Commit | Line | Data |
---|---|---|
526baa41 LMI |
1 | ;;; message.el --- composing mail and news messages |
2 | ;; Copyright (C) 1996 Free Software Foundation, Inc. | |
3 | ||
4 | ;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no> | |
5 | ;; Keywords: mail, news | |
6 | ||
7 | ;; This file is part of GNU Emacs. | |
8 | ||
9 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
10 | ;; it under the terms of the GNU General Public License as published by | |
11 | ;; the Free Software Foundation; either version 2, or (at your option) | |
12 | ;; any later version. | |
13 | ||
14 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
15 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | ;; GNU General Public License for more details. | |
18 | ||
19 | ;; You should have received a copy of the GNU General Public License | |
20 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
21 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
22 | ;; Boston, MA 02111-1307, USA. | |
23 | ||
24 | ;;; Commentary: | |
25 | ||
26 | ;; This mode provides mail-sending facilities from within Emacs. It | |
27 | ;; consists mainly of large chunks of code from the sendmail.el, | |
28 | ;; gnus-msg.el and rnewspost.el files. | |
29 | ||
30 | ;;; Code: | |
31 | ||
32 | (eval-when-compile | |
33 | (require 'cl)) | |
34 | (require 'mailheader) | |
35 | (require 'rmail) | |
36 | (require 'nnheader) | |
37 | (require 'timezone) | |
38 | (require 'easymenu) | |
39 | (if (string-match "XEmacs\\|Lucid" emacs-version) | |
40 | (require 'mail-abbrevs) | |
41 | (require 'mailabbrev)) | |
42 | ||
43 | ;;;###autoload | |
44 | (defvar message-directory "~/Mail/" | |
45 | "*Directory from which all other mail file variables are derived.") | |
46 | ||
47 | (defvar message-max-buffers 10 | |
48 | "*How many buffers to keep before starting to kill them off.") | |
49 | ||
50 | (defvar message-send-rename-function nil | |
51 | "Function called to rename the buffer after sending it.") | |
52 | ||
53 | ;;;###autoload | |
54 | (defvar message-fcc-handler-function 'rmail-output | |
55 | "*A function called to save outgoing articles. | |
56 | This function will be called with the name of the file to store the | |
57 | article in. The default function is `rmail-output' which saves in Unix | |
58 | mailbox format.") | |
59 | ||
60 | ;;;###autoload | |
61 | (defvar message-courtesy-message | |
62 | "The following message is a courtesy copy of an article\nthat has been posted as well.\n\n" | |
63 | "*This is inserted at the start of a mailed copy of a posted message. | |
64 | If this variable is nil, no such courtesy message will be added.") | |
65 | ||
66 | ;;;###autoload | |
67 | (defvar message-ignored-bounced-headers "^\\(Received\\|Return-Path\\):" | |
68 | "*Regexp that matches headers to be removed in resent bounced mail.") | |
69 | ||
70 | ;;;###autoload | |
71 | (defvar message-from-style 'default | |
72 | "*Specifies how \"From\" headers look. | |
73 | ||
74 | If `nil', they contain just the return address like: | |
75 | king@grassland.com | |
76 | If `parens', they look like: | |
77 | king@grassland.com (Elvis Parsley) | |
78 | If `angles', they look like: | |
79 | Elvis Parsley <king@grassland.com> | |
80 | ||
81 | Otherwise, most addresses look like `angles', but they look like | |
82 | `parens' if `angles' would need quoting and `parens' would not.") | |
83 | ||
84 | ;;;###autoload | |
85 | (defvar message-syntax-checks nil | |
86 | "Controls what syntax checks should not be performed on outgoing posts. | |
87 | To disable checking of long signatures, for instance, add | |
88 | `(signature . disabled)' to this list. | |
89 | ||
90 | Don't touch this variable unless you really know what you're doing. | |
91 | ||
92 | Checks include subject-cmsg multiple-headers sendsys message-id from | |
93 | long-lines control-chars size new-text redirected-followup signature | |
94 | approved sender empty empty-headers message-id from subject.") | |
95 | ||
96 | ;;;###autoload | |
97 | (defvar message-required-news-headers | |
98 | '(From Newsgroups Subject Date Message-ID | |
99 | (optional . Organization) Lines | |
100 | (optional . X-Newsreader)) | |
101 | "*Headers to be generated or prompted for when posting an article. | |
102 | RFC977 and RFC1036 require From, Date, Newsgroups, Subject, | |
103 | Message-ID. Organization, Lines, In-Reply-To, Expires, and | |
104 | X-Newsreader are optional. If don't you want message to insert some | |
105 | header, remove it from this list.") | |
106 | ||
107 | ;;;###autoload | |
108 | (defvar message-required-mail-headers | |
109 | '(From Subject Date (optional . In-Reply-To) Message-ID Lines | |
110 | (optional . X-Mailer)) | |
111 | "*Headers to be generated or prompted for when mailing a message. | |
112 | RFC822 required that From, Date, To, Subject and Message-ID be | |
113 | included. Organization, Lines and X-Mailer are optional.") | |
114 | ||
115 | ;;;###autoload | |
116 | (defvar message-deletable-headers '(Message-ID Date) | |
117 | "*Headers to be deleted if they already exist and were generated by message previously.") | |
118 | ||
119 | ;;;###autoload | |
120 | (defvar message-ignored-news-headers | |
121 | "^NNTP-Posting-Host:\\|^Xref:\\|^Bcc:\\|^Gcc:\\|^Fcc:" | |
122 | "*Regexp of headers to be removed unconditionally before posting.") | |
123 | ||
124 | ;;;###autoload | |
125 | (defvar message-ignored-mail-headers "^Gcc:\\|^Fcc:" | |
126 | "*Regexp of headers to be removed unconditionally before mailing.") | |
127 | ||
128 | ;;;###autoload | |
129 | (defvar message-ignored-supersedes-headers "^Path:\\|^Date\\|^NNTP-Posting-Host:\\|^Xref:\\|^Lines:\\|^Received:\\|^X-From-Line:\\|Return-Path:\\|^Supersedes:" | |
130 | "*Header lines matching this regexp will be deleted before posting. | |
131 | It's best to delete old Path and Date headers before posting to avoid | |
132 | any confusion.") | |
133 | ||
134 | ;;;###autoload | |
135 | (defvar message-signature-separator "^-- *$" | |
136 | "Regexp matching the signature separator.") | |
137 | ||
138 | ;;;###autoload | |
139 | (defvar message-interactive nil | |
140 | "Non-nil means when sending a message wait for and display errors. | |
141 | nil means let mailer mail back a message to report errors.") | |
142 | ||
143 | ;;;###autoload | |
144 | (defvar message-generate-new-buffers t | |
145 | "*Non-nil means that a new message buffer will be created whenever `mail-setup' is called. | |
146 | If this is a function, call that function with three parameters: The type, | |
147 | the to address and the group name. (Any of these may be nil.) The function | |
148 | should return the new buffer name.") | |
149 | ||
150 | ;;;###autoload | |
151 | (defvar message-kill-buffer-on-exit nil | |
152 | "*Non-nil means that the message buffer will be killed after sending a message.") | |
153 | ||
154 | (defvar gnus-local-organization) | |
155 | (defvar message-user-organization | |
156 | (or (and (boundp 'gnus-local-organization) | |
157 | gnus-local-organization) | |
158 | (getenv "ORGANIZATION") | |
159 | t) | |
160 | "*String to be used as an Organization header. | |
161 | If t, use `message-user-organization-file'.") | |
162 | ||
163 | ;;;###autoload | |
164 | (defvar message-user-organization-file "/usr/lib/news/organization" | |
165 | "*Local news organization file.") | |
166 | ||
167 | ;;;###autoload | |
168 | (defvar message-autosave-directory | |
169 | (concat (file-name-as-directory message-directory) "drafts/") | |
170 | "*Directory where message autosaves buffers. | |
171 | If nil, message won't autosave.") | |
172 | ||
173 | (defvar message-forward-start-separator | |
174 | "------- Start of forwarded message -------\n" | |
175 | "*Delimiter inserted before forwarded messages.") | |
176 | ||
177 | (defvar message-forward-end-separator | |
178 | "------- End of forwarded message -------\n" | |
179 | "*Delimiter inserted after forwarded messages.") | |
180 | ||
181 | ;;;###autoload | |
182 | (defvar message-signature-before-forwarded-message t | |
183 | "*If non-nil, put the signature before any included forwarded message.") | |
184 | ||
185 | ;;;###autoload | |
186 | (defvar message-included-forward-headers | |
187 | "^From:\\|^Newsgroups:\\|^Subject:\\|^Date:\\|^Followup-To:\\|^Reply-To:\\|^Organization:\\|^Summary:\\|^Keywords:\\|^To:\\|^Cc:\\|^Posted-To:\\|^Mail-Copies-To:\\|^Apparently-To:\\|^Gnus-Warning:\\|^Resent-\\|^Message-ID:\\|^References:" | |
188 | "*Regexp matching headers to be included in forwarded messages.") | |
189 | ||
190 | ;;;###autoload | |
191 | (defvar message-ignored-resent-headers "^Return-receipt" | |
192 | "*All headers that match this regexp will be deleted when resending a message.") | |
193 | ||
194 | ;;;###autoload | |
195 | (defvar message-ignored-cited-headers "." | |
196 | "Delete these headers from the messages you yank.") | |
197 | ||
198 | ;; Useful to set in site-init.el | |
199 | ;;;###autoload | |
200 | (defvar message-send-mail-function 'message-send-mail-with-sendmail | |
201 | "Function to call to send the current buffer as mail. | |
202 | The headers should be delimited by a line whose contents match the | |
203 | variable `mail-header-separator'. | |
204 | ||
205 | Legal values include `message-send-mail-with-mh' and | |
206 | `message-send-mail-with-sendmail', which is the default.") | |
207 | ||
208 | ;;;###autoload | |
209 | (defvar message-send-news-function 'message-send-news | |
210 | "Function to call to send the current buffer as news. | |
211 | The headers should be delimited by a line whose contents match the | |
212 | variable `mail-header-separator'.") | |
213 | ||
214 | ;;;###autoload | |
215 | (defvar message-reply-to-function nil | |
216 | "Function that should return a list of headers. | |
217 | This function should pick out addresses from the To, Cc, and From headers | |
218 | and respond with new To and Cc headers.") | |
219 | ||
220 | ;;;###autoload | |
221 | (defvar message-wide-reply-to-function nil | |
222 | "Function that should return a list of headers. | |
223 | This function should pick out addresses from the To, Cc, and From headers | |
224 | and respond with new To and Cc headers.") | |
225 | ||
226 | ;;;###autoload | |
227 | (defvar message-followup-to-function nil | |
228 | "Function that should return a list of headers. | |
229 | This function should pick out addresses from the To, Cc, and From headers | |
230 | and respond with new To and Cc headers.") | |
231 | ||
232 | ;;;###autoload | |
233 | (defvar message-use-followup-to 'ask | |
234 | "*Specifies what to do with Followup-To header. | |
235 | If nil, ignore the header. If it is t, use its value, but query before | |
236 | using the \"poster\" value. If it is the symbol `ask', query the user | |
237 | whether to ignore the \"poster\" value. If it is the symbol `use', | |
238 | always use the value.") | |
239 | ||
240 | (defvar gnus-post-method) | |
241 | (defvar gnus-select-method) | |
242 | ;;;###autoload | |
243 | (defvar message-post-method | |
244 | (cond ((and (boundp 'gnus-post-method) | |
245 | gnus-post-method) | |
246 | gnus-post-method) | |
247 | ((boundp 'gnus-select-method) | |
248 | gnus-select-method) | |
249 | (t '(nnspool ""))) | |
250 | "Method used to post news.") | |
251 | ||
252 | ;;;###autoload | |
253 | (defvar message-generate-headers-first nil | |
254 | "*If non-nil, generate all possible headers before composing.") | |
255 | ||
256 | (defvar message-setup-hook nil | |
257 | "Normal hook, run each time a new outgoing message is initialized. | |
258 | The function `message-setup' runs this hook.") | |
259 | ||
260 | (defvar message-signature-setup-hook nil | |
261 | "Normal hook, run each time a new outgoing message is initialized. | |
262 | It is run after the headers have been inserted and before | |
263 | the signature is inserted.") | |
264 | ||
265 | (defvar message-mode-hook nil | |
266 | "Hook run in message mode buffers.") | |
267 | ||
268 | (defvar message-header-hook nil | |
269 | "Hook run in a message mode buffer narrowed to the headers.") | |
270 | ||
271 | (defvar message-header-setup-hook nil | |
272 | "Hook called narrowed to the headers when setting up a message buffer.") | |
273 | ||
274 | ;;;###autoload | |
275 | (defvar message-citation-line-function 'message-insert-citation-line | |
276 | "*Function called to insert the \"Whomever writes:\" line.") | |
277 | ||
278 | ;;;###autoload | |
279 | (defvar message-yank-prefix "> " | |
280 | "*Prefix inserted on the lines of yanked messages. | |
281 | nil means use indentation.") | |
282 | ||
283 | (defvar message-indentation-spaces 3 | |
284 | "*Number of spaces to insert at the beginning of each cited line. | |
285 | Used by `message-yank-original' via `message-yank-cite'.") | |
286 | ||
287 | ;;;###autoload | |
288 | (defvar message-cite-function 'message-cite-original | |
289 | "*Function for citing an original message.") | |
290 | ||
291 | ;;;###autoload | |
292 | (defvar message-indent-citation-function 'message-indent-citation | |
293 | "*Function for modifying a citation just inserted in the mail buffer. | |
294 | This can also be a list of functions. Each function can find the | |
295 | citation between (point) and (mark t). And each function should leave | |
296 | point and mark around the citation text as modified.") | |
297 | ||
298 | (defvar message-abbrevs-loaded nil) | |
299 | ||
300 | ;;;###autoload | |
301 | (defvar message-signature t | |
302 | "*String to be inserted at the end of the message buffer. | |
303 | If t, the `message-signature-file' file will be inserted instead. | |
304 | If a function, the result from the function will be used instead. | |
305 | If a form, the result from the form will be used instead.") | |
306 | ||
307 | ;;;###autoload | |
308 | (defvar message-signature-file "~/.signature" | |
309 | "*File containing the text inserted at end of message. buffer.") | |
310 | ||
311 | (defvar message-distribution-function nil | |
312 | "*Function called to return a Distribution header.") | |
313 | ||
314 | (defvar message-expires 14 | |
315 | "*Number of days before your article expires.") | |
316 | ||
317 | (defvar message-user-path nil | |
318 | "If nil, use the NNTP server name in the Path header. | |
319 | If stringp, use this; if non-nil, use no host name (user name only).") | |
320 | ||
321 | (defvar message-reply-buffer nil) | |
322 | (defvar message-reply-headers nil) | |
323 | (defvar message-newsreader nil) | |
324 | (defvar message-mailer nil) | |
325 | (defvar message-sent-message-via nil) | |
326 | (defvar message-checksum nil) | |
327 | (defvar message-send-actions nil | |
328 | "A list of actions to be performed upon successful sending of a message.") | |
329 | (defvar message-exit-actions nil | |
330 | "A list of actions to be performed upon exiting after sending a message.") | |
331 | (defvar message-kill-actions nil | |
332 | "A list of actions to be performed before killing a message buffer.") | |
333 | (defvar message-postpone-actions nil | |
334 | "A list of actions to be performed after postponing a message.") | |
335 | ||
336 | ;;;###autoload | |
337 | (defvar message-default-headers nil | |
338 | "*A string containing header lines to be inserted in outgoing messages. | |
339 | It is inserted before you edit the message, so you can edit or delete | |
340 | these lines.") | |
341 | ||
342 | ;;;###autoload | |
343 | (defvar message-default-mail-headers nil | |
344 | "*A string of header lines to be inserted in outgoing mails.") | |
345 | ||
346 | ;;;###autoload | |
347 | (defvar message-default-news-headers nil | |
348 | "*A string of header lines to be inserted in outgoing news articles.") | |
349 | ||
350 | ;; Note: could use /usr/ucb/mail instead of sendmail; | |
351 | ;; options -t, and -v if not interactive. | |
352 | (defvar message-mailer-swallows-blank-line | |
353 | (if (and (string-match "sparc-sun-sunos\\(\\'\\|[^5]\\)" | |
354 | system-configuration) | |
355 | (file-readable-p "/etc/sendmail.cf") | |
356 | (let ((buffer (get-buffer-create " *temp*"))) | |
357 | (unwind-protect | |
358 | (save-excursion | |
359 | (set-buffer buffer) | |
360 | (insert-file-contents "/etc/sendmail.cf") | |
361 | (goto-char (point-min)) | |
362 | (let ((case-fold-search nil)) | |
363 | (re-search-forward "^OR\\>" nil t))) | |
364 | (kill-buffer buffer)))) | |
365 | ;; According to RFC822, "The field-name must be composed of printable | |
366 | ;; ASCII characters (i.e. characters that have decimal values between | |
367 | ;; 33 and 126, except colon)", i.e. any chars except ctl chars, | |
368 | ;; space, or colon. | |
369 | '(looking-at "[ \t]\\|[][!\"#$%&'()*+,-./0-9;<=>?@A-Z\\\\^_`a-z{|}~]+:")) | |
370 | "Set this non-nil if the system's mailer runs the header and body together. | |
371 | \(This problem exists on Sunos 4 when sendmail is run in remote mode.) | |
372 | The value should be an expression to test whether the problem will | |
373 | actually occur.") | |
374 | ||
375 | (defvar message-mode-syntax-table | |
376 | (let ((table (copy-syntax-table text-mode-syntax-table))) | |
377 | (modify-syntax-entry ?% ". " table) | |
378 | table) | |
379 | "Syntax table used while in Message mode.") | |
380 | ||
381 | (defvar message-font-lock-keywords | |
382 | (let* ((cite-prefix "A-Za-z") (cite-suffix (concat cite-prefix "0-9_.@-"))) | |
383 | (list '("^To:" . font-lock-function-name-face) | |
384 | '("^[GBF]?[Cc][Cc]:\\|^Reply-To:" . font-lock-keyword-face) | |
385 | '("^\\(Subject:\\)[ \t]*\\(.+\\)?" | |
386 | (1 font-lock-comment-face) (2 font-lock-type-face nil t)) | |
387 | (list (concat "^\\(" (regexp-quote mail-header-separator) "\\)$") | |
388 | 1 'font-lock-comment-face) | |
389 | (cons (concat "^[ \t]*" | |
390 | "\\([" cite-prefix "]+[" cite-suffix "]*\\)?" | |
391 | "[>|}].*") | |
392 | 'font-lock-reference-face) | |
393 | '("^\\(X-[A-Za-z0-9-]+\\|In-reply-to\\):.*" | |
394 | . font-lock-string-face))) | |
395 | "Additional expressions to highlight in Message mode.") | |
396 | ||
397 | (defvar message-face-alist | |
398 | '((bold . bold-region) | |
399 | (underline . underline-region) | |
400 | (default . (lambda (b e) | |
401 | (unbold-region b e) | |
402 | (ununderline-region b e)))) | |
403 | "Alist of mail and news faces for facemenu. | |
404 | The cdr of ech entry is a function for applying the face to a region.") | |
405 | ||
406 | (defvar message-send-hook nil | |
407 | "Hook run before sending messages.") | |
408 | ||
409 | (defvar message-sent-hook nil | |
410 | "Hook run after sending messages.") | |
411 | ||
412 | ;;; Internal variables. | |
413 | ||
414 | (defvar message-buffer-list nil) | |
415 | ||
416 | ;;; Regexp matching the delimiter of messages in UNIX mail format | |
417 | ;;; (UNIX From lines), minus the initial ^. | |
418 | (defvar message-unix-mail-delimiter | |
419 | (let ((time-zone-regexp | |
420 | (concat "\\([A-Z]?[A-Z]?[A-Z][A-Z]\\( DST\\)?" | |
421 | "\\|[-+]?[0-9][0-9][0-9][0-9]" | |
422 | "\\|" | |
423 | "\\) *"))) | |
424 | (concat | |
425 | "From " | |
426 | ||
427 | ;; Username, perhaps with a quoted section that can contain spaces. | |
428 | "\\(" | |
429 | "[^ \n]*" | |
430 | "\\(\\|\".*\"[^ \n]*\\)" | |
431 | "\\|<[^<>\n]+>" | |
432 | "\\) ?" | |
433 | ||
434 | ;; The time the message was sent. | |
435 | "\\([^ \n]*\\) *" ; day of the week | |
436 | "\\([^ ]*\\) *" ; month | |
437 | "\\([0-9]*\\) *" ; day of month | |
438 | "\\([0-9:]*\\) *" ; time of day | |
439 | ||
440 | ;; Perhaps a time zone, specified by an abbreviation, or by a | |
441 | ;; numeric offset. | |
442 | time-zone-regexp | |
443 | ||
444 | ;; The year. | |
445 | " [0-9][0-9]\\([0-9]*\\) *" | |
446 | ||
447 | ;; On some systems the time zone can appear after the year, too. | |
448 | time-zone-regexp | |
449 | ||
450 | ;; Old uucp cruft. | |
451 | "\\(remote from .*\\)?" | |
452 | ||
453 | "\n"))) | |
454 | ||
455 | (defvar message-unsent-separator | |
456 | (concat "^ *---+ +Unsent message follows +---+ *$\\|" | |
457 | "^ *---+ +Returned message +---+ *$\\|" | |
458 | "^Start of returned message$\\|" | |
459 | "^ *---+ +Original message +---+ *$\\|" | |
460 | "^ *--+ +begin message +--+ *$\\|" | |
461 | "^ *---+ +Original message follows +---+ *$\\|" | |
462 | "^|? *---+ +Message text follows: +---+ *|?$") | |
463 | "A regexp that matches the separator before the text of a failed message.") | |
464 | ||
465 | (defvar message-header-format-alist | |
466 | `((Newsgroups) | |
467 | (To . message-fill-address) | |
468 | (Cc . message-fill-address) | |
469 | (Subject) | |
470 | (In-Reply-To) | |
471 | (Fcc) | |
472 | (Bcc) | |
473 | (Date) | |
474 | (Organization) | |
475 | (Distribution) | |
476 | (Lines) | |
477 | (Expires) | |
478 | (Message-ID) | |
479 | (References . message-fill-header) | |
480 | (X-Mailer) | |
481 | (X-Newsreader)) | |
482 | "Alist used for formatting headers.") | |
483 | ||
484 | (eval-and-compile | |
485 | (autoload 'message-setup-toolbar "messagexmas") | |
486 | (autoload 'mh-send-letter "mh-comp")) | |
487 | ||
488 | \f | |
489 | ||
490 | ;;; | |
491 | ;;; Utility functions. | |
492 | ;;; | |
493 | ||
494 | (defun message-point-at-bol () | |
495 | "Return point at the beginning of the line." | |
496 | (let ((p (point))) | |
497 | (beginning-of-line) | |
498 | (prog1 | |
499 | (point) | |
500 | (goto-char p)))) | |
501 | ||
502 | (defun message-point-at-eol () | |
503 | "Return point at the end of the line." | |
504 | (let ((p (point))) | |
505 | (end-of-line) | |
506 | (prog1 | |
507 | (point) | |
508 | (goto-char p)))) | |
509 | ||
510 | ;; Delete the current line (and the next N lines.); | |
511 | (defmacro message-delete-line (&optional n) | |
512 | `(delete-region (progn (beginning-of-line) (point)) | |
513 | (progn (forward-line ,(or n 1)) (point)))) | |
514 | ||
515 | (defun message-tokenize-header (header &optional separator) | |
516 | "Split HEADER into a list of header elements. | |
517 | \",\" is used as the separator." | |
518 | (let ((regexp (format "[%s]+" (or separator ","))) | |
519 | (beg 1) | |
520 | quoted elems) | |
521 | (save-excursion | |
522 | (message-set-work-buffer) | |
523 | (insert header) | |
524 | (goto-char (point-min)) | |
525 | (while (not (eobp)) | |
526 | (forward-char 1) | |
527 | (cond ((and (> (point) beg) | |
528 | (or (eobp) | |
529 | (and (looking-at regexp) | |
530 | (not quoted)))) | |
531 | (push (buffer-substring beg (point)) elems) | |
532 | (setq beg (match-end 0))) | |
533 | ((= (following-char) ?\") | |
534 | (setq quoted (not quoted))))) | |
535 | (nreverse elems)))) | |
536 | ||
537 | (defun message-fetch-field (header) | |
538 | "The same as `mail-fetch-field', only remove all newlines." | |
539 | (let ((value (mail-fetch-field header))) | |
540 | (when value | |
541 | (nnheader-replace-chars-in-string value ?\n ? )))) | |
542 | ||
543 | (defun message-fetch-reply-field (header) | |
544 | "Fetch FIELD from the message we're replying to." | |
545 | (when (and message-reply-buffer | |
546 | (buffer-name message-reply-buffer)) | |
547 | (save-excursion | |
548 | (set-buffer message-reply-buffer) | |
549 | (message-fetch-field header)))) | |
550 | ||
551 | (defun message-set-work-buffer () | |
552 | (if (get-buffer " *message work*") | |
553 | (progn | |
554 | (set-buffer " *message work*") | |
555 | (erase-buffer)) | |
556 | (set-buffer (get-buffer-create " *message work*")) | |
557 | (kill-all-local-variables) | |
558 | (buffer-disable-undo (current-buffer)))) | |
559 | ||
560 | (defun message-functionp (form) | |
561 | "Return non-nil if FORM is funcallable." | |
562 | (or (and (symbolp form) (fboundp form)) | |
563 | (and (listp form) (eq (car form) 'lambda)))) | |
564 | ||
565 | (defun message-strip-subject-re (subject) | |
566 | "Remove \"Re:\" from subject lines." | |
567 | (if (string-match "^[Rr][Ee]: *" subject) | |
568 | (substring subject (match-end 0)) | |
569 | subject)) | |
570 | ||
571 | (defun message-remove-header (header &optional is-regexp first reverse) | |
572 | "Remove HEADER in the narrowed buffer. | |
573 | If REGEXP, HEADER is a regular expression. | |
574 | If FIRST, only remove the first instance of the header. | |
575 | Return the number of headers removed." | |
576 | (goto-char (point-min)) | |
577 | (let ((regexp (if is-regexp header (concat "^" header ":"))) | |
578 | (number 0) | |
579 | (case-fold-search t) | |
580 | last) | |
581 | (while (and (not (eobp)) | |
582 | (not last)) | |
583 | (if (if reverse | |
584 | (not (looking-at regexp)) | |
585 | (looking-at regexp)) | |
586 | (progn | |
587 | (incf number) | |
588 | (when first | |
589 | (setq last t)) | |
590 | (delete-region | |
591 | (point) | |
592 | ;; There might be a continuation header, so we have to search | |
593 | ;; until we find a new non-continuation line. | |
594 | (progn | |
595 | (forward-line 1) | |
596 | (if (re-search-forward "^[^ \t]" nil t) | |
597 | (goto-char (match-beginning 0)) | |
598 | (point-max))))) | |
599 | (forward-line 1) | |
600 | (if (re-search-forward "^[^ \t]" nil t) | |
601 | (goto-char (match-beginning 0)) | |
602 | (point-max)))) | |
603 | number)) | |
604 | ||
605 | (defun message-narrow-to-headers () | |
606 | "Narrow the buffer to the head of the message." | |
607 | (widen) | |
608 | (narrow-to-region | |
609 | (goto-char (point-min)) | |
610 | (if (re-search-forward | |
611 | (concat "^" (regexp-quote mail-header-separator) "\n") nil t) | |
612 | (match-beginning 0) | |
613 | (point-max))) | |
614 | (goto-char (point-min))) | |
615 | ||
616 | (defun message-narrow-to-head () | |
617 | "Narrow the buffer to the head of the message." | |
618 | (widen) | |
619 | (narrow-to-region | |
620 | (goto-char (point-min)) | |
621 | (if (search-forward "\n\n" nil 1) | |
622 | (1- (point)) | |
623 | (point-max))) | |
624 | (goto-char (point-min))) | |
625 | ||
626 | (defun message-news-p () | |
627 | "Say whether the current buffer contains a news message." | |
628 | (save-excursion | |
629 | (save-restriction | |
630 | (message-narrow-to-headers) | |
631 | (message-fetch-field "newsgroups")))) | |
632 | ||
633 | (defun message-mail-p () | |
634 | "Say whether the current buffer contains a mail message." | |
635 | (save-excursion | |
636 | (save-restriction | |
637 | (message-narrow-to-headers) | |
638 | (or (message-fetch-field "to") | |
639 | (message-fetch-field "cc") | |
640 | (message-fetch-field "bcc"))))) | |
641 | ||
642 | (defun message-next-header () | |
643 | "Go to the beginning of the next header." | |
644 | (beginning-of-line) | |
645 | (or (eobp) (forward-char 1)) | |
646 | (not (if (re-search-forward "^[^ \t]" nil t) | |
647 | (beginning-of-line) | |
648 | (goto-char (point-max))))) | |
649 | ||
650 | (defun message-sort-headers-1 () | |
651 | "Sort the buffer as headers using `message-rank' text props." | |
652 | (goto-char (point-min)) | |
653 | (sort-subr | |
654 | nil 'message-next-header | |
655 | (lambda () | |
656 | (message-next-header) | |
657 | (unless (bobp) | |
658 | (forward-char -1))) | |
659 | (lambda () | |
660 | (or (get-text-property (point) 'message-rank) | |
661 | 0)))) | |
662 | ||
663 | (defun message-sort-headers () | |
664 | "Sort the headers of the current message according to `message-header-format-alist'." | |
665 | (interactive) | |
666 | (save-excursion | |
667 | (save-restriction | |
668 | (let ((max (1+ (length message-header-format-alist))) | |
669 | rank) | |
670 | (message-narrow-to-headers) | |
671 | (while (re-search-forward "^[^ \n]+:" nil t) | |
672 | (put-text-property | |
673 | (match-beginning 0) (1+ (match-beginning 0)) | |
674 | 'message-rank | |
675 | (if (setq rank (length (memq (assq (intern (buffer-substring | |
676 | (match-beginning 0) | |
677 | (1- (match-end 0)))) | |
678 | message-header-format-alist) | |
679 | message-header-format-alist))) | |
680 | (- max rank) | |
681 | (1+ max))))) | |
682 | (message-sort-headers-1)))) | |
683 | ||
684 | \f | |
685 | ||
686 | ;;; | |
687 | ;;; Message mode | |
688 | ;;; | |
689 | ||
690 | ;;; Set up keymap. | |
691 | ||
692 | (defvar message-mode-map nil) | |
693 | ||
694 | (unless message-mode-map | |
695 | (setq message-mode-map (copy-keymap text-mode-map)) | |
696 | (define-key message-mode-map "\C-c?" 'describe-mode) | |
697 | ||
698 | (define-key message-mode-map "\C-c\C-f\C-t" 'message-goto-to) | |
699 | (define-key message-mode-map "\C-c\C-f\C-b" 'message-goto-bcc) | |
700 | (define-key message-mode-map "\C-c\C-f\C-w" 'message-goto-fcc) | |
701 | (define-key message-mode-map "\C-c\C-f\C-c" 'message-goto-cc) | |
702 | (define-key message-mode-map "\C-c\C-f\C-s" 'message-goto-subject) | |
703 | (define-key message-mode-map "\C-c\C-f\C-r" 'message-goto-reply-to) | |
704 | (define-key message-mode-map "\C-c\C-f\C-n" 'message-goto-newsgroups) | |
705 | (define-key message-mode-map "\C-c\C-f\C-d" 'message-goto-distribution) | |
706 | (define-key message-mode-map "\C-c\C-f\C-f" 'message-goto-followup-to) | |
707 | (define-key message-mode-map "\C-c\C-f\C-k" 'message-goto-keywords) | |
708 | (define-key message-mode-map "\C-c\C-f\C-u" 'message-goto-summary) | |
709 | (define-key message-mode-map "\C-c\C-b" 'message-goto-body) | |
710 | (define-key message-mode-map "\C-c\C-i" 'message-goto-signature) | |
711 | ||
712 | (define-key message-mode-map "\C-c\C-t" 'message-insert-to) | |
713 | (define-key message-mode-map "\C-c\C-n" 'message-insert-newsgroups) | |
714 | ||
715 | (define-key message-mode-map "\C-c\C-y" 'message-yank-original) | |
716 | (define-key message-mode-map "\C-c\C-q" 'message-fill-yanked-message) | |
717 | (define-key message-mode-map "\C-c\C-w" 'message-insert-signature) | |
718 | (define-key message-mode-map "\C-c\C-r" 'message-caesar-buffer-body) | |
719 | (define-key message-mode-map "\C-c\C-o" 'message-sort-headers) | |
720 | (define-key message-mode-map "\C-c\M-r" 'message-rename-buffer) | |
721 | ||
722 | (define-key message-mode-map "\C-c\C-c" 'message-send-and-exit) | |
723 | (define-key message-mode-map "\C-c\C-s" 'message-send) | |
724 | (define-key message-mode-map "\C-c\C-k" 'message-kill-buffer) | |
725 | (define-key message-mode-map "\C-c\C-d" 'message-dont-send) | |
726 | ||
727 | (define-key message-mode-map "\t" 'message-tab)) | |
728 | ||
729 | (easy-menu-define message-mode-menu message-mode-map | |
730 | "Message Menu." | |
731 | '("Message" | |
732 | "Go to Field:" | |
733 | "----" | |
734 | ["To" message-goto-to t] | |
735 | ["Subject" message-goto-subject t] | |
736 | ["Cc" message-goto-cc t] | |
737 | ["Reply-to" message-goto-reply-to t] | |
738 | ["Summary" message-goto-summary t] | |
739 | ["Keywords" message-goto-keywords t] | |
740 | ["Newsgroups" message-goto-newsgroups t] | |
741 | ["Followup-To" message-goto-followup-to t] | |
742 | ["Distribution" message-goto-distribution t] | |
743 | ["Body" message-goto-body t] | |
744 | ["Signature" message-goto-signature t] | |
745 | "----" | |
746 | "Miscellaneous Commands:" | |
747 | "----" | |
748 | ["Sort Headers" message-sort-headers t] | |
749 | ["Yank Original" message-yank-original t] | |
750 | ["Fill Yanked Message" message-fill-yanked-message t] | |
751 | ["Insert Signature" message-insert-signature t] | |
752 | ["Caesar (rot13) Message" message-caesar-buffer-body t] | |
753 | ["Rename buffer" message-rename-buffer t] | |
754 | ["Spellcheck" ispell-message t] | |
755 | "----" | |
756 | ["Send Message" message-send-and-exit t] | |
757 | ["Abort Message" message-dont-send t])) | |
758 | ||
759 | (defvar facemenu-add-face-function) | |
760 | (defvar facemenu-remove-face-function) | |
761 | ||
762 | ;;;###autoload | |
763 | (defun message-mode () | |
764 | "Major mode for editing mail and news to be sent. | |
765 | Like Text Mode but with these additional commands: | |
766 | C-c C-s message-send (send the message) C-c C-c message-send-and-exit | |
767 | C-c C-f move to a header field (and create it if there isn't): | |
768 | C-c C-f C-t move to To C-c C-f C-s move to Subject | |
769 | C-c C-f C-c move to Cc C-c C-f C-b move to Bcc | |
770 | C-c C-f C-f move to Fcc C-c C-f C-r move to Reply-To | |
771 | C-c C-f C-u move to Summary C-c C-f C-n move to Newsgroups | |
772 | C-c C-f C-k move to Keywords C-c C-f C-d move to Distribution | |
773 | C-c C-f C-o move to Followup-To | |
774 | C-c C-t message-insert-to (add a To header to a news followup) | |
775 | C-c C-n message-insert-newsgroups (add a Newsgroup header to a news reply) | |
776 | C-c C-b message-goto-body (move to beginning of message text). | |
777 | C-c C-i message-goto-signature (move to the beginning of the signature). | |
778 | C-c C-w message-insert-signature (insert `message-signature-file' file). | |
779 | C-c C-y message-yank-original (insert current message, if any). | |
780 | C-c C-q message-fill-yanked-message (fill what was yanked). | |
781 | C-c C-r message-ceasar-buffer-body (rot13 the message body)." | |
782 | (interactive) | |
783 | (kill-all-local-variables) | |
784 | (make-local-variable 'message-reply-buffer) | |
785 | (setq message-reply-buffer nil) | |
786 | (make-local-variable 'message-send-actions) | |
787 | (make-local-variable 'message-exit-actions) | |
788 | (make-local-variable 'message-kill-actions) | |
789 | (make-local-variable 'message-postpone-actions) | |
790 | (set-syntax-table message-mode-syntax-table) | |
791 | (use-local-map message-mode-map) | |
792 | (setq local-abbrev-table text-mode-abbrev-table) | |
793 | (setq major-mode 'message-mode) | |
794 | (setq mode-name "Message") | |
795 | (setq buffer-offer-save t) | |
796 | (make-local-variable 'font-lock-defaults) | |
797 | (setq font-lock-defaults '(message-font-lock-keywords t)) | |
798 | (make-local-variable 'facemenu-add-face-function) | |
799 | (make-local-variable 'facemenu-remove-face-function) | |
800 | (setq facemenu-add-face-function | |
801 | (lambda (face end) | |
802 | (let ((face-fun (cdr (assq face message-face-alist)))) | |
803 | (if face-fun | |
804 | (funcall face-fun (point) end) | |
805 | (error "Face %s not configured for %s mode" face mode-name))) | |
806 | "") | |
807 | facemenu-remove-face-function t) | |
808 | (make-local-variable 'paragraph-separate) | |
809 | (make-local-variable 'paragraph-start) | |
810 | (setq paragraph-start (concat (regexp-quote mail-header-separator) | |
811 | "$\\|[ \t]*[-_][-_][-_]+$\\|" | |
812 | "-- $\\|" | |
813 | paragraph-start)) | |
814 | (setq paragraph-separate (concat (regexp-quote mail-header-separator) | |
815 | "$\\|[ \t]*[-_][-_][-_]+$\\|" | |
816 | "-- $\\|" | |
817 | paragraph-separate)) | |
818 | (make-local-variable 'message-reply-headers) | |
819 | (setq message-reply-headers nil) | |
820 | (make-local-variable 'message-newsreader) | |
821 | (make-local-variable 'message-mailer) | |
822 | (make-local-variable 'message-post-method) | |
823 | (make-local-variable 'message-sent-message-via) | |
824 | (setq message-sent-message-via nil) | |
825 | (make-local-variable 'message-checksum) | |
826 | (setq message-checksum nil) | |
827 | (when (fboundp 'mail-hist-define-keys) | |
828 | (mail-hist-define-keys)) | |
829 | (when (string-match "XEmacs\\|Lucid" emacs-version) | |
830 | (message-setup-toolbar)) | |
831 | (easy-menu-add message-mode-menu message-mode-map) | |
832 | ;; Allow mail alias things. | |
833 | (if (fboundp 'mail-abbrevs-setup) | |
834 | (mail-abbrevs-setup) | |
835 | (funcall (intern "mail-aliases-setup"))) | |
836 | (run-hooks 'text-mode-hook 'message-mode-hook)) | |
837 | ||
838 | \f | |
839 | ||
840 | ;;; | |
841 | ;;; Message mode commands | |
842 | ;;; | |
843 | ||
844 | ;;; Movement commands | |
845 | ||
846 | (defun message-goto-to () | |
847 | "Move point to the To header." | |
848 | (interactive) | |
849 | (message-position-on-field "To")) | |
850 | ||
851 | (defun message-goto-subject () | |
852 | "Move point to the Subject header." | |
853 | (interactive) | |
854 | (message-position-on-field "Subject")) | |
855 | ||
856 | (defun message-goto-cc () | |
857 | "Move point to the Cc header." | |
858 | (interactive) | |
859 | (message-position-on-field "Cc" "To")) | |
860 | ||
861 | (defun message-goto-bcc () | |
862 | "Move point to the Bcc header." | |
863 | (interactive) | |
864 | (message-position-on-field "Bcc" "Cc" "To")) | |
865 | ||
866 | (defun message-goto-fcc () | |
867 | "Move point to the Fcc header." | |
868 | (interactive) | |
869 | (message-position-on-field "Fcc" "To" "Newsgroups")) | |
870 | ||
871 | (defun message-goto-reply-to () | |
872 | "Move point to the Reply-To header." | |
873 | (interactive) | |
874 | (message-position-on-field "Reply-To" "Subject")) | |
875 | ||
876 | (defun message-goto-newsgroups () | |
877 | "Move point to the Newsgroups header." | |
878 | (interactive) | |
879 | (message-position-on-field "Newsgroups")) | |
880 | ||
881 | (defun message-goto-distribution () | |
882 | "Move point to the Distribution header." | |
883 | (interactive) | |
884 | (message-position-on-field "Distribution")) | |
885 | ||
886 | (defun message-goto-followup-to () | |
887 | "Move point to the Followup-To header." | |
888 | (interactive) | |
889 | (message-position-on-field "Followup-To" "Newsgroups")) | |
890 | ||
891 | (defun message-goto-keywords () | |
892 | "Move point to the Keywords header." | |
893 | (interactive) | |
894 | (message-position-on-field "Keywords" "Subject")) | |
895 | ||
896 | (defun message-goto-summary () | |
897 | "Move point to the Summary header." | |
898 | (interactive) | |
899 | (message-position-on-field "Summary" "Subject")) | |
900 | ||
901 | (defun message-goto-body () | |
902 | "Move point to the beginning of the message body." | |
903 | (interactive) | |
904 | (if (looking-at "[ \t]*\n") (expand-abbrev)) | |
905 | (goto-char (point-min)) | |
906 | (search-forward (concat "\n" mail-header-separator "\n") nil t)) | |
907 | ||
908 | (defun message-goto-signature () | |
909 | "Move point to the beginning of the message signature." | |
910 | (interactive) | |
911 | (goto-char (point-min)) | |
912 | (or (re-search-forward message-signature-separator nil t) | |
913 | (goto-char (point-max)))) | |
914 | ||
915 | \f | |
916 | ||
917 | (defun message-insert-to () | |
918 | "Insert a To header that points to the author of the article being replied to." | |
919 | (interactive) | |
920 | (when (and (message-position-on-field "To") | |
921 | (mail-fetch-field "to") | |
922 | (not (string-match "\\` *\\'" (mail-fetch-field "to")))) | |
923 | (insert ", ")) | |
924 | (insert (or (message-fetch-reply-field "reply-to") | |
925 | (message-fetch-reply-field "from") ""))) | |
926 | ||
927 | (defun message-insert-newsgroups () | |
928 | "Insert the Newsgroups header from the article being replied to." | |
929 | (interactive) | |
930 | (when (and (message-position-on-field "Newsgroups") | |
931 | (mail-fetch-field "newsgroups") | |
932 | (not (string-match "\\` *\\'" (mail-fetch-field "newsgroups")))) | |
933 | (insert ",")) | |
934 | (insert (or (message-fetch-reply-field "newsgroups") ""))) | |
935 | ||
936 | \f | |
937 | ||
938 | ;;; Various commands | |
939 | ||
940 | (defun message-insert-signature (&optional force) | |
941 | "Insert a signature. See documentation for the `message-signature' variable." | |
942 | (interactive (list 0)) | |
943 | (let* ((signature | |
944 | (cond ((and (null message-signature) | |
945 | (eq force 0)) | |
946 | (save-excursion | |
947 | (goto-char (point-max)) | |
948 | (not (re-search-backward | |
949 | message-signature-separator nil t)))) | |
950 | ((and (null message-signature) | |
951 | force) | |
952 | t) | |
953 | ((message-functionp message-signature) | |
954 | (funcall message-signature)) | |
955 | ((listp message-signature) | |
956 | (eval message-signature)) | |
957 | (t message-signature))) | |
958 | (signature | |
959 | (cond ((stringp signature) | |
960 | signature) | |
961 | ((and (eq t signature) | |
962 | message-signature-file | |
963 | (file-exists-p message-signature-file)) | |
964 | signature)))) | |
965 | (when signature | |
966 | ; ;; Remove blank lines at the end of the message. | |
967 | (goto-char (point-max)) | |
968 | ; (skip-chars-backward " \t\n") | |
969 | ; (delete-region (point) (point-max)) | |
970 | ;; Insert the signature. | |
971 | (unless (bolp) | |
972 | (insert "\n")) | |
973 | (insert "\n-- \n") | |
974 | (if (eq signature t) | |
975 | (insert-file-contents message-signature-file) | |
976 | (insert signature)) | |
977 | (goto-char (point-max)) | |
978 | (or (bolp) (insert "\n"))))) | |
979 | ||
980 | (defvar message-caesar-translation-table nil) | |
981 | ||
982 | (defun message-caesar-region (b e &optional n) | |
983 | "Caesar rotation of region by N, default 13, for decrypting netnews." | |
984 | (interactive | |
985 | (list | |
986 | (min (point) (or (mark t) (point))) | |
987 | (max (point) (or (mark t) (point))) | |
988 | (when current-prefix-arg | |
989 | (prefix-numeric-value current-prefix-arg)))) | |
990 | ||
991 | (setq n (if (numberp n) (mod n 26) 13)) ;canonize N | |
992 | (unless (or (zerop n) ; no action needed for a rot of 0 | |
993 | (= b e)) ; no region to rotate | |
994 | ;; We build the table, if necessary. | |
995 | (when (or (not message-caesar-translation-table) | |
996 | (/= (aref message-caesar-translation-table ?a) (+ ?a n))) | |
997 | (let ((i -1) | |
998 | (table (make-string 256 0))) | |
999 | (while (< (incf i) 256) | |
1000 | (aset table i i)) | |
1001 | (setq table | |
1002 | (concat | |
1003 | (substring table 0 ?A) | |
1004 | (substring table (+ ?A n) (+ ?A n (- 26 n))) | |
1005 | (substring table ?A (+ ?A n)) | |
1006 | (substring table (+ ?A 26) ?a) | |
1007 | (substring table (+ ?a n) (+ ?a n (- 26 n))) | |
1008 | (substring table ?a (+ ?a n)) | |
1009 | (substring table (+ ?a 26) 255))) | |
1010 | (setq message-caesar-translation-table table))) | |
1011 | ;; Then we translate the region. Do it this way to retain | |
1012 | ;; text properties. | |
1013 | (while (< b e) | |
1014 | (subst-char-in-region | |
1015 | b (1+ b) (char-after b) | |
1016 | (aref message-caesar-translation-table (char-after b))) | |
1017 | (incf b)))) | |
1018 | ||
1019 | (defun message-caesar-buffer-body (&optional rotnum) | |
1020 | "Caesar rotates all letters in the current buffer by 13 places. | |
1021 | Used to encode/decode possibly offensive messages (commonly in net.jokes). | |
1022 | With prefix arg, specifies the number of places to rotate each letter forward. | |
1023 | Mail and USENET news headers are not rotated." | |
1024 | (interactive (if current-prefix-arg | |
1025 | (list (prefix-numeric-value current-prefix-arg)) | |
1026 | (list nil))) | |
1027 | (save-excursion | |
1028 | (save-restriction | |
1029 | (when (message-goto-body) | |
1030 | (narrow-to-region (point) (point-max))) | |
1031 | (message-caesar-region (point-min) (point-max) rotnum)))) | |
1032 | ||
1033 | (defun message-rename-buffer (&optional enter-string) | |
1034 | "Rename the *message* buffer to \"*message* RECIPIENT\". | |
1035 | If the function is run with a prefix, it will ask for a new buffer | |
1036 | name, rather than giving an automatic name." | |
1037 | (interactive "Pbuffer name: ") | |
1038 | (save-excursion | |
1039 | (save-restriction | |
1040 | (goto-char (point-min)) | |
1041 | (narrow-to-region (point) | |
1042 | (search-forward mail-header-separator nil 'end)) | |
1043 | (let* ((mail-to (if (message-news-p) (message-fetch-field "Newsgroups") | |
1044 | (message-fetch-field "To"))) | |
1045 | (mail-trimmed-to | |
1046 | (if (string-match "," mail-to) | |
1047 | (concat (substring mail-to 0 (match-beginning 0)) ", ...") | |
1048 | mail-to)) | |
1049 | (name-default (concat "*message* " mail-trimmed-to)) | |
1050 | (name (if enter-string | |
1051 | (read-string "New buffer name: " name-default) | |
1052 | name-default))) | |
1053 | (rename-buffer name t))))) | |
1054 | ||
1055 | (defun message-fill-yanked-message (&optional justifyp) | |
1056 | "Fill the paragraphs of a message yanked into this one. | |
1057 | Numeric argument means justify as well." | |
1058 | (interactive "P") | |
1059 | (save-excursion | |
1060 | (goto-char (point-min)) | |
1061 | (search-forward (concat "\n" mail-header-separator "\n") nil t) | |
1062 | (let ((fill-prefix message-yank-prefix)) | |
1063 | (fill-individual-paragraphs (point) (point-max) justifyp t)))) | |
1064 | ||
1065 | (defun message-indent-citation () | |
1066 | "Modify text just inserted from a message to be cited. | |
1067 | The inserted text should be the region. | |
1068 | When this function returns, the region is again around the modified text. | |
1069 | ||
1070 | Normally, indent each nonblank line `message-indentation-spaces' spaces. | |
1071 | However, if `message-yank-prefix' is non-nil, insert that prefix on each line." | |
1072 | (let ((start (point))) | |
1073 | ;; Remove unwanted headers. | |
1074 | (when message-ignored-cited-headers | |
1075 | (save-restriction | |
1076 | (narrow-to-region | |
1077 | (goto-char start) | |
1078 | (if (search-forward "\n\n" nil t) | |
1079 | (1- (point)) | |
1080 | (point))) | |
1081 | (message-remove-header message-ignored-cited-headers t))) | |
1082 | ;; Do the indentation. | |
1083 | (if (null message-yank-prefix) | |
1084 | (indent-rigidly start (mark t) message-indentation-spaces) | |
1085 | (save-excursion | |
1086 | (goto-char start) | |
1087 | (while (< (point) (mark t)) | |
1088 | (insert message-yank-prefix) | |
1089 | (forward-line 1))) | |
1090 | (goto-char start)))) | |
1091 | ||
1092 | (defun message-yank-original (&optional arg) | |
1093 | "Insert the message being replied to, if any. | |
1094 | Puts point before the text and mark after. | |
1095 | Normally indents each nonblank line ARG spaces (default 3). However, | |
1096 | if `message-yank-prefix' is non-nil, insert that prefix on each line. | |
1097 | ||
1098 | Just \\[universal-argument] as argument means don't indent, insert no | |
1099 | prefix, and don't delete any headers." | |
1100 | (interactive "P") | |
1101 | (let ((modified (buffer-modified-p))) | |
1102 | (when (and message-reply-buffer | |
1103 | message-cite-function) | |
1104 | (delete-windows-on message-reply-buffer t) | |
1105 | (insert-buffer message-reply-buffer) | |
1106 | (funcall message-cite-function) | |
1107 | (message-exchange-point-and-mark) | |
1108 | (unless (bolp) | |
1109 | (insert ?\n)) | |
1110 | (unless modified | |
1111 | (setq message-checksum (cons (message-checksum) (buffer-size))))))) | |
1112 | ||
1113 | (defun message-cite-original () | |
1114 | (let ((start (point)) | |
1115 | (functions | |
1116 | (when message-indent-citation-function | |
1117 | (if (listp message-indent-citation-function) | |
1118 | message-indent-citation-function | |
1119 | (list message-indent-citation-function))))) | |
1120 | (goto-char start) | |
1121 | (while functions | |
1122 | (funcall (pop functions))) | |
1123 | (when message-citation-line-function | |
1124 | (unless (bolp) | |
1125 | (insert "\n")) | |
1126 | (funcall message-citation-line-function)))) | |
1127 | ||
1128 | (defun message-insert-citation-line () | |
1129 | "Function that inserts a simple citation line." | |
1130 | (when message-reply-headers | |
1131 | (insert (mail-header-from message-reply-headers) " writes:\n\n"))) | |
1132 | ||
1133 | (defun message-position-on-field (header &rest afters) | |
1134 | (let ((case-fold-search t)) | |
1135 | (save-restriction | |
1136 | (narrow-to-region | |
1137 | (goto-char (point-min)) | |
1138 | (progn | |
1139 | (re-search-forward | |
1140 | (concat "^" (regexp-quote mail-header-separator) "$")) | |
1141 | (match-beginning 0))) | |
1142 | (goto-char (point-min)) | |
1143 | (if (re-search-forward (concat "^" (regexp-quote header) ":") nil t) | |
1144 | (progn | |
1145 | (re-search-forward "^[^ \t]" nil 'move) | |
1146 | (beginning-of-line) | |
1147 | (skip-chars-backward "\n") | |
1148 | t) | |
1149 | (while (and afters | |
1150 | (not (re-search-forward | |
1151 | (concat "^" (regexp-quote (car afters)) ":") | |
1152 | nil t))) | |
1153 | (pop afters)) | |
1154 | (when afters | |
1155 | (re-search-forward "^[^ \t]" nil 'move) | |
1156 | (beginning-of-line)) | |
1157 | (insert header ": \n") | |
1158 | (forward-char -1) | |
1159 | nil)))) | |
1160 | ||
1161 | (defun message-remove-signature () | |
1162 | "Remove the signature from the text between point and mark. | |
1163 | The text will also be indented the normal way." | |
1164 | (save-excursion | |
1165 | (let ((start (point)) | |
1166 | mark) | |
1167 | (if (not (re-search-forward message-signature-separator (mark t) t)) | |
1168 | ;; No signature here, so we just indent the cited text. | |
1169 | (message-indent-citation) | |
1170 | ;; Find the last non-empty line. | |
1171 | (forward-line -1) | |
1172 | (while (looking-at "[ \t]*$") | |
1173 | (forward-line -1)) | |
1174 | (forward-line 1) | |
1175 | (setq mark (set-marker (make-marker) (point))) | |
1176 | (goto-char start) | |
1177 | (message-indent-citation) | |
1178 | ;; Enable undoing the deletion. | |
1179 | (undo-boundary) | |
1180 | (delete-region mark (mark t)) | |
1181 | (set-marker mark nil))))) | |
1182 | ||
1183 | \f | |
1184 | ||
1185 | ;;; | |
1186 | ;;; Sending messages | |
1187 | ;;; | |
1188 | ||
1189 | (defun message-send-and-exit (&optional arg) | |
1190 | "Send message like `message-send', then, if no errors, exit from mail buffer." | |
1191 | (interactive "P") | |
1192 | (let ((buf (current-buffer)) | |
1193 | (actions message-exit-actions)) | |
1194 | (when (and (message-send arg) | |
1195 | (buffer-name buf)) | |
1196 | (if message-kill-buffer-on-exit | |
1197 | (kill-buffer buf) | |
1198 | (bury-buffer buf) | |
1199 | (when (eq buf (current-buffer)) | |
1200 | (message-bury buf))) | |
1201 | (message-do-actions actions)))) | |
1202 | ||
1203 | (defun message-dont-send () | |
1204 | "Don't send the message you have been editing." | |
1205 | (interactive) | |
1206 | (message-bury (current-buffer)) | |
1207 | (message-do-actions message-postpone-actions)) | |
1208 | ||
1209 | (defun message-kill-buffer () | |
1210 | "Kill the current buffer." | |
1211 | (interactive) | |
1212 | (let ((actions message-kill-actions)) | |
1213 | (kill-buffer (current-buffer)) | |
1214 | (message-do-actions actions))) | |
1215 | ||
1216 | (defun message-bury (buffer) | |
1217 | "Bury this mail buffer." | |
1218 | (let ((newbuf (other-buffer buffer))) | |
1219 | (bury-buffer buffer) | |
1220 | (if (and (fboundp 'frame-parameters) | |
1221 | (cdr (assq 'dedicated (frame-parameters))) | |
1222 | (not (null (delq (selected-frame) (visible-frame-list))))) | |
1223 | (delete-frame (selected-frame)) | |
1224 | (switch-to-buffer newbuf)))) | |
1225 | ||
1226 | (defun message-send (&optional arg) | |
1227 | "Send the message in the current buffer. | |
1228 | If `message-interactive' is non-nil, wait for success indication | |
1229 | or error messages, and inform user. | |
1230 | Otherwise any failure is reported in a message back to | |
1231 | the user from the mailer." | |
1232 | (interactive "P") | |
1233 | (when (if buffer-file-name | |
1234 | (y-or-n-p (format "Send buffer contents as %s message? " | |
1235 | (if (message-mail-p) | |
1236 | (if (message-news-p) "mail and news" "mail") | |
1237 | "news"))) | |
1238 | (or (buffer-modified-p) | |
1239 | (y-or-n-p "No changes in the buffer; really send? "))) | |
1240 | ;; Make it possible to undo the coming changes. | |
1241 | (undo-boundary) | |
1242 | (let ((inhibit-read-only t)) | |
1243 | (put-text-property (point-min) (point-max) 'read-only nil)) | |
1244 | (message-fix-before-sending) | |
1245 | (run-hooks 'message-send-hook) | |
1246 | (message "Sending...") | |
1247 | (when (and (or (not (message-news-p)) | |
1248 | (and (or (not (memq 'news message-sent-message-via)) | |
1249 | (y-or-n-p | |
1250 | "Already sent message via news; resend? ")) | |
1251 | (funcall message-send-news-function arg))) | |
1252 | (or (not (message-mail-p)) | |
1253 | (and (or (not (memq 'mail message-sent-message-via)) | |
1254 | (y-or-n-p | |
1255 | "Already sent message via mail; resend? ")) | |
1256 | (message-send-mail arg)))) | |
1257 | (message-do-fcc) | |
1258 | (when (fboundp 'mail-hist-put-headers-into-history) | |
1259 | (mail-hist-put-headers-into-history)) | |
1260 | (run-hooks 'message-sent-hook) | |
1261 | (message "Sending...done") | |
1262 | ;; If buffer has no file, mark it as unmodified and delete autosave. | |
1263 | (unless buffer-file-name | |
1264 | (set-buffer-modified-p nil) | |
1265 | (delete-auto-save-file-if-necessary t)) | |
1266 | ;; Delete other mail buffers and stuff. | |
1267 | (message-do-send-housekeeping) | |
1268 | (message-do-actions message-send-actions) | |
1269 | ;; Return success. | |
1270 | t))) | |
1271 | ||
1272 | (defun message-fix-before-sending () | |
1273 | "Do various things to make the message nice before sending it." | |
1274 | ;; Make sure there's a newline at the end of the message. | |
1275 | (goto-char (point-max)) | |
1276 | (unless (bolp) | |
1277 | (insert "\n"))) | |
1278 | ||
1279 | (defun message-add-action (action &rest types) | |
1280 | "Add ACTION to be performed when doing an exit of type TYPES." | |
1281 | (let (var) | |
1282 | (while types | |
1283 | (set (setq var (intern (format "message-%s-actions" (pop types)))) | |
1284 | (nconc (symbol-value var) (list action)))))) | |
1285 | ||
1286 | (defun message-do-actions (actions) | |
1287 | "Perform all actions in ACTIONS." | |
1288 | ;; Now perform actions on successful sending. | |
1289 | (while actions | |
1290 | (condition-case nil | |
1291 | (cond | |
1292 | ;; A simple function. | |
1293 | ((message-functionp (car actions)) | |
1294 | (funcall (car actions))) | |
1295 | ;; Something to be evaled. | |
1296 | (t | |
1297 | (eval (car actions)))) | |
1298 | (error)) | |
1299 | (pop actions))) | |
1300 | ||
1301 | (defun message-send-mail (&optional arg) | |
1302 | (require 'mail-utils) | |
1303 | (let ((tembuf (generate-new-buffer " message temp")) | |
1304 | (case-fold-search nil) | |
1305 | (news (message-news-p)) | |
1306 | (mailbuf (current-buffer))) | |
1307 | (save-restriction | |
1308 | (message-narrow-to-headers) | |
1309 | ;; Insert some headers. | |
1310 | (let ((message-deletable-headers | |
1311 | (if news nil message-deletable-headers))) | |
1312 | (message-generate-headers message-required-mail-headers)) | |
1313 | ;; Let the user do all of the above. | |
1314 | (run-hooks 'message-header-hook)) | |
1315 | (unwind-protect | |
1316 | (save-excursion | |
1317 | (set-buffer tembuf) | |
1318 | (erase-buffer) | |
1319 | (insert-buffer-substring mailbuf) | |
1320 | ;; Remove some headers. | |
1321 | (save-restriction | |
1322 | (message-narrow-to-headers) | |
1323 | ;; Remove some headers. | |
1324 | (message-remove-header message-ignored-mail-headers t)) | |
1325 | (goto-char (point-max)) | |
1326 | ;; require one newline at the end. | |
1327 | (or (= (preceding-char) ?\n) | |
1328 | (insert ?\n)) | |
1329 | (when (and news | |
1330 | (or (message-fetch-field "cc") | |
1331 | (message-fetch-field "to"))) | |
1332 | (message-insert-courtesy-copy)) | |
1333 | (funcall message-send-mail-function)) | |
1334 | (kill-buffer tembuf)) | |
1335 | (set-buffer mailbuf) | |
1336 | (push 'mail message-sent-message-via))) | |
1337 | ||
1338 | (defun message-send-mail-with-sendmail () | |
1339 | "Send off the prepared buffer with sendmail." | |
1340 | (let ((errbuf (if message-interactive | |
1341 | (generate-new-buffer " sendmail errors") | |
1342 | 0)) | |
1343 | resend-to-addresses delimline) | |
1344 | (let ((case-fold-search t)) | |
1345 | (save-restriction | |
1346 | (message-narrow-to-headers) | |
1347 | (setq resend-to-addresses (message-fetch-field "resent-to"))) | |
1348 | ;; Change header-delimiter to be what sendmail expects. | |
1349 | (goto-char (point-min)) | |
1350 | (re-search-forward | |
1351 | (concat "^" (regexp-quote mail-header-separator) "\n")) | |
1352 | (replace-match "\n") | |
1353 | (backward-char 1) | |
1354 | (setq delimline (point-marker)) | |
1355 | ;; Insert an extra newline if we need it to work around | |
1356 | ;; Sun's bug that swallows newlines. | |
1357 | (goto-char (1+ delimline)) | |
1358 | (when (eval message-mailer-swallows-blank-line) | |
1359 | (newline)) | |
1360 | (when message-interactive | |
1361 | (save-excursion | |
1362 | (set-buffer errbuf) | |
1363 | (erase-buffer)))) | |
1364 | (let ((default-directory "/")) | |
1365 | (apply 'call-process-region | |
1366 | (append (list (point-min) (point-max) | |
1367 | (if (boundp 'sendmail-program) | |
1368 | sendmail-program | |
1369 | "/usr/lib/sendmail") | |
1370 | nil errbuf nil "-oi") | |
1371 | ;; Always specify who from, | |
1372 | ;; since some systems have broken sendmails. | |
1373 | (list "-f" (user-login-name)) | |
1374 | ;; These mean "report errors by mail" | |
1375 | ;; and "deliver in background". | |
1376 | (if (null message-interactive) '("-oem" "-odb")) | |
1377 | ;; Get the addresses from the message | |
1378 | ;; unless this is a resend. | |
1379 | ;; We must not do that for a resend | |
1380 | ;; because we would find the original addresses. | |
1381 | ;; For a resend, include the specific addresses. | |
1382 | (if resend-to-addresses | |
1383 | (list resend-to-addresses) | |
1384 | '("-t"))))) | |
1385 | (when message-interactive | |
1386 | (save-excursion | |
1387 | (set-buffer errbuf) | |
1388 | (goto-char (point-min)) | |
1389 | (while (re-search-forward "\n\n* *" nil t) | |
1390 | (replace-match "; ")) | |
1391 | (if (not (zerop (buffer-size))) | |
1392 | (error "Sending...failed to %s" | |
1393 | (buffer-substring (point-min) (point-max))))) | |
1394 | (when (bufferp errbuf) | |
1395 | (kill-buffer errbuf))))) | |
1396 | ||
1397 | (defun message-send-mail-with-mh () | |
1398 | "Send the prepared message buffer with mh." | |
1399 | (let ((mh-previous-window-config nil) | |
1400 | (name (make-temp-name | |
1401 | (concat (file-name-as-directory message-autosave-directory) | |
1402 | "msg.")))) | |
1403 | (setq buffer-file-name name) | |
1404 | (mh-send-letter) | |
1405 | (condition-case () | |
1406 | (delete-file name) | |
1407 | (error nil)))) | |
1408 | ||
1409 | (defun message-send-news (&optional arg) | |
1410 | (let ((tembuf (generate-new-buffer " *message temp*")) | |
1411 | (case-fold-search nil) | |
1412 | (method (if (message-functionp message-post-method) | |
1413 | (funcall message-post-method arg) | |
1414 | message-post-method)) | |
1415 | (messbuf (current-buffer)) | |
1416 | (message-syntax-checks | |
1417 | (if arg | |
1418 | (cons '(existing-newsgroups . disabled) | |
1419 | message-syntax-checks) | |
1420 | message-syntax-checks)) | |
1421 | result) | |
1422 | (save-restriction | |
1423 | (message-narrow-to-headers) | |
1424 | ;; Insert some headers. | |
1425 | (message-generate-headers message-required-news-headers) | |
1426 | ;; Let the user do all of the above. | |
1427 | (run-hooks 'message-header-hook)) | |
1428 | (message-cleanup-headers) | |
1429 | (when (message-check-news-syntax) | |
1430 | (unwind-protect | |
1431 | (save-excursion | |
1432 | (set-buffer tembuf) | |
1433 | (buffer-disable-undo (current-buffer)) | |
1434 | (erase-buffer) | |
1435 | (insert-buffer-substring messbuf) | |
1436 | ;; Remove some headers. | |
1437 | (save-restriction | |
1438 | (message-narrow-to-headers) | |
1439 | ;; Remove some headers. | |
1440 | (message-remove-header message-ignored-news-headers t)) | |
1441 | (goto-char (point-max)) | |
1442 | ;; require one newline at the end. | |
1443 | (or (= (preceding-char) ?\n) | |
1444 | (insert ?\n)) | |
1445 | (let ((case-fold-search t)) | |
1446 | ;; Remove the delimeter. | |
1447 | (goto-char (point-min)) | |
1448 | (re-search-forward | |
1449 | (concat "^" (regexp-quote mail-header-separator) "\n")) | |
1450 | (replace-match "\n") | |
1451 | (backward-char 1)) | |
1452 | (require (car method)) | |
1453 | (funcall (intern (format "%s-open-server" (car method))) | |
1454 | (cadr method) (cddr method)) | |
1455 | (setq result | |
1456 | (funcall (intern (format "%s-request-post" (car method)))))) | |
1457 | (kill-buffer tembuf)) | |
1458 | (set-buffer messbuf) | |
1459 | (if result | |
1460 | (push 'news message-sent-message-via) | |
1461 | (message "Couldn't send message via news: %s" | |
1462 | (nnheader-get-report (car method))) | |
1463 | nil)))) | |
1464 | ||
1465 | ;;; | |
1466 | ;;; Header generation & syntax checking. | |
1467 | ;;; | |
1468 | ||
1469 | (defun message-check-news-syntax () | |
1470 | "Check the syntax of the message." | |
1471 | (and | |
1472 | ;; We narrow to the headers and check them first. | |
1473 | (save-excursion | |
1474 | (save-restriction | |
1475 | (message-narrow-to-headers) | |
1476 | (and | |
1477 | ;; Check for commands in Subject. | |
1478 | (or | |
1479 | (message-check-element 'subject-cmsg) | |
1480 | (save-excursion | |
1481 | (if (string-match "^cmsg " (message-fetch-field "subject")) | |
1482 | (y-or-n-p | |
1483 | "The control code \"cmsg \" is in the subject. Really post? ") | |
1484 | t))) | |
1485 | ;; Check for multiple identical headers. | |
1486 | (or (message-check-element 'multiple-headers) | |
1487 | (save-excursion | |
1488 | (let (found) | |
1489 | (while (and (not found) | |
1490 | (re-search-forward "^[^ \t:]+: " nil t)) | |
1491 | (save-excursion | |
1492 | (or (re-search-forward | |
1493 | (concat "^" (setq found | |
1494 | (buffer-substring | |
1495 | (match-beginning 0) | |
1496 | (- (match-end 0) 2)))) | |
1497 | nil t) | |
1498 | (setq found nil)))) | |
1499 | (if found | |
1500 | (y-or-n-p | |
1501 | (format "Multiple %s headers. Really post? " found)) | |
1502 | t)))) | |
1503 | ;; Check for Version and Sendsys. | |
1504 | (or (message-check-element 'sendsys) | |
1505 | (save-excursion | |
1506 | (if (re-search-forward "^Sendsys:\\|^Version:" nil t) | |
1507 | (y-or-n-p | |
1508 | (format "The article contains a %s command. Really post? " | |
1509 | (buffer-substring (match-beginning 0) | |
1510 | (1- (match-end 0))))) | |
1511 | t))) | |
1512 | ;; See whether we can shorten Followup-To. | |
1513 | (or (message-check-element 'shorten-followup-to) | |
1514 | (let ((newsgroups (message-fetch-field "newsgroups")) | |
1515 | (followup-to (message-fetch-field "followup-to")) | |
1516 | to) | |
1517 | (when (and newsgroups (string-match "," newsgroups) | |
1518 | (not followup-to) | |
1519 | (not | |
1520 | (zerop | |
1521 | (length | |
1522 | (setq to (completing-read | |
1523 | "Followups to: (default all groups) " | |
1524 | (mapcar (lambda (g) (list g)) | |
1525 | (cons "poster" | |
1526 | (message-tokenize-header | |
1527 | newsgroups))))))))) | |
1528 | (goto-char (point-min)) | |
1529 | (insert "Followup-To: " to "\n")) | |
1530 | t)) | |
1531 | ;; Check "Shoot me". | |
1532 | (or (message-check-element 'shoot) | |
1533 | (save-excursion | |
1534 | (if (search-forward | |
1535 | ".i-have-a-misconfigured-system-so-shoot-me" nil t) | |
1536 | (y-or-n-p | |
1537 | "You appear to have a misconfigured system. Really post? ") | |
1538 | t))) | |
1539 | ;; Check for Approved. | |
1540 | (or (message-check-element 'approved) | |
1541 | (save-excursion | |
1542 | (if (re-search-forward "^Approved:" nil t) | |
1543 | (y-or-n-p | |
1544 | "The article contains an Approved header. Really post? ") | |
1545 | t))) | |
1546 | ;; Check the Message-Id header. | |
1547 | (or (message-check-element 'message-id) | |
1548 | (save-excursion | |
1549 | (let* ((case-fold-search t) | |
1550 | (message-id (message-fetch-field "message-id"))) | |
1551 | (or (not message-id) | |
1552 | (and (string-match "@" message-id) | |
1553 | (string-match "@[^\\.]*\\." message-id)) | |
1554 | (y-or-n-p | |
1555 | (format | |
1556 | "The Message-ID looks strange: \"%s\". Really post? " | |
1557 | message-id)))))) | |
1558 | ;; Check the Subject header. | |
1559 | (or | |
1560 | (message-check-element 'subject) | |
1561 | (save-excursion | |
1562 | (let* ((case-fold-search t) | |
1563 | (subject (message-fetch-field "subject"))) | |
1564 | (or | |
1565 | (and subject | |
1566 | (not (string-match "\\`[ \t]*\\'" subject))) | |
1567 | (progn | |
1568 | (message | |
1569 | "The subject field is empty or missing. Posting is denied.") | |
1570 | nil))))) | |
1571 | ;; Check the Newsgroups & Followup-To headers. | |
1572 | (or | |
1573 | (message-check-element 'existing-newsgroups) | |
1574 | (let* ((case-fold-search t) | |
1575 | (newsgroups (message-fetch-field "newsgroups")) | |
1576 | (followup-to (message-fetch-field "followup-to")) | |
1577 | (groups (message-tokenize-header | |
1578 | (if followup-to | |
1579 | (concat newsgroups "," followup-to) | |
1580 | newsgroups))) | |
1581 | (hashtb (and (boundp 'gnus-active-hashtb) | |
1582 | gnus-active-hashtb)) | |
1583 | errors) | |
1584 | (if (not hashtb) | |
1585 | t | |
1586 | (while groups | |
1587 | (when (and (not (boundp (intern (car groups) hashtb))) | |
1588 | (not (equal (car groups) "poster"))) | |
1589 | (push (car groups) errors)) | |
1590 | (pop groups)) | |
1591 | (if (not errors) | |
1592 | t | |
1593 | (y-or-n-p | |
1594 | (format | |
1595 | "Really post to %s unknown group%s: %s " | |
1596 | (if (= (length errors) 1) "this" "these") | |
1597 | (if (= (length errors) 1) "" "s") | |
1598 | (mapconcat 'identity errors ", "))))))) | |
1599 | ;; Check the Newsgroups & Followup-To headers for syntax errors. | |
1600 | (or | |
1601 | (message-check-element 'valid-newsgroups) | |
1602 | (let ((case-fold-search t) | |
1603 | (headers '("Newsgroups" "Followup-To")) | |
1604 | header error) | |
1605 | (while (and headers (not error)) | |
1606 | (when (setq header (mail-fetch-field (car headers))) | |
1607 | (if (or | |
1608 | (not | |
1609 | (string-match | |
1610 | "\\`\\([-+_&.a-zA-Z0-9]+\\)?\\(,[-.a-zA-Z0-9]+\\)*\\'" | |
1611 | header)) | |
1612 | (memq | |
1613 | nil (mapcar | |
1614 | (lambda (g) | |
1615 | (not (string-match "\\.\\'\\|\\.\\." g))) | |
1616 | (message-tokenize-header header ",")))) | |
1617 | (setq error t))) | |
1618 | (unless error | |
1619 | (pop headers))) | |
1620 | (if (not error) | |
1621 | t | |
1622 | (y-or-n-p | |
1623 | (format "The %s header looks odd: \"%s\". Really post? " | |
1624 | (car headers) header))))) | |
1625 | ;; Check the From header. | |
1626 | (or | |
1627 | (save-excursion | |
1628 | (let* ((case-fold-search t) | |
1629 | (from (message-fetch-field "from"))) | |
1630 | (cond | |
1631 | ((not from) | |
1632 | (message "There is no From line. Posting is denied.") | |
1633 | nil) | |
1634 | ((not (string-match "@[^\\.]*\\." from)) | |
1635 | (message | |
1636 | "Denied posting -- the From looks strange: \"%s\"." from) | |
1637 | nil) | |
1638 | ((string-match "@[^@]*@" from) | |
1639 | (message | |
1640 | "Denied posting -- two \"@\"'s in the From header: %s." from) | |
1641 | nil) | |
1642 | ((string-match "(.*).*(.*)" from) | |
1643 | (message | |
1644 | "Denied posting -- the From header looks strange: \"%s\"." | |
1645 | from) | |
1646 | nil) | |
1647 | (t t)))))))) | |
1648 | ;; Check for long lines. | |
1649 | (or (message-check-element 'long-lines) | |
1650 | (save-excursion | |
1651 | (goto-char (point-min)) | |
1652 | (re-search-forward | |
1653 | (concat "^" (regexp-quote mail-header-separator) "$")) | |
1654 | (while (and | |
1655 | (progn | |
1656 | (end-of-line) | |
1657 | (< (current-column) 80)) | |
1658 | (zerop (forward-line 1)))) | |
1659 | (or (bolp) | |
1660 | (eobp) | |
1661 | (y-or-n-p | |
1662 | "You have lines longer than 79 characters. Really post? ")))) | |
1663 | ;; Check whether the article is empty. | |
1664 | (or (message-check-element 'empty) | |
1665 | (save-excursion | |
1666 | (goto-char (point-min)) | |
1667 | (re-search-forward | |
1668 | (concat "^" (regexp-quote mail-header-separator) "$")) | |
1669 | (forward-line 1) | |
1670 | (let ((b (point))) | |
1671 | (or (re-search-forward message-signature-separator nil t) | |
1672 | (goto-char (point-max))) | |
1673 | (beginning-of-line) | |
1674 | (or (re-search-backward "[^ \n\t]" b t) | |
1675 | (y-or-n-p "Empty article. Really post? "))))) | |
1676 | ;; Check for control characters. | |
1677 | (or (message-check-element 'control-chars) | |
1678 | (save-excursion | |
1679 | (if (re-search-forward "[\000-\007\013\015-\037\200-\237]" nil t) | |
1680 | (y-or-n-p | |
1681 | "The article contains control characters. Really post? ") | |
1682 | t))) | |
1683 | ;; Check excessive size. | |
1684 | (or (message-check-element 'size) | |
1685 | (if (> (buffer-size) 60000) | |
1686 | (y-or-n-p | |
1687 | (format "The article is %d octets long. Really post? " | |
1688 | (buffer-size))) | |
1689 | t)) | |
1690 | ;; Check whether any new text has been added. | |
1691 | (or (message-check-element 'new-text) | |
1692 | (not message-checksum) | |
1693 | (not (and (eq (message-checksum) (car message-checksum)) | |
1694 | (eq (buffer-size) (cdr message-checksum)))) | |
1695 | (y-or-n-p | |
1696 | "It looks like no new text has been added. Really post? ")) | |
1697 | ;; Check the length of the signature. | |
1698 | (or | |
1699 | (message-check-element 'signature) | |
1700 | (progn | |
1701 | (goto-char (point-max)) | |
1702 | (if (or (not (re-search-backward "^-- $" nil t)) | |
1703 | (search-forward message-forward-end-separator nil t)) | |
1704 | t | |
1705 | (if (> (count-lines (point) (point-max)) 5) | |
1706 | (y-or-n-p | |
1707 | (format | |
1708 | "Your .sig is %d lines; it should be max 4. Really post? " | |
1709 | (count-lines (point) (point-max)))) | |
1710 | t)))))) | |
1711 | ||
1712 | (defun message-check-element (type) | |
1713 | "Returns non-nil if this type is not to be checked." | |
1714 | (if (eq message-syntax-checks 'dont-check-for-anything-just-trust-me) | |
1715 | t | |
1716 | (let ((able (assq type message-syntax-checks))) | |
1717 | (and (consp able) | |
1718 | (eq (cdr able) 'disabled))))) | |
1719 | ||
1720 | (defun message-checksum () | |
1721 | "Return a \"checksum\" for the current buffer." | |
1722 | (let ((sum 0)) | |
1723 | (save-excursion | |
1724 | (goto-char (point-min)) | |
1725 | (re-search-forward | |
1726 | (concat "^" (regexp-quote mail-header-separator) "$")) | |
1727 | (while (not (eobp)) | |
1728 | (when (not (looking-at "[ \t\n]")) | |
1729 | (setq sum (logxor (ash sum 1) (following-char)))) | |
1730 | (forward-char 1))) | |
1731 | sum)) | |
1732 | ||
1733 | (defun message-do-fcc () | |
1734 | "Process Fcc headers in the current buffer." | |
1735 | (let ((case-fold-search t) | |
1736 | (buf (current-buffer)) | |
1737 | list file) | |
1738 | (save-excursion | |
1739 | (set-buffer (get-buffer-create " *message temp*")) | |
1740 | (buffer-disable-undo (current-buffer)) | |
1741 | (erase-buffer) | |
1742 | (insert-buffer-substring buf) | |
1743 | (save-restriction | |
1744 | (message-narrow-to-headers) | |
1745 | (while (setq file (message-fetch-field "fcc")) | |
1746 | (push file list) | |
1747 | (message-remove-header "fcc" nil t))) | |
1748 | (goto-char (point-min)) | |
1749 | (re-search-forward (concat "^" (regexp-quote mail-header-separator) "$")) | |
1750 | (replace-match "" t t) | |
1751 | ;; Process FCC operations. | |
1752 | (while list | |
1753 | (setq file (pop list)) | |
1754 | (if (string-match "^[ \t]*|[ \t]*\\(.*\\)[ \t]*$" file) | |
1755 | ;; Pipe the article to the program in question. | |
1756 | (call-process-region (point-min) (point-max) shell-file-name | |
1757 | nil nil nil shell-command-switch | |
1758 | (match-string 1 file)) | |
1759 | ;; Save the article. | |
1760 | (setq file (expand-file-name file)) | |
1761 | (unless (file-exists-p (file-name-directory file)) | |
1762 | (make-directory (file-name-directory file) t)) | |
1763 | (if (and message-fcc-handler-function | |
1764 | (not (eq message-fcc-handler-function 'rmail-output))) | |
1765 | (funcall message-fcc-handler-function file) | |
1766 | (if (and (file-readable-p file) (mail-file-babyl-p file)) | |
1767 | (rmail-output file 1) | |
1768 | (let ((mail-use-rfc822 t)) | |
1769 | (rmail-output file 1 t t)))))) | |
1770 | (kill-buffer (current-buffer))))) | |
1771 | ||
1772 | (defun message-cleanup-headers () | |
1773 | "Do various automatic cleanups of the headers." | |
1774 | ;; Remove empty lines in the header. | |
1775 | (save-restriction | |
1776 | (message-narrow-to-headers) | |
1777 | (while (re-search-forward "^[ \t]*\n" nil t) | |
1778 | (replace-match "" t t))) | |
1779 | ||
1780 | ;; Correct Newsgroups and Followup-To headers: change sequence of | |
1781 | ;; spaces to comma and eliminate spaces around commas. Eliminate | |
1782 | ;; embedded line breaks. | |
1783 | (goto-char (point-min)) | |
1784 | (while (re-search-forward "^\\(Newsgroups\\|Followup-To\\): +" nil t) | |
1785 | (save-restriction | |
1786 | (narrow-to-region | |
1787 | (point) | |
1788 | (if (re-search-forward "^[^ \t]" nil t) | |
1789 | (match-beginning 0) | |
1790 | (forward-line 1) | |
1791 | (point))) | |
1792 | (goto-char (point-min)) | |
1793 | (while (re-search-forward "\n[ \t]+" nil t) | |
1794 | (replace-match " " t t)) ;No line breaks (too confusing) | |
1795 | (goto-char (point-min)) | |
1796 | (while (re-search-forward "[ \t\n]*,[ \t\n]*\\|[ \t]+" nil t) | |
1797 | (replace-match "," t t)) | |
1798 | (goto-char (point-min)) | |
1799 | ;; Remove trailing commas. | |
1800 | (when (re-search-forward ",+$" nil t) | |
1801 | (replace-match "" t t))))) | |
1802 | ||
1803 | (defun message-make-date () | |
1804 | "Make a valid data header." | |
1805 | (let ((now (current-time))) | |
1806 | (timezone-make-date-arpa-standard | |
1807 | (current-time-string now) (current-time-zone now)))) | |
1808 | ||
1809 | (defun message-make-message-id () | |
1810 | "Make a unique Message-ID." | |
1811 | (concat "<" (message-unique-id) | |
1812 | (let ((psubject (save-excursion (message-fetch-field "subject")))) | |
1813 | (if (and message-reply-headers | |
1814 | (mail-header-references message-reply-headers) | |
1815 | (mail-header-subject message-reply-headers) | |
1816 | psubject | |
1817 | (mail-header-subject message-reply-headers) | |
1818 | (not (string= | |
1819 | (message-strip-subject-re | |
1820 | (mail-header-subject message-reply-headers)) | |
1821 | (message-strip-subject-re psubject)))) | |
1822 | "_-_" "")) | |
1823 | "@" (message-make-fqdn) ">")) | |
1824 | ||
1825 | (defvar message-unique-id-char nil) | |
1826 | ||
1827 | ;; If you ever change this function, make sure the new version | |
1828 | ;; cannot generate IDs that the old version could. | |
1829 | ;; You might for example insert a "." somewhere (not next to another dot | |
1830 | ;; or string boundary), or modify the "fsf" string. | |
1831 | (defun message-unique-id () | |
1832 | ;; Don't use microseconds from (current-time), they may be unsupported. | |
1833 | ;; Instead we use this randomly inited counter. | |
1834 | (setq message-unique-id-char | |
1835 | (% (1+ (or message-unique-id-char (logand (random t) (1- (lsh 1 20))))) | |
1836 | ;; (current-time) returns 16-bit ints, | |
1837 | ;; and 2^16*25 just fits into 4 digits i base 36. | |
1838 | (* 25 25))) | |
1839 | (let ((tm (current-time))) | |
1840 | (concat | |
1841 | (if (memq system-type '(ms-dos emx vax-vms)) | |
1842 | (let ((user (downcase (user-login-name)))) | |
1843 | (while (string-match "[^a-z0-9_]" user) | |
1844 | (aset user (match-beginning 0) ?_)) | |
1845 | user) | |
1846 | (message-number-base36 (user-uid) -1)) | |
1847 | (message-number-base36 (+ (car tm) | |
1848 | (lsh (% message-unique-id-char 25) 16)) 4) | |
1849 | (message-number-base36 (+ (nth 1 tm) | |
1850 | (lsh (/ message-unique-id-char 25) 16)) 4) | |
1851 | ;; Append the newsreader name, because while the generated | |
1852 | ;; ID is unique to this newsreader, other newsreaders might | |
1853 | ;; otherwise generate the same ID via another algorithm. | |
1854 | ".fsf"))) | |
1855 | ||
1856 | (defun message-number-base36 (num len) | |
1857 | (if (if (< len 0) (<= num 0) (= len 0)) | |
1858 | "" | |
1859 | (concat (message-number-base36 (/ num 36) (1- len)) | |
1860 | (char-to-string (aref "zyxwvutsrqponmlkjihgfedcba9876543210" | |
1861 | (% num 36)))))) | |
1862 | ||
1863 | (defun message-make-organization () | |
1864 | "Make an Organization header." | |
1865 | (let* ((organization | |
1866 | (or (getenv "ORGANIZATION") | |
1867 | (when message-user-organization | |
1868 | (if (message-functionp message-user-organization) | |
1869 | (funcall message-user-organization) | |
1870 | message-user-organization))))) | |
1871 | (save-excursion | |
1872 | (message-set-work-buffer) | |
1873 | (cond ((stringp organization) | |
1874 | (insert organization)) | |
1875 | ((and (eq t organization) | |
1876 | message-user-organization-file | |
1877 | (file-exists-p message-user-organization-file)) | |
1878 | (insert-file-contents message-user-organization-file))) | |
1879 | (goto-char (point-min)) | |
1880 | (while (re-search-forward "[\t\n]+" nil t) | |
1881 | (replace-match "" t t)) | |
1882 | (unless (zerop (buffer-size)) | |
1883 | (buffer-string))))) | |
1884 | ||
1885 | (defun message-make-lines () | |
1886 | "Count the number of lines and return numeric string." | |
1887 | (save-excursion | |
1888 | (save-restriction | |
1889 | (widen) | |
1890 | (goto-char (point-min)) | |
1891 | (re-search-forward | |
1892 | (concat "^" (regexp-quote mail-header-separator) "$")) | |
1893 | (forward-line 1) | |
1894 | (int-to-string (count-lines (point) (point-max)))))) | |
1895 | ||
1896 | (defun message-make-in-reply-to () | |
1897 | "Return the In-Reply-To header for this message." | |
1898 | (when message-reply-headers | |
1899 | (let ((from (mail-header-from message-reply-headers)) | |
1900 | (date (mail-header-date message-reply-headers))) | |
1901 | (when from | |
1902 | (let ((stop-pos | |
1903 | (string-match " *at \\| *@ \\| *(\\| *<" from))) | |
1904 | (concat (if stop-pos (substring from 0 stop-pos) from) | |
1905 | "'s message of " | |
1906 | (if (or (not date) (string= date "")) | |
1907 | "(unknown date)" date))))))) | |
1908 | ||
1909 | (defun message-make-distribution () | |
1910 | "Make a Distribution header." | |
1911 | (let ((orig-distribution (message-fetch-reply-field "distribution"))) | |
1912 | (cond ((message-functionp message-distribution-function) | |
1913 | (funcall message-distribution-function)) | |
1914 | (t orig-distribution)))) | |
1915 | ||
1916 | (defun message-make-expires () | |
1917 | "Return an Expires header based on `message-expires'." | |
1918 | (let ((current (current-time)) | |
1919 | (future (* 1.0 message-expires 60 60 24))) | |
1920 | ;; Add the future to current. | |
1921 | (setcar current (+ (car current) (round (/ future (expt 2 16))))) | |
1922 | (setcar (cdr current) (+ (nth 1 current) (% (round future) (expt 2 16)))) | |
1923 | ;; Return the date in the future in UT. | |
1924 | (timezone-make-date-arpa-standard | |
1925 | (current-time-string current) (current-time-zone current) '(0 "UT")))) | |
1926 | ||
1927 | (defun message-make-path () | |
1928 | "Return uucp path." | |
1929 | (let ((login-name (user-login-name))) | |
1930 | (cond ((null message-user-path) | |
1931 | (concat (system-name) "!" login-name)) | |
1932 | ((stringp message-user-path) | |
1933 | ;; Support GENERICPATH. Suggested by vixie@decwrl.dec.com. | |
1934 | (concat message-user-path "!" login-name)) | |
1935 | (t login-name)))) | |
1936 | ||
1937 | (defun message-make-from () | |
1938 | "Make a From header." | |
1939 | (let* ((login (message-make-address)) | |
1940 | (fullname | |
1941 | (or (and (boundp 'user-full-name) | |
1942 | user-full-name) | |
1943 | (user-full-name)))) | |
1944 | (when (string= fullname "&") | |
1945 | (setq fullname (user-login-name))) | |
1946 | (save-excursion | |
1947 | (message-set-work-buffer) | |
1948 | (cond | |
1949 | ((or (null message-from-style) | |
1950 | (equal fullname "")) | |
1951 | (insert login)) | |
1952 | ((or (eq message-from-style 'angles) | |
1953 | (and (not (eq message-from-style 'parens)) | |
1954 | ;; Use angles if no quoting is needed, or if parens would | |
1955 | ;; need quoting too. | |
1956 | (or (not (string-match "[^- !#-'*+/-9=?A-Z^-~]" fullname)) | |
1957 | (let ((tmp (concat fullname nil))) | |
1958 | (while (string-match "([^()]*)" tmp) | |
1959 | (aset tmp (match-beginning 0) ?-) | |
1960 | (aset tmp (1- (match-end 0)) ?-)) | |
1961 | (string-match "[\\()]" tmp))))) | |
1962 | (insert fullname) | |
1963 | (goto-char (point-min)) | |
1964 | ;; Look for a character that cannot appear unquoted | |
1965 | ;; according to RFC 822. | |
1966 | (when (re-search-forward "[^- !#-'*+/-9=?A-Z^-~]" nil 1) | |
1967 | ;; Quote fullname, escaping specials. | |
1968 | (goto-char (point-min)) | |
1969 | (insert "\"") | |
1970 | (while (re-search-forward "[\"\\]" nil 1) | |
1971 | (replace-match "\\\\\\&" t)) | |
1972 | (insert "\"")) | |
1973 | (insert " <" login ">")) | |
1974 | (t ; 'parens or default | |
1975 | (insert login " (") | |
1976 | (let ((fullname-start (point))) | |
1977 | (insert fullname) | |
1978 | (goto-char fullname-start) | |
1979 | ;; RFC 822 says \ and nonmatching parentheses | |
1980 | ;; must be escaped in comments. | |
1981 | ;; Escape every instance of ()\ ... | |
1982 | (while (re-search-forward "[()\\]" nil 1) | |
1983 | (replace-match "\\\\\\&" t)) | |
1984 | ;; ... then undo escaping of matching parentheses, | |
1985 | ;; including matching nested parentheses. | |
1986 | (goto-char fullname-start) | |
1987 | (while (re-search-forward | |
1988 | "\\(\\=\\|[^\\]\\(\\\\\\\\\\)*\\)\\\\(\\(\\([^\\]\\|\\\\\\\\\\)*\\)\\\\)" | |
1989 | nil 1) | |
1990 | (replace-match "\\1(\\3)" t) | |
1991 | (goto-char fullname-start))) | |
1992 | (insert ")"))) | |
1993 | (buffer-string)))) | |
1994 | ||
1995 | (defun message-make-sender () | |
1996 | "Return the \"real\" user address. | |
1997 | This function tries to ignore all user modifications, and | |
1998 | give as trustworthy answer as possible." | |
1999 | (concat (user-login-name) "@" (system-name))) | |
2000 | ||
2001 | (defun message-make-address () | |
2002 | "Make the address of the user." | |
2003 | (or (message-user-mail-address) | |
2004 | (concat (user-login-name) "@" (message-make-domain)))) | |
2005 | ||
2006 | (defun message-user-mail-address () | |
2007 | "Return the pertinent part of `user-mail-address'." | |
2008 | (when user-mail-address | |
2009 | (nth 1 (mail-extract-address-components user-mail-address)))) | |
2010 | ||
2011 | (defun message-make-fqdn () | |
2012 | "Return user's fully qualified domain name." | |
2013 | (let ((system-name (system-name)) | |
2014 | (user-mail (message-user-mail-address))) | |
2015 | (cond | |
2016 | ((string-match "[^.]\\.[^.]" system-name) | |
2017 | ;; `system-name' returned the right result. | |
2018 | system-name) | |
2019 | ;; Try `mail-host-address'. | |
2020 | ((and (boundp 'mail-host-address) | |
2021 | (stringp mail-host-address) | |
2022 | (string-match "\\." mail-host-address)) | |
2023 | mail-host-address) | |
2024 | ;; We try `user-mail-address' as a backup. | |
2025 | ((and (string-match "\\." user-mail) | |
2026 | (string-match "@\\(.*\\)\\'" user-mail)) | |
2027 | (match-string 1 user-mail)) | |
2028 | ;; Default to this bogus thing. | |
2029 | (t | |
2030 | (concat system-name ".i-have-a-misconfigured-system-so-shoot-me"))))) | |
2031 | ||
2032 | (defun message-make-host-name () | |
2033 | "Return the name of the host." | |
2034 | (let ((fqdn (message-make-fqdn))) | |
2035 | (string-match "^[^.]+\\." fqdn) | |
2036 | (substring fqdn 0 (1- (match-end 0))))) | |
2037 | ||
2038 | (defun message-make-domain () | |
2039 | "Return the domain name." | |
2040 | (or mail-host-address | |
2041 | (message-make-fqdn))) | |
2042 | ||
2043 | (defun message-generate-headers (headers) | |
2044 | "Prepare article HEADERS. | |
2045 | Headers already prepared in the buffer are not modified." | |
2046 | (save-restriction | |
2047 | (message-narrow-to-headers) | |
2048 | (let* ((Date (message-make-date)) | |
2049 | (Message-ID (message-make-message-id)) | |
2050 | (Organization (message-make-organization)) | |
2051 | (From (message-make-from)) | |
2052 | (Path (message-make-path)) | |
2053 | (Subject nil) | |
2054 | (Newsgroups nil) | |
2055 | (In-Reply-To (message-make-in-reply-to)) | |
2056 | (To nil) | |
2057 | (Distribution (message-make-distribution)) | |
2058 | (Lines (message-make-lines)) | |
2059 | (X-Newsreader message-newsreader) | |
2060 | (X-Mailer (and (not (message-fetch-field "X-Newsreader")) | |
2061 | message-mailer)) | |
2062 | (Expires (message-make-expires)) | |
2063 | (case-fold-search t) | |
2064 | header value elem) | |
2065 | ;; First we remove any old generated headers. | |
2066 | (let ((headers message-deletable-headers)) | |
2067 | (while headers | |
2068 | (goto-char (point-min)) | |
2069 | (and (re-search-forward | |
2070 | (concat "^" (symbol-name (car headers)) ": *") nil t) | |
2071 | (get-text-property (1+ (match-beginning 0)) 'message-deletable) | |
2072 | (message-delete-line)) | |
2073 | (pop headers))) | |
2074 | ;; Go through all the required headers and see if they are in the | |
2075 | ;; articles already. If they are not, or are empty, they are | |
2076 | ;; inserted automatically - except for Subject, Newsgroups and | |
2077 | ;; Distribution. | |
2078 | (while headers | |
2079 | (goto-char (point-min)) | |
2080 | (setq elem (pop headers)) | |
2081 | (if (consp elem) | |
2082 | (if (eq (car elem) 'optional) | |
2083 | (setq header (cdr elem)) | |
2084 | (setq header (car elem))) | |
2085 | (setq header elem)) | |
2086 | (when (or (not (re-search-forward | |
2087 | (concat "^" (downcase (symbol-name header)) ":") | |
2088 | nil t)) | |
2089 | (progn | |
2090 | ;; The header was found. We insert a space after the | |
2091 | ;; colon, if there is none. | |
2092 | (if (/= (following-char) ? ) (insert " ") (forward-char 1)) | |
2093 | ;; Find out whether the header is empty... | |
2094 | (looking-at "[ \t]*$"))) | |
2095 | ;; So we find out what value we should insert. | |
2096 | (setq value | |
2097 | (cond | |
2098 | ((and (consp elem) (eq (car elem) 'optional)) | |
2099 | ;; This is an optional header. If the cdr of this | |
2100 | ;; is something that is nil, then we do not insert | |
2101 | ;; this header. | |
2102 | (setq header (cdr elem)) | |
2103 | (or (and (fboundp (cdr elem)) (funcall (cdr elem))) | |
2104 | (and (boundp (cdr elem)) (symbol-value (cdr elem))))) | |
2105 | ((consp elem) | |
2106 | ;; The element is a cons. Either the cdr is a | |
2107 | ;; string to be inserted verbatim, or it is a | |
2108 | ;; function, and we insert the value returned from | |
2109 | ;; this function. | |
2110 | (or (and (stringp (cdr elem)) (cdr elem)) | |
2111 | (and (fboundp (cdr elem)) (funcall (cdr elem))))) | |
2112 | ((and (boundp header) (symbol-value header)) | |
2113 | ;; The element is a symbol. We insert the value | |
2114 | ;; of this symbol, if any. | |
2115 | (symbol-value header)) | |
2116 | (t | |
2117 | ;; We couldn't generate a value for this header, | |
2118 | ;; so we just ask the user. | |
2119 | (read-from-minibuffer | |
2120 | (format "Empty header for %s; enter value: " header))))) | |
2121 | ;; Finally insert the header. | |
2122 | (when (and value | |
2123 | (not (equal value ""))) | |
2124 | (save-excursion | |
2125 | (if (bolp) | |
2126 | (progn | |
2127 | ;; This header didn't exist, so we insert it. | |
2128 | (goto-char (point-max)) | |
2129 | (insert (symbol-name header) ": " value "\n") | |
2130 | (forward-line -1)) | |
2131 | ;; The value of this header was empty, so we clear | |
2132 | ;; totally and insert the new value. | |
2133 | (delete-region (point) (message-point-at-eol)) | |
2134 | (insert value)) | |
2135 | ;; Add the deletable property to the headers that require it. | |
2136 | (and (memq header message-deletable-headers) | |
2137 | (progn (beginning-of-line) (looking-at "[^:]+: ")) | |
2138 | (add-text-properties | |
2139 | (point) (match-end 0) | |
2140 | '(message-deletable t face italic) (current-buffer))))))) | |
2141 | ;; Insert new Sender if the From is strange. | |
2142 | (let ((from (message-fetch-field "from")) | |
2143 | (sender (message-fetch-field "sender")) | |
2144 | (secure-sender (message-make-sender))) | |
2145 | (when (and from | |
2146 | (not (message-check-element 'sender)) | |
2147 | (not (string= | |
2148 | (downcase | |
2149 | (cadr (mail-extract-address-components from))) | |
2150 | (downcase secure-sender))) | |
2151 | (or (null sender) | |
2152 | (not | |
2153 | (string= | |
2154 | (downcase | |
2155 | (cadr (mail-extract-address-components sender))) | |
2156 | (downcase secure-sender))))) | |
2157 | (goto-char (point-min)) | |
2158 | ;; Rename any old Sender headers to Original-Sender. | |
2159 | (when (re-search-forward "^Sender:" nil t) | |
2160 | (beginning-of-line) | |
2161 | (insert "Original-") | |
2162 | (beginning-of-line)) | |
2163 | (insert "Sender: " secure-sender "\n")))))) | |
2164 | ||
2165 | (defun message-insert-courtesy-copy () | |
2166 | "Insert a courtesy message in mail copies of combined messages." | |
2167 | (save-excursion | |
2168 | (save-restriction | |
2169 | (message-narrow-to-headers) | |
2170 | (let ((newsgroups (message-fetch-field "newsgroups"))) | |
2171 | (when newsgroups | |
2172 | (goto-char (point-max)) | |
2173 | (insert "Posted-To: " newsgroups "\n")))) | |
2174 | (forward-line 1) | |
2175 | (insert message-courtesy-message))) | |
2176 | ||
2177 | ;;; | |
2178 | ;;; Setting up a message buffer | |
2179 | ;;; | |
2180 | ||
2181 | (defun message-fill-address (header value) | |
2182 | (save-restriction | |
2183 | (narrow-to-region (point) (point)) | |
2184 | (insert (capitalize (symbol-name header)) | |
2185 | ": " | |
2186 | (if (consp value) (car value) value) | |
2187 | "\n") | |
2188 | (narrow-to-region (point-min) (1- (point-max))) | |
2189 | (let (quoted last) | |
2190 | (goto-char (point-min)) | |
2191 | (while (not (eobp)) | |
2192 | (skip-chars-forward "^,\"" (point-max)) | |
2193 | (if (or (= (following-char) ?,) | |
2194 | (eobp)) | |
2195 | (when (not quoted) | |
2196 | (if (and (> (current-column) 78) | |
2197 | last) | |
2198 | (progn | |
2199 | (save-excursion | |
2200 | (goto-char last) | |
2201 | (insert "\n\t")) | |
2202 | (setq last (1+ (point)))) | |
2203 | (setq last (1+ (point))))) | |
2204 | (setq quoted (not quoted))) | |
2205 | (unless (eobp) | |
2206 | (forward-char 1)))) | |
2207 | (goto-char (point-max)) | |
2208 | (widen) | |
2209 | (forward-line 1))) | |
2210 | ||
2211 | (defun message-fill-header (header value) | |
2212 | (let ((begin (point)) | |
2213 | (fill-column 78) | |
2214 | (fill-prefix "\t")) | |
2215 | (insert (capitalize (symbol-name header)) | |
2216 | ": " | |
2217 | (if (consp value) (car value) value) | |
2218 | "\n") | |
2219 | (save-restriction | |
2220 | (narrow-to-region begin (point)) | |
2221 | (fill-region-as-paragraph begin (point)) | |
2222 | ;; Tapdance around looong Message-IDs. | |
2223 | (forward-line -1) | |
2224 | (when (looking-at "[ \t]*$") | |
2225 | (message-delete-line)) | |
2226 | (goto-char begin) | |
2227 | (re-search-forward ":" nil t) | |
2228 | (when (looking-at "\n[ \t]+") | |
2229 | (replace-match " " t t)) | |
2230 | (goto-char (point-max))))) | |
2231 | ||
2232 | (defun message-position-point () | |
2233 | "Move point to where the user probably wants to find it." | |
2234 | (message-narrow-to-headers) | |
2235 | (cond | |
2236 | ((re-search-forward "^[^:]+:[ \t]*$" nil t) | |
2237 | (search-backward ":" ) | |
2238 | (widen) | |
2239 | (forward-char 1) | |
2240 | (if (= (following-char) ? ) | |
2241 | (forward-char 1) | |
2242 | (insert " "))) | |
2243 | (t | |
2244 | (goto-char (point-max)) | |
2245 | (widen) | |
2246 | (forward-line 1) | |
2247 | (unless (looking-at "$") | |
2248 | (forward-line 2))) | |
2249 | (sit-for 0))) | |
2250 | ||
2251 | (defun message-buffer-name (type &optional to group) | |
2252 | "Return a new (unique) buffer name based on TYPE and TO." | |
2253 | (cond | |
2254 | ;; Check whether `message-generate-new-buffers' is a function, | |
2255 | ;; and if so, call it. | |
2256 | ((message-functionp message-generate-new-buffers) | |
2257 | (funcall message-generate-new-buffers type to group)) | |
2258 | ;; Generate a new buffer name The Message Way. | |
2259 | (message-generate-new-buffers | |
2260 | (generate-new-buffer-name | |
2261 | (concat "*" type | |
2262 | (if to | |
2263 | (concat " to " | |
2264 | (or (car (mail-extract-address-components to)) | |
2265 | to) "") | |
2266 | "") | |
2267 | (if (and group (not (string= group ""))) (concat " on " group) "") | |
2268 | "*"))) | |
2269 | ;; Use standard name. | |
2270 | (t | |
2271 | (format "*%s message*" type)))) | |
2272 | ||
2273 | (defun message-pop-to-buffer (name) | |
2274 | "Pop to buffer NAME, and warn if it already exists and is modified." | |
2275 | (let ((buffer (get-buffer name))) | |
2276 | (if (and buffer | |
2277 | (buffer-name buffer)) | |
2278 | (progn | |
2279 | (set-buffer (pop-to-buffer buffer)) | |
2280 | (when (and (buffer-modified-p) | |
2281 | (not (y-or-n-p | |
2282 | "Message already being composed; erase? "))) | |
2283 | (error "Message being composed"))) | |
2284 | (set-buffer (pop-to-buffer name)))) | |
2285 | (erase-buffer) | |
2286 | (message-mode)) | |
2287 | ||
2288 | (defun message-do-send-housekeeping () | |
2289 | "Kill old message buffers." | |
2290 | ;; We might have sent this buffer already. Delete it from the | |
2291 | ;; list of buffers. | |
2292 | (setq message-buffer-list (delq (current-buffer) message-buffer-list)) | |
2293 | (when (and message-max-buffers | |
2294 | (>= (length message-buffer-list) message-max-buffers)) | |
2295 | ;; Kill the oldest buffer -- unless it has been changed. | |
2296 | (let ((buffer (pop message-buffer-list))) | |
2297 | (when (and (buffer-name buffer) | |
2298 | (not (buffer-modified-p buffer))) | |
2299 | (kill-buffer buffer)))) | |
2300 | ;; Rename the buffer. | |
2301 | (if message-send-rename-function | |
2302 | (funcall message-send-rename-function) | |
2303 | (when (string-match "\\`\\*" (buffer-name)) | |
2304 | (rename-buffer | |
2305 | (concat "*sent " (substring (buffer-name) (match-end 0))) t))) | |
2306 | ;; Push the current buffer onto the list. | |
2307 | (when message-max-buffers | |
2308 | (setq message-buffer-list | |
2309 | (nconc message-buffer-list (list (current-buffer)))))) | |
2310 | ||
2311 | (defvar mc-modes-alist) | |
2312 | (defun message-setup (headers &optional replybuffer actions) | |
2313 | (when (and (boundp 'mc-modes-alist) | |
2314 | (not (assq 'message-mode mc-modes-alist))) | |
2315 | (push '(message-mode (encrypt . mc-encrypt-message) | |
2316 | (sign . mc-sign-message)) | |
2317 | mc-modes-alist)) | |
2318 | (when actions | |
2319 | (setq message-send-actions actions)) | |
2320 | (setq message-reply-buffer replybuffer) | |
2321 | (goto-char (point-min)) | |
2322 | ;; Insert all the headers. | |
2323 | (mail-header-format | |
2324 | (let ((h headers) | |
2325 | (alist message-header-format-alist)) | |
2326 | (while h | |
2327 | (unless (assq (caar h) message-header-format-alist) | |
2328 | (push (list (caar h)) alist)) | |
2329 | (pop h)) | |
2330 | alist) | |
2331 | headers) | |
2332 | (delete-region (point) (progn (forward-line -1) (point))) | |
2333 | (when message-default-headers | |
2334 | (insert message-default-headers)) | |
2335 | (put-text-property | |
2336 | (point) | |
2337 | (progn | |
2338 | (insert mail-header-separator "\n") | |
2339 | (1- (point))) | |
2340 | 'read-only nil) | |
2341 | (forward-line -1) | |
2342 | (when (message-news-p) | |
2343 | (when message-default-news-headers | |
2344 | (insert message-default-news-headers)) | |
2345 | (when message-generate-headers-first | |
2346 | (message-generate-headers | |
2347 | (delq 'Lines | |
2348 | (delq 'Subject | |
2349 | (copy-sequence message-required-news-headers)))))) | |
2350 | (when (message-mail-p) | |
2351 | (when message-default-mail-headers | |
2352 | (insert message-default-mail-headers)) | |
2353 | (when message-generate-headers-first | |
2354 | (message-generate-headers | |
2355 | (delq 'Lines | |
2356 | (delq 'Subject | |
2357 | (copy-sequence message-required-mail-headers)))))) | |
2358 | (run-hooks 'message-signature-setup-hook) | |
2359 | (message-insert-signature) | |
2360 | (message-set-auto-save-file-name) | |
2361 | (save-restriction | |
2362 | (message-narrow-to-headers) | |
2363 | (run-hooks 'message-header-setup-hook)) | |
2364 | (set-buffer-modified-p nil) | |
2365 | (run-hooks 'message-setup-hook) | |
2366 | (message-position-point) | |
2367 | (undo-boundary)) | |
2368 | ||
2369 | (defun message-set-auto-save-file-name () | |
2370 | "Associate the message buffer with a file in the drafts directory." | |
2371 | (when message-autosave-directory | |
2372 | (unless (file-exists-p message-autosave-directory) | |
2373 | (make-directory message-autosave-directory t)) | |
2374 | (let ((name (make-temp-name | |
2375 | (concat (file-name-as-directory message-autosave-directory) | |
2376 | "msg.")))) | |
2377 | (setq buffer-auto-save-file-name | |
2378 | (save-excursion | |
2379 | (prog1 | |
2380 | (progn | |
2381 | (set-buffer (get-buffer-create " *draft tmp*")) | |
2382 | (setq buffer-file-name name) | |
2383 | (make-auto-save-file-name)) | |
2384 | (kill-buffer (current-buffer))))) | |
2385 | (clear-visited-file-modtime)))) | |
2386 | ||
2387 | \f | |
2388 | ||
2389 | ;;; | |
2390 | ;;; Commands for interfacing with message | |
2391 | ;;; | |
2392 | ||
2393 | ;;;###autoload | |
2394 | (defun message-mail (&optional to subject) | |
2395 | "Start editing a mail message to be sent." | |
2396 | (interactive) | |
2397 | (message-pop-to-buffer (message-buffer-name "mail" to)) | |
2398 | (message-setup `((To . ,(or to "")) (Subject . ,(or subject ""))))) | |
2399 | ||
2400 | ;;;###autoload | |
2401 | (defun message-news (&optional newsgroups subject) | |
2402 | "Start editing a news article to be sent." | |
2403 | (interactive) | |
2404 | (message-pop-to-buffer (message-buffer-name "news" nil newsgroups)) | |
2405 | (message-setup `((Newsgroups . ,(or newsgroups "")) | |
2406 | (Subject . ,(or subject ""))))) | |
2407 | ||
2408 | ;;;###autoload | |
2409 | (defun message-reply (&optional to-address wide ignore-reply-to) | |
2410 | "Start editing a reply to the article in the current buffer." | |
2411 | (interactive) | |
2412 | (let ((cur (current-buffer)) | |
2413 | from subject date reply-to to cc | |
2414 | references message-id follow-to | |
2415 | mct never-mct gnus-warning) | |
2416 | (save-restriction | |
2417 | (narrow-to-region | |
2418 | (goto-char (point-min)) | |
2419 | (if (search-forward "\n\n" nil t) | |
2420 | (1- (point)) | |
2421 | (point-max))) | |
2422 | ;; Allow customizations to have their say. | |
2423 | (if (not wide) | |
2424 | ;; This is a regular reply. | |
2425 | (if (message-functionp message-reply-to-function) | |
2426 | (setq follow-to (funcall message-reply-to-function))) | |
2427 | ;; This is a followup. | |
2428 | (if (message-functionp message-wide-reply-to-function) | |
2429 | (save-excursion | |
2430 | (setq follow-to | |
2431 | (funcall message-wide-reply-to-function))))) | |
2432 | ;; Find all relevant headers we need. | |
2433 | (setq from (message-fetch-field "from") | |
2434 | date (message-fetch-field "date") | |
2435 | subject (or (message-fetch-field "subject") "none") | |
2436 | to (message-fetch-field "to") | |
2437 | cc (message-fetch-field "cc") | |
2438 | mct (message-fetch-field "mail-copies-to") | |
2439 | reply-to (unless ignore-reply-to (message-fetch-field "reply-to")) | |
2440 | references (message-fetch-field "references") | |
2441 | message-id (message-fetch-field "message-id")) | |
2442 | ;; Remove any (buggy) Re:'s that are present and make a | |
2443 | ;; proper one. | |
2444 | (when (string-match "^[ \t]*[Rr][Ee]:[ \t]*" subject) | |
2445 | (setq subject (substring subject (match-end 0)))) | |
2446 | (setq subject (concat "Re: " subject)) | |
2447 | ||
2448 | (when (and (setq gnus-warning (message-fetch-field "gnus-warning")) | |
2449 | (string-match "<[^>]+>" gnus-warning)) | |
2450 | (setq message-id (match-string 0 gnus-warning))) | |
2451 | ||
2452 | ;; Handle special values of Mail-Copies-To. | |
2453 | (when mct | |
2454 | (cond ((equal (downcase mct) "never") | |
2455 | (setq never-mct t) | |
2456 | (setq mct nil)) | |
2457 | ((equal (downcase mct) "always") | |
2458 | (setq mct (or reply-to from))))) | |
2459 | ||
2460 | (unless follow-to | |
2461 | (if (or (not wide) | |
2462 | to-address) | |
2463 | (setq follow-to (list (cons 'To (or to-address reply-to from)))) | |
2464 | (let (ccalist) | |
2465 | (save-excursion | |
2466 | (message-set-work-buffer) | |
2467 | (unless never-mct | |
2468 | (insert (or reply-to from ""))) | |
2469 | (insert | |
2470 | (if (bolp) "" ", ") (or to "") | |
2471 | (if mct (concat (if (bolp) "" ", ") mct) "") | |
2472 | (if cc (concat (if (bolp) "" ", ") cc) "")) | |
2473 | ;; Remove addresses that match `rmail-dont-reply-to-names'. | |
2474 | (insert (prog1 (rmail-dont-reply-to (buffer-string)) | |
2475 | (erase-buffer))) | |
2476 | (goto-char (point-min)) | |
2477 | (setq ccalist | |
2478 | (mapcar | |
2479 | (lambda (addr) | |
2480 | (cons (mail-strip-quoted-names addr) addr)) | |
2481 | (nreverse (mail-parse-comma-list)))) | |
2482 | (let ((s ccalist)) | |
2483 | (while s | |
2484 | (setq ccalist (delq (assoc (car (pop s)) s) ccalist))))) | |
2485 | (setq follow-to (list (cons 'To (cdr (pop ccalist))))) | |
2486 | (when ccalist | |
2487 | (push (cons 'Cc | |
2488 | (mapconcat (lambda (addr) (cdr addr)) ccalist ", ")) | |
2489 | follow-to))))) | |
2490 | (widen)) | |
2491 | ||
2492 | (message-pop-to-buffer (message-buffer-name "reply" from)) | |
2493 | ||
2494 | (setq message-reply-headers | |
2495 | (vector 0 subject from date message-id references 0 0 "")) | |
2496 | ||
2497 | (message-setup | |
2498 | `((Subject . ,subject) | |
2499 | ,@follow-to | |
2500 | ,@(if (or references message-id) | |
2501 | `((References . ,(concat (or references "") (and references " ") | |
2502 | (or message-id "")))) | |
2503 | nil)) | |
2504 | cur))) | |
2505 | ||
2506 | ;;;###autoload | |
2507 | (defun message-wide-reply (&optional to-address) | |
2508 | (interactive) | |
2509 | (message-reply to-address t)) | |
2510 | ||
2511 | ;;;###autoload | |
2512 | (defun message-followup () | |
2513 | (interactive) | |
2514 | (let ((cur (current-buffer)) | |
2515 | from subject date reply-to mct | |
2516 | references message-id follow-to | |
2517 | followup-to distribution newsgroups gnus-warning) | |
2518 | (save-restriction | |
2519 | (narrow-to-region | |
2520 | (goto-char (point-min)) | |
2521 | (if (search-forward "\n\n" nil t) | |
2522 | (1- (point)) | |
2523 | (point-max))) | |
2524 | (when (message-functionp message-followup-to-function) | |
2525 | (setq follow-to | |
2526 | (funcall message-followup-to-function))) | |
2527 | (setq from (message-fetch-field "from") | |
2528 | date (message-fetch-field "date") | |
2529 | subject (or (message-fetch-field "subject") "none") | |
2530 | references (message-fetch-field "references") | |
2531 | message-id (message-fetch-field "message-id") | |
2532 | followup-to (message-fetch-field "followup-to") | |
2533 | newsgroups (message-fetch-field "newsgroups") | |
2534 | reply-to (message-fetch-field "reply-to") | |
2535 | distribution (message-fetch-field "distribution") | |
2536 | mct (message-fetch-field "mail-copies-to")) | |
2537 | (when (and (setq gnus-warning (message-fetch-field "gnus-warning")) | |
2538 | (string-match "<[^>]+>" gnus-warning)) | |
2539 | (setq message-id (match-string 0 gnus-warning))) | |
2540 | ;; Remove bogus distribution. | |
2541 | (and (stringp distribution) | |
2542 | (string-match "world" distribution) | |
2543 | (setq distribution nil)) | |
2544 | ;; Remove any (buggy) Re:'s that are present and make a | |
2545 | ;; proper one. | |
2546 | (when (string-match "^[ \t]*[Rr][Ee]:[ \t]*" subject) | |
2547 | (setq subject (substring subject (match-end 0)))) | |
2548 | (setq subject (concat "Re: " subject)) | |
2549 | (widen)) | |
2550 | ||
2551 | (message-pop-to-buffer (message-buffer-name "followup" from newsgroups)) | |
2552 | ||
2553 | (message-setup | |
2554 | `((Subject . ,subject) | |
2555 | ,@(cond | |
2556 | (follow-to follow-to) | |
2557 | ((and followup-to message-use-followup-to) | |
2558 | (list | |
2559 | (cond | |
2560 | ((equal (downcase followup-to) "poster") | |
2561 | (if (or (eq message-use-followup-to 'use) | |
2562 | (message-y-or-n-p "Obey Followup-To: poster? " t "\ | |
2563 | You should normally obey the Followup-To: header. | |
2564 | ||
2565 | `Followup-To: poster' sends your response via e-mail instead of news. | |
2566 | ||
2567 | A typical situation where `Followup-To: poster' is used is when the poster | |
2568 | does not read the newsgroup, so he wouldn't see any replies sent to it.")) | |
2569 | (cons 'To (or reply-to from "")) | |
2570 | (cons 'Newsgroups newsgroups))) | |
2571 | (t | |
2572 | (if (or (equal followup-to newsgroups) | |
2573 | (not (eq message-use-followup-to 'ask)) | |
2574 | (message-y-or-n-p | |
2575 | (concat "Obey Followup-To: " followup-to "? ") t "\ | |
2576 | You should normally obey the Followup-To: header. | |
2577 | ||
2578 | `Followup-To: " followup-to "' | |
2579 | directs your response to " (if (string-match "," followup-to) | |
2580 | "the specified newsgroups" | |
2581 | "that newsgroup only") ". | |
2582 | ||
2583 | If a message is posted to several newsgroups, Followup-To is often | |
2584 | used to direct the following discussion to one newsgroup only, | |
2585 | because discussions that are spread over several newsgroup tend to | |
2586 | be fragmented and very difficult to follow. | |
2587 | ||
2588 | Also, some source/announcment newsgroups are not indented for discussion; | |
2589 | responses here are directed to other newsgroups.")) | |
2590 | (cons 'Newsgroups followup-to) | |
2591 | (cons 'Newsgroups newsgroups)))))) | |
2592 | (t | |
2593 | `((Newsgroups . ,newsgroups)))) | |
2594 | ,@(and distribution (list (cons 'Distribution distribution))) | |
2595 | (References . ,(concat (or references "") (and references " ") | |
2596 | (or message-id ""))) | |
2597 | ,@(when (and mct | |
2598 | (not (equal (downcase mct) "never"))) | |
2599 | (list (cons 'Cc (if (equal (downcase mct) "always") | |
2600 | (or reply-to from "") | |
2601 | mct))))) | |
2602 | ||
2603 | cur) | |
2604 | ||
2605 | (setq message-reply-headers | |
2606 | (vector 0 subject from date message-id references 0 0 "")))) | |
2607 | ||
2608 | ||
2609 | ;;;###autoload | |
2610 | (defun message-cancel-news () | |
2611 | "Cancel an article you posted." | |
2612 | (interactive) | |
2613 | (unless (message-news-p) | |
2614 | (error "This is not a news article; canceling is impossible")) | |
2615 | (when (yes-or-no-p "Do you really want to cancel this article? ") | |
2616 | (let (from newsgroups message-id distribution buf) | |
2617 | (save-excursion | |
2618 | ;; Get header info. from original article. | |
2619 | (save-restriction | |
2620 | (message-narrow-to-head) | |
2621 | (setq from (message-fetch-field "from") | |
2622 | newsgroups (message-fetch-field "newsgroups") | |
2623 | message-id (message-fetch-field "message-id") | |
2624 | distribution (message-fetch-field "distribution"))) | |
2625 | ;; Make sure that this article was written by the user. | |
2626 | (unless (string-equal | |
2627 | (downcase (cadr (mail-extract-address-components from))) | |
2628 | (downcase (message-make-address))) | |
2629 | (error "This article is not yours")) | |
2630 | ;; Make control message. | |
2631 | (setq buf (set-buffer (get-buffer-create " *message cancel*"))) | |
2632 | (buffer-disable-undo (current-buffer)) | |
2633 | (erase-buffer) | |
2634 | (insert "Newsgroups: " newsgroups "\n" | |
2635 | "From: " (message-make-from) "\n" | |
2636 | "Subject: cmsg cancel " message-id "\n" | |
2637 | "Control: cancel " message-id "\n" | |
2638 | (if distribution | |
2639 | (concat "Distribution: " distribution "\n") | |
2640 | "") | |
2641 | mail-header-separator "\n" | |
2642 | "This is a cancel message from " from ".\n") | |
2643 | (message "Canceling your article...") | |
2644 | (let ((message-syntax-checks 'dont-check-for-anything-just-trust-me)) | |
2645 | (funcall message-send-news-function)) | |
2646 | (message "Canceling your article...done") | |
2647 | (kill-buffer buf))))) | |
2648 | ||
2649 | ;;;###autoload | |
2650 | (defun message-supersede () | |
2651 | "Start composing a message to supersede the current message. | |
2652 | This is done simply by taking the old article and adding a Supersedes | |
2653 | header line with the old Message-ID." | |
2654 | (interactive) | |
2655 | (let ((cur (current-buffer))) | |
2656 | ;; Check whether the user owns the article that is to be superseded. | |
2657 | (unless (string-equal | |
2658 | (downcase (cadr (mail-extract-address-components | |
2659 | (message-fetch-field "from")))) | |
2660 | (downcase (message-make-address))) | |
2661 | (error "This article is not yours")) | |
2662 | ;; Get a normal message buffer. | |
2663 | (message-pop-to-buffer (message-buffer-name "supersede")) | |
2664 | (insert-buffer-substring cur) | |
2665 | (message-narrow-to-head) | |
2666 | ;; Remove unwanted headers. | |
2667 | (when message-ignored-supersedes-headers | |
2668 | (message-remove-header message-ignored-supersedes-headers t)) | |
2669 | (goto-char (point-min)) | |
2670 | (if (not (re-search-forward "^Message-ID: " nil t)) | |
2671 | (error "No Message-ID in this article") | |
2672 | (replace-match "Supersedes: " t t)) | |
2673 | (goto-char (point-max)) | |
2674 | (insert mail-header-separator) | |
2675 | (widen) | |
2676 | (forward-line 1))) | |
2677 | ||
2678 | ;;;###autoload | |
2679 | (defun message-recover () | |
2680 | "Reread contents of current buffer from its last auto-save file." | |
2681 | (interactive) | |
2682 | (let ((file-name (make-auto-save-file-name))) | |
2683 | (cond ((save-window-excursion | |
2684 | (if (not (eq system-type 'vax-vms)) | |
2685 | (with-output-to-temp-buffer "*Directory*" | |
2686 | (buffer-disable-undo standard-output) | |
2687 | (let ((default-directory "/")) | |
2688 | (call-process | |
2689 | "ls" nil standard-output nil "-l" file-name)))) | |
2690 | (yes-or-no-p (format "Recover auto save file %s? " file-name))) | |
2691 | (let ((buffer-read-only nil)) | |
2692 | (erase-buffer) | |
2693 | (insert-file-contents file-name nil))) | |
2694 | (t (error "message-recover cancelled"))))) | |
2695 | ||
2696 | ;;; Forwarding messages. | |
2697 | ||
2698 | (defun message-make-forward-subject () | |
2699 | "Return a Subject header suitable for the message in the current buffer." | |
2700 | (concat "[" (or (message-fetch-field (if (message-news-p) "newsgroups" "from")) | |
2701 | "(nowhere)") | |
2702 | "] " (or (message-fetch-field "Subject") ""))) | |
2703 | ||
2704 | ;;;###autoload | |
2705 | (defun message-forward (&optional news) | |
2706 | "Forward the current message via mail. | |
2707 | Optional NEWS will use news to forward instead of mail." | |
2708 | (interactive "P") | |
2709 | (let ((cur (current-buffer)) | |
2710 | (subject (message-make-forward-subject))) | |
2711 | (if news (message-news nil subject) (message-mail nil subject)) | |
2712 | ;; Put point where we want it before inserting the forwarded | |
2713 | ;; message. | |
2714 | (if message-signature-before-forwarded-message | |
2715 | (goto-char (point-max)) | |
2716 | (message-goto-body)) | |
2717 | ;; Make sure we're at the start of the line. | |
2718 | (unless (eolp) | |
2719 | (insert "\n")) | |
2720 | ;; Narrow to the area we are to insert. | |
2721 | (narrow-to-region (point) (point)) | |
2722 | ;; Insert the separators and the forwarded buffer. | |
2723 | (insert message-forward-start-separator) | |
2724 | (insert-buffer-substring cur) | |
2725 | (goto-char (point-max)) | |
2726 | (insert message-forward-end-separator) | |
2727 | (set-text-properties (point-min) (point-max) nil) | |
2728 | ;; Remove all unwanted headers. | |
2729 | (goto-char (point-min)) | |
2730 | (forward-line 1) | |
2731 | (narrow-to-region (point) (if (search-forward "\n\n" nil t) | |
2732 | (1- (point)) | |
2733 | (point))) | |
2734 | (goto-char (point-min)) | |
2735 | (message-remove-header message-included-forward-headers t nil t) | |
2736 | (widen) | |
2737 | (message-position-point))) | |
2738 | ||
2739 | ;;;###autoload | |
2740 | (defun message-resend (address) | |
2741 | "Resend the current article to ADDRESS." | |
2742 | (interactive "sResend message to: ") | |
2743 | (save-excursion | |
2744 | (let ((cur (current-buffer)) | |
2745 | beg) | |
2746 | ;; We first set up a normal mail buffer. | |
2747 | (set-buffer (get-buffer-create " *message resend*")) | |
2748 | (buffer-disable-undo (current-buffer)) | |
2749 | (erase-buffer) | |
2750 | (message-setup `((To . ,address))) | |
2751 | ;; Insert our usual headers. | |
2752 | (message-generate-headers '(From Date To)) | |
2753 | (message-narrow-to-headers) | |
2754 | ;; Rename them all to "Resent-*". | |
2755 | (while (re-search-forward "^[A-Za-z]" nil t) | |
2756 | (forward-char -1) | |
2757 | (insert "Resent-")) | |
2758 | (widen) | |
2759 | (forward-line) | |
2760 | (delete-region (point) (point-max)) | |
2761 | (setq beg (point)) | |
2762 | ;; Insert the message to be resent. | |
2763 | (insert-buffer-substring cur) | |
2764 | (goto-char (point-min)) | |
2765 | (search-forward "\n\n") | |
2766 | (forward-char -1) | |
2767 | (save-restriction | |
2768 | (narrow-to-region beg (point)) | |
2769 | (message-remove-header message-ignored-resent-headers t) | |
2770 | (goto-char (point-max))) | |
2771 | (insert mail-header-separator) | |
2772 | ;; Rename all old ("Also-")Resent headers. | |
2773 | (while (re-search-backward "^\\(Also-\\)?Resent-" beg t) | |
2774 | (beginning-of-line) | |
2775 | (insert "Also-")) | |
2776 | ;; Send it. | |
2777 | (message-send-mail) | |
2778 | (kill-buffer (current-buffer))))) | |
2779 | ||
2780 | ;;;###autoload | |
2781 | (defun message-bounce () | |
2782 | "Re-mail the current message. | |
2783 | This only makes sense if the current message is a bounce message than | |
2784 | contains some mail you have written which has been bounced back to | |
2785 | you." | |
2786 | (interactive) | |
2787 | (let ((cur (current-buffer)) | |
2788 | boundary) | |
2789 | (message-pop-to-buffer (message-buffer-name "bounce")) | |
2790 | (insert-buffer-substring cur) | |
2791 | (undo-boundary) | |
2792 | (message-narrow-to-head) | |
2793 | (if (and (message-fetch-field "Mime-Version") | |
2794 | (setq boundary (message-fetch-field "Content-Type"))) | |
2795 | (if (string-match "boundary=\"\\([^\"]+\\)\"" boundary) | |
2796 | (setq boundary (concat (match-string 1 boundary) " *\n" | |
2797 | "Content-Type: message/rfc822")) | |
2798 | (setq boundary nil))) | |
2799 | (widen) | |
2800 | (goto-char (point-min)) | |
2801 | (search-forward "\n\n" nil t) | |
2802 | (or (and boundary | |
2803 | (re-search-forward boundary nil t) | |
2804 | (forward-line 2)) | |
2805 | (and (re-search-forward message-unsent-separator nil t) | |
2806 | (forward-line 1)) | |
2807 | (and (search-forward "\n\n" nil t) | |
2808 | (re-search-forward "^Return-Path:.*\n" nil t))) | |
2809 | ;; We remove everything before the bounced mail. | |
2810 | (delete-region | |
2811 | (point-min) | |
2812 | (if (re-search-forward "^[^ \n\t]+:" nil t) | |
2813 | (match-beginning 0) | |
2814 | (point))) | |
2815 | (save-restriction | |
2816 | (message-narrow-to-head) | |
2817 | (message-remove-header message-ignored-bounced-headers t) | |
2818 | (goto-char (point-max)) | |
2819 | (insert mail-header-separator)) | |
2820 | (message-position-point))) | |
2821 | ||
2822 | ;;; | |
2823 | ;;; Interactive entry points for new message buffers. | |
2824 | ;;; | |
2825 | ||
2826 | ;;;###autoload | |
2827 | (defun message-mail-other-window (&optional to subject) | |
2828 | "Like `message-mail' command, but display mail buffer in another window." | |
2829 | (interactive) | |
2830 | (let ((pop-up-windows t) | |
2831 | (special-display-buffer-names nil) | |
2832 | (special-display-regexps nil) | |
2833 | (same-window-buffer-names nil) | |
2834 | (same-window-regexps nil)) | |
2835 | (message-pop-to-buffer (message-buffer-name "mail" to))) | |
2836 | (message-setup `((To . ,(or to "")) (Subject . ,(or subject ""))))) | |
2837 | ||
2838 | ;;;###autoload | |
2839 | (defun message-mail-other-frame (&optional to subject) | |
2840 | "Like `message-mail' command, but display mail buffer in another frame." | |
2841 | (interactive) | |
2842 | (let ((pop-up-frames t) | |
2843 | (special-display-buffer-names nil) | |
2844 | (special-display-regexps nil) | |
2845 | (same-window-buffer-names nil) | |
2846 | (same-window-regexps nil)) | |
2847 | (message-pop-to-buffer (message-buffer-name "mail" to))) | |
2848 | (message-setup `((To . ,(or to "")) (Subject . ,(or subject ""))))) | |
2849 | ||
2850 | ;;;###autoload | |
2851 | (defun message-news-other-window (&optional newsgroups subject) | |
2852 | "Start editing a news article to be sent." | |
2853 | (interactive) | |
2854 | (let ((pop-up-windows t) | |
2855 | (special-display-buffer-names nil) | |
2856 | (special-display-regexps nil) | |
2857 | (same-window-buffer-names nil) | |
2858 | (same-window-regexps nil)) | |
2859 | (message-pop-to-buffer (message-buffer-name "news" nil newsgroups))) | |
2860 | (message-setup `((Newsgroups . ,(or newsgroups "")) | |
2861 | (Subject . ,(or subject ""))))) | |
2862 | ||
2863 | ;;;###autoload | |
2864 | (defun message-news-other-frame (&optional newsgroups subject) | |
2865 | "Start editing a news article to be sent." | |
2866 | (interactive) | |
2867 | (let ((pop-up-frames t) | |
2868 | (special-display-buffer-names nil) | |
2869 | (special-display-regexps nil) | |
2870 | (same-window-buffer-names nil) | |
2871 | (same-window-regexps nil)) | |
2872 | (message-pop-to-buffer (message-buffer-name "news" nil newsgroups))) | |
2873 | (message-setup `((Newsgroups . ,(or newsgroups "")) | |
2874 | (Subject . ,(or subject ""))))) | |
2875 | ||
2876 | ;;; underline.el | |
2877 | ||
2878 | ;; This code should be moved to underline.el (from which it is stolen). | |
2879 | ||
2880 | ;;;###autoload | |
2881 | (defun bold-region (start end) | |
2882 | "Bold all nonblank characters in the region. | |
2883 | Works by overstriking characters. | |
2884 | Called from program, takes two arguments START and END | |
2885 | which specify the range to operate on." | |
2886 | (interactive "r") | |
2887 | (save-excursion | |
2888 | (let ((end1 (make-marker))) | |
2889 | (move-marker end1 (max start end)) | |
2890 | (goto-char (min start end)) | |
2891 | (while (< (point) end1) | |
2892 | (or (looking-at "[_\^@- ]") | |
2893 | (insert (following-char) "\b")) | |
2894 | (forward-char 1))))) | |
2895 | ||
2896 | ;;;###autoload | |
2897 | (defun unbold-region (start end) | |
2898 | "Remove all boldness (overstruck characters) in the region. | |
2899 | Called from program, takes two arguments START and END | |
2900 | which specify the range to operate on." | |
2901 | (interactive "r") | |
2902 | (save-excursion | |
2903 | (let ((end1 (make-marker))) | |
2904 | (move-marker end1 (max start end)) | |
2905 | (goto-char (min start end)) | |
2906 | (while (re-search-forward "\b" end1 t) | |
2907 | (if (eq (following-char) (char-after (- (point) 2))) | |
2908 | (delete-char -2)))))) | |
2909 | ||
2910 | (fset 'message-exchange-point-and-mark 'exchange-point-and-mark) | |
2911 | ||
2912 | ;; Support for toolbar | |
2913 | (when (string-match "XEmacs\\|Lucid" emacs-version) | |
2914 | (require 'messagexmas)) | |
2915 | ||
2916 | ;;; Group name completion. | |
2917 | ||
2918 | (defvar message-newgroups-header-regexp | |
2919 | "^\\(Newsgroups\\|Followup-To\\|Posted-To\\):" | |
2920 | "Regexp that match headers that lists groups.") | |
2921 | ||
2922 | (defun message-tab () | |
2923 | "Expand group names in Newsgroups and Followup-To headers. | |
2924 | Do a `tab-to-tab-stop' if not in those headers." | |
2925 | (interactive) | |
2926 | (if (let ((mail-abbrev-mode-regexp message-newgroups-header-regexp)) | |
2927 | (mail-abbrev-in-expansion-header-p)) | |
2928 | (message-expand-group) | |
2929 | (tab-to-tab-stop))) | |
2930 | ||
2931 | (defvar gnus-active-hashtb) | |
2932 | (defun message-expand-group () | |
2933 | (let* ((b (save-excursion (skip-chars-backward "^, :\t\n") (point))) | |
2934 | (completion-ignore-case t) | |
2935 | (string (buffer-substring b (point))) | |
2936 | (hashtb (and (boundp 'gnus-active-hashtb) gnus-active-hashtb)) | |
2937 | (completions (all-completions string hashtb)) | |
2938 | (cur (current-buffer)) | |
2939 | comp) | |
2940 | (delete-region b (point)) | |
2941 | (cond | |
2942 | ((= (length completions) 1) | |
2943 | (if (string= (car completions) string) | |
2944 | (progn | |
2945 | (insert string) | |
2946 | (message "Only matching group")) | |
2947 | (insert (car completions)))) | |
2948 | ((and (setq comp (try-completion string hashtb)) | |
2949 | (not (string= comp string))) | |
2950 | (insert comp)) | |
2951 | (t | |
2952 | (insert string) | |
2953 | (if (not comp) | |
2954 | (message "No matching groups") | |
2955 | (pop-to-buffer "*Completions*") | |
2956 | (buffer-disable-undo (current-buffer)) | |
2957 | (let ((buffer-read-only nil)) | |
2958 | (erase-buffer) | |
2959 | (let ((standard-output (current-buffer))) | |
2960 | (display-completion-list (sort completions 'string<))) | |
2961 | (goto-char (point-min)) | |
2962 | (pop-to-buffer cur))))))) | |
2963 | ||
2964 | ;;; Help stuff. | |
2965 | ||
2966 | (defmacro message-y-or-n-p (question show &rest text) | |
2967 | "Ask QUESTION, displaying the rest of the arguments in a temporary buffer." | |
2968 | `(message-talkative-question 'y-or-n-p ,question ,show ,@text)) | |
2969 | ||
2970 | (defun message-talkative-question (ask question show &rest text) | |
2971 | "Call FUNCTION with argument QUESTION, displaying the rest of the arguments in a temporary buffer if SHOW. | |
2972 | The following arguments may contain lists of values." | |
2973 | (if (and show | |
2974 | (setq text (message-flatten-list text))) | |
2975 | (save-window-excursion | |
2976 | (save-excursion | |
2977 | (with-output-to-temp-buffer " *MESSAGE information message*" | |
2978 | (set-buffer " *MESSAGE information message*") | |
2979 | (mapcar 'princ text) | |
2980 | (goto-char (point-min)))) | |
2981 | (funcall ask question)) | |
2982 | (funcall ask question))) | |
2983 | ||
2984 | (defun message-flatten-list (&rest list) | |
2985 | (message-flatten-list-1 list)) | |
2986 | ||
2987 | (defun message-flatten-list-1 (list) | |
2988 | (cond ((consp list) | |
2989 | (apply 'append (mapcar 'message-flatten-list-1 list))) | |
2990 | (list | |
2991 | (list list)))) | |
2992 | ||
2993 | (run-hooks 'message-load-hook) | |
2994 | ||
2995 | (provide 'message) | |
2996 | ||
2997 | ;;; message.el ends here |