1 ;;; gnus-art.el --- article mode commands for Gnus
3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 ;; 2005, 2006, 2007, 2008, 2009, 2010 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 3 of the License, or
14 ;; (at your option) any later version.
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. If not, see <http://www.gnu.org/licenses/>.
28 ;; For Emacs <22.2 and XEmacs.
30 (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
34 (defvar w3m-minor-mode-map)
49 (autoload 'gnus-msg-mail "gnus-msg" nil t)
50 (autoload 'gnus-button-mailto "gnus-msg")
51 (autoload 'gnus-button-reply "gnus-msg" nil t)
52 (autoload 'parse-time-string "parse-time" nil nil)
53 (autoload 'ansi-color-apply-on-region "ansi-color")
54 (autoload 'mm-url-insert-file-contents-external "mm-url")
55 (autoload 'mm-extern-cache-contents "mm-extern")
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 "Envelope-To" "X-Spam-Score" "System-Type" "X-Injected-Via-Gmane"
161 "X-Gmane-NNTP-Posting-Host" "Jabber-ID" "Archived-At"
162 "Envelope-Sender" "Envelope-Recipients"))
163 "*All headers that start with this regexp will be hidden.
164 This variable can also be a list of regexps of headers to be ignored.
165 If `gnus-visible-headers' is non-nil, this variable will be ignored."
166 :type '(choice :custom-show nil
169 :group 'gnus-article-hiding)
171 (defcustom gnus-visible-headers
172 "^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:"
173 "*All headers that do not match this regexp will be hidden.
174 This variable can also be a list of regexp of headers to remain visible.
175 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
177 (repeat :value-to-internal (lambda (widget value)
178 (custom-split-regexp-maybe value))
179 :match (lambda (widget value)
181 (widget-editable-list-match widget value)))
183 (const :tag "Use gnus-ignored-headers" nil)
185 :group 'gnus-article-hiding)
187 (defcustom gnus-sorted-header-list
188 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
189 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
190 "*This variable is a list of regular expressions.
191 If it is non-nil, headers that match the regular expressions will
192 be placed first in the article buffer in the sequence specified by
194 :type '(repeat regexp)
195 :group 'gnus-article-hiding)
197 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
198 "Headers that are only to be displayed if they have interesting data.
199 Possible values in this list are:
201 'empty Headers with no content.
202 'newsgroups Newsgroup identical to Gnus group.
203 'to-address To identical to To-address.
204 'to-list To identical to To-list.
205 'cc-list CC identical to To-list.
206 'followup-to Followup-to identical to Newsgroups.
207 'reply-to Reply-to identical to From.
208 'date Date less than four days old.
209 'long-to To and/or Cc longer than 1024 characters.
210 'many-to Multiple To and/or Cc."
211 :type '(set (const :tag "Headers with no content." empty)
212 (const :tag "Newsgroups identical to Gnus group." newsgroups)
213 (const :tag "To identical to To-address." to-address)
214 (const :tag "To identical to To-list." to-list)
215 (const :tag "CC identical to To-list." cc-list)
216 (const :tag "Followup-to identical to Newsgroups." followup-to)
217 (const :tag "Reply-to identical to From." reply-to)
218 (const :tag "Date less than four days old." date)
219 (const :tag "To and/or Cc longer than 1024 characters." long-to)
220 (const :tag "Multiple To and/or Cc headers." many-to))
221 :group 'gnus-article-hiding)
223 (defcustom gnus-article-skip-boring nil
224 "Skip over text that is not worth reading.
225 By default, if you set this t, then Gnus will display citations and
226 signatures, but will never scroll down to show you a page consisting
227 only of boring text. Boring text is controlled by
228 `gnus-article-boring-faces'."
231 :group 'gnus-article-hiding)
233 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
234 "Regexp matching signature separator.
235 This can also be a list of regexps. In that case, it will be checked
236 from head to tail looking for a separator. Searches will be done from
237 the end of the buffer."
238 :type '(choice :format "%{%t%}: %[Value Menu%]\n%v"
240 (repeat :tag "List of regexp" regexp))
241 :group 'gnus-article-signature)
243 (defcustom gnus-signature-limit nil
244 "Provide a limit to what is considered a signature.
245 If it is a number, no signature may not be longer (in characters) than
246 that number. If it is a floating point number, no signature may be
247 longer (in lines) than that number. If it is a function, the function
248 will be called without any parameters, and if it returns nil, there is
249 no signature in the buffer. If it is a string, it will be used as a
250 regexp. If it matches, the text in question is not a signature.
252 This can also be a list of the above values."
253 :type '(choice (const nil)
257 (regexp :value ".*"))
258 :group 'gnus-article-signature)
260 (defcustom gnus-hidden-properties '(invisible t intangible t)
261 "Property list to use for hiding text."
263 :group 'gnus-article-hiding)
265 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
266 ;; frames in a session.
267 (defcustom gnus-article-x-face-command
268 (if (featurep 'xemacs)
269 (if (or (gnus-image-type-available-p 'xface)
270 (gnus-image-type-available-p 'pbm))
271 'gnus-display-x-face-in-from
272 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
273 (if (gnus-image-type-available-p 'pbm)
274 'gnus-display-x-face-in-from
275 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
277 "*String or function to be executed to display an X-Face header.
278 If it is a string, the command will be executed in a sub-shell
279 asynchronously. The compressed face will be piped to this command."
280 :type `(choice string
281 (function-item gnus-display-x-face-in-from)
285 :group 'gnus-article-washing)
287 (defcustom gnus-article-x-face-too-ugly nil
288 "Regexp matching posters whose face shouldn't be shown automatically."
289 :type '(choice regexp (const nil))
290 :group 'gnus-article-washing)
292 (defcustom gnus-article-banner-alist nil
293 "Banner alist for stripping.
295 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
297 :type '(repeat (cons symbol regexp))
298 :group 'gnus-article-washing)
300 (gnus-define-group-parameter
303 "Alist of regexps (to match group names) and banner."
304 :variable-group gnus-article-washing
306 '(choice :tag "Banner"
308 (const :tag "Remove signature" signature)
309 (symbol :tag "Item in `gnus-article-banner-alist'" none)
311 (const :tag "None" nil))
313 "If non-nil, specify how to remove `banners' from articles.
315 Symbol `signature' means to remove signatures delimited by
316 `gnus-signature-separator'. Any other symbol is used to look up a
317 regular expression to match the banner in `gnus-article-banner-alist'.
318 A string is used as a regular expression to match the banner
321 (defcustom gnus-article-address-banner-alist nil
322 "Alist of mail addresses and banners.
323 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
324 to match a mail address in the From: header, BANNER is one of a symbol
325 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
326 If ADDRESS matches author's mail address, it will remove things like
327 advertisements. For example:
329 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
333 (regexp :tag "Address")
334 (choice :tag "Banner" :value nil
335 (const :tag "Remove signature" signature)
336 (symbol :tag "Item in `gnus-article-banner-alist'" none)
338 (const :tag "None" nil))))
340 :group 'gnus-article-washing)
342 (defmacro gnus-emphasis-custom-with-format (&rest body)
344 \\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\
345 \\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)"))
348 (defun gnus-emphasis-custom-value-to-external (value)
349 (gnus-emphasis-custom-with-format
350 (if (consp (car value))
351 (list (format format (car (car value)) (cdr (car value)))
353 (if (nth 1 value) 2 3)
357 (defun gnus-emphasis-custom-value-to-internal (value)
358 (gnus-emphasis-custom-with-format
359 (let ((regexp (concat "\\`"
360 (format (regexp-quote format)
361 "\\([^()]+\\)" "\\([^()]+\\)")
364 (if (string-match regexp (setq pattern (car value)))
365 (list (cons (match-string 1 pattern) (match-string 2 pattern))
370 (defcustom gnus-emphasis-alist
372 '(("\\*" "\\*" bold nil 2)
375 ("_/" "/_" underline-italic)
376 ("_\\*" "\\*_" underline-bold)
377 ("\\*/" "/\\*" bold-italic)
378 ("_\\*/" "/\\*_" underline-bold-italic))))
380 (gnus-emphasis-custom-with-format
381 (mapcar (lambda (spec)
382 (list (format format (car spec) (cadr spec))
385 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
387 '(;; I've never seen anyone use this strikethru convention whereas I've
388 ;; several times seen it triggered by normal text. --Stef
389 ;; Miles suggests that this form is sometimes used but for italics,
390 ;; so maybe we should map it to `italic'.
391 ;; ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
392 ;; 2 3 gnus-emphasis-strikethru)
393 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
394 2 3 gnus-emphasis-underline))))
395 "*Alist that says how to fontify certain phrases.
396 Each item looks like this:
398 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
400 The first element is a regular expression to be matched. The second
401 is a number that says what regular expression grouping used to find
402 the entire emphasized word. The third is a number that says what
403 regexp grouping should be displayed and highlighted. The fourth
404 is the face used for highlighting."
408 :format "%[Customizing Style%]\n%v"
410 (group :tag "Default"
411 :value ("" 0 0 default)
414 (let ((value (widget-get
415 (cadr (widget-get (widget-get widget :parent)
418 (if (not (eq (nth 2 value) 'default))
422 (gnus-emphasis-custom-value-to-external value))))
423 (widget-group-value-create widget))
425 (integer :format "Match group: %v")
426 (integer :format "Emphasize group: %v")
429 :value (("_" . "_") nil default)
431 (regexp :format "Start regexp: %v")
432 (regexp :format "End regexp: %v"))
433 (boolean :format "Show start and end patterns: %[%v%]\n"
434 :on " On " :off " Off ")
436 :get (lambda (symbol)
437 (mapcar 'gnus-emphasis-custom-value-to-internal
438 (default-value symbol)))
439 :set (lambda (symbol value)
440 (set-default symbol (mapcar 'gnus-emphasis-custom-value-to-external
442 :group 'gnus-article-emphasis)
444 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
445 "A regexp to describe whitespace which should not be emphasized.
446 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
447 The former avoids underlining of leading and trailing whitespace,
448 and the latter avoids underlining any whitespace at all."
450 :group 'gnus-article-emphasis
453 (defface gnus-emphasis-bold '((t (:bold t)))
454 "Face used for displaying strong emphasized text (*word*)."
455 :group 'gnus-article-emphasis)
457 (defface gnus-emphasis-italic '((t (:italic t)))
458 "Face used for displaying italic emphasized text (/word/)."
459 :group 'gnus-article-emphasis)
461 (defface gnus-emphasis-underline '((t (:underline t)))
462 "Face used for displaying underlined emphasized text (_word_)."
463 :group 'gnus-article-emphasis)
465 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
466 "Face used for displaying underlined bold emphasized text (_*word*_)."
467 :group 'gnus-article-emphasis)
469 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
470 "Face used for displaying underlined italic emphasized text (_/word/_)."
471 :group 'gnus-article-emphasis)
473 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
474 "Face used for displaying bold italic emphasized text (/*word*/)."
475 :group 'gnus-article-emphasis)
477 (defface gnus-emphasis-underline-bold-italic
478 '((t (:bold t :italic t :underline t)))
479 "Face used for displaying underlined bold italic emphasized text.
480 Example: (_/*word*/_)."
481 :group 'gnus-article-emphasis)
483 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
484 '((t (:strikethru t)))
485 '((t (:strike-through t))))
486 "Face used for displaying strike-through text (-word-)."
487 :group 'gnus-article-emphasis)
489 (defface gnus-emphasis-highlight-words
490 '((t (:background "black" :foreground "yellow")))
491 "Face used for displaying highlighted words."
492 :group 'gnus-article-emphasis)
494 (defcustom gnus-article-time-format "%a, %d %b %Y %T %Z"
495 "Format for display of Date headers in article bodies.
496 See `format-time-string' for the possible values.
498 The variable can also be function, which should return a complete Date
499 header. The function is called with one argument, the time, which can
500 be fed to `format-time-string'."
501 :type '(choice string function)
502 :link '(custom-manual "(gnus)Article Date")
503 :group 'gnus-article-washing)
505 (defcustom gnus-save-all-headers t
506 "*If non-nil, don't remove any headers before saving.
507 This will be overridden by the `:headers' property that the symbol of
508 the saver function, which is specified by `gnus-default-article-saver',
510 :group 'gnus-article-saving
513 (defcustom gnus-prompt-before-saving 'always
514 "*This variable says how much prompting is to be done when saving articles.
515 If it is nil, no prompting will be done, and the articles will be
516 saved to the default files. If this variable is `always', each and
517 every article that is saved will be preceded by a prompt, even when
518 saving large batches of articles. If this variable is neither nil not
519 `always', there the user will be prompted once for a file name for
520 each invocation of the saving commands."
521 :group 'gnus-article-saving
522 :type '(choice (item always)
523 (item :tag "never" nil)
524 (sexp :tag "once" :format "%t\n" :value t)))
526 (defcustom gnus-saved-headers gnus-visible-headers
527 "Headers to keep if `gnus-save-all-headers' is nil.
528 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
529 If that variable is nil, however, all headers that match this regexp
530 will be kept while the rest will be deleted before saving. This and
531 `gnus-save-all-headers' will be overridden by the `:headers' property
532 that the symbol of the saver function, which is specified by
533 `gnus-default-article-saver', might have."
534 :group 'gnus-article-saving
537 ;; Note that "Rmail format" is mbox since Emacs 23, but Babyl before.
538 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
539 "A function to save articles in your favourite format.
540 The function will be called by way of the `gnus-summary-save-article'
541 command, and friends such as `gnus-summary-save-article-rmail'.
543 Gnus provides the following functions:
545 * gnus-summary-save-in-rmail (Rmail format)
546 * gnus-summary-save-in-mail (Unix mail format)
547 * gnus-summary-save-in-folder (MH folder)
548 * gnus-summary-save-in-file (article format)
549 * gnus-summary-save-body-in-file (article body)
550 * gnus-summary-save-in-vm (use VM's folder format)
551 * gnus-summary-write-to-file (article format -- overwrite)
552 * gnus-summary-write-body-to-file (article body -- overwrite)
553 * gnus-summary-save-in-pipe (article format)
555 The symbol of each function may have the following properties:
558 The value non-nil means save decoded articles. This is meaningful
559 only with `gnus-summary-save-in-file', `gnus-summary-save-body-in-file',
560 `gnus-summary-write-to-file', `gnus-summary-write-body-to-file', and
561 `gnus-summary-save-in-pipe'.
564 The value specifies an alternative function which appends, not
565 overwrites, articles to a file. This implies that when saving many
566 articles at a time, `gnus-prompt-before-saving' is bound to t and all
567 articles are saved in a single file. This is meaningful only with
568 `gnus-summary-write-to-file' and `gnus-summary-write-body-to-file'.
571 The value specifies the symbol of a variable of which the value
572 specifies headers to be saved. If it is omitted,
573 `gnus-save-all-headers' and `gnus-saved-headers' control what
574 headers should be saved."
575 :group 'gnus-article-saving
576 :type '(radio (function-item gnus-summary-save-in-rmail)
577 (function-item gnus-summary-save-in-mail)
578 (function-item gnus-summary-save-in-folder)
579 (function-item gnus-summary-save-in-file)
580 (function-item gnus-summary-save-body-in-file)
581 (function-item gnus-summary-save-in-vm)
582 (function-item gnus-summary-write-to-file)
583 (function-item gnus-summary-write-body-to-file)
584 (function-item gnus-summary-save-in-pipe)
587 (defcustom gnus-article-save-coding-system
588 (or (and (mm-coding-system-p 'utf-8) 'utf-8)
589 (and (mm-coding-system-p 'iso-2022-7bit) 'iso-2022-7bit)
590 (and (mm-coding-system-p 'emacs-mule) 'emacs-mule)
591 (and (mm-coding-system-p 'escape-quoted) 'escape-quoted))
592 "Coding system used to save decoded articles to a file.
594 The recommended coding systems are `utf-8', `iso-2022-7bit' and so on,
595 which can safely encode any characters in text. This is used by the
598 * gnus-summary-save-article-file
599 * gnus-summary-save-article-body-file
600 * gnus-summary-write-article-file
601 * gnus-summary-write-article-body-file
603 and the functions to which you may set `gnus-default-article-saver':
605 * gnus-summary-save-in-file
606 * gnus-summary-save-body-in-file
607 * gnus-summary-write-to-file
608 * gnus-summary-write-body-to-file
610 Those commands and functions save just text displayed in the article
611 buffer to a file if the value of this variable is non-nil. Note that
612 buttonized MIME parts will be lost in a saved file in that case.
613 Otherwise, raw articles will be saved."
614 :group 'gnus-article-saving
616 :format "%{%t%}:\n %[Value Menu%] %v"
617 (const :tag "Save raw articles" nil)
620 (lambda (arg) (if (mm-coding-system-p (nth 3 arg)) arg))
621 '((const :tag "UTF-8" utf-8)
622 (const :tag "iso-2022-7bit" iso-2022-7bit)
623 (const :tag "Emacs internal" emacs-mule)
624 (const :tag "escape-quoted" escape-quoted))))
625 (symbol :tag "Coding system")))
627 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
628 "A function generating a file name to save articles in Rmail format.
629 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
630 :group 'gnus-article-saving
633 (defcustom gnus-mail-save-name 'gnus-plain-save-name
634 "A function generating a file name to save articles in Unix mail format.
635 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
636 :group 'gnus-article-saving
639 (defcustom gnus-folder-save-name 'gnus-folder-save-name
640 "A function generating a file name to save articles in MH folder.
641 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
642 :group 'gnus-article-saving
645 (defcustom gnus-file-save-name 'gnus-numeric-save-name
646 "A function generating a file name to save articles in article format.
647 The function is called with NEWSGROUP, HEADERS, and optional
649 :group 'gnus-article-saving
652 (defcustom gnus-split-methods
653 '((gnus-article-archive-name)
654 (gnus-article-nndoc-name))
655 "*Variable used to suggest where articles are to be saved.
656 For instance, if you would like to save articles related to Gnus in
657 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
658 you could set this variable to something like:
660 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
661 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
663 This variable is an alist where the key is the match and the
664 value is a list of possible files to save in if the match is
667 If the match is a string, it is used as a regexp match on the
668 article. If the match is a symbol, that symbol will be funcalled
669 from the buffer of the article to be saved with the newsgroup as the
670 parameter. If it is a list, it will be evaled in the same buffer.
672 If this form or function returns a string, this string will be used as a
673 possible file name; and if it returns a non-nil list, that list will be
674 used as possible file names."
675 :group 'gnus-article-saving
676 :type '(repeat (choice (list :value (fun) function)
677 (cons :value ("" "") regexp (repeat string))
680 (defcustom gnus-page-delimiter "^\^L"
681 "*Regexp describing what to use as article page delimiters.
682 The default value is \"^\^L\", which is a form linefeed at the
683 beginning of a line."
685 :group 'gnus-article-various)
687 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
688 "*The format specification for the article mode line.
689 See `gnus-summary-mode-line-format' for a closer description.
691 The following additional specs are available:
693 %w The article washing status.
694 %m The number of MIME parts in the article."
696 :group 'gnus-article-various)
698 (defcustom gnus-article-mode-hook nil
699 "*A hook for Gnus article mode."
701 :group 'gnus-article-various)
703 (when (featurep 'xemacs)
704 ;; Extracted from gnus-xmas-define in order to preserve user settings
705 (when (fboundp 'turn-off-scroll-in-place)
706 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
707 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
708 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
710 (defcustom gnus-article-menu-hook nil
711 "*Hook run after the creation of the article mode menu."
713 :group 'gnus-article-various)
715 (defcustom gnus-article-prepare-hook nil
716 "*A hook called after an article has been prepared in the article buffer."
718 :group 'gnus-article-various)
720 (defcustom gnus-copy-article-ignored-headers nil
721 "List of headers to be removed when copying an article.
722 Each element is a regular expression."
723 :version "23.1" ;; No Gnus
724 :type '(repeat regexp)
725 :group 'gnus-article-various)
727 (make-obsolete-variable 'gnus-article-hide-pgp-hook nil
728 "Gnus 5.10 (Emacs 22.1)")
731 '((t (:weight bold)))
732 "Face used for highlighting a button in the article buffer."
733 :group 'gnus-article-buttons)
735 (defcustom gnus-article-button-face 'gnus-button
736 "Face used for highlighting buttons in the article buffer.
738 An article button is a piece of text that you can activate by pressing
739 `RET' or `mouse-2' above it."
741 :group 'gnus-article-buttons)
743 (defcustom gnus-article-mouse-face 'highlight
744 "Face used for mouse highlighting in the article buffer.
746 Article buttons will be displayed in this face when the cursor is
749 :group 'gnus-article-buttons)
751 (defcustom gnus-signature-face 'gnus-signature
752 "Face used for highlighting a signature in the article buffer.
753 Obsolete; use the face `gnus-signature' for customizations instead."
755 :group 'gnus-article-highlight
756 :group 'gnus-article-signature)
758 (defface gnus-signature
761 "Face used for highlighting a signature in the article buffer."
762 :group 'gnus-article-highlight
763 :group 'gnus-article-signature)
764 ;; backward-compatibility alias
765 (put 'gnus-signature-face 'face-alias 'gnus-signature)
766 (put 'gnus-signature-face 'obsolete-face "22.1")
768 (defface gnus-header-from
771 (:foreground "PaleGreen1"))
774 (:foreground "red3"))
777 "Face used for displaying from headers."
778 :group 'gnus-article-headers
779 :group 'gnus-article-highlight)
780 ;; backward-compatibility alias
781 (put 'gnus-header-from-face 'face-alias 'gnus-header-from)
782 (put 'gnus-header-from-face 'obsolete-face "22.1")
784 (defface gnus-header-subject
787 (:foreground "SeaGreen1"))
790 (:foreground "red4"))
792 (:bold t :italic t)))
793 "Face used for displaying subject headers."
794 :group 'gnus-article-headers
795 :group 'gnus-article-highlight)
796 ;; backward-compatibility alias
797 (put 'gnus-header-subject-face 'face-alias 'gnus-header-subject)
798 (put 'gnus-header-subject-face 'obsolete-face "22.1")
800 (defface gnus-header-newsgroups
803 (:foreground "yellow" :italic t))
806 (:foreground "MidnightBlue" :italic t))
809 "Face used for displaying newsgroups headers.
810 In the default setup this face is only used for crossposted
812 :group 'gnus-article-headers
813 :group 'gnus-article-highlight)
814 ;; backward-compatibility alias
815 (put 'gnus-header-newsgroups-face 'face-alias 'gnus-header-newsgroups)
816 (put 'gnus-header-newsgroups-face 'obsolete-face "22.1")
818 (defface gnus-header-name
821 (:foreground "SpringGreen2"))
824 (:foreground "maroon"))
827 "Face used for displaying header names."
828 :group 'gnus-article-headers
829 :group 'gnus-article-highlight)
830 ;; backward-compatibility alias
831 (put 'gnus-header-name-face 'face-alias 'gnus-header-name)
832 (put 'gnus-header-name-face 'obsolete-face "22.1")
834 (defface gnus-header-content
837 (:foreground "SpringGreen1" :italic t))
840 (:foreground "indianred4" :italic t))
842 (:italic t))) "Face used for displaying header content."
843 :group 'gnus-article-headers
844 :group 'gnus-article-highlight)
845 ;; backward-compatibility alias
846 (put 'gnus-header-content-face 'face-alias 'gnus-header-content)
847 (put 'gnus-header-content-face 'obsolete-face "22.1")
849 (defcustom gnus-header-face-alist
850 '(("From" nil gnus-header-from)
851 ("Subject" nil gnus-header-subject)
852 ("Newsgroups:.*," nil gnus-header-newsgroups)
853 ("" gnus-header-name gnus-header-content))
854 "*Controls highlighting of article headers.
856 An alist of the form (HEADER NAME CONTENT).
858 HEADER is a regular expression which should match the name of a
859 header and NAME and CONTENT are either face names or nil.
861 The name of each header field will be displayed using the face
862 specified by the first element in the list where HEADER matches
863 the header name and NAME is non-nil. Similarly, the content will
864 be displayed by the first non-nil matching CONTENT face."
865 :group 'gnus-article-headers
866 :group 'gnus-article-highlight
867 :type '(repeat (list (regexp :tag "Header")
869 (item :tag "skip" nil)
870 (face :value default))
871 (choice :tag "Content"
872 (item :tag "skip" nil)
873 (face :value default)))))
875 (defcustom gnus-face-properties-alist (if (featurep 'xemacs)
876 '((xface . (:face gnus-x-face)))
877 '((pbm . (:face gnus-x-face))
879 "Alist of image types and properties applied to Face and X-Face images.
882 ;; Specify the altitude of Face images in the From header.
883 \(setq gnus-face-properties-alist
884 '((pbm . (:face gnus-x-face :ascent 80))
885 (png . (:ascent 80))))
887 ;; Show Face images as pressed buttons.
888 \(setq gnus-face-properties-alist
889 '((pbm . (:face gnus-x-face :relief -2))
890 (png . (:relief -2))))
892 See the manual for the valid properties for various image types.
893 Currently, `pbm' is used for X-Face images and `png' is used for Face
894 images in Emacs. Only the `:face' property is effective on the `xface'
895 image type in XEmacs if it is built with the libcompface library."
896 :version "23.1" ;; No Gnus
897 :group 'gnus-article-headers
898 :type '(repeat (cons :format "%v" (symbol :tag "Image type") plist)))
900 (defcustom gnus-article-decode-hook
901 '(article-decode-charset article-decode-encoded-words
902 article-decode-group-name article-decode-idna-rhs)
903 "*Hook run to decode charsets in articles."
904 :group 'gnus-article-headers
907 (defcustom gnus-display-mime-function 'gnus-display-mime
908 "Function to display MIME articles."
909 :group 'gnus-article-mime
912 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
913 "Function used to decode headers.")
915 (defvar gnus-decode-address-function 'mail-decode-encoded-address-region
916 "Function used to decode addresses.")
918 (defvar gnus-article-dumbquotes-map
938 "Table for MS-to-Latin1 translation.")
940 (defcustom gnus-ignored-mime-types nil
941 "List of MIME types that should be ignored by Gnus."
943 :group 'gnus-article-mime
944 :type '(repeat regexp))
946 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
947 "List of MIME types that should not be given buttons when rendered inline.
948 See also `gnus-buttonized-mime-types' which may override this variable.
949 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
951 :group 'gnus-article-mime
952 :type '(repeat regexp))
954 (defcustom gnus-buttonized-mime-types nil
955 "List of MIME types that should be given buttons when rendered inline.
956 If set, this variable overrides `gnus-unbuttonized-mime-types'.
957 To see e.g. security buttons you could set this to
958 `(\"multipart/signed\")'. You could also add \"multipart/alternative\" to
959 this list to display radio buttons that allow you to choose one of two
960 media types those mails include. See also `mm-discouraged-alternatives'.
961 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
963 :group 'gnus-article-mime
964 :type '(repeat regexp))
966 (defcustom gnus-inhibit-mime-unbuttonizing nil
967 "If non-nil, all MIME parts get buttons.
968 When nil (the default value), then some MIME parts do not get buttons,
969 as described by the variables `gnus-buttonized-mime-types' and
970 `gnus-unbuttonized-mime-types'."
972 :group 'gnus-article-mime
975 (defcustom gnus-body-boundary-delimiter "_"
976 "String used to delimit header and body.
977 This variable is used by `gnus-article-treat-body-boundary' which can
978 be controlled by `gnus-treat-body-boundary'."
980 :group 'gnus-article-various
981 :type '(choice (item :tag "None" :value nil)
984 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces"
986 "Defines the location of the faces database.
987 For information on obtaining this database of pretty pictures, please
988 see http://www.cs.indiana.edu/picons/ftp/index.html"
990 :type '(repeat directory)
991 :link '(url-link :tag "download"
992 "http://www.cs.indiana.edu/picons/ftp/index.html")
993 :link '(custom-manual "(gnus)Picons")
996 (defun gnus-picons-installed-p ()
997 "Say whether picons are installed on your machine."
998 (let ((installed nil))
999 (dolist (database gnus-picon-databases)
1000 (when (file-exists-p database)
1001 (setq installed t)))
1004 (defcustom gnus-article-mime-part-function nil
1005 "Function called with a MIME handle as the argument.
1006 This is meant for people who want to do something automatic based
1007 on parts -- for instance, adding Vcard info to a database."
1008 :group 'gnus-article-mime
1009 :type '(choice (const nil)
1012 (defcustom gnus-mime-multipart-functions nil
1013 "An alist of MIME types to functions to display them."
1015 :group 'gnus-article-mime
1016 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
1018 (defcustom gnus-article-date-lapsed-new-header nil
1019 "Whether the X-Sent and Date headers can coexist.
1020 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
1021 either replace the old \"Date:\" header (if this variable is nil), or
1022 be added below it (otherwise)."
1024 :group 'gnus-article-headers
1027 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
1028 "Function called with a MIME handle as the argument.
1029 This is meant for people who want to view first matched part.
1030 For `undisplayed-alternative' (default), the first undisplayed
1031 part or alternative part is used. For `undisplayed', the first
1032 undisplayed part is used. For a function, the first part which
1033 the function return t is used. For nil, the first part is
1036 :group 'gnus-article-mime
1038 (item :tag "first" :value nil)
1039 (item :tag "undisplayed" :value undisplayed)
1040 (item :tag "undisplayed or alternative"
1041 :value undisplayed-alternative)
1044 (defcustom gnus-mime-action-alist
1045 '(("save to file" . gnus-mime-save-part)
1046 ("save and strip" . gnus-mime-save-part-and-strip)
1047 ("replace with file" . gnus-mime-replace-part)
1048 ("delete part" . gnus-mime-delete-part)
1049 ("display as text" . gnus-mime-inline-part)
1050 ("view the part" . gnus-mime-view-part)
1051 ("pipe to command" . gnus-mime-pipe-part)
1052 ("toggle display" . gnus-article-press-button)
1053 ("toggle display" . gnus-article-view-part-as-charset)
1054 ("view as type" . gnus-mime-view-part-as-type)
1055 ("view internally" . gnus-mime-view-part-internally)
1056 ("view externally" . gnus-mime-view-part-externally))
1057 "An alist of actions that run on the MIME attachment."
1058 :group 'gnus-article-mime
1059 :type '(repeat (cons (string :tag "name")
1062 (defcustom gnus-auto-select-part 1
1063 "Advance to next MIME part when deleting or stripping parts.
1065 When 0, point will be placed on the same part as before. When
1066 positive (negative), move point forward (backwards) this many
1067 parts. When nil, redisplay article."
1068 :version "23.1" ;; No Gnus
1069 :group 'gnus-article-mime
1070 :type '(choice (const nil :tag "Redisplay article.")
1071 (const 1 :tag "Next part.")
1072 (const 0 :tag "Current part.")
1076 ;;; The treatment variables
1079 (defvar gnus-part-display-hook nil
1080 "Hook called on parts that are to receive treatment.")
1082 (defvar gnus-article-treat-custom
1083 '(choice (const :tag "Off" nil)
1085 (const :tag "Header" head)
1086 (const :tag "First" first)
1087 (const :tag "Last" last)
1088 (integer :tag "Less")
1089 (repeat :tag "Groups" regexp)
1090 (sexp :tag "Predicate")))
1092 (defvar gnus-article-treat-head-custom
1093 '(choice (const :tag "Off" nil)
1094 (const :tag "Header" head)))
1096 (defvar gnus-article-treat-types '("text/plain" "text/x-verbatim"
1100 (defvar gnus-inhibit-treatment nil
1101 "Whether to inhibit treatment.")
1103 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
1104 "Highlight the signature.
1105 Valid values are nil, t, `head', `first', `last', an integer or a
1106 predicate. See Info node `(gnus)Customizing Articles'."
1107 :group 'gnus-article-treat
1108 :link '(custom-manual "(gnus)Customizing Articles")
1109 :type gnus-article-treat-custom)
1110 (put 'gnus-treat-highlight-signature 'highlight t)
1112 (defcustom gnus-treat-buttonize 100000
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)
1119 (put 'gnus-treat-buttonize 'highlight t)
1121 (defcustom gnus-treat-buttonize-head 'head
1122 "Add buttons to the head.
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-head-custom)
1128 (put 'gnus-treat-buttonize-head 'highlight t)
1130 (defcustom gnus-treat-emphasize 50000
1132 Valid values are nil, t, `head', `first', `last', an integer or a
1133 predicate. See Info node `(gnus)Customizing Articles'."
1134 :group 'gnus-article-treat
1135 :link '(custom-manual "(gnus)Customizing Articles")
1136 :type gnus-article-treat-custom)
1137 (put 'gnus-treat-emphasize 'highlight t)
1139 (defcustom gnus-treat-strip-cr nil
1140 "Remove carriage returns.
1141 Valid values are nil, t, `head', `first', `last', an integer or a
1142 predicate. See Info node `(gnus)Customizing Articles'."
1144 :group 'gnus-article-treat
1145 :link '(custom-manual "(gnus)Customizing Articles")
1146 :type gnus-article-treat-custom)
1148 (defcustom gnus-treat-unsplit-urls nil
1149 "Remove newlines from within URLs.
1150 Valid values are nil, t, `head', `first', `last', an integer or a
1151 predicate. See Info node `(gnus)Customizing Articles'."
1153 :group 'gnus-article-treat
1154 :link '(custom-manual "(gnus)Customizing Articles")
1155 :type gnus-article-treat-custom)
1157 (defcustom gnus-treat-leading-whitespace nil
1158 "Remove leading whitespace in headers.
1159 Valid values are nil, t, `head', `first', `last', an integer or a
1160 predicate. See Info node `(gnus)Customizing Articles'."
1162 :group 'gnus-article-treat
1163 :link '(custom-manual "(gnus)Customizing Articles")
1164 :type gnus-article-treat-custom)
1166 (defcustom gnus-treat-hide-headers 'head
1168 Valid values are nil, t, `head', `first', `last', an integer or a
1169 predicate. See Info node `(gnus)Customizing Articles'."
1170 :group 'gnus-article-treat
1171 :link '(custom-manual "(gnus)Customizing Articles")
1172 :type gnus-article-treat-head-custom)
1174 (defcustom gnus-treat-hide-boring-headers nil
1175 "Hide boring headers.
1176 Valid values are nil, t, `head', `first', `last', an integer or a
1177 predicate. See Info node `(gnus)Customizing Articles'."
1178 :group 'gnus-article-treat
1179 :link '(custom-manual "(gnus)Customizing Articles")
1180 :type gnus-article-treat-head-custom)
1182 (defcustom gnus-treat-hide-signature nil
1183 "Hide the signature.
1184 Valid values are nil, t, `head', `first', `last', an integer or a
1185 predicate. See Info node `(gnus)Customizing Articles'."
1186 :group 'gnus-article-treat
1187 :link '(custom-manual "(gnus)Customizing Articles")
1188 :type gnus-article-treat-custom)
1190 (defcustom gnus-treat-fill-article nil
1192 Valid values are nil, t, `head', `first', `last', an integer or a
1193 predicate. See Info node `(gnus)Customizing Articles'."
1194 :group 'gnus-article-treat
1195 :link '(custom-manual "(gnus)Customizing Articles")
1196 :type gnus-article-treat-custom)
1198 (defcustom gnus-treat-hide-citation nil
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-custom)
1206 (defcustom gnus-treat-hide-citation-maybe nil
1208 Valid values are nil, t, `head', `first', `last', an integer or a
1209 predicate. See Info node `(gnus)Customizing Articles'."
1210 :group 'gnus-article-treat
1211 :link '(custom-manual "(gnus)Customizing Articles")
1212 :type gnus-article-treat-custom)
1214 (defcustom gnus-treat-strip-list-identifiers 'head
1215 "Strip list identifiers from `gnus-list-identifiers`.
1216 Valid values are nil, t, `head', `first', `last', an integer or a
1217 predicate. See Info node `(gnus)Customizing Articles'."
1219 :group 'gnus-article-treat
1220 :link '(custom-manual "(gnus)Customizing Articles")
1221 :type gnus-article-treat-custom)
1223 (make-obsolete-variable 'gnus-treat-strip-pgp nil
1224 "Gnus 5.10 (Emacs 22.1)")
1226 (defcustom gnus-treat-strip-pem nil
1227 "Strip PEM signatures.
1228 Valid values are nil, t, `head', `first', `last', an integer or a
1229 predicate. See Info node `(gnus)Customizing Articles'."
1230 :group 'gnus-article-treat
1231 :link '(custom-manual "(gnus)Customizing Articles")
1232 :type gnus-article-treat-custom)
1234 (defcustom gnus-treat-strip-banner t
1235 "Strip banners from articles.
1236 The banner to be stripped is specified in the `banner' group parameter.
1237 Valid values are nil, t, `head', `first', `last', an integer or a
1238 predicate. See Info node `(gnus)Customizing Articles'."
1239 :group 'gnus-article-treat
1240 :link '(custom-manual "(gnus)Customizing Articles")
1241 :type gnus-article-treat-custom)
1243 (defcustom gnus-treat-highlight-headers 'head
1244 "Highlight the headers.
1245 Valid values are nil, t, `head', `first', `last', an integer or a
1246 predicate. See Info node `(gnus)Customizing Articles'."
1247 :group 'gnus-article-treat
1248 :link '(custom-manual "(gnus)Customizing Articles")
1249 :type gnus-article-treat-head-custom)
1250 (put 'gnus-treat-highlight-headers 'highlight t)
1252 (defcustom gnus-treat-highlight-citation t
1253 "Highlight cited text.
1254 Valid values are nil, t, `head', `first', `last', an integer or a
1255 predicate. See Info node `(gnus)Customizing Articles'."
1256 :group 'gnus-article-treat
1257 :link '(custom-manual "(gnus)Customizing Articles")
1258 :type gnus-article-treat-custom)
1259 (put 'gnus-treat-highlight-citation 'highlight t)
1261 (defcustom gnus-treat-date-ut nil
1262 "Display the Date in UT (GMT).
1263 Valid values are nil, t, `head', `first', `last', an integer or a
1264 predicate. See Info node `(gnus)Customizing Articles'."
1265 :group 'gnus-article-treat
1266 :link '(custom-manual "(gnus)Customizing Articles")
1267 :type gnus-article-treat-head-custom)
1269 (defcustom gnus-treat-date-local nil
1270 "Display the Date in the local timezone.
1271 Valid values are nil, t, `head', `first', `last', an integer or a
1272 predicate. See Info node `(gnus)Customizing Articles'."
1273 :group 'gnus-article-treat
1274 :link '(custom-manual "(gnus)Customizing Articles")
1275 :type gnus-article-treat-head-custom)
1277 (defcustom gnus-treat-date-english nil
1278 "Display the Date in a format that can be read aloud in English.
1279 Valid values are nil, t, `head', `first', `last', an integer or a
1280 predicate. See Info node `(gnus)Customizing Articles'."
1282 :group 'gnus-article-treat
1283 :link '(custom-manual "(gnus)Customizing Articles")
1284 :type gnus-article-treat-head-custom)
1286 (defcustom gnus-treat-date-lapsed nil
1287 "Display the Date header in a way that says how much time has elapsed.
1288 Valid values are nil, t, `head', `first', `last', an integer or a
1289 predicate. See Info node `(gnus)Customizing Articles'."
1290 :group 'gnus-article-treat
1291 :link '(custom-manual "(gnus)Customizing Articles")
1292 :type gnus-article-treat-head-custom)
1294 (defcustom gnus-treat-date-original nil
1295 "Display the date in the original timezone.
1296 Valid values are nil, t, `head', `first', `last', an integer or a
1297 predicate. See Info node `(gnus)Customizing Articles'."
1298 :group 'gnus-article-treat
1299 :link '(custom-manual "(gnus)Customizing Articles")
1300 :type gnus-article-treat-head-custom)
1302 (defcustom gnus-treat-date-iso8601 nil
1303 "Display the date in the ISO8601 format.
1304 Valid values are nil, t, `head', `first', `last', an integer or a
1305 predicate. See Info node `(gnus)Customizing Articles'."
1307 :group 'gnus-article-treat
1308 :link '(custom-manual "(gnus)Customizing Articles")
1309 :type gnus-article-treat-head-custom)
1311 (defcustom gnus-treat-date-user-defined nil
1312 "Display the date in a user-defined format.
1313 The format is defined by the `gnus-article-time-format' variable.
1314 Valid values are nil, t, `head', `first', `last', an integer or a
1315 predicate. See Info node `(gnus)Customizing Articles'."
1316 :group 'gnus-article-treat
1317 :link '(custom-manual "(gnus)Customizing Articles")
1318 :type gnus-article-treat-head-custom)
1320 (defcustom gnus-treat-strip-headers-in-body t
1321 "Strip the X-No-Archive header line from the beginning of the body.
1322 Valid values are nil, t, `head', `first', `last', an integer or a
1323 predicate. See Info node `(gnus)Customizing Articles'."
1325 :group 'gnus-article-treat
1326 :link '(custom-manual "(gnus)Customizing Articles")
1327 :type gnus-article-treat-custom)
1329 (defcustom gnus-treat-strip-trailing-blank-lines nil
1330 "Strip trailing blank lines.
1331 Valid values are nil, t, `head', `first', `last', an integer or a
1332 predicate. See Info node `(gnus)Customizing Articles'.
1334 When set to t, it also strips trailing blanks in all MIME parts.
1335 Consider to use `last' instead."
1336 :group 'gnus-article-treat
1337 :link '(custom-manual "(gnus)Customizing Articles")
1338 :type gnus-article-treat-custom)
1340 (defcustom gnus-treat-strip-leading-blank-lines nil
1341 "Strip leading blank lines.
1342 Valid values are nil, t, `head', `first', `last', an integer or a
1343 predicate. See Info node `(gnus)Customizing Articles'.
1345 When set to t, it also strips trailing blanks in all MIME parts."
1346 :group 'gnus-article-treat
1347 :link '(custom-manual "(gnus)Customizing Articles")
1348 :type gnus-article-treat-custom)
1350 (defcustom gnus-treat-strip-multiple-blank-lines nil
1351 "Strip multiple blank lines.
1352 Valid values are nil, t, `head', `first', `last', an integer or a
1353 predicate. See Info node `(gnus)Customizing Articles'."
1354 :group 'gnus-article-treat
1355 :link '(custom-manual "(gnus)Customizing Articles")
1356 :type gnus-article-treat-custom)
1358 (defcustom gnus-treat-unfold-headers 'head
1359 "Unfold folded header lines.
1360 Valid values are nil, t, `head', `first', `last', an integer or a
1361 predicate. See Info node `(gnus)Customizing Articles'."
1363 :group 'gnus-article-treat
1364 :link '(custom-manual "(gnus)Customizing Articles")
1365 :type gnus-article-treat-custom)
1367 (defcustom gnus-article-unfold-long-headers nil
1368 "If non-nil, allow unfolding headers even if the header is long.
1369 If it is a regexp, only long headers matching this regexp are unfolded.
1370 If it is t, all long headers are unfolded.
1372 This variable has no effect if `gnus-treat-unfold-headers' is nil."
1373 :version "23.1" ;; No Gnus
1374 :group 'gnus-article-treat
1375 :type '(choice (const nil)
1376 (const :tag "all" t)
1379 (defcustom gnus-treat-fold-headers nil
1381 Valid values are nil, t, `head', `first', `last', an integer or a
1382 predicate. See Info node `(gnus)Customizing Articles'."
1384 :group 'gnus-article-treat
1385 :link '(custom-manual "(gnus)Customizing Articles")
1386 :type gnus-article-treat-custom)
1388 (defcustom gnus-treat-fold-newsgroups 'head
1389 "Fold the Newsgroups and Followup-To headers.
1390 Valid values are nil, t, `head', `first', `last', an integer or a
1391 predicate. See Info node `(gnus)Customizing Articles'."
1393 :group 'gnus-article-treat
1394 :link '(custom-manual "(gnus)Customizing Articles")
1395 :type gnus-article-treat-custom)
1397 (defcustom gnus-treat-overstrike t
1398 "Treat overstrike highlighting.
1399 Valid values are nil, t, `head', `first', `last', an integer or a
1400 predicate. See Info node `(gnus)Customizing Articles'."
1401 :group 'gnus-article-treat
1402 :link '(custom-manual "(gnus)Customizing Articles")
1403 :type gnus-article-treat-custom)
1404 (put 'gnus-treat-overstrike 'highlight t)
1406 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1407 "Treat ANSI SGR control sequences.
1408 Valid values are nil, t, `head', `first', `last', an integer or a
1409 predicate. See Info node `(gnus)Customizing Articles'."
1410 :group 'gnus-article-treat
1411 :link '(custom-manual "(gnus)Customizing Articles")
1412 :type gnus-article-treat-custom)
1414 (make-obsolete-variable 'gnus-treat-display-xface
1415 'gnus-treat-display-x-face "Emacs 22.1")
1417 (defcustom gnus-treat-display-x-face
1418 (and (not noninteractive)
1419 (gnus-image-type-available-p 'xbm)
1420 (if (featurep 'xemacs)
1423 (and (string-match "^0x" (shell-command-to-string "uncompface"))
1424 (executable-find "icontopbm"))
1425 ;; shell-command-to-string may signal an error, e.g. if
1426 ;; shell-file-name is not found.
1429 "Display X-Face headers.
1430 Valid values are nil and `head'.
1431 See Info node `(gnus)Customizing Articles' and Info node
1432 `(gnus)X-Face' for details."
1433 :group 'gnus-article-treat
1435 :link '(custom-manual "(gnus)Customizing Articles")
1436 :link '(custom-manual "(gnus)X-Face")
1437 :type gnus-article-treat-head-custom
1438 :set (lambda (symbol value)
1441 (cond ((or (boundp symbol) (get symbol 'saved-value))
1443 ((boundp 'gnus-treat-display-xface)
1445 ** gnus-treat-display-xface is an obsolete variable;\
1446 use gnus-treat-display-x-face instead")
1447 (default-value 'gnus-treat-display-xface))
1448 ((get 'gnus-treat-display-xface 'saved-value)
1450 ** gnus-treat-display-xface is an obsolete variable;\
1451 use gnus-treat-display-x-face instead")
1452 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1455 (put 'gnus-treat-display-x-face 'highlight t)
1457 (defcustom gnus-treat-display-face
1458 (and (not noninteractive)
1459 (gnus-image-type-available-p 'png)
1461 "Display Face headers.
1462 Valid values are nil, t, `head', `first', `last', an integer or a
1463 predicate. See Info node `(gnus)Customizing Articles' and Info
1464 node `(gnus)Face' for details."
1465 :group 'gnus-article-treat
1467 :link '(custom-manual "(gnus)Customizing Articles")
1468 :link '(custom-manual "(gnus)X-Face")
1469 :type gnus-article-treat-head-custom)
1470 (put 'gnus-treat-display-face 'highlight t)
1472 (defcustom gnus-treat-display-smileys (gnus-image-type-available-p 'xpm)
1474 Valid values are nil, t, `head', `first', `last', an integer or a
1475 predicate. See Info node `(gnus)Customizing Articles' and Info
1476 node `(gnus)Smileys' for details."
1477 :group 'gnus-article-treat
1479 :link '(custom-manual "(gnus)Customizing Articles")
1480 :link '(custom-manual "(gnus)Smileys")
1481 :type gnus-article-treat-custom)
1482 (put 'gnus-treat-display-smileys 'highlight t)
1484 (defcustom gnus-treat-from-picon
1485 (if (and (gnus-image-type-available-p 'xpm)
1486 (gnus-picons-installed-p))
1488 "Display picons in the From header.
1489 Valid values are nil, t, `head', `first', `last', an integer or a
1490 predicate. See Info node `(gnus)Customizing Articles' and Info
1491 node `(gnus)Picons' for details."
1493 :group 'gnus-article-treat
1495 :link '(custom-manual "(gnus)Customizing Articles")
1496 :link '(custom-manual "(gnus)Picons")
1497 :type gnus-article-treat-head-custom)
1498 (put 'gnus-treat-from-picon 'highlight t)
1500 (defcustom gnus-treat-mail-picon
1501 (if (and (gnus-image-type-available-p 'xpm)
1502 (gnus-picons-installed-p))
1504 "Display picons in To and Cc headers.
1505 Valid values are nil, t, `head', `first', `last', an integer or a
1506 predicate. See Info node `(gnus)Customizing Articles' and Info
1507 node `(gnus)Picons' for details."
1509 :group 'gnus-article-treat
1511 :link '(custom-manual "(gnus)Customizing Articles")
1512 :link '(custom-manual "(gnus)Picons")
1513 :type gnus-article-treat-head-custom)
1514 (put 'gnus-treat-mail-picon 'highlight t)
1516 (defcustom gnus-treat-newsgroups-picon
1517 (if (and (gnus-image-type-available-p 'xpm)
1518 (gnus-picons-installed-p))
1520 "Display picons in the Newsgroups and Followup-To headers.
1521 Valid values are nil, t, `head', `first', `last', an integer or a
1522 predicate. See Info node `(gnus)Customizing Articles' and Info
1523 node `(gnus)Picons' for details."
1525 :group 'gnus-article-treat
1527 :link '(custom-manual "(gnus)Customizing Articles")
1528 :link '(custom-manual "(gnus)Picons")
1529 :type gnus-article-treat-head-custom)
1530 (put 'gnus-treat-newsgroups-picon 'highlight t)
1532 (defcustom gnus-treat-from-gravatar nil
1533 "Display gravatars in the From header.
1534 Valid values are nil, t, `head', `first', `last', an integer or a
1535 predicate. See Info node `(gnus)Customizing Articles' and Info
1536 node `(gnus)Gravatars' for details."
1538 :group 'gnus-article-treat
1539 :group 'gnus-gravatar
1540 :link '(custom-manual "(gnus)Customizing Articles")
1541 :link '(custom-manual "(gnus)Gravatars")
1542 :type gnus-article-treat-head-custom)
1543 (put 'gnus-treat-from-gravatar 'highlight t)
1545 (defcustom gnus-treat-mail-gravatar nil
1546 "Display gravatars in To and Cc headers.
1547 Valid values are nil, t, `head', `first', `last', an integer or a
1548 predicate. See Info node `(gnus)Customizing Articles' and Info
1549 node `(gnus)Gravatars' for details."
1551 :group 'gnus-article-treat
1552 :group 'gnus-gravatar
1553 :link '(custom-manual "(gnus)Customizing Articles")
1554 :link '(custom-manual "(gnus)Gravatars")
1555 :type gnus-article-treat-head-custom)
1556 (put 'gnus-treat-mail-gravatar 'highlight t)
1558 (defcustom gnus-treat-body-boundary
1559 (if (or gnus-treat-newsgroups-picon
1560 gnus-treat-mail-picon
1561 gnus-treat-from-picon
1562 gnus-treat-from-gravatar
1563 gnus-treat-mail-gravatar)
1564 ;; If there's much decoration, the user might prefer a boundery.
1567 "Draw a boundary at the end of the headers.
1568 Valid values are nil and `head'.
1569 See Info node `(gnus)Customizing Articles' for details."
1571 :group 'gnus-article-treat
1572 :link '(custom-manual "(gnus)Customizing Articles")
1573 :type gnus-article-treat-head-custom)
1575 (defcustom gnus-treat-capitalize-sentences nil
1576 "Capitalize sentence-starting words.
1577 Valid values are nil, t, `head', `first', `last', an integer or a
1578 predicate. See Info node `(gnus)Customizing Articles'."
1580 :group 'gnus-article-treat
1581 :link '(custom-manual "(gnus)Customizing Articles")
1582 :type gnus-article-treat-custom)
1584 (defcustom gnus-treat-wash-html nil
1586 Valid values are nil, t, `head', `first', `last', an integer or a
1587 predicate. See Info node `(gnus)Customizing Articles'."
1589 :group 'gnus-article-treat
1590 :link '(custom-manual "(gnus)Customizing Articles")
1591 :type gnus-article-treat-custom)
1593 (defcustom gnus-treat-fill-long-lines '(typep "text/plain")
1595 Valid values are nil, t, `head', `first', `last', an integer or a
1596 predicate. See Info node `(gnus)Customizing Articles'."
1597 :group 'gnus-article-treat
1598 :link '(custom-manual "(gnus)Customizing Articles")
1599 :type gnus-article-treat-custom)
1601 (defcustom gnus-treat-x-pgp-sig nil
1603 To automatically treat X-PGP-Sig, set it to head.
1604 Valid values are nil, t, `head', `first', `last', an integer or a
1605 predicate. See Info node `(gnus)Customizing Articles'."
1607 :group 'gnus-article-treat
1608 :group 'mime-security
1609 :link '(custom-manual "(gnus)Customizing Articles")
1610 :type gnus-article-treat-custom)
1612 (defvar gnus-article-encrypt-protocol-alist
1613 '(("PGP" . mml2015-self-encrypt)))
1615 ;; Set to nil if more than one protocol added to
1616 ;; gnus-article-encrypt-protocol-alist.
1617 (defcustom gnus-article-encrypt-protocol "PGP"
1618 "The protocol used for encrypt articles.
1619 It is a string, such as \"PGP\". If nil, ask user."
1622 :group 'mime-security)
1624 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1625 (mm-coding-system-p 'utf-8)
1626 (executable-find idna-program))
1627 "Whether IDNA decoding of headers is used when viewing messages.
1628 This requires GNU Libidn, and by default only enabled if it is found."
1630 :group 'gnus-article-headers
1633 (defcustom gnus-article-over-scroll nil
1634 "If non-nil, allow scrolling the article buffer even when there no more text."
1636 :group 'gnus-article
1639 (defcustom gnus-inhibit-images nil
1640 "Non-nil means inhibit displaying of images inline in the article body."
1642 :group 'gnus-article
1645 (defcustom gnus-blocked-images 'gnus-block-private-groups
1646 "Images that have URLs matching this regexp will be blocked.
1647 This can also be a function to be evaluated. If so, it will be
1648 called with the group name as the parameter, and should return a
1654 ;;; Internal variables
1656 (defvar gnus-english-month-names
1657 '("January" "February" "March" "April" "May" "June" "July" "August"
1658 "September" "October" "November" "December"))
1660 (defvar article-goto-body-goes-to-point-min-p nil)
1661 (defvar gnus-article-wash-types nil)
1662 (defvar gnus-article-emphasis-alist nil)
1663 (defvar gnus-article-image-alist nil)
1665 (defvar gnus-article-mime-handle-alist-1 nil)
1666 (defvar gnus-treatment-function-alist
1667 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1668 (gnus-treat-strip-banner gnus-article-strip-banner)
1669 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1670 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1671 (gnus-treat-buttonize gnus-article-add-buttons)
1672 (gnus-treat-fill-article gnus-article-fill-cited-article)
1673 (gnus-treat-fill-long-lines gnus-article-fill-cited-long-lines)
1674 (gnus-treat-strip-cr gnus-article-remove-cr)
1675 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1676 (gnus-treat-date-ut gnus-article-date-ut)
1677 (gnus-treat-date-local gnus-article-date-local)
1678 (gnus-treat-date-english gnus-article-date-english)
1679 (gnus-treat-date-original gnus-article-date-original)
1680 (gnus-treat-date-user-defined gnus-article-date-user)
1681 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1682 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1683 (gnus-treat-display-x-face gnus-article-display-x-face)
1684 (gnus-treat-display-face gnus-article-display-face)
1685 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1686 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1687 (gnus-treat-hide-signature gnus-article-hide-signature)
1688 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1689 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1690 (gnus-treat-from-picon gnus-treat-from-picon)
1691 (gnus-treat-mail-picon gnus-treat-mail-picon)
1692 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1693 (gnus-treat-strip-pem gnus-article-hide-pem)
1694 (gnus-treat-from-gravatar gnus-treat-from-gravatar)
1695 (gnus-treat-mail-gravatar gnus-treat-mail-gravatar)
1696 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1697 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1698 (gnus-treat-strip-trailing-blank-lines
1699 gnus-article-remove-trailing-blank-lines)
1700 (gnus-treat-strip-leading-blank-lines
1701 gnus-article-strip-leading-blank-lines)
1702 (gnus-treat-strip-multiple-blank-lines
1703 gnus-article-strip-multiple-blank-lines)
1704 (gnus-treat-overstrike gnus-article-treat-overstrike)
1705 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1706 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1707 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1708 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1709 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1710 (gnus-treat-display-smileys gnus-treat-smiley)
1711 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1712 (gnus-treat-wash-html gnus-article-wash-html)
1713 (gnus-treat-emphasize gnus-article-emphasize)
1714 (gnus-treat-hide-citation gnus-article-hide-citation)
1715 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1716 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1717 (gnus-treat-body-boundary gnus-article-treat-body-boundary)))
1719 (defvar gnus-article-mime-handle-alist nil)
1720 (defvar article-lapsed-timer nil)
1721 (defvar gnus-article-current-summary nil)
1723 (defvar gnus-article-mode-syntax-table
1724 (let ((table (copy-syntax-table text-mode-syntax-table)))
1725 ;; This causes the citation match run O(2^n).
1726 ;; (modify-syntax-entry ?- "w" table)
1727 (modify-syntax-entry ?> ")<" table)
1728 (modify-syntax-entry ?< "(>" table)
1729 ;; make M-. in article buffers work for `foo' strings
1730 (modify-syntax-entry ?' " " table)
1731 (modify-syntax-entry ?` " " table)
1733 "Syntax table used in article mode buffers.
1734 Initialized from `text-mode-syntax-table.")
1736 (defvar gnus-save-article-buffer nil)
1738 (defvar gnus-number-of-articles-to-be-saved nil)
1740 (defvar gnus-inhibit-hiding nil)
1742 (defvar gnus-article-edit-mode nil)
1744 ;;; Macros for dealing with the article buffer.
1746 (defmacro gnus-with-article-headers (&rest forms)
1747 `(with-current-buffer gnus-article-buffer
1749 (let ((inhibit-read-only t)
1750 (inhibit-point-motion-hooks t)
1751 (case-fold-search t))
1752 (article-narrow-to-head)
1755 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1756 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1758 (defmacro gnus-with-article-buffer (&rest forms)
1759 `(with-current-buffer gnus-article-buffer
1760 (let ((inhibit-read-only t))
1763 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1764 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1766 (defun gnus-article-goto-header (header)
1767 "Go to HEADER, which is a regular expression."
1768 (re-search-forward (concat "^\\(" header "\\):") nil t))
1770 (defsubst gnus-article-hide-text (b e props)
1771 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1772 (gnus-add-text-properties-when 'article-type nil b e props)
1773 (when (memq 'intangible props)
1775 (max (1- b) (point-min))
1776 b 'intangible (cddr (memq 'intangible props)))))
1778 (defsubst gnus-article-unhide-text (b e)
1779 "Remove hidden text properties from region between B and E."
1780 (remove-text-properties b e gnus-hidden-properties)
1781 (when (memq 'intangible gnus-hidden-properties)
1782 (put-text-property (max (1- b) (point-min))
1783 b 'intangible nil)))
1785 (defun gnus-article-hide-text-type (b e type)
1786 "Hide text of TYPE between B and E."
1787 (gnus-add-wash-type type)
1788 (gnus-article-hide-text
1789 b e (cons 'article-type (cons type gnus-hidden-properties))))
1791 (defun gnus-article-unhide-text-type (b e type)
1792 "Unhide text of TYPE between B and E."
1793 (gnus-delete-wash-type type)
1794 (remove-text-properties
1795 b e (cons 'article-type (cons type gnus-hidden-properties)))
1796 (when (memq 'intangible gnus-hidden-properties)
1797 (put-text-property (max (1- b) (point-min))
1798 b 'intangible nil)))
1800 (defun gnus-article-hide-text-of-type (type)
1801 "Hide text of TYPE in the current buffer."
1803 (let ((b (point-min))
1805 (while (setq b (text-property-any b e 'article-type type))
1806 (add-text-properties b (incf b) gnus-hidden-properties)))))
1808 (defun gnus-article-delete-text-of-type (type)
1809 "Delete text of TYPE in the current buffer."
1811 (let ((b (point-min)))
1812 (if (eq type 'multipart)
1813 ;; Remove MIME buttons associated with multipart/alternative parts.
1816 (while (if (get-text-property (point) 'gnus-part)
1818 (when (setq b (next-single-property-change (point)
1823 (skip-chars-forward "\n")
1824 (when (eq (get-text-property b 'article-type) 'multipart)
1825 (delete-region b (point)))))
1826 (while (setq b (text-property-any b (point-max) 'article-type type))
1828 b (or (text-property-not-all b (point-max) 'article-type type)
1831 (defun gnus-article-delete-invisible-text ()
1832 "Delete all invisible text in the current buffer."
1834 (let ((b (point-min)))
1835 (while (setq b (text-property-any b (point-max) 'invisible t))
1837 b (or (text-property-not-all b (point-max) 'invisible t)
1840 (defun gnus-article-text-type-exists-p (type)
1841 "Say whether any text of type TYPE exists in the buffer."
1842 (text-property-any (point-min) (point-max) 'article-type type))
1844 (defsubst gnus-article-header-rank ()
1845 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1846 (let ((list gnus-sorted-header-list)
1849 (if (looking-at (car list))
1851 (setq list (cdr list))
1855 (defun article-hide-headers (&optional arg delete)
1856 "Hide unwanted headers and possibly sort them as well."
1858 ;; This function might be inhibited.
1859 (unless gnus-inhibit-hiding
1860 (let ((inhibit-read-only t)
1861 (case-fold-search t)
1862 (max (1+ (length gnus-sorted-header-list)))
1863 (inhibit-point-motion-hooks t)
1864 (cur (current-buffer))
1865 ignored visible beg)
1867 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1868 ;; group parameters, so we should go to the summary buffer.
1871 (progn (set-buffer gnus-summary-buffer) t)
1873 (setq ignored (when (not gnus-visible-headers)
1874 (cond ((stringp gnus-ignored-headers)
1875 gnus-ignored-headers)
1876 ((listp gnus-ignored-headers)
1877 (mapconcat 'identity
1878 gnus-ignored-headers
1880 visible (cond ((stringp gnus-visible-headers)
1881 gnus-visible-headers)
1882 ((and gnus-visible-headers
1883 (listp gnus-visible-headers))
1884 (mapconcat 'identity
1885 gnus-visible-headers
1889 ;; First we narrow to just the headers.
1890 (article-narrow-to-head)
1891 ;; Hide any "From " lines at the beginning of (mail) articles.
1892 (while (looking-at "From ")
1895 (delete-region (point-min) (point)))
1896 ;; Then treat the rest of the header lines.
1897 ;; Then we use the two regular expressions
1898 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1899 ;; select which header lines is to remain visible in the
1901 (while (re-search-forward "^[^ \t:]*:" nil t)
1903 ;; Mark the rank of the header.
1905 (point) (1+ (point)) 'message-rank
1906 (if (or (and visible (looking-at visible))
1908 (not (looking-at ignored))))
1909 (gnus-article-header-rank)
1912 (message-sort-headers-1)
1913 (when (setq beg (text-property-any
1914 (point-min) (point-max) 'message-rank (+ 2 max)))
1915 ;; We delete the unwanted headers.
1916 (gnus-add-wash-type 'headers)
1917 (add-text-properties (point-min) (+ 5 (point-min))
1918 '(article-type headers dummy-invisible t))
1919 (delete-region beg (point-max))))))))
1921 (defun article-hide-boring-headers (&optional arg)
1922 "Toggle hiding of headers that aren't very interesting.
1923 If given a negative prefix, always show; if given a positive prefix,
1925 (interactive (gnus-article-hidden-arg))
1926 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1927 (not gnus-show-all-headers))
1930 (let ((inhibit-read-only t)
1931 (inhibit-point-motion-hooks t))
1932 (article-narrow-to-head)
1933 (dolist (elem gnus-boring-article-headers)
1934 (goto-char (point-min))
1936 ;; Hide empty headers.
1938 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1940 (gnus-article-hide-text-type
1944 (if (re-search-forward "^[^ \t]" nil t)
1948 ;; Hide boring Newsgroups header.
1949 ((eq elem 'newsgroups)
1950 (when (gnus-string-equal
1951 (gnus-fetch-field "newsgroups")
1952 (gnus-group-real-name
1953 (if (boundp 'gnus-newsgroup-name)
1956 (gnus-article-hide-header "newsgroups")))
1957 ((eq elem 'to-address)
1958 (let ((to (message-fetch-field "to"))
1960 (gnus-parameter-to-address
1961 (if (boundp 'gnus-newsgroup-name)
1962 gnus-newsgroup-name ""))))
1963 (when (and to to-address
1966 ;; only one address in To
1967 (nth 1 (mail-extract-address-components to))
1969 (gnus-article-hide-header "to"))))
1971 (let ((to (message-fetch-field "to"))
1973 (gnus-parameter-to-list
1974 (if (boundp 'gnus-newsgroup-name)
1975 gnus-newsgroup-name ""))))
1976 (when (and to to-list
1979 ;; only one address in To
1980 (nth 1 (mail-extract-address-components to))
1982 (gnus-article-hide-header "to"))))
1984 (let ((cc (message-fetch-field "cc"))
1986 (gnus-parameter-to-list
1987 (if (boundp 'gnus-newsgroup-name)
1988 gnus-newsgroup-name ""))))
1989 (when (and cc to-list
1992 ;; only one address in CC
1993 (nth 1 (mail-extract-address-components cc))
1995 (gnus-article-hide-header "cc"))))
1996 ((eq elem 'followup-to)
1997 (when (gnus-string-equal
1998 (message-fetch-field "followup-to")
1999 (message-fetch-field "newsgroups"))
2000 (gnus-article-hide-header "followup-to")))
2001 ((eq elem 'reply-to)
2002 (if (gnus-group-find-parameter
2003 gnus-newsgroup-name 'broken-reply-to)
2004 (gnus-article-hide-header "reply-to")
2005 (let ((from (message-fetch-field "from"))
2006 (reply-to (message-fetch-field "reply-to")))
2013 (lambda (x) (downcase (cadr x)))
2014 (mail-extract-address-components from t))
2017 (lambda (x) (downcase (cadr x)))
2018 (mail-extract-address-components reply-to t))
2020 (gnus-article-hide-header "reply-to")))))
2022 (let ((date (with-current-buffer gnus-original-article-buffer
2023 ;; If date in `gnus-article-buffer' is localized
2024 ;; (`gnus-treat-date-user-defined'),
2025 ;; `days-between' might fail.
2026 (message-fetch-field "date"))))
2028 (< (days-between (current-time-string) date)
2030 (gnus-article-hide-header "date"))))
2032 (let ((to (message-fetch-field "to"))
2033 (cc (message-fetch-field "cc")))
2034 (when (> (length to) 1024)
2035 (gnus-article-hide-header "to"))
2036 (when (> (length cc) 1024)
2037 (gnus-article-hide-header "cc"))))
2041 (goto-char (point-min))
2042 (while (re-search-forward "^to:" nil t)
2043 (setq to-count (1+ to-count)))
2044 (when (> to-count 1)
2045 (while (> to-count 0)
2046 (goto-char (point-min))
2048 (re-search-forward "^to:" nil nil to-count)
2050 (narrow-to-region (point) (point-max))
2051 (gnus-article-hide-header "to"))
2052 (setq to-count (1- to-count))))
2053 (goto-char (point-min))
2054 (while (re-search-forward "^cc:" nil t)
2055 (setq cc-count (1+ cc-count)))
2056 (when (> cc-count 1)
2057 (while (> cc-count 0)
2058 (goto-char (point-min))
2060 (re-search-forward "^cc:" nil nil cc-count)
2062 (narrow-to-region (point) (point-max))
2063 (gnus-article-hide-header "cc"))
2064 (setq cc-count (1- cc-count)))))))))))))
2066 (defun gnus-article-hide-header (header)
2068 (goto-char (point-min))
2069 (when (re-search-forward (concat "^" header ":") nil t)
2070 (gnus-article-hide-text-type
2074 (if (re-search-forward "^[^ \t]" nil t)
2079 (defvar gnus-article-normalized-header-length 40
2080 "Length of normalized headers.")
2082 (defun article-normalize-headers ()
2083 "Make all header lines 40 characters long."
2085 (let ((inhibit-read-only t)
2089 (article-narrow-to-head)
2092 ((< (setq column (- (point-at-eol) (point)))
2093 gnus-article-normalized-header-length)
2095 (insert (make-string
2096 (- gnus-article-normalized-header-length column)
2098 ((> column gnus-article-normalized-header-length)
2099 (gnus-put-text-property
2101 (forward-char gnus-article-normalized-header-length)
2108 (forward-line 1))))))
2110 (defun article-treat-dumbquotes ()
2111 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
2112 Note that this function guesses whether a character is a sm*rtq**t* or
2113 not, so it should only be used interactively.
2115 Sm*rtq**t*s are M****s***'s unilateral extension to the
2116 iso-8859-1 character map in an attempt to provide more quoting
2117 characters. If you see something like \\222 or \\264 where
2118 you're expecting some kind of apostrophe or quotation mark, then
2121 (article-translate-strings gnus-article-dumbquotes-map))
2123 (defvar org-entities)
2125 (defun article-treat-non-ascii ()
2126 "Translate many Unicode characters into their ASCII equivalents."
2128 (require 'org-entities)
2129 (let ((table (make-char-table (if (featurep 'xemacs) 'generic))))
2130 (dolist (elem org-entities)
2131 (when (and (listp elem)
2132 (= (length (nth 6 elem)) 1))
2133 (if (featurep 'xemacs)
2134 (put-char-table (aref (nth 6 elem) 0) (nth 4 elem) table)
2135 (set-char-table-range table (aref (nth 6 elem) 0) (nth 4 elem)))))
2137 (when (article-goto-body)
2138 (let ((inhibit-read-only t)
2141 (if (not (setq replace (if (featurep 'xemacs)
2142 (get-char-table (following-char) table)
2143 (aref table (following-char)))))
2146 (setq props (text-properties-at (point)))
2148 (add-text-properties (point) (progn (insert replace) (point))
2150 (insert replace)))))))))
2152 (defun article-translate-characters (from to)
2153 "Translate all characters in the body of the article according to FROM and TO.
2154 FROM is a string of characters to translate from; to is a string of
2155 characters to translate to."
2157 (when (article-goto-body)
2158 (let ((inhibit-read-only t)
2159 (x (make-string 225 ?x))
2161 (while (< (incf i) (length x))
2164 (while (< i (length from))
2165 (aset x (aref from i) (aref to i))
2167 (translate-region (point) (point-max) x)))))
2169 (defun article-translate-strings (map)
2170 "Translate all string in the body of the article according to MAP.
2171 MAP is an alist where the elements are on the form (\"from\" \"to\")."
2173 (when (article-goto-body)
2174 (let ((inhibit-read-only t))
2176 (let ((from (car elem))
2180 (while (search-forward from nil t)
2183 (if (eq (following-char) from)
2187 (forward-char 1)))))))))))
2189 (defun article-treat-overstrike ()
2190 "Translate overstrikes into bold text."
2193 (when (article-goto-body)
2194 (let ((inhibit-read-only t))
2195 (while (search-forward "\b" nil t)
2196 (let ((next (char-after))
2197 (previous (char-after (- (point) 2))))
2198 ;; We do the boldification/underlining by hiding the
2199 ;; overstrikes and putting the proper text property
2203 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2204 (put-text-property (point) (1+ (point)) 'face 'bold))
2206 (gnus-article-hide-text-type
2207 (1- (point)) (1+ (point)) 'overstrike)
2209 (- (point) 2) (1- (point)) 'face 'underline))
2211 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2213 (point) (1+ (point)) 'face 'underline)))))))))
2215 (defun article-treat-ansi-sequences ()
2216 "Translate ANSI SGR control sequences into overlays or extents."
2219 (when (article-goto-body)
2220 (let ((inhibit-read-only t))
2221 (ansi-color-apply-on-region (point) (point-max))))))
2223 (defun gnus-article-treat-unfold-headers ()
2224 "Unfold folded message headers.
2225 Only the headers that fit into the current window width will be
2228 (gnus-with-article-headers
2232 (mail-header-narrow-to-field)
2233 (let* ((header (buffer-string))
2235 (or (equal gnus-article-unfold-long-headers t)
2236 (and (stringp gnus-article-unfold-long-headers)
2237 (string-match gnus-article-unfold-long-headers header)))))
2240 (goto-char (point-min))
2241 (while (re-search-forward "\n[\t ]" nil t)
2242 (replace-match " " t t)))
2243 (setq length (- (point-max) (point-min) 1))
2244 (when (or unfoldable
2245 (< length (window-width)))
2246 (while (re-search-forward "\n[\t ]" nil t)
2247 (replace-match " " t t))))
2248 (goto-char (point-max)))))))
2250 (defun gnus-article-treat-fold-headers ()
2251 "Fold message headers."
2253 (gnus-with-article-headers
2256 (mail-header-narrow-to-field)
2257 (mail-header-fold-field)
2258 (goto-char (point-max))))))
2260 (defun gnus-treat-smiley ()
2261 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2263 (gnus-with-article-buffer
2264 (if (memq 'smiley gnus-article-wash-types)
2265 (gnus-delete-images 'smiley)
2267 (let ((images (smiley-region (point) (point-max))))
2269 (gnus-add-wash-type 'smiley)
2270 (dolist (image images)
2271 (gnus-add-image 'smiley image)))))))
2273 (defun gnus-article-remove-images ()
2274 "Remove all images from the article buffer."
2276 (gnus-with-article-buffer
2277 (dolist (elem gnus-article-image-alist)
2278 (gnus-delete-images (car elem)))))
2280 (defun gnus-article-show-images ()
2281 "Show any images that are in the HTML-rendered article buffer.
2282 This only works if the article in question is HTML."
2284 (gnus-with-article-buffer
2285 (dolist (region (gnus-find-text-property-region (point-min) (point-max)
2287 (destructuring-bind (start end function) region
2288 (funcall function (get-text-property start 'image-url)
2291 (defun gnus-article-treat-fold-newsgroups ()
2292 "Unfold folded message headers.
2293 Only the headers that fit into the current window width will be
2296 (gnus-with-article-headers
2297 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2299 (mail-header-narrow-to-field)
2300 (while (re-search-forward ", *" nil t)
2301 (replace-match ", " t t))
2302 (mail-header-fold-field)
2303 (goto-char (point-max))))))
2305 (defcustom gnus-article-truncate-lines (default-value 'truncate-lines)
2306 "Value of `truncate-lines' in Gnus Article buffer.
2307 Valid values are nil, t, `head', `first', `last', an integer or a
2308 predicate. See Info node `(gnus)Customizing Articles'."
2309 :version "23.1" ;; No Gnus
2310 :group 'gnus-article
2311 ;; :link '(custom-manual "(gnus)Customizing Articles")
2314 (defun gnus-article-toggle-truncate-lines (&optional arg)
2315 "Toggle whether to fold or truncate long lines in article the buffer.
2316 If ARG is non-nil and not a number, toggle
2317 `gnus-article-truncate-lines' too. If ARG is a number, truncate
2318 long lines if and only if arg is positive."
2321 ((and (numberp arg) (> arg 0))
2322 (setq gnus-article-truncate-lines t))
2324 (setq gnus-article-truncate-lines nil))
2326 (setq gnus-article-truncate-lines
2327 (not gnus-article-truncate-lines))))
2328 (gnus-with-article-buffer
2330 ((and (numberp arg) (> arg 0))
2331 (setq truncate-lines nil))
2333 (setq truncate-lines t)))
2334 ;; In versions of Emacs 22 (CVS) before 2006-05-26,
2335 ;; `toggle-truncate-lines' needs an argument.
2336 (toggle-truncate-lines)))
2338 (defun gnus-article-treat-body-boundary ()
2339 "Place a boundary line at the end of the headers."
2341 (when (and gnus-body-boundary-delimiter
2342 (> (length gnus-body-boundary-delimiter) 0))
2343 (gnus-with-article-headers
2344 (goto-char (point-max))
2345 (let ((start (point)))
2346 (insert "X-Boundary: ")
2347 (gnus-add-text-properties start (point) '(invisible t intangible t))
2349 (while (>= (window-width) (length str))
2350 (setq str (concat str gnus-body-boundary-delimiter)))
2351 (substring str 0 (window-width)))
2353 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2355 (defun article-fill-long-lines ()
2356 "Fill lines that are wider than the window width."
2359 (let ((inhibit-read-only t)
2360 (width (window-width (get-buffer-window (current-buffer)))))
2363 (let ((adaptive-fill-mode nil)) ;Why? -sm
2366 (when (>= (current-column) (min fill-column width))
2367 (narrow-to-region (min (1+ (point)) (point-max))
2369 (let ((goback (point-marker)))
2370 (fill-paragraph nil)
2371 (goto-char (marker-position goback)))
2373 (forward-line 1)))))))
2375 (defun article-capitalize-sentences ()
2376 "Capitalize the first word in each sentence."
2379 (let ((inhibit-read-only t)
2380 (paragraph-start "^[\n\^L]"))
2384 (forward-sentence)))))
2386 (defun article-remove-cr ()
2387 "Remove trailing CRs and then translate remaining CRs into LFs."
2390 (let ((inhibit-read-only t))
2391 (goto-char (point-min))
2392 (while (re-search-forward "\r+$" nil t)
2393 (replace-match "" t t))
2394 (goto-char (point-min))
2395 (while (search-forward "\r" nil t)
2396 (replace-match "\n" t t)))))
2398 (defun article-remove-trailing-blank-lines ()
2399 "Remove all trailing blank lines from the article."
2402 (let ((inhibit-read-only t))
2403 (goto-char (point-max))
2407 (while (and (not (bobp))
2408 (looking-at "^[ \t]*$")
2409 (not (gnus-annotation-in-region-p
2410 (point) (point-at-eol))))
2415 (defvar gnus-face-properties-alist)
2417 (defun article-display-face (&optional force)
2418 "Display any Face headers in the header."
2419 (interactive (list 'force))
2420 (let ((wash-face-p buffer-read-only))
2421 (gnus-with-article-headers
2422 ;; When displaying parts, this function can be called several times on
2423 ;; the same article, without any intended toggle semantic (as typing `W
2424 ;; D d' would have). So face deletion must occur only when we come from
2425 ;; an interactive command, that is when the *Article* buffer is
2427 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2428 (gnus-delete-images 'face)
2429 (let ((from (message-fetch-field "from"))
2431 (save-current-buffer
2432 (when (and wash-face-p
2433 (gnus-buffer-live-p gnus-original-article-buffer)
2434 (not (re-search-forward "^Face:[\t ]*" nil t)))
2435 (set-buffer gnus-original-article-buffer))
2437 (mail-narrow-to-head)
2439 ;; Check whether this face is censored.
2440 (not (and gnus-article-x-face-too-ugly
2442 (setq from (message-fetch-field "from")))
2443 (string-match gnus-article-x-face-too-ugly
2445 (while (gnus-article-goto-header "Face")
2446 (push (mail-header-field-value) faces)))))
2448 (goto-char (point-min))
2450 (unless (setq from (gnus-article-goto-header "from"))
2453 (insert " [no `from' set]\n"))
2455 (when (setq png (gnus-convert-face-to-png (pop faces)))
2457 (apply 'gnus-create-image png 'png t
2458 (cdr (assq 'png gnus-face-properties-alist))))
2460 (gnus-add-wash-type 'face)
2461 (gnus-add-image 'face image)
2462 (gnus-put-image image nil 'face))))))))))
2464 (defun article-display-x-face (&optional force)
2465 "Look for an X-Face header and display it if present."
2466 (interactive (list 'force))
2467 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2468 (gnus-with-article-headers
2469 ;; Delete the old process, if any.
2470 (when (process-status "article-x-face")
2471 (delete-process "article-x-face"))
2472 ;; See the comment in `article-display-face'.
2473 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2474 ;; We have already displayed X-Faces, so we remove them
2476 (gnus-delete-images 'xface)
2478 (let ((from (message-fetch-field "from"))
2480 (save-current-buffer
2481 (when (and wash-face-p
2482 (gnus-buffer-live-p gnus-original-article-buffer)
2483 (not (re-search-forward "^X-Face:[\t ]*" nil t)))
2484 ;; If type `W f', use gnus-original-article-buffer,
2485 ;; otherwise use the current buffer because displaying
2486 ;; RFC822 parts calls this function too.
2487 (set-buffer gnus-original-article-buffer))
2489 (mail-narrow-to-head)
2490 (and gnus-article-x-face-command
2492 ;; Check whether this face is censored.
2493 (not (and gnus-article-x-face-too-ugly
2495 (setq from (message-fetch-field "from")))
2496 (string-match gnus-article-x-face-too-ugly
2498 (while (gnus-article-goto-header "X-Face")
2499 (push (mail-header-field-value) x-faces)))))
2501 ;; We display the face.
2502 (cond ((functionp gnus-article-x-face-command)
2503 ;; The command is a lisp function, so we call it.
2504 (mapc gnus-article-x-face-command x-faces))
2505 ((stringp gnus-article-x-face-command)
2506 ;; The command is a string, so we interpret the command
2507 ;; as a, well, command, and fork it off.
2508 (let ((process-connection-type nil))
2509 (gnus-set-process-query-on-exit-flag
2511 "article-x-face" nil shell-file-name
2512 shell-command-switch gnus-article-x-face-command)
2514 ;; Sending multiple EOFs to xv doesn't work,
2515 ;; so we only do a single external face.
2517 (insert (car x-faces))
2518 (process-send-region "article-x-face"
2519 (point-min) (point-max)))
2520 (process-send-eof "article-x-face")))
2522 (error "`%s' set to `%s' is not a function"
2523 gnus-article-x-face-command
2524 'gnus-article-x-face-command)))))))))
2526 (defun article-decode-mime-words ()
2527 "Decode all MIME-encoded words in the article."
2529 (gnus-with-article-buffer
2530 (let ((inhibit-point-motion-hooks t)
2531 (mail-parse-charset gnus-newsgroup-charset)
2532 (mail-parse-ignored-charsets
2533 (with-current-buffer gnus-summary-buffer
2534 gnus-newsgroup-ignored-charsets)))
2535 (mail-decode-encoded-word-region (point-min) (point-max)))))
2537 (defun article-decode-charset (&optional prompt)
2538 "Decode charset-encoded text in the article.
2539 If PROMPT (the prefix), prompt for a coding system to use."
2541 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2542 (inhibit-read-only t)
2543 (mail-parse-charset gnus-newsgroup-charset)
2544 (mail-parse-ignored-charsets
2545 (save-excursion (condition-case nil
2546 (set-buffer gnus-summary-buffer)
2548 gnus-newsgroup-ignored-charsets))
2549 ct cte ctl charset format)
2552 (article-narrow-to-head)
2553 (setq ct (message-fetch-field "Content-Type" t)
2554 cte (message-fetch-field "Content-Transfer-Encoding" t)
2555 ctl (and ct (mail-header-parse-content-type ct))
2558 (mm-read-coding-system "Charset to decode: "))
2560 (mail-content-type-get ctl 'charset)))
2561 format (and ctl (mail-content-type-get ctl 'format)))
2563 (setq cte (mail-header-strip cte)))
2564 (if (and ctl (not (string-match "/" (car ctl))))
2566 (goto-char (point-max)))
2569 (narrow-to-region (point) (point-max))
2570 (when (and (eq mail-parse-charset 'gnus-decoded)
2571 (eq (mm-body-7-or-8) '8bit))
2572 ;; The text code could have been decoded.
2573 (setq charset mail-parse-charset))
2574 (when (and (or (not ctl)
2575 (equal (car ctl) "text/plain"))
2576 (not format)) ;; article with format will decode later.
2578 charset (and cte (intern (downcase
2579 (gnus-strip-whitespace cte))))
2582 (defun article-decode-encoded-words ()
2583 "Remove encoded-word encoding from headers."
2584 (let ((inhibit-point-motion-hooks t)
2585 (mail-parse-charset gnus-newsgroup-charset)
2586 (mail-parse-ignored-charsets
2587 (save-excursion (condition-case nil
2588 (set-buffer gnus-summary-buffer)
2590 gnus-newsgroup-ignored-charsets))
2591 (inhibit-read-only t)
2593 (goto-char (point-min))
2594 (when (search-forward "\n\n" nil 'move)
2601 (memq (char-after) '(?\t ? )))))
2602 (setq start (point))
2604 \\(?:Resent-\\)?\\(?:From\\|Cc\\|To\\|Bcc\\|\\(?:In-\\)?Reply-To\\|Sender\
2605 \\|Mail-Followup-To\\|Mail-Copies-To\\|Approved\\):")
2606 (funcall gnus-decode-address-function start end)
2607 (funcall gnus-decode-header-function start end))
2608 (goto-char (setq end start)))))
2610 (defun article-decode-group-name ()
2611 "Decode group names in Newsgroups, Followup-To and Xref headers."
2612 (let ((inhibit-point-motion-hooks t)
2613 (inhibit-read-only t)
2614 (method (gnus-find-method-for-group gnus-newsgroup-name))
2616 (when (and (or gnus-group-name-charset-method-alist
2617 gnus-group-name-charset-group-alist)
2618 (gnus-buffer-live-p gnus-original-article-buffer))
2620 (article-narrow-to-head)
2621 (dolist (header '("Newsgroups" "Followup-To" "Xref"))
2622 (with-current-buffer gnus-original-article-buffer
2623 (goto-char (point-min)))
2624 (setq regexp (concat "^" header
2625 ":\\([^\n]*\\(?:\n[\t ]+[^\n]+\\)*\\)\n"))
2626 (while (re-search-forward regexp nil t)
2627 (replace-match (save-match-data
2628 (gnus-decode-newsgroups
2629 ;; XXX how to use data in article buffer?
2630 (with-current-buffer gnus-original-article-buffer
2631 (re-search-forward regexp nil t)
2633 gnus-newsgroup-name method))
2635 (goto-char (point-min)))))))
2637 (autoload 'idna-to-unicode "idna")
2639 (defun article-decode-idna-rhs ()
2640 "Decode IDNA strings in RHS in various headers in current buffer.
2641 The following headers are decoded: From:, To:, Cc:, Reply-To:,
2642 Mail-Reply-To: and Mail-Followup-To:."
2645 (let ((inhibit-point-motion-hooks t)
2646 (inhibit-read-only t))
2647 (article-narrow-to-head)
2648 (goto-char (point-min))
2649 (while (re-search-forward "@[^ \t\n\r,>]*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2651 (when (save-match-data
2652 (and (setq ace (match-string 1))
2654 (and (re-search-backward "^[^ \t]" nil t)
2655 (looking-at "From\\|To\\|Cc\\|Reply-To\\|Mail-Reply-To\\|Mail-Followup-To")))
2656 (setq unicode (idna-to-unicode ace))))
2657 (unless (string= ace unicode)
2658 (replace-match unicode nil nil nil 1)))))))))
2660 (defun article-de-quoted-unreadable (&optional force read-charset)
2661 "Translate a quoted-printable-encoded article.
2662 If FORCE, decode the article whether it is marked as quoted-printable
2664 If READ-CHARSET, ask for a coding system."
2665 (interactive (list 'force current-prefix-arg))
2667 (let ((inhibit-read-only t) type charset)
2668 (if (gnus-buffer-live-p gnus-original-article-buffer)
2669 (with-current-buffer gnus-original-article-buffer
2671 (gnus-fetch-field "content-transfer-encoding"))
2672 (let* ((ct (gnus-fetch-field "content-type"))
2673 (ctl (and ct (mail-header-parse-content-type ct))))
2674 (setq charset (and ctl
2675 (mail-content-type-get ctl 'charset)))
2676 (if (stringp charset)
2677 (setq charset (intern (downcase charset)))))))
2679 (setq charset (mm-read-coding-system "Charset: " charset)))
2681 (setq charset gnus-newsgroup-charset))
2683 (and type (let ((case-fold-search t))
2684 (string-match "quoted-printable" type))))
2686 (quoted-printable-decode-region
2687 (point) (point-max) (mm-charset-to-coding-system charset))))))
2689 (defun article-de-base64-unreadable (&optional force read-charset)
2690 "Translate a base64 article.
2691 If FORCE, decode the article whether it is marked as base64 not.
2692 If READ-CHARSET, ask for a coding system."
2693 (interactive (list 'force current-prefix-arg))
2695 (let ((inhibit-read-only t) type charset)
2696 (if (gnus-buffer-live-p gnus-original-article-buffer)
2697 (with-current-buffer gnus-original-article-buffer
2699 (gnus-fetch-field "content-transfer-encoding"))
2700 (let* ((ct (gnus-fetch-field "content-type"))
2701 (ctl (and ct (mail-header-parse-content-type ct))))
2702 (setq charset (and ctl
2703 (mail-content-type-get ctl 'charset)))
2704 (if (stringp charset)
2705 (setq charset (intern (downcase charset)))))))
2707 (setq charset (mm-read-coding-system "Charset: " charset)))
2709 (setq charset gnus-newsgroup-charset))
2711 (and type (let ((case-fold-search t))
2712 (string-match "base64" type))))
2715 (narrow-to-region (point) (point-max))
2716 (base64-decode-region (point-min) (point-max))
2717 (mm-decode-coding-region
2718 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2723 (defun article-decode-HZ ()
2724 "Translate a HZ-encoded article."
2728 (let ((inhibit-read-only t))
2729 (rfc1843-decode-region (point-min) (point-max)))))
2731 (defun article-unsplit-urls ()
2732 "Remove the newlines that some other mailers insert into URLs."
2735 (let ((inhibit-read-only t))
2736 (goto-char (point-min))
2737 (while (re-search-forward
2738 "\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2739 (replace-match "\\1\\3" t)))
2740 (when (interactive-p)
2741 (gnus-treat-article nil))))
2743 (defun article-wash-html ()
2744 "Format an HTML article."
2747 (buffer-read-only nil))
2748 (when (gnus-buffer-live-p gnus-original-article-buffer)
2749 (setq handles (mm-dissect-buffer t t)))
2751 (delete-region (point) (point-max))
2752 (mm-inline-text-html handles)))
2754 (defvar gnus-article-browse-html-temp-list nil
2755 "List of temporary files created by `gnus-article-browse-html-parts'.
2756 Internal variable.")
2758 (defcustom gnus-article-browse-delete-temp 'ask
2759 "What to do with temporary files from `gnus-article-browse-html-parts'.
2760 If nil, don't delete temporary files. If it is t, delete them on
2761 exit from the summary buffer. If it is the symbol `file', query
2762 on each file, if it is `ask' ask once when exiting from the
2764 :group 'gnus-article
2765 :version "23.1" ;; No Gnus
2766 :type '(choice (const :tag "Don't delete" nil)
2767 (const :tag "Don't ask" t)
2768 (const :tag "Ask" ask)
2769 (const :tag "Ask for each file" file)))
2771 ;; Cf. mm-postponed-undisplay-list / mm-destroy-postponed-undisplay-list.
2773 (defun gnus-article-browse-delete-temp-files (&optional how)
2774 "Delete temp-files created by `gnus-article-browse-html-parts'."
2775 (when (and gnus-article-browse-html-temp-list
2777 (or how (setq how gnus-article-browse-delete-temp))
2779 (let ((files (length gnus-article-browse-html-temp-list)))
2780 (gnus-y-or-n-p (format
2781 "Delete all %s temporary HTML file%s? "
2783 (if (> files 1) "s" ""))))
2785 (dolist (file gnus-article-browse-html-temp-list)
2786 (cond ((file-directory-p file)
2787 (when (or (not (eq how 'file))
2790 "Delete temporary HTML file(s) in directory `%s'? "
2791 (file-name-as-directory file))))
2792 (gnus-delete-directory file)))
2793 ((file-exists-p file)
2794 (when (or (not (eq how 'file))
2796 (format "Delete temporary HTML file `%s'? " file)))
2797 (delete-file file)))))
2798 ;; Also remove file from the list when not deleted or if file doesn't
2800 (setq gnus-article-browse-html-temp-list nil))
2801 gnus-article-browse-html-temp-list)
2803 (defun gnus-article-browse-html-save-cid-content (cid handles directory)
2804 "Find CID content in HANDLES and save it in a file in DIRECTORY.
2809 (dolist (handle handles)
2811 ((not (listp handle)))
2812 ((equal (mm-handle-media-supertype handle) "multipart")
2813 (when (setq file (gnus-article-browse-html-save-cid-content
2814 cid handle directory))
2815 (throw 'found file)))
2816 ((equal (concat "<" cid ">") (mm-handle-id handle))
2819 (or (mail-content-type-get
2820 (mm-handle-disposition handle) 'filename)
2821 (mail-content-type-get
2822 (setq type (mm-handle-type handle)) 'name)
2824 (make-temp-name "cid")
2825 (car (rassoc (car type) mailcap-mime-extensions))))
2827 (mm-save-part-to-file handle file)
2828 (throw 'found file))))))))
2830 (defun gnus-article-browse-html-parts (list &optional header)
2831 "View all \"text/html\" parts from LIST.
2832 Recurse into multiparts. The optional HEADER that should be a decoded
2833 message header will be added to the bodies of the \"text/html\" parts."
2834 ;; Internal function used by `gnus-article-browse-html-article'.
2835 (let (type file charset content cid-dir tmp-file showed)
2836 ;; Find and show the html-parts.
2837 (dolist (handle list)
2838 ;; If HTML, show it:
2839 (cond ((not (listp handle)))
2840 ((or (equal (car (setq type (mm-handle-type handle))) "text/html")
2841 (and (equal (car type) "message/external-body")
2843 (setq file (or (mail-content-type-get type 'name)
2844 (mail-content-type-get
2845 (mm-handle-disposition handle)
2847 (or (mm-handle-cache handle)
2848 (condition-case code
2849 (progn (mm-extern-cache-contents handle) t)
2851 (gnus-message 3 "%s" (error-message-string code))
2852 (when (>= gnus-verbose 3) (sit-for 2))
2855 (setq handle (mm-handle-cache handle)
2856 type (mm-handle-type handle))
2857 (equal (car type) "text/html"))))
2858 (setq charset (mail-content-type-get type 'charset)
2859 content (mm-get-part handle))
2861 (if (eq charset 'gnus-decoded)
2862 (mm-enable-multibyte)
2863 (mm-disable-multibyte))
2865 ;; resolve cid contents
2866 (let ((case-fold-search t)
2868 (goto-char (point-min))
2869 (while (re-search-forward "\
2870 <img[\t\n ]+\\(?:[^\t\n >]+[\t\n ]+\\)*src=\"\\(cid:\\([^\"]+\\)\\)\""
2873 (setq cid-dir (mm-make-temp-file "cid" t))
2874 (add-to-list 'gnus-article-browse-html-temp-list cid-dir))
2877 (when (setq cid-file
2878 (gnus-article-browse-html-save-cid-content
2880 (with-current-buffer gnus-article-buffer
2881 gnus-article-mime-handles)
2883 (replace-match (concat "file://" cid-file)
2885 (unless content (setq content (buffer-string))))
2886 (when (or charset header (not file))
2887 (setq tmp-file (mm-make-temp-file
2888 ;; Do we need to care for 8.3 filenames?
2889 "mm-" nil ".html")))
2890 ;; Add a meta html tag to specify charset and a header.
2893 (let (title eheader body hcharset coding force-charset)
2895 (mm-enable-multibyte)
2896 (setq case-fold-search t)
2897 (insert header "\n")
2898 (setq title (message-fetch-field "subject"))
2899 (goto-char (point-min))
2900 (while (re-search-forward "\\(<\\)\\|\\(>\\)\\|&" nil t)
2901 (replace-match (cond ((match-beginning 1) "<")
2902 ((match-beginning 2) ">")
2904 (goto-char (point-min))
2906 (goto-char (point-max))
2907 (insert "</pre>\n<hr>\n")
2908 ;; We have to examine charset one by one since
2909 ;; charset specified in parts might be different.
2910 (if (eq charset 'gnus-decoded)
2911 (setq charset 'utf-8
2912 eheader (mm-encode-coding-string (buffer-string)
2915 (mm-encode-coding-string title charset))
2916 body (mm-encode-coding-string content charset)
2918 (setq hcharset (mm-find-mime-charset-region (point-min)
2920 (cond ((= (length hcharset) 1)
2921 (setq hcharset (car hcharset)
2922 coding (mm-charset-to-coding-system
2924 ((> (length hcharset) 1)
2925 (setq hcharset 'utf-8
2931 (mm-charset-to-coding-system charset))
2932 (if (eq coding body)
2933 (setq eheader (mm-encode-coding-string
2934 (buffer-string) coding)
2936 (mm-encode-coding-string
2939 (setq charset 'utf-8
2940 eheader (mm-encode-coding-string
2941 (buffer-string) charset)
2943 (mm-encode-coding-string
2945 body (mm-encode-coding-string
2946 (mm-decode-coding-string
2950 (setq charset hcharset
2951 eheader (mm-encode-coding-string
2952 (buffer-string) coding)
2954 (mm-encode-coding-string
2957 (setq eheader (mm-string-as-unibyte (buffer-string))
2960 (mm-disable-multibyte)
2963 (mm-add-meta-html-tag handle charset force-charset))
2965 (goto-char (point-min))
2966 (unless (search-forward "<title>" nil t)
2967 (re-search-forward "<head>\\s-*" nil t)
2968 (insert "<title>" title "</title>\n")))
2969 (goto-char (point-min))
2970 (or (re-search-forward
2971 "<body\\(?:\\s-+[^>]+\\|\\s-*\\)>\\s-*" nil t)
2973 "</head\\(?:\\s-+[^>]+\\|\\s-*\\)>\\s-*" nil t))
2975 (mm-write-region (point-min) (point-max)
2976 tmp-file nil nil nil 'binary t))))
2978 (mm-with-unibyte-buffer
2979 (insert (if (eq charset 'gnus-decoded)
2980 (mm-encode-coding-string content
2981 (setq charset 'utf-8))
2983 (if (or (mm-add-meta-html-tag handle charset)
2985 (mm-write-region (point-min) (point-max)
2986 tmp-file nil nil nil 'binary t)
2987 (setq tmp-file nil))))
2989 (mm-save-part-to-file handle tmp-file)))
2991 (add-to-list 'gnus-article-browse-html-temp-list tmp-file))
2992 (add-hook 'gnus-summary-prepare-exit-hook
2993 'gnus-article-browse-delete-temp-files)
2994 (add-hook 'gnus-exit-gnus-hook
2996 (gnus-article-browse-delete-temp-files t)))
2997 ;; FIXME: Warn if there's an <img> tag?
2998 (browse-url-of-file (or tmp-file (expand-file-name file)))
3000 ;; If multipart, recurse
3001 ((equal (mm-handle-media-supertype handle) "multipart")
3002 (when (gnus-article-browse-html-parts handle header)
3004 ((equal (mm-handle-media-type handle) "message/rfc822")
3005 (mm-with-multibyte-buffer
3006 (mm-insert-part handle)
3007 (setq handle (mm-dissect-buffer t t))
3008 (when (and (bufferp (car handle))
3009 (stringp (car (mm-handle-type handle))))
3010 (setq handle (list handle)))
3012 (article-decode-encoded-words)
3013 (let ((gnus-visible-headers
3014 (or (get 'gnus-visible-headers 'standard-value)
3015 gnus-visible-headers)))
3016 (article-hide-headers))
3017 (goto-char (point-min))
3018 (search-forward "\n\n" nil 'move)
3019 (skip-chars-backward "\t\n ")
3020 (setq header (buffer-substring (point-min) (point)))))
3022 (gnus-article-browse-html-parts handle header)
3023 (mm-destroy-parts handle))
3027 (defun gnus-article-browse-html-article (&optional arg)
3028 "View \"text/html\" parts of the current article with a WWW browser.
3029 Inline images embedded in a message using the cid scheme, as they are
3030 generally considered to be safe, will be processed properly.
3031 The message header is added to the beginning of every html part unless
3032 the prefix argument ARG is given.
3034 Warning: Spammers use links to images (using the http scheme) in HTML
3035 articles to verify whether you have read the message. As
3036 `gnus-article-browse-html-article' passes the HTML content to the
3037 browser without eliminating these \"web bugs\" you should only
3038 use it for mails from trusted senders.
3040 If you always want to display HTML parts in the browser, set
3041 `mm-text-html-renderer' to nil.
3043 This command creates temporary files to pass HTML contents including
3044 images if any to the browser, and deletes them when exiting the group
3046 ;; Cf. `mm-w3m-safe-url-regexp'
3049 (gnus-summary-show-article)
3050 (let ((gnus-visible-headers (or (get 'gnus-visible-headers 'standard-value)
3051 gnus-visible-headers))
3052 ;; As we insert a <hr>, there's no need for the body boundary.
3053 (gnus-treat-body-boundary nil))
3054 (gnus-summary-show-article)))
3055 (with-current-buffer gnus-article-buffer
3056 (let ((header (unless arg
3059 (buffer-substring-no-properties
3060 (goto-char (point-min))
3061 (if (search-forward "\n\n" nil t)
3063 (goto-char (point-max))
3064 (skip-chars-backward "\t\n ")
3067 (set-buffer gnus-original-article-buffer)
3068 (setq parts (mm-dissect-buffer t t))
3069 ;; If singlepart, enforce a list.
3070 (when (and (bufferp (car parts))
3071 (stringp (car (mm-handle-type parts))))
3072 (setq parts (list parts)))
3074 (unless (gnus-article-browse-html-parts parts header)
3075 (gnus-error 3 "Mail doesn't contain a \"text/html\" part!"))
3076 (mm-destroy-parts parts)
3078 (gnus-summary-show-article)))))
3080 (defun article-hide-list-identifiers ()
3081 "Remove list identifies from the Subject header.
3082 The `gnus-list-identifiers' variable specifies what to do."
3084 (let ((inhibit-point-motion-hooks t)
3085 (regexp (if (consp gnus-list-identifiers)
3086 (mapconcat 'identity gnus-list-identifiers " *\\|")
3087 gnus-list-identifiers))
3088 (inhibit-read-only t))
3092 (article-narrow-to-head)
3093 (goto-char (point-min))
3094 (while (re-search-forward
3095 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
3097 (delete-region (match-beginning 2) (match-end 0))
3098 (beginning-of-line))
3099 (when (re-search-forward
3100 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
3101 (delete-region (match-beginning 1) (match-end 1))))))))
3103 (defun article-hide-pem (&optional arg)
3104 "Toggle hiding of any PEM headers and signatures in the current article.
3105 If given a negative prefix, always show; if given a positive prefix,
3107 (interactive (gnus-article-hidden-arg))
3108 (unless (gnus-article-check-hidden-text 'pem arg)
3110 (let ((inhibit-read-only t) end)
3111 (goto-char (point-min))
3112 ;; Hide the horrendously ugly "header".
3113 (when (and (search-forward
3114 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
3116 (setq end (1+ (match-beginning 0))))
3117 (gnus-add-wash-type 'pem)
3118 (gnus-article-hide-text-type
3120 (if (search-forward "\n\n" nil t)
3124 ;; Hide the trailer as well
3125 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
3127 (gnus-article-hide-text-type
3128 (match-beginning 0) (match-end 0) 'pem)))))))
3130 (defun article-strip-banner ()
3131 "Strip the banners specified by the `banner' group parameter and by
3132 `gnus-article-address-banner-alist'."
3136 (let ((inhibit-point-motion-hooks t))
3137 (when (gnus-parameter-banner gnus-newsgroup-name)
3138 (article-really-strip-banner
3139 (gnus-parameter-banner gnus-newsgroup-name)))
3140 (when gnus-article-address-banner-alist
3141 ;; Note that the From header is decoded here, so it is
3142 ;; required that the *-extract-address-components function
3143 ;; supports non-ASCII text.
3144 (let ((from (save-restriction
3146 (article-narrow-to-head)
3147 (mail-fetch-field "from"))))
3150 (cadr (funcall gnus-extract-address-components
3153 (dolist (pair gnus-article-address-banner-alist)
3154 (when (string-match (car pair) from)
3156 (article-really-strip-banner (cdr pair)))))))))))))
3158 (defun article-really-strip-banner (banner)
3159 "Strip the banner specified by the argument."
3162 (let ((inhibit-point-motion-hooks t)
3163 (gnus-signature-limit nil)
3164 (inhibit-read-only t))
3167 ((eq banner 'signature)
3168 (when (gnus-article-narrow-to-signature)
3171 (delete-region (point) (point-max))))
3173 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
3174 (while (re-search-forward banner nil t)
3175 (delete-region (match-beginning 0) (match-end 0)))))
3177 (while (re-search-forward banner nil t)
3178 (delete-region (match-beginning 0) (match-end 0)))))))))
3180 (defun article-babel ()
3181 "Translate article using an online translation service."
3184 (gnus-with-article-buffer
3185 (when (article-goto-body)
3186 (let* ((start (point))
3188 (orig (buffer-substring start end))
3189 (trans (babel-as-string orig)))
3191 (narrow-to-region start end)
3192 (delete-region start end)
3195 (defun article-hide-signature (&optional arg)
3196 "Hide the signature in the current article.
3197 If given a negative prefix, always show; if given a positive prefix,
3199 (interactive (gnus-article-hidden-arg))
3200 (unless (gnus-article-check-hidden-text 'signature arg)
3203 (let ((inhibit-read-only t))
3204 (when (gnus-article-narrow-to-signature)
3205 (gnus-article-hide-text-type
3206 (point-min) (point-max) 'signature))))))
3207 (gnus-set-mode-line 'article))
3209 (defun article-strip-headers-in-body ()
3210 "Strip offensive headers from bodies."
3214 (let ((case-fold-search t))
3215 (when (looking-at "x-no-archive:")
3216 (gnus-delete-line)))))
3218 (defun article-strip-leading-blank-lines ()
3219 "Remove all blank lines from the beginning of the article."
3222 (let ((inhibit-point-motion-hooks t)
3223 (inhibit-read-only t))
3224 (when (article-goto-body)
3225 (while (and (not (eobp))
3226 (looking-at "[ \t]*$"))
3227 (gnus-delete-line))))))
3229 (defun article-narrow-to-head ()
3230 "Narrow the buffer to the head of the message.
3231 Point is left at the beginning of the narrowed-to region."
3233 (goto-char (point-min))
3234 (if (search-forward "\n\n" nil 1)
3237 (goto-char (point-min)))
3239 (defun article-goto-body ()
3240 "Place point at the start of the body."
3241 (goto-char (point-min))
3243 ;; This variable is only bound when dealing with separate
3245 (article-goto-body-goes-to-point-min-p
3247 ((search-forward "\n\n" nil t)
3250 (goto-char (point-max))
3253 (defun article-strip-multiple-blank-lines ()
3254 "Replace consecutive blank lines with one empty line."
3257 (let ((inhibit-point-motion-hooks t)
3258 (inhibit-read-only t))
3259 ;; First make all blank lines empty.
3261 (while (re-search-forward "^[ \t]+$" nil t)
3262 (unless (gnus-annotation-in-region-p
3263 (match-beginning 0) (match-end 0))
3264 (replace-match "" nil t)))
3265 ;; Then replace multiple empty lines with a single empty line.
3267 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
3268 (unless (gnus-annotation-in-region-p
3269 (match-beginning 0) (match-end 0))
3270 (delete-region (match-beginning 1) (match-end 1)))))))
3272 (defun article-strip-leading-space ()
3273 "Remove all white space from the beginning of the lines in the article."
3276 (let ((inhibit-point-motion-hooks t)
3277 (inhibit-read-only t))
3279 (while (re-search-forward "^[ \t]+" nil t)
3280 (replace-match "" t t)))))
3282 (defun article-strip-trailing-space ()
3283 "Remove all white space from the end of the lines in the article."
3286 (let ((inhibit-point-motion-hooks t)
3287 (inhibit-read-only t))
3289 (while (re-search-forward "[ \t]+$" nil t)
3290 (replace-match "" t t)))))
3292 (defun article-strip-blank-lines ()
3293 "Strip leading, trailing and multiple blank lines."
3295 (article-strip-leading-blank-lines)
3296 (article-remove-trailing-blank-lines)
3297 (article-strip-multiple-blank-lines))
3299 (defun article-strip-all-blank-lines ()
3300 "Strip all blank lines."
3303 (let ((inhibit-point-motion-hooks t)
3304 (inhibit-read-only t))
3306 (while (re-search-forward "^[ \t]*\n" nil t)
3307 (replace-match "" t t)))))
3309 (defun gnus-article-narrow-to-signature ()
3310 "Narrow to the signature; return t if a signature is found, else nil."
3311 (let ((inhibit-point-motion-hooks t))
3312 (when (gnus-article-search-signature)
3314 ;; Check whether we have some limits to what we consider
3315 ;; to be a signature.
3316 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
3317 (list gnus-signature-limit)))
3319 (while (setq limit (pop limits))
3320 (if (or (and (integerp limit)
3321 (< (- (point-max) (point)) limit))
3323 (< (count-lines (point) (point-max)) limit))
3324 (and (functionp limit)
3326 (and (stringp limit)
3327 (not (re-search-forward limit nil t))))
3328 () ; This limit did not succeed.
3332 (narrow-to-region (point) (point-max))
3335 (defun gnus-article-search-signature ()
3336 "Search the current buffer for the signature separator.
3337 Put point at the beginning of the signature separator."
3338 (let ((cur (point)))
3339 (goto-char (point-max))
3340 (if (if (stringp gnus-signature-separator)
3341 (re-search-backward gnus-signature-separator nil t)
3342 (let ((seps gnus-signature-separator))
3344 (not (re-search-backward (car seps) nil t)))
3351 (defun gnus-article-hidden-arg ()
3352 "Return the current prefix arg as a number, or 0 if no prefix."
3353 (list (if current-prefix-arg
3354 (prefix-numeric-value current-prefix-arg)
3357 (defun gnus-article-check-hidden-text (type arg)
3358 "Return nil if hiding is necessary.
3359 Arg can be nil or a number. nil and positive means hide, negative
3360 means show, 0 means toggle."
3363 (let ((hide (gnus-article-hidden-text-p type)))
3369 (gnus-article-show-hidden-text type)
3372 (if (eq hide 'hidden)
3374 (gnus-article-show-hidden-text type)
3378 (defun gnus-article-hidden-text-p (type)
3379 "Say whether the current buffer contains hidden text of type TYPE."
3380 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
3382 (not (get-text-property pos 'invisible))
3383 (not (get-text-property pos 'dummy-invisible)))
3385 (text-property-any (1+ pos) (point-max) 'article-type type)))
3390 (defun gnus-article-show-hidden-text (type &optional dummy)
3391 "Show all hidden text of type TYPE.
3392 Originally it is hide instead of DUMMY."
3393 (let ((inhibit-read-only t)
3394 (inhibit-point-motion-hooks t))
3395 (gnus-remove-text-properties-when
3397 (point-min) (point-max)
3398 (cons 'article-type (cons type
3399 gnus-hidden-properties)))
3400 (gnus-delete-wash-type type)))
3402 (defconst article-time-units
3403 `((year . ,(* 365.25 24 60 60))
3404 (week . ,(* 7 24 60 60))
3405 (day . ,(* 24 60 60))
3409 "Mapping from time units to seconds.")
3411 (defun gnus-article-forward-header ()
3412 "Move point to the start of the next header.
3413 If the current header is a continuation header, this can be several
3418 (if (looking-at "[ \t]+[^ \t]")
3422 (defun article-date-ut (&optional type highlight)
3423 "Convert DATE date to universal time in the current article.
3424 If TYPE is `local', convert to local time; if it is `lapsed', output
3425 how much time has lapsed since DATE. For `lapsed', the value of
3426 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
3427 should replace the \"Date:\" one, or should be added below it."
3428 (interactive (list 'ut t))
3429 (let* ((tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
3430 (date-regexp (cond ((not gnus-article-date-lapsed-new-header)
3434 (article-lapsed-timer
3438 (case-fold-search t)
3439 (inhibit-read-only t)
3440 (inhibit-point-motion-hooks t)
3441 pos date bface eface)
3445 (goto-char (point-min))
3446 (while (or (setq date (get-text-property (setq pos (point))
3448 (when (setq pos (next-single-property-change
3449 (point) 'original-date))
3450 (setq date (get-text-property pos 'original-date))
3453 pos (if (setq pos (text-property-any pos (point-max)
3454 'original-date nil))
3457 (if (or (bolp) (eobp))
3461 (goto-char (point-min))
3462 (when (re-search-forward tdate-regexp nil t)
3463 (setq bface (get-text-property (point-at-bol) 'face)
3464 eface (get-text-property (1- (point-at-eol)) 'face)))
3465 (goto-char (point-min))
3467 ;; Delete any old Date headers.
3468 (while (re-search-forward date-regexp nil t)
3470 (delete-region (point-at-bol) (progn
3471 (gnus-article-forward-header)
3473 (delete-region (point-at-bol) (progn
3474 (gnus-article-forward-header)
3477 (setq pos (point))))
3478 (when (and (not pos)
3479 (re-search-forward tdate-regexp nil t))
3481 (gnus-goto-char pos)
3482 (insert (article-make-date-line date (or type 'ut)))
3488 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
3489 (put-text-property (match-beginning 1) (1+ (match-end 1))
3491 (put-text-property (match-beginning 2) (match-end 2)
3493 (put-text-property (point-min) (1- (point-max)) 'original-date date)
3494 (goto-char (point-max))
3497 (defun article-make-date-line (date type)
3498 "Return a DATE line of TYPE."
3499 (unless (memq type '(local ut original user iso8601 lapsed english))
3500 (error "Unknown conversion type: %s" type))
3502 (let ((time (date-to-time date)))
3504 ;; Convert to the local timezone.
3506 (concat "Date: " (message-make-date time)))
3507 ;; Convert to Universal Time.
3512 (let* ((e (parse-time-string date))
3513 (tm (apply 'encode-time e))
3515 (ls (- (cadr tm) (car (current-time-zone time)))))
3516 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
3517 ((> ls 65535) (list (1+ ms) (- ls 65536)))
3521 ;; Get the original date from the article.
3522 ((eq type 'original)
3523 (concat "Date: " (if (string-match "\n+$" date)
3524 (substring date 0 (match-beginning 0))
3526 ;; Let the user define the format.
3528 (let ((format (or (condition-case nil
3529 (with-current-buffer gnus-summary-buffer
3530 gnus-article-time-format)
3532 gnus-article-time-format)))
3533 (if (functionp format)
3534 (funcall format time)
3535 (concat "Date: " (format-time-string format time)))))
3538 (let ((tz (car (current-time-zone time))))
3541 (format-time-string "%Y%m%dT%H%M%S" time)
3542 (format "%s%02d%02d"
3543 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3544 (/ (% (abs tz) 3600) 60)))))
3545 ;; Do an X-Sent lapsed format.
3547 ;; If the date is seriously mangled, the timezone functions are
3548 ;; liable to bug out, so we ignore all errors.
3549 (let* ((now (current-time))
3550 (real-time (subtract-time now time))
3551 (real-sec (and real-time
3552 (+ (* (float (car real-time)) 65536)
3554 (sec (and real-time (abs real-sec)))
3564 ;; This is a bit convoluted, but basically we go
3565 ;; through the time units for years, weeks, etc,
3566 ;; and divide things to see whether that results
3567 ;; in positive answers.
3570 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
3571 ;; The (remaining) seconds are too few to
3572 ;; be divided into this time unit.
3574 ;; It's big enough, so we output it.
3575 (setq sec (- sec (* num (cdr unit))))
3577 (concat (if prev ", " "") (int-to-string
3579 " " (symbol-name (car unit))
3580 (if (> num 1) "s" ""))
3582 article-time-units "")
3583 ;; If dates are odd, then it might appear like the
3584 ;; article was sent in the future.
3587 " in the future"))))))
3588 ;; Display the date in proper English
3590 (let ((dtime (decode-time time)))
3593 (number-to-string (nth 3 dtime))
3594 (let ((digit (% (nth 3 dtime) 10)))
3596 ((memq (nth 3 dtime) '(11 12 13)) "th")
3602 (nth (1- (nth 4 dtime)) gnus-english-month-names)
3604 (number-to-string (nth 5 dtime))
3606 (format "%02d" (nth 2 dtime))
3608 (format "%02d" (nth 1 dtime)))))))
3610 (format "Date: %s (from Gnus)" date))))
3612 (defun article-date-local (&optional highlight)
3613 "Convert the current article date to the local timezone."
3614 (interactive (list t))
3615 (article-date-ut 'local highlight))
3617 (defun article-date-english (&optional highlight)
3618 "Convert the current article date to something that is proper English."
3619 (interactive (list t))
3620 (article-date-ut 'english highlight))
3622 (defun article-date-original (&optional highlight)
3623 "Convert the current article date to what it was originally.
3624 This is only useful if you have used some other date conversion
3625 function and want to see what the date was before converting."
3626 (interactive (list t))
3627 (article-date-ut 'original highlight))
3629 (defun article-date-lapsed (&optional highlight)
3630 "Convert the current article date to time lapsed since it was sent."
3631 (interactive (list t))
3632 (article-date-ut 'lapsed highlight))
3634 (defun article-update-date-lapsed ()
3635 "Function to be run from a timer to update the lapsed time line."
3637 (let (deactivate-mark)
3642 (set-buffer (window-buffer w))
3643 (when (eq major-mode 'gnus-article-mode)
3644 (let ((mark (point-marker)))
3645 (goto-char (point-min))
3646 (when (re-search-forward "^X-Sent:" nil t)
3647 (article-date-lapsed t))
3648 (goto-char (marker-position mark))
3649 (move-marker mark nil))))
3652 (defun gnus-start-date-timer (&optional n)
3653 "Start a timer to update the X-Sent header in the article buffers.
3654 The numerical prefix says how frequently (in seconds) the function
3659 (gnus-stop-date-timer)
3660 (setq article-lapsed-timer
3661 (run-at-time 1 n 'article-update-date-lapsed)))
3663 (defun gnus-stop-date-timer ()
3664 "Stop the X-Sent timer."
3666 (when article-lapsed-timer
3667 (nnheader-cancel-timer article-lapsed-timer)
3668 (setq article-lapsed-timer nil)))
3670 (defun article-date-user (&optional highlight)
3671 "Convert the current article date to the user-defined format.
3672 This format is defined by the `gnus-article-time-format' variable."
3673 (interactive (list t))
3674 (article-date-ut 'user highlight))
3676 (defun article-date-iso8601 (&optional highlight)
3677 "Convert the current article date to ISO8601."
3678 (interactive (list t))
3679 (article-date-ut 'iso8601 highlight))
3681 (defmacro gnus-article-save-original-date (&rest forms)
3682 "Save the original date as a text property and evaluate FORMS."
3683 `(let* ((case-fold-search t)
3685 (goto-char (point-min))
3686 (when (and (re-search-forward "^date:[\t\n ]+" nil t)
3689 (date (when (and start
3690 (re-search-forward "[\t ]*\n\\(?:[^\t ]\\|\\'\\)"
3692 (buffer-substring-no-properties start
3693 (match-beginning 0)))))
3694 (goto-char (point-max))
3695 (skip-chars-backward "\n")
3696 (put-text-property (point-min) (point) 'original-date date)
3698 (goto-char (point-max))
3699 (skip-chars-backward "\n")
3700 (put-text-property (point-min) (point) 'original-date date)))
3702 ;; (defun article-show-all ()
3703 ;; "Show all hidden text in the article buffer."
3706 ;; (let ((inhibit-read-only t))
3707 ;; (gnus-article-unhide-text (point-min) (point-max)))))
3709 (defun article-remove-leading-whitespace ()
3710 "Remove excessive whitespace from all headers."
3714 (let ((inhibit-read-only t))
3715 (article-narrow-to-head)
3716 (goto-char (point-min))
3717 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3718 (delete-region (match-beginning 1) (match-end 1)))))))
3720 (defun article-emphasize (&optional arg)
3721 "Emphasize text according to `gnus-emphasis-alist'."
3722 (interactive (gnus-article-hidden-arg))
3723 (unless (gnus-article-check-hidden-text 'emphasis arg)
3727 (with-current-buffer gnus-summary-buffer
3728 gnus-article-emphasis-alist)
3730 gnus-emphasis-alist))
3731 (inhibit-read-only t)
3732 (props (append '(article-type emphasis)
3733 gnus-hidden-properties))
3734 regexp elem beg invisible visible face)
3737 (while (setq elem (pop alist))
3739 (setq regexp (car elem)
3740 invisible (nth 1 elem)
3741 visible (nth 2 elem)
3743 (while (re-search-forward regexp nil t)
3744 (when (and (match-beginning visible) (match-beginning invisible))
3745 (gnus-article-hide-text
3746 (match-beginning invisible) (match-end invisible) props)
3747 (gnus-article-unhide-text-type
3748 (match-beginning visible) (match-end visible) 'emphasis)
3749 (gnus-put-overlay-excluding-newlines
3750 (match-beginning visible) (match-end visible) 'face face)
3751 (gnus-add-wash-type 'emphasis)
3752 (goto-char (match-end invisible)))))))))
3754 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3755 "Setup newsgroup emphasis alist."
3756 (unless gnus-article-emphasis-alist
3757 (let ((name (and gnus-newsgroup-name
3758 (gnus-group-real-name gnus-newsgroup-name))))
3759 (make-local-variable 'gnus-article-emphasis-alist)
3760 (setq gnus-article-emphasis-alist
3762 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3763 (while (setq elem (pop alist))
3764 (when (and name (string-match (car elem) name))
3766 highlight (copy-sequence (cdr elem)))))
3768 (copy-sequence highlight-words)
3769 (if gnus-newsgroup-name
3770 (copy-sequence (gnus-group-find-parameter
3771 gnus-newsgroup-name 'highlight-words t)))
3772 gnus-emphasis-alist)))))
3774 (defvar gnus-summary-article-menu)
3775 (defvar gnus-summary-post-menu)
3777 ;;; Saving functions.
3779 (defun gnus-article-save (save-buffer file &optional num)
3780 "Save the currently selected article."
3781 (when (or (get gnus-default-article-saver :headers)
3782 (not gnus-save-all-headers))
3783 ;; Remove headers according to `gnus-saved-headers' or the value
3784 ;; of the `:headers' property that the saver function might have.
3785 (let ((gnus-visible-headers
3786 (or (symbol-value (get gnus-default-article-saver :headers))
3787 gnus-saved-headers gnus-visible-headers))
3788 ;; Ignore group parameter. See `article-hide-headers'.
3789 (gnus-summary-buffer nil))
3790 (with-current-buffer save-buffer
3791 (article-hide-headers 1 t))))
3792 (save-window-excursion
3793 (if (not gnus-default-article-saver)
3794 (error "No default saver is defined")
3795 ;; !!! Magic! The saving functions all save
3796 ;; `gnus-save-article-buffer' (or so they think), but we
3797 ;; bind that variable to our save-buffer.
3798 (set-buffer gnus-article-buffer)
3799 (let* ((gnus-save-article-buffer save-buffer)
3802 ((not gnus-prompt-before-saving) 'default)
3803 ((eq gnus-prompt-before-saving 'always) nil)
3805 (gnus-number-of-articles-to-be-saved
3806 (when (eq gnus-prompt-before-saving t)
3808 (set-buffer gnus-article-current-summary)
3809 (funcall gnus-default-article-saver filename)))))
3811 (defun gnus-read-save-file-name (prompt &optional filename
3812 function group headers variable
3815 (funcall function group headers (symbol-value variable)))
3820 ((eq filename 'default)
3826 (when (symbol-value dir-var)
3827 (setq default-name (expand-file-name
3828 (file-name-nondirectory default-name)
3829 (symbol-value dir-var))))
3830 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3833 (if (and gnus-number-of-articles-to-be-saved
3834 (> gnus-number-of-articles-to-be-saved 1))
3835 (format "these %d articles"
3836 gnus-number-of-articles-to-be-saved)
3839 ;; Let the split methods have their say.
3841 ;; No split name was found.
3844 (concat prompt " (default "
3845 (file-name-nondirectory default-name) "): ")
3846 (file-name-directory default-name)
3848 ;; A single group name is returned.
3849 ((stringp split-name)
3851 (funcall function split-name headers
3852 (symbol-value variable)))
3854 (concat prompt " (default "
3855 (file-name-nondirectory default-name) "): ")
3856 (file-name-directory default-name)
3858 ;; A single split name was found
3859 ((= 1 (length split-name))
3860 (let* ((name (expand-file-name
3862 gnus-article-save-directory))
3863 (dir (cond ((file-directory-p name)
3864 (file-name-as-directory name))
3865 ((file-exists-p name) name)
3866 (t gnus-article-save-directory))))
3868 (concat prompt " (default " name "): ")
3870 ;; A list of splits was found.
3872 (setq split-name (nreverse split-name))
3874 (let ((file-name-history
3875 (nconc split-name file-name-history)))
3879 (concat prompt " (`M-p' for defaults): ")
3880 gnus-article-save-directory
3882 gnus-article-save-directory)))
3883 (car (push result file-name-history)))))))
3884 ;; Create the directory.
3885 (gnus-make-directory (file-name-directory file))
3886 ;; If we have read a directory, we append the default file name.
3887 (when (file-directory-p file)
3888 (setq file (expand-file-name (file-name-nondirectory
3890 (file-name-as-directory file))))
3891 ;; Possibly translate some characters.
3892 (nnheader-translate-file-chars file))))))
3893 (gnus-make-directory (file-name-directory result))
3895 (set variable result))
3897 (set dir-var (file-name-directory result)))
3900 (defun gnus-article-archive-name (group)
3901 "Return the first instance of an \"Archive-name\" in the current buffer."
3902 (let ((case-fold-search t))
3903 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3904 (nnheader-concat gnus-article-save-directory
3905 (match-string 1)))))
3907 (defun gnus-article-nndoc-name (group)
3908 "If GROUP is an nndoc group, return the name of the parent group."
3909 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3910 (gnus-group-get-parameter group 'save-article-group)))
3912 (defun gnus-summary-save-in-rmail (&optional filename)
3913 "Append this article to Rmail file.
3914 Optional argument FILENAME specifies file name.
3915 Directory to save to is default to `gnus-article-save-directory'."
3916 (setq filename (gnus-read-save-file-name
3917 "Save %s in rmail file" filename
3918 gnus-rmail-save-name gnus-newsgroup-name
3919 gnus-current-headers 'gnus-newsgroup-last-rmail))
3920 (with-current-buffer gnus-save-article-buffer
3924 ;; Note that unlike gnus-summary-save-in-mail, there is no
3925 ;; check to see if filename is Babyl. Rmail in Emacs 23 does
3927 (gnus-output-to-rmail filename))))
3930 (defun gnus-summary-save-in-mail (&optional filename)
3931 "Append this article to Unix mail file.
3932 Optional argument FILENAME specifies file name.
3933 Directory to save to is default to `gnus-article-save-directory'."
3934 (setq filename (gnus-read-save-file-name
3935 "Save %s in Unix mail file" filename
3936 gnus-mail-save-name gnus-newsgroup-name
3937 gnus-current-headers 'gnus-newsgroup-last-mail))
3938 (with-current-buffer gnus-save-article-buffer
3942 (if (and (file-readable-p filename)
3943 (file-regular-p filename)
3944 (mail-file-babyl-p filename))
3945 (gnus-output-to-rmail filename)
3946 (gnus-output-to-mail filename)))))
3949 (put 'gnus-summary-save-in-file :decode t)
3950 (put 'gnus-summary-save-in-file :headers 'gnus-saved-headers)
3951 (defun gnus-summary-save-in-file (&optional filename overwrite)
3952 "Append this article to file.
3953 Optional argument FILENAME specifies file name.
3954 Directory to save to is default to `gnus-article-save-directory'."
3955 (setq filename (gnus-read-save-file-name
3956 "Save %s in file" filename
3957 gnus-file-save-name gnus-newsgroup-name
3958 gnus-current-headers 'gnus-newsgroup-last-file))
3959 (with-current-buffer gnus-save-article-buffer
3963 (when (and overwrite
3964 (file-exists-p filename))
3965 (delete-file filename))
3966 (gnus-output-to-file filename))))
3969 (put 'gnus-summary-write-to-file :decode t)
3970 (put 'gnus-summary-write-to-file :function 'gnus-summary-save-in-file)
3971 (put 'gnus-summary-write-to-file :headers 'gnus-saved-headers)
3972 (defun gnus-summary-write-to-file (&optional filename)
3973 "Write this article to a file, overwriting it if the file exists.
3974 Optional argument FILENAME specifies file name.
3975 The directory to save in defaults to `gnus-article-save-directory'."
3976 (setq filename (gnus-read-save-file-name
3977 "Save %s in file" filename
3978 gnus-file-save-name gnus-newsgroup-name
3979 gnus-current-headers nil 'gnus-newsgroup-last-directory))
3980 (gnus-summary-save-in-file filename t))
3982 (put 'gnus-summary-save-body-in-file :decode t)
3983 (defun gnus-summary-save-body-in-file (&optional filename overwrite)
3984 "Append this article body to a file.
3985 Optional argument FILENAME specifies file name.
3986 The directory to save in defaults to `gnus-article-save-directory'."
3987 (setq filename (gnus-read-save-file-name
3988 "Save %s body in file" filename
3989 gnus-file-save-name gnus-newsgroup-name
3990 gnus-current-headers 'gnus-newsgroup-last-file))
3991 (with-current-buffer gnus-save-article-buffer
3995 (when (article-goto-body)
3996 (narrow-to-region (point) (point-max)))
3997 (when (and overwrite
3998 (file-exists-p filename))
3999 (delete-file filename))
4000 (gnus-output-to-file filename))))
4003 (put 'gnus-summary-write-body-to-file :decode t)
4004 (put 'gnus-summary-write-body-to-file
4005 :function 'gnus-summary-save-body-in-file)
4006 (defun gnus-summary-write-body-to-file (&optional filename)
4007 "Write this article body to a file, overwriting it if the file exists.
4008 Optional argument FILENAME specifies file name.
4009 The directory to save in defaults to `gnus-article-save-directory'."
4010 (setq filename (gnus-read-save-file-name
4011 "Save %s body in file" filename
4012 gnus-file-save-name gnus-newsgroup-name
4013 gnus-current-headers nil 'gnus-newsgroup-last-directory))
4014 (gnus-summary-save-body-in-file filename t))
4016 (put 'gnus-summary-save-in-pipe :decode t)
4017 (put 'gnus-summary-save-in-pipe :headers 'gnus-saved-headers)
4018 (defun gnus-summary-save-in-pipe (&optional command raw)
4019 "Pipe this article to subprocess COMMAND.
4020 Valid values for COMMAND include:
4022 The executable command name and possibly arguments.
4024 You will be prompted for the command in the minibuffer.
4025 the symbol `default'
4026 It will be replaced with the command which the variable
4027 `gnus-summary-pipe-output-default-command' holds or the command
4028 last used for saving.
4029 Non-nil value for RAW overrides `:decode' and `:headers' properties
4030 and the raw article including all headers will be piped."
4031 (let ((article (gnus-summary-article-number))
4033 (get 'gnus-summary-save-in-pipe :decode)))
4034 save-buffer default)
4036 (if (vectorp (gnus-summary-article-header article))
4037 (save-current-buffer
4038 (gnus-summary-select-article decode decode nil article)
4039 (insert-buffer-substring
4043 gnus-original-article-buffer)
4045 (nnheader-set-temp-buffer " *Gnus Save*"))))
4046 ;; Remove unwanted headers.
4047 (when (and (not raw)
4048 (or (get 'gnus-summary-save-in-pipe :headers)
4049 (not gnus-save-all-headers)))
4050 (let ((gnus-visible-headers
4051 (or (symbol-value (get 'gnus-summary-save-in-pipe
4053 gnus-saved-headers gnus-visible-headers))
4054 (gnus-summary-buffer nil))
4055 (article-hide-headers 1 t))))
4056 (error "%d is not a real article" article))
4057 (error "No article to pipe"))
4058 (setq default (or gnus-summary-pipe-output-default-command
4059 gnus-last-shell-command))
4060 (unless (stringp command)
4062 (if (and (eq command 'default) default)
4064 (gnus-read-shell-command "Shell command on this article: "
4066 (when (string-equal command "")
4068 (setq command default)
4069 (error "A command is required")))
4070 (with-current-buffer save-buffer
4073 (shell-command-on-region (point-min) (point-max) command nil)))
4074 (gnus-kill-buffer save-buffer))
4075 (setq gnus-summary-pipe-output-default-command command))
4077 (defun gnus-summary-pipe-to-muttprint (&optional command)
4078 "Pipe this article to muttprint."
4079 (unless (stringp command)
4080 (setq command (read-string
4081 "Print using command: " gnus-summary-muttprint-program
4082 nil gnus-summary-muttprint-program)))
4083 (let ((gnus-summary-pipe-output-default-command
4084 gnus-summary-pipe-output-default-command))
4085 (gnus-summary-save-in-pipe command))
4086 (setq gnus-summary-muttprint-program command))
4088 ;;; Article file names when saving.
4090 (defun gnus-capitalize-newsgroup (newsgroup)
4091 "Capitalize NEWSGROUP name."
4092 (when (not (zerop (length newsgroup)))
4093 (concat (char-to-string (upcase (aref newsgroup 0)))
4094 (substring newsgroup 1))))
4096 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
4097 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
4098 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
4099 Otherwise, it is like ~/News/news/group/num."
4102 (concat (if (gnus-use-long-file-name 'not-save)
4103 (gnus-capitalize-newsgroup newsgroup)
4104 (gnus-newsgroup-directory-form newsgroup))
4105 "/" (int-to-string (mail-header-number headers)))
4106 gnus-article-save-directory)))
4108 (string-equal (file-name-directory default)
4109 (file-name-directory last-file))
4110 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
4112 (or last-file default))))
4114 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
4115 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
4116 If variable `gnus-use-long-file-name' is non-nil, it is
4117 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
4120 (concat (if (gnus-use-long-file-name 'not-save)
4122 (gnus-newsgroup-directory-form newsgroup))
4123 "/" (int-to-string (mail-header-number headers)))
4124 gnus-article-save-directory)))
4126 (string-equal (file-name-directory default)
4127 (file-name-directory last-file))
4128 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
4130 (or last-file default))))
4132 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
4133 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
4134 If variable `gnus-use-long-file-name' is non-nil, it is
4135 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
4138 (if (gnus-use-long-file-name 'not-save)
4141 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
4143 gnus-article-save-directory)))
4145 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
4146 "Generate file name from sender."
4147 (let ((from (mail-header-from headers)))
4149 (if (and from (string-match "\\([^ <]+\\)@" from))
4150 (match-string 1 from)
4152 gnus-article-save-directory)))
4154 (defun article-verify-x-pgp-sig ()
4156 ;; <ftp://ftp.isc.org/pub/pgpcontrol/FORMAT>
4158 (if (gnus-buffer-live-p gnus-original-article-buffer)
4159 (let ((sig (with-current-buffer gnus-original-article-buffer
4160 (gnus-fetch-field "X-PGP-Sig")))
4164 (mml2015-clear-verify-function))
4166 (insert-buffer-substring gnus-original-article-buffer)
4167 (setq items (split-string sig))
4168 (message-narrow-to-head)
4169 (let ((inhibit-point-motion-hooks t)
4170 (case-fold-search t))
4171 ;; Don't verify multiple headers.
4172 (setq headers (mapconcat (lambda (header)
4174 (mail-fetch-field header)
4176 (split-string (nth 1 items) ",") "")))
4177 (delete-region (point-min) (point-max))
4178 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
4179 (insert "X-Signed-Headers: " (nth 1 items) "\n")
4184 (if (looking-at "^-")
4187 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
4188 (insert "Version: " (car items) "\n\n")
4189 (insert (mapconcat 'identity (cddr items) "\n"))
4190 (insert "\n-----END PGP SIGNATURE-----\n")
4191 (let ((mm-security-handle (list (format "multipart/signed"))))
4192 (mml2015-clean-buffer)
4193 (let ((coding-system-for-write (or gnus-newsgroup-charset
4195 (funcall (mml2015-clear-verify-function)))
4197 (or (mm-handle-multipart-ctl-parameter
4198 mm-security-handle 'gnus-details)
4199 (mm-handle-multipart-ctl-parameter
4200 mm-security-handle 'gnus-info)))))
4202 (let ((inhibit-read-only t) bface eface)
4204 (message-narrow-to-head)
4205 (goto-char (point-max))
4207 (setq bface (get-text-property (point-at-bol) 'face)
4208 eface (get-text-property (1- (point-at-eol)) 'face))
4209 (message-remove-header "X-Gnus-PGP-Verify")
4210 (if (re-search-forward "^X-PGP-Sig:" nil t)
4212 (goto-char (point-max)))
4213 (narrow-to-region (point) (point))
4214 (insert "X-Gnus-PGP-Verify: " info "\n")
4215 (goto-char (point-min))
4218 (if (not (looking-at "^[ \t]"))
4222 (goto-char (point-min))
4223 (when (looking-at "\\([^:]+\\): *")
4224 (put-text-property (match-beginning 1) (1+ (match-end 1))
4226 (put-text-property (match-end 0) (point-max)
4227 'face eface)))))))))
4229 (autoload 'canlock-verify "canlock" nil t) ;; for XEmacs.
4231 (defun article-verify-cancel-lock ()
4232 "Verify Cancel-Lock header."
4234 (if (gnus-buffer-live-p gnus-original-article-buffer)
4235 (canlock-verify gnus-original-article-buffer)))
4242 (setq afunc (car func)
4245 gfunc (intern (format "gnus-%s" func))))
4247 (when (fboundp afunc)
4248 `(lambda (&optional interactive &rest args)
4249 ,(documentation afunc t)
4250 (interactive (list t))
4251 (with-current-buffer gnus-article-buffer
4253 (call-interactively ',afunc)
4254 (apply ',afunc args))))))))
4255 '(article-hide-headers
4256 article-verify-x-pgp-sig
4257 article-verify-cancel-lock
4258 article-hide-boring-headers
4259 article-treat-overstrike
4260 article-treat-ansi-sequences
4261 article-fill-long-lines
4262 article-capitalize-sentences
4264 article-remove-leading-whitespace
4265 article-display-x-face
4266 article-display-face
4267 article-de-quoted-unreadable
4268 article-de-base64-unreadable
4271 article-unsplit-urls
4272 article-hide-list-identifiers
4273 article-strip-banner
4276 article-hide-signature
4277 article-strip-headers-in-body
4278 article-remove-trailing-blank-lines
4279 article-strip-leading-blank-lines
4280 article-strip-multiple-blank-lines
4281 article-strip-leading-space
4282 article-strip-trailing-space
4283 article-strip-blank-lines
4284 article-strip-all-blank-lines
4286 article-date-english
4287 article-date-iso8601
4288 article-date-original
4290 article-decode-mime-words
4291 article-decode-charset
4292 article-decode-encoded-words
4296 article-treat-dumbquotes
4297 article-treat-non-ascii
4298 article-normalize-headers
4299 ;;(article-show-all . gnus-article-show-all-headers)
4303 ;;; Gnus article mode
4306 (put 'gnus-article-mode 'mode-class 'special)
4308 (set-keymap-parent gnus-article-mode-map widget-keymap)
4310 (gnus-define-keys gnus-article-mode-map
4311 " " gnus-article-goto-next-page
4312 "\177" gnus-article-goto-prev-page
4313 [delete] gnus-article-goto-prev-page
4314 [backspace] gnus-article-goto-prev-page
4315 "\C-c^" gnus-article-refer-article
4316 "h" gnus-article-show-summary
4317 "s" gnus-article-show-summary
4318 "\C-c\C-m" gnus-article-mail
4319 "?" gnus-article-describe-briefly
4320 "<" beginning-of-buffer
4322 "\C-c\C-i" gnus-info-find-node
4324 "R" gnus-article-reply-with-original
4325 "F" gnus-article-followup-with-original
4326 "\C-hk" gnus-article-describe-key
4327 "\C-hc" gnus-article-describe-key-briefly
4328 "\C-hb" gnus-article-describe-bindings
4330 "e" gnus-article-read-summary-keys
4331 "\C-d" gnus-article-read-summary-keys
4332 "\M-*" gnus-article-read-summary-keys
4333 "\M-#" gnus-article-read-summary-keys
4334 "\M-^" gnus-article-read-summary-keys
4335 "\M-g" gnus-article-read-summary-keys)
4337 (substitute-key-definition
4338 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
4340 (gnus-define-keys (gnus-article-send-map "S" gnus-article-mode-map)
4341 "W" gnus-article-wide-reply-with-original)
4342 (if (featurep 'xemacs)
4343 (set-keymap-default-binding gnus-article-send-map
4344 'gnus-article-read-summary-send-keys)
4345 (define-key gnus-article-send-map [t] 'gnus-article-read-summary-send-keys))
4347 (defun gnus-article-make-menu-bar ()
4348 (unless (boundp 'gnus-article-commands-menu)
4349 (gnus-summary-make-menu-bar))
4350 (unless (boundp 'gnus-article-article-menu)
4352 gnus-article-article-menu gnus-article-mode-map ""
4354 ["Scroll forwards" gnus-article-goto-next-page t]
4355 ["Scroll backwards" gnus-article-goto-prev-page t]
4356 ["Show summary" gnus-article-show-summary t]
4357 ["Fetch Message-ID at point" gnus-article-refer-article t]
4358 ["Mail to address at point" gnus-article-mail t]
4359 ["Send a bug report" gnus-bug t]))
4362 gnus-article-treatment-menu gnus-article-mode-map ""
4363 ;; Fixme: this should use :active (and maybe :visible).
4365 ["Hide headers" gnus-article-hide-headers t]
4366 ["Hide signature" gnus-article-hide-signature t]
4367 ["Hide citation" gnus-article-hide-citation t]
4368 ["Treat overstrike" gnus-article-treat-overstrike t]
4369 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
4370 ["Remove carriage return" gnus-article-remove-cr t]
4371 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
4372 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
4373 ["Remove base64" gnus-article-de-base64-unreadable t]
4374 ["Treat html" gnus-article-wash-html t]
4375 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
4376 ["Decode HZ" gnus-article-decode-HZ t]))
4378 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
4380 ;; Note "Post" menu is defined in gnus-sum.el for consistency
4382 (gnus-run-hooks 'gnus-article-menu-hook)))
4384 (defvar bookmark-make-record-function)
4386 (defun gnus-article-mode ()
4387 "Major mode for displaying an article.
4389 All normal editing commands are switched off.
4391 The following commands are available in addition to all summary mode
4393 \\<gnus-article-mode-map>
4394 \\[gnus-article-next-page]\t Scroll the article one page forwards
4395 \\[gnus-article-prev-page]\t Scroll the article one page backwards
4396 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
4397 \\[gnus-article-show-summary]\t Display the summary buffer
4398 \\[gnus-article-mail]\t Send a reply to the address near point
4399 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
4400 \\[gnus-info-find-node]\t Go to the Gnus info node"
4402 (kill-all-local-variables)
4403 (gnus-simplify-mode-line)
4404 (setq mode-name "Article")
4405 (setq major-mode 'gnus-article-mode)
4406 (make-local-variable 'minor-mode-alist)
4407 (use-local-map gnus-article-mode-map)
4408 (when (gnus-visual-p 'article-menu 'menu)
4409 (gnus-article-make-menu-bar)
4410 (when gnus-summary-tool-bar-map
4411 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
4412 (gnus-update-format-specifications nil 'article-mode)
4413 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
4414 (set (make-local-variable 'gnus-page-broken) nil)
4415 (make-local-variable 'gnus-button-marker-list)
4416 (make-local-variable 'gnus-article-current-summary)
4417 (make-local-variable 'gnus-article-mime-handles)
4418 (make-local-variable 'gnus-article-decoded-p)
4419 (make-local-variable 'gnus-article-mime-handle-alist)
4420 (make-local-variable 'gnus-article-wash-types)
4421 (make-local-variable 'gnus-article-image-alist)
4422 (make-local-variable 'gnus-article-charset)
4423 (make-local-variable 'gnus-article-ignored-charsets)
4424 (set (make-local-variable 'bookmark-make-record-function)
4425 'gnus-summary-bookmark-make-record)
4426 ;; Prevent Emacs 22 from displaying non-break space with `nobreak-space'
4428 (set (make-local-variable 'nobreak-char-display) nil)
4429 (setq cursor-in-non-selected-windows nil)
4430 (gnus-set-default-directory)
4431 (buffer-disable-undo)
4432 (setq buffer-read-only t
4433 show-trailing-whitespace nil)
4434 (set-syntax-table gnus-article-mode-syntax-table)
4435 (mm-enable-multibyte)
4436 (gnus-run-mode-hooks 'gnus-article-mode-hook))
4438 (defvar gnus-button-marker-list nil
4439 "Regexp matching any of the regexps from `gnus-button-alist'.
4440 Internal variable.")
4442 (defun gnus-article-setup-buffer ()
4443 "Initialize the article buffer."
4444 (let* ((name (if gnus-single-article-buffer "*Article*"
4445 (concat "*Article " gnus-newsgroup-name "*")))
4447 (progn (string-match "\\*Article" name)
4448 (concat " *Original Article"
4449 (substring name (match-end 0))))))
4450 (setq gnus-article-buffer name)
4451 (setq gnus-original-article-buffer original)
4452 (setq gnus-article-mime-handle-alist nil)
4453 (with-current-buffer gnus-summary-buffer
4454 ;; This might be a variable local to the summary buffer.
4455 (unless gnus-single-article-buffer
4456 (setq gnus-article-buffer name)
4457 (setq gnus-original-article-buffer original)
4458 (gnus-set-global-variables)))
4459 (gnus-article-setup-highlight-words)
4460 ;; Init original article buffer.
4461 (with-current-buffer (gnus-get-buffer-create gnus-original-article-buffer)
4462 (mm-enable-multibyte)
4463 (setq major-mode 'gnus-original-article-mode)
4464 (make-local-variable 'gnus-original-article))
4465 (if (and (get-buffer name)
4466 (with-current-buffer name
4467 (if gnus-article-edit-mode
4468 (if (y-or-n-p "Article mode edit in progress; discard? ")
4470 (set-buffer-modified-p nil)
4471 (gnus-kill-buffer name)
4474 (error "Action aborted"))
4476 (with-current-buffer name
4477 (set (make-local-variable 'gnus-article-edit-mode) nil)
4478 (when gnus-article-mime-handles
4479 (mm-destroy-parts gnus-article-mime-handles)
4480 (setq gnus-article-mime-handles nil))
4481 ;; Set it to nil in article-buffer!
4482 (setq gnus-article-mime-handle-alist nil)
4483 (buffer-disable-undo)
4484 (setq buffer-read-only t)
4485 ;; This list just keeps growing if we don't reset it.
4486 (setq gnus-button-marker-list nil)
4487 (unless (eq major-mode 'gnus-article-mode)
4488 (gnus-article-mode))
4489 (setq truncate-lines gnus-article-truncate-lines)
4491 (with-current-buffer (gnus-get-buffer-create name)
4493 (setq truncate-lines gnus-article-truncate-lines)
4494 (make-local-variable 'gnus-summary-buffer)
4495 (setq gnus-summary-buffer
4496 (gnus-summary-buffer-name gnus-newsgroup-name))
4497 (gnus-summary-set-local-parameters gnus-newsgroup-name)
4498 (current-buffer)))))
4500 ;; Set article window start at LINE, where LINE is the number of lines
4501 ;; from the head of the article.
4502 (defun gnus-article-set-window-start (&optional line)
4503 (let ((article-window (gnus-get-buffer-window gnus-article-buffer t)))
4504 (when article-window
4507 (with-current-buffer gnus-article-buffer
4508 (goto-char (point-min))
4511 (gnus-message 6 "Moved to bookmark")
4512 (search-forward "\n\n" nil t)
4516 (defun gnus-article-prepare (article &optional all-headers header)
4517 "Prepare ARTICLE in article mode buffer.
4518 ARTICLE should either be an article number or a Message-ID.
4519 If ARTICLE is an id, HEADER should be the article headers.
4520 If ALL-HEADERS is non-nil, no headers are hidden."
4522 ;; Make sure we start in a summary buffer.
4523 (unless (eq major-mode 'gnus-summary-mode)
4524 (set-buffer gnus-summary-buffer))
4525 (setq gnus-summary-buffer (current-buffer))
4526 (let* ((gnus-article (if header (mail-header-number header) article))
4527 (summary-buffer (current-buffer))
4528 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
4529 (group gnus-newsgroup-name)
4532 (gnus-article-setup-buffer)
4533 (set-buffer gnus-article-buffer)
4534 ;; Deactivate active regions.
4535 (when (and (boundp 'transient-mark-mode)
4536 transient-mark-mode)
4537 (setq mark-active nil))
4538 (if (not (setq result (let ((inhibit-read-only t))
4539 (gnus-request-article-this-buffer
4541 ;; There is no such article.
4543 (when (and (numberp article)
4544 (not (memq article gnus-newsgroup-sparse)))
4545 (setq gnus-article-current
4546 (cons gnus-newsgroup-name article))
4547 (set-buffer gnus-summary-buffer)
4548 (setq gnus-current-article article)
4549 (if (and (memq article gnus-newsgroup-undownloaded)
4550 (not (gnus-online (gnus-find-method-for-group
4551 gnus-newsgroup-name))))
4553 (gnus-summary-set-agent-mark article)
4554 (message "Message marked for downloading"))
4555 (gnus-summary-mark-article article gnus-canceled-mark)
4556 (unless (memq article gnus-newsgroup-sparse)
4557 (gnus-error 1 "No such article (may have expired or been canceled)")))))
4558 (if (or (eq result 'pseudo)
4559 (eq result 'nneething))
4561 (with-current-buffer summary-buffer
4562 (push article gnus-newsgroup-history)
4563 (setq gnus-last-article gnus-current-article
4564 gnus-current-article 0
4565 gnus-current-headers nil
4566 gnus-article-current nil)
4567 (if (eq result 'nneething)
4568 (gnus-configure-windows 'summary)
4569 (gnus-configure-windows 'article))
4570 (gnus-set-global-variables))
4571 (let ((gnus-article-mime-handle-alist-1
4572 gnus-article-mime-handle-alist))
4573 (gnus-set-mode-line 'article)))
4574 ;; The result from the `request' was an actual article -
4575 ;; or at least some text that is now displayed in the
4577 (when (and (numberp article)
4578 (not (eq article gnus-current-article)))
4579 ;; Seems like a new article has been selected.
4580 ;; `gnus-current-article' must be an article number.
4581 (with-current-buffer summary-buffer
4582 (push article gnus-newsgroup-history)
4583 (setq gnus-last-article gnus-current-article
4584 gnus-current-article article
4585 gnus-current-headers
4586 (gnus-summary-article-header gnus-current-article)
4587 gnus-article-current
4588 (cons gnus-newsgroup-name gnus-current-article))
4589 (unless (vectorp gnus-current-headers)
4590 (setq gnus-current-headers nil))
4591 (gnus-summary-goto-subject gnus-current-article)
4592 (when (gnus-summary-show-thread)
4593 ;; If the summary buffer really was folded, the
4594 ;; previous goto may not actually have gone to
4595 ;; the right article, but the thread root instead.
4597 (gnus-summary-goto-subject gnus-current-article))
4598 (gnus-run-hooks 'gnus-mark-article-hook)
4599 (gnus-set-mode-line 'summary)
4600 (when (gnus-visual-p 'article-highlight 'highlight)
4601 (gnus-run-hooks 'gnus-visual-mark-article-hook))
4602 ;; Set the global newsgroup variables here.
4603 (gnus-set-global-variables)
4604 (setq gnus-have-all-headers
4605 (or all-headers gnus-show-all-headers))))
4607 (gnus-configure-windows 'article))
4608 (when (or (numberp article)
4610 (gnus-article-prepare-display)
4612 (goto-char (point-min))
4613 (when gnus-break-pages
4614 (gnus-narrow-to-page)))
4615 (let ((gnus-article-mime-handle-alist-1
4616 gnus-article-mime-handle-alist))
4617 (gnus-set-mode-line 'article))
4621 (set-window-point (get-buffer-window (current-buffer)) (point))
4622 (gnus-configure-windows 'article)
4626 (defun gnus-article-prepare-display ()
4627 "Make the current buffer look like a nice article."
4628 ;; Hooks for getting information from the article.
4629 ;; This hook must be called before being narrowed.
4630 (let ((gnus-article-buffer (current-buffer))
4632 (inhibit-read-only t))
4633 (unless (eq major-mode 'gnus-article-mode)
4634 (gnus-article-mode))
4635 (setq buffer-read-only nil
4636 gnus-article-wash-types nil
4637 gnus-article-image-alist nil)
4638 (gnus-run-hooks 'gnus-tmp-internal-hook)
4639 (when gnus-display-mime-function
4640 (funcall gnus-display-mime-function))
4641 (gnus-run-hooks 'gnus-article-prepare-hook)))
4644 ;;; Gnus Sticky Article Mode
4647 (define-derived-mode gnus-sticky-article-mode gnus-article-mode "StickyArticle"
4648 "Mode for sticky articles."
4649 ;; Release bindings that won't work.
4650 (substitute-key-definition 'gnus-article-read-summary-keys 'undefined
4651 gnus-sticky-article-mode-map)
4652 (substitute-key-definition 'gnus-article-refer-article 'undefined
4653 gnus-sticky-article-mode-map)
4654 (dolist (k '("e" "h" "s" "F" "R"))
4655 (define-key gnus-sticky-article-mode-map k nil))
4656 (define-key gnus-sticky-article-mode-map "k" 'gnus-kill-sticky-article-buffer)
4657 (define-key gnus-sticky-article-mode-map "q" 'bury-buffer)
4658 (define-key gnus-sticky-article-mode-map "\C-hc" 'describe-key-briefly)
4659 (define-key gnus-sticky-article-mode-map "\C-hk" 'describe-key))
4661 (defun gnus-sticky-article (arg)
4662 "Make the current article sticky.
4663 If a prefix ARG is given, ask for a name for this sticky article buffer."
4665 (gnus-summary-show-thread)
4666 (gnus-summary-select-article nil nil 'pseudo)
4667 (let (new-art-buf-name)
4668 (gnus-eval-in-buffer-window gnus-article-buffer
4669 (setq new-art-buf-name
4673 (read-from-minibuffer "Sticky article buffer name: ")
4674 (gnus-with-article-headers
4675 (gnus-article-goto-header "subject")
4676 (setq new-art-buf-name
4677 (buffer-substring-no-properties
4678 (line-beginning-position) (line-end-position)))
4679 (goto-char (point-min))
4680 (gnus-article-goto-header "from")
4681 (setq new-art-buf-name
4683 new-art-buf-name ", "
4684 (buffer-substring-no-properties
4685 (line-beginning-position) (line-end-position))))
4686 (goto-char (point-min))
4687 (gnus-article-goto-header "date")
4688 (setq new-art-buf-name
4690 new-art-buf-name ", "
4691 (buffer-substring-no-properties
4692 (line-beginning-position) (line-end-position))))))
4694 (if (and (gnus-buffer-live-p new-art-buf-name)
4695 (with-current-buffer new-art-buf-name
4696 (eq major-mode 'gnus-sticky-article-mode)))
4697 (switch-to-buffer new-art-buf-name)
4698 (setq new-art-buf-name (rename-buffer new-art-buf-name t)))
4699 (gnus-sticky-article-mode))
4700 (setq gnus-article-buffer new-art-buf-name))
4701 (gnus-summary-recenter)
4702 (gnus-summary-position-point))
4704 (defun gnus-kill-sticky-article-buffer (&optional buffer)
4705 "Kill the given sticky article BUFFER.
4706 If none is given, assume the current buffer and kill it if it has
4707 `gnus-sticky-article-mode'."
4710 (setq buffer (current-buffer)))
4711 (with-current-buffer buffer
4712 (when (eq major-mode 'gnus-sticky-article-mode)
4713 (gnus-kill-buffer buffer))))
4715 (defun gnus-kill-sticky-article-buffers (arg)
4716 "Kill all sticky article buffers.
4717 If a prefix ARG is given, ask for confirmation."
4719 (dolist (buf (gnus-buffers))
4720 (with-current-buffer buf
4721 (when (eq major-mode 'gnus-sticky-article-mode)
4723 (gnus-kill-buffer buf)
4724 (when (yes-or-no-p (concat "Kill buffer " (buffer-name buf) "? "))
4725 (gnus-kill-buffer buf)))))))
4728 ;;; Gnus MIME viewing functions
4731 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4732 "Format of the MIME buttons.
4734 Valid specifiers include:
4736 %T MIME type, along with additional info
4737 %n The `name' parameter
4738 %d The description, if any
4739 %l The length of the encoded part
4740 %p The part identifier number
4741 %e Dots if the part isn't displayed
4743 General format specifiers can also be used. See Info node
4744 `(gnus)Formatting Variables'.")
4746 (defvar gnus-mime-button-line-format-alist
4747 '((?t gnus-tmp-type ?s)
4748 (?T gnus-tmp-type-long ?s)
4749 (?n gnus-tmp-name ?s)
4750 (?d gnus-tmp-description ?s)
4752 (?l gnus-tmp-length ?d)
4753 (?e gnus-tmp-dots ?s)))
4755 (defvar gnus-mime-button-commands
4756 '((gnus-article-press-button "\r" "Toggle Display")
4757 (gnus-mime-view-part "v" "View Interactively...")
4758 (gnus-mime-view-part-as-type "t" "View As Type...")
4759 (gnus-mime-view-part-as-charset "C" "View As charset...")
4760 (gnus-mime-save-part "o" "Save...")
4761 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4762 (gnus-mime-replace-part "r" "Replace part")
4763 (gnus-mime-delete-part "d" "Delete part")
4764 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4765 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4766 (gnus-mime-view-part-internally "E" "View Internally") ;; Why `E'?
4767 (gnus-mime-view-part-externally "e" "View Externally")
4768 (gnus-mime-print-part "p" "Print")
4769 (gnus-mime-pipe-part "|" "Pipe To Command...")
4770 (gnus-mime-action-on-part "." "Take action on the part...")))
4772 (defun gnus-article-mime-part-status ()
4773 (if gnus-article-mime-handle-alist-1
4774 (if (eq 1 (length gnus-article-mime-handle-alist-1))
4776 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
4779 (defvar gnus-mime-button-map
4780 (let ((map (make-sparse-keymap)))
4781 (define-key map gnus-mouse-2 'gnus-article-push-button)
4782 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4783 (dolist (c gnus-mime-button-commands)
4784 (define-key map (cadr c) (car c)))
4788 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4790 ,@(mapcar (lambda (c)
4791 (vector (caddr c) (car c) :active t))
4792 gnus-mime-button-commands)))
4794 (defvar gnus-url-button-commands
4795 '((gnus-article-copy-string "u" "Copy URL to kill ring")))
4797 (defvar gnus-url-button-map
4798 (let ((map (make-sparse-keymap)))
4799 (dolist (c gnus-url-button-commands)
4800 (define-key map (cadr c) (car c)))
4804 gnus-url-button-menu gnus-url-button-map "URL button menu."
4806 ,@(mapcar (lambda (c)
4807 (vector (caddr c) (car c) :active t))
4808 gnus-url-button-commands)))
4810 (defmacro gnus-bind-safe-url-regexp (&rest body)
4811 "Bind `mm-w3m-safe-url-regexp' according to `gnus-safe-html-newsgroups'."
4812 `(let ((mm-w3m-safe-url-regexp
4813 (let ((group (if (and (eq major-mode 'gnus-article-mode)
4815 gnus-article-current-summary))
4816 (with-current-buffer gnus-article-current-summary
4817 gnus-newsgroup-name)
4818 gnus-newsgroup-name)))
4819 (if (cond ((not group)
4820 ;; Maybe we're in a mml-preview buffer
4821 ;; and no group is selected.
4823 ((stringp gnus-safe-html-newsgroups)
4824 (string-match gnus-safe-html-newsgroups group))
4825 ((consp gnus-safe-html-newsgroups)
4826 (member group gnus-safe-html-newsgroups)))
4828 mm-w3m-safe-url-regexp))))
4831 (defun gnus-mime-button-menu (event prefix)
4832 "Construct a context-sensitive menu of MIME commands."
4833 (interactive "e\nP")
4834 (save-window-excursion
4835 (let ((pos (event-start event)))
4836 (select-window (posn-window pos))
4837 (goto-char (posn-point pos))
4838 (gnus-article-check-buffer)
4839 (popup-menu gnus-mime-button-menu nil prefix))))
4841 (defun gnus-mime-view-all-parts (&optional handles)
4842 "View all the MIME parts."
4844 (with-current-buffer gnus-article-buffer
4845 (let ((handles (or handles gnus-article-mime-handles))
4846 (mail-parse-charset gnus-newsgroup-charset)
4847 (mail-parse-ignored-charsets
4848 (with-current-buffer gnus-summary-buffer
4849 gnus-newsgroup-ignored-charsets)))
4851 (mm-remove-parts handles)
4852 (goto-char (point-min))
4853 (or (search-forward "\n\n") (goto-char (point-max)))
4854 (let ((inhibit-read-only t))
4855 (delete-region (point) (point-max))
4856 (gnus-bind-safe-url-regexp (mm-display-parts handles)))))))
4858 (defun gnus-article-jump-to-part (n)
4859 "Jump to MIME part N."
4861 (let ((parts (with-current-buffer gnus-article-buffer
4862 (length gnus-article-mime-handle-alist))))
4864 (error "No such part"))
4865 (pop-to-buffer gnus-article-buffer)
4866 ;; FIXME: why is it necessary?
4869 (setq n (if (= parts 1)
4871 (read-number (format "Jump to part (1..%s): " parts)))))
4872 (unless (and (integerp n) (<= n parts) (>= n 1))
4875 (gnus-message 7 "Invalid part `%s', using %s instead."
4878 (gnus-message 9 "Jumping to part %s." n)
4879 (cond ((>= gnus-auto-select-part 1)
4880 (while (and (<= n parts)
4881 (not (gnus-article-goto-part n)))
4883 ((< gnus-auto-select-part 0)
4884 (while (and (>= n 1)
4885 (not (gnus-article-goto-part n)))
4888 (gnus-article-goto-part n)))))
4890 (defvar gnus-mime-buttonized-part-id nil
4891 "ID of a mime part that should be buttonized.
4892 `gnus-mime-save-part-and-strip' and `gnus-mime-delete-part' bind it.")
4895 (defsubst gnus-article-edit-part (handles &optional current-id)
4896 "Edit an article in order to delete a mime part.
4897 This function is exclusively used by `gnus-mime-save-part-and-strip'
4898 and `gnus-mime-delete-part', and not provided at run-time normally."
4899 (gnus-article-edit-article
4901 (buffer-disable-undo)
4903 (let ((mail-parse-charset (or gnus-article-charset
4904 ',gnus-newsgroup-charset))
4905 (mail-parse-ignored-charsets
4906 (or gnus-article-ignored-charsets
4907 ',gnus-newsgroup-ignored-charsets))
4908 (mbl mml-buffer-list))
4909 (setq mml-buffer-list nil)
4910 (insert-buffer-substring gnus-original-article-buffer)
4911 (mime-to-mml ',handles)
4912 (setq gnus-article-mime-handles nil)
4913 (let ((mbl1 mml-buffer-list))
4914 (setq mml-buffer-list mbl)
4915 (set (make-local-variable 'mml-buffer-list) mbl1))
4916 (gnus-make-local-hook 'kill-buffer-hook)
4917 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4918 `(lambda (no-highlight)
4919 (let ((mail-parse-charset (or gnus-article-charset
4920 ',gnus-newsgroup-charset))
4921 (message-options message-options)
4922 (message-options-set-recipient)
4923 (mail-parse-ignored-charsets
4924 (or gnus-article-ignored-charsets
4925 ',gnus-newsgroup-ignored-charsets)))
4927 (mml-destroy-buffers)
4928 (remove-hook 'kill-buffer-hook
4929 'mml-destroy-buffers t)
4930 (kill-local-variable 'mml-buffer-list))
4931 (gnus-summary-edit-article-done
4932 ,(or (mail-header-references gnus-current-headers) "")
4933 ,(gnus-group-read-only-p)
4934 ,gnus-summary-buffer no-highlight))
4936 ;; Force buttonizing this part.
4937 (let ((gnus-mime-buttonized-part-id current-id))
4938 (gnus-article-edit-done))
4939 (gnus-configure-windows 'article)
4940 (when (and current-id (integerp gnus-auto-select-part))
4941 (gnus-article-jump-to-part
4942 (min (max (+ current-id gnus-auto-select-part) 1)
4943 (with-current-buffer gnus-article-buffer
4944 (length gnus-article-mime-handle-alist)))))))
4946 (defun gnus-mime-replace-part (file)
4947 "Replace MIME part under point with an external body."
4948 ;; Useful if file has already been saved to disk
4951 (read-file-name "Replace MIME part with file: "
4952 (or mm-default-directory default-directory)
4954 (gnus-mime-save-part-and-strip file))
4956 (defun gnus-mime-save-part-and-strip (&optional file)
4957 "Save the MIME part under point then replace it with an external body.
4958 If FILE is given, use it for the external part."
4960 (gnus-article-check-buffer)
4961 (when (gnus-group-read-only-p)
4962 (error "The current group does not support deleting of parts"))
4963 (when (mm-complicated-handles gnus-article-mime-handles)
4965 The current article has a complicated MIME structure, giving up..."))
4966 (let* ((data (get-text-property (point) 'gnus-data))
4967 (id (get-text-property (point) 'gnus-part))
4969 (handles gnus-article-mime-handles))
4972 (and data (mm-save-part data "Delete MIME part and save to: "))))
4974 (with-current-buffer (mm-handle-buffer data)
4976 (insert "Content-Type: " (mm-handle-media-type data))
4977 (mml-insert-parameter-string (cdr (mm-handle-type data))
4979 ;; Add a filename for the sake of saving the part again.
4980 (mml-insert-parameter
4981 (mail-header-encode-parameter "name" (file-name-nondirectory file)))
4983 (insert "Content-ID: " (message-make-message-id) "\n")
4984 (insert "Content-Transfer-Encoding: binary\n")
4987 (cdr (mm-make-handle nil
4988 `("message/external-body"
4989 (access-type . "LOCAL-FILE")
4991 ;; (set-buffer gnus-summary-buffer)
4992 (gnus-article-edit-part handles id))))
4994 ;; A function like `gnus-summary-save-parts' (`X m', `<MIME> <Extract all
4995 ;; parts...>') but with stripping would be nice.
4997 (defun gnus-mime-delete-part ()
4998 "Delete the MIME part under point.
4999 Replace it with some information about the removed part."
5001 (gnus-article-check-buffer)
5002 (when (gnus-group-read-only-p)
5003 (error "The current group does not support deleting of parts"))
5004 (when (mm-complicated-handles gnus-article-mime-handles)
5006 The current article has a complicated MIME structure, giving up..."))
5007 (when (or gnus-expert-user
5008 (gnus-yes-or-no-p "\
5009 Deleting parts may malfunction or destroy the article; continue? "))
5010 (let* ((data (get-text-property (point) 'gnus-data))
5011 (id (get-text-property (point) 'gnus-part))
5012 (handles gnus-article-mime-handles)
5015 (let ((desc (mm-handle-description data)))
5017 (mail-decode-encoded-word-string desc))))
5019 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
5021 (type (mm-handle-media-type data)))
5023 (error "No MIME part under point"))
5024 (with-current-buffer (mm-handle-buffer data)
5025 (let ((bsize (buffer-size)))
5030 "| The following attachment has been deleted:\n"
5032 "| Type: " type "\n"
5033 "| Filename: " filename "\n"
5034 "| Size (encoded): " (format "%s byte%s\n"
5035 bsize (if (= bsize 1)
5039 (concat "| Description: " description "\n"))
5042 (cdr (mm-make-handle
5043 nil `("text/plain" (charset . gnus-decoded)) nil nil
5045 (format "Deleted attachment (%s bytes)" bsize))))))
5046 ;; (set-buffer gnus-summary-buffer)
5047 (gnus-article-edit-part handles id))))
5049 (defun gnus-mime-save-part ()
5050 "Save the MIME part under point."
5052 (gnus-article-check-buffer)
5053 (let ((data (get-text-property (point) 'gnus-data)))
5055 (mm-save-part data))))
5057 (defun gnus-mime-pipe-part (&optional cmd)
5058 "Pipe the MIME part under point to a process.
5059 Use CMD as the process."
5061 (gnus-article-check-buffer)
5062 (let ((data (get-text-property (point) 'gnus-data)))
5064 (mm-pipe-part data cmd))))
5066 (defun gnus-mime-view-part ()
5067 "Interactively choose a viewing method for the MIME part under point."
5069 (gnus-article-check-buffer)
5070 (let ((data (get-text-property (point) 'gnus-data)))
5072 (setq gnus-article-mime-handles
5074 gnus-article-mime-handles (setq data (copy-sequence data))))
5075 (mm-interactively-view-part data))))
5077 (defun gnus-mime-view-part-as-type-internal ()
5078 (gnus-article-check-buffer)
5079 (let* ((handle (get-text-property (point) 'gnus-data))
5081 ;; Content-Type: foo/bar; name=...
5082 (mail-content-type-get (mm-handle-type handle) 'name)
5083 ;; Content-Disposition: attachment; filename=...
5084 (cdr (assq 'filename (cdr (mm-handle-disposition handle))))))
5085 (def-type (and name (mm-default-file-encoding name))))
5086 (or (and def-type (cons def-type 0))
5088 (equal (mm-handle-media-supertype handle) "text")
5089 '("text/plain" . 0))
5090 '("application/octet-stream" . 0))))
5092 (defun gnus-mime-view-part-as-type (&optional mime-type pred)
5093 "Choose a MIME media type, and view the part as such.
5094 If non-nil, PRED is a predicate to use during completion to limit the
5095 available media-types."
5099 (let ((default (gnus-mime-view-part-as-type-internal)))
5100 (gnus-completing-read
5103 (gnus-remove-if-not pred (mailcap-mime-types))
5104 (mailcap-mime-types))
5107 (gnus-article-check-buffer)
5108 (let ((handle (get-text-property (point) 'gnus-data)))
5110 (when (equal (mm-handle-media-type handle) "message/external-body")
5111 (unless (mm-handle-cache handle)
5112 (mm-extern-cache-contents handle))
5113 (setq handle (mm-handle-cache handle)))
5115 (mm-make-handle (mm-handle-buffer handle)
5116 (cons mime-type (cdr (mm-handle-type handle)))
5117 (mm-handle-encoding handle)
5118 (mm-handle-undisplayer handle)
5119 (mm-handle-disposition handle)
5120 (mm-handle-description handle)
5122 (mm-handle-id handle)))
5123 (setq gnus-article-mime-handles
5124 (mm-merge-handles gnus-article-mime-handles handle))
5125 (when (mm-handle-displayed-p handle)
5126 (mm-remove-part handle))
5127 (gnus-mm-display-part handle))))
5129 (defun gnus-mime-copy-part (&optional handle arg)
5130 "Put the MIME part under point into a new buffer.
5131 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
5133 (interactive (list nil current-prefix-arg))
5134 (gnus-article-check-buffer)
5136 (setq handle (get-text-property (point) 'gnus-data)))
5138 (let ((filename (or (mail-content-type-get (mm-handle-type handle)
5140 (mail-content-type-get (mm-handle-disposition handle)
5142 contents dont-decode charset coding-system)
5143 (mm-with-unibyte-buffer
5144 (mm-insert-part handle)
5145 (setq contents (or (condition-case nil
5146 (mm-decompress-buffer filename nil 'sig)
5148 (setq dont-decode t)
5151 (setq filename (cond (filename (file-name-nondirectory filename))
5152 (dont-decode "*raw data*")
5157 (unless (setq charset (mail-content-type-get
5158 (mm-handle-type handle) 'charset))
5159 (unless (setq coding-system (mm-with-unibyte-buffer
5161 (mm-find-buffer-file-coding-system)))
5162 (setq charset gnus-newsgroup-charset))))
5164 (setq charset (or (cdr (assq arg
5165 gnus-summary-show-article-charset-alist))
5166 (mm-read-coding-system "Charset: ")))))
5167 (switch-to-buffer (generate-new-buffer filename))
5168 (if (or coding-system
5170 (setq coding-system (mm-charset-to-coding-system charset))
5171 (not (eq coding-system 'ascii))))
5173 (mm-enable-multibyte)
5174 (insert (mm-decode-coding-string contents coding-system))
5175 (setq buffer-file-coding-system
5176 (if (boundp 'last-coding-system-used)
5177 (symbol-value 'last-coding-system-used)
5179 (mm-disable-multibyte)
5181 (setq buffer-file-coding-system mm-binary-coding-system))
5182 ;; We do it this way to make `normal-mode' set the appropriate mode.
5185 (setq buffer-file-name (expand-file-name filename))
5187 (setq buffer-file-name nil))
5188 (goto-char (point-min)))))
5190 (defun gnus-mime-print-part (&optional handle filename)
5191 "Print the MIME part under point."
5192 (interactive (list nil (ps-print-preprint current-prefix-arg)))
5193 (gnus-article-check-buffer)
5194 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
5195 (contents (and handle (mm-get-part handle)))
5196 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
5197 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
5202 (mm-save-part-to-file handle file)
5203 (call-process shell-file-name nil
5204 (generate-new-buffer " *mm*")
5206 shell-command-switch
5208 printer file (mm-handle-type handle))))
5212 (gnus-print-buffer))
5213 (ps-despool filename)))))
5215 (defun gnus-mime-inline-part (&optional handle arg)
5216 "Insert the MIME part under point into the current buffer.
5217 Compressed files like .gz and .bz2 are decompressed."
5218 (interactive (list nil current-prefix-arg))
5219 (gnus-article-check-buffer)
5221 (setq handle (get-text-property (point) 'gnus-data)))
5224 (inhibit-read-only t)
5225 contents charset coding-system)
5226 (if (and (not arg) (mm-handle-undisplayer handle))
5227 (mm-remove-part handle)
5228 (mm-with-unibyte-buffer
5229 (mm-insert-part handle)
5231 (or (mm-decompress-buffer
5232 (or (mail-content-type-get (mm-handle-type handle)
5234 (mail-content-type-get (mm-handle-disposition handle)
5240 (unless (setq charset (mail-content-type-get
5241 (mm-handle-type handle) 'charset))
5242 (unless (setq coding-system
5243 (mm-with-unibyte-buffer
5245 (mm-find-buffer-file-coding-system)))
5246 (setq charset gnus-newsgroup-charset))))
5248 (if (mm-handle-undisplayer handle)
5249 (mm-remove-part handle))
5252 gnus-summary-show-article-charset-alist))
5253 (mm-read-coding-system "Charset: "))))
5255 (if (mm-handle-undisplayer handle)
5256 (mm-remove-part handle))))
5260 (if (or coding-system
5263 (mm-charset-to-coding-system charset))
5264 (not (eq coding-system 'ascii))))
5265 (mm-decode-coding-string contents coding-system)
5266 (mm-string-to-multibyte contents)))
5269 (defun gnus-mime-set-charset-parameters (handle charset)
5270 "Set CHARSET to parameters in HANDLE.
5271 CHARSET may either be a string or a symbol."
5272 (unless (stringp charset)
5273 (setq charset (symbol-name charset)))
5274 (if (stringp (car handle))
5275 (dolist (h (cdr handle))
5276 (gnus-mime-set-charset-parameters h charset))
5277 (let* ((type (mm-handle-type (if (equal (mm-handle-media-type handle)
5278 "message/external-body")
5280 (unless (mm-handle-cache handle)
5281 (mm-extern-cache-contents handle))
5282 (mm-handle-cache handle))
5284 (param (assq 'charset (cdr type))))
5286 (setcdr param charset)
5287 (setcdr type (cons (cons 'charset charset) (cdr type)))))))
5289 (defun gnus-mime-view-part-as-charset (&optional handle arg)
5290 "Insert the MIME part under point into the current buffer using the
5292 (interactive (list nil current-prefix-arg))
5293 (gnus-article-check-buffer)
5294 (let ((handle (or handle (get-text-property (point) 'gnus-data)))
5295 (fun (get-text-property (point) 'gnus-callback))
5296 (gnus-newsgroup-ignored-charsets 'gnus-all)
5297 charset form preferred parts)
5304 gnus-summary-show-article-charset-alist))
5305 (mm-read-coding-system "Charset: "))))
5306 (if (mm-handle-undisplayer handle)
5307 (mm-remove-part handle)))
5308 (gnus-mime-set-charset-parameters handle charset)
5309 (when (and (consp (setq form (cdr-safe fun)))
5310 (setq form (ignore-errors
5311 (assq 'gnus-mime-display-alternative form)))
5312 (setq preferred (caddr form))
5314 (when (eq (car preferred) 'quote)
5315 (setq preferred (cadr preferred)))
5316 (not (equal preferred
5317 (get-text-property (point) 'gnus-data))))
5318 (setq parts (get-text-property (point) 'gnus-part))
5319 (setq parts (cdr (assq parts
5320 gnus-article-mime-handle-alist)))
5321 (equal (mm-handle-media-type parts) "multipart/alternative")
5322 (setq parts (reverse (cdr parts))))
5324 (list 'quote (or (cadr (member preferred parts))
5326 (funcall fun handle)))))
5328 (defun gnus-mime-view-part-externally (&optional handle)
5329 "View the MIME part under point with an external viewer."
5331 (gnus-article-check-buffer)
5332 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
5333 (mm-user-display-methods nil)
5334 (mm-inlined-types nil)
5335 (mail-parse-charset gnus-newsgroup-charset)
5336 (mail-parse-ignored-charsets
5337 (with-current-buffer gnus-summary-buffer
5338 gnus-newsgroup-ignored-charsets))
5339 (type (mm-handle-media-type handle))
5340 (method (mailcap-mime-info type))
5341 (mm-enable-external t))
5342 (if (not (stringp method))
5343 (gnus-mime-view-part-as-type
5344 nil (lambda (type) (stringp (mailcap-mime-info type))))
5346 (mm-display-part handle nil t)))))
5348 (defun gnus-mime-view-part-internally (&optional handle)
5349 "View the MIME part under point with an internal viewer.
5350 If no internal viewer is available, use an external viewer."
5352 (gnus-article-check-buffer)
5353 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
5354 (mm-inlined-types '(".*"))
5355 (mm-inline-large-images t)
5356 (mail-parse-charset gnus-newsgroup-charset)
5357 (mail-parse-ignored-charsets
5358 (with-current-buffer gnus-summary-buffer
5359 gnus-newsgroup-ignored-charsets))
5360 (inhibit-read-only t))
5361 (if (not (mm-inlinable-p handle))
5362 (gnus-mime-view-part-as-type
5363 nil (lambda (type) (mm-inlinable-p handle type)))
5365 (gnus-bind-safe-url-regexp (mm-display-part handle))))))
5367 (defun gnus-mime-action-on-part (&optional action)
5368 "Do something with the MIME attachment at \(point\)."
5370 (list (gnus-completing-read "Action" (mapcar 'car gnus-mime-action-alist) t)))
5371 (gnus-article-check-buffer)
5372 (let ((action-pair (assoc action gnus-mime-action-alist)))
5374 (funcall (cdr action-pair)))))
5376 (defun gnus-article-part-wrapper (n function &optional no-handle interactive)
5377 "Call FUNCTION on MIME part N.
5378 Unless NO-HANDLE, call FUNCTION with N-th MIME handle as it's only argument.
5379 If INTERACTIVE, call FUNCTION interactivly."
5381 ;; Check whether the article is displayed.
5382 (unless (and (gnus-buffer-live-p gnus-article-buffer)
5383 (setq window (get-buffer-window gnus-article-buffer t))
5384 (frame-visible-p (setq frame (window-frame window))))
5385 (error "No article is displayed"))
5386 (with-current-buffer gnus-article-buffer
5387 ;; Check whether the article displays the right contents.
5388 (unless (with-current-buffer gnus-summary-buffer
5389 (eq gnus-current-article (gnus-summary-article-number)))
5390 (error "You should select the right article first"))
5392 (setq n (prefix-numeric-value n))
5394 (setq n (or (get-text-property pt 'gnus-part)
5396 (get-text-property (1- pt) 'gnus-part))
5397 (get-text-property (prog2
5403 (or (and (setq pt (previous-single-property-change
5406 (next-single-property-change (point) 'gnus-part)
5410 ;; Check whether the specified part exists.
5411 (when (> n (length gnus-article-mime-handle-alist))
5412 (error "No such part")))
5415 ;; To select the window is needed so that the cursor
5416 ;; might be visible on the MIME button.
5417 (select-window (prog1
5419 (setq window (selected-window))
5420 ;; Article may be displayed in the other frame.
5421 (gnus-select-frame-set-input-focus
5424 (setq frame (selected-frame))))))
5425 (when (gnus-article-goto-part n)
5426 ;; We point the cursor and the arrow at the MIME button
5427 ;; when the `function' prompt the user for something.
5428 (unless (and (pos-visible-in-window-p)
5429 (> (count-lines (point) (window-end))
5430 (/ (1- (window-height)) 3)))
5431 (recenter (/ (1- (window-height)) 3)))
5432 (let ((cursor-in-non-selected-windows t)
5433 (overlay-arrow-string "=>")
5434 (overlay-arrow-position (point-marker)))
5437 ((and no-handle interactive)
5438 (call-interactively function))
5443 function (get-text-property (point) 'gnus-data)))
5446 (get-text-property (point) 'gnus-data))))
5447 (set-marker overlay-arrow-position nil)
5448 (unless gnus-auto-select-part
5449 (gnus-select-frame-set-input-focus frame)
5450 (select-window window))))
5452 (if gnus-inhibit-mime-unbuttonizing
5453 ;; This is the default though the program shouldn't reach here.
5454 (error "No such part")
5455 ;; The part which doesn't have the MIME button is selected.
5456 ;; So, we display all the buttons and redo it.
5457 (let ((gnus-inhibit-mime-unbuttonizing t))
5458 (gnus-summary-show-article)
5459 (gnus-article-part-wrapper n function no-handle))))))
5461 (defun gnus-article-pipe-part (n)
5462 "Pipe MIME part N, which is the numerical prefix."
5464 (gnus-article-part-wrapper n 'mm-pipe-part))
5466 (defun gnus-article-save-part (n)
5467 "Save MIME part N, which is the numerical prefix."
5469 (gnus-article-part-wrapper n 'mm-save-part))
5471 (defun gnus-article-interactively-view-part (n)
5472 "View MIME part N interactively, which is the numerical prefix."
5474 (gnus-article-part-wrapper n 'mm-interactively-view-part))
5476 (defun gnus-article-copy-part (n)
5477 "Copy MIME part N, which is the numerical prefix."
5479 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
5481 (defun gnus-article-view-part-as-charset (n)
5482 "View MIME part N using a specified charset.
5483 N is the numerical prefix."
5485 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
5487 (defun gnus-article-view-part-externally (n)
5488 "View MIME part N externally, which is the numerical prefix."
5490 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
5492 (defun gnus-article-inline-part (n)
5493 "Inline MIME part N, which is the numerical prefix."
5495 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
5497 (defun gnus-article-save-part-and-strip (n)
5498 "Save MIME part N and replace it with an external body.
5499 N is the numerical prefix."
5501 (gnus-article-part-wrapper n 'gnus-mime-save-part-and-strip t))
5503 (defun gnus-article-replace-part (n)
5504 "Replace MIME part N with an external body.
5505 N is the numerical prefix."
5507 (gnus-article-part-wrapper n 'gnus-mime-replace-part t t))
5509 (defun gnus-article-delete-part (n)
5510 "Delete MIME part N and add some information about the removed part.
5511 N is the numerical prefix."
5513 (gnus-article-part-wrapper n 'gnus-mime-delete-part t))
5515 (defun gnus-article-view-part-as-type (n)
5516 "Choose a MIME media type, and view part N as such.
5517 N is the numerical prefix."
5519 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-type t))
5521 (defun gnus-article-mime-match-handle-first (condition)
5524 (dolist (ihandle gnus-article-mime-handle-alist)
5526 ((functionp condition)
5527 (funcall condition (cdr ihandle)))
5528 ((eq condition 'undisplayed)
5529 (not (or (mm-handle-undisplayer (cdr ihandle))
5530 (equal (mm-handle-media-type (cdr ihandle))
5531 "multipart/alternative"))))
5532 ((eq condition 'undisplayed-alternative)
5533 (not (mm-handle-undisplayer (cdr ihandle))))
5535 (gnus-article-goto-part (car ihandle))
5536 (or (not n) (< (car ihandle) n)))
5537 (setq n (car ihandle))))
5541 (defun gnus-article-view-part (&optional n)
5542 "View MIME part N, which is the numerical prefix.
5543 If the part is already shown, hide the part. If N is nil, view
5546 (with-current-buffer gnus-article-buffer
5547 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
5548 gnus-article-mime-match-handle-function)))
5549 (when (> n (length gnus-article-mime-handle-alist))
5550 (error "No such part"))
5551 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
5552 (when (gnus-article-goto-part n)
5553 (if (equal (car handle) "multipart/alternative")
5554 (gnus-article-press-button)
5555 (when (eq (gnus-mm-display-part handle) 'internal)
5556 (gnus-set-window-start)))))))
5558 (defsubst gnus-article-mime-total-parts ()
5559 (if (bufferp (car gnus-article-mime-handles))
5561 (1- (length gnus-article-mime-handles))))
5563 (defun gnus-mm-display-part (handle)
5564 "Display HANDLE and fix MIME button."
5565 (let ((id (get-text-property (point) 'gnus-part))
5567 (inhibit-read-only t))
5570 (let ((window (selected-window))
5571 (mail-parse-charset gnus-newsgroup-charset)
5572 (mail-parse-ignored-charsets
5573 (if (gnus-buffer-live-p gnus-summary-buffer)
5574 (with-current-buffer gnus-summary-buffer
5575 gnus-newsgroup-ignored-charsets)
5579 (let ((win (gnus-get-buffer-window (current-buffer) t))
5582 (select-window win))
5585 (if (mm-handle-displayed-p handle)
5586 ;; This will remove the part.
5587 (mm-display-part handle)
5589 (narrow-to-region (point)
5590 (if (eobp) (point) (1+ (point))))
5591 (gnus-bind-safe-url-regexp (mm-display-part handle))
5592 ;; We narrow to the part itself and
5593 ;; then call the treatment functions.
5594 (goto-char (point-min))
5596 (narrow-to-region (point) (point-max))
5599 (gnus-article-mime-total-parts)
5600 (mm-handle-media-type handle)))))
5601 (if (window-live-p window)
5602 (select-window window)))))
5605 (gnus-insert-mime-button
5606 handle id (list (mm-handle-displayed-p handle)))
5607 (goto-char point))))
5609 (defun gnus-article-goto-part (n)
5610 "Go to MIME part N."
5611 (when gnus-break-pages
5614 (let ((start (text-property-any (point-min) (point-max) 'gnus-part n))
5615 part handle end next handles)
5618 (if (setq handle (get-text-property start 'gnus-data))
5620 ;; Go to the displayed subpart, assuming this is
5621 ;; multipart/alternative.
5624 (while (and (not handle)
5627 (setq next (text-property-not-all part end
5630 handle (get-text-property part 'gnus-data))
5631 (push (cons handle part) handles)
5632 (unless (mm-handle-displayed-p handle)
5634 part (text-property-any part end 'gnus-data nil))))
5636 ;; No subpart is displayed, so we find preferred one.
5638 (cdr (assq (mm-preferred-alternative
5639 (nreverse (mapcar 'car handles)))
5642 (goto-char (1+ part))
5644 (when gnus-break-pages
5645 (gnus-narrow-to-page))))
5647 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
5648 (let ((gnus-tmp-name
5649 (or (mail-content-type-get (mm-handle-type handle) 'name)
5650 (mail-content-type-get (mm-handle-disposition handle) 'filename)
5651 (mail-content-type-get (mm-handle-type handle) 'url)
5653 (gnus-tmp-type (mm-handle-media-type handle))
5654 (gnus-tmp-description (or (mm-handle-description handle) ""))
5656 (if (if displayed (car displayed)
5657 (mm-handle-displayed-p handle))
5659 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
5661 gnus-tmp-type-long b e)
5662 (when (string-match ".*/" gnus-tmp-name)
5663 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
5664 (setq gnus-tmp-type-long (concat gnus-tmp-type
5665 (and (not (equal gnus-tmp-name ""))
5666 (concat "; " gnus-tmp-name))))
5667 (unless (equal gnus-tmp-description "")
5668 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
5673 gnus-mime-button-line-format gnus-mime-button-line-format-alist
5674 `(keymap ,gnus-mime-button-map
5675 gnus-callback gnus-mm-display-part
5676 gnus-part ,gnus-tmp-id
5677 article-type annotation
5680 ;; Exclude a newline.
5683 (when gnus-article-button-face
5684 (gnus-overlay-put (gnus-make-overlay b e nil t)
5685 'face gnus-article-button-face))
5686 (widget-convert-button
5689 :action 'gnus-widget-press-button
5690 :button-keymap gnus-mime-button-map
5693 ;; Needed to properly clear the message due to a bug in
5694 ;; wid-edit (XEmacs only).
5695 (if (boundp 'help-echo-owns-message)
5696 (setq help-echo-owns-message t))
5698 "%S: %s the MIME part; %S: more options"
5699 (aref gnus-mouse-2 0)
5700 (if (mm-handle-displayed-p (widget-get widget :mime-handle))
5702 (aref gnus-down-mouse-3 0))))))
5704 (defun gnus-widget-press-button (elems el)
5705 (goto-char (widget-get elems :from))
5706 (gnus-article-press-button))
5708 (defvar gnus-displaying-mime nil)
5710 (defun gnus-display-mime (&optional ihandles)
5711 "Display the MIME parts."
5713 (save-selected-window
5714 (let ((window (get-buffer-window gnus-article-buffer))
5717 (select-window window)
5718 ;; We have to do this since selecting the window
5719 ;; may change the point. So we set the window point.
5720 (set-window-point window point)))
5721 (let ((handles ihandles)
5722 (inhibit-read-only t)
5725 ((setq handles (mm-dissect-buffer nil gnus-article-loose-mime))
5726 (when gnus-article-emulate-mime
5727 (mm-uu-dissect-text-parts handles)))
5728 (gnus-article-emulate-mime
5729 (setq handles (mm-uu-dissect))))
5730 (when (and (not ihandles)
5731 (not gnus-displaying-mime))
5732 ;; Top-level call; we clean up.
5733 (when gnus-article-mime-handles
5734 (mm-destroy-parts gnus-article-mime-handles)
5735 (setq gnus-article-mime-handle-alist nil));; A trick.
5736 (setq gnus-article-mime-handles handles)
5737 ;; We allow users to glean info from the handles.
5738 (when gnus-article-mime-part-function
5739 (gnus-mime-part-function handles)))
5741 (or (not (stringp (car handles)))
5744 (when (and (not ihandles)
5745 (not gnus-displaying-mime))
5746 ;; Clean up for mime parts.
5748 (delete-region (point) (point-max)))
5749 (let ((gnus-displaying-mime t))
5750 (gnus-mime-display-part handles)))
5753 (narrow-to-region (point) (point-max))
5754 (gnus-treat-article nil 1 1 "text/plain")
5757 ;; Highlight the headers.
5761 (narrow-to-region (point-min) (point))
5762 (gnus-article-save-original-date
5763 (gnus-treat-article 'head)))))))
5764 ;; Cope with broken MIME messages.
5765 (goto-char (point-max))
5769 (defcustom gnus-mime-display-multipart-as-mixed nil
5770 "Display \"multipart\" parts as \"multipart/mixed\".
5772 If t, it overrides nil values of
5773 `gnus-mime-display-multipart-alternative-as-mixed' and
5774 `gnus-mime-display-multipart-related-as-mixed'."
5775 :group 'gnus-article-mime
5778 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
5779 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
5781 :group 'gnus-article-mime
5784 (defcustom gnus-mime-display-multipart-related-as-mixed nil
5785 "Display \"multipart/related\" parts as \"multipart/mixed\".
5787 If displaying \"text/html\" is discouraged \(see
5788 `mm-discouraged-alternatives'\) images or other material inside a
5789 \"multipart/related\" part might be overlooked when this variable is nil."
5791 :group 'gnus-article-mime
5794 (defun gnus-mime-display-part (handle)
5796 ;; Maybe a broken MIME message.
5799 ((not (stringp (car handle)))
5800 (gnus-mime-display-single handle))
5801 ;; User-defined multipart
5802 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
5803 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
5805 ;; multipart/alternative
5806 ((and (equal (car handle) "multipart/alternative")
5807 (not (or gnus-mime-display-multipart-as-mixed
5808 gnus-mime-display-multipart-alternative-as-mixed)))
5809 (let ((id (1+ (length gnus-article-mime-handle-alist))))
5810 (push (cons id handle) gnus-article-mime-handle-alist)
5811 (gnus-mime-display-alternative (cdr handle) nil nil id)))
5812 ;; multipart/related
5813 ((and (equal (car handle) "multipart/related")
5814 (not (or gnus-mime-display-multipart-as-mixed
5815 gnus-mime-display-multipart-related-as-mixed)))
5816 ;;;!!!We should find the start part, but we just default
5817 ;;;!!!to the first part.
5818 ;;(gnus-mime-display-part (cadr handle))
5819 ;;;!!! Most multipart/related is an HTML message plus images.
5820 ;;;!!! Unfortunately we are unable to let W3 display those
5821 ;;;!!! included images, so we just display it as a mixed multipart.
5822 ;;(gnus-mime-display-mixed (cdr handle))
5823 ;;;!!! No, w3 can display everything just fine.
5824 (gnus-mime-display-part (cadr handle)))
5825 ((equal (car handle) "multipart/signed")
5826 (gnus-add-wash-type 'signed)
5827 (gnus-mime-display-security handle))
5828 ((equal (car handle) "multipart/encrypted")
5829 (gnus-add-wash-type 'encrypted)
5830 (gnus-mime-display-security handle))
5831 ;; Other multiparts are handled like multipart/mixed.
5833 (gnus-mime-display-mixed (cdr handle)))))
5835 (defun gnus-mime-part-function (handles)
5836 (if (stringp (car handles))
5837 (mapcar 'gnus-mime-part-function (cdr handles))
5838 (funcall gnus-article-mime-part-function handles)))
5840 (defun gnus-mime-display-mixed (handles)
5841 (mapcar 'gnus-mime-display-part handles))
5843 (defun gnus-mime-display-single (handle)
5844 (let ((type (mm-handle-media-type handle))
5845 (ignored gnus-ignored-mime-types)
5852 (when (string-match (pop ignored) type)
5853 (throw 'ignored nil)))
5854 (if (and (not (and (if (gnus-buffer-live-p gnus-summary-buffer)
5855 (with-current-buffer gnus-summary-buffer
5856 gnus-inhibit-images)
5857 gnus-inhibit-images)
5858 (string-match "\\`image/" type)))
5859 (setq not-attachment
5860 (and (not (mm-inline-override-p handle))
5861 (or (not (mm-handle-disposition handle))
5862 (equal (car (mm-handle-disposition handle))
5864 (mm-attachment-override-p handle))))
5865 (mm-automatic-display-p handle)
5867 (mm-inlinable-p handle)
5868 (mm-inlined-p handle))
5869 (mm-automatic-external-display-p type)))
5871 (when (equal (mm-handle-media-supertype handle) "text")
5873 (let ((id (1+ (length gnus-article-mime-handle-alist)))
5875 (push (cons id handle) gnus-article-mime-handle-alist)
5877 (equal (mm-handle-media-supertype handle) "message"))
5880 (cond ((not (bolp)) 2)
5881 ((or (bobp) (eq (char-before (1- (point))) ?\n)) 0)
5883 (when (or (not display)
5884 (not (gnus-unbuttonized-mime-type-p type))
5885 (eq id gnus-mime-buttonized-part-id))
5886 (gnus-insert-mime-button
5887 handle id (list (or display (and not-attachment text))))
5888 (gnus-article-insert-newline)
5889 ;; Remember modify the number of forward lines.
5897 (let ((mail-parse-charset gnus-newsgroup-charset)
5898 (mail-parse-ignored-charsets
5899 (save-excursion (condition-case ()
5900 (set-buffer gnus-summary-buffer)
5902 gnus-newsgroup-ignored-charsets)))
5903 (gnus-bind-safe-url-regexp (mm-display-part handle t)))
5904 (goto-char (point-max)))
5905 ((and text not-attachment)
5909 (gnus-article-insert-newline)
5912 (let ((charset (or (mail-content-type-get (mm-handle-type handle)
5914 (and (equal type "text/calendar") 'utf-8))))
5915 (cond ((not charset)
5916 (mm-string-as-multibyte (mm-get-part handle)))
5917 ((eq charset 'gnus-decoded)
5918 (with-current-buffer (mm-handle-buffer handle)
5921 (mm-decode-string (mm-get-part handle) charset)))))
5922 (goto-char (point-max))))
5926 (narrow-to-region beg (point))
5927 (if (eq handle gnus-article-mime-handles)
5928 ;; The format=flowed case.
5929 (gnus-treat-article nil 1 1 (mm-handle-media-type handle))
5930 ;; Don't count signature parts that are never displayed.
5931 ;; The part number should be re-calculated supposing this
5932 ;; might be a message/rfc822 part.
5934 (dolist (part gnus-article-mime-handles)
5935 (unless (or (stringp part)
5936 (equal (car (mm-handle-type part))
5937 "application/pgp-signature"))
5938 (push part handles)))
5940 nil (length (memq handle handles)) (length handles)
5941 (mm-handle-media-type handle)))))))))))
5943 (defun gnus-unbuttonized-mime-type-p (type)
5944 "Say whether TYPE is to be unbuttonized."
5945 (unless gnus-inhibit-mime-unbuttonizing
5947 (let ((types gnus-unbuttonized-mime-types))
5949 (when (string-match (pop types) type)
5950 (throw 'found t)))))
5952 (let ((types gnus-buttonized-mime-types))
5954 (when (string-match (pop types) type)
5955 (throw 'found t)))))))))
5957 (defun gnus-article-insert-newline ()
5958 "Insert a newline, but mark it as undeletable."
5959 (gnus-put-text-property
5960 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
5962 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
5963 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
5966 handle (inhibit-read-only t) from props begend not-pref)
5967 (save-window-excursion
5970 (narrow-to-region (car ibegend)
5973 (goto-char (car ibegend))
5976 (delete-region (point-min) (point-max))
5977 (mm-remove-parts handles))
5978 (setq begend (list (point-marker)))
5980 (unless (setq not-pref (cadr (member preferred ihandles)))
5981 (setq not-pref (car ihandles)))
5984 (not (gnus-unbuttonized-mime-type-p
5985 "multipart/alternative")))
5986 (gnus-add-text-properties
5989 (insert (format "%d. " id))
5993 (unless ,(not ibegend)
5994 (setq gnus-article-mime-handle-alist
5995 ',gnus-article-mime-handle-alist))
5996 (gnus-mime-display-alternative
5997 ',ihandles ',not-pref ',begend ,id))
5998 keymap ,gnus-mime-button-map
5999 ,gnus-mouse-face-prop ,gnus-article-mouse-face
6000 face ,gnus-article-button-face
6002 article-type multipart))
6003 (widget-convert-button 'link from (point)
6004 :action 'gnus-widget-press-button
6005 :button-keymap gnus-widget-button-keymap)
6007 (while (setq handle (pop handles))
6008 (gnus-add-text-properties
6011 (insert (format "(%c) %-18s"
6012 (if (equal handle preferred) ?* ? )
6013 (mm-handle-media-type handle)))
6017 (unless ,(not ibegend)
6018 (setq gnus-article-mime-handle-alist
6019 ',gnus-article-mime-handle-alist))
6020 (gnus-mime-display-alternative
6021 ',ihandles ',handle ',begend ,id))
6022 keymap ,gnus-mime-button-map
6023 ,gnus-mouse-face-prop ,gnus-article-mouse-face
6024 face ,gnus-article-button-face
6027 (widget-convert-button 'link from (point)
6028 :action 'gnus-widget-press-button
6029 :button-keymap gnus-widget-button-keymap)
6033 (if (stringp (car preferred))
6034 (gnus-display-mime preferred)
6035 (let ((mail-parse-charset gnus-newsgroup-charset)
6036 (mail-parse-ignored-charsets
6037 (with-current-buffer gnus-summary-buffer
6038 gnus-newsgroup-ignored-charsets)))
6039 (gnus-bind-safe-url-regexp (mm-display-part preferred))
6043 (narrow-to-region (car begend) (point-max))
6045 nil (length gnus-article-mime-handle-alist)
6046 (gnus-article-mime-total-parts)
6047 (mm-handle-media-type preferred))))))
6048 (goto-char (point-max))
6049 (setcdr begend (point-marker)))))
6051 (goto-char point))))
6053 (defconst gnus-article-wash-status-strings
6054 (let ((alist '((cite "c" "Possible hidden citation text"
6055 " " "All citation text visible")
6056 (headers "h" "Hidden headers"
6057 " " "All headers visible.")
6058 (pgp "p" "Encrypted or signed message status hidden"
6059 " " "No hidden encryption nor digital signature status")
6060 (signature "s" "Signature has been hidden"
6061 " " "Signature is visible")
6062 (overstrike "o" "Overstrike (^H) characters applied"
6063 " " "No overstrike characters applied")
6064 (emphasis "e" "/*_Emphasis_*/ characters applied"
6065 " " "No /*_emphasis_*/ characters applied")))
6067 (dolist (entry alist result)
6068 (let ((key (nth 0 entry))
6069 (on (copy-sequence (nth 1 entry)))
6070 (on-help (nth 2 entry))
6071 (off (copy-sequence (nth 3 entry)))
6072 (off-help (nth 4 entry)))
6073 (put-text-property 0 1 'help-echo on-help on)
6074 (put-text-property 0 1 'help-echo off-help off)
6075 (push (list key on off) result))))
6076 "Alist of strings describing wash status in the mode line.
6077 Each entry has the form (KEY ON OF), where the KEY is a symbol
6078 representing the particular washing function, ON is the string to use
6079 in the article mode line when the washing function is active, and OFF
6080 is the string to use when it is inactive.")
6082 (defun gnus-article-wash-status-entry (key value)
6083 (let ((entry (assoc key gnus-article-wash-status-strings)))
6084 (if value (nth 1 entry) (nth 2 entry))))
6086 (defun gnus-article-wash-status ()
6087 "Return a string which display status of article washing."
6088 (with-current-buffer gnus-article-buffer
6089 (let ((cite (memq 'cite gnus-article-wash-types))
6090 (headers (memq 'headers gnus-article-wash-types))
6091 (boring (memq 'boring-headers gnus-article-wash-types))
6092 (pgp (memq 'pgp gnus-article-wash-types))
6093 (pem (memq 'pem gnus-article-wash-types))
6094 (signed (memq 'signed gnus-article-wash-types))
6095 (encrypted (memq 'encrypted gnus-article-wash-types))
6096 (signature (memq 'signature gnus-article-wash-types))
6097 (overstrike (memq 'overstrike gnus-article-wash-types))
6098 (emphasis (memq 'emphasis gnus-article-wash-types)))
6100 (gnus-article-wash-status-entry 'cite cite)
6101 (gnus-article-wash-status-entry 'headers (or headers boring))
6102 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
6103 (gnus-article-wash-status-entry 'signature signature)
6104 (gnus-article-wash-status-entry 'overstrike overstrike)
6105 (gnus-article-wash-status-entry 'emphasis emphasis)))))
6107 (defun gnus-add-wash-type (type)
6108 "Add a washing of TYPE to the current status."
6109 (add-to-list 'gnus-article-wash-types type))
6111 (defun gnus-delete-wash-type (type)
6112 "Add a washing of TYPE to the current status."
6113 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
6115 (defun gnus-add-image (category image)
6116 "Add IMAGE of CATEGORY to the list of displayed images."
6117 (let ((entry (assq category gnus-article-image-alist)))
6119 (setq entry (list category))
6120 (push entry gnus-article-image-alist))
6121 (nconc entry (list image))))
6123 (defun gnus-delete-images (category)
6124 "Delete all images in CATEGORY."
6125 (let ((entry (assq category gnus-article-image-alist)))
6126 (dolist (image (cdr entry))
6127 (gnus-remove-image image category))
6128 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
6129 (gnus-delete-wash-type category)))
6131 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
6133 (defun gnus-article-maybe-hide-headers ()
6134 "Hide unwanted headers if `gnus-have-all-headers' is nil.
6135 Provided for backwards compatibility."
6136 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
6137 (not (with-current-buffer gnus-summary-buffer
6138 gnus-have-all-headers)))
6139 (not gnus-inhibit-hiding))
6140 (gnus-article-hide-headers)))
6144 (defun gnus-output-to-file (file-name)
6145 "Append the current article to a file named FILE-NAME.
6146 If `gnus-article-save-coding-system' is non-nil, it is used to encode
6147 text and used as the value of the coding cookie which is added to the
6148 top of a file. Otherwise, this function saves a raw article without
6150 (let* ((artbuf (current-buffer))
6151 (file-name-coding-system nnmail-pathname-coding-system)
6152 (coding gnus-article-save-coding-system)
6153 (coding-system-for-read (if coding
6154 nil ;; Rely on the coding cookie.
6155 mm-text-coding-system))
6156 (coding-system-for-write (or coding
6157 mm-text-coding-system-for-write
6158 mm-text-coding-system))
6159 (exists (file-exists-p file-name)))
6162 (insert-file-contents file-name)
6163 (goto-char (point-min))
6164 ;; Remove the existing coding cookie.
6165 (when (looking-at "X-Gnus-Coding-System: .+\n\n")
6166 (delete-region (match-beginning 0) (match-end 0))))
6167 (goto-char (point-max))
6168 (insert-buffer-substring artbuf)
6169 ;; Append newline at end of the buffer as separator, and then
6171 (goto-char (point-max))
6174 ;; If the coding system is not suitable to encode the text,
6175 ;; ask a user for a proper one.
6176 (when (fboundp 'select-safe-coding-system)
6177 (setq coding (coding-system-base
6178 (save-window-excursion
6179 (select-safe-coding-system (point-min) (point-max)
6181 (setq coding-system-for-write
6182 (or (cdr (assq coding '((mule-utf-8 . utf-8))))
6184 (goto-char (point-min))
6185 ;; Add the coding cookie.
6186 (insert (format "X-Gnus-Coding-System: -*- coding: %s; -*-\n\n"
6187 coding-system-for-write)))
6190 (write-region (point-min) (point-max) file-name nil 'no-message)
6191 (message "Appended to %s" file-name))
6192 (write-region (point-min) (point-max) file-name))))
6195 (defun gnus-narrow-to-page (&optional arg)
6196 "Narrow the article buffer to a page.
6197 If given a numerical ARG, move forward ARG pages."
6199 (setq arg (if arg (prefix-numeric-value arg) 0))
6200 (with-current-buffer gnus-article-buffer
6202 ;; Remove any old next/prev buttons.
6203 (when (gnus-visual-p 'page-marker)
6204 (let ((inhibit-read-only t))
6205 (gnus-remove-text-with-property 'gnus-prev)
6206 (gnus-remove-text-with-property 'gnus-next)))
6208 (when (save-excursion
6210 (if (re-search-backward page-delimiter nil 'move (abs arg))
6212 (setq nd (match-beginning 0)
6214 (when (re-search-backward page-delimiter nil t)
6215 (setq st (match-end 0))))
6216 (when (re-search-forward page-delimiter nil t)
6217 (setq nd (match-beginning 0)
6220 (if (re-search-forward page-delimiter nil 'move arg)
6222 (setq st (match-end 0)
6224 (when (re-search-forward page-delimiter nil t)
6225 (setq nd (match-beginning 0))))
6226 (when (re-search-backward page-delimiter nil t)
6227 (setq st (match-end 0)
6230 (when (re-search-backward page-delimiter nil t)
6231 (goto-char (setq st (match-end 0))))
6232 (when (re-search-forward page-delimiter nil t)
6233 (setq nd (match-beginning 0)))
6235 (setq gnus-page-broken t)
6236 (when pt (goto-char pt))
6237 (narrow-to-region (or st (point-min)) (or nd (point-max)))
6238 (when (gnus-visual-p 'page-marker)
6242 (gnus-insert-next-page-button))
6245 (gnus-insert-prev-page-button))))))))
6247 ;; Article mode commands
6249 (defun gnus-article-goto-next-page ()
6250 "Show the next page of the article."
6252 (when (gnus-article-next-page)
6253 (goto-char (point-min))
6254 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
6257 (defun gnus-article-goto-prev-page ()
6258 "Show the previous page of the article."
6260 (if (save-restriction (widen) (bobp)) ;; Real beginning-of-buffer?
6261 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
6262 (gnus-article-prev-page nil)))
6264 ;; This is cleaner but currently breaks `gnus-pick-mode':
6266 ;; (defun gnus-article-goto-next-page ()
6267 ;; "Show the next page of the article."
6269 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
6270 ;; (gnus-summary-next-page)))
6272 ;; (defun gnus-article-goto-prev-page ()
6273 ;; "Show the next page of the article."
6275 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
6276 ;; (gnus-summary-prev-page)))
6278 (defun gnus-article-next-page (&optional lines)
6279 "Show the next page of the current article.
6280 If end of article, return non-nil. Otherwise return nil.
6281 Argument LINES specifies lines to be scrolled up."
6283 (move-to-window-line (if (featurep 'xemacs) -1 (- -1 scroll-margin)))
6284 (if (and (not (and gnus-article-over-scroll
6285 (> (count-lines (window-start) (point-max))
6286 (if (featurep 'xemacs)
6287 (or lines (1- (window-height)))
6288 (+ (or lines (1- (window-height))) scroll-margin)))))
6291 (and (pos-visible-in-window-p) ;Not continuation line.
6292 (>= (1+ (point)) (point-max))))) ;Allow for trailing newline.
6293 ;; Nothing in this page.
6294 (if (or (not gnus-page-broken)
6299 (eobp)))) ;Real end-of-buffer?
6301 (when gnus-article-over-scroll
6302 (gnus-article-next-page-1 lines))
6304 (gnus-narrow-to-page 1) ;Go to next page.
6306 ;; More in this page.
6307 (gnus-article-next-page-1 lines)
6310 (defun gnus-article-beginning-of-window ()
6311 "Move point to the beginning of the window.
6312 In Emacs, the point is placed at the line number which `scroll-margin'
6314 (if (featurep 'xemacs)
6315 (move-to-window-line 0)
6316 ;; There is an obscure bug in Emacs that makes it impossible to
6317 ;; scroll past big pictures in the article buffer. Try to fix
6318 ;; this by adding a sanity check by counting the lines visible.
6319 (when (> (count-lines (window-start) (window-end)) 30)
6320 (move-to-window-line
6321 (min (max 0 scroll-margin)
6322 (max 1 (- (window-height)
6323 (if mode-line-format 1 0)
6324 (if header-line-format 1 0)
6327 (defun gnus-article-next-page-1 (lines)
6329 (let ((scroll-in-place nil))
6332 ;; Long lines may cause an end-of-buffer error.
6333 (goto-char (point-max))))
6334 (gnus-article-beginning-of-window))
6336 (defun gnus-article-prev-page (&optional lines)
6337 "Show previous page of current article.
6338 Argument LINES specifies lines to be scrolled down."
6340 (move-to-window-line 0)
6341 (if (and gnus-page-broken
6343 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
6345 (gnus-narrow-to-page -1) ;Go to previous page.
6346 (goto-char (point-max))
6347 (recenter (if gnus-article-over-scroll
6349 (max (if (featurep 'xemacs)
6351 (+ lines scroll-margin))
6353 (- (window-height) 2))
6357 (let ((scroll-in-place nil))
6358 (scroll-down lines))
6359 (beginning-of-buffer
6360 (goto-char (point-min))))
6361 (gnus-article-beginning-of-window))))
6363 (defun gnus-article-only-boring-p ()
6364 "Decide whether there is only boring text remaining in the article.
6365 Something \"interesting\" is a word of at least two letters that does
6366 not have a face in `gnus-article-boring-faces'."
6367 (when (and gnus-article-skip-boring
6368 (boundp 'gnus-article-boring-faces)
6369 (symbol-value 'gnus-article-boring-faces))
6371 (let ((inhibit-point-motion-hooks t))
6373 (while (re-search-forward "\\b\\w\\w" nil t)
6375 (when (not (gnus-intersection
6376 (gnus-faces-at (point))
6377 (symbol-value 'gnus-article-boring-faces)))
6378 (throw 'only-boring nil)))
6379 (throw 'only-boring t))))))
6381 (defun gnus-article-refer-article ()
6382 "Read article specified by message-id around point."
6385 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
6386 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
6387 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
6388 (let ((msg-id (concat "<" (match-string 0) ">")))
6389 (set-buffer gnus-summary-buffer)
6390 (gnus-summary-refer-article msg-id))
6391 (error "No references around point"))))
6393 (defun gnus-article-show-summary ()
6394 "Reconfigure windows to show summary buffer."
6396 (if (not (gnus-buffer-live-p gnus-summary-buffer))
6397 (error "There is no summary buffer for this article buffer")
6398 (gnus-article-set-globals)
6399 (gnus-configure-windows 'article)
6400 (gnus-summary-goto-subject gnus-current-article)
6401 (gnus-summary-position-point)))
6403 (defun gnus-article-describe-briefly ()
6404 "Describe article mode commands briefly."
6406 (gnus-message 6 "%s" (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")))
6408 (defun gnus-article-check-buffer ()
6409 "Beep if not in an article buffer."
6410 (unless (equal major-mode 'gnus-article-mode)
6411 (error "Command invoked outside of a Gnus article buffer")))
6413 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
6414 "Read a summary buffer key sequence and execute it from the article buffer."
6416 (gnus-article-check-buffer)
6418 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
6419 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
6420 "=" "^" "\M-^" "|"))
6422 '("A " "A<" "A>" "AM" "AP" "AR" "AT" "A\C-?" "A\M-\r" "A\r" "Ab" "Ae"
6423 "An" "Ap" [?A (meta return)] [?A delete]))
6427 '("n" "Gn" "p" "Gp"))
6429 (with-current-buffer gnus-article-current-summary
6430 (let (gnus-pick-mode)
6431 (setq unread-command-events (nconc unread-command-events
6432 (list (or key last-command-event)))
6433 keys (if (featurep 'xemacs)
6434 (events-to-keys (read-key-sequence nil t))
6435 (read-key-sequence nil t)))))
6440 ((eq (aref keys (1- (length keys))) ?\C-h)
6441 (gnus-article-describe-bindings (substring keys 0 -1)))
6442 ((or (member keys nosaves)
6443 (member keys nosave-but-article)
6444 (member keys nosave-in-article))
6446 (save-window-excursion
6447 (pop-to-buffer gnus-article-current-summary)
6448 ;; We disable the pick minor mode commands.
6449 (let (gnus-pick-mode)
6450 (setq func (key-binding keys t))))
6454 (unless (member keys nosave-in-article)
6455 (set-buffer gnus-article-current-summary))
6456 (call-interactively func)
6457 (setq new-sum-point (point)))
6458 (when (member keys nosave-but-article)
6459 (pop-to-buffer gnus-article-buffer))))
6461 ;; These commands should restore window configuration.
6462 (let ((obuf (current-buffer))
6463 (owin (current-window-configuration))
6464 win func in-buffer selected new-sum-start new-sum-hscroll err)
6465 (cond (not-restore-window
6466 (pop-to-buffer gnus-article-current-summary)
6467 (setq win (selected-window)))
6468 ((setq win (get-buffer-window gnus-article-current-summary))
6469 (select-window win))
6471 (let ((summary-buffer gnus-article-current-summary))
6472 (gnus-configure-windows 'article)
6473 (unless (setq win (get-buffer-window summary-buffer 'visible))
6474 (let ((gnus-buffer-configuration
6475 '((article ((vertical 1.0
6476 (summary 0.25 point)
6478 (gnus-configure-windows 'article))
6479 (setq win (get-buffer-window summary-buffer 'visible)))
6480 (gnus-select-frame-set-input-focus (window-frame win))
6481 (select-window win))))
6482 (setq in-buffer (current-buffer))
6483 ;; We disable the pick minor mode commands.
6484 (if (and (setq func (let (gnus-pick-mode)
6485 (key-binding keys t)))
6487 (condition-case code
6489 (call-interactively func)
6495 (when (eq win (selected-window))
6496 (setq new-sum-point (point)
6497 new-sum-start (window-start win)
6498 new-sum-hscroll (window-hscroll win)))
6499 (when (or (eq in-buffer (current-buffer))
6500 (when (eq obuf (current-buffer))
6501 (set-buffer in-buffer)
6503 (setq selected (gnus-summary-select-article))
6505 (unless not-restore-window
6506 (set-window-configuration owin))
6507 (when (and (eq selected 'old)
6509 (set-window-start (get-buffer-window (current-buffer))
6511 (set-window-point (get-buffer-window (current-buffer))
6512 (if (article-goto-body)
6515 (when (and (not not-restore-window)
6518 (with-current-buffer (window-buffer win)
6519 (eq major-mode 'gnus-summary-mode)))
6520 (set-window-point win new-sum-point)
6521 (set-window-start win new-sum-start)
6522 (set-window-hscroll win new-sum-hscroll))))
6523 (set-window-configuration owin)
6525 (signal (car err) (cdr err))
6528 (defun gnus-article-read-summary-send-keys ()
6530 (let ((unread-command-events (list (gnus-character-to-event ?S))))
6531 (gnus-article-read-summary-keys)))
6533 (defun gnus-article-describe-key (key)
6534 "Display documentation of the function invoked by KEY.
6535 KEY is a string or a vector."
6536 (interactive (list (let ((cursor-in-echo-area t)) ;; better for XEmacs.
6537 (read-key-sequence "Describe key: "))))
6538 (gnus-article-check-buffer)
6539 (if (memq (key-binding key t) '(gnus-article-read-summary-keys
6540 gnus-article-read-summary-send-keys))
6541 (with-current-buffer gnus-article-current-summary
6542 (setq unread-command-events
6543 (if (featurep 'xemacs)
6545 (mapcar (lambda (x) (if (and (integerp x) (>= x 128))
6546 (list 'meta (- x 128))
6549 (let ((cursor-in-echo-area t)
6551 (describe-key (read-key-sequence nil t))))
6552 (describe-key key)))
6554 (defun gnus-article-describe-key-briefly (key &optional insert)
6555 "Display documentation of the function invoked by KEY.
6556 KEY is a string or a vector."
6557 (interactive (list (let ((cursor-in-echo-area t)) ;; better for XEmacs.
6558 (read-key-sequence "Describe key: "))
6559 current-prefix-arg))
6560 (gnus-article-check-buffer)
6561 (if (memq (key-binding key t) '(gnus-article-read-summary-keys
6562 gnus-article-read-summary-send-keys))
6563 (with-current-buffer gnus-article-current-summary
6564 (setq unread-command-events
6565 (if (featurep 'xemacs)
6567 (mapcar (lambda (x) (if (and (integerp x) (>= x 128))
6568 (list 'meta (- x 128))
6571 (let ((cursor-in-echo-area t)
6573 (describe-key-briefly (read-key-sequence nil t) insert)))
6574 (describe-key-briefly key insert)))
6576 ;;`gnus-agent-mode' in gnus-agent.el will define it.
6577 (defvar gnus-agent-summary-mode)
6578 (defvar gnus-draft-mode)
6579 ;; Calling help-buffer will autoload help-mode.
6580 (defvar help-xref-stack-item)
6581 ;; Emacs 22 doesn't load it in the batch mode.
6583 (autoload 'help-buffer "help-mode"))
6585 (defun gnus-article-describe-bindings (&optional prefix)
6586 "Show a list of all defined keys, and their definitions.
6587 The optional argument PREFIX, if non-nil, should be a key sequence;
6588 then we display only bindings that start with that prefix."
6590 (gnus-article-check-buffer)
6591 (let ((keymap (copy-keymap gnus-article-mode-map))
6592 (map (copy-keymap gnus-article-send-map))
6593 (sumkeys (where-is-internal 'gnus-article-read-summary-keys))
6595 (define-key keymap "S" map)
6596 (define-key map [t] nil)
6597 (with-current-buffer gnus-article-current-summary
6600 (if (setq parent (keymap-parent gnus-article-mode-map))
6602 (setq parent (copy-keymap parent))
6603 (set-keymap-parent parent (current-local-map)))
6604 (current-local-map)))
6605 (set-keymap-parent map (key-binding "S"))
6606 (let (key def gnus-pick-mode)
6608 (setq key (pop sumkeys))
6609 (cond ((and (vectorp key) (= (length key) 1)
6610 (consp (setq def (aref key 0)))
6611 (numberp (car def)) (numberp (cdr def)))
6612 (when (< (max (car def) (cdr def)) 128)
6616 (nreverse (gnus-uncompress-range def)))
6618 ((setq def (key-binding key))
6619 (unless (eq def 'undefined)
6620 (define-key keymap key def))))))
6621 (when (boundp 'gnus-agent-summary-mode)
6622 (setq agent gnus-agent-summary-mode))
6623 (when (boundp 'gnus-draft-mode)
6624 (setq draft gnus-draft-mode)))
6626 (use-local-map keymap)
6627 (set (make-local-variable 'gnus-agent-summary-mode) agent)
6628 (set (make-local-variable 'gnus-draft-mode) draft)
6629 (describe-bindings prefix))
6630 (let ((item `((lambda (prefix)
6631 (with-current-buffer ,(current-buffer)
6632 (gnus-article-describe-bindings prefix)))
6634 (with-current-buffer (let (help-xref-following) (help-buffer))
6635 (setq help-xref-stack-item item)))))
6637 (defun gnus-article-reply-with-original (&optional wide)
6638 "Start composing a reply mail to the current message.
6639 The text in the region will be yanked. If the region isn't active,
6640 the entire article will be yanked."
6642 (let ((article (cdr gnus-article-current))
6644 (if (not (gnus-region-active-p))
6645 (with-current-buffer gnus-summary-buffer
6646 (gnus-summary-reply (list (list article)) wide))
6647 (setq contents (buffer-substring (point) (mark t)))
6648 ;; Deactivate active regions.
6649 (when (and (boundp 'transient-mark-mode)
6650 transient-mark-mode)
6651 (setq mark-active nil))
6652 (with-current-buffer gnus-summary-buffer
6654 (list (list article contents)) wide)))))
6656 (defun gnus-article-wide-reply-with-original ()
6657 "Start composing a wide reply mail to the current message.
6658 The text in the region will be yanked. If the region isn't active,
6659 the entire article will be yanked."
6661 (gnus-article-reply-with-original t))
6663 (defun gnus-article-followup-with-original ()
6664 "Compose a followup to the current article.
6665 The text in the region will be yanked. If the region isn't active,
6666 the entire article will be yanked."
6668 (let ((article (cdr gnus-article-current))
6670 (if (not (gnus-region-active-p))
6671 (with-current-buffer gnus-summary-buffer
6672 (gnus-summary-followup (list (list article))))
6673 (setq contents (buffer-substring (point) (mark t)))
6674 ;; Deactivate active regions.
6675 (when (and (boundp 'transient-mark-mode)
6676 transient-mark-mode)
6677 (setq mark-active nil))
6678 (with-current-buffer gnus-summary-buffer
6679 (gnus-summary-followup
6680 (list (list article contents)))))))
6682 (defun gnus-article-hide (&optional arg force)
6683 "Hide all the gruft in the current article.
6684 This means that signatures, cited text and (some) headers will be
6686 If given a prefix, show the hidden text instead."
6687 (interactive (append (gnus-article-hidden-arg) (list 'force)))
6688 (gnus-article-hide-headers arg)
6689 (gnus-article-hide-list-identifiers arg)
6690 (gnus-article-hide-citation-maybe arg force)
6691 (gnus-article-hide-signature arg))
6693 (defun gnus-article-maybe-highlight ()
6694 "Do some article highlighting if article highlighting is requested."
6695 (when (gnus-visual-p 'article-highlight 'highlight)
6696 (gnus-article-highlight-some)))
6698 (defun gnus-check-group-server ()
6699 ;; Make sure the connection to the server is alive.
6700 (unless (gnus-server-opened
6701 (gnus-find-method-for-group gnus-newsgroup-name))
6702 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
6703 (gnus-request-group gnus-newsgroup-name t)))
6706 (autoload 'nneething-get-file-name "nneething"))
6708 (defun gnus-request-article-this-buffer (article group)
6709 "Get an article and insert it into this buffer."
6710 (let (do-update-line sparse-header)
6714 (gnus-kill-all-overlays)
6715 (setq group (or group gnus-newsgroup-name))
6717 ;; Using `gnus-request-article' directly will insert the article into
6718 ;; `nntp-server-buffer' - so we'll save some time by not having to
6719 ;; copy it from the server buffer into the article buffer.
6721 ;; We only request an article by message-id when we do not have the
6722 ;; headers for it, so we'll have to get those.
6723 (when (stringp article)
6724 (gnus-read-header article))
6726 ;; If the article number is negative, that means that this article
6727 ;; doesn't belong in this newsgroup (possibly), so we find its
6728 ;; message-id and request it by id instead of number.
6729 (when (and (numberp article)
6731 (get-buffer gnus-summary-buffer)
6732 (gnus-buffer-exists-p gnus-summary-buffer))
6733 (with-current-buffer gnus-summary-buffer
6734 (let ((header (gnus-summary-article-header article)))
6737 ((memq article gnus-newsgroup-sparse)
6738 ;; This is a sparse gap article.
6739 (setq do-update-line article)
6740 (setq article (mail-header-id header))
6741 (setq sparse-header (gnus-read-header article))
6742 (setq gnus-newsgroup-sparse
6743 (delq article gnus-newsgroup-sparse)))
6745 ;; It's a real article.
6746 (setq article (mail-header-id header)))
6748 ;; It is an extracted pseudo-article.
6749 (setq article 'pseudo)
6750 (gnus-request-pseudo-article header))))
6752 (let ((method (gnus-find-method-for-group
6753 gnus-newsgroup-name)))
6754 (when (and (eq (car method) 'nneething)
6756 (let ((dir (nneething-get-file-name
6757 (mail-header-id header))))
6758 (when (and (stringp dir)
6759 (file-directory-p dir))
6760 (setq article 'nneething)
6761 (gnus-group-enter-directory dir))))))))
6764 ;; Refuse to select canceled articles.
6765 ((and (numberp article)
6767 (get-buffer gnus-summary-buffer)
6768 (gnus-buffer-exists-p gnus-summary-buffer)
6769 (eq (cdr (with-current-buffer gnus-summary-buffer
6770 (assq article gnus-newsgroup-reads)))
6771 gnus-canceled-mark))
6773 ;; We first check `gnus-original-article-buffer'.
6774 ((and (get-buffer gnus-original-article-buffer)
6776 (with-current-buffer gnus-original-article-buffer
6777 (and (equal (car gnus-original-article) group)
6778 (eq (cdr gnus-original-article) article))))
6779 ;; `insert-buffer-substring' would incorrectly use the
6780 ;; equivalent of string-make-multibyte which amount to decoding
6781 ;; with locale-coding-system, causing failure of
6782 ;; subsequent decoding.
6783 (insert (mm-string-to-multibyte
6784 (with-current-buffer gnus-original-article-buffer
6785 (buffer-substring (point-min) (point-max)))))
6787 ;; Check the backlog.
6788 ((and gnus-keep-backlog
6789 (gnus-backlog-request-article group article (current-buffer)))
6791 ;; Check asynchronous pre-fetch.
6792 ((gnus-async-request-fetched-article group article (current-buffer))
6793 (gnus-async-prefetch-next group article gnus-summary-buffer)
6794 (when (and (numberp article) gnus-keep-backlog)
6795 (gnus-backlog-enter-article group article (current-buffer)))
6798 ((and gnus-use-cache
6800 (gnus-cache-request-article article group))
6802 ;; Check the agent cache.
6803 ((gnus-agent-request-article article group)
6805 ;; Get the article and put into the article buffer.
6806 ((or (stringp article)
6808 (let ((gnus-override-method gnus-override-method)
6809 (methods (and (stringp article)
6810 gnus-refer-article-method))
6811 (backend (car (gnus-find-method-for-group
6812 gnus-newsgroup-name)))
6814 (inhibit-read-only t))
6815 (if (or (not (listp methods))
6816 (and (symbolp (car methods))
6817 (assq (car methods) nnoo-definition-alist)))
6818 (setq methods (list methods)))
6819 (when (and (null gnus-override-method)
6821 (setq gnus-override-method (pop methods)))
6823 (when (eq gnus-override-method 'current)
6824 (setq gnus-override-method
6825 (with-current-buffer gnus-summary-buffer
6826 gnus-current-select-method)))
6828 (gnus-kill-all-overlays)
6829 (let ((gnus-newsgroup-name group))
6830 (gnus-check-group-server))
6832 ((gnus-request-article article group (current-buffer))
6833 (when (numberp article)
6834 (gnus-async-prefetch-next group article
6835 gnus-summary-buffer)
6836 (when gnus-keep-backlog
6837 (gnus-backlog-enter-article
6838 group article (current-buffer))))
6839 (setq result 'article))
6841 (setq gnus-override-method (pop methods)))
6842 ((not (string-match "^400 "
6843 (nnheader-get-report backend)))
6844 ;; If we get 400 server disconnect, reconnect and
6845 ;; retry; otherwise, assume the article has expired.
6846 (setq result 'done))))
6847 (and (eq result 'article) 'article)))
6851 ;; Associate this article with the current summary buffer.
6852 (setq gnus-article-current-summary gnus-summary-buffer)
6854 ;; Take the article from the original article buffer
6855 ;; and place it in the buffer it's supposed to be in.
6856 (when (and (get-buffer gnus-article-buffer)
6857 (equal (buffer-name (current-buffer))
6858 (buffer-name (get-buffer gnus-article-buffer))))
6860 (if (get-buffer gnus-original-article-buffer)
6861 (set-buffer gnus-original-article-buffer)
6862 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
6863 (buffer-disable-undo)
6864 (setq major-mode 'gnus-original-article-mode)
6865 (setq buffer-read-only t))
6866 (let ((inhibit-read-only t))
6868 (insert-buffer-substring gnus-article-buffer))
6869 (setq gnus-original-article (cons group article)))
6872 (run-hooks 'gnus-article-decode-hook)
6873 ;; Mark article as decoded or not.
6874 (setq gnus-article-decoded-p gnus-article-decode-hook))
6876 ;; Update sparse articles.
6877 (when (and do-update-line
6878 (or (numberp article)
6880 (let ((buf (current-buffer)))
6881 (set-buffer gnus-summary-buffer)
6882 (gnus-summary-update-article do-update-line sparse-header)
6883 (gnus-summary-goto-subject do-update-line nil t)
6884 (set-window-point (gnus-get-buffer-window (current-buffer) t)
6886 (set-buffer buf))))))
6888 (defun gnus-block-private-groups (group)
6889 (if (gnus-news-group-p group)
6890 ;; Block nothing in news groups.
6892 ;; Block everything anywhere else.
6895 (defun gnus-blocked-images ()
6896 (if (functionp gnus-blocked-images)
6897 (funcall gnus-blocked-images gnus-newsgroup-name)
6898 gnus-blocked-images))
6904 (defcustom gnus-article-edit-mode-hook nil
6905 "Hook run in article edit mode buffers."
6906 :group 'gnus-article-various
6909 (defvar gnus-article-edit-done-function nil)
6911 (defvar gnus-article-edit-mode-map nil)
6913 ;; Should we be using derived.el for this?
6914 (unless gnus-article-edit-mode-map
6915 (setq gnus-article-edit-mode-map (make-keymap))
6916 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
6918 (gnus-define-keys gnus-article-edit-mode-map
6919 "\C-c?" describe-mode
6920 "\C-c\C-c" gnus-article-edit-done
6921 "\C-c\C-k" gnus-article-edit-exit
6922 "\C-c\C-f\C-t" message-goto-to
6923 "\C-c\C-f\C-o" message-goto-from
6924 "\C-c\C-f\C-b" message-goto-bcc
6925 ;;"\C-c\C-f\C-w" message-goto-fcc
6926 "\C-c\C-f\C-c" message-goto-cc
6927 "\C-c\C-f\C-s" message-goto-subject
6928 "\C-c\C-f\C-r" message-goto-reply-to
6929 "\C-c\C-f\C-n" message-goto-newsgroups
6930 "\C-c\C-f\C-d" message-goto-distribution
6931 "\C-c\C-f\C-f" message-goto-followup-to
6932 "\C-c\C-f\C-m" message-goto-mail-followup-to
6933 "\C-c\C-f\C-k" message-goto-keywords
6934 "\C-c\C-f\C-u" message-goto-summary
6935 "\C-c\C-f\C-i" message-insert-or-toggle-importance
6936 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
6937 "\C-c\C-b" message-goto-body
6938 "\C-c\C-i" message-goto-signature
6940 "\C-c\C-t" message-insert-to
6941 "\C-c\C-n" message-insert-newsgroups
6942 "\C-c\C-o" message-sort-headers
6943 "\C-c\C-e" message-elide-region
6944 "\C-c\C-v" message-delete-not-region
6945 "\C-c\C-z" message-kill-to-signature
6946 "\M-\r" message-newline-and-reformat
6947 "\C-c\C-a" mml-attach-file
6948 "\C-a" message-beginning-of-line
6950 "\M-;" comment-region)
6952 (gnus-define-keys (gnus-article-edit-wash-map
6953 "\C-c\C-w" gnus-article-edit-mode-map)
6954 "f" gnus-article-edit-full-stops))
6957 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
6959 ["Fetch To" message-insert-to t]
6960 ["Fetch Newsgroups" message-insert-newsgroups t]
6962 ["To" message-goto-to t]
6963 ["From" message-goto-from t]
6964 ["Subject" message-goto-subject t]
6965 ["Cc" message-goto-cc t]
6966 ["Reply-To" message-goto-reply-to t]
6967 ["Summary" message-goto-summary t]
6968 ["Keywords" message-goto-keywords t]
6969 ["Newsgroups" message-goto-newsgroups t]
6970 ["Followup-To" message-goto-followup-to t]
6971 ["Mail-Followup-To" message-goto-mail-followup-to t]
6972 ["Distribution" message-goto-distribution t]
6973 ["Body" message-goto-body t]
6974 ["Signature" message-goto-signature t]))
6976 (define-derived-mode gnus-article-edit-mode message-mode "Article Edit"
6977 "Major mode for editing articles.
6978 This is an extended text-mode.
6980 \\{gnus-article-edit-mode-map}"
6981 (make-local-variable 'gnus-article-edit-done-function)
6982 (make-local-variable 'gnus-prev-winconf)
6983 (set (make-local-variable 'font-lock-defaults)
6984 '(message-font-lock-keywords t))
6985 (set (make-local-variable 'mail-header-separator) "")
6986 (set (make-local-variable 'gnus-article-edit-mode) t)
6987 (easy-menu-add message-mode-field-menu message-mode-map)
6989 (setq buffer-read-only nil)
6990 (buffer-enable-undo)
6993 (defun gnus-article-edit (&optional force)
6994 "Edit the current article.
6995 This will have permanent effect only in mail groups.
6996 If FORCE is non-nil, allow editing of articles even in read-only
6999 (when (and (not force)
7000 (gnus-group-read-only-p))
7001 (error "The current newsgroup does not support article editing"))
7002 (gnus-article-date-original)
7003 (gnus-article-edit-article
7005 `(lambda (no-highlight)
7007 (gnus-summary-edit-article-done
7008 ,(or (mail-header-references gnus-current-headers) "")
7009 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
7011 (defun gnus-article-edit-article (start-func exit-func &optional quiet)
7012 "Start editing the contents of the current article buffer."
7013 (let ((winconf (current-window-configuration)))
7014 (set-buffer gnus-article-buffer)
7015 (let ((message-auto-save-directory
7016 ;; Don't associate the article buffer with a draft file.
7018 (gnus-article-edit-mode))
7019 (funcall start-func)
7020 (set-buffer-modified-p nil)
7021 (gnus-configure-windows 'edit-article)
7022 (setq gnus-article-edit-done-function exit-func)
7023 (setq gnus-prev-winconf winconf)
7025 (gnus-message 6 "C-c C-c to end edits"))))
7027 (defun gnus-article-edit-done (&optional arg)
7028 "Update the article edits and exit."
7030 (let ((func gnus-article-edit-done-function)
7031 (buf (current-buffer))
7032 (start (window-start))
7034 (winconf gnus-prev-winconf))
7035 (widen) ;; Widen it in case that users narrowed the buffer.
7038 ;; The cache and backlog have to be flushed somewhat.
7039 (when gnus-keep-backlog
7040 (gnus-backlog-remove-article
7041 (car gnus-article-current) (cdr gnus-article-current)))
7042 ;; Flush original article as well.
7043 (gnus-flush-original-article-buffer)
7044 (when gnus-use-cache
7045 (gnus-cache-update-article
7046 (car gnus-article-current) (cdr gnus-article-current)))
7047 ;; We remove all text props from the article buffer.
7048 (kill-all-local-variables)
7049 (set-text-properties (point-min) (point-max) nil)
7051 (set-window-configuration winconf)
7053 (set-window-start (get-buffer-window buf) start)
7054 (set-window-point (get-buffer-window buf) (point)))
7055 (gnus-summary-show-article))
7057 (defun gnus-flush-original-article-buffer ()
7058 (when (get-buffer gnus-original-article-buffer)
7059 (with-current-buffer gnus-original-article-buffer
7060 (setq gnus-original-article nil))))
7062 (defun gnus-article-edit-exit ()
7063 "Exit the article editing without updating."
7065 (when (or (not (buffer-modified-p))
7066 (yes-or-no-p "Article modified; kill anyway? "))
7067 (let ((curbuf (current-buffer))
7069 (window-start (window-start)))
7071 (if (gnus-buffer-live-p gnus-original-article-buffer)
7072 (insert-buffer-substring gnus-original-article-buffer))
7073 (let ((winconf gnus-prev-winconf))
7074 (kill-all-local-variables)
7076 (set-window-configuration winconf)
7077 ;; Tippy-toe some to make sure that point remains where it was.
7078 (save-current-buffer
7080 (set-window-start (get-buffer-window (current-buffer)) window-start)
7082 (gnus-summary-show-article)))
7084 (defun gnus-article-edit-full-stops ()
7085 "Interactively repair spacing at end of sentences."
7088 (goto-char (point-min))
7089 (search-forward-regexp "^$" nil t)
7090 (let ((case-fold-search nil))
7091 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
7094 ;;; Article highlights
7097 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
7099 ;;; Internal Variables:
7101 (defcustom gnus-button-url-regexp
7103 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|"
7104 "nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)"
7105 "\\(//[-a-z0-9_.]+:[0-9]*\\)?"
7106 (if (string-match "[[:digit:]]" "1") ;; Support POSIX?
7107 (let ((chars "-a-z0-9_=#$@~%&*+\\/[:word:]")
7111 ;; Match paired parentheses, e.g. in Wikipedia URLs:
7112 ;; http://thread.gmane.org/47B4E3B2.3050402@gmail.com
7113 "[" chars punct "]+" "(" "[" chars punct "]+" "[" chars "]*)" "[" chars "]*"
7115 "[" chars punct "]+" "[" chars "]"
7117 (concat ;; XEmacs 21.4 doesn't support POSIX.
7118 "\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+"
7119 "\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)"))
7121 "Regular expression that matches URLs."
7122 :group 'gnus-article-buttons
7125 (defcustom gnus-button-valid-fqdn-regexp
7126 message-valid-fqdn-regexp
7127 "Regular expression that matches a valid FQDN."
7129 :group 'gnus-article-buttons
7132 ;; Regexp suggested by Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
7133 (defcustom gnus-button-valid-localpart-regexp
7134 "[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t @]*"
7135 "Regular expression that matches a localpart of mail addresses or MIDs."
7137 :group 'gnus-article-buttons
7140 (defcustom gnus-button-man-handler 'manual-entry
7141 "Function to use for displaying man pages.
7142 The function must take at least one argument with a string naming the
7145 :type '(choice (function-item :tag "Man" manual-entry)
7146 (function-item :tag "Woman" woman)
7147 (function :tag "Other"))
7148 :group 'gnus-article-buttons)
7150 (defcustom gnus-button-mid-or-mail-regexp
7151 (concat "\\b\\(<?" gnus-button-valid-localpart-regexp "@"
7152 gnus-button-valid-fqdn-regexp
7154 "Regular expression that matches a message ID or a mail address."
7156 :group 'gnus-article-buttons
7159 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
7160 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
7161 Strings like this can be either a message ID or a mail address. If it is one
7162 of the symbols `mid' or `mail', Gnus will always assume that the string is a
7163 message ID or a mail address, respectively. If this variable is set to the
7164 symbol `ask', always query the user what do do. If it is a function, this
7165 function will be called with the string as its only argument. The function
7166 must return `mid', `mail', `invalid' or `ask'."
7168 :group 'gnus-article-buttons
7169 :type '(choice (function-item :tag "Heuristic function"
7170 gnus-button-mid-or-mail-heuristic)
7175 (defcustom gnus-button-mid-or-mail-heuristic-alist
7176 '((-10.0 . ".+\\$.+@")
7179 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
7180 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
7181 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
7182 (-1.0 . "^[^a-z]+@")
7184 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
7185 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
7186 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
7187 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
7190 (-1.0 . "^[0-9][0-9]")
7192 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
7193 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
7194 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
7195 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
7197 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
7198 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
7201 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
7203 ;; compensation for TDMA dated mail addresses:
7204 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
7206 (-20.0 . "\\.fsf@") ;; Gnus
7209 (-20.0 . "^alpine\\.")
7210 (-20.0 . "_-_") ;; Subject change in thread
7212 (-20.0 . "\\.ln@") ;; leafnode
7213 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
7214 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
7216 ;; (5.0 . "") ;; $local_part_len <= 7
7217 (10.0 . "^[^0-9]+@")
7218 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
7219 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
7222 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
7224 (0.5 . "^[A-Z][a-z]")
7225 (0.5 . "^[A-Z][a-z][a-z]")
7226 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
7227 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
7228 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
7230 A negative RATE indicates a message IDs, whereas a positive indicates a mail
7231 address. The REGEXP is processed with `case-fold-search' set to nil."
7233 :group 'gnus-article-buttons
7234 :type '(repeat (cons (number :tag "Rate")
7235 (regexp :tag "Regexp"))))
7237 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
7238 "Guess whether MID-OR-MAIL is a message ID or a mail address.
7239 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
7240 address, `ask' if unsure and `invalid' if the string is invalid."
7241 (let ((case-fold-search nil)
7242 (list gnus-button-mid-or-mail-heuristic-alist)
7243 (result 0) rate regexp lpartlen elem)
7245 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
7246 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
7247 ;; Certain special cases...
7250 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
7251 "^[0-9]+\\.[0-9]+@compuserve\\|"
7252 "@public\\.gmane\\.org")
7254 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
7255 (setq result 'mail))
7256 (when (string-match "@.*@\\| " mid-or-mail)
7257 (gnus-message 8 "`%s' is invalid." mid-or-mail)
7258 (setq result 'invalid))
7259 ;; Nothing more to do, if result is not a number here...
7260 (when (numberp result)
7262 (setq elem (car list)
7266 (when (string-match regexp mid-or-mail)
7267 (setq result (+ result rate))
7269 9 "`%s' matched `%s', rate `%s', result `%s'."
7270 mid-or-mail regexp rate result)))
7271 (when (<= lpartlen 7)
7272 (setq result (+ result 5.0))
7273 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
7274 mid-or-mail result))
7275 (when (>= lpartlen 12)
7276 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
7278 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
7279 ;; Long local part should contain realname if e-mail address,
7280 ;; too many digits: message-id.
7281 ;; $score -= 5.0 + 0.1 * $local_part_len;
7282 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
7283 (setq result (+ result rate))
7285 9 "Many digits in `%s', rate `%s', result `%s'."
7286 mid-or-mail rate result))
7287 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
7289 ;; Too few vowels [^aeiouy]{4,}.*\@
7290 (setq result (+ result -5.0))
7292 9 "Few vowels in `%s', rate `%s', result `%s'."
7293 mid-or-mail -5.0 result))
7295 (setq result (+ result 5.0))
7297 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
7298 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
7299 ;; Maybe we should make this a customizable alist: (condition . 'result)
7301 ((symbolp result) result)
7302 ;; Now convert number into proper results:
7303 ((< result -10.0) 'mid)
7304 ((> result 10.0) 'mail)
7307 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
7308 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
7309 (url-mid (concat "news" ":" mid-or-mail))
7310 (url-mailto (concat "mailto" ":" mid-or-mail)))
7311 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
7312 (when (fboundp pref)
7314 ;; get rid of surrounding angles...
7316 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
7317 (if (or (eq 'mid guessed) (eq 'mail guessed))
7321 (save-window-excursion
7322 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
7325 (cond ((eq pref 'mid)
7326 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
7327 (gnus-button-handle-news url-mid))
7329 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
7330 (gnus-url-mailto url-mailto))
7331 (t (gnus-message 3 "Invalid string.")))))
7333 (defun gnus-button-handle-custom (fun arg)
7334 "Call function FUN on argument ARG.
7335 Both FUN and ARG are supposed to be strings. ARG will be passed
7336 as a symbol to FUN."
7337 (funcall (intern fun)
7338 (if (string-match "^customize-apropos" fun)
7342 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
7344 ;; FIXME: Maybe we should merge some of the functions that do quite similar
7347 (defun gnus-button-handle-describe-function (url)
7348 "Call `describe-function' when pushing the corresponding URL button."
7351 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
7353 (defun gnus-button-handle-describe-variable (url)
7354 "Call `describe-variable' when pushing the corresponding URL button."
7357 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
7359 (defun gnus-button-handle-symbol (url)
7360 "Display help on variable or function.
7361 Calls `describe-variable' or `describe-function'."
7362 (let ((sym (intern url)))
7364 ((fboundp sym) (describe-function sym))
7365 ((boundp sym) (describe-variable sym))
7366 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
7368 (defun gnus-button-handle-describe-key (url)
7369 "Call `describe-key' when pushing the corresponding URL button."
7371 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
7372 (keys (ignore-errors (eval `(kbd ,key-string)))))
7375 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
7377 (defun gnus-button-handle-apropos (url)
7378 "Call `apropos' when pushing the corresponding URL button."
7379 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7381 (defun gnus-button-handle-apropos-command (url)
7382 "Call `apropos' when pushing the corresponding URL button."
7384 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7386 (defun gnus-button-handle-apropos-variable (url)
7387 "Call `apropos' when pushing the corresponding URL button."
7389 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
7390 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7392 (defun gnus-button-handle-apropos-documentation (url)
7393 "Call `apropos' when pushing the corresponding URL button."
7395 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
7396 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7398 (defun gnus-button-handle-library (url)
7399 "Call `locate-library' when pushing the corresponding URL button."
7400 (gnus-message 9 "url=`%s'" url)
7401 (let* ((lib (locate-library url))
7402 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
7404 (gnus-message 1 "Cannot locale library `%s'." url)
7405 (find-file-read-only file))))
7407 (defcustom gnus-button-man-level 5
7408 "*Integer that says how many man-related buttons Gnus will show.
7409 The higher the number, the more buttons will appear and the more false
7410 positives are possible. Note that you can set this variable local to
7411 specific groups. Setting it higher in Unix groups is probably a good idea.
7412 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
7413 how to set variables in specific groups."
7415 :group 'gnus-article-buttons
7416 :link '(custom-manual "(gnus)Group Parameters")
7419 (defcustom gnus-button-emacs-level 5
7420 "*Integer that says how many emacs-related buttons Gnus will show.
7421 The higher the number, the more buttons will appear and the more false
7422 positives are possible. Note that you can set this variable local to
7423 specific groups. Setting it higher in Emacs or Gnus related groups is
7424 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
7425 `gnus-parameters' on how to set variables in specific groups."
7427 :group 'gnus-article-buttons
7428 :link '(custom-manual "(gnus)Group Parameters")
7431 (defcustom gnus-button-message-level 5
7432 "*Integer that says how many buttons for news or mail messages will appear.
7433 The higher the number, the more buttons will appear and the more false
7434 positives are possible."
7435 ;; mail addresses, MIDs, URLs for news, ...
7437 :group 'gnus-article-buttons
7440 (defcustom gnus-button-browse-level 5
7441 "*Integer that says how many buttons for browsing will appear.
7442 The higher the number, the more buttons will appear and the more false
7443 positives are possible."
7444 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
7446 :group 'gnus-article-buttons
7449 (defcustom gnus-button-alist
7450 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
7451 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
7452 ((concat "\\b\\(nntp\\|news\\):\\("
7453 gnus-button-valid-localpart-regexp "@[a-z0-9.-]+[a-z]\\)")
7454 0 t gnus-button-handle-news 2)
7455 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
7456 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
7457 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
7458 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
7459 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
7460 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
7461 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
7462 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
7463 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
7464 ("\\b\\(mid\\|message-id\\):? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
7465 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
7466 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
7467 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
7468 ;; RFC 2368 (The mailto URL scheme)
7469 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
7470 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
7471 ("\\bmailto:\\([^ \n\t]+\\)"
7472 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
7473 ;; Info Konqueror style <info:/foo/bar baz>.
7474 ;; Must come before " Gnus home-grown style".
7475 ("\\binfo://?\\([^'\">\n\t]+\\)"
7476 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
7477 ;; Info, Gnus home-grown style (deprecated) <info://foo/bar+baz>
7478 ("\\binfo://\\([^'\">\n\t ]+\\)"
7479 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
7480 ;; Info GNOME style <info:foo#bar_baz>
7481 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
7482 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
7483 ;; Info KDE style <info:(foo)bar baz>
7484 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
7485 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
7486 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
7487 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
7488 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+[^ ]+ ?[^ ]+[ \t\n]+RET\\([ \t\n]+i[ \t\n]+[^ ]+ ?[^ ]+[ \t\n]+RET\\([ \t\n,]*\\)\\)?"
7489 ;; Info links like `C-h i d m Gnus RET' or `C-h i d m Gnus RET i partial RET'
7490 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 0)
7492 ("M-x[ \t\n]\\(customize-[^ ]+\\)[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
7493 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1 2)
7494 ;; Emacs help commands
7495 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7496 ;; regexp doesn't match arguments containing ` '.
7497 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
7498 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7499 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
7500 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7501 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
7502 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7503 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
7504 ;; The following entries may lead to many false positives so don't enable
7505 ;; them by default (use a high button level).
7506 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>[^.?]"
7507 ;; Exclude [.?] for URLs in gmane.emacs.cvs
7508 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
7509 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
7510 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
7511 ("`\\([a-z][a-z0-9]+-[a-z0-9]+-[-a-z0-9]*[a-z]\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
7512 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
7513 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
7514 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
7515 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
7516 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
7517 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7518 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
7519 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7520 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
7521 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7522 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
7523 ("`\\(\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
7524 ;; Unlike the other regexps we really have to require quoting
7525 ;; here to determine where it ends.
7526 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
7527 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
7528 ("<URL: *\\([^\n<>]*\\)>"
7529 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
7530 ;; RFC 2396 (2.4.3., delims) ...
7531 ("\"URL: *\\([^\n\"]*\\)\""
7532 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
7534 (gnus-button-url-regexp
7535 0 (>= gnus-button-browse-level 0) browse-url 0)
7537 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
7538 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
7539 gnus-button-handle-man 1)
7540 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
7541 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
7542 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
7543 gnus-button-handle-man 1)
7544 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
7545 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
7546 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W"
7547 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
7548 ;; Recognizing patches to .el files. This is somewhat obscure,
7549 ;; but considering the percentage of Gnus users who hack Emacs
7551 ("^--- \\([^ .]+\\.el\\).*\n.*\n@@ -?\\([0-9]+\\)" 1
7552 (>= gnus-button-message-level 4) gnus-button-patch 1 2)
7553 ("^\\*\\*\\* \\([^ .]+\\.el\\).*\n.*\n\\*+\n\\*\\*\\* \\([0-9]+\\)" 1
7554 (>= gnus-button-message-level 4) gnus-button-patch 1 2)
7555 ;; MID or mail: To avoid too many false positives we don't try to catch
7556 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
7557 ;; at least one dot. TLD must contain two or three chars or be a know TLD
7558 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
7559 ;; so that non-ambiguous entries (see above) match first.
7560 (gnus-button-mid-or-mail-regexp
7561 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
7562 "*Alist of regexps matching buttons in article bodies.
7564 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
7565 REGEXP: is the string (case insensitive) matching text around the button (can
7566 also be Lisp expression evaluating to a string),
7567 BUTTON: is the number of the regexp grouping actually matching the button,
7568 FORM: is a Lisp expression which must eval to true for the button to
7570 CALLBACK: is the function to call when the user push this button, and each
7571 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
7573 CALLBACK can also be a variable, in that case the value of that
7574 variable it the real callback function."
7575 :group 'gnus-article-buttons
7576 :type '(repeat (list (choice regexp variable sexp)
7577 (integer :tag "Button")
7579 (function :tag "Callback")
7582 (integer :tag "Regexp group")))))
7583 (put 'gnus-button-alist 'risky-local-variable t)
7585 (defcustom gnus-header-button-alist
7586 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
7587 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
7588 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
7589 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
7590 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
7591 0 (>= gnus-button-message-level 0) gnus-msg-mail 0)
7592 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
7593 0 (>= gnus-button-browse-level 0) browse-url 0)
7594 ("^Subject:" gnus-button-url-regexp
7595 0 (>= gnus-button-browse-level 0) browse-url 0)
7596 ("^[^:]+:" gnus-button-url-regexp
7597 0 (>= gnus-button-browse-level 0) browse-url 0)
7598 ("^OpenPGP:.*url=" gnus-button-url-regexp
7599 0 (>= gnus-button-browse-level 0) gnus-button-openpgp 0)
7600 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
7601 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
7602 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
7603 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
7604 "*Alist of headers and regexps to match buttons in article heads.
7606 This alist is very similar to `gnus-button-alist', except that each
7607 alist has an additional HEADER element first in each entry:
7609 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
7611 HEADER is a regexp to match a header. For a fuller explanation, see
7612 `gnus-button-alist'."
7613 :group 'gnus-article-buttons
7614 :group 'gnus-article-headers
7615 :type '(repeat (list (regexp :tag "Header")
7616 (choice regexp variable)
7617 (integer :tag "Button")
7619 (function :tag "Callback")
7622 (integer :tag "Regexp group")))))
7623 (put 'gnus-header-button-alist 'risky-local-variable t)
7627 (defun gnus-article-push-button (event)
7628 "Check text under the mouse pointer for a callback function.
7629 If the text under the mouse pointer has a `gnus-callback' property,
7630 call it with the value of the `gnus-data' text property."
7632 (set-buffer (window-buffer (posn-window (event-start event))))
7633 (let* ((pos (posn-point (event-start event)))
7634 (data (get-text-property pos 'gnus-data))
7635 (fun (get-text-property pos 'gnus-callback)))
7638 (funcall fun data))))
7640 (defun gnus-article-press-button ()
7641 "Check text at point for a callback function.
7642 If the text at point has a `gnus-callback' property,
7643 call it with the value of the `gnus-data' text property."
7645 (let ((data (get-text-property (point) 'gnus-data))
7646 (fun (get-text-property (point) 'gnus-callback)))
7648 (funcall fun data))))
7650 (defun gnus-article-highlight (&optional force)
7651 "Highlight current article.
7652 This function calls `gnus-article-highlight-headers',
7653 `gnus-article-highlight-citation',
7654 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
7655 do the highlighting. See the documentation for those functions."
7656 (interactive (list 'force))
7657 (gnus-article-highlight-headers)
7658 (gnus-article-highlight-citation force)
7659 (gnus-article-highlight-signature)
7660 (gnus-article-add-buttons force)
7661 (gnus-article-add-buttons-to-head))
7663 (defun gnus-article-highlight-some (&optional force)
7664 "Highlight current article.
7665 This function calls `gnus-article-highlight-headers',
7666 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
7667 do the highlighting. See the documentation for those functions."
7668 (interactive (list 'force))
7669 (gnus-article-highlight-headers)
7670 (gnus-article-highlight-signature)
7671 (gnus-article-add-buttons))
7673 (defun gnus-article-highlight-headers ()
7674 "Highlight article headers as specified by `gnus-header-face-alist'."
7676 (gnus-with-article-headers
7677 (let (regexp header-face field-face from hpoints fpoints)
7678 (dolist (entry gnus-header-face-alist)
7679 (goto-char (point-min))
7680 (setq regexp (concat "^\\("
7681 (if (string-equal "" (nth 0 entry))
7685 header-face (nth 1 entry)
7686 field-face (nth 2 entry))
7687 (while (and (re-search-forward regexp nil t)
7691 (unless (search-forward ":" nil t)
7693 (when (and header-face
7694 (not (memq (point) hpoints)))
7695 (push (point) hpoints)
7696 (gnus-put-text-property from (point) 'face header-face))
7697 (when (and field-face
7698 (not (memq (setq from (point)) fpoints)))
7700 (if (re-search-forward "^[^ \t]" nil t)
7702 (goto-char (point-max)))
7703 (gnus-put-text-property from (point) 'face field-face)))))))
7705 (defun gnus-article-highlight-signature ()
7706 "Highlight the signature in an article.
7707 It does this by highlighting everything after
7708 `gnus-signature-separator' using the face `gnus-signature'."
7710 (gnus-with-article-buffer
7711 (let ((inhibit-point-motion-hooks t))
7713 (when (and gnus-signature-face
7714 (gnus-article-narrow-to-signature))
7715 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max) nil t)
7716 'face gnus-signature-face)
7718 (gnus-article-search-signature)
7719 (let ((start (match-beginning 0))
7720 (end (set-marker (make-marker) (1+ (match-end 0)))))
7721 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
7724 (defun gnus-button-in-region-p (b e prop)
7725 "Say whether PROP exists in the region."
7726 (text-property-not-all b e prop nil))
7728 (defun gnus-article-add-buttons (&optional force)
7729 "Find external references in the article and make buttons of them.
7730 \"External references\" are things like Message-IDs and URLs, as
7731 specified by `gnus-button-alist'."
7732 (interactive (list 'force))
7733 (gnus-with-article-buffer
7734 (let ((inhibit-point-motion-hooks t)
7735 (case-fold-search t)
7736 (alist gnus-button-alist)
7738 ;; Remove all old markers.
7739 (let (marker entry new-list)
7740 (while (setq marker (pop gnus-button-marker-list))
7741 (if (or (< marker (point-min)) (>= marker (point-max)))
7742 (push marker new-list)
7744 (when (setq entry (gnus-button-entry))
7745 (put-text-property (match-beginning (nth 1 entry))
7746 (match-end (nth 1 entry))
7747 'gnus-callback nil))
7748 (set-marker marker nil)))
7749 (setq gnus-button-marker-list new-list))
7750 ;; We skip the headers.
7753 (while (setq entry (pop alist))
7754 (setq regexp (eval (car entry)))
7756 (while (re-search-forward regexp nil t)
7757 (let ((start (match-beginning (nth 1 entry)))
7758 (end (match-end (nth 1 entry)))
7759 (from (match-beginning 0)))
7760 (when (and (or (eq t (nth 2 entry))
7761 (eval (nth 2 entry)))
7762 (not (gnus-button-in-region-p
7763 start end 'gnus-callback)))
7764 ;; That optional form returned non-nil, so we add the
7766 (setq from (set-marker (make-marker) from))
7767 (push from gnus-button-marker-list)
7768 (unless (and (eq (car entry) 'gnus-button-url-regexp)
7769 (gnus-article-extend-url-button from start end))
7770 (gnus-article-add-button start end
7771 'gnus-button-push from)
7772 (gnus-put-text-property
7774 'gnus-string (buffer-substring-no-properties
7777 (defun gnus-article-extend-url-button (beg start end)
7778 "Extend url button if url is folded into two or more lines.
7779 Return non-nil if button is extended. BEG is a marker that points to
7780 the beginning position of a text containing url. START and END are
7781 the endpoints of a url button before it is extended. The concatenated
7782 url is put as the `gnus-button-url' overlay property on the button."
7783 (let ((opoint (point))
7784 (points (list start end))
7789 (not (looking-at "[\t ]*[\">]")))
7793 "\\(?:\"\\|\\(<\\)\\)[\t ]*\\(?:url[\t ]*:[\t ]*\\)?\\'"
7794 (buffer-substring (point-at-bol) start)))
7796 (setq url (list (buffer-substring start end))
7797 delim (if (match-beginning 1) ">" "\""))
7799 (setq regexp (concat
7800 (when (and (looking-at
7801 message-cite-prefix-regexp)
7802 (< (match-end 0) start))
7803 (regexp-quote (match-string 0)))
7805 \[\t ]*\\(?:\\([^\t\n \">]+\\)[\t ]*$\\|\\([^\t\n \">]*\\)[\t ]*"
7809 (and (looking-at regexp)
7812 (push (or (match-string 2)
7815 (push (setq end (or (match-end 2)
7818 (push (or (match-beginning 2)
7819 (match-beginning 1))
7821 (match-beginning 2)))
7822 (let (gnus-article-mouse-face widget-mouse-face)
7824 (gnus-article-add-button (pop points) (pop points)
7825 'gnus-button-push beg)))
7826 (let ((overlay (gnus-make-overlay start end)))
7827 (gnus-overlay-put overlay 'evaporate t)
7828 (gnus-overlay-put overlay 'gnus-button-url
7829 (list (mapconcat 'identity (nreverse url) "")))
7830 (when gnus-article-mouse-face
7831 (gnus-overlay-put overlay 'mouse-face gnus-article-mouse-face)))
7833 (goto-char opoint))))
7835 ;; Add buttons to the head of an article.
7836 (defun gnus-article-add-buttons-to-head ()
7837 "Add buttons to the head of the article."
7839 (gnus-with-article-headers
7841 (dolist (entry gnus-header-button-alist)
7842 ;; Each alist entry.
7843 (goto-char (point-min))
7844 (while (re-search-forward (car entry) nil t)
7845 ;; Each header matching the entry.
7846 (setq beg (match-beginning 0))
7847 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
7848 (match-beginning 0))
7851 (while (re-search-forward (eval (nth 1 entry)) end t)
7852 ;; Each match within a header.
7853 (let* ((entry (cdr entry))
7854 (start (match-beginning (nth 1 entry)))
7855 (end (match-end (nth 1 entry)))
7856 (form (nth 2 entry)))
7857 (goto-char (match-end 0))
7859 (gnus-article-add-button
7860 start end (nth 3 entry)
7861 (buffer-substring (match-beginning (nth 4 entry))
7862 (match-end (nth 4 entry)))))))
7863 (goto-char end))))))
7865 ;;; External functions:
7867 (defun gnus-article-add-button (from to fun &optional data text)
7868 "Create a button between FROM and TO with callback FUN and data DATA."
7869 (when gnus-article-button-face
7870 (gnus-overlay-put (gnus-make-overlay from to nil t)
7871 'face gnus-article-button-face))
7872 (gnus-add-text-properties
7874 (nconc (and gnus-article-mouse-face
7875 (list gnus-mouse-face-prop gnus-article-mouse-face))
7876 (list 'gnus-callback fun)
7877 (and data (list 'gnus-data data))))
7878 (widget-convert-button 'link from to :action 'gnus-widget-press-button
7879 :help-echo (or text "Follow the link")
7880 :keymap gnus-url-button-map
7881 :button-keymap gnus-widget-button-keymap))
7883 (defun gnus-article-copy-string ()
7884 "Copy the string in the button to the kill ring."
7886 (gnus-article-check-buffer)
7887 (let ((data (get-text-property (point) 'gnus-string)))
7891 (copy-region-as-kill (point-min) (point-max))
7892 (message "Copied %s" data)))))
7894 ;;; Internal functions:
7896 (defun gnus-article-set-globals ()
7897 (with-current-buffer gnus-summary-buffer
7898 (gnus-set-global-variables)))
7900 (defun gnus-signature-toggle (end)
7901 (gnus-with-article-buffer
7902 (let ((inhibit-point-motion-hooks t))
7903 (if (text-property-any end (point-max) 'article-type 'signature)
7905 (gnus-delete-wash-type 'signature)
7906 (gnus-remove-text-properties-when
7907 'article-type 'signature end (point-max)
7908 (cons 'article-type (cons 'signature
7909 gnus-hidden-properties))))
7910 (gnus-add-wash-type 'signature)
7911 (gnus-add-text-properties-when
7912 'article-type nil end (point-max)
7913 (cons 'article-type (cons 'signature
7914 gnus-hidden-properties)))))
7915 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
7916 (gnus-set-mode-line 'article))))
7918 (defun gnus-button-entry ()
7919 ;; Return the first entry in `gnus-button-alist' matching this place.
7920 (let ((alist gnus-button-alist)
7923 (setq entry (pop alist))
7924 (if (looking-at (eval (car entry)))
7929 (defun gnus-button-push (marker)
7930 ;; Push button starting at MARKER.
7933 (let* ((entry (gnus-button-entry))
7934 (inhibit-point-motion-hooks t)
7936 (args (or (and (eq (car entry) 'gnus-button-url-regexp)
7937 (get-char-property marker 'gnus-button-url))
7938 (mapcar (lambda (group)
7939 (let ((string (match-string group)))
7940 (set-text-properties
7941 0 (length string) nil string)
7943 (nthcdr 4 entry)))))
7948 (fboundp (symbol-value fun)))
7949 (apply (symbol-value fun) args))
7951 (gnus-message 1 "You must define `%S' to use this button"
7952 (cons fun args)))))))
7954 (defun gnus-parse-news-url (url)
7955 (let (scheme server port group message-id articles)
7958 (goto-char (point-min))
7959 (when (looking-at "\\([A-Za-z]+\\):")
7960 (setq scheme (match-string 1))
7961 (goto-char (match-end 0)))
7962 (when (looking-at "//\\([^:/]+\\)\\(:?\\)\\([0-9]+\\)?/")
7963 (setq server (match-string 1))
7964 (setq port (if (stringp (match-string 3))
7965 (string-to-number (match-string 3))
7967 (goto-char (match-end 0)))
7970 ((looking-at "\\(.*@.*\\)")
7971 (setq message-id (match-string 1)))
7972 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
7973 (setq group (match-string 1)
7974 articles (split-string (match-string 2) "-")))
7975 ((looking-at "\\([^/]+\\)/?")
7976 (setq group (match-string 1)))
7978 (error "Unknown news URL syntax"))))
7979 (list scheme server port group message-id articles)))
7981 (defun gnus-button-handle-news (url)
7983 (destructuring-bind (scheme server port group message-id articles)
7984 (gnus-parse-news-url url)
7987 (with-current-buffer gnus-summary-buffer
7989 (let ((gnus-refer-article-method
7990 (nconc (list (list 'nntp server))
7991 gnus-refer-article-method))
7992 (nntp-port-number (or port "nntp")))
7993 (gnus-message 7 "Fetching %s with %s"
7994 message-id gnus-refer-article-method)
7995 (gnus-summary-refer-article message-id))
7996 (gnus-summary-refer-article message-id))))
7998 (gnus-button-fetch-group url)))))
8000 (defun gnus-button-patch (library line)
8001 "Visit an Emacs Lisp library LIBRARY on line LINE."
8003 (let ((file (locate-library (file-name-nondirectory library))))
8005 (error "Couldn't find library %s" library))
8007 (goto-char (point-min))
8008 (forward-line (1- (string-to-number line)))))
8010 (defun gnus-button-handle-man (url)
8012 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
8013 (when (eq gnus-button-man-handler 'woman)
8014 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
8015 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
8016 (funcall gnus-button-man-handler url))
8018 (defun gnus-button-handle-info-url (url)
8019 "Fetch an info URL."
8020 (setq url (mm-subst-char-in-string ?+ ?\ url))
8022 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
8023 (gnus-info-find-node
8024 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
8026 ")" (gnus-url-unhex-string (match-string 2 url)))))
8027 ((string-match "([^)\"]+)[^\"]+" url)
8029 (gnus-replace-in-string
8030 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
8031 (gnus-info-find-node url))
8032 (t (error "Can't parse %s" url))))
8034 (defun gnus-button-handle-info-url-gnome (url)
8035 "Fetch GNOME style info URL."
8036 (setq url (mm-subst-char-in-string ?_ ?\ url))
8037 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
8038 (gnus-info-find-node
8040 (gnus-url-unhex-string
8041 (match-string 1 url))
8043 (or (gnus-url-unhex-string
8044 (match-string 2 url))
8046 (error "Can't parse %s" url)))
8048 (defun gnus-button-handle-info-url-kde (url)
8049 "Fetch KDE style info URL."
8050 (gnus-info-find-node (gnus-url-unhex-string url)))
8052 ;; (info) will autoload info.el
8053 (declare-function Info-menu "info" (menu-item &optional fork))
8054 (declare-function Info-index-next "info" (num))
8056 (defun gnus-button-handle-info-keystrokes (url)
8057 "Call `info' when pushing the corresponding URL button."
8058 ;; For links like `C-h i d m gnus RET part RET , ,', `C-h i d m CC Mode RET'.
8059 (let (node indx comma)
8061 (concat "\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+"
8062 "\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
8063 "\\([ \t\n]+i[ \t\n]+[^ ]+ ?[^ ]+[ \t\n]+RET"
8064 "\\(?:[ \t\n,]*\\)\\)?")
8066 (setq node (match-string 2 url)
8067 indx (match-string 3 url))
8068 (error "Can't parse %s" url))
8072 (when (> (length indx) 0)
8073 (string-match (concat "[ \t\n]+i[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
8076 (setq comma (match-string 2 indx))
8077 (setq indx (match-string 1 indx))
8080 (dotimes (i (with-temp-buffer
8082 ;; Note: the XEmacs version of `how-many' takes
8083 ;; no optional argument.
8084 (goto-char (point-min))
8086 (Info-index-next 1)))
8089 ;; Called after pgg-snarf-keys-region, which autoloads pgg.el.
8090 (declare-function pgg-display-output-buffer "pgg" (start end status))
8092 (defun gnus-button-openpgp (url)
8093 "Retrieve and add an OpenPGP key given URL from an OpenPGP header."
8095 (mm-url-insert-file-contents-external url)
8096 (pgg-snarf-keys-region (point-min) (point-max))
8097 (pgg-display-output-buffer nil nil nil)))
8099 (defun gnus-button-message-id (message-id)
8101 (with-current-buffer gnus-summary-buffer
8102 (gnus-summary-refer-article message-id)))
8104 (defun gnus-button-fetch-group (address &rest ignore)
8105 "Fetch GROUP specified by ADDRESS."
8106 (when (string-match "\\`\\(nntp\\|news\\):\\(//\\)?\\(.*\\)\\'"
8108 ;; Allow to use `gnus-button-fetch-group' in `browse-url-browser-function'
8109 ;; for nntp:// and news://
8110 (setq address (match-string 3 address)))
8111 (if (not (string-match "[:/]" address))
8112 ;; This is just a simple group url.
8113 (gnus-group-read-ephemeral-group address gnus-select-method)
8116 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
8118 (error "Can't parse %s" address)
8119 (gnus-group-read-ephemeral-group
8120 (match-string 4 address)
8121 `(nntp ,(match-string 1 address)
8122 (nntp-address ,(match-string 1 address))
8123 (nntp-port-number ,(if (match-end 3)
8124 (match-string 3 address)
8127 (and (match-end 6) (list (string-to-number (match-string 6 address))))))))
8129 (defun gnus-url-parse-query-string (query &optional downcase)
8130 (let (retval pairs cur key val)
8131 (setq pairs (split-string query "&"))
8133 (setq cur (car pairs)
8135 (if (not (string-match "=" cur))
8137 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
8138 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
8140 (setq key (downcase key)))
8141 (setq cur (assoc key retval))
8143 (setcdr cur (cons val (cdr cur)))
8144 (setq retval (cons (list key val) retval)))))
8147 (defun gnus-url-mailto (url)
8148 ;; Send mail to someone
8149 (setq url (replace-regexp-in-string "\n" " " url))
8150 (when (string-match "mailto:/*\\(.*\\)" url)
8151 (setq url (substring url (match-beginning 1) nil)))
8152 (let (to args subject func)
8153 (setq args (gnus-url-parse-query-string
8154 (if (string-match "^\\?" url)
8156 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
8157 (concat "to=" (match-string 1 url) "&"
8158 (match-string 2 url))
8159 (concat "to=" url))))
8160 subject (cdr-safe (assoc "subject" args)))
8163 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
8166 (message-position-on-field (caar args)))
8167 (insert (gnus-replace-in-string
8168 (mapconcat 'identity (reverse (cdar args)) ", ")
8170 (setq args (cdr args)))
8173 (message-goto-subject))))
8175 (defun gnus-button-embedded-url (address)
8176 "Activate ADDRESS with `browse-url'."
8177 (browse-url (gnus-strip-whitespace address)))
8179 ;;; Next/prev buttons in the article buffer.
8181 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
8182 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
8184 (defvar gnus-prev-page-map
8185 (let ((map (make-sparse-keymap)))
8186 (define-key map gnus-mouse-2 'gnus-button-prev-page)
8187 (define-key map "\r" 'gnus-button-prev-page)
8190 (defvar gnus-next-page-map
8191 (let ((map (make-sparse-keymap)))
8192 (define-key map gnus-mouse-2 'gnus-button-next-page)
8193 (define-key map "\r" 'gnus-button-next-page)
8196 (defun gnus-insert-prev-page-button ()
8198 (inhibit-read-only t))
8200 gnus-prev-page-line-format nil
8201 `(keymap ,gnus-prev-page-map
8203 gnus-callback gnus-article-button-prev-page
8204 article-type annotation))
8206 ;; Exclude a newline.
8209 (when gnus-article-button-face
8210 (gnus-overlay-put (gnus-make-overlay b e nil t)
8211 'face gnus-article-button-face))
8212 (widget-convert-button
8214 :action 'gnus-button-prev-page
8215 :button-keymap gnus-prev-page-map)))
8217 (defun gnus-button-next-page (&optional args more-args)
8218 "Go to the next page."
8220 (let ((win (selected-window)))
8221 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8222 (gnus-article-next-page)
8223 (select-window win)))
8225 (defun gnus-button-prev-page (&optional args more-args)
8226 "Go to the prev page."
8228 (let ((win (selected-window)))
8229 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8230 (gnus-article-prev-page)
8231 (select-window win)))
8233 (defun gnus-insert-next-page-button ()
8235 (inhibit-read-only t))
8236 (gnus-eval-format gnus-next-page-line-format nil
8237 `(keymap ,gnus-next-page-map
8239 gnus-callback gnus-article-button-next-page
8240 article-type annotation))
8242 ;; Exclude a newline.
8245 (when gnus-article-button-face
8246 (gnus-overlay-put (gnus-make-overlay b e nil t)
8247 'face gnus-article-button-face))
8248 (widget-convert-button
8250 :action 'gnus-button-next-page
8251 :button-keymap gnus-next-page-map)))
8253 (defun gnus-article-button-next-page (arg)
8254 "Go to the next page."
8256 (let ((win (selected-window)))
8257 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8258 (gnus-article-next-page)
8259 (select-window win)))
8261 (defun gnus-article-button-prev-page (arg)
8262 "Go to the prev page."
8264 (let ((win (selected-window)))
8265 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8266 (gnus-article-prev-page)
8267 (select-window win)))
8269 (defvar gnus-decode-header-methods
8270 '(mail-decode-encoded-word-region)
8271 "List of methods used to decode headers.
8273 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
8274 is FUNCTION, FUNCTION will be applied to all newsgroups. If item is a
8275 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
8276 whose names match REGEXP.
8279 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
8280 mail-decode-encoded-word-region
8281 (\"chinese\" . rfc1843-decode-region))
8284 (defvar gnus-decode-header-methods-cache nil)
8286 (defun gnus-multi-decode-header (start end)
8287 "Apply the functions from `gnus-encoded-word-methods' that match."
8288 (unless (and gnus-decode-header-methods-cache
8289 (eq gnus-newsgroup-name
8290 (car gnus-decode-header-methods-cache)))
8291 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
8292 (dolist (x gnus-decode-header-methods)
8294 (nconc gnus-decode-header-methods-cache (list x))
8295 (if (and gnus-newsgroup-name
8296 (string-match (car x) gnus-newsgroup-name))
8297 (nconc gnus-decode-header-methods-cache
8299 (let ((xlist gnus-decode-header-methods-cache))
8302 (narrow-to-region start end)
8304 (funcall (pop xlist) (point-min) (point-max))))))
8307 ;;; Treatment top-level handling.
8310 (defvar gnus-inhibit-article-treatments nil)
8312 (defun gnus-treat-article (gnus-treat-condition
8313 &optional part-number total-parts gnus-treat-type)
8314 (let ((gnus-treat-length (- (point-max) (point-min)))
8315 (alist gnus-treatment-function-alist)
8316 (article-goto-body-goes-to-point-min-p t)
8318 (or (not gnus-treat-type)
8320 (let ((list gnus-article-treat-types))
8322 (when (string-match (pop list) gnus-treat-type)
8323 (throw 'found t)))))))
8324 (highlightp (gnus-visual-p 'article-highlight 'highlight))
8326 (gnus-run-hooks 'gnus-part-display-hook)
8327 (dolist (elem alist)
8330 (when (gnus-buffer-live-p gnus-summary-buffer)
8331 (set-buffer gnus-summary-buffer))
8332 (symbol-value (car elem))))
8333 (when (and (or (consp val)
8335 (or (not gnus-inhibit-article-treatments)
8336 (eq gnus-treat-condition 'head))
8337 (gnus-treat-predicate val)
8338 (or (not (get (car elem) 'highlight))
8341 (funcall (cadr elem)))))))
8343 ;; Dynamic variables.
8344 (defvar part-number)
8345 (defvar total-parts)
8346 (defvar gnus-treat-type)
8347 (defvar gnus-treat-condition)
8348 (defvar gnus-treat-length)
8350 (defun gnus-treat-predicate (val)
8354 (gnus-treat-condition
8355 (eq gnus-treat-condition val))
8357 (stringp (car val)))
8358 (apply 'gnus-or (mapcar `(lambda (s)
8359 (string-match s ,(or gnus-newsgroup-name "")))
8362 (let ((pred (pop val)))
8365 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
8367 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
8369 (not (gnus-treat-predicate (car val))))
8371 (equal (car val) gnus-treat-type))
8373 (error "%S is not a valid predicate" pred)))))
8381 (eq part-number total-parts))
8383 (< gnus-treat-length val))
8385 (error "%S is not a valid value" val))))
8387 (defun gnus-article-encrypt-body (protocol &optional n)
8388 "Encrypt the article body."
8391 (or gnus-article-encrypt-protocol
8392 (gnus-completing-read "Encrypt protocol"
8393 (mapcar 'car gnus-article-encrypt-protocol-alist)
8395 current-prefix-arg))
8396 ;; User might hit `K E' instead of `K e', so prompt once.
8397 (when (and gnus-article-encrypt-protocol
8399 (unless (gnus-y-or-n-p "Really encrypt article(s)? ")
8400 (error "Encrypt aborted")))
8401 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
8403 (error "Can't find the encrypt protocol %s" protocol))
8404 (if (member gnus-newsgroup-name '("nndraft:delayed"
8407 (error "Can't encrypt the article in group %s"
8408 gnus-newsgroup-name))
8409 (gnus-summary-iterate n
8410 (with-current-buffer gnus-summary-buffer
8411 (let ((mail-parse-charset gnus-newsgroup-charset)
8412 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
8413 (summary-buffer gnus-summary-buffer)
8415 (gnus-set-global-variables)
8416 (when (gnus-group-read-only-p)
8417 (error "The current newsgroup does not support article encrypt"))
8418 (gnus-summary-show-article t)
8420 (or (mail-header-references gnus-current-headers) ""))
8421 (set-buffer gnus-article-buffer)
8422 (let* ((inhibit-read-only t)
8424 (mapcar (lambda (field)
8425 (and (save-restriction
8426 (message-narrow-to-head)
8427 (goto-char (point-min))
8428 (search-forward field nil t))
8430 (message-narrow-to-field)
8432 (delete-region (point-min) (point-max))
8434 '("Content-Type:" "Content-Transfer-Encoding:"
8435 "Content-Disposition:"))))
8436 (message-narrow-to-head)
8437 (message-remove-header "MIME-Version")
8438 (goto-char (point-max))
8439 (setq point (point))
8440 (insert (apply 'concat headers))
8442 (narrow-to-region point (point-max))
8443 (let ((message-options message-options))
8444 (message-options-set 'message-sender user-mail-address)
8445 (message-options-set 'message-recipients user-mail-address)
8446 (message-options-set 'message-sign-encrypt 'not)
8448 (goto-char (point-min))
8449 (insert "MIME-Version: 1.0\n")
8451 (gnus-summary-edit-article-done
8452 references nil summary-buffer t))
8453 (when gnus-keep-backlog
8454 (gnus-backlog-remove-article
8455 (car gnus-article-current) (cdr gnus-article-current)))
8456 (gnus-flush-original-article-buffer)
8457 (when gnus-use-cache
8458 (gnus-cache-update-article
8459 (car gnus-article-current) (cdr gnus-article-current))))))))
8461 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
8462 "The following specs can be used:
8463 %t The security MIME type
8466 %D Details if button is pressed")
8468 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
8469 "The following specs can be used:
8470 %t The security MIME type
8473 %D Details if button is pressed")
8475 (defvar gnus-mime-security-button-line-format-alist
8476 '((?t gnus-tmp-type ?s)
8477 (?i gnus-tmp-info ?s)
8478 (?d gnus-tmp-details ?s)
8479 (?D gnus-tmp-pressed-details ?s)))
8481 (defvar gnus-mime-security-button-commands
8482 '((gnus-article-press-button "\r" "Show Detail")
8486 (gnus-mime-security-save-part "o" "Save...")
8495 (gnus-mime-security-pipe-part "|" "Pipe To Command...")
8498 (defvar gnus-mime-security-button-map
8499 (let ((map (make-sparse-keymap)))
8500 (define-key map gnus-mouse-2 'gnus-article-push-button)
8501 (define-key map gnus-down-mouse-3 'gnus-mime-security-button-menu)
8502 (dolist (c gnus-mime-security-button-commands)
8503 (define-key map (cadr c) (car c)))
8507 gnus-mime-security-button-menu gnus-mime-security-button-map
8508 "Security button menu."
8512 (unless (eq (car c) 'undefined)
8513 (vector (caddr c) (car c) :active t)))
8514 gnus-mime-security-button-commands))))
8516 (defun gnus-mime-security-button-menu (event prefix)
8517 "Construct a context-sensitive menu of security commands."
8518 (interactive "e\nP")
8519 (save-window-excursion
8520 (let ((pos (event-start event)))
8521 (select-window (posn-window pos))
8522 (goto-char (posn-point pos))
8523 (gnus-article-check-buffer)
8524 (popup-menu gnus-mime-security-button-menu nil prefix))))
8526 (defvar gnus-mime-security-details-buffer nil)
8528 (defvar gnus-mime-security-button-pressed nil)
8530 (defvar gnus-mime-security-show-details-inline t
8531 "If non-nil, show details in the article buffer.")
8533 (defun gnus-mime-security-verify-or-decrypt (handle)
8534 (mm-remove-parts (cdr handle))
8535 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
8536 point (inhibit-read-only t))
8538 (goto-char (car region)))
8539 (setq point (point))
8540 (with-current-buffer (mm-handle-multipart-original-buffer handle)
8541 (let* ((mm-verify-option 'known)
8542 (mm-decrypt-option 'known)
8543 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
8544 (unless (eq nparts (cdr handle))
8545 (mm-destroy-parts (cdr handle))
8546 (setcdr handle nparts))))
8547 (gnus-mime-display-security handle)
8549 (delete-region (point) (cdr region))
8550 (set-marker (car region) nil)
8551 (set-marker (cdr region) nil))
8554 (defun gnus-mime-security-show-details (handle)
8555 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
8557 (gnus-message 5 "No details.")
8558 (if gnus-mime-security-show-details-inline
8559 (let ((gnus-mime-security-button-pressed
8560 (not (get-text-property (point) 'gnus-mime-details)))
8561 (gnus-mime-security-button-line-format
8562 (get-text-property (point) 'gnus-line-format))
8563 (inhibit-read-only t))
8565 (while (eq (get-text-property (point) 'gnus-line-format)
8566 gnus-mime-security-button-line-format)
8570 (narrow-to-region (point) (point))
8571 (gnus-insert-mime-security-button handle))
8572 (delete-region (point)
8573 (or (text-property-not-all
8576 gnus-mime-security-button-line-format)
8579 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
8580 (with-current-buffer gnus-mime-security-details-buffer
8583 (setq gnus-mime-security-details-buffer
8584 (gnus-get-buffer-create "*MIME Security Details*")))
8585 (with-current-buffer gnus-mime-security-details-buffer
8587 (goto-char (point-min)))
8588 (pop-to-buffer gnus-mime-security-details-buffer)))))
8590 (defun gnus-mime-security-press-button (handle)
8592 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
8593 (gnus-mime-security-show-details handle)
8594 (gnus-mime-security-verify-or-decrypt handle))))
8596 (defun gnus-insert-mime-security-button (handle &optional displayed)
8597 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
8600 (or (nth 2 (assoc protocol mm-verify-function-alist))
8601 (nth 2 (assoc protocol mm-decrypt-function-alist))
8603 (if (equal (car handle) "multipart/signed")
8604 " Signed" " Encrypted")
8607 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
8610 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
8611 gnus-tmp-pressed-details
8613 (setq gnus-tmp-details
8614 (if gnus-tmp-details
8615 (concat "\n" gnus-tmp-details)
8617 (setq gnus-tmp-pressed-details
8618 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
8623 gnus-mime-security-button-line-format
8624 gnus-mime-security-button-line-format-alist
8625 `(keymap ,gnus-mime-security-button-map
8626 gnus-callback gnus-mime-security-press-button
8627 gnus-line-format ,gnus-mime-security-button-line-format
8628 gnus-mime-details ,gnus-mime-security-button-pressed
8629 article-type annotation
8632 ;; Exclude a newline.
8635 (when gnus-article-button-face
8636 (gnus-overlay-put (gnus-make-overlay b e nil t)
8637 'face gnus-article-button-face))
8638 (widget-convert-button
8641 :action 'gnus-widget-press-button
8642 :button-keymap gnus-mime-security-button-map
8645 ;; Needed to properly clear the message due to a bug in
8646 ;; wid-edit (XEmacs only).
8647 (when (boundp 'help-echo-owns-message)
8648 (setq help-echo-owns-message t))
8650 "%S: show detail; %S: more options"
8651 (aref gnus-mouse-2 0)
8652 (aref gnus-down-mouse-3 0))))))
8654 (defun gnus-mime-display-security (handle)
8656 (narrow-to-region (point) (point))
8657 (unless (gnus-unbuttonized-mime-type-p (car handle))
8658 (gnus-insert-mime-security-button handle))
8659 (gnus-mime-display-part (cadr handle))
8662 (unless (gnus-unbuttonized-mime-type-p (car handle))
8663 (let ((gnus-mime-security-button-line-format
8664 gnus-mime-security-button-end-line-format))
8665 (gnus-insert-mime-security-button handle)))
8666 (mm-set-handle-multipart-parameter
8668 (cons (set-marker (make-marker) (point-min))
8669 (set-marker (make-marker) (point-max))))
8670 (goto-char (point-max))))
8672 (defun gnus-mime-security-run-function (function)
8673 "Run FUNCTION with the security part under point."
8674 (gnus-article-check-buffer)
8675 (let ((data (get-text-property (point) 'gnus-data))
8677 (when (and (stringp (car-safe data))
8678 (setq buffer (mm-handle-multipart-original-buffer data))
8679 (setq handle (cadr data)))
8680 (if (bufferp (mm-handle-buffer handle))
8682 (setq handle (cons buffer (copy-sequence (cdr handle))))
8683 (mm-handle-set-undisplayer handle nil))
8684 (setq handle (mm-make-handle
8686 (mm-handle-multipart-ctl-parameter handle 'protocol)
8687 nil nil nil nil nil nil)))
8688 (funcall function handle))))
8690 (defun gnus-mime-security-save-part ()
8691 "Save the security part under point."
8693 (gnus-mime-security-run-function 'mm-save-part))
8695 (defun gnus-mime-security-pipe-part ()
8696 "Pipe the security part under point to a process."
8698 (gnus-mime-security-run-function 'mm-pipe-part))
8704 (run-hooks 'gnus-art-load-hook)
8706 ;;; gnus-art.el ends here