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;;; mh-gnus.el --- Make MH-E compatible with installed version of Gnus.
;; Copyright (C) 2003, 2004 Free Software Foundation, Inc.
;; Author: Satyaki Das <satyaki@theforce.stanford.edu>
;; Maintainer: Bill Wohler <wohler@newt.com>
;; Keywords: mail
;; See: mh-e.el
;; 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:
;;; Change Log:
;;; Code:
(load "mm-decode" t t) ; Non-fatal dependency
(load "mm-uu" t t) ; Non-fatal dependency
(load "mailcap" t t) ; Non-fatal dependency
(load "smiley" t t) ; Non-fatal dependency
(load "mailabbrev" t t)
(defmacro mh-defun-compat (function arg-list &rest body)
"This is a macro to define functions which are not defined.
It is used for Gnus utility functions which were added recently. If FUNCTION
is not defined then it is defined to have argument list, ARG-LIST and body,
BODY."
(let ((defined-p (fboundp function)))
(unless defined-p
`(defun ,function ,arg-list ,@body))))
(put 'mh-defun-compat 'lisp-indent-function 'defun)
(defmacro mh-defmacro-compat (function arg-list &rest body)
"This is a macro to define functions which are not defined.
It is used for Gnus utility functions which were added recently. If FUNCTION
is not defined then it is defined to have argument list, ARG-LIST and body,
BODY."
(let ((defined-p (fboundp function)))
(unless defined-p
`(defmacro ,function ,arg-list ,@body))))
(put 'mh-defmacro-compat 'lisp-indent-function 'defun)
;; Copy of original function from gnus-util.el
(mh-defun-compat gnus-local-map-property (map)
"Return a list suitable for a text property list specifying keymap MAP."
(cond (mh-xemacs-flag (list 'keymap map))
((>= emacs-major-version 21) (list 'keymap map))
(t (list 'local-map map))))
;; Copy of original function from mm-decode.el
(mh-defun-compat mm-merge-handles (handles1 handles2)
(append (if (listp (car handles1)) handles1 (list handles1))
(if (listp (car handles2)) handles2 (list handles2))))
;; Copy of function from mm-decode.el
(mh-defun-compat mm-set-handle-multipart-parameter (handle parameter value)
;; HANDLE could be a CTL.
(if handle
(put-text-property 0 (length (car handle)) parameter value
(car handle))))
;; Copy of function from mm-view.el
(mh-defun-compat mm-inline-text-vcard (handle)
(let (buffer-read-only)
(mm-insert-inline
handle
(concat "\n-- \n"
(ignore-errors
(if (fboundp 'vcard-pretty-print)
(vcard-pretty-print (mm-get-part handle))
(vcard-format-string
(vcard-parse-string (mm-get-part handle)
'vcard-standard-filter))))))))
;; Function from mm-decode.el used in PGP messages. Just define it with older
;; gnus to avoid compiler warning.
(mh-defun-compat mm-possibly-verify-or-decrypt (parts ctl)
nil)
;; Copy of original macro is in mm-decode.el
(mh-defmacro-compat mm-handle-multipart-ctl-parameter (handle parameter)
`(get-text-property 0 ,parameter (car ,handle)))
;; Copy of original function in mm-decode.el
(mh-defun-compat mm-readable-p (handle)
"Say whether the content of HANDLE is readable."
(and (< (with-current-buffer (mm-handle-buffer handle)
(buffer-size)) 10000)
(mm-with-unibyte-buffer
(mm-insert-part handle)
(and (eq (mm-body-7-or-8) '7bit)
(not (mm-long-lines-p 76))))))
;; Copy of original function in mm-bodies.el
(mh-defun-compat mm-long-lines-p (length)
"Say whether any of the lines in the buffer is longer than LENGTH."
(save-excursion
(goto-char (point-min))
(end-of-line)
(while (and (not (eobp))
(not (> (current-column) length)))
(forward-line 1)
(end-of-line))
(and (> (current-column) length)
(current-column))))
(mh-defun-compat mm-keep-viewer-alive-p (handle)
;; Released Gnus doesn't keep handles associated with externally displayed
;; MIME parts. So this will always return nil.
nil)
(mh-defun-compat mm-destroy-parts (list)
"Older emacs don't have this function."
nil)
;;; This is mm-save-part from gnus 5.10 since that function in emacs21.2 is
;;; buggy (the args to read-file-name are incorrect). When all supported
;;; versions of Emacs come with at least Gnus 5.10, we can delete this
;;; function and rename calls to mh-mm-save-part to mm-save-part.
(defun mh-mm-save-part (handle)
"Write HANDLE to a file."
(let ((name (mail-content-type-get (mm-handle-type handle) 'name))
(filename (mail-content-type-get
(mm-handle-disposition handle) 'filename))
file)
(when filename
(setq filename (file-name-nondirectory filename)))
(setq file (read-file-name "Save MIME part to: "
(or mm-default-directory
default-directory)
nil nil (or filename name "")))
(setq mm-default-directory (file-name-directory file))
(and (or (not (file-exists-p file))
(yes-or-no-p (format "File %s already exists; overwrite? "
file)))
(mm-save-part-to-file handle file))))
(defun mh-mm-text-html-renderer ()
"Find the renderer gnus is using to display text/html MIME parts."
(or (and (boundp 'mm-inline-text-html-renderer) mm-inline-text-html-renderer)
(and (boundp 'mm-text-html-renderer) mm-text-html-renderer)))
(defun mh-mail-abbrev-make-syntax-table ()
"Call `mail-abbrev-make-syntax-table' if available."
(when (fboundp 'mail-abbrev-make-syntax-table)
(mail-abbrev-make-syntax-table)))
(provide 'mh-gnus)
;;; Local Variables:
;;; no-byte-compile: t
;;; no-update-autoloads: t
;;; indent-tabs-mode: nil
;;; sentence-end-double-space: nil
;;; End:
;; arch-tag: 1e3638af-cad3-4c69-8427-bc8eb6e5e4fa
;;; mh-gnus.el ends here
|
