1 ;;; gnus-art.el --- article mode commands for Gnus
3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 ;; 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software: you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation, either version 3 of the License, or
14 ;; (at your option) any later version.
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
30 (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
34 (defvar w3m-minor-mode-map)
49 (autoload 'gnus-msg-mail "gnus-msg" nil t)
50 (autoload 'gnus-button-mailto "gnus-msg")
51 (autoload 'gnus-button-reply "gnus-msg" nil t)
52 (autoload 'parse-time-string "parse-time" nil nil)
53 (autoload 'ansi-color-apply-on-region "ansi-color")
54 (autoload 'mm-url-insert-file-contents-external "mm-url")
55 (autoload 'mm-extern-cache-contents "mm-extern")
57 (defgroup gnus-article nil
59 :link '(custom-manual "(gnus)Article Buffer")
62 (defgroup gnus-article-treat nil
63 "Treating article parts."
64 :link '(custom-manual "(gnus)Article Hiding")
67 (defgroup gnus-article-hiding nil
68 "Hiding article parts."
69 :link '(custom-manual "(gnus)Article Hiding")
72 (defgroup gnus-article-highlight nil
73 "Article highlighting."
74 :link '(custom-manual "(gnus)Article Highlighting")
78 (defgroup gnus-article-signature nil
80 :link '(custom-manual "(gnus)Article Signature")
83 (defgroup gnus-article-headers nil
85 :link '(custom-manual "(gnus)Hiding Headers")
88 (defgroup gnus-article-washing nil
89 "Special commands on articles."
90 :link '(custom-manual "(gnus)Article Washing")
93 (defgroup gnus-article-emphasis nil
94 "Fontisizing articles."
95 :link '(custom-manual "(gnus)Article Fontisizing")
98 (defgroup gnus-article-saving nil
100 :link '(custom-manual "(gnus)Saving Articles")
101 :group 'gnus-article)
103 (defgroup gnus-article-mime nil
104 "Worshiping the MIME wonder."
105 :link '(custom-manual "(gnus)Using MIME")
106 :group 'gnus-article)
108 (defgroup gnus-article-buttons nil
109 "Pushable buttons in the article buffer."
110 :link '(custom-manual "(gnus)Article Buttons")
111 :group 'gnus-article)
113 (defgroup gnus-article-various nil
114 "Other article options."
115 :link '(custom-manual "(gnus)Misc Article")
116 :group 'gnus-article)
118 (defcustom gnus-ignored-headers
121 (concat "^" header ":"))
122 '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
123 "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
124 "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
125 "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
126 "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
127 "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
128 "X-Attribution" "X-Originating-IP" "Delivered-To"
129 "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
130 "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
131 "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
132 "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
133 "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
134 "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
135 "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
136 "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
137 "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
138 "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
139 "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
140 "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
141 "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
142 "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
143 "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
144 "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
145 "List-[A-Za-z]+" "X-Listprocessor-Version"
146 "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
147 "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
148 "X-Received" "Content-length" "X-precedence"
149 "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
150 "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
151 "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
152 "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
153 "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
154 "X-Content-length" "X-Posting-Agent" "Original-Received"
155 "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
156 "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
157 "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
158 "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
159 "X-Abuse-and-DMCA-Info" "X-Postfilter" "X-Gpg-.*" "X-Disclaimer"
160 "Envelope-To" "X-Spam-Score" "System-Type" "X-Injected-Via-Gmane"
161 "X-Gmane-NNTP-Posting-Host" "Jabber-ID" "Archived-At"
162 "Envelope-Sender" "Envelope-Recipients"))
163 "*All headers that start with this regexp will be hidden.
164 This variable can also be a list of regexps of headers to be ignored.
165 If `gnus-visible-headers' is non-nil, this variable will be ignored."
166 :type '(choice :custom-show nil
169 :group 'gnus-article-hiding)
171 (defcustom gnus-visible-headers
172 "^From:\\|^Newsgroups:\\|^Subject:\\|^Date:\\|^Followup-To:\\|^Reply-To:\\|^Organization:\\|^Summary:\\|^Keywords:\\|^To:\\|^[BGF]?Cc:\\|^Posted-To:\\|^Mail-Copies-To:\\|^Mail-Followup-To:\\|^Apparently-To:\\|^Gnus-Warning:\\|^Resent-From:\\|^X-Sent:"
173 "*All headers that do not match this regexp will be hidden.
174 This variable can also be a list of regexp of headers to remain visible.
175 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
177 (repeat :value-to-internal (lambda (widget value)
178 (custom-split-regexp-maybe value))
179 :match (lambda (widget value)
181 (widget-editable-list-match widget value)))
183 (const :tag "Use gnus-ignored-headers" nil)
185 :group 'gnus-article-hiding)
187 (defcustom gnus-sorted-header-list
188 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
189 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
190 "*This variable is a list of regular expressions.
191 If it is non-nil, headers that match the regular expressions will
192 be placed first in the article buffer in the sequence specified by
194 :type '(repeat regexp)
195 :group 'gnus-article-hiding)
197 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
198 "Headers that are only to be displayed if they have interesting data.
199 Possible values in this list are:
201 'empty Headers with no content.
202 'newsgroups Newsgroup identical to Gnus group.
203 'to-address To identical to To-address.
204 'to-list To identical to To-list.
205 'cc-list CC identical to To-list.
206 'followup-to Followup-to identical to Newsgroups.
207 'reply-to Reply-to identical to From.
208 'date Date less than four days old.
209 'long-to To and/or Cc longer than 1024 characters.
210 'many-to Multiple To and/or Cc."
211 :type '(set (const :tag "Headers with no content." empty)
212 (const :tag "Newsgroups identical to Gnus group." newsgroups)
213 (const :tag "To identical to To-address." to-address)
214 (const :tag "To identical to To-list." to-list)
215 (const :tag "CC identical to To-list." cc-list)
216 (const :tag "Followup-to identical to Newsgroups." followup-to)
217 (const :tag "Reply-to identical to From." reply-to)
218 (const :tag "Date less than four days old." date)
219 (const :tag "To and/or Cc longer than 1024 characters." long-to)
220 (const :tag "Multiple To and/or Cc headers." many-to))
221 :group 'gnus-article-hiding)
223 (defcustom gnus-article-skip-boring nil
224 "Skip over text that is not worth reading.
225 By default, if you set this t, then Gnus will display citations and
226 signatures, but will never scroll down to show you a page consisting
227 only of boring text. Boring text is controlled by
228 `gnus-article-boring-faces'."
231 :group 'gnus-article-hiding)
233 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
234 "Regexp matching signature separator.
235 This can also be a list of regexps. In that case, it will be checked
236 from head to tail looking for a separator. Searches will be done from
237 the end of the buffer."
238 :type '(choice :format "%{%t%}: %[Value Menu%]\n%v"
240 (repeat :tag "List of regexp" regexp))
241 :group 'gnus-article-signature)
243 (defcustom gnus-signature-limit nil
244 "Provide a limit to what is considered a signature.
245 If it is a number, no signature may not be longer (in characters) than
246 that number. If it is a floating point number, no signature may be
247 longer (in lines) than that number. If it is a function, the function
248 will be called without any parameters, and if it returns nil, there is
249 no signature in the buffer. If it is a string, it will be used as a
250 regexp. If it matches, the text in question is not a signature.
252 This can also be a list of the above values."
253 :type '(choice (const nil)
257 (regexp :value ".*"))
258 :group 'gnus-article-signature)
260 (defcustom gnus-hidden-properties '(invisible t intangible t)
261 "Property list to use for hiding text."
263 :group 'gnus-article-hiding)
265 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
266 ;; frames in a session.
267 (defcustom gnus-article-x-face-command
268 (if (featurep 'xemacs)
269 (if (or (gnus-image-type-available-p 'xface)
270 (gnus-image-type-available-p 'pbm))
271 'gnus-display-x-face-in-from
272 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
273 (if (gnus-image-type-available-p 'pbm)
274 'gnus-display-x-face-in-from
275 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
277 "*String or function to be executed to display an X-Face header.
278 If it is a string, the command will be executed in a sub-shell
279 asynchronously. The compressed face will be piped to this command."
280 :type `(choice string
281 (function-item gnus-display-x-face-in-from)
285 :group 'gnus-article-washing)
287 (defcustom gnus-article-x-face-too-ugly nil
288 "Regexp matching posters whose face shouldn't be shown automatically."
289 :type '(choice regexp (const nil))
290 :group 'gnus-article-washing)
292 (defcustom gnus-article-banner-alist nil
293 "Banner alist for stripping.
295 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
297 :type '(repeat (cons symbol regexp))
298 :group 'gnus-article-washing)
300 (gnus-define-group-parameter
303 "Alist of regexps (to match group names) and banner."
304 :variable-group gnus-article-washing
306 '(choice :tag "Banner"
308 (const :tag "Remove signature" signature)
309 (symbol :tag "Item in `gnus-article-banner-alist'" none)
311 (const :tag "None" nil))
313 "If non-nil, specify how to remove `banners' from articles.
315 Symbol `signature' means to remove signatures delimited by
316 `gnus-signature-separator'. Any other symbol is used to look up a
317 regular expression to match the banner in `gnus-article-banner-alist'.
318 A string is used as a regular expression to match the banner
321 (defcustom gnus-article-address-banner-alist nil
322 "Alist of mail addresses and banners.
323 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
324 to match a mail address in the From: header, BANNER is one of a symbol
325 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
326 If ADDRESS matches author's mail address, it will remove things like
327 advertisements. For example:
329 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
333 (regexp :tag "Address")
334 (choice :tag "Banner" :value nil
335 (const :tag "Remove signature" signature)
336 (symbol :tag "Item in `gnus-article-banner-alist'" none)
338 (const :tag "None" nil))))
340 :group 'gnus-article-washing)
342 (defmacro gnus-emphasis-custom-with-format (&rest body)
344 \\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\
345 \\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)"))
348 (defun gnus-emphasis-custom-value-to-external (value)
349 (gnus-emphasis-custom-with-format
350 (if (consp (car value))
351 (list (format format (car (car value)) (cdr (car value)))
353 (if (nth 1 value) 2 3)
357 (defun gnus-emphasis-custom-value-to-internal (value)
358 (gnus-emphasis-custom-with-format
359 (let ((regexp (concat "\\`"
360 (format (regexp-quote format)
361 "\\([^()]+\\)" "\\([^()]+\\)")
364 (if (string-match regexp (setq pattern (car value)))
365 (list (cons (match-string 1 pattern) (match-string 2 pattern))
370 (defcustom gnus-emphasis-alist
372 '(("\\*" "\\*" bold nil 2)
375 ("_/" "/_" underline-italic)
376 ("_\\*" "\\*_" underline-bold)
377 ("\\*/" "/\\*" bold-italic)
378 ("_\\*/" "/\\*_" underline-bold-italic))))
380 (gnus-emphasis-custom-with-format
381 (mapcar (lambda (spec)
382 (list (format format (car spec) (cadr spec))
385 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
387 '(;; I've never seen anyone use this strikethru convention whereas I've
388 ;; several times seen it triggered by normal text. --Stef
389 ;; Miles suggests that this form is sometimes used but for italics,
390 ;; so maybe we should map it to `italic'.
391 ;; ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
392 ;; 2 3 gnus-emphasis-strikethru)
393 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
394 2 3 gnus-emphasis-underline))))
395 "*Alist that says how to fontify certain phrases.
396 Each item looks like this:
398 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
400 The first element is a regular expression to be matched. The second
401 is a number that says what regular expression grouping used to find
402 the entire emphasized word. The third is a number that says what
403 regexp grouping should be displayed and highlighted. The fourth
404 is the face used for highlighting."
408 :format "%[Customizing Style%]\n%v"
410 (group :tag "Default"
411 :value ("" 0 0 default)
414 (let ((value (widget-get
415 (cadr (widget-get (widget-get widget :parent)
418 (if (not (eq (nth 2 value) 'default))
422 (gnus-emphasis-custom-value-to-external value))))
423 (widget-group-value-create widget))
425 (integer :format "Match group: %v")
426 (integer :format "Emphasize group: %v")
429 :value (("_" . "_") nil default)
431 (regexp :format "Start regexp: %v")
432 (regexp :format "End regexp: %v"))
433 (boolean :format "Show start and end patterns: %[%v%]\n"
434 :on " On " :off " Off ")
436 :get (lambda (symbol)
437 (mapcar 'gnus-emphasis-custom-value-to-internal
438 (default-value symbol)))
439 :set (lambda (symbol value)
440 (set-default symbol (mapcar 'gnus-emphasis-custom-value-to-external
442 :group 'gnus-article-emphasis)
444 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
445 "A regexp to describe whitespace which should not be emphasized.
446 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
447 The former avoids underlining of leading and trailing whitespace,
448 and the latter avoids underlining any whitespace at all."
450 :group 'gnus-article-emphasis
453 (defface gnus-emphasis-bold '((t (:bold t)))
454 "Face used for displaying strong emphasized text (*word*)."
455 :group 'gnus-article-emphasis)
457 (defface gnus-emphasis-italic '((t (:italic t)))
458 "Face used for displaying italic emphasized text (/word/)."
459 :group 'gnus-article-emphasis)
461 (defface gnus-emphasis-underline '((t (:underline t)))
462 "Face used for displaying underlined emphasized text (_word_)."
463 :group 'gnus-article-emphasis)
465 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
466 "Face used for displaying underlined bold emphasized text (_*word*_)."
467 :group 'gnus-article-emphasis)
469 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
470 "Face used for displaying underlined italic emphasized text (_/word/_)."
471 :group 'gnus-article-emphasis)
473 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
474 "Face used for displaying bold italic emphasized text (/*word*/)."
475 :group 'gnus-article-emphasis)
477 (defface gnus-emphasis-underline-bold-italic
478 '((t (:bold t :italic t :underline t)))
479 "Face used for displaying underlined bold italic emphasized text.
480 Example: (_/*word*/_)."
481 :group 'gnus-article-emphasis)
483 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
484 '((t (:strikethru t)))
485 '((t (:strike-through t))))
486 "Face used for displaying strike-through text (-word-)."
487 :group 'gnus-article-emphasis)
489 (defface gnus-emphasis-highlight-words
490 '((t (:background "black" :foreground "yellow")))
491 "Face used for displaying highlighted words."
492 :group 'gnus-article-emphasis)
494 (defcustom gnus-article-time-format "%a, %d %b %Y %T %Z"
495 "Format for display of Date headers in article bodies.
496 See `format-time-string' for the possible values.
498 The variable can also be function, which should return a complete Date
499 header. The function is called with one argument, the time, which can
500 be fed to `format-time-string'."
501 :type '(choice string function)
502 :link '(custom-manual "(gnus)Article Date")
503 :group 'gnus-article-washing)
505 (defcustom gnus-save-all-headers t
506 "*If non-nil, don't remove any headers before saving.
507 This will be overridden by the `:headers' property that the symbol of
508 the saver function, which is specified by `gnus-default-article-saver',
510 :group 'gnus-article-saving
513 (defcustom gnus-prompt-before-saving 'always
514 "*This variable says how much prompting is to be done when saving articles.
515 If it is nil, no prompting will be done, and the articles will be
516 saved to the default files. If this variable is `always', each and
517 every article that is saved will be preceded by a prompt, even when
518 saving large batches of articles. If this variable is neither nil not
519 `always', there the user will be prompted once for a file name for
520 each invocation of the saving commands."
521 :group 'gnus-article-saving
522 :type '(choice (item always)
523 (item :tag "never" nil)
524 (sexp :tag "once" :format "%t\n" :value t)))
526 (defcustom gnus-saved-headers gnus-visible-headers
527 "Headers to keep if `gnus-save-all-headers' is nil.
528 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
529 If that variable is nil, however, all headers that match this regexp
530 will be kept while the rest will be deleted before saving. This and
531 `gnus-save-all-headers' will be overridden by the `:headers' property
532 that the symbol of the saver function, which is specified by
533 `gnus-default-article-saver', might have."
534 :group 'gnus-article-saving
537 ;; Note that "Rmail format" is mbox since Emacs 23, but Babyl before.
538 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
539 "A function to save articles in your favourite format.
540 The function will be called by way of the `gnus-summary-save-article'
541 command, and friends such as `gnus-summary-save-article-rmail'.
543 Gnus provides the following functions:
545 * gnus-summary-save-in-rmail (Rmail format)
546 * gnus-summary-save-in-mail (Unix mail format)
547 * gnus-summary-save-in-folder (MH folder)
548 * gnus-summary-save-in-file (article format)
549 * gnus-summary-save-body-in-file (article body)
550 * gnus-summary-save-in-vm (use VM's folder format)
551 * gnus-summary-write-to-file (article format -- overwrite)
552 * gnus-summary-write-body-to-file (article body -- overwrite)
553 * gnus-summary-save-in-pipe (article format)
555 The symbol of each function may have the following properties:
558 The value non-nil means save decoded articles. This is meaningful
559 only with `gnus-summary-save-in-file', `gnus-summary-save-body-in-file',
560 `gnus-summary-write-to-file', `gnus-summary-write-body-to-file', and
561 `gnus-summary-save-in-pipe'.
564 The value specifies an alternative function which appends, not
565 overwrites, articles to a file. This implies that when saving many
566 articles at a time, `gnus-prompt-before-saving' is bound to t and all
567 articles are saved in a single file. This is meaningful only with
568 `gnus-summary-write-to-file' and `gnus-summary-write-body-to-file'.
571 The value specifies the symbol of a variable of which the value
572 specifies headers to be saved. If it is omitted,
573 `gnus-save-all-headers' and `gnus-saved-headers' control what
574 headers should be saved."
575 :group 'gnus-article-saving
576 :type '(radio (function-item gnus-summary-save-in-rmail)
577 (function-item gnus-summary-save-in-mail)
578 (function-item gnus-summary-save-in-folder)
579 (function-item gnus-summary-save-in-file)
580 (function-item gnus-summary-save-body-in-file)
581 (function-item gnus-summary-save-in-vm)
582 (function-item gnus-summary-write-to-file)
583 (function-item gnus-summary-write-body-to-file)
584 (function-item gnus-summary-save-in-pipe)
587 (defcustom gnus-article-save-coding-system
588 (or (and (mm-coding-system-p 'utf-8) 'utf-8)
589 (and (mm-coding-system-p 'iso-2022-7bit) 'iso-2022-7bit)
590 (and (mm-coding-system-p 'emacs-mule) 'emacs-mule)
591 (and (mm-coding-system-p 'escape-quoted) 'escape-quoted))
592 "Coding system used to save decoded articles to a file.
594 The recommended coding systems are `utf-8', `iso-2022-7bit' and so on,
595 which can safely encode any characters in text. This is used by the
598 * gnus-summary-save-article-file
599 * gnus-summary-save-article-body-file
600 * gnus-summary-write-article-file
601 * gnus-summary-write-article-body-file
603 and the functions to which you may set `gnus-default-article-saver':
605 * gnus-summary-save-in-file
606 * gnus-summary-save-body-in-file
607 * gnus-summary-write-to-file
608 * gnus-summary-write-body-to-file
610 Those commands and functions save just text displayed in the article
611 buffer to a file if the value of this variable is non-nil. Note that
612 buttonized MIME parts will be lost in a saved file in that case.
613 Otherwise, raw articles will be saved."
614 :group 'gnus-article-saving
616 :format "%{%t%}:\n %[Value Menu%] %v"
617 (const :tag "Save raw articles" nil)
620 (lambda (arg) (if (mm-coding-system-p (nth 3 arg)) arg))
621 '((const :tag "UTF-8" utf-8)
622 (const :tag "iso-2022-7bit" iso-2022-7bit)
623 (const :tag "Emacs internal" emacs-mule)
624 (const :tag "escape-quoted" escape-quoted))))
625 (symbol :tag "Coding system")))
627 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
628 "A function generating a file name to save articles in Rmail format.
629 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
630 :group 'gnus-article-saving
633 (defcustom gnus-mail-save-name 'gnus-plain-save-name
634 "A function generating a file name to save articles in Unix mail format.
635 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
636 :group 'gnus-article-saving
639 (defcustom gnus-folder-save-name 'gnus-folder-save-name
640 "A function generating a file name to save articles in MH folder.
641 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
642 :group 'gnus-article-saving
645 (defcustom gnus-file-save-name 'gnus-numeric-save-name
646 "A function generating a file name to save articles in article format.
647 The function is called with NEWSGROUP, HEADERS, and optional
649 :group 'gnus-article-saving
652 (defcustom gnus-split-methods
653 '((gnus-article-archive-name)
654 (gnus-article-nndoc-name))
655 "*Variable used to suggest where articles are to be saved.
656 For instance, if you would like to save articles related to Gnus in
657 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
658 you could set this variable to something like:
660 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
661 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
663 This variable is an alist where the key is the match and the
664 value is a list of possible files to save in if the match is
667 If the match is a string, it is used as a regexp match on the
668 article. If the match is a symbol, that symbol will be funcalled
669 from the buffer of the article to be saved with the newsgroup as the
670 parameter. If it is a list, it will be evaled in the same buffer.
672 If this form or function returns a string, this string will be used as a
673 possible file name; and if it returns a non-nil list, that list will be
674 used as possible file names."
675 :group 'gnus-article-saving
676 :type '(repeat (choice (list :value (fun) function)
677 (cons :value ("" "") regexp (repeat string))
680 (defcustom gnus-page-delimiter "^\^L"
681 "*Regexp describing what to use as article page delimiters.
682 The default value is \"^\^L\", which is a form linefeed at the
683 beginning of a line."
685 :group 'gnus-article-various)
687 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
688 "*The format specification for the article mode line.
689 See `gnus-summary-mode-line-format' for a closer description.
691 The following additional specs are available:
693 %w The article washing status.
694 %m The number of MIME parts in the article."
696 :group 'gnus-article-various)
698 (defcustom gnus-article-mode-hook nil
699 "*A hook for Gnus article mode."
701 :group 'gnus-article-various)
703 (when (featurep 'xemacs)
704 ;; Extracted from gnus-xmas-define in order to preserve user settings
705 (when (fboundp 'turn-off-scroll-in-place)
706 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
707 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
708 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
710 (defcustom gnus-article-menu-hook nil
711 "*Hook run after the creation of the article mode menu."
713 :group 'gnus-article-various)
715 (defcustom gnus-article-prepare-hook nil
716 "*A hook called after an article has been prepared in the article buffer."
718 :group 'gnus-article-various)
720 (defcustom gnus-copy-article-ignored-headers nil
721 "List of headers to be removed when copying an article.
722 Each element is a regular expression."
723 :version "23.1" ;; No Gnus
724 :type '(repeat regexp)
725 :group 'gnus-article-various)
727 (make-obsolete-variable 'gnus-article-hide-pgp-hook nil
728 "Gnus 5.10 (Emacs-22.1)")
731 '((t (:weight bold)))
732 "Face used for highlighting a button in the article buffer."
733 :group 'gnus-article-buttons)
735 (defcustom gnus-article-button-face 'gnus-button
736 "Face used for highlighting buttons in the article buffer.
738 An article button is a piece of text that you can activate by pressing
739 `RET' or `mouse-2' above it."
741 :group 'gnus-article-buttons)
743 (defcustom gnus-article-mouse-face 'highlight
744 "Face used for mouse highlighting in the article buffer.
746 Article buttons will be displayed in this face when the cursor is
749 :group 'gnus-article-buttons)
751 (defcustom gnus-signature-face 'gnus-signature
752 "Face used for highlighting a signature in the article buffer.
753 Obsolete; use the face `gnus-signature' for customizations instead."
755 :group 'gnus-article-highlight
756 :group 'gnus-article-signature)
758 (defface gnus-signature
761 "Face used for highlighting a signature in the article buffer."
762 :group 'gnus-article-highlight
763 :group 'gnus-article-signature)
764 ;; backward-compatibility alias
765 (put 'gnus-signature-face 'face-alias 'gnus-signature)
766 (put 'gnus-signature-face 'obsolete-face "22.1")
768 (defface gnus-header-from
771 (:foreground "PaleGreen1"))
774 (:foreground "red3"))
777 "Face used for displaying from headers."
778 :group 'gnus-article-headers
779 :group 'gnus-article-highlight)
780 ;; backward-compatibility alias
781 (put 'gnus-header-from-face 'face-alias 'gnus-header-from)
782 (put 'gnus-header-from-face 'obsolete-face "22.1")
784 (defface gnus-header-subject
787 (:foreground "SeaGreen1"))
790 (:foreground "red4"))
792 (:bold t :italic t)))
793 "Face used for displaying subject headers."
794 :group 'gnus-article-headers
795 :group 'gnus-article-highlight)
796 ;; backward-compatibility alias
797 (put 'gnus-header-subject-face 'face-alias 'gnus-header-subject)
798 (put 'gnus-header-subject-face 'obsolete-face "22.1")
800 (defface gnus-header-newsgroups
803 (:foreground "yellow" :italic t))
806 (:foreground "MidnightBlue" :italic t))
809 "Face used for displaying newsgroups headers.
810 In the default setup this face is only used for crossposted
812 :group 'gnus-article-headers
813 :group 'gnus-article-highlight)
814 ;; backward-compatibility alias
815 (put 'gnus-header-newsgroups-face 'face-alias 'gnus-header-newsgroups)
816 (put 'gnus-header-newsgroups-face 'obsolete-face "22.1")
818 (defface gnus-header-name
821 (:foreground "SpringGreen2"))
824 (:foreground "maroon"))
827 "Face used for displaying header names."
828 :group 'gnus-article-headers
829 :group 'gnus-article-highlight)
830 ;; backward-compatibility alias
831 (put 'gnus-header-name-face 'face-alias 'gnus-header-name)
832 (put 'gnus-header-name-face 'obsolete-face "22.1")
834 (defface gnus-header-content
837 (:foreground "SpringGreen1" :italic t))
840 (:foreground "indianred4" :italic t))
842 (:italic t))) "Face used for displaying header content."
843 :group 'gnus-article-headers
844 :group 'gnus-article-highlight)
845 ;; backward-compatibility alias
846 (put 'gnus-header-content-face 'face-alias 'gnus-header-content)
847 (put 'gnus-header-content-face 'obsolete-face "22.1")
849 (defcustom gnus-header-face-alist
850 '(("From" nil gnus-header-from)
851 ("Subject" nil gnus-header-subject)
852 ("Newsgroups:.*," nil gnus-header-newsgroups)
853 ("" gnus-header-name gnus-header-content))
854 "*Controls highlighting of article headers.
856 An alist of the form (HEADER NAME CONTENT).
858 HEADER is a regular expression which should match the name of a
859 header and NAME and CONTENT are either face names or nil.
861 The name of each header field will be displayed using the face
862 specified by the first element in the list where HEADER matches
863 the header name and NAME is non-nil. Similarly, the content will
864 be displayed by the first non-nil matching CONTENT face."
865 :group 'gnus-article-headers
866 :group 'gnus-article-highlight
867 :type '(repeat (list (regexp :tag "Header")
869 (item :tag "skip" nil)
870 (face :value default))
871 (choice :tag "Content"
872 (item :tag "skip" nil)
873 (face :value default)))))
875 (defcustom gnus-face-properties-alist (if (featurep 'xemacs)
876 '((xface . (:face gnus-x-face)))
877 '((pbm . (:face gnus-x-face))
879 "Alist of image types and properties applied to Face and X-Face images.
882 ;; Specify the altitude of Face images in the From header.
883 \(setq gnus-face-properties-alist
884 '((pbm . (:face gnus-x-face :ascent 80))
885 (png . (:ascent 80))))
887 ;; Show Face images as pressed buttons.
888 \(setq gnus-face-properties-alist
889 '((pbm . (:face gnus-x-face :relief -2))
890 (png . (:relief -2))))
892 See the manual for the valid properties for various image types.
893 Currently, `pbm' is used for X-Face images and `png' is used for Face
894 images in Emacs. Only the `:face' property is effective on the `xface'
895 image type in XEmacs if it is built with the libcompface library."
896 :version "23.1" ;; No Gnus
897 :group 'gnus-article-headers
898 :type '(repeat (cons :format "%v" (symbol :tag "Image type") plist)))
900 (defcustom gnus-article-decode-hook
901 '(article-decode-charset article-decode-encoded-words
902 article-decode-group-name article-decode-idna-rhs)
903 "*Hook run to decode charsets in articles."
904 :group 'gnus-article-headers
907 (defcustom gnus-display-mime-function 'gnus-display-mime
908 "Function to display MIME articles."
909 :group 'gnus-article-mime
912 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
913 "Function used to decode headers.")
915 (defvar gnus-decode-address-function 'mail-decode-encoded-address-region
916 "Function used to decode addresses.")
918 (defvar gnus-article-dumbquotes-map
938 "Table for MS-to-Latin1 translation.")
940 (defcustom gnus-ignored-mime-types nil
941 "List of MIME types that should be ignored by Gnus."
943 :group 'gnus-article-mime
944 :type '(repeat regexp))
946 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
947 "List of MIME types that should not be given buttons when rendered inline.
948 See also `gnus-buttonized-mime-types' which may override this variable.
949 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
951 :group 'gnus-article-mime
952 :type '(repeat regexp))
954 (defcustom gnus-buttonized-mime-types nil
955 "List of MIME types that should be given buttons when rendered inline.
956 If set, this variable overrides `gnus-unbuttonized-mime-types'.
957 To see e.g. security buttons you could set this to
958 `(\"multipart/signed\")'. You could also add \"multipart/alternative\" to
959 this list to display radio buttons that allow you to choose one of two
960 media types those mails include. See also `mm-discouraged-alternatives'.
961 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
963 :group 'gnus-article-mime
964 :type '(repeat regexp))
966 (defcustom gnus-inhibit-mime-unbuttonizing nil
967 "If non-nil, all MIME parts get buttons.
968 When nil (the default value), then some MIME parts do not get buttons,
969 as described by the variables `gnus-buttonized-mime-types' and
970 `gnus-unbuttonized-mime-types'."
972 :group 'gnus-article-mime
975 (defcustom gnus-body-boundary-delimiter "_"
976 "String used to delimit header and body.
977 This variable is used by `gnus-article-treat-body-boundary' which can
978 be controlled by `gnus-treat-body-boundary'."
980 :group 'gnus-article-various
981 :type '(choice (item :tag "None" :value nil)
984 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces"
986 "Defines the location of the faces database.
987 For information on obtaining this database of pretty pictures, please
988 see http://www.cs.indiana.edu/picons/ftp/index.html"
990 :type '(repeat directory)
991 :link '(url-link :tag "download"
992 "http://www.cs.indiana.edu/picons/ftp/index.html")
993 :link '(custom-manual "(gnus)Picons")
996 (defun gnus-picons-installed-p ()
997 "Say whether picons are installed on your machine."
998 (let ((installed nil))
999 (dolist (database gnus-picon-databases)
1000 (when (file-exists-p database)
1001 (setq installed t)))
1004 (defcustom gnus-article-mime-part-function nil
1005 "Function called with a MIME handle as the argument.
1006 This is meant for people who want to do something automatic based
1007 on parts -- for instance, adding Vcard info to a database."
1008 :group 'gnus-article-mime
1009 :type '(choice (const nil)
1012 (defcustom gnus-mime-multipart-functions nil
1013 "An alist of MIME types to functions to display them."
1015 :group 'gnus-article-mime
1016 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
1018 (defcustom gnus-article-date-lapsed-new-header nil
1019 "Whether the X-Sent and Date headers can coexist.
1020 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
1021 either replace the old \"Date:\" header (if this variable is nil), or
1022 be added below it (otherwise)."
1024 :group 'gnus-article-headers
1027 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
1028 "Function called with a MIME handle as the argument.
1029 This is meant for people who want to view first matched part.
1030 For `undisplayed-alternative' (default), the first undisplayed
1031 part or alternative part is used. For `undisplayed', the first
1032 undisplayed part is used. For a function, the first part which
1033 the function return t is used. For nil, the first part is
1036 :group 'gnus-article-mime
1038 (item :tag "first" :value nil)
1039 (item :tag "undisplayed" :value undisplayed)
1040 (item :tag "undisplayed or alternative"
1041 :value undisplayed-alternative)
1044 (defcustom gnus-mime-action-alist
1045 '(("save to file" . gnus-mime-save-part)
1046 ("save and strip" . gnus-mime-save-part-and-strip)
1047 ("replace with file" . gnus-mime-replace-part)
1048 ("delete part" . gnus-mime-delete-part)
1049 ("display as text" . gnus-mime-inline-part)
1050 ("view the part" . gnus-mime-view-part)
1051 ("pipe to command" . gnus-mime-pipe-part)
1052 ("toggle display" . gnus-article-press-button)
1053 ("toggle display" . gnus-article-view-part-as-charset)
1054 ("view as type" . gnus-mime-view-part-as-type)
1055 ("view internally" . gnus-mime-view-part-internally)
1056 ("view externally" . gnus-mime-view-part-externally))
1057 "An alist of actions that run on the MIME attachment."
1058 :group 'gnus-article-mime
1059 :type '(repeat (cons (string :tag "name")
1062 (defcustom gnus-auto-select-part 1
1063 "Advance to next MIME part when deleting or stripping parts.
1065 When 0, point will be placed on the same part as before. When
1066 positive (negative), move point forward (backwards) this many
1067 parts. When nil, redisplay article."
1068 :version "23.1" ;; No Gnus
1069 :group 'gnus-article-mime
1070 :type '(choice (const nil :tag "Redisplay article.")
1071 (const 1 :tag "Next part.")
1072 (const 0 :tag "Current part.")
1076 ;;; The treatment variables
1079 (defvar gnus-part-display-hook nil
1080 "Hook called on parts that are to receive treatment.")
1082 (defvar gnus-article-treat-custom
1083 '(choice (const :tag "Off" nil)
1085 (const :tag "Header" head)
1086 (const :tag "First" first)
1087 (const :tag "Last" last)
1088 (integer :tag "Less")
1089 (repeat :tag "Groups" regexp)
1090 (sexp :tag "Predicate")))
1092 (defvar gnus-article-treat-head-custom
1093 '(choice (const :tag "Off" nil)
1094 (const :tag "Header" head)))
1096 (defvar gnus-article-treat-types '("text/plain" "text/x-verbatim"
1100 (defvar gnus-inhibit-treatment nil
1101 "Whether to inhibit treatment.")
1103 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
1104 "Highlight the signature.
1105 Valid values are nil, t, `head', `first', `last', an integer or a
1106 predicate. See Info node `(gnus)Customizing Articles'."
1107 :group 'gnus-article-treat
1108 :link '(custom-manual "(gnus)Customizing Articles")
1109 :type gnus-article-treat-custom)
1110 (put 'gnus-treat-highlight-signature 'highlight t)
1112 (defcustom gnus-treat-buttonize 100000
1114 Valid values are nil, t, `head', `first', `last', an integer or a
1115 predicate. See Info node `(gnus)Customizing Articles'."
1116 :group 'gnus-article-treat
1117 :link '(custom-manual "(gnus)Customizing Articles")
1118 :type gnus-article-treat-custom)
1119 (put 'gnus-treat-buttonize 'highlight t)
1121 (defcustom gnus-treat-buttonize-head 'head
1122 "Add buttons to the head.
1123 Valid values are nil, t, `head', `first', `last', an integer or a
1124 predicate. See Info node `(gnus)Customizing Articles'."
1125 :group 'gnus-article-treat
1126 :link '(custom-manual "(gnus)Customizing Articles")
1127 :type gnus-article-treat-head-custom)
1128 (put 'gnus-treat-buttonize-head 'highlight t)
1130 (defcustom gnus-treat-emphasize 50000
1132 Valid values are nil, t, `head', `first', `last', an integer or a
1133 predicate. See Info node `(gnus)Customizing Articles'."
1134 :group 'gnus-article-treat
1135 :link '(custom-manual "(gnus)Customizing Articles")
1136 :type gnus-article-treat-custom)
1137 (put 'gnus-treat-emphasize 'highlight t)
1139 (defcustom gnus-treat-strip-cr nil
1140 "Remove carriage returns.
1141 Valid values are nil, t, `head', `first', `last', an integer or a
1142 predicate. See Info node `(gnus)Customizing Articles'."
1144 :group 'gnus-article-treat
1145 :link '(custom-manual "(gnus)Customizing Articles")
1146 :type gnus-article-treat-custom)
1148 (defcustom gnus-treat-unsplit-urls nil
1149 "Remove newlines from within URLs.
1150 Valid values are nil, t, `head', `first', `last', an integer or a
1151 predicate. See Info node `(gnus)Customizing Articles'."
1153 :group 'gnus-article-treat
1154 :link '(custom-manual "(gnus)Customizing Articles")
1155 :type gnus-article-treat-custom)
1157 (defcustom gnus-treat-leading-whitespace nil
1158 "Remove leading whitespace in headers.
1159 Valid values are nil, t, `head', `first', `last', an integer or a
1160 predicate. See Info node `(gnus)Customizing Articles'."
1162 :group 'gnus-article-treat
1163 :link '(custom-manual "(gnus)Customizing Articles")
1164 :type gnus-article-treat-custom)
1166 (defcustom gnus-treat-hide-headers 'head
1168 Valid values are nil, t, `head', `first', `last', an integer or a
1169 predicate. See Info node `(gnus)Customizing Articles'."
1170 :group 'gnus-article-treat
1171 :link '(custom-manual "(gnus)Customizing Articles")
1172 :type gnus-article-treat-head-custom)
1174 (defcustom gnus-treat-hide-boring-headers nil
1175 "Hide boring headers.
1176 Valid values are nil, t, `head', `first', `last', an integer or a
1177 predicate. See Info node `(gnus)Customizing Articles'."
1178 :group 'gnus-article-treat
1179 :link '(custom-manual "(gnus)Customizing Articles")
1180 :type gnus-article-treat-head-custom)
1182 (defcustom gnus-treat-hide-signature nil
1183 "Hide the signature.
1184 Valid values are nil, t, `head', `first', `last', an integer or a
1185 predicate. See Info node `(gnus)Customizing Articles'."
1186 :group 'gnus-article-treat
1187 :link '(custom-manual "(gnus)Customizing Articles")
1188 :type gnus-article-treat-custom)
1190 (defcustom gnus-treat-fill-article nil
1192 Valid values are nil, t, `head', `first', `last', an integer or a
1193 predicate. See Info node `(gnus)Customizing Articles'."
1194 :group 'gnus-article-treat
1195 :link '(custom-manual "(gnus)Customizing Articles")
1196 :type gnus-article-treat-custom)
1198 (defcustom gnus-treat-hide-citation nil
1200 Valid values are nil, t, `head', `first', `last', an integer or a
1201 predicate. See Info node `(gnus)Customizing Articles'."
1202 :group 'gnus-article-treat
1203 :link '(custom-manual "(gnus)Customizing Articles")
1204 :type gnus-article-treat-custom)
1206 (defcustom gnus-treat-hide-citation-maybe nil
1208 Valid values are nil, t, `head', `first', `last', an integer or a
1209 predicate. See Info node `(gnus)Customizing Articles'."
1210 :group 'gnus-article-treat
1211 :link '(custom-manual "(gnus)Customizing Articles")
1212 :type gnus-article-treat-custom)
1214 (defcustom gnus-treat-strip-list-identifiers 'head
1215 "Strip list identifiers from `gnus-list-identifiers`.
1216 Valid values are nil, t, `head', `first', `last', an integer or a
1217 predicate. See Info node `(gnus)Customizing Articles'."
1219 :group 'gnus-article-treat
1220 :link '(custom-manual "(gnus)Customizing Articles")
1221 :type gnus-article-treat-custom)
1223 (make-obsolete-variable 'gnus-treat-strip-pgp nil
1224 "Gnus 5.10 (Emacs 22.1)")
1226 (defcustom gnus-treat-strip-pem nil
1227 "Strip PEM signatures.
1228 Valid values are nil, t, `head', `first', `last', an integer or a
1229 predicate. See Info node `(gnus)Customizing Articles'."
1230 :group 'gnus-article-treat
1231 :link '(custom-manual "(gnus)Customizing Articles")
1232 :type gnus-article-treat-custom)
1234 (defcustom gnus-treat-strip-banner t
1235 "Strip banners from articles.
1236 The banner to be stripped is specified in the `banner' group parameter.
1237 Valid values are nil, t, `head', `first', `last', an integer or a
1238 predicate. See Info node `(gnus)Customizing Articles'."
1239 :group 'gnus-article-treat
1240 :link '(custom-manual "(gnus)Customizing Articles")
1241 :type gnus-article-treat-custom)
1243 (defcustom gnus-treat-highlight-headers 'head
1244 "Highlight the headers.
1245 Valid values are nil, t, `head', `first', `last', an integer or a
1246 predicate. See Info node `(gnus)Customizing Articles'."
1247 :group 'gnus-article-treat
1248 :link '(custom-manual "(gnus)Customizing Articles")
1249 :type gnus-article-treat-head-custom)
1250 (put 'gnus-treat-highlight-headers 'highlight t)
1252 (defcustom gnus-treat-highlight-citation t
1253 "Highlight cited text.
1254 Valid values are nil, t, `head', `first', `last', an integer or a
1255 predicate. See Info node `(gnus)Customizing Articles'."
1256 :group 'gnus-article-treat
1257 :link '(custom-manual "(gnus)Customizing Articles")
1258 :type gnus-article-treat-custom)
1259 (put 'gnus-treat-highlight-citation 'highlight t)
1261 (defcustom gnus-treat-date-ut nil
1262 "Display the Date in UT (GMT).
1263 Valid values are nil, t, `head', `first', `last', an integer or a
1264 predicate. See Info node `(gnus)Customizing Articles'."
1265 :group 'gnus-article-treat
1266 :link '(custom-manual "(gnus)Customizing Articles")
1267 :type gnus-article-treat-head-custom)
1269 (defcustom gnus-treat-date-local nil
1270 "Display the Date in the local timezone.
1271 Valid values are nil, t, `head', `first', `last', an integer or a
1272 predicate. See Info node `(gnus)Customizing Articles'."
1273 :group 'gnus-article-treat
1274 :link '(custom-manual "(gnus)Customizing Articles")
1275 :type gnus-article-treat-head-custom)
1277 (defcustom gnus-treat-date-english nil
1278 "Display the Date in a format that can be read aloud in English.
1279 Valid values are nil, t, `head', `first', `last', an integer or a
1280 predicate. See Info node `(gnus)Customizing Articles'."
1282 :group 'gnus-article-treat
1283 :link '(custom-manual "(gnus)Customizing Articles")
1284 :type gnus-article-treat-head-custom)
1286 (defcustom gnus-treat-date-lapsed nil
1287 "Display the Date header in a way that says how much time has elapsed.
1288 Valid values are nil, t, `head', `first', `last', an integer or a
1289 predicate. See Info node `(gnus)Customizing Articles'."
1290 :group 'gnus-article-treat
1291 :link '(custom-manual "(gnus)Customizing Articles")
1292 :type gnus-article-treat-head-custom)
1294 (defcustom gnus-treat-date-original nil
1295 "Display the date in the original timezone.
1296 Valid values are nil, t, `head', `first', `last', an integer or a
1297 predicate. See Info node `(gnus)Customizing Articles'."
1298 :group 'gnus-article-treat
1299 :link '(custom-manual "(gnus)Customizing Articles")
1300 :type gnus-article-treat-head-custom)
1302 (defcustom gnus-treat-date-iso8601 nil
1303 "Display the date in the ISO8601 format.
1304 Valid values are nil, t, `head', `first', `last', an integer or a
1305 predicate. See Info node `(gnus)Customizing Articles'."
1307 :group 'gnus-article-treat
1308 :link '(custom-manual "(gnus)Customizing Articles")
1309 :type gnus-article-treat-head-custom)
1311 (defcustom gnus-treat-date-user-defined nil
1312 "Display the date in a user-defined format.
1313 The format is defined by the `gnus-article-time-format' variable.
1314 Valid values are nil, t, `head', `first', `last', an integer or a
1315 predicate. See Info node `(gnus)Customizing Articles'."
1316 :group 'gnus-article-treat
1317 :link '(custom-manual "(gnus)Customizing Articles")
1318 :type gnus-article-treat-head-custom)
1320 (defcustom gnus-treat-strip-headers-in-body t
1321 "Strip the X-No-Archive header line from the beginning of the body.
1322 Valid values are nil, t, `head', `first', `last', an integer or a
1323 predicate. See Info node `(gnus)Customizing Articles'."
1325 :group 'gnus-article-treat
1326 :link '(custom-manual "(gnus)Customizing Articles")
1327 :type gnus-article-treat-custom)
1329 (defcustom gnus-treat-strip-trailing-blank-lines nil
1330 "Strip trailing blank lines.
1331 Valid values are nil, t, `head', `first', `last', an integer or a
1332 predicate. See Info node `(gnus)Customizing Articles'.
1334 When set to t, it also strips trailing blanks in all MIME parts.
1335 Consider to use `last' instead."
1336 :group 'gnus-article-treat
1337 :link '(custom-manual "(gnus)Customizing Articles")
1338 :type gnus-article-treat-custom)
1340 (defcustom gnus-treat-strip-leading-blank-lines nil
1341 "Strip leading blank lines.
1342 Valid values are nil, t, `head', `first', `last', an integer or a
1343 predicate. See Info node `(gnus)Customizing Articles'.
1345 When set to t, it also strips trailing blanks in all MIME parts."
1346 :group 'gnus-article-treat
1347 :link '(custom-manual "(gnus)Customizing Articles")
1348 :type gnus-article-treat-custom)
1350 (defcustom gnus-treat-strip-multiple-blank-lines nil
1351 "Strip multiple blank lines.
1352 Valid values are nil, t, `head', `first', `last', an integer or a
1353 predicate. See Info node `(gnus)Customizing Articles'."
1354 :group 'gnus-article-treat
1355 :link '(custom-manual "(gnus)Customizing Articles")
1356 :type gnus-article-treat-custom)
1358 (defcustom gnus-treat-unfold-headers 'head
1359 "Unfold folded header lines.
1360 Valid values are nil, t, `head', `first', `last', an integer or a
1361 predicate. See Info node `(gnus)Customizing Articles'."
1363 :group 'gnus-article-treat
1364 :link '(custom-manual "(gnus)Customizing Articles")
1365 :type gnus-article-treat-custom)
1367 (defcustom gnus-article-unfold-long-headers nil
1368 "If non-nil, allow unfolding headers even if the header is long.
1369 If it is a regexp, only long headers matching this regexp are unfolded.
1370 If it is t, all long headers are unfolded.
1372 This variable has no effect if `gnus-treat-unfold-headers' is nil."
1373 :version "23.1" ;; No Gnus
1374 :group 'gnus-article-treat
1375 :type '(choice (const nil)
1376 (const :tag "all" t)
1379 (defcustom gnus-treat-fold-headers nil
1381 Valid values are nil, t, `head', `first', `last', an integer or a
1382 predicate. See Info node `(gnus)Customizing Articles'."
1384 :group 'gnus-article-treat
1385 :link '(custom-manual "(gnus)Customizing Articles")
1386 :type gnus-article-treat-custom)
1388 (defcustom gnus-treat-fold-newsgroups 'head
1389 "Fold the Newsgroups and Followup-To headers.
1390 Valid values are nil, t, `head', `first', `last', an integer or a
1391 predicate. See Info node `(gnus)Customizing Articles'."
1393 :group 'gnus-article-treat
1394 :link '(custom-manual "(gnus)Customizing Articles")
1395 :type gnus-article-treat-custom)
1397 (defcustom gnus-treat-overstrike t
1398 "Treat overstrike highlighting.
1399 Valid values are nil, t, `head', `first', `last', an integer or a
1400 predicate. See Info node `(gnus)Customizing Articles'."
1401 :group 'gnus-article-treat
1402 :link '(custom-manual "(gnus)Customizing Articles")
1403 :type gnus-article-treat-custom)
1404 (put 'gnus-treat-overstrike 'highlight t)
1406 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1407 "Treat ANSI SGR control sequences.
1408 Valid values are nil, t, `head', `first', `last', an integer or a
1409 predicate. See Info node `(gnus)Customizing Articles'."
1410 :group 'gnus-article-treat
1411 :link '(custom-manual "(gnus)Customizing Articles")
1412 :type gnus-article-treat-custom)
1414 (make-obsolete-variable 'gnus-treat-display-xface
1415 'gnus-treat-display-x-face "22.1")
1417 (defcustom gnus-treat-display-x-face
1418 (and (not noninteractive)
1419 (gnus-image-type-available-p 'xbm)
1420 (if (featurep 'xemacs)
1423 (and (string-match "^0x" (shell-command-to-string "uncompface"))
1424 (executable-find "icontopbm"))
1425 ;; shell-command-to-string may signal an error, e.g. if
1426 ;; shell-file-name is not found.
1429 "Display X-Face headers.
1430 Valid values are nil and `head'.
1431 See Info node `(gnus)Customizing Articles' and Info node
1432 `(gnus)X-Face' for details."
1433 :group 'gnus-article-treat
1435 :link '(custom-manual "(gnus)Customizing Articles")
1436 :link '(custom-manual "(gnus)X-Face")
1437 :type gnus-article-treat-head-custom
1438 :set (lambda (symbol value)
1441 (cond ((or (boundp symbol) (get symbol 'saved-value))
1443 ((boundp 'gnus-treat-display-xface)
1445 ** gnus-treat-display-xface is an obsolete variable;\
1446 use gnus-treat-display-x-face instead")
1447 (default-value 'gnus-treat-display-xface))
1448 ((get 'gnus-treat-display-xface 'saved-value)
1450 ** gnus-treat-display-xface is an obsolete variable;\
1451 use gnus-treat-display-x-face instead")
1452 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1455 (put 'gnus-treat-display-x-face 'highlight t)
1457 (defcustom gnus-treat-display-face
1458 (and (not noninteractive)
1459 (gnus-image-type-available-p 'png)
1461 "Display Face headers.
1462 Valid values are nil, t, `head', `first', `last', an integer or a
1463 predicate. See Info node `(gnus)Customizing Articles' and Info
1464 node `(gnus)Face' for details."
1465 :group 'gnus-article-treat
1467 :link '(custom-manual "(gnus)Customizing Articles")
1468 :link '(custom-manual "(gnus)X-Face")
1469 :type gnus-article-treat-head-custom)
1470 (put 'gnus-treat-display-face 'highlight t)
1472 (defcustom gnus-treat-display-smileys (gnus-image-type-available-p 'xpm)
1474 Valid values are nil, t, `head', `first', `last', an integer or a
1475 predicate. See Info node `(gnus)Customizing Articles' and Info
1476 node `(gnus)Smileys' for details."
1477 :group 'gnus-article-treat
1479 :link '(custom-manual "(gnus)Customizing Articles")
1480 :link '(custom-manual "(gnus)Smileys")
1481 :type gnus-article-treat-custom)
1482 (put 'gnus-treat-display-smileys 'highlight t)
1484 (defcustom gnus-treat-from-picon
1485 (if (and (gnus-image-type-available-p 'xpm)
1486 (gnus-picons-installed-p))
1488 "Display picons in the From header.
1489 Valid values are nil, t, `head', `first', `last', an integer or a
1490 predicate. See Info node `(gnus)Customizing Articles' and Info
1491 node `(gnus)Picons' for details."
1493 :group 'gnus-article-treat
1495 :link '(custom-manual "(gnus)Customizing Articles")
1496 :link '(custom-manual "(gnus)Picons")
1497 :type gnus-article-treat-head-custom)
1498 (put 'gnus-treat-from-picon 'highlight t)
1500 (defcustom gnus-treat-mail-picon
1501 (if (and (gnus-image-type-available-p 'xpm)
1502 (gnus-picons-installed-p))
1504 "Display picons in To and Cc headers.
1505 Valid values are nil, t, `head', `first', `last', an integer or a
1506 predicate. See Info node `(gnus)Customizing Articles' and Info
1507 node `(gnus)Picons' for details."
1509 :group 'gnus-article-treat
1511 :link '(custom-manual "(gnus)Customizing Articles")
1512 :link '(custom-manual "(gnus)Picons")
1513 :type gnus-article-treat-head-custom)
1514 (put 'gnus-treat-mail-picon 'highlight t)
1516 (defcustom gnus-treat-newsgroups-picon
1517 (if (and (gnus-image-type-available-p 'xpm)
1518 (gnus-picons-installed-p))
1520 "Display picons in the Newsgroups and Followup-To headers.
1521 Valid values are nil, t, `head', `first', `last', an integer or a
1522 predicate. See Info node `(gnus)Customizing Articles' and Info
1523 node `(gnus)Picons' for details."
1525 :group 'gnus-article-treat
1527 :link '(custom-manual "(gnus)Customizing Articles")
1528 :link '(custom-manual "(gnus)Picons")
1529 :type gnus-article-treat-head-custom)
1530 (put 'gnus-treat-newsgroups-picon 'highlight t)
1532 (defcustom gnus-treat-from-gravatar
1533 (when (display-images-p) 'head)
1534 "Display gravatars in the From header.
1535 Valid values are nil, t, `head', `first', `last', an integer or a
1536 predicate. See Info node `(gnus)Customizing Articles' and Info
1537 node `(gnus)Gravatars' for details."
1539 :group 'gnus-article-treat
1540 :group 'gnus-gravatar
1541 :link '(custom-manual "(gnus)Customizing Articles")
1542 :link '(custom-manual "(gnus)Gravatars")
1543 :type gnus-article-treat-head-custom)
1544 (put 'gnus-treat-from-gravatar 'highlight t)
1546 (defcustom gnus-treat-mail-gravatar
1547 (when (display-images-p) 'head)
1548 "Display gravatars in To and Cc headers.
1549 Valid values are nil, t, `head', `first', `last', an integer or a
1550 predicate. See Info node `(gnus)Customizing Articles' and Info
1551 node `(gnus)Gravatars' for details."
1553 :group 'gnus-article-treat
1554 :group 'gnus-gravatar
1555 :link '(custom-manual "(gnus)Customizing Articles")
1556 :link '(custom-manual "(gnus)Gravatars")
1557 :type gnus-article-treat-head-custom)
1558 (put 'gnus-treat-mail-gravatar 'highlight t)
1560 (defcustom gnus-treat-body-boundary
1561 (if (or gnus-treat-newsgroups-picon
1562 gnus-treat-mail-picon
1563 gnus-treat-from-picon
1564 gnus-treat-from-gravatar
1565 gnus-treat-mail-gravatar)
1566 ;; If there's much decoration, the user might prefer a boundery.
1569 "Draw a boundary at the end of the headers.
1570 Valid values are nil and `head'.
1571 See Info node `(gnus)Customizing Articles' for details."
1573 :group 'gnus-article-treat
1574 :link '(custom-manual "(gnus)Customizing Articles")
1575 :type gnus-article-treat-head-custom)
1577 (defcustom gnus-treat-capitalize-sentences nil
1578 "Capitalize sentence-starting words.
1579 Valid values are nil, t, `head', `first', `last', an integer or a
1580 predicate. See Info node `(gnus)Customizing Articles'."
1582 :group 'gnus-article-treat
1583 :link '(custom-manual "(gnus)Customizing Articles")
1584 :type gnus-article-treat-custom)
1586 (defcustom gnus-treat-wash-html nil
1588 Valid values are nil, t, `head', `first', `last', an integer or a
1589 predicate. See Info node `(gnus)Customizing Articles'."
1591 :group 'gnus-article-treat
1592 :link '(custom-manual "(gnus)Customizing Articles")
1593 :type gnus-article-treat-custom)
1595 (defcustom gnus-treat-fill-long-lines nil
1597 Valid values are nil, t, `head', `first', `last', an integer or a
1598 predicate. See Info node `(gnus)Customizing Articles'."
1599 :group 'gnus-article-treat
1600 :link '(custom-manual "(gnus)Customizing Articles")
1601 :type gnus-article-treat-custom)
1603 (defcustom gnus-treat-play-sounds nil
1605 Valid values are nil, t, `head', `first', `last', an integer or a
1606 predicate. See Info node `(gnus)Customizing Articles'."
1608 :group 'gnus-article-treat
1609 :link '(custom-manual "(gnus)Customizing Articles")
1610 :type gnus-article-treat-custom)
1612 (defcustom gnus-treat-translate nil
1613 "Translate articles from one language to another.
1614 Valid values are nil, t, `head', `first', `last', an integer or a
1615 predicate. See Info node `(gnus)Customizing Articles'."
1617 :group 'gnus-article-treat
1618 :link '(custom-manual "(gnus)Customizing Articles")
1619 :type gnus-article-treat-custom)
1621 (defcustom gnus-treat-x-pgp-sig nil
1623 To automatically treat X-PGP-Sig, set it to head.
1624 Valid values are nil, t, `head', `first', `last', an integer or a
1625 predicate. See Info node `(gnus)Customizing Articles'."
1627 :group 'gnus-article-treat
1628 :group 'mime-security
1629 :link '(custom-manual "(gnus)Customizing Articles")
1630 :type gnus-article-treat-custom)
1632 (defvar gnus-article-encrypt-protocol-alist
1633 '(("PGP" . mml2015-self-encrypt)))
1635 ;; Set to nil if more than one protocol added to
1636 ;; gnus-article-encrypt-protocol-alist.
1637 (defcustom gnus-article-encrypt-protocol "PGP"
1638 "The protocol used for encrypt articles.
1639 It is a string, such as \"PGP\". If nil, ask user."
1642 :group 'mime-security)
1644 (defvar gnus-article-wash-function nil
1645 "Function used for converting HTML into text.")
1647 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1648 (mm-coding-system-p 'utf-8)
1649 (executable-find idna-program))
1650 "Whether IDNA decoding of headers is used when viewing messages.
1651 This requires GNU Libidn, and by default only enabled if it is found."
1653 :group 'gnus-article-headers
1656 (defcustom gnus-article-over-scroll nil
1657 "If non-nil, allow scrolling the article buffer even when there no more text."
1659 :group 'gnus-article
1662 ;;; Internal variables
1664 (defvar gnus-english-month-names
1665 '("January" "February" "March" "April" "May" "June" "July" "August"
1666 "September" "October" "November" "December"))
1668 (defvar article-goto-body-goes-to-point-min-p nil)
1669 (defvar gnus-article-wash-types nil)
1670 (defvar gnus-article-emphasis-alist nil)
1671 (defvar gnus-article-image-alist nil)
1673 (defvar gnus-article-mime-handle-alist-1 nil)
1674 (defvar gnus-treatment-function-alist
1675 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1676 (gnus-treat-strip-banner gnus-article-strip-banner)
1677 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1678 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1679 (gnus-treat-buttonize gnus-article-add-buttons)
1680 (gnus-treat-fill-article gnus-article-fill-cited-article)
1681 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1682 (gnus-treat-strip-cr gnus-article-remove-cr)
1683 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1684 (gnus-treat-date-ut gnus-article-date-ut)
1685 (gnus-treat-date-local gnus-article-date-local)
1686 (gnus-treat-date-english gnus-article-date-english)
1687 (gnus-treat-date-original gnus-article-date-original)
1688 (gnus-treat-date-user-defined gnus-article-date-user)
1689 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1690 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1691 (gnus-treat-display-x-face gnus-article-display-x-face)
1692 (gnus-treat-display-face gnus-article-display-face)
1693 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1694 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1695 (gnus-treat-hide-signature gnus-article-hide-signature)
1696 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1697 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1698 (gnus-treat-strip-pem gnus-article-hide-pem)
1699 (gnus-treat-from-picon gnus-treat-from-picon)
1700 (gnus-treat-mail-picon gnus-treat-mail-picon)
1701 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1702 (gnus-treat-from-gravatar gnus-treat-from-gravatar)
1703 (gnus-treat-mail-gravatar gnus-treat-mail-gravatar)
1704 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1705 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1706 (gnus-treat-strip-trailing-blank-lines
1707 gnus-article-remove-trailing-blank-lines)
1708 (gnus-treat-strip-leading-blank-lines
1709 gnus-article-strip-leading-blank-lines)
1710 (gnus-treat-strip-multiple-blank-lines
1711 gnus-article-strip-multiple-blank-lines)
1712 (gnus-treat-overstrike gnus-article-treat-overstrike)
1713 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1714 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1715 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1716 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1717 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1718 (gnus-treat-display-smileys gnus-treat-smiley)
1719 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1720 (gnus-treat-wash-html gnus-article-wash-html)
1721 (gnus-treat-emphasize gnus-article-emphasize)
1722 (gnus-treat-hide-citation gnus-article-hide-citation)
1723 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1724 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1725 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1726 (gnus-treat-play-sounds gnus-earcon-display)))
1728 (defvar gnus-article-mime-handle-alist nil)
1729 (defvar article-lapsed-timer nil)
1730 (defvar gnus-article-current-summary nil)
1732 (defvar gnus-article-mode-syntax-table
1733 (let ((table (copy-syntax-table text-mode-syntax-table)))
1734 ;; This causes the citation match run O(2^n).
1735 ;; (modify-syntax-entry ?- "w" table)
1736 (modify-syntax-entry ?> ")<" table)
1737 (modify-syntax-entry ?< "(>" table)
1738 ;; make M-. in article buffers work for `foo' strings
1739 (modify-syntax-entry ?' " " table)
1740 (modify-syntax-entry ?` " " table)
1742 "Syntax table used in article mode buffers.
1743 Initialized from `text-mode-syntax-table.")
1745 (defvar gnus-save-article-buffer nil)
1747 (defvar gnus-number-of-articles-to-be-saved nil)
1749 (defvar gnus-inhibit-hiding nil)
1751 (defvar gnus-article-edit-mode nil)
1753 ;;; Macros for dealing with the article buffer.
1755 (defmacro gnus-with-article-headers (&rest forms)
1756 `(with-current-buffer gnus-article-buffer
1758 (let ((inhibit-read-only t)
1759 (inhibit-point-motion-hooks t)
1760 (case-fold-search t))
1761 (article-narrow-to-head)
1764 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1765 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1767 (defmacro gnus-with-article-buffer (&rest forms)
1768 `(with-current-buffer gnus-article-buffer
1769 (let ((inhibit-read-only t))
1772 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1773 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1775 (defun gnus-article-goto-header (header)
1776 "Go to HEADER, which is a regular expression."
1777 (re-search-forward (concat "^\\(" header "\\):") nil t))
1779 (defsubst gnus-article-hide-text (b e props)
1780 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1781 (gnus-add-text-properties-when 'article-type nil b e props)
1782 (when (memq 'intangible props)
1784 (max (1- b) (point-min))
1785 b 'intangible (cddr (memq 'intangible props)))))
1787 (defsubst gnus-article-unhide-text (b e)
1788 "Remove hidden text properties from region between B and E."
1789 (remove-text-properties b e gnus-hidden-properties)
1790 (when (memq 'intangible gnus-hidden-properties)
1791 (put-text-property (max (1- b) (point-min))
1792 b 'intangible nil)))
1794 (defun gnus-article-hide-text-type (b e type)
1795 "Hide text of TYPE between B and E."
1796 (gnus-add-wash-type type)
1797 (gnus-article-hide-text
1798 b e (cons 'article-type (cons type gnus-hidden-properties))))
1800 (defun gnus-article-unhide-text-type (b e type)
1801 "Unhide text of TYPE between B and E."
1802 (gnus-delete-wash-type type)
1803 (remove-text-properties
1804 b e (cons 'article-type (cons type gnus-hidden-properties)))
1805 (when (memq 'intangible gnus-hidden-properties)
1806 (put-text-property (max (1- b) (point-min))
1807 b 'intangible nil)))
1809 (defun gnus-article-hide-text-of-type (type)
1810 "Hide text of TYPE in the current buffer."
1812 (let ((b (point-min))
1814 (while (setq b (text-property-any b e 'article-type type))
1815 (add-text-properties b (incf b) gnus-hidden-properties)))))
1817 (defun gnus-article-delete-text-of-type (type)
1818 "Delete text of TYPE in the current buffer."
1820 (let ((b (point-min)))
1821 (if (eq type 'multipart)
1822 ;; Remove MIME buttons associated with multipart/alternative parts.
1825 (while (if (get-text-property (point) 'gnus-part)
1827 (when (setq b (next-single-property-change (point)
1832 (skip-chars-forward "\n")
1833 (when (eq (get-text-property b 'article-type) 'multipart)
1834 (delete-region b (point)))))
1835 (while (setq b (text-property-any b (point-max) 'article-type type))
1837 b (or (text-property-not-all b (point-max) 'article-type type)
1840 (defun gnus-article-delete-invisible-text ()
1841 "Delete all invisible text in the current buffer."
1843 (let ((b (point-min)))
1844 (while (setq b (text-property-any b (point-max) 'invisible t))
1846 b (or (text-property-not-all b (point-max) 'invisible t)
1849 (defun gnus-article-text-type-exists-p (type)
1850 "Say whether any text of type TYPE exists in the buffer."
1851 (text-property-any (point-min) (point-max) 'article-type type))
1853 (defsubst gnus-article-header-rank ()
1854 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1855 (let ((list gnus-sorted-header-list)
1858 (if (looking-at (car list))
1860 (setq list (cdr list))
1864 (defun article-hide-headers (&optional arg delete)
1865 "Hide unwanted headers and possibly sort them as well."
1867 ;; This function might be inhibited.
1868 (unless gnus-inhibit-hiding
1869 (let ((inhibit-read-only t)
1870 (case-fold-search t)
1871 (max (1+ (length gnus-sorted-header-list)))
1872 (inhibit-point-motion-hooks t)
1873 (cur (current-buffer))
1874 ignored visible beg)
1876 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1877 ;; group parameters, so we should go to the summary buffer.
1880 (progn (set-buffer gnus-summary-buffer) t)
1882 (setq ignored (when (not gnus-visible-headers)
1883 (cond ((stringp gnus-ignored-headers)
1884 gnus-ignored-headers)
1885 ((listp gnus-ignored-headers)
1886 (mapconcat 'identity
1887 gnus-ignored-headers
1889 visible (cond ((stringp gnus-visible-headers)
1890 gnus-visible-headers)
1891 ((and gnus-visible-headers
1892 (listp gnus-visible-headers))
1893 (mapconcat 'identity
1894 gnus-visible-headers
1898 ;; First we narrow to just the headers.
1899 (article-narrow-to-head)
1900 ;; Hide any "From " lines at the beginning of (mail) articles.
1901 (while (looking-at "From ")
1904 (delete-region (point-min) (point)))
1905 ;; Then treat the rest of the header lines.
1906 ;; Then we use the two regular expressions
1907 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1908 ;; select which header lines is to remain visible in the
1910 (while (re-search-forward "^[^ \t:]*:" nil t)
1912 ;; Mark the rank of the header.
1914 (point) (1+ (point)) 'message-rank
1915 (if (or (and visible (looking-at visible))
1917 (not (looking-at ignored))))
1918 (gnus-article-header-rank)
1921 (message-sort-headers-1)
1922 (when (setq beg (text-property-any
1923 (point-min) (point-max) 'message-rank (+ 2 max)))
1924 ;; We delete the unwanted headers.
1925 (gnus-add-wash-type 'headers)
1926 (add-text-properties (point-min) (+ 5 (point-min))
1927 '(article-type headers dummy-invisible t))
1928 (delete-region beg (point-max))))))))
1930 (defun article-hide-boring-headers (&optional arg)
1931 "Toggle hiding of headers that aren't very interesting.
1932 If given a negative prefix, always show; if given a positive prefix,
1934 (interactive (gnus-article-hidden-arg))
1935 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1936 (not gnus-show-all-headers))
1939 (let ((inhibit-read-only t)
1940 (inhibit-point-motion-hooks t))
1941 (article-narrow-to-head)
1942 (dolist (elem gnus-boring-article-headers)
1943 (goto-char (point-min))
1945 ;; Hide empty headers.
1947 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1949 (gnus-article-hide-text-type
1953 (if (re-search-forward "^[^ \t]" nil t)
1957 ;; Hide boring Newsgroups header.
1958 ((eq elem 'newsgroups)
1959 (when (gnus-string-equal
1960 (gnus-fetch-field "newsgroups")
1961 (gnus-group-real-name
1962 (if (boundp 'gnus-newsgroup-name)
1965 (gnus-article-hide-header "newsgroups")))
1966 ((eq elem 'to-address)
1967 (let ((to (message-fetch-field "to"))
1969 (gnus-parameter-to-address
1970 (if (boundp 'gnus-newsgroup-name)
1971 gnus-newsgroup-name ""))))
1972 (when (and to to-address
1975 ;; only one address in To
1976 (nth 1 (mail-extract-address-components to))
1978 (gnus-article-hide-header "to"))))
1980 (let ((to (message-fetch-field "to"))
1982 (gnus-parameter-to-list
1983 (if (boundp 'gnus-newsgroup-name)
1984 gnus-newsgroup-name ""))))
1985 (when (and to to-list
1988 ;; only one address in To
1989 (nth 1 (mail-extract-address-components to))
1991 (gnus-article-hide-header "to"))))
1993 (let ((cc (message-fetch-field "cc"))
1995 (gnus-parameter-to-list
1996 (if (boundp 'gnus-newsgroup-name)
1997 gnus-newsgroup-name ""))))
1998 (when (and cc to-list
2001 ;; only one address in CC
2002 (nth 1 (mail-extract-address-components cc))
2004 (gnus-article-hide-header "cc"))))
2005 ((eq elem 'followup-to)
2006 (when (gnus-string-equal
2007 (message-fetch-field "followup-to")
2008 (message-fetch-field "newsgroups"))
2009 (gnus-article-hide-header "followup-to")))
2010 ((eq elem 'reply-to)
2011 (if (gnus-group-find-parameter
2012 gnus-newsgroup-name 'broken-reply-to)
2013 (gnus-article-hide-header "reply-to")
2014 (let ((from (message-fetch-field "from"))
2015 (reply-to (message-fetch-field "reply-to")))
2022 (lambda (x) (downcase (cadr x)))
2023 (mail-extract-address-components from t))
2026 (lambda (x) (downcase (cadr x)))
2027 (mail-extract-address-components reply-to t))
2029 (gnus-article-hide-header "reply-to")))))
2031 (let ((date (with-current-buffer gnus-original-article-buffer
2032 ;; If date in `gnus-article-buffer' is localized
2033 ;; (`gnus-treat-date-user-defined'),
2034 ;; `days-between' might fail.
2035 (message-fetch-field "date"))))
2037 (< (days-between (current-time-string) date)
2039 (gnus-article-hide-header "date"))))
2041 (let ((to (message-fetch-field "to"))
2042 (cc (message-fetch-field "cc")))
2043 (when (> (length to) 1024)
2044 (gnus-article-hide-header "to"))
2045 (when (> (length cc) 1024)
2046 (gnus-article-hide-header "cc"))))
2050 (goto-char (point-min))
2051 (while (re-search-forward "^to:" nil t)
2052 (setq to-count (1+ to-count)))
2053 (when (> to-count 1)
2054 (while (> to-count 0)
2055 (goto-char (point-min))
2057 (re-search-forward "^to:" nil nil to-count)
2059 (narrow-to-region (point) (point-max))
2060 (gnus-article-hide-header "to"))
2061 (setq to-count (1- to-count))))
2062 (goto-char (point-min))
2063 (while (re-search-forward "^cc:" nil t)
2064 (setq cc-count (1+ cc-count)))
2065 (when (> cc-count 1)
2066 (while (> cc-count 0)
2067 (goto-char (point-min))
2069 (re-search-forward "^cc:" nil nil cc-count)
2071 (narrow-to-region (point) (point-max))
2072 (gnus-article-hide-header "cc"))
2073 (setq cc-count (1- cc-count)))))))))))))
2075 (defun gnus-article-hide-header (header)
2077 (goto-char (point-min))
2078 (when (re-search-forward (concat "^" header ":") nil t)
2079 (gnus-article-hide-text-type
2083 (if (re-search-forward "^[^ \t]" nil t)
2088 (defvar gnus-article-normalized-header-length 40
2089 "Length of normalized headers.")
2091 (defun article-normalize-headers ()
2092 "Make all header lines 40 characters long."
2094 (let ((inhibit-read-only t)
2098 (article-narrow-to-head)
2101 ((< (setq column (- (point-at-eol) (point)))
2102 gnus-article-normalized-header-length)
2104 (insert (make-string
2105 (- gnus-article-normalized-header-length column)
2107 ((> column gnus-article-normalized-header-length)
2108 (gnus-put-text-property
2110 (forward-char gnus-article-normalized-header-length)
2117 (forward-line 1))))))
2119 (defun article-treat-dumbquotes ()
2120 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
2121 Note that this function guesses whether a character is a sm*rtq**t* or
2122 not, so it should only be used interactively.
2124 Sm*rtq**t*s are M****s***'s unilateral extension to the
2125 iso-8859-1 character map in an attempt to provide more quoting
2126 characters. If you see something like \\222 or \\264 where
2127 you're expecting some kind of apostrophe or quotation mark, then
2130 (article-translate-strings gnus-article-dumbquotes-map))
2132 (defun article-translate-characters (from to)
2133 "Translate all characters in the body of the article according to FROM and TO.
2134 FROM is a string of characters to translate from; to is a string of
2135 characters to translate to."
2137 (when (article-goto-body)
2138 (let ((inhibit-read-only t)
2139 (x (make-string 225 ?x))
2141 (while (< (incf i) (length x))
2144 (while (< i (length from))
2145 (aset x (aref from i) (aref to i))
2147 (translate-region (point) (point-max) x)))))
2149 (defun article-translate-strings (map)
2150 "Translate all string in the body of the article according to MAP.
2151 MAP is an alist where the elements are on the form (\"from\" \"to\")."
2153 (when (article-goto-body)
2154 (let ((inhibit-read-only t))
2157 (while (search-forward (car elem) nil t)
2158 (replace-match (cadr elem)))))))))
2160 (defun article-treat-overstrike ()
2161 "Translate overstrikes into bold text."
2164 (when (article-goto-body)
2165 (let ((inhibit-read-only t))
2166 (while (search-forward "\b" nil t)
2167 (let ((next (char-after))
2168 (previous (char-after (- (point) 2))))
2169 ;; We do the boldification/underlining by hiding the
2170 ;; overstrikes and putting the proper text property
2174 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2175 (put-text-property (point) (1+ (point)) 'face 'bold))
2177 (gnus-article-hide-text-type
2178 (1- (point)) (1+ (point)) 'overstrike)
2180 (- (point) 2) (1- (point)) 'face 'underline))
2182 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2184 (point) (1+ (point)) 'face 'underline)))))))))
2186 (defun article-treat-ansi-sequences ()
2187 "Translate ANSI SGR control sequences into overlays or extents."
2190 (when (article-goto-body)
2191 (let ((inhibit-read-only t))
2192 (ansi-color-apply-on-region (point) (point-max))))))
2194 (defun gnus-article-treat-unfold-headers ()
2195 "Unfold folded message headers.
2196 Only the headers that fit into the current window width will be
2199 (gnus-with-article-headers
2203 (mail-header-narrow-to-field)
2204 (let* ((header (buffer-string))
2206 (or (equal gnus-article-unfold-long-headers t)
2207 (and (stringp gnus-article-unfold-long-headers)
2208 (string-match gnus-article-unfold-long-headers header)))))
2211 (goto-char (point-min))
2212 (while (re-search-forward "\n[\t ]" nil t)
2213 (replace-match " " t t)))
2214 (setq length (- (point-max) (point-min) 1))
2215 (when (or unfoldable
2216 (< length (window-width)))
2217 (while (re-search-forward "\n[\t ]" nil t)
2218 (replace-match " " t t))))
2219 (goto-char (point-max)))))))
2221 (defun gnus-article-treat-fold-headers ()
2222 "Fold message headers."
2224 (gnus-with-article-headers
2227 (mail-header-narrow-to-field)
2228 (mail-header-fold-field)
2229 (goto-char (point-max))))))
2231 (defun gnus-treat-smiley ()
2232 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2234 (gnus-with-article-buffer
2235 (if (memq 'smiley gnus-article-wash-types)
2236 (gnus-delete-images 'smiley)
2238 (let ((images (smiley-region (point) (point-max))))
2240 (gnus-add-wash-type 'smiley)
2241 (dolist (image images)
2242 (gnus-add-image 'smiley image)))))))
2244 (defun gnus-article-remove-images ()
2245 "Remove all images from the article buffer."
2247 (gnus-with-article-buffer
2248 (dolist (elem gnus-article-image-alist)
2249 (gnus-delete-images (car elem)))))
2251 (defun gnus-article-treat-fold-newsgroups ()
2252 "Unfold folded message headers.
2253 Only the headers that fit into the current window width will be
2256 (gnus-with-article-headers
2257 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2259 (mail-header-narrow-to-field)
2260 (while (re-search-forward ", *" nil t)
2261 (replace-match ", " t t))
2262 (mail-header-fold-field)
2263 (goto-char (point-max))))))
2265 (defcustom gnus-article-truncate-lines (default-value 'truncate-lines)
2266 "Value of `truncate-lines' in Gnus Article buffer.
2267 Valid values are nil, t, `head', `first', `last', an integer or a
2268 predicate. See Info node `(gnus)Customizing Articles'."
2269 :version "23.1" ;; No Gnus
2270 :group 'gnus-article
2271 ;; :link '(custom-manual "(gnus)Customizing Articles")
2274 (defun gnus-article-toggle-truncate-lines (&optional arg)
2275 "Toggle whether to fold or truncate long lines in article the buffer.
2276 If ARG is non-nil and not a number, toggle
2277 `gnus-article-truncate-lines' too. If ARG is a number, truncate
2278 long lines if and only if arg is positive."
2281 ((and (numberp arg) (> arg 0))
2282 (setq gnus-article-truncate-lines t))
2284 (setq gnus-article-truncate-lines nil))
2286 (setq gnus-article-truncate-lines
2287 (not gnus-article-truncate-lines))))
2288 (gnus-with-article-buffer
2290 ((and (numberp arg) (> arg 0))
2291 (setq truncate-lines nil))
2293 (setq truncate-lines t)))
2294 ;; In versions of Emacs 22 (CVS) before 2006-05-26,
2295 ;; `toggle-truncate-lines' needs an argument.
2296 (toggle-truncate-lines)))
2298 (defun gnus-article-treat-body-boundary ()
2299 "Place a boundary line at the end of the headers."
2301 (when (and gnus-body-boundary-delimiter
2302 (> (length gnus-body-boundary-delimiter) 0))
2303 (gnus-with-article-headers
2304 (goto-char (point-max))
2305 (let ((start (point)))
2306 (insert "X-Boundary: ")
2307 (gnus-add-text-properties start (point) '(invisible t intangible t))
2309 (while (>= (1- (window-width)) (length str))
2310 (setq str (concat str gnus-body-boundary-delimiter)))
2311 (substring str 0 (1- (window-width))))
2313 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2315 (defun article-fill-long-lines ()
2316 "Fill lines that are wider than the window width."
2319 (let ((inhibit-read-only t)
2320 (width (window-width (get-buffer-window (current-buffer)))))
2323 (let ((adaptive-fill-mode nil)) ;Why? -sm
2326 (when (>= (current-column) (min fill-column width))
2327 (narrow-to-region (min (1+ (point)) (point-max))
2329 (let ((goback (point-marker)))
2330 (fill-paragraph nil)
2331 (goto-char (marker-position goback)))
2333 (forward-line 1)))))))
2335 (defun article-capitalize-sentences ()
2336 "Capitalize the first word in each sentence."
2339 (let ((inhibit-read-only t)
2340 (paragraph-start "^[\n\^L]"))
2344 (forward-sentence)))))
2346 (defun article-remove-cr ()
2347 "Remove trailing CRs and then translate remaining CRs into LFs."
2350 (let ((inhibit-read-only t))
2351 (goto-char (point-min))
2352 (while (re-search-forward "\r+$" nil t)
2353 (replace-match "" t t))
2354 (goto-char (point-min))
2355 (while (search-forward "\r" nil t)
2356 (replace-match "\n" t t)))))
2358 (defun article-remove-trailing-blank-lines ()
2359 "Remove all trailing blank lines from the article."
2362 (let ((inhibit-read-only t))
2363 (goto-char (point-max))
2367 (while (and (not (bobp))
2368 (looking-at "^[ \t]*$")
2369 (not (gnus-annotation-in-region-p
2370 (point) (point-at-eol))))
2375 (defvar gnus-face-properties-alist)
2377 (defun article-display-face (&optional force)
2378 "Display any Face headers in the header."
2379 (interactive (list 'force))
2380 (let ((wash-face-p buffer-read-only))
2381 (gnus-with-article-headers
2382 ;; When displaying parts, this function can be called several times on
2383 ;; the same article, without any intended toggle semantic (as typing `W
2384 ;; D d' would have). So face deletion must occur only when we come from
2385 ;; an interactive command, that is when the *Article* buffer is
2387 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2388 (gnus-delete-images 'face)
2389 (let ((from (message-fetch-field "from"))
2391 (save-current-buffer
2392 (when (and wash-face-p
2393 (gnus-buffer-live-p gnus-original-article-buffer)
2394 (not (re-search-forward "^Face:[\t ]*" nil t)))
2395 (set-buffer gnus-original-article-buffer))
2397 (mail-narrow-to-head)
2399 ;; Check whether this face is censored.
2400 (not (and gnus-article-x-face-too-ugly
2402 (setq from (message-fetch-field "from")))
2403 (string-match gnus-article-x-face-too-ugly
2405 (while (gnus-article-goto-header "Face")
2406 (push (mail-header-field-value) faces)))))
2408 (goto-char (point-min))
2410 (unless (setq from (gnus-article-goto-header "from"))
2413 (insert " [no `from' set]\n"))
2415 (when (setq png (gnus-convert-face-to-png (pop faces)))
2417 (apply 'gnus-create-image png 'png t
2418 (cdr (assq 'png gnus-face-properties-alist))))
2420 (gnus-add-wash-type 'face)
2421 (gnus-add-image 'face image)
2422 (gnus-put-image image nil 'face))))))))))
2424 (defun article-display-x-face (&optional force)
2425 "Look for an X-Face header and display it if present."
2426 (interactive (list 'force))
2427 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2428 (gnus-with-article-headers
2429 ;; Delete the old process, if any.
2430 (when (process-status "article-x-face")
2431 (delete-process "article-x-face"))
2432 ;; See the comment in `article-display-face'.
2433 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2434 ;; We have already displayed X-Faces, so we remove them
2436 (gnus-delete-images 'xface)
2438 (let ((from (message-fetch-field "from"))
2440 (save-current-buffer
2441 (when (and wash-face-p
2442 (gnus-buffer-live-p gnus-original-article-buffer)
2443 (not (re-search-forward "^X-Face:[\t ]*" nil t)))
2444 ;; If type `W f', use gnus-original-article-buffer,
2445 ;; otherwise use the current buffer because displaying
2446 ;; RFC822 parts calls this function too.
2447 (set-buffer gnus-original-article-buffer))
2449 (mail-narrow-to-head)
2450 (and gnus-article-x-face-command
2452 ;; Check whether this face is censored.
2453 (not (and gnus-article-x-face-too-ugly
2455 (setq from (message-fetch-field "from")))
2456 (string-match gnus-article-x-face-too-ugly
2458 (while (gnus-article-goto-header "X-Face")
2459 (push (mail-header-field-value) x-faces)))))
2461 ;; We display the face.
2462 (cond ((functionp gnus-article-x-face-command)
2463 ;; The command is a lisp function, so we call it.
2464 (mapc gnus-article-x-face-command x-faces))
2465 ((stringp gnus-article-x-face-command)
2466 ;; The command is a string, so we interpret the command
2467 ;; as a, well, command, and fork it off.
2468 (let ((process-connection-type nil))
2469 (gnus-set-process-query-on-exit-flag
2471 "article-x-face" nil shell-file-name
2472 shell-command-switch gnus-article-x-face-command)
2474 ;; Sending multiple EOFs to xv doesn't work,
2475 ;; so we only do a single external face.
2477 (insert (car x-faces))
2478 (process-send-region "article-x-face"
2479 (point-min) (point-max)))
2480 (process-send-eof "article-x-face")))
2482 (error "`%s' set to `%s' is not a function"
2483 gnus-article-x-face-command
2484 'gnus-article-x-face-command)))))))))
2486 (defun article-decode-mime-words ()
2487 "Decode all MIME-encoded words in the article."
2489 (gnus-with-article-buffer
2490 (let ((inhibit-point-motion-hooks t)
2491 (mail-parse-charset gnus-newsgroup-charset)
2492 (mail-parse-ignored-charsets
2493 (with-current-buffer gnus-summary-buffer
2494 gnus-newsgroup-ignored-charsets)))
2495 (mail-decode-encoded-word-region (point-min) (point-max)))))
2497 (defun article-decode-charset (&optional prompt)
2498 "Decode charset-encoded text in the article.
2499 If PROMPT (the prefix), prompt for a coding system to use."
2501 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2502 (inhibit-read-only t)
2503 (mail-parse-charset gnus-newsgroup-charset)
2504 (mail-parse-ignored-charsets
2505 (save-excursion (condition-case nil
2506 (set-buffer gnus-summary-buffer)
2508 gnus-newsgroup-ignored-charsets))
2509 ct cte ctl charset format)
2512 (article-narrow-to-head)
2513 (setq ct (message-fetch-field "Content-Type" t)
2514 cte (message-fetch-field "Content-Transfer-Encoding" t)
2515 ctl (and ct (mail-header-parse-content-type ct))
2518 (mm-read-coding-system "Charset to decode: "))
2520 (mail-content-type-get ctl 'charset)))
2521 format (and ctl (mail-content-type-get ctl 'format)))
2523 (setq cte (mail-header-strip cte)))
2524 (if (and ctl (not (string-match "/" (car ctl))))
2526 (goto-char (point-max)))
2529 (narrow-to-region (point) (point-max))
2530 (when (and (eq mail-parse-charset 'gnus-decoded)
2531 (eq (mm-body-7-or-8) '8bit))
2532 ;; The text code could have been decoded.
2533 (setq charset mail-parse-charset))
2534 (when (and (or (not ctl)
2535 (equal (car ctl) "text/plain"))
2536 (not format)) ;; article with format will decode later.
2538 charset (and cte (intern (downcase
2539 (gnus-strip-whitespace cte))))
2542 (defun article-decode-encoded-words ()
2543 "Remove encoded-word encoding from headers."
2544 (let ((inhibit-point-motion-hooks t)
2545 (mail-parse-charset gnus-newsgroup-charset)
2546 (mail-parse-ignored-charsets
2547 (save-excursion (condition-case nil
2548 (set-buffer gnus-summary-buffer)
2550 gnus-newsgroup-ignored-charsets))
2551 (inhibit-read-only t)
2553 (goto-char (point-min))
2554 (when (search-forward "\n\n" nil 'move)
2561 (memq (char-after) '(?\t ? )))))
2562 (setq start (point))
2564 \\(?:Resent-\\)?\\(?:From\\|Cc\\|To\\|Bcc\\|\\(?:In-\\)?Reply-To\\|Sender\
2565 \\|Mail-Followup-To\\|Mail-Copies-To\\|Approved\\):")
2566 (funcall gnus-decode-address-function start end)
2567 (funcall gnus-decode-header-function start end))
2568 (goto-char (setq end start)))))
2570 (defun article-decode-group-name ()
2571 "Decode group names in Newsgroups, Followup-To and Xref headers."
2572 (let ((inhibit-point-motion-hooks t)
2573 (inhibit-read-only t)
2574 (method (gnus-find-method-for-group gnus-newsgroup-name))
2576 (when (and (or gnus-group-name-charset-method-alist
2577 gnus-group-name-charset-group-alist)
2578 (gnus-buffer-live-p gnus-original-article-buffer))
2580 (article-narrow-to-head)
2581 (dolist (header '("Newsgroups" "Followup-To" "Xref"))
2582 (with-current-buffer gnus-original-article-buffer
2583 (goto-char (point-min)))
2584 (setq regexp (concat "^" header
2585 ":\\([^\n]*\\(?:\n[\t ]+[^\n]+\\)*\\)\n"))
2586 (while (re-search-forward regexp nil t)
2587 (replace-match (save-match-data
2588 (gnus-decode-newsgroups
2589 ;; XXX how to use data in article buffer?
2590 (with-current-buffer gnus-original-article-buffer
2591 (re-search-forward regexp nil t)
2593 gnus-newsgroup-name method))
2595 (goto-char (point-min)))))))
2597 (autoload 'idna-to-unicode "idna")
2599 (defun article-decode-idna-rhs ()
2600 "Decode IDNA strings in RHS in various headers in current buffer.
2601 The following headers are decoded: From:, To:, Cc:, Reply-To:,
2602 Mail-Reply-To: and Mail-Followup-To:."
2605 (let ((inhibit-point-motion-hooks t)
2606 (inhibit-read-only t))
2607 (article-narrow-to-head)
2608 (goto-char (point-min))
2609 (while (re-search-forward "@[^ \t\n\r,>]*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2611 (when (save-match-data
2612 (and (setq ace (match-string 1))
2614 (and (re-search-backward "^[^ \t]" nil t)
2615 (looking-at "From\\|To\\|Cc\\|Reply-To\\|Mail-Reply-To\\|Mail-Followup-To")))
2616 (setq unicode (idna-to-unicode ace))))
2617 (unless (string= ace unicode)
2618 (replace-match unicode nil nil nil 1)))))))))
2620 (defun article-de-quoted-unreadable (&optional force read-charset)
2621 "Translate a quoted-printable-encoded article.
2622 If FORCE, decode the article whether it is marked as quoted-printable
2624 If READ-CHARSET, ask for a coding system."
2625 (interactive (list 'force current-prefix-arg))
2627 (let ((inhibit-read-only t) type charset)
2628 (if (gnus-buffer-live-p gnus-original-article-buffer)
2629 (with-current-buffer gnus-original-article-buffer
2631 (gnus-fetch-field "content-transfer-encoding"))
2632 (let* ((ct (gnus-fetch-field "content-type"))
2633 (ctl (and ct (mail-header-parse-content-type ct))))
2634 (setq charset (and ctl
2635 (mail-content-type-get ctl 'charset)))
2636 (if (stringp charset)
2637 (setq charset (intern (downcase charset)))))))
2639 (setq charset (mm-read-coding-system "Charset: " charset)))
2641 (setq charset gnus-newsgroup-charset))
2643 (and type (let ((case-fold-search t))
2644 (string-match "quoted-printable" type))))
2646 (quoted-printable-decode-region
2647 (point) (point-max) (mm-charset-to-coding-system charset))))))
2649 (defun article-de-base64-unreadable (&optional force read-charset)
2650 "Translate a base64 article.
2651 If FORCE, decode the article whether it is marked as base64 not.
2652 If READ-CHARSET, ask for a coding system."
2653 (interactive (list 'force current-prefix-arg))
2655 (let ((inhibit-read-only t) type charset)
2656 (if (gnus-buffer-live-p gnus-original-article-buffer)
2657 (with-current-buffer gnus-original-article-buffer
2659 (gnus-fetch-field "content-transfer-encoding"))
2660 (let* ((ct (gnus-fetch-field "content-type"))
2661 (ctl (and ct (mail-header-parse-content-type ct))))
2662 (setq charset (and ctl
2663 (mail-content-type-get ctl 'charset)))
2664 (if (stringp charset)
2665 (setq charset (intern (downcase charset)))))))
2667 (setq charset (mm-read-coding-system "Charset: " charset)))
2669 (setq charset gnus-newsgroup-charset))
2671 (and type (let ((case-fold-search t))
2672 (string-match "base64" type))))
2675 (narrow-to-region (point) (point-max))
2676 (base64-decode-region (point-min) (point-max))
2677 (mm-decode-coding-region
2678 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2683 (defun article-decode-HZ ()
2684 "Translate a HZ-encoded article."
2688 (let ((inhibit-read-only t))
2689 (rfc1843-decode-region (point-min) (point-max)))))
2691 (defun article-unsplit-urls ()
2692 "Remove the newlines that some other mailers insert into URLs."
2695 (let ((inhibit-read-only t))
2696 (goto-char (point-min))
2697 (while (re-search-forward
2698 "\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2699 (replace-match "\\1\\3" t)))
2700 (when (interactive-p)
2701 (gnus-treat-article nil))))
2704 (defun article-wash-html (&optional read-charset)
2705 "Format an HTML article.
2706 If READ-CHARSET, ask for a coding system. If it is a number, the
2707 charset defined in `gnus-summary-show-article-charset-alist' is used."
2710 (let ((inhibit-read-only t)
2713 (if (or (and (numberp read-charset)
2717 gnus-summary-show-article-charset-alist))))
2718 (setq charset (mm-read-coding-system "Charset: ")))
2719 (let ((gnus-summary-show-article-charset-alist
2720 (list (cons 1 charset))))
2721 (with-current-buffer gnus-summary-buffer
2722 (gnus-summary-show-article 1)))
2723 (error "No charset is given"))
2724 (when (gnus-buffer-live-p gnus-original-article-buffer)
2725 (with-current-buffer gnus-original-article-buffer
2726 (let* ((ct (gnus-fetch-field "content-type"))
2727 (ctl (and ct (mail-header-parse-content-type ct))))
2728 (setq charset (and ctl
2729 (mail-content-type-get ctl 'charset)))
2730 (when (stringp charset)
2731 (setq charset (intern (downcase charset)))))))
2733 (setq charset gnus-newsgroup-charset)))
2735 (save-window-excursion
2737 (narrow-to-region (point) (point-max))
2738 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2739 (entry (assq func mm-text-html-washer-alist)))
2741 (setq func (cdr entry)))
2746 (apply (car func) (cdr func))))))))))
2749 (declare-function w3-region "ext:w3-display" (st nd))
2751 (defun gnus-article-wash-html-with-w3 ()
2752 "Wash the current buffer with w3."
2754 (let ((w3-strict-width (window-width))
2755 (url-standalone-mode t)
2756 (url-gateway-unplugged t)
2757 (w3-honor-stylesheets nil))
2759 (w3-region (point-min) (point-max))
2763 (declare-function w3m-region "ext:w3m" (start end &optional url charset))
2765 (defun gnus-article-wash-html-with-w3m ()
2766 "Wash the current buffer with emacs-w3m."
2768 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
2769 w3m-force-redisplay)
2770 (w3m-region (point-min) (point-max)))
2771 ;; Put the mark meaning this part was rendered by emacs-w3m.
2772 (put-text-property (point-min) (point-max) 'mm-inline-text-html-with-w3m t)
2773 (when (and mm-inline-text-html-with-w3m-keymap
2774 (boundp 'w3m-minor-mode-map)
2776 (if (and (boundp 'w3m-link-map)
2778 (let* ((start (point-min))
2780 (on (get-text-property start 'w3m-href-anchor))
2781 (map (copy-keymap w3m-link-map))
2783 (set-keymap-parent map w3m-minor-mode-map)
2784 (while (< start end)
2787 (setq next (or (text-property-any start end
2788 'w3m-href-anchor nil)
2790 (put-text-property start next 'keymap map))
2791 (setq next (or (text-property-not-all start end
2792 'w3m-href-anchor nil)
2794 (put-text-property start next 'keymap w3m-minor-mode-map))
2797 (put-text-property (point-min) (point-max) 'keymap w3m-minor-mode-map))))
2799 (defvar charset) ;; Bound by `article-wash-html'.
2801 (defun gnus-article-wash-html-with-w3m-standalone ()
2802 "Wash the current buffer with w3m."
2803 (if (mm-w3m-standalone-supports-m17n-p)
2805 (unless (mm-coding-system-p charset) ;; Bound by `article-wash-html'.
2807 (setq charset 'iso-8859-1))
2808 (let ((coding-system-for-write charset)
2809 (coding-system-for-read charset))
2810 (call-process-region
2811 (point-min) (point-max)
2812 "w3m" t t nil "-dump" "-T" "text/html"
2813 "-I" (symbol-name charset) "-O" (symbol-name charset))))
2814 (mm-inline-wash-with-stdin nil "w3m" "-dump" "-T" "text/html")))
2816 (defvar gnus-article-browse-html-temp-list nil
2817 "List of temporary files created by `gnus-article-browse-html-parts'.
2818 Internal variable.")
2820 (defcustom gnus-article-browse-delete-temp 'ask
2821 "What to do with temporary files from `gnus-article-browse-html-parts'.
2822 If nil, don't delete temporary files. If it is t, delete them on
2823 exit from the summary buffer. If it is the symbol `file', query
2824 on each file, if it is `ask' ask once when exiting from the
2826 :group 'gnus-article
2827 :version "23.1" ;; No Gnus
2828 :type '(choice (const :tag "Don't delete" nil)
2829 (const :tag "Don't ask" t)
2830 (const :tag "Ask" ask)
2831 (const :tag "Ask for each file" file)))
2833 ;; Cf. mm-postponed-undisplay-list / mm-destroy-postponed-undisplay-list.
2835 (defun gnus-article-browse-delete-temp-files (&optional how)
2836 "Delete temp-files created by `gnus-article-browse-html-parts'."
2837 (when (and gnus-article-browse-html-temp-list
2839 (or how (setq how gnus-article-browse-delete-temp))
2841 (let ((files (length gnus-article-browse-html-temp-list)))
2842 (gnus-y-or-n-p (format
2843 "Delete all %s temporary HTML file%s? "
2845 (if (> files 1) "s" ""))))
2847 (dolist (file gnus-article-browse-html-temp-list)
2848 (cond ((file-directory-p file)
2849 (when (or (not (eq how 'file))
2852 "Delete temporary HTML file(s) in directory `%s'? "
2853 (file-name-as-directory file))))
2854 (gnus-delete-directory file)))
2855 ((file-exists-p file)
2856 (when (or (not (eq how 'file))
2858 (format "Delete temporary HTML file `%s'? " file)))
2859 (delete-file file)))))
2860 ;; Also remove file from the list when not deleted or if file doesn't
2862 (setq gnus-article-browse-html-temp-list nil))
2863 gnus-article-browse-html-temp-list)
2865 (defun gnus-article-browse-html-save-cid-content (cid handles directory)
2866 "Find CID content in HANDLES and save it in a file in DIRECTORY.
2871 (dolist (handle handles)
2873 ((not (listp handle)))
2874 ((equal (mm-handle-media-supertype handle) "multipart")
2875 (when (setq file (gnus-article-browse-html-save-cid-content
2876 cid handle directory))
2877 (throw 'found file)))
2878 ((equal (concat "<" cid ">") (mm-handle-id handle))
2881 (or (mail-content-type-get
2882 (mm-handle-disposition handle) 'filename)
2883 (mail-content-type-get
2884 (setq type (mm-handle-type handle)) 'name)
2886 (make-temp-name "cid")
2887 (car (rassoc (car type) mailcap-mime-extensions))))
2889 (mm-save-part-to-file handle file)
2890 (throw 'found file))))))))
2892 (defun gnus-article-browse-html-parts (list &optional header)
2893 "View all \"text/html\" parts from LIST.
2894 Recurse into multiparts. The optional HEADER that should be a decoded
2895 message header will be added to the bodies of the \"text/html\" parts."
2896 ;; Internal function used by `gnus-article-browse-html-article'.
2897 (let (type file charset content cid-dir tmp-file showed)
2898 ;; Find and show the html-parts.
2899 (dolist (handle list)
2900 ;; If HTML, show it:
2901 (cond ((not (listp handle)))
2902 ((or (equal (car (setq type (mm-handle-type handle))) "text/html")
2903 (and (equal (car type) "message/external-body")
2905 (setq file (or (mail-content-type-get type 'name)
2906 (mail-content-type-get
2907 (mm-handle-disposition handle)
2909 (or (mm-handle-cache handle)
2910 (condition-case code
2911 (progn (mm-extern-cache-contents handle) t)
2913 (gnus-message 3 "%s" (error-message-string code))
2914 (when (>= gnus-verbose 3) (sit-for 2))
2917 (setq handle (mm-handle-cache handle)
2918 type (mm-handle-type handle))
2919 (equal (car type) "text/html"))))
2920 (setq charset (mail-content-type-get type 'charset)
2921 content (mm-get-part handle))
2923 (if (eq charset 'gnus-decoded)
2924 (mm-enable-multibyte)
2925 (mm-disable-multibyte))
2927 ;; resolve cid contents
2928 (let ((case-fold-search t)
2930 (goto-char (point-min))
2931 (while (re-search-forward "\
2932 <img[\t\n ]+\\(?:[^\t\n >]+[\t\n ]+\\)*src=\"\\(cid:\\([^\"]+\\)\\)\""
2935 (setq cid-dir (mm-make-temp-file "cid" t))
2936 (add-to-list 'gnus-article-browse-html-temp-list cid-dir))
2939 (when (setq cid-file
2940 (gnus-article-browse-html-save-cid-content
2942 (with-current-buffer gnus-article-buffer
2943 gnus-article-mime-handles)
2945 (replace-match (concat "file://" cid-file)
2947 (unless content (setq content (buffer-string))))
2948 (when (or charset header (not file))
2949 (setq tmp-file (mm-make-temp-file
2950 ;; Do we need to care for 8.3 filenames?
2951 "mm-" nil ".html")))
2952 ;; Add a meta html tag to specify charset and a header.
2955 (let (title eheader body hcharset coding force-charset)
2957 (mm-enable-multibyte)
2958 (setq case-fold-search t)
2959 (insert header "\n")
2960 (setq title (message-fetch-field "subject"))
2961 (goto-char (point-min))
2962 (while (re-search-forward "\\(<\\)\\|\\(>\\)\\|&" nil t)
2963 (replace-match (cond ((match-beginning 1) "<")
2964 ((match-beginning 2) ">")
2966 (goto-char (point-min))
2968 (goto-char (point-max))
2969 (insert "</pre>\n<hr>\n")
2970 ;; We have to examine charset one by one since
2971 ;; charset specified in parts might be different.
2972 (if (eq charset 'gnus-decoded)
2973 (setq charset 'utf-8
2974 eheader (mm-encode-coding-string (buffer-string)
2977 (mm-encode-coding-string title charset))
2978 body (mm-encode-coding-string content charset)
2980 (setq hcharset (mm-find-mime-charset-region (point-min)
2982 (cond ((= (length hcharset) 1)
2983 (setq hcharset (car hcharset)
2984 coding (mm-charset-to-coding-system
2986 ((> (length hcharset) 1)
2987 (setq hcharset 'utf-8
2993 (mm-charset-to-coding-system charset))
2994 (if (eq coding body)
2995 (setq eheader (mm-encode-coding-string
2996 (buffer-string) coding)
2998 (mm-encode-coding-string
3001 (setq charset 'utf-8
3002 eheader (mm-encode-coding-string
3003 (buffer-string) charset)
3005 (mm-encode-coding-string
3007 body (mm-encode-coding-string
3008 (mm-decode-coding-string
3012 (setq charset hcharset
3013 eheader (mm-encode-coding-string
3014 (buffer-string) coding)
3016 (mm-encode-coding-string
3019 (setq eheader (mm-string-as-unibyte (buffer-string))
3022 (mm-disable-multibyte)
3025 (mm-add-meta-html-tag handle charset force-charset))
3027 (goto-char (point-min))
3028 (unless (search-forward "<title>" nil t)
3029 (re-search-forward "<head>\\s-*" nil t)
3030 (insert "<title>" title "</title>\n")))
3031 (goto-char (point-min))
3032 (or (re-search-forward
3033 "<body\\(?:\\s-+[^>]+\\|\\s-*\\)>\\s-*" nil t)
3035 "</head\\(?:\\s-+[^>]+\\|\\s-*\\)>\\s-*" nil t))
3037 (mm-write-region (point-min) (point-max)
3038 tmp-file nil nil nil 'binary t))))
3040 (mm-with-unibyte-buffer
3041 (insert (if (eq charset 'gnus-decoded)
3042 (mm-encode-coding-string content
3043 (setq charset 'utf-8))
3045 (if (or (mm-add-meta-html-tag handle charset)
3047 (mm-write-region (point-min) (point-max)
3048 tmp-file nil nil nil 'binary t)
3049 (setq tmp-file nil))))
3051 (mm-save-part-to-file handle tmp-file)))
3053 (add-to-list 'gnus-article-browse-html-temp-list tmp-file))
3054 (add-hook 'gnus-summary-prepare-exit-hook
3055 'gnus-article-browse-delete-temp-files)
3056 (add-hook 'gnus-exit-gnus-hook
3058 (gnus-article-browse-delete-temp-files t)))
3059 ;; FIXME: Warn if there's an <img> tag?
3060 (browse-url-of-file (or tmp-file (expand-file-name file)))
3062 ;; If multipart, recurse
3063 ((equal (mm-handle-media-supertype handle) "multipart")
3064 (when (gnus-article-browse-html-parts handle header)
3066 ((equal (mm-handle-media-type handle) "message/rfc822")
3067 (mm-with-multibyte-buffer
3068 (mm-insert-part handle)
3069 (setq handle (mm-dissect-buffer t t))
3070 (when (and (bufferp (car handle))
3071 (stringp (car (mm-handle-type handle))))
3072 (setq handle (list handle)))
3074 (article-decode-encoded-words)
3075 (let ((gnus-visible-headers
3076 (or (get 'gnus-visible-headers 'standard-value)
3077 gnus-visible-headers)))
3078 (article-hide-headers))
3079 (goto-char (point-min))
3080 (search-forward "\n\n" nil 'move)
3081 (skip-chars-backward "\t\n ")
3082 (setq header (buffer-substring (point-min) (point)))))
3084 (gnus-article-browse-html-parts handle header)
3085 (mm-destroy-parts handle))
3089 (defun gnus-article-browse-html-article (&optional arg)
3090 "View \"text/html\" parts of the current article with a WWW browser.
3091 Inline images embedded in a message using the cid scheme, as they are
3092 generally considered to be safe, will be processed properly.
3093 The message header is added to the beginning of every html part unless
3094 the prefix argument ARG is given.
3096 Warning: Spammers use links to images (using the http scheme) in HTML
3097 articles to verify whether you have read the message. As
3098 `gnus-article-browse-html-article' passes the HTML content to the
3099 browser without eliminating these \"web bugs\" you should only
3100 use it for mails from trusted senders.
3102 If you always want to display HTML parts in the browser, set
3103 `mm-text-html-renderer' to nil.
3105 This command creates temporary files to pass HTML contents including
3106 images if any to the browser, and deletes them when exiting the group
3108 ;; Cf. `mm-w3m-safe-url-regexp'
3111 (gnus-summary-show-article)
3112 (let ((gnus-visible-headers (or (get 'gnus-visible-headers 'standard-value)
3113 gnus-visible-headers))
3114 ;; As we insert a <hr>, there's no need for the body boundary.
3115 (gnus-treat-body-boundary nil))
3116 (gnus-summary-show-article)))
3117 (with-current-buffer gnus-article-buffer
3118 (let ((header (unless arg
3121 (buffer-substring-no-properties
3122 (goto-char (point-min))
3123 (if (search-forward "\n\n" nil t)
3125 (goto-char (point-max))
3126 (skip-chars-backward "\t\n ")
3129 (set-buffer gnus-original-article-buffer)
3130 (setq parts (mm-dissect-buffer t t))
3131 ;; If singlepart, enforce a list.
3132 (when (and (bufferp (car parts))
3133 (stringp (car (mm-handle-type parts))))
3134 (setq parts (list parts)))
3136 (unless (gnus-article-browse-html-parts parts header)
3137 (gnus-error 3 "Mail doesn't contain a \"text/html\" part!"))
3138 (mm-destroy-parts parts)
3140 (gnus-summary-show-article)))))
3142 (defun article-hide-list-identifiers ()
3143 "Remove list identifies from the Subject header.
3144 The `gnus-list-identifiers' variable specifies what to do."
3146 (let ((inhibit-point-motion-hooks t)
3147 (regexp (if (consp gnus-list-identifiers)
3148 (mapconcat 'identity gnus-list-identifiers " *\\|")
3149 gnus-list-identifiers))
3150 (inhibit-read-only t))
3154 (article-narrow-to-head)
3155 (goto-char (point-min))
3156 (while (re-search-forward
3157 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
3159 (delete-region (match-beginning 2) (match-end 0))
3160 (beginning-of-line))
3161 (when (re-search-forward
3162 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
3163 (delete-region (match-beginning 1) (match-end 1))))))))
3165 (defun article-hide-pem (&optional arg)
3166 "Toggle hiding of any PEM headers and signatures in the current article.
3167 If given a negative prefix, always show; if given a positive prefix,
3169 (interactive (gnus-article-hidden-arg))
3170 (unless (gnus-article-check-hidden-text 'pem arg)
3172 (let ((inhibit-read-only t) end)
3173 (goto-char (point-min))
3174 ;; Hide the horrendously ugly "header".
3175 (when (and (search-forward
3176 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
3178 (setq end (1+ (match-beginning 0))))
3179 (gnus-add-wash-type 'pem)
3180 (gnus-article-hide-text-type
3182 (if (search-forward "\n\n" nil t)
3186 ;; Hide the trailer as well
3187 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
3189 (gnus-article-hide-text-type
3190 (match-beginning 0) (match-end 0) 'pem)))))))
3192 (defun article-strip-banner ()
3193 "Strip the banners specified by the `banner' group parameter and by
3194 `gnus-article-address-banner-alist'."
3198 (let ((inhibit-point-motion-hooks t))
3199 (when (gnus-parameter-banner gnus-newsgroup-name)
3200 (article-really-strip-banner
3201 (gnus-parameter-banner gnus-newsgroup-name)))
3202 (when gnus-article-address-banner-alist
3203 ;; Note that the From header is decoded here, so it is
3204 ;; required that the *-extract-address-components function
3205 ;; supports non-ASCII text.
3206 (let ((from (save-restriction
3208 (article-narrow-to-head)
3209 (mail-fetch-field "from"))))
3212 (cadr (funcall gnus-extract-address-components
3215 (dolist (pair gnus-article-address-banner-alist)
3216 (when (string-match (car pair) from)
3218 (article-really-strip-banner (cdr pair)))))))))))))
3220 (defun article-really-strip-banner (banner)
3221 "Strip the banner specified by the argument."
3224 (let ((inhibit-point-motion-hooks t)
3225 (gnus-signature-limit nil)
3226 (inhibit-read-only t))
3229 ((eq banner 'signature)
3230 (when (gnus-article-narrow-to-signature)
3233 (delete-region (point) (point-max))))
3235 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
3236 (while (re-search-forward banner nil t)
3237 (delete-region (match-beginning 0) (match-end 0)))))
3239 (while (re-search-forward banner nil t)
3240 (delete-region (match-beginning 0) (match-end 0)))))))))
3242 (defun article-babel ()
3243 "Translate article using an online translation service."
3246 (gnus-with-article-buffer
3247 (when (article-goto-body)
3248 (let* ((start (point))
3250 (orig (buffer-substring start end))
3251 (trans (babel-as-string orig)))
3253 (narrow-to-region start end)
3254 (delete-region start end)
3257 (defun article-hide-signature (&optional arg)
3258 "Hide the signature in the current article.
3259 If given a negative prefix, always show; if given a positive prefix,
3261 (interactive (gnus-article-hidden-arg))
3262 (unless (gnus-article-check-hidden-text 'signature arg)
3265 (let ((inhibit-read-only t))
3266 (when (gnus-article-narrow-to-signature)
3267 (gnus-article-hide-text-type
3268 (point-min) (point-max) 'signature))))))
3269 (gnus-set-mode-line 'article))
3271 (defun article-strip-headers-in-body ()
3272 "Strip offensive headers from bodies."
3276 (let ((case-fold-search t))
3277 (when (looking-at "x-no-archive:")
3278 (gnus-delete-line)))))
3280 (defun article-strip-leading-blank-lines ()
3281 "Remove all blank lines from the beginning of the article."
3284 (let ((inhibit-point-motion-hooks t)
3285 (inhibit-read-only t))
3286 (when (article-goto-body)
3287 (while (and (not (eobp))
3288 (looking-at "[ \t]*$"))
3289 (gnus-delete-line))))))
3291 (defun article-narrow-to-head ()
3292 "Narrow the buffer to the head of the message.
3293 Point is left at the beginning of the narrowed-to region."
3295 (goto-char (point-min))
3296 (if (search-forward "\n\n" nil 1)
3299 (goto-char (point-min)))
3301 (defun article-goto-body ()
3302 "Place point at the start of the body."
3303 (goto-char (point-min))
3305 ;; This variable is only bound when dealing with separate
3307 (article-goto-body-goes-to-point-min-p
3309 ((search-forward "\n\n" nil t)
3312 (goto-char (point-max))
3315 (defun article-strip-multiple-blank-lines ()
3316 "Replace consecutive blank lines with one empty line."
3319 (let ((inhibit-point-motion-hooks t)
3320 (inhibit-read-only t))
3321 ;; First make all blank lines empty.
3323 (while (re-search-forward "^[ \t]+$" nil t)
3324 (unless (gnus-annotation-in-region-p
3325 (match-beginning 0) (match-end 0))
3326 (replace-match "" nil t)))
3327 ;; Then replace multiple empty lines with a single empty line.
3329 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
3330 (unless (gnus-annotation-in-region-p
3331 (match-beginning 0) (match-end 0))
3332 (delete-region (match-beginning 1) (match-end 1)))))))
3334 (defun article-strip-leading-space ()
3335 "Remove all white space from the beginning of the lines in the article."
3338 (let ((inhibit-point-motion-hooks t)
3339 (inhibit-read-only t))
3341 (while (re-search-forward "^[ \t]+" nil t)
3342 (replace-match "" t t)))))
3344 (defun article-strip-trailing-space ()
3345 "Remove all white space from the end of the lines in the article."
3348 (let ((inhibit-point-motion-hooks t)
3349 (inhibit-read-only t))
3351 (while (re-search-forward "[ \t]+$" nil t)
3352 (replace-match "" t t)))))
3354 (defun article-strip-blank-lines ()
3355 "Strip leading, trailing and multiple blank lines."
3357 (article-strip-leading-blank-lines)
3358 (article-remove-trailing-blank-lines)
3359 (article-strip-multiple-blank-lines))
3361 (defun article-strip-all-blank-lines ()
3362 "Strip all blank lines."
3365 (let ((inhibit-point-motion-hooks t)
3366 (inhibit-read-only t))
3368 (while (re-search-forward "^[ \t]*\n" nil t)
3369 (replace-match "" t t)))))
3371 (defun gnus-article-narrow-to-signature ()
3372 "Narrow to the signature; return t if a signature is found, else nil."
3373 (let ((inhibit-point-motion-hooks t))
3374 (when (gnus-article-search-signature)
3376 ;; Check whether we have some limits to what we consider
3377 ;; to be a signature.
3378 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
3379 (list gnus-signature-limit)))
3381 (while (setq limit (pop limits))
3382 (if (or (and (integerp limit)
3383 (< (- (point-max) (point)) limit))
3385 (< (count-lines (point) (point-max)) limit))
3386 (and (functionp limit)
3388 (and (stringp limit)
3389 (not (re-search-forward limit nil t))))
3390 () ; This limit did not succeed.
3394 (narrow-to-region (point) (point-max))
3397 (defun gnus-article-search-signature ()
3398 "Search the current buffer for the signature separator.
3399 Put point at the beginning of the signature separator."
3400 (let ((cur (point)))
3401 (goto-char (point-max))
3402 (if (if (stringp gnus-signature-separator)
3403 (re-search-backward gnus-signature-separator nil t)
3404 (let ((seps gnus-signature-separator))
3406 (not (re-search-backward (car seps) nil t)))
3413 (defun gnus-article-hidden-arg ()
3414 "Return the current prefix arg as a number, or 0 if no prefix."
3415 (list (if current-prefix-arg
3416 (prefix-numeric-value current-prefix-arg)
3419 (defun gnus-article-check-hidden-text (type arg)
3420 "Return nil if hiding is necessary.
3421 Arg can be nil or a number. nil and positive means hide, negative
3422 means show, 0 means toggle."
3425 (let ((hide (gnus-article-hidden-text-p type)))
3431 (gnus-article-show-hidden-text type)
3434 (if (eq hide 'hidden)
3436 (gnus-article-show-hidden-text type)
3440 (defun gnus-article-hidden-text-p (type)
3441 "Say whether the current buffer contains hidden text of type TYPE."
3442 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
3444 (not (get-text-property pos 'invisible))
3445 (not (get-text-property pos 'dummy-invisible)))
3447 (text-property-any (1+ pos) (point-max) 'article-type type)))
3452 (defun gnus-article-show-hidden-text (type &optional dummy)
3453 "Show all hidden text of type TYPE.
3454 Originally it is hide instead of DUMMY."
3455 (let ((inhibit-read-only t)
3456 (inhibit-point-motion-hooks t))
3457 (gnus-remove-text-properties-when
3459 (point-min) (point-max)
3460 (cons 'article-type (cons type
3461 gnus-hidden-properties)))
3462 (gnus-delete-wash-type type)))
3464 (defconst article-time-units
3465 `((year . ,(* 365.25 24 60 60))
3466 (week . ,(* 7 24 60 60))
3467 (day . ,(* 24 60 60))
3471 "Mapping from time units to seconds.")
3473 (defun gnus-article-forward-header ()
3474 "Move point to the start of the next header.
3475 If the current header is a continuation header, this can be several
3480 (if (looking-at "[ \t]+[^ \t]")
3484 (defun article-date-ut (&optional type highlight)
3485 "Convert DATE date to universal time in the current article.
3486 If TYPE is `local', convert to local time; if it is `lapsed', output
3487 how much time has lapsed since DATE. For `lapsed', the value of
3488 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
3489 should replace the \"Date:\" one, or should be added below it."
3490 (interactive (list 'ut t))
3491 (let* ((tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
3492 (date-regexp (cond ((not gnus-article-date-lapsed-new-header)
3496 (article-lapsed-timer
3500 (case-fold-search t)
3501 (inhibit-read-only t)
3502 (inhibit-point-motion-hooks t)
3503 pos date bface eface)
3507 (goto-char (point-min))
3508 (while (or (setq date (get-text-property (setq pos (point))
3510 (when (setq pos (next-single-property-change
3511 (point) 'original-date))
3512 (setq date (get-text-property pos 'original-date))
3515 pos (if (setq pos (text-property-any pos (point-max)
3516 'original-date nil))
3519 (if (or (bolp) (eobp))
3523 (goto-char (point-min))
3524 (when (re-search-forward tdate-regexp nil t)
3525 (setq bface (get-text-property (point-at-bol) 'face)
3526 eface (get-text-property (1- (point-at-eol)) 'face)))
3527 (goto-char (point-min))
3529 ;; Delete any old Date headers.
3530 (while (re-search-forward date-regexp nil t)
3532 (delete-region (point-at-bol) (progn
3533 (gnus-article-forward-header)
3535 (delete-region (point-at-bol) (progn
3536 (gnus-article-forward-header)
3539 (setq pos (point))))
3540 (when (and (not pos)
3541 (re-search-forward tdate-regexp nil t))
3543 (gnus-goto-char pos)
3544 (insert (article-make-date-line date (or type 'ut)))
3550 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
3551 (put-text-property (match-beginning 1) (1+ (match-end 1))
3553 (put-text-property (match-beginning 2) (match-end 2)
3555 (put-text-property (point-min) (1- (point-max)) 'original-date date)
3556 (goto-char (point-max))
3559 (defun article-make-date-line (date type)
3560 "Return a DATE line of TYPE."
3561 (unless (memq type '(local ut original user iso8601 lapsed english))
3562 (error "Unknown conversion type: %s" type))
3564 (let ((time (date-to-time date)))
3566 ;; Convert to the local timezone.
3568 (concat "Date: " (message-make-date time)))
3569 ;; Convert to Universal Time.
3574 (let* ((e (parse-time-string date))
3575 (tm (apply 'encode-time e))
3577 (ls (- (cadr tm) (car (current-time-zone time)))))
3578 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
3579 ((> ls 65535) (list (1+ ms) (- ls 65536)))
3583 ;; Get the original date from the article.
3584 ((eq type 'original)
3585 (concat "Date: " (if (string-match "\n+$" date)
3586 (substring date 0 (match-beginning 0))
3588 ;; Let the user define the format.
3590 (let ((format (or (condition-case nil
3591 (with-current-buffer gnus-summary-buffer
3592 gnus-article-time-format)
3594 gnus-article-time-format)))
3595 (if (functionp format)
3596 (funcall format time)
3597 (concat "Date: " (format-time-string format time)))))
3600 (let ((tz (car (current-time-zone time))))
3603 (format-time-string "%Y%m%dT%H%M%S" time)
3604 (format "%s%02d%02d"
3605 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3606 (/ (% (abs tz) 3600) 60)))))
3607 ;; Do an X-Sent lapsed format.
3609 ;; If the date is seriously mangled, the timezone functions are
3610 ;; liable to bug out, so we ignore all errors.
3611 (let* ((now (current-time))
3612 (real-time (subtract-time now time))
3613 (real-sec (and real-time
3614 (+ (* (float (car real-time)) 65536)
3616 (sec (and real-time (abs real-sec)))
3626 ;; This is a bit convoluted, but basically we go
3627 ;; through the time units for years, weeks, etc,
3628 ;; and divide things to see whether that results
3629 ;; in positive answers.
3632 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
3633 ;; The (remaining) seconds are too few to
3634 ;; be divided into this time unit.
3636 ;; It's big enough, so we output it.
3637 (setq sec (- sec (* num (cdr unit))))
3639 (concat (if prev ", " "") (int-to-string
3641 " " (symbol-name (car unit))
3642 (if (> num 1) "s" ""))
3644 article-time-units "")
3645 ;; If dates are odd, then it might appear like the
3646 ;; article was sent in the future.
3649 " in the future"))))))
3650 ;; Display the date in proper English
3652 (let ((dtime (decode-time time)))
3655 (number-to-string (nth 3 dtime))
3656 (let ((digit (% (nth 3 dtime) 10)))
3658 ((memq (nth 3 dtime) '(11 12 13)) "th")
3664 (nth (1- (nth 4 dtime)) gnus-english-month-names)
3666 (number-to-string (nth 5 dtime))
3668 (format "%02d" (nth 2 dtime))
3670 (format "%02d" (nth 1 dtime)))))))
3672 (format "Date: %s (from Gnus)" date))))
3674 (defun article-date-local (&optional highlight)
3675 "Convert the current article date to the local timezone."
3676 (interactive (list t))
3677 (article-date-ut 'local highlight))
3679 (defun article-date-english (&optional highlight)
3680 "Convert the current article date to something that is proper English."
3681 (interactive (list t))
3682 (article-date-ut 'english highlight))
3684 (defun article-date-original (&optional highlight)
3685 "Convert the current article date to what it was originally.
3686 This is only useful if you have used some other date conversion
3687 function and want to see what the date was before converting."
3688 (interactive (list t))
3689 (article-date-ut 'original highlight))
3691 (defun article-date-lapsed (&optional highlight)
3692 "Convert the current article date to time lapsed since it was sent."
3693 (interactive (list t))
3694 (article-date-ut 'lapsed highlight))
3696 (defun article-update-date-lapsed ()
3697 "Function to be run from a timer to update the lapsed time line."
3699 (let (deactivate-mark)
3704 (set-buffer (window-buffer w))
3705 (when (eq major-mode 'gnus-article-mode)
3706 (let ((mark (point-marker)))
3707 (goto-char (point-min))
3708 (when (re-search-forward "^X-Sent:" nil t)
3709 (article-date-lapsed t))
3710 (goto-char (marker-position mark))
3711 (move-marker mark nil))))
3714 (defun gnus-start-date-timer (&optional n)
3715 "Start a timer to update the X-Sent header in the article buffers.
3716 The numerical prefix says how frequently (in seconds) the function
3721 (gnus-stop-date-timer)
3722 (setq article-lapsed-timer
3723 (run-at-time 1 n 'article-update-date-lapsed)))
3725 (defun gnus-stop-date-timer ()
3726 "Stop the X-Sent timer."
3728 (when article-lapsed-timer
3729 (nnheader-cancel-timer article-lapsed-timer)
3730 (setq article-lapsed-timer nil)))
3732 (defun article-date-user (&optional highlight)
3733 "Convert the current article date to the user-defined format.
3734 This format is defined by the `gnus-article-time-format' variable."
3735 (interactive (list t))
3736 (article-date-ut 'user highlight))
3738 (defun article-date-iso8601 (&optional highlight)
3739 "Convert the current article date to ISO8601."
3740 (interactive (list t))
3741 (article-date-ut 'iso8601 highlight))
3743 (defmacro gnus-article-save-original-date (&rest forms)
3744 "Save the original date as a text property and evaluate FORMS."
3745 `(let* ((case-fold-search t)
3747 (goto-char (point-min))
3748 (when (and (re-search-forward "^date:[\t\n ]+" nil t)
3751 (date (when (and start
3752 (re-search-forward "[\t ]*\n\\(?:[^\t ]\\|\\'\\)"
3754 (buffer-substring-no-properties start
3755 (match-beginning 0)))))
3756 (goto-char (point-max))
3757 (skip-chars-backward "\n")
3758 (put-text-property (point-min) (point) 'original-date date)
3760 (goto-char (point-max))
3761 (skip-chars-backward "\n")
3762 (put-text-property (point-min) (point) 'original-date date)))
3764 ;; (defun article-show-all ()
3765 ;; "Show all hidden text in the article buffer."
3768 ;; (let ((inhibit-read-only t))
3769 ;; (gnus-article-unhide-text (point-min) (point-max)))))
3771 (defun article-remove-leading-whitespace ()
3772 "Remove excessive whitespace from all headers."
3776 (let ((inhibit-read-only t))
3777 (article-narrow-to-head)
3778 (goto-char (point-min))
3779 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3780 (delete-region (match-beginning 1) (match-end 1)))))))
3782 (defun article-emphasize (&optional arg)
3783 "Emphasize text according to `gnus-emphasis-alist'."
3784 (interactive (gnus-article-hidden-arg))
3785 (unless (gnus-article-check-hidden-text 'emphasis arg)
3789 (with-current-buffer gnus-summary-buffer
3790 gnus-article-emphasis-alist)
3792 gnus-emphasis-alist))
3793 (inhibit-read-only t)
3794 (props (append '(article-type emphasis)
3795 gnus-hidden-properties))
3796 regexp elem beg invisible visible face)
3799 (while (setq elem (pop alist))
3801 (setq regexp (car elem)
3802 invisible (nth 1 elem)
3803 visible (nth 2 elem)
3805 (while (re-search-forward regexp nil t)
3806 (when (and (match-beginning visible) (match-beginning invisible))
3807 (gnus-article-hide-text
3808 (match-beginning invisible) (match-end invisible) props)
3809 (gnus-article-unhide-text-type
3810 (match-beginning visible) (match-end visible) 'emphasis)
3811 (gnus-put-overlay-excluding-newlines
3812 (match-beginning visible) (match-end visible) 'face face)
3813 (gnus-add-wash-type 'emphasis)
3814 (goto-char (match-end invisible)))))))))
3816 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3817 "Setup newsgroup emphasis alist."
3818 (unless gnus-article-emphasis-alist
3819 (let ((name (and gnus-newsgroup-name
3820 (gnus-group-real-name gnus-newsgroup-name))))
3821 (make-local-variable 'gnus-article-emphasis-alist)
3822 (setq gnus-article-emphasis-alist
3824 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3825 (while (setq elem (pop alist))
3826 (when (and name (string-match (car elem) name))
3828 highlight (copy-sequence (cdr elem)))))
3830 (copy-sequence highlight-words)
3831 (if gnus-newsgroup-name
3832 (copy-sequence (gnus-group-find-parameter
3833 gnus-newsgroup-name 'highlight-words t)))
3834 gnus-emphasis-alist)))))
3836 (defvar gnus-summary-article-menu)
3837 (defvar gnus-summary-post-menu)
3839 ;;; Saving functions.
3841 (defun gnus-article-save (save-buffer file &optional num)
3842 "Save the currently selected article."
3843 (when (or (get gnus-default-article-saver :headers)
3844 (not gnus-save-all-headers))
3845 ;; Remove headers according to `gnus-saved-headers' or the value
3846 ;; of the `:headers' property that the saver function might have.
3847 (let ((gnus-visible-headers
3848 (or (symbol-value (get gnus-default-article-saver :headers))
3849 gnus-saved-headers gnus-visible-headers))
3850 ;; Ignore group parameter. See `article-hide-headers'.
3851 (gnus-summary-buffer nil))
3852 (with-current-buffer save-buffer
3853 (article-hide-headers 1 t))))
3854 (save-window-excursion
3855 (if (not gnus-default-article-saver)
3856 (error "No default saver is defined")
3857 ;; !!! Magic! The saving functions all save
3858 ;; `gnus-save-article-buffer' (or so they think), but we
3859 ;; bind that variable to our save-buffer.
3860 (set-buffer gnus-article-buffer)
3861 (let* ((gnus-save-article-buffer save-buffer)
3864 ((not gnus-prompt-before-saving) 'default)
3865 ((eq gnus-prompt-before-saving 'always) nil)
3867 (gnus-number-of-articles-to-be-saved
3868 (when (eq gnus-prompt-before-saving t)
3870 (set-buffer gnus-article-current-summary)
3871 (funcall gnus-default-article-saver filename)))))
3873 (defun gnus-read-save-file-name (prompt &optional filename
3874 function group headers variable
3877 (funcall function group headers (symbol-value variable)))
3882 ((eq filename 'default)
3888 (when (symbol-value dir-var)
3889 (setq default-name (expand-file-name
3890 (file-name-nondirectory default-name)
3891 (symbol-value dir-var))))
3892 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3895 (if (and gnus-number-of-articles-to-be-saved
3896 (> gnus-number-of-articles-to-be-saved 1))
3897 (format "these %d articles"
3898 gnus-number-of-articles-to-be-saved)
3901 ;; Let the split methods have their say.
3903 ;; No split name was found.
3906 (concat prompt " (default "
3907 (file-name-nondirectory default-name) "): ")
3908 (file-name-directory default-name)
3910 ;; A single group name is returned.
3911 ((stringp split-name)
3913 (funcall function split-name headers
3914 (symbol-value variable)))
3916 (concat prompt " (default "
3917 (file-name-nondirectory default-name) "): ")
3918 (file-name-directory default-name)
3920 ;; A single split name was found
3921 ((= 1 (length split-name))
3922 (let* ((name (expand-file-name
3924 gnus-article-save-directory))
3925 (dir (cond ((file-directory-p name)
3926 (file-name-as-directory name))
3927 ((file-exists-p name) name)
3928 (t gnus-article-save-directory))))
3930 (concat prompt " (default " name "): ")
3932 ;; A list of splits was found.
3934 (setq split-name (nreverse split-name))
3936 (let ((file-name-history
3937 (nconc split-name file-name-history)))
3941 (concat prompt " (`M-p' for defaults): ")
3942 gnus-article-save-directory
3944 gnus-article-save-directory)))
3945 (car (push result file-name-history)))))))
3946 ;; Create the directory.
3947 (gnus-make-directory (file-name-directory file))
3948 ;; If we have read a directory, we append the default file name.
3949 (when (file-directory-p file)
3950 (setq file (expand-file-name (file-name-nondirectory
3952 (file-name-as-directory file))))
3953 ;; Possibly translate some characters.
3954 (nnheader-translate-file-chars file))))))
3955 (gnus-make-directory (file-name-directory result))
3957 (set variable result))
3959 (set dir-var (file-name-directory result)))
3962 (defun gnus-article-archive-name (group)
3963 "Return the first instance of an \"Archive-name\" in the current buffer."
3964 (let ((case-fold-search t))
3965 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3966 (nnheader-concat gnus-article-save-directory
3967 (match-string 1)))))
3969 (defun gnus-article-nndoc-name (group)
3970 "If GROUP is an nndoc group, return the name of the parent group."
3971 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3972 (gnus-group-get-parameter group 'save-article-group)))
3974 (defun gnus-summary-save-in-rmail (&optional filename)
3975 "Append this article to Rmail 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 rmail file" filename
3980 gnus-rmail-save-name gnus-newsgroup-name
3981 gnus-current-headers 'gnus-newsgroup-last-rmail))
3982 (gnus-eval-in-buffer-window gnus-save-article-buffer
3986 ;; Note that unlike gnus-summary-save-in-mail, there is no
3987 ;; check to see if filename is Babyl. Rmail in Emacs 23 does
3989 (gnus-output-to-rmail filename))))
3992 (defun gnus-summary-save-in-mail (&optional filename)
3993 "Append this article to Unix mail file.
3994 Optional argument FILENAME specifies file name.
3995 Directory to save to is default to `gnus-article-save-directory'."
3996 (setq filename (gnus-read-save-file-name
3997 "Save %s in Unix mail file" filename
3998 gnus-mail-save-name gnus-newsgroup-name
3999 gnus-current-headers 'gnus-newsgroup-last-mail))
4000 (gnus-eval-in-buffer-window gnus-save-article-buffer
4004 (if (and (file-readable-p filename)
4005 (file-regular-p filename)
4006 (mail-file-babyl-p filename))
4007 (gnus-output-to-rmail filename)
4008 (gnus-output-to-mail filename)))))
4011 (put 'gnus-summary-save-in-file :decode t)
4012 (put 'gnus-summary-save-in-file :headers 'gnus-saved-headers)
4013 (defun gnus-summary-save-in-file (&optional filename overwrite)
4014 "Append this article to file.
4015 Optional argument FILENAME specifies file name.
4016 Directory to save to is default to `gnus-article-save-directory'."
4017 (setq filename (gnus-read-save-file-name
4018 "Save %s in file" filename
4019 gnus-file-save-name gnus-newsgroup-name
4020 gnus-current-headers 'gnus-newsgroup-last-file))
4021 (gnus-eval-in-buffer-window gnus-save-article-buffer
4025 (when (and overwrite
4026 (file-exists-p filename))
4027 (delete-file filename))
4028 (gnus-output-to-file filename))))
4031 (put 'gnus-summary-write-to-file :decode t)
4032 (put 'gnus-summary-write-to-file :function 'gnus-summary-save-in-file)
4033 (put 'gnus-summary-write-to-file :headers 'gnus-saved-headers)
4034 (defun gnus-summary-write-to-file (&optional filename)
4035 "Write this article to a file, overwriting it if the file exists.
4036 Optional argument FILENAME specifies file name.
4037 The directory to save in defaults to `gnus-article-save-directory'."
4038 (setq filename (gnus-read-save-file-name
4039 "Save %s in file" filename
4040 gnus-file-save-name gnus-newsgroup-name
4041 gnus-current-headers nil 'gnus-newsgroup-last-directory))
4042 (gnus-summary-save-in-file filename t))
4044 (put 'gnus-summary-save-body-in-file :decode t)
4045 (defun gnus-summary-save-body-in-file (&optional filename overwrite)
4046 "Append this article body to a file.
4047 Optional argument FILENAME specifies file name.
4048 The directory to save in defaults to `gnus-article-save-directory'."
4049 (setq filename (gnus-read-save-file-name
4050 "Save %s body in file" filename
4051 gnus-file-save-name gnus-newsgroup-name
4052 gnus-current-headers 'gnus-newsgroup-last-file))
4053 (gnus-eval-in-buffer-window gnus-save-article-buffer
4057 (when (article-goto-body)
4058 (narrow-to-region (point) (point-max)))
4059 (when (and overwrite
4060 (file-exists-p filename))
4061 (delete-file filename))
4062 (gnus-output-to-file filename))))
4065 (put 'gnus-summary-write-body-to-file :decode t)
4066 (put 'gnus-summary-write-body-to-file
4067 :function 'gnus-summary-save-body-in-file)
4068 (defun gnus-summary-write-body-to-file (&optional filename)
4069 "Write this article body to a file, overwriting it if the file exists.
4070 Optional argument FILENAME specifies file name.
4071 The directory to save in defaults to `gnus-article-save-directory'."
4072 (setq filename (gnus-read-save-file-name
4073 "Save %s body in file" filename
4074 gnus-file-save-name gnus-newsgroup-name
4075 gnus-current-headers nil 'gnus-newsgroup-last-directory))
4076 (gnus-summary-save-body-in-file filename t))
4078 (put 'gnus-summary-save-in-pipe :decode t)
4079 (put 'gnus-summary-save-in-pipe :headers 'gnus-saved-headers)
4080 (defun gnus-summary-save-in-pipe (&optional command raw)
4081 "Pipe this article to subprocess COMMAND.
4082 Valid values for COMMAND include:
4084 The executable command name and possibly arguments.
4086 You will be prompted for the command in the minibuffer.
4087 the symbol `default'
4088 It will be replaced with the command which the variable
4089 `gnus-summary-pipe-output-default-command' holds or the command
4090 last used for saving.
4091 Non-nil value for RAW overrides `:decode' and `:headers' properties
4092 and the raw article including all headers will be piped."
4093 (let ((article (gnus-summary-article-number))
4095 (get 'gnus-summary-save-in-pipe :decode)))
4096 save-buffer default)
4098 (if (vectorp (gnus-summary-article-header article))
4099 (save-current-buffer
4100 (gnus-summary-select-article decode decode nil article)
4101 (insert-buffer-substring
4105 gnus-original-article-buffer)
4107 (nnheader-set-temp-buffer " *Gnus Save*"))))
4108 ;; Remove unwanted headers.
4109 (when (and (not raw)
4110 (or (get 'gnus-summary-save-in-pipe :headers)
4111 (not gnus-save-all-headers)))
4112 (let ((gnus-visible-headers
4113 (or (symbol-value (get 'gnus-summary-save-in-pipe
4115 gnus-saved-headers gnus-visible-headers))
4116 (gnus-summary-buffer nil))
4117 (article-hide-headers 1 t))))
4118 (error "%d is not a real article" article))
4119 (error "No article to pipe"))
4120 (setq default (or gnus-summary-pipe-output-default-command
4121 gnus-last-shell-command))
4122 (unless (stringp command)
4124 (if (and (eq command 'default) default)
4126 (gnus-read-shell-command "Shell command on this article: "
4128 (when (string-equal command "")
4130 (setq command default)
4131 (error "A command is required")))
4132 (gnus-eval-in-buffer-window save-buffer
4135 (shell-command-on-region (point-min) (point-max) command nil)))
4136 (gnus-kill-buffer save-buffer))
4137 (setq gnus-summary-pipe-output-default-command command))
4139 (defun gnus-summary-pipe-to-muttprint (&optional command)
4140 "Pipe this article to muttprint."
4141 (unless (stringp command)
4142 (setq command (read-string
4143 "Print using command: " gnus-summary-muttprint-program
4144 nil gnus-summary-muttprint-program)))
4145 (let ((gnus-summary-pipe-output-default-command
4146 gnus-summary-pipe-output-default-command))
4147 (gnus-summary-save-in-pipe command))
4148 (setq gnus-summary-muttprint-program command))
4150 ;;; Article file names when saving.
4152 (defun gnus-capitalize-newsgroup (newsgroup)
4153 "Capitalize NEWSGROUP name."
4154 (when (not (zerop (length newsgroup)))
4155 (concat (char-to-string (upcase (aref newsgroup 0)))
4156 (substring newsgroup 1))))
4158 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
4159 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
4160 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
4161 Otherwise, it is like ~/News/news/group/num."
4164 (concat (if (gnus-use-long-file-name 'not-save)
4165 (gnus-capitalize-newsgroup newsgroup)
4166 (gnus-newsgroup-directory-form newsgroup))
4167 "/" (int-to-string (mail-header-number headers)))
4168 gnus-article-save-directory)))
4170 (string-equal (file-name-directory default)
4171 (file-name-directory last-file))
4172 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
4174 (or last-file default))))
4176 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
4177 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
4178 If variable `gnus-use-long-file-name' is non-nil, it is
4179 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
4182 (concat (if (gnus-use-long-file-name 'not-save)
4184 (gnus-newsgroup-directory-form newsgroup))
4185 "/" (int-to-string (mail-header-number headers)))
4186 gnus-article-save-directory)))
4188 (string-equal (file-name-directory default)
4189 (file-name-directory last-file))
4190 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
4192 (or last-file default))))
4194 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
4195 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
4196 If variable `gnus-use-long-file-name' is non-nil, it is
4197 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
4200 (if (gnus-use-long-file-name 'not-save)
4203 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
4205 gnus-article-save-directory)))
4207 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
4208 "Generate file name from sender."
4209 (let ((from (mail-header-from headers)))
4211 (if (and from (string-match "\\([^ <]+\\)@" from))
4212 (match-string 1 from)
4214 gnus-article-save-directory)))
4216 (defun article-verify-x-pgp-sig ()
4218 ;; <ftp://ftp.isc.org/pub/pgpcontrol/FORMAT>
4220 (if (gnus-buffer-live-p gnus-original-article-buffer)
4221 (let ((sig (with-current-buffer gnus-original-article-buffer
4222 (gnus-fetch-field "X-PGP-Sig")))
4226 (mml2015-clear-verify-function))
4228 (insert-buffer-substring gnus-original-article-buffer)
4229 (setq items (split-string sig))
4230 (message-narrow-to-head)
4231 (let ((inhibit-point-motion-hooks t)
4232 (case-fold-search t))
4233 ;; Don't verify multiple headers.
4234 (setq headers (mapconcat (lambda (header)
4236 (mail-fetch-field header)
4238 (split-string (nth 1 items) ",") "")))
4239 (delete-region (point-min) (point-max))
4240 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
4241 (insert "X-Signed-Headers: " (nth 1 items) "\n")
4246 (if (looking-at "^-")
4249 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
4250 (insert "Version: " (car items) "\n\n")
4251 (insert (mapconcat 'identity (cddr items) "\n"))
4252 (insert "\n-----END PGP SIGNATURE-----\n")
4253 (let ((mm-security-handle (list (format "multipart/signed"))))
4254 (mml2015-clean-buffer)
4255 (let ((coding-system-for-write (or gnus-newsgroup-charset
4257 (funcall (mml2015-clear-verify-function)))
4259 (or (mm-handle-multipart-ctl-parameter
4260 mm-security-handle 'gnus-details)
4261 (mm-handle-multipart-ctl-parameter
4262 mm-security-handle 'gnus-info)))))
4264 (let ((inhibit-read-only t) bface eface)
4266 (message-narrow-to-head)
4267 (goto-char (point-max))
4269 (setq bface (get-text-property (point-at-bol) 'face)
4270 eface (get-text-property (1- (point-at-eol)) 'face))
4271 (message-remove-header "X-Gnus-PGP-Verify")
4272 (if (re-search-forward "^X-PGP-Sig:" nil t)
4274 (goto-char (point-max)))
4275 (narrow-to-region (point) (point))
4276 (insert "X-Gnus-PGP-Verify: " info "\n")
4277 (goto-char (point-min))
4280 (if (not (looking-at "^[ \t]"))
4284 (goto-char (point-min))
4285 (when (looking-at "\\([^:]+\\): *")
4286 (put-text-property (match-beginning 1) (1+ (match-end 1))
4288 (put-text-property (match-end 0) (point-max)
4289 'face eface)))))))))
4291 (autoload 'canlock-verify "canlock" nil t) ;; for XEmacs.
4293 (defun article-verify-cancel-lock ()
4294 "Verify Cancel-Lock header."
4296 (if (gnus-buffer-live-p gnus-original-article-buffer)
4297 (canlock-verify gnus-original-article-buffer)))
4304 (setq afunc (car func)
4307 gfunc (intern (format "gnus-%s" func))))
4309 (when (fboundp afunc)
4310 `(lambda (&optional interactive &rest args)
4311 ,(documentation afunc t)
4312 (interactive (list t))
4313 (with-current-buffer gnus-article-buffer
4315 (call-interactively ',afunc)
4316 (apply ',afunc args))))))))
4317 '(article-hide-headers
4318 article-verify-x-pgp-sig
4319 article-verify-cancel-lock
4320 article-hide-boring-headers
4321 article-treat-overstrike
4322 article-treat-ansi-sequences
4323 article-fill-long-lines
4324 article-capitalize-sentences
4326 article-remove-leading-whitespace
4327 article-display-x-face
4328 article-display-face
4329 article-de-quoted-unreadable
4330 article-de-base64-unreadable
4333 article-unsplit-urls
4334 article-hide-list-identifiers
4335 article-strip-banner
4338 article-hide-signature
4339 article-strip-headers-in-body
4340 article-remove-trailing-blank-lines
4341 article-strip-leading-blank-lines
4342 article-strip-multiple-blank-lines
4343 article-strip-leading-space
4344 article-strip-trailing-space
4345 article-strip-blank-lines
4346 article-strip-all-blank-lines
4348 article-date-english
4349 article-date-iso8601
4350 article-date-original
4352 article-decode-mime-words
4353 article-decode-charset
4354 article-decode-encoded-words
4358 article-treat-dumbquotes
4359 article-normalize-headers
4360 ;;(article-show-all . gnus-article-show-all-headers)
4364 ;;; Gnus article mode
4367 (put 'gnus-article-mode 'mode-class 'special)
4369 (set-keymap-parent gnus-article-mode-map widget-keymap)
4371 (gnus-define-keys gnus-article-mode-map
4372 " " gnus-article-goto-next-page
4373 "\177" gnus-article-goto-prev-page
4374 [delete] gnus-article-goto-prev-page
4375 [backspace] gnus-article-goto-prev-page
4376 "\C-c^" gnus-article-refer-article
4377 "h" gnus-article-show-summary
4378 "s" gnus-article-show-summary
4379 "\C-c\C-m" gnus-article-mail
4380 "?" gnus-article-describe-briefly
4381 "<" beginning-of-buffer
4383 "\C-c\C-i" gnus-info-find-node
4385 "R" gnus-article-reply-with-original
4386 "F" gnus-article-followup-with-original
4387 "\C-hk" gnus-article-describe-key
4388 "\C-hc" gnus-article-describe-key-briefly
4389 "\C-hb" gnus-article-describe-bindings
4391 "e" gnus-article-read-summary-keys
4392 "\C-d" gnus-article-read-summary-keys
4393 "\M-*" gnus-article-read-summary-keys
4394 "\M-#" gnus-article-read-summary-keys
4395 "\M-^" gnus-article-read-summary-keys
4396 "\M-g" gnus-article-read-summary-keys)
4398 (substitute-key-definition
4399 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
4401 (gnus-define-keys (gnus-article-send-map "S" gnus-article-mode-map)
4402 "W" gnus-article-wide-reply-with-original)
4403 (if (featurep 'xemacs)
4404 (set-keymap-default-binding gnus-article-send-map
4405 'gnus-article-read-summary-send-keys)
4406 (define-key gnus-article-send-map [t] 'gnus-article-read-summary-send-keys))
4408 (defun gnus-article-make-menu-bar ()
4409 (unless (boundp 'gnus-article-commands-menu)
4410 (gnus-summary-make-menu-bar))
4411 (gnus-turn-off-edit-menu 'article)
4412 (unless (boundp 'gnus-article-article-menu)
4414 gnus-article-article-menu gnus-article-mode-map ""
4416 ["Scroll forwards" gnus-article-goto-next-page t]
4417 ["Scroll backwards" gnus-article-goto-prev-page t]
4418 ["Show summary" gnus-article-show-summary t]
4419 ["Fetch Message-ID at point" gnus-article-refer-article t]
4420 ["Mail to address at point" gnus-article-mail t]
4421 ["Send a bug report" gnus-bug t]))
4424 gnus-article-treatment-menu gnus-article-mode-map ""
4425 ;; Fixme: this should use :active (and maybe :visible).
4427 ["Hide headers" gnus-article-hide-headers t]
4428 ["Hide signature" gnus-article-hide-signature t]
4429 ["Hide citation" gnus-article-hide-citation t]
4430 ["Treat overstrike" gnus-article-treat-overstrike t]
4431 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
4432 ["Remove carriage return" gnus-article-remove-cr t]
4433 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
4434 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
4435 ["Remove base64" gnus-article-de-base64-unreadable t]
4436 ["Treat html" gnus-article-wash-html t]
4437 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
4438 ["Decode HZ" gnus-article-decode-HZ t]))
4440 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
4442 ;; Note "Post" menu is defined in gnus-sum.el for consistency
4444 (gnus-run-hooks 'gnus-article-menu-hook)))
4446 (defvar bookmark-make-record-function)
4448 (defun gnus-article-mode ()
4449 "Major mode for displaying an article.
4451 All normal editing commands are switched off.
4453 The following commands are available in addition to all summary mode
4455 \\<gnus-article-mode-map>
4456 \\[gnus-article-next-page]\t Scroll the article one page forwards
4457 \\[gnus-article-prev-page]\t Scroll the article one page backwards
4458 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
4459 \\[gnus-article-show-summary]\t Display the summary buffer
4460 \\[gnus-article-mail]\t Send a reply to the address near point
4461 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
4462 \\[gnus-info-find-node]\t Go to the Gnus info node"
4464 (kill-all-local-variables)
4465 (gnus-simplify-mode-line)
4466 (setq mode-name "Article")
4467 (setq major-mode 'gnus-article-mode)
4468 (make-local-variable 'minor-mode-alist)
4469 (use-local-map gnus-article-mode-map)
4470 (when (gnus-visual-p 'article-menu 'menu)
4471 (gnus-article-make-menu-bar)
4472 (when gnus-summary-tool-bar-map
4473 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
4474 (gnus-update-format-specifications nil 'article-mode)
4475 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
4476 (set (make-local-variable 'gnus-page-broken) nil)
4477 (make-local-variable 'gnus-button-marker-list)
4478 (make-local-variable 'gnus-article-current-summary)
4479 (make-local-variable 'gnus-article-mime-handles)
4480 (make-local-variable 'gnus-article-decoded-p)
4481 (make-local-variable 'gnus-article-mime-handle-alist)
4482 (make-local-variable 'gnus-article-wash-types)
4483 (make-local-variable 'gnus-article-image-alist)
4484 (make-local-variable 'gnus-article-charset)
4485 (make-local-variable 'gnus-article-ignored-charsets)
4486 (set (make-local-variable 'bookmark-make-record-function)
4487 'gnus-summary-bookmark-make-record)
4488 ;; Prevent Emacs 22 from displaying non-break space with `nobreak-space'
4490 (set (make-local-variable 'nobreak-char-display) nil)
4491 (setq cursor-in-non-selected-windows nil)
4492 (setq truncate-lines gnus-article-truncate-lines)
4493 (gnus-set-default-directory)
4494 (buffer-disable-undo)
4495 (setq buffer-read-only t
4496 show-trailing-whitespace nil)
4497 (set-syntax-table gnus-article-mode-syntax-table)
4498 (mm-enable-multibyte)
4499 (gnus-run-mode-hooks 'gnus-article-mode-hook))
4501 (defvar gnus-button-marker-list nil
4502 "Regexp matching any of the regexps from `gnus-button-alist'.
4503 Internal variable.")
4505 (defun gnus-article-setup-buffer ()
4506 "Initialize the article buffer."
4507 (let* ((name (if gnus-single-article-buffer "*Article*"
4508 (concat "*Article " gnus-newsgroup-name "*")))
4510 (progn (string-match "\\*Article" name)
4511 (concat " *Original Article"
4512 (substring name (match-end 0))))))
4513 (setq gnus-article-buffer name)
4514 (setq gnus-original-article-buffer original)
4515 (setq gnus-article-mime-handle-alist nil)
4516 (with-current-buffer gnus-summary-buffer
4517 ;; This might be a variable local to the summary buffer.
4518 (unless gnus-single-article-buffer
4519 (setq gnus-article-buffer name)
4520 (setq gnus-original-article-buffer original)
4521 (gnus-set-global-variables)))
4522 (gnus-article-setup-highlight-words)
4523 ;; Init original article buffer.
4524 (with-current-buffer (gnus-get-buffer-create gnus-original-article-buffer)
4525 (mm-enable-multibyte)
4526 (setq major-mode 'gnus-original-article-mode)
4527 (make-local-variable 'gnus-original-article))
4528 (if (and (get-buffer name)
4529 (with-current-buffer name
4530 (if gnus-article-edit-mode
4531 (if (y-or-n-p "Article mode edit in progress; discard? ")
4533 (set-buffer-modified-p nil)
4534 (gnus-kill-buffer name)
4537 (error "Action aborted"))
4539 (with-current-buffer name
4540 (set (make-local-variable 'gnus-article-edit-mode) nil)
4541 (when gnus-article-mime-handles
4542 (mm-destroy-parts gnus-article-mime-handles)
4543 (setq gnus-article-mime-handles nil))
4544 ;; Set it to nil in article-buffer!
4545 (setq gnus-article-mime-handle-alist nil)
4546 (buffer-disable-undo)
4547 (setq buffer-read-only t)
4548 ;; This list just keeps growing if we don't reset it.
4549 (setq gnus-button-marker-list nil)
4550 (unless (eq major-mode 'gnus-article-mode)
4551 (gnus-article-mode))
4553 (with-current-buffer (gnus-get-buffer-create name)
4555 (make-local-variable 'gnus-summary-buffer)
4556 (setq gnus-summary-buffer
4557 (gnus-summary-buffer-name gnus-newsgroup-name))
4558 (gnus-summary-set-local-parameters gnus-newsgroup-name)
4559 (current-buffer)))))
4561 ;; Set article window start at LINE, where LINE is the number of lines
4562 ;; from the head of the article.
4563 (defun gnus-article-set-window-start (&optional line)
4564 (let ((article-window (gnus-get-buffer-window gnus-article-buffer t)))
4565 (when article-window
4568 (with-current-buffer gnus-article-buffer
4569 (goto-char (point-min))
4572 (gnus-message 6 "Moved to bookmark")
4573 (search-forward "\n\n" nil t)
4577 (defun gnus-article-prepare (article &optional all-headers header)
4578 "Prepare ARTICLE in article mode buffer.
4579 ARTICLE should either be an article number or a Message-ID.
4580 If ARTICLE is an id, HEADER should be the article headers.
4581 If ALL-HEADERS is non-nil, no headers are hidden."
4583 ;; Make sure we start in a summary buffer.
4584 (unless (eq major-mode 'gnus-summary-mode)
4585 (set-buffer gnus-summary-buffer))
4586 (setq gnus-summary-buffer (current-buffer))
4587 (let* ((gnus-article (if header (mail-header-number header) article))
4588 (summary-buffer (current-buffer))
4589 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
4590 (group gnus-newsgroup-name)
4593 (gnus-article-setup-buffer)
4594 (set-buffer gnus-article-buffer)
4595 ;; Deactivate active regions.
4596 (when (and (boundp 'transient-mark-mode)
4597 transient-mark-mode)
4598 (setq mark-active nil))
4599 (if (not (setq result (let ((inhibit-read-only t))
4600 (gnus-request-article-this-buffer
4602 ;; There is no such article.
4604 (when (and (numberp article)
4605 (not (memq article gnus-newsgroup-sparse)))
4606 (setq gnus-article-current
4607 (cons gnus-newsgroup-name article))
4608 (set-buffer gnus-summary-buffer)
4609 (setq gnus-current-article article)
4610 (if (and (memq article gnus-newsgroup-undownloaded)
4611 (not (gnus-online (gnus-find-method-for-group
4612 gnus-newsgroup-name))))
4614 (gnus-summary-set-agent-mark article)
4615 (message "Message marked for downloading"))
4616 (gnus-summary-mark-article article gnus-canceled-mark)
4617 (unless (memq article gnus-newsgroup-sparse)
4618 (gnus-error 1 "No such article (may have expired or been canceled)")))))
4619 (if (or (eq result 'pseudo)
4620 (eq result 'nneething))
4622 (with-current-buffer summary-buffer
4623 (push article gnus-newsgroup-history)
4624 (setq gnus-last-article gnus-current-article
4625 gnus-current-article 0
4626 gnus-current-headers nil
4627 gnus-article-current nil)
4628 (if (eq result 'nneething)
4629 (gnus-configure-windows 'summary)
4630 (gnus-configure-windows 'article))
4631 (gnus-set-global-variables))
4632 (let ((gnus-article-mime-handle-alist-1
4633 gnus-article-mime-handle-alist))
4634 (gnus-set-mode-line 'article)))
4635 ;; The result from the `request' was an actual article -
4636 ;; or at least some text that is now displayed in the
4638 (when (and (numberp article)
4639 (not (eq article gnus-current-article)))
4640 ;; Seems like a new article has been selected.
4641 ;; `gnus-current-article' must be an article number.
4642 (with-current-buffer summary-buffer
4643 (push article gnus-newsgroup-history)
4644 (setq gnus-last-article gnus-current-article
4645 gnus-current-article article
4646 gnus-current-headers
4647 (gnus-summary-article-header gnus-current-article)
4648 gnus-article-current
4649 (cons gnus-newsgroup-name gnus-current-article))
4650 (unless (vectorp gnus-current-headers)
4651 (setq gnus-current-headers nil))
4652 (gnus-summary-goto-subject gnus-current-article)
4653 (when (gnus-summary-show-thread)
4654 ;; If the summary buffer really was folded, the
4655 ;; previous goto may not actually have gone to
4656 ;; the right article, but the thread root instead.
4658 (gnus-summary-goto-subject gnus-current-article))
4659 (gnus-run-hooks 'gnus-mark-article-hook)
4660 (gnus-set-mode-line 'summary)
4661 (when (gnus-visual-p 'article-highlight 'highlight)
4662 (gnus-run-hooks 'gnus-visual-mark-article-hook))
4663 ;; Set the global newsgroup variables here.
4664 (gnus-set-global-variables)
4665 (setq gnus-have-all-headers
4666 (or all-headers gnus-show-all-headers))))
4668 (gnus-configure-windows 'article))
4669 (when (or (numberp article)
4671 (gnus-article-prepare-display)
4673 (goto-char (point-min))
4674 (when gnus-break-pages
4675 (gnus-narrow-to-page)))
4676 (let ((gnus-article-mime-handle-alist-1
4677 gnus-article-mime-handle-alist))
4678 (gnus-set-mode-line 'article))
4682 (set-window-point (get-buffer-window (current-buffer)) (point))
4683 (gnus-configure-windows 'article)
4687 (defun gnus-article-prepare-display ()
4688 "Make the current buffer look like a nice article."
4689 ;; Hooks for getting information from the article.
4690 ;; This hook must be called before being narrowed.
4691 (let ((gnus-article-buffer (current-buffer))
4693 (inhibit-read-only t))
4694 (unless (eq major-mode 'gnus-article-mode)
4695 (gnus-article-mode))
4696 (setq buffer-read-only nil
4697 gnus-article-wash-types nil
4698 gnus-article-image-alist nil)
4699 (gnus-run-hooks 'gnus-tmp-internal-hook)
4700 (when gnus-display-mime-function
4701 (funcall gnus-display-mime-function))
4702 (gnus-run-hooks 'gnus-article-prepare-hook)))
4705 ;;; Gnus Sticky Article Mode
4708 (define-derived-mode gnus-sticky-article-mode gnus-article-mode "StickyArticle"
4709 "Mode for sticky articles."
4710 ;; Release bindings that won't work.
4711 (substitute-key-definition 'gnus-article-read-summary-keys 'undefined
4712 gnus-sticky-article-mode-map)
4713 (substitute-key-definition 'gnus-article-refer-article 'undefined
4714 gnus-sticky-article-mode-map)
4715 (dolist (k '("e" "h" "s" "F" "R"))
4716 (define-key gnus-sticky-article-mode-map k nil))
4717 (define-key gnus-sticky-article-mode-map "k" 'gnus-kill-sticky-article-buffer)
4718 (define-key gnus-sticky-article-mode-map "q" 'bury-buffer)
4719 (define-key gnus-sticky-article-mode-map "\C-hc" 'describe-key-briefly)
4720 (define-key gnus-sticky-article-mode-map "\C-hk" 'describe-key))
4722 (defun gnus-sticky-article (arg)
4723 "Make the current article sticky.
4724 If a prefix ARG is given, ask for a name for this sticky article buffer."
4726 (gnus-summary-show-thread)
4727 (gnus-summary-select-article nil nil 'pseudo)
4728 (let (new-art-buf-name)
4729 (gnus-eval-in-buffer-window gnus-article-buffer
4730 (setq new-art-buf-name
4734 (read-from-minibuffer "Sticky article buffer name: ")
4735 (gnus-with-article-headers
4736 (gnus-article-goto-header "subject")
4737 (setq new-art-buf-name
4738 (buffer-substring-no-properties
4739 (line-beginning-position) (line-end-position)))
4740 (goto-char (point-min))
4741 (gnus-article-goto-header "from")
4742 (setq new-art-buf-name
4744 new-art-buf-name ", "
4745 (buffer-substring-no-properties
4746 (line-beginning-position) (line-end-position))))
4747 (goto-char (point-min))
4748 (gnus-article-goto-header "date")
4749 (setq new-art-buf-name
4751 new-art-buf-name ", "
4752 (buffer-substring-no-properties
4753 (line-beginning-position) (line-end-position))))))
4755 (if (and (gnus-buffer-live-p new-art-buf-name)
4756 (with-current-buffer new-art-buf-name
4757 (eq major-mode 'gnus-sticky-article-mode)))
4758 (switch-to-buffer new-art-buf-name)
4759 (setq new-art-buf-name (rename-buffer new-art-buf-name t)))
4760 (gnus-sticky-article-mode))
4761 (setq gnus-article-buffer new-art-buf-name))
4762 (gnus-summary-recenter)
4763 (gnus-summary-position-point))
4765 (defun gnus-kill-sticky-article-buffer (&optional buffer)
4766 "Kill the given sticky article BUFFER.
4767 If none is given, assume the current buffer and kill it if it has
4768 `gnus-sticky-article-mode'."
4771 (setq buffer (current-buffer)))
4772 (with-current-buffer buffer
4773 (when (eq major-mode 'gnus-sticky-article-mode)
4774 (gnus-kill-buffer buffer))))
4776 (defun gnus-kill-sticky-article-buffers (arg)
4777 "Kill all sticky article buffers.
4778 If a prefix ARG is given, ask for confirmation."
4780 (dolist (buf (gnus-buffers))
4781 (with-current-buffer buf
4782 (when (eq major-mode 'gnus-sticky-article-mode)
4784 (gnus-kill-buffer buf)
4785 (when (yes-or-no-p (concat "Kill buffer " (buffer-name buf) "? "))
4786 (gnus-kill-buffer buf)))))))
4789 ;;; Gnus MIME viewing functions
4792 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4793 "Format of the MIME buttons.
4795 Valid specifiers include:
4797 %T MIME type, along with additional info
4798 %n The `name' parameter
4799 %d The description, if any
4800 %l The length of the encoded part
4801 %p The part identifier number
4802 %e Dots if the part isn't displayed
4804 General format specifiers can also be used. See Info node
4805 `(gnus)Formatting Variables'.")
4807 (defvar gnus-mime-button-line-format-alist
4808 '((?t gnus-tmp-type ?s)
4809 (?T gnus-tmp-type-long ?s)
4810 (?n gnus-tmp-name ?s)
4811 (?d gnus-tmp-description ?s)
4813 (?l gnus-tmp-length ?d)
4814 (?e gnus-tmp-dots ?s)))
4816 (defvar gnus-mime-button-commands
4817 '((gnus-article-press-button "\r" "Toggle Display")
4818 (gnus-mime-view-part "v" "View Interactively...")
4819 (gnus-mime-view-part-as-type "t" "View As Type...")
4820 (gnus-mime-view-part-as-charset "C" "View As charset...")
4821 (gnus-mime-save-part "o" "Save...")
4822 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4823 (gnus-mime-replace-part "r" "Replace part")
4824 (gnus-mime-delete-part "d" "Delete part")
4825 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4826 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4827 (gnus-mime-view-part-internally "E" "View Internally") ;; Why `E'?
4828 (gnus-mime-view-part-externally "e" "View Externally")
4829 (gnus-mime-print-part "p" "Print")
4830 (gnus-mime-pipe-part "|" "Pipe To Command...")
4831 (gnus-mime-action-on-part "." "Take action on the part...")))
4833 (defun gnus-article-mime-part-status ()
4834 (if gnus-article-mime-handle-alist-1
4835 (if (eq 1 (length gnus-article-mime-handle-alist-1))
4837 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
4840 (defvar gnus-mime-button-map
4841 (let ((map (make-sparse-keymap)))
4842 (define-key map gnus-mouse-2 'gnus-article-push-button)
4843 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4844 (dolist (c gnus-mime-button-commands)
4845 (define-key map (cadr c) (car c)))
4849 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4851 ,@(mapcar (lambda (c)
4852 (vector (caddr c) (car c) :active t))
4853 gnus-mime-button-commands)))
4855 (defvar gnus-url-button-commands
4856 '((gnus-article-copy-string "u" "Copy URL to kill ring")))
4858 (defvar gnus-url-button-map
4859 (let ((map (make-sparse-keymap)))
4860 (dolist (c gnus-url-button-commands)
4861 (define-key map (cadr c) (car c)))
4865 gnus-url-button-menu gnus-url-button-map "URL button menu."
4867 ,@(mapcar (lambda (c)
4868 (vector (caddr c) (car c) :active t))
4869 gnus-url-button-commands)))
4871 (defmacro gnus-bind-safe-url-regexp (&rest body)
4872 "Bind `mm-w3m-safe-url-regexp' according to `gnus-safe-html-newsgroups'."
4873 `(let ((mm-w3m-safe-url-regexp
4874 (let ((group (if (and (eq major-mode 'gnus-article-mode)
4876 gnus-article-current-summary))
4877 (with-current-buffer gnus-article-current-summary
4878 gnus-newsgroup-name)
4879 gnus-newsgroup-name)))
4880 (if (cond ((not group)
4881 ;; Maybe we're in a mml-preview buffer
4882 ;; and no group is selected.
4884 ((stringp gnus-safe-html-newsgroups)
4885 (string-match gnus-safe-html-newsgroups group))
4886 ((consp gnus-safe-html-newsgroups)
4887 (member group gnus-safe-html-newsgroups)))
4889 mm-w3m-safe-url-regexp))))
4892 (defun gnus-mime-button-menu (event prefix)
4893 "Construct a context-sensitive menu of MIME commands."
4894 (interactive "e\nP")
4895 (save-window-excursion
4896 (let ((pos (event-start event)))
4897 (select-window (posn-window pos))
4898 (goto-char (posn-point pos))
4899 (gnus-article-check-buffer)
4900 (popup-menu gnus-mime-button-menu nil prefix))))
4902 (defun gnus-mime-view-all-parts (&optional handles)
4903 "View all the MIME parts."
4905 (with-current-buffer gnus-article-buffer
4906 (let ((handles (or handles gnus-article-mime-handles))
4907 (mail-parse-charset gnus-newsgroup-charset)
4908 (mail-parse-ignored-charsets
4909 (with-current-buffer gnus-summary-buffer
4910 gnus-newsgroup-ignored-charsets)))
4912 (mm-remove-parts handles)
4913 (goto-char (point-min))
4914 (or (search-forward "\n\n") (goto-char (point-max)))
4915 (let ((inhibit-read-only t))
4916 (delete-region (point) (point-max))
4917 (gnus-bind-safe-url-regexp (mm-display-parts handles)))))))
4919 (defun gnus-article-jump-to-part (n)
4920 "Jump to MIME part N."
4922 (pop-to-buffer gnus-article-buffer)
4923 ;; FIXME: why is it necessary?
4925 (let ((parts (length gnus-article-mime-handle-alist)))
4926 (or n (setq n (read-number (format "Jump to part (2..%s): " parts))))
4927 (unless (and (integerp n) (<= n parts) (>= n 1))
4930 (gnus-message 7 "Invalid part `%s', using %s instead."
4933 (gnus-message 9 "Jumping to part %s." n)
4934 (cond ((>= gnus-auto-select-part 1)
4935 (while (and (<= n parts)
4936 (not (gnus-article-goto-part n)))
4938 ((< gnus-auto-select-part 0)
4939 (while (and (>= n 1)
4940 (not (gnus-article-goto-part n)))
4943 (gnus-article-goto-part n)))))
4945 (defvar gnus-mime-buttonized-part-id nil
4946 "ID of a mime part that should be buttonized.
4947 `gnus-mime-save-part-and-strip' and `gnus-mime-delete-part' bind it.")
4950 (defsubst gnus-article-edit-part (handles &optional current-id)
4951 "Edit an article in order to delete a mime part.
4952 This function is exclusively used by `gnus-mime-save-part-and-strip'
4953 and `gnus-mime-delete-part', and not provided at run-time normally."
4954 (gnus-article-edit-article
4956 (buffer-disable-undo)
4958 (let ((mail-parse-charset (or gnus-article-charset
4959 ',gnus-newsgroup-charset))
4960 (mail-parse-ignored-charsets
4961 (or gnus-article-ignored-charsets
4962 ',gnus-newsgroup-ignored-charsets))
4963 (mbl mml-buffer-list))
4964 (setq mml-buffer-list nil)
4965 (insert-buffer-substring gnus-original-article-buffer)
4966 (mime-to-mml ',handles)
4967 (setq gnus-article-mime-handles nil)
4968 (let ((mbl1 mml-buffer-list))
4969 (setq mml-buffer-list mbl)
4970 (set (make-local-variable 'mml-buffer-list) mbl1))
4971 (gnus-make-local-hook 'kill-buffer-hook)
4972 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4973 `(lambda (no-highlight)
4974 (let ((mail-parse-charset (or gnus-article-charset
4975 ',gnus-newsgroup-charset))
4976 (message-options message-options)
4977 (message-options-set-recipient)
4978 (mail-parse-ignored-charsets
4979 (or gnus-article-ignored-charsets
4980 ',gnus-newsgroup-ignored-charsets)))
4982 (mml-destroy-buffers)
4983 (remove-hook 'kill-buffer-hook
4984 'mml-destroy-buffers t)
4985 (kill-local-variable 'mml-buffer-list))
4986 (gnus-summary-edit-article-done
4987 ,(or (mail-header-references gnus-current-headers) "")
4988 ,(gnus-group-read-only-p)
4989 ,gnus-summary-buffer no-highlight))
4991 ;; Force buttonizing this part.
4992 (let ((gnus-mime-buttonized-part-id current-id))
4993 (gnus-article-edit-done))
4994 (gnus-configure-windows 'article)
4995 (when (and current-id (integerp gnus-auto-select-part))
4996 (gnus-article-jump-to-part
4997 (min (max (+ current-id gnus-auto-select-part) 1)
4998 (with-current-buffer gnus-article-buffer
4999 (length gnus-article-mime-handle-alist)))))))
5001 (defun gnus-mime-replace-part (file)
5002 "Replace MIME part under point with an external body."
5003 ;; Useful if file has already been saved to disk
5006 (read-file-name "Replace MIME part with file: "
5007 (or mm-default-directory default-directory)
5009 (gnus-mime-save-part-and-strip file))
5011 (defun gnus-mime-save-part-and-strip (&optional file)
5012 "Save the MIME part under point then replace it with an external body.
5013 If FILE is given, use it for the external part."
5015 (gnus-article-check-buffer)
5016 (when (gnus-group-read-only-p)
5017 (error "The current group does not support deleting of parts"))
5018 (when (mm-complicated-handles gnus-article-mime-handles)
5020 The current article has a complicated MIME structure, giving up..."))
5021 (let* ((data (get-text-property (point) 'gnus-data))
5022 (id (get-text-property (point) 'gnus-part))
5024 (handles gnus-article-mime-handles))
5027 (and data (mm-save-part data "Delete MIME part and save to: "))))
5029 (with-current-buffer (mm-handle-buffer data)
5031 (insert "Content-Type: " (mm-handle-media-type data))
5032 (mml-insert-parameter-string (cdr (mm-handle-type data))
5034 ;; Add a filename for the sake of saving the part again.
5035 (mml-insert-parameter
5036 (mail-header-encode-parameter "name" (file-name-nondirectory file)))
5038 (insert "Content-ID: " (message-make-message-id) "\n")
5039 (insert "Content-Transfer-Encoding: binary\n")
5042 (cdr (mm-make-handle nil
5043 `("message/external-body"
5044 (access-type . "LOCAL-FILE")
5046 ;; (set-buffer gnus-summary-buffer)
5047 (gnus-article-edit-part handles id))))
5049 ;; A function like `gnus-summary-save-parts' (`X m', `<MIME> <Extract all
5050 ;; parts...>') but with stripping would be nice.
5052 (defun gnus-mime-delete-part ()
5053 "Delete the MIME part under point.
5054 Replace it with some information about the removed part."
5056 (gnus-article-check-buffer)
5057 (when (gnus-group-read-only-p)
5058 (error "The current group does not support deleting of parts"))
5059 (when (mm-complicated-handles gnus-article-mime-handles)
5061 The current article has a complicated MIME structure, giving up..."))
5062 (when (or gnus-expert-user
5063 (gnus-yes-or-no-p "\
5064 Deleting parts may malfunction or destroy the article; continue? "))
5065 (let* ((data (get-text-property (point) 'gnus-data))
5066 (id (get-text-property (point) 'gnus-part))
5067 (handles gnus-article-mime-handles)
5070 (let ((desc (mm-handle-description data)))
5072 (mail-decode-encoded-word-string desc))))
5074 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
5076 (type (mm-handle-media-type data)))
5078 (error "No MIME part under point"))
5079 (with-current-buffer (mm-handle-buffer data)
5080 (let ((bsize (format "%s" (buffer-size))))
5085 "| The following attachment has been deleted:\n"
5087 "| Type: " type "\n"
5088 "| Filename: " filename "\n"
5089 "| Size (encoded): " bsize " Byte\n"
5091 (concat "| Description: " description "\n"))
5094 (cdr (mm-make-handle
5095 nil `("text/plain" (charset . gnus-decoded)) nil nil
5097 (format "Deleted attachment (%s bytes)" bsize))))))
5098 ;; (set-buffer gnus-summary-buffer)
5099 (gnus-article-edit-part handles id))))
5101 (defun gnus-mime-save-part ()
5102 "Save the MIME part under point."
5104 (gnus-article-check-buffer)
5105 (let ((data (get-text-property (point) 'gnus-data)))
5107 (mm-save-part data))))
5109 (defun gnus-mime-pipe-part (&optional cmd)
5110 "Pipe the MIME part under point to a process.
5111 Use CMD as the process."
5113 (gnus-article-check-buffer)
5114 (let ((data (get-text-property (point) 'gnus-data)))
5116 (mm-pipe-part data cmd))))
5118 (defun gnus-mime-view-part ()
5119 "Interactively choose a viewing method for the MIME part under point."
5121 (gnus-article-check-buffer)
5122 (let ((data (get-text-property (point) 'gnus-data)))
5124 (setq gnus-article-mime-handles
5126 gnus-article-mime-handles (setq data (copy-sequence data))))
5127 (mm-interactively-view-part data))))
5129 (defun gnus-mime-view-part-as-type-internal ()
5130 (gnus-article-check-buffer)
5131 (let* ((handle (get-text-property (point) 'gnus-data))
5133 ;; Content-Type: foo/bar; name=...
5134 (mail-content-type-get (mm-handle-type handle) 'name)
5135 ;; Content-Disposition: attachment; filename=...
5136 (cdr (assq 'filename (cdr (mm-handle-disposition handle))))))
5137 (def-type (and name (mm-default-file-encoding name))))
5138 (or (and def-type (cons def-type 0))
5140 (equal (mm-handle-media-supertype handle) "text")
5141 '("text/plain" . 0))
5142 '("application/octet-stream" . 0))))
5144 (defun gnus-mime-view-part-as-type (&optional mime-type pred)
5145 "Choose a MIME media type, and view the part as such.
5146 If non-nil, PRED is a predicate to use during completion to limit the
5147 available media-types."
5151 (let ((default (gnus-mime-view-part-as-type-internal)))
5153 (format "View as MIME type (default %s): "
5155 (mapcar #'list (mailcap-mime-types))
5158 (gnus-article-check-buffer)
5159 (let ((handle (get-text-property (point) 'gnus-data)))
5161 (when (equal (mm-handle-media-type handle) "message/external-body")
5162 (unless (mm-handle-cache handle)
5163 (mm-extern-cache-contents handle))
5164 (setq handle (mm-handle-cache handle)))
5166 (mm-make-handle (mm-handle-buffer handle)
5167 (cons mime-type (cdr (mm-handle-type handle)))
5168 (mm-handle-encoding handle)
5169 (mm-handle-undisplayer handle)
5170 (mm-handle-disposition handle)
5171 (mm-handle-description handle)
5173 (mm-handle-id handle)))
5174 (setq gnus-article-mime-handles
5175 (mm-merge-handles gnus-article-mime-handles handle))
5176 (when (mm-handle-displayed-p handle)
5177 (mm-remove-part handle))
5178 (gnus-mm-display-part handle))))
5180 (defun gnus-mime-copy-part (&optional handle arg)
5181 "Put the MIME part under point into a new buffer.
5182 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
5184 (interactive (list nil current-prefix-arg))
5185 (gnus-article-check-buffer)
5187 (setq handle (get-text-property (point) 'gnus-data)))
5189 (let ((filename (or (mail-content-type-get (mm-handle-type handle)
5191 (mail-content-type-get (mm-handle-disposition handle)
5193 contents dont-decode charset coding-system)
5194 (mm-with-unibyte-buffer
5195 (mm-insert-part handle)
5196 (setq contents (or (condition-case nil
5197 (mm-decompress-buffer filename nil 'sig)
5199 (setq dont-decode t)
5202 (setq filename (cond (filename (file-name-nondirectory filename))
5203 (dont-decode "*raw data*")
5208 (unless (setq charset (mail-content-type-get
5209 (mm-handle-type handle) 'charset))
5210 (unless (setq coding-system (mm-with-unibyte-buffer
5212 (mm-find-buffer-file-coding-system)))
5213 (setq charset gnus-newsgroup-charset))))
5215 (setq charset (or (cdr (assq arg
5216 gnus-summary-show-article-charset-alist))
5217 (mm-read-coding-system "Charset: ")))))
5218 (switch-to-buffer (generate-new-buffer filename))
5219 (if (or coding-system
5221 (setq coding-system (mm-charset-to-coding-system charset))
5222 (not (eq charset 'ascii))))
5224 (mm-enable-multibyte)
5225 (insert (mm-decode-coding-string contents coding-system))
5226 (setq buffer-file-coding-system
5227 (if (boundp 'last-coding-system-used)
5228 (symbol-value 'last-coding-system-used)
5230 (mm-disable-multibyte)
5232 (setq buffer-file-coding-system mm-binary-coding-system))
5233 ;; We do it this way to make `normal-mode' set the appropriate mode.
5236 (setq buffer-file-name (expand-file-name filename))
5238 (setq buffer-file-name nil))
5239 (goto-char (point-min)))))
5241 (defun gnus-mime-print-part (&optional handle filename)
5242 "Print the MIME part under point."
5243 (interactive (list nil (ps-print-preprint current-prefix-arg)))
5244 (gnus-article-check-buffer)
5245 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
5246 (contents (and handle (mm-get-part handle)))
5247 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
5248 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
5253 (mm-save-part-to-file handle file)
5254 (call-process shell-file-name nil
5255 (generate-new-buffer " *mm*")
5257 shell-command-switch
5259 printer file (mm-handle-type handle))))
5263 (gnus-print-buffer))
5264 (ps-despool filename)))))
5266 (defun gnus-mime-inline-part (&optional handle arg)
5267 "Insert the MIME part under point into the current buffer.
5268 Compressed files like .gz and .bz2 are decompressed."
5269 (interactive (list nil current-prefix-arg))
5270 (gnus-article-check-buffer)
5272 (setq handle (get-text-property (point) 'gnus-data)))
5275 (inhibit-read-only t)
5276 contents charset coding-system)
5277 (if (and (not arg) (mm-handle-undisplayer handle))
5278 (mm-remove-part handle)
5279 (mm-with-unibyte-buffer
5280 (mm-insert-part handle)
5282 (or (mm-decompress-buffer
5283 (or (mail-content-type-get (mm-handle-type handle)
5285 (mail-content-type-get (mm-handle-disposition handle)
5291 (unless (setq charset (mail-content-type-get
5292 (mm-handle-type handle) 'charset))
5293 (unless (setq coding-system
5294 (mm-with-unibyte-buffer
5296 (mm-find-buffer-file-coding-system)))
5297 (setq charset gnus-newsgroup-charset))))
5299 (if (mm-handle-undisplayer handle)
5300 (mm-remove-part handle))
5303 gnus-summary-show-article-charset-alist))
5304 (mm-read-coding-system "Charset: "))))
5306 (if (mm-handle-undisplayer handle)
5307 (mm-remove-part handle))))
5311 (if (or coding-system
5314 (mm-charset-to-coding-system charset))
5315 (not (eq coding-system 'ascii))))
5316 (mm-decode-coding-string contents coding-system)
5317 (mm-string-to-multibyte contents)))
5320 (defun gnus-mime-set-charset-parameters (handle charset)
5321 "Set CHARSET to parameters in HANDLE.
5322 CHARSET may either be a string or a symbol."
5323 (unless (stringp charset)
5324 (setq charset (symbol-name charset)))
5325 (if (stringp (car handle))
5326 (dolist (h (cdr handle))
5327 (gnus-mime-set-charset-parameters h charset))
5328 (let* ((type (mm-handle-type (if (equal (mm-handle-media-type handle)
5329 "message/external-body")
5331 (unless (mm-handle-cache handle)
5332 (mm-extern-cache-contents handle))
5333 (mm-handle-cache handle))
5335 (param (assq 'charset (cdr type))))
5337 (setcdr param charset)
5338 (setcdr type (cons (cons 'charset charset) (cdr type)))))))
5340 (defun gnus-mime-view-part-as-charset (&optional handle arg)
5341 "Insert the MIME part under point into the current buffer using the
5343 (interactive (list nil current-prefix-arg))
5344 (gnus-article-check-buffer)
5345 (let ((handle (or handle (get-text-property (point) 'gnus-data)))
5346 (fun (get-text-property (point) 'gnus-callback))
5347 (gnus-newsgroup-ignored-charsets 'gnus-all)
5348 charset form preferred parts)
5355 gnus-summary-show-article-charset-alist))
5356 (mm-read-coding-system "Charset: "))))
5357 (if (mm-handle-undisplayer handle)
5358 (mm-remove-part handle)))
5359 (gnus-mime-set-charset-parameters handle charset)
5360 (when (and (consp (setq form (cdr-safe fun)))
5361 (setq form (ignore-errors
5362 (assq 'gnus-mime-display-alternative form)))
5363 (setq preferred (caddr form))
5365 (when (eq (car preferred) 'quote)
5366 (setq preferred (cadr preferred)))
5367 (not (equal preferred
5368 (get-text-property (point) 'gnus-data))))
5369 (setq parts (get-text-property (point) 'gnus-part))
5370 (setq parts (cdr (assq parts
5371 gnus-article-mime-handle-alist)))
5372 (equal (mm-handle-media-type parts) "multipart/alternative")
5373 (setq parts (reverse (cdr parts))))
5375 (list 'quote (or (cadr (member preferred parts))
5377 (funcall fun handle)))))
5379 (defun gnus-mime-view-part-externally (&optional handle)
5380 "View the MIME part under point with an external viewer."
5382 (gnus-article-check-buffer)
5383 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
5384 (mm-user-display-methods nil)
5385 (mm-inlined-types nil)
5386 (mail-parse-charset gnus-newsgroup-charset)
5387 (mail-parse-ignored-charsets
5388 (with-current-buffer gnus-summary-buffer
5389 gnus-newsgroup-ignored-charsets))
5390 (type (mm-handle-media-type handle))
5391 (method (mailcap-mime-info type))
5392 (mm-enable-external t))
5393 (if (not (stringp method))
5394 (gnus-mime-view-part-as-type
5395 nil (lambda (types) (stringp (mailcap-mime-info (car types)))))
5397 (if (mm-handle-undisplayer handle)
5398 (mm-remove-part handle)
5399 (mm-display-part handle))))))
5401 (defun gnus-mime-view-part-internally (&optional handle)
5402 "View the MIME part under point with an internal viewer.
5403 If no internal viewer is available, use an external viewer."
5405 (gnus-article-check-buffer)
5406 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
5407 (mm-inlined-types '(".*"))
5408 (mm-inline-large-images t)
5409 (mail-parse-charset gnus-newsgroup-charset)
5410 (mail-parse-ignored-charsets
5411 (with-current-buffer gnus-summary-buffer
5412 gnus-newsgroup-ignored-charsets))
5413 (inhibit-read-only t))
5414 (if (not (mm-inlinable-p handle))
5415 (gnus-mime-view-part-as-type
5416 nil (lambda (types) (mm-inlinable-p handle (car types))))
5418 (if (mm-handle-undisplayer handle)
5419 (mm-remove-part handle)
5420 (gnus-bind-safe-url-regexp (mm-display-part handle)))))))
5422 (defun gnus-mime-action-on-part (&optional action)
5423 "Do something with the MIME attachment at \(point\)."
5425 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
5426 (gnus-article-check-buffer)
5427 (let ((action-pair (assoc action gnus-mime-action-alist)))
5429 (funcall (cdr action-pair)))))
5431 (defun gnus-article-part-wrapper (n function &optional no-handle interactive)
5432 "Call FUNCTION on MIME part N.
5433 Unless NO-HANDLE, call FUNCTION with N-th MIME handle as it's only argument.
5434 If INTERACTIVE, call FUNCTION interactivly."
5436 ;; Check whether the article is displayed.
5437 (unless (and (gnus-buffer-live-p gnus-article-buffer)
5438 (setq window (get-buffer-window gnus-article-buffer t))
5439 (frame-visible-p (setq frame (window-frame window))))
5440 (error "No article is displayed"))
5441 (with-current-buffer gnus-article-buffer
5442 ;; Check whether the article displays the right contents.
5443 (unless (with-current-buffer gnus-summary-buffer
5444 (eq gnus-current-article (gnus-summary-article-number)))
5445 (error "You should select the right article first"))
5447 (setq n (prefix-numeric-value n))
5449 (setq n (or (get-text-property pt 'gnus-part)
5451 (get-text-property (1- pt) 'gnus-part))
5452 (get-text-property (prog2
5458 (or (and (setq pt (previous-single-property-change
5461 (next-single-property-change (point) 'gnus-part)
5465 ;; Check whether the specified part exists.
5466 (when (> n (length gnus-article-mime-handle-alist))
5467 (error "No such part")))
5470 ;; To select the window is needed so that the cursor
5471 ;; might be visible on the MIME button.
5472 (select-window (prog1
5474 (setq window (selected-window))
5475 ;; Article may be displayed in the other frame.
5476 (gnus-select-frame-set-input-focus
5479 (setq frame (selected-frame))))))
5480 (when (gnus-article-goto-part n)
5481 ;; We point the cursor and the arrow at the MIME button
5482 ;; when the `function' prompt the user for something.
5483 (let ((cursor-in-non-selected-windows t)
5484 (overlay-arrow-string "=>")
5485 (overlay-arrow-position (point-marker)))
5488 ((and no-handle interactive)
5489 (call-interactively function))
5495 (cdr (assq n gnus-article-mime-handle-alist))))
5498 (cdr (assq n gnus-article-mime-handle-alist)))))
5499 (set-marker overlay-arrow-position nil)
5500 (unless gnus-auto-select-part
5501 (gnus-select-frame-set-input-focus frame)
5502 (select-window window))))
5504 (if gnus-inhibit-mime-unbuttonizing
5505 ;; This is the default though the program shouldn't reach here.
5506 (error "No such part")
5507 ;; The part which doesn't have the MIME button is selected.
5508 ;; So, we display all the buttons and redo it.
5509 (let ((gnus-inhibit-mime-unbuttonizing t))
5510 (gnus-summary-show-article)
5511 (gnus-article-part-wrapper n function no-handle))))))
5513 (defun gnus-article-pipe-part (n)
5514 "Pipe MIME part N, which is the numerical prefix."
5516 (gnus-article-part-wrapper n 'mm-pipe-part))
5518 (defun gnus-article-save-part (n)
5519 "Save MIME part N, which is the numerical prefix."
5521 (gnus-article-part-wrapper n 'mm-save-part))
5523 (defun gnus-article-interactively-view-part (n)
5524 "View MIME part N interactively, which is the numerical prefix."
5526 (gnus-article-part-wrapper n 'mm-interactively-view-part))
5528 (defun gnus-article-copy-part (n)
5529 "Copy MIME part N, which is the numerical prefix."
5531 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
5533 (defun gnus-article-view-part-as-charset (n)
5534 "View MIME part N using a specified charset.
5535 N is the numerical prefix."
5537 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
5539 (defun gnus-article-view-part-externally (n)
5540 "View MIME part N externally, which is the numerical prefix."
5542 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
5544 (defun gnus-article-inline-part (n)
5545 "Inline MIME part N, which is the numerical prefix."
5547 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
5549 (defun gnus-article-save-part-and-strip (n)
5550 "Save MIME part N and replace it with an external body.
5551 N is the numerical prefix."
5553 (gnus-article-part-wrapper n 'gnus-mime-save-part-and-strip t))
5555 (defun gnus-article-replace-part (n)
5556 "Replace MIME part N with an external body.
5557 N is the numerical prefix."
5559 (gnus-article-part-wrapper n 'gnus-mime-replace-part t t))
5561 (defun gnus-article-delete-part (n)
5562 "Delete MIME part N and add some information about the removed part.
5563 N is the numerical prefix."
5565 (gnus-article-part-wrapper n 'gnus-mime-delete-part t))
5567 (defun gnus-article-view-part-as-type (n)
5568 "Choose a MIME media type, and view part N as such.
5569 N is the numerical prefix."
5571 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-type t))
5573 (defun gnus-article-mime-match-handle-first (condition)
5576 (dolist (ihandle gnus-article-mime-handle-alist)
5578 ((functionp condition)
5579 (funcall condition (cdr ihandle)))
5580 ((eq condition 'undisplayed)
5581 (not (or (mm-handle-undisplayer (cdr ihandle))
5582 (equal (mm-handle-media-type (cdr ihandle))
5583 "multipart/alternative"))))
5584 ((eq condition 'undisplayed-alternative)
5585 (not (mm-handle-undisplayer (cdr ihandle))))
5587 (gnus-article-goto-part (car ihandle))
5588 (or (not n) (< (car ihandle) n)))
5589 (setq n (car ihandle))))
5593 (defun gnus-article-view-part (&optional n)
5594 "View MIME part N, which is the numerical prefix.
5595 If the part is already shown, hide the part. If N is nil, view
5598 (with-current-buffer gnus-article-buffer
5599 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
5600 gnus-article-mime-match-handle-function)))
5601 (when (> n (length gnus-article-mime-handle-alist))
5602 (error "No such part"))
5603 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
5604 (when (gnus-article-goto-part n)
5605 (if (equal (car handle) "multipart/alternative")
5606 (gnus-article-press-button)
5607 (when (eq (gnus-mm-display-part handle) 'internal)
5608 (gnus-set-window-start)))))))
5610 (defsubst gnus-article-mime-total-parts ()
5611 (if (bufferp (car gnus-article-mime-handles))
5613 (1- (length gnus-article-mime-handles))))
5615 (defun gnus-mm-display-part (handle)
5616 "Display HANDLE and fix MIME button."
5617 (let ((id (get-text-property (point) 'gnus-part))
5619 (inhibit-read-only t))
5622 (let ((window (selected-window))
5623 (mail-parse-charset gnus-newsgroup-charset)
5624 (mail-parse-ignored-charsets
5625 (if (gnus-buffer-live-p gnus-summary-buffer)
5626 (with-current-buffer gnus-summary-buffer
5627 gnus-newsgroup-ignored-charsets)
5631 (let ((win (gnus-get-buffer-window (current-buffer) t))
5634 (select-window win))
5637 (if (mm-handle-displayed-p handle)
5638 ;; This will remove the part.
5639 (mm-display-part handle)
5641 (narrow-to-region (point)
5642 (if (eobp) (point) (1+ (point))))
5643 (gnus-bind-safe-url-regexp (mm-display-part handle))
5644 ;; We narrow to the part itself and
5645 ;; then call the treatment functions.
5646 (goto-char (point-min))
5648 (narrow-to-region (point) (point-max))
5651 (gnus-article-mime-total-parts)
5652 (mm-handle-media-type handle)))))
5653 (if (window-live-p window)
5654 (select-window window)))))
5657 (gnus-insert-mime-button
5658 handle id (list (mm-handle-displayed-p handle)))
5659 (goto-char point))))
5661 (defun gnus-article-goto-part (n)
5662 "Go to MIME part N."
5663 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
5665 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
5666 (let ((gnus-tmp-name
5667 (or (mail-content-type-get (mm-handle-type handle) 'name)
5668 (mail-content-type-get (mm-handle-disposition handle) 'filename)
5669 (mail-content-type-get (mm-handle-type handle) 'url)
5671 (gnus-tmp-type (mm-handle-media-type handle))
5672 (gnus-tmp-description (or (mm-handle-description handle) ""))
5674 (if (if displayed (car displayed)
5675 (mm-handle-displayed-p handle))
5677 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
5679 gnus-tmp-type-long b e)
5680 (when (string-match ".*/" gnus-tmp-name)
5681 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
5682 (setq gnus-tmp-type-long (concat gnus-tmp-type
5683 (and (not (equal gnus-tmp-name ""))
5684 (concat "; " gnus-tmp-name))))
5685 (unless (equal gnus-tmp-description "")
5686 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
5691 gnus-mime-button-line-format gnus-mime-button-line-format-alist
5692 `(keymap ,gnus-mime-button-map
5693 gnus-callback gnus-mm-display-part
5694 gnus-part ,gnus-tmp-id
5695 article-type annotation
5698 ;; Exclude a newline.
5701 (when gnus-article-button-face
5702 (gnus-overlay-put (gnus-make-overlay b e nil t)
5703 'face gnus-article-button-face))
5704 (widget-convert-button
5707 :action 'gnus-widget-press-button
5708 :button-keymap gnus-mime-button-map
5711 ;; Needed to properly clear the message due to a bug in
5712 ;; wid-edit (XEmacs only).
5713 (if (boundp 'help-echo-owns-message)
5714 (setq help-echo-owns-message t))
5716 "%S: %s the MIME part; %S: more options"
5717 (aref gnus-mouse-2 0)
5718 (if (mm-handle-displayed-p (widget-get widget :mime-handle))
5720 (aref gnus-down-mouse-3 0))))))
5722 (defun gnus-widget-press-button (elems el)
5723 (goto-char (widget-get elems :from))
5724 (gnus-article-press-button))
5726 (defvar gnus-displaying-mime nil)
5728 (defun gnus-display-mime (&optional ihandles)
5729 "Display the MIME parts."
5731 (save-selected-window
5732 (let ((window (get-buffer-window gnus-article-buffer))
5735 (select-window window)
5736 ;; We have to do this since selecting the window
5737 ;; may change the point. So we set the window point.
5738 (set-window-point window point)))
5739 (let ((handles ihandles)
5740 (inhibit-read-only t)
5743 ((setq handles (mm-dissect-buffer nil gnus-article-loose-mime))
5744 (when gnus-article-emulate-mime
5745 (mm-uu-dissect-text-parts handles)))
5746 (gnus-article-emulate-mime
5747 (setq handles (mm-uu-dissect))))
5748 (when (and (not ihandles)
5749 (not gnus-displaying-mime))
5750 ;; Top-level call; we clean up.
5751 (when gnus-article-mime-handles
5752 (mm-destroy-parts gnus-article-mime-handles)
5753 (setq gnus-article-mime-handle-alist nil));; A trick.
5754 (setq gnus-article-mime-handles handles)
5755 ;; We allow users to glean info from the handles.
5756 (when gnus-article-mime-part-function
5757 (gnus-mime-part-function handles)))
5759 (or (not (stringp (car handles)))
5762 (when (and (not ihandles)
5763 (not gnus-displaying-mime))
5764 ;; Clean up for mime parts.
5766 (delete-region (point) (point-max)))
5767 (let ((gnus-displaying-mime t))
5768 (gnus-mime-display-part handles)))
5771 (narrow-to-region (point) (point-max))
5772 (gnus-treat-article nil 1 1)
5775 ;; Highlight the headers.
5779 (narrow-to-region (point-min) (point))
5780 (gnus-article-save-original-date
5781 (gnus-treat-article 'head)))))))
5782 ;; Cope with broken MIME messages.
5783 (goto-char (point-max))
5787 (defcustom gnus-mime-display-multipart-as-mixed nil
5788 "Display \"multipart\" parts as \"multipart/mixed\".
5790 If t, it overrides nil values of
5791 `gnus-mime-display-multipart-alternative-as-mixed' and
5792 `gnus-mime-display-multipart-related-as-mixed'."
5793 :group 'gnus-article-mime
5796 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
5797 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
5799 :group 'gnus-article-mime
5802 (defcustom gnus-mime-display-multipart-related-as-mixed nil
5803 "Display \"multipart/related\" parts as \"multipart/mixed\".
5805 If displaying \"text/html\" is discouraged \(see
5806 `mm-discouraged-alternatives'\) images or other material inside a
5807 \"multipart/related\" part might be overlooked when this variable is nil."
5809 :group 'gnus-article-mime
5812 (defun gnus-mime-display-part (handle)
5814 ;; Maybe a broken MIME message.
5817 ((not (stringp (car handle)))
5818 (gnus-mime-display-single handle))
5819 ;; User-defined multipart
5820 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
5821 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
5823 ;; multipart/alternative
5824 ((and (equal (car handle) "multipart/alternative")
5825 (not (or gnus-mime-display-multipart-as-mixed
5826 gnus-mime-display-multipart-alternative-as-mixed)))
5827 (let ((id (1+ (length gnus-article-mime-handle-alist))))
5828 (push (cons id handle) gnus-article-mime-handle-alist)
5829 (gnus-mime-display-alternative (cdr handle) nil nil id)))
5830 ;; multipart/related
5831 ((and (equal (car handle) "multipart/related")
5832 (not (or gnus-mime-display-multipart-as-mixed
5833 gnus-mime-display-multipart-related-as-mixed)))
5834 ;;;!!!We should find the start part, but we just default
5835 ;;;!!!to the first part.
5836 ;;(gnus-mime-display-part (cadr handle))
5837 ;;;!!! Most multipart/related is an HTML message plus images.
5838 ;;;!!! Unfortunately we are unable to let W3 display those
5839 ;;;!!! included images, so we just display it as a mixed multipart.
5840 ;;(gnus-mime-display-mixed (cdr handle))
5841 ;;;!!! No, w3 can display everything just fine.
5842 (gnus-mime-display-part (cadr handle)))
5843 ((equal (car handle) "multipart/signed")
5844 (gnus-add-wash-type 'signed)
5845 (gnus-mime-display-security handle))
5846 ((equal (car handle) "multipart/encrypted")
5847 (gnus-add-wash-type 'encrypted)
5848 (gnus-mime-display-security handle))
5849 ;; Other multiparts are handled like multipart/mixed.
5851 (gnus-mime-display-mixed (cdr handle)))))
5853 (defun gnus-mime-part-function (handles)
5854 (if (stringp (car handles))
5855 (mapcar 'gnus-mime-part-function (cdr handles))
5856 (funcall gnus-article-mime-part-function handles)))
5858 (defun gnus-mime-display-mixed (handles)
5859 (mapcar 'gnus-mime-display-part handles))
5861 (defun gnus-mime-display-single (handle)
5862 (let ((type (mm-handle-media-type handle))
5863 (ignored gnus-ignored-mime-types)
5870 (when (string-match (pop ignored) type)
5871 (throw 'ignored nil)))
5872 (if (and (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)
5925 (let ((charset (or (mail-content-type-get (mm-handle-type handle)
5927 (and (equal type "text/calendar") 'utf-8))))
5928 (cond ((not charset)
5929 (mm-string-as-multibyte (mm-get-part handle)))
5930 ((eq charset 'gnus-decoded)
5931 (with-current-buffer (mm-handle-buffer handle)
5934 (mm-decode-string (mm-get-part handle) charset)))))
5935 (goto-char (point-max))))
5939 (narrow-to-region beg (point))
5940 (if (eq handle gnus-article-mime-handles)
5941 ;; The format=flowed case.
5942 (gnus-treat-article nil 1 1 (mm-handle-media-type handle))
5943 ;; Don't count signature parts that are never displayed.
5944 ;; The part number should be re-calculated supposing this
5945 ;; might be a message/rfc822 part.
5947 (dolist (part gnus-article-mime-handles)
5948 (unless (or (stringp part)
5949 (equal (car (mm-handle-type part))
5950 "application/pgp-signature"))
5951 (push part handles)))
5953 nil (length (memq handle handles)) (length handles)
5954 (mm-handle-media-type handle)))))))))))
5956 (defun gnus-unbuttonized-mime-type-p (type)
5957 "Say whether TYPE is to be unbuttonized."
5958 (unless gnus-inhibit-mime-unbuttonizing
5960 (let ((types gnus-unbuttonized-mime-types))
5962 (when (string-match (pop types) type)
5963 (throw 'found t)))))
5965 (let ((types gnus-buttonized-mime-types))
5967 (when (string-match (pop types) type)
5968 (throw 'found t)))))))))
5970 (defun gnus-article-insert-newline ()
5971 "Insert a newline, but mark it as undeletable."
5972 (gnus-put-text-property
5973 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
5975 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
5976 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
5979 handle (inhibit-read-only t) from props begend not-pref)
5980 (save-window-excursion
5983 (narrow-to-region (car ibegend)
5986 (goto-char (car ibegend))
5989 (delete-region (point-min) (point-max))
5990 (mm-remove-parts handles))
5991 (setq begend (list (point-marker)))
5993 (unless (setq not-pref (cadr (member preferred ihandles)))
5994 (setq not-pref (car ihandles)))
5997 (not (gnus-unbuttonized-mime-type-p
5998 "multipart/alternative")))
5999 (gnus-add-text-properties
6002 (insert (format "%d. " id))
6006 (unless ,(not ibegend)
6007 (setq gnus-article-mime-handle-alist
6008 ',gnus-article-mime-handle-alist))
6009 (gnus-mime-display-alternative
6010 ',ihandles ',not-pref ',begend ,id))
6011 keymap ,gnus-mime-button-map
6012 ,gnus-mouse-face-prop ,gnus-article-mouse-face
6013 face ,gnus-article-button-face
6015 article-type multipart))
6016 (widget-convert-button 'link from (point)
6017 :action 'gnus-widget-press-button
6018 :button-keymap gnus-widget-button-keymap)
6020 (while (setq handle (pop handles))
6021 (gnus-add-text-properties
6024 (insert (format "(%c) %-18s"
6025 (if (equal handle preferred) ?* ? )
6026 (mm-handle-media-type handle)))
6030 (unless ,(not ibegend)
6031 (setq gnus-article-mime-handle-alist
6032 ',gnus-article-mime-handle-alist))
6033 (gnus-mime-display-alternative
6034 ',ihandles ',handle ',begend ,id))
6035 keymap ,gnus-mime-button-map
6036 ,gnus-mouse-face-prop ,gnus-article-mouse-face
6037 face ,gnus-article-button-face
6040 (widget-convert-button 'link from (point)
6041 :action 'gnus-widget-press-button
6042 :button-keymap gnus-widget-button-keymap)
6046 (if (stringp (car preferred))
6047 (gnus-display-mime preferred)
6048 (let ((mail-parse-charset gnus-newsgroup-charset)
6049 (mail-parse-ignored-charsets
6050 (with-current-buffer gnus-summary-buffer
6051 gnus-newsgroup-ignored-charsets)))
6052 (gnus-bind-safe-url-regexp (mm-display-part preferred))
6056 (narrow-to-region (car begend) (point-max))
6058 nil (length gnus-article-mime-handle-alist)
6059 (gnus-article-mime-total-parts)
6060 (mm-handle-media-type handle))))))
6061 (goto-char (point-max))
6062 (setcdr begend (point-marker)))))
6064 (goto-char point))))
6066 (defconst gnus-article-wash-status-strings
6067 (let ((alist '((cite "c" "Possible hidden citation text"
6068 " " "All citation text visible")
6069 (headers "h" "Hidden headers"
6070 " " "All headers visible.")
6071 (pgp "p" "Encrypted or signed message status hidden"
6072 " " "No hidden encryption nor digital signature status")
6073 (signature "s" "Signature has been hidden"
6074 " " "Signature is visible")
6075 (overstrike "o" "Overstrike (^H) characters applied"
6076 " " "No overstrike characters applied")
6077 (emphasis "e" "/*_Emphasis_*/ characters applied"
6078 " " "No /*_emphasis_*/ characters applied")))
6080 (dolist (entry alist result)
6081 (let ((key (nth 0 entry))
6082 (on (copy-sequence (nth 1 entry)))
6083 (on-help (nth 2 entry))
6084 (off (copy-sequence (nth 3 entry)))
6085 (off-help (nth 4 entry)))
6086 (put-text-property 0 1 'help-echo on-help on)
6087 (put-text-property 0 1 'help-echo off-help off)
6088 (push (list key on off) result))))
6089 "Alist of strings describing wash status in the mode line.
6090 Each entry has the form (KEY ON OF), where the KEY is a symbol
6091 representing the particular washing function, ON is the string to use
6092 in the article mode line when the washing function is active, and OFF
6093 is the string to use when it is inactive.")
6095 (defun gnus-article-wash-status-entry (key value)
6096 (let ((entry (assoc key gnus-article-wash-status-strings)))
6097 (if value (nth 1 entry) (nth 2 entry))))
6099 (defun gnus-article-wash-status ()
6100 "Return a string which display status of article washing."
6101 (with-current-buffer gnus-article-buffer
6102 (let ((cite (memq 'cite gnus-article-wash-types))
6103 (headers (memq 'headers gnus-article-wash-types))
6104 (boring (memq 'boring-headers gnus-article-wash-types))
6105 (pgp (memq 'pgp gnus-article-wash-types))
6106 (pem (memq 'pem gnus-article-wash-types))
6107 (signed (memq 'signed gnus-article-wash-types))
6108 (encrypted (memq 'encrypted gnus-article-wash-types))
6109 (signature (memq 'signature gnus-article-wash-types))
6110 (overstrike (memq 'overstrike gnus-article-wash-types))
6111 (emphasis (memq 'emphasis gnus-article-wash-types)))
6113 (gnus-article-wash-status-entry 'cite cite)
6114 (gnus-article-wash-status-entry 'headers (or headers boring))
6115 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
6116 (gnus-article-wash-status-entry 'signature signature)
6117 (gnus-article-wash-status-entry 'overstrike overstrike)
6118 (gnus-article-wash-status-entry 'emphasis emphasis)))))
6120 (defun gnus-add-wash-type (type)
6121 "Add a washing of TYPE to the current status."
6122 (add-to-list 'gnus-article-wash-types type))
6124 (defun gnus-delete-wash-type (type)
6125 "Add a washing of TYPE to the current status."
6126 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
6128 (defun gnus-add-image (category image)
6129 "Add IMAGE of CATEGORY to the list of displayed images."
6130 (let ((entry (assq category gnus-article-image-alist)))
6132 (setq entry (list category))
6133 (push entry gnus-article-image-alist))
6134 (nconc entry (list image))))
6136 (defun gnus-delete-images (category)
6137 "Delete all images in CATEGORY."
6138 (let ((entry (assq category gnus-article-image-alist)))
6139 (dolist (image (cdr entry))
6140 (gnus-remove-image image category))
6141 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
6142 (gnus-delete-wash-type category)))
6144 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
6146 (defun gnus-article-maybe-hide-headers ()
6147 "Hide unwanted headers if `gnus-have-all-headers' is nil.
6148 Provided for backwards compatibility."
6149 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
6150 (not (with-current-buffer gnus-summary-buffer
6151 gnus-have-all-headers)))
6152 (not gnus-inhibit-hiding))
6153 (gnus-article-hide-headers)))
6157 (defun gnus-output-to-file (file-name)
6158 "Append the current article to a file named FILE-NAME.
6159 If `gnus-article-save-coding-system' is non-nil, it is used to encode
6160 text and used as the value of the coding cookie which is added to the
6161 top of a file. Otherwise, this function saves a raw article without
6163 (let* ((artbuf (current-buffer))
6164 (file-name-coding-system nnmail-pathname-coding-system)
6165 (coding gnus-article-save-coding-system)
6166 (coding-system-for-read (if coding
6167 nil ;; Rely on the coding cookie.
6168 mm-text-coding-system))
6169 (coding-system-for-write (or coding
6170 mm-text-coding-system-for-write
6171 mm-text-coding-system))
6172 (exists (file-exists-p file-name)))
6175 (insert-file-contents file-name)
6176 (goto-char (point-min))
6177 ;; Remove the existing coding cookie.
6178 (when (looking-at "X-Gnus-Coding-System: .+\n\n")
6179 (delete-region (match-beginning 0) (match-end 0))))
6180 (goto-char (point-max))
6181 (insert-buffer-substring artbuf)
6182 ;; Append newline at end of the buffer as separator, and then
6184 (goto-char (point-max))
6187 ;; If the coding system is not suitable to encode the text,
6188 ;; ask a user for a proper one.
6189 (when (fboundp 'select-safe-coding-system)
6190 (setq coding (coding-system-base
6191 (save-window-excursion
6192 (select-safe-coding-system (point-min) (point-max)
6194 (setq coding-system-for-write
6195 (or (cdr (assq coding '((mule-utf-8 . utf-8))))
6197 (goto-char (point-min))
6198 ;; Add the coding cookie.
6199 (insert (format "X-Gnus-Coding-System: -*- coding: %s; -*-\n\n"
6200 coding-system-for-write)))
6203 (write-region (point-min) (point-max) file-name nil 'no-message)
6204 (message "Appended to %s" file-name))
6205 (write-region (point-min) (point-max) file-name))))
6208 (defun gnus-narrow-to-page (&optional arg)
6209 "Narrow the article buffer to a page.
6210 If given a numerical ARG, move forward ARG pages."
6212 (setq arg (if arg (prefix-numeric-value arg) 0))
6213 (with-current-buffer gnus-article-buffer
6215 ;; Remove any old next/prev buttons.
6216 (when (gnus-visual-p 'page-marker)
6217 (let ((inhibit-read-only t))
6218 (gnus-remove-text-with-property 'gnus-prev)
6219 (gnus-remove-text-with-property 'gnus-next)))
6221 (when (save-excursion
6223 (if (re-search-backward page-delimiter nil 'move (abs arg))
6225 (setq nd (match-beginning 0)
6227 (when (re-search-backward page-delimiter nil t)
6228 (setq st (match-end 0))))
6229 (when (re-search-forward page-delimiter nil t)
6230 (setq nd (match-beginning 0)
6233 (if (re-search-forward page-delimiter nil 'move arg)
6235 (setq st (match-end 0)
6237 (when (re-search-forward page-delimiter nil t)
6238 (setq nd (match-beginning 0))))
6239 (when (re-search-backward page-delimiter nil t)
6240 (setq st (match-end 0)
6243 (when (re-search-backward page-delimiter nil t)
6244 (goto-char (setq st (match-end 0))))
6245 (when (re-search-forward page-delimiter nil t)
6246 (setq nd (match-beginning 0)))
6248 (setq gnus-page-broken t)
6249 (when pt (goto-char pt))
6250 (narrow-to-region (or st (point-min)) (or nd (point-max)))
6251 (when (gnus-visual-p 'page-marker)
6255 (gnus-insert-next-page-button))
6258 (gnus-insert-prev-page-button))))))))
6260 ;; Article mode commands
6262 (defun gnus-article-goto-next-page ()
6263 "Show the next page of the article."
6265 (when (gnus-article-next-page)
6266 (goto-char (point-min))
6267 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
6270 (defun gnus-article-goto-prev-page ()
6271 "Show the previous page of the article."
6273 (if (save-restriction (widen) (bobp)) ;; Real beginning-of-buffer?
6274 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
6275 (gnus-article-prev-page nil)))
6277 ;; This is cleaner but currently breaks `gnus-pick-mode':
6279 ;; (defun gnus-article-goto-next-page ()
6280 ;; "Show the next page of the article."
6282 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
6283 ;; (gnus-summary-next-page)))
6285 ;; (defun gnus-article-goto-prev-page ()
6286 ;; "Show the next page of the article."
6288 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
6289 ;; (gnus-summary-prev-page)))
6291 (defun gnus-article-next-page (&optional lines)
6292 "Show the next page of the current article.
6293 If end of article, return non-nil. Otherwise return nil.
6294 Argument LINES specifies lines to be scrolled up."
6296 (move-to-window-line (if (featurep 'xemacs) -1 (- -1 scroll-margin)))
6297 (if (and (not (and gnus-article-over-scroll
6298 (> (count-lines (window-start) (point-max))
6299 (if (featurep 'xemacs)
6300 (or lines (1- (window-height)))
6301 (+ (or lines (1- (window-height))) scroll-margin)))))
6304 (and (pos-visible-in-window-p) ;Not continuation line.
6305 (>= (1+ (point)) (point-max))))) ;Allow for trailing newline.
6306 ;; Nothing in this page.
6307 (if (or (not gnus-page-broken)
6312 (eobp)))) ;Real end-of-buffer?
6314 (when gnus-article-over-scroll
6315 (gnus-article-next-page-1 lines))
6317 (gnus-narrow-to-page 1) ;Go to next page.
6319 ;; More in this page.
6320 (gnus-article-next-page-1 lines)
6323 (defun gnus-article-beginning-of-window ()
6324 "Move point to the beginning of the window.
6325 In Emacs, the point is placed at the line number which `scroll-margin'
6327 (if (featurep 'xemacs)
6328 (move-to-window-line 0)
6329 ;; There is an obscure bug in Emacs that makes it impossible to
6330 ;; scroll past big pictures in the article buffer. Try to fix
6331 ;; this by adding a sanity check by counting the lines visible.
6332 (when (> (count-lines (window-start) (window-end)) 30)
6333 (move-to-window-line
6334 (min (max 0 scroll-margin)
6335 (max 1 (- (window-height)
6336 (if mode-line-format 1 0)
6337 (if header-line-format 1 0)
6340 (defun gnus-article-next-page-1 (lines)
6342 (let ((scroll-in-place nil))
6345 ;; Long lines may cause an end-of-buffer error.
6346 (goto-char (point-max))))
6347 (gnus-article-beginning-of-window))
6349 (defun gnus-article-prev-page (&optional lines)
6350 "Show previous page of current article.
6351 Argument LINES specifies lines to be scrolled down."
6353 (move-to-window-line 0)
6354 (if (and gnus-page-broken
6356 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
6358 (gnus-narrow-to-page -1) ;Go to previous page.
6359 (goto-char (point-max))
6360 (recenter (if gnus-article-over-scroll
6362 (max (if (featurep 'xemacs)
6364 (+ lines scroll-margin))
6366 (- (window-height) 2))
6370 (let ((scroll-in-place nil))
6371 (scroll-down lines))
6372 (beginning-of-buffer
6373 (goto-char (point-min))))
6374 (gnus-article-beginning-of-window))))
6376 (defun gnus-article-only-boring-p ()
6377 "Decide whether there is only boring text remaining in the article.
6378 Something \"interesting\" is a word of at least two letters that does
6379 not have a face in `gnus-article-boring-faces'."
6380 (when (and gnus-article-skip-boring
6381 (boundp 'gnus-article-boring-faces)
6382 (symbol-value 'gnus-article-boring-faces))
6384 (let ((inhibit-point-motion-hooks t))
6386 (while (re-search-forward "\\b\\w\\w" nil t)
6388 (when (not (gnus-intersection
6389 (gnus-faces-at (point))
6390 (symbol-value 'gnus-article-boring-faces)))
6391 (throw 'only-boring nil)))
6392 (throw 'only-boring t))))))
6394 (defun gnus-article-refer-article ()
6395 "Read article specified by message-id around point."
6398 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
6399 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
6400 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
6401 (let ((msg-id (concat "<" (match-string 0) ">")))
6402 (set-buffer gnus-summary-buffer)
6403 (gnus-summary-refer-article msg-id))
6404 (error "No references around point"))))
6406 (defun gnus-article-show-summary ()
6407 "Reconfigure windows to show summary buffer."
6409 (if (not (gnus-buffer-live-p gnus-summary-buffer))
6410 (error "There is no summary buffer for this article buffer")
6411 (gnus-article-set-globals)
6412 (gnus-configure-windows 'article)
6413 (gnus-summary-goto-subject gnus-current-article)
6414 (gnus-summary-position-point)))
6416 (defun gnus-article-describe-briefly ()
6417 "Describe article mode commands briefly."
6419 (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")))
6421 (defun gnus-article-check-buffer ()
6422 "Beep if not in an article buffer."
6423 (unless (equal major-mode 'gnus-article-mode)
6424 (error "Command invoked outside of a Gnus article buffer")))
6426 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
6427 "Read a summary buffer key sequence and execute it from the article buffer."
6429 (gnus-article-check-buffer)
6431 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
6432 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
6433 "=" "^" "\M-^" "|"))
6435 '("A " "A<" "A>" "AM" "AP" "AR" "AT" "A\C-?" "A\M-\r" "A\r" "Ab" "Ae"
6436 "An" "Ap" [?A (meta return)] [?A delete]))
6440 '("n" "Gn" "p" "Gp"))
6442 (with-current-buffer gnus-article-current-summary
6443 (let (gnus-pick-mode)
6444 (setq unread-command-events (nconc unread-command-events
6445 (list (or key last-command-event)))
6446 keys (if (featurep 'xemacs)
6447 (events-to-keys (read-key-sequence nil t))
6448 (read-key-sequence nil t)))))
6453 ((eq (aref keys (1- (length keys))) ?\C-h)
6454 (gnus-article-describe-bindings (substring keys 0 -1)))
6455 ((or (member keys nosaves)
6456 (member keys nosave-but-article)
6457 (member keys nosave-in-article))
6459 (save-window-excursion
6460 (pop-to-buffer gnus-article-current-summary)
6461 ;; We disable the pick minor mode commands.
6462 (let (gnus-pick-mode)
6463 (setq func (key-binding keys t))))
6467 (unless (member keys nosave-in-article)
6468 (set-buffer gnus-article-current-summary))
6469 (call-interactively func)
6470 (setq new-sum-point (point)))
6471 (when (member keys nosave-but-article)
6472 (pop-to-buffer gnus-article-buffer))))
6474 ;; These commands should restore window configuration.
6475 (let ((obuf (current-buffer))
6476 (owin (current-window-configuration))
6477 win func in-buffer selected new-sum-start new-sum-hscroll err)
6478 (cond (not-restore-window
6479 (pop-to-buffer gnus-article-current-summary)
6480 (setq win (selected-window)))
6481 ((setq win (get-buffer-window gnus-article-current-summary))
6482 (select-window win))
6484 (let ((summary-buffer gnus-article-current-summary))
6485 (gnus-configure-windows 'article)
6486 (unless (setq win (get-buffer-window summary-buffer 'visible))
6487 (let ((gnus-buffer-configuration
6488 '((article ((vertical 1.0
6489 (summary 0.25 point)
6491 (gnus-configure-windows 'article))
6492 (setq win (get-buffer-window summary-buffer 'visible)))
6493 (gnus-select-frame-set-input-focus (window-frame win))
6494 (select-window win))))
6495 (setq in-buffer (current-buffer))
6496 ;; We disable the pick minor mode commands.
6497 (if (and (setq func (let (gnus-pick-mode)
6498 (key-binding keys t)))
6500 (condition-case code
6502 (call-interactively func)
6508 (when (eq win (selected-window))
6509 (setq new-sum-point (point)
6510 new-sum-start (window-start win)
6511 new-sum-hscroll (window-hscroll win)))
6512 (when (or (eq in-buffer (current-buffer))
6513 (when (eq obuf (current-buffer))
6514 (set-buffer in-buffer)
6516 (setq selected (gnus-summary-select-article))
6518 (unless not-restore-window
6519 (set-window-configuration owin))
6520 (when (and (eq selected 'old)
6522 (set-window-start (get-buffer-window (current-buffer))
6524 (set-window-point (get-buffer-window (current-buffer))
6525 (if (article-goto-body)
6528 (when (and (not not-restore-window)
6531 (with-current-buffer (window-buffer win)
6532 (eq major-mode 'gnus-summary-mode)))
6533 (set-window-point win new-sum-point)
6534 (set-window-start win new-sum-start)
6535 (set-window-hscroll win new-sum-hscroll))))
6536 (set-window-configuration owin)
6538 (signal (car err) (cdr err))
6541 (defun gnus-article-read-summary-send-keys ()
6543 (let ((unread-command-events (list (gnus-character-to-event ?S))))
6544 (gnus-article-read-summary-keys)))
6546 (defun gnus-article-describe-key (key)
6547 "Display documentation of the function invoked by KEY.
6548 KEY is a string or a vector."
6549 (interactive (list (let ((cursor-in-echo-area t)) ;; better for XEmacs.
6550 (read-key-sequence "Describe key: "))))
6551 (gnus-article-check-buffer)
6552 (if (memq (key-binding key t) '(gnus-article-read-summary-keys
6553 gnus-article-read-summary-send-keys))
6554 (with-current-buffer gnus-article-current-summary
6555 (setq unread-command-events
6556 (if (featurep 'xemacs)
6558 (mapcar (lambda (x) (if (and (integerp x) (>= x 128))
6559 (list 'meta (- x 128))
6562 (let ((cursor-in-echo-area t)
6564 (describe-key (read-key-sequence nil t))))
6565 (describe-key key)))
6567 (defun gnus-article-describe-key-briefly (key &optional insert)
6568 "Display documentation of the function invoked by KEY.
6569 KEY is a string or a vector."
6570 (interactive (list (let ((cursor-in-echo-area t)) ;; better for XEmacs.
6571 (read-key-sequence "Describe key: "))
6572 current-prefix-arg))
6573 (gnus-article-check-buffer)
6574 (if (memq (key-binding key t) '(gnus-article-read-summary-keys
6575 gnus-article-read-summary-send-keys))
6576 (with-current-buffer gnus-article-current-summary
6577 (setq unread-command-events
6578 (if (featurep 'xemacs)
6580 (mapcar (lambda (x) (if (and (integerp x) (>= x 128))
6581 (list 'meta (- x 128))
6584 (let ((cursor-in-echo-area t)
6586 (describe-key-briefly (read-key-sequence nil t) insert)))
6587 (describe-key-briefly key insert)))
6589 ;;`gnus-agent-mode' in gnus-agent.el will define it.
6590 (defvar gnus-agent-summary-mode)
6591 (defvar gnus-draft-mode)
6592 ;; Calling help-buffer will autoload help-mode.
6593 (defvar help-xref-stack-item)
6594 ;; Emacs 22 doesn't load it in the batch mode.
6596 (autoload 'help-buffer "help-mode"))
6598 (defun gnus-article-describe-bindings (&optional prefix)
6599 "Show a list of all defined keys, and their definitions.
6600 The optional argument PREFIX, if non-nil, should be a key sequence;
6601 then we display only bindings that start with that prefix."
6603 (gnus-article-check-buffer)
6604 (let ((keymap (copy-keymap gnus-article-mode-map))
6605 (map (copy-keymap gnus-article-send-map))
6606 (sumkeys (where-is-internal 'gnus-article-read-summary-keys))
6608 (define-key keymap "S" map)
6609 (define-key map [t] nil)
6610 (with-current-buffer gnus-article-current-summary
6613 (if (setq parent (keymap-parent gnus-article-mode-map))
6615 (setq parent (copy-keymap parent))
6616 (set-keymap-parent parent (current-local-map)))
6617 (current-local-map)))
6618 (set-keymap-parent map (key-binding "S"))
6619 (let (key def gnus-pick-mode)
6621 (setq key (pop sumkeys))
6622 (cond ((and (vectorp key) (= (length key) 1)
6623 (consp (setq def (aref key 0)))
6624 (numberp (car def)) (numberp (cdr def)))
6625 (when (< (max (car def) (cdr def)) 128)
6629 (nreverse (gnus-uncompress-range def)))
6631 ((setq def (key-binding key))
6632 (unless (eq def 'undefined)
6633 (define-key keymap key def))))))
6634 (when (boundp 'gnus-agent-summary-mode)
6635 (setq agent gnus-agent-summary-mode))
6636 (when (boundp 'gnus-draft-mode)
6637 (setq draft gnus-draft-mode)))
6639 (use-local-map keymap)
6640 (set (make-local-variable 'gnus-agent-summary-mode) agent)
6641 (set (make-local-variable 'gnus-draft-mode) draft)
6642 (describe-bindings prefix))
6643 (let ((item `((lambda (prefix)
6644 (with-current-buffer ,(current-buffer)
6645 (gnus-article-describe-bindings prefix)))
6647 (with-current-buffer (let (help-xref-following) (help-buffer))
6648 (setq help-xref-stack-item item)))))
6650 (defun gnus-article-reply-with-original (&optional wide)
6651 "Start composing a reply mail to the current message.
6652 The text in the region will be yanked. If the region isn't active,
6653 the entire article will be yanked."
6655 (let ((article (cdr gnus-article-current))
6657 (if (not (gnus-region-active-p))
6658 (with-current-buffer gnus-summary-buffer
6659 (gnus-summary-reply (list (list article)) wide))
6660 (setq contents (buffer-substring (point) (mark t)))
6661 ;; Deactivate active regions.
6662 (when (and (boundp 'transient-mark-mode)
6663 transient-mark-mode)
6664 (setq mark-active nil))
6665 (with-current-buffer gnus-summary-buffer
6667 (list (list article contents)) wide)))))
6669 (defun gnus-article-wide-reply-with-original ()
6670 "Start composing a wide reply mail to the current message.
6671 The text in the region will be yanked. If the region isn't active,
6672 the entire article will be yanked."
6674 (gnus-article-reply-with-original t))
6676 (defun gnus-article-followup-with-original ()
6677 "Compose a followup to the current article.
6678 The text in the region will be yanked. If the region isn't active,
6679 the entire article will be yanked."
6681 (let ((article (cdr gnus-article-current))
6683 (if (not (gnus-region-active-p))
6684 (with-current-buffer gnus-summary-buffer
6685 (gnus-summary-followup (list (list article))))
6686 (setq contents (buffer-substring (point) (mark t)))
6687 ;; Deactivate active regions.
6688 (when (and (boundp 'transient-mark-mode)
6689 transient-mark-mode)
6690 (setq mark-active nil))
6691 (with-current-buffer gnus-summary-buffer
6692 (gnus-summary-followup
6693 (list (list article contents)))))))
6695 (defun gnus-article-hide (&optional arg force)
6696 "Hide all the gruft in the current article.
6697 This means that signatures, cited text and (some) headers will be
6699 If given a prefix, show the hidden text instead."
6700 (interactive (append (gnus-article-hidden-arg) (list 'force)))
6701 (gnus-article-hide-headers arg)
6702 (gnus-article-hide-list-identifiers arg)
6703 (gnus-article-hide-citation-maybe arg force)
6704 (gnus-article-hide-signature arg))
6706 (defun gnus-article-maybe-highlight ()
6707 "Do some article highlighting if article highlighting is requested."
6708 (when (gnus-visual-p 'article-highlight 'highlight)
6709 (gnus-article-highlight-some)))
6711 (defun gnus-check-group-server ()
6712 ;; Make sure the connection to the server is alive.
6713 (unless (gnus-server-opened
6714 (gnus-find-method-for-group gnus-newsgroup-name))
6715 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
6716 (gnus-request-group gnus-newsgroup-name t)))
6719 (autoload 'nneething-get-file-name "nneething"))
6721 (defun gnus-request-article-this-buffer (article group)
6722 "Get an article and insert it into this buffer."
6723 (let (do-update-line sparse-header)
6727 (gnus-kill-all-overlays)
6728 (setq group (or group gnus-newsgroup-name))
6730 ;; Using `gnus-request-article' directly will insert the article into
6731 ;; `nntp-server-buffer' - so we'll save some time by not having to
6732 ;; copy it from the server buffer into the article buffer.
6734 ;; We only request an article by message-id when we do not have the
6735 ;; headers for it, so we'll have to get those.
6736 (when (stringp article)
6737 (gnus-read-header article))
6739 ;; If the article number is negative, that means that this article
6740 ;; doesn't belong in this newsgroup (possibly), so we find its
6741 ;; message-id and request it by id instead of number.
6742 (when (and (numberp article)
6744 (get-buffer gnus-summary-buffer)
6745 (gnus-buffer-exists-p gnus-summary-buffer))
6746 (with-current-buffer gnus-summary-buffer
6747 (let ((header (gnus-summary-article-header article)))
6750 ((memq article gnus-newsgroup-sparse)
6751 ;; This is a sparse gap article.
6752 (setq do-update-line article)
6753 (setq article (mail-header-id header))
6754 (setq sparse-header (gnus-read-header article))
6755 (setq gnus-newsgroup-sparse
6756 (delq article gnus-newsgroup-sparse)))
6758 ;; It's a real article.
6759 (setq article (mail-header-id header)))
6761 ;; It is an extracted pseudo-article.
6762 (setq article 'pseudo)
6763 (gnus-request-pseudo-article header))))
6765 (let ((method (gnus-find-method-for-group
6766 gnus-newsgroup-name)))
6767 (when (and (eq (car method) 'nneething)
6769 (let ((dir (nneething-get-file-name
6770 (mail-header-id header))))
6771 (when (and (stringp dir)
6772 (file-directory-p dir))
6773 (setq article 'nneething)
6774 (gnus-group-enter-directory dir))))))))
6777 ;; Refuse to select canceled articles.
6778 ((and (numberp article)
6780 (get-buffer gnus-summary-buffer)
6781 (gnus-buffer-exists-p gnus-summary-buffer)
6782 (eq (cdr (with-current-buffer gnus-summary-buffer
6783 (assq article gnus-newsgroup-reads)))
6784 gnus-canceled-mark))
6786 ;; We first check `gnus-original-article-buffer'.
6787 ((and (get-buffer gnus-original-article-buffer)
6789 (with-current-buffer gnus-original-article-buffer
6790 (and (equal (car gnus-original-article) group)
6791 (eq (cdr gnus-original-article) article))))
6792 ;; `insert-buffer-substring' would incorrectly use the
6793 ;; equivalent of string-make-multibyte which amount to decoding
6794 ;; with locale-coding-system, causing failure of
6795 ;; subsequent decoding.
6796 (insert (mm-string-to-multibyte
6797 (with-current-buffer gnus-original-article-buffer
6798 (buffer-substring (point-min) (point-max)))))
6800 ;; Check the backlog.
6801 ((and gnus-keep-backlog
6802 (gnus-backlog-request-article group article (current-buffer)))
6804 ;; Check asynchronous pre-fetch.
6805 ((gnus-async-request-fetched-article group article (current-buffer))
6806 (gnus-async-prefetch-next group article gnus-summary-buffer)
6807 (when (and (numberp article) gnus-keep-backlog)
6808 (gnus-backlog-enter-article group article (current-buffer)))
6811 ((and gnus-use-cache
6813 (gnus-cache-request-article article group))
6815 ;; Check the agent cache.
6816 ((gnus-agent-request-article article group)
6818 ;; Get the article and put into the article buffer.
6819 ((or (stringp article)
6821 (let ((gnus-override-method gnus-override-method)
6822 (methods (and (stringp article)
6823 gnus-refer-article-method))
6824 (backend (car (gnus-find-method-for-group
6825 gnus-newsgroup-name)))
6827 (inhibit-read-only t))
6828 (if (or (not (listp methods))
6829 (and (symbolp (car methods))
6830 (assq (car methods) nnoo-definition-alist)))
6831 (setq methods (list methods)))
6832 (when (and (null gnus-override-method)
6834 (setq gnus-override-method (pop methods)))
6836 (when (eq gnus-override-method 'current)
6837 (setq gnus-override-method
6838 (with-current-buffer gnus-summary-buffer
6839 gnus-current-select-method)))
6841 (gnus-kill-all-overlays)
6842 (let ((gnus-newsgroup-name group))
6843 (gnus-check-group-server))
6845 ((gnus-request-article article group (current-buffer))
6846 (when (numberp article)
6847 (gnus-async-prefetch-next group article
6848 gnus-summary-buffer)
6849 (when gnus-keep-backlog
6850 (gnus-backlog-enter-article
6851 group article (current-buffer))))
6852 (setq result 'article))
6854 (setq gnus-override-method (pop methods)))
6855 ((not (string-match "^400 "
6856 (nnheader-get-report backend)))
6857 ;; If we get 400 server disconnect, reconnect and
6858 ;; retry; otherwise, assume the article has expired.
6859 (setq result 'done))))
6860 (and (eq result 'article) 'article)))
6864 ;; Associate this article with the current summary buffer.
6865 (setq gnus-article-current-summary gnus-summary-buffer)
6867 ;; Take the article from the original article buffer
6868 ;; and place it in the buffer it's supposed to be in.
6869 (when (and (get-buffer gnus-article-buffer)
6870 (equal (buffer-name (current-buffer))
6871 (buffer-name (get-buffer gnus-article-buffer))))
6873 (if (get-buffer gnus-original-article-buffer)
6874 (set-buffer gnus-original-article-buffer)
6875 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
6876 (buffer-disable-undo)
6877 (setq major-mode 'gnus-original-article-mode)
6878 (setq buffer-read-only t))
6879 (let ((inhibit-read-only t))
6881 (insert-buffer-substring gnus-article-buffer))
6882 (setq gnus-original-article (cons group article)))
6885 (run-hooks 'gnus-article-decode-hook)
6886 ;; Mark article as decoded or not.
6887 (setq gnus-article-decoded-p gnus-article-decode-hook))
6889 ;; Update sparse articles.
6890 (when (and do-update-line
6891 (or (numberp article)
6893 (let ((buf (current-buffer)))
6894 (set-buffer gnus-summary-buffer)
6895 (gnus-summary-update-article do-update-line sparse-header)
6896 (gnus-summary-goto-subject do-update-line nil t)
6897 (set-window-point (gnus-get-buffer-window (current-buffer) t)
6899 (set-buffer buf))))))
6905 (defcustom gnus-article-edit-mode-hook nil
6906 "Hook run in article edit mode buffers."
6907 :group 'gnus-article-various
6910 (defvar gnus-article-edit-done-function nil)
6912 (defvar gnus-article-edit-mode-map nil)
6914 ;; Should we be using derived.el for this?
6915 (unless gnus-article-edit-mode-map
6916 (setq gnus-article-edit-mode-map (make-keymap))
6917 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
6919 (gnus-define-keys gnus-article-edit-mode-map
6920 "\C-c?" describe-mode
6921 "\C-c\C-c" gnus-article-edit-done
6922 "\C-c\C-k" gnus-article-edit-exit
6923 "\C-c\C-f\C-t" message-goto-to
6924 "\C-c\C-f\C-o" message-goto-from
6925 "\C-c\C-f\C-b" message-goto-bcc
6926 ;;"\C-c\C-f\C-w" message-goto-fcc
6927 "\C-c\C-f\C-c" message-goto-cc
6928 "\C-c\C-f\C-s" message-goto-subject
6929 "\C-c\C-f\C-r" message-goto-reply-to
6930 "\C-c\C-f\C-n" message-goto-newsgroups
6931 "\C-c\C-f\C-d" message-goto-distribution
6932 "\C-c\C-f\C-f" message-goto-followup-to
6933 "\C-c\C-f\C-m" message-goto-mail-followup-to
6934 "\C-c\C-f\C-k" message-goto-keywords
6935 "\C-c\C-f\C-u" message-goto-summary
6936 "\C-c\C-f\C-i" message-insert-or-toggle-importance
6937 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
6938 "\C-c\C-b" message-goto-body
6939 "\C-c\C-i" message-goto-signature
6941 "\C-c\C-t" message-insert-to
6942 "\C-c\C-n" message-insert-newsgroups
6943 "\C-c\C-o" message-sort-headers
6944 "\C-c\C-e" message-elide-region
6945 "\C-c\C-v" message-delete-not-region
6946 "\C-c\C-z" message-kill-to-signature
6947 "\M-\r" message-newline-and-reformat
6948 "\C-c\C-a" mml-attach-file
6949 "\C-a" message-beginning-of-line
6951 "\M-;" comment-region)
6953 (gnus-define-keys (gnus-article-edit-wash-map
6954 "\C-c\C-w" gnus-article-edit-mode-map)
6955 "f" gnus-article-edit-full-stops))
6958 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
6960 ["Fetch To" message-insert-to t]
6961 ["Fetch Newsgroups" message-insert-newsgroups t]
6963 ["To" message-goto-to t]
6964 ["From" message-goto-from t]
6965 ["Subject" message-goto-subject t]
6966 ["Cc" message-goto-cc t]
6967 ["Reply-To" message-goto-reply-to t]
6968 ["Summary" message-goto-summary t]
6969 ["Keywords" message-goto-keywords t]
6970 ["Newsgroups" message-goto-newsgroups t]
6971 ["Followup-To" message-goto-followup-to t]
6972 ["Mail-Followup-To" message-goto-mail-followup-to t]
6973 ["Distribution" message-goto-distribution t]
6974 ["Body" message-goto-body t]
6975 ["Signature" message-goto-signature t]))
6977 (define-derived-mode gnus-article-edit-mode message-mode "Article Edit"
6978 "Major mode for editing articles.
6979 This is an extended text-mode.
6981 \\{gnus-article-edit-mode-map}"
6982 (make-local-variable 'gnus-article-edit-done-function)
6983 (make-local-variable 'gnus-prev-winconf)
6984 (set (make-local-variable 'font-lock-defaults)
6985 '(message-font-lock-keywords t))
6986 (set (make-local-variable 'mail-header-separator) "")
6987 (set (make-local-variable 'gnus-article-edit-mode) t)
6988 (easy-menu-add message-mode-field-menu message-mode-map)
6990 (setq buffer-read-only nil)
6991 (buffer-enable-undo)
6994 (defun gnus-article-edit (&optional force)
6995 "Edit the current article.
6996 This will have permanent effect only in mail groups.
6997 If FORCE is non-nil, allow editing of articles even in read-only
7000 (when (and (not force)
7001 (gnus-group-read-only-p))
7002 (error "The current newsgroup does not support article editing"))
7003 (gnus-article-date-original)
7004 (gnus-article-edit-article
7006 `(lambda (no-highlight)
7008 (gnus-summary-edit-article-done
7009 ,(or (mail-header-references gnus-current-headers) "")
7010 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
7012 (defun gnus-article-edit-article (start-func exit-func &optional quiet)
7013 "Start editing the contents of the current article buffer."
7014 (let ((winconf (current-window-configuration)))
7015 (set-buffer gnus-article-buffer)
7016 (let ((message-auto-save-directory
7017 ;; Don't associate the article buffer with a draft file.
7019 (gnus-article-edit-mode))
7020 (funcall start-func)
7021 (set-buffer-modified-p nil)
7022 (gnus-configure-windows 'edit-article)
7023 (setq gnus-article-edit-done-function exit-func)
7024 (setq gnus-prev-winconf winconf)
7026 (gnus-message 6 "C-c C-c to end edits"))))
7028 (defun gnus-article-edit-done (&optional arg)
7029 "Update the article edits and exit."
7031 (let ((func gnus-article-edit-done-function)
7032 (buf (current-buffer))
7033 (start (window-start))
7035 (winconf gnus-prev-winconf))
7036 (widen) ;; Widen it in case that users narrowed the buffer.
7039 ;; The cache and backlog have to be flushed somewhat.
7040 (when gnus-keep-backlog
7041 (gnus-backlog-remove-article
7042 (car gnus-article-current) (cdr gnus-article-current)))
7043 ;; Flush original article as well.
7044 (when (get-buffer gnus-original-article-buffer)
7045 (with-current-buffer gnus-original-article-buffer
7046 (setq gnus-original-article nil)))
7047 (when gnus-use-cache
7048 (gnus-cache-update-article
7049 (car gnus-article-current) (cdr gnus-article-current)))
7050 ;; We remove all text props from the article buffer.
7051 (kill-all-local-variables)
7052 (set-text-properties (point-min) (point-max) nil)
7054 (set-window-configuration winconf)
7056 (set-window-start (get-buffer-window buf) start)
7057 (set-window-point (get-buffer-window buf) (point)))
7058 (gnus-summary-show-article))
7060 (defun gnus-article-edit-exit ()
7061 "Exit the article editing without updating."
7063 (when (or (not (buffer-modified-p))
7064 (yes-or-no-p "Article modified; kill anyway? "))
7065 (let ((curbuf (current-buffer))
7067 (window-start (window-start)))
7069 (if (gnus-buffer-live-p gnus-original-article-buffer)
7070 (insert-buffer-substring gnus-original-article-buffer))
7071 (let ((winconf gnus-prev-winconf))
7072 (kill-all-local-variables)
7074 (set-window-configuration winconf)
7075 ;; Tippy-toe some to make sure that point remains where it was.
7076 (save-current-buffer
7078 (set-window-start (get-buffer-window (current-buffer)) window-start)
7080 (gnus-summary-show-article)))
7082 (defun gnus-article-edit-full-stops ()
7083 "Interactively repair spacing at end of sentences."
7086 (goto-char (point-min))
7087 (search-forward-regexp "^$" nil t)
7088 (let ((case-fold-search nil))
7089 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
7092 ;;; Article highlights
7095 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
7097 ;;; Internal Variables:
7099 (defcustom gnus-button-url-regexp
7101 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|"
7102 "nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)"
7103 "\\(//[-a-z0-9_.]+:[0-9]*\\)?"
7104 (if (string-match "[[:digit:]]" "1") ;; Support POSIX?
7105 (let ((chars "-a-z0-9_=#$@~%&*+\\/[:word:]")
7109 ;; Match paired parentheses, e.g. in Wikipedia URLs:
7110 ;; http://thread.gmane.org/47B4E3B2.3050402@gmail.com
7111 "[" chars punct "]+" "(" "[" chars punct "]+" "[" chars "]*)" "[" chars "]*"
7113 "[" chars punct "]+" "[" chars "]"
7115 (concat ;; XEmacs 21.4 doesn't support POSIX.
7116 "\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+"
7117 "\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)"))
7119 "Regular expression that matches URLs."
7120 :group 'gnus-article-buttons
7123 (defcustom gnus-button-valid-fqdn-regexp
7124 message-valid-fqdn-regexp
7125 "Regular expression that matches a valid FQDN."
7127 :group 'gnus-article-buttons
7130 ;; Regexp suggested by Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
7131 (defcustom gnus-button-valid-localpart-regexp
7132 "[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t @]*"
7133 "Regular expression that matches a localpart of mail addresses or MIDs."
7135 :group 'gnus-article-buttons
7138 (defcustom gnus-button-man-handler 'manual-entry
7139 "Function to use for displaying man pages.
7140 The function must take at least one argument with a string naming the
7143 :type '(choice (function-item :tag "Man" manual-entry)
7144 (function-item :tag "Woman" woman)
7145 (function :tag "Other"))
7146 :group 'gnus-article-buttons)
7148 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
7149 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
7150 If the default site is too slow, try to find a CTAN mirror, see
7151 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
7152 the variable `gnus-button-handle-ctan'."
7154 :group 'gnus-article-buttons
7155 :link '(custom-manual "(gnus)Group Parameters")
7156 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
7157 (const "http://tug.ctan.org/tex-archive/")
7158 (const "http://www.dante.de/CTAN/")
7159 (string :tag "Other")))
7161 (defcustom gnus-button-ctan-handler 'browse-url
7162 "Function to use for displaying CTAN links.
7163 The function must take one argument, the string naming the URL."
7165 :type '(choice (function-item :tag "Browse Url" browse-url)
7166 (function :tag "Other"))
7167 :group 'gnus-article-buttons)
7169 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
7170 "Bogus strings removed from CTAN URLs."
7172 :group 'gnus-article-buttons
7173 :type '(choice (const "^/?tex-archive/\\|/")
7174 (regexp :tag "Other")))
7176 (defcustom gnus-button-ctan-directory-regexp
7178 (list "archive-tools" "biblio" "bibliography" "digests" "documentation"
7179 "dviware" "fonts" "graphics" "help" "indexing" "info" "language"
7180 "languages" "macros" "nonfree" "obsolete" "support" "systems"
7181 "tds" "tools" "usergrps" "web") t)
7182 "Regular expression for ctan directories.
7183 It should match all directories in the top level of `gnus-ctan-url'."
7185 :group 'gnus-article-buttons
7188 (defcustom gnus-button-mid-or-mail-regexp
7189 (concat "\\b\\(<?" gnus-button-valid-localpart-regexp "@"
7190 gnus-button-valid-fqdn-regexp
7192 "Regular expression that matches a message ID or a mail address."
7194 :group 'gnus-article-buttons
7197 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
7198 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
7199 Strings like this can be either a message ID or a mail address. If it is one
7200 of the symbols `mid' or `mail', Gnus will always assume that the string is a
7201 message ID or a mail address, respectively. If this variable is set to the
7202 symbol `ask', always query the user what do do. If it is a function, this
7203 function will be called with the string as its only argument. The function
7204 must return `mid', `mail', `invalid' or `ask'."
7206 :group 'gnus-article-buttons
7207 :type '(choice (function-item :tag "Heuristic function"
7208 gnus-button-mid-or-mail-heuristic)
7213 (defcustom gnus-button-mid-or-mail-heuristic-alist
7214 '((-10.0 . ".+\\$.+@")
7217 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
7218 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
7219 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
7220 (-1.0 . "^[^a-z]+@")
7222 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
7223 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
7224 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
7225 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
7228 (-1.0 . "^[0-9][0-9]")
7230 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
7231 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
7232 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
7233 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
7235 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
7236 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
7239 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
7241 ;; compensation for TDMA dated mail addresses:
7242 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
7244 (-20.0 . "\\.fsf@") ;; Gnus
7247 (-20.0 . "^alpine\\.")
7248 (-20.0 . "_-_") ;; Subject change in thread
7250 (-20.0 . "\\.ln@") ;; leafnode
7251 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
7252 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
7254 ;; (5.0 . "") ;; $local_part_len <= 7
7255 (10.0 . "^[^0-9]+@")
7256 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
7257 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
7260 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
7262 (0.5 . "^[A-Z][a-z]")
7263 (0.5 . "^[A-Z][a-z][a-z]")
7264 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
7265 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
7266 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
7268 A negative RATE indicates a message IDs, whereas a positive indicates a mail
7269 address. The REGEXP is processed with `case-fold-search' set to nil."
7271 :group 'gnus-article-buttons
7272 :type '(repeat (cons (number :tag "Rate")
7273 (regexp :tag "Regexp"))))
7275 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
7276 "Guess whether MID-OR-MAIL is a message ID or a mail address.
7277 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
7278 address, `ask' if unsure and `invalid' if the string is invalid."
7279 (let ((case-fold-search nil)
7280 (list gnus-button-mid-or-mail-heuristic-alist)
7281 (result 0) rate regexp lpartlen elem)
7283 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
7284 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
7285 ;; Certain special cases...
7288 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
7289 "^[0-9]+\\.[0-9]+@compuserve\\|"
7290 "@public\\.gmane\\.org")
7292 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
7293 (setq result 'mail))
7294 (when (string-match "@.*@\\| " mid-or-mail)
7295 (gnus-message 8 "`%s' is invalid." mid-or-mail)
7296 (setq result 'invalid))
7297 ;; Nothing more to do, if result is not a number here...
7298 (when (numberp result)
7300 (setq elem (car list)
7304 (when (string-match regexp mid-or-mail)
7305 (setq result (+ result rate))
7307 9 "`%s' matched `%s', rate `%s', result `%s'."
7308 mid-or-mail regexp rate result)))
7309 (when (<= lpartlen 7)
7310 (setq result (+ result 5.0))
7311 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
7312 mid-or-mail result))
7313 (when (>= lpartlen 12)
7314 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
7316 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
7317 ;; Long local part should contain realname if e-mail address,
7318 ;; too many digits: message-id.
7319 ;; $score -= 5.0 + 0.1 * $local_part_len;
7320 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
7321 (setq result (+ result rate))
7323 9 "Many digits in `%s', rate `%s', result `%s'."
7324 mid-or-mail rate result))
7325 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
7327 ;; Too few vowels [^aeiouy]{4,}.*\@
7328 (setq result (+ result -5.0))
7330 9 "Few vowels in `%s', rate `%s', result `%s'."
7331 mid-or-mail -5.0 result))
7333 (setq result (+ result 5.0))
7335 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
7336 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
7337 ;; Maybe we should make this a customizable alist: (condition . 'result)
7339 ((symbolp result) result)
7340 ;; Now convert number into proper results:
7341 ((< result -10.0) 'mid)
7342 ((> result 10.0) 'mail)
7345 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
7346 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
7347 (url-mid (concat "news" ":" mid-or-mail))
7348 (url-mailto (concat "mailto" ":" mid-or-mail)))
7349 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
7350 (when (fboundp pref)
7352 ;; get rid of surrounding angles...
7354 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
7355 (if (or (eq 'mid guessed) (eq 'mail guessed))
7359 (save-window-excursion
7360 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
7363 (cond ((eq pref 'mid)
7364 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
7365 (gnus-button-handle-news url-mid))
7367 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
7368 (gnus-url-mailto url-mailto))
7369 (t (gnus-message 3 "Invalid string.")))))
7371 (defun gnus-button-handle-custom (fun arg)
7372 "Call function FUN on argument ARG.
7373 Both FUN and ARG are supposed to be strings. ARG will be passed
7374 as a symbol to FUN."
7375 (funcall (intern fun)
7376 (if (string-match "^customize-apropos" fun)
7380 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
7382 ;; FIXME: Maybe we should merge some of the functions that do quite similar
7385 (defun gnus-button-handle-describe-function (url)
7386 "Call `describe-function' when pushing the corresponding URL button."
7389 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
7391 (defun gnus-button-handle-describe-variable (url)
7392 "Call `describe-variable' when pushing the corresponding URL button."
7395 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
7397 (defun gnus-button-handle-symbol (url)
7398 "Display help on variable or function.
7399 Calls `describe-variable' or `describe-function'."
7400 (let ((sym (intern url)))
7402 ((fboundp sym) (describe-function sym))
7403 ((boundp sym) (describe-variable sym))
7404 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
7406 (defun gnus-button-handle-describe-key (url)
7407 "Call `describe-key' when pushing the corresponding URL button."
7409 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
7410 (keys (ignore-errors (eval `(kbd ,key-string)))))
7413 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
7415 (defun gnus-button-handle-apropos (url)
7416 "Call `apropos' when pushing the corresponding URL button."
7417 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7419 (defun gnus-button-handle-apropos-command (url)
7420 "Call `apropos' when pushing the corresponding URL button."
7422 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7424 (defun gnus-button-handle-apropos-variable (url)
7425 "Call `apropos' when pushing the corresponding URL button."
7427 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
7428 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7430 (defun gnus-button-handle-apropos-documentation (url)
7431 "Call `apropos' when pushing the corresponding URL button."
7433 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
7434 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7436 (defun gnus-button-handle-library (url)
7437 "Call `locate-library' when pushing the corresponding URL button."
7438 (gnus-message 9 "url=`%s'" url)
7439 (let* ((lib (locate-library url))
7440 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
7442 (gnus-message 1 "Cannot locale library `%s'." url)
7443 (find-file-read-only file))))
7445 (defun gnus-button-handle-ctan (url)
7446 "Call `browse-url' when pushing a CTAN URL button."
7448 gnus-button-ctan-handler
7451 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
7453 (defcustom gnus-button-tex-level 5
7454 "*Integer that says how many TeX-related buttons Gnus will show.
7455 The higher the number, the more buttons will appear and the more false
7456 positives are possible. Note that you can set this variable local to
7457 specific groups. Setting it higher in TeX groups is probably a good idea.
7458 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
7459 how to set variables in specific groups."
7461 :group 'gnus-article-buttons
7462 :link '(custom-manual "(gnus)Group Parameters")
7465 (defcustom gnus-button-man-level 5
7466 "*Integer that says how many man-related buttons Gnus will show.
7467 The higher the number, the more buttons will appear and the more false
7468 positives are possible. Note that you can set this variable local to
7469 specific groups. Setting it higher in Unix groups is probably a good idea.
7470 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
7471 how to set variables in specific groups."
7473 :group 'gnus-article-buttons
7474 :link '(custom-manual "(gnus)Group Parameters")
7477 (defcustom gnus-button-emacs-level 5
7478 "*Integer that says how many emacs-related buttons Gnus will show.
7479 The higher the number, the more buttons will appear and the more false
7480 positives are possible. Note that you can set this variable local to
7481 specific groups. Setting it higher in Emacs or Gnus related groups is
7482 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
7483 `gnus-parameters' on how to set variables in specific groups."
7485 :group 'gnus-article-buttons
7486 :link '(custom-manual "(gnus)Group Parameters")
7489 (defcustom gnus-button-message-level 5
7490 "*Integer that says how many buttons for news or mail messages will appear.
7491 The higher the number, the more buttons will appear and the more false
7492 positives are possible."
7493 ;; mail addresses, MIDs, URLs for news, ...
7495 :group 'gnus-article-buttons
7498 (defcustom gnus-button-browse-level 5
7499 "*Integer that says how many buttons for browsing will appear.
7500 The higher the number, the more buttons will appear and the more false
7501 positives are possible."
7502 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
7504 :group 'gnus-article-buttons
7507 (defcustom gnus-button-alist
7508 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
7509 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
7510 ((concat "\\b\\(nntp\\|news\\):\\("
7511 gnus-button-valid-localpart-regexp "@[a-z0-9.-]+[a-z]\\)")
7512 0 t gnus-button-handle-news 2)
7513 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
7514 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
7515 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
7516 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
7517 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
7518 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
7519 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
7520 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
7521 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
7522 ("\\b\\(mid\\|message-id\\):? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
7523 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
7524 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
7525 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
7526 ;; RFC 2368 (The mailto URL scheme)
7527 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
7528 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
7529 ("\\bmailto:\\([^ \n\t]+\\)"
7530 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
7532 ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\("
7533 gnus-button-ctan-directory-regexp
7534 "[^][>)!;:,'\n\t ]+\\)")
7535 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
7536 ((concat "\\btex-archive/\\("
7537 gnus-button-ctan-directory-regexp
7538 "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
7539 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
7542 gnus-button-ctan-directory-regexp
7543 "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
7544 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
7545 ;; Info Konqueror style <info:/foo/bar baz>.
7546 ;; Must come before " Gnus home-grown style".
7547 ("\\binfo://?\\([^'\">\n\t]+\\)"
7548 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
7549 ;; Info, Gnus home-grown style (deprecated) <info://foo/bar+baz>
7550 ("\\binfo://\\([^'\">\n\t ]+\\)"
7551 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
7552 ;; Info GNOME style <info:foo#bar_baz>
7553 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
7554 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
7555 ;; Info KDE style <info:(foo)bar baz>
7556 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
7557 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
7558 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
7559 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
7560 ("\\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,]*\\)\\)?"
7561 ;; Info links like `C-h i d m Gnus RET' or `C-h i d m Gnus RET i partial RET'
7562 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 0)
7564 ("M-x[ \t\n]\\(customize-[^ ]+\\)[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
7565 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1 2)
7566 ;; Emacs help commands
7567 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7568 ;; regexp doesn't match arguments containing ` '.
7569 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
7570 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7571 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
7572 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7573 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
7574 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7575 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
7576 ;; The following entries may lead to many false positives so don't enable
7577 ;; them by default (use a high button level).
7578 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>[^.?]"
7579 ;; Exclude [.?] for URLs in gmane.emacs.cvs
7580 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
7581 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
7582 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
7583 ("`\\([a-z][a-z0-9]+-[a-z0-9]+-[-a-z0-9]*[a-z]\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
7584 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
7585 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
7586 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
7587 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
7588 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
7589 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7590 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
7591 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7592 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
7593 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7594 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
7595 ("`\\(\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
7596 ;; Unlike the other regexps we really have to require quoting
7597 ;; here to determine where it ends.
7598 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
7599 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
7600 ("<URL: *\\([^\n<>]*\\)>"
7601 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
7602 ;; RFC 2396 (2.4.3., delims) ...
7603 ("\"URL: *\\([^\n\"]*\\)\""
7604 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
7606 (gnus-button-url-regexp
7607 0 (>= gnus-button-browse-level 0) browse-url 0)
7609 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
7610 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
7611 gnus-button-handle-man 1)
7612 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
7613 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
7614 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
7615 gnus-button-handle-man 1)
7616 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
7617 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
7618 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W"
7619 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
7620 ;; Recognizing patches to .el files. This is somewhat obscure,
7621 ;; but considering the percentage of Gnus users who hack Emacs
7623 ("^--- \\([^ .]+\\.el\\).*\n.*\n@@ -?\\([0-9]+\\)" 1
7624 (>= gnus-button-message-level 4) gnus-button-patch 1 2)
7625 ("^\\*\\*\\* \\([^ .]+\\.el\\).*\n.*\n\\*+\n\\*\\*\\* \\([0-9]+\\)" 1
7626 (>= gnus-button-message-level 4) gnus-button-patch 1 2)
7627 ;; MID or mail: To avoid too many false positives we don't try to catch
7628 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
7629 ;; at least one dot. TLD must contain two or three chars or be a know TLD
7630 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
7631 ;; so that non-ambiguous entries (see above) match first.
7632 (gnus-button-mid-or-mail-regexp
7633 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
7634 "*Alist of regexps matching buttons in article bodies.
7636 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
7637 REGEXP: is the string (case insensitive) matching text around the button (can
7638 also be Lisp expression evaluating to a string),
7639 BUTTON: is the number of the regexp grouping actually matching the button,
7640 FORM: is a Lisp expression which must eval to true for the button to
7642 CALLBACK: is the function to call when the user push this button, and each
7643 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
7645 CALLBACK can also be a variable, in that case the value of that
7646 variable it the real callback function."
7647 :group 'gnus-article-buttons
7648 :type '(repeat (list (choice regexp variable sexp)
7649 (integer :tag "Button")
7651 (function :tag "Callback")
7654 (integer :tag "Regexp group")))))
7655 (put 'gnus-button-alist 'risky-local-variable t)
7657 (defcustom gnus-header-button-alist
7658 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
7659 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
7660 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
7661 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
7662 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
7663 0 (>= gnus-button-message-level 0) gnus-msg-mail 0)
7664 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
7665 0 (>= gnus-button-browse-level 0) browse-url 0)
7666 ("^Subject:" gnus-button-url-regexp
7667 0 (>= gnus-button-browse-level 0) browse-url 0)
7668 ("^[^:]+:" gnus-button-url-regexp
7669 0 (>= gnus-button-browse-level 0) browse-url 0)
7670 ("^OpenPGP:.*url=" gnus-button-url-regexp
7671 0 (>= gnus-button-browse-level 0) gnus-button-openpgp 0)
7672 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
7673 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
7674 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
7675 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
7676 "*Alist of headers and regexps to match buttons in article heads.
7678 This alist is very similar to `gnus-button-alist', except that each
7679 alist has an additional HEADER element first in each entry:
7681 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
7683 HEADER is a regexp to match a header. For a fuller explanation, see
7684 `gnus-button-alist'."
7685 :group 'gnus-article-buttons
7686 :group 'gnus-article-headers
7687 :type '(repeat (list (regexp :tag "Header")
7688 (choice regexp variable)
7689 (integer :tag "Button")
7691 (function :tag "Callback")
7694 (integer :tag "Regexp group")))))
7695 (put 'gnus-header-button-alist 'risky-local-variable t)
7699 (defun gnus-article-push-button (event)
7700 "Check text under the mouse pointer for a callback function.
7701 If the text under the mouse pointer has a `gnus-callback' property,
7702 call it with the value of the `gnus-data' text property."
7704 (set-buffer (window-buffer (posn-window (event-start event))))
7705 (let* ((pos (posn-point (event-start event)))
7706 (data (get-text-property pos 'gnus-data))
7707 (fun (get-text-property pos 'gnus-callback)))
7710 (funcall fun data))))
7712 (defun gnus-article-press-button ()
7713 "Check text at point for a callback function.
7714 If the text at point has a `gnus-callback' property,
7715 call it with the value of the `gnus-data' text property."
7717 (let ((data (get-text-property (point) 'gnus-data))
7718 (fun (get-text-property (point) 'gnus-callback)))
7720 (funcall fun data))))
7722 (defun gnus-article-highlight (&optional force)
7723 "Highlight current article.
7724 This function calls `gnus-article-highlight-headers',
7725 `gnus-article-highlight-citation',
7726 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
7727 do the highlighting. See the documentation for those functions."
7728 (interactive (list 'force))
7729 (gnus-article-highlight-headers)
7730 (gnus-article-highlight-citation force)
7731 (gnus-article-highlight-signature)
7732 (gnus-article-add-buttons force)
7733 (gnus-article-add-buttons-to-head))
7735 (defun gnus-article-highlight-some (&optional force)
7736 "Highlight current article.
7737 This function calls `gnus-article-highlight-headers',
7738 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
7739 do the highlighting. See the documentation for those functions."
7740 (interactive (list 'force))
7741 (gnus-article-highlight-headers)
7742 (gnus-article-highlight-signature)
7743 (gnus-article-add-buttons))
7745 (defun gnus-article-highlight-headers ()
7746 "Highlight article headers as specified by `gnus-header-face-alist'."
7748 (gnus-with-article-headers
7749 (let (regexp header-face field-face from hpoints fpoints)
7750 (dolist (entry gnus-header-face-alist)
7751 (goto-char (point-min))
7752 (setq regexp (concat "^\\("
7753 (if (string-equal "" (nth 0 entry))
7757 header-face (nth 1 entry)
7758 field-face (nth 2 entry))
7759 (while (and (re-search-forward regexp nil t)
7763 (unless (search-forward ":" nil t)
7765 (when (and header-face
7766 (not (memq (point) hpoints)))
7767 (push (point) hpoints)
7768 (gnus-put-text-property from (point) 'face header-face))
7769 (when (and field-face
7770 (not (memq (setq from (point)) fpoints)))
7772 (if (re-search-forward "^[^ \t]" nil t)
7774 (goto-char (point-max)))
7775 (gnus-put-text-property from (point) 'face field-face)))))))
7777 (defun gnus-article-highlight-signature ()
7778 "Highlight the signature in an article.
7779 It does this by highlighting everything after
7780 `gnus-signature-separator' using the face `gnus-signature'."
7782 (gnus-with-article-buffer
7783 (let ((inhibit-point-motion-hooks t))
7785 (when (and gnus-signature-face
7786 (gnus-article-narrow-to-signature))
7787 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max) nil t)
7788 'face gnus-signature-face)
7790 (gnus-article-search-signature)
7791 (let ((start (match-beginning 0))
7792 (end (set-marker (make-marker) (1+ (match-end 0)))))
7793 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
7796 (defun gnus-button-in-region-p (b e prop)
7797 "Say whether PROP exists in the region."
7798 (text-property-not-all b e prop nil))
7800 (defun gnus-article-add-buttons (&optional force)
7801 "Find external references in the article and make buttons of them.
7802 \"External references\" are things like Message-IDs and URLs, as
7803 specified by `gnus-button-alist'."
7804 (interactive (list 'force))
7805 (gnus-with-article-buffer
7806 (let ((inhibit-point-motion-hooks t)
7807 (case-fold-search t)
7808 (alist gnus-button-alist)
7810 ;; Remove all old markers.
7811 (let (marker entry new-list)
7812 (while (setq marker (pop gnus-button-marker-list))
7813 (if (or (< marker (point-min)) (>= marker (point-max)))
7814 (push marker new-list)
7816 (when (setq entry (gnus-button-entry))
7817 (put-text-property (match-beginning (nth 1 entry))
7818 (match-end (nth 1 entry))
7819 'gnus-callback nil))
7820 (set-marker marker nil)))
7821 (setq gnus-button-marker-list new-list))
7822 ;; We skip the headers.
7825 (while (setq entry (pop alist))
7826 (setq regexp (eval (car entry)))
7828 (while (re-search-forward regexp nil t)
7829 (let ((start (match-beginning (nth 1 entry)))
7830 (end (match-end (nth 1 entry)))
7831 (from (match-beginning 0)))
7832 (when (and (or (eq t (nth 2 entry))
7833 (eval (nth 2 entry)))
7834 (not (gnus-button-in-region-p
7835 start end 'gnus-callback)))
7836 ;; That optional form returned non-nil, so we add the
7838 (setq from (set-marker (make-marker) from))
7839 (push from gnus-button-marker-list)
7840 (unless (and (eq (car entry) 'gnus-button-url-regexp)
7841 (gnus-article-extend-url-button from start end))
7842 (gnus-article-add-button start end
7843 'gnus-button-push from)
7844 (gnus-put-text-property
7846 'gnus-string (buffer-substring-no-properties
7849 (defun gnus-article-extend-url-button (beg start end)
7850 "Extend url button if url is folded into two or more lines.
7851 Return non-nil if button is extended. BEG is a marker that points to
7852 the beginning position of a text containing url. START and END are
7853 the endpoints of a url button before it is extended. The concatenated
7854 url is put as the `gnus-button-url' overlay property on the button."
7855 (let ((opoint (point))
7856 (points (list start end))
7861 (not (looking-at "[\t ]*[\">]")))
7865 "\\(?:\"\\|\\(<\\)\\)[\t ]*\\(?:url[\t ]*:[\t ]*\\)?\\'"
7866 (buffer-substring (point-at-bol) start)))
7868 (setq url (list (buffer-substring start end))
7869 delim (if (match-beginning 1) ">" "\""))
7871 (setq regexp (concat
7872 (when (and (looking-at
7873 message-cite-prefix-regexp)
7874 (< (match-end 0) start))
7875 (regexp-quote (match-string 0)))
7877 \[\t ]*\\(?:\\([^\t\n \">]+\\)[\t ]*$\\|\\([^\t\n \">]*\\)[\t ]*"
7881 (and (looking-at regexp)
7884 (push (or (match-string 2)
7887 (push (setq end (or (match-end 2)
7890 (push (or (match-beginning 2)
7891 (match-beginning 1))
7893 (match-beginning 2)))
7894 (let (gnus-article-mouse-face widget-mouse-face)
7896 (gnus-article-add-button (pop points) (pop points)
7897 'gnus-button-push beg)))
7898 (let ((overlay (gnus-make-overlay start end)))
7899 (gnus-overlay-put overlay 'evaporate t)
7900 (gnus-overlay-put overlay 'gnus-button-url
7901 (list (mapconcat 'identity (nreverse url) "")))
7902 (when gnus-article-mouse-face
7903 (gnus-overlay-put overlay 'mouse-face gnus-article-mouse-face)))
7905 (goto-char opoint))))
7907 ;; Add buttons to the head of an article.
7908 (defun gnus-article-add-buttons-to-head ()
7909 "Add buttons to the head of the article."
7911 (gnus-with-article-headers
7913 (dolist (entry gnus-header-button-alist)
7914 ;; Each alist entry.
7915 (goto-char (point-min))
7916 (while (re-search-forward (car entry) nil t)
7917 ;; Each header matching the entry.
7918 (setq beg (match-beginning 0))
7919 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
7920 (match-beginning 0))
7923 (while (re-search-forward (eval (nth 1 entry)) end t)
7924 ;; Each match within a header.
7925 (let* ((entry (cdr entry))
7926 (start (match-beginning (nth 1 entry)))
7927 (end (match-end (nth 1 entry)))
7928 (form (nth 2 entry)))
7929 (goto-char (match-end 0))
7931 (gnus-article-add-button
7932 start end (nth 3 entry)
7933 (buffer-substring (match-beginning (nth 4 entry))
7934 (match-end (nth 4 entry)))))))
7935 (goto-char end))))))
7937 ;;; External functions:
7939 (defun gnus-article-add-button (from to fun &optional data text)
7940 "Create a button between FROM and TO with callback FUN and data DATA."
7941 (when gnus-article-button-face
7942 (gnus-overlay-put (gnus-make-overlay from to nil t)
7943 'face gnus-article-button-face))
7944 (gnus-add-text-properties
7946 (nconc (and gnus-article-mouse-face
7947 (list gnus-mouse-face-prop gnus-article-mouse-face))
7948 (list 'gnus-callback fun)
7949 (and data (list 'gnus-data data))))
7950 (widget-convert-button 'link from to :action 'gnus-widget-press-button
7951 :help-echo (or text "Follow the link")
7952 :keymap gnus-url-button-map
7953 :button-keymap gnus-widget-button-keymap))
7955 (defun gnus-article-copy-string ()
7956 "Copy the string in the button to the kill ring."
7958 (gnus-article-check-buffer)
7959 (let ((data (get-text-property (point) 'gnus-string)))
7963 (copy-region-as-kill (point-min) (point-max))
7964 (message "Copied %s" data)))))
7966 ;;; Internal functions:
7968 (defun gnus-article-set-globals ()
7969 (with-current-buffer gnus-summary-buffer
7970 (gnus-set-global-variables)))
7972 (defun gnus-signature-toggle (end)
7973 (gnus-with-article-buffer
7974 (let ((inhibit-point-motion-hooks t))
7975 (if (text-property-any end (point-max) 'article-type 'signature)
7977 (gnus-delete-wash-type 'signature)
7978 (gnus-remove-text-properties-when
7979 'article-type 'signature end (point-max)
7980 (cons 'article-type (cons 'signature
7981 gnus-hidden-properties))))
7982 (gnus-add-wash-type 'signature)
7983 (gnus-add-text-properties-when
7984 'article-type nil end (point-max)
7985 (cons 'article-type (cons 'signature
7986 gnus-hidden-properties)))))
7987 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
7988 (gnus-set-mode-line 'article))))
7990 (defun gnus-button-entry ()
7991 ;; Return the first entry in `gnus-button-alist' matching this place.
7992 (let ((alist gnus-button-alist)
7995 (setq entry (pop alist))
7996 (if (looking-at (eval (car entry)))
8001 (defun gnus-button-push (marker)
8002 ;; Push button starting at MARKER.
8005 (let* ((entry (gnus-button-entry))
8006 (inhibit-point-motion-hooks t)
8008 (args (or (and (eq (car entry) 'gnus-button-url-regexp)
8009 (get-char-property marker 'gnus-button-url))
8010 (mapcar (lambda (group)
8011 (let ((string (match-string group)))
8012 (set-text-properties
8013 0 (length string) nil string)
8015 (nthcdr 4 entry)))))
8020 (fboundp (symbol-value fun)))
8021 (apply (symbol-value fun) args))
8023 (gnus-message 1 "You must define `%S' to use this button"
8024 (cons fun args)))))))
8026 (defun gnus-parse-news-url (url)
8027 (let (scheme server port group message-id articles)
8030 (goto-char (point-min))
8031 (when (looking-at "\\([A-Za-z]+\\):")
8032 (setq scheme (match-string 1))
8033 (goto-char (match-end 0)))
8034 (when (looking-at "//\\([^:/]+\\)\\(:?\\)\\([0-9]+\\)?/")
8035 (setq server (match-string 1))
8036 (setq port (if (stringp (match-string 3))
8037 (string-to-number (match-string 3))
8039 (goto-char (match-end 0)))
8042 ((looking-at "\\(.*@.*\\)")
8043 (setq message-id (match-string 1)))
8044 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
8045 (setq group (match-string 1)
8046 articles (split-string (match-string 2) "-")))
8047 ((looking-at "\\([^/]+\\)/?")
8048 (setq group (match-string 1)))
8050 (error "Unknown news URL syntax"))))
8051 (list scheme server port group message-id articles)))
8053 (defun gnus-button-handle-news (url)
8055 (destructuring-bind (scheme server port group message-id articles)
8056 (gnus-parse-news-url url)
8059 (with-current-buffer gnus-summary-buffer
8061 (let ((gnus-refer-article-method
8062 (nconc (list (list 'nntp server))
8063 gnus-refer-article-method))
8064 (nntp-port-number (or port "nntp")))
8065 (gnus-message 7 "Fetching %s with %s"
8066 message-id gnus-refer-article-method)
8067 (gnus-summary-refer-article message-id))
8068 (gnus-summary-refer-article message-id))))
8070 (gnus-button-fetch-group url)))))
8072 (defun gnus-button-patch (library line)
8073 "Visit an Emacs Lisp library LIBRARY on line LINE."
8075 (let ((file (locate-library (file-name-nondirectory library))))
8077 (error "Couldn't find library %s" library))
8079 (goto-char (point-min))
8080 (forward-line (1- (string-to-number line)))))
8082 (defun gnus-button-handle-man (url)
8084 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
8085 (when (eq gnus-button-man-handler 'woman)
8086 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
8087 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
8088 (funcall gnus-button-man-handler url))
8090 (defun gnus-button-handle-info-url (url)
8091 "Fetch an info URL."
8092 (setq url (mm-subst-char-in-string ?+ ?\ url))
8094 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
8095 (gnus-info-find-node
8096 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
8098 ")" (gnus-url-unhex-string (match-string 2 url)))))
8099 ((string-match "([^)\"]+)[^\"]+" url)
8101 (gnus-replace-in-string
8102 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
8103 (gnus-info-find-node url))
8104 (t (error "Can't parse %s" url))))
8106 (defun gnus-button-handle-info-url-gnome (url)
8107 "Fetch GNOME style info URL."
8108 (setq url (mm-subst-char-in-string ?_ ?\ url))
8109 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
8110 (gnus-info-find-node
8112 (gnus-url-unhex-string
8113 (match-string 1 url))
8115 (or (gnus-url-unhex-string
8116 (match-string 2 url))
8118 (error "Can't parse %s" url)))
8120 (defun gnus-button-handle-info-url-kde (url)
8121 "Fetch KDE style info URL."
8122 (gnus-info-find-node (gnus-url-unhex-string url)))
8124 ;; (info) will autoload info.el
8125 (declare-function Info-menu "info" (menu-item &optional fork))
8126 (declare-function Info-index-next "info" (num))
8128 (defun gnus-button-handle-info-keystrokes (url)
8129 "Call `info' when pushing the corresponding URL button."
8130 ;; For links like `C-h i d m gnus RET part RET , ,', `C-h i d m CC Mode RET'.
8131 (let (node indx comma)
8133 (concat "\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+"
8134 "\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
8135 "\\([ \t\n]+i[ \t\n]+[^ ]+ ?[^ ]+[ \t\n]+RET"
8136 "\\(?:[ \t\n,]*\\)\\)?")
8138 (setq node (match-string 2 url)
8139 indx (match-string 3 url))
8140 (error "Can't parse %s" url))
8144 (when (> (length indx) 0)
8145 (string-match (concat "[ \t\n]+i[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
8148 (setq comma (match-string 2 indx))
8149 (setq indx (match-string 1 indx))
8152 (dotimes (i (with-temp-buffer
8154 ;; Note: the XEmacs version of `how-many' takes
8155 ;; no optional argument.
8156 (goto-char (point-min))
8158 (Info-index-next 1)))
8161 ;; Called after pgg-snarf-keys-region, which autoloads pgg.el.
8162 (declare-function pgg-display-output-buffer "pgg" (start end status))
8164 (defun gnus-button-openpgp (url)
8165 "Retrieve and add an OpenPGP key given URL from an OpenPGP header."
8167 (mm-url-insert-file-contents-external url)
8168 (pgg-snarf-keys-region (point-min) (point-max))
8169 (pgg-display-output-buffer nil nil nil)))
8171 (defun gnus-button-message-id (message-id)
8173 (with-current-buffer gnus-summary-buffer
8174 (gnus-summary-refer-article message-id)))
8176 (defun gnus-button-fetch-group (address &rest ignore)
8177 "Fetch GROUP specified by ADDRESS."
8178 (when (string-match "\\`\\(nntp\\|news\\):\\(//\\)?\\(.*\\)\\'"
8180 ;; Allow to use `gnus-button-fetch-group' in `browse-url-browser-function'
8181 ;; for nntp:// and news://
8182 (setq address (match-string 3 address)))
8183 (if (not (string-match "[:/]" address))
8184 ;; This is just a simple group url.
8185 (gnus-group-read-ephemeral-group address gnus-select-method)
8188 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
8190 (error "Can't parse %s" address)
8191 (gnus-group-read-ephemeral-group
8192 (match-string 4 address)
8193 `(nntp ,(match-string 1 address)
8194 (nntp-address ,(match-string 1 address))
8195 (nntp-port-number ,(if (match-end 3)
8196 (match-string 3 address)
8199 (and (match-end 6) (list (string-to-number (match-string 6 address))))))))
8201 (defun gnus-url-parse-query-string (query &optional downcase)
8202 (let (retval pairs cur key val)
8203 (setq pairs (split-string query "&"))
8205 (setq cur (car pairs)
8207 (if (not (string-match "=" cur))
8209 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
8210 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
8212 (setq key (downcase key)))
8213 (setq cur (assoc key retval))
8215 (setcdr cur (cons val (cdr cur)))
8216 (setq retval (cons (list key val) retval)))))
8219 (defun gnus-url-mailto (url)
8220 ;; Send mail to someone
8221 (when (string-match "mailto:/*\\(.*\\)" url)
8222 (setq url (substring url (match-beginning 1) nil)))
8223 (let (to args subject func)
8224 (setq args (gnus-url-parse-query-string
8225 (if (string-match "^\\?" url)
8227 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
8228 (concat "to=" (match-string 1 url) "&"
8229 (match-string 2 url))
8230 (concat "to=" url)))
8232 subject (cdr-safe (assoc "subject" args)))
8235 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
8238 (message-position-on-field (caar args)))
8239 (insert (gnus-replace-in-string
8240 (mapconcat 'identity (reverse (cdar args)) ", ")
8242 (setq args (cdr args)))
8245 (message-goto-subject))))
8247 (defun gnus-button-embedded-url (address)
8248 "Activate ADDRESS with `browse-url'."
8249 (browse-url (gnus-strip-whitespace address)))
8251 ;;; Next/prev buttons in the article buffer.
8253 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
8254 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
8256 (defvar gnus-prev-page-map
8257 (let ((map (make-sparse-keymap)))
8258 (define-key map gnus-mouse-2 'gnus-button-prev-page)
8259 (define-key map "\r" 'gnus-button-prev-page)
8262 (defvar gnus-next-page-map
8263 (let ((map (make-sparse-keymap)))
8264 (unless (>= emacs-major-version 21)
8265 ;; XEmacs doesn't care.
8266 (set-keymap-parent map gnus-article-mode-map))
8267 (define-key map gnus-mouse-2 'gnus-button-next-page)
8268 (define-key map "\r" 'gnus-button-next-page)
8271 (defun gnus-insert-prev-page-button ()
8273 (inhibit-read-only t))
8275 gnus-prev-page-line-format nil
8276 `(keymap ,gnus-prev-page-map
8278 gnus-callback gnus-article-button-prev-page
8279 article-type annotation))
8281 ;; Exclude a newline.
8284 (when gnus-article-button-face
8285 (gnus-overlay-put (gnus-make-overlay b e nil t)
8286 'face gnus-article-button-face))
8287 (widget-convert-button
8289 :action 'gnus-button-prev-page
8290 :button-keymap gnus-prev-page-map)))
8292 (defun gnus-button-next-page (&optional args more-args)
8293 "Go to the next page."
8295 (let ((win (selected-window)))
8296 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8297 (gnus-article-next-page)
8298 (select-window win)))
8300 (defun gnus-button-prev-page (&optional args more-args)
8301 "Go to the prev page."
8303 (let ((win (selected-window)))
8304 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8305 (gnus-article-prev-page)
8306 (select-window win)))
8308 (defun gnus-insert-next-page-button ()
8310 (inhibit-read-only t))
8311 (gnus-eval-format gnus-next-page-line-format nil
8312 `(keymap ,gnus-next-page-map
8314 gnus-callback gnus-article-button-next-page
8315 article-type annotation))
8317 ;; Exclude a newline.
8320 (when gnus-article-button-face
8321 (gnus-overlay-put (gnus-make-overlay b e nil t)
8322 'face gnus-article-button-face))
8323 (widget-convert-button
8325 :action 'gnus-button-next-page
8326 :button-keymap gnus-next-page-map)))
8328 (defun gnus-article-button-next-page (arg)
8329 "Go to the next page."
8331 (let ((win (selected-window)))
8332 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8333 (gnus-article-next-page)
8334 (select-window win)))
8336 (defun gnus-article-button-prev-page (arg)
8337 "Go to the prev page."
8339 (let ((win (selected-window)))
8340 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8341 (gnus-article-prev-page)
8342 (select-window win)))
8344 (defvar gnus-decode-header-methods
8345 '(mail-decode-encoded-word-region)
8346 "List of methods used to decode headers.
8348 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
8349 is FUNCTION, FUNCTION will be applied to all newsgroups. If item is a
8350 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
8351 whose names match REGEXP.
8354 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
8355 mail-decode-encoded-word-region
8356 (\"chinese\" . rfc1843-decode-region))
8359 (defvar gnus-decode-header-methods-cache nil)
8361 (defun gnus-multi-decode-header (start end)
8362 "Apply the functions from `gnus-encoded-word-methods' that match."
8363 (unless (and gnus-decode-header-methods-cache
8364 (eq gnus-newsgroup-name
8365 (car gnus-decode-header-methods-cache)))
8366 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
8367 (dolist (x gnus-decode-header-methods)
8369 (nconc gnus-decode-header-methods-cache (list x))
8370 (if (and gnus-newsgroup-name
8371 (string-match (car x) gnus-newsgroup-name))
8372 (nconc gnus-decode-header-methods-cache
8374 (let ((xlist gnus-decode-header-methods-cache))
8377 (narrow-to-region start end)
8379 (funcall (pop xlist) (point-min) (point-max))))))
8382 ;;; Treatment top-level handling.
8385 (defun gnus-treat-article (condition &optional part-number total-parts type)
8386 (let ((length (- (point-max) (point-min)))
8387 (alist gnus-treatment-function-alist)
8388 (article-goto-body-goes-to-point-min-p t)
8392 (let ((list gnus-article-treat-types))
8394 (when (string-match (pop list) type)
8395 (throw 'found t)))))))
8396 (highlightp (gnus-visual-p 'article-highlight 'highlight))
8398 (gnus-run-hooks 'gnus-part-display-hook)
8399 (dolist (elem alist)
8402 (when (gnus-buffer-live-p gnus-summary-buffer)
8403 (set-buffer gnus-summary-buffer))
8404 (symbol-value (car elem))))
8405 (when (and (or (consp val)
8407 (gnus-treat-predicate val)
8408 (or (not (get (car elem) 'highlight))
8411 (funcall (cadr elem)))))))
8413 ;; Dynamic variables.
8414 (defvar part-number)
8415 (defvar total-parts)
8420 (defun gnus-treat-predicate (val)
8427 (stringp (car val)))
8428 (apply 'gnus-or (mapcar `(lambda (s)
8429 (string-match s ,(or gnus-newsgroup-name "")))
8432 (let ((pred (pop val)))
8435 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
8437 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
8439 (not (gnus-treat-predicate (car val))))
8441 (equal (car val) type))
8443 (error "%S is not a valid predicate" pred)))))
8451 (eq part-number total-parts))
8455 (error "%S is not a valid value" val))))
8457 (defun gnus-article-encrypt-body (protocol &optional n)
8458 "Encrypt the article body."
8461 (or gnus-article-encrypt-protocol
8462 (completing-read "Encrypt protocol: "
8463 gnus-article-encrypt-protocol-alist
8465 current-prefix-arg))
8466 ;; User might hit `K E' instead of `K e', so prompt once.
8467 (when (and gnus-article-encrypt-protocol
8469 (unless (gnus-y-or-n-p "Really encrypt article(s)? ")
8470 (error "Encrypt aborted")))
8471 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
8473 (error "Can't find the encrypt protocol %s" protocol))
8474 (if (member gnus-newsgroup-name '("nndraft:delayed"
8477 (error "Can't encrypt the article in group %s"
8478 gnus-newsgroup-name))
8479 (gnus-summary-iterate n
8480 (with-current-buffer gnus-summary-buffer
8481 (let ((mail-parse-charset gnus-newsgroup-charset)
8482 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
8483 (summary-buffer gnus-summary-buffer)
8485 (gnus-set-global-variables)
8486 (when (gnus-group-read-only-p)
8487 (error "The current newsgroup does not support article encrypt"))
8488 (gnus-summary-show-article t)
8490 (or (mail-header-references gnus-current-headers) ""))
8491 (set-buffer gnus-article-buffer)
8492 (let* ((inhibit-read-only t)
8494 (mapcar (lambda (field)
8495 (and (save-restriction
8496 (message-narrow-to-head)
8497 (goto-char (point-min))
8498 (search-forward field nil t))
8500 (message-narrow-to-field)
8502 (delete-region (point-min) (point-max))
8504 '("Content-Type:" "Content-Transfer-Encoding:"
8505 "Content-Disposition:"))))
8506 (message-narrow-to-head)
8507 (message-remove-header "MIME-Version")
8508 (goto-char (point-max))
8509 (setq point (point))
8510 (insert (apply 'concat headers))
8512 (narrow-to-region point (point-max))
8513 (let ((message-options message-options))
8514 (message-options-set 'message-sender user-mail-address)
8515 (message-options-set 'message-recipients user-mail-address)
8516 (message-options-set 'message-sign-encrypt 'not)
8518 (goto-char (point-min))
8519 (insert "MIME-Version: 1.0\n")
8521 (gnus-summary-edit-article-done
8522 references nil summary-buffer t))
8523 (when gnus-keep-backlog
8524 (gnus-backlog-remove-article
8525 (car gnus-article-current) (cdr gnus-article-current)))
8526 (when (get-buffer gnus-original-article-buffer)
8527 (with-current-buffer gnus-original-article-buffer
8528 (setq gnus-original-article nil)))
8529 (when gnus-use-cache
8530 (gnus-cache-update-article
8531 (car gnus-article-current) (cdr gnus-article-current))))))))
8533 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
8534 "The following specs can be used:
8535 %t The security MIME type
8538 %D Details if button is pressed")
8540 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
8541 "The following specs can be used:
8542 %t The security MIME type
8545 %D Details if button is pressed")
8547 (defvar gnus-mime-security-button-line-format-alist
8548 '((?t gnus-tmp-type ?s)
8549 (?i gnus-tmp-info ?s)
8550 (?d gnus-tmp-details ?s)
8551 (?D gnus-tmp-pressed-details ?s)))
8553 (defvar gnus-mime-security-button-commands
8554 '((gnus-article-press-button "\r" "Show Detail")
8558 (gnus-mime-security-save-part "o" "Save...")
8567 (gnus-mime-security-pipe-part "|" "Pipe To Command...")
8570 (defvar gnus-mime-security-button-map
8571 (let ((map (make-sparse-keymap)))
8572 (define-key map gnus-mouse-2 'gnus-article-push-button)
8573 (define-key map gnus-down-mouse-3 'gnus-mime-security-button-menu)
8574 (dolist (c gnus-mime-security-button-commands)
8575 (define-key map (cadr c) (car c)))
8579 gnus-mime-security-button-menu gnus-mime-security-button-map
8580 "Security button menu."
8584 (unless (eq (car c) 'undefined)
8585 (vector (caddr c) (car c) :active t)))
8586 gnus-mime-security-button-commands))))
8588 (defun gnus-mime-security-button-menu (event prefix)
8589 "Construct a context-sensitive menu of security commands."
8590 (interactive "e\nP")
8591 (save-window-excursion
8592 (let ((pos (event-start event)))
8593 (select-window (posn-window pos))
8594 (goto-char (posn-point pos))
8595 (gnus-article-check-buffer)
8596 (popup-menu gnus-mime-security-button-menu nil prefix))))
8598 (defvar gnus-mime-security-details-buffer nil)
8600 (defvar gnus-mime-security-button-pressed nil)
8602 (defvar gnus-mime-security-show-details-inline t
8603 "If non-nil, show details in the article buffer.")
8605 (defun gnus-mime-security-verify-or-decrypt (handle)
8606 (mm-remove-parts (cdr handle))
8607 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
8608 point (inhibit-read-only t))
8610 (goto-char (car region)))
8611 (setq point (point))
8612 (with-current-buffer (mm-handle-multipart-original-buffer handle)
8613 (let* ((mm-verify-option 'known)
8614 (mm-decrypt-option 'known)
8615 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
8616 (unless (eq nparts (cdr handle))
8617 (mm-destroy-parts (cdr handle))
8618 (setcdr handle nparts))))
8619 (gnus-mime-display-security handle)
8621 (delete-region (point) (cdr region))
8622 (set-marker (car region) nil)
8623 (set-marker (cdr region) nil))
8626 (defun gnus-mime-security-show-details (handle)
8627 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
8629 (gnus-message 5 "No details.")
8630 (if gnus-mime-security-show-details-inline
8631 (let ((gnus-mime-security-button-pressed
8632 (not (get-text-property (point) 'gnus-mime-details)))
8633 (gnus-mime-security-button-line-format
8634 (get-text-property (point) 'gnus-line-format))
8635 (inhibit-read-only t))
8637 (while (eq (get-text-property (point) 'gnus-line-format)
8638 gnus-mime-security-button-line-format)
8642 (narrow-to-region (point) (point))
8643 (gnus-insert-mime-security-button handle))
8644 (delete-region (point)
8645 (or (text-property-not-all
8648 gnus-mime-security-button-line-format)
8651 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
8652 (with-current-buffer gnus-mime-security-details-buffer
8655 (setq gnus-mime-security-details-buffer
8656 (gnus-get-buffer-create "*MIME Security Details*")))
8657 (with-current-buffer gnus-mime-security-details-buffer
8659 (goto-char (point-min)))
8660 (pop-to-buffer gnus-mime-security-details-buffer)))))
8662 (defun gnus-mime-security-press-button (handle)
8664 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
8665 (gnus-mime-security-show-details handle)
8666 (gnus-mime-security-verify-or-decrypt handle))))
8668 (defun gnus-insert-mime-security-button (handle &optional displayed)
8669 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
8672 (or (nth 2 (assoc protocol mm-verify-function-alist))
8673 (nth 2 (assoc protocol mm-decrypt-function-alist))
8675 (if (equal (car handle) "multipart/signed")
8676 " Signed" " Encrypted")
8679 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
8682 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
8683 gnus-tmp-pressed-details
8685 (setq gnus-tmp-details
8686 (if gnus-tmp-details
8687 (concat "\n" gnus-tmp-details)
8689 (setq gnus-tmp-pressed-details
8690 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
8695 gnus-mime-security-button-line-format
8696 gnus-mime-security-button-line-format-alist
8697 `(keymap ,gnus-mime-security-button-map
8698 gnus-callback gnus-mime-security-press-button
8699 gnus-line-format ,gnus-mime-security-button-line-format
8700 gnus-mime-details ,gnus-mime-security-button-pressed
8701 article-type annotation
8704 ;; Exclude a newline.
8707 (when gnus-article-button-face
8708 (gnus-overlay-put (gnus-make-overlay b e nil t)
8709 'face gnus-article-button-face))
8710 (widget-convert-button
8713 :action 'gnus-widget-press-button
8714 :button-keymap gnus-mime-security-button-map
8717 ;; Needed to properly clear the message due to a bug in
8718 ;; wid-edit (XEmacs only).
8719 (when (boundp 'help-echo-owns-message)
8720 (setq help-echo-owns-message t))
8722 "%S: show detail; %S: more options"
8723 (aref gnus-mouse-2 0)
8724 (aref gnus-down-mouse-3 0))))))
8726 (defun gnus-mime-display-security (handle)
8728 (narrow-to-region (point) (point))
8729 (unless (gnus-unbuttonized-mime-type-p (car handle))
8730 (gnus-insert-mime-security-button handle))
8731 (gnus-mime-display-part (cadr handle))
8734 (unless (gnus-unbuttonized-mime-type-p (car handle))
8735 (let ((gnus-mime-security-button-line-format
8736 gnus-mime-security-button-end-line-format))
8737 (gnus-insert-mime-security-button handle)))
8738 (mm-set-handle-multipart-parameter
8740 (cons (set-marker (make-marker) (point-min))
8741 (set-marker (make-marker) (point-max))))
8742 (goto-char (point-max))))
8744 (defun gnus-mime-security-run-function (function)
8745 "Run FUNCTION with the security part under point."
8746 (gnus-article-check-buffer)
8747 (let ((data (get-text-property (point) 'gnus-data))
8749 (when (and (stringp (car-safe data))
8750 (setq buffer (mm-handle-multipart-original-buffer data))
8751 (setq handle (cadr data)))
8752 (if (bufferp (mm-handle-buffer handle))
8754 (setq handle (cons buffer (copy-sequence (cdr handle))))
8755 (mm-handle-set-undisplayer handle nil))
8756 (setq handle (mm-make-handle
8758 (mm-handle-multipart-ctl-parameter handle 'protocol)
8759 nil nil nil nil nil nil)))
8760 (funcall function handle))))
8762 (defun gnus-mime-security-save-part ()
8763 "Save the security part under point."
8765 (gnus-mime-security-run-function 'mm-save-part))
8767 (defun gnus-mime-security-pipe-part ()
8768 "Pipe the security part under point to a process."
8770 (gnus-mime-security-run-function 'mm-pipe-part))
8776 (run-hooks 'gnus-art-load-hook)
8778 ;;; gnus-art.el ends here