Merge from emacs--rel--22
[bpt/emacs.git] / lisp / gnus / gnus-msg.el
CommitLineData
eec82323 1;;; gnus-msg.el --- mail and post interface for Gnus
e84b4b86
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2
3;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
d7a0267c 4;; 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
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5
6;; Author: Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
6748645f 7;; Lars Magne Ingebrigtsen <larsi@gnus.org>
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8;; Keywords: news
9
10;; This file is part of GNU Emacs.
11
12;; GNU Emacs is free software; you can redistribute it and/or modify
13;; it under the terms of the GNU General Public License as published by
14;; the Free Software Foundation; either version 2, or (at your option)
15;; any later version.
16
17;; GNU Emacs is distributed in the hope that it will be useful,
18;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20;; GNU General Public License for more details.
21
22;; You should have received a copy of the GNU General Public License
23;; along with GNU Emacs; see the file COPYING. If not, write to the
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24;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
25;; Boston, MA 02110-1301, USA.
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26
27;;; Commentary:
28
29;;; Code:
30
249ffa67
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31(eval-when-compile (require 'cl))
32
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33(require 'gnus)
34(require 'gnus-ems)
35(require 'message)
36(require 'gnus-art)
23f87bed 37(require 'gnus-util)
eec82323 38
16409b0b 39(defcustom gnus-post-method 'current
eec82323 40 "*Preferred method for posting USENET news.
eec82323 41
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42If this variable is `current' (which is the default), Gnus will use
43the \"current\" select method when posting. If it is `native', Gnus
44will use the native select method when posting.
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45
46This method will not be used in mail groups and the like, only in
47\"real\" newsgroups.
48
e818c17f 49If not `native' nor `current', the value must be a valid method as discussed
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50in the documentation of `gnus-select-method'. It can also be a list of
51methods. If that is the case, the user will be queried for what select
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52method to use when posting."
53 :group 'gnus-group-foreign
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54 :link '(custom-manual "(gnus)Posting Server")
55 :type `(choice (const native)
56 (const current)
6748645f 57 (sexp :tag "Methods" ,gnus-select-method)))
eec82323 58
23f87bed 59(defcustom gnus-outgoing-message-group nil
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60 "*All outgoing messages will be put in this group.
61If you want to store all your outgoing mail and articles in the group
62\"nnml:archive\", you set this variable to that value. This variable
63can also be a list of group names.
64
65If you want to have greater control over what group to put each
66message in, you can set this variable to a function that checks the
67current newsgroup name and then returns a suitable group name (or list
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68of names)."
69 :group 'gnus-message
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70 :type '(choice (const nil)
71 (function)
72 (string :tag "Group")
73 (repeat :tag "List of groups" (string :tag "Group"))))
eec82323 74
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75(defcustom gnus-mailing-list-groups nil
76 "*If non-nil a regexp matching groups that are really mailing lists.
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77This is useful when you're reading a mailing list that has been
78gatewayed to a newsgroup, and you want to followup to an article in
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79the group."
80 :group 'gnus-message
81 :type '(choice (regexp)
82 (const nil)))
eec82323 83
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84(defcustom gnus-add-to-list nil
85 "*If non-nil, add a `to-list' parameter automatically."
86 :group 'gnus-message
87 :type 'boolean)
eec82323 88
23f87bed 89(defcustom gnus-crosspost-complaint
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90 "Hi,
91
92You posted the article below with the following Newsgroups header:
93
94Newsgroups: %s
95
96The %s group, at least, was an inappropriate recipient
97of this message. Please trim your Newsgroups header to exclude this
98group before posting in the future.
99
100Thank you.
101
102"
103 "Format string to be inserted when complaining about crossposts.
104The first %s will be replaced by the Newsgroups header;
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105the second with the current group name."
106 :group 'gnus-message
107 :type 'string)
108
109(defcustom gnus-message-setup-hook nil
110 "Hook run after setting up a message buffer."
111 :group 'gnus-message
112 :type 'hook)
113
114(defcustom gnus-bug-create-help-buffer t
115 "*Should we create the *Gnus Help Bug* buffer?"
116 :group 'gnus-message
117 :type 'boolean)
118
119(defcustom gnus-posting-styles nil
120 "*Alist of styles to use when posting.
121See Info node `(gnus)Posting Styles'."
122 :group 'gnus-message
123 :link '(custom-manual "(gnus)Posting Styles")
124 :type '(repeat (cons (choice (regexp)
125 (variable)
126 (list (const header)
127 (string :tag "Header")
128 (regexp :tag "Regexp"))
129 (function)
130 (sexp))
131 (repeat (list
132 (choice (const signature)
133 (const signature-file)
134 (const organization)
135 (const address)
136 (const x-face-file)
137 (const name)
138 (const body)
139 (symbol)
140 (string :tag "Header"))
141 (choice (string)
142 (function)
143 (variable)
144 (sexp)))))))
145
146(defcustom gnus-gcc-mark-as-read nil
147 "If non-nil, automatically mark Gcc articles as read."
bf247b6e 148 :version "22.1"
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149 :group 'gnus-message
150 :type 'boolean)
151
152(make-obsolete-variable 'gnus-inews-mark-gcc-as-read
153 'gnus-gcc-mark-as-read)
154
155(defcustom gnus-gcc-externalize-attachments nil
156 "Should local-file attachments be included as external parts in Gcc copies?
157If it is `all', attach files as external parts;
158if a regexp and matches the Gcc group name, attach files as external parts;
159if nil, attach files as normal parts."
bf247b6e 160 :version "22.1"
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161 :group 'gnus-message
162 :type '(choice (const nil :tag "None")
163 (const all :tag "Any")
164 (string :tag "Regexp")))
165
166(gnus-define-group-parameter
167 posting-charset-alist
168 :type list
169 :function-document
170 "Return the permitted unencoded charsets for posting of GROUP."
171 :variable gnus-group-posting-charset-alist
172 :variable-default
25fc4fd5 173 '(("^\\(no\\|fr\\)\\.[^,]*\\(,[ \t\n]*\\(no\\|fr\\)\\.[^,]*\\)*$" iso-8859-1 (iso-8859-1))
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174 ("^\\(fido7\\|relcom\\)\\.[^,]*\\(,[ \t\n]*\\(fido7\\|relcom\\)\\.[^,]*\\)*$" koi8-r (koi8-r))
175 (message-this-is-mail nil nil)
176 (message-this-is-news nil t))
23f87bed 177 :variable-document
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178 "Alist of regexps and permitted unencoded charsets for posting.
179Each element of the alist has the form (TEST HEADER BODY-LIST), where
180TEST is either a regular expression matching the newsgroup header or a
181variable to query,
182HEADER is the charset which may be left unencoded in the header (nil
183means encode all charsets),
184BODY-LIST is a list of charsets which may be encoded using 8bit
185content-transfer encoding in the body, or one of the special values
186nil (always encode using quoted-printable) or t (always use 8bit).
187
188Note that any value other than nil for HEADER infringes some RFCs, so
189use this option with care."
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190 :variable-group gnus-charset
191 :variable-type
192 '(repeat (list :tag "Permitted unencoded charsets"
193 (choice :tag "Where"
194 (regexp :tag "Group")
195 (const :tag "Mail message" :value message-this-is-mail)
196 (const :tag "News article" :value message-this-is-news))
197 (choice :tag "Header"
198 (const :tag "None" nil)
199 (symbol :tag "Charset"))
200 (choice :tag "Body"
201 (const :tag "Any" :value t)
202 (const :tag "None" :value nil)
203 (repeat :tag "Charsets"
204 (symbol :tag "Charset")))))
205 :parameter-type '(choice :tag "Permitted unencoded charsets"
206 :value nil
207 (repeat (symbol)))
208 :parameter-document "\
209List of charsets that are permitted to be unencoded.")
210
211(defcustom gnus-debug-files
212 '("gnus.el" "gnus-sum.el" "gnus-group.el"
213 "gnus-art.el" "gnus-start.el" "gnus-async.el"
214 "gnus-msg.el" "gnus-score.el" "gnus-win.el" "gnus-topic.el"
215 "gnus-agent.el" "gnus-cache.el" "gnus-srvr.el"
216 "mm-util.el" "mm-decode.el" "nnmail.el" "message.el")
217 "Files whose variables will be reported in `gnus-bug'."
bf247b6e 218 :version "22.1"
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219 :group 'gnus-message
220 :type '(repeat (string :tag "File")))
221
222(defcustom gnus-debug-exclude-variables
223 '(mm-mime-mule-charset-alist
224 nnmail-split-fancy message-minibuffer-local-map)
225 "Variables that should not be reported in `gnus-bug'."
bf247b6e 226 :version "22.1"
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227 :group 'gnus-message
228 :type '(repeat (symbol :tag "Variable")))
229
230(defcustom gnus-discouraged-post-methods
231 '(nndraft nnml nnimap nnmaildir nnmh nnfolder nndir)
232 "A list of back ends that are not used in \"real\" newsgroups.
233This variable is used only when `gnus-post-method' is `current'."
bf247b6e 234 :version "22.1"
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235 :group 'gnus-group-foreign
236 :type '(repeat (symbol :tag "Back end")))
237
238(defcustom gnus-message-replysign
239 nil
240 "Automatically sign replies to signed messages.
241See also the `mml-default-sign-method' variable."
242 :group 'gnus-message
243 :type 'boolean)
244
245(defcustom gnus-message-replyencrypt
246 nil
247 "Automatically encrypt replies to encrypted messages.
248See also the `mml-default-encrypt-method' variable."
249 :group 'gnus-message
250 :type 'boolean)
251
252(defcustom gnus-message-replysignencrypted
253 t
254 "Setting this causes automatically encrypted messages to also be signed."
255 :group 'gnus-message
256 :type 'boolean)
257
258(defcustom gnus-confirm-mail-reply-to-news nil
259 "If non-nil, Gnus requests confirmation when replying to news.
260This is done because new users often reply by mistake when reading
261news.
262This can also be a function receiving the group name as the only
263parameter which should return non-nil iff a confirmation is needed, or
264a regexp, in which case a confirmation is asked for iff the group name
265matches the regexp."
bf247b6e 266 :version "22.1"
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267 :group 'gnus-message
268 :type '(choice (const :tag "No" nil)
269 (const :tag "Yes" t)
270 (regexp :tag "Iff group matches regexp")
271 (function :tag "Iff function evaluates to non-nil")))
272
273(defcustom gnus-confirm-treat-mail-like-news
274 nil
275 "If non-nil, Gnus will treat mail like news with regard to confirmation
276when replying by mail. See the `gnus-confirm-mail-reply-to-news' variable
277for fine-tuning this.
278If nil, Gnus will never ask for confirmation if replying to mail."
bf247b6e 279 :version "22.1"
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280 :group 'gnus-message
281 :type 'boolean)
282
283(defcustom gnus-summary-resend-default-address t
284 "If non-nil, Gnus tries to suggest a default address to resend to.
285If nil, the address field will always be empty after invoking
286`gnus-summary-resend-message'."
bf247b6e 287 :version "22.1"
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288 :group 'gnus-message
289 :type 'boolean)
6748645f 290
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291;;; Internal variables.
292
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293(defvar gnus-inhibit-posting-styles nil
294 "Inhibit the use of posting styles.")
295
23f87bed 296(defvar gnus-article-yanked-articles nil)
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297(defvar gnus-message-buffer "*Mail Gnus*")
298(defvar gnus-article-copy nil)
23f87bed 299(defvar gnus-check-before-posting nil)
eec82323 300(defvar gnus-last-posting-server nil)
6748645f 301(defvar gnus-message-group-art nil)
eec82323 302
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303(defvar gnus-msg-force-broken-reply-to nil)
304
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305(defconst gnus-bug-message
306 "Sending a bug report to the Gnus Towers.
307========================================
308
309The buffer below is a mail buffer. When you press `C-c C-c', it will
310be sent to the Gnus Bug Exterminators.
311
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312The thing near the bottom of the buffer is how the environment
313settings will be included in the mail. Please do not delete that.
314They will tell the Bug People what your environment is, so that it
315will be easier to locate the bugs.
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316
317If you have found a bug that makes Emacs go \"beep\", set
318debug-on-error to t (`M-x set-variable RET debug-on-error RET t RET')
319and include the backtrace in your bug report.
320
321Please describe the bug in annoying, painstaking detail.
322
323Thank you for your help in stamping out bugs.
324")
325
326(eval-and-compile
327 (autoload 'gnus-uu-post-news "gnus-uu" nil t)
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328 (autoload 'news-setup "rnewspost")
329 (autoload 'news-reply-mode "rnewspost")
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330 (autoload 'rmail-dont-reply-to "mail-utils")
331 (autoload 'rmail-output "rmailout"))
332
333\f
334;;;
335;;; Gnus Posting Functions
336;;;
337
338(gnus-define-keys (gnus-summary-send-map "S" gnus-summary-mode-map)
339 "p" gnus-summary-post-news
23f87bed 340 "i" gnus-summary-news-other-window
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341 "f" gnus-summary-followup
342 "F" gnus-summary-followup-with-original
343 "c" gnus-summary-cancel-article
344 "s" gnus-summary-supersede-article
345 "r" gnus-summary-reply
16409b0b 346 "y" gnus-summary-yank-message
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347 "R" gnus-summary-reply-with-original
348 "w" gnus-summary-wide-reply
349 "W" gnus-summary-wide-reply-with-original
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350 "v" gnus-summary-very-wide-reply
351 "V" gnus-summary-very-wide-reply-with-original
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352 "n" gnus-summary-followup-to-mail
353 "N" gnus-summary-followup-to-mail-with-original
354 "m" gnus-summary-mail-other-window
355 "u" gnus-uu-post-news
356 "\M-c" gnus-summary-mail-crosspost-complaint
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357 "Br" gnus-summary-reply-broken-reply-to
358 "BR" gnus-summary-reply-broken-reply-to-with-original
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359 "om" gnus-summary-mail-forward
360 "op" gnus-summary-post-forward
361 "Om" gnus-uu-digest-mail-forward
362 "Op" gnus-uu-digest-post-forward)
363
364(gnus-define-keys (gnus-send-bounce-map "D" gnus-summary-send-map)
365 "b" gnus-summary-resend-bounced-mail
366 ;; "c" gnus-summary-send-draft
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367 "r" gnus-summary-resend-message
368 "e" gnus-summary-resend-message-edit)
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369
370;;; Internal functions.
371
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372(defun gnus-inews-make-draft ()
373 `(lambda ()
374 (gnus-inews-make-draft-meta-information
375 ,gnus-newsgroup-name ',gnus-article-reply)))
376
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377(defvar gnus-article-reply nil)
378(defmacro gnus-setup-message (config &rest forms)
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379 (let ((winconf (make-symbol "gnus-setup-message-winconf"))
380 (buffer (make-symbol "gnus-setup-message-buffer"))
381 (article (make-symbol "gnus-setup-message-article"))
23f87bed 382 (yanked (make-symbol "gnus-setup-yanked-articles"))
6748645f 383 (group (make-symbol "gnus-setup-message-group")))
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384 `(let ((,winconf (current-window-configuration))
385 (,buffer (buffer-name (current-buffer)))
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386 (,article gnus-article-reply)
387 (,yanked gnus-article-yanked-articles)
6748645f 388 (,group gnus-newsgroup-name)
eec82323 389 (message-header-setup-hook
6748645f 390 (copy-sequence message-header-setup-hook))
16409b0b 391 (mbl mml-buffer-list)
6748645f 392 (message-mode-hook (copy-sequence message-mode-hook)))
16409b0b 393 (setq mml-buffer-list nil)
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394 (add-hook 'message-header-setup-hook 'gnus-inews-insert-gcc)
395 (add-hook 'message-header-setup-hook 'gnus-inews-insert-archive-gcc)
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396 ;; message-newsreader and message-mailer were formerly set in
397 ;; gnus-inews-add-send-actions, but this is too late when
398 ;; message-generate-headers-first is used. --ansel
399 (add-hook 'message-mode-hook
400 (lambda nil
401 (setq message-newsreader
402 (setq message-mailer (gnus-extended-version)))))
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403 ;; #### FIXME: for a reason that I did not manage to identify yet,
404 ;; the variable `gnus-newsgroup-name' does not honor a dynamically
405 ;; scoped or setq'ed value from a caller like `C-u gnus-summary-mail'.
406 ;; After evaluation of @forms below, it gets the value we actually want
407 ;; to override, and the posting styles are used. For that reason, I've
408 ;; added an optional argument to `gnus-configure-posting-styles' to
409 ;; make sure that the correct value for the group name is used. -- drv
410 (add-hook 'message-mode-hook
411 (if (memq ,config '(reply-yank reply))
412 (lambda ()
413 (gnus-configure-posting-styles ,group))
414 (lambda ()
415 ;; There may be an old " *gnus article copy*" buffer.
416 (let (gnus-article-copy)
417 (gnus-configure-posting-styles ,group)))))
418 (gnus-pull ',(intern gnus-draft-meta-information-header)
419 message-required-headers)
420 (when (and ,group
421 (not (string= ,group "")))
422 (push (cons
423 (intern gnus-draft-meta-information-header)
424 (gnus-inews-make-draft))
425 message-required-headers))
eec82323 426 (unwind-protect
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427 (progn
428 ,@forms)
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429 (gnus-inews-add-send-actions ,winconf ,buffer ,article ,config
430 ,yanked)
eec82323 431 (setq gnus-message-buffer (current-buffer))
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432 (set (make-local-variable 'gnus-message-group-art)
433 (cons ,group ,article))
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434 (set (make-local-variable 'gnus-newsgroup-name) ,group)
435 (gnus-run-hooks 'gnus-message-setup-hook)
436 (if (eq major-mode 'message-mode)
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437 (let ((mbl1 mml-buffer-list))
438 (setq mml-buffer-list mbl) ;; Global value
439 (set (make-local-variable 'mml-buffer-list) mbl1);; Local value
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440 (gnus-make-local-hook 'kill-buffer-hook)
441 (gnus-make-local-hook 'change-major-mode-hook)
6553d8f2 442 (add-hook 'change-major-mode-hook 'mml-destroy-buffers nil t)
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443 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t))
444 (mml-destroy-buffers)
445 (setq mml-buffer-list mbl)))
23f87bed 446 (message-hide-headers)
6748645f 447 (gnus-add-buffer)
eec82323 448 (gnus-configure-windows ,config t)
23f87bed 449 (run-hooks 'post-command-hook)
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450 (set-buffer-modified-p nil))))
451
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452(defun gnus-inews-make-draft-meta-information (group article)
453 (concat "(\"" group "\" "
454 (if article (number-to-string
455 (if (listp article)
456 (car article)
457 article)) "\"\"")
458 ")"))
459
25fc4fd5 460;;;###autoload
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461(defun gnus-msg-mail (&optional to subject other-headers continue
462 switch-action yank-action send-actions)
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463 "Start editing a mail message to be sent.
464Like `message-mail', but with Gnus paraphernalia, particularly the
465Gcc: header for archiving purposes."
466 (interactive)
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467 (let ((buf (current-buffer))
468 mail-buf)
469 (gnus-setup-message 'message
470 (message-mail to subject other-headers continue
471 nil yank-action send-actions))
472 (when switch-action
473 (setq mail-buf (current-buffer))
474 (switch-to-buffer buf)
475 (apply switch-action mail-buf nil)))
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476 ;; COMPOSEFUNC should return t if succeed. Undocumented ???
477 t)
478
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479;;;###autoload
480(defun gnus-button-mailto (address)
481 "Mail to ADDRESS."
482 (set-buffer (gnus-copy-article-buffer))
483 (gnus-setup-message 'message
bfff13ab 484 (message-reply address)))
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485
486;;;###autoload
487(defun gnus-button-reply (&optional to-address wide)
488 "Like `message-reply'."
489 (interactive)
490 (gnus-setup-message 'message
bfff13ab 491 (message-reply to-address wide)))
23f87bed 492
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493;;;###autoload
494(define-mail-user-agent 'gnus-user-agent
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495 'gnus-msg-mail 'message-send-and-exit
496 'message-kill-buffer 'message-send-hook)
25fc4fd5 497
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498(defun gnus-setup-posting-charset (group)
499 (let ((alist gnus-group-posting-charset-alist)
500 (group (or group ""))
501 elem)
502 (when group
503 (catch 'found
504 (while (setq elem (pop alist))
505 (when (or (and (stringp (car elem))
506 (string-match (car elem) group))
23f87bed 507 (and (functionp (car elem))
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508 (funcall (car elem) group))
509 (and (symbolp (car elem))
510 (symbol-value (car elem))))
511 (throw 'found (cons (cadr elem) (caddr elem)))))))))
512
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513(defun gnus-inews-add-send-actions (winconf buffer article
514 &optional config yanked)
515 (gnus-make-local-hook 'message-sent-hook)
0342aa5b
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516 (add-hook 'message-sent-hook (if gnus-agent 'gnus-agent-possibly-do-gcc
517 'gnus-inews-do-gcc) nil t)
518 (when gnus-agent
23f87bed 519 (gnus-make-local-hook 'message-header-hook)
0342aa5b 520 (add-hook 'message-header-hook 'gnus-agent-possibly-save-gcc nil t))
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521 (setq message-post-method
522 `(lambda (arg)
523 (gnus-post-method arg ,gnus-newsgroup-name)))
eec82323 524 (message-add-action
6748645f 525 `(when (gnus-buffer-exists-p ,buffer)
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526 (set-window-configuration ,winconf))
527 'exit 'postpone 'kill)
528 (let ((to-be-marked (cond
529 (yanked
530 (mapcar
531 (lambda (x) (if (listp x) (car x) x)) yanked))
532 (article (if (listp article) article (list article)))
533 (t nil))))
534 (message-add-action
535 `(when (gnus-buffer-exists-p ,buffer)
536 (save-excursion
537 (set-buffer ,buffer)
538 ,(when to-be-marked
539 (if (eq config 'forward)
540 `(gnus-summary-mark-article-as-forwarded ',to-be-marked)
541 `(gnus-summary-mark-article-as-replied ',to-be-marked)))))
542 'send)))
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543
544(put 'gnus-setup-message 'lisp-indent-function 1)
545(put 'gnus-setup-message 'edebug-form-spec '(form body))
546
547;;; Post news commands of Gnus group mode and summary mode
548
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549(defun gnus-group-mail (&optional arg)
550 "Start composing a mail.
551If ARG, use the group under the point to find a posting style.
552If ARG is 1, prompt for a group name to find the posting style."
553 (interactive "P")
554 ;; We can't `let' gnus-newsgroup-name here, since that leads
555 ;; to local variables leaking.
556 (let ((group gnus-newsgroup-name)
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557 ;; make sure last viewed article doesn't affect posting styles:
558 (gnus-article-copy)
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GM
559 (buffer (current-buffer)))
560 (unwind-protect
561 (progn
562 (setq gnus-newsgroup-name
563 (if arg
564 (if (= 1 (prefix-numeric-value arg))
565 (completing-read "Use posting style of group: "
566 gnus-active-hashtb nil
567 (gnus-read-active-file-p))
568 (gnus-group-group-name))
569 ""))
23f87bed 570 ;; #### see comment in gnus-setup-message -- drv
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GM
571 (gnus-setup-message 'message (message-mail)))
572 (save-excursion
573 (set-buffer buffer)
574 (setq gnus-newsgroup-name group)))))
eec82323 575
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576(defun gnus-group-news (&optional arg)
577 "Start composing a news.
578If ARG, post to group under point.
579If ARG is 1, prompt for group name to post to.
580
581This function prepares a news even when using mail groups. This is useful
582for posting messages to mail groups without actually sending them over the
583network. The corresponding back end must have a 'request-post method."
584 (interactive "P")
585 ;; We can't `let' gnus-newsgroup-name here, since that leads
586 ;; to local variables leaking.
587 (let ((group gnus-newsgroup-name)
588 ;; make sure last viewed article doesn't affect posting styles:
589 (gnus-article-copy)
590 (buffer (current-buffer)))
591 (unwind-protect
592 (progn
593 (setq gnus-newsgroup-name
594 (if arg
595 (if (= 1 (prefix-numeric-value arg))
596 (completing-read "Use group: "
597 gnus-active-hashtb nil
598 (gnus-read-active-file-p))
599 (gnus-group-group-name))
600 ""))
601 ;; #### see comment in gnus-setup-message -- drv
602 (gnus-setup-message 'message
603 (message-news (gnus-group-real-name gnus-newsgroup-name))))
604 (save-excursion
605 (set-buffer buffer)
606 (setq gnus-newsgroup-name group)))))
607
eec82323 608(defun gnus-group-post-news (&optional arg)
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609 "Start composing a message (a news by default).
610If ARG, post to group under point. If ARG is 1, prompt for group name.
611Depending on the selected group, the message might be either a mail or
612a news."
eec82323 613 (interactive "P")
6748645f 614 ;; Bind this variable here to make message mode hooks work ok.
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615 (let ((gnus-newsgroup-name
616 (if arg
617 (if (= 1 (prefix-numeric-value arg))
618 (completing-read "Newsgroup: " gnus-active-hashtb nil
619 (gnus-read-active-file-p))
620 (gnus-group-group-name))
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621 ""))
622 ;; make sure last viewed article doesn't affect posting styles:
623 (gnus-article-copy))
624 (gnus-post-news 'post gnus-newsgroup-name nil nil nil nil
625 (string= gnus-newsgroup-name ""))))
626
627(defun gnus-summary-mail-other-window (&optional arg)
628 "Start composing a mail in another window.
629Use the posting of the current group by default.
630If ARG, don't do that. If ARG is 1, prompt for group name to find the
631posting style."
632 (interactive "P")
633 ;; We can't `let' gnus-newsgroup-name here, since that leads
634 ;; to local variables leaking.
635 (let ((group gnus-newsgroup-name)
636 ;; make sure last viewed article doesn't affect posting styles:
637 (gnus-article-copy)
638 (buffer (current-buffer)))
639 (unwind-protect
640 (progn
641 (setq gnus-newsgroup-name
642 (if arg
643 (if (= 1 (prefix-numeric-value arg))
644 (completing-read "Use group: "
645 gnus-active-hashtb nil
646 (gnus-read-active-file-p))
647 "")
648 gnus-newsgroup-name))
649 ;; #### see comment in gnus-setup-message -- drv
650 (gnus-setup-message 'message (message-mail)))
651 (save-excursion
652 (set-buffer buffer)
653 (setq gnus-newsgroup-name group)))))
654
655(defun gnus-summary-news-other-window (&optional arg)
656 "Start composing a news in another window.
657Post to the current group by default.
658If ARG, don't do that. If ARG is 1, prompt for group name to post to.
659
660This function prepares a news even when using mail groups. This is useful
661for posting messages to mail groups without actually sending them over the
662network. The corresponding back end must have a 'request-post method."
663 (interactive "P")
664 ;; We can't `let' gnus-newsgroup-name here, since that leads
665 ;; to local variables leaking.
666 (let ((group gnus-newsgroup-name)
667 ;; make sure last viewed article doesn't affect posting styles:
668 (gnus-article-copy)
669 (buffer (current-buffer)))
670 (unwind-protect
671 (progn
672 (setq gnus-newsgroup-name
673 (if arg
674 (if (= 1 (prefix-numeric-value arg))
675 (completing-read "Use group: "
676 gnus-active-hashtb nil
677 (gnus-read-active-file-p))
678 "")
679 gnus-newsgroup-name))
680 ;; #### see comment in gnus-setup-message -- drv
681 (gnus-setup-message 'message
682 (progn
683 (message-news (gnus-group-real-name gnus-newsgroup-name))
684 (set (make-local-variable 'gnus-discouraged-post-methods)
685 (delq
686 (car (gnus-find-method-for-group gnus-newsgroup-name))
687 (copy-sequence gnus-discouraged-post-methods))))))
688 (save-excursion
689 (set-buffer buffer)
690 (setq gnus-newsgroup-name group)))))
691
692(defun gnus-summary-post-news (&optional arg)
693 "Start composing a message. Post to the current group by default.
694If ARG, don't do that. If ARG is 1, prompt for a group name to post to.
695Depending on the selected group, the message might be either a mail or
696a news."
697 (interactive "P")
698 ;; Bind this variable here to make message mode hooks work ok.
699 (let ((gnus-newsgroup-name
700 (if arg
701 (if (= 1 (prefix-numeric-value arg))
702 (completing-read "Newsgroup: " gnus-active-hashtb nil
703 (gnus-read-active-file-p))
704 "")
705 gnus-newsgroup-name))
706 ;; make sure last viewed article doesn't affect posting styles:
707 (gnus-article-copy))
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708 (gnus-post-news 'post gnus-newsgroup-name)))
709
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710
711(defun gnus-summary-followup (yank &optional force-news)
712 "Compose a followup to an article.
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713If prefix argument YANK is non-nil, the original article is yanked
714automatically.
715YANK is a list of elements, where the car of each element is the
716article number, and the cdr is the string to be yanked."
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717 (interactive
718 (list (and current-prefix-arg
719 (gnus-summary-work-articles 1))))
eec82323 720 (when yank
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721 (gnus-summary-goto-subject
722 (if (listp (car yank))
723 (caar yank)
724 (car yank))))
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725 (save-window-excursion
726 (gnus-summary-select-article))
727 (let ((headers (gnus-summary-article-header (gnus-summary-article-number)))
728 (gnus-newsgroup-name gnus-newsgroup-name))
729 ;; Send a followup.
730 (gnus-post-news nil gnus-newsgroup-name
731 headers gnus-article-buffer
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732 yank nil force-news)
733 (gnus-summary-handle-replysign)))
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734
735(defun gnus-summary-followup-with-original (n &optional force-news)
23f87bed
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736 "Compose a followup to an article and include the original article.
737The text in the region will be yanked. If the region isn't
738active, the entire article will be yanked."
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739 (interactive "P")
740 (gnus-summary-followup (gnus-summary-work-articles n) force-news))
741
742(defun gnus-summary-followup-to-mail (&optional arg)
743 "Followup to the current mail message via news."
744 (interactive
745 (list (and current-prefix-arg
746 (gnus-summary-work-articles 1))))
747 (gnus-summary-followup arg t))
748
749(defun gnus-summary-followup-to-mail-with-original (&optional arg)
750 "Followup to the current mail message via news."
751 (interactive "P")
752 (gnus-summary-followup (gnus-summary-work-articles arg) t))
753
754(defun gnus-inews-yank-articles (articles)
23f87bed 755 (let (beg article yank-string)
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756 (message-goto-body)
757 (while (setq article (pop articles))
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758 (when (listp article)
759 (setq yank-string (nth 1 article)
760 article (nth 0 article)))
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761 (save-window-excursion
762 (set-buffer gnus-summary-buffer)
763 (gnus-summary-select-article nil nil nil article)
764 (gnus-summary-remove-process-mark article))
23f87bed 765 (gnus-copy-article-buffer nil yank-string)
eec82323 766 (let ((message-reply-buffer gnus-article-copy)
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767 (message-reply-headers
768 ;; The headers are decoded.
769 (with-current-buffer gnus-article-copy
770 (save-restriction
771 (nnheader-narrow-to-headers)
772 (nnheader-parse-naked-head)))))
eec82323 773 (message-yank-original)
c429815a 774 (message-exchange-point-and-mark)
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775 (setq beg (or beg (mark t))))
776 (when articles
777 (insert "\n")))
778 (push-mark)
779 (goto-char beg)))
780
6748645f
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781(defun gnus-summary-cancel-article (&optional n symp)
782 "Cancel an article you posted.
783Uses the process-prefix convention. If given the symbolic
784prefix `a', cancel using the standard posting method; if not
785post using the current select method."
786 (interactive (gnus-interactive "P\ny"))
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787 (let ((articles (gnus-summary-work-articles n))
788 (message-post-method
789 `(lambda (arg)
23f87bed 790 (gnus-post-method (eq ',symp 'a) ,gnus-newsgroup-name)))
eec82323
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791 article)
792 (while (setq article (pop articles))
793 (when (gnus-summary-select-article t nil nil article)
794 (when (gnus-eval-in-buffer-window gnus-original-article-buffer
795 (message-cancel-news))
796 (gnus-summary-mark-as-read article gnus-canceled-mark)
797 (gnus-cache-remove-article 1))
798 (gnus-article-hide-headers-if-wanted))
799 (gnus-summary-remove-process-mark article))))
800
801(defun gnus-summary-supersede-article ()
802 "Compose an article that will supersede a previous article.
803This is done simply by taking the old article and adding a Supersedes
804header line with the old Message-ID."
805 (interactive)
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806 (let ((article (gnus-summary-article-number)))
807 (gnus-setup-message 'reply-yank
808 (gnus-summary-select-article t)
809 (set-buffer gnus-original-article-buffer)
810 (message-supersede)
811 (push
812 `((lambda ()
6748645f 813 (when (gnus-buffer-exists-p ,gnus-summary-buffer)
eec82323 814 (save-excursion
6748645f 815 (set-buffer ,gnus-summary-buffer)
eec82323
LMI
816 (gnus-cache-possibly-remove-article ,article nil nil nil t)
817 (gnus-summary-mark-as-read ,article gnus-canceled-mark)))))
818 message-send-actions))))
25fc4fd5 819
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820\f
821
23f87bed 822(defun gnus-copy-article-buffer (&optional article-buffer yank-string)
eec82323
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823 ;; make a copy of the article buffer with all text properties removed
824 ;; this copy is in the buffer gnus-article-copy.
825 ;; if ARTICLE-BUFFER is nil, gnus-article-buffer is used
826 ;; this buffer should be passed to all mail/news reply/post routines.
6748645f 827 (setq gnus-article-copy (gnus-get-buffer-create " *gnus article copy*"))
16409b0b
GM
828 (save-excursion
829 (set-buffer gnus-article-copy)
830 (mm-enable-multibyte))
eec82323 831 (let ((article-buffer (or article-buffer gnus-article-buffer))
6748645f 832 end beg)
eec82323 833 (if (not (and (get-buffer article-buffer)
6748645f 834 (gnus-buffer-exists-p article-buffer)))
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835 (error "Can't find any article buffer")
836 (save-excursion
837 (set-buffer article-buffer)
23f87bed
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838 (let ((gnus-newsgroup-charset (or gnus-article-charset
839 gnus-newsgroup-charset))
840 (gnus-newsgroup-ignored-charsets
841 (or gnus-article-ignored-charsets
842 gnus-newsgroup-ignored-charsets)))
843 (save-restriction
844 ;; Copy over the (displayed) article buffer, delete
845 ;; hidden text and remove text properties.
846 (widen)
847 (copy-to-buffer gnus-article-copy (point-min) (point-max))
848 (set-buffer gnus-article-copy)
849 (when yank-string
850 (message-goto-body)
851 (delete-region (point) (point-max))
852 (insert yank-string))
853 (gnus-article-delete-text-of-type 'annotation)
7dafe00b 854 (gnus-article-delete-text-of-type 'multipart)
23f87bed
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855 (gnus-remove-text-with-property 'gnus-prev)
856 (gnus-remove-text-with-property 'gnus-next)
857 (gnus-remove-text-with-property 'gnus-decoration)
858 (insert
859 (prog1
860 (buffer-substring-no-properties (point-min) (point-max))
861 (erase-buffer)))
862 ;; Find the original headers.
863 (set-buffer gnus-original-article-buffer)
864 (goto-char (point-min))
865 (while (looking-at message-unix-mail-delimiter)
866 (forward-line 1))
867 (let ((mail-header-separator ""))
868 (setq beg (point)
869 end (or (message-goto-body)
870 ;; There may be just a header.
871 (point-max))))
872 ;; Delete the headers from the displayed articles.
873 (set-buffer gnus-article-copy)
874 (let ((mail-header-separator ""))
875 (delete-region (goto-char (point-min))
876 (or (message-goto-body) (point-max))))
877 ;; Insert the original article headers.
878 (insert-buffer-substring gnus-original-article-buffer beg end)
879 ;; Decode charsets.
880 (let ((gnus-article-decode-hook
881 (delq 'article-decode-charset
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882 (copy-sequence gnus-article-decode-hook)))
883 (rfc2047-quote-decoded-words-containing-tspecials t))
23f87bed 884 (run-hooks 'gnus-article-decode-hook)))))
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885 gnus-article-copy)))
886
887(defun gnus-post-news (post &optional group header article-buffer yank subject
888 force-news)
889 (when article-buffer
890 (gnus-copy-article-buffer))
23f87bed
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891 (let ((gnus-article-reply (and article-buffer (gnus-summary-article-number)))
892 (gnus-article-yanked-articles yank)
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893 (add-to-list gnus-add-to-list))
894 (gnus-setup-message (cond (yank 'reply-yank)
895 (article-buffer 'reply)
896 (t 'message))
897 (let* ((group (or group gnus-newsgroup-name))
16409b0b 898 (charset (gnus-group-name-charset nil group))
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899 (pgroup group)
900 to-address to-group mailing-list to-list
901 newsgroup-p)
902 (when group
23f87bed 903 (setq to-address (gnus-parameter-to-address group)
eec82323 904 to-group (gnus-group-find-parameter group 'to-group)
23f87bed 905 to-list (gnus-parameter-to-list group)
eec82323
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906 newsgroup-p (gnus-group-find-parameter group 'newsgroup)
907 mailing-list (when gnus-mailing-list-groups
908 (string-match gnus-mailing-list-groups group))
16409b0b
GM
909 group (gnus-group-name-decode (gnus-group-real-name group)
910 charset)))
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911 (if (or (and to-group
912 (gnus-news-group-p to-group))
913 newsgroup-p
914 force-news
915 (and (gnus-news-group-p
916 (or pgroup gnus-newsgroup-name)
23f87bed 917 (or header gnus-current-article))
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918 (not mailing-list)
919 (not to-list)
920 (not to-address)))
921 ;; This is news.
922 (if post
f4dd4ae8
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923 (message-news
924 (or to-group
925 (and (not (gnus-virtual-group-p pgroup)) group)))
eec82323 926 (set-buffer gnus-article-copy)
6748645f 927 (gnus-msg-treat-broken-reply-to)
23f87bed
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928 (message-followup (if (or newsgroup-p force-news)
929 (if (save-restriction
930 (article-narrow-to-head)
931 (message-fetch-field "newsgroups"))
932 nil
933 "")
934 to-group)))
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935 ;; The is mail.
936 (if post
937 (progn
938 (message-mail (or to-address to-list))
939 ;; Arrange for mail groups that have no `to-address' to
940 ;; get that when the user sends off the mail.
941 (when (and (not to-list)
942 (not to-address)
943 add-to-list)
944 (push (list 'gnus-inews-add-to-address pgroup)
945 message-send-actions)))
946 (set-buffer gnus-article-copy)
6748645f
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947 (gnus-msg-treat-broken-reply-to)
948 (message-wide-reply to-address)))
eec82323
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949 (when yank
950 (gnus-inews-yank-articles yank))))))
951
23f87bed 952(defun gnus-msg-treat-broken-reply-to (&optional force)
8f688cb0 953 "Remove the Reply-to header if broken-reply-to."
23f87bed
MB
954 (when (or force
955 (gnus-group-find-parameter
956 gnus-newsgroup-name 'broken-reply-to))
6748645f
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957 (save-restriction
958 (message-narrow-to-head)
959 (message-remove-header "reply-to"))))
960
eec82323
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961(defun gnus-post-method (arg group &optional silent)
962 "Return the posting method based on GROUP and ARG.
963If SILENT, don't prompt the user."
23f87bed
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964 (let ((gnus-post-method (or (gnus-parameter-post-method group)
965 gnus-post-method))
966 (group-method (gnus-find-method-for-group group)))
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967 (cond
968 ;; If the group-method is nil (which shouldn't happen) we use
969 ;; the default method.
970 ((null group-method)
23f87bed
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971 (or (and (listp gnus-post-method) ;If not current/native/nil
972 (not (listp (car gnus-post-method))) ; and not a list of methods
973 gnus-post-method) ;then use it.
974 gnus-select-method
975 message-post-method))
6748645f 976 ;; We want the inverse of the default
eec82323 977 ((and arg (not (eq arg 0)))
23f87bed 978 (if (eq gnus-post-method 'current)
6748645f
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979 gnus-select-method
980 group-method))
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981 ;; We query the user for a post method.
982 ((or arg
23f87bed 983 (and (listp gnus-post-method)
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984 (listp (car gnus-post-method))))
985 (let* ((methods
986 ;; Collect all methods we know about.
987 (append
23f87bed 988 (when (listp gnus-post-method)
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989 (if (listp (car gnus-post-method))
990 gnus-post-method
991 (list gnus-post-method)))
992 gnus-secondary-select-methods
6748645f 993 (mapcar 'cdr gnus-server-alist)
16409b0b 994 (mapcar 'car gnus-opened-servers)
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995 (list gnus-select-method)
996 (list group-method)))
997 method-alist post-methods method)
998 ;; Weed out all mail methods.
999 (while methods
1000 (setq method (gnus-server-get-method "" (pop methods)))
16409b0b
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1001 (when (and (or (gnus-method-option-p method 'post)
1002 (gnus-method-option-p method 'post-mail))
1003 (not (member method post-methods)))
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1004 (push method post-methods)))
1005 ;; Create a name-method alist.
1006 (setq method-alist
1007 (mapcar
1008 (lambda (m)
23f87bed
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1009 (if (equal (cadr m) "")
1010 (list (symbol-name (car m)) m)
1011 (list (concat (cadr m) " (" (symbol-name (car m)) ")") m)))
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1012 post-methods))
1013 ;; Query the user.
1014 (cadr
1015 (assoc
1016 (setq gnus-last-posting-server
1017 (if (and silent
1018 gnus-last-posting-server)
1019 ;; Just use the last value.
1020 gnus-last-posting-server
1021 (completing-read
1022 "Posting method: " method-alist nil t
1023 (cons (or gnus-last-posting-server "") 0))))
1024 method-alist))))
1025 ;; Override normal method.
6748645f 1026 ((and (eq gnus-post-method 'current)
23f87bed
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1027 (not (memq (car group-method) gnus-discouraged-post-methods))
1028 (gnus-get-function group-method 'request-post t))
1029 (assert (not arg))
16409b0b 1030 group-method)
23f87bed
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1031 ;; Use gnus-post-method.
1032 ((listp gnus-post-method) ;A method...
1033 (assert (not (listp (car gnus-post-method)))) ;... not a list of methods.
eec82323 1034 gnus-post-method)
23f87bed 1035 ;; Use the normal select method (nil or native).
eec82323
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1036 (t gnus-select-method))))
1037
eec82323
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1038\f
1039
eec82323 1040(defun gnus-extended-version ()
23f87bed
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1041 "Stringified Gnus version and Emacs version.
1042See the variable `gnus-user-agent'."
eec82323 1043 (interactive)
4a2358e9
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1044 (if (stringp gnus-user-agent)
1045 gnus-user-agent
1046 ;; `gnus-user-agent' is a list:
1047 (let* ((float-output-format nil)
1048 (gnus-v
1049 (when (memq 'gnus gnus-user-agent)
1050 (concat "Gnus/"
1051 (prin1-to-string (gnus-continuum-version gnus-version) t)
1052 " (" gnus-version ")")))
1053 (emacs-v (gnus-emacs-version)))
1054 (concat gnus-v (when (and gnus-v emacs-v) " ")
1055 emacs-v))))
eec82323 1056
eec82323
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1057\f
1058;;;
1059;;; Gnus Mail Functions
1060;;;
1061
1062;;; Mail reply commands of Gnus summary mode
1063
23f87bed
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1064(defun gnus-summary-reply (&optional yank wide very-wide)
1065 "Start composing a mail reply to the current message.
eec82323 1066If prefix argument YANK is non-nil, the original article is yanked
23f87bed
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1067automatically.
1068If WIDE, make a wide reply.
1069If VERY-WIDE, make a very wide reply."
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1070 (interactive
1071 (list (and current-prefix-arg
1072 (gnus-summary-work-articles 1))))
23f87bed
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1073 ;; Allow user to require confirmation before replying by mail to the
1074 ;; author of a news article (or mail message).
1075 (when (or
1076 (not (or (gnus-news-group-p gnus-newsgroup-name)
1077 gnus-confirm-treat-mail-like-news))
1078 (not (cond ((stringp gnus-confirm-mail-reply-to-news)
1079 (string-match gnus-confirm-mail-reply-to-news
1080 gnus-newsgroup-name))
1081 ((functionp gnus-confirm-mail-reply-to-news)
1082 (funcall gnus-confirm-mail-reply-to-news gnus-newsgroup-name))
1083 (t gnus-confirm-mail-reply-to-news)))
1084 (y-or-n-p "Really reply by mail to article author? "))
1085 (let* ((article
1086 (if (listp (car yank))
1087 (caar yank)
1088 (car yank)))
1089 (gnus-article-reply (or article (gnus-summary-article-number)))
1090 (gnus-article-yanked-articles yank)
1091 (headers ""))
1092 ;; Stripping headers should be specified with mail-yank-ignored-headers.
eec82323 1093 (when yank
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1094 (gnus-summary-goto-subject article))
1095 (gnus-setup-message (if yank 'reply-yank 'reply)
1096 (if (not very-wide)
1097 (gnus-summary-select-article)
1098 (dolist (article very-wide)
1099 (gnus-summary-select-article nil nil nil article)
1100 (save-excursion
1101 (set-buffer (gnus-copy-article-buffer))
1102 (gnus-msg-treat-broken-reply-to)
1103 (save-restriction
1104 (message-narrow-to-head)
1105 (setq headers (concat headers (buffer-string)))))))
1106 (set-buffer (gnus-copy-article-buffer))
1107 (gnus-msg-treat-broken-reply-to gnus-msg-force-broken-reply-to)
1108 (save-restriction
1109 (message-narrow-to-head)
1110 (when very-wide
1111 (erase-buffer)
1112 (insert headers))
1113 (goto-char (point-max)))
1114 (mml-quote-region (point) (point-max))
1115 (message-reply nil wide)
1116 (when yank
1117 (gnus-inews-yank-articles yank))
1118 (gnus-summary-handle-replysign)))))
1119
1120(defun gnus-summary-handle-replysign ()
1121 "Check the various replysign variables and take action accordingly."
1122 (when (or gnus-message-replysign gnus-message-replyencrypt)
1123 (let (signed encrypted)
1124 (save-excursion
1125 (set-buffer gnus-article-buffer)
1126 (setq signed (memq 'signed gnus-article-wash-types))
1127 (setq encrypted (memq 'encrypted gnus-article-wash-types)))
1128 (cond ((and gnus-message-replyencrypt encrypted)
1129 (mml-secure-message mml-default-encrypt-method
1130 (if gnus-message-replysignencrypted
1131 'signencrypt
1132 'encrypt)))
1133 ((and gnus-message-replysign signed)
1134 (mml-secure-message mml-default-sign-method 'sign))))))
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1135
1136(defun gnus-summary-reply-with-original (n &optional wide)
1137 "Start composing a reply mail to the current message.
1138The original article will be yanked."
1139 (interactive "P")
1140 (gnus-summary-reply (gnus-summary-work-articles n) wide))
1141
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1142(defun gnus-summary-reply-broken-reply-to (&optional yank wide very-wide)
1143 "Like `gnus-summary-reply' except removing reply-to field.
1144If prefix argument YANK is non-nil, the original article is yanked
1145automatically.
1146If WIDE, make a wide reply.
1147If VERY-WIDE, make a very wide reply."
1148 (interactive
1149 (list (and current-prefix-arg
1150 (gnus-summary-work-articles 1))))
1151 (let ((gnus-msg-force-broken-reply-to t))
1152 (gnus-summary-reply yank wide very-wide)))
1153
1154(defun gnus-summary-reply-broken-reply-to-with-original (n &optional wide)
1155 "Like `gnus-summary-reply-with-original' except removing reply-to field.
1156The original article will be yanked."
1157 (interactive "P")
1158 (gnus-summary-reply-broken-reply-to (gnus-summary-work-articles n) wide))
1159
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1160(defun gnus-summary-wide-reply (&optional yank)
1161 "Start composing a wide reply mail to the current message.
1162If prefix argument YANK is non-nil, the original article is yanked
1163automatically."
1164 (interactive
1165 (list (and current-prefix-arg
1166 (gnus-summary-work-articles 1))))
1167 (gnus-summary-reply yank t))
1168
1169(defun gnus-summary-wide-reply-with-original (n)
1170 "Start composing a wide reply mail to the current message.
23f87bed
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1171The original article will be yanked.
1172Uses the process/prefix convention."
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1173 (interactive "P")
1174 (gnus-summary-reply-with-original n t))
1175
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1176(defun gnus-summary-very-wide-reply (&optional yank)
1177 "Start composing a very wide reply mail to the current message.
1178If prefix argument YANK is non-nil, the original article is yanked
1179automatically."
1180 (interactive
1181 (list (and current-prefix-arg
1182 (gnus-summary-work-articles 1))))
1183 (gnus-summary-reply yank t (gnus-summary-work-articles yank)))
1184
1185(defun gnus-summary-very-wide-reply-with-original (n)
1186 "Start composing a very wide reply mail to the current message.
1187The original article will be yanked."
1188 (interactive "P")
1189 (gnus-summary-reply
1190 (gnus-summary-work-articles n) t (gnus-summary-work-articles n)))
1191
16409b0b 1192(defun gnus-summary-mail-forward (&optional arg post)
23f87bed
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1193 "Forward the current message(s) to another user.
1194If process marks exist, forward all marked messages;
1195if ARG is nil, see `message-forward-as-mime' and `message-forward-show-mml';
16409b0b 1196if ARG is 1, decode the message and forward directly inline;
25fc4fd5 1197if ARG is 2, forward message as an rfc822 MIME section;
16409b0b 1198if ARG is 3, decode message and forward as an rfc822 MIME section;
25fc4fd5 1199if ARG is 4, forward message directly inline;
16409b0b 1200otherwise, use flipped `message-forward-as-mime'.
23f87bed
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1201If POST, post instead of mail.
1202For the `inline' alternatives, also see the variable
1203`message-forward-ignored-headers'."
eec82323 1204 (interactive "P")
23f87bed
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1205 (if (cdr (gnus-summary-work-articles nil))
1206 ;; Process marks are given.
1207 (gnus-uu-digest-mail-forward arg post)
1208 ;; No process marks.
1209 (let ((message-forward-as-mime message-forward-as-mime)
1210 (message-forward-show-mml message-forward-show-mml))
1211 (cond
1212 ((null arg))
1213 ((eq arg 1)
1214 (setq message-forward-as-mime nil
1215 message-forward-show-mml t))
1216 ((eq arg 2)
1217 (setq message-forward-as-mime t
1218 message-forward-show-mml nil))
1219 ((eq arg 3)
1220 (setq message-forward-as-mime t
1221 message-forward-show-mml t))
1222 ((eq arg 4)
1223 (setq message-forward-as-mime nil
1224 message-forward-show-mml nil))
1225 (t
1226 (setq message-forward-as-mime (not message-forward-as-mime))))
1227 (let* ((gnus-article-reply (gnus-summary-article-number))
1228 (gnus-article-yanked-articles (list gnus-article-reply)))
1229 (gnus-setup-message 'forward
1230 (gnus-summary-select-article)
1231 (let ((mail-parse-charset
1232 (or (and (gnus-buffer-live-p gnus-article-buffer)
1233 (with-current-buffer gnus-article-buffer
1234 gnus-article-charset))
1235 gnus-newsgroup-charset))
1236 (mail-parse-ignored-charsets
1237 gnus-newsgroup-ignored-charsets))
1238 (set-buffer gnus-original-article-buffer)
1239 (message-forward post)))))))
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1240
1241(defun gnus-summary-resend-message (address n)
1242 "Resend the current article to ADDRESS."
23f87bed
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1243 (interactive
1244 (list (message-read-from-minibuffer
1245 "Resend message(s) to: "
1246 (when (and gnus-summary-resend-default-address
1247 (gnus-buffer-live-p gnus-original-article-buffer))
1248 ;; If some other article is currently selected, the
1249 ;; initial-contents is wrong. Whatever, it is just the
1250 ;; initial-contents.
1251 (with-current-buffer gnus-original-article-buffer
1252 (nnmail-fetch-field "to"))))
1253 current-prefix-arg))
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1254 (let ((articles (gnus-summary-work-articles n))
1255 article)
1256 (while (setq article (pop articles))
1257 (gnus-summary-select-article nil nil nil article)
1258 (save-excursion
1259 (set-buffer gnus-original-article-buffer)
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1260 (message-resend address))
1261 (gnus-summary-mark-article-as-forwarded article))))
1262
1263;; From: Matthieu Moy <Matthieu.Moy@imag.fr>
1264(defun gnus-summary-resend-message-edit ()
1265 "Resend an article that has already been sent.
1266A new buffer will be created to allow the user to modify body and
1267contents of the message, and then, everything will happen as when
1268composing a new message."
1269 (interactive)
1270 (let ((article (gnus-summary-article-number)))
1271 (gnus-setup-message 'reply-yank
1272 (gnus-summary-select-article t)
1273 (set-buffer gnus-original-article-buffer)
1274 (let ((cur (current-buffer))
1275 (to (message-fetch-field "to")))
1276 ;; Get a normal message buffer.
1277 (message-pop-to-buffer (message-buffer-name "Resend" to))
1278 (insert-buffer-substring cur)
1279 (mime-to-mml)
1280 (message-narrow-to-head-1)
1281 ;; Gnus will generate a new one when sending.
1282 (message-remove-header "Message-ID")
1283 (message-remove-header message-ignored-resent-headers t)
1284 ;; Remove unwanted headers.
1285 (goto-char (point-max))
1286 (insert mail-header-separator)
1287 (goto-char (point-min))
1288 (when (re-search-forward "^To:\\|^Newsgroups:" nil 'move)
1289 (forward-char 1))
1290 (widen)))))
eec82323 1291
16409b0b 1292(defun gnus-summary-post-forward (&optional arg)
eec82323 1293 "Forward the current article to a newsgroup.
16409b0b 1294See `gnus-summary-mail-forward' for ARG."
eec82323 1295 (interactive "P")
16409b0b 1296 (gnus-summary-mail-forward arg t))
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1297
1298(defvar gnus-nastygram-message
1299 "The following article was inappropriately posted to %s.\n\n"
1300 "Format string to insert in nastygrams.
1301The current group name will be inserted at \"%s\".")
1302
1303(defun gnus-summary-mail-nastygram (n)
1304 "Send a nastygram to the author of the current article."
1305 (interactive "P")
1306 (when (or gnus-expert-user
1307 (gnus-y-or-n-p
1308 "Really send a nastygram to the author of the current article? "))
1309 (let ((group gnus-newsgroup-name))
1310 (gnus-summary-reply-with-original n)
1311 (set-buffer gnus-message-buffer)
1312 (message-goto-body)
1313 (insert (format gnus-nastygram-message group))
1314 (message-send-and-exit))))
1315
1316(defun gnus-summary-mail-crosspost-complaint (n)
1317 "Send a complaint about crossposting to the current article(s)."
1318 (interactive "P")
1319 (let ((articles (gnus-summary-work-articles n))
1320 article)
1321 (while (setq article (pop articles))
1322 (set-buffer gnus-summary-buffer)
1323 (gnus-summary-goto-subject article)
1324 (let ((group (gnus-group-real-name gnus-newsgroup-name))
1325 newsgroups followup-to)
1326 (gnus-summary-select-article)
1327 (set-buffer gnus-original-article-buffer)
1328 (if (and (<= (length (message-tokenize-header
16409b0b
GM
1329 (setq newsgroups
1330 (mail-fetch-field "newsgroups"))
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1331 ", "))
1332 1)
1333 (or (not (setq followup-to (mail-fetch-field "followup-to")))
1334 (not (member group (message-tokenize-header
1335 followup-to ", ")))))
1336 (if followup-to
1337 (gnus-message 1 "Followup-to restricted")
1338 (gnus-message 1 "Not a crossposted article"))
1339 (set-buffer gnus-summary-buffer)
1340 (gnus-summary-reply-with-original 1)
1341 (set-buffer gnus-message-buffer)
1342 (message-goto-body)
1343 (insert (format gnus-crosspost-complaint newsgroups group))
1344 (message-goto-subject)
1345 (re-search-forward " *$")
1346 (replace-match " (crosspost notification)" t t)
6748645f 1347 (gnus-deactivate-mark)
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1348 (when (gnus-y-or-n-p "Send this complaint? ")
1349 (message-send-and-exit)))))))
1350
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1351(defun gnus-mail-parse-comma-list ()
1352 (let (accumulated
1353 beg)
1354 (skip-chars-forward " ")
1355 (while (not (eobp))
1356 (setq beg (point))
1357 (skip-chars-forward "^,")
1358 (while (zerop
1359 (save-excursion
1360 (save-restriction
1361 (let ((i 0))
1362 (narrow-to-region beg (point))
1363 (goto-char beg)
1364 (logand (progn
1365 (while (search-forward "\"" nil t)
1366 (incf i))
1367 (if (zerop i) 2 i))
1368 2)))))
1369 (skip-chars-forward ",")
1370 (skip-chars-forward "^,"))
1371 (skip-chars-backward " ")
1372 (push (buffer-substring beg (point))
1373 accumulated)
1374 (skip-chars-forward "^,")
1375 (skip-chars-forward ", "))
1376 accumulated))
1377
1378(defun gnus-inews-add-to-address (group)
1379 (let ((to-address (mail-fetch-field "to")))
1380 (when (and to-address
1381 (gnus-alive-p))
1382 ;; This mail group doesn't have a `to-list', so we add one
1383 ;; here. Magic!
1384 (when (gnus-y-or-n-p
23f87bed 1385 (format "Do you want to add this as `to-list': %s? " to-address))
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1386 (gnus-group-add-parameter group (cons 'to-list to-address))))))
1387
1388(defun gnus-put-message ()
1389 "Put the current message in some group and return to Gnus."
1390 (interactive)
1391 (let ((reply gnus-article-reply)
1392 (winconf gnus-prev-winconf)
1393 (group gnus-newsgroup-name))
23f87bed
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1394 (unless (and group
1395 (not (gnus-group-read-only-p group)))
1396 (setq group (read-string "Put in group: " nil (gnus-writable-groups))))
eec82323 1397
eec82323
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1398 (when (gnus-gethash group gnus-newsrc-hashtb)
1399 (error "No such group: %s" group))
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1400 (save-excursion
1401 (save-restriction
1402 (widen)
1403 (message-narrow-to-headers)
23f87bed
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1404 (let ((gnus-deletable-headers nil))
1405 (message-generate-headers
1406 (if (message-news-p)
1407 message-required-news-headers
1408 message-required-mail-headers)))
eec82323 1409 (goto-char (point-max))
23f87bed
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1410 (if (string-match " " group)
1411 (insert "Gcc: \"" group "\"\n")
1412 (insert "Gcc: " group "\n"))
eec82323 1413 (widen)))
eec82323 1414 (gnus-inews-do-gcc)
23f87bed
MB
1415 (when (and (get-buffer gnus-group-buffer)
1416 (gnus-buffer-exists-p (car-safe reply))
1417 (cdr reply))
1418 (set-buffer (car reply))
1419 (gnus-summary-mark-article-as-replied (cdr reply)))
1420 (when winconf
1421 (set-window-configuration winconf))))
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1422
1423(defun gnus-article-mail (yank)
1424 "Send a reply to the address near point.
1425If YANK is non-nil, include the original article."
1426 (interactive "P")
1427 (let ((address
1428 (buffer-substring
1429 (save-excursion (re-search-backward "[ \t\n]" nil t) (1+ (point)))
1430 (save-excursion (re-search-forward "[ \t\n]" nil t) (1- (point))))))
1431 (when address
23f87bed 1432 (gnus-msg-mail address)
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1433 (when yank
1434 (gnus-inews-yank-articles (list (cdr gnus-article-current)))))))
1435
1436(defvar nntp-server-type)
1437(defun gnus-bug ()
1438 "Send a bug report to the Gnus maintainers."
1439 (interactive)
1440 (unless (gnus-alive-p)
1441 (error "Gnus has been shut down"))
88818fbe
SZ
1442 (gnus-setup-message (if (message-mail-user-agent) 'message 'bug)
1443 (unless (message-mail-user-agent)
1444 (delete-other-windows)
1445 (when gnus-bug-create-help-buffer
1446 (switch-to-buffer "*Gnus Help Bug*")
1447 (erase-buffer)
1448 (insert gnus-bug-message)
1449 (goto-char (point-min)))
1450 (message-pop-to-buffer "*Gnus Bug*"))
1451 (let ((message-this-is-mail t))
1452 (message-setup `((To . ,gnus-maintainer) (Subject . ""))))
6748645f
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1453 (when gnus-bug-create-help-buffer
1454 (push `(gnus-bug-kill-buffer) message-send-actions))
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1455 (goto-char (point-min))
1456 (re-search-forward (concat "^" (regexp-quote mail-header-separator) "$"))
1457 (forward-line 1)
6748645f
LMI
1458 (insert (gnus-version) "\n"
1459 (emacs-version) "\n")
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1460 (when (and (boundp 'nntp-server-type)
1461 (stringp nntp-server-type))
1462 (insert nntp-server-type))
1463 (insert "\n\n\n\n\n")
16409b0b
GM
1464 (let (text)
1465 (save-excursion
1466 (set-buffer (gnus-get-buffer-create " *gnus environment info*"))
23f87bed 1467 (erase-buffer)
16409b0b
GM
1468 (gnus-debug)
1469 (setq text (buffer-string)))
23f87bed 1470 (insert "<#part type=application/emacs-lisp disposition=inline description=\"User settings\">\n" text "\n<#/part>"))
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1471 (goto-char (point-min))
1472 (search-forward "Subject: " nil t)
1473 (message "")))
1474
1475(defun gnus-bug-kill-buffer ()
1476 (when (get-buffer "*Gnus Help Bug*")
1477 (kill-buffer "*Gnus Help Bug*")))
1478
16409b0b
GM
1479(defun gnus-summary-yank-message (buffer n)
1480 "Yank the current article into a composed message."
1481 (interactive
1482 (list (completing-read "Buffer: " (mapcar 'list (message-buffers)) nil t)
1483 current-prefix-arg))
1484 (gnus-summary-iterate n
23f87bed 1485 (let ((gnus-inhibit-treatment t))
16409b0b
GM
1486 (gnus-summary-select-article))
1487 (save-excursion
1488 (set-buffer buffer)
1489 (message-yank-buffer gnus-article-buffer))))
1490
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1491(defun gnus-debug ()
1492 "Attempts to go through the Gnus source file and report what variables have been changed.
1493The source file has to be in the Emacs load path."
1494 (interactive)
23f87bed 1495 (let ((files gnus-debug-files)
6748645f 1496 (point (point))
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1497 file expr olist sym)
1498 (gnus-message 4 "Please wait while we snoop your variables...")
1499 (sit-for 0)
1500 ;; Go through all the files looking for non-default values for variables.
1501 (save-excursion
6748645f 1502 (set-buffer (gnus-get-buffer-create " *gnus bug info*"))
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1503 (while files
1504 (erase-buffer)
1505 (when (and (setq file (locate-library (pop files)))
1506 (file-exists-p file))
1507 (insert-file-contents file)
1508 (goto-char (point-min))
1509 (if (not (re-search-forward "^;;* *Internal variables" nil t))
1510 (gnus-message 4 "Malformed sources in file %s" file)
1511 (narrow-to-region (point-min) (point))
1512 (goto-char (point-min))
1513 (while (setq expr (ignore-errors (read (current-buffer))))
1514 (ignore-errors
1515 (and (or (eq (car expr) 'defvar)
1516 (eq (car expr) 'defcustom))
1517 (stringp (nth 3 expr))
23f87bed 1518 (not (memq (nth 1 expr) gnus-debug-exclude-variables))
eec82323
LMI
1519 (or (not (boundp (nth 1 expr)))
1520 (not (equal (eval (nth 2 expr))
1521 (symbol-value (nth 1 expr)))))
1522 (push (nth 1 expr) olist)))))))
1523 (kill-buffer (current-buffer)))
1524 (when (setq olist (nreverse olist))
1525 (insert "------------------ Environment follows ------------------\n\n"))
1526 (while olist
1527 (if (boundp (car olist))
23f87bed
MB
1528 (ignore-errors
1529 (gnus-pp
1530 `(setq ,(car olist)
1531 ,(if (or (consp (setq sym (symbol-value (car olist))))
1532 (and (symbolp sym)
1533 (not (or (eq sym nil)
1534 (eq sym t)))))
1535 (list 'quote (symbol-value (car olist)))
1536 (symbol-value (car olist))))))
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1537 (insert ";; (makeunbound '" (symbol-name (car olist)) ")\n"))
1538 (setq olist (cdr olist)))
1539 (insert "\n\n")
6748645f 1540 ;; Remove any control chars - they seem to cause trouble for some
eec82323 1541 ;; mailers. (Byte-compiled output from the stuff above.)
6748645f 1542 (goto-char point)
eb6a2b61 1543 (while (re-search-forward (mm-string-as-multibyte
7c3bb5a5 1544 "[\000-\010\013-\037\200-\237]") nil t)
6748645f
LMI
1545 (replace-match (format "\\%03o" (string-to-char (match-string 0)))
1546 t t))))
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1547
1548;;; Treatment of rejected articles.
1549;;; Bounced mail.
1550
1551(defun gnus-summary-resend-bounced-mail (&optional fetch)
1552 "Re-mail the current message.
23f87bed 1553This only makes sense if the current message is a bounce message that
eec82323
LMI
1554contains some mail you have written which has been bounced back to
1555you.
1556If FETCH, try to fetch the article that this is a reply to, if indeed
1557this is a reply."
1558 (interactive "P")
1559 (gnus-summary-select-article t)
1560 (set-buffer gnus-original-article-buffer)
1561 (gnus-setup-message 'compose-bounce
1562 (let* ((references (mail-fetch-field "references"))
1563 (parent (and references (gnus-parent-id references))))
1564 (message-bounce)
1565 ;; If there are references, we fetch the article we answered to.
1566 (and fetch parent
1567 (gnus-summary-refer-article parent)
1568 (gnus-summary-show-all-headers)))))
1569
1570;;; Gcc handling.
1571
0342aa5b 1572(defun gnus-inews-group-method (group)
23f87bed
MB
1573 (cond
1574 ;; If the group doesn't exist, we assume
1575 ;; it's an archive group...
1576 ((and (null (gnus-get-info group))
1577 (eq (car (gnus-server-to-method gnus-message-archive-method))
1578 (car (gnus-server-to-method (gnus-group-method group)))))
1579 gnus-message-archive-method)
1580 ;; Use the method.
1581 ((gnus-info-method (gnus-get-info group))
1582 (gnus-info-method (gnus-get-info group)))
1583 ;; Find the method.
1584 (t (gnus-server-to-method (gnus-group-method group)))))
0342aa5b 1585
eec82323
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1586;; Do Gcc handling, which copied the message over to some group.
1587(defun gnus-inews-do-gcc (&optional gcc)
1588 (interactive)
23f87bed
MB
1589 (save-excursion
1590 (save-restriction
1591 (message-narrow-to-headers)
1592 (let ((gcc (or gcc (mail-fetch-field "gcc" nil t)))
1593 (cur (current-buffer))
1594 groups group method group-art
1595 mml-externalize-attachments)
1596 (when gcc
1597 (message-remove-header "gcc")
1598 (widen)
1599 (setq groups (message-unquote-tokens
1600 (message-tokenize-header gcc " ,")))
1601 ;; Copy the article over to some group(s).
1602 (while (setq group (pop groups))
1603 (unless (gnus-check-server
1604 (setq method (gnus-inews-group-method group)))
1605 (error "Can't open server %s" (if (stringp method) method
1606 (car method))))
1607 (unless (gnus-request-group group nil method)
1608 (gnus-request-create-group group method))
1609 (setq mml-externalize-attachments
1610 (if (stringp gnus-gcc-externalize-attachments)
1611 (string-match gnus-gcc-externalize-attachments group)
1612 gnus-gcc-externalize-attachments))
1613 (save-excursion
1614 (nnheader-set-temp-buffer " *acc*")
1615 (insert-buffer-substring cur)
1616 (message-encode-message-body)
1617 (save-restriction
1618 (message-narrow-to-headers)
1619 (let* ((mail-parse-charset message-default-charset)
1620 (newsgroups-field (save-restriction
1621 (message-narrow-to-headers-or-head)
1622 (message-fetch-field "Newsgroups")))
1623 (followup-field (save-restriction
1624 (message-narrow-to-headers-or-head)
1625 (message-fetch-field "Followup-To")))
1626 ;; BUG: We really need to get the charset for
1627 ;; each name in the Newsgroups and Followup-To
1628 ;; lines to allow crossposting between group
1629 ;; namess with incompatible character sets.
1630 ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2001-10-08.
1631 (group-field-charset
1632 (gnus-group-name-charset
1633 method (or newsgroups-field "")))
1634 (followup-field-charset
1635 (gnus-group-name-charset
1636 method (or followup-field "")))
1637 (rfc2047-header-encoding-alist
1638 (append
1639 (when group-field-charset
1640 (list (cons "Newsgroups" group-field-charset)))
1641 (when followup-field-charset
1642 (list (cons "Followup-To" followup-field-charset)))
1643 rfc2047-header-encoding-alist)))
1644 (mail-encode-encoded-word-buffer)))
1645 (goto-char (point-min))
1646 (when (re-search-forward
1647 (concat "^" (regexp-quote mail-header-separator) "$")
1648 nil t)
1649 (replace-match "" t t ))
1650 (unless (setq group-art
1651 (gnus-request-accept-article group method t t))
1652 (gnus-message 1 "Couldn't store article in group %s: %s"
1653 group (gnus-status-message method))
1654 (sit-for 2))
1655 (when (and group-art
1656 ;; FIXME: Should gcc-mark-as-read work when
1657 ;; Gnus is not running?
1658 (gnus-alive-p)
1659 (or gnus-gcc-mark-as-read
1660 (and
1661 (boundp 'gnus-inews-mark-gcc-as-read)
1662 (symbol-value 'gnus-inews-mark-gcc-as-read))))
1663 (gnus-group-mark-article-read group (cdr group-art)))
1664 (kill-buffer (current-buffer)))))))))
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1665
1666(defun gnus-inews-insert-gcc ()
1667 "Insert Gcc headers based on `gnus-outgoing-message-group'."
1668 (save-excursion
1669 (save-restriction
1670 (message-narrow-to-headers)
1671 (let* ((group gnus-outgoing-message-group)
1672 (gcc (cond
23f87bed 1673 ((functionp group)
eec82323 1674 (funcall group))
4a2358e9 1675 ((or (stringp group) (listp group))
eec82323
LMI
1676 group))))
1677 (when gcc
1678 (insert "Gcc: "
23f87bed
MB
1679 (if (stringp gcc)
1680 (if (string-match " " gcc)
1681 (concat "\"" gcc "\"")
1682 gcc)
1683 (mapconcat (lambda (group)
1684 (if (string-match " " group)
1685 (concat "\"" group "\"")
1686 group))
1687 gcc " "))
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1688 "\n"))))))
1689
1690(defun gnus-inews-insert-archive-gcc (&optional group)
1691 "Insert the Gcc to say where the article is to be archived."
1692 (let* ((var gnus-message-archive-group)
1693 (group (or group gnus-newsgroup-name ""))
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1694 (gcc-self-val
1695 (and gnus-newsgroup-name
16409b0b 1696 (not (equal gnus-newsgroup-name ""))
6748645f
LMI
1697 (gnus-group-find-parameter
1698 gnus-newsgroup-name 'gcc-self)))
16409b0b 1699 result
eec82323
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1700 (groups
1701 (cond
1702 ((null gnus-message-archive-method)
1703 ;; Ignore.
1704 nil)
1705 ((stringp var)
1706 ;; Just a single group.
1707 (list var))
1708 ((null var)
1709 ;; We don't want this.
1710 nil)
1711 ((and (listp var) (stringp (car var)))
1712 ;; A list of groups.
1713 var)
23f87bed 1714 ((functionp var)
eec82323
LMI
1715 ;; A function.
1716 (funcall var group))
1717 (t
1718 ;; An alist of regexps/functions/forms.
1719 (while (and var
1720 (not
1721 (setq result
1722 (cond
1723 ((stringp (caar var))
1724 ;; Regexp.
1725 (when (string-match (caar var) group)
1726 (cdar var)))
23f87bed 1727 ((functionp (car var))
eec82323
LMI
1728 ;; Function.
1729 (funcall (car var) group))
1730 (t
1731 (eval (car var)))))))
1732 (setq var (cdr var)))
1733 result)))
1734 name)
6748645f 1735 (when (or groups gcc-self-val)
eec82323
LMI
1736 (when (stringp groups)
1737 (setq groups (list groups)))
1738 (save-excursion
1739 (save-restriction
1740 (message-narrow-to-headers)
1741 (goto-char (point-max))
1742 (insert "Gcc: ")
6748645f
LMI
1743 (if gcc-self-val
1744 ;; Use the `gcc-self' param value instead.
eec82323
LMI
1745 (progn
1746 (insert
1747 (if (stringp gcc-self-val)
23f87bed
MB
1748 (if (string-match " " gcc-self-val)
1749 (concat "\"" gcc-self-val "\"")
1750 gcc-self-val)
1751 ;; In nndoc groups, we use the parent group name
1752 ;; instead of the current group.
1753 (let ((group (or (gnus-group-find-parameter
1754 gnus-newsgroup-name 'parent-group)
1755 group)))
1756 (if (string-match " " group)
1757 (concat "\"" group "\"")
1758 group))))
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1759 (if (not (eq gcc-self-val 'none))
1760 (insert "\n")
23f87bed 1761 (gnus-delete-line)))
6748645f 1762 ;; Use the list of groups.
eec82323 1763 (while (setq name (pop groups))
23f87bed
MB
1764 (let ((str (if (string-match ":" name)
1765 name
1766 (gnus-group-prefixed-name
1767 name gnus-message-archive-method))))
1768 (insert (if (string-match " " str)
1769 (concat "\"" str "\"")
1770 str)))
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LMI
1771 (when groups
1772 (insert " ")))
1773 (insert "\n")))))))
1774
23f87bed
MB
1775(defun gnus-mailing-list-followup-to ()
1776 "Look at the headers in the current buffer and return a Mail-Followup-To address."
1777 (let ((x-been-there (gnus-fetch-original-field "x-beenthere"))
1778 (list-post (gnus-fetch-original-field "list-post")))
1779 (when (and list-post
1780 (string-match "mailto:\\([^>]+\\)" list-post))
1781 (setq list-post (match-string 1 list-post)))
1782 (or list-post
1783 x-been-there)))
1784
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LMI
1785;;; Posting styles.
1786
23f87bed 1787(defun gnus-configure-posting-styles (&optional group-name)
6748645f
LMI
1788 "Configure posting styles according to `gnus-posting-styles'."
1789 (unless gnus-inhibit-posting-styles
23f87bed 1790 (let ((group (or group-name gnus-newsgroup-name ""))
16409b0b 1791 (styles gnus-posting-styles)
23f87bed 1792 style match attribute value v results
16409b0b
GM
1793 filep name address element)
1794 ;; If the group has a posting-style parameter, add it at the end with a
1795 ;; regexp matching everything, to be sure it takes precedence over all
1796 ;; the others.
1797 (when gnus-newsgroup-name
1798 (let ((tmp-style (gnus-group-find-parameter group 'posting-style t)))
1799 (when tmp-style
1800 (setq styles (append styles (list (cons ".*" tmp-style)))))))
6748645f 1801 ;; Go through all styles and look for matches.
16409b0b
GM
1802 (dolist (style styles)
1803 (setq match (pop style))
1804 (goto-char (point-min))
1805 (when (cond
1806 ((stringp match)
1807 ;; Regexp string match on the group name.
1808 (string-match match group))
1809 ((eq match 'header)
23f87bed
MB
1810 ;; Obsolete format of header match.
1811 (and (gnus-buffer-live-p gnus-article-copy)
1812 (with-current-buffer gnus-article-copy
9b5773bc
MB
1813 (save-restriction
1814 (nnheader-narrow-to-headers)
1815 (let ((header (message-fetch-field (pop style))))
1816 (and header
1817 (string-match (pop style) header)))))))
16409b0b 1818 ((or (symbolp match)
23f87bed 1819 (functionp match))
16409b0b 1820 (cond
23f87bed 1821 ((functionp match)
16409b0b
GM
1822 ;; Function to be called.
1823 (funcall match))
1824 ((boundp match)
1825 ;; Variable to be checked.
1826 (symbol-value match))))
1827 ((listp match)
23f87bed
MB
1828 (cond
1829 ((eq (car match) 'header)
1830 ;; New format of header match.
1831 (and (gnus-buffer-live-p gnus-article-copy)
1832 (with-current-buffer gnus-article-copy
9b5773bc
MB
1833 (save-restriction
1834 (nnheader-narrow-to-headers)
1835 (let ((header (message-fetch-field (nth 1 match))))
1836 (and header
1837 (string-match (nth 2 match) header)))))))
23f87bed
MB
1838 (t
1839 ;; This is a form to be evaled.
1840 (eval match)))))
6748645f 1841 ;; We have a match, so we set the variables.
16409b0b
GM
1842 (dolist (attribute style)
1843 (setq element (pop attribute)
16409b0b
GM
1844 filep nil)
1845 (setq value
1846 (cond
1847 ((eq (car attribute) :file)
1848 (setq filep t)
1849 (cadr attribute))
1850 ((eq (car attribute) :value)
1851 (cadr attribute))
1852 (t
1853 (car attribute))))
1854 ;; We get the value.
1855 (setq v
1856 (cond
1857 ((stringp value)
1858 value)
1859 ((or (symbolp value)
23f87bed
MB
1860 (functionp value))
1861 (cond ((functionp value)
16409b0b
GM
1862 (funcall value))
1863 ((boundp value)
1864 (symbol-value value))))
1865 ((listp value)
1866 (eval value))))
1867 ;; Translate obsolescent value.
23f87bed
MB
1868 (cond
1869 ((eq element 'signature-file)
16409b0b
GM
1870 (setq element 'signature
1871 filep t))
23f87bed
MB
1872 ((eq element 'x-face-file)
1873 (setq element 'x-face
1874 filep t)))
16409b0b
GM
1875 ;; Get the contents of file elems.
1876 (when (and filep v)
1877 (setq v (with-temp-buffer
1878 (insert-file-contents v)
5f49be3f
MB
1879 (buffer-substring
1880 (point-min)
1881 (progn
1882 (goto-char (point-max))
1883 (if (zerop (skip-chars-backward "\n"))
1884 (point)
1885 (1+ (point))))))))
16409b0b
GM
1886 (setq results (delq (assoc element results) results))
1887 (push (cons element v) results))))
1888 ;; Now we have all the styles, so we insert them.
1889 (setq name (assq 'name results)
1890 address (assq 'address results))
1891 (setq results (delq name (delq address results)))
23f87bed
MB
1892 (gnus-make-local-hook 'message-setup-hook)
1893 (setq results (sort results (lambda (x y)
1894 (string-lessp (car x) (car y)))))
16409b0b
GM
1895 (dolist (result results)
1896 (add-hook 'message-setup-hook
1897 (cond
1898 ((eq 'eval (car result))
1899 'ignore)
1900 ((eq 'body (car result))
1901 `(lambda ()
1902 (save-excursion
1903 (message-goto-body)
1904 (insert ,(cdr result)))))
1905 ((eq 'signature (car result))
1906 (set (make-local-variable 'message-signature) nil)
1907 (set (make-local-variable 'message-signature-file) nil)
1908 (if (not (cdr result))
1909 'ignore
1910 `(lambda ()
1911 (save-excursion
1912 (let ((message-signature ,(cdr result)))
1913 (when message-signature
1914 (message-insert-signature)))))))
1915 (t
1916 (let ((header
1917 (if (symbolp (car result))
1918 (capitalize (symbol-name (car result)))
1919 (car result))))
1920 `(lambda ()
1921 (save-excursion
1922 (message-remove-header ,header)
1923 (let ((value ,(cdr result)))
1924 (when value
1925 (message-goto-eoh)
23f87bed
MB
1926 (insert ,header ": " value)
1927 (unless (bolp)
1928 (insert "\n")))))))))
1929 nil 'local))
16409b0b
GM
1930 (when (or name address)
1931 (add-hook 'message-setup-hook
1932 `(lambda ()
23f87bed
MB
1933 (set (make-local-variable 'user-mail-address)
1934 ,(or (cdr address) user-mail-address))
16409b0b
GM
1935 (let ((user-full-name ,(or (cdr name) (user-full-name)))
1936 (user-mail-address
1937 ,(or (cdr address) user-mail-address)))
1938 (save-excursion
1939 (message-remove-header "From")
1940 (message-goto-eoh)
23f87bed
MB
1941 (insert "From: " (message-make-from) "\n"))))
1942 nil 'local)))))
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LMI
1943
1944;;; Allow redefinition of functions.
1945
1946(gnus-ems-redefine)
1947
1948(provide 'gnus-msg)
1949
ab5796a9 1950;;; arch-tag: 9f22b2f5-1c0a-49de-916e-4c88e984852b
eec82323 1951;;; gnus-msg.el ends here