-checked-date nil - "Date Gnus last asked server for new newsgroups.") - -(defvar gnus-topic-topology nil - "The complete topic hierarchy.") - -(defvar gnus-topic-alist nil - "The complete topic-group alist.") - -(defvar gnus-newsrc-alist nil - "Assoc list of read articles. -gnus-newsrc-hashtb should be kept so that both hold the same information.") - -(defvar gnus-newsrc-hashtb nil - "Hashtable of gnus-newsrc-alist.") - -(defvar gnus-killed-list nil - "List of killed newsgroups.") - -(defvar gnus-killed-hashtb nil - "Hash table equivalent of gnus-killed-list.") - -(defvar gnus-zombie-list nil - "List of almost dead newsgroups.") - -(defvar gnus-description-hashtb nil - "Descriptions of newsgroups.") - -(defvar gnus-list-of-killed-groups nil - "List of newsgroups that have recently been killed by the user.") - -(defvar gnus-active-hashtb nil - "Hashtable of active articles.") - -(defvar gnus-moderated-list nil - "List of moderated newsgroups.") - -(defvar gnus-group-marked nil) - -(defvar gnus-current-startup-file nil - "Startup file for the current host.") - -(defvar gnus-last-search-regexp nil - "Default regexp for article search command.") - -(defvar gnus-last-shell-command nil - "Default shell command on article.") - -(defvar gnus-current-select-method nil - "The current method for selecting a newsgroup.") - -(defvar gnus-group-list-mode nil) - -(defvar gnus-article-internal-prepare-hook nil) - -(defvar gnus-newsgroup-name nil) -(defvar gnus-newsgroup-begin nil) -(defvar gnus-newsgroup-end nil) -(defvar gnus-newsgroup-last-rmail nil) -(defvar gnus-newsgroup-last-mail nil) -(defvar gnus-newsgroup-last-folder nil) -(defvar gnus-newsgroup-last-file nil) -(defvar gnus-newsgroup-auto-expire nil) -(defvar gnus-newsgroup-active nil) - -(defvar gnus-newsgroup-data nil) -(defvar gnus-newsgroup-data-reverse nil) -(defvar gnus-newsgroup-limit nil) -(defvar gnus-newsgroup-limits nil) - -(defvar gnus-newsgroup-unreads nil - "List of unread articles in the current newsgroup.") - -(defvar gnus-newsgroup-unselected nil - "List of unselected unread articles in the current newsgroup.") - -(defvar gnus-newsgroup-reads nil - "Alist of read articles and article marks in the current newsgroup.") - -(defvar gnus-newsgroup-expunged-tally nil) - -(defvar gnus-newsgroup-marked nil - "List of ticked articles in the current newsgroup (a subset of unread art).") - -(defvar gnus-newsgroup-killed nil - "List of ranges of articles that have been through the scoring process.") - -(defvar gnus-newsgroup-cached nil - "List of articles that come from the article cache.") - -(defvar gnus-newsgroup-saved nil - "List of articles that have been saved.") - -(defvar gnus-newsgroup-kill-headers nil) - -(defvar gnus-newsgroup-replied nil - "List of articles that have been replied to in the current newsgroup.") - -(defvar gnus-newsgroup-expirable nil - "List of articles in the current newsgroup that can be expired.") - -(defvar gnus-newsgroup-processable nil - "List of articles in the current newsgroup that can be processed.") - -(defvar gnus-newsgroup-bookmarks nil - "List of articles in the current newsgroup that have bookmarks.") - -(defvar gnus-newsgroup-dormant nil - "List of dormant articles in the current newsgroup.") - -(defvar gnus-newsgroup-scored nil - "List of scored articles in the current newsgroup.") - -(defvar gnus-newsgroup-headers nil - "List of article headers in the current newsgroup.") - -(defvar gnus-newsgroup-threads nil) - -(defvar gnus-newsgroup-prepared nil - "Whether the current group has been prepared properly.") - -(defvar gnus-newsgroup-ancient nil - "List of `gnus-fetch-old-headers' articles in the current newsgroup.") - -(defvar gnus-newsgroup-sparse nil) - -(defvar gnus-current-article nil) -(defvar gnus-article-current nil) -(defvar gnus-current-headers nil) -(defvar gnus-have-all-headers nil) -(defvar gnus-last-article nil) -(defvar gnus-newsgroup-history nil) -(defvar gnus-current-kill-article nil) - -;; Save window configuration. -(defvar gnus-prev-winconf nil) - -(defvar gnus-summary-mark-positions nil) -(defvar gnus-group-mark-positions nil) - -(defvar gnus-reffed-article-number nil) - -;;; Let the byte-compiler know that we know about this variable. -(defvar rmail-default-rmail-file) - -(defvar gnus-cache-removable-articles nil) - -(defvar gnus-dead-summary nil) - -(defconst gnus-summary-local-variables - '(gnus-newsgroup-name - gnus-newsgroup-begin gnus-newsgroup-end - gnus-newsgroup-last-rmail gnus-newsgroup-last-mail - gnus-newsgroup-last-folder gnus-newsgroup-last-file - gnus-newsgroup-auto-expire gnus-newsgroup-unreads - gnus-newsgroup-unselected gnus-newsgroup-marked - gnus-newsgroup-reads gnus-newsgroup-saved - gnus-newsgroup-replied gnus-newsgroup-expirable - gnus-newsgroup-processable gnus-newsgroup-killed - gnus-newsgroup-bookmarks gnus-newsgroup-dormant - gnus-newsgroup-headers gnus-newsgroup-threads - gnus-newsgroup-prepared gnus-summary-highlight-line-function - gnus-current-article gnus-current-headers gnus-have-all-headers - gnus-last-article gnus-article-internal-prepare-hook - gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay - gnus-newsgroup-scored gnus-newsgroup-kill-headers - gnus-newsgroup-async gnus-thread-expunge-below - gnus-score-alist gnus-current-score-file gnus-summary-expunge-below - (gnus-summary-mark-below . global) - gnus-newsgroup-active gnus-scores-exclude-files - gnus-newsgroup-history gnus-newsgroup-ancient - gnus-newsgroup-sparse - (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring) - gnus-newsgroup-adaptive-score-file - (gnus-newsgroup-expunged-tally . 0) - gnus-cache-removable-articles gnus-newsgroup-cached - gnus-newsgroup-data gnus-newsgroup-data-reverse - gnus-newsgroup-limit gnus-newsgroup-limits) - "Variables that are buffer-local to the summary buffers.") - -(defconst gnus-bug-message - "Sending a bug report to the Gnus Towers. -======================================== - -The buffer below is a mail buffer. When you press `C-c C-c', it will -be sent to the Gnus Bug Exterminators. - -At the bottom of the buffer you'll see lots of variable settings. -Please do not delete those. They will tell the Bug People what your -environment is, so that it will be easier to locate the bugs. - -If you have found a bug that makes Emacs go \"beep\", set -debug-on-error to t (`M-x set-variable RET debug-on-error RET t RET') -and include the backtrace in your bug report. - -Please describe the bug in annoying, painstaking detail. - -Thank you for your help in stamping out bugs. -") - -;;; End of variables. - -;; Define some autoload functions Gnus might use. -(eval-and-compile - - ;; This little mapcar goes through the list below and marks the - ;; symbols in question as autoloaded functions. - (mapcar - (lambda (package) - (let ((interactive (nth 1 (memq ':interactive package)))) - (mapcar - (lambda (function) - (let (keymap) - (when (consp function) - (setq keymap (car (memq 'keymap function))) - (setq function (car function))) - (autoload function (car package) nil interactive keymap))) - (if (eq (nth 1 package) ':interactive) - (cdddr package) - (cdr package))))) - '(("metamail" metamail-buffer) - ("info" Info-goto-node) - ("hexl" hexl-hex-string-to-integer) - ("pp" pp pp-to-string pp-eval-expression) - ("mail-extr" mail-extract-address-components) - ("nnmail" nnmail-split-fancy nnmail-article-group) - ("nnvirtual" nnvirtual-catchup-group) - ("timezone" timezone-make-date-arpa-standard timezone-fix-time - timezone-make-sortable-date timezone-make-time-string) - ("rmailout" rmail-output) - ("rmail" rmail-insert-rmail-file-header rmail-count-new-messages - rmail-show-message) - ("gnus-soup" :interactive t - gnus-group-brew-soup gnus-brew-soup gnus-soup-add-article - gnus-soup-send-replies gnus-soup-save-areas gnus-soup-pack-packet) - ("nnsoup" nnsoup-pack-replies) - ("score-mode" :interactive t gnus-score-mode) - ("gnus-mh" gnus-mh-mail-setup gnus-summary-save-article-folder - gnus-Folder-save-name gnus-folder-save-name) - ("gnus-mh" :interactive t gnus-summary-save-in-folder) - ("gnus-vis" gnus-group-make-menu-bar gnus-summary-make-menu-bar - gnus-server-make-menu-bar gnus-article-make-menu-bar - gnus-browse-make-menu-bar gnus-highlight-selected-summary - gnus-summary-highlight-line gnus-carpal-setup-buffer - gnus-group-highlight-line - gnus-article-add-button gnus-insert-next-page-button - gnus-insert-prev-page-button gnus-visual-turn-off-edit-menu) - ("gnus-vis" :interactive t - gnus-article-push-button gnus-article-press-button - gnus-article-highlight gnus-article-highlight-some - gnus-article-highlight-headers gnus-article-highlight-signature - gnus-article-add-buttons gnus-article-add-buttons-to-head - gnus-article-next-button gnus-article-prev-button) - ("gnus-demon" gnus-demon-add-nocem gnus-demon-add-scanmail - gnus-demon-add-disconnection gnus-demon-add-handler - gnus-demon-remove-handler) - ("gnus-demon" :interactive t - gnus-demon-init gnus-demon-cancel) - ("gnus-salt" gnus-highlight-selected-tree gnus-possibly-generate-tree - gnus-tree-open gnus-tree-close) - ("gnus-nocem" gnus-nocem-scan-groups gnus-nocem-close - gnus-nocem-unwanted-article-p) - ("gnus-srvr" gnus-enter-server-buffer gnus-server-set-info) - ("gnus-srvr" gnus-browse-foreign-server) - ("gnus-cite" :interactive t - gnus-article-highlight-citation gnus-article-hide-citation-maybe - gnus-article-hide-citation gnus-article-fill-cited-article - gnus-article-hide-citation-in-followups) - ("gnus-kill" gnus-kill gnus-apply-kill-file-internal - gnus-kill-file-edit-file gnus-kill-file-raise-followups-to-author - gnus-execute gnus-expunge) - ("gnus-cache" gnus-cache-possibly-enter-article gnus-cache-save-buffers - gnus-cache-possibly-remove-articles gnus-cache-request-article - gnus-cache-retrieve-headers gnus-cache-possibly-alter-active - gnus-cache-enter-remove-article gnus-cached-article-p - gnus-cache-open gnus-cache-close gnus-cache-update-article) - ("gnus-cache" :interactive t gnus-jog-cache gnus-cache-enter-article - gnus-cache-remove-article) - ("gnus-score" :interactive t - gnus-summary-increase-score gnus-summary-lower-score - gnus-score-flush-cache gnus-score-close - gnus-score-raise-same-subject-and-select - gnus-score-raise-same-subject gnus-score-default - gnus-score-raise-thread gnus-score-lower-same-subject-and-select - gnus-score-lower-same-subject gnus-score-lower-thread - gnus-possibly-score-headers gnus-summary-raise-score - gnus-summary-set-score gnus-summary-current-score) - ("gnus-score" - (gnus-summary-score-map keymap) gnus-score-save gnus-score-headers - gnus-current-score-file-nondirectory gnus-score-adaptive - gnus-score-find-trace gnus-score-file-name) - ("gnus-edit" :interactive t gnus-score-customize) - ("gnus-topic" :interactive t gnus-topic-mode) - ("gnus-topic" gnus-topic-remove-group) - ("gnus-salt" :interactive t gnus-pick-mode gnus-binary-mode) - ("gnus-uu" (gnus-uu-extract-map keymap) (gnus-uu-mark-map keymap)) - ("gnus-uu" :interactive t - gnus-uu-digest-mail-forward gnus-uu-digest-post-forward - gnus-uu-mark-series gnus-uu-mark-region gnus-uu-mark-buffer - gnus-uu-mark-by-regexp gnus-uu-mark-all - gnus-uu-mark-sparse gnus-uu-mark-thread gnus-uu-decode-uu - gnus-uu-decode-uu-and-save gnus-uu-decode-unshar - gnus-uu-decode-unshar-and-save gnus-uu-decode-save - gnus-uu-decode-binhex gnus-uu-decode-uu-view - gnus-uu-decode-uu-and-save-view gnus-uu-decode-unshar-view - gnus-uu-decode-unshar-and-save-view gnus-uu-decode-save-view - gnus-uu-decode-binhex-view) - ("gnus-msg" (gnus-summary-send-map keymap) - gnus-mail-yank-original gnus-mail-send-and-exit - gnus-article-mail gnus-new-mail gnus-mail-reply) - ("gnus-msg" :interactive t - gnus-group-post-news gnus-group-mail gnus-summary-post-news - gnus-summary-followup gnus-summary-followup-with-original - gnus-summary-cancel-article gnus-summary-supersede-article - gnus-post-news gnus-inews-news - gnus-summary-reply gnus-summary-reply-with-original - gnus-summary-mail-forward gnus-summary-mail-other-window - gnus-bug) - ("gnus-picon" :interactive t gnus-article-display-picons - gnus-group-display-picons gnus-picons-article-display-x-face - gnus-picons-display-x-face) - ("gnus-gl" bbb-login bbb-logout bbb-grouplens-group-p - gnus-grouplens-mode) - ("smiley" :interactive t gnus-smiley-display) - ("gnus-vm" gnus-vm-mail-setup) - ("gnus-vm" :interactive t gnus-summary-save-in-vm - gnus-summary-save-article-vm)))) - - - -;; Fix by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>. -;; If you want the cursor to go somewhere else, set these two -;; functions in some startup hook to whatever you want. -(defalias 'gnus-summary-position-point 'gnus-goto-colon) -(defalias 'gnus-group-position-point 'gnus-goto-colon) - -;;; Various macros and substs. - -(defun gnus-header-from (header) - (mail-header-from header)) - -(defmacro gnus-eval-in-buffer-window (buffer &rest forms) - "Pop to BUFFER, evaluate FORMS, and then return to the original window." - (let ((tempvar (make-symbol "GnusStartBufferWindow")) - (w (make-symbol "w")) - (buf (make-symbol "buf"))) - `(let* ((,tempvar (selected-window)) - (,buf ,buffer) - (,w (get-buffer-window ,buf 'visible))) - (unwind-protect - (progn - (if ,w - (select-window ,w) - (pop-to-buffer ,buf)) - ,@forms) - (select-window ,tempvar))))) - -(put 'gnus-eval-in-buffer-window 'lisp-indent-function 1) -(put 'gnus-eval-in-buffer-window 'lisp-indent-hook 1) -(put 'gnus-eval-in-buffer-window 'edebug-form-spec '(form body)) - -(defmacro gnus-gethash (string hashtable) - "Get hash value of STRING in HASHTABLE." - `(symbol-value (intern-soft ,string ,hashtable))) - -(defmacro gnus-sethash (string value hashtable) - "Set hash value. Arguments are STRING, VALUE, and HASHTABLE." - `(set (intern ,string ,hashtable) ,value)) - -(defmacro gnus-intern-safe (string hashtable) - "Set hash value. Arguments are STRING, VALUE, and HASHTABLE." - `(let ((symbol (intern ,string ,hashtable))) - (or (boundp symbol) - (set symbol nil)) - symbol)) - -(defmacro gnus-group-unread (group) - "Get the currently computed number of unread articles in GROUP." - `(car (gnus-gethash ,group gnus-newsrc-hashtb))) - -(defmacro gnus-group-entry (group) - "Get the newsrc entry for GROUP." - `(gnus-gethash ,group gnus-newsrc-hashtb)) - -(defmacro gnus-active (group) - "Get active info on GROUP." - `(gnus-gethash ,group gnus-active-hashtb)) - -(defmacro gnus-set-active (group active) - "Set GROUP's active info." - `(gnus-sethash ,group ,active gnus-active-hashtb)) - -;; modified by MORIOKA Tomohiko <morioka@jaist.ac.jp> -;; function `substring' might cut on a middle of multi-octet -;; character. -(defun gnus-truncate-string (str width) - (substring str 0 width)) - -;; Added by Geoffrey T. Dairiki <dairiki@u.washington.edu>. A safe way -;; to limit the length of a string. This function is necessary since -;; `(substr "abc" 0 30)' pukes with "Args out of range". -(defsubst gnus-limit-string (str width) - (if (> (length str) width) - (substring str 0 width) - str)) - -(defsubst gnus-simplify-subject-re (subject) - "Remove \"Re:\" from subject lines." - (if (string-match "^[Rr][Ee]: *" subject) - (substring subject (match-end 0)) - subject)) - -(defsubst gnus-functionp (form) - "Return non-nil if FORM is funcallable." - (or (and (symbolp form) (fboundp form)) - (and (listp form) (eq (car form) 'lambda)))) - -(defsubst gnus-goto-char (point) - (and point (goto-char point))) - -(defmacro gnus-buffer-exists-p (buffer) - `(let ((buffer ,buffer)) - (and buffer - (funcall (if (stringp buffer) 'get-buffer 'buffer-name) - buffer)))) - -(defmacro gnus-kill-buffer (buffer) - `(let ((buf ,buffer)) - (if (gnus-buffer-exists-p buf) - (kill-buffer buf)))) - -(defsubst gnus-point-at-bol () - "Return point at the beginning of the line." - (let ((p (point))) - (beginning-of-line) - (prog1 - (point) - (goto-char p)))) - -(defsubst gnus-point-at-eol () - "Return point at the end of the line." - (let ((p (point))) - (end-of-line) - (prog1 - (point) - (goto-char p)))) - -(defun gnus-alive-p () - "Say whether Gnus is running or not." - (and gnus-group-buffer - (get-buffer gnus-group-buffer))) - -(defun gnus-delete-first (elt list) - "Delete by side effect the first occurrence of ELT as a member of LIST." - (if (equal (car list) elt) - (cdr list) - (let ((total list)) - (while (and (cdr list) - (not (equal (cadr list) elt))) - (setq list (cdr list))) - (when (cdr list) - (setcdr list (cddr list))) - total))) - -;; Delete the current line (and the next N lines.); -(defmacro gnus-delete-line (&optional n) - `(delete-region (progn (beginning-of-line) (point)) - (progn (forward-line ,(or n 1)) (point)))) - -;; Suggested by Brian Edmonds <edmonds@cs.ubc.ca>. -(defvar gnus-init-inhibit nil) -(defun gnus-read-init-file (&optional inhibit-next) - (if gnus-init-inhibit - (setq gnus-init-inhibit nil) - (setq gnus-init-inhibit inhibit-next) - (and gnus-init-file - ;; Don't load .gnus if -q option was used. - init-file-user - (or (and (file-exists-p gnus-init-file) - ;; Don't try to load a directory. - (not (file-directory-p gnus-init-file))) - (file-exists-p (concat gnus-init-file ".el")) - (file-exists-p (concat gnus-init-file ".elc"))) - (condition-case var - (load gnus-init-file nil t) - (error - (error "Error in %s: %s" gnus-init-file var)))))) - -;; Info access macros. - -(defmacro gnus-info-group (info) - `(nth 0 ,info)) -(defmacro gnus-info-rank (info) - `(nth 1 ,info)) -(defmacro gnus-info-read (info) - `(nth 2 ,info)) -(defmacro gnus-info-marks (info) - `(nth 3 ,info)) -(defmacro gnus-info-method (info) - `(nth 4 ,info)) -(defmacro gnus-info-params (info) - `(nth 5 ,info)) - -(defmacro gnus-info-level (info) - `(let ((rank (gnus-info-rank ,info))) - (if (consp rank) - (car rank) - rank))) -(defmacro gnus-info-score (info) - `(let ((rank (gnus-info-rank ,info))) - (or (and (consp rank) (cdr rank)) 0))) - -(defmacro gnus-info-set-group (info group) - `(setcar ,info ,group)) -(defmacro gnus-info-set-rank (info rank) - `(setcar (nthcdr 1 ,info) ,rank)) -(defmacro gnus-info-set-read (info read) - `(setcar (nthcdr 2 ,info) ,read)) -(defmacro gnus-info-set-marks (info marks) - `(setcar (nthcdr 3 ,info) ,marks)) -(defmacro gnus-info-set-method (info method) - `(setcar (nthcdr 4 ,info) ,method)) -(defmacro gnus-info-set-params (info params) - `(setcar (nthcdr 5 ,info) ,params)) - -(defmacro gnus-info-set-level (info level) - `(let ((rank (cdr ,info))) - (if (consp (car rank)) - (setcar (car rank) ,level) - (setcar rank ,level)))) -(defmacro gnus-info-set-score (info score) - `(let ((rank (cdr ,info))) - (if (consp (car rank)) - (setcdr (car rank) ,score) - (setcar rank (cons (car rank) ,score))))) - -(defmacro gnus-get-info (group) - `(nth 2 (gnus-gethash ,group gnus-newsrc-hashtb))) - -(defun gnus-byte-code (func) - "Return a form that can be `eval'ed based on FUNC." - (let ((fval (symbol-function func))) - (if (byte-code-function-p fval) - (let ((flist (append fval nil))) - (setcar flist 'byte-code) - flist) - (cons 'progn (cddr fval))))) - -;; Find out whether the gnus-visual TYPE is wanted. -(defun gnus-visual-p (&optional type class) - (and gnus-visual ; Has to be non-nil, at least. - (if (not type) ; We don't care about type. - gnus-visual - (if (listp gnus-visual) ; It's a list, so we check it. - (or (memq type gnus-visual) - (memq class gnus-visual)) - t)))) - -;;; Load the compatability functions. - -(require 'gnus-cus) -(require 'gnus-ems) - - -;;; -;;; Shutdown -;;; - -(defvar gnus-shutdown-alist nil) - -(defun gnus-add-shutdown (function &rest symbols) - "Run FUNCTION whenever one of SYMBOLS is shut down." - (push (cons function symbols) gnus-shutdown-alist)) - -(defun gnus-shutdown (symbol) - "Shut down everything that waits for SYMBOL." - (let ((alist gnus-shutdown-alist) - entry) - (while (setq entry (pop alist)) - (when (memq symbol (cdr entry)) - (funcall (car entry)))))) - - - -;; Format specs. The chunks below are the machine-generated forms -;; that are to be evaled as the result of the default format strings. -;; We write them in here to get them byte-compiled. That way the -;; default actions will be quite fast, while still retaining the full -;; flexibility of the user-defined format specs. - -;; First we have lots of dummy defvars to let the compiler know these -;; are really dynamic variables. - -(defvar gnus-tmp-unread) -(defvar gnus-tmp-replied) -(defvar gnus-tmp-score-char) -(defvar gnus-tmp-indentation) -(defvar gnus-tmp-opening-bracket) -(defvar gnus-tmp-lines) -(defvar gnus-tmp-name) -(defvar gnus-tmp-closing-bracket) -(defvar gnus-tmp-subject-or-nil) -(defvar gnus-tmp-subject) -(defvar gnus-tmp-marked) -(defvar gnus-tmp-marked-mark) -(defvar gnus-tmp-subscribed) -(defvar gnus-tmp-process-marked) -(defvar gnus-tmp-number-of-unread) -(defvar gnus-tmp-group-name) -(defvar gnus-tmp-group) -(defvar gnus-tmp-article-number) -(defvar gnus-tmp-unread-and-unselected) -(defvar gnus-tmp-news-method) -(defvar gnus-tmp-news-server) -(defvar gnus-tmp-article-number) -(defvar gnus-mouse-face) -(defvar gnus-mouse-face-prop) - -(defun gnus-summary-line-format-spec () - (insert gnus-tmp-unread gnus-tmp-replied - gnus-tmp-score-char gnus-tmp-indentation) - (gnus-put-text-property - (point) - (progn - (insert - gnus-tmp-opening-bracket - (format "%4d: %-20s" - gnus-tmp-lines - (if (> (length gnus-tmp-name) 20) - (substring gnus-tmp-name 0 20) - gnus-tmp-name)) - gnus-tmp-closing-bracket) - (point)) - gnus-mouse-face-prop gnus-mouse-face) - (insert " " gnus-tmp-subject-or-nil "\n")) - -(defvar gnus-summary-line-format-spec - (gnus-byte-code 'gnus-summary-line-format-spec)) - -(defun gnus-summary-dummy-line-format-spec () - (insert "* ") - (gnus-put-text-property - (point) - (progn - (insert ": :") - (point)) - gnus-mouse-face-prop gnus-mouse-face) - (insert " " gnus-tmp-subject "\n")) - -(defvar gnus-summary-dummy-line-format-spec - (gnus-byte-code 'gnus-summary-dummy-line-format-spec)) - -(defun gnus-group-line-format-spec () - (insert gnus-tmp-marked-mark gnus-tmp-subscribed - gnus-tmp-process-marked - gnus-group-indentation - (format "%5s: " gnus-tmp-number-of-unread)) - (gnus-put-text-property - (point) - (progn - (insert gnus-tmp-group "\n") - (1- (point))) - gnus-mouse-face-prop gnus-mouse-face)) -(defvar gnus-group-line-format-spec - (gnus-byte-code 'gnus-group-line-format-spec)) - -(defvar gnus-format-specs - `((version . ,emacs-version) - (group ,gnus-group-line-format ,gnus-group-line-format-spec) - (summary-dummy ,gnus-summary-dummy-line-format - ,gnus-summary-dummy-line-format-spec) - (summary ,gnus-summary-line-format ,gnus-summary-line-format-spec))) - -(defvar gnus-article-mode-line-format-spec nil) -(defvar gnus-summary-mode-line-format-spec nil) -(defvar gnus-group-mode-line-format-spec nil) - -;;; Phew. All that gruft is over, fortunately. - - -;;; -;;; Gnus Utility Functions -;;; - -(defun gnus-extract-address-components (from) - (let (name address) - ;; First find the address - the thing with the @ in it. This may - ;; not be accurate in mail addresses, but does the trick most of - ;; the time in news messages. - (if (string-match "\\b[^@ \t<>]+[!@][^@ \t<>]+\\b" from) - (setq address (substring from (match-beginning 0) (match-end 0)))) - ;; Then we check whether the "name <address>" format is used. - (and address - ;; Fix by MORIOKA Tomohiko <morioka@jaist.ac.jp> - ;; Linear white space is not required. - (string-match (concat "[ \t]*<" (regexp-quote address) ">") from) - (and (setq name (substring from 0 (match-beginning 0))) - ;; Strip any quotes from the name. - (string-match "\".*\"" name) - (setq name (substring name 1 (1- (match-end 0)))))) - ;; If not, then "address (name)" is used. - (or name - (and (string-match "(.+)" from) - (setq name (substring from (1+ (match-beginning 0)) - (1- (match-end 0))))) - (and (string-match "()" from) - (setq name address)) - ;; Fix by MORIOKA Tomohiko <morioka@jaist.ac.jp>. - ;; XOVER might not support folded From headers. - (and (string-match "(.*" from) - (setq name (substring from (1+ (match-beginning 0)) - (match-end 0))))) - ;; Fix by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>. - (list (or name from) (or address from)))) - -(defun gnus-fetch-field (field) - "Return the value of the header FIELD of current article." - (save-excursion - (save-restriction - (let ((case-fold-search t) - (inhibit-point-motion-hooks t)) - (nnheader-narrow-to-headers) - (message-fetch-field field))))) - -(defun gnus-goto-colon () - (beginning-of-line) - (search-forward ":" (gnus-point-at-eol) t)) - -;;;###autoload -(defun gnus-update-format (var) - "Update the format specification near point." - (interactive - (list - (save-excursion - (eval-defun nil) - ;; Find the end of the current word. - (re-search-forward "[ \t\n]" nil t) - ;; Search backward. - (when (re-search-backward "\\(gnus-[-a-z]+-line-format\\)" nil t) - (match-string 1))))) - (let* ((type (intern (progn (string-match "gnus-\\([-a-z]+\\)-line" var) - (match-string 1 var)))) - (entry (assq type gnus-format-specs)) - value spec) - (when entry - (setq gnus-format-specs (delq entry gnus-format-specs))) - (set - (intern (format "%s-spec" var)) - (gnus-parse-format (setq value (symbol-value (intern var))) - (symbol-value (intern (format "%s-alist" var))) - (not (string-match "mode" var)))) - (setq spec (symbol-value (intern (format "%s-spec" var)))) - (push (list type value spec) gnus-format-specs) - - (pop-to-buffer "*Gnus Format*") - (erase-buffer) - (lisp-interaction-mode) - (insert (pp-to-string spec)))) - -(defun gnus-update-format-specifications (&optional force) - "Update all (necessary) format specifications." - ;; Make the indentation array. - (gnus-make-thread-indent-array) - - ;; See whether all the stored info needs to be flushed. - (when (or force - (not (equal emacs-version - (cdr (assq 'version gnus-format-specs))))) - (setq gnus-format-specs nil)) - - ;; Go through all the formats and see whether they need updating. - (let ((types '(summary summary-dummy group - summary-mode group-mode article-mode)) - new-format entry type val) - (while (setq type (pop types)) - ;; Jump to the proper buffer to find out the value of - ;; the variable, if possible. (It may be buffer-local.) - (save-excursion - (let ((buffer (intern (format "gnus-%s-buffer" type))) - val) - (when (and (boundp buffer) - (setq val (symbol-value buffer)) - (get-buffer val) - (buffer-name (get-buffer val))) - (set-buffer (get-buffer val))) - (setq new-format (symbol-value - (intern (format "gnus-%s-line-format" type)))))) - (setq entry (cdr (assq type gnus-format-specs))) - (if (and entry - (equal (car entry) new-format)) - ;; Use the old format. - (set (intern (format "gnus-%s-line-format-spec" type)) - (cadr entry)) - ;; This is a new format. - (setq val - (if (not (stringp new-format)) - ;; This is a function call or something. - new-format - ;; This is a "real" format. - (gnus-parse-format - new-format - (symbol-value - (intern (format "gnus-%s-line-format-alist" - (if (eq type 'article-mode) - 'summary-mode type)))) - (not (string-match "mode$" (symbol-name type)))))) - ;; Enter the new format spec into the list. - (if entry - (progn - (setcar (cdr entry) val) - (setcar entry new-format)) - (push (list type new-format val) gnus-format-specs)) - (set (intern (format "gnus-%s-line-format-spec" type)) val)))) - - (unless (assq 'version gnus-format-specs) - (push (cons 'version emacs-version) gnus-format-specs)) - - (gnus-update-group-mark-positions) - (gnus-update-summary-mark-positions)) - -(defun gnus-update-summary-mark-positions () - "Compute where the summary marks are to go." - (save-excursion - (when (and gnus-summary-buffer - (get-buffer gnus-summary-buffer) - (buffer-name (get-buffer gnus-summary-buffer))) - (set-buffer gnus-summary-buffer)) - (let ((gnus-replied-mark 129) - (gnus-score-below-mark 130) - (gnus-score-over-mark 130) - (thread nil) - (gnus-visual nil) - (spec gnus-summary-line-format-spec) - pos) - (save-excursion - (gnus-set-work-buffer) - (let ((gnus-summary-line-format-spec spec)) - (gnus-summary-insert-line - [0 "" "" "" "" "" 0 0 ""] 0 nil 128 t nil "" nil 1) - (goto-char (point-min)) - (setq pos (list (cons 'unread (and (search-forward "\200" nil t) - (- (point) 2))))) - (goto-char (point-min)) - (push (cons 'replied (and (search-forward "\201" nil t) - (- (point) 2))) - pos) - (goto-char (point-min)) - (push (cons 'score (and (search-forward "\202" nil t) (- (point) 2))) - pos))) - (setq gnus-summary-mark-positions pos)))) - -(defun gnus-update-group-mark-positions () - (save-excursion - (let ((gnus-process-mark 128) - (gnus-group-marked '("dummy.group")) - (gnus-active-hashtb (make-vector 10 0))) - (gnus-set-active "dummy.group" '(0 . 0)) - (gnus-set-work-buffer) - (gnus-group-insert-group-line "dummy.group" 0 nil 0 nil) - (goto-char (point-min)) - (setq gnus-group-mark-positions - (list (cons 'process (and (search-forward "\200" nil t) - (- (point) 2)))))))) - -(defvar gnus-mouse-face-0 'highlight) -(defvar gnus-mouse-face-1 'highlight) -(defvar gnus-mouse-face-2 'highlight) -(defvar gnus-mouse-face-3 'highlight) -(defvar gnus-mouse-face-4 'highlight) - -(defun gnus-mouse-face-function (form type) - `(gnus-put-text-property - (point) (progn ,@form (point)) - gnus-mouse-face-prop - ,(if (equal type 0) - 'gnus-mouse-face - `(quote ,(symbol-value (intern (format "gnus-mouse-face-%d" type))))))) - -(defvar gnus-face-0 'bold) -(defvar gnus-face-1 'italic) -(defvar gnus-face-2 'bold-italic) -(defvar gnus-face-3 'bold) -(defvar gnus-face-4 'bold) - -(defun gnus-face-face-function (form type) - `(gnus-put-text-property - (point) (progn ,@form (point)) - 'face ',(symbol-value (intern (format "gnus-face-%d" type))))) - -(defun gnus-max-width-function (el max-width) - (or (numberp max-width) (signal 'wrong-type-argument '(numberp max-width))) - (if (symbolp el) - `(if (> (length ,el) ,max-width) - (substring ,el 0 ,max-width) - ,el) - `(let ((val (eval ,el))) - (if (numberp val) - (setq val (int-to-string val))) - (if (> (length val) ,max-width) - (substring val 0 ,max-width) - val)))) - -(defun gnus-parse-format (format spec-alist &optional insert) - ;; This function parses the FORMAT string with the help of the - ;; SPEC-ALIST and returns a list that can be eval'ed to return the - ;; string. If the FORMAT string contains the specifiers %( and %) - ;; the text between them will have the mouse-face text property. - (if (string-match - "\\`\\(.*\\)%[0-9]?[{(]\\(.*\\)%[0-9]?[})]\\(.*\n?\\)\\'" - format) - (gnus-parse-complex-format format spec-alist) - ;; This is a simple format. - (gnus-parse-simple-format format spec-alist insert))) - -(defun gnus-parse-complex-format (format spec-alist) - (save-excursion - (gnus-set-work-buffer) - (insert format) - (goto-char (point-min)) - (while (re-search-forward "\"" nil t) - (replace-match "\\\"" nil t)) - (goto-char (point-min)) - (insert "(\"") - (while (re-search-forward "%\\([0-9]+\\)?\\([{}()]\\)" nil t) - (let ((number (if (match-beginning 1) - (match-string 1) "0")) - (delim (aref (match-string 2) 0))) - (if (or (= delim ?\() (= delim ?\{)) - (replace-match (concat "\"(" (if (= delim ?\() "mouse" "face") - " " number " \"")) - (replace-match "\")\"")))) - (goto-char (point-max)) - (insert "\")") - (goto-char (point-min)) - (let ((form (read (current-buffer)))) - (cons 'progn (gnus-complex-form-to-spec form spec-alist))))) - -(defun gnus-complex-form-to-spec (form spec-alist) - (delq nil - (mapcar - (lambda (sform) - (if (stringp sform) - (gnus-parse-simple-format sform spec-alist t) - (funcall (intern (format "gnus-%s-face-function" (car sform))) - (gnus-complex-form-to-spec (cddr sform) spec-alist) - (nth 1 sform)))) - form))) - -(defun gnus-parse-simple-format (format spec-alist &optional insert) - ;; This function parses the FORMAT string with the help of the - ;; SPEC-ALIST and returns a list that can be eval'ed to return a - ;; string. - (let ((max-width 0) - spec flist fstring newspec elem beg result dontinsert) - (save-excursion - (gnus-set-work-buffer) - (insert format) - (goto-char (point-min)) - (while (re-search-forward "%[-0-9]*\\(,[0-9]+\\)?\\([^0-9]\\)\\(.\\)?" - nil t) - (if (= (setq spec (string-to-char (match-string 2))) ?%) - (setq newspec "%" - beg (1+ (match-beginning 0))) - ;; First check if there are any specs that look anything like - ;; "%12,12A", ie. with a "max width specification". These have - ;; to be treated specially. - (if (setq beg (match-beginning 1)) - (setq max-width - (string-to-int - (buffer-substring - (1+ (match-beginning 1)) (match-end 1)))) - (setq max-width 0) - (setq beg (match-beginning 2))) - ;; Find the specification from `spec-alist'. - (unless (setq elem (cdr (assq spec spec-alist))) - (setq elem '("*" ?s))) - ;; Treat user defined format specifiers specially. - (when (eq (car elem) 'gnus-tmp-user-defined) - (setq elem - (list - (list (intern (concat "gnus-user-format-function-" - (match-string 3))) - 'gnus-tmp-header) ?s)) - (delete-region (match-beginning 3) (match-end 3))) - (if (not (zerop max-width)) - (let ((el (car elem))) - (cond ((= (cadr elem) ?c) - (setq el (list 'char-to-string el))) - ((= (cadr elem) ?d) - (setq el (list 'int-to-string el)))) - (setq flist (cons (gnus-max-width-function el max-width) - flist)) - (setq newspec ?s)) - (progn - (setq flist (cons (car elem) flist)) - (setq newspec (cadr elem))))) - ;; Remove the old specification (and possibly a ",12" string). - (delete-region beg (match-end 2)) - ;; Insert the new specification. - (goto-char beg) - (insert newspec)) - (setq fstring (buffer-substring 1 (point-max)))) - ;; Do some postprocessing to increase efficiency. - (setq - result - (cond - ;; Emptyness. - ((string= fstring "") - nil) - ;; Not a format string. - ((not (string-match "%" fstring)) - (list fstring)) - ;; A format string with just a single string spec. - ((string= fstring "%s") - (list (car flist))) - ;; A single character. - ((string= fstring "%c") - (list (car flist))) - ;; A single number. - ((string= fstring "%d") - (setq dontinsert) - (if insert - (list `(princ ,(car flist))) - (list `(int-to-string ,(car flist))))) - ;; Just lots of chars and strings. - ((string-match "\\`\\(%[cs]\\)+\\'" fstring) - (nreverse flist)) - ;; A single string spec at the beginning of the spec. - ((string-match "\\`%[sc][^%]+\\'" fstring) - (list (car flist) (substring fstring 2))) - ;; A single string spec in the middle of the spec. - ((string-match "\\`\\([^%]+\\)%[sc]\\([^%]+\\)\\'" fstring) - (list (match-string 1 fstring) (car flist) (match-string 2 fstring))) - ;; A single string spec in the end of the spec. - ((string-match "\\`\\([^%]+\\)%[sc]\\'" fstring) - (list (match-string 1 fstring) (car flist))) - ;; A more complex spec. - (t - (list (cons 'format (cons fstring (nreverse flist))))))) - - (if insert - (when result - (if dontinsert - result - (cons 'insert result))) - (cond ((stringp result) - result) - ((consp result) - (cons 'concat result)) - (t ""))))) - -(defun gnus-eval-format (format &optional alist props) - "Eval the format variable FORMAT, using ALIST. -If PROPS, insert the result." - (let ((form (gnus-parse-format format alist props))) - (if props - (gnus-add-text-properties (point) (progn (eval form) (point)) props) - (eval form)))) - -(defun gnus-remove-text-with-property (prop) - "Delete all text in the current buffer with text property PROP." - (save-excursion - (goto-char (point-min)) - (while (not (eobp)) - (while (get-text-property (point) prop) - (delete-char 1)) - (goto-char (next-single-property-change (point) prop nil (point-max)))))) - -(defun gnus-set-work-buffer () - (if (get-buffer gnus-work-buffer) - (progn - (set-buffer gnus-work-buffer) - (erase-buffer)) - (set-buffer (get-buffer-create gnus-work-buffer)) - (kill-all-local-variables) - (buffer-disable-undo (current-buffer)) - (gnus-add-current-to-buffer-list))) - -;; Article file names when saving. - -(defun gnus-Numeric-save-name (newsgroup headers &optional last-file) - "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE. -If variable `gnus-use-long-file-name' is nil, it is ~/News/News.group/num. -Otherwise, it is like ~/News/news/group/num." - (let ((default - (expand-file-name - (concat (if (gnus-use-long-file-name 'not-save) - (gnus-capitalize-newsgroup newsgroup) - (gnus-newsgroup-directory-form newsgroup)) - "/" (int-to-string (mail-header-number headers))) - gnus-article-save-directory))) - (if (and last-file - (string-equal (file-name-directory default) - (file-name-directory last-file)) - (string-match "^[0-9]+$" (file-name-nondirectory last-file))) - default - (or last-file default)))) - -(defun gnus-numeric-save-name (newsgroup headers &optional last-file) - "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE. -If variable `gnus-use-long-file-name' is non-nil, it is -~/News/news.group/num. Otherwise, it is like ~/News/news/group/num." - (let ((default - (expand-file-name - (concat (if (gnus-use-long-file-name 'not-save) - newsgroup - (gnus-newsgroup-directory-form newsgroup)) - "/" (int-to-string (mail-header-number headers))) - gnus-article-save-directory))) - (if (and last-file - (string-equal (file-name-directory default) - (file-name-directory last-file)) - (string-match "^[0-9]+$" (file-name-nondirectory last-file))) - default - (or last-file default)))) - -(defun gnus-Plain-save-name (newsgroup headers &optional last-file) - "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE. -If variable `gnus-use-long-file-name' is non-nil, it is -~/News/News.group. Otherwise, it is like ~/News/news/group/news." - (or last-file - (expand-file-name - (if (gnus-use-long-file-name 'not-save) - (gnus-capitalize-newsgroup newsgroup) - (concat (gnus-newsgroup-directory-form newsgroup) "/news")) - gnus-article-save-directory))) - -(defun gnus-plain-save-name (newsgroup headers &optional last-file) - "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE. -If variable `gnus-use-long-file-name' is non-nil, it is -~/News/news.group. Otherwise, it is like ~/News/news/group/news." - (or last-file - (expand-file-name - (if (gnus-use-long-file-name 'not-save) - newsgroup - (concat (gnus-newsgroup-directory-form newsgroup) "/news")) - gnus-article-save-directory))) - -;; For subscribing new newsgroup - -(defun gnus-subscribe-hierarchical-interactive (groups) - (let ((groups (sort groups 'string<)) - prefixes prefix start ans group starts) - (while groups - (setq prefixes (list "^")) - (while (and groups prefixes) - (while (not (string-match (car prefixes) (car groups))) - (setq prefixes (cdr prefixes))) - (setq prefix (car prefixes)) - (setq start (1- (length prefix))) - (if (and (string-match "[^\\.]\\." (car groups) start) - (cdr groups) - (setq prefix - (concat "^" (substring (car groups) 0 (match-end 0)))) - (string-match prefix (cadr groups))) - (progn - (setq prefixes (cons prefix prefixes)) - (message "Descend hierarchy %s? ([y]nsq): " - (substring prefix 1 (1- (length prefix)))) - (while (not (memq (setq ans (read-char)) '(?y ?\n ?n ?s ?q))) - (ding) - (message "Descend hierarchy %s? ([y]nsq): " - (substring prefix 1 (1- (length prefix))))) - (cond ((= ans ?n) - (while (and groups - (string-match prefix - (setq group (car groups)))) - (setq gnus-killed-list - (cons group gnus-killed-list)) - (gnus-sethash group group gnus-killed-hashtb) - (setq groups (cdr groups))) - (setq starts (cdr starts))) - ((= ans ?s) - (while (and groups - (string-match prefix - (setq group (car groups)))) - (gnus-sethash group group gnus-killed-hashtb) - (gnus-subscribe-alphabetically (car groups)) - (setq groups (cdr groups))) - (setq starts (cdr starts))) - ((= ans ?q) - (while groups - (setq group (car groups)) - (setq gnus-killed-list (cons group gnus-killed-list)) - (gnus-sethash group group gnus-killed-hashtb) - (setq groups (cdr groups)))) - (t nil))) - (message "Subscribe %s? ([n]yq)" (car groups)) - (while (not (memq (setq ans (read-char)) '(?y ?\n ?q ?n))) - (ding) - (message "Subscribe %s? ([n]yq)" (car groups))) - (setq group (car groups)) - (cond ((= ans ?y) - (gnus-subscribe-alphabetically (car groups)) - (gnus-sethash group group gnus-killed-hashtb)) - ((= ans ?q) - (while groups - (setq group (car groups)) - (setq gnus-killed-list (cons group gnus-killed-list)) - (gnus-sethash group group gnus-killed-hashtb) - (setq groups (cdr groups)))) - (t - (setq gnus-killed-list (cons group gnus-killed-list)) - (gnus-sethash group group gnus-killed-hashtb))) - (setq groups (cdr groups))))))) - -(defun gnus-subscribe-randomly (newsgroup) - "Subscribe new NEWSGROUP by making it the first newsgroup." - (gnus-subscribe-newsgroup newsgroup)) - -(defun gnus-subscribe-alphabetically (newgroup) - "Subscribe new NEWSGROUP and insert it in alphabetical order." - (let ((groups (cdr gnus-newsrc-alist)) - before) - (while (and (not before) groups) - (if (string< newgroup (caar groups)) - (setq before (caar groups)) - (setq groups (cdr groups)))) - (gnus-subscribe-newsgroup newgroup before))) - -(defun gnus-subscribe-hierarchically (newgroup) - "Subscribe new NEWSGROUP and insert it in hierarchical newsgroup order." - ;; Basic ideas by mike-w@cs.aukuni.ac.nz (Mike Williams) - (save-excursion - (set-buffer (find-file-noselect gnus-current-startup-file)) - (let ((groupkey newgroup) - before) - (while (and (not before) groupkey) - (goto-char (point-min)) - (let ((groupkey-re - (concat "^\\(" (regexp-quote groupkey) ".*\\)[!:]"))) - (while (and (re-search-forward groupkey-re nil t) - (progn - (setq before (match-string 1)) - (string< before newgroup))))) - ;; Remove tail of newsgroup name (eg. a.b.c -> a.b) - (setq groupkey - (if (string-match "^\\(.*\\)\\.[^.]+$" groupkey) - (substring groupkey (match-beginning 1) (match-end 1))))) - (gnus-subscribe-newsgroup newgroup before)) - (kill-buffer (current-buffer)))) - -(defun gnus-subscribe-interactively (group) - "Subscribe the new GROUP interactively. -It is inserted in hierarchical newsgroup order if subscribed. If not, -it is killed." - (if (gnus-y-or-n-p (format "Subscribe new newsgroup: %s " group)) - (gnus-subscribe-hierarchically group) - (push group gnus-killed-list))) - -(defun gnus-subscribe-zombies (group) - "Make the new GROUP into a zombie group." - (push group gnus-zombie-list)) - -(defun gnus-subscribe-killed (group) - "Make the new GROUP a killed group." - (push group gnus-killed-list)) - -(defun gnus-subscribe-newsgroup (newsgroup &optional next) - "Subscribe new NEWSGROUP. -If NEXT is non-nil, it is inserted before NEXT. Otherwise it is made -the first newsgroup." - ;; We subscribe the group by changing its level to `subscribed'. - (gnus-group-change-level - newsgroup gnus-level-default-subscribed - gnus-level-killed (gnus-gethash (or next "dummy.group") gnus-newsrc-hashtb)) - (gnus-message 5 "Subscribe newsgroup: %s" newsgroup)) - -;; For directories - -(defun gnus-newsgroup-directory-form (newsgroup) - "Make hierarchical directory name from NEWSGROUP name." - (let ((newsgroup (gnus-newsgroup-savable-name newsgroup)) - (len (length newsgroup)) - idx) - ;; If this is a foreign group, we don't want to translate the - ;; entire name. - (if (setq idx (string-match ":" newsgroup)) - (aset newsgroup idx ?/) - (setq idx 0)) - ;; Replace all occurrences of `.' with `/'. - (while (< idx len) - (if (= (aref newsgroup idx) ?.) - (aset newsgroup idx ?/)) - (setq idx (1+ idx))) - newsgroup)) - -(defun gnus-newsgroup-savable-name (group) - ;; Replace any slashes in a group name (eg. an ange-ftp nndoc group) - ;; with dots. - (nnheader-replace-chars-in-string group ?/ ?.)) - -(defun gnus-make-directory (dir) - "Make DIRECTORY recursively." - ;; Why don't we use `(make-directory dir 'parents)'? That's just one - ;; of the many mysteries of the universe. - (let* ((dir (expand-file-name dir default-directory)) - dirs err) - (if (string-match "/$" dir) - (setq dir (substring dir 0 (match-beginning 0)))) - ;; First go down the path until we find a directory that exists. - (while (not (file-exists-p dir)) - (setq dirs (cons dir dirs)) - (string-match "/[^/]+$" dir) - (setq dir (substring dir 0 (match-beginning 0)))) - ;; Then create all the subdirs. - (while (and dirs (not err)) - (condition-case () - (make-directory (car dirs)) - (error (setq err t))) - (setq dirs (cdr dirs))) - ;; We return whether we were successful or not. - (not dirs))) - -(defun gnus-capitalize-newsgroup (newsgroup) - "Capitalize NEWSGROUP name." - (and (not (zerop (length newsgroup))) - (concat (char-to-string (upcase (aref newsgroup 0))) - (substring newsgroup 1)))) - -;; Various... things. - -(defun gnus-simplify-subject (subject &optional re-only) - "Remove `Re:' and words in parentheses. -If RE-ONLY is non-nil, strip leading `Re:'s only." - (let ((case-fold-search t)) ;Ignore case. - ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'. - (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject) - (setq subject (substring subject (match-end 0)))) - ;; Remove uninteresting prefixes. - (if (and (not re-only) - gnus-simplify-ignored-prefixes - (string-match gnus-simplify-ignored-prefixes subject)) - (setq subject (substring subject (match-end 0)))) - ;; Remove words in parentheses from end. - (unless re-only - (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject) - (setq subject (substring subject 0 (match-beginning 0))))) - ;; Return subject string. - subject)) - -;; Remove any leading "re:"s, any trailing paren phrases, and simplify -;; all whitespace. -;; Written by Stainless Steel Rat <ratinox@ccs.neu.edu>. -(defun gnus-simplify-buffer-fuzzy () - (let ((case-fold-search t)) - (goto-char (point-min)) - (while (search-forward "\t" nil t) - (replace-match " " t t)) - (goto-char (point-min)) - (re-search-forward "^ *\\(re\\|fwd\\)[[{(^0-9]*[])}]?[:;] *" nil t) - (goto-char (match-beginning 0)) - (while (or - (looking-at "^ *\\(re\\|fwd\\)[[{(^0-9]*[])}]?[:;] *") - (looking-at "^[[].*: .*[]]$")) - (goto-char (point-min)) - (while (re-search-forward "^ *\\(re\\|fwd\\)[[{(^0-9]*[])}]?[:;] *" - nil t) - (replace-match "" t t)) - (goto-char (point-min)) - (while (re-search-forward "^[[].*: .*[]]$" nil t) - (goto-char (match-end 0)) - (delete-char -1) - (delete-region - (progn (goto-char (match-beginning 0))) - (re-search-forward ":")))) - (goto-char (point-min)) - (while (re-search-forward " *[[{(][^()\n]*[]})] *$" nil t) - (replace-match "" t t)) - (goto-char (point-min)) - (while (re-search-forward " +" nil t) - (replace-match " " t t)) - (goto-char (point-min)) - (while (re-search-forward " $" nil t) - (replace-match "" t t)) - (goto-char (point-min)) - (while (re-search-forward "^ +" nil t) - (replace-match "" t t)) - (goto-char (point-min)) - (when gnus-simplify-subject-fuzzy-regexp - (if (listp gnus-simplify-subject-fuzzy-regexp) - (let ((list gnus-simplify-subject-fuzzy-regexp)) - (while list - (goto-char (point-min)) - (while (re-search-forward (car list) nil t) - (replace-match "" t t)) - (setq list (cdr list)))) - (while (re-search-forward gnus-simplify-subject-fuzzy-regexp nil t) - (replace-match "" t t)))))) - -(defun gnus-simplify-subject-fuzzy (subject) - "Siplify a subject string fuzzily." - (save-excursion - (gnus-set-work-buffer) - (let ((case-fold-search t)) - (insert subject) - (inline (gnus-simplify-buffer-fuzzy)) - (buffer-string)))) - -;; Add the current buffer to the list of buffers to be killed on exit. -(defun gnus-add-current-to-buffer-list () - (or (memq (current-buffer) gnus-buffer-list) - (setq gnus-buffer-list (cons (current-buffer) gnus-buffer-list)))) - -(defun gnus-string> (s1 s2) - (not (or (string< s1 s2) - (string= s1 s2)))) - -(defun gnus-read-active-file-p () - "Say whether the active file has been read from `gnus-select-method'." - (memq gnus-select-method gnus-have-read-active-file)) - -;;; General various misc type functions. - -(defun gnus-clear-system () - "Clear all variables and buffers." - ;; Clear Gnus variables. - (let ((variables gnus-variable-list)) - (while variables - (set (car variables) nil) - (setq variables (cdr variables)))) - ;; Clear other internal variables. - (setq gnus-list-of-killed-groups nil - gnus-have-read-active-file nil - gnus-newsrc-alist nil - gnus-newsrc-hashtb nil - gnus-killed-list nil - gnus-zombie-list nil - gnus-killed-hashtb nil - gnus-active-hashtb nil - gnus-moderated-list nil - gnus-description-hashtb nil - gnus-current-headers nil - gnus-thread-indent-array nil - gnus-newsgroup-headers nil - gnus-newsgroup-name nil - gnus-server-alist nil - gnus-group-list-mode nil - gnus-opened-servers nil - gnus-group-mark-positions nil - gnus-newsgroup-data nil - gnus-newsgroup-unreads nil - nnoo-state-alist nil - gnus-current-select-method nil) - (gnus-shutdown 'gnus) - ;; Kill the startup file. - (and gnus-current-startup-file - (get-file-buffer gnus-current-startup-file) - (kill-buffer (get-file-buffer gnus-current-startup-file))) - ;; Clear the dribble buffer. - (gnus-dribble-clear) - ;; Kill global KILL file buffer. - (when (get-file-buffer (gnus-newsgroup-kill-file nil)) - (kill-buffer (get-file-buffer (gnus-newsgroup-kill-file nil)))) - (gnus-kill-buffer nntp-server-buffer) - ;; Kill Gnus buffers. - (while gnus-buffer-list - (gnus-kill-buffer (pop gnus-buffer-list))) - ;; Remove Gnus frames. - (gnus-kill-gnus-frames)) - -(defun gnus-kill-gnus-frames () - "Kill all frames Gnus has created." - (while gnus-created-frames - (when (frame-live-p (car gnus-created-frames)) - ;; We slap a condition-case around this `delete-frame' to ensure - ;; against errors if we try do delete the single frame that's left. - (condition-case () - (delete-frame (car gnus-created-frames)) - (error nil))) - (pop gnus-created-frames))) - -(defun gnus-windows-old-to-new (setting) - ;; First we take care of the really, really old Gnus 3 actions. - (when (symbolp setting) - (setq setting - ;; Take care of ooold GNUS 3.x values. - (cond ((eq setting 'SelectArticle) 'article) - ((memq setting '(SelectSubject ExpandSubject)) 'summary) - ((memq setting '(SelectNewsgroup ExitNewsgroup)) 'group) - (t setting)))) - (if (or (listp setting) - (not (and gnus-window-configuration - (memq setting '(group summary article))))) - setting - (let* ((setting (if (eq setting 'group) - (if (assq 'newsgroup gnus-window-configuration) - 'newsgroup - 'newsgroups) setting)) - (elem (cadr (assq setting gnus-window-configuration))) - (total (apply '+ elem)) - (types '(group summary article)) - (pbuf (if (eq setting 'newsgroups) 'group 'summary)) - (i 0) - perc - out) - (while (< i 3) - (or (not (numberp (nth i elem))) - (zerop (nth i elem)) - (progn - (setq perc (if (= i 2) - 1.0 - (/ (float (nth 0 elem)) total))) - (setq out (cons (if (eq pbuf (nth i types)) - (list (nth i types) perc 'point) - (list (nth i types) perc)) - out)))) - (setq i (1+ i))) - `(vertical 1.0 ,@(nreverse out))))) - -;;;###autoload -(defun gnus-add-configuration (conf) - "Add the window configuration CONF to `gnus-buffer-configuration'." - (setq gnus-buffer-configuration - (cons conf (delq (assq (car conf) gnus-buffer-configuration) - gnus-buffer-configuration)))) - -(defvar gnus-frame-list nil) - -(defun gnus-configure-frame (split &optional window) - "Split WINDOW according to SPLIT." - (unless window - (setq window (get-buffer-window (current-buffer)))) - (select-window window) - ;; This might be an old-stylee buffer config. - (when (vectorp split) - (setq split (append split nil))) - (when (or (consp (car split)) - (vectorp (car split))) - (push 1.0 split) - (push 'vertical split)) - ;; The SPLIT might be something that is to be evaled to - ;; return a new SPLIT. - (while (and (not (assq (car split) gnus-window-to-buffer)) - (gnus-functionp (car split))) - (setq split (eval split))) - (let* ((type (car split)) - (subs (cddr split)) - (len (if (eq type 'horizontal) (window-width) (window-height))) - (total 0) - (window-min-width (or gnus-window-min-width window-min-width)) - (window-min-height (or gnus-window-min-height window-min-height)) - s result new-win rest comp-subs size sub) - (cond - ;; Nothing to do here. - ((null split)) - ;; Don't switch buffers. - ((null type) - (and (memq 'point split) window)) - ;; This is a buffer to be selected. - ((not (memq type '(frame horizontal vertical))) - (let ((buffer (cond ((stringp type) type) - (t (cdr (assq type gnus-window-to-buffer))))) - buf) - (unless buffer - (error "Illegal buffer type: %s" type)) - (unless (setq buf (get-buffer (if (symbolp buffer) - (symbol-value buffer) buffer))) - (setq buf (get-buffer-create (if (symbolp buffer) - (symbol-value buffer) buffer)))) - (switch-to-buffer buf) - ;; We return the window if it has the `point' spec. - (and (memq 'point split) window))) - ;; This is a frame split. - ((eq type 'frame) - (unless gnus-frame-list - (setq gnus-frame-list (list (window-frame - (get-buffer-window (current-buffer)))))) - (let ((i 0) - params frame fresult) - (while (< i (length subs)) - ;; Frame parameter is gotten from the sub-split. - (setq params (cadr (elt subs i))) - ;; It should be a list. - (unless (listp params) - (setq params nil)) - ;; Create a new frame? - (unless (setq frame (elt gnus-frame-list i)) - (nconc gnus-frame-list (list (setq frame (make-frame params)))) - (push frame gnus-created-frames)) - ;; Is the old frame still alive? - (unless (frame-live-p frame) - (setcar (nthcdr i gnus-frame-list) - (setq frame (make-frame params)))) - ;; Select the frame in question and do more splits there. - (select-frame frame) - (setq fresult (or (gnus-configure-frame (elt subs i)) fresult)) - (incf i)) - ;; Select the frame that has the selected buffer. - (when fresult - (select-frame (window-frame fresult))))) - ;; This is a normal split. - (t - (when (> (length subs) 0) - ;; First we have to compute the sizes of all new windows. - (while subs - (setq sub (append (pop subs) nil)) - (while (and (not (assq (car sub) gnus-window-to-buffer)) - (gnus-functionp (car sub))) - (setq sub (eval sub))) - (when sub - (push sub comp-subs) - (setq size (cadar comp-subs)) - (cond ((equal size 1.0) - (setq rest (car comp-subs)) - (setq s 0)) - ((floatp size) - (setq s (floor (* size len)))) - ((integerp size) - (setq s size)) - (t - (error "Illegal size: %s" size))) - ;; Try to make sure that we are inside the safe limits. - (cond ((zerop s)) - ((eq type 'horizontal) - (setq s (max s window-min-width))) - ((eq type 'vertical) - (setq s (max s window-min-height)))) - (setcar (cdar comp-subs) s) - (incf total s))) - ;; Take care of the "1.0" spec. - (if rest - (setcar (cdr rest) (- len total)) - (error "No 1.0 specs in %s" split)) - ;; The we do the actual splitting in a nice recursive - ;; fashion. - (setq comp-subs (nreverse comp-subs)) - (while comp-subs - (if (null (cdr comp-subs)) - (setq new-win window) - (setq new-win - (split-window window (cadar comp-subs) - (eq type 'horizontal)))) - (setq result (or (gnus-configure-frame - (car comp-subs) window) result)) - (select-window new-win) - (setq window new-win) - (setq comp-subs (cdr comp-subs)))) - ;; Return the proper window, if any. - (when result - (select-window result)))))) - -(defvar gnus-frame-split-p nil) - -(defun gnus-configure-windows (setting &optional force) - (setq setting (gnus-windows-old-to-new setting)) - (let ((split (if (symbolp setting) - (cadr (assq setting gnus-buffer-configuration)) - setting)) - all-visible) - - (setq gnus-frame-split-p nil) - - (unless split - (error "No such setting: %s" setting)) - - (if (and (setq all-visible (gnus-all-windows-visible-p split)) - (not force)) - ;; All the windows mentioned are already visible, so we just - ;; put point in the assigned buffer, and do not touch the - ;; winconf. - (select-window all-visible) - - ;; Either remove all windows or just remove all Gnus windows. - (let ((frame (selected-frame))) - (unwind-protect - (if gnus-use-full-window - ;; We want to remove all other windows. - (if (not gnus-frame-split-p) - ;; This is not a `frame' split, so we ignore the - ;; other frames. - (delete-other-windows) - ;; This is a `frame' split, so we delete all windows - ;; on all frames. - (mapcar - (lambda (frame) - (unless (eq (cdr (assq 'minibuffer - (frame-parameters frame))) - 'only) - (select-frame frame) - (delete-other-windows))) - (frame-list))) - ;; Just remove some windows. - (gnus-remove-some-windows) - (switch-to-buffer nntp-server-buffer)) - (select-frame frame))) - - (switch-to-buffer nntp-server-buffer) - (gnus-configure-frame split (get-buffer-window (current-buffer)))))) - -(defun gnus-all-windows-visible-p (split) - "Say whether all buffers in SPLIT are currently visible. -In particular, the value returned will be the window that -should have point." - (let ((stack (list split)) - (all-visible t) - type buffer win buf) - (while (and (setq split (pop stack)) - all-visible) - ;; Be backwards compatible. - (when (vectorp split) - (setq split (append split nil))) - (when (or (consp (car split)) - (vectorp (car split))) - (push 1.0 split) - (push 'vertical split)) - ;; The SPLIT might be something that is to be evaled to - ;; return a new SPLIT. - (while (and (not (assq (car split) gnus-window-to-buffer)) - (gnus-functionp (car split))) - (setq split (eval split))) - - (setq type (elt split 0)) - (cond - ;; Nothing here. - ((null split) t) - ;; A buffer. - ((not (memq type '(horizontal vertical frame))) - (setq buffer (cond ((stringp type) type) - (t (cdr (assq type gnus-window-to-buffer))))) - (unless buffer - (error "Illegal buffer type: %s" type)) - (when (setq buf (get-buffer (if (symbolp buffer) - (symbol-value buffer) - buffer))) - (setq win (get-buffer-window buf t))) - (if win - (when (memq 'point split) - (setq all-visible win)) - (setq all-visible nil))) - (t - (when (eq type 'frame) - (setq gnus-frame-split-p t)) - (setq stack (append (cddr split) stack))))) - (unless (eq all-visible t) - all-visible))) - -(defun gnus-window-top-edge (&optional window) - (nth 1 (window-edges window))) - -(defun gnus-remove-some-windows () - (let ((buffers gnus-window-to-buffer) - buf bufs lowest-buf lowest) - (save-excursion - ;; Remove windows on all known Gnus buffers. - (while buffers - (setq buf (cdar buffers)) - (if (symbolp buf) - (setq buf (and (boundp buf) (symbol-value buf)))) - (and buf - (get-buffer-window buf) - (progn - (setq bufs (cons buf bufs)) - (pop-to-buffer buf) - (if (or (not lowest) - (< (gnus-window-top-edge) lowest)) - (progn - (setq lowest (gnus-window-top-edge)) - (setq lowest-buf buf))))) - (setq buffers (cdr buffers))) - ;; Remove windows on *all* summary buffers. - (walk-windows - (lambda (win) - (let ((buf (window-buffer win))) - (if (string-match "^\\*Summary" (buffer-name buf)) - (progn - (setq bufs (cons buf bufs)) - (pop-to-buffer buf) - (if (or (not lowest) - (< (gnus-window-top-edge) lowest)) - (progn - (setq lowest-buf buf) - (setq lowest (gnus-window-top-edge))))))))) - (and lowest-buf - (progn - (pop-to-buffer lowest-buf) - (switch-to-buffer nntp-server-buffer))) - (while bufs - (and (not (eq (car bufs) lowest-buf)) - (delete-windows-on (car bufs))) - (setq bufs (cdr bufs)))))) - -(defun gnus-version (&optional arg) - "Version number of this version of Gnus. -If ARG, insert string at point." - (interactive "P") - (let ((methods gnus-valid-select-methods) - (mess gnus-version) - meth) - ;; Go through all the legal select methods and add their version - ;; numbers to the total version string. Only the backends that are - ;; currently in use will have their message numbers taken into - ;; consideration. - (while methods - (setq meth (intern (concat (caar methods) "-version"))) - (and (boundp meth) - (stringp (symbol-value meth)) - (setq mess (concat mess "; " (symbol-value meth)))) - (setq methods (cdr methods))) - (if arg - (insert (message mess)) - (message mess)))) - -(defun gnus-info-find-node () - "Find Info documentation of Gnus." - (interactive) - ;; Enlarge info window if needed. - (let ((mode major-mode) - gnus-info-buffer) - (Info-goto-node (cadr (assq mode gnus-info-nodes))) - (setq gnus-info-buffer (current-buffer)) - (gnus-configure-windows 'info))) - -(defun gnus-days-between (date1 date2) - ;; Return the number of days between date1 and date2. - (- (gnus-day-number date1) (gnus-day-number date2))) - -(defun gnus-day-number (date) - (let ((dat (mapcar (lambda (s) (and s (string-to-int s)) ) - (timezone-parse-date date)))) - (timezone-absolute-from-gregorian - (nth 1 dat) (nth 2 dat) (car dat)))) - -(defun gnus-encode-date (date) - "Convert DATE to internal time." - (let* ((parse (timezone-parse-date date)) - (date (mapcar (lambda (d) (and d (string-to-int d))) parse)) - (time (mapcar 'string-to-int (timezone-parse-time (aref parse 3))))) - (encode-time (caddr time) (cadr time) (car time) - (caddr date) (cadr date) (car date) (nth 4 date)))) - -(defun gnus-time-minus (t1 t2) - "Subtract two internal times." - (let ((borrow (< (cadr t1) (cadr t2)))) - (list (- (car t1) (car t2) (if borrow 1 0)) - (- (+ (if borrow 65536 0) (cadr t1)) (cadr t2))))) - -(defun gnus-file-newer-than (file date) - (let ((fdate (nth 5 (file-attributes file)))) - (or (> (car fdate) (car date)) - (and (= (car fdate) (car date)) - (> (nth 1 fdate) (nth 1 date)))))) - -(defmacro gnus-local-set-keys (&rest plist) - "Set the keys in PLIST in the current keymap." - `(gnus-define-keys-1 (current-local-map) ',plist)) - -(defmacro gnus-define-keys (keymap &rest plist) - "Define all keys in PLIST in KEYMAP." - `(gnus-define-keys-1 (quote ,keymap) (quote ,plist))) - -(put 'gnus-define-keys 'lisp-indent-function 1) -(put 'gnus-define-keys 'lisp-indent-hook 1) -(put 'gnus-define-keymap 'lisp-indent-function 1) -(put 'gnus-define-keymap 'lisp-indent-hook 1) - -(defmacro gnus-define-keymap (keymap &rest plist) - "Define all keys in PLIST in KEYMAP." - `(gnus-define-keys-1 ,keymap (quote ,plist))) - -(defun gnus-define-keys-1 (keymap plist) - (when (null keymap) - (error "Can't set keys in a null keymap")) - (cond ((symbolp keymap) - (setq keymap (symbol-value keymap))) - ((keymapp keymap)) - ((listp keymap) - (set (car keymap) nil) - (define-prefix-command (car keymap)) - (define-key (symbol-value (caddr keymap)) (cadr keymap) (car keymap)) - (setq keymap (symbol-value (car keymap))))) - (let (key) - (while plist - (when (symbolp (setq key (pop plist))) - (setq key (symbol-value key))) - (define-key keymap key (pop plist))))) - -(defun gnus-group-read-only-p (&optional group) - "Check whether GROUP supports editing or not. -If GROUP is nil, `gnus-newsgroup-name' will be checked instead. Note -that that variable is buffer-local to the summary buffers." - (let ((group (or group gnus-newsgroup-name))) - (not (gnus-check-backend-function 'request-replace-article group)))) - -(defun gnus-group-total-expirable-p (group) - "Check whether GROUP is total-expirable or not." - (let ((params (gnus-info-params (gnus-get-info group)))) - (or (memq 'total-expire params) - (cdr (assq 'total-expire params)) ; (total-expire . t) - (and gnus-total-expirable-newsgroups ; Check var. - (string-match gnus-total-expirable-newsgroups group))))) - -(defun gnus-group-auto-expirable-p (group) - "Check whether GROUP is total-expirable or not." - (let ((params (gnus-info-params (gnus-get-info group)))) - (or (memq 'auto-expire params) - (cdr (assq 'auto-expire params)) ; (auto-expire . t) - (and gnus-auto-expirable-newsgroups ; Check var. - (string-match gnus-auto-expirable-newsgroups group))))) - -(defun gnus-virtual-group-p (group) - "Say whether GROUP is virtual or not." - (memq 'virtual (assoc (symbol-name (car (gnus-find-method-for-group group))) - gnus-valid-select-methods))) - -(defun gnus-news-group-p (group &optional article) - "Return non-nil if GROUP (and ARTICLE) come from a news server." - (or (gnus-member-of-valid 'post group) ; Ordinary news group. - (and (gnus-member-of-valid 'post-mail group) ; Combined group. - (eq (gnus-request-type group article) 'news)))) - -(defsubst gnus-simplify-subject-fully (subject) - "Simplify a subject string according to the user's wishes." - (cond - ((null gnus-summary-gather-subject-limit) - (gnus-simplify-subject-re subject)) - ((eq gnus-summary-gather-subject-limit 'fuzzy) - (gnus-simplify-subject-fuzzy subject)) - ((numberp gnus-summary-gather-subject-limit) - (gnus-limit-string (gnus-simplify-subject-re subject) - gnus-summary-gather-subject-limit)) - (t - subject))) - -(defsubst gnus-subject-equal (s1 s2 &optional simple-first) - "Check whether two subjects are equal. If optional argument -simple-first is t, first argument is already simplified." - (cond - ((null simple-first) - (equal (gnus-simplify-subject-fully s1) - (gnus-simplify-subject-fully s2))) - (t - (equal s1 - (gnus-simplify-subject-fully s2))))) - -;; Returns a list of writable groups. -(defun gnus-writable-groups () - (let ((alist gnus-newsrc-alist) - groups group) - (while (setq group (car (pop alist))) - (unless (gnus-group-read-only-p group) - (push group groups))) - (nreverse groups))) - -(defun gnus-completing-read (default prompt &rest args) - ;; Like `completing-read', except that DEFAULT is the default argument. - (let* ((prompt (if default - (concat prompt " (default " default ") ") - (concat prompt " "))) - (answer (apply 'completing-read prompt args))) - (if (or (null answer) (zerop (length answer))) - default - answer))) - -;; Two silly functions to ensure that all `y-or-n-p' questions clear -;; the echo area. -(defun gnus-y-or-n-p (prompt) - (prog1 - (y-or-n-p prompt) - (message ""))) - -(defun gnus-yes-or-no-p (prompt) - (prog1 - (yes-or-no-p prompt) - (message ""))) - -;; Check whether to use long file names. -(defun gnus-use-long-file-name (symbol) - ;; The variable has to be set... - (and gnus-use-long-file-name - ;; If it isn't a list, then we return t. - (or (not (listp gnus-use-long-file-name)) - ;; If it is a list, and the list contains `symbol', we - ;; return nil. - (not (memq symbol gnus-use-long-file-name))))) - -;; I suspect there's a better way, but I haven't taken the time to do -;; it yet. -erik selberg@cs.washington.edu -(defun gnus-dd-mmm (messy-date) - "Return a string like DD-MMM from a big messy string" - (let ((datevec (condition-case () (timezone-parse-date messy-date) - (error nil)))) - (if (not datevec) - "??-???" - (format "%2s-%s" - (condition-case () - ;; Make sure leading zeroes are stripped. - (number-to-string (string-to-number (aref datevec 2))) - (error "??")) - (capitalize - (or (car - (nth (1- (string-to-number (aref datevec 1))) - timezone-months-assoc)) - "???")))))) - -(defun gnus-mode-string-quote (string) - "Quote all \"%\" in STRING." - (save-excursion - (gnus-set-work-buffer) - (insert string) - (goto-char (point-min)) - (while (search-forward "%" nil t) - (insert "%")) - (buffer-string))) - -;; Make a hash table (default and minimum size is 255). -;; Optional argument HASHSIZE specifies the table size. -(defun gnus-make-hashtable (&optional hashsize) - (make-vector (if hashsize (max (gnus-create-hash-size hashsize) 255) 255) 0)) - -;; Make a number that is suitable for hashing; bigger than MIN and one -;; less than 2^x. -(defun gnus-create-hash-size (min) - (let ((i 1)) - (while (< i min) - (setq i (* 2 i))) - (1- i))) - -;; Show message if message has a lower level than `gnus-verbose'. -;; Guideline for numbers: -;; 1 - error messages, 3 - non-serious error messages, 5 - messages -;; for things that take a long time, 7 - not very important messages -;; on stuff, 9 - messages inside loops. -(defun gnus-message (level &rest args) - (if (<= level gnus-verbose) - (apply 'message args) - ;; We have to do this format thingy here even if the result isn't - ;; shown - the return value has to be the same as the return value - ;; from `message'. - (apply 'format args))) - -(defun gnus-error (level &rest args) - "Beep an error if LEVEL is equal to or less than `gnus-verbose'." - (when (<= (floor level) gnus-verbose) - (apply 'message args) - (ding) - (let (duration) - (when (and (floatp level) - (not (zerop (setq duration (* 10 (- level (floor level))))))) - (sit-for duration)))) - nil) - -;; Generate a unique new group name. -(defun gnus-generate-new-group-name (leaf) - (let ((name leaf) - (num 0)) - (while (gnus-gethash name gnus-newsrc-hashtb) - (setq name (concat leaf "<" (int-to-string (setq num (1+ num))) ">"))) - name)) - -(defsubst gnus-hide-text (b e props) - "Set text PROPS on the B to E region, extending `intangible' 1 past B." - (gnus-add-text-properties b e props) - (when (memq 'intangible props) - (gnus-put-text-property (max (1- b) (point-min)) - b 'intangible (cddr (memq 'intangible props))))) - -(defsubst gnus-unhide-text (b e) - "Remove hidden text properties from region between B and E." - (remove-text-properties b e gnus-hidden-properties) - (when (memq 'intangible gnus-hidden-properties) - (gnus-put-text-property (max (1- b) (point-min)) - b 'intangible nil))) - -(defun gnus-hide-text-type (b e type) - "Hide text of TYPE between B and E." - (gnus-hide-text b e (cons 'gnus-type (cons type gnus-hidden-properties)))) - -(defun gnus-parent-headers (headers &optional generation) - "Return the headers of the GENERATIONeth parent of HEADERS." - (unless generation - (setq generation 1)) - (let (references parent) - (while (and headers (not (zerop generation))) - (setq references (mail-header-references headers)) - (when (and references - (setq parent (gnus-parent-id references)) - (setq headers (car (gnus-id-to-thread parent)))) - (decf generation))) - headers)) - -(defun gnus-parent-id (references) - "Return the last Message-ID in REFERENCES." - (when (and references - (string-match "\\(<[^\n<>]+>\\)[ \t\n]*\\'" references)) - (substring references (match-beginning 1) (match-end 1)))) - -(defun gnus-split-references (references) - "Return a list of Message-IDs in REFERENCES." - (let ((beg 0) - ids) - (while (string-match "<[^>]+>" references beg) - (push (substring references (match-beginning 0) (setq beg (match-end 0))) - ids)) - (nreverse ids))) - -(defun gnus-buffer-live-p (buffer) - "Say whether BUFFER is alive or not." - (and buffer - (get-buffer buffer) - (buffer-name (get-buffer buffer)))) - -(defun gnus-ephemeral-group-p (group) - "Say whether GROUP is ephemeral or not." - (gnus-group-get-parameter group 'quit-config)) - -(defun gnus-group-quit-config (group) - "Return the quit-config of GROUP." - (gnus-group-get-parameter group 'quit-config)) - -(defun gnus-simplify-mode-line () - "Make mode lines a bit simpler." - (setq mode-line-modified "-- ") - (when (listp mode-line-format) - (make-local-variable 'mode-line-format) - (setq mode-line-format (copy-sequence mode-line-format)) - (when (equal (nth 3 mode-line-format) " ") - (setcar (nthcdr 3 mode-line-format) " ")))) - -;;; List and range functions - -(defun gnus-last-element (list) - "Return last element of LIST." - (while (cdr list) - (setq list (cdr list))) - (car list)) - -(defun gnus-copy-sequence (list) - "Do a complete, total copy of a list." - (if (and (consp list) (not (consp (cdr list)))) - (cons (car list) (cdr list)) - (mapcar (lambda (elem) (if (consp elem) - (if (consp (cdr elem)) - (gnus-copy-sequence elem) - (cons (car elem) (cdr elem))) - elem)) - list))) - -(defun gnus-set-difference (list1 list2) - "Return a list of elements of LIST1 that do not appear in LIST2." - (let ((list1 (copy-sequence list1))) - (while list2 - (setq list1 (delq (car list2) list1)) - (setq list2 (cdr list2))) - list1)) - -(defun gnus-sorted-complement (list1 list2) - "Return a list of elements of LIST1 that do not appear in LIST2. -Both lists have to be sorted over <." - (let (out) - (if (or (null list1) (null list2)) - (or list1 list2) - (while (and list1 list2) - (cond ((= (car list1) (car list2)) - (setq list1 (cdr list1) - list2 (cdr list2))) - ((< (car list1) (car list2)) - (setq out (cons (car list1) out)) - (setq list1 (cdr list1))) - (t - (setq out (cons (car list2) out)) - (setq list2 (cdr list2))))) - (nconc (nreverse out) (or list1 list2))))) - -(defun gnus-intersection (list1 list2) - (let ((result nil)) - (while list2 - (if (memq (car list2) list1) - (setq result (cons (car list2) result))) - (setq list2 (cdr list2))) - result)) - -(defun gnus-sorted-intersection (list1 list2) - ;; LIST1 and LIST2 have to be sorted over <. - (let (out) - (while (and list1 list2) - (cond ((= (car list1) (car list2)) - (setq out (cons (car list1) out) - list1 (cdr list1) - list2 (cdr list2))) - ((< (car list1) (car list2)) - (setq list1 (cdr list1))) - (t - (setq list2 (cdr list2))))) - (nreverse out))) - -(defun gnus-set-sorted-intersection (list1 list2) - ;; LIST1 and LIST2 have to be sorted over <. - ;; This function modifies LIST1. - (let* ((top (cons nil list1)) - (prev top)) - (while (and list1 list2) - (cond ((= (car list1) (car list2)) - (setq prev list1 - list1 (cdr list1) - list2 (cdr list2))) - ((< (car list1) (car list2)) - (setcdr prev (cdr list1)) - (setq list1 (cdr list1))) - (t - (setq list2 (cdr list2))))) - (setcdr prev nil) - (cdr top))) - -(defun gnus-compress-sequence (numbers &optional always-list) - "Convert list of numbers to a list of ranges or a single range. -If ALWAYS-LIST is non-nil, this function will always release a list of -ranges." - (let* ((first (car numbers)) - (last (car numbers)) - result) - (if (null numbers) - nil - (if (not (listp (cdr numbers))) - numbers - (while numbers - (cond ((= last (car numbers)) nil) ;Omit duplicated number - ((= (1+ last) (car numbers)) ;Still in sequence - (setq last (car numbers))) - (t ;End of one sequence - (setq result - (cons (if (= first last) first - (cons first last)) result)) - (setq first (car numbers)) - (setq last (car numbers)))) - (setq numbers (cdr numbers))) - (if (and (not always-list) (null result)) - (if (= first last) (list first) (cons first last)) - (nreverse (cons (if (= first last) first (cons first last)) - result))))))) - -(defalias 'gnus-uncompress-sequence 'gnus-uncompress-range) -(defun gnus-uncompress-range (ranges) - "Expand a list of ranges into a list of numbers. -RANGES is either a single range on the form `(num . num)' or a list of -these ranges." - (let (first last result) - (cond - ((null ranges) - nil) - ((not (listp (cdr ranges))) - (setq first (car ranges)) - (setq last (cdr ranges)) - (while (<= first last) - (setq result (cons first result)) - (setq first (1+ first))) - (nreverse result)) - (t - (while ranges - (if (atom (car ranges)) - (if (numberp (car ranges)) - (setq result (cons (car ranges) result))) - (setq first (caar ranges)) - (setq last (cdar ranges)) - (while (<= first last) - (setq result (cons first result)) - (setq first (1+ first)))) - (setq ranges (cdr ranges))) - (nreverse result))))) - -(defun gnus-add-to-range (ranges list) - "Return a list of ranges that has all articles from both RANGES and LIST. -Note: LIST has to be sorted over `<'." - (if (not ranges) - (gnus-compress-sequence list t) - (setq list (copy-sequence list)) - (or (listp (cdr ranges)) - (setq ranges (list ranges))) - (let ((out ranges) - ilist lowest highest temp) - (while (and ranges list) - (setq ilist list) - (setq lowest (or (and (atom (car ranges)) (car ranges)) - (caar ranges))) - (while (and list (cdr list) (< (cadr list) lowest)) - (setq list (cdr list))) - (if (< (car ilist) lowest) - (progn - (setq temp list) - (setq list (cdr list)) - (setcdr temp nil) - (setq out (nconc (gnus-compress-sequence ilist t) out)))) - (setq highest (or (and (atom (car ranges)) (car ranges)) - (cdar ranges))) - (while (and list (<= (car list) highest)) - (setq list (cdr list))) - (setq ranges (cdr ranges))) - (if list - (setq out (nconc (gnus-compress-sequence list t) out))) - (setq out (sort out (lambda (r1 r2) - (< (or (and (atom r1) r1) (car r1)) - (or (and (atom r2) r2) (car r2)))))) - (setq ranges out) - (while ranges - (if (atom (car ranges)) - (if (cdr ranges) - (if (atom (cadr ranges)) - (if (= (1+ (car ranges)) (cadr ranges)) - (progn - (setcar ranges (cons (car ranges) - (cadr ranges))) - (setcdr ranges (cddr ranges)))) - (if (= (1+ (car ranges)) (caadr ranges)) - (progn - (setcar (cadr ranges) (car ranges)) - (setcar ranges (cadr ranges)) - (setcdr ranges (cddr ranges)))))) - (if (cdr ranges) - (if (atom (cadr ranges)) - (if (= (1+ (cdar ranges)) (cadr ranges)) - (progn - (setcdr (car ranges) (cadr ranges)) - (setcdr ranges (cddr ranges)))) - (if (= (1+ (cdar ranges)) (caadr ranges)) - (progn - (setcdr (car ranges) (cdadr ranges)) - (setcdr ranges (cddr ranges))))))) - (setq ranges (cdr ranges))) - out))) - -(defun gnus-remove-from-range (ranges list) - "Return a list of ranges that has all articles from LIST removed from RANGES. -Note: LIST has to be sorted over `<'." - ;; !!! This function shouldn't look like this, but I've got a headache. - (gnus-compress-sequence - (gnus-sorted-complement - (gnus-uncompress-range ranges) list))) - -(defun gnus-member-of-range (number ranges) - (if (not (listp (cdr ranges))) - (and (>= number (car ranges)) - (<= number (cdr ranges))) - (let ((not-stop t)) - (while (and ranges - (if (numberp (car ranges)) - (>= number (car ranges)) - (>= number (caar ranges))) - not-stop) - (if (if (numberp (car ranges)) - (= number (car ranges)) - (and (>= number (caar ranges)) - (<= number (cdar ranges)))) - (setq not-stop nil)) - (setq ranges (cdr ranges))) - (not not-stop)))) - -(defun gnus-range-length (range) - "Return the length RANGE would have if uncompressed." - (length (gnus-uncompress-range range))) - -(defun gnus-sublist-p (list sublist) - "Test whether all elements in SUBLIST are members of LIST." - (let ((sublistp t)) - (while sublist - (unless (memq (pop sublist) list) - (setq sublistp nil - sublist nil))) - sublistp)) - - -;;; -;;; Gnus group mode -;;; - -(defvar gnus-group-mode-map nil) -(put 'gnus-group-mode 'mode-class 'special) - -(unless gnus-group-mode-map - (setq gnus-group-mode-map (make-keymap)) - (suppress-keymap gnus-group-mode-map) - - (gnus-define-keys gnus-group-mode-map - " " gnus-group-read-group - "=" gnus-group-select-group - "\r" gnus-group-select-group - "\M-\r" gnus-group-quick-select-group - "j" gnus-group-jump-to-group - "n" gnus-group-next-unread-group - "p" gnus-group-prev-unread-group - "\177" gnus-group-prev-unread-group - [delete] gnus-group-prev-unread-group - "N" gnus-group-next-group - "P" gnus-group-prev-group - "\M-n" gnus-group-next-unread-group-same-level - "\M-p" gnus-group-prev-unread-group-same-level - "," gnus-group-best-unread-group - "." gnus-group-first-unread-group - "u" gnus-group-unsubscribe-current-group - "U" gnus-group-unsubscribe-group - "c" gnus-group-catchup-current - "C" gnus-group-catchup-current-all - "l" gnus-group-list-groups - "L" gnus-group-list-all-groups - "m" gnus-group-mail - "g" gnus-group-get-new-news - "\M-g" gnus-group-get-new-news-this-group - "R" gnus-group-restart - "r" gnus-group-read-init-file - "B" gnus-group-browse-foreign-server - "b" gnus-group-check-bogus-groups - "F" gnus-find-new-newsgroups - "\C-c\C-d" gnus-group-describe-group - "\M-d" gnus-group-describe-all-groups - "\C-c\C-a" gnus-group-apropos - "\C-c\M-\C-a" gnus-group-description-apropos - "a" gnus-group-post-news - "\ek" gnus-group-edit-local-kill - "\eK" gnus-group-edit-global-kill - "\C-k" gnus-group-kill-group - "\C-y" gnus-group-yank-group - "\C-w" gnus-group-kill-region - "\C-x\C-t" gnus-group-transpose-groups - "\C-c\C-l" gnus-group-list-killed - "\C-c\C-x" gnus-group-expire-articles - "\C-c\M-\C-x" gnus-group-expire-all-groups - "V" gnus-version - "s" gnus-group-save-newsrc - "z" gnus-group-suspend -; "Z" gnus-group-clear-dribble - "q" gnus-group-exit - "Q" gnus-group-quit - "?" gnus-group-describe-briefly - "\C-c\C-i" gnus-info-find-node - "\M-e" gnus-group-edit-group-method - "^" gnus-group-enter-server-mode - gnus-mouse-2 gnus-mouse-pick-group - "<" beginning-of-buffer - ">" end-of-buffer - "\C-c\C-b" gnus-bug - "\C-c\C-s" gnus-group-sort-groups - "t" gnus-topic-mode - "\C-c\M-g" gnus-activate-all-groups - "\M-&" gnus-group-universal-argument - "#" gnus-group-mark-group - "\M-#" gnus-group-unmark-group) - - (gnus-define-keys (gnus-group-mark-map "M" gnus-group-mode-map) - "m" gnus-group-mark-group - "u" gnus-group-unmark-group - "w" gnus-group-mark-region - "m" gnus-group-mark-buffer - "r" gnus-group-mark-regexp - "U" gnus-group-unmark-all-groups) - - (gnus-define-keys (gnus-group-group-map "G" gnus-group-mode-map) - "d" gnus-group-make-directory-group - "h" gnus-group-make-help-group - "a" gnus-group-make-archive-group - "k" gnus-group-make-kiboze-group - "m" gnus-group-make-group - "E" gnus-group-edit-group - "e" gnus-group-edit-group-method - "p" gnus-group-edit-group-parameters - "v" gnus-group-add-to-virtual - "V" gnus-group-make-empty-virtual - "D" gnus-group-enter-directory - "f" gnus-group-make-doc-group - "r" gnus-group-rename-group - "\177" gnus-group-delete-group - [delete] gnus-group-delete-group) - - (gnus-define-keys (gnus-group-soup-map "s" gnus-group-group-map) - "b" gnus-group-brew-soup - "w" gnus-soup-save-areas - "s" gnus-soup-send-replies - "p" gnus-soup-pack-packet - "r" nnsoup-pack-replies) - - (gnus-define-keys (gnus-group-sort-map "S" gnus-group-group-map) - "s" gnus-group-sort-groups - "a" gnus-group-sort-groups-by-alphabet - "u" gnus-group-sort-groups-by-unread - "l" gnus-group-sort-groups-by-level - "v" gnus-group-sort-groups-by-score - "r" gnus-group-sort-groups-by-rank - "m" gnus-group-sort-groups-by-method) - - (gnus-define-keys (gnus-group-list-map "A" gnus-group-mode-map) - "k" gnus-group-list-killed - "z" gnus-group-list-zombies - "s" gnus-group-list-groups - "u" gnus-group-list-all-groups - "A" gnus-group-list-active - "a" gnus-group-apropos - "d" gnus-group-description-apropos - "m" gnus-group-list-matching - "M" gnus-group-list-all-matching - "l" gnus-group-list-level) - - (gnus-define-keys (gnus-group-score-map "W" gnus-group-mode-map) - "f" gnus-score-flush-cache) - - (gnus-define-keys (gnus-group-help-map "H" gnus-group-mode-map) - "f" gnus-group-fetch-faq) - - (gnus-define-keys (gnus-group-sub-map "S" gnus-group-mode-map) - "l" gnus-group-set-current-level - "t" gnus-group-unsubscribe-current-group - "s" gnus-group-unsubscribe-group - "k" gnus-group-kill-group - "y" gnus-group-yank-group - "w" gnus-group-kill-region - "\C-k" gnus-group-kill-level - "z" gnus-group-kill-all-zombies)) - -(defun gnus-group-mode () - "Major mode for reading news. - -All normal editing commands are switched off. -\\<gnus-group-mode-map> -The group buffer lists (some of) the groups available. For instance, -`\\[gnus-group-list-groups]' will list all subscribed groups with unread articles, while `\\[gnus-group-list-zombies]' -lists all zombie groups. - -Groups that are displayed can be entered with `\\[gnus-group-read-group]'. To subscribe -to a group not displayed, type `\\[gnus-group-unsubscribe-group]'. - -For more in-depth information on this mode, read the manual (`\\[gnus-info-find-node]'). - -The following commands are available: - -\\{gnus-group-mode-map}" - (interactive) - (when (and menu-bar-mode - (gnus-visual-p 'group-menu 'menu)) - (gnus-group-make-menu-bar)) - (kill-all-local-variables) - (gnus-simplify-mode-line) - (setq major-mode 'gnus-group-mode) - (setq mode-name "Group") - (gnus-group-set-mode-line) - (setq mode-line-process nil) - (use-local-map gnus-group-mode-map) - (buffer-disable-undo (current-buffer)) - (setq truncate-lines t) - (setq buffer-read-only t) - (gnus-make-local-hook 'post-command-hook) - (gnus-add-hook 'post-command-hook 'gnus-clear-inboxes-moved nil t) - (run-hooks 'gnus-group-mode-hook)) - -(defun gnus-clear-inboxes-moved () - (setq nnmail-moved-inboxes nil)) - -(defun gnus-mouse-pick-group (e) - "Enter the group under the mouse pointer." - (interactive "e") - (mouse-set-point e) - (gnus-group-read-group nil)) - -;; Look at LEVEL and find out what the level is really supposed to be. -;; If LEVEL is non-nil, LEVEL will be returned, if not, what happens -;; will depend on whether `gnus-group-use-permanent-levels' is used. -(defun gnus-group-default-level (&optional level number-or-nil) - (cond - (gnus-group-use-permanent-levels - (or (setq gnus-group-use-permanent-levels - (or level (if (numberp gnus-group-use-permanent-levels) - gnus-group-use-permanent-levels - (or gnus-group-default-list-level - gnus-level-subscribed)))) - gnus-group-default-list-level gnus-level-subscribed)) - (number-or-nil - level) - (t - (or level gnus-group-default-list-level gnus-level-subscribed)))) - -;;;###autoload -(defun gnus-slave-no-server (&optional arg) - "Read network news as a slave, without connecting to local server" - (interactive "P") - (gnus-no-server arg t)) - -;;;###autoload -(defun gnus-no-server (&optional arg slave) - "Read network news. -If ARG is a positive number, Gnus will use that as the -startup level. If ARG is nil, Gnus will be started at level 2. -If ARG is non-nil and not a positive number, Gnus will -prompt the user for the name of an NNTP server to use. -As opposed to `gnus', this command will not connect to the local server." - (interactive "P") - (let ((val (or arg (1- gnus-level-default-subscribed)))) - (gnus val t slave) - (make-local-variable 'gnus-group-use-permanent-levels) - (setq gnus-group-use-permanent-levels val))) - -;;;###autoload -(defun gnus-slave (&optional arg) - "Read news as a slave." - (interactive "P") - (gnus arg nil 'slave)) - -;;;###autoload -(defun gnus-other-frame (&optional arg) - "Pop up a frame to read news." - (interactive "P") - (if (get-buffer gnus-group-buffer) - (let ((pop-up-frames t)) - (gnus arg)) - (select-frame (make-frame)) - (gnus arg))) - -;;;###autoload -(defun gnus (&optional arg dont-connect slave) - "Read network news. -If ARG is non-nil and a positive number, Gnus will use that as the -startup level. If ARG is non-nil and not a positive number, Gnus will -prompt the user for the name of an NNTP server to use." - (interactive "P") - - (if (get-buffer gnus-group-buffer) - (progn - (switch-to-buffer gnus-group-buffer) - (gnus-group-get-new-news)) - - (gnus-clear-system) - (nnheader-init-server-buffer) - (gnus-read-init-file) - (setq gnus-slave slave) - - (gnus-group-setup-buffer) - (let ((buffer-read-only nil)) - (erase-buffer) - (if (not gnus-inhibit-startup-message) - (progn - (gnus-group-startup-message) - (sit-for 0)))) - - (let ((level (and (numberp arg) (> arg 0) arg)) - did-connect) - (unwind-protect - (progn - (or dont-connect - (setq did-connect - (gnus-start-news-server (and arg (not level)))))) - (if (and (not dont-connect) - (not did-connect)) - (gnus-group-quit) - (run-hooks 'gnus-startup-hook) - ;; NNTP server is successfully open. - - ;; Find the current startup file name. - (setq gnus-current-startup-file - (gnus-make-newsrc-file gnus-startup-file)) - - ;; Read the dribble file. - (when (or gnus-slave gnus-use-dribble-file) - (gnus-dribble-read-file)) - - ;; Allow using GroupLens predictions. - (when gnus-use-grouplens - (bbb-login) - (add-hook 'gnus-summary-mode-hook 'gnus-grouplens-mode)) - - (gnus-summary-make-display-table) - ;; Do the actual startup. - (gnus-setup-news nil level dont-connect) - ;; Generate the group buffer. - (gnus-group-list-groups level) - (gnus-group-first-unread-group) - (gnus-configure-windows 'group) - (gnus-group-set-mode-line)))))) - -(defun gnus-unload () - "Unload all Gnus features." - (interactive) - (or (boundp 'load-history) - (error "Sorry, `gnus-unload' is not implemented in this Emacs version.")) - (let ((history load-history) - feature) - (while history - (and (string-match "^\\(gnus\\|nn\\)" (caar history)) - (setq feature (cdr (assq 'provide (car history)))) - (unload-feature feature 'force)) - (setq history (cdr history))))) - -(defun gnus-compile () - "Byte-compile the user-defined format specs." - (interactive) - (let ((entries gnus-format-specs) - entry gnus-tmp-func) - (save-excursion - (gnus-message 7 "Compiling format specs...") - - (while entries - (setq entry (pop entries)) - (if (eq (car entry) 'version) - (setq gnus-format-specs (delq entry gnus-format-specs)) - (when (and (listp (caddr entry)) - (not (eq 'byte-code (caaddr entry)))) - (fset 'gnus-tmp-func - `(lambda () ,(caddr entry))) - (byte-compile 'gnus-tmp-func) - (setcar (cddr entry) (gnus-byte-code 'gnus-tmp-func))))) - - (push (cons 'version emacs-version) gnus-format-specs) - - (gnus-message 7 "Compiling user specs...done")))) - -(defun gnus-indent-rigidly (start end arg) - "Indent rigidly using only spaces and no tabs." - (save-excursion - (save-restriction - (narrow-to-region start end) - (indent-rigidly start end arg) - (goto-char (point-min)) - (while (search-forward "\t" nil t) - (replace-match " " t t))))) - -(defun gnus-group-startup-message (&optional x y) - "Insert startup message in current buffer." - ;; Insert the message. - (erase-buffer) - (insert - (format " %s - _ ___ _ _ - _ ___ __ ___ __ _ ___ - __ _ ___ __ ___ - _ ___ _ - _ _ __ _ - ___ __ _ - __ _ - _ _ _ - _ _ _ - _ _ _ - __ ___ - _ _ _ _ - _ _ - _ _ - _ _ - _ - __ - -" - "")) - ;; And then hack it. - (gnus-indent-rigidly (point-min) (point-max) - (/ (max (- (window-width) (or x 46)) 0) 2)) - (goto-char (point-min)) - (forward-line 1) - (let* ((pheight (count-lines (point-min) (point-max))) - (wheight (window-height)) - (rest (- wheight pheight))) - (insert (make-string (max 0 (* 2 (/ rest 3))) ?\n))) - ;; Fontify some. - (goto-char (point-min)) - (and (search-forward "Praxis" nil t) - (gnus-put-text-property (match-beginning 0) (match-end 0) 'face 'bold)) - (goto-char (point-min)) - (let* ((mode-string (gnus-group-set-mode-line))) - (setq mode-line-buffer-identification - (list (concat gnus-version (substring (car mode-string) 4)))) - (set-buffer-modified-p t))) - -(defun gnus-group-setup-buffer () - (or (get-buffer gnus-group-buffer) - (progn - (switch-to-buffer gnus-group-buffer) - (gnus-add-current-to-buffer-list) - (gnus-group-mode) - (and gnus-carpal (gnus-carpal-setup-buffer 'group))))) - -(defun gnus-group-list-groups (&optional level unread lowest) - "List newsgroups with level LEVEL or lower that have unread articles. -Default is all subscribed groups. -If argument UNREAD is non-nil, groups with no unread articles are also -listed." - (interactive (list (if current-prefix-arg - (prefix-numeric-value current-prefix-arg) - (or - (gnus-group-default-level nil t) - gnus-group-default-list-level - gnus-level-subscribed)))) - (or level - (setq level (car gnus-group-list-mode) - unread (cdr gnus-group-list-mode))) - (setq level (gnus-group-default-level level)) - (gnus-group-setup-buffer) ;May call from out of group buffer - (gnus-update-format-specifications) - (let ((case-fold-search nil) - (props (text-properties-at (gnus-point-at-bol))) - (group (gnus-group-group-name))) - (set-buffer gnus-group-buffer) - (funcall gnus-group-prepare-function level unread lowest) - (if (zerop (buffer-size)) - (gnus-message 5 gnus-no-groups-message) - (goto-char (point-max)) - (when (or (not gnus-group-goto-next-group-function) - (not (funcall gnus-group-goto-next-group-function - group props))) - (if (not group) - ;; Go to the first group with unread articles. - (gnus-group-search-forward t) - ;; Find the right group to put point on. If the current group - ;; has disappeared in the new listing, try to find the next - ;; one. If no next one can be found, just leave point at the - ;; first newsgroup in the buffer. - (if (not (gnus-goto-char - (text-property-any - (point-min) (point-max) - 'gnus-group (gnus-intern-safe group gnus-active-hashtb)))) - (let ((newsrc (cdddr (gnus-gethash group gnus-newsrc-hashtb)))) - (while (and newsrc - (not (gnus-goto-char - (text-property-any - (point-min) (point-max) 'gnus-group - (gnus-intern-safe - (caar newsrc) gnus-active-hashtb))))) - (setq newsrc (cdr newsrc))) - (or newsrc (progn (goto-char (point-max)) - (forward-line -1))))))) - ;; Adjust cursor point. - (gnus-group-position-point)))) - -(defun gnus-group-list-level (level &optional all) - "List groups on LEVEL. -If ALL (the prefix), also list groups that have no unread articles." - (interactive "nList groups on level: \nP") - (gnus-group-list-groups level all level)) - -(defun gnus-group-prepare-flat (level &optional all lowest regexp) - "List all newsgroups with unread articles of level LEVEL or lower. -If ALL is non-nil, list groups that have no unread articles. -If LOWEST is non-nil, list all newsgroups of level LOWEST or higher. -If REGEXP, only list groups matching REGEXP." - (set-buffer gnus-group-buffer) - (let ((buffer-read-only nil) - (newsrc (cdr gnus-newsrc-alist)) - (lowest (or lowest 1)) - info clevel unread group params) - (erase-buffer) - (if (< lowest gnus-level-zombie) - ;; List living groups. - (while newsrc - (setq info (car newsrc) - group (gnus-info-group info) - params (gnus-info-params info) - newsrc (cdr newsrc) - unread (car (gnus-gethash group gnus-newsrc-hashtb))) - (and unread ; This group might be bogus - (or (not regexp) - (string-match regexp group)) - (<= (setq clevel (gnus-info-level info)) level) - (>= clevel lowest) - (or all ; We list all groups? - (if (eq unread t) ; Unactivated? - gnus-group-list-inactive-groups ; We list unactivated - (> unread 0)) ; We list groups with unread articles - (and gnus-list-groups-with-ticked-articles - (cdr (assq 'tick (gnus-info-marks info)))) - ; And groups with tickeds - ;; Check for permanent visibility. - (and gnus-permanently-visible-groups - (string-match gnus-permanently-visible-groups - group)) - (memq 'visible params) - (cdr (assq 'visible params))) - (gnus-group-insert-group-line - group (gnus-info-level info) - (gnus-info-marks info) unread (gnus-info-method info))))) - - ;; List dead groups. - (and (>= level gnus-level-zombie) (<= lowest gnus-level-zombie) - (gnus-group-prepare-flat-list-dead - (setq gnus-zombie-list (sort gnus-zombie-list 'string<)) - gnus-level-zombie ?Z - regexp)) - (and (>= level gnus-level-killed) (<= lowest gnus-level-killed) - (gnus-group-prepare-flat-list-dead - (setq gnus-killed-list (sort gnus-killed-list 'string<)) - gnus-level-killed ?K regexp)) - - (gnus-group-set-mode-line) - (setq gnus-group-list-mode (cons level all)) - (run-hooks 'gnus-group-prepare-hook))) - -(defun gnus-group-prepare-flat-list-dead (groups level mark regexp) - ;; List zombies and killed lists somewhat faster, which was - ;; suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>. It does - ;; this by ignoring the group format specification altogether. - (let (group) - (if regexp - ;; This loop is used when listing groups that match some - ;; regexp. - (while groups - (setq group (pop groups)) - (when (string-match regexp group) - (gnus-add-text-properties - (point) (prog1 (1+ (point)) - (insert " " mark " *: " group "\n")) - (list 'gnus-group (gnus-intern-safe group gnus-active-hashtb) - 'gnus-unread t - 'gnus-level level)))) - ;; This loop is used when listing all groups. - (while groups - (gnus-add-text-properties - (point) (prog1 (1+ (point)) - (insert " " mark " *: " - (setq group (pop groups)) "\n")) - (list 'gnus-group (gnus-intern-safe group gnus-active-hashtb) - 'gnus-unread t - 'gnus-level level)))))) - -(defmacro gnus-group-real-name (group) - "Find the real name of a foreign newsgroup." - `(let ((gname ,group)) - (if (string-match ":[^:]+$" gname) - (substring gname (1+ (match-beginning 0))) - gname))) - -(defsubst gnus-server-add-address (method) - (let ((method-name (symbol-name (car method)))) - (if (and (memq 'address (assoc method-name gnus-valid-select-methods)) - (not (assq (intern (concat method-name "-address")) method))) - (append method (list (list (intern (concat method-name "-address")) - (nth 1 method)))) - method))) - -(defsubst gnus-server-get-method (group method) - ;; Input either a server name, and extended server name, or a - ;; select method, and return a select method. - (cond ((stringp method) - (gnus-server-to-method method)) - ((equal method gnus-select-method) - gnus-select-method) - ((and (stringp (car method)) group) - (gnus-server-extend-method group method)) - ((and method (not group) - (equal (cadr method) "")) - method) - (t - (gnus-server-add-address method)))) - -(defun gnus-server-to-method (server) - "Map virtual server names to select methods." - (or - ;; Is this a method, perhaps? - (and server (listp server) server) - ;; Perhaps this is the native server? - (and (equal server "native") gnus-select-method) - ;; It should be in the server alist. - (cdr (assoc server gnus-server-alist)) - ;; If not, we look through all the opened server - ;; to see whether we can find it there. - (let ((opened gnus-opened-servers)) - (while (and opened - (not (equal server (format "%s:%s" (caaar opened) - (cadaar opened))))) - (pop opened)) - (caar opened)))) - -(defmacro gnus-method-equal (ss1 ss2) - "Say whether two servers are equal." - `(let ((s1 ,ss1) - (s2 ,ss2)) - (or (equal s1 s2) - (and (= (length s1) (length s2)) - (progn - (while (and s1 (member (car s1) s2)) - (setq s1 (cdr s1))) - (null s1)))))) - -(defun gnus-server-equal (m1 m2) - "Say whether two methods are equal." - (let ((m1 (cond ((null m1) gnus-select-method) - ((stringp m1) (gnus-server-to-method m1)) - (t m1))) - (m2 (cond ((null m2) gnus-select-method) - ((stringp m2) (gnus-server-to-method m2)) - (t m2)))) - (gnus-method-equal m1 m2))) - -(defun gnus-servers-using-backend (backend) - "Return a list of known servers using BACKEND." - (let ((opened gnus-opened-servers) - out) - (while opened - (when (eq backend (caaar opened)) - (push (caar opened) out)) - (pop opened)) - out)) - -(defun gnus-archive-server-wanted-p () - "Say whether the user wants to use the archive server." - (cond - ((or (not gnus-message-archive-method) - (not gnus-message-archive-group)) - nil) - ((and gnus-message-archive-method gnus-message-archive-group) - t) - (t - (let ((active (cadr (assq 'nnfolder-active-file - gnus-message-archive-method)))) - (and active - (file-exists-p active)))))) - -(defun gnus-group-prefixed-name (group method) - "Return the whole name from GROUP and METHOD." - (and (stringp method) (setq method (gnus-server-to-method method))) - (concat (format "%s" (car method)) - (if (and - (or (assoc (format "%s" (car method)) - (gnus-methods-using 'address)) - (gnus-server-equal method gnus-message-archive-method)) - (nth 1 method) - (not (string= (nth 1 method) ""))) - (concat "+" (nth 1 method))) - ":" group)) - -(defun gnus-group-real-prefix (group) - "Return the prefix of the current group name." - (if (string-match "^[^:]+:" group) - (substring group 0 (match-end 0)) - "")) - -(defun gnus-group-method (group) - "Return the server or method used for selecting GROUP." - (let ((prefix (gnus-group-real-prefix group))) - (if (equal prefix "") - gnus-select-method - (let ((servers gnus-opened-servers) - (server "") - backend possible found) - (if (string-match "^[^\\+]+\\+" prefix) - (setq backend (intern (substring prefix 0 (1- (match-end 0)))) - server (substring prefix (match-end 0) (1- (length prefix)))) - (setq backend (intern (substring prefix 0 (1- (length prefix)))))) - (while servers - (when (eq (caaar servers) backend) - (setq possible (caar servers)) - (when (equal (cadaar servers) server) - (setq found (caar servers)))) - (pop servers)) - (or (car (rassoc found gnus-server-alist)) - found - (car (rassoc possible gnus-server-alist)) - possible - (list backend server)))))) - -(defsubst gnus-secondary-method-p (method) - "Return whether METHOD is a secondary select method." - (let ((methods gnus-secondary-select-methods) - (gmethod (gnus-server-get-method nil method))) - (while (and methods - (not (equal (gnus-server-get-method nil (car methods)) - gmethod))) - (setq methods (cdr methods))) - methods)) - -(defun gnus-group-foreign-p (group) - "Say whether a group is foreign or not." - (and (not (gnus-group-native-p group)) - (not (gnus-group-secondary-p group)))) - -(defun gnus-group-native-p (group) - "Say whether the group is native or not." - (not (string-match ":" group))) - -(defun gnus-group-secondary-p (group) - "Say whether the group is secondary or not." - (gnus-secondary-method-p (gnus-find-method-for-group group))) - -(defun gnus-group-get-parameter (group &optional symbol) - "Returns the group parameters for GROUP. -If SYMBOL, return the value of that symbol in the group parameters." - (let ((params (gnus-info-params (gnus-get-info group)))) - (if symbol - (gnus-group-parameter-value params symbol) - params))) - -(defun gnus-group-parameter-value (params symbol) - "Return the value of SYMBOL in group PARAMS." - (or (car (memq symbol params)) ; It's either a simple symbol - (cdr (assq symbol params)))) ; or a cons. - -(defun gnus-group-add-parameter (group param) - "Add parameter PARAM to GROUP." - (let ((info (gnus-get-info group))) - (if (not info) - () ; This is a dead group. We just ignore it. - ;; Cons the new param to the old one and update. - (gnus-group-set-info (cons param (gnus-info-params info)) - group 'params)))) - -(defun gnus-group-set-parameter (group name value) - "Set parameter NAME to VALUE in GROUP." - (let ((info (gnus-get-info group))) - (if (not info) - () ; This is a dead group. We just ignore it. - (let ((old-params (gnus-info-params info)) - (new-params (list (cons name value)))) - (while old-params - (if (or (not (listp (car old-params))) - (not (eq (caar old-params) name))) - (setq new-params (append new-params (list (car old-params))))) - (setq old-params (cdr old-params))) - (gnus-group-set-info new-params group 'params))))) - -(defun gnus-group-add-score (group &optional score) - "Add SCORE to the GROUP score. -If SCORE is nil, add 1 to the score of GROUP." - (let ((info (gnus-get-info group))) - (when info - (gnus-info-set-score info (+ (gnus-info-score info) (or score 1)))))) - -(defun gnus-summary-bubble-group () - "Increase the score of the current group. -This is a handy function to add to `gnus-summary-exit-hook' to -increase the score of each group you read." - (gnus-group-add-score gnus-newsgroup-name)) - -(defun gnus-group-set-info (info &optional method-only-group part) - (let* ((entry (gnus-gethash - (or method-only-group (gnus-info-group info)) - gnus-newsrc-hashtb)) - (part-info info) - (info (if method-only-group (nth 2 entry) info)) - method) - (when method-only-group - (unless entry - (error "Trying to change non-existent group %s" method-only-group)) - ;; We have received parts of the actual group info - either the - ;; select method or the group parameters. We first check - ;; whether we have to extend the info, and if so, do that. - (let ((len (length info)) - (total (if (eq part 'method) 5 6))) - (when (< len total) - (setcdr (nthcdr (1- len) info) - (make-list (- total len) nil))) - ;; Then we enter the new info. - (setcar (nthcdr (1- total) info) part-info))) - (unless entry - ;; This is a new group, so we just create it. - (save-excursion - (set-buffer gnus-group-buffer) - (setq method (gnus-info-method info)) - (when (gnus-server-equal method "native") - (setq method nil)) - (save-excursion - (set-buffer gnus-group-buffer) - (if method - ;; It's a foreign group... - (gnus-group-make-group - (gnus-group-real-name (gnus-info-group info)) - (if (stringp method) method - (prin1-to-string (car method))) - (and (consp method) - (nth 1 (gnus-info-method info)))) - ;; It's a native group. - (gnus-group-make-group (gnus-info-group info)))) - (gnus-message 6 "Note: New group created") - (setq entry - (gnus-gethash (gnus-group-prefixed-name - (gnus-group-real-name (gnus-info-group info)) - (or (gnus-info-method info) gnus-select-method)) - gnus-newsrc-hashtb)))) - ;; Whether it was a new group or not, we now have the entry, so we - ;; can do the update. - (if entry - (progn - (setcar (nthcdr 2 entry) info) - (when (and (not (eq (car entry) t)) - (gnus-active (gnus-info-group info))) - (setcar entry (length (gnus-list-of-unread-articles (car info)))))) - (error "No such group: %s" (gnus-info-group info))))) - -(defun gnus-group-set-method-info (group select-method) - (gnus-group-set-info select-method group 'method)) - -(defun gnus-group-set-params-info (group params) - (gnus-group-set-info params group 'params)) - -(defun gnus-group-update-group-line () - "Update the current line in the group buffer." - (let* ((buffer-read-only nil) - (group (gnus-group-group-name)) - (entry (and group (gnus-gethash group gnus-newsrc-hashtb))) - gnus-group-indentation) - (when group - (and entry - (not (gnus-ephemeral-group-p group)) - (gnus-dribble-enter - (concat "(gnus-group-set-info '" - (prin1-to-string (nth 2 entry)) ")"))) - (setq gnus-group-indentation (gnus-group-group-indentation)) - (gnus-delete-line) - (gnus-group-insert-group-line-info group) - (forward-line -1) - (gnus-group-position-point)))) - -(defun gnus-group-insert-group-line-info (group) - "Insert GROUP on the current line." - (let ((entry (gnus-gethash group gnus-newsrc-hashtb)) - active info) - (if entry - (progn - ;; (Un)subscribed group. - (setq info (nth 2 entry)) - (gnus-group-insert-group-line - group (gnus-info-level info) (gnus-info-marks info) - (or (car entry) t) (gnus-info-method info))) - ;; This group is dead. - (gnus-group-insert-group-line - group - (if (member group gnus-zombie-list) gnus-level-zombie gnus-level-killed) - nil - (if (setq active (gnus-active group)) - (- (1+ (cdr active)) (car active)) 0) - nil)))) - -(defun gnus-group-insert-group-line (gnus-tmp-group gnus-tmp-level - gnus-tmp-marked number - gnus-tmp-method) - "Insert a group line in the group buffer." - (let* ((gnus-tmp-active (gnus-active gnus-tmp-group)) - (gnus-tmp-number-total - (if gnus-tmp-active - (1+ (- (cdr gnus-tmp-active) (car gnus-tmp-active))) - 0)) - (gnus-tmp-number-of-unread - (if (numberp number) (int-to-string (max 0 number)) - "*")) - (gnus-tmp-number-of-read - (if (numberp number) - (int-to-string (max 0 (- gnus-tmp-number-total number))) - "*")) - (gnus-tmp-subscribed - (cond ((<= gnus-tmp-level gnus-level-subscribed) ? ) - ((<= gnus-tmp-level gnus-level-unsubscribed) ?U) - ((= gnus-tmp-level gnus-level-zombie) ?Z) - (t ?K))) - (gnus-tmp-qualified-group (gnus-group-real-name gnus-tmp-group)) - (gnus-tmp-newsgroup-description - (if gnus-description-hashtb - (or (gnus-gethash gnus-tmp-group gnus-description-hashtb) "") - "")) - (gnus-tmp-moderated - (if (member gnus-tmp-group gnus-moderated-list) ?m ? )) - (gnus-tmp-moderated-string - (if (eq gnus-tmp-moderated ?m) "(m)" "")) - (gnus-tmp-method - (gnus-server-get-method gnus-tmp-group gnus-tmp-method)) - (gnus-tmp-news-server (or (cadr gnus-tmp-method) "")) - (gnus-tmp-news-method (or (car gnus-tmp-method) "")) - (gnus-tmp-news-method-string - (if gnus-tmp-method - (format "(%s:%s)" (car gnus-tmp-method) - (cadr gnus-tmp-method)) "")) - (gnus-tmp-marked-mark - (if (and (numberp number) - (zerop number) - (cdr (assq 'tick gnus-tmp-marked))) - ?* ? )) - (gnus-tmp-process-marked - (if (member gnus-tmp-group gnus-group-marked) - gnus-process-mark ? )) - (gnus-tmp-grouplens - (or (and gnus-use-grouplens - (bbb-grouplens-group-p gnus-tmp-group)) - "")) - (buffer-read-only nil) - header gnus-tmp-header) ; passed as parameter to user-funcs. - (beginning-of-line) - (gnus-add-text-properties - (point) - (prog1 (1+ (point)) - ;; Insert the text. - (eval gnus-group-line-format-spec)) - `(gnus-group ,(gnus-intern-safe gnus-tmp-group gnus-active-hashtb) - gnus-unread ,(if (numberp number) - (string-to-int gnus-tmp-number-of-unread) - t) - gnus-marked ,gnus-tmp-marked-mark - gnus-indentation ,gnus-group-indentation - gnus-level ,gnus-tmp-level)) - (when (inline (gnus-visual-p 'group-highlight 'highlight)) - (forward-line -1) - (run-hooks 'gnus-group-update-hook) - (forward-line)) - ;; Allow XEmacs to remove front-sticky text properties. - (gnus-group-remove-excess-properties))) - -(defun gnus-group-update-group (group &optional visible-only) - "Update all lines where GROUP appear. -If VISIBLE-ONLY is non-nil, the group won't be displayed if it isn't -already." - (save-excursion - (set-buffer gnus-group-buffer) - ;; The buffer may be narrowed. - (save-restriction - (widen) - (let ((ident (gnus-intern-safe group gnus-active-hashtb)) - (loc (point-min)) - found buffer-read-only) - ;; Enter the current status into the dribble buffer. - (let ((entry (gnus-gethash group gnus-newsrc-hashtb))) - (if (and entry (not (gnus-ephemeral-group-p group))) - (gnus-dribble-enter - (concat "(gnus-group-set-info '" (prin1-to-string (nth 2 entry)) - ")")))) - ;; Find all group instances. If topics are in use, each group - ;; may be listed in more than once. - (while (setq loc (text-property-any - loc (point-max) 'gnus-group ident)) - (setq found t) - (goto-char loc) - (let ((gnus-group-indentation (gnus-group-group-indentation))) - (gnus-delete-line) - (gnus-group-insert-group-line-info group) - (save-excursion - (forward-line -1) - (run-hooks 'gnus-group-update-group-hook))) - (setq loc (1+ loc))) - (unless (or found visible-only) - ;; No such line in the buffer, find out where it's supposed to - ;; go, and insert it there (or at the end of the buffer). - (if gnus-goto-missing-group-function - (funcall gnus-goto-missing-group-function group) - (let ((entry (cddr (gnus-gethash group gnus-newsrc-hashtb)))) - (while (and entry (car entry) - (not - (gnus-goto-char - (text-property-any - (point-min) (point-max) - 'gnus-group (gnus-intern-safe - (caar entry) gnus-active-hashtb))))) - (setq entry (cdr entry))) - (or entry (goto-char (point-max))))) - ;; Finally insert the line. - (let ((gnus-group-indentation (gnus-group-group-indentation))) - (gnus-group-insert-group-line-info group) - (save-excursion - (forward-line -1) - (run-hooks 'gnus-group-update-group-hook)))) - (gnus-group-set-mode-line))))) - -(defun gnus-group-set-mode-line () - "Update the mode line in the group buffer." - (when (memq 'group gnus-updated-mode-lines) - ;; Yes, we want to keep this mode line updated. - (save-excursion - (set-buffer gnus-group-buffer) - (let* ((gformat (or gnus-group-mode-line-format-spec - (setq gnus-group-mode-line-format-spec - (gnus-parse-format - gnus-group-mode-line-format - gnus-group-mode-line-format-alist)))) - (gnus-tmp-news-server (cadr gnus-select-method)) - (gnus-tmp-news-method (car gnus-select-method)) - (gnus-tmp-colon (if (equal gnus-tmp-news-server "") "" ":")) - (max-len 60) - gnus-tmp-header ;Dummy binding for user-defined formats - ;; Get the resulting string. - (modified - (and gnus-dribble-buffer - (buffer-name gnus-dribble-buffer) - (buffer-modified-p gnus-dribble-buffer) - (save-excursion - (set-buffer gnus-dribble-buffer) - (not (zerop (buffer-size)))))) - (mode-string (eval gformat))) - ;; Say whether the dribble buffer has been modified. - (setq mode-line-modified - (if modified "---*- " "----- ")) - ;; If the line is too long, we chop it off. - (when (> (length mode-string) max-len) - (setq mode-string (substring mode-string 0 (- max-len 4)))) - (prog1 - (setq mode-line-buffer-identification - (gnus-mode-line-buffer-identification - (list mode-string))) - (set-buffer-modified-p modified)))))) - -(defun gnus-group-group-name () - "Get the name of the newsgroup on the current line." - (let ((group (get-text-property (gnus-point-at-bol) 'gnus-group))) - (and group (symbol-name group)))) - -(defun gnus-group-group-level () - "Get the level of the newsgroup on the current line." - (get-text-property (gnus-point-at-bol) 'gnus-level)) - -(defun gnus-group-group-indentation () - "Get the indentation of the newsgroup on the current line." - (or (get-text-property (gnus-point-at-bol) 'gnus-indentation) - (and gnus-group-indentation-function - (funcall gnus-group-indentation-function)) - "")) - -(defun gnus-group-group-unread () - "Get the number of unread articles of the newsgroup on the current line." - (get-text-property (gnus-point-at-bol) 'gnus-unread)) - -(defun gnus-group-search-forward (&optional backward all level first-too) - "Find the next newsgroup with unread articles. -If BACKWARD is non-nil, find the previous newsgroup instead. -If ALL is non-nil, just find any newsgroup. -If LEVEL is non-nil, find group with level LEVEL, or higher if no such -group exists. -If FIRST-TOO, the current line is also eligible as a target." - (let ((way (if backward -1 1)) - (low gnus-level-killed) - (beg (point)) - pos found lev) - (if (and backward (progn (beginning-of-line)) (bobp)) - nil - (or first-too (forward-line way)) - (while (and - (not (eobp)) - (not (setq - found - (and (or all - (and - (let ((unread - (get-text-property (point) 'gnus-unread))) - (and (numberp unread) (> unread 0))) - (setq lev (get-text-property (point) - 'gnus-level)) - (<= lev gnus-level-subscribed))) - (or (not level) - (and (setq lev (get-text-property (point) - 'gnus-level)) - (or (= lev level) - (and (< lev low) - (< level lev) - (progn - (setq low lev) - (setq pos (point)) - nil)))))))) - (zerop (forward-line way))))) - (if found - (progn (gnus-group-position-point) t) - (goto-char (or pos beg)) - (and pos t)))) - -;;; Gnus group mode commands - -;; Group marking. - -(defun gnus-group-mark-group (n &optional unmark no-advance) - "Mark the current group." - (interactive "p") - (let ((buffer-read-only nil) - group) - (while (and (> n 0) - (not (eobp))) - (when (setq group (gnus-group-group-name)) - ;; Update the mark. - (beginning-of-line) - (forward-char - (or (cdr (assq 'process gnus-group-mark-positions)) 2)) - (delete-char 1) - (if unmark - (progn - (insert " ") - (setq gnus-group-marked (delete group gnus-group-marked))) - (insert "#") - (setq gnus-group-marked - (cons group (delete group gnus-group-marked))))) - (or no-advance (gnus-group-next-group 1)) - (decf n)) - (gnus-summary-position-point) - n)) - -(defun gnus-group-unmark-group (n) - "Remove the mark from the current group." - (interactive "p") - (gnus-group-mark-group n 'unmark) - (gnus-group-position-point)) - -(defun gnus-group-unmark-all-groups () - "Unmark all groups." - (interactive) - (let ((groups gnus-group-marked)) - (save-excursion - (while groups - (gnus-group-remove-mark (pop groups))))) - (gnus-group-position-point)) - -(defun gnus-group-mark-region (unmark beg end) - "Mark all groups between point and mark. -If UNMARK, remove the mark instead." - (interactive "P\nr") - (let ((num (count-lines beg end))) - (save-excursion - (goto-char beg) - (- num (gnus-group-mark-group num unmark))))) - -(defun gnus-group-mark-buffer (&optional unmark) - "Mark all groups in the buffer. -If UNMARK, remove the mark instead." - (interactive "P") - (gnus-group-mark-region unmark (point-min) (point-max))) - -(defun gnus-group-mark-regexp (regexp) - "Mark all groups that match some regexp." - (interactive "sMark (regexp): ") - (let ((alist (cdr gnus-newsrc-alist)) - group) - (while alist - (when (string-match regexp (setq group (gnus-info-group (pop alist)))) - (gnus-group-set-mark group)))) - (gnus-group-position-point)) - -(defun gnus-group-remove-mark (group) - "Remove the process mark from GROUP and move point there. -Return nil if the group isn't displayed." - (if (gnus-group-goto-group group) - (save-excursion - (gnus-group-mark-group 1 'unmark t) - t) - (setq gnus-group-marked - (delete group gnus-group-marked)) - nil)) - -(defun gnus-group-set-mark (group) - "Set the process mark on GROUP." - (if (gnus-group-goto-group group) - (save-excursion - (gnus-group-mark-group 1 nil t)) - (setq gnus-group-marked (cons group (delete group gnus-group-marked))))) - -(defun gnus-group-universal-argument (arg &optional groups func) - "Perform any command on all groups accoring to the process/prefix convention." - (interactive "P") - (let ((groups (or groups (gnus-group-process-prefix arg))) - group func) - (if (eq (setq func (or func - (key-binding - (read-key-sequence - (substitute-command-keys - "\\<gnus-group-mode-map>\\[gnus-group-universal-argument]"))))) - 'undefined) - (gnus-error 1 "Undefined key") - (while groups - (gnus-group-remove-mark (setq group (pop groups))) - (command-execute func)))) - (gnus-group-position-point)) - -(defun gnus-group-process-prefix (n) - "Return a list of groups to work on. -Take into consideration N (the prefix) and the list of marked groups." - (cond - (n - (setq n (prefix-numeric-value n)) - ;; There is a prefix, so we return a list of the N next - ;; groups. - (let ((way (if (< n 0) -1 1)) - (n (abs n)) - group groups) - (save-excursion - (while (and (> n 0) - (setq group (gnus-group-group-name))) - (setq groups (cons group groups)) - (setq n (1- n)) - (gnus-group-next-group way))) - (nreverse groups))) - ((and (boundp 'transient-mark-mode) - transient-mark-mode - (boundp 'mark-active) - mark-active) - ;; Work on the region between point and mark. - (let ((max (max (point) (mark))) - groups) - (save-excursion - (goto-char (min (point) (mark))) - (while - (and - (push (gnus-group-group-name) groups) - (zerop (gnus-group-next-group 1)) - (< (point) max))) - (nreverse groups)))) - (gnus-group-marked - ;; No prefix, but a list of marked articles. - (reverse gnus-group-marked)) - (t - ;; Neither marked articles or a prefix, so we return the - ;; current group. - (let ((group (gnus-group-group-name))) - (and group (list group)))))) - -;; Selecting groups. - -(defun gnus-group-read-group (&optional all no-article group) - "Read news in this newsgroup. -If the prefix argument ALL is non-nil, already read articles become -readable. IF ALL is a number, fetch this number of articles. If the -optional argument NO-ARTICLE is non-nil, no article will be -auto-selected upon group entry. If GROUP is non-nil, fetch that -group." - (interactive "P") - (let ((group (or group (gnus-group-group-name))) - number active marked entry) - (or group (error "No group on current line")) - (setq marked (nth 3 (nth 2 (setq entry (gnus-gethash - group gnus-newsrc-hashtb))))) - ;; This group might be a dead group. In that case we have to get - ;; the number of unread articles from `gnus-active-hashtb'. - (setq number - (cond ((numberp all) all) - (entry (car entry)) - ((setq active (gnus-active group)) - (- (1+ (cdr active)) (car active))))) - (gnus-summary-read-group - group (or all (and (numberp number) - (zerop (+ number (gnus-range-length - (cdr (assq 'tick marked))) - (gnus-range-length - (cdr (assq 'dormant marked))))))) - no-article))) - -(defun gnus-group-select-group (&optional all) - "Select this newsgroup. -No article is selected automatically. -If ALL is non-nil, already read articles become readable. -If ALL is a number, fetch this number of articles." - (interactive "P") - (gnus-group-read-group all t)) - -(defun gnus-group-quick-select-group (&optional all) - "Select the current group \"quickly\". -This means that no highlighting or scoring will be performed." - (interactive "P") - (let (gnus-visual - gnus-score-find-score-files-function - gnus-apply-kill-hook - gnus-summary-expunge-below) - (gnus-group-read-group all t))) - -(defun gnus-group-visible-select-group (&optional all) - "Select the current group without hiding any articles." - (interactive "P") - (let ((gnus-inhibit-limiting t)) - (gnus-group-read-group all t))) - -;;;###autoload -(defun gnus-fetch-group (group) - "Start Gnus if necessary and enter GROUP. -Returns whether the fetching was successful or not." - (interactive "sGroup name: ") - (or (get-buffer gnus-group-buffer) - (gnus)) - (gnus-group-read-group nil nil group)) - -;; Enter a group that is not in the group buffer. Non-nil is returned -;; if selection was successful. -(defun gnus-group-read-ephemeral-group - (group method &optional activate quit-config) - (let ((group (if (gnus-group-foreign-p group) group - (gnus-group-prefixed-name group method)))) - (gnus-sethash - group - `(t nil (,group ,gnus-level-default-subscribed nil nil ,method - ((quit-config . ,(if quit-config quit-config - (cons (current-buffer) 'summary)))))) - gnus-newsrc-hashtb) - (set-buffer gnus-group-buffer) - (or (gnus-check-server method) - (error "Unable to contact server: %s" (gnus-status-message method))) - (if activate (or (gnus-request-group group) - (error "Couldn't request group"))) - (condition-case () - (gnus-group-read-group t t group) - (error nil) - (quit nil)))) - -(defun gnus-group-jump-to-group (group) - "Jump to newsgroup GROUP." - (interactive - (list (completing-read - "Group: " gnus-active-hashtb nil - (gnus-read-active-file-p) - nil - 'gnus-group-history))) - - (when (equal group "") - (error "Empty group name")) - - (when (string-match "[\000-\032]" group) - (error "Control characters in group: %s" group)) - - (let ((b (text-property-any - (point-min) (point-max) - 'gnus-group (gnus-intern-safe group gnus-active-hashtb)))) - (unless (gnus-ephemeral-group-p group) - (if b - ;; Either go to the line in the group buffer... - (goto-char b) - ;; ... or insert the line. - (or - (gnus-active group) - (gnus-activate-group group) - (error "%s error: %s" group (gnus-status-message group))) - - (gnus-group-update-group group) - (goto-char (text-property-any - (point-min) (point-max) - 'gnus-group (gnus-intern-safe group gnus-active-hashtb))))) - ;; Adjust cursor point. - (gnus-group-position-point))) - -(defun gnus-group-goto-group (group) - "Goto to newsgroup GROUP." - (when group - (let ((b (text-property-any (point-min) (point-max) - 'gnus-group (gnus-intern-safe - group gnus-active-hashtb)))) - (and b (goto-char b))))) - -(defun gnus-group-next-group (n) - "Go to next N'th newsgroup. -If N is negative, search backward instead. -Returns the difference between N and the number of skips actually -done." - (interactive "p") - (gnus-group-next-unread-group n t)) - -(defun gnus-group-next-unread-group (n &optional all level) - "Go to next N'th unread newsgroup. -If N is negative, search backward instead. -If ALL is non-nil, choose any newsgroup, unread or not. -If LEVEL is non-nil, choose the next group with level LEVEL, or, if no -such group can be found, the next group with a level higher than -LEVEL. -Returns the difference between N and the number of skips actually -made." - (interactive "p") - (let ((backward (< n 0)) - (n (abs n))) - (while (and (> n 0) - (gnus-group-search-forward - backward (or (not gnus-group-goto-unread) all) level)) - (setq n (1- n))) - (if (/= 0 n) (gnus-message 7 "No more%s newsgroups%s" (if all "" " unread") - (if level " on this level or higher" ""))) - n)) - -(defun gnus-group-prev-group (n) - "Go to previous N'th newsgroup. -Returns the difference between N and the number of skips actually -done." - (interactive "p") - (gnus-group-next-unread-group (- n) t)) - -(defun gnus-group-prev-unread-group (n) - "Go to previous N'th unread newsgroup. -Returns the difference between N and the number of skips actually -done." - (interactive "p") - (gnus-group-next-unread-group (- n))) - -(defun gnus-group-next-unread-group-same-level (n) - "Go to next N'th unread newsgroup on the same level. -If N is negative, search backward instead. -Returns the difference between N and the number of skips actually -done." - (interactive "p") - (gnus-group-next-unread-group n t (gnus-group-group-level)) - (gnus-group-position-point)) - -(defun gnus-group-prev-unread-group-same-level (n) - "Go to next N'th unread newsgroup on the same level. -Returns the difference between N and the number of skips actually -done." - (interactive "p") - (gnus-group-next-unread-group (- n) t (gnus-group-group-level)) - (gnus-group-position-point)) - -(defun gnus-group-best-unread-group (&optional exclude-group) - "Go to the group with the highest level. -If EXCLUDE-GROUP, do not go to that group." - (interactive) - (goto-char (point-min)) - (let ((best 100000) - unread best-point) - (while (not (eobp)) - (setq unread (get-text-property (point) 'gnus-unread)) - (if (and (numberp unread) (> unread 0)) - (progn - (if (and (get-text-property (point) 'gnus-level) - (< (get-text-property (point) 'gnus-level) best) - (or (not exclude-group) - (not (equal exclude-group (gnus-group-group-name))))) - (progn - (setq best (get-text-property (point) 'gnus-level)) - (setq best-point (point)))))) - (forward-line 1)) - (if best-point (goto-char best-point)) - (gnus-summary-position-point) - (and best-point (gnus-group-group-name)))) - -(defun gnus-group-first-unread-group () - "Go to the first group with unread articles." - (interactive) - (prog1 - (let ((opoint (point)) - unread) - (goto-char (point-min)) - (if (or (eq (setq unread (gnus-group-group-unread)) t) ; Not active. - (and (numberp unread) ; Not a topic. - (not (zerop unread))) ; Has unread articles. - (zerop (gnus-group-next-unread-group 1))) ; Next unread group. - (point) ; Success. - (goto-char opoint) - nil)) ; Not success. - (gnus-group-position-point))) - -(defun gnus-group-enter-server-mode () - "Jump to the server buffer." - (interactive) - (gnus-enter-server-buffer)) - -(defun gnus-group-make-group (name &optional method address) - "Add a new newsgroup. -The user will be prompted for a NAME, for a select METHOD, and an -ADDRESS." - (interactive - (cons - (read-string "Group name: ") - (let ((method - (completing-read - "Method: " (append gnus-valid-select-methods gnus-server-alist) - nil t nil 'gnus-method-history))) - (cond ((assoc method gnus-valid-select-methods) - (list method - (if (memq 'prompt-address - (assoc method gnus-valid-select-methods)) - (read-string "Address: ") - ""))) - ((assoc method gnus-server-alist) - (list method)) - (t - (list method "")))))) - - (let* ((meth (and method (if address (list (intern method) address) - method))) - (nname (if method (gnus-group-prefixed-name name meth) name)) - backend info) - (when (gnus-gethash nname gnus-newsrc-hashtb) - (error "Group %s already exists" nname)) - ;; Subscribe to the new group. - (gnus-group-change-level - (setq info (list t nname gnus-level-default-subscribed nil nil meth)) - gnus-level-default-subscribed gnus-level-killed - (and (gnus-group-group-name) - (gnus-gethash (gnus-group-group-name) - gnus-newsrc-hashtb)) - t) - ;; Make it active. - (gnus-set-active nname (cons 1 0)) - (or (gnus-ephemeral-group-p name) - (gnus-dribble-enter - (concat "(gnus-group-set-info '" (prin1-to-string (cdr info)) ")"))) - ;; Insert the line. - (gnus-group-insert-group-line-info nname) - (forward-line -1) - (gnus-group-position-point) - - ;; Load the backend and try to make the backend create - ;; the group as well. - (when (assoc (symbol-name (setq backend (car (gnus-server-get-method - nil meth)))) - gnus-valid-select-methods) - (require backend)) - (gnus-check-server meth) - (and (gnus-check-backend-function 'request-create-group nname) - (gnus-request-create-group nname)) - t)) - -(defun gnus-group-delete-group (group &optional force) - "Delete the current group. Only meaningful with mail groups. -If FORCE (the prefix) is non-nil, all the articles in the group will -be deleted. This is \"deleted\" as in \"removed forever from the face -of the Earth\". There is no undo. The user will be prompted before -doing the deletion." - (interactive - (list (gnus-group-group-name) - current-prefix-arg)) - (or group (error "No group to rename")) - (or (gnus-check-backend-function 'request-delete-group group) - (error "This backend does not support group deletion")) - (prog1 - (if (not (gnus-yes-or-no-p - (format - "Do you really want to delete %s%s? " - group (if force " and all its contents" "")))) - () ; Whew! - (gnus-message 6 "Deleting group %s..." group) - (if (not (gnus-request-delete-group group force)) - (gnus-error 3 "Couldn't delete group %s" group) - (gnus-message 6 "Deleting group %s...done" group) - (gnus-group-goto-group group) - (gnus-group-kill-group 1 t) - (gnus-sethash group nil gnus-active-hashtb) - t)) - (gnus-group-position-point))) - -(defun gnus-group-rename-group (group new-name) - (interactive - (list - (gnus-group-group-name) - (progn - (or (gnus-check-backend-function - 'request-rename-group (gnus-group-group-name)) - (error "This backend does not support renaming groups")) - (read-string "New group name: ")))) - - (or (gnus-check-backend-function 'request-rename-group group) - (error "This backend does not support renaming groups")) - - (or group (error "No group to rename")) - (and (string-match "^[ \t]*$" new-name) - (error "Not a valid group name")) - - ;; We find the proper prefixed name. - (setq new-name - (gnus-group-prefixed-name - (gnus-group-real-name new-name) - (gnus-info-method (gnus-get-info group)))) - - (gnus-message 6 "Renaming group %s to %s..." group new-name) - (prog1 - (if (not (gnus-request-rename-group group new-name)) - (gnus-error 3 "Couldn't rename group %s to %s" group new-name) - ;; We rename the group internally by killing it... - (gnus-group-goto-group group) - (gnus-group-kill-group) - ;; ... changing its name ... - (setcar (cdar gnus-list-of-killed-groups) new-name) - ;; ... and then yanking it. Magic! - (gnus-group-yank-group) - (gnus-set-active new-name (gnus-active group)) - (gnus-message 6 "Renaming group %s to %s...done" group new-name) - new-name) - (gnus-group-position-point))) - -(defun gnus-group-edit-group (group &optional part) - "Edit the group on the current line." - (interactive (list (gnus-group-group-name))) - (let* ((part (or part 'info)) - (done-func `(lambda () - "Exit editing mode and update the information." - (interactive) - (gnus-group-edit-group-done ',part ,group))) - (winconf (current-window-configuration)) - info) - (or group (error "No group on current line")) - (or (setq info (gnus-get-info group)) - (error "Killed group; can't be edited")) - (set-buffer (get-buffer-create gnus-group-edit-buffer)) - (gnus-configure-windows 'edit-group) - (gnus-add-current-to-buffer-list) - (emacs-lisp-mode) - ;; Suggested by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>. - (use-local-map (copy-keymap emacs-lisp-mode-map)) - (local-set-key "\C-c\C-c" done-func) - (make-local-variable 'gnus-prev-winconf) - (setq gnus-prev-winconf winconf) - (erase-buffer) - (insert - (cond - ((eq part 'method) - ";; Type `C-c C-c' after editing the select method.\n\n") - ((eq part 'params) - ";; Type `C-c C-c' after editing the group parameters.\n\n") - ((eq part 'info) - ";; Type `C-c C-c' after editing the group info.\n\n"))) - (insert - (pp-to-string - (cond ((eq part 'method) - (or (gnus-info-method info) "native")) - ((eq part 'params) - (gnus-info-params info)) - (t info))) - "\n"))) - -(defun gnus-group-edit-group-method (group) - "Edit the select method of GROUP." - (interactive (list (gnus-group-group-name))) - (gnus-group-edit-group group 'method)) - -(defun gnus-group-edit-group-parameters (group) - "Edit the group parameters of GROUP." - (interactive (list (gnus-group-group-name))) - (gnus-group-edit-group group 'params)) - -(defun gnus-group-edit-group-done (part group) - "Get info from buffer, update variables and jump to the group buffer." - (set-buffer (get-buffer-create gnus-group-edit-buffer)) - (goto-char (point-min)) - (let* ((form (read (current-buffer))) - (winconf gnus-prev-winconf) - (method (cond ((eq part 'info) (nth 4 form)) - ((eq part 'method) form) - (t nil))) - (info (cond ((eq part 'info) form) - ((eq part 'method) (gnus-get-info group)) - (t nil))) - (new-group (if info - (if (or (not method) - (gnus-server-equal - gnus-select-method method)) - (gnus-group-real-name (car info)) - (gnus-group-prefixed-name - (gnus-group-real-name (car info)) method)) - nil))) - (when (and new-group - (not (equal new-group group))) - (when (gnus-group-goto-group group) - (gnus-group-kill-group 1)) - (gnus-activate-group new-group)) - ;; Set the info. - (if (and info new-group) - (progn - (setq info (gnus-copy-sequence info)) - (setcar info new-group) - (unless (gnus-server-equal method "native") - (unless (nthcdr 3 info) - (nconc info (list nil nil))) - (unless (nthcdr 4 info) - (nconc info (list nil))) - (gnus-info-set-method info method)) - (gnus-group-set-info info)) - (gnus-group-set-info form (or new-group group) part)) - (kill-buffer (current-buffer)) - (and winconf (set-window-configuration winconf)) - (set-buffer gnus-group-buffer) - (gnus-group-update-group (or new-group group)) - (gnus-group-position-point))) - -(defun gnus-group-make-help-group () - "Create the Gnus documentation group." - (interactive) - (let ((path load-path) - (name (gnus-group-prefixed-name "gnus-help" '(nndoc "gnus-help"))) - file dir) - (and (gnus-gethash name gnus-newsrc-hashtb) - (error "Documentation group already exists")) - (while path - (setq dir (file-name-as-directory (expand-file-name (pop path))) - file nil) - (when (or (file-exists-p (setq file (concat dir "gnus-tut.txt"))) - (file-exists-p - (setq file (concat (file-name-directory - (directory-file-name dir)) - "etc/gnus-tut.txt")))) - (setq path nil))) - (if (not file) - (gnus-message 1 "Couldn't find doc group") - (gnus-group-make-group - (gnus-group-real-name name) - (list 'nndoc "gnus-help" - (list 'nndoc-address file) - (list 'nndoc-article-type 'mbox))))) - (gnus-group-position-point)) - -(defun gnus-group-make-doc-group (file type) - "Create a group that uses a single file as the source." - (interactive - (list (read-file-name "File name: ") - (and current-prefix-arg 'ask))) - (when (eq type 'ask) - (let ((err "") - char found) - (while (not found) - (message - "%sFile type (mbox, babyl, digest, forward, mmfd, guess) [mbdfag]: " - err) - (setq found (cond ((= (setq char (read-char)) ?m) 'mbox) - ((= char ?b) 'babyl) - ((= char ?d) 'digest) - ((= char ?f) 'forward) - ((= char ?a) 'mmfd) - (t (setq err (format "%c unknown. " char)) - nil)))) - (setq type found))) - (let* ((file (expand-file-name file)) - (name (gnus-generate-new-group-name - (gnus-group-prefixed-name - (file-name-nondirectory file) '(nndoc ""))))) - (gnus-group-make-group - (gnus-group-real-name name) - (list 'nndoc (file-name-nondirectory file) - (list 'nndoc-address file) - (list 'nndoc-article-type (or type 'guess)))))) - -(defun gnus-group-make-archive-group (&optional all) - "Create the (ding) Gnus archive group of the most recent articles. -Given a prefix, create a full group." - (interactive "P") - (let ((group (gnus-group-prefixed-name - (if all "ding.archives" "ding.recent") '(nndir "")))) - (and (gnus-gethash group gnus-newsrc-hashtb) - (error "Archive group already exists")) - (gnus-group-make-group - (gnus-group-real-name group) - (list 'nndir (if all "hpc" "edu") - (list 'nndir-directory - (if all gnus-group-archive-directory - gnus-group-recent-archive-directory)))))) - -(defun gnus-group-make-directory-group (dir) - "Create an nndir group. -The user will be prompted for a directory. The contents of this -directory will be used as a newsgroup. The directory should contain -mail messages or news articles in files that have numeric names." - (interactive - (list (read-file-name "Create group from directory: "))) - (or (file-exists-p dir) (error "No such directory")) - (or (file-directory-p dir) (error "Not a directory")) - (let ((ext "") - (i 0) - group) - (while (or (not group) (gnus-gethash group gnus-newsrc-hashtb)) - (setq group - (gnus-group-prefixed-name - (concat (file-name-as-directory (directory-file-name dir)) - ext) - '(nndir ""))) - (setq ext (format "<%d>" (setq i (1+ i))))) - (gnus-group-make-group - (gnus-group-real-name group) - (list 'nndir group (list 'nndir-directory dir))))) - -(defun gnus-group-make-kiboze-group (group address scores) - "Create an nnkiboze group. -The user will be prompted for a name, a regexp to match groups, and -score file entries for articles to include in the group." - (interactive - (list - (read-string "nnkiboze group name: ") - (read-string "Source groups (regexp): ") - (let ((headers (mapcar (lambda (group) (list group)) - '("subject" "from" "number" "date" "message-id" - "references" "chars" "lines" "xref" - "followup" "all" "body" "head"))) - scores header regexp regexps) - (while (not (equal "" (setq header (completing-read - "Match on header: " headers nil t)))) - (setq regexps nil) - (while (not (equal "" (setq regexp (read-string - (format "Match on %s (string): " - header))))) - (setq regexps (cons (list regexp nil nil 'r) regexps))) - (setq scores (cons (cons header regexps) scores))) - scores))) - (gnus-group-make-group group "nnkiboze" address) - (nnheader-temp-write (gnus-score-file-name (concat "nnkiboze:" group)) - (let (emacs-lisp-mode-hook) - (pp scores (current-buffer))))) - -(defun gnus-group-add-to-virtual (n vgroup) - "Add the current group to a virtual group." - (interactive - (list current-prefix-arg - (completing-read "Add to virtual group: " gnus-newsrc-hashtb nil t - "nnvirtual:"))) - (or (eq (car (gnus-find-method-for-group vgroup)) 'nnvirtual) - (error "%s is not an nnvirtual group" vgroup)) - (let* ((groups (gnus-group-process-prefix n)) - (method (gnus-info-method (gnus-get-info vgroup)))) - (setcar (cdr method) - (concat - (nth 1 method) "\\|" - (mapconcat - (lambda (s) - (gnus-group-remove-mark s) - (concat "\\(^" (regexp-quote s) "$\\)")) - groups "\\|")))) - (gnus-group-position-point)) - -(defun gnus-group-make-empty-virtual (group) - "Create a new, fresh, empty virtual group." - (interactive "sCreate new, empty virtual group: ") - (let* ((method (list 'nnvirtual "^$")) - (pgroup (gnus-group-prefixed-name group method))) - ;; Check whether it exists already. - (and (gnus-gethash pgroup gnus-newsrc-hashtb) - (error "Group %s already exists." pgroup)) - ;; Subscribe the new group after the group on the current line. - (gnus-subscribe-group pgroup (gnus-group-group-name) method) - (gnus-group-update-group pgroup) - (forward-line -1) - (gnus-group-position-point))) - -(defun gnus-group-enter-directory (dir) - "Enter an ephemeral nneething group." - (interactive "DDirectory to read: ") - (let* ((method (list 'nneething dir '(nneething-read-only t))) - (leaf (gnus-group-prefixed-name - (file-name-nondirectory (directory-file-name dir)) - method)) - (name (gnus-generate-new-group-name leaf))) - (unless (gnus-group-read-ephemeral-group - name method t - (cons (current-buffer) - (if (eq major-mode 'gnus-summary-mode) - 'summary 'group))) - (error "Couldn't enter %s" dir)))) - -;; Group sorting commands -;; Suggested by Joe Hildebrand <hildjj@idaho.fuentez.com>. - -(defun gnus-group-sort-groups (func &optional reverse) - "Sort the group buffer according to FUNC. -If REVERSE, reverse the sorting order." - (interactive (list gnus-group-sort-function - current-prefix-arg)) - (let ((func (cond - ((not (listp func)) func) - ((null func) func) - ((= 1 (length func)) (car func)) - (t `(lambda (t1 t2) - ,(gnus-make-sort-function - (reverse func))))))) - ;; We peel off the dummy group from the alist. - (when func - (when (equal (car (gnus-info-group gnus-newsrc-alist)) "dummy.group") - (pop gnus-newsrc-alist)) - ;; Do the sorting. - (setq gnus-newsrc-alist - (sort gnus-newsrc-alist func)) - (when reverse - (setq gnus-newsrc-alist (nreverse gnus-newsrc-alist))) - ;; Regenerate the hash table. - (gnus-make-hashtable-from-newsrc-alist) - (gnus-group-list-groups)))) - -(defun gnus-group-sort-groups-by-alphabet (&optional reverse) - "Sort the group buffer alphabetically by group name. -If REVERSE, sort in reverse order." - (interactive "P") - (gnus-group-sort-groups 'gnus-group-sort-by-alphabet reverse)) - -(defun gnus-group-sort-groups-by-unread (&optional reverse) - "Sort the group buffer by number of unread articles. -If REVERSE, sort in reverse order." - (interactive "P") - (gnus-group-sort-groups 'gnus-group-sort-by-unread reverse)) - -(defun gnus-group-sort-groups-by-level (&optional reverse) - "Sort the group buffer by group level. -If REVERSE, sort in reverse order." - (interactive "P") - (gnus-group-sort-groups 'gnus-group-sort-by-level reverse)) - -(defun gnus-group-sort-groups-by-score (&optional reverse) - "Sort the group buffer by group score. -If REVERSE, sort in reverse order." - (interactive "P") - (gnus-group-sort-groups 'gnus-group-sort-by-score reverse)) - -(defun gnus-group-sort-groups-by-rank (&optional reverse) - "Sort the group buffer by group rank. -If REVERSE, sort in reverse order." - (interactive "P") - (gnus-group-sort-groups 'gnus-group-sort-by-rank reverse)) - -(defun gnus-group-sort-groups-by-method (&optional reverse) - "Sort the group buffer alphabetically by backend name. -If REVERSE, sort in reverse order." - (interactive "P") - (gnus-group-sort-groups 'gnus-group-sort-by-method reverse)) - -(defun gnus-group-sort-by-alphabet (info1 info2) - "Sort alphabetically." - (string< (gnus-info-group info1) (gnus-info-group info2))) - -(defun gnus-group-sort-by-unread (info1 info2) - "Sort by number of unread articles." - (let ((n1 (car (gnus-gethash (gnus-info-group info1) gnus-newsrc-hashtb))) - (n2 (car (gnus-gethash (gnus-info-group info2) gnus-newsrc-hashtb)))) - (< (or (and (numberp n1) n1) 0) - (or (and (numberp n2) n2) 0)))) - -(defun gnus-group-sort-by-level (info1 info2) - "Sort by level." - (< (gnus-info-level info1) (gnus-info-level info2))) - -(defun gnus-group-sort-by-method (info1 info2) - "Sort alphabetically by backend name." - (string< (symbol-name (car (gnus-find-method-for-group - (gnus-info-group info1) info1))) - (symbol-name (car (gnus-find-method-for-group - (gnus-info-group info2) info2))))) - -(defun gnus-group-sort-by-score (info1 info2) - "Sort by group score." - (< (gnus-info-score info1) (gnus-info-score info2))) - -(defun gnus-group-sort-by-rank (info1 info2) - "Sort by level and score." - (let ((level1 (gnus-info-level info1)) - (level2 (gnus-info-level info2))) - (or (< level1 level2) - (and (= level1 level2) - (> (gnus-info-score info1) (gnus-info-score info2)))))) - -;; Group catching up. - -(defun gnus-group-clear-data (n) - "Clear all marks and read ranges from the current group." - (interactive "P") - (let ((groups (gnus-group-process-prefix n)) - group info) - (while (setq group (pop groups)) - (setq info (gnus-get-info group)) - (gnus-info-set-read info nil) - (when (gnus-info-marks info) - (gnus-info-set-marks info nil)) - (gnus-get-unread-articles-in-group info (gnus-active group) t) - (when (gnus-group-goto-group group) - (gnus-group-remove-mark group) - (gnus-group-update-group-line))))) - -(defun gnus-group-catchup-current (&optional n all) - "Mark all articles not marked as unread in current newsgroup as read. -If prefix argument N is numeric, the ARG next newsgroups will be -caught up. If ALL is non-nil, marked articles will also be marked as -read. Cross references (Xref: header) of articles are ignored. -The difference between N and actual number of newsgroups that were -caught up is returned." - (interactive "P") - (unless (gnus-group-group-name) - (error "No group on the current line")) - (if (not (or (not gnus-interactive-catchup) ;Without confirmation? - gnus-expert-user - (gnus-y-or-n-p - (if all - "Do you really want to mark all articles as read? " - "Mark all unread articles as read? ")))) - n - (let ((groups (gnus-group-process-prefix n)) - (ret 0)) - (while groups - ;; Virtual groups have to be given special treatment. - (let ((method (gnus-find-method-for-group (car groups)))) - (if (eq 'nnvirtual (car method)) - (nnvirtual-catchup-group - (gnus-group-real-name (car groups)) (nth 1 method) all))) - (gnus-group-remove-mark (car groups)) - (if (>= (gnus-group-group-level) gnus-level-zombie) - (gnus-message 2 "Dead groups can't be caught up") - (if (prog1 - (gnus-group-goto-group (car groups)) - (gnus-group-catchup (car groups) all)) - (gnus-group-update-group-line) - (setq ret (1+ ret)))) - (setq groups (cdr groups))) - (gnus-group-next-unread-group 1) - ret))) - -(defun gnus-group-catchup-current-all (&optional n) - "Mark all articles in current newsgroup as read. -Cross references (Xref: header) of articles are ignored." - (interactive "P") - (gnus-group-catchup-current n 'all)) - -(defun gnus-group-catchup (group &optional all) - "Mark all articles in GROUP as read. -If ALL is non-nil, all articles are marked as read. -The return value is the number of articles that were marked as read, -or nil if no action could be taken." - (let* ((entry (gnus-gethash group gnus-newsrc-hashtb)) - (num (car entry))) - ;; Do the updating only if the newsgroup isn't killed. - (if (not (numberp (car entry))) - (gnus-message 1 "Can't catch up; non-active group") - ;; Do auto-expirable marks if that's required. - (when (gnus-group-auto-expirable-p group) - (gnus-add-marked-articles - group 'expire (gnus-list-of-unread-articles group)) - (when all - (let ((marks (nth 3 (nth 2 entry)))) - (gnus-add-marked-articles - group 'expire (gnus-uncompress-range (cdr (assq 'tick marks)))) - (gnus-add-marked-articles - group 'expire (gnus-uncompress-range (cdr (assq 'tick marks))))))) - (when entry - (gnus-update-read-articles group nil) - ;; Also nix out the lists of marks and dormants. - (when all - (gnus-add-marked-articles group 'tick nil nil 'force) - (gnus-add-marked-articles group 'dormant nil nil 'force)) - (run-hooks 'gnus-group-catchup-group-hook) - num)))) - -(defun gnus-group-expire-articles (&optional n) - "Expire all expirable articles in the current newsgroup." - (interactive "P") - (let ((groups (gnus-group-process-prefix n)) - group) - (unless groups - (error "No groups to expire")) - (while (setq group (pop groups)) - (gnus-group-remove-mark group) - (when (gnus-check-backend-function 'request-expire-articles group) - (gnus-message 6 "Expiring articles in %s..." group) - (let* ((info (gnus-get-info group)) - (expirable (if (gnus-group-total-expirable-p group) - (cons nil (gnus-list-of-read-articles group)) - (assq 'expire (gnus-info-marks info)))) - (expiry-wait (gnus-group-get-parameter group 'expiry-wait))) - (when expirable - (setcdr - expirable - (gnus-compress-sequence - (if expiry-wait - ;; We set the expiry variables to the groupp - ;; parameter. - (let ((nnmail-expiry-wait-function nil) - (nnmail-expiry-wait expiry-wait)) - (gnus-request-expire-articles - (gnus-uncompress-sequence (cdr expirable)) group)) - ;; Just expire using the normal expiry values. - (gnus-request-expire-articles - (gnus-uncompress-sequence (cdr expirable)) group)))) - (gnus-close-group group)) - (gnus-message 6 "Expiring articles in %s...done" group))) - (gnus-group-position-point)))) - -(defun gnus-group-expire-all-groups () - "Expire all expirable articles in all newsgroups." - (interactive) - (save-excursion - (gnus-message 5 "Expiring...") - (let ((gnus-group-marked (mapcar (lambda (info) (gnus-info-group info)) - (cdr gnus-newsrc-alist)))) - (gnus-group-expire-articles nil))) - (gnus-group-position-point) - (gnus-message 5 "Expiring...done")) - -(defun gnus-group-set-current-level (n level) - "Set the level of the next N groups to LEVEL." - (interactive - (list - current-prefix-arg - (string-to-int - (let ((s (read-string - (format "Level (default %s): " - (or (gnus-group-group-level) - gnus-level-default-subscribed))))) - (if (string-match "^\\s-*$" s) - (int-to-string (or (gnus-group-group-level) - gnus-level-default-subscribed)) - s))))) - (or (and (>= level 1) (<= level gnus-level-killed)) - (error "Illegal level: %d" level)) - (let ((groups (gnus-group-process-prefix n)) - group) - (while (setq group (pop groups)) - (gnus-group-remove-mark group) - (gnus-message 6 "Changed level of %s from %d to %d" - group (or (gnus-group-group-level) gnus-level-killed) - level) - (gnus-group-change-level - group level (or (gnus-group-group-level) gnus-level-killed)) - (gnus-group-update-group-line))) - (gnus-group-position-point)) - -(defun gnus-group-unsubscribe-current-group (&optional n) - "Toggle subscription of the current group. -If given numerical prefix, toggle the N next groups." - (interactive "P") - (let ((groups (gnus-group-process-prefix n)) - group) - (while groups - (setq group (car groups) - groups (cdr groups)) - (gnus-group-remove-mark group) - (gnus-group-unsubscribe-group - group (if (<= (gnus-group-group-level) gnus-level-subscribed) - gnus-level-default-unsubscribed - gnus-level-default-subscribed) t) - (gnus-group-update-group-line)) - (gnus-group-next-group 1))) - -(defun gnus-group-unsubscribe-group (group &optional level silent) - "Toggle subscription to GROUP. -Killed newsgroups are subscribed. If SILENT, don't try to update the -group line." - (interactive - (list (completing-read - "Group: " gnus-active-hashtb nil - (gnus-read-active-file-p) - nil - 'gnus-group-history))) - (let ((newsrc (gnus-gethash group gnus-newsrc-hashtb))) - (cond - ((string-match "^[ \t]$" group) - (error "Empty group name")) - (newsrc - ;; Toggle subscription flag. - (gnus-group-change-level - newsrc (if level level (if (<= (nth 1 (nth 2 newsrc)) - gnus-level-subscribed) - (1+ gnus-level-subscribed) - gnus-level-default-subscribed))) - (unless silent - (gnus-group-update-group group))) - ((and (stringp group) - (or (not (gnus-read-active-file-p)) - (gnus-active group))) - ;; Add new newsgroup. - (gnus-group-change-level - group - (if level level gnus-level-default-subscribed) - (or (and (member group gnus-zombie-list) - gnus-level-zombie) - gnus-level-killed) - (and (gnus-group-group-name) - (gnus-gethash (gnus-group-group-name) gnus-newsrc-hashtb))) - (unless silent - (gnus-group-update-group group))) - (t (error "No such newsgroup: %s" group))) - (gnus-group-position-point))) - -(defun gnus-group-transpose-groups (n) - "Move the current newsgroup up N places. -If given a negative prefix, move down instead. The difference between -N and the number of steps taken is returned." - (interactive "p") - (or (gnus-group-group-name) - (error "No group on current line")) - (gnus-group-kill-group 1) - (prog1 - (forward-line (- n)) - (gnus-group-yank-group) - (gnus-group-position-point))) - -(defun gnus-group-kill-all-zombies () - "Kill all zombie newsgroups." - (interactive) - (setq gnus-killed-list (nconc gnus-zombie-list gnus-killed-list)) - (setq gnus-zombie-list nil) - (gnus-group-list-groups)) - -(defun gnus-group-kill-region (begin end) - "Kill newsgroups in current region (excluding current point). -The killed newsgroups can be yanked by using \\[gnus-group-yank-group]." - (interactive "r") - (let ((lines - ;; Count lines. - (save-excursion - (count-lines - (progn - (goto-char begin) - (beginning-of-line) - (point)) - (progn - (goto-char end) - (beginning-of-line) - (point)))))) - (goto-char begin) - (beginning-of-line) ;Important when LINES < 1 - (gnus-group-kill-group lines))) - -(defun gnus-group-kill-group (&optional n discard) - "Kill the next N groups. -The killed newsgroups can be yanked by using \\[gnus-group-yank-group]. -However, only groups that were alive can be yanked; already killed -groups or zombie groups can't be yanked. -The return value is the name of the group that was killed, or a list -of groups killed." - (interactive "P") - (let ((buffer-read-only nil) - (groups (gnus-group-process-prefix n)) - group entry level out) - (if (< (length groups) 10) - ;; This is faster when there are few groups. - (while groups - (push (setq group (pop groups)) out) - (gnus-group-remove-mark group) - (setq level (gnus-group-group-level)) - (gnus-delete-line) - (when (and (not discard) - (setq entry (gnus-gethash group gnus-newsrc-hashtb))) - (push (cons (car entry) (nth 2 entry)) - gnus-list-of-killed-groups)) - (gnus-group-change-level - (if entry entry group) gnus-level-killed (if entry nil level))) - ;; If there are lots and lots of groups to be killed, we use - ;; this thing instead. - (let (entry) - (setq groups (nreverse groups)) - (while groups - (gnus-group-remove-mark (setq group (pop groups))) - (gnus-delete-line) - (push group gnus-killed-list) - (setq gnus-newsrc-alist - (delq (assoc group gnus-newsrc-alist) - gnus-newsrc-alist)) - (when gnus-group-change-level-function - (funcall gnus-group-change-level-function group 9 3)) - (cond - ((setq entry (gnus-gethash group gnus-newsrc-hashtb)) - (push (cons (car entry) (nth 2 entry)) - gnus-list-of-killed-groups) - (setcdr (cdr entry) (cdddr entry))) - ((member group gnus-zombie-list) - (setq gnus-zombie-list (delete group gnus-zombie-list))))) - (gnus-make-hashtable-from-newsrc-alist))) - - (gnus-group-position-point) - (if (< (length out) 2) (car out) (nreverse out)))) - -(defun gnus-group-yank-group (&optional arg) - "Yank the last newsgroups killed with \\[gnus-group-kill-group], -inserting it before the current newsgroup. The numeric ARG specifies -how many newsgroups are to be yanked. The name of the newsgroup yanked -is returned, or (if several groups are yanked) a list of yanked groups -is returned." - (interactive "p") - (setq arg (or arg 1)) - (let (info group prev out) - (while (>= (decf arg) 0) - (if (not (setq info (pop gnus-list-of-killed-groups))) - (error "No more newsgroups to yank")) - (push (setq group (nth 1 info)) out) - ;; Find which newsgroup to insert this one before - search - ;; backward until something suitable is found. If there are no - ;; other newsgroups in this buffer, just make this newsgroup the - ;; first newsgroup. - (setq prev (gnus-group-group-name)) - (gnus-group-change-level - info (gnus-info-level (cdr info)) gnus-level-killed - (and prev (gnus-gethash prev gnus-newsrc-hashtb)) - t) - (gnus-group-insert-group-line-info group)) - (forward-line -1) - (gnus-group-position-point) - (if (< (length out) 2) (car out) (nreverse out)))) - -(defun gnus-group-kill-level (level) - "Kill all groups that is on a certain LEVEL." - (interactive "nKill all groups on level: ") - (cond - ((= level gnus-level-zombie) - (setq gnus-killed-list - (nconc gnus-zombie-list gnus-killed-list)) - (setq gnus-zombie-list nil)) - ((and (< level gnus-level-zombie) - (> level 0) - (or gnus-expert-user - (gnus-yes-or-no-p - (format - "Do you really want to kill all groups on level %d? " - level)))) - (let* ((prev gnus-newsrc-alist) - (alist (cdr prev))) - (while alist - (if (= (gnus-info-level (car alist)) level) - (progn - (push (gnus-info-group (car alist)) gnus-killed-list) - (setcdr prev (cdr alist))) - (setq prev alist)) - (setq alist (cdr alist))) - (gnus-make-hashtable-from-newsrc-alist) - (gnus-group-list-groups))) - (t - (error "Can't kill; illegal level: %d" level)))) - -(defun gnus-group-list-all-groups (&optional arg) - "List all newsgroups with level ARG or lower. -Default is gnus-level-unsubscribed, which lists all subscribed and most -unsubscribed groups." - (interactive "P") - (gnus-group-list-groups (or arg gnus-level-unsubscribed) t)) - -;; Redefine this to list ALL killed groups if prefix arg used. -;; Rewritten by engstrom@src.honeywell.com (Eric Engstrom). -(defun gnus-group-list-killed (&optional arg) - "List all killed newsgroups in the group buffer. -If ARG is non-nil, list ALL killed groups known to Gnus. This may -entail asking the server for the groups." - (interactive "P") - ;; Find all possible killed newsgroups if arg. - (when arg - (gnus-get-killed-groups)) - (if (not gnus-killed-list) - (gnus-message 6 "No killed groups") - (let (gnus-group-list-mode) - (funcall gnus-group-prepare-function - gnus-level-killed t gnus-level-killed)) - (goto-char (point-min))) - (gnus-group-position-point)) - -(defun gnus-group-list-zombies () - "List all zombie newsgroups in the group buffer." - (interactive) - (if (not gnus-zombie-list) - (gnus-message 6 "No zombie groups") - (let (gnus-group-list-mode) - (funcall gnus-group-prepare-function - gnus-level-zombie t gnus-level-zombie)) - (goto-char (point-min))) - (gnus-group-position-point)) - -(defun gnus-group-list-active () - "List all groups that are available from the server(s)." - (interactive) - ;; First we make sure that we have really read the active file. - (unless (gnus-read-active-file-p) - (let ((gnus-read-active-file t)) - (gnus-read-active-file))) - ;; Find all groups and sort them. - (let ((groups - (sort - (let (list) - (mapatoms - (lambda (sym) - (and (boundp sym) - (symbol-value sym) - (setq list (cons (symbol-name sym) list)))) - gnus-active-hashtb) - list) - 'string<)) - (buffer-read-only nil)) - (erase-buffer) - (while groups - (gnus-group-insert-group-line-info (pop groups))) - (goto-char (point-min)))) - -(defun gnus-activate-all-groups (level) - "Activate absolutely all groups." - (interactive (list 7)) - (let ((gnus-activate-level level) - (gnus-activate-foreign-newsgroups level)) - (gnus-group-get-new-news))) - -(defun gnus-group-get-new-news (&optional arg) - "Get newly arrived articles. -If ARG is a number, it specifies which levels you are interested in -re-scanning. If ARG is non-nil and not a number, this will force -\"hard\" re-reading of the active files from all servers." - (interactive "P") - (run-hooks 'gnus-get-new-news-hook) - ;; We might read in new NoCeM messages here. - (when (and gnus-use-nocem - (null arg)) - (gnus-nocem-scan-groups)) - ;; If ARG is not a number, then we read the active file. - (when (and arg (not (numberp arg))) - (let ((gnus-read-active-file t)) - (gnus-read-active-file)) - (setq arg nil)) - - (setq arg (gnus-group-default-level arg t)) - (if (and gnus-read-active-file (not arg)) - (progn - (gnus-read-active-file) - (gnus-get-unread-articles arg)) - (let ((gnus-read-active-file (if arg nil gnus-read-active-file))) - (gnus-get-unread-articles arg))) - (run-hooks 'gnus-after-getting-new-news-hook) - (gnus-group-list-groups)) - -(defun gnus-group-get-new-news-this-group (&optional n) - "Check for newly arrived news in the current group (and the N-1 next groups). -The difference between N and the number of newsgroup checked is returned. -If N is negative, this group and the N-1 previous groups will be checked." - (interactive "P") - (let* ((groups (gnus-group-process-prefix n)) - (ret (if (numberp n) (- n (length groups)) 0)) - (beg (unless n (point))) - group) - (while (setq group (pop groups)) - (gnus-group-remove-mark group) - (if (gnus-activate-group group 'scan) - (progn - (gnus-get-unread-articles-in-group - (gnus-get-info group) (gnus-active group) t) - (unless (gnus-virtual-group-p group) - (gnus-close-group group)) - (gnus-group-update-group group)) - (if (eq (gnus-server-status (gnus-find-method-for-group group)) - 'denied) - (gnus-error "Server denied access") - (gnus-error 3 "%s error: %s" group (gnus-status-message group))))) - (when beg (goto-char beg)) - (when gnus-goto-next-group-when-activating - (gnus-group-next-unread-group 1 t)) - (gnus-summary-position-point) - ret)) - -(defun gnus-group-fetch-faq (group &optional faq-dir) - "Fetch the FAQ for the current group." - (interactive - (list - (and (gnus-group-group-name) - (gnus-group-real-name (gnus-group-group-name))) - (cond (current-prefix-arg - (completing-read - "Faq dir: " (and (listp gnus-group-faq-directory) - (mapcar (lambda (file) (list file)) - gnus-group-faq-directory))))))) - (or faq-dir - (setq faq-dir (if (listp gnus-group-faq-directory) - (car gnus-group-faq-directory) - gnus-group-faq-directory))) - (or group (error "No group name given")) - (let ((file (concat (file-name-as-directory faq-dir) - (gnus-group-real-name group)))) - (if (not (file-exists-p file)) - (error "No such file: %s" file) - (find-file file)))) - -(defun gnus-group-describe-group (force &optional group) - "Display a description of the current newsgroup." - (interactive (list current-prefix-arg (gnus-group-group-name))) - (let* ((method (gnus-find-method-for-group group)) - (mname (gnus-group-prefixed-name "" method)) - desc) - (when (and force - gnus-description-hashtb) - (gnus-sethash mname nil gnus-description-hashtb)) - (or group (error "No group name given")) - (and (or (and gnus-description-hashtb - ;; We check whether this group's method has been - ;; queried for a description file. - (gnus-gethash mname gnus-description-hashtb)) - (setq desc (gnus-group-get-description group)) - (gnus-read-descriptions-file method)) - (gnus-message 1 - (or desc (gnus-gethash group gnus-description-hashtb) - "No description available"))))) - -;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>. -(defun gnus-group-describe-all-groups (&optional force) - "Pop up a buffer with descriptions of all newsgroups." - (interactive "P") - (and force (setq gnus-description-hashtb nil)) - (if (not (or gnus-description-hashtb - (gnus-read-all-descriptions-files))) - (error "Couldn't request descriptions file")) - (let ((buffer-read-only nil) - b) - (erase-buffer) - (mapatoms - (lambda (group) - (setq b (point)) - (insert (format " *: %-20s %s\n" (symbol-name group) - (symbol-value group))) - (gnus-add-text-properties - b (1+ b) (list 'gnus-group group - 'gnus-unread t 'gnus-marked nil - 'gnus-level (1+ gnus-level-subscribed)))) - gnus-description-hashtb) - (goto-char (point-min)) - (gnus-group-position-point))) - -;; Suggested by by Daniel Quinlan <quinlan@best.com>. -(defun gnus-group-apropos (regexp &optional search-description) - "List all newsgroups that have names that match a regexp." - (interactive "sGnus apropos (regexp): ") - (let ((prev "") - (obuf (current-buffer)) - groups des) - ;; Go through all newsgroups that are known to Gnus. - (mapatoms - (lambda (group) - (and (symbol-name group) - (string-match regexp (symbol-name group)) - (setq groups (cons (symbol-name group) groups)))) - gnus-active-hashtb) - ;; Also go through all descriptions that are known to Gnus. - (when search-description - (mapatoms - (lambda (group) - (and (string-match regexp (symbol-value group)) - (gnus-active (symbol-name group)) - (setq groups (cons (symbol-name group) groups)))) - gnus-description-hashtb)) - (if (not groups) - (gnus-message 3 "No groups matched \"%s\"." regexp) - ;; Print out all the groups. - (save-excursion - (pop-to-buffer "*Gnus Help*") - (buffer-disable-undo (current-buffer)) - (erase-buffer) - (setq groups (sort groups 'string<)) - (while groups - ;; Groups may be entered twice into the list of groups. - (if (not (string= (car groups) prev)) - (progn - (insert (setq prev (car groups)) "\n") - (if (and gnus-description-hashtb - (setq des (gnus-gethash (car groups) - gnus-description-hashtb))) - (insert " " des "\n")))) - (setq groups (cdr groups))) - (goto-char (point-min)))) - (pop-to-buffer obuf))) - -(defun gnus-group-description-apropos (regexp) - "List all newsgroups that have names or descriptions that match a regexp." - (interactive "sGnus description apropos (regexp): ") - (if (not (or gnus-description-hashtb - (gnus-read-all-descriptions-files))) - (error "Couldn't request descriptions file")) - (gnus-group-apropos regexp t)) - -;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>. -(defun gnus-group-list-matching (level regexp &optional all lowest) - "List all groups with unread articles that match REGEXP. -If the prefix LEVEL is non-nil, it should be a number that says which -level to cut off listing groups. -If ALL, also list groups with no unread articles. -If LOWEST, don't list groups with level lower than LOWEST. - -This command may read the active file." - (interactive "P\nsList newsgroups matching: ") - ;; First make sure active file has been read. - (when (and level - (> (prefix-numeric-value level) gnus-level-killed)) - (gnus-get-killed-groups)) - (gnus-group-prepare-flat (or level gnus-level-subscribed) - all (or lowest 1) regexp) - (goto-char (point-min)) - (gnus-group-position-point)) - -(defun gnus-group-list-all-matching (level regexp &optional lowest) - "List all groups that match REGEXP. -If the prefix LEVEL is non-nil, it should be a number that says which -level to cut off listing groups. -If LOWEST, don't list groups with level lower than LOWEST." - (interactive "P\nsList newsgroups matching: ") - (gnus-group-list-matching (or level gnus-level-killed) regexp t lowest)) - -;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>. -(defun gnus-group-save-newsrc (&optional force) - "Save the Gnus startup files. -If FORCE, force saving whether it is necessary or not." - (interactive "P") - (gnus-save-newsrc-file force)) - -(defun gnus-group-restart (&optional arg) - "Force Gnus to read the .newsrc file." - (interactive "P") - (when (gnus-yes-or-no-p - (format "Are you sure you want to read %s? " - gnus-current-startup-file)) - (gnus-save-newsrc-file) - (gnus-setup-news 'force) - (gnus-group-list-groups arg))) - -(defun gnus-group-read-init-file () - "Read the Gnus elisp init file." - (interactive) - (gnus-read-init-file)) - -(defun gnus-group-check-bogus-groups (&optional silent) - "Check bogus newsgroups. -If given a prefix, don't ask for confirmation before removing a bogus -group." - (interactive "P") - (gnus-check-bogus-newsgroups (and (not silent) (not gnus-expert-user))) - (gnus-group-list-groups)) - -(defun gnus-group-edit-global-kill (&optional article group) - "Edit the global kill file. -If GROUP, edit that local kill file instead." - (interactive "P") - (setq gnus-current-kill-article article) - (gnus-kill-file-edit-file group) - (gnus-message - 6 - (substitute-command-keys - (format "Editing a %s kill file (Type \\[gnus-kill-file-exit] to exit)" - (if group "local" "global"))))) - -(defun gnus-group-edit-local-kill (article group) - "Edit a local kill file." - (interactive (list nil (gnus-group-group-name))) - (gnus-group-edit-global-kill article group)) - -(defun gnus-group-force-update () - "Update `.newsrc' file." - (interactive) - (gnus-save-newsrc-file)) - -(defun gnus-group-suspend () - "Suspend the current Gnus session. -In fact, cleanup buffers except for group mode buffer. -The hook gnus-suspend-gnus-hook is called before actually suspending." - (interactive) - (run-hooks 'gnus-suspend-gnus-hook) - ;; Kill Gnus buffers except for group mode buffer. - (let* ((group-buf (get-buffer gnus-group-buffer)) - ;; Do this on a separate list in case the user does a ^G before we finish - (gnus-buffer-list - (delete group-buf (delete gnus-dribble-buffer - (append gnus-buffer-list nil))))) - (while gnus-buffer-list - (gnus-kill-buffer (pop gnus-buffer-list))) - (gnus-kill-gnus-frames) - (when group-buf - (setq gnus-buffer-list (list group-buf)) - (bury-buffer group-buf) - (delete-windows-on group-buf t)))) - -(defun gnus-group-clear-dribble () - "Clear all information from the dribble buffer." - (interactive) - (gnus-dribble-clear) - (gnus-message 7 "Cleared dribble buffer")) - -(defun gnus-group-exit () - "Quit reading news after updating .newsrc.eld and .newsrc. -The hook `gnus-exit-gnus-hook' is called before actually exiting." - (interactive) - (when - (or noninteractive ;For gnus-batch-kill - (not gnus-interactive-exit) ;Without confirmation - gnus-expert-user - (gnus-y-or-n-p "Are you sure you want to quit reading news? ")) - (run-hooks 'gnus-exit-gnus-hook) - ;; Offer to save data from non-quitted summary buffers. - (gnus-offer-save-summaries) - ;; Save the newsrc file(s). - (gnus-save-newsrc-file) - ;; Kill-em-all. - (gnus-close-backends) - ;; Reset everything. - (gnus-clear-system) - ;; Allow the user to do things after cleaning up. - (run-hooks 'gnus-after-exiting-gnus-hook))) - -(defun gnus-close-backends () - ;; Send a close request to all backends that support such a request. - (let ((methods gnus-valid-select-methods) - func) - (while methods - (if (fboundp (setq func (intern (concat (caar methods) - "-request-close")))) - (funcall func)) - (setq methods (cdr methods))))) - -(defun gnus-group-quit () - "Quit reading news without updating .newsrc.eld or .newsrc. -The hook `gnus-exit-gnus-hook' is called before actually exiting." - (interactive) - (when (or noninteractive ;For gnus-batch-kill - (zerop (buffer-size)) - (not (gnus-server-opened gnus-select-method)) - gnus-expert-user - (not gnus-current-startup-file) - (gnus-yes-or-no-p - (format "Quit reading news without saving %s? " - (file-name-nondirectory gnus-current-startup-file)))) - (run-hooks 'gnus-exit-gnus-hook) - (if gnus-use-full-window - (delete-other-windows) - (gnus-remove-some-windows)) - (gnus-dribble-save) - (gnus-close-backends) - (gnus-clear-system) - ;; Allow the user to do things after cleaning up. - (run-hooks 'gnus-after-exiting-gnus-hook))) - -(defun gnus-offer-save-summaries () - "Offer to save all active summary buffers." - (save-excursion - (let ((buflist (buffer-list)) - buffers bufname) - ;; Go through all buffers and find all summaries. - (while buflist - (and (setq bufname (buffer-name (car buflist))) - (string-match "Summary" bufname) - (save-excursion - (set-buffer bufname) - ;; We check that this is, indeed, a summary buffer. - (and (eq major-mode 'gnus-summary-mode) - ;; Also make sure this isn't bogus. - gnus-newsgroup-prepared)) - (push bufname buffers)) - (setq buflist (cdr buflist))) - ;; Go through all these summary buffers and offer to save them. - (when buffers - (map-y-or-n-p - "Update summary buffer %s? " - (lambda (buf) (set-buffer buf) (gnus-summary-exit)) - buffers))))) - -(defun gnus-group-describe-briefly () - "Give a one line description of the group mode commands." - (interactive) - (gnus-message 7 (substitute-command-keys "\\<gnus-group-mode-map>\\[gnus-group-read-group]:Select \\[gnus-group-next-unread-group]:Forward \\[gnus-group-prev-unread-group]:Backward \\[gnus-group-exit]:Exit \\[gnus-info-find-node]:Run Info \\[gnus-group-describe-briefly]:This help"))) - -(defun gnus-group-browse-foreign-server (method) - "Browse a foreign news server. -If called interactively, this function will ask for a select method - (nntp, nnspool, etc.) and a server address (eg. nntp.some.where). -If not, METHOD should be a list where the first element is the method -and the second element is the address." - (interactive - (list (let ((how (completing-read - "Which backend: " - (append gnus-valid-select-methods gnus-server-alist) - nil t (cons "nntp" 0) 'gnus-method-history))) - ;; We either got a backend name or a virtual server name. - ;; If the first, we also need an address. - (if (assoc how gnus-valid-select-methods) - (list (intern how) - ;; Suggested by mapjph@bath.ac.uk. - (completing-read - "Address: " - (mapcar (lambda (server) (list server)) - gnus-secondary-servers))) - ;; We got a server name, so we find the method. - (gnus-server-to-method how))))) - (gnus-browse-foreign-server method)) - - -;;; -;;; Gnus summary mode -;;; - -(defvar gnus-summary-mode-map nil) - -(put 'gnus-summary-mode 'mode-class 'special) - -(unless gnus-summary-mode-map - (setq gnus-summary-mode-map (make-keymap)) - (suppress-keymap gnus-summary-mode-map) - - ;; Non-orthogonal keys - - (gnus-define-keys gnus-summary-mode-map - " " gnus-summary-next-page - "\177" gnus-summary-prev-page - [delete] gnus-summary-prev-page - "\r" gnus-summary-scroll-up - "n" gnus-summary-next-unread-article - "p" gnus-summary-prev-unread-article - "N" gnus-summary-next-article - "P" gnus-summary-prev-article - "\M-\C-n" gnus-summary-next-same-subject - "\M-\C-p" gnus-summary-prev-same-subject - "\M-n" gnus-summary-next-unread-subject - "\M-p" gnus-summary-prev-unread-subject - "." gnus-summary-first-unread-article - "," gnus-summary-best-unread-article - "\M-s" gnus-summary-search-article-forward - "\M-r" gnus-summary-search-article-backward - "<" gnus-summary-beginning-of-article - ">" gnus-summary-end-of-article - "j" gnus-summary-goto-article - "^" gnus-summary-refer-parent-article - "\M-^" gnus-summary-refer-article - "u" gnus-summary-tick-article-forward - "!" gnus-summary-tick-article-forward - "U" gnus-summary-tick-article-backward - "d" gnus-summary-mark-as-read-forward - "D" gnus-summary-mark-as-read-backward - "E" gnus-summary-mark-as-expirable - "\M-u" gnus-summary-clear-mark-forward - "\M-U" gnus-summary-clear-mark-backward - "k" gnus-summary-kill-same-subject-and-select - "\C-k" gnus-summary-kill-same-subject - "\M-\C-k" gnus-summary-kill-thread - "\M-\C-l" gnus-summary-lower-thread - "e" gnus-summary-edit-article - "#" gnus-summary-mark-as-processable - "\M-#" gnus-summary-unmark-as-processable - "\M-\C-t" gnus-summary-toggle-threads - "\M-\C-s" gnus-summary-show-thread - "\M-\C-h" gnus-summary-hide-thread - "\M-\C-f" gnus-summary-next-thread - "\M-\C-b" gnus-summary-prev-thread - "\M-\C-u" gnus-summary-up-thread - "\M-\C-d" gnus-summary-down-thread - "&" gnus-summary-execute-command - "c" gnus-summary-catchup-and-exit - "\C-w" gnus-summary-mark-region-as-read - "\C-t" gnus-summary-toggle-truncation - "?" gnus-summary-mark-as-dormant - "\C-c\M-\C-s" gnus-summary-limit-include-expunged - "\C-c\C-s\C-n" gnus-summary-sort-by-number - "\C-c\C-s\C-a" gnus-summary-sort-by-author - "\C-c\C-s\C-s" gnus-summary-sort-by-subject - "\C-c\C-s\C-d" gnus-summary-sort-by-date - "\C-c\C-s\C-i" gnus-summary-sort-by-score - "=" gnus-summary-expand-window - "\C-x\C-s" gnus-summary-reselect-current-group - "\M-g" gnus-summary-rescan-group - "w" gnus-summary-stop-page-breaking - "\C-c\C-r" gnus-summary-caesar-message - "\M-t" gnus-summary-toggle-mime - "f" gnus-summary-followup - "F" gnus-summary-followup-with-original - "C" gnus-summary-cancel-article - "r" gnus-summary-reply - "R" gnus-summary-reply-with-original - "\C-c\C-f" gnus-summary-mail-forward - "o" gnus-summary-save-article - "\C-o" gnus-summary-save-article-mail - "|" gnus-summary-pipe-output - "\M-k" gnus-summary-edit-local-kill - "\M-K" gnus-summary-edit-global-kill - "V" gnus-version - "\C-c\C-d" gnus-summary-describe-group - "q" gnus-summary-exit - "Q" gnus-summary-exit-no-update - "\C-c\C-i" gnus-info-find-node - gnus-mouse-2 gnus-mouse-pick-article - "m" gnus-summary-mail-other-window - "a" gnus-summary-post-news - "x" gnus-summary-limit-to-unread - "s" gnus-summary-isearch-article - "t" gnus-article-hide-headers - "g" gnus-summary-show-article - "l" gnus-summary-goto-last-article - "\C-c\C-v\C-v" gnus-uu-decode-uu-view - "\C-d" gnus-summary-enter-digest-group - "\C-c\C-b" gnus-bug - "*" gnus-cache-enter-article - "\M-*" gnus-cache-remove-article - "\M-&" gnus-summary-universal-argument - "\C-l" gnus-recenter - "I" gnus-summary-increase-score - "L" gnus-summary-lower-score - - "V" gnus-summary-score-map - "X" gnus-uu-extract-map - "S" gnus-summary-send-map) - - ;; Sort of orthogonal keymap - (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map) - "t" gnus-summary-tick-article-forward - "!" gnus-summary-tick-article-forward - "d" gnus-summary-mark-as-read-forward - "r" gnus-summary-mark-as-read-forward - "c" gnus-summary-clear-mark-forward - " " gnus-summary-clear-mark-forward - "e" gnus-summary-mark-as-expirable - "x" gnus-summary-mark-as-expirable - "?" gnus-summary-mark-as-dormant - "b" gnus-summary-set-bookmark - "B" gnus-summary-remove-bookmark - "#" gnus-summary-mark-as-processable - "\M-#" gnus-summary-unmark-as-processable - "S" gnus-summary-limit-include-expunged - "C" gnus-summary-catchup - "H" gnus-summary-catchup-to-here - "\C-c" gnus-summary-catchup-all - "k" gnus-summary-kill-same-subject-and-select - "K" gnus-summary-kill-same-subject - "P" gnus-uu-mark-map) - - (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mode-map) - "c" gnus-summary-clear-above - "u" gnus-summary-tick-above - "m" gnus-summary-mark-above - "k" gnus-summary-kill-below) - - (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map) - "/" gnus-summary-limit-to-subject - "n" gnus-summary-limit-to-articles - "w" gnus-summary-pop-limit - "s" gnus-summary-limit-to-subject - "a" gnus-summary-limit-to-author - "u" gnus-summary-limit-to-unread - "m" gnus-summary-limit-to-marks - "v" gnus-summary-limit-to-score - "D" gnus-summary-limit-include-dormant - "d" gnus-summary-limit-exclude-dormant - ;; "t" gnus-summary-limit-exclude-thread - "E" gnus-summary-limit-include-expunged - "c" gnus-summary-limit-exclude-childless-dormant - "C" gnus-summary-limit-mark-excluded-as-read) - - (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map) - "n" gnus-summary-next-unread-article - "p" gnus-summary-prev-unread-article - "N" gnus-summary-next-article - "P" gnus-summary-prev-article - "\C-n" gnus-summary-next-same-subject - "\C-p" gnus-summary-prev-same-subject - "\M-n" gnus-summary-next-unread-subject - "\M-p" gnus-summary-prev-unread-subject - "f" gnus-summary-first-unread-article - "b" gnus-summary-best-unread-article - "j" gnus-summary-goto-article - "g" gnus-summary-goto-subject - "l" gnus-summary-goto-last-article - "p" gnus-summary-pop-article) - - (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map) - "k" gnus-summary-kill-thread - "l" gnus-summary-lower-thread - "i" gnus-summary-raise-thread - "T" gnus-summary-toggle-threads - "t" gnus-summary-rethread-current - "^" gnus-summary-reparent-thread - "s" gnus-summary-show-thread - "S" gnus-summary-show-all-threads - "h" gnus-summary-hide-thread - "H" gnus-summary-hide-all-threads - "n" gnus-summary-next-thread - "p" gnus-summary-prev-thread - "u" gnus-summary-up-thread - "o" gnus-summary-top-thread - "d" gnus-summary-down-thread - "#" gnus-uu-mark-thread - "\M-#" gnus-uu-unmark-thread) - - (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map) - "c" gnus-summary-catchup-and-exit - "C" gnus-summary-catchup-all-and-exit - "E" gnus-summary-exit-no-update - "Q" gnus-summary-exit - "Z" gnus-summary-exit - "n" gnus-summary-catchup-and-goto-next-group - "R" gnus-summary-reselect-current-group - "G" gnus-summary-rescan-group - "N" gnus-summary-next-group - "P" gnus-summary-prev-group) - - (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map) - " " gnus-summary-next-page - "n" gnus-summary-next-page - "\177" gnus-summary-prev-page - [delete] gnus-summary-prev-page - "p" gnus-summary-prev-page - "\r" gnus-summary-scroll-up - "<" gnus-summary-beginning-of-article - ">" gnus-summary-end-of-article - "b" gnus-summary-beginning-of-article - "e" gnus-summary-end-of-article - "^" gnus-summary-refer-parent-article - "r" gnus-summary-refer-parent-article - "R" gnus-summary-refer-references - "g" gnus-summary-show-article - "s" gnus-summary-isearch-article) - - (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map) - "b" gnus-article-add-buttons - "B" gnus-article-add-buttons-to-head - "o" gnus-article-treat-overstrike - ;; "w" gnus-article-word-wrap - "w" gnus-article-fill-cited-article - "c" gnus-article-remove-cr - "L" gnus-article-remove-trailing-blank-lines - "q" gnus-article-de-quoted-unreadable - "f" gnus-article-display-x-face - "l" gnus-summary-stop-page-breaking - "r" gnus-summary-caesar-message - "t" gnus-article-hide-headers - "v" gnus-summary-verbose-headers - "m" gnus-summary-toggle-mime) - - (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map) - "a" gnus-article-hide - "h" gnus-article-hide-headers - "b" gnus-article-hide-boring-headers - "s" gnus-article-hide-signature - "c" gnus-article-hide-citation - "p" gnus-article-hide-pgp - "\C-c" gnus-article-hide-citation-maybe) - - (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map) - "a" gnus-article-highlight - "h" gnus-article-highlight-headers - "c" gnus-article-highlight-citation - "s" gnus-article-highlight-signature) - - (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map) - "z" gnus-article-date-ut - "u" gnus-article-date-ut - "l" gnus-article-date-local - "e" gnus-article-date-lapsed - "o" gnus-article-date-original) - - (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map) - "v" gnus-version - "f" gnus-summary-fetch-faq - "d" gnus-summary-describe-group - "h" gnus-summary-describe-briefly - "i" gnus-info-find-node) - - (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map) - "e" gnus-summary-expire-articles - "\M-\C-e" gnus-summary-expire-articles-now - "\177" gnus-summary-delete-article - [delete] gnus-summary-delete-article - "m" gnus-summary-move-article - "r" gnus-summary-respool-article - "w" gnus-summary-edit-article - "c" gnus-summary-copy-article - "B" gnus-summary-crosspost-article - "q" gnus-summary-respool-query - "i" gnus-summary-import-article) - - (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map) - "o" gnus-summary-save-article - "m" gnus-summary-save-article-mail - "r" gnus-summary-save-article-rmail - "f" gnus-summary-save-article-file - "b" gnus-summary-save-article-body-file - "h" gnus-summary-save-article-folder - "v" gnus-summary-save-article-vm - "p" gnus-summary-pipe-output - "s" gnus-soup-add-article) - ) - - - -(defun gnus-summary-mode (&optional group) - "Major mode for reading articles. - -All normal editing commands are switched off. -\\<gnus-summary-mode-map> -Each line in this buffer represents one article. To read an -article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards -and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]', -respectively. - -You can also post articles and send mail from this buffer. To -follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author -of an article, type `\\[gnus-summary-reply]'. - -There are approx. one gazillion commands you can execute in this -buffer; read the info pages for more information (`\\[gnus-info-find-node]'). - -The following commands are available: - -\\{gnus-summary-mode-map}" - (interactive) - (when (and menu-bar-mode - (gnus-visual-p 'summary-menu 'menu)) - (gnus-summary-make-menu-bar)) - (kill-all-local-variables) - (gnus-summary-make-local-variables) - (gnus-make-thread-indent-array) - (gnus-simplify-mode-line) - (setq major-mode 'gnus-summary-mode) - (setq mode-name "Summary") - (make-local-variable 'minor-mode-alist) - (use-local-map gnus-summary-mode-map) - (buffer-disable-undo (current-buffer)) - (setq buffer-read-only t) ;Disable modification - (setq truncate-lines t) - (setq selective-display t) - (setq selective-display-ellipses t) ;Display `...' - (setq buffer-display-table gnus-summary-display-table) - (setq gnus-newsgroup-name group) - (make-local-variable 'gnus-summary-line-format) - (make-local-variable 'gnus-summary-line-format-spec) - (make-local-variable 'gnus-summary-mark-positions) - (gnus-make-local-hook 'post-command-hook) - (gnus-add-hook 'post-command-hook 'gnus-clear-inboxes-moved nil t) - (run-hooks 'gnus-summary-mode-hook)) - -(defun gnus-summary-make-local-variables () - "Make all the local summary buffer variables." - (let ((locals gnus-summary-local-variables) - global local) - (while (setq local (pop locals)) - (if (consp local) - (progn - (if (eq (cdr local) 'global) - ;; Copy the global value of the variable. - (setq global (symbol-value (car local))) - ;; Use the value from the list. - (setq global (eval (cdr local)))) - (make-local-variable (car local)) - (set (car local) global)) - ;; Simple nil-valued local variable. - (make-local-variable local) - (set local nil))))) - -(defun gnus-summary-make-display-table () - ;; Change the display table. Odd characters have a tendency to mess - ;; up nicely formatted displays - we make all possible glyphs - ;; display only a single character. - - ;; We start from the standard display table, if any. - (setq gnus-summary-display-table - (or (copy-sequence standard-display-table) - (make-display-table))) - ;; Nix out all the control chars... - (let ((i 32)) - (while (>= (setq i (1- i)) 0) - (aset gnus-summary-display-table i [??]))) - ;; ... but not newline and cr, of course. (cr is necessary for the - ;; selective display). - (aset gnus-summary-display-table ?\n nil) - (aset gnus-summary-display-table ?\r nil) - ;; We nix out any glyphs over 126 that are not set already. - (let ((i 256)) - (while (>= (setq i (1- i)) 127) - ;; Only modify if the entry is nil. - (or (aref gnus-summary-display-table i) - (aset gnus-summary-display-table i [??]))))) - -(defun gnus-summary-clear-local-variables () - (let ((locals gnus-summary-local-variables)) - (while locals - (if (consp (car locals)) - (and (vectorp (caar locals)) - (set (caar locals) nil)) - (and (vectorp (car locals)) - (set (car locals) nil))) - (setq locals (cdr locals))))) - -;; Summary data functions. - -(defmacro gnus-data-number (data) - `(car ,data)) - -(defmacro gnus-data-set-number (data number) - `(setcar ,data ,number)) - -(defmacro gnus-data-mark (data) - `(nth 1 ,data)) - -(defmacro gnus-data-set-mark (data mark) - `(setcar (nthcdr 1 ,data) ,mark)) - -(defmacro gnus-data-pos (data) - `(nth 2 ,data)) - -(defmacro gnus-data-set-pos (data pos) - `(setcar (nthcdr 2 ,data) ,pos)) - -(defmacro gnus-data-header (data) - `(nth 3 ,data)) - -(defmacro gnus-data-level (data) - `(nth 4 ,data)) - -(defmacro gnus-data-unread-p (data) - `(= (nth 1 ,data) gnus-unread-mark)) - -(defmacro gnus-data-pseudo-p (data) - `(consp (nth 3 ,data))) - -(defmacro gnus-data-find (number) - `(assq ,number gnus-newsgroup-data)) - -(defmacro gnus-data-find-list (number &optional data) - `(let ((bdata ,(or data 'gnus-newsgroup-data))) - (memq (assq ,number bdata) - bdata))) - -(defmacro gnus-data-make (number mark pos header level) - `(list ,number ,mark ,pos ,header ,level)) - -(defun gnus-data-enter (after-article number mark pos header level offset) - (let ((data (gnus-data-find-list after-article))) - (or data (error "No such article: %d" after-article)) - (setcdr data (cons (gnus-data-make number mark pos header level) - (cdr data))) - (setq gnus-newsgroup-data-reverse nil) - (gnus-data-update-list (cddr data) offset))) - -(defun gnus-data-enter-list (after-article list &optional offset) - (when list - (let ((data (and after-article (gnus-data-find-list after-article))) - (ilist list)) - (or data (not after-article) (error "No such article: %d" after-article)) - ;; Find the last element in the list to be spliced into the main - ;; list. - (while (cdr list) - (setq list (cdr list))) - (if (not data) - (progn - (setcdr list gnus-newsgroup-data) - (setq gnus-newsgroup-data ilist) - (and offset (gnus-data-update-list (cdr list) offset))) - (setcdr list (cdr data)) - (setcdr data ilist) - (and offset (gnus-data-update-list (cdr data) offset))) - (setq gnus-newsgroup-data-reverse nil)))) - -(defun gnus-data-remove (article &optional offset) - (let ((data gnus-newsgroup-data)) - (if (= (gnus-data-number (car data)) article) - (setq gnus-newsgroup-data (cdr gnus-newsgroup-data) - gnus-newsgroup-data-reverse nil) - (while (cdr data) - (and (= (gnus-data-number (cadr data)) article) - (progn - (setcdr data (cddr data)) - (and offset (gnus-data-update-list (cdr data) offset)) - (setq data nil - gnus-newsgroup-data-reverse nil))) - (setq data (cdr data)))))) - -(defmacro gnus-data-list (backward) - `(if ,backward - (or gnus-newsgroup-data-reverse - (setq gnus-newsgroup-data-reverse - (reverse gnus-newsgroup-data))) - gnus-newsgroup-data)) - -(defun gnus-data-update-list (data offset) - "Add OFFSET to the POS of all data entries in DATA." - (while data - (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data)))) - (setq data (cdr data)))) - -(defun gnus-data-compute-positions () - "Compute the positions of all articles." - (let ((data gnus-newsgroup-data) - pos) - (while data - (when (setq pos (text-property-any - (point-min) (point-max) - 'gnus-number (gnus-data-number (car data)))) - (gnus-data-set-pos (car data) (+ pos 3))) - (setq data (cdr data))))) - -(defun gnus-summary-article-pseudo-p (article) - "Say whether this article is a pseudo article or not." - (not (vectorp (gnus-data-header (gnus-data-find article))))) - -(defun gnus-article-parent-p (number) - "Say whether this article is a parent or not." - (let ((data (gnus-data-find-list number))) - (and (cdr data) ; There has to be an article after... - (< (gnus-data-level (car data)) ; And it has to have a higher level. - (gnus-data-level (nth 1 data)))))) - -(defun gnus-article-children (number) - "Return a list of all children to NUMBER." - (let* ((data (gnus-data-find-list number)) - (level (gnus-data-level (car data))) - children) - (setq data (cdr data)) - (while (and data - (= (gnus-data-level (car data)) (1+ level))) - (push (gnus-data-number (car data)) children) - (setq data (cdr data))) - children)) - -(defmacro gnus-summary-skip-intangible () - "If the current article is intangible, then jump to a different article." - '(let ((to (get-text-property (point) 'gnus-intangible))) - (and to (gnus-summary-goto-subject to)))) - -(defmacro gnus-summary-article-intangible-p () - "Say whether this article is intangible or not." - '(get-text-property (point) 'gnus-intangible)) - -;; Some summary mode macros. - -(defmacro gnus-summary-article-number () - "The article number of the article on the current line. -If there isn's an article number here, then we return the current -article number." - '(progn - (gnus-summary-skip-intangible) - (or (get-text-property (point) 'gnus-number) - (gnus-summary-last-subject)))) - -(defmacro gnus-summary-article-header (&optional number) - `(gnus-data-header (gnus-data-find - ,(or number '(gnus-summary-article-number))))) - -(defmacro gnus-summary-thread-level (&optional number) - `(if (and (eq gnus-summary-make-false-root 'dummy) - (get-text-property (point) 'gnus-intangible)) - 0 - (gnus-data-level (gnus-data-find - ,(or number '(gnus-summary-article-number)))))) - -(defmacro gnus-summary-article-mark (&optional number) - `(gnus-data-mark (gnus-data-find - ,(or number '(gnus-summary-article-number))))) - -(defmacro gnus-summary-article-pos (&optional number) - `(gnus-data-pos (gnus-data-find - ,(or number '(gnus-summary-article-number))))) - -(defalias 'gnus-summary-subject-string 'gnus-summary-article-subject) -(defmacro gnus-summary-article-subject (&optional number) - "Return current subject string or nil if nothing." - `(let ((headers - ,(if number - `(gnus-data-header (assq ,number gnus-newsgroup-data)) - '(gnus-data-header (assq (gnus-summary-article-number) - gnus-newsgroup-data))))) - (and headers - (vectorp headers) - (mail-header-subject headers)))) - -(defmacro gnus-summary-article-score (&optional number) - "Return current article score." - `(or (cdr (assq ,(or number '(gnus-summary-article-number)) - gnus-newsgroup-scored)) - gnus-summary-default-score 0)) - -(defun gnus-summary-article-children (&optional number) - (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number)))) - (level (gnus-data-level (car data))) - l children) - (while (and (setq data (cdr data)) - (> (setq l (gnus-data-level (car data))) level)) - (and (= (1+ level) l) - (setq children (cons (gnus-data-number (car data)) - children)))) - (nreverse children))) - -(defun gnus-summary-article-parent (&optional number) - (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number)) - (gnus-data-list t))) - (level (gnus-data-level (car data)))) - (if (zerop level) - () ; This is a root. - ;; We search until we find an article with a level less than - ;; this one. That function has to be the parent. - (while (and (setq data (cdr data)) - (not (< (gnus-data-level (car data)) level)))) - (and data (gnus-data-number (car data)))))) - -(defun gnus-unread-mark-p (mark) - "Say whether MARK is the unread mark." - (= mark gnus-unread-mark)) - -(defun gnus-read-mark-p (mark) - "Say whether MARK is one of the marks that mark as read. -This is all marks except unread, ticked, dormant, and expirable." - (not (or (= mark gnus-unread-mark) - (= mark gnus-ticked-mark) - (= mark gnus-dormant-mark) - (= mark gnus-expirable-mark)))) - -;; Saving hidden threads. - -(put 'gnus-save-hidden-threads 'lisp-indent-function 0) -(put 'gnus-save-hidden-threads 'lisp-indent-hook 0) -(put 'gnus-save-hidden-threads 'edebug-form-spec '(body)) - -(defmacro gnus-save-hidden-threads (&rest forms) - "Save hidden threads, eval FORMS, and restore the hidden threads." - (let ((config (make-symbol "config"))) - `(let ((,config (gnus-hidden-threads-configuration))) - (unwind-protect - (progn - ,@forms) - (gnus-restore-hidden-threads-configuration ,config))))) - -(defun gnus-hidden-threads-configuration () - "Return the current hidden threads configuration." - (save-excursion - (let (config) - (goto-char (point-min)) - (while (search-forward "\r" nil t) - (push (1- (point)) config)) - config))) - -(defun gnus-restore-hidden-threads-configuration (config) - "Restore hidden threads configuration from CONFIG." - (let (point buffer-read-only) - (while (setq point (pop config)) - (when (and (< point (point-max)) - (goto-char point) - (= (following-char) ?\n)) - (subst-char-in-region point (1+ point) ?\n ?\r))))) - -;; Various summary mode internalish functions. - -(defun gnus-mouse-pick-article (e) - (interactive "e") - (mouse-set-point e) - (gnus-summary-next-page nil t)) - -(defun gnus-summary-setup-buffer (group) - "Initialize summary buffer." - (let ((buffer (concat "*Summary " group "*"))) - (if (get-buffer buffer) - (progn - (set-buffer buffer) - (setq gnus-summary-buffer (current-buffer)) - (not gnus-newsgroup-prepared)) - ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu> - (setq gnus-summary-buffer (set-buffer (get-buffer-create buffer))) - (gnus-add-current-to-buffer-list) - (gnus-summary-mode group) - (when gnus-carpal - (gnus-carpal-setup-buffer 'summary)) - (unless gnus-single-article-buffer - (make-local-variable 'gnus-article-buffer) - (make-local-variable 'gnus-article-current) - (make-local-variable 'gnus-original-article-buffer)) - (setq gnus-newsgroup-name group) - t))) - -(defun gnus-set-global-variables () - ;; Set the global equivalents of the summary buffer-local variables - ;; to the latest values they had. These reflect the summary buffer - ;; that was in action when the last article was fetched. - (when (eq major-mode 'gnus-summary-mode) - (setq gnus-summary-buffer (current-buffer)) - (let ((name gnus-newsgroup-name) - (marked gnus-newsgroup-marked) - (unread gnus-newsgroup-unreads) - (headers gnus-current-headers) - (data gnus-newsgroup-data) - (summary gnus-summary-buffer) - (article-buffer gnus-article-buffer) - (original gnus-original-article-buffer) - (gac gnus-article-current) - (score-file gnus-current-score-file)) - (save-excursion - (set-buffer gnus-group-buffer) - (setq gnus-newsgroup-name name) - (setq gnus-newsgroup-marked marked) - (setq gnus-newsgroup-unreads unread) - (setq gnus-current-headers headers) - (setq gnus-newsgroup-data data) - (setq gnus-article-current gac) - (setq gnus-summary-buffer summary) - (setq gnus-article-buffer article-buffer) - (setq gnus-original-article-buffer original) - (setq gnus-current-score-file score-file))))) - -(defun gnus-summary-last-article-p (&optional article) - "Return whether ARTICLE is the last article in the buffer." - (if (not (setq article (or article (gnus-summary-article-number)))) - t ; All non-existant numbers are the last article. :-) - (not (cdr (gnus-data-find-list article))))) - -(defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number) - "Insert a dummy root in the summary buffer." - (beginning-of-line) - (gnus-add-text-properties - (point) (progn (eval gnus-summary-dummy-line-format-spec) (point)) - (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number))) - -(defun gnus-make-thread-indent-array () - (let ((n 200)) - (unless (and gnus-thread-indent-array - (= gnus-thread-indent-level gnus-thread-indent-array-level)) - (setq gnus-thread-indent-array (make-vector 201 "") - gnus-thread-indent-array-level gnus-thread-indent-level) - (while (>= n 0) - (aset gnus-thread-indent-array n - (make-string (* n gnus-thread-indent-level) ? )) - (setq n (1- n)))))) - -(defun gnus-summary-insert-line - (gnus-tmp-header gnus-tmp-level gnus-tmp-current gnus-tmp-unread - gnus-tmp-replied gnus-tmp-expirable gnus-tmp-subject-or-nil - &optional gnus-tmp-dummy gnus-tmp-score gnus-tmp-process) - (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level)) - (gnus-tmp-lines (mail-header-lines gnus-tmp-header)) - (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0)) - (gnus-tmp-score-char - (if (or (null gnus-summary-default-score) - (<= (abs (- gnus-tmp-score gnus-summary-default-score)) - gnus-summary-zcore-fuzz)) ? - (if (< gnus-tmp-score gnus-summary-default-score) - gnus-score-below-mark gnus-score-over-mark))) - (gnus-tmp-replied (cond (gnus-tmp-process gnus-process-mark) - ((memq gnus-tmp-current gnus-newsgroup-cached) - gnus-cached-mark) - (gnus-tmp-replied gnus-replied-mark) - ((memq gnus-tmp-current gnus-newsgroup-saved) - gnus-saved-mark) - (t gnus-unread-mark))) - (gnus-tmp-from (mail-header-from gnus-tmp-header)) - (gnus-tmp-name - (cond - ((string-match "(.+)" gnus-tmp-from) - (substring gnus-tmp-from - (1+ (match-beginning 0)) (1- (match-end 0)))) - ((string-match "<[^>]+> *$" gnus-tmp-from) - (let ((beg (match-beginning 0))) - (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from) - (substring gnus-tmp-from (1+ (match-beginning 0)) - (1- (match-end 0)))) - (substring gnus-tmp-from 0 beg)))) - (t gnus-tmp-from))) - (gnus-tmp-subject (mail-header-subject gnus-tmp-header)) - (gnus-tmp-number (mail-header-number gnus-tmp-header)) - (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[)) - (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\])) - (buffer-read-only nil)) - (when (string= gnus-tmp-name "") - (setq gnus-tmp-name gnus-tmp-from)) - (or (numberp gnus-tmp-lines) (setq gnus-tmp-lines 0)) - (gnus-put-text-property - (point) - (progn (eval gnus-summary-line-format-spec) (point)) - 'gnus-number gnus-tmp-number) - (when (gnus-visual-p 'summary-highlight 'highlight) - (forward-line -1) - (run-hooks 'gnus-summary-update-hook) - (forward-line 1)))) - -(defun gnus-summary-update-line (&optional dont-update) - ;; Update summary line after change. - (when (and gnus-summary-default-score - (not gnus-summary-inhibit-highlight)) - (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion. - (article (gnus-summary-article-number)) - (score (gnus-summary-article-score article))) - (unless dont-update - (if (and gnus-summary-mark-below - (< (gnus-summary-article-score) - gnus-summary-mark-below)) - ;; This article has a low score, so we mark it as read. - (when (memq article gnus-newsgroup-unreads) - (gnus-summary-mark-article-as-read gnus-low-score-mark)) - (when (eq (gnus-summary-article-mark) gnus-low-score-mark) - ;; This article was previously marked as read on account - ;; of a low score, but now it has risen, so we mark it as - ;; unread. - (gnus-summary-mark-article-as-unread gnus-unread-mark))) - (gnus-summary-update-mark - (if (or (null gnus-summary-default-score) - (<= (abs (- score gnus-summary-default-score)) - gnus-summary-zcore-fuzz)) ? - (if (< score gnus-summary-default-score) - gnus-score-below-mark gnus-score-over-mark)) 'score)) - ;; Do visual highlighting. - (when (gnus-visual-p 'summary-highlight 'highlight) - (run-hooks 'gnus-summary-update-hook))))) - -(defvar gnus-tmp-new-adopts nil) - -(defun gnus-summary-number-of-articles-in-thread (thread &optional level char) - ;; Sum up all elements (and sub-elements) in a list. - (let* ((number - ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>. - (cond - ((and (consp thread) (cdr thread)) - (apply - '+ 1 (mapcar - 'gnus-summary-number-of-articles-in-thread (cdr thread)))) - ((null thread) - 1) - ((memq (mail-header-number (car thread)) gnus-newsgroup-limit) - 1) - (t 0)))) - (when (and level (zerop level) gnus-tmp-new-adopts) - (incf number - (apply '+ (mapcar - 'gnus-summary-number-of-articles-in-thread - gnus-tmp-new-adopts)))) - (if char - (if (> number 1) gnus-not-empty-thread-mark - gnus-empty-thread-mark) - number))) - -(defun gnus-summary-set-local-parameters (group) - "Go through the local params of GROUP and set all variable specs in that list." - (let ((params (gnus-info-params (gnus-get-info group))) - elem) - (while params - (setq elem (car params) - params (cdr params)) - (and (consp elem) ; Has to be a cons. - (consp (cdr elem)) ; The cdr has to be a list. - (symbolp (car elem)) ; Has to be a symbol in there. - (not (memq (car elem) - '(quit-config to-address to-list to-group))) - (progn ; So we set it. - (make-local-variable (car elem)) - (set (car elem) (eval (nth 1 elem)))))))) - -(defun gnus-summary-read-group (group &optional show-all no-article - kill-buffer no-display) - "Start reading news in newsgroup GROUP. -If SHOW-ALL is non-nil, already read articles are also listed. -If NO-ARTICLE is non-nil, no article is selected initially. -If NO-DISPLAY, don't generate a summary buffer." - (gnus-message 5 "Retrieving newsgroup: %s..." group) - (let* ((new-group (gnus-summary-setup-buffer group)) - (quit-config (gnus-group-quit-config group)) - (did-select (and new-group (gnus-select-newsgroup group show-all)))) - (cond - ;; This summary buffer exists already, so we just select it. - ((not new-group) - (gnus-set-global-variables) - (when kill-buffer - (gnus-kill-or-deaden-summary kill-buffer)) - (gnus-configure-windows 'summary 'force) - (gnus-set-mode-line 'summary) - (gnus-summary-position-point) - (message "") - t) - ;; We couldn't select this group. - ((null did-select) - (when (and (eq major-mode 'gnus-summary-mode) - (not (equal (current-buffer) kill-buffer))) - (kill-buffer (current-buffer)) - (if (not quit-config) - (progn - (set-buffer gnus-group-buffer) - (gnus-group-jump-to-group group) - (gnus-group-next-unread-group 1)) - (if (not (buffer-name (car quit-config))) - (gnus-configure-windows 'group 'force) - (set-buffer (car quit-config)) - (and (eq major-mode 'gnus-summary-mode) - (gnus-set-global-variables)) - (gnus-configure-windows (cdr quit-config))))) - (gnus-message 3 "Can't select group") - nil) - ;; The user did a `C-g' while prompting for number of articles, - ;; so we exit this group. - ((eq did-select 'quit) - (and (eq major-mode 'gnus-summary-mode) - (not (equal (current-buffer) kill-buffer)) - (kill-buffer (current-buffer))) - (when kill-buffer - (gnus-kill-or-deaden-summary kill-buffer)) - (if (not quit-config) - (progn - (set-buffer gnus-group-buffer) - (gnus-group-jump-to-group group) - (gnus-group-next-unread-group 1) - (gnus-configure-windows 'group 'force)) - (if (not (buffer-name (car quit-config))) - (gnus-configure-windows 'group 'force) - (set-buffer (car quit-config)) - (and (eq major-mode 'gnus-summary-mode) - (gnus-set-global-variables)) - (gnus-configure-windows (cdr quit-config)))) - ;; Finally signal the quit. - (signal 'quit nil)) - ;; The group was successfully selected. - (t - (gnus-set-global-variables) - ;; Save the active value in effect when the group was entered. - (setq gnus-newsgroup-active - (gnus-copy-sequence - (gnus-active gnus-newsgroup-name))) - ;; You can change the summary buffer in some way with this hook. - (run-hooks 'gnus-select-group-hook) - ;; Set any local variables in the group parameters. - (gnus-summary-set-local-parameters gnus-newsgroup-name) - (gnus-update-format-specifications) - ;; Do score processing. - (when gnus-use-scoring - (gnus-possibly-score-headers)) - ;; Check whether to fill in the gaps in the threads. - (when gnus-build-sparse-threads - (gnus-build-sparse-threads)) - ;; Find the initial limit. - (if gnus-show-threads - (if show-all - (let ((gnus-newsgroup-dormant nil)) - (gnus-summary-initial-limit show-all)) - (gnus-summary-initial-limit show-all)) - (setq gnus-newsgroup-limit - (mapcar - (lambda (header) (mail-header-number header)) - gnus-newsgroup-headers))) - ;; Generate the summary buffer. - (unless no-display - (gnus-summary-prepare)) - (when gnus-use-trees - (gnus-tree-open group) - (setq gnus-summary-highlight-line-function - 'gnus-tree-highlight-article)) - ;; If the summary buffer is empty, but there are some low-scored - ;; articles or some excluded dormants, we include these in the - ;; buffer. - (when (and (zerop (buffer-size)) - (not no-display)) - (cond (gnus-newsgroup-dormant - (gnus-summary-limit-include-dormant)) - ((and gnus-newsgroup-scored show-all) - (gnus-summary-limit-include-expunged)))) - ;; Function `gnus-apply-kill-file' must be called in this hook. - (run-hooks 'gnus-apply-kill-hook) - (if (and (zerop (buffer-size)) - (not no-display)) - (progn - ;; This newsgroup is empty. - (gnus-summary-catchup-and-exit nil t) ;Without confirmations. - (gnus-message 6 "No unread news") - (when kill-buffer - (gnus-kill-or-deaden-summary kill-buffer)) - ;; Return nil from this function. - nil) - ;; Hide conversation thread subtrees. We cannot do this in - ;; gnus-summary-prepare-hook since kill processing may not - ;; work with hidden articles. - (and gnus-show-threads - gnus-thread-hide-subtree - (gnus-summary-hide-all-threads)) - ;; Show first unread article if requested. - (if (and (not no-article) - (not no-display) - gnus-newsgroup-unreads - gnus-auto-select-first) - (unless (if (eq gnus-auto-select-first 'best) - (gnus-summary-best-unread-article) - (gnus-summary-first-unread-article)) - (gnus-configure-windows 'summary)) - ;; Don't select any articles, just move point to the first - ;; article in the group. - (goto-char (point-min)) - (gnus-summary-position-point) - (gnus-set-mode-line 'summary) - (gnus-configure-windows 'summary 'force)) - ;; If we are in async mode, we send some info to the backend. - (when gnus-newsgroup-async - (gnus-request-asynchronous gnus-newsgroup-name gnus-newsgroup-data)) - (when kill-buffer - (gnus-kill-or-deaden-summary kill-buffer)) - (when (get-buffer-window gnus-group-buffer t) - ;; Gotta use windows, because recenter does wierd stuff if - ;; the current buffer ain't the displayed window. - (let ((owin (selected-window))) - (select-window (get-buffer-window gnus-group-buffer t)) - (when (gnus-group-goto-group group) - (recenter)) - (select-window owin)))) - ;; Mark this buffer as "prepared". - (setq gnus-newsgroup-prepared t) - t)))) - -(defun gnus-summary-prepare () - "Generate the summary buffer." - (let ((buffer-read-only nil)) - (erase-buffer) - (setq gnus-newsgroup-data nil - gnus-newsgroup-data-reverse nil) - (run-hooks 'gnus-summary-generate-hook) - ;; Generate the buffer, either with threads or without. - (when gnus-newsgroup-headers - (gnus-summary-prepare-threads - (if gnus-show-threads - (gnus-sort-gathered-threads - (funcall gnus-summary-thread-gathering-function - (gnus-sort-threads - (gnus-cut-threads (gnus-make-threads))))) - ;; Unthreaded display. - (gnus-sort-articles gnus-newsgroup-headers)))) - (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data)) - ;; Call hooks for modifying summary buffer. - (goto-char (point-min)) - (run-hooks 'gnus-summary-prepare-hook))) - -(defun gnus-gather-threads-by-subject (threads) - "Gather threads by looking at Subject headers." - (if (not gnus-summary-make-false-root) - threads - (let ((hashtb (gnus-make-hashtable 1023)) - (prev threads) - (result threads) - subject hthread whole-subject) - (while threads - (setq whole-subject (mail-header-subject (caar threads))) - (setq subject - (cond - ;; Truncate the subject. - ((numberp gnus-summary-gather-subject-limit) - (setq subject (gnus-simplify-subject-re whole-subject)) - (if (> (length subject) gnus-summary-gather-subject-limit) - (substring subject 0 gnus-summary-gather-subject-limit) - subject)) - ;; Fuzzily simplify it. - ((eq 'fuzzy gnus-summary-gather-subject-limit) - (gnus-simplify-subject-fuzzy whole-subject)) - ;; Just remove the leading "Re:". - (t - (gnus-simplify-subject-re whole-subject)))) - - (if (and gnus-summary-gather-exclude-subject - (string-match gnus-summary-gather-exclude-subject - subject)) - () ; We don't want to do anything with this article. - ;; We simplify the subject before looking it up in the - ;; hash table. - - (if (setq hthread (gnus-gethash subject hashtb)) - (progn - ;; We enter a dummy root into the thread, if we - ;; haven't done that already. - (unless (stringp (caar hthread)) - (setcar hthread (list whole-subject (car hthread)))) - ;; We add this new gathered thread to this gathered - ;; thread. - (setcdr (car hthread) - (nconc (cdar hthread) (list (car threads)))) - ;; Remove it from the list of threads. - (setcdr prev (cdr threads)) - (setq threads prev)) - ;; Enter this thread into the hash table. - (gnus-sethash subject threads hashtb))) - (setq prev threads) - (setq threads (cdr threads))) - result))) - -(defun gnus-gather-threads-by-references (threads) - "Gather threads by looking at References headers." - (let ((idhashtb (gnus-make-hashtable 1023)) - (thhashtb (gnus-make-hashtable 1023)) - (prev threads) - (result threads) - ids references id gthread gid entered) - (while threads - (when (setq references (mail-header-references (caar threads))) - (setq id (mail-header-id (caar threads))) - (setq ids (gnus-split-references references)) - (setq entered nil) - (while ids - (if (not (setq gid (gnus-gethash (car ids) idhashtb))) - (progn - (gnus-sethash (car ids) id idhashtb) - (gnus-sethash id threads thhashtb)) - (setq gthread (gnus-gethash gid thhashtb)) - (unless entered - ;; We enter a dummy root into the thread, if we - ;; haven't done that already. - (unless (stringp (caar gthread)) - (setcar gthread (list (mail-header-subject (caar gthread)) - (car gthread)))) - ;; We add this new gathered thread to this gathered - ;; thread. - (setcdr (car gthread) - (nconc (cdar gthread) (list (car threads))))) - ;; Add it into the thread hash table. - (gnus-sethash id gthread thhashtb) - (setq entered t) - ;; Remove it from the list of threads. - (setcdr prev (cdr threads)) - (setq threads prev)) - (setq ids (cdr ids)))) - (setq prev threads) - (setq threads (cdr threads))) - result)) - -(defun gnus-sort-gathered-threads (threads) - "Sort subtreads inside each gathered thread by article number." - (let ((result threads)) - (while threads - (when (stringp (caar threads)) - (setcdr (car threads) - (sort (cdar threads) 'gnus-thread-sort-by-number))) - (setq threads (cdr threads))) - result)) - -(defun gnus-make-threads () - "Go through the dependency hashtb and find the roots. Return all threads." - (let (threads) - (mapatoms - (lambda (refs) - (unless (car (symbol-value refs)) - ;; These threads do not refer back to any other articles, - ;; so they're roots. - (setq threads (append (cdr (symbol-value refs)) threads)))) - gnus-newsgroup-dependencies) - threads)) - -(defun gnus-build-sparse-threads () - (let ((headers gnus-newsgroup-headers) - (deps gnus-newsgroup-dependencies) - header references generation relations - cthread subject child end pthread relation) - ;; First we create an alist of generations/relations, where - ;; generations is how much we trust the ralation, and the relation - ;; is parent/child. - (gnus-message 7 "Making sparse threads...") - (save-excursion - (nnheader-set-temp-buffer " *gnus sparse threads*") - (while (setq header (pop headers)) - (when (and (setq references (mail-header-references header)) - (not (string= references ""))) - (insert references) - (setq child (mail-header-id header) - subject (mail-header-subject header)) - (setq generation 0) - (while (search-backward ">" nil t) - (setq end (1+ (point))) - (when (search-backward "<" nil t) - (push (list (incf generation) - child (setq child (buffer-substring (point) end)) - subject) - relations))) - (push (list (1+ generation) child nil subject) relations) - (erase-buffer))) - (kill-buffer (current-buffer))) - ;; Sort over trustworthiness. - (setq relations (sort relations (lambda (r1 r2) (< (car r1) (car r2))))) - (while (setq relation (pop relations)) - (when (if (boundp (setq cthread (intern (cadr relation) deps))) - (unless (car (symbol-value cthread)) - ;; Make this article the parent of these threads. - (setcar (symbol-value cthread) - (vector gnus-reffed-article-number - (cadddr relation) - "" "" - (cadr relation) - (or (caddr relation) "") 0 0 ""))) - (set cthread (list (vector gnus-reffed-article-number - (cadddr relation) - "" "" (cadr relation) - (or (caddr relation) "") 0 0 "")))) - (push gnus-reffed-article-number gnus-newsgroup-limit) - (push gnus-reffed-article-number gnus-newsgroup-sparse) - (push (cons gnus-reffed-article-number gnus-sparse-mark) - gnus-newsgroup-reads) - (decf gnus-reffed-article-number) - ;; Make this new thread the child of its parent. - (if (boundp (setq pthread (intern (or (caddr relation) "none") deps))) - (setcdr (symbol-value pthread) - (nconc (cdr (symbol-value pthread)) - (list (symbol-value cthread)))) - (set pthread (list nil (symbol-value cthread)))))) - (gnus-message 7 "Making sparse threads...done"))) - -(defun gnus-build-old-threads () - ;; Look at all the articles that refer back to old articles, and - ;; fetch the headers for the articles that aren't there. This will - ;; build complete threads - if the roots haven't been expired by the - ;; server, that is. - (let (id heads) - (mapatoms - (lambda (refs) - (when (not (car (symbol-value refs))) - (setq heads (cdr (symbol-value refs))) - (while heads - (if (memq (mail-header-number (caar heads)) - gnus-newsgroup-dormant) - (setq heads (cdr heads)) - (setq id (symbol-name refs)) - (while (and (setq id (gnus-build-get-header id)) - (not (car (gnus-gethash - id gnus-newsgroup-dependencies))))) - (setq heads nil))))) - gnus-newsgroup-dependencies))) - -(defun gnus-build-get-header (id) - ;; Look through the buffer of NOV lines and find the header to - ;; ID. Enter this line into the dependencies hash table, and return - ;; the id of the parent article (if any). - (let ((deps gnus-newsgroup-dependencies) - found header) - (prog1 - (save-excursion - (set-buffer nntp-server-buffer) - (goto-char (point-min)) - (while (and (not found) (search-forward id nil t)) - (beginning-of-line) - (setq found (looking-at - (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s" - (regexp-quote id)))) - (or found (beginning-of-line 2))) - (when found - (beginning-of-line) - (and - (setq header (gnus-nov-parse-line - (read (current-buffer)) deps)) - (gnus-parent-id (mail-header-references header))))) - (when header - (let ((number (mail-header-number header))) - (push number gnus-newsgroup-limit) - (push header gnus-newsgroup-headers) - (if (memq number gnus-newsgroup-unselected) - (progn - (push number gnus-newsgroup-unreads) - (setq gnus-newsgroup-unselected - (delq number gnus-newsgroup-unselected))) - (push number gnus-newsgroup-ancient))))))) - -(defun gnus-summary-update-article (article &optional iheader) - "Update ARTICLE in the summary buffer." - (set-buffer gnus-summary-buffer) - (let* ((header (or iheader (gnus-summary-article-header article))) - (id (mail-header-id header)) - (data (gnus-data-find article)) - (thread (gnus-id-to-thread id)) - (references (mail-header-references header)) - (parent - (gnus-id-to-thread - (or (gnus-parent-id - (if (and references - (not (equal "" references))) - references)) - "none"))) - (buffer-read-only nil) - (old (car thread)) - (number (mail-header-number header)) - pos) - (when thread - ;; !!! Should this be in or not? - (unless iheader - (setcar thread nil)) - (when parent - (delq thread parent)) - (if (gnus-summary-insert-subject id header iheader) - ;; Set the (possibly) new article number in the data structure. - (gnus-data-set-number data (gnus-id-to-article id)) - (setcar thread old) - nil)))) - -(defun gnus-rebuild-thread (id) - "Rebuild the thread containing ID." - (let ((buffer-read-only nil) - current thread data) - (if (not gnus-show-threads) - (setq thread (list (car (gnus-id-to-thread id)))) - ;; Get the thread this article is part of. - (setq thread (gnus-remove-thread id))) - (setq current (save-excursion - (and (zerop (forward-line -1)) - (gnus-summary-article-number)))) - ;; If this is a gathered thread, we have to go some re-gathering. - (when (stringp (car thread)) - (let ((subject (car thread)) - roots thr) - (setq thread (cdr thread)) - (while thread - (unless (memq (setq thr (gnus-id-to-thread - (gnus-root-id - (mail-header-id (caar thread))))) - roots) - (push thr roots)) - (setq thread (cdr thread))) - ;; We now have all (unique) roots. - (if (= (length roots) 1) - ;; All the loose roots are now one solid root. - (setq thread (car roots)) - (setq thread (cons subject (gnus-sort-threads roots)))))) - (let (threads) - ;; We then insert this thread into the summary buffer. - (let (gnus-newsgroup-data gnus-newsgroup-threads) - (gnus-summary-prepare-threads (gnus-cut-threads (list thread))) - (setq data (nreverse gnus-newsgroup-data)) - (setq threads gnus-newsgroup-threads)) - ;; We splice the new data into the data structure. - (gnus-data-enter-list current data) - (gnus-data-compute-positions) - (setq gnus-newsgroup-threads (nconc threads gnus-newsgroup-threads))))) - -(defun gnus-number-to-header (number) - "Return the header for article NUMBER." - (let ((headers gnus-newsgroup-headers)) - (while (and headers - (not (= number (mail-header-number (car headers))))) - (pop headers)) - (when headers - (car headers)))) - -(defun gnus-id-to-thread (id) - "Return the (sub-)thread where ID appears." - (gnus-gethash id gnus-newsgroup-dependencies)) - -(defun gnus-id-to-article (id) - "Return the article number of ID." - (let ((thread (gnus-id-to-thread id))) - (when (and thread - (car thread)) - (mail-header-number (car thread))))) - -(defun gnus-id-to-header (id) - "Return the article headers of ID." - (car (gnus-id-to-thread id))) - -(defun gnus-article-displayed-root-p (article) - "Say whether ARTICLE is a root(ish) article." - (let ((level (gnus-summary-thread-level article)) - (refs (mail-header-references (gnus-summary-article-header article))) - particle) - (cond - ((null level) nil) - ((zerop level) t) - ((null refs) t) - ((null (gnus-parent-id refs)) t) - ((and (= 1 level) - (null (setq particle (gnus-id-to-article - (gnus-parent-id refs)))) - (null (gnus-summary-thread-level particle))))))) - -(defun gnus-root-id (id) - "Return the id of the root of the thread where ID appears." - (let (last-id prev) - (while (and id (setq prev (car (gnus-gethash - id gnus-newsgroup-dependencies)))) - (setq last-id id - id (gnus-parent-id (mail-header-references prev)))) - last-id)) - -(defun gnus-remove-thread (id &optional dont-remove) - "Remove the thread that has ID in it." - (let ((dep gnus-newsgroup-dependencies) - headers thread last-id) - ;; First go up in this thread until we find the root. - (setq last-id (gnus-root-id id)) - (setq headers (list (car (gnus-id-to-thread last-id)) - (caadr (gnus-id-to-thread last-id)))) - ;; We have now found the real root of this thread. It might have - ;; been gathered into some loose thread, so we have to search - ;; through the threads to find the thread we wanted. - (let ((threads gnus-newsgroup-threads) - sub) - (while threads - (setq sub (car threads)) - (if (stringp (car sub)) - ;; This is a gathered threads, so we look at the roots - ;; below it to find whether this article in in this - ;; gathered root. - (progn - (setq sub (cdr sub)) - (while sub - (when (member (caar sub) headers) - (setq thread (car threads) - threads nil - sub nil)) - (setq sub (cdr sub)))) - ;; It's an ordinary thread, so we check it. - (when (eq (car sub) (car headers)) - (setq thread sub - threads nil))) - (setq threads (cdr threads))) - ;; If this article is in no thread, then it's a root. - (if thread - (unless dont-remove - (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads))) - (setq thread (gnus-gethash last-id dep))) - (when thread - (prog1 - thread ; We return this thread. - (unless dont-remove - (if (stringp (car thread)) - (progn - ;; If we use dummy roots, then we have to remove the - ;; dummy root as well. - (when (eq gnus-summary-make-false-root 'dummy) - ;; Uhm. - ) - (setq thread (cdr thread)) - (while thread - (gnus-remove-thread-1 (car thread)) - (setq thread (cdr thread)))) - (gnus-remove-thread-1 thread)))))))) - -(defun gnus-remove-thread-1 (thread) - "Remove the thread THREAD recursively." - (let ((number (mail-header-number (car thread))) - pos) - (when (setq pos (text-property-any - (point-min) (point-max) 'gnus-number number)) - (goto-char pos) - (gnus-delete-line) - (gnus-data-remove number)) - (setq thread (cdr thread)) - (while thread - (gnus-remove-thread-1 (pop thread))))) - -(defun gnus-sort-threads (threads) - "Sort THREADS." - (if (not gnus-thread-sort-functions) - threads - (let ((func (if (= 1 (length gnus-thread-sort-functions)) - (car gnus-thread-sort-functions) - `(lambda (t1 t2) - ,(gnus-make-sort-function - (reverse gnus-thread-sort-functions)))))) - (gnus-message 7 "Sorting threads...") - (prog1 - (sort threads func) - (gnus-message 7 "Sorting threads...done"))))) - -(defun gnus-sort-articles (articles) - "Sort ARTICLES." - (when gnus-article-sort-functions - (let ((func (if (= 1 (length gnus-article-sort-functions)) - (car gnus-article-sort-functions) - `(lambda (t1 t2) - ,(gnus-make-sort-function - (reverse gnus-article-sort-functions)))))) - (gnus-message 7 "Sorting articles...") - (prog1 - (setq gnus-newsgroup-headers (sort articles func)) - (gnus-message 7 "Sorting articles...done"))))) - -(defun gnus-make-sort-function (funs) - "Return a composite sort condition based on the functions in FUNC." - (if (cdr funs) - `(or (,(car funs) t1 t2) - (and (not (,(car funs) t2 t1)) - ,(gnus-make-sort-function (cdr funs)))) - `(,(car funs) t1 t2))) - -;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>. -(defmacro gnus-thread-header (thread) - ;; Return header of first article in THREAD. - ;; Note that THREAD must never, ever be anything else than a variable - - ;; using some other form will lead to serious barfage. - (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread))) - ;; (8% speedup to gnus-summary-prepare, just for fun :-) - (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207" ; - (vector thread) 2)) - -(defsubst gnus-article-sort-by-number (h1 h2) - "Sort articles by article number." - (< (mail-header-number h1) - (mail-header-number h2))) - -(defun gnus-thread-sort-by-number (h1 h2) - "Sort threads by root article number." - (gnus-article-sort-by-number - (gnus-thread-header h1) (gnus-thread-header h2))) - -(defsubst gnus-article-sort-by-author (h1 h2) - "Sort articles by root author." - (string-lessp - (let ((extract (funcall - gnus-extract-address-components - (mail-header-from h1)))) - (or (car extract) (cdr extract))) - (let ((extract (funcall - gnus-extract-address-components - (mail-header-from h2)))) - (or (car extract) (cdr extract))))) - -(defun gnus-thread-sort-by-author (h1 h2) - "Sort threads by root author." - (gnus-article-sort-by-author - (gnus-thread-header h1) (gnus-thread-header h2))) - -(defsubst gnus-article-sort-by-subject (h1 h2) - "Sort articles by root subject." - (string-lessp - (downcase (gnus-simplify-subject-re (mail-header-subject h1))) - (downcase (gnus-simplify-subject-re (mail-header-subject h2))))) - -(defun gnus-thread-sort-by-subject (h1 h2) - "Sort threads by root subject." - (gnus-article-sort-by-subject - (gnus-thread-header h1) (gnus-thread-header h2))) - -(defsubst gnus-article-sort-by-date (h1 h2) - "Sort articles by root article date." - (string-lessp - (inline (gnus-sortable-date (mail-header-date h1))) - (inline (gnus-sortable-date (mail-header-date h2))))) - -(defun gnus-thread-sort-by-date (h1 h2) - "Sort threads by root article date." - (gnus-article-sort-by-date - (gnus-thread-header h1) (gnus-thread-header h2))) - -(defsubst gnus-article-sort-by-score (h1 h2) - "Sort articles by root article score. -Unscored articles will be counted as having a score of zero." - (> (or (cdr (assq (mail-header-number h1) - gnus-newsgroup-scored)) - gnus-summary-default-score 0) - (or (cdr (assq (mail-header-number h2) - gnus-newsgroup-scored)) - gnus-summary-default-score 0))) - -(defun gnus-thread-sort-by-score (h1 h2) - "Sort threads by root article score." - (gnus-article-sort-by-score - (gnus-thread-header h1) (gnus-thread-header h2))) - -(defun gnus-thread-sort-by-total-score (h1 h2) - "Sort threads by the sum of all scores in the thread. -Unscored articles will be counted as having a score of zero." - (> (gnus-thread-total-score h1) (gnus-thread-total-score h2))) - -(defun gnus-thread-total-score (thread) - ;; This function find the total score of THREAD. - (cond ((null thread) - 0) - ((consp thread) - (if (stringp (car thread)) - (apply gnus-thread-score-function 0 - (mapcar 'gnus-thread-total-score-1 (cdr thread))) - (gnus-thread-total-score-1 thread))) - (t - (gnus-thread-total-score-1 (list thread))))) - -(defun gnus-thread-total-score-1 (root) - ;; This function find the total score of the thread below ROOT. - (setq root (car root)) - (apply gnus-thread-score-function - (or (append - (mapcar 'gnus-thread-total-score - (cdr (gnus-gethash (mail-header-id root) - gnus-newsgroup-dependencies))) - (if (> (mail-header-number root) 0) - (list (or (cdr (assq (mail-header-number root) - gnus-newsgroup-scored)) - gnus-summary-default-score 0)))) - (list gnus-summary-default-score) - '(0)))) - -;; Added by Per Abrahamsen <amanda@iesd.auc.dk>. -(defvar gnus-tmp-prev-subject nil) -(defvar gnus-tmp-false-parent nil) -(defvar gnus-tmp-root-expunged nil) -(defvar gnus-tmp-dummy-line nil) - -(defun gnus-summary-prepare-threads (threads) - "Prepare summary buffer from THREADS and indentation LEVEL. -THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])' -or a straight list of headers." - (gnus-message 7 "Generating summary...") - - (setq gnus-newsgroup-threads threads) - (beginning-of-line) - - (let ((gnus-tmp-level 0) - (default-score (or gnus-summary-default-score 0)) - (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight)) - thread number subject stack state gnus-tmp-gathered beg-match - new-roots gnus-tmp-new-adopts thread-end - gnus-tmp-header gnus-tmp-unread - gnus-tmp-replied gnus-tmp-subject-or-nil - gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score - gnus-tmp-score-char gnus-tmp-from gnus-tmp-name - gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket) - - (setq gnus-tmp-prev-subject nil) - - (if (vectorp (car threads)) - ;; If this is a straight (sic) list of headers, then a - ;; threaded summary display isn't required, so we just create - ;; an unthreaded one. - (gnus-summary-prepare-unthreaded threads) - - ;; Do the threaded display. - - (while (or threads stack gnus-tmp-new-adopts new-roots) - - (if (and (= gnus-tmp-level 0) - (not (setq gnus-tmp-dummy-line nil)) - (or (not stack) - (= (caar stack) 0)) - (not gnus-tmp-false-parent) - (or gnus-tmp-new-adopts new-roots)) - (if gnus-tmp-new-adopts - (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1) - thread (list (car gnus-tmp-new-adopts)) - gnus-tmp-header (caar thread) - gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts)) - (if new-roots - (setq thread (list (car new-roots)) - gnus-tmp-header (caar thread) - new-roots (cdr new-roots)))) - - (if threads - ;; If there are some threads, we do them before the - ;; threads on the stack. - (setq thread threads - gnus-tmp-header (caar thread)) - ;; There were no current threads, so we pop something off - ;; the stack. - (setq state (car stack) - gnus-tmp-level (car state) - thread (cdr state) - stack (cdr stack) - gnus-tmp-header (caar thread)))) - - (setq gnus-tmp-false-parent nil) - (setq gnus-tmp-root-expunged nil) - (setq thread-end nil) - - (if (stringp gnus-tmp-header) - ;; The header is a dummy root. - (cond - ((eq gnus-summary-make-false-root 'adopt) - ;; We let the first article adopt the rest. - (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts - (cddar thread))) - (setq gnus-tmp-gathered - (nconc (mapcar - (lambda (h) (mail-header-number (car h))) - (cddar thread)) - gnus-tmp-gathered)) - (setq thread (cons (list (caar thread) - (cadar thread)) - (cdr thread))) - (setq gnus-tmp-level -1 - gnus-tmp-false-parent t)) - ((eq gnus-summary-make-false-root 'empty) - ;; We print adopted articles with empty subject fields. - (setq gnus-tmp-gathered - (nconc (mapcar - (lambda (h) (mail-header-number (car h))) - (cddar thread)) - gnus-tmp-gathered)) - (setq gnus-tmp-level -1)) - ((eq gnus-summary-make-false-root 'dummy) - ;; We remember that we probably want to output a dummy - ;; root. - (setq gnus-tmp-dummy-line gnus-tmp-header) - (setq gnus-tmp-prev-subject gnus-tmp-header)) - (t - ;; We do not make a root for the gathered - ;; sub-threads at all. - (setq gnus-tmp-level -1))) - - (setq number (mail-header-number gnus-tmp-header) - subject (mail-header-subject gnus-tmp-header)) - - (cond - ;; If the thread has changed subject, we might want to make - ;; this subthread into a root. - ((and (null gnus-thread-ignore-subject) - (not (zerop gnus-tmp-level)) - gnus-tmp-prev-subject - (not (inline - (gnus-subject-equal gnus-tmp-prev-subject subject)))) - (setq new-roots (nconc new-roots (list (car thread))) - thread-end t - gnus-tmp-header nil)) - ;; If the article lies outside the current limit, - ;; then we do not display it. - ((and (not (memq number gnus-newsgroup-limit)) - (not gnus-tmp-dummy-line)) - (setq gnus-tmp-gathered - (nconc (mapcar - (lambda (h) (mail-header-number (car h))) - (cdar thread)) - gnus-tmp-gathered)) - (setq gnus-tmp-new-adopts (if (cdar thread) - (append gnus-tmp-new-adopts - (cdar thread)) - gnus-tmp-new-adopts) - thread-end t - gnus-tmp-header nil) - (when (zerop gnus-tmp-level) - (setq gnus-tmp-root-expunged t))) - ;; Perhaps this article is to be marked as read? - ((and gnus-summary-mark-below - (< (or (cdr (assq number gnus-newsgroup-scored)) - default-score) - gnus-summary-mark-below) - ;; Don't touch sparse articles. - (not (memq number gnus-newsgroup-sparse)) - (not (memq number gnus-newsgroup-ancient))) - (setq gnus-newsgroup-unreads - (delq number gnus-newsgroup-unreads)) - (if gnus-newsgroup-auto-expire - (push number gnus-newsgroup-expirable) - (push (cons number gnus-low-score-mark) - gnus-newsgroup-reads)))) - - (when gnus-tmp-header - ;; We may have an old dummy line to output before this - ;; article. - (when gnus-tmp-dummy-line - (gnus-summary-insert-dummy-line - gnus-tmp-dummy-line (mail-header-number gnus-tmp-header)) - (setq gnus-tmp-dummy-line nil)) - - ;; Compute the mark. - (setq - gnus-tmp-unread - (cond - ((memq number gnus-newsgroup-unreads) gnus-unread-mark) - ((memq number gnus-newsgroup-marked) gnus-ticked-mark) - ((memq number gnus-newsgroup-dormant) gnus-dormant-mark) - ((memq number gnus-newsgroup-expirable) gnus-expirable-mark) - (t (or (cdr (assq number gnus-newsgroup-reads)) - gnus-ancient-mark)))) - - (push (gnus-data-make number gnus-tmp-unread (1+ (point)) - gnus-tmp-header gnus-tmp-level) - gnus-newsgroup-data) - - ;; Actually insert the line. - (setq - gnus-tmp-subject-or-nil - (cond - ((and gnus-thread-ignore-subject - gnus-tmp-prev-subject - (not (inline (gnus-subject-equal - gnus-tmp-prev-subject subject)))) - subject) - ((zerop gnus-tmp-level) - (if (and (eq gnus-summary-make-false-root 'empty) - (memq number gnus-tmp-gathered) - gnus-tmp-prev-subject - (inline (gnus-subject-equal - gnus-tmp-prev-subject subject))) - gnus-summary-same-subject - subject)) - (t gnus-summary-same-subject))) - (if (and (eq gnus-summary-make-false-root 'adopt) - (= gnus-tmp-level 1) - (memq number gnus-tmp-gathered)) - (setq gnus-tmp-opening-bracket ?\< - gnus-tmp-closing-bracket ?\>) - (setq gnus-tmp-opening-bracket ?\[ - gnus-tmp-closing-bracket ?\])) - (setq - gnus-tmp-indentation - (aref gnus-thread-indent-array gnus-tmp-level) - gnus-tmp-lines (mail-header-lines gnus-tmp-header) - gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored)) - gnus-summary-default-score 0) - gnus-tmp-score-char - (if (or (null gnus-summary-default-score) - (<= (abs (- gnus-tmp-score gnus-summary-default-score)) - gnus-summary-zcore-fuzz)) ? - (if (< gnus-tmp-score gnus-summary-default-score) - gnus-score-below-mark gnus-score-over-mark)) - gnus-tmp-replied - (cond ((memq number gnus-newsgroup-processable) - gnus-process-mark) - ((memq number gnus-newsgroup-cached) - gnus-cached-mark) - ((memq number gnus-newsgroup-replied) - gnus-replied-mark) - ((memq number gnus-newsgroup-saved) - gnus-saved-mark) - (t gnus-unread-mark)) - gnus-tmp-from (mail-header-from gnus-tmp-header) - gnus-tmp-name - (cond - ((string-match "(.+)" gnus-tmp-from) - (substring gnus-tmp-from - (1+ (match-beginning 0)) (1- (match-end 0)))) - ((string-match "<[^>]+> *$" gnus-tmp-from) - (setq beg-match (match-beginning 0)) - (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from) - (substring gnus-tmp-from (1+ (match-beginning 0)) - (1- (match-end 0)))) - (substring gnus-tmp-from 0 beg-match))) - (t gnus-tmp-from))) - (when (string= gnus-tmp-name "") - (setq gnus-tmp-name gnus-tmp-from)) - (or (numberp gnus-tmp-lines) (setq gnus-tmp-lines 0)) - (gnus-put-text-property - (point) - (progn (eval gnus-summary-line-format-spec) (point)) - 'gnus-number number) - (when gnus-visual-p - (forward-line -1) - (run-hooks 'gnus-summary-update-hook) - (forward-line 1)) - - (setq gnus-tmp-prev-subject subject))) - - (when (nth 1 thread) - (push (cons (max 0 gnus-tmp-level) (nthcdr 1 thread)) stack)) - (incf gnus-tmp-level) - (setq threads (if thread-end nil (cdar thread))) - (unless threads - (setq gnus-tmp-level 0))))) - (gnus-message 7 "Generating summary...done")) - -(defun gnus-summary-prepare-unthreaded (headers) - "Generate an unthreaded summary buffer based on HEADERS." - (let (header number mark) - - (while headers - ;; We may have to root out some bad articles... - (when (memq (setq number (mail-header-number - (setq header (pop headers)))) - gnus-newsgroup-limit) - ;; Mark article as read when it has a low score. - (when (and gnus-summary-mark-below - (< (or (cdr (assq number gnus-newsgroup-scored)) - gnus-summary-default-score 0) - gnus-summary-mark-below) - (not (memq number gnus-newsgroup-ancient))) - (setq gnus-newsgroup-unreads - (delq number gnus-newsgroup-unreads)) - (if gnus-newsgroup-auto-expire - (push number gnus-newsgroup-expirable) - (push (cons number gnus-low-score-mark) - gnus-newsgroup-reads))) - - (setq mark - (cond - ((memq number gnus-newsgroup-marked) gnus-ticked-mark) - ((memq number gnus-newsgroup-dormant) gnus-dormant-mark) - ((memq number gnus-newsgroup-unreads) gnus-unread-mark) - ((memq number gnus-newsgroup-expirable) gnus-expirable-mark) - (t (or (cdr (assq number gnus-newsgroup-reads)) - gnus-ancient-mark)))) - (setq gnus-newsgroup-data - (cons (gnus-data-make number mark (1+ (point)) header 0) - gnus-newsgroup-data)) - (gnus-summary-insert-line - header 0 nil mark (memq number gnus-newsgroup-replied) - (memq number gnus-newsgroup-expirable) - (mail-header-subject header) nil - (cdr (assq number gnus-newsgroup-scored)) - (memq number gnus-newsgroup-processable)))))) - -(defun gnus-select-newsgroup (group &optional read-all) - "Select newsgroup GROUP. -If READ-ALL is non-nil, all articles in the group are selected." - (let* ((entry (gnus-gethash group gnus-newsrc-hashtb)) - (info (nth 2 entry)) - articles fetched-articles cached) - - (or (gnus-check-server - (setq gnus-current-select-method (gnus-find-method-for-group group))) - (error "Couldn't open server")) - - (or (and entry (not (eq (car entry) t))) ; Either it's active... - (gnus-activate-group group) ; Or we can activate it... - (progn ; Or we bug out. - (when (equal major-mode 'gnus-summary-mode) - (kill-buffer (current-buffer))) - (error "Couldn't request group %s: %s" - group (gnus-status-message group)))) - - (unless (gnus-request-group group t) - (when (equal major-mode 'gnus-summary-mode) - (kill-buffer (current-buffer))) - (error "Couldn't request group %s: %s" - group (gnus-status-message group))) - - (setq gnus-newsgroup-name group) - (setq gnus-newsgroup-unselected nil) - (setq gnus-newsgroup-unreads (gnus-list-of-unread-articles group)) - - (and gnus-asynchronous - (gnus-check-backend-function - 'request-asynchronous gnus-newsgroup-name) - (setq gnus-newsgroup-async - (gnus-request-asynchronous gnus-newsgroup-name))) - - ;; Adjust and set lists of article marks. - (when info - (gnus-adjust-marked-articles info)) - - ;; Kludge to avoid having cached articles nixed out in virtual groups. - (when (gnus-virtual-group-p group) - (setq cached gnus-newsgroup-cached)) - - (setq gnus-newsgroup-unreads - (gnus-set-difference - (gnus-set-difference gnus-newsgroup-unreads gnus-newsgroup-marked) - gnus-newsgroup-dormant)) - - (setq gnus-newsgroup-processable nil) - - (setq articles (gnus-articles-to-read group read-all)) - - (cond - ((null articles) - ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display") - 'quit) - ((eq articles 0) nil) - (t - ;; Init the dependencies hash table. - (setq gnus-newsgroup-dependencies - (gnus-make-hashtable (length articles))) - ;; Retrieve the headers and read them in. - (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name) - (setq gnus-newsgroup-headers - (if (eq 'nov - (setq gnus-headers-retrieved-by - (gnus-retrieve-headers - articles gnus-newsgroup-name - ;; We might want to fetch old headers, but - ;; not if there is only 1 article. - (and gnus-fetch-old-headers - (or (and - (not (eq gnus-fetch-old-headers 'some)) - (not (numberp gnus-fetch-old-headers))) - (> (length articles) 1)))))) - (gnus-get-newsgroup-headers-xover articles) - (gnus-get-newsgroup-headers))) - (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name) - - ;; Kludge to avoid having cached articles nixed out in virtual groups. - (when cached - (setq gnus-newsgroup-cached cached)) - - ;; Set the initial limit. - (setq gnus-newsgroup-limit (copy-sequence articles)) - ;; Remove canceled articles from the list of unread articles. - (setq gnus-newsgroup-unreads - (gnus-set-sorted-intersection - gnus-newsgroup-unreads - (setq fetched-articles - (mapcar (lambda (headers) (mail-header-number headers)) - gnus-newsgroup-headers)))) - ;; Removed marked articles that do not exist. - (gnus-update-missing-marks - (gnus-sorted-complement fetched-articles articles)) - ;; We might want to build some more threads first. - (and gnus-fetch-old-headers - (eq gnus-headers-retrieved-by 'nov) - (gnus-build-old-threads)) - ;; Check whether auto-expire is to be done in this group. - (setq gnus-newsgroup-auto-expire - (gnus-group-auto-expirable-p group)) - ;; Set up the article buffer now, if necessary. - (unless gnus-single-article-buffer - (gnus-article-setup-buffer)) - ;; First and last article in this newsgroup. - (when gnus-newsgroup-headers - (setq gnus-newsgroup-begin - (mail-header-number (car gnus-newsgroup-headers)) - gnus-newsgroup-end - (mail-header-number - (gnus-last-element gnus-newsgroup-headers)))) - (setq gnus-reffed-article-number -1) - ;; GROUP is successfully selected. - (or gnus-newsgroup-headers t))))) - -(defun gnus-articles-to-read (group read-all) - ;; Find out what articles the user wants to read. - (let* ((articles - ;; Select all articles if `read-all' is non-nil, or if there - ;; are no unread articles. - (if (or read-all - (and (zerop (length gnus-newsgroup-marked)) - (zerop (length gnus-newsgroup-unreads)))) - (gnus-uncompress-range (gnus-active group)) - (sort (append gnus-newsgroup-dormant gnus-newsgroup-marked - (copy-sequence gnus-newsgroup-unreads)) - '<))) - (scored-list (gnus-killed-articles gnus-newsgroup-killed articles)) - (scored (length scored-list)) - (number (length articles)) - (marked (+ (length gnus-newsgroup-marked) - (length gnus-newsgroup-dormant))) - (select - (cond - ((numberp read-all) - read-all) - (t - (condition-case () - (cond - ((and (or (<= scored marked) (= scored number)) - (numberp gnus-large-newsgroup) - (> number gnus-large-newsgroup)) - (let ((input - (read-string - (format - "How many articles from %s (default %d): " - gnus-newsgroup-name number)))) - (if (string-match "^[ \t]*$" input) number input))) - ((and (> scored marked) (< scored number) - (> (- scored number) 20)) - (let ((input - (read-string - (format "%s %s (%d scored, %d total): " - "How many articles from" - group scored number)))) - (if (string-match "^[ \t]*$" input) - number input))) - (t number)) - (quit nil)))))) - (setq select (if (stringp select) (string-to-number select) select)) - (if (or (null select) (zerop select)) - select - (if (and (not (zerop scored)) (<= (abs select) scored)) - (progn - (setq articles (sort scored-list '<)) - (setq number (length articles))) - (setq articles (copy-sequence articles))) - - (if (< (abs select) number) - (if (< select 0) - ;; Select the N oldest articles. - (setcdr (nthcdr (1- (abs select)) articles) nil) - ;; Select the N most recent articles. - (setq articles (nthcdr (- number select) articles)))) - (setq gnus-newsgroup-unselected - (gnus-sorted-intersection - gnus-newsgroup-unreads - (gnus-sorted-complement gnus-newsgroup-unreads articles))) - articles))) - -(defun gnus-killed-articles (killed articles) - (let (out) - (while articles - (if (inline (gnus-member-of-range (car articles) killed)) - (setq out (cons (car articles) out))) - (setq articles (cdr articles))) - out)) - -(defun gnus-uncompress-marks (marks) - "Uncompress the mark ranges in MARKS." - (let ((uncompressed '(score bookmark)) - out) - (while marks - (if (memq (caar marks) uncompressed) - (push (car marks) out) - (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out)) - (setq marks (cdr marks))) - out)) - -(defun gnus-adjust-marked-articles (info) - "Set all article lists and remove all marks that are no longer legal." - (let* ((marked-lists (gnus-info-marks info)) - (active (gnus-active (gnus-info-group info))) - (min (car active)) - (max (cdr active)) - (types gnus-article-mark-lists) - (uncompressed '(score bookmark killed)) - marks var articles article mark) - - (while marked-lists - (setq marks (pop marked-lists)) - (set (setq var (intern (format "gnus-newsgroup-%s" - (car (rassq (setq mark (car marks)) - types))))) - (if (memq (car marks) uncompressed) (cdr marks) - (gnus-uncompress-range (cdr marks)))) - - (setq articles (symbol-value var)) - - ;; All articles have to be subsets of the active articles. - (cond - ;; Adjust "simple" lists. - ((memq mark '(tick dormant expirable reply save)) - (while articles - (when (or (< (setq article (pop articles)) min) (> article max)) - (set var (delq article (symbol-value var)))))) - ;; Adjust assocs. - ((memq mark uncompressed) - (while articles - (when (or (not (consp (setq article (pop articles)))) - (< (car article) min) - (> (car article) max)) - (set var (delq article (symbol-value var)))))))))) - -(defun gnus-update-missing-marks (missing) - "Go through the list of MISSING articles and remove them mark lists." - (when missing - (let ((types gnus-article-mark-lists) - var m) - ;; Go through all types. - (while types - (setq var (intern (format "gnus-newsgroup-%s" (car (pop types))))) - (when (symbol-value var) - ;; This list has articles. So we delete all missing articles - ;; from it. - (setq m missing) - (while m - (set var (delq (pop m) (symbol-value var))))))))) - -(defun gnus-update-marks () - "Enter the various lists of marked articles into the newsgroup info list." - (let ((types gnus-article-mark-lists) - (info (gnus-get-info gnus-newsgroup-name)) - (uncompressed '(score bookmark killed)) - type list newmarked symbol) - (when info - ;; Add all marks lists that are non-nil to the list of marks lists. - (while types - (setq type (pop types)) - (when (setq list (symbol-value - (setq symbol - (intern (format "gnus-newsgroup-%s" - (car type)))))) - (push (cons (cdr type) - (if (memq (cdr type) uncompressed) list - (gnus-compress-sequence - (set symbol (sort list '<)) t))) - newmarked))) - - ;; Enter these new marks into the info of the group. - (if (nthcdr 3 info) - (setcar (nthcdr 3 info) newmarked) - ;; Add the marks lists to the end of the info. - (when newmarked - (setcdr (nthcdr 2 info) (list newmarked)))) - - ;; Cut off the end of the info if there's nothing else there. - (let ((i 5)) - (while (and (> i 2) - (not (nth i info))) - (when (nthcdr (decf i) info) - (setcdr (nthcdr i info) nil))))))) - -(defun gnus-add-marked-articles (group type articles &optional info force) - ;; Add ARTICLES of TYPE to the info of GROUP. - ;; If INFO is non-nil, use that info. If FORCE is non-nil, don't - ;; add, but replace marked articles of TYPE with ARTICLES. - (let ((info (or info (gnus-get-info group))) - (uncompressed '(score bookmark killed)) - marked m) - (or (not info) - (and (not (setq marked (nthcdr 3 info))) - (or (null articles) - (setcdr (nthcdr 2 info) - (list (list (cons type (gnus-compress-sequence - articles t))))))) - (and (not (setq m (assq type (car marked)))) - (or (null articles) - (setcar marked - (cons (cons type (gnus-compress-sequence articles t) ) - (car marked))))) - (if force - (if (null articles) - (setcar (nthcdr 3 info) - (delq (assq type (car marked)) (car marked))) - (setcdr m (gnus-compress-sequence articles t))) - (setcdr m (gnus-compress-sequence - (sort (nconc (gnus-uncompress-range (cdr m)) - (copy-sequence articles)) '<) t)))))) - -(defun gnus-set-mode-line (where) - "This function sets the mode line of the article or summary buffers. -If WHERE is `summary', the summary mode line format will be used." - ;; Is this mode line one we keep updated? - (when (memq where gnus-updated-mode-lines) - (let (mode-string) - (save-excursion - ;; We evaluate this in the summary buffer since these - ;; variables are buffer-local to that buffer. - (set-buffer gnus-summary-buffer) - ;; We bind all these variables that are used in the `eval' form - ;; below. - (let* ((mformat (symbol-value - (intern - (format "gnus-%s-mode-line-format-spec" where)))) - (gnus-tmp-group-name gnus-newsgroup-name) - (gnus-tmp-article-number (or gnus-current-article 0)) - (gnus-tmp-unread gnus-newsgroup-unreads) - (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads)) - (gnus-tmp-unselected (length gnus-newsgroup-unselected)) - (gnus-tmp-unread-and-unselected - (cond ((and (zerop gnus-tmp-unread-and-unticked) - (zerop gnus-tmp-unselected)) "") - ((zerop gnus-tmp-unselected) - (format "{%d more}" gnus-tmp-unread-and-unticked)) - (t (format "{%d(+%d) more}" - gnus-tmp-unread-and-unticked - gnus-tmp-unselected)))) - (gnus-tmp-subject - (if (and gnus-current-headers - (vectorp gnus-current-headers)) - (gnus-mode-string-quote - (mail-header-subject gnus-current-headers)) "")) - max-len - gnus-tmp-header);; passed as argument to any user-format-funcs - (setq mode-string (eval mformat)) - (setq max-len (max 4 (if gnus-mode-non-string-length - (- (window-width) - gnus-mode-non-string-length) - (length mode-string)))) - ;; We might have to chop a bit of the string off... - (when (> (length mode-string) max-len) - (setq mode-string - (concat (gnus-truncate-string mode-string (- max-len 3)) - "..."))) - ;; Pad the mode string a bit. - (setq mode-string (format (format "%%-%ds" max-len) mode-string)))) - ;; Update the mode line. - (setq mode-line-buffer-identification - (gnus-mode-line-buffer-identification - (list mode-string))) - (set-buffer-modified-p t)))) - -(defun gnus-create-xref-hashtb (from-newsgroup headers unreads) - "Go through the HEADERS list and add all Xrefs to a hash table. -The resulting hash table is returned, or nil if no Xrefs were found." - (let* ((virtual (gnus-virtual-group-p from-newsgroup)) - (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup))) - (xref-hashtb (make-vector 63 0)) - start group entry number xrefs header) - (while headers - (setq header (pop headers)) - (when (and (setq xrefs (mail-header-xref header)) - (not (memq (setq number (mail-header-number header)) - unreads))) - (setq start 0) - (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start) - (setq start (match-end 0)) - (setq group (if prefix - (concat prefix (substring xrefs (match-beginning 1) - (match-end 1))) - (substring xrefs (match-beginning 1) (match-end 1)))) - (setq number - (string-to-int (substring xrefs (match-beginning 2) - (match-end 2)))) - (if (setq entry (gnus-gethash group xref-hashtb)) - (setcdr entry (cons number (cdr entry))) - (gnus-sethash group (cons number nil) xref-hashtb))))) - (and start xref-hashtb))) - -(defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads) - "Look through all the headers and mark the Xrefs as read." - (let ((virtual (gnus-virtual-group-p from-newsgroup)) - name entry info xref-hashtb idlist method nth4) - (save-excursion - (set-buffer gnus-group-buffer) - (when (setq xref-hashtb - (gnus-create-xref-hashtb from-newsgroup headers unreads)) - (mapatoms - (lambda (group) - (unless (string= from-newsgroup (setq name (symbol-name group))) - (setq idlist (symbol-value group)) - ;; Dead groups are not updated. - (and (prog1 - (setq entry (gnus-gethash name gnus-newsrc-hashtb) - info (nth 2 entry)) - (if (stringp (setq nth4 (gnus-info-method info))) - (setq nth4 (gnus-server-to-method nth4)))) - ;; Only do the xrefs if the group has the same - ;; select method as the group we have just read. - (or (gnus-methods-equal-p - nth4 (gnus-find-method-for-group from-newsgroup)) - virtual - (equal nth4 (setq method (gnus-find-method-for-group - from-newsgroup))) - (and (equal (car nth4) (car method)) - (equal (nth 1 nth4) (nth 1 method)))) - gnus-use-cross-reference - (or (not (eq gnus-use-cross-reference t)) - virtual - ;; Only do cross-references on subscribed - ;; groups, if that is what is wanted. - (<= (gnus-info-level info) gnus-level-subscribed)) - (gnus-group-make-articles-read name idlist)))) - xref-hashtb))))) - -(defun gnus-group-make-articles-read (group articles) - (let* ((num 0) - (entry (gnus-gethash group gnus-newsrc-hashtb)) - (info (nth 2 entry)) - (active (gnus-active group)) - range) - ;; First peel off all illegal article numbers. - (if active - (let ((ids articles) - id first) - (while ids - (setq id (car ids)) - (if (and first (> id (cdr active))) - (progn - ;; We'll end up in this situation in one particular - ;; obscure situation. If you re-scan a group and get - ;; a new article that is cross-posted to a different - ;; group that has not been re-scanned, you might get - ;; crossposted article that has a higher number than - ;; Gnus believes possible. So we re-activate this - ;; group as well. This might mean doing the - ;; crossposting thingy will *increase* the number - ;; of articles in some groups. Tsk, tsk. - (setq active (or (gnus-activate-group group) active)))) - (if (or (> id (cdr active)) - (< id (car active))) - (setq articles (delq id articles))) - (setq ids (cdr ids))))) - ;; If the read list is nil, we init it. - (and active - (null (gnus-info-read info)) - (> (car active) 1) - (gnus-info-set-read info (cons 1 (1- (car active))))) - ;; Then we add the read articles to the range. - (gnus-info-set-read - info - (setq range - (gnus-add-to-range - (gnus-info-read info) (setq articles (sort articles '<))))) - ;; Then we have to re-compute how many unread - ;; articles there are in this group. - (if active - (progn - (cond - ((not range) - (setq num (- (1+ (cdr active)) (car active)))) - ((not (listp (cdr range))) - (setq num (- (cdr active) (- (1+ (cdr range)) - (car range))))) - (t - (while range - (if (numberp (car range)) - (setq num (1+ num)) - (setq num (+ num (- (1+ (cdar range)) (caar range))))) - (setq range (cdr range))) - (setq num (- (cdr active) num)))) - ;; Update the number of unread articles. - (setcar entry num) - ;; Update the group buffer. - (gnus-group-update-group group t))))) - -(defun gnus-methods-equal-p (m1 m2) - (let ((m1 (or m1 gnus-select-method)) - (m2 (or m2 gnus-select-method))) - (or (equal m1 m2) - (and (eq (car m1) (car m2)) - (or (not (memq 'address (assoc (symbol-name (car m1)) - gnus-valid-select-methods))) - (equal (nth 1 m1) (nth 1 m2))))))) - -(defsubst gnus-header-value () - (buffer-substring (match-end 0) (gnus-point-at-eol))) - -(defvar gnus-newsgroup-none-id 0) - -(defun gnus-get-newsgroup-headers (&optional dependencies force-new) - (let ((cur nntp-server-buffer) - (dependencies - (or dependencies - (save-excursion (set-buffer gnus-summary-buffer) - gnus-newsgroup-dependencies))) - headers id id-dep ref-dep end ref) - (save-excursion - (set-buffer nntp-server-buffer) - (run-hooks 'gnus-parse-headers-hook) - (let ((case-fold-search t) - in-reply-to header p lines) - (goto-char (point-min)) - ;; Search to the beginning of the next header. Error messages - ;; do not begin with 2 or 3. - (while (re-search-forward "^[23][0-9]+ " nil t) - (setq id nil - ref nil) - ;; This implementation of this function, with nine - ;; search-forwards instead of the one re-search-forward and - ;; a case (which basically was the old function) is actually - ;; about twice as fast, even though it looks messier. You - ;; can't have everything, I guess. Speed and elegance - ;; doesn't always go hand in hand. - (setq - header - (vector - ;; Number. - (prog1 - (read cur) - (end-of-line) - (setq p (point)) - (narrow-to-region (point) - (or (and (search-forward "\n.\n" nil t) - (- (point) 2)) - (point)))) - ;; Subject. - (progn - (goto-char p) - (if (search-forward "\nsubject: " nil t) - (gnus-header-value) "(none)")) - ;; From. - (progn - (goto-char p) - (if (search-forward "\nfrom: " nil t) - (gnus-header-value) "(nobody)")) - ;; Date. - (progn - (goto-char p) - (if (search-forward "\ndate: " nil t) - (gnus-header-value) "")) - ;; Message-ID. - (progn - (goto-char p) - (if (search-forward "\nmessage-id: " nil t) - (setq id (gnus-header-value)) - ;; If there was no message-id, we just fake one to make - ;; subsequent routines simpler. - (setq id (concat "none+" - (int-to-string - (setq gnus-newsgroup-none-id - (1+ gnus-newsgroup-none-id))))))) - ;; References. - (progn - (goto-char p) - (if (search-forward "\nreferences: " nil t) - (progn - (setq end (point)) - (prog1 - (gnus-header-value) - (setq ref - (buffer-substring - (progn - (end-of-line) - (search-backward ">" end t) - (1+ (point))) - (progn - (search-backward "<" end t) - (point)))))) - ;; Get the references from the in-reply-to header if there - ;; were no references and the in-reply-to header looks - ;; promising. - (if (and (search-forward "\nin-reply-to: " nil t) - (setq in-reply-to (gnus-header-value)) - (string-match "<[^>]+>" in-reply-to)) - (setq ref (substring in-reply-to (match-beginning 0) - (match-end 0))) - (setq ref "")))) - ;; Chars. - 0 - ;; Lines. - (progn - (goto-char p) - (if (search-forward "\nlines: " nil t) - (if (numberp (setq lines (read cur))) - lines 0) - 0)) - ;; Xref. - (progn - (goto-char p) - (and (search-forward "\nxref: " nil t) - (gnus-header-value))))) - ;; We do the threading while we read the headers. The - ;; message-id and the last reference are both entered into - ;; the same hash table. Some tippy-toeing around has to be - ;; done in case an article has arrived before the article - ;; which it refers to. - (if (boundp (setq id-dep (intern id dependencies))) - (if (and (car (symbol-value id-dep)) - (not force-new)) - ;; An article with this Message-ID has already - ;; been seen, so we ignore this one, except we add - ;; any additional Xrefs (in case the two articles - ;; came from different servers). - (progn - (mail-header-set-xref - (car (symbol-value id-dep)) - (concat (or (mail-header-xref - (car (symbol-value id-dep))) "") - (or (mail-header-xref header) ""))) - (setq header nil)) - (setcar (symbol-value id-dep) header)) - (set id-dep (list header))) - (when header - (if (boundp (setq ref-dep (intern ref dependencies))) - (setcdr (symbol-value ref-dep) - (nconc (cdr (symbol-value ref-dep)) - (list (symbol-value id-dep)))) - (set ref-dep (list nil (symbol-value id-dep)))) - (setq headers (cons header headers))) - (goto-char (point-max)) - (widen)) - (nreverse headers))))) - -;; The following macros and functions were written by Felix Lee -;; <flee@cse.psu.edu>. - -(defmacro gnus-nov-read-integer () - '(prog1 - (if (= (following-char) ?\t) - 0 - (let ((num (condition-case nil (read buffer) (error nil)))) - (if (numberp num) num 0))) - (or (eobp) (forward-char 1)))) - -(defmacro gnus-nov-skip-field () - '(search-forward "\t" eol 'move)) - -(defmacro gnus-nov-field () - '(buffer-substring (point) (if (gnus-nov-skip-field) (1- (point)) eol))) - -;; Goes through the xover lines and returns a list of vectors -(defun gnus-get-newsgroup-headers-xover (sequence &optional - force-new dependencies) - "Parse the news overview data in the server buffer, and return a -list of headers that match SEQUENCE (see `nntp-retrieve-headers')." - ;; Get the Xref when the users reads the articles since most/some - ;; NNTP servers do not include Xrefs when using XOVER. - (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs)) - (let ((cur nntp-server-buffer) - (dependencies (or dependencies gnus-newsgroup-dependencies)) - number headers header) - (save-excursion - (set-buffer nntp-server-buffer) - ;; Allow the user to mangle the headers before parsing them. - (run-hooks 'gnus-parse-headers-hook) - (goto-char (point-min)) - (while (and sequence (not (eobp))) - (setq number (read cur)) - (while (and sequence (< (car sequence) number)) - (setq sequence (cdr sequence))) - (and sequence - (eq number (car sequence)) - (progn - (setq sequence (cdr sequence)) - (if (setq header - (inline (gnus-nov-parse-line - number dependencies force-new))) - (setq headers (cons header headers))))) - (forward-line 1)) - (setq headers (nreverse headers))) - headers)) - -;; This function has to be called with point after the article number -;; on the beginning of the line. -(defun gnus-nov-parse-line (number dependencies &optional force-new) - (let ((none 0) - (eol (gnus-point-at-eol)) - (buffer (current-buffer)) - header ref id id-dep ref-dep) - - ;; overview: [num subject from date id refs chars lines misc] - (narrow-to-region (point) eol) - (or (eobp) (forward-char)) - - (condition-case nil - (setq header - (vector - number ; number - (gnus-nov-field) ; subject - (gnus-nov-field) ; from - (gnus-nov-field) ; date - (setq id (or (gnus-nov-field) - (concat "none+" - (int-to-string - (setq none (1+ none)))))) ; id - (progn - (save-excursion - (let ((beg (point))) - (search-forward "\t" eol) - (if (search-backward ">" beg t) - (setq ref - (buffer-substring - (1+ (point)) - (search-backward "<" beg t))) - (setq ref nil)))) - (gnus-nov-field)) ; refs - (gnus-nov-read-integer) ; chars - (gnus-nov-read-integer) ; lines - (if (= (following-char) ?\n) - nil - (gnus-nov-field)) ; misc - )) - (error (progn - (gnus-error 4 "Strange nov line") - (setq header nil) - (goto-char eol)))) - - (widen) - - ;; We build the thread tree. - (when header - (if (boundp (setq id-dep (intern id dependencies))) - (if (and (car (symbol-value id-dep)) - (not force-new)) - ;; An article with this Message-ID has already been seen, - ;; so we ignore this one, except we add any additional - ;; Xrefs (in case the two articles came from different - ;; servers. - (progn - (mail-header-set-xref - (car (symbol-value id-dep)) - (concat (or (mail-header-xref - (car (symbol-value id-dep))) "") - (or (mail-header-xref header) ""))) - (setq header nil)) - (setcar (symbol-value id-dep) header)) - (set id-dep (list header)))) - (when header - (if (boundp (setq ref-dep (intern (or ref "none") dependencies))) - (setcdr (symbol-value ref-dep) - (nconc (cdr (symbol-value ref-dep)) - (list (symbol-value id-dep)))) - (set ref-dep (list nil (symbol-value id-dep))))) - header)) - -(defun gnus-article-get-xrefs () - "Fill in the Xref value in `gnus-current-headers', if necessary. -This is meant to be called in `gnus-article-internal-prepare-hook'." - (let ((headers (save-excursion (set-buffer gnus-summary-buffer) - gnus-current-headers))) - (or (not gnus-use-cross-reference) - (not headers) - (and (mail-header-xref headers) - (not (string= (mail-header-xref headers) ""))) - (let ((case-fold-search t) - xref) - (save-restriction - (nnheader-narrow-to-headers) - (goto-char (point-min)) - (if (or (and (eq (downcase (following-char)) ?x) - (looking-at "Xref:")) - (search-forward "\nXref:" nil t)) - (progn - (goto-char (1+ (match-end 0))) - (setq xref (buffer-substring (point) - (progn (end-of-line) (point)))) - (mail-header-set-xref headers xref)))))))) - -(defun gnus-summary-insert-subject (id &optional old-header use-old-header) - "Find article ID and insert the summary line for that article." - (let ((header (if (and old-header use-old-header) - old-header (gnus-read-header id))) - (number (and (numberp id) id)) - pos) - (when header - ;; Rebuild the thread that this article is part of and go to the - ;; article we have fetched. - (when (and (not gnus-show-threads) - old-header) - (when (setq pos (text-property-any - (point-min) (point-max) 'gnus-number - (mail-header-number old-header))) - (goto-char pos) - (gnus-delete-line) - (gnus-data-remove (mail-header-number old-header)))) - (when old-header - (mail-header-set-number header (mail-header-number old-header))) - (setq gnus-newsgroup-sparse - (delq (setq number (mail-header-number header)) - gnus-newsgroup-sparse)) - (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient)) - (gnus-rebuild-thread (mail-header-id header)) - (gnus-summary-goto-subject number nil t)) - (when (and (numberp number) - (> number 0)) - ;; We have to update the boundaries even if we can't fetch the - ;; article if ID is a number -- so that the next `P' or `N' - ;; command will fetch the previous (or next) article even - ;; if the one we tried to fetch this time has been canceled. - (and (> number gnus-newsgroup-end) - (setq gnus-newsgroup-end number)) - (and (< number gnus-newsgroup-begin) - (setq gnus-newsgroup-begin number)) - (setq gnus-newsgroup-unselected - (delq number gnus-newsgroup-unselected))) - ;; Report back a success? - (and header (mail-header-number header)))) - -(defun gnus-summary-work-articles (n) - "Return a list of articles to be worked upon. The prefix argument, -the list of process marked articles, and the current article will be -taken into consideration." - (cond - (n - ;; A numerical prefix has been given. - (let ((backward (< n 0)) - (n (abs (prefix-numeric-value n))) - articles article) - (save-excursion - (while - (and (> n 0) - (push (setq article (gnus-summary-article-number)) - articles) - (if backward - (gnus-summary-find-prev nil article) - (gnus-summary-find-next nil article))) - (decf n))) - (nreverse articles))) - ((and (boundp 'transient-mark-mode) - transient-mark-mode - mark-active) - ;; Work on the region between point and mark. - (let ((max (max (point) (mark))) - articles article) - (save-excursion - (goto-char (min (point) (mark))) - (while - (and - (push (setq article (gnus-summary-article-number)) articles) - (gnus-summary-find-next nil article) - (< (point) max))) - (nreverse articles)))) - (gnus-newsgroup-processable - ;; There are process-marked articles present. - (reverse gnus-newsgroup-processable)) - (t - ;; Just return the current article. - (list (gnus-summary-article-number))))) - -(defun gnus-summary-search-group (&optional backward use-level) - "Search for next unread newsgroup. -If optional argument BACKWARD is non-nil, search backward instead." - (save-excursion - (set-buffer gnus-group-buffer) - (if (gnus-group-search-forward - backward nil (if use-level (gnus-group-group-level) nil)) - (gnus-group-group-name)))) - -(defun gnus-summary-best-group (&optional exclude-group) - "Find the name of the best unread group. -If EXCLUDE-GROUP, do not go to this group." - (save-excursion - (set-buffer gnus-group-buffer) - (save-excursion - (gnus-group-best-unread-group exclude-group)))) - -(defun gnus-summary-find-next (&optional unread article backward) - (if backward (gnus-summary-find-prev) - (let* ((dummy (gnus-summary-article-intangible-p)) - (article (or article (gnus-summary-article-number))) - (arts (gnus-data-find-list article)) - result) - (when (and (not dummy) - (or (not gnus-summary-check-current) - (not unread) - (not (gnus-data-unread-p (car arts))))) - (setq arts (cdr arts))) - (when (setq result - (if unread - (progn - (while arts - (when (gnus-data-unread-p (car arts)) - (setq result (car arts) - arts nil)) - (setq arts (cdr arts))) - result) - (car arts))) - (goto-char (gnus-data-pos result)) - (gnus-data-number result))))) - -(defun gnus-summary-find-prev (&optional unread article) - (let* ((eobp (eobp)) - (article (or article (gnus-summary-article-number))) - (arts (gnus-data-find-list article (gnus-data-list 'rev))) - result) - (when (and (not eobp) - (or (not gnus-summary-check-current) - (not unread) - (not (gnus-data-unread-p (car arts))))) - (setq arts (cdr arts))) - (if (setq result - (if unread - (progn - (while arts - (and (gnus-data-unread-p (car arts)) - (setq result (car arts) - arts nil)) - (setq arts (cdr arts))) - result) - (car arts))) - (progn - (goto-char (gnus-data-pos result)) - (gnus-data-number result))))) - -(defun gnus-summary-find-subject (subject &optional unread backward article) - (let* ((simp-subject (gnus-simplify-subject-fully subject)) - (article (or article (gnus-summary-article-number))) - (articles (gnus-data-list backward)) - (arts (gnus-data-find-list article articles)) - result) - (when (or (not gnus-summary-check-current) - (not unread) - (not (gnus-data-unread-p (car arts)))) - (setq arts (cdr arts))) - (while arts - (and (or (not unread) - (gnus-data-unread-p (car arts))) - (vectorp (gnus-data-header (car arts))) - (gnus-subject-equal - simp-subject (mail-header-subject (gnus-data-header (car arts))) t) - (setq result (car arts) - arts nil)) - (setq arts (cdr arts))) - (and result - (goto-char (gnus-data-pos result)) - (gnus-data-number result)))) - -(defun gnus-summary-search-forward (&optional unread subject backward) - "Search forward for an article. -If UNREAD, look for unread articles. If SUBJECT, look for -articles with that subject. If BACKWARD, search backward instead." - (cond (subject (gnus-summary-find-subject subject unread backward)) - (backward (gnus-summary-find-prev unread)) - (t (gnus-summary-find-next unread)))) - -(defun gnus-recenter (&optional n) - "Center point in window and redisplay frame. -Also do horizontal recentering." - (interactive "P") - (when (and gnus-auto-center-summary - (not (eq gnus-auto-center-summary 'vertical))) - (gnus-horizontal-recenter)) - (recenter n)) - -(defun gnus-summary-recenter () - "Center point in the summary window. -If `gnus-auto-center-summary' is nil, or the article buffer isn't -displayed, no centering will be performed." - ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle). - ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu. - (let* ((top (cond ((< (window-height) 4) 0) - ((< (window-height) 7) 1) - (t 2))) - (height (1- (window-height))) - (bottom (save-excursion (goto-char (point-max)) - (forward-line (- height)) - (point))) - (window (get-buffer-window (current-buffer)))) - ;; The user has to want it. - (when gnus-auto-center-summary - (when (get-buffer-window gnus-article-buffer) - ;; Only do recentering when the article buffer is displayed, - ;; Set the window start to either `bottom', which is the biggest - ;; possible valid number, or the second line from the top, - ;; whichever is the least. - (set-window-start - window (min bottom (save-excursion - (forward-line (- top)) (point))))) - ;; Do horizontal recentering while we're at it. - (when (and (get-buffer-window (current-buffer) t) - (not (eq gnus-auto-center-summary 'vertical))) - (let ((selected (selected-window))) - (select-window (get-buffer-window (current-buffer) t)) - (gnus-summary-position-point) - (gnus-horizontal-recenter) - (select-window selected)))))) - -(defun gnus-horizontal-recenter () - "Recenter the current buffer horizontally." - (if (< (current-column) (/ (window-width) 2)) - (set-window-hscroll (get-buffer-window (current-buffer) t) 0) - (let* ((orig (point)) - (end (window-end (get-buffer-window (current-buffer) t))) - (max 0)) - ;; Find the longest line currently displayed in the window. - (goto-char (window-start)) - (while (and (not (eobp)) - (< (point) end)) - (end-of-line) - (setq max (max max (current-column))) - (forward-line 1)) - (goto-char orig) - ;; Scroll horizontally to center (sort of) the point. - (if (> max (window-width)) - (set-window-hscroll - (get-buffer-window (current-buffer) t) - (min (- (current-column) (/ (window-width) 3)) - (+ 2 (- max (window-width))))) - (set-window-hscroll (get-buffer-window (current-buffer) t) 0)) - max))) - -;; Function written by Stainless Steel Rat <ratinox@ccs.neu.edu>. -(defun gnus-short-group-name (group &optional levels) - "Collapse GROUP name LEVELS." - (let* ((name "") - (foreign "") - (depth 0) - (skip 1) - (levels (or levels - (progn - (while (string-match "\\." group skip) - (setq skip (match-end 0) - depth (+ depth 1))) - depth)))) - (if (string-match ":" group) - (setq foreign (substring group 0 (match-end 0)) - group (substring group (match-end 0)))) - (while group - (if (and (string-match "\\." group) - (> levels (- gnus-group-uncollapsed-levels 1))) - (setq name (concat name (substring group 0 1)) - group (substring group (match-end 0)) - levels (- levels 1) - name (concat name ".")) - (setq name (concat foreign name group) - group nil))) - name)) - -(defun gnus-summary-jump-to-group (newsgroup) - "Move point to NEWSGROUP in group mode buffer." - ;; Keep update point of group mode buffer if visible. - (if (eq (current-buffer) (get-buffer gnus-group-buffer)) - (save-window-excursion - ;; Take care of tree window mode. - (if (get-buffer-window gnus-group-buffer) - (pop-to-buffer gnus-group-buffer)) - (gnus-group-jump-to-group newsgroup)) - (save-excursion - ;; Take care of tree window mode. - (if (get-buffer-window gnus-group-buffer) - (pop-to-buffer gnus-group-buffer) - (set-buffer gnus-group-buffer)) - (gnus-group-jump-to-group newsgroup)))) - -;; This function returns a list of article numbers based on the -;; difference between the ranges of read articles in this group and -;; the range of active articles. -(defun gnus-list-of-unread-articles (group) - (let* ((read (gnus-info-read (gnus-get-info group))) - (active (gnus-active group)) - (last (cdr active)) - first nlast unread) - ;; If none are read, then all are unread. - (if (not read) - (setq first (car active)) - ;; If the range of read articles is a single range, then the - ;; first unread article is the article after the last read - ;; article. Sounds logical, doesn't it? - (if (not (listp (cdr read))) - (setq first (1+ (cdr read))) - ;; `read' is a list of ranges. - (if (/= (setq nlast (or (and (numberp (car read)) (car read)) - (caar read))) 1) - (setq first 1)) - (while read - (if first - (while (< first nlast) - (setq unread (cons first unread)) - (setq first (1+ first)))) - (setq first (1+ (if (atom (car read)) (car read) (cdar read)))) - (setq nlast (if (atom (cadr read)) (cadr read) (caadr read))) - (setq read (cdr read))))) - ;; And add the last unread articles. - (while (<= first last) - (setq unread (cons first unread)) - (setq first (1+ first))) - ;; Return the list of unread articles. - (nreverse unread))) - -(defun gnus-list-of-read-articles (group) - "Return a list of unread, unticked and non-dormant articles." - (let* ((info (gnus-get-info group)) - (marked (gnus-info-marks info)) - (active (gnus-active group))) - (and info active - (gnus-set-difference - (gnus-sorted-complement - (gnus-uncompress-range active) - (gnus-list-of-unread-articles group)) - (append - (gnus-uncompress-range (cdr (assq 'dormant marked))) - (gnus-uncompress-range (cdr (assq 'tick marked)))))))) - -;; Various summary commands - -(defun gnus-summary-universal-argument (arg) - "Perform any operation on all articles that are process/prefixed." - (interactive "P") - (gnus-set-global-variables) - (let ((articles (gnus-summary-work-articles arg)) - func article) - (if (eq - (setq - func - (key-binding - (read-key-sequence - (substitute-command-keys - "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]" - )))) - 'undefined) - (gnus-error 1 "Undefined key") - (save-excursion - (while articles - (gnus-summary-goto-subject (setq article (pop articles))) - (command-execute func) - (gnus-summary-remove-process-mark article))))) - (gnus-summary-position-point)) - -(defun gnus-summary-toggle-truncation (&optional arg) - "Toggle truncation of summary lines. -With arg, turn line truncation on iff arg is positive." - (interactive "P") - (setq truncate-lines - (if (null arg) (not truncate-lines) - (> (prefix-numeric-value arg) 0))) - (redraw-display)) - -(defun gnus-summary-reselect-current-group (&optional all rescan) - "Exit and then reselect the current newsgroup. -The prefix argument ALL means to select all articles." - (interactive "P") - (gnus-set-global-variables) - (when (gnus-ephemeral-group-p gnus-newsgroup-name) - (error "Ephemeral groups can't be reselected")) - (let ((current-subject (gnus-summary-article-number)) - (group gnus-newsgroup-name)) - (setq gnus-newsgroup-begin nil) - (gnus-summary-exit) - ;; We have to adjust the point of group mode buffer because the - ;; current point was moved to the next unread newsgroup by - ;; exiting. - (gnus-summary-jump-to-group group) - (when rescan - (save-excursion - (gnus-group-get-new-news-this-group 1))) - (gnus-group-read-group all t) - (gnus-summary-goto-subject current-subject nil t))) - -(defun gnus-summary-rescan-group (&optional all) - "Exit the newsgroup, ask for new articles, and select the newsgroup." - (interactive "P") - (gnus-summary-reselect-current-group all t)) - -(defun gnus-summary-update-info () - (let* ((group gnus-newsgroup-name)) - (when gnus-newsgroup-kill-headers - (setq gnus-newsgroup-killed - (gnus-compress-sequence - (nconc - (gnus-set-sorted-intersection - (gnus-uncompress-range gnus-newsgroup-killed) - (setq gnus-newsgroup-unselected - (sort gnus-newsgroup-unselected '<))) - (setq gnus-newsgroup-unreads - (sort gnus-newsgroup-unreads '<))) t))) - (unless (listp (cdr gnus-newsgroup-killed)) - (setq gnus-newsgroup-killed (list gnus-newsgroup-killed))) - (let ((headers gnus-newsgroup-headers)) - (run-hooks 'gnus-exit-group-hook) - (unless gnus-save-score - (setq gnus-newsgroup-scored nil)) - ;; Set the new ranges of read articles. - (gnus-update-read-articles - group (append gnus-newsgroup-unreads gnus-newsgroup-unselected)) - ;; Set the current article marks. - (gnus-update-marks) - ;; Do the cross-ref thing. - (when gnus-use-cross-reference - (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads)) - ;; Do adaptive scoring, and possibly save score files. - (when gnus-newsgroup-adaptive - (gnus-score-adaptive)) - (when gnus-use-scoring - (gnus-score-save)) - ;; Do not switch windows but change the buffer to work. - (set-buffer gnus-group-buffer) - (or (gnus-ephemeral-group-p gnus-newsgroup-name) - (gnus-group-update-group group))))) - -(defun gnus-summary-exit (&optional temporary) - "Exit reading current newsgroup, and then return to group selection mode. -gnus-exit-group-hook is called with no arguments if that value is non-nil." - (interactive) - (gnus-set-global-variables) - (gnus-kill-save-kill-buffer) - (let* ((group gnus-newsgroup-name) - (quit-config (gnus-group-quit-config gnus-newsgroup-name)) - (mode major-mode) - (buf (current-buffer))) - (run-hooks 'gnus-summary-prepare-exit-hook) - ;; If we have several article buffers, we kill them at exit. - (unless gnus-single-article-buffer - (gnus-kill-buffer gnus-original-article-buffer) - (setq gnus-article-current nil)) - (when gnus-use-cache - (gnus-cache-possibly-remove-articles) - (gnus-cache-save-buffers)) - (when gnus-use-trees - (gnus-tree-close group)) - ;; Make all changes in this group permanent. - (unless quit-config - (gnus-summary-update-info)) - (gnus-close-group group) - ;; Make sure where I was, and go to next newsgroup. - (set-buffer gnus-group-buffer) - (unless quit-config - (gnus-group-jump-to-group group)) - (run-hooks 'gnus-summary-exit-hook) - (unless quit-config - (gnus-group-next-unread-group 1)) - (if temporary - nil ;Nothing to do. - ;; If we have several article buffers, we kill them at exit. - (unless gnus-single-article-buffer - (gnus-kill-buffer gnus-article-buffer) - (gnus-kill-buffer gnus-original-article-buffer) - (setq gnus-article-current nil)) - (set-buffer buf) - (if (not gnus-kill-summary-on-exit) - (gnus-deaden-summary) - ;; We set all buffer-local variables to nil. It is unclear why - ;; this is needed, but if we don't, buffer-local variables are - ;; not garbage-collected, it seems. This would the lead to en - ;; ever-growing Emacs. - (gnus-summary-clear-local-variables) - (when (get-buffer gnus-article-buffer) - (bury-buffer gnus-article-buffer)) - ;; We clear the global counterparts of the buffer-local - ;; variables as well, just to be on the safe side. - (gnus-configure-windows 'group 'force) - (gnus-summary-clear-local-variables) - ;; Return to group mode buffer. - (if (eq mode 'gnus-summary-mode) - (gnus-kill-buffer buf))) - (setq gnus-current-select-method gnus-select-method) - (pop-to-buffer gnus-group-buffer) - ;; Clear the current group name. - (if (not quit-config) - (progn - (gnus-group-jump-to-group group) - (gnus-group-next-unread-group 1) - (gnus-configure-windows 'group 'force)) - (if (not (buffer-name (car quit-config))) - (gnus-configure-windows 'group 'force) - (set-buffer (car quit-config)) - (and (eq major-mode 'gnus-summary-mode) - (gnus-set-global-variables)) - (gnus-configure-windows (cdr quit-config)))) - (unless quit-config - (setq gnus-newsgroup-name nil))))) - -(defalias 'gnus-summary-quit 'gnus-summary-exit-no-update) -(defun gnus-summary-exit-no-update (&optional no-questions) - "Quit reading current newsgroup without updating read article info." - (interactive) - (gnus-set-global-variables) - (let* ((group gnus-newsgroup-name) - (quit-config (gnus-group-quit-config group))) - (when (or no-questions - gnus-expert-user - (gnus-y-or-n-p "Do you really wanna quit reading this group? ")) - ;; If we have several article buffers, we kill them at exit. - (unless gnus-single-article-buffer - (gnus-kill-buffer gnus-article-buffer) - (gnus-kill-buffer gnus-original-article-buffer) - (setq gnus-article-current nil)) - (if (not gnus-kill-summary-on-exit) - (gnus-deaden-summary) - (gnus-close-group group) - (gnus-summary-clear-local-variables) - (set-buffer gnus-group-buffer) - (gnus-summary-clear-local-variables) - (when (get-buffer gnus-summary-buffer) - (kill-buffer gnus-summary-buffer))) - (unless gnus-single-article-buffer - (setq gnus-article-current nil)) - (when gnus-use-trees - (gnus-tree-close group)) - (when (get-buffer gnus-article-buffer) - (bury-buffer gnus-article-buffer)) - ;; Return to the group buffer. - (gnus-configure-windows 'group 'force) - ;; Clear the current group name. - (setq gnus-newsgroup-name nil) - (when (equal (gnus-group-group-name) group) - (gnus-group-next-unread-group 1)) - (when quit-config - (if (not (buffer-name (car quit-config))) - (gnus-configure-windows 'group 'force) - (set-buffer (car quit-config)) - (when (eq major-mode 'gnus-summary-mode) - (gnus-set-global-variables)) - (gnus-configure-windows (cdr quit-config))))))) - -;;; Dead summaries. - -(defvar gnus-dead-summary-mode-map nil) - -(if gnus-dead-summary-mode-map - nil - (setq gnus-dead-summary-mode-map (make-keymap)) - (suppress-keymap gnus-dead-summary-mode-map) - (substitute-key-definition - 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map) - (let ((keys '("\C-d" "\r" "\177"))) - (while keys - (define-key gnus-dead-summary-mode-map - (pop keys) 'gnus-summary-wake-up-the-dead)))) - -(defvar gnus-dead-summary-mode nil - "Minor mode for Gnus summary buffers.") - -(defun gnus-dead-summary-mode (&optional arg) - "Minor mode for Gnus summary buffers." - (interactive "P") - (when (eq major-mode 'gnus-summary-mode) - (make-local-variable 'gnus-dead-summary-mode) - (setq gnus-dead-summary-mode - (if (null arg) (not gnus-dead-summary-mode) - (> (prefix-numeric-value arg) 0))) - (when gnus-dead-summary-mode - (unless (assq 'gnus-dead-summary-mode minor-mode-alist) - (push '(gnus-dead-summary-mode " Dead") minor-mode-alist)) - (unless (assq 'gnus-dead-summary-mode minor-mode-map-alist) - (push (cons 'gnus-dead-summary-mode gnus-dead-summary-mode-map) - minor-mode-map-alist))))) - -(defun gnus-deaden-summary () - "Make the current summary buffer into a dead summary buffer." - ;; Kill any previous dead summary buffer. - (when (and gnus-dead-summary - (buffer-name gnus-dead-summary)) - (save-excursion - (set-buffer gnus-dead-summary) - (when gnus-dead-summary-mode - (kill-buffer (current-buffer))))) - ;; Make this the current dead summary. - (setq gnus-dead-summary (current-buffer)) - (gnus-dead-summary-mode 1) - (let ((name (buffer-name))) - (when (string-match "Summary" name) - (rename-buffer - (concat (substring name 0 (match-beginning 0)) "Dead " - (substring name (match-beginning 0))) t)))) - -(defun gnus-kill-or-deaden-summary (buffer) - "Kill or deaden the summary BUFFER." - (when (and (buffer-name buffer) - (not gnus-single-article-buffer)) - (save-excursion - (set-buffer buffer) - (gnus-kill-buffer gnus-article-buffer) - (gnus-kill-buffer gnus-original-article-buffer))) - (cond (gnus-kill-summary-on-exit - (when (and gnus-use-trees - (and (get-buffer buffer) - (buffer-name (get-buffer buffer)))) - (save-excursion - (set-buffer (get-buffer buffer)) - (gnus-tree-close gnus-newsgroup-name))) - (gnus-kill-buffer buffer)) - ((and (get-buffer buffer) - (buffer-name (get-buffer buffer))) - (save-excursion - (set-buffer buffer) - (gnus-deaden-summary))))) - -(defun gnus-summary-wake-up-the-dead (&rest args) - "Wake up the dead summary buffer." - (interactive) - (gnus-dead-summary-mode -1) - (let ((name (buffer-name))) - (when (string-match "Dead " name) - (rename-buffer - (concat (substring name 0 (match-beginning 0)) - (substring name (match-end 0))) t))) - (gnus-message 3 "This dead summary is now alive again")) - -;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>. -(defun gnus-summary-fetch-faq (&optional faq-dir) - "Fetch the FAQ for the current group. -If FAQ-DIR (the prefix), prompt for a directory to search for the faq -in." - (interactive - (list - (if current-prefix-arg - (completing-read - "Faq dir: " (and (listp gnus-group-faq-directory) - gnus-group-faq-directory))))) - (let (gnus-faq-buffer) - (and (setq gnus-faq-buffer - (gnus-group-fetch-faq gnus-newsgroup-name faq-dir)) - (gnus-configure-windows 'summary-faq)))) - -;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>. -(defun gnus-summary-describe-group (&optional force) - "Describe the current newsgroup." - (interactive "P") - (gnus-group-describe-group force gnus-newsgroup-name)) - -(defun gnus-summary-describe-briefly () - "Describe summary mode commands briefly." - (interactive) - (gnus-message 6 - (substitute-command-keys "\\<gnus-summary-mode-map>\\[gnus-summary-next-page]:Select \\[gnus-summary-next-unread-article]:Forward \\[gnus-summary-prev-unread-article]:Backward \\[gnus-summary-exit]:Exit \\[gnus-info-find-node]:Run Info \\[gnus-summary-describe-briefly]:This help"))) - -;; Walking around group mode buffer from summary mode. - -(defun gnus-summary-next-group (&optional no-article target-group backward) - "Exit current newsgroup and then select next unread newsgroup. -If prefix argument NO-ARTICLE is non-nil, no article is selected -initially. If NEXT-GROUP, go to this group. If BACKWARD, go to -previous group instead." - (interactive "P") - (gnus-set-global-variables) - (let ((current-group gnus-newsgroup-name) - (current-buffer (current-buffer)) - entered) - ;; First we semi-exit this group to update Xrefs and all variables. - ;; We can't do a real exit, because the window conf must remain - ;; the same in case the user is prompted for info, and we don't - ;; want the window conf to change before that... - (gnus-summary-exit t) - (while (not entered) - ;; Then we find what group we are supposed to enter. - (set-buffer gnus-group-buffer) - (gnus-group-jump-to-group current-group) - (setq target-group - (or target-group - (if (eq gnus-keep-same-level 'best) - (gnus-summary-best-group gnus-newsgroup-name) - (gnus-summary-search-group backward gnus-keep-same-level)))) - (if (not target-group) - ;; There are no further groups, so we return to the group - ;; buffer. - (progn - (gnus-message 5 "Returning to the group buffer") - (setq entered t) - (set-buffer current-buffer) - (gnus-summary-exit)) - ;; We try to enter the target group. - (gnus-group-jump-to-group target-group) - (let ((unreads (gnus-group-group-unread))) - (if (and (or (eq t unreads) - (and unreads (not (zerop unreads)))) - (gnus-summary-read-group - target-group nil no-article current-buffer)) - (setq entered t) - (setq current-group target-group - target-group nil))))))) - -(defun gnus-summary-prev-group (&optional no-article) - "Exit current newsgroup and then select previous unread newsgroup. -If prefix argument NO-ARTICLE is non-nil, no article is selected initially." - (interactive "P") - (gnus-summary-next-group no-article nil t)) - -;; Walking around summary lines. - -(defun gnus-summary-first-subject (&optional unread) - "Go to the first unread subject. -If UNREAD is non-nil, go to the first unread article. -Returns the article selected or nil if there are no unread articles." - (interactive "P") - (prog1 - (cond - ;; Empty summary. - ((null gnus-newsgroup-data) - (gnus-message 3 "No articles in the group") - nil) - ;; Pick the first article. - ((not unread) - (goto-char (gnus-data-pos (car gnus-newsgroup-data))) - (gnus-data-number (car gnus-newsgroup-data))) - ;; No unread articles. - ((null gnus-newsgroup-unreads) - (gnus-message 3 "No more unread articles") - nil) - ;; Find the first unread article. - (t - (let ((data gnus-newsgroup-data)) - (while (and data - (not (gnus-data-unread-p (car data)))) - (setq data (cdr data))) - (if data - (progn - (goto-char (gnus-data-pos (car data))) - (gnus-data-number (car data))))))) - (gnus-summary-position-point))) - -(defun gnus-summary-next-subject (n &optional unread dont-display) - "Go to next N'th summary line. -If N is negative, go to the previous N'th subject line. -If UNREAD is non-nil, only unread articles are selected. -The difference between N and the actual number of steps taken is -returned." - (interactive "p") - (let ((backward (< n 0)) - (n (abs n))) - (while (and (> n 0) - (if backward - (gnus-summary-find-prev unread) - (gnus-summary-find-next unread))) - (setq n (1- n))) - (if (/= 0 n) (gnus-message 7 "No more%s articles" - (if unread " unread" ""))) - (unless dont-display - (gnus-summary-recenter) - (gnus-summary-position-point)) - n)) - -(defun gnus-summary-next-unread-subject (n) - "Go to next N'th unread summary line." - (interactive "p") - (gnus-summary-next-subject n t)) - -(defun gnus-summary-prev-subject (n &optional unread) - "Go to previous N'th summary line. -If optional argument UNREAD is non-nil, only unread article is selected." - (interactive "p") - (gnus-summary-next-subject (- n) unread)) - -(defun gnus-summary-prev-unread-subject (n) - "Go to previous N'th unread summary line." - (interactive "p") - (gnus-summary-next-subject (- n) t)) - -(defun gnus-summary-goto-subject (article &optional force silent) - "Go the subject line of ARTICLE. -If FORCE, also allow jumping to articles not currently shown." - (let ((b (point)) - (data (gnus-data-find article))) - ;; We read in the article if we have to. - (and (not data) - force - (gnus-summary-insert-subject article (and (vectorp force) force) t) - (setq data (gnus-data-find article))) - (goto-char b) - (if (not data) - (progn - (unless silent - (gnus-message 3 "Can't find article %d" article)) - nil) - (goto-char (gnus-data-pos data)) - article))) - -;; Walking around summary lines with displaying articles. - -(defun gnus-summary-expand-window (&optional arg) - "Make the summary buffer take up the entire Emacs frame. -Given a prefix, will force an `article' buffer configuration." - (interactive "P") - (gnus-set-global-variables) - (if arg - (gnus-configure-windows 'article 'force) - (gnus-configure-windows 'summary 'force))) - -(defun gnus-summary-display-article (article &optional all-header) - "Display ARTICLE in article buffer." - (gnus-set-global-variables) - (if (null article) - nil - (prog1 - (if gnus-summary-display-article-function - (funcall gnus-summary-display-article-function article all-header) - (gnus-article-prepare article all-header)) - (run-hooks 'gnus-select-article-hook) - (unless (zerop gnus-current-article) - (gnus-summary-goto-subject gnus-current-article)) - (gnus-summary-recenter) - (when gnus-use-trees - (gnus-possibly-generate-tree article) - (gnus-highlight-selected-tree article)) - ;; Successfully display article. - (gnus-article-set-window-start - (cdr (assq article gnus-newsgroup-bookmarks)))))) - -(defun gnus-summary-select-article (&optional all-headers force pseudo article) - "Select the current article. -If ALL-HEADERS is non-nil, show all header fields. If FORCE is -non-nil, the article will be re-fetched even if it already present in -the article buffer. If PSEUDO is non-nil, pseudo-articles will also -be displayed." - ;; Make sure we are in the summary buffer to work around bbdb bug. - (unless (eq major-mode 'gnus-summary-mode) - (set-buffer gnus-summary-buffer)) - (let ((article (or article (gnus-summary-article-number))) - (all-headers (not (not all-headers))) ;Must be T or NIL. - gnus-summary-display-article-function - did) - (and (not pseudo) - (gnus-summary-article-pseudo-p article) - (error "This is a pseudo-article.")) - (prog1 - (save-excursion - (set-buffer gnus-summary-buffer) - (if (or (and gnus-single-article-buffer - (or (null gnus-current-article) - (null gnus-article-current) - (null (get-buffer gnus-article-buffer)) - (not (eq article (cdr gnus-article-current))) - (not (equal (car gnus-article-current) - gnus-newsgroup-name)))) - (and (not gnus-single-article-buffer) - (or (null gnus-current-article) - (not (eq gnus-current-article article)))) - force) - ;; The requested article is different from the current article. - (prog1 - (gnus-summary-display-article article all-headers) - (setq did article)) - (if (or all-headers gnus-show-all-headers) - (gnus-article-show-all-headers)) - 'old)) - (if did - (gnus-article-set-window-start - (cdr (assq article gnus-newsgroup-bookmarks))))))) - -(defun gnus-summary-set-current-mark (&optional current-mark) - "Obsolete function." - nil) - -(defun gnus-summary-next-article (&optional unread subject backward push) - "Select the next article. -If UNREAD, only unread articles are selected. -If SUBJECT, only articles with SUBJECT are selected. -If BACKWARD, the previous article is selected instead of the next." - (interactive "P") - (gnus-set-global-variables) - (cond - ;; Is there such an article? - ((and (gnus-summary-search-forward unread subject backward) - (or (gnus-summary-display-article (gnus-summary-article-number)) - (eq (gnus-summary-article-mark) gnus-canceled-mark))) - (gnus-summary-position-point)) - ;; If not, we try the first unread, if that is wanted. - ((and subject - gnus-auto-select-same - (gnus-summary-first-unread-article)) - (gnus-summary-position-point) - (gnus-message 6 "Wrapped")) - ;; Try to get next/previous article not displayed in this group. - ((and gnus-auto-extend-newsgroup - (not unread) (not subject)) - (gnus-summary-goto-article - (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end)) - nil t)) - ;; Go to next/previous group. - (t - (or (gnus-ephemeral-group-p gnus-newsgroup-name) - (gnus-summary-jump-to-group gnus-newsgroup-name)) - (let ((cmd last-command-char) - (group - (if (eq gnus-keep-same-level 'best) - (gnus-summary-best-group gnus-newsgroup-name) - (gnus-summary-search-group backward gnus-keep-same-level)))) - ;; For some reason, the group window gets selected. We change - ;; it back. - (select-window (get-buffer-window (current-buffer))) - ;; Select next unread newsgroup automagically. - (cond - ((or (not gnus-auto-select-next) - (not cmd)) - (gnus-message 7 "No more%s articles" (if unread " unread" ""))) - ((or (eq gnus-auto-select-next 'quietly) - (and (eq gnus-auto-select-next 'slightly-quietly) - push) - (and (eq gnus-auto-select-next 'almost-quietly) - (gnus-summary-last-article-p))) - ;; Select quietly. - (if (gnus-ephemeral-group-p gnus-newsgroup-name) - (gnus-summary-exit) - (gnus-message 7 "No more%s articles (%s)..." - (if unread " unread" "") - (if group (concat "selecting " group) - "exiting")) - (gnus-summary-next-group nil group backward))) - (t - (gnus-summary-walk-group-buffer - gnus-newsgroup-name cmd unread backward))))))) - -(defun gnus-summary-walk-group-buffer (from-group cmd unread backward) - (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1)) - (?\C-p (gnus-group-prev-unread-group 1)))) - keve key group ended) - (save-excursion - (set-buffer gnus-group-buffer) - (gnus-summary-jump-to-group from-group) - (setq group - (if (eq gnus-keep-same-level 'best) - (gnus-summary-best-group gnus-newsgroup-name) - (gnus-summary-search-group backward gnus-keep-same-level)))) - (while (not ended) - (gnus-message - 5 "No more%s articles%s" (if unread " unread" "") - (if (and group - (not (gnus-ephemeral-group-p gnus-newsgroup-name))) - (format " (Type %s for %s [%s])" - (single-key-description cmd) group - (car (gnus-gethash group gnus-newsrc-hashtb))) - (format " (Type %s to exit %s)" - (single-key-description cmd) - gnus-newsgroup-name))) - ;; Confirm auto selection. - (setq key (car (setq keve (gnus-read-event-char)))) - (setq ended t) - (cond - ((assq key keystrokes) - (let ((obuf (current-buffer))) - (switch-to-buffer gnus-group-buffer) - (and group - (gnus-group-jump-to-group group)) - (eval (cadr (assq key keystrokes))) - (setq group (gnus-group-group-name)) - (switch-to-buffer obuf)) - (setq ended nil)) - ((equal key cmd) - (if (or (not group) - (gnus-ephemeral-group-p gnus-newsgroup-name)) - (gnus-summary-exit) - (gnus-summary-next-group nil group backward))) - (t - (push (cdr keve) unread-command-events)))))) - -(defun gnus-read-event-char () - "Get the next event." - (let ((event (read-event))) - (cons (and (numberp event) event) event))) - -(defun gnus-summary-next-unread-article () - "Select unread article after current one." - (interactive) - (gnus-summary-next-article t (and gnus-auto-select-same - (gnus-summary-article-subject)))) - -(defun gnus-summary-prev-article (&optional unread subject) - "Select the article after the current one. -If UNREAD is non-nil, only unread articles are selected." - (interactive "P") - (gnus-summary-next-article unread subject t)) - -(defun gnus-summary-prev-unread-article () - "Select unred article before current one." - (interactive) - (gnus-summary-prev-article t (and gnus-auto-select-same - (gnus-summary-article-subject)))) - -(defun gnus-summary-next-page (&optional lines circular) - "Show next page of the selected article. -If at the end of the current article, select the next article. -LINES says how many lines should be scrolled up. - -If CIRCULAR is non-nil, go to the start of the article instead of -selecting the next article when reaching the end of the current -article." - (interactive "P") - (setq gnus-summary-buffer (current-buffer)) - (gnus-set-global-variables) - (let ((article (gnus-summary-article-number)) - (endp nil)) - (gnus-configure-windows 'article) - (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark) - (if (and (eq gnus-summary-goto-unread 'never) - (not (gnus-summary-last-article-p article))) - (gnus-summary-next-article) - (gnus-summary-next-unread-article)) - (if (or (null gnus-current-article) - (null gnus-article-current) - (/= article (cdr gnus-article-current)) - (not (equal (car gnus-article-current) gnus-newsgroup-name))) - ;; Selected subject is different from current article's. - (gnus-summary-display-article article) - (gnus-eval-in-buffer-window gnus-article-buffer - (setq endp (gnus-article-next-page lines))) - (if endp - (cond (circular - (gnus-summary-beginning-of-article)) - (lines - (gnus-message 3 "End of message")) - ((null lines) - (if (and (eq gnus-summary-goto-unread 'never) - (not (gnus-summary-last-article-p article))) - (gnus-summary-next-article) - (gnus-summary-next-unread-article))))))) - (gnus-summary-recenter) - (gnus-summary-position-point))) - -(defun gnus-summary-prev-page (&optional lines) - "Show previous page of selected article. -Argument LINES specifies lines to be scrolled down." - (interactive "P") - (gnus-set-global-variables) - (let ((article (gnus-summary-article-number))) - (gnus-configure-windows 'article) - (if (or (null gnus-current-article) - (null gnus-article-current) - (/= article (cdr gnus-article-current)) - (not (equal (car gnus-article-current) gnus-newsgroup-name))) - ;; Selected subject is different from current article's. - (gnus-summary-display-article article) - (gnus-summary-recenter) - (gnus-eval-in-buffer-window gnus-article-buffer - (gnus-article-prev-page lines)))) - (gnus-summary-position-point)) - -(defun gnus-summary-scroll-up (lines) - "Scroll up (or down) one line current article. -Argument LINES specifies lines to be scrolled up (or down if negative)." - (interactive "p") - (gnus-set-global-variables) - (gnus-configure-windows 'article) - (gnus-summary-show-thread) - (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old) - (gnus-eval-in-buffer-window gnus-article-buffer - (cond ((> lines 0) - (if (gnus-article-next-page lines) - (gnus-message 3 "End of message"))) - ((< lines 0) - (gnus-article-prev-page (- lines)))))) - (gnus-summary-recenter) - (gnus-summary-position-point)) - -(defun gnus-summary-next-same-subject () - "Select next article which has the same subject as current one." - (interactive) - (gnus-set-global-variables) - (gnus-summary-next-article nil (gnus-summary-article-subject))) - -(defun gnus-summary-prev-same-subject () - "Select previous article which has the same subject as current one." - (interactive) - (gnus-set-global-variables) - (gnus-summary-prev-article nil (gnus-summary-article-subject))) - -(defun gnus-summary-next-unread-same-subject () - "Select next unread article which has the same subject as current one." - (interactive) - (gnus-set-global-variables) - (gnus-summary-next-article t (gnus-summary-article-subject))) - -(defun gnus-summary-prev-unread-same-subject () - "Select previous unread article which has the same subject as current one." - (interactive) - (gnus-set-global-variables) - (gnus-summary-prev-article t (gnus-summary-article-subject))) - -(defun gnus-summary-first-unread-article () - "Select the first unread article. -Return nil if there are no unread articles." - (interactive) - (gnus-set-global-variables) - (prog1 - (if (gnus-summary-first-subject t) - (progn - (gnus-summary-show-thread) - (gnus-summary-first-subject t) - (gnus-summary-display-article (gnus-summary-article-number)))) - (gnus-summary-position-point))) - -(defun gnus-summary-best-unread-article () - "Select the unread article with the highest score." - (interactive) - (gnus-set-global-variables) - (let ((best -1000000) - (data gnus-newsgroup-data) - article score) - (while data - (and (gnus-data-unread-p (car data)) - (> (setq score - (gnus-summary-article-score (gnus-data-number (car data)))) - best) - (setq best score - article (gnus-data-number (car data)))) - (setq data (cdr data))) - (prog1 - (if article - (gnus-summary-goto-article article) - (error "No unread articles")) - (gnus-summary-position-point)))) - -(defun gnus-summary-last-subject () - "Go to the last displayed subject line in the group." - (let ((article (gnus-data-number (car (gnus-data-list t))))) - (when article - (gnus-summary-goto-subject article)))) - -(defun gnus-summary-goto-article (article &optional all-headers force) - "Fetch ARTICLE and display it if it exists. -If ALL-HEADERS is non-nil, no header lines are hidden." - (interactive - (list - (string-to-int - (completing-read - "Article number: " - (mapcar (lambda (number) (list (int-to-string number))) - gnus-newsgroup-limit))) - current-prefix-arg - t)) - (prog1 - (if (gnus-summary-goto-subject article force) - (gnus-summary-display-article article all-headers) - (gnus-message 4 "Couldn't go to article %s" article) nil) - (gnus-summary-position-point))) - -(defun gnus-summary-goto-last-article () - "Go to the previously read article." - (interactive) - (prog1 - (and gnus-last-article - (gnus-summary-goto-article gnus-last-article)) - (gnus-summary-position-point))) - -(defun gnus-summary-pop-article (number) - "Pop one article off the history and go to the previous. -NUMBER articles will be popped off." - (interactive "p") - (let (to) - (setq gnus-newsgroup-history - (cdr (setq to (nthcdr number gnus-newsgroup-history)))) - (if to - (gnus-summary-goto-article (car to)) - (error "Article history empty"))) - (gnus-summary-position-point)) - -;; Summary commands and functions for limiting the summary buffer. - -(defun gnus-summary-limit-to-articles (n) - "Limit the summary buffer to the next N articles. -If not given a prefix, use the process marked articles instead." - (interactive "P") - (gnus-set-global-variables) - (prog1 - (let ((articles (gnus-summary-work-articles n))) - (setq gnus-newsgroup-processable nil) - (gnus-summary-limit articles)) - (gnus-summary-position-point))) - -(defun gnus-summary-pop-limit (&optional total) - "Restore the previous limit. -If given a prefix, remove all limits." - (interactive "P") - (gnus-set-global-variables) - (when total - (setq gnus-newsgroup-limits - (list (mapcar (lambda (h) (mail-header-number h)) - gnus-newsgroup-headers)))) - (unless gnus-newsgroup-limits - (error "No limit to pop")) - (prog1 - (gnus-summary-limit nil 'pop) - (gnus-summary-position-point))) - -(defun gnus-summary-limit-to-subject (subject &optional header) - "Limit the summary buffer to articles that have subjects that match a regexp." - (interactive "sRegexp: ") - (unless header - (setq header "subject")) - (when (not (equal "" subject)) - (prog1 - (let ((articles (gnus-summary-find-matching - (or header "subject") subject 'all))) - (or articles (error "Found no matches for \"%s\"" subject)) - (gnus-summary-limit articles)) - (gnus-summary-position-point)))) - -(defun gnus-summary-limit-to-author (from) - "Limit the summary buffer to articles that have authors that match a regexp." - (interactive "sRegexp: ") - (gnus-summary-limit-to-subject from "from")) - -(defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread) -(make-obsolete - 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread) - -(defun gnus-summary-limit-to-unread (&optional all) - "Limit the summary buffer to articles that are not marked as read. -If ALL is non-nil, limit strictly to unread articles." - (interactive "P") - (if all - (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark)) - (gnus-summary-limit-to-marks - ;; Concat all the marks that say that an article is read and have - ;; those removed. - (list gnus-del-mark gnus-read-mark gnus-ancient-mark - gnus-killed-mark gnus-kill-file-mark - gnus-low-score-mark gnus-expirable-mark - gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark) - 'reverse))) - -(defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-to-marks) -(make-obsolete 'gnus-summary-delete-marked-with 'gnus-summary-limit-to-marks) - -(defun gnus-summary-limit-to-marks (marks &optional reverse) - "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\"). -If REVERSE, limit the summary buffer to articles that are not marked -with MARKS. MARKS can either be a string of marks or a list of marks. -Returns how many articles were removed." - (interactive "sMarks: ") - (gnus-set-global-variables) - (prog1 - (let ((data gnus-newsgroup-data) - (marks (if (listp marks) marks - (append marks nil))) ; Transform to list. - articles) - (while data - (and (if reverse (not (memq (gnus-data-mark (car data)) marks)) - (memq (gnus-data-mark (car data)) marks)) - (setq articles (cons (gnus-data-number (car data)) articles))) - (setq data (cdr data))) - (gnus-summary-limit articles)) - (gnus-summary-position-point))) - -(defun gnus-summary-limit-to-score (&optional score) - "Limit to articles with score at or above SCORE." - (interactive "P") - (gnus-set-global-variables) - (setq score (if score - (prefix-numeric-value score) - (or gnus-summary-default-score 0))) - (let ((data gnus-newsgroup-data) - articles) - (while data - (when (>= (gnus-summary-article-score (gnus-data-number (car data))) - score) - (push (gnus-data-number (car data)) articles)) - (setq data (cdr data))) - (prog1 - (gnus-summary-limit articles) - (gnus-summary-position-point)))) - -(defun gnus-summary-limit-include-dormant () - "Display all the hidden articles that are marked as dormant." - (interactive) - (gnus-set-global-variables) - (or gnus-newsgroup-dormant - (error "There are no dormant articles in this group")) - (prog1 - (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit)) - (gnus-summary-position-point))) - -(defun gnus-summary-limit-exclude-dormant () - "Hide all dormant articles." - (interactive) - (gnus-set-global-variables) - (prog1 - (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse) - (gnus-summary-position-point))) - -(defun gnus-summary-limit-exclude-childless-dormant () - "Hide all dormant articles that have no children." - (interactive) - (gnus-set-global-variables) - (let ((data (gnus-data-list t)) - articles d children) - ;; Find all articles that are either not dormant or have - ;; children. - (while (setq d (pop data)) - (when (or (not (= (gnus-data-mark d) gnus-dormant-mark)) - (and (setq children - (gnus-article-children (gnus-data-number d))) - (let (found) - (while children - (when (memq (car children) articles) - (setq children nil - found t)) - (pop children)) - found))) - (push (gnus-data-number d) articles))) - ;; Do the limiting. - (prog1 - (gnus-summary-limit articles) - (gnus-summary-position-point)))) - -(defun gnus-summary-limit-mark-excluded-as-read (&optional all) - "Mark all unread excluded articles as read. -If ALL, mark even excluded ticked and dormants as read." - (interactive "P") - (let ((articles (gnus-sorted-complement - (sort - (mapcar (lambda (h) (mail-header-number h)) - gnus-newsgroup-headers) - '<) - (sort gnus-newsgroup-limit '<))) - article) - (setq gnus-newsgroup-unreads nil) - (if all - (setq gnus-newsgroup-dormant nil - gnus-newsgroup-marked nil - gnus-newsgroup-reads - (nconc - (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles) - gnus-newsgroup-reads)) - (while (setq article (pop articles)) - (unless (or (memq article gnus-newsgroup-dormant) - (memq article gnus-newsgroup-marked)) - (push (cons article gnus-catchup-mark) gnus-newsgroup-reads)))))) - -(defun gnus-summary-limit (articles &optional pop) - (if pop - ;; We pop the previous limit off the stack and use that. - (setq articles (car gnus-newsgroup-limits) - gnus-newsgroup-limits (cdr gnus-newsgroup-limits)) - ;; We use the new limit, so we push the old limit on the stack. - (setq gnus-newsgroup-limits - (cons gnus-newsgroup-limit gnus-newsgroup-limits))) - ;; Set the limit. - (setq gnus-newsgroup-limit articles) - (let ((total (length gnus-newsgroup-data)) - (data (gnus-data-find-list (gnus-summary-article-number))) - (gnus-summary-mark-below nil) ; Inhibit this. - found) - ;; This will do all the work of generating the new summary buffer - ;; according to the new limit. - (gnus-summary-prepare) - ;; Hide any threads, possibly. - (and gnus-show-threads - gnus-thread-hide-subtree - (gnus-summary-hide-all-threads)) - ;; Try to return to the article you were at, or one in the - ;; neighborhood. - (if data - ;; We try to find some article after the current one. - (while data - (and (gnus-summary-goto-subject - (gnus-data-number (car data)) nil t) - (setq data nil - found t)) - (setq data (cdr data)))) - (or found - ;; If there is no data, that means that we were after the last - ;; article. The same goes when we can't find any articles - ;; after the current one. - (progn - (goto-char (point-max)) - (gnus-summary-find-prev))) - ;; We return how many articles were removed from the summary - ;; buffer as a result of the new limit. - (- total (length gnus-newsgroup-data)))) - -(defsubst gnus-invisible-cut-children (threads) - (let ((num 0)) - (while threads - (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit) - (incf num)) - (pop threads)) - (< num 2))) - -(defsubst gnus-cut-thread (thread) - "Go forwards in the thread until we find an article that we want to display." - (when (or (eq gnus-fetch-old-headers 'some) - (eq gnus-build-sparse-threads 'some) - (eq gnus-build-sparse-threads 'more)) - ;; Deal with old-fetched headers and sparse threads. - (while (and - thread - (or - (memq (mail-header-number (car thread)) gnus-newsgroup-sparse) - (memq (mail-header-number (car thread)) gnus-newsgroup-ancient)) - (or (<= (length (cdr thread)) 1) - (gnus-invisible-cut-children (cdr thread)))) - (setq thread (cadr thread)))) - thread) - -(defun gnus-cut-threads (threads) - "Cut off all uninteresting articles from the beginning of threads." - (when (or (eq gnus-fetch-old-headers 'some) - (eq gnus-build-sparse-threads 'some) - (eq gnus-build-sparse-threads 'more)) - (let ((th threads)) - (while th - (setcar th (gnus-cut-thread (car th))) - (setq th (cdr th))))) - ;; Remove nixed out threads. - (delq nil threads)) - -(defun gnus-summary-initial-limit (&optional show-if-empty) - "Figure out what the initial limit is supposed to be on group entry. -This entails weeding out unwanted dormants, low-scored articles, -fetch-old-headers verbiage, and so on." - ;; Most groups have nothing to remove. - (if (or gnus-inhibit-limiting - (and (null gnus-newsgroup-dormant) - (not (eq gnus-fetch-old-headers 'some)) - (null gnus-summary-expunge-below) - (not (eq gnus-build-sparse-threads 'some)) - (not (eq gnus-build-sparse-threads 'more)) - (null gnus-thread-expunge-below) - (not gnus-use-nocem))) - () ; Do nothing. - (push gnus-newsgroup-limit gnus-newsgroup-limits) - (setq gnus-newsgroup-limit nil) - (mapatoms - (lambda (node) - (unless (car (symbol-value node)) - ;; These threads have no parents -- they are roots. - (let ((nodes (cdr (symbol-value node))) - thread) - (while nodes - (if (and gnus-thread-expunge-below - (< (gnus-thread-total-score (car nodes)) - gnus-thread-expunge-below)) - (gnus-expunge-thread (pop nodes)) - (setq thread (pop nodes)) - (gnus-summary-limit-children thread)))))) - gnus-newsgroup-dependencies) - ;; If this limitation resulted in an empty group, we might - ;; pop the previous limit and use it instead. - (when (and (not gnus-newsgroup-limit) - show-if-empty) - (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits))) - gnus-newsgroup-limit)) - -(defun gnus-summary-limit-children (thread) - "Return 1 if this subthread is visible and 0 if it is not." - ;; First we get the number of visible children to this thread. This - ;; is done by recursing down the thread using this function, so this - ;; will really go down to a leaf article first, before slowly - ;; working its way up towards the root. - (when thread - (let ((children - (if (cdr thread) - (apply '+ (mapcar 'gnus-summary-limit-children - (cdr thread))) - 0)) - (number (mail-header-number (car thread))) - score) - (if (or - ;; If this article is dormant and has absolutely no visible - ;; children, then this article isn't visible. - (and (memq number gnus-newsgroup-dormant) - (= children 0)) - ;; If this is "fetch-old-headered" and there is only one - ;; visible child (or less), then we don't want this article. - (and (eq gnus-fetch-old-headers 'some) - (memq number gnus-newsgroup-ancient) - (zerop children)) - ;; If this is a sparsely inserted article with no children, - ;; we don't want it. - (and (eq gnus-build-sparse-threads 'some) - (memq number gnus-newsgroup-sparse) - (zerop children)) - ;; If we use expunging, and this article is really - ;; low-scored, then we don't want this article. - (when (and gnus-summary-expunge-below - (< (setq score - (or (cdr (assq number gnus-newsgroup-scored)) - gnus-summary-default-score)) - gnus-summary-expunge-below)) - ;; We increase the expunge-tally here, but that has - ;; nothing to do with the limits, really. - (incf gnus-newsgroup-expunged-tally) - ;; We also mark as read here, if that's wanted. - (when (and gnus-summary-mark-below - (< score gnus-summary-mark-below)) - (setq gnus-newsgroup-unreads - (delq number gnus-newsgroup-unreads)) - (if gnus-newsgroup-auto-expire - (push number gnus-newsgroup-expirable) - (push (cons number gnus-low-score-mark) - gnus-newsgroup-reads))) - t) - (and gnus-use-nocem - (gnus-nocem-unwanted-article-p (mail-header-id (car thread))))) - ;; Nope, invisible article. - 0 - ;; Ok, this article is to be visible, so we add it to the limit - ;; and return 1. - (setq gnus-newsgroup-limit (cons number gnus-newsgroup-limit)) - 1)))) - -(defun gnus-expunge-thread (thread) - "Mark all articles in THREAD as read." - (let* ((number (mail-header-number (car thread)))) - (incf gnus-newsgroup-expunged-tally) - ;; We also mark as read here, if that's wanted. - (setq gnus-newsgroup-unreads - (delq number gnus-newsgroup-unreads)) - (if gnus-newsgroup-auto-expire - (push number gnus-newsgroup-expirable) - (push (cons number gnus-low-score-mark) - gnus-newsgroup-reads))) - ;; Go recursively through all subthreads. - (mapcar 'gnus-expunge-thread (cdr thread))) - -;; Summary article oriented commands - -(defun gnus-summary-refer-parent-article (n) - "Refer parent article N times. -The difference between N and the number of articles fetched is returned." - (interactive "p") - (gnus-set-global-variables) - (while - (and - (> n 0) - (let* ((header (gnus-summary-article-header)) - (ref - ;; If we try to find the parent of the currently - ;; displayed article, then we take a look at the actual - ;; References header, since this is slightly more - ;; reliable than the References field we got from the - ;; server. - (if (and (eq (mail-header-number header) - (cdr gnus-article-current)) - (equal gnus-newsgroup-name - (car gnus-article-current))) - (save-excursion - (set-buffer gnus-original-article-buffer) - (nnheader-narrow-to-headers) - (prog1 - (message-fetch-field "references") - (widen))) - ;; It's not the current article, so we take a bet on - ;; the value we got from the server. - (mail-header-references header)))) - (if (setq ref (or ref (mail-header-references header))) - (or (gnus-summary-refer-article (gnus-parent-id ref)) - (gnus-message 1 "Couldn't find parent")) - (gnus-message 1 "No references in article %d" - (gnus-summary-article-number)) - nil))) - (setq n (1- n))) - (gnus-summary-position-point) - n) - -(defun gnus-summary-refer-references () - "Fetch all articles mentioned in the References header. -Return how many articles were fetched." - (interactive) - (gnus-set-global-variables) - (let ((ref (mail-header-references (gnus-summary-article-header))) - (current (gnus-summary-article-number)) - (n 0)) - ;; For each Message-ID in the References header... - (while (string-match "<[^>]*>" ref) - (incf n) - ;; ... fetch that article. - (gnus-summary-refer-article - (prog1 (match-string 0 ref) - (setq ref (substring ref (match-end 0)))))) - (gnus-summary-goto-subject current) - (gnus-summary-position-point) - n)) - -(defun gnus-summary-refer-article (message-id) - "Fetch an article specified by MESSAGE-ID." - (interactive "sMessage-ID: ") - (when (and (stringp message-id) - (not (zerop (length message-id)))) - ;; Construct the correct Message-ID if necessary. - ;; Suggested by tale@pawl.rpi.edu. - (unless (string-match "^<" message-id) - (setq message-id (concat "<" message-id))) - (unless (string-match ">$" message-id) - (setq message-id (concat message-id ">"))) - (let* ((header (gnus-id-to-header message-id)) - (sparse (and header - (memq (mail-header-number header) - gnus-newsgroup-sparse)))) - (if header - (prog1 - ;; The article is present in the buffer, to we just go to it. - (gnus-summary-goto-article - (mail-header-number header) nil header) - (when sparse - (gnus-summary-update-article (mail-header-number header)))) - ;; We fetch the article - (let ((gnus-override-method - (and (gnus-news-group-p gnus-newsgroup-name) - gnus-refer-article-method)) - number) - ;; Start the special refer-article method, if necessary. - (when (and gnus-refer-article-method - (gnus-news-group-p gnus-newsgroup-name)) - (gnus-check-server gnus-refer-article-method)) - ;; Fetch the header, and display the article. - (if (setq number (gnus-summary-insert-subject message-id)) - (gnus-summary-select-article nil nil nil number) - (gnus-message 3 "Couldn't fetch article %s" message-id))))))) - -(defun gnus-summary-enter-digest-group (&optional force) - "Enter a digest group based on the current article." - (interactive "P") - (gnus-set-global-variables) - (gnus-summary-select-article) - (let ((name (format "%s-%d" - (gnus-group-prefixed-name - gnus-newsgroup-name (list 'nndoc "")) - gnus-current-article)) - (ogroup gnus-newsgroup-name) - (case-fold-search t) - (buf (current-buffer)) - dig) - (save-excursion - (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*")) - (insert-buffer-substring gnus-original-article-buffer) - (narrow-to-region - (goto-char (point-min)) - (or (search-forward "\n\n" nil t) (point))) - (goto-char (point-min)) - (delete-matching-lines "^\\(Path\\):\\|^From ") - (widen)) - (unwind-protect - (if (gnus-group-read-ephemeral-group - name `(nndoc ,name (nndoc-address - ,(get-buffer dig)) - (nndoc-article-type ,(if force 'digest 'guess))) t) - ;; Make all postings to this group go to the parent group. - (nconc (gnus-info-params (gnus-get-info name)) - (list (cons 'to-group ogroup))) - ;; Couldn't select this doc group. - (switch-to-buffer buf) - (gnus-set-global-variables) - (gnus-configure-windows 'summary) - (gnus-message 3 "Article couldn't be entered?")) - (kill-buffer dig)))) - -(defun gnus-summary-isearch-article (&optional regexp-p) - "Do incremental search forward on the current article. -If REGEXP-P (the prefix) is non-nil, do regexp isearch." - (interactive "P") - (gnus-set-global-variables) - (gnus-summary-select-article) - (gnus-configure-windows 'article) - (gnus-eval-in-buffer-window gnus-article-buffer - (goto-char (point-min)) - (isearch-forward regexp-p))) - -(defun gnus-summary-search-article-forward (regexp &optional backward) - "Search for an article containing REGEXP forward. -If BACKWARD, search backward instead." - (interactive - (list (read-string - (format "Search article %s (regexp%s): " - (if current-prefix-arg "backward" "forward") - (if gnus-last-search-regexp - (concat ", default " gnus-last-search-regexp) - ""))) - current-prefix-arg)) - (gnus-set-global-variables) - (if (string-equal regexp "") - (setq regexp (or gnus-last-search-regexp "")) - (setq gnus-last-search-regexp regexp)) - (unless (gnus-summary-search-article regexp backward) - (error "Search failed: \"%s\"" regexp))) - -(defun gnus-summary-search-article-backward (regexp) - "Search for an article containing REGEXP backward." - (interactive - (list (read-string - (format "Search article backward (regexp%s): " - (if gnus-last-search-regexp - (concat ", default " gnus-last-search-regexp) - ""))))) - (gnus-summary-search-article-forward regexp 'backward)) - -(defun gnus-summary-search-article (regexp &optional backward) - "Search for an article containing REGEXP. -Optional argument BACKWARD means do search for backward. -`gnus-select-article-hook' is not called during the search." - (let ((gnus-select-article-hook nil) ;Disable hook. - (gnus-article-display-hook nil) - (gnus-mark-article-hook nil) ;Inhibit marking as read. - (re-search - (if backward - 're-search-backward 're-search-forward)) - (sum (current-buffer)) - (found nil)) - (gnus-save-hidden-threads - (gnus-summary-select-article) - (set-buffer gnus-article-buffer) - (when backward - (forward-line -1)) - (while (not found) - (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current)) - (if (if backward - (re-search-backward regexp nil t) - (re-search-forward regexp nil t)) - ;; We found the regexp. - (progn - (setq found 'found) - (beginning-of-line) - (set-window-start - (get-buffer-window (current-buffer)) - (point)) - (forward-line 1) - (set-buffer sum)) - ;; We didn't find it, so we go to the next article. - (set-buffer sum) - (if (not (if backward (gnus-summary-find-prev) - (gnus-summary-find-next))) - ;; No more articles. - (setq found t) - ;; Select the next article and adjust point. - (gnus-summary-select-article) - (set-buffer gnus-article-buffer) - (widen) - (goto-char (if backward (point-max) (point-min)))))) - (gnus-message 7 "")) - ;; Return whether we found the regexp. - (when (eq found 'found) - (gnus-summary-show-thread) - (gnus-summary-goto-subject gnus-current-article) - (gnus-summary-position-point) - t))) - -(defun gnus-summary-find-matching (header regexp &optional backward unread - not-case-fold) - "Return a list of all articles that match REGEXP on HEADER. -The search stars on the current article and goes forwards unless -BACKWARD is non-nil. If BACKWARD is `all', do all articles. -If UNREAD is non-nil, only unread articles will -be taken into consideration. If NOT-CASE-FOLD, case won't be folded -in the comparisons." - (let ((data (if (eq backward 'all) gnus-newsgroup-data - (gnus-data-find-list - (gnus-summary-article-number) (gnus-data-list backward)))) - (func `(lambda (h) (,(intern (concat "mail-header-" header)) h))) - (case-fold-search (not not-case-fold)) - articles d) - (or (fboundp (intern (concat "mail-header-" header))) - (error "%s is not a valid header" header)) - (while data - (setq d (car data)) - (and (or (not unread) ; We want all articles... - (gnus-data-unread-p d)) ; Or just unreads. - (vectorp (gnus-data-header d)) ; It's not a pseudo. - (string-match regexp (funcall func (gnus-data-header d))) ; Match. - (setq articles (cons (gnus-data-number d) articles))) ; Success! - (setq data (cdr data))) - (nreverse articles))) - -(defun gnus-summary-execute-command (header regexp command &optional backward) - "Search forward for an article whose HEADER matches REGEXP and execute COMMAND. -If HEADER is an empty string (or nil), the match is done on the entire -article. If BACKWARD (the prefix) is non-nil, search backward instead." - (interactive - (list (let ((completion-ignore-case t)) - (completing-read - "Header name: " - (mapcar (lambda (string) (list string)) - '("Number" "Subject" "From" "Lines" "Date" - "Message-ID" "Xref" "References" "Body")) - nil 'require-match)) - (read-string "Regexp: ") - (read-key-sequence "Command: ") - current-prefix-arg)) - (when (equal header "Body") - (setq header "")) - (gnus-set-global-variables) - ;; Hidden thread subtrees must be searched as well. - (gnus-summary-show-all-threads) - ;; We don't want to change current point nor window configuration. - (save-excursion - (save-window-excursion - (gnus-message 6 "Executing %s..." (key-description command)) - ;; We'd like to execute COMMAND interactively so as to give arguments. - (gnus-execute header regexp - `(lambda () (call-interactively ',(key-binding command))) - backward) - (gnus-message 6 "Executing %s...done" (key-description command))))) - -(defun gnus-summary-beginning-of-article () - "Scroll the article back to the beginning." - (interactive) - (gnus-set-global-variables) - (gnus-summary-select-article) - (gnus-configure-windows 'article) - (gnus-eval-in-buffer-window gnus-article-buffer - (widen) - (goto-char (point-min)) - (and gnus-break-pages (gnus-narrow-to-page)))) - -(defun gnus-summary-end-of-article () - "Scroll to the end of the article." - (interactive) - (gnus-set-global-variables) - (gnus-summary-select-article) - (gnus-configure-windows 'article) - (gnus-eval-in-buffer-window gnus-article-buffer - (widen) - (goto-char (point-max)) - (recenter -3) - (and gnus-break-pages (gnus-narrow-to-page)))) - -(defun gnus-summary-show-article (&optional arg) - "Force re-fetching of the current article. -If ARG (the prefix) is non-nil, show the raw article without any -article massaging functions being run." - (interactive "P") - (gnus-set-global-variables) - (if (not arg) - ;; Select the article the normal way. - (gnus-summary-select-article nil 'force) - ;; Bind the article treatment functions to nil. - (let ((gnus-have-all-headers t) - gnus-article-display-hook - gnus-article-prepare-hook - gnus-break-pages - gnus-visual) - (gnus-summary-select-article nil 'force))) - (gnus-summary-goto-subject gnus-current-article) -; (gnus-configure-windows 'article) - (gnus-summary-position-point)) - -(defun gnus-summary-verbose-headers (&optional arg) - "Toggle permanent full header display. -If ARG is a positive number, turn header display on. -If ARG is a negative number, turn header display off." - (interactive "P") - (gnus-set-global-variables) - (gnus-summary-toggle-header arg) - (setq gnus-show-all-headers - (cond ((or (not (numberp arg)) - (zerop arg)) - (not gnus-show-all-headers)) - ((natnump arg) - t)))) - -(defun gnus-summary-toggle-header (&optional arg) - "Show the headers if they are hidden, or hide them if they are shown. -If ARG is a positive number, show the entire header. -If ARG is a negative number, hide the unwanted header lines." - (interactive "P") - (gnus-set-global-variables) - (save-excursion - (set-buffer gnus-article-buffer) - (let* ((buffer-read-only nil) - (inhibit-point-motion-hooks t) - (hidden (text-property-any - (goto-char (point-min)) (search-forward "\n\n") - 'invisible t)) - e) - (goto-char (point-min)) - (when (search-forward "\n\n" nil t) - (delete-region (point-min) (1- (point)))) - (goto-char (point-min)) - (save-excursion - (set-buffer gnus-original-article-buffer) - (goto-char (point-min)) - (setq e (1- (or (search-forward "\n\n" nil t) (point-max))))) - (insert-buffer-substring gnus-original-article-buffer 1 e) - (let ((gnus-inhibit-hiding t)) - (run-hooks 'gnus-article-display-hook)) - (if (or (not hidden) (and (numberp arg) (< arg 0))) - (gnus-article-hide-headers))))) - -(defun gnus-summary-show-all-headers () - "Make all header lines visible." - (interactive) - (gnus-set-global-variables) - (gnus-article-show-all-headers)) - -(defun gnus-summary-toggle-mime (&optional arg) - "Toggle MIME processing. -If ARG is a positive number, turn MIME processing on." - (interactive "P") - (gnus-set-global-variables) - (setq gnus-show-mime - (if (null arg) (not gnus-show-mime) - (> (prefix-numeric-value arg) 0))) - (gnus-summary-select-article t 'force)) - -(defun gnus-summary-caesar-message (&optional arg) - "Caesar rotate the current article by 13. -The numerical prefix specifies how manu places to rotate each letter -forward." - (interactive "P") - (gnus-set-global-variables) - (gnus-summary-select-article) - (let ((mail-header-separator "")) - (gnus-eval-in-buffer-window gnus-article-buffer - (save-restriction - (widen) - (let ((start (window-start)) - buffer-read-only) - (message-caesar-buffer-body arg) - (set-window-start (get-buffer-window (current-buffer)) start)))))) - -(defun gnus-summary-stop-page-breaking () - "Stop page breaking in the current article." - (interactive) - (gnus-set-global-variables) - (gnus-summary-select-article) - (gnus-eval-in-buffer-window gnus-article-buffer - (widen))) - -(defun gnus-summary-move-article (&optional n to-newsgroup select-method action) - "Move the current article to a different newsgroup. -If N is a positive number, move the N next articles. -If N is a negative number, move the N previous articles. -If N is nil and any articles have been marked with the process mark, -move those articles instead. -If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to. -If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but -re-spool using this method. - -For this function to work, both the current newsgroup and the -newsgroup that you want to move to have to support the `request-move' -and `request-accept' functions." - (interactive "P") - (unless action (setq action 'move)) - (gnus-set-global-variables) - ;; Check whether the source group supports the required functions. - (cond ((and (eq action 'move) - (not (gnus-check-backend-function - 'request-move-article gnus-newsgroup-name))) - (error "The current group does not support article moving")) - ((and (eq action 'crosspost) - (not (gnus-check-backend-function - 'request-replace-article gnus-newsgroup-name))) - (error "The current group does not support article editing"))) - (let ((articles (gnus-summary-work-articles n)) - (prefix (gnus-group-real-prefix gnus-newsgroup-name)) - (names '((move "Move" "Moving") - (copy "Copy" "Copying") - (crosspost "Crosspost" "Crossposting"))) - (copy-buf (save-excursion - (nnheader-set-temp-buffer " *copy article*"))) - art-group to-method new-xref article to-groups) - (unless (assq action names) - (error "Unknown action %s" action)) - ;; Read the newsgroup name. - (when (and (not to-newsgroup) - (not select-method)) - (setq to-newsgroup - (gnus-read-move-group-name - (cadr (assq action names)) - (symbol-value (intern (format "gnus-current-%s-group" action))) - articles prefix)) - (set (intern (format "gnus-current-%s-group" action)) to-newsgroup)) - (setq to-method (or select-method - (gnus-group-name-to-method to-newsgroup))) - ;; Check the method we are to move this article to... - (or (gnus-check-backend-function 'request-accept-article (car to-method)) - (error "%s does not support article copying" (car to-method))) - (or (gnus-check-server to-method) - (error "Can't open server %s" (car to-method))) - (gnus-message 6 "%s to %s: %s..." - (caddr (assq action names)) - (or (car select-method) to-newsgroup) articles) - (while articles - (setq article (pop articles)) - (setq - art-group - (cond - ;; Move the article. - ((eq action 'move) - (gnus-request-move-article - article ; Article to move - gnus-newsgroup-name ; From newsgrouo - (nth 1 (gnus-find-method-for-group - gnus-newsgroup-name)) ; Server - (list 'gnus-request-accept-article - to-newsgroup (list 'quote select-method) - (not articles)) ; Accept form - (not articles))) ; Only save nov last time - ;; Copy the article. - ((eq action 'copy) - (save-excursion - (set-buffer copy-buf) - (gnus-request-article-this-buffer article gnus-newsgroup-name) - (gnus-request-accept-article - to-newsgroup select-method (not articles)))) - ;; Crosspost the article. - ((eq action 'crosspost) - (let ((xref (mail-header-xref (gnus-summary-article-header article)))) - (setq new-xref (concat gnus-newsgroup-name ":" article)) - (if (and xref (not (string= xref ""))) - (progn - (when (string-match "^Xref: " xref) - (setq xref (substring xref (match-end 0)))) - (setq new-xref (concat xref " " new-xref))) - (setq new-xref (concat (system-name) " " new-xref))) - (save-excursion - (set-buffer copy-buf) - (gnus-request-article-this-buffer article gnus-newsgroup-name) - (nnheader-replace-header "xref" new-xref) - (gnus-request-accept-article - to-newsgroup select-method (not articles))))))) - (if (not art-group) - (gnus-message 1 "Couldn't %s article %s" - (cadr (assq action names)) article) - (let* ((entry - (or - (gnus-gethash (car art-group) gnus-newsrc-hashtb) - (gnus-gethash - (gnus-group-prefixed-name - (car art-group) - (or select-method - (gnus-find-method-for-group to-newsgroup))) - gnus-newsrc-hashtb))) - (info (nth 2 entry)) - (to-group (gnus-info-group info))) - ;; Update the group that has been moved to. - (when (and info - (memq action '(move copy))) - (unless (member to-group to-groups) - (push to-group to-groups)) - - (unless (memq article gnus-newsgroup-unreads) - (gnus-info-set-read - info (gnus-add-to-range (gnus-info-read info) - (list (cdr art-group))))) - - ;; Copy any marks over to the new group. - (let ((marks gnus-article-mark-lists) - (to-article (cdr art-group))) - - ;; See whether the article is to be put in the cache. - (when gnus-use-cache - (gnus-cache-possibly-enter-article - to-group to-article - (let ((header (copy-sequence - (gnus-summary-article-header article)))) - (mail-header-set-number header to-article) - header) - (memq article gnus-newsgroup-marked) - (memq article gnus-newsgroup-dormant) - (memq article gnus-newsgroup-unreads))) - - (while marks - (when (memq article (symbol-value - (intern (format "gnus-newsgroup-%s" - (caar marks))))) - ;; If the other group is the same as this group, - ;; then we have to add the mark to the list. - (when (equal to-group gnus-newsgroup-name) - (set (intern (format "gnus-newsgroup-%s" (caar marks))) - (cons to-article - (symbol-value - (intern (format "gnus-newsgroup-%s" - (caar marks))))))) - ;; Copy mark to other group. - (gnus-add-marked-articles - to-group (cdar marks) (list to-article) info)) - (setq marks (cdr marks))))) - - ;; Update the Xref header in this article to point to - ;; the new crossposted article we have just created. - (when (eq action 'crosspost) - (save-excursion - (set-buffer copy-buf) - (gnus-request-article-this-buffer article gnus-newsgroup-name) - (nnheader-replace-header - "xref" (concat new-xref " " (gnus-group-prefixed-name - (car art-group) to-method) - ":" (cdr art-group))) - (gnus-request-replace-article - article gnus-newsgroup-name (current-buffer))))) - - (gnus-summary-goto-subject article) - (when (eq action 'move) - (gnus-summary-mark-article article gnus-canceled-mark))) - (gnus-summary-remove-process-mark article)) - ;; Re-activate all groups that have been moved to. - (while to-groups - (gnus-activate-group (pop to-groups))) - - (gnus-kill-buffer copy-buf) - (gnus-summary-position-point) - (gnus-set-mode-line 'summary))) - -(defun gnus-summary-copy-article (&optional n to-newsgroup select-method) - "Move the current article to a different newsgroup. -If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to. -If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but -re-spool using this method." - (interactive "P") - (gnus-summary-move-article n nil select-method 'copy)) - -(defun gnus-summary-crosspost-article (&optional n) - "Crosspost the current article to some other group." - (interactive "P") - (gnus-summary-move-article n nil nil 'crosspost)) - -(defvar gnus-summary-respool-default-method nil - "Default method for respooling an article. -If nil, use to the current newsgroup method.") - -(defun gnus-summary-respool-article (&optional n method) - "Respool the current article. -The article will be squeezed through the mail spooling process again, -which means that it will be put in some mail newsgroup or other -depending on `nnmail-split-methods'. -If N is a positive number, respool the N next articles. -If N is a negative number, respool the N previous articles. -If N is nil and any articles have been marked with the process mark, -respool those articles instead. - -Respooling can be done both from mail groups and \"real\" newsgroups. -In the former case, the articles in question will be moved from the -current group into whatever groups they are destined to. In the -latter case, they will be copied into the relevant groups." - (interactive - (list current-prefix-arg - (let* ((methods (gnus-methods-using 'respool)) - (methname - (symbol-name (or gnus-summary-respool-default-method - (car (gnus-find-method-for-group - gnus-newsgroup-name))))) - (method - (gnus-completing-read - methname "What backend do you want to use when respooling?" - methods nil t nil 'gnus-method-history)) - ms) - (cond - ((zerop (length (setq ms (gnus-servers-using-backend method)))) - (list (intern method) "")) - ((= 1 (length ms)) - (car ms)) - (t - (cdr (completing-read - "Server name: " - (mapcar (lambda (m) (cons (cadr m) m)) ms) nil t))))))) - (gnus-set-global-variables) - (unless method - (error "No method given for respooling")) - (if (assoc (symbol-name - (car (gnus-find-method-for-group gnus-newsgroup-name))) - (gnus-methods-using 'respool)) - (gnus-summary-move-article n nil method) - (gnus-summary-copy-article n nil method))) - -(defun gnus-summary-import-article (file) - "Import a random file into a mail newsgroup." - (interactive "fImport file: ") - (gnus-set-global-variables) - (let ((group gnus-newsgroup-name) - (now (current-time)) - atts lines) - (or (gnus-check-backend-function 'request-accept-article group) - (error "%s does not support article importing" group)) - (or (file-readable-p file) - (not (file-regular-p file)) - (error "Can't read %s" file)) - (save-excursion - (set-buffer (get-buffer-create " *import file*")) - (buffer-disable-undo (current-buffer)) - (erase-buffer) - (insert-file-contents file) - (goto-char (point-min)) - (unless (nnheader-article-p) - ;; This doesn't look like an article, so we fudge some headers. - (setq atts (file-attributes file) - lines (count-lines (point-min) (point-max))) - (insert "From: " (read-string "From: ") "\n" - "Subject: " (read-string "Subject: ") "\n" - "Date: " (timezone-make-date-arpa-standard - (current-time-string (nth 5 atts)) - (current-time-zone now) - (current-time-zone now)) "\n" - "Message-ID: " (message-make-message-id) "\n" - "Lines: " (int-to-string lines) "\n" - "Chars: " (int-to-string (nth 7 atts)) "\n\n")) - (gnus-request-accept-article group nil t) - (kill-buffer (current-buffer))))) - -(defun gnus-summary-expire-articles (&optional now) - "Expire all articles that are marked as expirable in the current group." - (interactive) - (gnus-set-global-variables) - (when (gnus-check-backend-function - 'request-expire-articles gnus-newsgroup-name) - ;; This backend supports expiry. - (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name)) - (expirable (if total - (gnus-list-of-read-articles gnus-newsgroup-name) - (setq gnus-newsgroup-expirable - (sort gnus-newsgroup-expirable '<)))) - (expiry-wait (if now 'immediate - (gnus-group-get-parameter - gnus-newsgroup-name 'expiry-wait))) - es) - (when expirable - ;; There are expirable articles in this group, so we run them - ;; through the expiry process. - (gnus-message 6 "Expiring articles...") - ;; The list of articles that weren't expired is returned. - (if expiry-wait - (let ((nnmail-expiry-wait-function nil) - (nnmail-expiry-wait expiry-wait)) - (setq es (gnus-request-expire-articles - expirable gnus-newsgroup-name))) - (setq es (gnus-request-expire-articles - expirable gnus-newsgroup-name))) - (or total (setq gnus-newsgroup-expirable es)) - ;; We go through the old list of expirable, and mark all - ;; really expired articles as nonexistent. - (unless (eq es expirable) ;If nothing was expired, we don't mark. - (let ((gnus-use-cache nil)) - (while expirable - (unless (memq (car expirable) es) - (when (gnus-data-find (car expirable)) - (gnus-summary-mark-article - (car expirable) gnus-canceled-mark))) - (setq expirable (cdr expirable))))) - (gnus-message 6 "Expiring articles...done"))))) - -(defun gnus-summary-expire-articles-now () - "Expunge all expirable articles in the current group. -This means that *all* articles that are marked as expirable will be -deleted forever, right now." - (interactive) - (gnus-set-global-variables) - (or gnus-expert-user - (gnus-y-or-n-p - "Are you really, really, really sure you want to delete all these messages? ") - (error "Phew!")) - (gnus-summary-expire-articles t)) - -;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>. -(defun gnus-summary-delete-article (&optional n) - "Delete the N next (mail) articles. -This command actually deletes articles. This is not a marking -command. The article will disappear forever from your life, never to -return. -If N is negative, delete backwards. -If N is nil and articles have been marked with the process mark, -delete these instead." - (interactive "P") - (gnus-set-global-variables) - (or (gnus-check-backend-function 'request-expire-articles - gnus-newsgroup-name) - (error "The current newsgroup does not support article deletion.")) - ;; Compute the list of articles to delete. - (let ((articles (gnus-summary-work-articles n)) - not-deleted) - (if (and gnus-novice-user - (not (gnus-y-or-n-p - (format "Do you really want to delete %s forever? " - (if (> (length articles) 1) - (format "these %s articles" (length articles)) - "this article"))))) - () - ;; Delete the articles. - (setq not-deleted (gnus-request-expire-articles - articles gnus-newsgroup-name 'force)) - (while articles - (gnus-summary-remove-process-mark (car articles)) - ;; The backend might not have been able to delete the article - ;; after all. - (or (memq (car articles) not-deleted) - (gnus-summary-mark-article (car articles) gnus-canceled-mark)) - (setq articles (cdr articles)))) - (gnus-summary-position-point) - (gnus-set-mode-line 'summary) - not-deleted)) - -(defun gnus-summary-edit-article (&optional force) - "Enter into a buffer and edit the current article. -This will have permanent effect only in mail groups. -If FORCE is non-nil, allow editing of articles even in read-only -groups." - (interactive "P") - (save-excursion - (set-buffer gnus-summary-buffer) - (gnus-set-global-variables) - (when (and (not force) - (gnus-group-read-only-p)) - (error "The current newsgroup does not support article editing.")) - (gnus-summary-select-article t nil t) - (gnus-configure-windows 'article) - (select-window (get-buffer-window gnus-article-buffer)) - (gnus-message 6 "C-c C-c to end edits") - (setq buffer-read-only nil) - (text-mode) - (use-local-map (copy-keymap (current-local-map))) - (local-set-key "\C-c\C-c" 'gnus-summary-edit-article-done) - (buffer-enable-undo) - (widen) - (goto-char (point-min)) - (search-forward "\n\n" nil t))) - -(defun gnus-summary-edit-article-done () - "Make edits to the current article permanent." - (interactive) - (if (gnus-group-read-only-p) - (progn - (let ((beep (not (eq major-mode 'text-mode)))) - (gnus-summary-edit-article-postpone) - (when beep - (gnus-error - 3 "The current newsgroup does not support article editing.")))) - (let ((buf (format "%s" (buffer-string)))) - (erase-buffer) - (insert buf) - (if (not (gnus-request-replace-article - (cdr gnus-article-current) (car gnus-article-current) - (current-buffer))) - (error "Couldn't replace article.") - (gnus-article-mode) - (use-local-map gnus-article-mode-map) - (setq buffer-read-only t) - (buffer-disable-undo (current-buffer)) - (gnus-configure-windows 'summary) - (gnus-summary-update-article (cdr gnus-article-current)) - (when gnus-use-cache - (gnus-cache-update-article - (car gnus-article-current) (cdr gnus-article-current))) - (when gnus-keep-backlog - (gnus-backlog-remove-article - (car gnus-article-current) (cdr gnus-article-current)))) - (save-excursion - (when (get-buffer gnus-original-article-buffer) - (set-buffer gnus-original-article-buffer) - (setq gnus-original-article nil))) - (setq gnus-article-current nil - gnus-current-article nil) - (run-hooks 'gnus-article-display-hook) - (and (gnus-visual-p 'summary-highlight 'highlight) - (run-hooks 'gnus-visual-mark-article-hook))))) - -(defun gnus-summary-edit-article-postpone () - "Postpone changes to the current article." - (interactive) - (gnus-article-mode) - (use-local-map gnus-article-mode-map) - (setq buffer-read-only t) - (buffer-disable-undo (current-buffer)) - (gnus-configure-windows 'summary) - (and (gnus-visual-p 'summary-highlight 'highlight) - (run-hooks 'gnus-visual-mark-article-hook))) - -(defun gnus-summary-respool-query () - "Query where the respool algorithm would put this article." - (interactive) - (gnus-set-global-variables) - (gnus-summary-select-article) - (save-excursion - (set-buffer gnus-article-buffer) - (save-restriction - (goto-char (point-min)) - (search-forward "\n\n") - (narrow-to-region (point-min) (point)) - (pp-eval-expression - (list 'quote (mapcar 'car (nnmail-article-group 'identity))))))) - -;; Summary marking commands. - -(defun gnus-summary-kill-same-subject-and-select (&optional unmark) - "Mark articles which has the same subject as read, and then select the next. -If UNMARK is positive, remove any kind of mark. -If UNMARK is negative, tick articles." - (interactive "P") - (gnus-set-global-variables) - (if unmark - (setq unmark (prefix-numeric-value unmark))) - (let ((count - (gnus-summary-mark-same-subject - (gnus-summary-article-subject) unmark))) - ;; Select next unread article. If auto-select-same mode, should - ;; select the first unread article. - (gnus-summary-next-article t (and gnus-auto-select-same - (gnus-summary-article-subject))) - (gnus-message 7 "%d article%s marked as %s" - count (if (= count 1) " is" "s are") - (if unmark "unread" "read")))) - -(defun gnus-summary-kill-same-subject (&optional unmark) - "Mark articles which has the same subject as read. -If UNMARK is positive, remove any kind of mark. -If UNMARK is negative, tick articles." - (interactive "P") - (gnus-set-global-variables) - (if unmark - (setq unmark (prefix-numeric-value unmark))) - (let ((count - (gnus-summary-mark-same-subject - (gnus-summary-article-subject) unmark))) - ;; If marked as read, go to next unread subject. - (if (null unmark) - ;; Go to next unread subject. - (gnus-summary-next-subject 1 t)) - (gnus-message 7 "%d articles are marked as %s" - count (if unmark "unread" "read")))) - -(defun gnus-summary-mark-same-subject (subject &optional unmark) - "Mark articles with same SUBJECT as read, and return marked number. -If optional argument UNMARK is positive, remove any kinds of marks. -If optional argument UNMARK is negative, mark articles as unread instead." - (let ((count 1)) - (save-excursion - (cond - ((null unmark) ; Mark as read. - (while (and - (progn - (gnus-summary-mark-article-as-read gnus-killed-mark) - (gnus-summary-show-thread) t) - (gnus-summary-find-subject subject)) - (setq count (1+ count)))) - ((> unmark 0) ; Tick. - (while (and - (progn - (gnus-summary-mark-article-as-unread gnus-ticked-mark) - (gnus-summary-show-thread) t) - (gnus-summary-find-subject subject)) - (setq count (1+ count)))) - (t ; Mark as unread. - (while (and - (progn - (gnus-summary-mark-article-as-unread gnus-unread-mark) - (gnus-summary-show-thread) t) - (gnus-summary-find-subject subject)) - (setq count (1+ count))))) - (gnus-set-mode-line 'summary) - ;; Return the number of marked articles. - count))) - -(defun gnus-summary-mark-as-processable (n &optional unmark) - "Set the process mark on the next N articles. -If N is negative, mark backward instead. If UNMARK is non-nil, remove -the process mark instead. The difference between N and the actual -number of articles marked is returned." - (interactive "p") - (gnus-set-global-variables) - (let ((backward (< n 0)) - (n (abs n))) - (while (and - (> n 0) - (if unmark - (gnus-summary-remove-process-mark - (gnus-summary-article-number)) - (gnus-summary-set-process-mark (gnus-summary-article-number))) - (zerop (gnus-summary-next-subject (if backward -1 1) nil t))) - (setq n (1- n))) - (if (/= 0 n) (gnus-message 7 "No more articles")) - (gnus-summary-recenter) - (gnus-summary-position-point) - n)) - -(defun gnus-summary-unmark-as-processable (n) - "Remove the process mark from the next N articles. -If N is negative, mark backward instead. The difference between N and -the actual number of articles marked is returned." - (interactive "p") - (gnus-set-global-variables) - (gnus-summary-mark-as-processable n t)) - -(defun gnus-summary-unmark-all-processable () - "Remove the process mark from all articles." - (interactive) - (gnus-set-global-variables) - (save-excursion - (while gnus-newsgroup-processable - (gnus-summary-remove-process-mark (car gnus-newsgroup-processable)))) - (gnus-summary-position-point)) - -(defun gnus-summary-mark-as-expirable (n) - "Mark N articles forward as expirable. -If N is negative, mark backward instead. The difference between N and -the actual number of articles marked is returned." - (interactive "p") - (gnus-set-global-variables) - (gnus-summary-mark-forward n gnus-expirable-mark)) - -(defun gnus-summary-mark-article-as-replied (article) - "Mark ARTICLE replied and update the summary line." - (setq gnus-newsgroup-replied (cons article gnus-newsgroup-replied)) - (let ((buffer-read-only nil)) - (when (gnus-summary-goto-subject article) - (gnus-summary-update-secondary-mark article)))) - -(defun gnus-summary-set-bookmark (article) - "Set a bookmark in current article." - (interactive (list (gnus-summary-article-number))) - (gnus-set-global-variables) - (if (or (not (get-buffer gnus-article-buffer)) - (not gnus-current-article) - (not gnus-article-current) - (not (equal gnus-newsgroup-name (car gnus-article-current)))) - (error "No current article selected")) - ;; Remove old bookmark, if one exists. - (let ((old (assq article gnus-newsgroup-bookmarks))) - (if old (setq gnus-newsgroup-bookmarks - (delq old gnus-newsgroup-bookmarks)))) - ;; Set the new bookmark, which is on the form - ;; (article-number . line-number-in-body). - (setq gnus-newsgroup-bookmarks - (cons - (cons article - (save-excursion - (set-buffer gnus-article-buffer) - (count-lines - (min (point) - (save-excursion - (goto-char (point-min)) - (search-forward "\n\n" nil t) - (point))) - (point)))) - gnus-newsgroup-bookmarks)) - (gnus-message 6 "A bookmark has been added to the current article.")) - -(defun gnus-summary-remove-bookmark (article) - "Remove the bookmark from the current article." - (interactive (list (gnus-summary-article-number))) - (gnus-set-global-variables) - ;; Remove old bookmark, if one exists. - (let ((old (assq article gnus-newsgroup-bookmarks))) - (if old - (progn - (setq gnus-newsgroup-bookmarks - (delq old gnus-newsgroup-bookmarks)) - (gnus-message 6 "Removed bookmark.")) - (gnus-message 6 "No bookmark in current article.")))) - -;; Suggested by Daniel Quinlan <quinlan@best.com>. -(defun gnus-summary-mark-as-dormant (n) - "Mark N articles forward as dormant. -If N is negative, mark backward instead. The difference between N and -the actual number of articles marked is returned." - (interactive "p") - (gnus-set-global-variables) - (gnus-summary-mark-forward n gnus-dormant-mark)) - -(defun gnus-summary-set-process-mark (article) - "Set the process mark on ARTICLE and update the summary line." - (setq gnus-newsgroup-processable - (cons article - (delq article gnus-newsgroup-processable))) - (when (gnus-summary-goto-subject article) - (gnus-summary-show-thread) - (gnus-summary-update-secondary-mark article))) - -(defun gnus-summary-remove-process-mark (article) - "Remove the process mark from ARTICLE and update the summary line." - (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable)) - (when (gnus-summary-goto-subject article) - (gnus-summary-show-thread) - (gnus-summary-update-secondary-mark article))) - -(defun gnus-summary-set-saved-mark (article) - "Set the process mark on ARTICLE and update the summary line." - (push article gnus-newsgroup-saved) - (when (gnus-summary-goto-subject article) - (gnus-summary-update-secondary-mark article))) - -(defun gnus-summary-mark-forward (n &optional mark no-expire) - "Mark N articles as read forwards. -If N is negative, mark backwards instead. Mark with MARK, ?r by default. -The difference between N and the actual number of articles marked is -returned." - (interactive "p") - (gnus-set-global-variables) - (let ((backward (< n 0)) - (gnus-summary-goto-unread - (and gnus-summary-goto-unread - (not (eq gnus-summary-goto-unread 'never)) - (not (memq mark (list gnus-unread-mark - gnus-ticked-mark gnus-dormant-mark))))) - (n (abs n)) - (mark (or mark gnus-del-mark))) - (while (and (> n 0) - (gnus-summary-mark-article nil mark no-expire) - (zerop (gnus-summary-next-subject - (if backward -1 1) - (and gnus-summary-goto-unread - (not (eq gnus-summary-goto-unread 'never))) - t))) - (setq n (1- n))) - (if (/= 0 n) (gnus-message 7 "No more %sarticles" (if mark "" "unread "))) - (gnus-summary-recenter) - (gnus-summary-position-point) - (gnus-set-mode-line 'summary) - n)) - -(defun gnus-summary-mark-article-as-read (mark) - "Mark the current article quickly as read with MARK." - (let ((article (gnus-summary-article-number))) - (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads)) - (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)) - (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)) - (setq gnus-newsgroup-reads - (cons (cons article mark) gnus-newsgroup-reads)) - ;; Possibly remove from cache, if that is used. - (and gnus-use-cache (gnus-cache-enter-remove-article article)) - ;; Allow the backend to change the mark. - (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark)) - ;; Check for auto-expiry. - (when (and gnus-newsgroup-auto-expire - (or (= mark gnus-killed-mark) (= mark gnus-del-mark) - (= mark gnus-catchup-mark) (= mark gnus-low-score-mark) - (= mark gnus-ancient-mark) - (= mark gnus-read-mark) (= mark gnus-souped-mark))) - (setq mark gnus-expirable-mark) - (push article gnus-newsgroup-expirable)) - ;; Set the mark in the buffer. - (gnus-summary-update-mark mark 'unread) - t)) - -(defun gnus-summary-mark-article-as-unread (mark) - "Mark the current article quickly as unread with MARK." - (let ((article (gnus-summary-article-number))) - (if (< article 0) - (gnus-error 1 "Unmarkable article") - (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)) - (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)) - (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)) - (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads)) - (cond ((= mark gnus-ticked-mark) - (push article gnus-newsgroup-marked)) - ((= mark gnus-dormant-mark) - (push article gnus-newsgroup-dormant)) - (t - (push article gnus-newsgroup-unreads))) - (setq gnus-newsgroup-reads - (delq (assq article gnus-newsgroup-reads) - gnus-newsgroup-reads)) - - ;; See whether the article is to be put in the cache. - (and gnus-use-cache - (vectorp (gnus-summary-article-header article)) - (save-excursion - (gnus-cache-possibly-enter-article - gnus-newsgroup-name article - (gnus-summary-article-header article) - (= mark gnus-ticked-mark) - (= mark gnus-dormant-mark) (= mark gnus-unread-mark)))) - - ;; Fix the mark. - (gnus-summary-update-mark mark 'unread)) - t)) - -(defun gnus-summary-mark-article (&optional article mark no-expire) - "Mark ARTICLE with MARK. MARK can be any character. -Four MARK strings are reserved: `? ' (unread), `?!' (ticked), -`??' (dormant) and `?E' (expirable). -If MARK is nil, then the default character `?D' is used. -If ARTICLE is nil, then the article on the current line will be -marked." - ;; The mark might be a string. - (and (stringp mark) - (setq mark (aref mark 0))) - ;; If no mark is given, then we check auto-expiring. - (and (not no-expire) - gnus-newsgroup-auto-expire - (or (not mark) - (and (numberp mark) - (or (= mark gnus-killed-mark) (= mark gnus-del-mark) - (= mark gnus-catchup-mark) (= mark gnus-low-score-mark) - (= mark gnus-read-mark) (= mark gnus-souped-mark)))) - (setq mark gnus-expirable-mark)) - (let* ((mark (or mark gnus-del-mark)) - (article (or article (gnus-summary-article-number)))) - (or article (error "No article on current line")) - (if (or (= mark gnus-unread-mark) - (= mark gnus-ticked-mark) - (= mark gnus-dormant-mark)) - (gnus-mark-article-as-unread article mark) - (gnus-mark-article-as-read article mark)) - - ;; See whether the article is to be put in the cache. - (and gnus-use-cache - (not (= mark gnus-canceled-mark)) - (vectorp (gnus-summary-article-header article)) - (save-excursion - (gnus-cache-possibly-enter-article - gnus-newsgroup-name article - (gnus-summary-article-header article) - (= mark gnus-ticked-mark) - (= mark gnus-dormant-mark) (= mark gnus-unread-mark)))) - - (if (gnus-summary-goto-subject article nil t) - (let ((buffer-read-only nil)) - (gnus-summary-show-thread) - ;; Fix the mark. - (gnus-summary-update-mark mark 'unread) - t)))) - -(defun gnus-summary-update-secondary-mark (article) - "Update the secondary (read, process, cache) mark." - (gnus-summary-update-mark - (cond ((memq article gnus-newsgroup-processable) - gnus-process-mark) - ((memq article gnus-newsgroup-cached) - gnus-cached-mark) - ((memq article gnus-newsgroup-replied) - gnus-replied-mark) - ((memq article gnus-newsgroup-saved) - gnus-saved-mark) - (t gnus-unread-mark)) - 'replied) - (when (gnus-visual-p 'summary-highlight 'highlight) - (run-hooks 'gnus-summary-update-hook)) - t) - -(defun gnus-summary-update-mark (mark type) - (beginning-of-line) - (let ((forward (cdr (assq type gnus-summary-mark-positions))) - (buffer-read-only nil)) - (when (and forward - (<= (+ forward (point)) (point-max))) - ;; Go to the right position on the line. - (goto-char (+ forward (point))) - ;; Replace the old mark with the new mark. - (subst-char-in-region (point) (1+ (point)) (following-char) mark) - ;; Optionally update the marks by some user rule. - (when (eq type 'unread) - (gnus-data-set-mark - (gnus-data-find (gnus-summary-article-number)) mark) - (gnus-summary-update-line (eq mark gnus-unread-mark)))))) - -(defun gnus-mark-article-as-read (article &optional mark) - "Enter ARTICLE in the pertinent lists and remove it from others." - ;; Make the article expirable. - (let ((mark (or mark gnus-del-mark))) - (if (= mark gnus-expirable-mark) - (setq gnus-newsgroup-expirable (cons article gnus-newsgroup-expirable)) - (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))) - ;; Remove from unread and marked lists. - (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads)) - (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)) - (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)) - (push (cons article mark) gnus-newsgroup-reads) - ;; Possibly remove from cache, if that is used. - (when gnus-use-cache - (gnus-cache-enter-remove-article article)))) - -(defun gnus-mark-article-as-unread (article &optional mark) - "Enter ARTICLE in the pertinent lists and remove it from others." - (let ((mark (or mark gnus-ticked-mark))) - (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)) - (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)) - (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)) - (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads)) - (cond ((= mark gnus-ticked-mark) - (push article gnus-newsgroup-marked)) - ((= mark gnus-dormant-mark) - (push article gnus-newsgroup-dormant)) - (t - (push article gnus-newsgroup-unreads))) - (setq gnus-newsgroup-reads - (delq (assq article gnus-newsgroup-reads) - gnus-newsgroup-reads)))) - -(defalias 'gnus-summary-mark-as-unread-forward - 'gnus-summary-tick-article-forward) -(make-obsolete 'gnus-summary-mark-as-unread-forward - 'gnus-summary-tick-article-forward) -(defun gnus-summary-tick-article-forward (n) - "Tick N articles forwards. -If N is negative, tick backwards instead. -The difference between N and the number of articles ticked is returned." - (interactive "p") - (gnus-summary-mark-forward n gnus-ticked-mark)) - -(defalias 'gnus-summary-mark-as-unread-backward - 'gnus-summary-tick-article-backward) -(make-obsolete 'gnus-summary-mark-as-unread-backward - 'gnus-summary-tick-article-backward) -(defun gnus-summary-tick-article-backward (n) - "Tick N articles backwards. -The difference between N and the number of articles ticked is returned." - (interactive "p") - (gnus-summary-mark-forward (- n) gnus-ticked-mark)) - -(defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article) -(make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article) -(defun gnus-summary-tick-article (&optional article clear-mark) - "Mark current article as unread. -Optional 1st argument ARTICLE specifies article number to be marked as unread. -Optional 2nd argument CLEAR-MARK remove any kinds of mark." - (interactive) - (gnus-summary-mark-article article (if clear-mark gnus-unread-mark - gnus-ticked-mark))) - -(defun gnus-summary-mark-as-read-forward (n) - "Mark N articles as read forwards. -If N is negative, mark backwards instead. -The difference between N and the actual number of articles marked is -returned." - (interactive "p") - (gnus-summary-mark-forward n gnus-del-mark t)) - -(defun gnus-summary-mark-as-read-backward (n) - "Mark the N articles as read backwards. -The difference between N and the actual number of articles marked is -returned." - (interactive "p") - (gnus-summary-mark-forward (- n) gnus-del-mark t)) - -(defun gnus-summary-mark-as-read (&optional article mark) - "Mark current article as read. -ARTICLE specifies the article to be marked as read. -MARK specifies a string to be inserted at the beginning of the line." - (gnus-summary-mark-article article mark)) - -(defun gnus-summary-clear-mark-forward (n) - "Clear marks from N articles forward. -If N is negative, clear backward instead. -The difference between N and the number of marks cleared is returned." - (interactive "p") - (gnus-summary-mark-forward n gnus-unread-mark)) - -(defun gnus-summary-clear-mark-backward (n) - "Clear marks from N articles backward. -The difference between N and the number of marks cleared is returned." - (interactive "p") - (gnus-summary-mark-forward (- n) gnus-unread-mark)) - -(defun gnus-summary-mark-unread-as-read () - "Intended to be used by `gnus-summary-mark-article-hook'." - (when (memq gnus-current-article gnus-newsgroup-unreads) - (gnus-summary-mark-article gnus-current-article gnus-read-mark))) - -(defun gnus-summary-mark-read-and-unread-as-read () - "Intended to be used by `gnus-summary-mark-article-hook'." - (let ((mark (gnus-summary-article-mark))) - (when (or (gnus-unread-mark-p mark) - (gnus-read-mark-p mark)) - (gnus-summary-mark-article gnus-current-article gnus-read-mark)))) - -(defun gnus-summary-mark-region-as-read (point mark all) - "Mark all unread articles between point and mark as read. -If given a prefix, mark all articles between point and mark as read, -even ticked and dormant ones." - (interactive "r\nP") - (save-excursion - (let (article) - (goto-char point) - (beginning-of-line) - (while (and - (< (point) mark) - (progn - (when (or all - (memq (setq article (gnus-summary-article-number)) - gnus-newsgroup-unreads)) - (gnus-summary-mark-article article gnus-del-mark)) - t) - (gnus-summary-find-next)))))) - -(defun gnus-summary-mark-below (score mark) - "Mark articles with score less than SCORE with MARK." - (interactive "P\ncMark: ") - (gnus-set-global-variables) - (setq score (if score - (prefix-numeric-value score) - (or gnus-summary-default-score 0))) - (save-excursion - (set-buffer gnus-summary-buffer) - (goto-char (point-min)) - (while - (progn - (and (< (gnus-summary-article-score) score) - (gnus-summary-mark-article nil mark)) - (gnus-summary-find-next))))) - -(defun gnus-summary-kill-below (&optional score) - "Mark articles with score below SCORE as read." - (interactive "P") - (gnus-set-global-variables) - (gnus-summary-mark-below score gnus-killed-mark)) - -(defun gnus-summary-clear-above (&optional score) - "Clear all marks from articles with score above SCORE." - (interactive "P") - (gnus-set-global-variables) - (gnus-summary-mark-above score gnus-unread-mark)) - -(defun gnus-summary-tick-above (&optional score) - "Tick all articles with score above SCORE." - (interactive "P") - (gnus-set-global-variables) - (gnus-summary-mark-above score gnus-ticked-mark)) - -(defun gnus-summary-mark-above (score mark) - "Mark articles with score over SCORE with MARK." - (interactive "P\ncMark: ") - (gnus-set-global-variables) - (setq score (if score - (prefix-numeric-value score) - (or gnus-summary-default-score 0))) - (save-excursion - (set-buffer gnus-summary-buffer) - (goto-char (point-min)) - (while (and (progn - (if (> (gnus-summary-article-score) score) - (gnus-summary-mark-article nil mark)) - t) - (gnus-summary-find-next))))) - -;; Suggested by Daniel Quinlan <quinlan@best.com>. -(defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged) -(defun gnus-summary-limit-include-expunged () - "Display all the hidden articles that were expunged for low scores." - (interactive) - (gnus-set-global-variables) - (let ((buffer-read-only nil)) - (let ((scored gnus-newsgroup-scored) - headers h) - (while scored - (or (gnus-summary-goto-subject (caar scored)) - (and (setq h (gnus-summary-article-header (caar scored))) - (< (cdar scored) gnus-summary-expunge-below) - (setq headers (cons h headers)))) - (setq scored (cdr scored))) - (or headers (error "No expunged articles hidden.")) - (goto-char (point-min)) - (gnus-summary-prepare-unthreaded (nreverse headers))) - (goto-char (point-min)) - (gnus-summary-position-point))) - -(defun gnus-summary-catchup (&optional all quietly to-here not-mark) - "Mark all articles not marked as unread in this newsgroup as read. -If prefix argument ALL is non-nil, all articles are marked as read. -If QUIETLY is non-nil, no questions will be asked. -If TO-HERE is non-nil, it should be a point in the buffer. All -articles before this point will be marked as read. -The number of articles marked as read is returned." - (interactive "P") - (gnus-set-global-variables) - (prog1 - (if (or quietly - (not gnus-interactive-catchup) ;Without confirmation? - gnus-expert-user - (gnus-y-or-n-p - (if all - "Mark absolutely all articles as read? " - "Mark all unread articles as read? "))) - (if (and not-mark - (not gnus-newsgroup-adaptive) - (not gnus-newsgroup-auto-expire)) - (progn - (when all - (setq gnus-newsgroup-marked nil - gnus-newsgroup-dormant nil)) - (setq gnus-newsgroup-unreads nil)) - ;; We actually mark all articles as canceled, which we - ;; have to do when using auto-expiry or adaptive scoring. - (gnus-summary-show-all-threads) - (if (gnus-summary-first-subject (not all)) - (while (and - (if to-here (< (point) to-here) t) - (gnus-summary-mark-article-as-read gnus-catchup-mark) - (gnus-summary-find-next (not all))))) - (unless to-here - (setq gnus-newsgroup-unreads nil)) - (gnus-set-mode-line 'summary))) - (let ((method (gnus-find-method-for-group gnus-newsgroup-name))) - (if (and (not to-here) (eq 'nnvirtual (car method))) - (nnvirtual-catchup-group - (gnus-group-real-name gnus-newsgroup-name) (nth 1 method) all))) - (gnus-summary-position-point))) - -(defun gnus-summary-catchup-to-here (&optional all) - "Mark all unticked articles before the current one as read. -If ALL is non-nil, also mark ticked and dormant articles as read." - (interactive "P") - (gnus-set-global-variables) - (save-excursion - (gnus-save-hidden-threads - (let ((beg (point))) - ;; We check that there are unread articles. - (when (or all (gnus-summary-find-prev)) - (gnus-summary-catchup all t beg))))) - (gnus-summary-position-point)) - -(defun gnus-summary-catchup-all (&optional quietly) - "Mark all articles in this newsgroup as read." - (interactive "P") - (gnus-set-global-variables) - (gnus-summary-catchup t quietly)) - -(defun gnus-summary-catchup-and-exit (&optional all quietly) - "Mark all articles not marked as unread in this newsgroup as read, then exit. -If prefix argument ALL is non-nil, all articles are marked as read." - (interactive "P") - (gnus-set-global-variables) - (gnus-summary-catchup all quietly nil 'fast) - ;; Select next newsgroup or exit. - (if (eq gnus-auto-select-next 'quietly) - (gnus-summary-next-group nil) - (gnus-summary-exit))) - -(defun gnus-summary-catchup-all-and-exit (&optional quietly) - "Mark all articles in this newsgroup as read, and then exit." - (interactive "P") - (gnus-set-global-variables) - (gnus-summary-catchup-and-exit t quietly)) - -;; Suggested by "Arne Eofsson" <arne@hodgkin.mbi.ucla.edu>. -(defun gnus-summary-catchup-and-goto-next-group (&optional all) - "Mark all articles in this group as read and select the next group. -If given a prefix, mark all articles, unread as well as ticked, as -read." - (interactive "P") - (gnus-set-global-variables) - (save-excursion - (gnus-summary-catchup all)) - (gnus-summary-next-article t nil nil t)) - -;; Thread-based commands. - -(defun gnus-summary-articles-in-thread (&optional article) - "Return a list of all articles in the current thread. -If ARTICLE is non-nil, return all articles in the thread that starts -with that article." - (let* ((article (or article (gnus-summary-article-number))) - (data (gnus-data-find-list article)) - (top-level (gnus-data-level (car data))) - (top-subject - (cond ((null gnus-thread-operation-ignore-subject) - (gnus-simplify-subject-re - (mail-header-subject (gnus-data-header (car data))))) - ((eq gnus-thread-operation-ignore-subject 'fuzzy) - (gnus-simplify-subject-fuzzy - (mail-header-subject (gnus-data-header (car data))))) - (t nil))) - (end-point (save-excursion - (if (gnus-summary-go-to-next-thread) - (point) (point-max)))) - articles) - (while (and data - (< (gnus-data-pos (car data)) end-point)) - (when (or (not top-subject) - (string= top-subject - (if (eq gnus-thread-operation-ignore-subject 'fuzzy) - (gnus-simplify-subject-fuzzy - (mail-header-subject - (gnus-data-header (car data)))) - (gnus-simplify-subject-re - (mail-header-subject - (gnus-data-header (car data))))))) - (push (gnus-data-number (car data)) articles)) - (unless (and (setq data (cdr data)) - (> (gnus-data-level (car data)) top-level)) - (setq data nil))) - ;; Return the list of articles. - (nreverse articles))) - -(defun gnus-summary-rethread-current () - "Rethread the thread the current article is part of." - (interactive) - (gnus-set-global-variables) - (let* ((gnus-show-threads t) - (article (gnus-summary-article-number)) - (id (mail-header-id (gnus-summary-article-header))) - (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id))))) - (unless id - (error "No article on the current line")) - (gnus-rebuild-thread id) - (gnus-summary-goto-subject article))) - -(defun gnus-summary-reparent-thread () - "Make current article child of the marked (or previous) article. - -Note that the re-threading will only work if `gnus-thread-ignore-subject' -is non-nil or the Subject: of both articles are the same." - (interactive) - (or (not (gnus-group-read-only-p)) - (error "The current newsgroup does not support article editing.")) - (or (<= (length gnus-newsgroup-processable) 1) - (error "No more than one article may be marked.")) - (save-window-excursion - (let ((gnus-article-buffer " *reparent*") - (current-article (gnus-summary-article-number)) - ; first grab the marked article, otherwise one line up. - (parent-article (if (not (null gnus-newsgroup-processable)) - (car gnus-newsgroup-processable) - (save-excursion - (if (eq (forward-line -1) 0) - (gnus-summary-article-number) - (error "Beginning of summary buffer.")))))) - (or (not (eq current-article parent-article)) - (error "An article may not be self-referential.")) - (let ((message-id (mail-header-id - (gnus-summary-article-header parent-article)))) - (or (and message-id (not (equal message-id ""))) - (error "No message-id in desired parent.")) - (gnus-summary-select-article t t nil current-article) - (set-buffer gnus-article-buffer) - (setq buffer-read-only nil) - (let ((buf (format "%s" (buffer-string)))) - (erase-buffer) - (insert buf)) - (goto-char (point-min)) - (if (search-forward-regexp "^References: " nil t) - (insert message-id " " ) - (insert "References: " message-id "\n")) - (or (gnus-request-replace-article current-article - (car gnus-article-current) - gnus-article-buffer) - (error "Couldn't replace article.")) - (set-buffer gnus-summary-buffer) - (gnus-summary-unmark-all-processable) - (gnus-summary-rethread-current) - (gnus-message 3 "Article %d is now the child of article %d." - current-article parent-article))))) - -(defun gnus-summary-toggle-threads (&optional arg) - "Toggle showing conversation threads. -If ARG is positive number, turn showing conversation threads on." - (interactive "P") - (gnus-set-global-variables) - (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end))) - (setq gnus-show-threads - (if (null arg) (not gnus-show-threads) - (> (prefix-numeric-value arg) 0))) - (gnus-summary-prepare) - (gnus-summary-goto-subject current) - (gnus-summary-position-point))) - -(defun gnus-summary-show-all-threads () - "Show all threads." - (interactive) - (gnus-set-global-variables) - (save-excursion - (let ((buffer-read-only nil)) - (subst-char-in-region (point-min) (point-max) ?\^M ?\n t))) - (gnus-summary-position-point)) - -(defun gnus-summary-show-thread () - "Show thread subtrees. -Returns nil if no thread was there to be shown." - (interactive) - (gnus-set-global-variables) - (let ((buffer-read-only nil) - (orig (point)) - ;; first goto end then to beg, to have point at beg after let - (end (progn (end-of-line) (point))) - (beg (progn (beginning-of-line) (point)))) - (prog1 - ;; Any hidden lines here? - (search-forward "\r" end t) - (subst-char-in-region beg end ?\^M ?\n t) - (goto-char orig) - (gnus-summary-position-point)))) - -(defun gnus-summary-hide-all-threads () - "Hide all thread subtrees." - (interactive) - (gnus-set-global-variables) - (save-excursion - (goto-char (point-min)) - (gnus-summary-hide-thread) - (while (zerop (gnus-summary-next-thread 1 t)) - (gnus-summary-hide-thread))) - (gnus-summary-position-point)) - -(defun gnus-summary-hide-thread () - "Hide thread subtrees. -Returns nil if no threads were there to be hidden." - (interactive) - (gnus-set-global-variables) - (let ((buffer-read-only nil) - (start (point)) - (article (gnus-summary-article-number))) - (goto-char start) - ;; Go forward until either the buffer ends or the subthread - ;; ends. - (when (and (not (eobp)) - (or (zerop (gnus-summary-next-thread 1 t)) - (goto-char (point-max)))) - (prog1 - (if (and (> (point) start) - (search-backward "\n" start t)) - (progn - (subst-char-in-region start (point) ?\n ?\^M) - (gnus-summary-goto-subject article)) - (goto-char start) - nil) - ;;(gnus-summary-position-point) - )))) - -(defun gnus-summary-go-to-next-thread (&optional previous) - "Go to the same level (or less) next thread. -If PREVIOUS is non-nil, go to previous thread instead. -Return the article number moved to, or nil if moving was impossible." - (let ((level (gnus-summary-thread-level)) - (way (if previous -1 1)) - (beg (point))) - (forward-line way) - (while (and (not (eobp)) - (< level (gnus-summary-thread-level))) - (forward-line way)) - (if (eobp) - (progn - (goto-char beg) - nil) - (setq beg (point)) - (prog1 - (gnus-summary-article-number) - (goto-char beg))))) - -(defun gnus-summary-go-to-next-thread-old (&optional previous) - "Go to the same level (or less) next thread. -If PREVIOUS is non-nil, go to previous thread instead. -Return the article number moved to, or nil if moving was impossible." - (if (and (eq gnus-summary-make-false-root 'dummy) - (gnus-summary-article-intangible-p)) - (let ((beg (point))) - (while (and (zerop (forward-line 1)) - (not (gnus-summary-article-intangible-p)) - (not (zerop (save-excursion - (gnus-summary-thread-level)))))) - (if (eobp) - (progn - (goto-char beg) - nil) - (point))) - (let* ((level (gnus-summary-thread-level)) - (article (gnus-summary-article-number)) - (data (cdr (gnus-data-find-list article (gnus-data-list previous)))) - oart) - (while data - (if (<= (gnus-data-level (car data)) level) - (setq oart (gnus-data-number (car data)) - data nil) - (setq data (cdr data)))) - (and oart - (gnus-summary-goto-subject oart))))) - -(defun gnus-summary-next-thread (n &optional silent) - "Go to the same level next N'th thread. -If N is negative, search backward instead. -Returns the difference between N and the number of skips actually -done. - -If SILENT, don't output messages." - (interactive "p") - (gnus-set-global-variables) - (let ((backward (< n 0)) - (n (abs n)) - old dum int) - (while (and (> n 0) - (gnus-summary-go-to-next-thread backward)) - (decf n)) - (unless silent - (gnus-summary-position-point)) - (when (and (not silent) (/= 0 n)) - (gnus-message 7 "No more threads")) - n)) - -(defun gnus-summary-prev-thread (n) - "Go to the same level previous N'th thread. -Returns the difference between N and the number of skips actually -done." - (interactive "p") - (gnus-set-global-variables) - (gnus-summary-next-thread (- n))) - -(defun gnus-summary-go-down-thread () - "Go down one level in the current thread." - (let ((children (gnus-summary-article-children))) - (and children - (gnus-summary-goto-subject (car children))))) - -(defun gnus-summary-go-up-thread () - "Go up one level in the current thread." - (let ((parent (gnus-summary-article-parent))) - (and parent - (gnus-summary-goto-subject parent)))) - -(defun gnus-summary-down-thread (n) - "Go down thread N steps. -If N is negative, go up instead. -Returns the difference between N and how many steps down that were -taken." - (interactive "p") - (gnus-set-global-variables) - (let ((up (< n 0)) - (n (abs n))) - (while (and (> n 0) - (if up (gnus-summary-go-up-thread) - (gnus-summary-go-down-thread))) - (setq n (1- n))) - (gnus-summary-position-point) - (if (/= 0 n) (gnus-message 7 "Can't go further")) - n)) - -(defun gnus-summary-up-thread (n) - "Go up thread N steps. -If N is negative, go up instead. -Returns the difference between N and how many steps down that were -taken." - (interactive "p") - (gnus-set-global-variables) - (gnus-summary-down-thread (- n))) - -(defun gnus-summary-top-thread () - "Go to the top of the thread." - (interactive) - (gnus-set-global-variables) - (while (gnus-summary-go-up-thread)) - (gnus-summary-article-number)) - -(defun gnus-summary-kill-thread (&optional unmark) - "Mark articles under current thread as read. -If the prefix argument is positive, remove any kinds of marks. -If the prefix argument is negative, tick articles instead." - (interactive "P") - (gnus-set-global-variables) - (when unmark - (setq unmark (prefix-numeric-value unmark))) - (let ((articles (gnus-summary-articles-in-thread))) - (save-excursion - ;; Expand the thread. - (gnus-summary-show-thread) - ;; Mark all the articles. - (while articles - (gnus-summary-goto-subject (car articles)) - (cond ((null unmark) - (gnus-summary-mark-article-as-read gnus-killed-mark)) - ((> unmark 0) - (gnus-summary-mark-article-as-unread gnus-unread-mark)) - (t - (gnus-summary-mark-article-as-unread gnus-ticked-mark))) - (setq articles (cdr articles)))) - ;; Hide killed subtrees. - (and (null unmark) - gnus-thread-hide-killed - (gnus-summary-hide-thread)) - ;; If marked as read, go to next unread subject. - (if (null unmark) - ;; Go to next unread subject. - (gnus-summary-next-subject 1 t))) - (gnus-set-mode-line 'summary)) - -;; Summary sorting commands - -(defun gnus-summary-sort-by-number (&optional reverse) - "Sort summary buffer by article number. -Argument REVERSE means reverse order." - (interactive "P") - (gnus-summary-sort 'number reverse)) - -(defun gnus-summary-sort-by-author (&optional reverse) - "Sort summary buffer by author name alphabetically. -If case-fold-search is non-nil, case of letters is ignored. -Argument REVERSE means reverse order." - (interactive "P") - (gnus-summary-sort 'author reverse)) - -(defun gnus-summary-sort-by-subject (&optional reverse) - "Sort summary buffer by subject alphabetically. `Re:'s are ignored. -If case-fold-search is non-nil, case of letters is ignored. -Argument REVERSE means reverse order." - (interactive "P") - (gnus-summary-sort 'subject reverse)) - -(defun gnus-summary-sort-by-date (&optional reverse) - "Sort summary buffer by date. -Argument REVERSE means reverse order." - (interactive "P") - (gnus-summary-sort 'date reverse)) - -(defun gnus-summary-sort-by-score (&optional reverse) - "Sort summary buffer by score. -Argument REVERSE means reverse order." - (interactive "P") - (gnus-summary-sort 'score reverse)) - -(defun gnus-summary-sort (predicate reverse) - "Sort summary buffer by PREDICATE. REVERSE means reverse order." - (gnus-set-global-variables) - (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate))) - (article (intern (format "gnus-article-sort-by-%s" predicate))) - (gnus-thread-sort-functions - (list - (if (not reverse) - thread - `(lambda (t1 t2) - (,thread t2 t1))))) - (gnus-article-sort-functions - (list - (if (not reverse) - article - `(lambda (t1 t2) - (,article t2 t1))))) - (buffer-read-only) - (gnus-summary-prepare-hook nil)) - ;; We do the sorting by regenerating the threads. - (gnus-summary-prepare) - ;; Hide subthreads if needed. - (when (and gnus-show-threads gnus-thread-hide-subtree) - (gnus-summary-hide-all-threads))) - ;; If in async mode, we send some info to the backend. - (when gnus-newsgroup-async - (gnus-request-asynchronous - gnus-newsgroup-name gnus-newsgroup-data))) - -(defun gnus-sortable-date (date) - "Make sortable string by string-lessp from DATE. -Timezone package is used." - (condition-case () - (progn - (setq date (inline (timezone-fix-time - date nil - (aref (inline (timezone-parse-date date)) 4)))) - (inline - (timezone-make-sortable-date - (aref date 0) (aref date 1) (aref date 2) - (inline - (timezone-make-time-string - (aref date 3) (aref date 4) (aref date 5)))))) - (error ""))) - -;; Summary saving commands. - -(defun gnus-summary-save-article (&optional n not-saved) - "Save the current article using the default saver function. -If N is a positive number, save the N next articles. -If N is a negative number, save the N previous articles. -If N is nil and any articles have been marked with the process mark, -save those articles instead. -The variable `gnus-default-article-saver' specifies the saver function." - (interactive "P") - (gnus-set-global-variables) - (let ((articles (gnus-summary-work-articles n)) - (save-buffer (save-excursion - (nnheader-set-temp-buffer " *Gnus Save*"))) - file header article) - (while articles - (setq header (gnus-summary-article-header - (setq article (pop articles)))) - (if (not (vectorp header)) - ;; This is a pseudo-article. - (if (assq 'name header) - (gnus-copy-file (cdr (assq 'name header))) - (gnus-message 1 "Article %d is unsaveable" article)) - ;; This is a real article. - (save-window-excursion - (gnus-summary-select-article t nil nil article)) - (save-excursion - (set-buffer save-buffer) - (erase-buffer) - (insert-buffer-substring gnus-original-article-buffer)) - (unless gnus-save-all-headers - ;; Remove headers accoring to `gnus-saved-headers'. - (let ((gnus-visible-headers - (or gnus-saved-headers gnus-visible-headers)) - (gnus-article-buffer save-buffer)) - (gnus-article-hide-headers 1 t))) - (save-window-excursion - (if (not gnus-default-article-saver) - (error "No default saver is defined.") - ;; !!! Magic! The saving functions all save - ;; `gnus-original-article-buffer' (or so they think), - ;; but we bind that variable to our save-buffer. - (set-buffer gnus-article-buffer) - (let ((gnus-original-article-buffer save-buffer)) - (set-buffer gnus-summary-buffer) - (setq file (funcall - gnus-default-article-saver - (cond - ((not gnus-prompt-before-saving) - 'default) - ((eq gnus-prompt-before-saving 'always) - nil) - (t file))))))) - (gnus-summary-remove-process-mark article) - (unless not-saved - (gnus-summary-set-saved-mark article)))) - (gnus-kill-buffer save-buffer) - (gnus-summary-position-point) - n)) - -(defun gnus-summary-pipe-output (&optional arg) - "Pipe the current article to a subprocess. -If N is a positive number, pipe the N next articles. -If N is a negative number, pipe the N previous articles. -If N is nil and any articles have been marked with the process mark, -pipe those articles instead." - (interactive "P") - (gnus-set-global-variables) - (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe)) - (gnus-summary-save-article arg t)) - (gnus-configure-windows 'pipe)) - -(defun gnus-summary-save-article-mail (&optional arg) - "Append the current article to an mail file. -If N is a positive number, save the N next articles. -If N is a negative number, save the N previous articles. -If N is nil and any articles have been marked with the process mark, -save those articles instead." - (interactive "P") - (gnus-set-global-variables) - (let ((gnus-default-article-saver 'gnus-summary-save-in-mail)) - (gnus-summary-save-article arg))) - -(defun gnus-summary-save-article-rmail (&optional arg) - "Append the current article to an rmail file. -If N is a positive number, save the N next articles. -If N is a negative number, save the N previous articles. -If N is nil and any articles have been marked with the process mark, -save those articles instead." - (interactive "P") - (gnus-set-global-variables) - (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail)) - (gnus-summary-save-article arg))) - -(defun gnus-summary-save-article-file (&optional arg) - "Append the current article to a file. -If N is a positive number, save the N next articles. -If N is a negative number, save the N previous articles. -If N is nil and any articles have been marked with the process mark, -save those articles instead." - (interactive "P") - (gnus-set-global-variables) - (let ((gnus-default-article-saver 'gnus-summary-save-in-file)) - (gnus-summary-save-article arg))) - -(defun gnus-summary-save-article-body-file (&optional arg) - "Append the current article body to a file. -If N is a positive number, save the N next articles. -If N is a negative number, save the N previous articles. -If N is nil and any articles have been marked with the process mark, -save those articles instead." - (interactive "P") - (gnus-set-global-variables) - (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file)) - (gnus-summary-save-article arg))) - -(defun gnus-get-split-value (methods) - "Return a value based on the split METHODS." - (let (split-name method result match) - (when methods - (save-excursion - (set-buffer gnus-original-article-buffer) - (save-restriction - (nnheader-narrow-to-headers) - (while methods - (goto-char (point-min)) - (setq method (pop methods)) - (setq match (car method)) - (when (cond - ((stringp match) - ;; Regular expression. - (condition-case () - (re-search-forward match nil t) - (error nil))) - ((gnus-functionp match) - ;; Function. - (save-restriction - (widen) - (setq result (funcall match gnus-newsgroup-name)))) - ((consp match) - ;; Form. - (save-restriction - (widen) - (setq result (eval match))))) - (setq split-name (append (cdr method) split-name)) - (cond ((stringp result) - (push result split-name)) - ((consp result) - (setq split-name (append result split-name))))))))) - split-name)) - -(defun gnus-read-move-group-name (prompt default articles prefix) - "Read a group name." - (let* ((split-name (gnus-get-split-value gnus-move-split-methods)) - (minibuffer-confirm-incomplete nil) ; XEmacs - group-map - (dum (mapatoms - (lambda (g) - (and (boundp g) - (symbol-name g) - (memq 'respool - (assoc (symbol-name - (car (gnus-find-method-for-group - (symbol-name g)))) - gnus-valid-select-methods)) - (push (list (symbol-name g)) group-map))) - gnus-active-hashtb)) - (prom - (format "%s %s to:" - prompt - (if (> (length articles) 1) - (format "these %d articles" (length articles)) - "this article"))) - (to-newsgroup - (cond - ((null split-name) - (gnus-completing-read default prom - group-map nil nil prefix - 'gnus-group-history)) - ((= 1 (length split-name)) - (gnus-completing-read (car split-name) prom group-map - nil nil nil - 'gnus-group-history)) - (t - (gnus-completing-read nil prom - (mapcar (lambda (el) (list el)) - (nreverse split-name)) - nil nil nil - 'gnus-group-history))))) - (when to-newsgroup - (if (or (string= to-newsgroup "") - (string= to-newsgroup prefix)) - (setq to-newsgroup (or default ""))) - (or (gnus-active to-newsgroup) - (gnus-activate-group to-newsgroup) - (if (gnus-y-or-n-p (format "No such group: %s. Create it? " - to-newsgroup)) - (or (and (gnus-request-create-group - to-newsgroup (gnus-group-name-to-method to-newsgroup)) - (gnus-activate-group to-newsgroup nil nil - (gnus-group-name-to-method - to-newsgroup))) - (error "Couldn't create group %s" to-newsgroup))) - (error "No such group: %s" to-newsgroup))) - to-newsgroup)) - -(defun gnus-read-save-file-name (prompt default-name) - (let* ((split-name (gnus-get-split-value gnus-split-methods)) - (file - ;; Let the split methods have their say. - (cond - ;; No split name was found. - ((null split-name) - (read-file-name - (concat prompt " (default " - (file-name-nondirectory default-name) ") ") - (file-name-directory default-name) - default-name)) - ;; A single split name was found - ((= 1 (length split-name)) - (let* ((name (car split-name)) - (dir (cond ((file-directory-p name) - (file-name-as-directory name)) - ((file-exists-p name) name) - (t gnus-article-save-directory)))) - (read-file-name - (concat prompt " (default " name ") ") - dir name))) - ;; A list of splits was found. - (t - (setq split-name (nreverse split-name)) - (let (result) - (let ((file-name-history (nconc split-name file-name-history))) - (setq result - (read-file-name - (concat prompt " (`M-p' for defaults) ") - gnus-article-save-directory - (car split-name)))) - (car (push result file-name-history))))))) - ;; If we have read a directory, we append the default file name. - (when (file-directory-p file) - (setq file (concat (file-name-as-directory file) - (file-name-nondirectory default-name)))) - ;; Possibly translate some charaters. - (nnheader-translate-file-chars file))) - -(defun gnus-article-archive-name (group) - "Return the first instance of an \"Archive-name\" in the current buffer." - (let ((case-fold-search t)) - (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t) - (match-string 1)))) - -(defun gnus-summary-save-in-rmail (&optional filename) - "Append this article to Rmail file. -Optional argument FILENAME specifies file name. -Directory to save to is default to `gnus-article-save-directory'." - (interactive) - (gnus-set-global-variables) - (let ((default-name - (funcall gnus-rmail-save-name gnus-newsgroup-name - gnus-current-headers gnus-newsgroup-last-rmail))) - (setq filename - (cond ((eq filename 'default) - default-name) - (filename filename) - (t (gnus-read-save-file-name - "Save in rmail file:" default-name)))) - (gnus-make-directory (file-name-directory filename)) - (gnus-eval-in-buffer-window gnus-original-article-buffer - (save-excursion - (save-restriction - (widen) - (gnus-output-to-rmail filename)))) - ;; Remember the directory name to save articles - (setq gnus-newsgroup-last-rmail filename))) - -(defun gnus-summary-save-in-mail (&optional filename) - "Append this article to Unix mail file. -Optional argument FILENAME specifies file name. -Directory to save to is default to `gnus-article-save-directory'." - (interactive) - (gnus-set-global-variables) - (let ((default-name - (funcall gnus-mail-save-name gnus-newsgroup-name - gnus-current-headers gnus-newsgroup-last-mail))) - (setq filename - (cond ((eq filename 'default) - default-name) - (filename filename) - (t (gnus-read-save-file-name - "Save in Unix mail file:" default-name)))) - (setq filename - (expand-file-name filename - (and default-name - (file-name-directory default-name)))) - (gnus-make-directory (file-name-directory filename)) - (gnus-eval-in-buffer-window gnus-original-article-buffer - (save-excursion - (save-restriction - (widen) - (if (and (file-readable-p filename) (mail-file-babyl-p filename)) - (gnus-output-to-rmail filename) - (let ((mail-use-rfc822 t)) - (rmail-output filename 1 t t)))))) - ;; Remember the directory name to save articles. - (setq gnus-newsgroup-last-mail filename))) - -(defun gnus-summary-save-in-file (&optional filename) - "Append this article to file. -Optional argument FILENAME specifies file name. -Directory to save to is default to `gnus-article-save-directory'." - (interactive) - (gnus-set-global-variables) - (let ((default-name - (funcall gnus-file-save-name gnus-newsgroup-name - gnus-current-headers gnus-newsgroup-last-file))) - (setq filename - (cond ((eq filename 'default) - default-name) - (filename filename) - (t (gnus-read-save-file-name - "Save in file:" default-name)))) - (gnus-make-directory (file-name-directory filename)) - (gnus-eval-in-buffer-window gnus-original-article-buffer - (save-excursion - (save-restriction - (widen) - (gnus-output-to-file filename)))) - ;; Remember the directory name to save articles. - (setq gnus-newsgroup-last-file filename))) - -(defun gnus-summary-save-body-in-file (&optional filename) - "Append this article body to a file. -Optional argument FILENAME specifies file name. -The directory to save in defaults to `gnus-article-save-directory'." - (interactive) - (gnus-set-global-variables) - (let ((default-name - (funcall gnus-file-save-name gnus-newsgroup-name - gnus-current-headers gnus-newsgroup-last-file))) - (setq filename - (cond ((eq filename 'default) - default-name) - (filename filename) - (t (gnus-read-save-file-name - "Save body in file:" default-name)))) - (gnus-make-directory (file-name-directory filename)) - (gnus-eval-in-buffer-window gnus-original-article-buffer - (save-excursion - (save-restriction - (widen) - (goto-char (point-min)) - (and (search-forward "\n\n" nil t) - (narrow-to-region (point) (point-max))) - (gnus-output-to-file filename)))) - ;; Remember the directory name to save articles. - (setq gnus-newsgroup-last-file filename))) - -(defun gnus-summary-save-in-pipe (&optional command) - "Pipe this article to subprocess." - (interactive) - (gnus-set-global-variables) - (setq command - (cond ((eq command 'default) - gnus-last-shell-command) - (command command) - (t (read-string "Shell command on article: " - gnus-last-shell-command)))) - (if (string-equal command "") - (setq command gnus-last-shell-command)) - (gnus-eval-in-buffer-window gnus-article-buffer - (save-restriction - (widen) - (shell-command-on-region (point-min) (point-max) command nil))) - (setq gnus-last-shell-command command)) - -;; Summary extract commands - -(defun gnus-summary-insert-pseudos (pslist &optional not-view) - (let ((buffer-read-only nil) - (article (gnus-summary-article-number)) - after-article b e) - (or (gnus-summary-goto-subject article) - (error (format "No such article: %d" article))) - (gnus-summary-position-point) - ;; If all commands are to be bunched up on one line, we collect - ;; them here. - (if gnus-view-pseudos-separately - () - (let ((ps (setq pslist (sort pslist 'gnus-pseudos<))) - files action) - (while ps - (setq action (cdr (assq 'action (car ps)))) - (setq files (list (cdr (assq 'name (car ps))))) - (while (and ps (cdr ps) - (string= (or action "1") - (or (cdr (assq 'action (cadr ps))) "2"))) - (setq files (cons (cdr (assq 'name (cadr ps))) files)) - (setcdr ps (cddr ps))) - (if (not files) - () - (if (not (string-match "%s" action)) - (setq files (cons " " files))) - (setq files (cons " " files)) - (and (assq 'execute (car ps)) - (setcdr (assq 'execute (car ps)) - (funcall (if (string-match "%s" action) - 'format 'concat) - action - (mapconcat (lambda (f) f) files " "))))) - (setq ps (cdr ps))))) - (if (and gnus-view-pseudos (not not-view)) - (while pslist - (and (assq 'execute (car pslist)) - (gnus-execute-command (cdr (assq 'execute (car pslist))) - (eq gnus-view-pseudos 'not-confirm))) - (setq pslist (cdr pslist))) - (save-excursion - (while pslist - (setq after-article (or (cdr (assq 'article (car pslist))) - (gnus-summary-article-number))) - (gnus-summary-goto-subject after-article) - (forward-line 1) - (setq b (point)) - (insert " " (file-name-nondirectory - (cdr (assq 'name (car pslist)))) - ": " (or (cdr (assq 'execute (car pslist))) "") "\n") - (setq e (point)) - (forward-line -1) ; back to `b' - (gnus-add-text-properties - b (1- e) (list 'gnus-number gnus-reffed-article-number - gnus-mouse-face-prop gnus-mouse-face)) - (gnus-data-enter - after-article gnus-reffed-article-number - gnus-unread-mark b (car pslist) 0 (- e b)) - (push gnus-reffed-article-number gnus-newsgroup-unreads) - (setq gnus-reffed-article-number (1- gnus-reffed-article-number)) - (setq pslist (cdr pslist))))))) - -(defun gnus-pseudos< (p1 p2) - (let ((c1 (cdr (assq 'action p1))) - (c2 (cdr (assq 'action p2)))) - (and c1 c2 (string< c1 c2)))) - -(defun gnus-request-pseudo-article (props) - (cond ((assq 'execute props) - (gnus-execute-command (cdr (assq 'execute props))))) - (let ((gnus-current-article (gnus-summary-article-number))) - (run-hooks 'gnus-mark-article-hook))) - -(defun gnus-execute-command (command &optional automatic) - (save-excursion - (gnus-article-setup-buffer) - (set-buffer gnus-article-buffer) - (setq buffer-read-only nil) - (let ((command (if automatic command (read-string "Command: " command))) - ;; Just binding this here doesn't help, because there might - ;; be output from the process after exiting the scope of - ;; this `let'. - ;; (buffer-read-only nil) - ) - (erase-buffer) - (insert "$ " command "\n\n") - (if gnus-view-pseudo-asynchronously - (start-process "gnus-execute" nil shell-file-name - shell-command-switch command) - (call-process shell-file-name nil t nil - shell-command-switch command))))) - -(defun gnus-copy-file (file &optional to) - "Copy FILE to TO." - (interactive - (list (read-file-name "Copy file: " default-directory) - (read-file-name "Copy file to: " default-directory))) - (gnus-set-global-variables) - (or to (setq to (read-file-name "Copy file to: " default-directory))) - (and (file-directory-p to) - (setq to (concat (file-name-as-directory to) - (file-name-nondirectory file)))) - (copy-file file to)) - -;; Summary kill commands. - -(defun gnus-summary-edit-global-kill (article) - "Edit the \"global\" kill file." - (interactive (list (gnus-summary-article-number))) - (gnus-set-global-variables) - (gnus-group-edit-global-kill article)) - -(defun gnus-summary-edit-local-kill () - "Edit a local kill file applied to the current newsgroup." - (interactive) - (gnus-set-global-variables) - (setq gnus-current-headers (gnus-summary-article-header)) - (gnus-set-global-variables) - (gnus-group-edit-local-kill - (gnus-summary-article-number) gnus-newsgroup-name)) - - -;;; -;;; Gnus article mode -;;; - -(put 'gnus-article-mode 'mode-class 'special) - -(if gnus-article-mode-map - nil - (setq gnus-article-mode-map (make-keymap)) - (suppress-keymap gnus-article-mode-map) - - (gnus-define-keys gnus-article-mode-map - " " gnus-article-goto-next-page - "\177" gnus-article-goto-prev-page - [delete] gnus-article-goto-prev-page - "\C-c^" gnus-article-refer-article - "h" gnus-article-show-summary - "s" gnus-article-show-summary - "\C-c\C-m" gnus-article-mail - "?" gnus-article-describe-briefly - gnus-mouse-2 gnus-article-push-button - "\r" gnus-article-press-button - "\t" gnus-article-next-button - "\M-\t" gnus-article-prev-button - "<" beginning-of-buffer - ">" end-of-buffer - "\C-c\C-i" gnus-info-find-node - "\C-c\C-b" gnus-bug) - - (substitute-key-definition - 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)) - -(defun gnus-article-mode () - "Major mode for displaying an article. - -All normal editing commands are switched off. - -The following commands are available: - -\\<gnus-article-mode-map> -\\[gnus-article-next-page]\t Scroll the article one page forwards -\\[gnus-article-prev-page]\t Scroll the article one page backwards -\\[gnus-article-refer-article]\t Go to the article referred to by an article id near point -\\[gnus-article-show-summary]\t Display the summary buffer -\\[gnus-article-mail]\t Send a reply to the address near point -\\[gnus-article-describe-briefly]\t Describe the current mode briefly -\\[gnus-info-find-node]\t Go to the Gnus info node" - (interactive) - (when (and menu-bar-mode - (gnus-visual-p 'article-menu 'menu)) - (gnus-article-make-menu-bar)) - (kill-all-local-variables) - (gnus-simplify-mode-line) - (setq mode-name "Article") - (setq major-mode 'gnus-article-mode) - (make-local-variable 'minor-mode-alist) - (or (assq 'gnus-show-mime minor-mode-alist) - (setq minor-mode-alist - (cons (list 'gnus-show-mime " MIME") minor-mode-alist))) - (use-local-map gnus-article-mode-map) - (make-local-variable 'page-delimiter) - (setq page-delimiter gnus-page-delimiter) - (buffer-disable-undo (current-buffer)) - (setq buffer-read-only t) ;Disable modification - (run-hooks 'gnus-article-mode-hook)) - -(defun gnus-article-setup-buffer () - "Initialize the article buffer." - (let* ((name (if gnus-single-article-buffer "*Article*" - (concat "*Article " gnus-newsgroup-name "*"))) - (original - (progn (string-match "\\*Article" name) - (concat " *Original Article" - (substring name (match-end 0)))))) - (setq gnus-article-buffer name) - (setq gnus-original-article-buffer original) - ;; This might be a variable local to the summary buffer. - (unless gnus-single-article-buffer - (save-excursion - (set-buffer gnus-summary-buffer) - (setq gnus-article-buffer name) - (setq gnus-original-article-buffer original) - (gnus-set-global-variables)) - (make-local-variable 'gnus-summary-buffer)) - ;; Init original article buffer. - (save-excursion - (set-buffer (get-buffer-create gnus-original-article-buffer)) - (buffer-disable-undo (current-buffer)) - (setq major-mode 'gnus-original-article-mode) - (make-local-variable 'gnus-original-article)) - (if (get-buffer name) - (save-excursion - (set-buffer name) - (buffer-disable-undo (current-buffer)) - (setq buffer-read-only t) - (gnus-add-current-to-buffer-list) - (or (eq major-mode 'gnus-article-mode) - (gnus-article-mode)) - (current-buffer)) - (save-excursion - (set-buffer (get-buffer-create name)) - (gnus-add-current-to-buffer-list) - (gnus-article-mode) - (current-buffer))))) - -;; Set article window start at LINE, where LINE is the number of lines -;; from the head of the article. -(defun gnus-article-set-window-start (&optional line) - (set-window-start - (get-buffer-window gnus-article-buffer t) - (save-excursion - (set-buffer gnus-article-buffer) - (goto-char (point-min)) - (if (not line) - (point-min) - (gnus-message 6 "Moved to bookmark") - (search-forward "\n\n" nil t) - (forward-line line) - (point))))) - -(defun gnus-kill-all-overlays () - "Delete all overlays in the current buffer." - (when (fboundp 'overlay-lists) - (let* ((overlayss (overlay-lists)) - (buffer-read-only nil) - (overlays (nconc (car overlayss) (cdr overlayss)))) - (while overlays - (delete-overlay (pop overlays)))))) - -(defun gnus-request-article-this-buffer (article group) - "Get an article and insert it into this buffer." - (let (do-update-line) - (prog1 - (save-excursion - (erase-buffer) - (gnus-kill-all-overlays) - (setq group (or group gnus-newsgroup-name)) - - ;; Open server if it has closed. - (gnus-check-server (gnus-find-method-for-group group)) - - ;; Using `gnus-request-article' directly will insert the article into - ;; `nntp-server-buffer' - so we'll save some time by not having to - ;; copy it from the server buffer into the article buffer. - - ;; We only request an article by message-id when we do not have the - ;; headers for it, so we'll have to get those. - (when (stringp article) - (let ((gnus-override-method gnus-refer-article-method)) - (gnus-read-header article))) - - ;; If the article number is negative, that means that this article - ;; doesn't belong in this newsgroup (possibly), so we find its - ;; message-id and request it by id instead of number. - (when (and (numberp article) - gnus-summary-buffer - (get-buffer gnus-summary-buffer) - (buffer-name (get-buffer gnus-summary-buffer))) - (save-excursion - (set-buffer gnus-summary-buffer) - (let ((header (gnus-summary-article-header article))) - (if (< article 0) - (cond - ((memq article gnus-newsgroup-sparse) - ;; This is a sparse gap article. - (setq do-update-line article) - (setq article (mail-header-id header)) - (let ((gnus-override-method gnus-refer-article-method)) - (gnus-read-header article)) - (setq gnus-newsgroup-sparse - (delq article gnus-newsgroup-sparse))) - ((vectorp header) - ;; It's a real article. - (setq article (mail-header-id header))) - (t - ;; It is an extracted pseudo-article. - (setq article 'pseudo) - (gnus-request-pseudo-article header)))) - - (let ((method (gnus-find-method-for-group - gnus-newsgroup-name))) - (if (not (eq (car method) 'nneething)) - () - (let ((dir (concat (file-name-as-directory (nth 1 method)) - (mail-header-subject header)))) - (if (file-directory-p dir) - (progn - (setq article 'nneething) - (gnus-group-enter-directory dir))))))))) - - (cond - ;; Refuse to select canceled articles. - ((and (numberp article) - gnus-summary-buffer - (get-buffer gnus-summary-buffer) - (buffer-name (get-buffer gnus-summary-buffer)) - (eq (cdr (save-excursion - (set-buffer gnus-summary-buffer) - (assq article gnus-newsgroup-reads))) - gnus-canceled-mark)) - nil) - ;; We first check `gnus-original-article-buffer'. - ((and (get-buffer gnus-original-article-buffer) - (numberp article) - (save-excursion - (set-buffer gnus-original-article-buffer) - (and (equal (car gnus-original-article) group) - (eq (cdr gnus-original-article) article)))) - (insert-buffer-substring gnus-original-article-buffer) - 'article) - ;; Check the backlog. - ((and gnus-keep-backlog - (gnus-backlog-request-article group article (current-buffer))) - 'article) - ;; Check the cache. - ((and gnus-use-cache - (numberp article) - (gnus-cache-request-article article group)) - 'article) - ;; Get the article and put into the article buffer. - ((or (stringp article) (numberp article)) - (let ((gnus-override-method - (and (stringp article) gnus-refer-article-method)) - (buffer-read-only nil)) - (erase-buffer) - (gnus-kill-all-overlays) - (if (gnus-request-article article group (current-buffer)) - (progn - (and gnus-keep-backlog - (numberp article) - (gnus-backlog-enter-article - group article (current-buffer))) - 'article)))) - ;; It was a pseudo. - (t article))) - - ;; Take the article from the original article buffer - ;; and place it in the buffer it's supposed to be in. - (when (and (get-buffer gnus-article-buffer) - ;;(numberp article) - (equal (buffer-name (current-buffer)) - (buffer-name (get-buffer gnus-article-buffer)))) - (save-excursion - (if (get-buffer gnus-original-article-buffer) - (set-buffer (get-buffer gnus-original-article-buffer)) - (set-buffer (get-buffer-create gnus-original-article-buffer)) - (buffer-disable-undo (current-buffer)) - (setq major-mode 'gnus-original-article-mode) - (setq buffer-read-only t) - (gnus-add-current-to-buffer-list)) - (let (buffer-read-only) - (erase-buffer) - (insert-buffer-substring gnus-article-buffer)) - (setq gnus-original-article (cons group article)))) - - ;; Update sparse articles. - (when (and do-update-line - (or (numberp article) - (stringp article))) - (let ((buf (current-buffer))) - (set-buffer gnus-summary-buffer) - (gnus-summary-update-article do-update-line) - (gnus-summary-goto-subject do-update-line nil t) - (set-window-point (get-buffer-window (current-buffer) t) - (point)) - (set-buffer buf)))))) - -(defun gnus-read-header (id &optional header) - "Read the headers of article ID and enter them into the Gnus system." - (let ((group gnus-newsgroup-name) - (gnus-override-method - (and (gnus-news-group-p gnus-newsgroup-name) - gnus-refer-article-method)) - where) - ;; First we check to see whether the header in question is already - ;; fetched. - (if (stringp id) - ;; This is a Message-ID. - (setq header (or header (gnus-id-to-header id))) - ;; This is an article number. - (setq header (or header (gnus-summary-article-header id)))) - (if (and header - (not (memq (mail-header-number header) gnus-newsgroup-sparse))) - ;; We have found the header. - header - ;; We have to really fetch the header to this article. - (when (setq where (gnus-request-head id group)) - (save-excursion - (set-buffer nntp-server-buffer) - (goto-char (point-max)) - (insert ".\n") - (goto-char (point-min)) - (insert "211 ") - (princ (cond - ((numberp id) id) - ((cdr where) (cdr where)) - (header (mail-header-number header)) - (t gnus-reffed-article-number)) - (current-buffer)) - (insert " Article retrieved.\n")) - ;(when (and header - ; (memq (mail-header-number header) gnus-newsgroup-sparse)) - ; (setcar (gnus-id-to-thread id) nil)) - (if (not (setq header (car (gnus-get-newsgroup-headers)))) - () ; Malformed head. - (unless (memq (mail-header-number header) gnus-newsgroup-sparse) - (if (and (stringp id) - (not (string= (gnus-group-real-name group) - (car where)))) - ;; If we fetched by Message-ID and the article came - ;; from a different group, we fudge some bogus article - ;; numbers for this article. - (mail-header-set-number header gnus-reffed-article-number)) - (decf gnus-reffed-article-number) - (gnus-remove-header (mail-header-number header)) - (push header gnus-newsgroup-headers) - (setq gnus-current-headers header) - (push (mail-header-number header) gnus-newsgroup-limit)) - header))))) - -(defun gnus-remove-header (number) - "Remove header NUMBER from `gnus-newsgroup-headers'." - (if (and gnus-newsgroup-headers - (= number (mail-header-number (car gnus-newsgroup-headers)))) - (pop gnus-newsgroup-headers) - (let ((headers gnus-newsgroup-headers)) - (while (and (cdr headers) - (not (= number (mail-header-number (cadr headers))))) - (pop headers)) - (when (cdr headers) - (setcdr headers (cddr headers)))))) - -(defun gnus-article-prepare (article &optional all-headers header) - "Prepare ARTICLE in article mode buffer. -ARTICLE should either be an article number or a Message-ID. -If ARTICLE is an id, HEADER should be the article headers. -If ALL-HEADERS is non-nil, no headers are hidden." - (save-excursion - ;; Make sure we start in a summary buffer. - (unless (eq major-mode 'gnus-summary-mode) - (set-buffer gnus-summary-buffer)) - (setq gnus-summary-buffer (current-buffer)) - ;; Make sure the connection to the server is alive. - (unless (gnus-server-opened - (gnus-find-method-for-group gnus-newsgroup-name)) - (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name)) - (gnus-request-group gnus-newsgroup-name t)) - (let* ((article (if header (mail-header-number header) article)) - (summary-buffer (current-buffer)) - (internal-hook gnus-article-internal-prepare-hook) - (group gnus-newsgroup-name) - result) - (save-excursion - (gnus-article-setup-buffer) - (set-buffer gnus-article-buffer) - ;; Deactivate active regions. - (when (and (boundp 'transient-mark-mode) - transient-mark-mode) - (setq mark-active nil)) - (if (not (setq result (let ((buffer-read-only nil)) - (gnus-request-article-this-buffer - article group)))) - ;; There is no such article. - (save-excursion - (when (and (numberp article) - (not (memq article gnus-newsgroup-sparse))) - (setq gnus-article-current - (cons gnus-newsgroup-name article)) - (set-buffer gnus-summary-buffer) - (setq gnus-current-article article) - (gnus-summary-mark-article article gnus-canceled-mark)) - (unless (memq article gnus-newsgroup-sparse) - (gnus-error - 1 "No such article (may have expired or been canceled)"))) - (if (or (eq result 'pseudo) (eq result 'nneething)) - (progn - (save-excursion - (set-buffer summary-buffer) - (setq gnus-last-article gnus-current-article - gnus-newsgroup-history (cons gnus-current-article - gnus-newsgroup-history) - gnus-current-article 0 - gnus-current-headers nil - gnus-article-current nil) - (if (eq result 'nneething) - (gnus-configure-windows 'summary) - (gnus-configure-windows 'article)) - (gnus-set-global-variables)) - (gnus-set-mode-line 'article)) - ;; The result from the `request' was an actual article - - ;; or at least some text that is now displayed in the - ;; article buffer. - (if (and (numberp article) - (not (eq article gnus-current-article))) - ;; Seems like a new article has been selected. - ;; `gnus-current-article' must be an article number. - (save-excursion - (set-buffer summary-buffer) - (setq gnus-last-article gnus-current-article - gnus-newsgroup-history (cons gnus-current-article - gnus-newsgroup-history) - gnus-current-article article - gnus-current-headers - (gnus-summary-article-header gnus-current-article) - gnus-article-current - (cons gnus-newsgroup-name gnus-current-article)) - (unless (vectorp gnus-current-headers) - (setq gnus-current-headers nil)) - (gnus-summary-show-thread) - (run-hooks 'gnus-mark-article-hook) - (gnus-set-mode-line 'summary) - (and (gnus-visual-p 'article-highlight 'highlight) - (run-hooks 'gnus-visual-mark-article-hook)) - ;; Set the global newsgroup variables here. - ;; Suggested by Jim Sisolak - ;; <sisolak@trans4.neep.wisc.edu>. - (gnus-set-global-variables) - (setq gnus-have-all-headers - (or all-headers gnus-show-all-headers)) - (and gnus-use-cache - (vectorp (gnus-summary-article-header article)) - (gnus-cache-possibly-enter-article - group article - (gnus-summary-article-header article) - (memq article gnus-newsgroup-marked) - (memq article gnus-newsgroup-dormant) - (memq article gnus-newsgroup-unreads))))) - (when (or (numberp article) - (stringp article)) - ;; Hooks for getting information from the article. - ;; This hook must be called before being narrowed. - (let (buffer-read-only) - (run-hooks 'internal-hook) - (run-hooks 'gnus-article-prepare-hook) - ;; Decode MIME message. - (if gnus-show-mime - (if (or (not gnus-strict-mime) - (gnus-fetch-field "Mime-Version")) - (funcall gnus-show-mime-method) - (funcall gnus-decode-encoded-word-method))) - ;; Perform the article display hooks. - (run-hooks 'gnus-article-display-hook)) - ;; Do page break. - (goto-char (point-min)) - (and gnus-break-pages (gnus-narrow-to-page))) - (gnus-set-mode-line 'article) - (gnus-configure-windows 'article) - (goto-char (point-min)) - t)))))) - -(defun gnus-article-show-all-headers () - "Show all article headers in article mode buffer." - (save-excursion - (gnus-article-setup-buffer) - (set-buffer gnus-article-buffer) - (let ((buffer-read-only nil)) - (gnus-unhide-text (point-min) (point-max))))) - -(defun gnus-article-hide-headers-if-wanted () - "Hide unwanted headers if `gnus-have-all-headers' is nil. -Provided for backwards compatibility." - (or (save-excursion (set-buffer gnus-summary-buffer) gnus-have-all-headers) - gnus-inhibit-hiding - (gnus-article-hide-headers))) - -(defsubst gnus-article-header-rank () - "Give the rank of the string HEADER as given by `gnus-sorted-header-list'." - (let ((list gnus-sorted-header-list) - (i 0)) - (while list - (when (looking-at (car list)) - (setq list nil)) - (setq list (cdr list)) - (incf i)) - i)) - -(defun gnus-article-hide-headers (&optional arg delete) - "Toggle whether to hide unwanted headers and possibly sort them as well. -If given a negative prefix, always show; if given a positive prefix, -always hide." - (interactive (gnus-hidden-arg)) - (if (gnus-article-check-hidden-text 'headers arg) - ;; Show boring headers as well. - (gnus-article-show-hidden-text 'boring-headers) - ;; This function might be inhibited. - (unless gnus-inhibit-hiding - (save-excursion - (set-buffer gnus-article-buffer) - (save-restriction - (let ((buffer-read-only nil) - (props (nconc (list 'gnus-type 'headers) - gnus-hidden-properties)) - (max (1+ (length gnus-sorted-header-list))) - (ignored (when (not (stringp gnus-visible-headers)) - (cond ((stringp gnus-ignored-headers) - gnus-ignored-headers) - ((listp gnus-ignored-headers) - (mapconcat 'identity gnus-ignored-headers - "\\|"))))) - (visible - (cond ((stringp gnus-visible-headers) - gnus-visible-headers) - ((and gnus-visible-headers - (listp gnus-visible-headers)) - (mapconcat 'identity gnus-visible-headers "\\|")))) - (inhibit-point-motion-hooks t) - want-list beg) - ;; First we narrow to just the headers. - (widen) - (goto-char (point-min)) - ;; Hide any "From " lines at the beginning of (mail) articles. - (while (looking-at "From ") - (forward-line 1)) - (unless (bobp) - (if delete - (delete-region (point-min) (point)) - (gnus-hide-text (point-min) (point) props))) - ;; Then treat the rest of the header lines. - (narrow-to-region - (point) - (progn (search-forward "\n\n" nil t) (forward-line -1) (point))) - ;; Then we use the two regular expressions - ;; `gnus-ignored-headers' and `gnus-visible-headers' to - ;; select which header lines is to remain visible in the - ;; article buffer. - (goto-char (point-min)) - (while (re-search-forward "^[^ \t]*:" nil t) - (beginning-of-line) - ;; We add the headers we want to keep to a list and delete - ;; them from the buffer. - (gnus-put-text-property - (point) (1+ (point)) 'message-rank - (if (or (and visible (looking-at visible)) - (and ignored - (not (looking-at ignored)))) - (gnus-article-header-rank) - (+ 2 max))) - (forward-line 1)) - (message-sort-headers-1) - (when (setq beg (text-property-any - (point-min) (point-max) 'message-rank (+ 2 max))) - ;; We make the unwanted headers invisible. - (if delete - (delete-region beg (point-max)) - ;; Suggested by Sudish Joseph <joseph@cis.ohio-state.edu>. - (gnus-hide-text-type beg (point-max) 'headers)) - ;; Work around XEmacs lossage. - (gnus-put-text-property (point-min) beg 'invisible nil)))))))) - -(defun gnus-article-hide-boring-headers (&optional arg) - "Toggle hiding of headers that aren't very interesting. -If given a negative prefix, always show; if given a positive prefix, -always hide." - (interactive (gnus-hidden-arg)) - (unless (gnus-article-check-hidden-text 'boring-headers arg) - (save-excursion - (set-buffer gnus-article-buffer) - (save-restriction - (let ((buffer-read-only nil) - (list gnus-boring-article-headers) - (inhibit-point-motion-hooks t) - elem) - (nnheader-narrow-to-headers) - (while list - (setq elem (pop list)) - (goto-char (point-min)) - (cond - ;; Hide empty headers. - ((eq elem 'empty) - (while (re-search-forward "^[^:]+:[ \t]\n[^ \t]" nil t) - (forward-line -1) - (gnus-hide-text-type - (progn (beginning-of-line) (point)) - (progn - (end-of-line) - (if (re-search-forward "^[^ \t]" nil t) - (match-beginning 0) - (point-max))) - 'boring-headers))) - ;; Hide boring Newsgroups header. - ((eq elem 'newsgroups) - (when (equal (message-fetch-field "newsgroups") - (gnus-group-real-name gnus-newsgroup-name)) - (gnus-article-hide-header "newsgroups"))) - ((eq elem 'followup-to) - (when (equal (message-fetch-field "followup-to") - (message-fetch-field "newsgroups")) - (gnus-article-hide-header "followup-to"))) - ((eq elem 'reply-to) - (let ((from (message-fetch-field "from")) - (reply-to (message-fetch-field "reply-to"))) - (when (and - from reply-to - (equal - (nth 1 (funcall gnus-extract-address-components from)) - (nth 1 (funcall gnus-extract-address-components - reply-to)))) - (gnus-article-hide-header "reply-to")))) - ((eq elem 'date) - (let ((date (message-fetch-field "date"))) - (when (and date - (< (gnus-days-between date (current-time-string)) - 4)) - (gnus-article-hide-header "date"))))))))))) - -(defun gnus-article-hide-header (header) - (save-excursion - (goto-char (point-min)) - (when (re-search-forward (concat "^" header ":") nil t) - (gnus-hide-text-type - (progn (beginning-of-line) (point)) - (progn - (end-of-line) - (if (re-search-forward "^[^ \t]" nil t) - (match-beginning 0) - (point-max))) - 'boring-headers)))) - -;; Written by Per Abrahamsen <amanda@iesd.auc.dk>. -(defun gnus-article-treat-overstrike () - "Translate overstrikes into bold text." - (interactive) - (save-excursion - (set-buffer gnus-article-buffer) - (let ((buffer-read-only nil)) - (while (search-forward "\b" nil t) - (let ((next (following-char)) - (previous (char-after (- (point) 2)))) - (cond - ((eq next previous) - (gnus-put-text-property (- (point) 2) (point) 'invisible t) - (gnus-put-text-property (point) (1+ (point)) 'face 'bold)) - ((eq next ?_) - (gnus-put-text-property (1- (point)) (1+ (point)) 'invisible t) - (gnus-put-text-property - (- (point) 2) (1- (point)) 'face 'underline)) - ((eq previous ?_) - (gnus-put-text-property (- (point) 2) (point) 'invisible t) - (gnus-put-text-property - (point) (1+ (point)) 'face 'underline)))))))) - -(defun gnus-article-word-wrap () - "Format too long lines." - (interactive) - (save-excursion - (set-buffer gnus-article-buffer) - (let ((buffer-read-only nil)) - (widen) - (goto-char (point-min)) - (search-forward "\n\n" nil t) - (end-of-line 1) - (let ((paragraph-start "^[>|#:<;* ]*[ \t]*$") - (adaptive-fill-regexp "[ \t]*\\([|#:<;>*]+ *\\)?") - (adaptive-fill-mode t)) - (while (not (eobp)) - (and (>= (current-column) (min fill-column (window-width))) - (/= (preceding-char) ?:) - (fill-paragraph nil)) - (end-of-line 2)))))) - -(defun gnus-article-remove-cr () - "Remove carriage returns from an article." - (interactive) - (save-excursion - (set-buffer gnus-article-buffer) - (let ((buffer-read-only nil)) - (goto-char (point-min)) - (while (search-forward "\r" nil t) - (replace-match "" t t))))) - -(defun gnus-article-remove-trailing-blank-lines () - "Remove all trailing blank lines from the article." - (interactive) - (save-excursion - (set-buffer gnus-article-buffer) - (let ((buffer-read-only nil)) - (goto-char (point-max)) - (delete-region - (point) - (progn - (while (looking-at "^[ \t]*$") - (forward-line -1)) - (forward-line 1) - (point)))))) - -(defun gnus-article-display-x-face (&optional force) - "Look for an X-Face header and display it if present." - (interactive (list 'force)) - (save-excursion - (set-buffer gnus-article-buffer) - ;; Delete the old process, if any. - (when (process-status "gnus-x-face") - (delete-process "gnus-x-face")) - (let ((inhibit-point-motion-hooks t) - (case-fold-search nil) - from) - (save-restriction - (nnheader-narrow-to-headers) - (setq from (message-fetch-field "from")) - (goto-char (point-min)) - (when (and gnus-article-x-face-command - (or force - ;; Check whether this face is censored. - (not gnus-article-x-face-too-ugly) - (and gnus-article-x-face-too-ugly from - (not (string-match gnus-article-x-face-too-ugly - from)))) - ;; Has to be present. - (re-search-forward "^X-Face: " nil t)) - ;; We now have the area of the buffer where the X-Face is stored. - (let ((beg (point)) - (end (1- (re-search-forward "^\\($\\|[^ \t]\\)" nil t)))) - ;; We display the face. - (if (symbolp gnus-article-x-face-command) - ;; The command is a lisp function, so we call it. - (if (gnus-functionp gnus-article-x-face-command) - (funcall gnus-article-x-face-command beg end) - (error "%s is not a function" gnus-article-x-face-command)) - ;; The command is a string, so we interpret the command - ;; as a, well, command, and fork it off. - (let ((process-connection-type nil)) - (process-kill-without-query - (start-process - "gnus-x-face" nil shell-file-name shell-command-switch - gnus-article-x-face-command)) - (process-send-region "gnus-x-face" beg end) - (process-send-eof "gnus-x-face"))))))))) - -(defalias 'gnus-headers-decode-quoted-printable 'gnus-decode-rfc1522) -(defun gnus-decode-rfc1522 () - "Hack to remove QP encoding from headers." - (let ((case-fold-search t) - (inhibit-point-motion-hooks t) - (buffer-read-only nil) - string) - (save-restriction - (narrow-to-region - (goto-char (point-min)) - (or (search-forward "\n\n" nil t) (point-max))) - - (goto-char (point-min)) - (while (re-search-forward - "=\\?iso-8859-1\\?q\\?\\([^?\t\n]*\\)\\?=" nil t) - (setq string (match-string 1)) - (narrow-to-region (match-beginning 0) (match-end 0)) - (delete-region (point-min) (point-max)) - (insert string) - (gnus-mime-decode-quoted-printable (goto-char (point-min)) (point-max)) - (subst-char-in-region (point-min) (point-max) ?_ ? ) - (widen) - (goto-char (point-min)))))) - -(defun gnus-article-de-quoted-unreadable (&optional force) - "Do a naive translation of a quoted-printable-encoded article. -This is in no way, shape or form meant as a replacement for real MIME -processing, but is simply a stop-gap measure until MIME support is -written. -If FORCE, decode the article whether it is marked as quoted-printable -or not." - (interactive (list 'force)) - (save-excursion - (set-buffer gnus-article-buffer) - (let ((case-fold-search t) - (buffer-read-only nil) - (type (gnus-fetch-field "content-transfer-encoding"))) - (gnus-decode-rfc1522) - (when (or force - (and type (string-match "quoted-printable" (downcase type)))) - (goto-char (point-min)) - (search-forward "\n\n" nil 'move) - (gnus-mime-decode-quoted-printable (point) (point-max)))))) - -(defun gnus-mime-decode-quoted-printable (from to) - "Decode Quoted-Printable in the region between FROM and TO." - (interactive "r") - (goto-char from) - (while (search-forward "=" to t) - (cond ((eq (following-char) ?\n) - (delete-char -1) - (delete-char 1)) - ((looking-at "[0-9A-F][0-9A-F]") - (subst-char-in-region - (1- (point)) (point) ?= - (hexl-hex-string-to-integer - (buffer-substring (point) (+ 2 (point))))) - (delete-char 2)) - ((looking-at "=") - (delete-char 1)) - ((gnus-message 3 "Malformed MIME quoted-printable message"))))) - -(defun gnus-article-hide-pgp (&optional arg) - "Toggle hiding of any PGP headers and signatures in the current article. -If given a negative prefix, always show; if given a positive prefix, -always hide." - (interactive (gnus-hidden-arg)) - (unless (gnus-article-check-hidden-text 'pgp arg) - (save-excursion - (set-buffer gnus-article-buffer) - (let ((props (nconc (list 'gnus-type 'pgp) gnus-hidden-properties)) - buffer-read-only beg end) - (widen) - (goto-char (point-min)) - ;; Hide the "header". - (and (search-forward "\n-----BEGIN PGP SIGNED MESSAGE-----\n" nil t) - (gnus-hide-text (match-beginning 0) (match-end 0) props)) - (setq beg (point)) - ;; Hide the actual signature. - (and (search-forward "\n-----BEGIN PGP SIGNATURE-----\n" nil t) - (setq end (1+ (match-beginning 0))) - (gnus-hide-text - end - (if (search-forward "\n-----END PGP SIGNATURE-----\n" nil t) - (match-end 0) - ;; Perhaps we shouldn't hide to the end of the buffer - ;; if there is no end to the signature? - (point-max)) - props)) - ;; Hide "- " PGP quotation markers. - (when (and beg end) - (narrow-to-region beg end) - (goto-char (point-min)) - (while (re-search-forward "^- " nil t) - (gnus-hide-text (match-beginning 0) (match-end 0) props)) - (widen)))))) - -(defun gnus-article-hide-signature (&optional arg) - "Hide the signature in the current article. -If given a negative prefix, always show; if given a positive prefix, -always hide." - (interactive (gnus-hidden-arg)) - (unless (gnus-article-check-hidden-text 'signature arg) - (save-excursion - (set-buffer gnus-article-buffer) - (save-restriction - (let ((buffer-read-only nil)) - (when (gnus-narrow-to-signature) - (gnus-hide-text-type (point-min) (point-max) 'signature))))))) - -(defun gnus-article-strip-leading-blank-lines () - "Remove all blank lines from the beginning of the article." - (interactive) - (save-excursion - (set-buffer gnus-article-buffer) - (let (buffer-read-only) - (goto-char (point-min)) - (when (search-forward "\n\n" nil t) - (while (looking-at "[ \t]$") - (gnus-delete-line)))))) - -(defvar mime::preview/content-list) -(defvar mime::preview-content-info/point-min) -(defun gnus-narrow-to-signature () - "Narrow to the signature." - (widen) - (if (and (boundp 'mime::preview/content-list) - mime::preview/content-list) - (let ((pcinfo (car (last mime::preview/content-list)))) - (condition-case () - (narrow-to-region - (funcall (intern "mime::preview-content-info/point-min") pcinfo) - (point-max)) - (error nil)))) - (goto-char (point-max)) - (when (re-search-backward gnus-signature-separator nil t) - (forward-line 1) - (when (or (null gnus-signature-limit) - (and (numberp gnus-signature-limit) - (< (- (point-max) (point)) gnus-signature-limit)) - (and (gnus-functionp gnus-signature-limit) - (funcall gnus-signature-limit)) - (and (stringp gnus-signature-limit) - (not (re-search-forward gnus-signature-limit nil t)))) - (narrow-to-region (point) (point-max)) - t))) - -(defun gnus-hidden-arg () - "Return the current prefix arg as a number, or 0 if no prefix." - (list (if current-prefix-arg - (prefix-numeric-value current-prefix-arg) - 0))) - -(defun gnus-article-check-hidden-text (type arg) - "Return nil if hiding is necessary. -Arg can be nil or a number. Nil and positive means hide, negative -means show, 0 means toggle." - (save-excursion - (set-buffer gnus-article-buffer) - (let ((hide (gnus-article-hidden-text-p type))) - (cond - ((or (null arg) - (> arg 0)) - nil) - ((< arg 0) - (gnus-article-show-hidden-text type)) - (t - (if (eq hide 'hidden) - (gnus-article-show-hidden-text type) - nil)))))) - -(defun gnus-article-hidden-text-p (type) - "Say whether the current buffer contains hidden text of type TYPE." - (let ((pos (text-property-any (point-min) (point-max) 'gnus-type type))) - (when pos - (if (get-text-property pos 'invisible) - 'hidden - 'shown)))) - -(defun gnus-article-hide (&optional arg force) - "Hide all the gruft in the current article. -This means that PGP stuff, signatures, cited text and (some) -headers will be hidden. -If given a prefix, show the hidden text instead." - (interactive (list current-prefix-arg 'force)) - (gnus-article-hide-headers arg) - (gnus-article-hide-pgp arg) - (gnus-article-hide-citation-maybe arg force) - (gnus-article-hide-signature arg)) - -(defun gnus-article-show-hidden-text (type &optional hide) - "Show all hidden text of type TYPE. -If HIDE, hide the text instead." - (save-excursion - (set-buffer gnus-article-buffer) - (let ((buffer-read-only nil) - (inhibit-point-motion-hooks t) - (beg (point-min))) - (while (gnus-goto-char (text-property-any - beg (point-max) 'gnus-type type)) - (setq beg (point)) - (forward-char) - (if hide - (gnus-hide-text beg (point) gnus-hidden-properties) - (gnus-unhide-text beg (point))) - (setq beg (point))) - t))) - -(defvar gnus-article-time-units - `((year . ,(* 365.25 24 60 60)) - (week . ,(* 7 24 60 60)) - (day . ,(* 24 60 60)) - (hour . ,(* 60 60)) - (minute . 60) - (second . 1)) - "Mapping from time units to seconds.") - -(defun gnus-article-date-ut (&optional type highlight) - "Convert DATE date to universal time in the current article. -If TYPE is `local', convert to local time; if it is `lapsed', output -how much time has lapsed since DATE." - (interactive (list 'ut t)) - (let* ((header (or gnus-current-headers - (gnus-summary-article-header) "")) - (date (and (vectorp header) (mail-header-date header))) - (date-regexp "^Date: \\|^X-Sent: ") - (now (current-time)) - (inhibit-point-motion-hooks t) - bface eface) - (when (and date (not (string= date ""))) - (save-excursion - (set-buffer gnus-article-buffer) - (save-restriction - (nnheader-narrow-to-headers) - (let ((buffer-read-only nil)) - ;; Delete any old Date headers. - (if (re-search-forward date-regexp nil t) - (progn - (setq bface (get-text-property (gnus-point-at-bol) 'face) - eface (get-text-property (1- (gnus-point-at-eol)) - 'face)) - (message-remove-header date-regexp t) - (beginning-of-line)) - (goto-char (point-max))) - (insert (gnus-make-date-line date type)) - ;; Do highlighting. - (forward-line -1) - (when (and (gnus-visual-p 'article-highlight 'highlight) - (looking-at "\\([^:]+\\): *\\(.*\\)$")) - (gnus-put-text-property (match-beginning 1) (match-end 1) - 'face bface) - (gnus-put-text-property (match-beginning 2) (match-end 2) - 'face eface)))))))) - -(defun gnus-make-date-line (date type) - "Return a DATE line of TYPE." - (cond - ;; Convert to the local timezone. We have to slap a - ;; `condition-case' round the calls to the timezone - ;; functions since they aren't particularly resistant to - ;; buggy dates. - ((eq type 'local) - (concat "Date: " (condition-case () - (timezone-make-date-arpa-standard date) - (error date)) - "\n")) - ;; Convert to Universal Time. - ((eq type 'ut) - (concat "Date: " - (condition-case () - (timezone-make-date-arpa-standard date nil "UT") - (error date)) - "\n")) - ;; Get the original date from the article. - ((eq type 'original) - (concat "Date: " date "\n")) - ;; Do an X-Sent lapsed format. - ((eq type 'lapsed) - ;; If the date is seriously mangled, the timezone - ;; functions are liable to bug out, so we condition-case - ;; the entire thing. - (let* ((now (current-time)) - (real-time - (condition-case () - (gnus-time-minus - (gnus-encode-date - (timezone-make-date-arpa-standard - (current-time-string now) - (current-time-zone now) "UT")) - (gnus-encode-date - (timezone-make-date-arpa-standard - date nil "UT"))) - (error '(0 0)))) - (real-sec (+ (* (float (car real-time)) 65536) - (cadr real-time))) - (sec (abs real-sec)) - num prev) - (cond - ((equal real-time '(0 0)) - "X-Sent: Unknown\n") - ((zerop sec) - "X-Sent: Now\n") - (t - (concat - "X-Sent: " - ;; This is a bit convoluted, but basically we go - ;; through the time units for years, weeks, etc, - ;; and divide things to see whether that results - ;; in positive answers. - (mapconcat - (lambda (unit) - (if (zerop (setq num (ffloor (/ sec (cdr unit))))) - ;; The (remaining) seconds are too few to - ;; be divided into this time unit. - "" - ;; It's big enough, so we output it. - (setq sec (- sec (* num (cdr unit)))) - (prog1 - (concat (if prev ", " "") (int-to-string - (floor num)) - " " (symbol-name (car unit)) - (if (> num 1) "s" "")) - (setq prev t)))) - gnus-article-time-units "") - ;; If dates are odd, then it might appear like the - ;; article was sent in the future. - (if (> real-sec 0) - " ago\n" - " in the future\n")))))) - (t - (error "Unknown conversion type: %s" type)))) - -(defun gnus-article-date-local (&optional highlight) - "Convert the current article date to the local timezone." - (interactive (list t)) - (gnus-article-date-ut 'local highlight)) - -(defun gnus-article-date-original (&optional highlight) - "Convert the current article date to what it was originally. -This is only useful if you have used some other date conversion -function and want to see what the date was before converting." - (interactive (list t)) - (gnus-article-date-ut 'original highlight)) - -(defun gnus-article-date-lapsed (&optional highlight) - "Convert the current article date to time lapsed since it was sent." - (interactive (list t)) - (gnus-article-date-ut 'lapsed highlight)) - -(defun gnus-article-maybe-highlight () - "Do some article highlighting if `gnus-visual' is non-nil." - (if (gnus-visual-p 'article-highlight 'highlight) - (gnus-article-highlight-some))) - -;;; Article savers. - -(defun gnus-output-to-rmail (file-name) - "Append the current article to an Rmail file named FILE-NAME." - (require 'rmail) - ;; Most of these codes are borrowed from rmailout.el. - (setq file-name (expand-file-name file-name)) - (setq rmail-default-rmail-file file-name) - (let ((artbuf (current-buffer)) - (tmpbuf (get-buffer-create " *Gnus-output*"))) - (save-excursion - (or (get-file-buffer file-name) - (file-exists-p file-name) - (if (gnus-yes-or-no-p - (concat "\"" file-name "\" does not exist, create it? ")) - (let ((file-buffer (create-file-buffer file-name))) - (save-excursion - (set-buffer file-buffer) - (rmail-insert-rmail-file-header) - (let ((require-final-newline nil)) - (write-region (point-min) (point-max) file-name t 1))) - (kill-buffer file-buffer)) - (error "Output file does not exist"))) - (set-buffer tmpbuf) - (buffer-disable-undo (current-buffer)) - (erase-buffer) - (insert-buffer-substring artbuf) - (gnus-convert-article-to-rmail) - ;; Decide whether to append to a file or to an Emacs buffer. - (let ((outbuf (get-file-buffer file-name))) - (if (not outbuf) - (append-to-file (point-min) (point-max) file-name) - ;; File has been visited, in buffer OUTBUF. - (set-buffer outbuf) - (let ((buffer-read-only nil) - (msg (and (boundp 'rmail-current-message) - (symbol-value 'rmail-current-message)))) - ;; If MSG is non-nil, buffer is in RMAIL mode. - (if msg - (progn (widen) - (narrow-to-region (point-max) (point-max)))) - (insert-buffer-substring tmpbuf) - (if msg - (progn - (goto-char (point-min)) - (widen) - (search-backward "\^_") - (narrow-to-region (point) (point-max)) - (goto-char (1+ (point-min))) - (rmail-count-new-messages t) - (rmail-show-message msg))))))) - (kill-buffer tmpbuf))) - -(defun gnus-output-to-file (file-name) - "Append the current article to a file named FILE-NAME." - (let ((artbuf (current-buffer))) - (nnheader-temp-write nil - (insert-buffer-substring artbuf) - ;; Append newline at end of the buffer as separator, and then - ;; save it to file. - (goto-char (point-max)) - (insert "\n") - (append-to-file (point-min) (point-max) file-name)))) - -(defun gnus-convert-article-to-rmail () - "Convert article in current buffer to Rmail message format." - (let ((buffer-read-only nil)) - ;; Convert article directly into Babyl format. - ;; Suggested by Rob Austein <sra@lcs.mit.edu> - (goto-char (point-min)) - (insert "\^L\n0, unseen,,\n*** EOOH ***\n") - (while (search-forward "\n\^_" nil t) ;single char - (replace-match "\n^_" t t)) ;2 chars: "^" and "_" - (goto-char (point-max)) - (insert "\^_"))) - -(defun gnus-narrow-to-page (&optional arg) - "Narrow the article buffer to a page. -If given a numerical ARG, move forward ARG pages." - (interactive "P") - (setq arg (if arg (prefix-numeric-value arg) 0)) - (save-excursion - (set-buffer gnus-article-buffer) - (goto-char (point-min)) - (widen) - (when (gnus-visual-p 'page-marker) - (let ((buffer-read-only nil)) - (gnus-remove-text-with-property 'gnus-prev) - (gnus-remove-text-with-property 'gnus-next))) - (when - (cond ((< arg 0) - (re-search-backward page-delimiter nil 'move (1+ (abs arg)))) - ((> arg 0) - (re-search-forward page-delimiter nil 'move arg))) - (goto-char (match-end 0))) - (narrow-to-region - (point) - (if (re-search-forward page-delimiter nil 'move) - (match-beginning 0) - (point))) - (when (and (gnus-visual-p 'page-marker) - (not (= (point-min) 1))) - (save-excursion - (goto-char (point-min)) - (gnus-insert-prev-page-button))) - (when (and (gnus-visual-p 'page-marker) - (not (= (1- (point-max)) (buffer-size)))) - (save-excursion - (goto-char (point-max)) - (gnus-insert-next-page-button))))) - -;; Article mode commands - -(defun gnus-article-goto-next-page () - "Show the next page of the article." - (interactive) - (when (gnus-article-next-page) - (gnus-article-read-summary-keys nil (gnus-character-to-event ?n)))) - -(defun gnus-article-goto-prev-page () - "Show the next page of the article." - (interactive) - (if (bobp) (gnus-article-read-summary-keys nil (gnus-character-to-event ?n)) - (gnus-article-prev-page nil))) - -(defun gnus-article-next-page (&optional lines) - "Show the next page of the current article. -If end of article, return non-nil. Otherwise return nil. -Argument LINES specifies lines to be scrolled up." - (interactive "p") - (move-to-window-line -1) - ;; Fixed by enami@ptgd.sony.co.jp (enami tsugutomo) - (if (save-excursion - (end-of-line) - (and (pos-visible-in-window-p) ;Not continuation line. - (eobp))) - ;; Nothing in this page. - (if (or (not gnus-break-pages) - (save-excursion - (save-restriction - (widen) (forward-line 1) (eobp)))) ;Real end-of-buffer? - t ;Nothing more. - (gnus-narrow-to-page 1) ;Go to next page. - nil) - ;; More in this page. - (condition-case () - (scroll-up lines) - (end-of-buffer - ;; Long lines may cause an end-of-buffer error. - (goto-char (point-max)))) - (move-to-window-line 0) - nil)) - -(defun gnus-article-prev-page (&optional lines) - "Show previous page of current article. -Argument LINES specifies lines to be scrolled down." - (interactive "p") - (move-to-window-line 0) - (if (and gnus-break-pages - (bobp) - (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer? - (progn - (gnus-narrow-to-page -1) ;Go to previous page. - (goto-char (point-max)) - (recenter -1)) - (prog1 - (condition-case () - (scroll-down lines) - (error nil)) - (move-to-window-line 0)))) - -(defun gnus-article-refer-article () - "Read article specified by message-id around point." - (interactive) - (let ((point (point))) - (search-forward ">" nil t) ;Move point to end of "<....>". - (if (re-search-backward "\\(<[^<> \t\n]+>\\)" nil t) - (let ((message-id (match-string 1))) - (goto-char point) - (set-buffer gnus-summary-buffer) - (gnus-summary-refer-article message-id)) - (goto-char (point)) - (error "No references around point")))) - -(defun gnus-article-show-summary () - "Reconfigure windows to show summary buffer." - (interactive) - (gnus-configure-windows 'article) - (gnus-summary-goto-subject gnus-current-article)) - -(defun gnus-article-describe-briefly () - "Describe article mode commands briefly." - (interactive) - (gnus-message 6 - (substitute-command-keys "\\<gnus-article-mode-map>\\[gnus-article-goto-next-page]:Next page \\[gnus-article-goto-prev-page]:Prev page \\[gnus-article-show-summary]:Show summary \\[gnus-info-find-node]:Run Info \\[gnus-article-describe-briefly]:This help"))) - -(defun gnus-article-summary-command () - "Execute the last keystroke in the summary buffer." - (interactive) - (let ((obuf (current-buffer)) - (owin (current-window-configuration)) - func) - (switch-to-buffer gnus-summary-buffer 'norecord) - (setq func (lookup-key (current-local-map) (this-command-keys))) - (call-interactively func) - (set-buffer obuf) - (set-window-configuration owin) - (set-window-point (get-buffer-window (current-buffer)) (point)))) - -(defun gnus-article-summary-command-nosave () - "Execute the last keystroke in the summary buffer." - (interactive) - (let (func) - (pop-to-buffer gnus-summary-buffer 'norecord) - (setq func (lookup-key (current-local-map) (this-command-keys))) - (call-interactively func))) - -(defun gnus-article-read-summary-keys (&optional arg key not-restore-window) - "Read a summary buffer key sequence and execute it from the article buffer." - (interactive "P") - (let ((nosaves - '("q" "Q" "c" "r" "R" "\C-c\C-f" "m" "a" "f" "F" - "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP" - "=" "^" "\M-^" "|")) - (nosave-but-article - '("A\r")) - keys) - (save-excursion - (set-buffer gnus-summary-buffer) - (push (or key last-command-event) unread-command-events) - (setq keys (read-key-sequence nil))) - (message "") - - (if (or (member keys nosaves) - (member keys nosave-but-article)) - (let (func) - (save-window-excursion - (pop-to-buffer gnus-summary-buffer 'norecord) - (setq func (lookup-key (current-local-map) keys))) - (if (not func) - (ding) - (set-buffer gnus-summary-buffer) - (call-interactively func)) - (when (member keys nosave-but-article) - (pop-to-buffer gnus-article-buffer 'norecord))) - (let ((obuf (current-buffer)) - (owin (current-window-configuration)) - (opoint (point)) - func in-buffer) - (if not-restore-window - (pop-to-buffer gnus-summary-buffer 'norecord) - (switch-to-buffer gnus-summary-buffer 'norecord)) - (setq in-buffer (current-buffer)) - (if (setq func (lookup-key (current-local-map) keys)) - (call-interactively func) - (ding)) - (when (eq in-buffer (current-buffer)) - (set-buffer obuf) - (unless not-restore-window - (set-window-configuration owin)) - (set-window-point (get-buffer-window (current-buffer)) opoint)))))) - - -;;; -;;; Kill file handling. -;;; - -;;;###autoload -(defalias 'gnus-batch-kill 'gnus-batch-score) -;;;###autoload -(defun gnus-batch-score () - "Run batched scoring. -Usage: emacs -batch -l gnus -f gnus-batch-score <newsgroups> ... -Newsgroups is a list of strings in Bnews format. If you want to score -the comp hierarchy, you'd say \"comp.all\". If you would not like to -score the alt hierarchy, you'd say \"!alt.all\"." - (interactive) - (let* ((yes-and-no - (gnus-newsrc-parse-options - (apply (function concat) - (mapcar (lambda (g) (concat g " ")) - command-line-args-left)))) - (gnus-expert-user t) - (nnmail-spool-file nil) - (gnus-use-dribble-file nil) - (yes (car yes-and-no)) - (no (cdr yes-and-no)) - group newsrc entry - ;; Disable verbose message. - gnus-novice-user gnus-large-newsgroup) - ;; Eat all arguments. - (setq command-line-args-left nil) - ;; Start Gnus. - (gnus) - ;; Apply kills to specified newsgroups in command line arguments. - (setq newsrc (cdr gnus-newsrc-alist)) - (while newsrc - (setq group (caar newsrc)) - (setq entry (gnus-gethash group gnus-newsrc-hashtb)) - (if (and (<= (nth 1 (car newsrc)) gnus-level-subscribed) - (and (car entry) - (or (eq (car entry) t) - (not (zerop (car entry))))) - (if yes (string-match yes group) t) - (or (null no) (not (string-match no group)))) - (progn - (gnus-summary-read-group group nil t nil t) - (and (eq (current-buffer) (get-buffer gnus-summary-buffer)) - (gnus-summary-exit)))) - (setq newsrc (cdr newsrc))) - ;; Exit Emacs. - (switch-to-buffer gnus-group-buffer) - (gnus-group-save-newsrc))) - -(defun gnus-apply-kill-file () - "Apply a kill file to the current newsgroup. -Returns the number of articles marked as read." - (if (or (file-exists-p (gnus-newsgroup-kill-file nil)) - (file-exists-p (gnus-newsgroup-kill-file gnus-newsgroup-name))) - (gnus-apply-kill-file-internal) - 0)) - -(defun gnus-kill-save-kill-buffer () - (let ((file (gnus-newsgroup-kill-file gnus-newsgroup-name))) - (when (get-file-buffer file) - (save-excursion - (set-buffer (get-file-buffer file)) - (and (buffer-modified-p) (save-buffer)) - (kill-buffer (current-buffer)))))) - -(defvar gnus-kill-file-name "KILL" - "Suffix of the kill files.") - -(defun gnus-newsgroup-kill-file (newsgroup) - "Return the name of a kill file name for NEWSGROUP. -If NEWSGROUP is nil, return the global kill file name instead." - (cond - ;; The global KILL file is placed at top of the directory. - ((or (null newsgroup) - (string-equal newsgroup "")) - (expand-file-name gnus-kill-file-name - gnus-kill-files-directory)) - ;; Append ".KILL" to newsgroup name. - ((gnus-use-long-file-name 'not-kill) - (expand-file-name (concat (gnus-newsgroup-savable-name newsgroup) - "." gnus-kill-file-name) - gnus-kill-files-directory)) - ;; Place "KILL" under the hierarchical directory. - (t - (expand-file-name (concat (gnus-newsgroup-directory-form newsgroup) - "/" gnus-kill-file-name) - gnus-kill-files-directory)))) - - -;;; -;;; Dribble file -;;; - -(defvar gnus-dribble-ignore nil) -(defvar gnus-dribble-eval-file nil) - -(defun gnus-dribble-file-name () - "Return the dribble file for the current .newsrc." - (concat - (if gnus-dribble-directory - (concat (file-name-as-directory gnus-dribble-directory) - (file-name-nondirectory gnus-current-startup-file)) - gnus-current-startup-file) - "-dribble")) - -(defun gnus-dribble-enter (string) - "Enter STRING into the dribble buffer." - (if (and (not gnus-dribble-ignore) - gnus-dribble-buffer - (buffer-name gnus-dribble-buffer)) - (let ((obuf (current-buffer))) - (set-buffer gnus-dribble-buffer) - (insert string "\n") - (set-window-point (get-buffer-window (current-buffer)) (point-max)) - (bury-buffer gnus-dribble-buffer) - (set-buffer obuf)))) - -(defun gnus-dribble-read-file () - "Read the dribble file from disk." - (let ((dribble-file (gnus-dribble-file-name))) - (save-excursion - (set-buffer (setq gnus-dribble-buffer - (get-buffer-create - (file-name-nondirectory dribble-file)))) - (gnus-add-current-to-buffer-list) - (erase-buffer) - (setq buffer-file-name dribble-file) - (auto-save-mode t) - (buffer-disable-undo (current-buffer)) - (bury-buffer (current-buffer)) - (set-buffer-modified-p nil) - (let ((auto (make-auto-save-file-name)) - (gnus-dribble-ignore t) - modes) - (when (or (file-exists-p auto) (file-exists-p dribble-file)) - ;; Load whichever file is newest -- the auto save file - ;; or the "real" file. - (if (file-newer-than-file-p auto dribble-file) - (insert-file-contents auto) - (insert-file-contents dribble-file)) - (unless (zerop (buffer-size)) - (set-buffer-modified-p t)) - ;; Set the file modes to reflect the .newsrc file modes. - (save-buffer) - (when (and (file-exists-p gnus-current-startup-file) - (setq modes (file-modes gnus-current-startup-file))) - (set-file-modes dribble-file modes)) - ;; Possibly eval the file later. - (when (gnus-y-or-n-p - "Auto-save file exists. Do you want to read it? ") - (setq gnus-dribble-eval-file t))))))) - -(defun gnus-dribble-eval-file () - (when gnus-dribble-eval-file - (setq gnus-dribble-eval-file nil) - (save-excursion - (let ((gnus-dribble-ignore t)) - (set-buffer gnus-dribble-buffer) - (eval-buffer (current-buffer)))))) - -(defun gnus-dribble-delete-file () - (when (file-exists-p (gnus-dribble-file-name)) - (delete-file (gnus-dribble-file-name))) - (when gnus-dribble-buffer - (save-excursion - (set-buffer gnus-dribble-buffer) - (let ((auto (make-auto-save-file-name))) - (if (file-exists-p auto) - (delete-file auto)) - (erase-buffer) - (set-buffer-modified-p nil))))) - -(defun gnus-dribble-save () - (when (and gnus-dribble-buffer - (buffer-name gnus-dribble-buffer)) - (save-excursion - (set-buffer gnus-dribble-buffer) - (save-buffer)))) - -(defun gnus-dribble-clear () - (when (gnus-buffer-exists-p gnus-dribble-buffer) - (save-excursion - (set-buffer gnus-dribble-buffer) - (erase-buffer) - (set-buffer-modified-p nil) - (setq buffer-saved-size (buffer-size))))) - - -;;; -;;; Server Communication -;;; - -(defun gnus-start-news-server (&optional confirm) - "Open a method for getting news. -If CONFIRM is non-nil, the user will be asked for an NNTP server." - (let (how) - (if gnus-current-select-method - ;; Stream is already opened. - nil - ;; Open NNTP server. - (if (null gnus-nntp-service) (setq gnus-nntp-server nil)) - (if confirm - (progn - ;; Read server name with completion. - (setq gnus-nntp-server - (completing-read "NNTP server: " - (mapcar (lambda (server) (list server)) - (cons (list gnus-nntp-server) - gnus-secondary-servers)) - nil nil gnus-nntp-server)))) - - (if (and gnus-nntp-server - (stringp gnus-nntp-server) - (not (string= gnus-nntp-server ""))) - (setq gnus-select-method - (cond ((or (string= gnus-nntp-server "") - (string= gnus-nntp-server "::")) - (list 'nnspool (system-name))) - ((string-match "^:" gnus-nntp-server) - (list 'nnmh gnus-nntp-server - (list 'nnmh-directory - (file-name-as-directory - (expand-file-name - (concat "~/" (substring - gnus-nntp-server 1))))) - (list 'nnmh-get-new-mail nil))) - (t - (list 'nntp gnus-nntp-server))))) - - (setq how (car gnus-select-method)) - (cond ((eq how 'nnspool) - (require 'nnspool) - (gnus-message 5 "Looking up local news spool...")) - ((eq how 'nnmh) - (require 'nnmh) - (gnus-message 5 "Looking up mh spool...")) - (t - (require 'nntp))) - (setq gnus-current-select-method gnus-select-method) - (run-hooks 'gnus-open-server-hook) - (or - ;; gnus-open-server-hook might have opened it - (gnus-server-opened gnus-select-method) - (gnus-open-server gnus-select-method) - (gnus-y-or-n-p - (format - "%s (%s) open error: '%s'. Continue? " - (car gnus-select-method) (cadr gnus-select-method) - (gnus-status-message gnus-select-method))) - (gnus-error 1 "Couldn't open server on %s" - (nth 1 gnus-select-method)))))) - -(defun gnus-check-group (group) - "Try to make sure that the server where GROUP exists is alive." - (let ((method (gnus-find-method-for-group group))) - (or (gnus-server-opened method) - (gnus-open-server method)))) - -(defun gnus-check-server (&optional method silent) - "Check whether the connection to METHOD is down. -If METHOD is nil, use `gnus-select-method'. -If it is down, start it up (again)." - (let ((method (or method gnus-select-method))) - ;; Transform virtual server names into select methods. - (when (stringp method) - (setq method (gnus-server-to-method method))) - (if (gnus-server-opened method) - ;; The stream is already opened. - t - ;; Open the server. - (unless silent - (gnus-message 5 "Opening %s server%s..." (car method) - (if (equal (nth 1 method) "") "" - (format " on %s" (nth 1 method))))) - (run-hooks 'gnus-open-server-hook) - (prog1 - (gnus-open-server method) - (unless silent - (message "")))))) - -(defun gnus-get-function (method function &optional noerror) - "Return a function symbol based on METHOD and FUNCTION." - ;; Translate server names into methods. - (unless method - (error "Attempted use of a nil select method")) - (when (stringp method) - (setq method (gnus-server-to-method method))) - (let ((func (intern (format "%s-%s" (car method) function)))) - ;; If the functions isn't bound, we require the backend in - ;; question. - (unless (fboundp func) - (require (car method)) - (when (and (not (fboundp func)) - (not noerror)) - ;; This backend doesn't implement this function. - (error "No such function: %s" func))) - func)) - - -;;; -;;; Interface functions to the backends. -;;; - -(defun gnus-open-server (method) - "Open a connection to METHOD." - (when (stringp method) - (setq method (gnus-server-to-method method))) - (let ((elem (assoc method gnus-opened-servers))) - ;; If this method was previously denied, we just return nil. - (if (eq (nth 1 elem) 'denied) - (progn - (gnus-message 1 "Denied server") - nil) - ;; Open the server. - (let ((result - (funcall (gnus-get-function method 'open-server) - (nth 1 method) (nthcdr 2 method)))) - ;; If this hasn't been opened before, we add it to the list. - (unless elem - (setq elem (list method nil) - gnus-opened-servers (cons elem gnus-opened-servers))) - ;; Set the status of this server. - (setcar (cdr elem) (if result 'ok 'denied)) - ;; Return the result from the "open" call. - result)))) - -(defun gnus-close-server (method) - "Close the connection to METHOD." - (when (stringp method) - (setq method (gnus-server-to-method method))) - (funcall (gnus-get-function method 'close-server) (nth 1 method))) - -(defun gnus-request-list (method) - "Request the active file from METHOD." - (when (stringp method) - (setq method (gnus-server-to-method method))) - (funcall (gnus-get-function method 'request-list) (nth 1 method))) - -(defun gnus-request-list-newsgroups (method) - "Request the newsgroups file from METHOD." - (when (stringp method) - (setq method (gnus-server-to-method method))) - (funcall (gnus-get-function method 'request-list-newsgroups) (nth 1 method))) - -(defun gnus-request-newgroups (date method) - "Request all new groups since DATE from METHOD." - (when (stringp method) - (setq method (gnus-server-to-method method))) - (funcall (gnus-get-function method 'request-newgroups) - date (nth 1 method))) - -(defun gnus-server-opened (method) - "Check whether a connection to METHOD has been opened." - (when (stringp method) - (setq method (gnus-server-to-method method))) - (funcall (gnus-get-function method 'server-opened) (nth 1 method))) - -(defun gnus-status-message (method) - "Return the status message from METHOD. -If METHOD is a string, it is interpreted as a group name. The method -this group uses will be queried." - (let ((method (if (stringp method) (gnus-find-method-for-group method) - method))) - (funcall (gnus-get-function method 'status-message) (nth 1 method)))) - -(defun gnus-request-group (group &optional dont-check method) - "Request GROUP. If DONT-CHECK, no information is required." - (let ((method (or method (gnus-find-method-for-group group)))) - (when (stringp method) - (setq method (gnus-server-to-method method))) - (funcall (gnus-get-function method 'request-group) - (gnus-group-real-name group) (nth 1 method) dont-check))) - -(defun gnus-request-asynchronous (group &optional articles) - "Request that GROUP behave asynchronously. -ARTICLES is the `data' of the group." - (let ((method (gnus-find-method-for-group group))) - (funcall (gnus-get-function method 'request-asynchronous) - (gnus-group-real-name group) (nth 1 method) articles))) - -(defun gnus-list-active-group (group) - "Request active information on GROUP." - (let ((method (gnus-find-method-for-group group)) - (func 'list-active-group)) - (when (gnus-check-backend-function func group) - (funcall (gnus-get-function method func) - (gnus-group-real-name group) (nth 1 method))))) - -(defun gnus-request-group-description (group) - "Request a description of GROUP." - (let ((method (gnus-find-method-for-group group)) - (func 'request-group-description)) - (when (gnus-check-backend-function func group) - (funcall (gnus-get-function method func) - (gnus-group-real-name group) (nth 1 method))))) - -(defun gnus-close-group (group) - "Request the GROUP be closed." - (let ((method (gnus-find-method-for-group group))) - (funcall (gnus-get-function method 'close-group) - (gnus-group-real-name group) (nth 1 method)))) - -(defun gnus-retrieve-headers (articles group &optional fetch-old) - "Request headers for ARTICLES in GROUP. -If FETCH-OLD, retrieve all headers (or some subset thereof) in the group." - (let ((method (gnus-find-method-for-group group))) - (if (and gnus-use-cache (numberp (car articles))) - (gnus-cache-retrieve-headers articles group fetch-old) - (funcall (gnus-get-function method 'retrieve-headers) - articles (gnus-group-real-name group) (nth 1 method) - fetch-old)))) - -(defun gnus-retrieve-groups (groups method) - "Request active information on GROUPS from METHOD." - (when (stringp method) - (setq method (gnus-server-to-method method))) - (funcall (gnus-get-function method 'retrieve-groups) groups (nth 1 method))) - -(defun gnus-request-type (group &optional article) - "Return the type (`post' or `mail') of GROUP (and ARTICLE)." - (let ((method (gnus-find-method-for-group group))) - (if (not (gnus-check-backend-function 'request-type (car method))) - 'unknown - (funcall (gnus-get-function method 'request-type) - (gnus-group-real-name group) article)))) - -(defun gnus-request-update-mark (group article mark) - "Return the type (`post' or `mail') of GROUP (and ARTICLE)." - (let ((method (gnus-find-method-for-group group))) - (if (not (gnus-check-backend-function 'request-update-mark (car method))) - mark - (funcall (gnus-get-function method 'request-update-mark) - (gnus-group-real-name group) article mark)))) - -(defun gnus-request-article (article group &optional buffer) - "Request the ARTICLE in GROUP. -ARTICLE can either be an article number or an article Message-ID. -If BUFFER, insert the article in that group." - (let ((method (gnus-find-method-for-group group))) - (funcall (gnus-get-function method 'request-article) - article (gnus-group-real-name group) (nth 1 method) buffer))) - -(defun gnus-request-head (article group) - "Request the head of ARTICLE in GROUP." - (let* ((method (gnus-find-method-for-group group)) - (head (gnus-get-function method 'request-head t))) - (if (fboundp head) - (funcall head article (gnus-group-real-name group) (nth 1 method)) - (let ((res (gnus-request-article article group))) - (when res - (save-excursion - (set-buffer nntp-server-buffer) - (goto-char (point-min)) - (when (search-forward "\n\n" nil t) - (delete-region (1- (point)) (point-max))) - (nnheader-fold-continuation-lines))) - res)))) - -(defun gnus-request-body (article group) - "Request the body of ARTICLE in GROUP." - (let ((method (gnus-find-method-for-group group))) - (funcall (gnus-get-function method 'request-body) - article (gnus-group-real-name group) (nth 1 method)))) - -(defun gnus-request-post (method) - "Post the current buffer using METHOD." - (when (stringp method) - (setq method (gnus-server-to-method method))) - (funcall (gnus-get-function method 'request-post) (nth 1 method))) - -(defun gnus-request-scan (group method) - "Request a SCAN being performed in GROUP from METHOD. -If GROUP is nil, all groups on METHOD are scanned." - (let ((method (if group (gnus-find-method-for-group group) method))) - (funcall (gnus-get-function method 'request-scan) - (and group (gnus-group-real-name group)) (nth 1 method)))) - -(defsubst gnus-request-update-info (info method) - "Request that METHOD update INFO." - (when (stringp method) - (setq method (gnus-server-to-method method))) - (when (gnus-check-backend-function 'request-update-info (car method)) - (funcall (gnus-get-function method 'request-update-info) - (gnus-group-real-name (gnus-info-group info)) - info (nth 1 method)))) - -(defun gnus-request-expire-articles (articles group &optional force) - (let ((method (gnus-find-method-for-group group))) - (funcall (gnus-get-function method 'request-expire-articles) - articles (gnus-group-real-name group) (nth 1 method) - force))) - -(defun gnus-request-move-article - (article group server accept-function &optional last) - (let ((method (gnus-find-method-for-group group))) - (funcall (gnus-get-function method 'request-move-article) - article (gnus-group-real-name group) - (nth 1 method) accept-function last))) - -(defun gnus-request-accept-article (group method &optional last) - ;; Make sure there's a newline at the end of the article. - (when (stringp method) - (setq method (gnus-server-to-method method))) - (when (and (not method) - (stringp group)) - (setq method (gnus-group-name-to-method group))) - (goto-char (point-max)) - (unless (bolp) - (insert "\n")) - (let ((func (car (or method (gnus-find-method-for-group group))))) - (funcall (intern (format "%s-request-accept-article" func)) - (if (stringp group) (gnus-group-real-name group) group) - (cadr method) - last))) - -(defun gnus-request-replace-article (article group buffer) - (let ((func (car (gnus-find-method-for-group group)))) - (funcall (intern (format "%s-request-replace-article" func)) - article (gnus-group-real-name group) buffer))) - -(defun gnus-request-associate-buffer (group) - (let ((method (gnus-find-method-for-group group))) - (funcall (gnus-get-function method 'request-associate-buffer) - (gnus-group-real-name group)))) - -(defun gnus-request-restore-buffer (article group) - "Request a new buffer restored to the state of ARTICLE." - (let ((method (gnus-find-method-for-group group))) - (funcall (gnus-get-function method 'request-restore-buffer) - article (gnus-group-real-name group) (nth 1 method)))) - -(defun gnus-request-create-group (group &optional method) - (when (stringp method) - (setq method (gnus-server-to-method method))) - (let ((method (or method (gnus-find-method-for-group group)))) - (funcall (gnus-get-function method 'request-create-group) - (gnus-group-real-name group) (nth 1 method)))) - -(defun gnus-request-delete-group (group &optional force) - (let ((method (gnus-find-method-for-group group))) - (funcall (gnus-get-function method 'request-delete-group) - (gnus-group-real-name group) force (nth 1 method)))) - -(defun gnus-request-rename-group (group new-name) - (let ((method (gnus-find-method-for-group group))) - (funcall (gnus-get-function method 'request-rename-group) - (gnus-group-real-name group) - (gnus-group-real-name new-name) (nth 1 method)))) - -(defun gnus-member-of-valid (symbol group) - "Find out if GROUP has SYMBOL as part of its \"valid\" spec." - (memq symbol (assoc - (symbol-name (car (gnus-find-method-for-group group))) - gnus-valid-select-methods))) - -(defun gnus-method-option-p (method option) - "Return non-nil if select METHOD has OPTION as a parameter." - (when (stringp method) - (setq method (gnus-server-to-method method))) - (memq option (assoc (format "%s" (car method)) - gnus-valid-select-methods))) - -(defun gnus-server-extend-method (group method) - ;; This function "extends" a virtual server. If the server is - ;; "hello", and the select method is ("hello" (my-var "something")) - ;; in the group "alt.alt", this will result in a new virtual server - ;; called "hello+alt.alt". - (let ((entry - (gnus-copy-sequence - (if (equal (car method) "native") gnus-select-method - (cdr (assoc (car method) gnus-server-alist)))))) - (setcar (cdr entry) (concat (nth 1 entry) "+" group)) - (nconc entry (cdr method)))) - -(defun gnus-server-status (method) - "Return the status of METHOD." - (nth 1 (assoc method gnus-opened-servers))) - -(defun gnus-group-name-to-method (group) - "Return a select method suitable for GROUP." - (if (string-match ":" group) - (let ((server (substring group 0 (match-beginning 0)))) - (if (string-match "\\+" server) - (list (intern (substring server 0 (match-beginning 0))) - (substring server (match-end 0))) - (list (intern server) ""))) - gnus-select-method)) - -(defun gnus-find-method-for-group (group &optional info) - "Find the select method that GROUP uses." - (or gnus-override-method - (and (not group) - gnus-select-method) - (let ((info (or info (gnus-get-info group))) - method) - (if (or (not info) - (not (setq method (gnus-info-method info))) - (equal method "native")) - gnus-select-method - (setq method - (cond ((stringp method) - (gnus-server-to-method method)) - ((stringp (car method)) - (gnus-server-extend-method group method)) - (t - method))) - (cond ((equal (cadr method) "") - method) - ((null (cadr method)) - (list (car method) "")) - (t - (gnus-server-add-address method))))))) - -(defun gnus-check-backend-function (func group) - "Check whether GROUP supports function FUNC." - (let ((method (if (stringp group) (car (gnus-find-method-for-group group)) - group))) - (fboundp (intern (format "%s-%s" method func))))) - -(defun gnus-methods-using (feature) - "Find all methods that have FEATURE." - (let ((valids gnus-valid-select-methods) - outs) - (while valids - (if (memq feature (car valids)) - (setq outs (cons (car valids) outs))) - (setq valids (cdr valids))) - outs)) - - -;;; -;;; Active & Newsrc File Handling -;;; - -(defun gnus-setup-news (&optional rawfile level dont-connect) - "Setup news information. -If RAWFILE is non-nil, the .newsrc file will also be read. -If LEVEL is non-nil, the news will be set up at level LEVEL." - (let ((init (not (and gnus-newsrc-alist gnus-active-hashtb (not rawfile))))) - - (when init - ;; Clear some variables to re-initialize news information. - (setq gnus-newsrc-alist nil - gnus-active-hashtb nil) - ;; Read the newsrc file and create `gnus-newsrc-hashtb'. - (gnus-read-newsrc-file rawfile)) - - (when (and (not (assoc "archive" gnus-server-alist)) - (gnus-archive-server-wanted-p)) - (push (cons "archive" gnus-message-archive-method) - gnus-server-alist)) - - ;; If we don't read the complete active file, we fill in the - ;; hashtb here. - (if (or (null gnus-read-active-file) - (eq gnus-read-active-file 'some)) - (gnus-update-active-hashtb-from-killed)) - - ;; Read the active file and create `gnus-active-hashtb'. - ;; If `gnus-read-active-file' is nil, then we just create an empty - ;; hash table. The partial filling out of the hash table will be - ;; done in `gnus-get-unread-articles'. - (and gnus-read-active-file - (not level) - (gnus-read-active-file)) - - (or gnus-active-hashtb - (setq gnus-active-hashtb (make-vector 4095 0))) - - ;; Initialize the cache. - (when gnus-use-cache - (gnus-cache-open)) - - ;; Possibly eval the dribble file. - (and init (or gnus-use-dribble-file gnus-slave) (gnus-dribble-eval-file)) - - ;; Slave Gnusii should then clear the dribble buffer. - (when (and init gnus-slave) - (gnus-dribble-clear)) - - (gnus-update-format-specifications) - - ;; See whether we need to read the description file. - (if (and (string-match "%[-,0-9]*D" gnus-group-line-format) - (not gnus-description-hashtb) - (not dont-connect) - gnus-read-active-file) - (gnus-read-all-descriptions-files)) - - ;; Find new newsgroups and treat them. - (if (and init gnus-check-new-newsgroups (not level) - (gnus-check-server gnus-select-method)) - (gnus-find-new-newsgroups)) - - ;; We might read in new NoCeM messages here. - (when (and gnus-use-nocem - (not level) - (not dont-connect)) - (gnus-nocem-scan-groups)) - - ;; Find the number of unread articles in each non-dead group. - (let ((gnus-read-active-file (and (not level) gnus-read-active-file))) - (gnus-get-unread-articles level)) - - (if (and init gnus-check-bogus-newsgroups - gnus-read-active-file (not level) - (gnus-server-opened gnus-select-method)) - (gnus-check-bogus-newsgroups)))) - -(defun gnus-find-new-newsgroups (&optional arg) - "Search for new newsgroups and add them. -Each new newsgroup will be treated with `gnus-subscribe-newsgroup-method.' -The `-n' option line from .newsrc is respected. -If ARG (the prefix), use the `ask-server' method to query -the server for new groups." - (interactive "P") - (let ((check (if (or (and arg (not (listp gnus-check-new-newsgroups))) - (null gnus-read-active-file) - (eq gnus-read-active-file 'some)) - 'ask-server gnus-check-new-newsgroups))) - (unless (gnus-check-first-time-used) - (if (or (consp check) - (eq check 'ask-server)) - ;; Ask the server for new groups. - (gnus-ask-server-for-new-groups) - ;; Go through the active hashtb and look for new groups. - (let ((groups 0) - group new-newsgroups) - (gnus-message 5 "Looking for new newsgroups...") - (unless gnus-have-read-active-file - (gnus-read-active-file)) - (setq gnus-newsrc-last-checked-date (current-time-string)) - (unless gnus-killed-hashtb - (gnus-make-hashtable-from-killed)) - ;; Go though every newsgroup in `gnus-active-hashtb' and compare - ;; with `gnus-newsrc-hashtb' and `gnus-killed-hashtb'. - (mapatoms - (lambda (sym) - (if (or (null (setq group (symbol-name sym))) - (not (boundp sym)) - (null (symbol-value sym)) - (gnus-gethash group gnus-killed-hashtb) - (gnus-gethash group gnus-newsrc-hashtb)) - () - (let ((do-sub (gnus-matches-options-n group))) - (cond - ((eq do-sub 'subscribe) - (setq groups (1+ groups)) - (gnus-sethash group group gnus-killed-hashtb) - (funcall gnus-subscribe-options-newsgroup-method group)) - ((eq do-sub 'ignore) - nil) - (t - (setq groups (1+ groups)) - (gnus-sethash group group gnus-killed-hashtb) - (if gnus-subscribe-hierarchical-interactive - (setq new-newsgroups (cons group new-newsgroups)) - (funcall gnus-subscribe-newsgroup-method group))))))) - gnus-active-hashtb) - (when new-newsgroups - (gnus-subscribe-hierarchical-interactive new-newsgroups)) - ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>. - (if (> groups 0) - (gnus-message 6 "%d new newsgroup%s arrived." - groups (if (> groups 1) "s have" " has")) - (gnus-message 6 "No new newsgroups."))))))) - -(defun gnus-matches-options-n (group) - ;; Returns `subscribe' if the group is to be unconditionally - ;; subscribed, `ignore' if it is to be ignored, and nil if there is - ;; no match for the group. - - ;; First we check the two user variables. - (cond - ((and gnus-options-subscribe - (string-match gnus-options-subscribe group)) - 'subscribe) - ((and gnus-auto-subscribed-groups - (string-match gnus-auto-subscribed-groups group)) - 'subscribe) - ((and gnus-options-not-subscribe - (string-match gnus-options-not-subscribe group)) - 'ignore) - ;; Then we go through the list that was retrieved from the .newsrc - ;; file. This list has elements on the form - ;; `(REGEXP . {ignore,subscribe})'. The first match found (the list - ;; is in the reverse order of the options line) is returned. - (t - (let ((regs gnus-newsrc-options-n)) - (while (and regs - (not (string-match (caar regs) group))) - (setq regs (cdr regs))) - (and regs (cdar regs)))))) - -(defun gnus-ask-server-for-new-groups () - (let* ((date (or gnus-newsrc-last-checked-date (current-time-string))) - (methods (cons gnus-select-method - (nconc - (when (gnus-archive-server-wanted-p) - (list "archive")) - (append - (and (consp gnus-check-new-newsgroups) - gnus-check-new-newsgroups) - gnus-secondary-select-methods)))) - (groups 0) - (new-date (current-time-string)) - group new-newsgroups got-new method hashtb - gnus-override-subscribe-method) - ;; Go through both primary and secondary select methods and - ;; request new newsgroups. - (while (setq method (gnus-server-get-method nil (pop methods))) - (setq new-newsgroups nil) - (setq gnus-override-subscribe-method method) - (when (and (gnus-check-server method) - (gnus-request-newgroups date method)) - (save-excursion - (setq got-new t) - (setq hashtb (gnus-make-hashtable 100)) - (set-buffer nntp-server-buffer) - ;; Enter all the new groups into a hashtable. - (gnus-active-to-gnus-format method hashtb 'ignore)) - ;; Now all new groups from `method' are in `hashtb'. - (mapatoms - (lambda (group-sym) - (if (or (null (setq group (symbol-name group-sym))) - (not (boundp group-sym)) - (null (symbol-value group-sym)) - (gnus-gethash group gnus-newsrc-hashtb) - (member group gnus-zombie-list) - (member group gnus-killed-list)) - ;; The group is already known. - () - ;; Make this group active. - (when (symbol-value group-sym) - (gnus-set-active group (symbol-value group-sym))) - ;; Check whether we want it or not. - (let ((do-sub (gnus-matches-options-n group))) - (cond - ((eq do-sub 'subscribe) - (incf groups) - (gnus-sethash group group gnus-killed-hashtb) - (funcall gnus-subscribe-options-newsgroup-method group)) - ((eq do-sub 'ignore) - nil) - (t - (incf groups) - (gnus-sethash group group gnus-killed-hashtb) - (if gnus-subscribe-hierarchical-interactive - (push group new-newsgroups) - (funcall gnus-subscribe-newsgroup-method group))))))) - hashtb)) - (when new-newsgroups - (gnus-subscribe-hierarchical-interactive new-newsgroups))) - ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>. - (when (> groups 0) - (gnus-message 6 "%d new newsgroup%s arrived." - groups (if (> groups 1) "s have" " has"))) - (and got-new (setq gnus-newsrc-last-checked-date new-date)) - got-new)) - -(defun gnus-check-first-time-used () - (if (or (> (length gnus-newsrc-alist) 1) - (file-exists-p gnus-startup-file) - (file-exists-p (concat gnus-startup-file ".el")) - (file-exists-p (concat gnus-startup-file ".eld"))) - nil - (gnus-message 6 "First time user; subscribing you to default groups") - (unless (gnus-read-active-file-p) - (gnus-read-active-file)) - (setq gnus-newsrc-last-checked-date (current-time-string)) - (let ((groups gnus-default-subscribed-newsgroups) - group) - (if (eq groups t) - nil - (setq groups (or groups gnus-backup-default-subscribed-newsgroups)) - (mapatoms - (lambda (sym) - (if (null (setq group (symbol-name sym))) - () - (let ((do-sub (gnus-matches-options-n group))) - (cond - ((eq do-sub 'subscribe) - (gnus-sethash group group gnus-killed-hashtb) - (funcall gnus-subscribe-options-newsgroup-method group)) - ((eq do-sub 'ignore) - nil) - (t - (setq gnus-killed-list (cons group gnus-killed-list))))))) - gnus-active-hashtb) - (while groups - (if (gnus-active (car groups)) - (gnus-group-change-level - (car groups) gnus-level-default-subscribed gnus-level-killed)) - (setq groups (cdr groups))) - (gnus-group-make-help-group) - (and gnus-novice-user - (gnus-message 7 "`A k' to list killed groups")))))) - -(defun gnus-subscribe-group (group previous &optional method) - (gnus-group-change-level - (if method - (list t group gnus-level-default-subscribed nil nil method) - group) - gnus-level-default-subscribed gnus-level-killed previous t)) - -;; `gnus-group-change-level' is the fundamental function for changing -;; subscription levels of newsgroups. This might mean just changing -;; from level 1 to 2, which is pretty trivial, from 2 to 6 or back -;; again, which subscribes/unsubscribes a group, which is equally -;; trivial. Changing from 1-7 to 8-9 means that you kill a group, and -;; from 8-9 to 1-7 means that you remove the group from the list of -;; killed (or zombie) groups and add them to the (kinda) subscribed -;; groups. And last but not least, moving from 8 to 9 and 9 to 8, -;; which is trivial. -;; ENTRY can either be a string (newsgroup name) or a list (if -;; FROMKILLED is t, it's a list on the format (NUM INFO-LIST), -;; otherwise it's a list in the format of the `gnus-newsrc-hashtb' -;; entries. -;; LEVEL is the new level of the group, OLDLEVEL is the old level and -;; PREVIOUS is the group (in hashtb entry format) to insert this group -;; after. -(defun gnus-group-change-level (entry level &optional oldlevel - previous fromkilled) - (let (group info active num) - ;; Glean what info we can from the arguments - (if (consp entry) - (if fromkilled (setq group (nth 1 entry)) - (setq group (car (nth 2 entry)))) - (setq group entry)) - (if (and (stringp entry) - oldlevel - (< oldlevel gnus-level-zombie)) - (setq entry (gnus-gethash entry gnus-newsrc-hashtb))) - (if (and (not oldlevel) - (consp entry)) - (setq oldlevel (gnus-info-level (nth 2 entry))) - (setq oldlevel (or oldlevel 9))) - (if (stringp previous) - (setq previous (gnus-gethash previous gnus-newsrc-hashtb))) - - (if (and (>= oldlevel gnus-level-zombie) - (gnus-gethash group gnus-newsrc-hashtb)) - ;; We are trying to subscribe a group that is already - ;; subscribed. - () ; Do nothing. - - (or (gnus-ephemeral-group-p group) - (gnus-dribble-enter - (format "(gnus-group-change-level %S %S %S %S %S)" - group level oldlevel (car (nth 2 previous)) fromkilled))) - - ;; Then we remove the newgroup from any old structures, if needed. - ;; If the group was killed, we remove it from the killed or zombie - ;; list. If not, and it is in fact going to be killed, we remove - ;; it from the newsrc hash table and assoc. - (cond - ((>= oldlevel gnus-level-zombie) - (if (= oldlevel gnus-level-zombie) - (setq gnus-zombie-list (delete group gnus-zombie-list)) - (setq gnus-killed-list (delete group gnus-killed-list)))) - (t - (if (and (>= level gnus-level-zombie) - entry) - (progn - (gnus-sethash (car (nth 2 entry)) nil gnus-newsrc-hashtb) - (if (nth 3 entry) - (setcdr (gnus-gethash (car (nth 3 entry)) - gnus-newsrc-hashtb) - (cdr entry))) - (setcdr (cdr entry) (cdddr entry)))))) - - ;; Finally we enter (if needed) the list where it is supposed to - ;; go, and change the subscription level. If it is to be killed, - ;; we enter it into the killed or zombie list. - (cond - ((>= level gnus-level-zombie) - ;; Remove from the hash table. - (gnus-sethash group nil gnus-newsrc-hashtb) - ;; We do not enter foreign groups into the list of dead - ;; groups. - (unless (gnus-group-foreign-p group) - (if (= level gnus-level-zombie) - (setq gnus-zombie-list (cons group gnus-zombie-list)) - (setq gnus-killed-list (cons group gnus-killed-list))))) - (t - ;; If the list is to be entered into the newsrc assoc, and - ;; it was killed, we have to create an entry in the newsrc - ;; hashtb format and fix the pointers in the newsrc assoc. - (if (< oldlevel gnus-level-zombie) - ;; It was alive, and it is going to stay alive, so we - ;; just change the level and don't change any pointers or - ;; hash table entries. - (setcar (cdaddr entry) level) - (if (listp entry) - (setq info (cdr entry) - num (car entry)) - (setq active (gnus-active group)) - (setq num - (if active (- (1+ (cdr active)) (car active)) t)) - ;; Check whether the group is foreign. If so, the - ;; foreign select method has to be entered into the - ;; info. - (let ((method (or gnus-override-subscribe-method - (gnus-group-method group)))) - (if (eq method gnus-select-method) - (setq info (list group level nil)) - (setq info (list group level nil nil method))))) - (unless previous - (setq previous - (let ((p gnus-newsrc-alist)) - (while (cddr p) - (setq p (cdr p))) - p))) - (setq entry (cons info (cddr previous))) - (if (cdr previous) - (progn - (setcdr (cdr previous) entry) - (gnus-sethash group (cons num (cdr previous)) - gnus-newsrc-hashtb)) - (setcdr previous entry) - (gnus-sethash group (cons num previous) - gnus-newsrc-hashtb)) - (when (cdr entry) - (setcdr (gnus-gethash (caadr entry) gnus-newsrc-hashtb) entry))))) - (when gnus-group-change-level-function - (funcall gnus-group-change-level-function group level oldlevel))))) - -(defun gnus-kill-newsgroup (newsgroup) - "Obsolete function. Kills a newsgroup." - (gnus-group-change-level - (gnus-gethash newsgroup gnus-newsrc-hashtb) gnus-level-killed)) - -(defun gnus-check-bogus-newsgroups (&optional confirm) - "Remove bogus newsgroups. -If CONFIRM is non-nil, the user has to confirm the deletion of every -newsgroup." - (let ((newsrc (cdr gnus-newsrc-alist)) - bogus group entry info) - (gnus-message 5 "Checking bogus newsgroups...") - (unless (gnus-read-active-file-p) - (gnus-read-active-file)) - (when (gnus-read-active-file-p) - ;; Find all bogus newsgroup that are subscribed. - (while newsrc - (setq info (pop newsrc) - group (gnus-info-group info)) - (unless (or (gnus-active group) ; Active - (gnus-info-method info) ; Foreign - (and confirm - (not (gnus-y-or-n-p - (format "Remove bogus newsgroup: %s " group))))) - ;; Found a bogus newsgroup. - (push group bogus))) - ;; Remove all bogus subscribed groups by first killing them, and - ;; then removing them from the list of killed groups. - (while bogus - (when (setq entry (gnus-gethash (setq group (pop bogus)) - gnus-newsrc-hashtb)) - (gnus-group-change-level entry gnus-level-killed) - (setq gnus-killed-list (delete group gnus-killed-list)))) - ;; Then we remove all bogus groups from the list of killed and - ;; zombie groups. They are are removed without confirmation. - (let ((dead-lists '(gnus-killed-list gnus-zombie-list)) - killed) - (while dead-lists - (setq killed (symbol-value (car dead-lists))) - (while killed - (unless (gnus-active (setq group (pop killed))) - ;; The group is bogus. - ;; !!!Slow as hell. - (set (car dead-lists) - (delete group (symbol-value (car dead-lists)))))) - (setq dead-lists (cdr dead-lists)))) - (gnus-message 5 "Checking bogus newsgroups...done")))) - -(defun gnus-check-duplicate-killed-groups () - "Remove duplicates from the list of killed groups." - (interactive) - (let ((killed gnus-killed-list)) - (while killed - (gnus-message 9 "%d" (length killed)) - (setcdr killed (delete (car killed) (cdr killed))) - (setq killed (cdr killed))))) - -;; We want to inline a function from gnus-cache, so we cheat here: -(eval-when-compile - (provide 'gnus) - (setq gnus-directory (or (getenv "SAVEDIR") "~/News/")) - (require 'gnus-cache)) - -(defun gnus-get-unread-articles-in-group (info active &optional update) - (when active - ;; Allow the backend to update the info in the group. - (when (and update - (gnus-request-update-info - info (gnus-find-method-for-group (gnus-info-group info)))) - (gnus-activate-group (gnus-info-group info) nil t)) - (let* ((range (gnus-info-read info)) - (num 0)) - ;; If a cache is present, we may have to alter the active info. - (when (and gnus-use-cache info) - (inline (gnus-cache-possibly-alter-active - (gnus-info-group info) active))) - ;; Modify the list of read articles according to what articles - ;; are available; then tally the unread articles and add the - ;; number to the group hash table entry. - (cond - ((zerop (cdr active)) - (setq num 0)) - ((not range) - (setq num (- (1+ (cdr active)) (car active)))) - ((not (listp (cdr range))) - ;; Fix a single (num . num) range according to the - ;; active hash table. - ;; Fix by Carsten Bormann <cabo@Informatik.Uni-Bremen.DE>. - (and (< (cdr range) (car active)) (setcdr range (1- (car active)))) - (and (> (cdr range) (cdr active)) (setcdr range (cdr active))) - ;; Compute number of unread articles. - (setq num (max 0 (- (cdr active) (- (1+ (cdr range)) (car range)))))) - (t - ;; The read list is a list of ranges. Fix them according to - ;; the active hash table. - ;; First peel off any elements that are below the lower - ;; active limit. - (while (and (cdr range) - (>= (car active) - (or (and (atom (cadr range)) (cadr range)) - (caadr range)))) - (if (numberp (car range)) - (setcar range - (cons (car range) - (or (and (numberp (cadr range)) - (cadr range)) - (cdadr range)))) - (setcdr (car range) - (or (and (numberp (nth 1 range)) (nth 1 range)) - (cdadr range)))) - (setcdr range (cddr range))) - ;; Adjust the first element to be the same as the lower limit. - (if (and (not (atom (car range))) - (< (cdar range) (car active))) - (setcdr (car range) (1- (car active)))) - ;; Then we want to peel off any elements that are higher - ;; than the upper active limit. - (let ((srange range)) - ;; Go past all legal elements. - (while (and (cdr srange) - (<= (or (and (atom (cadr srange)) - (cadr srange)) - (caadr srange)) (cdr active))) - (setq srange (cdr srange))) - (if (cdr srange) - ;; Nuke all remaining illegal elements. - (setcdr srange nil)) - - ;; Adjust the final element. - (if (and (not (atom (car srange))) - (> (cdar srange) (cdr active))) - (setcdr (car srange) (cdr active)))) - ;; Compute the number of unread articles. - (while range - (setq num (+ num (- (1+ (or (and (atom (car range)) (car range)) - (cdar range))) - (or (and (atom (car range)) (car range)) - (caar range))))) - (setq range (cdr range))) - (setq num (max 0 (- (cdr active) num))))) - ;; Set the number of unread articles. - (when info - (setcar (gnus-gethash (gnus-info-group info) gnus-newsrc-hashtb) num)) - num))) - -;; Go though `gnus-newsrc-alist' and compare with `gnus-active-hashtb' -;; and compute how many unread articles there are in each group. -(defun gnus-get-unread-articles (&optional level) - (let* ((newsrc (cdr gnus-newsrc-alist)) - (level (or level gnus-activate-level (1+ gnus-level-subscribed))) - (foreign-level - (min - (cond ((and gnus-activate-foreign-newsgroups - (not (numberp gnus-activate-foreign-newsgroups))) - (1+ gnus-level-subscribed)) - ((numberp gnus-activate-foreign-newsgroups) - gnus-activate-foreign-newsgroups) - (t 0)) - level)) - info group active method) - (gnus-message 5 "Checking new news...") - - (while newsrc - (setq active (gnus-active (setq group (gnus-info-group - (setq info (pop newsrc)))))) - - ;; Check newsgroups. If the user doesn't want to check them, or - ;; they can't be checked (for instance, if the news server can't - ;; be reached) we just set the number of unread articles in this - ;; newsgroup to t. This means that Gnus thinks that there are - ;; unread articles, but it has no idea how many. - (if (and (setq method (gnus-info-method info)) - (not (gnus-server-equal - gnus-select-method - (setq method (gnus-server-get-method nil method)))) - (not (gnus-secondary-method-p method))) - ;; These groups are foreign. Check the level. - (when (<= (gnus-info-level info) foreign-level) - (setq active (gnus-activate-group group 'scan)) - (unless (inline (gnus-virtual-group-p group)) - (inline (gnus-close-group group))) - (when (fboundp (intern (concat (symbol-name (car method)) - "-request-update-info"))) - (inline (gnus-request-update-info info method)))) - ;; These groups are native or secondary. - (when (and (<= (gnus-info-level info) level) - (not gnus-read-active-file)) - (setq active (gnus-activate-group group 'scan)) - (inline (gnus-close-group group)))) - - ;; Get the number of unread articles in the group. - (if active - (inline (gnus-get-unread-articles-in-group info active)) - ;; The group couldn't be reached, so we nix out the number of - ;; unread articles and stuff. - (gnus-set-active group nil) - (setcar (gnus-gethash group gnus-newsrc-hashtb) t))) - - (gnus-message 5 "Checking new news...done"))) - -;; Create a hash table out of the newsrc alist. The `car's of the -;; alist elements are used as keys. -(defun gnus-make-hashtable-from-newsrc-alist () - (let ((alist gnus-newsrc-alist) - (ohashtb gnus-newsrc-hashtb) - prev) - (setq gnus-newsrc-hashtb (gnus-make-hashtable (length alist))) - (setq alist - (setq prev (setq gnus-newsrc-alist - (if (equal (caar gnus-newsrc-alist) - "dummy.group") - gnus-newsrc-alist - (cons (list "dummy.group" 0 nil) alist))))) - (while alist - (gnus-sethash - (caar alist) - (cons (and ohashtb (car (gnus-gethash (caar alist) ohashtb))) - prev) - gnus-newsrc-hashtb) - (setq prev alist - alist (cdr alist))))) - -(defun gnus-make-hashtable-from-killed () - "Create a hash table from the killed and zombie lists." - (let ((lists '(gnus-killed-list gnus-zombie-list)) - list) - (setq gnus-killed-hashtb - (gnus-make-hashtable - (+ (length gnus-killed-list) (length gnus-zombie-list)))) - (while (setq list (pop lists)) - (setq list (symbol-value list)) - (while list - (gnus-sethash (car list) (pop list) gnus-killed-hashtb))))) - -(defun gnus-activate-group (group &optional scan dont-check method) - ;; Check whether a group has been activated or not. - ;; If SCAN, request a scan of that group as well. - (let ((method (or method (gnus-find-method-for-group group))) - active) - (and (gnus-check-server method) - ;; We escape all bugs and quit here to make it possible to - ;; continue if a group is so out-there that it reports bugs - ;; and stuff. - (progn - (and scan - (gnus-check-backend-function 'request-scan (car method)) - (gnus-request-scan group method)) - t) - (condition-case () - (gnus-request-group group dont-check method) - ; (error nil) - (quit nil)) - (save-excursion - (set-buffer nntp-server-buffer) - (goto-char (point-min)) - ;; Parse the result we got from `gnus-request-group'. - (and (looking-at "[0-9]+ [0-9]+ \\([0-9]+\\) [0-9]+") - (progn - (goto-char (match-beginning 1)) - (gnus-set-active - group (setq active (cons (read (current-buffer)) - (read (current-buffer))))) - ;; Return the new active info. - active)))))) - -(defun gnus-update-read-articles (group unread) - "Update the list of read and ticked articles in GROUP using the -UNREAD and TICKED lists. -Note: UNSELECTED has to be sorted over `<'. -Returns whether the updating was successful." - (let* ((active (or gnus-newsgroup-active (gnus-active group))) - (entry (gnus-gethash group gnus-newsrc-hashtb)) - (info (nth 2 entry)) - (prev 1) - (unread (sort (copy-sequence unread) '<)) - read) - (if (or (not info) (not active)) - ;; There is no info on this group if it was, in fact, - ;; killed. Gnus stores no information on killed groups, so - ;; there's nothing to be done. - ;; One could store the information somewhere temporarily, - ;; perhaps... Hmmm... - () - ;; Remove any negative articles numbers. - (while (and unread (< (car unread) 0)) - (setq unread (cdr unread))) - ;; Remove any expired article numbers - (while (and unread (< (car unread) (car active))) - (setq unread (cdr unread))) - ;; Compute the ranges of read articles by looking at the list of - ;; unread articles. - (while unread - (if (/= (car unread) prev) - (setq read (cons (if (= prev (1- (car unread))) prev - (cons prev (1- (car unread)))) read))) - (setq prev (1+ (car unread))) - (setq unread (cdr unread))) - (when (<= prev (cdr active)) - (setq read (cons (cons prev (cdr active)) read))) - ;; Enter this list into the group info. - (gnus-info-set-read - info (if (> (length read) 1) (nreverse read) read)) - ;; Set the number of unread articles in gnus-newsrc-hashtb. - (gnus-get-unread-articles-in-group info (gnus-active group)) - t))) - -(defun gnus-make-articles-unread (group articles) - "Mark ARTICLES in GROUP as unread." - (let* ((info (nth 2 (or (gnus-gethash group gnus-newsrc-hashtb) - (gnus-gethash (gnus-group-real-name group) - gnus-newsrc-hashtb)))) - (ranges (gnus-info-read info)) - news article) - (while articles - (when (gnus-member-of-range - (setq article (pop articles)) ranges) - (setq news (cons article news)))) - (when news - (gnus-info-set-read - info (gnus-remove-from-range (gnus-info-read info) (nreverse news))) - (gnus-group-update-group group t)))) - -;; Enter all dead groups into the hashtb. -(defun gnus-update-active-hashtb-from-killed () - (let ((hashtb (setq gnus-active-hashtb (make-vector 4095 0))) - (lists (list gnus-killed-list gnus-zombie-list)) - killed) - (while lists - (setq killed (car lists)) - (while killed - (gnus-sethash (car killed) nil hashtb) - (setq killed (cdr killed))) - (setq lists (cdr lists))))) - -(defun gnus-get-killed-groups () - "Go through the active hashtb and all all unknown groups as killed." - ;; First make sure active file has been read. - (unless (gnus-read-active-file-p) - (let ((gnus-read-active-file t)) - (gnus-read-active-file))) - (or gnus-killed-hashtb (gnus-make-hashtable-from-killed)) - ;; Go through all newsgroups that are known to Gnus - enlarge kill list. - (mapatoms - (lambda (sym) - (let ((groups 0) - (group (symbol-name sym))) - (if (or (null group) - (gnus-gethash group gnus-killed-hashtb) - (gnus-gethash group gnus-newsrc-hashtb)) - () - (let ((do-sub (gnus-matches-options-n group))) - (if (or (eq do-sub 'subscribe) (eq do-sub 'ignore)) - () - (setq groups (1+ groups)) - (setq gnus-killed-list - (cons group gnus-killed-list)) - (gnus-sethash group group gnus-killed-hashtb)))))) - gnus-active-hashtb)) - -;; Get the active file(s) from the backend(s). -(defun gnus-read-active-file () - (gnus-group-set-mode-line) - (let ((methods - (append - (if (gnus-check-server gnus-select-method) - ;; The native server is available. - (cons gnus-select-method gnus-secondary-select-methods) - ;; The native server is down, so we just do the - ;; secondary ones. - gnus-secondary-select-methods) - ;; Also read from the archive server. - (when (gnus-archive-server-wanted-p) - (list "archive")))) - list-type) - (setq gnus-have-read-active-file nil) - (save-excursion - (set-buffer nntp-server-buffer) - (while methods - (let* ((method (if (stringp (car methods)) - (gnus-server-get-method nil (car methods)) - (car methods))) - (where (nth 1 method)) - (mesg (format "Reading active file%s via %s..." - (if (and where (not (zerop (length where)))) - (concat " from " where) "") - (car method)))) - (gnus-message 5 mesg) - (when (gnus-check-server method) - ;; Request that the backend scan its incoming messages. - (and (gnus-check-backend-function 'request-scan (car method)) - (gnus-request-scan nil method)) - (cond - ((and (eq gnus-read-active-file 'some) - (gnus-check-backend-function 'retrieve-groups (car method))) - (let ((newsrc (cdr gnus-newsrc-alist)) - (gmethod (gnus-server-get-method nil method)) - groups info) - (while (setq info (pop newsrc)) - (when (gnus-server-equal - (gnus-find-method-for-group - (gnus-info-group info) info) - gmethod) - (push (gnus-group-real-name (gnus-info-group info)) - groups))) - (when groups - (gnus-check-server method) - (setq list-type (gnus-retrieve-groups groups method)) - (cond - ((not list-type) - (gnus-error - 1.2 "Cannot read partial active file from %s server." - (car method))) - ((eq list-type 'active) - (gnus-active-to-gnus-format method gnus-active-hashtb)) - (t - (gnus-groups-to-gnus-format method gnus-active-hashtb)))))) - (t - (if (not (gnus-request-list method)) - (unless (equal method gnus-message-archive-method) - (gnus-error 1 "Cannot read active file from %s server." - (car method))) - (gnus-message 5 mesg) - (gnus-active-to-gnus-format method gnus-active-hashtb) - ;; We mark this active file as read. - (push method gnus-have-read-active-file) - (gnus-message 5 "%sdone" mesg)))))) - (setq methods (cdr methods)))))) - -;; Read an active file and place the results in `gnus-active-hashtb'. -(defun gnus-active-to-gnus-format (&optional method hashtb ignore-errors) - (unless method - (setq method gnus-select-method)) - (let ((cur (current-buffer)) - (hashtb (or hashtb - (if (and gnus-active-hashtb - (not (equal method gnus-select-method))) - gnus-active-hashtb - (setq gnus-active-hashtb - (if (equal method gnus-select-method) - (gnus-make-hashtable - (count-lines (point-min) (point-max))) - (gnus-make-hashtable 4096))))))) - ;; Delete unnecessary lines. - (goto-char (point-min)) - (while (search-forward "\nto." nil t) - (delete-region (1+ (match-beginning 0)) - (progn (forward-line 1) (point)))) - (or (string= gnus-ignored-newsgroups "") - (progn - (goto-char (point-min)) - (delete-matching-lines gnus-ignored-newsgroups))) - ;; Make the group names readable as a lisp expression even if they - ;; contain special characters. - ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>. - (goto-char (point-max)) - (while (re-search-backward "[][';?()#]" nil t) - (insert ?\\)) - ;; If these are groups from a foreign select method, we insert the - ;; group prefix in front of the group names. - (and method (not (gnus-server-equal - (gnus-server-get-method nil method) - (gnus-server-get-method nil gnus-select-method))) - (let ((prefix (gnus-group-prefixed-name "" method))) - (goto-char (point-min)) - (while (and (not (eobp)) - (progn (insert prefix) - (zerop (forward-line 1))))))) - ;; Store the active file in a hash table. - (goto-char (point-min)) - (if (string-match "%[oO]" gnus-group-line-format) - ;; Suggested by Brian Edmonds <edmonds@cs.ubc.ca>. - ;; If we want information on moderated groups, we use this - ;; loop... - (let* ((mod-hashtb (make-vector 7 0)) - (m (intern "m" mod-hashtb)) - group max min) - (while (not (eobp)) - (condition-case nil - (progn - (narrow-to-region (point) (gnus-point-at-eol)) - (setq group (let ((obarray hashtb)) (read cur))) - (if (and (numberp (setq max (read cur))) - (numberp (setq min (read cur))) - (progn - (skip-chars-forward " \t") - (not - (or (= (following-char) ?=) - (= (following-char) ?x) - (= (following-char) ?j))))) - (set group (cons min max)) - (set group nil)) - ;; Enter moderated groups into a list. - (if (eq (let ((obarray mod-hashtb)) (read cur)) m) - (setq gnus-moderated-list - (cons (symbol-name group) gnus-moderated-list)))) - (error - (and group - (symbolp group) - (set group nil)))) - (widen) - (forward-line 1))) - ;; And if we do not care about moderation, we use this loop, - ;; which is faster. - (let (group max min) - (while (not (eobp)) - (condition-case () - (progn - (narrow-to-region (point) (gnus-point-at-eol)) - ;; group gets set to a symbol interned in the hash table - ;; (what a hack!!) - jwz - (setq group (let ((obarray hashtb)) (read cur))) - (if (and (numberp (setq max (read cur))) - (numberp (setq min (read cur))) - (progn - (skip-chars-forward " \t") - (not - (or (= (following-char) ?=) - (= (following-char) ?x) - (= (following-char) ?j))))) - (set group (cons min max)) - (set group nil))) - (error - (progn - (and group - (symbolp group) - (set group nil)) - (or ignore-errors - (gnus-message 3 "Warning - illegal active: %s" - (buffer-substring - (gnus-point-at-bol) (gnus-point-at-eol))))))) - (widen) - (forward-line 1)))))) - -(defun gnus-groups-to-gnus-format (method &optional hashtb) - ;; Parse a "groups" active file. - (let ((cur (current-buffer)) - (hashtb (or hashtb - (if (and method gnus-active-hashtb) - gnus-active-hashtb - (setq gnus-active-hashtb - (gnus-make-hashtable - (count-lines (point-min) (point-max))))))) - (prefix (and method - (not (gnus-server-equal - (gnus-server-get-method nil method) - (gnus-server-get-method nil gnus-select-method))) - (gnus-group-prefixed-name "" method)))) - - (goto-char (point-min)) - ;; We split this into to separate loops, one with the prefix - ;; and one without to speed the reading up somewhat. - (if prefix - (let (min max opoint group) - (while (not (eobp)) - (condition-case () - (progn - (read cur) (read cur) - (setq min (read cur) - max (read cur) - opoint (point)) - (skip-chars-forward " \t") - (insert prefix) - (goto-char opoint) - (set (let ((obarray hashtb)) (read cur)) - (cons min max))) - (error (and group (symbolp group) (set group nil)))) - (forward-line 1))) - (let (min max group) - (while (not (eobp)) - (condition-case () - (if (= (following-char) ?2) - (progn - (read cur) (read cur) - (setq min (read cur) - max (read cur)) - (set (setq group (let ((obarray hashtb)) (read cur))) - (cons min max)))) - (error (and group (symbolp group) (set group nil)))) - (forward-line 1)))))) - -(defun gnus-read-newsrc-file (&optional force) - "Read startup file. -If FORCE is non-nil, the .newsrc file is read." - ;; Reset variables that might be defined in the .newsrc.eld file. - (let ((variables gnus-variable-list)) - (while variables - (set (car variables) nil) - (setq variables (cdr variables)))) - (let* ((newsrc-file gnus-current-startup-file) - (quick-file (concat newsrc-file ".el"))) - (save-excursion - ;; We always load the .newsrc.eld file. If always contains - ;; much information that can not be gotten from the .newsrc - ;; file (ticked articles, killed groups, foreign methods, etc.) - (gnus-read-newsrc-el-file quick-file) - - (if (and (file-exists-p gnus-current-startup-file) - (or force - (and (file-newer-than-file-p newsrc-file quick-file) - (file-newer-than-file-p newsrc-file - (concat quick-file "d"))) - (not gnus-newsrc-alist))) - ;; We read the .newsrc file. Note that if there if a - ;; .newsrc.eld file exists, it has already been read, and - ;; the `gnus-newsrc-hashtb' has been created. While reading - ;; the .newsrc file, Gnus will only use the information it - ;; can find there for changing the data already read - - ;; ie. reading the .newsrc file will not trash the data - ;; already read (except for read articles). - (save-excursion - (gnus-message 5 "Reading %s..." newsrc-file) - (set-buffer (find-file-noselect newsrc-file)) - (buffer-disable-undo (current-buffer)) - (gnus-newsrc-to-gnus-format) - (kill-buffer (current-buffer)) - (gnus-message 5 "Reading %s...done" newsrc-file))) - - ;; Read any slave files. - (unless gnus-slave - (gnus-master-read-slave-newsrc)) - - ;; Convert old to new. - (gnus-convert-old-newsrc)))) - -(defun gnus-continuum-version (version) - "Return VERSION as a floating point number." - (when (or (string-match "^\\([^ ]+\\)? ?Gnus v?\\([0-9.]+\\)$" version) - (string-match "^\\(.?\\)gnus-\\([0-9.]+\\)$" version)) - (let* ((alpha (and (match-beginning 1) (match-string 1 version))) - (number (match-string 2 version)) - major minor least) - (string-match "\\([0-9]\\)\\.\\([0-9]+\\)\\.?\\([0-9]+\\)?" number) - (setq major (string-to-number (match-string 1 number))) - (setq minor (string-to-number (match-string 2 number))) - (setq least (if (match-beginning 3) - (string-to-number (match-string 3 number)) - 0)) - (string-to-number - (if (zerop major) - (format "%s00%02d%02d" - (cond - ((member alpha '("(ding)" "d")) "4.99") - ((member alpha '("September" "s")) "5.01") - ((member alpha '("Red" "r")) "5.03")) - minor least) - (format "%d.%02d%02d" major minor least)))))) - -(defun gnus-convert-old-newsrc () - "Convert old newsrc into the new format, if needed." - (let ((fcv (and gnus-newsrc-file-version - (gnus-continuum-version gnus-newsrc-file-version)))) - (cond - ;; No .newsrc.eld file was loaded. - ((null fcv) nil) - ;; Gnus 5 .newsrc.eld was loaded. - ((< fcv (gnus-continuum-version "September Gnus v0.1")) - (gnus-convert-old-ticks))))) - -(defun gnus-convert-old-ticks () - (let ((newsrc (cdr gnus-newsrc-alist)) - marks info dormant ticked) - (while (setq info (pop newsrc)) - (when (setq marks (gnus-info-marks info)) - (setq dormant (cdr (assq 'dormant marks)) - ticked (cdr (assq 'tick marks))) - (when (or dormant ticked) - (gnus-info-set-read - info - (gnus-add-to-range - (gnus-info-read info) - (nconc (gnus-uncompress-range dormant) - (gnus-uncompress-range ticked))))))))) - -(defun gnus-read-newsrc-el-file (file) - (let ((ding-file (concat file "d"))) - ;; We always, always read the .eld file. - (gnus-message 5 "Reading %s..." ding-file) - (let (gnus-newsrc-assoc) - (condition-case nil - (load ding-file t t t) - (error - (gnus-error 1 "Error in %s" ding-file))) - (when gnus-newsrc-assoc - (setq gnus-newsrc-alist gnus-newsrc-assoc))) - (gnus-make-hashtable-from-newsrc-alist) - (when (file-newer-than-file-p file ding-file) - ;; Old format quick file - (gnus-message 5 "Reading %s..." file) - ;; The .el file is newer than the .eld file, so we read that one - ;; as well. - (gnus-read-old-newsrc-el-file file)))) - -;; Parse the old-style quick startup file -(defun gnus-read-old-newsrc-el-file (file) - (let (newsrc killed marked group m info) - (prog1 - (let ((gnus-killed-assoc nil) - gnus-marked-assoc gnus-newsrc-alist gnus-newsrc-assoc) - (prog1 - (condition-case nil - (load file t t t) - (error nil)) - (setq newsrc gnus-newsrc-assoc - killed gnus-killed-assoc - marked gnus-marked-assoc))) - (setq gnus-newsrc-alist nil) - (while (setq group (pop newsrc)) - (if (setq info (gnus-get-info (car group))) - (progn - (gnus-info-set-read info (cddr group)) - (gnus-info-set-level - info (if (nth 1 group) gnus-level-default-subscribed - gnus-level-default-unsubscribed)) - (setq gnus-newsrc-alist (cons info gnus-newsrc-alist))) - (push (setq info - (list (car group) - (if (nth 1 group) gnus-level-default-subscribed - gnus-level-default-unsubscribed) - (cddr group))) - gnus-newsrc-alist)) - ;; Copy marks into info. - (when (setq m (assoc (car group) marked)) - (unless (nthcdr 3 info) - (nconc info (list nil))) - (gnus-info-set-marks - info (list (cons 'tick (gnus-compress-sequence - (sort (cdr m) '<) t)))))) - (setq newsrc killed) - (while newsrc - (setcar newsrc (caar newsrc)) - (setq newsrc (cdr newsrc))) - (setq gnus-killed-list killed)) - ;; The .el file version of this variable does not begin with - ;; "options", while the .eld version does, so we just add it if it - ;; isn't there. - (and - gnus-newsrc-options - (progn - (and (not (string-match "^ *options" gnus-newsrc-options)) - (setq gnus-newsrc-options (concat "options " gnus-newsrc-options))) - (and (not (string-match "\n$" gnus-newsrc-options)) - (setq gnus-newsrc-options (concat gnus-newsrc-options "\n"))) - ;; Finally, if we read some options lines, we parse them. - (or (string= gnus-newsrc-options "") - (gnus-newsrc-parse-options gnus-newsrc-options)))) - - (setq gnus-newsrc-alist (nreverse gnus-newsrc-alist)) - (gnus-make-hashtable-from-newsrc-alist))) - -(defun gnus-make-newsrc-file (file) - "Make server dependent file name by catenating FILE and server host name." - (let* ((file (expand-file-name file nil)) - (real-file (concat file "-" (nth 1 gnus-select-method)))) - (if (or (file-exists-p real-file) - (file-exists-p (concat real-file ".el")) - (file-exists-p (concat real-file ".eld"))) - real-file file))) - -(defun gnus-newsrc-to-gnus-format () - (setq gnus-newsrc-options "") - (setq gnus-newsrc-options-n nil) - - (or gnus-active-hashtb - (setq gnus-active-hashtb (make-vector 4095 0))) - (let ((buf (current-buffer)) - (already-read (> (length gnus-newsrc-alist) 1)) - group subscribed options-symbol newsrc Options-symbol - symbol reads num1) - (goto-char (point-min)) - ;; We intern the symbol `options' in the active hashtb so that we - ;; can `eq' against it later. - (set (setq options-symbol (intern "options" gnus-active-hashtb)) nil) - (set (setq Options-symbol (intern "Options" gnus-active-hashtb)) nil) - - (while (not (eobp)) - ;; We first read the first word on the line by narrowing and - ;; then reading into `gnus-active-hashtb'. Most groups will - ;; already exist in that hashtb, so this will save some string - ;; space. - (narrow-to-region - (point) - (progn (skip-chars-forward "^ \t!:\n") (point))) - (goto-char (point-min)) - (setq symbol - (and (/= (point-min) (point-max)) - (let ((obarray gnus-active-hashtb)) (read buf)))) - (widen) - ;; Now, the symbol we have read is either `options' or a group - ;; name. If it is an options line, we just add it to a string. - (cond - ((or (eq symbol options-symbol) - (eq symbol Options-symbol)) - (setq gnus-newsrc-options - ;; This concating is quite inefficient, but since our - ;; thorough studies show that approx 99.37% of all - ;; .newsrc files only contain a single options line, we - ;; don't give a damn, frankly, my dear. - (concat gnus-newsrc-options - (buffer-substring - (gnus-point-at-bol) - ;; Options may continue on the next line. - (or (and (re-search-forward "^[^ \t]" nil 'move) - (progn (beginning-of-line) (point))) - (point))))) - (forward-line -1)) - (symbol - ;; Group names can be just numbers. - (when (numberp symbol) - (setq symbol (intern (int-to-string symbol) gnus-active-hashtb))) - (or (boundp symbol) (set symbol nil)) - ;; It was a group name. - (setq subscribed (= (following-char) ?:) - group (symbol-name symbol) - reads nil) - (if (eolp) - ;; If the line ends here, this is clearly a buggy line, so - ;; we put point a the beginning of line and let the cond - ;; below do the error handling. - (beginning-of-line) - ;; We skip to the beginning of the ranges. - (skip-chars-forward "!: \t")) - ;; We are now at the beginning of the list of read articles. - ;; We read them range by range. - (while - (cond - ((looking-at "[0-9]+") - ;; We narrow and read a number instead of buffer-substring/ - ;; string-to-int because it's faster. narrow/widen is - ;; faster than save-restriction/narrow, and save-restriction - ;; produces a garbage object. - (setq num1 (progn - (narrow-to-region (match-beginning 0) (match-end 0)) - (read buf))) - (widen) - ;; If the next character is a dash, then this is a range. - (if (= (following-char) ?-) - (progn - ;; We read the upper bound of the range. - (forward-char 1) - (if (not (looking-at "[0-9]+")) - ;; This is a buggy line, by we pretend that - ;; it's kinda OK. Perhaps the user should be - ;; dinged? - (setq reads (cons num1 reads)) - (setq reads - (cons - (cons num1 - (progn - (narrow-to-region (match-beginning 0) - (match-end 0)) - (read buf))) - reads)) - (widen))) - ;; It was just a simple number, so we add it to the - ;; list of ranges. - (setq reads (cons num1 reads))) - ;; If the next char in ?\n, then we have reached the end - ;; of the line and return nil. - (/= (following-char) ?\n)) - ((= (following-char) ?\n) - ;; End of line, so we end. - nil) - (t - ;; Not numbers and not eol, so this might be a buggy - ;; line... - (or (eobp) - ;; If it was eob instead of ?\n, we allow it. - (progn - ;; The line was buggy. - (setq group nil) - (gnus-error 3.1 "Mangled line: %s" - (buffer-substring (gnus-point-at-bol) - (gnus-point-at-eol))))) - nil)) - ;; Skip past ", ". Spaces are illegal in these ranges, but - ;; we allow them, because it's a common mistake to put a - ;; space after the comma. - (skip-chars-forward ", ")) - - ;; We have already read .newsrc.eld, so we gently update the - ;; data in the hash table with the information we have just - ;; read. - (when group - (let ((info (gnus-get-info group)) - level) - (if info - ;; There is an entry for this file in the alist. - (progn - (gnus-info-set-read info (nreverse reads)) - ;; We update the level very gently. In fact, we - ;; only change it if there's been a status change - ;; from subscribed to unsubscribed, or vice versa. - (setq level (gnus-info-level info)) - (cond ((and (<= level gnus-level-subscribed) - (not subscribed)) - (setq level (if reads - gnus-level-default-unsubscribed - (1+ gnus-level-default-unsubscribed)))) - ((and (> level gnus-level-subscribed) subscribed) - (setq level gnus-level-default-subscribed))) - (gnus-info-set-level info level)) - ;; This is a new group. - (setq info (list group - (if subscribed - gnus-level-default-subscribed - (if reads - (1+ gnus-level-subscribed) - gnus-level-default-unsubscribed)) - (nreverse reads)))) - (setq newsrc (cons info newsrc)))))) - (forward-line 1)) - - (setq newsrc (nreverse newsrc)) - - (if (not already-read) - () - ;; We now have two newsrc lists - `newsrc', which is what we - ;; have read from .newsrc, and `gnus-newsrc-alist', which is - ;; what we've read from .newsrc.eld. We have to merge these - ;; lists. We do this by "attaching" any (foreign) groups in the - ;; gnus-newsrc-alist to the (native) group that precedes them. - (let ((rc (cdr gnus-newsrc-alist)) - (prev gnus-newsrc-alist) - entry mentry) - (while rc - (or (null (nth 4 (car rc))) ; It's a native group. - (assoc (caar rc) newsrc) ; It's already in the alist. - (if (setq entry (assoc (caar prev) newsrc)) - (setcdr (setq mentry (memq entry newsrc)) - (cons (car rc) (cdr mentry))) - (setq newsrc (cons (car rc) newsrc)))) - (setq prev rc - rc (cdr rc))))) - - (setq gnus-newsrc-alist newsrc) - ;; We make the newsrc hashtb. - (gnus-make-hashtable-from-newsrc-alist) - - ;; Finally, if we read some options lines, we parse them. - (or (string= gnus-newsrc-options "") - (gnus-newsrc-parse-options gnus-newsrc-options)))) - -;; Parse options lines to find "options -n !all rec.all" and stuff. -;; The return value will be a list on the form -;; ((regexp1 . ignore) -;; (regexp2 . subscribe)...) -;; When handling new newsgroups, groups that match a `ignore' regexp -;; will be ignored, and groups that match a `subscribe' regexp will be -;; subscribed. A line like -;; options -n !all rec.all -;; will lead to a list that looks like -;; (("^rec\\..+" . subscribe) -;; ("^.+" . ignore)) -;; So all "rec.*" groups will be subscribed, while all the other -;; groups will be ignored. Note that "options -n !all rec.all" is very -;; different from "options -n rec.all !all". -(defun gnus-newsrc-parse-options (options) - (let (out eol) - (save-excursion - (gnus-set-work-buffer) - (insert (regexp-quote options)) - ;; First we treat all continuation lines. - (goto-char (point-min)) - (while (re-search-forward "\n[ \t]+" nil t) - (replace-match " " t t)) - ;; Then we transform all "all"s into ".+"s. - (goto-char (point-min)) - (while (re-search-forward "\\ball\\b" nil t) - (replace-match ".+" t t)) - (goto-char (point-min)) - ;; We remove all other options than the "-n" ones. - (while (re-search-forward "[ \t]-[^n][^-]*" nil t) - (replace-match " ") - (forward-char -1)) - (goto-char (point-min)) - - ;; We are only interested in "options -n" lines - we - ;; ignore the other option lines. - (while (re-search-forward "[ \t]-n" nil t) - (setq eol - (or (save-excursion - (and (re-search-forward "[ \t]-n" (gnus-point-at-eol) t) - (- (point) 2))) - (gnus-point-at-eol))) - ;; Search for all "words"... - (while (re-search-forward "[^ \t,\n]+" eol t) - (if (= (char-after (match-beginning 0)) ?!) - ;; If the word begins with a bang (!), this is a "not" - ;; spec. We put this spec (minus the bang) and the - ;; symbol `ignore' into the list. - (setq out (cons (cons (concat - "^" (buffer-substring - (1+ (match-beginning 0)) - (match-end 0))) - 'ignore) out)) - ;; There was no bang, so this is a "yes" spec. - (setq out (cons (cons (concat "^" (match-string 0)) - 'subscribe) out))))) - - (setq gnus-newsrc-options-n out)))) - -(defun gnus-save-newsrc-file (&optional force) - "Save .newsrc file." - ;; Note: We cannot save .newsrc file if all newsgroups are removed - ;; from the variable gnus-newsrc-alist. - (when (and (or gnus-newsrc-alist gnus-killed-list) - gnus-current-startup-file) - (save-excursion - (if (and (or gnus-use-dribble-file gnus-slave) - (not force) - (or (not gnus-dribble-buffer) - (not (buffer-name gnus-dribble-buffer)) - (zerop (save-excursion - (set-buffer gnus-dribble-buffer) - (buffer-size))))) - (gnus-message 4 "(No changes need to be saved)") - (run-hooks 'gnus-save-newsrc-hook) - (if gnus-slave - (gnus-slave-save-newsrc) - ;; Save .newsrc. - (when gnus-save-newsrc-file - (gnus-message 5 "Saving %s..." gnus-current-startup-file) - (gnus-gnus-to-newsrc-format) - (gnus-message 5 "Saving %s...done" gnus-current-startup-file)) - ;; Save .newsrc.eld. - (set-buffer (get-buffer-create " *Gnus-newsrc*")) - (make-local-variable 'version-control) - (setq version-control 'never) - (setq buffer-file-name - (concat gnus-current-startup-file ".eld")) - (setq default-directory (file-name-directory buffer-file-name)) - (gnus-add-current-to-buffer-list) - (buffer-disable-undo (current-buffer)) - (erase-buffer) - (gnus-message 5 "Saving %s.eld..." gnus-current-startup-file) - (gnus-gnus-to-quick-newsrc-format) - (run-hooks 'gnus-save-quick-newsrc-hook) - (save-buffer) - (kill-buffer (current-buffer)) - (gnus-message - 5 "Saving %s.eld...done" gnus-current-startup-file)) - (gnus-dribble-delete-file) - (gnus-group-set-mode-line))))) - -(defun gnus-gnus-to-quick-newsrc-format () - "Insert Gnus variables such as gnus-newsrc-alist in lisp format." - (insert ";; Gnus startup file.\n") - (insert ";; Never delete this file - touch .newsrc instead to force Gnus\n") - (insert ";; to read .newsrc.\n") - (insert "(setq gnus-newsrc-file-version " - (prin1-to-string gnus-version) ")\n") - (let ((variables - (if gnus-save-killed-list gnus-variable-list - ;; Remove the `gnus-killed-list' from the list of variables - ;; to be saved, if required. - (delq 'gnus-killed-list (copy-sequence gnus-variable-list)))) - ;; Peel off the "dummy" group. - (gnus-newsrc-alist (cdr gnus-newsrc-alist)) - variable) - ;; Insert the variables into the file. - (while variables - (when (and (boundp (setq variable (pop variables))) - (symbol-value variable)) - (insert "(setq " (symbol-name variable) " '") - (prin1 (symbol-value variable) (current-buffer)) - (insert ")\n"))))) - -(defun gnus-gnus-to-newsrc-format () - ;; Generate and save the .newsrc file. - (save-excursion - (set-buffer (create-file-buffer gnus-current-startup-file)) - (let ((newsrc (cdr gnus-newsrc-alist)) - (standard-output (current-buffer)) - info ranges range method) - (setq buffer-file-name gnus-current-startup-file) - (setq default-directory (file-name-directory buffer-file-name)) - (buffer-disable-undo (current-buffer)) - (erase-buffer) - ;; Write options. - (if gnus-newsrc-options (insert gnus-newsrc-options)) - ;; Write subscribed and unsubscribed. - (while (setq info (pop newsrc)) - ;; Don't write foreign groups to .newsrc. - (when (or (null (setq method (gnus-info-method info))) - (equal method "native") - (gnus-server-equal method gnus-select-method)) - (insert (gnus-info-group info) - (if (> (gnus-info-level info) gnus-level-subscribed) - "!" ":")) - (when (setq ranges (gnus-info-read info)) - (insert " ") - (if (not (listp (cdr ranges))) - (if (= (car ranges) (cdr ranges)) - (princ (car ranges)) - (princ (car ranges)) - (insert "-") - (princ (cdr ranges))) - (while (setq range (pop ranges)) - (if (or (atom range) (= (car range) (cdr range))) - (princ (or (and (atom range) range) (car range))) - (princ (car range)) - (insert "-") - (princ (cdr range))) - (if ranges (insert ","))))) - (insert "\n"))) - (make-local-variable 'version-control) - (setq version-control 'never) - ;; It has been reported that sometime the modtime on the .newsrc - ;; file seems to be off. We really do want to overwrite it, so - ;; we clear the modtime here before saving. It's a bit odd, - ;; though... - ;; sometimes the modtime clear isn't sufficient. most brute force: - ;; delete the silly thing entirely first. but this fails to provide - ;; such niceties as .newsrc~ creation. - (if gnus-modtime-botch - (delete-file gnus-startup-file) - (clear-visited-file-modtime)) - (run-hooks 'gnus-save-standard-newsrc-hook) - (save-buffer) - (kill-buffer (current-buffer))))) - - -;;; -;;; Slave functions. -;;; - -(defun gnus-slave-save-newsrc () - (save-excursion - (set-buffer gnus-dribble-buffer) - (let ((slave-name - (make-temp-name (concat gnus-current-startup-file "-slave-")))) - (write-region (point-min) (point-max) slave-name nil 'nomesg)))) - -(defun gnus-master-read-slave-newsrc () - (let ((slave-files - (directory-files - (file-name-directory gnus-current-startup-file) - t (concat - "^" (regexp-quote - (concat - (file-name-nondirectory gnus-current-startup-file) - "-slave-"))) - t)) - file) - (if (not slave-files) - () ; There are no slave files to read. - (gnus-message 7 "Reading slave newsrcs...") - (save-excursion - (set-buffer (get-buffer-create " *gnus slave*")) - (buffer-disable-undo (current-buffer)) - (setq slave-files - (sort (mapcar (lambda (file) - (list (nth 5 (file-attributes file)) file)) - slave-files) - (lambda (f1 f2) - (or (< (caar f1) (caar f2)) - (< (nth 1 (car f1)) (nth 1 (car f2))))))) - (while slave-files - (erase-buffer) - (setq file (nth 1 (car slave-files))) - (insert-file-contents file) - (if (condition-case () - (progn - (eval-buffer (current-buffer)) - t) - (error - (gnus-error 3.2 "Possible error in %s" file) - nil)) - (or gnus-slave ; Slaves shouldn't delete these files. - (condition-case () - (delete-file file) - (error nil)))) - (setq slave-files (cdr slave-files)))) - (gnus-message 7 "Reading slave newsrcs...done")))) - - -;;; -;;; Group description. -;;; - -(defun gnus-read-all-descriptions-files () - (let ((methods (cons gnus-select-method - (nconc - (when (gnus-archive-server-wanted-p) - (list "archive")) - gnus-secondary-select-methods)))) - (while methods - (gnus-read-descriptions-file (car methods)) - (setq methods (cdr methods))) - t)) - -(defun gnus-read-descriptions-file (&optional method) - (let ((method (or method gnus-select-method)) - group) - (when (stringp method) - (setq method (gnus-server-to-method method))) - ;; We create the hashtable whether we manage to read the desc file - ;; to avoid trying to re-read after a failed read. - (or gnus-description-hashtb - (setq gnus-description-hashtb - (gnus-make-hashtable (length gnus-active-hashtb)))) - ;; Mark this method's desc file as read. - (gnus-sethash (gnus-group-prefixed-name "" method) "Has read" - gnus-description-hashtb) - - (gnus-message 5 "Reading descriptions file via %s..." (car method)) - (cond - ((not (gnus-check-server method)) - (gnus-message 1 "Couldn't open server") - nil) - ((not (gnus-request-list-newsgroups method)) - (gnus-message 1 "Couldn't read newsgroups descriptions") - nil) - (t - (save-excursion - (save-restriction - (set-buffer nntp-server-buffer) - (goto-char (point-min)) - (when (or (search-forward "\n.\n" nil t) - (goto-char (point-max))) - (beginning-of-line) - (narrow-to-region (point-min) (point))) - ;; If these are groups from a foreign select method, we insert the - ;; group prefix in front of the group names. - (and method (not (gnus-server-equal - (gnus-server-get-method nil method) - (gnus-server-get-method nil gnus-select-method))) - (let ((prefix (gnus-group-prefixed-name "" method))) - (goto-char (point-min)) - (while (and (not (eobp)) - (progn (insert prefix) - (zerop (forward-line 1))))))) - (goto-char (point-min)) - (while (not (eobp)) - ;; If we get an error, we set group to 0, which is not a - ;; symbol... - (setq group - (condition-case () - (let ((obarray gnus-description-hashtb)) - ;; Group is set to a symbol interned in this - ;; hash table. - (read nntp-server-buffer)) - (error 0))) - (skip-chars-forward " \t") - ;; ... which leads to this line being effectively ignored. - (and (symbolp group) - (set group (buffer-substring - (point) (progn (end-of-line) (point))))) - (forward-line 1)))) - (gnus-message 5 "Reading descriptions file...done") - t)))) - -(defun gnus-group-get-description (group) - "Get the description of a group by sending XGTITLE to the server." - (when (gnus-request-group-description group) - (save-excursion - (set-buffer nntp-server-buffer) - (goto-char (point-min)) - (when (looking-at "[^ \t]+[ \t]+\\(.*\\)") - (match-string 1))))) - - -;;; -;;; Buffering of read articles. -;;; - -(defvar gnus-backlog-buffer " *Gnus Backlog*") -(defvar gnus-backlog-articles nil) -(defvar gnus-backlog-hashtb nil) - -(defun gnus-backlog-buffer () - "Return the backlog buffer." - (or (get-buffer gnus-backlog-buffer) - (save-excursion - (set-buffer (get-buffer-create gnus-backlog-buffer)) - (buffer-disable-undo (current-buffer)) - (setq buffer-read-only t) - (gnus-add-current-to-buffer-list) - (get-buffer gnus-backlog-buffer)))) - -(defun gnus-backlog-setup () - "Initialize backlog variables." - (unless gnus-backlog-hashtb - (setq gnus-backlog-hashtb (make-vector 1023 0)))) - -(gnus-add-shutdown 'gnus-backlog-shutdown 'gnus) - -(defun gnus-backlog-shutdown () - "Clear all backlog variables and buffers." - (when (get-buffer gnus-backlog-buffer) - (kill-buffer gnus-backlog-buffer)) - (setq gnus-backlog-hashtb nil - gnus-backlog-articles nil)) - -(defun gnus-backlog-enter-article (group number buffer) - (gnus-backlog-setup) - (let ((ident (intern (concat group ":" (int-to-string number)) - gnus-backlog-hashtb)) - b) - (if (memq ident gnus-backlog-articles) - () ; It's already kept. - ;; Remove the oldest article, if necessary. - (and (numberp gnus-keep-backlog) - (>= (length gnus-backlog-articles) gnus-keep-backlog) - (gnus-backlog-remove-oldest-article)) - (setq gnus-backlog-articles (cons ident gnus-backlog-articles)) - ;; Insert the new article. - (save-excursion - (set-buffer (gnus-backlog-buffer)) - (let (buffer-read-only) - (goto-char (point-max)) - (or (bolp) (insert "\n")) - (setq b (point)) - (insert-buffer-substring buffer) - ;; Tag the beginning of the article with the ident. - (gnus-put-text-property b (1+ b) 'gnus-backlog ident)))))) - -(defun gnus-backlog-remove-oldest-article () - (save-excursion - (set-buffer (gnus-backlog-buffer)) - (goto-char (point-min)) - (if (zerop (buffer-size)) - () ; The buffer is empty. - (let ((ident (get-text-property (point) 'gnus-backlog)) - buffer-read-only) - ;; Remove the ident from the list of articles. - (when ident - (setq gnus-backlog-articles (delq ident gnus-backlog-articles))) - ;; Delete the article itself. - (delete-region - (point) (next-single-property-change - (1+ (point)) 'gnus-backlog nil (point-max))))))) - -(defun gnus-backlog-remove-article (group number) - "Remove article NUMBER in GROUP from the backlog." - (when (numberp number) - (gnus-backlog-setup) - (let ((ident (intern (concat group ":" (int-to-string number)) - gnus-backlog-hashtb)) - beg end) - (when (memq ident gnus-backlog-articles) - ;; It was in the backlog. - (save-excursion - (set-buffer (gnus-backlog-buffer)) - (let (buffer-read-only) - (when (setq beg (text-property-any - (point-min) (point-max) 'gnus-backlog - ident)) - ;; Find the end (i. e., the beginning of the next article). - (setq end - (next-single-property-change - (1+ beg) 'gnus-backlog (current-buffer) (point-max))) - (delete-region beg end) - ;; Return success. - t))))))) - -(defun gnus-backlog-request-article (group number buffer) - (when (numberp number) - (gnus-backlog-setup) - (let ((ident (intern (concat group ":" (int-to-string number)) - gnus-backlog-hashtb)) - beg end) - (when (memq ident gnus-backlog-articles) - ;; It was in the backlog. - (save-excursion - (set-buffer (gnus-backlog-buffer)) - (if (not (setq beg (text-property-any - (point-min) (point-max) 'gnus-backlog - ident))) - ;; It wasn't in the backlog after all. - (ignore - (setq gnus-backlog-articles (delq ident gnus-backlog-articles))) - ;; Find the end (i. e., the beginning of the next article). - (setq end - (next-single-property-change - (1+ beg) 'gnus-backlog (current-buffer) (point-max))))) - (let ((buffer-read-only nil)) - (erase-buffer) - (insert-buffer-substring gnus-backlog-buffer beg end) - t))))) - -;; Allow redefinition of Gnus functions. - -(gnus-ems-redefine) - -(provide 'gnus) - -;;; gnus.el ends here |