1 ;;; gnus-ml.el --- Mailing list minor mode for Gnus
3 ;; Copyright (C) 2000, 2001, 2002, 2003, 2004,
4 ;; 2005 Free Software Foundation, Inc.
6 ;; Author: Julien Gilles <jgilles@free.fr>
7 ;; Keywords: news, mail
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 ;; Boston, MA 02110-1301, USA.
28 ;; implement (small subset of) RFC 2369
34 (eval-when-compile (require 'cl))
36 ;;; Mailing list minor mode
38 (defvar gnus-mailing-list-mode nil
39 "Minor mode for providing mailing-list commands.")
41 (defvar gnus-mailing-list-mode-map nil)
43 (defvar gnus-mailing-list-menu)
45 (unless gnus-mailing-list-mode-map
46 (setq gnus-mailing-list-mode-map (make-sparse-keymap))
48 (gnus-define-keys gnus-mailing-list-mode-map
49 "\C-c\C-nh" gnus-mailing-list-help
50 "\C-c\C-ns" gnus-mailing-list-subscribe
51 "\C-c\C-nu" gnus-mailing-list-unsubscribe
52 "\C-c\C-np" gnus-mailing-list-post
53 "\C-c\C-no" gnus-mailing-list-owner
54 "\C-c\C-na" gnus-mailing-list-archive
57 (defun gnus-mailing-list-make-menu-bar ()
58 (unless (boundp 'gnus-mailing-list-menu)
60 gnus-mailing-list-menu gnus-mailing-list-mode-map ""
62 ["Get help" gnus-mailing-list-help t]
63 ["Subscribe" gnus-mailing-list-subscribe t]
64 ["Unsubscribe" gnus-mailing-list-unsubscribe t]
65 ["Post a message" gnus-mailing-list-post t]
66 ["Mail to owner" gnus-mailing-list-owner t]
67 ["Browse archive" gnus-mailing-list-archive t]))))
70 (defun turn-on-gnus-mailing-list-mode ()
71 (when (gnus-group-find-parameter gnus-newsgroup-name 'to-list)
72 (gnus-mailing-list-mode 1)))
75 (defun gnus-mailing-list-insinuate (&optional force)
76 "Setup group parameters from List-Post header.
77 If FORCE is non-nil, replace the old ones."
80 (with-current-buffer gnus-original-article-buffer
81 (gnus-fetch-field "list-post"))))
84 (gnus-group-get-parameter gnus-newsgroup-name 'to-list))
85 (gnus-message 1 "to-list is non-nil.")
86 (if (string-match "<mailto:\\([^>]*\\)>" list-post)
87 (setq list-post (match-string 1 list-post)))
88 (gnus-group-add-parameter gnus-newsgroup-name
89 (cons 'to-list list-post))
90 (gnus-mailing-list-mode 1))
91 (gnus-message 1 "no list-post in this message."))))
94 (defun gnus-mailing-list-mode (&optional arg)
95 "Minor mode for providing mailing-list commands.
97 \\{gnus-mailing-list-mode-map}"
99 (when (eq major-mode 'gnus-summary-mode)
100 (when (set (make-local-variable 'gnus-mailing-list-mode)
101 (if (null arg) (not gnus-mailing-list-mode)
102 (> (prefix-numeric-value arg) 0)))
104 (when (gnus-visual-p 'mailing-list-menu 'menu)
105 (gnus-mailing-list-make-menu-bar))
106 (add-minor-mode 'gnus-mailing-list-mode " Mailing-List" gnus-mailing-list-mode-map)
107 (gnus-run-hooks 'gnus-mailing-list-mode-hook))))
111 (defun gnus-mailing-list-help ()
112 "Get help from mailing list server."
115 (with-current-buffer gnus-original-article-buffer
116 (gnus-fetch-field "list-help"))))
117 (cond (list-help (gnus-mailing-list-message list-help))
118 (t (gnus-message 1 "no list-help in this group")))))
120 (defun gnus-mailing-list-subscribe ()
123 (let ((list-subscribe
124 (with-current-buffer gnus-original-article-buffer
125 (gnus-fetch-field "list-subscribe"))))
126 (cond (list-subscribe (gnus-mailing-list-message list-subscribe))
127 (t (gnus-message 1 "no list-subscribe in this group")))))
129 (defun gnus-mailing-list-unsubscribe ()
132 (let ((list-unsubscribe
133 (with-current-buffer gnus-original-article-buffer
134 (gnus-fetch-field "list-unsubscribe"))))
135 (cond (list-unsubscribe (gnus-mailing-list-message list-unsubscribe))
136 (t (gnus-message 1 "no list-unsubscribe in this group")))))
138 (defun gnus-mailing-list-post ()
139 "Post message (really useful ?)"
142 (with-current-buffer gnus-original-article-buffer
143 (gnus-fetch-field "list-post"))))
144 (cond (list-post (gnus-mailing-list-message list-post))
145 (t (gnus-message 1 "no list-post in this group")))))
147 (defun gnus-mailing-list-owner ()
151 (with-current-buffer gnus-original-article-buffer
152 (gnus-fetch-field "list-owner"))))
153 (cond (list-owner (gnus-mailing-list-message list-owner))
154 (t (gnus-message 1 "no list-owner in this group")))))
156 (defun gnus-mailing-list-archive ()
159 (require 'browse-url)
161 (with-current-buffer gnus-original-article-buffer
162 (gnus-fetch-field "list-archive"))))
164 (if (string-match "<\\(http:[^>]*\\)>" list-archive)
165 (browse-url (match-string 1 list-archive))
166 (browse-url list-archive)))
167 (t (gnus-message 1 "no list-archive in this group")))))
169 ;;; Utility functions
171 (defun gnus-mailing-list-message (address)
179 ((string-match "<mailto:\\([^>]*\\)>" address)
180 (let ((args (match-string 1 address)))
182 ((string-match "\\(.*\\)\\?\\(.*\\)" args)
183 (setq mailto (match-string 1 args))
184 (let ((param (match-string 2 args)))
185 (if (string-match "subject=\\([^&]*\\)" param)
186 (setq subject (match-string 1 param)))
187 (if (string-match "body=\\([^&]*\\)" param)
188 (setq body (match-string 1 param)))
189 (if (string-match "to=\\([^&]*\\)" param)
190 (push (match-string 1 param) to))
192 (t (setq mailto args))))) ; without param
194 ; other case <http://... to be done.
196 (gnus-setup-message 'message (message-mail mailto subject))
202 ;;; gnus-ml.el ends here