1 ;;; gnus-sum.el --- summary mode commands for Gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002
3 ;; Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
29 (eval-when-compile (require 'cl))
41 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
42 (autoload 'gnus-cache-write-active "gnus-cache")
43 (autoload 'gnus-mailing-list-insinuate "gnus-ml" nil t)
44 (autoload 'turn-on-gnus-mailing-list-mode "gnus-ml" nil t)
45 (autoload 'mm-uu-dissect "mm-uu")
46 (autoload 'gnus-article-outlook-deuglify-article "deuglify"
47 "Deuglify broken Outlook (Express) articles and redisplay."
49 (autoload 'gnus-outlook-unwrap-lines "deuglify" nil t)
50 (autoload 'gnus-outlook-repair-attribution "deuglify" nil t)
51 (autoload 'gnus-outlook-rearrange-citation "deuglify" nil t)
53 (defcustom gnus-kill-summary-on-exit t
54 "*If non-nil, kill the summary buffer when you exit from it.
55 If nil, the summary will become a \"*Dead Summary*\" buffer, and
56 it will be killed sometime later."
57 :group 'gnus-summary-exit
60 (defcustom gnus-fetch-old-headers nil
61 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
62 If an unread article in the group refers to an older, already read (or
63 just marked as read) article, the old article will not normally be
64 displayed in the Summary buffer. If this variable is non-nil, Gnus
65 will attempt to grab the headers to the old articles, and thereby
66 build complete threads. If it has the value `some', only enough
67 headers to connect otherwise loose threads will be displayed. This
68 variable can also be a number. In that case, no more than that number
69 of old headers will be fetched. If it has the value `invisible', all
70 old headers will be fetched, but none will be displayed.
72 The server has to support NOV for any of this to work."
74 :type '(choice (const :tag "off" nil)
77 (sexp :menu-tag "other" t)))
79 (defcustom gnus-refer-thread-limit 200
80 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
81 If t, fetch all the available old headers."
84 (sexp :menu-tag "other" t)))
86 (defcustom gnus-summary-make-false-root 'adopt
87 "*nil means that Gnus won't gather loose threads.
88 If the root of a thread has expired or been read in a previous
89 session, the information necessary to build a complete thread has been
90 lost. Instead of having many small sub-threads from this original thread
91 scattered all over the summary buffer, Gnus can gather them.
93 If non-nil, Gnus will try to gather all loose sub-threads from an
94 original thread into one large thread.
96 If this variable is non-nil, it should be one of `none', `adopt',
99 If this variable is `none', Gnus will not make a false root, but just
100 present the sub-threads after another.
101 If this variable is `dummy', Gnus will create a dummy root that will
102 have all the sub-threads as children.
103 If this variable is `adopt', Gnus will make one of the \"children\"
104 the parent and mark all the step-children as such.
105 If this variable is `empty', the \"children\" are printed with empty
106 subject fields. (Or rather, they will be printed with a string
107 given by the `gnus-summary-same-subject' variable.)"
109 :type '(choice (const :tag "off" nil)
115 (defcustom gnus-summary-make-false-root-always nil
116 "Always make a false dummy root."
120 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
121 "*A regexp to match subjects to be excluded from loose thread gathering.
122 As loose thread gathering is done on subjects only, that means that
123 there can be many false gatherings performed. By rooting out certain
124 common subjects, gathering might become saner."
128 (defcustom gnus-summary-gather-subject-limit nil
129 "*Maximum length of subject comparisons when gathering loose threads.
130 Use nil to compare full subjects. Setting this variable to a low
131 number will help gather threads that have been corrupted by
132 newsreaders chopping off subject lines, but it might also mean that
133 unrelated articles that have subject that happen to begin with the
134 same few characters will be incorrectly gathered.
136 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
139 :type '(choice (const :tag "off" nil)
141 (sexp :menu-tag "on" t)))
143 (defcustom gnus-simplify-subject-functions nil
144 "List of functions taking a string argument that simplify subjects.
145 The functions are applied recursively.
147 Useful functions to put in this list include:
148 `gnus-simplify-subject-re', `gnus-simplify-subject-fuzzy',
149 `gnus-simplify-whitespace', and `gnus-simplify-all-whitespace'."
151 :type '(repeat function))
153 (defcustom gnus-simplify-ignored-prefixes nil
154 "*Remove matches for this regexp from subject lines when simplifying fuzzily."
156 :type '(choice (const :tag "off" nil)
159 (defcustom gnus-build-sparse-threads nil
160 "*If non-nil, fill in the gaps in threads.
161 If `some', only fill in the gaps that are needed to tie loose threads
162 together. If `more', fill in all leaf nodes that Gnus can find. If
163 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
165 :type '(choice (const :tag "off" nil)
168 (sexp :menu-tag "all" t)))
170 (defcustom gnus-summary-thread-gathering-function
171 'gnus-gather-threads-by-subject
172 "*Function used for gathering loose threads.
173 There are two pre-defined functions: `gnus-gather-threads-by-subject',
174 which only takes Subjects into consideration; and
175 `gnus-gather-threads-by-references', which compared the References
176 headers of the articles to find matches."
178 :type '(radio (function-item gnus-gather-threads-by-subject)
179 (function-item gnus-gather-threads-by-references)
180 (function :tag "other")))
182 (defcustom gnus-summary-same-subject ""
183 "*String indicating that the current article has the same subject as the previous.
184 This variable will only be used if the value of
185 `gnus-summary-make-false-root' is `empty'."
186 :group 'gnus-summary-format
189 (defcustom gnus-summary-goto-unread t
190 "*If t, many commands will go to the next unread article.
191 This applies to marking commands as well as other commands that
192 \"naturally\" select the next article, like, for instance, `SPC' at
193 the end of an article.
195 If nil, the marking commands do NOT go to the next unread article
196 \(they go to the next article instead). If `never', commands that
197 usually go to the next unread article, will go to the next article,
198 whether it is read or not."
199 :group 'gnus-summary-marks
200 :link '(custom-manual "(gnus)Setting Marks")
201 :type '(choice (const :tag "off" nil)
203 (sexp :menu-tag "on" t)))
205 (defcustom gnus-summary-default-score 0
206 "*Default article score level.
207 All scores generated by the score files will be added to this score.
208 If this variable is nil, scoring will be disabled."
209 :group 'gnus-score-default
210 :type '(choice (const :tag "disable")
213 (defcustom gnus-summary-default-high-score 0
214 "*Default threshold for a high scored article.
215 An article will be highlighted as high scored if its score is greater
217 :group 'gnus-score-default
220 (defcustom gnus-summary-default-low-score 0
221 "*Default threshold for a low scored article.
222 An article will be highlighted as low scored if its score is smaller
224 :group 'gnus-score-default
227 (defcustom gnus-summary-zcore-fuzz 0
228 "*Fuzziness factor for the zcore in the summary buffer.
229 Articles with scores closer than this to `gnus-summary-default-score'
231 :group 'gnus-summary-format
234 (defcustom gnus-simplify-subject-fuzzy-regexp nil
235 "*Strings to be removed when doing fuzzy matches.
236 This can either be a regular expression or list of regular expressions
237 that will be removed from subject strings if fuzzy subject
238 simplification is selected."
240 :type '(repeat regexp))
242 (defcustom gnus-show-threads t
243 "*If non-nil, display threads in summary mode."
247 (defcustom gnus-thread-hide-subtree nil
248 "*If non-nil, hide all threads initially.
249 This can be a predicate specifier which says which threads to hide.
250 If threads are hidden, you have to run the command
251 `gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
252 to expose hidden threads."
256 (defcustom gnus-thread-hide-killed t
257 "*If non-nil, hide killed threads automatically."
261 (defcustom gnus-thread-ignore-subject t
262 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
263 If nil, articles that have different subjects from their parents will
264 start separate threads."
268 (defcustom gnus-thread-operation-ignore-subject t
269 "*If non-nil, subjects will be ignored when doing thread commands.
270 This affects commands like `gnus-summary-kill-thread' and
271 `gnus-summary-lower-thread'.
273 If this variable is nil, articles in the same thread with different
274 subjects will not be included in the operation in question. If this
275 variable is `fuzzy', only articles that have subjects that are fuzzily
276 equal will be included."
278 :type '(choice (const :tag "off" nil)
282 (defcustom gnus-thread-indent-level 4
283 "*Number that says how much each sub-thread should be indented."
287 (defcustom gnus-auto-extend-newsgroup t
288 "*If non-nil, extend newsgroup forward and backward when requested."
289 :group 'gnus-summary-choose
292 (defcustom gnus-auto-select-first t
293 "*If non-nil, select the article under point.
294 Which article this is is controlled by the `gnus-auto-select-subject'
297 If you want to prevent automatic selection of articles in some
298 newsgroups, set the variable to nil in `gnus-select-group-hook'."
299 :group 'gnus-group-select
300 :type '(choice (const :tag "none" nil)
301 (sexp :menu-tag "first" t)))
303 (defcustom gnus-auto-select-subject 'unread
304 "*Says what subject to place under point when entering a group.
306 This variable can either be the symbols `first' (place point on the
307 first subject), `unread' (place point on the subject line of the first
308 unread article), `best' (place point on the subject line of the
309 higest-scored article), `unseen' (place point on the subject line of
310 the first unseen article), 'unseen-or-unread' (place point on the subject
311 line of the first unseen article or, if all article have been seen, on the
312 subject line of the first unread article), or a function to be called to
313 place point on some subject line."
314 :group 'gnus-group-select
315 :type '(choice (const best)
319 (const unseen-or-unread)))
321 (defcustom gnus-auto-select-next t
322 "*If non-nil, offer to go to the next group from the end of the previous.
323 If the value is t and the next newsgroup is empty, Gnus will exit
324 summary mode and go back to group mode. If the value is neither nil
325 nor t, Gnus will select the following unread newsgroup. In
326 particular, if the value is the symbol `quietly', the next unread
327 newsgroup will be selected without any confirmation, and if it is
328 `almost-quietly', the next group will be selected without any
329 confirmation if you are located on the last article in the group.
330 Finally, if this variable is `slightly-quietly', the `Z n' command
331 will go to the next group without confirmation."
332 :group 'gnus-summary-maneuvering
333 :type '(choice (const :tag "off" nil)
335 (const almost-quietly)
336 (const slightly-quietly)
337 (sexp :menu-tag "on" t)))
339 (defcustom gnus-auto-select-same nil
340 "*If non-nil, select the next article with the same subject.
341 If there are no more articles with the same subject, go to
342 the first unread article."
343 :group 'gnus-summary-maneuvering
346 (defcustom gnus-summary-check-current nil
347 "*If non-nil, consider the current article when moving.
348 The \"unread\" movement commands will stay on the same line if the
349 current article is unread."
350 :group 'gnus-summary-maneuvering
353 (defcustom gnus-auto-center-summary t
354 "*If non-nil, always center the current summary buffer.
355 In particular, if `vertical' do only vertical recentering. If non-nil
356 and non-`vertical', do both horizontal and vertical recentering."
357 :group 'gnus-summary-maneuvering
358 :type '(choice (const :tag "none" nil)
360 (integer :tag "height")
361 (sexp :menu-tag "both" t)))
363 (defcustom gnus-show-all-headers nil
364 "*If non-nil, don't hide any headers."
365 :group 'gnus-article-hiding
366 :group 'gnus-article-headers
369 (defcustom gnus-summary-ignore-duplicates nil
370 "*If non-nil, ignore articles with identical Message-ID headers."
374 (defcustom gnus-single-article-buffer t
375 "*If non-nil, display all articles in the same buffer.
376 If nil, each group will get its own article buffer."
377 :group 'gnus-article-various
380 (defcustom gnus-break-pages t
381 "*If non-nil, do page breaking on articles.
382 The page delimiter is specified by the `gnus-page-delimiter'
384 :group 'gnus-article-various
387 (defcustom gnus-move-split-methods nil
388 "*Variable used to suggest where articles are to be moved to.
389 It uses the same syntax as the `gnus-split-methods' variable.
390 However, whereas `gnus-split-methods' specifies file names as targets,
391 this variable specifies group names."
392 :group 'gnus-summary-mail
393 :type '(repeat (choice (list :value (fun) function)
394 (cons :value ("" "") regexp (repeat string))
397 (defcustom gnus-unread-mark ? ;Whitespace
398 "*Mark used for unread articles."
399 :group 'gnus-summary-marks
402 (defcustom gnus-ticked-mark ?!
403 "*Mark used for ticked articles."
404 :group 'gnus-summary-marks
407 (defcustom gnus-dormant-mark ??
408 "*Mark used for dormant articles."
409 :group 'gnus-summary-marks
412 (defcustom gnus-del-mark ?r
413 "*Mark used for del'd articles."
414 :group 'gnus-summary-marks
417 (defcustom gnus-read-mark ?R
418 "*Mark used for read articles."
419 :group 'gnus-summary-marks
422 (defcustom gnus-expirable-mark ?E
423 "*Mark used for expirable articles."
424 :group 'gnus-summary-marks
427 (defcustom gnus-killed-mark ?K
428 "*Mark used for killed articles."
429 :group 'gnus-summary-marks
432 (defcustom gnus-spam-mark ?H
433 "*Mark used for spam articles."
434 :group 'gnus-summary-marks
437 (defcustom gnus-souped-mark ?F
438 "*Mark used for souped articles."
439 :group 'gnus-summary-marks
442 (defcustom gnus-kill-file-mark ?X
443 "*Mark used for articles killed by kill files."
444 :group 'gnus-summary-marks
447 (defcustom gnus-low-score-mark ?Y
448 "*Mark used for articles with a low score."
449 :group 'gnus-summary-marks
452 (defcustom gnus-catchup-mark ?C
453 "*Mark used for articles that are caught up."
454 :group 'gnus-summary-marks
457 (defcustom gnus-replied-mark ?A
458 "*Mark used for articles that have been replied to."
459 :group 'gnus-summary-marks
462 (defcustom gnus-forwarded-mark ?F
463 "*Mark used for articles that have been forwarded."
464 :group 'gnus-summary-marks
467 (defcustom gnus-recent-mark ?N
468 "*Mark used for articles that are recent."
469 :group 'gnus-summary-marks
472 (defcustom gnus-cached-mark ?*
473 "*Mark used for articles that are in the cache."
474 :group 'gnus-summary-marks
477 (defcustom gnus-saved-mark ?S
478 "*Mark used for articles that have been saved."
479 :group 'gnus-summary-marks
482 (defcustom gnus-unseen-mark ?.
483 "*Mark used for articles that haven't been seen."
484 :group 'gnus-summary-marks
487 (defcustom gnus-no-mark ? ;Whitespace
488 "*Mark used for articles that have no other secondary mark."
489 :group 'gnus-summary-marks
492 (defcustom gnus-ancient-mark ?O
493 "*Mark used for ancient articles."
494 :group 'gnus-summary-marks
497 (defcustom gnus-sparse-mark ?Q
498 "*Mark used for sparsely reffed articles."
499 :group 'gnus-summary-marks
502 (defcustom gnus-canceled-mark ?G
503 "*Mark used for canceled articles."
504 :group 'gnus-summary-marks
507 (defcustom gnus-duplicate-mark ?M
508 "*Mark used for duplicate articles."
509 :group 'gnus-summary-marks
512 (defcustom gnus-undownloaded-mark ?-
513 "*Mark used for articles that weren't downloaded."
514 :group 'gnus-summary-marks
517 (defcustom gnus-downloaded-mark ?+
518 "*Mark used for articles that were downloaded."
519 :group 'gnus-summary-marks
522 (defcustom gnus-downloadable-mark ?%
523 "*Mark used for articles that are to be downloaded."
524 :group 'gnus-summary-marks
527 (defcustom gnus-unsendable-mark ?=
528 "*Mark used for articles that won't be sent."
529 :group 'gnus-summary-marks
532 (defcustom gnus-score-over-mark ?+
533 "*Score mark used for articles with high scores."
534 :group 'gnus-summary-marks
537 (defcustom gnus-score-below-mark ?-
538 "*Score mark used for articles with low scores."
539 :group 'gnus-summary-marks
542 (defcustom gnus-empty-thread-mark ? ;Whitespace
543 "*There is no thread under the article."
544 :group 'gnus-summary-marks
547 (defcustom gnus-not-empty-thread-mark ?=
548 "*There is a thread under the article."
549 :group 'gnus-summary-marks
552 (defcustom gnus-view-pseudo-asynchronously nil
553 "*If non-nil, Gnus will view pseudo-articles asynchronously."
554 :group 'gnus-extract-view
557 (defcustom gnus-auto-expirable-marks
558 (list gnus-killed-mark gnus-del-mark gnus-catchup-mark
559 gnus-low-score-mark gnus-ancient-mark gnus-read-mark
560 gnus-souped-mark gnus-duplicate-mark)
561 "*The list of marks converted into expiration if a group is auto-expirable."
564 :type '(repeat character))
566 (defcustom gnus-inhibit-user-auto-expire t
567 "*If non-nil, user marking commands will not mark an article as expirable, even if the group has auto-expire turned on."
572 (defcustom gnus-view-pseudos nil
573 "*If `automatic', pseudo-articles will be viewed automatically.
574 If `not-confirm', pseudos will be viewed automatically, and the user
575 will not be asked to confirm the command."
576 :group 'gnus-extract-view
577 :type '(choice (const :tag "off" nil)
579 (const not-confirm)))
581 (defcustom gnus-view-pseudos-separately t
582 "*If non-nil, one pseudo-article will be created for each file to be viewed.
583 If nil, all files that use the same viewing command will be given as a
584 list of parameters to that command."
585 :group 'gnus-extract-view
588 (defcustom gnus-insert-pseudo-articles t
589 "*If non-nil, insert pseudo-articles when decoding articles."
590 :group 'gnus-extract-view
593 (defcustom gnus-summary-dummy-line-format
595 "*The format specification for the dummy roots in the summary buffer.
596 It works along the same lines as a normal formatting string,
597 with some simple extensions.
601 General format specifiers can also be used.
602 See `(gnus)Formatting Variables'."
603 :link '(custom-manual "(gnus)Formatting Variables")
604 :group 'gnus-threading
607 (defcustom gnus-summary-mode-line-format "Gnus: %g [%A] %Z"
608 "*The format specification for the summary mode line.
609 It works along the same lines as a normal formatting string,
610 with some simple extensions:
613 %p Unprefixed group name
614 %A Current article number
615 %z Current article score
617 %U Number of unread articles in the group
618 %e Number of unselected articles in the group
619 %Z A string with unread/unselected article counts
620 %g Shortish group name
621 %S Subject of the current article
623 %s Current score file name
624 %d Number of dormant articles
625 %r Number of articles that have been marked as read in this session
626 %E Number of articles expunged by the score files"
627 :group 'gnus-summary-format
630 (defcustom gnus-list-identifiers nil
631 "Regexp that matches list identifiers to be removed from subject.
632 This can also be a list of regexps."
634 :group 'gnus-summary-format
635 :group 'gnus-article-hiding
636 :type '(choice (const :tag "none" nil)
638 (repeat :value (".*") regexp)))
640 (defcustom gnus-summary-mark-below 0
641 "*Mark all articles with a score below this variable as read.
642 This variable is local to each summary buffer and usually set by the
644 :group 'gnus-score-default
647 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
648 "*List of functions used for sorting articles in the summary buffer.
650 Each function takes two articles and returns non-nil if the first
651 article should be sorted before the other. If you use more than one
652 function, the primary sort function should be the last. You should
653 probably always include `gnus-article-sort-by-number' in the list of
654 sorting functions -- preferably first. Also note that sorting by date
655 is often much slower than sorting by number, and the sorting order is
656 very similar. (Sorting by date means sorting by the time the message
657 was sent, sorting by number means sorting by arrival time.)
659 Ready-made functions include `gnus-article-sort-by-number',
660 `gnus-article-sort-by-author', `gnus-article-sort-by-subject',
661 `gnus-article-sort-by-date', `gnus-article-sort-by-random'
662 and `gnus-article-sort-by-score'.
664 When threading is turned on, the variable `gnus-thread-sort-functions'
665 controls how articles are sorted."
666 :group 'gnus-summary-sort
667 :type '(repeat (choice (function-item gnus-article-sort-by-number)
668 (function-item gnus-article-sort-by-author)
669 (function-item gnus-article-sort-by-subject)
670 (function-item gnus-article-sort-by-date)
671 (function-item gnus-article-sort-by-score)
672 (function-item gnus-article-sort-by-random)
673 (function :tag "other"))))
675 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
676 "*List of functions used for sorting threads in the summary buffer.
677 By default, threads are sorted by article number.
679 Each function takes two threads and returns non-nil if the first
680 thread should be sorted before the other. If you use more than one
681 function, the primary sort function should be the last. You should
682 probably always include `gnus-thread-sort-by-number' in the list of
683 sorting functions -- preferably first. Also note that sorting by date
684 is often much slower than sorting by number, and the sorting order is
685 very similar. (Sorting by date means sorting by the time the message
686 was sent, sorting by number means sorting by arrival time.)
688 Ready-made functions include `gnus-thread-sort-by-number',
689 `gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
690 `gnus-thread-sort-by-date', `gnus-thread-sort-by-score',
691 `gnus-thread-sort-by-most-recent-number',
692 `gnus-thread-sort-by-most-recent-date',
693 `gnus-thread-sort-by-random', and
694 `gnus-thread-sort-by-total-score' (see `gnus-thread-score-function').
696 When threading is turned off, the variable
697 `gnus-article-sort-functions' controls how articles are sorted."
698 :group 'gnus-summary-sort
699 :type '(repeat (choice (function-item gnus-thread-sort-by-number)
700 (function-item gnus-thread-sort-by-author)
701 (function-item gnus-thread-sort-by-subject)
702 (function-item gnus-thread-sort-by-date)
703 (function-item gnus-thread-sort-by-score)
704 (function-item gnus-thread-sort-by-total-score)
705 (function-item gnus-thread-sort-by-random)
706 (function :tag "other"))))
708 (defcustom gnus-thread-score-function '+
709 "*Function used for calculating the total score of a thread.
711 The function is called with the scores of the article and each
712 subthread and should then return the score of the thread.
714 Some functions you can use are `+', `max', or `min'."
715 :group 'gnus-summary-sort
718 (defcustom gnus-summary-expunge-below nil
719 "All articles that have a score less than this variable will be expunged.
720 This variable is local to the summary buffers."
721 :group 'gnus-score-default
722 :type '(choice (const :tag "off" nil)
725 (defcustom gnus-thread-expunge-below nil
726 "All threads that have a total score less than this variable will be expunged.
727 See `gnus-thread-score-function' for en explanation of what a
730 This variable is local to the summary buffers."
731 :group 'gnus-threading
732 :group 'gnus-score-default
733 :type '(choice (const :tag "off" nil)
736 (defcustom gnus-summary-mode-hook nil
737 "*A hook for Gnus summary mode.
738 This hook is run before any variables are set in the summary buffer."
739 :options '(turn-on-gnus-mailing-list-mode gnus-pick-mode)
740 :group 'gnus-summary-various
743 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
744 (when (featurep 'xemacs)
745 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-summary-menu-add)
746 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-setup-summary-toolbar)
747 (add-hook 'gnus-summary-mode-hook
748 'gnus-xmas-switch-horizontal-scrollbar-off))
750 (defcustom gnus-summary-menu-hook nil
751 "*Hook run after the creation of the summary mode menu."
752 :group 'gnus-summary-visual
755 (defcustom gnus-summary-exit-hook nil
756 "*A hook called on exit from the summary buffer.
757 It will be called with point in the group buffer."
758 :group 'gnus-summary-exit
761 (defcustom gnus-summary-prepare-hook nil
762 "*A hook called after the summary buffer has been generated.
763 If you want to modify the summary buffer, you can use this hook."
764 :group 'gnus-summary-various
767 (defcustom gnus-summary-prepared-hook nil
768 "*A hook called as the last thing after the summary buffer has been generated."
769 :group 'gnus-summary-various
772 (defcustom gnus-summary-generate-hook nil
773 "*A hook run just before generating the summary buffer.
774 This hook is commonly used to customize threading variables and the
776 :group 'gnus-summary-various
779 (defcustom gnus-select-group-hook nil
780 "*A hook called when a newsgroup is selected.
782 If you'd like to simplify subjects like the
783 `gnus-summary-next-same-subject' command does, you can use the
786 (add-hook gnus-select-group-hook
788 (mapcar (lambda (header)
789 (mail-header-set-subject
791 (gnus-simplify-subject
792 (mail-header-subject header) 're-only)))
793 gnus-newsgroup-headers)))"
794 :group 'gnus-group-select
797 (defcustom gnus-select-article-hook nil
798 "*A hook called when an article is selected."
799 :group 'gnus-summary-choose
800 :options '(gnus-agent-fetch-selected-article)
803 (defcustom gnus-visual-mark-article-hook
804 (list 'gnus-highlight-selected-summary)
805 "*Hook run after selecting an article in the summary buffer.
806 It is meant to be used for highlighting the article in some way. It
807 is not run if `gnus-visual' is nil."
808 :group 'gnus-summary-visual
811 (defcustom gnus-parse-headers-hook nil
812 "*A hook called before parsing the headers."
816 (defcustom gnus-exit-group-hook nil
817 "*A hook called when exiting summary mode.
818 This hook is not called from the non-updating exit commands like `Q'."
822 (defcustom gnus-summary-update-hook
823 (list 'gnus-summary-highlight-line)
824 "*A hook called when a summary line is changed.
825 The hook will not be called if `gnus-visual' is nil.
827 The default function `gnus-summary-highlight-line' will
828 highlight the line according to the `gnus-summary-highlight'
830 :group 'gnus-summary-visual
833 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
834 "*A hook called when an article is selected for the first time.
835 The hook is intended to mark an article as read (or unread)
836 automatically when it is selected."
837 :group 'gnus-summary-choose
840 (defcustom gnus-group-no-more-groups-hook nil
841 "*A hook run when returning to group mode having no more (unread) groups."
842 :group 'gnus-group-select
845 (defcustom gnus-ps-print-hook nil
846 "*A hook run before ps-printing something from Gnus."
850 (defcustom gnus-summary-display-arrow
851 (and (fboundp 'display-graphic-p)
853 "*If non-nil, display an arrow highlighting the current article."
858 (defcustom gnus-summary-selected-face 'gnus-summary-selected-face
859 "Face used for highlighting the current article in the summary buffer."
860 :group 'gnus-summary-visual
863 (defvar gnus-tmp-downloaded nil)
865 (defcustom gnus-summary-highlight
866 '(((eq mark gnus-canceled-mark)
867 . gnus-summary-cancelled-face)
868 ((and uncached (> score default-high))
869 . gnus-summary-high-undownloaded-face)
870 ((and uncached (< score default-low))
871 . gnus-summary-low-undownloaded-face)
873 . gnus-summary-normal-undownloaded-face)
874 ((and (> score default-high)
875 (or (eq mark gnus-dormant-mark)
876 (eq mark gnus-ticked-mark)))
877 . gnus-summary-high-ticked-face)
878 ((and (< score default-low)
879 (or (eq mark gnus-dormant-mark)
880 (eq mark gnus-ticked-mark)))
881 . gnus-summary-low-ticked-face)
882 ((or (eq mark gnus-dormant-mark)
883 (eq mark gnus-ticked-mark))
884 . gnus-summary-normal-ticked-face)
885 ((and (> score default-high) (eq mark gnus-ancient-mark))
886 . gnus-summary-high-ancient-face)
887 ((and (< score default-low) (eq mark gnus-ancient-mark))
888 . gnus-summary-low-ancient-face)
889 ((eq mark gnus-ancient-mark)
890 . gnus-summary-normal-ancient-face)
891 ((and (> score default-high) (eq mark gnus-unread-mark))
892 . gnus-summary-high-unread-face)
893 ((and (< score default-low) (eq mark gnus-unread-mark))
894 . gnus-summary-low-unread-face)
895 ((eq mark gnus-unread-mark)
896 . gnus-summary-normal-unread-face)
897 ((> score default-high)
898 . gnus-summary-high-read-face)
899 ((< score default-low)
900 . gnus-summary-low-read-face)
902 . gnus-summary-normal-read-face))
903 "*Controls the highlighting of summary buffer lines.
905 A list of (FORM . FACE) pairs. When deciding how a a particular
906 summary line should be displayed, each form is evaluated. The content
907 of the face field after the first true form is used. You can change
908 how those summary lines are displayed, by editing the face field.
910 You can use the following variables in the FORM field.
912 score: The article's score
913 default: The default article score.
914 default-high: The default score for high scored articles.
915 default-low: The default score for low scored articles.
916 below: The score below which articles are automatically marked as read.
917 mark: The articles mark."
918 :group 'gnus-summary-visual
919 :type '(repeat (cons (sexp :tag "Form" nil)
922 (defcustom gnus-alter-header-function nil
923 "Function called to allow alteration of article header structures.
924 The function is called with one parameter, the article header vector,
925 which it may alter in any way.")
927 (defvar gnus-decode-encoded-word-function 'mail-decode-encoded-word-string
928 "Variable that says which function should be used to decode a string with encoded words.")
930 (defcustom gnus-extra-headers '(To Newsgroups)
931 "*Extra headers to parse."
934 :type '(repeat symbol))
936 (defcustom gnus-ignored-from-addresses
937 (and user-mail-address (regexp-quote user-mail-address))
938 "*Regexp of From headers that may be suppressed in favor of To headers."
943 (defcustom gnus-newsgroup-ignored-charsets '(unknown-8bit x-unknown)
944 "List of charsets that should be ignored.
945 When these charsets are used in the \"charset\" parameter, the
946 default charset will be used instead."
948 :type '(repeat symbol)
949 :group 'gnus-charset)
951 (gnus-define-group-parameter
955 "Return the ignored charsets of GROUP."
956 :variable gnus-group-ignored-charsets-alist
958 '(("alt\\.chinese\\.text" iso-8859-1))
960 "Alist of regexps (to match group names) and charsets that should be ignored.
961 When these charsets are used in the \"charset\" parameter, the
962 default charset will be used instead."
963 :variable-group gnus-charset
964 :variable-type '(repeat (cons (regexp :tag "Group")
966 :parameter-type '(choice :tag "Ignored charsets"
969 :parameter-document "\
970 List of charsets that should be ignored.
972 When these charsets are used in the \"charset\" parameter, the
973 default charset will be used instead.")
975 (defcustom gnus-group-highlight-words-alist nil
976 "Alist of group regexps and highlight regexps.
977 This variable uses the same syntax as `gnus-emphasis-alist'."
979 :type '(repeat (cons (regexp :tag "Group")
980 (repeat (list (regexp :tag "Highlight regexp")
981 (number :tag "Group for entire word" 0)
982 (number :tag "Group for displayed part" 0)
984 gnus-emphasis-highlight-words)))))
985 :group 'gnus-summary-visual)
987 (defcustom gnus-summary-show-article-charset-alist
989 "Alist of number and charset.
990 The article will be shown with the charset corresponding to the
992 For example: ((1 . cn-gb-2312) (2 . big5))."
994 :type '(repeat (cons (number :tag "Argument" 1)
995 (symbol :tag "Charset")))
996 :group 'gnus-charset)
998 (defcustom gnus-preserve-marks t
999 "Whether marks are preserved when moving, copying and respooling messages."
1002 :group 'gnus-summary-marks)
1004 (defcustom gnus-alter-articles-to-read-function nil
1005 "Function to be called to alter the list of articles to be selected."
1006 :type '(choice (const nil) function)
1007 :group 'gnus-summary)
1009 (defcustom gnus-orphan-score nil
1010 "*All orphans get this score added. Set in the score file."
1011 :group 'gnus-score-default
1012 :type '(choice (const nil)
1015 (defcustom gnus-summary-save-parts-default-mime "image/.*"
1016 "*A regexp to match MIME parts when saving multiple parts of a message
1017 with gnus-summary-save-parts (X m). This regexp will be used by default
1018 when prompting the user for which type of files to save."
1019 :group 'gnus-summary
1022 (defcustom gnus-read-all-available-headers nil
1023 "Whether Gnus should parse all headers made available to it.
1024 This is mostly relevant for slow backends where the user may
1025 wish to widen the summary buffer to include all headers
1026 that were fetched. Say, for nnultimate groups."
1027 :group 'gnus-summary
1028 :type '(choice boolean regexp))
1030 (defcustom gnus-summary-muttprint-program "muttprint"
1031 "Command (and optional arguments) used to run Muttprint."
1033 :group 'gnus-summary
1036 (defcustom gnus-article-loose-mime nil
1037 "If non-nil, don't require MIME-Version header.
1038 Some brain-damaged MUA/MTA, e.g. Lotus Domino 5.0.6 clients, does not
1039 supply the MIME-Version header or deliberately strip it From the mail.
1040 Set it to non-nil, Gnus will treat some articles as MIME even if
1041 the MIME-Version header is missed."
1044 :group 'gnus-article)
1046 (defcustom gnus-article-emulate-mime t
1047 "If non-nil, use MIME emulation for uuencode and the like.
1048 This means that Gnus will search message bodies for text that look
1049 like uuencoded bits, yEncoded bits, and so on, and present that using
1050 the normal Gnus MIME machinery."
1052 :group 'gnus-article)
1054 ;;; Internal variables
1056 (defvar gnus-summary-display-cache nil)
1057 (defvar gnus-article-mime-handles nil)
1058 (defvar gnus-article-decoded-p nil)
1059 (defvar gnus-article-charset nil)
1060 (defvar gnus-article-ignored-charsets nil)
1061 (defvar gnus-scores-exclude-files nil)
1062 (defvar gnus-page-broken nil)
1064 (defvar gnus-original-article nil)
1065 (defvar gnus-article-internal-prepare-hook nil)
1066 (defvar gnus-newsgroup-process-stack nil)
1068 (defvar gnus-thread-indent-array nil)
1069 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
1070 (defvar gnus-sort-gathered-threads-function 'gnus-thread-sort-by-number
1071 "Function called to sort the articles within a thread after it has been gathered together.")
1073 (defvar gnus-summary-save-parts-type-history nil)
1074 (defvar gnus-summary-save-parts-last-directory nil)
1076 ;; Avoid highlighting in kill files.
1077 (defvar gnus-summary-inhibit-highlight nil)
1078 (defvar gnus-newsgroup-selected-overlay nil)
1079 (defvar gnus-inhibit-limiting nil)
1080 (defvar gnus-newsgroup-adaptive-score-file nil)
1081 (defvar gnus-current-score-file nil)
1082 (defvar gnus-current-move-group nil)
1083 (defvar gnus-current-copy-group nil)
1084 (defvar gnus-current-crosspost-group nil)
1085 (defvar gnus-newsgroup-display nil)
1087 (defvar gnus-newsgroup-dependencies nil)
1088 (defvar gnus-newsgroup-adaptive nil)
1089 (defvar gnus-summary-display-article-function nil)
1090 (defvar gnus-summary-highlight-line-function nil
1091 "Function called after highlighting a summary line.")
1093 (defvar gnus-summary-line-format-alist
1094 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
1095 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
1096 (?s gnus-tmp-subject-or-nil ?s)
1097 (?n gnus-tmp-name ?s)
1098 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
1100 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
1102 (?F gnus-tmp-from ?s)
1103 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
1104 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
1105 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
1106 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
1107 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
1108 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
1109 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
1110 (?k (gnus-summary-line-message-size gnus-tmp-header) ?s)
1111 (?L gnus-tmp-lines ?s)
1112 (?O gnus-tmp-downloaded ?c)
1113 (?I gnus-tmp-indentation ?s)
1114 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
1115 (?R gnus-tmp-replied ?c)
1116 (?\[ gnus-tmp-opening-bracket ?c)
1117 (?\] gnus-tmp-closing-bracket ?c)
1118 (?\> (make-string gnus-tmp-level ? ) ?s)
1119 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
1120 (?i gnus-tmp-score ?d)
1121 (?z gnus-tmp-score-char ?c)
1122 (?l (bbb-grouplens-score gnus-tmp-header) ?s)
1123 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
1124 (?U gnus-tmp-unread ?c)
1125 (?f (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header gnus-tmp-from)
1127 (?t (gnus-summary-number-of-articles-in-thread
1128 (and (boundp 'thread) (car thread)) gnus-tmp-level)
1130 (?e (gnus-summary-number-of-articles-in-thread
1131 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
1133 (?u gnus-tmp-user-defined ?s)
1134 (?P (gnus-pick-line-number) ?d)
1135 (?B gnus-tmp-thread-tree-header-string ?s)
1136 (user-date (gnus-user-date
1137 ,(macroexpand '(mail-header-date gnus-tmp-header))) ?s))
1138 "An alist of format specifications that can appear in summary lines.
1139 These are paired with what variables they correspond with, along with
1140 the type of the variable (string, integer, character, etc).")
1142 (defvar gnus-summary-dummy-line-format-alist
1143 `((?S gnus-tmp-subject ?s)
1144 (?N gnus-tmp-number ?d)
1145 (?u gnus-tmp-user-defined ?s)))
1147 (defvar gnus-summary-mode-line-format-alist
1148 `((?G gnus-tmp-group-name ?s)
1149 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
1150 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
1151 (?A gnus-tmp-article-number ?d)
1152 (?Z gnus-tmp-unread-and-unselected ?s)
1153 (?V gnus-version ?s)
1154 (?U gnus-tmp-unread-and-unticked ?d)
1155 (?S gnus-tmp-subject ?s)
1156 (?e gnus-tmp-unselected ?d)
1157 (?u gnus-tmp-user-defined ?s)
1158 (?d (length gnus-newsgroup-dormant) ?d)
1159 (?t (length gnus-newsgroup-marked) ?d)
1160 (?h (length gnus-newsgroup-spam-marked) ?d)
1161 (?r (length gnus-newsgroup-reads) ?d)
1162 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
1163 (?E gnus-newsgroup-expunged-tally ?d)
1164 (?s (gnus-current-score-file-nondirectory) ?s)))
1166 (defvar gnus-last-search-regexp nil
1167 "Default regexp for article search command.")
1169 (defvar gnus-last-shell-command nil
1170 "Default shell command on article.")
1172 (defvar gnus-newsgroup-agentized nil
1173 "Locally bound in each summary buffer to indicate whether the server has been agentized.")
1174 (defvar gnus-newsgroup-begin nil)
1175 (defvar gnus-newsgroup-end nil)
1176 (defvar gnus-newsgroup-last-rmail nil)
1177 (defvar gnus-newsgroup-last-mail nil)
1178 (defvar gnus-newsgroup-last-folder nil)
1179 (defvar gnus-newsgroup-last-file nil)
1180 (defvar gnus-newsgroup-auto-expire nil)
1181 (defvar gnus-newsgroup-active nil)
1183 (defvar gnus-newsgroup-data nil)
1184 (defvar gnus-newsgroup-data-reverse nil)
1185 (defvar gnus-newsgroup-limit nil)
1186 (defvar gnus-newsgroup-limits nil)
1188 (defvar gnus-newsgroup-unreads nil
1189 "Sorted list of unread articles in the current newsgroup.")
1191 (defvar gnus-newsgroup-unselected nil
1192 "Sorted list of unselected unread articles in the current newsgroup.")
1194 (defvar gnus-newsgroup-reads nil
1195 "Alist of read articles and article marks in the current newsgroup.")
1197 (defvar gnus-newsgroup-expunged-tally nil)
1199 (defvar gnus-newsgroup-marked nil
1200 "Sorted list of ticked articles in the current newsgroup (a subset of unread art).")
1202 (defvar gnus-newsgroup-spam-marked nil
1203 "List of ranges of articles that have been marked as spam.")
1205 (defvar gnus-newsgroup-killed nil
1206 "List of ranges of articles that have been through the scoring process.")
1208 (defvar gnus-newsgroup-cached nil
1209 "Sorted list of articles that come from the article cache.")
1211 (defvar gnus-newsgroup-saved nil
1212 "List of articles that have been saved.")
1214 (defvar gnus-newsgroup-kill-headers nil)
1216 (defvar gnus-newsgroup-replied nil
1217 "List of articles that have been replied to in the current newsgroup.")
1219 (defvar gnus-newsgroup-forwarded nil
1220 "List of articles that have been forwarded in the current newsgroup.")
1222 (defvar gnus-newsgroup-recent nil
1223 "List of articles that have are recent in the current newsgroup.")
1225 (defvar gnus-newsgroup-expirable nil
1226 "Sorted list of articles in the current newsgroup that can be expired.")
1228 (defvar gnus-newsgroup-processable nil
1229 "List of articles in the current newsgroup that can be processed.")
1231 (defvar gnus-newsgroup-downloadable nil
1232 "Sorted list of articles in the current newsgroup that can be processed.")
1234 (defvar gnus-newsgroup-undownloaded nil
1235 "List of articles in the current newsgroup that haven't been downloaded..")
1237 (defvar gnus-newsgroup-unsendable nil
1238 "List of articles in the current newsgroup that won't be sent.")
1240 (defvar gnus-newsgroup-bookmarks nil
1241 "List of articles in the current newsgroup that have bookmarks.")
1243 (defvar gnus-newsgroup-dormant nil
1244 "Sorted list of dormant articles in the current newsgroup.")
1246 (defvar gnus-newsgroup-unseen nil
1247 "List of unseen articles in the current newsgroup.")
1249 (defvar gnus-newsgroup-seen nil
1250 "Range of seen articles in the current newsgroup.")
1252 (defvar gnus-newsgroup-articles nil
1253 "List of articles in the current newsgroup.")
1255 (defvar gnus-newsgroup-scored nil
1256 "List of scored articles in the current newsgroup.")
1258 (defvar gnus-newsgroup-headers nil
1259 "List of article headers in the current newsgroup.")
1261 (defvar gnus-newsgroup-threads nil)
1263 (defvar gnus-newsgroup-prepared nil
1264 "Whether the current group has been prepared properly.")
1266 (defvar gnus-newsgroup-ancient nil
1267 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1269 (defvar gnus-newsgroup-sparse nil)
1271 (defvar gnus-current-article nil)
1272 (defvar gnus-article-current nil)
1273 (defvar gnus-current-headers nil)
1274 (defvar gnus-have-all-headers nil)
1275 (defvar gnus-last-article nil)
1276 (defvar gnus-newsgroup-history nil)
1277 (defvar gnus-newsgroup-charset nil)
1278 (defvar gnus-newsgroup-ephemeral-charset nil)
1279 (defvar gnus-newsgroup-ephemeral-ignored-charsets nil)
1281 (defvar gnus-article-before-search nil)
1283 (defconst gnus-summary-local-variables
1284 '(gnus-newsgroup-name
1285 gnus-newsgroup-begin gnus-newsgroup-end
1286 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1287 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1288 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
1289 gnus-newsgroup-unselected gnus-newsgroup-marked
1290 gnus-newsgroup-spam-marked
1291 gnus-newsgroup-reads gnus-newsgroup-saved
1292 gnus-newsgroup-replied gnus-newsgroup-forwarded
1293 gnus-newsgroup-recent
1294 gnus-newsgroup-expirable
1295 gnus-newsgroup-processable gnus-newsgroup-killed
1296 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
1297 gnus-newsgroup-unsendable gnus-newsgroup-unseen
1298 gnus-newsgroup-seen gnus-newsgroup-articles
1299 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1300 gnus-newsgroup-headers gnus-newsgroup-threads
1301 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1302 gnus-current-article gnus-current-headers gnus-have-all-headers
1303 gnus-last-article gnus-article-internal-prepare-hook
1304 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1305 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1306 gnus-thread-expunge-below
1307 gnus-score-alist gnus-current-score-file
1308 (gnus-summary-expunge-below . global)
1309 (gnus-summary-mark-below . global)
1310 (gnus-orphan-score . global)
1311 gnus-newsgroup-active gnus-scores-exclude-files
1312 gnus-newsgroup-history gnus-newsgroup-ancient
1313 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1314 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1315 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1316 (gnus-newsgroup-expunged-tally . 0)
1317 gnus-cache-removable-articles gnus-newsgroup-cached
1318 gnus-newsgroup-data gnus-newsgroup-data-reverse
1319 gnus-newsgroup-limit gnus-newsgroup-limits
1320 gnus-newsgroup-charset gnus-newsgroup-display)
1321 "Variables that are buffer-local to the summary buffers.")
1323 (defvar gnus-newsgroup-variables nil
1324 "A list of variables that have separate values in different newsgroups.
1325 A list of newsgroup (summary buffer) local variables, or cons of
1326 variables and their default values (when the default values are not
1327 nil), that should be made global while the summary buffer is active.
1328 These variables can be used to set variables in the group parameters
1329 while still allowing them to affect operations done in other
1330 buffers. For example:
1332 \(setq gnus-newsgroup-variables
1333 '(message-use-followup-to
1334 (gnus-visible-headers .
1335 \"^From:\\\\|^Newsgroups:\\\\|^Subject:\\\\|^Date:\\\\|^To:\")))
1338 ;; Byte-compiler warning.
1339 ;(eval-when-compile (defvar gnus-article-mode-map))
1341 (let ((features (cons 'gnus-sum features)))
1343 (require 'gnus-agent)
1344 (require 'gnus-art)))
1348 (defvar gnus-decode-encoded-word-methods
1349 '(mail-decode-encoded-word-string)
1350 "List of methods used to decode encoded words.
1352 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
1353 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
1354 \(REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
1355 whose names match REGEXP.
1358 \((\"chinese\" . gnus-decode-encoded-word-string-by-guess)
1359 mail-decode-encoded-word-string
1360 (\"chinese\" . rfc1843-decode-string))")
1362 (defvar gnus-decode-encoded-word-methods-cache nil)
1364 (defun gnus-multi-decode-encoded-word-string (string)
1365 "Apply the functions from `gnus-encoded-word-methods' that match."
1366 (unless (and gnus-decode-encoded-word-methods-cache
1367 (eq gnus-newsgroup-name
1368 (car gnus-decode-encoded-word-methods-cache)))
1369 (setq gnus-decode-encoded-word-methods-cache (list gnus-newsgroup-name))
1372 (nconc gnus-decode-encoded-word-methods-cache (list x))
1373 (if (and gnus-newsgroup-name
1374 (string-match (car x) gnus-newsgroup-name))
1375 (nconc gnus-decode-encoded-word-methods-cache
1377 gnus-decode-encoded-word-methods))
1378 (let ((xlist gnus-decode-encoded-word-methods-cache))
1381 (setq string (funcall (pop xlist) string))))
1384 ;; Subject simplification.
1386 (defun gnus-simplify-whitespace (str)
1387 "Remove excessive whitespace from STR."
1390 (while (string-match "[ \t][ \t]+" mystr)
1391 (setq mystr (concat (substring mystr 0 (match-beginning 0))
1393 (substring mystr (match-end 0)))))
1395 (when (string-match "^[ \t]+" mystr)
1396 (setq mystr (substring mystr (match-end 0))))
1398 (when (string-match "[ \t]+$" mystr)
1399 (setq mystr (substring mystr 0 (match-beginning 0))))
1402 (defun gnus-simplify-all-whitespace (str)
1403 "Remove all whitespace from STR."
1405 (while (string-match "[ \t\n]+" mystr)
1406 (setq mystr (replace-match "" nil nil mystr)))
1409 (defsubst gnus-simplify-subject-re (subject)
1410 "Remove \"Re:\" from subject lines."
1411 (if (string-match message-subject-re-regexp subject)
1412 (substring subject (match-end 0))
1415 (defun gnus-simplify-subject (subject &optional re-only)
1416 "Remove `Re:' and words in parentheses.
1417 If RE-ONLY is non-nil, strip leading `Re:'s only."
1418 (let ((case-fold-search t)) ;Ignore case.
1419 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1420 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1421 (setq subject (substring subject (match-end 0))))
1422 ;; Remove uninteresting prefixes.
1423 (when (and (not re-only)
1424 gnus-simplify-ignored-prefixes
1425 (string-match gnus-simplify-ignored-prefixes subject))
1426 (setq subject (substring subject (match-end 0))))
1427 ;; Remove words in parentheses from end.
1429 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1430 (setq subject (substring subject 0 (match-beginning 0)))))
1431 ;; Return subject string.
1434 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1436 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1437 (goto-char (point-min))
1438 (while (re-search-forward regexp nil t)
1439 (replace-match (or newtext ""))))
1441 (defun gnus-simplify-buffer-fuzzy ()
1442 "Simplify string in the buffer fuzzily.
1443 The string in the accessible portion of the current buffer is simplified.
1444 It is assumed to be a single-line subject.
1445 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1446 matter is removed. Additional things can be deleted by setting
1447 `gnus-simplify-subject-fuzzy-regexp'."
1448 (let ((case-fold-search t)
1450 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1452 (while (not (eq modified-tick (buffer-modified-tick)))
1453 (setq modified-tick (buffer-modified-tick))
1455 ((listp gnus-simplify-subject-fuzzy-regexp)
1456 (mapcar 'gnus-simplify-buffer-fuzzy-step
1457 gnus-simplify-subject-fuzzy-regexp))
1458 (gnus-simplify-subject-fuzzy-regexp
1459 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1460 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1461 (gnus-simplify-buffer-fuzzy-step
1462 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1463 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1465 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1466 (gnus-simplify-buffer-fuzzy-step " +" " ")
1467 (gnus-simplify-buffer-fuzzy-step " $")
1468 (gnus-simplify-buffer-fuzzy-step "^ +")))
1470 (defun gnus-simplify-subject-fuzzy (subject)
1471 "Simplify a subject string fuzzily.
1472 See `gnus-simplify-buffer-fuzzy' for details."
1474 (gnus-set-work-buffer)
1475 (let ((case-fold-search t))
1476 ;; Remove uninteresting prefixes.
1477 (when (and gnus-simplify-ignored-prefixes
1478 (string-match gnus-simplify-ignored-prefixes subject))
1479 (setq subject (substring subject (match-end 0))))
1481 (inline (gnus-simplify-buffer-fuzzy))
1484 (defsubst gnus-simplify-subject-fully (subject)
1485 "Simplify a subject string according to gnus-summary-gather-subject-limit."
1487 (gnus-simplify-subject-functions
1488 (gnus-map-function gnus-simplify-subject-functions subject))
1489 ((null gnus-summary-gather-subject-limit)
1490 (gnus-simplify-subject-re subject))
1491 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1492 (gnus-simplify-subject-fuzzy subject))
1493 ((numberp gnus-summary-gather-subject-limit)
1494 (gnus-limit-string (gnus-simplify-subject-re subject)
1495 gnus-summary-gather-subject-limit))
1499 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1500 "Check whether two subjects are equal.
1501 If optional argument simple-first is t, first argument is already
1504 ((null simple-first)
1505 (equal (gnus-simplify-subject-fully s1)
1506 (gnus-simplify-subject-fully s2)))
1509 (gnus-simplify-subject-fully s2)))))
1511 (defun gnus-summary-bubble-group ()
1512 "Increase the score of the current group.
1513 This is a handy function to add to `gnus-summary-exit-hook' to
1514 increase the score of each group you read."
1515 (gnus-group-add-score gnus-newsgroup-name))
1519 ;;; Gnus summary mode
1522 (put 'gnus-summary-mode 'mode-class 'special)
1524 (defvar gnus-article-commands-menu)
1527 ;; Non-orthogonal keys
1529 (gnus-define-keys gnus-summary-mode-map
1530 " " gnus-summary-next-page
1531 "\177" gnus-summary-prev-page
1532 [delete] gnus-summary-prev-page
1533 [backspace] gnus-summary-prev-page
1534 "\r" gnus-summary-scroll-up
1535 "\M-\r" gnus-summary-scroll-down
1536 "n" gnus-summary-next-unread-article
1537 "p" gnus-summary-prev-unread-article
1538 "N" gnus-summary-next-article
1539 "P" gnus-summary-prev-article
1540 "\M-\C-n" gnus-summary-next-same-subject
1541 "\M-\C-p" gnus-summary-prev-same-subject
1542 "\M-n" gnus-summary-next-unread-subject
1543 "\M-p" gnus-summary-prev-unread-subject
1544 "." gnus-summary-first-unread-article
1545 "," gnus-summary-best-unread-article
1546 "\M-s" gnus-summary-search-article-forward
1547 "\M-r" gnus-summary-search-article-backward
1548 "<" gnus-summary-beginning-of-article
1549 ">" gnus-summary-end-of-article
1550 "j" gnus-summary-goto-article
1551 "^" gnus-summary-refer-parent-article
1552 "\M-^" gnus-summary-refer-article
1553 "u" gnus-summary-tick-article-forward
1554 "!" gnus-summary-tick-article-forward
1555 "U" gnus-summary-tick-article-backward
1556 "d" gnus-summary-mark-as-read-forward
1557 "D" gnus-summary-mark-as-read-backward
1558 "E" gnus-summary-mark-as-expirable
1559 "\M-u" gnus-summary-clear-mark-forward
1560 "\M-U" gnus-summary-clear-mark-backward
1561 "k" gnus-summary-kill-same-subject-and-select
1562 "\C-k" gnus-summary-kill-same-subject
1563 "\M-\C-k" gnus-summary-kill-thread
1564 "\M-\C-l" gnus-summary-lower-thread
1565 "e" gnus-summary-edit-article
1566 "#" gnus-summary-mark-as-processable
1567 "\M-#" gnus-summary-unmark-as-processable
1568 "\M-\C-t" gnus-summary-toggle-threads
1569 "\M-\C-s" gnus-summary-show-thread
1570 "\M-\C-h" gnus-summary-hide-thread
1571 "\M-\C-f" gnus-summary-next-thread
1572 "\M-\C-b" gnus-summary-prev-thread
1573 [(meta down)] gnus-summary-next-thread
1574 [(meta up)] gnus-summary-prev-thread
1575 "\M-\C-u" gnus-summary-up-thread
1576 "\M-\C-d" gnus-summary-down-thread
1577 "&" gnus-summary-execute-command
1578 "c" gnus-summary-catchup-and-exit
1579 "\C-w" gnus-summary-mark-region-as-read
1580 "\C-t" gnus-summary-toggle-truncation
1581 "?" gnus-summary-mark-as-dormant
1582 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1583 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1584 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1585 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1586 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1587 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1588 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1589 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1590 "\C-c\C-s\C-o" gnus-summary-sort-by-original
1591 "\C-c\C-s\C-r" gnus-summary-sort-by-random
1592 "=" gnus-summary-expand-window
1593 "\C-x\C-s" gnus-summary-reselect-current-group
1594 "\M-g" gnus-summary-rescan-group
1595 "w" gnus-summary-stop-page-breaking
1596 "\C-c\C-r" gnus-summary-caesar-message
1597 "f" gnus-summary-followup
1598 "F" gnus-summary-followup-with-original
1599 "C" gnus-summary-cancel-article
1600 "r" gnus-summary-reply
1601 "R" gnus-summary-reply-with-original
1602 "\C-c\C-f" gnus-summary-mail-forward
1603 "o" gnus-summary-save-article
1604 "\C-o" gnus-summary-save-article-mail
1605 "|" gnus-summary-pipe-output
1606 "\M-k" gnus-summary-edit-local-kill
1607 "\M-K" gnus-summary-edit-global-kill
1609 "\C-c\C-d" gnus-summary-describe-group
1610 "q" gnus-summary-exit
1611 "Q" gnus-summary-exit-no-update
1612 "\C-c\C-i" gnus-info-find-node
1613 gnus-mouse-2 gnus-mouse-pick-article
1614 "m" gnus-summary-mail-other-window
1615 "a" gnus-summary-post-news
1616 "i" gnus-summary-news-other-window
1617 "x" gnus-summary-limit-to-unread
1618 "s" gnus-summary-isearch-article
1619 "t" gnus-summary-toggle-header
1620 "g" gnus-summary-show-article
1621 "l" gnus-summary-goto-last-article
1622 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1623 "\C-d" gnus-summary-enter-digest-group
1624 "\M-\C-d" gnus-summary-read-document
1625 "\M-\C-e" gnus-summary-edit-parameters
1626 "\M-\C-a" gnus-summary-customize-parameters
1628 "*" gnus-cache-enter-article
1629 "\M-*" gnus-cache-remove-article
1630 "\M-&" gnus-summary-universal-argument
1631 "\C-l" gnus-recenter
1632 "I" gnus-summary-increase-score
1633 "L" gnus-summary-lower-score
1634 "\M-i" gnus-symbolic-argument
1635 "h" gnus-summary-select-article-buffer
1637 "b" gnus-article-view-part
1638 "\M-t" gnus-summary-toggle-display-buttonized
1640 "V" gnus-summary-score-map
1641 "X" gnus-uu-extract-map
1642 "S" gnus-summary-send-map)
1644 ;; Sort of orthogonal keymap
1645 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1646 "t" gnus-summary-tick-article-forward
1647 "!" gnus-summary-tick-article-forward
1648 "d" gnus-summary-mark-as-read-forward
1649 "r" gnus-summary-mark-as-read-forward
1650 "c" gnus-summary-clear-mark-forward
1651 " " gnus-summary-clear-mark-forward
1652 "e" gnus-summary-mark-as-expirable
1653 "x" gnus-summary-mark-as-expirable
1654 "?" gnus-summary-mark-as-dormant
1655 "b" gnus-summary-set-bookmark
1656 "B" gnus-summary-remove-bookmark
1657 "#" gnus-summary-mark-as-processable
1658 "\M-#" gnus-summary-unmark-as-processable
1659 "S" gnus-summary-limit-include-expunged
1660 "C" gnus-summary-catchup
1661 "H" gnus-summary-catchup-to-here
1662 "h" gnus-summary-catchup-from-here
1663 "\C-c" gnus-summary-catchup-all
1664 "k" gnus-summary-kill-same-subject-and-select
1665 "K" gnus-summary-kill-same-subject
1666 "P" gnus-uu-mark-map)
1668 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1669 "c" gnus-summary-clear-above
1670 "u" gnus-summary-tick-above
1671 "m" gnus-summary-mark-above
1672 "k" gnus-summary-kill-below)
1674 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1675 "/" gnus-summary-limit-to-subject
1676 "n" gnus-summary-limit-to-articles
1677 "w" gnus-summary-pop-limit
1678 "s" gnus-summary-limit-to-subject
1679 "a" gnus-summary-limit-to-author
1680 "u" gnus-summary-limit-to-unread
1681 "m" gnus-summary-limit-to-marks
1682 "M" gnus-summary-limit-exclude-marks
1683 "v" gnus-summary-limit-to-score
1684 "*" gnus-summary-limit-include-cached
1685 "D" gnus-summary-limit-include-dormant
1686 "T" gnus-summary-limit-include-thread
1687 "d" gnus-summary-limit-exclude-dormant
1688 "t" gnus-summary-limit-to-age
1689 "." gnus-summary-limit-to-unseen
1690 "x" gnus-summary-limit-to-extra
1691 "p" gnus-summary-limit-to-display-predicate
1692 "E" gnus-summary-limit-include-expunged
1693 "c" gnus-summary-limit-exclude-childless-dormant
1694 "C" gnus-summary-limit-mark-excluded-as-read
1695 "o" gnus-summary-insert-old-articles
1696 "N" gnus-summary-insert-new-articles)
1698 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1699 "n" gnus-summary-next-unread-article
1700 "p" gnus-summary-prev-unread-article
1701 "N" gnus-summary-next-article
1702 "P" gnus-summary-prev-article
1703 "\C-n" gnus-summary-next-same-subject
1704 "\C-p" gnus-summary-prev-same-subject
1705 "\M-n" gnus-summary-next-unread-subject
1706 "\M-p" gnus-summary-prev-unread-subject
1707 "f" gnus-summary-first-unread-article
1708 "b" gnus-summary-best-unread-article
1709 "j" gnus-summary-goto-article
1710 "g" gnus-summary-goto-subject
1711 "l" gnus-summary-goto-last-article
1712 "o" gnus-summary-pop-article)
1714 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1715 "k" gnus-summary-kill-thread
1716 "l" gnus-summary-lower-thread
1717 "i" gnus-summary-raise-thread
1718 "T" gnus-summary-toggle-threads
1719 "t" gnus-summary-rethread-current
1720 "^" gnus-summary-reparent-thread
1721 "s" gnus-summary-show-thread
1722 "S" gnus-summary-show-all-threads
1723 "h" gnus-summary-hide-thread
1724 "H" gnus-summary-hide-all-threads
1725 "n" gnus-summary-next-thread
1726 "p" gnus-summary-prev-thread
1727 "u" gnus-summary-up-thread
1728 "o" gnus-summary-top-thread
1729 "d" gnus-summary-down-thread
1730 "#" gnus-uu-mark-thread
1731 "\M-#" gnus-uu-unmark-thread)
1733 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1734 "g" gnus-summary-prepare
1735 "c" gnus-summary-insert-cached-articles
1736 "d" gnus-summary-insert-dormant-articles)
1738 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1739 "c" gnus-summary-catchup-and-exit
1740 "C" gnus-summary-catchup-all-and-exit
1741 "E" gnus-summary-exit-no-update
1742 "Q" gnus-summary-exit
1743 "Z" gnus-summary-exit
1744 "n" gnus-summary-catchup-and-goto-next-group
1745 "R" gnus-summary-reselect-current-group
1746 "G" gnus-summary-rescan-group
1747 "N" gnus-summary-next-group
1748 "s" gnus-summary-save-newsrc
1749 "P" gnus-summary-prev-group)
1751 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1752 " " gnus-summary-next-page
1753 "n" gnus-summary-next-page
1754 "\177" gnus-summary-prev-page
1755 [delete] gnus-summary-prev-page
1756 "p" gnus-summary-prev-page
1757 "\r" gnus-summary-scroll-up
1758 "\M-\r" gnus-summary-scroll-down
1759 "<" gnus-summary-beginning-of-article
1760 ">" gnus-summary-end-of-article
1761 "b" gnus-summary-beginning-of-article
1762 "e" gnus-summary-end-of-article
1763 "^" gnus-summary-refer-parent-article
1764 "r" gnus-summary-refer-parent-article
1765 "D" gnus-summary-enter-digest-group
1766 "R" gnus-summary-refer-references
1767 "T" gnus-summary-refer-thread
1768 "g" gnus-summary-show-article
1769 "s" gnus-summary-isearch-article
1770 "P" gnus-summary-print-article
1771 "M" gnus-mailing-list-insinuate
1772 "t" gnus-article-babel)
1774 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1775 "b" gnus-article-add-buttons
1776 "B" gnus-article-add-buttons-to-head
1777 "o" gnus-article-treat-overstrike
1778 "e" gnus-article-emphasize
1779 "w" gnus-article-fill-cited-article
1780 "Q" gnus-article-fill-long-lines
1781 "C" gnus-article-capitalize-sentences
1782 "c" gnus-article-remove-cr
1783 "q" gnus-article-de-quoted-unreadable
1784 "6" gnus-article-de-base64-unreadable
1785 "Z" gnus-article-decode-HZ
1786 "h" gnus-article-wash-html
1787 "u" gnus-article-unsplit-urls
1788 "s" gnus-summary-force-verify-and-decrypt
1789 "f" gnus-article-display-x-face
1790 "l" gnus-summary-stop-page-breaking
1791 "r" gnus-summary-caesar-message
1792 "m" gnus-summary-morse-message
1793 "t" gnus-summary-toggle-header
1794 "g" gnus-treat-smiley
1795 "v" gnus-summary-verbose-headers
1796 "a" gnus-article-strip-headers-in-body ;; mnemonic: wash archive
1797 "p" gnus-article-verify-x-pgp-sig
1798 "d" gnus-article-treat-dumbquotes
1799 "k" gnus-article-outlook-deuglify-article) ;; mnemonic: outloo*k*
1801 (gnus-define-keys (gnus-summary-wash-deuglify-map "Y" gnus-summary-wash-map)
1802 ;; mnemonic: deuglif*Y*
1803 "u" gnus-outlook-unwrap-lines
1804 "a" gnus-outlook-repair-attribution
1805 "c" gnus-outlook-rearrange-citation
1806 "f" gnus-article-outlook-deuglify-article) ;; mnemonic: full deuglify
1808 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1809 "a" gnus-article-hide
1810 "h" gnus-article-hide-headers
1811 "b" gnus-article-hide-boring-headers
1812 "s" gnus-article-hide-signature
1813 "c" gnus-article-hide-citation
1814 "C" gnus-article-hide-citation-in-followups
1815 "l" gnus-article-hide-list-identifiers
1816 "p" gnus-article-hide-pgp
1817 "B" gnus-article-strip-banner
1818 "P" gnus-article-hide-pem
1819 "\C-c" gnus-article-hide-citation-maybe)
1821 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1822 "a" gnus-article-highlight
1823 "h" gnus-article-highlight-headers
1824 "c" gnus-article-highlight-citation
1825 "s" gnus-article-highlight-signature)
1827 (gnus-define-keys (gnus-summary-wash-header-map "G" gnus-summary-wash-map)
1828 "f" gnus-article-treat-fold-headers
1829 "u" gnus-article-treat-unfold-headers
1830 "n" gnus-article-treat-fold-newsgroups)
1832 (gnus-define-keys (gnus-summary-wash-display-map "D" gnus-summary-wash-map)
1833 "x" gnus-article-display-x-face
1834 "d" gnus-article-display-face
1835 "s" gnus-treat-smiley
1836 "D" gnus-article-remove-images
1837 "f" gnus-treat-from-picon
1838 "m" gnus-treat-mail-picon
1839 "n" gnus-treat-newsgroups-picon)
1841 (gnus-define-keys (gnus-summary-wash-mime-map "M" gnus-summary-wash-map)
1842 "w" gnus-article-decode-mime-words
1843 "c" gnus-article-decode-charset
1844 "v" gnus-mime-view-all-parts
1845 "b" gnus-article-view-part)
1847 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
1848 "z" gnus-article-date-ut
1849 "u" gnus-article-date-ut
1850 "l" gnus-article-date-local
1851 "p" gnus-article-date-english
1852 "e" gnus-article-date-lapsed
1853 "o" gnus-article-date-original
1854 "i" gnus-article-date-iso8601
1855 "s" gnus-article-date-user)
1857 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
1858 "t" gnus-article-remove-trailing-blank-lines
1859 "l" gnus-article-strip-leading-blank-lines
1860 "m" gnus-article-strip-multiple-blank-lines
1861 "a" gnus-article-strip-blank-lines
1862 "A" gnus-article-strip-all-blank-lines
1863 "s" gnus-article-strip-leading-space
1864 "e" gnus-article-strip-trailing-space
1865 "w" gnus-article-remove-leading-whitespace)
1867 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
1869 "f" gnus-summary-fetch-faq
1870 "d" gnus-summary-describe-group
1871 "h" gnus-summary-describe-briefly
1872 "i" gnus-info-find-node
1873 "c" gnus-group-fetch-charter
1874 "C" gnus-group-fetch-control)
1876 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
1877 "e" gnus-summary-expire-articles
1878 "\M-\C-e" gnus-summary-expire-articles-now
1879 "\177" gnus-summary-delete-article
1880 [delete] gnus-summary-delete-article
1881 [backspace] gnus-summary-delete-article
1882 "m" gnus-summary-move-article
1883 "r" gnus-summary-respool-article
1884 "w" gnus-summary-edit-article
1885 "c" gnus-summary-copy-article
1886 "B" gnus-summary-crosspost-article
1887 "q" gnus-summary-respool-query
1888 "t" gnus-summary-respool-trace
1889 "i" gnus-summary-import-article
1890 "I" gnus-summary-create-article
1891 "p" gnus-summary-article-posted-p)
1893 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
1894 "o" gnus-summary-save-article
1895 "m" gnus-summary-save-article-mail
1896 "F" gnus-summary-write-article-file
1897 "r" gnus-summary-save-article-rmail
1898 "f" gnus-summary-save-article-file
1899 "b" gnus-summary-save-article-body-file
1900 "h" gnus-summary-save-article-folder
1901 "v" gnus-summary-save-article-vm
1902 "p" gnus-summary-pipe-output
1903 "P" gnus-summary-muttprint
1904 "s" gnus-soup-add-article)
1906 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
1907 "b" gnus-summary-display-buttonized
1908 "m" gnus-summary-repair-multipart
1909 "v" gnus-article-view-part
1910 "o" gnus-article-save-part
1911 "c" gnus-article-copy-part
1912 "C" gnus-article-view-part-as-charset
1913 "e" gnus-article-view-part-externally
1914 "E" gnus-article-encrypt-body
1915 "i" gnus-article-inline-part
1916 "|" gnus-article-pipe-part)
1918 (gnus-define-keys (gnus-uu-mark-map "P" gnus-summary-mark-map)
1919 "p" gnus-summary-mark-as-processable
1920 "u" gnus-summary-unmark-as-processable
1921 "U" gnus-summary-unmark-all-processable
1922 "v" gnus-uu-mark-over
1923 "s" gnus-uu-mark-series
1924 "r" gnus-uu-mark-region
1925 "g" gnus-uu-unmark-region
1926 "R" gnus-uu-mark-by-regexp
1927 "G" gnus-uu-unmark-by-regexp
1928 "t" gnus-uu-mark-thread
1929 "T" gnus-uu-unmark-thread
1930 "a" gnus-uu-mark-all
1931 "b" gnus-uu-mark-buffer
1932 "S" gnus-uu-mark-sparse
1933 "k" gnus-summary-kill-process-mark
1934 "y" gnus-summary-yank-process-mark
1935 "w" gnus-summary-save-process-mark
1936 "i" gnus-uu-invert-processable)
1938 (gnus-define-keys (gnus-uu-extract-map "X" gnus-summary-mode-map)
1939 ;;"x" gnus-uu-extract-any
1940 "m" gnus-summary-save-parts
1941 "u" gnus-uu-decode-uu
1942 "U" gnus-uu-decode-uu-and-save
1943 "s" gnus-uu-decode-unshar
1944 "S" gnus-uu-decode-unshar-and-save
1945 "o" gnus-uu-decode-save
1946 "O" gnus-uu-decode-save
1947 "b" gnus-uu-decode-binhex
1948 "B" gnus-uu-decode-binhex
1949 "p" gnus-uu-decode-postscript
1950 "P" gnus-uu-decode-postscript-and-save)
1953 (gnus-uu-extract-view-map "v" gnus-uu-extract-map)
1954 "u" gnus-uu-decode-uu-view
1955 "U" gnus-uu-decode-uu-and-save-view
1956 "s" gnus-uu-decode-unshar-view
1957 "S" gnus-uu-decode-unshar-and-save-view
1958 "o" gnus-uu-decode-save-view
1959 "O" gnus-uu-decode-save-view
1960 "b" gnus-uu-decode-binhex-view
1961 "B" gnus-uu-decode-binhex-view
1962 "p" gnus-uu-decode-postscript-view
1963 "P" gnus-uu-decode-postscript-and-save-view))
1965 (defvar gnus-article-post-menu nil)
1967 (defconst gnus-summary-menu-maxlen 20)
1969 (defun gnus-summary-menu-split (menu)
1970 ;; If we have lots of elements, divide them into groups of 20
1971 ;; and make a pane (or submenu) for each one.
1972 (if (> (length menu) (/ (* gnus-summary-menu-maxlen 3) 2))
1973 (let ((menu menu) sublists next
1976 ;; Pull off the next gnus-summary-menu-maxlen elements
1977 ;; and make them the next element of sublist.
1978 (setq next (nthcdr gnus-summary-menu-maxlen menu))
1980 (setcdr (nthcdr (1- gnus-summary-menu-maxlen) menu)
1982 (setq sublists (cons (cons (format "%s ... %s" (aref (car menu) 0)
1983 (aref (car (last menu)) 0)) menu)
1987 (nreverse sublists))
1988 ;; Few elements--put them all in one pane.
1991 (defun gnus-summary-make-menu-bar ()
1992 (gnus-turn-off-edit-menu 'summary)
1994 (unless (boundp 'gnus-summary-misc-menu)
1997 gnus-summary-kill-menu gnus-summary-mode-map ""
2002 ["Customize" gnus-score-customize t])
2003 (gnus-make-score-map 'increase)
2004 (gnus-make-score-map 'lower)
2006 ["Kill below" gnus-summary-kill-below t]
2007 ["Mark above" gnus-summary-mark-above t]
2008 ["Tick above" gnus-summary-tick-above t]
2009 ["Clear above" gnus-summary-clear-above t])
2010 ["Current score" gnus-summary-current-score t]
2011 ["Set score" gnus-summary-set-score t]
2012 ["Switch current score file..." gnus-score-change-score-file t]
2013 ["Set mark below..." gnus-score-set-mark-below t]
2014 ["Set expunge below..." gnus-score-set-expunge-below t]
2015 ["Edit current score file" gnus-score-edit-current-scores t]
2016 ["Edit score file" gnus-score-edit-file t]
2017 ["Trace score" gnus-score-find-trace t]
2018 ["Find words" gnus-score-find-favourite-words t]
2019 ["Rescore buffer" gnus-summary-rescore t]
2020 ["Increase score..." gnus-summary-increase-score t]
2021 ["Lower score..." gnus-summary-lower-score t]))))
2023 ;; Define both the Article menu in the summary buffer and the
2024 ;; equivalent Commands menu in the article buffer here for
2028 ["All" gnus-article-hide t]
2029 ["Headers" gnus-article-hide-headers t]
2030 ["Signature" gnus-article-hide-signature t]
2031 ["Citation" gnus-article-hide-citation t]
2032 ["List identifiers" gnus-article-hide-list-identifiers t]
2033 ["PGP" gnus-article-hide-pgp t]
2034 ["Banner" gnus-article-strip-banner t]
2035 ["Boring headers" gnus-article-hide-boring-headers t])
2037 ["All" gnus-article-highlight t]
2038 ["Headers" gnus-article-highlight-headers t]
2039 ["Signature" gnus-article-highlight-signature t]
2040 ["Citation" gnus-article-highlight-citation t])
2042 ["Words" gnus-article-decode-mime-words t]
2043 ["Charset" gnus-article-decode-charset t]
2044 ["QP" gnus-article-de-quoted-unreadable t]
2045 ["Base64" gnus-article-de-base64-unreadable t]
2046 ["View MIME buttons" gnus-summary-display-buttonized t]
2047 ["View all" gnus-mime-view-all-parts t]
2048 ["Verify and Decrypt" gnus-summary-force-verify-and-decrypt t]
2049 ["Encrypt body" gnus-article-encrypt-body t]
2050 ["Extract all parts" gnus-summary-save-parts t])
2052 ["Local" gnus-article-date-local t]
2053 ["ISO8601" gnus-article-date-iso8601 t]
2054 ["UT" gnus-article-date-ut t]
2055 ["Original" gnus-article-date-original t]
2056 ["Lapsed" gnus-article-date-lapsed t]
2057 ["User-defined" gnus-article-date-user t])
2059 ["Remove images" gnus-article-remove-images t]
2060 ["Toggle smiley" gnus-treat-smiley t]
2061 ["Show X-Face" gnus-article-display-x-face t]
2062 ["Show picons in From" gnus-treat-from-picon t]
2063 ["Show picons in mail headers" gnus-treat-mail-picon t]
2064 ["Show picons in news headers" gnus-treat-newsgroups-picon t]
2065 ("View as different encoding"
2066 ,@(gnus-summary-menu-split
2069 ;; Since easymenu under FSF Emacs doesn't allow lambda
2070 ;; forms for menu commands, we should provide intern'ed
2071 ;; function symbols.
2072 (let ((command (intern (format "\
2073 gnus-summary-show-article-from-menu-as-charset-%s" cs))))
2077 (let ((gnus-summary-show-article-charset-alist
2079 (gnus-summary-show-article 1))))
2080 `[,(symbol-name cs) ,command t]))
2081 (sort (if (fboundp 'coding-system-list)
2082 (coding-system-list)
2083 (mapcar 'car mm-mime-mule-charset-alist))
2087 ["Leading" gnus-article-strip-leading-blank-lines t]
2088 ["Multiple" gnus-article-strip-multiple-blank-lines t]
2089 ["Trailing" gnus-article-remove-trailing-blank-lines t]
2090 ["All of the above" gnus-article-strip-blank-lines t]
2091 ["All" gnus-article-strip-all-blank-lines t]
2092 ["Leading space" gnus-article-strip-leading-space t]
2093 ["Trailing space" gnus-article-strip-trailing-space t]
2094 ["Leading space in headers"
2095 gnus-article-remove-leading-whitespace t])
2096 ["Overstrike" gnus-article-treat-overstrike t]
2097 ["Dumb quotes" gnus-article-treat-dumbquotes t]
2098 ["Emphasis" gnus-article-emphasize t]
2099 ["Word wrap" gnus-article-fill-cited-article t]
2100 ["Fill long lines" gnus-article-fill-long-lines t]
2101 ["Capitalize sentences" gnus-article-capitalize-sentences t]
2102 ["CR" gnus-article-remove-cr t]
2103 ["Quoted-Printable" gnus-article-de-quoted-unreadable t]
2104 ["Base64" gnus-article-de-base64-unreadable t]
2105 ["Rot 13" gnus-summary-caesar-message
2106 ,@(if (featurep 'xemacs) '(t)
2107 '(:help "\"Caesar rotate\" article by 13"))]
2108 ["Morse decode" gnus-summary-morse-message t]
2109 ["Unix pipe..." gnus-summary-pipe-message t]
2110 ["Add buttons" gnus-article-add-buttons t]
2111 ["Add buttons to head" gnus-article-add-buttons-to-head t]
2112 ["Stop page breaking" gnus-summary-stop-page-breaking t]
2113 ["Verbose header" gnus-summary-verbose-headers t]
2114 ["Toggle header" gnus-summary-toggle-header t]
2115 ["Unfold headers" gnus-article-treat-unfold-headers t]
2116 ["Fold newsgroups" gnus-article-treat-fold-newsgroups t]
2117 ["Html" gnus-article-wash-html t]
2118 ["URLs" gnus-article-unsplit-urls t]
2119 ["Verify X-PGP-Sig" gnus-article-verify-x-pgp-sig t]
2120 ["HZ" gnus-article-decode-HZ t]
2121 ("(Outlook) Deuglify"
2122 ["Unwrap lines" gnus-outlook-unwrap-lines t]
2123 ["Repair attribution" gnus-outlook-repair-attribution t]
2124 ["Rearrange citation" gnus-outlook-rearrange-citation t]
2125 ["Full (Outlook) deuglify"
2126 gnus-article-outlook-deuglify-article t])
2129 ["Save in default format" gnus-summary-save-article
2130 ,@(if (featurep 'xemacs) '(t)
2131 '(:help "Save article using default method"))]
2132 ["Save in file" gnus-summary-save-article-file
2133 ,@(if (featurep 'xemacs) '(t)
2134 '(:help "Save article in file"))]
2135 ["Save in Unix mail format" gnus-summary-save-article-mail t]
2136 ["Save in MH folder" gnus-summary-save-article-folder t]
2137 ["Save in VM folder" gnus-summary-save-article-vm t]
2138 ["Save in RMAIL mbox" gnus-summary-save-article-rmail t]
2139 ["Save body in file" gnus-summary-save-article-body-file t]
2140 ["Pipe through a filter" gnus-summary-pipe-output t]
2141 ["Add to SOUP packet" gnus-soup-add-article t]
2142 ["Print with Muttprint" gnus-summary-muttprint t]
2143 ["Print" gnus-summary-print-article t])
2145 ["Respool article..." gnus-summary-respool-article t]
2146 ["Move article..." gnus-summary-move-article
2147 (gnus-check-backend-function
2148 'request-move-article gnus-newsgroup-name)]
2149 ["Copy article..." gnus-summary-copy-article t]
2150 ["Crosspost article..." gnus-summary-crosspost-article
2151 (gnus-check-backend-function
2152 'request-replace-article gnus-newsgroup-name)]
2153 ["Import file..." gnus-summary-import-article t]
2154 ["Create article..." gnus-summary-create-article t]
2155 ["Check if posted" gnus-summary-article-posted-p t]
2156 ["Edit article" gnus-summary-edit-article
2157 (not (gnus-group-read-only-p))]
2158 ["Delete article" gnus-summary-delete-article
2159 (gnus-check-backend-function
2160 'request-expire-articles gnus-newsgroup-name)]
2161 ["Query respool" gnus-summary-respool-query t]
2162 ["Trace respool" gnus-summary-respool-trace t]
2163 ["Delete expirable articles" gnus-summary-expire-articles-now
2164 (gnus-check-backend-function
2165 'request-expire-articles gnus-newsgroup-name)])
2167 ["Uudecode" gnus-uu-decode-uu
2168 ,@(if (featurep 'xemacs) '(t)
2169 '(:help "Decode uuencoded article(s)"))]
2170 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
2171 ["Unshar" gnus-uu-decode-unshar t]
2172 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
2173 ["Save" gnus-uu-decode-save t]
2174 ["Binhex" gnus-uu-decode-binhex t]
2175 ["Postscript" gnus-uu-decode-postscript t]
2176 ["All MIME parts" gnus-summary-save-parts t])
2178 ["Enter article" gnus-cache-enter-article t]
2179 ["Remove article" gnus-cache-remove-article t])
2180 ["Translate" gnus-article-babel t]
2181 ["Select article buffer" gnus-summary-select-article-buffer t]
2182 ["Enter digest buffer" gnus-summary-enter-digest-group t]
2183 ["Isearch article..." gnus-summary-isearch-article t]
2184 ["Beginning of the article" gnus-summary-beginning-of-article t]
2185 ["End of the article" gnus-summary-end-of-article t]
2186 ["Fetch parent of article" gnus-summary-refer-parent-article t]
2187 ["Fetch referenced articles" gnus-summary-refer-references t]
2188 ["Fetch current thread" gnus-summary-refer-thread t]
2189 ["Fetch article with id..." gnus-summary-refer-article t]
2190 ["Setup Mailing List Params" gnus-mailing-list-insinuate t]
2191 ["Redisplay" gnus-summary-show-article t]
2192 ["Raw article" gnus-summary-show-raw-article :keys "C-u g"])))
2194 gnus-summary-article-menu gnus-summary-mode-map ""
2195 (cons "Article" innards))
2197 (if (not (keymapp gnus-summary-article-menu))
2199 gnus-article-commands-menu gnus-article-mode-map ""
2200 (cons "Commands" innards))
2201 ;; in Emacs, don't share menu.
2202 (setq gnus-article-commands-menu
2203 (copy-keymap gnus-summary-article-menu))
2204 (define-key gnus-article-mode-map [menu-bar commands]
2205 (cons "Commands" gnus-article-commands-menu))))
2208 gnus-summary-thread-menu gnus-summary-mode-map ""
2210 ["Find all messages in thread" gnus-summary-refer-thread t]
2211 ["Toggle threading" gnus-summary-toggle-threads t]
2212 ["Hide threads" gnus-summary-hide-all-threads t]
2213 ["Show threads" gnus-summary-show-all-threads t]
2214 ["Hide thread" gnus-summary-hide-thread t]
2215 ["Show thread" gnus-summary-show-thread t]
2216 ["Go to next thread" gnus-summary-next-thread t]
2217 ["Go to previous thread" gnus-summary-prev-thread t]
2218 ["Go down thread" gnus-summary-down-thread t]
2219 ["Go up thread" gnus-summary-up-thread t]
2220 ["Top of thread" gnus-summary-top-thread t]
2221 ["Mark thread as read" gnus-summary-kill-thread t]
2222 ["Lower thread score" gnus-summary-lower-thread t]
2223 ["Raise thread score" gnus-summary-raise-thread t]
2224 ["Rethread current" gnus-summary-rethread-current t]))
2227 gnus-summary-post-menu gnus-summary-mode-map ""
2229 ["Send a message (mail or news)" gnus-summary-post-news
2230 ,@(if (featurep 'xemacs) '(t)
2231 '(:help "Post an article"))]
2232 ["Followup" gnus-summary-followup
2233 ,@(if (featurep 'xemacs) '(t)
2234 '(:help "Post followup to this article"))]
2235 ["Followup and yank" gnus-summary-followup-with-original
2236 ,@(if (featurep 'xemacs) '(t)
2237 '(:help "Post followup to this article, quoting its contents"))]
2238 ["Supersede article" gnus-summary-supersede-article t]
2239 ["Cancel article" gnus-summary-cancel-article
2240 ,@(if (featurep 'xemacs) '(t)
2241 '(:help "Cancel an article you posted"))]
2242 ["Reply" gnus-summary-reply t]
2243 ["Reply and yank" gnus-summary-reply-with-original t]
2244 ["Wide reply" gnus-summary-wide-reply t]
2245 ["Wide reply and yank" gnus-summary-wide-reply-with-original
2246 ,@(if (featurep 'xemacs) '(t)
2247 '(:help "Mail a reply, quoting this article"))]
2248 ["Very wide reply" gnus-summary-very-wide-reply t]
2249 ["Very wide reply and yank" gnus-summary-very-wide-reply-with-original
2250 ,@(if (featurep 'xemacs) '(t)
2251 '(:help "Mail a very wide reply, quoting this article"))]
2252 ["Mail forward" gnus-summary-mail-forward t]
2253 ["Post forward" gnus-summary-post-forward t]
2254 ["Digest and mail" gnus-uu-digest-mail-forward t]
2255 ["Digest and post" gnus-uu-digest-post-forward t]
2256 ["Resend message" gnus-summary-resend-message t]
2257 ["Resend message edit" gnus-summary-resend-message-edit t]
2258 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
2259 ["Send a mail" gnus-summary-mail-other-window t]
2260 ["Create a local message" gnus-summary-news-other-window t]
2261 ["Uuencode and post" gnus-uu-post-news
2262 ,@(if (featurep 'xemacs) '(t)
2263 '(:help "Post a uuencoded article"))]
2264 ["Followup via news" gnus-summary-followup-to-mail t]
2265 ["Followup via news and yank"
2266 gnus-summary-followup-to-mail-with-original t]
2268 ;;["Send" gnus-summary-send-draft t]
2269 ;;["Send bounced" gnus-resend-bounced-mail t])
2273 ((not (keymapp gnus-summary-post-menu))
2274 (setq gnus-article-post-menu gnus-summary-post-menu))
2275 ((not gnus-article-post-menu)
2276 ;; Don't share post menu.
2277 (setq gnus-article-post-menu
2278 (copy-keymap gnus-summary-post-menu))))
2279 (define-key gnus-article-mode-map [menu-bar post]
2280 (cons "Post" gnus-article-post-menu))
2283 gnus-summary-misc-menu gnus-summary-mode-map ""
2286 ["Mark as read" gnus-summary-mark-as-read-forward t]
2287 ["Mark same subject and select"
2288 gnus-summary-kill-same-subject-and-select t]
2289 ["Mark same subject" gnus-summary-kill-same-subject t]
2290 ["Catchup" gnus-summary-catchup
2291 ,@(if (featurep 'xemacs) '(t)
2292 '(:help "Mark unread articles in this group as read"))]
2293 ["Catchup all" gnus-summary-catchup-all t]
2294 ["Catchup to here" gnus-summary-catchup-to-here t]
2295 ["Catchup from here" gnus-summary-catchup-from-here t]
2296 ["Catchup region" gnus-summary-mark-region-as-read t]
2297 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
2299 ["Tick" gnus-summary-tick-article-forward t]
2300 ["Mark as dormant" gnus-summary-mark-as-dormant t]
2301 ["Remove marks" gnus-summary-clear-mark-forward t]
2302 ["Set expirable mark" gnus-summary-mark-as-expirable t]
2303 ["Set bookmark" gnus-summary-set-bookmark t]
2304 ["Remove bookmark" gnus-summary-remove-bookmark t])
2306 ["Marks..." gnus-summary-limit-to-marks t]
2307 ["Subject..." gnus-summary-limit-to-subject t]
2308 ["Author..." gnus-summary-limit-to-author t]
2309 ["Age..." gnus-summary-limit-to-age t]
2310 ["Extra..." gnus-summary-limit-to-extra t]
2311 ["Score..." gnus-summary-limit-to-score t]
2312 ["Display Predicate" gnus-summary-limit-to-display-predicate t]
2313 ["Unread" gnus-summary-limit-to-unread t]
2314 ["Unseen" gnus-summary-limit-to-unseen t]
2315 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
2316 ["Next articles" gnus-summary-limit-to-articles t]
2317 ["Pop limit" gnus-summary-pop-limit t]
2318 ["Show dormant" gnus-summary-limit-include-dormant t]
2319 ["Hide childless dormant"
2320 gnus-summary-limit-exclude-childless-dormant t]
2321 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
2322 ["Hide marked" gnus-summary-limit-exclude-marks t]
2323 ["Show expunged" gnus-summary-limit-include-expunged t])
2325 ["Set mark" gnus-summary-mark-as-processable t]
2326 ["Remove mark" gnus-summary-unmark-as-processable t]
2327 ["Remove all marks" gnus-summary-unmark-all-processable t]
2328 ["Mark above" gnus-uu-mark-over t]
2329 ["Mark series" gnus-uu-mark-series t]
2330 ["Mark region" gnus-uu-mark-region t]
2331 ["Unmark region" gnus-uu-unmark-region t]
2332 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
2333 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
2334 ["Mark all" gnus-uu-mark-all t]
2335 ["Mark buffer" gnus-uu-mark-buffer t]
2336 ["Mark sparse" gnus-uu-mark-sparse t]
2337 ["Mark thread" gnus-uu-mark-thread t]
2338 ["Unmark thread" gnus-uu-unmark-thread t]
2339 ("Process Mark Sets"
2340 ["Kill" gnus-summary-kill-process-mark t]
2341 ["Yank" gnus-summary-yank-process-mark
2342 gnus-newsgroup-process-stack]
2343 ["Save" gnus-summary-save-process-mark t]))
2345 ["Page forward" gnus-summary-next-page
2346 ,@(if (featurep 'xemacs) '(t)
2347 '(:help "Show next page of article"))]
2348 ["Page backward" gnus-summary-prev-page
2349 ,@(if (featurep 'xemacs) '(t)
2350 '(:help "Show previous page of article"))]
2351 ["Line forward" gnus-summary-scroll-up t])
2353 ["Next unread article" gnus-summary-next-unread-article t]
2354 ["Previous unread article" gnus-summary-prev-unread-article t]
2355 ["Next article" gnus-summary-next-article t]
2356 ["Previous article" gnus-summary-prev-article t]
2357 ["Next unread subject" gnus-summary-next-unread-subject t]
2358 ["Previous unread subject" gnus-summary-prev-unread-subject t]
2359 ["Next article same subject" gnus-summary-next-same-subject t]
2360 ["Previous article same subject" gnus-summary-prev-same-subject t]
2361 ["First unread article" gnus-summary-first-unread-article t]
2362 ["Best unread article" gnus-summary-best-unread-article t]
2363 ["Go to subject number..." gnus-summary-goto-subject t]
2364 ["Go to article number..." gnus-summary-goto-article t]
2365 ["Go to the last article" gnus-summary-goto-last-article t]
2366 ["Pop article off history" gnus-summary-pop-article t])
2368 ["Sort by number" gnus-summary-sort-by-number t]
2369 ["Sort by author" gnus-summary-sort-by-author t]
2370 ["Sort by subject" gnus-summary-sort-by-subject t]
2371 ["Sort by date" gnus-summary-sort-by-date t]
2372 ["Sort by score" gnus-summary-sort-by-score t]
2373 ["Sort by lines" gnus-summary-sort-by-lines t]
2374 ["Sort by characters" gnus-summary-sort-by-chars t]
2375 ["Randomize" gnus-summary-sort-by-random t]
2376 ["Original sort" gnus-summary-sort-by-original t])
2378 ["Fetch group FAQ" gnus-summary-fetch-faq t]
2379 ["Describe group" gnus-summary-describe-group t]
2380 ["Fetch charter" gnus-group-fetch-charter
2381 ,@(if (featurep 'xemacs) nil
2382 '(:help "Display the charter of the current group"))]
2383 ["Fetch control message" gnus-group-fetch-control
2384 ,@(if (featurep 'xemacs) nil
2385 '(:help "Display the archived control message for the current group"))]
2386 ["Read manual" gnus-info-find-node t])
2388 ["Pick and read" gnus-pick-mode t]
2389 ["Binary" gnus-binary-mode t])
2391 ["Regenerate" gnus-summary-prepare t]
2392 ["Insert cached articles" gnus-summary-insert-cached-articles t]
2393 ["Insert dormant articles" gnus-summary-insert-dormant-articles t]
2394 ["Toggle threading" gnus-summary-toggle-threads t])
2395 ["See old articles" gnus-summary-insert-old-articles t]
2396 ["See new articles" gnus-summary-insert-new-articles t]
2397 ["Filter articles..." gnus-summary-execute-command t]
2398 ["Run command on subjects..." gnus-summary-universal-argument t]
2399 ["Search articles forward..." gnus-summary-search-article-forward t]
2400 ["Search articles backward..." gnus-summary-search-article-backward t]
2401 ["Toggle line truncation" gnus-summary-toggle-truncation t]
2402 ["Expand window" gnus-summary-expand-window t]
2403 ["Expire expirable articles" gnus-summary-expire-articles
2404 (gnus-check-backend-function
2405 'request-expire-articles gnus-newsgroup-name)]
2406 ["Edit local kill file" gnus-summary-edit-local-kill t]
2407 ["Edit main kill file" gnus-summary-edit-global-kill t]
2408 ["Edit group parameters" gnus-summary-edit-parameters t]
2409 ["Customize group parameters" gnus-summary-customize-parameters t]
2410 ["Send a bug report" gnus-bug t]
2412 ["Catchup and exit" gnus-summary-catchup-and-exit
2413 ,@(if (featurep 'xemacs) '(t)
2414 '(:help "Mark unread articles in this group as read, then exit"))]
2415 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
2416 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
2417 ["Exit group" gnus-summary-exit
2418 ,@(if (featurep 'xemacs) '(t)
2419 '(:help "Exit current group, return to group selection mode"))]
2420 ["Exit group without updating" gnus-summary-exit-no-update t]
2421 ["Exit and goto next group" gnus-summary-next-group t]
2422 ["Exit and goto prev group" gnus-summary-prev-group t]
2423 ["Reselect group" gnus-summary-reselect-current-group t]
2424 ["Rescan group" gnus-summary-rescan-group t]
2425 ["Update dribble" gnus-summary-save-newsrc t])))
2427 (gnus-run-hooks 'gnus-summary-menu-hook)))
2429 (defvar gnus-summary-tool-bar-map nil)
2431 ;; Emacs 21 tool bar. Should be no-op otherwise.
2432 (defun gnus-summary-make-tool-bar ()
2433 (if (and (fboundp 'tool-bar-add-item-from-menu)
2434 (default-value 'tool-bar-mode)
2435 (not gnus-summary-tool-bar-map))
2436 (setq gnus-summary-tool-bar-map
2437 (let ((tool-bar-map (make-sparse-keymap))
2438 (load-path (mm-image-load-path)))
2439 (tool-bar-add-item-from-menu
2440 'gnus-summary-prev-unread "prev-ur" gnus-summary-mode-map)
2441 (tool-bar-add-item-from-menu
2442 'gnus-summary-next-unread "next-ur" gnus-summary-mode-map)
2443 (tool-bar-add-item-from-menu
2444 'gnus-summary-post-news "post" gnus-summary-mode-map)
2445 (tool-bar-add-item-from-menu
2446 'gnus-summary-followup-with-original "fuwo" gnus-summary-mode-map)
2447 (tool-bar-add-item-from-menu
2448 'gnus-summary-followup "followup" gnus-summary-mode-map)
2449 (tool-bar-add-item-from-menu
2450 'gnus-summary-reply-with-original "reply-wo" gnus-summary-mode-map)
2451 (tool-bar-add-item-from-menu
2452 'gnus-summary-reply "reply" gnus-summary-mode-map)
2453 (tool-bar-add-item-from-menu
2454 'gnus-summary-caesar-message "rot13" gnus-summary-mode-map)
2455 (tool-bar-add-item-from-menu
2456 'gnus-uu-decode-uu "uu-decode" gnus-summary-mode-map)
2457 (tool-bar-add-item-from-menu
2458 'gnus-summary-save-article-file "save-aif" gnus-summary-mode-map)
2459 (tool-bar-add-item-from-menu
2460 'gnus-summary-save-article "save-art" gnus-summary-mode-map)
2461 (tool-bar-add-item-from-menu
2462 'gnus-uu-post-news "uu-post" gnus-summary-mode-map)
2463 (tool-bar-add-item-from-menu
2464 'gnus-summary-catchup "catchup" gnus-summary-mode-map)
2465 (tool-bar-add-item-from-menu
2466 'gnus-summary-catchup-and-exit "cu-exit" gnus-summary-mode-map)
2467 (tool-bar-add-item-from-menu
2468 'gnus-summary-exit "exit-summ" gnus-summary-mode-map)
2470 (if gnus-summary-tool-bar-map
2471 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
2473 (defun gnus-score-set-default (var value)
2474 "A version of set that updates the GNU Emacs menu-bar."
2476 ;; It is the message that forces the active status to be updated.
2479 (defun gnus-make-score-map (type)
2480 "Make a summary score map of type TYPE."
2483 (let ((headers '(("author" "from" string)
2484 ("subject" "subject" string)
2485 ("article body" "body" string)
2486 ("article head" "head" string)
2487 ("xref" "xref" string)
2488 ("extra header" "extra" string)
2489 ("lines" "lines" number)
2490 ("followups to author" "followup" string)))
2491 (types '((number ("less than" <)
2494 (string ("substring" s)
2498 (perms '(("temporary" (current-time-string))
2506 (if (eq type 'lower)
2511 (setq header (car headers))
2517 (let ((ts (cdr (assoc (nth 2 header) types)))
2533 'gnus-summary-score-entry
2535 (if (or (string= (nth 1 header)
2537 (string= (nth 1 header)
2540 (list 'gnus-summary-header
2542 (list 'quote (nth 1 (car ts)))
2543 (list 'gnus-score-delta-default
2550 (list (nreverse outp))))
2553 (list (nreverse outt))))
2555 (setq headers (cdr headers)))
2556 (list (nreverse outh))))))))
2560 (defun gnus-summary-mode (&optional group)
2561 "Major mode for reading articles.
2563 All normal editing commands are switched off.
2564 \\<gnus-summary-mode-map>
2565 Each line in this buffer represents one article. To read an
2566 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
2567 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
2570 You can also post articles and send mail from this buffer. To
2571 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
2572 of an article, type `\\[gnus-summary-reply]'.
2574 There are approx. one gazillion commands you can execute in this
2575 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
2577 The following commands are available:
2579 \\{gnus-summary-mode-map}"
2581 (kill-all-local-variables)
2582 (when (gnus-visual-p 'summary-menu 'menu)
2583 (gnus-summary-make-menu-bar)
2584 (gnus-summary-make-tool-bar))
2585 (gnus-summary-make-local-variables)
2586 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
2587 (gnus-summary-make-local-variables))
2588 (gnus-make-thread-indent-array)
2589 (gnus-simplify-mode-line)
2590 (setq major-mode 'gnus-summary-mode)
2591 (setq mode-name "Summary")
2592 (make-local-variable 'minor-mode-alist)
2593 (use-local-map gnus-summary-mode-map)
2594 (buffer-disable-undo)
2595 (setq buffer-read-only t) ;Disable modification
2596 (setq truncate-lines t)
2597 (setq selective-display t)
2598 (setq selective-display-ellipses t) ;Display `...'
2599 (gnus-summary-set-display-table)
2600 (gnus-set-default-directory)
2601 (setq gnus-newsgroup-name group)
2602 (make-local-variable 'gnus-summary-line-format)
2603 (make-local-variable 'gnus-summary-line-format-spec)
2604 (make-local-variable 'gnus-summary-dummy-line-format)
2605 (make-local-variable 'gnus-summary-dummy-line-format-spec)
2606 (make-local-variable 'gnus-summary-mark-positions)
2607 (make-local-hook 'pre-command-hook)
2608 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
2609 (gnus-run-hooks 'gnus-summary-mode-hook)
2610 (turn-on-gnus-mailing-list-mode)
2611 (mm-enable-multibyte)
2612 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
2613 (gnus-update-summary-mark-positions))
2615 (defun gnus-summary-make-local-variables ()
2616 "Make all the local summary buffer variables."
2618 (dolist (local gnus-summary-local-variables)
2621 (if (eq (cdr local) 'global)
2622 ;; Copy the global value of the variable.
2623 (setq global (symbol-value (car local)))
2624 ;; Use the value from the list.
2625 (setq global (eval (cdr local))))
2626 (set (make-local-variable (car local)) global))
2627 ;; Simple nil-valued local variable.
2628 (set (make-local-variable local) nil)))))
2630 (defun gnus-summary-clear-local-variables ()
2631 (let ((locals gnus-summary-local-variables))
2633 (if (consp (car locals))
2634 (and (vectorp (caar locals))
2635 (set (caar locals) nil))
2636 (and (vectorp (car locals))
2637 (set (car locals) nil)))
2638 (setq locals (cdr locals)))))
2640 ;; Summary data functions.
2642 (defmacro gnus-data-number (data)
2645 (defmacro gnus-data-set-number (data number)
2646 `(setcar ,data ,number))
2648 (defmacro gnus-data-mark (data)
2651 (defmacro gnus-data-set-mark (data mark)
2652 `(setcar (nthcdr 1 ,data) ,mark))
2654 (defmacro gnus-data-pos (data)
2657 (defmacro gnus-data-set-pos (data pos)
2658 `(setcar (nthcdr 2 ,data) ,pos))
2660 (defmacro gnus-data-header (data)
2663 (defmacro gnus-data-set-header (data header)
2664 `(setf (nth 3 ,data) ,header))
2666 (defmacro gnus-data-level (data)
2669 (defmacro gnus-data-unread-p (data)
2670 `(= (nth 1 ,data) gnus-unread-mark))
2672 (defmacro gnus-data-read-p (data)
2673 `(/= (nth 1 ,data) gnus-unread-mark))
2675 (defmacro gnus-data-pseudo-p (data)
2676 `(consp (nth 3 ,data)))
2678 (defmacro gnus-data-find (number)
2679 `(assq ,number gnus-newsgroup-data))
2681 (defmacro gnus-data-find-list (number &optional data)
2682 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
2683 (memq (assq ,number bdata)
2686 (defmacro gnus-data-make (number mark pos header level)
2687 `(list ,number ,mark ,pos ,header ,level))
2689 (defun gnus-data-enter (after-article number mark pos header level offset)
2690 (let ((data (gnus-data-find-list after-article)))
2692 (error "No such article: %d" after-article))
2693 (setcdr data (cons (gnus-data-make number mark pos header level)
2695 (setq gnus-newsgroup-data-reverse nil)
2696 (gnus-data-update-list (cddr data) offset)))
2698 (defun gnus-data-enter-list (after-article list &optional offset)
2700 (let ((data (and after-article (gnus-data-find-list after-article)))
2704 (let ((odata gnus-newsgroup-data))
2705 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
2707 (gnus-data-update-list odata offset)))
2708 ;; Find the last element in the list to be spliced into the main
2711 (setq list (cdr list)))
2714 (setcdr list gnus-newsgroup-data)
2715 (setq gnus-newsgroup-data ilist)
2717 (gnus-data-update-list (cdr list) offset)))
2718 (setcdr list (cdr data))
2721 (gnus-data-update-list (cdr list) offset))))
2722 (setq gnus-newsgroup-data-reverse nil))))
2724 (defun gnus-data-remove (article &optional offset)
2725 (let ((data gnus-newsgroup-data))
2726 (if (= (gnus-data-number (car data)) article)
2728 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
2729 gnus-newsgroup-data-reverse nil)
2731 (gnus-data-update-list gnus-newsgroup-data offset)))
2733 (when (= (gnus-data-number (cadr data)) article)
2734 (setcdr data (cddr data))
2736 (gnus-data-update-list (cdr data) offset))
2738 gnus-newsgroup-data-reverse nil))
2739 (setq data (cdr data))))))
2741 (defmacro gnus-data-list (backward)
2743 (or gnus-newsgroup-data-reverse
2744 (setq gnus-newsgroup-data-reverse
2745 (reverse gnus-newsgroup-data)))
2746 gnus-newsgroup-data))
2748 (defun gnus-data-update-list (data offset)
2749 "Add OFFSET to the POS of all data entries in DATA."
2750 (setq gnus-newsgroup-data-reverse nil)
2752 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
2753 (setq data (cdr data))))
2755 (defun gnus-summary-article-pseudo-p (article)
2756 "Say whether this article is a pseudo article or not."
2757 (not (vectorp (gnus-data-header (gnus-data-find article)))))
2759 (defmacro gnus-summary-article-sparse-p (article)
2760 "Say whether this article is a sparse article or not."
2761 `(memq ,article gnus-newsgroup-sparse))
2763 (defmacro gnus-summary-article-ancient-p (article)
2764 "Say whether this article is a sparse article or not."
2765 `(memq ,article gnus-newsgroup-ancient))
2767 (defun gnus-article-parent-p (number)
2768 "Say whether this article is a parent or not."
2769 (let ((data (gnus-data-find-list number)))
2770 (and (cdr data) ; There has to be an article after...
2771 (< (gnus-data-level (car data)) ; And it has to have a higher level.
2772 (gnus-data-level (nth 1 data))))))
2774 (defun gnus-article-children (number)
2775 "Return a list of all children to NUMBER."
2776 (let* ((data (gnus-data-find-list number))
2777 (level (gnus-data-level (car data)))
2779 (setq data (cdr data))
2781 (= (gnus-data-level (car data)) (1+ level)))
2782 (push (gnus-data-number (car data)) children)
2783 (setq data (cdr data)))
2786 (defmacro gnus-summary-skip-intangible ()
2787 "If the current article is intangible, then jump to a different article."
2788 '(let ((to (get-text-property (point) 'gnus-intangible)))
2789 (and to (gnus-summary-goto-subject to))))
2791 (defmacro gnus-summary-article-intangible-p ()
2792 "Say whether this article is intangible or not."
2793 '(get-text-property (point) 'gnus-intangible))
2795 (defun gnus-article-read-p (article)
2796 "Say whether ARTICLE is read or not."
2797 (not (or (memq article gnus-newsgroup-marked)
2798 (memq article gnus-newsgroup-spam-marked)
2799 (memq article gnus-newsgroup-unreads)
2800 (memq article gnus-newsgroup-unselected)
2801 (memq article gnus-newsgroup-dormant))))
2803 ;; Some summary mode macros.
2805 (defmacro gnus-summary-article-number ()
2806 "The article number of the article on the current line.
2807 If there isn't an article number here, then we return the current
2810 (gnus-summary-skip-intangible)
2811 (or (get-text-property (point) 'gnus-number)
2812 (gnus-summary-last-subject))))
2814 (defmacro gnus-summary-article-header (&optional number)
2815 "Return the header of article NUMBER."
2816 `(gnus-data-header (gnus-data-find
2817 ,(or number '(gnus-summary-article-number)))))
2819 (defmacro gnus-summary-thread-level (&optional number)
2820 "Return the level of thread that starts with article NUMBER."
2821 `(if (and (eq gnus-summary-make-false-root 'dummy)
2822 (get-text-property (point) 'gnus-intangible))
2824 (gnus-data-level (gnus-data-find
2825 ,(or number '(gnus-summary-article-number))))))
2827 (defmacro gnus-summary-article-mark (&optional number)
2828 "Return the mark of article NUMBER."
2829 `(gnus-data-mark (gnus-data-find
2830 ,(or number '(gnus-summary-article-number)))))
2832 (defmacro gnus-summary-article-pos (&optional number)
2833 "Return the position of the line of article NUMBER."
2834 `(gnus-data-pos (gnus-data-find
2835 ,(or number '(gnus-summary-article-number)))))
2837 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
2838 (defmacro gnus-summary-article-subject (&optional number)
2839 "Return current subject string or nil if nothing."
2842 `(gnus-data-header (assq ,number gnus-newsgroup-data))
2843 '(gnus-data-header (assq (gnus-summary-article-number)
2844 gnus-newsgroup-data)))))
2847 (mail-header-subject headers))))
2849 (defmacro gnus-summary-article-score (&optional number)
2850 "Return current article score."
2851 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
2852 gnus-newsgroup-scored))
2853 gnus-summary-default-score 0))
2855 (defun gnus-summary-article-children (&optional number)
2856 "Return a list of article numbers that are children of article NUMBER."
2857 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
2858 (level (gnus-data-level (car data)))
2860 (while (and (setq data (cdr data))
2861 (> (setq l (gnus-data-level (car data))) level))
2862 (and (= (1+ level) l)
2863 (push (gnus-data-number (car data))
2865 (nreverse children)))
2867 (defun gnus-summary-article-parent (&optional number)
2868 "Return the article number of the parent of article NUMBER."
2869 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
2870 (gnus-data-list t)))
2871 (level (gnus-data-level (car data))))
2873 () ; This is a root.
2874 ;; We search until we find an article with a level less than
2875 ;; this one. That function has to be the parent.
2876 (while (and (setq data (cdr data))
2877 (not (< (gnus-data-level (car data)) level))))
2878 (and data (gnus-data-number (car data))))))
2880 (defun gnus-unread-mark-p (mark)
2881 "Say whether MARK is the unread mark."
2882 (= mark gnus-unread-mark))
2884 (defun gnus-read-mark-p (mark)
2885 "Say whether MARK is one of the marks that mark as read.
2886 This is all marks except unread, ticked, dormant, and expirable."
2887 (not (or (= mark gnus-unread-mark)
2888 (= mark gnus-ticked-mark)
2889 (= mark gnus-spam-mark)
2890 (= mark gnus-dormant-mark)
2891 (= mark gnus-expirable-mark))))
2893 (defmacro gnus-article-mark (number)
2894 "Return the MARK of article NUMBER.
2895 This macro should only be used when computing the mark the \"first\"
2896 time; i.e., when generating the summary lines. After that,
2897 `gnus-summary-article-mark' should be used to examine the
2900 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
2901 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
2902 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
2903 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
2904 ((memq ,number gnus-newsgroup-spam-marked) gnus-spam-mark)
2905 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
2906 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
2907 (t (or (cdr (assq ,number gnus-newsgroup-reads))
2908 gnus-ancient-mark))))
2910 ;; Saving hidden threads.
2912 (defmacro gnus-save-hidden-threads (&rest forms)
2913 "Save hidden threads, eval FORMS, and restore the hidden threads."
2914 (let ((config (make-symbol "config")))
2915 `(let ((,config (gnus-hidden-threads-configuration)))
2919 (gnus-restore-hidden-threads-configuration ,config)))))
2920 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
2921 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
2923 (defun gnus-data-compute-positions ()
2924 "Compute the positions of all articles."
2925 (setq gnus-newsgroup-data-reverse nil)
2926 (let ((data gnus-newsgroup-data))
2928 (gnus-save-hidden-threads
2929 (gnus-summary-show-all-threads)
2930 (goto-char (point-min))
2932 (while (get-text-property (point) 'gnus-intangible)
2934 (gnus-data-set-pos (car data) (+ (point) 3))
2935 (setq data (cdr data))
2936 (forward-line 1))))))
2938 (defun gnus-hidden-threads-configuration ()
2939 "Return the current hidden threads configuration."
2942 (goto-char (point-min))
2943 (while (search-forward "\r" nil t)
2944 (push (1- (point)) config))
2947 (defun gnus-restore-hidden-threads-configuration (config)
2948 "Restore hidden threads configuration from CONFIG."
2950 (let (point buffer-read-only)
2951 (while (setq point (pop config))
2952 (when (and (< point (point-max))
2954 (eq (char-after) ?\n))
2955 (subst-char-in-region point (1+ point) ?\n ?\r))))))
2957 ;; Various summary mode internalish functions.
2959 (defun gnus-mouse-pick-article (e)
2962 (gnus-summary-next-page nil t))
2964 (defun gnus-summary-set-display-table ()
2965 "Change the display table.
2966 Odd characters have a tendency to mess
2967 up nicely formatted displays - we make all possible glyphs
2968 display only a single character."
2970 ;; We start from the standard display table, if any.
2971 (let ((table (or (copy-sequence standard-display-table)
2972 (make-display-table)))
2974 ;; Nix out all the control chars...
2975 (while (>= (setq i (1- i)) 0)
2976 (aset table i [??]))
2977 ;; ... but not newline and cr, of course. (cr is necessary for the
2978 ;; selective display).
2979 (aset table ?\n nil)
2980 (aset table ?\r nil)
2981 ;; We keep TAB as well.
2982 (aset table ?\t nil)
2983 ;; We nix out any glyphs over 126 that are not set already.
2985 (while (>= (setq i (1- i)) 127)
2986 ;; Only modify if the entry is nil.
2987 (unless (aref table i)
2988 (aset table i [??]))))
2989 (setq buffer-display-table table)))
2991 (defun gnus-summary-set-article-display-arrow (pos)
2992 "Update the overlay arrow to point to line at position POS."
2993 (when (and gnus-summary-display-arrow
2994 (boundp 'overlay-arrow-position)
2995 (boundp 'overlay-arrow-string))
2999 (unless overlay-arrow-position
3000 (setq overlay-arrow-position (make-marker)))
3001 (setq overlay-arrow-string "=>"
3002 overlay-arrow-position (set-marker overlay-arrow-position
3004 (current-buffer))))))
3006 (defun gnus-summary-buffer-name (group)
3007 "Return the summary buffer name of GROUP."
3008 (concat "*Summary " (gnus-group-decoded-name group) "*"))
3010 (defun gnus-summary-setup-buffer (group)
3011 "Initialize summary buffer."
3012 (let ((buffer (gnus-summary-buffer-name group))
3013 (dead-name (concat "*Dead Summary "
3014 (gnus-group-decoded-name group) "*")))
3015 ;; If a dead summary buffer exists, we kill it.
3016 (when (gnus-buffer-live-p dead-name)
3017 (gnus-kill-buffer dead-name))
3018 (if (get-buffer buffer)
3021 (setq gnus-summary-buffer (current-buffer))
3022 (not gnus-newsgroup-prepared))
3023 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
3024 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
3025 (gnus-summary-mode group)
3027 (gnus-carpal-setup-buffer 'summary))
3028 (unless gnus-single-article-buffer
3029 (make-local-variable 'gnus-article-buffer)
3030 (make-local-variable 'gnus-article-current)
3031 (make-local-variable 'gnus-original-article-buffer))
3032 (setq gnus-newsgroup-name group)
3033 ;; Set any local variables in the group parameters.
3034 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3037 (defun gnus-set-global-variables ()
3038 "Set the global equivalents of the buffer-local variables.
3039 They are set to the latest values they had. These reflect the summary
3040 buffer that was in action when the last article was fetched."
3041 (when (eq major-mode 'gnus-summary-mode)
3042 (setq gnus-summary-buffer (current-buffer))
3043 (let ((name gnus-newsgroup-name)
3044 (marked gnus-newsgroup-marked)
3045 (spam gnus-newsgroup-spam-marked)
3046 (unread gnus-newsgroup-unreads)
3047 (headers gnus-current-headers)
3048 (data gnus-newsgroup-data)
3049 (summary gnus-summary-buffer)
3050 (article-buffer gnus-article-buffer)
3051 (original gnus-original-article-buffer)
3052 (gac gnus-article-current)
3053 (reffed gnus-reffed-article-number)
3054 (score-file gnus-current-score-file)
3055 (default-charset gnus-newsgroup-charset)
3057 (let ((locals gnus-newsgroup-variables))
3059 (if (consp (car locals))
3060 (push (eval (caar locals)) vlist)
3061 (push (eval (car locals)) vlist))
3062 (setq locals (cdr locals)))
3063 (setq vlist (nreverse vlist)))
3065 (set-buffer gnus-group-buffer)
3066 (setq gnus-newsgroup-name name
3067 gnus-newsgroup-marked marked
3068 gnus-newsgroup-spam-marked spam
3069 gnus-newsgroup-unreads unread
3070 gnus-current-headers headers
3071 gnus-newsgroup-data data
3072 gnus-article-current gac
3073 gnus-summary-buffer summary
3074 gnus-article-buffer article-buffer
3075 gnus-original-article-buffer original
3076 gnus-reffed-article-number reffed
3077 gnus-current-score-file score-file
3078 gnus-newsgroup-charset default-charset)
3079 (let ((locals gnus-newsgroup-variables))
3081 (if (consp (car locals))
3082 (set (caar locals) (pop vlist))
3083 (set (car locals) (pop vlist)))
3084 (setq locals (cdr locals))))
3085 ;; The article buffer also has local variables.
3086 (when (gnus-buffer-live-p gnus-article-buffer)
3087 (set-buffer gnus-article-buffer)
3088 (setq gnus-summary-buffer summary))))))
3090 (defun gnus-summary-article-unread-p (article)
3091 "Say whether ARTICLE is unread or not."
3092 (memq article gnus-newsgroup-unreads))
3094 (defun gnus-summary-first-article-p (&optional article)
3095 "Return whether ARTICLE is the first article in the buffer."
3096 (if (not (setq article (or article (gnus-summary-article-number))))
3098 (eq article (caar gnus-newsgroup-data))))
3100 (defun gnus-summary-last-article-p (&optional article)
3101 "Return whether ARTICLE is the last article in the buffer."
3102 (if (not (setq article (or article (gnus-summary-article-number))))
3103 ;; All non-existent numbers are the last article. :-)
3105 (not (cdr (gnus-data-find-list article)))))
3107 (defun gnus-make-thread-indent-array ()
3109 (unless (and gnus-thread-indent-array
3110 (= gnus-thread-indent-level gnus-thread-indent-array-level))
3111 (setq gnus-thread-indent-array (make-vector 201 "")
3112 gnus-thread-indent-array-level gnus-thread-indent-level)
3114 (aset gnus-thread-indent-array n
3115 (make-string (* n gnus-thread-indent-level) ? ))
3118 (defun gnus-update-summary-mark-positions ()
3119 "Compute where the summary marks are to go."
3121 (when (gnus-buffer-exists-p gnus-summary-buffer)
3122 (set-buffer gnus-summary-buffer))
3123 (let ((gnus-replied-mark 129)
3124 (gnus-score-below-mark 130)
3125 (gnus-score-over-mark 130)
3126 (gnus-undownloaded-mark 131)
3127 (spec gnus-summary-line-format-spec)
3130 (gnus-set-work-buffer)
3131 (let ((gnus-summary-line-format-spec spec)
3132 (gnus-newsgroup-downloadable '(0)))
3133 (gnus-summary-insert-line
3134 [0 "" "" "05 Apr 2001 23:33:09 +0400" "" "" 0 0 "" nil]
3135 0 nil t 128 t nil "" nil 1)
3136 (goto-char (point-min))
3137 (setq pos (list (cons 'unread (and (search-forward "\200" nil t)
3138 (- (point) (point-min) 1)))))
3139 (goto-char (point-min))
3140 (push (cons 'replied (and (search-forward "\201" nil t)
3141 (- (point) (point-min) 1)))
3143 (goto-char (point-min))
3144 (push (cons 'score (and (search-forward "\202" nil t)
3145 (- (point) (point-min) 1)))
3147 (goto-char (point-min))
3148 (push (cons 'download
3149 (and (search-forward "\203" nil t)
3150 (- (point) (point-min) 1)))
3152 (setq gnus-summary-mark-positions pos))))
3154 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
3155 "Insert a dummy root in the summary buffer."
3157 (gnus-add-text-properties
3158 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
3159 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
3161 (defun gnus-summary-extract-address-component (from)
3162 (or (car (funcall gnus-extract-address-components from))
3165 (defun gnus-summary-from-or-to-or-newsgroups (header gnus-tmp-from)
3166 (let ((mail-parse-charset gnus-newsgroup-charset)
3167 ; Is it really necessary to do this next part for each summary line?
3168 ; Luckily, doesn't seem to slow things down much.
3169 (mail-parse-ignored-charsets
3170 (save-excursion (set-buffer gnus-summary-buffer)
3171 gnus-newsgroup-ignored-charsets)))
3173 (and gnus-ignored-from-addresses
3174 (string-match gnus-ignored-from-addresses gnus-tmp-from)
3175 (let ((extra-headers (mail-header-extra header))
3179 ((setq to (cdr (assq 'To extra-headers)))
3182 (gnus-summary-extract-address-component
3183 (funcall gnus-decode-encoded-word-function to)))))
3184 ((setq newsgroups (cdr (assq 'Newsgroups extra-headers)))
3185 (concat "=> " newsgroups)))))
3186 (inline (gnus-summary-extract-address-component gnus-tmp-from)))))
3188 (defun gnus-summary-insert-line (gnus-tmp-header
3189 gnus-tmp-level gnus-tmp-current
3190 undownloaded gnus-tmp-unread gnus-tmp-replied
3191 gnus-tmp-expirable gnus-tmp-subject-or-nil
3192 &optional gnus-tmp-dummy gnus-tmp-score
3194 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
3195 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
3196 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
3197 (gnus-tmp-score-char
3198 (if (or (null gnus-summary-default-score)
3199 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3200 gnus-summary-zcore-fuzz))
3202 (if (< gnus-tmp-score gnus-summary-default-score)
3203 gnus-score-below-mark gnus-score-over-mark)))
3204 (gnus-tmp-number (mail-header-number gnus-tmp-header))
3206 (cond (gnus-tmp-process gnus-process-mark)
3207 ((memq gnus-tmp-current gnus-newsgroup-cached)
3209 (gnus-tmp-replied gnus-replied-mark)
3210 ((memq gnus-tmp-current gnus-newsgroup-forwarded)
3211 gnus-forwarded-mark)
3212 ((memq gnus-tmp-current gnus-newsgroup-saved)
3214 ((memq gnus-tmp-number gnus-newsgroup-recent)
3216 ((memq gnus-tmp-number gnus-newsgroup-unseen)
3219 (gnus-tmp-downloaded
3221 gnus-undownloaded-mark)
3222 (gnus-newsgroup-agentized
3223 gnus-downloaded-mark)
3226 (gnus-tmp-from (mail-header-from gnus-tmp-header))
3229 ((string-match "<[^>]+> *$" gnus-tmp-from)
3230 (let ((beg (match-beginning 0)))
3231 (or (and (string-match "^\".+\"" gnus-tmp-from)
3232 (substring gnus-tmp-from 1 (1- (match-end 0))))
3233 (substring gnus-tmp-from 0 beg))))
3234 ((string-match "(.+)" gnus-tmp-from)
3235 (substring gnus-tmp-from
3236 (1+ (match-beginning 0)) (1- (match-end 0))))
3238 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
3239 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
3240 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
3241 (buffer-read-only nil))
3242 (when (string= gnus-tmp-name "")
3243 (setq gnus-tmp-name gnus-tmp-from))
3244 (unless (numberp gnus-tmp-lines)
3245 (setq gnus-tmp-lines -1))
3246 (if (= gnus-tmp-lines -1)
3247 (setq gnus-tmp-lines "?")
3248 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
3249 (gnus-put-text-property
3251 (progn (eval gnus-summary-line-format-spec) (point))
3252 'gnus-number gnus-tmp-number)
3253 (when (gnus-visual-p 'summary-highlight 'highlight)
3255 (gnus-run-hooks 'gnus-summary-update-hook)
3258 (defun gnus-summary-update-line (&optional dont-update)
3259 "Update summary line after change."
3260 (when (and gnus-summary-default-score
3261 (not gnus-summary-inhibit-highlight))
3262 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
3263 (article (gnus-summary-article-number))
3264 (score (gnus-summary-article-score article)))
3266 (if (and gnus-summary-mark-below
3267 (< (gnus-summary-article-score)
3268 gnus-summary-mark-below))
3269 ;; This article has a low score, so we mark it as read.
3270 (when (memq article gnus-newsgroup-unreads)
3271 (gnus-summary-mark-article-as-read gnus-low-score-mark))
3272 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
3273 ;; This article was previously marked as read on account
3274 ;; of a low score, but now it has risen, so we mark it as
3276 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
3277 (gnus-summary-update-mark
3278 (if (or (null gnus-summary-default-score)
3279 (<= (abs (- score gnus-summary-default-score))
3280 gnus-summary-zcore-fuzz))
3282 (if (< score gnus-summary-default-score)
3283 gnus-score-below-mark gnus-score-over-mark))
3285 ;; Do visual highlighting.
3286 (when (gnus-visual-p 'summary-highlight 'highlight)
3287 (gnus-run-hooks 'gnus-summary-update-hook)))))
3289 (defvar gnus-tmp-new-adopts nil)
3291 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
3292 "Return the number of articles in THREAD.
3293 This may be 0 in some cases -- if none of the articles in
3294 the thread are to be displayed."
3296 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
3298 ((not (listp thread))
3300 ((and (consp thread) (cdr thread))
3303 'gnus-summary-number-of-articles-in-thread (cdr thread))))
3306 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
3309 (when (and level (zerop level) gnus-tmp-new-adopts)
3312 'gnus-summary-number-of-articles-in-thread
3313 gnus-tmp-new-adopts))))
3315 (if (> number 1) gnus-not-empty-thread-mark
3316 gnus-empty-thread-mark)
3319 (defsubst gnus-summary-line-message-size (head)
3320 "Return pretty-printed version of message size.
3321 This function is intended to be used in
3322 `gnus-summary-line-format-alist', which see."
3323 (let ((c (or (mail-header-chars head) -1)))
3324 (cond ((< c 0) "n/a") ; chars not available
3325 ((< c (* 1000 10)) (format "%1.1fk" (/ c 1024.0)))
3326 ((< c (* 1000 100)) (format "%dk" (/ c 1024.0)))
3327 ((< c (* 1000 10000)) (format "%1.1fM" (/ c (* 1024.0 1024))))
3328 (t (format "%dM" (/ c (* 1024.0 1024)))))))
3331 (defun gnus-summary-set-local-parameters (group)
3332 "Go through the local params of GROUP and set all variable specs in that list."
3333 (let ((params (gnus-group-find-parameter group))
3334 (vars '(quit-config)) ; Ignore quit-config.
3337 (setq elem (car params)
3338 params (cdr params))
3339 (and (consp elem) ; Has to be a cons.
3340 (consp (cdr elem)) ; The cdr has to be a list.
3341 (symbolp (car elem)) ; Has to be a symbol in there.
3342 (not (memq (car elem) vars))
3343 (ignore-errors ; So we set it.
3344 (push (car elem) vars)
3345 (make-local-variable (car elem))
3346 (set (car elem) (eval (nth 1 elem))))))))
3348 (defun gnus-summary-read-group (group &optional show-all no-article
3349 kill-buffer no-display backward
3351 "Start reading news in newsgroup GROUP.
3352 If SHOW-ALL is non-nil, already read articles are also listed.
3353 If NO-ARTICLE is non-nil, no article is selected initially.
3354 If NO-DISPLAY, don't generate a summary buffer."
3358 (let ((gnus-auto-select-next nil))
3359 (or (gnus-summary-read-group-1
3360 group show-all no-article
3361 kill-buffer no-display
3364 select-articles nil)))))
3365 (eq gnus-auto-select-next 'quietly))
3366 (set-buffer gnus-group-buffer)
3367 ;; The entry function called above goes to the next
3368 ;; group automatically, so we go two groups back
3369 ;; if we are searching for the previous group.
3371 (gnus-group-prev-unread-group 2))
3372 (if (not (equal group (gnus-group-group-name)))
3373 (setq group (gnus-group-group-name))
3377 (defun gnus-summary-read-group-1 (group show-all no-article
3378 kill-buffer no-display
3379 &optional select-articles)
3380 ;; Killed foreign groups can't be entered.
3381 ;; (when (and (not (gnus-group-native-p group))
3382 ;; (not (gnus-gethash group gnus-newsrc-hashtb)))
3383 ;; (error "Dead non-native groups can't be entered"))
3384 (gnus-message 5 "Retrieving newsgroup: %s..."
3385 (gnus-group-decoded-name group))
3386 (let* ((new-group (gnus-summary-setup-buffer group))
3387 (quit-config (gnus-group-quit-config group))
3388 (did-select (and new-group (gnus-select-newsgroup
3389 group show-all select-articles))))
3391 ;; This summary buffer exists already, so we just select it.
3393 (gnus-set-global-variables)
3395 (gnus-kill-or-deaden-summary kill-buffer))
3396 (gnus-configure-windows 'summary 'force)
3397 (gnus-set-mode-line 'summary)
3398 (gnus-summary-position-point)
3401 ;; We couldn't select this group.
3403 (when (and (eq major-mode 'gnus-summary-mode)
3404 (not (equal (current-buffer) kill-buffer)))
3405 (kill-buffer (current-buffer))
3406 (if (not quit-config)
3408 ;; Update the info -- marks might need to be removed,
3410 (gnus-summary-update-info)
3411 (set-buffer gnus-group-buffer)
3412 (gnus-group-jump-to-group group)
3413 (gnus-group-next-unread-group 1))
3414 (gnus-handle-ephemeral-exit quit-config)))
3415 (let ((grpinfo (gnus-get-info group)))
3416 (if (null (gnus-info-read grpinfo))
3417 (gnus-message 3 "Group %s contains no messages"
3418 (gnus-group-decoded-name group))
3419 (gnus-message 3 "Can't select group")))
3421 ;; The user did a `C-g' while prompting for number of articles,
3422 ;; so we exit this group.
3423 ((eq did-select 'quit)
3424 (and (eq major-mode 'gnus-summary-mode)
3425 (not (equal (current-buffer) kill-buffer))
3426 (kill-buffer (current-buffer)))
3428 (gnus-kill-or-deaden-summary kill-buffer))
3429 (if (not quit-config)
3431 (set-buffer gnus-group-buffer)
3432 (gnus-group-jump-to-group group)
3433 (gnus-group-next-unread-group 1)
3434 (gnus-configure-windows 'group 'force))
3435 (gnus-handle-ephemeral-exit quit-config))
3436 ;; Finally signal the quit.
3438 ;; The group was successfully selected.
3440 (gnus-set-global-variables)
3441 ;; Save the active value in effect when the group was entered.
3442 (setq gnus-newsgroup-active
3444 (gnus-active gnus-newsgroup-name)))
3445 ;; You can change the summary buffer in some way with this hook.
3446 (gnus-run-hooks 'gnus-select-group-hook)
3447 (gnus-update-format-specifications
3448 nil 'summary 'summary-mode 'summary-dummy)
3449 (gnus-update-summary-mark-positions)
3450 ;; Do score processing.
3451 (when gnus-use-scoring
3452 (gnus-possibly-score-headers))
3453 ;; Check whether to fill in the gaps in the threads.
3454 (when gnus-build-sparse-threads
3455 (gnus-build-sparse-threads))
3456 ;; Find the initial limit.
3457 (if gnus-show-threads
3459 (let ((gnus-newsgroup-dormant nil))
3460 (gnus-summary-initial-limit show-all))
3461 (gnus-summary-initial-limit show-all))
3462 ;; When unthreaded, all articles are always shown.
3463 (setq gnus-newsgroup-limit
3465 (lambda (header) (mail-header-number header))
3466 gnus-newsgroup-headers)))
3467 ;; Generate the summary buffer.
3469 (gnus-summary-prepare))
3470 (when gnus-use-trees
3471 (gnus-tree-open group)
3472 (setq gnus-summary-highlight-line-function
3473 'gnus-tree-highlight-article))
3474 ;; If the summary buffer is empty, but there are some low-scored
3475 ;; articles or some excluded dormants, we include these in the
3477 (when (and (zerop (buffer-size))
3479 (cond (gnus-newsgroup-dormant
3480 (gnus-summary-limit-include-dormant))
3481 ((and gnus-newsgroup-scored show-all)
3482 (gnus-summary-limit-include-expunged t))))
3483 ;; Function `gnus-apply-kill-file' must be called in this hook.
3484 (gnus-run-hooks 'gnus-apply-kill-hook)
3485 (if (and (zerop (buffer-size))
3488 ;; This newsgroup is empty.
3489 (gnus-summary-catchup-and-exit nil t)
3490 (gnus-message 6 "No unread news")
3492 (gnus-kill-or-deaden-summary kill-buffer))
3493 ;; Return nil from this function.
3495 ;; Hide conversation thread subtrees. We cannot do this in
3496 ;; gnus-summary-prepare-hook since kill processing may not
3497 ;; work with hidden articles.
3498 (gnus-summary-maybe-hide-threads)
3500 (gnus-kill-or-deaden-summary kill-buffer))
3501 (gnus-summary-auto-select-subject)
3502 ;; Show first unread article if requested.
3503 (if (and (not no-article)
3505 gnus-newsgroup-unreads
3506 gnus-auto-select-first)
3508 (gnus-configure-windows 'summary)
3509 (let ((art (gnus-summary-article-number)))
3510 (unless (and (not gnus-plugged)
3511 (or (memq art gnus-newsgroup-undownloaded)
3512 (memq art gnus-newsgroup-downloadable)))
3513 (gnus-summary-goto-article art))))
3514 ;; Don't select any articles.
3515 (gnus-summary-position-point)
3516 (gnus-configure-windows 'summary 'force)
3517 (gnus-set-mode-line 'summary))
3518 (when (get-buffer-window gnus-group-buffer t)
3519 ;; Gotta use windows, because recenter does weird stuff if
3520 ;; the current buffer ain't the displayed window.
3521 (let ((owin (selected-window)))
3522 (select-window (get-buffer-window gnus-group-buffer t))
3523 (when (gnus-group-goto-group group)
3525 (select-window owin)))
3526 ;; Mark this buffer as "prepared".
3527 (setq gnus-newsgroup-prepared t)
3528 (gnus-run-hooks 'gnus-summary-prepared-hook)
3529 (unless (gnus-ephemeral-group-p group)
3530 (gnus-group-update-group group))
3533 (defun gnus-summary-auto-select-subject ()
3534 "Select the subject line on initial group entry."
3535 (goto-char (point-min))
3537 ((eq gnus-auto-select-subject 'best)
3538 (gnus-summary-best-unread-subject))
3539 ((eq gnus-auto-select-subject 'unread)
3540 (gnus-summary-first-unread-subject))
3541 ((eq gnus-auto-select-subject 'unseen)
3542 (gnus-summary-first-unseen-subject))
3543 ((eq gnus-auto-select-subject 'unseen-or-unread)
3544 (gnus-summary-first-unseen-or-unread-subject))
3545 ((eq gnus-auto-select-subject 'first)
3548 ((gnus-functionp gnus-auto-select-subject)
3549 (funcall gnus-auto-select-subject))))
3551 (defun gnus-summary-prepare ()
3552 "Generate the summary buffer."
3554 (let ((buffer-read-only nil))
3556 (setq gnus-newsgroup-data nil
3557 gnus-newsgroup-data-reverse nil)
3558 (gnus-run-hooks 'gnus-summary-generate-hook)
3559 ;; Generate the buffer, either with threads or without.
3560 (when gnus-newsgroup-headers
3561 (gnus-summary-prepare-threads
3562 (if gnus-show-threads
3563 (gnus-sort-gathered-threads
3564 (funcall gnus-summary-thread-gathering-function
3566 (gnus-cut-threads (gnus-make-threads)))))
3567 ;; Unthreaded display.
3568 (gnus-sort-articles gnus-newsgroup-headers))))
3569 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
3570 ;; Call hooks for modifying summary buffer.
3571 (goto-char (point-min))
3572 (gnus-run-hooks 'gnus-summary-prepare-hook)))
3574 (defsubst gnus-general-simplify-subject (subject)
3575 "Simply subject by the same rules as gnus-gather-threads-by-subject."
3578 ;; Truncate the subject.
3579 (gnus-simplify-subject-functions
3580 (gnus-map-function gnus-simplify-subject-functions subject))
3581 ((numberp gnus-summary-gather-subject-limit)
3582 (setq subject (gnus-simplify-subject-re subject))
3583 (if (> (length subject) gnus-summary-gather-subject-limit)
3584 (substring subject 0 gnus-summary-gather-subject-limit)
3586 ;; Fuzzily simplify it.
3587 ((eq 'fuzzy gnus-summary-gather-subject-limit)
3588 (gnus-simplify-subject-fuzzy subject))
3589 ;; Just remove the leading "Re:".
3591 (gnus-simplify-subject-re subject))))
3593 (if (and gnus-summary-gather-exclude-subject
3594 (string-match gnus-summary-gather-exclude-subject subject))
3595 nil ; This article shouldn't be gathered
3598 (defun gnus-summary-simplify-subject-query ()
3599 "Query where the respool algorithm would put this article."
3601 (gnus-summary-select-article)
3602 (message (gnus-general-simplify-subject (gnus-summary-article-subject))))
3604 (defun gnus-gather-threads-by-subject (threads)
3605 "Gather threads by looking at Subject headers."
3606 (if (not gnus-summary-make-false-root)
3608 (let ((hashtb (gnus-make-hashtable 1024))
3611 subject hthread whole-subject)
3613 (setq subject (gnus-general-simplify-subject
3614 (setq whole-subject (mail-header-subject
3617 (if (setq hthread (gnus-gethash subject hashtb))
3619 ;; We enter a dummy root into the thread, if we
3620 ;; haven't done that already.
3621 (unless (stringp (caar hthread))
3622 (setcar hthread (list whole-subject (car hthread))))
3623 ;; We add this new gathered thread to this gathered
3625 (setcdr (car hthread)
3626 (nconc (cdar hthread) (list (car threads))))
3627 ;; Remove it from the list of threads.
3628 (setcdr prev (cdr threads))
3629 (setq threads prev))
3630 ;; Enter this thread into the hash table.
3631 (gnus-sethash subject
3632 (if gnus-summary-make-false-root-always
3634 ;; If you want a dummy root above all
3636 (setcar threads (list whole-subject
3642 (setq threads (cdr threads)))
3645 (defun gnus-gather-threads-by-references (threads)
3646 "Gather threads by looking at References headers."
3647 (let ((idhashtb (gnus-make-hashtable 1024))
3648 (thhashtb (gnus-make-hashtable 1024))
3651 ids references id gthread gid entered ref)
3653 (when (setq references (mail-header-references (caar threads)))
3654 (setq id (mail-header-id (caar threads))
3655 ids (inline (gnus-split-references references))
3657 (while (setq ref (pop ids))
3658 (setq ids (delete ref ids))
3659 (if (not (setq gid (gnus-gethash ref idhashtb)))
3661 (gnus-sethash ref id idhashtb)
3662 (gnus-sethash id threads thhashtb))
3663 (setq gthread (gnus-gethash gid thhashtb))
3665 ;; We enter a dummy root into the thread, if we
3666 ;; haven't done that already.
3667 (unless (stringp (caar gthread))
3668 (setcar gthread (list (mail-header-subject (caar gthread))
3670 ;; We add this new gathered thread to this gathered
3672 (setcdr (car gthread)
3673 (nconc (cdar gthread) (list (car threads)))))
3674 ;; Add it into the thread hash table.
3675 (gnus-sethash id gthread thhashtb)
3677 ;; Remove it from the list of threads.
3678 (setcdr prev (cdr threads))
3679 (setq threads prev))))
3681 (setq threads (cdr threads)))
3684 (defun gnus-sort-gathered-threads (threads)
3685 "Sort subtreads inside each gathered thread by `gnus-sort-gathered-threads-function'."
3686 (let ((result threads))
3688 (when (stringp (caar threads))
3689 (setcdr (car threads)
3690 (sort (cdar threads) gnus-sort-gathered-threads-function)))
3691 (setq threads (cdr threads)))
3694 (defun gnus-thread-loop-p (root thread)
3695 "Say whether ROOT is in THREAD."
3696 (let ((stack (list thread))
3699 (while (setq thread (pop stack))
3700 (setq th (cdr thread))
3702 (not (eq (caar th) root)))
3705 ;; We have found a loop.
3707 (setcdr thread (delq (car th) (cdr thread)))
3708 (if (boundp (setq ref-dep (intern "none"
3709 gnus-newsgroup-dependencies)))
3710 (setcdr (symbol-value ref-dep)
3711 (nconc (cdr (symbol-value ref-dep))
3713 (set ref-dep (list nil (car th))))
3716 ;; Push all the subthreads onto the stack.
3717 (push (cdr thread) stack)))
3720 (defun gnus-make-threads ()
3721 "Go through the dependency hashtb and find the roots. Return all threads."
3723 (while (catch 'infloop
3726 ;; Deal with self-referencing References loops.
3727 (when (and (car (symbol-value refs))
3734 (car (symbol-value refs)) thread))
3735 (cdr (symbol-value refs)))))))
3738 (unless (car (symbol-value refs))
3739 ;; These threads do not refer back to any other
3740 ;; articles, so they're roots.
3741 (setq threads (append (cdr (symbol-value refs)) threads))))
3742 gnus-newsgroup-dependencies)))
3745 ;; Build the thread tree.
3746 (defsubst gnus-dependencies-add-header (header dependencies force-new)
3747 "Enter HEADER into the DEPENDENCIES table if it is not already there.
3749 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
3750 if it was already present.
3752 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
3753 will not be entered in the DEPENDENCIES table. Otherwise duplicate
3754 Message-IDs will be renamed to a unique Message-ID before being
3757 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
3758 (let* ((id (mail-header-id header))
3759 (id-dep (and id (intern id dependencies)))
3760 parent-id ref ref-dep ref-header replaced)
3761 ;; Enter this `header' in the `dependencies' table.
3765 ;; The first two cases do the normal part: enter a new `header'
3766 ;; in the `dependencies' table.
3767 ((not (boundp id-dep))
3768 (set id-dep (list header)))
3769 ((null (car (symbol-value id-dep)))
3770 (setcar (symbol-value id-dep) header))
3772 ;; From here the `header' was already present in the
3773 ;; `dependencies' table.
3775 ;; Overrides an existing entry;
3776 ;; just set the header part of the entry.
3777 (setcar (symbol-value id-dep) header)
3780 ;; Renames the existing `header' to a unique Message-ID.
3781 ((not gnus-summary-ignore-duplicates)
3782 ;; An article with this Message-ID has already been seen.
3783 ;; We rename the Message-ID.
3784 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
3786 (mail-header-set-id header id))
3788 ;; The last case ignores an existing entry, except it adds any
3789 ;; additional Xrefs (in case the two articles came from different
3791 ;; Also sets `header' to `nil' meaning that the `dependencies'
3792 ;; table was *not* modified.
3794 (mail-header-set-xref
3795 (car (symbol-value id-dep))
3796 (concat (or (mail-header-xref (car (symbol-value id-dep)))
3798 (or (mail-header-xref header) "")))
3801 (when (and header (not replaced))
3802 ;; First check that we are not creating a References loop.
3803 (setq parent-id (gnus-parent-id (mail-header-references header)))
3804 (setq ref parent-id)
3806 (setq ref-dep (intern-soft ref dependencies))
3808 (setq ref-header (car (symbol-value ref-dep))))
3809 (if (string= id ref)
3810 ;; Yuk! This is a reference loop. Make the article be a
3813 (mail-header-set-references (car (symbol-value id-dep)) "none")
3815 (setq parent-id nil))
3816 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
3817 (setq ref-dep (intern (or parent-id "none") dependencies))
3818 (if (boundp ref-dep)
3819 (setcdr (symbol-value ref-dep)
3820 (nconc (cdr (symbol-value ref-dep))
3821 (list (symbol-value id-dep))))
3822 (set ref-dep (list nil (symbol-value id-dep)))))
3825 (defun gnus-extract-message-id-from-in-reply-to (string)
3826 (if (string-match "<[^>]+>" string)
3827 (substring string (match-beginning 0) (match-end 0))
3830 (defun gnus-build-sparse-threads ()
3831 (let ((headers gnus-newsgroup-headers)
3832 (mail-parse-charset gnus-newsgroup-charset)
3833 (gnus-summary-ignore-duplicates t)
3834 header references generation relations
3835 subject child end new-child date)
3836 ;; First we create an alist of generations/relations, where
3837 ;; generations is how much we trust the relation, and the relation
3839 (gnus-message 7 "Making sparse threads...")
3841 (nnheader-set-temp-buffer " *gnus sparse threads*")
3842 (while (setq header (pop headers))
3843 (when (and (setq references (mail-header-references header))
3844 (not (string= references "")))
3846 (setq child (mail-header-id header)
3847 subject (mail-header-subject header)
3848 date (mail-header-date header)
3850 (while (search-backward ">" nil t)
3851 (setq end (1+ (point)))
3852 (when (search-backward "<" nil t)
3853 (setq new-child (buffer-substring (point) end))
3854 (push (list (incf generation)
3855 child (setq child new-child)
3859 (push (list (1+ generation) child nil subject) relations))
3861 (kill-buffer (current-buffer)))
3862 ;; Sort over trustworthiness.
3865 (when (gnus-dependencies-add-header
3866 (make-full-mail-header
3867 gnus-reffed-article-number
3868 (nth 3 relation) "" (or (nth 4 relation) "")
3870 (or (nth 2 relation) "") 0 0 "")
3871 gnus-newsgroup-dependencies nil)
3872 (push gnus-reffed-article-number gnus-newsgroup-limit)
3873 (push gnus-reffed-article-number gnus-newsgroup-sparse)
3874 (push (cons gnus-reffed-article-number gnus-sparse-mark)
3875 gnus-newsgroup-reads)
3876 (decf gnus-reffed-article-number)))
3877 (sort relations 'car-less-than-car))
3878 (gnus-message 7 "Making sparse threads...done")))
3880 (defun gnus-build-old-threads ()
3881 ;; Look at all the articles that refer back to old articles, and
3882 ;; fetch the headers for the articles that aren't there. This will
3883 ;; build complete threads - if the roots haven't been expired by the
3885 (let ((mail-parse-charset gnus-newsgroup-charset)
3889 (when (not (car (symbol-value refs)))
3890 (setq heads (cdr (symbol-value refs)))
3892 (if (memq (mail-header-number (caar heads))
3893 gnus-newsgroup-dormant)
3894 (setq heads (cdr heads))
3895 (setq id (symbol-name refs))
3896 (while (and (setq id (gnus-build-get-header id))
3897 (not (car (gnus-id-to-thread id)))))
3898 (setq heads nil)))))
3899 gnus-newsgroup-dependencies)))
3901 ;; This function has to be called with point after the article number
3902 ;; on the beginning of the line.
3903 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
3904 (let ((eol (gnus-point-at-eol))
3905 (buffer (current-buffer))
3906 header references in-reply-to)
3908 ;; overview: [num subject from date id refs chars lines misc]
3911 (narrow-to-region (point) eol)
3916 (make-full-mail-header
3918 (condition-case () ; subject
3919 (funcall gnus-decode-encoded-word-function
3920 (setq x (nnheader-nov-field)))
3922 (condition-case () ; from
3923 (funcall gnus-decode-encoded-word-function
3924 (setq x (nnheader-nov-field)))
3926 (nnheader-nov-field) ; date
3927 (nnheader-nov-read-message-id) ; id
3928 (setq references (nnheader-nov-field)) ; refs
3929 (nnheader-nov-read-integer) ; chars
3930 (nnheader-nov-read-integer) ; lines
3932 (if (looking-at "Xref: ")
3933 (goto-char (match-end 0)))
3934 (nnheader-nov-field)) ; Xref
3935 (nnheader-nov-parse-extra)))) ; extra
3939 (when (and (string= references "")
3940 (setq in-reply-to (mail-header-extra header))
3941 (setq in-reply-to (cdr (assq 'In-Reply-To in-reply-to))))
3942 (mail-header-set-references
3943 header (gnus-extract-message-id-from-in-reply-to in-reply-to)))
3945 (when gnus-alter-header-function
3946 (funcall gnus-alter-header-function header))
3947 (gnus-dependencies-add-header header dependencies force-new)))
3949 (defun gnus-build-get-header (id)
3950 "Look through the buffer of NOV lines and find the header to ID.
3951 Enter this line into the dependencies hash table, and return
3952 the id of the parent article (if any)."
3953 (let ((deps gnus-newsgroup-dependencies)
3957 (set-buffer nntp-server-buffer)
3958 (let ((case-fold-search nil))
3959 (goto-char (point-min))
3960 (while (and (not found)
3961 (search-forward id nil t))
3963 (setq found (looking-at
3964 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
3965 (regexp-quote id))))
3966 (or found (beginning-of-line 2)))
3970 (setq header (gnus-nov-parse-line
3971 (read (current-buffer)) deps))
3972 (gnus-parent-id (mail-header-references header))))))
3974 (let ((number (mail-header-number header)))
3975 (push number gnus-newsgroup-limit)
3976 (push header gnus-newsgroup-headers)
3977 (if (memq number gnus-newsgroup-unselected)
3979 (setq gnus-newsgroup-unreads
3980 (gnus-add-to-sorted-list gnus-newsgroup-unreads
3982 (setq gnus-newsgroup-unselected
3983 (delq number gnus-newsgroup-unselected)))
3984 (push number gnus-newsgroup-ancient)))))))
3986 (defun gnus-build-all-threads ()
3987 "Read all the headers."
3988 (let ((gnus-summary-ignore-duplicates t)
3989 (mail-parse-charset gnus-newsgroup-charset)
3990 (dependencies gnus-newsgroup-dependencies)
3993 (set-buffer nntp-server-buffer)
3994 (let ((case-fold-search nil))
3995 (goto-char (point-min))
3998 (setq article (read (current-buffer))
3999 header (gnus-nov-parse-line article dependencies)))
4002 (set-buffer gnus-summary-buffer)
4003 (push header gnus-newsgroup-headers)
4004 (if (memq (setq article (mail-header-number header))
4005 gnus-newsgroup-unselected)
4007 (setq gnus-newsgroup-unreads
4008 (gnus-add-to-sorted-list
4009 gnus-newsgroup-unreads article))
4010 (setq gnus-newsgroup-unselected
4011 (delq article gnus-newsgroup-unselected)))
4012 (push article gnus-newsgroup-ancient)))
4013 (forward-line 1)))))))
4015 (defun gnus-summary-update-article-line (article header)
4016 "Update the line for ARTICLE using HEADERS."
4017 (let* ((id (mail-header-id header))
4018 (thread (gnus-id-to-thread id)))
4020 (error "Article in no thread"))
4021 ;; Update the thread.
4022 (setcar thread header)
4023 (gnus-summary-goto-subject article)
4024 (let* ((datal (gnus-data-find-list article))
4026 (length (when (cdr datal)
4027 (- (gnus-data-pos data)
4028 (gnus-data-pos (cadr datal)))))
4029 (buffer-read-only nil)
4030 (level (gnus-summary-thread-level)))
4032 (gnus-summary-insert-line
4034 (memq article gnus-newsgroup-undownloaded)
4035 (gnus-article-mark article)
4036 (memq article gnus-newsgroup-replied)
4037 (memq article gnus-newsgroup-expirable)
4038 ;; Only insert the Subject string when it's different
4039 ;; from the previous Subject string.
4044 (mail-header-subject
4047 (gnus-data-find-list
4049 (gnus-data-list t)))))
4050 ;; Error on the side of excessive subjects.
4052 (mail-header-subject header)))
4054 (mail-header-subject header))
4055 nil (cdr (assq article gnus-newsgroup-scored))
4056 (memq article gnus-newsgroup-processable))
4058 (gnus-data-update-list
4059 (cdr datal) (- length (- (gnus-data-pos data) (point))))))))
4061 (defun gnus-summary-update-article (article &optional iheader)
4062 "Update ARTICLE in the summary buffer."
4063 (set-buffer gnus-summary-buffer)
4064 (let* ((header (gnus-summary-article-header article))
4065 (id (mail-header-id header))
4066 (data (gnus-data-find article))
4067 (thread (gnus-id-to-thread id))
4068 (references (mail-header-references header))
4072 (when (and references
4073 (not (equal "" references)))
4076 (buffer-read-only nil)
4082 (delq thread parent)))
4083 (if (gnus-summary-insert-subject id header)
4084 ;; Set the (possibly) new article number in the data structure.
4085 (gnus-data-set-number data (gnus-id-to-article id))
4089 (defun gnus-rebuild-thread (id &optional line)
4090 "Rebuild the thread containing ID.
4091 If LINE, insert the rebuilt thread starting on line LINE."
4092 (let ((buffer-read-only nil)
4093 old-pos current thread data)
4094 (if (not gnus-show-threads)
4095 (setq thread (list (car (gnus-id-to-thread id))))
4096 ;; Get the thread this article is part of.
4097 (setq thread (gnus-remove-thread id)))
4098 (setq old-pos (gnus-point-at-bol))
4099 (setq current (save-excursion
4100 (and (re-search-backward "[\r\n]" nil t)
4101 (gnus-summary-article-number))))
4102 ;; If this is a gathered thread, we have to go some re-gathering.
4103 (when (stringp (car thread))
4104 (let ((subject (car thread))
4106 (setq thread (cdr thread))
4108 (unless (memq (setq thr (gnus-id-to-thread
4110 (mail-header-id (caar thread)))))
4113 (setq thread (cdr thread)))
4114 ;; We now have all (unique) roots.
4115 (if (= (length roots) 1)
4116 ;; All the loose roots are now one solid root.
4117 (setq thread (car roots))
4118 (setq thread (cons subject (gnus-sort-threads roots))))))
4120 ;; We then insert this thread into the summary buffer.
4122 (goto-char (point-min))
4123 (forward-line (1- line)))
4124 (let (gnus-newsgroup-data gnus-newsgroup-threads)
4125 (if gnus-show-threads
4126 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
4127 (gnus-summary-prepare-unthreaded thread))
4128 (setq data (nreverse gnus-newsgroup-data))
4129 (setq threads gnus-newsgroup-threads))
4130 ;; We splice the new data into the data structure.
4131 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
4132 ;;!!! then we want to insert at the beginning of the buffer.
4133 ;;!!! That happens to be true with Gnus now, but that may
4134 ;;!!! change in the future. Perhaps.
4135 (gnus-data-enter-list
4136 (if line nil current) data (- (point) old-pos))
4137 (setq gnus-newsgroup-threads
4138 (nconc threads gnus-newsgroup-threads))
4139 (gnus-data-compute-positions))))
4141 (defun gnus-number-to-header (number)
4142 "Return the header for article NUMBER."
4143 (let ((headers gnus-newsgroup-headers))
4145 (not (= number (mail-header-number (car headers)))))
4150 (defun gnus-parent-headers (in-headers &optional generation)
4151 "Return the headers of the GENERATIONeth parent of HEADERS."
4153 (setq generation 1))
4155 (headers in-headers)
4158 (not (zerop generation))
4159 (setq references (mail-header-references headers)))
4160 (setq headers (if (and references
4161 (setq parent (gnus-parent-id references)))
4162 (car (gnus-id-to-thread parent))
4165 (and (not (eq headers in-headers))
4168 (defun gnus-id-to-thread (id)
4169 "Return the (sub-)thread where ID appears."
4170 (gnus-gethash id gnus-newsgroup-dependencies))
4172 (defun gnus-id-to-article (id)
4173 "Return the article number of ID."
4174 (let ((thread (gnus-id-to-thread id)))
4177 (mail-header-number (car thread)))))
4179 (defun gnus-id-to-header (id)
4180 "Return the article headers of ID."
4181 (car (gnus-id-to-thread id)))
4183 (defun gnus-article-displayed-root-p (article)
4184 "Say whether ARTICLE is a root(ish) article."
4185 (let ((level (gnus-summary-thread-level article))
4186 (refs (mail-header-references (gnus-summary-article-header article)))
4192 ((null (gnus-parent-id refs)) t)
4194 (null (setq particle (gnus-id-to-article
4195 (gnus-parent-id refs))))
4196 (null (gnus-summary-thread-level particle)))))))
4198 (defun gnus-root-id (id)
4199 "Return the id of the root of the thread where ID appears."
4201 (while (and id (setq prev (car (gnus-id-to-thread id))))
4203 id (gnus-parent-id (mail-header-references prev))))
4206 (defun gnus-articles-in-thread (thread)
4207 "Return the list of articles in THREAD."
4208 (cons (mail-header-number (car thread))
4209 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
4211 (defun gnus-remove-thread (id &optional dont-remove)
4212 "Remove the thread that has ID in it."
4213 (let (headers thread last-id)
4214 ;; First go up in this thread until we find the root.
4215 (setq last-id (gnus-root-id id)
4216 headers (message-flatten-list (gnus-id-to-thread last-id)))
4217 ;; We have now found the real root of this thread. It might have
4218 ;; been gathered into some loose thread, so we have to search
4219 ;; through the threads to find the thread we wanted.
4220 (let ((threads gnus-newsgroup-threads)
4223 (setq sub (car threads))
4224 (if (stringp (car sub))
4225 ;; This is a gathered thread, so we look at the roots
4226 ;; below it to find whether this article is in this
4229 (setq sub (cdr sub))
4231 (when (member (caar sub) headers)
4232 (setq thread (car threads)
4235 (setq sub (cdr sub))))
4236 ;; It's an ordinary thread, so we check it.
4237 (when (eq (car sub) (car headers))
4240 (setq threads (cdr threads)))
4241 ;; If this article is in no thread, then it's a root.
4244 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
4245 (setq thread (gnus-id-to-thread last-id)))
4248 thread ; We return this thread.
4250 (if (stringp (car thread))
4252 ;; If we use dummy roots, then we have to remove the
4253 ;; dummy root as well.
4254 (when (eq gnus-summary-make-false-root 'dummy)
4255 ;; We go to the dummy root by going to
4256 ;; the first sub-"thread", and then one line up.
4257 (gnus-summary-goto-article
4258 (mail-header-number (caadr thread)))
4261 (gnus-data-compute-positions))
4262 (setq thread (cdr thread))
4264 (gnus-remove-thread-1 (car thread))
4265 (setq thread (cdr thread))))
4266 (gnus-remove-thread-1 thread))))))))
4268 (defun gnus-remove-thread-1 (thread)
4269 "Remove the thread THREAD recursively."
4270 (let ((number (mail-header-number (pop thread)))
4272 (setq thread (reverse thread))
4274 (gnus-remove-thread-1 (pop thread)))
4275 (when (setq d (gnus-data-find number))
4276 (goto-char (gnus-data-pos d))
4277 (gnus-summary-show-thread)
4280 (- (gnus-point-at-bol)
4282 (1+ (gnus-point-at-eol))
4283 (gnus-delete-line)))))))
4285 (defun gnus-sort-threads-1 (threads func)
4286 (sort (mapcar (lambda (thread)
4289 (gnus-sort-threads-1 (cdr thread) func))))
4292 (defun gnus-sort-threads (threads)
4294 (if (not gnus-thread-sort-functions)
4296 (gnus-message 8 "Sorting threads...")
4297 (let ((max-lisp-eval-depth 5000))
4298 (prog1 (gnus-sort-threads-1
4300 (gnus-make-sort-function gnus-thread-sort-functions))
4301 (gnus-message 8 "Sorting threads...done")))))
4303 (defun gnus-sort-articles (articles)
4305 (when gnus-article-sort-functions
4306 (gnus-message 7 "Sorting articles...")
4308 (setq gnus-newsgroup-headers
4309 (sort articles (gnus-make-sort-function
4310 gnus-article-sort-functions)))
4311 (gnus-message 7 "Sorting articles...done"))))
4313 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
4314 (defmacro gnus-thread-header (thread)
4315 "Return header of first article in THREAD.
4316 Note that THREAD must never, ever be anything else than a variable -
4317 using some other form will lead to serious barfage."
4318 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
4319 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
4320 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207"
4323 (defsubst gnus-article-sort-by-number (h1 h2)
4324 "Sort articles by article number."
4325 (< (mail-header-number h1)
4326 (mail-header-number h2)))
4328 (defun gnus-thread-sort-by-number (h1 h2)
4329 "Sort threads by root article number."
4330 (gnus-article-sort-by-number
4331 (gnus-thread-header h1) (gnus-thread-header h2)))
4333 (defsubst gnus-article-sort-by-random (h1 h2)
4334 "Sort articles by article number."
4337 (defun gnus-thread-sort-by-random (h1 h2)
4338 "Sort threads by root article number."
4339 (gnus-article-sort-by-random
4340 (gnus-thread-header h1) (gnus-thread-header h2)))
4342 (defsubst gnus-article-sort-by-lines (h1 h2)
4343 "Sort articles by article Lines header."
4344 (< (mail-header-lines h1)
4345 (mail-header-lines h2)))
4347 (defun gnus-thread-sort-by-lines (h1 h2)
4348 "Sort threads by root article Lines header."
4349 (gnus-article-sort-by-lines
4350 (gnus-thread-header h1) (gnus-thread-header h2)))
4352 (defsubst gnus-article-sort-by-chars (h1 h2)
4353 "Sort articles by octet length."
4354 (< (mail-header-chars h1)
4355 (mail-header-chars h2)))
4357 (defun gnus-thread-sort-by-chars (h1 h2)
4358 "Sort threads by root article octet length."
4359 (gnus-article-sort-by-chars
4360 (gnus-thread-header h1) (gnus-thread-header h2)))
4362 (defsubst gnus-article-sort-by-author (h1 h2)
4363 "Sort articles by root author."
4365 (let ((extract (funcall
4366 gnus-extract-address-components
4367 (mail-header-from h1))))
4368 (or (car extract) (cadr extract) ""))
4369 (let ((extract (funcall
4370 gnus-extract-address-components
4371 (mail-header-from h2))))
4372 (or (car extract) (cadr extract) ""))))
4374 (defun gnus-thread-sort-by-author (h1 h2)
4375 "Sort threads by root author."
4376 (gnus-article-sort-by-author
4377 (gnus-thread-header h1) (gnus-thread-header h2)))
4379 (defsubst gnus-article-sort-by-subject (h1 h2)
4380 "Sort articles by root subject."
4382 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
4383 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
4385 (defun gnus-thread-sort-by-subject (h1 h2)
4386 "Sort threads by root subject."
4387 (gnus-article-sort-by-subject
4388 (gnus-thread-header h1) (gnus-thread-header h2)))
4390 (defsubst gnus-article-sort-by-date (h1 h2)
4391 "Sort articles by root article date."
4393 (gnus-date-get-time (mail-header-date h1))
4394 (gnus-date-get-time (mail-header-date h2))))
4396 (defun gnus-thread-sort-by-date (h1 h2)
4397 "Sort threads by root article date."
4398 (gnus-article-sort-by-date
4399 (gnus-thread-header h1) (gnus-thread-header h2)))
4401 (defsubst gnus-article-sort-by-score (h1 h2)
4402 "Sort articles by root article score.
4403 Unscored articles will be counted as having a score of zero."
4404 (> (or (cdr (assq (mail-header-number h1)
4405 gnus-newsgroup-scored))
4406 gnus-summary-default-score 0)
4407 (or (cdr (assq (mail-header-number h2)
4408 gnus-newsgroup-scored))
4409 gnus-summary-default-score 0)))
4411 (defun gnus-thread-sort-by-score (h1 h2)
4412 "Sort threads by root article score."
4413 (gnus-article-sort-by-score
4414 (gnus-thread-header h1) (gnus-thread-header h2)))
4416 (defun gnus-thread-sort-by-total-score (h1 h2)
4417 "Sort threads by the sum of all scores in the thread.
4418 Unscored articles will be counted as having a score of zero."
4419 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
4421 (defun gnus-thread-total-score (thread)
4422 ;; This function find the total score of THREAD.
4427 (if (stringp (car thread))
4428 (apply gnus-thread-score-function 0
4429 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
4430 (gnus-thread-total-score-1 thread)))
4432 (gnus-thread-total-score-1 (list thread)))))
4434 (defun gnus-thread-sort-by-most-recent-number (h1 h2)
4435 "Sort threads such that the thread with the most recently arrived article comes first."
4436 (> (gnus-thread-highest-number h1) (gnus-thread-highest-number h2)))
4438 (defun gnus-thread-highest-number (thread)
4439 "Return the highest article number in THREAD."
4440 (apply 'max (mapcar (lambda (header)
4441 (mail-header-number header))
4442 (message-flatten-list thread))))
4444 (defun gnus-thread-sort-by-most-recent-date (h1 h2)
4445 "Sort threads such that the thread with the most recently dated article comes first."
4446 (> (gnus-thread-latest-date h1) (gnus-thread-latest-date h2)))
4448 (defun gnus-thread-latest-date (thread)
4449 "Return the highest article date in THREAD."
4450 (let ((previous-time 0))
4457 (mail-header-parse-date (mail-header-date header))
4458 (error previous-time)))))
4460 (message-flatten-list thread)
4462 (< (mail-header-number h1)
4463 (mail-header-number h2))))))))
4465 (defun gnus-thread-total-score-1 (root)
4466 ;; This function find the total score of the thread below ROOT.
4467 (setq root (car root))
4468 (apply gnus-thread-score-function
4470 (mapcar 'gnus-thread-total-score
4471 (cdr (gnus-id-to-thread (mail-header-id root))))
4472 (when (> (mail-header-number root) 0)
4473 (list (or (cdr (assq (mail-header-number root)
4474 gnus-newsgroup-scored))
4475 gnus-summary-default-score 0))))
4476 (list gnus-summary-default-score)
4479 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
4480 (defvar gnus-tmp-prev-subject nil)
4481 (defvar gnus-tmp-false-parent nil)
4482 (defvar gnus-tmp-root-expunged nil)
4483 (defvar gnus-tmp-dummy-line nil)
4485 (eval-when-compile (defvar gnus-tmp-header))
4486 (defun gnus-extra-header (type &optional header)
4487 "Return the extra header of TYPE."
4488 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
4491 (defvar gnus-tmp-thread-tree-header-string "")
4493 (defcustom gnus-sum-thread-tree-root "> "
4494 "With %B spec, used for the root of a thread.
4495 If nil, use subject instead."
4497 :group 'gnus-thread)
4498 (defcustom gnus-sum-thread-tree-single-indent ""
4499 "With %B spec, used for a thread with just one message.
4500 If nil, use subject instead."
4502 :group 'gnus-thread)
4503 (defcustom gnus-sum-thread-tree-vertical "| "
4504 "With %B spec, used for drawing a vertical line."
4506 :group 'gnus-thread)
4507 (defcustom gnus-sum-thread-tree-indent " "
4508 "With %B spec, used for indenting."
4510 :group 'gnus-thread)
4511 (defcustom gnus-sum-thread-tree-leaf-with-other "+-> "
4512 "With %B spec, used for a leaf with brothers."
4514 :group 'gnus-thread)
4515 (defcustom gnus-sum-thread-tree-single-leaf "\\-> "
4516 "With %B spec, used for a leaf without brothers."
4518 :group 'gnus-thread)
4520 (defun gnus-summary-prepare-threads (threads)
4521 "Prepare summary buffer from THREADS and indentation LEVEL.
4522 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
4523 or a straight list of headers."
4524 (gnus-message 7 "Generating summary...")
4526 (setq gnus-newsgroup-threads threads)
4529 (let ((gnus-tmp-level 0)
4530 (default-score (or gnus-summary-default-score 0))
4531 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
4532 (building-line-count gnus-summary-display-while-building)
4533 (building-count (integerp gnus-summary-display-while-building))
4534 thread number subject stack state gnus-tmp-gathered beg-match
4535 new-roots gnus-tmp-new-adopts thread-end simp-subject
4536 gnus-tmp-header gnus-tmp-unread gnus-tmp-downloaded
4537 gnus-tmp-replied gnus-tmp-subject-or-nil
4538 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
4539 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
4540 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket
4543 (setq gnus-tmp-prev-subject nil)
4545 (if (vectorp (car threads))
4546 ;; If this is a straight (sic) list of headers, then a
4547 ;; threaded summary display isn't required, so we just create
4548 ;; an unthreaded one.
4549 (gnus-summary-prepare-unthreaded threads)
4551 ;; Do the threaded display.
4553 (if gnus-summary-display-while-building
4554 (switch-to-buffer (buffer-name)))
4555 (while (or threads stack gnus-tmp-new-adopts new-roots)
4557 (if (and (= gnus-tmp-level 0)
4560 (not gnus-tmp-false-parent)
4561 (or gnus-tmp-new-adopts new-roots))
4562 (if gnus-tmp-new-adopts
4563 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
4564 thread (list (car gnus-tmp-new-adopts))
4565 gnus-tmp-header (caar thread)
4566 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
4568 (setq thread (list (car new-roots))
4569 gnus-tmp-header (caar thread)
4570 new-roots (cdr new-roots))))
4573 ;; If there are some threads, we do them before the
4574 ;; threads on the stack.
4575 (setq thread threads
4576 gnus-tmp-header (caar thread))
4577 ;; There were no current threads, so we pop something off
4579 (setq state (car stack)
4580 gnus-tmp-level (car state)
4581 tree-stack (cadr state)
4582 thread (caddr state)
4584 gnus-tmp-header (caar thread))))
4586 (setq gnus-tmp-false-parent nil)
4587 (setq gnus-tmp-root-expunged nil)
4588 (setq thread-end nil)
4590 (if (stringp gnus-tmp-header)
4591 ;; The header is a dummy root.
4593 ((eq gnus-summary-make-false-root 'adopt)
4594 ;; We let the first article adopt the rest.
4595 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
4597 (setq gnus-tmp-gathered
4599 (lambda (h) (mail-header-number (car h)))
4602 (setq thread (cons (list (caar thread)
4605 (setq gnus-tmp-level -1
4606 gnus-tmp-false-parent t))
4607 ((eq gnus-summary-make-false-root 'empty)
4608 ;; We print adopted articles with empty subject fields.
4609 (setq gnus-tmp-gathered
4611 (lambda (h) (mail-header-number (car h)))
4614 (setq gnus-tmp-level -1))
4615 ((eq gnus-summary-make-false-root 'dummy)
4616 ;; We remember that we probably want to output a dummy
4618 (setq gnus-tmp-dummy-line gnus-tmp-header)
4619 (setq gnus-tmp-prev-subject gnus-tmp-header))
4621 ;; We do not make a root for the gathered
4622 ;; sub-threads at all.
4623 (setq gnus-tmp-level -1)))
4625 (setq number (mail-header-number gnus-tmp-header)
4626 subject (mail-header-subject gnus-tmp-header)
4627 simp-subject (gnus-simplify-subject-fully subject))
4630 ;; If the thread has changed subject, we might want to make
4631 ;; this subthread into a root.
4632 ((and (null gnus-thread-ignore-subject)
4633 (not (zerop gnus-tmp-level))
4634 gnus-tmp-prev-subject
4635 (not (string= gnus-tmp-prev-subject simp-subject)))
4636 (setq new-roots (nconc new-roots (list (car thread)))
4638 gnus-tmp-header nil))
4639 ;; If the article lies outside the current limit,
4640 ;; then we do not display it.
4641 ((not (memq number gnus-newsgroup-limit))
4642 (setq gnus-tmp-gathered
4644 (lambda (h) (mail-header-number (car h)))
4647 (setq gnus-tmp-new-adopts (if (cdar thread)
4648 (append gnus-tmp-new-adopts
4650 gnus-tmp-new-adopts)
4652 gnus-tmp-header nil)
4653 (when (zerop gnus-tmp-level)
4654 (setq gnus-tmp-root-expunged t)))
4655 ;; Perhaps this article is to be marked as read?
4656 ((and gnus-summary-mark-below
4657 (< (or (cdr (assq number gnus-newsgroup-scored))
4659 gnus-summary-mark-below)
4660 ;; Don't touch sparse articles.
4661 (not (gnus-summary-article-sparse-p number))
4662 (not (gnus-summary-article-ancient-p number)))
4663 (setq gnus-newsgroup-unreads
4664 (delq number gnus-newsgroup-unreads))
4665 (if gnus-newsgroup-auto-expire
4666 (setq gnus-newsgroup-expirable
4667 (gnus-add-to-sorted-list
4668 gnus-newsgroup-expirable number))
4669 (push (cons number gnus-low-score-mark)
4670 gnus-newsgroup-reads))))
4672 (when gnus-tmp-header
4673 ;; We may have an old dummy line to output before this
4675 (when (and gnus-tmp-dummy-line
4678 (mail-header-subject gnus-tmp-header)))
4679 (gnus-summary-insert-dummy-line
4680 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
4681 (setq gnus-tmp-dummy-line nil))
4683 ;; Compute the mark.
4684 (setq gnus-tmp-unread (gnus-article-mark number))
4686 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
4687 gnus-tmp-header gnus-tmp-level)
4688 gnus-newsgroup-data)
4690 ;; Actually insert the line.
4692 gnus-tmp-subject-or-nil
4694 ((and gnus-thread-ignore-subject
4695 gnus-tmp-prev-subject
4696 (not (string= gnus-tmp-prev-subject simp-subject)))
4698 ((zerop gnus-tmp-level)
4699 (if (and (eq gnus-summary-make-false-root 'empty)
4700 (memq number gnus-tmp-gathered)
4701 gnus-tmp-prev-subject
4702 (string= gnus-tmp-prev-subject simp-subject))
4703 gnus-summary-same-subject
4705 (t gnus-summary-same-subject)))
4706 (if (and (eq gnus-summary-make-false-root 'adopt)
4707 (= gnus-tmp-level 1)
4708 (memq number gnus-tmp-gathered))
4709 (setq gnus-tmp-opening-bracket ?\<
4710 gnus-tmp-closing-bracket ?\>)
4711 (setq gnus-tmp-opening-bracket ?\[
4712 gnus-tmp-closing-bracket ?\]))
4714 gnus-tmp-indentation
4715 (aref gnus-thread-indent-array gnus-tmp-level)
4716 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
4717 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
4718 gnus-summary-default-score 0)
4720 (if (or (null gnus-summary-default-score)
4721 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
4722 gnus-summary-zcore-fuzz))
4724 (if (< gnus-tmp-score gnus-summary-default-score)
4725 gnus-score-below-mark gnus-score-over-mark))
4727 (cond ((memq number gnus-newsgroup-processable)
4729 ((memq number gnus-newsgroup-cached)
4731 ((memq number gnus-newsgroup-replied)
4733 ((memq number gnus-newsgroup-forwarded)
4734 gnus-forwarded-mark)
4735 ((memq number gnus-newsgroup-saved)
4737 ((memq number gnus-newsgroup-recent)
4739 ((memq number gnus-newsgroup-unseen)
4743 (cond ((memq number gnus-newsgroup-undownloaded)
4744 gnus-undownloaded-mark)
4745 (gnus-newsgroup-agentized
4746 gnus-downloaded-mark)
4749 gnus-tmp-from (mail-header-from gnus-tmp-header)
4752 ((string-match "<[^>]+> *$" gnus-tmp-from)
4753 (setq beg-match (match-beginning 0))
4754 (or (and (string-match "^\".+\"" gnus-tmp-from)
4755 (substring gnus-tmp-from 1 (1- (match-end 0))))
4756 (substring gnus-tmp-from 0 beg-match)))
4757 ((string-match "(.+)" gnus-tmp-from)
4758 (substring gnus-tmp-from
4759 (1+ (match-beginning 0)) (1- (match-end 0))))
4761 gnus-tmp-thread-tree-header-string
4763 ((not gnus-show-threads) "")
4764 ((zerop gnus-tmp-level)
4766 (or gnus-sum-thread-tree-root subject)
4767 (or gnus-sum-thread-tree-single-indent subject)))
4769 (concat (apply 'concat
4770 (mapcar (lambda (item)
4772 gnus-sum-thread-tree-vertical
4773 gnus-sum-thread-tree-indent))
4774 (cdr (reverse tree-stack))))
4776 gnus-sum-thread-tree-leaf-with-other
4777 gnus-sum-thread-tree-single-leaf)))))
4778 (when (string= gnus-tmp-name "")
4779 (setq gnus-tmp-name gnus-tmp-from))
4780 (unless (numberp gnus-tmp-lines)
4781 (setq gnus-tmp-lines -1))
4782 (if (= gnus-tmp-lines -1)
4783 (setq gnus-tmp-lines "?")
4784 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
4785 (gnus-put-text-property
4787 (progn (eval gnus-summary-line-format-spec) (point))
4788 'gnus-number number)
4791 (gnus-run-hooks 'gnus-summary-update-hook)
4794 (setq gnus-tmp-prev-subject simp-subject)))
4796 (when (nth 1 thread)
4797 (push (list (max 0 gnus-tmp-level)
4798 (copy-list tree-stack)
4801 (push (if (nth 1 thread) 1 0) tree-stack)
4802 (incf gnus-tmp-level)
4803 (setq threads (if thread-end nil (cdar thread)))
4804 (if gnus-summary-display-while-building
4807 ;; use a set frequency
4808 (setq building-line-count (1- building-line-count))
4809 (when (= building-line-count 0)
4811 (setq building-line-count
4812 gnus-summary-display-while-building)))
4816 (setq gnus-tmp-level 0)))))
4817 (gnus-message 7 "Generating summary...done"))
4819 (defun gnus-summary-prepare-unthreaded (headers)
4820 "Generate an unthreaded summary buffer based on HEADERS."
4821 (let (header number mark)
4826 ;; We may have to root out some bad articles...
4827 (when (memq (setq number (mail-header-number
4828 (setq header (pop headers))))
4829 gnus-newsgroup-limit)
4830 ;; Mark article as read when it has a low score.
4831 (when (and gnus-summary-mark-below
4832 (< (or (cdr (assq number gnus-newsgroup-scored))
4833 gnus-summary-default-score 0)
4834 gnus-summary-mark-below)
4835 (not (gnus-summary-article-ancient-p number)))
4836 (setq gnus-newsgroup-unreads
4837 (delq number gnus-newsgroup-unreads))
4838 (if gnus-newsgroup-auto-expire
4839 (push number gnus-newsgroup-expirable)
4840 (push (cons number gnus-low-score-mark)
4841 gnus-newsgroup-reads)))
4843 (setq mark (gnus-article-mark number))
4844 (push (gnus-data-make number mark (1+ (point)) header 0)
4845 gnus-newsgroup-data)
4846 (gnus-summary-insert-line
4848 (memq number gnus-newsgroup-undownloaded)
4849 mark (memq number gnus-newsgroup-replied)
4850 (memq number gnus-newsgroup-expirable)
4851 (mail-header-subject header) nil
4852 (cdr (assq number gnus-newsgroup-scored))
4853 (memq number gnus-newsgroup-processable))))))
4855 (defun gnus-summary-remove-list-identifiers ()
4856 "Remove list identifiers in `gnus-list-identifiers' from articles in the current group."
4857 (let ((regexp (if (consp gnus-list-identifiers)
4858 (mapconcat 'identity gnus-list-identifiers " *\\|")
4859 gnus-list-identifiers))
4862 (dolist (header gnus-newsgroup-headers)
4863 (setq subject (mail-header-subject header)
4865 (while (string-match
4866 (concat "^\\(R[Ee]: +\\)*\\(" regexp " *\\)")
4869 (concat (substring subject 0 (match-beginning 2))
4870 (substring subject (match-end 0)))
4874 "^\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" subject))
4876 (concat (substring subject 0 (match-beginning 1))
4877 (substring subject (match-end 1)))))
4879 (mail-header-set-subject header subject))))))
4881 (defun gnus-fetch-headers (articles)
4882 "Fetch headers of ARTICLES."
4883 (let ((name (gnus-group-decoded-name gnus-newsgroup-name)))
4884 (gnus-message 5 "Fetching headers for %s..." name)
4887 (setq gnus-headers-retrieved-by
4888 (gnus-retrieve-headers
4889 articles gnus-newsgroup-name
4890 ;; We might want to fetch old headers, but
4891 ;; not if there is only 1 article.
4893 (not (eq gnus-fetch-old-headers 'some))
4894 (not (numberp gnus-fetch-old-headers)))
4895 (> (length articles) 1))
4896 gnus-fetch-old-headers))))
4897 (gnus-get-newsgroup-headers-xover
4898 articles nil nil gnus-newsgroup-name t)
4899 (gnus-get-newsgroup-headers))
4900 (gnus-message 5 "Fetching headers for %s...done" name))))
4902 (defun gnus-select-newsgroup (group &optional read-all select-articles)
4903 "Select newsgroup GROUP.
4904 If READ-ALL is non-nil, all articles in the group are selected.
4905 If SELECT-ARTICLES, only select those articles from GROUP."
4906 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
4907 ;;!!! Dirty hack; should be removed.
4908 (gnus-summary-ignore-duplicates
4909 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
4911 gnus-summary-ignore-duplicates))
4912 (info (nth 2 entry))
4913 articles fetched-articles cached)
4915 (unless (gnus-check-server
4916 (set (make-local-variable 'gnus-current-select-method)
4917 (gnus-find-method-for-group group)))
4918 (error "Couldn't open server"))
4920 (or (and entry (not (eq (car entry) t))) ; Either it's active...
4921 (gnus-activate-group group) ; Or we can activate it...
4922 (progn ; Or we bug out.
4923 (when (equal major-mode 'gnus-summary-mode)
4924 (kill-buffer (current-buffer)))
4925 (error "Couldn't activate group %s: %s"
4926 group (gnus-status-message group))))
4928 (unless (gnus-request-group group t)
4929 (when (equal major-mode 'gnus-summary-mode)
4930 (kill-buffer (current-buffer)))
4931 (error "Couldn't request group %s: %s"
4932 group (gnus-status-message group)))
4934 (setq gnus-newsgroup-name group
4935 gnus-newsgroup-unselected nil
4936 gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
4938 (let ((display (gnus-group-find-parameter group 'display)))
4939 (setq gnus-newsgroup-display
4941 ((not (zerop (or (car-safe read-all) 0)))
4942 ;; The user entered the group with C-u SPC/RET, let's show
4948 (gnus-summary-display-make-predicate (mapcar 'identity display)))
4950 ;; The following is probably the "correct" solution, but
4951 ;; it makes Gnus fetch all headers and then limit the
4952 ;; articles (which is slow), so instead we hack the
4953 ;; select-articles parameter instead. -- Simon Josefsson
4956 ;; (gnus-byte-compile
4957 ;; `(lambda () (> number ,(- (cdr (gnus-active group))
4959 (setq select-articles
4960 (gnus-uncompress-range
4961 (cons (let ((tmp (- (cdr (gnus-active group)) display)))
4965 (cdr (gnus-active group)))))
4970 (gnus-summary-setup-default-charset)
4972 ;; Kludge to avoid having cached articles nixed out in virtual groups.
4973 (when (gnus-virtual-group-p group)
4974 (setq cached gnus-newsgroup-cached))
4976 (setq gnus-newsgroup-unreads
4977 (gnus-sorted-ndifference
4978 (gnus-sorted-ndifference gnus-newsgroup-unreads
4979 gnus-newsgroup-marked)
4980 gnus-newsgroup-dormant))
4982 (setq gnus-newsgroup-processable nil)
4984 (gnus-update-read-articles group gnus-newsgroup-unreads)
4986 ;; Adjust and set lists of article marks.
4988 (gnus-adjust-marked-articles info))
4989 (if (setq articles select-articles)
4990 (setq gnus-newsgroup-unselected
4991 (gnus-sorted-difference gnus-newsgroup-unreads articles))
4992 (setq articles (gnus-articles-to-read group read-all)))
4996 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
4998 ((eq articles 0) nil)
5000 ;; Init the dependencies hash table.
5001 (setq gnus-newsgroup-dependencies
5002 (gnus-make-hashtable (length articles)))
5003 (gnus-set-global-variables)
5004 ;; Retrieve the headers and read them in.
5006 (setq gnus-newsgroup-headers (gnus-fetch-headers articles))
5008 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5010 (setq gnus-newsgroup-cached cached))
5012 ;; Suppress duplicates?
5013 (when gnus-suppress-duplicates
5014 (gnus-dup-suppress-articles))
5016 ;; Set the initial limit.
5017 (setq gnus-newsgroup-limit (copy-sequence articles))
5018 ;; Remove canceled articles from the list of unread articles.
5019 (setq fetched-articles
5020 (mapcar (lambda (headers) (mail-header-number headers))
5021 gnus-newsgroup-headers))
5022 (setq gnus-newsgroup-articles fetched-articles)
5023 (setq gnus-newsgroup-unreads
5024 (gnus-sorted-nintersection
5025 gnus-newsgroup-unreads fetched-articles))
5026 (gnus-compute-unseen-list)
5028 ;; Removed marked articles that do not exist.
5029 (gnus-update-missing-marks
5030 (gnus-sorted-difference articles fetched-articles))
5031 ;; We might want to build some more threads first.
5032 (when (and gnus-fetch-old-headers
5033 (eq gnus-headers-retrieved-by 'nov))
5034 (if (eq gnus-fetch-old-headers 'invisible)
5035 (gnus-build-all-threads)
5036 (gnus-build-old-threads)))
5037 ;; Let the Gnus agent mark articles as read.
5039 (gnus-agent-get-undownloaded-list))
5040 ;; Remove list identifiers from subject
5041 (when gnus-list-identifiers
5042 (gnus-summary-remove-list-identifiers))
5043 ;; Check whether auto-expire is to be done in this group.
5044 (setq gnus-newsgroup-auto-expire
5045 (gnus-group-auto-expirable-p group))
5046 ;; Set up the article buffer now, if necessary.
5047 (unless gnus-single-article-buffer
5048 (gnus-article-setup-buffer))
5049 ;; First and last article in this newsgroup.
5050 (when gnus-newsgroup-headers
5051 (setq gnus-newsgroup-begin
5052 (mail-header-number (car gnus-newsgroup-headers))
5055 (gnus-last-element gnus-newsgroup-headers))))
5056 ;; GROUP is successfully selected.
5057 (or gnus-newsgroup-headers t)))))
5059 (defun gnus-compute-unseen-list ()
5060 ;; The `seen' marks are treated specially.
5061 (if (not gnus-newsgroup-seen)
5062 (setq gnus-newsgroup-unseen gnus-newsgroup-articles)
5063 (setq gnus-newsgroup-unseen
5064 (gnus-inverse-list-range-intersection
5065 gnus-newsgroup-articles gnus-newsgroup-seen))))
5067 (defun gnus-summary-display-make-predicate (display)
5068 (require 'gnus-agent)
5069 (when (= (length display) 1)
5070 (setq display (car display)))
5071 (unless gnus-summary-display-cache
5072 (dolist (elem (append '((unread . unread)
5075 gnus-article-mark-lists))
5076 (push (cons (cdr elem)
5078 `(lambda () (gnus-article-marked-p ',(cdr elem)))))
5079 gnus-summary-display-cache)))
5080 (let ((gnus-category-predicate-alist gnus-summary-display-cache)
5081 (gnus-category-predicate-cache gnus-summary-display-cache))
5082 (gnus-get-predicate display)))
5084 ;; Uses the dynamically bound `number' variable.
5087 (defun gnus-article-marked-p (type &optional article)
5088 (let ((article (or article number)))
5091 (memq article gnus-newsgroup-marked))
5093 (memq article gnus-newsgroup-spam-marked))
5095 (memq article gnus-newsgroup-unsendable))
5096 ((eq type 'undownload)
5097 (memq article gnus-newsgroup-undownloaded))
5098 ((eq type 'download)
5099 (memq article gnus-newsgroup-downloadable))
5101 (memq article gnus-newsgroup-unreads))
5103 (memq article gnus-newsgroup-reads))
5105 (memq article gnus-newsgroup-dormant) )
5107 (memq article gnus-newsgroup-expirable))
5109 (memq article gnus-newsgroup-replied))
5111 (memq article gnus-newsgroup-killed))
5112 ((eq type 'bookmark)
5113 (assq article gnus-newsgroup-bookmarks))
5115 (assq article gnus-newsgroup-scored))
5117 (memq article gnus-newsgroup-saved))
5119 (memq article gnus-newsgroup-cached))
5121 (memq article gnus-newsgroup-forwarded))
5123 (not (memq article gnus-newsgroup-unseen)))
5125 (memq article gnus-newsgroup-recent))
5128 (defun gnus-articles-to-read (group &optional read-all)
5129 "Find out what articles the user wants to read."
5130 (let* ((display (gnus-group-find-parameter group 'display))
5132 ;; Select all articles if `read-all' is non-nil, or if there
5133 ;; are no unread articles.
5135 (and (zerop (length gnus-newsgroup-marked))
5136 (zerop (length gnus-newsgroup-unreads)))
5137 ;; Fetch all if the predicate is non-nil.
5138 gnus-newsgroup-display)
5139 ;; We want to select the headers for all the articles in
5140 ;; the group, so we select either all the active
5141 ;; articles in the group, or (if that's nil), the
5142 ;; articles in the cache.
5144 (gnus-uncompress-range (gnus-active group))
5145 (gnus-cache-articles-in-group group))
5146 ;; Select only the "normal" subset of articles.
5148 (gnus-sorted-union gnus-newsgroup-dormant gnus-newsgroup-marked)
5149 gnus-newsgroup-unreads)))
5150 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
5151 (scored (length scored-list))
5152 (number (length articles))
5153 (marked (+ (length gnus-newsgroup-marked)
5154 (length gnus-newsgroup-dormant)))
5159 ((numberp gnus-newsgroup-display)
5160 gnus-newsgroup-display)
5164 ((and (or (<= scored marked) (= scored number))
5165 (numberp gnus-large-newsgroup)
5166 (> number gnus-large-newsgroup))
5167 (let* ((cursor-in-echo-area nil)
5168 (initial (gnus-parameter-large-newsgroup-initial
5169 gnus-newsgroup-name))
5173 "How many articles from %s (%s %d): "
5175 (gnus-group-decoded-name gnus-newsgroup-name)
5177 (if initial "max" "default")
5180 (cons (number-to-string initial)
5182 (if (string-match "^[ \t]*$" input) number input)))
5183 ((and (> scored marked) (< scored number)
5184 (> (- scored number) 20))
5187 (format "%s %s (%d scored, %d total): "
5188 "How many articles from"
5189 (gnus-group-decoded-name group)
5191 (if (string-match "^[ \t]*$" input)
5195 (message "Quit getting the articles to read")
5197 (setq select (if (stringp select) (string-to-number select) select))
5198 (if (or (null select) (zerop select))
5200 (if (and (not (zerop scored)) (<= (abs select) scored))
5202 (setq articles (sort scored-list '<))
5203 (setq number (length articles)))
5204 (setq articles (copy-sequence articles)))
5206 (when (< (abs select) number)
5208 ;; Select the N oldest articles.
5209 (setcdr (nthcdr (1- (abs select)) articles) nil)
5210 ;; Select the N most recent articles.
5211 (setq articles (nthcdr (- number select) articles))))
5212 (setq gnus-newsgroup-unselected
5213 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5214 (when gnus-alter-articles-to-read-function
5215 (setq gnus-newsgroup-unreads
5217 (funcall gnus-alter-articles-to-read-function
5218 gnus-newsgroup-name gnus-newsgroup-unreads)
5222 (defun gnus-killed-articles (killed articles)
5225 (when (inline (gnus-member-of-range (car articles) killed))
5226 (push (car articles) out))
5227 (setq articles (cdr articles)))
5230 (defun gnus-uncompress-marks (marks)
5231 "Uncompress the mark ranges in MARKS."
5232 (let ((uncompressed '(score bookmark))
5235 (if (memq (caar marks) uncompressed)
5236 (push (car marks) out)
5237 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
5238 (setq marks (cdr marks)))
5241 (defun gnus-article-mark-to-type (mark)
5242 "Return the type of MARK."
5243 (or (cadr (assq mark gnus-article-special-mark-lists))
5246 (defun gnus-article-unpropagatable-p (mark)
5247 "Return whether MARK should be propagated to backend."
5248 (memq mark gnus-article-unpropagated-mark-lists))
5250 (defun gnus-adjust-marked-articles (info)
5251 "Set all article lists and remove all marks that are no longer valid."
5252 (let* ((marked-lists (gnus-info-marks info))
5253 (active (gnus-active (gnus-info-group info)))
5256 (types gnus-article-mark-lists)
5257 marks var articles article mark mark-type)
5259 (dolist (marks marked-lists)
5260 (setq mark (car marks)
5261 mark-type (gnus-article-mark-to-type mark)
5262 var (intern (format "gnus-newsgroup-%s" (car (rassq mark types)))))
5264 ;; We set the variable according to the type of the marks list,
5265 ;; and then adjust the marks to a subset of the active articles.
5267 ;; Adjust "simple" lists.
5268 ((eq mark-type 'list)
5269 (set var (setq articles (gnus-uncompress-range (cdr marks))))
5270 (when (memq mark '(tick dormant expire reply save))
5272 (when (or (< (setq article (pop articles)) min) (> article max))
5273 (set var (delq article (symbol-value var)))))))
5275 ((eq mark-type 'tuple)
5276 (set var (setq articles (cdr marks)))
5277 (when (not (listp (cdr (symbol-value var))))
5278 (set var (list (symbol-value var))))
5279 (when (not (listp (cdr articles)))
5280 (setq articles (list articles)))
5282 (when (or (not (consp (setq article (pop articles))))
5283 (< (car article) min)
5284 (> (car article) max))
5285 (set var (delq article (symbol-value var))))))
5286 ;; Adjust ranges (sloppily).
5287 ((eq mark-type 'range)
5290 ;; Fix the record for `seen' if it looks like (seen NUM1 . NUM2).
5291 ;; It should be (seen (NUM1 . NUM2)).
5292 (when (numberp (cddr marks))
5293 (setcdr marks (list (cdr marks))))
5294 (setq articles (cdr marks))
5295 (while (and articles
5296 (or (and (consp (car articles))
5297 (> min (cdar articles)))
5298 (and (numberp (car articles))
5299 (> min (car articles)))))
5301 (set var articles))))))))
5303 (defun gnus-update-missing-marks (missing)
5304 "Go through the list of MISSING articles and remove them from the mark lists."
5307 ;; Go through all types.
5308 (dolist (elem gnus-article-mark-lists)
5309 (when (eq (gnus-article-mark-to-type (cdr elem)) 'list)
5310 (setq var (intern (format "gnus-newsgroup-%s" (car elem))))
5311 (when (symbol-value var)
5312 ;; This list has articles. So we delete all missing
5313 ;; articles from it.
5316 (set var (delq (pop m) (symbol-value var))))))))))
5318 (defun gnus-update-marks ()
5319 "Enter the various lists of marked articles into the newsgroup info list."
5320 (let ((types gnus-article-mark-lists)
5321 (info (gnus-get-info gnus-newsgroup-name))
5322 type list newmarked symbol delta-marks)
5324 ;; Add all marks lists to the list of marks lists.
5325 (while (setq type (pop types))
5326 (setq list (symbol-value
5328 (intern (format "gnus-newsgroup-%s" (car type))))))
5331 ;; Get rid of the entries of the articles that have the
5333 (when (and (eq (cdr type) 'score)
5337 (prev (cons nil list))
5340 (if (or (not (consp (car arts)))
5341 (= (cdar arts) gnus-summary-default-score))
5342 (setcdr prev (cdr arts))
5344 (setq arts (cdr arts)))
5345 (setq list (cdr all)))))
5347 (when (eq (cdr type) 'seen)
5348 (setq list (gnus-range-add list gnus-newsgroup-unseen)))
5350 (when (eq (gnus-article-mark-to-type (cdr type)) 'list)
5351 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
5353 (when (and (gnus-check-backend-function
5354 'request-set-mark gnus-newsgroup-name)
5355 (not (gnus-article-unpropagatable-p (cdr type))))
5356 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
5357 (del (gnus-remove-from-range (gnus-copy-sequence old) list))
5358 (add (gnus-remove-from-range
5359 (gnus-copy-sequence list) old)))
5361 (push (list add 'add (list (cdr type))) delta-marks))
5363 (push (list del 'del (list (cdr type))) delta-marks))))
5366 (push (cons (cdr type) list) newmarked)))
5369 (unless (gnus-check-group gnus-newsgroup-name)
5370 (error "Can't open server for %s" gnus-newsgroup-name))
5371 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
5373 ;; Enter these new marks into the info of the group.
5375 (setcar (nthcdr 3 info) newmarked)
5376 ;; Add the marks lists to the end of the info.
5378 (setcdr (nthcdr 2 info) (list newmarked))))
5380 ;; Cut off the end of the info if there's nothing else there.
5384 (when (nthcdr (decf i) info)
5385 (setcdr (nthcdr i info) nil)))))))
5387 (defun gnus-set-mode-line (where)
5388 "Set the mode line of the article or summary buffers.
5389 If WHERE is `summary', the summary mode line format will be used."
5390 ;; Is this mode line one we keep updated?
5391 (when (and (memq where gnus-updated-mode-lines)
5393 (intern (format "gnus-%s-mode-line-format-spec" where))))
5396 ;; We evaluate this in the summary buffer since these
5397 ;; variables are buffer-local to that buffer.
5398 (set-buffer gnus-summary-buffer)
5399 ;; We bind all these variables that are used in the `eval' form
5401 (let* ((mformat (symbol-value
5403 (format "gnus-%s-mode-line-format-spec" where))))
5404 (gnus-tmp-group-name (gnus-group-decoded-name
5405 gnus-newsgroup-name))
5406 (gnus-tmp-article-number (or gnus-current-article 0))
5407 (gnus-tmp-unread gnus-newsgroup-unreads)
5408 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
5409 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
5410 (gnus-tmp-unread-and-unselected
5411 (cond ((and (zerop gnus-tmp-unread-and-unticked)
5412 (zerop gnus-tmp-unselected))
5414 ((zerop gnus-tmp-unselected)
5415 (format "{%d more}" gnus-tmp-unread-and-unticked))
5416 (t (format "{%d(+%d) more}"
5417 gnus-tmp-unread-and-unticked
5418 gnus-tmp-unselected))))
5420 (if (and gnus-current-headers
5421 (vectorp gnus-current-headers))
5422 (gnus-mode-string-quote
5423 (mail-header-subject gnus-current-headers))
5425 bufname-length max-len
5426 gnus-tmp-header) ;; passed as argument to any user-format-funcs
5427 (setq mode-string (eval mformat))
5428 (setq bufname-length (if (string-match "%b" mode-string)
5431 (if (eq where 'summary)
5433 (get-buffer gnus-article-buffer))))
5436 (setq max-len (max 4 (if gnus-mode-non-string-length
5438 gnus-mode-non-string-length
5440 (length mode-string))))
5441 ;; We might have to chop a bit of the string off...
5442 (when (> (length mode-string) max-len)
5444 (concat (truncate-string-to-width mode-string (- max-len 3))
5446 ;; Pad the mode string a bit.
5447 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
5448 ;; Update the mode line.
5449 (setq mode-line-buffer-identification
5450 (gnus-mode-line-buffer-identification (list mode-string)))
5451 (set-buffer-modified-p t))))
5453 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
5454 "Go through the HEADERS list and add all Xrefs to a hash table.
5455 The resulting hash table is returned, or nil if no Xrefs were found."
5456 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
5457 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
5458 (xref-hashtb (gnus-make-hashtable))
5459 start group entry number xrefs header)
5461 (setq header (pop headers))
5462 (when (and (setq xrefs (mail-header-xref header))
5463 (not (memq (setq number (mail-header-number header))
5466 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
5467 (setq start (match-end 0))
5468 (setq group (if prefix
5469 (concat prefix (substring xrefs (match-beginning 1)
5471 (substring xrefs (match-beginning 1) (match-end 1))))
5473 (string-to-int (substring xrefs (match-beginning 2)
5475 (if (setq entry (gnus-gethash group xref-hashtb))
5476 (setcdr entry (cons number (cdr entry)))
5477 (gnus-sethash group (cons number nil) xref-hashtb)))))
5478 (and start xref-hashtb)))
5480 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
5481 "Look through all the headers and mark the Xrefs as read."
5482 (let ((virtual (gnus-virtual-group-p from-newsgroup))
5483 name entry info xref-hashtb idlist method nth4)
5485 (set-buffer gnus-group-buffer)
5486 (when (setq xref-hashtb
5487 (gnus-create-xref-hashtb from-newsgroup headers unreads))
5490 (unless (string= from-newsgroup (setq name (symbol-name group)))
5491 (setq idlist (symbol-value group))
5492 ;; Dead groups are not updated.
5494 (setq entry (gnus-gethash name gnus-newsrc-hashtb)
5496 (when (stringp (setq nth4 (gnus-info-method info)))
5497 (setq nth4 (gnus-server-to-method nth4))))
5498 ;; Only do the xrefs if the group has the same
5499 ;; select method as the group we have just read.
5500 (or (gnus-methods-equal-p
5501 nth4 (gnus-find-method-for-group from-newsgroup))
5503 (equal nth4 (setq method (gnus-find-method-for-group
5505 (and (equal (car nth4) (car method))
5506 (equal (nth 1 nth4) (nth 1 method))))
5507 gnus-use-cross-reference
5508 (or (not (eq gnus-use-cross-reference t))
5510 ;; Only do cross-references on subscribed
5511 ;; groups, if that is what is wanted.
5512 (<= (gnus-info-level info) gnus-level-subscribed))
5513 (gnus-group-make-articles-read name idlist))))
5516 (defun gnus-compute-read-articles (group articles)
5517 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
5518 (info (nth 2 entry))
5519 (active (gnus-active group))
5522 ;; First peel off all invalid article numbers.
5524 (let ((ids articles)
5526 (while (setq id (pop ids))
5527 (when (and first (> id (cdr active)))
5528 ;; We'll end up in this situation in one particular
5529 ;; obscure situation. If you re-scan a group and get
5530 ;; a new article that is cross-posted to a different
5531 ;; group that has not been re-scanned, you might get
5532 ;; crossposted article that has a higher number than
5533 ;; Gnus believes possible. So we re-activate this
5534 ;; group as well. This might mean doing the
5535 ;; crossposting thingy will *increase* the number
5536 ;; of articles in some groups. Tsk, tsk.
5537 (setq active (or (gnus-activate-group group) active)))
5538 (when (or (> id (cdr active))
5539 (< id (car active)))
5540 (setq articles (delq id articles))))))
5541 ;; If the read list is nil, we init it.
5543 (null (gnus-info-read info))
5545 (setq ninfo (cons 1 (1- (car active))))
5546 (setq ninfo (gnus-info-read info)))
5547 ;; Then we add the read articles to the range.
5549 ninfo (setq articles (sort articles '<))))))
5551 (defun gnus-group-make-articles-read (group articles)
5552 "Update the info of GROUP to say that ARTICLES are read."
5554 (entry (gnus-gethash group gnus-newsrc-hashtb))
5555 (info (nth 2 entry))
5556 (active (gnus-active group))
5559 (setq range (gnus-compute-read-articles group articles))
5561 (set-buffer gnus-group-buffer)
5564 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
5565 (gnus-info-set-read ',info ',(gnus-info-read info))
5566 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
5567 (gnus-request-set-mark ,group (list (list ',range 'del '(read))))
5568 (gnus-group-update-group ,group t))))
5569 ;; Add the read articles to the range.
5570 (gnus-info-set-read info range)
5571 (gnus-request-set-mark group (list (list range 'add '(read))))
5572 ;; Then we have to re-compute how many unread
5573 ;; articles there are in this group.
5577 (setq num (- (1+ (cdr active)) (car active))))
5578 ((not (listp (cdr range)))
5579 (setq num (- (cdr active) (- (1+ (cdr range))
5583 (if (numberp (car range))
5585 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
5586 (setq range (cdr range)))
5587 (setq num (- (cdr active) num))))
5588 ;; Update the number of unread articles.
5590 ;; Update the group buffer.
5591 (unless (gnus-ephemeral-group-p group)
5592 (gnus-group-update-group group t))))))
5594 (defvar gnus-newsgroup-none-id 0)
5596 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
5597 (let ((cur nntp-server-buffer)
5600 (save-excursion (set-buffer gnus-summary-buffer)
5601 gnus-newsgroup-dependencies)))
5603 (mail-parse-charset gnus-newsgroup-charset)
5604 (mail-parse-ignored-charsets
5605 (save-excursion (condition-case nil
5606 (set-buffer gnus-summary-buffer)
5608 gnus-newsgroup-ignored-charsets)))
5610 (set-buffer nntp-server-buffer)
5611 ;; Translate all TAB characters into SPACE characters.
5612 (subst-char-in-region (point-min) (point-max) ?\t ? t)
5613 (subst-char-in-region (point-min) (point-max) ?\r ? t)
5614 (gnus-run-hooks 'gnus-parse-headers-hook)
5615 (let ((case-fold-search t)
5616 in-reply-to header p lines chars)
5617 (goto-char (point-min))
5618 ;; Search to the beginning of the next header. Error messages
5619 ;; do not begin with 2 or 3.
5620 (while (re-search-forward "^[23][0-9]+ " nil t)
5623 ;; This implementation of this function, with nine
5624 ;; search-forwards instead of the one re-search-forward and
5625 ;; a case (which basically was the old function) is actually
5626 ;; about twice as fast, even though it looks messier. You
5627 ;; can't have everything, I guess. Speed and elegance
5628 ;; doesn't always go hand in hand.
5637 (narrow-to-region (point)
5638 (or (and (search-forward "\n.\n" nil t)
5644 (if (search-forward "\nsubject:" nil t)
5645 (funcall gnus-decode-encoded-word-function
5646 (nnheader-header-value))
5651 (if (search-forward "\nfrom:" nil t)
5652 (funcall gnus-decode-encoded-word-function
5653 (nnheader-header-value))
5658 (if (search-forward "\ndate:" nil t)
5659 (nnheader-header-value) ""))
5663 (setq id (if (re-search-forward
5664 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
5665 ;; We do it this way to make sure the Message-ID
5666 ;; is (somewhat) syntactically valid.
5667 (buffer-substring (match-beginning 1)
5669 ;; If there was no message-id, we just fake one
5670 ;; to make subsequent routines simpler.
5671 (nnheader-generate-fake-message-id))))
5675 (if (search-forward "\nreferences:" nil t)
5679 (nnheader-header-value)
5684 (search-backward ">" end t)
5687 (search-backward "<" end t)
5689 ;; Get the references from the in-reply-to header if there
5690 ;; were no references and the in-reply-to header looks
5692 (if (and (search-forward "\nin-reply-to:" nil t)
5693 (setq in-reply-to (nnheader-header-value))
5694 (string-match "<[^>]+>" in-reply-to))
5696 (setq ref (substring in-reply-to (match-beginning 0)
5698 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
5699 (setq ref2 (substring in-reply-to (match-beginning 0)
5701 (when (> (length ref2) (length ref))
5708 (if (search-forward "\nchars: " nil t)
5709 (if (numberp (setq chars (ignore-errors (read cur))))
5715 (if (search-forward "\nlines: " nil t)
5716 (if (numberp (setq lines (ignore-errors (read cur))))
5722 (and (search-forward "\nxref:" nil t)
5723 (nnheader-header-value)))
5725 (when gnus-extra-headers
5726 (let ((extra gnus-extra-headers)
5730 (when (search-forward
5731 (concat "\n" (symbol-name (car extra)) ":") nil t)
5732 (push (cons (car extra) (nnheader-header-value))
5736 (when (equal id ref)
5739 (when gnus-alter-header-function
5740 (funcall gnus-alter-header-function header)
5741 (setq id (mail-header-id header)
5742 ref (gnus-parent-id (mail-header-references header))))
5745 (gnus-dependencies-add-header
5746 header dependencies force-new))
5747 (push header headers))
5748 (goto-char (point-max))
5750 (nreverse headers)))))
5752 ;; Goes through the xover lines and returns a list of vectors
5753 (defun gnus-get-newsgroup-headers-xover (sequence &optional
5754 force-new dependencies
5755 group also-fetch-heads)
5756 "Parse the news overview data in the server buffer.
5757 Return a list of headers that match SEQUENCE (see
5758 `nntp-retrieve-headers')."
5759 ;; Get the Xref when the users reads the articles since most/some
5760 ;; NNTP servers do not include Xrefs when using XOVER.
5761 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
5762 (let ((mail-parse-charset gnus-newsgroup-charset)
5763 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
5764 (cur nntp-server-buffer)
5765 (dependencies (or dependencies gnus-newsgroup-dependencies))
5767 ((eq gnus-read-all-available-headers t)
5769 ((stringp gnus-read-all-available-headers)
5770 (string-match gnus-read-all-available-headers group))
5773 number headers header)
5775 (set-buffer nntp-server-buffer)
5776 (subst-char-in-region (point-min) (point-max) ?\r ? t)
5777 ;; Allow the user to mangle the headers before parsing them.
5778 (gnus-run-hooks 'gnus-parse-headers-hook)
5779 (goto-char (point-min))
5780 (gnus-parse-without-error
5781 (while (and (or sequence allp)
5783 (setq number (read cur))
5785 (while (and sequence
5786 (< (car sequence) number))
5787 (setq sequence (cdr sequence))))
5790 (eq number (car sequence))))
5792 (setq sequence (cdr sequence))
5793 (setq header (inline
5794 (gnus-nov-parse-line
5795 number dependencies force-new)))))
5796 (push header headers))
5798 ;; A common bug in inn is that if you have posted an article and
5799 ;; then retrieves the active file, it will answer correctly --
5800 ;; the new article is included. However, a NOV entry for the
5801 ;; article may not have been generated yet, so this may fail.
5802 ;; We work around this problem by retrieving the last few
5803 ;; headers using HEAD.
5804 (if (or (not also-fetch-heads)
5806 ;; We (probably) got all the headers.
5808 (let ((gnus-nov-is-evil t))
5811 (when (eq (gnus-retrieve-headers sequence group) 'headers)
5812 (gnus-get-newsgroup-headers))))))))
5814 (defun gnus-article-get-xrefs ()
5815 "Fill in the Xref value in `gnus-current-headers', if necessary.
5816 This is meant to be called in `gnus-article-internal-prepare-hook'."
5817 (let ((headers (save-excursion (set-buffer gnus-summary-buffer)
5818 gnus-current-headers)))
5819 (or (not gnus-use-cross-reference)
5821 (and (mail-header-xref headers)
5822 (not (string= (mail-header-xref headers) "")))
5823 (let ((case-fold-search t)
5826 (nnheader-narrow-to-headers)
5827 (goto-char (point-min))
5828 (when (or (and (not (eobp))
5829 (eq (downcase (char-after)) ?x)
5830 (looking-at "Xref:"))
5831 (search-forward "\nXref:" nil t))
5832 (goto-char (1+ (match-end 0)))
5833 (setq xref (buffer-substring (point)
5834 (progn (end-of-line) (point))))
5835 (mail-header-set-xref headers xref)))))))
5837 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
5838 "Find article ID and insert the summary line for that article.
5839 OLD-HEADER can either be a header or a line number to insert
5840 the subject line on."
5841 (let* ((line (and (numberp old-header) old-header))
5842 (old-header (and (vectorp old-header) old-header))
5843 (header (cond ((and old-header use-old-header)
5846 (gnus-number-to-header id))
5847 (gnus-number-to-header id))
5849 (gnus-read-header id))))
5850 (number (and (numberp id) id))
5853 ;; Rebuild the thread that this article is part of and go to the
5854 ;; article we have fetched.
5855 (when (and (not gnus-show-threads)
5858 (setq d (gnus-data-find (mail-header-number old-header))))
5859 (goto-char (gnus-data-pos d))
5862 (- (gnus-point-at-bol)
5864 (1+ (gnus-point-at-eol))
5865 (gnus-delete-line))))))
5867 (mail-header-set-number header (mail-header-number old-header)))
5868 (setq gnus-newsgroup-sparse
5869 (delq (setq number (mail-header-number header))
5870 gnus-newsgroup-sparse))
5871 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
5872 (push number gnus-newsgroup-limit)
5873 (gnus-rebuild-thread (mail-header-id header) line)
5874 (gnus-summary-goto-subject number nil t))
5875 (when (and (numberp number)
5877 ;; We have to update the boundaries even if we can't fetch the
5878 ;; article if ID is a number -- so that the next `P' or `N'
5879 ;; command will fetch the previous (or next) article even
5880 ;; if the one we tried to fetch this time has been canceled.
5881 (when (> number gnus-newsgroup-end)
5882 (setq gnus-newsgroup-end number))
5883 (when (< number gnus-newsgroup-begin)
5884 (setq gnus-newsgroup-begin number))
5885 (setq gnus-newsgroup-unselected
5886 (delq number gnus-newsgroup-unselected)))
5887 ;; Report back a success?
5888 (and header (mail-header-number header))))
5890 ;;; Process/prefix in the summary buffer
5892 (defun gnus-summary-work-articles (n)
5893 "Return a list of articles to be worked upon.
5894 The prefix argument, the list of process marked articles, and the
5895 current article will be taken into consideration."
5897 (set-buffer gnus-summary-buffer)
5900 ;; A numerical prefix has been given.
5901 (setq n (prefix-numeric-value n))
5902 (let ((backward (< n 0))
5903 (n (abs (prefix-numeric-value n)))
5908 (push (setq article (gnus-summary-article-number))
5911 (gnus-summary-find-prev nil article)
5912 (gnus-summary-find-next nil article)))
5914 (nreverse articles)))
5915 ((and (gnus-region-active-p) (mark))
5916 (message "region active")
5917 ;; Work on the region between point and mark.
5918 (let ((max (max (point) (mark)))
5921 (goto-char (min (min (point) (mark))))
5924 (push (setq article (gnus-summary-article-number)) articles)
5925 (gnus-summary-find-next nil article)
5927 (nreverse articles))))
5928 (gnus-newsgroup-processable
5929 ;; There are process-marked articles present.
5930 ;; Save current state.
5931 (gnus-summary-save-process-mark)
5933 (reverse gnus-newsgroup-processable))
5935 ;; Just return the current article.
5936 (list (gnus-summary-article-number))))))
5938 (defmacro gnus-summary-iterate (arg &rest forms)
5939 "Iterate over the process/prefixed articles and do FORMS.
5940 ARG is the interactive prefix given to the command. FORMS will be
5941 executed with point over the summary line of the articles."
5942 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
5943 `(let ((,articles (gnus-summary-work-articles ,arg)))
5945 (gnus-summary-goto-subject (car ,articles))
5949 (put 'gnus-summary-iterate 'lisp-indent-function 1)
5950 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
5952 (defun gnus-summary-save-process-mark ()
5953 "Push the current set of process marked articles on the stack."
5955 (push (copy-sequence gnus-newsgroup-processable)
5956 gnus-newsgroup-process-stack))
5958 (defun gnus-summary-kill-process-mark ()
5959 "Push the current set of process marked articles on the stack and unmark."
5961 (gnus-summary-save-process-mark)
5962 (gnus-summary-unmark-all-processable))
5964 (defun gnus-summary-yank-process-mark ()
5965 "Pop the last process mark state off the stack and restore it."
5967 (unless gnus-newsgroup-process-stack
5968 (error "Empty mark stack"))
5969 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
5971 (defun gnus-summary-process-mark-set (set)
5972 "Make SET into the current process marked articles."
5973 (gnus-summary-unmark-all-processable)
5975 (gnus-summary-set-process-mark (pop set))))
5977 ;;; Searching and stuff
5979 (defun gnus-summary-search-group (&optional backward use-level)
5980 "Search for next unread newsgroup.
5981 If optional argument BACKWARD is non-nil, search backward instead."
5983 (set-buffer gnus-group-buffer)
5984 (when (gnus-group-search-forward
5985 backward nil (if use-level (gnus-group-group-level) nil))
5986 (gnus-group-group-name))))
5988 (defun gnus-summary-best-group (&optional exclude-group)
5989 "Find the name of the best unread group.
5990 If EXCLUDE-GROUP, do not go to this group."
5992 (set-buffer gnus-group-buffer)
5994 (gnus-group-best-unread-group exclude-group))))
5996 (defun gnus-summary-find-next (&optional unread article backward undownloaded)
5997 (if backward (gnus-summary-find-prev)
5998 (let* ((dummy (gnus-summary-article-intangible-p))
5999 (article (or article (gnus-summary-article-number)))
6000 (arts (gnus-data-find-list article))
6002 (when (and (not dummy)
6003 (or (not gnus-summary-check-current)
6005 (not (gnus-data-unread-p (car arts)))))
6006 (setq arts (cdr arts)))
6011 (when (or (and undownloaded
6012 (memq (car arts) gnus-newsgroup-undownloaded))
6013 (gnus-data-unread-p (car arts)))
6014 (setq result (car arts)
6016 (setq arts (cdr arts)))
6019 (goto-char (gnus-data-pos result))
6020 (gnus-data-number result)))))
6022 (defun gnus-summary-find-prev (&optional unread article)
6023 (let* ((eobp (eobp))
6024 (article (or article (gnus-summary-article-number)))
6025 (arts (gnus-data-find-list article (gnus-data-list 'rev)))
6027 (when (and (not eobp)
6028 (or (not gnus-summary-check-current)
6030 (not (gnus-data-unread-p (car arts)))))
6031 (setq arts (cdr arts)))
6036 (when (gnus-data-unread-p (car arts))
6037 (setq result (car arts)
6039 (setq arts (cdr arts)))
6042 (goto-char (gnus-data-pos result))
6043 (gnus-data-number result))))
6045 (defun gnus-summary-find-subject (subject &optional unread backward article)
6046 (let* ((simp-subject (gnus-simplify-subject-fully subject))
6047 (article (or article (gnus-summary-article-number)))
6048 (articles (gnus-data-list backward))
6049 (arts (gnus-data-find-list article articles))
6051 (when (or (not gnus-summary-check-current)
6053 (not (gnus-data-unread-p (car arts))))
6054 (setq arts (cdr arts)))
6056 (and (or (not unread)
6057 (gnus-data-unread-p (car arts)))
6058 (vectorp (gnus-data-header (car arts)))
6060 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
6061 (setq result (car arts)
6063 (setq arts (cdr arts)))
6065 (goto-char (gnus-data-pos result))
6066 (gnus-data-number result))))
6068 (defun gnus-summary-search-forward (&optional unread subject backward)
6069 "Search forward for an article.
6070 If UNREAD, look for unread articles. If SUBJECT, look for
6071 articles with that subject. If BACKWARD, search backward instead."
6072 (cond (subject (gnus-summary-find-subject subject unread backward))
6073 (backward (gnus-summary-find-prev unread))
6074 (t (gnus-summary-find-next unread))))
6076 (defun gnus-recenter (&optional n)
6077 "Center point in window and redisplay frame.
6078 Also do horizontal recentering."
6080 (when (and gnus-auto-center-summary
6081 (not (eq gnus-auto-center-summary 'vertical)))
6082 (gnus-horizontal-recenter))
6085 (defun gnus-summary-recenter ()
6086 "Center point in the summary window.
6087 If `gnus-auto-center-summary' is nil, or the article buffer isn't
6088 displayed, no centering will be performed."
6089 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
6090 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
6092 (let* ((top (cond ((< (window-height) 4) 0)
6093 ((< (window-height) 7) 1)
6094 (t (if (numberp gnus-auto-center-summary)
6095 gnus-auto-center-summary
6097 (height (1- (window-height)))
6098 (bottom (save-excursion (goto-char (point-max))
6099 (forward-line (- height))
6101 (window (get-buffer-window (current-buffer))))
6102 ;; The user has to want it.
6103 (when gnus-auto-center-summary
6104 (when (get-buffer-window gnus-article-buffer)
6105 ;; Only do recentering when the article buffer is displayed,
6106 ;; Set the window start to either `bottom', which is the biggest
6107 ;; possible valid number, or the second line from the top,
6108 ;; whichever is the least.
6109 (let ((top-pos (save-excursion (forward-line (- top)) (point))))
6110 (if (> bottom top-pos)
6111 ;; Keep the second line from the top visible
6112 (set-window-start window top-pos t)
6113 ;; Try to keep the bottom line visible; if it's partially
6114 ;; obscured, either scroll one more line to make it fully
6115 ;; visible, or revert to using TOP-POS.
6117 (goto-char (point-max))
6119 (let ((last-line-start (point)))
6121 (set-window-start window (point) t)
6122 (when (not (pos-visible-in-window-p last-line-start window))
6124 (set-window-start window (min (point) top-pos) t)))))))
6125 ;; Do horizontal recentering while we're at it.
6126 (when (and (get-buffer-window (current-buffer) t)
6127 (not (eq gnus-auto-center-summary 'vertical)))
6128 (let ((selected (selected-window)))
6129 (select-window (get-buffer-window (current-buffer) t))
6130 (gnus-summary-position-point)
6131 (gnus-horizontal-recenter)
6132 (select-window selected))))))
6134 (defun gnus-summary-jump-to-group (newsgroup)
6135 "Move point to NEWSGROUP in group mode buffer."
6136 ;; Keep update point of group mode buffer if visible.
6137 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
6138 (save-window-excursion
6139 ;; Take care of tree window mode.
6140 (when (get-buffer-window gnus-group-buffer)
6141 (pop-to-buffer gnus-group-buffer))
6142 (gnus-group-jump-to-group newsgroup))
6144 ;; Take care of tree window mode.
6145 (if (get-buffer-window gnus-group-buffer)
6146 (pop-to-buffer gnus-group-buffer)
6147 (set-buffer gnus-group-buffer))
6148 (gnus-group-jump-to-group newsgroup))))
6150 ;; This function returns a list of article numbers based on the
6151 ;; difference between the ranges of read articles in this group and
6152 ;; the range of active articles.
6153 (defun gnus-list-of-unread-articles (group)
6154 (let* ((read (gnus-info-read (gnus-get-info group)))
6155 (active (or (gnus-active group) (gnus-activate-group group)))
6158 ;; If none are read, then all are unread.
6160 (setq first (car active))
6161 ;; If the range of read articles is a single range, then the
6162 ;; first unread article is the article after the last read
6163 ;; article. Sounds logical, doesn't it?
6164 (if (and (not (listp (cdr read)))
6165 (or (< (car read) (car active))
6166 (progn (setq read (list read))
6168 (setq first (max (car active) (1+ (cdr read))))
6169 ;; `read' is a list of ranges.
6170 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6173 (setq first (car active)))
6176 (while (< first nlast)
6178 (setq first (1+ first))))
6179 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6180 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6181 (setq read (cdr read)))))
6182 ;; And add the last unread articles.
6183 (while (<= first last)
6185 (setq first (1+ first)))
6186 ;; Return the list of unread articles.
6187 (delq 0 (nreverse unread))))
6189 (defun gnus-list-of-read-articles (group)
6190 "Return a list of unread, unticked and non-dormant articles."
6191 (let* ((info (gnus-get-info group))
6192 (marked (gnus-info-marks info))
6193 (active (gnus-active group)))
6195 (gnus-list-range-difference
6196 (gnus-list-range-difference
6197 (gnus-sorted-complement
6198 (gnus-uncompress-range active)
6199 (gnus-list-of-unread-articles group))
6200 (cdr (assq 'dormant marked)))
6201 (cdr (assq 'tick marked))))))
6203 ;; Various summary commands
6205 (defun gnus-summary-select-article-buffer ()
6206 "Reconfigure windows to show article buffer."
6208 (if (not (gnus-buffer-live-p gnus-article-buffer))
6209 (error "There is no article buffer for this summary buffer")
6210 (gnus-configure-windows 'article)
6211 (select-window (get-buffer-window gnus-article-buffer))))
6213 (defun gnus-summary-universal-argument (arg)
6214 "Perform any operation on all articles that are process/prefixed."
6216 (let ((articles (gnus-summary-work-articles arg))
6223 (substitute-command-keys
6224 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
6226 (gnus-error 1 "Undefined key")
6229 (gnus-summary-goto-subject (setq article (pop articles)))
6230 (let (gnus-newsgroup-processable)
6231 (command-execute func))
6232 (gnus-summary-remove-process-mark article)))))
6233 (gnus-summary-position-point))
6235 (defun gnus-summary-toggle-truncation (&optional arg)
6236 "Toggle truncation of summary lines.
6237 With arg, turn line truncation on if arg is positive."
6239 (setq truncate-lines
6240 (if (null arg) (not truncate-lines)
6241 (> (prefix-numeric-value arg) 0)))
6244 (defun gnus-summary-find-uncancelled ()
6245 "Return the number of an uncancelled article.
6246 The current article is considered, then following articles, then previous
6247 articles. If all articles are cancelled then return a dummy 0."
6249 (dolist (rev '(nil t))
6250 (unless found ; don't demand the reverse list if we don't need it
6251 (let ((data (gnus-data-find-list
6252 (gnus-summary-article-number) (gnus-data-list rev))))
6253 (while (and data (not found))
6254 (if (not (eq gnus-canceled-mark (gnus-data-mark (car data))))
6255 (setq found (gnus-data-number (car data))))
6256 (setq data (cdr data))))))
6259 (defun gnus-summary-reselect-current-group (&optional all rescan)
6260 "Exit and then reselect the current newsgroup.
6261 The prefix argument ALL means to select all articles."
6263 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
6264 (error "Ephemeral groups can't be reselected"))
6265 (let ((current-subject (gnus-summary-find-uncancelled))
6266 (group gnus-newsgroup-name))
6267 (setq gnus-newsgroup-begin nil)
6269 ;; We have to adjust the point of group mode buffer because
6270 ;; point was moved to the next unread newsgroup by exiting.
6271 (gnus-summary-jump-to-group group)
6274 (gnus-group-get-new-news-this-group 1)))
6275 (gnus-group-read-group all t)
6276 (gnus-summary-goto-subject current-subject nil t)))
6278 (defun gnus-summary-rescan-group (&optional all)
6279 "Exit the newsgroup, ask for new articles, and select the newsgroup."
6281 (gnus-summary-reselect-current-group all t))
6283 (defun gnus-summary-update-info (&optional non-destructive)
6285 (let ((group gnus-newsgroup-name))
6287 (when gnus-newsgroup-kill-headers
6288 (setq gnus-newsgroup-killed
6289 (gnus-compress-sequence
6291 (gnus-list-range-intersection
6292 gnus-newsgroup-unselected gnus-newsgroup-killed)
6293 gnus-newsgroup-unreads)
6295 (unless (listp (cdr gnus-newsgroup-killed))
6296 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
6297 (let ((headers gnus-newsgroup-headers))
6298 ;; Set the new ranges of read articles.
6300 (set-buffer gnus-group-buffer)
6301 (gnus-undo-force-boundary))
6302 (gnus-update-read-articles
6303 group (gnus-sorted-union
6304 gnus-newsgroup-unreads gnus-newsgroup-unselected))
6305 ;; Set the current article marks.
6306 (let ((gnus-newsgroup-scored
6307 (if (and (not gnus-save-score)
6308 (not non-destructive))
6310 gnus-newsgroup-scored)))
6312 (gnus-update-marks)))
6313 ;; Do the cross-ref thing.
6314 (when gnus-use-cross-reference
6315 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
6316 ;; Do not switch windows but change the buffer to work.
6317 (set-buffer gnus-group-buffer)
6318 (unless (gnus-ephemeral-group-p group)
6319 (gnus-group-update-group group)))))))
6321 (defun gnus-summary-save-newsrc (&optional force)
6322 "Save the current number of read/marked articles in the dribble buffer.
6323 The dribble buffer will then be saved.
6324 If FORCE (the prefix), also save the .newsrc file(s)."
6326 (gnus-summary-update-info t)
6328 (gnus-save-newsrc-file)
6329 (gnus-dribble-save)))
6331 (defun gnus-summary-exit (&optional temporary)
6332 "Exit reading current newsgroup, and then return to group selection mode.
6333 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
6335 (gnus-set-global-variables)
6336 (when (gnus-buffer-live-p gnus-article-buffer)
6338 (set-buffer gnus-article-buffer)
6339 (mm-destroy-parts gnus-article-mime-handles)
6340 ;; Set it to nil for safety reason.
6341 (setq gnus-article-mime-handle-alist nil)
6342 (setq gnus-article-mime-handles nil)))
6343 (gnus-kill-save-kill-buffer)
6344 (gnus-async-halt-prefetch)
6345 (let* ((group gnus-newsgroup-name)
6346 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
6347 (gnus-group-is-exiting-p t)
6350 (buf (current-buffer)))
6352 ;; Do adaptive scoring, and possibly save score files.
6353 (when gnus-newsgroup-adaptive
6354 (gnus-score-adaptive))
6355 (when gnus-use-scoring
6357 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
6358 ;; If we have several article buffers, we kill them at exit.
6359 (unless gnus-single-article-buffer
6360 (gnus-kill-buffer gnus-original-article-buffer)
6361 (setq gnus-article-current nil))
6362 (when gnus-use-cache
6363 (gnus-cache-possibly-remove-articles)
6364 (gnus-cache-save-buffers))
6365 (gnus-async-prefetch-remove-group group)
6366 (when gnus-suppress-duplicates
6367 (gnus-dup-enter-articles))
6368 (when gnus-use-trees
6369 (gnus-tree-close group))
6370 (when gnus-use-cache
6371 (gnus-cache-write-active))
6372 ;; Remove entries for this group.
6373 (nnmail-purge-split-history (gnus-group-real-name group))
6374 ;; Make all changes in this group permanent.
6376 (gnus-run-hooks 'gnus-exit-group-hook)
6377 (gnus-summary-update-info))
6378 (gnus-close-group group)
6379 ;; Make sure where we were, and go to next newsgroup.
6380 (set-buffer gnus-group-buffer)
6382 (gnus-group-jump-to-group group))
6383 (gnus-run-hooks 'gnus-summary-exit-hook)
6384 (unless (or quit-config
6385 ;; If this group has disappeared from the summary
6386 ;; buffer, don't skip forwards.
6387 (not (string= group (gnus-group-group-name))))
6388 (gnus-group-next-unread-group 1))
6389 (setq group-point (point))
6392 ;; If we have several article buffers, we kill them at exit.
6393 (unless gnus-single-article-buffer
6394 (gnus-kill-buffer gnus-article-buffer)
6395 (gnus-kill-buffer gnus-original-article-buffer)
6396 (setq gnus-article-current nil))
6398 (if (not gnus-kill-summary-on-exit)
6400 (gnus-deaden-summary)
6402 ;; We set all buffer-local variables to nil. It is unclear why
6403 ;; this is needed, but if we don't, buffer-local variables are
6404 ;; not garbage-collected, it seems. This would the lead to en
6405 ;; ever-growing Emacs.
6406 (gnus-summary-clear-local-variables)
6407 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6408 (gnus-summary-clear-local-variables))
6409 (when (get-buffer gnus-article-buffer)
6410 (bury-buffer gnus-article-buffer))
6411 ;; We clear the global counterparts of the buffer-local
6412 ;; variables as well, just to be on the safe side.
6413 (set-buffer gnus-group-buffer)
6414 (gnus-summary-clear-local-variables)
6415 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6416 (gnus-summary-clear-local-variables))
6417 ;; Return to group mode buffer.
6418 (when (eq mode 'gnus-summary-mode)
6419 (gnus-kill-buffer buf)))
6420 (setq gnus-current-select-method gnus-select-method)
6421 (pop-to-buffer gnus-group-buffer)
6422 (if (not quit-config)
6424 (goto-char group-point)
6425 (gnus-configure-windows 'group 'force))
6426 (gnus-handle-ephemeral-exit quit-config))
6427 ;; Clear the current group name.
6429 (setq gnus-newsgroup-name nil)))))
6431 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
6432 (defun gnus-summary-exit-no-update (&optional no-questions)
6433 "Quit reading current newsgroup without updating read article info."
6435 (let* ((group gnus-newsgroup-name)
6436 (gnus-group-is-exiting-p t)
6437 (quit-config (gnus-group-quit-config group)))
6438 (when (or no-questions
6440 (gnus-y-or-n-p "Discard changes to this group and exit? "))
6441 (gnus-async-halt-prefetch)
6443 (delq 'gnus-summary-expire-articles
6444 (copy-sequence gnus-summary-prepare-exit-hook)))
6445 (when (gnus-buffer-live-p gnus-article-buffer)
6447 (set-buffer gnus-article-buffer)
6448 (mm-destroy-parts gnus-article-mime-handles)
6449 ;; Set it to nil for safety reason.
6450 (setq gnus-article-mime-handle-alist nil)
6451 (setq gnus-article-mime-handles nil)))
6452 ;; If we have several article buffers, we kill them at exit.
6453 (unless gnus-single-article-buffer
6454 (gnus-kill-buffer gnus-article-buffer)
6455 (gnus-kill-buffer gnus-original-article-buffer)
6456 (setq gnus-article-current nil))
6457 (if (not gnus-kill-summary-on-exit)
6458 (gnus-deaden-summary)
6459 (gnus-close-group group)
6460 (gnus-summary-clear-local-variables)
6461 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6462 (gnus-summary-clear-local-variables))
6463 (set-buffer gnus-group-buffer)
6464 (gnus-summary-clear-local-variables)
6465 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6466 (gnus-summary-clear-local-variables))
6467 (when (get-buffer gnus-summary-buffer)
6468 (kill-buffer gnus-summary-buffer)))
6469 (unless gnus-single-article-buffer
6470 (setq gnus-article-current nil))
6471 (when gnus-use-trees
6472 (gnus-tree-close group))
6473 (gnus-async-prefetch-remove-group group)
6474 (when (get-buffer gnus-article-buffer)
6475 (bury-buffer gnus-article-buffer))
6476 ;; Return to the group buffer.
6477 (gnus-configure-windows 'group 'force)
6478 ;; Clear the current group name.
6479 (setq gnus-newsgroup-name nil)
6480 (unless (gnus-ephemeral-group-p group)
6481 (gnus-group-update-group group))
6482 (when (equal (gnus-group-group-name) group)
6483 (gnus-group-next-unread-group 1))
6485 (gnus-handle-ephemeral-exit quit-config)))))
6487 (defun gnus-handle-ephemeral-exit (quit-config)
6488 "Handle movement when leaving an ephemeral group.
6489 The state which existed when entering the ephemeral is reset."
6490 (if (not (buffer-name (car quit-config)))
6491 (gnus-configure-windows 'group 'force)
6492 (set-buffer (car quit-config))
6493 (cond ((eq major-mode 'gnus-summary-mode)
6494 (gnus-set-global-variables))
6495 ((eq major-mode 'gnus-article-mode)
6497 ;; The `gnus-summary-buffer' variable may point
6498 ;; to the old summary buffer when using a single
6500 (unless (gnus-buffer-live-p gnus-summary-buffer)
6501 (set-buffer gnus-group-buffer))
6502 (set-buffer gnus-summary-buffer)
6503 (gnus-set-global-variables))))
6504 (if (or (eq (cdr quit-config) 'article)
6505 (eq (cdr quit-config) 'pick))
6507 ;; The current article may be from the ephemeral group
6508 ;; thus it is best that we reload this article
6509 (gnus-summary-show-article)
6510 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
6511 (gnus-configure-windows 'pick 'force)
6512 (gnus-configure-windows (cdr quit-config) 'force)))
6513 (gnus-configure-windows (cdr quit-config) 'force))
6514 (when (eq major-mode 'gnus-summary-mode)
6515 (gnus-summary-next-subject 1 nil t)
6516 (gnus-summary-recenter)
6517 (gnus-summary-position-point))))
6521 (defvar gnus-dead-summary-mode-map nil)
6523 (unless gnus-dead-summary-mode-map
6524 (setq gnus-dead-summary-mode-map (make-keymap))
6525 (suppress-keymap gnus-dead-summary-mode-map)
6526 (substitute-key-definition
6527 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
6528 (dolist (key '("\C-d" "\r" "\177" [delete]))
6529 (define-key gnus-dead-summary-mode-map
6530 key 'gnus-summary-wake-up-the-dead))
6531 (dolist (key '("q" "Q"))
6532 (define-key gnus-dead-summary-mode-map key 'bury-buffer)))
6534 (defvar gnus-dead-summary-mode nil
6535 "Minor mode for Gnus summary buffers.")
6537 (defun gnus-dead-summary-mode (&optional arg)
6538 "Minor mode for Gnus summary buffers."
6540 (when (eq major-mode 'gnus-summary-mode)
6541 (make-local-variable 'gnus-dead-summary-mode)
6542 (setq gnus-dead-summary-mode
6543 (if (null arg) (not gnus-dead-summary-mode)
6544 (> (prefix-numeric-value arg) 0)))
6545 (when gnus-dead-summary-mode
6546 (gnus-add-minor-mode
6547 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
6549 (defun gnus-deaden-summary ()
6550 "Make the current summary buffer into a dead summary buffer."
6551 ;; Kill any previous dead summary buffer.
6552 (when (and gnus-dead-summary
6553 (buffer-name gnus-dead-summary))
6555 (set-buffer gnus-dead-summary)
6556 (when gnus-dead-summary-mode
6557 (kill-buffer (current-buffer)))))
6558 ;; Make this the current dead summary.
6559 (setq gnus-dead-summary (current-buffer))
6560 (gnus-dead-summary-mode 1)
6561 (let ((name (buffer-name)))
6562 (when (string-match "Summary" name)
6564 (concat (substring name 0 (match-beginning 0)) "Dead "
6565 (substring name (match-beginning 0)))
6569 (defun gnus-kill-or-deaden-summary (buffer)
6570 "Kill or deaden the summary BUFFER."
6572 (when (and (buffer-name buffer)
6573 (not gnus-single-article-buffer))
6576 (gnus-kill-buffer gnus-article-buffer)
6577 (gnus-kill-buffer gnus-original-article-buffer)))
6580 (gnus-kill-summary-on-exit
6581 (when (and gnus-use-trees
6582 (gnus-buffer-exists-p buffer))
6585 (gnus-tree-close gnus-newsgroup-name)))
6586 (gnus-kill-buffer buffer))
6587 ;; Deaden the buffer.
6588 ((gnus-buffer-exists-p buffer)
6591 (gnus-deaden-summary))))))
6593 (defun gnus-summary-wake-up-the-dead (&rest args)
6594 "Wake up the dead summary buffer."
6596 (gnus-dead-summary-mode -1)
6597 (let ((name (buffer-name)))
6598 (when (string-match "Dead " name)
6600 (concat (substring name 0 (match-beginning 0))
6601 (substring name (match-end 0)))
6603 (gnus-message 3 "This dead summary is now alive again"))
6605 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
6606 (defun gnus-summary-fetch-faq (&optional faq-dir)
6607 "Fetch the FAQ for the current group.
6608 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
6612 (when current-prefix-arg
6614 "FAQ dir: " (and (listp gnus-group-faq-directory)
6615 (mapcar (lambda (file) (list file))
6616 gnus-group-faq-directory))))))
6617 (let (gnus-faq-buffer)
6618 (when (setq gnus-faq-buffer
6619 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
6620 (gnus-configure-windows 'summary-faq))))
6622 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
6623 (defun gnus-summary-describe-group (&optional force)
6624 "Describe the current newsgroup."
6626 (gnus-group-describe-group force gnus-newsgroup-name))
6628 (defun gnus-summary-describe-briefly ()
6629 "Describe summary mode commands briefly."
6631 (gnus-message 6 (substitute-command-keys "\\<gnus-summary-mode-map>\\[gnus-summary-next-page]:Select \\[gnus-summary-next-unread-article]:Forward \\[gnus-summary-prev-unread-article]:Backward \\[gnus-summary-exit]:Exit \\[gnus-info-find-node]:Run Info \\[gnus-summary-describe-briefly]:This help")))
6633 ;; Walking around group mode buffer from summary mode.
6635 (defun gnus-summary-next-group (&optional no-article target-group backward)
6636 "Exit current newsgroup and then select next unread newsgroup.
6637 If prefix argument NO-ARTICLE is non-nil, no article is selected
6638 initially. If NEXT-GROUP, go to this group. If BACKWARD, go to
6639 previous group instead."
6641 ;; Stop pre-fetching.
6642 (gnus-async-halt-prefetch)
6643 (let ((current-group gnus-newsgroup-name)
6644 (current-buffer (current-buffer))
6646 (while (not entered)
6647 ;; Then we find what group we are supposed to enter.
6648 (set-buffer gnus-group-buffer)
6649 (gnus-group-jump-to-group current-group)
6652 (if (eq gnus-keep-same-level 'best)
6653 (gnus-summary-best-group gnus-newsgroup-name)
6654 (gnus-summary-search-group backward gnus-keep-same-level))))
6655 (if (not target-group)
6656 ;; There are no further groups, so we return to the group
6659 (gnus-message 5 "Returning to the group buffer")
6661 (when (gnus-buffer-live-p current-buffer)
6662 (set-buffer current-buffer)
6663 (gnus-summary-exit))
6664 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
6665 ;; We try to enter the target group.
6666 (gnus-group-jump-to-group target-group)
6667 (let ((unreads (gnus-group-group-unread)))
6668 (if (and (or (eq t unreads)
6669 (and unreads (not (zerop unreads))))
6671 ;; Now we semi-exit this group to update Xrefs
6672 ;; and all variables. We can't do a real exit,
6673 ;; because the window conf must remain the same
6674 ;; in case the user is prompted for info, and we
6675 ;; don't want the window conf to change before
6677 (when (gnus-buffer-live-p current-buffer)
6678 (set-buffer current-buffer)
6679 (gnus-summary-exit t))
6680 (gnus-summary-read-group
6681 target-group nil no-article
6682 (and (buffer-name current-buffer) current-buffer)
6685 (setq current-group target-group
6686 target-group nil)))))))
6688 (defun gnus-summary-prev-group (&optional no-article)
6689 "Exit current newsgroup and then select previous unread newsgroup.
6690 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
6692 (gnus-summary-next-group no-article nil t))
6694 ;; Walking around summary lines.
6696 (defun gnus-summary-first-subject (&optional unread undownloaded unseen)
6697 "Go to the first unread subject.
6698 If UNREAD is non-nil, go to the first unread article.
6699 Returns the article selected or nil if there are no unread articles."
6704 ((null gnus-newsgroup-data)
6705 (gnus-message 3 "No articles in the group")
6707 ;; Pick the first article.
6709 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
6710 (gnus-data-number (car gnus-newsgroup-data)))
6711 ;; No unread articles.
6712 ((null gnus-newsgroup-unreads)
6713 (gnus-message 3 "No more unread articles")
6715 ;; Find the first unread article.
6717 (let ((data gnus-newsgroup-data))
6719 (and (not (and undownloaded
6721 gnus-newsgroup-undownloaded)))
6724 (gnus-data-number (car data))
6725 gnus-newsgroup-unseen))
6726 (not (gnus-data-unread-p (car data))))
6727 (not (gnus-data-unread-p (car data))))))
6728 (setq data (cdr data)))
6730 (goto-char (gnus-data-pos (car data)))
6731 (gnus-data-number (car data))))))
6732 (gnus-summary-position-point)))
6734 (defun gnus-summary-next-subject (n &optional unread dont-display)
6735 "Go to next N'th summary line.
6736 If N is negative, go to the previous N'th subject line.
6737 If UNREAD is non-nil, only unread articles are selected.
6738 The difference between N and the actual number of steps taken is
6741 (let ((backward (< n 0))
6745 (gnus-summary-find-prev unread)
6746 (gnus-summary-find-next unread)))
6747 (unless (zerop (setq n (1- n)))
6748 (gnus-summary-show-thread)))
6750 (gnus-message 7 "No more%s articles"
6751 (if unread " unread" "")))
6752 (unless dont-display
6753 (gnus-summary-recenter)
6754 (gnus-summary-position-point))
6757 (defun gnus-summary-next-unread-subject (n)
6758 "Go to next N'th unread summary line."
6760 (gnus-summary-next-subject n t))
6762 (defun gnus-summary-prev-subject (n &optional unread)
6763 "Go to previous N'th summary line.
6764 If optional argument UNREAD is non-nil, only unread article is selected."
6766 (gnus-summary-next-subject (- n) unread))
6768 (defun gnus-summary-prev-unread-subject (n)
6769 "Go to previous N'th unread summary line."
6771 (gnus-summary-next-subject (- n) t))
6773 (defun gnus-summary-goto-subjects (articles)
6774 "Insert the subject header for ARTICLES in the current buffer."
6776 (dolist (article articles)
6777 (gnus-summary-goto-subject article t)))
6778 (gnus-summary-limit (append articles gnus-newsgroup-limit))
6779 (gnus-summary-position-point))
6781 (defun gnus-summary-goto-subject (article &optional force silent)
6782 "Go the subject line of ARTICLE.
6783 If FORCE, also allow jumping to articles not currently shown."
6784 (interactive "nArticle number: ")
6785 (unless (numberp article)
6786 (error "Article %s is not a number" article))
6788 (data (gnus-data-find article)))
6789 ;; We read in the article if we have to.
6792 (gnus-summary-insert-subject
6794 (if (or (numberp force) (vectorp force)) force)
6796 (setq data (gnus-data-find article)))
6801 (gnus-message 3 "Can't find article %d" article))
6803 (let ((pt (gnus-data-pos data)))
6805 (gnus-summary-set-article-display-arrow pt))
6806 (gnus-summary-position-point)
6809 ;; Walking around summary lines with displaying articles.
6811 (defun gnus-summary-expand-window (&optional arg)
6812 "Make the summary buffer take up the entire Emacs frame.
6813 Given a prefix, will force an `article' buffer configuration."
6816 (gnus-configure-windows 'article 'force)
6817 (gnus-configure-windows 'summary 'force)))
6819 (defun gnus-summary-display-article (article &optional all-header)
6820 "Display ARTICLE in article buffer."
6821 (when (gnus-buffer-live-p gnus-article-buffer)
6822 (with-current-buffer gnus-article-buffer
6823 (mm-enable-multibyte)))
6824 (gnus-set-global-variables)
6825 (when (gnus-buffer-live-p gnus-article-buffer)
6826 (with-current-buffer gnus-article-buffer
6827 (setq gnus-article-charset gnus-newsgroup-charset)
6828 (setq gnus-article-ignored-charsets gnus-newsgroup-ignored-charsets)
6829 (mm-enable-multibyte)))
6833 (if gnus-summary-display-article-function
6834 (funcall gnus-summary-display-article-function article all-header)
6835 (gnus-article-prepare article all-header))
6836 (gnus-run-hooks 'gnus-select-article-hook)
6837 (when (and gnus-current-article
6838 (not (zerop gnus-current-article)))
6839 (gnus-summary-goto-subject gnus-current-article))
6840 (gnus-summary-recenter)
6841 (when (and gnus-use-trees gnus-show-threads)
6842 (gnus-possibly-generate-tree article)
6843 (gnus-highlight-selected-tree article))
6844 ;; Successfully display article.
6845 (gnus-article-set-window-start
6846 (cdr (assq article gnus-newsgroup-bookmarks))))))
6848 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
6849 "Select the current article.
6850 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
6851 non-nil, the article will be re-fetched even if it already present in
6852 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
6854 ;; Make sure we are in the summary buffer to work around bbdb bug.
6855 (unless (eq major-mode 'gnus-summary-mode)
6856 (set-buffer gnus-summary-buffer))
6857 (let ((article (or article (gnus-summary-article-number)))
6858 (all-headers (not (not all-headers))) ;Must be t or nil.
6859 gnus-summary-display-article-function)
6861 (gnus-summary-article-pseudo-p article)
6862 (error "This is a pseudo-article"))
6864 (set-buffer gnus-summary-buffer)
6865 (if (or (and gnus-single-article-buffer
6866 (or (null gnus-current-article)
6867 (null gnus-article-current)
6868 (null (get-buffer gnus-article-buffer))
6869 (not (eq article (cdr gnus-article-current)))
6870 (not (equal (car gnus-article-current)
6871 gnus-newsgroup-name))))
6872 (and (not gnus-single-article-buffer)
6873 (or (null gnus-current-article)
6874 (not (eq gnus-current-article article))))
6876 ;; The requested article is different from the current article.
6878 (gnus-summary-display-article article all-headers)
6879 (when (gnus-buffer-live-p gnus-article-buffer)
6880 (with-current-buffer gnus-article-buffer
6881 (if (not gnus-article-decoded-p) ;; a local variable
6882 (mm-disable-multibyte))))
6883 (gnus-article-set-window-start
6884 (cdr (assq article gnus-newsgroup-bookmarks)))
6888 (defun gnus-summary-force-verify-and-decrypt ()
6890 (let ((mm-verify-option 'known)
6891 (mm-decrypt-option 'known)
6892 (gnus-buttonized-mime-types (append (list "multipart/signed"
6893 "multipart/encrypted")
6894 gnus-buttonized-mime-types)))
6895 (gnus-summary-select-article nil 'force)))
6897 (defun gnus-summary-set-current-mark (&optional current-mark)
6898 "Obsolete function."
6901 (defun gnus-summary-next-article (&optional unread subject backward push)
6902 "Select the next article.
6903 If UNREAD, only unread articles are selected.
6904 If SUBJECT, only articles with SUBJECT are selected.
6905 If BACKWARD, the previous article is selected instead of the next."
6908 ;; Is there such an article?
6909 ((and (gnus-summary-search-forward unread subject backward)
6910 (or (gnus-summary-display-article (gnus-summary-article-number))
6911 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
6912 (gnus-summary-position-point))
6913 ;; If not, we try the first unread, if that is wanted.
6915 gnus-auto-select-same
6916 (gnus-summary-first-unread-article))
6917 (gnus-summary-position-point)
6918 (gnus-message 6 "Wrapped"))
6919 ;; Try to get next/previous article not displayed in this group.
6920 ((and gnus-auto-extend-newsgroup
6921 (not unread) (not subject))
6922 (gnus-summary-goto-article
6923 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
6924 nil (count-lines (point-min) (point))))
6925 ;; Go to next/previous group.
6927 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
6928 (gnus-summary-jump-to-group gnus-newsgroup-name))
6929 (let ((cmd last-command-char)
6932 (set-buffer gnus-group-buffer)
6935 (if (eq gnus-keep-same-level 'best)
6936 (gnus-summary-best-group gnus-newsgroup-name)
6937 (gnus-summary-search-group backward gnus-keep-same-level))))
6938 ;; For some reason, the group window gets selected. We change
6940 (select-window (get-buffer-window (current-buffer)))
6941 ;; Select next unread newsgroup automagically.
6943 ((or (not gnus-auto-select-next)
6945 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
6946 ((or (eq gnus-auto-select-next 'quietly)
6947 (and (eq gnus-auto-select-next 'slightly-quietly)
6949 (and (eq gnus-auto-select-next 'almost-quietly)
6950 (gnus-summary-last-article-p)))
6952 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
6954 (gnus-message 7 "No more%s articles (%s)..."
6955 (if unread " unread" "")
6956 (if group (concat "selecting " group)
6958 (gnus-summary-next-group nil group backward)))
6960 (when (gnus-key-press-event-p last-input-event)
6961 (gnus-summary-walk-group-buffer
6962 gnus-newsgroup-name cmd unread backward point))))))))
6964 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
6965 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
6966 (?\C-p (gnus-group-prev-unread-group 1))))
6967 (cursor-in-echo-area t)
6968 keve key group ended prompt)
6970 (set-buffer gnus-group-buffer)
6973 (if (eq gnus-keep-same-level 'best)
6974 (gnus-summary-best-group gnus-newsgroup-name)
6975 (gnus-summary-search-group backward gnus-keep-same-level))))
6979 "No more%s articles%s " (if unread " unread" "")
6981 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
6982 (format " (Type %s for %s [%s])"
6983 (single-key-description cmd) group
6984 (car (gnus-gethash group gnus-newsrc-hashtb)))
6985 (format " (Type %s to exit %s)"
6986 (single-key-description cmd)
6987 gnus-newsgroup-name))))
6988 ;; Confirm auto selection.
6989 (setq key (car (setq keve (gnus-read-event-char prompt)))
6992 ((assq key keystrokes)
6993 (let ((obuf (current-buffer)))
6994 (switch-to-buffer gnus-group-buffer)
6996 (gnus-group-jump-to-group group))
6997 (eval (cadr (assq key keystrokes)))
6998 (setq group (gnus-group-group-name))
6999 (switch-to-buffer obuf))
7003 (gnus-ephemeral-group-p gnus-newsgroup-name))
7005 (gnus-summary-next-group nil group backward)))
7007 (push (cdr keve) unread-command-events))))))
7009 (defun gnus-summary-next-unread-article ()
7010 "Select unread article after current one."
7012 (gnus-summary-next-article
7013 (or (not (eq gnus-summary-goto-unread 'never))
7014 (gnus-summary-last-article-p (gnus-summary-article-number)))
7015 (and gnus-auto-select-same
7016 (gnus-summary-article-subject))))
7018 (defun gnus-summary-prev-article (&optional unread subject)
7019 "Select the article after the current one.
7020 If UNREAD is non-nil, only unread articles are selected."
7022 (gnus-summary-next-article unread subject t))
7024 (defun gnus-summary-prev-unread-article ()
7025 "Select unread article before current one."
7027 (gnus-summary-prev-article
7028 (or (not (eq gnus-summary-goto-unread 'never))
7029 (gnus-summary-first-article-p (gnus-summary-article-number)))
7030 (and gnus-auto-select-same
7031 (gnus-summary-article-subject))))
7033 (defun gnus-summary-next-page (&optional lines circular stop)
7034 "Show next page of the selected article.
7035 If at the end of the current article, select the next article.
7036 LINES says how many lines should be scrolled up.
7038 If CIRCULAR is non-nil, go to the start of the article instead of
7039 selecting the next article when reaching the end of the current
7042 If STOP is non-nil, just stop when reaching the end of the message."
7044 (setq gnus-summary-buffer (current-buffer))
7045 (gnus-set-global-variables)
7046 (let ((article (gnus-summary-article-number))
7047 (article-window (get-buffer-window gnus-article-buffer t))
7049 ;; If the buffer is empty, we have no article.
7051 (error "No article to select"))
7052 (gnus-configure-windows 'article)
7053 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
7054 (if (and (eq gnus-summary-goto-unread 'never)
7055 (not (gnus-summary-last-article-p article)))
7056 (gnus-summary-next-article)
7057 (gnus-summary-next-unread-article))
7058 (if (or (null gnus-current-article)
7059 (null gnus-article-current)
7060 (/= article (cdr gnus-article-current))
7061 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7062 ;; Selected subject is different from current article's.
7063 (gnus-summary-display-article article)
7064 (when article-window
7065 (gnus-eval-in-buffer-window gnus-article-buffer
7066 (setq endp (gnus-article-next-page lines)))
7069 (gnus-message 3 "End of message"))
7071 (gnus-summary-beginning-of-article))
7073 (gnus-message 3 "End of message"))
7075 (if (and (eq gnus-summary-goto-unread 'never)
7076 (not (gnus-summary-last-article-p article)))
7077 (gnus-summary-next-article)
7078 (gnus-summary-next-unread-article))))))))
7079 (gnus-summary-recenter)
7080 (gnus-summary-position-point)))
7082 (defun gnus-summary-prev-page (&optional lines move)
7083 "Show previous page of selected article.
7084 Argument LINES specifies lines to be scrolled down.
7085 If MOVE, move to the previous unread article if point is at
7086 the beginning of the buffer."
7088 (let ((article (gnus-summary-article-number))
7089 (article-window (get-buffer-window gnus-article-buffer t))
7091 (gnus-configure-windows 'article)
7092 (if (or (null gnus-current-article)
7093 (null gnus-article-current)
7094 (/= article (cdr gnus-article-current))
7095 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7096 ;; Selected subject is different from current article's.
7097 (gnus-summary-display-article article)
7098 (gnus-summary-recenter)
7099 (when article-window
7100 (gnus-eval-in-buffer-window gnus-article-buffer
7101 (setq endp (gnus-article-prev-page lines)))
7102 (when (and move endp)
7104 (gnus-message 3 "Beginning of message"))
7106 (if (and (eq gnus-summary-goto-unread 'never)
7107 (not (gnus-summary-first-article-p article)))
7108 (gnus-summary-prev-article)
7109 (gnus-summary-prev-unread-article))))))))
7110 (gnus-summary-position-point))
7112 (defun gnus-summary-prev-page-or-article (&optional lines)
7113 "Show previous page of selected article.
7114 Argument LINES specifies lines to be scrolled down.
7115 If at the beginning of the article, go to the next article."
7117 (gnus-summary-prev-page lines t))
7119 (defun gnus-summary-scroll-up (lines)
7120 "Scroll up (or down) one line current article.
7121 Argument LINES specifies lines to be scrolled up (or down if negative)."
7123 (gnus-configure-windows 'article)
7124 (gnus-summary-show-thread)
7125 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
7126 (gnus-eval-in-buffer-window gnus-article-buffer
7128 (when (gnus-article-next-page lines)
7129 (gnus-message 3 "End of message")))
7131 (gnus-article-prev-page (- lines))))))
7132 (gnus-summary-recenter)
7133 (gnus-summary-position-point))
7135 (defun gnus-summary-scroll-down (lines)
7136 "Scroll down (or up) one line current article.
7137 Argument LINES specifies lines to be scrolled down (or up if negative)."
7139 (gnus-summary-scroll-up (- lines)))
7141 (defun gnus-summary-next-same-subject ()
7142 "Select next article which has the same subject as current one."
7144 (gnus-summary-next-article nil (gnus-summary-article-subject)))
7146 (defun gnus-summary-prev-same-subject ()
7147 "Select previous article which has the same subject as current one."
7149 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
7151 (defun gnus-summary-next-unread-same-subject ()
7152 "Select next unread article which has the same subject as current one."
7154 (gnus-summary-next-article t (gnus-summary-article-subject)))
7156 (defun gnus-summary-prev-unread-same-subject ()
7157 "Select previous unread article which has the same subject as current one."
7159 (gnus-summary-prev-article t (gnus-summary-article-subject)))
7161 (defun gnus-summary-first-unread-article ()
7162 "Select the first unread article.
7163 Return nil if there are no unread articles."
7166 (when (gnus-summary-first-subject t)
7167 (gnus-summary-show-thread)
7168 (gnus-summary-first-subject t)
7169 (gnus-summary-display-article (gnus-summary-article-number)))
7170 (gnus-summary-position-point)))
7172 (defun gnus-summary-first-unread-subject ()
7173 "Place the point on the subject line of the first unread article.
7174 Return nil if there are no unread articles."
7177 (when (gnus-summary-first-subject t)
7178 (gnus-summary-show-thread)
7179 (gnus-summary-first-subject t))
7180 (gnus-summary-position-point)))
7182 (defun gnus-summary-first-unseen-subject ()
7183 "Place the point on the subject line of the first unseen article.
7184 Return nil if there are no unseen articles."
7187 (when (gnus-summary-first-subject t t t)
7188 (gnus-summary-show-thread)
7189 (gnus-summary-first-subject t t t))
7190 (gnus-summary-position-point)))
7192 (defun gnus-summary-first-unseen-or-unread-subject ()
7193 "Place the point on the subject line of the first unseen article.
7194 Return nil if there are no unseen articles."
7197 (unless (when (gnus-summary-first-subject t t t)
7198 (gnus-summary-show-thread)
7199 (gnus-summary-first-subject t t t))
7200 (when (gnus-summary-first-subject t)
7201 (gnus-summary-show-thread)
7202 (gnus-summary-first-subject t)))
7203 (gnus-summary-position-point)))
7205 (defun gnus-summary-first-article ()
7206 "Select the first article.
7207 Return nil if there are no articles."
7210 (when (gnus-summary-first-subject)
7211 (gnus-summary-show-thread)
7212 (gnus-summary-first-subject)
7213 (gnus-summary-display-article (gnus-summary-article-number)))
7214 (gnus-summary-position-point)))
7216 (defun gnus-summary-best-unread-article (&optional arg)
7217 "Select the unread article with the highest score.
7218 If given a prefix argument, select the next unread article that has a
7219 score higher than the default score."
7221 (let ((article (if arg
7222 (gnus-summary-better-unread-subject)
7223 (gnus-summary-best-unread-subject))))
7225 (gnus-summary-goto-article article)
7226 (error "No unread articles"))))
7228 (defun gnus-summary-best-unread-subject ()
7229 "Select the unread subject with the highest score."
7231 (let ((best -1000000)
7232 (data gnus-newsgroup-data)
7235 (and (gnus-data-unread-p (car data))
7237 (gnus-summary-article-score (gnus-data-number (car data))))
7240 article (gnus-data-number (car data))))
7241 (setq data (cdr data)))
7243 (gnus-summary-goto-subject article))
7244 (gnus-summary-position-point)
7247 (defun gnus-summary-better-unread-subject ()
7248 "Select the first unread subject that has a score over the default score."
7250 (let ((data gnus-newsgroup-data)
7252 (while (and (setq article (gnus-data-number (car data)))
7253 (or (gnus-data-read-p (car data))
7254 (not (> (gnus-summary-article-score article)
7255 gnus-summary-default-score))))
7256 (setq data (cdr data)))
7258 (gnus-summary-goto-subject article))
7259 (gnus-summary-position-point)
7262 (defun gnus-summary-last-subject ()
7263 "Go to the last displayed subject line in the group."
7264 (let ((article (gnus-data-number (car (gnus-data-list t)))))
7266 (gnus-summary-goto-subject article))))
7268 (defun gnus-summary-goto-article (article &optional all-headers force)
7269 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
7270 If ALL-HEADERS is non-nil, no header lines are hidden.
7271 If FORCE, go to the article even if it isn't displayed. If FORCE
7272 is a number, it is the line the article is to be displayed on."
7276 "Article number or Message-ID: "
7277 (mapcar (lambda (number) (list (int-to-string number)))
7278 gnus-newsgroup-limit))
7282 (if (and (stringp article)
7283 (string-match "@" article))
7284 (gnus-summary-refer-article article)
7285 (when (stringp article)
7286 (setq article (string-to-number article)))
7287 (if (gnus-summary-goto-subject article force)
7288 (gnus-summary-display-article article all-headers)
7289 (gnus-message 4 "Couldn't go to article %s" article) nil))
7290 (gnus-summary-position-point)))
7292 (defun gnus-summary-goto-last-article ()
7293 "Go to the previously read article."
7296 (when gnus-last-article
7297 (gnus-summary-goto-article gnus-last-article nil t))
7298 (gnus-summary-position-point)))
7300 (defun gnus-summary-pop-article (number)
7301 "Pop one article off the history and go to the previous.
7302 NUMBER articles will be popped off."
7305 (setq gnus-newsgroup-history
7306 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
7308 (gnus-summary-goto-article (car to) nil t)
7309 (error "Article history empty")))
7310 (gnus-summary-position-point))
7312 ;; Summary commands and functions for limiting the summary buffer.
7314 (defun gnus-summary-limit-to-articles (n)
7315 "Limit the summary buffer to the next N articles.
7316 If not given a prefix, use the process marked articles instead."
7319 (let ((articles (gnus-summary-work-articles n)))
7320 (setq gnus-newsgroup-processable nil)
7321 (gnus-summary-limit articles))
7322 (gnus-summary-position-point)))
7324 (defun gnus-summary-pop-limit (&optional total)
7325 "Restore the previous limit.
7326 If given a prefix, remove all limits."
7329 (setq gnus-newsgroup-limits
7330 (list (mapcar (lambda (h) (mail-header-number h))
7331 gnus-newsgroup-headers))))
7332 (unless gnus-newsgroup-limits
7333 (error "No limit to pop"))
7335 (gnus-summary-limit nil 'pop)
7336 (gnus-summary-position-point)))
7338 (defun gnus-summary-limit-to-subject (subject &optional header not-matching)
7339 "Limit the summary buffer to articles that have subjects that match a regexp.
7340 If NOT-MATCHING, excluding articles that have subjects that match a regexp."
7342 (list (read-string (if current-prefix-arg
7343 "Exclude subject (regexp): "
7344 "Limit to subject (regexp): "))
7345 nil current-prefix-arg))
7347 (setq header "subject"))
7348 (when (not (equal "" subject))
7350 (let ((articles (gnus-summary-find-matching
7351 (or header "subject") subject 'all nil nil
7354 (error "Found no matches for \"%s\"" subject))
7355 (gnus-summary-limit articles))
7356 (gnus-summary-position-point))))
7358 (defun gnus-summary-limit-to-author (from &optional not-matching)
7359 "Limit the summary buffer to articles that have authors that match a regexp.
7360 If NOT-MATCHING, excluding articles that have authors that match a regexp."
7362 (list (read-string (if current-prefix-arg
7363 "Exclude author (regexp): "
7364 "Limit to author (regexp): "))
7365 current-prefix-arg))
7366 (gnus-summary-limit-to-subject from "from" not-matching))
7368 (defun gnus-summary-limit-to-age (age &optional younger-p)
7369 "Limit the summary buffer to articles that are older than (or equal) AGE days.
7370 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
7371 articles that are younger than AGE days."
7373 (let ((younger current-prefix-arg)
7376 (while (not days-got)
7377 (setq days (if younger
7378 (read-string "Limit to articles younger than (in days, older when negative): ")
7380 "Limit to articles older than (in days, younger when negative): ")))
7381 (when (> (length days) 0)
7382 (setq days (read days)))
7388 (setq younger (not younger))
7389 (setq days (* days -1)))))
7390 (message "Please enter a number.")
7392 (list days younger)))
7394 (let ((data gnus-newsgroup-data)
7395 (cutoff (days-to-time age))
7396 articles d date is-younger)
7397 (while (setq d (pop data))
7398 (when (and (vectorp (gnus-data-header d))
7399 (setq date (mail-header-date (gnus-data-header d))))
7400 (setq is-younger (time-less-p
7401 (time-since (condition-case ()
7408 (push (gnus-data-number d) articles))))
7409 (gnus-summary-limit (nreverse articles)))
7410 (gnus-summary-position-point)))
7412 (defun gnus-summary-limit-to-extra (header regexp &optional not-matching)
7413 "Limit the summary buffer to articles that match an 'extra' header."
7417 (gnus-completing-read-with-default
7418 (symbol-name (car gnus-extra-headers))
7419 (if current-prefix-arg
7420 "Exclude extra header:"
7421 "Limit extra header:")
7423 (cons (symbol-name x) x))
7428 (read-string (format "%s header %s (regexp): "
7429 (if current-prefix-arg "Exclude" "Limit to")
7431 current-prefix-arg)))
7432 (when (not (equal "" regexp))
7434 (let ((articles (gnus-summary-find-matching
7435 (cons 'extra header) regexp 'all nil nil
7438 (error "Found no matches for \"%s\"" regexp))
7439 (gnus-summary-limit articles))
7440 (gnus-summary-position-point))))
7442 (defun gnus-summary-limit-to-display-predicate ()
7443 "Limit the summary buffer to the predicated in the `display' group parameter."
7445 (unless gnus-newsgroup-display
7446 (error "There is no `display' group parameter"))
7448 (dolist (number gnus-newsgroup-articles)
7449 (when (funcall gnus-newsgroup-display)
7450 (push number articles)))
7451 (gnus-summary-limit articles))
7452 (gnus-summary-position-point))
7454 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7456 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7458 (defun gnus-summary-limit-to-unread (&optional all)
7459 "Limit the summary buffer to articles that are not marked as read.
7460 If ALL is non-nil, limit strictly to unread articles."
7463 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
7464 (gnus-summary-limit-to-marks
7465 ;; Concat all the marks that say that an article is read and have
7467 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
7468 gnus-killed-mark gnus-spam-mark gnus-kill-file-mark
7469 gnus-low-score-mark gnus-expirable-mark
7470 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
7471 gnus-duplicate-mark gnus-souped-mark)
7474 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
7475 (make-obsolete 'gnus-summary-delete-marked-with
7476 'gnus-summary-limit-exclude-marks)
7478 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
7479 "Exclude articles that are marked with MARKS (e.g. \"DK\").
7480 If REVERSE, limit the summary buffer to articles that are marked
7481 with MARKS. MARKS can either be a string of marks or a list of marks.
7482 Returns how many articles were removed."
7483 (interactive "sMarks: ")
7484 (gnus-summary-limit-to-marks marks t))
7486 (defun gnus-summary-limit-to-marks (marks &optional reverse)
7487 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
7488 If REVERSE (the prefix), limit the summary buffer to articles that are
7489 not marked with MARKS. MARKS can either be a string of marks or a
7491 Returns how many articles were removed."
7492 (interactive "sMarks: \nP")
7494 (let ((data gnus-newsgroup-data)
7495 (marks (if (listp marks) marks
7496 (append marks nil))) ; Transform to list.
7499 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
7500 (memq (gnus-data-mark (car data)) marks))
7501 (push (gnus-data-number (car data)) articles))
7502 (setq data (cdr data)))
7503 (gnus-summary-limit articles))
7504 (gnus-summary-position-point)))
7506 (defun gnus-summary-limit-to-score (score)
7507 "Limit to articles with score at or above SCORE."
7508 (interactive "NLimit to articles with score of at least: ")
7509 (let ((data gnus-newsgroup-data)
7512 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
7514 (push (gnus-data-number (car data)) articles))
7515 (setq data (cdr data)))
7517 (gnus-summary-limit articles)
7518 (gnus-summary-position-point))))
7520 (defun gnus-summary-limit-to-unseen ()
7521 "Limit to unseen articles."
7524 (gnus-summary-limit gnus-newsgroup-unseen)
7525 (gnus-summary-position-point)))
7527 (defun gnus-summary-limit-include-thread (id)
7528 "Display all the hidden articles that is in the thread with ID in it.
7529 When called interactively, ID is the Message-ID of the current
7531 (interactive (list (mail-header-id (gnus-summary-article-header))))
7532 (let ((articles (gnus-articles-in-thread
7533 (gnus-id-to-thread (gnus-root-id id)))))
7535 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
7536 (gnus-summary-limit-include-matching-articles
7538 (regexp-quote (gnus-simplify-subject-re
7539 (mail-header-subject (gnus-id-to-header id)))))
7540 (gnus-summary-position-point))))
7542 (defun gnus-summary-limit-include-matching-articles (header regexp)
7543 "Display all the hidden articles that have HEADERs that match REGEXP."
7544 (interactive (list (read-string "Match on header: ")
7545 (read-string "Regexp: ")))
7546 (let ((articles (gnus-find-matching-articles header regexp)))
7548 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
7549 (gnus-summary-position-point))))
7551 (defun gnus-summary-insert-dormant-articles ()
7552 "Insert all the dormat articles for this group into the current buffer."
7554 (let ((gnus-verbose (max 6 gnus-verbose)))
7555 (if (not gnus-newsgroup-dormant)
7556 (gnus-message 3 "No cached articles for this group")
7557 (gnus-summary-goto-subjects gnus-newsgroup-dormant))))
7559 (defun gnus-summary-limit-include-dormant ()
7560 "Display all the hidden articles that are marked as dormant.
7561 Note that this command only works on a subset of the articles currently
7562 fetched for this group."
7564 (unless gnus-newsgroup-dormant
7565 (error "There are no dormant articles in this group"))
7567 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
7568 (gnus-summary-position-point)))
7570 (defun gnus-summary-limit-exclude-dormant ()
7571 "Hide all dormant articles."
7574 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
7575 (gnus-summary-position-point)))
7577 (defun gnus-summary-limit-exclude-childless-dormant ()
7578 "Hide all dormant articles that have no children."
7580 (let ((data (gnus-data-list t))
7581 articles d children)
7582 ;; Find all articles that are either not dormant or have
7584 (while (setq d (pop data))
7585 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
7587 (gnus-article-children (gnus-data-number d)))
7590 (when (memq (car children) articles)
7595 (push (gnus-data-number d) articles)))
7598 (gnus-summary-limit articles)
7599 (gnus-summary-position-point))))
7601 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
7602 "Mark all unread excluded articles as read.
7603 If ALL, mark even excluded ticked and dormants as read."
7605 (setq gnus-newsgroup-limit (sort gnus-newsgroup-limit '<))
7606 (let ((articles (gnus-sorted-ndifference
7608 (mapcar (lambda (h) (mail-header-number h))
7609 gnus-newsgroup-headers)
7611 gnus-newsgroup-limit))
7613 (setq gnus-newsgroup-unreads
7614 (gnus-sorted-intersection gnus-newsgroup-unreads
7615 gnus-newsgroup-limit))
7617 (setq gnus-newsgroup-dormant nil
7618 gnus-newsgroup-marked nil
7619 gnus-newsgroup-reads
7621 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
7622 gnus-newsgroup-reads))
7623 (while (setq article (pop articles))
7624 (unless (or (memq article gnus-newsgroup-dormant)
7625 (memq article gnus-newsgroup-marked))
7626 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
7628 (defun gnus-summary-limit (articles &optional pop)
7630 ;; We pop the previous limit off the stack and use that.
7631 (setq articles (car gnus-newsgroup-limits)
7632 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
7633 ;; We use the new limit, so we push the old limit on the stack.
7634 (push gnus-newsgroup-limit gnus-newsgroup-limits))
7636 (setq gnus-newsgroup-limit articles)
7637 (let ((total (length gnus-newsgroup-data))
7638 (data (gnus-data-find-list (gnus-summary-article-number)))
7639 (gnus-summary-mark-below nil) ; Inhibit this.
7641 ;; This will do all the work of generating the new summary buffer
7642 ;; according to the new limit.
7643 (gnus-summary-prepare)
7644 ;; Hide any threads, possibly.
7645 (gnus-summary-maybe-hide-threads)
7646 ;; Try to return to the article you were at, or one in the
7649 ;; We try to find some article after the current one.
7651 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
7654 (setq data (cdr data))))
7656 ;; If there is no data, that means that we were after the last
7657 ;; article. The same goes when we can't find any articles
7658 ;; after the current one.
7659 (goto-char (point-max))
7660 (gnus-summary-find-prev))
7661 (gnus-set-mode-line 'summary)
7662 ;; We return how many articles were removed from the summary
7663 ;; buffer as a result of the new limit.
7664 (- total (length gnus-newsgroup-data))))
7666 (defsubst gnus-invisible-cut-children (threads)
7669 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
7674 (defsubst gnus-cut-thread (thread)
7675 "Go forwards in the thread until we find an article that we want to display."
7676 (when (or (eq gnus-fetch-old-headers 'some)
7677 (eq gnus-fetch-old-headers 'invisible)
7678 (numberp gnus-fetch-old-headers)
7679 (eq gnus-build-sparse-threads 'some)
7680 (eq gnus-build-sparse-threads 'more))
7681 ;; Deal with old-fetched headers and sparse threads.
7685 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
7686 (gnus-summary-article-ancient-p
7687 (mail-header-number (car thread))))
7688 (if (or (<= (length (cdr thread)) 1)
7689 (eq gnus-fetch-old-headers 'invisible))
7690 (setq gnus-newsgroup-limit
7691 (delq (mail-header-number (car thread))
7692 gnus-newsgroup-limit)
7693 thread (cadr thread))
7694 (when (gnus-invisible-cut-children (cdr thread))
7695 (let ((th (cdr thread)))
7697 (if (memq (mail-header-number (caar th))
7698 gnus-newsgroup-limit)
7699 (setq thread (car th)
7701 (setq th (cdr th))))))))))
7704 (defun gnus-cut-threads (threads)
7705 "Cut off all uninteresting articles from the beginning of threads."
7706 (when (or (eq gnus-fetch-old-headers 'some)
7707 (eq gnus-fetch-old-headers 'invisible)
7708 (numberp gnus-fetch-old-headers)
7709 (eq gnus-build-sparse-threads 'some)
7710 (eq gnus-build-sparse-threads 'more))
7713 (setcar th (gnus-cut-thread (car th)))
7714 (setq th (cdr th)))))
7715 ;; Remove nixed out threads.
7718 (defun gnus-summary-initial-limit (&optional show-if-empty)
7719 "Figure out what the initial limit is supposed to be on group entry.
7720 This entails weeding out unwanted dormants, low-scored articles,
7721 fetch-old-headers verbiage, and so on."
7722 ;; Most groups have nothing to remove.
7723 (if (or gnus-inhibit-limiting
7724 (and (null gnus-newsgroup-dormant)
7725 (eq gnus-newsgroup-display 'gnus-not-ignore)
7726 (not (eq gnus-fetch-old-headers 'some))
7727 (not (numberp gnus-fetch-old-headers))
7728 (not (eq gnus-fetch-old-headers 'invisible))
7729 (null gnus-summary-expunge-below)
7730 (not (eq gnus-build-sparse-threads 'some))
7731 (not (eq gnus-build-sparse-threads 'more))
7732 (null gnus-thread-expunge-below)
7733 (not gnus-use-nocem)))
7735 (push gnus-newsgroup-limit gnus-newsgroup-limits)
7736 (setq gnus-newsgroup-limit nil)
7739 (unless (car (symbol-value node))
7740 ;; These threads have no parents -- they are roots.
7741 (let ((nodes (cdr (symbol-value node)))
7744 (if (and gnus-thread-expunge-below
7745 (< (gnus-thread-total-score (car nodes))
7746 gnus-thread-expunge-below))
7747 (gnus-expunge-thread (pop nodes))
7748 (setq thread (pop nodes))
7749 (gnus-summary-limit-children thread))))))
7750 gnus-newsgroup-dependencies)
7751 ;; If this limitation resulted in an empty group, we might
7752 ;; pop the previous limit and use it instead.
7753 (when (and (not gnus-newsgroup-limit)
7755 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
7756 gnus-newsgroup-limit))
7758 (defun gnus-summary-limit-children (thread)
7759 "Return 1 if this subthread is visible and 0 if it is not."
7760 ;; First we get the number of visible children to this thread. This
7761 ;; is done by recursing down the thread using this function, so this
7762 ;; will really go down to a leaf article first, before slowly
7763 ;; working its way up towards the root.
7765 (let* ((max-lisp-eval-depth 5000)
7768 (apply '+ (mapcar 'gnus-summary-limit-children
7771 (number (mail-header-number (car thread)))
7774 (not (memq number gnus-newsgroup-marked))
7776 ;; If this article is dormant and has absolutely no visible
7777 ;; children, then this article isn't visible.
7778 (and (memq number gnus-newsgroup-dormant)
7780 ;; If this is "fetch-old-headered" and there is no
7781 ;; visible children, then we don't want this article.
7782 (and (or (eq gnus-fetch-old-headers 'some)
7783 (numberp gnus-fetch-old-headers))
7784 (gnus-summary-article-ancient-p number)
7786 ;; If this is "fetch-old-headered" and `invisible', then
7787 ;; we don't want this article.
7788 (and (eq gnus-fetch-old-headers 'invisible)
7789 (gnus-summary-article-ancient-p number))
7790 ;; If this is a sparsely inserted article with no children,
7791 ;; we don't want it.
7792 (and (eq gnus-build-sparse-threads 'some)
7793 (gnus-summary-article-sparse-p number)
7795 ;; If we use expunging, and this article is really
7796 ;; low-scored, then we don't want this article.
7797 (when (and gnus-summary-expunge-below
7799 (or (cdr (assq number gnus-newsgroup-scored))
7800 gnus-summary-default-score))
7801 gnus-summary-expunge-below))
7802 ;; We increase the expunge-tally here, but that has
7803 ;; nothing to do with the limits, really.
7804 (incf gnus-newsgroup-expunged-tally)
7805 ;; We also mark as read here, if that's wanted.
7806 (when (and gnus-summary-mark-below
7807 (< score gnus-summary-mark-below))
7808 (setq gnus-newsgroup-unreads
7809 (delq number gnus-newsgroup-unreads))
7810 (if gnus-newsgroup-auto-expire
7811 (push number gnus-newsgroup-expirable)
7812 (push (cons number gnus-low-score-mark)
7813 gnus-newsgroup-reads)))
7815 ;; Do the `display' group parameter.
7816 (and gnus-newsgroup-display
7817 (not (funcall gnus-newsgroup-display)))
7818 ;; Check NoCeM things.
7819 (if (and gnus-use-nocem
7820 (gnus-nocem-unwanted-article-p
7821 (mail-header-id (car thread))))
7823 (setq gnus-newsgroup-unreads
7824 (delq number gnus-newsgroup-unreads))
7826 ;; Nope, invisible article.
7828 ;; Ok, this article is to be visible, so we add it to the limit
7830 (push number gnus-newsgroup-limit)
7833 (defun gnus-expunge-thread (thread)
7834 "Mark all articles in THREAD as read."
7835 (let* ((number (mail-header-number (car thread))))
7836 (incf gnus-newsgroup-expunged-tally)
7837 ;; We also mark as read here, if that's wanted.
7838 (setq gnus-newsgroup-unreads
7839 (delq number gnus-newsgroup-unreads))
7840 (if gnus-newsgroup-auto-expire
7841 (push number gnus-newsgroup-expirable)
7842 (push (cons number gnus-low-score-mark)
7843 gnus-newsgroup-reads)))
7844 ;; Go recursively through all subthreads.
7845 (mapcar 'gnus-expunge-thread (cdr thread)))
7847 ;; Summary article oriented commands
7849 (defun gnus-summary-refer-parent-article (n)
7850 "Refer parent article N times.
7851 If N is negative, go to ancestor -N instead.
7852 The difference between N and the number of articles fetched is returned."
7856 (when (not (natnump n))
7861 (setq header (gnus-summary-article-header))
7862 (if (and (eq (mail-header-number header)
7863 (cdr gnus-article-current))
7864 (equal gnus-newsgroup-name
7865 (car gnus-article-current)))
7866 ;; If we try to find the parent of the currently
7867 ;; displayed article, then we take a look at the actual
7868 ;; References header, since this is slightly more
7869 ;; reliable than the References field we got from the
7872 (set-buffer gnus-original-article-buffer)
7873 (nnheader-narrow-to-headers)
7874 (unless (setq ref (message-fetch-field "references"))
7875 (setq ref (message-fetch-field "in-reply-to")))
7878 ;; It's not the current article, so we take a bet on
7879 ;; the value we got from the server.
7880 (mail-header-references header)))
7882 (not (equal ref "")))
7883 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
7884 (gnus-message 1 "Couldn't find parent"))
7885 (gnus-message 1 "No references in article %d"
7886 (gnus-summary-article-number))
7889 (gnus-summary-position-point)
7892 (defun gnus-summary-refer-references ()
7893 "Fetch all articles mentioned in the References header.
7894 Return the number of articles fetched."
7896 (let ((ref (mail-header-references (gnus-summary-article-header)))
7897 (current (gnus-summary-article-number))
7901 (error "No References in the current article")
7902 ;; For each Message-ID in the References header...
7903 (while (string-match "<[^>]*>" ref)
7905 ;; ... fetch that article.
7906 (gnus-summary-refer-article
7907 (prog1 (match-string 0 ref)
7908 (setq ref (substring ref (match-end 0))))))
7909 (gnus-summary-goto-subject current)
7910 (gnus-summary-position-point)
7913 (defun gnus-summary-refer-thread (&optional limit)
7914 "Fetch all articles in the current thread.
7915 If LIMIT (the numerical prefix), fetch that many old headers instead
7916 of what's specified by the `gnus-refer-thread-limit' variable."
7918 (let ((id (mail-header-id (gnus-summary-article-header)))
7919 (limit (if limit (prefix-numeric-value limit)
7920 gnus-refer-thread-limit)))
7921 ;; We want to fetch LIMIT *old* headers, but we also have to
7922 ;; re-fetch all the headers in the current buffer, because many of
7923 ;; them may be undisplayed. So we adjust LIMIT.
7924 (when (numberp limit)
7925 (incf limit (- gnus-newsgroup-end gnus-newsgroup-begin)))
7926 (unless (eq gnus-fetch-old-headers 'invisible)
7927 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
7928 ;; Retrieve the headers and read them in.
7929 (if (eq (gnus-retrieve-headers
7930 (list gnus-newsgroup-end) gnus-newsgroup-name limit)
7932 (gnus-build-all-threads)
7933 (error "Can't fetch thread from backends that don't support NOV"))
7934 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
7935 (gnus-summary-limit-include-thread id)))
7937 (defun gnus-summary-refer-article (message-id)
7938 "Fetch an article specified by MESSAGE-ID."
7939 (interactive "sMessage-ID: ")
7940 (when (and (stringp message-id)
7941 (not (zerop (length message-id))))
7942 ;; Construct the correct Message-ID if necessary.
7943 ;; Suggested by tale@pawl.rpi.edu.
7944 (unless (string-match "^<" message-id)
7945 (setq message-id (concat "<" message-id)))
7946 (unless (string-match ">$" message-id)
7947 (setq message-id (concat message-id ">")))
7948 (let* ((header (gnus-id-to-header message-id))
7950 (gnus-summary-article-sparse-p
7951 (mail-header-number header))
7952 (memq (mail-header-number header)
7953 gnus-newsgroup-limit)))
7956 ;; If the article is present in the buffer we just go to it.
7958 (or (not (gnus-summary-article-sparse-p
7959 (mail-header-number header)))
7962 (gnus-summary-goto-article
7963 (mail-header-number header) nil t)
7965 (gnus-summary-update-article (mail-header-number header)))))
7967 ;; We fetch the article.
7969 (dolist (gnus-override-method (gnus-refer-article-methods))
7970 (gnus-check-server gnus-override-method)
7971 ;; Fetch the header, and display the article.
7972 (when (setq number (gnus-summary-insert-subject message-id))
7973 (gnus-summary-select-article nil nil nil number)
7975 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
7977 (defun gnus-refer-article-methods ()
7978 "Return a list of referable methods."
7980 ;; No method, so we default to current and native.
7981 ((null gnus-refer-article-method)
7982 (list gnus-current-select-method gnus-select-method))
7984 ((eq 'current gnus-refer-article-method)
7985 (list gnus-current-select-method))
7986 ;; List of select methods.
7987 ((not (and (symbolp (car gnus-refer-article-method))
7988 (assq (car gnus-refer-article-method) nnoo-definition-alist)))
7990 (dolist (method gnus-refer-article-method)
7991 (push (if (eq 'current method)
7992 gnus-current-select-method
7996 ;; One single select method.
7998 (list gnus-refer-article-method))))
8000 (defun gnus-summary-edit-parameters ()
8001 "Edit the group parameters of the current group."
8003 (gnus-group-edit-group gnus-newsgroup-name 'params))
8005 (defun gnus-summary-customize-parameters ()
8006 "Customize the group parameters of the current group."
8008 (gnus-group-customize gnus-newsgroup-name))
8010 (defun gnus-summary-enter-digest-group (&optional force)
8011 "Enter an nndoc group based on the current article.
8012 If FORCE, force a digest interpretation. If not, try
8013 to guess what the document format is."
8015 (let ((conf gnus-current-window-configuration))
8017 (gnus-summary-select-article))
8018 (setq gnus-current-window-configuration conf)
8019 (let* ((name (format "%s-%d"
8020 (gnus-group-prefixed-name
8021 gnus-newsgroup-name (list 'nndoc ""))
8023 (set-buffer gnus-summary-buffer)
8024 gnus-current-article)))
8025 (ogroup gnus-newsgroup-name)
8026 (params (append (gnus-info-params (gnus-get-info ogroup))
8027 (list (cons 'to-group ogroup))
8028 (list (cons 'save-article-group ogroup))))
8029 (case-fold-search t)
8030 (buf (current-buffer))
8033 (set-buffer gnus-original-article-buffer)
8034 ;; Have the digest group inherit the main mail address of
8035 ;; the parent article.
8036 (when (setq to-address (or (gnus-fetch-field "reply-to")
8037 (gnus-fetch-field "from")))
8038 (setq params (append
8039 (list (cons 'to-address
8040 (funcall gnus-decode-encoded-word-function
8042 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
8043 (insert-buffer-substring gnus-original-article-buffer)
8044 ;; Remove lines that may lead nndoc to misinterpret the
8047 (goto-char (point-min))
8048 (or (search-forward "\n\n" nil t) (point)))
8049 (goto-char (point-min))
8050 (delete-matching-lines "^Path:\\|^From ")
8053 (if (let ((gnus-newsgroup-ephemeral-charset gnus-newsgroup-charset)
8054 (gnus-newsgroup-ephemeral-ignored-charsets
8055 gnus-newsgroup-ignored-charsets))
8056 (gnus-group-read-ephemeral-group
8057 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
8059 ,(if force 'mbox 'guess)))
8061 `((adapt-file . ,(gnus-score-file-name gnus-newsgroup-name
8063 ;; Make all postings to this group go to the parent group.
8064 (nconc (gnus-info-params (gnus-get-info name))
8066 ;; Couldn't select this doc group.
8067 (switch-to-buffer buf)
8068 (gnus-set-global-variables)
8069 (gnus-configure-windows 'summary)
8070 (gnus-message 3 "Article couldn't be entered?"))
8071 (kill-buffer dig)))))
8073 (defun gnus-summary-read-document (n)
8074 "Open a new group based on the current article(s).
8075 This will allow you to read digests and other similar
8076 documents as newsgroups.
8077 Obeys the standard process/prefix convention."
8079 (let* ((articles (gnus-summary-work-articles n))
8080 (ogroup gnus-newsgroup-name)
8081 (params (append (gnus-info-params (gnus-get-info ogroup))
8082 (list (cons 'to-group ogroup))))
8083 article group egroup groups vgroup)
8084 (while (setq article (pop articles))
8085 (setq group (format "%s-%d" gnus-newsgroup-name article))
8086 (gnus-summary-remove-process-mark article)
8087 (when (gnus-summary-display-article article)
8090 (insert-buffer-substring gnus-original-article-buffer)
8091 ;; Remove some headers that may lead nndoc to make
8093 (message-narrow-to-head)
8094 (goto-char (point-min))
8095 (delete-matching-lines "^\\(Path\\):\\|^From ")
8098 (gnus-group-read-ephemeral-group
8099 group `(nndoc ,group (nndoc-address ,(current-buffer))
8100 (nndoc-article-type guess))
8103 ;; Make all postings to this group go to the parent group.
8104 (nconc (gnus-info-params (gnus-get-info egroup))
8106 (push egroup groups))
8107 ;; Couldn't select this doc group.
8108 (gnus-error 3 "Article couldn't be entered"))))))
8109 ;; Now we have selected all the documents.
8112 (error "None of the articles could be interpreted as documents"))
8113 ((gnus-group-read-ephemeral-group
8114 (setq vgroup (format
8115 "nnvirtual:%s-%s" gnus-newsgroup-name
8116 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
8117 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
8119 (cons (current-buffer) 'summary)))
8121 (error "Couldn't select virtual nndoc group")))))
8123 (defun gnus-summary-isearch-article (&optional regexp-p)
8124 "Do incremental search forward on the current article.
8125 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
8127 (gnus-summary-select-article)
8128 (gnus-configure-windows 'article)
8129 (gnus-eval-in-buffer-window gnus-article-buffer
8132 (isearch-forward regexp-p))))
8134 (defun gnus-summary-search-article-forward (regexp &optional backward)
8135 "Search for an article containing REGEXP forward.
8136 If BACKWARD, search backward instead."
8139 (format "Search article %s (regexp%s): "
8140 (if current-prefix-arg "backward" "forward")
8141 (if gnus-last-search-regexp
8142 (concat ", default " gnus-last-search-regexp)
8144 current-prefix-arg))
8145 (if (string-equal regexp "")
8146 (setq regexp (or gnus-last-search-regexp ""))
8147 (setq gnus-last-search-regexp regexp)
8148 (setq gnus-article-before-search gnus-current-article))
8149 ;; Intentionally set gnus-last-article.
8150 (setq gnus-last-article gnus-article-before-search)
8151 (let ((gnus-last-article gnus-last-article))
8152 (if (gnus-summary-search-article regexp backward)
8153 (gnus-summary-show-thread)
8154 (error "Search failed: \"%s\"" regexp))))
8156 (defun gnus-summary-search-article-backward (regexp)
8157 "Search for an article containing REGEXP backward."
8160 (format "Search article backward (regexp%s): "
8161 (if gnus-last-search-regexp
8162 (concat ", default " gnus-last-search-regexp)
8164 (gnus-summary-search-article-forward regexp 'backward))
8166 (defun gnus-summary-search-article (regexp &optional backward)
8167 "Search for an article containing REGEXP.
8168 Optional argument BACKWARD means do search for backward.
8169 `gnus-select-article-hook' is not called during the search."
8170 ;; We have to require this here to make sure that the following
8171 ;; dynamic binding isn't shadowed by autoloading.
8172 (require 'gnus-async)
8174 (let ((gnus-select-article-hook nil) ;Disable hook.
8175 (gnus-article-prepare-hook nil)
8176 (gnus-mark-article-hook nil) ;Inhibit marking as read.
8177 (gnus-use-article-prefetch nil)
8178 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
8179 (gnus-use-trees nil) ;Inhibit updating tree buffer.
8180 (sum (current-buffer))
8181 (gnus-display-mime-function nil)
8184 (gnus-save-hidden-threads
8185 (gnus-summary-select-article)
8186 (set-buffer gnus-article-buffer)
8187 (goto-char (window-point (get-buffer-window (current-buffer))))
8191 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
8193 (re-search-backward regexp nil t)
8194 (re-search-forward regexp nil t))
8195 ;; We found the regexp.
8200 (get-buffer-window (current-buffer))
8204 (get-buffer-window (current-buffer))
8207 (setq point (point)))
8208 ;; We didn't find it, so we go to the next article.
8211 (while (eq found 'not)
8212 (if (not (if backward (gnus-summary-find-prev)
8213 (gnus-summary-find-next)))
8214 ;; No more articles.
8216 ;; Select the next article and adjust point.
8217 (unless (gnus-summary-article-sparse-p
8218 (gnus-summary-article-number))
8220 (gnus-summary-select-article)
8221 (set-buffer gnus-article-buffer)
8223 (goto-char (if backward (point-max) (point-min))))))))
8224 (gnus-message 7 ""))
8225 ;; Return whether we found the regexp.
8226 (when (eq found 'found)
8228 (gnus-summary-show-thread)
8229 (gnus-summary-goto-subject gnus-current-article)
8230 (gnus-summary-position-point)
8233 (defun gnus-find-matching-articles (header regexp)
8234 "Return a list of all articles that match REGEXP on HEADER.
8235 This search includes all articles in the current group that Gnus has
8236 fetched headers for, whether they are displayed or not."
8237 (let ((articles nil)
8238 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
8239 (case-fold-search t))
8240 (dolist (header gnus-newsgroup-headers)
8241 (when (string-match regexp (funcall func header))
8242 (push (mail-header-number header) articles)))
8243 (nreverse articles)))
8245 (defun gnus-summary-find-matching (header regexp &optional backward unread
8246 not-case-fold not-matching)
8247 "Return a list of all articles that match REGEXP on HEADER.
8248 The search stars on the current article and goes forwards unless
8249 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
8250 If UNREAD is non-nil, only unread articles will
8251 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
8252 in the comparisons. If NOT-MATCHING, return a list of all articles that
8253 not match REGEXP on HEADER."
8254 (let ((case-fold-search (not not-case-fold))
8257 (if (eq (car header) 'extra)
8260 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
8262 (error "%s is an invalid header" header))
8263 (unless (fboundp (intern (concat "mail-header-" header)))
8264 (error "%s is not a valid header" header))
8265 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
8266 (dolist (d (if (eq backward 'all)
8268 (gnus-data-find-list
8269 (gnus-summary-article-number)
8270 (gnus-data-list backward))))
8271 (when (and (or (not unread) ; We want all articles...
8272 (gnus-data-unread-p d)) ; Or just unreads.
8273 (vectorp (gnus-data-header d)) ; It's not a pseudo.
8277 (funcall func (gnus-data-header d))))
8278 (string-match regexp
8279 (funcall func (gnus-data-header d)))))
8280 (push (gnus-data-number d) articles))) ; Success!
8281 (nreverse articles)))
8283 (defun gnus-summary-execute-command (header regexp command &optional backward)
8284 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
8285 If HEADER is an empty string (or nil), the match is done on the entire
8286 article. If BACKWARD (the prefix) is non-nil, search backward instead."
8288 (list (let ((completion-ignore-case t))
8291 (mapcar (lambda (header) (list (format "%s" header)))
8293 '("Number" "Subject" "From" "Lines" "Date"
8294 "Message-ID" "Xref" "References" "Body")
8295 gnus-extra-headers))
8296 nil 'require-match))
8297 (read-string "Regexp: ")
8298 (read-key-sequence "Command: ")
8299 current-prefix-arg))
8300 (when (equal header "Body")
8302 ;; Hidden thread subtrees must be searched as well.
8303 (gnus-summary-show-all-threads)
8304 ;; We don't want to change current point nor window configuration.
8306 (save-window-excursion
8308 gnus-treat-strip-trailing-blank-lines
8309 gnus-treat-strip-leading-blank-lines
8310 gnus-treat-strip-multiple-blank-lines
8311 gnus-treat-hide-boring-headers
8312 gnus-treat-fold-newsgroups
8313 gnus-article-prepare-hook)
8314 (gnus-message 6 "Executing %s..." (key-description command))
8315 ;; We'd like to execute COMMAND interactively so as to give arguments.
8316 (gnus-execute header regexp
8317 `(call-interactively ',(key-binding command))
8319 (gnus-message 6 "Executing %s...done" (key-description command))))))
8321 (defun gnus-summary-beginning-of-article ()
8322 "Scroll the article back to the beginning."
8324 (gnus-summary-select-article)
8325 (gnus-configure-windows 'article)
8326 (gnus-eval-in-buffer-window gnus-article-buffer
8328 (goto-char (point-min))
8329 (when gnus-page-broken
8330 (gnus-narrow-to-page))))
8332 (defun gnus-summary-end-of-article ()
8333 "Scroll to the end of the article."
8335 (gnus-summary-select-article)
8336 (gnus-configure-windows 'article)
8337 (gnus-eval-in-buffer-window gnus-article-buffer
8339 (goto-char (point-max))
8341 (when gnus-page-broken
8342 (gnus-narrow-to-page))))
8344 (defun gnus-summary-print-truncate-and-quote (string &optional len)
8345 "Truncate to LEN and quote all \"(\"'s in STRING."
8346 (gnus-replace-in-string (if (and len (> (length string) len))
8347 (substring string 0 len)
8351 (defun gnus-summary-print-article (&optional filename n)
8352 "Generate and print a PostScript image of the N next (mail) articles.
8354 If N is negative, print the N previous articles. If N is nil and articles
8355 have been marked with the process mark, print these instead.
8357 If the optional first argument FILENAME is nil, send the image to the
8358 printer. If FILENAME is a string, save the PostScript image in a file with
8359 that name. If FILENAME is a number, prompt the user for the name of the file
8361 (interactive (list (ps-print-preprint current-prefix-arg)))
8362 (dolist (article (gnus-summary-work-articles n))
8363 (gnus-summary-select-article nil nil 'pseudo article)
8364 (gnus-eval-in-buffer-window gnus-article-buffer
8365 (gnus-print-buffer))
8366 (gnus-summary-remove-process-mark article))
8367 (ps-despool filename))
8369 (defun gnus-print-buffer ()
8370 (let ((buffer (generate-new-buffer " *print*")))
8373 (copy-to-buffer buffer (point-min) (point-max))
8375 (gnus-article-delete-invisible-text)
8376 (gnus-remove-text-with-property 'gnus-decoration)
8377 (when (gnus-visual-p 'article-highlight 'highlight)
8378 ;; Copy-to-buffer doesn't copy overlay. So redo
8380 (let ((gnus-article-buffer buffer))
8381 (gnus-article-highlight-citation t)
8382 (gnus-article-highlight-signature)))
8383 (let ((ps-left-header
8386 (gnus-summary-print-truncate-and-quote
8387 (mail-header-subject gnus-current-headers)
8390 (gnus-summary-print-truncate-and-quote
8391 (mail-header-from gnus-current-headers)
8395 "/pagenumberstring load"
8397 (mail-header-date gnus-current-headers) ")"))))
8398 (gnus-run-hooks 'gnus-ps-print-hook)
8401 (ps-spool-buffer-with-faces)
8402 (ps-spool-buffer)))))
8403 (kill-buffer buffer))))
8405 (defun gnus-summary-show-article (&optional arg)
8406 "Force redisplaying of the current article.
8407 If ARG (the prefix) is a number, show the article with the charset
8408 defined in `gnus-summary-show-article-charset-alist', or the charset
8410 If ARG (the prefix) is non-nil and not a number, show the raw article
8411 without any article massaging functions being run. Normally, the key strokes
8416 (gnus-summary-show-article t)
8417 (let ((gnus-newsgroup-charset
8418 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
8419 (mm-read-coding-system
8420 "View as charset: " ;; actually it is coding system.
8422 (set-buffer gnus-article-buffer)
8423 (mm-detect-coding-region (point) (point-max))))))
8424 (gnus-newsgroup-ignored-charsets 'gnus-all))
8425 (gnus-summary-select-article nil 'force)
8426 (let ((deps gnus-newsgroup-dependencies)
8429 (set-buffer gnus-original-article-buffer)
8431 (message-narrow-to-head)
8432 (setq head (buffer-string))
8433 (goto-char (point-min))
8434 (unless (re-search-forward "^lines:[ \t]\\([0-9]+\\)" nil t)
8435 (goto-char (point-max))
8437 (setq lines (1- (count-lines (point) (point-max))))))
8439 (insert (format "211 %d Article retrieved.\n"
8440 (cdr gnus-article-current)))
8442 (if lines (insert (format "Lines: %d\n" lines)))
8444 (let ((nntp-server-buffer (current-buffer)))
8445 (setq header (car (gnus-get-newsgroup-headers deps t))))))
8446 (gnus-data-set-header
8447 (gnus-data-find (cdr gnus-article-current))
8449 (gnus-summary-update-article-line
8450 (cdr gnus-article-current) header)
8451 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
8452 (gnus-summary-update-secondary-mark (cdr gnus-article-current))))))
8454 ;; Select the article the normal way.
8455 (gnus-summary-select-article nil 'force))
8457 ;; We have to require this here to make sure that the following
8458 ;; dynamic binding isn't shadowed by autoloading.
8459 (require 'gnus-async)
8461 ;; Bind the article treatment functions to nil.
8462 (let ((gnus-have-all-headers t)
8463 gnus-article-prepare-hook
8464 gnus-article-decode-hook
8465 gnus-display-mime-function
8467 ;; Destroy any MIME parts.
8468 (when (gnus-buffer-live-p gnus-article-buffer)
8470 (set-buffer gnus-article-buffer)
8471 (mm-destroy-parts gnus-article-mime-handles)
8472 ;; Set it to nil for safety reason.
8473 (setq gnus-article-mime-handle-alist nil)
8474 (setq gnus-article-mime-handles nil)))
8475 (gnus-summary-select-article nil 'force))))
8476 (gnus-summary-goto-subject gnus-current-article)
8477 (gnus-summary-position-point))
8479 (defun gnus-summary-show-raw-article ()
8480 "Show the raw article without any article massaging functions being run."
8482 (gnus-summary-show-article t))
8484 (defun gnus-summary-verbose-headers (&optional arg)
8485 "Toggle permanent full header display.
8486 If ARG is a positive number, turn header display on.
8487 If ARG is a negative number, turn header display off."
8489 (setq gnus-show-all-headers
8490 (cond ((or (not (numberp arg))
8492 (not gnus-show-all-headers))
8495 (gnus-summary-show-article))
8497 (defun gnus-summary-toggle-header (&optional arg)
8498 "Show the headers if they are hidden, or hide them if they are shown.
8499 If ARG is a positive number, show the entire header.
8500 If ARG is a negative number, hide the unwanted header lines."
8502 (let ((window (and (gnus-buffer-live-p gnus-article-buffer)
8503 (get-buffer-window gnus-article-buffer t))))
8504 (with-current-buffer gnus-article-buffer
8506 (article-narrow-to-head)
8507 (let* ((buffer-read-only nil)
8508 (inhibit-point-motion-hooks t)
8509 (hidden (if (numberp arg)
8511 (gnus-article-hidden-text-p 'headers)))
8513 (delete-region (point-min) (point-max))
8514 (with-current-buffer gnus-original-article-buffer
8515 (goto-char (setq s (point-min)))
8516 (setq e (if (search-forward "\n\n" nil t)
8519 (insert-buffer-substring gnus-original-article-buffer s e)
8520 (article-decode-encoded-words)
8522 (let ((gnus-treat-hide-headers nil)
8523 (gnus-treat-hide-boring-headers nil))
8524 (gnus-delete-wash-type 'headers)
8525 (gnus-treat-article 'head))
8526 (gnus-treat-article 'head))
8529 (set-window-start window (goto-char (point-min))))
8530 (setq gnus-page-broken
8531 (when gnus-break-pages
8532 (gnus-narrow-to-page)
8534 (gnus-set-mode-line 'article)))))
8536 (defun gnus-summary-show-all-headers ()
8537 "Make all header lines visible."
8539 (gnus-summary-toggle-header 1))
8541 (defun gnus-summary-caesar-message (&optional arg)
8542 "Caesar rotate the current article by 13.
8543 The numerical prefix specifies how many places to rotate each letter
8546 (gnus-summary-select-article)
8547 (let ((mail-header-separator ""))
8548 (gnus-eval-in-buffer-window gnus-article-buffer
8551 (let ((start (window-start))
8553 (message-caesar-buffer-body arg)
8554 (set-window-start (get-buffer-window (current-buffer)) start))))))
8556 (autoload 'unmorse-region "morse"
8557 "Convert morse coded text in region to ordinary ASCII text."
8560 (defun gnus-summary-morse-message (&optional arg)
8561 "Morse decode the current article."
8563 (gnus-summary-select-article)
8564 (let ((mail-header-separator ""))
8565 (gnus-eval-in-buffer-window gnus-article-buffer
8569 (let ((pos (window-start))
8571 (goto-char (point-min))
8572 (when (message-goto-body)
8573 (gnus-narrow-to-body))
8574 (goto-char (point-min))
8575 (while (re-search-forward "·" (point-max) t)
8576 (replace-match "."))
8577 (unmorse-region (point-min) (point-max))
8579 (set-window-start (get-buffer-window (current-buffer)) pos)))))))
8581 (defun gnus-summary-stop-page-breaking ()
8582 "Stop page breaking in the current article."
8584 (gnus-summary-select-article)
8585 (gnus-eval-in-buffer-window gnus-article-buffer
8587 (when (gnus-visual-p 'page-marker)
8588 (let ((buffer-read-only nil))
8589 (gnus-remove-text-with-property 'gnus-prev)
8590 (gnus-remove-text-with-property 'gnus-next))
8591 (setq gnus-page-broken nil))))
8593 (defun gnus-summary-move-article (&optional n to-newsgroup
8594 select-method action)
8595 "Move the current article to a different newsgroup.
8596 If N is a positive number, move the N next articles.
8597 If N is a negative number, move the N previous articles.
8598 If N is nil and any articles have been marked with the process mark,
8599 move those articles instead.
8600 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
8601 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
8602 re-spool using this method.
8604 When called interactively with TO-NEWSGROUP being nil, the value of
8605 the variable `gnus-move-split-methods' is used for finding a default
8606 for the target newsgroup.
8608 For this function to work, both the current newsgroup and the
8609 newsgroup that you want to move to have to support the `request-move'
8610 and `request-accept' functions.
8612 ACTION can be either `move' (the default), `crosspost' or `copy'."
8615 (setq action 'move))
8616 ;; Check whether the source group supports the required functions.
8617 (cond ((and (eq action 'move)
8618 (not (gnus-check-backend-function
8619 'request-move-article gnus-newsgroup-name)))
8620 (error "The current group does not support article moving"))
8621 ((and (eq action 'crosspost)
8622 (not (gnus-check-backend-function
8623 'request-replace-article gnus-newsgroup-name)))
8624 (error "The current group does not support article editing")))
8625 (let ((articles (gnus-summary-work-articles n))
8626 (prefix (if (gnus-check-backend-function
8627 'request-move-article gnus-newsgroup-name)
8628 (gnus-group-real-prefix gnus-newsgroup-name)
8630 (names '((move "Move" "Moving")
8631 (copy "Copy" "Copying")
8632 (crosspost "Crosspost" "Crossposting")))
8633 (copy-buf (save-excursion
8634 (nnheader-set-temp-buffer " *copy article*")))
8635 art-group to-method new-xref article to-groups)
8636 (unless (assq action names)
8637 (error "Unknown action %s" action))
8638 ;; Read the newsgroup name.
8639 (when (and (not to-newsgroup)
8640 (not select-method))
8641 (if (and gnus-move-split-methods
8643 (and (memq gnus-current-article articles)
8644 (gnus-buffer-live-p gnus-original-article-buffer))))
8645 ;; When `gnus-move-split-methods' is non-nil, we have to
8646 ;; select an article to give `gnus-read-move-group-name' an
8647 ;; opportunity to suggest an appropriate default. However,
8648 ;; we needn't render or mark the article.
8649 (let ((gnus-display-mime-function nil)
8650 (gnus-article-prepare-hook nil)
8651 (gnus-mark-article-hook nil))
8652 (gnus-summary-select-article nil nil nil (car articles))))
8654 (gnus-read-move-group-name
8655 (cadr (assq action names))
8656 (symbol-value (intern (format "gnus-current-%s-group" action)))
8658 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
8659 (setq to-method (or select-method
8660 (gnus-server-to-method
8661 (gnus-group-method to-newsgroup))))
8662 ;; Check the method we are to move this article to...
8663 (unless (gnus-check-backend-function
8664 'request-accept-article (car to-method))
8665 (error "%s does not support article copying" (car to-method)))
8666 (unless (gnus-check-server to-method)
8667 (error "Can't open server %s" (car to-method)))
8668 (gnus-message 6 "%s to %s: %s..."
8669 (caddr (assq action names))
8670 (or (car select-method) to-newsgroup) articles)
8672 (setq article (pop articles))
8676 ;; Move the article.
8678 ;; Remove this article from future suppression.
8679 (gnus-dup-unsuppress-article article)
8680 (gnus-request-move-article
8681 article ; Article to move
8682 gnus-newsgroup-name ; From newsgroup
8683 (nth 1 (gnus-find-method-for-group
8684 gnus-newsgroup-name)) ; Server
8685 (list 'gnus-request-accept-article
8686 to-newsgroup (list 'quote select-method)
8687 (not articles) t) ; Accept form
8688 (not articles))) ; Only save nov last time
8689 ;; Copy the article.
8692 (set-buffer copy-buf)
8693 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
8694 (gnus-request-accept-article
8695 to-newsgroup select-method (not articles) t))))
8696 ;; Crosspost the article.
8697 ((eq action 'crosspost)
8698 (let ((xref (message-tokenize-header
8699 (mail-header-xref (gnus-summary-article-header article))
8701 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
8702 ":" (number-to-string article)))
8704 (setq xref (list (system-name))))
8707 (mapconcat 'identity
8708 (delete "Xref:" (delete new-xref xref))
8712 (set-buffer copy-buf)
8713 ;; First put the article in the destination group.
8714 (gnus-request-article-this-buffer article gnus-newsgroup-name)
8715 (when (consp (setq art-group
8716 (gnus-request-accept-article
8717 to-newsgroup select-method (not articles))))
8718 (setq new-xref (concat new-xref " " (car art-group)
8720 (number-to-string (cdr art-group))))
8721 ;; Now we have the new Xrefs header, so we insert
8722 ;; it and replace the new article.
8723 (nnheader-replace-header "Xref" new-xref)
8724 (gnus-request-replace-article
8725 (cdr art-group) to-newsgroup (current-buffer))
8729 (gnus-message 1 "Couldn't %s article %s: %s"
8730 (cadr (assq action names)) article
8731 (nnheader-get-report (car to-method))))
8732 ((eq art-group 'junk)
8733 (when (eq action 'move)
8734 (gnus-summary-mark-article article gnus-canceled-mark)
8735 (gnus-message 4 "Deleted article %s" article)))
8737 (let* ((pto-group (gnus-group-prefixed-name
8738 (car art-group) to-method))
8740 (gnus-gethash pto-group gnus-newsrc-hashtb))
8741 (info (nth 2 entry))
8742 (to-group (gnus-info-group info))
8744 ;; Update the group that has been moved to.
8746 (memq action '(move copy)))
8747 (unless (member to-group to-groups)
8748 (push to-group to-groups))
8750 (unless (memq article gnus-newsgroup-unreads)
8751 (push 'read to-marks)
8753 info (gnus-add-to-range (gnus-info-read info)
8754 (list (cdr art-group)))))
8756 ;; See whether the article is to be put in the cache.
8757 (let ((marks gnus-article-mark-lists)
8758 (to-article (cdr art-group)))
8760 ;; Enter the article into the cache in the new group,
8761 ;; if that is required.
8762 (when gnus-use-cache
8763 (gnus-cache-possibly-enter-article
8765 (memq article gnus-newsgroup-marked)
8766 (memq article gnus-newsgroup-dormant)
8767 (memq article gnus-newsgroup-unreads)))
8769 (when gnus-preserve-marks
8770 ;; Copy any marks over to the new group.
8771 (when (and (equal to-group gnus-newsgroup-name)
8772 (not (memq article gnus-newsgroup-unreads)))
8773 ;; Mark this article as read in this group.
8774 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
8775 (setcdr (gnus-active to-group) to-article)
8776 (setcdr gnus-newsgroup-active to-article))
8779 (when (eq (gnus-article-mark-to-type (cdar marks)) 'list)
8780 (when (memq article (symbol-value
8781 (intern (format "gnus-newsgroup-%s"
8783 (push (cdar marks) to-marks)
8784 ;; If the other group is the same as this group,
8785 ;; then we have to add the mark to the list.
8786 (when (equal to-group gnus-newsgroup-name)
8787 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
8790 (intern (format "gnus-newsgroup-%s"
8792 ;; Copy the marks to other group.
8793 (gnus-add-marked-articles
8794 to-group (cdar marks) (list to-article) info)))
8795 (setq marks (cdr marks)))
8797 (gnus-request-set-mark
8798 to-group (list (list (list to-article) 'add to-marks))))
8801 (concat "(gnus-group-set-info '"
8802 (gnus-prin1-to-string (gnus-get-info to-group))
8805 ;; Update the Xref header in this article to point to
8806 ;; the new crossposted article we have just created.
8807 (when (eq action 'crosspost)
8809 (set-buffer copy-buf)
8810 (gnus-request-article-this-buffer article gnus-newsgroup-name)
8811 (nnheader-replace-header "Xref" new-xref)
8812 (gnus-request-replace-article
8813 article gnus-newsgroup-name (current-buffer)))))
8815 ;;;!!!Why is this necessary?
8816 (set-buffer gnus-summary-buffer)
8818 (gnus-summary-goto-subject article)
8819 (when (eq action 'move)
8820 (gnus-summary-mark-article article gnus-canceled-mark))))
8821 (gnus-summary-remove-process-mark article))
8822 ;; Re-activate all groups that have been moved to.
8824 (set-buffer gnus-group-buffer)
8825 (let ((gnus-group-marked to-groups))
8826 (gnus-group-get-new-news-this-group nil t)))
8828 (gnus-kill-buffer copy-buf)
8829 (gnus-summary-position-point)
8830 (gnus-set-mode-line 'summary)))
8832 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
8833 "Move the current article to a different newsgroup.
8834 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
8835 When called interactively, if TO-NEWSGROUP is nil, use the value of
8836 the variable `gnus-move-split-methods' for finding a default target
8838 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
8839 re-spool using this method."
8841 (gnus-summary-move-article n to-newsgroup select-method 'copy))
8843 (defun gnus-summary-crosspost-article (&optional n)
8844 "Crosspost the current article to some other group."
8846 (gnus-summary-move-article n nil nil 'crosspost))
8848 (defcustom gnus-summary-respool-default-method nil
8849 "Default method type for respooling an article.
8850 If nil, use to the current newsgroup method."
8852 :group 'gnus-summary-mail)
8854 (defcustom gnus-summary-display-while-building nil
8855 "If not-nil, show and update the summary buffer as it's being built.
8856 If the value is t, update the buffer after every line is inserted. If
8857 the value is an integer (N), update the display every N lines."
8859 :type '(choice (const :tag "off" nil)
8861 (const :tag "frequently" t)))
8863 (defun gnus-summary-respool-article (&optional n method)
8864 "Respool the current article.
8865 The article will be squeezed through the mail spooling process again,
8866 which means that it will be put in some mail newsgroup or other
8867 depending on `nnmail-split-methods'.
8868 If N is a positive number, respool the N next articles.
8869 If N is a negative number, respool the N previous articles.
8870 If N is nil and any articles have been marked with the process mark,
8871 respool those articles instead.
8873 Respooling can be done both from mail groups and \"real\" newsgroups.
8874 In the former case, the articles in question will be moved from the
8875 current group into whatever groups they are destined to. In the
8876 latter case, they will be copied into the relevant groups."
8878 (list current-prefix-arg
8879 (let* ((methods (gnus-methods-using 'respool))
8881 (symbol-name (or gnus-summary-respool-default-method
8882 (car (gnus-find-method-for-group
8883 gnus-newsgroup-name)))))
8885 (gnus-completing-read-with-default
8886 methname "What backend do you want to use when respooling?"
8887 methods nil t nil 'gnus-mail-method-history))
8890 ((zerop (length (setq ms (gnus-servers-using-backend
8892 (list (intern method) ""))
8896 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
8897 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
8900 (error "No method given for respooling"))
8901 (if (assoc (symbol-name
8902 (car (gnus-find-method-for-group gnus-newsgroup-name)))
8903 (gnus-methods-using 'respool))
8904 (gnus-summary-move-article n nil method)
8905 (gnus-summary-copy-article n nil method)))
8907 (defun gnus-summary-import-article (file &optional edit)
8908 "Import an arbitrary file into a mail newsgroup."
8909 (interactive "fImport file: \nP")
8910 (let ((group gnus-newsgroup-name)
8911 (now (current-time))
8912 atts lines group-art)
8913 (unless (gnus-check-backend-function 'request-accept-article group)
8914 (error "%s does not support article importing" group))
8915 (or (file-readable-p file)
8916 (not (file-regular-p file))
8917 (error "Can't read %s" file))
8919 (set-buffer (gnus-get-buffer-create " *import file*"))
8921 (nnheader-insert-file-contents file)
8922 (goto-char (point-min))
8923 (if (nnheader-article-p)
8925 (goto-char (point-min))
8926 (search-forward "\n\n" nil t)
8927 (narrow-to-region (point-min) (1- (point)))
8928 (goto-char (point-min))
8929 (unless (re-search-forward "^date:" nil t)
8930 (goto-char (point-max))
8931 (insert "Date: " (message-make-date (nth 5 atts)) "\n")))
8932 ;; This doesn't look like an article, so we fudge some headers.
8933 (setq atts (file-attributes file)
8934 lines (count-lines (point-min) (point-max)))
8935 (insert "From: " (read-string "From: ") "\n"
8936 "Subject: " (read-string "Subject: ") "\n"
8937 "Date: " (message-make-date (nth 5 atts)) "\n"
8938 "Message-ID: " (message-make-message-id) "\n"
8939 "Lines: " (int-to-string lines) "\n"
8940 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
8941 (setq group-art (gnus-request-accept-article group nil t))
8942 (kill-buffer (current-buffer)))
8943 (setq gnus-newsgroup-active (gnus-activate-group group))
8945 (gnus-summary-goto-article (cdr group-art) nil t)
8947 (gnus-summary-edit-article))))
8949 (defun gnus-summary-create-article ()
8950 "Create an article in a mail newsgroup."
8952 (let ((group gnus-newsgroup-name)
8953 (now (current-time))
8955 (unless (gnus-check-backend-function 'request-accept-article group)
8956 (error "%s does not support article importing" group))
8958 (set-buffer (gnus-get-buffer-create " *import file*"))
8960 (goto-char (point-min))
8961 ;; This doesn't look like an article, so we fudge some headers.
8962 (insert "From: " (read-string "From: ") "\n"
8963 "Subject: " (read-string "Subject: ") "\n"
8964 "Date: " (message-make-date now) "\n"
8965 "Message-ID: " (message-make-message-id) "\n")
8966 (setq group-art (gnus-request-accept-article group nil t))
8967 (kill-buffer (current-buffer)))
8968 (setq gnus-newsgroup-active (gnus-activate-group group))
8970 (gnus-summary-goto-article (cdr group-art) nil t)
8971 (gnus-summary-edit-article)))
8973 (defun gnus-summary-article-posted-p ()
8974 "Say whether the current (mail) article is available from news as well.
8975 This will be the case if the article has both been mailed and posted."
8977 (let ((id (mail-header-references (gnus-summary-article-header)))
8978 (gnus-override-method (car (gnus-refer-article-methods))))
8979 (if (gnus-request-head id "")
8980 (gnus-message 2 "The current message was found on %s"
8981 gnus-override-method)
8982 (gnus-message 2 "The current message couldn't be found on %s"
8983 gnus-override-method)
8986 (defun gnus-summary-expire-articles (&optional now)
8987 "Expire all articles that are marked as expirable in the current group."
8989 (when (gnus-check-backend-function
8990 'request-expire-articles gnus-newsgroup-name)
8991 ;; This backend supports expiry.
8992 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
8993 (expirable (if total
8995 ;; We need to update the info for
8996 ;; this group for `gnus-list-of-read-articles'
8997 ;; to give us the right answer.
8998 (gnus-run-hooks 'gnus-exit-group-hook)
8999 (gnus-summary-update-info)
9000 (gnus-list-of-read-articles gnus-newsgroup-name))
9001 (setq gnus-newsgroup-expirable
9002 (sort gnus-newsgroup-expirable '<))))
9003 (expiry-wait (if now 'immediate
9004 (gnus-group-find-parameter
9005 gnus-newsgroup-name 'expiry-wait)))
9006 (nnmail-expiry-target
9007 (or (gnus-group-find-parameter gnus-newsgroup-name 'expiry-target)
9008 nnmail-expiry-target))
9011 ;; There are expirable articles in this group, so we run them
9012 ;; through the expiry process.
9013 (gnus-message 6 "Expiring articles...")
9014 (unless (gnus-check-group gnus-newsgroup-name)
9015 (error "Can't open server for %s" gnus-newsgroup-name))
9016 ;; The list of articles that weren't expired is returned.
9019 (let ((nnmail-expiry-wait-function nil)
9020 (nnmail-expiry-wait expiry-wait))
9021 (setq es (gnus-request-expire-articles
9022 expirable gnus-newsgroup-name)))
9023 (setq es (gnus-request-expire-articles
9024 expirable gnus-newsgroup-name)))
9026 (setq gnus-newsgroup-expirable es))
9027 ;; We go through the old list of expirable, and mark all
9028 ;; really expired articles as nonexistent.
9029 (unless (eq es expirable) ;If nothing was expired, we don't mark.
9030 (let ((gnus-use-cache nil))
9031 (dolist (article expirable)
9032 (when (and (not (memq article es))
9033 (gnus-data-find article))
9034 (gnus-summary-mark-article article gnus-canceled-mark))))))
9035 (gnus-message 6 "Expiring articles...done")))))
9037 (defun gnus-summary-expire-articles-now ()
9038 "Expunge all expirable articles in the current group.
9039 This means that *all* articles that are marked as expirable will be
9040 deleted forever, right now."
9042 (or gnus-expert-user
9044 "Are you really, really, really sure you want to delete all these messages? ")
9046 (gnus-summary-expire-articles t))
9048 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
9049 (defun gnus-summary-delete-article (&optional n)
9050 "Delete the N next (mail) articles.
9051 This command actually deletes articles. This is not a marking
9052 command. The article will disappear forever from your life, never to
9054 If N is negative, delete backwards.
9055 If N is nil and articles have been marked with the process mark,
9056 delete these instead."
9058 (unless (gnus-check-backend-function 'request-expire-articles
9059 gnus-newsgroup-name)
9060 (error "The current newsgroup does not support article deletion"))
9061 (unless (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
9062 (error "Couldn't open server"))
9063 ;; Compute the list of articles to delete.
9064 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
9065 (nnmail-expiry-target 'delete)
9067 (if (and gnus-novice-user
9068 (not (gnus-yes-or-no-p
9069 (format "Do you really want to delete %s forever? "
9070 (if (> (length articles) 1)
9071 (format "these %s articles" (length articles))
9074 ;; Delete the articles.
9075 (setq not-deleted (gnus-request-expire-articles
9076 articles gnus-newsgroup-name 'force))
9078 (gnus-summary-remove-process-mark (car articles))
9079 ;; The backend might not have been able to delete the article
9081 (unless (memq (car articles) not-deleted)
9082 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
9083 (setq articles (cdr articles)))
9085 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
9086 (gnus-summary-position-point)
9087 (gnus-set-mode-line 'summary)
9090 (defun gnus-summary-edit-article (&optional arg)
9091 "Edit the current article.
9092 This will have permanent effect only in mail groups.
9093 If ARG is nil, edit the decoded articles.
9094 If ARG is 1, edit the raw articles.
9095 If ARG is 2, edit the raw articles even in read-only groups.
9096 If ARG is 3, edit the articles with the current handles.
9097 Otherwise, allow editing of articles even in read-only
9100 (let (force raw current-handles)
9109 (setq current-handles
9110 (and (gnus-buffer-live-p gnus-article-buffer)
9111 (with-current-buffer gnus-article-buffer
9113 gnus-article-mime-handles
9114 (setq gnus-article-mime-handles nil))))))
9117 (when (and raw (not force)
9118 (member gnus-newsgroup-name '("nndraft:delayed"
9121 (error "Can't edit the raw article in group %s"
9122 gnus-newsgroup-name))
9124 (set-buffer gnus-summary-buffer)
9125 (let ((mail-parse-charset gnus-newsgroup-charset)
9126 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
9127 (gnus-set-global-variables)
9128 (when (and (not force)
9129 (gnus-group-read-only-p))
9130 (error "The current newsgroup does not support article editing"))
9131 (gnus-summary-show-article t)
9132 (when (and (not raw) (gnus-buffer-live-p gnus-article-buffer))
9133 (with-current-buffer gnus-article-buffer
9134 (mm-enable-multibyte)))
9135 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
9137 (gnus-article-edit-article
9140 (let ((mbl mml-buffer-list))
9141 (setq mml-buffer-list nil)
9142 (mime-to-mml ,'current-handles)
9143 (let ((mbl1 mml-buffer-list))
9144 (setq mml-buffer-list mbl)
9145 (set (make-local-variable 'mml-buffer-list) mbl1))
9146 (make-local-hook 'kill-buffer-hook)
9147 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t))))
9148 `(lambda (no-highlight)
9149 (let ((mail-parse-charset ',gnus-newsgroup-charset)
9150 (message-options message-options)
9151 (message-options-set-recipient)
9152 (mail-parse-ignored-charsets
9153 ',gnus-newsgroup-ignored-charsets))
9154 ,(if (not raw) '(progn
9156 (mml-destroy-buffers)
9157 (remove-hook 'kill-buffer-hook
9158 'mml-destroy-buffers t)
9159 (kill-local-variable 'mml-buffer-list)))
9160 (gnus-summary-edit-article-done
9161 ,(or (mail-header-references gnus-current-headers) "")
9162 ,(gnus-group-read-only-p)
9163 ,gnus-summary-buffer no-highlight))))))))
9165 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
9167 (defun gnus-summary-edit-article-done (&optional references read-only buffer
9169 "Make edits to the current article permanent."
9172 ;; The buffer restriction contains the entire article if it exists.
9173 (when (article-goto-body)
9174 (let ((lines (count-lines (point) (point-max)))
9175 (length (- (point-max) (point)))
9176 (case-fold-search t)
9177 (body (copy-marker (point))))
9178 (goto-char (point-min))
9179 (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t)
9180 (delete-region (match-beginning 1) (match-end 1))
9181 (insert (number-to-string length)))
9182 (goto-char (point-min))
9183 (when (re-search-forward
9184 "^x-content-length:[ \t]\\([0-9]+\\)" body t)
9185 (delete-region (match-beginning 1) (match-end 1))
9186 (insert (number-to-string length)))
9187 (goto-char (point-min))
9188 (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t)
9189 (delete-region (match-beginning 1) (match-end 1))
9190 (insert (number-to-string lines))))))
9191 ;; Replace the article.
9192 (let ((buf (current-buffer)))
9194 (insert-buffer-substring buf)
9196 (if (and (not read-only)
9197 (not (gnus-request-replace-article
9198 (cdr gnus-article-current) (car gnus-article-current)
9199 (current-buffer) t)))
9200 (error "Couldn't replace article")
9201 ;; Update the summary buffer.
9203 (equal (message-tokenize-header references " ")
9204 (message-tokenize-header
9205 (or (message-fetch-field "references") "") " ")))
9206 ;; We only have to update this line.
9209 (message-narrow-to-head)
9210 (let ((head (buffer-string))
9213 (insert (format "211 %d Article retrieved.\n"
9214 (cdr gnus-article-current)))
9217 (let ((nntp-server-buffer (current-buffer)))
9218 (setq header (car (gnus-get-newsgroup-headers
9221 (set-buffer gnus-summary-buffer)
9222 (gnus-data-set-header
9223 (gnus-data-find (cdr gnus-article-current))
9225 (gnus-summary-update-article-line
9226 (cdr gnus-article-current) header)
9227 (if (gnus-summary-goto-subject
9228 (cdr gnus-article-current) nil t)
9229 (gnus-summary-update-secondary-mark
9230 (cdr gnus-article-current))))))))
9232 (set-buffer (or buffer gnus-summary-buffer))
9233 (gnus-summary-update-article (cdr gnus-article-current))
9234 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
9235 (gnus-summary-update-secondary-mark
9236 (cdr gnus-article-current))))
9237 ;; Prettify the article buffer again.
9238 (unless no-highlight
9240 (set-buffer gnus-article-buffer)
9241 ;;;!!! Fix this -- article should be rehighlighted.
9242 ;;;(gnus-run-hooks 'gnus-article-display-hook)
9243 (set-buffer gnus-original-article-buffer)
9244 (gnus-request-article
9245 (cdr gnus-article-current)
9246 (car gnus-article-current) (current-buffer))))
9247 ;; Prettify the summary buffer line.
9248 (when (gnus-visual-p 'summary-highlight 'highlight)
9249 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
9251 (defun gnus-summary-edit-wash (key)
9252 "Perform editing command KEY in the article buffer."
9256 (message "%s" (concat (this-command-keys) "- "))
9259 (gnus-summary-edit-article)
9260 (execute-kbd-macro (concat (this-command-keys) key))
9261 (gnus-article-edit-done))
9265 (defun gnus-summary-respool-query (&optional silent trace)
9266 "Query where the respool algorithm would put this article."
9268 (let (gnus-mark-article-hook)
9269 (gnus-summary-select-article)
9271 (set-buffer gnus-original-article-buffer)
9273 (message-narrow-to-head)
9274 (let ((groups (nnmail-article-group 'identity trace)))
9277 (message "This message would go to %s"
9278 (mapconcat 'car groups ", "))
9279 (message "This message would go to no groups"))
9282 (defun gnus-summary-respool-trace ()
9283 "Trace where the respool algorithm would put this article.
9284 Display a buffer showing all fancy splitting patterns which matched."
9286 (gnus-summary-respool-query nil t))
9288 ;; Summary marking commands.
9290 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
9291 "Mark articles which has the same subject as read, and then select the next.
9292 If UNMARK is positive, remove any kind of mark.
9293 If UNMARK is negative, tick articles."
9296 (setq unmark (prefix-numeric-value unmark)))
9298 (gnus-summary-mark-same-subject
9299 (gnus-summary-article-subject) unmark)))
9300 ;; Select next unread article. If auto-select-same mode, should
9301 ;; select the first unread article.
9302 (gnus-summary-next-article t (and gnus-auto-select-same
9303 (gnus-summary-article-subject)))
9304 (gnus-message 7 "%d article%s marked as %s"
9305 count (if (= count 1) " is" "s are")
9306 (if unmark "unread" "read"))))
9308 (defun gnus-summary-kill-same-subject (&optional unmark)
9309 "Mark articles which has the same subject as read.
9310 If UNMARK is positive, remove any kind of mark.
9311 If UNMARK is negative, tick articles."
9314 (setq unmark (prefix-numeric-value unmark)))
9316 (gnus-summary-mark-same-subject
9317 (gnus-summary-article-subject) unmark)))
9318 ;; If marked as read, go to next unread subject.
9320 ;; Go to next unread subject.
9321 (gnus-summary-next-subject 1 t))
9322 (gnus-message 7 "%d articles are marked as %s"
9323 count (if unmark "unread" "read"))))
9325 (defun gnus-summary-mark-same-subject (subject &optional unmark)
9326 "Mark articles with same SUBJECT as read, and return marked number.
9327 If optional argument UNMARK is positive, remove any kinds of marks.
9328 If optional argument UNMARK is negative, mark articles as unread instead."
9332 ((null unmark) ; Mark as read.
9335 (gnus-summary-mark-article-as-read gnus-killed-mark)
9336 (gnus-summary-show-thread) t)
9337 (gnus-summary-find-subject subject))
9338 (setq count (1+ count))))
9339 ((> unmark 0) ; Tick.
9342 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
9343 (gnus-summary-show-thread) t)
9344 (gnus-summary-find-subject subject))
9345 (setq count (1+ count))))
9346 (t ; Mark as unread.
9349 (gnus-summary-mark-article-as-unread gnus-unread-mark)
9350 (gnus-summary-show-thread) t)
9351 (gnus-summary-find-subject subject))
9352 (setq count (1+ count)))))
9353 (gnus-set-mode-line 'summary)
9354 ;; Return the number of marked articles.
9357 (defun gnus-summary-mark-as-processable (n &optional unmark)
9358 "Set the process mark on the next N articles.
9359 If N is negative, mark backward instead. If UNMARK is non-nil, remove
9360 the process mark instead. The difference between N and the actual
9361 number of articles marked is returned."
9363 (if (and (null n) (gnus-region-active-p))
9364 (gnus-uu-mark-region (region-beginning) (region-end) unmark)
9365 (setq n (prefix-numeric-value n))
9366 (let ((backward (< n 0))
9371 (gnus-summary-remove-process-mark
9372 (gnus-summary-article-number))
9373 (gnus-summary-set-process-mark (gnus-summary-article-number)))
9374 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
9377 (gnus-message 7 "No more articles"))
9378 (gnus-summary-recenter)
9379 (gnus-summary-position-point)
9382 (defun gnus-summary-unmark-as-processable (n)
9383 "Remove the process mark from the next N articles.
9384 If N is negative, unmark backward instead. The difference between N and
9385 the actual number of articles unmarked is returned."
9387 (gnus-summary-mark-as-processable n t))
9389 (defun gnus-summary-unmark-all-processable ()
9390 "Remove the process mark from all articles."
9393 (while gnus-newsgroup-processable
9394 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
9395 (gnus-summary-position-point))
9397 (defun gnus-summary-add-mark (article type)
9398 "Mark ARTICLE with a mark of TYPE."
9399 (let ((vtype (car (assq type gnus-article-mark-lists)))
9402 (error "No such mark type: %s" type)
9403 (setq var (intern (format "gnus-newsgroup-%s" type)))
9404 (set var (cons article (symbol-value var)))
9405 (if (memq type '(processable cached replied forwarded recent saved))
9406 (gnus-summary-update-secondary-mark article)
9407 ;;; !!! This is bogus. We should find out what primary
9408 ;;; !!! mark we want to set.
9409 (gnus-summary-update-mark gnus-del-mark 'unread)))))
9411 (defun gnus-summary-mark-as-expirable (n)
9412 "Mark N articles forward as expirable.
9413 If N is negative, mark backward instead. The difference between N and
9414 the actual number of articles marked is returned."
9416 (gnus-summary-mark-forward n gnus-expirable-mark))
9418 (defun gnus-summary-mark-as-spam (n)
9419 "Mark N articles forward as spam.
9420 If N is negative, mark backward instead. The difference between N and
9421 the actual number of articles marked is returned."
9423 (gnus-summary-mark-forward n gnus-spam-mark))
9425 (defun gnus-summary-mark-article-as-replied (article)
9426 "Mark ARTICLE as replied to and update the summary line.
9427 ARTICLE can also be a list of articles."
9428 (interactive (list (gnus-summary-article-number)))
9429 (let ((articles (if (listp article) article (list article))))
9430 (dolist (article articles)
9431 (push article gnus-newsgroup-replied)
9432 (let ((buffer-read-only nil))
9433 (when (gnus-summary-goto-subject article nil t)
9434 (gnus-summary-update-secondary-mark article))))))
9436 (defun gnus-summary-mark-article-as-forwarded (article)
9437 "Mark ARTICLE as forwarded and update the summary line.
9438 ARTICLE can also be a list of articles."
9439 (let ((articles (if (listp article) article (list article))))
9440 (dolist (article articles)
9441 (push article gnus-newsgroup-forwarded)
9442 (let ((buffer-read-only nil))
9443 (when (gnus-summary-goto-subject article nil t)
9444 (gnus-summary-update-secondary-mark article))))))
9446 (defun gnus-summary-set-bookmark (article)
9447 "Set a bookmark in current article."
9448 (interactive (list (gnus-summary-article-number)))
9449 (when (or (not (get-buffer gnus-article-buffer))
9450 (not gnus-current-article)
9451 (not gnus-article-current)
9452 (not (equal gnus-newsgroup-name (car gnus-article-current))))
9453 (error "No current article selected"))
9454 ;; Remove old bookmark, if one exists.
9455 (gnus-pull article gnus-newsgroup-bookmarks)
9456 ;; Set the new bookmark, which is on the form
9457 ;; (article-number . line-number-in-body).
9461 (set-buffer gnus-article-buffer)
9468 gnus-newsgroup-bookmarks)
9469 (gnus-message 6 "A bookmark has been added to the current article."))
9471 (defun gnus-summary-remove-bookmark (article)
9472 "Remove the bookmark from the current article."
9473 (interactive (list (gnus-summary-article-number)))
9474 ;; Remove old bookmark, if one exists.
9475 (if (not (assq article gnus-newsgroup-bookmarks))
9476 (gnus-message 6 "No bookmark in current article.")
9477 (gnus-pull article gnus-newsgroup-bookmarks)
9478 (gnus-message 6 "Removed bookmark.")))
9480 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
9481 (defun gnus-summary-mark-as-dormant (n)
9482 "Mark N articles forward as dormant.
9483 If N is negative, mark backward instead. The difference between N and
9484 the actual number of articles marked is returned."
9486 (gnus-summary-mark-forward n gnus-dormant-mark))
9488 (defun gnus-summary-set-process-mark (article)
9489 "Set the process mark on ARTICLE and update the summary line."
9490 (setq gnus-newsgroup-processable
9492 (delq article gnus-newsgroup-processable)))
9493 (when (gnus-summary-goto-subject article)
9494 (gnus-summary-show-thread)
9495 (gnus-summary-goto-subject article)
9496 (gnus-summary-update-secondary-mark article)))
9498 (defun gnus-summary-remove-process-mark (article)
9499 "Remove the process mark from ARTICLE and update the summary line."
9500 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
9501 (when (gnus-summary-goto-subject article)
9502 (gnus-summary-show-thread)
9503 (gnus-summary-goto-subject article)
9504 (gnus-summary-update-secondary-mark article)))
9506 (defun gnus-summary-set-saved-mark (article)
9507 "Set the process mark on ARTICLE and update the summary line."
9508 (push article gnus-newsgroup-saved)
9509 (when (gnus-summary-goto-subject article)
9510 (gnus-summary-update-secondary-mark article)))
9512 (defun gnus-summary-mark-forward (n &optional mark no-expire)
9513 "Mark N articles as read forwards.
9514 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
9515 The difference between N and the actual number of articles marked is
9517 If NO-EXPIRE, auto-expiry will be inhibited."
9519 (gnus-summary-show-thread)
9520 (let ((backward (< n 0))
9521 (gnus-summary-goto-unread
9522 (and gnus-summary-goto-unread
9523 (not (eq gnus-summary-goto-unread 'never))
9524 (not (memq mark (list gnus-unread-mark gnus-spam-mark
9525 gnus-ticked-mark gnus-dormant-mark)))))
9527 (mark (or mark gnus-del-mark)))
9529 (gnus-summary-mark-article nil mark no-expire)
9530 (zerop (gnus-summary-next-subject
9532 (and gnus-summary-goto-unread
9533 (not (eq gnus-summary-goto-unread 'never)))
9537 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
9538 (gnus-summary-recenter)
9539 (gnus-summary-position-point)
9540 (gnus-set-mode-line 'summary)
9543 (defun gnus-summary-mark-article-as-read (mark)
9544 "Mark the current article quickly as read with MARK."
9545 (let ((article (gnus-summary-article-number)))
9546 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
9547 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9548 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
9549 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9550 (push (cons article mark) gnus-newsgroup-reads)
9551 ;; Possibly remove from cache, if that is used.
9552 (when gnus-use-cache
9553 (gnus-cache-enter-remove-article article))
9554 ;; Allow the backend to change the mark.
9555 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9556 ;; Check for auto-expiry.
9557 (when (and gnus-newsgroup-auto-expire
9558 (memq mark gnus-auto-expirable-marks))
9559 (setq mark gnus-expirable-mark)
9560 ;; Let the backend know about the mark change.
9561 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9562 (push article gnus-newsgroup-expirable))
9563 ;; Set the mark in the buffer.
9564 (gnus-summary-update-mark mark 'unread)
9567 (defun gnus-summary-mark-article-as-unread (mark)
9568 "Mark the current article quickly as unread with MARK."
9569 (let* ((article (gnus-summary-article-number))
9570 (old-mark (gnus-summary-article-mark article)))
9571 ;; Allow the backend to change the mark.
9572 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9573 (if (eq mark old-mark)
9577 (gnus-error 1 "Can't mark negative article numbers")
9579 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9580 (setq gnus-newsgroup-spam-marked
9581 (delq article gnus-newsgroup-spam-marked))
9582 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9583 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
9584 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
9585 (cond ((= mark gnus-ticked-mark)
9586 (setq gnus-newsgroup-marked
9587 (gnus-add-to-sorted-list gnus-newsgroup-marked
9589 ((= mark gnus-spam-mark)
9590 (setq gnus-newsgroup-spam-marked
9591 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
9593 ((= mark gnus-dormant-mark)
9594 (setq gnus-newsgroup-dormant
9595 (gnus-add-to-sorted-list gnus-newsgroup-dormant
9598 (setq gnus-newsgroup-unreads
9599 (gnus-add-to-sorted-list gnus-newsgroup-unreads
9601 (gnus-pull article gnus-newsgroup-reads)
9603 ;; See whether the article is to be put in the cache.
9605 (vectorp (gnus-summary-article-header article))
9607 (gnus-cache-possibly-enter-article
9608 gnus-newsgroup-name article
9609 (= mark gnus-ticked-mark)
9610 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
9613 (gnus-summary-update-mark mark 'unread)
9616 (defun gnus-summary-mark-article (&optional article mark no-expire)
9617 "Mark ARTICLE with MARK. MARK can be any character.
9618 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
9619 `??' (dormant) and `?E' (expirable).
9620 If MARK is nil, then the default character `?r' is used.
9621 If ARTICLE is nil, then the article on the current line will be
9623 If NO-EXPIRE, auto-expiry will be inhibited."
9624 ;; The mark might be a string.
9625 (when (stringp mark)
9626 (setq mark (aref mark 0)))
9627 ;; If no mark is given, then we check auto-expiring.
9629 (setq mark gnus-del-mark))
9630 (when (and (not no-expire)
9631 gnus-newsgroup-auto-expire
9632 (memq mark gnus-auto-expirable-marks))
9633 (setq mark gnus-expirable-mark))
9634 (let ((article (or article (gnus-summary-article-number)))
9635 (old-mark (gnus-summary-article-mark article)))
9636 ;; Allow the backend to change the mark.
9637 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9638 (if (eq mark old-mark)
9641 (error "No article on current line"))
9642 (if (not (if (or (= mark gnus-unread-mark)
9643 (= mark gnus-ticked-mark)
9644 (= mark gnus-spam-mark)
9645 (= mark gnus-dormant-mark))
9646 (gnus-mark-article-as-unread article mark)
9647 (gnus-mark-article-as-read article mark)))
9649 ;; See whether the article is to be put in the cache.
9651 (not (= mark gnus-canceled-mark))
9652 (vectorp (gnus-summary-article-header article))
9654 (gnus-cache-possibly-enter-article
9655 gnus-newsgroup-name article
9656 (= mark gnus-ticked-mark)
9657 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
9659 (when (gnus-summary-goto-subject article nil t)
9660 (let ((buffer-read-only nil))
9661 (gnus-summary-show-thread)
9663 (gnus-summary-update-mark mark 'unread)
9666 (defun gnus-summary-update-secondary-mark (article)
9667 "Update the secondary (read, process, cache) mark."
9668 (gnus-summary-update-mark
9669 (cond ((memq article gnus-newsgroup-processable)
9671 ((memq article gnus-newsgroup-cached)
9673 ((memq article gnus-newsgroup-replied)
9675 ((memq article gnus-newsgroup-forwarded)
9676 gnus-forwarded-mark)
9677 ((memq article gnus-newsgroup-saved)
9679 ((memq article gnus-newsgroup-recent)
9681 ((memq article gnus-newsgroup-unseen)
9685 (when (gnus-visual-p 'summary-highlight 'highlight)
9686 (gnus-run-hooks 'gnus-summary-update-hook))
9689 (defun gnus-summary-update-download-mark (article)
9690 "Update the secondary (read, process, cache) mark."
9691 (gnus-summary-update-mark
9692 (cond ((memq article gnus-newsgroup-undownloaded)
9693 gnus-undownloaded-mark)
9694 (gnus-newsgroup-agentized
9695 gnus-downloaded-mark)
9699 (gnus-summary-update-line t)
9702 (defun gnus-summary-update-mark (mark type)
9703 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
9704 (buffer-read-only nil))
9705 (re-search-backward "[\n\r]" (gnus-point-at-bol) 'move-to-limit)
9707 (when (looking-at "\r")
9709 (when (<= (+ forward (point)) (point-max))
9710 ;; Go to the right position on the line.
9711 (goto-char (+ forward (point)))
9712 ;; Replace the old mark with the new mark.
9713 (subst-char-in-region (point) (1+ (point)) (char-after) mark)
9714 ;; Optionally update the marks by some user rule.
9715 (when (eq type 'unread)
9717 (gnus-data-find (gnus-summary-article-number)) mark)
9718 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
9720 (defun gnus-mark-article-as-read (article &optional mark)
9721 "Enter ARTICLE in the pertinent lists and remove it from others."
9722 ;; Make the article expirable.
9723 (let ((mark (or mark gnus-del-mark)))
9724 (setq gnus-newsgroup-expirable
9725 (if (= mark gnus-expirable-mark)
9726 (gnus-add-to-sorted-list gnus-newsgroup-expirable article)
9727 (delq article gnus-newsgroup-expirable)))
9728 ;; Remove from unread and marked lists.
9729 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
9730 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9731 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
9732 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9733 (push (cons article mark) gnus-newsgroup-reads)
9734 ;; Possibly remove from cache, if that is used.
9735 (when gnus-use-cache
9736 (gnus-cache-enter-remove-article article))
9739 (defun gnus-mark-article-as-unread (article &optional mark)
9740 "Enter ARTICLE in the pertinent lists and remove it from others."
9741 (let ((mark (or mark gnus-ticked-mark)))
9744 (gnus-error 1 "Can't mark negative article numbers")
9746 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
9747 gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked)
9748 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
9749 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
9750 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
9752 ;; Unsuppress duplicates?
9753 (when gnus-suppress-duplicates
9754 (gnus-dup-unsuppress-article article))
9756 (cond ((= mark gnus-ticked-mark)
9757 (setq gnus-newsgroup-marked
9758 (gnus-add-to-sorted-list gnus-newsgroup-marked article)))
9759 ((= mark gnus-spam-mark)
9760 (setq gnus-newsgroup-spam-marked
9761 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
9763 ((= mark gnus-dormant-mark)
9764 (setq gnus-newsgroup-dormant
9765 (gnus-add-to-sorted-list gnus-newsgroup-dormant article)))
9767 (setq gnus-newsgroup-unreads
9768 (gnus-add-to-sorted-list gnus-newsgroup-unreads article))))
9769 (gnus-pull article gnus-newsgroup-reads)
9772 (defalias 'gnus-summary-mark-as-unread-forward
9773 'gnus-summary-tick-article-forward)
9774 (make-obsolete 'gnus-summary-mark-as-unread-forward
9775 'gnus-summary-tick-article-forward)
9776 (defun gnus-summary-tick-article-forward (n)
9777 "Tick N articles forwards.
9778 If N is negative, tick backwards instead.
9779 The difference between N and the number of articles ticked is returned."
9781 (gnus-summary-mark-forward n gnus-ticked-mark))
9783 (defalias 'gnus-summary-mark-as-unread-backward
9784 'gnus-summary-tick-article-backward)
9785 (make-obsolete 'gnus-summary-mark-as-unread-backward
9786 'gnus-summary-tick-article-backward)
9787 (defun gnus-summary-tick-article-backward (n)
9788 "Tick N articles backwards.
9789 The difference between N and the number of articles ticked is returned."
9791 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
9793 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
9794 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
9795 (defun gnus-summary-tick-article (&optional article clear-mark)
9796 "Mark current article as unread.
9797 Optional 1st argument ARTICLE specifies article number to be marked as unread.
9798 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
9800 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
9803 (defun gnus-summary-mark-as-read-forward (n)
9804 "Mark N articles as read forwards.
9805 If N is negative, mark backwards instead.
9806 The difference between N and the actual number of articles marked is
9809 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
9811 (defun gnus-summary-mark-as-read-backward (n)
9812 "Mark the N articles as read backwards.
9813 The difference between N and the actual number of articles marked is
9816 (gnus-summary-mark-forward
9817 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
9819 (defun gnus-summary-mark-as-read (&optional article mark)
9820 "Mark current article as read.
9821 ARTICLE specifies the article to be marked as read.
9822 MARK specifies a string to be inserted at the beginning of the line."
9823 (gnus-summary-mark-article article mark))
9825 (defun gnus-summary-clear-mark-forward (n)
9826 "Clear marks from N articles forward.
9827 If N is negative, clear backward instead.
9828 The difference between N and the number of marks cleared is returned."
9830 (gnus-summary-mark-forward n gnus-unread-mark))
9832 (defun gnus-summary-clear-mark-backward (n)
9833 "Clear marks from N articles backward.
9834 The difference between N and the number of marks cleared is returned."
9836 (gnus-summary-mark-forward (- n) gnus-unread-mark))
9838 (defun gnus-summary-mark-unread-as-read ()
9839 "Intended to be used by `gnus-summary-mark-article-hook'."
9840 (when (memq gnus-current-article gnus-newsgroup-unreads)
9841 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
9843 (defun gnus-summary-mark-read-and-unread-as-read ()
9844 "Intended to be used by `gnus-summary-mark-article-hook'."
9845 (let ((mark (gnus-summary-article-mark)))
9846 (when (or (gnus-unread-mark-p mark)
9847 (gnus-read-mark-p mark))
9848 (gnus-summary-mark-article gnus-current-article gnus-read-mark))))
9850 (defun gnus-summary-mark-unread-as-ticked ()
9851 "Intended to be used by `gnus-summary-mark-article-hook'."
9852 (when (memq gnus-current-article gnus-newsgroup-unreads)
9853 (gnus-summary-mark-article gnus-current-article gnus-ticked-mark)))
9855 (defun gnus-summary-mark-region-as-read (point mark all)
9856 "Mark all unread articles between point and mark as read.
9857 If given a prefix, mark all articles between point and mark as read,
9858 even ticked and dormant ones."
9859 (interactive "r\nP")
9868 (memq (setq article (gnus-summary-article-number))
9869 gnus-newsgroup-unreads))
9870 (gnus-summary-mark-article article gnus-del-mark))
9872 (gnus-summary-find-next))))))
9874 (defun gnus-summary-mark-below (score mark)
9875 "Mark articles with score less than SCORE with MARK."
9876 (interactive "P\ncMark: ")
9877 (setq score (if score
9878 (prefix-numeric-value score)
9879 (or gnus-summary-default-score 0)))
9881 (set-buffer gnus-summary-buffer)
9882 (goto-char (point-min))
9885 (and (< (gnus-summary-article-score) score)
9886 (gnus-summary-mark-article nil mark))
9887 (gnus-summary-find-next)))))
9889 (defun gnus-summary-kill-below (&optional score)
9890 "Mark articles with score below SCORE as read."
9892 (gnus-summary-mark-below score gnus-killed-mark))
9894 (defun gnus-summary-clear-above (&optional score)
9895 "Clear all marks from articles with score above SCORE."
9897 (gnus-summary-mark-above score gnus-unread-mark))
9899 (defun gnus-summary-tick-above (&optional score)
9900 "Tick all articles with score above SCORE."
9902 (gnus-summary-mark-above score gnus-ticked-mark))
9904 (defun gnus-summary-mark-above (score mark)
9905 "Mark articles with score over SCORE with MARK."
9906 (interactive "P\ncMark: ")
9907 (setq score (if score
9908 (prefix-numeric-value score)
9909 (or gnus-summary-default-score 0)))
9911 (set-buffer gnus-summary-buffer)
9912 (goto-char (point-min))
9914 (when (> (gnus-summary-article-score) score)
9915 (gnus-summary-mark-article nil mark))
9917 (gnus-summary-find-next)))))
9919 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
9920 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
9921 (defun gnus-summary-limit-include-expunged (&optional no-error)
9922 "Display all the hidden articles that were expunged for low scores."
9924 (let ((buffer-read-only nil))
9925 (let ((scored gnus-newsgroup-scored)
9928 (unless (gnus-summary-article-header (caar scored))
9929 (and (setq h (gnus-number-to-header (caar scored)))
9930 (< (cdar scored) gnus-summary-expunge-below)
9932 (setq scored (cdr scored)))
9934 (when (not no-error)
9935 (error "No expunged articles hidden"))
9936 (goto-char (point-min))
9937 (push gnus-newsgroup-limit gnus-newsgroup-limits)
9938 (setq gnus-newsgroup-limit (copy-sequence gnus-newsgroup-limit))
9939 (mapcar (lambda (x) (push (mail-header-number x)
9940 gnus-newsgroup-limit))
9942 (gnus-summary-prepare-unthreaded (nreverse headers))
9943 (goto-char (point-min))
9944 (gnus-summary-position-point)
9947 (defun gnus-summary-catchup (&optional all quietly to-here not-mark reverse)
9948 "Mark all unread articles in this newsgroup as read.
9949 If prefix argument ALL is non-nil, ticked and dormant articles will
9950 also be marked as read.
9951 If QUIETLY is non-nil, no questions will be asked.
9952 If TO-HERE is non-nil, it should be a point in the buffer. All
9953 articles before (after, if REVERSE is set) this point will be marked as read.
9954 Note that this function will only catch up the unread article
9955 in the current summary buffer limitation.
9956 The number of articles marked as read is returned."
9961 (not gnus-interactive-catchup) ;Without confirmation?
9965 "Mark absolutely all articles as read? "
9966 "Mark all unread articles as read? ")))
9968 (not gnus-newsgroup-adaptive)
9969 (not gnus-newsgroup-auto-expire)
9970 (not gnus-suppress-duplicates)
9971 (or (not gnus-use-cache)
9972 (eq gnus-use-cache 'passive)))
9975 (setq gnus-newsgroup-marked nil
9976 gnus-newsgroup-spam-marked nil
9977 gnus-newsgroup-dormant nil))
9978 (setq gnus-newsgroup-unreads gnus-newsgroup-downloadable))
9979 ;; We actually mark all articles as canceled, which we
9980 ;; have to do when using auto-expiry or adaptive scoring.
9981 (gnus-summary-show-all-threads)
9982 (if (and to-here reverse)
9986 (gnus-summary-mark-article-as-read gnus-catchup-mark)
9987 (gnus-summary-find-next (not all) nil nil t))))
9988 (when (gnus-summary-first-subject (not all) t)
9990 (if to-here (< (point) to-here) t)
9991 (gnus-summary-mark-article-as-read gnus-catchup-mark)
9992 (gnus-summary-find-next (not all) nil nil t)))))
9993 (gnus-set-mode-line 'summary))
9995 (gnus-summary-position-point)))
9997 (defun gnus-summary-catchup-to-here (&optional all)
9998 "Mark all unticked articles before the current one as read.
9999 If ALL is non-nil, also mark ticked and dormant articles as read."
10002 (gnus-save-hidden-threads
10003 (let ((beg (point)))
10004 ;; We check that there are unread articles.
10005 (when (or all (gnus-summary-find-prev))
10006 (gnus-summary-catchup all t beg)))))
10007 (gnus-summary-position-point))
10009 (defun gnus-summary-catchup-from-here (&optional all)
10010 "Mark all unticked articles after the current one as read.
10011 If ALL is non-nil, also mark ticked and dormant articles as read."
10014 (gnus-save-hidden-threads
10015 (let ((beg (point)))
10016 ;; We check that there are unread articles.
10017 (when (or all (gnus-summary-find-next))
10018 (gnus-summary-catchup all t beg nil t)))))
10020 (gnus-summary-position-point))
10021 (defun gnus-summary-catchup-all (&optional quietly)
10022 "Mark all articles in this newsgroup as read.
10023 This command is dangerous. Normally, you want \\[gnus-summary-catchup]
10024 instead, which marks only unread articles as read."
10026 (gnus-summary-catchup t quietly))
10028 (defun gnus-summary-catchup-and-exit (&optional all quietly)
10029 "Mark all unread articles in this group as read, then exit.
10030 If prefix argument ALL is non-nil, all articles are marked as read.
10031 If QUIETLY is non-nil, no questions will be asked."
10033 (when (gnus-summary-catchup all quietly nil 'fast)
10034 ;; Select next newsgroup or exit.
10035 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
10036 (eq gnus-auto-select-next 'quietly))
10037 (gnus-summary-next-group nil)
10038 (gnus-summary-exit))))
10040 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
10041 "Mark all articles in this newsgroup as read, and then exit.
10042 This command is dangerous. Normally, you want \\[gnus-summary-catchup-and-exit]
10043 instead, which marks only unread articles as read."
10045 (gnus-summary-catchup-and-exit t quietly))
10047 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
10048 "Mark all articles in this group as read and select the next group.
10049 If given a prefix, mark all articles, unread as well as ticked, as
10053 (gnus-summary-catchup all))
10054 (gnus-summary-next-group))
10060 (defmacro gnus-with-article (article &rest forms)
10061 "Select ARTICLE and perform FORMS in the original article buffer.
10062 Then replace the article with the result."
10064 ;; We don't want the article to be marked as read.
10065 (let (gnus-mark-article-hook)
10066 (gnus-summary-select-article t t nil ,article))
10067 (set-buffer gnus-original-article-buffer)
10069 (if (not (gnus-check-backend-function
10070 'request-replace-article (car gnus-article-current)))
10071 (gnus-message 5 "Read-only group; not replacing")
10072 (unless (gnus-request-replace-article
10073 ,article (car gnus-article-current)
10074 (current-buffer) t)
10075 (error "Couldn't replace article")))
10076 ;; The cache and backlog have to be flushed somewhat.
10077 (when gnus-keep-backlog
10078 (gnus-backlog-remove-article
10079 (car gnus-article-current) (cdr gnus-article-current)))
10080 (when gnus-use-cache
10081 (gnus-cache-update-article
10082 (car gnus-article-current) (cdr gnus-article-current)))))
10084 (put 'gnus-with-article 'lisp-indent-function 1)
10085 (put 'gnus-with-article 'edebug-form-spec '(form body))
10087 ;; Thread-based commands.
10089 (defun gnus-summary-articles-in-thread (&optional article)
10090 "Return a list of all articles in the current thread.
10091 If ARTICLE is non-nil, return all articles in the thread that starts
10092 with that article."
10093 (let* ((article (or article (gnus-summary-article-number)))
10094 (data (gnus-data-find-list article))
10095 (top-level (gnus-data-level (car data)))
10097 (cond ((null gnus-thread-operation-ignore-subject)
10098 (gnus-simplify-subject-re
10099 (mail-header-subject (gnus-data-header (car data)))))
10100 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
10101 (gnus-simplify-subject-fuzzy
10102 (mail-header-subject (gnus-data-header (car data)))))
10104 (end-point (save-excursion
10105 (if (gnus-summary-go-to-next-thread)
10106 (point) (point-max))))
10109 (< (gnus-data-pos (car data)) end-point))
10110 (when (or (not top-subject)
10111 (string= top-subject
10112 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
10113 (gnus-simplify-subject-fuzzy
10114 (mail-header-subject
10115 (gnus-data-header (car data))))
10116 (gnus-simplify-subject-re
10117 (mail-header-subject
10118 (gnus-data-header (car data)))))))
10119 (push (gnus-data-number (car data)) articles))
10120 (unless (and (setq data (cdr data))
10121 (> (gnus-data-level (car data)) top-level))
10123 ;; Return the list of articles.
10124 (nreverse articles)))
10126 (defun gnus-summary-rethread-current ()
10127 "Rethread the thread the current article is part of."
10129 (let* ((gnus-show-threads t)
10130 (article (gnus-summary-article-number))
10131 (id (mail-header-id (gnus-summary-article-header)))
10132 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
10134 (error "No article on the current line"))
10135 (gnus-rebuild-thread id)
10136 (gnus-summary-goto-subject article)))
10138 (defun gnus-summary-reparent-thread ()
10139 "Make the current article child of the marked (or previous) article.
10141 Note that the re-threading will only work if `gnus-thread-ignore-subject'
10142 is non-nil or the Subject: of both articles are the same."
10144 (unless (not (gnus-group-read-only-p))
10145 (error "The current newsgroup does not support article editing"))
10146 (unless (<= (length gnus-newsgroup-processable) 1)
10147 (error "No more than one article may be marked"))
10148 (save-window-excursion
10149 (let ((gnus-article-buffer " *reparent*")
10150 (current-article (gnus-summary-article-number))
10151 ;; First grab the marked article, otherwise one line up.
10152 (parent-article (if (not (null gnus-newsgroup-processable))
10153 (car gnus-newsgroup-processable)
10155 (if (eq (forward-line -1) 0)
10156 (gnus-summary-article-number)
10157 (error "Beginning of summary buffer"))))))
10158 (unless (not (eq current-article parent-article))
10159 (error "An article may not be self-referential"))
10160 (let ((message-id (mail-header-id
10161 (gnus-summary-article-header parent-article))))
10162 (unless (and message-id (not (equal message-id "")))
10163 (error "No message-id in desired parent"))
10164 (gnus-with-article current-article
10166 (goto-char (point-min))
10167 (message-narrow-to-head)
10168 (if (re-search-forward "^References: " nil t)
10170 (re-search-forward "^[^ \t]" nil t)
10173 (insert " " message-id))
10174 (insert "References: " message-id "\n"))))
10175 (set-buffer gnus-summary-buffer)
10176 (gnus-summary-unmark-all-processable)
10177 (gnus-summary-update-article current-article)
10178 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
10179 (gnus-summary-update-secondary-mark (cdr gnus-article-current)))
10180 (gnus-summary-rethread-current)
10181 (gnus-message 3 "Article %d is now the child of article %d"
10182 current-article parent-article)))))
10184 (defun gnus-summary-toggle-threads (&optional arg)
10185 "Toggle showing conversation threads.
10186 If ARG is positive number, turn showing conversation threads on."
10188 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
10189 (setq gnus-show-threads
10190 (if (null arg) (not gnus-show-threads)
10191 (> (prefix-numeric-value arg) 0)))
10192 (gnus-summary-prepare)
10193 (gnus-summary-goto-subject current)
10194 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
10195 (gnus-summary-position-point)))
10197 (defun gnus-summary-show-all-threads ()
10198 "Show all threads."
10201 (let ((buffer-read-only nil))
10202 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
10203 (gnus-summary-position-point))
10205 (defun gnus-summary-show-thread ()
10206 "Show thread subtrees.
10207 Returns nil if no thread was there to be shown."
10209 (let ((buffer-read-only nil)
10211 ;; first goto end then to beg, to have point at beg after let
10212 (end (progn (end-of-line) (point)))
10213 (beg (progn (beginning-of-line) (point))))
10215 ;; Any hidden lines here?
10216 (search-forward "\r" end t)
10217 (subst-char-in-region beg end ?\^M ?\n t)
10219 (gnus-summary-position-point))))
10221 (defun gnus-summary-maybe-hide-threads ()
10222 "If requested, hide the threads that should be hidden."
10223 (when (and gnus-show-threads
10224 gnus-thread-hide-subtree)
10225 (gnus-summary-hide-all-threads
10226 (if (or (consp gnus-thread-hide-subtree)
10227 (gnus-functionp gnus-thread-hide-subtree))
10228 (gnus-make-predicate gnus-thread-hide-subtree)
10231 ;;; Hiding predicates.
10233 (defun gnus-article-unread-p (header)
10234 (memq (mail-header-number header) gnus-newsgroup-unreads))
10236 (defun gnus-article-unseen-p (header)
10237 (memq (mail-header-number header) gnus-newsgroup-unseen))
10239 (defun gnus-map-articles (predicate articles)
10240 "Map PREDICATE over ARTICLES and return non-nil if any predicate is non-nil."
10241 (apply 'gnus-or (mapcar predicate
10242 (mapcar 'gnus-summary-article-header articles))))
10244 (defun gnus-summary-hide-all-threads (&optional predicate)
10245 "Hide all thread subtrees.
10246 If PREDICATE is supplied, threads that satisfy this predicate
10247 will not be hidden."
10250 (goto-char (point-min))
10253 (when (or (not predicate)
10255 predicate (gnus-summary-article-children)))
10256 (gnus-summary-hide-thread))
10257 (setq end (not (zerop (gnus-summary-next-thread 1 t)))))))
10258 (gnus-summary-position-point))
10260 (defun gnus-summary-hide-thread ()
10261 "Hide thread subtrees.
10262 If PREDICATE is supplied, threads that satisfy this predicate
10263 will not be hidden.
10264 Returns nil if no threads were there to be hidden."
10266 (let ((buffer-read-only nil)
10268 (article (gnus-summary-article-number)))
10270 ;; Go forward until either the buffer ends or the subthread
10272 (when (and (not (eobp))
10273 (or (zerop (gnus-summary-next-thread 1 t))
10274 (goto-char (point-max))))
10276 (if (and (> (point) start)
10277 (search-backward "\n" start t))
10279 (subst-char-in-region start (point) ?\n ?\^M)
10280 (gnus-summary-goto-subject article))
10284 (defun gnus-summary-go-to-next-thread (&optional previous)
10285 "Go to the same level (or less) next thread.
10286 If PREVIOUS is non-nil, go to previous thread instead.
10287 Return the article number moved to, or nil if moving was impossible."
10288 (let ((level (gnus-summary-thread-level))
10289 (way (if previous -1 1))
10292 (while (and (not (eobp))
10293 (< level (gnus-summary-thread-level)))
10294 (forward-line way))
10301 (gnus-summary-article-number)
10302 (goto-char beg)))))
10304 (defun gnus-summary-next-thread (n &optional silent)
10305 "Go to the same level next N'th thread.
10306 If N is negative, search backward instead.
10307 Returns the difference between N and the number of skips actually
10310 If SILENT, don't output messages."
10312 (let ((backward (< n 0))
10314 (while (and (> n 0)
10315 (gnus-summary-go-to-next-thread backward))
10318 (gnus-summary-position-point))
10319 (when (and (not silent) (/= 0 n))
10320 (gnus-message 7 "No more threads"))
10323 (defun gnus-summary-prev-thread (n)
10324 "Go to the same level previous N'th thread.
10325 Returns the difference between N and the number of skips actually
10328 (gnus-summary-next-thread (- n)))
10330 (defun gnus-summary-go-down-thread ()
10331 "Go down one level in the current thread."
10332 (let ((children (gnus-summary-article-children)))
10334 (gnus-summary-goto-subject (car children)))))
10336 (defun gnus-summary-go-up-thread ()
10337 "Go up one level in the current thread."
10338 (let ((parent (gnus-summary-article-parent)))
10340 (gnus-summary-goto-subject parent))))
10342 (defun gnus-summary-down-thread (n)
10343 "Go down thread N steps.
10344 If N is negative, go up instead.
10345 Returns the difference between N and how many steps down that were
10350 (while (and (> n 0)
10351 (if up (gnus-summary-go-up-thread)
10352 (gnus-summary-go-down-thread)))
10354 (gnus-summary-position-point)
10356 (gnus-message 7 "Can't go further"))
10359 (defun gnus-summary-up-thread (n)
10360 "Go up thread N steps.
10361 If N is negative, go down instead.
10362 Returns the difference between N and how many steps down that were
10365 (gnus-summary-down-thread (- n)))
10367 (defun gnus-summary-top-thread ()
10368 "Go to the top of the thread."
10370 (while (gnus-summary-go-up-thread))
10371 (gnus-summary-article-number))
10373 (defun gnus-summary-kill-thread (&optional unmark)
10374 "Mark articles under current thread as read.
10375 If the prefix argument is positive, remove any kinds of marks.
10376 If the prefix argument is negative, tick articles instead."
10379 (setq unmark (prefix-numeric-value unmark)))
10380 (let ((articles (gnus-summary-articles-in-thread)))
10382 ;; Expand the thread.
10383 (gnus-summary-show-thread)
10384 ;; Mark all the articles.
10386 (gnus-summary-goto-subject (car articles))
10387 (cond ((null unmark)
10388 (gnus-summary-mark-article-as-read gnus-killed-mark))
10390 (gnus-summary-mark-article-as-unread gnus-unread-mark))
10392 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
10393 (setq articles (cdr articles))))
10394 ;; Hide killed subtrees.
10396 gnus-thread-hide-killed
10397 (gnus-summary-hide-thread))
10398 ;; If marked as read, go to next unread subject.
10399 (when (null unmark)
10400 ;; Go to next unread subject.
10401 (gnus-summary-next-subject 1 t)))
10402 (gnus-set-mode-line 'summary))
10404 ;; Summary sorting commands
10406 (defun gnus-summary-sort-by-number (&optional reverse)
10407 "Sort the summary buffer by article number.
10408 Argument REVERSE means reverse order."
10410 (gnus-summary-sort 'number reverse))
10412 (defun gnus-summary-sort-by-random (&optional reverse)
10413 "Randomize the order in the summary buffer.
10414 Argument REVERSE means to randomize in reverse order."
10416 (gnus-summary-sort 'random reverse))
10418 (defun gnus-summary-sort-by-author (&optional reverse)
10419 "Sort the summary buffer by author name alphabetically.
10420 If `case-fold-search' is non-nil, case of letters is ignored.
10421 Argument REVERSE means reverse order."
10423 (gnus-summary-sort 'author reverse))
10425 (defun gnus-summary-sort-by-subject (&optional reverse)
10426 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
10427 If `case-fold-search' is non-nil, case of letters is ignored.
10428 Argument REVERSE means reverse order."
10430 (gnus-summary-sort 'subject reverse))
10432 (defun gnus-summary-sort-by-date (&optional reverse)
10433 "Sort the summary buffer by date.
10434 Argument REVERSE means reverse order."
10436 (gnus-summary-sort 'date reverse))
10438 (defun gnus-summary-sort-by-score (&optional reverse)
10439 "Sort the summary buffer by score.
10440 Argument REVERSE means reverse order."
10442 (gnus-summary-sort 'score reverse))
10444 (defun gnus-summary-sort-by-lines (&optional reverse)
10445 "Sort the summary buffer by the number of lines.
10446 Argument REVERSE means reverse order."
10448 (gnus-summary-sort 'lines reverse))
10450 (defun gnus-summary-sort-by-chars (&optional reverse)
10451 "Sort the summary buffer by article length.
10452 Argument REVERSE means reverse order."
10454 (gnus-summary-sort 'chars reverse))
10456 (defun gnus-summary-sort-by-original (&optional reverse)
10457 "Sort the summary buffer using the default sorting method.
10458 Argument REVERSE means reverse order."
10460 (let* ((buffer-read-only)
10461 (gnus-summary-prepare-hook nil))
10462 ;; We do the sorting by regenerating the threads.
10463 (gnus-summary-prepare)
10464 ;; Hide subthreads if needed.
10465 (gnus-summary-maybe-hide-threads)))
10467 (defun gnus-summary-sort (predicate reverse)
10468 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
10469 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
10470 (article (intern (format "gnus-article-sort-by-%s" predicate)))
10471 (gnus-thread-sort-functions
10476 (gnus-sort-gathered-threads-function
10477 gnus-thread-sort-functions)
10478 (gnus-article-sort-functions
10482 (,article t2 t1))))
10484 (gnus-summary-prepare-hook nil))
10485 ;; We do the sorting by regenerating the threads.
10486 (gnus-summary-prepare)
10487 ;; Hide subthreads if needed.
10488 (gnus-summary-maybe-hide-threads)))
10490 ;; Summary saving commands.
10492 (defun gnus-summary-save-article (&optional n not-saved)
10493 "Save the current article using the default saver function.
10494 If N is a positive number, save the N next articles.
10495 If N is a negative number, save the N previous articles.
10496 If N is nil and any articles have been marked with the process mark,
10497 save those articles instead.
10498 The variable `gnus-default-article-saver' specifies the saver function."
10500 (let* ((articles (gnus-summary-work-articles n))
10501 (save-buffer (save-excursion
10502 (nnheader-set-temp-buffer " *Gnus Save*")))
10503 (num (length articles))
10505 (dolist (article articles)
10506 (setq header (gnus-summary-article-header article))
10507 (if (not (vectorp header))
10508 ;; This is a pseudo-article.
10509 (if (assq 'name header)
10510 (gnus-copy-file (cdr (assq 'name header)))
10511 (gnus-message 1 "Article %d is unsaveable" article))
10512 ;; This is a real article.
10513 (save-window-excursion
10514 (let ((gnus-display-mime-function nil)
10515 (gnus-article-prepare-hook nil))
10516 (gnus-summary-select-article t nil nil article)))
10518 (set-buffer save-buffer)
10520 (insert-buffer-substring gnus-original-article-buffer))
10521 (setq file (gnus-article-save save-buffer file num))
10522 (gnus-summary-remove-process-mark article)
10524 (gnus-summary-set-saved-mark article))))
10525 (gnus-kill-buffer save-buffer)
10526 (gnus-summary-position-point)
10527 (gnus-set-mode-line 'summary)
10530 (defun gnus-summary-pipe-output (&optional arg headers)
10531 "Pipe the current article to a subprocess.
10532 If N is a positive number, pipe the N next articles.
10533 If N is a negative number, pipe the N previous articles.
10534 If N is nil and any articles have been marked with the process mark,
10535 pipe those articles instead.
10536 If HEADERS (the symbolic prefix), include the headers, too."
10537 (interactive (gnus-interactive "P\ny"))
10538 (require 'gnus-art)
10539 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe)
10540 (gnus-save-all-headers (or headers gnus-save-all-headers)))
10541 (gnus-summary-save-article arg t))
10542 (let ((buffer (get-buffer "*Shell Command Output*")))
10544 (not (zerop (buffer-size buffer))))
10545 (gnus-configure-windows 'pipe))))
10547 (defun gnus-summary-save-article-mail (&optional arg)
10548 "Append the current article to an mail file.
10549 If N is a positive number, save the N next articles.
10550 If N is a negative number, save the N previous articles.
10551 If N is nil and any articles have been marked with the process mark,
10552 save those articles instead."
10554 (require 'gnus-art)
10555 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
10556 (gnus-summary-save-article arg)))
10558 (defun gnus-summary-save-article-rmail (&optional arg)
10559 "Append the current article to an rmail file.
10560 If N is a positive number, save the N next articles.
10561 If N is a negative number, save the N previous articles.
10562 If N is nil and any articles have been marked with the process mark,
10563 save those articles instead."
10565 (require 'gnus-art)
10566 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
10567 (gnus-summary-save-article arg)))
10569 (defun gnus-summary-save-article-file (&optional arg)
10570 "Append the current article to a file.
10571 If N is a positive number, save the N next articles.
10572 If N is a negative number, save the N previous articles.
10573 If N is nil and any articles have been marked with the process mark,
10574 save those articles instead."
10576 (require 'gnus-art)
10577 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
10578 (gnus-summary-save-article arg)))
10580 (defun gnus-summary-write-article-file (&optional arg)
10581 "Write the current article to a file, deleting the previous file.
10582 If N is a positive number, save the N next articles.
10583 If N is a negative number, save the N previous articles.
10584 If N is nil and any articles have been marked with the process mark,
10585 save those articles instead."
10587 (require 'gnus-art)
10588 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
10589 (gnus-summary-save-article arg)))
10591 (defun gnus-summary-save-article-body-file (&optional arg)
10592 "Append the current article body to a file.
10593 If N is a positive number, save the N next articles.
10594 If N is a negative number, save the N previous articles.
10595 If N is nil and any articles have been marked with the process mark,
10596 save those articles instead."
10598 (require 'gnus-art)
10599 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
10600 (gnus-summary-save-article arg)))
10602 (defun gnus-summary-muttprint (&optional arg)
10603 "Print the current article using Muttprint.
10604 If N is a positive number, save the N next articles.
10605 If N is a negative number, save the N previous articles.
10606 If N is nil and any articles have been marked with the process mark,
10607 save those articles instead."
10609 (require 'gnus-art)
10610 (let ((gnus-default-article-saver 'gnus-summary-pipe-to-muttprint))
10611 (gnus-summary-save-article arg t)))
10613 (defun gnus-summary-pipe-message (program)
10614 "Pipe the current article through PROGRAM."
10615 (interactive "sProgram: ")
10616 (gnus-summary-select-article)
10617 (let ((mail-header-separator ""))
10618 (gnus-eval-in-buffer-window gnus-article-buffer
10621 (let ((start (window-start))
10623 (message-pipe-buffer-body program)
10624 (set-window-start (get-buffer-window (current-buffer)) start))))))
10626 (defun gnus-get-split-value (methods)
10627 "Return a value based on the split METHODS."
10628 (let (split-name method result match)
10631 (set-buffer gnus-original-article-buffer)
10633 (nnheader-narrow-to-headers)
10634 (while (and methods (not split-name))
10635 (goto-char (point-min))
10636 (setq method (pop methods))
10637 (setq match (car method))
10640 ;; Regular expression.
10642 (re-search-forward match nil t)))
10643 ((gnus-functionp match)
10647 (setq result (funcall match gnus-newsgroup-name))))
10652 (setq result (eval match)))))
10653 (setq split-name (cdr method))
10654 (cond ((stringp result)
10655 (push (expand-file-name
10656 result gnus-article-save-directory)
10659 (setq split-name (append result split-name)))))))))
10660 (nreverse split-name)))
10662 (defun gnus-valid-move-group-p (group)
10663 (and (boundp group)
10664 (symbol-name group)
10665 (symbol-value group)
10666 (gnus-get-function (gnus-find-method-for-group
10667 (symbol-name group)) 'request-accept-article t)))
10669 (defun gnus-read-move-group-name (prompt default articles prefix)
10670 "Read a group name."
10671 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
10672 (minibuffer-confirm-incomplete nil) ; XEmacs
10674 (format "%s %s to:"
10676 (if (> (length articles) 1)
10677 (format "these %d articles" (length articles))
10682 (gnus-completing-read-with-default
10685 'gnus-valid-move-group-p
10687 'gnus-group-history))
10688 ((= 1 (length split-name))
10689 (gnus-completing-read-with-default
10690 (car split-name) prom
10692 'gnus-valid-move-group-p
10694 'gnus-group-history))
10696 (gnus-completing-read-with-default
10698 (mapcar (lambda (el) (list el))
10699 (nreverse split-name))
10701 'gnus-group-history))))
10702 (to-method (gnus-server-to-method (gnus-group-method to-newsgroup))))
10704 (if (or (string= to-newsgroup "")
10705 (string= to-newsgroup prefix))
10706 (setq to-newsgroup default))
10707 (unless to-newsgroup
10708 (error "No group name entered"))
10709 (or (gnus-active to-newsgroup)
10710 (gnus-activate-group to-newsgroup nil nil to-method)
10711 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
10713 (or (and (gnus-request-create-group to-newsgroup to-method)
10714 (gnus-activate-group
10715 to-newsgroup nil nil to-method)
10716 (gnus-subscribe-group to-newsgroup))
10717 (error "Couldn't create group %s" to-newsgroup)))
10718 (error "No such group: %s" to-newsgroup)))
10721 (defun gnus-summary-save-parts (type dir n &optional reverse)
10722 "Save parts matching TYPE to DIR.
10723 If REVERSE, save parts that do not match TYPE."
10725 (list (read-string "Save parts of type: "
10726 (or (car gnus-summary-save-parts-type-history)
10727 gnus-summary-save-parts-default-mime)
10728 'gnus-summary-save-parts-type-history)
10729 (setq gnus-summary-save-parts-last-directory
10730 (read-file-name "Save to directory: "
10731 gnus-summary-save-parts-last-directory
10733 current-prefix-arg))
10734 (gnus-summary-iterate n
10735 (let ((gnus-display-mime-function nil)
10736 (gnus-inhibit-treatment t))
10737 (gnus-summary-select-article))
10739 (set-buffer gnus-article-buffer)
10740 (let ((handles (or gnus-article-mime-handles
10741 (mm-dissect-buffer nil gnus-article-loose-mime)
10742 (and gnus-article-emulate-mime
10743 (mm-uu-dissect)))))
10745 (gnus-summary-save-parts-1 type dir handles reverse)
10746 (unless gnus-article-mime-handles ;; Don't destroy this case.
10747 (mm-destroy-parts handles)))))))
10749 (defun gnus-summary-save-parts-1 (type dir handle reverse)
10750 (if (stringp (car handle))
10751 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
10754 (not (string-match type (mm-handle-media-type handle)))
10755 (string-match type (mm-handle-media-type handle)))
10756 (let ((file (expand-file-name
10757 (file-name-nondirectory
10759 (mail-content-type-get
10760 (mm-handle-disposition handle) 'filename)
10761 (concat gnus-newsgroup-name
10762 "." (number-to-string
10763 (cdr gnus-article-current)))))
10765 (unless (file-exists-p file)
10766 (mm-save-part-to-file handle file))))))
10768 ;; Summary extract commands
10770 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
10771 (let ((buffer-read-only nil)
10772 (article (gnus-summary-article-number))
10774 (unless (gnus-summary-goto-subject article)
10775 (error "No such article: %d" article))
10776 (gnus-summary-position-point)
10777 ;; If all commands are to be bunched up on one line, we collect
10779 (unless gnus-view-pseudos-separately
10780 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
10783 (setq action (cdr (assq 'action (car ps))))
10784 (setq files (list (cdr (assq 'name (car ps)))))
10785 (while (and ps (cdr ps)
10786 (string= (or action "1")
10787 (or (cdr (assq 'action (cadr ps))) "2")))
10788 (push (cdr (assq 'name (cadr ps))) files)
10789 (setcdr ps (cddr ps)))
10791 (when (not (string-match "%s" action))
10794 (when (assq 'execute (car ps))
10795 (setcdr (assq 'execute (car ps))
10796 (funcall (if (string-match "%s" action)
10805 (setq ps (cdr ps)))))
10806 (if (and gnus-view-pseudos (not not-view))
10808 (when (assq 'execute (car pslist))
10809 (gnus-execute-command (cdr (assq 'execute (car pslist)))
10810 (eq gnus-view-pseudos 'not-confirm)))
10811 (setq pslist (cdr pslist)))
10814 (setq after-article (or (cdr (assq 'article (car pslist)))
10815 (gnus-summary-article-number)))
10816 (gnus-summary-goto-subject after-article)
10819 (insert " " (file-name-nondirectory
10820 (cdr (assq 'name (car pslist))))
10821 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
10823 (forward-line -1) ; back to `b'
10824 (gnus-add-text-properties
10825 b (1- e) (list 'gnus-number gnus-reffed-article-number
10826 gnus-mouse-face-prop gnus-mouse-face))
10828 after-article gnus-reffed-article-number
10829 gnus-unread-mark b (car pslist) 0 (- e b))
10830 (setq gnus-newsgroup-unreads
10831 (gnus-add-to-sorted-list gnus-newsgroup-unreads
10832 gnus-reffed-article-number))
10833 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
10834 (setq pslist (cdr pslist)))))))
10836 (defun gnus-pseudos< (p1 p2)
10837 (let ((c1 (cdr (assq 'action p1)))
10838 (c2 (cdr (assq 'action p2))))
10839 (and c1 c2 (string< c1 c2))))
10841 (defun gnus-request-pseudo-article (props)
10842 (cond ((assq 'execute props)
10843 (gnus-execute-command (cdr (assq 'execute props)))))
10844 (let ((gnus-current-article (gnus-summary-article-number)))
10845 (gnus-run-hooks 'gnus-mark-article-hook)))
10847 (defun gnus-execute-command (command &optional automatic)
10849 (gnus-article-setup-buffer)
10850 (set-buffer gnus-article-buffer)
10851 (setq buffer-read-only nil)
10852 (let ((command (if automatic command
10853 (read-string "Command: " (cons command 0)))))
10855 (insert "$ " command "\n\n")
10856 (if gnus-view-pseudo-asynchronously
10857 (start-process "gnus-execute" (current-buffer) shell-file-name
10858 shell-command-switch command)
10859 (call-process shell-file-name nil t nil
10860 shell-command-switch command)))))
10862 ;; Summary kill commands.
10864 (defun gnus-summary-edit-global-kill (article)
10865 "Edit the \"global\" kill file."
10866 (interactive (list (gnus-summary-article-number)))
10867 (gnus-group-edit-global-kill article))
10869 (defun gnus-summary-edit-local-kill ()
10870 "Edit a local kill file applied to the current newsgroup."
10872 (setq gnus-current-headers (gnus-summary-article-header))
10873 (gnus-group-edit-local-kill
10874 (gnus-summary-article-number) gnus-newsgroup-name))
10876 ;;; Header reading.
10878 (defun gnus-read-header (id &optional header)
10879 "Read the headers of article ID and enter them into the Gnus system."
10880 (let ((group gnus-newsgroup-name)
10881 (gnus-override-method
10883 gnus-override-method
10884 (and (gnus-news-group-p gnus-newsgroup-name)
10885 (car (gnus-refer-article-methods)))))
10887 ;; First we check to see whether the header in question is already
10890 ;; This is a Message-ID.
10891 (setq header (or header (gnus-id-to-header id)))
10892 ;; This is an article number.
10893 (setq header (or header (gnus-summary-article-header id))))
10895 (not (gnus-summary-article-sparse-p (mail-header-number header))))
10896 ;; We have found the header.
10898 ;; If this is a sparse article, we have to nix out its
10899 ;; previous entry in the thread hashtb.
10901 (gnus-summary-article-sparse-p (mail-header-number header)))
10902 (let* ((parent (gnus-parent-id (mail-header-references header)))
10903 (thread (and parent (gnus-id-to-thread parent))))
10905 (delq (assq header thread) thread))))
10906 ;; We have to really fetch the header to this article.
10908 (set-buffer nntp-server-buffer)
10909 (when (setq where (gnus-request-head id group))
10910 (nnheader-fold-continuation-lines)
10911 (goto-char (point-max))
10913 (goto-char (point-min))
10917 ((cdr where) (cdr where))
10918 (header (mail-header-number header))
10919 (t gnus-reffed-article-number))
10921 (insert " Article retrieved.\n"))
10922 (if (or (not where)
10923 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
10924 () ; Malformed head.
10925 (unless (gnus-summary-article-sparse-p (mail-header-number header))
10926 (when (and (stringp id)
10927 (not (string= (gnus-group-real-name group)
10929 ;; If we fetched by Message-ID and the article came
10930 ;; from a different group, we fudge some bogus article
10931 ;; numbers for this article.
10932 (mail-header-set-number header gnus-reffed-article-number))
10934 (set-buffer gnus-summary-buffer)
10935 (decf gnus-reffed-article-number)
10936 (gnus-remove-header (mail-header-number header))
10937 (push header gnus-newsgroup-headers)
10938 (setq gnus-current-headers header)
10939 (push (mail-header-number header) gnus-newsgroup-limit)))
10942 (defun gnus-remove-header (number)
10943 "Remove header NUMBER from `gnus-newsgroup-headers'."
10944 (if (and gnus-newsgroup-headers
10945 (= number (mail-header-number (car gnus-newsgroup-headers))))
10946 (pop gnus-newsgroup-headers)
10947 (let ((headers gnus-newsgroup-headers))
10948 (while (and (cdr headers)
10949 (not (= number (mail-header-number (cadr headers)))))
10951 (when (cdr headers)
10952 (setcdr headers (cddr headers))))))
10955 ;;; summary highlights
10958 (defun gnus-highlight-selected-summary ()
10959 "Highlight selected article in summary buffer."
10960 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
10961 (when gnus-summary-selected-face
10963 (let* ((beg (progn (beginning-of-line) (point)))
10964 (end (progn (end-of-line) (point)))
10965 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
10966 (from (if (get-text-property beg gnus-mouse-face-prop)
10968 (or (next-single-property-change
10969 beg gnus-mouse-face-prop nil end)
10974 (or (next-single-property-change
10975 from gnus-mouse-face-prop nil end)
10977 ;; If no mouse-face prop on line we will have to = from = end,
10978 ;; so we highlight the entire line instead.
10979 (when (= (+ to 2) from)
10982 (if gnus-newsgroup-selected-overlay
10983 ;; Move old overlay.
10985 gnus-newsgroup-selected-overlay from to (current-buffer))
10986 ;; Create new overlay.
10988 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
10989 'face gnus-summary-selected-face))))))
10991 (defvar gnus-summary-highlight-line-cached nil)
10992 (defvar gnus-summary-highlight-line-trigger nil)
10994 (defun gnus-summary-highlight-line-0 ()
10995 (if (and (eq gnus-summary-highlight-line-trigger
10996 gnus-summary-highlight)
10997 gnus-summary-highlight-line-cached)
10998 gnus-summary-highlight-line-cached
10999 (setq gnus-summary-highlight-line-trigger gnus-summary-highlight
11000 gnus-summary-highlight-line-cached
11001 (let* ((cond (list 'cond))
11003 (list gnus-summary-highlight))
11005 (setcdr c (cons (list (caar list) (list 'quote (cdar list))) nil))
11008 (gnus-byte-compile (list 'lambda nil cond))))))
11010 (defun gnus-summary-highlight-line ()
11011 "Highlight current line according to `gnus-summary-highlight'."
11012 (let* ((beg (gnus-point-at-bol))
11013 (article (or (gnus-summary-article-number) gnus-current-article))
11014 (score (or (cdr (assq article
11015 gnus-newsgroup-scored))
11016 gnus-summary-default-score 0))
11017 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
11018 (inhibit-read-only t)
11019 (default gnus-summary-default-score)
11020 (default-high gnus-summary-default-high-score)
11021 (default-low gnus-summary-default-low-score)
11022 (uncached (memq article gnus-newsgroup-undownloaded))
11023 (downloaded (not uncached)))
11024 (let ((face (funcall (gnus-summary-highlight-line-0))))
11025 (unless (eq face (get-text-property beg 'face))
11026 (gnus-put-text-property-excluding-characters-with-faces
11027 beg (gnus-point-at-eol) 'face
11028 (setq face (if (boundp face) (symbol-value face) face)))
11029 (when gnus-summary-highlight-line-function
11030 (funcall gnus-summary-highlight-line-function article face))))))
11032 (defun gnus-update-read-articles (group unread &optional compute)
11033 "Update the list of read articles in GROUP.
11034 UNREAD is a sorted list."
11035 (let* ((active (or gnus-newsgroup-active (gnus-active group)))
11036 (entry (gnus-gethash group gnus-newsrc-hashtb))
11037 (info (nth 2 entry))
11040 (if (or (not info) (not active))
11041 ;; There is no info on this group if it was, in fact,
11042 ;; killed. Gnus stores no information on killed groups, so
11043 ;; there's nothing to be done.
11044 ;; One could store the information somewhere temporarily,
11045 ;; perhaps... Hmmm...
11047 ;; Remove any negative articles numbers.
11048 (while (and unread (< (car unread) 0))
11049 (setq unread (cdr unread)))
11050 ;; Remove any expired article numbers
11051 (while (and unread (< (car unread) (car active)))
11052 (setq unread (cdr unread)))
11053 ;; Compute the ranges of read articles by looking at the list of
11054 ;; unread articles.
11056 (when (/= (car unread) prev)
11057 (push (if (= prev (1- (car unread))) prev
11058 (cons prev (1- (car unread))))
11060 (setq prev (1+ (car unread)))
11061 (setq unread (cdr unread)))
11062 (when (<= prev (cdr active))
11063 (push (cons prev (cdr active)) read))
11064 (setq read (if (> (length read) 1) (nreverse read) read))
11069 ;; Propagate the read marks to the backend.
11070 (when (gnus-check-backend-function 'request-set-mark group)
11071 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
11072 (add (gnus-remove-from-range read (gnus-info-read info))))
11074 (unless (gnus-check-group group)
11075 (error "Can't open server for %s" group))
11076 (gnus-request-set-mark
11077 group (delq nil (list (if add (list add 'add '(read)))
11078 (if del (list del 'del '(read))))))
11080 `(gnus-request-set-mark
11083 (if del (list del 'add '(read)))
11084 (if add (list add 'del '(read))))))))))
11085 (set-buffer gnus-group-buffer)
11086 (gnus-undo-register
11088 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
11089 (gnus-info-set-read ',info ',(gnus-info-read info))
11090 (gnus-get-unread-articles-in-group ',info
11091 (gnus-active ,group))
11092 (gnus-group-update-group ,group t)
11094 ;; Enter this list into the group info.
11095 (gnus-info-set-read info read)
11096 ;; Set the number of unread articles in gnus-newsrc-hashtb.
11097 (gnus-get-unread-articles-in-group info (gnus-active group))
11100 (defun gnus-offer-save-summaries ()
11101 "Offer to save all active summary buffers."
11103 ;; Go through all buffers and find all summaries.
11104 (dolist (buffer (buffer-list))
11105 (when (and (setq buffer (buffer-name buffer))
11106 (string-match "Summary" buffer)
11108 (set-buffer buffer)
11109 ;; We check that this is, indeed, a summary buffer.
11110 (and (eq major-mode 'gnus-summary-mode)
11111 ;; Also make sure this isn't bogus.
11112 gnus-newsgroup-prepared
11113 ;; Also make sure that this isn't a
11114 ;; dead summary buffer.
11115 (not gnus-dead-summary-mode))))
11116 (push buffer buffers)))
11117 ;; Go through all these summary buffers and offer to save them.
11121 "Update summary buffer %s? "
11123 (switch-to-buffer buf)
11124 (gnus-summary-exit))
11127 (defun gnus-summary-setup-default-charset ()
11128 "Setup newsgroup default charset."
11129 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
11130 (setq gnus-newsgroup-charset nil)
11131 (let* ((ignored-charsets
11132 (or gnus-newsgroup-ephemeral-ignored-charsets
11134 (and gnus-newsgroup-name
11135 (gnus-parameter-ignored-charsets gnus-newsgroup-name))
11136 gnus-newsgroup-ignored-charsets))))
11137 (setq gnus-newsgroup-charset
11138 (or gnus-newsgroup-ephemeral-charset
11139 (and gnus-newsgroup-name
11140 (gnus-parameter-charset gnus-newsgroup-name))
11141 gnus-default-charset))
11142 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
11143 ignored-charsets))))
11149 (defun gnus-summary-display-buttonized (&optional show-all-parts)
11150 "Display the current article buffer fully MIME-buttonized.
11151 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
11152 treated as multipart/mixed."
11154 (require 'gnus-art)
11155 (let ((gnus-unbuttonized-mime-types nil)
11156 (gnus-mime-display-multipart-as-mixed show-all-parts))
11157 (gnus-summary-show-article)))
11159 (defun gnus-summary-repair-multipart (article)
11160 "Add a Content-Type header to a multipart article without one."
11161 (interactive (list (gnus-summary-article-number)))
11162 (gnus-with-article article
11163 (message-narrow-to-head)
11164 (message-remove-header "Mime-Version")
11165 (goto-char (point-max))
11166 (insert "Mime-Version: 1.0\n")
11168 (when (search-forward "\n--" nil t)
11169 (let ((separator (buffer-substring (point) (gnus-point-at-eol))))
11170 (message-narrow-to-head)
11171 (message-remove-header "Content-Type")
11172 (goto-char (point-max))
11173 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
11176 (let (gnus-mark-article-hook)
11177 (gnus-summary-select-article t t nil article)))
11179 (defun gnus-summary-toggle-display-buttonized ()
11180 "Toggle the buttonizing of the article buffer."
11182 (require 'gnus-art)
11183 (if (setq gnus-inhibit-mime-unbuttonizing
11184 (not gnus-inhibit-mime-unbuttonizing))
11185 (let ((gnus-unbuttonized-mime-types nil))
11186 (gnus-summary-show-article))
11187 (gnus-summary-show-article)))
11190 ;;; Generic summary marking commands
11193 (defvar gnus-summary-marking-alist
11194 '((read gnus-del-mark "d")
11195 (unread gnus-unread-mark "u")
11196 (ticked gnus-ticked-mark "!")
11197 (dormant gnus-dormant-mark "?")
11198 (expirable gnus-expirable-mark "e"))
11199 "An alist of names/marks/keystrokes.")
11201 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
11202 (defvar gnus-summary-mark-map)
11204 (defun gnus-summary-make-all-marking-commands ()
11205 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
11206 (dolist (elem gnus-summary-marking-alist)
11207 (apply 'gnus-summary-make-marking-command elem)))
11209 (defun gnus-summary-make-marking-command (name mark keystroke)
11210 (let ((map (make-sparse-keymap)))
11211 (define-key gnus-summary-generic-mark-map keystroke map)
11212 (dolist (lway `((next "next" next nil "n")
11213 (next-unread "next unread" next t "N")
11214 (prev "previous" prev nil "p")
11215 (prev-unread "previous unread" prev t "P")
11216 (nomove "" nil nil ,keystroke)))
11217 (let ((func (gnus-summary-make-marking-command-1
11218 mark (car lway) lway name)))
11219 (setq func (eval func))
11220 (define-key map (nth 4 lway) func)))))
11222 (defun gnus-summary-make-marking-command-1 (mark way lway name)
11224 (format "gnus-summary-put-mark-as-%s%s"
11225 name (if (eq way 'nomove)
11227 (concat "-" (symbol-name way)))))
11230 "Mark the current article as %s%s.
11231 If N, the prefix, then repeat N times.
11232 If N is negative, move in reverse order.
11233 The difference between N and the actual number of articles marked is
11237 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
11239 (defun gnus-summary-generic-mark (n mark move unread)
11240 "Mark N articles with MARK."
11241 (unless (eq major-mode 'gnus-summary-mode)
11242 (error "This command can only be used in the summary buffer"))
11243 (gnus-summary-show-thread)
11246 ((eq move 'next) 1)
11247 ((eq move 'prev) -1)
11249 (if (zerop nummove)
11253 nummove (* -1 nummove))))
11254 (while (and (> n 0)
11255 (gnus-summary-mark-article nil mark)
11256 (zerop (gnus-summary-next-subject nummove unread t)))
11259 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
11260 (gnus-summary-recenter)
11261 (gnus-summary-position-point)
11262 (gnus-set-mode-line 'summary)
11265 (defun gnus-summary-insert-articles (articles)
11266 (when (setq articles
11267 (gnus-sorted-difference articles
11268 (mapcar (lambda (h)
11269 (mail-header-number h))
11270 gnus-newsgroup-headers)))
11271 (setq gnus-newsgroup-headers
11273 gnus-newsgroup-headers
11274 (gnus-fetch-headers articles)
11275 'gnus-article-sort-by-number))
11276 ;; Suppress duplicates?
11277 (when gnus-suppress-duplicates
11278 (gnus-dup-suppress-articles))
11280 ;; We might want to build some more threads first.
11281 (when (and gnus-fetch-old-headers
11282 (eq gnus-headers-retrieved-by 'nov))
11283 (if (eq gnus-fetch-old-headers 'invisible)
11284 (gnus-build-all-threads)
11285 (gnus-build-old-threads)))
11286 ;; Let the Gnus agent mark articles as read.
11288 (gnus-agent-get-undownloaded-list))
11289 ;; Remove list identifiers from subject
11290 (when gnus-list-identifiers
11291 (gnus-summary-remove-list-identifiers))
11292 ;; First and last article in this newsgroup.
11293 (when gnus-newsgroup-headers
11294 (setq gnus-newsgroup-begin
11295 (mail-header-number (car gnus-newsgroup-headers))
11297 (mail-header-number
11298 (gnus-last-element gnus-newsgroup-headers))))
11299 (when gnus-use-scoring
11300 (gnus-possibly-score-headers))))
11302 (defun gnus-summary-insert-old-articles (&optional all)
11303 "Insert all old articles in this group.
11304 If ALL is non-nil, already read articles become readable.
11305 If ALL is a number, fetch this number of articles."
11308 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
11311 ;; Some nntp servers lie about their active range. When
11312 ;; this happens, the active range can be in the millions.
11313 ;; Use a compressed range to avoid creating a huge list.
11314 (gnus-range-difference (list gnus-newsgroup-active) old))
11315 (setq len (gnus-range-length older))
11320 (let ((older-range (nreverse older)))
11324 (let* ((r (pop older-range))
11325 (min (if (numberp r) r (car r)))
11326 (max (if (numberp r) r (cdr r))))
11327 (while (and (<= min max)
11332 (setq older (gnus-uncompress-range older))))
11334 (setq older (gnus-uncompress-range older)))
11336 (when (and (numberp gnus-large-newsgroup)
11337 (> len gnus-large-newsgroup))
11338 (let* ((cursor-in-echo-area nil)
11339 (initial (gnus-parameter-large-newsgroup-initial
11340 gnus-newsgroup-name))
11344 "How many articles from %s (%s %d): "
11346 (gnus-group-decoded-name gnus-newsgroup-name) 35)
11347 (if initial "max" "default")
11350 (cons (number-to-string initial)
11352 (unless (string-match "^[ \t]*$" input)
11353 (setq all (string-to-number input))
11355 (let ((older-range (nreverse older)))
11359 (let* ((r (pop older-range))
11360 (min (if (numberp r) r (car r)))
11361 (max (if (numberp r) r (cdr r))))
11362 (while (and (<= min max)
11366 max (1- max))))))))))
11367 (setq older (gnus-uncompress-range older))))
11369 (message "No old news.")
11370 (gnus-summary-insert-articles older)
11371 (gnus-summary-limit (gnus-sorted-nunion old older))))
11372 (gnus-summary-position-point)))
11374 (defun gnus-summary-insert-new-articles ()
11375 "Insert all new articles in this group."
11378 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
11379 (old-active gnus-newsgroup-active)
11380 (nnmail-fetched-sources (list t))
11382 (setq gnus-newsgroup-active
11383 (gnus-activate-group gnus-newsgroup-name 'scan))
11384 (setq i (cdr gnus-newsgroup-active))
11385 (while (> i (cdr old-active))
11389 (message "No gnus is bad news.")
11390 (gnus-summary-insert-articles new)
11391 (setq gnus-newsgroup-unreads
11392 (gnus-sorted-nunion gnus-newsgroup-unreads new))
11393 (gnus-summary-limit (gnus-sorted-nunion old new))))
11394 (gnus-summary-position-point)))
11396 (gnus-summary-make-all-marking-commands)
11398 (gnus-ems-redefine)
11400 (provide 'gnus-sum)
11402 (run-hooks 'gnus-sum-load-hook)
11404 ;;; gnus-sum.el ends here