1 ;;; gnus-art.el --- article mode commands for Semi-gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
3 ;; Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
6 ;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
7 ;; Katsumi Yamaoka <yamaoka@jpl.org>
8 ;; Keywords: mail, news, MIME
10 ;; This file is part of GNU Emacs.
12 ;; GNU Emacs is free software; you can redistribute it and/or modify
13 ;; it under the terms of the GNU General Public License as published by
14 ;; the Free Software Foundation; either version 2, or (at your option)
17 ;; GNU Emacs is distributed in the hope that it will be useful,
18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 ;; GNU General Public License for more details.
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with GNU Emacs; see the file COPYING. If not, write to the
24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
25 ;; Boston, MA 02111-1307, USA.
34 (defvar tool-bar-map))
44 (when (static-if (featurep 'xemacs)
45 (console-on-window-system-p)
47 (require 'mime-image))
50 ;; Avoid byte-compile warnings.
60 (autoload 'gnus-msg-mail "gnus-msg" nil t)
61 (autoload 'gnus-button-mailto "gnus-msg")
62 (autoload 'gnus-button-reply "gnus-msg" nil t)
63 (autoload 'ansi-color-apply-on-region "ansi-color")
65 (defgroup gnus-article nil
67 :link '(custom-manual "(gnus)Article Buffer")
70 (defgroup gnus-article-treat nil
71 "Treating article parts."
72 :link '(custom-manual "(gnus)Article Hiding")
75 (defgroup gnus-article-hiding nil
76 "Hiding article parts."
77 :link '(custom-manual "(gnus)Article Hiding")
80 (defgroup gnus-article-highlight nil
81 "Article highlighting."
82 :link '(custom-manual "(gnus)Article Highlighting")
86 (defgroup gnus-article-signature nil
88 :link '(custom-manual "(gnus)Article Signature")
91 (defgroup gnus-article-headers nil
93 :link '(custom-manual "(gnus)Hiding Headers")
96 (defgroup gnus-article-washing nil
97 "Special commands on articles."
98 :link '(custom-manual "(gnus)Article Washing")
101 (defgroup gnus-article-emphasis nil
102 "Fontisizing articles."
103 :link '(custom-manual "(gnus)Article Fontisizing")
104 :group 'gnus-article)
106 (defgroup gnus-article-saving nil
108 :link '(custom-manual "(gnus)Saving Articles")
109 :group 'gnus-article)
111 (defgroup gnus-article-mime nil
112 "Worshiping the MIME wonder."
113 :link '(custom-manual "(gnus)Using MIME")
114 :group 'gnus-article)
116 (defgroup gnus-article-buttons nil
117 "Pushable buttons in the article buffer."
118 :link '(custom-manual "(gnus)Article Buttons")
119 :group 'gnus-article)
121 (defgroup gnus-article-various nil
122 "Other article options."
123 :link '(custom-manual "(gnus)Misc Article")
124 :group 'gnus-article)
126 (defcustom gnus-ignored-headers
129 (concat "^" header ":"))
130 '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
131 "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
132 "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
133 "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
134 "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
135 "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
136 "X-Attribution" "X-Originating-IP" "Delivered-To"
137 "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
138 "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
139 "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
140 "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
141 "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
142 "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
143 "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
144 "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
145 "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
146 "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
147 "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
148 "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
149 "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
150 "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
151 "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
152 "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
153 "List-[A-Za-z]+" "X-Listprocessor-Version"
154 "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
155 "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
156 "X-Received" "Content-length" "X-precedence"
157 "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
158 "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
159 "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
160 "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
161 "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
162 "X-Content-length" "X-Posting-Agent" "Original-Received"
163 "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
164 "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
165 "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
166 "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
167 "X-Abuse-and-DMCA-Info" "X-Postfilter" "X-Gpg-.*" "X-Disclaimer"))
168 "*All headers that start with this regexp will be hidden.
169 This variable can also be a list of regexps of headers to be ignored.
170 If `gnus-visible-headers' is non-nil, this variable will be ignored."
171 :type '(choice :custom-show nil
174 :group 'gnus-article-hiding)
176 (defcustom gnus-visible-headers
177 "^From:\\|^Newsgroups:\\|^Subject:\\|^Date:\\|^Followup-To:\\|^Reply-To:\\|^Organization:\\|^Summary:\\|^Keywords:\\|^To:\\|^[BGF]?Cc:\\|^Posted-To:\\|^Mail-Copies-To:\\|^Mail-Followup-To:\\|^Apparently-To:\\|^Gnus-Warning:\\|^Resent-From:\\|^X-Sent:"
178 "*All headers that do not match this regexp will be hidden.
179 This variable can also be a list of regexp of headers to remain visible.
180 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
181 :type '(repeat :value-to-internal (lambda (widget value)
182 (custom-split-regexp-maybe value))
183 :match (lambda (widget value)
185 (widget-editable-list-match widget value)))
187 :group 'gnus-article-hiding)
189 (defcustom gnus-sorted-header-list
190 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
191 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
192 "*This variable is a list of regular expressions.
193 If it is non-nil, headers that match the regular expressions will
194 be placed first in the article buffer in the sequence specified by
196 :type '(repeat regexp)
197 :group 'gnus-article-hiding)
199 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
200 "Headers that are only to be displayed if they have interesting data.
201 Possible values in this list are:
203 'empty Headers with no content.
204 'newsgroups Newsgroup identical to Gnus group.
205 'to-address To identical to To-address.
206 'to-list To identical to To-list.
207 'cc-list CC identical to To-list.
208 'followup-to Followup-to identical to Newsgroups.
209 'reply-to Reply-to identical to From.
210 'date Date less than four days old.
211 'long-to To and/or Cc longer than 1024 characters.
212 'many-to Multiple To and/or Cc."
213 :type '(set (const :tag "Headers with no content." empty)
214 (const :tag "Newsgroups identical to Gnus group." newsgroups)
215 (const :tag "To identical to To-address." to-address)
216 (const :tag "To identical to To-list." to-list)
217 (const :tag "CC identical to To-list." cc-list)
218 (const :tag "Followup-to identical to Newsgroups." followup-to)
219 (const :tag "Reply-to identical to From." reply-to)
220 (const :tag "Date less than four days old." date)
221 (const :tag "To and/or Cc longer than 1024 characters." long-to)
222 (const :tag "Multiple To and/or Cc headers." many-to))
223 :group 'gnus-article-hiding)
225 (defcustom gnus-article-skip-boring nil
226 "Skip over text that is not worth reading.
227 By default, if you set this t, then Gnus will display citations and
228 signatures, but will never scroll down to show you a page consisting
229 only of boring text. Boring text is controlled by
230 `gnus-article-boring-faces'."
232 :group 'gnus-article-hiding)
234 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
235 "Regexp matching signature separator.
236 This can also be a list of regexps. In that case, it will be checked
237 from head to tail looking for a separator. Searches will be done from
238 the end of the buffer."
239 :type '(repeat string)
240 :group 'gnus-article-signature)
242 (defcustom gnus-signature-limit nil
243 "Provide a limit to what is considered a signature.
244 If it is a number, no signature may not be longer (in characters) than
245 that number. If it is a floating point number, no signature may be
246 longer (in lines) than that number. If it is a function, the function
247 will be called without any parameters, and if it returns nil, there is
248 no signature in the buffer. If it is a string, it will be used as a
249 regexp. If it matches, the text in question is not a signature."
250 :type '(choice (integer :value 200)
252 (function :value fun)
253 (regexp :value ".*"))
254 :group 'gnus-article-signature)
256 (defcustom gnus-hidden-properties '(invisible t intangible t)
257 "Property list to use for hiding text."
259 :group 'gnus-article-hiding)
261 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
262 ;; frames in a session.
263 (defcustom gnus-article-x-face-command
268 (if (or (gnus-image-type-available-p 'xface)
269 (gnus-image-type-available-p 'pbm))
270 'gnus-display-x-face-in-from
271 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -"))
272 ((and (fboundp 'image-type-available-p)
273 (module-installed-p 'x-face-e21))
274 'x-face-decode-message-header)
275 ((gnus-image-type-available-p 'pbm)
276 'gnus-display-x-face-in-from)
278 (module-installed-p 'x-face-mule))
279 'x-face-mule-gnus-article-display-x-face)
281 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
283 "*String or function to be executed to display an X-Face header.
284 If it is a string, the command will be executed in a sub-shell
285 asynchronously. The compressed face will be piped to this command."
287 ,@(let (x-face-e21 x-face-mule)
288 (if (featurep 'xemacs)
290 (setq x-face-e21 (module-installed-p 'x-face-e21)
291 x-face-mule (module-installed-p 'x-face-mule)))
295 (if (or (gnus-image-type-available-p 'xface)
296 (gnus-image-type-available-p 'pbm))
297 '(function-item gnus-display-x-face-in-from))
299 (fboundp 'image-type-available-p))
301 :tag "x-face-decode-message-header (x-face-e21)"
302 x-face-decode-message-header))
305 x-face-mule-gnus-article-display-x-face))
309 :group 'gnus-article-washing)
311 (defcustom gnus-article-x-face-too-ugly nil
312 "Regexp matching posters whose face shouldn't be shown automatically."
313 :type '(choice regexp (const nil))
314 :group 'gnus-article-washing)
316 (defcustom gnus-article-banner-alist nil
317 "Banner alist for stripping.
319 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
321 :type '(repeat (cons symbol regexp))
322 :group 'gnus-article-washing)
324 (gnus-define-group-parameter
327 "Alist of regexps (to match group names) and banner."
328 :variable-group gnus-article-washing
330 '(choice :tag "Banner"
332 (const :tag "Remove signature" signature)
333 (symbol :tag "Item in `gnus-article-banner-alist'" none)
335 (const :tag "None" nil))
337 "If non-nil, specify how to remove `banners' from articles.
339 Symbol `signature' means to remove signatures delimited by
340 `gnus-signature-separator'. Any other symbol is used to look up a
341 regular expression to match the banner in `gnus-article-banner-alist'.
342 A string is used as a regular expression to match the banner
345 (defcustom gnus-article-address-banner-alist nil
346 "Alist of mail addresses and banners.
347 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
348 to match a mail address in the From: header, BANNER is one of a symbol
349 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
350 If ADDRESS matches author's mail address, it will remove things like
351 advertisements. For example:
353 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
357 (regexp :tag "Address")
358 (choice :tag "Banner" :value nil
359 (const :tag "Remove signature" signature)
360 (symbol :tag "Item in `gnus-article-banner-alist'" none)
362 (const :tag "None" nil))))
363 :group 'gnus-article-washing)
365 (defcustom gnus-emphasis-alist
367 "\\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)")
372 ("_/" "/_" underline-italic)
373 ("_\\*" "\\*_" underline-bold)
374 ("\\*/" "/\\*" bold-italic)
375 ("_\\*/" "/\\*_" underline-bold-italic))))
379 (format format (car spec) (car (cdr spec)))
380 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
382 ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
383 2 3 gnus-emphasis-strikethru)
384 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
385 2 3 gnus-emphasis-underline)))
386 "*Alist that says how to fontify certain phrases.
387 Each item looks like this:
389 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
391 The first element is a regular expression to be matched. The second
392 is a number that says what regular expression grouping used to find
393 the entire emphasized word. The third is a number that says what
394 regexp grouping should be displayed and highlighted. The fourth
395 is the face used for highlighting."
396 :type '(repeat (list :value ("" 0 0 default)
398 (integer :tag "Match group")
399 (integer :tag "Emphasize group")
401 :group 'gnus-article-emphasis)
403 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
404 "A regexp to describe whitespace which should not be emphasized.
405 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
406 The former avoids underlining of leading and trailing whitespace,
407 and the latter avoids underlining any whitespace at all."
409 :group 'gnus-article-emphasis
412 (defface gnus-emphasis-bold '((t (:bold t)))
413 "Face used for displaying strong emphasized text (*word*)."
414 :group 'gnus-article-emphasis)
416 (defface gnus-emphasis-italic '((t (:italic t)))
417 "Face used for displaying italic emphasized text (/word/)."
418 :group 'gnus-article-emphasis)
420 (defface gnus-emphasis-underline '((t (:underline t)))
421 "Face used for displaying underlined emphasized text (_word_)."
422 :group 'gnus-article-emphasis)
424 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
425 "Face used for displaying underlined bold emphasized text (_*word*_)."
426 :group 'gnus-article-emphasis)
428 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
429 "Face used for displaying underlined italic emphasized text (_/word/_)."
430 :group 'gnus-article-emphasis)
432 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
433 "Face used for displaying bold italic emphasized text (/*word*/)."
434 :group 'gnus-article-emphasis)
436 (defface gnus-emphasis-underline-bold-italic
437 '((t (:bold t :italic t :underline t)))
438 "Face used for displaying underlined bold italic emphasized text.
439 Example: (_/*word*/_)."
440 :group 'gnus-article-emphasis)
442 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
443 '((t (:strikethru t)))
444 '((t (:strike-through t))))
445 "Face used for displaying strike-through text (-word-)."
446 :group 'gnus-article-emphasis)
448 (defface gnus-emphasis-highlight-words
449 '((t (:background "black" :foreground "yellow")))
450 "Face used for displaying highlighted words."
451 :group 'gnus-article-emphasis)
453 (defcustom gnus-article-time-format "%a, %b %d %Y %T %Z"
454 "Format for display of Date headers in article bodies.
455 See `format-time-string' for the possible values.
457 The variable can also be function, which should return a complete Date
458 header. The function is called with one argument, the time, which can
459 be fed to `format-time-string'."
460 :type '(choice string symbol)
461 :link '(custom-manual "(gnus)Article Date")
462 :group 'gnus-article-washing)
465 (autoload 'mail-extract-address-components "mail-extr"))
467 (defcustom gnus-save-all-headers t
468 "*If non-nil, don't remove any headers before saving."
469 :group 'gnus-article-saving
472 (defcustom gnus-prompt-before-saving 'always
473 "*This variable says how much prompting is to be done when saving articles.
474 If it is nil, no prompting will be done, and the articles will be
475 saved to the default files. If this variable is `always', each and
476 every article that is saved will be preceded by a prompt, even when
477 saving large batches of articles. If this variable is neither nil not
478 `always', there the user will be prompted once for a file name for
479 each invocation of the saving commands."
480 :group 'gnus-article-saving
481 :type '(choice (item always)
482 (item :tag "never" nil)
483 (sexp :tag "once" :format "%t\n" :value t)))
485 (defcustom gnus-saved-headers gnus-visible-headers
486 "Headers to keep if `gnus-save-all-headers' is nil.
487 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
488 If that variable is nil, however, all headers that match this regexp
489 will be kept while the rest will be deleted before saving."
490 :group 'gnus-article-saving
493 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
494 "A function to save articles in your favourite format.
495 The function must be interactively callable (in other words, it must
496 be an Emacs command).
498 Gnus provides the following functions:
500 * gnus-summary-save-in-rmail (Rmail format)
501 * gnus-summary-save-in-mail (Unix mail format)
502 * gnus-summary-save-in-folder (MH folder)
503 * gnus-summary-save-in-file (article format)
504 * gnus-summary-save-body-in-file (article body)
505 * gnus-summary-save-in-vm (use VM's folder format)
506 * gnus-summary-write-to-file (article format -- overwrite)."
507 :group 'gnus-article-saving
508 :type '(radio (function-item gnus-summary-save-in-rmail)
509 (function-item gnus-summary-save-in-mail)
510 (function-item gnus-summary-save-in-folder)
511 (function-item gnus-summary-save-in-file)
512 (function-item gnus-summary-save-body-in-file)
513 (function-item gnus-summary-save-in-vm)
514 (function-item gnus-summary-write-to-file)))
516 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
517 "A function generating a file name to save articles in Rmail format.
518 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
519 :group 'gnus-article-saving
522 (defcustom gnus-mail-save-name 'gnus-plain-save-name
523 "A function generating a file name to save articles in Unix mail format.
524 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
525 :group 'gnus-article-saving
528 (defcustom gnus-folder-save-name 'gnus-folder-save-name
529 "A function generating a file name to save articles in MH folder.
530 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
531 :group 'gnus-article-saving
534 (defcustom gnus-file-save-name 'gnus-numeric-save-name
535 "A function generating a file name to save articles in article format.
536 The function is called with NEWSGROUP, HEADERS, and optional
538 :group 'gnus-article-saving
541 (defcustom gnus-split-methods
542 '((gnus-article-archive-name)
543 (gnus-article-nndoc-name))
544 "*Variable used to suggest where articles are to be saved.
545 For instance, if you would like to save articles related to Gnus in
546 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
547 you could set this variable to something like:
549 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
550 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
552 This variable is an alist where the where the key is the match and the
553 value is a list of possible files to save in if the match is non-nil.
555 If the match is a string, it is used as a regexp match on the
556 article. If the match is a symbol, that symbol will be funcalled
557 from the buffer of the article to be saved with the newsgroup as the
558 parameter. If it is a list, it will be evaled in the same buffer.
560 If this form or function returns a string, this string will be used as
561 a possible file name; and if it returns a non-nil list, that list will
562 be used as possible file names."
563 :group 'gnus-article-saving
564 :type '(repeat (choice (list :value (fun) function)
565 (cons :value ("" "") regexp (repeat string))
568 (defcustom gnus-article-display-method-for-mime
569 'gnus-article-display-mime-message
570 "Function to display a MIME message.
571 The function is called from the article buffer."
572 :group 'gnus-article-mime
575 (defcustom gnus-article-display-method-for-traditional
576 'gnus-article-display-traditional-message
577 "*Function to display a traditional message.
578 The function is called from the article buffer."
579 :group 'gnus-article-mime
582 (defcustom gnus-page-delimiter "^\^L"
583 "*Regexp describing what to use as article page delimiters.
584 The default value is \"^\^L\", which is a form linefeed at the
585 beginning of a line."
587 :group 'gnus-article-various)
589 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
590 "*The format specification for the article mode line.
591 See `gnus-summary-mode-line-format' for a closer description.
593 The following additional specs are available:
595 %w The article washing status.
596 %m The number of MIME parts in the article."
598 :group 'gnus-article-various)
600 (defcustom gnus-article-mode-hook nil
601 "*A hook for Gnus article mode."
603 :group 'gnus-article-various)
605 (when (featurep 'xemacs)
606 ;; Extracted from gnus-xmas-define in order to preserve user settings
607 (when (fboundp 'turn-off-scroll-in-place)
608 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
609 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
610 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
612 (defcustom gnus-article-menu-hook nil
613 "*Hook run after the creation of the article mode menu."
615 :group 'gnus-article-various)
617 (defcustom gnus-article-prepare-hook nil
618 "*A hook called after an article has been prepared in the article buffer."
620 :group 'gnus-article-various)
622 (make-obsolete-variable 'gnus-article-hide-pgp-hook
623 "This variable is obsolete in Gnus 5.10.")
625 (defcustom gnus-article-button-face 'bold
626 "Face used for highlighting buttons in the article buffer.
628 An article button is a piece of text that you can activate by pressing
629 `RET' or `mouse-2' above it."
631 :group 'gnus-article-buttons)
633 (defcustom gnus-article-mouse-face 'highlight
634 "Face used for mouse highlighting in the article buffer.
636 Article buttons will be displayed in this face when the cursor is
639 :group 'gnus-article-buttons)
641 (defcustom gnus-signature-face 'gnus-signature-face
642 "Face used for highlighting a signature in the article buffer.
643 Obsolete; use the face `gnus-signature-face' for customizations instead."
645 :group 'gnus-article-highlight
646 :group 'gnus-article-signature)
648 (defface gnus-signature-face
651 "Face used for highlighting a signature in the article buffer."
652 :group 'gnus-article-highlight
653 :group 'gnus-article-signature)
655 (defface gnus-header-from-face
658 (:foreground "spring green"))
661 (:foreground "red3"))
664 "Face used for displaying from headers."
665 :group 'gnus-article-headers
666 :group 'gnus-article-highlight)
668 (defface gnus-header-subject-face
671 (:foreground "SeaGreen3"))
674 (:foreground "red4"))
676 (:bold t :italic t)))
677 "Face used for displaying subject headers."
678 :group 'gnus-article-headers
679 :group 'gnus-article-highlight)
681 (defface gnus-header-newsgroups-face
684 (:foreground "yellow" :italic t))
687 (:foreground "MidnightBlue" :italic t))
690 "Face used for displaying newsgroups headers.
691 In the default setup this face is only used for crossposted
693 :group 'gnus-article-headers
694 :group 'gnus-article-highlight)
696 (defface gnus-header-name-face
699 (:foreground "SeaGreen"))
702 (:foreground "maroon"))
705 "Face used for displaying header names."
706 :group 'gnus-article-headers
707 :group 'gnus-article-highlight)
709 (defface gnus-header-content-face
712 (:foreground "forest green" :italic t))
715 (:foreground "indianred4" :italic t))
718 "Face used for displaying header content."
719 :group 'gnus-article-headers
720 :group 'gnus-article-highlight)
722 (defcustom gnus-header-face-alist
723 '(("From" nil gnus-header-from-face)
724 ("Subject" nil gnus-header-subject-face)
725 ("Newsgroups:.*," nil gnus-header-newsgroups-face)
726 ("" gnus-header-name-face gnus-header-content-face))
727 "*Controls highlighting of article headers.
729 An alist of the form (HEADER NAME CONTENT).
731 HEADER is a regular expression which should match the name of a
732 header and NAME and CONTENT are either face names or nil.
734 The name of each header field will be displayed using the face
735 specified by the first element in the list where HEADER matches
736 the header name and NAME is non-nil. Similarly, the content will
737 be displayed by the first non-nil matching CONTENT face."
738 :group 'gnus-article-headers
739 :group 'gnus-article-highlight
740 :type '(repeat (list (regexp :tag "Header")
742 (item :tag "skip" nil)
743 (face :value default))
744 (choice :tag "Content"
745 (item :tag "skip" nil)
746 (face :value default)))))
748 (defcustom gnus-article-decode-hook
749 '(article-decode-group-name article-decode-idna-rhs)
750 "*Hook run to decode charsets in articles."
751 :group 'gnus-article-headers
754 (defcustom gnus-display-mime-function 'gnus-display-mime
755 "Function to display MIME articles."
756 :group 'gnus-article-mime
759 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
760 "Function used to decode headers.")
762 (defvar gnus-article-dumbquotes-map
782 "Table for MS-to-Latin1 translation.")
784 (defcustom gnus-ignored-mime-types nil
785 "List of MIME types that should be ignored by Gnus."
787 :group 'gnus-article-mime
788 :type '(repeat regexp))
790 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
791 "List of MIME types that should not be given buttons when rendered inline.
792 See also `gnus-buttonized-mime-types' which may override this variable.
793 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
795 :group 'gnus-article-mime
796 :type '(repeat regexp))
798 (defcustom gnus-buttonized-mime-types nil
799 "List of MIME types that should be given buttons when rendered inline.
800 If set, this variable overrides `gnus-unbuttonized-mime-types'.
801 To see e.g. security buttons you could set this to
802 `(\"multipart/signed\")'.
803 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
805 :group 'gnus-article-mime
806 :type '(repeat regexp))
808 (defcustom gnus-inhibit-mime-unbuttonizing nil
809 "If non-nil, all MIME parts get buttons.
810 When nil (the default value), then some MIME parts do not get buttons,
811 as described by the variables `gnus-buttonized-mime-types' and
812 `gnus-unbuttonized-mime-types'."
814 :group 'gnus-article-mime
817 (defcustom gnus-body-boundary-delimiter "_"
818 "String used to delimit header and body.
819 This variable is used by `gnus-article-treat-body-boundary' which can
820 be controlled by `gnus-treat-body-boundary'."
821 :group 'gnus-article-various
822 :type '(choice (item :tag "None" :value nil)
825 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces")
826 "Defines the location of the faces database.
827 For information on obtaining this database of pretty pictures, please
828 see http://www.cs.indiana.edu/picons/ftp/index.html"
829 :type '(repeat directory)
830 :link '(url-link :tag "download"
831 "http://www.cs.indiana.edu/picons/ftp/index.html")
832 :link '(custom-manual "(gnus)Picons")
835 (defun gnus-picons-installed-p ()
836 "Say whether picons are installed on your machine."
837 (let ((installed nil))
838 (dolist (database gnus-picon-databases)
839 (when (file-exists-p database)
843 (defcustom gnus-article-mime-part-function nil
844 "Function called with a MIME handle as the argument.
845 This is meant for people who want to do something automatic based
846 on parts -- for instance, adding Vcard info to a database."
847 :group 'gnus-article-mime
850 (defcustom gnus-mime-multipart-functions nil
851 "An alist of MIME types to functions to display them."
853 :group 'gnus-article-mime
854 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
856 (defcustom gnus-article-date-lapsed-new-header nil
857 "Whether the X-Sent and Date headers can coexist.
858 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
859 either replace the old \"Date:\" header (if this variable is nil), or
860 be added below it (otherwise)."
862 :group 'gnus-article-headers
865 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
866 "Function called with a MIME handle as the argument.
867 This is meant for people who want to view first matched part.
868 For `undisplayed-alternative' (default), the first undisplayed
869 part or alternative part is used. For `undisplayed', the first
870 undisplayed part is used. For a function, the first part which
871 the function return t is used. For nil, the first part is
874 :group 'gnus-article-mime
876 (item :tag "first" :value nil)
877 (item :tag "undisplayed" :value undisplayed)
878 (item :tag "undisplayed or alternative"
879 :value undisplayed-alternative)
882 (defcustom gnus-mime-action-alist
883 '(("save to file" . gnus-mime-save-part)
884 ("save and strip" . gnus-mime-save-part-and-strip)
885 ("delete part" . gnus-mime-delete-part)
886 ("display as text" . gnus-mime-inline-part)
887 ("view the part" . gnus-mime-view-part)
888 ("pipe to command" . gnus-mime-pipe-part)
889 ("toggle display" . gnus-article-press-button)
890 ("toggle display" . gnus-article-view-part-as-charset)
891 ("view as type" . gnus-mime-view-part-as-type)
892 ("view internally" . gnus-mime-view-part-internally)
893 ("view externally" . gnus-mime-view-part-externally))
894 "An alist of actions that run on the MIME attachment."
895 :group 'gnus-article-mime
896 :type '(repeat (cons (string :tag "name")
900 ;;; The treatment variables
903 (defvar gnus-part-display-hook nil
904 "Hook called on parts that are to receive treatment.")
906 (defvar gnus-article-treat-custom
907 '(choice (const :tag "Off" nil)
909 (const :tag "Header" head)
910 (const :tag "Last" last)
911 (const :tag "Mime" mime)
912 (integer :tag "Less")
913 (repeat :tag "Groups" regexp)
914 (sexp :tag "Predicate")))
916 (defvar gnus-article-treat-head-custom
917 '(choice (const :tag "Off" nil)
918 (const :tag "Header" head)))
920 (defvar gnus-article-treat-types '("text/plain")
923 (defvar gnus-inhibit-treatment nil
924 "Whether to inhibit treatment.")
926 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
927 "Highlight the signature.
928 Valid values are nil, t, `head', `last', an integer or a predicate.
929 See Info node `(gnus)Customizing Articles'."
930 :group 'gnus-article-treat
931 :link '(custom-manual "(gnus)Customizing Articles")
932 :type gnus-article-treat-custom)
933 (put 'gnus-treat-highlight-signature 'highlight t)
935 (defcustom gnus-treat-buttonize 100000
937 Valid values are nil, t, `head', `last', an integer or a predicate.
938 See Info node `(gnus)Customizing Articles'."
939 :group 'gnus-article-treat
940 :link '(custom-manual "(gnus)Customizing Articles")
941 :type gnus-article-treat-custom)
942 (put 'gnus-treat-buttonize 'highlight t)
944 (defcustom gnus-treat-buttonize-head 'head
945 "Add buttons to the head.
946 Valid values are nil, t, `head', `last', an integer or a predicate.
947 See Info node `(gnus)Customizing Articles' for details."
948 :group 'gnus-article-treat
949 :link '(custom-manual "(gnus)Customizing Articles")
950 :type gnus-article-treat-head-custom)
951 (put 'gnus-treat-buttonize-head 'highlight t)
953 (defcustom gnus-treat-emphasize
954 (and (or window-system
958 Valid values are nil, t, `head', `last', an integer or a predicate.
959 See Info node `(gnus)Customizing Articles' for details."
960 :group 'gnus-article-treat
961 :link '(custom-manual "(gnus)Customizing Articles")
962 :type gnus-article-treat-custom)
963 (put 'gnus-treat-emphasize 'highlight t)
965 (defcustom gnus-treat-strip-cr nil
966 "Remove carriage returns.
967 Valid values are nil, t, `head', `last', an integer or a predicate.
968 See Info node `(gnus)Customizing Articles' for details."
969 :group 'gnus-article-treat
970 :link '(custom-manual "(gnus)Customizing Articles")
971 :type gnus-article-treat-custom)
973 (defcustom gnus-treat-unsplit-urls nil
974 "Remove newlines from within URLs.
975 Valid values are nil, t, `head', `last', an integer or a predicate.
976 See Info node `(gnus)Customizing Articles' for details."
977 :group 'gnus-article-treat
978 :link '(custom-manual "(gnus)Customizing Articles")
979 :type gnus-article-treat-custom)
981 (defcustom gnus-treat-leading-whitespace nil
982 "Remove leading whitespace in headers.
983 Valid values are nil, t, `head', `last', an integer or a predicate.
984 See Info node `(gnus)Customizing Articles' for details."
985 :group 'gnus-article-treat
986 :link '(custom-manual "(gnus)Customizing Articles")
987 :type gnus-article-treat-custom)
989 (defcustom gnus-treat-hide-headers 'head
991 Valid values are nil, t, `head', `last', an integer or a predicate.
992 See Info node `(gnus)Customizing Articles' for details."
993 :group 'gnus-article-treat
994 :link '(custom-manual "(gnus)Customizing Articles")
995 :type gnus-article-treat-head-custom)
997 (defcustom gnus-treat-hide-boring-headers nil
998 "Hide boring headers.
999 Valid values are nil, t, `head', `last', an integer or a predicate.
1000 See Info node `(gnus)Customizing Articles' for details."
1001 :group 'gnus-article-treat
1002 :link '(custom-manual "(gnus)Customizing Articles")
1003 :type gnus-article-treat-head-custom)
1005 (defcustom gnus-treat-hide-signature nil
1006 "Hide the signature.
1007 Valid values are nil, t, `head', `last', an integer or a predicate.
1008 See Info node `(gnus)Customizing Articles' for details."
1009 :group 'gnus-article-treat
1010 :link '(custom-manual "(gnus)Customizing Articles")
1011 :type gnus-article-treat-custom)
1013 (defcustom gnus-treat-fill-article nil
1015 Valid values are nil, t, `head', `last', an integer or a predicate.
1016 See Info node `(gnus)Customizing Articles' for details."
1017 :group 'gnus-article-treat
1018 :link '(custom-manual "(gnus)Customizing Articles")
1019 :type gnus-article-treat-custom)
1021 (defcustom gnus-treat-hide-citation nil
1023 Valid values are nil, t, `head', `last', an integer or a predicate.
1024 See Info node `(gnus)Customizing Articles' for details."
1025 :group 'gnus-article-treat
1026 :link '(custom-manual "(gnus)Customizing Articles")
1027 :type gnus-article-treat-custom)
1029 (defcustom gnus-treat-hide-citation-maybe nil
1031 Valid values are nil, t, `head', `last', an integer or a predicate.
1032 See Info node `(gnus)Customizing Articles' for details."
1033 :group 'gnus-article-treat
1034 :link '(custom-manual "(gnus)Customizing Articles")
1035 :type gnus-article-treat-custom)
1037 (defcustom gnus-treat-strip-list-identifiers 'head
1038 "Strip list identifiers from `gnus-list-identifiers`.
1039 Valid values are nil, t, `head', `last', an integer or a predicate.
1040 See Info node `(gnus)Customizing Articles' for details."
1042 :group 'gnus-article-treat
1043 :link '(custom-manual "(gnus)Customizing Articles")
1044 :type gnus-article-treat-custom)
1046 (make-obsolete-variable 'gnus-treat-strip-pgp
1047 "This option is obsolete in Gnus 5.10.")
1049 (defcustom gnus-treat-strip-pem nil
1050 "Strip PEM signatures.
1051 Valid values are nil, t, `head', `last', an integer or a predicate.
1052 See Info node `(gnus)Customizing Articles' for details."
1053 :group 'gnus-article-treat
1054 :link '(custom-manual "(gnus)Customizing Articles")
1055 :type gnus-article-treat-custom)
1057 (defcustom gnus-treat-strip-banner t
1058 "Strip banners from articles.
1059 The banner to be stripped is specified in the `banner' group parameter.
1060 Valid values are nil, t, `head', `last', an integer or a predicate.
1061 See Info node `(gnus)Customizing Articles' for details."
1062 :group 'gnus-article-treat
1063 :link '(custom-manual "(gnus)Customizing Articles")
1064 :type gnus-article-treat-custom)
1066 (defcustom gnus-treat-highlight-headers 'head
1067 "Highlight the headers.
1068 Valid values are nil, t, `head', `last', an integer or a predicate.
1069 See Info node `(gnus)Customizing Articles' for details."
1070 :group 'gnus-article-treat
1071 :link '(custom-manual "(gnus)Customizing Articles")
1072 :type gnus-article-treat-head-custom)
1073 (put 'gnus-treat-highlight-headers 'highlight t)
1075 (defcustom gnus-treat-highlight-citation t
1076 "Highlight cited text.
1077 Valid values are nil, t, `head', `last', an integer or a predicate.
1078 See Info node `(gnus)Customizing Articles' for details."
1079 :group 'gnus-article-treat
1080 :link '(custom-manual "(gnus)Customizing Articles")
1081 :type gnus-article-treat-custom)
1082 (put 'gnus-treat-highlight-citation 'highlight t)
1084 (defcustom gnus-treat-date-ut nil
1085 "Display the Date in UT (GMT).
1086 Valid values are nil, t, `head', `last', an integer or a predicate.
1087 See Info node `(gnus)Customizing Articles' for details."
1088 :group 'gnus-article-treat
1089 :link '(custom-manual "(gnus)Customizing Articles")
1090 :type gnus-article-treat-head-custom)
1092 (defcustom gnus-treat-date-local nil
1093 "Display the Date in the local timezone.
1094 Valid values are nil, t, `head', `last', an integer or a predicate.
1095 See Info node `(gnus)Customizing Articles' for details."
1096 :group 'gnus-article-treat
1097 :link '(custom-manual "(gnus)Customizing Articles")
1098 :type gnus-article-treat-head-custom)
1100 (defcustom gnus-treat-date-english nil
1101 "Display the Date in a format that can be read aloud in English.
1102 Valid values are nil, t, `head', `last', an integer or a predicate.
1103 See Info node `(gnus)Customizing Articles' for details."
1104 :group 'gnus-article-treat
1105 :link '(custom-manual "(gnus)Customizing Articles")
1106 :type gnus-article-treat-head-custom)
1108 (defcustom gnus-treat-date-lapsed nil
1109 "Display the Date header in a way that says how much time has elapsed.
1110 Valid values are nil, t, `head', `last', an integer or a predicate.
1111 See Info node `(gnus)Customizing Articles' for details."
1112 :group 'gnus-article-treat
1113 :link '(custom-manual "(gnus)Customizing Articles")
1114 :type gnus-article-treat-head-custom)
1116 (defcustom gnus-treat-date-original nil
1117 "Display the date in the original timezone.
1118 Valid values are nil, t, `head', `last', an integer or a predicate.
1119 See Info node `(gnus)Customizing Articles' for details."
1120 :group 'gnus-article-treat
1121 :link '(custom-manual "(gnus)Customizing Articles")
1122 :type gnus-article-treat-head-custom)
1124 (defcustom gnus-treat-date-iso8601 nil
1125 "Display the date in the ISO8601 format.
1126 Valid values are nil, t, `head', `last', an integer or a predicate.
1127 See Info node `(gnus)Customizing Articles' for details."
1129 :group 'gnus-article-treat
1130 :link '(custom-manual "(gnus)Customizing Articles")
1131 :type gnus-article-treat-head-custom)
1133 (defcustom gnus-treat-date-user-defined nil
1134 "Display the date in a user-defined format.
1135 The format is defined by the `gnus-article-time-format' variable.
1136 Valid values are nil, t, `head', `last', an integer or a predicate.
1137 See Info node `(gnus)Customizing Articles' for details."
1138 :group 'gnus-article-treat
1139 :link '(custom-manual "(gnus)Customizing Articles")
1140 :type gnus-article-treat-head-custom)
1142 (defcustom gnus-treat-strip-headers-in-body t
1143 "Strip the X-No-Archive header line from the beginning of the body.
1144 Valid values are nil, t, `head', `last', an integer or a predicate.
1145 See Info node `(gnus)Customizing Articles' for details."
1147 :group 'gnus-article-treat
1148 :link '(custom-manual "(gnus)Customizing Articles")
1149 :type gnus-article-treat-custom)
1151 (defcustom gnus-treat-strip-trailing-blank-lines nil
1152 "Strip trailing blank lines.
1153 Valid values are nil, t, `head', `last', an integer or a predicate.
1154 See Info node `(gnus)Customizing Articles' for details."
1155 :group 'gnus-article-treat
1156 :link '(custom-manual "(gnus)Customizing Articles")
1157 :type gnus-article-treat-custom)
1159 (defcustom gnus-treat-strip-leading-blank-lines nil
1160 "Strip leading blank lines.
1161 Valid values are nil, t, `head', `last', an integer or a predicate.
1162 See Info node `(gnus)Customizing Articles' for details."
1163 :group 'gnus-article-treat
1164 :link '(custom-manual "(gnus)Customizing Articles")
1165 :type gnus-article-treat-custom)
1167 (defcustom gnus-treat-strip-multiple-blank-lines nil
1168 "Strip multiple blank lines.
1169 Valid values are nil, t, `head', `last', an integer or a predicate.
1170 See Info node `(gnus)Customizing Articles' for details."
1171 :group 'gnus-article-treat
1172 :link '(custom-manual "(gnus)Customizing Articles")
1173 :type gnus-article-treat-custom)
1175 (defcustom gnus-treat-unfold-headers 'head
1176 "Unfold folded header lines.
1177 Valid values are nil, t, `head', `last', an integer or a predicate.
1178 See Info node `(gnus)Customizing Articles' for details."
1179 :group 'gnus-article-treat
1180 :link '(custom-manual "(gnus)Customizing Articles")
1181 :type gnus-article-treat-custom)
1183 (defcustom gnus-treat-fold-headers nil
1185 Valid values are nil, t, `head', `last', an integer or a predicate.
1186 See Info node `(gnus)Customizing Articles' for details."
1187 :group 'gnus-article-treat
1188 :link '(custom-manual "(gnus)Customizing Articles")
1189 :type gnus-article-treat-custom)
1191 (defcustom gnus-treat-fold-newsgroups 'head
1192 "Fold the Newsgroups and Followup-To headers.
1193 Valid values are nil, t, `head', `last', an integer or a predicate.
1194 See Info node `(gnus)Customizing Articles' for details."
1195 :group 'gnus-article-treat
1196 :link '(custom-manual "(gnus)Customizing Articles")
1197 :type gnus-article-treat-custom)
1199 (defcustom gnus-treat-overstrike t
1200 "Treat overstrike highlighting.
1201 Valid values are nil, t, `head', `last', an integer or a predicate.
1202 See Info node `(gnus)Customizing Articles' for details."
1203 :group 'gnus-article-treat
1204 :link '(custom-manual "(gnus)Customizing Articles")
1205 :type gnus-article-treat-custom)
1206 (put 'gnus-treat-overstrike 'highlight t)
1208 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1209 "Treat ANSI SGR control sequences.
1210 Valid values are nil, t, `head', `last', an integer or a predicate.
1211 See Info node `(gnus)Customizing Articles' for details."
1212 :group 'gnus-article-treat
1213 :link '(custom-manual "(gnus)Customizing Articles")
1214 :type gnus-article-treat-custom)
1216 (make-obsolete-variable 'gnus-treat-display-xface
1217 'gnus-treat-display-x-face)
1219 (defcustom gnus-treat-display-x-face
1220 (and (not noninteractive)
1221 (or (memq gnus-article-x-face-command
1222 '(x-face-decode-message-header
1223 x-face-mule-gnus-article-display-x-face))
1224 (and (fboundp 'image-type-available-p)
1225 (image-type-available-p 'xbm)
1226 (string-match "^0x" (shell-command-to-string "uncompface"))
1227 (executable-find "icontopbm"))
1228 (and (featurep 'xemacs)
1231 "Display X-Face headers.
1232 Valid values are nil, t, `head', `last', an integer or a predicate.
1233 See Info node `(gnus)Customizing Articles' and Info node
1234 `(gnus)X-Face' for details."
1235 :group 'gnus-article-treat
1237 :link '(custom-manual "(gnus)Customizing Articles")
1238 :link '(custom-manual "(gnus)X-Face")
1239 :type gnus-article-treat-head-custom
1240 :set (lambda (symbol value)
1243 (cond ((or (boundp symbol) (get symbol 'saved-value))
1245 ((boundp 'gnus-treat-display-xface)
1247 ** gnus-treat-display-xface is an obsolete variable;\
1248 use gnus-treat-display-x-face instead")
1249 (default-value 'gnus-treat-display-xface))
1250 ((get 'gnus-treat-display-xface 'saved-value)
1252 ** gnus-treat-display-xface is an obsolete variable;\
1253 use gnus-treat-display-x-face instead")
1254 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1257 (put 'gnus-treat-display-x-face 'highlight t)
1259 (defcustom gnus-article-should-use-smiley-mule
1260 (not (or (featurep 'xemacs)
1261 (gnus-image-type-available-p 'xpm)
1262 (gnus-image-type-available-p 'pbm)))
1263 "Non-nil means use `smiley-mule' to show smileys rather than `smiley'.
1264 `smiley-mule' is boundled in BITMAP-MULE package. You can set it to t
1265 even if your Emacs supports images. It has no effect on XEmacs."
1266 :group 'gnus-article-various
1268 :get (lambda (symbol)
1269 (and (not noninteractive)
1270 (default-value symbol)
1271 (not (featurep 'xemacs))
1272 (module-installed-p 'smiley-mule)
1274 :set (lambda (symbol value)
1275 (set-default symbol (and (not noninteractive)
1277 (not (featurep 'xemacs))
1278 (module-installed-p 'smiley-mule)
1281 (defvar gnus-article-smiley-mule-loaded-p nil
1282 "Internal variable used to say whether `smiley-mule' is loaded (whether
1283 smiley functions are not overridden by `smiley').")
1285 (defcustom gnus-treat-display-face
1286 (and (not noninteractive)
1287 ;; x-face-e21 handles both X-Face and Face headers.
1288 (not (and (eq gnus-article-x-face-command 'x-face-decode-message-header)
1289 (module-installed-p 'x-face-e21)))
1290 (or (and (fboundp 'image-type-available-p)
1291 (image-type-available-p 'png))
1292 (and (featurep 'xemacs)
1295 "Display Face headers.
1296 Valid values are nil, t, `head', `last', an integer or a predicate.
1297 See Info node `(gnus)Customizing Articles' and Info node
1298 `(gnus)X-Face' for details."
1299 :group 'gnus-article-treat
1301 :link '(custom-manual "(gnus)Customizing Articles")
1302 :link '(custom-manual "(gnus)X-Face")
1303 :type gnus-article-treat-head-custom)
1304 (put 'gnus-treat-display-face 'highlight t)
1306 (defcustom gnus-treat-display-smileys
1307 (if (and (not noninteractive)
1308 (or (and (featurep 'xemacs)
1310 (gnus-image-type-available-p 'xpm)
1311 (gnus-image-type-available-p 'pbm)
1312 (and (not (featurep 'xemacs))
1314 (module-installed-p 'smiley-mule))))
1318 Valid values are nil, t, `head', `last', an integer or a predicate.
1319 See Info node `(gnus)Customizing Articles' and Info node
1320 `(gnus)Smileys' for details."
1321 :group 'gnus-article-treat
1323 :link '(custom-manual "(gnus)Customizing Articles")
1324 :link '(custom-manual "(gnus)Smileys")
1325 :type gnus-article-treat-custom)
1326 (put 'gnus-treat-display-smileys 'highlight t)
1328 (defcustom gnus-treat-from-picon
1329 (if (and (gnus-image-type-available-p 'xpm)
1330 (gnus-picons-installed-p))
1332 "Display picons in the From header.
1333 Valid values are nil, t, `head', `last', an integer or a predicate.
1334 See Info node `(gnus)Customizing Articles' and Info node
1335 `(gnus)Picons' for details."
1336 :group 'gnus-article-treat
1338 :link '(custom-manual "(gnus)Customizing Articles")
1339 :link '(custom-manual "(gnus)Picons")
1340 :type gnus-article-treat-head-custom)
1341 (put 'gnus-treat-from-picon 'highlight t)
1343 (defcustom gnus-treat-mail-picon
1344 (if (and (gnus-image-type-available-p 'xpm)
1345 (gnus-picons-installed-p))
1347 "Display picons in To and Cc headers.
1348 Valid values are nil, t, `head', `last', an integer or a predicate.
1349 See Info node `(gnus)Customizing Articles' and Info node
1350 `(gnus)Picons' for details."
1351 :group 'gnus-article-treat
1353 :link '(custom-manual "(gnus)Customizing Articles")
1354 :link '(custom-manual "(gnus)Picons")
1355 :type gnus-article-treat-head-custom)
1356 (put 'gnus-treat-mail-picon 'highlight t)
1358 (defcustom gnus-treat-newsgroups-picon
1359 (if (and (gnus-image-type-available-p 'xpm)
1360 (gnus-picons-installed-p))
1362 "Display picons in the Newsgroups and Followup-To headers.
1363 Valid values are nil, t, `head', `last', an integer or a predicate.
1364 See Info node `(gnus)Customizing Articles' and Info node
1365 `(gnus)Picons' for details."
1366 :group 'gnus-article-treat
1368 :link '(custom-manual "(gnus)Customizing Articles")
1369 :link '(custom-manual "(gnus)Picons")
1370 :type gnus-article-treat-head-custom)
1371 (put 'gnus-treat-newsgroups-picon 'highlight t)
1373 (defcustom gnus-treat-body-boundary
1374 (if (or gnus-treat-newsgroups-picon
1375 gnus-treat-mail-picon
1376 gnus-treat-from-picon)
1378 "Draw a boundary at the end of the headers.
1379 Valid values are nil and `head'.
1380 See Info node `(gnus)Customizing Articles' for details."
1382 :group 'gnus-article-treat
1383 :link '(custom-manual "(gnus)Customizing Articles")
1384 :type gnus-article-treat-head-custom)
1386 (defcustom gnus-treat-capitalize-sentences nil
1387 "Capitalize sentence-starting words.
1388 Valid values are nil, t, `head', `last', an integer or a predicate.
1389 See Info node `(gnus)Customizing Articles' for details."
1391 :group 'gnus-article-treat
1392 :link '(custom-manual "(gnus)Customizing Articles")
1393 :type gnus-article-treat-custom)
1395 (defcustom gnus-treat-wash-html nil
1397 Valid values are nil, t, `head', `last', an integer or a predicate.
1398 See Info node `(gnus)Customizing Articles' for details."
1399 :group 'gnus-article-treat
1400 :link '(custom-manual "(gnus)Customizing Articles")
1401 :type gnus-article-treat-custom)
1403 (defcustom gnus-treat-fill-long-lines nil
1405 Valid values are nil, t, `head', `last', an integer or a predicate.
1406 See Info node `(gnus)Customizing Articles' for details."
1407 :group 'gnus-article-treat
1408 :link '(custom-manual "(gnus)Customizing Articles")
1409 :type gnus-article-treat-custom)
1411 (defcustom gnus-treat-play-sounds nil
1413 Valid values are nil, t, `head', `last', an integer or a predicate.
1414 See Info node `(gnus)Customizing Articles' for details."
1416 :group 'gnus-article-treat
1417 :link '(custom-manual "(gnus)Customizing Articles")
1418 :type gnus-article-treat-custom)
1420 (defcustom gnus-treat-decode-article-as-default-mime-charset nil
1421 "Decode an article as `default-mime-charset'. For instance, if you want to
1422 attempt to decode an article even if the value of `gnus-show-mime' is nil,
1423 you could set this variable to something like: nil for don't decode, t for
1424 decode the body, '(or header t) for the whole article, etc."
1425 :group 'gnus-article-treat
1426 :type '(radio (const :tag "Off" nil)
1427 (const :tag "Decode body" t)
1428 (const :tag "Decode all" (or head t))))
1430 (defcustom gnus-treat-translate nil
1431 "Translate articles from one language to another.
1432 Valid values are nil, t, `head', `last', an integer or a predicate.
1433 See Info node `(gnus)Customizing Articles' for details."
1435 :group 'gnus-article-treat
1436 :link '(custom-manual "(gnus)Customizing Articles")
1437 :type gnus-article-treat-custom)
1439 (defcustom gnus-treat-x-pgp-sig nil
1441 To automatically treat X-PGP-Sig, set it to head.
1442 Valid values are nil, t, `head', `last', an integer or a predicate.
1443 See Info node `(gnus)Customizing Articles' for details."
1444 :group 'gnus-article-treat
1445 :group 'mime-security
1446 :type gnus-article-treat-custom)
1448 (defcustom gnus-treat-monafy nil
1449 "Display body part with mona font.
1450 Valid values are nil, t, `head', `last', an integer or a predicate.
1451 See Info node `(gnus)Customizing Articles' for details."
1452 :group 'gnus-article-treat
1453 :group 'mime-security
1454 :link '(custom-manual "(gnus)Customizing Articles")
1455 :type gnus-article-treat-custom)
1457 (defvar gnus-article-encrypt-protocol-alist
1458 '(("PGP" . mml2015-self-encrypt)))
1460 ;; Set to nil if more than one protocol added to
1461 ;; gnus-article-encrypt-protocol-alist.
1462 (defcustom gnus-article-encrypt-protocol "PGP"
1463 "The protocol used for encrypt articles.
1464 It is a string, such as \"PGP\". If nil, ask user."
1466 :group 'mime-security)
1468 (defvar gnus-article-wash-function nil
1469 "Function used for converting HTML into text.")
1471 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1472 (mm-coding-system-p 'utf-8)
1473 (executable-find idna-program))
1474 "Whether IDNA decoding of headers is used when viewing messages.
1475 This requires GNU Libidn, and by default only enabled if it is found."
1476 :group 'gnus-article-headers
1479 (defcustom gnus-article-over-scroll nil
1480 "If non-nil, allow scrolling the article buffer even when there no more text."
1481 :group 'gnus-article
1484 ;;; Internal variables
1486 (defvar gnus-english-month-names
1487 '("January" "February" "March" "April" "May" "June" "July" "August"
1488 "September" "October" "November" "December"))
1490 (defvar gnus-button-regexp nil)
1491 (defvar gnus-button-marker-list nil)
1492 ;; Regexp matching any of the regexps from `gnus-button-alist'.
1494 (defvar gnus-button-last nil)
1495 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
1497 (defvar article-goto-body-goes-to-point-min-p nil)
1498 (defvar gnus-article-wash-types nil)
1499 (defvar gnus-article-emphasis-alist nil)
1500 (defvar gnus-article-image-alist nil)
1502 (defvar gnus-article-mime-handle-alist-1 nil)
1503 (defvar gnus-treatment-function-alist
1504 '((gnus-treat-decode-article-as-default-mime-charset
1505 gnus-article-decode-article-as-default-mime-charset)
1506 (gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1507 (gnus-treat-monafy gnus-article-monafy)
1508 (gnus-treat-strip-banner gnus-article-strip-banner)
1509 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1510 (gnus-treat-buttonize gnus-article-add-buttons)
1511 (gnus-treat-fill-article gnus-article-fill-cited-article)
1512 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1513 (gnus-treat-strip-cr gnus-article-remove-cr)
1514 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1515 (gnus-treat-date-ut gnus-article-date-ut)
1516 (gnus-treat-date-local gnus-article-date-local)
1517 (gnus-treat-date-english gnus-article-date-english)
1518 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1519 (gnus-treat-date-original gnus-article-date-original)
1520 (gnus-treat-date-user-defined gnus-article-date-user)
1521 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1522 (gnus-treat-display-face gnus-article-display-face)
1523 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1524 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1525 (gnus-treat-hide-signature gnus-article-hide-signature)
1526 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1527 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1528 (gnus-treat-strip-pem gnus-article-hide-pem)
1529 (gnus-treat-from-picon gnus-treat-from-picon)
1530 (gnus-treat-mail-picon gnus-treat-mail-picon)
1531 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1532 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1533 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1534 (gnus-treat-strip-trailing-blank-lines
1535 gnus-article-remove-trailing-blank-lines)
1536 (gnus-treat-strip-leading-blank-lines
1537 gnus-article-strip-leading-blank-lines)
1538 (gnus-treat-strip-multiple-blank-lines
1539 gnus-article-strip-multiple-blank-lines)
1540 (gnus-treat-overstrike gnus-article-treat-overstrike)
1541 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1542 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1543 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1544 ;; Displaying X-Face should be done after unfolding headers
1545 ;; to protect bitmap lines.
1546 (gnus-treat-display-x-face gnus-article-display-x-face)
1547 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1548 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1549 (gnus-treat-display-smileys gnus-treat-smiley)
1550 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1551 (gnus-treat-wash-html gnus-article-wash-html)
1552 (gnus-treat-emphasize gnus-article-emphasize)
1553 (gnus-treat-hide-citation gnus-article-hide-citation)
1554 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1555 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1556 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1557 (gnus-treat-play-sounds gnus-earcon-display)))
1559 (defvar gnus-article-mime-handle-alist nil)
1560 (defvar article-lapsed-timer nil)
1561 (defvar gnus-article-current-summary nil)
1563 (defvar gnus-article-mode-syntax-table
1564 (let ((table (copy-syntax-table text-mode-syntax-table)))
1565 ;; This causes the citation match run O(2^n).
1566 ;; (modify-syntax-entry ?- "w" table)
1567 (modify-syntax-entry ?> ")<" table)
1568 (modify-syntax-entry ?< "(>" table)
1569 ;; make M-. in article buffers work for `foo' strings
1570 (modify-syntax-entry ?' " " table)
1571 (modify-syntax-entry ?` " " table)
1573 "Syntax table used in article mode buffers.
1574 Initialized from `text-mode-syntax-table.")
1576 (defvar gnus-save-article-buffer nil)
1578 (defvar gnus-article-mode-line-format-alist
1579 (nconc '((?w (gnus-article-wash-status) ?s)
1580 (?m (gnus-article-mime-part-status) ?s))
1581 gnus-summary-mode-line-format-alist))
1583 (defvar gnus-number-of-articles-to-be-saved nil)
1585 (defvar gnus-inhibit-hiding nil)
1587 (defvar gnus-article-edit-mode nil)
1589 ;;; Macros for dealing with the article buffer.
1591 (defmacro gnus-with-article-headers (&rest forms)
1593 (set-buffer gnus-article-buffer)
1595 (let ((buffer-read-only nil)
1596 (inhibit-point-motion-hooks t)
1597 (case-fold-search t))
1598 (article-narrow-to-head)
1601 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1602 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1604 (defmacro gnus-with-article-buffer (&rest forms)
1606 (set-buffer gnus-article-buffer)
1607 (let ((buffer-read-only nil))
1610 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1611 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1613 (defun gnus-article-goto-header (header)
1614 "Go to HEADER, which is a regular expression."
1615 (re-search-forward (concat "^\\(" header "\\):") nil t))
1617 (defsubst gnus-article-hide-text (b e props)
1618 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1619 (gnus-add-text-properties-when 'article-type nil b e props)
1620 (when (memq 'intangible props)
1622 (max (1- b) (point-min))
1623 b 'intangible (cddr (memq 'intangible props)))))
1625 (defsubst gnus-article-unhide-text (b e)
1626 "Remove hidden text properties from region between B and E."
1627 (remove-text-properties b e gnus-hidden-properties)
1628 (when (memq 'intangible gnus-hidden-properties)
1629 (put-text-property (max (1- b) (point-min))
1630 b 'intangible nil)))
1632 (defun gnus-article-hide-text-type (b e type)
1633 "Hide text of TYPE between B and E."
1634 (gnus-add-wash-type type)
1635 (gnus-article-hide-text
1636 b e (cons 'article-type (cons type gnus-hidden-properties))))
1638 (defun gnus-article-unhide-text-type (b e type)
1639 "Unhide text of TYPE between B and E."
1640 (gnus-delete-wash-type type)
1641 (remove-text-properties
1642 b e (cons 'article-type (cons type gnus-hidden-properties)))
1643 (when (memq 'intangible gnus-hidden-properties)
1644 (put-text-property (max (1- b) (point-min))
1645 b 'intangible nil)))
1647 (defun gnus-article-hide-text-of-type (type)
1648 "Hide text of TYPE in the current buffer."
1650 (let ((b (point-min))
1652 (while (setq b (text-property-any b e 'article-type type))
1653 (add-text-properties b (incf b) gnus-hidden-properties)))))
1655 (defun gnus-article-delete-text-of-type (type)
1656 "Delete text of TYPE in the current buffer."
1658 (let ((b (point-min)))
1659 (while (setq b (text-property-any b (point-max) 'article-type type))
1661 b (or (text-property-not-all b (point-max) 'article-type type)
1664 (defun gnus-article-delete-invisible-text ()
1665 "Delete all invisible text in the current buffer."
1667 (let ((b (point-min)))
1668 (while (setq b (text-property-any b (point-max) 'invisible t))
1670 b (or (text-property-not-all b (point-max) 'invisible t)
1673 (defun gnus-article-text-type-exists-p (type)
1674 "Say whether any text of type TYPE exists in the buffer."
1675 (text-property-any (point-min) (point-max) 'article-type type))
1677 (defsubst gnus-article-header-rank ()
1678 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1679 (let ((list gnus-sorted-header-list)
1682 (if (looking-at (car list))
1684 (setq list (cdr list))
1688 (defun article-hide-headers (&optional arg delete)
1689 "Hide unwanted headers and possibly sort them as well."
1690 (interactive (gnus-article-hidden-arg))
1691 ;; Lars said that this function might be inhibited.
1692 (if (gnus-article-check-hidden-text 'headers arg)
1694 ;; Show boring headers as well.
1695 (gnus-article-show-hidden-text 'boring-headers)
1696 (when (eq 1 (point-min))
1697 (set-window-start (get-buffer-window (current-buffer)) 1)))
1698 (unless gnus-inhibit-hiding
1701 (let ((inhibit-read-only t)
1702 (case-fold-search t)
1703 (max (1+ (length gnus-sorted-header-list)))
1704 (ignored (when (not gnus-visible-headers)
1705 (cond ((stringp gnus-ignored-headers)
1706 gnus-ignored-headers)
1707 ((listp gnus-ignored-headers)
1708 (mapconcat 'identity gnus-ignored-headers
1711 (cond ((stringp gnus-visible-headers)
1712 gnus-visible-headers)
1713 ((and gnus-visible-headers
1714 (listp gnus-visible-headers))
1715 (mapconcat 'identity gnus-visible-headers "\\|"))))
1716 (inhibit-point-motion-hooks t)
1718 ;; First we narrow to just the headers.
1719 (article-narrow-to-head)
1720 ;; Hide any "From " lines at the beginning of (mail) articles.
1721 (while (looking-at "From ")
1725 (delete-region (point-min) (point))
1726 (gnus-article-hide-text (point-min) (point)
1727 (nconc (list 'article-type 'headers)
1728 gnus-hidden-properties))))
1729 ;; Then treat the rest of the header lines.
1730 ;; Then we use the two regular expressions
1731 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1732 ;; select which header lines is to remain visible in the
1734 (while (re-search-forward "^[^ \t:]*:" nil t)
1736 ;; Mark the rank of the header.
1738 (point) (1+ (point)) 'message-rank
1739 (if (or (and visible (looking-at visible))
1741 (not (looking-at ignored))))
1742 (gnus-article-header-rank)
1745 (message-sort-headers-1)
1746 (when (setq beg (text-property-any
1747 (point-min) (point-max) 'message-rank (+ 2 max)))
1748 ;; We delete or make invisible the unwanted headers.
1749 (gnus-add-wash-type 'headers)
1752 (add-text-properties
1753 (point-min) (+ 5 (point-min))
1754 '(article-type headers dummy-invisible t))
1755 (delete-region beg (point-max)))
1756 (gnus-article-hide-text-type beg (point-max) 'headers)))))))))
1758 (defun article-hide-boring-headers (&optional arg)
1759 "Toggle hiding of headers that aren't very interesting.
1760 If given a negative prefix, always show; if given a positive prefix,
1762 (interactive (gnus-article-hidden-arg))
1763 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1764 (not gnus-show-all-headers))
1767 (let ((buffer-read-only nil)
1768 (list gnus-boring-article-headers)
1769 (inhibit-point-motion-hooks t)
1771 (article-narrow-to-head)
1773 (setq elem (pop list))
1774 (goto-char (point-min))
1776 ;; Hide empty headers.
1778 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1780 (gnus-article-hide-text-type
1784 (if (re-search-forward "^[^ \t]" nil t)
1788 ;; Hide boring Newsgroups header.
1789 ((eq elem 'newsgroups)
1790 (when (gnus-string-equal
1791 (gnus-fetch-field "newsgroups")
1792 (gnus-group-real-name
1793 (if (boundp 'gnus-newsgroup-name)
1796 (gnus-article-hide-header "newsgroups")))
1797 ((eq elem 'to-address)
1798 (let ((to (message-fetch-field "to"))
1800 (gnus-parameter-to-address
1801 (if (boundp 'gnus-newsgroup-name)
1802 gnus-newsgroup-name ""))))
1803 (when (and to to-address
1806 ;; only one address in To
1807 (nth 1 (mail-extract-address-components to))
1809 (gnus-article-hide-header "to"))))
1811 (let ((to (message-fetch-field "to"))
1813 (gnus-parameter-to-list
1814 (if (boundp 'gnus-newsgroup-name)
1815 gnus-newsgroup-name ""))))
1816 (when (and to to-list
1819 ;; only one address in To
1820 (nth 1 (mail-extract-address-components to))
1822 (gnus-article-hide-header "to"))))
1824 (let ((cc (message-fetch-field "cc"))
1826 (gnus-parameter-to-list
1827 (if (boundp 'gnus-newsgroup-name)
1828 gnus-newsgroup-name ""))))
1829 (when (and cc to-list
1832 ;; only one address in CC
1833 (nth 1 (mail-extract-address-components cc))
1835 (gnus-article-hide-header "cc"))))
1836 ((eq elem 'followup-to)
1837 (when (gnus-string-equal
1838 (message-fetch-field "followup-to")
1839 (message-fetch-field "newsgroups"))
1840 (gnus-article-hide-header "followup-to")))
1841 ((eq elem 'reply-to)
1842 (if (gnus-group-find-parameter
1843 gnus-newsgroup-name 'broken-reply-to)
1844 (gnus-article-hide-header "reply-to")
1845 (let ((from (message-fetch-field "from"))
1846 (reply-to (message-fetch-field "reply-to")))
1853 (lambda (x) (downcase (cadr x)))
1854 (mail-extract-address-components from t))
1857 (lambda (x) (downcase (cadr x)))
1858 (mail-extract-address-components reply-to t))
1860 (gnus-article-hide-header "reply-to")))))
1862 (let ((date (message-fetch-field "date")))
1864 (< (days-between (current-time-string) date)
1866 (gnus-article-hide-header "date"))))
1868 (let ((to (message-fetch-field "to"))
1869 (cc (message-fetch-field "cc")))
1870 (when (> (length to) 1024)
1871 (gnus-article-hide-header "to"))
1872 (when (> (length cc) 1024)
1873 (gnus-article-hide-header "cc"))))
1877 (goto-char (point-min))
1878 (while (re-search-forward "^to:" nil t)
1879 (setq to-count (1+ to-count)))
1880 (when (> to-count 1)
1881 (while (> to-count 0)
1882 (goto-char (point-min))
1884 (re-search-forward "^to:" nil nil to-count)
1886 (narrow-to-region (point) (point-max))
1887 (gnus-article-hide-header "to"))
1888 (setq to-count (1- to-count))))
1889 (goto-char (point-min))
1890 (while (re-search-forward "^cc:" nil t)
1891 (setq cc-count (1+ cc-count)))
1892 (when (> cc-count 1)
1893 (while (> cc-count 0)
1894 (goto-char (point-min))
1896 (re-search-forward "^cc:" nil nil cc-count)
1898 (narrow-to-region (point) (point-max))
1899 (gnus-article-hide-header "cc"))
1900 (setq cc-count (1- cc-count)))))))))))))
1902 (defun gnus-article-hide-header (header)
1904 (goto-char (point-min))
1905 (when (re-search-forward (concat "^" header ":") nil t)
1906 (gnus-article-hide-text-type
1910 (if (re-search-forward "^[^ \t]" nil t)
1915 (defvar gnus-article-normalized-header-length 40
1916 "Length of normalized headers.")
1918 (defun article-normalize-headers ()
1919 "Make all header lines 40 characters long."
1921 (let ((buffer-read-only nil)
1925 (article-narrow-to-head)
1928 ((< (setq column (- (point-at-eol) (point)))
1929 gnus-article-normalized-header-length)
1931 (insert (make-string
1932 (- gnus-article-normalized-header-length column)
1934 ((> column gnus-article-normalized-header-length)
1935 (gnus-put-text-property
1937 (forward-char gnus-article-normalized-header-length)
1944 (forward-line 1))))))
1946 (defun article-treat-dumbquotes ()
1947 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
1948 Note that this function guesses whether a character is a sm*rtq**t* or
1949 not, so it should only be used interactively.
1951 Sm*rtq**t*s are M****s***'s unilateral extension to the
1952 iso-8859-1 character map in an attempt to provide more quoting
1953 characters. If you see something like \\222 or \\264 where
1954 you're expecting some kind of apostrophe or quotation mark, then
1957 (article-translate-strings gnus-article-dumbquotes-map))
1959 (defun article-translate-characters (from to)
1960 "Translate all characters in the body of the article according to FROM and TO.
1961 FROM is a string of characters to translate from; to is a string of
1962 characters to translate to."
1964 (when (article-goto-body)
1965 (let ((buffer-read-only nil)
1966 (x (make-string 225 ?x))
1968 (while (< (incf i) (length x))
1971 (while (< i (length from))
1972 (aset x (aref from i) (aref to i))
1974 (translate-region (point) (point-max) x)))))
1976 (defun article-translate-strings (map)
1977 "Translate all string in the body of the article according to MAP.
1978 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1980 (when (article-goto-body)
1981 (let ((buffer-read-only nil)
1983 (while (setq elem (pop map))
1985 (while (search-forward (car elem) nil t)
1986 (replace-match (cadr elem)))))))))
1988 (defun article-treat-overstrike ()
1989 "Translate overstrikes into bold text."
1992 (when (article-goto-body)
1993 (let ((buffer-read-only nil))
1994 (while (search-forward "\b" nil t)
1995 (let ((next (char-after))
1999 previous (char-after))
2003 ;; We do the boldification/underlining by hiding the
2004 ;; overstrikes and putting the proper text property
2008 (gnus-article-hide-text-type start (point) 'overstrike)
2009 (put-text-property (point) end 'face 'bold))
2011 (gnus-article-hide-text-type
2012 (1- (point)) (1+ (point)) 'overstrike)
2014 start (1- (point)) 'face 'underline))
2016 (gnus-article-hide-text-type start (point) 'overstrike)
2018 (point) end 'face 'underline)))))))))
2020 (defun article-treat-ansi-sequences ()
2021 "Translate ANSI SGR control sequences into overlays or extents."
2024 (when (article-goto-body)
2025 (let ((buffer-read-only nil))
2026 (ansi-color-apply-on-region (point) (point-max))))))
2028 (defun gnus-article-treat-unfold-headers ()
2029 "Unfold folded message headers.
2030 Only the headers that fit into the current window width will be
2033 (gnus-with-article-headers
2037 (mail-header-narrow-to-field)
2038 (let ((header (buffer-string)))
2041 (goto-char (point-min))
2042 (while (re-search-forward "\n[\t ]" nil t)
2043 (replace-match " " t t)))
2044 (setq length (- (point-max) (point-min) 1)))
2045 (when (< length (window-width))
2046 (while (re-search-forward "\n[\t ]" nil t)
2047 (replace-match " " t t)))
2048 (goto-char (point-max)))))))
2050 (defun gnus-article-treat-fold-headers ()
2051 "Fold message headers."
2053 (gnus-with-article-headers
2056 (mail-header-narrow-to-field)
2057 (mail-header-fold-field)
2058 (goto-char (point-max))))))
2060 (defun gnus-treat-smiley ()
2061 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2063 (unless (featurep 'xemacs)
2064 (when (and (not gnus-article-should-use-smiley-mule)
2065 gnus-article-smiley-mule-loaded-p)
2066 (load "smiley" nil t)
2067 (setq gnus-article-smiley-mule-loaded-p nil))
2068 (when (and gnus-article-should-use-smiley-mule
2069 (not gnus-article-smiley-mule-loaded-p))
2070 (load "smiley-mule" nil t)
2071 (setq gnus-article-smiley-mule-loaded-p t)))
2072 (gnus-with-article-buffer
2073 (if (memq 'smiley gnus-article-wash-types)
2074 (gnus-delete-images 'smiley)
2076 (let ((images (smiley-region (point) (point-max))))
2078 (gnus-add-wash-type 'smiley)
2079 (dolist (image images)
2080 (gnus-add-image 'smiley image)))))))
2082 (defun gnus-article-remove-images ()
2083 "Remove all images from the article buffer."
2085 (gnus-with-article-buffer
2086 (dolist (elem gnus-article-image-alist)
2087 (gnus-delete-images (car elem)))))
2089 (defun gnus-article-treat-fold-newsgroups ()
2090 "Unfold folded message headers.
2091 Only the headers that fit into the current window width will be
2094 (gnus-with-article-headers
2095 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2097 (mail-header-narrow-to-field)
2098 (while (re-search-forward ", *" nil t)
2099 (replace-match ", " t t))
2100 (mail-header-fold-field)
2101 (goto-char (point-max))))))
2103 (defun gnus-article-treat-body-boundary ()
2104 "Place a boundary line at the end of the headers."
2106 (when (and gnus-body-boundary-delimiter
2107 (> (length gnus-body-boundary-delimiter) 0))
2108 (gnus-with-article-headers
2109 (goto-char (point-max))
2110 (let ((start (point)))
2111 (insert "X-Boundary: ")
2112 (gnus-add-text-properties start (point) '(invisible t intangible t))
2114 (while (>= (1- (window-width)) (length str))
2115 (setq str (concat str gnus-body-boundary-delimiter)))
2116 (substring str 0 (1- (window-width))))
2118 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2120 (defun article-fill-long-lines ()
2121 "Fill lines that are wider than the window width."
2124 (let ((buffer-read-only nil)
2125 (width (window-width (get-buffer-window (current-buffer)))))
2128 (let ((adaptive-fill-mode nil)) ;Why? -sm
2131 (when (>= (current-column) (min fill-column width))
2132 (narrow-to-region (min (1+ (point)) (point-max))
2134 (let ((goback (point-marker)))
2135 (fill-paragraph nil)
2136 (goto-char (marker-position goback)))
2138 (forward-line 1)))))))
2140 (defun article-capitalize-sentences ()
2141 "Capitalize the first word in each sentence."
2144 (let ((buffer-read-only nil)
2145 (paragraph-start "^[\n\^L]"))
2149 (forward-sentence)))))
2151 (defun article-remove-cr ()
2152 "Remove trailing CRs and then translate remaining CRs into LFs."
2155 (let ((buffer-read-only nil))
2156 (goto-char (point-min))
2157 (while (re-search-forward "\r+$" nil t)
2158 (replace-match "" t t))
2159 (goto-char (point-min))
2160 (while (search-forward "\r" nil t)
2161 (replace-match "\n" t t)))))
2163 (defun article-remove-trailing-blank-lines ()
2164 "Remove all trailing blank lines from the article."
2167 (let ((buffer-read-only nil))
2168 (goto-char (point-max))
2172 (while (and (not (bobp))
2173 (looking-at "^[ \t]*$")
2174 (not (gnus-annotation-in-region-p
2175 (point) (point-at-eol))))
2181 (defvar gnus-face-properties-alist))
2183 (defun article-display-face ()
2184 "Display any Face headers in the header."
2186 (let ((wash-face-p buffer-read-only))
2187 (gnus-with-article-headers
2188 ;; When displaying parts, this function can be called several times on
2189 ;; the same article, without any intended toggle semantic (as typing `W
2190 ;; D d' would have). So face deletion must occur only when we come from
2191 ;; an interactive command, that is when the *Article* buffer is
2193 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2194 (gnus-delete-images 'face)
2197 (when (and wash-face-p
2199 (goto-char (point-min))
2200 (not (re-search-forward "^Face:[\t ]*" nil t)))
2201 (gnus-buffer-live-p gnus-original-article-buffer))
2202 (set-buffer gnus-original-article-buffer))
2204 (mail-narrow-to-head)
2205 (while (gnus-article-goto-header "Face")
2206 (setq faces (nconc faces (list (mail-header-field-value)))))))
2207 (while (setq face (pop faces))
2208 (let ((png (gnus-convert-face-to-png face))
2212 (apply 'gnus-create-image png 'png t
2213 (cdr (assq 'png gnus-face-properties-alist))))
2214 (gnus-article-goto-header "from")
2216 (insert "From: [no `from' set]\n")
2218 (gnus-add-wash-type 'face)
2219 (gnus-add-image 'face image)
2220 (gnus-put-image image nil 'face))))))
2223 (defun article-display-x-face (&optional force)
2224 "Look for an X-Face header and display it if present."
2225 (interactive (list 'force))
2226 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2227 (gnus-with-article-headers
2228 ;; Delete the old process, if any.
2229 (when (process-status "article-x-face")
2230 (delete-process "article-x-face"))
2231 ;; See the comment in `article-display-face'.
2232 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2233 ;; We have already displayed X-Faces, so we remove them
2235 (gnus-delete-images 'xface)
2237 (let (x-faces from face)
2239 (when (and wash-face-p
2241 (goto-char (point-min))
2242 (not (re-search-forward
2243 "^X-Face\\(-[0-9]+\\)?:[\t ]*" nil t)))
2244 (gnus-buffer-live-p gnus-original-article-buffer))
2245 ;; If type `W f', use gnus-original-article-buffer,
2246 ;; otherwise use the current buffer because displaying
2247 ;; RFC822 parts calls this function too.
2248 (set-buffer gnus-original-article-buffer))
2250 (mail-narrow-to-head)
2251 (while (gnus-article-goto-header "X-Face")
2252 (push (mail-header-field-value) x-faces))
2253 (setq from (message-fetch-field "from"))))
2254 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2255 ;; single external face.
2256 (when (stringp gnus-article-x-face-command)
2257 (setq x-faces (list (car x-faces))))
2258 (while (and (setq face (pop x-faces))
2259 gnus-article-x-face-command
2261 ;; Check whether this face is censored.
2262 (not gnus-article-x-face-too-ugly)
2263 (and gnus-article-x-face-too-ugly from
2264 (not (string-match gnus-article-x-face-too-ugly
2266 ;; We display the face.
2267 (cond ((stringp gnus-article-x-face-command)
2268 ;; The command is a string, so we interpret the command
2269 ;; as a, well, command, and fork it off.
2270 (let ((process-connection-type nil))
2271 (process-kill-without-query
2273 "article-x-face" nil shell-file-name
2274 shell-command-switch gnus-article-x-face-command))
2277 (process-send-region "article-x-face"
2278 (point-min) (point-max)))
2279 (process-send-eof "article-x-face")))
2280 ((functionp gnus-article-x-face-command)
2281 ;; The command is a lisp function, so we call it.
2282 (funcall gnus-article-x-face-command face))
2284 (error "%s is not a function"
2285 gnus-article-x-face-command)))))))))
2287 (defun article-decode-mime-words ()
2288 "Decode all MIME-encoded words in the article."
2290 (gnus-with-article-buffer
2291 (let ((inhibit-point-motion-hooks t)
2292 (mail-parse-charset gnus-newsgroup-charset)
2293 (mail-parse-ignored-charsets
2294 (with-current-buffer gnus-summary-buffer
2295 gnus-newsgroup-ignored-charsets)))
2296 (mail-decode-encoded-word-region (point-min) (point-max)))))
2298 (defun article-decode-charset (&optional prompt)
2299 "Decode charset-encoded text in the article.
2300 If PROMPT (the prefix), prompt for a coding system to use."
2302 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2304 (mail-parse-charset gnus-newsgroup-charset)
2305 (mail-parse-ignored-charsets
2306 (save-excursion (condition-case nil
2307 (set-buffer gnus-summary-buffer)
2309 gnus-newsgroup-ignored-charsets))
2310 ct cte ctl charset format)
2313 (article-narrow-to-head)
2314 (setq ct (message-fetch-field "Content-Type" t)
2315 cte (message-fetch-field "Content-Transfer-Encoding" t)
2316 ctl (and ct (ignore-errors
2317 (mail-header-parse-content-type ct)))
2320 (mm-read-coding-system "Charset to decode: "))
2322 (mail-content-type-get ctl 'charset)))
2323 format (and ctl (mail-content-type-get ctl 'format)))
2325 (setq cte (mail-header-strip cte)))
2326 (if (and ctl (not (string-match "/" (car ctl))))
2328 (goto-char (point-max)))
2331 (narrow-to-region (point) (point-max))
2332 (when (and (eq mail-parse-charset 'gnus-decoded)
2333 (eq (mm-body-7-or-8) '8bit))
2334 ;; The text code could have been decoded.
2335 (setq charset mail-parse-charset))
2336 (when (and (or (not ctl)
2337 (equal (car ctl) "text/plain"))
2338 (not format)) ;; article with format will decode later.
2340 charset (and cte (intern (downcase
2341 (gnus-strip-whitespace cte))))
2344 (defun article-decode-encoded-words ()
2345 "Remove encoded-word encoding from headers."
2346 (let (buffer-read-only)
2347 (let ((charset (save-excursion
2348 (set-buffer gnus-summary-buffer)
2349 default-mime-charset)))
2350 (mime-decode-header-in-buffer charset))))
2352 (defun article-decode-group-name ()
2353 "Decode group names in `Newsgroups:'."
2354 (let ((inhibit-point-motion-hooks t)
2356 (method (gnus-find-method-for-group gnus-newsgroup-name)))
2357 (when (and (or gnus-group-name-charset-method-alist
2358 gnus-group-name-charset-group-alist)
2359 (gnus-buffer-live-p gnus-original-article-buffer))
2361 (article-narrow-to-head)
2362 (with-current-buffer gnus-original-article-buffer
2363 (goto-char (point-min)))
2364 (while (re-search-forward
2365 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2366 (replace-match (save-match-data
2367 (gnus-decode-newsgroups
2368 ;; XXX how to use data in article buffer?
2369 (with-current-buffer gnus-original-article-buffer
2371 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2374 gnus-newsgroup-name method))
2376 (goto-char (point-min))
2377 (with-current-buffer gnus-original-article-buffer
2378 (goto-char (point-min)))
2379 (while (re-search-forward
2380 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2381 (replace-match (save-match-data
2382 (gnus-decode-newsgroups
2383 ;; XXX how to use data in article buffer?
2384 (with-current-buffer gnus-original-article-buffer
2386 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2389 gnus-newsgroup-name method))
2392 (autoload 'idna-to-unicode "idna")
2394 (defun article-decode-idna-rhs ()
2395 "Decode IDNA strings in RHS in From:, To: and Cc: headers in current buffer."
2398 (let ((inhibit-point-motion-hooks t)
2400 (article-narrow-to-head)
2401 (goto-char (point-min))
2402 (while (re-search-forward "\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2404 (when (save-match-data
2405 (and (setq ace (match-string 1))
2407 (and (re-search-backward "^[^ \t]" nil t)
2408 (looking-at "From\\|To\\|Cc")))
2409 (save-excursion (backward-char)
2410 (message-idna-inside-rhs-p))
2411 (setq unicode (idna-to-unicode ace))))
2412 (unless (string= ace unicode)
2413 (replace-match unicode nil nil nil 1)))))))))
2415 (defun article-de-quoted-unreadable (&optional force read-charset)
2416 "Translate a quoted-printable-encoded article.
2417 If FORCE, decode the article whether it is marked as quoted-printable
2419 If READ-CHARSET, ask for a coding system."
2420 (interactive (list 'force current-prefix-arg))
2422 (let ((buffer-read-only nil) type charset)
2423 (if (gnus-buffer-live-p gnus-original-article-buffer)
2424 (with-current-buffer gnus-original-article-buffer
2426 (gnus-fetch-field "content-transfer-encoding"))
2427 (let* ((ct (gnus-fetch-field "content-type"))
2430 (mail-header-parse-content-type ct)))))
2431 (setq charset (and ctl
2432 (mail-content-type-get ctl 'charset)))
2433 (if (stringp charset)
2434 (setq charset (intern (downcase charset)))))))
2436 (setq charset (mm-read-coding-system "Charset: " charset)))
2438 (setq charset gnus-newsgroup-charset))
2440 (and type (let ((case-fold-search t))
2441 (string-match "quoted-printable" type))))
2443 (quoted-printable-decode-region
2444 (point) (point-max) (mm-charset-to-coding-system charset))))))
2446 (defun article-de-base64-unreadable (&optional force read-charset)
2447 "Translate a base64 article.
2448 If FORCE, decode the article whether it is marked as base64 not.
2449 If READ-CHARSET, ask for a coding system."
2450 (interactive (list 'force current-prefix-arg))
2452 (let ((buffer-read-only nil) type charset)
2453 (if (gnus-buffer-live-p gnus-original-article-buffer)
2454 (with-current-buffer gnus-original-article-buffer
2456 (gnus-fetch-field "content-transfer-encoding"))
2457 (let* ((ct (gnus-fetch-field "content-type"))
2460 (mail-header-parse-content-type ct)))))
2461 (setq charset (and ctl
2462 (mail-content-type-get ctl 'charset)))
2463 (if (stringp charset)
2464 (setq charset (intern (downcase charset)))))))
2466 (setq charset (mm-read-coding-system "Charset: " charset)))
2468 (setq charset gnus-newsgroup-charset))
2470 (and type (let ((case-fold-search t))
2471 (string-match "base64" type))))
2474 (narrow-to-region (point) (point-max))
2475 (base64-decode-region (point-min) (point-max))
2476 (mm-decode-coding-region
2477 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2482 (defun article-decode-HZ ()
2483 "Translate a HZ-encoded article."
2487 (let ((buffer-read-only nil))
2488 (rfc1843-decode-region (point-min) (point-max)))))
2490 (defun article-unsplit-urls ()
2491 "Remove the newlines that some other mailers insert into URLs."
2494 (let ((buffer-read-only nil))
2495 (goto-char (point-min))
2496 (while (re-search-forward
2497 "^\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2498 (replace-match "\\1\\3" t)))
2499 (when (interactive-p)
2500 (gnus-treat-article nil))))
2503 (defun article-wash-html (&optional read-charset)
2504 "Format an HTML article.
2505 If READ-CHARSET, ask for a coding system."
2508 (let ((buffer-read-only nil)
2510 (when (gnus-buffer-live-p gnus-original-article-buffer)
2511 (with-current-buffer gnus-original-article-buffer
2512 (let* ((ct (gnus-fetch-field "content-type"))
2515 (mail-header-parse-content-type ct)))))
2516 (setq charset (and ctl
2517 (mail-content-type-get ctl 'charset)))
2518 (when (stringp charset)
2519 (setq charset (intern (downcase charset)))))))
2521 (setq charset (mm-read-coding-system "Charset: " charset)))
2523 (setq charset gnus-newsgroup-charset))
2525 (save-window-excursion
2527 (narrow-to-region (point) (point-max))
2528 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2529 (entry (assq func mm-text-html-washer-alist)))
2531 (setq func (cdr entry)))
2536 (apply (car func) (cdr func))))))))))
2538 (defun gnus-article-wash-html-with-w3 ()
2539 "Wash the current buffer with w3."
2541 (let ((w3-strict-width (window-width))
2542 (url-standalone-mode t)
2543 (url-gateway-unplugged t)
2544 (w3-honor-stylesheets nil))
2546 (w3-region (point-min) (point-max))
2549 (defun gnus-article-wash-html-with-w3m ()
2550 "Wash the current buffer with emacs-w3m."
2553 (narrow-to-region (point) (point-max))
2554 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
2555 w3m-force-redisplay)
2556 (w3m-region (point-min) (point-max)))
2557 (when (and mm-inline-text-html-with-w3m-keymap
2558 (boundp 'w3m-minor-mode-map)
2560 (add-text-properties
2561 (point-min) (point-max)
2562 (list 'keymap w3m-minor-mode-map
2563 ;; Put the mark meaning this part was rendered by emacs-w3m.
2564 'mm-inline-text-html-with-w3m t)))))
2566 (defun article-hide-list-identifiers ()
2567 "Remove list identifies from the Subject header.
2568 The `gnus-list-identifiers' variable specifies what to do."
2570 (let ((inhibit-point-motion-hooks t)
2571 (regexp (if (consp gnus-list-identifiers)
2572 (mapconcat 'identity gnus-list-identifiers " *\\|")
2573 gnus-list-identifiers))
2578 (article-narrow-to-head)
2579 (goto-char (point-min))
2580 (while (re-search-forward
2581 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2583 (delete-region (match-beginning 2) (match-end 0))
2584 (beginning-of-line))
2585 (when (re-search-forward
2586 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2587 (delete-region (match-beginning 1) (match-end 1))))))))
2589 (defun article-hide-pem (&optional arg)
2590 "Toggle hiding of any PEM headers and signatures in the current article.
2591 If given a negative prefix, always show; if given a positive prefix,
2593 (interactive (gnus-article-hidden-arg))
2594 (unless (gnus-article-check-hidden-text 'pem arg)
2596 (let (buffer-read-only end)
2597 (goto-char (point-min))
2598 ;; Hide the horrendously ugly "header".
2599 (when (and (search-forward
2600 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2602 (setq end (1+ (match-beginning 0))))
2603 (gnus-add-wash-type 'pem)
2604 (gnus-article-hide-text-type
2606 (if (search-forward "\n\n" nil t)
2610 ;; Hide the trailer as well
2611 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2613 (gnus-article-hide-text-type
2614 (match-beginning 0) (match-end 0) 'pem)))))))
2616 (defun article-strip-banner ()
2617 "Strip the banners specified by the `banner' group parameter and by
2618 `gnus-article-address-banner-alist'."
2622 (let ((inhibit-point-motion-hooks t))
2623 (when (gnus-parameter-banner gnus-newsgroup-name)
2624 (article-really-strip-banner
2625 (gnus-parameter-banner gnus-newsgroup-name)))
2626 (when gnus-article-address-banner-alist
2627 (article-really-strip-banner
2628 (let ((from (save-restriction
2630 (article-narrow-to-head)
2631 (mail-fetch-field "from"))))
2634 (caar (mail-header-parse-addresses from))))
2636 (dolist (pair gnus-article-address-banner-alist)
2637 (when (string-match (car pair) from)
2638 (throw 'found (cdr pair)))))))))))))
2640 (defun article-really-strip-banner (banner)
2641 "Strip the banner specified by the argument."
2644 (let ((inhibit-point-motion-hooks t)
2645 (gnus-signature-limit nil)
2649 ((eq banner 'signature)
2650 (when (gnus-article-narrow-to-signature)
2653 (delete-region (point) (point-max))))
2655 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2656 (while (re-search-forward banner nil t)
2657 (delete-region (match-beginning 0) (match-end 0)))))
2659 (while (re-search-forward banner nil t)
2660 (delete-region (match-beginning 0) (match-end 0)))))))))
2662 (defun article-babel ()
2663 "Translate article using an online translation service."
2666 (gnus-with-article-buffer
2667 (when (article-goto-body)
2668 (let* ((start (point))
2670 (orig (buffer-substring start end))
2671 (trans (babel-as-string orig)))
2673 (narrow-to-region start end)
2674 (delete-region start end)
2677 (defun article-hide-signature (&optional arg)
2678 "Hide the signature in the current article.
2679 If given a negative prefix, always show; if given a positive prefix,
2681 (interactive (gnus-article-hidden-arg))
2687 (article-goto-body))
2688 (goto-char (point-min)))
2689 (unless (gnus-article-check-hidden-text 'signature arg)
2690 (let ((buffer-read-only nil)
2692 (while (setq button (text-property-any button (point-max)
2694 'gnus-signature-toggle))
2695 (setq button (text-property-not-all button (point-max)
2697 'gnus-signature-toggle))
2698 (when (and button (not (eobp)))
2699 (gnus-article-hide-text-type
2701 (next-single-property-change (1+ button) 'mime-view-entity
2704 (gnus-set-mode-line 'article))
2706 (defun article-strip-headers-in-body ()
2707 "Strip offensive headers from bodies."
2711 (let ((case-fold-search t))
2712 (when (looking-at "x-no-archive:")
2713 (gnus-delete-line)))))
2715 (defun article-strip-leading-blank-lines ()
2716 "Remove all blank lines from the beginning of the article."
2719 (let ((inhibit-point-motion-hooks t)
2721 (when (article-goto-body)
2722 (while (and (not (eobp))
2723 (looking-at "[ \t]*$"))
2724 (gnus-delete-line))))))
2726 (defun article-narrow-to-head ()
2727 "Narrow the buffer to the head of the message.
2728 Point is left at the beginning of the narrowed-to region."
2730 (goto-char (point-min))
2731 (if (search-forward "\n\n" nil 1)
2734 (goto-char (point-min)))
2736 (defun article-goto-body ()
2737 "Place point at the start of the body."
2738 (goto-char (point-min))
2740 ;; This variable is only bound when dealing with separate
2742 (article-goto-body-goes-to-point-min-p
2744 ((search-forward "\n\n" nil t)
2747 (goto-char (point-max))
2750 (defun article-strip-multiple-blank-lines ()
2751 "Replace consecutive blank lines with one empty line."
2754 (let ((inhibit-point-motion-hooks t)
2756 ;; First make all blank lines empty.
2758 (while (re-search-forward "^[ \t]+$" nil t)
2759 (unless (gnus-annotation-in-region-p
2760 (match-beginning 0) (match-end 0))
2761 (replace-match "" nil t)))
2762 ;; Then replace multiple empty lines with a single empty line.
2764 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2765 (unless (gnus-annotation-in-region-p
2766 (match-beginning 0) (match-end 0))
2767 (delete-region (match-beginning 1) (match-end 1)))))))
2769 (defun article-strip-leading-space ()
2770 "Remove all white space from the beginning of the lines in the article."
2773 (let ((inhibit-point-motion-hooks t)
2776 (while (re-search-forward "^[ \t]+" nil t)
2777 (replace-match "" t t)))))
2779 (defun article-strip-trailing-space ()
2780 "Remove all white space from the end of the lines in the article."
2783 (let ((inhibit-point-motion-hooks t)
2786 (while (re-search-forward "[ \t]+$" nil t)
2787 (replace-match "" t t)))))
2789 (defun article-strip-blank-lines ()
2790 "Strip leading, trailing and multiple blank lines."
2792 (article-strip-leading-blank-lines)
2793 (article-remove-trailing-blank-lines)
2794 (article-strip-multiple-blank-lines))
2796 (defun article-strip-all-blank-lines ()
2797 "Strip all blank lines."
2800 (let ((inhibit-point-motion-hooks t)
2803 (while (re-search-forward "^[ \t]*\n" nil t)
2804 (replace-match "" t t)))))
2806 (defun gnus-article-narrow-to-signature ()
2807 "Narrow to the signature; return t if a signature is found, else nil."
2808 (let ((inhibit-point-motion-hooks t))
2809 (when (gnus-article-search-signature)
2811 ;; Check whether we have some limits to what we consider
2812 ;; to be a signature.
2813 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2814 (list gnus-signature-limit)))
2816 (while (setq limit (pop limits))
2817 (if (or (and (integerp limit)
2818 (< (- (point-max) (point)) limit))
2820 (< (count-lines (point) (point-max)) limit))
2821 (and (functionp limit)
2823 (and (stringp limit)
2824 (not (re-search-forward limit nil t))))
2825 () ; This limit did not succeed.
2829 (narrow-to-region (point) (point-max))
2832 (defun gnus-article-search-signature ()
2833 "Search the current buffer for the signature separator.
2834 Put point at the beginning of the signature separator."
2835 (let ((cur (point)))
2836 (goto-char (point-max))
2837 (if (if (stringp gnus-signature-separator)
2838 (re-search-backward gnus-signature-separator nil t)
2839 (let ((seps gnus-signature-separator))
2841 (not (re-search-backward (car seps) nil t)))
2848 (defun gnus-article-hidden-arg ()
2849 "Return the current prefix arg as a number, or 0 if no prefix."
2850 (list (if current-prefix-arg
2851 (prefix-numeric-value current-prefix-arg)
2854 (defun gnus-article-check-hidden-text (type arg)
2855 "Return nil if hiding is necessary.
2856 Arg can be nil or a number. nil and positive means hide, negative
2857 means show, 0 means toggle."
2860 (let ((hide (gnus-article-hidden-text-p type)))
2866 (gnus-article-show-hidden-text type)
2869 (if (eq hide 'hidden)
2871 (gnus-article-show-hidden-text type)
2875 (defun gnus-article-hidden-text-p (type)
2876 "Say whether the current buffer contains hidden text of type TYPE."
2877 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2879 (not (get-text-property pos 'invisible))
2880 (not (get-text-property pos 'dummy-invisible)))
2882 (text-property-any (1+ pos) (point-max) 'article-type type)))
2887 (defun gnus-article-show-hidden-text (type &optional dummy)
2888 "Show all hidden text of type TYPE.
2889 Originally it is hide instead of DUMMY."
2890 (let ((buffer-read-only nil)
2891 (inhibit-point-motion-hooks t))
2892 (gnus-remove-text-properties-when
2894 (point-min) (point-max)
2895 (cons 'article-type (cons type
2896 gnus-hidden-properties)))
2897 (gnus-delete-wash-type type)))
2899 (defconst article-time-units
2900 `((year . ,(* 365.25 24 60 60))
2901 (week . ,(* 7 24 60 60))
2902 (day . ,(* 24 60 60))
2906 "Mapping from time units to seconds.")
2908 (defun gnus-article-forward-header ()
2909 "Move point to the start of the next header.
2910 If the current header is a continuation header, this can be several
2915 (if (looking-at "[ \t]+[^ \t]")
2919 (defun article-date-ut (&optional type highlight header)
2920 "Convert DATE date to universal time in the current article.
2921 If TYPE is `local', convert to local time; if it is `lapsed', output
2922 how much time has lapsed since DATE. For `lapsed', the value of
2923 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2924 should replace the \"Date:\" one, or should be added below it."
2925 (interactive (list 'ut t))
2926 (let* ((header (or header
2927 (and (eq 1 (point-min))
2928 (mail-header-date (save-excursion
2929 (set-buffer gnus-summary-buffer)
2930 gnus-current-headers)))
2931 (message-fetch-field "date")
2933 (date (if (vectorp header) (mail-header-date header)
2935 (inhibit-point-motion-hooks t)
2936 bface eface date-pos)
2937 (when (and date (not (string= date "")))
2940 (article-narrow-to-head)
2941 (when (or (and (eq type 'lapsed)
2942 gnus-article-date-lapsed-new-header
2943 ;; Attempt to get the face of X-Sent first.
2944 (re-search-forward "^X-Sent:[ \t]" nil t))
2945 (re-search-forward "^Date:[ \t]" nil t)
2946 ;; If Date is missing, try again for X-Sent.
2947 (re-search-forward "^X-Sent:[ \t]" nil t))
2948 (setq bface (get-text-property (point-at-bol) 'face)
2949 date (or (get-text-property (point-at-bol)
2952 eface (get-text-property (1- (point-at-eol))
2954 (let ((buffer-read-only nil))
2955 ;; Delete any old X-Sent headers.
2956 (when (setq date-pos
2957 (text-property-any (point-min) (point-max)
2958 'article-date-lapsed t))
2959 (goto-char (setq date-pos (set-marker (make-marker) date-pos)))
2960 (delete-region (match-beginning 0)
2961 (progn (forward-line 1) (point))))
2962 (goto-char (point-min))
2963 ;; Delete any old Date headers.
2964 (while (re-search-forward "^Date:[ \t]" nil t)
2966 (setq date-pos (match-beginning 0)))
2967 (unless (and (eq type 'lapsed)
2968 gnus-article-date-lapsed-new-header)
2969 (delete-region (match-beginning 0)
2970 (progn (message-next-header) (point)))))
2973 (goto-char date-pos)
2975 ;; Possibly, Date has been deleted.
2977 (when (and (eq type 'lapsed)
2978 gnus-article-date-lapsed-new-header
2979 (looking-at "Date:"))
2981 (goto-char (point-min)))
2982 (insert (article-make-date-line date type))
2983 (when (eq type 'lapsed)
2984 (put-text-property (point-at-bol) (point)
2985 'article-date-lapsed t))
2989 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
2990 (put-text-property (match-beginning 1) (1+ (match-end 1))
2991 'original-date date)
2992 (put-text-property (match-beginning 1) (1+ (match-end 1))
2994 (put-text-property (match-beginning 2) (match-end 2)
2997 (defun article-make-date-line (date type)
2998 "Return a DATE line of TYPE."
2999 (unless (memq type '(local ut original user iso8601 lapsed english))
3000 (error "Unknown conversion type: %s" type))
3002 (let ((time (date-to-time date)))
3004 ;; Convert to the local timezone.
3006 (let ((tz (car (current-time-zone time))))
3007 (format "Date: %s %s%02d%02d" (current-time-string time)
3008 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3009 (/ (% (abs tz) 3600) 60))))
3010 ;; Convert to Universal Time.
3013 (current-time-string
3014 (let* ((e (parse-time-string date))
3015 (tm (apply 'encode-time e))
3017 (ls (- (cadr tm) (car (current-time-zone time)))))
3018 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
3019 ((> ls 65535) (list (1+ ms) (- ls 65536)))
3022 ;; Get the original date from the article.
3023 ((eq type 'original)
3024 (concat "Date: " (if (string-match "\n+$" date)
3025 (substring date 0 (match-beginning 0))
3027 ;; Let the user define the format.
3029 (let ((format (or (condition-case nil
3030 (with-current-buffer gnus-summary-buffer
3031 gnus-article-time-format)
3033 gnus-article-time-format)))
3034 (if (functionp format)
3035 (funcall format time)
3036 (concat "Date: " (format-time-string format time)))))
3039 (let ((tz (car (current-time-zone time))))
3042 (format-time-string "%Y%m%dT%H%M%S" time)
3043 (format "%s%02d%02d"
3044 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3045 (/ (% (abs tz) 3600) 60)))))
3046 ;; Do an X-Sent lapsed format.
3048 ;; If the date is seriously mangled, the timezone functions are
3049 ;; liable to bug out, so we ignore all errors.
3050 (let* ((now (current-time))
3051 (real-time (subtract-time now time))
3052 (real-sec (and real-time
3053 (+ (* (float (car real-time)) 65536)
3055 (sec (and real-time (abs real-sec)))
3065 ;; This is a bit convoluted, but basically we go
3066 ;; through the time units for years, weeks, etc,
3067 ;; and divide things to see whether that results
3068 ;; in positive answers.
3071 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
3072 ;; The (remaining) seconds are too few to
3073 ;; be divided into this time unit.
3075 ;; It's big enough, so we output it.
3076 (setq sec (- sec (* num (cdr unit))))
3078 (concat (if prev ", " "") (int-to-string
3080 " " (symbol-name (car unit))
3081 (if (> num 1) "s" ""))
3083 article-time-units "")
3084 ;; If dates are odd, then it might appear like the
3085 ;; article was sent in the future.
3088 " in the future"))))))
3089 ;; Display the date in proper English
3091 (let ((dtime (decode-time time)))
3094 (number-to-string (nth 3 dtime))
3095 (let ((digit (% (nth 3 dtime) 10)))
3097 ((memq (nth 3 dtime) '(11 12 13)) "th")
3103 (nth (1- (nth 4 dtime)) gnus-english-month-names)
3105 (number-to-string (nth 5 dtime))
3107 (format "%02d" (nth 2 dtime))
3109 (format "%02d" (nth 1 dtime)))))))
3111 (format "Date: %s (from T-gnus)" date))))
3113 (defun article-date-local (&optional highlight)
3114 "Convert the current article date to the local timezone."
3115 (interactive (list t))
3116 (article-date-ut 'local highlight))
3118 (defun article-date-english (&optional highlight)
3119 "Convert the current article date to something that is proper English."
3120 (interactive (list t))
3121 (article-date-ut 'english highlight))
3123 (defun article-date-original (&optional highlight)
3124 "Convert the current article date to what it was originally.
3125 This is only useful if you have used some other date conversion
3126 function and want to see what the date was before converting."
3127 (interactive (list t))
3128 (article-date-ut 'original highlight))
3130 (defun article-date-lapsed (&optional highlight)
3131 "Convert the current article date to time lapsed since it was sent."
3132 (interactive (list t))
3133 (article-date-ut 'lapsed highlight))
3135 (defun article-update-date-lapsed ()
3136 "Function to be run from a timer to update the lapsed time line."
3137 (let (deactivate-mark)
3142 (set-buffer (window-buffer w))
3143 (when (eq major-mode 'gnus-article-mode)
3144 (let ((mark (point-marker)))
3145 (goto-char (point-min))
3146 (when (re-search-forward "^X-Sent:" nil t)
3147 (article-date-lapsed t))
3148 (goto-char (marker-position mark))
3149 (move-marker mark nil))))
3152 (defun gnus-start-date-timer (&optional n)
3153 "Start a timer to update the X-Sent header in the article buffers.
3154 The numerical prefix says how frequently (in seconds) the function
3159 (gnus-stop-date-timer)
3160 (setq article-lapsed-timer
3161 (run-at-time 1 n 'article-update-date-lapsed)))
3163 (defun gnus-stop-date-timer ()
3164 "Stop the X-Sent timer."
3166 (when article-lapsed-timer
3167 (nnheader-cancel-timer article-lapsed-timer)
3168 (setq article-lapsed-timer nil)))
3170 (defun article-date-user (&optional highlight)
3171 "Convert the current article date to the user-defined format.
3172 This format is defined by the `gnus-article-time-format' variable."
3173 (interactive (list t))
3174 (article-date-ut 'user highlight))
3176 (defun article-date-iso8601 (&optional highlight)
3177 "Convert the current article date to ISO8601."
3178 (interactive (list t))
3179 (article-date-ut 'iso8601 highlight))
3181 ;; (defun article-show-all ()
3182 ;; "Show all hidden text in the article buffer."
3186 ;; (let ((buffer-read-only nil))
3187 ;; (gnus-article-unhide-text (point-min) (point-max))
3188 ;; (gnus-remove-text-with-property 'gnus-prev)
3189 ;; (gnus-remove-text-with-property 'gnus-next))))
3191 (defun article-show-all-headers ()
3192 "Show all hidden headers in the article buffer."
3197 (article-narrow-to-head)
3198 (let ((buffer-read-only nil))
3199 (gnus-article-unhide-text (point-min) (point-max))))))
3201 (defun article-remove-leading-whitespace ()
3202 "Remove excessive whitespace from all headers."
3206 (let ((buffer-read-only nil))
3207 (article-narrow-to-head)
3208 (goto-char (point-min))
3209 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3210 (delete-region (match-beginning 1) (match-end 1)))))))
3212 (defun article-emphasize (&optional arg)
3213 "Emphasize text according to `gnus-emphasis-alist'."
3214 (interactive (gnus-article-hidden-arg))
3215 (unless (gnus-article-check-hidden-text 'emphasis arg)
3219 (with-current-buffer gnus-summary-buffer
3220 gnus-article-emphasis-alist)
3222 gnus-emphasis-alist))
3223 (buffer-read-only nil)
3224 (props (append '(article-type emphasis)
3225 gnus-hidden-properties))
3226 regexp elem beg invisible visible face)
3229 (while (setq elem (pop alist))
3231 (setq regexp (car elem)
3232 invisible (nth 1 elem)
3233 visible (nth 2 elem)
3235 (while (re-search-forward regexp nil t)
3236 (when (and (match-beginning visible) (match-beginning invisible))
3237 (gnus-article-hide-text
3238 (match-beginning invisible) (match-end invisible) props)
3239 (gnus-article-unhide-text-type
3240 (match-beginning visible) (match-end visible) 'emphasis)
3241 (gnus-put-overlay-excluding-newlines
3242 (match-beginning visible) (match-end visible) 'face face)
3243 (gnus-add-wash-type 'emphasis)
3244 (goto-char (match-end invisible)))))))))
3246 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3247 "Setup newsgroup emphasis alist."
3248 (unless gnus-article-emphasis-alist
3249 (let ((name (and gnus-newsgroup-name
3250 (gnus-group-real-name gnus-newsgroup-name))))
3251 (make-local-variable 'gnus-article-emphasis-alist)
3252 (setq gnus-article-emphasis-alist
3254 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3255 (while (setq elem (pop alist))
3256 (when (and name (string-match (car elem) name))
3258 highlight (copy-sequence (cdr elem)))))
3260 (copy-sequence highlight-words)
3261 (if gnus-newsgroup-name
3262 (copy-sequence (gnus-group-find-parameter
3263 gnus-newsgroup-name 'highlight-words t)))
3264 gnus-emphasis-alist)))))
3267 (defvar gnus-summary-article-menu)
3268 (defvar gnus-summary-post-menu))
3270 ;;; Saving functions.
3272 (defun gnus-article-save (save-buffer file &optional num)
3273 "Save the currently selected article."
3274 (unless gnus-save-all-headers
3275 ;; Remove headers according to `gnus-saved-headers'.
3276 (let ((gnus-visible-headers
3277 (or gnus-saved-headers gnus-visible-headers))
3278 (gnus-article-buffer save-buffer))
3280 (set-buffer save-buffer)
3281 (article-hide-headers 1 t))))
3282 (save-window-excursion
3283 (if (not gnus-default-article-saver)
3284 (error "No default saver is defined")
3285 ;; !!! Magic! The saving functions all save
3286 ;; `gnus-save-article-buffer' (or so they think), but we
3287 ;; bind that variable to our save-buffer.
3288 (set-buffer gnus-article-buffer)
3289 (let* ((gnus-save-article-buffer save-buffer)
3292 ((not gnus-prompt-before-saving) 'default)
3293 ((eq gnus-prompt-before-saving 'always) nil)
3295 (gnus-number-of-articles-to-be-saved
3296 (when (eq gnus-prompt-before-saving t)
3298 (set-buffer gnus-article-current-summary)
3299 (funcall gnus-default-article-saver filename)))))
3301 (defun gnus-read-save-file-name (prompt &optional filename
3302 function group headers variable)
3304 (funcall function group headers (symbol-value variable)))
3309 ((eq filename 'default)
3315 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3318 (if (and gnus-number-of-articles-to-be-saved
3319 (> gnus-number-of-articles-to-be-saved 1))
3320 (format "these %d articles"
3321 gnus-number-of-articles-to-be-saved)
3324 ;; Let the split methods have their say.
3326 ;; No split name was found.
3329 (concat prompt " (default "
3330 (file-name-nondirectory default-name) ") ")
3331 (file-name-directory default-name)
3333 ;; A single group name is returned.
3334 ((stringp split-name)
3336 (funcall function split-name headers
3337 (symbol-value variable)))
3339 (concat prompt " (default "
3340 (file-name-nondirectory default-name) ") ")
3341 (file-name-directory default-name)
3343 ;; A single split name was found
3344 ((= 1 (length split-name))
3345 (let* ((name (expand-file-name
3347 gnus-article-save-directory))
3348 (dir (cond ((file-directory-p name)
3349 (file-name-as-directory name))
3350 ((file-exists-p name) name)
3351 (t gnus-article-save-directory))))
3353 (concat prompt " (default " name ") ")
3355 ;; A list of splits was found.
3357 (setq split-name (nreverse split-name))
3359 (let ((file-name-history
3360 (nconc split-name file-name-history)))
3364 (concat prompt " (`M-p' for defaults) ")
3365 gnus-article-save-directory
3367 gnus-article-save-directory)))
3368 (car (push result file-name-history)))))))
3369 ;; Create the directory.
3370 (gnus-make-directory (file-name-directory file))
3371 ;; If we have read a directory, we append the default file name.
3372 (when (file-directory-p file)
3373 (setq file (expand-file-name (file-name-nondirectory
3375 (file-name-as-directory file))))
3376 ;; Possibly translate some characters.
3377 (nnheader-translate-file-chars file))))))
3378 (gnus-make-directory (file-name-directory result))
3379 (set variable result)))
3381 (defun gnus-article-archive-name (group)
3382 "Return the first instance of an \"Archive-name\" in the current buffer."
3383 (let ((case-fold-search t))
3384 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3385 (nnheader-concat gnus-article-save-directory
3386 (match-string 1)))))
3388 (defun gnus-article-nndoc-name (group)
3389 "If GROUP is an nndoc group, return the name of the parent group."
3390 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3391 (gnus-group-get-parameter group 'save-article-group)))
3393 (defun gnus-summary-save-in-rmail (&optional filename)
3394 "Append this article to Rmail file.
3395 Optional argument FILENAME specifies file name.
3396 Directory to save to is default to `gnus-article-save-directory'."
3397 (setq filename (gnus-read-save-file-name
3398 "Save %s in rmail file:" filename
3399 gnus-rmail-save-name gnus-newsgroup-name
3400 gnus-current-headers 'gnus-newsgroup-last-rmail))
3401 (gnus-eval-in-buffer-window gnus-save-article-buffer
3405 (gnus-output-to-rmail filename))))
3408 (defun gnus-summary-save-in-mail (&optional filename)
3409 "Append this article to Unix mail file.
3410 Optional argument FILENAME specifies file name.
3411 Directory to save to is default to `gnus-article-save-directory'."
3412 (setq filename (gnus-read-save-file-name
3413 "Save %s in Unix mail file:" filename
3414 gnus-mail-save-name gnus-newsgroup-name
3415 gnus-current-headers 'gnus-newsgroup-last-mail))
3416 (gnus-eval-in-buffer-window gnus-save-article-buffer
3420 (if (and (file-readable-p filename)
3421 (file-regular-p filename)
3422 (mail-file-babyl-p filename))
3423 (rmail-output-to-rmail-file filename t)
3424 (gnus-output-to-mail filename)))))
3427 (defun gnus-summary-save-in-file (&optional filename overwrite)
3428 "Append this article to file.
3429 Optional argument FILENAME specifies file name.
3430 Directory to save to is default to `gnus-article-save-directory'."
3431 (setq filename (gnus-read-save-file-name
3432 "Save %s in file:" filename
3433 gnus-file-save-name gnus-newsgroup-name
3434 gnus-current-headers 'gnus-newsgroup-last-file))
3435 (gnus-eval-in-buffer-window gnus-save-article-buffer
3439 (when (and overwrite
3440 (file-exists-p filename))
3441 (delete-file filename))
3442 (gnus-output-to-file filename))))
3445 (defun gnus-summary-write-to-file (&optional filename)
3446 "Write this article to a file, overwriting it if the file exists.
3447 Optional argument FILENAME specifies file name.
3448 The directory to save in defaults to `gnus-article-save-directory'."
3449 (gnus-summary-save-in-file nil t))
3451 (defun gnus-summary-save-body-in-file (&optional filename)
3452 "Append this article body to a file.
3453 Optional argument FILENAME specifies file name.
3454 The directory to save in defaults to `gnus-article-save-directory'."
3455 (setq filename (gnus-read-save-file-name
3456 "Save %s body in file:" filename
3457 gnus-file-save-name gnus-newsgroup-name
3458 gnus-current-headers 'gnus-newsgroup-last-file))
3459 (gnus-eval-in-buffer-window gnus-save-article-buffer
3463 (when (article-goto-body)
3464 (narrow-to-region (point) (point-max)))
3465 (gnus-output-to-file filename))))
3468 (defun gnus-summary-save-in-pipe (&optional command)
3469 "Pipe this article to subprocess."
3471 (cond ((and (eq command 'default)
3472 gnus-last-shell-command)
3473 gnus-last-shell-command)
3478 "Shell command on %s: "
3479 (if (and gnus-number-of-articles-to-be-saved
3480 (> gnus-number-of-articles-to-be-saved 1))
3481 (format "these %d articles"
3482 gnus-number-of-articles-to-be-saved)
3484 gnus-last-shell-command))))
3485 (when (string-equal command "")
3486 (if gnus-last-shell-command
3487 (setq command gnus-last-shell-command)
3488 (error "A command is required")))
3489 (gnus-eval-in-buffer-window gnus-article-buffer
3492 (shell-command-on-region (point-min) (point-max) command nil)))
3493 (setq gnus-last-shell-command command))
3495 (defun gnus-summary-pipe-to-muttprint (&optional command)
3496 "Pipe this article to muttprint."
3497 (setq command (read-string
3498 "Print using command: " gnus-summary-muttprint-program
3499 nil gnus-summary-muttprint-program))
3500 (gnus-summary-save-in-pipe command))
3502 ;;; Article file names when saving.
3504 (defun gnus-capitalize-newsgroup (newsgroup)
3505 "Capitalize NEWSGROUP name."
3506 (when (not (zerop (length newsgroup)))
3507 (concat (char-to-string (upcase (aref newsgroup 0)))
3508 (substring newsgroup 1))))
3510 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3511 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3512 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3513 Otherwise, it is like ~/News/news/group/num."
3516 (concat (if (gnus-use-long-file-name 'not-save)
3517 (gnus-capitalize-newsgroup newsgroup)
3518 (gnus-newsgroup-directory-form newsgroup))
3519 "/" (int-to-string (mail-header-number headers)))
3520 gnus-article-save-directory)))
3522 (string-equal (file-name-directory default)
3523 (file-name-directory last-file))
3524 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3526 (or last-file default))))
3528 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3529 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3530 If variable `gnus-use-long-file-name' is non-nil, it is
3531 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3534 (concat (if (gnus-use-long-file-name 'not-save)
3536 (gnus-newsgroup-directory-form newsgroup))
3537 "/" (int-to-string (mail-header-number headers)))
3538 gnus-article-save-directory)))
3540 (string-equal (file-name-directory default)
3541 (file-name-directory last-file))
3542 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3544 (or last-file default))))
3546 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3547 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3548 If variable `gnus-use-long-file-name' is non-nil, it is
3549 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3552 (if (gnus-use-long-file-name 'not-save)
3555 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3557 gnus-article-save-directory)))
3559 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3560 "Generate file name from sender."
3561 (let ((from (mail-header-from headers)))
3563 (if (and from (string-match "\\([^ <]+\\)@" from))
3564 (match-string 1 from)
3566 gnus-article-save-directory)))
3568 (defun article-verify-x-pgp-sig ()
3571 (if (gnus-buffer-live-p gnus-original-article-buffer)
3572 (let ((sig (with-current-buffer gnus-original-article-buffer
3573 (gnus-fetch-field "X-PGP-Sig")))
3577 (mml2015-clear-verify-function))
3579 (insert-buffer-substring gnus-original-article-buffer)
3580 (setq items (split-string sig))
3581 (message-narrow-to-head)
3582 (let ((inhibit-point-motion-hooks t)
3583 (case-fold-search t))
3584 ;; Don't verify multiple headers.
3585 (setq headers (mapconcat (lambda (header)
3587 (mail-fetch-field header)
3589 (split-string (nth 1 items) ",") "")))
3590 (delete-region (point-min) (point-max))
3591 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3592 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3597 (if (looking-at "^-")
3600 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3601 (insert "Version: " (car items) "\n\n")
3602 (insert (mapconcat 'identity (cddr items) "\n"))
3603 (insert "\n-----END PGP SIGNATURE-----\n")
3604 (let ((mm-security-handle (list (format "multipart/signed"))))
3605 (mml2015-clean-buffer)
3606 (let ((coding-system-for-write (or gnus-newsgroup-charset
3608 (funcall (mml2015-clear-verify-function)))
3610 (or (mm-handle-multipart-ctl-parameter
3611 mm-security-handle 'gnus-details)
3612 (mm-handle-multipart-ctl-parameter
3613 mm-security-handle 'gnus-info)))))
3615 (let (buffer-read-only bface eface)
3617 (message-narrow-to-head)
3618 (goto-char (point-max))
3620 (setq bface (get-text-property (point-at-bol) 'face)
3621 eface (get-text-property (1- (point-at-eol)) 'face))
3622 (message-remove-header "X-Gnus-PGP-Verify")
3623 (if (re-search-forward "^X-PGP-Sig:" nil t)
3625 (goto-char (point-max)))
3626 (narrow-to-region (point) (point))
3627 (insert "X-Gnus-PGP-Verify: " info "\n")
3628 (goto-char (point-min))
3631 (if (not (looking-at "^[ \t]"))
3635 (goto-char (point-min))
3636 (when (looking-at "\\([^:]+\\): *")
3637 (put-text-property (match-beginning 1) (1+ (match-end 1))
3639 (put-text-property (match-end 0) (point-max)
3640 'face eface)))))))))
3642 (defun article-verify-cancel-lock ()
3643 "Verify Cancel-Lock header."
3645 (if (gnus-buffer-live-p gnus-original-article-buffer)
3646 (canlock-verify gnus-original-article-buffer)))
3648 (defun article-monafy ()
3649 "Display body part with mona font."
3651 (unless (if (featurep 'xemacs)
3652 (find-face 'gnus-mona-face)
3653 (facep 'gnus-mona-face))
3654 (require 'navi2ch-mona)
3655 (set-face-font (make-face 'gnus-mona-face) navi2ch-mona-font))
3657 (let ((buffer-read-only nil))
3660 (gnus-make-overlay (point) (point-max))
3661 'face 'gnus-mona-face))))
3668 (setq afunc (car func)
3671 gfunc (intern (format "gnus-%s" func))))
3673 (when (fboundp afunc)
3674 `(lambda (&optional interactive &rest args)
3675 ,(documentation afunc t)
3676 (interactive (list t))
3678 (set-buffer gnus-article-buffer)
3680 (call-interactively ',afunc)
3681 (apply ',afunc args))))))))
3682 '(article-hide-headers
3683 article-verify-x-pgp-sig
3684 article-verify-cancel-lock
3686 article-hide-boring-headers
3687 article-treat-overstrike
3688 article-treat-ansi-sequences
3689 article-fill-long-lines
3690 article-capitalize-sentences
3692 article-remove-leading-whitespace
3693 article-display-x-face
3694 article-display-face
3695 article-de-quoted-unreadable
3696 article-de-base64-unreadable
3699 article-unsplit-urls
3700 article-hide-list-identifiers
3701 article-strip-banner
3704 article-hide-signature
3705 article-strip-headers-in-body
3706 article-remove-trailing-blank-lines
3707 article-strip-leading-blank-lines
3708 article-strip-multiple-blank-lines
3709 article-strip-leading-space
3710 article-strip-trailing-space
3711 article-strip-blank-lines
3712 article-strip-all-blank-lines
3714 article-date-english
3715 article-date-iso8601
3716 article-date-original
3718 article-decode-mime-words
3719 article-decode-charset
3720 article-decode-encoded-words
3724 article-treat-dumbquotes
3725 article-normalize-headers
3726 (article-show-all-headers . gnus-article-show-all-headers)
3727 ;; (article-show-all . gnus-article-show-all)
3731 ;;; Gnus article mode
3734 (put 'gnus-article-mode 'mode-class 'special)
3736 (gnus-define-keys gnus-article-mode-map
3737 " " gnus-article-goto-next-page
3738 "\177" gnus-article-goto-prev-page
3739 [delete] gnus-article-goto-prev-page
3740 [backspace] gnus-article-goto-prev-page
3741 "\C-c^" gnus-article-refer-article
3742 "h" gnus-article-show-summary
3743 "s" gnus-article-show-summary
3744 "\C-c\C-m" gnus-article-mail
3745 "?" gnus-article-describe-briefly
3746 "e" gnus-summary-edit-article
3747 "<" beginning-of-buffer
3749 "\C-c\C-i" gnus-info-find-node
3751 "R" gnus-article-reply-with-original
3752 "F" gnus-article-followup-with-original
3753 "\C-hk" gnus-article-describe-key
3754 "\C-hc" gnus-article-describe-key-briefly
3756 "\C-d" gnus-article-read-summary-keys
3757 "\M-*" gnus-article-read-summary-keys
3758 "\M-#" gnus-article-read-summary-keys
3759 "\M-^" gnus-article-read-summary-keys
3760 "\M-g" gnus-article-read-summary-keys)
3762 ;; Define almost undefined keys to `gnus-article-read-summary-keys'.
3766 (push (char-to-string key) keys)
3768 (dolist (elem (accessible-keymaps gnus-summary-mode-map))
3769 (setq key (car elem))
3770 (when (and (> (length key) 0)
3771 (not (eq 'menu-bar (aref key 0)))
3772 (symbolp (lookup-key gnus-summary-mode-map key)))
3775 (unless (lookup-key gnus-article-mode-map key)
3776 (define-key gnus-article-mode-map key 'gnus-article-read-summary-keys))))
3778 (defun gnus-article-make-menu-bar ()
3779 (unless (boundp 'gnus-article-commands-menu)
3780 (gnus-summary-make-menu-bar))
3781 (gnus-turn-off-edit-menu 'article)
3782 (unless (boundp 'gnus-article-article-menu)
3784 gnus-article-article-menu gnus-article-mode-map ""
3786 ["Scroll forwards" gnus-article-goto-next-page t]
3787 ["Scroll backwards" gnus-article-goto-prev-page t]
3788 ["Show summary" gnus-article-show-summary t]
3789 ["Fetch Message-ID at point" gnus-article-refer-article t]
3790 ["Mail to address at point" gnus-article-mail t]
3791 ["Send a bug report" gnus-bug t]))
3794 gnus-article-treatment-menu gnus-article-mode-map ""
3795 ;; Fixme: this should use :active (and maybe :visible).
3797 ["Hide headers" gnus-article-hide-headers t]
3798 ["Hide signature" gnus-article-hide-signature t]
3799 ["Hide citation" gnus-article-hide-citation t]
3800 ["Treat overstrike" gnus-article-treat-overstrike t]
3801 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
3802 ["Remove carriage return" gnus-article-remove-cr t]
3803 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3804 ["Treat html" gnus-article-wash-html t]
3805 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3806 ["Decode HZ" gnus-article-decode-HZ t]))
3808 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3810 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3812 (gnus-run-hooks 'gnus-article-menu-hook)))
3814 (defun gnus-article-mode ()
3815 "Major mode for displaying an article.
3817 All normal editing commands are switched off.
3819 The following commands are available in addition to all summary mode
3821 \\<gnus-article-mode-map>
3822 \\[gnus-article-next-page]\t Scroll the article one page forwards
3823 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3824 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3825 \\[gnus-article-show-summary]\t Display the summary buffer
3826 \\[gnus-article-mail]\t Send a reply to the address near point
3827 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3828 \\[gnus-info-find-node]\t Go to the Gnus info node"
3830 (gnus-simplify-mode-line)
3831 (setq mode-name "Article")
3832 (setq major-mode 'gnus-article-mode)
3833 (make-local-variable 'minor-mode-alist)
3834 (unless (assq 'gnus-show-mime minor-mode-alist)
3835 (push (list 'gnus-show-mime " MIME") minor-mode-alist))
3836 (use-local-map gnus-article-mode-map)
3837 (when (gnus-visual-p 'article-menu 'menu)
3838 (gnus-article-make-menu-bar)
3839 (when gnus-summary-tool-bar-map
3840 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
3841 (gnus-update-format-specifications nil 'article-mode)
3842 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3843 (set (make-local-variable 'gnus-page-broken) nil)
3844 (make-local-variable 'gnus-button-marker-list)
3845 (make-local-variable 'gnus-article-current-summary)
3846 (make-local-variable 'gnus-article-mime-handles)
3847 (make-local-variable 'gnus-article-decoded-p)
3848 (make-local-variable 'gnus-article-mime-handle-alist)
3849 (make-local-variable 'gnus-article-wash-types)
3850 (make-local-variable 'gnus-article-image-alist)
3851 (make-local-variable 'gnus-article-charset)
3852 (make-local-variable 'gnus-article-ignored-charsets)
3853 (gnus-set-default-directory)
3854 (buffer-disable-undo)
3855 (setq buffer-read-only t)
3856 (set-syntax-table gnus-article-mode-syntax-table)
3857 (gnus-run-hooks 'gnus-article-mode-hook))
3859 (defun gnus-article-setup-buffer ()
3860 "Initialize the article buffer."
3861 (let* ((name (if gnus-single-article-buffer "*Article*"
3862 (concat "*Article " gnus-newsgroup-name "*")))
3864 (progn (string-match "\\*Article" name)
3865 (concat " *Original Article"
3866 (substring name (match-end 0))))))
3867 (setq gnus-article-buffer name)
3868 (setq gnus-original-article-buffer original)
3869 (setq gnus-article-mime-handle-alist nil)
3870 ;; This might be a variable local to the summary buffer.
3871 (unless gnus-single-article-buffer
3873 (set-buffer gnus-summary-buffer)
3874 (setq gnus-article-buffer name)
3875 (setq gnus-original-article-buffer original)
3876 (gnus-set-global-variables)))
3877 (gnus-article-setup-highlight-words)
3878 ;; Init original article buffer.
3880 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3881 (set-buffer-multibyte t)
3882 (setq major-mode 'gnus-original-article-mode)
3883 (make-local-variable 'gnus-original-article))
3884 (if (get-buffer name)
3887 (when (and gnus-article-edit-mode
3890 (y-or-n-p "Article mode edit in progress; discard? ")))
3891 (error "Action aborted"))
3892 (set (make-local-variable 'gnus-article-edit-mode) nil)
3893 (buffer-disable-undo)
3894 (setq buffer-read-only t)
3895 ;; This list just keeps growing if we don't reset it.
3896 (setq gnus-button-marker-list nil)
3897 (unless (eq major-mode 'gnus-article-mode)
3898 (gnus-article-mode))
3901 (set-buffer (gnus-get-buffer-create name))
3903 (make-local-variable 'gnus-summary-buffer)
3904 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3905 (current-buffer)))))
3907 ;; Set article window start at LINE, where LINE is the number of lines
3908 ;; from the head of the article.
3909 (defun gnus-article-set-window-start (&optional line)
3911 (gnus-get-buffer-window gnus-article-buffer t)
3913 (set-buffer gnus-article-buffer)
3914 (goto-char (point-min))
3917 (gnus-message 6 "Moved to bookmark")
3918 (search-forward "\n\n" nil t)
3922 ;;; @@ article filters
3925 (defun gnus-article-display-mime-message ()
3926 "Article display method for MIME message."
3927 ;; called from `gnus-original-article-buffer'.
3928 (let (charset all-headers)
3929 (with-current-buffer gnus-summary-buffer
3930 (setq charset default-mime-charset
3931 all-headers gnus-have-all-headers))
3932 (make-local-variable 'default-mime-charset)
3933 (setq default-mime-charset charset)
3934 (with-current-buffer (get-buffer-create gnus-article-buffer)
3935 (make-local-variable 'default-mime-charset)
3936 (setq default-mime-charset charset))
3937 (mime-display-message mime-message-structure
3938 gnus-article-buffer nil gnus-article-mode-map)
3940 (gnus-article-hide-headers nil -1)))
3941 (run-hooks 'gnus-mime-article-prepare-hook))
3943 (defun gnus-article-display-traditional-message ()
3944 "Article display method for traditional message."
3945 (set-buffer gnus-article-buffer)
3946 (let (buffer-read-only)
3948 (insert-buffer-substring gnus-original-article-buffer)))
3950 (defun gnus-article-make-full-mail-header (&optional number charset)
3951 "Create a new mail header structure in a raw article buffer."
3952 (unless (and number charset)
3953 (save-current-buffer
3954 (set-buffer gnus-summary-buffer)
3956 (setq number (or (cdr gnus-article-current) 0)))
3958 (setq charset (or default-mime-charset 'x-ctext)))))
3959 (goto-char (point-min))
3960 (let ((header-end (if (search-forward "\n\n" nil t)
3962 (goto-char (point-max))))
3963 (chars (- (point-max) (point)))
3964 (lines (count-lines (point) (point-max)))
3965 (default-mime-charset charset)
3967 (narrow-to-region (point-min) header-end)
3968 (setq xref (std11-fetch-field "xref"))
3970 (make-full-mail-header
3972 (std11-fetch-field "subject")
3973 (std11-fetch-field "from")
3974 (std11-fetch-field "date")
3975 (std11-fetch-field "message-id")
3976 (std11-fetch-field "references")
3979 (when xref (concat "Xref: " xref)))
3982 (defun gnus-article-prepare (article &optional all-headers header)
3983 "Prepare ARTICLE in article mode buffer.
3984 ARTICLE should either be an article number or a Message-ID.
3985 If ARTICLE is an id, HEADER should be the article headers.
3986 If ALL-HEADERS is non-nil, no headers are hidden."
3988 ;; Make sure we start in a summary buffer.
3989 (unless (eq major-mode 'gnus-summary-mode)
3990 (set-buffer gnus-summary-buffer))
3991 (setq gnus-summary-buffer (current-buffer))
3992 (let* ((gnus-article (if header (mail-header-number header) article))
3993 (summary-buffer (current-buffer))
3994 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
3995 (group gnus-newsgroup-name)
3998 (gnus-article-setup-buffer)
3999 (set-buffer gnus-article-buffer)
4000 ;; Deactivate active regions.
4001 (when (and (boundp 'transient-mark-mode)
4002 transient-mark-mode)
4003 (setq mark-active nil))
4004 (if (not (setq result (let ((buffer-read-only nil))
4005 (gnus-request-article-this-buffer
4007 ;; There is no such article.
4009 (when (and (numberp article)
4010 (not (memq article gnus-newsgroup-sparse)))
4011 (setq gnus-article-current
4012 (cons gnus-newsgroup-name article))
4013 (set-buffer gnus-summary-buffer)
4014 (setq gnus-current-article article)
4015 (if (and (memq article gnus-newsgroup-undownloaded)
4016 (not (gnus-online (gnus-find-method-for-group
4017 gnus-newsgroup-name))))
4019 (gnus-summary-set-agent-mark article)
4020 (message "Message marked for downloading"))
4021 (gnus-summary-mark-article article gnus-canceled-mark)
4022 (unless (memq article gnus-newsgroup-sparse)
4023 (gnus-error 1 "No such article (may have expired or been canceled)")))))
4024 (if (or (eq result 'pseudo)
4025 (eq result 'nneething))
4028 (set-buffer summary-buffer)
4029 (push article gnus-newsgroup-history)
4030 (setq gnus-last-article gnus-current-article
4031 gnus-current-article 0
4032 gnus-current-headers nil
4033 gnus-article-current nil)
4034 (if (eq result 'nneething)
4035 (gnus-configure-windows 'summary)
4036 (gnus-configure-windows 'article))
4037 (gnus-set-global-variables))
4038 (let ((gnus-article-mime-handle-alist-1
4039 gnus-article-mime-handle-alist))
4040 (gnus-set-mode-line 'article)))
4041 ;; The result from the `request' was an actual article -
4042 ;; or at least some text that is now displayed in the
4044 (when (and (numberp article)
4045 (not (eq article gnus-current-article)))
4046 ;; Seems like a new article has been selected.
4047 ;; `gnus-current-article' must be an article number.
4049 (set-buffer summary-buffer)
4050 (push article gnus-newsgroup-history)
4051 (setq gnus-last-article gnus-current-article
4052 gnus-current-article article
4053 gnus-current-headers
4054 (gnus-summary-article-header gnus-current-article)
4055 gnus-article-current
4056 (cons gnus-newsgroup-name gnus-current-article))
4057 (unless (vectorp gnus-current-headers)
4058 (setq gnus-current-headers nil))
4059 (gnus-summary-goto-subject gnus-current-article)
4060 (when (gnus-summary-show-thread)
4061 ;; If the summary buffer really was folded, the
4062 ;; previous goto may not actually have gone to
4063 ;; the right article, but the thread root instead.
4065 (gnus-summary-goto-subject gnus-current-article))
4066 (gnus-run-hooks 'gnus-mark-article-hook)
4067 (gnus-set-mode-line 'summary)
4068 (when (gnus-visual-p 'article-highlight 'highlight)
4069 (gnus-run-hooks 'gnus-visual-mark-article-hook))
4070 ;; Set the global newsgroup variables here.
4071 (gnus-set-global-variables)
4072 (setq gnus-have-all-headers
4073 (or all-headers gnus-show-all-headers))))
4075 (gnus-configure-windows 'article))
4076 (when (or (numberp article)
4078 (gnus-article-prepare-display)
4080 (goto-char (point-min))
4081 (when gnus-break-pages
4082 (gnus-narrow-to-page)))
4083 (let ((gnus-article-mime-handle-alist-1
4084 gnus-article-mime-handle-alist))
4085 (gnus-set-mode-line 'article))
4089 (set-window-point (get-buffer-window (current-buffer)) (point))
4090 (gnus-configure-windows 'article)
4093 (defun gnus-article-prepare-mime-display (&optional number)
4094 (goto-char (point-min))
4095 (when (re-search-forward "^[^\t ]+:" nil t)
4096 (goto-char (match-beginning 0)))
4097 (let ((entity (if (eq 1 (point-min))
4098 (get-text-property 1 'mime-view-entity)
4099 (get-text-property (point) 'mime-view-entity)))
4100 last-entity child-entity next type)
4101 (setq child-entity (mime-entity-children entity))
4103 (setq last-entity (nth (1- (length child-entity))
4105 (setq last-entity entity))
4107 (narrow-to-region (point)
4108 (if (search-forward "\n\n" nil t)
4111 (gnus-treat-article 'head)
4112 (put-text-property (point-min) (point-max) 'article-treated-header t)
4113 (goto-char (point-max)))
4114 (while (and (not (eobp)) entity)
4115 (setq next (set-marker
4117 (next-single-property-change (point) 'mime-view-entity
4119 (let ((types (mime-entity-content-type entity)))
4120 (while (eq 'multipart (mime-content-type-primary-type types))
4121 (setq entity (car (mime-entity-children entity))
4122 types (mime-entity-content-type entity)))
4124 (setq type (format "%s/%s"
4125 (mime-content-type-primary-type types)
4126 (mime-content-type-subtype types)))))
4127 (if (string-equal type "message/rfc822")
4130 (let ((children (mime-entity-children entity))
4133 (setq last-children (nth (1- (length children)) children))
4136 (not (eq last-children
4137 (get-text-property next 'mime-view-entity)))
4139 (next-single-property-change next
4141 nil (point-max)))))))
4142 (setq next (next-single-property-change next 'mime-view-entity
4145 (narrow-to-region (point) next)
4146 (gnus-article-prepare-mime-display)
4147 (goto-char (point-max)))
4148 (setq entity (get-text-property (point) 'mime-view-entity)))
4150 (narrow-to-region (point) next)
4151 ;; Kludge. We have to count true number, but for now,
4152 ;; part number is here only to achieve `last'.
4153 (gnus-treat-article nil 1
4154 (if (eq entity last-entity)
4157 (goto-char (point-max)))
4158 (setq entity (get-text-property next 'mime-view-entity))))))
4161 (defun gnus-article-prepare-display ()
4162 "Make the current buffer look like a nice article."
4163 (let ((gnus-article-buffer (current-buffer))
4165 (unless (eq major-mode 'gnus-article-mode)
4166 (gnus-article-mode))
4167 (setq buffer-read-only nil
4168 gnus-button-marker-list nil
4169 gnus-article-wash-types nil
4170 gnus-article-image-alist nil)
4173 (static-if (featurep 'xemacs)
4174 (map-extents (lambda (extent maparg) (delete-extent extent)))
4175 (let ((lists (overlay-lists)))
4176 (dolist (overlay (nconc (car lists) (cdr lists)))
4177 (delete-overlay overlay)))))
4178 (gnus-run-hooks 'gnus-tmp-internal-hook))
4179 (let ((show-mime (unless (member gnus-newsgroup-name '("nndraft:delayed"
4182 (inhibit-read-only t))
4183 (set-buffer gnus-original-article-buffer)
4185 (setq mime-message-structure gnus-current-headers)
4186 (mime-buffer-entity-set-buffer-internal mime-message-structure
4187 gnus-original-article-buffer)
4188 (mime-entity-set-representation-type-internal mime-message-structure
4189 'mime-buffer-entity)
4190 (luna-send mime-message-structure 'initialize-instance
4191 mime-message-structure)
4193 (let (mime-display-header-hook mime-display-text/plain-hook)
4194 (funcall gnus-article-display-method-for-mime))
4195 (funcall gnus-article-display-method-for-traditional))
4196 ;; Call the treatment functions.
4200 (gnus-article-prepare-mime-display)
4201 (narrow-to-region (goto-char (point-min))
4202 (if (search-forward "\n\n" nil t)
4205 (gnus-treat-article 'head)
4206 (put-text-property (point-min) (point-max) 'article-treated-header t)
4207 (goto-char (point-max))
4209 (narrow-to-region (point) (point-max))
4210 (gnus-treat-article nil))
4211 (put-text-property (point-min) (point-max) 'read-only nil)))
4212 (gnus-run-hooks 'gnus-article-prepare-hook))
4214 (defun gnus-article-decode-article-as-default-mime-charset ()
4215 "Decode an article as `default-mime-charset'. It won't work if the
4216 value of the variable `gnus-show-mime' is non-nil."
4217 (unless (or gnus-show-mime
4218 (member gnus-newsgroup-name '("nndraft:delayed"
4220 (set (make-local-variable 'default-mime-charset)
4221 (with-current-buffer gnus-summary-buffer
4222 default-mime-charset))
4223 (decode-mime-charset-region (point-min) (point-max)
4224 default-mime-charset)))
4227 ;;; Gnus MIME viewing functions
4230 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4231 "Format of the MIME buttons.
4233 Valid specifiers include:
4235 %T MIME type, along with additional info
4236 %n The `name' parameter
4237 %d The description, if any
4238 %l The length of the encoded part
4239 %p The part identifier number
4240 %e Dots if the part isn't displayed
4242 General format specifiers can also be used. See Info node
4243 `(gnus)Formatting Variables'.")
4245 (defvar gnus-mime-button-line-format-alist
4246 '((?t gnus-tmp-type ?s)
4247 (?T gnus-tmp-type-long ?s)
4248 (?n gnus-tmp-name ?s)
4249 (?d gnus-tmp-description ?s)
4251 (?l gnus-tmp-length ?d)
4252 (?e gnus-tmp-dots ?s)))
4254 (defvar gnus-mime-button-commands
4255 '((gnus-article-press-button "\r" "Toggle Display")
4256 (gnus-mime-view-part "v" "View Interactively...")
4257 (gnus-mime-view-part-as-type "t" "View As Type...")
4258 (gnus-mime-view-part-as-charset "C" "View As charset...")
4259 (gnus-mime-save-part "o" "Save...")
4260 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4261 (gnus-mime-delete-part "d" "Delete part")
4262 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4263 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4264 (gnus-mime-view-part-internally "E" "View Internally")
4265 (gnus-mime-view-part-externally "e" "View Externally")
4266 (gnus-mime-print-part "p" "Print")
4267 (gnus-mime-pipe-part "|" "Pipe To Command...")
4268 (gnus-mime-action-on-part "." "Take action on the part...")))
4270 (defun gnus-article-mime-part-status ()
4271 (with-current-buffer gnus-article-buffer
4272 (let ((entity (get-text-property (point-min) 'mime-view-entity))
4275 (setq children (mime-entity-children entity))
4276 (setq children (length children)))
4279 (format " (%d parts)" children))
4282 (defvar gnus-mime-button-map
4283 (let ((map (make-sparse-keymap)))
4284 (define-key map gnus-mouse-2 'gnus-article-push-button)
4285 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4286 (dolist (c gnus-mime-button-commands)
4287 (define-key map (cadr c) (car c)))
4291 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4293 ,@(mapcar (lambda (c)
4294 (vector (caddr c) (car c) :enable t))
4295 gnus-mime-button-commands)))
4297 (defun gnus-mime-button-menu (event prefix)
4298 "Construct a context-sensitive menu of MIME commands."
4299 (interactive "e\nP")
4300 (save-window-excursion
4301 (let ((pos (event-start event)))
4302 (select-window (posn-window pos))
4303 (goto-char (posn-point pos))
4304 (gnus-article-check-buffer)
4305 (popup-menu gnus-mime-button-menu nil prefix))))
4307 (defun gnus-mime-view-all-parts (&optional handles)
4308 "View all the MIME parts."
4310 (with-current-buffer gnus-article-buffer
4311 (let ((handles (or handles gnus-article-mime-handles))
4312 (mail-parse-charset gnus-newsgroup-charset)
4313 (mail-parse-ignored-charsets
4314 (with-current-buffer gnus-summary-buffer
4315 gnus-newsgroup-ignored-charsets)))
4317 (mm-remove-parts handles)
4318 (goto-char (point-min))
4319 (or (search-forward "\n\n") (goto-char (point-max)))
4320 (let (buffer-read-only)
4321 (delete-region (point) (point-max))
4322 (mm-display-parts handles))))))
4325 (defsubst gnus-article-edit-part (handles)
4326 "Edit an article in order to delete a mime part.
4327 This function is exclusively used by `gnus-mime-save-part-and-strip'
4328 and `gnus-mime-delete-part', and not provided at run-time normally."
4329 (gnus-article-edit-article
4332 (let ((mail-parse-charset (or gnus-article-charset
4333 ',gnus-newsgroup-charset))
4334 (mail-parse-ignored-charsets
4335 (or gnus-article-ignored-charsets
4336 ',gnus-newsgroup-ignored-charsets))
4337 (mbl mml-buffer-list))
4338 (setq mml-buffer-list nil)
4339 (insert-buffer gnus-original-article-buffer)
4340 (mime-to-mml ',handles)
4341 (setq gnus-article-mime-handles nil)
4342 (let ((mbl1 mml-buffer-list))
4343 (setq mml-buffer-list mbl)
4344 (set (make-local-variable 'mml-buffer-list) mbl1))
4345 (gnus-make-local-hook 'kill-buffer-hook)
4346 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4347 `(lambda (no-highlight)
4348 (let ((mail-parse-charset (or gnus-article-charset
4349 ',gnus-newsgroup-charset))
4350 (message-options message-options)
4351 (message-options-set-recipient)
4352 (mail-parse-ignored-charsets
4353 (or gnus-article-ignored-charsets
4354 ',gnus-newsgroup-ignored-charsets)))
4356 (mml-destroy-buffers)
4357 (remove-hook 'kill-buffer-hook
4358 'mml-destroy-buffers t)
4359 (kill-local-variable 'mml-buffer-list))
4360 (gnus-summary-edit-article-done
4361 ,(or (mail-header-references gnus-current-headers) "")
4362 ,(gnus-group-read-only-p)
4363 ,gnus-summary-buffer no-highlight)))
4364 (gnus-article-edit-done)
4365 (gnus-summary-expand-window)
4366 (gnus-summary-show-article)))
4368 (defun gnus-mime-save-part-and-strip ()
4369 "Save the MIME part under point then replace it with an external body."
4371 (gnus-article-check-buffer)
4372 (when (gnus-group-read-only-p)
4373 (error "The current group does not support deleting of parts"))
4374 (when (mm-complicated-handles gnus-article-mime-handles)
4376 The current article has a complicated MIME structure, giving up..."))
4377 (when (gnus-yes-or-no-p "\
4378 Deleting parts may malfunction or destroy the article; continue? ")
4379 (let* ((data (get-text-property (point) 'gnus-data))
4381 (handles gnus-article-mime-handles))
4382 (setq file (and data (mm-save-part data)))
4384 (with-current-buffer (mm-handle-buffer data)
4386 (insert "Content-Type: " (mm-handle-media-type data))
4387 (mml-insert-parameter-string (cdr (mm-handle-type data))
4390 (insert "Content-ID: " (message-make-message-id) "\n")
4391 (insert "Content-Transfer-Encoding: binary\n")
4394 (cdr (mm-make-handle nil
4395 `("message/external-body"
4396 (access-type . "LOCAL-FILE")
4398 (set-buffer gnus-summary-buffer)
4399 (gnus-article-edit-part handles)))))
4401 (defun gnus-mime-delete-part ()
4402 "Delete the MIME part under point.
4403 Replace it with some information about the removed part."
4405 (gnus-article-check-buffer)
4406 (when (gnus-group-read-only-p)
4407 (error "The current group does not support deleting of parts"))
4408 (when (mm-complicated-handles gnus-article-mime-handles)
4410 The current article has a complicated MIME structure, giving up..."))
4411 (when (gnus-yes-or-no-p "\
4412 Deleting parts may malfunction or destroy the article; continue? ")
4413 (let* ((data (get-text-property (point) 'gnus-data))
4414 (handles gnus-article-mime-handles)
4418 (mail-decode-encoded-word-string (or (mm-handle-description data)
4421 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4423 (type (mm-handle-media-type data)))
4424 (with-current-buffer (mm-handle-buffer data)
4425 (let ((bsize (format "%s" (buffer-size))))
4430 "| The following attachment has been deleted:\n"
4432 "| Type: " type "\n"
4433 "| Filename: " filename "\n"
4434 "| Size (encoded): " bsize " Byte\n"
4435 "| Description: " description "\n"
4438 (cdr (mm-make-handle
4439 nil `("text/plain") nil nil
4441 (format "Deleted attachment (%s bytes)" bsize))))))
4442 (set-buffer gnus-summary-buffer)
4443 (gnus-article-edit-part handles))))
4445 (defun gnus-mime-save-part ()
4446 "Save the MIME part under point."
4448 (gnus-article-check-buffer)
4449 (let ((data (get-text-property (point) 'gnus-data)))
4451 (mm-save-part data))))
4453 (defun gnus-mime-pipe-part ()
4454 "Pipe the MIME part under point to a process."
4456 (gnus-article-check-buffer)
4457 (let ((data (get-text-property (point) 'gnus-data)))
4459 (mm-pipe-part data))))
4461 (defun gnus-mime-view-part ()
4462 "Interactively choose a viewing method for the MIME part under point."
4464 (gnus-article-check-buffer)
4465 (let ((data (get-text-property (point) 'gnus-data)))
4467 (setq gnus-article-mime-handles
4469 gnus-article-mime-handles (setq data (copy-sequence data))))
4470 (mm-interactively-view-part data))))
4472 (defun gnus-mime-view-part-as-type-internal ()
4473 (gnus-article-check-buffer)
4474 (let* ((name (mail-content-type-get
4475 (mm-handle-type (get-text-property (point) 'gnus-data))
4477 (def-type (and name (mm-default-file-encoding name))))
4478 (and def-type (cons def-type 0))))
4480 (defun gnus-mime-view-part-as-type (&optional mime-type)
4481 "Choose a MIME media type, and view the part as such."
4484 (setq mime-type (completing-read
4485 "View as MIME type: "
4486 (mapcar #'list (mailcap-mime-types))
4488 (gnus-mime-view-part-as-type-internal))))
4489 (gnus-article-check-buffer)
4490 (let ((handle (get-text-property (point) 'gnus-data)))
4493 (mm-make-handle (mm-handle-buffer handle)
4494 (cons mime-type (cdr (mm-handle-type handle)))
4495 (mm-handle-encoding handle)
4496 (mm-handle-undisplayer handle)
4497 (mm-handle-disposition handle)
4498 (mm-handle-description handle)
4500 (mm-handle-id handle)))
4501 (setq gnus-article-mime-handles
4502 (mm-merge-handles gnus-article-mime-handles handle))
4503 (gnus-mm-display-part handle))))
4506 (require 'jka-compr))
4508 ;; jka-compr.el uses a "sh -c" to direct stderr to err-file, but these days
4509 ;; emacs can do that itself.
4511 (defun gnus-mime-jka-compr-maybe-uncompress ()
4512 "Uncompress the current buffer if `auto-compression-mode' is enabled.
4513 The uncompress method used is derived from `buffer-file-name'."
4514 (when (and (fboundp 'jka-compr-installed-p)
4515 (jka-compr-installed-p))
4516 (let ((info (jka-compr-get-compression-info buffer-file-name)))
4518 (let ((basename (file-name-nondirectory buffer-file-name))
4519 (args (jka-compr-info-uncompress-args info))
4520 (prog (jka-compr-info-uncompress-program info))
4521 (message (jka-compr-info-uncompress-message info))
4522 (err-file (jka-compr-make-temp-name)))
4524 (message "%s %s..." message basename))
4526 (unless (memq (apply 'call-process-region
4527 (point-min) (point-max)
4529 t (list t err-file) nil
4531 jka-compr-acceptable-retval-list)
4532 (jka-compr-error prog args basename message err-file))
4533 (jka-compr-delete-temp-file err-file)))))))
4535 (defun gnus-mime-copy-part (&optional handle)
4536 "Put the MIME part under point into a new buffer.
4537 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4540 (gnus-article-check-buffer)
4541 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4542 (contents (and handle (mm-get-part handle)))
4544 (file-name-nondirectory
4546 (mail-content-type-get (mm-handle-type handle) 'name)
4547 (mail-content-type-get (mm-handle-disposition handle)
4550 (buffer (and base (generate-new-buffer base))))
4552 (switch-to-buffer buffer)
4554 ;; We do it this way to make `normal-mode' set the appropriate mode.
4557 (setq buffer-file-name (expand-file-name base))
4558 (gnus-mime-jka-compr-maybe-uncompress)
4560 (setq buffer-file-name nil))
4561 (goto-char (point-min)))))
4563 (defun gnus-mime-print-part (&optional handle filename)
4564 "Print the MIME part under point."
4565 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4566 (gnus-article-check-buffer)
4567 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4568 (contents (and handle (mm-get-part handle)))
4569 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4570 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4575 (mm-save-part-to-file handle file)
4576 (call-process shell-file-name nil
4577 (generate-new-buffer " *mm*")
4579 shell-command-switch
4581 printer file (mm-handle-type handle))))
4585 (gnus-print-buffer))
4586 (ps-despool filename)))))
4588 (defun gnus-mime-inline-part (&optional handle arg)
4589 "Insert the MIME part under point into the current buffer."
4590 (interactive (list nil current-prefix-arg))
4591 (gnus-article-check-buffer)
4592 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4597 (if (and (not arg) (mm-handle-undisplayer handle))
4598 (mm-remove-part handle)
4599 (setq contents (mm-get-part handle))
4602 (setq charset (or (mail-content-type-get
4603 (mm-handle-type handle) 'charset)
4604 gnus-newsgroup-charset)))
4606 (if (mm-handle-undisplayer handle)
4607 (mm-remove-part handle))
4610 gnus-summary-show-article-charset-alist))
4611 (mm-read-coding-system "Charset: ")))))
4613 (mm-insert-inline handle
4615 (setq charset (mm-charset-to-coding-system
4617 (not (eq charset 'ascii)))
4618 (mm-decode-coding-string contents charset)
4622 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4623 "Insert the MIME part under point into the current buffer using the
4625 (interactive (list nil current-prefix-arg))
4626 (gnus-article-check-buffer)
4627 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4632 (if (mm-handle-undisplayer handle)
4633 (mm-remove-part handle))
4634 (let ((gnus-newsgroup-charset
4636 gnus-summary-show-article-charset-alist))
4637 (mm-read-coding-system "Charset: ")))
4638 (gnus-newsgroup-ignored-charsets 'gnus-all))
4639 (gnus-article-press-button)))))
4641 (defun gnus-mime-view-part-externally (&optional handle)
4642 "View the MIME part under point with an external viewer."
4644 (gnus-article-check-buffer)
4645 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4646 (mm-user-display-methods nil)
4647 (mm-inlined-types nil)
4648 (mail-parse-charset gnus-newsgroup-charset)
4649 (mail-parse-ignored-charsets
4650 (with-current-buffer gnus-summary-buffer
4651 gnus-newsgroup-ignored-charsets)))
4653 (if (mm-handle-undisplayer handle)
4654 (mm-remove-part handle)
4655 (mm-display-part handle)))))
4657 (defun gnus-mime-view-part-internally (&optional handle)
4658 "View the MIME part under point with an internal viewer.
4659 If no internal viewer is available, use an external viewer."
4661 (gnus-article-check-buffer)
4662 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4663 (mm-inlined-types '(".*"))
4664 (mm-inline-large-images t)
4665 (mail-parse-charset gnus-newsgroup-charset)
4666 (mail-parse-ignored-charsets
4667 (with-current-buffer gnus-summary-buffer
4668 gnus-newsgroup-ignored-charsets))
4671 (if (mm-handle-undisplayer handle)
4672 (mm-remove-part handle)
4673 (mm-display-part handle)))))
4675 (defun gnus-mime-action-on-part (&optional action)
4676 "Do something with the MIME attachment at \(point\)."
4678 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4679 (gnus-article-check-buffer)
4680 (let ((action-pair (assoc action gnus-mime-action-alist)))
4682 (funcall (cdr action-pair)))))
4684 (defun gnus-article-part-wrapper (n function)
4685 (with-current-buffer gnus-article-buffer
4686 (when (> n (length gnus-article-mime-handle-alist))
4687 (error "No such part"))
4688 (gnus-article-goto-part n)
4689 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4690 (funcall function handle))))
4692 (defun gnus-article-pipe-part (n)
4693 "Pipe MIME part N, which is the numerical prefix."
4695 (gnus-article-part-wrapper n 'mm-pipe-part))
4697 (defun gnus-article-save-part (n)
4698 "Save MIME part N, which is the numerical prefix."
4700 (gnus-article-part-wrapper n 'mm-save-part))
4702 (defun gnus-article-interactively-view-part (n)
4703 "View MIME part N interactively, which is the numerical prefix."
4705 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4707 (defun gnus-article-copy-part (n)
4708 "Copy MIME part N, which is the numerical prefix."
4710 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4712 (defun gnus-article-view-part-as-charset (n)
4713 "View MIME part N using a specified charset.
4714 N is the numerical prefix."
4716 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4718 (defun gnus-article-view-part-externally (n)
4719 "View MIME part N externally, which is the numerical prefix."
4721 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4723 (defun gnus-article-inline-part (n)
4724 "Inline MIME part N, which is the numerical prefix."
4726 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4728 (defun gnus-article-mime-match-handle-first (condition)
4730 (let ((alist gnus-article-mime-handle-alist) ihandle n)
4731 (while (setq ihandle (pop alist))
4733 ((functionp condition)
4734 (funcall condition (cdr ihandle)))
4735 ((eq condition 'undisplayed)
4736 (not (or (mm-handle-undisplayer (cdr ihandle))
4737 (equal (mm-handle-media-type (cdr ihandle))
4738 "multipart/alternative"))))
4739 ((eq condition 'undisplayed-alternative)
4740 (not (mm-handle-undisplayer (cdr ihandle))))
4742 (gnus-article-goto-part (car ihandle))
4743 (or (not n) (< (car ihandle) n)))
4744 (setq n (car ihandle))))
4748 (defun gnus-article-view-part (&optional n)
4749 "View MIME part N, which is the numerical prefix."
4751 (with-current-buffer gnus-article-buffer
4752 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4753 gnus-article-mime-match-handle-function)))
4754 (when (> n (length gnus-article-mime-handle-alist))
4755 (error "No such part"))
4756 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4757 (when (gnus-article-goto-part n)
4758 (if (equal (car handle) "multipart/alternative")
4759 (gnus-article-press-button)
4760 (when (eq (gnus-mm-display-part handle) 'internal)
4761 (gnus-set-window-start)))))))
4763 (defsubst gnus-article-mime-total-parts ()
4764 (if (bufferp (car gnus-article-mime-handles))
4766 (1- (length gnus-article-mime-handles))))
4768 (defun gnus-mm-display-part (handle)
4769 "Display HANDLE and fix MIME button."
4770 (let ((id (get-text-property (point) 'gnus-part))
4775 (let ((window (selected-window))
4776 (mail-parse-charset gnus-newsgroup-charset)
4777 (mail-parse-ignored-charsets
4778 (if (gnus-buffer-live-p gnus-summary-buffer)
4779 (with-current-buffer gnus-summary-buffer
4780 gnus-newsgroup-ignored-charsets)
4784 (let ((win (gnus-get-buffer-window (current-buffer) t))
4787 (select-window win))
4790 (if (mm-handle-displayed-p handle)
4791 ;; This will remove the part.
4792 (mm-display-part handle)
4794 (narrow-to-region (point)
4795 (if (eobp) (point) (1+ (point))))
4796 (mm-display-part handle)
4797 ;; We narrow to the part itself and
4798 ;; then call the treatment functions.
4799 (goto-char (point-min))
4801 (narrow-to-region (point) (point-max))
4804 (gnus-article-mime-total-parts)
4805 (mm-handle-media-type handle)))))
4806 (if (window-live-p window)
4807 (select-window window)))))
4810 (gnus-insert-mime-button
4811 handle id (list (mm-handle-displayed-p handle)))
4812 (goto-char point))))
4814 (defun gnus-article-goto-part (n)
4815 "Go to MIME part N."
4816 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
4818 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4819 (let ((gnus-tmp-name
4820 (or (mail-content-type-get (mm-handle-type handle) 'name)
4821 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4822 (mail-content-type-get (mm-handle-type handle) 'url)
4824 (gnus-tmp-type (mm-handle-media-type handle))
4825 (gnus-tmp-description
4826 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4829 (if (if displayed (car displayed)
4830 (mm-handle-displayed-p handle))
4832 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4834 gnus-tmp-type-long b e)
4835 (when (string-match ".*/" gnus-tmp-name)
4836 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4837 (setq gnus-tmp-type-long (concat gnus-tmp-type
4838 (and (not (equal gnus-tmp-name ""))
4839 (concat "; " gnus-tmp-name))))
4840 (unless (equal gnus-tmp-description "")
4841 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4846 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4847 `(keymap ,gnus-mime-button-map
4848 gnus-callback gnus-mm-display-part
4849 gnus-part ,gnus-tmp-id
4850 article-type annotation
4853 ;; Exclude a newline.
4856 (widget-convert-button
4859 :action 'gnus-widget-press-button
4860 :button-keymap gnus-mime-button-map
4862 (lambda (widget/window &optional overlay pos)
4863 ;; Needed to properly clear the message due to a bug in
4864 ;; wid-edit (XEmacs only).
4865 (if (boundp 'help-echo-owns-message)
4866 (setq help-echo-owns-message t))
4868 "%S: %s the MIME part; %S: more options"
4869 (aref gnus-mouse-2 0)
4870 ;; XEmacs will get a single widget arg; Emacs 21 will get
4871 ;; window, overlay, position.
4872 (if (mm-handle-displayed-p
4874 (with-current-buffer (gnus-overlay-buffer overlay)
4875 (widget-get (widget-at (gnus-overlay-start overlay))
4877 (widget-get widget/window :mime-handle)))
4879 (aref gnus-down-mouse-3 0))))))
4881 (defun gnus-widget-press-button (elems el)
4882 (goto-char (widget-get elems :from))
4883 (gnus-article-press-button))
4885 (defvar gnus-displaying-mime nil)
4887 (defun gnus-display-mime (&optional ihandles)
4888 "Display the MIME parts."
4890 (save-selected-window
4891 (let ((window (get-buffer-window gnus-article-buffer))
4894 (select-window window)
4895 ;; We have to do this since selecting the window
4896 ;; may change the point. So we set the window point.
4897 (set-window-point window point)))
4898 (let* ((handles (or ihandles
4899 (mm-dissect-buffer nil gnus-article-loose-mime)
4900 (and gnus-article-emulate-mime
4902 buffer-read-only handle name type b e display)
4903 (when (and (not ihandles)
4904 (not gnus-displaying-mime))
4905 ;; Top-level call; we clean up.
4906 (when gnus-article-mime-handles
4907 (mm-destroy-parts gnus-article-mime-handles)
4908 (setq gnus-article-mime-handle-alist nil));; A trick.
4909 (setq gnus-article-mime-handles handles)
4910 ;; We allow users to glean info from the handles.
4911 (when gnus-article-mime-part-function
4912 (gnus-mime-part-function handles)))
4914 (or (not (stringp (car handles)))
4917 (when (and (not ihandles)
4918 (not gnus-displaying-mime))
4919 ;; Clean up for mime parts.
4921 (delete-region (point) (point-max)))
4922 (let ((gnus-displaying-mime t))
4923 (gnus-mime-display-part handles)))
4926 (narrow-to-region (point) (point-max))
4927 (gnus-treat-article nil 1 1)
4930 ;; Highlight the headers.
4934 (narrow-to-region (point-min) (point))
4935 (gnus-treat-article 'head))))))))
4937 (defcustom gnus-mime-display-multipart-as-mixed nil
4938 "Display \"multipart\" parts as \"multipart/mixed\".
4940 If t, it overrides nil values of
4941 `gnus-mime-display-multipart-alternative-as-mixed' and
4942 `gnus-mime-display-multipart-related-as-mixed'."
4943 :group 'gnus-article-mime
4946 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
4947 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
4948 :group 'gnus-article-mime
4951 (defcustom gnus-mime-display-multipart-related-as-mixed nil
4952 "Display \"multipart/related\" parts as \"multipart/mixed\".
4954 If displaying \"text/html\" is discouraged \(see
4955 `mm-discouraged-alternatives'\) images or other material inside a
4956 \"multipart/related\" part might be overlooked when this variable is nil."
4957 :group 'gnus-article-mime
4960 (defun gnus-mime-display-part (handle)
4963 ((not (stringp (car handle)))
4964 (gnus-mime-display-single handle))
4965 ;; User-defined multipart
4966 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
4967 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
4969 ;; multipart/alternative
4970 ((and (equal (car handle) "multipart/alternative")
4971 (not (or gnus-mime-display-multipart-as-mixed
4972 gnus-mime-display-multipart-alternative-as-mixed)))
4973 (let ((id (1+ (length gnus-article-mime-handle-alist))))
4974 (push (cons id handle) gnus-article-mime-handle-alist)
4975 (gnus-mime-display-alternative (cdr handle) nil nil id)))
4976 ;; multipart/related
4977 ((and (equal (car handle) "multipart/related")
4978 (not (or gnus-mime-display-multipart-as-mixed
4979 gnus-mime-display-multipart-related-as-mixed)))
4980 ;;;!!!We should find the start part, but we just default
4981 ;;;!!!to the first part.
4982 ;;(gnus-mime-display-part (cadr handle))
4983 ;;;!!! Most multipart/related is an HTML message plus images.
4984 ;;;!!! Unfortunately we are unable to let W3 display those
4985 ;;;!!! included images, so we just display it as a mixed multipart.
4986 ;;(gnus-mime-display-mixed (cdr handle))
4987 ;;;!!! No, w3 can display everything just fine.
4988 (gnus-mime-display-part (cadr handle)))
4989 ((equal (car handle) "multipart/signed")
4990 (gnus-add-wash-type 'signed)
4991 (gnus-mime-display-security handle))
4992 ((equal (car handle) "multipart/encrypted")
4993 (gnus-add-wash-type 'encrypted)
4994 (gnus-mime-display-security handle))
4995 ;; Other multiparts are handled like multipart/mixed.
4997 (gnus-mime-display-mixed (cdr handle)))))
4999 (defun gnus-mime-part-function (handles)
5000 (if (stringp (car handles))
5001 (mapcar 'gnus-mime-part-function (cdr handles))
5002 (funcall gnus-article-mime-part-function handles)))
5004 (defun gnus-mime-display-mixed (handles)
5005 (mapcar 'gnus-mime-display-part handles))
5007 (defun gnus-mime-display-single (handle)
5008 (let ((type (mm-handle-media-type handle))
5009 (ignored gnus-ignored-mime-types)
5016 (when (string-match (pop ignored) type)
5017 (throw 'ignored nil)))
5018 (if (and (setq not-attachment
5019 (and (not (mm-inline-override-p handle))
5020 (or (not (mm-handle-disposition handle))
5021 (equal (car (mm-handle-disposition handle))
5023 (mm-attachment-override-p handle))))
5024 (mm-automatic-display-p handle)
5026 (mm-inlinable-p handle)
5027 (mm-inlined-p handle))
5028 (mm-automatic-external-display-p type)))
5030 (when (equal (mm-handle-media-supertype handle) "text")
5032 (let ((id (1+ (length gnus-article-mime-handle-alist)))
5034 (push (cons id handle) gnus-article-mime-handle-alist)
5035 (when (or (not display)
5036 (not (gnus-unbuttonized-mime-type-p type)))
5037 (gnus-insert-mime-button
5038 handle id (list (or display (and not-attachment text))))
5039 (gnus-article-insert-newline)
5040 ;; Remember modify the number of forward lines.
5048 (let ((mail-parse-charset gnus-newsgroup-charset)
5049 (mail-parse-ignored-charsets
5050 (save-excursion (condition-case ()
5051 (set-buffer gnus-summary-buffer)
5053 gnus-newsgroup-ignored-charsets)))
5054 (mm-display-part handle t))
5055 (goto-char (point-max)))
5056 ((and text not-attachment)
5060 (gnus-article-insert-newline)
5061 (mm-insert-inline handle (mm-get-part handle))
5062 (goto-char (point-max))))
5066 (narrow-to-region beg (point))
5069 (gnus-article-mime-total-parts)
5070 (mm-handle-media-type handle)))))))))
5072 (defun gnus-unbuttonized-mime-type-p (type)
5073 "Say whether TYPE is to be unbuttonized."
5074 (unless gnus-inhibit-mime-unbuttonizing
5076 (let ((types gnus-unbuttonized-mime-types))
5078 (when (string-match (pop types) type)
5079 (throw 'found t)))))
5081 (let ((types gnus-buttonized-mime-types))
5083 (when (string-match (pop types) type)
5084 (throw 'found t)))))))))
5086 (defun gnus-article-insert-newline ()
5087 "Insert a newline, but mark it as undeletable."
5088 (gnus-put-text-property
5089 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
5091 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
5092 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
5095 handle buffer-read-only from props begend not-pref)
5096 (save-window-excursion
5099 (narrow-to-region (car ibegend)
5102 (goto-char (car ibegend))
5105 (delete-region (point-min) (point-max))
5106 (mm-remove-parts handles))
5107 (setq begend (list (point-marker)))
5109 (unless (setq not-pref (cadr (member preferred ihandles)))
5110 (setq not-pref (car ihandles)))
5113 (not (gnus-unbuttonized-mime-type-p
5114 "multipart/alternative")))
5115 (gnus-add-text-properties
5118 (insert (format "%d. " id))
5122 (unless ,(not ibegend)
5123 (setq gnus-article-mime-handle-alist
5124 ',gnus-article-mime-handle-alist))
5125 (gnus-mime-display-alternative
5126 ',ihandles ',not-pref ',begend ,id))
5127 keymap ,gnus-mime-button-map
5128 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5129 face ,gnus-article-button-face
5132 (widget-convert-button 'link from (point)
5133 :action 'gnus-widget-press-button
5134 :button-keymap gnus-widget-button-keymap)
5136 (while (setq handle (pop handles))
5137 (gnus-add-text-properties
5140 (insert (format "(%c) %-18s"
5141 (if (equal handle preferred) ?* ? )
5142 (mm-handle-media-type handle)))
5146 (unless ,(not ibegend)
5147 (setq gnus-article-mime-handle-alist
5148 ',gnus-article-mime-handle-alist))
5149 (gnus-mime-display-alternative
5150 ',ihandles ',handle ',begend ,id))
5151 keymap ,gnus-mime-button-map
5152 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5153 face ,gnus-article-button-face
5156 (widget-convert-button 'link from (point)
5157 :action 'gnus-widget-press-button
5158 :button-keymap gnus-widget-button-keymap)
5162 (if (stringp (car preferred))
5163 (gnus-display-mime preferred)
5164 (let ((mail-parse-charset gnus-newsgroup-charset)
5165 (mail-parse-ignored-charsets
5166 (with-current-buffer gnus-summary-buffer
5167 gnus-newsgroup-ignored-charsets)))
5168 (mm-display-part preferred)
5172 (narrow-to-region (car begend) (point-max))
5174 nil (length gnus-article-mime-handle-alist)
5175 (gnus-article-mime-total-parts)
5176 (mm-handle-media-type handle))))))
5177 (goto-char (point-max))
5178 (setcdr begend (point-marker)))))
5180 (goto-char point))))
5182 (defconst gnus-article-wash-status-strings
5183 (let ((alist '((cite "c" "Possible hidden citation text"
5184 " " "All citation text visible")
5185 (headers "h" "Hidden headers"
5186 " " "All headers visible.")
5187 (pgp "p" "Encrypted or signed message status hidden"
5188 " " "No hidden encryption nor digital signature status")
5189 (signature "s" "Signature has been hidden"
5190 " " "Signature is visible")
5191 (overstrike "o" "Overstrike (^H) characters applied"
5192 " " "No overstrike characters applied")
5193 (gnus-show-mime "m" "Mime processing is activated"
5194 " " "Mime processing is not activated")
5195 (emphasis "e" "/*_Emphasis_*/ characters applied"
5196 " " "No /*_emphasis_*/ characters applied")))
5198 (dolist (entry alist result)
5199 (let ((key (nth 0 entry))
5200 (on (copy-sequence (nth 1 entry)))
5201 (on-help (nth 2 entry))
5202 (off (copy-sequence (nth 3 entry)))
5203 (off-help (nth 4 entry)))
5204 (put-text-property 0 1 'help-echo on-help on)
5205 (put-text-property 0 1 'help-echo off-help off)
5206 (push (list key on off) result))))
5207 "Alist of strings describing wash status in the mode line.
5208 Each entry has the form (KEY ON OF), where the KEY is a symbol
5209 representing the particular washing function, ON is the string to use
5210 in the article mode line when the washing function is active, and OFF
5211 is the string to use when it is inactive.")
5213 (defun gnus-article-wash-status-entry (key value)
5214 (let ((entry (assoc key gnus-article-wash-status-strings)))
5215 (if value (nth 1 entry) (nth 2 entry))))
5217 (defun gnus-article-wash-status ()
5218 "Return a string which display status of article washing."
5219 (with-current-buffer gnus-article-buffer
5220 (let ((cite (memq 'cite gnus-article-wash-types))
5221 (headers (memq 'headers gnus-article-wash-types))
5222 (boring (memq 'boring-headers gnus-article-wash-types))
5223 (pgp (memq 'pgp gnus-article-wash-types))
5224 (pem (memq 'pem gnus-article-wash-types))
5225 (signed (memq 'signed gnus-article-wash-types))
5226 (encrypted (memq 'encrypted gnus-article-wash-types))
5227 (signature (memq 'signature gnus-article-wash-types))
5228 (overstrike (memq 'overstrike gnus-article-wash-types))
5229 (emphasis (memq 'emphasis gnus-article-wash-types)))
5231 (gnus-article-wash-status-entry 'cite cite)
5232 (gnus-article-wash-status-entry 'headers (or headers boring))
5233 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
5234 (gnus-article-wash-status-entry 'signature signature)
5235 (gnus-article-wash-status-entry 'overstrike overstrike)
5236 (gnus-article-wash-status-entry 'gnus-show-mime gnus-show-mime)
5237 (gnus-article-wash-status-entry 'emphasis emphasis)))))
5239 (defun gnus-add-wash-type (type)
5240 "Add a washing of TYPE to the current status."
5241 (add-to-list 'gnus-article-wash-types type))
5243 (defun gnus-delete-wash-type (type)
5244 "Add a washing of TYPE to the current status."
5245 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
5247 (defun gnus-add-image (category image)
5248 "Add IMAGE of CATEGORY to the list of displayed images."
5249 (let ((entry (assq category gnus-article-image-alist)))
5251 (setq entry (list category))
5252 (push entry gnus-article-image-alist))
5253 (nconc entry (list image))))
5255 (defun gnus-delete-images (category)
5256 "Delete all images in CATEGORY."
5257 (let ((entry (assq category gnus-article-image-alist)))
5258 (dolist (image (cdr entry))
5259 (gnus-remove-image image category))
5260 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
5261 (gnus-delete-wash-type category)))
5263 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
5265 (defun gnus-article-maybe-hide-headers ()
5266 "Hide unwanted headers if `gnus-have-all-headers' is nil.
5267 Provided for backwards compatibility."
5268 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
5269 (not (with-current-buffer gnus-summary-buffer
5270 gnus-have-all-headers)))
5271 (not gnus-inhibit-hiding))
5272 (gnus-article-hide-headers)))
5276 (defun gnus-output-to-file (file-name)
5277 "Append the current article to a file named FILE-NAME."
5278 (let ((artbuf (current-buffer)))
5280 (insert-buffer-substring artbuf)
5281 ;; Append newline at end of the buffer as separator, and then
5283 (goto-char (point-max))
5285 (let ((file-name-coding-system nnmail-pathname-coding-system))
5286 (write-region-as-binary (point-min) (point-max) file-name 'append))
5289 (defun gnus-narrow-to-page (&optional arg)
5290 "Narrow the article buffer to a page.
5291 If given a numerical ARG, move forward ARG pages."
5293 (setq arg (if arg (prefix-numeric-value arg) 0))
5295 (set-buffer gnus-article-buffer)
5296 (goto-char (point-min))
5298 ;; Remove any old next/prev buttons.
5299 (when (gnus-visual-p 'page-marker)
5300 (let ((buffer-read-only nil))
5301 (gnus-remove-text-with-property 'gnus-prev)
5302 (gnus-remove-text-with-property 'gnus-next)))
5305 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
5307 (re-search-forward page-delimiter nil 'move arg)))
5308 (goto-char (match-end 0))
5310 (goto-char (point-min))
5311 (setq gnus-page-broken
5312 (and (re-search-forward page-delimiter nil t) t))))
5313 (when gnus-page-broken
5316 (if (re-search-forward page-delimiter nil 'move)
5319 (when (and (gnus-visual-p 'page-marker)
5320 (not (= (point-min) 1)))
5322 (goto-char (point-min))
5323 (gnus-insert-prev-page-button)))
5324 (when (and (gnus-visual-p 'page-marker)
5325 (< (+ (point-max) 2) (buffer-size)))
5327 (goto-char (point-max))
5328 (gnus-insert-next-page-button))))))
5330 ;; Article mode commands
5332 (defun gnus-article-goto-next-page ()
5333 "Show the next page of the article."
5335 (when (gnus-article-next-page)
5336 (goto-char (point-min))
5337 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
5340 (defun gnus-article-goto-prev-page ()
5341 "Show the previous page of the article."
5344 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
5345 (gnus-article-prev-page nil)))
5347 ;; This is cleaner but currently breaks `gnus-pick-mode':
5349 ;; (defun gnus-article-goto-next-page ()
5350 ;; "Show the next page of the article."
5352 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5353 ;; (gnus-summary-next-page)))
5355 ;; (defun gnus-article-goto-prev-page ()
5356 ;; "Show the next page of the article."
5358 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5359 ;; (gnus-summary-prev-page)))
5361 (defun gnus-article-next-page (&optional lines)
5362 "Show the next page of the current article.
5363 If end of article, return non-nil. Otherwise return nil.
5364 Argument LINES specifies lines to be scrolled up."
5366 (move-to-window-line -1)
5369 (and (pos-visible-in-window-p) ;Not continuation line.
5370 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
5371 ;; Nothing in this page.
5372 (if (or (not gnus-page-broken)
5376 (eobp)))) ;Real end-of-buffer?
5378 (when gnus-article-over-scroll
5379 (gnus-article-next-page-1 lines))
5381 (gnus-narrow-to-page 1) ;Go to next page.
5383 ;; More in this page.
5384 (gnus-article-next-page-1 lines)
5387 (defun gnus-article-next-page-1 (lines)
5388 (let ((scroll-in-place nil))
5392 ;; Long lines may cause an end-of-buffer error.
5393 (goto-char (point-max)))))
5394 (move-to-window-line 0))
5396 (defun gnus-article-prev-page (&optional lines)
5397 "Show previous page of current article.
5398 Argument LINES specifies lines to be scrolled down."
5400 (move-to-window-line 0)
5401 (if (and gnus-page-broken
5403 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
5405 (gnus-narrow-to-page -1) ;Go to previous page.
5406 (goto-char (point-max))
5408 (let ((scroll-in-place nil))
5412 (beginning-of-buffer
5413 (goto-char (point-min))))
5414 (move-to-window-line 0)))))
5416 (defun gnus-article-only-boring-p ()
5417 "Decide whether there is only boring text remaining in the article.
5418 Something \"interesting\" is a word of at least two letters that does
5419 not have a face in `gnus-article-boring-faces'."
5420 (when (and gnus-article-skip-boring
5421 (boundp 'gnus-article-boring-faces)
5422 (symbol-value 'gnus-article-boring-faces))
5425 (while (re-search-forward "\\b\\w\\w" nil t)
5427 (when (not (gnus-intersection
5428 (gnus-faces-at (point))
5429 (symbol-value 'gnus-article-boring-faces)))
5430 (throw 'only-boring nil)))
5431 (throw 'only-boring t)))))
5433 (defun gnus-article-refer-article ()
5434 "Read article specified by message-id around point."
5437 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
5438 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
5439 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
5440 (let ((msg-id (concat "<" (match-string 0) ">")))
5441 (set-buffer gnus-summary-buffer)
5442 (gnus-summary-refer-article msg-id))
5443 (error "No references around point"))))
5445 (defun gnus-article-show-summary ()
5446 "Reconfigure windows to show summary buffer."
5448 (if (not (gnus-buffer-live-p gnus-summary-buffer))
5449 (error "There is no summary buffer for this article buffer")
5450 (gnus-article-set-globals)
5451 (gnus-configure-windows 'article)
5452 (gnus-summary-goto-subject gnus-current-article)
5453 (gnus-summary-position-point)))
5455 (defun gnus-article-describe-briefly ()
5456 "Describe article mode commands briefly."
5458 (gnus-message 6 (substitute-command-keys "\\<gnus-article-mode-map>\\[gnus-article-goto-next-page]:Next page \\[gnus-article-goto-prev-page]:Prev page \\[gnus-article-show-summary]:Show summary \\[gnus-info-find-node]:Run Info \\[gnus-article-describe-briefly]:This help")))
5460 (defun gnus-article-summary-command ()
5461 "Execute the last keystroke in the summary buffer."
5463 (let ((obuf (current-buffer))
5464 (owin (current-window-configuration))
5466 (switch-to-buffer gnus-article-current-summary 'norecord)
5467 (setq func (lookup-key (current-local-map) (this-command-keys)))
5468 (call-interactively func)
5470 (set-window-configuration owin)
5471 (set-window-point (get-buffer-window (current-buffer)) (point))))
5473 (defun gnus-article-summary-command-nosave ()
5474 "Execute the last keystroke in the summary buffer."
5477 (pop-to-buffer gnus-article-current-summary 'norecord)
5478 (setq func (lookup-key (current-local-map) (this-command-keys)))
5479 (call-interactively func)))
5481 (defun gnus-article-check-buffer ()
5482 "Beep if not in an article buffer."
5483 (unless (eq (get-buffer gnus-article-buffer) (current-buffer))
5484 (error "Command invoked outside of a Gnus article buffer")))
5486 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
5487 "Read a summary buffer key sequence and execute it from the article buffer."
5489 (gnus-article-check-buffer)
5491 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
5492 "Zc" "ZC" "ZE" "ZJ" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
5493 "=" "^" "\M-^" "|"))
5499 '("n" "Gn" "p" "Gp"))
5502 (set-buffer gnus-article-current-summary)
5503 (let (gnus-pick-mode)
5504 (push (or key last-command-event) unread-command-events)
5505 (setq keys (static-if (featurep 'xemacs)
5506 (events-to-keys (read-key-sequence nil))
5507 (read-key-sequence nil)))))
5510 (if (or (member keys nosaves)
5511 (member keys nosave-but-article)
5512 (member keys nosave-in-article))
5514 (save-window-excursion
5515 (pop-to-buffer gnus-article-current-summary 'norecord)
5516 ;; We disable the pick minor mode commands.
5517 (let (gnus-pick-mode)
5518 (setq func (lookup-key (current-local-map) keys))))
5522 (unless (member keys nosave-in-article)
5523 (set-buffer gnus-article-current-summary))
5524 (call-interactively func)
5525 (setq new-sum-point (point)))
5526 (when (member keys nosave-but-article)
5527 (pop-to-buffer gnus-article-buffer 'norecord)))
5528 ;; These commands should restore window configuration.
5529 (let ((obuf (current-buffer))
5530 (owin (current-window-configuration))
5532 win func in-buffer selected new-sum-start new-sum-hscroll)
5533 (cond (not-restore-window
5534 (pop-to-buffer gnus-article-current-summary 'norecord))
5535 ((setq win (get-buffer-window gnus-article-current-summary))
5536 (select-window win))
5538 (switch-to-buffer gnus-article-current-summary 'norecord)))
5539 (setq in-buffer (current-buffer))
5540 ;; We disable the pick minor mode commands.
5541 (if (and (setq func (let (gnus-pick-mode)
5542 (lookup-key (current-local-map) keys)))
5545 (call-interactively func)
5546 (when (eq win (selected-window))
5547 (setq new-sum-point (point)
5548 new-sum-start (window-start win)
5549 new-sum-hscroll (window-hscroll win))
5550 (when (eq in-buffer (current-buffer))
5551 (setq selected (gnus-summary-select-article))
5553 (unless not-restore-window
5554 (set-window-configuration owin))
5555 (when (eq selected 'old)
5557 (set-window-start (get-buffer-window (current-buffer))
5559 (set-window-point (get-buffer-window (current-buffer))
5561 (when (and (not not-restore-window)
5563 (set-window-point win new-sum-point)
5564 (set-window-start win new-sum-start)
5565 (set-window-hscroll win new-sum-hscroll)))))
5566 (set-window-configuration owin)
5569 (defun gnus-article-describe-key (key)
5570 "Display documentation of the function invoked by KEY. KEY is a string."
5571 (interactive "kDescribe key: ")
5572 (gnus-article-check-buffer)
5573 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5575 (set-buffer gnus-article-current-summary)
5576 (let (gnus-pick-mode)
5577 (if (featurep 'xemacs)
5579 (push (elt key 0) unread-command-events)
5580 (setq key (events-to-keys
5581 (read-key-sequence "Describe key: "))))
5582 (setq unread-command-events
5584 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5586 (setq key (read-key-sequence "Describe key: "))))
5588 (describe-key key)))
5590 (defun gnus-article-describe-key-briefly (key &optional insert)
5591 "Display documentation of the function invoked by KEY. KEY is a string."
5592 (interactive "kDescribe key: \nP")
5593 (gnus-article-check-buffer)
5594 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5596 (set-buffer gnus-article-current-summary)
5597 (let (gnus-pick-mode)
5598 (if (featurep 'xemacs)
5600 (push (elt key 0) unread-command-events)
5601 (setq key (events-to-keys
5602 (read-key-sequence "Describe key: "))))
5603 (setq unread-command-events
5605 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5607 (setq key (read-key-sequence "Describe key: "))))
5608 (describe-key-briefly key insert))
5609 (describe-key-briefly key insert)))
5611 (defun gnus-article-reply-with-original (&optional wide)
5612 "Start composing a reply mail to the current message.
5613 The text in the region will be yanked. If the region isn't active,
5614 the entire article will be yanked."
5616 (let ((article (cdr gnus-article-current))
5618 (if (not (gnus-mark-active-p))
5619 (with-current-buffer gnus-summary-buffer
5620 (gnus-summary-reply (list (list article)) wide))
5621 (setq contents (buffer-substring (point) (mark t)))
5622 ;; Deactivate active regions.
5623 (when (and (boundp 'transient-mark-mode)
5624 transient-mark-mode)
5625 (setq mark-active nil))
5626 (with-current-buffer gnus-summary-buffer
5628 (list (list article contents)) wide)))))
5630 (defun gnus-article-followup-with-original ()
5631 "Compose a followup to the current article.
5632 The text in the region will be yanked. If the region isn't active,
5633 the entire article will be yanked."
5635 (let ((article (cdr gnus-article-current))
5637 (if (not (gnus-mark-active-p))
5638 (with-current-buffer gnus-summary-buffer
5639 (gnus-summary-followup (list (list article))))
5640 (setq contents (buffer-substring (point) (mark t)))
5641 ;; Deactivate active regions.
5642 (when (and (boundp 'transient-mark-mode)
5643 transient-mark-mode)
5644 (setq mark-active nil))
5645 (with-current-buffer gnus-summary-buffer
5646 (gnus-summary-followup
5647 (list (list article contents)))))))
5649 (defun gnus-article-hide (&optional arg force)
5650 "Hide all the gruft in the current article.
5651 This means that signatures, cited text and (some) headers will be
5653 If given a prefix, show the hidden text instead."
5654 (interactive (append (gnus-article-hidden-arg) (list 'force)))
5655 (gnus-article-hide-headers arg)
5656 (gnus-article-hide-list-identifiers arg)
5657 (gnus-article-hide-citation-maybe arg force)
5658 (gnus-article-hide-signature arg))
5660 (defun gnus-article-maybe-highlight ()
5661 "Do some article highlighting if article highlighting is requested."
5662 (when (gnus-visual-p 'article-highlight 'highlight)
5663 (gnus-article-highlight-some)))
5665 (defun gnus-check-group-server ()
5666 ;; Make sure the connection to the server is alive.
5667 (unless (gnus-server-opened
5668 (gnus-find-method-for-group gnus-newsgroup-name))
5669 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5670 (gnus-request-group gnus-newsgroup-name t)))
5673 (autoload 'nneething-get-file-name "nneething"))
5675 (defun gnus-request-article-this-buffer (article group)
5676 "Get an article and insert it into this buffer."
5677 (let (do-update-line sparse-header)
5681 (gnus-kill-all-overlays)
5682 (setq group (or group gnus-newsgroup-name))
5684 ;; Using `gnus-request-article' directly will insert the article into
5685 ;; `nntp-server-buffer' - so we'll save some time by not having to
5686 ;; copy it from the server buffer into the article buffer.
5688 ;; We only request an article by message-id when we do not have the
5689 ;; headers for it, so we'll have to get those.
5690 (when (stringp article)
5691 (gnus-read-header article))
5693 ;; If the article number is negative, that means that this article
5694 ;; doesn't belong in this newsgroup (possibly), so we find its
5695 ;; message-id and request it by id instead of number.
5696 (when (and (numberp article)
5698 (get-buffer gnus-summary-buffer)
5699 (gnus-buffer-exists-p gnus-summary-buffer))
5701 (set-buffer gnus-summary-buffer)
5702 (let ((header (gnus-summary-article-header article)))
5705 ((memq article gnus-newsgroup-sparse)
5706 ;; This is a sparse gap article.
5707 (setq do-update-line article)
5708 (setq article (mail-header-id header))
5709 (setq sparse-header (gnus-read-header article))
5710 (setq gnus-newsgroup-sparse
5711 (delq article gnus-newsgroup-sparse)))
5713 ;; It's a real article.
5714 (setq article (mail-header-id header)))
5716 ;; It is an extracted pseudo-article.
5717 (setq article 'pseudo)
5718 (gnus-request-pseudo-article header))))
5720 (let ((method (gnus-find-method-for-group
5721 gnus-newsgroup-name)))
5722 (when (and (eq (car method) 'nneething)
5724 (let ((dir (nneething-get-file-name
5725 (mail-header-id header))))
5726 (when (and (stringp dir)
5727 (file-directory-p dir))
5728 (setq article 'nneething)
5729 (gnus-group-enter-directory dir))))))))
5732 ;; Refuse to select canceled articles.
5733 ((and (numberp article)
5735 (get-buffer gnus-summary-buffer)
5736 (gnus-buffer-exists-p gnus-summary-buffer)
5737 (eq (cdr (with-current-buffer gnus-summary-buffer
5738 (assq article gnus-newsgroup-reads)))
5739 gnus-canceled-mark))
5741 ;; We first check `gnus-original-article-buffer'.
5742 ((and (get-buffer gnus-original-article-buffer)
5744 (with-current-buffer gnus-original-article-buffer
5745 (and (equal (car gnus-original-article) group)
5746 (eq (cdr gnus-original-article) article))))
5747 (insert-buffer-substring gnus-original-article-buffer)
5749 ;; Check the backlog.
5750 ((and gnus-keep-backlog
5751 (gnus-backlog-request-article group article (current-buffer)))
5753 ;; Check asynchronous pre-fetch.
5754 ((gnus-async-request-fetched-article group article (current-buffer))
5755 (gnus-async-prefetch-next group article gnus-summary-buffer)
5756 (when (and (numberp article) gnus-keep-backlog)
5757 (gnus-backlog-enter-article group article (current-buffer)))
5760 ((and gnus-use-cache
5762 (gnus-cache-request-article article group))
5764 ;; Check the agent cache.
5765 ((gnus-agent-request-article article group)
5767 ;; Get the article and put into the article buffer.
5768 ((or (stringp article)
5770 (let ((gnus-override-method gnus-override-method)
5771 (methods (and (stringp article)
5772 gnus-refer-article-method))
5773 (backend (car (gnus-find-method-for-group
5774 gnus-newsgroup-name)))
5776 (buffer-read-only nil))
5777 (if (or (not (listp methods))
5778 (and (symbolp (car methods))
5779 (assq (car methods) nnoo-definition-alist)))
5780 (setq methods (list methods)))
5781 (when (and (null gnus-override-method)
5783 (setq gnus-override-method (pop methods)))
5785 (when (eq gnus-override-method 'current)
5786 (setq gnus-override-method
5787 (with-current-buffer gnus-summary-buffer
5788 gnus-current-select-method)))
5790 (gnus-kill-all-overlays)
5791 (let ((gnus-newsgroup-name group))
5792 (gnus-check-group-server))
5794 ((gnus-request-article article group (current-buffer))
5795 (when (numberp article)
5796 (gnus-async-prefetch-next group article
5797 gnus-summary-buffer)
5798 (when gnus-keep-backlog
5799 (gnus-backlog-enter-article
5800 group article (current-buffer))))
5801 (setq result 'article))
5803 (setq gnus-override-method (pop methods)))
5804 ((not (string-match "^400 "
5805 (nnheader-get-report backend)))
5806 ;; If we get 400 server disconnect, reconnect and
5807 ;; retry; otherwise, assume the article has expired.
5808 (setq result 'done))))
5809 (and (eq result 'article) 'article)))
5813 ;; Associate this article with the current summary buffer.
5814 (setq gnus-article-current-summary gnus-summary-buffer)
5816 ;; Take the article from the original article buffer
5817 ;; and place it in the buffer it's supposed to be in.
5818 (when (and (get-buffer gnus-article-buffer)
5819 (equal (buffer-name (current-buffer))
5820 (buffer-name (get-buffer gnus-article-buffer))))
5822 (if (get-buffer gnus-original-article-buffer)
5823 (set-buffer gnus-original-article-buffer)
5824 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
5825 (buffer-disable-undo)
5826 (setq major-mode 'gnus-original-article-mode)
5827 (setq buffer-read-only t))
5828 (let (buffer-read-only)
5830 (insert-buffer-substring gnus-article-buffer))
5831 (setq gnus-original-article (cons group article)))
5834 (run-hooks 'gnus-article-decode-hook)
5835 ;; Mark article as decoded or not.
5836 (setq gnus-article-decoded-p gnus-article-decode-hook))
5838 ;; Update sparse articles.
5839 (when (and do-update-line
5840 (or (numberp article)
5842 (let ((buf (current-buffer)))
5843 (set-buffer gnus-summary-buffer)
5844 (gnus-summary-update-article do-update-line sparse-header)
5845 (gnus-summary-goto-subject do-update-line nil t)
5846 (set-window-point (gnus-get-buffer-window (current-buffer) t)
5848 (set-buffer buf))))))
5854 (defcustom gnus-article-edit-mode-hook nil
5855 "Hook run in article edit mode buffers."
5856 :group 'gnus-article-various
5859 (defcustom gnus-article-edit-article-setup-function
5860 'gnus-article-mime-edit-article-setup
5861 "Function called to setup an editing article buffer."
5862 :group 'gnus-article-various
5865 (defvar gnus-article-edit-done-function nil)
5867 (defvar gnus-article-edit-mode-map nil)
5869 ;; Should we be using derived.el for this?
5870 (unless gnus-article-edit-mode-map
5871 (setq gnus-article-edit-mode-map (make-keymap))
5872 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
5874 (gnus-define-keys gnus-article-edit-mode-map
5875 "\C-c?" describe-mode
5876 "\C-c\C-c" gnus-article-edit-done
5877 "\C-c\C-k" gnus-article-edit-exit
5878 "\C-c\C-f\C-t" message-goto-to
5879 "\C-c\C-f\C-o" message-goto-from
5880 "\C-c\C-f\C-b" message-goto-bcc
5881 ;;"\C-c\C-f\C-w" message-goto-fcc
5882 "\C-c\C-f\C-c" message-goto-cc
5883 "\C-c\C-f\C-s" message-goto-subject
5884 "\C-c\C-f\C-r" message-goto-reply-to
5885 "\C-c\C-f\C-n" message-goto-newsgroups
5886 "\C-c\C-f\C-d" message-goto-distribution
5887 "\C-c\C-f\C-f" message-goto-followup-to
5888 "\C-c\C-f\C-m" message-goto-mail-followup-to
5889 "\C-c\C-f\C-k" message-goto-keywords
5890 "\C-c\C-f\C-u" message-goto-summary
5891 "\C-c\C-f\C-i" message-insert-or-toggle-importance
5892 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
5893 "\C-c\C-b" message-goto-body
5894 "\C-c\C-i" message-goto-signature
5896 "\C-c\C-t" message-insert-to
5897 "\C-c\C-n" message-insert-newsgroups
5898 "\C-c\C-o" message-sort-headers
5899 "\C-c\C-e" message-elide-region
5900 "\C-c\C-v" message-delete-not-region
5901 "\C-c\C-z" message-kill-to-signature
5902 "\M-\r" message-newline-and-reformat
5903 "\C-c\C-a" mml-attach-file
5904 "\C-a" message-beginning-of-line
5906 "\M-;" comment-region)
5908 (gnus-define-keys (gnus-article-edit-wash-map
5909 "\C-c\C-w" gnus-article-edit-mode-map)
5910 "f" gnus-article-edit-full-stops))
5913 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
5915 ["Fetch To" message-insert-to t]
5916 ["Fetch Newsgroups" message-insert-newsgroups t]
5918 ["To" message-goto-to t]
5919 ["From" message-goto-from t]
5920 ["Subject" message-goto-subject t]
5921 ["Cc" message-goto-cc t]
5922 ["Reply-To" message-goto-reply-to t]
5923 ["Summary" message-goto-summary t]
5924 ["Keywords" message-goto-keywords t]
5925 ["Newsgroups" message-goto-newsgroups t]
5926 ["Followup-To" message-goto-followup-to t]
5927 ["Mail-Followup-To" message-goto-mail-followup-to t]
5928 ["Distribution" message-goto-distribution t]
5929 ["Body" message-goto-body t]
5930 ["Signature" message-goto-signature t]))
5932 (define-derived-mode gnus-article-edit-mode text-mode "Article Edit"
5933 "Major mode for editing articles.
5934 This is an extended text-mode.
5936 \\{gnus-article-edit-mode-map}"
5937 (make-local-variable 'gnus-article-edit-done-function)
5938 (make-local-variable 'gnus-prev-winconf)
5939 (set (make-local-variable 'font-lock-defaults)
5940 '(message-font-lock-keywords t))
5941 (set (make-local-variable 'mail-header-separator) "")
5942 (set (make-local-variable 'gnus-article-edit-mode) t)
5943 (easy-menu-add message-mode-field-menu message-mode-map)
5944 (setq buffer-read-only nil)
5945 (buffer-enable-undo)
5948 (defun gnus-article-edit (&optional force)
5949 "Edit the current article.
5950 This will have permanent effect only in mail groups.
5951 If FORCE is non-nil, allow editing of articles even in read-only
5954 (when (and (not force)
5955 (gnus-group-read-only-p))
5956 (error "The current newsgroup does not support article editing"))
5957 (gnus-article-date-original)
5958 (gnus-article-edit-article
5960 `(lambda (no-highlight)
5962 (gnus-summary-edit-article-done
5963 ,(or (mail-header-references gnus-current-headers) "")
5964 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
5966 (defun gnus-article-edit-article (start-func exit-func)
5967 "Start editing the contents of the current article buffer."
5968 (let ((winconf (current-window-configuration)))
5969 (set-buffer gnus-article-buffer)
5970 (gnus-article-edit-mode)
5971 (funcall start-func)
5972 (set-buffer-modified-p nil)
5973 (gnus-configure-windows 'edit-article)
5974 (setq gnus-article-edit-done-function exit-func)
5975 (setq gnus-prev-winconf winconf)
5976 (when gnus-article-edit-article-setup-function
5977 (funcall gnus-article-edit-article-setup-function))
5978 (gnus-message 6 "C-c C-c to end edits; C-c C-k to exit")))
5980 (defun gnus-article-edit-done (&optional arg)
5981 "Update the article edits and exit."
5983 (let ((func gnus-article-edit-done-function)
5984 (buf (current-buffer))
5985 (start (window-start))
5987 (winconf gnus-prev-winconf))
5988 (remove-hook 'gnus-article-mode-hook
5989 'gnus-article-mime-edit-article-unwind)
5990 (widen) ;; Widen it in case that users narrowed the buffer.
5993 ;; The cache and backlog have to be flushed somewhat.
5994 (when gnus-keep-backlog
5995 (gnus-backlog-remove-article
5996 (car gnus-article-current) (cdr gnus-article-current)))
5997 ;; Flush original article as well.
5999 (when (get-buffer gnus-original-article-buffer)
6000 (set-buffer gnus-original-article-buffer)
6001 (setq gnus-original-article nil)))
6002 (when gnus-use-cache
6003 (gnus-cache-update-article
6004 (car gnus-article-current) (cdr gnus-article-current)))
6005 ;; We remove all text props from the article buffer.
6006 (kill-all-local-variables)
6007 (set-text-properties (point-min) (point-max) nil)
6009 (set-window-configuration winconf)
6011 (set-window-start (get-buffer-window buf) start)
6012 (set-window-point (get-buffer-window buf) (point)))
6013 (gnus-summary-show-article))
6015 (defun gnus-article-edit-exit ()
6016 "Exit the article editing without updating."
6018 (when (or (not (buffer-modified-p))
6019 (yes-or-no-p "Article modified; kill anyway? "))
6020 (let ((curbuf (current-buffer))
6022 (window-start (window-start)))
6024 (if (gnus-buffer-live-p gnus-original-article-buffer)
6025 (insert-buffer-substring gnus-original-article-buffer))
6026 (let ((winconf gnus-prev-winconf))
6027 (kill-all-local-variables)
6029 (set-window-configuration winconf)
6030 ;; Tippy-toe some to make sure that point remains where it was.
6031 (save-current-buffer
6033 (set-window-start (get-buffer-window (current-buffer)) window-start)
6035 (gnus-summary-show-article)))
6037 (defun gnus-article-edit-full-stops ()
6038 "Interactively repair spacing at end of sentences."
6041 (goto-char (point-min))
6042 (search-forward-regexp "^$" nil t)
6043 (let ((case-fold-search nil))
6044 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
6047 ;;; Article editing with MIME-Edit
6050 (defcustom gnus-article-mime-edit-article-setup-hook nil
6051 "Hook run after setting up a MIME editing article buffer."
6052 :group 'gnus-article-various
6055 (defun gnus-article-mime-edit-article-unwind ()
6056 "Unwind `gnus-article-buffer' if article editing was given up."
6057 (remove-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
6058 (when (featurep 'font-lock)
6059 (setq font-lock-defaults nil)
6060 (font-lock-mode -1))
6061 (when mime-edit-mode-flag
6062 (mime-edit-exit 'nomime 'no-error)
6065 (defun gnus-article-mime-edit-article-setup ()
6066 "Convert current buffer to MIME-Edit buffer and turn on MIME-Edit mode
6067 after replacing with the original article."
6068 (setq gnus-show-mime t)
6069 (setq gnus-article-edit-done-function
6070 `(lambda (&rest args)
6071 (when mime-edit-mode-flag
6072 (let (mime-edit-insert-user-agent-field)
6075 (goto-char (point-min))
6076 (let (case-fold-search)
6077 (when (re-search-forward
6078 (format "^%s$" (regexp-quote mail-header-separator))
6080 (replace-match "")))
6081 (apply ,gnus-article-edit-done-function args)
6084 (buffer-substring-no-properties (point-min) (point-max))
6085 (set-buffer (get-buffer-create gnus-original-article-buffer))
6087 (setq gnus-current-headers (gnus-article-make-full-mail-header))
6088 (set-buffer gnus-article-buffer)
6089 (gnus-article-prepare-display)))
6090 (substitute-key-definition 'gnus-article-edit-done
6091 'gnus-article-mime-edit-done
6092 gnus-article-edit-mode-map)
6093 (substitute-key-definition 'gnus-article-edit-exit
6094 'gnus-article-mime-edit-exit
6095 gnus-article-edit-mode-map)
6097 (insert-buffer-substring gnus-original-article-buffer)
6098 (unless (member (with-current-buffer gnus-summary-buffer
6099 gnus-newsgroup-name)
6100 '("nndraft:delayed" "nndraft:drafts"))
6101 (let ((ofn (symbol-function 'mime-edit-decode-single-part-in-buffer)))
6102 (fset 'mime-edit-decode-single-part-in-buffer
6103 (lambda (&rest args)
6104 (if (let ((content-type (car args)))
6105 (and (eq 'message (mime-content-type-primary-type
6107 (eq 'rfc822 (mime-content-type-subtype
6109 (setcar (cdr args) 'not-decode-text))
6113 (fset 'mime-edit-decode-single-part-in-buffer ofn))))
6114 (when (featurep 'font-lock)
6115 (set (make-local-variable 'font-lock-defaults)
6116 '(message-font-lock-keywords t))
6117 (font-lock-set-defaults)
6118 (turn-on-font-lock))
6119 (set-buffer-modified-p nil)
6120 (delete-other-windows)
6121 (add-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
6122 (gnus-run-hooks 'gnus-article-mime-edit-article-setup-hook))
6124 (defun gnus-article-mime-edit-done (&optional arg)
6125 "Update the article MIME edits and exit."
6127 (when (featurep 'font-lock)
6128 (setq font-lock-defaults nil)
6129 (font-lock-mode -1))
6130 (let ((inhibit-read-only t))
6131 (gnus-article-edit-done arg)))
6133 (defun gnus-article-mime-edit-exit ()
6134 "Exit the article MIME editing without updating."
6136 (when (or (not (buffer-modified-p))
6137 (yes-or-no-p "Article modified; kill anyway? "))
6138 (when (featurep 'font-lock)
6139 (setq font-lock-defaults nil)
6140 (font-lock-mode -1))
6141 (when mime-edit-mode-flag
6142 (let (mime-edit-insert-user-agent-field)
6145 (goto-char (point-min))
6146 (let (case-fold-search)
6147 (when (re-search-forward
6148 (format "^%s$" (regexp-quote mail-header-separator)) nil t)
6149 (replace-match "")))
6150 (let ((winconf gnus-prev-winconf))
6152 (buffer-substring-no-properties (point-min) (point-max))
6153 (set-buffer (get-buffer-create gnus-original-article-buffer))
6155 (setq gnus-current-headers (gnus-article-make-full-mail-header))
6156 (set-buffer gnus-article-buffer)
6157 (gnus-article-prepare-display)
6158 (set-window-configuration winconf))))
6161 ;;; Article highlights
6164 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
6166 ;;; Internal Variables:
6168 (defcustom gnus-button-url-regexp
6169 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
6170 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
6171 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
6172 "Regular expression that matches URLs."
6173 :group 'gnus-article-buttons
6176 (defcustom gnus-button-valid-fqdn-regexp
6177 message-valid-fqdn-regexp
6178 "Regular expression that matches a valid FQDN."
6179 :group 'gnus-article-buttons
6182 (defcustom gnus-button-man-handler 'manual-entry
6183 "Function to use for displaying man pages.
6184 The function must take at least one argument with a string naming the
6186 :type '(choice (function-item :tag "Man" manual-entry)
6187 (function-item :tag "Woman" woman)
6188 (function :tag "Other"))
6189 :group 'gnus-article-buttons)
6191 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
6192 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
6193 If the default site is too slow, try to find a CTAN mirror, see
6194 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
6195 the variable `gnus-button-handle-ctan'."
6196 :group 'gnus-article-buttons
6197 :link '(custom-manual "(gnus)Group Parameters")
6198 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
6199 (const "http://tug.ctan.org/tex-archive/")
6200 (const "http://www.dante.de/CTAN/")
6201 (string :tag "Other")))
6203 (defcustom gnus-button-ctan-handler 'browse-url
6204 "Function to use for displaying CTAN links.
6205 The function must take one argument, the string naming the URL."
6206 :type '(choice (function-item :tag "Browse Url" browse-url)
6207 (function :tag "Other"))
6208 :group 'gnus-article-buttons)
6210 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
6211 "Bogus strings removed from CTAN URLs."
6212 :group 'gnus-article-buttons
6213 :type '(choice (const "^/?tex-archive/\\|/")
6214 (regexp :tag "Other")))
6216 (defcustom gnus-button-ctan-directory-regexp
6219 "biblio\\|digests\\|dviware\\|fonts\\|graphics\\|help\\|"
6220 "indexing\\|info\\|language\\|macros\\|support\\|systems\\|"
6221 "tds\\|tools\\|usergrps\\|web\\|nonfree\\|obsolete"
6223 "Regular expression for ctan directories.
6224 It should match all directories in the top level of `gnus-ctan-url'."
6225 :group 'gnus-article-buttons
6228 (defcustom gnus-button-mid-or-mail-regexp
6229 (concat "\\b\\(<?[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t ]*@"
6230 ;; Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
6231 gnus-button-valid-fqdn-regexp
6233 "Regular expression that matches a message ID or a mail address."
6234 :group 'gnus-article-buttons
6237 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
6238 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
6239 Strings like this can be either a message ID or a mail address. If it is one
6240 of the symbols `mid' or `mail', Gnus will always assume that the string is a
6241 message ID or a mail address, respectively. If this variable is set to the
6242 symbol `ask', always query the user what do do. If it is a function, this
6243 function will be called with the string as it's only argument. The function
6244 must return `mid', `mail', `invalid' or `ask'."
6245 :group 'gnus-article-buttons
6246 :type '(choice (function-item :tag "Heuristic function"
6247 gnus-button-mid-or-mail-heuristic)
6252 (defcustom gnus-button-mid-or-mail-heuristic-alist
6253 '((-10.0 . ".+\\$.+@")
6256 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
6257 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
6258 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
6259 (-1.0 . "^[^a-z]+@")
6261 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
6262 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
6263 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
6264 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
6267 (-1.0 . "^[0-9][0-9]")
6269 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
6270 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6271 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
6272 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6274 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
6275 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
6278 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
6280 ;; compensation for TDMA dated mail addresses:
6281 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
6283 (-20.0 . "\\.fsf@") ;; Gnus
6286 (-20.0 . "_-_") ;; Subject change in thread
6288 (-20.0 . "\\.ln@") ;; leafnode
6289 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
6290 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
6292 ;; (5.0 . "") ;; $local_part_len <= 7
6293 (10.0 . "^[^0-9]+@")
6294 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
6295 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
6298 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
6300 (0.5 . "^[A-Z][a-z]")
6301 (0.5 . "^[A-Z][a-z][a-z]")
6302 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
6303 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
6304 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
6306 A negative RATE indicates a message IDs, whereas a positive indicates a mail
6307 address. The REGEXP is processed with `case-fold-search' set to nil."
6308 :group 'gnus-article-buttons
6309 :type '(repeat (cons (number :tag "Rate")
6310 (regexp :tag "Regexp"))))
6312 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
6313 "Guess whether MID-OR-MAIL is a message ID or a mail address.
6314 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
6315 address, `ask' if unsure and `invalid' if the string is invalid."
6316 (let ((case-fold-search nil)
6317 (list gnus-button-mid-or-mail-heuristic-alist)
6318 (result 0) rate regexp lpartlen elem)
6320 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
6321 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
6322 ;; Certain special cases...
6325 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
6326 "^[0-9]+\\.[0-9]+@compuserve\\|"
6327 "@public\\.gmane\\.org")
6329 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
6330 (setq result 'mail))
6331 (when (string-match "@.*@\\| " mid-or-mail)
6332 (gnus-message 8 "`%s' is invalid." mid-or-mail)
6333 (setq result 'invalid))
6334 ;; Nothing more to do, if result is not a number here...
6335 (when (numberp result)
6337 (setq elem (car list)
6341 (when (string-match regexp mid-or-mail)
6342 (setq result (+ result rate))
6344 9 "`%s' matched `%s', rate `%s', result `%s'."
6345 mid-or-mail regexp rate result)))
6346 (when (<= lpartlen 7)
6347 (setq result (+ result 5.0))
6348 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
6349 mid-or-mail result))
6350 (when (>= lpartlen 12)
6351 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
6353 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
6354 ;; Long local part should contain realname if e-mail address,
6355 ;; too many digits: message-id.
6356 ;; $score -= 5.0 + 0.1 * $local_part_len;
6357 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
6358 (setq result (+ result rate))
6360 9 "Many digits in `%s', rate `%s', result `%s'."
6361 mid-or-mail rate result))
6362 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
6364 ;; Too few vowels [^aeiouy]{4,}.*\@
6365 (setq result (+ result -5.0))
6367 9 "Few vowels in `%s', rate `%s', result `%s'."
6368 mid-or-mail -5.0 result))
6370 (setq result (+ result 5.0))
6372 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
6373 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
6374 ;; Maybe we should make this a customizable alist: (condition . 'result)
6376 ((symbolp result) result)
6377 ;; Now convert number into proper results:
6378 ((< result -10.0) 'mid)
6379 ((> result 10.0) 'mail)
6382 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
6383 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
6384 (url-mid (concat "news" ":" mid-or-mail))
6385 (url-mailto (concat "mailto" ":" mid-or-mail)))
6386 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
6387 (when (fboundp pref)
6389 ;; get rid of surrounding angles...
6391 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
6392 (if (or (eq 'mid guessed) (eq 'mail guessed))
6396 (save-window-excursion
6397 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
6400 (cond ((eq pref 'mid)
6401 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
6402 (gnus-button-handle-news url-mid))
6404 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
6405 (gnus-url-mailto url-mailto))
6406 (t (gnus-message 3 "Invalid string.")))))
6408 (defun gnus-button-handle-custom (url)
6409 "Follow a Custom URL."
6410 (customize-apropos (gnus-url-unhex-string url)))
6412 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
6414 ;; FIXME: Maybe we should merge some of the functions that do quite similar
6417 (defun gnus-button-handle-describe-function (url)
6418 "Call `describe-function' when pushing the corresponding URL button."
6421 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6423 (defun gnus-button-handle-describe-variable (url)
6424 "Call `describe-variable' when pushing the corresponding URL button."
6427 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6429 (defun gnus-button-handle-symbol (url)
6430 "Display help on variable or function.
6431 Calls `describe-variable' or `describe-function'."
6432 (let ((sym (intern url)))
6434 ((fboundp sym) (describe-function sym))
6435 ((boundp sym) (describe-variable sym))
6436 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
6438 (defun gnus-button-handle-describe-key (url)
6439 "Call `describe-key' when pushing the corresponding URL button."
6441 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
6442 (keys (ignore-errors (eval `(kbd ,key-string)))))
6445 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
6447 (defun gnus-button-handle-apropos (url)
6448 "Call `apropos' when pushing the corresponding URL button."
6449 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6451 (defun gnus-button-handle-apropos-command (url)
6452 "Call `apropos' when pushing the corresponding URL button."
6454 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6456 (defun gnus-button-handle-apropos-variable (url)
6457 "Call `apropos' when pushing the corresponding URL button."
6459 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
6460 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6462 (defun gnus-button-handle-apropos-documentation (url)
6463 "Call `apropos' when pushing the corresponding URL button."
6465 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
6466 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6468 (defun gnus-button-handle-library (url)
6469 "Call `locate-library' when pushing the corresponding URL button."
6470 (gnus-message 9 "url=`%s'" url)
6471 (let* ((lib (locate-library url))
6472 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
6474 (gnus-message 1 "Cannot locale library `%s'." url)
6475 (find-file-read-only file))))
6477 (defun gnus-button-handle-ctan (url)
6478 "Call `browse-url' when pushing a CTAN URL button."
6480 gnus-button-ctan-handler
6483 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
6485 (defcustom gnus-button-tex-level 5
6486 "*Integer that says how many TeX-related buttons Gnus will show.
6487 The higher the number, the more buttons will appear and the more false
6488 positives are possible. Note that you can set this variable local to
6489 specific groups. Setting it higher in TeX groups is probably a good idea.
6490 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6491 how to set variables in specific groups."
6492 :group 'gnus-article-buttons
6493 :link '(custom-manual "(gnus)Group Parameters")
6496 (defcustom gnus-button-man-level 5
6497 "*Integer that says how many man-related buttons Gnus will show.
6498 The higher the number, the more buttons will appear and the more false
6499 positives are possible. Note that you can set this variable local to
6500 specific groups. Setting it higher in Unix groups is probably a good idea.
6501 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6502 how to set variables in specific groups."
6503 :group 'gnus-article-buttons
6504 :link '(custom-manual "(gnus)Group Parameters")
6507 (defcustom gnus-button-emacs-level 5
6508 "*Integer that says how many emacs-related buttons Gnus will show.
6509 The higher the number, the more buttons will appear and the more false
6510 positives are possible. Note that you can set this variable local to
6511 specific groups. Setting it higher in Emacs or Gnus related groups is
6512 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
6513 `gnus-parameters' on how to set variables in specific groups."
6514 :group 'gnus-article-buttons
6515 :link '(custom-manual "(gnus)Group Parameters")
6518 (defcustom gnus-button-message-level 5
6519 "*Integer that says how many buttons for news or mail messages will appear.
6520 The higher the number, the more buttons will appear and the more false
6521 positives are possible."
6522 ;; mail addresses, MIDs, URLs for news, ...
6523 :group 'gnus-article-buttons
6526 (defcustom gnus-button-browse-level 5
6527 "*Integer that says how many buttons for browsing will appear.
6528 The higher the number, the more buttons will appear and the more false
6529 positives are possible."
6530 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
6531 :group 'gnus-article-buttons
6534 (defcustom gnus-button-alist
6535 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
6536 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
6537 ("\\b\\(nntp\\|news\\):\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t
6538 gnus-button-handle-news 2)
6539 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
6540 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
6541 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
6542 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
6543 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
6544 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
6545 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
6546 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
6547 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
6548 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
6549 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
6550 ;; RFC 2368 (The mailto URL scheme)
6551 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6552 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6553 ("\\bmailto:\\([^ \n\t]+\\)"
6554 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6556 ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\("
6557 gnus-button-ctan-directory-regexp
6558 "[^][>)!;:,'\n\t ]+\\)")
6559 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
6560 ((concat "\\btex-archive/\\("
6561 gnus-button-ctan-directory-regexp
6562 "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
6563 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
6566 gnus-button-ctan-directory-regexp
6567 "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
6568 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
6569 ;; This is info (home-grown style) <info://foo/bar+baz>
6570 ("\\binfo://\\([^'\">\n\t ]+\\)"
6571 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
6572 ;; Info GNOME style <info:foo#bar_baz>
6573 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
6574 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
6575 ;; Info KDE style <info:(foo)bar baz>
6576 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
6577 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
6578 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
6579 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
6580 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
6581 ;; Info links like `C-h i d m CC Mode RET'
6582 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
6584 ("\\bcustom:\\(//\\)?\\([^'\">\n\t ]+\\)"
6585 0 (>= gnus-button-emacs-level 5) gnus-button-handle-custom 2)
6586 ("M-x[ \t\n]customize-[^ ]+[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
6587 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1)
6588 ;; Emacs help commands
6589 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6590 ;; regexp doesn't match arguments containing ` '.
6591 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
6592 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6593 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
6594 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6595 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
6596 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6597 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
6598 ;; The following entries may lead to many false positives so don't enable
6599 ;; them by default (use a high button level):
6600 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>"
6601 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6602 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
6603 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6604 ("`\\([a-z][a-z0-9]+-[a-z]+-[-a-z]+\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
6605 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
6606 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
6607 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
6608 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
6609 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
6610 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6611 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
6612 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6613 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
6614 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6615 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
6616 ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
6617 ;; Unlike the other regexps we really have to require quoting
6618 ;; here to determine where it ends.
6619 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
6620 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
6621 ("<URL: *\\([^<>]*\\)>"
6622 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6623 ;; RFC 2396 (2.4.3., delims) ...
6624 ("\"URL: *\\([^\"]*\\)\""
6625 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6626 ;; RFC 2396 (2.4.3., delims) ...
6627 ("\"URL: *\\([^\"]*\\)\""
6628 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6630 (gnus-button-url-regexp
6631 0 (>= gnus-button-browse-level 0) browse-url 0)
6633 ("\\b\\([a-z][a-z]+\\)([1-9])\\W"
6634 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
6635 gnus-button-handle-man 1)
6636 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
6637 ("\\b\\([a-z][-_.a-z0-9]+\\)([1-9])\\W"
6638 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
6639 gnus-button-handle-man 1)
6640 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
6641 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
6642 ("\\b\\([a-z][-+_.:a-z0-9]+\\)([1-9][X1a-z]*)\\W\\|\\b\\(X\\)([1-9])\\W"
6643 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
6644 ;; MID or mail: To avoid too many false positives we don't try to catch
6645 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
6646 ;; at least one dot. TLD must contain two or three chars or be a know TLD
6647 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
6648 ;; so that non-ambiguous entries (see above) match first.
6649 (gnus-button-mid-or-mail-regexp
6650 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
6651 "*Alist of regexps matching buttons in article bodies.
6653 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
6654 REGEXP: is the string (case insensitive) matching text around the button (can
6655 also be Lisp expression evaluating to a string),
6656 BUTTON: is the number of the regexp grouping actually matching the button,
6657 FORM: is a Lisp expression which must eval to true for the button to
6659 CALLBACK: is the function to call when the user push this button, and each
6660 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
6662 CALLBACK can also be a variable, in that case the value of that
6663 variable it the real callback function."
6664 :group 'gnus-article-buttons
6665 :type '(repeat (list (choice regexp variable sexp)
6666 (integer :tag "Button")
6668 (function :tag "Callback")
6671 (integer :tag "Regexp group")))))
6673 (defcustom gnus-header-button-alist
6674 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
6675 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
6676 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
6677 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
6678 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
6679 0 (>= gnus-button-message-level 0) gnus-button-mailto 0)
6680 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
6681 0 (>= gnus-button-browse-level 0) browse-url 0)
6682 ("^Subject:" gnus-button-url-regexp
6683 0 (>= gnus-button-browse-level 0) browse-url 0)
6684 ("^[^:]+:" gnus-button-url-regexp
6685 0 (>= gnus-button-browse-level 0) browse-url 0)
6686 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6687 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6688 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
6689 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
6690 "*Alist of headers and regexps to match buttons in article heads.
6692 This alist is very similar to `gnus-button-alist', except that each
6693 alist has an additional HEADER element first in each entry:
6695 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
6697 HEADER is a regexp to match a header. For a fuller explanation, see
6698 `gnus-button-alist'."
6699 :group 'gnus-article-buttons
6700 :group 'gnus-article-headers
6701 :type '(repeat (list (regexp :tag "Header")
6702 (choice regexp variable)
6703 (integer :tag "Button")
6705 (function :tag "Callback")
6708 (integer :tag "Regexp group")))))
6712 (defun gnus-article-push-button (event)
6713 "Check text under the mouse pointer for a callback function.
6714 If the text under the mouse pointer has a `gnus-callback' property,
6715 call it with the value of the `gnus-data' text property."
6717 (set-buffer (window-buffer (posn-window (event-start event))))
6718 (let* ((pos (posn-point (event-start event)))
6719 (data (get-text-property pos 'gnus-data))
6720 (fun (get-text-property pos 'gnus-callback)))
6723 (funcall fun data))))
6725 (defun gnus-article-press-button ()
6726 "Check text at point for a callback function.
6727 If the text at point has a `gnus-callback' property,
6728 call it with the value of the `gnus-data' text property."
6730 (let ((data (get-text-property (point) 'gnus-data))
6731 (fun (get-text-property (point) 'gnus-callback)))
6733 (funcall fun data))))
6735 (defun gnus-article-prev-button (n)
6736 "Move point to N buttons backward.
6737 If N is negative, move forward instead."
6739 (gnus-article-next-button (- n)))
6741 (defun gnus-article-next-button (n)
6742 "Move point to N buttons forward.
6743 If N is negative, move backward instead."
6745 (let ((function (if (< n 0) 'previous-single-property-change
6746 'next-single-property-change))
6747 (inhibit-point-motion-hooks t)
6749 (limit (if (< n 0) (point-min) (point-max))))
6751 (while (and (not (= limit (point)))
6753 ;; Skip past the current button.
6754 (when (get-text-property (point) 'gnus-callback)
6755 (goto-char (funcall function (point) 'gnus-callback nil limit)))
6756 ;; Go to the next (or previous) button.
6757 (gnus-goto-char (funcall function (point) 'gnus-callback nil limit))
6758 ;; Put point at the start of the button.
6759 (when (and backward (not (get-text-property (point) 'gnus-callback)))
6760 (goto-char (funcall function (point) 'gnus-callback nil limit)))
6761 ;; Skip past intangible buttons.
6762 (when (get-text-property (point) 'intangible)
6766 (gnus-message 5 "No more buttons"))
6769 (defun gnus-article-highlight (&optional force)
6770 "Highlight current article.
6771 This function calls `gnus-article-highlight-headers',
6772 `gnus-article-highlight-citation',
6773 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6774 do the highlighting. See the documentation for those functions."
6775 (interactive (list 'force))
6776 (gnus-article-highlight-headers)
6777 (gnus-article-highlight-citation force)
6778 (gnus-article-highlight-signature)
6779 (gnus-article-add-buttons force)
6780 (gnus-article-add-buttons-to-head))
6782 (defun gnus-article-highlight-some (&optional force)
6783 "Highlight current article.
6784 This function calls `gnus-article-highlight-headers',
6785 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6786 do the highlighting. See the documentation for those functions."
6787 (interactive (list 'force))
6788 (gnus-article-highlight-headers)
6789 (gnus-article-highlight-signature)
6790 (gnus-article-add-buttons))
6792 (defun gnus-article-highlight-headers ()
6793 "Highlight article headers as specified by `gnus-header-face-alist'."
6795 (gnus-with-article-headers
6796 (let ((alist gnus-header-face-alist)
6797 entry regexp header-face field-face from hpoints fpoints)
6798 (while (setq entry (pop alist))
6799 (goto-char (point-min))
6800 (setq regexp (concat "^\\("
6801 (if (string-equal "" (nth 0 entry))
6805 header-face (nth 1 entry)
6806 field-face (nth 2 entry))
6807 (while (and (re-search-forward regexp nil t)
6811 (unless (search-forward ":" nil t)
6813 (when (and header-face
6814 (not (memq (point) hpoints)))
6815 (push (point) hpoints)
6816 (gnus-put-text-property from (point) 'face header-face))
6817 (when (and field-face
6818 (not (memq (setq from (point)) fpoints)))
6820 (if (re-search-forward "^[^ \t]" nil t)
6822 (goto-char (point-max)))
6823 (gnus-put-text-property from (point) 'face field-face)))))))
6825 (defun gnus-article-highlight-signature ()
6826 "Highlight the signature in an article.
6827 It does this by highlighting everything after
6828 `gnus-signature-separator' using `gnus-signature-face'."
6830 (when gnus-signature-face
6831 (gnus-with-article-buffer
6832 (let ((inhibit-point-motion-hooks t))
6834 (when (gnus-article-narrow-to-signature)
6835 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
6836 'face gnus-signature-face)))))))
6838 (defun gnus-article-buttonize-signature ()
6839 "Add button to the signature."
6842 (set-buffer gnus-article-buffer)
6843 (let ((buffer-read-only nil)
6844 (inhibit-point-motion-hooks t))
6845 (when (gnus-article-search-signature)
6846 (gnus-article-add-button (match-beginning 0) (match-end 0)
6847 'gnus-signature-toggle
6848 (set-marker (make-marker)
6849 (1+ (match-end 0))))))))
6851 (defun gnus-button-in-region-p (b e prop)
6852 "Say whether PROP exists in the region."
6853 (text-property-not-all b e prop nil))
6855 (defun gnus-article-add-buttons (&optional force)
6856 "Find external references in the article and make buttons of them.
6857 \"External references\" are things like Message-IDs and URLs, as
6858 specified by `gnus-button-alist'."
6859 (interactive (list 'force))
6860 (gnus-with-article-buffer
6861 (let ((inhibit-point-motion-hooks t)
6862 (case-fold-search t)
6863 (alist gnus-button-alist)
6865 ;; Remove all old markers.
6866 (let (marker entry new-list)
6867 (while (setq marker (pop gnus-button-marker-list))
6868 (if (or (< marker (point-min)) (>= marker (point-max)))
6869 (push marker new-list)
6871 (when (setq entry (gnus-button-entry))
6872 (put-text-property (match-beginning (nth 1 entry))
6873 (match-end (nth 1 entry))
6874 'gnus-callback nil))
6875 (set-marker marker nil)))
6876 (setq gnus-button-marker-list new-list))
6877 ;; We skip the headers.
6880 (while (setq entry (pop alist))
6881 (setq regexp (eval (car entry)))
6883 (while (re-search-forward regexp nil t)
6884 (let* ((start (and entry (match-beginning (nth 1 entry))))
6885 (end (and entry (match-end (nth 1 entry))))
6886 (from (match-beginning 0)))
6887 (when (and (or (eq t (nth 2 entry))
6888 (eval (nth 2 entry)))
6889 (not (gnus-button-in-region-p
6890 start end 'gnus-callback)))
6891 ;; That optional form returned non-nil, so we add the
6893 (gnus-article-add-button
6894 start end 'gnus-button-push
6895 (car (push (set-marker (make-marker) from)
6896 gnus-button-marker-list))))))))))
6898 ;; Add buttons to the head of an article.
6899 (defun gnus-article-add-buttons-to-head ()
6900 "Add buttons to the head of the article."
6902 (gnus-with-article-headers
6903 (let ((alist gnus-header-button-alist)
6906 ;; Each alist entry.
6907 (setq entry (pop alist))
6908 (goto-char (point-min))
6909 (while (re-search-forward (car entry) nil t)
6910 ;; Each header matching the entry.
6911 (setq beg (match-beginning 0))
6912 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
6913 (match-beginning 0))
6916 (while (re-search-forward (eval (nth 1 entry)) end t)
6917 ;; Each match within a header.
6918 (let* ((entry (cdr entry))
6919 (start (match-beginning (nth 1 entry)))
6920 (end (match-end (nth 1 entry)))
6921 (form (nth 2 entry)))
6922 (goto-char (match-end 0))
6924 (gnus-article-add-button
6925 start end (nth 3 entry)
6926 (buffer-substring (match-beginning (nth 4 entry))
6927 (match-end (nth 4 entry)))))))
6928 (goto-char end))))))
6930 ;;; External functions:
6932 (defun gnus-article-add-button (from to fun &optional data)
6933 "Create a button between FROM and TO with callback FUN and data DATA."
6934 (when gnus-article-button-face
6935 (gnus-overlay-put (gnus-make-overlay from to)
6936 'face gnus-article-button-face))
6937 (gnus-add-text-properties
6939 (nconc (and gnus-article-mouse-face
6940 (list gnus-mouse-face-prop gnus-article-mouse-face))
6941 (list 'gnus-callback fun)
6942 (and data (list 'gnus-data data))))
6943 (widget-convert-button 'link from to :action 'gnus-widget-press-button
6944 :button-keymap gnus-widget-button-keymap))
6946 ;;; Internal functions:
6948 (defun gnus-article-set-globals ()
6949 (with-current-buffer gnus-summary-buffer
6950 (gnus-set-global-variables)))
6952 (defun gnus-signature-toggle (end)
6953 (gnus-with-article-buffer
6954 (let ((inhibit-point-motion-hooks t)
6955 (limit (next-single-property-change end 'mime-view-entity
6957 (if (text-property-any end limit 'article-type 'signature)
6959 (gnus-delete-wash-type 'signature)
6960 (gnus-remove-text-properties-when
6961 'article-type 'signature end limit
6962 (cons 'article-type (cons 'signature
6963 gnus-hidden-properties))))
6964 (gnus-add-wash-type 'signature)
6965 (gnus-add-text-properties-when
6966 'article-type nil end limit
6967 (cons 'article-type (cons 'signature
6968 gnus-hidden-properties)))))
6969 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
6970 (gnus-set-mode-line 'article))))
6972 (defun gnus-button-entry ()
6973 ;; Return the first entry in `gnus-button-alist' matching this place.
6974 (let ((alist gnus-button-alist)
6977 (setq entry (pop alist))
6978 (if (looking-at (eval (car entry)))
6983 (defun gnus-button-push (marker)
6984 ;; Push button starting at MARKER.
6987 (let* ((entry (gnus-button-entry))
6988 (inhibit-point-motion-hooks t)
6990 (args (mapcar (lambda (group)
6991 (let ((string (match-string group)))
6992 (set-text-properties
6993 0 (length string) nil string)
7000 (fboundp (symbol-value fun)))
7001 (apply (symbol-value fun) args))
7003 (gnus-message 1 "You must define `%S' to use this button"
7004 (cons fun args)))))))
7006 (defun gnus-parse-news-url (url)
7007 (let (scheme server group message-id articles)
7010 (goto-char (point-min))
7011 (when (looking-at "\\([A-Za-z]+\\):")
7012 (setq scheme (match-string 1))
7013 (goto-char (match-end 0)))
7014 (when (looking-at "//\\([^/]+\\)/")
7015 (setq server (match-string 1))
7016 (goto-char (match-end 0)))
7019 ((looking-at "\\(.*@.*\\)")
7020 (setq message-id (match-string 1)))
7021 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
7022 (setq group (match-string 1)
7023 articles (split-string (match-string 2) "-")))
7024 ((looking-at "\\([^/]+\\)/?")
7025 (setq group (match-string 1)))
7027 (error "Unknown news URL syntax"))))
7028 (list scheme server group message-id articles)))
7030 (defun gnus-button-handle-news (url)
7032 (destructuring-bind (scheme server group message-id articles)
7033 (gnus-parse-news-url url)
7037 (set-buffer gnus-summary-buffer)
7039 (let ((gnus-refer-article-method (list (list 'nntp server))))
7040 (gnus-summary-refer-article message-id))
7041 (gnus-summary-refer-article message-id))))
7043 (gnus-button-fetch-group url)))))
7045 (defun gnus-button-handle-man (url)
7047 (funcall gnus-button-man-handler url))
7049 (defun gnus-button-handle-info-url (url)
7050 "Fetch an info URL."
7051 (setq url (mm-subst-char-in-string ?+ ?\ url))
7053 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
7054 (gnus-info-find-node
7055 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
7057 ")" (gnus-url-unhex-string (match-string 2 url)))))
7058 ((string-match "([^)\"]+)[^\"]+" url)
7060 (gnus-replace-in-string
7061 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
7062 (gnus-info-find-node url))
7063 (t (error "Can't parse %s" url))))
7065 (defun gnus-button-handle-info-url-gnome (url)
7066 "Fetch GNOME style info URL."
7067 (setq url (mm-subst-char-in-string ?_ ?\ url))
7068 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
7069 (gnus-info-find-node
7071 (gnus-url-unhex-string
7072 (match-string 1 url))
7074 (or (gnus-url-unhex-string
7075 (match-string 2 url))
7077 (error "Can't parse %s" url)))
7079 (defun gnus-button-handle-info-url-kde (url)
7080 "Fetch KDE style info URL."
7081 (gnus-info-find-node (gnus-url-unhex-string url)))
7083 (defun gnus-button-handle-info-keystrokes (url)
7084 "Call `info' when pushing the corresponding URL button."
7085 ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
7090 (defun gnus-button-message-id (message-id)
7092 (with-current-buffer gnus-summary-buffer
7093 (gnus-summary-refer-article message-id)))
7095 (defun gnus-button-fetch-group (address)
7096 "Fetch GROUP specified by ADDRESS."
7097 (if (not (string-match "[:/]" address))
7098 ;; This is just a simple group url.
7099 (gnus-group-read-ephemeral-group address gnus-select-method)
7102 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
7104 (error "Can't parse %s" address)
7105 (gnus-group-read-ephemeral-group
7106 (match-string 4 address)
7107 `(nntp ,(match-string 1 address)
7108 (nntp-address ,(match-string 1 address))
7109 (nntp-port-number ,(if (match-end 3)
7110 (match-string 3 address)
7113 (and (match-end 6) (list (string-to-int (match-string 6 address))))))))
7115 (defun gnus-url-parse-query-string (query &optional downcase)
7116 (let (retval pairs cur key val)
7117 (setq pairs (split-string query "&"))
7119 (setq cur (car pairs)
7121 (if (not (string-match "=" cur))
7123 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
7124 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
7126 (setq key (downcase key)))
7127 (setq cur (assoc key retval))
7129 (setcdr cur (cons val (cdr cur)))
7130 (setq retval (cons (list key val) retval)))))
7133 (defun gnus-url-mailto (url)
7134 ;; Send mail to someone
7135 (when (string-match "mailto:/*\\(.*\\)" url)
7136 (setq url (substring url (match-beginning 1) nil)))
7137 (let (to args subject func)
7138 (setq args (gnus-url-parse-query-string
7139 (if (string-match "^\\?" url)
7141 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
7142 (concat "to=" (match-string 1 url) "&"
7143 (match-string 2 url))
7144 (concat "to=" url)))
7146 subject (cdr-safe (assoc "subject" args)))
7149 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
7152 (message-position-on-field (caar args)))
7153 (insert (gnus-replace-in-string
7154 (mapconcat 'identity (reverse (cdar args)) ", ")
7156 (setq args (cdr args)))
7159 (message-goto-subject))))
7161 (defun gnus-button-embedded-url (address)
7162 "Activate ADDRESS with `browse-url'."
7163 (browse-url (gnus-strip-whitespace address)))
7165 ;;; Next/prev buttons in the article buffer.
7167 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
7168 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
7170 (defvar gnus-prev-page-map
7171 (let ((map (make-sparse-keymap)))
7172 (define-key map gnus-mouse-2 'gnus-button-prev-page)
7173 (define-key map "\r" 'gnus-button-prev-page)
7176 (defvar gnus-next-page-map
7177 (let ((map (make-sparse-keymap)))
7178 (define-key map gnus-mouse-2 'gnus-button-next-page)
7179 (define-key map "\r" 'gnus-button-next-page)
7182 (defun gnus-insert-prev-page-button ()
7184 (buffer-read-only nil)
7185 (situation (get-text-property (point-min) 'mime-view-situation)))
7187 gnus-prev-page-line-format nil
7188 `(keymap ,gnus-prev-page-map
7190 gnus-callback gnus-article-button-prev-page
7191 article-type annotation
7192 mime-view-situation ,situation))
7193 (widget-convert-button
7195 ;; Exclude a newline.
7198 :action 'gnus-button-prev-page
7199 :button-keymap gnus-prev-page-map)))
7201 (defun gnus-button-next-page (&optional args more-args)
7202 "Go to the next page."
7204 (let ((win (selected-window)))
7205 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7206 (gnus-article-next-page)
7207 (select-window win)))
7209 (defun gnus-button-prev-page (&optional args more-args)
7210 "Go to the prev page."
7212 (let ((win (selected-window)))
7213 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7214 (gnus-article-prev-page)
7215 (select-window win)))
7217 (defun gnus-insert-next-page-button ()
7219 (buffer-read-only nil)
7220 (situation (get-text-property (point-min) 'mime-view-situation)))
7221 (gnus-eval-format gnus-next-page-line-format nil
7222 `(keymap ,gnus-next-page-map
7224 gnus-callback gnus-article-button-next-page
7225 article-type annotation
7226 mime-view-situation ,situation))
7227 (widget-convert-button
7229 ;; Exclude a newline.
7232 :action 'gnus-button-next-page
7233 :button-keymap gnus-next-page-map)))
7235 (defun gnus-article-button-next-page (arg)
7236 "Go to the next page."
7238 (let ((win (selected-window)))
7239 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7240 (gnus-article-next-page)
7241 (select-window win)))
7243 (defun gnus-article-button-prev-page (arg)
7244 "Go to the prev page."
7246 (let ((win (selected-window)))
7247 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7248 (gnus-article-prev-page)
7249 (select-window win)))
7251 (defvar gnus-decode-header-methods
7252 '(mail-decode-encoded-word-region)
7253 "List of methods used to decode headers.
7255 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
7256 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
7257 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
7258 whose names match REGEXP.
7261 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
7262 mail-decode-encoded-word-region
7263 (\"chinese\" . rfc1843-decode-region))
7266 (defvar gnus-decode-header-methods-cache nil)
7268 (defun gnus-multi-decode-header (start end)
7269 "Apply the functions from `gnus-encoded-word-methods' that match."
7270 (unless (and gnus-decode-header-methods-cache
7271 (eq gnus-newsgroup-name
7272 (car gnus-decode-header-methods-cache)))
7273 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
7276 (nconc gnus-decode-header-methods-cache (list x))
7277 (if (and gnus-newsgroup-name
7278 (string-match (car x) gnus-newsgroup-name))
7279 (nconc gnus-decode-header-methods-cache
7281 gnus-decode-header-methods))
7282 (let ((xlist gnus-decode-header-methods-cache))
7285 (narrow-to-region start end)
7287 (funcall (pop xlist) (point-min) (point-max))))))
7290 ;;; Treatment top-level handling.
7293 (defun gnus-treat-article (condition &optional part-number total-parts type)
7294 (let ((length (- (point-max) (point-min)))
7295 (alist gnus-treatment-function-alist)
7296 (article-goto-body-goes-to-point-min-p t)
7300 (let ((list gnus-article-treat-types))
7302 (when (string-match (pop list) type)
7303 (throw 'found t)))))))
7304 (highlightp (gnus-visual-p 'article-highlight 'highlight))
7305 (entity (static-unless (featurep 'xemacs)
7306 (when (eq 'head condition)
7307 (get-text-property (point-min) 'mime-view-entity))))
7308 val elem buttonized)
7309 (gnus-run-hooks 'gnus-part-display-hook)
7310 (unless gnus-inhibit-treatment
7311 (dolist (elem alist)
7314 (when (gnus-buffer-live-p gnus-summary-buffer)
7315 (set-buffer gnus-summary-buffer))
7316 (symbol-value (car elem))))
7317 (when (and (or (consp val)
7319 (gnus-treat-predicate val)
7320 (or (not (get (car elem) 'highlight))
7322 (when (and (not buttonized)
7324 '(gnus-treat-hide-signature
7325 gnus-treat-highlight-signature)))
7326 (gnus-article-buttonize-signature)
7327 (setq buttonized t))
7329 (funcall (cadr elem)))))
7330 ;; FSF Emacsen does not inherit the existing text properties
7331 ;; in the new text, so we should do it for `mime-view-entity'.
7332 (static-unless (featurep 'xemacs)
7334 (put-text-property (point-min) (point-max)
7335 'mime-view-entity entity))))))
7337 ;; Dynamic variables.
7339 (defvar part-number)
7340 (defvar total-parts)
7345 (defun gnus-treat-predicate (val)
7350 (stringp (car val)))
7351 (apply 'gnus-or (mapcar `(lambda (s)
7352 (string-match s ,(or gnus-newsgroup-name "")))
7355 (let ((pred (pop val)))
7358 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
7360 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
7362 (not (gnus-treat-predicate (car val))))
7364 (equal (car val) type))
7366 (error "%S is not a valid predicate" pred)))))
7376 (eq part-number total-parts))
7380 (error "%S is not a valid value" val))))
7382 (defun gnus-article-encrypt-body (protocol &optional n)
7383 "Encrypt the article body."
7386 (or gnus-article-encrypt-protocol
7387 (completing-read "Encrypt protocol: "
7388 gnus-article-encrypt-protocol-alist
7390 current-prefix-arg))
7391 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
7393 (error (format "Can't find the encrypt protocol %s" protocol)))
7394 (if (member gnus-newsgroup-name '("nndraft:delayed"
7397 (error "Can't encrypt the article in group %s"
7398 gnus-newsgroup-name))
7399 (gnus-summary-iterate n
7401 (set-buffer gnus-summary-buffer)
7402 (let ((mail-parse-charset gnus-newsgroup-charset)
7403 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
7404 (summary-buffer gnus-summary-buffer)
7406 (gnus-set-global-variables)
7407 (when (gnus-group-read-only-p)
7408 (error "The current newsgroup does not support article encrypt"))
7409 (gnus-summary-show-article t)
7411 (or (mail-header-references gnus-current-headers) ""))
7412 (set-buffer gnus-article-buffer)
7413 (let* ((buffer-read-only nil)
7415 (mapcar (lambda (field)
7416 (and (save-restriction
7417 (message-narrow-to-head)
7418 (goto-char (point-min))
7419 (search-forward field nil t))
7421 (message-narrow-to-field)
7423 (delete-region (point-min) (point-max))
7425 '("Content-Type:" "Content-Transfer-Encoding:"
7426 "Content-Disposition:"))))
7427 (message-narrow-to-head)
7428 (message-remove-header "MIME-Version")
7429 (goto-char (point-max))
7430 (setq point (point))
7431 (insert (apply 'concat headers))
7433 (narrow-to-region point (point-max))
7434 (let ((message-options message-options))
7435 (message-options-set 'message-sender user-mail-address)
7436 (message-options-set 'message-recipients user-mail-address)
7437 (message-options-set 'message-sign-encrypt 'not)
7439 (goto-char (point-min))
7440 (insert "MIME-Version: 1.0\n")
7442 (gnus-summary-edit-article-done
7443 references nil summary-buffer t))
7444 (when gnus-keep-backlog
7445 (gnus-backlog-remove-article
7446 (car gnus-article-current) (cdr gnus-article-current)))
7448 (when (get-buffer gnus-original-article-buffer)
7449 (set-buffer gnus-original-article-buffer)
7450 (setq gnus-original-article nil)))
7451 (when gnus-use-cache
7452 (gnus-cache-update-article
7453 (car gnus-article-current) (cdr gnus-article-current))))))))
7455 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
7456 "The following specs can be used:
7457 %t The security MIME type
7460 %D Details if button is pressed")
7462 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
7463 "The following specs can be used:
7464 %t The security MIME type
7467 %D Details if button is pressed")
7469 (defvar gnus-mime-security-button-line-format-alist
7470 '((?t gnus-tmp-type ?s)
7471 (?i gnus-tmp-info ?s)
7472 (?d gnus-tmp-details ?s)
7473 (?D gnus-tmp-pressed-details ?s)))
7475 (defvar gnus-mime-security-button-map
7476 (let ((map (make-sparse-keymap)))
7477 (define-key map gnus-mouse-2 'gnus-article-push-button)
7478 (define-key map "\r" 'gnus-article-press-button)
7481 (defvar gnus-mime-security-details-buffer nil)
7483 (defvar gnus-mime-security-button-pressed nil)
7485 (defvar gnus-mime-security-show-details-inline t
7486 "If non-nil, show details in the article buffer.")
7488 (defun gnus-mime-security-verify-or-decrypt (handle)
7489 (mm-remove-parts (cdr handle))
7490 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
7491 point buffer-read-only)
7493 (goto-char (car region)))
7495 (narrow-to-region (point) (point))
7496 (with-current-buffer (mm-handle-multipart-original-buffer handle)
7497 (let* ((mm-verify-option 'known)
7498 (mm-decrypt-option 'known)
7499 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
7500 (unless (eq nparts (cdr handle))
7501 (mm-destroy-parts (cdr handle))
7502 (setcdr handle nparts))))
7503 (setq point (point))
7504 (gnus-mime-display-security handle)
7505 (goto-char (point-max)))
7507 (delete-region (point) (cdr region))
7508 (set-marker (car region) nil)
7509 (set-marker (cdr region) nil))
7512 (defun gnus-mime-security-show-details (handle)
7513 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
7515 (gnus-message 5 "No details.")
7516 (if gnus-mime-security-show-details-inline
7517 (let ((gnus-mime-security-button-pressed
7518 (not (get-text-property (point) 'gnus-mime-details)))
7519 (gnus-mime-security-button-line-format
7520 (get-text-property (point) 'gnus-line-format))
7523 (while (eq (get-text-property (point) 'gnus-line-format)
7524 gnus-mime-security-button-line-format)
7528 (narrow-to-region (point) (point))
7529 (gnus-insert-mime-security-button handle))
7530 (delete-region (point)
7531 (or (text-property-not-all
7534 gnus-mime-security-button-line-format)
7537 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
7538 (with-current-buffer gnus-mime-security-details-buffer
7541 (setq gnus-mime-security-details-buffer
7542 (gnus-get-buffer-create "*MIME Security Details*")))
7543 (with-current-buffer gnus-mime-security-details-buffer
7545 (goto-char (point-min)))
7546 (pop-to-buffer gnus-mime-security-details-buffer)))))
7548 (defun gnus-mime-security-press-button (handle)
7550 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7551 (gnus-mime-security-show-details handle)
7552 (gnus-mime-security-verify-or-decrypt handle))))
7554 (defun gnus-insert-mime-security-button (handle &optional displayed)
7555 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
7558 (or (nth 2 (assoc protocol mm-verify-function-alist))
7559 (nth 2 (assoc protocol mm-decrypt-function-alist))
7561 (if (equal (car handle) "multipart/signed")
7562 " Signed" " Encrypted")
7565 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7568 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
7569 gnus-tmp-pressed-details
7571 (setq gnus-tmp-details
7572 (if gnus-tmp-details
7573 (concat "\n" gnus-tmp-details)
7575 (setq gnus-tmp-pressed-details
7576 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
7581 gnus-mime-security-button-line-format
7582 gnus-mime-security-button-line-format-alist
7583 `(keymap ,gnus-mime-security-button-map
7584 gnus-callback gnus-mime-security-press-button
7585 gnus-line-format ,gnus-mime-security-button-line-format
7586 gnus-mime-details ,gnus-mime-security-button-pressed
7587 article-type annotation
7590 ;; Exclude a newline.
7593 (widget-convert-button
7596 :action 'gnus-widget-press-button
7597 :button-keymap gnus-mime-security-button-map
7599 (lambda (widget/window &optional overlay pos)
7600 ;; Needed to properly clear the message due to a bug in
7601 ;; wid-edit (XEmacs only).
7602 (when (boundp 'help-echo-owns-message)
7603 (setq help-echo-owns-message t))
7606 (aref gnus-mouse-2 0))))))
7608 (defun gnus-mime-display-security (handle)
7610 (narrow-to-region (point) (point))
7611 (unless (gnus-unbuttonized-mime-type-p (car handle))
7612 (gnus-insert-mime-security-button handle))
7613 (gnus-mime-display-mixed (cdr handle))
7616 (unless (gnus-unbuttonized-mime-type-p (car handle))
7617 (let ((gnus-mime-security-button-line-format
7618 gnus-mime-security-button-end-line-format))
7619 (gnus-insert-mime-security-button handle)))
7620 (mm-set-handle-multipart-parameter
7622 (cons (set-marker (make-marker) (point-min))
7623 (set-marker (make-marker) (point-max))))))
7629 (defun gnus-article-header-presentation-method (entity situation)
7630 (mime-insert-header entity)
7631 (article-decode-group-name))
7633 (set-alist 'mime-header-presentation-method-alist
7634 'gnus-original-article-mode
7635 #'gnus-article-header-presentation-method)
7637 (defun gnus-mime-preview-quitting-method ()
7638 (mime-preview-kill-buffer)
7639 (delete-other-windows)
7640 (gnus-article-show-summary)
7641 (gnus-summary-select-article gnus-show-all-headers t))
7643 (set-alist 'mime-preview-quitting-method-alist
7644 'gnus-original-article-mode #'gnus-mime-preview-quitting-method)
7646 (set-alist 'mime-preview-following-method-alist
7647 'gnus-original-article-mode #'gnus-following-method)
7649 (set-alist 'mime-preview-over-to-previous-method-alist
7650 'gnus-original-article-mode
7652 (if (> (point-min) 1)
7653 (gnus-article-prev-page)
7654 (gnus-article-read-summary-keys
7655 nil (gnus-character-to-event ?P)))))
7657 (set-alist 'mime-preview-over-to-next-method-alist
7658 'gnus-original-article-mode'
7660 (if (< (point-max) (buffer-size))
7661 (gnus-article-next-page)
7662 (gnus-article-read-summary-keys
7663 nil (gnus-character-to-event ?N)))))
7673 (run-hooks 'gnus-art-load-hook)
7675 ;;; gnus-art.el ends here