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;;; nnlistserv.el --- retrieving articles via web mailing list archives
;; Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news, mail
;; 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:
;; Note: You need to have `url' and `w3' installed for this
;; backend to work.
;;; Code:
(eval-when-compile (require 'cl))
(require 'nnoo)
(eval-when-compile
(ignore-errors
(require 'nnweb)) ; requires W3
(autoload 'url-insert-file-contents "nnweb"))
(nnoo-declare nnlistserv
nnweb)
(defvoo nnlistserv-directory (nnheader-concat gnus-directory "nnlistserv/")
"Where nnlistserv will save its files."
nnweb-directory)
(defvoo nnlistserv-name 'kk
"What search engine type is being used."
nnweb-type)
(defvoo nnlistserv-type-definition
'((kk
(article . nnlistserv-kk-wash-article)
(map . nnlistserv-kk-create-mapping)
(search . nnlistserv-kk-search)
(address . "http://www.itk.ntnu.no/ansatte/Andresen_Trond/kk-f/%s/")
(pages "fra160396" "fra160796" "fra061196" "fra160197"
"fra090997" "fra040797" "fra130397" "nye")
(index . "date.html")
(identifier . nnlistserv-kk-identity)))
"Type-definition alist."
nnweb-type-definition)
(defvoo nnlistserv-search nil
"Search string to feed to DejaNews."
nnweb-search)
(defvoo nnlistserv-ephemeral-p nil
"Whether this nnlistserv server is ephemeral."
nnweb-ephemeral-p)
;;; Internal variables
;;; Interface functions
(nnoo-define-basics nnlistserv)
(nnoo-import nnlistserv
(nnweb))
;;; Internal functions
;;;
;;; KK functions.
;;;
(defun nnlistserv-kk-create-mapping ()
"Perform the search and create a number-to-url alist."
(save-excursion
(set-buffer nnweb-buffer)
(let ((case-fold-search t)
(active (or (cadr (assoc nnweb-group nnweb-group-alist))
(cons 1 0)))
(pages (nnweb-definition 'pages))
map url page subject from )
(while (setq page (pop pages))
(erase-buffer)
(when (funcall (nnweb-definition 'search) page)
;; Go through all the article hits on this page.
(goto-char (point-min))
(nnweb-decode-entities)
(goto-char (point-min))
(while (re-search-forward "^<li> *<a href=\"\\([^\"]+\\)\"><b>\\([^\\>]+\\)</b></a> *<[^>]+><i>\\([^>]+\\)<" nil t)
(setq url (match-string 1)
subject (match-string 2)
from (match-string 3))
(setq url (concat (format (nnweb-definition 'address) page) url))
(unless (nnweb-get-hashtb url)
(push
(list
(incf (cdr active))
(make-full-mail-header
(cdr active) subject from ""
(concat "<" (nnweb-identifier url) "@kk>")
nil 0 0 url))
map)
(nnweb-set-hashtb (cadar map) (car map))
(nnheader-message 5 "%s %s %s" (cdr active) (point) pages)))))
;; Return the articles in the right order.
(setq nnweb-articles
(sort (nconc nnweb-articles map) 'car-less-than-car)))))
(defun nnlistserv-kk-wash-article ()
(let ((case-fold-search t)
(headers '(sent name email subject id))
sent name email subject id)
(nnweb-decode-entities)
(while headers
(goto-char (point-min))
(re-search-forward (format "<!-- %s=\"\\([^\"]+\\)" (car headers) nil t))
(set (pop headers) (match-string 1)))
(goto-char (point-min))
(search-forward "<!-- body" nil t)
(delete-region (point-min) (progn (forward-line 1) (point)))
(goto-char (point-max))
(search-backward "<!-- body" nil t)
(delete-region (point-max) (progn (beginning-of-line) (point)))
(nnweb-remove-markup)
(goto-char (point-min))
(insert (format "From: %s <%s>\n" name email)
(format "Subject: %s\n" subject)
(format "Message-ID: %s\n" id)
(format "Date: %s\n\n" sent))))
(defun nnlistserv-kk-search (search)
(url-insert-file-contents
(concat (format (nnweb-definition 'address) search)
(nnweb-definition 'index)))
t)
(defun nnlistserv-kk-identity (url)
"Return an unique identifier based on URL."
url)
(provide 'nnlistserv)
;;; nnlistserv.el ends here
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