1 ;;; gnus-art.el --- article mode commands for Gnus
3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 ;; 2005, 2006 Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 ;; Boston, MA 02110-1301, USA.
33 (defvar w3m-minor-mode-map))
36 ;; Avoid the "Recursive load suspected" error in Emacs 21.1.
38 (let ((recursive-load-depth-limit 100))
51 (autoload 'gnus-msg-mail "gnus-msg" nil t)
52 (autoload 'gnus-button-mailto "gnus-msg")
53 (autoload 'gnus-button-reply "gnus-msg" nil t)
54 (autoload 'parse-time-string "parse-time" nil nil)
55 (autoload 'ansi-color-apply-on-region "ansi-color")
57 (defgroup gnus-article nil
59 :link '(custom-manual "(gnus)Article Buffer")
62 (defgroup gnus-article-treat nil
63 "Treating article parts."
64 :link '(custom-manual "(gnus)Article Hiding")
67 (defgroup gnus-article-hiding nil
68 "Hiding article parts."
69 :link '(custom-manual "(gnus)Article Hiding")
72 (defgroup gnus-article-highlight nil
73 "Article highlighting."
74 :link '(custom-manual "(gnus)Article Highlighting")
78 (defgroup gnus-article-signature nil
80 :link '(custom-manual "(gnus)Article Signature")
83 (defgroup gnus-article-headers nil
85 :link '(custom-manual "(gnus)Hiding Headers")
88 (defgroup gnus-article-washing nil
89 "Special commands on articles."
90 :link '(custom-manual "(gnus)Article Washing")
93 (defgroup gnus-article-emphasis nil
94 "Fontisizing articles."
95 :link '(custom-manual "(gnus)Article Fontisizing")
98 (defgroup gnus-article-saving nil
100 :link '(custom-manual "(gnus)Saving Articles")
101 :group 'gnus-article)
103 (defgroup gnus-article-mime nil
104 "Worshiping the MIME wonder."
105 :link '(custom-manual "(gnus)Using MIME")
106 :group 'gnus-article)
108 (defgroup gnus-article-buttons nil
109 "Pushable buttons in the article buffer."
110 :link '(custom-manual "(gnus)Article Buttons")
111 :group 'gnus-article)
113 (defgroup gnus-article-various nil
114 "Other article options."
115 :link '(custom-manual "(gnus)Misc Article")
116 :group 'gnus-article)
118 (defcustom gnus-ignored-headers
121 (concat "^" header ":"))
122 '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
123 "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
124 "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
125 "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
126 "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
127 "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
128 "X-Attribution" "X-Originating-IP" "Delivered-To"
129 "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
130 "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
131 "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
132 "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
133 "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
134 "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
135 "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
136 "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
137 "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
138 "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
139 "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
140 "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
141 "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
142 "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
143 "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
144 "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
145 "List-[A-Za-z]+" "X-Listprocessor-Version"
146 "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
147 "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
148 "X-Received" "Content-length" "X-precedence"
149 "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
150 "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
151 "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
152 "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
153 "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
154 "X-Content-length" "X-Posting-Agent" "Original-Received"
155 "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
156 "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
157 "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
158 "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
159 "X-Abuse-and-DMCA-Info" "X-Postfilter" "X-Gpg-.*" "X-Disclaimer"))
160 "*All headers that start with this regexp will be hidden.
161 This variable can also be a list of regexps of headers to be ignored.
162 If `gnus-visible-headers' is non-nil, this variable will be ignored."
163 :type '(choice :custom-show nil
166 :group 'gnus-article-hiding)
168 (defcustom gnus-visible-headers
169 "^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:"
170 "*All headers that do not match this regexp will be hidden.
171 This variable can also be a list of regexp of headers to remain visible.
172 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
173 :type '(repeat :value-to-internal (lambda (widget value)
174 (custom-split-regexp-maybe value))
175 :match (lambda (widget value)
177 (widget-editable-list-match widget value)))
179 :group 'gnus-article-hiding)
181 (defcustom gnus-sorted-header-list
182 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
183 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
184 "*This variable is a list of regular expressions.
185 If it is non-nil, headers that match the regular expressions will
186 be placed first in the article buffer in the sequence specified by
188 :type '(repeat regexp)
189 :group 'gnus-article-hiding)
191 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
192 "Headers that are only to be displayed if they have interesting data.
193 Possible values in this list are:
195 'empty Headers with no content.
196 'newsgroups Newsgroup identical to Gnus group.
197 'to-address To identical to To-address.
198 'to-list To identical to To-list.
199 'cc-list CC identical to To-list.
200 'followup-to Followup-to identical to Newsgroups.
201 'reply-to Reply-to identical to From.
202 'date Date less than four days old.
203 'long-to To and/or Cc longer than 1024 characters.
204 'many-to Multiple To and/or Cc."
205 :type '(set (const :tag "Headers with no content." empty)
206 (const :tag "Newsgroups identical to Gnus group." newsgroups)
207 (const :tag "To identical to To-address." to-address)
208 (const :tag "To identical to To-list." to-list)
209 (const :tag "CC identical to To-list." cc-list)
210 (const :tag "Followup-to identical to Newsgroups." followup-to)
211 (const :tag "Reply-to identical to From." reply-to)
212 (const :tag "Date less than four days old." date)
213 (const :tag "To and/or Cc longer than 1024 characters." long-to)
214 (const :tag "Multiple To and/or Cc headers." many-to))
215 :group 'gnus-article-hiding)
217 (defcustom gnus-article-skip-boring nil
218 "Skip over text that is not worth reading.
219 By default, if you set this t, then Gnus will display citations and
220 signatures, but will never scroll down to show you a page consisting
221 only of boring text. Boring text is controlled by
222 `gnus-article-boring-faces'."
225 :group 'gnus-article-hiding)
227 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
228 "Regexp matching signature separator.
229 This can also be a list of regexps. In that case, it will be checked
230 from head to tail looking for a separator. Searches will be done from
231 the end of the buffer."
232 :type '(choice :format "%{%t%}: %[Value Menu%]\n%v"
234 (repeat :tag "List of regexp" regexp))
235 :group 'gnus-article-signature)
237 (defcustom gnus-signature-limit nil
238 "Provide a limit to what is considered a signature.
239 If it is a number, no signature may not be longer (in characters) than
240 that number. If it is a floating point number, no signature may be
241 longer (in lines) than that number. If it is a function, the function
242 will be called without any parameters, and if it returns nil, there is
243 no signature in the buffer. If it is a string, it will be used as a
244 regexp. If it matches, the text in question is not a signature.
246 This can also be a list of the above values."
247 :type '(choice (const nil)
250 (function :value fun)
251 (regexp :value ".*"))
252 :group 'gnus-article-signature)
254 (defcustom gnus-hidden-properties '(invisible t intangible t)
255 "Property list to use for hiding text."
257 :group 'gnus-article-hiding)
259 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
260 ;; frames in a session.
261 (defcustom gnus-article-x-face-command
262 (if (featurep 'xemacs)
263 (if (or (gnus-image-type-available-p 'xface)
264 (gnus-image-type-available-p 'pbm))
265 'gnus-display-x-face-in-from
266 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
267 (if (gnus-image-type-available-p 'pbm)
268 'gnus-display-x-face-in-from
269 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
271 "*String or function to be executed to display an X-Face header.
272 If it is a string, the command will be executed in a sub-shell
273 asynchronously. The compressed face will be piped to this command."
274 :type `(choice string
275 (function-item gnus-display-x-face-in-from)
279 :group 'gnus-article-washing)
281 (defcustom gnus-article-x-face-too-ugly nil
282 "Regexp matching posters whose face shouldn't be shown automatically."
283 :type '(choice regexp (const nil))
284 :group 'gnus-article-washing)
286 (defcustom gnus-article-banner-alist nil
287 "Banner alist for stripping.
289 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
291 :type '(repeat (cons symbol regexp))
292 :group 'gnus-article-washing)
294 (gnus-define-group-parameter
297 "Alist of regexps (to match group names) and banner."
298 :variable-group gnus-article-washing
300 '(choice :tag "Banner"
302 (const :tag "Remove signature" signature)
303 (symbol :tag "Item in `gnus-article-banner-alist'" none)
305 (const :tag "None" nil))
307 "If non-nil, specify how to remove `banners' from articles.
309 Symbol `signature' means to remove signatures delimited by
310 `gnus-signature-separator'. Any other symbol is used to look up a
311 regular expression to match the banner in `gnus-article-banner-alist'.
312 A string is used as a regular expression to match the banner
315 (defcustom gnus-article-address-banner-alist nil
316 "Alist of mail addresses and banners.
317 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
318 to match a mail address in the From: header, BANNER is one of a symbol
319 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
320 If ADDRESS matches author's mail address, it will remove things like
321 advertisements. For example:
323 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
327 (regexp :tag "Address")
328 (choice :tag "Banner" :value nil
329 (const :tag "Remove signature" signature)
330 (symbol :tag "Item in `gnus-article-banner-alist'" none)
332 (const :tag "None" nil))))
334 :group 'gnus-article-washing)
336 (defmacro gnus-emphasis-custom-with-format (&rest body)
338 \\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\
339 \\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)"))
342 (defun gnus-emphasis-custom-value-to-external (value)
343 (gnus-emphasis-custom-with-format
344 (if (consp (car value))
345 (list (format format (car (car value)) (cdr (car value)))
347 (if (nth 1 value) 2 3)
351 (defun gnus-emphasis-custom-value-to-internal (value)
352 (gnus-emphasis-custom-with-format
353 (let ((regexp (concat "\\`"
354 (format (regexp-quote format)
355 "\\([^()]+\\)" "\\([^()]+\\)")
358 (if (string-match regexp (setq pattern (car value)))
359 (list (cons (match-string 1 pattern) (match-string 2 pattern))
364 (defcustom gnus-emphasis-alist
366 '(("\\*" "\\*" bold nil 2)
369 ("_/" "/_" underline-italic)
370 ("_\\*" "\\*_" underline-bold)
371 ("\\*/" "/\\*" bold-italic)
372 ("_\\*/" "/\\*_" underline-bold-italic))))
374 (gnus-emphasis-custom-with-format
375 (mapcar (lambda (spec)
376 (list (format format (car spec) (cadr spec))
379 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
381 '(;; I've never seen anyone use this strikethru convention whereas I've
382 ;; several times seen it triggered by normal text. --Stef
383 ;; Miles suggests that this form is sometimes used but for italics,
384 ;; so maybe we should map it to `italic'.
385 ;; ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
386 ;; 2 3 gnus-emphasis-strikethru)
387 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
388 2 3 gnus-emphasis-underline))))
389 "*Alist that says how to fontify certain phrases.
390 Each item looks like this:
392 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
394 The first element is a regular expression to be matched. The second
395 is a number that says what regular expression grouping used to find
396 the entire emphasized word. The third is a number that says what
397 regexp grouping should be displayed and highlighted. The fourth
398 is the face used for highlighting."
402 :format "%[Customizing Style%]\n%v"
404 (group :tag "Default"
405 :value ("" 0 0 default)
408 (let ((value (widget-get
409 (cadr (widget-get (widget-get widget :parent)
412 (if (not (eq (nth 2 value) 'default))
416 (gnus-emphasis-custom-value-to-external value))))
417 (widget-group-value-create widget))
419 (integer :format "Match group: %v")
420 (integer :format "Emphasize group: %v")
423 :value (("_" . "_") nil default)
425 (regexp :format "Start regexp: %v")
426 (regexp :format "End regexp: %v"))
427 (boolean :format "Show start and end patterns: %[%v%]\n"
428 :on " On " :off " Off ")
430 :get (lambda (symbol)
431 (mapcar 'gnus-emphasis-custom-value-to-internal
432 (default-value symbol)))
433 :set (lambda (symbol value)
434 (set-default symbol (mapcar 'gnus-emphasis-custom-value-to-external
436 :group 'gnus-article-emphasis)
438 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
439 "A regexp to describe whitespace which should not be emphasized.
440 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
441 The former avoids underlining of leading and trailing whitespace,
442 and the latter avoids underlining any whitespace at all."
444 :group 'gnus-article-emphasis
447 (defface gnus-emphasis-bold '((t (:bold t)))
448 "Face used for displaying strong emphasized text (*word*)."
449 :group 'gnus-article-emphasis)
451 (defface gnus-emphasis-italic '((t (:italic t)))
452 "Face used for displaying italic emphasized text (/word/)."
453 :group 'gnus-article-emphasis)
455 (defface gnus-emphasis-underline '((t (:underline t)))
456 "Face used for displaying underlined emphasized text (_word_)."
457 :group 'gnus-article-emphasis)
459 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
460 "Face used for displaying underlined bold emphasized text (_*word*_)."
461 :group 'gnus-article-emphasis)
463 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
464 "Face used for displaying underlined italic emphasized text (_/word/_)."
465 :group 'gnus-article-emphasis)
467 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
468 "Face used for displaying bold italic emphasized text (/*word*/)."
469 :group 'gnus-article-emphasis)
471 (defface gnus-emphasis-underline-bold-italic
472 '((t (:bold t :italic t :underline t)))
473 "Face used for displaying underlined bold italic emphasized text.
474 Example: (_/*word*/_)."
475 :group 'gnus-article-emphasis)
477 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
478 '((t (:strikethru t)))
479 '((t (:strike-through t))))
480 "Face used for displaying strike-through text (-word-)."
481 :group 'gnus-article-emphasis)
483 (defface gnus-emphasis-highlight-words
484 '((t (:background "black" :foreground "yellow")))
485 "Face used for displaying highlighted words."
486 :group 'gnus-article-emphasis)
488 (defcustom gnus-article-time-format "%a, %d %b %Y %T %Z"
489 "Format for display of Date headers in article bodies.
490 See `format-time-string' for the possible values.
492 The variable can also be function, which should return a complete Date
493 header. The function is called with one argument, the time, which can
494 be fed to `format-time-string'."
495 :type '(choice string function)
496 :link '(custom-manual "(gnus)Article Date")
497 :group 'gnus-article-washing)
499 (defcustom gnus-save-all-headers t
500 "*If non-nil, don't remove any headers before saving."
501 :group 'gnus-article-saving
504 (defcustom gnus-prompt-before-saving 'always
505 "*This variable says how much prompting is to be done when saving articles.
506 If it is nil, no prompting will be done, and the articles will be
507 saved to the default files. If this variable is `always', each and
508 every article that is saved will be preceded by a prompt, even when
509 saving large batches of articles. If this variable is neither nil not
510 `always', there the user will be prompted once for a file name for
511 each invocation of the saving commands."
512 :group 'gnus-article-saving
513 :type '(choice (item always)
514 (item :tag "never" nil)
515 (sexp :tag "once" :format "%t\n" :value t)))
517 (defcustom gnus-saved-headers gnus-visible-headers
518 "Headers to keep if `gnus-save-all-headers' is nil.
519 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
520 If that variable is nil, however, all headers that match this regexp
521 will be kept while the rest will be deleted before saving."
522 :group 'gnus-article-saving
525 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
526 "A function to save articles in your favourite format.
527 The function must be interactively callable (in other words, it must
528 be an Emacs command).
530 Gnus provides the following functions:
532 * gnus-summary-save-in-rmail (Rmail format)
533 * gnus-summary-save-in-mail (Unix mail format)
534 * gnus-summary-save-in-folder (MH folder)
535 * gnus-summary-save-in-file (article format)
536 * gnus-summary-save-body-in-file (article body)
537 * gnus-summary-save-in-vm (use VM's folder format)
538 * gnus-summary-write-to-file (article format -- overwrite)."
539 :group 'gnus-article-saving
540 :type '(radio (function-item gnus-summary-save-in-rmail)
541 (function-item gnus-summary-save-in-mail)
542 (function-item gnus-summary-save-in-folder)
543 (function-item gnus-summary-save-in-file)
544 (function-item gnus-summary-save-body-in-file)
545 (function-item gnus-summary-save-in-vm)
546 (function-item gnus-summary-write-to-file)
549 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
550 "A function generating a file name to save articles in Rmail format.
551 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
552 :group 'gnus-article-saving
555 (defcustom gnus-mail-save-name 'gnus-plain-save-name
556 "A function generating a file name to save articles in Unix mail format.
557 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
558 :group 'gnus-article-saving
561 (defcustom gnus-folder-save-name 'gnus-folder-save-name
562 "A function generating a file name to save articles in MH folder.
563 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
564 :group 'gnus-article-saving
567 (defcustom gnus-file-save-name 'gnus-numeric-save-name
568 "A function generating a file name to save articles in article format.
569 The function is called with NEWSGROUP, HEADERS, and optional
571 :group 'gnus-article-saving
574 (defcustom gnus-split-methods
575 '((gnus-article-archive-name)
576 (gnus-article-nndoc-name))
577 "*Variable used to suggest where articles are to be saved.
578 For instance, if you would like to save articles related to Gnus in
579 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
580 you could set this variable to something like:
582 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
583 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
585 This variable is an alist where the key is the match and the
586 value is a list of possible files to save in if the match is
589 If the match is a string, it is used as a regexp match on the
590 article. If the match is a symbol, that symbol will be funcalled
591 from the buffer of the article to be saved with the newsgroup as
592 the parameter. If it is a list, it will be evaled in the same
595 If this form or function returns a string, this string will be
596 used as a possible file name; and if it returns a non-nil list,
597 that list will be used as possible file names."
598 :group 'gnus-article-saving
599 :type '(repeat (choice (list :value (fun) function)
600 (cons :value ("" "") regexp (repeat string))
603 (defcustom gnus-page-delimiter "^\^L"
604 "*Regexp describing what to use as article page delimiters.
605 The default value is \"^\^L\", which is a form linefeed at the
606 beginning of a line."
608 :group 'gnus-article-various)
610 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
611 "*The format specification for the article mode line.
612 See `gnus-summary-mode-line-format' for a closer description.
614 The following additional specs are available:
616 %w The article washing status.
617 %m The number of MIME parts in the article."
619 :group 'gnus-article-various)
621 (defcustom gnus-article-mode-hook nil
622 "*A hook for Gnus article mode."
624 :group 'gnus-article-various)
626 (when (featurep 'xemacs)
627 ;; Extracted from gnus-xmas-define in order to preserve user settings
628 (when (fboundp 'turn-off-scroll-in-place)
629 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
630 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
631 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
633 (defcustom gnus-article-menu-hook nil
634 "*Hook run after the creation of the article mode menu."
636 :group 'gnus-article-various)
638 (defcustom gnus-article-prepare-hook nil
639 "*A hook called after an article has been prepared in the article buffer."
641 :group 'gnus-article-various)
643 (defcustom gnus-copy-article-ignored-headers nil
644 "List of headers to be removed when copying an article.
645 Each element is a regular expression."
646 :version "23.0" ;; No Gnus
647 :type '(repeat regexp)
648 :group 'gnus-article-various)
650 (make-obsolete-variable 'gnus-article-hide-pgp-hook
651 "This variable is obsolete in Gnus 5.10.")
653 (defcustom gnus-article-button-face 'bold
654 "Face used for highlighting buttons in the article buffer.
656 An article button is a piece of text that you can activate by pressing
657 `RET' or `mouse-2' above it."
659 :group 'gnus-article-buttons)
661 (defcustom gnus-article-mouse-face 'highlight
662 "Face used for mouse highlighting in the article buffer.
664 Article buttons will be displayed in this face when the cursor is
667 :group 'gnus-article-buttons)
669 (defcustom gnus-signature-face 'gnus-signature
670 "Face used for highlighting a signature in the article buffer.
671 Obsolete; use the face `gnus-signature' for customizations instead."
673 :group 'gnus-article-highlight
674 :group 'gnus-article-signature)
676 (defface gnus-signature
679 "Face used for highlighting a signature in the article buffer."
680 :group 'gnus-article-highlight
681 :group 'gnus-article-signature)
682 ;; backward-compatibility alias
683 (put 'gnus-signature-face 'face-alias 'gnus-signature)
685 (defface gnus-header-from
688 (:foreground "spring green"))
691 (:foreground "red3"))
694 "Face used for displaying from headers."
695 :group 'gnus-article-headers
696 :group 'gnus-article-highlight)
697 ;; backward-compatibility alias
698 (put 'gnus-header-from-face 'face-alias 'gnus-header-from)
700 (defface gnus-header-subject
703 (:foreground "SeaGreen3"))
706 (:foreground "red4"))
708 (:bold t :italic t)))
709 "Face used for displaying subject headers."
710 :group 'gnus-article-headers
711 :group 'gnus-article-highlight)
712 ;; backward-compatibility alias
713 (put 'gnus-header-subject-face 'face-alias 'gnus-header-subject)
715 (defface gnus-header-newsgroups
718 (:foreground "yellow" :italic t))
721 (:foreground "MidnightBlue" :italic t))
724 "Face used for displaying newsgroups headers.
725 In the default setup this face is only used for crossposted
727 :group 'gnus-article-headers
728 :group 'gnus-article-highlight)
729 ;; backward-compatibility alias
730 (put 'gnus-header-newsgroups-face 'face-alias 'gnus-header-newsgroups)
732 (defface gnus-header-name
735 (:foreground "SeaGreen"))
738 (:foreground "maroon"))
741 "Face used for displaying header names."
742 :group 'gnus-article-headers
743 :group 'gnus-article-highlight)
744 ;; backward-compatibility alias
745 (put 'gnus-header-name-face 'face-alias 'gnus-header-name)
747 (defface gnus-header-content
750 (:foreground "forest green" :italic t))
753 (:foreground "indianred4" :italic t))
755 (:italic t))) "Face used for displaying header content."
756 :group 'gnus-article-headers
757 :group 'gnus-article-highlight)
758 ;; backward-compatibility alias
759 (put 'gnus-header-content-face 'face-alias 'gnus-header-content)
761 (defcustom gnus-header-face-alist
762 '(("From" nil gnus-header-from)
763 ("Subject" nil gnus-header-subject)
764 ("Newsgroups:.*," nil gnus-header-newsgroups)
765 ("" gnus-header-name gnus-header-content))
766 "*Controls highlighting of article headers.
768 An alist of the form (HEADER NAME CONTENT).
770 HEADER is a regular expression which should match the name of a
771 header and NAME and CONTENT are either face names or nil.
773 The name of each header field will be displayed using the face
774 specified by the first element in the list where HEADER matches
775 the header name and NAME is non-nil. Similarly, the content will
776 be displayed by the first non-nil matching CONTENT face."
777 :group 'gnus-article-headers
778 :group 'gnus-article-highlight
779 :type '(repeat (list (regexp :tag "Header")
781 (item :tag "skip" nil)
782 (face :value default))
783 (choice :tag "Content"
784 (item :tag "skip" nil)
785 (face :value default)))))
787 (defcustom gnus-article-decode-hook
788 '(article-decode-charset article-decode-encoded-words
789 article-decode-group-name article-decode-idna-rhs)
790 "*Hook run to decode charsets in articles."
791 :group 'gnus-article-headers
794 (defcustom gnus-display-mime-function 'gnus-display-mime
795 "Function to display MIME articles."
796 :group 'gnus-article-mime
799 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
800 "Function used to decode headers.")
802 (defvar gnus-article-dumbquotes-map
822 "Table for MS-to-Latin1 translation.")
824 (defcustom gnus-ignored-mime-types nil
825 "List of MIME types that should be ignored by Gnus."
827 :group 'gnus-article-mime
828 :type '(repeat regexp))
830 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
831 "List of MIME types that should not be given buttons when rendered inline.
832 See also `gnus-buttonized-mime-types' which may override this variable.
833 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
835 :group 'gnus-article-mime
836 :type '(repeat regexp))
838 (defcustom gnus-buttonized-mime-types nil
839 "List of MIME types that should be given buttons when rendered inline.
840 If set, this variable overrides `gnus-unbuttonized-mime-types'.
841 To see e.g. security buttons you could set this to
842 `(\"multipart/signed\")'. You could also add \"multipart/alternative\" to
843 this list to display radio buttons that allow you to choose one of two
844 media types those mails include. See also `mm-discouraged-alternatives'.
845 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
847 :group 'gnus-article-mime
848 :type '(repeat regexp))
850 (defcustom gnus-inhibit-mime-unbuttonizing nil
851 "If non-nil, all MIME parts get buttons.
852 When nil (the default value), then some MIME parts do not get buttons,
853 as described by the variables `gnus-buttonized-mime-types' and
854 `gnus-unbuttonized-mime-types'."
856 :group 'gnus-article-mime
859 (defcustom gnus-body-boundary-delimiter "_"
860 "String used to delimit header and body.
861 This variable is used by `gnus-article-treat-body-boundary' which can
862 be controlled by `gnus-treat-body-boundary'."
864 :group 'gnus-article-various
865 :type '(choice (item :tag "None" :value nil)
868 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces"
870 "Defines the location of the faces database.
871 For information on obtaining this database of pretty pictures, please
872 see http://www.cs.indiana.edu/picons/ftp/index.html"
874 :type '(repeat directory)
875 :link '(url-link :tag "download"
876 "http://www.cs.indiana.edu/picons/ftp/index.html")
877 :link '(custom-manual "(gnus)Picons")
880 (defun gnus-picons-installed-p ()
881 "Say whether picons are installed on your machine."
882 (let ((installed nil))
883 (dolist (database gnus-picon-databases)
884 (when (file-exists-p database)
888 (defcustom gnus-article-mime-part-function nil
889 "Function called with a MIME handle as the argument.
890 This is meant for people who want to do something automatic based
891 on parts -- for instance, adding Vcard info to a database."
892 :group 'gnus-article-mime
893 :type '(choice (const nil)
896 (defcustom gnus-mime-multipart-functions nil
897 "An alist of MIME types to functions to display them."
899 :group 'gnus-article-mime
900 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
902 (defcustom gnus-article-date-lapsed-new-header nil
903 "Whether the X-Sent and Date headers can coexist.
904 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
905 either replace the old \"Date:\" header (if this variable is nil), or
906 be added below it (otherwise)."
908 :group 'gnus-article-headers
911 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
912 "Function called with a MIME handle as the argument.
913 This is meant for people who want to view first matched part.
914 For `undisplayed-alternative' (default), the first undisplayed
915 part or alternative part is used. For `undisplayed', the first
916 undisplayed part is used. For a function, the first part which
917 the function return t is used. For nil, the first part is
920 :group 'gnus-article-mime
922 (item :tag "first" :value nil)
923 (item :tag "undisplayed" :value undisplayed)
924 (item :tag "undisplayed or alternative"
925 :value undisplayed-alternative)
928 (defcustom gnus-mime-action-alist
929 '(("save to file" . gnus-mime-save-part)
930 ("save and strip" . gnus-mime-save-part-and-strip)
931 ("replace with file" . gnus-mime-replace-part)
932 ("delete part" . gnus-mime-delete-part)
933 ("display as text" . gnus-mime-inline-part)
934 ("view the part" . gnus-mime-view-part)
935 ("pipe to command" . gnus-mime-pipe-part)
936 ("toggle display" . gnus-article-press-button)
937 ("toggle display" . gnus-article-view-part-as-charset)
938 ("view as type" . gnus-mime-view-part-as-type)
939 ("view internally" . gnus-mime-view-part-internally)
940 ("view externally" . gnus-mime-view-part-externally))
941 "An alist of actions that run on the MIME attachment."
942 :group 'gnus-article-mime
943 :type '(repeat (cons (string :tag "name")
946 (defcustom gnus-auto-select-part 1
947 "Advance to next MIME part when deleting or stripping parts.
949 When 0, point will be placed on the same part as before. When
950 positive (negative), move point forward (backwards) this many
951 parts. When nil, redisplay article."
952 :version "23.0" ;; No Gnus
953 :group 'gnus-article-mime
954 :type '(choice (const nil :tag "Redisplay article.")
955 (const 1 :tag "Next part.")
956 (const 0 :tag "Current part.")
960 ;;; The treatment variables
963 (defvar gnus-part-display-hook nil
964 "Hook called on parts that are to receive treatment.")
966 (defvar gnus-article-treat-custom
967 '(choice (const :tag "Off" nil)
969 (const :tag "Header" head)
970 (const :tag "First" first)
971 (const :tag "Last" last)
972 (integer :tag "Less")
973 (repeat :tag "Groups" regexp)
974 (sexp :tag "Predicate")))
976 (defvar gnus-article-treat-head-custom
977 '(choice (const :tag "Off" nil)
978 (const :tag "Header" head)))
980 (defvar gnus-article-treat-types '("text/plain")
983 (defvar gnus-inhibit-treatment nil
984 "Whether to inhibit treatment.")
986 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
987 "Highlight the signature.
988 Valid values are nil, t, `head', `first', `last', an integer or a
989 predicate. See Info node `(gnus)Customizing Articles'."
990 :group 'gnus-article-treat
991 :link '(custom-manual "(gnus)Customizing Articles")
992 :type gnus-article-treat-custom)
993 (put 'gnus-treat-highlight-signature 'highlight t)
995 (defcustom gnus-treat-buttonize 100000
997 Valid values are nil, t, `head', `first', `last', an integer or a
998 predicate. See Info node `(gnus)Customizing Articles'."
999 :group 'gnus-article-treat
1000 :link '(custom-manual "(gnus)Customizing Articles")
1001 :type gnus-article-treat-custom)
1002 (put 'gnus-treat-buttonize 'highlight t)
1004 (defcustom gnus-treat-buttonize-head 'head
1005 "Add buttons to the head.
1006 Valid values are nil, t, `head', `first', `last', an integer or a
1007 predicate. See Info node `(gnus)Customizing Articles'."
1008 :group 'gnus-article-treat
1009 :link '(custom-manual "(gnus)Customizing Articles")
1010 :type gnus-article-treat-head-custom)
1011 (put 'gnus-treat-buttonize-head 'highlight t)
1013 (defcustom gnus-treat-emphasize
1014 (and (or window-system
1018 Valid values are nil, t, `head', `first', `last', an integer or a
1019 predicate. See Info node `(gnus)Customizing Articles'."
1020 :group 'gnus-article-treat
1021 :link '(custom-manual "(gnus)Customizing Articles")
1022 :type gnus-article-treat-custom)
1023 (put 'gnus-treat-emphasize 'highlight t)
1025 (defcustom gnus-treat-strip-cr nil
1026 "Remove carriage returns.
1027 Valid values are nil, t, `head', `first', `last', an integer or a
1028 predicate. See Info node `(gnus)Customizing Articles'."
1030 :group 'gnus-article-treat
1031 :link '(custom-manual "(gnus)Customizing Articles")
1032 :type gnus-article-treat-custom)
1034 (defcustom gnus-treat-unsplit-urls nil
1035 "Remove newlines from within URLs.
1036 Valid values are nil, t, `head', `first', `last', an integer or a
1037 predicate. See Info node `(gnus)Customizing Articles'."
1039 :group 'gnus-article-treat
1040 :link '(custom-manual "(gnus)Customizing Articles")
1041 :type gnus-article-treat-custom)
1043 (defcustom gnus-treat-leading-whitespace nil
1044 "Remove leading whitespace in headers.
1045 Valid values are nil, t, `head', `first', `last', an integer or a
1046 predicate. See Info node `(gnus)Customizing Articles'."
1048 :group 'gnus-article-treat
1049 :link '(custom-manual "(gnus)Customizing Articles")
1050 :type gnus-article-treat-custom)
1052 (defcustom gnus-treat-hide-headers 'head
1054 Valid values are nil, t, `head', `first', `last', an integer or a
1055 predicate. See Info node `(gnus)Customizing Articles'."
1056 :group 'gnus-article-treat
1057 :link '(custom-manual "(gnus)Customizing Articles")
1058 :type gnus-article-treat-head-custom)
1060 (defcustom gnus-treat-hide-boring-headers nil
1061 "Hide boring headers.
1062 Valid values are nil, t, `head', `first', `last', an integer or a
1063 predicate. See Info node `(gnus)Customizing Articles'."
1064 :group 'gnus-article-treat
1065 :link '(custom-manual "(gnus)Customizing Articles")
1066 :type gnus-article-treat-head-custom)
1068 (defcustom gnus-treat-hide-signature nil
1069 "Hide the signature.
1070 Valid values are nil, t, `head', `first', `last', an integer or a
1071 predicate. See Info node `(gnus)Customizing Articles'."
1072 :group 'gnus-article-treat
1073 :link '(custom-manual "(gnus)Customizing Articles")
1074 :type gnus-article-treat-custom)
1076 (defcustom gnus-treat-fill-article nil
1078 Valid values are nil, t, `head', `first', `last', an integer or a
1079 predicate. See Info node `(gnus)Customizing Articles'."
1080 :group 'gnus-article-treat
1081 :link '(custom-manual "(gnus)Customizing Articles")
1082 :type gnus-article-treat-custom)
1084 (defcustom gnus-treat-hide-citation nil
1086 Valid values are nil, t, `head', `first', `last', an integer or a
1087 predicate. See Info node `(gnus)Customizing Articles'."
1088 :group 'gnus-article-treat
1089 :link '(custom-manual "(gnus)Customizing Articles")
1090 :type gnus-article-treat-custom)
1092 (defcustom gnus-treat-hide-citation-maybe nil
1094 Valid values are nil, t, `head', `first', `last', an integer or a
1095 predicate. See Info node `(gnus)Customizing Articles'."
1096 :group 'gnus-article-treat
1097 :link '(custom-manual "(gnus)Customizing Articles")
1098 :type gnus-article-treat-custom)
1100 (defcustom gnus-treat-strip-list-identifiers 'head
1101 "Strip list identifiers from `gnus-list-identifiers`.
1102 Valid values are nil, t, `head', `first', `last', an integer or a
1103 predicate. See Info node `(gnus)Customizing Articles'."
1105 :group 'gnus-article-treat
1106 :link '(custom-manual "(gnus)Customizing Articles")
1107 :type gnus-article-treat-custom)
1109 (make-obsolete-variable 'gnus-treat-strip-pgp
1110 "This option is obsolete in Gnus 5.10.")
1112 (defcustom gnus-treat-strip-pem nil
1113 "Strip PEM signatures.
1114 Valid values are nil, t, `head', `first', `last', an integer or a
1115 predicate. See Info node `(gnus)Customizing Articles'."
1116 :group 'gnus-article-treat
1117 :link '(custom-manual "(gnus)Customizing Articles")
1118 :type gnus-article-treat-custom)
1120 (defcustom gnus-treat-strip-banner t
1121 "Strip banners from articles.
1122 The banner to be stripped is specified in the `banner' group parameter.
1123 Valid values are nil, t, `head', `first', `last', an integer or a
1124 predicate. See Info node `(gnus)Customizing Articles'."
1125 :group 'gnus-article-treat
1126 :link '(custom-manual "(gnus)Customizing Articles")
1127 :type gnus-article-treat-custom)
1129 (defcustom gnus-treat-highlight-headers 'head
1130 "Highlight the headers.
1131 Valid values are nil, t, `head', `first', `last', an integer or a
1132 predicate. See Info node `(gnus)Customizing Articles'."
1133 :group 'gnus-article-treat
1134 :link '(custom-manual "(gnus)Customizing Articles")
1135 :type gnus-article-treat-head-custom)
1136 (put 'gnus-treat-highlight-headers 'highlight t)
1138 (defcustom gnus-treat-highlight-citation t
1139 "Highlight cited text.
1140 Valid values are nil, t, `head', `first', `last', an integer or a
1141 predicate. See Info node `(gnus)Customizing Articles'."
1142 :group 'gnus-article-treat
1143 :link '(custom-manual "(gnus)Customizing Articles")
1144 :type gnus-article-treat-custom)
1145 (put 'gnus-treat-highlight-citation 'highlight t)
1147 (defcustom gnus-treat-date-ut nil
1148 "Display the Date in UT (GMT).
1149 Valid values are nil, t, `head', `first', `last', an integer or a
1150 predicate. See Info node `(gnus)Customizing Articles'."
1151 :group 'gnus-article-treat
1152 :link '(custom-manual "(gnus)Customizing Articles")
1153 :type gnus-article-treat-head-custom)
1155 (defcustom gnus-treat-date-local nil
1156 "Display the Date in the local timezone.
1157 Valid values are nil, t, `head', `first', `last', an integer or a
1158 predicate. See Info node `(gnus)Customizing Articles'."
1159 :group 'gnus-article-treat
1160 :link '(custom-manual "(gnus)Customizing Articles")
1161 :type gnus-article-treat-head-custom)
1163 (defcustom gnus-treat-date-english nil
1164 "Display the Date in a format that can be read aloud in English.
1165 Valid values are nil, t, `head', `first', `last', an integer or a
1166 predicate. See Info node `(gnus)Customizing Articles'."
1168 :group 'gnus-article-treat
1169 :link '(custom-manual "(gnus)Customizing Articles")
1170 :type gnus-article-treat-head-custom)
1172 (defcustom gnus-treat-date-lapsed nil
1173 "Display the Date header in a way that says how much time has elapsed.
1174 Valid values are nil, t, `head', `first', `last', an integer or a
1175 predicate. See Info node `(gnus)Customizing Articles'."
1176 :group 'gnus-article-treat
1177 :link '(custom-manual "(gnus)Customizing Articles")
1178 :type gnus-article-treat-head-custom)
1180 (defcustom gnus-treat-date-original nil
1181 "Display the date in the original timezone.
1182 Valid values are nil, t, `head', `first', `last', an integer or a
1183 predicate. See Info node `(gnus)Customizing Articles'."
1184 :group 'gnus-article-treat
1185 :link '(custom-manual "(gnus)Customizing Articles")
1186 :type gnus-article-treat-head-custom)
1188 (defcustom gnus-treat-date-iso8601 nil
1189 "Display the date in the ISO8601 format.
1190 Valid values are nil, t, `head', `first', `last', an integer or a
1191 predicate. See Info node `(gnus)Customizing Articles'."
1193 :group 'gnus-article-treat
1194 :link '(custom-manual "(gnus)Customizing Articles")
1195 :type gnus-article-treat-head-custom)
1197 (defcustom gnus-treat-date-user-defined nil
1198 "Display the date in a user-defined format.
1199 The format is defined by the `gnus-article-time-format' variable.
1200 Valid values are nil, t, `head', `first', `last', an integer or a
1201 predicate. See Info node `(gnus)Customizing Articles'."
1202 :group 'gnus-article-treat
1203 :link '(custom-manual "(gnus)Customizing Articles")
1204 :type gnus-article-treat-head-custom)
1206 (defcustom gnus-treat-strip-headers-in-body t
1207 "Strip the X-No-Archive header line from the beginning of the body.
1208 Valid values are nil, t, `head', `first', `last', an integer or a
1209 predicate. See Info node `(gnus)Customizing Articles'."
1211 :group 'gnus-article-treat
1212 :link '(custom-manual "(gnus)Customizing Articles")
1213 :type gnus-article-treat-custom)
1215 (defcustom gnus-treat-strip-trailing-blank-lines nil
1216 "Strip trailing blank lines.
1217 Valid values are nil, t, `head', `first', `last', an integer or a
1218 predicate. See Info node `(gnus)Customizing Articles'.
1220 When set to t, it also strips trailing blanks in all MIME parts.
1221 Consider to use `last' instead."
1222 :group 'gnus-article-treat
1223 :link '(custom-manual "(gnus)Customizing Articles")
1224 :type gnus-article-treat-custom)
1226 (defcustom gnus-treat-strip-leading-blank-lines nil
1227 "Strip leading blank lines.
1228 Valid values are nil, t, `head', `first', `last', an integer or a
1229 predicate. See Info node `(gnus)Customizing Articles'.
1231 When set to t, it also strips trailing blanks in all MIME parts."
1232 :group 'gnus-article-treat
1233 :link '(custom-manual "(gnus)Customizing Articles")
1234 :type gnus-article-treat-custom)
1236 (defcustom gnus-treat-strip-multiple-blank-lines nil
1237 "Strip multiple blank lines.
1238 Valid values are nil, t, `head', `first', `last', an integer or a
1239 predicate. See Info node `(gnus)Customizing Articles'."
1240 :group 'gnus-article-treat
1241 :link '(custom-manual "(gnus)Customizing Articles")
1242 :type gnus-article-treat-custom)
1244 (defcustom gnus-treat-unfold-headers 'head
1245 "Unfold folded header lines.
1246 Valid values are nil, t, `head', `first', `last', an integer or a
1247 predicate. See Info node `(gnus)Customizing Articles'."
1249 :group 'gnus-article-treat
1250 :link '(custom-manual "(gnus)Customizing Articles")
1251 :type gnus-article-treat-custom)
1253 (defcustom gnus-treat-fold-headers nil
1255 Valid values are nil, t, `head', `first', `last', an integer or a
1256 predicate. See Info node `(gnus)Customizing Articles'."
1258 :group 'gnus-article-treat
1259 :link '(custom-manual "(gnus)Customizing Articles")
1260 :type gnus-article-treat-custom)
1262 (defcustom gnus-treat-fold-newsgroups 'head
1263 "Fold the Newsgroups and Followup-To headers.
1264 Valid values are nil, t, `head', `first', `last', an integer or a
1265 predicate. See Info node `(gnus)Customizing Articles'."
1267 :group 'gnus-article-treat
1268 :link '(custom-manual "(gnus)Customizing Articles")
1269 :type gnus-article-treat-custom)
1271 (defcustom gnus-treat-overstrike t
1272 "Treat overstrike highlighting.
1273 Valid values are nil, t, `head', `first', `last', an integer or a
1274 predicate. See Info node `(gnus)Customizing Articles'."
1275 :group 'gnus-article-treat
1276 :link '(custom-manual "(gnus)Customizing Articles")
1277 :type gnus-article-treat-custom)
1278 (put 'gnus-treat-overstrike 'highlight t)
1280 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1281 "Treat ANSI SGR control sequences.
1282 Valid values are nil, t, `head', `first', `last', an integer or a
1283 predicate. See Info node `(gnus)Customizing Articles'."
1284 :group 'gnus-article-treat
1285 :link '(custom-manual "(gnus)Customizing Articles")
1286 :type gnus-article-treat-custom)
1288 (make-obsolete-variable 'gnus-treat-display-xface
1289 'gnus-treat-display-x-face)
1291 (defcustom gnus-treat-display-x-face
1292 (and (not noninteractive)
1293 (or (and (fboundp 'image-type-available-p)
1294 (image-type-available-p 'xbm)
1295 (string-match "^0x" (shell-command-to-string "uncompface"))
1296 (executable-find "icontopbm"))
1297 (and (featurep 'xemacs)
1300 "Display X-Face headers.
1301 Valid values are nil, t, `head', `first', `last', an integer or a
1302 predicate. See Info node `(gnus)Customizing Articles' and Info
1303 node `(gnus)X-Face' for details."
1304 :group 'gnus-article-treat
1306 :link '(custom-manual "(gnus)Customizing Articles")
1307 :link '(custom-manual "(gnus)X-Face")
1308 :type gnus-article-treat-head-custom
1309 :set (lambda (symbol value)
1312 (cond ((or (boundp symbol) (get symbol 'saved-value))
1314 ((boundp 'gnus-treat-display-xface)
1316 ** gnus-treat-display-xface is an obsolete variable;\
1317 use gnus-treat-display-x-face instead")
1318 (default-value 'gnus-treat-display-xface))
1319 ((get 'gnus-treat-display-xface 'saved-value)
1321 ** gnus-treat-display-xface is an obsolete variable;\
1322 use gnus-treat-display-x-face instead")
1323 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1326 (put 'gnus-treat-display-x-face 'highlight t)
1328 (defcustom gnus-treat-display-face
1329 (and (not noninteractive)
1330 (or (and (fboundp 'image-type-available-p)
1331 (image-type-available-p 'png))
1332 (and (featurep 'xemacs)
1335 "Display Face headers.
1336 Valid values are nil, t, `head', `first', `last', an integer or a
1337 predicate. See Info node `(gnus)Customizing Articles' and Info
1338 node `(gnus)X-Face' for details."
1339 :group 'gnus-article-treat
1341 :link '(custom-manual "(gnus)Customizing Articles")
1342 :link '(custom-manual "(gnus)X-Face")
1343 :type gnus-article-treat-head-custom)
1344 (put 'gnus-treat-display-face 'highlight t)
1346 (defcustom gnus-treat-display-smileys
1347 (if (or (and (featurep 'xemacs)
1349 (and (fboundp 'image-type-available-p)
1350 (image-type-available-p 'pbm)))
1353 Valid values are nil, t, `head', `first', `last', an integer or a
1354 predicate. See Info node `(gnus)Customizing Articles' and Info
1355 node `(gnus)Smileys' for details."
1356 :group 'gnus-article-treat
1358 :link '(custom-manual "(gnus)Customizing Articles")
1359 :link '(custom-manual "(gnus)Smileys")
1360 :type gnus-article-treat-custom)
1361 (put 'gnus-treat-display-smileys 'highlight t)
1363 (defcustom gnus-treat-from-picon
1364 (if (and (gnus-image-type-available-p 'xpm)
1365 (gnus-picons-installed-p))
1367 "Display picons in the From header.
1368 Valid values are nil, t, `head', `first', `last', an integer or a
1369 predicate. See Info node `(gnus)Customizing Articles' and Info
1370 node `(gnus)Picons' for details."
1372 :group 'gnus-article-treat
1374 :link '(custom-manual "(gnus)Customizing Articles")
1375 :link '(custom-manual "(gnus)Picons")
1376 :type gnus-article-treat-head-custom)
1377 (put 'gnus-treat-from-picon 'highlight t)
1379 (defcustom gnus-treat-mail-picon
1380 (if (and (gnus-image-type-available-p 'xpm)
1381 (gnus-picons-installed-p))
1383 "Display picons in To and Cc headers.
1384 Valid values are nil, t, `head', `first', `last', an integer or a
1385 predicate. See Info node `(gnus)Customizing Articles' and Info
1386 node `(gnus)Picons' for details."
1388 :group 'gnus-article-treat
1390 :link '(custom-manual "(gnus)Customizing Articles")
1391 :link '(custom-manual "(gnus)Picons")
1392 :type gnus-article-treat-head-custom)
1393 (put 'gnus-treat-mail-picon 'highlight t)
1395 (defcustom gnus-treat-newsgroups-picon
1396 (if (and (gnus-image-type-available-p 'xpm)
1397 (gnus-picons-installed-p))
1399 "Display picons in the Newsgroups and Followup-To headers.
1400 Valid values are nil, t, `head', `first', `last', an integer or a
1401 predicate. See Info node `(gnus)Customizing Articles' and Info
1402 node `(gnus)Picons' for details."
1404 :group 'gnus-article-treat
1406 :link '(custom-manual "(gnus)Customizing Articles")
1407 :link '(custom-manual "(gnus)Picons")
1408 :type gnus-article-treat-head-custom)
1409 (put 'gnus-treat-newsgroups-picon 'highlight t)
1411 (defcustom gnus-treat-body-boundary
1412 (if (and (eq window-system 'x)
1413 (or gnus-treat-newsgroups-picon
1414 gnus-treat-mail-picon
1415 gnus-treat-from-picon))
1417 "Draw a boundary at the end of the headers.
1418 Valid values are nil and `head'.
1419 See Info node `(gnus)Customizing Articles' for details."
1421 :group 'gnus-article-treat
1422 :link '(custom-manual "(gnus)Customizing Articles")
1423 :type gnus-article-treat-head-custom)
1425 (defcustom gnus-treat-capitalize-sentences nil
1426 "Capitalize sentence-starting words.
1427 Valid values are nil, t, `head', `first', `last', an integer or a
1428 predicate. See Info node `(gnus)Customizing Articles'."
1430 :group 'gnus-article-treat
1431 :link '(custom-manual "(gnus)Customizing Articles")
1432 :type gnus-article-treat-custom)
1434 (defcustom gnus-treat-wash-html nil
1436 Valid values are nil, t, `head', `first', `last', an integer or a
1437 predicate. See Info node `(gnus)Customizing Articles'."
1439 :group 'gnus-article-treat
1440 :link '(custom-manual "(gnus)Customizing Articles")
1441 :type gnus-article-treat-custom)
1443 (defcustom gnus-treat-fill-long-lines nil
1445 Valid values are nil, t, `head', `first', `last', an integer or a
1446 predicate. See Info node `(gnus)Customizing Articles'."
1447 :group 'gnus-article-treat
1448 :link '(custom-manual "(gnus)Customizing Articles")
1449 :type gnus-article-treat-custom)
1451 (defcustom gnus-treat-play-sounds nil
1453 Valid values are nil, t, `head', `first', `last', an integer or a
1454 predicate. See Info node `(gnus)Customizing Articles'."
1456 :group 'gnus-article-treat
1457 :link '(custom-manual "(gnus)Customizing Articles")
1458 :type gnus-article-treat-custom)
1460 (defcustom gnus-treat-translate nil
1461 "Translate articles from one language to another.
1462 Valid values are nil, t, `head', `first', `last', an integer or a
1463 predicate. See Info node `(gnus)Customizing Articles'."
1465 :group 'gnus-article-treat
1466 :link '(custom-manual "(gnus)Customizing Articles")
1467 :type gnus-article-treat-custom)
1469 (defcustom gnus-treat-x-pgp-sig nil
1471 To automatically treat X-PGP-Sig, set it to head.
1472 Valid values are nil, t, `head', `first', `last', an integer or a
1473 predicate. See Info node `(gnus)Customizing Articles'."
1475 :group 'gnus-article-treat
1476 :group 'mime-security
1477 :link '(custom-manual "(gnus)Customizing Articles")
1478 :type gnus-article-treat-custom)
1480 (defvar gnus-article-encrypt-protocol-alist
1481 '(("PGP" . mml2015-self-encrypt)))
1483 ;; Set to nil if more than one protocol added to
1484 ;; gnus-article-encrypt-protocol-alist.
1485 (defcustom gnus-article-encrypt-protocol "PGP"
1486 "The protocol used for encrypt articles.
1487 It is a string, such as \"PGP\". If nil, ask user."
1490 :group 'mime-security)
1492 (defvar gnus-article-wash-function nil
1493 "Function used for converting HTML into text.")
1495 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1496 (mm-coding-system-p 'utf-8)
1497 (executable-find idna-program))
1498 "Whether IDNA decoding of headers is used when viewing messages.
1499 This requires GNU Libidn, and by default only enabled if it is found."
1501 :group 'gnus-article-headers
1504 (defcustom gnus-article-over-scroll nil
1505 "If non-nil, allow scrolling the article buffer even when there no more text."
1507 :group 'gnus-article
1510 ;;; Internal variables
1512 (defvar gnus-english-month-names
1513 '("January" "February" "March" "April" "May" "June" "July" "August"
1514 "September" "October" "November" "December"))
1516 (defvar gnus-button-regexp nil)
1517 (defvar gnus-button-marker-list nil)
1518 ;; Regexp matching any of the regexps from `gnus-button-alist'.
1520 (defvar gnus-button-last nil)
1521 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
1523 (defvar article-goto-body-goes-to-point-min-p nil)
1524 (defvar gnus-article-wash-types nil)
1525 (defvar gnus-article-emphasis-alist nil)
1526 (defvar gnus-article-image-alist nil)
1528 (defvar gnus-article-mime-handle-alist-1 nil)
1529 (defvar gnus-treatment-function-alist
1530 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1531 (gnus-treat-strip-banner gnus-article-strip-banner)
1532 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1533 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1534 (gnus-treat-buttonize gnus-article-add-buttons)
1535 (gnus-treat-fill-article gnus-article-fill-cited-article)
1536 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1537 (gnus-treat-strip-cr gnus-article-remove-cr)
1538 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1539 (gnus-treat-date-ut gnus-article-date-ut)
1540 (gnus-treat-date-local gnus-article-date-local)
1541 (gnus-treat-date-english gnus-article-date-english)
1542 (gnus-treat-date-original gnus-article-date-original)
1543 (gnus-treat-date-user-defined gnus-article-date-user)
1544 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1545 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1546 (gnus-treat-display-x-face gnus-article-display-x-face)
1547 (gnus-treat-display-face gnus-article-display-face)
1548 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1549 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1550 (gnus-treat-hide-signature gnus-article-hide-signature)
1551 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1552 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1553 (gnus-treat-strip-pem gnus-article-hide-pem)
1554 (gnus-treat-from-picon gnus-treat-from-picon)
1555 (gnus-treat-mail-picon gnus-treat-mail-picon)
1556 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1557 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1558 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1559 (gnus-treat-strip-trailing-blank-lines
1560 gnus-article-remove-trailing-blank-lines)
1561 (gnus-treat-strip-leading-blank-lines
1562 gnus-article-strip-leading-blank-lines)
1563 (gnus-treat-strip-multiple-blank-lines
1564 gnus-article-strip-multiple-blank-lines)
1565 (gnus-treat-overstrike gnus-article-treat-overstrike)
1566 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1567 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1568 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1569 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1570 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1571 (gnus-treat-display-smileys gnus-treat-smiley)
1572 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1573 (gnus-treat-wash-html gnus-article-wash-html)
1574 (gnus-treat-emphasize gnus-article-emphasize)
1575 (gnus-treat-hide-citation gnus-article-hide-citation)
1576 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1577 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1578 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1579 (gnus-treat-play-sounds gnus-earcon-display)))
1581 (defvar gnus-article-mime-handle-alist nil)
1582 (defvar article-lapsed-timer nil)
1583 (defvar gnus-article-current-summary nil)
1585 (defvar gnus-article-mode-syntax-table
1586 (let ((table (copy-syntax-table text-mode-syntax-table)))
1587 ;; This causes the citation match run O(2^n).
1588 ;; (modify-syntax-entry ?- "w" table)
1589 (modify-syntax-entry ?> ")<" table)
1590 (modify-syntax-entry ?< "(>" table)
1591 ;; make M-. in article buffers work for `foo' strings
1592 (modify-syntax-entry ?' " " table)
1593 (modify-syntax-entry ?` " " table)
1595 "Syntax table used in article mode buffers.
1596 Initialized from `text-mode-syntax-table.")
1598 (defvar gnus-save-article-buffer nil)
1600 (defvar gnus-article-mode-line-format-alist
1601 (nconc '((?w (gnus-article-wash-status) ?s)
1602 (?m (gnus-article-mime-part-status) ?s))
1603 gnus-summary-mode-line-format-alist))
1605 (defvar gnus-number-of-articles-to-be-saved nil)
1607 (defvar gnus-inhibit-hiding nil)
1609 (defvar gnus-article-edit-mode nil)
1611 ;;; Macros for dealing with the article buffer.
1613 (defmacro gnus-with-article-headers (&rest forms)
1615 (set-buffer gnus-article-buffer)
1617 (let ((inhibit-read-only t)
1618 (inhibit-point-motion-hooks t)
1619 (case-fold-search t))
1620 (article-narrow-to-head)
1623 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1624 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1626 (defmacro gnus-with-article-buffer (&rest forms)
1628 (set-buffer gnus-article-buffer)
1629 (let ((inhibit-read-only t))
1632 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1633 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1635 (defun gnus-article-goto-header (header)
1636 "Go to HEADER, which is a regular expression."
1637 (re-search-forward (concat "^\\(" header "\\):") nil t))
1639 (defsubst gnus-article-hide-text (b e props)
1640 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1641 (gnus-add-text-properties-when 'article-type nil b e props)
1642 (when (memq 'intangible props)
1644 (max (1- b) (point-min))
1645 b 'intangible (cddr (memq 'intangible props)))))
1647 (defsubst gnus-article-unhide-text (b e)
1648 "Remove hidden text properties from region between B and E."
1649 (remove-text-properties b e gnus-hidden-properties)
1650 (when (memq 'intangible gnus-hidden-properties)
1651 (put-text-property (max (1- b) (point-min))
1652 b 'intangible nil)))
1654 (defun gnus-article-hide-text-type (b e type)
1655 "Hide text of TYPE between B and E."
1656 (gnus-add-wash-type type)
1657 (gnus-article-hide-text
1658 b e (cons 'article-type (cons type gnus-hidden-properties))))
1660 (defun gnus-article-unhide-text-type (b e type)
1661 "Unhide text of TYPE between B and E."
1662 (gnus-delete-wash-type type)
1663 (remove-text-properties
1664 b e (cons 'article-type (cons type gnus-hidden-properties)))
1665 (when (memq 'intangible gnus-hidden-properties)
1666 (put-text-property (max (1- b) (point-min))
1667 b 'intangible nil)))
1669 (defun gnus-article-hide-text-of-type (type)
1670 "Hide text of TYPE in the current buffer."
1672 (let ((b (point-min))
1674 (while (setq b (text-property-any b e 'article-type type))
1675 (add-text-properties b (incf b) gnus-hidden-properties)))))
1677 (defun gnus-article-delete-text-of-type (type)
1678 "Delete text of TYPE in the current buffer."
1680 (let ((b (point-min)))
1681 (if (eq type 'multipart)
1682 ;; Remove MIME buttons associated with multipart/alternative parts.
1685 (while (if (get-text-property (point) 'gnus-part)
1687 (when (setq b (next-single-property-change (point)
1692 (skip-chars-forward "\n")
1693 (when (eq (get-text-property b 'article-type) 'multipart)
1694 (delete-region b (point)))))
1695 (while (setq b (text-property-any b (point-max) 'article-type type))
1697 b (or (text-property-not-all b (point-max) 'article-type type)
1700 (defun gnus-article-delete-invisible-text ()
1701 "Delete all invisible text in the current buffer."
1703 (let ((b (point-min)))
1704 (while (setq b (text-property-any b (point-max) 'invisible t))
1706 b (or (text-property-not-all b (point-max) 'invisible t)
1709 (defun gnus-article-text-type-exists-p (type)
1710 "Say whether any text of type TYPE exists in the buffer."
1711 (text-property-any (point-min) (point-max) 'article-type type))
1713 (defsubst gnus-article-header-rank ()
1714 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1715 (let ((list gnus-sorted-header-list)
1718 (if (looking-at (car list))
1720 (setq list (cdr list))
1724 (defun article-hide-headers (&optional arg delete)
1725 "Hide unwanted headers and possibly sort them as well."
1727 ;; This function might be inhibited.
1728 (unless gnus-inhibit-hiding
1729 (let ((inhibit-read-only nil)
1730 (case-fold-search t)
1731 (max (1+ (length gnus-sorted-header-list)))
1732 (inhibit-point-motion-hooks t)
1733 (cur (current-buffer))
1734 ignored visible beg)
1736 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1737 ;; group parameters, so we should go to the summary buffer.
1740 (progn (set-buffer gnus-summary-buffer) t)
1742 (setq ignored (when (not gnus-visible-headers)
1743 (cond ((stringp gnus-ignored-headers)
1744 gnus-ignored-headers)
1745 ((listp gnus-ignored-headers)
1746 (mapconcat 'identity
1747 gnus-ignored-headers
1749 visible (cond ((stringp gnus-visible-headers)
1750 gnus-visible-headers)
1751 ((and gnus-visible-headers
1752 (listp gnus-visible-headers))
1753 (mapconcat 'identity
1754 gnus-visible-headers
1758 ;; First we narrow to just the headers.
1759 (article-narrow-to-head)
1760 ;; Hide any "From " lines at the beginning of (mail) articles.
1761 (while (looking-at "From ")
1764 (delete-region (point-min) (point)))
1765 ;; Then treat the rest of the header lines.
1766 ;; Then we use the two regular expressions
1767 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1768 ;; select which header lines is to remain visible in the
1770 (while (re-search-forward "^[^ \t:]*:" nil t)
1772 ;; Mark the rank of the header.
1774 (point) (1+ (point)) 'message-rank
1775 (if (or (and visible (looking-at visible))
1777 (not (looking-at ignored))))
1778 (gnus-article-header-rank)
1781 (message-sort-headers-1)
1782 (when (setq beg (text-property-any
1783 (point-min) (point-max) 'message-rank (+ 2 max)))
1784 ;; We delete the unwanted headers.
1785 (gnus-add-wash-type 'headers)
1786 (add-text-properties (point-min) (+ 5 (point-min))
1787 '(article-type headers dummy-invisible t))
1788 (delete-region beg (point-max))))))))
1790 (defun article-hide-boring-headers (&optional arg)
1791 "Toggle hiding of headers that aren't very interesting.
1792 If given a negative prefix, always show; if given a positive prefix,
1794 (interactive (gnus-article-hidden-arg))
1795 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1796 (not gnus-show-all-headers))
1799 (let ((inhibit-read-only t)
1800 (inhibit-point-motion-hooks t))
1801 (article-narrow-to-head)
1802 (dolist (elem gnus-boring-article-headers)
1803 (goto-char (point-min))
1805 ;; Hide empty headers.
1807 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1809 (gnus-article-hide-text-type
1813 (if (re-search-forward "^[^ \t]" nil t)
1817 ;; Hide boring Newsgroups header.
1818 ((eq elem 'newsgroups)
1819 (when (gnus-string-equal
1820 (gnus-fetch-field "newsgroups")
1821 (gnus-group-real-name
1822 (if (boundp 'gnus-newsgroup-name)
1825 (gnus-article-hide-header "newsgroups")))
1826 ((eq elem 'to-address)
1827 (let ((to (message-fetch-field "to"))
1829 (gnus-parameter-to-address
1830 (if (boundp 'gnus-newsgroup-name)
1831 gnus-newsgroup-name ""))))
1832 (when (and to to-address
1835 ;; only one address in To
1836 (nth 1 (mail-extract-address-components to))
1838 (gnus-article-hide-header "to"))))
1840 (let ((to (message-fetch-field "to"))
1842 (gnus-parameter-to-list
1843 (if (boundp 'gnus-newsgroup-name)
1844 gnus-newsgroup-name ""))))
1845 (when (and to to-list
1848 ;; only one address in To
1849 (nth 1 (mail-extract-address-components to))
1851 (gnus-article-hide-header "to"))))
1853 (let ((cc (message-fetch-field "cc"))
1855 (gnus-parameter-to-list
1856 (if (boundp 'gnus-newsgroup-name)
1857 gnus-newsgroup-name ""))))
1858 (when (and cc to-list
1861 ;; only one address in CC
1862 (nth 1 (mail-extract-address-components cc))
1864 (gnus-article-hide-header "cc"))))
1865 ((eq elem 'followup-to)
1866 (when (gnus-string-equal
1867 (message-fetch-field "followup-to")
1868 (message-fetch-field "newsgroups"))
1869 (gnus-article-hide-header "followup-to")))
1870 ((eq elem 'reply-to)
1871 (if (gnus-group-find-parameter
1872 gnus-newsgroup-name 'broken-reply-to)
1873 (gnus-article-hide-header "reply-to")
1874 (let ((from (message-fetch-field "from"))
1875 (reply-to (message-fetch-field "reply-to")))
1882 (lambda (x) (downcase (cadr x)))
1883 (mail-extract-address-components from t))
1886 (lambda (x) (downcase (cadr x)))
1887 (mail-extract-address-components reply-to t))
1889 (gnus-article-hide-header "reply-to")))))
1891 (let ((date (message-fetch-field "date")))
1893 (< (days-between (current-time-string) date)
1895 (gnus-article-hide-header "date"))))
1897 (let ((to (message-fetch-field "to"))
1898 (cc (message-fetch-field "cc")))
1899 (when (> (length to) 1024)
1900 (gnus-article-hide-header "to"))
1901 (when (> (length cc) 1024)
1902 (gnus-article-hide-header "cc"))))
1906 (goto-char (point-min))
1907 (while (re-search-forward "^to:" nil t)
1908 (setq to-count (1+ to-count)))
1909 (when (> to-count 1)
1910 (while (> to-count 0)
1911 (goto-char (point-min))
1913 (re-search-forward "^to:" nil nil to-count)
1915 (narrow-to-region (point) (point-max))
1916 (gnus-article-hide-header "to"))
1917 (setq to-count (1- to-count))))
1918 (goto-char (point-min))
1919 (while (re-search-forward "^cc:" nil t)
1920 (setq cc-count (1+ cc-count)))
1921 (when (> cc-count 1)
1922 (while (> cc-count 0)
1923 (goto-char (point-min))
1925 (re-search-forward "^cc:" nil nil cc-count)
1927 (narrow-to-region (point) (point-max))
1928 (gnus-article-hide-header "cc"))
1929 (setq cc-count (1- cc-count)))))))))))))
1931 (defun gnus-article-hide-header (header)
1933 (goto-char (point-min))
1934 (when (re-search-forward (concat "^" header ":") nil t)
1935 (gnus-article-hide-text-type
1939 (if (re-search-forward "^[^ \t]" nil t)
1944 (defvar gnus-article-normalized-header-length 40
1945 "Length of normalized headers.")
1947 (defun article-normalize-headers ()
1948 "Make all header lines 40 characters long."
1950 (let ((inhibit-read-only t)
1954 (article-narrow-to-head)
1957 ((< (setq column (- (point-at-eol) (point)))
1958 gnus-article-normalized-header-length)
1960 (insert (make-string
1961 (- gnus-article-normalized-header-length column)
1963 ((> column gnus-article-normalized-header-length)
1964 (gnus-put-text-property
1966 (forward-char gnus-article-normalized-header-length)
1973 (forward-line 1))))))
1975 (defun article-treat-dumbquotes ()
1976 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
1977 Note that this function guesses whether a character is a sm*rtq**t* or
1978 not, so it should only be used interactively.
1980 Sm*rtq**t*s are M****s***'s unilateral extension to the
1981 iso-8859-1 character map in an attempt to provide more quoting
1982 characters. If you see something like \\222 or \\264 where
1983 you're expecting some kind of apostrophe or quotation mark, then
1986 (article-translate-strings gnus-article-dumbquotes-map))
1988 (defun article-translate-characters (from to)
1989 "Translate all characters in the body of the article according to FROM and TO.
1990 FROM is a string of characters to translate from; to is a string of
1991 characters to translate to."
1993 (when (article-goto-body)
1994 (let ((inhibit-read-only t)
1995 (x (make-string 225 ?x))
1997 (while (< (incf i) (length x))
2000 (while (< i (length from))
2001 (aset x (aref from i) (aref to i))
2003 (translate-region (point) (point-max) x)))))
2005 (defun article-translate-strings (map)
2006 "Translate all string in the body of the article according to MAP.
2007 MAP is an alist where the elements are on the form (\"from\" \"to\")."
2009 (when (article-goto-body)
2010 (let ((inhibit-read-only t))
2013 (while (search-forward (car elem) nil t)
2014 (replace-match (cadr elem)))))))))
2016 (defun article-treat-overstrike ()
2017 "Translate overstrikes into bold text."
2020 (when (article-goto-body)
2021 (let ((inhibit-read-only t))
2022 (while (search-forward "\b" nil t)
2023 (let ((next (char-after))
2024 (previous (char-after (- (point) 2))))
2025 ;; We do the boldification/underlining by hiding the
2026 ;; overstrikes and putting the proper text property
2030 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2031 (put-text-property (point) (1+ (point)) 'face 'bold))
2033 (gnus-article-hide-text-type
2034 (1- (point)) (1+ (point)) 'overstrike)
2036 (- (point) 2) (1- (point)) 'face 'underline))
2038 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2040 (point) (1+ (point)) 'face 'underline)))))))))
2042 (defun article-treat-ansi-sequences ()
2043 "Translate ANSI SGR control sequences into overlays or extents."
2046 (when (article-goto-body)
2047 (let ((inhibit-read-only t))
2048 (ansi-color-apply-on-region (point) (point-max))))))
2050 (defun gnus-article-treat-unfold-headers ()
2051 "Unfold folded message headers.
2052 Only the headers that fit into the current window width will be
2055 (gnus-with-article-headers
2059 (mail-header-narrow-to-field)
2060 (let ((header (buffer-string)))
2063 (goto-char (point-min))
2064 (while (re-search-forward "\n[\t ]" nil t)
2065 (replace-match " " t t)))
2066 (setq length (- (point-max) (point-min) 1)))
2067 (when (< length (window-width))
2068 (while (re-search-forward "\n[\t ]" nil t)
2069 (replace-match " " t t)))
2070 (goto-char (point-max)))))))
2072 (defun gnus-article-treat-fold-headers ()
2073 "Fold message headers."
2075 (gnus-with-article-headers
2078 (mail-header-narrow-to-field)
2079 (mail-header-fold-field)
2080 (goto-char (point-max))))))
2082 (defun gnus-treat-smiley ()
2083 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2085 (gnus-with-article-buffer
2086 (if (memq 'smiley gnus-article-wash-types)
2087 (gnus-delete-images 'smiley)
2089 (let ((images (smiley-region (point) (point-max))))
2091 (gnus-add-wash-type 'smiley)
2092 (dolist (image images)
2093 (gnus-add-image 'smiley image)))))))
2095 (defun gnus-article-remove-images ()
2096 "Remove all images from the article buffer."
2098 (gnus-with-article-buffer
2099 (dolist (elem gnus-article-image-alist)
2100 (gnus-delete-images (car elem)))))
2102 (defun gnus-article-treat-fold-newsgroups ()
2103 "Unfold folded message headers.
2104 Only the headers that fit into the current window width will be
2107 (gnus-with-article-headers
2108 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2110 (mail-header-narrow-to-field)
2111 (while (re-search-forward ", *" nil t)
2112 (replace-match ", " t t))
2113 (mail-header-fold-field)
2114 (goto-char (point-max))))))
2116 (defun gnus-article-treat-body-boundary ()
2117 "Place a boundary line at the end of the headers."
2119 (when (and gnus-body-boundary-delimiter
2120 (> (length gnus-body-boundary-delimiter) 0))
2121 (gnus-with-article-headers
2122 (goto-char (point-max))
2123 (let ((start (point)))
2124 (insert "X-Boundary: ")
2125 (gnus-add-text-properties start (point) '(invisible t intangible t))
2127 (while (>= (1- (window-width)) (length str))
2128 (setq str (concat str gnus-body-boundary-delimiter)))
2129 (substring str 0 (1- (window-width))))
2131 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2133 (defun article-fill-long-lines ()
2134 "Fill lines that are wider than the window width."
2137 (let ((inhibit-read-only t)
2138 (width (window-width (get-buffer-window (current-buffer)))))
2141 (let ((adaptive-fill-mode nil)) ;Why? -sm
2144 (when (>= (current-column) (min fill-column width))
2145 (narrow-to-region (min (1+ (point)) (point-max))
2147 (let ((goback (point-marker)))
2148 (fill-paragraph nil)
2149 (goto-char (marker-position goback)))
2151 (forward-line 1)))))))
2153 (defun article-capitalize-sentences ()
2154 "Capitalize the first word in each sentence."
2157 (let ((inhibit-read-only t)
2158 (paragraph-start "^[\n\^L]"))
2162 (forward-sentence)))))
2164 (defun article-remove-cr ()
2165 "Remove trailing CRs and then translate remaining CRs into LFs."
2168 (let ((inhibit-read-only t))
2169 (goto-char (point-min))
2170 (while (re-search-forward "\r+$" nil t)
2171 (replace-match "" t t))
2172 (goto-char (point-min))
2173 (while (search-forward "\r" nil t)
2174 (replace-match "\n" t t)))))
2176 (defun article-remove-trailing-blank-lines ()
2177 "Remove all trailing blank lines from the article."
2180 (let ((inhibit-read-only t))
2181 (goto-char (point-max))
2185 (while (and (not (bobp))
2186 (looking-at "^[ \t]*$")
2187 (not (gnus-annotation-in-region-p
2188 (point) (point-at-eol))))
2194 (defvar gnus-face-properties-alist))
2196 (defun article-display-face ()
2197 "Display any Face headers in the header."
2199 (let ((wash-face-p buffer-read-only))
2200 (gnus-with-article-headers
2201 ;; When displaying parts, this function can be called several times on
2202 ;; the same article, without any intended toggle semantic (as typing `W
2203 ;; D d' would have). So face deletion must occur only when we come from
2204 ;; an interactive command, that is when the *Article* buffer is
2206 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2207 (gnus-delete-images 'face)
2208 (let (face faces from)
2209 (save-current-buffer
2210 (when (and wash-face-p
2211 (gnus-buffer-live-p gnus-original-article-buffer)
2212 (not (re-search-forward "^Face:[\t ]*" nil t)))
2213 (set-buffer gnus-original-article-buffer))
2215 (mail-narrow-to-head)
2216 (while (gnus-article-goto-header "Face")
2217 (push (mail-header-field-value) faces))))
2219 (goto-char (point-min))
2220 (let ((from (gnus-article-goto-header "from"))
2225 (insert "[no `from' set]\n"))
2227 (when (setq png (gnus-convert-face-to-png (pop faces)))
2229 (apply 'gnus-create-image png 'png t
2230 (cdr (assq 'png gnus-face-properties-alist))))
2232 (gnus-add-wash-type 'face)
2233 (gnus-add-image 'face image)
2234 (gnus-put-image image nil 'face))))))))))
2236 (defun article-display-x-face (&optional force)
2237 "Look for an X-Face header and display it if present."
2238 (interactive (list 'force))
2239 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2240 (gnus-with-article-headers
2241 ;; Delete the old process, if any.
2242 (when (process-status "article-x-face")
2243 (delete-process "article-x-face"))
2244 ;; See the comment in `article-display-face'.
2245 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2246 ;; We have already displayed X-Faces, so we remove them
2248 (gnus-delete-images 'xface)
2250 (let (x-faces from face)
2251 (save-current-buffer
2252 (when (and wash-face-p
2253 (gnus-buffer-live-p gnus-original-article-buffer)
2254 (not (re-search-forward "^X-Face:[\t ]*" nil t)))
2255 ;; If type `W f', use gnus-original-article-buffer,
2256 ;; otherwise use the current buffer because displaying
2257 ;; RFC822 parts calls this function too.
2258 (set-buffer gnus-original-article-buffer))
2260 (mail-narrow-to-head)
2261 (while (gnus-article-goto-header "X-Face")
2262 (push (mail-header-field-value) x-faces))
2263 (setq from (message-fetch-field "from"))))
2264 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2265 ;; single external face.
2266 (when (stringp gnus-article-x-face-command)
2267 (setq x-faces (list (car x-faces))))
2269 gnus-article-x-face-command
2271 ;; Check whether this face is censored.
2272 (not gnus-article-x-face-too-ugly)
2274 (not (string-match gnus-article-x-face-too-ugly
2276 (while (setq face (pop x-faces))
2277 ;; We display the face.
2278 (cond ((stringp gnus-article-x-face-command)
2279 ;; The command is a string, so we interpret the command
2280 ;; as a, well, command, and fork it off.
2281 (let ((process-connection-type nil))
2282 (gnus-set-process-query-on-exit-flag
2284 "article-x-face" nil shell-file-name
2285 shell-command-switch gnus-article-x-face-command)
2289 (process-send-region "article-x-face"
2290 (point-min) (point-max)))
2291 (process-send-eof "article-x-face")))
2292 ((functionp gnus-article-x-face-command)
2293 ;; The command is a lisp function, so we call it.
2294 (funcall gnus-article-x-face-command face))
2296 (error "%s is not a function"
2297 gnus-article-x-face-command))))))))))
2299 (defun article-decode-mime-words ()
2300 "Decode all MIME-encoded words in the article."
2302 (gnus-with-article-buffer
2303 (let ((inhibit-point-motion-hooks t)
2304 (mail-parse-charset gnus-newsgroup-charset)
2305 (mail-parse-ignored-charsets
2306 (with-current-buffer gnus-summary-buffer
2307 gnus-newsgroup-ignored-charsets)))
2308 (mail-decode-encoded-word-region (point-min) (point-max)))))
2310 (defun article-decode-charset (&optional prompt)
2311 "Decode charset-encoded text in the article.
2312 If PROMPT (the prefix), prompt for a coding system to use."
2314 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2315 (inhibit-read-only t)
2316 (mail-parse-charset gnus-newsgroup-charset)
2317 (mail-parse-ignored-charsets
2318 (save-excursion (condition-case nil
2319 (set-buffer gnus-summary-buffer)
2321 gnus-newsgroup-ignored-charsets))
2322 ct cte ctl charset format)
2325 (article-narrow-to-head)
2326 (setq ct (message-fetch-field "Content-Type" t)
2327 cte (message-fetch-field "Content-Transfer-Encoding" t)
2328 ctl (and ct (mail-header-parse-content-type ct))
2331 (mm-read-coding-system "Charset to decode: "))
2333 (mail-content-type-get ctl 'charset)))
2334 format (and ctl (mail-content-type-get ctl 'format)))
2336 (setq cte (mail-header-strip cte)))
2337 (if (and ctl (not (string-match "/" (car ctl))))
2339 (goto-char (point-max)))
2342 (narrow-to-region (point) (point-max))
2343 (when (and (eq mail-parse-charset 'gnus-decoded)
2344 (eq (mm-body-7-or-8) '8bit))
2345 ;; The text code could have been decoded.
2346 (setq charset mail-parse-charset))
2347 (when (and (or (not ctl)
2348 (equal (car ctl) "text/plain"))
2349 (not format)) ;; article with format will decode later.
2351 charset (and cte (intern (downcase
2352 (gnus-strip-whitespace cte))))
2355 (defun article-decode-encoded-words ()
2356 "Remove encoded-word encoding from headers."
2357 (let ((inhibit-point-motion-hooks t)
2358 (mail-parse-charset gnus-newsgroup-charset)
2359 (mail-parse-ignored-charsets
2360 (save-excursion (condition-case nil
2361 (set-buffer gnus-summary-buffer)
2363 gnus-newsgroup-ignored-charsets))
2364 (inhibit-read-only t))
2366 (article-narrow-to-head)
2367 (funcall gnus-decode-header-function (point-min) (point-max)))))
2369 (defun article-decode-group-name ()
2370 "Decode group names in `Newsgroups:'."
2371 (let ((inhibit-point-motion-hooks t)
2372 (inhibit-read-only t)
2373 (method (gnus-find-method-for-group gnus-newsgroup-name)))
2374 (when (and (or gnus-group-name-charset-method-alist
2375 gnus-group-name-charset-group-alist)
2376 (gnus-buffer-live-p gnus-original-article-buffer))
2378 (article-narrow-to-head)
2379 (with-current-buffer gnus-original-article-buffer
2380 (goto-char (point-min)))
2381 (while (re-search-forward
2382 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2383 (replace-match (save-match-data
2384 (gnus-decode-newsgroups
2385 ;; XXX how to use data in article buffer?
2386 (with-current-buffer gnus-original-article-buffer
2388 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2391 gnus-newsgroup-name method))
2393 (goto-char (point-min))
2394 (with-current-buffer gnus-original-article-buffer
2395 (goto-char (point-min)))
2396 (while (re-search-forward
2397 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2398 (replace-match (save-match-data
2399 (gnus-decode-newsgroups
2400 ;; XXX how to use data in article buffer?
2401 (with-current-buffer gnus-original-article-buffer
2403 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2406 gnus-newsgroup-name method))
2409 (autoload 'idna-to-unicode "idna")
2411 (defun article-decode-idna-rhs ()
2412 "Decode IDNA strings in RHS in various headers in current buffer.
2413 The following headers are decoded: From:, To:, Cc:, Reply-To:,
2414 Mail-Reply-To: and Mail-Followup-To:."
2417 (let ((inhibit-point-motion-hooks t)
2418 (inhibit-read-only t))
2419 (article-narrow-to-head)
2420 (goto-char (point-min))
2421 (while (re-search-forward "@[^ \t\n\r,>]*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2423 (when (save-match-data
2424 (and (setq ace (match-string 1))
2426 (and (re-search-backward "^[^ \t]" nil t)
2427 (looking-at "From\\|To\\|Cc\\|Reply-To\\|Mail-Reply-To\\|Mail-Followup-To")))
2428 (setq unicode (idna-to-unicode ace))))
2429 (unless (string= ace unicode)
2430 (replace-match unicode nil nil nil 1)))))))))
2432 (defun article-de-quoted-unreadable (&optional force read-charset)
2433 "Translate a quoted-printable-encoded article.
2434 If FORCE, decode the article whether it is marked as quoted-printable
2436 If READ-CHARSET, ask for a coding system."
2437 (interactive (list 'force current-prefix-arg))
2439 (let ((inhibit-read-only t) type charset)
2440 (if (gnus-buffer-live-p gnus-original-article-buffer)
2441 (with-current-buffer gnus-original-article-buffer
2443 (gnus-fetch-field "content-transfer-encoding"))
2444 (let* ((ct (gnus-fetch-field "content-type"))
2445 (ctl (and ct (mail-header-parse-content-type ct))))
2446 (setq charset (and ctl
2447 (mail-content-type-get ctl 'charset)))
2448 (if (stringp charset)
2449 (setq charset (intern (downcase charset)))))))
2451 (setq charset (mm-read-coding-system "Charset: " charset)))
2453 (setq charset gnus-newsgroup-charset))
2455 (and type (let ((case-fold-search t))
2456 (string-match "quoted-printable" type))))
2458 (quoted-printable-decode-region
2459 (point) (point-max) (mm-charset-to-coding-system charset))))))
2461 (defun article-de-base64-unreadable (&optional force read-charset)
2462 "Translate a base64 article.
2463 If FORCE, decode the article whether it is marked as base64 not.
2464 If READ-CHARSET, ask for a coding system."
2465 (interactive (list 'force current-prefix-arg))
2467 (let ((inhibit-read-only t) type charset)
2468 (if (gnus-buffer-live-p gnus-original-article-buffer)
2469 (with-current-buffer gnus-original-article-buffer
2471 (gnus-fetch-field "content-transfer-encoding"))
2472 (let* ((ct (gnus-fetch-field "content-type"))
2473 (ctl (and ct (mail-header-parse-content-type ct))))
2474 (setq charset (and ctl
2475 (mail-content-type-get ctl 'charset)))
2476 (if (stringp charset)
2477 (setq charset (intern (downcase charset)))))))
2479 (setq charset (mm-read-coding-system "Charset: " charset)))
2481 (setq charset gnus-newsgroup-charset))
2483 (and type (let ((case-fold-search t))
2484 (string-match "base64" type))))
2487 (narrow-to-region (point) (point-max))
2488 (base64-decode-region (point-min) (point-max))
2489 (mm-decode-coding-region
2490 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2495 (defun article-decode-HZ ()
2496 "Translate a HZ-encoded article."
2500 (let ((inhibit-read-only t))
2501 (rfc1843-decode-region (point-min) (point-max)))))
2503 (defun article-unsplit-urls ()
2504 "Remove the newlines that some other mailers insert into URLs."
2507 (let ((inhibit-read-only t))
2508 (goto-char (point-min))
2509 (while (re-search-forward
2510 "\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2511 (replace-match "\\1\\3" t)))
2512 (when (interactive-p)
2513 (gnus-treat-article nil))))
2516 (defun article-wash-html (&optional read-charset)
2517 "Format an HTML article.
2518 If READ-CHARSET, ask for a coding system. If it is a number, the
2519 charset defined in `gnus-summary-show-article-charset-alist' is used."
2522 (let ((inhibit-read-only t)
2525 (if (or (and (numberp read-charset)
2529 gnus-summary-show-article-charset-alist))))
2530 (setq charset (mm-read-coding-system "Charset: ")))
2531 (let ((gnus-summary-show-article-charset-alist
2532 (list (cons 1 charset))))
2533 (with-current-buffer gnus-summary-buffer
2534 (gnus-summary-show-article 1)))
2535 (error "No charset is given"))
2536 (when (gnus-buffer-live-p gnus-original-article-buffer)
2537 (with-current-buffer gnus-original-article-buffer
2538 (let* ((ct (gnus-fetch-field "content-type"))
2539 (ctl (and ct (mail-header-parse-content-type ct))))
2540 (setq charset (and ctl
2541 (mail-content-type-get ctl 'charset)))
2542 (when (stringp charset)
2543 (setq charset (intern (downcase charset)))))))
2545 (setq charset gnus-newsgroup-charset)))
2547 (save-window-excursion
2549 (narrow-to-region (point) (point-max))
2550 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2551 (entry (assq func mm-text-html-washer-alist)))
2553 (setq func (cdr entry)))
2558 (apply (car func) (cdr func))))))))))
2560 (defun gnus-article-wash-html-with-w3 ()
2561 "Wash the current buffer with w3."
2563 (let ((w3-strict-width (window-width))
2564 (url-standalone-mode t)
2565 (url-gateway-unplugged t)
2566 (w3-honor-stylesheets nil))
2568 (w3-region (point-min) (point-max))
2571 (defun gnus-article-wash-html-with-w3m ()
2572 "Wash the current buffer with emacs-w3m."
2574 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
2575 w3m-force-redisplay)
2576 (w3m-region (point-min) (point-max)))
2577 (when (and mm-inline-text-html-with-w3m-keymap
2578 (boundp 'w3m-minor-mode-map)
2580 (add-text-properties
2581 (point-min) (point-max)
2582 (list 'keymap w3m-minor-mode-map
2583 ;; Put the mark meaning this part was rendered by emacs-w3m.
2584 'mm-inline-text-html-with-w3m t))))
2586 (eval-when-compile (defvar charset)) ;; Bound by `article-wash-html'.
2588 (defun gnus-article-wash-html-with-w3m-standalone ()
2589 "Wash the current buffer with w3m."
2590 (if (mm-w3m-standalone-supports-m17n-p)
2592 (unless (mm-coding-system-p charset) ;; Bound by `article-wash-html'.
2594 (setq charset 'iso-8859-1))
2595 (let ((coding-system-for-write charset)
2596 (coding-system-for-read charset))
2597 (call-process-region
2598 (point-min) (point-max)
2599 "w3m" t t nil "-dump" "-T" "text/html"
2600 "-I" (symbol-name charset) "-O" (symbol-name charset))))
2601 (mm-inline-wash-with-stdin nil "w3m" "-dump" "-T" "text/html")))
2603 (defun article-hide-list-identifiers ()
2604 "Remove list identifies from the Subject header.
2605 The `gnus-list-identifiers' variable specifies what to do."
2607 (let ((inhibit-point-motion-hooks t)
2608 (regexp (if (consp gnus-list-identifiers)
2609 (mapconcat 'identity gnus-list-identifiers " *\\|")
2610 gnus-list-identifiers))
2611 (inhibit-read-only t))
2615 (article-narrow-to-head)
2616 (goto-char (point-min))
2617 (while (re-search-forward
2618 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2620 (delete-region (match-beginning 2) (match-end 0))
2621 (beginning-of-line))
2622 (when (re-search-forward
2623 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2624 (delete-region (match-beginning 1) (match-end 1))))))))
2626 (defun article-hide-pem (&optional arg)
2627 "Toggle hiding of any PEM headers and signatures in the current article.
2628 If given a negative prefix, always show; if given a positive prefix,
2630 (interactive (gnus-article-hidden-arg))
2631 (unless (gnus-article-check-hidden-text 'pem arg)
2633 (let ((inhibit-read-only t) end)
2634 (goto-char (point-min))
2635 ;; Hide the horrendously ugly "header".
2636 (when (and (search-forward
2637 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2639 (setq end (1+ (match-beginning 0))))
2640 (gnus-add-wash-type 'pem)
2641 (gnus-article-hide-text-type
2643 (if (search-forward "\n\n" nil t)
2647 ;; Hide the trailer as well
2648 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2650 (gnus-article-hide-text-type
2651 (match-beginning 0) (match-end 0) 'pem)))))))
2653 (defun article-strip-banner ()
2654 "Strip the banners specified by the `banner' group parameter and by
2655 `gnus-article-address-banner-alist'."
2659 (let ((inhibit-point-motion-hooks t))
2660 (when (gnus-parameter-banner gnus-newsgroup-name)
2661 (article-really-strip-banner
2662 (gnus-parameter-banner gnus-newsgroup-name)))
2663 (when gnus-article-address-banner-alist
2664 ;; It is necessary to encode from fields before checking,
2665 ;; because `mail-header-parse-addresses' does not work
2666 ;; (reliably) on decoded headers. And more, it is
2667 ;; impossible to use `gnus-fetch-original-field' here,
2668 ;; because `article-strip-banner' may be called in draft
2669 ;; buffers to preview them.
2670 (let ((from (save-restriction
2672 (article-narrow-to-head)
2673 (mail-fetch-field "from"))))
2676 (caar (mail-header-parse-addresses
2677 (mail-encode-encoded-word-string from)))))
2679 (dolist (pair gnus-article-address-banner-alist)
2680 (when (string-match (car pair) from)
2682 (article-really-strip-banner (cdr pair)))))))))))))
2684 (defun article-really-strip-banner (banner)
2685 "Strip the banner specified by the argument."
2688 (let ((inhibit-point-motion-hooks t)
2689 (gnus-signature-limit nil)
2690 (inhibit-read-only t))
2693 ((eq banner 'signature)
2694 (when (gnus-article-narrow-to-signature)
2697 (delete-region (point) (point-max))))
2699 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2700 (while (re-search-forward banner nil t)
2701 (delete-region (match-beginning 0) (match-end 0)))))
2703 (while (re-search-forward banner nil t)
2704 (delete-region (match-beginning 0) (match-end 0)))))))))
2706 (defun article-babel ()
2707 "Translate article using an online translation service."
2710 (gnus-with-article-buffer
2711 (when (article-goto-body)
2712 (let* ((start (point))
2714 (orig (buffer-substring start end))
2715 (trans (babel-as-string orig)))
2717 (narrow-to-region start end)
2718 (delete-region start end)
2721 (defun article-hide-signature (&optional arg)
2722 "Hide the signature in the current article.
2723 If given a negative prefix, always show; if given a positive prefix,
2725 (interactive (gnus-article-hidden-arg))
2726 (unless (gnus-article-check-hidden-text 'signature arg)
2729 (let ((inhibit-read-only t))
2730 (when (gnus-article-narrow-to-signature)
2731 (gnus-article-hide-text-type
2732 (point-min) (point-max) 'signature))))))
2733 (gnus-set-mode-line 'article))
2735 (defun article-strip-headers-in-body ()
2736 "Strip offensive headers from bodies."
2740 (let ((case-fold-search t))
2741 (when (looking-at "x-no-archive:")
2742 (gnus-delete-line)))))
2744 (defun article-strip-leading-blank-lines ()
2745 "Remove all blank lines from the beginning of the article."
2748 (let ((inhibit-point-motion-hooks t)
2749 (inhibit-read-only t))
2750 (when (article-goto-body)
2751 (while (and (not (eobp))
2752 (looking-at "[ \t]*$"))
2753 (gnus-delete-line))))))
2755 (defun article-narrow-to-head ()
2756 "Narrow the buffer to the head of the message.
2757 Point is left at the beginning of the narrowed-to region."
2759 (goto-char (point-min))
2760 (if (search-forward "\n\n" nil 1)
2763 (goto-char (point-min)))
2765 (defun article-goto-body ()
2766 "Place point at the start of the body."
2767 (goto-char (point-min))
2769 ;; This variable is only bound when dealing with separate
2771 (article-goto-body-goes-to-point-min-p
2773 ((search-forward "\n\n" nil t)
2776 (goto-char (point-max))
2779 (defun article-strip-multiple-blank-lines ()
2780 "Replace consecutive blank lines with one empty line."
2783 (let ((inhibit-point-motion-hooks t)
2784 (inhibit-read-only t))
2785 ;; First make all blank lines empty.
2787 (while (re-search-forward "^[ \t]+$" nil t)
2788 (unless (gnus-annotation-in-region-p
2789 (match-beginning 0) (match-end 0))
2790 (replace-match "" nil t)))
2791 ;; Then replace multiple empty lines with a single empty line.
2793 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2794 (unless (gnus-annotation-in-region-p
2795 (match-beginning 0) (match-end 0))
2796 (delete-region (match-beginning 1) (match-end 1)))))))
2798 (defun article-strip-leading-space ()
2799 "Remove all white space from the beginning of the lines in the article."
2802 (let ((inhibit-point-motion-hooks t)
2803 (inhibit-read-only t))
2805 (while (re-search-forward "^[ \t]+" nil t)
2806 (replace-match "" t t)))))
2808 (defun article-strip-trailing-space ()
2809 "Remove all white space from the end of the lines in the article."
2812 (let ((inhibit-point-motion-hooks t)
2813 (inhibit-read-only t))
2815 (while (re-search-forward "[ \t]+$" nil t)
2816 (replace-match "" t t)))))
2818 (defun article-strip-blank-lines ()
2819 "Strip leading, trailing and multiple blank lines."
2821 (article-strip-leading-blank-lines)
2822 (article-remove-trailing-blank-lines)
2823 (article-strip-multiple-blank-lines))
2825 (defun article-strip-all-blank-lines ()
2826 "Strip all blank lines."
2829 (let ((inhibit-point-motion-hooks t)
2830 (inhibit-read-only t))
2832 (while (re-search-forward "^[ \t]*\n" nil t)
2833 (replace-match "" t t)))))
2835 (defun gnus-article-narrow-to-signature ()
2836 "Narrow to the signature; return t if a signature is found, else nil."
2837 (let ((inhibit-point-motion-hooks t))
2838 (when (gnus-article-search-signature)
2840 ;; Check whether we have some limits to what we consider
2841 ;; to be a signature.
2842 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2843 (list gnus-signature-limit)))
2845 (while (setq limit (pop limits))
2846 (if (or (and (integerp limit)
2847 (< (- (point-max) (point)) limit))
2849 (< (count-lines (point) (point-max)) limit))
2850 (and (functionp limit)
2852 (and (stringp limit)
2853 (not (re-search-forward limit nil t))))
2854 () ; This limit did not succeed.
2858 (narrow-to-region (point) (point-max))
2861 (defun gnus-article-search-signature ()
2862 "Search the current buffer for the signature separator.
2863 Put point at the beginning of the signature separator."
2864 (let ((cur (point)))
2865 (goto-char (point-max))
2866 (if (if (stringp gnus-signature-separator)
2867 (re-search-backward gnus-signature-separator nil t)
2868 (let ((seps gnus-signature-separator))
2870 (not (re-search-backward (car seps) nil t)))
2877 (defun gnus-article-hidden-arg ()
2878 "Return the current prefix arg as a number, or 0 if no prefix."
2879 (list (if current-prefix-arg
2880 (prefix-numeric-value current-prefix-arg)
2883 (defun gnus-article-check-hidden-text (type arg)
2884 "Return nil if hiding is necessary.
2885 Arg can be nil or a number. nil and positive means hide, negative
2886 means show, 0 means toggle."
2889 (let ((hide (gnus-article-hidden-text-p type)))
2895 (gnus-article-show-hidden-text type)
2898 (if (eq hide 'hidden)
2900 (gnus-article-show-hidden-text type)
2904 (defun gnus-article-hidden-text-p (type)
2905 "Say whether the current buffer contains hidden text of type TYPE."
2906 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2908 (not (get-text-property pos 'invisible))
2909 (not (get-text-property pos 'dummy-invisible)))
2911 (text-property-any (1+ pos) (point-max) 'article-type type)))
2916 (defun gnus-article-show-hidden-text (type &optional dummy)
2917 "Show all hidden text of type TYPE.
2918 Originally it is hide instead of DUMMY."
2919 (let ((inhibit-read-only t)
2920 (inhibit-point-motion-hooks t))
2921 (gnus-remove-text-properties-when
2923 (point-min) (point-max)
2924 (cons 'article-type (cons type
2925 gnus-hidden-properties)))
2926 (gnus-delete-wash-type type)))
2928 (defconst article-time-units
2929 `((year . ,(* 365.25 24 60 60))
2930 (week . ,(* 7 24 60 60))
2931 (day . ,(* 24 60 60))
2935 "Mapping from time units to seconds.")
2937 (defun gnus-article-forward-header ()
2938 "Move point to the start of the next header.
2939 If the current header is a continuation header, this can be several
2944 (if (looking-at "[ \t]+[^ \t]")
2948 (defun article-date-ut (&optional type highlight)
2949 "Convert DATE date to universal time in the current article.
2950 If TYPE is `local', convert to local time; if it is `lapsed', output
2951 how much time has lapsed since DATE. For `lapsed', the value of
2952 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2953 should replace the \"Date:\" one, or should be added below it."
2954 (interactive (list 'ut t))
2955 (let* ((tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
2956 (date-regexp (cond ((not gnus-article-date-lapsed-new-header)
2960 (article-lapsed-timer
2964 (case-fold-search t)
2965 (inhibit-read-only t)
2966 (inhibit-point-motion-hooks t)
2967 pos date bface eface)
2971 (goto-char (point-min))
2972 (while (or (setq date (get-text-property (setq pos (point))
2974 (when (setq pos (next-single-property-change
2975 (point) 'original-date))
2976 (setq date (get-text-property pos 'original-date))
2978 (narrow-to-region pos (or (text-property-any pos (point-max)
2981 (goto-char (point-min))
2982 (when (re-search-forward tdate-regexp nil t)
2983 (setq bface (get-text-property (point-at-bol) 'face)
2984 eface (get-text-property (1- (point-at-eol)) 'face)))
2985 (goto-char (point-min))
2987 ;; Delete any old Date headers.
2988 (while (re-search-forward date-regexp nil t)
2990 (delete-region (point-at-bol) (progn
2991 (gnus-article-forward-header)
2993 (delete-region (point-at-bol) (progn
2994 (gnus-article-forward-header)
2997 (setq pos (point))))
2998 (when (and (not pos)
2999 (re-search-forward tdate-regexp nil t))
3001 (gnus-goto-char pos)
3002 (insert (article-make-date-line date (or type 'ut)))
3008 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
3009 (put-text-property (match-beginning 1) (1+ (match-end 1))
3011 (put-text-property (match-beginning 2) (match-end 2)
3013 (put-text-property (point-min) (1- (point-max)) 'original-date date)
3014 (goto-char (point-max))
3017 (defun article-make-date-line (date type)
3018 "Return a DATE line of TYPE."
3019 (unless (memq type '(local ut original user iso8601 lapsed english))
3020 (error "Unknown conversion type: %s" type))
3022 (let ((time (date-to-time date)))
3024 ;; Convert to the local timezone.
3026 (concat "Date: " (message-make-date time)))
3027 ;; Convert to Universal Time.
3032 (let* ((e (parse-time-string date))
3033 (tm (apply 'encode-time e))
3035 (ls (- (cadr tm) (car (current-time-zone time)))))
3036 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
3037 ((> ls 65535) (list (1+ ms) (- ls 65536)))
3041 ;; Get the original date from the article.
3042 ((eq type 'original)
3043 (concat "Date: " (if (string-match "\n+$" date)
3044 (substring date 0 (match-beginning 0))
3046 ;; Let the user define the format.
3048 (let ((format (or (condition-case nil
3049 (with-current-buffer gnus-summary-buffer
3050 gnus-article-time-format)
3052 gnus-article-time-format)))
3053 (if (functionp format)
3054 (funcall format time)
3055 (concat "Date: " (format-time-string format time)))))
3058 (let ((tz (car (current-time-zone time))))
3061 (format-time-string "%Y%m%dT%H%M%S" time)
3062 (format "%s%02d%02d"
3063 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3064 (/ (% (abs tz) 3600) 60)))))
3065 ;; Do an X-Sent lapsed format.
3067 ;; If the date is seriously mangled, the timezone functions are
3068 ;; liable to bug out, so we ignore all errors.
3069 (let* ((now (current-time))
3070 (real-time (subtract-time now time))
3071 (real-sec (and real-time
3072 (+ (* (float (car real-time)) 65536)
3074 (sec (and real-time (abs real-sec)))
3084 ;; This is a bit convoluted, but basically we go
3085 ;; through the time units for years, weeks, etc,
3086 ;; and divide things to see whether that results
3087 ;; in positive answers.
3090 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
3091 ;; The (remaining) seconds are too few to
3092 ;; be divided into this time unit.
3094 ;; It's big enough, so we output it.
3095 (setq sec (- sec (* num (cdr unit))))
3097 (concat (if prev ", " "") (int-to-string
3099 " " (symbol-name (car unit))
3100 (if (> num 1) "s" ""))
3102 article-time-units "")
3103 ;; If dates are odd, then it might appear like the
3104 ;; article was sent in the future.
3107 " in the future"))))))
3108 ;; Display the date in proper English
3110 (let ((dtime (decode-time time)))
3113 (number-to-string (nth 3 dtime))
3114 (let ((digit (% (nth 3 dtime) 10)))
3116 ((memq (nth 3 dtime) '(11 12 13)) "th")
3122 (nth (1- (nth 4 dtime)) gnus-english-month-names)
3124 (number-to-string (nth 5 dtime))
3126 (format "%02d" (nth 2 dtime))
3128 (format "%02d" (nth 1 dtime)))))))
3130 (format "Date: %s (from Gnus)" date))))
3132 (defun article-date-local (&optional highlight)
3133 "Convert the current article date to the local timezone."
3134 (interactive (list t))
3135 (article-date-ut 'local highlight))
3137 (defun article-date-english (&optional highlight)
3138 "Convert the current article date to something that is proper English."
3139 (interactive (list t))
3140 (article-date-ut 'english highlight))
3142 (defun article-date-original (&optional highlight)
3143 "Convert the current article date to what it was originally.
3144 This is only useful if you have used some other date conversion
3145 function and want to see what the date was before converting."
3146 (interactive (list t))
3147 (article-date-ut 'original highlight))
3149 (defun article-date-lapsed (&optional highlight)
3150 "Convert the current article date to time lapsed since it was sent."
3151 (interactive (list t))
3152 (article-date-ut 'lapsed highlight))
3154 (defun article-update-date-lapsed ()
3155 "Function to be run from a timer to update the lapsed time line."
3157 (let (deactivate-mark)
3162 (set-buffer (window-buffer w))
3163 (when (eq major-mode 'gnus-article-mode)
3164 (let ((mark (point-marker)))
3165 (goto-char (point-min))
3166 (when (re-search-forward "^X-Sent:" nil t)
3167 (article-date-lapsed t))
3168 (goto-char (marker-position mark))
3169 (move-marker mark nil))))
3172 (defun gnus-start-date-timer (&optional n)
3173 "Start a timer to update the X-Sent header in the article buffers.
3174 The numerical prefix says how frequently (in seconds) the function
3179 (gnus-stop-date-timer)
3180 (setq article-lapsed-timer
3181 (run-at-time 1 n 'article-update-date-lapsed)))
3183 (defun gnus-stop-date-timer ()
3184 "Stop the X-Sent timer."
3186 (when article-lapsed-timer
3187 (nnheader-cancel-timer article-lapsed-timer)
3188 (setq article-lapsed-timer nil)))
3190 (defun article-date-user (&optional highlight)
3191 "Convert the current article date to the user-defined format.
3192 This format is defined by the `gnus-article-time-format' variable."
3193 (interactive (list t))
3194 (article-date-ut 'user highlight))
3196 (defun article-date-iso8601 (&optional highlight)
3197 "Convert the current article date to ISO8601."
3198 (interactive (list t))
3199 (article-date-ut 'iso8601 highlight))
3201 (defmacro gnus-article-save-original-date (&rest forms)
3202 "Save the original date as a text property and evaluate FORMS."
3203 `(let* ((case-fold-search t)
3205 (goto-char (point-min))
3206 (when (and (re-search-forward "^date:[\t\n ]+" nil t)
3209 (date (when (and start
3210 (re-search-forward "[\t ]*\n\\(?:[^\t ]\\|\\'\\)"
3212 (buffer-substring-no-properties start
3213 (match-beginning 0)))))
3214 (goto-char (point-max))
3215 (skip-chars-backward "\n")
3216 (put-text-property (point-min) (point) 'original-date date)
3218 (goto-char (point-max))
3219 (skip-chars-backward "\n")
3220 (put-text-property (point-min) (point) 'original-date date)))
3222 ;; (defun article-show-all ()
3223 ;; "Show all hidden text in the article buffer."
3226 ;; (let ((inhibit-read-only t))
3227 ;; (gnus-article-unhide-text (point-min) (point-max)))))
3229 (defun article-remove-leading-whitespace ()
3230 "Remove excessive whitespace from all headers."
3234 (let ((inhibit-read-only t))
3235 (article-narrow-to-head)
3236 (goto-char (point-min))
3237 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3238 (delete-region (match-beginning 1) (match-end 1)))))))
3240 (defun article-emphasize (&optional arg)
3241 "Emphasize text according to `gnus-emphasis-alist'."
3242 (interactive (gnus-article-hidden-arg))
3243 (unless (gnus-article-check-hidden-text 'emphasis arg)
3247 (with-current-buffer gnus-summary-buffer
3248 gnus-article-emphasis-alist)
3250 gnus-emphasis-alist))
3251 (inhibit-read-only t)
3252 (props (append '(article-type emphasis)
3253 gnus-hidden-properties))
3254 regexp elem beg invisible visible face)
3257 (while (setq elem (pop alist))
3259 (setq regexp (car elem)
3260 invisible (nth 1 elem)
3261 visible (nth 2 elem)
3263 (while (re-search-forward regexp nil t)
3264 (when (and (match-beginning visible) (match-beginning invisible))
3265 (gnus-article-hide-text
3266 (match-beginning invisible) (match-end invisible) props)
3267 (gnus-article-unhide-text-type
3268 (match-beginning visible) (match-end visible) 'emphasis)
3269 (gnus-put-overlay-excluding-newlines
3270 (match-beginning visible) (match-end visible) 'face face)
3271 (gnus-add-wash-type 'emphasis)
3272 (goto-char (match-end invisible)))))))))
3274 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3275 "Setup newsgroup emphasis alist."
3276 (unless gnus-article-emphasis-alist
3277 (let ((name (and gnus-newsgroup-name
3278 (gnus-group-real-name gnus-newsgroup-name))))
3279 (make-local-variable 'gnus-article-emphasis-alist)
3280 (setq gnus-article-emphasis-alist
3282 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3283 (while (setq elem (pop alist))
3284 (when (and name (string-match (car elem) name))
3286 highlight (copy-sequence (cdr elem)))))
3288 (copy-sequence highlight-words)
3289 (if gnus-newsgroup-name
3290 (copy-sequence (gnus-group-find-parameter
3291 gnus-newsgroup-name 'highlight-words t)))
3292 gnus-emphasis-alist)))))
3295 (defvar gnus-summary-article-menu)
3296 (defvar gnus-summary-post-menu))
3298 ;;; Saving functions.
3300 (defun gnus-article-save (save-buffer file &optional num)
3301 "Save the currently selected article."
3302 (unless gnus-save-all-headers
3303 ;; Remove headers according to `gnus-saved-headers'.
3304 (let ((gnus-visible-headers
3305 (or gnus-saved-headers gnus-visible-headers))
3306 (gnus-article-buffer save-buffer))
3308 (set-buffer save-buffer)
3309 (article-hide-headers 1 t))))
3310 (save-window-excursion
3311 (if (not gnus-default-article-saver)
3312 (error "No default saver is defined")
3313 ;; !!! Magic! The saving functions all save
3314 ;; `gnus-save-article-buffer' (or so they think), but we
3315 ;; bind that variable to our save-buffer.
3316 (set-buffer gnus-article-buffer)
3317 (let* ((gnus-save-article-buffer save-buffer)
3320 ((not gnus-prompt-before-saving) 'default)
3321 ((eq gnus-prompt-before-saving 'always) nil)
3323 (gnus-number-of-articles-to-be-saved
3324 (when (eq gnus-prompt-before-saving t)
3326 (set-buffer gnus-article-current-summary)
3327 (funcall gnus-default-article-saver filename)))))
3329 (defun gnus-read-save-file-name (prompt &optional filename
3330 function group headers variable)
3332 (funcall function group headers (symbol-value variable)))
3337 ((eq filename 'default)
3343 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3346 (if (and gnus-number-of-articles-to-be-saved
3347 (> gnus-number-of-articles-to-be-saved 1))
3348 (format "these %d articles"
3349 gnus-number-of-articles-to-be-saved)
3352 ;; Let the split methods have their say.
3354 ;; No split name was found.
3357 (concat prompt " (default "
3358 (file-name-nondirectory default-name) "): ")
3359 (file-name-directory default-name)
3361 ;; A single group name is returned.
3362 ((stringp split-name)
3364 (funcall function split-name headers
3365 (symbol-value variable)))
3367 (concat prompt " (default "
3368 (file-name-nondirectory default-name) "): ")
3369 (file-name-directory default-name)
3371 ;; A single split name was found
3372 ((= 1 (length split-name))
3373 (let* ((name (expand-file-name
3375 gnus-article-save-directory))
3376 (dir (cond ((file-directory-p name)
3377 (file-name-as-directory name))
3378 ((file-exists-p name) name)
3379 (t gnus-article-save-directory))))
3381 (concat prompt " (default " name "): ")
3383 ;; A list of splits was found.
3385 (setq split-name (nreverse split-name))
3387 (let ((file-name-history
3388 (nconc split-name file-name-history)))
3392 (concat prompt " (`M-p' for defaults): ")
3393 gnus-article-save-directory
3395 gnus-article-save-directory)))
3396 (car (push result file-name-history)))))))
3397 ;; Create the directory.
3398 (gnus-make-directory (file-name-directory file))
3399 ;; If we have read a directory, we append the default file name.
3400 (when (file-directory-p file)
3401 (setq file (expand-file-name (file-name-nondirectory
3403 (file-name-as-directory file))))
3404 ;; Possibly translate some characters.
3405 (nnheader-translate-file-chars file))))))
3406 (gnus-make-directory (file-name-directory result))
3407 (set variable result)))
3409 (defun gnus-article-archive-name (group)
3410 "Return the first instance of an \"Archive-name\" in the current buffer."
3411 (let ((case-fold-search t))
3412 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3413 (nnheader-concat gnus-article-save-directory
3414 (match-string 1)))))
3416 (defun gnus-article-nndoc-name (group)
3417 "If GROUP is an nndoc group, return the name of the parent group."
3418 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3419 (gnus-group-get-parameter group 'save-article-group)))
3421 (defun gnus-summary-save-in-rmail (&optional filename)
3422 "Append this article to Rmail file.
3423 Optional argument FILENAME specifies file name.
3424 Directory to save to is default to `gnus-article-save-directory'."
3425 (setq filename (gnus-read-save-file-name
3426 "Save %s in rmail file" filename
3427 gnus-rmail-save-name gnus-newsgroup-name
3428 gnus-current-headers 'gnus-newsgroup-last-rmail))
3429 (gnus-eval-in-buffer-window gnus-save-article-buffer
3433 (gnus-output-to-rmail filename))))
3436 (defun gnus-summary-save-in-mail (&optional filename)
3437 "Append this article to Unix mail file.
3438 Optional argument FILENAME specifies file name.
3439 Directory to save to is default to `gnus-article-save-directory'."
3440 (setq filename (gnus-read-save-file-name
3441 "Save %s in Unix mail file" filename
3442 gnus-mail-save-name gnus-newsgroup-name
3443 gnus-current-headers 'gnus-newsgroup-last-mail))
3444 (gnus-eval-in-buffer-window gnus-save-article-buffer
3448 (if (and (file-readable-p filename)
3449 (file-regular-p filename)
3450 (mail-file-babyl-p filename))
3451 (rmail-output-to-rmail-file filename t)
3452 (gnus-output-to-mail filename)))))
3455 (defun gnus-summary-save-in-file (&optional filename overwrite)
3456 "Append this article to file.
3457 Optional argument FILENAME specifies file name.
3458 Directory to save to is default to `gnus-article-save-directory'."
3459 (setq filename (gnus-read-save-file-name
3460 "Save %s in file" filename
3461 gnus-file-save-name gnus-newsgroup-name
3462 gnus-current-headers 'gnus-newsgroup-last-file))
3463 (gnus-eval-in-buffer-window gnus-save-article-buffer
3467 (when (and overwrite
3468 (file-exists-p filename))
3469 (delete-file filename))
3470 (gnus-output-to-file filename))))
3473 (defun gnus-summary-write-to-file (&optional filename)
3474 "Write this article to a file, overwriting it if the file exists.
3475 Optional argument FILENAME specifies file name.
3476 The directory to save in defaults to `gnus-article-save-directory'."
3477 (gnus-summary-save-in-file nil t))
3479 (defun gnus-summary-save-body-in-file (&optional filename)
3480 "Append this article body to a file.
3481 Optional argument FILENAME specifies file name.
3482 The directory to save in defaults to `gnus-article-save-directory'."
3483 (setq filename (gnus-read-save-file-name
3484 "Save %s body in file" filename
3485 gnus-file-save-name gnus-newsgroup-name
3486 gnus-current-headers 'gnus-newsgroup-last-file))
3487 (gnus-eval-in-buffer-window gnus-save-article-buffer
3491 (when (article-goto-body)
3492 (narrow-to-region (point) (point-max)))
3493 (gnus-output-to-file filename))))
3496 (defun gnus-summary-save-in-pipe (&optional command)
3497 "Pipe this article to subprocess."
3499 (cond ((and (eq command 'default)
3500 gnus-last-shell-command)
3501 gnus-last-shell-command)
3506 "Shell command on %s: "
3507 (if (and gnus-number-of-articles-to-be-saved
3508 (> gnus-number-of-articles-to-be-saved 1))
3509 (format "these %d articles"
3510 gnus-number-of-articles-to-be-saved)
3512 gnus-last-shell-command))))
3513 (when (string-equal command "")
3514 (if gnus-last-shell-command
3515 (setq command gnus-last-shell-command)
3516 (error "A command is required")))
3517 (gnus-eval-in-buffer-window gnus-article-buffer
3520 (shell-command-on-region (point-min) (point-max) command nil)))
3521 (setq gnus-last-shell-command command))
3523 (defun gnus-summary-pipe-to-muttprint (&optional command)
3524 "Pipe this article to muttprint."
3525 (setq command (read-string
3526 "Print using command: " gnus-summary-muttprint-program
3527 nil gnus-summary-muttprint-program))
3528 (gnus-summary-save-in-pipe command))
3530 ;;; Article file names when saving.
3532 (defun gnus-capitalize-newsgroup (newsgroup)
3533 "Capitalize NEWSGROUP name."
3534 (when (not (zerop (length newsgroup)))
3535 (concat (char-to-string (upcase (aref newsgroup 0)))
3536 (substring newsgroup 1))))
3538 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3539 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3540 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3541 Otherwise, it is like ~/News/news/group/num."
3544 (concat (if (gnus-use-long-file-name 'not-save)
3545 (gnus-capitalize-newsgroup newsgroup)
3546 (gnus-newsgroup-directory-form newsgroup))
3547 "/" (int-to-string (mail-header-number headers)))
3548 gnus-article-save-directory)))
3550 (string-equal (file-name-directory default)
3551 (file-name-directory last-file))
3552 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3554 (or last-file default))))
3556 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3557 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3558 If variable `gnus-use-long-file-name' is non-nil, it is
3559 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3562 (concat (if (gnus-use-long-file-name 'not-save)
3564 (gnus-newsgroup-directory-form newsgroup))
3565 "/" (int-to-string (mail-header-number headers)))
3566 gnus-article-save-directory)))
3568 (string-equal (file-name-directory default)
3569 (file-name-directory last-file))
3570 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3572 (or last-file default))))
3574 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3575 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3576 If variable `gnus-use-long-file-name' is non-nil, it is
3577 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3580 (if (gnus-use-long-file-name 'not-save)
3583 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3585 gnus-article-save-directory)))
3587 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3588 "Generate file name from sender."
3589 (let ((from (mail-header-from headers)))
3591 (if (and from (string-match "\\([^ <]+\\)@" from))
3592 (match-string 1 from)
3594 gnus-article-save-directory)))
3596 (defun article-verify-x-pgp-sig ()
3599 (if (gnus-buffer-live-p gnus-original-article-buffer)
3600 (let ((sig (with-current-buffer gnus-original-article-buffer
3601 (gnus-fetch-field "X-PGP-Sig")))
3605 (mml2015-clear-verify-function))
3607 (insert-buffer-substring gnus-original-article-buffer)
3608 (setq items (split-string sig))
3609 (message-narrow-to-head)
3610 (let ((inhibit-point-motion-hooks t)
3611 (case-fold-search t))
3612 ;; Don't verify multiple headers.
3613 (setq headers (mapconcat (lambda (header)
3615 (mail-fetch-field header)
3617 (split-string (nth 1 items) ",") "")))
3618 (delete-region (point-min) (point-max))
3619 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3620 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3625 (if (looking-at "^-")
3628 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3629 (insert "Version: " (car items) "\n\n")
3630 (insert (mapconcat 'identity (cddr items) "\n"))
3631 (insert "\n-----END PGP SIGNATURE-----\n")
3632 (let ((mm-security-handle (list (format "multipart/signed"))))
3633 (mml2015-clean-buffer)
3634 (let ((coding-system-for-write (or gnus-newsgroup-charset
3636 (funcall (mml2015-clear-verify-function)))
3638 (or (mm-handle-multipart-ctl-parameter
3639 mm-security-handle 'gnus-details)
3640 (mm-handle-multipart-ctl-parameter
3641 mm-security-handle 'gnus-info)))))
3643 (let ((inhibit-read-only t) bface eface)
3645 (message-narrow-to-head)
3646 (goto-char (point-max))
3648 (setq bface (get-text-property (point-at-bol) 'face)
3649 eface (get-text-property (1- (point-at-eol)) 'face))
3650 (message-remove-header "X-Gnus-PGP-Verify")
3651 (if (re-search-forward "^X-PGP-Sig:" nil t)
3653 (goto-char (point-max)))
3654 (narrow-to-region (point) (point))
3655 (insert "X-Gnus-PGP-Verify: " info "\n")
3656 (goto-char (point-min))
3659 (if (not (looking-at "^[ \t]"))
3663 (goto-char (point-min))
3664 (when (looking-at "\\([^:]+\\): *")
3665 (put-text-property (match-beginning 1) (1+ (match-end 1))
3667 (put-text-property (match-end 0) (point-max)
3668 'face eface)))))))))
3670 (defun article-verify-cancel-lock ()
3671 "Verify Cancel-Lock header."
3673 (if (gnus-buffer-live-p gnus-original-article-buffer)
3674 (canlock-verify gnus-original-article-buffer)))
3681 (setq afunc (car func)
3684 gfunc (intern (format "gnus-%s" func))))
3686 (when (fboundp afunc)
3687 `(lambda (&optional interactive &rest args)
3688 ,(documentation afunc t)
3689 (interactive (list t))
3691 (set-buffer gnus-article-buffer)
3693 (call-interactively ',afunc)
3694 (apply ',afunc args))))))))
3695 '(article-hide-headers
3696 article-verify-x-pgp-sig
3697 article-verify-cancel-lock
3698 article-hide-boring-headers
3699 article-treat-overstrike
3700 article-treat-ansi-sequences
3701 article-fill-long-lines
3702 article-capitalize-sentences
3704 article-remove-leading-whitespace
3705 article-display-x-face
3706 article-display-face
3707 article-de-quoted-unreadable
3708 article-de-base64-unreadable
3711 article-unsplit-urls
3712 article-hide-list-identifiers
3713 article-strip-banner
3716 article-hide-signature
3717 article-strip-headers-in-body
3718 article-remove-trailing-blank-lines
3719 article-strip-leading-blank-lines
3720 article-strip-multiple-blank-lines
3721 article-strip-leading-space
3722 article-strip-trailing-space
3723 article-strip-blank-lines
3724 article-strip-all-blank-lines
3726 article-date-english
3727 article-date-iso8601
3728 article-date-original
3730 article-decode-mime-words
3731 article-decode-charset
3732 article-decode-encoded-words
3736 article-treat-dumbquotes
3737 article-normalize-headers
3738 ;; (article-show-all . gnus-article-show-all-headers)
3742 ;;; Gnus article mode
3745 (put 'gnus-article-mode 'mode-class 'special)
3747 (set-keymap-parent gnus-article-mode-map widget-keymap)
3749 (gnus-define-keys gnus-article-mode-map
3750 " " gnus-article-goto-next-page
3751 "\177" gnus-article-goto-prev-page
3752 [delete] gnus-article-goto-prev-page
3753 [backspace] gnus-article-goto-prev-page
3754 "\C-c^" gnus-article-refer-article
3755 "h" gnus-article-show-summary
3756 "s" gnus-article-show-summary
3757 "\C-c\C-m" gnus-article-mail
3758 "?" gnus-article-describe-briefly
3759 "e" gnus-summary-edit-article
3760 "<" beginning-of-buffer
3762 "\C-c\C-i" gnus-info-find-node
3764 "R" gnus-article-reply-with-original
3765 "F" gnus-article-followup-with-original
3766 "\C-hk" gnus-article-describe-key
3767 "\C-hc" gnus-article-describe-key-briefly
3769 "\C-d" gnus-article-read-summary-keys
3770 "\M-*" gnus-article-read-summary-keys
3771 "\M-#" gnus-article-read-summary-keys
3772 "\M-^" gnus-article-read-summary-keys
3773 "\M-g" gnus-article-read-summary-keys)
3775 (substitute-key-definition
3776 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
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 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
3805 ["Remove base64" gnus-article-de-base64-unreadable t]
3806 ["Treat html" gnus-article-wash-html t]
3807 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3808 ["Decode HZ" gnus-article-decode-HZ t]))
3810 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3812 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3814 (gnus-run-hooks 'gnus-article-menu-hook)))
3816 (defun gnus-article-mode ()
3817 "Major mode for displaying an article.
3819 All normal editing commands are switched off.
3821 The following commands are available in addition to all summary mode
3823 \\<gnus-article-mode-map>
3824 \\[gnus-article-next-page]\t Scroll the article one page forwards
3825 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3826 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3827 \\[gnus-article-show-summary]\t Display the summary buffer
3828 \\[gnus-article-mail]\t Send a reply to the address near point
3829 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3830 \\[gnus-info-find-node]\t Go to the Gnus info node"
3832 (kill-all-local-variables)
3833 (gnus-simplify-mode-line)
3834 (setq mode-name "Article")
3835 (setq major-mode 'gnus-article-mode)
3836 (make-local-variable 'minor-mode-alist)
3837 (use-local-map gnus-article-mode-map)
3838 (when (gnus-visual-p 'article-menu 'menu)
3839 (gnus-article-make-menu-bar)
3840 (when gnus-summary-tool-bar-map
3841 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
3842 (gnus-update-format-specifications nil 'article-mode)
3843 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3844 (set (make-local-variable 'gnus-page-broken) nil)
3845 (make-local-variable 'gnus-button-marker-list)
3846 (make-local-variable 'gnus-article-current-summary)
3847 (make-local-variable 'gnus-article-mime-handles)
3848 (make-local-variable 'gnus-article-decoded-p)
3849 (make-local-variable 'gnus-article-mime-handle-alist)
3850 (make-local-variable 'gnus-article-wash-types)
3851 (make-local-variable 'gnus-article-image-alist)
3852 (make-local-variable 'gnus-article-charset)
3853 (make-local-variable 'gnus-article-ignored-charsets)
3854 ;; Prevent recent Emacsen from displaying non-break space as "\ ".
3855 (set (make-local-variable 'nobreak-char-display) nil)
3856 (gnus-set-default-directory)
3857 (buffer-disable-undo)
3858 (setq buffer-read-only t
3859 show-trailing-whitespace nil)
3860 (set-syntax-table gnus-article-mode-syntax-table)
3861 (mm-enable-multibyte)
3862 (gnus-run-mode-hooks 'gnus-article-mode-hook))
3864 (defun gnus-article-setup-buffer ()
3865 "Initialize the article buffer."
3866 (let* ((name (if gnus-single-article-buffer "*Article*"
3867 (concat "*Article " gnus-newsgroup-name "*")))
3869 (progn (string-match "\\*Article" name)
3870 (concat " *Original Article"
3871 (substring name (match-end 0))))))
3872 (setq gnus-article-buffer name)
3873 (setq gnus-original-article-buffer original)
3874 (setq gnus-article-mime-handle-alist nil)
3875 ;; This might be a variable local to the summary buffer.
3876 (unless gnus-single-article-buffer
3878 (set-buffer gnus-summary-buffer)
3879 (setq gnus-article-buffer name)
3880 (setq gnus-original-article-buffer original)
3881 (gnus-set-global-variables)))
3882 (gnus-article-setup-highlight-words)
3883 ;; Init original article buffer.
3885 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3886 (mm-enable-multibyte)
3887 (setq major-mode 'gnus-original-article-mode)
3888 (make-local-variable 'gnus-original-article))
3889 (if (and (get-buffer name)
3890 (with-current-buffer name
3891 (if gnus-article-edit-mode
3892 (if (y-or-n-p "Article mode edit in progress; discard? ")
3894 (set-buffer-modified-p nil)
3895 (gnus-kill-buffer name)
3898 (error "Action aborted"))
3902 (set (make-local-variable 'gnus-article-edit-mode) nil)
3903 (when gnus-article-mime-handles
3904 (mm-destroy-parts gnus-article-mime-handles)
3905 (setq gnus-article-mime-handles nil))
3906 ;; Set it to nil in article-buffer!
3907 (setq gnus-article-mime-handle-alist nil)
3908 (buffer-disable-undo)
3909 (setq buffer-read-only t)
3910 ;; This list just keeps growing if we don't reset it.
3911 (setq gnus-button-marker-list nil)
3912 (unless (eq major-mode 'gnus-article-mode)
3913 (gnus-article-mode))
3916 (set-buffer (gnus-get-buffer-create name))
3918 (make-local-variable 'gnus-summary-buffer)
3919 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3920 (current-buffer)))))
3922 ;; Set article window start at LINE, where LINE is the number of lines
3923 ;; from the head of the article.
3924 (defun gnus-article-set-window-start (&optional line)
3926 (gnus-get-buffer-window gnus-article-buffer t)
3928 (set-buffer gnus-article-buffer)
3929 (goto-char (point-min))
3932 (gnus-message 6 "Moved to bookmark")
3933 (search-forward "\n\n" nil t)
3937 (defun gnus-article-prepare (article &optional all-headers header)
3938 "Prepare ARTICLE in article mode buffer.
3939 ARTICLE should either be an article number or a Message-ID.
3940 If ARTICLE is an id, HEADER should be the article headers.
3941 If ALL-HEADERS is non-nil, no headers are hidden."
3943 ;; Make sure we start in a summary buffer.
3944 (unless (eq major-mode 'gnus-summary-mode)
3945 (set-buffer gnus-summary-buffer))
3946 (setq gnus-summary-buffer (current-buffer))
3947 (let* ((gnus-article (if header (mail-header-number header) article))
3948 (summary-buffer (current-buffer))
3949 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
3950 (group gnus-newsgroup-name)
3953 (gnus-article-setup-buffer)
3954 (set-buffer gnus-article-buffer)
3955 ;; Deactivate active regions.
3956 (when (and (boundp 'transient-mark-mode)
3957 transient-mark-mode)
3958 (setq mark-active nil))
3959 (if (not (setq result (let ((inhibit-read-only t))
3960 (gnus-request-article-this-buffer
3962 ;; There is no such article.
3964 (when (and (numberp article)
3965 (not (memq article gnus-newsgroup-sparse)))
3966 (setq gnus-article-current
3967 (cons gnus-newsgroup-name article))
3968 (set-buffer gnus-summary-buffer)
3969 (setq gnus-current-article article)
3970 (if (and (memq article gnus-newsgroup-undownloaded)
3971 (not (gnus-online (gnus-find-method-for-group
3972 gnus-newsgroup-name))))
3974 (gnus-summary-set-agent-mark article)
3975 (message "Message marked for downloading"))
3976 (gnus-summary-mark-article article gnus-canceled-mark)
3977 (unless (memq article gnus-newsgroup-sparse)
3978 (gnus-error 1 "No such article (may have expired or been canceled)")))))
3979 (if (or (eq result 'pseudo)
3980 (eq result 'nneething))
3983 (set-buffer summary-buffer)
3984 (push article gnus-newsgroup-history)
3985 (setq gnus-last-article gnus-current-article
3986 gnus-current-article 0
3987 gnus-current-headers nil
3988 gnus-article-current nil)
3989 (if (eq result 'nneething)
3990 (gnus-configure-windows 'summary)
3991 (gnus-configure-windows 'article))
3992 (gnus-set-global-variables))
3993 (let ((gnus-article-mime-handle-alist-1
3994 gnus-article-mime-handle-alist))
3995 (gnus-set-mode-line 'article)))
3996 ;; The result from the `request' was an actual article -
3997 ;; or at least some text that is now displayed in the
3999 (when (and (numberp article)
4000 (not (eq article gnus-current-article)))
4001 ;; Seems like a new article has been selected.
4002 ;; `gnus-current-article' must be an article number.
4004 (set-buffer summary-buffer)
4005 (push article gnus-newsgroup-history)
4006 (setq gnus-last-article gnus-current-article
4007 gnus-current-article article
4008 gnus-current-headers
4009 (gnus-summary-article-header gnus-current-article)
4010 gnus-article-current
4011 (cons gnus-newsgroup-name gnus-current-article))
4012 (unless (vectorp gnus-current-headers)
4013 (setq gnus-current-headers nil))
4014 (gnus-summary-goto-subject gnus-current-article)
4015 (when (gnus-summary-show-thread)
4016 ;; If the summary buffer really was folded, the
4017 ;; previous goto may not actually have gone to
4018 ;; the right article, but the thread root instead.
4020 (gnus-summary-goto-subject gnus-current-article))
4021 (gnus-run-hooks 'gnus-mark-article-hook)
4022 (gnus-set-mode-line 'summary)
4023 (when (gnus-visual-p 'article-highlight 'highlight)
4024 (gnus-run-hooks 'gnus-visual-mark-article-hook))
4025 ;; Set the global newsgroup variables here.
4026 (gnus-set-global-variables)
4027 (setq gnus-have-all-headers
4028 (or all-headers gnus-show-all-headers))))
4030 (gnus-configure-windows 'article))
4031 (when (or (numberp article)
4033 (gnus-article-prepare-display)
4035 (goto-char (point-min))
4036 (when gnus-break-pages
4037 (gnus-narrow-to-page)))
4038 (let ((gnus-article-mime-handle-alist-1
4039 gnus-article-mime-handle-alist))
4040 (gnus-set-mode-line 'article))
4044 (set-window-point (get-buffer-window (current-buffer)) (point))
4045 (gnus-configure-windows 'article)
4049 (defun gnus-article-prepare-display ()
4050 "Make the current buffer look like a nice article."
4051 ;; Hooks for getting information from the article.
4052 ;; This hook must be called before being narrowed.
4053 (let ((gnus-article-buffer (current-buffer))
4055 (inhibit-read-only t))
4056 (unless (eq major-mode 'gnus-article-mode)
4057 (gnus-article-mode))
4058 (setq buffer-read-only nil
4059 gnus-article-wash-types nil
4060 gnus-article-image-alist nil)
4061 (gnus-run-hooks 'gnus-tmp-internal-hook)
4062 (when gnus-display-mime-function
4063 (funcall gnus-display-mime-function))
4064 (gnus-run-hooks 'gnus-article-prepare-hook)))
4067 ;;; Gnus MIME viewing functions
4070 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4071 "Format of the MIME buttons.
4073 Valid specifiers include:
4075 %T MIME type, along with additional info
4076 %n The `name' parameter
4077 %d The description, if any
4078 %l The length of the encoded part
4079 %p The part identifier number
4080 %e Dots if the part isn't displayed
4082 General format specifiers can also be used. See Info node
4083 `(gnus)Formatting Variables'.")
4085 (defvar gnus-mime-button-line-format-alist
4086 '((?t gnus-tmp-type ?s)
4087 (?T gnus-tmp-type-long ?s)
4088 (?n gnus-tmp-name ?s)
4089 (?d gnus-tmp-description ?s)
4091 (?l gnus-tmp-length ?d)
4092 (?e gnus-tmp-dots ?s)))
4094 (defvar gnus-mime-button-commands
4095 '((gnus-article-press-button "\r" "Toggle Display")
4096 (gnus-mime-view-part "v" "View Interactively...")
4097 (gnus-mime-view-part-as-type "t" "View As Type...")
4098 (gnus-mime-view-part-as-charset "C" "View As charset...")
4099 (gnus-mime-save-part "o" "Save...")
4100 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4101 (gnus-mime-replace-part "r" "Replace part")
4102 (gnus-mime-delete-part "d" "Delete part")
4103 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4104 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4105 (gnus-mime-view-part-internally "E" "View Internally") ;; Why `E'?
4106 (gnus-mime-view-part-externally "e" "View Externally")
4107 (gnus-mime-print-part "p" "Print")
4108 (gnus-mime-pipe-part "|" "Pipe To Command...")
4109 (gnus-mime-action-on-part "." "Take action on the part...")))
4111 (defun gnus-article-mime-part-status ()
4112 (if gnus-article-mime-handle-alist-1
4113 (if (eq 1 (length gnus-article-mime-handle-alist-1))
4115 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
4118 (defvar gnus-mime-button-map
4119 (let ((map (make-sparse-keymap)))
4120 (define-key map gnus-mouse-2 'gnus-article-push-button)
4121 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4122 (dolist (c gnus-mime-button-commands)
4123 (define-key map (cadr c) (car c)))
4127 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4129 ,@(mapcar (lambda (c)
4130 (vector (caddr c) (car c) :enable t))
4131 gnus-mime-button-commands)))
4133 (defun gnus-mime-button-menu (event prefix)
4134 "Construct a context-sensitive menu of MIME commands."
4135 (interactive "e\nP")
4136 (save-window-excursion
4137 (let ((pos (event-start event)))
4138 (select-window (posn-window pos))
4139 (goto-char (posn-point pos))
4140 (gnus-article-check-buffer)
4141 (popup-menu gnus-mime-button-menu nil prefix))))
4143 (defun gnus-mime-view-all-parts (&optional handles)
4144 "View all the MIME parts."
4146 (with-current-buffer gnus-article-buffer
4147 (let ((handles (or handles gnus-article-mime-handles))
4148 (mail-parse-charset gnus-newsgroup-charset)
4149 (mail-parse-ignored-charsets
4150 (with-current-buffer gnus-summary-buffer
4151 gnus-newsgroup-ignored-charsets)))
4153 (mm-remove-parts handles)
4154 (goto-char (point-min))
4155 (or (search-forward "\n\n") (goto-char (point-max)))
4156 (let ((inhibit-read-only t))
4157 (delete-region (point) (point-max))
4158 (mm-display-parts handles))))))
4160 (defun gnus-article-jump-to-part (n)
4161 "Jump to MIME part N."
4163 (pop-to-buffer gnus-article-buffer)
4164 ;; FIXME: why is it necessary?
4166 (let ((parts (length gnus-article-mime-handle-alist)))
4169 (read-string ;; Emacs 21 doesn't have `read-number'.
4170 (format "Jump to part (2..%s): " parts)))))
4171 (unless (and (integerp n) (<= n parts) (>= n 1))
4174 (gnus-message 7 "Invalid part `%s', using %s instead."
4177 (gnus-message 9 "Jumping to part %s." n)
4178 (cond ((>= gnus-auto-select-part 1)
4179 (while (and (<= n parts)
4180 (not (gnus-article-goto-part n)))
4182 ((< gnus-auto-select-part 0)
4183 (while (and (>= n 1)
4184 (not (gnus-article-goto-part n)))
4187 (gnus-article-goto-part n)))))
4190 (defsubst gnus-article-edit-part (handles &optional current-id)
4191 "Edit an article in order to delete a mime part.
4192 This function is exclusively used by `gnus-mime-save-part-and-strip'
4193 and `gnus-mime-delete-part', and not provided at run-time normally."
4194 (gnus-article-edit-article
4196 (buffer-disable-undo)
4198 (let ((mail-parse-charset (or gnus-article-charset
4199 ',gnus-newsgroup-charset))
4200 (mail-parse-ignored-charsets
4201 (or gnus-article-ignored-charsets
4202 ',gnus-newsgroup-ignored-charsets))
4203 (mbl mml-buffer-list))
4204 (setq mml-buffer-list nil)
4205 (insert-buffer-substring gnus-original-article-buffer)
4206 (mime-to-mml ',handles)
4207 (setq gnus-article-mime-handles nil)
4208 (let ((mbl1 mml-buffer-list))
4209 (setq mml-buffer-list mbl)
4210 (set (make-local-variable 'mml-buffer-list) mbl1))
4211 (gnus-make-local-hook 'kill-buffer-hook)
4212 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4213 `(lambda (no-highlight)
4214 (let ((mail-parse-charset (or gnus-article-charset
4215 ',gnus-newsgroup-charset))
4216 (message-options message-options)
4217 (message-options-set-recipient)
4218 (mail-parse-ignored-charsets
4219 (or gnus-article-ignored-charsets
4220 ',gnus-newsgroup-ignored-charsets)))
4222 (mml-destroy-buffers)
4223 (remove-hook 'kill-buffer-hook
4224 'mml-destroy-buffers t)
4225 (kill-local-variable 'mml-buffer-list))
4226 (gnus-summary-edit-article-done
4227 ,(or (mail-header-references gnus-current-headers) "")
4228 ,(gnus-group-read-only-p)
4229 ,gnus-summary-buffer no-highlight))
4231 (gnus-article-edit-done)
4232 (gnus-summary-expand-window)
4233 (gnus-summary-show-article)
4234 (when (and current-id (integerp gnus-auto-select-part))
4235 (gnus-article-jump-to-part
4236 (+ current-id gnus-auto-select-part)))))
4238 (defun gnus-mime-replace-part (file)
4239 "Replace MIME part under point with an external body."
4240 ;; Useful if file has already been saved to disk
4244 (read-file-name "Replace MIME part with file: "
4245 (or mm-default-directory default-directory)
4247 (gnus-mime-save-part-and-strip file))
4249 (defun gnus-mime-save-part-and-strip (&optional file)
4250 "Save the MIME part under point then replace it with an external body.
4251 If FILE is given, use it for the external part."
4253 (gnus-article-check-buffer)
4254 (when (gnus-group-read-only-p)
4255 (error "The current group does not support deleting of parts"))
4256 (when (mm-complicated-handles gnus-article-mime-handles)
4258 The current article has a complicated MIME structure, giving up..."))
4259 (let* ((data (get-text-property (point) 'gnus-data))
4260 (id (get-text-property (point) 'gnus-part))
4262 (handles gnus-article-mime-handles))
4265 (and data (mm-save-part data "Delete MIME part and save to: "))))
4267 (with-current-buffer (mm-handle-buffer data)
4269 (insert "Content-Type: " (mm-handle-media-type data))
4270 (mml-insert-parameter-string (cdr (mm-handle-type data))
4273 (insert "Content-ID: " (message-make-message-id) "\n")
4274 (insert "Content-Transfer-Encoding: binary\n")
4277 (cdr (mm-make-handle nil
4278 `("message/external-body"
4279 (access-type . "LOCAL-FILE")
4281 ;; (set-buffer gnus-summary-buffer)
4282 (gnus-article-edit-part handles id))))
4284 ;; A function like `gnus-summary-save-parts' (`X m', `<MIME> <Extract all
4285 ;; parts...>') but with stripping would be nice.
4287 (defun gnus-mime-delete-part ()
4288 "Delete the MIME part under point.
4289 Replace it with some information about the removed part."
4291 (gnus-article-check-buffer)
4292 (when (gnus-group-read-only-p)
4293 (error "The current group does not support deleting of parts"))
4294 (when (mm-complicated-handles gnus-article-mime-handles)
4296 The current article has a complicated MIME structure, giving up..."))
4297 (when (or gnus-expert-user
4298 (gnus-yes-or-no-p "\
4299 Deleting parts may malfunction or destroy the article; continue? "))
4300 (let* ((data (get-text-property (point) 'gnus-data))
4301 (id (get-text-property (point) 'gnus-part))
4302 (handles gnus-article-mime-handles)
4306 (mail-decode-encoded-word-string (or (mm-handle-description data)
4309 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4311 (type (mm-handle-media-type data)))
4313 (error "No MIME part under point"))
4314 (with-current-buffer (mm-handle-buffer data)
4315 (let ((bsize (format "%s" (buffer-size))))
4320 "| The following attachment has been deleted:\n"
4322 "| Type: " type "\n"
4323 "| Filename: " filename "\n"
4324 "| Size (encoded): " bsize " Byte\n"
4325 "| Description: " description "\n"
4328 (cdr (mm-make-handle
4329 nil `("text/plain") nil nil
4331 (format "Deleted attachment (%s bytes)" bsize))))))
4332 ;; (set-buffer gnus-summary-buffer)
4333 (gnus-article-edit-part handles id))))
4335 (defun gnus-mime-save-part ()
4336 "Save the MIME part under point."
4338 (gnus-article-check-buffer)
4339 (let ((data (get-text-property (point) 'gnus-data)))
4341 (mm-save-part data))))
4343 (defun gnus-mime-pipe-part ()
4344 "Pipe the MIME part under point to a process."
4346 (gnus-article-check-buffer)
4347 (let ((data (get-text-property (point) 'gnus-data)))
4349 (mm-pipe-part data))))
4351 (defun gnus-mime-view-part ()
4352 "Interactively choose a viewing method for the MIME part under point."
4354 (gnus-article-check-buffer)
4355 (let ((data (get-text-property (point) 'gnus-data)))
4357 (setq gnus-article-mime-handles
4359 gnus-article-mime-handles (setq data (copy-sequence data))))
4360 (mm-interactively-view-part data))))
4362 (defun gnus-mime-view-part-as-type-internal ()
4363 (gnus-article-check-buffer)
4364 (let* ((handle (get-text-property (point) 'gnus-data))
4366 ;; Content-Type: foo/bar; name=...
4367 (mail-content-type-get (mm-handle-type handle) 'name)
4368 ;; Content-Disposition: attachment; filename=...
4369 (cdr (assq 'filename (cdr (mm-handle-disposition handle))))))
4370 (def-type (and name (mm-default-file-encoding name))))
4371 (and def-type (cons def-type 0))))
4373 (defun gnus-mime-view-part-as-type (&optional mime-type)
4374 "Choose a MIME media type, and view the part as such."
4378 (let ((default (gnus-mime-view-part-as-type-internal)))
4380 (format "View as MIME type (default %s): "
4382 (mapcar #'list (mailcap-mime-types))
4385 (gnus-article-check-buffer)
4386 (let ((handle (get-text-property (point) 'gnus-data)))
4389 (mm-make-handle (mm-handle-buffer handle)
4390 (cons mime-type (cdr (mm-handle-type handle)))
4391 (mm-handle-encoding handle)
4392 (mm-handle-undisplayer handle)
4393 (mm-handle-disposition handle)
4394 (mm-handle-description handle)
4396 (mm-handle-id handle)))
4397 (setq gnus-article-mime-handles
4398 (mm-merge-handles gnus-article-mime-handles handle))
4399 (gnus-mm-display-part handle))))
4401 (defun gnus-mime-copy-part (&optional handle arg)
4402 "Put the MIME part under point into a new buffer.
4403 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4405 (interactive (list nil current-prefix-arg))
4406 (gnus-article-check-buffer)
4408 (setq handle (get-text-property (point) 'gnus-data)))
4410 (let ((filename (or (mail-content-type-get (mm-handle-disposition handle)
4412 (mail-content-type-get (mm-handle-disposition handle)
4414 contents dont-decode charset coding-system)
4415 (mm-with-unibyte-buffer
4416 (mm-insert-part handle)
4417 (setq contents (or (condition-case nil
4418 (mm-decompress-buffer filename nil 'sig)
4420 (setq dont-decode t)
4423 (setq filename (cond (filename (file-name-nondirectory filename))
4424 (dont-decode "*raw data*")
4429 (unless (setq charset (mail-content-type-get
4430 (mm-handle-type handle) 'charset))
4431 (unless (setq coding-system (mm-with-unibyte-buffer
4433 (mm-find-buffer-file-coding-system)))
4434 (setq charset gnus-newsgroup-charset))))
4436 (setq charset (or (cdr (assq arg
4437 gnus-summary-show-article-charset-alist))
4438 (mm-read-coding-system "Charset: ")))))
4439 (switch-to-buffer (generate-new-buffer filename))
4440 (if (or coding-system
4442 (setq coding-system (mm-charset-to-coding-system charset))
4443 (not (eq charset 'ascii))))
4445 (mm-enable-multibyte)
4446 (insert (mm-decode-coding-string contents coding-system))
4447 (setq buffer-file-coding-system
4448 (if (boundp 'last-coding-system-used)
4449 (symbol-value 'last-coding-system-used)
4451 (mm-disable-multibyte)
4453 (setq buffer-file-coding-system mm-binary-coding-system))
4454 ;; We do it this way to make `normal-mode' set the appropriate mode.
4457 (setq buffer-file-name (expand-file-name filename))
4459 (setq buffer-file-name nil))
4460 (goto-char (point-min)))))
4462 (defun gnus-mime-print-part (&optional handle filename)
4463 "Print the MIME part under point."
4464 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4465 (gnus-article-check-buffer)
4466 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4467 (contents (and handle (mm-get-part handle)))
4468 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4469 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4474 (mm-save-part-to-file handle file)
4475 (call-process shell-file-name nil
4476 (generate-new-buffer " *mm*")
4478 shell-command-switch
4480 printer file (mm-handle-type handle))))
4484 (gnus-print-buffer))
4485 (ps-despool filename)))))
4487 (defun gnus-mime-inline-part (&optional handle arg)
4488 "Insert the MIME part under point into the current buffer.
4489 Compressed files like .gz and .bz2 are decompressed."
4490 (interactive (list nil current-prefix-arg))
4491 (gnus-article-check-buffer)
4493 (setq handle (get-text-property (point) 'gnus-data)))
4496 (inhibit-read-only t)
4497 contents charset coding-system)
4498 (if (and (not arg) (mm-handle-undisplayer handle))
4499 (mm-remove-part handle)
4500 (mm-with-unibyte-buffer
4501 (mm-insert-part handle)
4503 (or (mm-decompress-buffer
4504 (or (mail-content-type-get (mm-handle-disposition handle)
4506 (mail-content-type-get (mm-handle-disposition handle)
4512 (unless (setq charset (mail-content-type-get
4513 (mm-handle-type handle) 'charset))
4514 (unless (setq coding-system
4515 (mm-with-unibyte-buffer
4517 (mm-find-buffer-file-coding-system)))
4518 (setq charset gnus-newsgroup-charset))))
4520 (if (mm-handle-undisplayer handle)
4521 (mm-remove-part handle))
4524 gnus-summary-show-article-charset-alist))
4525 (mm-read-coding-system "Charset: "))))
4527 (if (mm-handle-undisplayer handle)
4528 (mm-remove-part handle))))
4532 (if (or coding-system
4535 (mm-charset-to-coding-system charset))
4536 (not (eq coding-system 'ascii))))
4537 (mm-decode-coding-string contents coding-system)
4538 (mm-string-to-multibyte contents)))
4541 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4542 "Insert the MIME part under point into the current buffer using the
4544 (interactive (list nil current-prefix-arg))
4545 (gnus-article-check-buffer)
4546 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4549 (inhibit-read-only t))
4551 (if (mm-handle-undisplayer handle)
4552 (mm-remove-part handle))
4553 (let ((gnus-newsgroup-charset
4555 gnus-summary-show-article-charset-alist))
4556 (mm-read-coding-system "Charset: ")))
4557 (gnus-newsgroup-ignored-charsets 'gnus-all))
4558 (gnus-article-press-button)))))
4560 (defun gnus-mime-view-part-externally (&optional handle)
4561 "View the MIME part under point with an external viewer."
4563 (gnus-article-check-buffer)
4564 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4565 (mm-user-display-methods nil)
4566 (mm-inlined-types nil)
4567 (mail-parse-charset gnus-newsgroup-charset)
4568 (mail-parse-ignored-charsets
4569 (with-current-buffer gnus-summary-buffer
4570 gnus-newsgroup-ignored-charsets)))
4572 (if (mm-handle-undisplayer handle)
4573 (mm-remove-part handle)
4574 (mm-display-part handle)))))
4576 (defun gnus-mime-view-part-internally (&optional handle)
4577 "View the MIME part under point with an internal viewer.
4578 If no internal viewer is available, use an external viewer."
4580 (gnus-article-check-buffer)
4581 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4582 (mm-inlined-types '(".*"))
4583 (mm-inline-large-images t)
4584 (mail-parse-charset gnus-newsgroup-charset)
4585 (mail-parse-ignored-charsets
4586 (with-current-buffer gnus-summary-buffer
4587 gnus-newsgroup-ignored-charsets))
4588 (inhibit-read-only t))
4590 (if (mm-handle-undisplayer handle)
4591 (mm-remove-part handle)
4592 (mm-display-part handle)))))
4594 (defun gnus-mime-action-on-part (&optional action)
4595 "Do something with the MIME attachment at \(point\)."
4597 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4598 (gnus-article-check-buffer)
4599 (let ((action-pair (assoc action gnus-mime-action-alist)))
4601 (funcall (cdr action-pair)))))
4603 (defun gnus-article-part-wrapper (n function &optional no-handle interactive)
4604 "Call FUNCTION on MIME part N.
4605 Unless NO-HANDLE, call FUNCTION with N-th MIME handle as it's only argument.
4606 If INTERACTIVE, call FUNCTION interactivly."
4608 ;; Check whether the article is displayed.
4609 (unless (and (gnus-buffer-live-p gnus-article-buffer)
4610 (setq window (get-buffer-window gnus-article-buffer t))
4611 (frame-visible-p (setq frame (window-frame window))))
4612 (error "No article is displayed"))
4613 (with-current-buffer gnus-article-buffer
4614 ;; Check whether the article displays the right contents.
4615 (unless (with-current-buffer gnus-summary-buffer
4616 (eq gnus-current-article (gnus-summary-article-number)))
4617 (error "You should select the right article first"))
4618 ;; Check whether the specified part exists.
4619 (when (> n (length gnus-article-mime-handle-alist))
4620 (error "No such part")))
4623 ;; To select the window is needed so that the cursor
4624 ;; might be visible on the MIME button.
4625 (select-window (prog1
4627 (setq window (selected-window))
4628 ;; Article may be displayed in the other frame.
4629 (gnus-select-frame-set-input-focus
4632 (setq frame (selected-frame))))))
4633 (when (gnus-article-goto-part n)
4634 ;; We point the cursor and the arrow at the MIME button
4635 ;; when the `function' prompt the user for something.
4636 (let ((cursor-in-non-selected-windows t)
4637 (overlay-arrow-string "=>")
4638 (overlay-arrow-position (point-marker)))
4641 ((and no-handle interactive)
4642 (call-interactively function))
4648 (cdr (assq n gnus-article-mime-handle-alist))))
4651 (cdr (assq n gnus-article-mime-handle-alist)))))
4652 (set-marker overlay-arrow-position nil)
4653 (unless gnus-auto-select-part
4654 (gnus-select-frame-set-input-focus frame)
4655 (select-window window))))
4657 (if gnus-inhibit-mime-unbuttonizing
4658 ;; This is the default though the program shouldn't reach here.
4659 (error "No such part")
4660 ;; The part which doesn't have the MIME button is selected.
4661 ;; So, we display all the buttons and redo it.
4662 (let ((gnus-inhibit-mime-unbuttonizing t))
4663 (gnus-summary-show-article)
4664 (gnus-article-part-wrapper n function no-handle))))))
4666 (defun gnus-article-pipe-part (n)
4667 "Pipe MIME part N, which is the numerical prefix."
4669 (gnus-article-part-wrapper n 'mm-pipe-part))
4671 (defun gnus-article-save-part (n)
4672 "Save MIME part N, which is the numerical prefix."
4674 (gnus-article-part-wrapper n 'mm-save-part))
4676 (defun gnus-article-interactively-view-part (n)
4677 "View MIME part N interactively, which is the numerical prefix."
4679 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4681 (defun gnus-article-copy-part (n)
4682 "Copy MIME part N, which is the numerical prefix."
4684 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4686 (defun gnus-article-view-part-as-charset (n)
4687 "View MIME part N using a specified charset.
4688 N is the numerical prefix."
4690 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4692 (defun gnus-article-view-part-externally (n)
4693 "View MIME part N externally, which is the numerical prefix."
4695 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4697 (defun gnus-article-inline-part (n)
4698 "Inline MIME part N, which is the numerical prefix."
4700 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4702 (defun gnus-article-save-part-and-strip (n)
4703 "Save MIME part N and replace it with an external body.
4704 N is the numerical prefix."
4706 (gnus-article-part-wrapper n 'gnus-mime-save-part-and-strip t))
4708 (defun gnus-article-replace-part (n)
4709 "Replace MIME part N with an external body.
4710 N is the numerical prefix."
4712 (gnus-article-part-wrapper n 'gnus-mime-replace-part t t))
4714 (defun gnus-article-delete-part (n)
4715 "Delete MIME part N and add some information about the removed part.
4716 N is the numerical prefix."
4718 (gnus-article-part-wrapper n 'gnus-mime-delete-part t))
4720 (defun gnus-article-mime-match-handle-first (condition)
4723 (dolist (ihandle gnus-article-mime-handle-alist)
4725 ((functionp condition)
4726 (funcall condition (cdr ihandle)))
4727 ((eq condition 'undisplayed)
4728 (not (or (mm-handle-undisplayer (cdr ihandle))
4729 (equal (mm-handle-media-type (cdr ihandle))
4730 "multipart/alternative"))))
4731 ((eq condition 'undisplayed-alternative)
4732 (not (mm-handle-undisplayer (cdr ihandle))))
4734 (gnus-article-goto-part (car ihandle))
4735 (or (not n) (< (car ihandle) n)))
4736 (setq n (car ihandle))))
4740 (defun gnus-article-view-part (&optional n)
4741 "View MIME part N, which is the numerical prefix."
4743 (with-current-buffer gnus-article-buffer
4744 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4745 gnus-article-mime-match-handle-function)))
4746 (when (> n (length gnus-article-mime-handle-alist))
4747 (error "No such part"))
4748 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4749 (when (gnus-article-goto-part n)
4750 (if (equal (car handle) "multipart/alternative")
4751 (gnus-article-press-button)
4752 (when (eq (gnus-mm-display-part handle) 'internal)
4753 (gnus-set-window-start)))))))
4755 (defsubst gnus-article-mime-total-parts ()
4756 (if (bufferp (car gnus-article-mime-handles))
4758 (1- (length gnus-article-mime-handles))))
4760 (defun gnus-mm-display-part (handle)
4761 "Display HANDLE and fix MIME button."
4762 (let ((id (get-text-property (point) 'gnus-part))
4764 (inhibit-read-only t))
4767 (let ((window (selected-window))
4768 (mail-parse-charset gnus-newsgroup-charset)
4769 (mail-parse-ignored-charsets
4770 (if (gnus-buffer-live-p gnus-summary-buffer)
4771 (with-current-buffer gnus-summary-buffer
4772 gnus-newsgroup-ignored-charsets)
4776 (let ((win (gnus-get-buffer-window (current-buffer) t))
4779 (select-window win))
4782 (if (mm-handle-displayed-p handle)
4783 ;; This will remove the part.
4784 (mm-display-part handle)
4786 (narrow-to-region (point)
4787 (if (eobp) (point) (1+ (point))))
4788 (mm-display-part handle)
4789 ;; We narrow to the part itself and
4790 ;; then call the treatment functions.
4791 (goto-char (point-min))
4793 (narrow-to-region (point) (point-max))
4796 (gnus-article-mime-total-parts)
4797 (mm-handle-media-type handle)))))
4798 (if (window-live-p window)
4799 (select-window window)))))
4802 (gnus-insert-mime-button
4803 handle id (list (mm-handle-displayed-p handle)))
4804 (goto-char point))))
4806 (defun gnus-article-goto-part (n)
4807 "Go to MIME part N."
4808 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
4810 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4811 (let ((gnus-tmp-name
4812 (or (mail-content-type-get (mm-handle-type handle) 'name)
4813 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4814 (mail-content-type-get (mm-handle-type handle) 'url)
4816 (gnus-tmp-type (mm-handle-media-type handle))
4817 (gnus-tmp-description
4818 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4821 (if (if displayed (car displayed)
4822 (mm-handle-displayed-p handle))
4824 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4826 gnus-tmp-type-long b e)
4827 (when (string-match ".*/" gnus-tmp-name)
4828 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4829 (setq gnus-tmp-type-long (concat gnus-tmp-type
4830 (and (not (equal gnus-tmp-name ""))
4831 (concat "; " gnus-tmp-name))))
4832 (unless (equal gnus-tmp-description "")
4833 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4838 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4839 `(keymap ,gnus-mime-button-map
4840 gnus-callback gnus-mm-display-part
4841 gnus-part ,gnus-tmp-id
4842 article-type annotation
4845 ;; Exclude a newline.
4848 (widget-convert-button
4851 :action 'gnus-widget-press-button
4852 :button-keymap gnus-mime-button-map
4854 (lambda (widget/window &optional overlay pos)
4855 ;; Needed to properly clear the message due to a bug in
4856 ;; wid-edit (XEmacs only).
4857 (if (boundp 'help-echo-owns-message)
4858 (setq help-echo-owns-message t))
4860 "%S: %s the MIME part; %S: more options"
4861 (aref gnus-mouse-2 0)
4862 ;; XEmacs will get a single widget arg; Emacs 21 will get
4863 ;; window, overlay, position.
4864 (if (mm-handle-displayed-p
4866 (with-current-buffer (gnus-overlay-buffer overlay)
4867 (widget-get (widget-at (gnus-overlay-start overlay))
4869 (widget-get widget/window :mime-handle)))
4871 (aref gnus-down-mouse-3 0))))))
4873 (defun gnus-widget-press-button (elems el)
4874 (goto-char (widget-get elems :from))
4875 (gnus-article-press-button))
4877 (defvar gnus-displaying-mime nil)
4879 (defun gnus-display-mime (&optional ihandles)
4880 "Display the MIME parts."
4882 (save-selected-window
4883 (let ((window (get-buffer-window gnus-article-buffer))
4886 (select-window window)
4887 ;; We have to do this since selecting the window
4888 ;; may change the point. So we set the window point.
4889 (set-window-point window point)))
4890 (let ((handles ihandles)
4891 (inhibit-read-only t)
4894 ((setq handles (mm-dissect-buffer nil gnus-article-loose-mime))
4895 (when gnus-article-emulate-mime
4896 (mm-uu-dissect-text-parts handles)))
4897 (gnus-article-emulate-mime
4898 (setq handles (mm-uu-dissect))))
4899 (when (and (not ihandles)
4900 (not gnus-displaying-mime))
4901 ;; Top-level call; we clean up.
4902 (when gnus-article-mime-handles
4903 (mm-destroy-parts gnus-article-mime-handles)
4904 (setq gnus-article-mime-handle-alist nil));; A trick.
4905 (setq gnus-article-mime-handles handles)
4906 ;; We allow users to glean info from the handles.
4907 (when gnus-article-mime-part-function
4908 (gnus-mime-part-function handles)))
4910 (or (not (stringp (car handles)))
4913 (when (and (not ihandles)
4914 (not gnus-displaying-mime))
4915 ;; Clean up for mime parts.
4917 (delete-region (point) (point-max)))
4918 (let ((gnus-displaying-mime t))
4919 (gnus-mime-display-part handles)))
4922 (narrow-to-region (point) (point-max))
4923 (gnus-treat-article nil 1 1)
4926 ;; Highlight the headers.
4930 (narrow-to-region (point-min) (point))
4931 (gnus-article-save-original-date
4932 (gnus-treat-article 'head)))))))))
4934 (defcustom gnus-mime-display-multipart-as-mixed nil
4935 "Display \"multipart\" parts as \"multipart/mixed\".
4937 If t, it overrides nil values of
4938 `gnus-mime-display-multipart-alternative-as-mixed' and
4939 `gnus-mime-display-multipart-related-as-mixed'."
4940 :group 'gnus-article-mime
4943 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
4944 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
4946 :group 'gnus-article-mime
4949 (defcustom gnus-mime-display-multipart-related-as-mixed nil
4950 "Display \"multipart/related\" parts as \"multipart/mixed\".
4952 If displaying \"text/html\" is discouraged \(see
4953 `mm-discouraged-alternatives'\) images or other material inside a
4954 \"multipart/related\" part might be overlooked when this variable is nil."
4956 :group 'gnus-article-mime
4959 (defun gnus-mime-display-part (handle)
4961 ;; Maybe a broken MIME message.
4964 ((not (stringp (car handle)))
4965 (gnus-mime-display-single handle))
4966 ;; User-defined multipart
4967 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
4968 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
4970 ;; multipart/alternative
4971 ((and (equal (car handle) "multipart/alternative")
4972 (not (or gnus-mime-display-multipart-as-mixed
4973 gnus-mime-display-multipart-alternative-as-mixed)))
4974 (let ((id (1+ (length gnus-article-mime-handle-alist))))
4975 (push (cons id handle) gnus-article-mime-handle-alist)
4976 (gnus-mime-display-alternative (cdr handle) nil nil id)))
4977 ;; multipart/related
4978 ((and (equal (car handle) "multipart/related")
4979 (not (or gnus-mime-display-multipart-as-mixed
4980 gnus-mime-display-multipart-related-as-mixed)))
4981 ;;;!!!We should find the start part, but we just default
4982 ;;;!!!to the first part.
4983 ;;(gnus-mime-display-part (cadr handle))
4984 ;;;!!! Most multipart/related is an HTML message plus images.
4985 ;;;!!! Unfortunately we are unable to let W3 display those
4986 ;;;!!! included images, so we just display it as a mixed multipart.
4987 ;;(gnus-mime-display-mixed (cdr handle))
4988 ;;;!!! No, w3 can display everything just fine.
4989 (gnus-mime-display-part (cadr handle)))
4990 ((equal (car handle) "multipart/signed")
4991 (gnus-add-wash-type 'signed)
4992 (gnus-mime-display-security handle))
4993 ((equal (car handle) "multipart/encrypted")
4994 (gnus-add-wash-type 'encrypted)
4995 (gnus-mime-display-security handle))
4996 ;; Other multiparts are handled like multipart/mixed.
4998 (gnus-mime-display-mixed (cdr handle)))))
5000 (defun gnus-mime-part-function (handles)
5001 (if (stringp (car handles))
5002 (mapcar 'gnus-mime-part-function (cdr handles))
5003 (funcall gnus-article-mime-part-function handles)))
5005 (defun gnus-mime-display-mixed (handles)
5006 (mapcar 'gnus-mime-display-part handles))
5008 (defun gnus-mime-display-single (handle)
5009 (let ((type (mm-handle-media-type handle))
5010 (ignored gnus-ignored-mime-types)
5017 (when (string-match (pop ignored) type)
5018 (throw 'ignored nil)))
5019 (if (and (setq not-attachment
5020 (and (not (mm-inline-override-p handle))
5021 (or (not (mm-handle-disposition handle))
5022 (equal (car (mm-handle-disposition handle))
5024 (mm-attachment-override-p handle))))
5025 (mm-automatic-display-p handle)
5027 (mm-inlinable-p handle)
5028 (mm-inlined-p handle))
5029 (mm-automatic-external-display-p type)))
5031 (when (equal (mm-handle-media-supertype handle) "text")
5033 (let ((id (1+ (length gnus-article-mime-handle-alist)))
5035 (push (cons id handle) gnus-article-mime-handle-alist)
5036 (when (or (not display)
5037 (not (gnus-unbuttonized-mime-type-p type)))
5038 (gnus-insert-mime-button
5039 handle id (list (or display (and not-attachment text))))
5040 (gnus-article-insert-newline)
5041 ;; Remember modify the number of forward lines.
5049 (let ((mail-parse-charset gnus-newsgroup-charset)
5050 (mail-parse-ignored-charsets
5051 (save-excursion (condition-case ()
5052 (set-buffer gnus-summary-buffer)
5054 gnus-newsgroup-ignored-charsets)))
5055 (mm-display-part handle t))
5056 (goto-char (point-max)))
5057 ((and text not-attachment)
5061 (gnus-article-insert-newline)
5064 (let ((charset (mail-content-type-get (mm-handle-type handle)
5066 (cond ((not charset)
5067 (mm-string-as-multibyte (mm-get-part handle)))
5068 ((eq charset 'gnus-decoded)
5069 (with-current-buffer (mm-handle-buffer handle)
5072 (mm-decode-string (mm-get-part handle) charset)))))
5073 (goto-char (point-max))))
5077 (narrow-to-region beg (point))
5080 (gnus-article-mime-total-parts)
5081 (mm-handle-media-type handle)))))))))
5083 (defun gnus-unbuttonized-mime-type-p (type)
5084 "Say whether TYPE is to be unbuttonized."
5085 (unless gnus-inhibit-mime-unbuttonizing
5087 (let ((types gnus-unbuttonized-mime-types))
5089 (when (string-match (pop types) type)
5090 (throw 'found t)))))
5092 (let ((types gnus-buttonized-mime-types))
5094 (when (string-match (pop types) type)
5095 (throw 'found t)))))))))
5097 (defun gnus-article-insert-newline ()
5098 "Insert a newline, but mark it as undeletable."
5099 (gnus-put-text-property
5100 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
5102 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
5103 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
5106 handle (inhibit-read-only t) from props begend not-pref)
5107 (save-window-excursion
5110 (narrow-to-region (car ibegend)
5113 (goto-char (car ibegend))
5116 (delete-region (point-min) (point-max))
5117 (mm-remove-parts handles))
5118 (setq begend (list (point-marker)))
5120 (unless (setq not-pref (cadr (member preferred ihandles)))
5121 (setq not-pref (car ihandles)))
5124 (not (gnus-unbuttonized-mime-type-p
5125 "multipart/alternative")))
5126 (gnus-add-text-properties
5129 (insert (format "%d. " id))
5133 (unless ,(not ibegend)
5134 (setq gnus-article-mime-handle-alist
5135 ',gnus-article-mime-handle-alist))
5136 (gnus-mime-display-alternative
5137 ',ihandles ',not-pref ',begend ,id))
5138 keymap ,gnus-mime-button-map
5139 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5140 face ,gnus-article-button-face
5142 article-type multipart))
5143 (widget-convert-button 'link from (point)
5144 :action 'gnus-widget-press-button
5145 :button-keymap gnus-widget-button-keymap)
5147 (while (setq handle (pop handles))
5148 (gnus-add-text-properties
5151 (insert (format "(%c) %-18s"
5152 (if (equal handle preferred) ?* ? )
5153 (mm-handle-media-type handle)))
5157 (unless ,(not ibegend)
5158 (setq gnus-article-mime-handle-alist
5159 ',gnus-article-mime-handle-alist))
5160 (gnus-mime-display-alternative
5161 ',ihandles ',handle ',begend ,id))
5162 keymap ,gnus-mime-button-map
5163 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5164 face ,gnus-article-button-face
5167 (widget-convert-button 'link from (point)
5168 :action 'gnus-widget-press-button
5169 :button-keymap gnus-widget-button-keymap)
5173 (if (stringp (car preferred))
5174 (gnus-display-mime preferred)
5175 (let ((mail-parse-charset gnus-newsgroup-charset)
5176 (mail-parse-ignored-charsets
5177 (with-current-buffer gnus-summary-buffer
5178 gnus-newsgroup-ignored-charsets)))
5179 (mm-display-part preferred)
5183 (narrow-to-region (car begend) (point-max))
5185 nil (length gnus-article-mime-handle-alist)
5186 (gnus-article-mime-total-parts)
5187 (mm-handle-media-type handle))))))
5188 (goto-char (point-max))
5189 (setcdr begend (point-marker)))))
5191 (goto-char point))))
5193 (defconst gnus-article-wash-status-strings
5194 (let ((alist '((cite "c" "Possible hidden citation text"
5195 " " "All citation text visible")
5196 (headers "h" "Hidden headers"
5197 " " "All headers visible.")
5198 (pgp "p" "Encrypted or signed message status hidden"
5199 " " "No hidden encryption nor digital signature status")
5200 (signature "s" "Signature has been hidden"
5201 " " "Signature is visible")
5202 (overstrike "o" "Overstrike (^H) characters applied"
5203 " " "No overstrike characters applied")
5204 (emphasis "e" "/*_Emphasis_*/ characters applied"
5205 " " "No /*_emphasis_*/ characters applied")))
5207 (dolist (entry alist result)
5208 (let ((key (nth 0 entry))
5209 (on (copy-sequence (nth 1 entry)))
5210 (on-help (nth 2 entry))
5211 (off (copy-sequence (nth 3 entry)))
5212 (off-help (nth 4 entry)))
5213 (put-text-property 0 1 'help-echo on-help on)
5214 (put-text-property 0 1 'help-echo off-help off)
5215 (push (list key on off) result))))
5216 "Alist of strings describing wash status in the mode line.
5217 Each entry has the form (KEY ON OF), where the KEY is a symbol
5218 representing the particular washing function, ON is the string to use
5219 in the article mode line when the washing function is active, and OFF
5220 is the string to use when it is inactive.")
5222 (defun gnus-article-wash-status-entry (key value)
5223 (let ((entry (assoc key gnus-article-wash-status-strings)))
5224 (if value (nth 1 entry) (nth 2 entry))))
5226 (defun gnus-article-wash-status ()
5227 "Return a string which display status of article washing."
5228 (with-current-buffer gnus-article-buffer
5229 (let ((cite (memq 'cite gnus-article-wash-types))
5230 (headers (memq 'headers gnus-article-wash-types))
5231 (boring (memq 'boring-headers gnus-article-wash-types))
5232 (pgp (memq 'pgp gnus-article-wash-types))
5233 (pem (memq 'pem gnus-article-wash-types))
5234 (signed (memq 'signed gnus-article-wash-types))
5235 (encrypted (memq 'encrypted gnus-article-wash-types))
5236 (signature (memq 'signature gnus-article-wash-types))
5237 (overstrike (memq 'overstrike gnus-article-wash-types))
5238 (emphasis (memq 'emphasis gnus-article-wash-types)))
5240 (gnus-article-wash-status-entry 'cite cite)
5241 (gnus-article-wash-status-entry 'headers (or headers boring))
5242 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
5243 (gnus-article-wash-status-entry 'signature signature)
5244 (gnus-article-wash-status-entry 'overstrike overstrike)
5245 (gnus-article-wash-status-entry 'emphasis emphasis)))))
5247 (defun gnus-add-wash-type (type)
5248 "Add a washing of TYPE to the current status."
5249 (add-to-list 'gnus-article-wash-types type))
5251 (defun gnus-delete-wash-type (type)
5252 "Add a washing of TYPE to the current status."
5253 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
5255 (defun gnus-add-image (category image)
5256 "Add IMAGE of CATEGORY to the list of displayed images."
5257 (let ((entry (assq category gnus-article-image-alist)))
5259 (setq entry (list category))
5260 (push entry gnus-article-image-alist))
5261 (nconc entry (list image))))
5263 (defun gnus-delete-images (category)
5264 "Delete all images in CATEGORY."
5265 (let ((entry (assq category gnus-article-image-alist)))
5266 (dolist (image (cdr entry))
5267 (gnus-remove-image image category))
5268 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
5269 (gnus-delete-wash-type category)))
5271 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
5273 (defun gnus-article-maybe-hide-headers ()
5274 "Hide unwanted headers if `gnus-have-all-headers' is nil.
5275 Provided for backwards compatibility."
5276 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
5277 (not (with-current-buffer gnus-summary-buffer
5278 gnus-have-all-headers)))
5279 (not gnus-inhibit-hiding))
5280 (gnus-article-hide-headers)))
5284 (defun gnus-output-to-file (file-name)
5285 "Append the current article to a file named FILE-NAME."
5286 (let ((artbuf (current-buffer)))
5288 (insert-buffer-substring artbuf)
5289 ;; Append newline at end of the buffer as separator, and then
5291 (goto-char (point-max))
5293 (let ((file-name-coding-system nnmail-pathname-coding-system))
5294 (mm-append-to-file (point-min) (point-max) file-name))
5297 (defun gnus-narrow-to-page (&optional arg)
5298 "Narrow the article buffer to a page.
5299 If given a numerical ARG, move forward ARG pages."
5301 (setq arg (if arg (prefix-numeric-value arg) 0))
5303 (set-buffer gnus-article-buffer)
5304 (goto-char (point-min))
5306 ;; Remove any old next/prev buttons.
5307 (when (gnus-visual-p 'page-marker)
5308 (let ((inhibit-read-only t))
5309 (gnus-remove-text-with-property 'gnus-prev)
5310 (gnus-remove-text-with-property 'gnus-next)))
5313 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
5315 (re-search-forward page-delimiter nil 'move arg)))
5316 (goto-char (match-end 0))
5318 (goto-char (point-min))
5319 (setq gnus-page-broken
5320 (and (re-search-forward page-delimiter nil t) t))))
5321 (when gnus-page-broken
5324 (if (re-search-forward page-delimiter nil 'move)
5327 (when (and (gnus-visual-p 'page-marker)
5328 (> (point-min) (save-restriction (widen) (point-min))))
5330 (goto-char (point-min))
5331 (gnus-insert-prev-page-button)))
5332 (when (and (gnus-visual-p 'page-marker)
5333 (< (point-max) (save-restriction (widen) (point-max))))
5335 (goto-char (point-max))
5336 (gnus-insert-next-page-button))))))
5338 ;; Article mode commands
5340 (defun gnus-article-goto-next-page ()
5341 "Show the next page of the article."
5343 (when (gnus-article-next-page)
5344 (goto-char (point-min))
5345 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
5348 (defun gnus-article-goto-prev-page ()
5349 "Show the previous page of the article."
5352 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
5353 (gnus-article-prev-page nil)))
5355 ;; This is cleaner but currently breaks `gnus-pick-mode':
5357 ;; (defun gnus-article-goto-next-page ()
5358 ;; "Show the next page of the article."
5360 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5361 ;; (gnus-summary-next-page)))
5363 ;; (defun gnus-article-goto-prev-page ()
5364 ;; "Show the next page of the article."
5366 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5367 ;; (gnus-summary-prev-page)))
5369 (defun gnus-article-next-page (&optional lines)
5370 "Show the next page of the current article.
5371 If end of article, return non-nil. Otherwise return nil.
5372 Argument LINES specifies lines to be scrolled up."
5374 (move-to-window-line -1)
5377 (and (pos-visible-in-window-p) ;Not continuation line.
5378 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
5379 ;; Nothing in this page.
5380 (if (or (not gnus-page-broken)
5385 (eobp)))) ;Real end-of-buffer?
5387 (when gnus-article-over-scroll
5388 (gnus-article-next-page-1 lines))
5390 (gnus-narrow-to-page 1) ;Go to next page.
5392 ;; More in this page.
5393 (gnus-article-next-page-1 lines)
5396 (defmacro gnus-article-beginning-of-window ()
5397 "Move point to the beginning of the window.
5398 In Emacs, the point is placed at the line number which `scroll-margin'
5400 (if (featurep 'xemacs)
5401 '(move-to-window-line 0)
5402 '(move-to-window-line
5403 (min (max 0 scroll-margin)
5404 (max 1 (- (window-height)
5405 (if mode-line-format 1 0)
5406 (if header-line-format 1 0)))))))
5408 (defun gnus-article-next-page-1 (lines)
5409 (when (and (not (featurep 'xemacs))
5412 (numberp (symbol-value 'scroll-margin))
5413 (> (symbol-value 'scroll-margin) 0))
5414 ;; Protect against the bug that Emacs 21.x hangs up when scrolling up for
5415 ;; too many number of lines if `scroll-margin' is set as two or greater.
5416 (setq lines (min lines
5417 (max 0 (- (count-lines (window-start) (point-max))
5418 (symbol-value 'scroll-margin))))))
5420 (let ((scroll-in-place nil))
5423 ;; Long lines may cause an end-of-buffer error.
5424 (goto-char (point-max))))
5425 (gnus-article-beginning-of-window))
5427 (defun gnus-article-prev-page (&optional lines)
5428 "Show previous page of current article.
5429 Argument LINES specifies lines to be scrolled down."
5431 (move-to-window-line 0)
5432 (if (and gnus-page-broken
5434 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
5436 (gnus-narrow-to-page -1) ;Go to previous page.
5437 (goto-char (point-max))
5441 (let ((scroll-in-place nil))
5442 (scroll-down lines))
5443 (beginning-of-buffer
5444 (goto-char (point-min))))
5445 (gnus-article-beginning-of-window))))
5447 (defun gnus-article-only-boring-p ()
5448 "Decide whether there is only boring text remaining in the article.
5449 Something \"interesting\" is a word of at least two letters that does
5450 not have a face in `gnus-article-boring-faces'."
5451 (when (and gnus-article-skip-boring
5452 (boundp 'gnus-article-boring-faces)
5453 (symbol-value 'gnus-article-boring-faces))
5456 (while (re-search-forward "\\b\\w\\w" nil t)
5458 (when (not (gnus-intersection
5459 (gnus-faces-at (point))
5460 (symbol-value 'gnus-article-boring-faces)))
5461 (throw 'only-boring nil)))
5462 (throw 'only-boring t)))))
5464 (defun gnus-article-refer-article ()
5465 "Read article specified by message-id around point."
5468 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
5469 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
5470 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
5471 (let ((msg-id (concat "<" (match-string 0) ">")))
5472 (set-buffer gnus-summary-buffer)
5473 (gnus-summary-refer-article msg-id))
5474 (error "No references around point"))))
5476 (defun gnus-article-show-summary ()
5477 "Reconfigure windows to show summary buffer."
5479 (if (not (gnus-buffer-live-p gnus-summary-buffer))
5480 (error "There is no summary buffer for this article buffer")
5481 (gnus-article-set-globals)
5482 (gnus-configure-windows 'article)
5483 (gnus-summary-goto-subject gnus-current-article)
5484 (gnus-summary-position-point)))
5486 (defun gnus-article-describe-briefly ()
5487 "Describe article mode commands briefly."
5489 (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")))
5491 (defun gnus-article-summary-command ()
5492 "Execute the last keystroke in the summary buffer."
5494 (let ((obuf (current-buffer))
5495 (owin (current-window-configuration))
5497 (switch-to-buffer gnus-article-current-summary 'norecord)
5498 (setq func (lookup-key (current-local-map) (this-command-keys)))
5499 (call-interactively func)
5501 (set-window-configuration owin)
5502 (set-window-point (get-buffer-window (current-buffer)) (point))))
5504 (defun gnus-article-summary-command-nosave ()
5505 "Execute the last keystroke in the summary buffer."
5508 (pop-to-buffer gnus-article-current-summary 'norecord)
5509 (setq func (lookup-key (current-local-map) (this-command-keys)))
5510 (call-interactively func)))
5512 (defun gnus-article-check-buffer ()
5513 "Beep if not in an article buffer."
5514 (unless (equal major-mode 'gnus-article-mode)
5515 (error "Command invoked outside of a Gnus article buffer")))
5517 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
5518 "Read a summary buffer key sequence and execute it from the article buffer."
5520 (gnus-article-check-buffer)
5522 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
5523 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
5524 "=" "^" "\M-^" "|"))
5530 '("n" "Gn" "p" "Gp"))
5533 (set-buffer gnus-article-current-summary)
5534 (let (gnus-pick-mode)
5535 (push (or key last-command-event) unread-command-events)
5536 (setq keys (if (featurep 'xemacs)
5537 (events-to-keys (read-key-sequence nil))
5538 (read-key-sequence nil)))))
5542 (if (or (member keys nosaves)
5543 (member keys nosave-but-article)
5544 (member keys nosave-in-article))
5546 (save-window-excursion
5547 (pop-to-buffer gnus-article-current-summary 'norecord)
5548 ;; We disable the pick minor mode commands.
5549 (let (gnus-pick-mode)
5550 (setq func (lookup-key (current-local-map) keys))))
5554 (unless (member keys nosave-in-article)
5555 (set-buffer gnus-article-current-summary))
5556 (call-interactively func)
5557 (setq new-sum-point (point)))
5558 (when (member keys nosave-but-article)
5559 (pop-to-buffer gnus-article-buffer 'norecord)))
5560 ;; These commands should restore window configuration.
5561 (let ((obuf (current-buffer))
5562 (owin (current-window-configuration))
5564 win func in-buffer selected new-sum-start new-sum-hscroll)
5565 (cond (not-restore-window
5566 (pop-to-buffer gnus-article-current-summary 'norecord))
5567 ((setq win (get-buffer-window gnus-article-current-summary))
5568 (select-window win))
5570 (switch-to-buffer gnus-article-current-summary 'norecord)))
5571 (setq in-buffer (current-buffer))
5572 ;; We disable the pick minor mode commands.
5573 (if (and (setq func (let (gnus-pick-mode)
5574 (lookup-key (current-local-map) keys)))
5577 (call-interactively func)
5578 (when (eq win (selected-window))
5579 (setq new-sum-point (point)
5580 new-sum-start (window-start win)
5581 new-sum-hscroll (window-hscroll win)))
5582 (when (eq in-buffer (current-buffer))
5583 (setq selected (gnus-summary-select-article))
5585 (unless not-restore-window
5586 (set-window-configuration owin))
5587 (when (eq selected 'old)
5589 (set-window-start (get-buffer-window (current-buffer))
5591 (set-window-point (get-buffer-window (current-buffer))
5593 (when (and (not not-restore-window)
5595 (set-window-point win new-sum-point)
5596 (set-window-start win new-sum-start)
5597 (set-window-hscroll win new-sum-hscroll))))
5598 (set-window-configuration owin)
5601 (defun gnus-article-describe-key (key)
5602 "Display documentation of the function invoked by KEY. KEY is a string."
5603 (interactive "kDescribe key: ")
5604 (gnus-article-check-buffer)
5605 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5607 (set-buffer gnus-article-current-summary)
5608 (let (gnus-pick-mode)
5609 (if (featurep 'xemacs)
5611 (push (elt key 0) unread-command-events)
5612 (setq key (events-to-keys
5613 (read-key-sequence "Describe key: "))))
5614 (setq unread-command-events
5616 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5617 (string-to-list key)))
5618 (setq key (read-key-sequence "Describe key: "))))
5620 (describe-key key)))
5622 (defun gnus-article-describe-key-briefly (key &optional insert)
5623 "Display documentation of the function invoked by KEY. KEY is a string."
5624 (interactive "kDescribe key: \nP")
5625 (gnus-article-check-buffer)
5626 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5628 (set-buffer gnus-article-current-summary)
5629 (let (gnus-pick-mode)
5630 (if (featurep 'xemacs)
5632 (push (elt key 0) unread-command-events)
5633 (setq key (events-to-keys
5634 (read-key-sequence "Describe key: "))))
5635 (setq unread-command-events
5637 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5638 (string-to-list key)))
5639 (setq key (read-key-sequence "Describe key: "))))
5640 (describe-key-briefly key insert))
5641 (describe-key-briefly key insert)))
5643 (defun gnus-article-reply-with-original (&optional wide)
5644 "Start composing a reply mail to the current message.
5645 The text in the region will be yanked. If the region isn't active,
5646 the entire article will be yanked."
5648 (let ((article (cdr gnus-article-current))
5650 (if (not (gnus-region-active-p))
5651 (with-current-buffer gnus-summary-buffer
5652 (gnus-summary-reply (list (list article)) wide))
5653 (setq contents (buffer-substring (point) (mark t)))
5654 ;; Deactivate active regions.
5655 (when (and (boundp 'transient-mark-mode)
5656 transient-mark-mode)
5657 (setq mark-active nil))
5658 (with-current-buffer gnus-summary-buffer
5660 (list (list article contents)) wide)))))
5662 (defun gnus-article-followup-with-original ()
5663 "Compose a followup to the current article.
5664 The text in the region will be yanked. If the region isn't active,
5665 the entire article will be yanked."
5667 (let ((article (cdr gnus-article-current))
5669 (if (not (gnus-region-active-p))
5670 (with-current-buffer gnus-summary-buffer
5671 (gnus-summary-followup (list (list article))))
5672 (setq contents (buffer-substring (point) (mark t)))
5673 ;; Deactivate active regions.
5674 (when (and (boundp 'transient-mark-mode)
5675 transient-mark-mode)
5676 (setq mark-active nil))
5677 (with-current-buffer gnus-summary-buffer
5678 (gnus-summary-followup
5679 (list (list article contents)))))))
5681 (defun gnus-article-hide (&optional arg force)
5682 "Hide all the gruft in the current article.
5683 This means that signatures, cited text and (some) headers will be
5685 If given a prefix, show the hidden text instead."
5686 (interactive (append (gnus-article-hidden-arg) (list 'force)))
5687 (gnus-article-hide-headers arg)
5688 (gnus-article-hide-list-identifiers arg)
5689 (gnus-article-hide-citation-maybe arg force)
5690 (gnus-article-hide-signature arg))
5692 (defun gnus-article-maybe-highlight ()
5693 "Do some article highlighting if article highlighting is requested."
5694 (when (gnus-visual-p 'article-highlight 'highlight)
5695 (gnus-article-highlight-some)))
5697 (defun gnus-check-group-server ()
5698 ;; Make sure the connection to the server is alive.
5699 (unless (gnus-server-opened
5700 (gnus-find-method-for-group gnus-newsgroup-name))
5701 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5702 (gnus-request-group gnus-newsgroup-name t)))
5705 (autoload 'nneething-get-file-name "nneething"))
5707 (defun gnus-request-article-this-buffer (article group)
5708 "Get an article and insert it into this buffer."
5709 (let (do-update-line sparse-header)
5713 (gnus-kill-all-overlays)
5714 (setq group (or group gnus-newsgroup-name))
5716 ;; Using `gnus-request-article' directly will insert the article into
5717 ;; `nntp-server-buffer' - so we'll save some time by not having to
5718 ;; copy it from the server buffer into the article buffer.
5720 ;; We only request an article by message-id when we do not have the
5721 ;; headers for it, so we'll have to get those.
5722 (when (stringp article)
5723 (gnus-read-header article))
5725 ;; If the article number is negative, that means that this article
5726 ;; doesn't belong in this newsgroup (possibly), so we find its
5727 ;; message-id and request it by id instead of number.
5728 (when (and (numberp article)
5730 (get-buffer gnus-summary-buffer)
5731 (gnus-buffer-exists-p gnus-summary-buffer))
5733 (set-buffer gnus-summary-buffer)
5734 (let ((header (gnus-summary-article-header article)))
5737 ((memq article gnus-newsgroup-sparse)
5738 ;; This is a sparse gap article.
5739 (setq do-update-line article)
5740 (setq article (mail-header-id header))
5741 (setq sparse-header (gnus-read-header article))
5742 (setq gnus-newsgroup-sparse
5743 (delq article gnus-newsgroup-sparse)))
5745 ;; It's a real article.
5746 (setq article (mail-header-id header)))
5748 ;; It is an extracted pseudo-article.
5749 (setq article 'pseudo)
5750 (gnus-request-pseudo-article header))))
5752 (let ((method (gnus-find-method-for-group
5753 gnus-newsgroup-name)))
5754 (when (and (eq (car method) 'nneething)
5756 (let ((dir (nneething-get-file-name
5757 (mail-header-id header))))
5758 (when (and (stringp dir)
5759 (file-directory-p dir))
5760 (setq article 'nneething)
5761 (gnus-group-enter-directory dir))))))))
5764 ;; Refuse to select canceled articles.
5765 ((and (numberp article)
5767 (get-buffer gnus-summary-buffer)
5768 (gnus-buffer-exists-p gnus-summary-buffer)
5769 (eq (cdr (with-current-buffer gnus-summary-buffer
5770 (assq article gnus-newsgroup-reads)))
5771 gnus-canceled-mark))
5773 ;; We first check `gnus-original-article-buffer'.
5774 ((and (get-buffer gnus-original-article-buffer)
5776 (with-current-buffer gnus-original-article-buffer
5777 (and (equal (car gnus-original-article) group)
5778 (eq (cdr gnus-original-article) article))))
5779 (insert-buffer-substring gnus-original-article-buffer)
5781 ;; Check the backlog.
5782 ((and gnus-keep-backlog
5783 (gnus-backlog-request-article group article (current-buffer)))
5785 ;; Check asynchronous pre-fetch.
5786 ((gnus-async-request-fetched-article group article (current-buffer))
5787 (gnus-async-prefetch-next group article gnus-summary-buffer)
5788 (when (and (numberp article) gnus-keep-backlog)
5789 (gnus-backlog-enter-article group article (current-buffer)))
5792 ((and gnus-use-cache
5794 (gnus-cache-request-article article group))
5796 ;; Check the agent cache.
5797 ((gnus-agent-request-article article group)
5799 ;; Get the article and put into the article buffer.
5800 ((or (stringp article)
5802 (let ((gnus-override-method gnus-override-method)
5803 (methods (and (stringp article)
5804 gnus-refer-article-method))
5805 (backend (car (gnus-find-method-for-group
5806 gnus-newsgroup-name)))
5808 (inhibit-read-only t))
5809 (if (or (not (listp methods))
5810 (and (symbolp (car methods))
5811 (assq (car methods) nnoo-definition-alist)))
5812 (setq methods (list methods)))
5813 (when (and (null gnus-override-method)
5815 (setq gnus-override-method (pop methods)))
5817 (when (eq gnus-override-method 'current)
5818 (setq gnus-override-method
5819 (with-current-buffer gnus-summary-buffer
5820 gnus-current-select-method)))
5822 (gnus-kill-all-overlays)
5823 (let ((gnus-newsgroup-name group))
5824 (gnus-check-group-server))
5826 ((gnus-request-article article group (current-buffer))
5827 (when (numberp article)
5828 (gnus-async-prefetch-next group article
5829 gnus-summary-buffer)
5830 (when gnus-keep-backlog
5831 (gnus-backlog-enter-article
5832 group article (current-buffer))))
5833 (setq result 'article))
5835 (setq gnus-override-method (pop methods)))
5836 ((not (string-match "^400 "
5837 (nnheader-get-report backend)))
5838 ;; If we get 400 server disconnect, reconnect and
5839 ;; retry; otherwise, assume the article has expired.
5840 (setq result 'done))))
5841 (and (eq result 'article) 'article)))
5845 ;; Associate this article with the current summary buffer.
5846 (setq gnus-article-current-summary gnus-summary-buffer)
5848 ;; Take the article from the original article buffer
5849 ;; and place it in the buffer it's supposed to be in.
5850 (when (and (get-buffer gnus-article-buffer)
5851 (equal (buffer-name (current-buffer))
5852 (buffer-name (get-buffer gnus-article-buffer))))
5854 (if (get-buffer gnus-original-article-buffer)
5855 (set-buffer gnus-original-article-buffer)
5856 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
5857 (buffer-disable-undo)
5858 (setq major-mode 'gnus-original-article-mode)
5859 (setq buffer-read-only t))
5860 (let ((inhibit-read-only t))
5862 (insert-buffer-substring gnus-article-buffer))
5863 (setq gnus-original-article (cons group article)))
5866 (run-hooks 'gnus-article-decode-hook)
5867 ;; Mark article as decoded or not.
5868 (setq gnus-article-decoded-p gnus-article-decode-hook))
5870 ;; Update sparse articles.
5871 (when (and do-update-line
5872 (or (numberp article)
5874 (let ((buf (current-buffer)))
5875 (set-buffer gnus-summary-buffer)
5876 (gnus-summary-update-article do-update-line sparse-header)
5877 (gnus-summary-goto-subject do-update-line nil t)
5878 (set-window-point (gnus-get-buffer-window (current-buffer) t)
5880 (set-buffer buf))))))
5886 (defcustom gnus-article-edit-mode-hook nil
5887 "Hook run in article edit mode buffers."
5888 :group 'gnus-article-various
5891 (defvar gnus-article-edit-done-function nil)
5893 (defvar gnus-article-edit-mode-map nil)
5895 ;; Should we be using derived.el for this?
5896 (unless gnus-article-edit-mode-map
5897 (setq gnus-article-edit-mode-map (make-keymap))
5898 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
5900 (gnus-define-keys gnus-article-edit-mode-map
5901 "\C-c?" describe-mode
5902 "\C-c\C-c" gnus-article-edit-done
5903 "\C-c\C-k" gnus-article-edit-exit
5904 "\C-c\C-f\C-t" message-goto-to
5905 "\C-c\C-f\C-o" message-goto-from
5906 "\C-c\C-f\C-b" message-goto-bcc
5907 ;;"\C-c\C-f\C-w" message-goto-fcc
5908 "\C-c\C-f\C-c" message-goto-cc
5909 "\C-c\C-f\C-s" message-goto-subject
5910 "\C-c\C-f\C-r" message-goto-reply-to
5911 "\C-c\C-f\C-n" message-goto-newsgroups
5912 "\C-c\C-f\C-d" message-goto-distribution
5913 "\C-c\C-f\C-f" message-goto-followup-to
5914 "\C-c\C-f\C-m" message-goto-mail-followup-to
5915 "\C-c\C-f\C-k" message-goto-keywords
5916 "\C-c\C-f\C-u" message-goto-summary
5917 "\C-c\C-f\C-i" message-insert-or-toggle-importance
5918 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
5919 "\C-c\C-b" message-goto-body
5920 "\C-c\C-i" message-goto-signature
5922 "\C-c\C-t" message-insert-to
5923 "\C-c\C-n" message-insert-newsgroups
5924 "\C-c\C-o" message-sort-headers
5925 "\C-c\C-e" message-elide-region
5926 "\C-c\C-v" message-delete-not-region
5927 "\C-c\C-z" message-kill-to-signature
5928 "\M-\r" message-newline-and-reformat
5929 "\C-c\C-a" mml-attach-file
5930 "\C-a" message-beginning-of-line
5932 "\M-;" comment-region)
5934 (gnus-define-keys (gnus-article-edit-wash-map
5935 "\C-c\C-w" gnus-article-edit-mode-map)
5936 "f" gnus-article-edit-full-stops))
5939 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
5941 ["Fetch To" message-insert-to t]
5942 ["Fetch Newsgroups" message-insert-newsgroups t]
5944 ["To" message-goto-to t]
5945 ["From" message-goto-from t]
5946 ["Subject" message-goto-subject t]
5947 ["Cc" message-goto-cc t]
5948 ["Reply-To" message-goto-reply-to t]
5949 ["Summary" message-goto-summary t]
5950 ["Keywords" message-goto-keywords t]
5951 ["Newsgroups" message-goto-newsgroups t]
5952 ["Followup-To" message-goto-followup-to t]
5953 ["Mail-Followup-To" message-goto-mail-followup-to t]
5954 ["Distribution" message-goto-distribution t]
5955 ["Body" message-goto-body t]
5956 ["Signature" message-goto-signature t]))
5958 (define-derived-mode gnus-article-edit-mode message-mode "Article Edit"
5959 "Major mode for editing articles.
5960 This is an extended text-mode.
5962 \\{gnus-article-edit-mode-map}"
5963 (make-local-variable 'gnus-article-edit-done-function)
5964 (make-local-variable 'gnus-prev-winconf)
5965 (set (make-local-variable 'font-lock-defaults)
5966 '(message-font-lock-keywords t))
5967 (set (make-local-variable 'mail-header-separator) "")
5968 (set (make-local-variable 'gnus-article-edit-mode) t)
5969 (easy-menu-add message-mode-field-menu message-mode-map)
5971 (setq buffer-read-only nil)
5972 (buffer-enable-undo)
5975 (defun gnus-article-edit (&optional force)
5976 "Edit the current article.
5977 This will have permanent effect only in mail groups.
5978 If FORCE is non-nil, allow editing of articles even in read-only
5981 (when (and (not force)
5982 (gnus-group-read-only-p))
5983 (error "The current newsgroup does not support article editing"))
5984 (gnus-article-date-original)
5985 (gnus-article-edit-article
5987 `(lambda (no-highlight)
5989 (gnus-summary-edit-article-done
5990 ,(or (mail-header-references gnus-current-headers) "")
5991 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
5993 (defun gnus-article-edit-article (start-func exit-func &optional quiet)
5994 "Start editing the contents of the current article buffer."
5995 (let ((winconf (current-window-configuration)))
5996 (set-buffer gnus-article-buffer)
5997 (let ((message-auto-save-directory
5998 ;; Don't associate the article buffer with a draft file.
6000 (gnus-article-edit-mode))
6001 (funcall start-func)
6002 (set-buffer-modified-p nil)
6003 (gnus-configure-windows 'edit-article)
6004 (setq gnus-article-edit-done-function exit-func)
6005 (setq gnus-prev-winconf winconf)
6007 (gnus-message 6 "C-c C-c to end edits"))))
6009 (defun gnus-article-edit-done (&optional arg)
6010 "Update the article edits and exit."
6012 (let ((func gnus-article-edit-done-function)
6013 (buf (current-buffer))
6014 (start (window-start))
6016 (winconf gnus-prev-winconf))
6017 (widen) ;; Widen it in case that users narrowed the buffer.
6020 ;; The cache and backlog have to be flushed somewhat.
6021 (when gnus-keep-backlog
6022 (gnus-backlog-remove-article
6023 (car gnus-article-current) (cdr gnus-article-current)))
6024 ;; Flush original article as well.
6026 (when (get-buffer gnus-original-article-buffer)
6027 (set-buffer gnus-original-article-buffer)
6028 (setq gnus-original-article nil)))
6029 (when gnus-use-cache
6030 (gnus-cache-update-article
6031 (car gnus-article-current) (cdr gnus-article-current)))
6032 ;; We remove all text props from the article buffer.
6033 (kill-all-local-variables)
6034 (set-text-properties (point-min) (point-max) nil)
6036 (set-window-configuration winconf)
6038 (set-window-start (get-buffer-window buf) start)
6039 (set-window-point (get-buffer-window buf) (point)))
6040 (gnus-summary-show-article))
6042 (defun gnus-article-edit-exit ()
6043 "Exit the article editing without updating."
6045 (when (or (not (buffer-modified-p))
6046 (yes-or-no-p "Article modified; kill anyway? "))
6047 (let ((curbuf (current-buffer))
6049 (window-start (window-start)))
6051 (if (gnus-buffer-live-p gnus-original-article-buffer)
6052 (insert-buffer-substring gnus-original-article-buffer))
6053 (let ((winconf gnus-prev-winconf))
6054 (kill-all-local-variables)
6056 (set-window-configuration winconf)
6057 ;; Tippy-toe some to make sure that point remains where it was.
6058 (save-current-buffer
6060 (set-window-start (get-buffer-window (current-buffer)) window-start)
6062 (gnus-summary-show-article)))
6064 (defun gnus-article-edit-full-stops ()
6065 "Interactively repair spacing at end of sentences."
6068 (goto-char (point-min))
6069 (search-forward-regexp "^$" nil t)
6070 (let ((case-fold-search nil))
6071 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
6074 ;;; Article highlights
6077 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
6079 ;;; Internal Variables:
6081 (defcustom gnus-button-url-regexp
6082 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
6083 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
6084 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
6085 "Regular expression that matches URLs."
6086 :group 'gnus-article-buttons
6089 (defcustom gnus-button-valid-fqdn-regexp
6090 message-valid-fqdn-regexp
6091 "Regular expression that matches a valid FQDN."
6093 :group 'gnus-article-buttons
6096 ;; Regexp suggested by Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
6097 (defcustom gnus-button-valid-localpart-regexp
6098 "[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t ]*"
6099 "Regular expression that matches a localpart of mail addresses or MIDs."
6101 :group 'gnus-article-buttons
6104 (defcustom gnus-button-man-handler 'manual-entry
6105 "Function to use for displaying man pages.
6106 The function must take at least one argument with a string naming the
6109 :type '(choice (function-item :tag "Man" manual-entry)
6110 (function-item :tag "Woman" woman)
6111 (function :tag "Other"))
6112 :group 'gnus-article-buttons)
6114 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
6115 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
6116 If the default site is too slow, try to find a CTAN mirror, see
6117 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
6118 the variable `gnus-button-handle-ctan'."
6120 :group 'gnus-article-buttons
6121 :link '(custom-manual "(gnus)Group Parameters")
6122 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
6123 (const "http://tug.ctan.org/tex-archive/")
6124 (const "http://www.dante.de/CTAN/")
6125 (string :tag "Other")))
6127 (defcustom gnus-button-ctan-handler 'browse-url
6128 "Function to use for displaying CTAN links.
6129 The function must take one argument, the string naming the URL."
6131 :type '(choice (function-item :tag "Browse Url" browse-url)
6132 (function :tag "Other"))
6133 :group 'gnus-article-buttons)
6135 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
6136 "Bogus strings removed from CTAN URLs."
6138 :group 'gnus-article-buttons
6139 :type '(choice (const "^/?tex-archive/\\|/")
6140 (regexp :tag "Other")))
6142 (defcustom gnus-button-ctan-directory-regexp
6144 (list "archive-tools" "biblio" "bibliography" "digests" "documentation"
6145 "dviware" "fonts" "graphics" "help" "indexing" "info" "language"
6146 "languages" "macros" "nonfree" "obsolete" "support" "systems"
6147 "tds" "tools" "usergrps" "web") t)
6148 "Regular expression for ctan directories.
6149 It should match all directories in the top level of `gnus-ctan-url'."
6151 :group 'gnus-article-buttons
6154 (defcustom gnus-button-mid-or-mail-regexp
6155 (concat "\\b\\(<?" gnus-button-valid-localpart-regexp "@"
6156 gnus-button-valid-fqdn-regexp
6158 "Regular expression that matches a message ID or a mail address."
6160 :group 'gnus-article-buttons
6163 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
6164 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
6165 Strings like this can be either a message ID or a mail address. If it is one
6166 of the symbols `mid' or `mail', Gnus will always assume that the string is a
6167 message ID or a mail address, respectively. If this variable is set to the
6168 symbol `ask', always query the user what do do. If it is a function, this
6169 function will be called with the string as it's only argument. The function
6170 must return `mid', `mail', `invalid' or `ask'."
6172 :group 'gnus-article-buttons
6173 :type '(choice (function-item :tag "Heuristic function"
6174 gnus-button-mid-or-mail-heuristic)
6179 (defcustom gnus-button-mid-or-mail-heuristic-alist
6180 '((-10.0 . ".+\\$.+@")
6183 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
6184 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
6185 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
6186 (-1.0 . "^[^a-z]+@")
6188 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
6189 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
6190 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
6191 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
6194 (-1.0 . "^[0-9][0-9]")
6196 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
6197 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6198 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
6199 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6201 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
6202 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
6205 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
6207 ;; compensation for TDMA dated mail addresses:
6208 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
6210 (-20.0 . "\\.fsf@") ;; Gnus
6213 (-20.0 . "_-_") ;; Subject change in thread
6215 (-20.0 . "\\.ln@") ;; leafnode
6216 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
6217 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
6219 ;; (5.0 . "") ;; $local_part_len <= 7
6220 (10.0 . "^[^0-9]+@")
6221 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
6222 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
6225 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
6227 (0.5 . "^[A-Z][a-z]")
6228 (0.5 . "^[A-Z][a-z][a-z]")
6229 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
6230 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
6231 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
6233 A negative RATE indicates a message IDs, whereas a positive indicates a mail
6234 address. The REGEXP is processed with `case-fold-search' set to nil."
6236 :group 'gnus-article-buttons
6237 :type '(repeat (cons (number :tag "Rate")
6238 (regexp :tag "Regexp"))))
6240 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
6241 "Guess whether MID-OR-MAIL is a message ID or a mail address.
6242 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
6243 address, `ask' if unsure and `invalid' if the string is invalid."
6244 (let ((case-fold-search nil)
6245 (list gnus-button-mid-or-mail-heuristic-alist)
6246 (result 0) rate regexp lpartlen elem)
6248 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
6249 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
6250 ;; Certain special cases...
6253 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
6254 "^[0-9]+\\.[0-9]+@compuserve\\|"
6255 "@public\\.gmane\\.org")
6257 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
6258 (setq result 'mail))
6259 (when (string-match "@.*@\\| " mid-or-mail)
6260 (gnus-message 8 "`%s' is invalid." mid-or-mail)
6261 (setq result 'invalid))
6262 ;; Nothing more to do, if result is not a number here...
6263 (when (numberp result)
6265 (setq elem (car list)
6269 (when (string-match regexp mid-or-mail)
6270 (setq result (+ result rate))
6272 9 "`%s' matched `%s', rate `%s', result `%s'."
6273 mid-or-mail regexp rate result)))
6274 (when (<= lpartlen 7)
6275 (setq result (+ result 5.0))
6276 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
6277 mid-or-mail result))
6278 (when (>= lpartlen 12)
6279 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
6281 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
6282 ;; Long local part should contain realname if e-mail address,
6283 ;; too many digits: message-id.
6284 ;; $score -= 5.0 + 0.1 * $local_part_len;
6285 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
6286 (setq result (+ result rate))
6288 9 "Many digits in `%s', rate `%s', result `%s'."
6289 mid-or-mail rate result))
6290 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
6292 ;; Too few vowels [^aeiouy]{4,}.*\@
6293 (setq result (+ result -5.0))
6295 9 "Few vowels in `%s', rate `%s', result `%s'."
6296 mid-or-mail -5.0 result))
6298 (setq result (+ result 5.0))
6300 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
6301 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
6302 ;; Maybe we should make this a customizable alist: (condition . 'result)
6304 ((symbolp result) result)
6305 ;; Now convert number into proper results:
6306 ((< result -10.0) 'mid)
6307 ((> result 10.0) 'mail)
6310 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
6311 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
6312 (url-mid (concat "news" ":" mid-or-mail))
6313 (url-mailto (concat "mailto" ":" mid-or-mail)))
6314 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
6315 (when (fboundp pref)
6317 ;; get rid of surrounding angles...
6319 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
6320 (if (or (eq 'mid guessed) (eq 'mail guessed))
6324 (save-window-excursion
6325 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
6328 (cond ((eq pref 'mid)
6329 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
6330 (gnus-button-handle-news url-mid))
6332 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
6333 (gnus-url-mailto url-mailto))
6334 (t (gnus-message 3 "Invalid string.")))))
6336 (defun gnus-button-handle-custom (fun arg)
6337 "Call function FUN on argument ARG.
6338 Both FUN and ARG are supposed to be strings. ARG will be passed
6339 as a symbol to FUN."
6340 (funcall (intern fun) (intern arg)))
6342 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
6344 ;; FIXME: Maybe we should merge some of the functions that do quite similar
6347 (defun gnus-button-handle-describe-function (url)
6348 "Call `describe-function' when pushing the corresponding URL button."
6351 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6353 (defun gnus-button-handle-describe-variable (url)
6354 "Call `describe-variable' when pushing the corresponding URL button."
6357 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6359 (defun gnus-button-handle-symbol (url)
6360 "Display help on variable or function.
6361 Calls `describe-variable' or `describe-function'."
6362 (let ((sym (intern url)))
6364 ((fboundp sym) (describe-function sym))
6365 ((boundp sym) (describe-variable sym))
6366 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
6368 (defun gnus-button-handle-describe-key (url)
6369 "Call `describe-key' when pushing the corresponding URL button."
6371 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
6372 (keys (ignore-errors (eval `(kbd ,key-string)))))
6375 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
6377 (defun gnus-button-handle-apropos (url)
6378 "Call `apropos' when pushing the corresponding URL button."
6379 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6381 (defun gnus-button-handle-apropos-command (url)
6382 "Call `apropos' when pushing the corresponding URL button."
6384 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6386 (defun gnus-button-handle-apropos-variable (url)
6387 "Call `apropos' when pushing the corresponding URL button."
6389 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
6390 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6392 (defun gnus-button-handle-apropos-documentation (url)
6393 "Call `apropos' when pushing the corresponding URL button."
6395 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
6396 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6398 (defun gnus-button-handle-library (url)
6399 "Call `locate-library' when pushing the corresponding URL button."
6400 (gnus-message 9 "url=`%s'" url)
6401 (let* ((lib (locate-library url))
6402 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
6404 (gnus-message 1 "Cannot locale library `%s'." url)
6405 (find-file-read-only file))))
6407 (defun gnus-button-handle-ctan (url)
6408 "Call `browse-url' when pushing a CTAN URL button."
6410 gnus-button-ctan-handler
6413 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
6415 (defcustom gnus-button-tex-level 5
6416 "*Integer that says how many TeX-related buttons Gnus will show.
6417 The higher the number, the more buttons will appear and the more false
6418 positives are possible. Note that you can set this variable local to
6419 specific groups. Setting it higher in TeX groups is probably a good idea.
6420 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6421 how to set variables in specific groups."
6423 :group 'gnus-article-buttons
6424 :link '(custom-manual "(gnus)Group Parameters")
6427 (defcustom gnus-button-man-level 5
6428 "*Integer that says how many man-related buttons Gnus will show.
6429 The higher the number, the more buttons will appear and the more false
6430 positives are possible. Note that you can set this variable local to
6431 specific groups. Setting it higher in Unix groups is probably a good idea.
6432 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6433 how to set variables in specific groups."
6435 :group 'gnus-article-buttons
6436 :link '(custom-manual "(gnus)Group Parameters")
6439 (defcustom gnus-button-emacs-level 5
6440 "*Integer that says how many emacs-related buttons Gnus will show.
6441 The higher the number, the more buttons will appear and the more false
6442 positives are possible. Note that you can set this variable local to
6443 specific groups. Setting it higher in Emacs or Gnus related groups is
6444 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
6445 `gnus-parameters' on how to set variables in specific groups."
6447 :group 'gnus-article-buttons
6448 :link '(custom-manual "(gnus)Group Parameters")
6451 (defcustom gnus-button-message-level 5
6452 "*Integer that says how many buttons for news or mail messages will appear.
6453 The higher the number, the more buttons will appear and the more false
6454 positives are possible."
6455 ;; mail addresses, MIDs, URLs for news, ...
6457 :group 'gnus-article-buttons
6460 (defcustom gnus-button-browse-level 5
6461 "*Integer that says how many buttons for browsing will appear.
6462 The higher the number, the more buttons will appear and the more false
6463 positives are possible."
6464 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
6466 :group 'gnus-article-buttons
6469 (defcustom gnus-button-alist
6470 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
6471 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
6472 ((concat "\\b\\(nntp\\|news\\):\\("
6473 gnus-button-valid-localpart-regexp "@[a-z0-9.-]+[a-z]\\)")
6474 0 t gnus-button-handle-news 2)
6475 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
6476 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
6477 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
6478 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
6479 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
6480 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
6481 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
6482 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
6483 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
6484 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
6485 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
6486 ;; RFC 2368 (The mailto URL scheme)
6487 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6488 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6489 ("\\bmailto:\\([^ \n\t]+\\)"
6490 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6492 ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\("
6493 gnus-button-ctan-directory-regexp
6494 "[^][>)!;:,'\n\t ]+\\)")
6495 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
6496 ((concat "\\btex-archive/\\("
6497 gnus-button-ctan-directory-regexp
6498 "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
6499 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
6502 gnus-button-ctan-directory-regexp
6503 "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
6504 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
6505 ;; This is info (home-grown style) <info://foo/bar+baz>
6506 ("\\binfo://\\([^'\">\n\t ]+\\)"
6507 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
6508 ;; Info GNOME style <info:foo#bar_baz>
6509 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
6510 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
6511 ;; Info KDE style <info:(foo)bar baz>
6512 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
6513 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
6514 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
6515 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
6516 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
6517 ;; Info links like `C-h i d m CC Mode RET'
6518 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
6520 ("M-x[ \t\n]\\(customize-[^ ]+\\)[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
6521 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1 2)
6522 ;; Emacs help commands
6523 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6524 ;; regexp doesn't match arguments containing ` '.
6525 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
6526 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6527 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
6528 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6529 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
6530 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6531 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
6532 ;; The following entries may lead to many false positives so don't enable
6533 ;; them by default (use a high button level).
6534 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>[^.?]"
6535 ;; Exclude [.?] for URLs in gmane.emacs.cvs
6536 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6537 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
6538 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6539 ("`\\([a-z][a-z0-9]+-[a-z]+-[-a-z]+\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
6540 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
6541 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
6542 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
6543 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
6544 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
6545 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6546 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
6547 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6548 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
6549 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6550 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
6551 ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
6552 ;; Unlike the other regexps we really have to require quoting
6553 ;; here to determine where it ends.
6554 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
6555 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
6556 ("<URL: *\\([^<>]*\\)>"
6557 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6558 ;; RFC 2396 (2.4.3., delims) ...
6559 ("\"URL: *\\([^\"]*\\)\""
6560 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6561 ;; RFC 2396 (2.4.3., delims) ...
6562 ("\"URL: *\\([^\"]*\\)\""
6563 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6565 (gnus-button-url-regexp
6566 0 (>= gnus-button-browse-level 0) browse-url 0)
6568 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
6569 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
6570 gnus-button-handle-man 1)
6571 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
6572 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
6573 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
6574 gnus-button-handle-man 1)
6575 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
6576 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
6577 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W"
6578 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
6579 ;; MID or mail: To avoid too many false positives we don't try to catch
6580 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
6581 ;; at least one dot. TLD must contain two or three chars or be a know TLD
6582 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
6583 ;; so that non-ambiguous entries (see above) match first.
6584 (gnus-button-mid-or-mail-regexp
6585 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
6586 "*Alist of regexps matching buttons in article bodies.
6588 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
6589 REGEXP: is the string (case insensitive) matching text around the button (can
6590 also be Lisp expression evaluating to a string),
6591 BUTTON: is the number of the regexp grouping actually matching the button,
6592 FORM: is a Lisp expression which must eval to true for the button to
6594 CALLBACK: is the function to call when the user push this button, and each
6595 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
6597 CALLBACK can also be a variable, in that case the value of that
6598 variable it the real callback function."
6599 :group 'gnus-article-buttons
6600 :type '(repeat (list (choice regexp variable sexp)
6601 (integer :tag "Button")
6603 (function :tag "Callback")
6606 (integer :tag "Regexp group")))))
6608 (defcustom gnus-header-button-alist
6609 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
6610 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
6611 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
6612 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
6613 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
6614 0 (>= gnus-button-message-level 0) gnus-msg-mail 0)
6615 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
6616 0 (>= gnus-button-browse-level 0) browse-url 0)
6617 ("^Subject:" gnus-button-url-regexp
6618 0 (>= gnus-button-browse-level 0) browse-url 0)
6619 ("^[^:]+:" gnus-button-url-regexp
6620 0 (>= gnus-button-browse-level 0) browse-url 0)
6621 ("^OpenPGP:.*url=" gnus-button-url-regexp
6622 0 (>= gnus-button-browse-level 0) gnus-button-openpgp 0)
6623 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6624 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6625 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
6626 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
6627 "*Alist of headers and regexps to match buttons in article heads.
6629 This alist is very similar to `gnus-button-alist', except that each
6630 alist has an additional HEADER element first in each entry:
6632 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
6634 HEADER is a regexp to match a header. For a fuller explanation, see
6635 `gnus-button-alist'."
6636 :group 'gnus-article-buttons
6637 :group 'gnus-article-headers
6638 :type '(repeat (list (regexp :tag "Header")
6639 (choice regexp variable)
6640 (integer :tag "Button")
6642 (function :tag "Callback")
6645 (integer :tag "Regexp group")))))
6649 (defun gnus-article-push-button (event)
6650 "Check text under the mouse pointer for a callback function.
6651 If the text under the mouse pointer has a `gnus-callback' property,
6652 call it with the value of the `gnus-data' text property."
6654 (set-buffer (window-buffer (posn-window (event-start event))))
6655 (let* ((pos (posn-point (event-start event)))
6656 (data (get-text-property pos 'gnus-data))
6657 (fun (get-text-property pos 'gnus-callback)))
6660 (funcall fun data))))
6662 (defun gnus-article-press-button ()
6663 "Check text at point for a callback function.
6664 If the text at point has a `gnus-callback' property,
6665 call it with the value of the `gnus-data' text property."
6667 (let ((data (get-text-property (point) 'gnus-data))
6668 (fun (get-text-property (point) 'gnus-callback)))
6670 (funcall fun data))))
6672 (defun gnus-article-highlight (&optional force)
6673 "Highlight current article.
6674 This function calls `gnus-article-highlight-headers',
6675 `gnus-article-highlight-citation',
6676 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6677 do the highlighting. See the documentation for those functions."
6678 (interactive (list 'force))
6679 (gnus-article-highlight-headers)
6680 (gnus-article-highlight-citation force)
6681 (gnus-article-highlight-signature)
6682 (gnus-article-add-buttons force)
6683 (gnus-article-add-buttons-to-head))
6685 (defun gnus-article-highlight-some (&optional force)
6686 "Highlight current article.
6687 This function calls `gnus-article-highlight-headers',
6688 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6689 do the highlighting. See the documentation for those functions."
6690 (interactive (list 'force))
6691 (gnus-article-highlight-headers)
6692 (gnus-article-highlight-signature)
6693 (gnus-article-add-buttons))
6695 (defun gnus-article-highlight-headers ()
6696 "Highlight article headers as specified by `gnus-header-face-alist'."
6698 (gnus-with-article-headers
6699 (let (regexp header-face field-face from hpoints fpoints)
6700 (dolist (entry gnus-header-face-alist)
6701 (goto-char (point-min))
6702 (setq regexp (concat "^\\("
6703 (if (string-equal "" (nth 0 entry))
6707 header-face (nth 1 entry)
6708 field-face (nth 2 entry))
6709 (while (and (re-search-forward regexp nil t)
6713 (unless (search-forward ":" nil t)
6715 (when (and header-face
6716 (not (memq (point) hpoints)))
6717 (push (point) hpoints)
6718 (gnus-put-text-property from (point) 'face header-face))
6719 (when (and field-face
6720 (not (memq (setq from (point)) fpoints)))
6722 (if (re-search-forward "^[^ \t]" nil t)
6724 (goto-char (point-max)))
6725 (gnus-put-text-property from (point) 'face field-face)))))))
6727 (defun gnus-article-highlight-signature ()
6728 "Highlight the signature in an article.
6729 It does this by highlighting everything after
6730 `gnus-signature-separator' using the face `gnus-signature'."
6732 (gnus-with-article-buffer
6733 (let ((inhibit-point-motion-hooks t))
6735 (when (and gnus-signature-face
6736 (gnus-article-narrow-to-signature))
6737 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
6738 'face gnus-signature-face)
6740 (gnus-article-search-signature)
6741 (let ((start (match-beginning 0))
6742 (end (set-marker (make-marker) (1+ (match-end 0)))))
6743 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
6746 (defun gnus-button-in-region-p (b e prop)
6747 "Say whether PROP exists in the region."
6748 (text-property-not-all b e prop nil))
6750 (defun gnus-article-add-buttons (&optional force)
6751 "Find external references in the article and make buttons of them.
6752 \"External references\" are things like Message-IDs and URLs, as
6753 specified by `gnus-button-alist'."
6754 (interactive (list 'force))
6755 (gnus-with-article-buffer
6756 (let ((inhibit-point-motion-hooks t)
6757 (case-fold-search t)
6758 (alist gnus-button-alist)
6760 ;; Remove all old markers.
6761 (let (marker entry new-list)
6762 (while (setq marker (pop gnus-button-marker-list))
6763 (if (or (< marker (point-min)) (>= marker (point-max)))
6764 (push marker new-list)
6766 (when (setq entry (gnus-button-entry))
6767 (put-text-property (match-beginning (nth 1 entry))
6768 (match-end (nth 1 entry))
6769 'gnus-callback nil))
6770 (set-marker marker nil)))
6771 (setq gnus-button-marker-list new-list))
6772 ;; We skip the headers.
6775 (while (setq entry (pop alist))
6776 (setq regexp (eval (car entry)))
6778 (while (re-search-forward regexp nil t)
6779 (let* ((start (and entry (match-beginning (nth 1 entry))))
6780 (end (and entry (match-end (nth 1 entry))))
6781 (from (match-beginning 0)))
6782 (when (and (or (eq t (nth 2 entry))
6783 (eval (nth 2 entry)))
6784 (not (gnus-button-in-region-p
6785 start end 'gnus-callback)))
6786 ;; That optional form returned non-nil, so we add the
6788 (gnus-article-add-button
6789 start end 'gnus-button-push
6790 (car (push (set-marker (make-marker) from)
6791 gnus-button-marker-list))))))))))
6793 ;; Add buttons to the head of an article.
6794 (defun gnus-article-add-buttons-to-head ()
6795 "Add buttons to the head of the article."
6797 (gnus-with-article-headers
6799 (dolist (entry gnus-header-button-alist)
6800 ;; Each alist entry.
6801 (goto-char (point-min))
6802 (while (re-search-forward (car entry) nil t)
6803 ;; Each header matching the entry.
6804 (setq beg (match-beginning 0))
6805 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
6806 (match-beginning 0))
6809 (while (re-search-forward (eval (nth 1 entry)) end t)
6810 ;; Each match within a header.
6811 (let* ((entry (cdr entry))
6812 (start (match-beginning (nth 1 entry)))
6813 (end (match-end (nth 1 entry)))
6814 (form (nth 2 entry)))
6815 (goto-char (match-end 0))
6817 (gnus-article-add-button
6818 start end (nth 3 entry)
6819 (buffer-substring (match-beginning (nth 4 entry))
6820 (match-end (nth 4 entry)))))))
6821 (goto-char end))))))
6823 ;;; External functions:
6825 (defun gnus-article-add-button (from to fun &optional data)
6826 "Create a button between FROM and TO with callback FUN and data DATA."
6827 (when gnus-article-button-face
6828 (gnus-overlay-put (gnus-make-overlay from to)
6829 'face gnus-article-button-face))
6830 (gnus-add-text-properties
6832 (nconc (and gnus-article-mouse-face
6833 (list gnus-mouse-face-prop gnus-article-mouse-face))
6834 (list 'gnus-callback fun)
6835 (and data (list 'gnus-data data))))
6836 (widget-convert-button 'link from to :action 'gnus-widget-press-button
6837 :button-keymap gnus-widget-button-keymap))
6839 ;;; Internal functions:
6841 (defun gnus-article-set-globals ()
6842 (with-current-buffer gnus-summary-buffer
6843 (gnus-set-global-variables)))
6845 (defun gnus-signature-toggle (end)
6846 (gnus-with-article-buffer
6847 (let ((inhibit-point-motion-hooks t))
6848 (if (text-property-any end (point-max) 'article-type 'signature)
6850 (gnus-delete-wash-type 'signature)
6851 (gnus-remove-text-properties-when
6852 'article-type 'signature end (point-max)
6853 (cons 'article-type (cons 'signature
6854 gnus-hidden-properties))))
6855 (gnus-add-wash-type 'signature)
6856 (gnus-add-text-properties-when
6857 'article-type nil end (point-max)
6858 (cons 'article-type (cons 'signature
6859 gnus-hidden-properties)))))
6860 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
6861 (gnus-set-mode-line 'article))))
6863 (defun gnus-button-entry ()
6864 ;; Return the first entry in `gnus-button-alist' matching this place.
6865 (let ((alist gnus-button-alist)
6868 (setq entry (pop alist))
6869 (if (looking-at (eval (car entry)))
6874 (defun gnus-button-push (marker)
6875 ;; Push button starting at MARKER.
6878 (let* ((entry (gnus-button-entry))
6879 (inhibit-point-motion-hooks t)
6881 (args (mapcar (lambda (group)
6882 (let ((string (match-string group)))
6883 (set-text-properties
6884 0 (length string) nil string)
6891 (fboundp (symbol-value fun)))
6892 (apply (symbol-value fun) args))
6894 (gnus-message 1 "You must define `%S' to use this button"
6895 (cons fun args)))))))
6897 (defun gnus-parse-news-url (url)
6898 (let (scheme server port group message-id articles)
6901 (goto-char (point-min))
6902 (when (looking-at "\\([A-Za-z]+\\):")
6903 (setq scheme (match-string 1))
6904 (goto-char (match-end 0)))
6905 (when (looking-at "//\\([^:/]+\\)\\(:?\\)\\([0-9]+\\)?/")
6906 (setq server (match-string 1))
6907 (setq port (if (stringp (match-string 3))
6908 (string-to-number (match-string 3))
6910 (goto-char (match-end 0)))
6913 ((looking-at "\\(.*@.*\\)")
6914 (setq message-id (match-string 1)))
6915 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
6916 (setq group (match-string 1)
6917 articles (split-string (match-string 2) "-")))
6918 ((looking-at "\\([^/]+\\)/?")
6919 (setq group (match-string 1)))
6921 (error "Unknown news URL syntax"))))
6922 (list scheme server port group message-id articles)))
6924 (defun gnus-button-handle-news (url)
6926 (destructuring-bind (scheme server port group message-id articles)
6927 (gnus-parse-news-url url)
6931 (set-buffer gnus-summary-buffer)
6933 (let ((gnus-refer-article-method
6934 (nconc (list (list 'nntp server))
6935 gnus-refer-article-method))
6936 (nntp-port-number (or port "nntp")))
6937 (gnus-message 7 "Fetching %s with %s"
6938 message-id gnus-refer-article-method)
6939 (gnus-summary-refer-article message-id))
6940 (gnus-summary-refer-article message-id))))
6942 (gnus-button-fetch-group url)))))
6944 (defun gnus-button-handle-man (url)
6946 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
6947 (when (eq gnus-button-man-handler 'woman)
6948 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
6949 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
6950 (funcall gnus-button-man-handler url))
6952 (defun gnus-button-handle-info-url (url)
6953 "Fetch an info URL."
6954 (setq url (mm-subst-char-in-string ?+ ?\ url))
6956 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
6957 (gnus-info-find-node
6958 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
6960 ")" (gnus-url-unhex-string (match-string 2 url)))))
6961 ((string-match "([^)\"]+)[^\"]+" url)
6963 (gnus-replace-in-string
6964 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
6965 (gnus-info-find-node url))
6966 (t (error "Can't parse %s" url))))
6968 (defun gnus-button-handle-info-url-gnome (url)
6969 "Fetch GNOME style info URL."
6970 (setq url (mm-subst-char-in-string ?_ ?\ url))
6971 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
6972 (gnus-info-find-node
6974 (gnus-url-unhex-string
6975 (match-string 1 url))
6977 (or (gnus-url-unhex-string
6978 (match-string 2 url))
6980 (error "Can't parse %s" url)))
6982 (defun gnus-button-handle-info-url-kde (url)
6983 "Fetch KDE style info URL."
6984 (gnus-info-find-node (gnus-url-unhex-string url)))
6986 (defun gnus-button-handle-info-keystrokes (url)
6987 "Call `info' when pushing the corresponding URL button."
6988 ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
6993 (defun gnus-button-openpgp (url)
6994 "Retrieve and add an OpenPGP key given URL from an OpenPGP header."
6996 (mm-url-insert-file-contents-external url)
6997 (pgg-snarf-keys-region (point-min) (point-max))
6998 (pgg-display-output-buffer nil nil nil)))
7000 (defun gnus-button-message-id (message-id)
7002 (with-current-buffer gnus-summary-buffer
7003 (gnus-summary-refer-article message-id)))
7005 (defun gnus-button-fetch-group (address)
7006 "Fetch GROUP specified by ADDRESS."
7007 (if (not (string-match "[:/]" address))
7008 ;; This is just a simple group url.
7009 (gnus-group-read-ephemeral-group address gnus-select-method)
7012 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
7014 (error "Can't parse %s" address)
7015 (gnus-group-read-ephemeral-group
7016 (match-string 4 address)
7017 `(nntp ,(match-string 1 address)
7018 (nntp-address ,(match-string 1 address))
7019 (nntp-port-number ,(if (match-end 3)
7020 (match-string 3 address)
7023 (and (match-end 6) (list (string-to-number (match-string 6 address))))))))
7025 (defun gnus-url-parse-query-string (query &optional downcase)
7026 (let (retval pairs cur key val)
7027 (setq pairs (split-string query "&"))
7029 (setq cur (car pairs)
7031 (if (not (string-match "=" cur))
7033 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
7034 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
7036 (setq key (downcase key)))
7037 (setq cur (assoc key retval))
7039 (setcdr cur (cons val (cdr cur)))
7040 (setq retval (cons (list key val) retval)))))
7043 (defun gnus-url-mailto (url)
7044 ;; Send mail to someone
7045 (when (string-match "mailto:/*\\(.*\\)" url)
7046 (setq url (substring url (match-beginning 1) nil)))
7047 (let (to args subject func)
7048 (setq args (gnus-url-parse-query-string
7049 (if (string-match "^\\?" url)
7051 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
7052 (concat "to=" (match-string 1 url) "&"
7053 (match-string 2 url))
7054 (concat "to=" url)))
7056 subject (cdr-safe (assoc "subject" args)))
7059 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
7062 (message-position-on-field (caar args)))
7063 (insert (gnus-replace-in-string
7064 (mapconcat 'identity (reverse (cdar args)) ", ")
7066 (setq args (cdr args)))
7069 (message-goto-subject))))
7071 (defun gnus-button-embedded-url (address)
7072 "Activate ADDRESS with `browse-url'."
7073 (browse-url (gnus-strip-whitespace address)))
7075 ;;; Next/prev buttons in the article buffer.
7077 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
7078 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
7080 (defvar gnus-prev-page-map
7081 (let ((map (make-sparse-keymap)))
7082 (define-key map gnus-mouse-2 'gnus-button-prev-page)
7083 (define-key map "\r" 'gnus-button-prev-page)
7086 (defvar gnus-next-page-map
7087 (let ((map (make-sparse-keymap)))
7088 (unless (>= emacs-major-version 21)
7089 ;; XEmacs doesn't care.
7090 (set-keymap-parent map gnus-article-mode-map))
7091 (define-key map gnus-mouse-2 'gnus-button-next-page)
7092 (define-key map "\r" 'gnus-button-next-page)
7095 (defun gnus-insert-prev-page-button ()
7097 (inhibit-read-only t))
7099 gnus-prev-page-line-format nil
7100 `(keymap ,gnus-prev-page-map
7102 gnus-callback gnus-article-button-prev-page
7103 article-type annotation))
7104 (widget-convert-button
7106 ;; Exclude a newline.
7109 :action 'gnus-button-prev-page
7110 :button-keymap gnus-prev-page-map)))
7112 (defun gnus-button-next-page (&optional args more-args)
7113 "Go to the next page."
7115 (let ((win (selected-window)))
7116 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7117 (gnus-article-next-page)
7118 (select-window win)))
7120 (defun gnus-button-prev-page (&optional args more-args)
7121 "Go to the prev page."
7123 (let ((win (selected-window)))
7124 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7125 (gnus-article-prev-page)
7126 (select-window win)))
7128 (defun gnus-insert-next-page-button ()
7130 (inhibit-read-only t))
7131 (gnus-eval-format gnus-next-page-line-format nil
7132 `(keymap ,gnus-next-page-map
7134 gnus-callback gnus-article-button-next-page
7135 article-type annotation))
7136 (widget-convert-button
7138 ;; Exclude a newline.
7141 :action 'gnus-button-next-page
7142 :button-keymap gnus-next-page-map)))
7144 (defun gnus-article-button-next-page (arg)
7145 "Go to the next page."
7147 (let ((win (selected-window)))
7148 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7149 (gnus-article-next-page)
7150 (select-window win)))
7152 (defun gnus-article-button-prev-page (arg)
7153 "Go to the prev page."
7155 (let ((win (selected-window)))
7156 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7157 (gnus-article-prev-page)
7158 (select-window win)))
7160 (defvar gnus-decode-header-methods
7161 '(mail-decode-encoded-word-region)
7162 "List of methods used to decode headers.
7164 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
7165 is FUNCTION, FUNCTION will be applied to all newsgroups. If item is a
7166 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
7167 whose names match REGEXP.
7170 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
7171 mail-decode-encoded-word-region
7172 (\"chinese\" . rfc1843-decode-region))
7175 (defvar gnus-decode-header-methods-cache nil)
7177 (defun gnus-multi-decode-header (start end)
7178 "Apply the functions from `gnus-encoded-word-methods' that match."
7179 (unless (and gnus-decode-header-methods-cache
7180 (eq gnus-newsgroup-name
7181 (car gnus-decode-header-methods-cache)))
7182 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
7185 (nconc gnus-decode-header-methods-cache (list x))
7186 (if (and gnus-newsgroup-name
7187 (string-match (car x) gnus-newsgroup-name))
7188 (nconc gnus-decode-header-methods-cache
7190 gnus-decode-header-methods))
7191 (let ((xlist gnus-decode-header-methods-cache))
7194 (narrow-to-region start end)
7196 (funcall (pop xlist) (point-min) (point-max))))))
7199 ;;; Treatment top-level handling.
7202 (defun gnus-treat-article (condition &optional part-number total-parts type)
7203 (let ((length (- (point-max) (point-min)))
7204 (alist gnus-treatment-function-alist)
7205 (article-goto-body-goes-to-point-min-p t)
7209 (let ((list gnus-article-treat-types))
7211 (when (string-match (pop list) type)
7212 (throw 'found t)))))))
7213 (highlightp (gnus-visual-p 'article-highlight 'highlight))
7215 (gnus-run-hooks 'gnus-part-display-hook)
7216 (dolist (elem alist)
7219 (when (gnus-buffer-live-p gnus-summary-buffer)
7220 (set-buffer gnus-summary-buffer))
7221 (symbol-value (car elem))))
7222 (when (and (or (consp val)
7224 (gnus-treat-predicate val)
7225 (or (not (get (car elem) 'highlight))
7228 (funcall (cadr elem)))))))
7230 ;; Dynamic variables.
7232 (defvar part-number)
7233 (defvar total-parts)
7238 (defun gnus-treat-predicate (val)
7245 (stringp (car val)))
7246 (apply 'gnus-or (mapcar `(lambda (s)
7247 (string-match s ,(or gnus-newsgroup-name "")))
7250 (let ((pred (pop val)))
7253 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
7255 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
7257 (not (gnus-treat-predicate (car val))))
7259 (equal (car val) type))
7261 (error "%S is not a valid predicate" pred)))))
7269 (eq part-number total-parts))
7273 (error "%S is not a valid value" val))))
7275 (defun gnus-article-encrypt-body (protocol &optional n)
7276 "Encrypt the article body."
7279 (or gnus-article-encrypt-protocol
7280 (completing-read "Encrypt protocol: "
7281 gnus-article-encrypt-protocol-alist
7283 current-prefix-arg))
7284 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
7286 (error "Can't find the encrypt protocol %s" protocol))
7287 (if (member gnus-newsgroup-name '("nndraft:delayed"
7290 (error "Can't encrypt the article in group %s"
7291 gnus-newsgroup-name))
7292 (gnus-summary-iterate n
7294 (set-buffer gnus-summary-buffer)
7295 (let ((mail-parse-charset gnus-newsgroup-charset)
7296 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
7297 (summary-buffer gnus-summary-buffer)
7299 (gnus-set-global-variables)
7300 (when (gnus-group-read-only-p)
7301 (error "The current newsgroup does not support article encrypt"))
7302 (gnus-summary-show-article t)
7304 (or (mail-header-references gnus-current-headers) ""))
7305 (set-buffer gnus-article-buffer)
7306 (let* ((inhibit-read-only t)
7308 (mapcar (lambda (field)
7309 (and (save-restriction
7310 (message-narrow-to-head)
7311 (goto-char (point-min))
7312 (search-forward field nil t))
7314 (message-narrow-to-field)
7316 (delete-region (point-min) (point-max))
7318 '("Content-Type:" "Content-Transfer-Encoding:"
7319 "Content-Disposition:"))))
7320 (message-narrow-to-head)
7321 (message-remove-header "MIME-Version")
7322 (goto-char (point-max))
7323 (setq point (point))
7324 (insert (apply 'concat headers))
7326 (narrow-to-region point (point-max))
7327 (let ((message-options message-options))
7328 (message-options-set 'message-sender user-mail-address)
7329 (message-options-set 'message-recipients user-mail-address)
7330 (message-options-set 'message-sign-encrypt 'not)
7332 (goto-char (point-min))
7333 (insert "MIME-Version: 1.0\n")
7335 (gnus-summary-edit-article-done
7336 references nil summary-buffer t))
7337 (when gnus-keep-backlog
7338 (gnus-backlog-remove-article
7339 (car gnus-article-current) (cdr gnus-article-current)))
7341 (when (get-buffer gnus-original-article-buffer)
7342 (set-buffer gnus-original-article-buffer)
7343 (setq gnus-original-article nil)))
7344 (when gnus-use-cache
7345 (gnus-cache-update-article
7346 (car gnus-article-current) (cdr gnus-article-current))))))))
7348 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
7349 "The following specs can be used:
7350 %t The security MIME type
7353 %D Details if button is pressed")
7355 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
7356 "The following specs can be used:
7357 %t The security MIME type
7360 %D Details if button is pressed")
7362 (defvar gnus-mime-security-button-line-format-alist
7363 '((?t gnus-tmp-type ?s)
7364 (?i gnus-tmp-info ?s)
7365 (?d gnus-tmp-details ?s)
7366 (?D gnus-tmp-pressed-details ?s)))
7368 (defvar gnus-mime-security-button-commands
7369 '((gnus-article-press-button "\r" "Show Detail")
7373 (gnus-mime-security-save-part "o" "Save...")
7382 (gnus-mime-security-pipe-part "|" "Pipe To Command...")
7385 (defvar gnus-mime-security-button-map
7386 (let ((map (make-sparse-keymap)))
7387 (define-key map gnus-mouse-2 'gnus-article-push-button)
7388 (define-key map gnus-down-mouse-3 'gnus-mime-security-button-menu)
7389 (dolist (c gnus-mime-security-button-commands)
7390 (define-key map (cadr c) (car c)))
7394 gnus-mime-security-button-menu gnus-mime-security-button-map
7395 "Security button menu."
7399 (unless (eq (car c) 'undefined)
7400 (vector (caddr c) (car c) :enable t)))
7401 gnus-mime-security-button-commands))))
7403 (defun gnus-mime-security-button-menu (event prefix)
7404 "Construct a context-sensitive menu of security commands."
7405 (interactive "e\nP")
7406 (save-window-excursion
7407 (let ((pos (event-start event)))
7408 (select-window (posn-window pos))
7409 (goto-char (posn-point pos))
7410 (gnus-article-check-buffer)
7411 (popup-menu gnus-mime-security-button-menu nil prefix))))
7413 (defvar gnus-mime-security-details-buffer nil)
7415 (defvar gnus-mime-security-button-pressed nil)
7417 (defvar gnus-mime-security-show-details-inline t
7418 "If non-nil, show details in the article buffer.")
7420 (defun gnus-mime-security-verify-or-decrypt (handle)
7421 (mm-remove-parts (cdr handle))
7422 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
7423 point (inhibit-read-only t))
7425 (goto-char (car region)))
7427 (narrow-to-region (point) (point))
7428 (with-current-buffer (mm-handle-multipart-original-buffer handle)
7429 (let* ((mm-verify-option 'known)
7430 (mm-decrypt-option 'known)
7431 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
7432 (unless (eq nparts (cdr handle))
7433 (mm-destroy-parts (cdr handle))
7434 (setcdr handle nparts))))
7435 (setq point (point))
7436 (gnus-mime-display-security handle)
7437 (goto-char (point-max)))
7439 (delete-region (point) (cdr region))
7440 (set-marker (car region) nil)
7441 (set-marker (cdr region) nil))
7444 (defun gnus-mime-security-show-details (handle)
7445 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
7447 (gnus-message 5 "No details.")
7448 (if gnus-mime-security-show-details-inline
7449 (let ((gnus-mime-security-button-pressed
7450 (not (get-text-property (point) 'gnus-mime-details)))
7451 (gnus-mime-security-button-line-format
7452 (get-text-property (point) 'gnus-line-format))
7453 (inhibit-read-only t))
7455 (while (eq (get-text-property (point) 'gnus-line-format)
7456 gnus-mime-security-button-line-format)
7460 (narrow-to-region (point) (point))
7461 (gnus-insert-mime-security-button handle))
7462 (delete-region (point)
7463 (or (text-property-not-all
7466 gnus-mime-security-button-line-format)
7469 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
7470 (with-current-buffer gnus-mime-security-details-buffer
7473 (setq gnus-mime-security-details-buffer
7474 (gnus-get-buffer-create "*MIME Security Details*")))
7475 (with-current-buffer gnus-mime-security-details-buffer
7477 (goto-char (point-min)))
7478 (pop-to-buffer gnus-mime-security-details-buffer)))))
7480 (defun gnus-mime-security-press-button (handle)
7482 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7483 (gnus-mime-security-show-details handle)
7484 (gnus-mime-security-verify-or-decrypt handle))))
7486 (defun gnus-insert-mime-security-button (handle &optional displayed)
7487 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
7490 (or (nth 2 (assoc protocol mm-verify-function-alist))
7491 (nth 2 (assoc protocol mm-decrypt-function-alist))
7493 (if (equal (car handle) "multipart/signed")
7494 " Signed" " Encrypted")
7497 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7500 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
7501 gnus-tmp-pressed-details
7503 (setq gnus-tmp-details
7504 (if gnus-tmp-details
7505 (concat "\n" gnus-tmp-details)
7507 (setq gnus-tmp-pressed-details
7508 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
7513 gnus-mime-security-button-line-format
7514 gnus-mime-security-button-line-format-alist
7515 `(keymap ,gnus-mime-security-button-map
7516 gnus-callback gnus-mime-security-press-button
7517 gnus-line-format ,gnus-mime-security-button-line-format
7518 gnus-mime-details ,gnus-mime-security-button-pressed
7519 article-type annotation
7522 ;; Exclude a newline.
7525 (widget-convert-button
7528 :action 'gnus-widget-press-button
7529 :button-keymap gnus-mime-security-button-map
7531 (lambda (widget/window &optional overlay pos)
7532 ;; Needed to properly clear the message due to a bug in
7533 ;; wid-edit (XEmacs only).
7534 (when (boundp 'help-echo-owns-message)
7535 (setq help-echo-owns-message t))
7537 "%S: show detail; %S: more options"
7538 (aref gnus-mouse-2 0)
7539 (aref gnus-down-mouse-3 0))))))
7541 (defun gnus-mime-display-security (handle)
7543 (narrow-to-region (point) (point))
7544 (unless (gnus-unbuttonized-mime-type-p (car handle))
7545 (gnus-insert-mime-security-button handle))
7546 (gnus-mime-display-part (cadr handle))
7549 (unless (gnus-unbuttonized-mime-type-p (car handle))
7550 (let ((gnus-mime-security-button-line-format
7551 gnus-mime-security-button-end-line-format))
7552 (gnus-insert-mime-security-button handle)))
7553 (mm-set-handle-multipart-parameter
7555 (cons (set-marker (make-marker) (point-min))
7556 (set-marker (make-marker) (point-max))))))
7558 (defun gnus-mime-security-run-function (function)
7559 "Run FUNCTION with the security part under point."
7560 (gnus-article-check-buffer)
7561 (let ((data (get-text-property (point) 'gnus-data))
7563 (when (and (stringp (car-safe data))
7564 (setq buffer (mm-handle-multipart-original-buffer data))
7565 (setq handle (cadr data)))
7566 (if (bufferp (mm-handle-buffer handle))
7568 (setq handle (cons buffer (copy-sequence (cdr handle))))
7569 (mm-handle-set-undisplayer handle nil))
7570 (setq handle (mm-make-handle
7572 (mm-handle-multipart-ctl-parameter handle 'protocol)
7573 nil nil nil nil nil nil)))
7574 (funcall function handle))))
7576 (defun gnus-mime-security-save-part ()
7577 "Save the security part under point."
7579 (gnus-mime-security-run-function 'mm-save-part))
7581 (defun gnus-mime-security-pipe-part ()
7582 "Pipe the security part under point to a process."
7584 (gnus-mime-security-run-function 'mm-pipe-part))
7590 (run-hooks 'gnus-art-load-hook)
7592 ;;; arch-tag: 2654516f-6279-48f9-a83b-05c1fa450c33
7593 ;;; gnus-art.el ends here