summaryrefslogtreecommitdiff
path: root/lisp/gnus/gnus-ml.el
blob: 436d5e7a8b4f6eb775d45328fc3fe758d085488a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
;;; gnus-ml.el --- Mailing list minor mode for Gnus

;; Copyright (C) 2000, 2001, 2002, 2003, 2004,
;;   2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.

;; Author: Julien Gilles  <jgilles@free.fr>
;; 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 3 of the License, 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.  If not, see <http://www.gnu.org/licenses/>.

;;; Commentary:

;; implement (small subset of) RFC 2369

;;; Code:

(require 'gnus)
(require 'gnus-msg)
(eval-when-compile (require 'cl))

;;; Mailing list minor mode

(defvar gnus-mailing-list-mode nil
  "Minor mode for providing mailing-list commands.")

(defvar gnus-mailing-list-mode-map nil)

(defvar gnus-mailing-list-menu)

(unless gnus-mailing-list-mode-map
  (setq gnus-mailing-list-mode-map (make-sparse-keymap))

  (gnus-define-keys gnus-mailing-list-mode-map
    "\C-c\C-nh" gnus-mailing-list-help
    "\C-c\C-ns" gnus-mailing-list-subscribe
    "\C-c\C-nu" gnus-mailing-list-unsubscribe
    "\C-c\C-np" gnus-mailing-list-post
    "\C-c\C-no" gnus-mailing-list-owner
    "\C-c\C-na" gnus-mailing-list-archive))

(defun gnus-mailing-list-make-menu-bar ()
  (unless (boundp 'gnus-mailing-list-menu)
    (easy-menu-define
     gnus-mailing-list-menu gnus-mailing-list-mode-map ""
     '("Mailing-Lists"
       ["Get help" gnus-mailing-list-help t]
       ["Subscribe" gnus-mailing-list-subscribe t]
       ["Unsubscribe" gnus-mailing-list-unsubscribe t]
       ["Post a message" gnus-mailing-list-post t]
       ["Mail to owner" gnus-mailing-list-owner t]
       ["Browse archive" gnus-mailing-list-archive t]))))

;;;###autoload
(defun turn-on-gnus-mailing-list-mode ()
  (when (gnus-group-find-parameter gnus-newsgroup-name 'to-list)
    (gnus-mailing-list-mode 1)))

;;;###autoload
(defun gnus-mailing-list-insinuate (&optional force)
  "Setup group parameters from List-Post header.
If FORCE is non-nil, replace the old ones."
  (interactive "P")
  (let ((list-post
	 (with-current-buffer gnus-original-article-buffer
	   (gnus-fetch-field "list-post"))))
    (if list-post
	(if (and (not force)
		 (gnus-group-get-parameter gnus-newsgroup-name 'to-list))
	    (gnus-message 1 "to-list is non-nil.")
	  (if (string-match "<mailto:\\([^>]*\\)>" list-post)
	      (setq list-post (match-string 1 list-post)))
	  (gnus-group-add-parameter gnus-newsgroup-name
				    (cons 'to-list list-post))
	  (gnus-mailing-list-mode 1))
      (gnus-message 1 "no list-post in this message."))))

;;;###autoload
(defun gnus-mailing-list-mode (&optional arg)
  "Minor mode for providing mailing-list commands.

\\{gnus-mailing-list-mode-map}"
  (interactive "P")
  (when (eq major-mode 'gnus-summary-mode)
    (when (set (make-local-variable 'gnus-mailing-list-mode)
	       (if (null arg) (not gnus-mailing-list-mode)
		 (> (prefix-numeric-value arg) 0)))
      ;; Set up the menu.
      (when (gnus-visual-p 'mailing-list-menu 'menu)
	(gnus-mailing-list-make-menu-bar))
      (add-minor-mode 'gnus-mailing-list-mode " Mailing-List"
		      gnus-mailing-list-mode-map)
      (gnus-run-hooks 'gnus-mailing-list-mode-hook))))

;;; Commands

(defun gnus-mailing-list-help ()
  "Get help from mailing list server."
  (interactive)
  (let ((list-help
	 (with-current-buffer gnus-original-article-buffer
	   (gnus-fetch-field "list-help"))))
    (cond (list-help (gnus-mailing-list-message list-help))
	  (t (gnus-message 1 "no list-help in this group")))))

(defun gnus-mailing-list-subscribe ()
  "Subscribe to mailing list."
  (interactive)
  (let ((list-subscribe
	 (with-current-buffer gnus-original-article-buffer
	   (gnus-fetch-field "list-subscribe"))))
    (cond (list-subscribe (gnus-mailing-list-message list-subscribe))
	  (t (gnus-message 1 "no list-subscribe in this group")))))

(defun gnus-mailing-list-unsubscribe ()
  "Unsubscribe from mailing list."
  (interactive)
  (let ((list-unsubscribe
	 (with-current-buffer gnus-original-article-buffer
	   (gnus-fetch-field "list-unsubscribe"))))
    (cond (list-unsubscribe (gnus-mailing-list-message list-unsubscribe))
	  (t (gnus-message 1 "no list-unsubscribe in this group")))))

(defun gnus-mailing-list-post ()
  "Post message (really useful ?)"
  (interactive)
  (let ((list-post
	 (with-current-buffer gnus-original-article-buffer
	   (gnus-fetch-field "list-post"))))
    (cond (list-post (gnus-mailing-list-message list-post))
	  (t (gnus-message 1 "no list-post in this group")))))

(defun gnus-mailing-list-owner ()
  "Mail to the mailing list owner."
  (interactive)
  (let ((list-owner
	 (with-current-buffer gnus-original-article-buffer
	   (gnus-fetch-field "list-owner"))))
    (cond (list-owner (gnus-mailing-list-message list-owner))
	  (t (gnus-message 1 "no list-owner in this group")))))

(defun gnus-mailing-list-archive ()
  "Browse archive."
  (interactive)
  (require 'browse-url)
  (let ((list-archive
	 (with-current-buffer gnus-original-article-buffer
	   (gnus-fetch-field "list-archive"))))
    (cond (list-archive
	   (if (string-match "<\\(http:[^>]*\\)>" list-archive)
	       (browse-url (match-string 1 list-archive))
	     (browse-url list-archive)))
	  (t (gnus-message 1 "no list-archive in this group")))))

;;; Utility functions

(defun gnus-mailing-list-message (address)
  "Send message to ADDRESS.
ADDRESS is specified by a \"mailto:\" URL."
  (cond
   ((string-match "<\\(mailto:[^>]*\\)>" address)
    (require 'gnus-art)
    (gnus-url-mailto (match-string 1 address)))
   ;; other case <http://...> to be done.
   (t nil)))

(provide 'gnus-ml)

;; arch-tag: 936c0fe6-acce-4c16-87d0-eded88078896
;;; gnus-ml.el ends here