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 Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 ;; Boston, MA 02110-1301, USA.
33 (defvar w3m-minor-mode-map
))
48 (autoload 'gnus-msg-mail
"gnus-msg" nil t
)
49 (autoload 'gnus-button-mailto
"gnus-msg")
50 (autoload 'gnus-button-reply
"gnus-msg" nil t
)
51 (autoload 'parse-time-string
"parse-time" nil nil
)
52 (autoload 'mm-extern-cache-contents
"mm-extern")
54 (defgroup gnus-article nil
56 :link
'(custom-manual "(gnus)Article Buffer")
59 (defgroup gnus-article-treat nil
60 "Treating article parts."
61 :link
'(custom-manual "(gnus)Article Hiding")
64 (defgroup gnus-article-hiding nil
65 "Hiding article parts."
66 :link
'(custom-manual "(gnus)Article Hiding")
69 (defgroup gnus-article-highlight nil
70 "Article highlighting."
71 :link
'(custom-manual "(gnus)Article Highlighting")
75 (defgroup gnus-article-signature nil
77 :link
'(custom-manual "(gnus)Article Signature")
80 (defgroup gnus-article-headers nil
82 :link
'(custom-manual "(gnus)Hiding Headers")
85 (defgroup gnus-article-washing nil
86 "Special commands on articles."
87 :link
'(custom-manual "(gnus)Article Washing")
90 (defgroup gnus-article-emphasis nil
91 "Fontisizing articles."
92 :link
'(custom-manual "(gnus)Article Fontisizing")
95 (defgroup gnus-article-saving nil
97 :link
'(custom-manual "(gnus)Saving Articles")
100 (defgroup gnus-article-mime nil
101 "Worshiping the MIME wonder."
102 :link
'(custom-manual "(gnus)Using MIME")
103 :group
'gnus-article
)
105 (defgroup gnus-article-buttons nil
106 "Pushable buttons in the article buffer."
107 :link
'(custom-manual "(gnus)Article Buttons")
108 :group
'gnus-article
)
110 (defgroup gnus-article-various nil
111 "Other article options."
112 :link
'(custom-manual "(gnus)Misc Article")
113 :group
'gnus-article
)
115 (defcustom gnus-ignored-headers
118 (concat "^" header
":"))
119 '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
120 "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
121 "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
122 "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
123 "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
124 "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
125 "X-Attribution" "X-Originating-IP" "Delivered-To"
126 "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
127 "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
128 "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
129 "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
130 "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
131 "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
132 "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
133 "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
134 "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
135 "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
136 "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
137 "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
138 "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
139 "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
140 "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
141 "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
142 "List-[A-Za-z]+" "X-Listprocessor-Version"
143 "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
144 "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
145 "X-Received" "Content-length" "X-precedence"
146 "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
147 "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
148 "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
149 "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
150 "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
151 "X-Content-length" "X-Posting-Agent" "Original-Received"
152 "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
153 "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
154 "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
155 "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
156 "X-Abuse-and-DMCA-Info" "X-Postfilter" "X-Gpg-.*" "X-Disclaimer"))
157 "*All headers that start with this regexp will be hidden.
158 This variable can also be a list of regexps of headers to be ignored.
159 If `gnus-visible-headers' is non-nil, this variable will be ignored."
160 :type
'(choice :custom-show nil
163 :group
'gnus-article-hiding
)
165 (defcustom gnus-visible-headers
166 "^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:"
167 "*All headers that do not match this regexp will be hidden.
168 This variable can also be a list of regexp of headers to remain visible.
169 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
170 :type
'(repeat :value-to-internal
(lambda (widget value
)
171 (custom-split-regexp-maybe value
))
172 :match
(lambda (widget value
)
174 (widget-editable-list-match widget value
)))
176 :group
'gnus-article-hiding
)
178 (defcustom gnus-sorted-header-list
179 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
180 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
181 "*This variable is a list of regular expressions.
182 If it is non-nil, headers that match the regular expressions will
183 be placed first in the article buffer in the sequence specified by
185 :type
'(repeat regexp
)
186 :group
'gnus-article-hiding
)
188 (defcustom gnus-boring-article-headers
'(empty followup-to reply-to
)
189 "Headers that are only to be displayed if they have interesting data.
190 Possible values in this list are:
192 'empty Headers with no content.
193 'newsgroups Newsgroup identical to Gnus group.
194 'to-address To identical to To-address.
195 'to-list To identical to To-list.
196 'cc-list CC identical to To-list.
197 'followup-to Followup-to identical to Newsgroups.
198 'reply-to Reply-to identical to From.
199 'date Date less than four days old.
200 'long-to To and/or Cc longer than 1024 characters.
201 'many-to Multiple To and/or Cc."
202 :type
'(set (const :tag
"Headers with no content." empty
)
203 (const :tag
"Newsgroups identical to Gnus group." newsgroups
)
204 (const :tag
"To identical to To-address." to-address
)
205 (const :tag
"To identical to To-list." to-list
)
206 (const :tag
"CC identical to To-list." cc-list
)
207 (const :tag
"Followup-to identical to Newsgroups." followup-to
)
208 (const :tag
"Reply-to identical to From." reply-to
)
209 (const :tag
"Date less than four days old." date
)
210 (const :tag
"To and/or Cc longer than 1024 characters." long-to
)
211 (const :tag
"Multiple To and/or Cc headers." many-to
))
212 :group
'gnus-article-hiding
)
214 (defcustom gnus-article-skip-boring nil
215 "Skip over text that is not worth reading.
216 By default, if you set this t, then Gnus will display citations and
217 signatures, but will never scroll down to show you a page consisting
218 only of boring text. Boring text is controlled by
219 `gnus-article-boring-faces'."
222 :group
'gnus-article-hiding
)
224 (defcustom gnus-signature-separator
'("^-- $" "^-- *$")
225 "Regexp matching signature separator.
226 This can also be a list of regexps. In that case, it will be checked
227 from head to tail looking for a separator. Searches will be done from
228 the end of the buffer."
229 :type
'(choice :format
"%{%t%}: %[Value Menu%]\n%v"
231 (repeat :tag
"List of regexp" regexp
))
232 :group
'gnus-article-signature
)
234 (defcustom gnus-signature-limit nil
235 "Provide a limit to what is considered a signature.
236 If it is a number, no signature may not be longer (in characters) than
237 that number. If it is a floating point number, no signature may be
238 longer (in lines) than that number. If it is a function, the function
239 will be called without any parameters, and if it returns nil, there is
240 no signature in the buffer. If it is a string, it will be used as a
241 regexp. If it matches, the text in question is not a signature."
242 :type
'(choice (const nil
)
246 (regexp :value
".*"))
247 :group
'gnus-article-signature
)
249 (defcustom gnus-hidden-properties
'(invisible t intangible t
)
250 "Property list to use for hiding text."
252 :group
'gnus-article-hiding
)
254 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
255 ;; frames in a session.
256 (defcustom gnus-article-x-face-command
257 (if (featurep 'xemacs
)
258 (if (or (gnus-image-type-available-p 'xface
)
259 (gnus-image-type-available-p 'pbm
))
260 'gnus-display-x-face-in-from
261 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
262 (if (gnus-image-type-available-p 'pbm
)
263 'gnus-display-x-face-in-from
264 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
266 "*String or function to be executed to display an X-Face header.
267 If it is a string, the command will be executed in a sub-shell
268 asynchronously. The compressed face will be piped to this command."
269 :type
`(choice string
270 (function-item gnus-display-x-face-in-from
)
274 :group
'gnus-article-washing
)
276 (defcustom gnus-article-x-face-too-ugly nil
277 "Regexp matching posters whose face shouldn't be shown automatically."
278 :type
'(choice regexp
(const nil
))
279 :group
'gnus-article-washing
)
281 (defcustom gnus-article-banner-alist nil
282 "Banner alist for stripping.
284 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
286 :type
'(repeat (cons symbol regexp
))
287 :group
'gnus-article-washing
)
289 (gnus-define-group-parameter
292 "Alist of regexps (to match group names) and banner."
293 :variable-group gnus-article-washing
295 '(choice :tag
"Banner"
297 (const :tag
"Remove signature" signature
)
298 (symbol :tag
"Item in `gnus-article-banner-alist'" none
)
300 (const :tag
"None" nil
))
302 "If non-nil, specify how to remove `banners' from articles.
304 Symbol `signature' means to remove signatures delimited by
305 `gnus-signature-separator'. Any other symbol is used to look up a
306 regular expression to match the banner in `gnus-article-banner-alist'.
307 A string is used as a regular expression to match the banner
310 (defcustom gnus-article-address-banner-alist nil
311 "Alist of mail addresses and banners.
312 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
313 to match a mail address in the From: header, BANNER is one of a symbol
314 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
315 If ADDRESS matches author's mail address, it will remove things like
316 advertisements. For example:
318 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
322 (regexp :tag
"Address")
323 (choice :tag
"Banner" :value nil
324 (const :tag
"Remove signature" signature
)
325 (symbol :tag
"Item in `gnus-article-banner-alist'" none
)
327 (const :tag
"None" nil
))))
329 :group
'gnus-article-washing
)
331 (defmacro gnus-emphasis-custom-with-format
(&rest body
)
333 \\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\
334 \\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)"))
337 (defun gnus-emphasis-custom-value-to-external (value)
338 (gnus-emphasis-custom-with-format
339 (if (consp (car value
))
340 (list (format format
(car (car value
)) (cdr (car value
)))
342 (if (nth 1 value
) 2 3)
346 (defun gnus-emphasis-custom-value-to-internal (value)
347 (gnus-emphasis-custom-with-format
348 (let ((regexp (concat "\\`"
349 (format (regexp-quote format
)
350 "\\([^()]+\\)" "\\([^()]+\\)")
353 (if (string-match regexp
(setq pattern
(car value
)))
354 (list (cons (match-string 1 pattern
) (match-string 2 pattern
))
359 (defcustom gnus-emphasis-alist
361 '(("\\*" "\\*" bold nil
2)
364 ("_/" "/_" underline-italic
)
365 ("_\\*" "\\*_" underline-bold
)
366 ("\\*/" "/\\*" bold-italic
)
367 ("_\\*/" "/\\*_" underline-bold-italic
))))
369 (gnus-emphasis-custom-with-format
370 (mapcar (lambda (spec)
371 (list (format format
(car spec
) (cadr spec
))
374 (intern (format "gnus-emphasis-%s" (nth 2 spec
)))))
376 '(;; I've never seen anyone use this strikethru convention whereas I've
377 ;; several times seen it triggered by normal text. --Stef
378 ;; Miles suggests that this form is sometimes used but for italics,
379 ;; so maybe we should map it to `italic'.
380 ;; ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
381 ;; 2 3 gnus-emphasis-strikethru)
382 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
383 2 3 gnus-emphasis-underline
))))
384 "*Alist that says how to fontify certain phrases.
385 Each item looks like this:
387 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
389 The first element is a regular expression to be matched. The second
390 is a number that says what regular expression grouping used to find
391 the entire emphasized word. The third is a number that says what
392 regexp grouping should be displayed and highlighted. The fourth
393 is the face used for highlighting."
397 :format
"%[Customizing Style%]\n%v"
399 (group :tag
"Default"
400 :value
("" 0 0 default
)
403 (let ((value (widget-get
404 (cadr (widget-get (widget-get widget
:parent
)
407 (if (not (eq (nth 2 value
) 'default
))
411 (gnus-emphasis-custom-value-to-external value
))))
412 (widget-group-value-create widget
))
414 (integer :format
"Match group: %v")
415 (integer :format
"Emphasize group: %v")
418 :value
(("_" .
"_") nil default
)
420 (regexp :format
"Start regexp: %v")
421 (regexp :format
"End regexp: %v"))
422 (boolean :format
"Show start and end patterns: %[%v%]\n"
423 :on
" On " :off
" Off ")
425 :get
(lambda (symbol)
426 (mapcar 'gnus-emphasis-custom-value-to-internal
427 (default-value symbol
)))
428 :set
(lambda (symbol value
)
429 (set-default symbol
(mapcar 'gnus-emphasis-custom-value-to-external
431 :group
'gnus-article-emphasis
)
433 (defcustom gnus-emphasize-whitespace-regexp
"^[ \t]+\\|[ \t]*\n"
434 "A regexp to describe whitespace which should not be emphasized.
435 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
436 The former avoids underlining of leading and trailing whitespace,
437 and the latter avoids underlining any whitespace at all."
439 :group
'gnus-article-emphasis
442 (defface gnus-emphasis-bold
'((t (:bold t
)))
443 "Face used for displaying strong emphasized text (*word*)."
444 :group
'gnus-article-emphasis
)
446 (defface gnus-emphasis-italic
'((t (:italic t
)))
447 "Face used for displaying italic emphasized text (/word/)."
448 :group
'gnus-article-emphasis
)
450 (defface gnus-emphasis-underline
'((t (:underline t
)))
451 "Face used for displaying underlined emphasized text (_word_)."
452 :group
'gnus-article-emphasis
)
454 (defface gnus-emphasis-underline-bold
'((t (:bold t
:underline t
)))
455 "Face used for displaying underlined bold emphasized text (_*word*_)."
456 :group
'gnus-article-emphasis
)
458 (defface gnus-emphasis-underline-italic
'((t (:italic t
:underline t
)))
459 "Face used for displaying underlined italic emphasized text (_/word/_)."
460 :group
'gnus-article-emphasis
)
462 (defface gnus-emphasis-bold-italic
'((t (:bold t
:italic t
)))
463 "Face used for displaying bold italic emphasized text (/*word*/)."
464 :group
'gnus-article-emphasis
)
466 (defface gnus-emphasis-underline-bold-italic
467 '((t (:bold t
:italic t
:underline t
)))
468 "Face used for displaying underlined bold italic emphasized text.
469 Example: (_/*word*/_)."
470 :group
'gnus-article-emphasis
)
472 (defface gnus-emphasis-strikethru
(if (featurep 'xemacs
)
473 '((t (:strikethru t
)))
474 '((t (:strike-through t
))))
475 "Face used for displaying strike-through text (-word-)."
476 :group
'gnus-article-emphasis
)
478 (defface gnus-emphasis-highlight-words
479 '((t (:background
"black" :foreground
"yellow")))
480 "Face used for displaying highlighted words."
481 :group
'gnus-article-emphasis
)
483 (defcustom gnus-article-time-format
"%a, %b %d %Y %T %Z"
484 "Format for display of Date headers in article bodies.
485 See `format-time-string' for the possible values.
487 The variable can also be function, which should return a complete Date
488 header. The function is called with one argument, the time, which can
489 be fed to `format-time-string'."
490 :type
'(choice string symbol
)
491 :link
'(custom-manual "(gnus)Article Date")
492 :group
'gnus-article-washing
)
494 (defcustom gnus-save-all-headers t
495 "*If non-nil, don't remove any headers before saving.
496 This will be overridden by the `:headers' property that the symbol of
497 the saver function, which is specified by `gnus-default-article-saver',
499 :group
'gnus-article-saving
502 (defcustom gnus-prompt-before-saving
'always
503 "*This variable says how much prompting is to be done when saving articles.
504 If it is nil, no prompting will be done, and the articles will be
505 saved to the default files. If this variable is `always', each and
506 every article that is saved will be preceded by a prompt, even when
507 saving large batches of articles. If this variable is neither nil not
508 `always', there the user will be prompted once for a file name for
509 each invocation of the saving commands."
510 :group
'gnus-article-saving
511 :type
'(choice (item always
)
512 (item :tag
"never" nil
)
513 (sexp :tag
"once" :format
"%t\n" :value t
)))
515 (defcustom gnus-saved-headers gnus-visible-headers
516 "Headers to keep if `gnus-save-all-headers' is nil.
517 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
518 If that variable is nil, however, all headers that match this regexp
519 will be kept while the rest will be deleted before saving. This and
520 `gnus-save-all-headers' will be overridden by the `:headers' property
521 that the symbol of the saver function, which is specified by
522 `gnus-default-article-saver', might have."
523 :group
'gnus-article-saving
526 (defcustom gnus-default-article-saver
'gnus-summary-save-in-rmail
527 "A function to save articles in your favourite format.
528 The function will be called by way of the `gnus-summary-save-article'
529 command, and friends such as `gnus-summary-save-article-rmail'.
531 Gnus provides the following functions:
533 * gnus-summary-save-in-rmail (Rmail format)
534 * gnus-summary-save-in-mail (Unix mail format)
535 * gnus-summary-save-in-folder (MH folder)
536 * gnus-summary-save-in-file (article format)
537 * gnus-summary-save-body-in-file (article body)
538 * gnus-summary-save-in-vm (use VM's folder format)
539 * gnus-summary-write-to-file (article format -- overwrite)
540 * gnus-summary-write-body-to-file (article body -- overwrite)
542 The symbol of each function may have the following properties:
545 The value non-nil means save decoded articles. This is meaningful
546 only with `gnus-summary-save-in-file', `gnus-summary-save-body-in-file',
547 `gnus-summary-write-to-file', and `gnus-summary-write-body-to-file'.
550 The value specifies an alternative function which appends, not
551 overwrites, articles to a file. This implies that when saving many
552 articles at a time, `gnus-prompt-before-saving' is bound to t and all
553 articles are saved in a single file. This is meaningful only with
554 `gnus-summary-write-to-file' and `gnus-summary-write-body-to-file'.
557 The value specifies the symbol of a variable of which the value
558 specifies headers to be saved. If it is omitted,
559 `gnus-save-all-headers' and `gnus-saved-headers' control what
560 headers should be saved."
561 :group
'gnus-article-saving
562 :type
'(radio (function-item gnus-summary-save-in-rmail
)
563 (function-item gnus-summary-save-in-mail
)
564 (function-item gnus-summary-save-in-folder
)
565 (function-item gnus-summary-save-in-file
)
566 (function-item gnus-summary-save-body-in-file
)
567 (function-item gnus-summary-save-in-vm
)
568 (function-item gnus-summary-write-to-file
)
569 (function-item gnus-summary-write-body-to-file
)
572 (defcustom gnus-article-save-coding-system
573 (or (and (mm-coding-system-p 'utf-8
) 'utf-8
)
574 (and (mm-coding-system-p 'iso-2022-7bit
) 'iso-2022-7bit
)
575 (and (mm-coding-system-p 'emacs-mule
) 'emacs-mule
)
576 (and (mm-coding-system-p 'escape-quoted
) 'escape-quoted
))
577 "Coding system used to save decoded articles to a file.
579 The recommended coding systems are `utf-8', `iso-2022-7bit' and so on,
580 which can safely encode any characters in text. This is used by the
583 * gnus-summary-save-article-file
584 * gnus-summary-save-article-body-file
585 * gnus-summary-write-article-file
586 * gnus-summary-write-article-body-file
588 and the functions to which you may set `gnus-default-article-saver':
590 * gnus-summary-save-in-file
591 * gnus-summary-save-body-in-file
592 * gnus-summary-write-to-file
593 * gnus-summary-write-body-to-file
595 Those commands and functions save just text displayed in the article
596 buffer to a file if the value of this variable is non-nil. Note that
597 buttonized MIME parts will be lost in a saved file in that case.
598 Otherwise, raw articles will be saved."
599 :group
'gnus-article-saving
601 :format
"%{%t%}:\n %[Value Menu%] %v"
602 (const :tag
"Save raw articles" nil
)
605 (lambda (arg) (if (mm-coding-system-p (nth 3 arg
)) arg
))
606 '((const :tag
"UTF-8" utf-8
)
607 (const :tag
"iso-2022-7bit" iso-2022-7bit
)
608 (const :tag
"Emacs internal" emacs-mule
)
609 (const :tag
"escape-quoted" escape-quoted
))))
610 (symbol :tag
"Coding system")))
612 (defcustom gnus-rmail-save-name
'gnus-plain-save-name
613 "A function generating a file name to save articles in Rmail format.
614 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
615 :group
'gnus-article-saving
618 (defcustom gnus-mail-save-name
'gnus-plain-save-name
619 "A function generating a file name to save articles in Unix mail format.
620 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
621 :group
'gnus-article-saving
624 (defcustom gnus-folder-save-name
'gnus-folder-save-name
625 "A function generating a file name to save articles in MH folder.
626 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
627 :group
'gnus-article-saving
630 (defcustom gnus-file-save-name
'gnus-numeric-save-name
631 "A function generating a file name to save articles in article format.
632 The function is called with NEWSGROUP, HEADERS, and optional
634 :group
'gnus-article-saving
637 (defcustom gnus-split-methods
638 '((gnus-article-archive-name)
639 (gnus-article-nndoc-name))
640 "*Variable used to suggest where articles are to be saved.
641 For instance, if you would like to save articles related to Gnus in
642 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
643 you could set this variable to something like:
645 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
646 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
648 This variable is an alist where the where the key is the match and the
649 value is a list of possible files to save in if the match is non-nil.
651 If the match is a string, it is used as a regexp match on the
652 article. If the match is a symbol, that symbol will be funcalled
653 from the buffer of the article to be saved with the newsgroup as the
654 parameter. If it is a list, it will be evaled in the same buffer.
656 If this form or function returns a string, this string will be used as
657 a possible file name; and if it returns a non-nil list, that list will
658 be used as possible file names."
659 :group
'gnus-article-saving
660 :type
'(repeat (choice (list :value
(fun) function
)
661 (cons :value
("" "") regexp
(repeat string
))
664 (defcustom gnus-page-delimiter
"^\^L"
665 "*Regexp describing what to use as article page delimiters.
666 The default value is \"^\^L\", which is a form linefeed at the
667 beginning of a line."
669 :group
'gnus-article-various
)
671 (defcustom gnus-article-mode-line-format
"Gnus: %g [%w] %S%m"
672 "*The format specification for the article mode line.
673 See `gnus-summary-mode-line-format' for a closer description.
675 The following additional specs are available:
677 %w The article washing status.
678 %m The number of MIME parts in the article."
680 :group
'gnus-article-various
)
682 (defcustom gnus-article-mode-hook nil
683 "*A hook for Gnus article mode."
685 :group
'gnus-article-various
)
687 (when (featurep 'xemacs
)
688 ;; Extracted from gnus-xmas-define in order to preserve user settings
689 (when (fboundp 'turn-off-scroll-in-place
)
690 (add-hook 'gnus-article-mode-hook
'turn-off-scroll-in-place
))
691 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
692 (add-hook 'gnus-article-mode-hook
'gnus-xmas-article-menu-add
))
694 (defcustom gnus-article-menu-hook nil
695 "*Hook run after the creation of the article mode menu."
697 :group
'gnus-article-various
)
699 (defcustom gnus-article-prepare-hook nil
700 "*A hook called after an article has been prepared in the article buffer."
702 :group
'gnus-article-various
)
704 (make-obsolete-variable 'gnus-article-hide-pgp-hook
705 "This variable is obsolete in Gnus 5.10.")
707 (defcustom gnus-article-button-face
'bold
708 "Face used for highlighting buttons in the article buffer.
710 An article button is a piece of text that you can activate by pressing
711 `RET' or `mouse-2' above it."
713 :group
'gnus-article-buttons
)
715 (defcustom gnus-article-mouse-face
'highlight
716 "Face used for mouse highlighting in the article buffer.
718 Article buttons will be displayed in this face when the cursor is
721 :group
'gnus-article-buttons
)
723 (defcustom gnus-signature-face
'gnus-signature
724 "Face used for highlighting a signature in the article buffer.
725 Obsolete; use the face `gnus-signature' for customizations instead."
727 :group
'gnus-article-highlight
728 :group
'gnus-article-signature
)
730 (defface gnus-signature
733 "Face used for highlighting a signature in the article buffer."
734 :group
'gnus-article-highlight
735 :group
'gnus-article-signature
)
736 ;; backward-compatibility alias
737 (put 'gnus-signature-face
'face-alias
'gnus-signature
)
739 (defface gnus-header-from
742 (:foreground
"spring green"))
745 (:foreground
"red3"))
748 "Face used for displaying from headers."
749 :group
'gnus-article-headers
750 :group
'gnus-article-highlight
)
751 ;; backward-compatibility alias
752 (put 'gnus-header-from-face
'face-alias
'gnus-header-from
)
754 (defface gnus-header-subject
757 (:foreground
"SeaGreen3"))
760 (:foreground
"red4"))
762 (:bold t
:italic t
)))
763 "Face used for displaying subject headers."
764 :group
'gnus-article-headers
765 :group
'gnus-article-highlight
)
766 ;; backward-compatibility alias
767 (put 'gnus-header-subject-face
'face-alias
'gnus-header-subject
)
769 (defface gnus-header-newsgroups
772 (:foreground
"yellow" :italic t
))
775 (:foreground
"MidnightBlue" :italic t
))
778 "Face used for displaying newsgroups headers.
779 In the default setup this face is only used for crossposted
781 :group
'gnus-article-headers
782 :group
'gnus-article-highlight
)
783 ;; backward-compatibility alias
784 (put 'gnus-header-newsgroups-face
'face-alias
'gnus-header-newsgroups
)
786 (defface gnus-header-name
789 (:foreground
"SeaGreen"))
792 (:foreground
"maroon"))
795 "Face used for displaying header names."
796 :group
'gnus-article-headers
797 :group
'gnus-article-highlight
)
798 ;; backward-compatibility alias
799 (put 'gnus-header-name-face
'face-alias
'gnus-header-name
)
801 (defface gnus-header-content
804 (:foreground
"forest green" :italic t
))
807 (:foreground
"indianred4" :italic t
))
809 (:italic t
))) "Face used for displaying header content."
810 :group
'gnus-article-headers
811 :group
'gnus-article-highlight
)
812 ;; backward-compatibility alias
813 (put 'gnus-header-content-face
'face-alias
'gnus-header-content
)
815 (defcustom gnus-header-face-alist
816 '(("From" nil gnus-header-from
)
817 ("Subject" nil gnus-header-subject
)
818 ("Newsgroups:.*," nil gnus-header-newsgroups
)
819 ("" gnus-header-name gnus-header-content
))
820 "*Controls highlighting of article headers.
822 An alist of the form (HEADER NAME CONTENT).
824 HEADER is a regular expression which should match the name of a
825 header and NAME and CONTENT are either face names or nil.
827 The name of each header field will be displayed using the face
828 specified by the first element in the list where HEADER matches
829 the header name and NAME is non-nil. Similarly, the content will
830 be displayed by the first non-nil matching CONTENT face."
831 :group
'gnus-article-headers
832 :group
'gnus-article-highlight
833 :type
'(repeat (list (regexp :tag
"Header")
835 (item :tag
"skip" nil
)
836 (face :value default
))
837 (choice :tag
"Content"
838 (item :tag
"skip" nil
)
839 (face :value default
)))))
841 (defcustom gnus-article-decode-hook
842 '(article-decode-charset article-decode-encoded-words
843 article-decode-group-name article-decode-idna-rhs
)
844 "*Hook run to decode charsets in articles."
845 :group
'gnus-article-headers
848 (defcustom gnus-display-mime-function
'gnus-display-mime
849 "Function to display MIME articles."
850 :group
'gnus-article-mime
853 (defvar gnus-decode-header-function
'mail-decode-encoded-word-region
854 "Function used to decode headers.")
856 (defvar gnus-decode-address-function
'mail-decode-encoded-address-region
857 "Function used to decode addresses.")
859 (defvar gnus-article-dumbquotes-map
879 "Table for MS-to-Latin1 translation.")
881 (defcustom gnus-ignored-mime-types nil
882 "List of MIME types that should be ignored by Gnus."
884 :group
'gnus-article-mime
885 :type
'(repeat regexp
))
887 (defcustom gnus-unbuttonized-mime-types
'(".*/.*")
888 "List of MIME types that should not be given buttons when rendered inline.
889 See also `gnus-buttonized-mime-types' which may override this variable.
890 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
892 :group
'gnus-article-mime
893 :type
'(repeat regexp
))
895 (defcustom gnus-buttonized-mime-types nil
896 "List of MIME types that should be given buttons when rendered inline.
897 If set, this variable overrides `gnus-unbuttonized-mime-types'.
898 To see e.g. security buttons you could set this to
899 `(\"multipart/signed\")'. You could also add \"multipart/alternative\" to
900 this list to display radio buttons that allow you to choose one of two
901 media types those mails include. See also `mm-discouraged-alternatives'.
902 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
904 :group
'gnus-article-mime
905 :type
'(repeat regexp
))
907 (defcustom gnus-inhibit-mime-unbuttonizing nil
908 "If non-nil, all MIME parts get buttons.
909 When nil (the default value), then some MIME parts do not get buttons,
910 as described by the variables `gnus-buttonized-mime-types' and
911 `gnus-unbuttonized-mime-types'."
913 :group
'gnus-article-mime
916 (defcustom gnus-body-boundary-delimiter
"_"
917 "String used to delimit header and body.
918 This variable is used by `gnus-article-treat-body-boundary' which can
919 be controlled by `gnus-treat-body-boundary'."
921 :group
'gnus-article-various
922 :type
'(choice (item :tag
"None" :value nil
)
925 (defcustom gnus-picon-databases
'("/usr/lib/picon" "/usr/local/faces"
927 "Defines the location of the faces database.
928 For information on obtaining this database of pretty pictures, please
929 see http://www.cs.indiana.edu/picons/ftp/index.html"
931 :type
'(repeat directory
)
932 :link
'(url-link :tag
"download"
933 "http://www.cs.indiana.edu/picons/ftp/index.html")
934 :link
'(custom-manual "(gnus)Picons")
937 (defun gnus-picons-installed-p ()
938 "Say whether picons are installed on your machine."
939 (let ((installed nil
))
940 (dolist (database gnus-picon-databases
)
941 (when (file-exists-p database
)
945 (defcustom gnus-article-mime-part-function nil
946 "Function called with a MIME handle as the argument.
947 This is meant for people who want to do something automatic based
948 on parts -- for instance, adding Vcard info to a database."
949 :group
'gnus-article-mime
950 :type
'(choice (const nil
)
953 (defcustom gnus-mime-multipart-functions nil
954 "An alist of MIME types to functions to display them."
956 :group
'gnus-article-mime
959 (defcustom gnus-article-date-lapsed-new-header nil
960 "Whether the X-Sent and Date headers can coexist.
961 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
962 either replace the old \"Date:\" header (if this variable is nil), or
963 be added below it (otherwise)."
965 :group
'gnus-article-headers
968 (defcustom gnus-article-mime-match-handle-function
'undisplayed-alternative
969 "Function called with a MIME handle as the argument.
970 This is meant for people who want to view first matched part.
971 For `undisplayed-alternative' (default), the first undisplayed
972 part or alternative part is used. For `undisplayed', the first
973 undisplayed part is used. For a function, the first part which
974 the function return t is used. For nil, the first part is
977 :group
'gnus-article-mime
979 (item :tag
"first" :value nil
)
980 (item :tag
"undisplayed" :value undisplayed
)
981 (item :tag
"undisplayed or alternative"
982 :value undisplayed-alternative
)
985 (defcustom gnus-mime-action-alist
986 '(("save to file" . gnus-mime-save-part
)
987 ("save and strip" . gnus-mime-save-part-and-strip
)
988 ("delete part" . gnus-mime-delete-part
)
989 ("display as text" . gnus-mime-inline-part
)
990 ("view the part" . gnus-mime-view-part
)
991 ("pipe to command" . gnus-mime-pipe-part
)
992 ("toggle display" . gnus-article-press-button
)
993 ("toggle display" . gnus-article-view-part-as-charset
)
994 ("view as type" . gnus-mime-view-part-as-type
)
995 ("view internally" . gnus-mime-view-part-internally
)
996 ("view externally" . gnus-mime-view-part-externally
))
997 "An alist of actions that run on the MIME attachment."
998 :group
'gnus-article-mime
999 :type
'(repeat (cons (string :tag
"name")
1003 ;;; The treatment variables
1006 (defvar gnus-part-display-hook nil
1007 "Hook called on parts that are to receive treatment.")
1009 (defvar gnus-article-treat-custom
1010 '(choice (const :tag
"Off" nil
)
1012 (const :tag
"Header" head
)
1013 (const :tag
"Last" last
)
1014 (integer :tag
"Less")
1015 (repeat :tag
"Groups" regexp
)
1016 (sexp :tag
"Predicate")))
1018 (defvar gnus-article-treat-head-custom
1019 '(choice (const :tag
"Off" nil
)
1020 (const :tag
"Header" head
)))
1022 (defvar gnus-article-treat-types
'("text/plain")
1025 (defvar gnus-inhibit-treatment nil
1026 "Whether to inhibit treatment.")
1028 (defcustom gnus-treat-highlight-signature
'(or t
(typep "text/x-vcard"))
1029 "Highlight the signature.
1030 Valid values are nil, t, `head', `last', an integer or a predicate.
1031 See Info node `(gnus)Customizing Articles'."
1032 :group
'gnus-article-treat
1033 :link
'(custom-manual "(gnus)Customizing Articles")
1034 :type gnus-article-treat-custom
)
1035 (put 'gnus-treat-highlight-signature
'highlight t
)
1037 (defcustom gnus-treat-buttonize
100000
1039 Valid values are nil, t, `head', `last', an integer or a predicate.
1040 See Info node `(gnus)Customizing Articles'."
1041 :group
'gnus-article-treat
1042 :link
'(custom-manual "(gnus)Customizing Articles")
1043 :type gnus-article-treat-custom
)
1044 (put 'gnus-treat-buttonize
'highlight t
)
1046 (defcustom gnus-treat-buttonize-head
'head
1047 "Add buttons to the head.
1048 Valid values are nil, t, `head', `last', an integer or a predicate.
1049 See Info node `(gnus)Customizing Articles' for details."
1050 :group
'gnus-article-treat
1051 :link
'(custom-manual "(gnus)Customizing Articles")
1052 :type gnus-article-treat-head-custom
)
1053 (put 'gnus-treat-buttonize-head
'highlight t
)
1055 (defcustom gnus-treat-emphasize
1056 (and (or window-system
1058 (>= (string-to-number emacs-version
) 21))
1061 Valid values are nil, t, `head', `last', an integer or a predicate.
1062 See Info node `(gnus)Customizing Articles' for details."
1063 :group
'gnus-article-treat
1064 :link
'(custom-manual "(gnus)Customizing Articles")
1065 :type gnus-article-treat-custom
)
1066 (put 'gnus-treat-emphasize
'highlight t
)
1068 (defcustom gnus-treat-strip-cr nil
1069 "Remove carriage returns.
1070 Valid values are nil, t, `head', `last', an integer or a predicate.
1071 See Info node `(gnus)Customizing Articles' for details."
1073 :group
'gnus-article-treat
1074 :link
'(custom-manual "(gnus)Customizing Articles")
1075 :type gnus-article-treat-custom
)
1077 (defcustom gnus-treat-unsplit-urls nil
1078 "Remove newlines from within URLs.
1079 Valid values are nil, t, `head', `last', an integer or a predicate.
1080 See Info node `(gnus)Customizing Articles' for details."
1082 :group
'gnus-article-treat
1083 :link
'(custom-manual "(gnus)Customizing Articles")
1084 :type gnus-article-treat-custom
)
1086 (defcustom gnus-treat-leading-whitespace nil
1087 "Remove leading whitespace in headers.
1088 Valid values are nil, t, `head', `last', an integer or a predicate.
1089 See Info node `(gnus)Customizing Articles' for details."
1091 :group
'gnus-article-treat
1092 :link
'(custom-manual "(gnus)Customizing Articles")
1093 :type gnus-article-treat-custom
)
1095 (defcustom gnus-treat-hide-headers
'head
1097 Valid values are nil, t, `head', `last', an integer or a predicate.
1098 See Info node `(gnus)Customizing Articles' for details."
1099 :group
'gnus-article-treat
1100 :link
'(custom-manual "(gnus)Customizing Articles")
1101 :type gnus-article-treat-head-custom
)
1103 (defcustom gnus-treat-hide-boring-headers nil
1104 "Hide boring headers.
1105 Valid values are nil, t, `head', `last', an integer or a predicate.
1106 See Info node `(gnus)Customizing Articles' for details."
1107 :group
'gnus-article-treat
1108 :link
'(custom-manual "(gnus)Customizing Articles")
1109 :type gnus-article-treat-head-custom
)
1111 (defcustom gnus-treat-hide-signature nil
1112 "Hide the signature.
1113 Valid values are nil, t, `head', `last', an integer or a predicate.
1114 See Info node `(gnus)Customizing Articles' for details."
1115 :group
'gnus-article-treat
1116 :link
'(custom-manual "(gnus)Customizing Articles")
1117 :type gnus-article-treat-custom
)
1119 (defcustom gnus-treat-fill-article nil
1121 Valid values are nil, t, `head', `last', an integer or a predicate.
1122 See Info node `(gnus)Customizing Articles' for details."
1123 :group
'gnus-article-treat
1124 :link
'(custom-manual "(gnus)Customizing Articles")
1125 :type gnus-article-treat-custom
)
1127 (defcustom gnus-treat-hide-citation nil
1129 Valid values are nil, t, `head', `last', an integer or a predicate.
1130 See Info node `(gnus)Customizing Articles' for details."
1131 :group
'gnus-article-treat
1132 :link
'(custom-manual "(gnus)Customizing Articles")
1133 :type gnus-article-treat-custom
)
1135 (defcustom gnus-treat-hide-citation-maybe nil
1137 Valid values are nil, t, `head', `last', an integer or a predicate.
1138 See Info node `(gnus)Customizing Articles' for details."
1139 :group
'gnus-article-treat
1140 :link
'(custom-manual "(gnus)Customizing Articles")
1141 :type gnus-article-treat-custom
)
1143 (defcustom gnus-treat-strip-list-identifiers
'head
1144 "Strip list identifiers from `gnus-list-identifiers`.
1145 Valid values are nil, t, `head', `last', an integer or a predicate.
1146 See Info node `(gnus)Customizing Articles' for details."
1148 :group
'gnus-article-treat
1149 :link
'(custom-manual "(gnus)Customizing Articles")
1150 :type gnus-article-treat-custom
)
1152 (make-obsolete-variable 'gnus-treat-strip-pgp
1153 "This option is obsolete in Gnus 5.10.")
1155 (defcustom gnus-treat-strip-pem nil
1156 "Strip PEM signatures.
1157 Valid values are nil, t, `head', `last', an integer or a predicate.
1158 See Info node `(gnus)Customizing Articles' for details."
1159 :group
'gnus-article-treat
1160 :link
'(custom-manual "(gnus)Customizing Articles")
1161 :type gnus-article-treat-custom
)
1163 (defcustom gnus-treat-strip-banner t
1164 "Strip banners from articles.
1165 The banner to be stripped is specified in the `banner' group parameter.
1166 Valid values are nil, t, `head', `last', an integer or a predicate.
1167 See Info node `(gnus)Customizing Articles' for details."
1168 :group
'gnus-article-treat
1169 :link
'(custom-manual "(gnus)Customizing Articles")
1170 :type gnus-article-treat-custom
)
1172 (defcustom gnus-treat-highlight-headers
'head
1173 "Highlight the headers.
1174 Valid values are nil, t, `head', `last', an integer or a predicate.
1175 See Info node `(gnus)Customizing Articles' for details."
1176 :group
'gnus-article-treat
1177 :link
'(custom-manual "(gnus)Customizing Articles")
1178 :type gnus-article-treat-head-custom
)
1179 (put 'gnus-treat-highlight-headers
'highlight t
)
1181 (defcustom gnus-treat-highlight-citation t
1182 "Highlight cited text.
1183 Valid values are nil, t, `head', `last', an integer or a predicate.
1184 See Info node `(gnus)Customizing Articles' for details."
1185 :group
'gnus-article-treat
1186 :link
'(custom-manual "(gnus)Customizing Articles")
1187 :type gnus-article-treat-custom
)
1188 (put 'gnus-treat-highlight-citation
'highlight t
)
1190 (defcustom gnus-treat-date-ut nil
1191 "Display the Date in UT (GMT).
1192 Valid values are nil, t, `head', `last', an integer or a predicate.
1193 See Info node `(gnus)Customizing Articles' for details."
1194 :group
'gnus-article-treat
1195 :link
'(custom-manual "(gnus)Customizing Articles")
1196 :type gnus-article-treat-head-custom
)
1198 (defcustom gnus-treat-date-local nil
1199 "Display the Date in the local timezone.
1200 Valid values are nil, t, `head', `last', an integer or a predicate.
1201 See Info node `(gnus)Customizing Articles' for details."
1202 :group
'gnus-article-treat
1203 :link
'(custom-manual "(gnus)Customizing Articles")
1204 :type gnus-article-treat-head-custom
)
1206 (defcustom gnus-treat-date-english nil
1207 "Display the Date in a format that can be read aloud in English.
1208 Valid values are nil, t, `head', `last', an integer or a predicate.
1209 See Info node `(gnus)Customizing Articles' for details."
1211 :group
'gnus-article-treat
1212 :link
'(custom-manual "(gnus)Customizing Articles")
1213 :type gnus-article-treat-head-custom
)
1215 (defcustom gnus-treat-date-lapsed nil
1216 "Display the Date header in a way that says how much time has elapsed.
1217 Valid values are nil, t, `head', `last', an integer or a predicate.
1218 See Info node `(gnus)Customizing Articles' for details."
1219 :group
'gnus-article-treat
1220 :link
'(custom-manual "(gnus)Customizing Articles")
1221 :type gnus-article-treat-head-custom
)
1223 (defcustom gnus-treat-date-original nil
1224 "Display the date in the original timezone.
1225 Valid values are nil, t, `head', `last', an integer or a predicate.
1226 See Info node `(gnus)Customizing Articles' for details."
1227 :group
'gnus-article-treat
1228 :link
'(custom-manual "(gnus)Customizing Articles")
1229 :type gnus-article-treat-head-custom
)
1231 (defcustom gnus-treat-date-iso8601 nil
1232 "Display the date in the ISO8601 format.
1233 Valid values are nil, t, `head', `last', an integer or a predicate.
1234 See Info node `(gnus)Customizing Articles' for details."
1236 :group
'gnus-article-treat
1237 :link
'(custom-manual "(gnus)Customizing Articles")
1238 :type gnus-article-treat-head-custom
)
1240 (defcustom gnus-treat-date-user-defined nil
1241 "Display the date in a user-defined format.
1242 The format is defined by the `gnus-article-time-format' variable.
1243 Valid values are nil, t, `head', `last', an integer or a predicate.
1244 See Info node `(gnus)Customizing Articles' for details."
1245 :group
'gnus-article-treat
1246 :link
'(custom-manual "(gnus)Customizing Articles")
1247 :type gnus-article-treat-head-custom
)
1249 (defcustom gnus-treat-strip-headers-in-body t
1250 "Strip the X-No-Archive header line from the beginning of the body.
1251 Valid values are nil, t, `head', `last', an integer or a predicate.
1252 See Info node `(gnus)Customizing Articles' for details."
1254 :group
'gnus-article-treat
1255 :link
'(custom-manual "(gnus)Customizing Articles")
1256 :type gnus-article-treat-custom
)
1258 (defcustom gnus-treat-strip-trailing-blank-lines nil
1259 "Strip trailing blank lines.
1260 Valid values are nil, t, `head', `last', an integer or a predicate.
1261 See Info node `(gnus)Customizing Articles' for details.
1263 When set to t, it also strips trailing blanks in all MIME parts.
1264 Consider to use `last' instead."
1265 :group
'gnus-article-treat
1266 :link
'(custom-manual "(gnus)Customizing Articles")
1267 :type gnus-article-treat-custom
)
1269 (defcustom gnus-treat-strip-leading-blank-lines nil
1270 "Strip leading blank lines.
1271 Valid values are nil, t, `head', `last', an integer or a predicate.
1272 See Info node `(gnus)Customizing Articles' for details.
1274 When set to t, it also strips trailing blanks in all MIME parts."
1275 :group
'gnus-article-treat
1276 :link
'(custom-manual "(gnus)Customizing Articles")
1277 :type gnus-article-treat-custom
)
1279 (defcustom gnus-treat-strip-multiple-blank-lines nil
1280 "Strip multiple blank lines.
1281 Valid values are nil, t, `head', `last', an integer or a predicate.
1282 See Info node `(gnus)Customizing Articles' for details."
1283 :group
'gnus-article-treat
1284 :link
'(custom-manual "(gnus)Customizing Articles")
1285 :type gnus-article-treat-custom
)
1287 (defcustom gnus-treat-unfold-headers
'head
1288 "Unfold folded header lines.
1289 Valid values are nil, t, `head', `last', an integer or a predicate.
1290 See Info node `(gnus)Customizing Articles' for details."
1292 :group
'gnus-article-treat
1293 :link
'(custom-manual "(gnus)Customizing Articles")
1294 :type gnus-article-treat-custom
)
1296 (defcustom gnus-treat-fold-headers nil
1298 Valid values are nil, t, `head', `last', an integer or a predicate.
1299 See Info node `(gnus)Customizing Articles' for details."
1301 :group
'gnus-article-treat
1302 :link
'(custom-manual "(gnus)Customizing Articles")
1303 :type gnus-article-treat-custom
)
1305 (defcustom gnus-treat-fold-newsgroups
'head
1306 "Fold the Newsgroups and Followup-To headers.
1307 Valid values are nil, t, `head', `last', an integer or a predicate.
1308 See Info node `(gnus)Customizing Articles' for details."
1310 :group
'gnus-article-treat
1311 :link
'(custom-manual "(gnus)Customizing Articles")
1312 :type gnus-article-treat-custom
)
1314 (defcustom gnus-treat-overstrike t
1315 "Treat overstrike highlighting.
1316 Valid values are nil, t, `head', `last', an integer or a predicate.
1317 See Info node `(gnus)Customizing Articles' for details."
1318 :group
'gnus-article-treat
1319 :link
'(custom-manual "(gnus)Customizing Articles")
1320 :type gnus-article-treat-custom
)
1321 (put 'gnus-treat-overstrike
'highlight t
)
1323 (make-obsolete-variable 'gnus-treat-display-xface
1324 'gnus-treat-display-x-face
)
1326 (defcustom gnus-treat-display-x-face
1327 (and (not noninteractive
)
1328 (gnus-image-type-available-p 'xbm
)
1329 (if (featurep 'xemacs
)
1331 (and (string-match "^0x" (shell-command-to-string "uncompface"))
1332 (executable-find "icontopbm")))
1334 "Display X-Face headers.
1335 Valid values are nil, t, `head', `last', an integer or a predicate.
1336 See Info node `(gnus)Customizing Articles' and Info node
1337 `(gnus)X-Face' for details."
1338 :group
'gnus-article-treat
1340 :link
'(custom-manual "(gnus)Customizing Articles")
1341 :link
'(custom-manual "(gnus)X-Face")
1342 :type gnus-article-treat-head-custom
1343 :set
(lambda (symbol value
)
1346 (cond ((or (boundp symbol
) (get symbol
'saved-value
))
1348 ((boundp 'gnus-treat-display-xface
)
1350 ** gnus-treat-display-xface is an obsolete variable;\
1351 use gnus-treat-display-x-face instead")
1352 (default-value 'gnus-treat-display-xface
))
1353 ((get 'gnus-treat-display-xface
'saved-value
)
1355 ** gnus-treat-display-xface is an obsolete variable;\
1356 use gnus-treat-display-x-face instead")
1357 (eval (car (get 'gnus-treat-display-xface
'saved-value
))))
1360 (put 'gnus-treat-display-x-face
'highlight t
)
1362 (defcustom gnus-treat-display-face
1363 (and (not noninteractive
)
1364 (gnus-image-type-available-p 'png
)
1366 "Display Face headers.
1367 Valid values are nil, t, `head', `last', an integer or a predicate.
1368 See Info node `(gnus)Customizing Articles' and Info node
1369 `(gnus)X-Face' for details."
1370 :group
'gnus-article-treat
1372 :link
'(custom-manual "(gnus)Customizing Articles")
1373 :link
'(custom-manual "(gnus)X-Face")
1374 :type gnus-article-treat-head-custom
)
1375 (put 'gnus-treat-display-face
'highlight t
)
1377 (defcustom gnus-treat-display-smileys
(gnus-image-type-available-p 'xpm
)
1379 Valid values are nil, t, `head', `last', an integer or a predicate.
1380 See Info node `(gnus)Customizing Articles' and Info node
1381 `(gnus)Smileys' for details."
1382 :group
'gnus-article-treat
1384 :link
'(custom-manual "(gnus)Customizing Articles")
1385 :link
'(custom-manual "(gnus)Smileys")
1386 :type gnus-article-treat-custom
)
1387 (put 'gnus-treat-display-smileys
'highlight t
)
1389 (defcustom gnus-treat-from-picon
1390 (if (and (gnus-image-type-available-p 'xpm
)
1391 (gnus-picons-installed-p))
1393 "Display picons in the From header.
1394 Valid values are nil, t, `head', `last', an integer or a predicate.
1395 See Info node `(gnus)Customizing Articles' and Info node
1396 `(gnus)Picons' for details."
1398 :group
'gnus-article-treat
1400 :link
'(custom-manual "(gnus)Customizing Articles")
1401 :link
'(custom-manual "(gnus)Picons")
1402 :type gnus-article-treat-head-custom
)
1403 (put 'gnus-treat-from-picon
'highlight t
)
1405 (defcustom gnus-treat-mail-picon
1406 (if (and (gnus-image-type-available-p 'xpm
)
1407 (gnus-picons-installed-p))
1409 "Display picons in To and Cc headers.
1410 Valid values are nil, t, `head', `last', an integer or a predicate.
1411 See Info node `(gnus)Customizing Articles' and Info node
1412 `(gnus)Picons' for details."
1414 :group
'gnus-article-treat
1416 :link
'(custom-manual "(gnus)Customizing Articles")
1417 :link
'(custom-manual "(gnus)Picons")
1418 :type gnus-article-treat-head-custom
)
1419 (put 'gnus-treat-mail-picon
'highlight t
)
1421 (defcustom gnus-treat-newsgroups-picon
1422 (if (and (gnus-image-type-available-p 'xpm
)
1423 (gnus-picons-installed-p))
1425 "Display picons in the Newsgroups and Followup-To headers.
1426 Valid values are nil, t, `head', `last', an integer or a predicate.
1427 See Info node `(gnus)Customizing Articles' and Info node
1428 `(gnus)Picons' for details."
1430 :group
'gnus-article-treat
1432 :link
'(custom-manual "(gnus)Customizing Articles")
1433 :link
'(custom-manual "(gnus)Picons")
1434 :type gnus-article-treat-head-custom
)
1435 (put 'gnus-treat-newsgroups-picon
'highlight t
)
1437 (defcustom gnus-treat-body-boundary
1438 (if (or gnus-treat-newsgroups-picon
1439 gnus-treat-mail-picon
1440 gnus-treat-from-picon
)
1442 "Draw a boundary at the end of the headers.
1443 Valid values are nil and `head'.
1444 See Info node `(gnus)Customizing Articles' for details."
1446 :group
'gnus-article-treat
1447 :link
'(custom-manual "(gnus)Customizing Articles")
1448 :type gnus-article-treat-head-custom
)
1450 (defcustom gnus-treat-capitalize-sentences nil
1451 "Capitalize sentence-starting words.
1452 Valid values are nil, t, `head', `last', an integer or a predicate.
1453 See Info node `(gnus)Customizing Articles' for details."
1455 :group
'gnus-article-treat
1456 :link
'(custom-manual "(gnus)Customizing Articles")
1457 :type gnus-article-treat-custom
)
1459 (defcustom gnus-treat-wash-html nil
1461 Valid values are nil, t, `head', `last', an integer or a predicate.
1462 See Info node `(gnus)Customizing Articles' for details."
1464 :group
'gnus-article-treat
1465 :link
'(custom-manual "(gnus)Customizing Articles")
1466 :type gnus-article-treat-custom
)
1468 (defcustom gnus-treat-fill-long-lines nil
1470 Valid values are nil, t, `head', `last', an integer or a predicate.
1471 See Info node `(gnus)Customizing Articles' for details."
1472 :group
'gnus-article-treat
1473 :link
'(custom-manual "(gnus)Customizing Articles")
1474 :type gnus-article-treat-custom
)
1476 (defcustom gnus-treat-play-sounds nil
1478 Valid values are nil, t, `head', `last', an integer or a predicate.
1479 See Info node `(gnus)Customizing Articles' for details."
1481 :group
'gnus-article-treat
1482 :link
'(custom-manual "(gnus)Customizing Articles")
1483 :type gnus-article-treat-custom
)
1485 (defcustom gnus-treat-translate nil
1486 "Translate articles from one language to another.
1487 Valid values are nil, t, `head', `last', an integer or a predicate.
1488 See Info node `(gnus)Customizing Articles' for details."
1490 :group
'gnus-article-treat
1491 :link
'(custom-manual "(gnus)Customizing Articles")
1492 :type gnus-article-treat-custom
)
1494 (defcustom gnus-treat-x-pgp-sig nil
1496 To automatically treat X-PGP-Sig, set it to head.
1497 Valid values are nil, t, `head', `last', an integer or a predicate.
1498 See Info node `(gnus)Customizing Articles' for details."
1500 :group
'gnus-article-treat
1501 :group
'mime-security
1502 :link
'(custom-manual "(gnus)Customizing Articles")
1503 :type gnus-article-treat-custom
)
1505 (defvar gnus-article-encrypt-protocol-alist
1506 '(("PGP" . mml2015-self-encrypt
)))
1508 ;; Set to nil if more than one protocol added to
1509 ;; gnus-article-encrypt-protocol-alist.
1510 (defcustom gnus-article-encrypt-protocol
"PGP"
1511 "The protocol used for encrypt articles.
1512 It is a string, such as \"PGP\". If nil, ask user."
1515 :group
'mime-security
)
1517 (defvar gnus-article-wash-function nil
1518 "Function used for converting HTML into text.")
1520 (defcustom gnus-use-idna
(and (condition-case nil
(require 'idna
) (file-error))
1521 (mm-coding-system-p 'utf-8
)
1522 (executable-find idna-program
))
1523 "Whether IDNA decoding of headers is used when viewing messages.
1524 This requires GNU Libidn, and by default only enabled if it is found."
1526 :group
'gnus-article-headers
1529 (defcustom gnus-article-over-scroll nil
1530 "If non-nil, allow scrolling the article buffer even when there no more text."
1532 :group
'gnus-article
1535 ;;; Internal variables
1537 (defvar gnus-english-month-names
1538 '("January" "February" "March" "April" "May" "June" "July" "August"
1539 "September" "October" "November" "December"))
1541 (defvar article-goto-body-goes-to-point-min-p nil
)
1542 (defvar gnus-article-wash-types nil
)
1543 (defvar gnus-article-emphasis-alist nil
)
1544 (defvar gnus-article-image-alist nil
)
1546 (defvar gnus-article-mime-handle-alist-1 nil
)
1547 (defvar gnus-treatment-function-alist
1548 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig
)
1549 (gnus-treat-strip-banner gnus-article-strip-banner
)
1550 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body
)
1551 (gnus-treat-highlight-signature gnus-article-highlight-signature
)
1552 (gnus-treat-buttonize gnus-article-add-buttons
)
1553 (gnus-treat-fill-article gnus-article-fill-cited-article
)
1554 (gnus-treat-fill-long-lines gnus-article-fill-long-lines
)
1555 (gnus-treat-strip-cr gnus-article-remove-cr
)
1556 (gnus-treat-unsplit-urls gnus-article-unsplit-urls
)
1557 (gnus-treat-date-ut gnus-article-date-ut
)
1558 (gnus-treat-date-local gnus-article-date-local
)
1559 (gnus-treat-date-english gnus-article-date-english
)
1560 (gnus-treat-date-original gnus-article-date-original
)
1561 (gnus-treat-date-user-defined gnus-article-date-user
)
1562 (gnus-treat-date-iso8601 gnus-article-date-iso8601
)
1563 (gnus-treat-date-lapsed gnus-article-date-lapsed
)
1564 (gnus-treat-display-x-face gnus-article-display-x-face
)
1565 (gnus-treat-display-face gnus-article-display-face
)
1566 (gnus-treat-hide-headers gnus-article-maybe-hide-headers
)
1567 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers
)
1568 (gnus-treat-hide-signature gnus-article-hide-signature
)
1569 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers
)
1570 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace
)
1571 (gnus-treat-strip-pem gnus-article-hide-pem
)
1572 (gnus-treat-from-picon gnus-treat-from-picon
)
1573 (gnus-treat-mail-picon gnus-treat-mail-picon
)
1574 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon
)
1575 (gnus-treat-highlight-headers gnus-article-highlight-headers
)
1576 (gnus-treat-highlight-signature gnus-article-highlight-signature
)
1577 (gnus-treat-strip-trailing-blank-lines
1578 gnus-article-remove-trailing-blank-lines
)
1579 (gnus-treat-strip-leading-blank-lines
1580 gnus-article-strip-leading-blank-lines
)
1581 (gnus-treat-strip-multiple-blank-lines
1582 gnus-article-strip-multiple-blank-lines
)
1583 (gnus-treat-overstrike gnus-article-treat-overstrike
)
1584 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers
)
1585 (gnus-treat-fold-headers gnus-article-treat-fold-headers
)
1586 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups
)
1587 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head
)
1588 (gnus-treat-display-smileys gnus-treat-smiley
)
1589 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences
)
1590 (gnus-treat-wash-html gnus-article-wash-html
)
1591 (gnus-treat-emphasize gnus-article-emphasize
)
1592 (gnus-treat-hide-citation gnus-article-hide-citation
)
1593 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe
)
1594 (gnus-treat-highlight-citation gnus-article-highlight-citation
)
1595 (gnus-treat-body-boundary gnus-article-treat-body-boundary
)
1596 (gnus-treat-play-sounds gnus-earcon-display
)))
1598 (defvar gnus-article-mime-handle-alist nil
)
1599 (defvar article-lapsed-timer nil
)
1600 (defvar gnus-article-current-summary nil
)
1602 (defvar gnus-article-mode-syntax-table
1603 (let ((table (copy-syntax-table text-mode-syntax-table
)))
1604 ;; This causes the citation match run O(2^n).
1605 ;; (modify-syntax-entry ?- "w" table)
1606 (modify-syntax-entry ?
> ")<" table
)
1607 (modify-syntax-entry ?
< "(>" table
)
1608 ;; make M-. in article buffers work for `foo' strings
1609 (modify-syntax-entry ?
' " " table
)
1610 (modify-syntax-entry ?
` " " table
)
1612 "Syntax table used in article mode buffers.
1613 Initialized from `text-mode-syntax-table.")
1615 (defvar gnus-save-article-buffer nil
)
1617 (defvar gnus-article-mode-line-format-alist
1618 (nconc '((?w
(gnus-article-wash-status) ?s
)
1619 (?m
(gnus-article-mime-part-status) ?s
))
1620 gnus-summary-mode-line-format-alist
))
1622 (defvar gnus-number-of-articles-to-be-saved nil
)
1624 (defvar gnus-inhibit-hiding nil
)
1626 (defvar gnus-article-edit-mode nil
)
1628 ;;; Macros for dealing with the article buffer.
1630 (defmacro gnus-with-article-headers
(&rest forms
)
1632 (set-buffer gnus-article-buffer
)
1634 (let ((inhibit-read-only t
)
1635 (inhibit-point-motion-hooks t
)
1636 (case-fold-search t
))
1637 (article-narrow-to-head)
1640 (put 'gnus-with-article-headers
'lisp-indent-function
0)
1641 (put 'gnus-with-article-headers
'edebug-form-spec
'(body))
1643 (defmacro gnus-with-article-buffer
(&rest forms
)
1645 (set-buffer gnus-article-buffer
)
1646 (let ((inhibit-read-only t
))
1649 (put 'gnus-with-article-buffer
'lisp-indent-function
0)
1650 (put 'gnus-with-article-buffer
'edebug-form-spec
'(body))
1652 (defun gnus-article-goto-header (header)
1653 "Go to HEADER, which is a regular expression."
1654 (re-search-forward (concat "^\\(" header
"\\):") nil t
))
1656 (defsubst gnus-article-hide-text
(b e props
)
1657 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1658 (gnus-add-text-properties-when 'article-type nil b e props
)
1659 (when (memq 'intangible props
)
1661 (max (1- b
) (point-min))
1662 b
'intangible
(cddr (memq 'intangible props
)))))
1664 (defsubst gnus-article-unhide-text
(b e
)
1665 "Remove hidden text properties from region between B and E."
1666 (remove-text-properties b e gnus-hidden-properties
)
1667 (when (memq 'intangible gnus-hidden-properties
)
1668 (put-text-property (max (1- b
) (point-min))
1669 b
'intangible nil
)))
1671 (defun gnus-article-hide-text-type (b e type
)
1672 "Hide text of TYPE between B and E."
1673 (gnus-add-wash-type type
)
1674 (gnus-article-hide-text
1675 b e
(cons 'article-type
(cons type gnus-hidden-properties
))))
1677 (defun gnus-article-unhide-text-type (b e type
)
1678 "Unhide text of TYPE between B and E."
1679 (gnus-delete-wash-type type
)
1680 (remove-text-properties
1681 b e
(cons 'article-type
(cons type gnus-hidden-properties
)))
1682 (when (memq 'intangible gnus-hidden-properties
)
1683 (put-text-property (max (1- b
) (point-min))
1684 b
'intangible nil
)))
1686 (defun gnus-article-hide-text-of-type (type)
1687 "Hide text of TYPE in the current buffer."
1689 (let ((b (point-min))
1691 (while (setq b
(text-property-any b e
'article-type type
))
1692 (add-text-properties b
(incf b
) gnus-hidden-properties
)))))
1694 (defun gnus-article-delete-text-of-type (type)
1695 "Delete text of TYPE in the current buffer."
1697 (let ((b (point-min)))
1698 (if (eq type
'multipart
)
1699 ;; Remove MIME buttons associated with multipart/alternative parts.
1702 (while (if (get-text-property (point) 'gnus-part
)
1704 (when (setq b
(next-single-property-change (point)
1709 (skip-chars-forward "\n")
1710 (when (eq (get-text-property b
'article-type
) 'multipart
)
1711 (delete-region b
(point)))))
1712 (while (setq b
(text-property-any b
(point-max) 'article-type type
))
1714 b
(or (text-property-not-all b
(point-max) 'article-type type
)
1717 (defun gnus-article-delete-invisible-text ()
1718 "Delete all invisible text in the current buffer."
1720 (let ((b (point-min)))
1721 (while (setq b
(text-property-any b
(point-max) 'invisible t
))
1723 b
(or (text-property-not-all b
(point-max) 'invisible t
)
1726 (defun gnus-article-text-type-exists-p (type)
1727 "Say whether any text of type TYPE exists in the buffer."
1728 (text-property-any (point-min) (point-max) 'article-type type
))
1730 (defsubst gnus-article-header-rank
()
1731 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1732 (let ((list gnus-sorted-header-list
)
1735 (if (looking-at (car list
))
1737 (setq list
(cdr list
))
1741 (defun article-hide-headers (&optional arg delete
)
1742 "Hide unwanted headers and possibly sort them as well."
1744 ;; This function might be inhibited.
1745 (unless gnus-inhibit-hiding
1746 (let ((inhibit-read-only nil
)
1747 (case-fold-search t
)
1748 (max (1+ (length gnus-sorted-header-list
)))
1749 (inhibit-point-motion-hooks t
)
1750 (cur (current-buffer))
1751 ignored visible beg
)
1753 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1754 ;; group parameters, so we should go to the summary buffer.
1757 (progn (set-buffer gnus-summary-buffer
) t
)
1759 (setq ignored
(when (not gnus-visible-headers
)
1760 (cond ((stringp gnus-ignored-headers
)
1761 gnus-ignored-headers
)
1762 ((listp gnus-ignored-headers
)
1763 (mapconcat 'identity
1764 gnus-ignored-headers
1766 visible
(cond ((stringp gnus-visible-headers
)
1767 gnus-visible-headers
)
1768 ((and gnus-visible-headers
1769 (listp gnus-visible-headers
))
1770 (mapconcat 'identity
1771 gnus-visible-headers
1775 ;; First we narrow to just the headers.
1776 (article-narrow-to-head)
1777 ;; Hide any "From " lines at the beginning of (mail) articles.
1778 (while (looking-at "From ")
1781 (delete-region (point-min) (point)))
1782 ;; Then treat the rest of the header lines.
1783 ;; Then we use the two regular expressions
1784 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1785 ;; select which header lines is to remain visible in the
1787 (while (re-search-forward "^[^ \t:]*:" nil t
)
1789 ;; Mark the rank of the header.
1791 (point) (1+ (point)) 'message-rank
1792 (if (or (and visible
(looking-at visible
))
1794 (not (looking-at ignored
))))
1795 (gnus-article-header-rank)
1798 (message-sort-headers-1)
1799 (when (setq beg
(text-property-any
1800 (point-min) (point-max) 'message-rank
(+ 2 max
)))
1801 ;; We delete the unwanted headers.
1802 (gnus-add-wash-type 'headers
)
1803 (add-text-properties (point-min) (+ 5 (point-min))
1804 '(article-type headers dummy-invisible t
))
1805 (delete-region beg
(point-max))))))))
1807 (defun article-hide-boring-headers (&optional arg
)
1808 "Toggle hiding of headers that aren't very interesting.
1809 If given a negative prefix, always show; if given a positive prefix,
1811 (interactive (gnus-article-hidden-arg))
1812 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg
))
1813 (not gnus-show-all-headers
))
1816 (let ((inhibit-read-only t
)
1817 (list gnus-boring-article-headers
)
1818 (inhibit-point-motion-hooks t
)
1820 (article-narrow-to-head)
1822 (setq elem
(pop list
))
1823 (goto-char (point-min))
1825 ;; Hide empty headers.
1827 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t
)
1829 (gnus-article-hide-text-type
1833 (if (re-search-forward "^[^ \t]" nil t
)
1837 ;; Hide boring Newsgroups header.
1838 ((eq elem
'newsgroups
)
1839 (when (gnus-string-equal
1840 (gnus-fetch-field "newsgroups")
1841 (gnus-group-real-name
1842 (if (boundp 'gnus-newsgroup-name
)
1845 (gnus-article-hide-header "newsgroups")))
1846 ((eq elem
'to-address
)
1847 (let ((to (message-fetch-field "to"))
1849 (gnus-parameter-to-address
1850 (if (boundp 'gnus-newsgroup-name
)
1851 gnus-newsgroup-name
""))))
1852 (when (and to to-address
1855 ;; only one address in To
1856 (nth 1 (mail-extract-address-components to
))
1858 (gnus-article-hide-header "to"))))
1860 (let ((to (message-fetch-field "to"))
1862 (gnus-parameter-to-list
1863 (if (boundp 'gnus-newsgroup-name
)
1864 gnus-newsgroup-name
""))))
1865 (when (and to to-list
1868 ;; only one address in To
1869 (nth 1 (mail-extract-address-components to
))
1871 (gnus-article-hide-header "to"))))
1873 (let ((cc (message-fetch-field "cc"))
1875 (gnus-parameter-to-list
1876 (if (boundp 'gnus-newsgroup-name
)
1877 gnus-newsgroup-name
""))))
1878 (when (and cc to-list
1881 ;; only one address in CC
1882 (nth 1 (mail-extract-address-components cc
))
1884 (gnus-article-hide-header "cc"))))
1885 ((eq elem
'followup-to
)
1886 (when (gnus-string-equal
1887 (message-fetch-field "followup-to")
1888 (message-fetch-field "newsgroups"))
1889 (gnus-article-hide-header "followup-to")))
1890 ((eq elem
'reply-to
)
1891 (if (gnus-group-find-parameter
1892 gnus-newsgroup-name
'broken-reply-to
)
1893 (gnus-article-hide-header "reply-to")
1894 (let ((from (message-fetch-field "from"))
1895 (reply-to (message-fetch-field "reply-to")))
1902 (lambda (x) (downcase (cadr x
)))
1903 (mail-extract-address-components from t
))
1906 (lambda (x) (downcase (cadr x
)))
1907 (mail-extract-address-components reply-to t
))
1909 (gnus-article-hide-header "reply-to")))))
1911 (let ((date (with-current-buffer gnus-original-article-buffer
1912 ;; If date in `gnus-article-buffer' is localized
1913 ;; (`gnus-treat-date-user-defined'),
1914 ;; `days-between' might fail.
1915 (message-fetch-field "date"))))
1917 (< (days-between (current-time-string) date
)
1919 (gnus-article-hide-header "date"))))
1921 (let ((to (message-fetch-field "to"))
1922 (cc (message-fetch-field "cc")))
1923 (when (> (length to
) 1024)
1924 (gnus-article-hide-header "to"))
1925 (when (> (length cc
) 1024)
1926 (gnus-article-hide-header "cc"))))
1930 (goto-char (point-min))
1931 (while (re-search-forward "^to:" nil t
)
1932 (setq to-count
(1+ to-count
)))
1933 (when (> to-count
1)
1934 (while (> to-count
0)
1935 (goto-char (point-min))
1937 (re-search-forward "^to:" nil nil to-count
)
1939 (narrow-to-region (point) (point-max))
1940 (gnus-article-hide-header "to"))
1941 (setq to-count
(1- to-count
))))
1942 (goto-char (point-min))
1943 (while (re-search-forward "^cc:" nil t
)
1944 (setq cc-count
(1+ cc-count
)))
1945 (when (> cc-count
1)
1946 (while (> cc-count
0)
1947 (goto-char (point-min))
1949 (re-search-forward "^cc:" nil nil cc-count
)
1951 (narrow-to-region (point) (point-max))
1952 (gnus-article-hide-header "cc"))
1953 (setq cc-count
(1- cc-count
)))))))))))))
1955 (defun gnus-article-hide-header (header)
1957 (goto-char (point-min))
1958 (when (re-search-forward (concat "^" header
":") nil t
)
1959 (gnus-article-hide-text-type
1963 (if (re-search-forward "^[^ \t]" nil t
)
1968 (defvar gnus-article-normalized-header-length
40
1969 "Length of normalized headers.")
1971 (defun article-normalize-headers ()
1972 "Make all header lines 40 characters long."
1974 (let ((inhibit-read-only t
)
1978 (article-narrow-to-head)
1981 ((< (setq column
(- (gnus-point-at-eol) (point)))
1982 gnus-article-normalized-header-length
)
1984 (insert (make-string
1985 (- gnus-article-normalized-header-length column
)
1987 ((> column gnus-article-normalized-header-length
)
1988 (gnus-put-text-property
1990 (forward-char gnus-article-normalized-header-length
)
1997 (forward-line 1))))))
1999 (defun article-treat-dumbquotes ()
2000 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
2001 Note that this function guesses whether a character is a sm*rtq**t* or
2002 not, so it should only be used interactively.
2004 Sm*rtq**t*s are M****s***'s unilateral extension to the
2005 iso-8859-1 character map in an attempt to provide more quoting
2006 characters. If you see something like \\222 or \\264 where
2007 you're expecting some kind of apostrophe or quotation mark, then
2010 (article-translate-strings gnus-article-dumbquotes-map
))
2012 (defun article-translate-characters (from to
)
2013 "Translate all characters in the body of the article according to FROM and TO.
2014 FROM is a string of characters to translate from; to is a string of
2015 characters to translate to."
2017 (when (article-goto-body)
2018 (let ((inhibit-read-only t
)
2019 (x (make-string 225 ?x
))
2021 (while (< (incf i
) (length x
))
2024 (while (< i
(length from
))
2025 (aset x
(aref from i
) (aref to i
))
2027 (translate-region (point) (point-max) x
)))))
2029 (defun article-translate-strings (map)
2030 "Translate all string in the body of the article according to MAP.
2031 MAP is an alist where the elements are on the form (\"from\" \"to\")."
2033 (when (article-goto-body)
2034 (let ((inhibit-read-only t
)
2036 (while (setq elem
(pop map
))
2038 (while (search-forward (car elem
) nil t
)
2039 (replace-match (cadr elem
)))))))))
2041 (defun article-treat-overstrike ()
2042 "Translate overstrikes into bold text."
2045 (when (article-goto-body)
2046 (let ((inhibit-read-only t
))
2047 (while (search-forward "\b" nil t
)
2048 (let ((next (char-after))
2049 (previous (char-after (- (point) 2))))
2050 ;; We do the boldification/underlining by hiding the
2051 ;; overstrikes and putting the proper text property
2055 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike
)
2056 (put-text-property (point) (1+ (point)) 'face
'bold
))
2058 (gnus-article-hide-text-type
2059 (1- (point)) (1+ (point)) 'overstrike
)
2061 (- (point) 2) (1- (point)) 'face
'underline
))
2063 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike
)
2065 (point) (1+ (point)) 'face
'underline
)))))))))
2067 (defun gnus-article-treat-unfold-headers ()
2068 "Unfold folded message headers.
2069 Only the headers that fit into the current window width will be
2072 (gnus-with-article-headers
2076 (mail-header-narrow-to-field)
2077 (let ((header (buffer-string)))
2080 (goto-char (point-min))
2081 (while (re-search-forward "\n[\t ]" nil t
)
2082 (replace-match " " t t
)))
2083 (setq length
(- (point-max) (point-min) 1)))
2084 (when (< length
(window-width))
2085 (while (re-search-forward "\n[\t ]" nil t
)
2086 (replace-match " " t t
)))
2087 (goto-char (point-max)))))))
2089 (defun gnus-article-treat-fold-headers ()
2090 "Fold message headers."
2092 (gnus-with-article-headers
2095 (mail-header-narrow-to-field)
2096 (mail-header-fold-field)
2097 (goto-char (point-max))))))
2099 (defun gnus-treat-smiley ()
2100 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2102 (gnus-with-article-buffer
2103 (if (memq 'smiley gnus-article-wash-types
)
2104 (gnus-delete-images 'smiley
)
2106 (let ((images (smiley-region (point) (point-max))))
2108 (gnus-add-wash-type 'smiley
)
2109 (dolist (image images
)
2110 (gnus-add-image 'smiley image
)))))))
2112 (defun gnus-article-remove-images ()
2113 "Remove all images from the article buffer."
2115 (gnus-with-article-buffer
2116 (dolist (elem gnus-article-image-alist
)
2117 (gnus-delete-images (car elem
)))))
2119 (defun gnus-article-treat-fold-newsgroups ()
2120 "Unfold folded message headers.
2121 Only the headers that fit into the current window width will be
2124 (gnus-with-article-headers
2125 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2127 (mail-header-narrow-to-field)
2128 (while (re-search-forward ", *" nil t
)
2129 (replace-match ", " t t
))
2130 (mail-header-fold-field)
2131 (goto-char (point-max))))))
2133 (defun gnus-article-treat-body-boundary ()
2134 "Place a boundary line at the end of the headers."
2136 (when (and gnus-body-boundary-delimiter
2137 (> (length gnus-body-boundary-delimiter
) 0))
2138 (gnus-with-article-headers
2139 (goto-char (point-max))
2140 (let ((start (point)))
2141 (insert "X-Boundary: ")
2142 (gnus-add-text-properties start
(point) '(invisible t intangible t
))
2144 (while (>= (1- (window-width)) (length str
))
2145 (setq str
(concat str gnus-body-boundary-delimiter
)))
2146 (substring str
0 (1- (window-width))))
2148 (gnus-put-text-property start
(point) 'gnus-decoration
'header
)))))
2150 (defun article-fill-long-lines ()
2151 "Fill lines that are wider than the window width."
2154 (let ((inhibit-read-only t
)
2155 (width (window-width (get-buffer-window (current-buffer)))))
2158 (let ((adaptive-fill-mode nil
)) ;Why? -sm
2161 (when (>= (current-column) (min fill-column width
))
2162 (narrow-to-region (min (1+ (point)) (point-max))
2163 (gnus-point-at-bol))
2164 (let ((goback (point-marker)))
2165 (fill-paragraph nil
)
2166 (goto-char (marker-position goback
)))
2168 (forward-line 1)))))))
2170 (defun article-capitalize-sentences ()
2171 "Capitalize the first word in each sentence."
2174 (let ((inhibit-read-only t
)
2175 (paragraph-start "^[\n\^L]"))
2179 (forward-sentence)))))
2181 (defun article-remove-cr ()
2182 "Remove trailing CRs and then translate remaining CRs into LFs."
2185 (let ((inhibit-read-only t
))
2186 (goto-char (point-min))
2187 (while (re-search-forward "\r+$" nil t
)
2188 (replace-match "" t t
))
2189 (goto-char (point-min))
2190 (while (search-forward "\r" nil t
)
2191 (replace-match "\n" t t
)))))
2193 (defun article-remove-trailing-blank-lines ()
2194 "Remove all trailing blank lines from the article."
2197 (let ((inhibit-read-only t
))
2198 (goto-char (point-max))
2202 (while (and (not (bobp))
2203 (looking-at "^[ \t]*$")
2204 (not (gnus-annotation-in-region-p
2205 (point) (gnus-point-at-eol))))
2210 (defun article-display-face ()
2211 "Display any Face headers in the header."
2213 (let ((wash-face-p buffer-read-only
))
2214 (gnus-with-article-headers
2215 ;; When displaying parts, this function can be called several times on
2216 ;; the same article, without any intended toggle semantic (as typing `W
2217 ;; D d' would have). So face deletion must occur only when we come from
2218 ;; an interactive command, that is when the *Article* buffer is
2220 (if (and wash-face-p
(memq 'face gnus-article-wash-types
))
2221 (gnus-delete-images 'face
)
2222 (let (face faces from
)
2223 (save-current-buffer
2224 (when (and wash-face-p
2225 (gnus-buffer-live-p gnus-original-article-buffer
)
2226 (not (re-search-forward "^Face:[\t ]*" nil t
)))
2227 (set-buffer gnus-original-article-buffer
))
2229 (mail-narrow-to-head)
2230 (while (gnus-article-goto-header "Face")
2231 (push (mail-header-field-value) faces
))))
2233 (goto-char (point-min))
2234 (let ((from (gnus-article-goto-header "from"))
2239 (insert "[no `from' set]\n"))
2241 (when (setq png
(gnus-convert-face-to-png (pop faces
)))
2242 (setq image
(gnus-create-image png
'png t
))
2244 (gnus-add-wash-type 'face
)
2245 (gnus-add-image 'face image
)
2246 (gnus-put-image image nil
'face
))))))))))
2248 (defun article-display-x-face (&optional force
)
2249 "Look for an X-Face header and display it if present."
2250 (interactive (list 'force
))
2251 (let ((wash-face-p buffer-read-only
)) ;; When type `W f'
2252 (gnus-with-article-headers
2253 ;; Delete the old process, if any.
2254 (when (process-status "article-x-face")
2255 (delete-process "article-x-face"))
2256 ;; See the comment in `article-display-face'.
2257 (if (and wash-face-p
(memq 'xface gnus-article-wash-types
))
2258 ;; We have already displayed X-Faces, so we remove them
2260 (gnus-delete-images 'xface
)
2262 (let (x-faces from face
)
2263 (save-current-buffer
2264 (when (and wash-face-p
2265 (gnus-buffer-live-p gnus-original-article-buffer
)
2266 (not (re-search-forward "^X-Face:[\t ]*" nil t
)))
2267 ;; If type `W f', use gnus-original-article-buffer,
2268 ;; otherwise use the current buffer because displaying
2269 ;; RFC822 parts calls this function too.
2270 (set-buffer gnus-original-article-buffer
))
2272 (mail-narrow-to-head)
2273 (while (gnus-article-goto-header "X-Face")
2274 (push (mail-header-field-value) x-faces
))
2275 (setq from
(message-fetch-field "from"))))
2276 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2277 ;; single external face.
2278 (when (stringp gnus-article-x-face-command
)
2279 (setq x-faces
(list (car x-faces
))))
2281 gnus-article-x-face-command
2283 ;; Check whether this face is censored.
2284 (not gnus-article-x-face-too-ugly
)
2286 (not (string-match gnus-article-x-face-too-ugly
2288 (while (setq face
(pop x-faces
))
2289 ;; We display the face.
2290 (cond ((stringp gnus-article-x-face-command
)
2291 ;; The command is a string, so we interpret the command
2292 ;; as a, well, command, and fork it off.
2293 (let ((process-connection-type nil
))
2294 (gnus-set-process-query-on-exit-flag
2296 "article-x-face" nil shell-file-name
2297 shell-command-switch gnus-article-x-face-command
)
2301 (process-send-region "article-x-face"
2302 (point-min) (point-max)))
2303 (process-send-eof "article-x-face")))
2304 ((functionp gnus-article-x-face-command
)
2305 ;; The command is a lisp function, so we call it.
2306 (funcall gnus-article-x-face-command face
))
2308 (error "%s is not a function"
2309 gnus-article-x-face-command
))))))))))
2311 (defun article-decode-mime-words ()
2312 "Decode all MIME-encoded words in the article."
2315 (set-buffer gnus-article-buffer
)
2316 (let ((inhibit-point-motion-hooks t
)
2317 (inhibit-read-only t
)
2318 (mail-parse-charset gnus-newsgroup-charset
)
2319 (mail-parse-ignored-charsets
2320 (save-excursion (set-buffer gnus-summary-buffer
)
2321 gnus-newsgroup-ignored-charsets
)))
2322 (mail-decode-encoded-word-region (point-min) (point-max)))))
2324 (defun article-decode-charset (&optional prompt
)
2325 "Decode charset-encoded text in the article.
2326 If PROMPT (the prefix), prompt for a coding system to use."
2328 (let ((inhibit-point-motion-hooks t
) (case-fold-search t
)
2329 (inhibit-read-only t
)
2330 (mail-parse-charset gnus-newsgroup-charset
)
2331 (mail-parse-ignored-charsets
2332 (save-excursion (condition-case nil
2333 (set-buffer gnus-summary-buffer
)
2335 gnus-newsgroup-ignored-charsets
))
2336 ct cte ctl charset format
)
2339 (article-narrow-to-head)
2340 (setq ct
(message-fetch-field "Content-Type" t
)
2341 cte
(message-fetch-field "Content-Transfer-Encoding" t
)
2342 ctl
(and ct
(mail-header-parse-content-type ct
))
2345 (mm-read-coding-system "Charset to decode: "))
2347 (mail-content-type-get ctl
'charset
)))
2348 format
(and ctl
(mail-content-type-get ctl
'format
)))
2350 (setq cte
(mail-header-strip cte
)))
2351 (if (and ctl
(not (string-match "/" (car ctl
))))
2353 (goto-char (point-max)))
2356 (narrow-to-region (point) (point-max))
2357 (when (and (eq mail-parse-charset
'gnus-decoded
)
2358 (eq (mm-body-7-or-8) '8bit
))
2359 ;; The text code could have been decoded.
2360 (setq charset mail-parse-charset
))
2361 (when (and (or (not ctl
)
2362 (equal (car ctl
) "text/plain"))
2363 (not format
)) ;; article with format will decode later.
2365 charset
(and cte
(intern (downcase
2366 (gnus-strip-whitespace cte
))))
2369 (defun article-decode-encoded-words ()
2370 "Remove encoded-word encoding from headers."
2371 (let ((inhibit-point-motion-hooks t
)
2372 (mail-parse-charset gnus-newsgroup-charset
)
2373 (mail-parse-ignored-charsets
2374 (save-excursion (condition-case nil
2375 (set-buffer gnus-summary-buffer
)
2377 gnus-newsgroup-ignored-charsets
))
2378 (inhibit-read-only t
)
2380 (goto-char (point-min))
2381 (when (search-forward "\n\n" nil
'move
)
2388 (memq (char-after) '(?
\t ?
)))))
2389 (setq start
(point))
2391 \\(?:Resent-\\)?\\(?:From\\|Cc\\|To\\|Bcc\\|\\(?:In-\\)?Reply-To\\|Sender\
2392 \\|Mail-Followup-To\\|Mail-Copies-To\\|Approved\\):")
2393 (funcall gnus-decode-address-function start end
)
2394 (funcall gnus-decode-header-function start end
))
2395 (goto-char (setq end start
)))))
2397 (defun article-decode-group-name ()
2398 "Decode group names in `Newsgroups:'."
2399 (let ((inhibit-point-motion-hooks t
)
2400 (inhibit-read-only t
)
2401 (method (gnus-find-method-for-group gnus-newsgroup-name
)))
2402 (when (and (or gnus-group-name-charset-method-alist
2403 gnus-group-name-charset-group-alist
)
2404 (gnus-buffer-live-p gnus-original-article-buffer
))
2406 (article-narrow-to-head)
2407 (with-current-buffer gnus-original-article-buffer
2408 (goto-char (point-min)))
2409 (while (re-search-forward
2410 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t
)
2411 (replace-match (save-match-data
2412 (gnus-decode-newsgroups
2413 ;; XXX how to use data in article buffer?
2414 (with-current-buffer gnus-original-article-buffer
2416 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2419 gnus-newsgroup-name method
))
2421 (goto-char (point-min))
2422 (with-current-buffer gnus-original-article-buffer
2423 (goto-char (point-min)))
2424 (while (re-search-forward
2425 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t
)
2426 (replace-match (save-match-data
2427 (gnus-decode-newsgroups
2428 ;; XXX how to use data in article buffer?
2429 (with-current-buffer gnus-original-article-buffer
2431 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2434 gnus-newsgroup-name method
))
2437 (autoload 'idna-to-unicode
"idna")
2439 (defun article-decode-idna-rhs ()
2440 "Decode IDNA strings in RHS in various headers in current buffer.
2441 The following headers are decoded: From:, To:, Cc:, Reply-To:,
2442 Mail-Reply-To: and Mail-Followup-To:."
2445 (let ((inhibit-point-motion-hooks t
)
2446 (inhibit-read-only t
))
2447 (article-narrow-to-head)
2448 (goto-char (point-min))
2449 (while (re-search-forward "@[^ \t\n\r,>]*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t
)
2451 (when (save-match-data
2452 (and (setq ace
(match-string 1))
2454 (and (re-search-backward "^[^ \t]" nil t
)
2455 (looking-at "From\\|To\\|Cc\\|Reply-To\\|Mail-Reply-To\\|Mail-Followup-To")))
2456 (setq unicode
(idna-to-unicode ace
))))
2457 (unless (string= ace unicode
)
2458 (replace-match unicode nil nil nil
1)))))))))
2460 (defun article-de-quoted-unreadable (&optional force read-charset
)
2461 "Translate a quoted-printable-encoded article.
2462 If FORCE, decode the article whether it is marked as quoted-printable
2464 If READ-CHARSET, ask for a coding system."
2465 (interactive (list 'force current-prefix-arg
))
2467 (let ((inhibit-read-only t
) type charset
)
2468 (if (gnus-buffer-live-p gnus-original-article-buffer
)
2469 (with-current-buffer gnus-original-article-buffer
2471 (gnus-fetch-field "content-transfer-encoding"))
2472 (let* ((ct (gnus-fetch-field "content-type"))
2473 (ctl (and ct
(mail-header-parse-content-type ct
))))
2474 (setq charset
(and ctl
2475 (mail-content-type-get ctl
'charset
)))
2476 (if (stringp charset
)
2477 (setq charset
(intern (downcase charset
)))))))
2479 (setq charset
(mm-read-coding-system "Charset: " charset
)))
2481 (setq charset gnus-newsgroup-charset
))
2483 (and type
(let ((case-fold-search t
))
2484 (string-match "quoted-printable" type
))))
2486 (quoted-printable-decode-region
2487 (point) (point-max) (mm-charset-to-coding-system charset
))))))
2489 (defun article-de-base64-unreadable (&optional force read-charset
)
2490 "Translate a base64 article.
2491 If FORCE, decode the article whether it is marked as base64 not.
2492 If READ-CHARSET, ask for a coding system."
2493 (interactive (list 'force current-prefix-arg
))
2495 (let ((inhibit-read-only t
) type charset
)
2496 (if (gnus-buffer-live-p gnus-original-article-buffer
)
2497 (with-current-buffer gnus-original-article-buffer
2499 (gnus-fetch-field "content-transfer-encoding"))
2500 (let* ((ct (gnus-fetch-field "content-type"))
2501 (ctl (and ct
(mail-header-parse-content-type ct
))))
2502 (setq charset
(and ctl
2503 (mail-content-type-get ctl
'charset
)))
2504 (if (stringp charset
)
2505 (setq charset
(intern (downcase charset
)))))))
2507 (setq charset
(mm-read-coding-system "Charset: " charset
)))
2509 (setq charset gnus-newsgroup-charset
))
2511 (and type
(let ((case-fold-search t
))
2512 (string-match "base64" type
))))
2515 (narrow-to-region (point) (point-max))
2516 (base64-decode-region (point-min) (point-max))
2517 (mm-decode-coding-region
2518 (point-min) (point-max) (mm-charset-to-coding-system charset
)))))))
2523 (defun article-decode-HZ ()
2524 "Translate a HZ-encoded article."
2528 (let ((inhibit-read-only t
))
2529 (rfc1843-decode-region (point-min) (point-max)))))
2531 (defun article-unsplit-urls ()
2532 "Remove the newlines that some other mailers insert into URLs."
2535 (let ((inhibit-read-only t
))
2536 (goto-char (point-min))
2537 (while (re-search-forward
2538 "\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t
)
2539 (replace-match "\\1\\3" t
)))
2540 (when (interactive-p)
2541 (gnus-treat-article nil
))))
2544 (defun article-wash-html (&optional read-charset
)
2545 "Format an HTML article.
2546 If READ-CHARSET, ask for a coding system. If it is a number, the
2547 charset defined in `gnus-summary-show-article-charset-alist' is used."
2550 (let ((inhibit-read-only t
)
2553 (if (or (and (numberp read-charset
)
2557 gnus-summary-show-article-charset-alist
))))
2558 (setq charset
(mm-read-coding-system "Charset: ")))
2559 (let ((gnus-summary-show-article-charset-alist
2560 (list (cons 1 charset
))))
2561 (with-current-buffer gnus-summary-buffer
2562 (gnus-summary-show-article 1)))
2563 (error "No charset is given"))
2564 (when (gnus-buffer-live-p gnus-original-article-buffer
)
2565 (with-current-buffer gnus-original-article-buffer
2566 (let* ((ct (gnus-fetch-field "content-type"))
2567 (ctl (and ct
(mail-header-parse-content-type ct
))))
2568 (setq charset
(and ctl
2569 (mail-content-type-get ctl
'charset
)))
2570 (when (stringp charset
)
2571 (setq charset
(intern (downcase charset
)))))))
2573 (setq charset gnus-newsgroup-charset
)))
2575 (save-window-excursion
2577 (narrow-to-region (point) (point-max))
2578 (let* ((func (or gnus-article-wash-function mm-text-html-renderer
))
2579 (entry (assq func mm-text-html-washer-alist
)))
2581 (setq func
(cdr entry
)))
2586 (apply (car func
) (cdr func
))))))))))
2588 (defun gnus-article-wash-html-with-w3 ()
2589 "Wash the current buffer with w3."
2591 (let ((w3-strict-width (window-width))
2592 (url-standalone-mode t
)
2593 (url-gateway-unplugged t
)
2594 (w3-honor-stylesheets nil
))
2596 (w3-region (point-min) (point-max))
2599 (defun gnus-article-wash-html-with-w3m ()
2600 "Wash the current buffer with emacs-w3m."
2602 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp
)
2603 w3m-force-redisplay
)
2604 (w3m-region (point-min) (point-max)))
2605 (when (and mm-inline-text-html-with-w3m-keymap
2606 (boundp 'w3m-minor-mode-map
)
2608 (add-text-properties
2609 (point-min) (point-max)
2610 (list 'keymap w3m-minor-mode-map
2611 ;; Put the mark meaning this part was rendered by emacs-w3m.
2612 'mm-inline-text-html-with-w3m t
))))
2614 (eval-when-compile (defvar charset
)) ;; Bound by `article-wash-html'.
2616 (defun gnus-article-wash-html-with-w3m-standalone ()
2617 "Wash the current buffer with w3m."
2618 (if (mm-w3m-standalone-supports-m17n-p)
2620 (unless (mm-coding-system-p charset
) ;; Bound by `article-wash-html'.
2622 (setq charset
'iso-8859-1
))
2623 (let ((coding-system-for-write charset
)
2624 (coding-system-for-read charset
))
2625 (call-process-region
2626 (point-min) (point-max)
2627 "w3m" t t nil
"-dump" "-T" "text/html"
2628 "-I" (symbol-name charset
) "-O" (symbol-name charset
))))
2629 (mm-inline-wash-with-stdin nil
"w3m" "-dump" "-T" "text/html")))
2631 (defun article-hide-list-identifiers ()
2632 "Remove list identifies from the Subject header.
2633 The `gnus-list-identifiers' variable specifies what to do."
2635 (let ((inhibit-point-motion-hooks t
)
2636 (regexp (if (consp gnus-list-identifiers
)
2637 (mapconcat 'identity gnus-list-identifiers
" *\\|")
2638 gnus-list-identifiers
))
2639 (inhibit-read-only t
))
2643 (article-narrow-to-head)
2644 (goto-char (point-min))
2645 (while (re-search-forward
2646 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp
" *\\)")
2648 (delete-region (match-beginning 2) (match-end 0))
2649 (beginning-of-line))
2650 (when (re-search-forward
2651 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t
)
2652 (delete-region (match-beginning 1) (match-end 1))))))))
2654 (defun article-hide-pem (&optional arg
)
2655 "Toggle hiding of any PEM headers and signatures in the current article.
2656 If given a negative prefix, always show; if given a positive prefix,
2658 (interactive (gnus-article-hidden-arg))
2659 (unless (gnus-article-check-hidden-text 'pem arg
)
2661 (let ((inhibit-read-only t
) end
)
2662 (goto-char (point-min))
2663 ;; Hide the horrendously ugly "header".
2664 (when (and (search-forward
2665 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2667 (setq end
(1+ (match-beginning 0))))
2668 (gnus-add-wash-type 'pem
)
2669 (gnus-article-hide-text-type
2671 (if (search-forward "\n\n" nil t
)
2675 ;; Hide the trailer as well
2676 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2678 (gnus-article-hide-text-type
2679 (match-beginning 0) (match-end 0) 'pem
)))))))
2681 (defun article-strip-banner ()
2682 "Strip the banners specified by the `banner' group parameter and by
2683 `gnus-article-address-banner-alist'."
2687 (let ((inhibit-point-motion-hooks t
))
2688 (when (gnus-parameter-banner gnus-newsgroup-name
)
2689 (article-really-strip-banner
2690 (gnus-parameter-banner gnus-newsgroup-name
)))
2691 (when gnus-article-address-banner-alist
2692 ;; Note that the From header is decoded here, so it is
2693 ;; required that the *-extract-address-components function
2694 ;; supports non-ASCII text.
2695 (let ((from (save-restriction
2697 (article-narrow-to-head)
2698 (mail-fetch-field "from"))))
2701 (cadr (funcall gnus-extract-address-components
2704 (dolist (pair gnus-article-address-banner-alist
)
2705 (when (string-match (car pair
) from
)
2707 (article-really-strip-banner (cdr pair
)))))))))))))
2709 (defun article-really-strip-banner (banner)
2710 "Strip the banner specified by the argument."
2713 (let ((inhibit-point-motion-hooks t
)
2714 (gnus-signature-limit nil
)
2715 (inhibit-read-only t
))
2718 ((eq banner
'signature
)
2719 (when (gnus-article-narrow-to-signature)
2722 (delete-region (point) (point-max))))
2724 (if (setq banner
(cdr (assq banner gnus-article-banner-alist
)))
2725 (while (re-search-forward banner nil t
)
2726 (delete-region (match-beginning 0) (match-end 0)))))
2728 (while (re-search-forward banner nil t
)
2729 (delete-region (match-beginning 0) (match-end 0)))))))))
2731 (defun article-babel ()
2732 "Translate article using an online translation service."
2736 (set-buffer gnus-article-buffer
)
2737 (when (article-goto-body)
2738 (let* ((inhibit-read-only t
)
2741 (orig (buffer-substring start end
))
2742 (trans (babel-as-string orig
)))
2744 (narrow-to-region start end
)
2745 (delete-region start end
)
2748 (defun article-hide-signature (&optional arg
)
2749 "Hide the signature in the current article.
2750 If given a negative prefix, always show; if given a positive prefix,
2752 (interactive (gnus-article-hidden-arg))
2753 (unless (gnus-article-check-hidden-text 'signature arg
)
2756 (let ((inhibit-read-only t
))
2757 (when (gnus-article-narrow-to-signature)
2758 (gnus-article-hide-text-type
2759 (point-min) (point-max) 'signature
))))))
2760 (gnus-set-mode-line 'article
))
2762 (defun article-strip-headers-in-body ()
2763 "Strip offensive headers from bodies."
2767 (let ((case-fold-search t
))
2768 (when (looking-at "x-no-archive:")
2769 (gnus-delete-line)))))
2771 (defun article-strip-leading-blank-lines ()
2772 "Remove all blank lines from the beginning of the article."
2775 (let ((inhibit-point-motion-hooks t
)
2776 (inhibit-read-only t
))
2777 (when (article-goto-body)
2778 (while (and (not (eobp))
2779 (looking-at "[ \t]*$"))
2780 (gnus-delete-line))))))
2782 (defun article-narrow-to-head ()
2783 "Narrow the buffer to the head of the message.
2784 Point is left at the beginning of the narrowed-to region."
2786 (goto-char (point-min))
2787 (if (search-forward "\n\n" nil
1)
2790 (goto-char (point-min)))
2792 (defun article-goto-body ()
2793 "Place point at the start of the body."
2794 (goto-char (point-min))
2796 ;; This variable is only bound when dealing with separate
2798 (article-goto-body-goes-to-point-min-p
2800 ((search-forward "\n\n" nil t
)
2803 (goto-char (point-max))
2806 (defun article-strip-multiple-blank-lines ()
2807 "Replace consecutive blank lines with one empty line."
2810 (let ((inhibit-point-motion-hooks t
)
2811 (inhibit-read-only t
))
2812 ;; First make all blank lines empty.
2814 (while (re-search-forward "^[ \t]+$" nil t
)
2815 (unless (gnus-annotation-in-region-p
2816 (match-beginning 0) (match-end 0))
2817 (replace-match "" nil t
)))
2818 ;; Then replace multiple empty lines with a single empty line.
2820 (while (re-search-forward "\n\n\\(\n+\\)" nil t
)
2821 (unless (gnus-annotation-in-region-p
2822 (match-beginning 0) (match-end 0))
2823 (delete-region (match-beginning 1) (match-end 1)))))))
2825 (defun article-strip-leading-space ()
2826 "Remove all white space from the beginning of the lines in the article."
2829 (let ((inhibit-point-motion-hooks t
)
2830 (inhibit-read-only t
))
2832 (while (re-search-forward "^[ \t]+" nil t
)
2833 (replace-match "" t t
)))))
2835 (defun article-strip-trailing-space ()
2836 "Remove all white space from the end of the lines in the article."
2839 (let ((inhibit-point-motion-hooks t
)
2840 (inhibit-read-only t
))
2842 (while (re-search-forward "[ \t]+$" nil t
)
2843 (replace-match "" t t
)))))
2845 (defun article-strip-blank-lines ()
2846 "Strip leading, trailing and multiple blank lines."
2848 (article-strip-leading-blank-lines)
2849 (article-remove-trailing-blank-lines)
2850 (article-strip-multiple-blank-lines))
2852 (defun article-strip-all-blank-lines ()
2853 "Strip all blank lines."
2856 (let ((inhibit-point-motion-hooks t
)
2857 (inhibit-read-only t
))
2859 (while (re-search-forward "^[ \t]*\n" nil t
)
2860 (replace-match "" t t
)))))
2862 (defun gnus-article-narrow-to-signature ()
2863 "Narrow to the signature; return t if a signature is found, else nil."
2864 (let ((inhibit-point-motion-hooks t
))
2865 (when (gnus-article-search-signature)
2867 ;; Check whether we have some limits to what we consider
2868 ;; to be a signature.
2869 (let ((limits (if (listp gnus-signature-limit
) gnus-signature-limit
2870 (list gnus-signature-limit
)))
2872 (while (setq limit
(pop limits
))
2873 (if (or (and (integerp limit
)
2874 (< (- (point-max) (point)) limit
))
2876 (< (count-lines (point) (point-max)) limit
))
2877 (and (functionp limit
)
2879 (and (stringp limit
)
2880 (not (re-search-forward limit nil t
))))
2881 () ; This limit did not succeed.
2885 (narrow-to-region (point) (point-max))
2888 (defun gnus-article-search-signature ()
2889 "Search the current buffer for the signature separator.
2890 Put point at the beginning of the signature separator."
2891 (let ((cur (point)))
2892 (goto-char (point-max))
2893 (if (if (stringp gnus-signature-separator
)
2894 (re-search-backward gnus-signature-separator nil t
)
2895 (let ((seps gnus-signature-separator
))
2897 (not (re-search-backward (car seps
) nil t
)))
2904 (defun gnus-article-hidden-arg ()
2905 "Return the current prefix arg as a number, or 0 if no prefix."
2906 (list (if current-prefix-arg
2907 (prefix-numeric-value current-prefix-arg
)
2910 (defun gnus-article-check-hidden-text (type arg
)
2911 "Return nil if hiding is necessary.
2912 Arg can be nil or a number. nil and positive means hide, negative
2913 means show, 0 means toggle."
2916 (let ((hide (gnus-article-hidden-text-p type
)))
2922 (gnus-article-show-hidden-text type
)
2925 (if (eq hide
'hidden
)
2927 (gnus-article-show-hidden-text type
)
2931 (defun gnus-article-hidden-text-p (type)
2932 "Say whether the current buffer contains hidden text of type TYPE."
2933 (let ((pos (text-property-any (point-min) (point-max) 'article-type type
)))
2935 (not (get-text-property pos
'invisible
))
2936 (not (get-text-property pos
'dummy-invisible
)))
2938 (text-property-any (1+ pos
) (point-max) 'article-type type
)))
2943 (defun gnus-article-show-hidden-text (type &optional dummy
)
2944 "Show all hidden text of type TYPE.
2945 Originally it is hide instead of DUMMY."
2946 (let ((inhibit-read-only t
)
2947 (inhibit-point-motion-hooks t
))
2948 (gnus-remove-text-properties-when
2950 (point-min) (point-max)
2951 (cons 'article-type
(cons type
2952 gnus-hidden-properties
)))
2953 (gnus-delete-wash-type type
)))
2955 (defconst article-time-units
2956 `((year .
,(* 365.25 24 60 60))
2957 (week .
,(* 7 24 60 60))
2958 (day .
,(* 24 60 60))
2962 "Mapping from time units to seconds.")
2964 (defun gnus-article-forward-header ()
2965 "Move point to the start of the next header.
2966 If the current header is a continuation header, this can be several
2971 (if (looking-at "[ \t]+[^ \t]")
2975 (defun article-date-ut (&optional type highlight
)
2976 "Convert DATE date to universal time in the current article.
2977 If TYPE is `local', convert to local time; if it is `lapsed', output
2978 how much time has lapsed since DATE. For `lapsed', the value of
2979 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2980 should replace the \"Date:\" one, or should be added below it."
2981 (interactive (list 'ut t
))
2982 (let* ((tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
2983 (date-regexp (cond ((not gnus-article-date-lapsed-new-header
)
2987 (article-lapsed-timer
2991 (case-fold-search t
)
2992 (inhibit-read-only t
)
2993 (inhibit-point-motion-hooks t
)
2994 pos date bface eface
)
2998 (goto-char (point-min))
2999 (while (or (setq date
(get-text-property (setq pos
(point))
3001 (when (setq pos
(next-single-property-change
3002 (point) 'original-date
))
3003 (setq date
(get-text-property pos
'original-date
))
3005 (narrow-to-region pos
(or (text-property-any pos
(point-max)
3008 (goto-char (point-min))
3009 (when (re-search-forward tdate-regexp nil t
)
3010 (setq bface
(get-text-property (gnus-point-at-bol) 'face
)
3011 eface
(get-text-property (1- (gnus-point-at-eol)) 'face
)))
3012 (goto-char (point-min))
3014 ;; Delete any old Date headers.
3015 (while (re-search-forward date-regexp nil t
)
3017 (delete-region (gnus-point-at-bol)
3019 (gnus-article-forward-header)
3021 (delete-region (gnus-point-at-bol)
3023 (gnus-article-forward-header)
3026 (setq pos
(point))))
3027 (when (and (not pos
)
3028 (re-search-forward tdate-regexp nil t
))
3030 (gnus-goto-char pos
)
3031 (insert (article-make-date-line date
(or type
'ut
)))
3037 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
3038 (put-text-property (match-beginning 1) (1+ (match-end 1))
3040 (put-text-property (match-beginning 2) (match-end 2)
3042 (put-text-property (point-min) (1- (point-max)) 'original-date date
)
3043 (goto-char (point-max))
3046 (defun article-make-date-line (date type
)
3047 "Return a DATE line of TYPE."
3048 (unless (memq type
'(local ut original user iso8601 lapsed english
))
3049 (error "Unknown conversion type: %s" type
))
3051 (let ((time (date-to-time date
)))
3053 ;; Convert to the local timezone.
3055 (let ((tz (car (current-time-zone time
))))
3056 (format "Date: %s %s%02d%02d" (current-time-string time
)
3057 (if (> tz
0) "+" "-") (/ (abs tz
) 3600)
3058 (/ (%
(abs tz
) 3600) 60))))
3059 ;; Convert to Universal Time.
3062 (current-time-string
3063 (let* ((e (parse-time-string date
))
3064 (tm (apply 'encode-time e
))
3066 (ls (- (cadr tm
) (car (current-time-zone time
)))))
3067 (cond ((< ls
0) (list (1- ms
) (+ ls
65536)))
3068 ((> ls
65535) (list (1+ ms
) (- ls
65536)))
3071 ;; Get the original date from the article.
3072 ((eq type
'original
)
3073 (concat "Date: " (if (string-match "\n+$" date
)
3074 (substring date
0 (match-beginning 0))
3076 ;; Let the user define the format.
3078 (let ((format (or (condition-case nil
3079 (with-current-buffer gnus-summary-buffer
3080 gnus-article-time-format
)
3082 gnus-article-time-format
)))
3083 (if (functionp format
)
3084 (funcall format time
)
3085 (concat "Date: " (format-time-string format time
)))))
3088 (let ((tz (car (current-time-zone time
))))
3091 (format-time-string "%Y%m%dT%H%M%S" time
)
3092 (format "%s%02d%02d"
3093 (if (> tz
0) "+" "-") (/ (abs tz
) 3600)
3094 (/ (%
(abs tz
) 3600) 60)))))
3095 ;; Do an X-Sent lapsed format.
3097 ;; If the date is seriously mangled, the timezone functions are
3098 ;; liable to bug out, so we ignore all errors.
3099 (let* ((now (current-time))
3100 (real-time (subtract-time now time
))
3101 (real-sec (and real-time
3102 (+ (* (float (car real-time
)) 65536)
3104 (sec (and real-time
(abs real-sec
)))
3114 ;; This is a bit convoluted, but basically we go
3115 ;; through the time units for years, weeks, etc,
3116 ;; and divide things to see whether that results
3117 ;; in positive answers.
3120 (if (zerop (setq num
(ffloor (/ sec
(cdr unit
)))))
3121 ;; The (remaining) seconds are too few to
3122 ;; be divided into this time unit.
3124 ;; It's big enough, so we output it.
3125 (setq sec
(- sec
(* num
(cdr unit
))))
3127 (concat (if prev
", " "") (int-to-string
3129 " " (symbol-name (car unit
))
3130 (if (> num
1) "s" ""))
3132 article-time-units
"")
3133 ;; If dates are odd, then it might appear like the
3134 ;; article was sent in the future.
3137 " in the future"))))))
3138 ;; Display the date in proper English
3140 (let ((dtime (decode-time time
)))
3143 (number-to-string (nth 3 dtime
))
3144 (let ((digit (%
(nth 3 dtime
) 10)))
3146 ((memq (nth 3 dtime
) '(11 12 13)) "th")
3152 (nth (1- (nth 4 dtime
)) gnus-english-month-names
)
3154 (number-to-string (nth 5 dtime
))
3156 (format "%02d" (nth 2 dtime
))
3158 (format "%02d" (nth 1 dtime
)))))))
3160 (format "Date: %s (from Gnus)" date
))))
3162 (defun article-date-local (&optional highlight
)
3163 "Convert the current article date to the local timezone."
3164 (interactive (list t
))
3165 (article-date-ut 'local highlight
))
3167 (defun article-date-english (&optional highlight
)
3168 "Convert the current article date to something that is proper English."
3169 (interactive (list t
))
3170 (article-date-ut 'english highlight
))
3172 (defun article-date-original (&optional highlight
)
3173 "Convert the current article date to what it was originally.
3174 This is only useful if you have used some other date conversion
3175 function and want to see what the date was before converting."
3176 (interactive (list t
))
3177 (article-date-ut 'original highlight
))
3179 (defun article-date-lapsed (&optional highlight
)
3180 "Convert the current article date to time lapsed since it was sent."
3181 (interactive (list t
))
3182 (article-date-ut 'lapsed highlight
))
3184 (defun article-update-date-lapsed ()
3185 "Function to be run from a timer to update the lapsed time line."
3187 (let (deactivate-mark)
3192 (set-buffer (window-buffer w
))
3193 (when (eq major-mode
'gnus-article-mode
)
3194 (let ((mark (point-marker)))
3195 (goto-char (point-min))
3196 (when (re-search-forward "^X-Sent:" nil t
)
3197 (article-date-lapsed t
))
3198 (goto-char (marker-position mark
))
3199 (move-marker mark nil
))))
3202 (defun gnus-start-date-timer (&optional n
)
3203 "Start a timer to update the X-Sent header in the article buffers.
3204 The numerical prefix says how frequently (in seconds) the function
3209 (gnus-stop-date-timer)
3210 (setq article-lapsed-timer
3211 (nnheader-run-at-time 1 n
'article-update-date-lapsed
)))
3213 (defun gnus-stop-date-timer ()
3214 "Stop the X-Sent timer."
3216 (when article-lapsed-timer
3217 (nnheader-cancel-timer article-lapsed-timer
)
3218 (setq article-lapsed-timer nil
)))
3220 (defun article-date-user (&optional highlight
)
3221 "Convert the current article date to the user-defined format.
3222 This format is defined by the `gnus-article-time-format' variable."
3223 (interactive (list t
))
3224 (article-date-ut 'user highlight
))
3226 (defun article-date-iso8601 (&optional highlight
)
3227 "Convert the current article date to ISO8601."
3228 (interactive (list t
))
3229 (article-date-ut 'iso8601 highlight
))
3231 (defmacro gnus-article-save-original-date
(&rest forms
)
3232 "Save the original date as a text property and evaluate FORMS."
3233 `(let* ((case-fold-search t
)
3235 (goto-char (point-min))
3236 (when (and (re-search-forward "^date:[\t\n ]+" nil t
)
3239 (date (when (and start
3240 (re-search-forward "[\t ]*\n\\([^\t ]\\|\\'\\)"
3242 (buffer-substring-no-properties start
3243 (match-beginning 0)))))
3244 (goto-char (point-max))
3245 (skip-chars-backward "\n")
3246 (put-text-property (point-min) (point) 'original-date date
)
3248 (goto-char (point-max))
3249 (skip-chars-backward "\n")
3250 (put-text-property (point-min) (point) 'original-date date
)))
3252 ;; (defun article-show-all ()
3253 ;; "Show all hidden text in the article buffer."
3256 ;; (let ((inhibit-read-only t))
3257 ;; (gnus-article-unhide-text (point-min) (point-max)))))
3259 (defun article-remove-leading-whitespace ()
3260 "Remove excessive whitespace from all headers."
3264 (let ((inhibit-read-only t
))
3265 (article-narrow-to-head)
3266 (goto-char (point-min))
3267 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t
)
3268 (delete-region (match-beginning 1) (match-end 1)))))))
3270 (defun article-emphasize (&optional arg
)
3271 "Emphasize text according to `gnus-emphasis-alist'."
3272 (interactive (gnus-article-hidden-arg))
3273 (unless (gnus-article-check-hidden-text 'emphasis arg
)
3277 (with-current-buffer gnus-summary-buffer
3278 gnus-article-emphasis-alist
)
3280 gnus-emphasis-alist
))
3281 (inhibit-read-only t
)
3282 (props (append '(article-type emphasis
)
3283 gnus-hidden-properties
))
3284 regexp elem beg invisible visible face
)
3287 (while (setq elem
(pop alist
))
3289 (setq regexp
(car elem
)
3290 invisible
(nth 1 elem
)
3291 visible
(nth 2 elem
)
3293 (while (re-search-forward regexp nil t
)
3294 (when (and (match-beginning visible
) (match-beginning invisible
))
3295 (gnus-article-hide-text
3296 (match-beginning invisible
) (match-end invisible
) props
)
3297 (gnus-article-unhide-text-type
3298 (match-beginning visible
) (match-end visible
) 'emphasis
)
3299 (gnus-put-overlay-excluding-newlines
3300 (match-beginning visible
) (match-end visible
) 'face face
)
3301 (gnus-add-wash-type 'emphasis
)
3302 (goto-char (match-end invisible
)))))))))
3304 (defun gnus-article-setup-highlight-words (&optional highlight-words
)
3305 "Setup newsgroup emphasis alist."
3306 (unless gnus-article-emphasis-alist
3307 (let ((name (and gnus-newsgroup-name
3308 (gnus-group-real-name gnus-newsgroup-name
))))
3309 (make-local-variable 'gnus-article-emphasis-alist
)
3310 (setq gnus-article-emphasis-alist
3312 (let ((alist gnus-group-highlight-words-alist
) elem highlight
)
3313 (while (setq elem
(pop alist
))
3314 (when (and name
(string-match (car elem
) name
))
3316 highlight
(copy-sequence (cdr elem
)))))
3318 (copy-sequence highlight-words
)
3319 (if gnus-newsgroup-name
3320 (copy-sequence (gnus-group-find-parameter
3321 gnus-newsgroup-name
'highlight-words t
)))
3322 gnus-emphasis-alist
)))))
3325 (defvar gnus-summary-article-menu
)
3326 (defvar gnus-summary-post-menu
))
3328 ;;; Saving functions.
3330 (defun gnus-article-save (save-buffer file
&optional num
)
3331 "Save the currently selected article."
3332 (when (or (get gnus-default-article-saver
:headers
)
3333 (not gnus-save-all-headers
))
3334 ;; Remove headers according to `gnus-saved-headers' or the value
3335 ;; of the `:headers' property that the saver function might have.
3336 (let ((gnus-visible-headers
3337 (or (symbol-value (get gnus-default-article-saver
:headers
))
3338 gnus-saved-headers gnus-visible-headers
))
3339 (gnus-article-buffer save-buffer
))
3341 (set-buffer save-buffer
)
3342 (article-hide-headers 1 t
))))
3343 (save-window-excursion
3344 (if (not gnus-default-article-saver
)
3345 (error "No default saver is defined")
3346 ;; !!! Magic! The saving functions all save
3347 ;; `gnus-save-article-buffer' (or so they think), but we
3348 ;; bind that variable to our save-buffer.
3349 (set-buffer gnus-article-buffer
)
3350 (let* ((gnus-save-article-buffer save-buffer
)
3353 ((not gnus-prompt-before-saving
) 'default
)
3354 ((eq gnus-prompt-before-saving
'always
) nil
)
3356 (gnus-number-of-articles-to-be-saved
3357 (when (eq gnus-prompt-before-saving t
)
3359 (set-buffer gnus-article-current-summary
)
3360 (funcall gnus-default-article-saver filename
)))))
3362 (defun gnus-read-save-file-name (prompt &optional filename
3363 function group headers variable
3366 (funcall function group headers
(symbol-value variable
)))
3371 ((eq filename
'default
)
3377 (when (symbol-value dir-var
)
3378 (setq default-name
(expand-file-name
3379 (file-name-nondirectory default-name
)
3380 (symbol-value dir-var
))))
3381 (let* ((split-name (gnus-get-split-value gnus-split-methods
))
3384 (if (and gnus-number-of-articles-to-be-saved
3385 (> gnus-number-of-articles-to-be-saved
1))
3386 (format "these %d articles"
3387 gnus-number-of-articles-to-be-saved
)
3390 ;; Let the split methods have their say.
3392 ;; No split name was found.
3395 (concat prompt
" (default "
3396 (file-name-nondirectory default-name
) "): ")
3397 (file-name-directory default-name
)
3399 ;; A single group name is returned.
3400 ((stringp split-name
)
3402 (funcall function split-name headers
3403 (symbol-value variable
)))
3405 (concat prompt
" (default "
3406 (file-name-nondirectory default-name
) "): ")
3407 (file-name-directory default-name
)
3409 ;; A single split name was found
3410 ((= 1 (length split-name
))
3411 (let* ((name (expand-file-name
3413 gnus-article-save-directory
))
3414 (dir (cond ((file-directory-p name
)
3415 (file-name-as-directory name
))
3416 ((file-exists-p name
) name
)
3417 (t gnus-article-save-directory
))))
3419 (concat prompt
" (default " name
"): ")
3421 ;; A list of splits was found.
3423 (setq split-name
(nreverse split-name
))
3425 (let ((file-name-history
3426 (nconc split-name file-name-history
)))
3430 (concat prompt
" (`M-p' for defaults): ")
3431 gnus-article-save-directory
3433 gnus-article-save-directory
)))
3434 (car (push result file-name-history
)))))))
3435 ;; Create the directory.
3436 (gnus-make-directory (file-name-directory file
))
3437 ;; If we have read a directory, we append the default file name.
3438 (when (file-directory-p file
)
3439 (setq file
(expand-file-name (file-name-nondirectory
3441 (file-name-as-directory file
))))
3442 ;; Possibly translate some characters.
3443 (nnheader-translate-file-chars file
))))))
3444 (gnus-make-directory (file-name-directory result
))
3446 (set variable result
))
3448 (set dir-var
(file-name-directory result
)))
3451 (defun gnus-article-archive-name (group)
3452 "Return the first instance of an \"Archive-name\" in the current buffer."
3453 (let ((case-fold-search t
))
3454 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t
)
3455 (nnheader-concat gnus-article-save-directory
3456 (match-string 1)))))
3458 (defun gnus-article-nndoc-name (group)
3459 "If GROUP is an nndoc group, return the name of the parent group."
3460 (when (eq (car (gnus-find-method-for-group group
)) 'nndoc
)
3461 (gnus-group-get-parameter group
'save-article-group
)))
3463 (defun gnus-summary-save-in-rmail (&optional filename
)
3464 "Append this article to Rmail file.
3465 Optional argument FILENAME specifies file name.
3466 Directory to save to is default to `gnus-article-save-directory'."
3467 (setq filename
(gnus-read-save-file-name
3468 "Save %s in rmail file" filename
3469 gnus-rmail-save-name gnus-newsgroup-name
3470 gnus-current-headers
'gnus-newsgroup-last-rmail
))
3471 (gnus-eval-in-buffer-window gnus-save-article-buffer
3475 (gnus-output-to-rmail filename
))))
3478 (defun gnus-summary-save-in-mail (&optional filename
)
3479 "Append this article to Unix mail file.
3480 Optional argument FILENAME specifies file name.
3481 Directory to save to is default to `gnus-article-save-directory'."
3482 (setq filename
(gnus-read-save-file-name
3483 "Save %s in Unix mail file" filename
3484 gnus-mail-save-name gnus-newsgroup-name
3485 gnus-current-headers
'gnus-newsgroup-last-mail
))
3486 (gnus-eval-in-buffer-window gnus-save-article-buffer
3490 (if (and (file-readable-p filename
)
3491 (file-regular-p filename
)
3492 (mail-file-babyl-p filename
))
3493 (rmail-output-to-rmail-file filename t
)
3494 (gnus-output-to-mail filename
)))))
3497 (put 'gnus-summary-save-in-file
:decode t
)
3498 (put 'gnus-summary-save-in-file
:headers
'gnus-saved-headers
)
3499 (defun gnus-summary-save-in-file (&optional filename overwrite
)
3500 "Append this article to file.
3501 Optional argument FILENAME specifies file name.
3502 Directory to save to is default to `gnus-article-save-directory'."
3503 (setq filename
(gnus-read-save-file-name
3504 "Save %s in file" filename
3505 gnus-file-save-name gnus-newsgroup-name
3506 gnus-current-headers
'gnus-newsgroup-last-file
))
3507 (gnus-eval-in-buffer-window gnus-save-article-buffer
3511 (when (and overwrite
3512 (file-exists-p filename
))
3513 (delete-file filename
))
3514 (gnus-output-to-file filename
))))
3517 (put 'gnus-summary-write-to-file
:decode t
)
3518 (put 'gnus-summary-write-to-file
:function
'gnus-summary-save-in-file
)
3519 (put 'gnus-summary-write-to-file
:headers
'gnus-saved-headers
)
3520 (defun gnus-summary-write-to-file (&optional filename
)
3521 "Write this article to a file, overwriting it if the file exists.
3522 Optional argument FILENAME specifies file name.
3523 The directory to save in defaults to `gnus-article-save-directory'."
3524 (setq filename
(gnus-read-save-file-name
3525 "Save %s in file" filename
3526 gnus-file-save-name gnus-newsgroup-name
3527 gnus-current-headers nil
'gnus-newsgroup-last-directory
))
3528 (gnus-summary-save-in-file filename t
))
3530 (put 'gnus-summary-save-body-in-file
:decode t
)
3531 (defun gnus-summary-save-body-in-file (&optional filename overwrite
)
3532 "Append this article body to a file.
3533 Optional argument FILENAME specifies file name.
3534 The directory to save in defaults to `gnus-article-save-directory'."
3535 (setq filename
(gnus-read-save-file-name
3536 "Save %s body in file" filename
3537 gnus-file-save-name gnus-newsgroup-name
3538 gnus-current-headers
'gnus-newsgroup-last-file
))
3539 (gnus-eval-in-buffer-window gnus-save-article-buffer
3543 (when (article-goto-body)
3544 (narrow-to-region (point) (point-max)))
3545 (when (and overwrite
3546 (file-exists-p filename
))
3547 (delete-file filename
))
3548 (gnus-output-to-file filename
))))
3551 (put 'gnus-summary-write-body-to-file
:decode t
)
3552 (put 'gnus-summary-write-body-to-file
3553 :function
'gnus-summary-save-body-in-file
)
3554 (defun gnus-summary-write-body-to-file (&optional filename
)
3555 "Write this article body to a file, overwriting it if the file exists.
3556 Optional argument FILENAME specifies file name.
3557 The directory to save in defaults to `gnus-article-save-directory'."
3558 (setq filename
(gnus-read-save-file-name
3559 "Save %s body in file" filename
3560 gnus-file-save-name gnus-newsgroup-name
3561 gnus-current-headers nil
'gnus-newsgroup-last-directory
))
3562 (gnus-summary-save-body-in-file filename t
))
3564 (defun gnus-summary-save-in-pipe (&optional command
)
3565 "Pipe this article to subprocess."
3567 (cond ((and (eq command
'default
)
3568 gnus-last-shell-command
)
3569 gnus-last-shell-command
)
3574 "Shell command on %s: "
3575 (if (and gnus-number-of-articles-to-be-saved
3576 (> gnus-number-of-articles-to-be-saved
1))
3577 (format "these %d articles"
3578 gnus-number-of-articles-to-be-saved
)
3580 gnus-last-shell-command
))))
3581 (when (string-equal command
"")
3582 (if gnus-last-shell-command
3583 (setq command gnus-last-shell-command
)
3584 (error "A command is required")))
3585 (gnus-eval-in-buffer-window gnus-article-buffer
3588 (shell-command-on-region (point-min) (point-max) command nil
)))
3589 (setq gnus-last-shell-command command
))
3591 (defmacro gnus-read-string
(prompt &optional initial-contents history
3593 "Like `read-string' but allow for older XEmacsen that don't have the 5th arg."
3594 (if (and (featurep 'xemacs
)
3595 (< emacs-minor-version
2))
3596 `(read-string ,prompt
,initial-contents
,history
)
3597 `(read-string ,prompt
,initial-contents
,history
,default-value
)))
3599 (defun gnus-summary-pipe-to-muttprint (&optional command
)
3600 "Pipe this article to muttprint."
3601 (setq command
(gnus-read-string
3602 "Print using command: " gnus-summary-muttprint-program
3603 nil gnus-summary-muttprint-program
))
3604 (gnus-summary-save-in-pipe command
))
3606 ;;; Article file names when saving.
3608 (defun gnus-capitalize-newsgroup (newsgroup)
3609 "Capitalize NEWSGROUP name."
3610 (when (not (zerop (length newsgroup
)))
3611 (concat (char-to-string (upcase (aref newsgroup
0)))
3612 (substring newsgroup
1))))
3614 (defun gnus-Numeric-save-name (newsgroup headers
&optional last-file
)
3615 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3616 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3617 Otherwise, it is like ~/News/news/group/num."
3620 (concat (if (gnus-use-long-file-name 'not-save
)
3621 (gnus-capitalize-newsgroup newsgroup
)
3622 (gnus-newsgroup-directory-form newsgroup
))
3623 "/" (int-to-string (mail-header-number headers
)))
3624 gnus-article-save-directory
)))
3626 (string-equal (file-name-directory default
)
3627 (file-name-directory last-file
))
3628 (string-match "^[0-9]+$" (file-name-nondirectory last-file
)))
3630 (or last-file default
))))
3632 (defun gnus-numeric-save-name (newsgroup headers
&optional last-file
)
3633 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3634 If variable `gnus-use-long-file-name' is non-nil, it is
3635 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3638 (concat (if (gnus-use-long-file-name 'not-save
)
3640 (gnus-newsgroup-directory-form newsgroup
))
3641 "/" (int-to-string (mail-header-number headers
)))
3642 gnus-article-save-directory
)))
3644 (string-equal (file-name-directory default
)
3645 (file-name-directory last-file
))
3646 (string-match "^[0-9]+$" (file-name-nondirectory last-file
)))
3648 (or last-file default
))))
3650 (defun gnus-plain-save-name (newsgroup headers
&optional last-file
)
3651 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3652 If variable `gnus-use-long-file-name' is non-nil, it is
3653 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3656 (if (gnus-use-long-file-name 'not-save
)
3659 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup
))
3661 gnus-article-save-directory
)))
3663 (defun gnus-sender-save-name (newsgroup headers
&optional last-file
)
3664 "Generate file name from sender."
3665 (let ((from (mail-header-from headers
)))
3667 (if (and from
(string-match "\\([^ <]+\\)@" from
))
3668 (match-string 1 from
)
3670 gnus-article-save-directory
)))
3672 (defun article-verify-x-pgp-sig ()
3675 (if (gnus-buffer-live-p gnus-original-article-buffer
)
3676 (let ((sig (with-current-buffer gnus-original-article-buffer
3677 (gnus-fetch-field "X-PGP-Sig")))
3681 (mml2015-clear-verify-function))
3683 (insert-buffer-substring gnus-original-article-buffer
)
3684 (setq items
(split-string sig
))
3685 (message-narrow-to-head)
3686 (let ((inhibit-point-motion-hooks t
)
3687 (case-fold-search t
))
3688 ;; Don't verify multiple headers.
3689 (setq headers
(mapconcat (lambda (header)
3691 (mail-fetch-field header
)
3693 (split-string (nth 1 items
) ",") "")))
3694 (delete-region (point-min) (point-max))
3695 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3696 (insert "X-Signed-Headers: " (nth 1 items
) "\n")
3701 (if (looking-at "^-")
3704 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3705 (insert "Version: " (car items
) "\n\n")
3706 (insert (mapconcat 'identity
(cddr items
) "\n"))
3707 (insert "\n-----END PGP SIGNATURE-----\n")
3708 (let ((mm-security-handle (list (format "multipart/signed"))))
3709 (mml2015-clean-buffer)
3710 (let ((coding-system-for-write (or gnus-newsgroup-charset
3712 (funcall (mml2015-clear-verify-function)))
3714 (or (mm-handle-multipart-ctl-parameter
3715 mm-security-handle
'gnus-details
)
3716 (mm-handle-multipart-ctl-parameter
3717 mm-security-handle
'gnus-info
)))))
3719 (let ((inhibit-read-only t
) bface eface
)
3721 (message-narrow-to-head)
3722 (goto-char (point-max))
3724 (setq bface
(get-text-property (gnus-point-at-bol) 'face
)
3725 eface
(get-text-property (1- (gnus-point-at-eol)) 'face
))
3726 (message-remove-header "X-Gnus-PGP-Verify")
3727 (if (re-search-forward "^X-PGP-Sig:" nil t
)
3729 (goto-char (point-max)))
3730 (narrow-to-region (point) (point))
3731 (insert "X-Gnus-PGP-Verify: " info
"\n")
3732 (goto-char (point-min))
3735 (if (not (looking-at "^[ \t]"))
3739 (goto-char (point-min))
3740 (when (looking-at "\\([^:]+\\): *")
3741 (put-text-property (match-beginning 1) (1+ (match-end 1))
3743 (put-text-property (match-end 0) (point-max)
3744 'face eface
)))))))))
3746 (defun article-verify-cancel-lock ()
3747 "Verify Cancel-Lock header."
3749 (if (gnus-buffer-live-p gnus-original-article-buffer
)
3750 (canlock-verify gnus-original-article-buffer
)))
3757 (setq afunc
(car func
)
3760 gfunc
(intern (format "gnus-%s" func
))))
3762 (when (fboundp afunc
)
3763 `(lambda (&optional interactive
&rest args
)
3764 ,(documentation afunc t
)
3765 (interactive (list t
))
3767 (set-buffer gnus-article-buffer
)
3769 (call-interactively ',afunc
)
3770 (apply ',afunc args
))))))))
3771 '(article-hide-headers
3772 article-verify-x-pgp-sig
3773 article-verify-cancel-lock
3774 article-hide-boring-headers
3775 article-treat-overstrike
3776 article-fill-long-lines
3777 article-capitalize-sentences
3779 article-remove-leading-whitespace
3780 article-display-x-face
3781 article-display-face
3782 article-de-quoted-unreadable
3783 article-de-base64-unreadable
3786 article-unsplit-urls
3787 article-hide-list-identifiers
3788 article-strip-banner
3791 article-hide-signature
3792 article-strip-headers-in-body
3793 article-remove-trailing-blank-lines
3794 article-strip-leading-blank-lines
3795 article-strip-multiple-blank-lines
3796 article-strip-leading-space
3797 article-strip-trailing-space
3798 article-strip-blank-lines
3799 article-strip-all-blank-lines
3801 article-date-english
3802 article-date-iso8601
3803 article-date-original
3805 article-decode-mime-words
3806 article-decode-charset
3807 article-decode-encoded-words
3811 article-treat-dumbquotes
3812 article-normalize-headers
3813 ;; (article-show-all . gnus-article-show-all-headers)
3817 ;;; Gnus article mode
3820 (put 'gnus-article-mode
'mode-class
'special
)
3822 (set-keymap-parent gnus-article-mode-map widget-keymap
)
3824 (gnus-define-keys gnus-article-mode-map
3825 " " gnus-article-goto-next-page
3826 "\177" gnus-article-goto-prev-page
3827 [delete] gnus-article-goto-prev-page
3828 [backspace] gnus-article-goto-prev-page
3829 "\C-c^" gnus-article-refer-article
3830 "h" gnus-article-show-summary
3831 "s" gnus-article-show-summary
3832 "\C-c\C-m" gnus-article-mail
3833 "?" gnus-article-describe-briefly
3834 "e" gnus-summary-edit-article
3835 "<" beginning-of-buffer
3837 "\C-c\C-i" gnus-info-find-node
3839 "R" gnus-article-reply-with-original
3840 "F" gnus-article-followup-with-original
3841 "\C-hk" gnus-article-describe-key
3842 "\C-hc" gnus-article-describe-key-briefly
3844 "\C-d" gnus-article-read-summary-keys
3845 "\M-*" gnus-article-read-summary-keys
3846 "\M-#" gnus-article-read-summary-keys
3847 "\M-^" gnus-article-read-summary-keys
3848 "\M-g" gnus-article-read-summary-keys)
3850 (substitute-key-definition
3851 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
3853 (defun gnus-article-make-menu-bar ()
3854 (unless (boundp 'gnus-article-commands-menu)
3855 (gnus-summary-make-menu-bar))
3856 (gnus-turn-off-edit-menu 'article)
3857 (unless (boundp 'gnus-article-article-menu)
3859 gnus-article-article-menu gnus-article-mode-map ""
3861 ["Scroll forwards" gnus-article-goto-next-page t]
3862 ["Scroll backwards" gnus-article-goto-prev-page t]
3863 ["Show summary" gnus-article-show-summary t]
3864 ["Fetch Message-ID at point" gnus-article-refer-article t]
3865 ["Mail to address at point" gnus-article-mail t]
3866 ["Send a bug report" gnus-bug t]))
3869 gnus-article-treatment-menu gnus-article-mode-map ""
3870 ;; Fixme: this should use :active (and maybe :visible).
3872 ["Hide headers" gnus-article-hide-headers t]
3873 ["Hide signature" gnus-article-hide-signature t]
3874 ["Hide citation" gnus-article-hide-citation t]
3875 ["Treat overstrike" gnus-article-treat-overstrike t]
3876 ["Remove carriage return" gnus-article-remove-cr t]
3877 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3878 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
3879 ["Remove base64" gnus-article-de-base64-unreadable t]
3880 ["Treat html" gnus-article-wash-html t]
3881 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3882 ["Decode HZ" gnus-article-decode-HZ t]))
3884 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3886 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3888 (gnus-run-hooks 'gnus-article-menu-hook)))
3890 (defun gnus-article-mode ()
3891 "Major mode for displaying an article.
3893 All normal editing commands are switched off.
3895 The following commands are available in addition to all summary mode
3897 \\<gnus-article-mode-map>
3898 \\[gnus-article-next-page]\t Scroll the article one page forwards
3899 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3900 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3901 \\[gnus-article-show-summary]\t Display the summary buffer
3902 \\[gnus-article-mail]\t Send a reply to the address near point
3903 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3904 \\[gnus-info-find-node]\t Go to the Gnus info node"
3906 (kill-all-local-variables)
3907 (gnus-simplify-mode-line)
3908 (setq mode-name "Article")
3909 (setq major-mode 'gnus-article-mode)
3910 (make-local-variable 'minor-mode-alist)
3911 (use-local-map gnus-article-mode-map)
3912 (when (gnus-visual-p 'article-menu 'menu)
3913 (gnus-article-make-menu-bar)
3914 (when gnus-summary-tool-bar-map
3915 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
3916 (gnus-update-format-specifications nil 'article-mode)
3917 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3918 (set (make-local-variable 'gnus-page-broken) nil)
3919 (make-local-variable 'gnus-button-marker-list)
3920 (make-local-variable 'gnus-article-current-summary)
3921 (make-local-variable 'gnus-article-mime-handles)
3922 (make-local-variable 'gnus-article-decoded-p)
3923 (make-local-variable 'gnus-article-mime-handle-alist)
3924 (make-local-variable 'gnus-article-wash-types)
3925 (make-local-variable 'gnus-article-image-alist)
3926 (make-local-variable 'gnus-article-charset)
3927 (make-local-variable 'gnus-article-ignored-charsets)
3928 ;; Prevent recent Emacsen from displaying non-break space as "\ ".
3929 (set (make-local-variable 'nobreak-char-display) nil)
3930 (setq cursor-in-non-selected-windows nil)
3931 (gnus-set-default-directory)
3932 (buffer-disable-undo)
3933 (setq buffer-read-only t)
3934 (set-syntax-table gnus-article-mode-syntax-table)
3935 (mm-enable-multibyte)
3936 (gnus-run-mode-hooks 'gnus-article-mode-hook))
3938 ;; Internal variables. Are `gnus-button-regexp' and `gnus-button-last' used
3940 (defvar gnus-button-regexp nil)
3941 (defvar gnus-button-marker-list nil
3942 "Regexp matching any of the regexps from `gnus-button-alist'.")
3943 (defvar gnus-button-last nil
3944 "The value of `gnus-button-alist' when `gnus-button-regexp' was build.")
3946 (defun gnus-article-setup-buffer ()
3947 "Initialize the article buffer."
3948 (let* ((name (if gnus-single-article-buffer "*Article*"
3949 (concat "*Article " gnus-newsgroup-name "*")))
3951 (progn (string-match "\\*Article" name)
3952 (concat " *Original Article"
3953 (substring name (match-end 0))))))
3954 (setq gnus-article-buffer name)
3955 (setq gnus-original-article-buffer original)
3956 (setq gnus-article-mime-handle-alist nil)
3957 ;; This might be a variable local to the summary buffer.
3958 (unless gnus-single-article-buffer
3960 (set-buffer gnus-summary-buffer)
3961 (setq gnus-article-buffer name)
3962 (setq gnus-original-article-buffer original)
3963 (gnus-set-global-variables)))
3964 (gnus-article-setup-highlight-words)
3965 ;; Init original article buffer.
3967 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3968 (mm-enable-multibyte)
3969 (setq major-mode 'gnus-original-article-mode)
3970 (make-local-variable 'gnus-original-article))
3971 (if (and (get-buffer name)
3972 (with-current-buffer name
3973 (if gnus-article-edit-mode
3974 (if (y-or-n-p "Article mode edit in progress; discard? ")
3976 (set-buffer-modified-p nil)
3977 (gnus-kill-buffer name)
3980 (error "Action aborted"))
3984 (set (make-local-variable 'gnus-article-edit-mode) nil)
3985 (when gnus-article-mime-handles
3986 (mm-destroy-parts gnus-article-mime-handles)
3987 (setq gnus-article-mime-handles nil))
3988 ;; Set it to nil in article-buffer!
3989 (setq gnus-article-mime-handle-alist nil)
3990 (buffer-disable-undo)
3991 (setq buffer-read-only t)
3992 ;; This list just keeps growing if we don't reset it.
3993 (setq gnus-button-marker-list nil)
3994 (unless (eq major-mode 'gnus-article-mode)
3995 (gnus-article-mode))
3998 (set-buffer (gnus-get-buffer-create name))
4000 (make-local-variable 'gnus-summary-buffer)
4001 (gnus-summary-set-local-parameters gnus-newsgroup-name)
4002 (current-buffer)))))
4004 ;; Set article window start at LINE, where LINE is the number of lines
4005 ;; from the head of the article.
4006 (defun gnus-article-set-window-start (&optional line)
4008 (gnus-get-buffer-window gnus-article-buffer t)
4010 (set-buffer gnus-article-buffer)
4011 (goto-char (point-min))
4014 (gnus-message 6 "Moved to bookmark")
4015 (search-forward "\n\n" nil t)
4019 (defun gnus-article-prepare (article &optional all-headers header)
4020 "Prepare ARTICLE in article mode buffer.
4021 ARTICLE should either be an article number or a Message-ID.
4022 If ARTICLE is an id, HEADER should be the article headers.
4023 If ALL-HEADERS is non-nil, no headers are hidden."
4025 ;; Make sure we start in a summary buffer.
4026 (unless (eq major-mode 'gnus-summary-mode)
4027 (set-buffer gnus-summary-buffer))
4028 (setq gnus-summary-buffer (current-buffer))
4029 (let* ((gnus-article (if header (mail-header-number header) article))
4030 (summary-buffer (current-buffer))
4031 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
4032 (group gnus-newsgroup-name)
4035 (gnus-article-setup-buffer)
4036 (set-buffer gnus-article-buffer)
4037 ;; Deactivate active regions.
4038 (when (and (boundp 'transient-mark-mode)
4039 transient-mark-mode)
4040 (setq mark-active nil))
4041 (if (not (setq result (let ((inhibit-read-only t))
4042 (gnus-request-article-this-buffer
4044 ;; There is no such article.
4046 (when (and (numberp article)
4047 (not (memq article gnus-newsgroup-sparse)))
4048 (setq gnus-article-current
4049 (cons gnus-newsgroup-name article))
4050 (set-buffer gnus-summary-buffer)
4051 (setq gnus-current-article article)
4052 (if (and (memq article gnus-newsgroup-undownloaded)
4053 (not (gnus-online (gnus-find-method-for-group
4054 gnus-newsgroup-name))))
4056 (gnus-summary-set-agent-mark article)
4057 (message "Message marked for downloading"))
4058 (gnus-summary-mark-article article gnus-canceled-mark)
4059 (unless (memq article gnus-newsgroup-sparse)
4060 (gnus-error 1 "No such article (may have expired or been canceled)")))))
4061 (if (or (eq result 'pseudo)
4062 (eq result 'nneething))
4065 (set-buffer summary-buffer)
4066 (push article gnus-newsgroup-history)
4067 (setq gnus-last-article gnus-current-article
4068 gnus-current-article 0
4069 gnus-current-headers nil
4070 gnus-article-current nil)
4071 (if (eq result 'nneething)
4072 (gnus-configure-windows 'summary)
4073 (gnus-configure-windows 'article))
4074 (gnus-set-global-variables))
4075 (let ((gnus-article-mime-handle-alist-1
4076 gnus-article-mime-handle-alist))
4077 (gnus-set-mode-line 'article)))
4078 ;; The result from the `request' was an actual article -
4079 ;; or at least some text that is now displayed in the
4081 (when (and (numberp article)
4082 (not (eq article gnus-current-article)))
4083 ;; Seems like a new article has been selected.
4084 ;; `gnus-current-article' must be an article number.
4086 (set-buffer summary-buffer)
4087 (push article gnus-newsgroup-history)
4088 (setq gnus-last-article gnus-current-article
4089 gnus-current-article article
4090 gnus-current-headers
4091 (gnus-summary-article-header gnus-current-article)
4092 gnus-article-current
4093 (cons gnus-newsgroup-name gnus-current-article))
4094 (unless (vectorp gnus-current-headers)
4095 (setq gnus-current-headers nil))
4096 (gnus-summary-goto-subject gnus-current-article)
4097 (when (gnus-summary-show-thread)
4098 ;; If the summary buffer really was folded, the
4099 ;; previous goto may not actually have gone to
4100 ;; the right article, but the thread root instead.
4102 (gnus-summary-goto-subject gnus-current-article))
4103 (gnus-run-hooks 'gnus-mark-article-hook)
4104 (gnus-set-mode-line 'summary)
4105 (when (gnus-visual-p 'article-highlight 'highlight)
4106 (gnus-run-hooks 'gnus-visual-mark-article-hook))
4107 ;; Set the global newsgroup variables here.
4108 (gnus-set-global-variables)
4109 (setq gnus-have-all-headers
4110 (or all-headers gnus-show-all-headers))))
4112 (gnus-configure-windows 'article))
4113 (when (or (numberp article)
4115 (gnus-article-prepare-display)
4117 (goto-char (point-min))
4118 (when gnus-break-pages
4119 (gnus-narrow-to-page)))
4120 (let ((gnus-article-mime-handle-alist-1
4121 gnus-article-mime-handle-alist))
4122 (gnus-set-mode-line 'article))
4126 (set-window-point (get-buffer-window (current-buffer)) (point))
4127 (gnus-configure-windows 'article)
4131 (defun gnus-article-prepare-display ()
4132 "Make the current buffer look like a nice article."
4133 ;; Hooks for getting information from the article.
4134 ;; This hook must be called before being narrowed.
4135 (let ((gnus-article-buffer (current-buffer))
4137 (inhibit-read-only t))
4138 (unless (eq major-mode 'gnus-article-mode)
4139 (gnus-article-mode))
4140 (setq buffer-read-only nil
4141 gnus-article-wash-types nil
4142 gnus-article-image-alist nil)
4143 (gnus-run-hooks 'gnus-tmp-internal-hook)
4144 (when gnus-display-mime-function
4145 (funcall gnus-display-mime-function))
4146 (gnus-run-hooks 'gnus-article-prepare-hook)))
4149 ;;; Gnus MIME viewing functions
4152 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4153 "Format of the MIME buttons.
4155 Valid specifiers include:
4157 %T MIME type, along with additional info
4158 %n The `name' parameter
4159 %d The description, if any
4160 %l The length of the encoded part
4161 %p The part identifier number
4162 %e Dots if the part isn't displayed
4164 General format specifiers can also be used. See Info node
4165 `(gnus)Formatting Variables'.")
4167 (defvar gnus-mime-button-line-format-alist
4168 '((?t gnus-tmp-type ?s)
4169 (?T gnus-tmp-type-long ?s)
4170 (?n gnus-tmp-name ?s)
4171 (?d gnus-tmp-description ?s)
4173 (?l gnus-tmp-length ?d)
4174 (?e gnus-tmp-dots ?s)))
4176 (defvar gnus-mime-button-commands
4177 '((gnus-article-press-button "\r" "Toggle Display")
4178 (gnus-mime-view-part "v" "View Interactively...")
4179 (gnus-mime-view-part-as-type "t" "View As Type...")
4180 (gnus-mime-view-part-as-charset "C" "View As charset...")
4181 (gnus-mime-save-part "o" "Save...")
4182 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4183 (gnus-mime-delete-part "d" "Delete part")
4184 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4185 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4186 (gnus-mime-view-part-internally "E" "View Internally")
4187 (gnus-mime-view-part-externally "e" "View Externally")
4188 (gnus-mime-print-part "p" "Print")
4189 (gnus-mime-pipe-part "|" "Pipe To Command...")
4190 (gnus-mime-action-on-part "." "Take action on the part...")))
4192 (defun gnus-article-mime-part-status ()
4193 (if gnus-article-mime-handle-alist-1
4194 (if (eq 1 (length gnus-article-mime-handle-alist-1))
4196 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
4199 (defvar gnus-mime-button-map
4200 (let ((map (make-sparse-keymap)))
4201 (unless (>= (string-to-number emacs-version) 21)
4202 ;; XEmacs doesn't care.
4203 (set-keymap-parent map gnus-article-mode-map))
4204 (define-key map gnus-mouse-2 'gnus-article-push-button)
4205 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4206 (dolist (c gnus-mime-button-commands)
4207 (define-key map (cadr c) (car c)))
4211 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4213 ,@(mapcar (lambda (c)
4214 (vector (caddr c) (car c) :enable t))
4215 gnus-mime-button-commands)))
4218 (define-compiler-macro popup-menu (&whole form
4219 menu &optional position prefix)
4220 (if (and (fboundp 'popup-menu)
4221 (not (memq 'popup-menu (assoc "lmenu" load-history))))
4223 ;; Gnus is probably running under Emacs 20.
4224 `(let* ((menu (cdr ,menu))
4225 (response (x-popup-menu
4227 (cons "" (mapcar (lambda (c)
4228 (cons (caddr c) (car c)))
4231 (call-interactively (nth 3 (assq response menu))))))))
4233 (defun gnus-mime-button-menu (event prefix)
4234 "Construct a context-sensitive menu of MIME commands."
4235 (interactive "e\nP")
4236 (save-window-excursion
4237 (let ((pos (event-start event)))
4238 (select-window (posn-window pos))
4239 (goto-char (posn-point pos))
4240 (gnus-article-check-buffer)
4241 (popup-menu gnus-mime-button-menu nil prefix))))
4243 (defun gnus-mime-view-all-parts (&optional handles)
4244 "View all the MIME parts."
4246 (save-current-buffer
4247 (set-buffer gnus-article-buffer)
4248 (let ((handles (or handles gnus-article-mime-handles))
4249 (mail-parse-charset gnus-newsgroup-charset)
4250 (mail-parse-ignored-charsets
4251 (with-current-buffer gnus-summary-buffer
4252 gnus-newsgroup-ignored-charsets)))
4254 (mm-remove-parts handles)
4255 (goto-char (point-min))
4256 (or (search-forward "\n\n") (goto-char (point-max)))
4257 (let ((inhibit-read-only t))
4258 (delete-region (point) (point-max))
4259 (mm-display-parts handles))))))
4261 (defun gnus-mime-save-part-and-strip ()
4262 "Save the MIME part under point then replace it with an external body."
4264 (gnus-article-check-buffer)
4265 (when (gnus-group-read-only-p)
4266 (error "The current group does not support deleting of parts"))
4267 (when (mm-complicated-handles gnus-article-mime-handles)
4269 The current article has a complicated MIME structure, giving up..."))
4270 (when (gnus-yes-or-no-p "\
4271 Deleting parts may malfunction or destroy the article; continue? ")
4272 (let* ((data (get-text-property (point) 'gnus-data))
4274 (handles gnus-article-mime-handles))
4275 (setq file (and data (mm-save-part data)))
4277 (with-current-buffer (mm-handle-buffer data)
4279 (insert "Content-Type: " (mm-handle-media-type data))
4280 (mml-insert-parameter-string (cdr (mm-handle-type data))
4282 ;; Add a filename for the sake of saving the part again.
4283 (mml-insert-parameter
4284 (mail-header-encode-parameter "name" (file-name-nondirectory file)))
4286 (insert "Content-ID: " (message-make-message-id) "\n")
4287 (insert "Content-Transfer-Encoding: binary\n")
4290 (cdr (mm-make-handle nil
4291 `("message/external-body"
4292 (access-type . "LOCAL-FILE")
4294 (set-buffer gnus-summary-buffer)
4295 (gnus-article-edit-article
4298 (let ((mail-parse-charset (or gnus-article-charset
4299 ',gnus-newsgroup-charset))
4300 (mail-parse-ignored-charsets
4301 (or gnus-article-ignored-charsets
4302 ',gnus-newsgroup-ignored-charsets))
4303 (mbl mml-buffer-list))
4304 (setq mml-buffer-list nil)
4305 (insert-buffer-substring gnus-original-article-buffer)
4306 (mime-to-mml ',handles)
4307 (setq gnus-article-mime-handles nil)
4308 (let ((mbl1 mml-buffer-list))
4309 (setq mml-buffer-list mbl)
4310 (set (make-local-variable 'mml-buffer-list) mbl1))
4311 (gnus-make-local-hook 'kill-buffer-hook)
4312 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4313 `(lambda (no-highlight)
4314 (let ((mail-parse-charset (or gnus-article-charset
4315 ',gnus-newsgroup-charset))
4316 (message-options message-options)
4317 (message-options-set-recipient)
4318 (mail-parse-ignored-charsets
4319 (or gnus-article-ignored-charsets
4320 ',gnus-newsgroup-ignored-charsets)))
4322 (mml-destroy-buffers)
4323 (remove-hook 'kill-buffer-hook
4324 'mml-destroy-buffers t)
4325 (kill-local-variable 'mml-buffer-list))
4326 (gnus-summary-edit-article-done
4327 ,(or (mail-header-references gnus-current-headers) "")
4328 ,(gnus-group-read-only-p)
4329 ,gnus-summary-buffer no-highlight)))))))
4331 (defun gnus-mime-delete-part ()
4332 "Delete the MIME part under point.
4333 Replace it with some information about the removed part."
4335 (gnus-article-check-buffer)
4336 (when (gnus-group-read-only-p)
4337 (error "The current group does not support deleting of parts"))
4338 (when (mm-complicated-handles gnus-article-mime-handles)
4340 The current article has a complicated MIME structure, giving up..."))
4341 (when (gnus-yes-or-no-p "\
4342 Deleting parts may malfunction or destroy the article; continue? ")
4343 (let* ((data (get-text-property (point) 'gnus-data))
4344 (handles gnus-article-mime-handles)
4347 (mail-decode-encoded-word-string (or (mm-handle-description data)
4350 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4352 (type (mm-handle-media-type data)))
4354 (error "No MIME part under point"))
4355 (with-current-buffer (mm-handle-buffer data)
4356 (let ((bsize (format "%s" (buffer-size))))
4361 "| The following attachment has been deleted:\n"
4363 "| Type: " type "\n"
4364 "| Filename: " filename "\n"
4365 "| Size (encoded): " bsize " Byte\n"
4366 "| Description: " description "\n"
4369 (cdr (mm-make-handle
4370 nil `("text/plain") nil nil
4372 (format "Deleted attachment (%s bytes)" bsize))))))
4373 (set-buffer gnus-summary-buffer)
4374 ;; FIXME: maybe some of the following code (borrowed from
4375 ;; `gnus-mime-save-part-and-strip') isn't necessary?
4376 (gnus-article-edit-article
4379 (let ((mail-parse-charset (or gnus-article-charset
4380 ',gnus-newsgroup-charset))
4381 (mail-parse-ignored-charsets
4382 (or gnus-article-ignored-charsets
4383 ',gnus-newsgroup-ignored-charsets))
4384 (mbl mml-buffer-list))
4385 (setq mml-buffer-list nil)
4386 (insert-buffer-substring gnus-original-article-buffer)
4387 (mime-to-mml ',handles)
4388 (setq gnus-article-mime-handles nil)
4389 (let ((mbl1 mml-buffer-list))
4390 (setq mml-buffer-list mbl)
4391 (set (make-local-variable 'mml-buffer-list) mbl1))
4392 (gnus-make-local-hook 'kill-buffer-hook)
4393 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4394 `(lambda (no-highlight)
4395 (let ((mail-parse-charset (or gnus-article-charset
4396 ',gnus-newsgroup-charset))
4397 (message-options message-options)
4398 (message-options-set-recipient)
4399 (mail-parse-ignored-charsets
4400 (or gnus-article-ignored-charsets
4401 ',gnus-newsgroup-ignored-charsets)))
4403 (mml-destroy-buffers)
4404 (remove-hook 'kill-buffer-hook
4405 'mml-destroy-buffers t)
4406 (kill-local-variable 'mml-buffer-list))
4407 (gnus-summary-edit-article-done
4408 ,(or (mail-header-references gnus-current-headers) "")
4409 ,(gnus-group-read-only-p)
4410 ,gnus-summary-buffer no-highlight)))))
4411 ;; Not in `gnus-mime-save-part-and-strip':
4412 (gnus-article-edit-done)
4413 (gnus-summary-expand-window)
4414 (gnus-summary-show-article))
4416 (defun gnus-mime-save-part ()
4417 "Save the MIME part under point."
4419 (gnus-article-check-buffer)
4420 (let ((data (get-text-property (point) 'gnus-data)))
4422 (mm-save-part data))))
4424 (defun gnus-mime-pipe-part ()
4425 "Pipe the MIME part under point to a process."
4427 (gnus-article-check-buffer)
4428 (let ((data (get-text-property (point) 'gnus-data)))
4430 (mm-pipe-part data))))
4432 (defun gnus-mime-view-part ()
4433 "Interactively choose a viewing method for the MIME part under point."
4435 (gnus-article-check-buffer)
4436 (let ((data (get-text-property (point) 'gnus-data)))
4438 (setq gnus-article-mime-handles
4440 gnus-article-mime-handles (setq data (copy-sequence data))))
4441 (mm-interactively-view-part data))))
4443 (defun gnus-mime-view-part-as-type-internal ()
4444 (gnus-article-check-buffer)
4445 (let* ((handle (get-text-property (point) 'gnus-data))
4447 ;; Content-Type: foo/bar; name=...
4448 (mail-content-type-get (mm-handle-type handle) 'name)
4449 ;; Content-Disposition: attachment; filename=...
4450 (cdr (assq 'filename (cdr (mm-handle-disposition handle))))))
4451 (def-type (and name (mm-default-file-encoding name))))
4452 (and def-type (cons def-type 0))))
4454 (defun gnus-mime-view-part-as-type (&optional mime-type pred)
4455 "Choose a MIME media type, and view the part as such.
4456 If non-nil, PRED is a predicate to use during completion to limit the
4457 available media-types."
4461 (let ((default (gnus-mime-view-part-as-type-internal)))
4463 (format "View as MIME type (default %s): "
4465 (mapcar #'list (mailcap-mime-types))
4468 (gnus-article-check-buffer)
4469 (let ((handle (get-text-property (point) 'gnus-data)))
4471 (when (equal (mm-handle-media-type handle) "message/external-body")
4472 (unless (mm-handle-cache handle)
4473 (mm-extern-cache-contents handle))
4474 (setq handle (mm-handle-cache handle)))
4476 (mm-make-handle (mm-handle-buffer handle)
4477 (cons mime-type (cdr (mm-handle-type handle)))
4478 (mm-handle-encoding handle)
4479 (mm-handle-undisplayer handle)
4480 (mm-handle-disposition handle)
4481 (mm-handle-description handle)
4483 (mm-handle-id handle)))
4484 (setq gnus-article-mime-handles
4485 (mm-merge-handles gnus-article-mime-handles handle))
4486 (gnus-mm-display-part handle))))
4489 (require 'jka-compr))
4491 ;; jka-compr.el uses a "sh -c" to direct stderr to err-file, but these days
4492 ;; emacs can do that itself.
4494 (defun gnus-mime-jka-compr-maybe-uncompress ()
4495 "Uncompress the current buffer if `auto-compression-mode' is enabled.
4496 The uncompress method used is derived from `buffer-file-name'."
4497 (when (and (fboundp 'jka-compr-installed-p)
4498 (jka-compr-installed-p))
4499 (let ((info (jka-compr-get-compression-info buffer-file-name)))
4501 (let ((basename (file-name-nondirectory buffer-file-name))
4502 (args (jka-compr-info-uncompress-args info))
4503 (prog (jka-compr-info-uncompress-program info))
4504 (message (jka-compr-info-uncompress-message info))
4505 (err-file (jka-compr-make-temp-name)))
4507 (message "%s %s..." message basename))
4509 (unless (memq (apply 'call-process-region
4510 (point-min) (point-max)
4512 t (list t err-file) nil
4514 jka-compr-acceptable-retval-list)
4515 (jka-compr-error prog args basename message err-file))
4516 (jka-compr-delete-temp-file err-file)))))))
4518 (defun gnus-mime-copy-part (&optional handle)
4519 "Put the MIME part under point into a new buffer.
4520 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4523 (gnus-article-check-buffer)
4524 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4525 (contents (and handle (mm-get-part handle)))
4527 (file-name-nondirectory
4529 (mail-content-type-get (mm-handle-type handle) 'name)
4530 (mail-content-type-get (mm-handle-disposition handle)
4533 (buffer (and base (generate-new-buffer base))))
4535 (switch-to-buffer buffer)
4537 ;; We do it this way to make `normal-mode' set the appropriate mode.
4540 (setq buffer-file-name (expand-file-name base))
4541 (gnus-mime-jka-compr-maybe-uncompress)
4543 (setq buffer-file-name nil))
4544 (goto-char (point-min)))))
4546 (defun gnus-mime-print-part (&optional handle filename)
4547 "Print the MIME part under point."
4548 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4549 (gnus-article-check-buffer)
4550 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4551 (contents (and handle (mm-get-part handle)))
4552 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4553 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4558 (mm-save-part-to-file handle file)
4559 (call-process shell-file-name nil
4560 (generate-new-buffer " *mm*")
4562 shell-command-switch
4564 printer file (mm-handle-type handle))))
4568 (gnus-print-buffer))
4569 (ps-despool filename)))))
4571 (defun gnus-mime-inline-part (&optional handle arg)
4572 "Insert the MIME part under point into the current buffer."
4573 (interactive (list nil current-prefix-arg))
4574 (gnus-article-check-buffer)
4575 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4578 (inhibit-read-only t))
4580 (if (and (not arg) (mm-handle-undisplayer handle))
4581 (mm-remove-part handle)
4582 (setq contents (mm-get-part handle))
4585 (setq charset (or (mail-content-type-get
4586 (mm-handle-type handle) 'charset)
4587 gnus-newsgroup-charset)))
4589 (if (mm-handle-undisplayer handle)
4590 (mm-remove-part handle))
4593 gnus-summary-show-article-charset-alist))
4594 (mm-read-coding-system "Charset: "))))
4596 (if (mm-handle-undisplayer handle)
4597 (mm-remove-part handle))))
4602 (setq charset (mm-charset-to-coding-system
4604 (not (eq charset 'ascii)))
4605 (mm-decode-coding-string contents charset)
4606 (mm-string-to-multibyte contents)))
4609 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4610 "Insert the MIME part under point into the current buffer using the
4612 (interactive (list nil current-prefix-arg))
4613 (gnus-article-check-buffer)
4614 (let ((handle (or handle (get-text-property (point) 'gnus-data)))
4615 (fun (get-text-property (point) 'gnus-callback))
4616 (gnus-newsgroup-ignored-charsets 'gnus-all)
4617 gnus-newsgroup-charset type charset)
4619 (if (mm-handle-undisplayer handle)
4620 (mm-remove-part handle))
4622 (setq gnus-newsgroup-charset
4623 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
4624 (mm-read-coding-system "Charset: ")))
4625 ;; Strip the charset parameter from `handle'.
4626 (setq type (mm-handle-type
4627 (if (equal (mm-handle-media-type handle)
4628 "message/external-body")
4630 (unless (mm-handle-cache handle)
4631 (mm-extern-cache-contents handle))
4632 (mm-handle-cache handle))
4634 charset (assq 'charset (cdr type)))
4636 (funcall fun handle)))))
4638 (defun gnus-mime-view-part-externally (&optional handle)
4639 "View the MIME part under point with an external viewer."
4641 (gnus-article-check-buffer)
4642 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4643 (mm-user-display-methods nil)
4644 (mm-inlined-types nil)
4645 (mail-parse-charset gnus-newsgroup-charset)
4646 (mail-parse-ignored-charsets
4647 (with-current-buffer gnus-summary-buffer
4648 gnus-newsgroup-ignored-charsets))
4649 (type (mm-handle-media-type handle))
4650 (method (mailcap-mime-info type))
4651 (mm-enable-external t))
4652 (if (not (stringp method))
4653 (gnus-mime-view-part-as-type
4654 nil (lambda (type) (stringp (mailcap-mime-info type))))
4656 (if (mm-handle-undisplayer handle)
4657 (mm-remove-part handle)
4658 (mm-display-part handle))))))
4660 (defun gnus-mime-view-part-internally (&optional handle)
4661 "View the MIME part under point with an internal viewer.
4662 If no internal viewer is available, use an external viewer."
4664 (gnus-article-check-buffer)
4665 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4666 (mm-inlined-types '(".*"))
4667 (mm-inline-large-images t)
4668 (mail-parse-charset gnus-newsgroup-charset)
4669 (mail-parse-ignored-charsets
4670 (with-current-buffer gnus-summary-buffer
4671 gnus-newsgroup-ignored-charsets))
4672 (inhibit-read-only t))
4673 (if (not (mm-inlinable-p handle))
4674 (gnus-mime-view-part-as-type
4675 nil (lambda (type) (mm-inlinable-p handle type)))
4677 (if (mm-handle-undisplayer handle)
4678 (mm-remove-part handle)
4679 (mm-display-part handle))))))
4681 (defun gnus-mime-action-on-part (&optional action)
4682 "Do something with the MIME attachment at \(point\)."
4684 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4685 (gnus-article-check-buffer)
4686 (let ((action-pair (assoc action gnus-mime-action-alist)))
4688 (funcall (cdr action-pair)))))
4690 (defun gnus-article-part-wrapper (n function)
4691 (save-current-buffer
4692 (set-buffer gnus-article-buffer)
4693 (when (> n (length gnus-article-mime-handle-alist))
4694 (error "No such part"))
4695 (gnus-article-goto-part n)
4696 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4697 (funcall function handle))))
4699 (defun gnus-article-pipe-part (n)
4700 "Pipe MIME part N, which is the numerical prefix."
4702 (gnus-article-part-wrapper n 'mm-pipe-part))
4704 (defun gnus-article-save-part (n)
4705 "Save MIME part N, which is the numerical prefix."
4707 (gnus-article-part-wrapper n 'mm-save-part))
4709 (defun gnus-article-interactively-view-part (n)
4710 "View MIME part N interactively, which is the numerical prefix."
4712 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4714 (defun gnus-article-copy-part (n)
4715 "Copy MIME part N, which is the numerical prefix."
4717 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4719 (defun gnus-article-view-part-as-charset (n)
4720 "View MIME part N using a specified charset.
4721 N is the numerical prefix."
4723 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4725 (defun gnus-article-view-part-externally (n)
4726 "View MIME part N externally, which is the numerical prefix."
4728 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4730 (defun gnus-article-inline-part (n)
4731 "Inline MIME part N, which is the numerical prefix."
4733 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4735 (defun gnus-article-mime-match-handle-first (condition)
4737 (let ((alist gnus-article-mime-handle-alist) ihandle n)
4738 (while (setq ihandle (pop alist))
4740 ((functionp condition)
4741 (funcall condition (cdr ihandle)))
4742 ((eq condition 'undisplayed)
4743 (not (or (mm-handle-undisplayer (cdr ihandle))
4744 (equal (mm-handle-media-type (cdr ihandle))
4745 "multipart/alternative"))))
4746 ((eq condition 'undisplayed-alternative)
4747 (not (mm-handle-undisplayer (cdr ihandle))))
4749 (gnus-article-goto-part (car ihandle))
4750 (or (not n) (< (car ihandle) n)))
4751 (setq n (car ihandle))))
4755 (defun gnus-article-view-part (&optional n)
4756 "View MIME part N, which is the numerical prefix."
4758 (save-current-buffer
4759 (set-buffer gnus-article-buffer)
4760 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4761 gnus-article-mime-match-handle-function)))
4762 (when (> n (length gnus-article-mime-handle-alist))
4763 (error "No such part"))
4764 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4765 (when (gnus-article-goto-part n)
4766 (if (equal (car handle) "multipart/alternative")
4767 (gnus-article-press-button)
4768 (when (eq (gnus-mm-display-part handle) 'internal)
4769 (gnus-set-window-start)))))))
4771 (defsubst gnus-article-mime-total-parts ()
4772 (if (bufferp (car gnus-article-mime-handles))
4774 (1- (length gnus-article-mime-handles))))
4776 (defun gnus-mm-display-part (handle)
4777 "Display HANDLE and fix MIME button."
4778 (let ((id (get-text-property (point) 'gnus-part))
4780 (inhibit-read-only t))
4783 (let ((window (selected-window))
4784 (mail-parse-charset gnus-newsgroup-charset)
4785 (mail-parse-ignored-charsets
4786 (if (gnus-buffer-live-p gnus-summary-buffer)
4788 (set-buffer gnus-summary-buffer)
4789 gnus-newsgroup-ignored-charsets)
4793 (let ((win (gnus-get-buffer-window (current-buffer) t))
4796 (select-window win))
4799 (if (mm-handle-displayed-p handle)
4800 ;; This will remove the part.
4801 (mm-display-part handle)
4803 (narrow-to-region (point)
4804 (if (eobp) (point) (1+ (point))))
4805 (mm-display-part handle)
4806 ;; We narrow to the part itself and
4807 ;; then call the treatment functions.
4808 (goto-char (point-min))
4810 (narrow-to-region (point) (point-max))
4813 (gnus-article-mime-total-parts)
4814 (mm-handle-media-type handle)))))
4815 (if (window-live-p window)
4816 (select-window window)))))
4819 (gnus-insert-mime-button
4820 handle id (list (mm-handle-displayed-p handle)))
4821 (goto-char point))))
4823 (defun gnus-article-goto-part (n)
4824 "Go to MIME part N."
4825 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
4827 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4828 (let ((gnus-tmp-name
4829 (or (mail-content-type-get (mm-handle-type handle) 'name)
4830 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4831 (mail-content-type-get (mm-handle-type handle) 'url)
4833 (gnus-tmp-type (mm-handle-media-type handle))
4834 (gnus-tmp-description
4835 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4838 (if (if displayed (car displayed)
4839 (mm-handle-displayed-p handle))
4841 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4843 gnus-tmp-type-long b e)
4844 (when (string-match ".*/" gnus-tmp-name)
4845 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4846 (setq gnus-tmp-type-long (concat gnus-tmp-type
4847 (and (not (equal gnus-tmp-name ""))
4848 (concat "; " gnus-tmp-name))))
4849 (unless (equal gnus-tmp-description "")
4850 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4855 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4856 `(,@(gnus-local-map-property gnus-mime-button-map)
4857 gnus-callback gnus-mm-display-part
4858 gnus-part ,gnus-tmp-id
4859 article-type annotation
4862 ;; Exclude a newline.
4865 (widget-convert-button
4868 :action 'gnus-widget-press-button
4869 :button-keymap gnus-mime-button-map
4871 (lambda (widget/window &optional overlay pos)
4872 ;; Needed to properly clear the message due to a bug in
4873 ;; wid-edit (XEmacs only).
4874 (if (boundp 'help-echo-owns-message)
4875 (setq help-echo-owns-message t))
4877 "%S: %s the MIME part; %S: more options"
4878 (aref gnus-mouse-2 0)
4879 ;; XEmacs will get a single widget arg; Emacs 21 will get
4880 ;; window, overlay, position.
4881 (if (mm-handle-displayed-p
4883 (with-current-buffer (gnus-overlay-buffer overlay)
4884 (widget-get (widget-at (gnus-overlay-start overlay))
4886 (widget-get widget/window :mime-handle)))
4888 (aref gnus-down-mouse-3 0))))))
4890 (defun gnus-widget-press-button (elems el)
4891 (goto-char (widget-get elems :from))
4892 (gnus-article-press-button))
4894 (defvar gnus-displaying-mime nil)
4896 (defun gnus-display-mime (&optional ihandles)
4897 "Display the MIME parts."
4899 (save-selected-window
4900 (let ((window (get-buffer-window gnus-article-buffer))
4903 (select-window window)
4904 ;; We have to do this since selecting the window
4905 ;; may change the point. So we set the window point.
4906 (set-window-point window point)))
4907 (let ((handles ihandles)
4908 (inhibit-read-only t)
4911 ((setq handles (mm-dissect-buffer nil gnus-article-loose-mime))
4912 (when gnus-article-emulate-mime
4913 (mm-uu-dissect-text-parts handles)))
4914 (gnus-article-emulate-mime
4915 (setq handles (mm-uu-dissect))))
4916 (when (and (not ihandles)
4917 (not gnus-displaying-mime))
4918 ;; Top-level call; we clean up.
4919 (when gnus-article-mime-handles
4920 (mm-destroy-parts gnus-article-mime-handles)
4921 (setq gnus-article-mime-handle-alist nil));; A trick.
4922 (setq gnus-article-mime-handles handles)
4923 ;; We allow users to glean info from the handles.
4924 (when gnus-article-mime-part-function
4925 (gnus-mime-part-function handles)))
4927 (or (not (stringp (car handles)))
4930 (when (and (not ihandles)
4931 (not gnus-displaying-mime))
4932 ;; Clean up for mime parts.
4934 (delete-region (point) (point-max)))
4935 (let ((gnus-displaying-mime t))
4936 (gnus-mime-display-part handles)))
4939 (narrow-to-region (point) (point-max))
4940 (gnus-treat-article nil 1 1)
4943 ;; Highlight the headers.
4947 (narrow-to-region (point-min) (point))
4948 (gnus-article-save-original-date
4949 (gnus-treat-article 'head)))))))
4950 ;; Cope with broken MIME messages.
4951 (goto-char (point-max))
4955 (defcustom gnus-mime-display-multipart-as-mixed nil
4956 "Display \"multipart\" parts as \"multipart/mixed\".
4958 If t, it overrides nil values of
4959 `gnus-mime-display-multipart-alternative-as-mixed' and
4960 `gnus-mime-display-multipart-related-as-mixed'."
4961 :group 'gnus-article-mime
4964 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
4965 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
4967 :group 'gnus-article-mime
4970 (defcustom gnus-mime-display-multipart-related-as-mixed nil
4971 "Display \"multipart/related\" parts as \"multipart/mixed\".
4973 If displaying \"text/html\" is discouraged \(see
4974 `mm-discouraged-alternatives'\) images or other material inside a
4975 \"multipart/related\" part might be overlooked when this variable is nil."
4977 :group 'gnus-article-mime
4980 (defun gnus-mime-display-part (handle)
4982 ;; Maybe a broken MIME message.
4985 ((not (stringp (car handle)))
4986 (gnus-mime-display-single handle))
4987 ;; User-defined multipart
4988 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
4989 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
4991 ;; multipart/alternative
4992 ((and (equal (car handle) "multipart/alternative")
4993 (not (or gnus-mime-display-multipart-as-mixed
4994 gnus-mime-display-multipart-alternative-as-mixed)))
4995 (let ((id (1+ (length gnus-article-mime-handle-alist))))
4996 (push (cons id handle) gnus-article-mime-handle-alist)
4997 (gnus-mime-display-alternative (cdr handle) nil nil id)))
4998 ;; multipart/related
4999 ((and (equal (car handle) "multipart/related")
5000 (not (or gnus-mime-display-multipart-as-mixed
5001 gnus-mime-display-multipart-related-as-mixed)))
5002 ;;;!!!We should find the start part, but we just default
5003 ;;;!!!to the first part.
5004 ;;(gnus-mime-display-part (cadr handle))
5005 ;;;!!! Most multipart/related is an HTML message plus images.
5006 ;;;!!! Unfortunately we are unable to let W3 display those
5007 ;;;!!! included images, so we just display it as a mixed multipart.
5008 ;;(gnus-mime-display-mixed (cdr handle))
5009 ;;;!!! No, w3 can display everything just fine.
5010 (gnus-mime-display-part (cadr handle)))
5011 ((equal (car handle) "multipart/signed")
5012 (gnus-add-wash-type 'signed)
5013 (gnus-mime-display-security handle))
5014 ((equal (car handle) "multipart/encrypted")
5015 (gnus-add-wash-type 'encrypted)
5016 (gnus-mime-display-security handle))
5017 ;; Other multiparts are handled like multipart/mixed.
5019 (gnus-mime-display-mixed (cdr handle)))))
5021 (defun gnus-mime-part-function (handles)
5022 (if (stringp (car handles))
5023 (mapcar 'gnus-mime-part-function (cdr handles))
5024 (funcall gnus-article-mime-part-function handles)))
5026 (defun gnus-mime-display-mixed (handles)
5027 (mapcar 'gnus-mime-display-part handles))
5029 (defun gnus-mime-display-single (handle)
5030 (let ((type (mm-handle-media-type handle))
5031 (ignored gnus-ignored-mime-types)
5038 (when (string-match (pop ignored) type)
5039 (throw 'ignored nil)))
5040 (if (and (setq not-attachment
5041 (and (not (mm-inline-override-p handle))
5042 (or (not (mm-handle-disposition handle))
5043 (equal (car (mm-handle-disposition handle))
5045 (mm-attachment-override-p handle))))
5046 (mm-automatic-display-p handle)
5048 (mm-inlinable-p handle)
5049 (mm-inlined-p handle))
5050 (mm-automatic-external-display-p type)))
5052 (when (equal (mm-handle-media-supertype handle) "text")
5054 (let ((id (1+ (length gnus-article-mime-handle-alist)))
5056 (push (cons id handle) gnus-article-mime-handle-alist)
5058 (equal (mm-handle-media-supertype handle) "message"))
5061 (cond ((not (bolp)) 2)
5062 ((or (bobp) (eq (char-before (1- (point))) ?\n)) 0)
5064 (when (or (not display)
5065 (not (gnus-unbuttonized-mime-type-p type)))
5066 (gnus-insert-mime-button
5067 handle id (list (or display (and not-attachment text))))
5068 (gnus-article-insert-newline)
5069 ;; Remember modify the number of forward lines.
5077 (let ((mail-parse-charset gnus-newsgroup-charset)
5078 (mail-parse-ignored-charsets
5079 (save-excursion (condition-case ()
5080 (set-buffer gnus-summary-buffer)
5082 gnus-newsgroup-ignored-charsets)))
5083 (mm-display-part handle t))
5084 (goto-char (point-max)))
5085 ((and text not-attachment)
5089 (gnus-article-insert-newline)
5092 (let ((charset (mail-content-type-get (mm-handle-type handle)
5094 (cond ((not charset)
5095 (mm-string-as-multibyte (mm-get-part handle)))
5096 ((eq charset 'gnus-decoded)
5097 (with-current-buffer (mm-handle-buffer handle)
5100 (mm-decode-string (mm-get-part handle) charset)))))
5101 (goto-char (point-max))))
5105 (narrow-to-region beg (point))
5108 (gnus-article-mime-total-parts)
5109 (mm-handle-media-type handle)))))))))
5111 (defun gnus-unbuttonized-mime-type-p (type)
5112 "Say whether TYPE is to be unbuttonized."
5113 (unless gnus-inhibit-mime-unbuttonizing
5115 (let ((types gnus-unbuttonized-mime-types))
5117 (when (string-match (pop types) type)
5118 (throw 'found t)))))
5120 (let ((types gnus-buttonized-mime-types))
5122 (when (string-match (pop types) type)
5123 (throw 'found t)))))))))
5125 (defun gnus-article-insert-newline ()
5126 "Insert a newline, but mark it as undeletable."
5127 (gnus-put-text-property
5128 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
5130 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
5131 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
5134 handle (inhibit-read-only t) from props begend not-pref)
5135 (save-window-excursion
5138 (narrow-to-region (car ibegend)
5141 (goto-char (car ibegend))
5144 (delete-region (point-min) (point-max))
5145 (mm-remove-parts handles))
5146 (setq begend (list (point-marker)))
5148 (unless (setq not-pref (cadr (member preferred ihandles)))
5149 (setq not-pref (car ihandles)))
5152 (not (gnus-unbuttonized-mime-type-p
5153 "multipart/alternative")))
5154 (gnus-add-text-properties
5157 (insert (format "%d. " id))
5161 (unless ,(not ibegend)
5162 (setq gnus-article-mime-handle-alist
5163 ',gnus-article-mime-handle-alist))
5164 (gnus-mime-display-alternative
5165 ',ihandles ',not-pref ',begend ,id))
5166 ,@(gnus-local-map-property gnus-mime-button-map)
5167 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5168 face ,gnus-article-button-face
5170 article-type multipart))
5171 (widget-convert-button 'link from (point)
5172 :action 'gnus-widget-press-button
5173 :button-keymap gnus-widget-button-keymap)
5175 (while (setq handle (pop handles))
5176 (gnus-add-text-properties
5179 (insert (format "(%c) %-18s"
5180 (if (equal handle preferred) ?* ? )
5181 (mm-handle-media-type handle)))
5185 (unless ,(not ibegend)
5186 (setq gnus-article-mime-handle-alist
5187 ',gnus-article-mime-handle-alist))
5188 (gnus-mime-display-alternative
5189 ',ihandles ',handle ',begend ,id))
5190 ,@(gnus-local-map-property gnus-mime-button-map)
5191 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5192 face ,gnus-article-button-face
5195 (widget-convert-button 'link from (point)
5196 :action 'gnus-widget-press-button
5197 :button-keymap gnus-widget-button-keymap)
5201 (if (stringp (car preferred))
5202 (gnus-display-mime preferred)
5203 (let ((mail-parse-charset gnus-newsgroup-charset)
5204 (mail-parse-ignored-charsets
5205 (save-excursion (set-buffer gnus-summary-buffer)
5206 gnus-newsgroup-ignored-charsets)))
5207 (mm-display-part preferred)
5211 (narrow-to-region (car begend) (point-max))
5213 nil (length gnus-article-mime-handle-alist)
5214 (gnus-article-mime-total-parts)
5215 (mm-handle-media-type handle))))))
5216 (goto-char (point-max))
5217 (setcdr begend (point-marker)))))
5219 (goto-char point))))
5221 (defconst gnus-article-wash-status-strings
5222 (let ((alist '((cite "c" "Possible hidden citation text"
5223 " " "All citation text visible")
5224 (headers "h" "Hidden headers"
5225 " " "All headers visible.")
5226 (pgp "p" "Encrypted or signed message status hidden"
5227 " " "No hidden encryption nor digital signature status")
5228 (signature "s" "Signature has been hidden"
5229 " " "Signature is visible")
5230 (overstrike "o" "Overstrike (^H) characters applied"
5231 " " "No overstrike characters applied")
5232 (emphasis "e" "/*_Emphasis_*/ characters applied"
5233 " " "No /*_emphasis_*/ characters applied")))
5235 (dolist (entry alist result)
5236 (let ((key (nth 0 entry))
5237 (on (copy-sequence (nth 1 entry)))
5238 (on-help (nth 2 entry))
5239 (off (copy-sequence (nth 3 entry)))
5240 (off-help (nth 4 entry)))
5241 (put-text-property 0 1 'help-echo on-help on)
5242 (put-text-property 0 1 'help-echo off-help off)
5243 (push (list key on off) result))))
5244 "Alist of strings describing wash status in the mode line.
5245 Each entry has the form (KEY ON OF), where the KEY is a symbol
5246 representing the particular washing function, ON is the string to use
5247 in the article mode line when the washing function is active, and OFF
5248 is the string to use when it is inactive.")
5250 (defun gnus-article-wash-status-entry (key value)
5251 (let ((entry (assoc key gnus-article-wash-status-strings)))
5252 (if value (nth 1 entry) (nth 2 entry))))
5254 (defun gnus-article-wash-status ()
5255 "Return a string which display status of article washing."
5257 (set-buffer gnus-article-buffer)
5258 (let ((cite (memq 'cite gnus-article-wash-types))
5259 (headers (memq 'headers gnus-article-wash-types))
5260 (boring (memq 'boring-headers gnus-article-wash-types))
5261 (pgp (memq 'pgp gnus-article-wash-types))
5262 (pem (memq 'pem gnus-article-wash-types))
5263 (signed (memq 'signed gnus-article-wash-types))
5264 (encrypted (memq 'encrypted gnus-article-wash-types))
5265 (signature (memq 'signature gnus-article-wash-types))
5266 (overstrike (memq 'overstrike gnus-article-wash-types))
5267 (emphasis (memq 'emphasis gnus-article-wash-types)))
5269 (gnus-article-wash-status-entry 'cite cite)
5270 (gnus-article-wash-status-entry 'headers (or headers boring))
5271 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
5272 (gnus-article-wash-status-entry 'signature signature)
5273 (gnus-article-wash-status-entry 'overstrike overstrike)
5274 (gnus-article-wash-status-entry 'emphasis emphasis)))))
5276 (defun gnus-add-wash-type (type)
5277 "Add a washing of TYPE to the current status."
5278 (add-to-list 'gnus-article-wash-types type))
5280 (defun gnus-delete-wash-type (type)
5281 "Add a washing of TYPE to the current status."
5282 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
5284 (defun gnus-add-image (category image)
5285 "Add IMAGE of CATEGORY to the list of displayed images."
5286 (let ((entry (assq category gnus-article-image-alist)))
5288 (setq entry (list category))
5289 (push entry gnus-article-image-alist))
5290 (nconc entry (list image))))
5292 (defun gnus-delete-images (category)
5293 "Delete all images in CATEGORY."
5294 (let ((entry (assq category gnus-article-image-alist)))
5295 (dolist (image (cdr entry))
5296 (gnus-remove-image image category))
5297 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
5298 (gnus-delete-wash-type category)))
5300 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
5302 (defun gnus-article-maybe-hide-headers ()
5303 "Hide unwanted headers if `gnus-have-all-headers' is nil.
5304 Provided for backwards compatibility."
5305 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
5306 (not (save-excursion (set-buffer gnus-summary-buffer)
5307 gnus-have-all-headers)))
5308 (not gnus-inhibit-hiding))
5309 (gnus-article-hide-headers)))
5313 (defun gnus-output-to-file (file-name)
5314 "Append the current article to a file named FILE-NAME.
5315 If `gnus-article-save-coding-system' is non-nil, it is used to encode
5316 text and used as the value of the coding cookie which is added to the
5317 top of a file. Otherwise, this function saves a raw article without
5319 (let* ((artbuf (current-buffer))
5320 (file-name-coding-system nnmail-pathname-coding-system)
5321 (coding gnus-article-save-coding-system)
5322 (coding-system-for-read (if coding
5323 nil ;; Rely on the coding cookie.
5324 mm-text-coding-system))
5325 (coding-system-for-write (or coding
5326 mm-text-coding-system-for-write
5327 mm-text-coding-system))
5328 (exists (file-exists-p file-name)))
5331 (insert-file-contents file-name)
5332 (goto-char (point-min))
5333 ;; Remove the existing coding cookie.
5334 (when (looking-at "X-Gnus-Coding-System: .+\n\n")
5335 (delete-region (match-beginning 0) (match-end 0))))
5336 (goto-char (point-max))
5337 (insert-buffer-substring artbuf)
5338 ;; Append newline at end of the buffer as separator, and then
5340 (goto-char (point-max))
5343 ;; If the coding system is not suitable to encode the text,
5344 ;; ask a user for a proper one.
5345 (when (fboundp 'select-safe-coding-system)
5346 (setq coding (coding-system-base
5347 (save-window-excursion
5348 (select-safe-coding-system (point-min) (point-max)
5350 (setq coding-system-for-write
5351 (or (cdr (assq coding '((mule-utf-8 . utf-8))))
5353 (goto-char (point-min))
5354 ;; Add the coding cookie.
5355 (insert (format "X-Gnus-Coding-System: -*- coding: %s; -*-\n\n"
5356 coding-system-for-write)))
5359 (write-region (point-min) (point-max) file-name nil 'no-message)
5360 (message "Appended to %s" file-name))
5361 (write-region (point-min) (point-max) file-name))))
5364 (defun gnus-narrow-to-page (&optional arg)
5365 "Narrow the article buffer to a page.
5366 If given a numerical ARG, move forward ARG pages."
5368 (setq arg (if arg (prefix-numeric-value arg) 0))
5370 (set-buffer gnus-article-buffer)
5371 (goto-char (point-min))
5373 ;; Remove any old next/prev buttons.
5374 (when (gnus-visual-p 'page-marker)
5375 (let ((inhibit-read-only t))
5376 (gnus-remove-text-with-property 'gnus-prev)
5377 (gnus-remove-text-with-property 'gnus-next)))
5380 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
5382 (re-search-forward page-delimiter nil 'move arg)))
5383 (goto-char (match-end 0))
5385 (goto-char (point-min))
5386 (setq gnus-page-broken
5387 (and (re-search-forward page-delimiter nil t) t))))
5388 (when gnus-page-broken
5391 (if (re-search-forward page-delimiter nil 'move)
5394 (when (and (gnus-visual-p 'page-marker)
5395 (> (point-min) (save-restriction (widen) (point-min))))
5397 (goto-char (point-min))
5398 (gnus-insert-prev-page-button)))
5399 (when (and (gnus-visual-p 'page-marker)
5400 (< (point-max) (save-restriction (widen) (point-max))))
5402 (goto-char (point-max))
5403 (gnus-insert-next-page-button))))))
5405 ;; Article mode commands
5407 (defun gnus-article-goto-next-page ()
5408 "Show the next page of the article."
5410 (when (gnus-article-next-page)
5411 (goto-char (point-min))
5412 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
5415 (defun gnus-article-goto-prev-page ()
5416 "Show the previous page of the article."
5419 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
5420 (gnus-article-prev-page nil)))
5422 ;; This is cleaner but currently breaks `gnus-pick-mode':
5424 ;; (defun gnus-article-goto-next-page ()
5425 ;; "Show the next page of the article."
5427 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5428 ;; (gnus-summary-next-page)))
5430 ;; (defun gnus-article-goto-prev-page ()
5431 ;; "Show the next page of the article."
5433 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5434 ;; (gnus-summary-prev-page)))
5436 (defun gnus-article-next-page (&optional lines)
5437 "Show the next page of the current article.
5438 If end of article, return non-nil. Otherwise return nil.
5439 Argument LINES specifies lines to be scrolled up."
5441 (move-to-window-line -1)
5444 (and (pos-visible-in-window-p) ;Not continuation line.
5445 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
5446 ;; Nothing in this page.
5447 (if (or (not gnus-page-broken)
5452 (eobp)))) ;Real end-of-buffer?
5454 (when gnus-article-over-scroll
5455 (gnus-article-next-page-1 lines))
5457 (gnus-narrow-to-page 1) ;Go to next page.
5459 ;; More in this page.
5460 (gnus-article-next-page-1 lines)
5463 (defmacro gnus-article-beginning-of-window ()
5464 "Move point to the beginning of the window.
5465 In Emacs, the point is placed at the line number which `scroll-margin'
5467 (if (featurep 'xemacs)
5468 '(move-to-window-line 0)
5469 '(move-to-window-line
5470 (min (max 0 scroll-margin)
5471 (max 1 (- (window-height)
5472 (if mode-line-format 1 0)
5473 (if (and (boundp 'header-line-format)
5474 (symbol-value 'header-line-format))
5477 (defun gnus-article-next-page-1 (lines)
5478 (when (and (not (featurep 'xemacs))
5481 (numberp (symbol-value 'scroll-margin))
5482 (> (symbol-value 'scroll-margin) 0))
5483 ;; Protect against the bug that Emacs 21.x hangs up when scrolling up for
5484 ;; too many number of lines if `scroll-margin' is set as two or greater.
5485 (setq lines (min lines
5486 (max 0 (- (count-lines (window-start) (point-max))
5487 (symbol-value 'scroll-margin))))))
5489 (let ((scroll-in-place nil))
5492 ;; Long lines may cause an end-of-buffer error.
5493 (goto-char (point-max))))
5494 (gnus-article-beginning-of-window))
5496 (defun gnus-article-prev-page (&optional lines)
5497 "Show previous page of current article.
5498 Argument LINES specifies lines to be scrolled down."
5500 (move-to-window-line 0)
5501 (if (and gnus-page-broken
5503 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
5505 (gnus-narrow-to-page -1) ;Go to previous page.
5506 (goto-char (point-max))
5510 (let ((scroll-in-place nil))
5511 (scroll-down lines))
5512 (beginning-of-buffer
5513 (goto-char (point-min))))
5514 (gnus-article-beginning-of-window))))
5516 (defun gnus-article-only-boring-p ()
5517 "Decide whether there is only boring text remaining in the article.
5518 Something \"interesting\" is a word of at least two letters that does
5519 not have a face in `gnus-article-boring-faces'."
5520 (when (and gnus-article-skip-boring
5521 (boundp 'gnus-article-boring-faces)
5522 (symbol-value 'gnus-article-boring-faces))
5524 (let ((inhibit-point-motion-hooks t))
5526 (while (re-search-forward "\\b\\w\\w" nil t)
5528 (when (not (gnus-intersection
5529 (gnus-faces-at (point))
5530 (symbol-value 'gnus-article-boring-faces)))
5531 (throw 'only-boring nil)))
5532 (throw 'only-boring t))))))
5534 (defun gnus-article-refer-article ()
5535 "Read article specified by message-id around point."
5538 (re-search-backward "[ \t]\\|^" (gnus-point-at-bol) t)
5539 (re-search-forward "<?news:<?\\|<" (gnus-point-at-eol) t)
5540 (if (re-search-forward "[^@ ]+@[^ \t>]+" (gnus-point-at-eol) t)
5541 (let ((msg-id (concat "<" (match-string 0) ">")))
5542 (set-buffer gnus-summary-buffer)
5543 (gnus-summary-refer-article msg-id))
5544 (error "No references around point"))))
5546 (defun gnus-article-show-summary ()
5547 "Reconfigure windows to show summary buffer."
5549 (if (not (gnus-buffer-live-p gnus-summary-buffer))
5550 (error "There is no summary buffer for this article buffer")
5551 (gnus-article-set-globals)
5552 (gnus-configure-windows 'article)
5553 (gnus-summary-goto-subject gnus-current-article)
5554 (gnus-summary-position-point)))
5556 (defun gnus-article-describe-briefly ()
5557 "Describe article mode commands briefly."
5559 (gnus-message 6 (substitute-command-keys "\\<gnus-article-mode-map>\\[gnus-article-goto-next-page]:Next page \\[gnus-article-goto-prev-page]:Prev page \\[gnus-article-show-summary]:Show summary \\[gnus-info-find-node]:Run Info \\[gnus-article-describe-briefly]:This help")))
5561 (defun gnus-article-summary-command ()
5562 "Execute the last keystroke in the summary buffer."
5564 (let ((obuf (current-buffer))
5565 (owin (current-window-configuration))
5567 (switch-to-buffer gnus-article-current-summary 'norecord)
5568 (setq func (lookup-key (current-local-map) (this-command-keys)))
5569 (call-interactively func)
5571 (set-window-configuration owin)
5572 (set-window-point (get-buffer-window (current-buffer)) (point))))
5574 (defun gnus-article-summary-command-nosave ()
5575 "Execute the last keystroke in the summary buffer."
5578 (pop-to-buffer gnus-article-current-summary 'norecord)
5579 (setq func (lookup-key (current-local-map) (this-command-keys)))
5580 (call-interactively func)))
5582 (defun gnus-article-check-buffer ()
5583 "Beep if not in an article buffer."
5584 (unless (equal major-mode 'gnus-article-mode)
5585 (error "Command invoked outside of a Gnus article buffer")))
5587 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
5588 "Read a summary buffer key sequence and execute it from the article buffer."
5590 (gnus-article-check-buffer)
5592 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
5593 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
5594 "=" "^" "\M-^" "|"))
5600 '("n" "Gn" "p" "Gp"))
5603 (set-buffer gnus-article-current-summary)
5604 (let (gnus-pick-mode)
5605 (push (or key last-command-event) unread-command-events)
5606 (setq keys (if (featurep 'xemacs)
5607 (events-to-keys (read-key-sequence nil))
5608 (read-key-sequence nil)))))
5612 (if (or (member keys nosaves)
5613 (member keys nosave-but-article)
5614 (member keys nosave-in-article))
5616 (save-window-excursion
5617 (pop-to-buffer gnus-article-current-summary 'norecord)
5618 ;; We disable the pick minor mode commands.
5619 (let (gnus-pick-mode)
5620 (setq func (lookup-key (current-local-map) keys))))
5624 (unless (member keys nosave-in-article)
5625 (set-buffer gnus-article-current-summary))
5626 (call-interactively func)
5627 (setq new-sum-point (point)))
5628 (when (member keys nosave-but-article)
5629 (pop-to-buffer gnus-article-buffer 'norecord)))
5630 ;; These commands should restore window configuration.
5631 (let ((obuf (current-buffer))
5632 (owin (current-window-configuration))
5634 win func in-buffer selected new-sum-start new-sum-hscroll)
5635 (cond (not-restore-window
5636 (pop-to-buffer gnus-article-current-summary 'norecord))
5637 ((setq win (get-buffer-window gnus-article-current-summary))
5638 (select-window win))
5640 (switch-to-buffer gnus-article-current-summary 'norecord)))
5641 (setq in-buffer (current-buffer))
5642 ;; We disable the pick minor mode commands.
5643 (if (and (setq func (let (gnus-pick-mode)
5644 (lookup-key (current-local-map) keys)))
5647 (call-interactively func)
5648 (when (eq win (selected-window))
5649 (setq new-sum-point (point)
5650 new-sum-start (window-start win)
5651 new-sum-hscroll (window-hscroll win)))
5652 (when (eq in-buffer (current-buffer))
5653 (setq selected (gnus-summary-select-article))
5655 (unless not-restore-window
5656 (set-window-configuration owin))
5657 (when (eq selected 'old)
5659 (set-window-start (get-buffer-window (current-buffer))
5661 (set-window-point (get-buffer-window (current-buffer))
5663 (when (and (not not-restore-window)
5665 (set-window-point win new-sum-point)
5666 (set-window-start win new-sum-start)
5667 (set-window-hscroll win new-sum-hscroll))))
5668 (set-window-configuration owin)
5671 (defun gnus-article-describe-key (key)
5672 "Display documentation of the function invoked by KEY. KEY is a string."
5673 (interactive "kDescribe key: ")
5674 (gnus-article-check-buffer)
5675 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5677 (set-buffer gnus-article-current-summary)
5678 (let (gnus-pick-mode)
5679 (if (featurep 'xemacs)
5681 (push (elt key 0) unread-command-events)
5682 (setq key (events-to-keys
5683 (read-key-sequence "Describe key: "))))
5684 (setq unread-command-events
5686 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5687 (string-to-list key)))
5688 (setq key (read-key-sequence "Describe key: "))))
5690 (describe-key key)))
5692 (defun gnus-article-describe-key-briefly (key &optional insert)
5693 "Display documentation of the function invoked by KEY. KEY is a string."
5694 (interactive "kDescribe key: \nP")
5695 (gnus-article-check-buffer)
5696 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5698 (set-buffer gnus-article-current-summary)
5699 (let (gnus-pick-mode)
5700 (if (featurep 'xemacs)
5702 (push (elt key 0) unread-command-events)
5703 (setq key (events-to-keys
5704 (read-key-sequence "Describe key: "))))
5705 (setq unread-command-events
5707 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5708 (string-to-list key)))
5709 (setq key (read-key-sequence "Describe key: "))))
5710 (describe-key-briefly key insert))
5711 (describe-key-briefly key insert)))
5713 (defun gnus-article-reply-with-original (&optional wide)
5714 "Start composing a reply mail to the current message.
5715 The text in the region will be yanked. If the region isn't active,
5716 the entire article will be yanked."
5718 (let ((article (cdr gnus-article-current))
5720 (if (not (gnus-mark-active-p))
5721 (with-current-buffer gnus-summary-buffer
5722 (gnus-summary-reply (list (list article)) wide))
5723 (setq contents (buffer-substring (point) (mark t)))
5724 ;; Deactivate active regions.
5725 (when (and (boundp 'transient-mark-mode)
5726 transient-mark-mode)
5727 (setq mark-active nil))
5728 (with-current-buffer gnus-summary-buffer
5730 (list (list article contents)) wide)))))
5732 (defun gnus-article-followup-with-original ()
5733 "Compose a followup to the current article.
5734 The text in the region will be yanked. If the region isn't active,
5735 the entire article will be yanked."
5737 (let ((article (cdr gnus-article-current))
5739 (if (not (gnus-mark-active-p))
5740 (with-current-buffer gnus-summary-buffer
5741 (gnus-summary-followup (list (list article))))
5742 (setq contents (buffer-substring (point) (mark t)))
5743 ;; Deactivate active regions.
5744 (when (and (boundp 'transient-mark-mode)
5745 transient-mark-mode)
5746 (setq mark-active nil))
5747 (with-current-buffer gnus-summary-buffer
5748 (gnus-summary-followup
5749 (list (list article contents)))))))
5751 (defun gnus-article-hide (&optional arg force)
5752 "Hide all the gruft in the current article.
5753 This means that signatures, cited text and (some) headers will be
5755 If given a prefix, show the hidden text instead."
5756 (interactive (append (gnus-article-hidden-arg) (list 'force)))
5757 (gnus-article-hide-headers arg)
5758 (gnus-article-hide-list-identifiers arg)
5759 (gnus-article-hide-citation-maybe arg force)
5760 (gnus-article-hide-signature arg))
5762 (defun gnus-article-maybe-highlight ()
5763 "Do some article highlighting if article highlighting is requested."
5764 (when (gnus-visual-p 'article-highlight 'highlight)
5765 (gnus-article-highlight-some)))
5767 (defun gnus-check-group-server ()
5768 ;; Make sure the connection to the server is alive.
5769 (unless (gnus-server-opened
5770 (gnus-find-method-for-group gnus-newsgroup-name))
5771 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5772 (gnus-request-group gnus-newsgroup-name t)))
5775 (autoload 'nneething-get-file-name "nneething"))
5777 (defun gnus-request-article-this-buffer (article group)
5778 "Get an article and insert it into this buffer."
5779 (let (do-update-line sparse-header)
5783 (gnus-kill-all-overlays)
5784 (setq group (or group gnus-newsgroup-name))
5786 ;; Using `gnus-request-article' directly will insert the article into
5787 ;; `nntp-server-buffer' - so we'll save some time by not having to
5788 ;; copy it from the server buffer into the article buffer.
5790 ;; We only request an article by message-id when we do not have the
5791 ;; headers for it, so we'll have to get those.
5792 (when (stringp article)
5793 (gnus-read-header article))
5795 ;; If the article number is negative, that means that this article
5796 ;; doesn't belong in this newsgroup (possibly), so we find its
5797 ;; message-id and request it by id instead of number.
5798 (when (and (numberp article)
5800 (get-buffer gnus-summary-buffer)
5801 (gnus-buffer-exists-p gnus-summary-buffer))
5803 (set-buffer gnus-summary-buffer)
5804 (let ((header (gnus-summary-article-header article)))
5807 ((memq article gnus-newsgroup-sparse)
5808 ;; This is a sparse gap article.
5809 (setq do-update-line article)
5810 (setq article (mail-header-id header))
5811 (setq sparse-header (gnus-read-header article))
5812 (setq gnus-newsgroup-sparse
5813 (delq article gnus-newsgroup-sparse)))
5815 ;; It's a real article.
5816 (setq article (mail-header-id header)))
5818 ;; It is an extracted pseudo-article.
5819 (setq article 'pseudo)
5820 (gnus-request-pseudo-article header))))
5822 (let ((method (gnus-find-method-for-group
5823 gnus-newsgroup-name)))
5824 (when (and (eq (car method) 'nneething)
5826 (let ((dir (nneething-get-file-name
5827 (mail-header-id header))))
5828 (when (and (stringp dir)
5829 (file-directory-p dir))
5830 (setq article 'nneething)
5831 (gnus-group-enter-directory dir))))))))
5834 ;; Refuse to select canceled articles.
5835 ((and (numberp article)
5837 (get-buffer gnus-summary-buffer)
5838 (gnus-buffer-exists-p gnus-summary-buffer)
5839 (eq (cdr (save-excursion
5840 (set-buffer gnus-summary-buffer)
5841 (assq article gnus-newsgroup-reads)))
5842 gnus-canceled-mark))
5844 ;; We first check `gnus-original-article-buffer'.
5845 ((and (get-buffer gnus-original-article-buffer)
5848 (set-buffer gnus-original-article-buffer)
5849 (and (equal (car gnus-original-article) group)
5850 (eq (cdr gnus-original-article) article))))
5851 (insert-buffer-substring gnus-original-article-buffer)
5853 ;; Check the backlog.
5854 ((and gnus-keep-backlog
5855 (gnus-backlog-request-article group article (current-buffer)))
5857 ;; Check asynchronous pre-fetch.
5858 ((gnus-async-request-fetched-article group article (current-buffer))
5859 (gnus-async-prefetch-next group article gnus-summary-buffer)
5860 (when (and (numberp article) gnus-keep-backlog)
5861 (gnus-backlog-enter-article group article (current-buffer)))
5864 ((and gnus-use-cache
5866 (gnus-cache-request-article article group))
5868 ;; Check the agent cache.
5869 ((gnus-agent-request-article article group)
5871 ;; Get the article and put into the article buffer.
5872 ((or (stringp article)
5874 (let ((gnus-override-method gnus-override-method)
5875 (methods (and (stringp article)
5876 gnus-refer-article-method))
5877 (backend (car (gnus-find-method-for-group
5878 gnus-newsgroup-name)))
5880 (inhibit-read-only t))
5881 (if (or (not (listp methods))
5882 (and (symbolp (car methods))
5883 (assq (car methods) nnoo-definition-alist)))
5884 (setq methods (list methods)))
5885 (when (and (null gnus-override-method)
5887 (setq gnus-override-method (pop methods)))
5889 (when (eq gnus-override-method 'current)
5890 (setq gnus-override-method
5891 (with-current-buffer gnus-summary-buffer
5892 gnus-current-select-method)))
5894 (gnus-kill-all-overlays)
5895 (let ((gnus-newsgroup-name group))
5896 (gnus-check-group-server))
5898 ((gnus-request-article article group (current-buffer))
5899 (when (numberp article)
5900 (gnus-async-prefetch-next group article
5901 gnus-summary-buffer)
5902 (when gnus-keep-backlog
5903 (gnus-backlog-enter-article
5904 group article (current-buffer))))
5905 (setq result 'article))
5907 (setq gnus-override-method (pop methods)))
5908 ((not (string-match "^400 "
5909 (nnheader-get-report backend)))
5910 ;; If we get 400 server disconnect, reconnect and
5911 ;; retry; otherwise, assume the article has expired.
5912 (setq result 'done))))
5913 (and (eq result 'article) 'article)))
5917 ;; Associate this article with the current summary buffer.
5918 (setq gnus-article-current-summary gnus-summary-buffer)
5920 ;; Take the article from the original article buffer
5921 ;; and place it in the buffer it's supposed to be in.
5922 (when (and (get-buffer gnus-article-buffer)
5923 (equal (buffer-name (current-buffer))
5924 (buffer-name (get-buffer gnus-article-buffer))))
5926 (if (get-buffer gnus-original-article-buffer)
5927 (set-buffer gnus-original-article-buffer)
5928 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
5929 (buffer-disable-undo)
5930 (setq major-mode 'gnus-original-article-mode)
5931 (setq buffer-read-only t))
5932 (let ((inhibit-read-only t))
5934 (insert-buffer-substring gnus-article-buffer))
5935 (setq gnus-original-article (cons group article)))
5938 (run-hooks 'gnus-article-decode-hook)
5939 ;; Mark article as decoded or not.
5940 (setq gnus-article-decoded-p gnus-article-decode-hook))
5942 ;; Update sparse articles.
5943 (when (and do-update-line
5944 (or (numberp article)
5946 (let ((buf (current-buffer)))
5947 (set-buffer gnus-summary-buffer)
5948 (gnus-summary-update-article do-update-line sparse-header)
5949 (gnus-summary-goto-subject do-update-line nil t)
5950 (set-window-point (gnus-get-buffer-window (current-buffer) t)
5952 (set-buffer buf))))))
5958 (defcustom gnus-article-edit-mode-hook nil
5959 "Hook run in article edit mode buffers."
5960 :group 'gnus-article-various
5963 (defvar gnus-article-edit-done-function nil)
5965 (defvar gnus-article-edit-mode-map nil)
5966 (defvar gnus-article-edit-mode nil)
5968 ;; Should we be using derived.el for this?
5969 (unless gnus-article-edit-mode-map
5970 (setq gnus-article-edit-mode-map (make-keymap))
5971 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
5973 (gnus-define-keys gnus-article-edit-mode-map
5974 "\C-c?" describe-mode
5975 "\C-c\C-c" gnus-article-edit-done
5976 "\C-c\C-k" gnus-article-edit-exit
5977 "\C-c\C-f\C-t" message-goto-to
5978 "\C-c\C-f\C-o" message-goto-from
5979 "\C-c\C-f\C-b" message-goto-bcc
5980 ;;"\C-c\C-f\C-w" message-goto-fcc
5981 "\C-c\C-f\C-c" message-goto-cc
5982 "\C-c\C-f\C-s" message-goto-subject
5983 "\C-c\C-f\C-r" message-goto-reply-to
5984 "\C-c\C-f\C-n" message-goto-newsgroups
5985 "\C-c\C-f\C-d" message-goto-distribution
5986 "\C-c\C-f\C-f" message-goto-followup-to
5987 "\C-c\C-f\C-m" message-goto-mail-followup-to
5988 "\C-c\C-f\C-k" message-goto-keywords
5989 "\C-c\C-f\C-u" message-goto-summary
5990 "\C-c\C-f\C-i" message-insert-or-toggle-importance
5991 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
5992 "\C-c\C-b" message-goto-body
5993 "\C-c\C-i" message-goto-signature
5995 "\C-c\C-t" message-insert-to
5996 "\C-c\C-n" message-insert-newsgroups
5997 "\C-c\C-o" message-sort-headers
5998 "\C-c\C-e" message-elide-region
5999 "\C-c\C-v" message-delete-not-region
6000 "\C-c\C-z" message-kill-to-signature
6001 "\M-\r" message-newline-and-reformat
6002 "\C-c\C-a" mml-attach-file
6003 "\C-a" message-beginning-of-line
6005 "\M-;" comment-region)
6007 (gnus-define-keys (gnus-article-edit-wash-map
6008 "\C-c\C-w" gnus-article-edit-mode-map)
6009 "f" gnus-article-edit-full-stops))
6012 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
6014 ["Fetch To" message-insert-to t]
6015 ["Fetch Newsgroups" message-insert-newsgroups t]
6017 ["To" message-goto-to t]
6018 ["From" message-goto-from t]
6019 ["Subject" message-goto-subject t]
6020 ["Cc" message-goto-cc t]
6021 ["Reply-To" message-goto-reply-to t]
6022 ["Summary" message-goto-summary t]
6023 ["Keywords" message-goto-keywords t]
6024 ["Newsgroups" message-goto-newsgroups t]
6025 ["Followup-To" message-goto-followup-to t]
6026 ["Mail-Followup-To" message-goto-mail-followup-to t]
6027 ["Distribution" message-goto-distribution t]
6028 ["Body" message-goto-body t]
6029 ["Signature" message-goto-signature t]))
6031 (define-derived-mode gnus-article-edit-mode message-mode "Article Edit"
6032 "Major mode for editing articles.
6033 This is an extended text-mode.
6035 \\{gnus-article-edit-mode-map}"
6036 (make-local-variable 'gnus-article-edit-done-function)
6037 (make-local-variable 'gnus-prev-winconf)
6038 (set (make-local-variable 'font-lock-defaults)
6039 '(message-font-lock-keywords t))
6040 (set (make-local-variable 'mail-header-separator) "")
6041 (set (make-local-variable 'gnus-article-edit-mode) t)
6042 (easy-menu-add message-mode-field-menu message-mode-map)
6044 (setq buffer-read-only nil)
6045 (buffer-enable-undo)
6048 (defun gnus-article-edit (&optional force)
6049 "Edit the current article.
6050 This will have permanent effect only in mail groups.
6051 If FORCE is non-nil, allow editing of articles even in read-only
6054 (when (and (not force)
6055 (gnus-group-read-only-p))
6056 (error "The current newsgroup does not support article editing"))
6057 (gnus-article-date-original)
6058 (gnus-article-edit-article
6060 `(lambda (no-highlight)
6062 (gnus-summary-edit-article-done
6063 ,(or (mail-header-references gnus-current-headers) "")
6064 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
6066 (defun gnus-article-edit-article (start-func exit-func)
6067 "Start editing the contents of the current article buffer."
6068 (let ((winconf (current-window-configuration)))
6069 (set-buffer gnus-article-buffer)
6070 (let ((message-auto-save-directory
6071 ;; Don't associate the article buffer with a draft file.
6073 (gnus-article-edit-mode))
6074 (funcall start-func)
6075 (set-buffer-modified-p nil)
6076 (gnus-configure-windows 'edit-article)
6077 (setq gnus-article-edit-done-function exit-func)
6078 (setq gnus-prev-winconf winconf)
6079 (gnus-message 6 "C-c C-c to end edits")))
6081 (defun gnus-article-edit-done (&optional arg)
6082 "Update the article edits and exit."
6084 (let ((func gnus-article-edit-done-function)
6085 (buf (current-buffer))
6086 (start (window-start))
6088 (winconf gnus-prev-winconf))
6089 (widen) ;; Widen it in case that users narrowed the buffer.
6092 ;; The cache and backlog have to be flushed somewhat.
6093 (when gnus-keep-backlog
6094 (gnus-backlog-remove-article
6095 (car gnus-article-current) (cdr gnus-article-current)))
6096 ;; Flush original article as well.
6098 (when (get-buffer gnus-original-article-buffer)
6099 (set-buffer gnus-original-article-buffer)
6100 (setq gnus-original-article nil)))
6101 (when gnus-use-cache
6102 (gnus-cache-update-article
6103 (car gnus-article-current) (cdr gnus-article-current)))
6104 ;; We remove all text props from the article buffer.
6105 (kill-all-local-variables)
6106 (gnus-set-text-properties (point-min) (point-max) nil)
6108 (set-window-configuration winconf)
6110 (set-window-start (get-buffer-window buf) start)
6111 (set-window-point (get-buffer-window buf) (point)))
6112 (gnus-summary-show-article))
6114 (defun gnus-article-edit-exit ()
6115 "Exit the article editing without updating."
6117 (when (or (not (buffer-modified-p))
6118 (yes-or-no-p "Article modified; kill anyway? "))
6119 (let ((curbuf (current-buffer))
6121 (window-start (window-start)))
6123 (if (gnus-buffer-live-p gnus-original-article-buffer)
6124 (insert-buffer-substring gnus-original-article-buffer))
6125 (let ((winconf gnus-prev-winconf))
6126 (kill-all-local-variables)
6128 (set-window-configuration winconf)
6129 ;; Tippy-toe some to make sure that point remains where it was.
6130 (save-current-buffer
6132 (set-window-start (get-buffer-window (current-buffer)) window-start)
6134 (gnus-summary-show-article)))
6136 (defun gnus-article-edit-full-stops ()
6137 "Interactively repair spacing at end of sentences."
6140 (goto-char (point-min))
6141 (search-forward-regexp "^$" nil t)
6142 (let ((case-fold-search nil))
6143 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
6146 ;;; Article highlights
6149 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
6151 ;;; Internal Variables:
6153 (defcustom gnus-button-url-regexp
6154 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
6155 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
6156 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
6157 "Regular expression that matches URLs."
6158 :group 'gnus-article-buttons
6161 (defcustom gnus-button-valid-fqdn-regexp
6162 message-valid-fqdn-regexp
6163 "Regular expression that matches a valid FQDN."
6165 :group 'gnus-article-buttons
6168 ;; Regexp suggested by Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
6169 (defcustom gnus-button-valid-localpart-regexp
6170 "[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t @]*"
6171 "Regular expression that matches a localpart of mail addresses or MIDs."
6173 :group 'gnus-article-buttons
6176 (defcustom gnus-button-man-handler 'manual-entry
6177 "Function to use for displaying man pages.
6178 The function must take at least one argument with a string naming the
6181 :type '(choice (function-item :tag "Man" manual-entry)
6182 (function-item :tag "Woman" woman)
6183 (function :tag "Other"))
6184 :group 'gnus-article-buttons)
6186 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
6187 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
6188 If the default site is too slow, try to find a CTAN mirror, see
6189 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
6190 the variable `gnus-button-handle-ctan'."
6192 :group 'gnus-article-buttons
6193 :link '(custom-manual "(gnus)Group Parameters")
6194 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
6195 (const "http://tug.ctan.org/tex-archive/")
6196 (const "http://www.dante.de/CTAN/")
6197 (string :tag "Other")))
6199 (defcustom gnus-button-ctan-handler 'browse-url
6200 "Function to use for displaying CTAN links.
6201 The function must take one argument, the string naming the URL."
6203 :type '(choice (function-item :tag "Browse Url" browse-url)
6204 (function :tag "Other"))
6205 :group 'gnus-article-buttons)
6207 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
6208 "Bogus strings removed from CTAN URLs."
6210 :group 'gnus-article-buttons
6211 :type '(choice (const "^/?tex-archive/\\|/")
6212 (regexp :tag "Other")))
6214 (defcustom gnus-button-ctan-directory-regexp
6216 (list "archive-tools" "biblio" "bibliography" "digests" "documentation"
6217 "dviware" "fonts" "graphics" "help" "indexing" "info" "language"
6218 "languages" "macros" "nonfree" "obsolete" "support" "systems"
6219 "tds" "tools" "usergrps" "web") t)
6220 "Regular expression for ctan directories.
6221 It should match all directories in the top level of `gnus-ctan-url'."
6223 :group 'gnus-article-buttons
6226 (defcustom gnus-button-mid-or-mail-regexp
6227 (concat "\\b\\(<?" gnus-button-valid-localpart-regexp "@"
6228 gnus-button-valid-fqdn-regexp
6230 "Regular expression that matches a message ID or a mail address."
6232 :group 'gnus-article-buttons
6235 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
6236 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
6237 Strings like this can be either a message ID or a mail address. If it is one
6238 of the symbols `mid' or `mail', Gnus will always assume that the string is a
6239 message ID or a mail address, respectively. If this variable is set to the
6240 symbol `ask', always query the user what do do. If it is a function, this
6241 function will be called with the string as its only argument. The function
6242 must return `mid', `mail', `invalid' or `ask'."
6244 :group 'gnus-article-buttons
6245 :type '(choice (function-item :tag "Heuristic function"
6246 gnus-button-mid-or-mail-heuristic)
6251 (defcustom gnus-button-mid-or-mail-heuristic-alist
6252 '((-10.0 . ".+\\$.+@")
6255 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
6256 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
6257 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
6258 (-1.0 . "^[^a-z]+@")
6260 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
6261 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
6262 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
6263 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
6266 (-1.0 . "^[0-9][0-9]")
6268 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
6269 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6270 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
6271 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6273 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
6274 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
6277 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
6279 ;; compensation for TDMA dated mail addresses:
6280 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
6282 (-20.0 . "\\.fsf@") ;; Gnus
6285 (-20.0 . "_-_") ;; Subject change in thread
6287 (-20.0 . "\\.ln@") ;; leafnode
6288 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
6289 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
6291 ;; (5.0 . "") ;; $local_part_len <= 7
6292 (10.0 . "^[^0-9]+@")
6293 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
6294 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
6297 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
6299 (0.5 . "^[A-Z][a-z]")
6300 (0.5 . "^[A-Z][a-z][a-z]")
6301 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
6302 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
6303 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
6305 A negative RATE indicates a message IDs, whereas a positive indicates a mail
6306 address. The REGEXP is processed with `case-fold-search' set to nil."
6308 :group 'gnus-article-buttons
6309 :type '(repeat (cons (number :tag "Rate")
6310 (regexp :tag "Regexp"))))
6312 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
6313 "Guess whether MID-OR-MAIL is a message ID or a mail address.
6314 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
6315 address, `ask' if unsure and `invalid' if the string is invalid."
6316 (let ((case-fold-search nil)
6317 (list gnus-button-mid-or-mail-heuristic-alist)
6318 (result 0) rate regexp lpartlen elem)
6320 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
6321 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
6322 ;; Certain special cases...
6325 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
6326 "^[0-9]+\\.[0-9]+@compuserve\\|"
6327 "@public\\.gmane\\.org")
6329 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
6330 (setq result 'mail))
6331 (when (string-match "@.*@\\| " mid-or-mail)
6332 (gnus-message 8 "`%s' is invalid." mid-or-mail)
6333 (setq result 'invalid))
6334 ;; Nothing more to do, if result is not a number here...
6335 (when (numberp result)
6337 (setq elem (car list)
6341 (when (string-match regexp mid-or-mail)
6342 (setq result (+ result rate))
6344 9 "`%s' matched `%s', rate `%s', result `%s'."
6345 mid-or-mail regexp rate result)))
6346 (when (<= lpartlen 7)
6347 (setq result (+ result 5.0))
6348 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
6349 mid-or-mail result))
6350 (when (>= lpartlen 12)
6351 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
6353 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
6354 ;; Long local part should contain realname if e-mail address,
6355 ;; too many digits: message-id.
6356 ;; $score -= 5.0 + 0.1 * $local_part_len;
6357 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
6358 (setq result (+ result rate))
6360 9 "Many digits in `%s', rate `%s', result `%s'."
6361 mid-or-mail rate result))
6362 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
6364 ;; Too few vowels [^aeiouy]{4,}.*\@
6365 (setq result (+ result -5.0))
6367 9 "Few vowels in `%s', rate `%s', result `%s'."
6368 mid-or-mail -5.0 result))
6370 (setq result (+ result 5.0))
6372 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
6373 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
6374 ;; Maybe we should make this a customizable alist: (condition . 'result)
6376 ((symbolp result) result)
6377 ;; Now convert number into proper results:
6378 ((< result -10.0) 'mid)
6379 ((> result 10.0) 'mail)
6382 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
6383 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
6384 (url-mid (concat "news" ":" mid-or-mail))
6385 (url-mailto (concat "mailto" ":" mid-or-mail)))
6386 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
6387 (when (fboundp pref)
6389 ;; get rid of surrounding angles...
6391 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
6392 (if (or (eq 'mid guessed) (eq 'mail guessed))
6396 (save-window-excursion
6397 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
6400 (cond ((eq pref 'mid)
6401 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
6402 (gnus-button-handle-news url-mid))
6404 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
6405 (gnus-url-mailto url-mailto))
6406 (t (gnus-message 3 "Invalid string.")))))
6408 (defun gnus-button-handle-custom (url)
6409 "Follow a Custom URL."
6410 (customize-apropos (gnus-url-unhex-string url)))
6412 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
6414 ;; FIXME: Maybe we should merge some of the functions that do quite similar
6417 (defun gnus-button-handle-describe-function (url)
6418 "Call `describe-function' when pushing the corresponding URL button."
6421 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6423 (defun gnus-button-handle-describe-variable (url)
6424 "Call `describe-variable' when pushing the corresponding URL button."
6427 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6429 (defun gnus-button-handle-symbol (url)
6430 "Display help on variable or function.
6431 Calls `describe-variable' or `describe-function'."
6432 (let ((sym (intern url)))
6434 ((fboundp sym) (describe-function sym))
6435 ((boundp sym) (describe-variable sym))
6436 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
6438 (defun gnus-button-handle-describe-key (url)
6439 "Call `describe-key' when pushing the corresponding URL button."
6441 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
6442 (keys (ignore-errors (eval `(kbd ,key-string)))))
6445 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
6447 (defun gnus-button-handle-apropos (url)
6448 "Call `apropos' when pushing the corresponding URL button."
6449 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6451 (defun gnus-button-handle-apropos-command (url)
6452 "Call `apropos' when pushing the corresponding URL button."
6454 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6456 (defun gnus-button-handle-apropos-variable (url)
6457 "Call `apropos' when pushing the corresponding URL button."
6459 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
6460 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6462 (defun gnus-button-handle-apropos-documentation (url)
6463 "Call `apropos' when pushing the corresponding URL button."
6465 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
6466 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6468 (defun gnus-button-handle-library (url)
6469 "Call `locate-library' when pushing the corresponding URL button."
6470 (gnus-message 9 "url=`%s'" url)
6471 (let* ((lib (locate-library url))
6472 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
6474 (gnus-message 1 "Cannot locale library `%s'." url)
6475 (find-file-read-only file))))
6477 (defun gnus-button-handle-ctan (url)
6478 "Call `browse-url' when pushing a CTAN URL button."
6480 gnus-button-ctan-handler
6483 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
6485 (defcustom gnus-button-tex-level 5
6486 "*Integer that says how many TeX-related buttons Gnus will show.
6487 The higher the number, the more buttons will appear and the more false
6488 positives are possible. Note that you can set this variable local to
6489 specific groups. Setting it higher in TeX groups is probably a good idea.
6490 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6491 how to set variables in specific groups."
6493 :group 'gnus-article-buttons
6494 :link '(custom-manual "(gnus)Group Parameters")
6497 (defcustom gnus-button-man-level 5
6498 "*Integer that says how many man-related buttons Gnus will show.
6499 The higher the number, the more buttons will appear and the more false
6500 positives are possible. Note that you can set this variable local to
6501 specific groups. Setting it higher in Unix groups is probably a good idea.
6502 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6503 how to set variables in specific groups."
6505 :group 'gnus-article-buttons
6506 :link '(custom-manual "(gnus)Group Parameters")
6509 (defcustom gnus-button-emacs-level 5
6510 "*Integer that says how many emacs-related buttons Gnus will show.
6511 The higher the number, the more buttons will appear and the more false
6512 positives are possible. Note that you can set this variable local to
6513 specific groups. Setting it higher in Emacs or Gnus related groups is
6514 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
6515 `gnus-parameters' on how to set variables in specific groups."
6517 :group 'gnus-article-buttons
6518 :link '(custom-manual "(gnus)Group Parameters")
6521 (defcustom gnus-button-message-level 5
6522 "*Integer that says how many buttons for news or mail messages will appear.
6523 The higher the number, the more buttons will appear and the more false
6524 positives are possible."
6525 ;; mail addresses, MIDs, URLs for news, ...
6527 :group 'gnus-article-buttons
6530 (defcustom gnus-button-browse-level 5
6531 "*Integer that says how many buttons for browsing will appear.
6532 The higher the number, the more buttons will appear and the more false
6533 positives are possible."
6534 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
6536 :group 'gnus-article-buttons
6539 (defcustom gnus-button-alist
6540 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
6541 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
6542 ((concat "\\b\\(nntp\\|news\\):\\("
6543 gnus-button-valid-localpart-regexp "@[a-z0-9.-]+[a-z]\\)")
6544 0 t gnus-button-handle-news 2)
6545 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
6546 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
6547 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
6548 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
6549 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
6550 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
6551 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
6552 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
6553 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
6554 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
6555 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
6556 ;; RFC 2368 (The mailto URL scheme)
6557 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6558 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6559 ("\\bmailto:\\([^ \n\t]+\\)"
6560 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6562 ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\("
6563 gnus-button-ctan-directory-regexp
6564 "[^][>)!;:,'\n\t ]+\\)")
6565 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
6566 ((concat "\\btex-archive/\\("
6567 gnus-button-ctan-directory-regexp
6568 "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
6569 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
6572 gnus-button-ctan-directory-regexp
6573 "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
6574 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
6575 ;; This is info (home-grown style) <info://foo/bar+baz>
6576 ("\\binfo://\\([^'\">\n\t ]+\\)"
6577 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
6578 ;; Info GNOME style <info:foo#bar_baz>
6579 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
6580 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
6581 ;; Info KDE style <info:(foo)bar baz>
6582 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
6583 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
6584 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
6585 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
6586 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
6587 ;; Info links like `C-h i d m CC Mode RET'
6588 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
6590 ("\\bcustom:\\(//\\)?\\([^'\">\n\t ]+\\)"
6591 0 (>= gnus-button-emacs-level 5) gnus-button-handle-custom 2)
6592 ("M-x[ \t\n]customize-[^ ]+[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
6593 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1)
6594 ;; Emacs help commands
6595 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6596 ;; regexp doesn't match arguments containing ` '.
6597 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
6598 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6599 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
6600 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6601 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
6602 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6603 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
6604 ;; The following entries may lead to many false positives so don't enable
6605 ;; them by default (use a high button level).
6606 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>[^.?]"
6607 ;; Exclude [.?] for URLs in gmane.emacs.cvs
6608 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6609 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
6610 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6611 ("`\\([a-z][a-z0-9]+-[a-z]+-[-a-z]+\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
6612 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
6613 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
6614 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
6615 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
6616 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
6617 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6618 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
6619 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6620 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
6621 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6622 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
6623 ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
6624 ;; Unlike the other regexps we really have to require quoting
6625 ;; here to determine where it ends.
6626 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
6627 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
6628 ("<URL: *\\([^<>]*\\)>"
6629 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6630 ;; RFC 2396 (2.4.3., delims) ...
6631 ("\"URL: *\\([^\"]*\\)\""
6632 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6633 ;; RFC 2396 (2.4.3., delims) ...
6634 ("\"URL: *\\([^\"]*\\)\""
6635 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6637 (gnus-button-url-regexp
6638 0 (>= gnus-button-browse-level 0) browse-url 0)
6640 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
6641 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
6642 gnus-button-handle-man 1)
6643 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
6644 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
6645 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
6646 gnus-button-handle-man 1)
6647 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
6648 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
6649 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W"
6650 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
6651 ;; MID or mail: To avoid too many false positives we don't try to catch
6652 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
6653 ;; at least one dot. TLD must contain two or three chars or be a know TLD
6654 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
6655 ;; so that non-ambiguous entries (see above) match first.
6656 (gnus-button-mid-or-mail-regexp
6657 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
6658 "*Alist of regexps matching buttons in article bodies.
6660 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
6661 REGEXP: is the string (case insensitive) matching text around the button (can
6662 also be Lisp expression evaluating to a string),
6663 BUTTON: is the number of the regexp grouping actually matching the button,
6664 FORM: is a Lisp expression which must eval to true for the button to
6666 CALLBACK: is the function to call when the user push this button, and each
6667 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
6669 CALLBACK can also be a variable, in that case the value of that
6670 variable it the real callback function."
6671 :group 'gnus-article-buttons
6672 :type '(repeat (list (choice regexp variable sexp)
6673 (integer :tag "Button")
6675 (function :tag "Callback")
6678 (integer :tag "Regexp group")))))
6680 (defcustom gnus-header-button-alist
6681 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
6682 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
6683 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
6684 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
6685 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
6686 0 (>= gnus-button-message-level 0) gnus-msg-mail 0)
6687 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
6688 0 (>= gnus-button-browse-level 0) browse-url 0)
6689 ("^Subject:" gnus-button-url-regexp
6690 0 (>= gnus-button-browse-level 0) browse-url 0)
6691 ("^[^:]+:" gnus-button-url-regexp
6692 0 (>= gnus-button-browse-level 0) browse-url 0)
6693 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6694 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6695 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
6696 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
6697 "*Alist of headers and regexps to match buttons in article heads.
6699 This alist is very similar to `gnus-button-alist', except that each
6700 alist has an additional HEADER element first in each entry:
6702 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
6704 HEADER is a regexp to match a header. For a fuller explanation, see
6705 `gnus-button-alist'."
6706 :group 'gnus-article-buttons
6707 :group 'gnus-article-headers
6708 :type '(repeat (list (regexp :tag "Header")
6709 (choice regexp variable)
6710 (integer :tag "Button")
6712 (function :tag "Callback")
6715 (integer :tag "Regexp group")))))
6719 (defun gnus-article-push-button (event)
6720 "Check text under the mouse pointer for a callback function.
6721 If the text under the mouse pointer has a `gnus-callback' property,
6722 call it with the value of the `gnus-data' text property."
6724 (set-buffer (window-buffer (posn-window (event-start event))))
6725 (let* ((pos (posn-point (event-start event)))
6726 (data (get-text-property pos 'gnus-data))
6727 (fun (get-text-property pos 'gnus-callback)))
6730 (funcall fun data))))
6732 (defun gnus-article-press-button ()
6733 "Check text at point for a callback function.
6734 If the text at point has a `gnus-callback' property,
6735 call it with the value of the `gnus-data' text property."
6737 (let ((data (get-text-property (point) 'gnus-data))
6738 (fun (get-text-property (point) 'gnus-callback)))
6740 (funcall fun data))))
6742 (defun gnus-article-highlight (&optional force)
6743 "Highlight current article.
6744 This function calls `gnus-article-highlight-headers',
6745 `gnus-article-highlight-citation',
6746 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6747 do the highlighting. See the documentation for those functions."
6748 (interactive (list 'force))
6749 (gnus-article-highlight-headers)
6750 (gnus-article-highlight-citation force)
6751 (gnus-article-highlight-signature)
6752 (gnus-article-add-buttons force)
6753 (gnus-article-add-buttons-to-head))
6755 (defun gnus-article-highlight-some (&optional force)
6756 "Highlight current article.
6757 This function calls `gnus-article-highlight-headers',
6758 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6759 do the highlighting. See the documentation for those functions."
6760 (interactive (list 'force))
6761 (gnus-article-highlight-headers)
6762 (gnus-article-highlight-signature)
6763 (gnus-article-add-buttons))
6765 (defun gnus-article-highlight-headers ()
6766 "Highlight article headers as specified by `gnus-header-face-alist'."
6769 (set-buffer gnus-article-buffer)
6771 (let ((alist gnus-header-face-alist)
6772 (inhibit-read-only t)
6773 (case-fold-search t)
6774 (inhibit-point-motion-hooks t)
6775 entry regexp header-face field-face from hpoints fpoints)
6776 (article-narrow-to-head)
6777 (while (setq entry (pop alist))
6778 (goto-char (point-min))
6779 (setq regexp (concat "^\\("
6780 (if (string-equal "" (nth 0 entry))
6784 header-face (nth 1 entry)
6785 field-face (nth 2 entry))
6786 (while (and (re-search-forward regexp nil t)
6790 (unless (search-forward ":" nil t)
6792 (when (and header-face
6793 (not (memq (point) hpoints)))
6794 (push (point) hpoints)
6795 (gnus-put-text-property from (point) 'face header-face))
6796 (when (and field-face
6797 (not (memq (setq from (point)) fpoints)))
6799 (if (re-search-forward "^[^ \t]" nil t)
6801 (goto-char (point-max)))
6802 (gnus-put-text-property from (point) 'face field-face))))))))
6804 (defun gnus-article-highlight-signature ()
6805 "Highlight the signature in an article.
6806 It does this by highlighting everything after
6807 `gnus-signature-separator' using the face `gnus-signature'."
6810 (set-buffer gnus-article-buffer)
6811 (let ((inhibit-read-only t)
6812 (inhibit-point-motion-hooks t))
6814 (when (and gnus-signature-face
6815 (gnus-article-narrow-to-signature))
6816 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
6817 'face gnus-signature-face)
6819 (gnus-article-search-signature)
6820 (let ((start (match-beginning 0))
6821 (end (set-marker (make-marker) (1+ (match-end 0)))))
6822 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
6825 (defun gnus-button-in-region-p (b e prop)
6826 "Say whether PROP exists in the region."
6827 (text-property-not-all b e prop nil))
6829 (defun gnus-article-add-buttons (&optional force)
6830 "Find external references in the article and make buttons of them.
6831 \"External references\" are things like Message-IDs and URLs, as
6832 specified by `gnus-button-alist'."
6833 (interactive (list 'force))
6835 (set-buffer gnus-article-buffer)
6836 (let ((inhibit-read-only t)
6837 (inhibit-point-motion-hooks t)
6838 (case-fold-search t)
6839 (alist gnus-button-alist)
6841 ;; Remove all old markers.
6842 (let (marker entry new-list)
6843 (while (setq marker (pop gnus-button-marker-list))
6844 (if (or (< marker (point-min)) (>= marker (point-max)))
6845 (push marker new-list)
6847 (when (setq entry (gnus-button-entry))
6848 (put-text-property (match-beginning (nth 1 entry))
6849 (match-end (nth 1 entry))
6850 'gnus-callback nil))
6851 (set-marker marker nil)))
6852 (setq gnus-button-marker-list new-list))
6853 ;; We skip the headers.
6856 (while (setq entry (pop alist))
6857 (setq regexp (eval (car entry)))
6859 (while (re-search-forward regexp nil t)
6860 (let* ((start (and entry (match-beginning (nth 1 entry))))
6861 (end (and entry (match-end (nth 1 entry))))
6862 (from (match-beginning 0)))
6863 (when (and (or (eq t (nth 2 entry))
6864 (eval (nth 2 entry)))
6865 (not (gnus-button-in-region-p
6866 start end 'gnus-callback)))
6867 ;; That optional form returned non-nil, so we add the
6869 (gnus-article-add-button
6870 start end 'gnus-button-push
6871 (car (push (set-marker (make-marker) from)
6872 gnus-button-marker-list))))))))))
6874 ;; Add buttons to the head of an article.
6875 (defun gnus-article-add-buttons-to-head ()
6876 "Add buttons to the head of the article."
6879 (set-buffer gnus-article-buffer)
6881 (let ((inhibit-read-only t)
6882 (inhibit-point-motion-hooks t)
6883 (case-fold-search t)
6884 (alist gnus-header-button-alist)
6886 (article-narrow-to-head)
6888 ;; Each alist entry.
6889 (setq entry (car alist)
6891 (goto-char (point-min))
6892 (while (re-search-forward (car entry) nil t)
6893 ;; Each header matching the entry.
6894 (setq beg (match-beginning 0))
6895 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
6896 (match-beginning 0))
6899 (while (re-search-forward (eval (nth 1 entry)) end t)
6900 ;; Each match within a header.
6901 (let* ((entry (cdr entry))
6902 (start (match-beginning (nth 1 entry)))
6903 (end (match-end (nth 1 entry)))
6904 (form (nth 2 entry)))
6905 (goto-char (match-end 0))
6907 (gnus-article-add-button
6908 start end (nth 3 entry)
6909 (buffer-substring (match-beginning (nth 4 entry))
6910 (match-end (nth 4 entry)))))))
6911 (goto-char end)))))))
6913 ;;; External functions:
6915 (defun gnus-article-add-button (from to fun &optional data)
6916 "Create a button between FROM and TO with callback FUN and data DATA."
6917 (when gnus-article-button-face
6918 (gnus-overlay-put (gnus-make-overlay from to)
6919 'face gnus-article-button-face))
6920 (gnus-add-text-properties
6922 (nconc (and gnus-article-mouse-face
6923 (list gnus-mouse-face-prop gnus-article-mouse-face))
6924 (list 'gnus-callback fun)
6925 (and data (list 'gnus-data data))))
6926 (widget-convert-button 'link from to :action 'gnus-widget-press-button
6927 :button-keymap gnus-widget-button-keymap))
6929 ;;; Internal functions:
6931 (defun gnus-article-set-globals ()
6933 (set-buffer gnus-summary-buffer)
6934 (gnus-set-global-variables)))
6936 (defun gnus-signature-toggle (end)
6938 (set-buffer gnus-article-buffer)
6939 (let ((inhibit-read-only t)
6940 (inhibit-point-motion-hooks t))
6941 (if (text-property-any end (point-max) 'article-type 'signature)
6943 (gnus-delete-wash-type 'signature)
6944 (gnus-remove-text-properties-when
6945 'article-type 'signature end (point-max)
6946 (cons 'article-type (cons 'signature
6947 gnus-hidden-properties))))
6948 (gnus-add-wash-type 'signature)
6949 (gnus-add-text-properties-when
6950 'article-type nil end (point-max)
6951 (cons 'article-type (cons 'signature
6952 gnus-hidden-properties)))))
6953 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
6954 (gnus-set-mode-line 'article))))
6956 (defun gnus-button-entry ()
6957 ;; Return the first entry in `gnus-button-alist' matching this place.
6958 (let ((alist gnus-button-alist)
6961 (setq entry (pop alist))
6962 (if (looking-at (eval (car entry)))
6967 (defun gnus-button-push (marker)
6968 ;; Push button starting at MARKER.
6971 (let* ((entry (gnus-button-entry))
6972 (inhibit-point-motion-hooks t)
6974 (args (mapcar (lambda (group)
6975 (let ((string (match-string group)))
6976 (gnus-set-text-properties
6977 0 (length string) nil string)
6984 (fboundp (symbol-value fun)))
6985 (apply (symbol-value fun) args))
6987 (gnus-message 1 "You must define `%S' to use this button"
6988 (cons fun args)))))))
6990 (defun gnus-parse-news-url (url)
6991 (let (scheme server port group message-id articles)
6994 (goto-char (point-min))
6995 (when (looking-at "\\([A-Za-z]+\\):")
6996 (setq scheme (match-string 1))
6997 (goto-char (match-end 0)))
6998 (when (looking-at "//\\([^:/]+\\)\\(:?\\)\\([0-9]+\\)?/")
6999 (setq server (match-string 1))
7000 (setq port (if (stringp (match-string 3))
7001 (string-to-number (match-string 3))
7003 (goto-char (match-end 0)))
7006 ((looking-at "\\(.*@.*\\)")
7007 (setq message-id (match-string 1)))
7008 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
7009 (setq group (match-string 1)
7010 articles (split-string (match-string 2) "-")))
7011 ((looking-at "\\([^/]+\\)/?")
7012 (setq group (match-string 1)))
7014 (error "Unknown news URL syntax"))))
7015 (list scheme server port group message-id articles)))
7017 (defun gnus-button-handle-news (url)
7019 (destructuring-bind (scheme server port group message-id articles)
7020 (gnus-parse-news-url url)
7024 (set-buffer gnus-summary-buffer)
7026 (let ((gnus-refer-article-method
7027 (nconc (list (list 'nntp server))
7028 gnus-refer-article-method))
7029 (nntp-port-number (or port "nntp")))
7030 (gnus-message 7 "Fetching %s with %s"
7031 message-id gnus-refer-article-method)
7032 (gnus-summary-refer-article message-id))
7033 (gnus-summary-refer-article message-id))))
7035 (gnus-button-fetch-group url)))))
7037 (defun gnus-button-handle-man (url)
7039 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7040 (when (eq gnus-button-man-handler 'woman)
7041 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
7042 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7043 (funcall gnus-button-man-handler url))
7045 (defun gnus-button-handle-info-url (url)
7046 "Fetch an info URL."
7047 (setq url (mm-subst-char-in-string ?+ ?\ url))
7049 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
7050 (gnus-info-find-node
7051 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
7053 ")" (gnus-url-unhex-string (match-string 2 url)))))
7054 ((string-match "([^)\"]+)[^\"]+" url)
7056 (gnus-replace-in-string
7057 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
7058 (gnus-info-find-node url))
7059 (t (error "Can't parse %s" url))))
7061 (defun gnus-button-handle-info-url-gnome (url)
7062 "Fetch GNOME style info URL."
7063 (setq url (mm-subst-char-in-string ?_ ?\ url))
7064 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
7065 (gnus-info-find-node
7067 (gnus-url-unhex-string
7068 (match-string 1 url))
7070 (or (gnus-url-unhex-string
7071 (match-string 2 url))
7073 (error "Can't parse %s" url)))
7075 (defun gnus-button-handle-info-url-kde (url)
7076 "Fetch KDE style info URL."
7077 (gnus-info-find-node (gnus-url-unhex-string url)))
7079 (defun gnus-button-handle-info-keystrokes (url)
7080 "Call `info' when pushing the corresponding URL button."
7081 ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
7086 (defun gnus-button-message-id (message-id)
7089 (set-buffer gnus-summary-buffer)
7090 (gnus-summary-refer-article message-id)))
7092 (defun gnus-button-fetch-group (address)
7093 "Fetch GROUP specified by ADDRESS."
7094 (if (not (string-match "[:/]" address))
7095 ;; This is just a simple group url.
7096 (gnus-group-read-ephemeral-group address gnus-select-method)
7099 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
7101 (error "Can't parse %s" address)
7102 (gnus-group-read-ephemeral-group
7103 (match-string 4 address)
7104 `(nntp ,(match-string 1 address)
7105 (nntp-address ,(match-string 1 address))
7106 (nntp-port-number ,(if (match-end 3)
7107 (match-string 3 address)
7110 (and (match-end 6) (list (string-to-number (match-string 6 address))))))))
7112 (defun gnus-url-parse-query-string (query &optional downcase)
7113 (let (retval pairs cur key val)
7114 (setq pairs (split-string query "&"))
7116 (setq cur (car pairs)
7118 (if (not (string-match "=" cur))
7120 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
7121 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
7123 (setq key (downcase key)))
7124 (setq cur (assoc key retval))
7126 (setcdr cur (cons val (cdr cur)))
7127 (setq retval (cons (list key val) retval)))))
7130 (defun gnus-url-mailto (url)
7131 ;; Send mail to someone
7132 (when (string-match "mailto:/*\\(.*\\)" url)
7133 (setq url (substring url (match-beginning 1) nil)))
7134 (let (to args subject func)
7135 (setq args (gnus-url-parse-query-string
7136 (if (string-match "^\\?" url)
7138 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
7139 (concat "to=" (match-string 1 url) "&"
7140 (match-string 2 url))
7141 (concat "to=" url)))
7143 subject (cdr-safe (assoc "subject" args)))
7146 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
7149 (message-position-on-field (caar args)))
7150 (insert (gnus-replace-in-string
7151 (mapconcat 'identity (reverse (cdar args)) ", ")
7153 (setq args (cdr args)))
7156 (message-goto-subject))))
7158 (defun gnus-button-embedded-url (address)
7159 "Activate ADDRESS with `browse-url'."
7160 (browse-url (gnus-strip-whitespace address)))
7162 ;;; Next/prev buttons in the article buffer.
7164 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
7165 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
7167 (defvar gnus-prev-page-map
7168 (let ((map (make-sparse-keymap)))
7169 (unless (>= emacs-major-version 21)
7170 ;; XEmacs doesn't care.
7171 (set-keymap-parent map gnus-article-mode-map))
7172 (define-key map gnus-mouse-2 'gnus-button-prev-page)
7173 (define-key map "\r" 'gnus-button-prev-page)
7176 (defvar gnus-next-page-map
7177 (let ((map (make-sparse-keymap)))
7178 (unless (>= emacs-major-version 21)
7179 ;; XEmacs doesn't care.
7180 (set-keymap-parent map gnus-article-mode-map))
7181 (define-key map gnus-mouse-2 'gnus-button-next-page)
7182 (define-key map "\r" 'gnus-button-next-page)
7185 (defun gnus-insert-prev-page-button ()
7187 (inhibit-read-only t))
7189 gnus-prev-page-line-format nil
7190 `(,@(gnus-local-map-property gnus-prev-page-map)
7192 gnus-callback gnus-article-button-prev-page
7193 article-type annotation))
7194 (widget-convert-button
7196 ;; Exclude a newline.
7199 :action 'gnus-button-prev-page
7200 :button-keymap gnus-prev-page-map)))
7202 (defun gnus-button-next-page (&optional args more-args)
7203 "Go to the next page."
7205 (let ((win (selected-window)))
7206 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7207 (gnus-article-next-page)
7208 (select-window win)))
7210 (defun gnus-button-prev-page (&optional args more-args)
7211 "Go to the prev page."
7213 (let ((win (selected-window)))
7214 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7215 (gnus-article-prev-page)
7216 (select-window win)))
7218 (defun gnus-insert-next-page-button ()
7220 (inhibit-read-only t))
7221 (gnus-eval-format gnus-next-page-line-format nil
7222 `(,@(gnus-local-map-property gnus-next-page-map)
7224 gnus-callback gnus-article-button-next-page
7225 article-type annotation))
7226 (widget-convert-button
7228 ;; Exclude a newline.
7231 :action 'gnus-button-next-page
7232 :button-keymap gnus-next-page-map)))
7234 (defun gnus-article-button-next-page (arg)
7235 "Go to the next page."
7237 (let ((win (selected-window)))
7238 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7239 (gnus-article-next-page)
7240 (select-window win)))
7242 (defun gnus-article-button-prev-page (arg)
7243 "Go to the prev page."
7245 (let ((win (selected-window)))
7246 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7247 (gnus-article-prev-page)
7248 (select-window win)))
7250 (defvar gnus-decode-header-methods
7251 '(mail-decode-encoded-word-region)
7252 "List of methods used to decode headers.
7254 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
7255 is FUNCTION, FUNCTION will be applied to all newsgroups. If item is a
7256 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
7257 whose names match REGEXP.
7260 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
7261 mail-decode-encoded-word-region
7262 (\"chinese\" . rfc1843-decode-region))
7265 (defvar gnus-decode-header-methods-cache nil)
7267 (defun gnus-multi-decode-header (start end)
7268 "Apply the functions from `gnus-encoded-word-methods' that match."
7269 (unless (and gnus-decode-header-methods-cache
7270 (eq gnus-newsgroup-name
7271 (car gnus-decode-header-methods-cache)))
7272 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
7275 (nconc gnus-decode-header-methods-cache (list x))
7276 (if (and gnus-newsgroup-name
7277 (string-match (car x) gnus-newsgroup-name))
7278 (nconc gnus-decode-header-methods-cache
7280 gnus-decode-header-methods))
7281 (let ((xlist gnus-decode-header-methods-cache))
7284 (narrow-to-region start end)
7286 (funcall (pop xlist) (point-min) (point-max))))))
7289 ;;; Treatment top-level handling.
7292 (defun gnus-treat-article (condition &optional part-number total-parts type)
7293 (let ((length (- (point-max) (point-min)))
7294 (alist gnus-treatment-function-alist)
7295 (article-goto-body-goes-to-point-min-p t)
7299 (let ((list gnus-article-treat-types))
7301 (when (string-match (pop list) type)
7302 (throw 'found t)))))))
7303 (highlightp (gnus-visual-p 'article-highlight 'highlight))
7305 (gnus-run-hooks 'gnus-part-display-hook)
7306 (dolist (elem alist)
7309 (when (gnus-buffer-live-p gnus-summary-buffer)
7310 (set-buffer gnus-summary-buffer))
7311 (symbol-value (car elem))))
7312 (when (and (or (consp val)
7314 (gnus-treat-predicate val)
7315 (or (not (get (car elem) 'highlight))
7318 (funcall (cadr elem)))))))
7320 ;; Dynamic variables.
7322 (defvar part-number)
7323 (defvar total-parts)
7328 (defun gnus-treat-predicate (val)
7335 (stringp (car val)))
7336 (apply 'gnus-or (mapcar `(lambda (s)
7337 (string-match s ,(or gnus-newsgroup-name "")))
7340 (let ((pred (pop val)))
7343 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
7345 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
7347 (not (gnus-treat-predicate (car val))))
7349 (equal (car val) type))
7351 (error "%S is not a valid predicate" pred)))))
7357 (eq part-number total-parts))
7361 (error "%S is not a valid value" val))))
7363 (defun gnus-article-encrypt-body (protocol &optional n)
7364 "Encrypt the article body."
7367 (or gnus-article-encrypt-protocol
7368 (completing-read "Encrypt protocol: "
7369 gnus-article-encrypt-protocol-alist
7371 current-prefix-arg))
7372 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
7374 (error "Can't find the encrypt protocol %s" protocol))
7375 (if (member gnus-newsgroup-name '("nndraft:delayed"
7378 (error "Can't encrypt the article in group %s"
7379 gnus-newsgroup-name))
7380 (gnus-summary-iterate n
7382 (set-buffer gnus-summary-buffer)
7383 (let ((mail-parse-charset gnus-newsgroup-charset)
7384 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
7385 (summary-buffer gnus-summary-buffer)
7387 (gnus-set-global-variables)
7388 (when (gnus-group-read-only-p)
7389 (error "The current newsgroup does not support article encrypt"))
7390 (gnus-summary-show-article t)
7392 (or (mail-header-references gnus-current-headers) ""))
7393 (set-buffer gnus-article-buffer)
7394 (let* ((inhibit-read-only t)
7396 (mapcar (lambda (field)
7397 (and (save-restriction
7398 (message-narrow-to-head)
7399 (goto-char (point-min))
7400 (search-forward field nil t))
7402 (message-narrow-to-field)
7404 (delete-region (point-min) (point-max))
7406 '("Content-Type:" "Content-Transfer-Encoding:"
7407 "Content-Disposition:"))))
7408 (message-narrow-to-head)
7409 (message-remove-header "MIME-Version")
7410 (goto-char (point-max))
7411 (setq point (point))
7412 (insert (apply 'concat headers))
7414 (narrow-to-region point (point-max))
7415 (let ((message-options message-options))
7416 (message-options-set 'message-sender user-mail-address)
7417 (message-options-set 'message-recipients user-mail-address)
7418 (message-options-set 'message-sign-encrypt 'not)
7420 (goto-char (point-min))
7421 (insert "MIME-Version: 1.0\n")
7423 (gnus-summary-edit-article-done
7424 references nil summary-buffer t))
7425 (when gnus-keep-backlog
7426 (gnus-backlog-remove-article
7427 (car gnus-article-current) (cdr gnus-article-current)))
7429 (when (get-buffer gnus-original-article-buffer)
7430 (set-buffer gnus-original-article-buffer)
7431 (setq gnus-original-article nil)))
7432 (when gnus-use-cache
7433 (gnus-cache-update-article
7434 (car gnus-article-current) (cdr gnus-article-current))))))))
7436 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
7437 "The following specs can be used:
7438 %t The security MIME type
7441 %D Details if button is pressed")
7443 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
7444 "The following specs can be used:
7445 %t The security MIME type
7448 %D Details if button is pressed")
7450 (defvar gnus-mime-security-button-line-format-alist
7451 '((?t gnus-tmp-type ?s)
7452 (?i gnus-tmp-info ?s)
7453 (?d gnus-tmp-details ?s)
7454 (?D gnus-tmp-pressed-details ?s)))
7456 (defvar gnus-mime-security-button-map
7457 (let ((map (make-sparse-keymap)))
7458 (unless (>= (string-to-number emacs-version) 21)
7459 (set-keymap-parent map gnus-article-mode-map))
7460 (define-key map gnus-mouse-2 'gnus-article-push-button)
7461 (define-key map "\r" 'gnus-article-press-button)
7464 (defvar gnus-mime-security-details-buffer nil)
7466 (defvar gnus-mime-security-button-pressed nil)
7468 (defvar gnus-mime-security-show-details-inline t
7469 "If non-nil, show details in the article buffer.")
7471 (defun gnus-mime-security-verify-or-decrypt (handle)
7472 (mm-remove-parts (cdr handle))
7473 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
7474 point (inhibit-read-only t))
7476 (goto-char (car region)))
7478 (narrow-to-region (point) (point))
7479 (with-current-buffer (mm-handle-multipart-original-buffer handle)
7480 (let* ((mm-verify-option 'known)
7481 (mm-decrypt-option 'known)
7482 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
7483 (unless (eq nparts (cdr handle))
7484 (mm-destroy-parts (cdr handle))
7485 (setcdr handle nparts))))
7486 (setq point (point))
7487 (gnus-mime-display-security handle)
7488 (goto-char (point-max)))
7490 (delete-region (point) (cdr region))
7491 (set-marker (car region) nil)
7492 (set-marker (cdr region) nil))
7495 (defun gnus-mime-security-show-details (handle)
7496 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
7498 (gnus-message 5 "No details.")
7499 (if gnus-mime-security-show-details-inline
7500 (let ((gnus-mime-security-button-pressed
7501 (not (get-text-property (point) 'gnus-mime-details)))
7502 (gnus-mime-security-button-line-format
7503 (get-text-property (point) 'gnus-line-format))
7504 (inhibit-read-only t))
7506 (while (eq (get-text-property (point) 'gnus-line-format)
7507 gnus-mime-security-button-line-format)
7511 (narrow-to-region (point) (point))
7512 (gnus-insert-mime-security-button handle))
7513 (delete-region (point)
7514 (or (text-property-not-all
7517 gnus-mime-security-button-line-format)
7520 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
7521 (with-current-buffer gnus-mime-security-details-buffer
7524 (setq gnus-mime-security-details-buffer
7525 (gnus-get-buffer-create "*MIME Security Details*")))
7526 (with-current-buffer gnus-mime-security-details-buffer
7528 (goto-char (point-min)))
7529 (pop-to-buffer gnus-mime-security-details-buffer)))))
7531 (defun gnus-mime-security-press-button (handle)
7533 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7534 (gnus-mime-security-show-details handle)
7535 (gnus-mime-security-verify-or-decrypt handle))))
7537 (defun gnus-insert-mime-security-button (handle &optional displayed)
7538 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
7541 (or (nth 2 (assoc protocol mm-verify-function-alist))
7542 (nth 2 (assoc protocol mm-decrypt-function-alist))
7544 (if (equal (car handle) "multipart/signed")
7545 " Signed" " Encrypted")
7548 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7551 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
7552 gnus-tmp-pressed-details
7554 (setq gnus-tmp-details
7555 (if gnus-tmp-details
7556 (concat "\n" gnus-tmp-details)
7558 (setq gnus-tmp-pressed-details
7559 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
7564 gnus-mime-security-button-line-format
7565 gnus-mime-security-button-line-format-alist
7566 `(,@(gnus-local-map-property gnus-mime-security-button-map)
7567 gnus-callback gnus-mime-security-press-button
7568 gnus-line-format ,gnus-mime-security-button-line-format
7569 gnus-mime-details ,gnus-mime-security-button-pressed
7570 article-type annotation
7573 ;; Exclude a newline.
7576 (widget-convert-button
7579 :action 'gnus-widget-press-button
7580 :button-keymap gnus-mime-security-button-map
7582 (lambda (widget/window &optional overlay pos)
7583 ;; Needed to properly clear the message due to a bug in
7584 ;; wid-edit (XEmacs only).
7585 (when (boundp 'help-echo-owns-message)
7586 (setq help-echo-owns-message t))
7589 (aref gnus-mouse-2 0))))))
7591 (defun gnus-mime-display-security (handle)
7593 (narrow-to-region (point) (point))
7594 (unless (gnus-unbuttonized-mime-type-p (car handle))
7595 (gnus-insert-mime-security-button handle))
7596 (gnus-mime-display-mixed (cdr handle))
7599 (unless (gnus-unbuttonized-mime-type-p (car handle))
7600 (let ((gnus-mime-security-button-line-format
7601 gnus-mime-security-button-end-line-format))
7602 (gnus-insert-mime-security-button handle)))
7603 (mm-set-handle-multipart-parameter
7605 (cons (set-marker (make-marker) (point-min))
7606 (set-marker (make-marker) (point-max))))))
7612 (run-hooks 'gnus-art-load-hook)
7614 ;;; arch-tag: 2654516f-6279-48f9-a83b-05c1fa450c33
7615 ;;; gnus-art.el ends here