1 ;;; gnus-art.el --- article mode commands for Gnus
3 ;; Copyright (C) 1996-2011 Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software: you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation, either version 3 of the License, or
13 ;; (at your option) any later version.
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
27 ;; For Emacs <22.2 and XEmacs.
29 (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
33 (defvar w3m-minor-mode-map)
48 (autoload 'gnus-msg-mail "gnus-msg" nil t)
49 (autoload 'gnus-button-mailto "gnus-msg")
50 (autoload 'gnus-button-reply "gnus-msg" nil t)
51 (autoload 'parse-time-string "parse-time" nil nil)
52 (autoload 'ansi-color-apply-on-region "ansi-color")
53 (autoload 'mm-url-insert-file-contents-external "mm-url")
54 (autoload 'mm-extern-cache-contents "mm-extern")
56 (defgroup gnus-article nil
58 :link '(custom-manual "(gnus)Article Buffer")
61 (defgroup gnus-article-treat nil
62 "Treating article parts."
63 :link '(custom-manual "(gnus)Article Hiding")
66 (defgroup gnus-article-hiding nil
67 "Hiding article parts."
68 :link '(custom-manual "(gnus)Article Hiding")
71 (defgroup gnus-article-highlight nil
72 "Article highlighting."
73 :link '(custom-manual "(gnus)Article Highlighting")
77 (defgroup gnus-article-signature nil
79 :link '(custom-manual "(gnus)Article Signature")
82 (defgroup gnus-article-headers nil
84 :link '(custom-manual "(gnus)Hiding Headers")
87 (defgroup gnus-article-washing nil
88 "Special commands on articles."
89 :link '(custom-manual "(gnus)Article Washing")
92 (defgroup gnus-article-emphasis nil
93 "Fontisizing articles."
94 :link '(custom-manual "(gnus)Article Fontisizing")
97 (defgroup gnus-article-saving nil
99 :link '(custom-manual "(gnus)Saving Articles")
100 :group 'gnus-article)
102 (defgroup gnus-article-mime nil
103 "Worshiping the MIME wonder."
104 :link '(custom-manual "(gnus)Using MIME")
105 :group 'gnus-article)
107 (defgroup gnus-article-buttons nil
108 "Pushable buttons in the article buffer."
109 :link '(custom-manual "(gnus)Article Buttons")
110 :group 'gnus-article)
112 (defgroup gnus-article-various nil
113 "Other article options."
114 :link '(custom-manual "(gnus)Misc Article")
115 :group 'gnus-article)
117 (defcustom gnus-ignored-headers
120 (concat "^" header ":"))
121 '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
122 "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
123 "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
124 "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
125 "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
126 "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
127 "X-Attribution" "X-Originating-IP" "Delivered-To"
128 "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
129 "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
130 "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
131 "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
132 "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
133 "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
134 "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
135 "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
136 "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
137 "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
138 "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
139 "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
140 "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
141 "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
142 "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
143 "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
144 "List-[A-Za-z]+" "X-Listprocessor-Version"
145 "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
146 "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
147 "X-Received" "Content-length" "X-precedence"
148 "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
149 "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
150 "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
151 "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
152 "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
153 "X-Content-length" "X-Posting-Agent" "Original-Received"
154 "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
155 "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
156 "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
157 "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
158 "X-Abuse-and-DMCA-Info" "X-Postfilter" "X-Gpg-.*" "X-Disclaimer"
159 "Envelope-To" "X-Spam-Score" "System-Type" "X-Injected-Via-Gmane"
160 "X-Gmane-NNTP-Posting-Host" "Jabber-ID" "Archived-At"
161 "Envelope-Sender" "Envelope-Recipients"))
162 "*All headers that start with this regexp will be hidden.
163 This variable can also be a list of regexps of headers to be ignored.
164 If `gnus-visible-headers' is non-nil, this variable will be ignored."
165 :type '(choice :custom-show nil
168 :group 'gnus-article-hiding)
170 (defcustom gnus-visible-headers
171 "^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:"
172 "*All headers that do not match this regexp will be hidden.
173 This variable can also be a list of regexp of headers to remain visible.
174 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
176 (repeat :value-to-internal (lambda (widget value)
177 (custom-split-regexp-maybe value))
178 :match (lambda (widget value)
180 (widget-editable-list-match widget value)))
182 (const :tag "Use gnus-ignored-headers" nil)
184 :group 'gnus-article-hiding)
186 (defcustom gnus-sorted-header-list
187 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
188 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
189 "*This variable is a list of regular expressions.
190 If it is non-nil, headers that match the regular expressions will
191 be placed first in the article buffer in the sequence specified by
193 :type '(repeat regexp)
194 :group 'gnus-article-hiding)
196 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
197 "Headers that are only to be displayed if they have interesting data.
198 Possible values in this list are:
200 'empty Headers with no content.
201 'newsgroups Newsgroup identical to Gnus group.
202 'to-address To identical to To-address.
203 'to-list To identical to To-list.
204 'cc-list CC identical to To-list.
205 'followup-to Followup-to identical to Newsgroups.
206 'reply-to Reply-to identical to From.
207 'date Date less than four days old.
208 'long-to To and/or Cc longer than 1024 characters.
209 'many-to Multiple To and/or Cc."
210 :type '(set (const :tag "Headers with no content." empty)
211 (const :tag "Newsgroups identical to Gnus group." newsgroups)
212 (const :tag "To identical to To-address." to-address)
213 (const :tag "To identical to To-list." to-list)
214 (const :tag "CC identical to To-list." cc-list)
215 (const :tag "Followup-to identical to Newsgroups." followup-to)
216 (const :tag "Reply-to identical to From." reply-to)
217 (const :tag "Date less than four days old." date)
218 (const :tag "To and/or Cc longer than 1024 characters." long-to)
219 (const :tag "Multiple To and/or Cc headers." many-to))
220 :group 'gnus-article-hiding)
222 (defcustom gnus-article-skip-boring nil
223 "Skip over text that is not worth reading.
224 By default, if you set this t, then Gnus will display citations and
225 signatures, but will never scroll down to show you a page consisting
226 only of boring text. Boring text is controlled by
227 `gnus-article-boring-faces'."
230 :group 'gnus-article-hiding)
232 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
233 "Regexp matching signature separator.
234 This can also be a list of regexps. In that case, it will be checked
235 from head to tail looking for a separator. Searches will be done from
236 the end of the buffer."
237 :type '(choice :format "%{%t%}: %[Value Menu%]\n%v"
239 (repeat :tag "List of regexp" regexp))
240 :group 'gnus-article-signature)
242 (defcustom gnus-signature-limit nil
243 "Provide a limit to what is considered a signature.
244 If it is a number, no signature may not be longer (in characters) than
245 that number. If it is a floating point number, no signature may be
246 longer (in lines) than that number. If it is a function, the function
247 will be called without any parameters, and if it returns nil, there is
248 no signature in the buffer. If it is a string, it will be used as a
249 regexp. If it matches, the text in question is not a signature.
251 This can also be a list of the above values."
252 :type '(choice (const nil)
256 (regexp :value ".*"))
257 :group 'gnus-article-signature)
259 (defcustom gnus-hidden-properties '(invisible t intangible t)
260 "Property list to use for hiding text."
262 :group 'gnus-article-hiding)
264 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
265 ;; frames in a session.
266 (defcustom gnus-article-x-face-command
267 (if (featurep 'xemacs)
268 (if (or (gnus-image-type-available-p 'xface)
269 (gnus-image-type-available-p 'pbm))
270 'gnus-display-x-face-in-from
271 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
272 (if (gnus-image-type-available-p 'pbm)
273 'gnus-display-x-face-in-from
274 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
276 "*String or function to be executed to display an X-Face header.
277 If it is a string, the command will be executed in a sub-shell
278 asynchronously. The compressed face will be piped to this command."
279 :type `(choice string
280 (function-item gnus-display-x-face-in-from)
284 :group 'gnus-article-washing)
286 (defcustom gnus-article-x-face-too-ugly nil
287 "Regexp matching posters whose face shouldn't be shown automatically."
288 :type '(choice regexp (const nil))
289 :group 'gnus-article-washing)
291 (defcustom gnus-article-banner-alist nil
292 "Banner alist for stripping.
294 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
296 :type '(repeat (cons symbol regexp))
297 :group 'gnus-article-washing)
299 (gnus-define-group-parameter
302 "Alist of regexps (to match group names) and banner."
303 :variable-group gnus-article-washing
305 '(choice :tag "Banner"
307 (const :tag "Remove signature" signature)
308 (symbol :tag "Item in `gnus-article-banner-alist'" none)
310 (const :tag "None" nil))
312 "If non-nil, specify how to remove `banners' from articles.
314 Symbol `signature' means to remove signatures delimited by
315 `gnus-signature-separator'. Any other symbol is used to look up a
316 regular expression to match the banner in `gnus-article-banner-alist'.
317 A string is used as a regular expression to match the banner
320 (defcustom gnus-article-address-banner-alist nil
321 "Alist of mail addresses and banners.
322 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
323 to match a mail address in the From: header, BANNER is one of a symbol
324 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
325 If ADDRESS matches author's mail address, it will remove things like
326 advertisements. For example:
328 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
332 (regexp :tag "Address")
333 (choice :tag "Banner" :value nil
334 (const :tag "Remove signature" signature)
335 (symbol :tag "Item in `gnus-article-banner-alist'" none)
337 (const :tag "None" nil))))
339 :group 'gnus-article-washing)
341 (defmacro gnus-emphasis-custom-with-format (&rest body)
343 \\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\
344 \\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)"))
347 (defun gnus-emphasis-custom-value-to-external (value)
348 (gnus-emphasis-custom-with-format
349 (if (consp (car value))
350 (list (format format (car (car value)) (cdr (car value)))
352 (if (nth 1 value) 2 3)
356 (defun gnus-emphasis-custom-value-to-internal (value)
357 (gnus-emphasis-custom-with-format
358 (let ((regexp (concat "\\`"
359 (format (regexp-quote format)
360 "\\([^()]+\\)" "\\([^()]+\\)")
363 (if (string-match regexp (setq pattern (car value)))
364 (list (cons (match-string 1 pattern) (match-string 2 pattern))
369 (defcustom gnus-emphasis-alist
371 '(("\\*" "\\*" bold nil 2)
374 ("_/" "/_" underline-italic)
375 ("_\\*" "\\*_" underline-bold)
376 ("\\*/" "/\\*" bold-italic)
377 ("_\\*/" "/\\*_" underline-bold-italic))))
379 (gnus-emphasis-custom-with-format
380 (mapcar (lambda (spec)
381 (list (format format (car spec) (cadr spec))
384 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
386 '(;; I've never seen anyone use this strikethru convention whereas I've
387 ;; several times seen it triggered by normal text. --Stef
388 ;; Miles suggests that this form is sometimes used but for italics,
389 ;; so maybe we should map it to `italic'.
390 ;; ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
391 ;; 2 3 gnus-emphasis-strikethru)
392 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
393 2 3 gnus-emphasis-underline))))
394 "*Alist that says how to fontify certain phrases.
395 Each item looks like this:
397 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
399 The first element is a regular expression to be matched. The second
400 is a number that says what regular expression grouping used to find
401 the entire emphasized word. The third is a number that says what
402 regexp grouping should be displayed and highlighted. The fourth
403 is the face used for highlighting."
407 :format "%[Customizing Style%]\n%v"
409 (group :tag "Default"
410 :value ("" 0 0 default)
413 (let ((value (widget-get
414 (cadr (widget-get (widget-get widget :parent)
417 (if (not (eq (nth 2 value) 'default))
421 (gnus-emphasis-custom-value-to-external value))))
422 (widget-group-value-create widget))
424 (integer :format "Match group: %v")
425 (integer :format "Emphasize group: %v")
428 :value (("_" . "_") nil default)
430 (regexp :format "Start regexp: %v")
431 (regexp :format "End regexp: %v"))
432 (boolean :format "Show start and end patterns: %[%v%]\n"
433 :on " On " :off " Off ")
435 :get (lambda (symbol)
436 (mapcar 'gnus-emphasis-custom-value-to-internal
437 (default-value symbol)))
438 :set (lambda (symbol value)
439 (set-default symbol (mapcar 'gnus-emphasis-custom-value-to-external
441 :group 'gnus-article-emphasis)
443 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
444 "A regexp to describe whitespace which should not be emphasized.
445 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
446 The former avoids underlining of leading and trailing whitespace,
447 and the latter avoids underlining any whitespace at all."
449 :group 'gnus-article-emphasis
452 (defface gnus-emphasis-bold '((t (:bold t)))
453 "Face used for displaying strong emphasized text (*word*)."
454 :group 'gnus-article-emphasis)
456 (defface gnus-emphasis-italic '((t (:italic t)))
457 "Face used for displaying italic emphasized text (/word/)."
458 :group 'gnus-article-emphasis)
460 (defface gnus-emphasis-underline '((t (:underline t)))
461 "Face used for displaying underlined emphasized text (_word_)."
462 :group 'gnus-article-emphasis)
464 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
465 "Face used for displaying underlined bold emphasized text (_*word*_)."
466 :group 'gnus-article-emphasis)
468 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
469 "Face used for displaying underlined italic emphasized text (_/word/_)."
470 :group 'gnus-article-emphasis)
472 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
473 "Face used for displaying bold italic emphasized text (/*word*/)."
474 :group 'gnus-article-emphasis)
476 (defface gnus-emphasis-underline-bold-italic
477 '((t (:bold t :italic t :underline t)))
478 "Face used for displaying underlined bold italic emphasized text.
479 Example: (_/*word*/_)."
480 :group 'gnus-article-emphasis)
482 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
483 '((t (:strikethru t)))
484 '((t (:strike-through t))))
485 "Face used for displaying strike-through text (-word-)."
486 :group 'gnus-article-emphasis)
488 (defface gnus-emphasis-highlight-words
489 '((t (:background "black" :foreground "yellow")))
490 "Face used for displaying highlighted words."
491 :group 'gnus-article-emphasis)
493 (defcustom gnus-article-time-format "%a, %d %b %Y %T %Z"
494 "Format for display of Date headers in article bodies.
495 See `format-time-string' for the possible values.
497 The variable can also be function, which should return a complete Date
498 header. The function is called with one argument, the time, which can
499 be fed to `format-time-string'."
500 :type '(choice string function)
501 :link '(custom-manual "(gnus)Article Date")
502 :group 'gnus-article-washing)
504 (defcustom gnus-save-all-headers t
505 "*If non-nil, don't remove any headers before saving.
506 This will be overridden by the `:headers' property that the symbol of
507 the saver function, which is specified by `gnus-default-article-saver',
509 :group 'gnus-article-saving
512 (defcustom gnus-prompt-before-saving 'always
513 "*This variable says how much prompting is to be done when saving articles.
514 If it is nil, no prompting will be done, and the articles will be
515 saved to the default files. If this variable is `always', each and
516 every article that is saved will be preceded by a prompt, even when
517 saving large batches of articles. If this variable is neither nil not
518 `always', there the user will be prompted once for a file name for
519 each invocation of the saving commands."
520 :group 'gnus-article-saving
521 :type '(choice (item always)
522 (item :tag "never" nil)
523 (sexp :tag "once" :format "%t\n" :value t)))
525 (defcustom gnus-saved-headers gnus-visible-headers
526 "Headers to keep if `gnus-save-all-headers' is nil.
527 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
528 If that variable is nil, however, all headers that match this regexp
529 will be kept while the rest will be deleted before saving. This and
530 `gnus-save-all-headers' will be overridden by the `:headers' property
531 that the symbol of the saver function, which is specified by
532 `gnus-default-article-saver', might have."
533 :group 'gnus-article-saving
536 ;; Note that "Rmail format" is mbox since Emacs 23, but Babyl before.
537 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
538 "A function to save articles in your favourite format.
539 The function will be called by way of the `gnus-summary-save-article'
540 command, and friends such as `gnus-summary-save-article-rmail'.
542 Gnus provides the following functions:
544 * gnus-summary-save-in-rmail (Rmail format)
545 * gnus-summary-save-in-mail (Unix mail format)
546 * gnus-summary-save-in-folder (MH folder)
547 * gnus-summary-save-in-file (article format)
548 * gnus-summary-save-body-in-file (article body)
549 * gnus-summary-save-in-vm (use VM's folder format)
550 * gnus-summary-write-to-file (article format -- overwrite)
551 * gnus-summary-write-body-to-file (article body -- overwrite)
552 * gnus-summary-save-in-pipe (article format)
554 The symbol of each function may have the following properties:
557 The value non-nil means save decoded articles. This is meaningful
558 only with `gnus-summary-save-in-file', `gnus-summary-save-body-in-file',
559 `gnus-summary-write-to-file', `gnus-summary-write-body-to-file', and
560 `gnus-summary-save-in-pipe'.
563 The value specifies an alternative function which appends, not
564 overwrites, articles to a file. This implies that when saving many
565 articles at a time, `gnus-prompt-before-saving' is bound to t and all
566 articles are saved in a single file. This is meaningful only with
567 `gnus-summary-write-to-file' and `gnus-summary-write-body-to-file'.
570 The value specifies the symbol of a variable of which the value
571 specifies headers to be saved. If it is omitted,
572 `gnus-save-all-headers' and `gnus-saved-headers' control what
573 headers should be saved."
574 :group 'gnus-article-saving
575 :type '(radio (function-item gnus-summary-save-in-rmail)
576 (function-item gnus-summary-save-in-mail)
577 (function-item gnus-summary-save-in-folder)
578 (function-item gnus-summary-save-in-file)
579 (function-item gnus-summary-save-body-in-file)
580 (function-item gnus-summary-save-in-vm)
581 (function-item gnus-summary-write-to-file)
582 (function-item gnus-summary-write-body-to-file)
583 (function-item gnus-summary-save-in-pipe)
586 (defcustom gnus-article-save-coding-system
587 (or (and (mm-coding-system-p 'utf-8) 'utf-8)
588 (and (mm-coding-system-p 'iso-2022-7bit) 'iso-2022-7bit)
589 (and (mm-coding-system-p 'emacs-mule) 'emacs-mule)
590 (and (mm-coding-system-p 'escape-quoted) 'escape-quoted))
591 "Coding system used to save decoded articles to a file.
593 The recommended coding systems are `utf-8', `iso-2022-7bit' and so on,
594 which can safely encode any characters in text. This is used by the
597 * gnus-summary-save-article-file
598 * gnus-summary-save-article-body-file
599 * gnus-summary-write-article-file
600 * gnus-summary-write-article-body-file
602 and the functions to which you may set `gnus-default-article-saver':
604 * gnus-summary-save-in-file
605 * gnus-summary-save-body-in-file
606 * gnus-summary-write-to-file
607 * gnus-summary-write-body-to-file
609 Those commands and functions save just text displayed in the article
610 buffer to a file if the value of this variable is non-nil. Note that
611 buttonized MIME parts will be lost in a saved file in that case.
612 Otherwise, raw articles will be saved."
613 :group 'gnus-article-saving
615 :format "%{%t%}:\n %[Value Menu%] %v"
616 (const :tag "Save raw articles" nil)
619 (lambda (arg) (if (mm-coding-system-p (nth 3 arg)) arg))
620 '((const :tag "UTF-8" utf-8)
621 (const :tag "iso-2022-7bit" iso-2022-7bit)
622 (const :tag "Emacs internal" emacs-mule)
623 (const :tag "escape-quoted" escape-quoted))))
624 (symbol :tag "Coding system")))
626 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
627 "A function generating a file name to save articles in Rmail format.
628 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
629 :group 'gnus-article-saving
632 (defcustom gnus-mail-save-name 'gnus-plain-save-name
633 "A function generating a file name to save articles in Unix mail format.
634 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
635 :group 'gnus-article-saving
638 (defcustom gnus-folder-save-name 'gnus-folder-save-name
639 "A function generating a file name to save articles in MH folder.
640 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
641 :group 'gnus-article-saving
644 (defcustom gnus-file-save-name 'gnus-numeric-save-name
645 "A function generating a file name to save articles in article format.
646 The function is called with NEWSGROUP, HEADERS, and optional
648 :group 'gnus-article-saving
651 (defcustom gnus-split-methods
652 '((gnus-article-archive-name)
653 (gnus-article-nndoc-name))
654 "*Variable used to suggest where articles are to be saved.
655 For instance, if you would like to save articles related to Gnus in
656 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
657 you could set this variable to something like:
659 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
660 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
662 This variable is an alist where the key is the match and the
663 value is a list of possible files to save in if the match is
666 If the match is a string, it is used as a regexp match on the
667 article. If the match is a symbol, that symbol will be funcalled
668 from the buffer of the article to be saved with the newsgroup as the
669 parameter. If it is a list, it will be evaled in the same buffer.
671 If this form or function returns a string, this string will be used as a
672 possible file name; and if it returns a non-nil list, that list will be
673 used as possible file names."
674 :group 'gnus-article-saving
675 :type '(repeat (choice (list :value (fun) function)
676 (cons :value ("" "") regexp (repeat string))
679 (defcustom gnus-page-delimiter "^\^L"
680 "*Regexp describing what to use as article page delimiters.
681 The default value is \"^\^L\", which is a form linefeed at the
682 beginning of a line."
684 :group 'gnus-article-various)
686 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
687 "*The format specification for the article mode line.
688 See `gnus-summary-mode-line-format' for a closer description.
690 The following additional specs are available:
692 %w The article washing status.
693 %m The number of MIME parts in the article."
695 :group 'gnus-article-various)
697 (defcustom gnus-article-mode-hook nil
698 "*A hook for Gnus article mode."
700 :group 'gnus-article-various)
702 (when (featurep 'xemacs)
703 ;; Extracted from gnus-xmas-define in order to preserve user settings
704 (when (fboundp 'turn-off-scroll-in-place)
705 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
706 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
707 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
709 (defcustom gnus-article-menu-hook nil
710 "*Hook run after the creation of the article mode menu."
712 :group 'gnus-article-various)
714 (defcustom gnus-article-prepare-hook nil
715 "*A hook called after an article has been prepared in the article buffer."
717 :group 'gnus-article-various)
719 (defcustom gnus-copy-article-ignored-headers nil
720 "List of headers to be removed when copying an article.
721 Each element is a regular expression."
722 :version "23.1" ;; No Gnus
723 :type '(repeat regexp)
724 :group 'gnus-article-various)
726 (make-obsolete-variable 'gnus-article-hide-pgp-hook nil
727 "Gnus 5.10 (Emacs 22.1)")
730 '((t (:weight bold)))
731 "Face used for highlighting a button in the article buffer."
732 :group 'gnus-article-buttons)
734 (defcustom gnus-article-button-face 'gnus-button
735 "Face used for highlighting buttons in the article buffer.
737 An article button is a piece of text that you can activate by pressing
738 `RET' or `mouse-2' above it."
740 :group 'gnus-article-buttons)
742 (defcustom gnus-article-mouse-face 'highlight
743 "Face used for mouse highlighting in the article buffer.
745 Article buttons will be displayed in this face when the cursor is
748 :group 'gnus-article-buttons)
750 (defcustom gnus-signature-face 'gnus-signature
751 "Face used for highlighting a signature in the article buffer.
752 Obsolete; use the face `gnus-signature' for customizations instead."
754 :group 'gnus-article-highlight
755 :group 'gnus-article-signature)
757 (defface gnus-signature
760 "Face used for highlighting a signature in the article buffer."
761 :group 'gnus-article-highlight
762 :group 'gnus-article-signature)
763 ;; backward-compatibility alias
764 (put 'gnus-signature-face 'face-alias 'gnus-signature)
765 (put 'gnus-signature-face 'obsolete-face "22.1")
767 (defface gnus-header-from
770 (:foreground "PaleGreen1"))
773 (:foreground "red3"))
776 "Face used for displaying from headers."
777 :group 'gnus-article-headers
778 :group 'gnus-article-highlight)
779 ;; backward-compatibility alias
780 (put 'gnus-header-from-face 'face-alias 'gnus-header-from)
781 (put 'gnus-header-from-face 'obsolete-face "22.1")
783 (defface gnus-header-subject
786 (:foreground "SeaGreen1"))
789 (:foreground "red4"))
791 (:bold t :italic t)))
792 "Face used for displaying subject headers."
793 :group 'gnus-article-headers
794 :group 'gnus-article-highlight)
795 ;; backward-compatibility alias
796 (put 'gnus-header-subject-face 'face-alias 'gnus-header-subject)
797 (put 'gnus-header-subject-face 'obsolete-face "22.1")
799 (defface gnus-header-newsgroups
802 (:foreground "yellow" :italic t))
805 (:foreground "MidnightBlue" :italic t))
808 "Face used for displaying newsgroups headers.
809 In the default setup this face is only used for crossposted
811 :group 'gnus-article-headers
812 :group 'gnus-article-highlight)
813 ;; backward-compatibility alias
814 (put 'gnus-header-newsgroups-face 'face-alias 'gnus-header-newsgroups)
815 (put 'gnus-header-newsgroups-face 'obsolete-face "22.1")
817 (defface gnus-header-name
820 (:foreground "SpringGreen2"))
823 (:foreground "maroon"))
826 "Face used for displaying header names."
827 :group 'gnus-article-headers
828 :group 'gnus-article-highlight)
829 ;; backward-compatibility alias
830 (put 'gnus-header-name-face 'face-alias 'gnus-header-name)
831 (put 'gnus-header-name-face 'obsolete-face "22.1")
833 (defface gnus-header-content
836 (:foreground "SpringGreen1" :italic t))
839 (:foreground "indianred4" :italic t))
841 (:italic t))) "Face used for displaying header content."
842 :group 'gnus-article-headers
843 :group 'gnus-article-highlight)
844 ;; backward-compatibility alias
845 (put 'gnus-header-content-face 'face-alias 'gnus-header-content)
846 (put 'gnus-header-content-face 'obsolete-face "22.1")
848 (defcustom gnus-header-face-alist
849 '(("From" nil gnus-header-from)
850 ("Subject" nil gnus-header-subject)
851 ("Newsgroups:.*," nil gnus-header-newsgroups)
852 ("" gnus-header-name gnus-header-content))
853 "*Controls highlighting of article headers.
855 An alist of the form (HEADER NAME CONTENT).
857 HEADER is a regular expression which should match the name of a
858 header and NAME and CONTENT are either face names or nil.
860 The name of each header field will be displayed using the face
861 specified by the first element in the list where HEADER matches
862 the header name and NAME is non-nil. Similarly, the content will
863 be displayed by the first non-nil matching CONTENT face."
864 :group 'gnus-article-headers
865 :group 'gnus-article-highlight
866 :type '(repeat (list (regexp :tag "Header")
868 (item :tag "skip" nil)
869 (face :value default))
870 (choice :tag "Content"
871 (item :tag "skip" nil)
872 (face :value default)))))
874 (defcustom gnus-face-properties-alist (if (featurep 'xemacs)
875 '((xface . (:face gnus-x-face)))
876 '((pbm . (:face gnus-x-face))
878 "Alist of image types and properties applied to Face and X-Face images.
881 ;; Specify the altitude of Face images in the From header.
882 \(setq gnus-face-properties-alist
883 '((pbm . (:face gnus-x-face :ascent 80))
884 (png . (:ascent 80))))
886 ;; Show Face images as pressed buttons.
887 \(setq gnus-face-properties-alist
888 '((pbm . (:face gnus-x-face :relief -2))
889 (png . (:relief -2))))
891 See the manual for the valid properties for various image types.
892 Currently, `pbm' is used for X-Face images and `png' is used for Face
893 images in Emacs. Only the `:face' property is effective on the `xface'
894 image type in XEmacs if it is built with the libcompface library."
895 :version "23.1" ;; No Gnus
896 :group 'gnus-article-headers
897 :type '(repeat (cons :format "%v" (symbol :tag "Image type") plist)))
899 (defcustom gnus-article-decode-hook
900 '(article-decode-charset article-decode-encoded-words
901 article-decode-group-name article-decode-idna-rhs)
902 "*Hook run to decode charsets in articles."
903 :group 'gnus-article-headers
906 (defcustom gnus-display-mime-function 'gnus-display-mime
907 "Function to display MIME articles."
908 :group 'gnus-article-mime
911 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
912 "Function used to decode headers.")
914 (defvar gnus-decode-address-function 'mail-decode-encoded-address-region
915 "Function used to decode addresses.")
917 (defvar gnus-article-dumbquotes-map
937 "Table for MS-to-Latin1 translation.")
939 (defcustom gnus-ignored-mime-types nil
940 "List of MIME types that should be ignored by Gnus."
942 :group 'gnus-article-mime
943 :type '(repeat regexp))
945 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
946 "List of MIME types that should not be given buttons when rendered inline.
947 See also `gnus-buttonized-mime-types' which may override this variable.
948 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
950 :group 'gnus-article-mime
951 :type '(repeat regexp))
953 (defcustom gnus-buttonized-mime-types nil
954 "List of MIME types that should be given buttons when rendered inline.
955 If set, this variable overrides `gnus-unbuttonized-mime-types'.
956 To see e.g. security buttons you could set this to
957 `(\"multipart/signed\")'. You could also add \"multipart/alternative\" to
958 this list to display radio buttons that allow you to choose one of two
959 media types those mails include. See also `mm-discouraged-alternatives'.
960 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
962 :group 'gnus-article-mime
963 :type '(repeat regexp))
965 (defcustom gnus-inhibit-mime-unbuttonizing nil
966 "If non-nil, all MIME parts get buttons.
967 When nil (the default value), then some MIME parts do not get buttons,
968 as described by the variables `gnus-buttonized-mime-types' and
969 `gnus-unbuttonized-mime-types'."
971 :group 'gnus-article-mime
974 (defcustom gnus-body-boundary-delimiter "_"
975 "String used to delimit header and body.
976 This variable is used by `gnus-article-treat-body-boundary' which can
977 be controlled by `gnus-treat-body-boundary'."
979 :group 'gnus-article-various
980 :type '(choice (item :tag "None" :value nil)
983 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces"
985 "Defines the location of the faces database.
986 For information on obtaining this database of pretty pictures, please
987 see http://www.cs.indiana.edu/picons/ftp/index.html"
989 :type '(repeat directory)
990 :link '(url-link :tag "download"
991 "http://www.cs.indiana.edu/picons/ftp/index.html")
992 :link '(custom-manual "(gnus)Picons")
995 (defun gnus-picons-installed-p ()
996 "Say whether picons are installed on your machine."
997 (let ((installed nil))
998 (dolist (database gnus-picon-databases)
999 (when (file-exists-p database)
1000 (setq installed t)))
1003 (defcustom gnus-article-mime-part-function nil
1004 "Function called with a MIME handle as the argument.
1005 This is meant for people who want to do something automatic based
1006 on parts -- for instance, adding Vcard info to a database."
1007 :group 'gnus-article-mime
1008 :type '(choice (const nil)
1011 (defcustom gnus-mime-multipart-functions nil
1012 "An alist of MIME types to functions to display them."
1014 :group 'gnus-article-mime
1015 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
1017 (defcustom gnus-article-date-headers
1018 (let ((types '(ut local english lapsed combined-lapsed
1019 iso8601 original user-defined))
1021 (dolist (type types)
1022 (let ((variable (intern (format "gnus-treat-date-%s" type))))
1023 (when (and (boundp variable)
1024 (symbol-value variable))
1025 (push type default))))
1026 (when (and (or (not (boundp (intern "gnus-article-date-lapsed-new-header")))
1027 (not (symbol-value (intern "gnus-article-date-lapsed-new-header"))))
1028 (memq 'lapsed default))
1029 (setq default (delq 'lapsed default)))
1031 '(combined-lapsed)))
1032 "A list of Date header formats to display.
1033 Valid formats are `ut' (universal time), `local' (local time
1034 zone), `english' (readable English), `lapsed' (elapsed time),
1035 `combined-lapsed' (both the original date and the elapsed time),
1036 `original' (the original date header), `iso8601' (ISO8601
1037 format), and `user-defined' (a user-defined format defined by the
1038 `gnus-article-time-format' variable).
1040 You have as many date headers as you want in the article buffer.
1041 Some of these headers are updated automatically. See
1042 `gnus-article-update-date-headers' for details."
1044 :group 'gnus-article-headers
1046 (item :tag "Universal time (UT)" :value 'ut)
1047 (item :tag "Local time zone" :value 'local)
1048 (item :tag "Readable English" :value 'english)
1049 (item :tag "Elapsed time" :value 'lapsed)
1050 (item :tag "Original and elapsed time" :value 'combined-lapsed)
1051 (item :tag "Original date header" :value 'original)
1052 (item :tag "ISO8601 format" :value 'iso8601)
1053 (item :tag "User-defined" :value 'user-defined)))
1055 (defcustom gnus-article-update-date-headers 1
1056 "How often to update the date header.
1057 If nil, don't update it at all."
1059 :group 'gnus-article-headers
1061 (item :tag "Don't update" :value nil)
1064 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
1065 "Function called with a MIME handle as the argument.
1066 This is meant for people who want to view first matched part.
1067 For `undisplayed-alternative' (default), the first undisplayed
1068 part or alternative part is used. For `undisplayed', the first
1069 undisplayed part is used. For a function, the first part which
1070 the function return t is used. For nil, the first part is
1073 :group 'gnus-article-mime
1075 (item :tag "first" :value nil)
1076 (item :tag "undisplayed" :value undisplayed)
1077 (item :tag "undisplayed or alternative"
1078 :value undisplayed-alternative)
1081 (defcustom gnus-mime-action-alist
1082 '(("save to file" . gnus-mime-save-part)
1083 ("save and strip" . gnus-mime-save-part-and-strip)
1084 ("replace with file" . gnus-mime-replace-part)
1085 ("delete part" . gnus-mime-delete-part)
1086 ("display as text" . gnus-mime-inline-part)
1087 ("view the part" . gnus-mime-view-part)
1088 ("pipe to command" . gnus-mime-pipe-part)
1089 ("toggle display" . gnus-article-press-button)
1090 ("toggle display" . gnus-article-view-part-as-charset)
1091 ("view as type" . gnus-mime-view-part-as-type)
1092 ("view internally" . gnus-mime-view-part-internally)
1093 ("view externally" . gnus-mime-view-part-externally))
1094 "An alist of actions that run on the MIME attachment."
1095 :group 'gnus-article-mime
1096 :type '(repeat (cons (string :tag "name")
1099 (defcustom gnus-auto-select-part 1
1100 "Advance to next MIME part when deleting or stripping parts.
1102 When 0, point will be placed on the same part as before. When
1103 positive (negative), move point forward (backwards) this many
1104 parts. When nil, redisplay article."
1105 :version "23.1" ;; No Gnus
1106 :group 'gnus-article-mime
1107 :type '(choice (const nil :tag "Redisplay article.")
1108 (const 1 :tag "Next part.")
1109 (const 0 :tag "Current part.")
1113 ;;; The treatment variables
1116 (defvar gnus-part-display-hook nil
1117 "Hook called on parts that are to receive treatment.")
1119 (defvar gnus-article-treat-custom
1120 '(choice (const :tag "Off" nil)
1122 (const :tag "Header" head)
1123 (const :tag "First" first)
1124 (const :tag "Last" last)
1125 (integer :tag "Less")
1126 (repeat :tag "Groups" regexp)
1127 (sexp :tag "Predicate")))
1129 (defvar gnus-article-treat-head-custom
1130 '(choice (const :tag "Off" nil)
1131 (const :tag "Header" head)))
1133 (defvar gnus-article-treat-types '("text/plain" "text/x-verbatim"
1137 (defvar gnus-inhibit-treatment nil
1138 "Whether to inhibit treatment.")
1140 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
1141 "Highlight the signature.
1142 Valid values are nil, t, `head', `first', `last', an integer or a
1143 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)
1147 (put 'gnus-treat-highlight-signature 'highlight t)
1149 (defcustom gnus-treat-buttonize 100000
1151 Valid values are nil, t, `head', `first', `last', an integer or a
1152 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)
1156 (put 'gnus-treat-buttonize 'highlight t)
1158 (defcustom gnus-treat-buttonize-head 'head
1159 "Add buttons to the head.
1160 Valid values are nil, t, `head', `first', `last', an integer or a
1161 predicate. See Info node `(gnus)Customizing Articles'."
1162 :group 'gnus-article-treat
1163 :link '(custom-manual "(gnus)Customizing Articles")
1164 :type gnus-article-treat-head-custom)
1165 (put 'gnus-treat-buttonize-head 'highlight t)
1167 (defcustom gnus-treat-date 'head
1168 "Display dates according to the `gnus-article-date-headers' variable.
1169 Valid values are nil, t, `head', `first', `last', an integer or a
1170 predicate. See Info node `(gnus)Customizing Articles'."
1172 :group 'gnus-article-treat
1173 :link '(custom-manual "(gnus)Customizing Articles")
1174 :type gnus-article-treat-head-custom)
1176 (defcustom gnus-treat-emphasize 50000
1178 Valid values are nil, t, `head', `first', `last', an integer or a
1179 predicate. See Info node `(gnus)Customizing Articles'."
1180 :group 'gnus-article-treat
1181 :link '(custom-manual "(gnus)Customizing Articles")
1182 :type gnus-article-treat-custom)
1183 (put 'gnus-treat-emphasize 'highlight t)
1185 (defcustom gnus-treat-strip-cr nil
1186 "Remove carriage returns.
1187 Valid values are nil, t, `head', `first', `last', an integer or a
1188 predicate. See Info node `(gnus)Customizing Articles'."
1190 :group 'gnus-article-treat
1191 :link '(custom-manual "(gnus)Customizing Articles")
1192 :type gnus-article-treat-custom)
1194 (defcustom gnus-treat-unsplit-urls nil
1195 "Remove newlines from within URLs.
1196 Valid values are nil, t, `head', `first', `last', an integer or a
1197 predicate. See Info node `(gnus)Customizing Articles'."
1199 :group 'gnus-article-treat
1200 :link '(custom-manual "(gnus)Customizing Articles")
1201 :type gnus-article-treat-custom)
1203 (defcustom gnus-treat-leading-whitespace nil
1204 "Remove leading whitespace in headers.
1205 Valid values are nil, t, `head', `first', `last', an integer or a
1206 predicate. See Info node `(gnus)Customizing Articles'."
1208 :group 'gnus-article-treat
1209 :link '(custom-manual "(gnus)Customizing Articles")
1210 :type gnus-article-treat-custom)
1212 (defcustom gnus-treat-hide-headers 'head
1214 Valid values are nil, t, `head', `first', `last', an integer or a
1215 predicate. See Info node `(gnus)Customizing Articles'."
1216 :group 'gnus-article-treat
1217 :link '(custom-manual "(gnus)Customizing Articles")
1218 :type gnus-article-treat-head-custom)
1220 (defcustom gnus-treat-hide-boring-headers nil
1221 "Hide boring headers.
1222 Valid values are nil, t, `head', `first', `last', an integer or a
1223 predicate. See Info node `(gnus)Customizing Articles'."
1224 :group 'gnus-article-treat
1225 :link '(custom-manual "(gnus)Customizing Articles")
1226 :type gnus-article-treat-head-custom)
1228 (defcustom gnus-treat-hide-signature nil
1229 "Hide the signature.
1230 Valid values are nil, t, `head', `first', `last', an integer or a
1231 predicate. See Info node `(gnus)Customizing Articles'."
1232 :group 'gnus-article-treat
1233 :link '(custom-manual "(gnus)Customizing Articles")
1234 :type gnus-article-treat-custom)
1236 (defcustom gnus-treat-fill-article nil
1238 Valid values are nil, t, `head', `first', `last', an integer or a
1239 predicate. See Info node `(gnus)Customizing Articles'."
1240 :group 'gnus-article-treat
1241 :link '(custom-manual "(gnus)Customizing Articles")
1242 :type gnus-article-treat-custom)
1244 (defcustom gnus-treat-hide-citation nil
1246 Valid values are nil, t, `head', `first', `last', an integer or a
1247 predicate. See Info node `(gnus)Customizing Articles'."
1248 :group 'gnus-article-treat
1249 :link '(custom-manual "(gnus)Customizing Articles")
1250 :type gnus-article-treat-custom)
1252 (defcustom gnus-treat-hide-citation-maybe nil
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)
1260 (defcustom gnus-treat-strip-list-identifiers 'head
1261 "Strip list identifiers from `gnus-list-identifiers`.
1262 Valid values are nil, t, `head', `first', `last', an integer or a
1263 predicate. See Info node `(gnus)Customizing Articles'."
1265 :group 'gnus-article-treat
1266 :link '(custom-manual "(gnus)Customizing Articles")
1267 :type gnus-article-treat-custom)
1269 (make-obsolete-variable 'gnus-treat-strip-pgp nil
1270 "Gnus 5.10 (Emacs 22.1)")
1272 (defcustom gnus-treat-strip-pem nil
1273 "Strip PEM signatures.
1274 Valid values are nil, t, `head', `first', `last', an integer or a
1275 predicate. See Info node `(gnus)Customizing Articles'."
1276 :group 'gnus-article-treat
1277 :link '(custom-manual "(gnus)Customizing Articles")
1278 :type gnus-article-treat-custom)
1280 (defcustom gnus-treat-strip-banner t
1281 "Strip banners from articles.
1282 The banner to be stripped is specified in the `banner' group parameter.
1283 Valid values are nil, t, `head', `first', `last', an integer or a
1284 predicate. See Info node `(gnus)Customizing Articles'."
1285 :group 'gnus-article-treat
1286 :link '(custom-manual "(gnus)Customizing Articles")
1287 :type gnus-article-treat-custom)
1289 (defcustom gnus-treat-highlight-headers 'head
1290 "Highlight the headers.
1291 Valid values are nil, t, `head', `first', `last', an integer or a
1292 predicate. See Info node `(gnus)Customizing Articles'."
1293 :group 'gnus-article-treat
1294 :link '(custom-manual "(gnus)Customizing Articles")
1295 :type gnus-article-treat-head-custom)
1296 (put 'gnus-treat-highlight-headers 'highlight t)
1298 (defcustom gnus-treat-highlight-citation t
1299 "Highlight cited text.
1300 Valid values are nil, t, `head', `first', `last', an integer or a
1301 predicate. See Info node `(gnus)Customizing Articles'."
1302 :group 'gnus-article-treat
1303 :link '(custom-manual "(gnus)Customizing Articles")
1304 :type gnus-article-treat-custom)
1305 (put 'gnus-treat-highlight-citation 'highlight t)
1307 (defcustom gnus-treat-strip-headers-in-body t
1308 "Strip the X-No-Archive header line from the beginning of the body.
1309 Valid values are nil, t, `head', `first', `last', an integer or a
1310 predicate. See Info node `(gnus)Customizing Articles'."
1312 :group 'gnus-article-treat
1313 :link '(custom-manual "(gnus)Customizing Articles")
1314 :type gnus-article-treat-custom)
1316 (defcustom gnus-treat-strip-trailing-blank-lines nil
1317 "Strip trailing blank lines.
1318 Valid values are nil, t, `head', `first', `last', an integer or a
1319 predicate. See Info node `(gnus)Customizing Articles'.
1321 When set to t, it also strips trailing blanks in all MIME parts.
1322 Consider to use `last' instead."
1323 :group 'gnus-article-treat
1324 :link '(custom-manual "(gnus)Customizing Articles")
1325 :type gnus-article-treat-custom)
1327 (defcustom gnus-treat-strip-leading-blank-lines nil
1328 "Strip leading blank lines.
1329 Valid values are nil, t, `head', `first', `last', an integer or a
1330 predicate. See Info node `(gnus)Customizing Articles'.
1332 When set to t, it also strips trailing blanks in all MIME parts."
1333 :group 'gnus-article-treat
1334 :link '(custom-manual "(gnus)Customizing Articles")
1335 :type gnus-article-treat-custom)
1337 (defcustom gnus-treat-strip-multiple-blank-lines nil
1338 "Strip multiple blank lines.
1339 Valid values are nil, t, `head', `first', `last', an integer or a
1340 predicate. See Info node `(gnus)Customizing Articles'."
1341 :group 'gnus-article-treat
1342 :link '(custom-manual "(gnus)Customizing Articles")
1343 :type gnus-article-treat-custom)
1345 (defcustom gnus-treat-unfold-headers 'head
1346 "Unfold folded header lines.
1347 Valid values are nil, t, `head', `first', `last', an integer or a
1348 predicate. See Info node `(gnus)Customizing Articles'."
1350 :group 'gnus-article-treat
1351 :link '(custom-manual "(gnus)Customizing Articles")
1352 :type gnus-article-treat-custom)
1354 (defcustom gnus-article-unfold-long-headers nil
1355 "If non-nil, allow unfolding headers even if the header is long.
1356 If it is a regexp, only long headers matching this regexp are unfolded.
1357 If it is t, all long headers are unfolded.
1359 This variable has no effect if `gnus-treat-unfold-headers' is nil."
1360 :version "23.1" ;; No Gnus
1361 :group 'gnus-article-treat
1362 :type '(choice (const nil)
1363 (const :tag "all" t)
1366 (defcustom gnus-treat-fold-headers nil
1368 Valid values are nil, t, `head', `first', `last', an integer or a
1369 predicate. See Info node `(gnus)Customizing Articles'."
1371 :group 'gnus-article-treat
1372 :link '(custom-manual "(gnus)Customizing Articles")
1373 :type gnus-article-treat-custom)
1375 (defcustom gnus-treat-fold-newsgroups 'head
1376 "Fold the Newsgroups and Followup-To headers.
1377 Valid values are nil, t, `head', `first', `last', an integer or a
1378 predicate. See Info node `(gnus)Customizing Articles'."
1380 :group 'gnus-article-treat
1381 :link '(custom-manual "(gnus)Customizing Articles")
1382 :type gnus-article-treat-custom)
1384 (defcustom gnus-treat-overstrike t
1385 "Treat overstrike highlighting.
1386 Valid values are nil, t, `head', `first', `last', an integer or a
1387 predicate. See Info node `(gnus)Customizing Articles'."
1388 :group 'gnus-article-treat
1389 :link '(custom-manual "(gnus)Customizing Articles")
1390 :type gnus-article-treat-custom)
1391 (put 'gnus-treat-overstrike 'highlight t)
1393 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1394 "Treat ANSI SGR control sequences.
1395 Valid values are nil, t, `head', `first', `last', an integer or a
1396 predicate. See Info node `(gnus)Customizing Articles'."
1397 :group 'gnus-article-treat
1398 :link '(custom-manual "(gnus)Customizing Articles")
1399 :type gnus-article-treat-custom)
1401 (make-obsolete-variable 'gnus-treat-display-xface
1402 'gnus-treat-display-x-face "Emacs 22.1")
1404 (defcustom gnus-treat-display-x-face
1405 (and (not noninteractive)
1406 (gnus-image-type-available-p 'xbm)
1407 (if (featurep 'xemacs)
1410 (and (string-match "^0x" (shell-command-to-string "uncompface"))
1411 (executable-find "icontopbm"))
1412 ;; shell-command-to-string may signal an error, e.g. if
1413 ;; shell-file-name is not found.
1416 "Display X-Face headers.
1417 Valid values are nil and `head'.
1418 See Info node `(gnus)Customizing Articles' and Info node
1419 `(gnus)X-Face' for details."
1420 :group 'gnus-article-treat
1422 :link '(custom-manual "(gnus)Customizing Articles")
1423 :link '(custom-manual "(gnus)X-Face")
1424 :type gnus-article-treat-head-custom
1425 :set (lambda (symbol value)
1428 (cond ((or (boundp symbol) (get symbol 'saved-value))
1430 ((boundp 'gnus-treat-display-xface)
1432 ** gnus-treat-display-xface is an obsolete variable;\
1433 use gnus-treat-display-x-face instead")
1434 (default-value 'gnus-treat-display-xface))
1435 ((get 'gnus-treat-display-xface 'saved-value)
1437 ** gnus-treat-display-xface is an obsolete variable;\
1438 use gnus-treat-display-x-face instead")
1439 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1442 (put 'gnus-treat-display-x-face 'highlight t)
1444 (defcustom gnus-treat-display-face
1445 (and (not noninteractive)
1446 (gnus-image-type-available-p 'png)
1448 "Display Face headers.
1449 Valid values are nil, t, `head', `first', `last', an integer or a
1450 predicate. See Info node `(gnus)Customizing Articles' and Info
1451 node `(gnus)Face' for details."
1452 :group 'gnus-article-treat
1454 :link '(custom-manual "(gnus)Customizing Articles")
1455 :link '(custom-manual "(gnus)X-Face")
1456 :type gnus-article-treat-head-custom)
1457 (put 'gnus-treat-display-face 'highlight t)
1459 (defcustom gnus-treat-display-smileys (gnus-image-type-available-p 'xpm)
1461 Valid values are nil, t, `head', `first', `last', an integer or a
1462 predicate. See Info node `(gnus)Customizing Articles' and Info
1463 node `(gnus)Smileys' for details."
1464 :group 'gnus-article-treat
1466 :link '(custom-manual "(gnus)Customizing Articles")
1467 :link '(custom-manual "(gnus)Smileys")
1468 :type gnus-article-treat-custom)
1469 (put 'gnus-treat-display-smileys 'highlight t)
1471 (defcustom gnus-treat-from-picon
1472 (if (and (gnus-image-type-available-p 'xpm)
1473 (gnus-picons-installed-p))
1475 "Display picons in the From header.
1476 Valid values are nil, t, `head', `first', `last', an integer or a
1477 predicate. See Info node `(gnus)Customizing Articles' and Info
1478 node `(gnus)Picons' for details."
1480 :group 'gnus-article-treat
1482 :link '(custom-manual "(gnus)Customizing Articles")
1483 :link '(custom-manual "(gnus)Picons")
1484 :type gnus-article-treat-head-custom)
1485 (put 'gnus-treat-from-picon 'highlight t)
1487 (defcustom gnus-treat-mail-picon
1488 (if (and (gnus-image-type-available-p 'xpm)
1489 (gnus-picons-installed-p))
1491 "Display picons in To and Cc headers.
1492 Valid values are nil, t, `head', `first', `last', an integer or a
1493 predicate. See Info node `(gnus)Customizing Articles' and Info
1494 node `(gnus)Picons' for details."
1496 :group 'gnus-article-treat
1498 :link '(custom-manual "(gnus)Customizing Articles")
1499 :link '(custom-manual "(gnus)Picons")
1500 :type gnus-article-treat-head-custom)
1501 (put 'gnus-treat-mail-picon 'highlight t)
1503 (defcustom gnus-treat-newsgroups-picon
1504 (if (and (gnus-image-type-available-p 'xpm)
1505 (gnus-picons-installed-p))
1507 "Display picons in the Newsgroups and Followup-To headers.
1508 Valid values are nil, t, `head', `first', `last', an integer or a
1509 predicate. See Info node `(gnus)Customizing Articles' and Info
1510 node `(gnus)Picons' for details."
1512 :group 'gnus-article-treat
1514 :link '(custom-manual "(gnus)Customizing Articles")
1515 :link '(custom-manual "(gnus)Picons")
1516 :type gnus-article-treat-head-custom)
1517 (put 'gnus-treat-newsgroups-picon 'highlight t)
1519 (defcustom gnus-treat-from-gravatar nil
1520 "Display gravatars in the From header.
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)Gravatars' for details."
1525 :group 'gnus-article-treat
1526 :group 'gnus-gravatar
1527 :link '(custom-manual "(gnus)Customizing Articles")
1528 :link '(custom-manual "(gnus)Gravatars")
1529 :type gnus-article-treat-head-custom)
1530 (put 'gnus-treat-from-gravatar 'highlight t)
1532 (defcustom gnus-treat-mail-gravatar nil
1533 "Display gravatars in To and Cc headers.
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-mail-gravatar 'highlight t)
1545 (defcustom gnus-treat-body-boundary
1546 (if (or gnus-treat-newsgroups-picon
1547 gnus-treat-mail-picon
1548 gnus-treat-from-picon
1549 gnus-treat-from-gravatar
1550 gnus-treat-mail-gravatar)
1551 ;; If there's much decoration, the user might prefer a boundery.
1554 "Draw a boundary at the end of the headers.
1555 Valid values are nil and `head'.
1556 See Info node `(gnus)Customizing Articles' for details."
1558 :group 'gnus-article-treat
1559 :link '(custom-manual "(gnus)Customizing Articles")
1560 :type gnus-article-treat-head-custom)
1562 (defcustom gnus-treat-capitalize-sentences nil
1563 "Capitalize sentence-starting words.
1564 Valid values are nil, t, `head', `first', `last', an integer or a
1565 predicate. See Info node `(gnus)Customizing Articles'."
1567 :group 'gnus-article-treat
1568 :link '(custom-manual "(gnus)Customizing Articles")
1569 :type gnus-article-treat-custom)
1571 (defcustom gnus-treat-wash-html nil
1573 Valid values are nil, t, `head', `first', `last', an integer or a
1574 predicate. See Info node `(gnus)Customizing Articles'."
1576 :group 'gnus-article-treat
1577 :link '(custom-manual "(gnus)Customizing Articles")
1578 :type gnus-article-treat-custom)
1580 (defcustom gnus-treat-fill-long-lines '(typep "text/plain")
1582 Valid values are nil, t, `head', `first', `last', an integer or a
1583 predicate. See Info node `(gnus)Customizing Articles'."
1585 :group 'gnus-article-treat
1586 :link '(custom-manual "(gnus)Customizing Articles")
1587 :type gnus-article-treat-custom)
1589 (defcustom gnus-treat-x-pgp-sig nil
1591 To automatically treat X-PGP-Sig, set it to head.
1592 Valid values are nil, t, `head', `first', `last', an integer or a
1593 predicate. See Info node `(gnus)Customizing Articles'."
1595 :group 'gnus-article-treat
1596 :group 'mime-security
1597 :link '(custom-manual "(gnus)Customizing Articles")
1598 :type gnus-article-treat-custom)
1600 (defvar gnus-article-encrypt-protocol-alist
1601 '(("PGP" . mml2015-self-encrypt)))
1603 ;; Set to nil if more than one protocol added to
1604 ;; gnus-article-encrypt-protocol-alist.
1605 (defcustom gnus-article-encrypt-protocol "PGP"
1606 "The protocol used for encrypt articles.
1607 It is a string, such as \"PGP\". If nil, ask user."
1610 :group 'mime-security)
1612 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1613 (mm-coding-system-p 'utf-8)
1614 (executable-find idna-program))
1615 "Whether IDNA decoding of headers is used when viewing messages.
1616 This requires GNU Libidn, and by default only enabled if it is found."
1618 :group 'gnus-article-headers
1621 (defcustom gnus-article-over-scroll nil
1622 "If non-nil, allow scrolling the article buffer even when there no more text."
1624 :group 'gnus-article
1627 (defcustom gnus-inhibit-images nil
1628 "Non-nil means inhibit displaying of images inline in the article body."
1630 :group 'gnus-article
1633 (defcustom gnus-blocked-images 'gnus-block-private-groups
1634 "Images that have URLs matching this regexp will be blocked.
1635 This can also be a function to be evaluated. If so, it will be
1636 called with the group name as the parameter, and should return a
1642 ;;; Internal variables
1644 (defvar gnus-english-month-names
1645 '("January" "February" "March" "April" "May" "June" "July" "August"
1646 "September" "October" "November" "December"))
1648 (defvar article-goto-body-goes-to-point-min-p nil)
1649 (defvar gnus-article-wash-types nil)
1650 (defvar gnus-article-emphasis-alist nil)
1651 (defvar gnus-article-image-alist nil)
1653 (defvar gnus-article-mime-handle-alist-1 nil)
1654 (defvar gnus-treatment-function-alist
1655 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1656 (gnus-treat-strip-banner gnus-article-strip-banner)
1657 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1658 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1659 (gnus-treat-buttonize gnus-article-add-buttons)
1660 (gnus-treat-fill-article gnus-article-fill-cited-article)
1661 (gnus-treat-fill-long-lines gnus-article-fill-cited-long-lines)
1662 (gnus-treat-strip-cr gnus-article-remove-cr)
1663 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1664 (gnus-treat-display-x-face gnus-article-display-x-face)
1665 (gnus-treat-display-face gnus-article-display-face)
1666 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1667 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1668 (gnus-treat-hide-signature gnus-article-hide-signature)
1669 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1670 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1671 (gnus-treat-from-picon gnus-treat-from-picon)
1672 (gnus-treat-mail-picon gnus-treat-mail-picon)
1673 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1674 (gnus-treat-strip-pem gnus-article-hide-pem)
1675 (gnus-treat-date gnus-article-treat-date)
1676 (gnus-treat-from-gravatar gnus-treat-from-gravatar)
1677 (gnus-treat-mail-gravatar gnus-treat-mail-gravatar)
1678 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1679 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1680 (gnus-treat-strip-trailing-blank-lines
1681 gnus-article-remove-trailing-blank-lines)
1682 (gnus-treat-strip-leading-blank-lines
1683 gnus-article-strip-leading-blank-lines)
1684 (gnus-treat-strip-multiple-blank-lines
1685 gnus-article-strip-multiple-blank-lines)
1686 (gnus-treat-overstrike gnus-article-treat-overstrike)
1687 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1688 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1689 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1690 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1691 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1692 (gnus-treat-display-smileys gnus-treat-smiley)
1693 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1694 (gnus-treat-wash-html gnus-article-wash-html)
1695 (gnus-treat-emphasize gnus-article-emphasize)
1696 (gnus-treat-hide-citation gnus-article-hide-citation)
1697 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1698 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1699 (gnus-treat-body-boundary gnus-article-treat-body-boundary)))
1701 (defvar gnus-article-mime-handle-alist nil)
1702 (defvar article-lapsed-timer nil)
1703 (defvar gnus-article-current-summary nil)
1705 (defvar gnus-article-mode-syntax-table
1706 (let ((table (copy-syntax-table text-mode-syntax-table)))
1707 ;; This causes the citation match run O(2^n).
1708 ;; (modify-syntax-entry ?- "w" table)
1709 (modify-syntax-entry ?> ")<" table)
1710 (modify-syntax-entry ?< "(>" table)
1711 ;; make M-. in article buffers work for `foo' strings
1712 (modify-syntax-entry ?' " " table)
1713 (modify-syntax-entry ?` " " table)
1715 "Syntax table used in article mode buffers.
1716 Initialized from `text-mode-syntax-table.")
1718 (defvar gnus-save-article-buffer nil)
1720 (defvar gnus-number-of-articles-to-be-saved nil)
1722 (defvar gnus-inhibit-hiding nil)
1724 (defvar gnus-article-edit-mode nil)
1726 ;;; Macros for dealing with the article buffer.
1728 (defmacro gnus-with-article-headers (&rest forms)
1729 `(with-current-buffer gnus-article-buffer
1731 (let ((inhibit-read-only t)
1732 (inhibit-point-motion-hooks t)
1733 (case-fold-search t))
1734 (article-narrow-to-head)
1737 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1738 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1740 (defmacro gnus-with-article-buffer (&rest forms)
1741 `(with-current-buffer gnus-article-buffer
1742 (let ((inhibit-read-only t))
1745 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1746 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1748 (defun gnus-article-goto-header (header)
1749 "Go to HEADER, which is a regular expression."
1750 (re-search-forward (concat "^\\(" header "\\):") nil t))
1752 (defsubst gnus-article-hide-text (b e props)
1753 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1754 (gnus-add-text-properties-when 'article-type nil b e props)
1755 (when (memq 'intangible props)
1757 (max (1- b) (point-min))
1758 b 'intangible (cddr (memq 'intangible props)))))
1760 (defsubst gnus-article-unhide-text (b e)
1761 "Remove hidden text properties from region between B and E."
1762 (remove-text-properties b e gnus-hidden-properties)
1763 (when (memq 'intangible gnus-hidden-properties)
1764 (put-text-property (max (1- b) (point-min))
1765 b 'intangible nil)))
1767 (defun gnus-article-hide-text-type (b e type)
1768 "Hide text of TYPE between B and E."
1769 (gnus-add-wash-type type)
1770 (gnus-article-hide-text
1771 b e (cons 'article-type (cons type gnus-hidden-properties))))
1773 (defun gnus-article-unhide-text-type (b e type)
1774 "Unhide text of TYPE between B and E."
1775 (gnus-delete-wash-type type)
1776 (remove-text-properties
1777 b e (cons 'article-type (cons type gnus-hidden-properties)))
1778 (when (memq 'intangible gnus-hidden-properties)
1779 (put-text-property (max (1- b) (point-min))
1780 b 'intangible nil)))
1782 (defun gnus-article-hide-text-of-type (type)
1783 "Hide text of TYPE in the current buffer."
1785 (let ((b (point-min))
1787 (while (setq b (text-property-any b e 'article-type type))
1788 (add-text-properties b (incf b) gnus-hidden-properties)))))
1790 (defun gnus-article-delete-text-of-type (type)
1791 "Delete text of TYPE in the current buffer."
1793 (let ((b (point-min)))
1794 (if (eq type 'multipart)
1795 ;; Remove MIME buttons associated with multipart/alternative parts.
1798 (while (if (get-text-property (point) 'gnus-part)
1800 (when (setq b (next-single-property-change (point)
1805 (skip-chars-forward "\n")
1806 (when (eq (get-text-property b 'article-type) 'multipart)
1807 (delete-region b (point)))))
1808 (while (setq b (text-property-any b (point-max) 'article-type type))
1810 b (or (text-property-not-all b (point-max) 'article-type type)
1813 (defun gnus-article-delete-invisible-text ()
1814 "Delete all invisible text in the current buffer."
1816 (let ((b (point-min)))
1817 (while (setq b (text-property-any b (point-max) 'invisible t))
1819 b (or (text-property-not-all b (point-max) 'invisible t)
1822 (defun gnus-article-text-type-exists-p (type)
1823 "Say whether any text of type TYPE exists in the buffer."
1824 (text-property-any (point-min) (point-max) 'article-type type))
1826 (defsubst gnus-article-header-rank ()
1827 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1828 (let ((list gnus-sorted-header-list)
1831 (if (looking-at (car list))
1833 (setq list (cdr list))
1837 (defun article-hide-headers (&optional arg delete)
1838 "Hide unwanted headers and possibly sort them as well."
1840 ;; This function might be inhibited.
1841 (unless gnus-inhibit-hiding
1842 (let ((inhibit-read-only t)
1843 (case-fold-search t)
1844 (max (1+ (length gnus-sorted-header-list)))
1845 (inhibit-point-motion-hooks t)
1846 (cur (current-buffer))
1847 ignored visible beg)
1849 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1850 ;; group parameters, so we should go to the summary buffer.
1853 (progn (set-buffer gnus-summary-buffer) t)
1855 (setq ignored (when (not gnus-visible-headers)
1856 (cond ((stringp gnus-ignored-headers)
1857 gnus-ignored-headers)
1858 ((listp gnus-ignored-headers)
1859 (mapconcat 'identity
1860 gnus-ignored-headers
1862 visible (cond ((stringp gnus-visible-headers)
1863 gnus-visible-headers)
1864 ((and gnus-visible-headers
1865 (listp gnus-visible-headers))
1866 (mapconcat 'identity
1867 gnus-visible-headers
1871 ;; First we narrow to just the headers.
1872 (article-narrow-to-head)
1873 ;; Hide any "From " lines at the beginning of (mail) articles.
1874 (while (looking-at "From ")
1877 (delete-region (point-min) (point)))
1878 ;; Then treat the rest of the header lines.
1879 ;; Then we use the two regular expressions
1880 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1881 ;; select which header lines is to remain visible in the
1883 (while (re-search-forward "^[^ \t:]*:" nil t)
1885 ;; Mark the rank of the header.
1887 (point) (1+ (point)) 'message-rank
1888 (if (or (and visible (looking-at visible))
1890 (not (looking-at ignored))))
1891 (gnus-article-header-rank)
1894 (message-sort-headers-1)
1895 (when (setq beg (text-property-any
1896 (point-min) (point-max) 'message-rank (+ 2 max)))
1897 ;; We delete the unwanted headers.
1898 (gnus-add-wash-type 'headers)
1899 (add-text-properties (point-min) (+ 5 (point-min))
1900 '(article-type headers dummy-invisible t))
1901 (delete-region beg (point-max))))))))
1903 (defun article-hide-boring-headers (&optional arg)
1904 "Toggle hiding of headers that aren't very interesting.
1905 If given a negative prefix, always show; if given a positive prefix,
1907 (interactive (gnus-article-hidden-arg))
1908 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1909 (not gnus-show-all-headers))
1912 (let ((inhibit-read-only t)
1913 (inhibit-point-motion-hooks t))
1914 (article-narrow-to-head)
1915 (dolist (elem gnus-boring-article-headers)
1916 (goto-char (point-min))
1918 ;; Hide empty headers.
1920 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1922 (gnus-article-hide-text-type
1926 (if (re-search-forward "^[^ \t]" nil t)
1930 ;; Hide boring Newsgroups header.
1931 ((eq elem 'newsgroups)
1932 (when (gnus-string-equal
1933 (gnus-fetch-field "newsgroups")
1934 (gnus-group-real-name
1935 (if (boundp 'gnus-newsgroup-name)
1938 (gnus-article-hide-header "newsgroups")))
1939 ((eq elem 'to-address)
1940 (let ((to (message-fetch-field "to"))
1942 (gnus-parameter-to-address
1943 (if (boundp 'gnus-newsgroup-name)
1944 gnus-newsgroup-name ""))))
1945 (when (and to to-address
1948 ;; only one address in To
1949 (nth 1 (mail-extract-address-components to))
1951 (gnus-article-hide-header "to"))))
1953 (let ((to (message-fetch-field "to"))
1955 (gnus-parameter-to-list
1956 (if (boundp 'gnus-newsgroup-name)
1957 gnus-newsgroup-name ""))))
1958 (when (and to to-list
1961 ;; only one address in To
1962 (nth 1 (mail-extract-address-components to))
1964 (gnus-article-hide-header "to"))))
1966 (let ((cc (message-fetch-field "cc"))
1968 (gnus-parameter-to-list
1969 (if (boundp 'gnus-newsgroup-name)
1970 gnus-newsgroup-name ""))))
1971 (when (and cc to-list
1974 ;; only one address in CC
1975 (nth 1 (mail-extract-address-components cc))
1977 (gnus-article-hide-header "cc"))))
1978 ((eq elem 'followup-to)
1979 (when (gnus-string-equal
1980 (message-fetch-field "followup-to")
1981 (message-fetch-field "newsgroups"))
1982 (gnus-article-hide-header "followup-to")))
1983 ((eq elem 'reply-to)
1984 (if (gnus-group-find-parameter
1985 gnus-newsgroup-name 'broken-reply-to)
1986 (gnus-article-hide-header "reply-to")
1987 (let ((from (message-fetch-field "from"))
1988 (reply-to (message-fetch-field "reply-to")))
1995 (lambda (x) (downcase (cadr x)))
1996 (mail-extract-address-components from t))
1999 (lambda (x) (downcase (cadr x)))
2000 (mail-extract-address-components reply-to t))
2002 (gnus-article-hide-header "reply-to")))))
2004 (let ((date (with-current-buffer gnus-original-article-buffer
2005 ;; If date in `gnus-article-buffer' is localized
2006 ;; (`gnus-treat-date-user-defined'),
2007 ;; `days-between' might fail.
2008 (message-fetch-field "date"))))
2010 (< (days-between (current-time-string) date)
2012 (gnus-article-hide-header "date"))))
2014 (let ((to (message-fetch-field "to"))
2015 (cc (message-fetch-field "cc")))
2016 (when (> (length to) 1024)
2017 (gnus-article-hide-header "to"))
2018 (when (> (length cc) 1024)
2019 (gnus-article-hide-header "cc"))))
2023 (goto-char (point-min))
2024 (while (re-search-forward "^to:" nil t)
2025 (setq to-count (1+ to-count)))
2026 (when (> to-count 1)
2027 (while (> to-count 0)
2028 (goto-char (point-min))
2030 (re-search-forward "^to:" nil nil to-count)
2032 (narrow-to-region (point) (point-max))
2033 (gnus-article-hide-header "to"))
2034 (setq to-count (1- to-count))))
2035 (goto-char (point-min))
2036 (while (re-search-forward "^cc:" nil t)
2037 (setq cc-count (1+ cc-count)))
2038 (when (> cc-count 1)
2039 (while (> cc-count 0)
2040 (goto-char (point-min))
2042 (re-search-forward "^cc:" nil nil cc-count)
2044 (narrow-to-region (point) (point-max))
2045 (gnus-article-hide-header "cc"))
2046 (setq cc-count (1- cc-count)))))))))))))
2048 (defun gnus-article-hide-header (header)
2050 (goto-char (point-min))
2051 (when (re-search-forward (concat "^" header ":") nil t)
2052 (gnus-article-hide-text-type
2056 (if (re-search-forward "^[^ \t]" nil t)
2061 (defvar gnus-article-normalized-header-length 40
2062 "Length of normalized headers.")
2064 (defun article-normalize-headers ()
2065 "Make all header lines 40 characters long."
2067 (let ((inhibit-read-only t)
2071 (article-narrow-to-head)
2074 ((< (setq column (- (point-at-eol) (point)))
2075 gnus-article-normalized-header-length)
2077 (insert (make-string
2078 (- gnus-article-normalized-header-length column)
2080 ((> column gnus-article-normalized-header-length)
2081 (gnus-put-text-property
2083 (forward-char gnus-article-normalized-header-length)
2090 (forward-line 1))))))
2092 (defun article-treat-dumbquotes ()
2093 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
2094 Note that this function guesses whether a character is a sm*rtq**t* or
2095 not, so it should only be used interactively.
2097 Sm*rtq**t*s are M****s***'s unilateral extension to the
2098 iso-8859-1 character map in an attempt to provide more quoting
2099 characters. If you see something like \\222 or \\264 where
2100 you're expecting some kind of apostrophe or quotation mark, then
2103 (article-translate-strings gnus-article-dumbquotes-map))
2105 (defvar org-entities)
2107 (defun article-treat-non-ascii ()
2108 "Translate many Unicode characters into their ASCII equivalents."
2110 (require 'org-entities)
2111 (let ((table (make-char-table (if (featurep 'xemacs) 'generic))))
2112 (dolist (elem org-entities)
2113 (when (and (listp elem)
2114 (= (length (nth 6 elem)) 1))
2115 (if (featurep 'xemacs)
2116 (put-char-table (aref (nth 6 elem) 0) (nth 4 elem) table)
2117 (set-char-table-range table (aref (nth 6 elem) 0) (nth 4 elem)))))
2119 (when (article-goto-body)
2120 (let ((inhibit-read-only t)
2123 (if (not (setq replace (if (featurep 'xemacs)
2124 (get-char-table (following-char) table)
2125 (aref table (following-char)))))
2128 (setq props (text-properties-at (point)))
2130 (add-text-properties (point) (progn (insert replace) (point))
2132 (insert replace)))))))))
2134 (defun article-translate-characters (from to)
2135 "Translate all characters in the body of the article according to FROM and TO.
2136 FROM is a string of characters to translate from; to is a string of
2137 characters to translate to."
2139 (when (article-goto-body)
2140 (let ((inhibit-read-only t)
2141 (x (make-string 225 ?x))
2143 (while (< (incf i) (length x))
2146 (while (< i (length from))
2147 (aset x (aref from i) (aref to i))
2149 (translate-region (point) (point-max) x)))))
2151 (defun article-translate-strings (map)
2152 "Translate all string in the body of the article according to MAP.
2153 MAP is an alist where the elements are on the form (\"from\" \"to\")."
2155 (when (article-goto-body)
2156 (let ((inhibit-read-only t))
2158 (let ((from (car elem))
2162 (while (search-forward from nil t)
2165 (if (eq (following-char) from)
2169 (forward-char 1)))))))))))
2171 (defun article-treat-overstrike ()
2172 "Translate overstrikes into bold text."
2175 (when (article-goto-body)
2176 (let ((inhibit-read-only t))
2177 (while (search-forward "\b" nil t)
2178 (let ((next (char-after))
2179 (previous (char-after (- (point) 2))))
2180 ;; We do the boldification/underlining by hiding the
2181 ;; overstrikes and putting the proper text property
2185 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2186 (put-text-property (point) (1+ (point)) 'face 'bold))
2188 (gnus-article-hide-text-type
2189 (1- (point)) (1+ (point)) 'overstrike)
2191 (- (point) 2) (1- (point)) 'face 'underline))
2193 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2195 (point) (1+ (point)) 'face 'underline)))))))))
2197 (defun article-treat-ansi-sequences ()
2198 "Translate ANSI SGR control sequences into overlays or extents."
2201 (when (article-goto-body)
2202 (let ((inhibit-read-only t))
2203 (ansi-color-apply-on-region (point) (point-max))))))
2205 (defun gnus-article-treat-unfold-headers ()
2206 "Unfold folded message headers.
2207 Only the headers that fit into the current window width will be
2210 (gnus-with-article-headers
2214 (mail-header-narrow-to-field)
2215 (let* ((header (buffer-string))
2217 (or (equal gnus-article-unfold-long-headers t)
2218 (and (stringp gnus-article-unfold-long-headers)
2219 (string-match gnus-article-unfold-long-headers header)))))
2222 (goto-char (point-min))
2223 (while (re-search-forward "\n[\t ]" nil t)
2224 (replace-match " " t t)))
2225 (setq length (- (point-max) (point-min) 1))
2226 (when (or unfoldable
2227 (< length (window-width)))
2228 (while (re-search-forward "\n[\t ]" nil t)
2229 (replace-match " " t t))))
2230 (goto-char (point-max)))))))
2232 (defun gnus-article-treat-fold-headers ()
2233 "Fold message headers."
2235 (gnus-with-article-headers
2238 (mail-header-narrow-to-field)
2239 (mail-header-fold-field)
2240 (goto-char (point-max))))))
2242 (defun gnus-treat-smiley ()
2243 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2245 (gnus-with-article-buffer
2246 (if (memq 'smiley gnus-article-wash-types)
2247 (gnus-delete-images 'smiley)
2249 (let ((images (smiley-region (point) (point-max))))
2251 (gnus-add-wash-type 'smiley)
2252 (dolist (image images)
2253 (gnus-add-image 'smiley image)))))))
2255 (defun gnus-article-remove-images ()
2256 "Remove all images from the article buffer."
2258 (gnus-with-article-buffer
2261 (dolist (elem gnus-article-image-alist)
2262 (gnus-delete-images (car elem))))))
2264 (defun gnus-article-show-images ()
2265 "Show any images that are in the HTML-rendered article buffer.
2266 This only works if the article in question is HTML."
2268 (gnus-with-article-buffer
2271 (dolist (region (gnus-find-text-property-region (point-min) (point-max)
2273 (destructuring-bind (start end function) region
2274 (funcall function (get-text-property start 'image-url)
2277 (defun gnus-article-treat-fold-newsgroups ()
2278 "Unfold folded message headers.
2279 Only the headers that fit into the current window width will be
2282 (gnus-with-article-headers
2283 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2285 (mail-header-narrow-to-field)
2286 (while (re-search-forward ", *" nil t)
2287 (replace-match ", " t t))
2288 (mail-header-fold-field)
2289 (goto-char (point-max))))))
2291 (defcustom gnus-article-truncate-lines (default-value 'truncate-lines)
2292 "Value of `truncate-lines' in Gnus Article buffer.
2293 Valid values are nil, t, `head', `first', `last', an integer or a
2294 predicate. See Info node `(gnus)Customizing Articles'."
2295 :version "23.1" ;; No Gnus
2296 :group 'gnus-article
2297 ;; :link '(custom-manual "(gnus)Customizing Articles")
2300 (defun gnus-article-toggle-truncate-lines (&optional arg)
2301 "Toggle whether to fold or truncate long lines in article the buffer.
2302 If ARG is non-nil and not a number, toggle
2303 `gnus-article-truncate-lines' too. If ARG is a number, truncate
2304 long lines if and only if arg is positive."
2307 ((and (numberp arg) (> arg 0))
2308 (setq gnus-article-truncate-lines t))
2310 (setq gnus-article-truncate-lines nil))
2312 (setq gnus-article-truncate-lines
2313 (not gnus-article-truncate-lines))))
2314 (gnus-with-article-buffer
2316 ((and (numberp arg) (> arg 0))
2317 (setq truncate-lines nil))
2319 (setq truncate-lines t)))
2320 ;; In versions of Emacs 22 (CVS) before 2006-05-26,
2321 ;; `toggle-truncate-lines' needs an argument.
2322 (toggle-truncate-lines)))
2324 (defun gnus-article-treat-body-boundary ()
2325 "Place a boundary line at the end of the headers."
2327 (when (and gnus-body-boundary-delimiter
2328 (> (length gnus-body-boundary-delimiter) 0))
2329 (gnus-with-article-headers
2330 (goto-char (point-max))
2331 (let ((start (point)))
2332 (insert "X-Boundary: ")
2333 (gnus-add-text-properties start (point) '(invisible t intangible t))
2335 (while (>= (window-width) (length str))
2336 (setq str (concat str gnus-body-boundary-delimiter)))
2337 (substring str 0 (window-width)))
2339 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2341 (defun article-fill-long-lines ()
2342 "Fill lines that are wider than the window width."
2345 (let ((inhibit-read-only t)
2346 (width (window-width (get-buffer-window (current-buffer)))))
2349 (let ((adaptive-fill-mode nil)) ;Why? -sm
2352 (when (>= (current-column) (min fill-column width))
2353 (narrow-to-region (min (1+ (point)) (point-max))
2355 (let ((goback (point-marker)))
2356 (fill-paragraph nil)
2357 (goto-char (marker-position goback)))
2359 (forward-line 1)))))))
2361 (defun article-capitalize-sentences ()
2362 "Capitalize the first word in each sentence."
2365 (let ((inhibit-read-only t)
2366 (paragraph-start "^[\n\^L]"))
2370 (forward-sentence)))))
2372 (defun article-remove-cr ()
2373 "Remove trailing CRs and then translate remaining CRs into LFs."
2376 (let ((inhibit-read-only t))
2377 (goto-char (point-min))
2378 (while (re-search-forward "\r+$" nil t)
2379 (replace-match "" t t))
2380 (goto-char (point-min))
2381 (while (search-forward "\r" nil t)
2382 (replace-match "\n" t t)))))
2384 (defun article-remove-trailing-blank-lines ()
2385 "Remove all trailing blank lines from the article."
2388 (let ((inhibit-read-only t))
2389 (goto-char (point-max))
2393 (while (and (not (bobp))
2394 (looking-at "^[ \t]*$")
2395 (not (gnus-annotation-in-region-p
2396 (point) (point-at-eol))))
2401 (defvar gnus-face-properties-alist)
2403 (defun article-display-face (&optional force)
2404 "Display any Face headers in the header."
2405 (interactive (list 'force))
2406 (let ((wash-face-p buffer-read-only))
2407 (gnus-with-article-headers
2408 ;; When displaying parts, this function can be called several times on
2409 ;; the same article, without any intended toggle semantic (as typing `W
2410 ;; D d' would have). So face deletion must occur only when we come from
2411 ;; an interactive command, that is when the *Article* buffer is
2413 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2414 (gnus-delete-images 'face)
2415 (let ((from (message-fetch-field "from"))
2417 (save-current-buffer
2418 (when (and wash-face-p
2419 (gnus-buffer-live-p gnus-original-article-buffer)
2420 (not (re-search-forward "^Face:[\t ]*" nil t)))
2421 (set-buffer gnus-original-article-buffer))
2423 (mail-narrow-to-head)
2425 ;; Check whether this face is censored.
2426 (not (and gnus-article-x-face-too-ugly
2428 (setq from (message-fetch-field "from")))
2429 (string-match gnus-article-x-face-too-ugly
2431 (while (gnus-article-goto-header "Face")
2432 (push (mail-header-field-value) faces)))))
2434 (goto-char (point-min))
2436 (unless (setq from (gnus-article-goto-header "from"))
2439 (insert " [no `from' set]\n"))
2441 (when (setq png (gnus-convert-face-to-png (pop faces)))
2443 (apply 'gnus-create-image png 'png t
2444 (cdr (assq 'png gnus-face-properties-alist))))
2446 (gnus-add-wash-type 'face)
2447 (gnus-add-image 'face image)
2448 (gnus-put-image image nil 'face))))))))))
2450 (defun article-display-x-face (&optional force)
2451 "Look for an X-Face header and display it if present."
2452 (interactive (list 'force))
2453 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2454 (gnus-with-article-headers
2455 ;; Delete the old process, if any.
2456 (when (process-status "article-x-face")
2457 (delete-process "article-x-face"))
2458 ;; See the comment in `article-display-face'.
2459 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2460 ;; We have already displayed X-Faces, so we remove them
2462 (gnus-delete-images 'xface)
2464 (let ((from (message-fetch-field "from"))
2466 (save-current-buffer
2467 (when (and wash-face-p
2468 (gnus-buffer-live-p gnus-original-article-buffer)
2469 (not (re-search-forward "^X-Face:[\t ]*" nil t)))
2470 ;; If type `W f', use gnus-original-article-buffer,
2471 ;; otherwise use the current buffer because displaying
2472 ;; RFC822 parts calls this function too.
2473 (set-buffer gnus-original-article-buffer))
2475 (mail-narrow-to-head)
2476 (and gnus-article-x-face-command
2478 ;; Check whether this face is censored.
2479 (not (and gnus-article-x-face-too-ugly
2481 (setq from (message-fetch-field "from")))
2482 (string-match gnus-article-x-face-too-ugly
2484 (while (gnus-article-goto-header "X-Face")
2485 (push (mail-header-field-value) x-faces)))))
2487 ;; We display the face.
2488 (cond ((functionp gnus-article-x-face-command)
2489 ;; The command is a lisp function, so we call it.
2490 (mapc gnus-article-x-face-command x-faces))
2491 ((stringp gnus-article-x-face-command)
2492 ;; The command is a string, so we interpret the command
2493 ;; as a, well, command, and fork it off.
2494 (let ((process-connection-type nil))
2495 (gnus-set-process-query-on-exit-flag
2497 "article-x-face" nil shell-file-name
2498 shell-command-switch gnus-article-x-face-command)
2500 ;; Sending multiple EOFs to xv doesn't work,
2501 ;; so we only do a single external face.
2503 (insert (car x-faces))
2504 (process-send-region "article-x-face"
2505 (point-min) (point-max)))
2506 (process-send-eof "article-x-face")))
2508 (error "`%s' set to `%s' is not a function"
2509 gnus-article-x-face-command
2510 'gnus-article-x-face-command)))))))))
2512 (defun article-decode-mime-words ()
2513 "Decode all MIME-encoded words in the article."
2515 (gnus-with-article-buffer
2516 (let ((inhibit-point-motion-hooks t)
2517 (mail-parse-charset gnus-newsgroup-charset)
2518 (mail-parse-ignored-charsets
2519 (with-current-buffer gnus-summary-buffer
2520 gnus-newsgroup-ignored-charsets)))
2521 (mail-decode-encoded-word-region (point-min) (point-max)))))
2523 (defun article-decode-charset (&optional prompt)
2524 "Decode charset-encoded text in the article.
2525 If PROMPT (the prefix), prompt for a coding system to use."
2527 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2528 (inhibit-read-only t)
2529 (mail-parse-charset gnus-newsgroup-charset)
2530 (mail-parse-ignored-charsets
2531 (save-excursion (condition-case nil
2532 (set-buffer gnus-summary-buffer)
2534 gnus-newsgroup-ignored-charsets))
2535 ct cte ctl charset format)
2538 (article-narrow-to-head)
2539 (setq ct (message-fetch-field "Content-Type" t)
2540 cte (message-fetch-field "Content-Transfer-Encoding" t)
2541 ctl (and ct (mail-header-parse-content-type ct))
2544 (mm-read-coding-system "Charset to decode: "))
2546 (mail-content-type-get ctl 'charset)))
2547 format (and ctl (mail-content-type-get ctl 'format)))
2549 (setq cte (mail-header-strip cte)))
2550 (if (and ctl (not (string-match "/" (car ctl))))
2552 (goto-char (point-max)))
2555 (narrow-to-region (point) (point-max))
2556 (when (and (eq mail-parse-charset 'gnus-decoded)
2557 (eq (mm-body-7-or-8) '8bit))
2558 ;; The text code could have been decoded.
2559 (setq charset mail-parse-charset))
2560 (when (and (or (not ctl)
2561 (equal (car ctl) "text/plain"))
2562 (not format)) ;; article with format will decode later.
2564 charset (and cte (intern (downcase
2565 (gnus-strip-whitespace cte))))
2568 (defun article-decode-encoded-words ()
2569 "Remove encoded-word encoding from headers."
2570 (let ((inhibit-point-motion-hooks t)
2571 (mail-parse-charset gnus-newsgroup-charset)
2572 (mail-parse-ignored-charsets
2573 (save-excursion (condition-case nil
2574 (set-buffer gnus-summary-buffer)
2576 gnus-newsgroup-ignored-charsets))
2577 (inhibit-read-only t)
2579 (goto-char (point-min))
2580 (when (search-forward "\n\n" nil 'move)
2587 (memq (char-after) '(?\t ? )))))
2588 (setq start (point))
2590 \\(?:Resent-\\)?\\(?:From\\|Cc\\|To\\|Bcc\\|\\(?:In-\\)?Reply-To\\|Sender\
2591 \\|Mail-Followup-To\\|Mail-Copies-To\\|Approved\\):")
2592 (funcall gnus-decode-address-function start end)
2593 (funcall gnus-decode-header-function start end))
2594 (goto-char (setq end start)))))
2596 (defun article-decode-group-name ()
2597 "Decode group names in Newsgroups, Followup-To and Xref headers."
2598 (let ((inhibit-point-motion-hooks t)
2599 (inhibit-read-only t)
2600 (method (gnus-find-method-for-group gnus-newsgroup-name))
2602 (when (and (or gnus-group-name-charset-method-alist
2603 gnus-group-name-charset-group-alist)
2604 (gnus-buffer-live-p gnus-original-article-buffer))
2606 (article-narrow-to-head)
2607 (dolist (header '("Newsgroups" "Followup-To" "Xref"))
2608 (with-current-buffer gnus-original-article-buffer
2609 (goto-char (point-min)))
2610 (setq regexp (concat "^" header
2611 ":\\([^\n]*\\(?:\n[\t ]+[^\n]+\\)*\\)\n"))
2612 (while (re-search-forward regexp nil t)
2613 (replace-match (save-match-data
2614 (gnus-decode-newsgroups
2615 ;; XXX how to use data in article buffer?
2616 (with-current-buffer gnus-original-article-buffer
2617 (re-search-forward regexp nil t)
2619 gnus-newsgroup-name method))
2621 (goto-char (point-min)))))))
2623 (autoload 'idna-to-unicode "idna")
2625 (defun article-decode-idna-rhs ()
2626 "Decode IDNA strings in RHS in various headers in current buffer.
2627 The following headers are decoded: From:, To:, Cc:, Reply-To:,
2628 Mail-Reply-To: and Mail-Followup-To:."
2631 (let ((inhibit-point-motion-hooks t)
2632 (inhibit-read-only t))
2633 (article-narrow-to-head)
2634 (goto-char (point-min))
2635 (while (re-search-forward "@[^ \t\n\r,>]*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2637 (when (save-match-data
2638 (and (setq ace (match-string 1))
2640 (and (re-search-backward "^[^ \t]" nil t)
2641 (looking-at "From\\|To\\|Cc\\|Reply-To\\|Mail-Reply-To\\|Mail-Followup-To")))
2642 (setq unicode (idna-to-unicode ace))))
2643 (unless (string= ace unicode)
2644 (replace-match unicode nil nil nil 1)))))))))
2646 (defun article-de-quoted-unreadable (&optional force read-charset)
2647 "Translate a quoted-printable-encoded article.
2648 If FORCE, decode the article whether it is marked as quoted-printable
2650 If READ-CHARSET, ask for a coding system."
2651 (interactive (list 'force current-prefix-arg))
2653 (let ((inhibit-read-only t) type charset)
2654 (if (gnus-buffer-live-p gnus-original-article-buffer)
2655 (with-current-buffer gnus-original-article-buffer
2657 (gnus-fetch-field "content-transfer-encoding"))
2658 (let* ((ct (gnus-fetch-field "content-type"))
2659 (ctl (and ct (mail-header-parse-content-type ct))))
2660 (setq charset (and ctl
2661 (mail-content-type-get ctl 'charset)))
2662 (if (stringp charset)
2663 (setq charset (intern (downcase charset)))))))
2665 (setq charset (mm-read-coding-system "Charset: " charset)))
2667 (setq charset gnus-newsgroup-charset))
2669 (and type (let ((case-fold-search t))
2670 (string-match "quoted-printable" type))))
2672 (quoted-printable-decode-region
2673 (point) (point-max) (mm-charset-to-coding-system charset))))))
2675 (defun article-de-base64-unreadable (&optional force read-charset)
2676 "Translate a base64 article.
2677 If FORCE, decode the article whether it is marked as base64 not.
2678 If READ-CHARSET, ask for a coding system."
2679 (interactive (list 'force current-prefix-arg))
2681 (let ((inhibit-read-only t) type charset)
2682 (if (gnus-buffer-live-p gnus-original-article-buffer)
2683 (with-current-buffer gnus-original-article-buffer
2685 (gnus-fetch-field "content-transfer-encoding"))
2686 (let* ((ct (gnus-fetch-field "content-type"))
2687 (ctl (and ct (mail-header-parse-content-type ct))))
2688 (setq charset (and ctl
2689 (mail-content-type-get ctl 'charset)))
2690 (if (stringp charset)
2691 (setq charset (intern (downcase charset)))))))
2693 (setq charset (mm-read-coding-system "Charset: " charset)))
2695 (setq charset gnus-newsgroup-charset))
2697 (and type (let ((case-fold-search t))
2698 (string-match "base64" type))))
2701 (narrow-to-region (point) (point-max))
2702 (base64-decode-region (point-min) (point-max))
2703 (mm-decode-coding-region
2704 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2709 (defun article-decode-HZ ()
2710 "Translate a HZ-encoded article."
2714 (let ((inhibit-read-only t))
2715 (rfc1843-decode-region (point-min) (point-max)))))
2717 (defun article-unsplit-urls ()
2718 "Remove the newlines that some other mailers insert into URLs."
2721 (let ((inhibit-read-only t))
2722 (goto-char (point-min))
2723 (while (re-search-forward
2724 "\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2725 (replace-match "\\1\\3" t)))
2726 (when (interactive-p)
2727 (gnus-treat-article nil))))
2729 (defun article-wash-html ()
2730 "Format an HTML article."
2733 (buffer-read-only nil))
2734 (when (gnus-buffer-live-p gnus-original-article-buffer)
2735 (setq handles (mm-dissect-buffer t t)))
2737 (delete-region (point) (point-max))
2738 (mm-inline-text-html handles)))
2740 (defvar gnus-article-browse-html-temp-list nil
2741 "List of temporary files created by `gnus-article-browse-html-parts'.
2742 Internal variable.")
2744 (defcustom gnus-article-browse-delete-temp 'ask
2745 "What to do with temporary files from `gnus-article-browse-html-parts'.
2746 If nil, don't delete temporary files. If it is t, delete them on
2747 exit from the summary buffer. If it is the symbol `file', query
2748 on each file, if it is `ask' ask once when exiting from the
2750 :group 'gnus-article
2751 :version "23.1" ;; No Gnus
2752 :type '(choice (const :tag "Don't delete" nil)
2753 (const :tag "Don't ask" t)
2754 (const :tag "Ask" ask)
2755 (const :tag "Ask for each file" file)))
2757 ;; Cf. mm-postponed-undisplay-list / mm-destroy-postponed-undisplay-list.
2759 (defun gnus-article-browse-delete-temp-files (&optional how)
2760 "Delete temp-files created by `gnus-article-browse-html-parts'."
2761 (when (and gnus-article-browse-html-temp-list
2763 (or how (setq how gnus-article-browse-delete-temp))
2765 (let ((files (length gnus-article-browse-html-temp-list)))
2766 (gnus-y-or-n-p (format
2767 "Delete all %s temporary HTML file%s? "
2769 (if (> files 1) "s" ""))))
2771 (dolist (file gnus-article-browse-html-temp-list)
2772 (cond ((file-directory-p file)
2773 (when (or (not (eq how 'file))
2776 "Delete temporary HTML file(s) in directory `%s'? "
2777 (file-name-as-directory file))))
2778 (gnus-delete-directory file)))
2779 ((file-exists-p file)
2780 (when (or (not (eq how 'file))
2782 (format "Delete temporary HTML file `%s'? " file)))
2783 (delete-file file)))))
2784 ;; Also remove file from the list when not deleted or if file doesn't
2786 (setq gnus-article-browse-html-temp-list nil))
2787 gnus-article-browse-html-temp-list)
2789 (defun gnus-article-browse-html-save-cid-content (cid handles directory)
2790 "Find CID content in HANDLES and save it in a file in DIRECTORY.
2795 (dolist (handle handles)
2797 ((not (listp handle)))
2798 ((equal (mm-handle-media-supertype handle) "multipart")
2799 (when (setq file (gnus-article-browse-html-save-cid-content
2800 cid handle directory))
2801 (throw 'found file)))
2802 ((equal (concat "<" cid ">") (mm-handle-id handle))
2805 (or (mail-content-type-get
2806 (mm-handle-disposition handle) 'filename)
2807 (mail-content-type-get
2808 (setq type (mm-handle-type handle)) 'name)
2810 (make-temp-name "cid")
2811 (car (rassoc (car type) mailcap-mime-extensions))))
2813 (mm-save-part-to-file handle file)
2814 (throw 'found file))))))))
2816 (defun gnus-article-browse-html-parts (list &optional header)
2817 "View all \"text/html\" parts from LIST.
2818 Recurse into multiparts. The optional HEADER that should be a decoded
2819 message header will be added to the bodies of the \"text/html\" parts."
2820 ;; Internal function used by `gnus-article-browse-html-article'.
2821 (let (type file charset content cid-dir tmp-file showed)
2822 ;; Find and show the html-parts.
2823 (dolist (handle list)
2824 ;; If HTML, show it:
2825 (cond ((not (listp handle)))
2826 ((or (equal (car (setq type (mm-handle-type handle))) "text/html")
2827 (and (equal (car type) "message/external-body")
2829 (setq file (or (mail-content-type-get type 'name)
2830 (mail-content-type-get
2831 (mm-handle-disposition handle)
2833 (or (mm-handle-cache handle)
2834 (condition-case code
2835 (progn (mm-extern-cache-contents handle) t)
2837 (gnus-message 3 "%s" (error-message-string code))
2838 (when (>= gnus-verbose 3) (sit-for 2))
2841 (setq handle (mm-handle-cache handle)
2842 type (mm-handle-type handle))
2843 (equal (car type) "text/html"))))
2844 (setq charset (mail-content-type-get type 'charset)
2845 content (mm-get-part handle))
2847 (if (eq charset 'gnus-decoded)
2848 (mm-enable-multibyte)
2849 (mm-disable-multibyte))
2851 ;; resolve cid contents
2852 (let ((case-fold-search t)
2854 (goto-char (point-min))
2855 (while (re-search-forward "\
2856 <img[\t\n ]+\\(?:[^\t\n >]+[\t\n ]+\\)*src=\"\\(cid:\\([^\"]+\\)\\)\""
2859 (setq cid-dir (mm-make-temp-file "cid" t))
2860 (add-to-list 'gnus-article-browse-html-temp-list cid-dir))
2863 (when (setq cid-file
2864 (gnus-article-browse-html-save-cid-content
2866 (with-current-buffer gnus-article-buffer
2867 gnus-article-mime-handles)
2869 (replace-match (concat "file://" cid-file)
2871 (unless content (setq content (buffer-string))))
2872 (when (or charset header (not file))
2873 (setq tmp-file (mm-make-temp-file
2874 ;; Do we need to care for 8.3 filenames?
2875 "mm-" nil ".html")))
2876 ;; Add a meta html tag to specify charset and a header.
2879 (let (title eheader body hcharset coding force-charset)
2881 (mm-enable-multibyte)
2882 (setq case-fold-search t)
2883 (insert header "\n")
2884 (setq title (message-fetch-field "subject"))
2885 (goto-char (point-min))
2886 (while (re-search-forward "\\(<\\)\\|\\(>\\)\\|&" nil t)
2887 (replace-match (cond ((match-beginning 1) "<")
2888 ((match-beginning 2) ">")
2890 (goto-char (point-min))
2892 (goto-char (point-max))
2893 (insert "</pre>\n<hr>\n")
2894 ;; We have to examine charset one by one since
2895 ;; charset specified in parts might be different.
2896 (if (eq charset 'gnus-decoded)
2897 (setq charset 'utf-8
2898 eheader (mm-encode-coding-string (buffer-string)
2901 (mm-encode-coding-string title charset))
2902 body (mm-encode-coding-string content charset)
2904 (setq hcharset (mm-find-mime-charset-region (point-min)
2906 (cond ((= (length hcharset) 1)
2907 (setq hcharset (car hcharset)
2908 coding (mm-charset-to-coding-system
2910 ((> (length hcharset) 1)
2911 (setq hcharset 'utf-8
2917 (mm-charset-to-coding-system charset))
2918 (if (eq coding body)
2919 (setq eheader (mm-encode-coding-string
2920 (buffer-string) coding)
2922 (mm-encode-coding-string
2925 (setq charset 'utf-8
2926 eheader (mm-encode-coding-string
2927 (buffer-string) charset)
2929 (mm-encode-coding-string
2931 body (mm-encode-coding-string
2932 (mm-decode-coding-string
2936 (setq charset hcharset
2937 eheader (mm-encode-coding-string
2938 (buffer-string) coding)
2940 (mm-encode-coding-string
2943 (setq eheader (mm-string-as-unibyte (buffer-string))
2946 (mm-disable-multibyte)
2949 (mm-add-meta-html-tag handle charset force-charset))
2951 (goto-char (point-min))
2952 (unless (search-forward "<title>" nil t)
2953 (re-search-forward "<head>\\s-*" nil t)
2954 (insert "<title>" title "</title>\n")))
2955 (goto-char (point-min))
2956 (or (re-search-forward
2957 "<body\\(?:\\s-+[^>]+\\|\\s-*\\)>\\s-*" nil t)
2959 "</head\\(?:\\s-+[^>]+\\|\\s-*\\)>\\s-*" nil t))
2961 (mm-write-region (point-min) (point-max)
2962 tmp-file nil nil nil 'binary t))))
2964 (mm-with-unibyte-buffer
2965 (insert (if (eq charset 'gnus-decoded)
2966 (mm-encode-coding-string content
2967 (setq charset 'utf-8))
2969 (if (or (mm-add-meta-html-tag handle charset)
2971 (mm-write-region (point-min) (point-max)
2972 tmp-file nil nil nil 'binary t)
2973 (setq tmp-file nil))))
2975 (mm-save-part-to-file handle tmp-file)))
2977 (add-to-list 'gnus-article-browse-html-temp-list tmp-file))
2978 (add-hook 'gnus-summary-prepare-exit-hook
2979 'gnus-article-browse-delete-temp-files)
2980 (add-hook 'gnus-exit-gnus-hook
2982 (gnus-article-browse-delete-temp-files t)))
2983 ;; FIXME: Warn if there's an <img> tag?
2984 (browse-url-of-file (or tmp-file (expand-file-name file)))
2986 ;; If multipart, recurse
2987 ((equal (mm-handle-media-supertype handle) "multipart")
2988 (when (gnus-article-browse-html-parts handle header)
2990 ((equal (mm-handle-media-type handle) "message/rfc822")
2991 (mm-with-multibyte-buffer
2992 (mm-insert-part handle)
2993 (setq handle (mm-dissect-buffer t t))
2994 (when (and (bufferp (car handle))
2995 (stringp (car (mm-handle-type handle))))
2996 (setq handle (list handle)))
2998 (article-decode-encoded-words)
2999 (let ((gnus-visible-headers
3000 (or (get 'gnus-visible-headers 'standard-value)
3001 gnus-visible-headers)))
3002 (article-hide-headers))
3003 (goto-char (point-min))
3004 (search-forward "\n\n" nil 'move)
3005 (skip-chars-backward "\t\n ")
3006 (setq header (buffer-substring (point-min) (point)))))
3008 (gnus-article-browse-html-parts handle header)
3009 (mm-destroy-parts handle))
3013 (defun gnus-article-browse-html-article (&optional arg)
3014 "View \"text/html\" parts of the current article with a WWW browser.
3015 Inline images embedded in a message using the cid scheme, as they are
3016 generally considered to be safe, will be processed properly.
3017 The message header is added to the beginning of every html part unless
3018 the prefix argument ARG is given.
3020 Warning: Spammers use links to images (using the http scheme) in HTML
3021 articles to verify whether you have read the message. As
3022 `gnus-article-browse-html-article' passes the HTML content to the
3023 browser without eliminating these \"web bugs\" you should only
3024 use it for mails from trusted senders.
3026 If you always want to display HTML parts in the browser, set
3027 `mm-text-html-renderer' to nil.
3029 This command creates temporary files to pass HTML contents including
3030 images if any to the browser, and deletes them when exiting the group
3032 ;; Cf. `mm-w3m-safe-url-regexp'
3035 (gnus-summary-show-article)
3036 (let ((gnus-visible-headers (or (get 'gnus-visible-headers 'standard-value)
3037 gnus-visible-headers))
3038 ;; As we insert a <hr>, there's no need for the body boundary.
3039 (gnus-treat-body-boundary nil))
3040 (gnus-summary-show-article)))
3041 (with-current-buffer gnus-article-buffer
3042 (let ((header (unless arg
3045 (buffer-substring-no-properties
3046 (goto-char (point-min))
3047 (if (search-forward "\n\n" nil t)
3049 (goto-char (point-max))
3050 (skip-chars-backward "\t\n ")
3053 (set-buffer gnus-original-article-buffer)
3054 (setq parts (mm-dissect-buffer t t))
3055 ;; If singlepart, enforce a list.
3056 (when (and (bufferp (car parts))
3057 (stringp (car (mm-handle-type parts))))
3058 (setq parts (list parts)))
3060 (unless (gnus-article-browse-html-parts parts header)
3061 (gnus-error 3 "Mail doesn't contain a \"text/html\" part!"))
3062 (mm-destroy-parts parts)
3064 (gnus-summary-show-article)))))
3066 (defun article-hide-list-identifiers ()
3067 "Remove list identifies from the Subject header.
3068 The `gnus-list-identifiers' variable specifies what to do."
3070 (let ((inhibit-point-motion-hooks t)
3071 (regexp (if (consp gnus-list-identifiers)
3072 (mapconcat 'identity gnus-list-identifiers " *\\|")
3073 gnus-list-identifiers))
3074 (inhibit-read-only t))
3078 (article-narrow-to-head)
3079 (goto-char (point-min))
3080 (while (re-search-forward
3081 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
3083 (delete-region (match-beginning 2) (match-end 0))
3084 (beginning-of-line))
3085 (when (re-search-forward
3086 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
3087 (delete-region (match-beginning 1) (match-end 1))))))))
3089 (defun article-hide-pem (&optional arg)
3090 "Toggle hiding of any PEM headers and signatures in the current article.
3091 If given a negative prefix, always show; if given a positive prefix,
3093 (interactive (gnus-article-hidden-arg))
3094 (unless (gnus-article-check-hidden-text 'pem arg)
3096 (let ((inhibit-read-only t) end)
3097 (goto-char (point-min))
3098 ;; Hide the horrendously ugly "header".
3099 (when (and (search-forward
3100 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
3102 (setq end (1+ (match-beginning 0))))
3103 (gnus-add-wash-type 'pem)
3104 (gnus-article-hide-text-type
3106 (if (search-forward "\n\n" nil t)
3110 ;; Hide the trailer as well
3111 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
3113 (gnus-article-hide-text-type
3114 (match-beginning 0) (match-end 0) 'pem)))))))
3116 (defun article-strip-banner ()
3117 "Strip the banners specified by the `banner' group parameter and by
3118 `gnus-article-address-banner-alist'."
3122 (let ((inhibit-point-motion-hooks t))
3123 (when (gnus-parameter-banner gnus-newsgroup-name)
3124 (article-really-strip-banner
3125 (gnus-parameter-banner gnus-newsgroup-name)))
3126 (when gnus-article-address-banner-alist
3127 ;; Note that the From header is decoded here, so it is
3128 ;; required that the *-extract-address-components function
3129 ;; supports non-ASCII text.
3130 (let ((from (save-restriction
3132 (article-narrow-to-head)
3133 (mail-fetch-field "from"))))
3136 (cadr (funcall gnus-extract-address-components
3139 (dolist (pair gnus-article-address-banner-alist)
3140 (when (string-match (car pair) from)
3142 (article-really-strip-banner (cdr pair)))))))))))))
3144 (defun article-really-strip-banner (banner)
3145 "Strip the banner specified by the argument."
3148 (let ((inhibit-point-motion-hooks t)
3149 (gnus-signature-limit nil)
3150 (inhibit-read-only t))
3153 ((eq banner 'signature)
3154 (when (gnus-article-narrow-to-signature)
3157 (delete-region (point) (point-max))))
3159 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
3160 (while (re-search-forward banner nil t)
3161 (delete-region (match-beginning 0) (match-end 0)))))
3163 (while (re-search-forward banner nil t)
3164 (delete-region (match-beginning 0) (match-end 0)))))))))
3166 (defun article-babel ()
3167 "Translate article using an online translation service."
3170 (gnus-with-article-buffer
3171 (when (article-goto-body)
3172 (let* ((start (point))
3174 (orig (buffer-substring start end))
3175 (trans (babel-as-string orig)))
3177 (narrow-to-region start end)
3178 (delete-region start end)
3181 (defun article-hide-signature (&optional arg)
3182 "Hide the signature in the current article.
3183 If given a negative prefix, always show; if given a positive prefix,
3185 (interactive (gnus-article-hidden-arg))
3186 (unless (gnus-article-check-hidden-text 'signature arg)
3189 (let ((inhibit-read-only t))
3190 (when (gnus-article-narrow-to-signature)
3191 (gnus-article-hide-text-type
3192 (point-min) (point-max) 'signature))))))
3193 (gnus-set-mode-line 'article))
3195 (defun article-strip-headers-in-body ()
3196 "Strip offensive headers from bodies."
3200 (let ((case-fold-search t))
3201 (when (looking-at "x-no-archive:")
3202 (gnus-delete-line)))))
3204 (defun article-strip-leading-blank-lines ()
3205 "Remove all blank lines from the beginning of the article."
3208 (let ((inhibit-point-motion-hooks t)
3209 (inhibit-read-only t))
3210 (when (article-goto-body)
3211 (while (and (not (eobp))
3212 (looking-at "[ \t]*$"))
3213 (gnus-delete-line))))))
3215 (defun article-narrow-to-head ()
3216 "Narrow the buffer to the head of the message.
3217 Point is left at the beginning of the narrowed-to region."
3219 (goto-char (point-min))
3220 (if (search-forward "\n\n" nil 1)
3223 (goto-char (point-min)))
3225 (defun article-goto-body ()
3226 "Place point at the start of the body."
3227 (goto-char (point-min))
3229 ;; This variable is only bound when dealing with separate
3231 (article-goto-body-goes-to-point-min-p
3233 ((search-forward "\n\n" nil t)
3236 (goto-char (point-max))
3239 (defun article-strip-multiple-blank-lines ()
3240 "Replace consecutive blank lines with one empty line."
3243 (let ((inhibit-point-motion-hooks t)
3244 (inhibit-read-only t))
3245 ;; First make all blank lines empty.
3247 (while (re-search-forward "^[ \t]+$" nil t)
3248 (unless (gnus-annotation-in-region-p
3249 (match-beginning 0) (match-end 0))
3250 (replace-match "" nil t)))
3251 ;; Then replace multiple empty lines with a single empty line.
3253 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
3254 (unless (gnus-annotation-in-region-p
3255 (match-beginning 0) (match-end 0))
3256 (delete-region (match-beginning 1) (match-end 1)))))))
3258 (defun article-strip-leading-space ()
3259 "Remove all white space from the beginning of the lines in the article."
3262 (let ((inhibit-point-motion-hooks t)
3263 (inhibit-read-only t))
3265 (while (re-search-forward "^[ \t]+" nil t)
3266 (replace-match "" t t)))))
3268 (defun article-strip-trailing-space ()
3269 "Remove all white space from the end of the lines in the article."
3272 (let ((inhibit-point-motion-hooks t)
3273 (inhibit-read-only t))
3275 (while (re-search-forward "[ \t]+$" nil t)
3276 (replace-match "" t t)))))
3278 (defun article-strip-blank-lines ()
3279 "Strip leading, trailing and multiple blank lines."
3281 (article-strip-leading-blank-lines)
3282 (article-remove-trailing-blank-lines)
3283 (article-strip-multiple-blank-lines))
3285 (defun article-strip-all-blank-lines ()
3286 "Strip all blank lines."
3289 (let ((inhibit-point-motion-hooks t)
3290 (inhibit-read-only t))
3292 (while (re-search-forward "^[ \t]*\n" nil t)
3293 (replace-match "" t t)))))
3295 (defun gnus-article-narrow-to-signature ()
3296 "Narrow to the signature; return t if a signature is found, else nil."
3297 (let ((inhibit-point-motion-hooks t))
3298 (when (gnus-article-search-signature)
3300 ;; Check whether we have some limits to what we consider
3301 ;; to be a signature.
3302 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
3303 (list gnus-signature-limit)))
3305 (while (setq limit (pop limits))
3306 (if (or (and (integerp limit)
3307 (< (- (point-max) (point)) limit))
3309 (< (count-lines (point) (point-max)) limit))
3310 (and (functionp limit)
3312 (and (stringp limit)
3313 (not (re-search-forward limit nil t))))
3314 () ; This limit did not succeed.
3318 (narrow-to-region (point) (point-max))
3321 (defun gnus-article-search-signature ()
3322 "Search the current buffer for the signature separator.
3323 Put point at the beginning of the signature separator."
3324 (let ((cur (point)))
3325 (goto-char (point-max))
3326 (if (if (stringp gnus-signature-separator)
3327 (re-search-backward gnus-signature-separator nil t)
3328 (let ((seps gnus-signature-separator))
3330 (not (re-search-backward (car seps) nil t)))
3337 (defun gnus-article-hidden-arg ()
3338 "Return the current prefix arg as a number, or 0 if no prefix."
3339 (list (if current-prefix-arg
3340 (prefix-numeric-value current-prefix-arg)
3343 (defun gnus-article-check-hidden-text (type arg)
3344 "Return nil if hiding is necessary.
3345 Arg can be nil or a number. nil and positive means hide, negative
3346 means show, 0 means toggle."
3349 (let ((hide (gnus-article-hidden-text-p type)))
3355 (gnus-article-show-hidden-text type)
3358 (if (eq hide 'hidden)
3360 (gnus-article-show-hidden-text type)
3364 (defun gnus-article-hidden-text-p (type)
3365 "Say whether the current buffer contains hidden text of type TYPE."
3366 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
3368 (not (get-text-property pos 'invisible))
3369 (not (get-text-property pos 'dummy-invisible)))
3371 (text-property-any (1+ pos) (point-max) 'article-type type)))
3376 (defun gnus-article-show-hidden-text (type &optional dummy)
3377 "Show all hidden text of type TYPE.
3378 Originally it is hide instead of DUMMY."
3379 (let ((inhibit-read-only t)
3380 (inhibit-point-motion-hooks t))
3381 (gnus-remove-text-properties-when
3383 (point-min) (point-max)
3384 (cons 'article-type (cons type
3385 gnus-hidden-properties)))
3386 (gnus-delete-wash-type type)))
3388 (defconst article-time-units
3389 `((year . ,(* 365.25 24 60 60))
3390 (week . ,(* 7 24 60 60))
3391 (day . ,(* 24 60 60))
3395 "Mapping from time units to seconds.")
3397 (defun gnus-article-forward-header ()
3398 "Move point to the start of the next header.
3399 If the current header is a continuation header, this can be several
3404 (if (looking-at "[ \t]+[^ \t]")
3408 (defun article-treat-date ()
3409 (article-date-ut gnus-article-date-headers t))
3411 (defun article-date-ut (&optional type highlight date-position)
3412 "Convert DATE date to TYPE in the current article.
3413 The default type is `ut'. See `gnus-article-date-headers' for
3415 (interactive (list 'ut t))
3416 (let* ((case-fold-search t)
3417 (inhibit-read-only t)
3418 (inhibit-point-motion-hooks t)
3420 pos date bface eface)
3424 (goto-char (point-min))
3425 (while (or (setq date (get-text-property (setq pos (point))
3427 (when (setq pos (next-single-property-change
3428 (point) 'original-date))
3429 (setq date (get-text-property pos 'original-date))
3432 pos (if (setq pos (text-property-any pos (point-max)
3433 'original-date nil))
3436 (if (or (bolp) (eobp))
3440 (goto-char (point-min))
3441 (when (re-search-forward "^Date:" nil t)
3442 (setq bface (get-text-property (point-at-bol) 'face)
3443 eface (get-text-property (1- (point-at-eol)) 'face)))
3444 (goto-char (point-min))
3445 ;; Delete any old Date headers.
3448 (goto-char date-position)
3449 (delete-region (point)
3451 (gnus-article-forward-header)
3453 (while (re-search-forward "^Date:" nil t)
3454 (delete-region (point-at-bol) (progn
3455 (gnus-article-forward-header)
3457 (dolist (this-type (cond
3464 (insert (article-make-date-line date (or this-type 'ut)) "\n")
3466 (put-text-property (line-beginning-position)
3467 (1+ (line-beginning-position))
3468 'gnus-date-type this-type)
3471 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
3472 (put-text-property (match-beginning 1) (1+ (match-end 1))
3474 (put-text-property (match-beginning 2) (match-end 2)
3476 (put-text-property (point-min) (1- (point-max)) 'original-date date)
3477 (goto-char (point-max))
3480 (defun article-make-date-line (date type)
3481 "Return a DATE line of TYPE."
3482 (unless (memq type '(local ut original user iso8601 lapsed english
3484 (error "Unknown conversion type: %s" type))
3486 (let ((time (date-to-time date)))
3488 ;; Convert to the local timezone.
3490 (concat "Date: " (message-make-date time)))
3491 ;; Convert to Universal Time.
3496 (let* ((e (parse-time-string date))
3497 (tm (apply 'encode-time e))
3499 (ls (- (cadr tm) (car (current-time-zone time)))))
3500 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
3501 ((> ls 65535) (list (1+ ms) (- ls 65536)))
3505 ;; Get the original date from the article.
3506 ((eq type 'original)
3507 (concat "Date: " (if (string-match "\n+$" date)
3508 (substring date 0 (match-beginning 0))
3510 ;; Let the user define the format.
3512 (let ((format (or (condition-case nil
3513 (with-current-buffer gnus-summary-buffer
3514 gnus-article-time-format)
3516 gnus-article-time-format)))
3517 (if (functionp format)
3518 (funcall format time)
3519 (concat "Date: " (format-time-string format time)))))
3522 (let ((tz (car (current-time-zone time))))
3525 (format-time-string "%Y%m%dT%H%M%S" time)
3526 (format "%s%02d%02d"
3527 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3528 (/ (% (abs tz) 3600) 60)))))
3529 ;; Do a lapsed format.
3531 (concat "Date: " (article-lapsed-string time)))
3532 ;; A combined date/lapsed format.
3533 ((eq type 'combined-lapsed)
3534 (let ((date-string (article-make-date-line date 'original))
3539 (concat " (" (article-lapsed-string time segments) ")"))
3540 (> (+ (length date-string)
3541 (length lapsed-string))
3544 (setq segments (1- segments)))
3546 (concat date-string lapsed-string)
3548 ;; Display the date in proper English
3550 (let ((dtime (decode-time time)))
3553 (number-to-string (nth 3 dtime))
3554 (let ((digit (% (nth 3 dtime) 10)))
3556 ((memq (nth 3 dtime) '(11 12 13)) "th")
3562 (nth (1- (nth 4 dtime)) gnus-english-month-names)
3564 (number-to-string (nth 5 dtime))
3566 (format "%02d" (nth 2 dtime))
3568 (format "%02d" (nth 1 dtime)))))))
3570 (format "Date: %s (from Gnus)" date))))
3572 (defun article-lapsed-string (time &optional max-segments)
3573 ;; If the date is seriously mangled, the timezone functions are
3574 ;; liable to bug out, so we ignore all errors.
3575 (let* ((now (current-time))
3576 (real-time (subtract-time now time))
3577 (real-sec (and real-time
3578 (+ (* (float (car real-time)) 65536)
3580 (sec (and real-time (abs real-sec)))
3583 (unless max-segments
3584 (setq max-segments (length article-time-units)))
3592 ;; This is a bit convoluted, but basically we go
3593 ;; through the time units for years, weeks, etc,
3594 ;; and divide things to see whether that results
3595 ;; in positive answers.
3598 (if (or (zerop (setq num (ffloor (/ sec (cdr unit)))))
3599 (>= segments max-segments))
3600 ;; The (remaining) seconds are too few to
3601 ;; be divided into this time unit.
3603 ;; It's big enough, so we output it.
3604 (setq sec (- sec (* num (cdr unit))))
3606 (concat (if prev ", " "") (int-to-string
3608 " " (symbol-name (car unit))
3609 (if (> num 1) "s" ""))
3611 segments (1+ segments)))))
3612 article-time-units "")
3613 ;; If dates are odd, then it might appear like the
3614 ;; article was sent in the future.
3617 " in the future"))))))
3619 (defun article-date-local (&optional highlight)
3620 "Convert the current article date to the local timezone."
3621 (interactive (list t))
3622 (article-date-ut 'local highlight))
3624 (defun article-date-english (&optional highlight)
3625 "Convert the current article date to something that is proper English."
3626 (interactive (list t))
3627 (article-date-ut 'english highlight))
3629 (defun article-date-original (&optional highlight)
3630 "Convert the current article date to what it was originally.
3631 This is only useful if you have used some other date conversion
3632 function and want to see what the date was before converting."
3633 (interactive (list t))
3634 (article-date-ut 'original highlight))
3636 (defun article-date-lapsed (&optional highlight)
3637 "Convert the current article date to time lapsed since it was sent."
3638 (interactive (list t))
3639 (article-date-ut 'lapsed highlight))
3641 (defun article-date-combined-lapsed (&optional highlight)
3642 "Convert the current article date to time lapsed since it was sent."
3643 (interactive (list t))
3644 (article-date-ut 'combined-lapsed highlight))
3646 (defun article-update-date-lapsed ()
3647 "Function to be run from a timer to update the lapsed time line."
3649 (let (deactivate-mark)
3650 (save-window-excursion
3654 (set-buffer (window-buffer w))
3655 (when (eq major-mode 'gnus-article-mode)
3656 (let ((old-line (count-lines (point-min) (point)))
3657 (old-column (current-column)))
3658 (goto-char (point-min))
3659 (while (re-search-forward "^Date:" nil t)
3660 (let ((type (get-text-property (match-beginning 0) 'gnus-date-type)))
3661 (when (memq type '(lapsed combined-lapsed user-format))
3663 (article-date-ut type t (match-beginning 0)))
3665 (goto-char (point-min))
3666 (when (> old-column 0)
3667 (setq old-line (1- old-line)))
3668 (forward-line old-line)
3670 (when (> (current-column) old-column)
3672 (forward-char old-column)))))
3675 (defun gnus-start-date-timer (&optional n)
3676 "Start a timer to update the Date headers in the article buffers.
3677 The numerical prefix says how frequently (in seconds) the function
3682 (gnus-stop-date-timer)
3683 (setq article-lapsed-timer
3684 (run-at-time 1 n 'article-update-date-lapsed)))
3686 (defun gnus-stop-date-timer ()
3687 "Stop the Date timer."
3689 (when article-lapsed-timer
3690 (nnheader-cancel-timer article-lapsed-timer)
3691 (setq article-lapsed-timer nil)))
3693 (defun article-date-user (&optional highlight)
3694 "Convert the current article date to the user-defined format.
3695 This format is defined by the `gnus-article-time-format' variable."
3696 (interactive (list t))
3697 (article-date-ut 'user highlight))
3699 (defun article-date-iso8601 (&optional highlight)
3700 "Convert the current article date to ISO8601."
3701 (interactive (list t))
3702 (article-date-ut 'iso8601 highlight))
3704 (defmacro gnus-article-save-original-date (&rest forms)
3705 "Save the original date as a text property and evaluate FORMS."
3706 `(let* ((case-fold-search t)
3708 (goto-char (point-min))
3709 (when (and (re-search-forward "^date:[\t\n ]+" nil t)
3712 (date (when (and start
3713 (re-search-forward "[\t ]*\n\\(?:[^\t ]\\|\\'\\)"
3715 (buffer-substring-no-properties start
3716 (match-beginning 0)))))
3717 (goto-char (point-max))
3718 (skip-chars-backward "\n")
3719 (put-text-property (point-min) (point) 'original-date date)
3721 (goto-char (point-max))
3722 (skip-chars-backward "\n")
3723 (put-text-property (point-min) (point) 'original-date date)))
3725 ;; (defun article-show-all ()
3726 ;; "Show all hidden text in the article buffer."
3729 ;; (let ((inhibit-read-only t))
3730 ;; (gnus-article-unhide-text (point-min) (point-max)))))
3732 (defun article-remove-leading-whitespace ()
3733 "Remove excessive whitespace from all headers."
3737 (let ((inhibit-read-only t))
3738 (article-narrow-to-head)
3739 (goto-char (point-min))
3740 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3741 (delete-region (match-beginning 1) (match-end 1)))))))
3743 (defun article-emphasize (&optional arg)
3744 "Emphasize text according to `gnus-emphasis-alist'."
3745 (interactive (gnus-article-hidden-arg))
3746 (unless (gnus-article-check-hidden-text 'emphasis arg)
3750 (with-current-buffer gnus-summary-buffer
3751 gnus-article-emphasis-alist)
3753 gnus-emphasis-alist))
3754 (inhibit-read-only t)
3755 (props (append '(article-type emphasis)
3756 gnus-hidden-properties))
3757 regexp elem beg invisible visible face)
3760 (while (setq elem (pop alist))
3762 (setq regexp (car elem)
3763 invisible (nth 1 elem)
3764 visible (nth 2 elem)
3766 (while (re-search-forward regexp nil t)
3767 (when (and (match-beginning visible) (match-beginning invisible))
3768 (gnus-article-hide-text
3769 (match-beginning invisible) (match-end invisible) props)
3770 (gnus-article-unhide-text-type
3771 (match-beginning visible) (match-end visible) 'emphasis)
3772 (gnus-put-overlay-excluding-newlines
3773 (match-beginning visible) (match-end visible) 'face face)
3774 (gnus-add-wash-type 'emphasis)
3775 (goto-char (match-end invisible)))))))))
3777 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3778 "Setup newsgroup emphasis alist."
3779 (unless gnus-article-emphasis-alist
3780 (let ((name (and gnus-newsgroup-name
3781 (gnus-group-real-name gnus-newsgroup-name))))
3782 (make-local-variable 'gnus-article-emphasis-alist)
3783 (setq gnus-article-emphasis-alist
3785 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3786 (while (setq elem (pop alist))
3787 (when (and name (string-match (car elem) name))
3789 highlight (copy-sequence (cdr elem)))))
3791 (copy-sequence highlight-words)
3792 (if gnus-newsgroup-name
3793 (copy-sequence (gnus-group-find-parameter
3794 gnus-newsgroup-name 'highlight-words t)))
3795 gnus-emphasis-alist)))))
3797 (defvar gnus-summary-article-menu)
3798 (defvar gnus-summary-post-menu)
3800 ;;; Saving functions.
3802 (defun gnus-article-save (save-buffer file &optional num)
3803 "Save the currently selected article."
3804 (when (or (get gnus-default-article-saver :headers)
3805 (not gnus-save-all-headers))
3806 ;; Remove headers according to `gnus-saved-headers' or the value
3807 ;; of the `:headers' property that the saver function might have.
3808 (let ((gnus-visible-headers
3809 (or (symbol-value (get gnus-default-article-saver :headers))
3810 gnus-saved-headers gnus-visible-headers))
3811 ;; Ignore group parameter. See `article-hide-headers'.
3812 (gnus-summary-buffer nil))
3813 (with-current-buffer save-buffer
3814 (article-hide-headers 1 t))))
3815 (save-window-excursion
3816 (if (not gnus-default-article-saver)
3817 (error "No default saver is defined")
3818 ;; !!! Magic! The saving functions all save
3819 ;; `gnus-save-article-buffer' (or so they think), but we
3820 ;; bind that variable to our save-buffer.
3821 (set-buffer gnus-article-buffer)
3822 (let* ((gnus-save-article-buffer save-buffer)
3825 ((not gnus-prompt-before-saving) 'default)
3826 ((eq gnus-prompt-before-saving 'always) nil)
3828 (gnus-number-of-articles-to-be-saved
3829 (when (eq gnus-prompt-before-saving t)
3831 (set-buffer gnus-article-current-summary)
3832 (funcall gnus-default-article-saver filename)))))
3834 (defun gnus-read-save-file-name (prompt &optional filename
3835 function group headers variable
3838 (funcall function group headers (symbol-value variable)))
3843 ((eq filename 'default)
3849 (when (symbol-value dir-var)
3850 (setq default-name (expand-file-name
3851 (file-name-nondirectory default-name)
3852 (symbol-value dir-var))))
3853 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3856 (if (and gnus-number-of-articles-to-be-saved
3857 (> gnus-number-of-articles-to-be-saved 1))
3858 (format "these %d articles"
3859 gnus-number-of-articles-to-be-saved)
3862 ;; Let the split methods have their say.
3864 ;; No split name was found.
3867 (concat prompt " (default "
3868 (file-name-nondirectory default-name) "): ")
3869 (file-name-directory default-name)
3871 ;; A single group name is returned.
3872 ((stringp split-name)
3874 (funcall function split-name headers
3875 (symbol-value variable)))
3877 (concat prompt " (default "
3878 (file-name-nondirectory default-name) "): ")
3879 (file-name-directory default-name)
3881 ;; A single split name was found
3882 ((= 1 (length split-name))
3883 (let* ((name (expand-file-name
3885 gnus-article-save-directory))
3886 (dir (cond ((file-directory-p name)
3887 (file-name-as-directory name))
3888 ((file-exists-p name) name)
3889 (t gnus-article-save-directory))))
3891 (concat prompt " (default " name "): ")
3893 ;; A list of splits was found.
3895 (setq split-name (nreverse split-name))
3897 (let ((file-name-history
3898 (nconc split-name file-name-history)))
3902 (concat prompt " (`M-p' for defaults): ")
3903 gnus-article-save-directory
3905 gnus-article-save-directory)))
3906 (car (push result file-name-history)))))))
3907 ;; Create the directory.
3908 (gnus-make-directory (file-name-directory file))
3909 ;; If we have read a directory, we append the default file name.
3910 (when (file-directory-p file)
3911 (setq file (expand-file-name (file-name-nondirectory
3913 (file-name-as-directory file))))
3914 ;; Possibly translate some characters.
3915 (nnheader-translate-file-chars file))))))
3916 (gnus-make-directory (file-name-directory result))
3918 (set variable result))
3920 (set dir-var (file-name-directory result)))
3923 (defun gnus-article-archive-name (group)
3924 "Return the first instance of an \"Archive-name\" in the current buffer."
3925 (let ((case-fold-search t))
3926 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3927 (nnheader-concat gnus-article-save-directory
3928 (match-string 1)))))
3930 (defun gnus-article-nndoc-name (group)
3931 "If GROUP is an nndoc group, return the name of the parent group."
3932 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3933 (gnus-group-get-parameter group 'save-article-group)))
3935 (defun gnus-summary-save-in-rmail (&optional filename)
3936 "Append this article to Rmail file.
3937 Optional argument FILENAME specifies file name.
3938 Directory to save to is default to `gnus-article-save-directory'."
3939 (setq filename (gnus-read-save-file-name
3940 "Save %s in rmail file" filename
3941 gnus-rmail-save-name gnus-newsgroup-name
3942 gnus-current-headers 'gnus-newsgroup-last-rmail))
3943 (with-current-buffer gnus-save-article-buffer
3947 ;; Note that unlike gnus-summary-save-in-mail, there is no
3948 ;; check to see if filename is Babyl. Rmail in Emacs 23 does
3950 (gnus-output-to-rmail filename))))
3953 (defun gnus-summary-save-in-mail (&optional filename)
3954 "Append this article to Unix mail file.
3955 Optional argument FILENAME specifies file name.
3956 Directory to save to is default to `gnus-article-save-directory'."
3957 (setq filename (gnus-read-save-file-name
3958 "Save %s in Unix mail file" filename
3959 gnus-mail-save-name gnus-newsgroup-name
3960 gnus-current-headers 'gnus-newsgroup-last-mail))
3961 (with-current-buffer gnus-save-article-buffer
3965 (if (and (file-readable-p filename)
3966 (file-regular-p filename)
3967 (mail-file-babyl-p filename))
3968 (gnus-output-to-rmail filename)
3969 (gnus-output-to-mail filename)))))
3972 (put 'gnus-summary-save-in-file :decode t)
3973 (put 'gnus-summary-save-in-file :headers 'gnus-saved-headers)
3974 (defun gnus-summary-save-in-file (&optional filename overwrite)
3975 "Append this article to file.
3976 Optional argument FILENAME specifies file name.
3977 Directory to save to is default to `gnus-article-save-directory'."
3978 (setq filename (gnus-read-save-file-name
3979 "Save %s in file" filename
3980 gnus-file-save-name gnus-newsgroup-name
3981 gnus-current-headers 'gnus-newsgroup-last-file))
3982 (with-current-buffer gnus-save-article-buffer
3986 (when (and overwrite
3987 (file-exists-p filename))
3988 (delete-file filename))
3989 (gnus-output-to-file filename))))
3992 (put 'gnus-summary-write-to-file :decode t)
3993 (put 'gnus-summary-write-to-file :function 'gnus-summary-save-in-file)
3994 (put 'gnus-summary-write-to-file :headers 'gnus-saved-headers)
3995 (defun gnus-summary-write-to-file (&optional filename)
3996 "Write this article to a file, overwriting it if the file exists.
3997 Optional argument FILENAME specifies file name.
3998 The directory to save in defaults to `gnus-article-save-directory'."
3999 (setq filename (gnus-read-save-file-name
4000 "Save %s in file" filename
4001 gnus-file-save-name gnus-newsgroup-name
4002 gnus-current-headers nil 'gnus-newsgroup-last-directory))
4003 (gnus-summary-save-in-file filename t))
4005 (put 'gnus-summary-save-body-in-file :decode t)
4006 (defun gnus-summary-save-body-in-file (&optional filename overwrite)
4007 "Append this article body to a file.
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 'gnus-newsgroup-last-file))
4014 (with-current-buffer gnus-save-article-buffer
4018 (when (article-goto-body)
4019 (narrow-to-region (point) (point-max)))
4020 (when (and overwrite
4021 (file-exists-p filename))
4022 (delete-file filename))
4023 (gnus-output-to-file filename))))
4026 (put 'gnus-summary-write-body-to-file :decode t)
4027 (put 'gnus-summary-write-body-to-file
4028 :function 'gnus-summary-save-body-in-file)
4029 (defun gnus-summary-write-body-to-file (&optional filename)
4030 "Write this article body to a file, overwriting it if the file exists.
4031 Optional argument FILENAME specifies file name.
4032 The directory to save in defaults to `gnus-article-save-directory'."
4033 (setq filename (gnus-read-save-file-name
4034 "Save %s body in file" filename
4035 gnus-file-save-name gnus-newsgroup-name
4036 gnus-current-headers nil 'gnus-newsgroup-last-directory))
4037 (gnus-summary-save-body-in-file filename t))
4039 (put 'gnus-summary-save-in-pipe :decode t)
4040 (put 'gnus-summary-save-in-pipe :headers 'gnus-saved-headers)
4041 (defun gnus-summary-save-in-pipe (&optional command raw)
4042 "Pipe this article to subprocess COMMAND.
4043 Valid values for COMMAND include:
4045 The executable command name and possibly arguments.
4047 You will be prompted for the command in the minibuffer.
4048 the symbol `default'
4049 It will be replaced with the command which the variable
4050 `gnus-summary-pipe-output-default-command' holds or the command
4051 last used for saving.
4052 Non-nil value for RAW overrides `:decode' and `:headers' properties
4053 and the raw article including all headers will be piped."
4054 (let ((article (gnus-summary-article-number))
4056 (get 'gnus-summary-save-in-pipe :decode)))
4057 save-buffer default)
4059 (if (vectorp (gnus-summary-article-header article))
4060 (save-current-buffer
4061 (gnus-summary-select-article decode decode nil article)
4062 (insert-buffer-substring
4066 gnus-original-article-buffer)
4068 (nnheader-set-temp-buffer " *Gnus Save*"))))
4069 ;; Remove unwanted headers.
4070 (when (and (not raw)
4071 (or (get 'gnus-summary-save-in-pipe :headers)
4072 (not gnus-save-all-headers)))
4073 (let ((gnus-visible-headers
4074 (or (symbol-value (get 'gnus-summary-save-in-pipe
4076 gnus-saved-headers gnus-visible-headers))
4077 (gnus-summary-buffer nil))
4078 (article-hide-headers 1 t))))
4079 (error "%d is not a real article" article))
4080 (error "No article to pipe"))
4081 (setq default (or gnus-summary-pipe-output-default-command
4082 gnus-last-shell-command))
4083 (unless (stringp command)
4085 (if (and (eq command 'default) default)
4087 (gnus-read-shell-command "Shell command on this article: "
4089 (when (string-equal command "")
4091 (setq command default)
4092 (error "A command is required")))
4093 (with-current-buffer save-buffer
4096 (shell-command-on-region (point-min) (point-max) command nil)))
4097 (gnus-kill-buffer save-buffer))
4098 (setq gnus-summary-pipe-output-default-command command))
4100 (defun gnus-summary-pipe-to-muttprint (&optional command)
4101 "Pipe this article to muttprint."
4102 (unless (stringp command)
4103 (setq command (read-string
4104 "Print using command: " gnus-summary-muttprint-program
4105 nil gnus-summary-muttprint-program)))
4106 (let ((gnus-summary-pipe-output-default-command
4107 gnus-summary-pipe-output-default-command))
4108 (gnus-summary-save-in-pipe command))
4109 (setq gnus-summary-muttprint-program command))
4111 ;;; Article file names when saving.
4113 (defun gnus-capitalize-newsgroup (newsgroup)
4114 "Capitalize NEWSGROUP name."
4115 (when (not (zerop (length newsgroup)))
4116 (concat (char-to-string (upcase (aref newsgroup 0)))
4117 (substring newsgroup 1))))
4119 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
4120 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
4121 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
4122 Otherwise, it is like ~/News/news/group/num."
4125 (concat (if (gnus-use-long-file-name 'not-save)
4126 (gnus-capitalize-newsgroup newsgroup)
4127 (gnus-newsgroup-directory-form newsgroup))
4128 "/" (int-to-string (mail-header-number headers)))
4129 gnus-article-save-directory)))
4131 (string-equal (file-name-directory default)
4132 (file-name-directory last-file))
4133 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
4135 (or last-file default))))
4137 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
4138 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
4139 If variable `gnus-use-long-file-name' is non-nil, it is
4140 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
4143 (concat (if (gnus-use-long-file-name 'not-save)
4145 (gnus-newsgroup-directory-form newsgroup))
4146 "/" (int-to-string (mail-header-number headers)))
4147 gnus-article-save-directory)))
4149 (string-equal (file-name-directory default)
4150 (file-name-directory last-file))
4151 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
4153 (or last-file default))))
4155 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
4156 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
4157 If variable `gnus-use-long-file-name' is non-nil, it is
4158 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
4161 (if (gnus-use-long-file-name 'not-save)
4164 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
4166 gnus-article-save-directory)))
4168 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
4169 "Generate file name from sender."
4170 (let ((from (mail-header-from headers)))
4172 (if (and from (string-match "\\([^ <]+\\)@" from))
4173 (match-string 1 from)
4175 gnus-article-save-directory)))
4177 (defun article-verify-x-pgp-sig ()
4179 ;; <ftp://ftp.isc.org/pub/pgpcontrol/FORMAT>
4181 (if (gnus-buffer-live-p gnus-original-article-buffer)
4182 (let ((sig (with-current-buffer gnus-original-article-buffer
4183 (gnus-fetch-field "X-PGP-Sig")))
4187 (mml2015-clear-verify-function))
4189 (insert-buffer-substring gnus-original-article-buffer)
4190 (setq items (split-string sig))
4191 (message-narrow-to-head)
4192 (let ((inhibit-point-motion-hooks t)
4193 (case-fold-search t))
4194 ;; Don't verify multiple headers.
4195 (setq headers (mapconcat (lambda (header)
4197 (mail-fetch-field header)
4199 (split-string (nth 1 items) ",") "")))
4200 (delete-region (point-min) (point-max))
4201 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
4202 (insert "X-Signed-Headers: " (nth 1 items) "\n")
4207 (if (looking-at "^-")
4210 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
4211 (insert "Version: " (car items) "\n\n")
4212 (insert (mapconcat 'identity (cddr items) "\n"))
4213 (insert "\n-----END PGP SIGNATURE-----\n")
4214 (let ((mm-security-handle (list (format "multipart/signed"))))
4215 (mml2015-clean-buffer)
4216 (let ((coding-system-for-write (or gnus-newsgroup-charset
4218 (funcall (mml2015-clear-verify-function)))
4220 (or (mm-handle-multipart-ctl-parameter
4221 mm-security-handle 'gnus-details)
4222 (mm-handle-multipart-ctl-parameter
4223 mm-security-handle 'gnus-info)))))
4225 (let ((inhibit-read-only t) bface eface)
4227 (message-narrow-to-head)
4228 (goto-char (point-max))
4230 (setq bface (get-text-property (point-at-bol) 'face)
4231 eface (get-text-property (1- (point-at-eol)) 'face))
4232 (message-remove-header "X-Gnus-PGP-Verify")
4233 (if (re-search-forward "^X-PGP-Sig:" nil t)
4235 (goto-char (point-max)))
4236 (narrow-to-region (point) (point))
4237 (insert "X-Gnus-PGP-Verify: " info "\n")
4238 (goto-char (point-min))
4241 (if (not (looking-at "^[ \t]"))
4245 (goto-char (point-min))
4246 (when (looking-at "\\([^:]+\\): *")
4247 (put-text-property (match-beginning 1) (1+ (match-end 1))
4249 (put-text-property (match-end 0) (point-max)
4250 'face eface)))))))))
4252 (autoload 'canlock-verify "canlock" nil t) ;; for XEmacs.
4254 (defun article-verify-cancel-lock ()
4255 "Verify Cancel-Lock header."
4257 (if (gnus-buffer-live-p gnus-original-article-buffer)
4258 (canlock-verify gnus-original-article-buffer)))
4265 (setq afunc (car func)
4268 gfunc (intern (format "gnus-%s" func))))
4270 (when (fboundp afunc)
4271 `(lambda (&optional interactive &rest args)
4272 ,(documentation afunc t)
4273 (interactive (list t))
4274 (with-current-buffer gnus-article-buffer
4276 (call-interactively ',afunc)
4277 (apply ',afunc args))))))))
4278 '(article-hide-headers
4279 article-verify-x-pgp-sig
4280 article-verify-cancel-lock
4281 article-hide-boring-headers
4282 article-treat-overstrike
4283 article-treat-ansi-sequences
4284 article-fill-long-lines
4285 article-capitalize-sentences
4287 article-remove-leading-whitespace
4288 article-display-x-face
4289 article-display-face
4290 article-de-quoted-unreadable
4291 article-de-base64-unreadable
4294 article-unsplit-urls
4295 article-hide-list-identifiers
4296 article-strip-banner
4299 article-hide-signature
4300 article-strip-headers-in-body
4301 article-remove-trailing-blank-lines
4302 article-strip-leading-blank-lines
4303 article-strip-multiple-blank-lines
4304 article-strip-leading-space
4305 article-strip-trailing-space
4306 article-strip-blank-lines
4307 article-strip-all-blank-lines
4309 article-date-english
4310 article-date-iso8601
4311 article-date-original
4314 article-decode-mime-words
4315 article-decode-charset
4316 article-decode-encoded-words
4319 article-date-combined-lapsed
4321 article-treat-dumbquotes
4322 article-treat-non-ascii
4323 article-normalize-headers
4324 ;;(article-show-all . gnus-article-show-all-headers)
4328 ;;; Gnus article mode
4331 (put 'gnus-article-mode 'mode-class 'special)
4333 (set-keymap-parent gnus-article-mode-map widget-keymap)
4335 (gnus-define-keys gnus-article-mode-map
4336 " " gnus-article-goto-next-page
4337 "\177" gnus-article-goto-prev-page
4338 [delete] gnus-article-goto-prev-page
4339 [backspace] gnus-article-goto-prev-page
4340 "\C-c^" gnus-article-refer-article
4341 "h" gnus-article-show-summary
4342 "s" gnus-article-show-summary
4343 "\C-c\C-m" gnus-article-mail
4344 "?" gnus-article-describe-briefly
4345 "<" beginning-of-buffer
4347 "\C-c\C-i" gnus-info-find-node
4349 "R" gnus-article-reply-with-original
4350 "F" gnus-article-followup-with-original
4351 "\C-hk" gnus-article-describe-key
4352 "\C-hc" gnus-article-describe-key-briefly
4353 "\C-hb" gnus-article-describe-bindings
4355 "e" gnus-article-read-summary-keys
4356 "\C-d" gnus-article-read-summary-keys
4357 "\M-*" gnus-article-read-summary-keys
4358 "\M-#" gnus-article-read-summary-keys
4359 "\M-^" gnus-article-read-summary-keys
4360 "\M-g" gnus-article-read-summary-keys)
4362 (substitute-key-definition
4363 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
4365 (gnus-define-keys (gnus-article-send-map "S" gnus-article-mode-map)
4366 "W" gnus-article-wide-reply-with-original)
4367 (if (featurep 'xemacs)
4368 (set-keymap-default-binding gnus-article-send-map
4369 'gnus-article-read-summary-send-keys)
4370 (define-key gnus-article-send-map [t] 'gnus-article-read-summary-send-keys))
4372 (defun gnus-article-make-menu-bar ()
4373 (unless (boundp 'gnus-article-commands-menu)
4374 (gnus-summary-make-menu-bar))
4375 (unless (boundp 'gnus-article-article-menu)
4377 gnus-article-article-menu gnus-article-mode-map ""
4379 ["Scroll forwards" gnus-article-goto-next-page t]
4380 ["Scroll backwards" gnus-article-goto-prev-page t]
4381 ["Show summary" gnus-article-show-summary t]
4382 ["Fetch Message-ID at point" gnus-article-refer-article t]
4383 ["Mail to address at point" gnus-article-mail t]
4384 ["Send a bug report" gnus-bug t]))
4387 gnus-article-treatment-menu gnus-article-mode-map ""
4388 ;; Fixme: this should use :active (and maybe :visible).
4390 ["Hide headers" gnus-article-hide-headers t]
4391 ["Hide signature" gnus-article-hide-signature t]
4392 ["Hide citation" gnus-article-hide-citation t]
4393 ["Treat overstrike" gnus-article-treat-overstrike t]
4394 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
4395 ["Remove carriage return" gnus-article-remove-cr t]
4396 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
4397 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
4398 ["Remove base64" gnus-article-de-base64-unreadable t]
4399 ["Treat html" gnus-article-wash-html t]
4400 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
4401 ["Decode HZ" gnus-article-decode-HZ t]))
4403 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
4405 ;; Note "Post" menu is defined in gnus-sum.el for consistency
4407 (gnus-run-hooks 'gnus-article-menu-hook)))
4409 (defvar bookmark-make-record-function)
4411 (defun gnus-article-mode ()
4412 "Major mode for displaying an article.
4414 All normal editing commands are switched off.
4416 The following commands are available in addition to all summary mode
4418 \\<gnus-article-mode-map>
4419 \\[gnus-article-next-page]\t Scroll the article one page forwards
4420 \\[gnus-article-prev-page]\t Scroll the article one page backwards
4421 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
4422 \\[gnus-article-show-summary]\t Display the summary buffer
4423 \\[gnus-article-mail]\t Send a reply to the address near point
4424 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
4425 \\[gnus-info-find-node]\t Go to the Gnus info node"
4427 (kill-all-local-variables)
4428 (gnus-simplify-mode-line)
4429 (setq mode-name "Article")
4430 (setq major-mode 'gnus-article-mode)
4431 (make-local-variable 'minor-mode-alist)
4432 (use-local-map gnus-article-mode-map)
4433 (when (gnus-visual-p 'article-menu 'menu)
4434 (gnus-article-make-menu-bar)
4435 (when gnus-summary-tool-bar-map
4436 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
4437 (gnus-update-format-specifications nil 'article-mode)
4438 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
4439 (set (make-local-variable 'gnus-page-broken) nil)
4440 (make-local-variable 'gnus-article-current-summary)
4441 (make-local-variable 'gnus-article-mime-handles)
4442 (make-local-variable 'gnus-article-decoded-p)
4443 (make-local-variable 'gnus-article-mime-handle-alist)
4444 (make-local-variable 'gnus-article-wash-types)
4445 (make-local-variable 'gnus-article-image-alist)
4446 (make-local-variable 'gnus-article-charset)
4447 (make-local-variable 'gnus-article-ignored-charsets)
4448 (set (make-local-variable 'bookmark-make-record-function)
4449 'gnus-summary-bookmark-make-record)
4450 ;; Prevent Emacs 22 from displaying non-break space with `nobreak-space'
4452 (set (make-local-variable 'nobreak-char-display) nil)
4453 (setq cursor-in-non-selected-windows nil)
4454 (gnus-set-default-directory)
4455 (buffer-disable-undo)
4456 (setq buffer-read-only t
4457 show-trailing-whitespace nil)
4458 (set-syntax-table gnus-article-mode-syntax-table)
4459 (mm-enable-multibyte)
4460 (gnus-run-mode-hooks 'gnus-article-mode-hook))
4462 (defun gnus-article-setup-buffer ()
4463 "Initialize the article buffer."
4464 (let* ((name (if gnus-single-article-buffer "*Article*"
4465 (concat "*Article " gnus-newsgroup-name "*")))
4467 (progn (string-match "\\*Article" name)
4468 (concat " *Original Article"
4469 (substring name (match-end 0))))))
4470 (setq gnus-article-buffer name)
4471 (setq gnus-original-article-buffer original)
4472 (setq gnus-article-mime-handle-alist nil)
4473 (with-current-buffer gnus-summary-buffer
4474 ;; This might be a variable local to the summary buffer.
4475 (unless gnus-single-article-buffer
4476 (setq gnus-article-buffer name)
4477 (setq gnus-original-article-buffer original)
4478 (gnus-set-global-variables)))
4479 (gnus-article-setup-highlight-words)
4480 ;; Init original article buffer.
4481 (with-current-buffer (gnus-get-buffer-create gnus-original-article-buffer)
4482 (mm-enable-multibyte)
4483 (setq major-mode 'gnus-original-article-mode)
4484 (make-local-variable 'gnus-original-article))
4485 (if (and (get-buffer name)
4486 (with-current-buffer name
4487 (if gnus-article-edit-mode
4488 (if (y-or-n-p "Article mode edit in progress; discard? ")
4490 (set-buffer-modified-p nil)
4491 (gnus-kill-buffer name)
4494 (error "Action aborted"))
4496 (with-current-buffer name
4497 (set (make-local-variable 'gnus-article-edit-mode) nil)
4498 (when gnus-article-mime-handles
4499 (mm-destroy-parts gnus-article-mime-handles)
4500 (setq gnus-article-mime-handles nil))
4501 ;; Set it to nil in article-buffer!
4502 (setq gnus-article-mime-handle-alist nil)
4503 (buffer-disable-undo)
4504 (setq buffer-read-only t)
4505 (unless (eq major-mode 'gnus-article-mode)
4506 (gnus-article-mode))
4507 (setq truncate-lines gnus-article-truncate-lines)
4509 (with-current-buffer (gnus-get-buffer-create name)
4511 (setq truncate-lines gnus-article-truncate-lines)
4512 (make-local-variable 'gnus-summary-buffer)
4513 (setq gnus-summary-buffer
4514 (gnus-summary-buffer-name gnus-newsgroup-name))
4515 (gnus-summary-set-local-parameters gnus-newsgroup-name)
4516 (when (and gnus-article-update-date-headers
4517 (not article-lapsed-timer))
4518 (gnus-start-date-timer gnus-article-update-date-headers))
4519 (current-buffer)))))
4521 ;; Set article window start at LINE, where LINE is the number of lines
4522 ;; from the head of the article.
4523 (defun gnus-article-set-window-start (&optional line)
4524 (let ((article-window (gnus-get-buffer-window gnus-article-buffer t)))
4525 (when article-window
4528 (with-current-buffer gnus-article-buffer
4529 (goto-char (point-min))
4532 (gnus-message 6 "Moved to bookmark")
4533 (search-forward "\n\n" nil t)
4537 (defun gnus-article-prepare (article &optional all-headers header)
4538 "Prepare ARTICLE in article mode buffer.
4539 ARTICLE should either be an article number or a Message-ID.
4540 If ARTICLE is an id, HEADER should be the article headers.
4541 If ALL-HEADERS is non-nil, no headers are hidden."
4543 ;; Make sure we start in a summary buffer.
4544 (unless (eq major-mode 'gnus-summary-mode)
4545 (set-buffer gnus-summary-buffer))
4546 (setq gnus-summary-buffer (current-buffer))
4547 (let* ((gnus-article (if header (mail-header-number header) article))
4548 (summary-buffer (current-buffer))
4549 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
4550 (group gnus-newsgroup-name)
4553 (gnus-article-setup-buffer)
4554 (set-buffer gnus-article-buffer)
4555 ;; Deactivate active regions.
4556 (when (and (boundp 'transient-mark-mode)
4557 transient-mark-mode)
4558 (setq mark-active nil))
4559 (if (not (setq result (let ((inhibit-read-only t))
4560 (gnus-request-article-this-buffer
4562 ;; There is no such article.
4564 (when (and (numberp article)
4565 (not (memq article gnus-newsgroup-sparse)))
4566 (setq gnus-article-current
4567 (cons gnus-newsgroup-name article))
4568 (set-buffer gnus-summary-buffer)
4569 (setq gnus-current-article article)
4570 (if (and (memq article gnus-newsgroup-undownloaded)
4571 (not (gnus-online (gnus-find-method-for-group
4572 gnus-newsgroup-name))))
4574 (gnus-summary-set-agent-mark article)
4575 (message "Message marked for downloading"))
4576 (gnus-summary-mark-article article gnus-canceled-mark)
4577 (unless (memq article gnus-newsgroup-sparse)
4578 (gnus-error 1 "No such article (may have expired or been canceled)")))))
4579 (if (or (eq result 'pseudo)
4580 (eq result 'nneething))
4582 (with-current-buffer summary-buffer
4583 (push article gnus-newsgroup-history)
4584 (setq gnus-last-article gnus-current-article
4585 gnus-current-article 0
4586 gnus-current-headers nil
4587 gnus-article-current nil)
4588 (if (eq result 'nneething)
4589 (gnus-configure-windows 'summary)
4590 (gnus-configure-windows 'article))
4591 (gnus-set-global-variables))
4592 (let ((gnus-article-mime-handle-alist-1
4593 gnus-article-mime-handle-alist))
4594 (gnus-set-mode-line 'article)))
4595 ;; The result from the `request' was an actual article -
4596 ;; or at least some text that is now displayed in the
4598 (when (and (numberp article)
4599 (not (eq article gnus-current-article)))
4600 ;; Seems like a new article has been selected.
4601 ;; `gnus-current-article' must be an article number.
4602 (with-current-buffer summary-buffer
4603 (push article gnus-newsgroup-history)
4604 (setq gnus-last-article gnus-current-article
4605 gnus-current-article article
4606 gnus-current-headers
4607 (gnus-summary-article-header gnus-current-article)
4608 gnus-article-current
4609 (cons gnus-newsgroup-name gnus-current-article))
4610 (unless (vectorp gnus-current-headers)
4611 (setq gnus-current-headers nil))
4612 (gnus-summary-goto-subject gnus-current-article)
4613 (when (gnus-summary-show-thread)
4614 ;; If the summary buffer really was folded, the
4615 ;; previous goto may not actually have gone to
4616 ;; the right article, but the thread root instead.
4618 (gnus-summary-goto-subject gnus-current-article))
4619 (gnus-run-hooks 'gnus-mark-article-hook)
4620 (gnus-set-mode-line 'summary)
4621 (when (gnus-visual-p 'article-highlight 'highlight)
4622 (gnus-run-hooks 'gnus-visual-mark-article-hook))
4623 ;; Set the global newsgroup variables here.
4624 (gnus-set-global-variables)
4625 (setq gnus-have-all-headers
4626 (or all-headers gnus-show-all-headers))))
4628 (gnus-configure-windows 'article))
4629 (when (or (numberp article)
4631 (gnus-article-prepare-display)
4633 (goto-char (point-min))
4634 (when gnus-break-pages
4635 (gnus-narrow-to-page)))
4636 (let ((gnus-article-mime-handle-alist-1
4637 gnus-article-mime-handle-alist))
4638 (gnus-set-mode-line 'article))
4642 (set-window-point (get-buffer-window (current-buffer)) (point))
4643 (gnus-configure-windows 'article)
4647 (defun gnus-article-prepare-display ()
4648 "Make the current buffer look like a nice article."
4649 ;; Hooks for getting information from the article.
4650 ;; This hook must be called before being narrowed.
4651 (let ((gnus-article-buffer (current-buffer))
4653 (inhibit-read-only t))
4654 (unless (eq major-mode 'gnus-article-mode)
4655 (gnus-article-mode))
4656 (setq buffer-read-only nil
4657 gnus-article-wash-types nil
4658 gnus-article-image-alist nil)
4659 (gnus-run-hooks 'gnus-tmp-internal-hook)
4660 (when gnus-display-mime-function
4661 (funcall gnus-display-mime-function))
4662 (gnus-run-hooks 'gnus-article-prepare-hook)))
4665 ;;; Gnus Sticky Article Mode
4668 (define-derived-mode gnus-sticky-article-mode gnus-article-mode "StickyArticle"
4669 "Mode for sticky articles."
4670 ;; Release bindings that won't work.
4671 (substitute-key-definition 'gnus-article-read-summary-keys 'undefined
4672 gnus-sticky-article-mode-map)
4673 (substitute-key-definition 'gnus-article-refer-article 'undefined
4674 gnus-sticky-article-mode-map)
4675 (dolist (k '("e" "h" "s" "F" "R"))
4676 (define-key gnus-sticky-article-mode-map k nil))
4677 (define-key gnus-sticky-article-mode-map "k" 'gnus-kill-sticky-article-buffer)
4678 (define-key gnus-sticky-article-mode-map "q" 'bury-buffer)
4679 (define-key gnus-sticky-article-mode-map "\C-hc" 'describe-key-briefly)
4680 (define-key gnus-sticky-article-mode-map "\C-hk" 'describe-key))
4682 (defun gnus-sticky-article (arg)
4683 "Make the current article sticky.
4684 If a prefix ARG is given, ask for a name for this sticky article buffer."
4686 (gnus-summary-show-thread)
4687 (gnus-summary-select-article nil nil 'pseudo)
4688 (let (new-art-buf-name)
4689 (gnus-eval-in-buffer-window gnus-article-buffer
4690 (setq new-art-buf-name
4694 (read-from-minibuffer "Sticky article buffer name: ")
4695 (gnus-with-article-headers
4696 (gnus-article-goto-header "subject")
4697 (setq new-art-buf-name
4698 (buffer-substring-no-properties
4699 (line-beginning-position) (line-end-position)))
4700 (goto-char (point-min))
4701 (gnus-article-goto-header "from")
4702 (setq new-art-buf-name
4704 new-art-buf-name ", "
4705 (buffer-substring-no-properties
4706 (line-beginning-position) (line-end-position))))
4707 (goto-char (point-min))
4708 (gnus-article-goto-header "date")
4709 (setq new-art-buf-name
4711 new-art-buf-name ", "
4712 (buffer-substring-no-properties
4713 (line-beginning-position) (line-end-position))))))
4715 (if (and (gnus-buffer-live-p new-art-buf-name)
4716 (with-current-buffer new-art-buf-name
4717 (eq major-mode 'gnus-sticky-article-mode)))
4718 (switch-to-buffer new-art-buf-name)
4719 (setq new-art-buf-name (rename-buffer new-art-buf-name t)))
4720 (gnus-sticky-article-mode))
4721 (setq gnus-article-buffer new-art-buf-name))
4722 (gnus-summary-recenter)
4723 (gnus-summary-position-point))
4725 (defun gnus-kill-sticky-article-buffer (&optional buffer)
4726 "Kill the given sticky article BUFFER.
4727 If none is given, assume the current buffer and kill it if it has
4728 `gnus-sticky-article-mode'."
4731 (setq buffer (current-buffer)))
4732 (with-current-buffer buffer
4733 (when (eq major-mode 'gnus-sticky-article-mode)
4734 (gnus-kill-buffer buffer))))
4736 (defun gnus-kill-sticky-article-buffers (arg)
4737 "Kill all sticky article buffers.
4738 If a prefix ARG is given, ask for confirmation."
4740 (dolist (buf (gnus-buffers))
4741 (with-current-buffer buf
4742 (when (eq major-mode 'gnus-sticky-article-mode)
4744 (gnus-kill-buffer buf)
4745 (when (yes-or-no-p (concat "Kill buffer " (buffer-name buf) "? "))
4746 (gnus-kill-buffer buf)))))))
4749 ;;; Gnus MIME viewing functions
4752 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4753 "Format of the MIME buttons.
4755 Valid specifiers include:
4757 %T MIME type, along with additional info
4758 %n The `name' parameter
4759 %d The description, if any
4760 %l The length of the encoded part
4761 %p The part identifier number
4762 %e Dots if the part isn't displayed
4764 General format specifiers can also be used. See Info node
4765 `(gnus)Formatting Variables'.")
4767 (defvar gnus-mime-button-line-format-alist
4768 '((?t gnus-tmp-type ?s)
4769 (?T gnus-tmp-type-long ?s)
4770 (?n gnus-tmp-name ?s)
4771 (?d gnus-tmp-description ?s)
4773 (?l gnus-tmp-length ?d)
4774 (?e gnus-tmp-dots ?s)))
4776 (defvar gnus-mime-button-commands
4777 '((gnus-article-press-button "\r" "Toggle Display")
4778 (gnus-mime-view-part "v" "View Interactively...")
4779 (gnus-mime-view-part-as-type "t" "View As Type...")
4780 (gnus-mime-view-part-as-charset "C" "View As charset...")
4781 (gnus-mime-save-part "o" "Save...")
4782 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4783 (gnus-mime-replace-part "r" "Replace part")
4784 (gnus-mime-delete-part "d" "Delete part")
4785 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4786 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4787 (gnus-mime-view-part-internally "E" "View Internally") ;; Why `E'?
4788 (gnus-mime-view-part-externally "e" "View Externally")
4789 (gnus-mime-print-part "p" "Print")
4790 (gnus-mime-pipe-part "|" "Pipe To Command...")
4791 (gnus-mime-action-on-part "." "Take action on the part...")))
4793 (defun gnus-article-mime-part-status ()
4794 (if gnus-article-mime-handle-alist-1
4795 (if (eq 1 (length gnus-article-mime-handle-alist-1))
4797 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
4800 (defvar gnus-mime-button-map
4801 (let ((map (make-sparse-keymap)))
4802 (define-key map gnus-mouse-2 'gnus-article-push-button)
4803 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4804 (dolist (c gnus-mime-button-commands)
4805 (define-key map (cadr c) (car c)))
4809 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4811 ,@(mapcar (lambda (c)
4812 (vector (caddr c) (car c) :active t))
4813 gnus-mime-button-commands)))
4815 (defvar gnus-url-button-commands
4816 '((gnus-article-copy-string "u" "Copy URL to kill ring")))
4818 (defvar gnus-url-button-map
4819 (let ((map (make-sparse-keymap)))
4820 (dolist (c gnus-url-button-commands)
4821 (define-key map (cadr c) (car c)))
4825 gnus-url-button-menu gnus-url-button-map "URL button menu."
4827 ,@(mapcar (lambda (c)
4828 (vector (caddr c) (car c) :active t))
4829 gnus-url-button-commands)))
4831 (defmacro gnus-bind-safe-url-regexp (&rest body)
4832 "Bind `mm-w3m-safe-url-regexp' according to `gnus-safe-html-newsgroups'."
4833 `(let ((mm-w3m-safe-url-regexp
4834 (let ((group (if (and (eq major-mode 'gnus-article-mode)
4836 gnus-article-current-summary))
4837 (with-current-buffer gnus-article-current-summary
4838 gnus-newsgroup-name)
4839 gnus-newsgroup-name)))
4840 (if (cond ((not group)
4841 ;; Maybe we're in a mml-preview buffer
4842 ;; and no group is selected.
4844 ((stringp gnus-safe-html-newsgroups)
4845 (string-match gnus-safe-html-newsgroups group))
4846 ((consp gnus-safe-html-newsgroups)
4847 (member group gnus-safe-html-newsgroups)))
4849 mm-w3m-safe-url-regexp))))
4852 (defun gnus-mime-button-menu (event prefix)
4853 "Construct a context-sensitive menu of MIME commands."
4854 (interactive "e\nP")
4855 (save-window-excursion
4856 (let ((pos (event-start event)))
4857 (select-window (posn-window pos))
4858 (goto-char (posn-point pos))
4859 (gnus-article-check-buffer)
4860 (popup-menu gnus-mime-button-menu nil prefix))))
4862 (defun gnus-mime-view-all-parts (&optional handles)
4863 "View all the MIME parts."
4865 (with-current-buffer gnus-article-buffer
4866 (let ((handles (or handles gnus-article-mime-handles))
4867 (mail-parse-charset gnus-newsgroup-charset)
4868 (mail-parse-ignored-charsets
4869 (with-current-buffer gnus-summary-buffer
4870 gnus-newsgroup-ignored-charsets)))
4872 (mm-remove-parts handles)
4873 (goto-char (point-min))
4874 (or (search-forward "\n\n") (goto-char (point-max)))
4875 (let ((inhibit-read-only t))
4876 (delete-region (point) (point-max))
4877 (gnus-bind-safe-url-regexp (mm-display-parts handles)))))))
4879 (defun gnus-article-jump-to-part (n)
4880 "Jump to MIME part N."
4882 (let ((parts (with-current-buffer gnus-article-buffer
4883 (length gnus-article-mime-handle-alist))))
4885 (error "No such part"))
4886 (pop-to-buffer gnus-article-buffer)
4887 ;; FIXME: why is it necessary?
4890 (setq n (if (= parts 1)
4892 (read-number (format "Jump to part (1..%s): " parts)))))
4893 (unless (and (integerp n) (<= n parts) (>= n 1))
4896 (gnus-message 7 "Invalid part `%s', using %s instead."
4899 (gnus-message 9 "Jumping to part %s." n)
4900 (cond ((>= gnus-auto-select-part 1)
4901 (while (and (<= n parts)
4902 (not (gnus-article-goto-part n)))
4904 ((< gnus-auto-select-part 0)
4905 (while (and (>= n 1)
4906 (not (gnus-article-goto-part n)))
4909 (gnus-article-goto-part n)))))
4911 (defvar gnus-mime-buttonized-part-id nil
4912 "ID of a mime part that should be buttonized.
4913 `gnus-mime-save-part-and-strip' and `gnus-mime-delete-part' bind it.")
4916 (defsubst gnus-article-edit-part (handles &optional current-id)
4917 "Edit an article in order to delete a mime part.
4918 This function is exclusively used by `gnus-mime-save-part-and-strip'
4919 and `gnus-mime-delete-part', and not provided at run-time normally."
4920 (gnus-article-edit-article
4922 (buffer-disable-undo)
4924 (let ((mail-parse-charset (or gnus-article-charset
4925 ',gnus-newsgroup-charset))
4926 (mail-parse-ignored-charsets
4927 (or gnus-article-ignored-charsets
4928 ',gnus-newsgroup-ignored-charsets))
4929 (mbl mml-buffer-list))
4930 (setq mml-buffer-list nil)
4931 (insert-buffer-substring gnus-original-article-buffer)
4932 (mime-to-mml ',handles)
4933 (setq gnus-article-mime-handles nil)
4934 (let ((mbl1 mml-buffer-list))
4935 (setq mml-buffer-list mbl)
4936 (set (make-local-variable 'mml-buffer-list) mbl1))
4937 (gnus-make-local-hook 'kill-buffer-hook)
4938 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4939 `(lambda (no-highlight)
4940 (let ((mail-parse-charset (or gnus-article-charset
4941 ',gnus-newsgroup-charset))
4942 (message-options message-options)
4943 (message-options-set-recipient)
4944 (mail-parse-ignored-charsets
4945 (or gnus-article-ignored-charsets
4946 ',gnus-newsgroup-ignored-charsets)))
4948 (mml-destroy-buffers)
4949 (remove-hook 'kill-buffer-hook
4950 'mml-destroy-buffers t)
4951 (kill-local-variable 'mml-buffer-list))
4952 (gnus-summary-edit-article-done
4953 ,(or (mail-header-references gnus-current-headers) "")
4954 ,(gnus-group-read-only-p)
4955 ,gnus-summary-buffer no-highlight))
4957 ;; Force buttonizing this part.
4958 (let ((gnus-mime-buttonized-part-id current-id))
4959 (gnus-article-edit-done))
4960 (gnus-configure-windows 'article)
4961 (when (and current-id (integerp gnus-auto-select-part))
4962 (gnus-article-jump-to-part
4963 (min (max (+ current-id gnus-auto-select-part) 1)
4964 (with-current-buffer gnus-article-buffer
4965 (length gnus-article-mime-handle-alist)))))))
4967 (defun gnus-mime-replace-part (file)
4968 "Replace MIME part under point with an external body."
4969 ;; Useful if file has already been saved to disk
4972 (read-file-name "Replace MIME part with file: "
4973 (or mm-default-directory default-directory)
4975 (gnus-mime-save-part-and-strip file))
4977 (defun gnus-mime-save-part-and-strip (&optional file)
4978 "Save the MIME part under point then replace it with an external body.
4979 If FILE is given, use it for the external part."
4981 (gnus-article-check-buffer)
4982 (when (gnus-group-read-only-p)
4983 (error "The current group does not support deleting of parts"))
4984 (when (mm-complicated-handles gnus-article-mime-handles)
4986 The current article has a complicated MIME structure, giving up..."))
4987 (let* ((data (get-text-property (point) 'gnus-data))
4988 (id (get-text-property (point) 'gnus-part))
4990 (handles gnus-article-mime-handles))
4993 (and data (mm-save-part data "Delete MIME part and save to: "))))
4995 (with-current-buffer (mm-handle-buffer data)
4997 (insert "Content-Type: " (mm-handle-media-type data))
4998 (mml-insert-parameter-string (cdr (mm-handle-type data))
5000 ;; Add a filename for the sake of saving the part again.
5001 (mml-insert-parameter
5002 (mail-header-encode-parameter "name" (file-name-nondirectory file)))
5004 (insert "Content-ID: " (message-make-message-id) "\n")
5005 (insert "Content-Transfer-Encoding: binary\n")
5008 (cdr (mm-make-handle nil
5009 `("message/external-body"
5010 (access-type . "LOCAL-FILE")
5012 ;; (set-buffer gnus-summary-buffer)
5013 (gnus-article-edit-part handles id))))
5015 ;; A function like `gnus-summary-save-parts' (`X m', `<MIME> <Extract all
5016 ;; parts...>') but with stripping would be nice.
5018 (defun gnus-mime-delete-part ()
5019 "Delete the MIME part under point.
5020 Replace it with some information about the removed part."
5022 (gnus-article-check-buffer)
5023 (when (gnus-group-read-only-p)
5024 (error "The current group does not support deleting of parts"))
5025 (when (mm-complicated-handles gnus-article-mime-handles)
5027 The current article has a complicated MIME structure, giving up..."))
5028 (when (or gnus-expert-user
5029 (gnus-yes-or-no-p "\
5030 Deleting parts may malfunction or destroy the article; continue? "))
5031 (let* ((data (get-text-property (point) 'gnus-data))
5032 (id (get-text-property (point) 'gnus-part))
5033 (handles gnus-article-mime-handles)
5036 (let ((desc (mm-handle-description data)))
5038 (mail-decode-encoded-word-string desc))))
5040 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
5042 (type (mm-handle-media-type data)))
5044 (error "No MIME part under point"))
5045 (with-current-buffer (mm-handle-buffer data)
5046 (let ((bsize (buffer-size)))
5051 "| The following attachment has been deleted:\n"
5053 "| Type: " type "\n"
5054 "| Filename: " filename "\n"
5055 "| Size (encoded): " (format "%s byte%s\n"
5056 bsize (if (= bsize 1)
5060 (concat "| Description: " description "\n"))
5063 (cdr (mm-make-handle
5064 nil `("text/plain" (charset . gnus-decoded)) nil nil
5066 (format "Deleted attachment (%s bytes)" bsize))))))
5067 ;; (set-buffer gnus-summary-buffer)
5068 (gnus-article-edit-part handles id))))
5070 (defun gnus-mime-save-part ()
5071 "Save the MIME part under point."
5073 (gnus-article-check-buffer)
5074 (let ((data (get-text-property (point) 'gnus-data)))
5076 (mm-save-part data))))
5078 (defun gnus-mime-pipe-part (&optional cmd)
5079 "Pipe the MIME part under point to a process.
5080 Use CMD as the process."
5082 (gnus-article-check-buffer)
5083 (let ((data (get-text-property (point) 'gnus-data)))
5085 (mm-pipe-part data cmd))))
5087 (defun gnus-mime-view-part ()
5088 "Interactively choose a viewing method for the MIME part under point."
5090 (gnus-article-check-buffer)
5091 (let ((data (get-text-property (point) 'gnus-data)))
5093 (setq gnus-article-mime-handles
5095 gnus-article-mime-handles (setq data (copy-sequence data))))
5096 (mm-interactively-view-part data))))
5098 (defun gnus-mime-view-part-as-type-internal ()
5099 (gnus-article-check-buffer)
5100 (let* ((handle (get-text-property (point) 'gnus-data))
5102 ;; Content-Type: foo/bar; name=...
5103 (mail-content-type-get (mm-handle-type handle) 'name)
5104 ;; Content-Disposition: attachment; filename=...
5105 (cdr (assq 'filename (cdr (mm-handle-disposition handle))))))
5106 (def-type (and name (mm-default-file-encoding name))))
5107 (or (and def-type (cons def-type 0))
5109 (equal (mm-handle-media-supertype handle) "text")
5110 '("text/plain" . 0))
5111 '("application/octet-stream" . 0))))
5113 (defun gnus-mime-view-part-as-type (&optional mime-type pred)
5114 "Choose a MIME media type, and view the part as such.
5115 If non-nil, PRED is a predicate to use during completion to limit the
5116 available media-types."
5120 (let ((default (gnus-mime-view-part-as-type-internal)))
5121 (gnus-completing-read
5124 (gnus-remove-if-not pred (mailcap-mime-types))
5125 (mailcap-mime-types))
5128 (gnus-article-check-buffer)
5129 (let ((handle (get-text-property (point) 'gnus-data)))
5131 (when (equal (mm-handle-media-type handle) "message/external-body")
5132 (unless (mm-handle-cache handle)
5133 (mm-extern-cache-contents handle))
5134 (setq handle (mm-handle-cache handle)))
5136 (mm-make-handle (mm-handle-buffer handle)
5137 (cons mime-type (cdr (mm-handle-type handle)))
5138 (mm-handle-encoding handle)
5139 (mm-handle-undisplayer handle)
5140 (mm-handle-disposition handle)
5141 (mm-handle-description handle)
5143 (mm-handle-id handle)))
5144 (setq gnus-article-mime-handles
5145 (mm-merge-handles gnus-article-mime-handles handle))
5146 (when (mm-handle-displayed-p handle)
5147 (mm-remove-part handle))
5148 (gnus-mm-display-part handle))))
5150 (defun gnus-mime-copy-part (&optional handle arg)
5151 "Put the MIME part under point into a new buffer.
5152 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
5154 (interactive (list nil current-prefix-arg))
5155 (gnus-article-check-buffer)
5157 (setq handle (get-text-property (point) 'gnus-data)))
5159 (let ((filename (or (mail-content-type-get (mm-handle-type handle)
5161 (mail-content-type-get (mm-handle-disposition handle)
5163 contents dont-decode charset coding-system)
5164 (mm-with-unibyte-buffer
5165 (mm-insert-part handle)
5166 (setq contents (or (condition-case nil
5167 (mm-decompress-buffer filename nil 'sig)
5169 (setq dont-decode t)
5172 (setq filename (cond (filename (file-name-nondirectory filename))
5173 (dont-decode "*raw data*")
5178 (unless (setq charset (mail-content-type-get
5179 (mm-handle-type handle) 'charset))
5180 (unless (setq coding-system (mm-with-unibyte-buffer
5182 (mm-find-buffer-file-coding-system)))
5183 (setq charset gnus-newsgroup-charset))))
5185 (setq charset (or (cdr (assq arg
5186 gnus-summary-show-article-charset-alist))
5187 (mm-read-coding-system "Charset: ")))))
5188 (switch-to-buffer (generate-new-buffer filename))
5189 (if (or coding-system
5191 (setq coding-system (mm-charset-to-coding-system charset))
5192 (not (eq coding-system 'ascii))))
5194 (mm-enable-multibyte)
5195 (insert (mm-decode-coding-string contents coding-system))
5196 (setq buffer-file-coding-system
5197 (if (boundp 'last-coding-system-used)
5198 (symbol-value 'last-coding-system-used)
5200 (mm-disable-multibyte)
5202 (setq buffer-file-coding-system mm-binary-coding-system))
5203 ;; We do it this way to make `normal-mode' set the appropriate mode.
5206 (setq buffer-file-name (expand-file-name filename))
5208 (setq buffer-file-name nil))
5209 (goto-char (point-min)))))
5211 (defun gnus-mime-print-part (&optional handle filename)
5212 "Print the MIME part under point."
5213 (interactive (list nil (ps-print-preprint current-prefix-arg)))
5214 (gnus-article-check-buffer)
5215 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
5216 (contents (and handle (mm-get-part handle)))
5217 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
5218 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
5223 (mm-save-part-to-file handle file)
5224 (call-process shell-file-name nil
5225 (generate-new-buffer " *mm*")
5227 shell-command-switch
5229 printer file (mm-handle-type handle))))
5233 (gnus-print-buffer))
5234 (ps-despool filename)))))
5236 (defun gnus-mime-inline-part (&optional handle arg)
5237 "Insert the MIME part under point into the current buffer.
5238 Compressed files like .gz and .bz2 are decompressed."
5239 (interactive (list nil current-prefix-arg))
5240 (gnus-article-check-buffer)
5242 (setq handle (get-text-property (point) 'gnus-data)))
5245 (inhibit-read-only t)
5246 contents charset coding-system)
5247 (if (and (not arg) (mm-handle-undisplayer handle))
5248 (mm-remove-part handle)
5249 (mm-with-unibyte-buffer
5250 (mm-insert-part handle)
5252 (or (mm-decompress-buffer
5253 (or (mail-content-type-get (mm-handle-type handle)
5255 (mail-content-type-get (mm-handle-disposition handle)
5261 (unless (setq charset (mail-content-type-get
5262 (mm-handle-type handle) 'charset))
5263 (unless (setq coding-system
5264 (mm-with-unibyte-buffer
5266 (mm-find-buffer-file-coding-system)))
5267 (setq charset gnus-newsgroup-charset))))
5269 (if (mm-handle-undisplayer handle)
5270 (mm-remove-part handle))
5273 gnus-summary-show-article-charset-alist))
5274 (mm-read-coding-system "Charset: "))))
5276 (if (mm-handle-undisplayer handle)
5277 (mm-remove-part handle))))
5279 (mm-display-inline handle)
5282 (defun gnus-mime-set-charset-parameters (handle charset)
5283 "Set CHARSET to parameters in HANDLE.
5284 CHARSET may either be a string or a symbol."
5285 (unless (stringp charset)
5286 (setq charset (symbol-name charset)))
5287 (if (stringp (car handle))
5288 (dolist (h (cdr handle))
5289 (gnus-mime-set-charset-parameters h charset))
5290 (let* ((type (mm-handle-type (if (equal (mm-handle-media-type handle)
5291 "message/external-body")
5293 (unless (mm-handle-cache handle)
5294 (mm-extern-cache-contents handle))
5295 (mm-handle-cache handle))
5297 (param (assq 'charset (cdr type))))
5299 (setcdr param charset)
5300 (setcdr type (cons (cons 'charset charset) (cdr type)))))))
5302 (defun gnus-mime-view-part-as-charset (&optional handle arg)
5303 "Insert the MIME part under point into the current buffer using the
5305 (interactive (list nil current-prefix-arg))
5306 (gnus-article-check-buffer)
5307 (let ((handle (or handle (get-text-property (point) 'gnus-data)))
5308 (fun (get-text-property (point) 'gnus-callback))
5309 (gnus-newsgroup-ignored-charsets 'gnus-all)
5310 charset form preferred parts)
5317 gnus-summary-show-article-charset-alist))
5318 (mm-read-coding-system "Charset: "))))
5319 (if (mm-handle-undisplayer handle)
5320 (mm-remove-part handle)))
5321 (gnus-mime-set-charset-parameters handle charset)
5322 (when (and (consp (setq form (cdr-safe fun)))
5323 (setq form (ignore-errors
5324 (assq 'gnus-mime-display-alternative form)))
5325 (setq preferred (caddr form))
5327 (when (eq (car preferred) 'quote)
5328 (setq preferred (cadr preferred)))
5329 (not (equal preferred
5330 (get-text-property (point) 'gnus-data))))
5331 (setq parts (get-text-property (point) 'gnus-part))
5332 (setq parts (cdr (assq parts
5333 gnus-article-mime-handle-alist)))
5334 (equal (mm-handle-media-type parts) "multipart/alternative")
5335 (setq parts (reverse (cdr parts))))
5337 (list 'quote (or (cadr (member preferred parts))
5339 (funcall fun handle)))))
5341 (defun gnus-mime-view-part-externally (&optional handle)
5342 "View the MIME part under point with an external viewer."
5344 (gnus-article-check-buffer)
5345 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
5346 (mm-user-display-methods nil)
5347 (mm-inlined-types nil)
5348 (mail-parse-charset gnus-newsgroup-charset)
5349 (mail-parse-ignored-charsets
5350 (with-current-buffer gnus-summary-buffer
5351 gnus-newsgroup-ignored-charsets))
5352 (type (mm-handle-media-type handle))
5353 (method (mailcap-mime-info type))
5354 (mm-enable-external t))
5355 (if (not (stringp method))
5356 (gnus-mime-view-part-as-type
5357 nil (lambda (type) (stringp (mailcap-mime-info type))))
5359 (mm-display-part handle nil t)))))
5361 (defun gnus-mime-view-part-internally (&optional handle)
5362 "View the MIME part under point with an internal viewer.
5363 If no internal viewer is available, use an external viewer."
5365 (gnus-article-check-buffer)
5366 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
5367 (mm-inlined-types '(".*"))
5368 (mm-inline-large-images t)
5369 (mail-parse-charset gnus-newsgroup-charset)
5370 (mail-parse-ignored-charsets
5371 (with-current-buffer gnus-summary-buffer
5372 gnus-newsgroup-ignored-charsets))
5373 (inhibit-read-only t))
5374 (if (not (mm-inlinable-p handle))
5375 (gnus-mime-view-part-as-type
5376 nil (lambda (type) (mm-inlinable-p handle type)))
5378 (gnus-bind-safe-url-regexp (mm-display-part handle))))))
5380 (defun gnus-mime-action-on-part (&optional action)
5381 "Do something with the MIME attachment at \(point\)."
5383 (list (gnus-completing-read "Action" (mapcar 'car gnus-mime-action-alist) t)))
5384 (gnus-article-check-buffer)
5385 (let ((action-pair (assoc action gnus-mime-action-alist)))
5387 (funcall (cdr action-pair)))))
5389 (defun gnus-article-part-wrapper (n function &optional no-handle interactive)
5390 "Call FUNCTION on MIME part N.
5391 Unless NO-HANDLE, call FUNCTION with N-th MIME handle as it's only argument.
5392 If INTERACTIVE, call FUNCTION interactivly."
5394 ;; Check whether the article is displayed.
5395 (unless (and (gnus-buffer-live-p gnus-article-buffer)
5396 (setq window (get-buffer-window gnus-article-buffer t))
5397 (frame-visible-p (setq frame (window-frame window))))
5398 (error "No article is displayed"))
5399 (with-current-buffer gnus-article-buffer
5400 ;; Check whether the article displays the right contents.
5401 (unless (with-current-buffer gnus-summary-buffer
5402 (eq gnus-current-article (gnus-summary-article-number)))
5403 (error "You should select the right article first"))
5405 (setq n (prefix-numeric-value n))
5407 (setq n (or (get-text-property pt 'gnus-part)
5409 (get-text-property (1- pt) 'gnus-part))
5410 (get-text-property (prog2
5416 (or (and (setq pt (previous-single-property-change
5419 (next-single-property-change (point) 'gnus-part)
5423 ;; Check whether the specified part exists.
5424 (when (> n (length gnus-article-mime-handle-alist))
5425 (error "No such part")))
5428 ;; To select the window is needed so that the cursor
5429 ;; might be visible on the MIME button.
5430 (select-window (prog1
5432 (setq window (selected-window))
5433 ;; Article may be displayed in the other frame.
5434 (gnus-select-frame-set-input-focus
5437 (setq frame (selected-frame))))))
5438 (when (gnus-article-goto-part n)
5439 ;; We point the cursor and the arrow at the MIME button
5440 ;; when the `function' prompt the user for something.
5441 (unless (and (pos-visible-in-window-p)
5442 (> (count-lines (point) (window-end))
5443 (/ (1- (window-height)) 3)))
5444 (recenter (/ (1- (window-height)) 3)))
5445 (let ((cursor-in-non-selected-windows t)
5446 (overlay-arrow-string "=>")
5447 (overlay-arrow-position (point-marker)))
5450 ((and no-handle interactive)
5451 (call-interactively function))
5456 function (get-text-property (point) 'gnus-data)))
5459 (get-text-property (point) 'gnus-data))))
5460 (set-marker overlay-arrow-position nil)
5461 (unless gnus-auto-select-part
5462 (gnus-select-frame-set-input-focus frame)
5463 (select-window window))))
5465 (if gnus-inhibit-mime-unbuttonizing
5466 ;; This is the default though the program shouldn't reach here.
5467 (error "No such part")
5468 ;; The part which doesn't have the MIME button is selected.
5469 ;; So, we display all the buttons and redo it.
5470 (let ((gnus-inhibit-mime-unbuttonizing t))
5471 (gnus-summary-show-article)
5472 (gnus-article-part-wrapper n function no-handle))))))
5474 (defun gnus-article-pipe-part (n)
5475 "Pipe MIME part N, which is the numerical prefix."
5477 (gnus-article-part-wrapper n 'mm-pipe-part))
5479 (defun gnus-article-save-part (n)
5480 "Save MIME part N, which is the numerical prefix."
5482 (gnus-article-part-wrapper n 'mm-save-part))
5484 (defun gnus-article-interactively-view-part (n)
5485 "View MIME part N interactively, which is the numerical prefix."
5487 (gnus-article-part-wrapper n 'mm-interactively-view-part))
5489 (defun gnus-article-copy-part (n)
5490 "Copy MIME part N, which is the numerical prefix."
5492 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
5494 (defun gnus-article-view-part-as-charset (n)
5495 "View MIME part N using a specified charset.
5496 N is the numerical prefix."
5498 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
5500 (defun gnus-article-view-part-externally (n)
5501 "View MIME part N externally, which is the numerical prefix."
5503 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
5505 (defun gnus-article-inline-part (n)
5506 "Inline MIME part N, which is the numerical prefix."
5508 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
5510 (defun gnus-article-save-part-and-strip (n)
5511 "Save MIME part N and replace it with an external body.
5512 N is the numerical prefix."
5514 (gnus-article-part-wrapper n 'gnus-mime-save-part-and-strip t))
5516 (defun gnus-article-replace-part (n)
5517 "Replace MIME part N with an external body.
5518 N is the numerical prefix."
5520 (gnus-article-part-wrapper n 'gnus-mime-replace-part t t))
5522 (defun gnus-article-delete-part (n)
5523 "Delete MIME part N and add some information about the removed part.
5524 N is the numerical prefix."
5526 (gnus-article-part-wrapper n 'gnus-mime-delete-part t))
5528 (defun gnus-article-view-part-as-type (n)
5529 "Choose a MIME media type, and view part N as such.
5530 N is the numerical prefix."
5532 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-type t))
5534 (defun gnus-article-mime-match-handle-first (condition)
5537 (dolist (ihandle gnus-article-mime-handle-alist)
5539 ((functionp condition)
5540 (funcall condition (cdr ihandle)))
5541 ((eq condition 'undisplayed)
5542 (not (or (mm-handle-undisplayer (cdr ihandle))
5543 (equal (mm-handle-media-type (cdr ihandle))
5544 "multipart/alternative"))))
5545 ((eq condition 'undisplayed-alternative)
5546 (not (mm-handle-undisplayer (cdr ihandle))))
5548 (gnus-article-goto-part (car ihandle))
5549 (or (not n) (< (car ihandle) n)))
5550 (setq n (car ihandle))))
5554 (defun gnus-article-view-part (&optional n)
5555 "View MIME part N, which is the numerical prefix.
5556 If the part is already shown, hide the part. If N is nil, view
5559 (with-current-buffer gnus-article-buffer
5560 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
5561 gnus-article-mime-match-handle-function)))
5562 (when (> n (length gnus-article-mime-handle-alist))
5563 (error "No such part"))
5564 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
5565 (when (gnus-article-goto-part n)
5566 (if (equal (car handle) "multipart/alternative")
5567 (gnus-article-press-button)
5568 (when (eq (gnus-mm-display-part handle) 'internal)
5569 (gnus-set-window-start)))))))
5571 (defsubst gnus-article-mime-total-parts ()
5572 (if (bufferp (car gnus-article-mime-handles))
5574 (1- (length gnus-article-mime-handles))))
5576 (defun gnus-mm-display-part (handle)
5577 "Display HANDLE and fix MIME button."
5578 (let ((id (get-text-property (point) 'gnus-part))
5580 (inhibit-read-only t))
5583 (let ((window (selected-window))
5584 (mail-parse-charset gnus-newsgroup-charset)
5585 (mail-parse-ignored-charsets
5586 (if (gnus-buffer-live-p gnus-summary-buffer)
5587 (with-current-buffer gnus-summary-buffer
5588 gnus-newsgroup-ignored-charsets)
5592 (let ((win (gnus-get-buffer-window (current-buffer) t))
5595 (select-window win))
5598 (if (mm-handle-displayed-p handle)
5599 ;; This will remove the part.
5600 (mm-display-part handle)
5602 (narrow-to-region (point)
5603 (if (eobp) (point) (1+ (point))))
5604 (gnus-bind-safe-url-regexp (mm-display-part handle))
5605 ;; We narrow to the part itself and
5606 ;; then call the treatment functions.
5607 (goto-char (point-min))
5609 (narrow-to-region (point) (point-max))
5612 (gnus-article-mime-total-parts)
5613 (mm-handle-media-type handle)))))
5614 (if (window-live-p window)
5615 (select-window window)))))
5618 (gnus-insert-mime-button
5619 handle id (list (mm-handle-displayed-p handle)))
5620 (goto-char point))))
5622 (defun gnus-article-goto-part (n)
5623 "Go to MIME part N."
5624 (when gnus-break-pages
5627 (let ((start (text-property-any (point-min) (point-max) 'gnus-part n))
5628 part handle end next handles)
5631 (if (setq handle (get-text-property start 'gnus-data))
5633 ;; Go to the displayed subpart, assuming this is
5634 ;; multipart/alternative.
5637 (while (and (not handle)
5640 (setq next (text-property-not-all part end
5643 handle (get-text-property part 'gnus-data))
5644 (push (cons handle part) handles)
5645 (unless (mm-handle-displayed-p handle)
5647 part (text-property-any part end 'gnus-data nil))))
5649 ;; No subpart is displayed, so we find preferred one.
5651 (cdr (assq (mm-preferred-alternative
5652 (nreverse (mapcar 'car handles)))
5655 (goto-char (1+ part))
5657 (when gnus-break-pages
5658 (gnus-narrow-to-page))))
5660 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
5661 (let ((gnus-tmp-name
5662 (or (mail-content-type-get (mm-handle-type handle) 'name)
5663 (mail-content-type-get (mm-handle-disposition handle) 'filename)
5664 (mail-content-type-get (mm-handle-type handle) 'url)
5666 (gnus-tmp-type (mm-handle-media-type handle))
5667 (gnus-tmp-description (or (mm-handle-description handle) ""))
5669 (if (if displayed (car displayed)
5670 (mm-handle-displayed-p handle))
5672 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
5674 gnus-tmp-type-long b e)
5675 (when (string-match ".*/" gnus-tmp-name)
5676 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
5677 (setq gnus-tmp-type-long (concat gnus-tmp-type
5678 (and (not (equal gnus-tmp-name ""))
5679 (concat "; " gnus-tmp-name))))
5680 (unless (equal gnus-tmp-description "")
5681 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
5686 gnus-mime-button-line-format gnus-mime-button-line-format-alist
5687 `(keymap ,gnus-mime-button-map
5688 gnus-callback gnus-mm-display-part
5689 gnus-part ,gnus-tmp-id
5690 article-type annotation
5693 ;; Exclude a newline.
5696 (when gnus-article-button-face
5697 (gnus-overlay-put (gnus-make-overlay b e nil t)
5698 'face gnus-article-button-face))
5699 (widget-convert-button
5702 :action 'gnus-widget-press-button
5703 :button-keymap gnus-mime-button-map
5706 ;; Needed to properly clear the message due to a bug in
5707 ;; wid-edit (XEmacs only).
5708 (if (boundp 'help-echo-owns-message)
5709 (setq help-echo-owns-message t))
5711 "%S: %s the MIME part; %S: more options"
5712 (aref gnus-mouse-2 0)
5713 (if (mm-handle-displayed-p (widget-get widget :mime-handle))
5715 (aref gnus-down-mouse-3 0))))))
5717 (defun gnus-widget-press-button (elems el)
5718 (goto-char (widget-get elems :from))
5719 (gnus-article-press-button))
5721 (defvar gnus-displaying-mime nil)
5723 (defun gnus-display-mime (&optional ihandles)
5724 "Display the MIME parts."
5726 (save-selected-window
5727 (let ((window (get-buffer-window gnus-article-buffer))
5730 (select-window window)
5731 ;; We have to do this since selecting the window
5732 ;; may change the point. So we set the window point.
5733 (set-window-point window point)))
5734 (let ((handles ihandles)
5735 (inhibit-read-only t)
5738 ((setq handles (mm-dissect-buffer nil gnus-article-loose-mime))
5739 (when gnus-article-emulate-mime
5740 (mm-uu-dissect-text-parts handles)))
5741 (gnus-article-emulate-mime
5742 (setq handles (mm-uu-dissect))))
5743 (when (and (not ihandles)
5744 (not gnus-displaying-mime))
5745 ;; Top-level call; we clean up.
5746 (when gnus-article-mime-handles
5747 (mm-destroy-parts gnus-article-mime-handles)
5748 (setq gnus-article-mime-handle-alist nil));; A trick.
5749 (setq gnus-article-mime-handles handles)
5750 ;; We allow users to glean info from the handles.
5751 (when gnus-article-mime-part-function
5752 (gnus-mime-part-function handles)))
5754 (or (not (stringp (car handles)))
5757 (when (and (not ihandles)
5758 (not gnus-displaying-mime))
5759 ;; Clean up for mime parts.
5761 (delete-region (point) (point-max)))
5762 (let ((gnus-displaying-mime t))
5763 (gnus-mime-display-part handles)))
5766 (narrow-to-region (point) (point-max))
5767 (gnus-treat-article nil 1 1 "text/plain")
5770 ;; Highlight the headers.
5774 (narrow-to-region (point-min) (point))
5775 (gnus-article-save-original-date
5776 (gnus-treat-article 'head)))))))
5777 ;; Cope with broken MIME messages.
5778 (goto-char (point-max))
5782 (defcustom gnus-mime-display-multipart-as-mixed nil
5783 "Display \"multipart\" parts as \"multipart/mixed\".
5785 If t, it overrides nil values of
5786 `gnus-mime-display-multipart-alternative-as-mixed' and
5787 `gnus-mime-display-multipart-related-as-mixed'."
5788 :group 'gnus-article-mime
5791 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
5792 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
5794 :group 'gnus-article-mime
5797 (defcustom gnus-mime-display-multipart-related-as-mixed nil
5798 "Display \"multipart/related\" parts as \"multipart/mixed\".
5800 If displaying \"text/html\" is discouraged \(see
5801 `mm-discouraged-alternatives'\) images or other material inside a
5802 \"multipart/related\" part might be overlooked when this variable is nil."
5804 :group 'gnus-article-mime
5807 (defun gnus-mime-display-part (handle)
5809 ;; Maybe a broken MIME message.
5812 ((not (stringp (car handle)))
5813 (gnus-mime-display-single handle))
5814 ;; User-defined multipart
5815 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
5816 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
5818 ;; multipart/alternative
5819 ((and (equal (car handle) "multipart/alternative")
5820 (not (or gnus-mime-display-multipart-as-mixed
5821 gnus-mime-display-multipart-alternative-as-mixed)))
5822 (let ((id (1+ (length gnus-article-mime-handle-alist))))
5823 (push (cons id handle) gnus-article-mime-handle-alist)
5824 (gnus-mime-display-alternative (cdr handle) nil nil id)))
5825 ;; multipart/related
5826 ((and (equal (car handle) "multipart/related")
5827 (not (or gnus-mime-display-multipart-as-mixed
5828 gnus-mime-display-multipart-related-as-mixed)))
5829 ;;;!!!We should find the start part, but we just default
5830 ;;;!!!to the first part.
5831 ;;(gnus-mime-display-part (cadr handle))
5832 ;;;!!! Most multipart/related is an HTML message plus images.
5833 ;;;!!! Unfortunately we are unable to let W3 display those
5834 ;;;!!! included images, so we just display it as a mixed multipart.
5835 ;;(gnus-mime-display-mixed (cdr handle))
5836 ;;;!!! No, w3 can display everything just fine.
5837 (gnus-mime-display-part (cadr handle)))
5838 ((equal (car handle) "multipart/signed")
5839 (gnus-add-wash-type 'signed)
5840 (gnus-mime-display-security handle))
5841 ((equal (car handle) "multipart/encrypted")
5842 (gnus-add-wash-type 'encrypted)
5843 (gnus-mime-display-security handle))
5844 ;; Other multiparts are handled like multipart/mixed.
5846 (gnus-mime-display-mixed (cdr handle)))))
5848 (defun gnus-mime-part-function (handles)
5849 (if (stringp (car handles))
5850 (mapcar 'gnus-mime-part-function (cdr handles))
5851 (funcall gnus-article-mime-part-function handles)))
5853 (defun gnus-mime-display-mixed (handles)
5854 (mapcar 'gnus-mime-display-part handles))
5856 (defun gnus-mime-display-single (handle)
5857 (let ((type (mm-handle-media-type handle))
5858 (ignored gnus-ignored-mime-types)
5865 (when (string-match (pop ignored) type)
5866 (throw 'ignored nil)))
5867 (if (and (not (and (if (gnus-buffer-live-p gnus-summary-buffer)
5868 (with-current-buffer gnus-summary-buffer
5869 gnus-inhibit-images)
5870 gnus-inhibit-images)
5871 (string-match "\\`image/" type)))
5872 (setq not-attachment
5873 (and (not (mm-inline-override-p handle))
5874 (or (not (mm-handle-disposition handle))
5875 (equal (car (mm-handle-disposition handle))
5877 (mm-attachment-override-p handle))))
5878 (mm-automatic-display-p handle)
5880 (mm-inlinable-p handle)
5881 (mm-inlined-p handle))
5882 (mm-automatic-external-display-p type)))
5884 (when (equal (mm-handle-media-supertype handle) "text")
5886 (let ((id (1+ (length gnus-article-mime-handle-alist)))
5888 (push (cons id handle) gnus-article-mime-handle-alist)
5890 (equal (mm-handle-media-supertype handle) "message"))
5893 (cond ((not (bolp)) 2)
5894 ((or (bobp) (eq (char-before (1- (point))) ?\n)) 0)
5896 (when (or (not display)
5897 (not (gnus-unbuttonized-mime-type-p type))
5898 (eq id gnus-mime-buttonized-part-id))
5899 (gnus-insert-mime-button
5900 handle id (list (or display (and not-attachment text))))
5901 (gnus-article-insert-newline)
5902 ;; Remember modify the number of forward lines.
5910 (let ((mail-parse-charset gnus-newsgroup-charset)
5911 (mail-parse-ignored-charsets
5912 (save-excursion (condition-case ()
5913 (set-buffer gnus-summary-buffer)
5915 gnus-newsgroup-ignored-charsets)))
5916 (gnus-bind-safe-url-regexp (mm-display-part handle t)))
5917 (goto-char (point-max)))
5918 ((and text not-attachment)
5922 (gnus-article-insert-newline)
5923 (mm-display-inline handle)
5924 (goto-char (point-max))))
5928 (narrow-to-region beg (point))
5929 (if (eq handle gnus-article-mime-handles)
5930 ;; The format=flowed case.
5931 (gnus-treat-article nil 1 1 (mm-handle-media-type handle))
5932 ;; Don't count signature parts that are never displayed.
5933 ;; The part number should be re-calculated supposing this
5934 ;; might be a message/rfc822 part.
5936 (dolist (part gnus-article-mime-handles)
5937 (unless (or (stringp part)
5938 (equal (car (mm-handle-type part))
5939 "application/pgp-signature"))
5940 (push part handles)))
5942 nil (length (memq handle handles)) (length handles)
5943 (mm-handle-media-type handle)))))))))))
5945 (defun gnus-unbuttonized-mime-type-p (type)
5946 "Say whether TYPE is to be unbuttonized."
5947 (unless gnus-inhibit-mime-unbuttonizing
5949 (let ((types gnus-unbuttonized-mime-types))
5951 (when (string-match (pop types) type)
5952 (throw 'found t)))))
5954 (let ((types gnus-buttonized-mime-types))
5956 (when (string-match (pop types) type)
5957 (throw 'found t)))))))))
5959 (defun gnus-article-insert-newline ()
5960 "Insert a newline, but mark it as undeletable."
5961 (gnus-put-text-property
5962 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
5964 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
5965 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
5968 handle (inhibit-read-only t) from props begend not-pref)
5969 (save-window-excursion
5972 (narrow-to-region (car ibegend)
5975 (goto-char (car ibegend))
5978 (delete-region (point-min) (point-max))
5979 (mm-remove-parts handles))
5980 (setq begend (list (point-marker)))
5982 (unless (setq not-pref (cadr (member preferred ihandles)))
5983 (setq not-pref (car ihandles)))
5986 (not (gnus-unbuttonized-mime-type-p
5987 "multipart/alternative")))
5988 (gnus-add-text-properties
5991 (insert (format "%d. " id))
5995 (unless ,(not ibegend)
5996 (setq gnus-article-mime-handle-alist
5997 ',gnus-article-mime-handle-alist))
5998 (gnus-mime-display-alternative
5999 ',ihandles ',not-pref ',begend ,id))
6000 keymap ,gnus-mime-button-map
6001 ,gnus-mouse-face-prop ,gnus-article-mouse-face
6002 face ,gnus-article-button-face
6004 article-type multipart))
6005 (widget-convert-button 'link from (point)
6006 :action 'gnus-widget-press-button
6007 :button-keymap gnus-widget-button-keymap)
6009 (while (setq handle (pop handles))
6010 (gnus-add-text-properties
6013 (insert (format "(%c) %-18s"
6014 (if (equal handle preferred) ?* ? )
6015 (mm-handle-media-type handle)))
6019 (unless ,(not ibegend)
6020 (setq gnus-article-mime-handle-alist
6021 ',gnus-article-mime-handle-alist))
6022 (gnus-mime-display-alternative
6023 ',ihandles ',handle ',begend ,id))
6024 keymap ,gnus-mime-button-map
6025 ,gnus-mouse-face-prop ,gnus-article-mouse-face
6026 face ,gnus-article-button-face
6029 (widget-convert-button 'link from (point)
6030 :action 'gnus-widget-press-button
6031 :button-keymap gnus-widget-button-keymap)
6035 (if (stringp (car preferred))
6036 (gnus-display-mime preferred)
6037 (let ((mail-parse-charset gnus-newsgroup-charset)
6038 (mail-parse-ignored-charsets
6039 (with-current-buffer gnus-summary-buffer
6040 gnus-newsgroup-ignored-charsets)))
6041 (gnus-bind-safe-url-regexp (mm-display-part preferred))
6045 (narrow-to-region (car begend) (point-max))
6047 nil (length gnus-article-mime-handle-alist)
6048 (gnus-article-mime-total-parts)
6049 (mm-handle-media-type preferred))))))
6050 (goto-char (point-max))
6051 (setcdr begend (point-marker)))))
6053 (goto-char point))))
6055 (defconst gnus-article-wash-status-strings
6056 (let ((alist '((cite "c" "Possible hidden citation text"
6057 " " "All citation text visible")
6058 (headers "h" "Hidden headers"
6059 " " "All headers visible.")
6060 (pgp "p" "Encrypted or signed message status hidden"
6061 " " "No hidden encryption nor digital signature status")
6062 (signature "s" "Signature has been hidden"
6063 " " "Signature is visible")
6064 (overstrike "o" "Overstrike (^H) characters applied"
6065 " " "No overstrike characters applied")
6066 (emphasis "e" "/*_Emphasis_*/ characters applied"
6067 " " "No /*_emphasis_*/ characters applied")))
6069 (dolist (entry alist result)
6070 (let ((key (nth 0 entry))
6071 (on (copy-sequence (nth 1 entry)))
6072 (on-help (nth 2 entry))
6073 (off (copy-sequence (nth 3 entry)))
6074 (off-help (nth 4 entry)))
6075 (put-text-property 0 1 'help-echo on-help on)
6076 (put-text-property 0 1 'help-echo off-help off)
6077 (push (list key on off) result))))
6078 "Alist of strings describing wash status in the mode line.
6079 Each entry has the form (KEY ON OF), where the KEY is a symbol
6080 representing the particular washing function, ON is the string to use
6081 in the article mode line when the washing function is active, and OFF
6082 is the string to use when it is inactive.")
6084 (defun gnus-article-wash-status-entry (key value)
6085 (let ((entry (assoc key gnus-article-wash-status-strings)))
6086 (if value (nth 1 entry) (nth 2 entry))))
6088 (defun gnus-article-wash-status ()
6089 "Return a string which display status of article washing."
6090 (with-current-buffer gnus-article-buffer
6091 (let ((cite (memq 'cite gnus-article-wash-types))
6092 (headers (memq 'headers gnus-article-wash-types))
6093 (boring (memq 'boring-headers gnus-article-wash-types))
6094 (pgp (memq 'pgp gnus-article-wash-types))
6095 (pem (memq 'pem gnus-article-wash-types))
6096 (signed (memq 'signed gnus-article-wash-types))
6097 (encrypted (memq 'encrypted gnus-article-wash-types))
6098 (signature (memq 'signature gnus-article-wash-types))
6099 (overstrike (memq 'overstrike gnus-article-wash-types))
6100 (emphasis (memq 'emphasis gnus-article-wash-types)))
6102 (gnus-article-wash-status-entry 'cite cite)
6103 (gnus-article-wash-status-entry 'headers (or headers boring))
6104 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
6105 (gnus-article-wash-status-entry 'signature signature)
6106 (gnus-article-wash-status-entry 'overstrike overstrike)
6107 (gnus-article-wash-status-entry 'emphasis emphasis)))))
6109 (defun gnus-add-wash-type (type)
6110 "Add a washing of TYPE to the current status."
6111 (add-to-list 'gnus-article-wash-types type))
6113 (defun gnus-delete-wash-type (type)
6114 "Add a washing of TYPE to the current status."
6115 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
6117 (defun gnus-add-image (category image)
6118 "Add IMAGE of CATEGORY to the list of displayed images."
6119 (let ((entry (assq category gnus-article-image-alist)))
6121 (setq entry (list category))
6122 (push entry gnus-article-image-alist))
6123 (nconc entry (list image))))
6125 (defun gnus-delete-images (category)
6126 "Delete all images in CATEGORY."
6127 (let ((entry (assq category gnus-article-image-alist)))
6128 (dolist (image (cdr entry))
6129 (gnus-remove-image image category))
6130 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
6131 (gnus-delete-wash-type category)))
6133 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
6135 (defun gnus-article-maybe-hide-headers ()
6136 "Hide unwanted headers if `gnus-have-all-headers' is nil.
6137 Provided for backwards compatibility."
6138 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
6139 (not (with-current-buffer gnus-summary-buffer
6140 gnus-have-all-headers)))
6141 (not gnus-inhibit-hiding))
6142 (gnus-article-hide-headers)))
6146 (defun gnus-output-to-file (file-name)
6147 "Append the current article to a file named FILE-NAME.
6148 If `gnus-article-save-coding-system' is non-nil, it is used to encode
6149 text and used as the value of the coding cookie which is added to the
6150 top of a file. Otherwise, this function saves a raw article without
6152 (let* ((artbuf (current-buffer))
6153 (file-name-coding-system nnmail-pathname-coding-system)
6154 (coding gnus-article-save-coding-system)
6155 (coding-system-for-read (if coding
6156 nil ;; Rely on the coding cookie.
6157 mm-text-coding-system))
6158 (coding-system-for-write (or coding
6159 mm-text-coding-system-for-write
6160 mm-text-coding-system))
6161 (exists (file-exists-p file-name)))
6164 (insert-file-contents file-name)
6165 (goto-char (point-min))
6166 ;; Remove the existing coding cookie.
6167 (when (looking-at "X-Gnus-Coding-System: .+\n\n")
6168 (delete-region (match-beginning 0) (match-end 0))))
6169 (goto-char (point-max))
6170 (insert-buffer-substring artbuf)
6171 ;; Append newline at end of the buffer as separator, and then
6173 (goto-char (point-max))
6176 ;; If the coding system is not suitable to encode the text,
6177 ;; ask a user for a proper one.
6178 (when (fboundp 'select-safe-coding-system)
6179 (setq coding (coding-system-base
6180 (save-window-excursion
6181 (select-safe-coding-system (point-min) (point-max)
6183 (setq coding-system-for-write
6184 (or (cdr (assq coding '((mule-utf-8 . utf-8))))
6186 (goto-char (point-min))
6187 ;; Add the coding cookie.
6188 (insert (format "X-Gnus-Coding-System: -*- coding: %s; -*-\n\n"
6189 coding-system-for-write)))
6192 (write-region (point-min) (point-max) file-name nil 'no-message)
6193 (message "Appended to %s" file-name))
6194 (write-region (point-min) (point-max) file-name))))
6197 (defun gnus-narrow-to-page (&optional arg)
6198 "Narrow the article buffer to a page.
6199 If given a numerical ARG, move forward ARG pages."
6201 (setq arg (if arg (prefix-numeric-value arg) 0))
6202 (with-current-buffer gnus-article-buffer
6204 ;; Remove any old next/prev buttons.
6205 (when (gnus-visual-p 'page-marker)
6206 (let ((inhibit-read-only t))
6207 (gnus-remove-text-with-property 'gnus-prev)
6208 (gnus-remove-text-with-property 'gnus-next)))
6210 (when (save-excursion
6212 (if (re-search-backward page-delimiter nil 'move (abs arg))
6214 (setq nd (match-beginning 0)
6216 (when (re-search-backward page-delimiter nil t)
6217 (setq st (match-end 0))))
6218 (when (re-search-forward page-delimiter nil t)
6219 (setq nd (match-beginning 0)
6222 (if (re-search-forward page-delimiter nil 'move arg)
6224 (setq st (match-end 0)
6226 (when (re-search-forward page-delimiter nil t)
6227 (setq nd (match-beginning 0))))
6228 (when (re-search-backward page-delimiter nil t)
6229 (setq st (match-end 0)
6232 (when (re-search-backward page-delimiter nil t)
6233 (goto-char (setq st (match-end 0))))
6234 (when (re-search-forward page-delimiter nil t)
6235 (setq nd (match-beginning 0)))
6237 (setq gnus-page-broken t)
6238 (when pt (goto-char pt))
6239 (narrow-to-region (or st (point-min)) (or nd (point-max)))
6240 (when (gnus-visual-p 'page-marker)
6244 (gnus-insert-next-page-button))
6247 (gnus-insert-prev-page-button))))))))
6249 ;; Article mode commands
6251 (defun gnus-article-goto-next-page ()
6252 "Show the next page of the article."
6254 (when (gnus-article-next-page)
6255 (goto-char (point-min))
6256 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
6259 (defun gnus-article-goto-prev-page ()
6260 "Show the previous page of the article."
6262 (if (save-restriction (widen) (bobp)) ;; Real beginning-of-buffer?
6263 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
6264 (gnus-article-prev-page nil)))
6266 ;; This is cleaner but currently breaks `gnus-pick-mode':
6268 ;; (defun gnus-article-goto-next-page ()
6269 ;; "Show the next page of the article."
6271 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
6272 ;; (gnus-summary-next-page)))
6274 ;; (defun gnus-article-goto-prev-page ()
6275 ;; "Show the next page of the article."
6277 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
6278 ;; (gnus-summary-prev-page)))
6280 (defun gnus-article-next-page (&optional lines)
6281 "Show the next page of the current article.
6282 If end of article, return non-nil. Otherwise return nil.
6283 Argument LINES specifies lines to be scrolled up."
6285 (move-to-window-line (if (featurep 'xemacs) -1 (- -1 scroll-margin)))
6286 (if (and (not (and gnus-article-over-scroll
6287 (> (count-lines (window-start) (point-max))
6288 (if (featurep 'xemacs)
6289 (or lines (1- (window-height)))
6290 (+ (or lines (1- (window-height))) scroll-margin)))))
6293 (and (pos-visible-in-window-p) ;Not continuation line.
6294 (>= (point) (point-max)))))
6295 ;; Nothing in this page.
6296 (if (or (not gnus-page-broken)
6301 (eobp)))) ;Real end-of-buffer?
6303 (when gnus-article-over-scroll
6304 (gnus-article-next-page-1 lines))
6306 (gnus-narrow-to-page 1) ;Go to next page.
6308 ;; More in this page.
6309 (gnus-article-next-page-1 lines)
6312 (defun gnus-article-beginning-of-window ()
6313 "Move point to the beginning of the window.
6314 In Emacs, the point is placed at the line number which `scroll-margin'
6316 (if (featurep 'xemacs)
6317 (move-to-window-line 0)
6318 ;; There is an obscure bug in Emacs that makes it impossible to
6319 ;; scroll past big pictures in the article buffer. Try to fix
6320 ;; this by adding a sanity check by counting the lines visible.
6321 (when (> (count-lines (window-start) (window-end)) 30)
6322 (move-to-window-line
6323 (min (max 0 scroll-margin)
6324 (max 1 (- (window-height)
6325 (if mode-line-format 1 0)
6326 (if header-line-format 1 0)
6329 (defun gnus-article-next-page-1 (lines)
6331 (let ((scroll-in-place nil))
6334 ;; Long lines may cause an end-of-buffer error.
6335 (goto-char (point-max))))
6336 (gnus-article-beginning-of-window))
6338 (defun gnus-article-prev-page (&optional lines)
6339 "Show previous page of current article.
6340 Argument LINES specifies lines to be scrolled down."
6342 (move-to-window-line 0)
6343 (if (and gnus-page-broken
6345 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
6347 (gnus-narrow-to-page -1) ;Go to previous page.
6348 (goto-char (point-max))
6349 (recenter (if gnus-article-over-scroll
6351 (max (if (featurep 'xemacs)
6353 (+ lines scroll-margin))
6355 (- (window-height) 2))
6359 (let ((scroll-in-place nil))
6360 (scroll-down lines))
6361 (beginning-of-buffer
6362 (goto-char (point-min))))
6363 (gnus-article-beginning-of-window))))
6365 (defun gnus-article-only-boring-p ()
6366 "Decide whether there is only boring text remaining in the article.
6367 Something \"interesting\" is a word of at least two letters that does
6368 not have a face in `gnus-article-boring-faces'."
6369 (when (and gnus-article-skip-boring
6370 (boundp 'gnus-article-boring-faces)
6371 (symbol-value 'gnus-article-boring-faces))
6373 (let ((inhibit-point-motion-hooks t))
6375 (while (re-search-forward "\\b\\w\\w" nil t)
6377 (when (not (gnus-intersection
6378 (gnus-faces-at (point))
6379 (symbol-value 'gnus-article-boring-faces)))
6380 (throw 'only-boring nil)))
6381 (throw 'only-boring t))))))
6383 (defun gnus-article-refer-article ()
6384 "Read article specified by message-id around point."
6387 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
6388 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
6389 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
6390 (let ((msg-id (concat "<" (match-string 0) ">")))
6391 (set-buffer gnus-summary-buffer)
6392 (gnus-summary-refer-article msg-id))
6393 (error "No references around point"))))
6395 (defun gnus-article-show-summary ()
6396 "Reconfigure windows to show summary buffer."
6398 (if (not (gnus-buffer-live-p gnus-summary-buffer))
6399 (error "There is no summary buffer for this article buffer")
6400 (gnus-article-set-globals)
6401 (gnus-configure-windows 'article)
6402 (gnus-summary-goto-subject gnus-current-article)
6403 (gnus-summary-position-point)))
6405 (defun gnus-article-describe-briefly ()
6406 "Describe article mode commands briefly."
6408 (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")))
6410 (defun gnus-article-check-buffer ()
6411 "Beep if not in an article buffer."
6412 (unless (equal major-mode 'gnus-article-mode)
6413 (error "Command invoked outside of a Gnus article buffer")))
6415 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
6416 "Read a summary buffer key sequence and execute it from the article buffer."
6418 (gnus-article-check-buffer)
6420 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
6421 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
6422 "=" "^" "\M-^" "|"))
6424 '("A " "A<" "A>" "AM" "AP" "AR" "AT" "A\C-?" "A\M-\r" "A\r" "Ab" "Ae"
6425 "An" "Ap" [?A (meta return)] [?A delete]))
6429 '("n" "Gn" "p" "Gp"))
6431 (with-current-buffer gnus-article-current-summary
6432 (let (gnus-pick-mode)
6433 (setq unread-command-events (nconc unread-command-events
6434 (list (or key last-command-event)))
6435 keys (if (featurep 'xemacs)
6436 (events-to-keys (read-key-sequence nil t))
6437 (read-key-sequence nil t)))))
6442 ((eq (aref keys (1- (length keys))) ?\C-h)
6443 (gnus-article-describe-bindings (substring keys 0 -1)))
6444 ((or (member keys nosaves)
6445 (member keys nosave-but-article)
6446 (member keys nosave-in-article))
6448 (save-window-excursion
6449 (pop-to-buffer gnus-article-current-summary)
6450 ;; We disable the pick minor mode commands.
6451 (let (gnus-pick-mode)
6452 (setq func (key-binding keys t))))
6456 (unless (member keys nosave-in-article)
6457 (set-buffer gnus-article-current-summary))
6458 (when (get func 'disabled)
6459 (error "Function %s disabled" func))
6460 (call-interactively func)
6461 (setq new-sum-point (point)))
6462 (when (member keys nosave-but-article)
6463 (pop-to-buffer gnus-article-buffer))))
6465 ;; These commands should restore window configuration.
6466 (let ((obuf (current-buffer))
6467 (owin (current-window-configuration))
6468 win func in-buffer selected new-sum-start new-sum-hscroll err)
6469 (cond (not-restore-window
6470 (pop-to-buffer gnus-article-current-summary)
6471 (setq win (selected-window)))
6472 ((setq win (get-buffer-window gnus-article-current-summary))
6473 (select-window win))
6475 (let ((summary-buffer gnus-article-current-summary))
6476 (gnus-configure-windows 'article)
6477 (unless (setq win (get-buffer-window summary-buffer 'visible))
6478 (let ((gnus-buffer-configuration
6479 '((article ((vertical 1.0
6480 (summary 0.25 point)
6482 (gnus-configure-windows 'article))
6483 (setq win (get-buffer-window summary-buffer 'visible)))
6484 (gnus-select-frame-set-input-focus (window-frame win))
6485 (select-window win))))
6486 (setq in-buffer (current-buffer))
6487 ;; We disable the pick minor mode commands.
6488 (setq func (let (gnus-pick-mode)
6489 (key-binding keys t)))
6490 (when (get func 'disabled)
6491 (error "Function %s disabled" func))
6494 (condition-case code
6496 (call-interactively func)
6502 (when (eq win (selected-window))
6503 (setq new-sum-point (point)
6504 new-sum-start (window-start win)
6505 new-sum-hscroll (window-hscroll win)))
6506 (when (or (eq in-buffer (current-buffer))
6507 (when (eq obuf (current-buffer))
6508 (set-buffer in-buffer)
6510 (setq selected (gnus-summary-select-article))
6512 (unless not-restore-window
6513 (set-window-configuration owin))
6514 (when (and (eq selected 'old)
6516 (set-window-start (get-buffer-window (current-buffer))
6518 (set-window-point (get-buffer-window (current-buffer))
6519 (if (article-goto-body)
6522 (when (and (not not-restore-window)
6525 (with-current-buffer (window-buffer win)
6526 (eq major-mode 'gnus-summary-mode)))
6527 (set-window-point win new-sum-point)
6528 (set-window-start win new-sum-start)
6529 (set-window-hscroll win new-sum-hscroll))))
6530 (set-window-configuration owin)
6532 (signal (car err) (cdr err))
6535 (defun gnus-article-read-summary-send-keys ()
6537 (let ((unread-command-events (list (gnus-character-to-event ?S))))
6538 (gnus-article-read-summary-keys)))
6540 (defun gnus-article-describe-key (key)
6541 "Display documentation of the function invoked by KEY.
6542 KEY is a string or a vector."
6543 (interactive (list (let ((cursor-in-echo-area t)) ;; better for XEmacs.
6544 (read-key-sequence "Describe key: "))))
6545 (gnus-article-check-buffer)
6546 (if (memq (key-binding key t) '(gnus-article-read-summary-keys
6547 gnus-article-read-summary-send-keys))
6548 (with-current-buffer gnus-article-current-summary
6549 (setq unread-command-events
6550 (if (featurep 'xemacs)
6552 (mapcar (lambda (x) (if (and (integerp x) (>= x 128))
6553 (list 'meta (- x 128))
6556 (let ((cursor-in-echo-area t)
6558 (describe-key (read-key-sequence nil t))))
6559 (describe-key key)))
6561 (defun gnus-article-describe-key-briefly (key &optional insert)
6562 "Display documentation of the function invoked by KEY.
6563 KEY is a string or a vector."
6564 (interactive (list (let ((cursor-in-echo-area t)) ;; better for XEmacs.
6565 (read-key-sequence "Describe key: "))
6566 current-prefix-arg))
6567 (gnus-article-check-buffer)
6568 (if (memq (key-binding key t) '(gnus-article-read-summary-keys
6569 gnus-article-read-summary-send-keys))
6570 (with-current-buffer gnus-article-current-summary
6571 (setq unread-command-events
6572 (if (featurep 'xemacs)
6574 (mapcar (lambda (x) (if (and (integerp x) (>= x 128))
6575 (list 'meta (- x 128))
6578 (let ((cursor-in-echo-area t)
6580 (describe-key-briefly (read-key-sequence nil t) insert)))
6581 (describe-key-briefly key insert)))
6583 ;;`gnus-agent-mode' in gnus-agent.el will define it.
6584 (defvar gnus-agent-summary-mode)
6585 (defvar gnus-draft-mode)
6586 ;; Calling help-buffer will autoload help-mode.
6587 (defvar help-xref-stack-item)
6588 ;; Emacs 22 doesn't load it in the batch mode.
6590 (autoload 'help-buffer "help-mode"))
6592 (defun gnus-article-describe-bindings (&optional prefix)
6593 "Show a list of all defined keys, and their definitions.
6594 The optional argument PREFIX, if non-nil, should be a key sequence;
6595 then we display only bindings that start with that prefix."
6597 (gnus-article-check-buffer)
6598 (let ((keymap (copy-keymap gnus-article-mode-map))
6599 (map (copy-keymap gnus-article-send-map))
6600 (sumkeys (where-is-internal 'gnus-article-read-summary-keys))
6602 (define-key keymap "S" map)
6603 (define-key map [t] nil)
6604 (with-current-buffer gnus-article-current-summary
6607 (if (setq parent (keymap-parent gnus-article-mode-map))
6609 (setq parent (copy-keymap parent))
6610 (set-keymap-parent parent (current-local-map)))
6611 (current-local-map)))
6612 (set-keymap-parent map (key-binding "S"))
6613 (let (key def gnus-pick-mode)
6615 (setq key (pop sumkeys))
6616 (cond ((and (vectorp key) (= (length key) 1)
6617 (consp (setq def (aref key 0)))
6618 (numberp (car def)) (numberp (cdr def)))
6619 (when (< (max (car def) (cdr def)) 128)
6623 (nreverse (gnus-uncompress-range def)))
6625 ((setq def (key-binding key))
6626 (unless (eq def 'undefined)
6627 (define-key keymap key def))))))
6628 (when (boundp 'gnus-agent-summary-mode)
6629 (setq agent gnus-agent-summary-mode))
6630 (when (boundp 'gnus-draft-mode)
6631 (setq draft gnus-draft-mode)))
6633 (use-local-map keymap)
6634 (set (make-local-variable 'gnus-agent-summary-mode) agent)
6635 (set (make-local-variable 'gnus-draft-mode) draft)
6636 (describe-bindings prefix))
6637 (let ((item `((lambda (prefix)
6638 (with-current-buffer ,(current-buffer)
6639 (gnus-article-describe-bindings prefix)))
6641 (with-current-buffer (let (help-xref-following) (help-buffer))
6642 (setq help-xref-stack-item item)))))
6644 (defun gnus-article-reply-with-original (&optional wide)
6645 "Start composing a reply mail to the current message.
6646 The text in the region will be yanked. If the region isn't active,
6647 the entire article will be yanked."
6649 (let ((article (cdr gnus-article-current))
6651 (if (not (gnus-region-active-p))
6652 (with-current-buffer gnus-summary-buffer
6653 (gnus-summary-reply (list (list article)) wide))
6654 (setq contents (buffer-substring (point) (mark t)))
6655 ;; Deactivate active regions.
6656 (when (and (boundp 'transient-mark-mode)
6657 transient-mark-mode)
6658 (setq mark-active nil))
6659 (with-current-buffer gnus-summary-buffer
6661 (list (list article contents)) wide)))))
6663 (defun gnus-article-wide-reply-with-original ()
6664 "Start composing a wide reply mail to the current message.
6665 The text in the region will be yanked. If the region isn't active,
6666 the entire article will be yanked."
6668 (gnus-article-reply-with-original t))
6670 (defun gnus-article-followup-with-original ()
6671 "Compose a followup to the current article.
6672 The text in the region will be yanked. If the region isn't active,
6673 the entire article will be yanked."
6675 (let ((article (cdr gnus-article-current))
6677 (if (not (gnus-region-active-p))
6678 (with-current-buffer gnus-summary-buffer
6679 (gnus-summary-followup (list (list article))))
6680 (setq contents (buffer-substring (point) (mark t)))
6681 ;; Deactivate active regions.
6682 (when (and (boundp 'transient-mark-mode)
6683 transient-mark-mode)
6684 (setq mark-active nil))
6685 (with-current-buffer gnus-summary-buffer
6686 (gnus-summary-followup
6687 (list (list article contents)))))))
6689 (defun gnus-article-hide (&optional arg force)
6690 "Hide all the gruft in the current article.
6691 This means that signatures, cited text and (some) headers will be
6693 If given a prefix, show the hidden text instead."
6694 (interactive (append (gnus-article-hidden-arg) (list 'force)))
6695 (gnus-article-hide-headers arg)
6696 (gnus-article-hide-list-identifiers arg)
6697 (gnus-article-hide-citation-maybe arg force)
6698 (gnus-article-hide-signature arg))
6700 (defun gnus-article-maybe-highlight ()
6701 "Do some article highlighting if article highlighting is requested."
6702 (when (gnus-visual-p 'article-highlight 'highlight)
6703 (gnus-article-highlight-some)))
6705 (defun gnus-check-group-server ()
6706 ;; Make sure the connection to the server is alive.
6707 (unless (gnus-server-opened
6708 (gnus-find-method-for-group gnus-newsgroup-name))
6709 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
6710 (gnus-request-group gnus-newsgroup-name t)))
6713 (autoload 'nneething-get-file-name "nneething"))
6715 (defun gnus-request-article-this-buffer (article group)
6716 "Get an article and insert it into this buffer."
6717 (let (do-update-line sparse-header)
6721 (gnus-kill-all-overlays)
6722 (setq group (or group gnus-newsgroup-name))
6724 ;; Using `gnus-request-article' directly will insert the article into
6725 ;; `nntp-server-buffer' - so we'll save some time by not having to
6726 ;; copy it from the server buffer into the article buffer.
6728 ;; We only request an article by message-id when we do not have the
6729 ;; headers for it, so we'll have to get those.
6730 (when (stringp article)
6731 (gnus-read-header article))
6733 ;; If the article number is negative, that means that this article
6734 ;; doesn't belong in this newsgroup (possibly), so we find its
6735 ;; message-id and request it by id instead of number.
6736 (when (and (numberp article)
6738 (get-buffer gnus-summary-buffer)
6739 (gnus-buffer-exists-p gnus-summary-buffer))
6740 (with-current-buffer gnus-summary-buffer
6741 (let ((header (gnus-summary-article-header article)))
6744 ((memq article gnus-newsgroup-sparse)
6745 ;; This is a sparse gap article.
6746 (setq do-update-line article)
6747 (setq article (mail-header-id header))
6748 (setq sparse-header (gnus-read-header article))
6749 (setq gnus-newsgroup-sparse
6750 (delq article gnus-newsgroup-sparse)))
6752 ;; It's a real article.
6753 (setq article (mail-header-id header)))
6755 ;; It is an extracted pseudo-article.
6756 (setq article 'pseudo)
6757 (gnus-request-pseudo-article header))))
6759 (let ((method (gnus-find-method-for-group
6760 gnus-newsgroup-name)))
6761 (when (and (eq (car method) 'nneething)
6763 (let ((dir (nneething-get-file-name
6764 (mail-header-id header))))
6765 (when (and (stringp dir)
6766 (file-directory-p dir))
6767 (setq article 'nneething)
6768 (gnus-group-enter-directory dir))))))))
6771 ;; Refuse to select canceled articles.
6772 ((and (numberp article)
6774 (get-buffer gnus-summary-buffer)
6775 (gnus-buffer-exists-p gnus-summary-buffer)
6776 (eq (cdr (with-current-buffer gnus-summary-buffer
6777 (assq article gnus-newsgroup-reads)))
6778 gnus-canceled-mark))
6780 ;; We first check `gnus-original-article-buffer'.
6781 ((and (get-buffer gnus-original-article-buffer)
6783 (with-current-buffer gnus-original-article-buffer
6784 (and (equal (car gnus-original-article) group)
6785 (eq (cdr gnus-original-article) article))))
6786 ;; `insert-buffer-substring' would incorrectly use the
6787 ;; equivalent of string-make-multibyte which amount to decoding
6788 ;; with locale-coding-system, causing failure of
6789 ;; subsequent decoding.
6790 (insert (mm-string-to-multibyte
6791 (with-current-buffer gnus-original-article-buffer
6792 (buffer-substring (point-min) (point-max)))))
6794 ;; Check the backlog.
6795 ((and gnus-keep-backlog
6796 (gnus-backlog-request-article group article (current-buffer)))
6798 ;; Check asynchronous pre-fetch.
6799 ((gnus-async-request-fetched-article group article (current-buffer))
6800 (gnus-async-prefetch-next group article gnus-summary-buffer)
6801 (when (and (numberp article) gnus-keep-backlog)
6802 (gnus-backlog-enter-article group article (current-buffer)))
6805 ((and gnus-use-cache
6807 (gnus-cache-request-article article group))
6809 ;; Check the agent cache.
6810 ((gnus-agent-request-article article group)
6812 ;; Get the article and put into the article buffer.
6813 ((or (stringp article)
6815 (let ((gnus-override-method gnus-override-method)
6816 (methods (and (stringp article)
6817 gnus-refer-article-method))
6818 (backend (car (gnus-find-method-for-group
6819 gnus-newsgroup-name)))
6821 (inhibit-read-only t))
6822 (if (or (not (listp methods))
6823 (and (symbolp (car methods))
6824 (assq (car methods) nnoo-definition-alist)))
6825 (setq methods (list methods)))
6826 (when (and (null gnus-override-method)
6828 (setq gnus-override-method (pop methods)))
6830 (when (eq gnus-override-method 'current)
6831 (setq gnus-override-method
6832 (with-current-buffer gnus-summary-buffer
6833 gnus-current-select-method)))
6835 (gnus-kill-all-overlays)
6836 (let ((gnus-newsgroup-name group))
6837 (gnus-check-group-server))
6839 ((gnus-request-article article group (current-buffer))
6840 (when (numberp article)
6841 (gnus-async-prefetch-next group article
6842 gnus-summary-buffer)
6843 (when gnus-keep-backlog
6844 (gnus-backlog-enter-article
6845 group article (current-buffer))))
6846 (setq result 'article))
6848 (setq gnus-override-method (pop methods)))
6849 ((not (string-match "^400 "
6850 (nnheader-get-report backend)))
6851 ;; If we get 400 server disconnect, reconnect and
6852 ;; retry; otherwise, assume the article has expired.
6853 (setq result 'done))))
6854 (and (eq result 'article) 'article)))
6858 ;; Associate this article with the current summary buffer.
6859 (setq gnus-article-current-summary gnus-summary-buffer)
6861 ;; Take the article from the original article buffer
6862 ;; and place it in the buffer it's supposed to be in.
6863 (when (and (get-buffer gnus-article-buffer)
6864 (equal (buffer-name (current-buffer))
6865 (buffer-name (get-buffer gnus-article-buffer))))
6867 (if (get-buffer gnus-original-article-buffer)
6868 (set-buffer gnus-original-article-buffer)
6869 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
6870 (buffer-disable-undo)
6871 (setq major-mode 'gnus-original-article-mode)
6872 (setq buffer-read-only t))
6873 (let ((inhibit-read-only t))
6875 (insert-buffer-substring gnus-article-buffer))
6876 (setq gnus-original-article (cons group article)))
6879 (run-hooks 'gnus-article-decode-hook)
6880 ;; Mark article as decoded or not.
6881 (setq gnus-article-decoded-p gnus-article-decode-hook))
6883 ;; Update sparse articles.
6884 (when (and do-update-line
6885 (or (numberp article)
6887 (let ((buf (current-buffer)))
6888 (set-buffer gnus-summary-buffer)
6889 (gnus-summary-update-article do-update-line sparse-header)
6890 (gnus-summary-goto-subject do-update-line nil t)
6891 (set-window-point (gnus-get-buffer-window (current-buffer) t)
6893 (set-buffer buf))))))
6895 (defun gnus-block-private-groups (group)
6896 (if (gnus-news-group-p group)
6897 ;; Block nothing in news groups.
6899 ;; Block everything anywhere else.
6902 (defun gnus-blocked-images ()
6903 (if (functionp gnus-blocked-images)
6904 (funcall gnus-blocked-images gnus-newsgroup-name)
6905 gnus-blocked-images))
6911 (defcustom gnus-article-edit-mode-hook nil
6912 "Hook run in article edit mode buffers."
6913 :group 'gnus-article-various
6916 (defvar gnus-article-edit-done-function nil)
6918 (defvar gnus-article-edit-mode-map nil)
6920 ;; Should we be using derived.el for this?
6921 (unless gnus-article-edit-mode-map
6922 (setq gnus-article-edit-mode-map (make-keymap))
6923 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
6925 (gnus-define-keys gnus-article-edit-mode-map
6926 "\C-c?" describe-mode
6927 "\C-c\C-c" gnus-article-edit-done
6928 "\C-c\C-k" gnus-article-edit-exit
6929 "\C-c\C-f\C-t" message-goto-to
6930 "\C-c\C-f\C-o" message-goto-from
6931 "\C-c\C-f\C-b" message-goto-bcc
6932 ;;"\C-c\C-f\C-w" message-goto-fcc
6933 "\C-c\C-f\C-c" message-goto-cc
6934 "\C-c\C-f\C-s" message-goto-subject
6935 "\C-c\C-f\C-r" message-goto-reply-to
6936 "\C-c\C-f\C-n" message-goto-newsgroups
6937 "\C-c\C-f\C-d" message-goto-distribution
6938 "\C-c\C-f\C-f" message-goto-followup-to
6939 "\C-c\C-f\C-m" message-goto-mail-followup-to
6940 "\C-c\C-f\C-k" message-goto-keywords
6941 "\C-c\C-f\C-u" message-goto-summary
6942 "\C-c\C-f\C-i" message-insert-or-toggle-importance
6943 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
6944 "\C-c\C-b" message-goto-body
6945 "\C-c\C-i" message-goto-signature
6947 "\C-c\C-t" message-insert-to
6948 "\C-c\C-n" message-insert-newsgroups
6949 "\C-c\C-o" message-sort-headers
6950 "\C-c\C-e" message-elide-region
6951 "\C-c\C-v" message-delete-not-region
6952 "\C-c\C-z" message-kill-to-signature
6953 "\M-\r" message-newline-and-reformat
6954 "\C-c\C-a" mml-attach-file
6955 "\C-a" message-beginning-of-line
6957 "\M-;" comment-region)
6959 (gnus-define-keys (gnus-article-edit-wash-map
6960 "\C-c\C-w" gnus-article-edit-mode-map)
6961 "f" gnus-article-edit-full-stops))
6964 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
6966 ["Fetch To" message-insert-to t]
6967 ["Fetch Newsgroups" message-insert-newsgroups t]
6969 ["To" message-goto-to t]
6970 ["From" message-goto-from t]
6971 ["Subject" message-goto-subject t]
6972 ["Cc" message-goto-cc t]
6973 ["Reply-To" message-goto-reply-to t]
6974 ["Summary" message-goto-summary t]
6975 ["Keywords" message-goto-keywords t]
6976 ["Newsgroups" message-goto-newsgroups t]
6977 ["Followup-To" message-goto-followup-to t]
6978 ["Mail-Followup-To" message-goto-mail-followup-to t]
6979 ["Distribution" message-goto-distribution t]
6980 ["Body" message-goto-body t]
6981 ["Signature" message-goto-signature t]))
6983 (define-derived-mode gnus-article-edit-mode message-mode "Article Edit"
6984 "Major mode for editing articles.
6985 This is an extended text-mode.
6987 \\{gnus-article-edit-mode-map}"
6988 (make-local-variable 'gnus-article-edit-done-function)
6989 (make-local-variable 'gnus-prev-winconf)
6990 (set (make-local-variable 'font-lock-defaults)
6991 '(message-font-lock-keywords t))
6992 (set (make-local-variable 'mail-header-separator) "")
6993 (set (make-local-variable 'gnus-article-edit-mode) t)
6994 (easy-menu-add message-mode-field-menu message-mode-map)
6996 (setq buffer-read-only nil)
6997 (buffer-enable-undo)
7000 (defun gnus-article-edit (&optional force)
7001 "Edit the current article.
7002 This will have permanent effect only in mail groups.
7003 If FORCE is non-nil, allow editing of articles even in read-only
7006 (when (and (not force)
7007 (gnus-group-read-only-p))
7008 (error "The current newsgroup does not support article editing"))
7009 (gnus-article-date-original)
7010 (gnus-article-edit-article
7012 `(lambda (no-highlight)
7014 (gnus-summary-edit-article-done
7015 ,(or (mail-header-references gnus-current-headers) "")
7016 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
7018 (defun gnus-article-edit-article (start-func exit-func &optional quiet)
7019 "Start editing the contents of the current article buffer."
7020 (let ((winconf (current-window-configuration)))
7021 (set-buffer gnus-article-buffer)
7022 (let ((message-auto-save-directory
7023 ;; Don't associate the article buffer with a draft file.
7025 (gnus-article-edit-mode))
7026 (funcall start-func)
7027 (set-buffer-modified-p nil)
7028 (gnus-configure-windows 'edit-article)
7029 (setq gnus-article-edit-done-function exit-func)
7030 (setq gnus-prev-winconf winconf)
7032 (gnus-message 6 "C-c C-c to end edits"))))
7034 (defun gnus-article-edit-done (&optional arg)
7035 "Update the article edits and exit."
7037 (let ((func gnus-article-edit-done-function)
7038 (buf (current-buffer))
7039 (start (window-start))
7041 (winconf gnus-prev-winconf))
7042 (widen) ;; Widen it in case that users narrowed the buffer.
7045 ;; The cache and backlog have to be flushed somewhat.
7046 (when gnus-keep-backlog
7047 (gnus-backlog-remove-article
7048 (car gnus-article-current) (cdr gnus-article-current)))
7049 ;; Flush original article as well.
7050 (gnus-flush-original-article-buffer)
7051 (when gnus-use-cache
7052 (gnus-cache-update-article
7053 (car gnus-article-current) (cdr gnus-article-current)))
7054 ;; We remove all text props from the article buffer.
7055 (kill-all-local-variables)
7056 (set-text-properties (point-min) (point-max) nil)
7058 (set-window-configuration winconf)
7060 (set-window-start (get-buffer-window buf) start)
7061 (set-window-point (get-buffer-window buf) (point)))
7062 (gnus-summary-show-article))
7064 (defun gnus-flush-original-article-buffer ()
7065 (when (get-buffer gnus-original-article-buffer)
7066 (with-current-buffer gnus-original-article-buffer
7067 (setq gnus-original-article nil))))
7069 (defun gnus-article-edit-exit ()
7070 "Exit the article editing without updating."
7072 (when (or (not (buffer-modified-p))
7073 (yes-or-no-p "Article modified; kill anyway? "))
7074 (let ((curbuf (current-buffer))
7076 (window-start (window-start)))
7078 (if (gnus-buffer-live-p gnus-original-article-buffer)
7079 (insert-buffer-substring gnus-original-article-buffer))
7080 (let ((winconf gnus-prev-winconf))
7081 (kill-all-local-variables)
7083 (set-window-configuration winconf)
7084 ;; Tippy-toe some to make sure that point remains where it was.
7085 (save-current-buffer
7087 (set-window-start (get-buffer-window (current-buffer)) window-start)
7089 (gnus-summary-show-article)))
7091 (defun gnus-article-edit-full-stops ()
7092 "Interactively repair spacing at end of sentences."
7095 (goto-char (point-min))
7096 (search-forward-regexp "^$" nil t)
7097 (let ((case-fold-search nil))
7098 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
7101 ;;; Article highlights
7104 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
7106 ;;; Internal Variables:
7108 (defcustom gnus-button-url-regexp
7110 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|"
7111 "nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)"
7112 "\\(//[-a-z0-9_.]+:[0-9]*\\)?"
7113 (if (string-match "[[:digit:]]" "1") ;; Support POSIX?
7114 (let ((chars "-a-z0-9_=#$@~%&*+\\/[:word:]")
7118 ;; Match paired parentheses, e.g. in Wikipedia URLs:
7119 ;; http://thread.gmane.org/47B4E3B2.3050402@gmail.com
7120 "[" chars punct "]+" "(" "[" chars punct "]+" "[" chars "]*)" "[" chars "]*"
7122 "[" chars punct "]+" "[" chars "]"
7124 (concat ;; XEmacs 21.4 doesn't support POSIX.
7125 "\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+"
7126 "\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)"))
7128 "Regular expression that matches URLs."
7129 :group 'gnus-article-buttons
7132 (defcustom gnus-button-valid-fqdn-regexp
7133 message-valid-fqdn-regexp
7134 "Regular expression that matches a valid FQDN."
7136 :group 'gnus-article-buttons
7139 ;; Regexp suggested by Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
7140 (defcustom gnus-button-valid-localpart-regexp
7141 "[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t @]*"
7142 "Regular expression that matches a localpart of mail addresses or MIDs."
7144 :group 'gnus-article-buttons
7147 (defcustom gnus-button-man-handler 'manual-entry
7148 "Function to use for displaying man pages.
7149 The function must take at least one argument with a string naming the
7152 :type '(choice (function-item :tag "Man" manual-entry)
7153 (function-item :tag "Woman" woman)
7154 (function :tag "Other"))
7155 :group 'gnus-article-buttons)
7157 (defcustom gnus-button-mid-or-mail-regexp
7158 (concat "\\b\\(<?" gnus-button-valid-localpart-regexp "@"
7159 gnus-button-valid-fqdn-regexp
7161 "Regular expression that matches a message ID or a mail address."
7163 :group 'gnus-article-buttons
7166 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
7167 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
7168 Strings like this can be either a message ID or a mail address. If it is one
7169 of the symbols `mid' or `mail', Gnus will always assume that the string is a
7170 message ID or a mail address, respectively. If this variable is set to the
7171 symbol `ask', always query the user what do do. If it is a function, this
7172 function will be called with the string as its only argument. The function
7173 must return `mid', `mail', `invalid' or `ask'."
7175 :group 'gnus-article-buttons
7176 :type '(choice (function-item :tag "Heuristic function"
7177 gnus-button-mid-or-mail-heuristic)
7182 (defcustom gnus-button-mid-or-mail-heuristic-alist
7183 '((-10.0 . ".+\\$.+@")
7186 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
7187 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
7188 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
7189 (-1.0 . "^[^a-z]+@")
7191 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
7192 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
7193 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
7194 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
7197 (-1.0 . "^[0-9][0-9]")
7199 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
7200 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
7201 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
7202 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
7204 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
7205 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
7208 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
7210 ;; compensation for TDMA dated mail addresses:
7211 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
7213 (-20.0 . "\\.fsf@") ;; Gnus
7216 (-20.0 . "^alpine\\.")
7217 (-20.0 . "_-_") ;; Subject change in thread
7219 (-20.0 . "\\.ln@") ;; leafnode
7220 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
7221 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
7223 ;; (5.0 . "") ;; $local_part_len <= 7
7224 (10.0 . "^[^0-9]+@")
7225 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
7226 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
7229 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
7231 (0.5 . "^[A-Z][a-z]")
7232 (0.5 . "^[A-Z][a-z][a-z]")
7233 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
7234 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
7235 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
7237 A negative RATE indicates a message IDs, whereas a positive indicates a mail
7238 address. The REGEXP is processed with `case-fold-search' set to nil."
7240 :group 'gnus-article-buttons
7241 :type '(repeat (cons (number :tag "Rate")
7242 (regexp :tag "Regexp"))))
7244 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
7245 "Guess whether MID-OR-MAIL is a message ID or a mail address.
7246 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
7247 address, `ask' if unsure and `invalid' if the string is invalid."
7248 (let ((case-fold-search nil)
7249 (list gnus-button-mid-or-mail-heuristic-alist)
7250 (result 0) rate regexp lpartlen elem)
7252 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
7253 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
7254 ;; Certain special cases...
7257 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
7258 "^[0-9]+\\.[0-9]+@compuserve\\|"
7259 "@public\\.gmane\\.org")
7261 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
7262 (setq result 'mail))
7263 (when (string-match "@.*@\\| " mid-or-mail)
7264 (gnus-message 8 "`%s' is invalid." mid-or-mail)
7265 (setq result 'invalid))
7266 ;; Nothing more to do, if result is not a number here...
7267 (when (numberp result)
7269 (setq elem (car list)
7273 (when (string-match regexp mid-or-mail)
7274 (setq result (+ result rate))
7276 9 "`%s' matched `%s', rate `%s', result `%s'."
7277 mid-or-mail regexp rate result)))
7278 (when (<= lpartlen 7)
7279 (setq result (+ result 5.0))
7280 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
7281 mid-or-mail result))
7282 (when (>= lpartlen 12)
7283 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
7285 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
7286 ;; Long local part should contain realname if e-mail address,
7287 ;; too many digits: message-id.
7288 ;; $score -= 5.0 + 0.1 * $local_part_len;
7289 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
7290 (setq result (+ result rate))
7292 9 "Many digits in `%s', rate `%s', result `%s'."
7293 mid-or-mail rate result))
7294 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
7296 ;; Too few vowels [^aeiouy]{4,}.*\@
7297 (setq result (+ result -5.0))
7299 9 "Few vowels in `%s', rate `%s', result `%s'."
7300 mid-or-mail -5.0 result))
7302 (setq result (+ result 5.0))
7304 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
7305 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
7306 ;; Maybe we should make this a customizable alist: (condition . 'result)
7308 ((symbolp result) result)
7309 ;; Now convert number into proper results:
7310 ((< result -10.0) 'mid)
7311 ((> result 10.0) 'mail)
7314 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
7315 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
7316 (url-mid (concat "news" ":" mid-or-mail))
7317 (url-mailto (concat "mailto" ":" mid-or-mail)))
7318 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
7319 (when (fboundp pref)
7321 ;; get rid of surrounding angles...
7323 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
7324 (if (or (eq 'mid guessed) (eq 'mail guessed))
7328 (save-window-excursion
7329 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
7332 (cond ((eq pref 'mid)
7333 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
7334 (gnus-button-handle-news url-mid))
7336 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
7337 (gnus-url-mailto url-mailto))
7338 (t (gnus-message 3 "Invalid string.")))))
7340 (defun gnus-button-handle-custom (fun arg)
7341 "Call function FUN on argument ARG.
7342 Both FUN and ARG are supposed to be strings. ARG will be passed
7343 as a symbol to FUN."
7344 (funcall (intern fun)
7345 (if (string-match "^customize-apropos" fun)
7349 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
7351 ;; FIXME: Maybe we should merge some of the functions that do quite similar
7354 (defun gnus-button-handle-describe-function (url)
7355 "Call `describe-function' when pushing the corresponding URL button."
7358 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
7360 (defun gnus-button-handle-describe-variable (url)
7361 "Call `describe-variable' when pushing the corresponding URL button."
7364 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
7366 (defun gnus-button-handle-symbol (url)
7367 "Display help on variable or function.
7368 Calls `describe-variable' or `describe-function'."
7369 (let ((sym (intern url)))
7371 ((fboundp sym) (describe-function sym))
7372 ((boundp sym) (describe-variable sym))
7373 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
7375 (defun gnus-button-handle-describe-key (url)
7376 "Call `describe-key' when pushing the corresponding URL button."
7378 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
7379 (keys (ignore-errors (eval `(kbd ,key-string)))))
7382 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
7384 (defun gnus-button-handle-apropos (url)
7385 "Call `apropos' when pushing the corresponding URL button."
7386 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7388 (defun gnus-button-handle-apropos-command (url)
7389 "Call `apropos' when pushing the corresponding URL button."
7391 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7393 (defun gnus-button-handle-apropos-variable (url)
7394 "Call `apropos' when pushing the corresponding URL button."
7396 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
7397 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7399 (defun gnus-button-handle-apropos-documentation (url)
7400 "Call `apropos' when pushing the corresponding URL button."
7402 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
7403 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7405 (defun gnus-button-handle-library (url)
7406 "Call `locate-library' when pushing the corresponding URL button."
7407 (gnus-message 9 "url=`%s'" url)
7408 (let* ((lib (locate-library url))
7409 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
7411 (gnus-message 1 "Cannot locale library `%s'." url)
7412 (find-file-read-only file))))
7414 (defcustom gnus-button-man-level 5
7415 "*Integer that says how many man-related buttons Gnus will show.
7416 The higher the number, the more buttons will appear and the more false
7417 positives are possible. Note that you can set this variable local to
7418 specific groups. Setting it higher in Unix groups is probably a good idea.
7419 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
7420 how to set variables in specific groups."
7422 :group 'gnus-article-buttons
7423 :link '(custom-manual "(gnus)Group Parameters")
7426 (defcustom gnus-button-emacs-level 5
7427 "*Integer that says how many emacs-related buttons Gnus will show.
7428 The higher the number, the more buttons will appear and the more false
7429 positives are possible. Note that you can set this variable local to
7430 specific groups. Setting it higher in Emacs or Gnus related groups is
7431 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
7432 `gnus-parameters' on how to set variables in specific groups."
7434 :group 'gnus-article-buttons
7435 :link '(custom-manual "(gnus)Group Parameters")
7438 (defcustom gnus-button-message-level 5
7439 "*Integer that says how many buttons for news or mail messages will appear.
7440 The higher the number, the more buttons will appear and the more false
7441 positives are possible."
7442 ;; mail addresses, MIDs, URLs for news, ...
7444 :group 'gnus-article-buttons
7447 (defcustom gnus-button-browse-level 5
7448 "*Integer that says how many buttons for browsing will appear.
7449 The higher the number, the more buttons will appear and the more false
7450 positives are possible."
7451 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
7453 :group 'gnus-article-buttons
7456 (defcustom gnus-button-alist
7457 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
7458 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
7459 ((concat "\\b\\(nntp\\|news\\):\\("
7460 gnus-button-valid-localpart-regexp "@[a-z0-9.-]+[a-z]\\)")
7461 0 t gnus-button-handle-news 2)
7462 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
7463 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
7464 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
7465 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
7466 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
7467 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
7468 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
7469 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
7470 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
7471 ("\\b\\(mid\\|message-id\\):? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
7472 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
7473 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
7474 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
7475 ;; RFC 2368 (The mailto URL scheme)
7476 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
7477 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
7478 ("\\bmailto:\\([^ \n\t]+\\)"
7479 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
7480 ;; Info Konqueror style <info:/foo/bar baz>.
7481 ;; Must come before " Gnus home-grown style".
7482 ("\\binfo://?\\([^'\">\n\t]+\\)"
7483 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
7484 ;; Info, Gnus home-grown style (deprecated) <info://foo/bar+baz>
7485 ("\\binfo://\\([^'\">\n\t ]+\\)"
7486 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
7487 ;; Info GNOME style <info:foo#bar_baz>
7488 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
7489 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
7490 ;; Info KDE style <info:(foo)bar baz>
7491 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
7492 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
7493 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
7494 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
7495 ("\\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,]*\\)\\)?"
7496 ;; Info links like `C-h i d m Gnus RET' or `C-h i d m Gnus RET i partial RET'
7497 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 0)
7499 ("M-x[ \t\n]\\(customize-[^ ]+\\)[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET\\>" 0
7500 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1 2)
7501 ;; Emacs help commands
7502 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET\\>"
7503 ;; regexp doesn't match arguments containing ` '.
7504 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
7505 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET\\>"
7506 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
7507 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET\\>"
7508 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
7509 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET\\>"
7510 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
7511 ;; The following entries may lead to many false positives so don't enable
7512 ;; them by default (use a high button level).
7513 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>[^.?]"
7514 ;; Exclude [.?] for URLs in gmane.emacs.cvs
7515 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
7516 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
7517 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
7518 ("`\\([a-z][a-z0-9]+-[a-z0-9]+-[-a-z0-9]*[a-z]\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
7519 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
7520 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
7521 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
7522 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
7523 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
7524 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET\\>"
7525 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
7526 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET\\>"
7527 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
7528 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET\\>"
7529 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
7530 ("`\\(\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
7531 ;; Unlike the other regexps we really have to require quoting
7532 ;; here to determine where it ends.
7533 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
7534 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
7535 ("<URL: *\\([^\n<>]*\\)>"
7536 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
7537 ;; RFC 2396 (2.4.3., delims) ...
7538 ("\"URL: *\\([^\n\"]*\\)\""
7539 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
7541 (gnus-button-url-regexp
7542 0 (>= gnus-button-browse-level 0) browse-url 0)
7544 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
7545 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
7546 gnus-button-handle-man 1)
7547 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
7548 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
7549 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
7550 gnus-button-handle-man 1)
7551 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
7552 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
7553 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W"
7554 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
7555 ;; Recognizing patches to .el files. This is somewhat obscure,
7556 ;; but considering the percentage of Gnus users who hack Emacs
7558 ("^--- \\([^ .]+\\.el\\).*\n.*\n@@ -?\\([0-9]+\\)" 1
7559 (>= gnus-button-message-level 4) gnus-button-patch 1 2)
7560 ("^\\*\\*\\* \\([^ .]+\\.el\\).*\n.*\n\\*+\n\\*\\*\\* \\([0-9]+\\)" 1
7561 (>= gnus-button-message-level 4) gnus-button-patch 1 2)
7562 ;; MID or mail: To avoid too many false positives we don't try to catch
7563 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
7564 ;; at least one dot. TLD must contain two or three chars or be a know TLD
7565 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
7566 ;; so that non-ambiguous entries (see above) match first.
7567 (gnus-button-mid-or-mail-regexp
7568 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
7569 "*Alist of regexps matching buttons in article bodies.
7571 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
7572 REGEXP: is the string (case insensitive) matching text around the button (can
7573 also be Lisp expression evaluating to a string),
7574 BUTTON: is the number of the regexp grouping actually matching the button,
7575 FORM: is a Lisp expression which must eval to true for the button to
7577 CALLBACK: is the function to call when the user push this button, and each
7578 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
7580 CALLBACK can also be a variable, in that case the value of that
7581 variable it the real callback function."
7582 :group 'gnus-article-buttons
7583 :type '(repeat (list (choice regexp variable sexp)
7584 (integer :tag "Button")
7586 (function :tag "Callback")
7589 (integer :tag "Regexp group")))))
7590 (put 'gnus-button-alist 'risky-local-variable t)
7592 (defcustom gnus-header-button-alist
7593 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
7594 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
7595 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
7596 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
7597 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
7598 0 (>= gnus-button-message-level 0) gnus-msg-mail 0)
7599 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
7600 0 (>= gnus-button-browse-level 0) browse-url 0)
7601 ("^Subject:" gnus-button-url-regexp
7602 0 (>= gnus-button-browse-level 0) browse-url 0)
7603 ("^[^:]+:" gnus-button-url-regexp
7604 0 (>= gnus-button-browse-level 0) browse-url 0)
7605 ("^OpenPGP:.*url=" gnus-button-url-regexp
7606 0 (>= gnus-button-browse-level 0) gnus-button-openpgp 0)
7607 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
7608 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
7609 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
7610 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
7611 "*Alist of headers and regexps to match buttons in article heads.
7613 This alist is very similar to `gnus-button-alist', except that each
7614 alist has an additional HEADER element first in each entry:
7616 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
7618 HEADER is a regexp to match a header. For a fuller explanation, see
7619 `gnus-button-alist'."
7620 :group 'gnus-article-buttons
7621 :group 'gnus-article-headers
7622 :type '(repeat (list (regexp :tag "Header")
7623 (choice regexp variable)
7624 (integer :tag "Button")
7626 (function :tag "Callback")
7629 (integer :tag "Regexp group")))))
7630 (put 'gnus-header-button-alist 'risky-local-variable t)
7634 (defun gnus-article-push-button (event)
7635 "Check text under the mouse pointer for a callback function.
7636 If the text under the mouse pointer has a `gnus-callback' property,
7637 call it with the value of the `gnus-data' text property."
7639 (set-buffer (window-buffer (posn-window (event-start event))))
7640 (let* ((pos (posn-point (event-start event)))
7641 (data (get-text-property pos 'gnus-data))
7642 (fun (get-text-property pos 'gnus-callback)))
7645 (funcall fun data))))
7647 (defun gnus-article-press-button ()
7648 "Check text at point for a callback function.
7649 If the text at point has a `gnus-callback' property,
7650 call it with the value of the `gnus-data' text property."
7652 (let ((data (get-text-property (point) 'gnus-data))
7653 (fun (get-text-property (point) 'gnus-callback)))
7655 (funcall fun data))))
7657 (defun gnus-article-highlight (&optional force)
7658 "Highlight current article.
7659 This function calls `gnus-article-highlight-headers',
7660 `gnus-article-highlight-citation',
7661 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
7662 do the highlighting. See the documentation for those functions."
7663 (interactive (list 'force))
7664 (gnus-article-highlight-headers)
7665 (gnus-article-highlight-citation force)
7666 (gnus-article-highlight-signature)
7667 (gnus-article-add-buttons)
7668 (gnus-article-add-buttons-to-head))
7670 (defun gnus-article-highlight-some (&optional force)
7671 "Highlight current article.
7672 This function calls `gnus-article-highlight-headers',
7673 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
7674 do the highlighting. See the documentation for those functions."
7675 (interactive (list 'force))
7676 (gnus-article-highlight-headers)
7677 (gnus-article-highlight-signature)
7678 (gnus-article-add-buttons))
7680 (defun gnus-article-highlight-headers ()
7681 "Highlight article headers as specified by `gnus-header-face-alist'."
7683 (gnus-with-article-headers
7684 (let (regexp header-face field-face from hpoints fpoints)
7685 (dolist (entry gnus-header-face-alist)
7686 (goto-char (point-min))
7687 (setq regexp (concat "^\\("
7688 (if (string-equal "" (nth 0 entry))
7692 header-face (nth 1 entry)
7693 field-face (nth 2 entry))
7694 (while (and (re-search-forward regexp nil t)
7698 (unless (search-forward ":" nil t)
7700 (when (and header-face
7701 (not (memq (point) hpoints)))
7702 (push (point) hpoints)
7703 (gnus-put-text-property from (point) 'face header-face))
7704 (when (and field-face
7705 (not (memq (setq from (point)) fpoints)))
7707 (if (re-search-forward "^[^ \t]" nil t)
7709 (goto-char (point-max)))
7710 (gnus-put-text-property from (point) 'face field-face)))))))
7712 (defun gnus-article-highlight-signature ()
7713 "Highlight the signature in an article.
7714 It does this by highlighting everything after
7715 `gnus-signature-separator' using the face `gnus-signature'."
7717 (gnus-with-article-buffer
7718 (let ((inhibit-point-motion-hooks t))
7720 (when (and gnus-signature-face
7721 (gnus-article-narrow-to-signature))
7722 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max) nil t)
7723 'face gnus-signature-face)
7725 (gnus-article-search-signature)
7726 (let ((start (match-beginning 0))
7727 (end (set-marker (make-marker) (1+ (match-end 0)))))
7728 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
7731 (defun gnus-button-in-region-p (b e prop)
7732 "Say whether PROP exists in the region."
7733 (text-property-not-all b e prop nil))
7735 (defun gnus-article-add-buttons ()
7736 "Find external references in the article and make buttons of them.
7737 \"External references\" are things like Message-IDs and URLs, as
7738 specified by `gnus-button-alist'."
7740 (gnus-with-article-buffer
7741 (let ((inhibit-point-motion-hooks t)
7742 (case-fold-search t)
7743 (alist gnus-button-alist)
7745 ;; We skip the headers.
7748 (while (setq entry (pop alist))
7749 (setq regexp (eval (car entry)))
7751 (while (re-search-forward regexp nil t)
7752 (let ((start (match-beginning (nth 1 entry)))
7753 (end (match-end (nth 1 entry)))
7754 (from (match-beginning 0)))
7755 (when (and (eval (nth 2 entry))
7756 (not (gnus-button-in-region-p
7757 start end 'gnus-callback)))
7758 ;; That optional form returned non-nil, so we add the
7760 (setq from (set-marker (make-marker) from))
7761 (unless (and (eq (car entry) 'gnus-button-url-regexp)
7762 (gnus-article-extend-url-button from start end))
7763 (gnus-article-add-button start end
7764 'gnus-button-push (list from entry))
7765 (gnus-put-text-property
7767 'gnus-string (buffer-substring-no-properties
7770 (defun gnus-article-extend-url-button (beg start end)
7771 "Extend url button if url is folded into two or more lines.
7772 Return non-nil if button is extended. BEG is a marker that points to
7773 the beginning position of a text containing url. START and END are
7774 the endpoints of a url button before it is extended. The concatenated
7775 url is put as the `gnus-button-url' overlay property on the button."
7776 (let ((opoint (point))
7777 (points (list start end))
7782 (not (looking-at "[\t ]*[\">]")))
7786 "\\(?:\"\\|\\(<\\)\\)[\t ]*\\(?:url[\t ]*:[\t ]*\\)?\\'"
7787 (buffer-substring (point-at-bol) start)))
7789 (setq url (list (buffer-substring start end))
7790 delim (if (match-beginning 1) ">" "\""))
7792 (setq regexp (concat
7793 (when (and (looking-at
7794 message-cite-prefix-regexp)
7795 (< (match-end 0) start))
7796 (regexp-quote (match-string 0)))
7798 \[\t ]*\\(?:\\([^\t\n \">]+\\)[\t ]*$\\|\\([^\t\n \">]*\\)[\t ]*"
7802 (and (looking-at regexp)
7805 (push (or (match-string 2)
7808 (push (setq end (or (match-end 2)
7811 (push (or (match-beginning 2)
7812 (match-beginning 1))
7814 (match-beginning 2)))
7815 (let (gnus-article-mouse-face widget-mouse-face)
7817 (gnus-article-add-button (pop points) (pop points)
7818 'gnus-button-push beg)))
7819 (let ((overlay (gnus-make-overlay start end)))
7820 (gnus-overlay-put overlay 'evaporate t)
7821 (gnus-overlay-put overlay 'gnus-button-url
7822 (list (mapconcat 'identity (nreverse url) "")))
7823 (when gnus-article-mouse-face
7824 (gnus-overlay-put overlay 'mouse-face gnus-article-mouse-face)))
7826 (goto-char opoint))))
7828 ;; Add buttons to the head of an article.
7829 (defun gnus-article-add-buttons-to-head ()
7830 "Add buttons to the head of the article."
7832 (gnus-with-article-headers
7834 (dolist (entry gnus-header-button-alist)
7835 ;; Each alist entry.
7836 (goto-char (point-min))
7837 (while (re-search-forward (car entry) nil t)
7838 ;; Each header matching the entry.
7839 (setq beg (match-beginning 0))
7840 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
7841 (match-beginning 0))
7844 (while (re-search-forward (eval (nth 1 entry)) end t)
7845 ;; Each match within a header.
7846 (let* ((entry (cdr entry))
7847 (start (match-beginning (nth 1 entry)))
7848 (end (match-end (nth 1 entry)))
7849 (form (nth 2 entry)))
7850 (goto-char (match-end 0))
7852 (gnus-article-add-button
7853 start end (nth 3 entry)
7854 (buffer-substring (match-beginning (nth 4 entry))
7855 (match-end (nth 4 entry)))))))
7856 (goto-char end))))))
7858 ;;; External functions:
7860 (defun gnus-article-add-button (from to fun &optional data text)
7861 "Create a button between FROM and TO with callback FUN and data DATA."
7862 (when gnus-article-button-face
7863 (gnus-overlay-put (gnus-make-overlay from to nil t)
7864 'face gnus-article-button-face))
7865 (gnus-add-text-properties
7867 (nconc (and gnus-article-mouse-face
7868 (list gnus-mouse-face-prop gnus-article-mouse-face))
7869 (list 'gnus-callback fun)
7870 (and data (list 'gnus-data data))))
7871 (widget-convert-button 'link from to :action 'gnus-widget-press-button
7872 :help-echo (or text "Follow the link")
7873 :keymap gnus-url-button-map
7874 :button-keymap gnus-widget-button-keymap))
7876 (defun gnus-article-copy-string ()
7877 "Copy the string in the button to the kill ring."
7879 (gnus-article-check-buffer)
7880 (let ((data (get-text-property (point) 'gnus-string)))
7884 (copy-region-as-kill (point-min) (point-max))
7885 (message "Copied %s" data)))))
7887 ;;; Internal functions:
7889 (defun gnus-article-set-globals ()
7890 (with-current-buffer gnus-summary-buffer
7891 (gnus-set-global-variables)))
7893 (defun gnus-signature-toggle (end)
7894 (gnus-with-article-buffer
7895 (let ((inhibit-point-motion-hooks t))
7896 (if (text-property-any end (point-max) 'article-type 'signature)
7898 (gnus-delete-wash-type 'signature)
7899 (gnus-remove-text-properties-when
7900 'article-type 'signature end (point-max)
7901 (cons 'article-type (cons 'signature
7902 gnus-hidden-properties))))
7903 (gnus-add-wash-type 'signature)
7904 (gnus-add-text-properties-when
7905 'article-type nil end (point-max)
7906 (cons 'article-type (cons 'signature
7907 gnus-hidden-properties)))))
7908 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
7909 (gnus-set-mode-line 'article))))
7911 (defun gnus-button-push (marker-and-entry)
7912 ;; Push button starting at MARKER.
7914 (let* ((marker (car marker-and-entry))
7915 (entry (cadr marker-and-entry))
7916 (regexp (car entry))
7917 (inhibit-point-motion-hooks t))
7919 ;; This is obviously true, or something bad is happening :)
7920 ;; But we need it to have the match-data
7921 (when (looking-at (or (if (symbolp regexp)
7922 (symbol-value regexp)
7924 (let ((fun (nth 3 entry))
7925 (args (or (and (eq (car entry) 'gnus-button-url-regexp)
7926 (get-char-property marker 'gnus-button-url))
7927 (mapcar (lambda (group)
7928 (let ((string (match-string group)))
7929 (set-text-properties
7930 0 (length string) nil string)
7932 (nthcdr 4 entry)))))
7938 (fboundp (symbol-value fun)))
7939 (apply (symbol-value fun) args))
7941 (gnus-message 1 "You must define `%S' to use this button"
7942 (cons fun args)))))))))
7944 (defun gnus-parse-news-url (url)
7945 (let (scheme server port group message-id articles)
7948 (goto-char (point-min))
7949 (when (looking-at "\\([A-Za-z]+\\):")
7950 (setq scheme (match-string 1))
7951 (goto-char (match-end 0)))
7952 (when (looking-at "//\\([^:/]+\\)\\(:?\\)\\([0-9]+\\)?/")
7953 (setq server (match-string 1))
7954 (setq port (if (stringp (match-string 3))
7955 (string-to-number (match-string 3))
7957 (goto-char (match-end 0)))
7960 ((looking-at "\\(.*@.*\\)")
7961 (setq message-id (match-string 1)))
7962 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
7963 (setq group (match-string 1)
7964 articles (split-string (match-string 2) "-")))
7965 ((looking-at "\\([^/]+\\)/?")
7966 (setq group (match-string 1)))
7968 (error "Unknown news URL syntax"))))
7969 (list scheme server port group message-id articles)))
7971 (defun gnus-button-handle-news (url)
7973 (destructuring-bind (scheme server port group message-id articles)
7974 (gnus-parse-news-url url)
7977 (with-current-buffer gnus-summary-buffer
7979 (let ((gnus-refer-article-method
7980 (nconc (list (list 'nntp server))
7981 gnus-refer-article-method))
7982 (nntp-port-number (or port "nntp")))
7983 (gnus-message 7 "Fetching %s with %s"
7984 message-id gnus-refer-article-method)
7985 (gnus-summary-refer-article message-id))
7986 (gnus-summary-refer-article message-id))))
7988 (gnus-button-fetch-group url)))))
7990 (defun gnus-button-patch (library line)
7991 "Visit an Emacs Lisp library LIBRARY on line LINE."
7993 (let ((file (locate-library (file-name-nondirectory library))))
7995 (error "Couldn't find library %s" library))
7997 (goto-char (point-min))
7998 (forward-line (1- (string-to-number line)))))
8000 (defun gnus-button-handle-man (url)
8002 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
8003 (when (eq gnus-button-man-handler 'woman)
8004 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
8005 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
8006 (funcall gnus-button-man-handler url))
8008 (defun gnus-button-handle-info-url (url)
8009 "Fetch an info URL."
8010 (setq url (mm-subst-char-in-string ?+ ?\ url))
8012 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
8013 (gnus-info-find-node
8014 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
8016 ")" (gnus-url-unhex-string (match-string 2 url)))))
8017 ((string-match "([^)\"]+)[^\"]+" url)
8019 (gnus-replace-in-string
8020 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
8021 (gnus-info-find-node url))
8022 (t (error "Can't parse %s" url))))
8024 (defun gnus-button-handle-info-url-gnome (url)
8025 "Fetch GNOME style info URL."
8026 (setq url (mm-subst-char-in-string ?_ ?\ url))
8027 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
8028 (gnus-info-find-node
8030 (gnus-url-unhex-string
8031 (match-string 1 url))
8033 (or (gnus-url-unhex-string
8034 (match-string 2 url))
8036 (error "Can't parse %s" url)))
8038 (defun gnus-button-handle-info-url-kde (url)
8039 "Fetch KDE style info URL."
8040 (gnus-info-find-node (gnus-url-unhex-string url)))
8042 ;; (info) will autoload info.el
8043 (declare-function Info-menu "info" (menu-item &optional fork))
8044 (declare-function Info-index-next "info" (num))
8046 (defun gnus-button-handle-info-keystrokes (url)
8047 "Call `info' when pushing the corresponding URL button."
8048 ;; For links like `C-h i d m gnus RET part RET , ,', `C-h i d m CC Mode RET'.
8049 (let (node indx comma)
8051 (concat "\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+"
8052 "\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
8053 "\\([ \t\n]+i[ \t\n]+[^ ]+ ?[^ ]+[ \t\n]+RET\\>"
8054 "\\(?:[ \t\n,]*\\)\\)?")
8056 (setq node (match-string 2 url)
8057 indx (match-string 3 url))
8058 (error "Can't parse %s" url))
8062 (when (> (length indx) 0)
8063 (string-match (concat "[ \t\n]+i[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET\\>"
8066 (setq comma (match-string 2 indx))
8067 (setq indx (match-string 1 indx))
8070 (dotimes (i (with-temp-buffer
8072 ;; Note: the XEmacs version of `how-many' takes
8073 ;; no optional argument.
8074 (goto-char (point-min))
8076 (Info-index-next 1)))
8079 (autoload 'pgg-snarf-keys-region "pgg")
8080 ;; Called after pgg-snarf-keys-region, which autoloads pgg.el.
8081 (declare-function pgg-display-output-buffer "pgg" (start end status))
8083 (defun gnus-button-openpgp (url)
8084 "Retrieve and add an OpenPGP key given URL from an OpenPGP header."
8086 (mm-url-insert-file-contents-external url)
8087 (pgg-snarf-keys-region (point-min) (point-max))
8088 (pgg-display-output-buffer nil nil nil)))
8090 (defun gnus-button-message-id (message-id)
8092 (with-current-buffer gnus-summary-buffer
8093 (gnus-summary-refer-article message-id)))
8095 (defun gnus-button-fetch-group (address &rest ignore)
8096 "Fetch GROUP specified by ADDRESS."
8097 (when (string-match "\\`\\(nntp\\|news\\):\\(//\\)?\\(.*\\)\\'"
8099 ;; Allow to use `gnus-button-fetch-group' in `browse-url-browser-function'
8100 ;; for nntp:// and news://
8101 (setq address (match-string 3 address)))
8102 (if (not (string-match "[:/]" address))
8103 ;; This is just a simple group url.
8104 (gnus-group-read-ephemeral-group address gnus-select-method)
8107 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
8109 (error "Can't parse %s" address)
8110 (gnus-group-read-ephemeral-group
8111 (match-string 4 address)
8112 `(nntp ,(match-string 1 address)
8113 (nntp-address ,(match-string 1 address))
8114 (nntp-port-number ,(if (match-end 3)
8115 (match-string 3 address)
8118 (and (match-end 6) (list (string-to-number (match-string 6 address))))))))
8120 (defun gnus-url-parse-query-string (query &optional downcase)
8121 (let (retval pairs cur key val)
8122 (setq pairs (split-string query "&"))
8124 (setq cur (car pairs)
8126 (if (not (string-match "=" cur))
8128 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
8129 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
8131 (setq key (downcase key)))
8132 (setq cur (assoc key retval))
8134 (setcdr cur (cons val (cdr cur)))
8135 (setq retval (cons (list key val) retval)))))
8138 (defun gnus-url-mailto (url)
8139 ;; Send mail to someone
8140 (setq url (replace-regexp-in-string "\n" " " url))
8141 (when (string-match "mailto:/*\\(.*\\)" url)
8142 (setq url (substring url (match-beginning 1) nil)))
8143 (let (to args subject func)
8144 (setq args (gnus-url-parse-query-string
8145 (if (string-match "^\\?" url)
8147 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
8148 (concat "to=" (match-string 1 url) "&"
8149 (match-string 2 url))
8150 (concat "to=" url))))
8151 subject (cdr-safe (assoc "subject" args)))
8154 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
8157 (message-position-on-field (caar args)))
8158 (insert (gnus-replace-in-string
8159 (mapconcat 'identity (reverse (cdar args)) ", ")
8161 (setq args (cdr args)))
8164 (message-goto-subject))))
8166 (defun gnus-button-embedded-url (address)
8167 "Activate ADDRESS with `browse-url'."
8168 (browse-url (gnus-strip-whitespace address)))
8170 ;;; Next/prev buttons in the article buffer.
8172 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
8173 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
8175 (defvar gnus-prev-page-map
8176 (let ((map (make-sparse-keymap)))
8177 (define-key map gnus-mouse-2 'gnus-button-prev-page)
8178 (define-key map "\r" 'gnus-button-prev-page)
8181 (defvar gnus-next-page-map
8182 (let ((map (make-sparse-keymap)))
8183 (define-key map gnus-mouse-2 'gnus-button-next-page)
8184 (define-key map "\r" 'gnus-button-next-page)
8187 (defun gnus-insert-prev-page-button ()
8189 (inhibit-read-only t))
8191 gnus-prev-page-line-format nil
8192 `(keymap ,gnus-prev-page-map
8194 gnus-callback gnus-article-button-prev-page
8195 article-type annotation))
8197 ;; Exclude a newline.
8200 (when gnus-article-button-face
8201 (gnus-overlay-put (gnus-make-overlay b e nil t)
8202 'face gnus-article-button-face))
8203 (widget-convert-button
8205 :action 'gnus-button-prev-page
8206 :button-keymap gnus-prev-page-map)))
8208 (defun gnus-button-next-page (&optional args more-args)
8209 "Go to the next page."
8211 (let ((win (selected-window)))
8212 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8213 (gnus-article-next-page)
8214 (select-window win)))
8216 (defun gnus-button-prev-page (&optional args more-args)
8217 "Go to the prev page."
8219 (let ((win (selected-window)))
8220 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8221 (gnus-article-prev-page)
8222 (select-window win)))
8224 (defun gnus-insert-next-page-button ()
8226 (inhibit-read-only t))
8227 (gnus-eval-format gnus-next-page-line-format nil
8228 `(keymap ,gnus-next-page-map
8230 gnus-callback gnus-article-button-next-page
8231 article-type annotation))
8233 ;; Exclude a newline.
8236 (when gnus-article-button-face
8237 (gnus-overlay-put (gnus-make-overlay b e nil t)
8238 'face gnus-article-button-face))
8239 (widget-convert-button
8241 :action 'gnus-button-next-page
8242 :button-keymap gnus-next-page-map)))
8244 (defun gnus-article-button-next-page (arg)
8245 "Go to the next page."
8247 (let ((win (selected-window)))
8248 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8249 (gnus-article-next-page)
8250 (select-window win)))
8252 (defun gnus-article-button-prev-page (arg)
8253 "Go to the prev page."
8255 (let ((win (selected-window)))
8256 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8257 (gnus-article-prev-page)
8258 (select-window win)))
8260 (defvar gnus-decode-header-methods
8261 '(mail-decode-encoded-word-region)
8262 "List of methods used to decode headers.
8264 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
8265 is FUNCTION, FUNCTION will be applied to all newsgroups. If item is a
8266 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
8267 whose names match REGEXP.
8270 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
8271 mail-decode-encoded-word-region
8272 (\"chinese\" . rfc1843-decode-region))
8275 (defvar gnus-decode-header-methods-cache nil)
8277 (defun gnus-multi-decode-header (start end)
8278 "Apply the functions from `gnus-encoded-word-methods' that match."
8279 (unless (and gnus-decode-header-methods-cache
8280 (eq gnus-newsgroup-name
8281 (car gnus-decode-header-methods-cache)))
8282 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
8283 (dolist (x gnus-decode-header-methods)
8285 (nconc gnus-decode-header-methods-cache (list x))
8286 (if (and gnus-newsgroup-name
8287 (string-match (car x) gnus-newsgroup-name))
8288 (nconc gnus-decode-header-methods-cache
8290 (let ((xlist gnus-decode-header-methods-cache))
8293 (narrow-to-region start end)
8295 (funcall (pop xlist) (point-min) (point-max))))))
8298 ;;; Treatment top-level handling.
8301 (defvar gnus-inhibit-article-treatments nil)
8303 (defun gnus-treat-article (gnus-treat-condition
8304 &optional part-number total-parts gnus-treat-type)
8305 (let ((gnus-treat-length (- (point-max) (point-min)))
8306 (alist gnus-treatment-function-alist)
8307 (article-goto-body-goes-to-point-min-p t)
8309 (or (not gnus-treat-type)
8311 (let ((list gnus-article-treat-types))
8313 (when (string-match (pop list) gnus-treat-type)
8314 (throw 'found t)))))))
8315 (highlightp (gnus-visual-p 'article-highlight 'highlight))
8317 (gnus-run-hooks 'gnus-part-display-hook)
8318 (dolist (elem alist)
8321 (when (gnus-buffer-live-p gnus-summary-buffer)
8322 (set-buffer gnus-summary-buffer))
8323 (symbol-value (car elem))))
8324 (when (and (or (consp val)
8326 (or (not gnus-inhibit-article-treatments)
8327 (eq gnus-treat-condition 'head))
8328 (gnus-treat-predicate val)
8329 (or (not (get (car elem) 'highlight))
8332 (funcall (cadr elem)))))))
8334 ;; Dynamic variables.
8335 (defvar part-number)
8336 (defvar total-parts)
8337 (defvar gnus-treat-type)
8338 (defvar gnus-treat-condition)
8339 (defvar gnus-treat-length)
8341 (defun gnus-treat-predicate (val)
8345 (gnus-treat-condition
8346 (eq gnus-treat-condition val))
8348 (stringp (car val)))
8349 (apply 'gnus-or (mapcar `(lambda (s)
8350 (string-match s ,(or gnus-newsgroup-name "")))
8353 (let ((pred (pop val)))
8356 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
8358 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
8360 (not (gnus-treat-predicate (car val))))
8362 (equal (car val) gnus-treat-type))
8364 (error "%S is not a valid predicate" pred)))))
8372 (eq part-number total-parts))
8374 (< gnus-treat-length val))
8376 (error "%S is not a valid value" val))))
8378 (defun gnus-article-encrypt-body (protocol &optional n)
8379 "Encrypt the article body."
8382 (or gnus-article-encrypt-protocol
8383 (gnus-completing-read "Encrypt protocol"
8384 (mapcar 'car gnus-article-encrypt-protocol-alist)
8386 current-prefix-arg))
8387 ;; User might hit `K E' instead of `K e', so prompt once.
8388 (when (and gnus-article-encrypt-protocol
8390 (unless (gnus-y-or-n-p "Really encrypt article(s)? ")
8391 (error "Encrypt aborted")))
8392 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
8394 (error "Can't find the encrypt protocol %s" protocol))
8395 (if (member gnus-newsgroup-name '("nndraft:delayed"
8398 (error "Can't encrypt the article in group %s"
8399 gnus-newsgroup-name))
8400 (gnus-summary-iterate n
8401 (with-current-buffer gnus-summary-buffer
8402 (let ((mail-parse-charset gnus-newsgroup-charset)
8403 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
8404 (summary-buffer gnus-summary-buffer)
8406 (gnus-set-global-variables)
8407 (when (gnus-group-read-only-p)
8408 (error "The current newsgroup does not support article encrypt"))
8409 (gnus-summary-show-article t)
8411 (or (mail-header-references gnus-current-headers) ""))
8412 (set-buffer gnus-article-buffer)
8413 (let* ((inhibit-read-only t)
8415 (mapcar (lambda (field)
8416 (and (save-restriction
8417 (message-narrow-to-head)
8418 (goto-char (point-min))
8419 (search-forward field nil t))
8421 (message-narrow-to-field)
8423 (delete-region (point-min) (point-max))
8425 '("Content-Type:" "Content-Transfer-Encoding:"
8426 "Content-Disposition:"))))
8427 (message-narrow-to-head)
8428 (message-remove-header "MIME-Version")
8429 (goto-char (point-max))
8430 (setq point (point))
8431 (insert (apply 'concat headers))
8433 (narrow-to-region point (point-max))
8434 (let ((message-options message-options))
8435 (message-options-set 'message-sender user-mail-address)
8436 (message-options-set 'message-recipients user-mail-address)
8437 (message-options-set 'message-sign-encrypt 'not)
8439 (goto-char (point-min))
8440 (insert "MIME-Version: 1.0\n")
8442 (gnus-summary-edit-article-done
8443 references nil summary-buffer t))
8444 (when gnus-keep-backlog
8445 (gnus-backlog-remove-article
8446 (car gnus-article-current) (cdr gnus-article-current)))
8447 (gnus-flush-original-article-buffer)
8448 (when gnus-use-cache
8449 (gnus-cache-update-article
8450 (car gnus-article-current) (cdr gnus-article-current))))))))
8452 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
8453 "The following specs can be used:
8454 %t The security MIME type
8457 %D Details if button is pressed")
8459 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
8460 "The following specs can be used:
8461 %t The security MIME type
8464 %D Details if button is pressed")
8466 (defvar gnus-mime-security-button-line-format-alist
8467 '((?t gnus-tmp-type ?s)
8468 (?i gnus-tmp-info ?s)
8469 (?d gnus-tmp-details ?s)
8470 (?D gnus-tmp-pressed-details ?s)))
8472 (defvar gnus-mime-security-button-commands
8473 '((gnus-article-press-button "\r" "Show Detail")
8477 (gnus-mime-security-save-part "o" "Save...")
8486 (gnus-mime-security-pipe-part "|" "Pipe To Command...")
8489 (defvar gnus-mime-security-button-map
8490 (let ((map (make-sparse-keymap)))
8491 (define-key map gnus-mouse-2 'gnus-article-push-button)
8492 (define-key map gnus-down-mouse-3 'gnus-mime-security-button-menu)
8493 (dolist (c gnus-mime-security-button-commands)
8494 (define-key map (cadr c) (car c)))
8498 gnus-mime-security-button-menu gnus-mime-security-button-map
8499 "Security button menu."
8503 (unless (eq (car c) 'undefined)
8504 (vector (caddr c) (car c) :active t)))
8505 gnus-mime-security-button-commands))))
8507 (defun gnus-mime-security-button-menu (event prefix)
8508 "Construct a context-sensitive menu of security commands."
8509 (interactive "e\nP")
8510 (save-window-excursion
8511 (let ((pos (event-start event)))
8512 (select-window (posn-window pos))
8513 (goto-char (posn-point pos))
8514 (gnus-article-check-buffer)
8515 (popup-menu gnus-mime-security-button-menu nil prefix))))
8517 (defvar gnus-mime-security-details-buffer nil)
8519 (defvar gnus-mime-security-button-pressed nil)
8521 (defvar gnus-mime-security-show-details-inline t
8522 "If non-nil, show details in the article buffer.")
8524 (defun gnus-mime-security-verify-or-decrypt (handle)
8525 (mm-remove-parts (cdr handle))
8526 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
8527 point (inhibit-read-only t))
8529 (goto-char (car region)))
8530 (setq point (point))
8531 (with-current-buffer (mm-handle-multipart-original-buffer handle)
8532 (let* ((mm-verify-option 'known)
8533 (mm-decrypt-option 'known)
8534 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
8535 (unless (eq nparts (cdr handle))
8536 (mm-destroy-parts (cdr handle))
8537 (setcdr handle nparts))))
8538 (gnus-mime-display-security handle)
8540 (delete-region (point) (cdr region))
8541 (set-marker (car region) nil)
8542 (set-marker (cdr region) nil))
8545 (defun gnus-mime-security-show-details (handle)
8546 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
8548 (gnus-message 5 "No details.")
8549 (if gnus-mime-security-show-details-inline
8550 (let ((gnus-mime-security-button-pressed
8551 (not (get-text-property (point) 'gnus-mime-details)))
8552 (gnus-mime-security-button-line-format
8553 (get-text-property (point) 'gnus-line-format))
8554 (inhibit-read-only t))
8556 (while (eq (get-text-property (point) 'gnus-line-format)
8557 gnus-mime-security-button-line-format)
8561 (narrow-to-region (point) (point))
8562 (gnus-insert-mime-security-button handle))
8563 (delete-region (point)
8564 (or (text-property-not-all
8567 gnus-mime-security-button-line-format)
8570 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
8571 (with-current-buffer gnus-mime-security-details-buffer
8574 (setq gnus-mime-security-details-buffer
8575 (gnus-get-buffer-create "*MIME Security Details*")))
8576 (with-current-buffer gnus-mime-security-details-buffer
8578 (goto-char (point-min)))
8579 (pop-to-buffer gnus-mime-security-details-buffer)))))
8581 (defun gnus-mime-security-press-button (handle)
8583 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
8584 (gnus-mime-security-show-details handle)
8585 (gnus-mime-security-verify-or-decrypt handle))))
8587 (defun gnus-insert-mime-security-button (handle &optional displayed)
8588 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
8591 (or (nth 2 (assoc protocol mm-verify-function-alist))
8592 (nth 2 (assoc protocol mm-decrypt-function-alist))
8594 (if (equal (car handle) "multipart/signed")
8595 " Signed" " Encrypted")
8598 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
8601 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
8602 gnus-tmp-pressed-details
8604 (setq gnus-tmp-details
8605 (if gnus-tmp-details
8606 (concat "\n" gnus-tmp-details)
8608 (setq gnus-tmp-pressed-details
8609 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
8614 gnus-mime-security-button-line-format
8615 gnus-mime-security-button-line-format-alist
8616 `(keymap ,gnus-mime-security-button-map
8617 gnus-callback gnus-mime-security-press-button
8618 gnus-line-format ,gnus-mime-security-button-line-format
8619 gnus-mime-details ,gnus-mime-security-button-pressed
8620 article-type annotation
8623 ;; Exclude a newline.
8626 (when gnus-article-button-face
8627 (gnus-overlay-put (gnus-make-overlay b e nil t)
8628 'face gnus-article-button-face))
8629 (widget-convert-button
8632 :action 'gnus-widget-press-button
8633 :button-keymap gnus-mime-security-button-map
8636 ;; Needed to properly clear the message due to a bug in
8637 ;; wid-edit (XEmacs only).
8638 (when (boundp 'help-echo-owns-message)
8639 (setq help-echo-owns-message t))
8641 "%S: show detail; %S: more options"
8642 (aref gnus-mouse-2 0)
8643 (aref gnus-down-mouse-3 0))))))
8645 (defun gnus-mime-display-security (handle)
8647 (narrow-to-region (point) (point))
8648 (unless (gnus-unbuttonized-mime-type-p (car handle))
8649 (gnus-insert-mime-security-button handle))
8650 (gnus-mime-display-part (cadr handle))
8653 (unless (gnus-unbuttonized-mime-type-p (car handle))
8654 (let ((gnus-mime-security-button-line-format
8655 gnus-mime-security-button-end-line-format))
8656 (gnus-insert-mime-security-button handle)))
8657 (mm-set-handle-multipart-parameter
8659 (cons (set-marker (make-marker) (point-min))
8660 (set-marker (make-marker) (point-max))))
8661 (goto-char (point-max))))
8663 (defun gnus-mime-security-run-function (function)
8664 "Run FUNCTION with the security part under point."
8665 (gnus-article-check-buffer)
8666 (let ((data (get-text-property (point) 'gnus-data))
8668 (when (and (stringp (car-safe data))
8669 (setq buffer (mm-handle-multipart-original-buffer data))
8670 (setq handle (cadr data)))
8671 (if (bufferp (mm-handle-buffer handle))
8673 (setq handle (cons buffer (copy-sequence (cdr handle))))
8674 (mm-handle-set-undisplayer handle nil))
8675 (setq handle (mm-make-handle
8677 (mm-handle-multipart-ctl-parameter handle 'protocol)
8678 nil nil nil nil nil nil)))
8679 (funcall function handle))))
8681 (defun gnus-mime-security-save-part ()
8682 "Save the security part under point."
8684 (gnus-mime-security-run-function 'mm-save-part))
8686 (defun gnus-mime-security-pipe-part ()
8687 "Pipe the security part under point to a process."
8689 (gnus-mime-security-run-function 'mm-pipe-part))
8695 (run-hooks 'gnus-art-load-hook)
8697 ;;; gnus-art.el ends here