Revision: miles@gnu.org--gnu-2004/emacs--unicode--0--patch-75
[bpt/emacs.git] / lisp / gnus / gnus-msg.el
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eec82323 1;;; gnus-msg.el --- mail and post interface for Gnus
23f87bed 2;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
16409b0b 3;; Free Software Foundation, Inc.
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4
5;; Author: Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
6748645f 6;; Lars Magne Ingebrigtsen <larsi@gnus.org>
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7;; Keywords: news
8
9;; This file is part of GNU Emacs.
10
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)
14;; any later version.
15
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.
20
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., 59 Temple Place - Suite 330,
24;; Boston, MA 02111-1307, USA.
25
26;;; Commentary:
27
28;;; Code:
29
249ffa67
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30(eval-when-compile (require 'cl))
31
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32(require 'gnus)
33(require 'gnus-ems)
34(require 'message)
35(require 'gnus-art)
23f87bed 36(require 'gnus-util)
eec82323 37
16409b0b 38(defcustom gnus-post-method 'current
eec82323 39 "*Preferred method for posting USENET news.
eec82323 40
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41If this variable is `current' (which is the default), Gnus will use
42the \"current\" select method when posting. If it is `native', Gnus
43will use the native select method when posting.
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44
45This method will not be used in mail groups and the like, only in
46\"real\" newsgroups.
47
e818c17f 48If not `native' nor `current', the value must be a valid method as discussed
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49in the documentation of `gnus-select-method'. It can also be a list of
50methods. If that is the case, the user will be queried for what select
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51method to use when posting."
52 :group 'gnus-group-foreign
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53 :link '(custom-manual "(gnus)Posting Server")
54 :type `(choice (const native)
55 (const current)
6748645f 56 (sexp :tag "Methods" ,gnus-select-method)))
eec82323 57
23f87bed 58(defcustom gnus-outgoing-message-group nil
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59 "*All outgoing messages will be put in this group.
60If you want to store all your outgoing mail and articles in the group
61\"nnml:archive\", you set this variable to that value. This variable
62can also be a list of group names.
63
64If you want to have greater control over what group to put each
65message in, you can set this variable to a function that checks the
66current newsgroup name and then returns a suitable group name (or list
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67of names)."
68 :group 'gnus-message
69 :type '(choice (string :tag "Group")
70 (function)))
eec82323 71
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72(defcustom gnus-mailing-list-groups nil
73 "*If non-nil a regexp matching groups that are really mailing lists.
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74This is useful when you're reading a mailing list that has been
75gatewayed to a newsgroup, and you want to followup to an article in
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76the group."
77 :group 'gnus-message
78 :type '(choice (regexp)
79 (const nil)))
eec82323 80
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81(defcustom gnus-add-to-list nil
82 "*If non-nil, add a `to-list' parameter automatically."
83 :group 'gnus-message
84 :type 'boolean)
eec82323 85
23f87bed 86(defcustom gnus-crosspost-complaint
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87 "Hi,
88
89You posted the article below with the following Newsgroups header:
90
91Newsgroups: %s
92
93The %s group, at least, was an inappropriate recipient
94of this message. Please trim your Newsgroups header to exclude this
95group before posting in the future.
96
97Thank you.
98
99"
100 "Format string to be inserted when complaining about crossposts.
101The first %s will be replaced by the Newsgroups header;
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102the second with the current group name."
103 :group 'gnus-message
104 :type 'string)
105
106(defcustom gnus-message-setup-hook nil
107 "Hook run after setting up a message buffer."
108 :group 'gnus-message
109 :type 'hook)
110
111(defcustom gnus-bug-create-help-buffer t
112 "*Should we create the *Gnus Help Bug* buffer?"
113 :group 'gnus-message
114 :type 'boolean)
115
116(defcustom gnus-posting-styles nil
117 "*Alist of styles to use when posting.
118See Info node `(gnus)Posting Styles'."
119 :group 'gnus-message
120 :link '(custom-manual "(gnus)Posting Styles")
121 :type '(repeat (cons (choice (regexp)
122 (variable)
123 (list (const header)
124 (string :tag "Header")
125 (regexp :tag "Regexp"))
126 (function)
127 (sexp))
128 (repeat (list
129 (choice (const signature)
130 (const signature-file)
131 (const organization)
132 (const address)
133 (const x-face-file)
134 (const name)
135 (const body)
136 (symbol)
137 (string :tag "Header"))
138 (choice (string)
139 (function)
140 (variable)
141 (sexp)))))))
142
143(defcustom gnus-gcc-mark-as-read nil
144 "If non-nil, automatically mark Gcc articles as read."
a08b59c9 145 :version "21.4"
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146 :group 'gnus-message
147 :type 'boolean)
148
149(make-obsolete-variable 'gnus-inews-mark-gcc-as-read
150 'gnus-gcc-mark-as-read)
151
152(defcustom gnus-gcc-externalize-attachments nil
153 "Should local-file attachments be included as external parts in Gcc copies?
154If it is `all', attach files as external parts;
155if a regexp and matches the Gcc group name, attach files as external parts;
156if nil, attach files as normal parts."
a08b59c9 157 :version "21.4"
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158 :group 'gnus-message
159 :type '(choice (const nil :tag "None")
160 (const all :tag "Any")
161 (string :tag "Regexp")))
162
163(gnus-define-group-parameter
164 posting-charset-alist
165 :type list
166 :function-document
167 "Return the permitted unencoded charsets for posting of GROUP."
168 :variable gnus-group-posting-charset-alist
169 :variable-default
25fc4fd5 170 '(("^\\(no\\|fr\\)\\.[^,]*\\(,[ \t\n]*\\(no\\|fr\\)\\.[^,]*\\)*$" iso-8859-1 (iso-8859-1))
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171 ("^\\(fido7\\|relcom\\)\\.[^,]*\\(,[ \t\n]*\\(fido7\\|relcom\\)\\.[^,]*\\)*$" koi8-r (koi8-r))
172 (message-this-is-mail nil nil)
173 (message-this-is-news nil t))
23f87bed 174 :variable-document
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175 "Alist of regexps and permitted unencoded charsets for posting.
176Each element of the alist has the form (TEST HEADER BODY-LIST), where
177TEST is either a regular expression matching the newsgroup header or a
178variable to query,
179HEADER is the charset which may be left unencoded in the header (nil
180means encode all charsets),
181BODY-LIST is a list of charsets which may be encoded using 8bit
182content-transfer encoding in the body, or one of the special values
183nil (always encode using quoted-printable) or t (always use 8bit).
184
185Note that any value other than nil for HEADER infringes some RFCs, so
186use this option with care."
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187 :variable-group gnus-charset
188 :variable-type
189 '(repeat (list :tag "Permitted unencoded charsets"
190 (choice :tag "Where"
191 (regexp :tag "Group")
192 (const :tag "Mail message" :value message-this-is-mail)
193 (const :tag "News article" :value message-this-is-news))
194 (choice :tag "Header"
195 (const :tag "None" nil)
196 (symbol :tag "Charset"))
197 (choice :tag "Body"
198 (const :tag "Any" :value t)
199 (const :tag "None" :value nil)
200 (repeat :tag "Charsets"
201 (symbol :tag "Charset")))))
202 :parameter-type '(choice :tag "Permitted unencoded charsets"
203 :value nil
204 (repeat (symbol)))
205 :parameter-document "\
206List of charsets that are permitted to be unencoded.")
207
208(defcustom gnus-debug-files
209 '("gnus.el" "gnus-sum.el" "gnus-group.el"
210 "gnus-art.el" "gnus-start.el" "gnus-async.el"
211 "gnus-msg.el" "gnus-score.el" "gnus-win.el" "gnus-topic.el"
212 "gnus-agent.el" "gnus-cache.el" "gnus-srvr.el"
213 "mm-util.el" "mm-decode.el" "nnmail.el" "message.el")
214 "Files whose variables will be reported in `gnus-bug'."
a08b59c9 215 :version "21.4"
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216 :group 'gnus-message
217 :type '(repeat (string :tag "File")))
218
219(defcustom gnus-debug-exclude-variables
220 '(mm-mime-mule-charset-alist
221 nnmail-split-fancy message-minibuffer-local-map)
222 "Variables that should not be reported in `gnus-bug'."
a08b59c9 223 :version "21.4"
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224 :group 'gnus-message
225 :type '(repeat (symbol :tag "Variable")))
226
227(defcustom gnus-discouraged-post-methods
228 '(nndraft nnml nnimap nnmaildir nnmh nnfolder nndir)
229 "A list of back ends that are not used in \"real\" newsgroups.
230This variable is used only when `gnus-post-method' is `current'."
a08b59c9 231 :version "21.4"
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232 :group 'gnus-group-foreign
233 :type '(repeat (symbol :tag "Back end")))
234
235(defcustom gnus-message-replysign
236 nil
237 "Automatically sign replies to signed messages.
238See also the `mml-default-sign-method' variable."
239 :group 'gnus-message
240 :type 'boolean)
241
242(defcustom gnus-message-replyencrypt
243 nil
244 "Automatically encrypt replies to encrypted messages.
245See also the `mml-default-encrypt-method' variable."
246 :group 'gnus-message
247 :type 'boolean)
248
249(defcustom gnus-message-replysignencrypted
250 t
251 "Setting this causes automatically encrypted messages to also be signed."
252 :group 'gnus-message
253 :type 'boolean)
254
255(defcustom gnus-confirm-mail-reply-to-news nil
256 "If non-nil, Gnus requests confirmation when replying to news.
257This is done because new users often reply by mistake when reading
258news.
259This can also be a function receiving the group name as the only
260parameter which should return non-nil iff a confirmation is needed, or
261a regexp, in which case a confirmation is asked for iff the group name
262matches the regexp."
a08b59c9 263 :version "21.4"
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264 :group 'gnus-message
265 :type '(choice (const :tag "No" nil)
266 (const :tag "Yes" t)
267 (regexp :tag "Iff group matches regexp")
268 (function :tag "Iff function evaluates to non-nil")))
269
270(defcustom gnus-confirm-treat-mail-like-news
271 nil
272 "If non-nil, Gnus will treat mail like news with regard to confirmation
273when replying by mail. See the `gnus-confirm-mail-reply-to-news' variable
274for fine-tuning this.
275If nil, Gnus will never ask for confirmation if replying to mail."
a08b59c9 276 :version "21.4"
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277 :group 'gnus-message
278 :type 'boolean)
279
280(defcustom gnus-summary-resend-default-address t
281 "If non-nil, Gnus tries to suggest a default address to resend to.
282If nil, the address field will always be empty after invoking
283`gnus-summary-resend-message'."
e2642250 284 :version "21.4"
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285 :group 'gnus-message
286 :type 'boolean)
6748645f 287
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288;;; Internal variables.
289
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290(defvar gnus-inhibit-posting-styles nil
291 "Inhibit the use of posting styles.")
292
23f87bed 293(defvar gnus-article-yanked-articles nil)
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294(defvar gnus-message-buffer "*Mail Gnus*")
295(defvar gnus-article-copy nil)
23f87bed 296(defvar gnus-check-before-posting nil)
eec82323 297(defvar gnus-last-posting-server nil)
6748645f 298(defvar gnus-message-group-art nil)
eec82323 299
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300(defvar gnus-msg-force-broken-reply-to nil)
301
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302(defconst gnus-bug-message
303 "Sending a bug report to the Gnus Towers.
304========================================
305
306The buffer below is a mail buffer. When you press `C-c C-c', it will
307be sent to the Gnus Bug Exterminators.
308
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309The thing near the bottom of the buffer is how the environment
310settings will be included in the mail. Please do not delete that.
311They will tell the Bug People what your environment is, so that it
312will be easier to locate the bugs.
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313
314If you have found a bug that makes Emacs go \"beep\", set
315debug-on-error to t (`M-x set-variable RET debug-on-error RET t RET')
316and include the backtrace in your bug report.
317
318Please describe the bug in annoying, painstaking detail.
319
320Thank you for your help in stamping out bugs.
321")
322
323(eval-and-compile
324 (autoload 'gnus-uu-post-news "gnus-uu" nil t)
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325 (autoload 'news-setup "rnewspost")
326 (autoload 'news-reply-mode "rnewspost")
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327 (autoload 'rmail-dont-reply-to "mail-utils")
328 (autoload 'rmail-output "rmailout"))
329
330\f
331;;;
332;;; Gnus Posting Functions
333;;;
334
335(gnus-define-keys (gnus-summary-send-map "S" gnus-summary-mode-map)
336 "p" gnus-summary-post-news
23f87bed 337 "i" gnus-summary-news-other-window
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338 "f" gnus-summary-followup
339 "F" gnus-summary-followup-with-original
340 "c" gnus-summary-cancel-article
341 "s" gnus-summary-supersede-article
342 "r" gnus-summary-reply
16409b0b 343 "y" gnus-summary-yank-message
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344 "R" gnus-summary-reply-with-original
345 "w" gnus-summary-wide-reply
346 "W" gnus-summary-wide-reply-with-original
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347 "v" gnus-summary-very-wide-reply
348 "V" gnus-summary-very-wide-reply-with-original
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349 "n" gnus-summary-followup-to-mail
350 "N" gnus-summary-followup-to-mail-with-original
351 "m" gnus-summary-mail-other-window
352 "u" gnus-uu-post-news
353 "\M-c" gnus-summary-mail-crosspost-complaint
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354 "Br" gnus-summary-reply-broken-reply-to
355 "BR" gnus-summary-reply-broken-reply-to-with-original
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356 "om" gnus-summary-mail-forward
357 "op" gnus-summary-post-forward
358 "Om" gnus-uu-digest-mail-forward
359 "Op" gnus-uu-digest-post-forward)
360
361(gnus-define-keys (gnus-send-bounce-map "D" gnus-summary-send-map)
362 "b" gnus-summary-resend-bounced-mail
363 ;; "c" gnus-summary-send-draft
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364 "r" gnus-summary-resend-message
365 "e" gnus-summary-resend-message-edit)
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366
367;;; Internal functions.
368
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369(defun gnus-inews-make-draft ()
370 `(lambda ()
371 (gnus-inews-make-draft-meta-information
372 ,gnus-newsgroup-name ',gnus-article-reply)))
373
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374(defvar gnus-article-reply nil)
375(defmacro gnus-setup-message (config &rest forms)
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376 (let ((winconf (make-symbol "gnus-setup-message-winconf"))
377 (buffer (make-symbol "gnus-setup-message-buffer"))
378 (article (make-symbol "gnus-setup-message-article"))
23f87bed 379 (yanked (make-symbol "gnus-setup-yanked-articles"))
6748645f 380 (group (make-symbol "gnus-setup-message-group")))
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381 `(let ((,winconf (current-window-configuration))
382 (,buffer (buffer-name (current-buffer)))
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383 (,article gnus-article-reply)
384 (,yanked gnus-article-yanked-articles)
6748645f 385 (,group gnus-newsgroup-name)
eec82323 386 (message-header-setup-hook
6748645f 387 (copy-sequence message-header-setup-hook))
16409b0b 388 (mbl mml-buffer-list)
6748645f 389 (message-mode-hook (copy-sequence message-mode-hook)))
16409b0b 390 (setq mml-buffer-list nil)
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391 (add-hook 'message-header-setup-hook 'gnus-inews-insert-gcc)
392 (add-hook 'message-header-setup-hook 'gnus-inews-insert-archive-gcc)
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393 ;; #### FIXME: for a reason that I did not manage to identify yet,
394 ;; the variable `gnus-newsgroup-name' does not honor a dynamically
395 ;; scoped or setq'ed value from a caller like `C-u gnus-summary-mail'.
396 ;; After evaluation of @forms below, it gets the value we actually want
397 ;; to override, and the posting styles are used. For that reason, I've
398 ;; added an optional argument to `gnus-configure-posting-styles' to
399 ;; make sure that the correct value for the group name is used. -- drv
400 (add-hook 'message-mode-hook
401 (if (memq ,config '(reply-yank reply))
402 (lambda ()
403 (gnus-configure-posting-styles ,group))
404 (lambda ()
405 ;; There may be an old " *gnus article copy*" buffer.
406 (let (gnus-article-copy)
407 (gnus-configure-posting-styles ,group)))))
408 (gnus-pull ',(intern gnus-draft-meta-information-header)
409 message-required-headers)
410 (when (and ,group
411 (not (string= ,group "")))
412 (push (cons
413 (intern gnus-draft-meta-information-header)
414 (gnus-inews-make-draft))
415 message-required-headers))
eec82323 416 (unwind-protect
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417 (progn
418 ,@forms)
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419 (gnus-inews-add-send-actions ,winconf ,buffer ,article ,config
420 ,yanked)
eec82323 421 (setq gnus-message-buffer (current-buffer))
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422 (set (make-local-variable 'gnus-message-group-art)
423 (cons ,group ,article))
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424 (set (make-local-variable 'gnus-newsgroup-name) ,group)
425 (gnus-run-hooks 'gnus-message-setup-hook)
426 (if (eq major-mode 'message-mode)
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427 (let ((mbl1 mml-buffer-list))
428 (setq mml-buffer-list mbl) ;; Global value
429 (set (make-local-variable 'mml-buffer-list) mbl1);; Local value
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430 (gnus-make-local-hook 'kill-buffer-hook)
431 (gnus-make-local-hook 'change-major-mode-hook)
6553d8f2 432 (add-hook 'change-major-mode-hook 'mml-destroy-buffers nil t)
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433 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t))
434 (mml-destroy-buffers)
435 (setq mml-buffer-list mbl)))
23f87bed 436 (message-hide-headers)
6748645f 437 (gnus-add-buffer)
eec82323 438 (gnus-configure-windows ,config t)
23f87bed 439 (run-hooks 'post-command-hook)
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440 (set-buffer-modified-p nil))))
441
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442(defun gnus-inews-make-draft-meta-information (group article)
443 (concat "(\"" group "\" "
444 (if article (number-to-string
445 (if (listp article)
446 (car article)
447 article)) "\"\"")
448 ")"))
449
25fc4fd5 450;;;###autoload
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451(defun gnus-msg-mail (&optional to subject other-headers continue
452 switch-action yank-action send-actions)
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453 "Start editing a mail message to be sent.
454Like `message-mail', but with Gnus paraphernalia, particularly the
455Gcc: header for archiving purposes."
456 (interactive)
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457 (let ((buf (current-buffer))
458 mail-buf)
459 (gnus-setup-message 'message
460 (message-mail to subject other-headers continue
461 nil yank-action send-actions))
462 (when switch-action
463 (setq mail-buf (current-buffer))
464 (switch-to-buffer buf)
465 (apply switch-action mail-buf nil)))
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466 ;; COMPOSEFUNC should return t if succeed. Undocumented ???
467 t)
468
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469(defvar save-selected-window-window)
470
471;;;###autoload
472(defun gnus-button-mailto (address)
473 "Mail to ADDRESS."
474 (set-buffer (gnus-copy-article-buffer))
475 (gnus-setup-message 'message
476 (message-reply address))
477 (and (boundp 'save-selected-window-window)
478 (not (window-live-p save-selected-window-window))
479 (setq save-selected-window-window (selected-window))))
480
481;;;###autoload
482(defun gnus-button-reply (&optional to-address wide)
483 "Like `message-reply'."
484 (interactive)
485 (gnus-setup-message 'message
486 (message-reply to-address wide))
487 (and (boundp 'save-selected-window-window)
488 (not (window-live-p save-selected-window-window))
489 (setq save-selected-window-window (selected-window))))
490
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491;;;###autoload
492(define-mail-user-agent 'gnus-user-agent
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493 'gnus-msg-mail 'message-send-and-exit
494 'message-kill-buffer 'message-send-hook)
25fc4fd5 495
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496(defun gnus-setup-posting-charset (group)
497 (let ((alist gnus-group-posting-charset-alist)
498 (group (or group ""))
499 elem)
500 (when group
501 (catch 'found
502 (while (setq elem (pop alist))
503 (when (or (and (stringp (car elem))
504 (string-match (car elem) group))
23f87bed 505 (and (functionp (car elem))
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506 (funcall (car elem) group))
507 (and (symbolp (car elem))
508 (symbol-value (car elem))))
509 (throw 'found (cons (cadr elem) (caddr elem)))))))))
510
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511(defun gnus-inews-add-send-actions (winconf buffer article
512 &optional config yanked)
513 (gnus-make-local-hook 'message-sent-hook)
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514 (add-hook 'message-sent-hook (if gnus-agent 'gnus-agent-possibly-do-gcc
515 'gnus-inews-do-gcc) nil t)
516 (when gnus-agent
23f87bed 517 (gnus-make-local-hook 'message-header-hook)
0342aa5b 518 (add-hook 'message-header-hook 'gnus-agent-possibly-save-gcc nil t))
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519 (setq message-post-method
520 `(lambda (arg)
521 (gnus-post-method arg ,gnus-newsgroup-name)))
522 (setq message-newsreader (setq message-mailer (gnus-extended-version)))
eec82323 523 (message-add-action
6748645f 524 `(when (gnus-buffer-exists-p ,buffer)
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525 (set-window-configuration ,winconf))
526 'exit 'postpone 'kill)
527 (let ((to-be-marked (cond
528 (yanked
529 (mapcar
530 (lambda (x) (if (listp x) (car x) x)) yanked))
531 (article (if (listp article) article (list article)))
532 (t nil))))
533 (message-add-action
534 `(when (gnus-buffer-exists-p ,buffer)
535 (save-excursion
536 (set-buffer ,buffer)
537 ,(when to-be-marked
538 (if (eq config 'forward)
539 `(gnus-summary-mark-article-as-forwarded ',to-be-marked)
540 `(gnus-summary-mark-article-as-replied ',to-be-marked)))))
541 'send)))
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542
543(put 'gnus-setup-message 'lisp-indent-function 1)
544(put 'gnus-setup-message 'edebug-form-spec '(form body))
545
546;;; Post news commands of Gnus group mode and summary mode
547
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548(defun gnus-group-mail (&optional arg)
549 "Start composing a mail.
550If ARG, use the group under the point to find a posting style.
551If ARG is 1, prompt for a group name to find the posting style."
552 (interactive "P")
553 ;; We can't `let' gnus-newsgroup-name here, since that leads
554 ;; to local variables leaking.
555 (let ((group gnus-newsgroup-name)
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556 ;; make sure last viewed article doesn't affect posting styles:
557 (gnus-article-copy)
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558 (buffer (current-buffer)))
559 (unwind-protect
560 (progn
561 (setq gnus-newsgroup-name
562 (if arg
563 (if (= 1 (prefix-numeric-value arg))
564 (completing-read "Use posting style of group: "
565 gnus-active-hashtb nil
566 (gnus-read-active-file-p))
567 (gnus-group-group-name))
568 ""))
23f87bed 569 ;; #### see comment in gnus-setup-message -- drv
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570 (gnus-setup-message 'message (message-mail)))
571 (save-excursion
572 (set-buffer buffer)
573 (setq gnus-newsgroup-name group)))))
eec82323 574
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575(defun gnus-group-news (&optional arg)
576 "Start composing a news.
577If ARG, post to group under point.
578If ARG is 1, prompt for group name to post to.
579
580This function prepares a news even when using mail groups. This is useful
581for posting messages to mail groups without actually sending them over the
582network. The corresponding back end must have a 'request-post method."
583 (interactive "P")
584 ;; We can't `let' gnus-newsgroup-name here, since that leads
585 ;; to local variables leaking.
586 (let ((group gnus-newsgroup-name)
587 ;; make sure last viewed article doesn't affect posting styles:
588 (gnus-article-copy)
589 (buffer (current-buffer)))
590 (unwind-protect
591 (progn
592 (setq gnus-newsgroup-name
593 (if arg
594 (if (= 1 (prefix-numeric-value arg))
595 (completing-read "Use group: "
596 gnus-active-hashtb nil
597 (gnus-read-active-file-p))
598 (gnus-group-group-name))
599 ""))
600 ;; #### see comment in gnus-setup-message -- drv
601 (gnus-setup-message 'message
602 (message-news (gnus-group-real-name gnus-newsgroup-name))))
603 (save-excursion
604 (set-buffer buffer)
605 (setq gnus-newsgroup-name group)))))
606
eec82323 607(defun gnus-group-post-news (&optional arg)
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608 "Start composing a message (a news by default).
609If ARG, post to group under point. If ARG is 1, prompt for group name.
610Depending on the selected group, the message might be either a mail or
611a news."
eec82323 612 (interactive "P")
6748645f 613 ;; Bind this variable here to make message mode hooks work ok.
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614 (let ((gnus-newsgroup-name
615 (if arg
616 (if (= 1 (prefix-numeric-value arg))
617 (completing-read "Newsgroup: " gnus-active-hashtb nil
618 (gnus-read-active-file-p))
619 (gnus-group-group-name))
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620 ""))
621 ;; make sure last viewed article doesn't affect posting styles:
622 (gnus-article-copy))
623 (gnus-post-news 'post gnus-newsgroup-name nil nil nil nil
624 (string= gnus-newsgroup-name ""))))
625
626(defun gnus-summary-mail-other-window (&optional arg)
627 "Start composing a mail in another window.
628Use the posting of the current group by default.
629If ARG, don't do that. If ARG is 1, prompt for group name to find the
630posting style."
631 (interactive "P")
632 ;; We can't `let' gnus-newsgroup-name here, since that leads
633 ;; to local variables leaking.
634 (let ((group gnus-newsgroup-name)
635 ;; make sure last viewed article doesn't affect posting styles:
636 (gnus-article-copy)
637 (buffer (current-buffer)))
638 (unwind-protect
639 (progn
640 (setq gnus-newsgroup-name
641 (if arg
642 (if (= 1 (prefix-numeric-value arg))
643 (completing-read "Use group: "
644 gnus-active-hashtb nil
645 (gnus-read-active-file-p))
646 "")
647 gnus-newsgroup-name))
648 ;; #### see comment in gnus-setup-message -- drv
649 (gnus-setup-message 'message (message-mail)))
650 (save-excursion
651 (set-buffer buffer)
652 (setq gnus-newsgroup-name group)))))
653
654(defun gnus-summary-news-other-window (&optional arg)
655 "Start composing a news in another window.
656Post to the current group by default.
657If ARG, don't do that. If ARG is 1, prompt for group name to post to.
658
659This function prepares a news even when using mail groups. This is useful
660for posting messages to mail groups without actually sending them over the
661network. The corresponding back end must have a 'request-post method."
662 (interactive "P")
663 ;; We can't `let' gnus-newsgroup-name here, since that leads
664 ;; to local variables leaking.
665 (let ((group gnus-newsgroup-name)
666 ;; make sure last viewed article doesn't affect posting styles:
667 (gnus-article-copy)
668 (buffer (current-buffer)))
669 (unwind-protect
670 (progn
671 (setq gnus-newsgroup-name
672 (if arg
673 (if (= 1 (prefix-numeric-value arg))
674 (completing-read "Use group: "
675 gnus-active-hashtb nil
676 (gnus-read-active-file-p))
677 "")
678 gnus-newsgroup-name))
679 ;; #### see comment in gnus-setup-message -- drv
680 (gnus-setup-message 'message
681 (progn
682 (message-news (gnus-group-real-name gnus-newsgroup-name))
683 (set (make-local-variable 'gnus-discouraged-post-methods)
684 (delq
685 (car (gnus-find-method-for-group gnus-newsgroup-name))
686 (copy-sequence gnus-discouraged-post-methods))))))
687 (save-excursion
688 (set-buffer buffer)
689 (setq gnus-newsgroup-name group)))))
690
691(defun gnus-summary-post-news (&optional arg)
692 "Start composing a message. Post to the current group by default.
693If ARG, don't do that. If ARG is 1, prompt for a group name to post to.
694Depending on the selected group, the message might be either a mail or
695a news."
696 (interactive "P")
697 ;; Bind this variable here to make message mode hooks work ok.
698 (let ((gnus-newsgroup-name
699 (if arg
700 (if (= 1 (prefix-numeric-value arg))
701 (completing-read "Newsgroup: " gnus-active-hashtb nil
702 (gnus-read-active-file-p))
703 "")
704 gnus-newsgroup-name))
705 ;; make sure last viewed article doesn't affect posting styles:
706 (gnus-article-copy))
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707 (gnus-post-news 'post gnus-newsgroup-name)))
708
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709
710(defun gnus-summary-followup (yank &optional force-news)
711 "Compose a followup to an article.
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712If prefix argument YANK is non-nil, the original article is yanked
713automatically.
714YANK is a list of elements, where the car of each element is the
715article number, and the cdr is the string to be yanked."
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716 (interactive
717 (list (and current-prefix-arg
718 (gnus-summary-work-articles 1))))
eec82323 719 (when yank
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720 (gnus-summary-goto-subject
721 (if (listp (car yank))
722 (caar yank)
723 (car yank))))
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724 (save-window-excursion
725 (gnus-summary-select-article))
726 (let ((headers (gnus-summary-article-header (gnus-summary-article-number)))
727 (gnus-newsgroup-name gnus-newsgroup-name))
728 ;; Send a followup.
729 (gnus-post-news nil gnus-newsgroup-name
730 headers gnus-article-buffer
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731 yank nil force-news)
732 (gnus-summary-handle-replysign)))
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733
734(defun gnus-summary-followup-with-original (n &optional force-news)
23f87bed
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735 "Compose a followup to an article and include the original article.
736The text in the region will be yanked. If the region isn't
737active, the entire article will be yanked."
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738 (interactive "P")
739 (gnus-summary-followup (gnus-summary-work-articles n) force-news))
740
741(defun gnus-summary-followup-to-mail (&optional arg)
742 "Followup to the current mail message via news."
743 (interactive
744 (list (and current-prefix-arg
745 (gnus-summary-work-articles 1))))
746 (gnus-summary-followup arg t))
747
748(defun gnus-summary-followup-to-mail-with-original (&optional arg)
749 "Followup to the current mail message via news."
750 (interactive "P")
751 (gnus-summary-followup (gnus-summary-work-articles arg) t))
752
753(defun gnus-inews-yank-articles (articles)
23f87bed 754 (let (beg article yank-string)
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755 (message-goto-body)
756 (while (setq article (pop articles))
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757 (when (listp article)
758 (setq yank-string (nth 1 article)
759 article (nth 0 article)))
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760 (save-window-excursion
761 (set-buffer gnus-summary-buffer)
762 (gnus-summary-select-article nil nil nil article)
763 (gnus-summary-remove-process-mark article))
23f87bed 764 (gnus-copy-article-buffer nil yank-string)
eec82323 765 (let ((message-reply-buffer gnus-article-copy)
23f87bed
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766 (message-reply-headers
767 ;; The headers are decoded.
768 (with-current-buffer gnus-article-copy
769 (save-restriction
770 (nnheader-narrow-to-headers)
771 (nnheader-parse-naked-head)))))
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772 (message-yank-original)
773 (setq beg (or beg (mark t))))
774 (when articles
775 (insert "\n")))
776 (push-mark)
777 (goto-char beg)))
778
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779(defun gnus-summary-cancel-article (&optional n symp)
780 "Cancel an article you posted.
781Uses the process-prefix convention. If given the symbolic
782prefix `a', cancel using the standard posting method; if not
783post using the current select method."
784 (interactive (gnus-interactive "P\ny"))
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785 (let ((articles (gnus-summary-work-articles n))
786 (message-post-method
787 `(lambda (arg)
23f87bed 788 (gnus-post-method (eq ',symp 'a) ,gnus-newsgroup-name)))
eec82323
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789 article)
790 (while (setq article (pop articles))
791 (when (gnus-summary-select-article t nil nil article)
792 (when (gnus-eval-in-buffer-window gnus-original-article-buffer
793 (message-cancel-news))
794 (gnus-summary-mark-as-read article gnus-canceled-mark)
795 (gnus-cache-remove-article 1))
796 (gnus-article-hide-headers-if-wanted))
797 (gnus-summary-remove-process-mark article))))
798
799(defun gnus-summary-supersede-article ()
800 "Compose an article that will supersede a previous article.
801This is done simply by taking the old article and adding a Supersedes
802header line with the old Message-ID."
803 (interactive)
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804 (let ((article (gnus-summary-article-number)))
805 (gnus-setup-message 'reply-yank
806 (gnus-summary-select-article t)
807 (set-buffer gnus-original-article-buffer)
808 (message-supersede)
809 (push
810 `((lambda ()
6748645f 811 (when (gnus-buffer-exists-p ,gnus-summary-buffer)
eec82323 812 (save-excursion
6748645f 813 (set-buffer ,gnus-summary-buffer)
eec82323
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814 (gnus-cache-possibly-remove-article ,article nil nil nil t)
815 (gnus-summary-mark-as-read ,article gnus-canceled-mark)))))
816 message-send-actions))))
25fc4fd5 817
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818\f
819
23f87bed 820(defun gnus-copy-article-buffer (&optional article-buffer yank-string)
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821 ;; make a copy of the article buffer with all text properties removed
822 ;; this copy is in the buffer gnus-article-copy.
823 ;; if ARTICLE-BUFFER is nil, gnus-article-buffer is used
824 ;; this buffer should be passed to all mail/news reply/post routines.
6748645f 825 (setq gnus-article-copy (gnus-get-buffer-create " *gnus article copy*"))
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GM
826 (save-excursion
827 (set-buffer gnus-article-copy)
828 (mm-enable-multibyte))
eec82323 829 (let ((article-buffer (or article-buffer gnus-article-buffer))
6748645f 830 end beg)
eec82323 831 (if (not (and (get-buffer article-buffer)
6748645f 832 (gnus-buffer-exists-p article-buffer)))
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833 (error "Can't find any article buffer")
834 (save-excursion
835 (set-buffer article-buffer)
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836 (let ((gnus-newsgroup-charset (or gnus-article-charset
837 gnus-newsgroup-charset))
838 (gnus-newsgroup-ignored-charsets
839 (or gnus-article-ignored-charsets
840 gnus-newsgroup-ignored-charsets)))
841 (save-restriction
842 ;; Copy over the (displayed) article buffer, delete
843 ;; hidden text and remove text properties.
844 (widen)
845 (copy-to-buffer gnus-article-copy (point-min) (point-max))
846 (set-buffer gnus-article-copy)
847 (when yank-string
848 (message-goto-body)
849 (delete-region (point) (point-max))
850 (insert yank-string))
851 (gnus-article-delete-text-of-type 'annotation)
852 (gnus-remove-text-with-property 'gnus-prev)
853 (gnus-remove-text-with-property 'gnus-next)
854 (gnus-remove-text-with-property 'gnus-decoration)
855 (insert
856 (prog1
857 (buffer-substring-no-properties (point-min) (point-max))
858 (erase-buffer)))
859 ;; Find the original headers.
860 (set-buffer gnus-original-article-buffer)
861 (goto-char (point-min))
862 (while (looking-at message-unix-mail-delimiter)
863 (forward-line 1))
864 (let ((mail-header-separator ""))
865 (setq beg (point)
866 end (or (message-goto-body)
867 ;; There may be just a header.
868 (point-max))))
869 ;; Delete the headers from the displayed articles.
870 (set-buffer gnus-article-copy)
871 (let ((mail-header-separator ""))
872 (delete-region (goto-char (point-min))
873 (or (message-goto-body) (point-max))))
874 ;; Insert the original article headers.
875 (insert-buffer-substring gnus-original-article-buffer beg end)
876 ;; Decode charsets.
877 (let ((gnus-article-decode-hook
878 (delq 'article-decode-charset
879 (copy-sequence gnus-article-decode-hook))))
880 (run-hooks 'gnus-article-decode-hook)))))
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881 gnus-article-copy)))
882
883(defun gnus-post-news (post &optional group header article-buffer yank subject
884 force-news)
885 (when article-buffer
886 (gnus-copy-article-buffer))
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887 (let ((gnus-article-reply (and article-buffer (gnus-summary-article-number)))
888 (gnus-article-yanked-articles yank)
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889 (add-to-list gnus-add-to-list))
890 (gnus-setup-message (cond (yank 'reply-yank)
891 (article-buffer 'reply)
892 (t 'message))
893 (let* ((group (or group gnus-newsgroup-name))
16409b0b 894 (charset (gnus-group-name-charset nil group))
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895 (pgroup group)
896 to-address to-group mailing-list to-list
897 newsgroup-p)
898 (when group
23f87bed 899 (setq to-address (gnus-parameter-to-address group)
eec82323 900 to-group (gnus-group-find-parameter group 'to-group)
23f87bed 901 to-list (gnus-parameter-to-list group)
eec82323
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902 newsgroup-p (gnus-group-find-parameter group 'newsgroup)
903 mailing-list (when gnus-mailing-list-groups
904 (string-match gnus-mailing-list-groups group))
16409b0b
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905 group (gnus-group-name-decode (gnus-group-real-name group)
906 charset)))
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907 (if (or (and to-group
908 (gnus-news-group-p to-group))
909 newsgroup-p
910 force-news
911 (and (gnus-news-group-p
912 (or pgroup gnus-newsgroup-name)
23f87bed 913 (or header gnus-current-article))
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914 (not mailing-list)
915 (not to-list)
916 (not to-address)))
917 ;; This is news.
918 (if post
f4dd4ae8
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919 (message-news
920 (or to-group
921 (and (not (gnus-virtual-group-p pgroup)) group)))
eec82323 922 (set-buffer gnus-article-copy)
6748645f 923 (gnus-msg-treat-broken-reply-to)
23f87bed
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924 (message-followup (if (or newsgroup-p force-news)
925 (if (save-restriction
926 (article-narrow-to-head)
927 (message-fetch-field "newsgroups"))
928 nil
929 "")
930 to-group)))
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931 ;; The is mail.
932 (if post
933 (progn
934 (message-mail (or to-address to-list))
935 ;; Arrange for mail groups that have no `to-address' to
936 ;; get that when the user sends off the mail.
937 (when (and (not to-list)
938 (not to-address)
939 add-to-list)
940 (push (list 'gnus-inews-add-to-address pgroup)
941 message-send-actions)))
942 (set-buffer gnus-article-copy)
6748645f
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943 (gnus-msg-treat-broken-reply-to)
944 (message-wide-reply to-address)))
eec82323
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945 (when yank
946 (gnus-inews-yank-articles yank))))))
947
23f87bed 948(defun gnus-msg-treat-broken-reply-to (&optional force)
8f688cb0 949 "Remove the Reply-to header if broken-reply-to."
23f87bed
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950 (when (or force
951 (gnus-group-find-parameter
952 gnus-newsgroup-name 'broken-reply-to))
6748645f
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953 (save-restriction
954 (message-narrow-to-head)
955 (message-remove-header "reply-to"))))
956
eec82323
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957(defun gnus-post-method (arg group &optional silent)
958 "Return the posting method based on GROUP and ARG.
959If SILENT, don't prompt the user."
23f87bed
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960 (let ((gnus-post-method (or (gnus-parameter-post-method group)
961 gnus-post-method))
962 (group-method (gnus-find-method-for-group group)))
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963 (cond
964 ;; If the group-method is nil (which shouldn't happen) we use
965 ;; the default method.
966 ((null group-method)
23f87bed
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967 (or (and (listp gnus-post-method) ;If not current/native/nil
968 (not (listp (car gnus-post-method))) ; and not a list of methods
969 gnus-post-method) ;then use it.
970 gnus-select-method
971 message-post-method))
6748645f 972 ;; We want the inverse of the default
eec82323 973 ((and arg (not (eq arg 0)))
23f87bed 974 (if (eq gnus-post-method 'current)
6748645f
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975 gnus-select-method
976 group-method))
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977 ;; We query the user for a post method.
978 ((or arg
23f87bed 979 (and (listp gnus-post-method)
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980 (listp (car gnus-post-method))))
981 (let* ((methods
982 ;; Collect all methods we know about.
983 (append
23f87bed 984 (when (listp gnus-post-method)
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985 (if (listp (car gnus-post-method))
986 gnus-post-method
987 (list gnus-post-method)))
988 gnus-secondary-select-methods
6748645f 989 (mapcar 'cdr gnus-server-alist)
16409b0b 990 (mapcar 'car gnus-opened-servers)
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991 (list gnus-select-method)
992 (list group-method)))
993 method-alist post-methods method)
994 ;; Weed out all mail methods.
995 (while methods
996 (setq method (gnus-server-get-method "" (pop methods)))
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997 (when (and (or (gnus-method-option-p method 'post)
998 (gnus-method-option-p method 'post-mail))
999 (not (member method post-methods)))
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1000 (push method post-methods)))
1001 ;; Create a name-method alist.
1002 (setq method-alist
1003 (mapcar
1004 (lambda (m)
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1005 (if (equal (cadr m) "")
1006 (list (symbol-name (car m)) m)
1007 (list (concat (cadr m) " (" (symbol-name (car m)) ")") m)))
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1008 post-methods))
1009 ;; Query the user.
1010 (cadr
1011 (assoc
1012 (setq gnus-last-posting-server
1013 (if (and silent
1014 gnus-last-posting-server)
1015 ;; Just use the last value.
1016 gnus-last-posting-server
1017 (completing-read
1018 "Posting method: " method-alist nil t
1019 (cons (or gnus-last-posting-server "") 0))))
1020 method-alist))))
1021 ;; Override normal method.
6748645f 1022 ((and (eq gnus-post-method 'current)
23f87bed
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1023 (not (memq (car group-method) gnus-discouraged-post-methods))
1024 (gnus-get-function group-method 'request-post t))
1025 (assert (not arg))
16409b0b 1026 group-method)
23f87bed
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1027 ;; Use gnus-post-method.
1028 ((listp gnus-post-method) ;A method...
1029 (assert (not (listp (car gnus-post-method)))) ;... not a list of methods.
eec82323 1030 gnus-post-method)
23f87bed 1031 ;; Use the normal select method (nil or native).
eec82323
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1032 (t gnus-select-method))))
1033
eec82323
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1034\f
1035
eec82323 1036(defun gnus-extended-version ()
23f87bed
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1037 "Stringified Gnus version and Emacs version.
1038See the variable `gnus-user-agent'."
eec82323 1039 (interactive)
23f87bed
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1040 (let* ((float-output-format nil)
1041 (gnus-v
1042 (concat "Gnus/"
1043 (prin1-to-string (gnus-continuum-version gnus-version) t)
1044 " (" gnus-version ")"))
1045 (emacs-v (gnus-emacs-version)))
1046 (if (stringp gnus-user-agent)
1047 gnus-user-agent
1048 (concat gnus-v
1049 (when emacs-v
1050 (concat " " emacs-v))))))
eec82323 1051
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1052\f
1053;;;
1054;;; Gnus Mail Functions
1055;;;
1056
1057;;; Mail reply commands of Gnus summary mode
1058
23f87bed
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1059(defun gnus-summary-reply (&optional yank wide very-wide)
1060 "Start composing a mail reply to the current message.
eec82323 1061If prefix argument YANK is non-nil, the original article is yanked
23f87bed
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1062automatically.
1063If WIDE, make a wide reply.
1064If VERY-WIDE, make a very wide reply."
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1065 (interactive
1066 (list (and current-prefix-arg
1067 (gnus-summary-work-articles 1))))
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1068 ;; Allow user to require confirmation before replying by mail to the
1069 ;; author of a news article (or mail message).
1070 (when (or
1071 (not (or (gnus-news-group-p gnus-newsgroup-name)
1072 gnus-confirm-treat-mail-like-news))
1073 (not (cond ((stringp gnus-confirm-mail-reply-to-news)
1074 (string-match gnus-confirm-mail-reply-to-news
1075 gnus-newsgroup-name))
1076 ((functionp gnus-confirm-mail-reply-to-news)
1077 (funcall gnus-confirm-mail-reply-to-news gnus-newsgroup-name))
1078 (t gnus-confirm-mail-reply-to-news)))
1079 (y-or-n-p "Really reply by mail to article author? "))
1080 (let* ((article
1081 (if (listp (car yank))
1082 (caar yank)
1083 (car yank)))
1084 (gnus-article-reply (or article (gnus-summary-article-number)))
1085 (gnus-article-yanked-articles yank)
1086 (headers ""))
1087 ;; Stripping headers should be specified with mail-yank-ignored-headers.
eec82323 1088 (when yank
23f87bed
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1089 (gnus-summary-goto-subject article))
1090 (gnus-setup-message (if yank 'reply-yank 'reply)
1091 (if (not very-wide)
1092 (gnus-summary-select-article)
1093 (dolist (article very-wide)
1094 (gnus-summary-select-article nil nil nil article)
1095 (save-excursion
1096 (set-buffer (gnus-copy-article-buffer))
1097 (gnus-msg-treat-broken-reply-to)
1098 (save-restriction
1099 (message-narrow-to-head)
1100 (setq headers (concat headers (buffer-string)))))))
1101 (set-buffer (gnus-copy-article-buffer))
1102 (gnus-msg-treat-broken-reply-to gnus-msg-force-broken-reply-to)
1103 (save-restriction
1104 (message-narrow-to-head)
1105 (when very-wide
1106 (erase-buffer)
1107 (insert headers))
1108 (goto-char (point-max)))
1109 (mml-quote-region (point) (point-max))
1110 (message-reply nil wide)
1111 (when yank
1112 (gnus-inews-yank-articles yank))
1113 (gnus-summary-handle-replysign)))))
1114
1115(defun gnus-summary-handle-replysign ()
1116 "Check the various replysign variables and take action accordingly."
1117 (when (or gnus-message-replysign gnus-message-replyencrypt)
1118 (let (signed encrypted)
1119 (save-excursion
1120 (set-buffer gnus-article-buffer)
1121 (setq signed (memq 'signed gnus-article-wash-types))
1122 (setq encrypted (memq 'encrypted gnus-article-wash-types)))
1123 (cond ((and gnus-message-replyencrypt encrypted)
1124 (mml-secure-message mml-default-encrypt-method
1125 (if gnus-message-replysignencrypted
1126 'signencrypt
1127 'encrypt)))
1128 ((and gnus-message-replysign signed)
1129 (mml-secure-message mml-default-sign-method 'sign))))))
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1130
1131(defun gnus-summary-reply-with-original (n &optional wide)
1132 "Start composing a reply mail to the current message.
1133The original article will be yanked."
1134 (interactive "P")
1135 (gnus-summary-reply (gnus-summary-work-articles n) wide))
1136
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1137(defun gnus-summary-reply-broken-reply-to (&optional yank wide very-wide)
1138 "Like `gnus-summary-reply' except removing reply-to field.
1139If prefix argument YANK is non-nil, the original article is yanked
1140automatically.
1141If WIDE, make a wide reply.
1142If VERY-WIDE, make a very wide reply."
1143 (interactive
1144 (list (and current-prefix-arg
1145 (gnus-summary-work-articles 1))))
1146 (let ((gnus-msg-force-broken-reply-to t))
1147 (gnus-summary-reply yank wide very-wide)))
1148
1149(defun gnus-summary-reply-broken-reply-to-with-original (n &optional wide)
1150 "Like `gnus-summary-reply-with-original' except removing reply-to field.
1151The original article will be yanked."
1152 (interactive "P")
1153 (gnus-summary-reply-broken-reply-to (gnus-summary-work-articles n) wide))
1154
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1155(defun gnus-summary-wide-reply (&optional yank)
1156 "Start composing a wide reply mail to the current message.
1157If prefix argument YANK is non-nil, the original article is yanked
1158automatically."
1159 (interactive
1160 (list (and current-prefix-arg
1161 (gnus-summary-work-articles 1))))
1162 (gnus-summary-reply yank t))
1163
1164(defun gnus-summary-wide-reply-with-original (n)
1165 "Start composing a wide reply mail to the current message.
23f87bed
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1166The original article will be yanked.
1167Uses the process/prefix convention."
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1168 (interactive "P")
1169 (gnus-summary-reply-with-original n t))
1170
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1171(defun gnus-summary-very-wide-reply (&optional yank)
1172 "Start composing a very wide reply mail to the current message.
1173If prefix argument YANK is non-nil, the original article is yanked
1174automatically."
1175 (interactive
1176 (list (and current-prefix-arg
1177 (gnus-summary-work-articles 1))))
1178 (gnus-summary-reply yank t (gnus-summary-work-articles yank)))
1179
1180(defun gnus-summary-very-wide-reply-with-original (n)
1181 "Start composing a very wide reply mail to the current message.
1182The original article will be yanked."
1183 (interactive "P")
1184 (gnus-summary-reply
1185 (gnus-summary-work-articles n) t (gnus-summary-work-articles n)))
1186
16409b0b 1187(defun gnus-summary-mail-forward (&optional arg post)
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1188 "Forward the current message(s) to another user.
1189If process marks exist, forward all marked messages;
1190if ARG is nil, see `message-forward-as-mime' and `message-forward-show-mml';
16409b0b 1191if ARG is 1, decode the message and forward directly inline;
25fc4fd5 1192if ARG is 2, forward message as an rfc822 MIME section;
16409b0b 1193if ARG is 3, decode message and forward as an rfc822 MIME section;
25fc4fd5 1194if ARG is 4, forward message directly inline;
16409b0b 1195otherwise, use flipped `message-forward-as-mime'.
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1196If POST, post instead of mail.
1197For the `inline' alternatives, also see the variable
1198`message-forward-ignored-headers'."
eec82323 1199 (interactive "P")
23f87bed
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1200 (if (cdr (gnus-summary-work-articles nil))
1201 ;; Process marks are given.
1202 (gnus-uu-digest-mail-forward arg post)
1203 ;; No process marks.
1204 (let ((message-forward-as-mime message-forward-as-mime)
1205 (message-forward-show-mml message-forward-show-mml))
1206 (cond
1207 ((null arg))
1208 ((eq arg 1)
1209 (setq message-forward-as-mime nil
1210 message-forward-show-mml t))
1211 ((eq arg 2)
1212 (setq message-forward-as-mime t
1213 message-forward-show-mml nil))
1214 ((eq arg 3)
1215 (setq message-forward-as-mime t
1216 message-forward-show-mml t))
1217 ((eq arg 4)
1218 (setq message-forward-as-mime nil
1219 message-forward-show-mml nil))
1220 (t
1221 (setq message-forward-as-mime (not message-forward-as-mime))))
1222 (let* ((gnus-article-reply (gnus-summary-article-number))
1223 (gnus-article-yanked-articles (list gnus-article-reply)))
1224 (gnus-setup-message 'forward
1225 (gnus-summary-select-article)
1226 (let ((mail-parse-charset
1227 (or (and (gnus-buffer-live-p gnus-article-buffer)
1228 (with-current-buffer gnus-article-buffer
1229 gnus-article-charset))
1230 gnus-newsgroup-charset))
1231 (mail-parse-ignored-charsets
1232 gnus-newsgroup-ignored-charsets))
1233 (set-buffer gnus-original-article-buffer)
1234 (message-forward post)))))))
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1235
1236(defun gnus-summary-resend-message (address n)
1237 "Resend the current article to ADDRESS."
23f87bed
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1238 (interactive
1239 (list (message-read-from-minibuffer
1240 "Resend message(s) to: "
1241 (when (and gnus-summary-resend-default-address
1242 (gnus-buffer-live-p gnus-original-article-buffer))
1243 ;; If some other article is currently selected, the
1244 ;; initial-contents is wrong. Whatever, it is just the
1245 ;; initial-contents.
1246 (with-current-buffer gnus-original-article-buffer
1247 (nnmail-fetch-field "to"))))
1248 current-prefix-arg))
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1249 (let ((articles (gnus-summary-work-articles n))
1250 article)
1251 (while (setq article (pop articles))
1252 (gnus-summary-select-article nil nil nil article)
1253 (save-excursion
1254 (set-buffer gnus-original-article-buffer)
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1255 (message-resend address))
1256 (gnus-summary-mark-article-as-forwarded article))))
1257
1258;; From: Matthieu Moy <Matthieu.Moy@imag.fr>
1259(defun gnus-summary-resend-message-edit ()
1260 "Resend an article that has already been sent.
1261A new buffer will be created to allow the user to modify body and
1262contents of the message, and then, everything will happen as when
1263composing a new message."
1264 (interactive)
1265 (let ((article (gnus-summary-article-number)))
1266 (gnus-setup-message 'reply-yank
1267 (gnus-summary-select-article t)
1268 (set-buffer gnus-original-article-buffer)
1269 (let ((cur (current-buffer))
1270 (to (message-fetch-field "to")))
1271 ;; Get a normal message buffer.
1272 (message-pop-to-buffer (message-buffer-name "Resend" to))
1273 (insert-buffer-substring cur)
1274 (mime-to-mml)
1275 (message-narrow-to-head-1)
1276 ;; Gnus will generate a new one when sending.
1277 (message-remove-header "Message-ID")
1278 (message-remove-header message-ignored-resent-headers t)
1279 ;; Remove unwanted headers.
1280 (goto-char (point-max))
1281 (insert mail-header-separator)
1282 (goto-char (point-min))
1283 (when (re-search-forward "^To:\\|^Newsgroups:" nil 'move)
1284 (forward-char 1))
1285 (widen)))))
eec82323 1286
16409b0b 1287(defun gnus-summary-post-forward (&optional arg)
eec82323 1288 "Forward the current article to a newsgroup.
16409b0b 1289See `gnus-summary-mail-forward' for ARG."
eec82323 1290 (interactive "P")
16409b0b 1291 (gnus-summary-mail-forward arg t))
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1292
1293(defvar gnus-nastygram-message
1294 "The following article was inappropriately posted to %s.\n\n"
1295 "Format string to insert in nastygrams.
1296The current group name will be inserted at \"%s\".")
1297
1298(defun gnus-summary-mail-nastygram (n)
1299 "Send a nastygram to the author of the current article."
1300 (interactive "P")
1301 (when (or gnus-expert-user
1302 (gnus-y-or-n-p
1303 "Really send a nastygram to the author of the current article? "))
1304 (let ((group gnus-newsgroup-name))
1305 (gnus-summary-reply-with-original n)
1306 (set-buffer gnus-message-buffer)
1307 (message-goto-body)
1308 (insert (format gnus-nastygram-message group))
1309 (message-send-and-exit))))
1310
1311(defun gnus-summary-mail-crosspost-complaint (n)
1312 "Send a complaint about crossposting to the current article(s)."
1313 (interactive "P")
1314 (let ((articles (gnus-summary-work-articles n))
1315 article)
1316 (while (setq article (pop articles))
1317 (set-buffer gnus-summary-buffer)
1318 (gnus-summary-goto-subject article)
1319 (let ((group (gnus-group-real-name gnus-newsgroup-name))
1320 newsgroups followup-to)
1321 (gnus-summary-select-article)
1322 (set-buffer gnus-original-article-buffer)
1323 (if (and (<= (length (message-tokenize-header
16409b0b
GM
1324 (setq newsgroups
1325 (mail-fetch-field "newsgroups"))
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1326 ", "))
1327 1)
1328 (or (not (setq followup-to (mail-fetch-field "followup-to")))
1329 (not (member group (message-tokenize-header
1330 followup-to ", ")))))
1331 (if followup-to
1332 (gnus-message 1 "Followup-to restricted")
1333 (gnus-message 1 "Not a crossposted article"))
1334 (set-buffer gnus-summary-buffer)
1335 (gnus-summary-reply-with-original 1)
1336 (set-buffer gnus-message-buffer)
1337 (message-goto-body)
1338 (insert (format gnus-crosspost-complaint newsgroups group))
1339 (message-goto-subject)
1340 (re-search-forward " *$")
1341 (replace-match " (crosspost notification)" t t)
6748645f 1342 (gnus-deactivate-mark)
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1343 (when (gnus-y-or-n-p "Send this complaint? ")
1344 (message-send-and-exit)))))))
1345
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1346(defun gnus-mail-parse-comma-list ()
1347 (let (accumulated
1348 beg)
1349 (skip-chars-forward " ")
1350 (while (not (eobp))
1351 (setq beg (point))
1352 (skip-chars-forward "^,")
1353 (while (zerop
1354 (save-excursion
1355 (save-restriction
1356 (let ((i 0))
1357 (narrow-to-region beg (point))
1358 (goto-char beg)
1359 (logand (progn
1360 (while (search-forward "\"" nil t)
1361 (incf i))
1362 (if (zerop i) 2 i))
1363 2)))))
1364 (skip-chars-forward ",")
1365 (skip-chars-forward "^,"))
1366 (skip-chars-backward " ")
1367 (push (buffer-substring beg (point))
1368 accumulated)
1369 (skip-chars-forward "^,")
1370 (skip-chars-forward ", "))
1371 accumulated))
1372
1373(defun gnus-inews-add-to-address (group)
1374 (let ((to-address (mail-fetch-field "to")))
1375 (when (and to-address
1376 (gnus-alive-p))
1377 ;; This mail group doesn't have a `to-list', so we add one
1378 ;; here. Magic!
1379 (when (gnus-y-or-n-p
23f87bed 1380 (format "Do you want to add this as `to-list': %s? " to-address))
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1381 (gnus-group-add-parameter group (cons 'to-list to-address))))))
1382
1383(defun gnus-put-message ()
1384 "Put the current message in some group and return to Gnus."
1385 (interactive)
1386 (let ((reply gnus-article-reply)
1387 (winconf gnus-prev-winconf)
1388 (group gnus-newsgroup-name))
23f87bed
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1389 (unless (and group
1390 (not (gnus-group-read-only-p group)))
1391 (setq group (read-string "Put in group: " nil (gnus-writable-groups))))
eec82323 1392
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1393 (when (gnus-gethash group gnus-newsrc-hashtb)
1394 (error "No such group: %s" group))
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1395 (save-excursion
1396 (save-restriction
1397 (widen)
1398 (message-narrow-to-headers)
23f87bed
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1399 (let ((gnus-deletable-headers nil))
1400 (message-generate-headers
1401 (if (message-news-p)
1402 message-required-news-headers
1403 message-required-mail-headers)))
eec82323 1404 (goto-char (point-max))
23f87bed
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1405 (if (string-match " " group)
1406 (insert "Gcc: \"" group "\"\n")
1407 (insert "Gcc: " group "\n"))
eec82323 1408 (widen)))
eec82323 1409 (gnus-inews-do-gcc)
23f87bed
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1410 (when (and (get-buffer gnus-group-buffer)
1411 (gnus-buffer-exists-p (car-safe reply))
1412 (cdr reply))
1413 (set-buffer (car reply))
1414 (gnus-summary-mark-article-as-replied (cdr reply)))
1415 (when winconf
1416 (set-window-configuration winconf))))
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1417
1418(defun gnus-article-mail (yank)
1419 "Send a reply to the address near point.
1420If YANK is non-nil, include the original article."
1421 (interactive "P")
1422 (let ((address
1423 (buffer-substring
1424 (save-excursion (re-search-backward "[ \t\n]" nil t) (1+ (point)))
1425 (save-excursion (re-search-forward "[ \t\n]" nil t) (1- (point))))))
1426 (when address
23f87bed 1427 (gnus-msg-mail address)
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1428 (when yank
1429 (gnus-inews-yank-articles (list (cdr gnus-article-current)))))))
1430
1431(defvar nntp-server-type)
1432(defun gnus-bug ()
1433 "Send a bug report to the Gnus maintainers."
1434 (interactive)
1435 (unless (gnus-alive-p)
1436 (error "Gnus has been shut down"))
88818fbe
SZ
1437 (gnus-setup-message (if (message-mail-user-agent) 'message 'bug)
1438 (unless (message-mail-user-agent)
1439 (delete-other-windows)
1440 (when gnus-bug-create-help-buffer
1441 (switch-to-buffer "*Gnus Help Bug*")
1442 (erase-buffer)
1443 (insert gnus-bug-message)
1444 (goto-char (point-min)))
1445 (message-pop-to-buffer "*Gnus Bug*"))
1446 (let ((message-this-is-mail t))
1447 (message-setup `((To . ,gnus-maintainer) (Subject . ""))))
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1448 (when gnus-bug-create-help-buffer
1449 (push `(gnus-bug-kill-buffer) message-send-actions))
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1450 (goto-char (point-min))
1451 (re-search-forward (concat "^" (regexp-quote mail-header-separator) "$"))
1452 (forward-line 1)
6748645f
LMI
1453 (insert (gnus-version) "\n"
1454 (emacs-version) "\n")
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1455 (when (and (boundp 'nntp-server-type)
1456 (stringp nntp-server-type))
1457 (insert nntp-server-type))
1458 (insert "\n\n\n\n\n")
16409b0b
GM
1459 (let (text)
1460 (save-excursion
1461 (set-buffer (gnus-get-buffer-create " *gnus environment info*"))
23f87bed 1462 (erase-buffer)
16409b0b
GM
1463 (gnus-debug)
1464 (setq text (buffer-string)))
23f87bed 1465 (insert "<#part type=application/emacs-lisp disposition=inline description=\"User settings\">\n" text "\n<#/part>"))
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1466 (goto-char (point-min))
1467 (search-forward "Subject: " nil t)
1468 (message "")))
1469
1470(defun gnus-bug-kill-buffer ()
1471 (when (get-buffer "*Gnus Help Bug*")
1472 (kill-buffer "*Gnus Help Bug*")))
1473
16409b0b
GM
1474(defun gnus-summary-yank-message (buffer n)
1475 "Yank the current article into a composed message."
1476 (interactive
1477 (list (completing-read "Buffer: " (mapcar 'list (message-buffers)) nil t)
1478 current-prefix-arg))
1479 (gnus-summary-iterate n
23f87bed 1480 (let ((gnus-inhibit-treatment t))
16409b0b
GM
1481 (gnus-summary-select-article))
1482 (save-excursion
1483 (set-buffer buffer)
1484 (message-yank-buffer gnus-article-buffer))))
1485
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1486(defun gnus-debug ()
1487 "Attempts to go through the Gnus source file and report what variables have been changed.
1488The source file has to be in the Emacs load path."
1489 (interactive)
23f87bed 1490 (let ((files gnus-debug-files)
6748645f 1491 (point (point))
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1492 file expr olist sym)
1493 (gnus-message 4 "Please wait while we snoop your variables...")
1494 (sit-for 0)
1495 ;; Go through all the files looking for non-default values for variables.
1496 (save-excursion
6748645f 1497 (set-buffer (gnus-get-buffer-create " *gnus bug info*"))
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1498 (while files
1499 (erase-buffer)
1500 (when (and (setq file (locate-library (pop files)))
1501 (file-exists-p file))
1502 (insert-file-contents file)
1503 (goto-char (point-min))
1504 (if (not (re-search-forward "^;;* *Internal variables" nil t))
1505 (gnus-message 4 "Malformed sources in file %s" file)
1506 (narrow-to-region (point-min) (point))
1507 (goto-char (point-min))
1508 (while (setq expr (ignore-errors (read (current-buffer))))
1509 (ignore-errors
1510 (and (or (eq (car expr) 'defvar)
1511 (eq (car expr) 'defcustom))
1512 (stringp (nth 3 expr))
23f87bed 1513 (not (memq (nth 1 expr) gnus-debug-exclude-variables))
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LMI
1514 (or (not (boundp (nth 1 expr)))
1515 (not (equal (eval (nth 2 expr))
1516 (symbol-value (nth 1 expr)))))
1517 (push (nth 1 expr) olist)))))))
1518 (kill-buffer (current-buffer)))
1519 (when (setq olist (nreverse olist))
1520 (insert "------------------ Environment follows ------------------\n\n"))
1521 (while olist
1522 (if (boundp (car olist))
23f87bed
MB
1523 (ignore-errors
1524 (gnus-pp
1525 `(setq ,(car olist)
1526 ,(if (or (consp (setq sym (symbol-value (car olist))))
1527 (and (symbolp sym)
1528 (not (or (eq sym nil)
1529 (eq sym t)))))
1530 (list 'quote (symbol-value (car olist)))
1531 (symbol-value (car olist))))))
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1532 (insert ";; (makeunbound '" (symbol-name (car olist)) ")\n"))
1533 (setq olist (cdr olist)))
1534 (insert "\n\n")
6748645f 1535 ;; Remove any control chars - they seem to cause trouble for some
eec82323 1536 ;; mailers. (Byte-compiled output from the stuff above.)
6748645f 1537 (goto-char point)
eb6a2b61 1538 (while (re-search-forward (mm-string-as-multibyte
7c3bb5a5 1539 "[\000-\010\013-\037\200-\237]") nil t)
6748645f
LMI
1540 (replace-match (format "\\%03o" (string-to-char (match-string 0)))
1541 t t))))
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1542
1543;;; Treatment of rejected articles.
1544;;; Bounced mail.
1545
1546(defun gnus-summary-resend-bounced-mail (&optional fetch)
1547 "Re-mail the current message.
23f87bed 1548This only makes sense if the current message is a bounce message that
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LMI
1549contains some mail you have written which has been bounced back to
1550you.
1551If FETCH, try to fetch the article that this is a reply to, if indeed
1552this is a reply."
1553 (interactive "P")
1554 (gnus-summary-select-article t)
1555 (set-buffer gnus-original-article-buffer)
1556 (gnus-setup-message 'compose-bounce
1557 (let* ((references (mail-fetch-field "references"))
1558 (parent (and references (gnus-parent-id references))))
1559 (message-bounce)
1560 ;; If there are references, we fetch the article we answered to.
1561 (and fetch parent
1562 (gnus-summary-refer-article parent)
1563 (gnus-summary-show-all-headers)))))
1564
1565;;; Gcc handling.
1566
0342aa5b 1567(defun gnus-inews-group-method (group)
23f87bed
MB
1568 (cond
1569 ;; If the group doesn't exist, we assume
1570 ;; it's an archive group...
1571 ((and (null (gnus-get-info group))
1572 (eq (car (gnus-server-to-method gnus-message-archive-method))
1573 (car (gnus-server-to-method (gnus-group-method group)))))
1574 gnus-message-archive-method)
1575 ;; Use the method.
1576 ((gnus-info-method (gnus-get-info group))
1577 (gnus-info-method (gnus-get-info group)))
1578 ;; Find the method.
1579 (t (gnus-server-to-method (gnus-group-method group)))))
0342aa5b 1580
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1581;; Do Gcc handling, which copied the message over to some group.
1582(defun gnus-inews-do-gcc (&optional gcc)
1583 (interactive)
23f87bed
MB
1584 (save-excursion
1585 (save-restriction
1586 (message-narrow-to-headers)
1587 (let ((gcc (or gcc (mail-fetch-field "gcc" nil t)))
1588 (cur (current-buffer))
1589 groups group method group-art
1590 mml-externalize-attachments)
1591 (when gcc
1592 (message-remove-header "gcc")
1593 (widen)
1594 (setq groups (message-unquote-tokens
1595 (message-tokenize-header gcc " ,")))
1596 ;; Copy the article over to some group(s).
1597 (while (setq group (pop groups))
1598 (unless (gnus-check-server
1599 (setq method (gnus-inews-group-method group)))
1600 (error "Can't open server %s" (if (stringp method) method
1601 (car method))))
1602 (unless (gnus-request-group group nil method)
1603 (gnus-request-create-group group method))
1604 (setq mml-externalize-attachments
1605 (if (stringp gnus-gcc-externalize-attachments)
1606 (string-match gnus-gcc-externalize-attachments group)
1607 gnus-gcc-externalize-attachments))
1608 (save-excursion
1609 (nnheader-set-temp-buffer " *acc*")
1610 (insert-buffer-substring cur)
1611 (message-encode-message-body)
1612 (save-restriction
1613 (message-narrow-to-headers)
1614 (let* ((mail-parse-charset message-default-charset)
1615 (newsgroups-field (save-restriction
1616 (message-narrow-to-headers-or-head)
1617 (message-fetch-field "Newsgroups")))
1618 (followup-field (save-restriction
1619 (message-narrow-to-headers-or-head)
1620 (message-fetch-field "Followup-To")))
1621 ;; BUG: We really need to get the charset for
1622 ;; each name in the Newsgroups and Followup-To
1623 ;; lines to allow crossposting between group
1624 ;; namess with incompatible character sets.
1625 ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2001-10-08.
1626 (group-field-charset
1627 (gnus-group-name-charset
1628 method (or newsgroups-field "")))
1629 (followup-field-charset
1630 (gnus-group-name-charset
1631 method (or followup-field "")))
1632 (rfc2047-header-encoding-alist
1633 (append
1634 (when group-field-charset
1635 (list (cons "Newsgroups" group-field-charset)))
1636 (when followup-field-charset
1637 (list (cons "Followup-To" followup-field-charset)))
1638 rfc2047-header-encoding-alist)))
1639 (mail-encode-encoded-word-buffer)))
1640 (goto-char (point-min))
1641 (when (re-search-forward
1642 (concat "^" (regexp-quote mail-header-separator) "$")
1643 nil t)
1644 (replace-match "" t t ))
1645 (unless (setq group-art
1646 (gnus-request-accept-article group method t t))
1647 (gnus-message 1 "Couldn't store article in group %s: %s"
1648 group (gnus-status-message method))
1649 (sit-for 2))
1650 (when (and group-art
1651 ;; FIXME: Should gcc-mark-as-read work when
1652 ;; Gnus is not running?
1653 (gnus-alive-p)
1654 (or gnus-gcc-mark-as-read
1655 (and
1656 (boundp 'gnus-inews-mark-gcc-as-read)
1657 (symbol-value 'gnus-inews-mark-gcc-as-read))))
1658 (gnus-group-mark-article-read group (cdr group-art)))
1659 (kill-buffer (current-buffer)))))))))
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1660
1661(defun gnus-inews-insert-gcc ()
1662 "Insert Gcc headers based on `gnus-outgoing-message-group'."
1663 (save-excursion
1664 (save-restriction
1665 (message-narrow-to-headers)
1666 (let* ((group gnus-outgoing-message-group)
1667 (gcc (cond
23f87bed 1668 ((functionp group)
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1669 (funcall group))
1670 ((or (stringp group) (list group))
1671 group))))
1672 (when gcc
1673 (insert "Gcc: "
23f87bed
MB
1674 (if (stringp gcc)
1675 (if (string-match " " gcc)
1676 (concat "\"" gcc "\"")
1677 gcc)
1678 (mapconcat (lambda (group)
1679 (if (string-match " " group)
1680 (concat "\"" group "\"")
1681 group))
1682 gcc " "))
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1683 "\n"))))))
1684
1685(defun gnus-inews-insert-archive-gcc (&optional group)
1686 "Insert the Gcc to say where the article is to be archived."
1687 (let* ((var gnus-message-archive-group)
1688 (group (or group gnus-newsgroup-name ""))
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1689 (gcc-self-val
1690 (and gnus-newsgroup-name
16409b0b 1691 (not (equal gnus-newsgroup-name ""))
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1692 (gnus-group-find-parameter
1693 gnus-newsgroup-name 'gcc-self)))
16409b0b 1694 result
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1695 (groups
1696 (cond
1697 ((null gnus-message-archive-method)
1698 ;; Ignore.
1699 nil)
1700 ((stringp var)
1701 ;; Just a single group.
1702 (list var))
1703 ((null var)
1704 ;; We don't want this.
1705 nil)
1706 ((and (listp var) (stringp (car var)))
1707 ;; A list of groups.
1708 var)
23f87bed 1709 ((functionp var)
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1710 ;; A function.
1711 (funcall var group))
1712 (t
1713 ;; An alist of regexps/functions/forms.
1714 (while (and var
1715 (not
1716 (setq result
1717 (cond
1718 ((stringp (caar var))
1719 ;; Regexp.
1720 (when (string-match (caar var) group)
1721 (cdar var)))
23f87bed 1722 ((functionp (car var))
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1723 ;; Function.
1724 (funcall (car var) group))
1725 (t
1726 (eval (car var)))))))
1727 (setq var (cdr var)))
1728 result)))
1729 name)
6748645f 1730 (when (or groups gcc-self-val)
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1731 (when (stringp groups)
1732 (setq groups (list groups)))
1733 (save-excursion
1734 (save-restriction
1735 (message-narrow-to-headers)
1736 (goto-char (point-max))
1737 (insert "Gcc: ")
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1738 (if gcc-self-val
1739 ;; Use the `gcc-self' param value instead.
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1740 (progn
1741 (insert
1742 (if (stringp gcc-self-val)
23f87bed
MB
1743 (if (string-match " " gcc-self-val)
1744 (concat "\"" gcc-self-val "\"")
1745 gcc-self-val)
1746 ;; In nndoc groups, we use the parent group name
1747 ;; instead of the current group.
1748 (let ((group (or (gnus-group-find-parameter
1749 gnus-newsgroup-name 'parent-group)
1750 group)))
1751 (if (string-match " " group)
1752 (concat "\"" group "\"")
1753 group))))
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1754 (if (not (eq gcc-self-val 'none))
1755 (insert "\n")
23f87bed 1756 (gnus-delete-line)))
6748645f 1757 ;; Use the list of groups.
eec82323 1758 (while (setq name (pop groups))
23f87bed
MB
1759 (let ((str (if (string-match ":" name)
1760 name
1761 (gnus-group-prefixed-name
1762 name gnus-message-archive-method))))
1763 (insert (if (string-match " " str)
1764 (concat "\"" str "\"")
1765 str)))
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1766 (when groups
1767 (insert " ")))
1768 (insert "\n")))))))
1769
23f87bed
MB
1770(defun gnus-mailing-list-followup-to ()
1771 "Look at the headers in the current buffer and return a Mail-Followup-To address."
1772 (let ((x-been-there (gnus-fetch-original-field "x-beenthere"))
1773 (list-post (gnus-fetch-original-field "list-post")))
1774 (when (and list-post
1775 (string-match "mailto:\\([^>]+\\)" list-post))
1776 (setq list-post (match-string 1 list-post)))
1777 (or list-post
1778 x-been-there)))
1779
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1780;;; Posting styles.
1781
23f87bed 1782(defun gnus-configure-posting-styles (&optional group-name)
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1783 "Configure posting styles according to `gnus-posting-styles'."
1784 (unless gnus-inhibit-posting-styles
23f87bed 1785 (let ((group (or group-name gnus-newsgroup-name ""))
16409b0b 1786 (styles gnus-posting-styles)
23f87bed 1787 style match attribute value v results
16409b0b
GM
1788 filep name address element)
1789 ;; If the group has a posting-style parameter, add it at the end with a
1790 ;; regexp matching everything, to be sure it takes precedence over all
1791 ;; the others.
1792 (when gnus-newsgroup-name
1793 (let ((tmp-style (gnus-group-find-parameter group 'posting-style t)))
1794 (when tmp-style
1795 (setq styles (append styles (list (cons ".*" tmp-style)))))))
6748645f 1796 ;; Go through all styles and look for matches.
16409b0b
GM
1797 (dolist (style styles)
1798 (setq match (pop style))
1799 (goto-char (point-min))
1800 (when (cond
1801 ((stringp match)
1802 ;; Regexp string match on the group name.
1803 (string-match match group))
1804 ((eq match 'header)
23f87bed
MB
1805 ;; Obsolete format of header match.
1806 (and (gnus-buffer-live-p gnus-article-copy)
1807 (with-current-buffer gnus-article-copy
9b5773bc
MB
1808 (save-restriction
1809 (nnheader-narrow-to-headers)
1810 (let ((header (message-fetch-field (pop style))))
1811 (and header
1812 (string-match (pop style) header)))))))
16409b0b 1813 ((or (symbolp match)
23f87bed 1814 (functionp match))
16409b0b 1815 (cond
23f87bed 1816 ((functionp match)
16409b0b
GM
1817 ;; Function to be called.
1818 (funcall match))
1819 ((boundp match)
1820 ;; Variable to be checked.
1821 (symbol-value match))))
1822 ((listp match)
23f87bed
MB
1823 (cond
1824 ((eq (car match) 'header)
1825 ;; New format of header match.
1826 (and (gnus-buffer-live-p gnus-article-copy)
1827 (with-current-buffer gnus-article-copy
9b5773bc
MB
1828 (save-restriction
1829 (nnheader-narrow-to-headers)
1830 (let ((header (message-fetch-field (nth 1 match))))
1831 (and header
1832 (string-match (nth 2 match) header)))))))
23f87bed
MB
1833 (t
1834 ;; This is a form to be evaled.
1835 (eval match)))))
6748645f 1836 ;; We have a match, so we set the variables.
16409b0b
GM
1837 (dolist (attribute style)
1838 (setq element (pop attribute)
16409b0b
GM
1839 filep nil)
1840 (setq value
1841 (cond
1842 ((eq (car attribute) :file)
1843 (setq filep t)
1844 (cadr attribute))
1845 ((eq (car attribute) :value)
1846 (cadr attribute))
1847 (t
1848 (car attribute))))
1849 ;; We get the value.
1850 (setq v
1851 (cond
1852 ((stringp value)
1853 value)
1854 ((or (symbolp value)
23f87bed
MB
1855 (functionp value))
1856 (cond ((functionp value)
16409b0b
GM
1857 (funcall value))
1858 ((boundp value)
1859 (symbol-value value))))
1860 ((listp value)
1861 (eval value))))
1862 ;; Translate obsolescent value.
23f87bed
MB
1863 (cond
1864 ((eq element 'signature-file)
16409b0b
GM
1865 (setq element 'signature
1866 filep t))
23f87bed
MB
1867 ((eq element 'x-face-file)
1868 (setq element 'x-face
1869 filep t)))
16409b0b
GM
1870 ;; Get the contents of file elems.
1871 (when (and filep v)
1872 (setq v (with-temp-buffer
1873 (insert-file-contents v)
5f49be3f
MB
1874 (buffer-substring
1875 (point-min)
1876 (progn
1877 (goto-char (point-max))
1878 (if (zerop (skip-chars-backward "\n"))
1879 (point)
1880 (1+ (point))))))))
16409b0b
GM
1881 (setq results (delq (assoc element results) results))
1882 (push (cons element v) results))))
1883 ;; Now we have all the styles, so we insert them.
1884 (setq name (assq 'name results)
1885 address (assq 'address results))
1886 (setq results (delq name (delq address results)))
23f87bed
MB
1887 (gnus-make-local-hook 'message-setup-hook)
1888 (setq results (sort results (lambda (x y)
1889 (string-lessp (car x) (car y)))))
16409b0b
GM
1890 (dolist (result results)
1891 (add-hook 'message-setup-hook
1892 (cond
1893 ((eq 'eval (car result))
1894 'ignore)
1895 ((eq 'body (car result))
1896 `(lambda ()
1897 (save-excursion
1898 (message-goto-body)
1899 (insert ,(cdr result)))))
1900 ((eq 'signature (car result))
1901 (set (make-local-variable 'message-signature) nil)
1902 (set (make-local-variable 'message-signature-file) nil)
1903 (if (not (cdr result))
1904 'ignore
1905 `(lambda ()
1906 (save-excursion
1907 (let ((message-signature ,(cdr result)))
1908 (when message-signature
1909 (message-insert-signature)))))))
1910 (t
1911 (let ((header
1912 (if (symbolp (car result))
1913 (capitalize (symbol-name (car result)))
1914 (car result))))
1915 `(lambda ()
1916 (save-excursion
1917 (message-remove-header ,header)
1918 (let ((value ,(cdr result)))
1919 (when value
1920 (message-goto-eoh)
23f87bed
MB
1921 (insert ,header ": " value)
1922 (unless (bolp)
1923 (insert "\n")))))))))
1924 nil 'local))
16409b0b
GM
1925 (when (or name address)
1926 (add-hook 'message-setup-hook
1927 `(lambda ()
23f87bed
MB
1928 (set (make-local-variable 'user-mail-address)
1929 ,(or (cdr address) user-mail-address))
16409b0b
GM
1930 (let ((user-full-name ,(or (cdr name) (user-full-name)))
1931 (user-mail-address
1932 ,(or (cdr address) user-mail-address)))
1933 (save-excursion
1934 (message-remove-header "From")
1935 (message-goto-eoh)
23f87bed
MB
1936 (insert "From: " (message-make-from) "\n"))))
1937 nil 'local)))))
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1938
1939;;; Allow redefinition of functions.
1940
1941(gnus-ems-redefine)
1942
1943(provide 'gnus-msg)
1944
ab5796a9 1945;;; arch-tag: 9f22b2f5-1c0a-49de-916e-4c88e984852b
eec82323 1946;;; gnus-msg.el ends here