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")
47 (defcustom gnus-kill-summary-on-exit t
48 "*If non-nil, kill the summary buffer when you exit from it.
49 If nil, the summary will become a \"*Dead Summary*\" buffer, and
50 it will be killed sometime later."
51 :group 'gnus-summary-exit
54 (defcustom gnus-fetch-old-headers nil
55 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
56 If an unread article in the group refers to an older, already read (or
57 just marked as read) article, the old article will not normally be
58 displayed in the Summary buffer. If this variable is non-nil, Gnus
59 will attempt to grab the headers to the old articles, and thereby
60 build complete threads. If it has the value `some', only enough
61 headers to connect otherwise loose threads will be displayed. This
62 variable can also be a number. In that case, no more than that number
63 of old headers will be fetched. If it has the value `invisible', all
64 old headers will be fetched, but none will be displayed.
66 The server has to support NOV for any of this to work."
68 :type '(choice (const :tag "off" nil)
71 (sexp :menu-tag "other" t)))
73 (defcustom gnus-refer-thread-limit 200
74 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
75 If t, fetch all the available old headers."
78 (sexp :menu-tag "other" t)))
80 (defcustom gnus-summary-make-false-root 'adopt
81 "*nil means that Gnus won't gather loose threads.
82 If the root of a thread has expired or been read in a previous
83 session, the information necessary to build a complete thread has been
84 lost. Instead of having many small sub-threads from this original thread
85 scattered all over the summary buffer, Gnus can gather them.
87 If non-nil, Gnus will try to gather all loose sub-threads from an
88 original thread into one large thread.
90 If this variable is non-nil, it should be one of `none', `adopt',
93 If this variable is `none', Gnus will not make a false root, but just
94 present the sub-threads after another.
95 If this variable is `dummy', Gnus will create a dummy root that will
96 have all the sub-threads as children.
97 If this variable is `adopt', Gnus will make one of the \"children\"
98 the parent and mark all the step-children as such.
99 If this variable is `empty', the \"children\" are printed with empty
100 subject fields. (Or rather, they will be printed with a string
101 given by the `gnus-summary-same-subject' variable.)"
103 :type '(choice (const :tag "off" nil)
109 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
110 "*A regexp to match subjects to be excluded from loose thread gathering.
111 As loose thread gathering is done on subjects only, that means that
112 there can be many false gatherings performed. By rooting out certain
113 common subjects, gathering might become saner."
117 (defcustom gnus-summary-gather-subject-limit nil
118 "*Maximum length of subject comparisons when gathering loose threads.
119 Use nil to compare full subjects. Setting this variable to a low
120 number will help gather threads that have been corrupted by
121 newsreaders chopping off subject lines, but it might also mean that
122 unrelated articles that have subject that happen to begin with the
123 same few characters will be incorrectly gathered.
125 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
128 :type '(choice (const :tag "off" nil)
130 (sexp :menu-tag "on" t)))
132 (defcustom gnus-simplify-subject-functions nil
133 "List of functions taking a string argument that simplify subjects.
134 The functions are applied recursively.
136 Useful functions to put in this list include: `gnus-simplify-subject-re',
137 `gnus-simplify-subject-fuzzy' and `gnus-simplify-whitespace'."
139 :type '(repeat function))
141 (defcustom gnus-simplify-ignored-prefixes nil
142 "*Regexp, matches for which are removed from subject lines when simplifying fuzzily."
144 :type '(choice (const :tag "off" nil)
147 (defcustom gnus-build-sparse-threads nil
148 "*If non-nil, fill in the gaps in threads.
149 If `some', only fill in the gaps that are needed to tie loose threads
150 together. If `more', fill in all leaf nodes that Gnus can find. If
151 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
153 :type '(choice (const :tag "off" nil)
156 (sexp :menu-tag "all" t)))
158 (defcustom gnus-summary-thread-gathering-function
159 'gnus-gather-threads-by-subject
160 "*Function used for gathering loose threads.
161 There are two pre-defined functions: `gnus-gather-threads-by-subject',
162 which only takes Subjects into consideration; and
163 `gnus-gather-threads-by-references', which compared the References
164 headers of the articles to find matches."
166 :type '(radio (function-item gnus-gather-threads-by-subject)
167 (function-item gnus-gather-threads-by-references)
168 (function :tag "other")))
170 (defcustom gnus-summary-same-subject ""
171 "*String indicating that the current article has the same subject as the previous.
172 This variable will only be used if the value of
173 `gnus-summary-make-false-root' is `empty'."
174 :group 'gnus-summary-format
177 (defcustom gnus-summary-goto-unread t
178 "*If t, many commands will go to the next unread article.
179 This applies to marking commands as well as other commands that
180 \"naturally\" select the next article, like, for instance, `SPC' at
181 the end of an article.
183 If nil, the marking commands do NOT go to the next unread article
184 (they go to the next article instead). If `never', commands that
185 usually go to the next unread article, will go to the next article,
186 whether it is read or not."
187 :group 'gnus-summary-marks
188 :link '(custom-manual "(gnus)Setting Marks")
189 :type '(choice (const :tag "off" nil)
191 (sexp :menu-tag "on" t)))
193 (defcustom gnus-summary-default-score 0
194 "*Default article score level.
195 All scores generated by the score files will be added to this score.
196 If this variable is nil, scoring will be disabled."
197 :group 'gnus-score-default
198 :type '(choice (const :tag "disable")
201 (defcustom gnus-summary-default-high-score 0
202 "*Default threshold for a high scored article.
203 An article will be highlighted as high scored if its score is greater
205 :group 'gnus-score-default
208 (defcustom gnus-summary-default-low-score 0
209 "*Default threshold for a low scored article.
210 An article will be highlighted as low scored if its score is smaller
212 :group 'gnus-score-default
215 (defcustom gnus-summary-zcore-fuzz 0
216 "*Fuzziness factor for the zcore in the summary buffer.
217 Articles with scores closer than this to `gnus-summary-default-score'
219 :group 'gnus-summary-format
222 (defcustom gnus-simplify-subject-fuzzy-regexp nil
223 "*Strings to be removed when doing fuzzy matches.
224 This can either be a regular expression or list of regular expressions
225 that will be removed from subject strings if fuzzy subject
226 simplification is selected."
228 :type '(repeat regexp))
230 (defcustom gnus-show-threads t
231 "*If non-nil, display threads in summary mode."
235 (defcustom gnus-thread-hide-subtree nil
236 "*If non-nil, hide all threads initially.
237 This can be a predicate specifier which says which threads to hide.
238 If threads are hidden, you have to run the command
239 `gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
240 to expose hidden threads."
244 (defcustom gnus-thread-hide-killed t
245 "*If non-nil, hide killed threads automatically."
249 (defcustom gnus-thread-ignore-subject t
250 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
251 If nil, articles that have different subjects from their parents will
252 start separate threads."
256 (defcustom gnus-thread-operation-ignore-subject t
257 "*If non-nil, subjects will be ignored when doing thread commands.
258 This affects commands like `gnus-summary-kill-thread' and
259 `gnus-summary-lower-thread'.
261 If this variable is nil, articles in the same thread with different
262 subjects will not be included in the operation in question. If this
263 variable is `fuzzy', only articles that have subjects that are fuzzily
264 equal will be included."
266 :type '(choice (const :tag "off" nil)
270 (defcustom gnus-thread-indent-level 4
271 "*Number that says how much each sub-thread should be indented."
275 (defcustom gnus-auto-extend-newsgroup t
276 "*If non-nil, extend newsgroup forward and backward when requested."
277 :group 'gnus-summary-choose
280 (defcustom gnus-auto-select-first t
281 "*If non-nil, select the article under point.
282 Which article this is is controlled by the `gnus-auto-select-subject'
285 If you want to prevent automatic selection of articles in some
286 newsgroups, set the variable to nil in `gnus-select-group-hook'."
287 :group 'gnus-group-select
288 :type '(choice (const :tag "none" nil)
289 (sexp :menu-tag "first" t)))
291 (defcustom gnus-auto-select-subject 'unread
292 "*Says what subject to place under point when entering a group.
294 This variable can either be the symbols `first' (place point on the
295 first subject), `unread' (place point on the subject line of the first
296 unread article), `best' (place point on the subject line of the
297 higest-scored article), `unseen' (place point on the subject line of
298 the first unseen article), or a function to be called to place point on
300 :group 'gnus-group-select
301 :type '(choice (const best)
306 (defcustom gnus-auto-select-next t
307 "*If non-nil, offer to go to the next group from the end of the previous.
308 If the value is t and the next newsgroup is empty, Gnus will exit
309 summary mode and go back to group mode. If the value is neither nil
310 nor t, Gnus will select the following unread newsgroup. In
311 particular, if the value is the symbol `quietly', the next unread
312 newsgroup will be selected without any confirmation, and if it is
313 `almost-quietly', the next group will be selected without any
314 confirmation if you are located on the last article in the group.
315 Finally, if this variable is `slightly-quietly', the `Z n' command
316 will go to the next group without confirmation."
317 :group 'gnus-summary-maneuvering
318 :type '(choice (const :tag "off" nil)
320 (const almost-quietly)
321 (const slightly-quietly)
322 (sexp :menu-tag "on" t)))
324 (defcustom gnus-auto-select-same nil
325 "*If non-nil, select the next article with the same subject.
326 If there are no more articles with the same subject, go to
327 the first unread article."
328 :group 'gnus-summary-maneuvering
331 (defcustom gnus-summary-check-current nil
332 "*If non-nil, consider the current article when moving.
333 The \"unread\" movement commands will stay on the same line if the
334 current article is unread."
335 :group 'gnus-summary-maneuvering
338 (defcustom gnus-auto-center-summary t
339 "*If non-nil, always center the current summary buffer.
340 In particular, if `vertical' do only vertical recentering. If non-nil
341 and non-`vertical', do both horizontal and vertical recentering."
342 :group 'gnus-summary-maneuvering
343 :type '(choice (const :tag "none" nil)
345 (integer :tag "height")
346 (sexp :menu-tag "both" t)))
348 (defcustom gnus-show-all-headers nil
349 "*If non-nil, don't hide any headers."
350 :group 'gnus-article-hiding
351 :group 'gnus-article-headers
354 (defcustom gnus-summary-ignore-duplicates nil
355 "*If non-nil, ignore articles with identical Message-ID headers."
359 (defcustom gnus-single-article-buffer t
360 "*If non-nil, display all articles in the same buffer.
361 If nil, each group will get its own article buffer."
362 :group 'gnus-article-various
365 (defcustom gnus-break-pages t
366 "*If non-nil, do page breaking on articles.
367 The page delimiter is specified by the `gnus-page-delimiter'
369 :group 'gnus-article-various
372 (defcustom gnus-move-split-methods nil
373 "*Variable used to suggest where articles are to be moved to.
374 It uses the same syntax as the `gnus-split-methods' variable.
375 However, whereas `gnus-split-methods' specifies file names as targets,
376 this variable specifies group names."
377 :group 'gnus-summary-mail
378 :type '(repeat (choice (list :value (fun) function)
379 (cons :value ("" "") regexp (repeat string))
382 (defcustom gnus-unread-mark ? ;Whitespace
383 "*Mark used for unread articles."
384 :group 'gnus-summary-marks
387 (defcustom gnus-ticked-mark ?!
388 "*Mark used for ticked articles."
389 :group 'gnus-summary-marks
392 (defcustom gnus-dormant-mark ??
393 "*Mark used for dormant articles."
394 :group 'gnus-summary-marks
397 (defcustom gnus-del-mark ?r
398 "*Mark used for del'd articles."
399 :group 'gnus-summary-marks
402 (defcustom gnus-read-mark ?R
403 "*Mark used for read articles."
404 :group 'gnus-summary-marks
407 (defcustom gnus-expirable-mark ?E
408 "*Mark used for expirable articles."
409 :group 'gnus-summary-marks
412 (defcustom gnus-killed-mark ?K
413 "*Mark used for killed articles."
414 :group 'gnus-summary-marks
417 (defcustom gnus-souped-mark ?F
418 "*Mark used for souped articles."
419 :group 'gnus-summary-marks
422 (defcustom gnus-kill-file-mark ?X
423 "*Mark used for articles killed by kill files."
424 :group 'gnus-summary-marks
427 (defcustom gnus-low-score-mark ?Y
428 "*Mark used for articles with a low score."
429 :group 'gnus-summary-marks
432 (defcustom gnus-catchup-mark ?C
433 "*Mark used for articles that are caught up."
434 :group 'gnus-summary-marks
437 (defcustom gnus-replied-mark ?A
438 "*Mark used for articles that have been replied to."
439 :group 'gnus-summary-marks
442 (defcustom gnus-forwarded-mark ?F
443 "*Mark used for articles that have been forwarded."
444 :group 'gnus-summary-marks
447 (defcustom gnus-recent-mark ?N
448 "*Mark used for articles that are recent."
449 :group 'gnus-summary-marks
452 (defcustom gnus-cached-mark ?*
453 "*Mark used for articles that are in the cache."
454 :group 'gnus-summary-marks
457 (defcustom gnus-saved-mark ?S
458 "*Mark used for articles that have been saved."
459 :group 'gnus-summary-marks
462 (defcustom gnus-unseen-mark ?.
463 "*Mark used for articles that haven't been seen."
464 :group 'gnus-summary-marks
467 (defcustom gnus-no-mark ? ;Whitespace
468 "*Mark used for articles that have no other secondary mark."
469 :group 'gnus-summary-marks
472 (defcustom gnus-ancient-mark ?O
473 "*Mark used for ancient articles."
474 :group 'gnus-summary-marks
477 (defcustom gnus-sparse-mark ?Q
478 "*Mark used for sparsely reffed articles."
479 :group 'gnus-summary-marks
482 (defcustom gnus-canceled-mark ?G
483 "*Mark used for canceled articles."
484 :group 'gnus-summary-marks
487 (defcustom gnus-duplicate-mark ?M
488 "*Mark used for duplicate articles."
489 :group 'gnus-summary-marks
492 (defcustom gnus-undownloaded-mark ?@
493 "*Mark used for articles that weren't downloaded."
494 :group 'gnus-summary-marks
497 (defcustom gnus-downloadable-mark ?%
498 "*Mark used for articles that are to be downloaded."
499 :group 'gnus-summary-marks
502 (defcustom gnus-unsendable-mark ?=
503 "*Mark used for articles that won't be sent."
504 :group 'gnus-summary-marks
507 (defcustom gnus-score-over-mark ?+
508 "*Score mark used for articles with high scores."
509 :group 'gnus-summary-marks
512 (defcustom gnus-score-below-mark ?-
513 "*Score mark used for articles with low scores."
514 :group 'gnus-summary-marks
517 (defcustom gnus-empty-thread-mark ? ;Whitespace
518 "*There is no thread under the article."
519 :group 'gnus-summary-marks
522 (defcustom gnus-not-empty-thread-mark ?=
523 "*There is a thread under the article."
524 :group 'gnus-summary-marks
527 (defcustom gnus-view-pseudo-asynchronously nil
528 "*If non-nil, Gnus will view pseudo-articles asynchronously."
529 :group 'gnus-extract-view
532 (defcustom gnus-auto-expirable-marks
533 (list gnus-killed-mark gnus-del-mark gnus-catchup-mark
534 gnus-low-score-mark gnus-ancient-mark gnus-read-mark
535 gnus-souped-mark gnus-duplicate-mark)
536 "*The list of marks converted into expiration if a group is auto-expirable."
539 :type '(repeat character))
541 (defcustom gnus-inhibit-user-auto-expire t
542 "*If non-nil, user marking commands will not mark an article as expirable, even if the group has auto-expire turned on."
547 (defcustom gnus-view-pseudos nil
548 "*If `automatic', pseudo-articles will be viewed automatically.
549 If `not-confirm', pseudos will be viewed automatically, and the user
550 will not be asked to confirm the command."
551 :group 'gnus-extract-view
552 :type '(choice (const :tag "off" nil)
554 (const not-confirm)))
556 (defcustom gnus-view-pseudos-separately t
557 "*If non-nil, one pseudo-article will be created for each file to be viewed.
558 If nil, all files that use the same viewing command will be given as a
559 list of parameters to that command."
560 :group 'gnus-extract-view
563 (defcustom gnus-insert-pseudo-articles t
564 "*If non-nil, insert pseudo-articles when decoding articles."
565 :group 'gnus-extract-view
568 (defcustom gnus-summary-dummy-line-format
570 "*The format specification for the dummy roots in the summary buffer.
571 It works along the same lines as a normal formatting string,
572 with some simple extensions.
576 General format specifiers can also be used. See
577 (gnus)Formatting Variables."
578 :group 'gnus-threading
581 (defcustom gnus-summary-mode-line-format "Gnus: %g [%A] %Z"
582 "*The format specification for the summary mode line.
583 It works along the same lines as a normal formatting string,
584 with some simple extensions:
587 %p Unprefixed group name
588 %A Current article number
589 %z Current article score
591 %U Number of unread articles in the group
592 %e Number of unselected articles in the group
593 %Z A string with unread/unselected article counts
594 %g Shortish group name
595 %S Subject of the current article
597 %s Current score file name
598 %d Number of dormant articles
599 %r Number of articles that have been marked as read in this session
600 %E Number of articles expunged by the score files"
601 :group 'gnus-summary-format
604 (defcustom gnus-list-identifiers nil
605 "Regexp that matches list identifiers to be removed from subject.
606 This can also be a list of regexps."
608 :group 'gnus-summary-format
609 :group 'gnus-article-hiding
610 :type '(choice (const :tag "none" nil)
612 (repeat :value (".*") regexp)))
614 (defcustom gnus-summary-mark-below 0
615 "*Mark all articles with a score below this variable as read.
616 This variable is local to each summary buffer and usually set by the
618 :group 'gnus-score-default
621 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
622 "*List of functions used for sorting articles in the summary buffer.
624 Each function takes two articles and returns non-nil if the first
625 article should be sorted before the other. If you use more than one
626 function, the primary sort function should be the last. You should
627 probably always include `gnus-article-sort-by-number' in the list of
628 sorting functions -- preferably first. Also note that sorting by date
629 is often much slower than sorting by number, and the sorting order is
630 very similar. (Sorting by date means sorting by the time the message
631 was sent, sorting by number means sorting by arrival time.)
633 Ready-made functions include `gnus-article-sort-by-number',
634 `gnus-article-sort-by-author', `gnus-article-sort-by-subject',
635 `gnus-article-sort-by-date' and `gnus-article-sort-by-score'.
637 When threading is turned on, the variable `gnus-thread-sort-functions'
638 controls how articles are sorted."
639 :group 'gnus-summary-sort
640 :type '(repeat (choice (function-item gnus-article-sort-by-number)
641 (function-item gnus-article-sort-by-author)
642 (function-item gnus-article-sort-by-subject)
643 (function-item gnus-article-sort-by-date)
644 (function-item gnus-article-sort-by-score)
645 (function :tag "other"))))
647 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
648 "*List of functions used for sorting threads in the summary buffer.
649 By default, threads are sorted by article number.
651 Each function takes two threads and returns non-nil if the first
652 thread should be sorted before the other. If you use more than one
653 function, the primary sort function should be the last. You should
654 probably always include `gnus-thread-sort-by-number' in the list of
655 sorting functions -- preferably first. Also note that sorting by date
656 is often much slower than sorting by number, and the sorting order is
657 very similar. (Sorting by date means sorting by the time the message
658 was sent, sorting by number means sorting by arrival time.)
660 Ready-made functions include `gnus-thread-sort-by-number',
661 `gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
662 `gnus-thread-sort-by-date', `gnus-thread-sort-by-score' and
663 `gnus-thread-sort-by-total-score' (see `gnus-thread-score-function').
665 When threading is turned off, the variable
666 `gnus-article-sort-functions' controls how articles are sorted."
667 :group 'gnus-summary-sort
668 :type '(repeat (choice (function-item gnus-thread-sort-by-number)
669 (function-item gnus-thread-sort-by-author)
670 (function-item gnus-thread-sort-by-subject)
671 (function-item gnus-thread-sort-by-date)
672 (function-item gnus-thread-sort-by-score)
673 (function-item gnus-thread-sort-by-total-score)
674 (function :tag "other"))))
676 (defcustom gnus-thread-score-function '+
677 "*Function used for calculating the total score of a thread.
679 The function is called with the scores of the article and each
680 subthread and should then return the score of the thread.
682 Some functions you can use are `+', `max', or `min'."
683 :group 'gnus-summary-sort
686 (defcustom gnus-summary-expunge-below nil
687 "All articles that have a score less than this variable will be expunged.
688 This variable is local to the summary buffers."
689 :group 'gnus-score-default
690 :type '(choice (const :tag "off" nil)
693 (defcustom gnus-thread-expunge-below nil
694 "All threads that have a total score less than this variable will be expunged.
695 See `gnus-thread-score-function' for en explanation of what a
698 This variable is local to the summary buffers."
699 :group 'gnus-threading
700 :group 'gnus-score-default
701 :type '(choice (const :tag "off" nil)
704 (defcustom gnus-summary-mode-hook nil
705 "*A hook for Gnus summary mode.
706 This hook is run before any variables are set in the summary buffer."
707 :options '(turn-on-gnus-mailing-list-mode gnus-pick-mode)
708 :group 'gnus-summary-various
711 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
712 (when (featurep 'xemacs)
713 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-summary-menu-add)
714 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-setup-summary-toolbar)
715 (add-hook 'gnus-summary-mode-hook
716 'gnus-xmas-switch-horizontal-scrollbar-off))
718 (defcustom gnus-summary-menu-hook nil
719 "*Hook run after the creation of the summary mode menu."
720 :group 'gnus-summary-visual
723 (defcustom gnus-summary-exit-hook nil
724 "*A hook called on exit from the summary buffer.
725 It will be called with point in the group buffer."
726 :group 'gnus-summary-exit
729 (defcustom gnus-summary-prepare-hook nil
730 "*A hook called after the summary buffer has been generated.
731 If you want to modify the summary buffer, you can use this hook."
732 :group 'gnus-summary-various
735 (defcustom gnus-summary-prepared-hook nil
736 "*A hook called as the last thing after the summary buffer has been generated."
737 :group 'gnus-summary-various
740 (defcustom gnus-summary-generate-hook nil
741 "*A hook run just before generating the summary buffer.
742 This hook is commonly used to customize threading variables and the
744 :group 'gnus-summary-various
747 (defcustom gnus-select-group-hook nil
748 "*A hook called when a newsgroup is selected.
750 If you'd like to simplify subjects like the
751 `gnus-summary-next-same-subject' command does, you can use the
754 (setq gnus-select-group-hook
757 (mapcar (lambda (header)
758 (mail-header-set-subject
760 (gnus-simplify-subject
761 (mail-header-subject header) 're-only)))
762 gnus-newsgroup-headers))))"
763 :group 'gnus-group-select
766 (defcustom gnus-select-article-hook nil
767 "*A hook called when an article is selected."
768 :group 'gnus-summary-choose
771 (defcustom gnus-visual-mark-article-hook
772 (list 'gnus-highlight-selected-summary)
773 "*Hook run after selecting an article in the summary buffer.
774 It is meant to be used for highlighting the article in some way. It
775 is not run if `gnus-visual' is nil."
776 :group 'gnus-summary-visual
779 (defcustom gnus-parse-headers-hook nil
780 "*A hook called before parsing the headers."
784 (defcustom gnus-exit-group-hook nil
785 "*A hook called when exiting summary mode.
786 This hook is not called from the non-updating exit commands like `Q'."
790 (defcustom gnus-summary-update-hook
791 (list 'gnus-summary-highlight-line)
792 "*A hook called when a summary line is changed.
793 The hook will not be called if `gnus-visual' is nil.
795 The default function `gnus-summary-highlight-line' will
796 highlight the line according to the `gnus-summary-highlight'
798 :group 'gnus-summary-visual
801 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
802 "*A hook called when an article is selected for the first time.
803 The hook is intended to mark an article as read (or unread)
804 automatically when it is selected."
805 :group 'gnus-summary-choose
808 (defcustom gnus-group-no-more-groups-hook nil
809 "*A hook run when returning to group mode having no more (unread) groups."
810 :group 'gnus-group-select
813 (defcustom gnus-ps-print-hook nil
814 "*A hook run before ps-printing something from Gnus."
818 (defcustom gnus-summary-display-arrow
819 (and (fboundp 'display-graphic-p)
821 "*If non-nil, display an arrow highlighting the current article."
826 (defcustom gnus-summary-selected-face 'gnus-summary-selected-face
827 "Face used for highlighting the current article in the summary buffer."
828 :group 'gnus-summary-visual
831 (defcustom gnus-summary-highlight
832 '(((= mark gnus-canceled-mark)
833 . gnus-summary-cancelled-face)
834 ((and (> score default-high)
835 (or (= mark gnus-dormant-mark)
836 (= mark gnus-ticked-mark)))
837 . gnus-summary-high-ticked-face)
838 ((and (< score default-low)
839 (or (= mark gnus-dormant-mark)
840 (= mark gnus-ticked-mark)))
841 . gnus-summary-low-ticked-face)
842 ((or (= mark gnus-dormant-mark)
843 (= mark gnus-ticked-mark))
844 . gnus-summary-normal-ticked-face)
845 ((and (> score default-high) (= mark gnus-ancient-mark))
846 . gnus-summary-high-ancient-face)
847 ((and (< score default-low) (= mark gnus-ancient-mark))
848 . gnus-summary-low-ancient-face)
849 ((= mark gnus-ancient-mark)
850 . gnus-summary-normal-ancient-face)
851 ((and (> score default-high) (= mark gnus-unread-mark))
852 . gnus-summary-high-unread-face)
853 ((and (< score default-low) (= mark gnus-unread-mark))
854 . gnus-summary-low-unread-face)
855 ((= mark gnus-unread-mark)
856 . gnus-summary-normal-unread-face)
857 ((and (> score default-high) (memq mark (list gnus-downloadable-mark
858 gnus-undownloaded-mark)))
859 . gnus-summary-high-unread-face)
860 ((and (< score default-low) (memq mark (list gnus-downloadable-mark
861 gnus-undownloaded-mark)))
862 . gnus-summary-low-unread-face)
863 ((and (memq mark (list gnus-downloadable-mark gnus-undownloaded-mark))
864 (memq article gnus-newsgroup-unreads))
865 . gnus-summary-normal-unread-face)
866 ((memq mark (list gnus-downloadable-mark gnus-undownloaded-mark))
867 . gnus-summary-normal-read-face)
868 ((> score default-high)
869 . gnus-summary-high-read-face)
870 ((< score default-low)
871 . gnus-summary-low-read-face)
873 . gnus-summary-normal-read-face))
874 "*Controls the highlighting of summary buffer lines.
876 A list of (FORM . FACE) pairs. When deciding how a a particular
877 summary line should be displayed, each form is evaluated. The content
878 of the face field after the first true form is used. You can change
879 how those summary lines are displayed, by editing the face field.
881 You can use the following variables in the FORM field.
883 score: The article's score
884 default: The default article score.
885 default-high: The default score for high scored articles.
886 default-low: The default score for low scored articles.
887 below: The score below which articles are automatically marked as read.
888 mark: The articles mark."
889 :group 'gnus-summary-visual
890 :type '(repeat (cons (sexp :tag "Form" nil)
893 (defcustom gnus-alter-header-function nil
894 "Function called to allow alteration of article header structures.
895 The function is called with one parameter, the article header vector,
896 which it may alter in any way.")
898 (defvar gnus-decode-encoded-word-function 'mail-decode-encoded-word-string
899 "Variable that says which function should be used to decode a string with encoded words.")
901 (defcustom gnus-extra-headers '(To Newsgroups)
902 "*Extra headers to parse."
905 :type '(repeat symbol))
907 (defcustom gnus-ignored-from-addresses
908 (and user-mail-address (regexp-quote user-mail-address))
909 "*Regexp of From headers that may be suppressed in favor of To headers."
914 (defcustom gnus-newsgroup-ignored-charsets '(unknown-8bit x-unknown)
915 "List of charsets that should be ignored.
916 When these charsets are used in the \"charset\" parameter, the
917 default charset will be used instead."
919 :type '(repeat symbol)
920 :group 'gnus-charset)
922 (gnus-define-group-parameter
926 "Return the ignored charsets of GROUP."
927 :variable gnus-group-ignored-charsets-alist
929 '(("alt\\.chinese\\.text" iso-8859-1))
931 "Alist of regexps (to match group names) and charsets that should be ignored.
932 When these charsets are used in the \"charset\" parameter, the
933 default charset will be used instead."
934 :variable-group gnus-charset
935 :variable-type '(repeat (cons (regexp :tag "Group")
937 :parameter-type '(choice :tag "Ignored charsets"
940 :parameter-document "\
941 List of charsets that should be ignored.
943 When these charsets are used in the \"charset\" parameter, the
944 default charset will be used instead.")
946 (defcustom gnus-group-highlight-words-alist nil
947 "Alist of group regexps and highlight regexps.
948 This variable uses the same syntax as `gnus-emphasis-alist'."
950 :type '(repeat (cons (regexp :tag "Group")
951 (repeat (list (regexp :tag "Highlight regexp")
952 (number :tag "Group for entire word" 0)
953 (number :tag "Group for displayed part" 0)
955 gnus-emphasis-highlight-words)))))
956 :group 'gnus-summary-visual)
958 (defcustom gnus-summary-show-article-charset-alist
960 "Alist of number and charset.
961 The article will be shown with the charset corresponding to the
963 For example: ((1 . cn-gb-2312) (2 . big5))."
965 :type '(repeat (cons (number :tag "Argument" 1)
966 (symbol :tag "Charset")))
967 :group 'gnus-charset)
969 (defcustom gnus-preserve-marks t
970 "Whether marks are preserved when moving, copying and respooling messages."
973 :group 'gnus-summary-marks)
975 (defcustom gnus-alter-articles-to-read-function nil
976 "Function to be called to alter the list of articles to be selected."
977 :type '(choice (const nil) function)
978 :group 'gnus-summary)
980 (defcustom gnus-orphan-score nil
981 "*All orphans get this score added. Set in the score file."
982 :group 'gnus-score-default
983 :type '(choice (const nil)
986 (defcustom gnus-summary-save-parts-default-mime "image/.*"
987 "*A regexp to match MIME parts when saving multiple parts of a message
988 with gnus-summary-save-parts (X m). This regexp will be used by default
989 when prompting the user for which type of files to save."
994 (defcustom gnus-summary-save-parts-default-mime "image/.*"
995 "*A regexp to match MIME parts when saving multiple parts of a message
996 with gnus-summary-save-parts (X m). This regexp will be used by default
997 when prompting the user for which type of files to save."
1001 (defcustom gnus-read-all-available-headers nil
1002 "Whether Gnus should parse all headers made available to it.
1003 This is mostly relevant for slow backends where the user may
1004 wish to widen the summary buffer to include all headers
1005 that were fetched. Say, for nnultimate groups."
1006 :group 'gnus-summary
1007 :type '(choice boolean regexp))
1009 (defcustom gnus-summary-muttprint-program "muttprint"
1010 "Command (and optional arguments) used to run Muttprint."
1011 :group 'gnus-summary
1014 ;;; Internal variables
1016 (defvar gnus-summary-display-cache nil)
1017 (defvar gnus-article-mime-handles nil)
1018 (defvar gnus-article-decoded-p nil)
1019 (defvar gnus-article-charset nil)
1020 (defvar gnus-article-ignored-charsets nil)
1021 (defvar gnus-scores-exclude-files nil)
1022 (defvar gnus-page-broken nil)
1023 (defvar gnus-inhibit-mime-unbuttonizing nil)
1025 (defvar gnus-original-article nil)
1026 (defvar gnus-article-internal-prepare-hook nil)
1027 (defvar gnus-newsgroup-process-stack nil)
1029 (defvar gnus-thread-indent-array nil)
1030 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
1031 (defvar gnus-sort-gathered-threads-function 'gnus-thread-sort-by-number
1032 "Function called to sort the articles within a thread after it has been gathered together.")
1034 (defvar gnus-summary-save-parts-type-history nil)
1035 (defvar gnus-summary-save-parts-last-directory nil)
1037 (defvar gnus-summary-save-parts-type-history nil)
1038 (defvar gnus-summary-save-parts-last-directory nil)
1040 ;; Avoid highlighting in kill files.
1041 (defvar gnus-summary-inhibit-highlight nil)
1042 (defvar gnus-newsgroup-selected-overlay nil)
1043 (defvar gnus-inhibit-limiting nil)
1044 (defvar gnus-newsgroup-adaptive-score-file nil)
1045 (defvar gnus-current-score-file nil)
1046 (defvar gnus-current-move-group nil)
1047 (defvar gnus-current-copy-group nil)
1048 (defvar gnus-current-crosspost-group nil)
1049 (defvar gnus-newsgroup-display nil)
1051 (defvar gnus-newsgroup-dependencies nil)
1052 (defvar gnus-newsgroup-adaptive nil)
1053 (defvar gnus-summary-display-article-function nil)
1054 (defvar gnus-summary-highlight-line-function nil
1055 "Function called after highlighting a summary line.")
1057 (defvar gnus-summary-line-format-alist
1058 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
1059 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
1060 (?s gnus-tmp-subject-or-nil ?s)
1061 (?n gnus-tmp-name ?s)
1062 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
1064 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
1066 (?F gnus-tmp-from ?s)
1067 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
1068 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
1069 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
1070 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
1071 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
1072 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
1073 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
1074 (?L gnus-tmp-lines ?s)
1075 (?I gnus-tmp-indentation ?s)
1076 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
1077 (?R gnus-tmp-replied ?c)
1078 (?\[ gnus-tmp-opening-bracket ?c)
1079 (?\] gnus-tmp-closing-bracket ?c)
1080 (?\> (make-string gnus-tmp-level ? ) ?s)
1081 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
1082 (?i gnus-tmp-score ?d)
1083 (?z gnus-tmp-score-char ?c)
1084 (?l (bbb-grouplens-score gnus-tmp-header) ?s)
1085 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
1086 (?U gnus-tmp-unread ?c)
1087 (?f (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header gnus-tmp-from)
1089 (?t (gnus-summary-number-of-articles-in-thread
1090 (and (boundp 'thread) (car thread)) gnus-tmp-level)
1092 (?e (gnus-summary-number-of-articles-in-thread
1093 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
1095 (?u gnus-tmp-user-defined ?s)
1096 (?P (gnus-pick-line-number) ?d)
1097 (?B gnus-tmp-thread-tree-header-string ?s)
1098 (user-date (gnus-user-date
1099 ,(macroexpand '(mail-header-date gnus-tmp-header))) ?s))
1100 "An alist of format specifications that can appear in summary lines.
1101 These are paired with what variables they correspond with, along with
1102 the type of the variable (string, integer, character, etc).")
1104 (defvar gnus-summary-dummy-line-format-alist
1105 `((?S gnus-tmp-subject ?s)
1106 (?N gnus-tmp-number ?d)
1107 (?u gnus-tmp-user-defined ?s)))
1109 (defvar gnus-summary-mode-line-format-alist
1110 `((?G gnus-tmp-group-name ?s)
1111 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
1112 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
1113 (?A gnus-tmp-article-number ?d)
1114 (?Z gnus-tmp-unread-and-unselected ?s)
1115 (?V gnus-version ?s)
1116 (?U gnus-tmp-unread-and-unticked ?d)
1117 (?S gnus-tmp-subject ?s)
1118 (?e gnus-tmp-unselected ?d)
1119 (?u gnus-tmp-user-defined ?s)
1120 (?d (length gnus-newsgroup-dormant) ?d)
1121 (?t (length gnus-newsgroup-marked) ?d)
1122 (?r (length gnus-newsgroup-reads) ?d)
1123 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
1124 (?E gnus-newsgroup-expunged-tally ?d)
1125 (?s (gnus-current-score-file-nondirectory) ?s)))
1127 (defvar gnus-last-search-regexp nil
1128 "Default regexp for article search command.")
1130 (defvar gnus-last-shell-command nil
1131 "Default shell command on article.")
1133 (defvar gnus-newsgroup-begin nil)
1134 (defvar gnus-newsgroup-end nil)
1135 (defvar gnus-newsgroup-last-rmail nil)
1136 (defvar gnus-newsgroup-last-mail nil)
1137 (defvar gnus-newsgroup-last-folder nil)
1138 (defvar gnus-newsgroup-last-file nil)
1139 (defvar gnus-newsgroup-auto-expire nil)
1140 (defvar gnus-newsgroup-active nil)
1142 (defvar gnus-newsgroup-data nil)
1143 (defvar gnus-newsgroup-data-reverse nil)
1144 (defvar gnus-newsgroup-limit nil)
1145 (defvar gnus-newsgroup-limits nil)
1147 (defvar gnus-newsgroup-unreads nil
1148 "List of unread articles in the current newsgroup.")
1150 (defvar gnus-newsgroup-unselected nil
1151 "List of unselected unread articles in the current newsgroup.")
1153 (defvar gnus-newsgroup-reads nil
1154 "Alist of read articles and article marks in the current newsgroup.")
1156 (defvar gnus-newsgroup-expunged-tally nil)
1158 (defvar gnus-newsgroup-marked nil
1159 "List of ticked articles in the current newsgroup (a subset of unread art).")
1161 (defvar gnus-newsgroup-killed nil
1162 "List of ranges of articles that have been through the scoring process.")
1164 (defvar gnus-newsgroup-cached nil
1165 "List of articles that come from the article cache.")
1167 (defvar gnus-newsgroup-saved nil
1168 "List of articles that have been saved.")
1170 (defvar gnus-newsgroup-kill-headers nil)
1172 (defvar gnus-newsgroup-replied nil
1173 "List of articles that have been replied to in the current newsgroup.")
1175 (defvar gnus-newsgroup-forwarded nil
1176 "List of articles that have been forwarded in the current newsgroup.")
1178 (defvar gnus-newsgroup-recent nil
1179 "List of articles that have are recent in the current newsgroup.")
1181 (defvar gnus-newsgroup-expirable nil
1182 "List of articles in the current newsgroup that can be expired.")
1184 (defvar gnus-newsgroup-processable nil
1185 "List of articles in the current newsgroup that can be processed.")
1187 (defvar gnus-newsgroup-downloadable nil
1188 "List of articles in the current newsgroup that can be processed.")
1190 (defvar gnus-newsgroup-undownloaded nil
1191 "List of articles in the current newsgroup that haven't been downloaded..")
1193 (defvar gnus-newsgroup-unsendable nil
1194 "List of articles in the current newsgroup that won't be sent.")
1196 (defvar gnus-newsgroup-bookmarks nil
1197 "List of articles in the current newsgroup that have bookmarks.")
1199 (defvar gnus-newsgroup-dormant nil
1200 "List of dormant articles in the current newsgroup.")
1202 (defvar gnus-newsgroup-unseen nil
1203 "List of unseen articles in the current newsgroup.")
1205 (defvar gnus-newsgroup-seen nil
1206 "Range of seen articles in the current newsgroup.")
1208 (defvar gnus-newsgroup-articles nil
1209 "List of articles in the current newsgroup.")
1211 (defvar gnus-newsgroup-scored nil
1212 "List of scored articles in the current newsgroup.")
1214 (defvar gnus-newsgroup-headers nil
1215 "List of article headers in the current newsgroup.")
1217 (defvar gnus-newsgroup-threads nil)
1219 (defvar gnus-newsgroup-prepared nil
1220 "Whether the current group has been prepared properly.")
1222 (defvar gnus-newsgroup-ancient nil
1223 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1225 (defvar gnus-newsgroup-sparse nil)
1227 (defvar gnus-current-article nil)
1228 (defvar gnus-article-current nil)
1229 (defvar gnus-current-headers nil)
1230 (defvar gnus-have-all-headers nil)
1231 (defvar gnus-last-article nil)
1232 (defvar gnus-newsgroup-history nil)
1233 (defvar gnus-newsgroup-charset nil)
1234 (defvar gnus-newsgroup-ephemeral-charset nil)
1235 (defvar gnus-newsgroup-ephemeral-ignored-charsets nil)
1237 (defvar gnus-article-before-search nil)
1239 (defconst gnus-summary-local-variables
1240 '(gnus-newsgroup-name
1241 gnus-newsgroup-begin gnus-newsgroup-end
1242 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1243 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1244 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
1245 gnus-newsgroup-unselected gnus-newsgroup-marked
1246 gnus-newsgroup-reads gnus-newsgroup-saved
1247 gnus-newsgroup-replied gnus-newsgroup-forwarded
1248 gnus-newsgroup-recent
1249 gnus-newsgroup-expirable
1250 gnus-newsgroup-processable gnus-newsgroup-killed
1251 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
1252 gnus-newsgroup-unsendable gnus-newsgroup-unseen
1253 gnus-newsgroup-seen gnus-newsgroup-articles
1254 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1255 gnus-newsgroup-headers gnus-newsgroup-threads
1256 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1257 gnus-current-article gnus-current-headers gnus-have-all-headers
1258 gnus-last-article gnus-article-internal-prepare-hook
1259 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1260 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1261 gnus-thread-expunge-below
1262 gnus-score-alist gnus-current-score-file
1263 (gnus-summary-expunge-below . global)
1264 (gnus-summary-mark-below . global)
1265 (gnus-orphan-score . global)
1266 gnus-newsgroup-active gnus-scores-exclude-files
1267 gnus-newsgroup-history gnus-newsgroup-ancient
1268 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1269 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1270 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1271 (gnus-newsgroup-expunged-tally . 0)
1272 gnus-cache-removable-articles gnus-newsgroup-cached
1273 gnus-newsgroup-data gnus-newsgroup-data-reverse
1274 gnus-newsgroup-limit gnus-newsgroup-limits
1275 gnus-newsgroup-charset gnus-newsgroup-display)
1276 "Variables that are buffer-local to the summary buffers.")
1278 (defvar gnus-newsgroup-variables nil
1279 "A list of variables that have separate values in different newsgroups.
1280 A list of newsgroup (summary buffer) local variables, or cons of
1281 variables and their default values (when the default values are not
1282 nil), that should be made global while the summary buffer is active.
1283 These variables can be used to set variables in the group parameters
1284 while still allowing them to affect operations done in other
1285 buffers. For example:
1287 \(setq gnus-newsgroup-variables
1288 '(message-use-followup-to
1289 (gnus-visible-headers .
1290 \"^From:\\\\|^Newsgroups:\\\\|^Subject:\\\\|^Date:\\\\|^To:\")))
1293 ;; Byte-compiler warning.
1294 (eval-when-compile (defvar gnus-article-mode-map))
1298 (defvar gnus-decode-encoded-word-methods
1299 '(mail-decode-encoded-word-string)
1300 "List of methods used to decode encoded words.
1302 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
1303 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
1304 \(REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
1305 whose names match REGEXP.
1308 \((\"chinese\" . gnus-decode-encoded-word-string-by-guess)
1309 mail-decode-encoded-word-string
1310 (\"chinese\" . rfc1843-decode-string))")
1312 (defvar gnus-decode-encoded-word-methods-cache nil)
1314 (defun gnus-multi-decode-encoded-word-string (string)
1315 "Apply the functions from `gnus-encoded-word-methods' that match."
1316 (unless (and gnus-decode-encoded-word-methods-cache
1317 (eq gnus-newsgroup-name
1318 (car gnus-decode-encoded-word-methods-cache)))
1319 (setq gnus-decode-encoded-word-methods-cache (list gnus-newsgroup-name))
1322 (nconc gnus-decode-encoded-word-methods-cache (list x))
1323 (if (and gnus-newsgroup-name
1324 (string-match (car x) gnus-newsgroup-name))
1325 (nconc gnus-decode-encoded-word-methods-cache
1327 gnus-decode-encoded-word-methods))
1328 (let ((xlist gnus-decode-encoded-word-methods-cache))
1331 (setq string (funcall (pop xlist) string))))
1334 ;; Subject simplification.
1336 (defun gnus-simplify-whitespace (str)
1337 "Remove excessive whitespace from STR."
1340 (while (string-match "[ \t][ \t]+" mystr)
1341 (setq mystr (concat (substring mystr 0 (match-beginning 0))
1343 (substring mystr (match-end 0)))))
1345 (when (string-match "^[ \t]+" mystr)
1346 (setq mystr (substring mystr (match-end 0))))
1348 (when (string-match "[ \t]+$" mystr)
1349 (setq mystr (substring mystr 0 (match-beginning 0))))
1352 (defsubst gnus-simplify-subject-re (subject)
1353 "Remove \"Re:\" from subject lines."
1354 (if (string-match message-subject-re-regexp subject)
1355 (substring subject (match-end 0))
1358 (defun gnus-simplify-subject (subject &optional re-only)
1359 "Remove `Re:' and words in parentheses.
1360 If RE-ONLY is non-nil, strip leading `Re:'s only."
1361 (let ((case-fold-search t)) ;Ignore case.
1362 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1363 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1364 (setq subject (substring subject (match-end 0))))
1365 ;; Remove uninteresting prefixes.
1366 (when (and (not re-only)
1367 gnus-simplify-ignored-prefixes
1368 (string-match gnus-simplify-ignored-prefixes subject))
1369 (setq subject (substring subject (match-end 0))))
1370 ;; Remove words in parentheses from end.
1372 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1373 (setq subject (substring subject 0 (match-beginning 0)))))
1374 ;; Return subject string.
1377 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1379 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1380 (goto-char (point-min))
1381 (while (re-search-forward regexp nil t)
1382 (replace-match (or newtext ""))))
1384 (defun gnus-simplify-buffer-fuzzy ()
1385 "Simplify string in the buffer fuzzily.
1386 The string in the accessible portion of the current buffer is simplified.
1387 It is assumed to be a single-line subject.
1388 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1389 matter is removed. Additional things can be deleted by setting
1390 `gnus-simplify-subject-fuzzy-regexp'."
1391 (let ((case-fold-search t)
1393 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1395 (while (not (eq modified-tick (buffer-modified-tick)))
1396 (setq modified-tick (buffer-modified-tick))
1398 ((listp gnus-simplify-subject-fuzzy-regexp)
1399 (mapcar 'gnus-simplify-buffer-fuzzy-step
1400 gnus-simplify-subject-fuzzy-regexp))
1401 (gnus-simplify-subject-fuzzy-regexp
1402 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1403 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1404 (gnus-simplify-buffer-fuzzy-step
1405 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1406 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1408 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1409 (gnus-simplify-buffer-fuzzy-step " +" " ")
1410 (gnus-simplify-buffer-fuzzy-step " $")
1411 (gnus-simplify-buffer-fuzzy-step "^ +")))
1413 (defun gnus-simplify-subject-fuzzy (subject)
1414 "Simplify a subject string fuzzily.
1415 See `gnus-simplify-buffer-fuzzy' for details."
1417 (gnus-set-work-buffer)
1418 (let ((case-fold-search t))
1419 ;; Remove uninteresting prefixes.
1420 (when (and gnus-simplify-ignored-prefixes
1421 (string-match gnus-simplify-ignored-prefixes subject))
1422 (setq subject (substring subject (match-end 0))))
1424 (inline (gnus-simplify-buffer-fuzzy))
1427 (defsubst gnus-simplify-subject-fully (subject)
1428 "Simplify a subject string according to gnus-summary-gather-subject-limit."
1430 (gnus-simplify-subject-functions
1431 (gnus-map-function gnus-simplify-subject-functions subject))
1432 ((null gnus-summary-gather-subject-limit)
1433 (gnus-simplify-subject-re subject))
1434 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1435 (gnus-simplify-subject-fuzzy subject))
1436 ((numberp gnus-summary-gather-subject-limit)
1437 (gnus-limit-string (gnus-simplify-subject-re subject)
1438 gnus-summary-gather-subject-limit))
1442 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1443 "Check whether two subjects are equal.
1444 If optional argument simple-first is t, first argument is already
1447 ((null simple-first)
1448 (equal (gnus-simplify-subject-fully s1)
1449 (gnus-simplify-subject-fully s2)))
1452 (gnus-simplify-subject-fully s2)))))
1454 (defun gnus-summary-bubble-group ()
1455 "Increase the score of the current group.
1456 This is a handy function to add to `gnus-summary-exit-hook' to
1457 increase the score of each group you read."
1458 (gnus-group-add-score gnus-newsgroup-name))
1462 ;;; Gnus summary mode
1465 (put 'gnus-summary-mode 'mode-class 'special)
1467 (defvar gnus-article-commands-menu)
1470 ;; Non-orthogonal keys
1472 (gnus-define-keys gnus-summary-mode-map
1473 " " gnus-summary-next-page
1474 "\177" gnus-summary-prev-page
1475 [delete] gnus-summary-prev-page
1476 [backspace] gnus-summary-prev-page
1477 "\r" gnus-summary-scroll-up
1478 "\M-\r" gnus-summary-scroll-down
1479 "n" gnus-summary-next-unread-article
1480 "p" gnus-summary-prev-unread-article
1481 "N" gnus-summary-next-article
1482 "P" gnus-summary-prev-article
1483 "\M-\C-n" gnus-summary-next-same-subject
1484 "\M-\C-p" gnus-summary-prev-same-subject
1485 "\M-n" gnus-summary-next-unread-subject
1486 "\M-p" gnus-summary-prev-unread-subject
1487 "." gnus-summary-first-unread-article
1488 "," gnus-summary-best-unread-article
1489 "\M-s" gnus-summary-search-article-forward
1490 "\M-r" gnus-summary-search-article-backward
1491 "<" gnus-summary-beginning-of-article
1492 ">" gnus-summary-end-of-article
1493 "j" gnus-summary-goto-article
1494 "^" gnus-summary-refer-parent-article
1495 "\M-^" gnus-summary-refer-article
1496 "u" gnus-summary-tick-article-forward
1497 "!" gnus-summary-tick-article-forward
1498 "U" gnus-summary-tick-article-backward
1499 "d" gnus-summary-mark-as-read-forward
1500 "D" gnus-summary-mark-as-read-backward
1501 "E" gnus-summary-mark-as-expirable
1502 "\M-u" gnus-summary-clear-mark-forward
1503 "\M-U" gnus-summary-clear-mark-backward
1504 "k" gnus-summary-kill-same-subject-and-select
1505 "\C-k" gnus-summary-kill-same-subject
1506 "\M-\C-k" gnus-summary-kill-thread
1507 "\M-\C-l" gnus-summary-lower-thread
1508 "e" gnus-summary-edit-article
1509 "#" gnus-summary-mark-as-processable
1510 "\M-#" gnus-summary-unmark-as-processable
1511 "\M-\C-t" gnus-summary-toggle-threads
1512 "\M-\C-s" gnus-summary-show-thread
1513 "\M-\C-h" gnus-summary-hide-thread
1514 "\M-\C-f" gnus-summary-next-thread
1515 "\M-\C-b" gnus-summary-prev-thread
1516 [(meta down)] gnus-summary-next-thread
1517 [(meta up)] gnus-summary-prev-thread
1518 "\M-\C-u" gnus-summary-up-thread
1519 "\M-\C-d" gnus-summary-down-thread
1520 "&" gnus-summary-execute-command
1521 "c" gnus-summary-catchup-and-exit
1522 "\C-w" gnus-summary-mark-region-as-read
1523 "\C-t" gnus-summary-toggle-truncation
1524 "?" gnus-summary-mark-as-dormant
1525 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1526 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1527 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1528 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1529 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1530 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1531 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1532 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1533 "\C-c\C-s\C-o" gnus-summary-sort-by-original
1534 "=" gnus-summary-expand-window
1535 "\C-x\C-s" gnus-summary-reselect-current-group
1536 "\M-g" gnus-summary-rescan-group
1537 "w" gnus-summary-stop-page-breaking
1538 "\C-c\C-r" gnus-summary-caesar-message
1539 "f" gnus-summary-followup
1540 "F" gnus-summary-followup-with-original
1541 "C" gnus-summary-cancel-article
1542 "r" gnus-summary-reply
1543 "R" gnus-summary-reply-with-original
1544 "\C-c\C-f" gnus-summary-mail-forward
1545 "o" gnus-summary-save-article
1546 "\C-o" gnus-summary-save-article-mail
1547 "|" gnus-summary-pipe-output
1548 "\M-k" gnus-summary-edit-local-kill
1549 "\M-K" gnus-summary-edit-global-kill
1551 "\C-c\C-d" gnus-summary-describe-group
1552 "q" gnus-summary-exit
1553 "Q" gnus-summary-exit-no-update
1554 "\C-c\C-i" gnus-info-find-node
1555 gnus-mouse-2 gnus-mouse-pick-article
1556 "m" gnus-summary-mail-other-window
1557 "a" gnus-summary-post-news
1558 "i" gnus-summary-news-other-window
1559 "x" gnus-summary-limit-to-unread
1560 "s" gnus-summary-isearch-article
1561 "t" gnus-summary-toggle-header
1562 "g" gnus-summary-show-article
1563 "l" gnus-summary-goto-last-article
1564 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1565 "\C-d" gnus-summary-enter-digest-group
1566 "\M-\C-d" gnus-summary-read-document
1567 "\M-\C-e" gnus-summary-edit-parameters
1568 "\M-\C-a" gnus-summary-customize-parameters
1570 "*" gnus-cache-enter-article
1571 "\M-*" gnus-cache-remove-article
1572 "\M-&" gnus-summary-universal-argument
1573 "\C-l" gnus-recenter
1574 "I" gnus-summary-increase-score
1575 "L" gnus-summary-lower-score
1576 "\M-i" gnus-symbolic-argument
1577 "h" gnus-summary-select-article-buffer
1579 "b" gnus-article-view-part
1580 "\M-t" gnus-summary-toggle-display-buttonized
1582 "V" gnus-summary-score-map
1583 "X" gnus-uu-extract-map
1584 "S" gnus-summary-send-map)
1586 ;; Sort of orthogonal keymap
1587 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1588 "t" gnus-summary-tick-article-forward
1589 "!" gnus-summary-tick-article-forward
1590 "d" gnus-summary-mark-as-read-forward
1591 "r" gnus-summary-mark-as-read-forward
1592 "c" gnus-summary-clear-mark-forward
1593 " " gnus-summary-clear-mark-forward
1594 "e" gnus-summary-mark-as-expirable
1595 "x" gnus-summary-mark-as-expirable
1596 "?" gnus-summary-mark-as-dormant
1597 "b" gnus-summary-set-bookmark
1598 "B" gnus-summary-remove-bookmark
1599 "#" gnus-summary-mark-as-processable
1600 "\M-#" gnus-summary-unmark-as-processable
1601 "S" gnus-summary-limit-include-expunged
1602 "C" gnus-summary-catchup
1603 "H" gnus-summary-catchup-to-here
1604 "h" gnus-summary-catchup-from-here
1605 "\C-c" gnus-summary-catchup-all
1606 "k" gnus-summary-kill-same-subject-and-select
1607 "K" gnus-summary-kill-same-subject
1608 "P" gnus-uu-mark-map)
1610 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1611 "c" gnus-summary-clear-above
1612 "u" gnus-summary-tick-above
1613 "m" gnus-summary-mark-above
1614 "k" gnus-summary-kill-below)
1616 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1617 "/" gnus-summary-limit-to-subject
1618 "n" gnus-summary-limit-to-articles
1619 "w" gnus-summary-pop-limit
1620 "s" gnus-summary-limit-to-subject
1621 "a" gnus-summary-limit-to-author
1622 "u" gnus-summary-limit-to-unread
1623 "m" gnus-summary-limit-to-marks
1624 "M" gnus-summary-limit-exclude-marks
1625 "v" gnus-summary-limit-to-score
1626 "*" gnus-summary-limit-include-cached
1627 "D" gnus-summary-limit-include-dormant
1628 "T" gnus-summary-limit-include-thread
1629 "d" gnus-summary-limit-exclude-dormant
1630 "t" gnus-summary-limit-to-age
1631 "x" gnus-summary-limit-to-extra
1632 "p" gnus-summary-limit-to-display-predicate
1633 "E" gnus-summary-limit-include-expunged
1634 "c" gnus-summary-limit-exclude-childless-dormant
1635 "C" gnus-summary-limit-mark-excluded-as-read
1636 "o" gnus-summary-insert-old-articles
1637 "N" gnus-summary-insert-new-articles)
1639 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1640 "n" gnus-summary-next-unread-article
1641 "p" gnus-summary-prev-unread-article
1642 "N" gnus-summary-next-article
1643 "P" gnus-summary-prev-article
1644 "\C-n" gnus-summary-next-same-subject
1645 "\C-p" gnus-summary-prev-same-subject
1646 "\M-n" gnus-summary-next-unread-subject
1647 "\M-p" gnus-summary-prev-unread-subject
1648 "f" gnus-summary-first-unread-article
1649 "b" gnus-summary-best-unread-article
1650 "j" gnus-summary-goto-article
1651 "g" gnus-summary-goto-subject
1652 "l" gnus-summary-goto-last-article
1653 "o" gnus-summary-pop-article)
1655 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1656 "k" gnus-summary-kill-thread
1657 "l" gnus-summary-lower-thread
1658 "i" gnus-summary-raise-thread
1659 "T" gnus-summary-toggle-threads
1660 "t" gnus-summary-rethread-current
1661 "^" gnus-summary-reparent-thread
1662 "s" gnus-summary-show-thread
1663 "S" gnus-summary-show-all-threads
1664 "h" gnus-summary-hide-thread
1665 "H" gnus-summary-hide-all-threads
1666 "n" gnus-summary-next-thread
1667 "p" gnus-summary-prev-thread
1668 "u" gnus-summary-up-thread
1669 "o" gnus-summary-top-thread
1670 "d" gnus-summary-down-thread
1671 "#" gnus-uu-mark-thread
1672 "\M-#" gnus-uu-unmark-thread)
1674 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1675 "g" gnus-summary-prepare
1676 "c" gnus-summary-insert-cached-articles)
1678 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1679 "c" gnus-summary-catchup-and-exit
1680 "C" gnus-summary-catchup-all-and-exit
1681 "E" gnus-summary-exit-no-update
1682 "Q" gnus-summary-exit
1683 "Z" gnus-summary-exit
1684 "n" gnus-summary-catchup-and-goto-next-group
1685 "R" gnus-summary-reselect-current-group
1686 "G" gnus-summary-rescan-group
1687 "N" gnus-summary-next-group
1688 "s" gnus-summary-save-newsrc
1689 "P" gnus-summary-prev-group)
1691 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1692 " " gnus-summary-next-page
1693 "n" gnus-summary-next-page
1694 "\177" gnus-summary-prev-page
1695 [delete] gnus-summary-prev-page
1696 "p" gnus-summary-prev-page
1697 "\r" gnus-summary-scroll-up
1698 "\M-\r" gnus-summary-scroll-down
1699 "<" gnus-summary-beginning-of-article
1700 ">" gnus-summary-end-of-article
1701 "b" gnus-summary-beginning-of-article
1702 "e" gnus-summary-end-of-article
1703 "^" gnus-summary-refer-parent-article
1704 "r" gnus-summary-refer-parent-article
1705 "D" gnus-summary-enter-digest-group
1706 "R" gnus-summary-refer-references
1707 "T" gnus-summary-refer-thread
1708 "g" gnus-summary-show-article
1709 "s" gnus-summary-isearch-article
1710 "P" gnus-summary-print-article
1711 "M" gnus-mailing-list-insinuate
1712 "t" gnus-article-babel)
1714 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1715 "b" gnus-article-add-buttons
1716 "B" gnus-article-add-buttons-to-head
1717 "o" gnus-article-treat-overstrike
1718 "e" gnus-article-emphasize
1719 "w" gnus-article-fill-cited-article
1720 "Q" gnus-article-fill-long-lines
1721 "C" gnus-article-capitalize-sentences
1722 "c" gnus-article-remove-cr
1723 "q" gnus-article-de-quoted-unreadable
1724 "6" gnus-article-de-base64-unreadable
1725 "Z" gnus-article-decode-HZ
1726 "h" gnus-article-wash-html
1727 "s" gnus-summary-force-verify-and-decrypt
1728 "f" gnus-article-display-x-face
1729 "l" gnus-summary-stop-page-breaking
1730 "r" gnus-summary-caesar-message
1731 "t" gnus-summary-toggle-header
1732 "g" gnus-treat-smiley
1733 "v" gnus-summary-verbose-headers
1734 "a" gnus-article-strip-headers-in-body ;; mnemonic: wash archive
1735 "p" gnus-article-verify-x-pgp-sig
1736 "d" gnus-article-treat-dumbquotes)
1738 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1739 "a" gnus-article-hide
1740 "h" gnus-article-hide-headers
1741 "b" gnus-article-hide-boring-headers
1742 "s" gnus-article-hide-signature
1743 "c" gnus-article-hide-citation
1744 "C" gnus-article-hide-citation-in-followups
1745 "l" gnus-article-hide-list-identifiers
1746 "p" gnus-article-hide-pgp
1747 "B" gnus-article-strip-banner
1748 "P" gnus-article-hide-pem
1749 "\C-c" gnus-article-hide-citation-maybe)
1751 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1752 "a" gnus-article-highlight
1753 "h" gnus-article-highlight-headers
1754 "c" gnus-article-highlight-citation
1755 "s" gnus-article-highlight-signature)
1757 (gnus-define-keys (gnus-summary-wash-header-map "G" gnus-summary-wash-map)
1758 "f" gnus-article-treat-fold-headers
1759 "u" gnus-article-treat-unfold-headers
1760 "n" gnus-article-treat-fold-newsgroups)
1762 (gnus-define-keys (gnus-summary-wash-display-map "D" gnus-summary-wash-map)
1763 "x" gnus-article-display-x-face
1764 "s" gnus-treat-smiley
1765 "D" gnus-article-remove-images
1766 "f" gnus-treat-from-picon
1767 "m" gnus-treat-mail-picon
1768 "n" gnus-treat-newsgroups-picon)
1770 (gnus-define-keys (gnus-summary-wash-mime-map "M" gnus-summary-wash-map)
1771 "w" gnus-article-decode-mime-words
1772 "c" gnus-article-decode-charset
1773 "v" gnus-mime-view-all-parts
1774 "b" gnus-article-view-part)
1776 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
1777 "z" gnus-article-date-ut
1778 "u" gnus-article-date-ut
1779 "l" gnus-article-date-local
1780 "p" gnus-article-date-english
1781 "e" gnus-article-date-lapsed
1782 "o" gnus-article-date-original
1783 "i" gnus-article-date-iso8601
1784 "s" gnus-article-date-user)
1786 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
1787 "t" gnus-article-remove-trailing-blank-lines
1788 "l" gnus-article-strip-leading-blank-lines
1789 "m" gnus-article-strip-multiple-blank-lines
1790 "a" gnus-article-strip-blank-lines
1791 "A" gnus-article-strip-all-blank-lines
1792 "s" gnus-article-strip-leading-space
1793 "e" gnus-article-strip-trailing-space
1794 "w" gnus-article-remove-leading-whitespace)
1796 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
1798 "f" gnus-summary-fetch-faq
1799 "d" gnus-summary-describe-group
1800 "h" gnus-summary-describe-briefly
1801 "i" gnus-info-find-node)
1803 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
1804 "e" gnus-summary-expire-articles
1805 "\M-\C-e" gnus-summary-expire-articles-now
1806 "\177" gnus-summary-delete-article
1807 [delete] gnus-summary-delete-article
1808 [backspace] gnus-summary-delete-article
1809 "m" gnus-summary-move-article
1810 "r" gnus-summary-respool-article
1811 "w" gnus-summary-edit-article
1812 "c" gnus-summary-copy-article
1813 "B" gnus-summary-crosspost-article
1814 "q" gnus-summary-respool-query
1815 "t" gnus-summary-respool-trace
1816 "i" gnus-summary-import-article
1817 "I" gnus-summary-create-article
1818 "p" gnus-summary-article-posted-p)
1820 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
1821 "o" gnus-summary-save-article
1822 "m" gnus-summary-save-article-mail
1823 "F" gnus-summary-write-article-file
1824 "r" gnus-summary-save-article-rmail
1825 "f" gnus-summary-save-article-file
1826 "b" gnus-summary-save-article-body-file
1827 "h" gnus-summary-save-article-folder
1828 "v" gnus-summary-save-article-vm
1829 "p" gnus-summary-pipe-output
1830 "P" gnus-summary-muttprint
1831 "s" gnus-soup-add-article)
1833 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
1834 "b" gnus-summary-display-buttonized
1835 "m" gnus-summary-repair-multipart
1836 "v" gnus-article-view-part
1837 "o" gnus-article-save-part
1838 "c" gnus-article-copy-part
1839 "C" gnus-article-view-part-as-charset
1840 "e" gnus-article-externalize-part
1841 "E" gnus-article-encrypt-body
1842 "i" gnus-article-inline-part
1843 "|" gnus-article-pipe-part))
1845 (defvar gnus-article-post-menu nil)
1847 (defun gnus-summary-make-menu-bar ()
1848 (gnus-turn-off-edit-menu 'summary)
1850 (unless (boundp 'gnus-summary-misc-menu)
1853 gnus-summary-kill-menu gnus-summary-mode-map ""
1858 ["Customize" gnus-score-customize t])
1859 (gnus-make-score-map 'increase)
1860 (gnus-make-score-map 'lower)
1862 ["Kill below" gnus-summary-kill-below t]
1863 ["Mark above" gnus-summary-mark-above t]
1864 ["Tick above" gnus-summary-tick-above t]
1865 ["Clear above" gnus-summary-clear-above t])
1866 ["Current score" gnus-summary-current-score t]
1867 ["Set score" gnus-summary-set-score t]
1868 ["Switch current score file..." gnus-score-change-score-file t]
1869 ["Set mark below..." gnus-score-set-mark-below t]
1870 ["Set expunge below..." gnus-score-set-expunge-below t]
1871 ["Edit current score file" gnus-score-edit-current-scores t]
1872 ["Edit score file" gnus-score-edit-file t]
1873 ["Trace score" gnus-score-find-trace t]
1874 ["Find words" gnus-score-find-favourite-words t]
1875 ["Rescore buffer" gnus-summary-rescore t]
1876 ["Increase score..." gnus-summary-increase-score t]
1877 ["Lower score..." gnus-summary-lower-score t]))))
1879 ;; Define both the Article menu in the summary buffer and the
1880 ;; equivalent Commands menu in the article buffer here for
1884 ["All" gnus-article-hide t]
1885 ["Headers" gnus-article-hide-headers t]
1886 ["Signature" gnus-article-hide-signature t]
1887 ["Citation" gnus-article-hide-citation t]
1888 ["List identifiers" gnus-article-hide-list-identifiers t]
1889 ["PGP" gnus-article-hide-pgp t]
1890 ["Banner" gnus-article-strip-banner t]
1891 ["Boring headers" gnus-article-hide-boring-headers t])
1893 ["All" gnus-article-highlight t]
1894 ["Headers" gnus-article-highlight-headers t]
1895 ["Signature" gnus-article-highlight-signature t]
1896 ["Citation" gnus-article-highlight-citation t])
1898 ["Words" gnus-article-decode-mime-words t]
1899 ["Charset" gnus-article-decode-charset t]
1900 ["QP" gnus-article-de-quoted-unreadable t]
1901 ["Base64" gnus-article-de-base64-unreadable t]
1902 ["View all" gnus-mime-view-all-parts t]
1903 ["Verify and Decrypt" gnus-summary-force-verify-and-decrypt t]
1904 ["Encrypt body" gnus-article-encrypt-body t])
1906 ["Local" gnus-article-date-local t]
1907 ["ISO8601" gnus-article-date-iso8601 t]
1908 ["UT" gnus-article-date-ut t]
1909 ["Original" gnus-article-date-original t]
1910 ["Lapsed" gnus-article-date-lapsed t]
1911 ["User-defined" gnus-article-date-user t])
1913 ["Remove images" gnus-article-remove-images t]
1914 ["Toggle smiley" gnus-treat-smiley t]
1915 ["Show X-Face" gnus-article-display-x-face t]
1916 ["Show picons in From" gnus-treat-from-picon t]
1917 ["Show picons in mail headers" gnus-treat-mail-picon t]
1918 ["Show picons in news headers" gnus-treat-newsgroups-picon t])
1921 ["Leading" gnus-article-strip-leading-blank-lines t]
1922 ["Multiple" gnus-article-strip-multiple-blank-lines t]
1923 ["Trailing" gnus-article-remove-trailing-blank-lines t]
1924 ["All of the above" gnus-article-strip-blank-lines t]
1925 ["All" gnus-article-strip-all-blank-lines t]
1926 ["Leading space" gnus-article-strip-leading-space t]
1927 ["Trailing space" gnus-article-strip-trailing-space t]
1928 ["Leading space in headers"
1929 gnus-article-remove-leading-whitespace t])
1930 ["Overstrike" gnus-article-treat-overstrike t]
1931 ["Dumb quotes" gnus-article-treat-dumbquotes t]
1932 ["Emphasis" gnus-article-emphasize t]
1933 ["Word wrap" gnus-article-fill-cited-article t]
1934 ["Fill long lines" gnus-article-fill-long-lines t]
1935 ["Capitalize sentences" gnus-article-capitalize-sentences t]
1936 ["CR" gnus-article-remove-cr t]
1937 ["Quoted-Printable" gnus-article-de-quoted-unreadable t]
1938 ["Base64" gnus-article-de-base64-unreadable t]
1939 ["Rot 13" gnus-summary-caesar-message
1940 ,@(if (featurep 'xemacs) '(t)
1941 '(:help "\"Caesar rotate\" article by 13"))]
1942 ["Unix pipe" gnus-summary-pipe-message t]
1943 ["Add buttons" gnus-article-add-buttons t]
1944 ["Add buttons to head" gnus-article-add-buttons-to-head t]
1945 ["Stop page breaking" gnus-summary-stop-page-breaking t]
1946 ["Verbose header" gnus-summary-verbose-headers t]
1947 ["Toggle header" gnus-summary-toggle-header t]
1948 ["Unfold headers" gnus-article-treat-unfold-headers t]
1949 ["Fold newsgroups" gnus-article-treat-fold-newsgroups t]
1950 ["Html" gnus-article-wash-html t]
1951 ["Verify X-PGP-Sig" gnus-article-verify-x-pgp-sig t]
1952 ["HZ" gnus-article-decode-HZ t])
1954 ["Save in default format" gnus-summary-save-article
1955 ,@(if (featurep 'xemacs) '(t)
1956 '(:help "Save article using default method"))]
1957 ["Save in file" gnus-summary-save-article-file
1958 ,@(if (featurep 'xemacs) '(t)
1959 '(:help "Save article in file"))]
1960 ["Save in Unix mail format" gnus-summary-save-article-mail t]
1961 ["Save in MH folder" gnus-summary-save-article-folder t]
1962 ["Save in VM folder" gnus-summary-save-article-vm t]
1963 ["Save in RMAIL mbox" gnus-summary-save-article-rmail t]
1964 ["Save body in file" gnus-summary-save-article-body-file t]
1965 ["Pipe through a filter" gnus-summary-pipe-output t]
1966 ["Add to SOUP packet" gnus-soup-add-article t]
1967 ["Print with Muttprint" gnus-summary-muttprint t]
1968 ["Print" gnus-summary-print-article t])
1970 ["Respool article..." gnus-summary-respool-article t]
1971 ["Move article..." gnus-summary-move-article
1972 (gnus-check-backend-function
1973 'request-move-article gnus-newsgroup-name)]
1974 ["Copy article..." gnus-summary-copy-article t]
1975 ["Crosspost article..." gnus-summary-crosspost-article
1976 (gnus-check-backend-function
1977 'request-replace-article gnus-newsgroup-name)]
1978 ["Import file..." gnus-summary-import-article t]
1979 ["Create article..." gnus-summary-create-article t]
1980 ["Check if posted" gnus-summary-article-posted-p t]
1981 ["Edit article" gnus-summary-edit-article
1982 (not (gnus-group-read-only-p))]
1983 ["Delete article" gnus-summary-delete-article
1984 (gnus-check-backend-function
1985 'request-expire-articles gnus-newsgroup-name)]
1986 ["Query respool" gnus-summary-respool-query t]
1987 ["Trace respool" gnus-summary-respool-trace t]
1988 ["Delete expirable articles" gnus-summary-expire-articles-now
1989 (gnus-check-backend-function
1990 'request-expire-articles gnus-newsgroup-name)])
1992 ["Uudecode" gnus-uu-decode-uu
1993 ,@(if (featurep 'xemacs) '(t)
1994 '(:help "Decode uuencoded article(s)"))]
1995 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
1996 ["Unshar" gnus-uu-decode-unshar t]
1997 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
1998 ["Save" gnus-uu-decode-save t]
1999 ["Binhex" gnus-uu-decode-binhex t]
2000 ["Postscript" gnus-uu-decode-postscript t])
2002 ["Enter article" gnus-cache-enter-article t]
2003 ["Remove article" gnus-cache-remove-article t])
2004 ["Translate" gnus-article-babel t]
2005 ["Select article buffer" gnus-summary-select-article-buffer t]
2006 ["Enter digest buffer" gnus-summary-enter-digest-group t]
2007 ["Isearch article..." gnus-summary-isearch-article t]
2008 ["Beginning of the article" gnus-summary-beginning-of-article t]
2009 ["End of the article" gnus-summary-end-of-article t]
2010 ["Fetch parent of article" gnus-summary-refer-parent-article t]
2011 ["Fetch referenced articles" gnus-summary-refer-references t]
2012 ["Fetch current thread" gnus-summary-refer-thread t]
2013 ["Fetch article with id..." gnus-summary-refer-article t]
2014 ["Setup Mailing List Params" gnus-mailing-list-insinuate t]
2015 ["Redisplay" gnus-summary-show-article t]
2016 ["Raw article" gnus-summary-show-raw-article t])))
2018 gnus-summary-article-menu gnus-summary-mode-map ""
2019 (cons "Article" innards))
2021 (if (not (keymapp gnus-summary-article-menu))
2023 gnus-article-commands-menu gnus-article-mode-map ""
2024 (cons "Commands" innards))
2025 ;; in Emacs, don't share menu.
2026 (setq gnus-article-commands-menu
2027 (copy-keymap gnus-summary-article-menu))
2028 (define-key gnus-article-mode-map [menu-bar commands]
2029 (cons "Commands" gnus-article-commands-menu))))
2032 gnus-summary-thread-menu gnus-summary-mode-map ""
2034 ["Toggle threading" gnus-summary-toggle-threads t]
2035 ["Hide threads" gnus-summary-hide-all-threads t]
2036 ["Show threads" gnus-summary-show-all-threads t]
2037 ["Hide thread" gnus-summary-hide-thread t]
2038 ["Show thread" gnus-summary-show-thread t]
2039 ["Go to next thread" gnus-summary-next-thread t]
2040 ["Go to previous thread" gnus-summary-prev-thread t]
2041 ["Go down thread" gnus-summary-down-thread t]
2042 ["Go up thread" gnus-summary-up-thread t]
2043 ["Top of thread" gnus-summary-top-thread t]
2044 ["Mark thread as read" gnus-summary-kill-thread t]
2045 ["Lower thread score" gnus-summary-lower-thread t]
2046 ["Raise thread score" gnus-summary-raise-thread t]
2047 ["Rethread current" gnus-summary-rethread-current t]))
2050 gnus-summary-post-menu gnus-summary-mode-map ""
2052 ["Send a message (mail or news)" gnus-summary-post-news
2053 ,@(if (featurep 'xemacs) '(t)
2054 '(:help "Post an article"))]
2055 ["Followup" gnus-summary-followup
2056 ,@(if (featurep 'xemacs) '(t)
2057 '(:help "Post followup to this article"))]
2058 ["Followup and yank" gnus-summary-followup-with-original
2059 ,@(if (featurep 'xemacs) '(t)
2060 '(:help "Post followup to this article, quoting its contents"))]
2061 ["Supersede article" gnus-summary-supersede-article t]
2062 ["Cancel article" gnus-summary-cancel-article
2063 ,@(if (featurep 'xemacs) '(t)
2064 '(:help "Cancel an article you posted"))]
2065 ["Reply" gnus-summary-reply t]
2066 ["Reply and yank" gnus-summary-reply-with-original t]
2067 ["Wide reply" gnus-summary-wide-reply t]
2068 ["Wide reply and yank" gnus-summary-wide-reply-with-original
2069 ,@(if (featurep 'xemacs) '(t)
2070 '(:help "Mail a reply, quoting this article"))]
2071 ["Mail forward" gnus-summary-mail-forward t]
2072 ["Post forward" gnus-summary-post-forward t]
2073 ["Digest and mail" gnus-uu-digest-mail-forward t]
2074 ["Digest and post" gnus-uu-digest-post-forward t]
2075 ["Resend message" gnus-summary-resend-message t]
2076 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
2077 ["Send a mail" gnus-summary-mail-other-window t]
2078 ["Create a local message" gnus-summary-news-other-window t]
2079 ["Uuencode and post" gnus-uu-post-news
2080 ,@(if (featurep 'xemacs) '(t)
2081 '(:help "Post a uuencoded article"))]
2082 ["Followup via news" gnus-summary-followup-to-mail t]
2083 ["Followup via news and yank"
2084 gnus-summary-followup-to-mail-with-original t]
2086 ;;["Send" gnus-summary-send-draft t]
2087 ;;["Send bounced" gnus-resend-bounced-mail t])
2091 ((not (keymapp gnus-summary-post-menu))
2092 (setq gnus-article-post-menu gnus-summary-post-menu))
2093 ((not gnus-article-post-menu)
2094 ;; Don't share post menu.
2095 (setq gnus-article-post-menu
2096 (copy-keymap gnus-summary-post-menu))))
2097 (define-key gnus-article-mode-map [menu-bar post]
2098 (cons "Post" gnus-article-post-menu))
2101 gnus-summary-misc-menu gnus-summary-mode-map ""
2104 ["Mark as read" gnus-summary-mark-as-read-forward t]
2105 ["Mark same subject and select"
2106 gnus-summary-kill-same-subject-and-select t]
2107 ["Mark same subject" gnus-summary-kill-same-subject t]
2108 ["Catchup" gnus-summary-catchup
2109 ,@(if (featurep 'xemacs) '(t)
2110 '(:help "Mark unread articles in this group as read"))]
2111 ["Catchup all" gnus-summary-catchup-all t]
2112 ["Catchup to here" gnus-summary-catchup-to-here t]
2113 ["Catchup from here" gnus-summary-catchup-from-here t]
2114 ["Catchup region" gnus-summary-mark-region-as-read t]
2115 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
2117 ["Tick" gnus-summary-tick-article-forward t]
2118 ["Mark as dormant" gnus-summary-mark-as-dormant t]
2119 ["Remove marks" gnus-summary-clear-mark-forward t]
2120 ["Set expirable mark" gnus-summary-mark-as-expirable t]
2121 ["Set bookmark" gnus-summary-set-bookmark t]
2122 ["Remove bookmark" gnus-summary-remove-bookmark t])
2124 ["Marks..." gnus-summary-limit-to-marks t]
2125 ["Subject..." gnus-summary-limit-to-subject t]
2126 ["Author..." gnus-summary-limit-to-author t]
2127 ["Age..." gnus-summary-limit-to-age t]
2128 ["Extra..." gnus-summary-limit-to-extra t]
2129 ["Score" gnus-summary-limit-to-score t]
2130 ["Display Predicate" gnus-summary-limit-to-display-predicate t]
2131 ["Unread" gnus-summary-limit-to-unread t]
2132 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
2133 ["Articles" gnus-summary-limit-to-articles t]
2134 ["Pop limit" gnus-summary-pop-limit t]
2135 ["Show dormant" gnus-summary-limit-include-dormant t]
2136 ["Hide childless dormant"
2137 gnus-summary-limit-exclude-childless-dormant t]
2138 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
2139 ["Hide marked" gnus-summary-limit-exclude-marks t]
2140 ["Show expunged" gnus-summary-limit-include-expunged t])
2142 ["Set mark" gnus-summary-mark-as-processable t]
2143 ["Remove mark" gnus-summary-unmark-as-processable t]
2144 ["Remove all marks" gnus-summary-unmark-all-processable t]
2145 ["Mark above" gnus-uu-mark-over t]
2146 ["Mark series" gnus-uu-mark-series t]
2147 ["Mark region" gnus-uu-mark-region t]
2148 ["Unmark region" gnus-uu-unmark-region t]
2149 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
2150 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
2151 ["Mark all" gnus-uu-mark-all t]
2152 ["Mark buffer" gnus-uu-mark-buffer t]
2153 ["Mark sparse" gnus-uu-mark-sparse t]
2154 ["Mark thread" gnus-uu-mark-thread t]
2155 ["Unmark thread" gnus-uu-unmark-thread t]
2156 ("Process Mark Sets"
2157 ["Kill" gnus-summary-kill-process-mark t]
2158 ["Yank" gnus-summary-yank-process-mark
2159 gnus-newsgroup-process-stack]
2160 ["Save" gnus-summary-save-process-mark t]))
2162 ["Page forward" gnus-summary-next-page
2163 ,@(if (featurep 'xemacs) '(t)
2164 '(:help "Show next page of article"))]
2165 ["Page backward" gnus-summary-prev-page
2166 ,@(if (featurep 'xemacs) '(t)
2167 '(:help "Show previous page of article"))]
2168 ["Line forward" gnus-summary-scroll-up t])
2170 ["Next unread article" gnus-summary-next-unread-article t]
2171 ["Previous unread article" gnus-summary-prev-unread-article t]
2172 ["Next article" gnus-summary-next-article t]
2173 ["Previous article" gnus-summary-prev-article t]
2174 ["Next unread subject" gnus-summary-next-unread-subject t]
2175 ["Previous unread subject" gnus-summary-prev-unread-subject t]
2176 ["Next article same subject" gnus-summary-next-same-subject t]
2177 ["Previous article same subject" gnus-summary-prev-same-subject t]
2178 ["First unread article" gnus-summary-first-unread-article t]
2179 ["Best unread article" gnus-summary-best-unread-article t]
2180 ["Go to subject number..." gnus-summary-goto-subject t]
2181 ["Go to article number..." gnus-summary-goto-article t]
2182 ["Go to the last article" gnus-summary-goto-last-article t]
2183 ["Pop article off history" gnus-summary-pop-article t])
2185 ["Sort by number" gnus-summary-sort-by-number t]
2186 ["Sort by author" gnus-summary-sort-by-author t]
2187 ["Sort by subject" gnus-summary-sort-by-subject t]
2188 ["Sort by date" gnus-summary-sort-by-date t]
2189 ["Sort by score" gnus-summary-sort-by-score t]
2190 ["Sort by lines" gnus-summary-sort-by-lines t]
2191 ["Sort by characters" gnus-summary-sort-by-chars t]
2192 ["Original sort" gnus-summary-sort-by-original t])
2194 ["Fetch group FAQ" gnus-summary-fetch-faq t]
2195 ["Describe group" gnus-summary-describe-group t]
2196 ["Read manual" gnus-info-find-node t])
2198 ["Pick and read" gnus-pick-mode t]
2199 ["Binary" gnus-binary-mode t])
2201 ["Regenerate" gnus-summary-prepare t]
2202 ["Insert cached articles" gnus-summary-insert-cached-articles t]
2203 ["Toggle threading" gnus-summary-toggle-threads t])
2204 ["See old articles" gnus-summary-insert-old-articles t]
2205 ["See new articles" gnus-summary-insert-new-articles t]
2206 ["Filter articles..." gnus-summary-execute-command t]
2207 ["Run command on subjects..." gnus-summary-universal-argument t]
2208 ["Search articles forward..." gnus-summary-search-article-forward t]
2209 ["Search articles backward..." gnus-summary-search-article-backward t]
2210 ["Toggle line truncation" gnus-summary-toggle-truncation t]
2211 ["Expand window" gnus-summary-expand-window t]
2212 ["Expire expirable articles" gnus-summary-expire-articles
2213 (gnus-check-backend-function
2214 'request-expire-articles gnus-newsgroup-name)]
2215 ["Edit local kill file" gnus-summary-edit-local-kill t]
2216 ["Edit main kill file" gnus-summary-edit-global-kill t]
2217 ["Edit group parameters" gnus-summary-edit-parameters t]
2218 ["Customize group parameters" gnus-summary-customize-parameters t]
2219 ["Send a bug report" gnus-bug t]
2221 ["Catchup and exit" gnus-summary-catchup-and-exit
2222 ,@(if (featurep 'xemacs) '(t)
2223 '(:help "Mark unread articles in this group as read, then exit"))]
2224 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
2225 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
2226 ["Exit group" gnus-summary-exit
2227 ,@(if (featurep 'xemacs) '(t)
2228 '(:help "Exit current group, return to group selection mode"))]
2229 ["Exit group without updating" gnus-summary-exit-no-update t]
2230 ["Exit and goto next group" gnus-summary-next-group t]
2231 ["Exit and goto prev group" gnus-summary-prev-group t]
2232 ["Reselect group" gnus-summary-reselect-current-group t]
2233 ["Rescan group" gnus-summary-rescan-group t]
2234 ["Update dribble" gnus-summary-save-newsrc t])))
2236 (gnus-run-hooks 'gnus-summary-menu-hook)))
2238 (defvar gnus-summary-tool-bar-map nil)
2240 ;; Emacs 21 tool bar. Should be no-op otherwise.
2241 (defun gnus-summary-make-tool-bar ()
2242 (if (and (fboundp 'tool-bar-add-item-from-menu)
2243 (default-value 'tool-bar-mode)
2244 (not gnus-summary-tool-bar-map))
2245 (setq gnus-summary-tool-bar-map
2246 (let ((tool-bar-map (make-sparse-keymap))
2247 (load-path (mm-image-load-path)))
2248 (tool-bar-add-item-from-menu
2249 'gnus-summary-prev-unread "prev-ur" gnus-summary-mode-map)
2250 (tool-bar-add-item-from-menu
2251 'gnus-summary-next-unread "next-ur" gnus-summary-mode-map)
2252 (tool-bar-add-item-from-menu
2253 'gnus-summary-post-news "post" gnus-summary-mode-map)
2254 (tool-bar-add-item-from-menu
2255 'gnus-summary-followup-with-original "fuwo" gnus-summary-mode-map)
2256 (tool-bar-add-item-from-menu
2257 'gnus-summary-followup "followup" gnus-summary-mode-map)
2258 (tool-bar-add-item-from-menu
2259 'gnus-summary-reply-with-original "reply-wo" gnus-summary-mode-map)
2260 (tool-bar-add-item-from-menu
2261 'gnus-summary-reply "reply" gnus-summary-mode-map)
2262 (tool-bar-add-item-from-menu
2263 'gnus-summary-caesar-message "rot13" gnus-summary-mode-map)
2264 (tool-bar-add-item-from-menu
2265 'gnus-uu-decode-uu "uu-decode" gnus-summary-mode-map)
2266 (tool-bar-add-item-from-menu
2267 'gnus-summary-save-article-file "save-aif" gnus-summary-mode-map)
2268 (tool-bar-add-item-from-menu
2269 'gnus-summary-save-article "save-art" gnus-summary-mode-map)
2270 (tool-bar-add-item-from-menu
2271 'gnus-uu-post-news "uu-post" gnus-summary-mode-map)
2272 (tool-bar-add-item-from-menu
2273 'gnus-summary-catchup "catchup" gnus-summary-mode-map)
2274 (tool-bar-add-item-from-menu
2275 'gnus-summary-catchup-and-exit "cu-exit" gnus-summary-mode-map)
2276 (tool-bar-add-item-from-menu
2277 'gnus-summary-exit "exit-summ" gnus-summary-mode-map)
2279 (if gnus-summary-tool-bar-map
2280 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
2282 (defun gnus-score-set-default (var value)
2283 "A version of set that updates the GNU Emacs menu-bar."
2285 ;; It is the message that forces the active status to be updated.
2288 (defun gnus-make-score-map (type)
2289 "Make a summary score map of type TYPE."
2292 (let ((headers '(("author" "from" string)
2293 ("subject" "subject" string)
2294 ("article body" "body" string)
2295 ("article head" "head" string)
2296 ("xref" "xref" string)
2297 ("extra header" "extra" string)
2298 ("lines" "lines" number)
2299 ("followups to author" "followup" string)))
2300 (types '((number ("less than" <)
2303 (string ("substring" s)
2307 (perms '(("temporary" (current-time-string))
2315 (if (eq type 'lower)
2320 (setq header (car headers))
2326 (let ((ts (cdr (assoc (nth 2 header) types)))
2342 'gnus-summary-score-entry
2344 (if (or (string= (nth 1 header)
2346 (string= (nth 1 header)
2349 (list 'gnus-summary-header
2351 (list 'quote (nth 1 (car ts)))
2352 (list 'gnus-score-delta-default
2359 (list (nreverse outp))))
2362 (list (nreverse outt))))
2364 (setq headers (cdr headers)))
2365 (list (nreverse outh))))))))
2369 (defun gnus-summary-mode (&optional group)
2370 "Major mode for reading articles.
2372 All normal editing commands are switched off.
2373 \\<gnus-summary-mode-map>
2374 Each line in this buffer represents one article. To read an
2375 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
2376 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
2379 You can also post articles and send mail from this buffer. To
2380 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
2381 of an article, type `\\[gnus-summary-reply]'.
2383 There are approx. one gazillion commands you can execute in this
2384 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
2386 The following commands are available:
2388 \\{gnus-summary-mode-map}"
2390 (kill-all-local-variables)
2391 (when (gnus-visual-p 'summary-menu 'menu)
2392 (gnus-summary-make-menu-bar)
2393 (gnus-summary-make-tool-bar))
2394 (gnus-summary-make-local-variables)
2395 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
2396 (gnus-summary-make-local-variables))
2397 (gnus-make-thread-indent-array)
2398 (gnus-simplify-mode-line)
2399 (setq major-mode 'gnus-summary-mode)
2400 (setq mode-name "Summary")
2401 (make-local-variable 'minor-mode-alist)
2402 (use-local-map gnus-summary-mode-map)
2403 (buffer-disable-undo)
2404 (setq buffer-read-only t) ;Disable modification
2405 (setq truncate-lines t)
2406 (setq selective-display t)
2407 (setq selective-display-ellipses t) ;Display `...'
2408 (gnus-summary-set-display-table)
2409 (gnus-set-default-directory)
2410 (setq gnus-newsgroup-name group)
2411 (make-local-variable 'gnus-summary-line-format)
2412 (make-local-variable 'gnus-summary-line-format-spec)
2413 (make-local-variable 'gnus-summary-dummy-line-format)
2414 (make-local-variable 'gnus-summary-dummy-line-format-spec)
2415 (make-local-variable 'gnus-summary-mark-positions)
2416 (make-local-hook 'pre-command-hook)
2417 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
2418 (gnus-run-hooks 'gnus-summary-mode-hook)
2419 (turn-on-gnus-mailing-list-mode)
2420 (mm-enable-multibyte-mule4)
2421 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
2422 (gnus-update-summary-mark-positions))
2424 (defun gnus-summary-make-local-variables ()
2425 "Make all the local summary buffer variables."
2427 (dolist (local gnus-summary-local-variables)
2430 (if (eq (cdr local) 'global)
2431 ;; Copy the global value of the variable.
2432 (setq global (symbol-value (car local)))
2433 ;; Use the value from the list.
2434 (setq global (eval (cdr local))))
2435 (set (make-local-variable (car local)) global))
2436 ;; Simple nil-valued local variable.
2437 (set (make-local-variable local) nil)))))
2439 (defun gnus-summary-clear-local-variables ()
2440 (let ((locals gnus-summary-local-variables))
2442 (if (consp (car locals))
2443 (and (vectorp (caar locals))
2444 (set (caar locals) nil))
2445 (and (vectorp (car locals))
2446 (set (car locals) nil)))
2447 (setq locals (cdr locals)))))
2449 ;; Summary data functions.
2451 (defmacro gnus-data-number (data)
2454 (defmacro gnus-data-set-number (data number)
2455 `(setcar ,data ,number))
2457 (defmacro gnus-data-mark (data)
2460 (defmacro gnus-data-set-mark (data mark)
2461 `(setcar (nthcdr 1 ,data) ,mark))
2463 (defmacro gnus-data-pos (data)
2466 (defmacro gnus-data-set-pos (data pos)
2467 `(setcar (nthcdr 2 ,data) ,pos))
2469 (defmacro gnus-data-header (data)
2472 (defmacro gnus-data-set-header (data header)
2473 `(setf (nth 3 ,data) ,header))
2475 (defmacro gnus-data-level (data)
2478 (defmacro gnus-data-unread-p (data)
2479 `(= (nth 1 ,data) gnus-unread-mark))
2481 (defmacro gnus-data-read-p (data)
2482 `(/= (nth 1 ,data) gnus-unread-mark))
2484 (defmacro gnus-data-pseudo-p (data)
2485 `(consp (nth 3 ,data)))
2487 (defmacro gnus-data-find (number)
2488 `(assq ,number gnus-newsgroup-data))
2490 (defmacro gnus-data-find-list (number &optional data)
2491 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
2492 (memq (assq ,number bdata)
2495 (defmacro gnus-data-make (number mark pos header level)
2496 `(list ,number ,mark ,pos ,header ,level))
2498 (defun gnus-data-enter (after-article number mark pos header level offset)
2499 (let ((data (gnus-data-find-list after-article)))
2501 (error "No such article: %d" after-article))
2502 (setcdr data (cons (gnus-data-make number mark pos header level)
2504 (setq gnus-newsgroup-data-reverse nil)
2505 (gnus-data-update-list (cddr data) offset)))
2507 (defun gnus-data-enter-list (after-article list &optional offset)
2509 (let ((data (and after-article (gnus-data-find-list after-article)))
2513 (let ((odata gnus-newsgroup-data))
2514 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
2516 (gnus-data-update-list odata offset)))
2517 ;; Find the last element in the list to be spliced into the main
2520 (setq list (cdr list)))
2523 (setcdr list gnus-newsgroup-data)
2524 (setq gnus-newsgroup-data ilist)
2526 (gnus-data-update-list (cdr list) offset)))
2527 (setcdr list (cdr data))
2530 (gnus-data-update-list (cdr list) offset))))
2531 (setq gnus-newsgroup-data-reverse nil))))
2533 (defun gnus-data-remove (article &optional offset)
2534 (let ((data gnus-newsgroup-data))
2535 (if (= (gnus-data-number (car data)) article)
2537 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
2538 gnus-newsgroup-data-reverse nil)
2540 (gnus-data-update-list gnus-newsgroup-data offset)))
2542 (when (= (gnus-data-number (cadr data)) article)
2543 (setcdr data (cddr data))
2545 (gnus-data-update-list (cdr data) offset))
2547 gnus-newsgroup-data-reverse nil))
2548 (setq data (cdr data))))))
2550 (defmacro gnus-data-list (backward)
2552 (or gnus-newsgroup-data-reverse
2553 (setq gnus-newsgroup-data-reverse
2554 (reverse gnus-newsgroup-data)))
2555 gnus-newsgroup-data))
2557 (defun gnus-data-update-list (data offset)
2558 "Add OFFSET to the POS of all data entries in DATA."
2559 (setq gnus-newsgroup-data-reverse nil)
2561 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
2562 (setq data (cdr data))))
2564 (defun gnus-summary-article-pseudo-p (article)
2565 "Say whether this article is a pseudo article or not."
2566 (not (vectorp (gnus-data-header (gnus-data-find article)))))
2568 (defmacro gnus-summary-article-sparse-p (article)
2569 "Say whether this article is a sparse article or not."
2570 `(memq ,article gnus-newsgroup-sparse))
2572 (defmacro gnus-summary-article-ancient-p (article)
2573 "Say whether this article is a sparse article or not."
2574 `(memq ,article gnus-newsgroup-ancient))
2576 (defun gnus-article-parent-p (number)
2577 "Say whether this article is a parent or not."
2578 (let ((data (gnus-data-find-list number)))
2579 (and (cdr data) ; There has to be an article after...
2580 (< (gnus-data-level (car data)) ; And it has to have a higher level.
2581 (gnus-data-level (nth 1 data))))))
2583 (defun gnus-article-children (number)
2584 "Return a list of all children to NUMBER."
2585 (let* ((data (gnus-data-find-list number))
2586 (level (gnus-data-level (car data)))
2588 (setq data (cdr data))
2590 (= (gnus-data-level (car data)) (1+ level)))
2591 (push (gnus-data-number (car data)) children)
2592 (setq data (cdr data)))
2595 (defmacro gnus-summary-skip-intangible ()
2596 "If the current article is intangible, then jump to a different article."
2597 '(let ((to (get-text-property (point) 'gnus-intangible)))
2598 (and to (gnus-summary-goto-subject to))))
2600 (defmacro gnus-summary-article-intangible-p ()
2601 "Say whether this article is intangible or not."
2602 '(get-text-property (point) 'gnus-intangible))
2604 (defun gnus-article-read-p (article)
2605 "Say whether ARTICLE is read or not."
2606 (not (or (memq article gnus-newsgroup-marked)
2607 (memq article gnus-newsgroup-unreads)
2608 (memq article gnus-newsgroup-unselected)
2609 (memq article gnus-newsgroup-dormant))))
2611 ;; Some summary mode macros.
2613 (defmacro gnus-summary-article-number ()
2614 "The article number of the article on the current line.
2615 If there isn's an article number here, then we return the current
2618 (gnus-summary-skip-intangible)
2619 (or (get-text-property (point) 'gnus-number)
2620 (gnus-summary-last-subject))))
2622 (defmacro gnus-summary-article-header (&optional number)
2623 "Return the header of article NUMBER."
2624 `(gnus-data-header (gnus-data-find
2625 ,(or number '(gnus-summary-article-number)))))
2627 (defmacro gnus-summary-thread-level (&optional number)
2628 "Return the level of thread that starts with article NUMBER."
2629 `(if (and (eq gnus-summary-make-false-root 'dummy)
2630 (get-text-property (point) 'gnus-intangible))
2632 (gnus-data-level (gnus-data-find
2633 ,(or number '(gnus-summary-article-number))))))
2635 (defmacro gnus-summary-article-mark (&optional number)
2636 "Return the mark of article NUMBER."
2637 `(gnus-data-mark (gnus-data-find
2638 ,(or number '(gnus-summary-article-number)))))
2640 (defmacro gnus-summary-article-pos (&optional number)
2641 "Return the position of the line of article NUMBER."
2642 `(gnus-data-pos (gnus-data-find
2643 ,(or number '(gnus-summary-article-number)))))
2645 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
2646 (defmacro gnus-summary-article-subject (&optional number)
2647 "Return current subject string or nil if nothing."
2650 `(gnus-data-header (assq ,number gnus-newsgroup-data))
2651 '(gnus-data-header (assq (gnus-summary-article-number)
2652 gnus-newsgroup-data)))))
2655 (mail-header-subject headers))))
2657 (defmacro gnus-summary-article-score (&optional number)
2658 "Return current article score."
2659 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
2660 gnus-newsgroup-scored))
2661 gnus-summary-default-score 0))
2663 (defun gnus-summary-article-children (&optional number)
2664 "Return a list of article numbers that are children of article NUMBER."
2665 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
2666 (level (gnus-data-level (car data)))
2668 (while (and (setq data (cdr data))
2669 (> (setq l (gnus-data-level (car data))) level))
2670 (and (= (1+ level) l)
2671 (push (gnus-data-number (car data))
2673 (nreverse children)))
2675 (defun gnus-summary-article-parent (&optional number)
2676 "Return the article number of the parent of article NUMBER."
2677 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
2678 (gnus-data-list t)))
2679 (level (gnus-data-level (car data))))
2681 () ; This is a root.
2682 ;; We search until we find an article with a level less than
2683 ;; this one. That function has to be the parent.
2684 (while (and (setq data (cdr data))
2685 (not (< (gnus-data-level (car data)) level))))
2686 (and data (gnus-data-number (car data))))))
2688 (defun gnus-unread-mark-p (mark)
2689 "Say whether MARK is the unread mark."
2690 (= mark gnus-unread-mark))
2692 (defun gnus-read-mark-p (mark)
2693 "Say whether MARK is one of the marks that mark as read.
2694 This is all marks except unread, ticked, dormant, and expirable."
2695 (not (or (= mark gnus-unread-mark)
2696 (= mark gnus-ticked-mark)
2697 (= mark gnus-dormant-mark)
2698 (= mark gnus-expirable-mark))))
2700 (defmacro gnus-article-mark (number)
2701 "Return the MARK of article NUMBER.
2702 This macro should only be used when computing the mark the \"first\"
2703 time; i.e., when generating the summary lines. After that,
2704 `gnus-summary-article-mark' should be used to examine the
2707 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
2708 ((memq ,number gnus-newsgroup-undownloaded) gnus-undownloaded-mark)
2709 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
2710 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
2711 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
2712 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
2713 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
2714 (t (or (cdr (assq ,number gnus-newsgroup-reads))
2715 gnus-ancient-mark))))
2717 ;; Saving hidden threads.
2719 (defmacro gnus-save-hidden-threads (&rest forms)
2720 "Save hidden threads, eval FORMS, and restore the hidden threads."
2721 (let ((config (make-symbol "config")))
2722 `(let ((,config (gnus-hidden-threads-configuration)))
2726 (gnus-restore-hidden-threads-configuration ,config)))))
2727 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
2728 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
2730 (defun gnus-data-compute-positions ()
2731 "Compute the positions of all articles."
2732 (setq gnus-newsgroup-data-reverse nil)
2733 (let ((data gnus-newsgroup-data))
2735 (gnus-save-hidden-threads
2736 (gnus-summary-show-all-threads)
2737 (goto-char (point-min))
2739 (while (get-text-property (point) 'gnus-intangible)
2741 (gnus-data-set-pos (car data) (+ (point) 3))
2742 (setq data (cdr data))
2743 (forward-line 1))))))
2745 (defun gnus-hidden-threads-configuration ()
2746 "Return the current hidden threads configuration."
2749 (goto-char (point-min))
2750 (while (search-forward "\r" nil t)
2751 (push (1- (point)) config))
2754 (defun gnus-restore-hidden-threads-configuration (config)
2755 "Restore hidden threads configuration from CONFIG."
2757 (let (point buffer-read-only)
2758 (while (setq point (pop config))
2759 (when (and (< point (point-max))
2761 (eq (char-after) ?\n))
2762 (subst-char-in-region point (1+ point) ?\n ?\r))))))
2764 ;; Various summary mode internalish functions.
2766 (defun gnus-mouse-pick-article (e)
2769 (gnus-summary-next-page nil t))
2771 (defun gnus-summary-set-display-table ()
2772 "Change the display table.
2773 Odd characters have a tendency to mess
2774 up nicely formatted displays - we make all possible glyphs
2775 display only a single character."
2777 ;; We start from the standard display table, if any.
2778 (let ((table (or (copy-sequence standard-display-table)
2779 (make-display-table)))
2781 ;; Nix out all the control chars...
2782 (while (>= (setq i (1- i)) 0)
2783 (aset table i [??]))
2784 ;; ... but not newline and cr, of course. (cr is necessary for the
2785 ;; selective display).
2786 (aset table ?\n nil)
2787 (aset table ?\r nil)
2788 ;; We keep TAB as well.
2789 (aset table ?\t nil)
2790 ;; We nix out any glyphs over 126 that are not set already.
2792 (while (>= (setq i (1- i)) 127)
2793 ;; Only modify if the entry is nil.
2794 (unless (aref table i)
2795 (aset table i [??]))))
2796 (setq buffer-display-table table)))
2798 (defun gnus-summary-set-article-display-arrow (pos)
2799 "Update the overlay arrow to point to line at position POS."
2800 (when (and gnus-summary-display-arrow
2801 (boundp 'overlay-arrow-position)
2802 (boundp 'overlay-arrow-string))
2806 (unless overlay-arrow-position
2807 (setq overlay-arrow-position (make-marker)))
2808 (setq overlay-arrow-string "=>"
2809 overlay-arrow-position (set-marker overlay-arrow-position
2811 (current-buffer))))))
2813 (defun gnus-summary-buffer-name (group)
2814 "Return the summary buffer name of GROUP."
2815 (concat "*Summary " (gnus-group-decoded-name group) "*"))
2817 (defun gnus-summary-setup-buffer (group)
2818 "Initialize summary buffer."
2819 (let ((buffer (gnus-summary-buffer-name group)))
2820 (if (get-buffer buffer)
2823 (setq gnus-summary-buffer (current-buffer))
2824 (not gnus-newsgroup-prepared))
2825 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
2826 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
2827 (gnus-summary-mode group)
2829 (gnus-carpal-setup-buffer 'summary))
2830 (unless gnus-single-article-buffer
2831 (make-local-variable 'gnus-article-buffer)
2832 (make-local-variable 'gnus-article-current)
2833 (make-local-variable 'gnus-original-article-buffer))
2834 (setq gnus-newsgroup-name group)
2835 ;; Set any local variables in the group parameters.
2836 (gnus-summary-set-local-parameters gnus-newsgroup-name)
2839 (defun gnus-set-global-variables ()
2840 "Set the global equivalents of the buffer-local variables.
2841 They are set to the latest values they had. These reflect the summary
2842 buffer that was in action when the last article was fetched."
2843 (when (eq major-mode 'gnus-summary-mode)
2844 (setq gnus-summary-buffer (current-buffer))
2845 (let ((name gnus-newsgroup-name)
2846 (marked gnus-newsgroup-marked)
2847 (unread gnus-newsgroup-unreads)
2848 (headers gnus-current-headers)
2849 (data gnus-newsgroup-data)
2850 (summary gnus-summary-buffer)
2851 (article-buffer gnus-article-buffer)
2852 (original gnus-original-article-buffer)
2853 (gac gnus-article-current)
2854 (reffed gnus-reffed-article-number)
2855 (score-file gnus-current-score-file)
2856 (default-charset gnus-newsgroup-charset)
2858 (let ((locals gnus-newsgroup-variables))
2860 (if (consp (car locals))
2861 (push (eval (caar locals)) vlist)
2862 (push (eval (car locals)) vlist))
2863 (setq locals (cdr locals)))
2864 (setq vlist (nreverse vlist)))
2866 (set-buffer gnus-group-buffer)
2867 (setq gnus-newsgroup-name name
2868 gnus-newsgroup-marked marked
2869 gnus-newsgroup-unreads unread
2870 gnus-current-headers headers
2871 gnus-newsgroup-data data
2872 gnus-article-current gac
2873 gnus-summary-buffer summary
2874 gnus-article-buffer article-buffer
2875 gnus-original-article-buffer original
2876 gnus-reffed-article-number reffed
2877 gnus-current-score-file score-file
2878 gnus-newsgroup-charset default-charset)
2879 (let ((locals gnus-newsgroup-variables))
2881 (if (consp (car locals))
2882 (set (caar locals) (pop vlist))
2883 (set (car locals) (pop vlist)))
2884 (setq locals (cdr locals))))
2885 ;; The article buffer also has local variables.
2886 (when (gnus-buffer-live-p gnus-article-buffer)
2887 (set-buffer gnus-article-buffer)
2888 (setq gnus-summary-buffer summary))))))
2890 (defun gnus-summary-article-unread-p (article)
2891 "Say whether ARTICLE is unread or not."
2892 (memq article gnus-newsgroup-unreads))
2894 (defun gnus-summary-first-article-p (&optional article)
2895 "Return whether ARTICLE is the first article in the buffer."
2896 (if (not (setq article (or article (gnus-summary-article-number))))
2898 (eq article (caar gnus-newsgroup-data))))
2900 (defun gnus-summary-last-article-p (&optional article)
2901 "Return whether ARTICLE is the last article in the buffer."
2902 (if (not (setq article (or article (gnus-summary-article-number))))
2903 ;; All non-existent numbers are the last article. :-)
2905 (not (cdr (gnus-data-find-list article)))))
2907 (defun gnus-make-thread-indent-array ()
2909 (unless (and gnus-thread-indent-array
2910 (= gnus-thread-indent-level gnus-thread-indent-array-level))
2911 (setq gnus-thread-indent-array (make-vector 201 "")
2912 gnus-thread-indent-array-level gnus-thread-indent-level)
2914 (aset gnus-thread-indent-array n
2915 (make-string (* n gnus-thread-indent-level) ? ))
2918 (defun gnus-update-summary-mark-positions ()
2919 "Compute where the summary marks are to go."
2921 (when (gnus-buffer-exists-p gnus-summary-buffer)
2922 (set-buffer gnus-summary-buffer))
2923 (let ((gnus-replied-mark 129)
2924 (gnus-score-below-mark 130)
2925 (gnus-score-over-mark 130)
2926 (gnus-download-mark 131)
2927 (spec gnus-summary-line-format-spec)
2930 (gnus-set-work-buffer)
2931 (let ((gnus-summary-line-format-spec spec)
2932 (gnus-newsgroup-downloadable '((0 . t))))
2933 (gnus-summary-insert-line
2934 [0 "" "" "05 Apr 2001 23:33:09 +0400" "" "" 0 0 "" nil]
2935 0 nil 128 t nil "" nil 1)
2936 (goto-char (point-min))
2937 (setq pos (list (cons 'unread (and (search-forward "\200" nil t)
2939 (goto-char (point-min))
2940 (push (cons 'replied (and (search-forward "\201" nil t)
2943 (goto-char (point-min))
2944 (push (cons 'score (and (search-forward "\202" nil t) (- (point) 2)))
2946 (goto-char (point-min))
2947 (push (cons 'download
2948 (and (search-forward "\203" nil t) (- (point) 2)))
2950 (setq gnus-summary-mark-positions pos))))
2952 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
2953 "Insert a dummy root in the summary buffer."
2955 (gnus-add-text-properties
2956 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
2957 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
2959 (defun gnus-summary-extract-address-component (from)
2960 (or (car (funcall gnus-extract-address-components from))
2963 (defun gnus-summary-from-or-to-or-newsgroups (header gnus-tmp-from)
2964 (let ((mail-parse-charset gnus-newsgroup-charset)
2965 ; Is it really necessary to do this next part for each summary line?
2966 ; Luckily, doesn't seem to slow things down much.
2967 (mail-parse-ignored-charsets
2968 (save-excursion (set-buffer gnus-summary-buffer)
2969 gnus-newsgroup-ignored-charsets)))
2971 (and gnus-ignored-from-addresses
2972 (string-match gnus-ignored-from-addresses gnus-tmp-from)
2973 (let ((extra-headers (mail-header-extra header))
2977 ((setq to (cdr (assq 'To extra-headers)))
2979 (gnus-summary-extract-address-component
2980 (funcall gnus-decode-encoded-word-function to))))
2981 ((setq newsgroups (cdr (assq 'Newsgroups extra-headers)))
2982 (concat "=> " newsgroups)))))
2983 (gnus-summary-extract-address-component gnus-tmp-from))))
2985 (defun gnus-summary-insert-line (gnus-tmp-header
2986 gnus-tmp-level gnus-tmp-current
2987 gnus-tmp-unread gnus-tmp-replied
2988 gnus-tmp-expirable gnus-tmp-subject-or-nil
2989 &optional gnus-tmp-dummy gnus-tmp-score
2991 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
2992 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
2993 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
2994 (gnus-tmp-score-char
2995 (if (or (null gnus-summary-default-score)
2996 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
2997 gnus-summary-zcore-fuzz))
2999 (if (< gnus-tmp-score gnus-summary-default-score)
3000 gnus-score-below-mark gnus-score-over-mark)))
3001 (gnus-tmp-number (mail-header-number gnus-tmp-header))
3003 (cond (gnus-tmp-process gnus-process-mark)
3004 ((memq gnus-tmp-current gnus-newsgroup-cached)
3006 (gnus-tmp-replied gnus-replied-mark)
3007 ((memq gnus-tmp-current gnus-newsgroup-forwarded)
3008 gnus-forwarded-mark)
3009 ((memq gnus-tmp-current gnus-newsgroup-saved)
3011 ((memq gnus-tmp-number gnus-newsgroup-recent)
3013 ((memq gnus-tmp-number gnus-newsgroup-unseen)
3016 (gnus-tmp-from (mail-header-from gnus-tmp-header))
3019 ((string-match "<[^>]+> *$" gnus-tmp-from)
3020 (let ((beg (match-beginning 0)))
3021 (or (and (string-match "^\".+\"" gnus-tmp-from)
3022 (substring gnus-tmp-from 1 (1- (match-end 0))))
3023 (substring gnus-tmp-from 0 beg))))
3024 ((string-match "(.+)" gnus-tmp-from)
3025 (substring gnus-tmp-from
3026 (1+ (match-beginning 0)) (1- (match-end 0))))
3028 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
3029 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
3030 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
3031 (buffer-read-only nil))
3032 (when (string= gnus-tmp-name "")
3033 (setq gnus-tmp-name gnus-tmp-from))
3034 (unless (numberp gnus-tmp-lines)
3035 (setq gnus-tmp-lines -1))
3036 (if (= gnus-tmp-lines -1)
3037 (setq gnus-tmp-lines "?")
3038 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
3039 (gnus-put-text-property
3041 (progn (eval gnus-summary-line-format-spec) (point))
3042 'gnus-number gnus-tmp-number)
3043 (when (gnus-visual-p 'summary-highlight 'highlight)
3045 (gnus-run-hooks 'gnus-summary-update-hook)
3048 (defun gnus-summary-update-line (&optional dont-update)
3049 "Update summary line after change."
3050 (when (and gnus-summary-default-score
3051 (not gnus-summary-inhibit-highlight))
3052 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
3053 (article (gnus-summary-article-number))
3054 (score (gnus-summary-article-score article)))
3056 (if (and gnus-summary-mark-below
3057 (< (gnus-summary-article-score)
3058 gnus-summary-mark-below))
3059 ;; This article has a low score, so we mark it as read.
3060 (when (memq article gnus-newsgroup-unreads)
3061 (gnus-summary-mark-article-as-read gnus-low-score-mark))
3062 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
3063 ;; This article was previously marked as read on account
3064 ;; of a low score, but now it has risen, so we mark it as
3066 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
3067 (gnus-summary-update-mark
3068 (if (or (null gnus-summary-default-score)
3069 (<= (abs (- score gnus-summary-default-score))
3070 gnus-summary-zcore-fuzz))
3072 (if (< score gnus-summary-default-score)
3073 gnus-score-below-mark gnus-score-over-mark))
3075 ;; Do visual highlighting.
3076 (when (gnus-visual-p 'summary-highlight 'highlight)
3077 (gnus-run-hooks 'gnus-summary-update-hook)))))
3079 (defvar gnus-tmp-new-adopts nil)
3081 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
3082 "Return the number of articles in THREAD.
3083 This may be 0 in some cases -- if none of the articles in
3084 the thread are to be displayed."
3086 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
3088 ((not (listp thread))
3090 ((and (consp thread) (cdr thread))
3093 'gnus-summary-number-of-articles-in-thread (cdr thread))))
3096 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
3099 (when (and level (zerop level) gnus-tmp-new-adopts)
3102 'gnus-summary-number-of-articles-in-thread
3103 gnus-tmp-new-adopts))))
3105 (if (> number 1) gnus-not-empty-thread-mark
3106 gnus-empty-thread-mark)
3109 (defun gnus-summary-set-local-parameters (group)
3110 "Go through the local params of GROUP and set all variable specs in that list."
3111 (let ((params (gnus-group-find-parameter group))
3112 (vars '(quit-config)) ; Ignore quit-config.
3115 (setq elem (car params)
3116 params (cdr params))
3117 (and (consp elem) ; Has to be a cons.
3118 (consp (cdr elem)) ; The cdr has to be a list.
3119 (symbolp (car elem)) ; Has to be a symbol in there.
3120 (not (memq (car elem) vars))
3121 (ignore-errors ; So we set it.
3122 (push (car elem) vars)
3123 (make-local-variable (car elem))
3124 (set (car elem) (eval (nth 1 elem))))))))
3126 (defun gnus-summary-read-group (group &optional show-all no-article
3127 kill-buffer no-display backward
3129 "Start reading news in newsgroup GROUP.
3130 If SHOW-ALL is non-nil, already read articles are also listed.
3131 If NO-ARTICLE is non-nil, no article is selected initially.
3132 If NO-DISPLAY, don't generate a summary buffer."
3136 (let ((gnus-auto-select-next nil))
3137 (or (gnus-summary-read-group-1
3138 group show-all no-article
3139 kill-buffer no-display
3142 select-articles nil)))))
3143 (eq gnus-auto-select-next 'quietly))
3144 (set-buffer gnus-group-buffer)
3145 ;; The entry function called above goes to the next
3146 ;; group automatically, so we go two groups back
3147 ;; if we are searching for the previous group.
3149 (gnus-group-prev-unread-group 2))
3150 (if (not (equal group (gnus-group-group-name)))
3151 (setq group (gnus-group-group-name))
3155 (defun gnus-summary-read-group-1 (group show-all no-article
3156 kill-buffer no-display
3157 &optional select-articles)
3158 ;; Killed foreign groups can't be entered.
3159 ;; (when (and (not (gnus-group-native-p group))
3160 ;; (not (gnus-gethash group gnus-newsrc-hashtb)))
3161 ;; (error "Dead non-native groups can't be entered"))
3162 (gnus-message 5 "Retrieving newsgroup: %s..."
3163 (gnus-group-decoded-name group))
3164 (let* ((new-group (gnus-summary-setup-buffer group))
3165 (quit-config (gnus-group-quit-config group))
3166 (did-select (and new-group (gnus-select-newsgroup
3167 group show-all select-articles))))
3169 ;; This summary buffer exists already, so we just select it.
3171 (gnus-set-global-variables)
3173 (gnus-kill-or-deaden-summary kill-buffer))
3174 (gnus-configure-windows 'summary 'force)
3175 (gnus-set-mode-line 'summary)
3176 (gnus-summary-position-point)
3179 ;; We couldn't select this group.
3181 (when (and (eq major-mode 'gnus-summary-mode)
3182 (not (equal (current-buffer) kill-buffer)))
3183 (kill-buffer (current-buffer))
3184 (if (not quit-config)
3186 ;; Update the info -- marks might need to be removed,
3188 (gnus-summary-update-info)
3189 (set-buffer gnus-group-buffer)
3190 (gnus-group-jump-to-group group)
3191 (gnus-group-next-unread-group 1))
3192 (gnus-handle-ephemeral-exit quit-config)))
3193 (let ((grpinfo (gnus-get-info group)))
3194 (if (null (gnus-info-read grpinfo))
3195 (gnus-message 3 "Group %s contains no messages"
3196 (gnus-group-decoded-name group))
3197 (gnus-message 3 "Can't select group")))
3199 ;; The user did a `C-g' while prompting for number of articles,
3200 ;; so we exit this group.
3201 ((eq did-select 'quit)
3202 (and (eq major-mode 'gnus-summary-mode)
3203 (not (equal (current-buffer) kill-buffer))
3204 (kill-buffer (current-buffer)))
3206 (gnus-kill-or-deaden-summary kill-buffer))
3207 (if (not quit-config)
3209 (set-buffer gnus-group-buffer)
3210 (gnus-group-jump-to-group group)
3211 (gnus-group-next-unread-group 1)
3212 (gnus-configure-windows 'group 'force))
3213 (gnus-handle-ephemeral-exit quit-config))
3214 ;; Finally signal the quit.
3216 ;; The group was successfully selected.
3218 (gnus-set-global-variables)
3219 ;; Save the active value in effect when the group was entered.
3220 (setq gnus-newsgroup-active
3222 (gnus-active gnus-newsgroup-name)))
3223 ;; You can change the summary buffer in some way with this hook.
3224 (gnus-run-hooks 'gnus-select-group-hook)
3225 (gnus-update-format-specifications
3226 nil 'summary 'summary-mode 'summary-dummy)
3227 (gnus-update-summary-mark-positions)
3228 ;; Do score processing.
3229 (when gnus-use-scoring
3230 (gnus-possibly-score-headers))
3231 ;; Check whether to fill in the gaps in the threads.
3232 (when gnus-build-sparse-threads
3233 (gnus-build-sparse-threads))
3234 ;; Find the initial limit.
3235 (if gnus-show-threads
3237 (let ((gnus-newsgroup-dormant nil))
3238 (gnus-summary-initial-limit show-all))
3239 (gnus-summary-initial-limit show-all))
3240 ;; When untreaded, all articles are always shown.
3241 (setq gnus-newsgroup-limit
3243 (lambda (header) (mail-header-number header))
3244 gnus-newsgroup-headers)))
3245 ;; Generate the summary buffer.
3247 (gnus-summary-prepare))
3248 (when gnus-use-trees
3249 (gnus-tree-open group)
3250 (setq gnus-summary-highlight-line-function
3251 'gnus-tree-highlight-article))
3252 ;; If the summary buffer is empty, but there are some low-scored
3253 ;; articles or some excluded dormants, we include these in the
3255 (when (and (zerop (buffer-size))
3257 (cond (gnus-newsgroup-dormant
3258 (gnus-summary-limit-include-dormant))
3259 ((and gnus-newsgroup-scored show-all)
3260 (gnus-summary-limit-include-expunged t))))
3261 ;; Function `gnus-apply-kill-file' must be called in this hook.
3262 (gnus-run-hooks 'gnus-apply-kill-hook)
3263 (if (and (zerop (buffer-size))
3266 ;; This newsgroup is empty.
3267 (gnus-summary-catchup-and-exit nil t)
3268 (gnus-message 6 "No unread news")
3270 (gnus-kill-or-deaden-summary kill-buffer))
3271 ;; Return nil from this function.
3273 ;; Hide conversation thread subtrees. We cannot do this in
3274 ;; gnus-summary-prepare-hook since kill processing may not
3275 ;; work with hidden articles.
3276 (gnus-summary-maybe-hide-threads)
3278 (gnus-kill-or-deaden-summary kill-buffer))
3279 (gnus-summary-auto-select-subject)
3280 ;; Show first unread article if requested.
3281 (if (and (not no-article)
3283 gnus-newsgroup-unreads
3284 gnus-auto-select-first)
3286 (gnus-configure-windows 'summary)
3287 (gnus-summary-goto-article (gnus-summary-article-number)))
3288 ;; Don't select any articles.
3289 (gnus-summary-position-point)
3290 (gnus-configure-windows 'summary 'force)
3291 (gnus-set-mode-line 'summary))
3292 (when (get-buffer-window gnus-group-buffer t)
3293 ;; Gotta use windows, because recenter does weird stuff if
3294 ;; the current buffer ain't the displayed window.
3295 (let ((owin (selected-window)))
3296 (select-window (get-buffer-window gnus-group-buffer t))
3297 (when (gnus-group-goto-group group)
3299 (select-window owin)))
3300 ;; Mark this buffer as "prepared".
3301 (setq gnus-newsgroup-prepared t)
3302 (gnus-run-hooks 'gnus-summary-prepared-hook)
3305 (defun gnus-summary-auto-select-subject ()
3306 "Select the subject line on initial group entry."
3307 (goto-char (point-min))
3309 ((eq gnus-auto-select-subject 'best)
3310 (gnus-summary-best-unread-subject))
3311 ((eq gnus-auto-select-subject 'unread)
3312 (gnus-summary-first-unread-subject))
3313 ((eq gnus-auto-select-subject 'unseen)
3314 (gnus-summary-first-unseen-subject))
3315 ((eq gnus-auto-select-subject 'first)
3318 ((gnus-functionp gnus-auto-select-subject)
3319 (funcall gnus-auto-select-subject))))
3321 (defun gnus-summary-prepare ()
3322 "Generate the summary buffer."
3324 (let ((buffer-read-only nil))
3326 (setq gnus-newsgroup-data nil
3327 gnus-newsgroup-data-reverse nil)
3328 (gnus-run-hooks 'gnus-summary-generate-hook)
3329 ;; Generate the buffer, either with threads or without.
3330 (when gnus-newsgroup-headers
3331 (gnus-summary-prepare-threads
3332 (if gnus-show-threads
3333 (gnus-sort-gathered-threads
3334 (funcall gnus-summary-thread-gathering-function
3336 (gnus-cut-threads (gnus-make-threads)))))
3337 ;; Unthreaded display.
3338 (gnus-sort-articles gnus-newsgroup-headers))))
3339 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
3340 ;; Call hooks for modifying summary buffer.
3341 (goto-char (point-min))
3342 (gnus-run-hooks 'gnus-summary-prepare-hook)))
3344 (defsubst gnus-general-simplify-subject (subject)
3345 "Simply subject by the same rules as gnus-gather-threads-by-subject."
3348 ;; Truncate the subject.
3349 (gnus-simplify-subject-functions
3350 (gnus-map-function gnus-simplify-subject-functions subject))
3351 ((numberp gnus-summary-gather-subject-limit)
3352 (setq subject (gnus-simplify-subject-re subject))
3353 (if (> (length subject) gnus-summary-gather-subject-limit)
3354 (substring subject 0 gnus-summary-gather-subject-limit)
3356 ;; Fuzzily simplify it.
3357 ((eq 'fuzzy gnus-summary-gather-subject-limit)
3358 (gnus-simplify-subject-fuzzy subject))
3359 ;; Just remove the leading "Re:".
3361 (gnus-simplify-subject-re subject))))
3363 (if (and gnus-summary-gather-exclude-subject
3364 (string-match gnus-summary-gather-exclude-subject subject))
3365 nil ; This article shouldn't be gathered
3368 (defun gnus-summary-simplify-subject-query ()
3369 "Query where the respool algorithm would put this article."
3371 (gnus-summary-select-article)
3372 (message (gnus-general-simplify-subject (gnus-summary-article-subject))))
3374 (defun gnus-gather-threads-by-subject (threads)
3375 "Gather threads by looking at Subject headers."
3376 (if (not gnus-summary-make-false-root)
3378 (let ((hashtb (gnus-make-hashtable 1024))
3381 subject hthread whole-subject)
3383 (setq subject (gnus-general-simplify-subject
3384 (setq whole-subject (mail-header-subject
3387 (if (setq hthread (gnus-gethash subject hashtb))
3389 ;; We enter a dummy root into the thread, if we
3390 ;; haven't done that already.
3391 (unless (stringp (caar hthread))
3392 (setcar hthread (list whole-subject (car hthread))))
3393 ;; We add this new gathered thread to this gathered
3395 (setcdr (car hthread)
3396 (nconc (cdar hthread) (list (car threads))))
3397 ;; Remove it from the list of threads.
3398 (setcdr prev (cdr threads))
3399 (setq threads prev))
3400 ;; Enter this thread into the hash table.
3401 (gnus-sethash subject threads hashtb)))
3403 (setq threads (cdr threads)))
3406 (defun gnus-gather-threads-by-references (threads)
3407 "Gather threads by looking at References headers."
3408 (let ((idhashtb (gnus-make-hashtable 1024))
3409 (thhashtb (gnus-make-hashtable 1024))
3412 ids references id gthread gid entered ref)
3414 (when (setq references (mail-header-references (caar threads)))
3415 (setq id (mail-header-id (caar threads))
3416 ids (gnus-split-references references)
3418 (while (setq ref (pop ids))
3419 (setq ids (delete ref ids))
3420 (if (not (setq gid (gnus-gethash ref idhashtb)))
3422 (gnus-sethash ref id idhashtb)
3423 (gnus-sethash id threads thhashtb))
3424 (setq gthread (gnus-gethash gid thhashtb))
3426 ;; We enter a dummy root into the thread, if we
3427 ;; haven't done that already.
3428 (unless (stringp (caar gthread))
3429 (setcar gthread (list (mail-header-subject (caar gthread))
3431 ;; We add this new gathered thread to this gathered
3433 (setcdr (car gthread)
3434 (nconc (cdar gthread) (list (car threads)))))
3435 ;; Add it into the thread hash table.
3436 (gnus-sethash id gthread thhashtb)
3438 ;; Remove it from the list of threads.
3439 (setcdr prev (cdr threads))
3440 (setq threads prev))))
3442 (setq threads (cdr threads)))
3445 (defun gnus-sort-gathered-threads (threads)
3446 "Sort subtreads inside each gathered thread by `gnus-sort-gathered-threads-function'."
3447 (let ((result threads))
3449 (when (stringp (caar threads))
3450 (setcdr (car threads)
3451 (sort (cdar threads) gnus-sort-gathered-threads-function)))
3452 (setq threads (cdr threads)))
3455 (defun gnus-thread-loop-p (root thread)
3456 "Say whether ROOT is in THREAD."
3457 (let ((stack (list thread))
3460 (while (setq thread (pop stack))
3461 (setq th (cdr thread))
3463 (not (eq (caar th) root)))
3466 ;; We have found a loop.
3468 (setcdr thread (delq (car th) (cdr thread)))
3469 (if (boundp (setq ref-dep (intern "none"
3470 gnus-newsgroup-dependencies)))
3471 (setcdr (symbol-value ref-dep)
3472 (nconc (cdr (symbol-value ref-dep))
3474 (set ref-dep (list nil (car th))))
3477 ;; Push all the subthreads onto the stack.
3478 (push (cdr thread) stack)))
3481 (defun gnus-make-threads ()
3482 "Go through the dependency hashtb and find the roots. Return all threads."
3484 (while (catch 'infloop
3487 ;; Deal with self-referencing References loops.
3488 (when (and (car (symbol-value refs))
3495 (car (symbol-value refs)) thread))
3496 (cdr (symbol-value refs)))))))
3499 (unless (car (symbol-value refs))
3500 ;; These threads do not refer back to any other articles,
3501 ;; so they're roots.
3502 (setq threads (append (cdr (symbol-value refs)) threads))))
3503 gnus-newsgroup-dependencies)))
3506 ;; Build the thread tree.
3507 (defsubst gnus-dependencies-add-header (header dependencies force-new)
3508 "Enter HEADER into the DEPENDENCIES table if it is not already there.
3510 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
3511 if it was already present.
3513 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
3514 will not be entered in the DEPENDENCIES table. Otherwise duplicate
3515 Message-IDs will be renamed be renamed to a unique Message-ID before
3518 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
3519 (let* ((id (mail-header-id header))
3520 (id-dep (and id (intern id dependencies)))
3521 ref ref-dep ref-header)
3522 ;; Enter this `header' in the `dependencies' table.
3526 ;; The first two cases do the normal part: enter a new `header'
3527 ;; in the `dependencies' table.
3528 ((not (boundp id-dep))
3529 (set id-dep (list header)))
3530 ((null (car (symbol-value id-dep)))
3531 (setcar (symbol-value id-dep) header))
3533 ;; From here the `header' was already present in the
3534 ;; `dependencies' table.
3536 ;; Overrides an existing entry;
3537 ;; just set the header part of the entry.
3538 (setcar (symbol-value id-dep) header))
3540 ;; Renames the existing `header' to a unique Message-ID.
3541 ((not gnus-summary-ignore-duplicates)
3542 ;; An article with this Message-ID has already been seen.
3543 ;; We rename the Message-ID.
3544 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
3546 (mail-header-set-id header id))
3548 ;; The last case ignores an existing entry, except it adds any
3549 ;; additional Xrefs (in case the two articles came from different
3551 ;; Also sets `header' to `nil' meaning that the `dependencies'
3552 ;; table was *not* modified.
3554 (mail-header-set-xref
3555 (car (symbol-value id-dep))
3556 (concat (or (mail-header-xref (car (symbol-value id-dep)))
3558 (or (mail-header-xref header) "")))
3562 ;; First check if that we are not creating a References loop.
3563 (setq ref (gnus-parent-id (mail-header-references header)))
3565 (setq ref-dep (intern-soft ref dependencies))
3567 (setq ref-header (car (symbol-value ref-dep))))
3568 (if (string= id ref)
3569 ;; Yuk! This is a reference loop. Make the article be a
3572 (mail-header-set-references (car (symbol-value id-dep)) "none")
3574 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
3575 (setq ref (gnus-parent-id (mail-header-references header)))
3576 (setq ref-dep (intern (or ref "none") dependencies))
3577 (if (boundp ref-dep)
3578 (setcdr (symbol-value ref-dep)
3579 (nconc (cdr (symbol-value ref-dep))
3580 (list (symbol-value id-dep))))
3581 (set ref-dep (list nil (symbol-value id-dep)))))
3584 (defun gnus-build-sparse-threads ()
3585 (let ((headers gnus-newsgroup-headers)
3586 (mail-parse-charset gnus-newsgroup-charset)
3587 (gnus-summary-ignore-duplicates t)
3588 header references generation relations
3589 subject child end new-child date)
3590 ;; First we create an alist of generations/relations, where
3591 ;; generations is how much we trust the relation, and the relation
3593 (gnus-message 7 "Making sparse threads...")
3595 (nnheader-set-temp-buffer " *gnus sparse threads*")
3596 (while (setq header (pop headers))
3597 (when (and (setq references (mail-header-references header))
3598 (not (string= references "")))
3600 (setq child (mail-header-id header)
3601 subject (mail-header-subject header)
3602 date (mail-header-date header)
3604 (while (search-backward ">" nil t)
3605 (setq end (1+ (point)))
3606 (when (search-backward "<" nil t)
3607 (setq new-child (buffer-substring (point) end))
3608 (push (list (incf generation)
3609 child (setq child new-child)
3613 (push (list (1+ generation) child nil subject) relations))
3615 (kill-buffer (current-buffer)))
3616 ;; Sort over trustworthiness.
3619 (when (gnus-dependencies-add-header
3620 (make-full-mail-header
3621 gnus-reffed-article-number
3622 (nth 3 relation) "" (or (nth 4 relation) "")
3624 (or (nth 2 relation) "") 0 0 "")
3625 gnus-newsgroup-dependencies nil)
3626 (push gnus-reffed-article-number gnus-newsgroup-limit)
3627 (push gnus-reffed-article-number gnus-newsgroup-sparse)
3628 (push (cons gnus-reffed-article-number gnus-sparse-mark)
3629 gnus-newsgroup-reads)
3630 (decf gnus-reffed-article-number)))
3631 (sort relations 'car-less-than-car))
3632 (gnus-message 7 "Making sparse threads...done")))
3634 (defun gnus-build-old-threads ()
3635 ;; Look at all the articles that refer back to old articles, and
3636 ;; fetch the headers for the articles that aren't there. This will
3637 ;; build complete threads - if the roots haven't been expired by the
3639 (let ((mail-parse-charset gnus-newsgroup-charset)
3643 (when (not (car (symbol-value refs)))
3644 (setq heads (cdr (symbol-value refs)))
3646 (if (memq (mail-header-number (caar heads))
3647 gnus-newsgroup-dormant)
3648 (setq heads (cdr heads))
3649 (setq id (symbol-name refs))
3650 (while (and (setq id (gnus-build-get-header id))
3651 (not (car (gnus-id-to-thread id)))))
3652 (setq heads nil)))))
3653 gnus-newsgroup-dependencies)))
3655 ;; This function has to be called with point after the article number
3656 ;; on the beginning of the line.
3657 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
3658 (let ((eol (gnus-point-at-eol))
3659 (buffer (current-buffer))
3662 ;; overview: [num subject from date id refs chars lines misc]
3665 (narrow-to-region (point) eol)
3670 (make-full-mail-header
3672 (funcall gnus-decode-encoded-word-function
3673 (nnheader-nov-field)) ; subject
3674 (funcall gnus-decode-encoded-word-function
3675 (nnheader-nov-field)) ; from
3676 (nnheader-nov-field) ; date
3677 (nnheader-nov-read-message-id) ; id
3678 (nnheader-nov-field) ; refs
3679 (nnheader-nov-read-integer) ; chars
3680 (nnheader-nov-read-integer) ; lines
3682 (if (looking-at "Xref: ")
3683 (goto-char (match-end 0)))
3684 (nnheader-nov-field)) ; Xref
3685 (nnheader-nov-parse-extra)))) ; extra
3689 (when gnus-alter-header-function
3690 (funcall gnus-alter-header-function header))
3691 (gnus-dependencies-add-header header dependencies force-new)))
3693 (defun gnus-build-get-header (id)
3694 "Look through the buffer of NOV lines and find the header to ID.
3695 Enter this line into the dependencies hash table, and return
3696 the id of the parent article (if any)."
3697 (let ((deps gnus-newsgroup-dependencies)
3701 (set-buffer nntp-server-buffer)
3702 (let ((case-fold-search nil))
3703 (goto-char (point-min))
3704 (while (and (not found)
3705 (search-forward id nil t))
3707 (setq found (looking-at
3708 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
3709 (regexp-quote id))))
3710 (or found (beginning-of-line 2)))
3714 (setq header (gnus-nov-parse-line
3715 (read (current-buffer)) deps))
3716 (gnus-parent-id (mail-header-references header))))))
3718 (let ((number (mail-header-number header)))
3719 (push number gnus-newsgroup-limit)
3720 (push header gnus-newsgroup-headers)
3721 (if (memq number gnus-newsgroup-unselected)
3723 (push number gnus-newsgroup-unreads)
3724 (setq gnus-newsgroup-unselected
3725 (delq number gnus-newsgroup-unselected)))
3726 (push number gnus-newsgroup-ancient)))))))
3728 (defun gnus-build-all-threads ()
3729 "Read all the headers."
3730 (let ((gnus-summary-ignore-duplicates t)
3731 (mail-parse-charset gnus-newsgroup-charset)
3732 (dependencies gnus-newsgroup-dependencies)
3735 (set-buffer nntp-server-buffer)
3736 (let ((case-fold-search nil))
3737 (goto-char (point-min))
3740 (setq article (read (current-buffer))
3741 header (gnus-nov-parse-line article dependencies)))
3744 (set-buffer gnus-summary-buffer)
3745 (push header gnus-newsgroup-headers)
3746 (if (memq (setq article (mail-header-number header))
3747 gnus-newsgroup-unselected)
3749 (push article gnus-newsgroup-unreads)
3750 (setq gnus-newsgroup-unselected
3751 (delq article gnus-newsgroup-unselected)))
3752 (push article gnus-newsgroup-ancient)))
3753 (forward-line 1)))))))
3755 (defun gnus-summary-update-article-line (article header)
3756 "Update the line for ARTICLE using HEADERS."
3757 (let* ((id (mail-header-id header))
3758 (thread (gnus-id-to-thread id)))
3760 (error "Article in no thread"))
3761 ;; Update the thread.
3762 (setcar thread header)
3763 (gnus-summary-goto-subject article)
3764 (let* ((datal (gnus-data-find-list article))
3766 (length (when (cdr datal)
3767 (- (gnus-data-pos data)
3768 (gnus-data-pos (cadr datal)))))
3769 (buffer-read-only nil)
3770 (level (gnus-summary-thread-level)))
3772 (gnus-summary-insert-line
3773 header level nil (gnus-article-mark article)
3774 (memq article gnus-newsgroup-replied)
3775 (memq article gnus-newsgroup-expirable)
3776 ;; Only insert the Subject string when it's different
3777 ;; from the previous Subject string.
3782 (mail-header-subject
3785 (gnus-data-find-list
3787 (gnus-data-list t)))))
3788 ;; Error on the side of excessive subjects.
3790 (mail-header-subject header)))
3792 (mail-header-subject header))
3793 nil (cdr (assq article gnus-newsgroup-scored))
3794 (memq article gnus-newsgroup-processable))
3796 (gnus-data-update-list
3797 (cdr datal) (- length (- (gnus-data-pos data) (point))))))))
3799 (defun gnus-summary-update-article (article &optional iheader)
3800 "Update ARTICLE in the summary buffer."
3801 (set-buffer gnus-summary-buffer)
3802 (let* ((header (gnus-summary-article-header article))
3803 (id (mail-header-id header))
3804 (data (gnus-data-find article))
3805 (thread (gnus-id-to-thread id))
3806 (references (mail-header-references header))
3810 (when (and references
3811 (not (equal "" references)))
3814 (buffer-read-only nil)
3820 (delq thread parent)))
3821 (if (gnus-summary-insert-subject id header)
3822 ;; Set the (possibly) new article number in the data structure.
3823 (gnus-data-set-number data (gnus-id-to-article id))
3827 (defun gnus-rebuild-thread (id &optional line)
3828 "Rebuild the thread containing ID.
3829 If LINE, insert the rebuilt thread starting on line LINE."
3830 (let ((buffer-read-only nil)
3831 old-pos current thread data)
3832 (if (not gnus-show-threads)
3833 (setq thread (list (car (gnus-id-to-thread id))))
3834 ;; Get the thread this article is part of.
3835 (setq thread (gnus-remove-thread id)))
3836 (setq old-pos (gnus-point-at-bol))
3837 (setq current (save-excursion
3838 (and (re-search-backward "[\r\n]" nil t)
3839 (gnus-summary-article-number))))
3840 ;; If this is a gathered thread, we have to go some re-gathering.
3841 (when (stringp (car thread))
3842 (let ((subject (car thread))
3844 (setq thread (cdr thread))
3846 (unless (memq (setq thr (gnus-id-to-thread
3848 (mail-header-id (caar thread)))))
3851 (setq thread (cdr thread)))
3852 ;; We now have all (unique) roots.
3853 (if (= (length roots) 1)
3854 ;; All the loose roots are now one solid root.
3855 (setq thread (car roots))
3856 (setq thread (cons subject (gnus-sort-threads roots))))))
3858 ;; We then insert this thread into the summary buffer.
3860 (goto-char (point-min))
3861 (forward-line (1- line)))
3862 (let (gnus-newsgroup-data gnus-newsgroup-threads)
3863 (if gnus-show-threads
3864 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
3865 (gnus-summary-prepare-unthreaded thread))
3866 (setq data (nreverse gnus-newsgroup-data))
3867 (setq threads gnus-newsgroup-threads))
3868 ;; We splice the new data into the data structure.
3869 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
3870 ;;!!! then we want to insert at the beginning of the buffer.
3871 ;;!!! That happens to be true with Gnus now, but that may
3872 ;;!!! change in the future. Perhaps.
3873 (gnus-data-enter-list
3874 (if line nil current) data (- (point) old-pos))
3875 (setq gnus-newsgroup-threads
3876 (nconc threads gnus-newsgroup-threads))
3877 (gnus-data-compute-positions))))
3879 (defun gnus-number-to-header (number)
3880 "Return the header for article NUMBER."
3881 (let ((headers gnus-newsgroup-headers))
3883 (not (= number (mail-header-number (car headers)))))
3888 (defun gnus-parent-headers (in-headers &optional generation)
3889 "Return the headers of the GENERATIONeth parent of HEADERS."
3891 (setq generation 1))
3893 (headers in-headers)
3896 (not (zerop generation))
3897 (setq references (mail-header-references headers)))
3898 (setq headers (if (and references
3899 (setq parent (gnus-parent-id references)))
3900 (car (gnus-id-to-thread parent))
3903 (and (not (eq headers in-headers))
3906 (defun gnus-id-to-thread (id)
3907 "Return the (sub-)thread where ID appears."
3908 (gnus-gethash id gnus-newsgroup-dependencies))
3910 (defun gnus-id-to-article (id)
3911 "Return the article number of ID."
3912 (let ((thread (gnus-id-to-thread id)))
3915 (mail-header-number (car thread)))))
3917 (defun gnus-id-to-header (id)
3918 "Return the article headers of ID."
3919 (car (gnus-id-to-thread id)))
3921 (defun gnus-article-displayed-root-p (article)
3922 "Say whether ARTICLE is a root(ish) article."
3923 (let ((level (gnus-summary-thread-level article))
3924 (refs (mail-header-references (gnus-summary-article-header article)))
3930 ((null (gnus-parent-id refs)) t)
3932 (null (setq particle (gnus-id-to-article
3933 (gnus-parent-id refs))))
3934 (null (gnus-summary-thread-level particle)))))))
3936 (defun gnus-root-id (id)
3937 "Return the id of the root of the thread where ID appears."
3939 (while (and id (setq prev (car (gnus-id-to-thread id))))
3941 id (gnus-parent-id (mail-header-references prev))))
3944 (defun gnus-articles-in-thread (thread)
3945 "Return the list of articles in THREAD."
3946 (cons (mail-header-number (car thread))
3947 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
3949 (defun gnus-remove-thread (id &optional dont-remove)
3950 "Remove the thread that has ID in it."
3951 (let (headers thread last-id)
3952 ;; First go up in this thread until we find the root.
3953 (setq last-id (gnus-root-id id)
3954 headers (message-flatten-list (gnus-id-to-thread last-id)))
3955 ;; We have now found the real root of this thread. It might have
3956 ;; been gathered into some loose thread, so we have to search
3957 ;; through the threads to find the thread we wanted.
3958 (let ((threads gnus-newsgroup-threads)
3961 (setq sub (car threads))
3962 (if (stringp (car sub))
3963 ;; This is a gathered thread, so we look at the roots
3964 ;; below it to find whether this article is in this
3967 (setq sub (cdr sub))
3969 (when (member (caar sub) headers)
3970 (setq thread (car threads)
3973 (setq sub (cdr sub))))
3974 ;; It's an ordinary thread, so we check it.
3975 (when (eq (car sub) (car headers))
3978 (setq threads (cdr threads)))
3979 ;; If this article is in no thread, then it's a root.
3982 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
3983 (setq thread (gnus-id-to-thread last-id)))
3986 thread ; We return this thread.
3988 (if (stringp (car thread))
3990 ;; If we use dummy roots, then we have to remove the
3991 ;; dummy root as well.
3992 (when (eq gnus-summary-make-false-root 'dummy)
3993 ;; We go to the dummy root by going to
3994 ;; the first sub-"thread", and then one line up.
3995 (gnus-summary-goto-article
3996 (mail-header-number (caadr thread)))
3999 (gnus-data-compute-positions))
4000 (setq thread (cdr thread))
4002 (gnus-remove-thread-1 (car thread))
4003 (setq thread (cdr thread))))
4004 (gnus-remove-thread-1 thread))))))))
4006 (defun gnus-remove-thread-1 (thread)
4007 "Remove the thread THREAD recursively."
4008 (let ((number (mail-header-number (pop thread)))
4010 (setq thread (reverse thread))
4012 (gnus-remove-thread-1 (pop thread)))
4013 (when (setq d (gnus-data-find number))
4014 (goto-char (gnus-data-pos d))
4015 (gnus-summary-show-thread)
4018 (- (gnus-point-at-bol)
4020 (1+ (gnus-point-at-eol))
4021 (gnus-delete-line)))))))
4023 (defun gnus-sort-threads-1 (threads func)
4024 (sort (mapcar (lambda (thread)
4027 (gnus-sort-threads-1 (cdr thread) func))))
4030 (defun gnus-sort-threads (threads)
4032 (if (not gnus-thread-sort-functions)
4034 (gnus-message 8 "Sorting threads...")
4036 (gnus-sort-threads-1
4038 (gnus-make-sort-function gnus-thread-sort-functions))
4039 (gnus-message 8 "Sorting threads...done"))))
4041 (defun gnus-sort-articles (articles)
4043 (when gnus-article-sort-functions
4044 (gnus-message 7 "Sorting articles...")
4046 (setq gnus-newsgroup-headers
4047 (sort articles (gnus-make-sort-function
4048 gnus-article-sort-functions)))
4049 (gnus-message 7 "Sorting articles...done"))))
4051 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
4052 (defmacro gnus-thread-header (thread)
4053 "Return header of first article in THREAD.
4054 Note that THREAD must never, ever be anything else than a variable -
4055 using some other form will lead to serious barfage."
4056 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
4057 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
4058 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207"
4061 (defsubst gnus-article-sort-by-number (h1 h2)
4062 "Sort articles by article number."
4063 (< (mail-header-number h1)
4064 (mail-header-number h2)))
4066 (defun gnus-thread-sort-by-number (h1 h2)
4067 "Sort threads by root article number."
4068 (gnus-article-sort-by-number
4069 (gnus-thread-header h1) (gnus-thread-header h2)))
4071 (defsubst gnus-article-sort-by-lines (h1 h2)
4072 "Sort articles by article Lines header."
4073 (< (mail-header-lines h1)
4074 (mail-header-lines h2)))
4076 (defun gnus-thread-sort-by-lines (h1 h2)
4077 "Sort threads by root article Lines header."
4078 (gnus-article-sort-by-lines
4079 (gnus-thread-header h1) (gnus-thread-header h2)))
4081 (defsubst gnus-article-sort-by-chars (h1 h2)
4082 "Sort articles by octet length."
4083 (< (mail-header-chars h1)
4084 (mail-header-chars h2)))
4086 (defun gnus-thread-sort-by-chars (h1 h2)
4087 "Sort threads by root article octet length."
4088 (gnus-article-sort-by-chars
4089 (gnus-thread-header h1) (gnus-thread-header h2)))
4091 (defsubst gnus-article-sort-by-author (h1 h2)
4092 "Sort articles by root author."
4094 (let ((extract (funcall
4095 gnus-extract-address-components
4096 (mail-header-from h1))))
4097 (or (car extract) (cadr extract) ""))
4098 (let ((extract (funcall
4099 gnus-extract-address-components
4100 (mail-header-from h2))))
4101 (or (car extract) (cadr extract) ""))))
4103 (defun gnus-thread-sort-by-author (h1 h2)
4104 "Sort threads by root author."
4105 (gnus-article-sort-by-author
4106 (gnus-thread-header h1) (gnus-thread-header h2)))
4108 (defsubst gnus-article-sort-by-subject (h1 h2)
4109 "Sort articles by root subject."
4111 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
4112 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
4114 (defun gnus-thread-sort-by-subject (h1 h2)
4115 "Sort threads by root subject."
4116 (gnus-article-sort-by-subject
4117 (gnus-thread-header h1) (gnus-thread-header h2)))
4119 (defsubst gnus-article-sort-by-date (h1 h2)
4120 "Sort articles by root article date."
4122 (gnus-date-get-time (mail-header-date h1))
4123 (gnus-date-get-time (mail-header-date h2))))
4125 (defun gnus-thread-sort-by-date (h1 h2)
4126 "Sort threads by root article date."
4127 (gnus-article-sort-by-date
4128 (gnus-thread-header h1) (gnus-thread-header h2)))
4130 (defsubst gnus-article-sort-by-score (h1 h2)
4131 "Sort articles by root article score.
4132 Unscored articles will be counted as having a score of zero."
4133 (> (or (cdr (assq (mail-header-number h1)
4134 gnus-newsgroup-scored))
4135 gnus-summary-default-score 0)
4136 (or (cdr (assq (mail-header-number h2)
4137 gnus-newsgroup-scored))
4138 gnus-summary-default-score 0)))
4140 (defun gnus-thread-sort-by-score (h1 h2)
4141 "Sort threads by root article score."
4142 (gnus-article-sort-by-score
4143 (gnus-thread-header h1) (gnus-thread-header h2)))
4145 (defun gnus-thread-sort-by-total-score (h1 h2)
4146 "Sort threads by the sum of all scores in the thread.
4147 Unscored articles will be counted as having a score of zero."
4148 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
4150 (defun gnus-thread-total-score (thread)
4151 ;; This function find the total score of THREAD.
4152 (cond ((null thread)
4155 (if (stringp (car thread))
4156 (apply gnus-thread-score-function 0
4157 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
4158 (gnus-thread-total-score-1 thread)))
4160 (gnus-thread-total-score-1 (list thread)))))
4162 (defun gnus-thread-total-score-1 (root)
4163 ;; This function find the total score of the thread below ROOT.
4164 (setq root (car root))
4165 (apply gnus-thread-score-function
4167 (mapcar 'gnus-thread-total-score
4168 (cdr (gnus-id-to-thread (mail-header-id root))))
4169 (when (> (mail-header-number root) 0)
4170 (list (or (cdr (assq (mail-header-number root)
4171 gnus-newsgroup-scored))
4172 gnus-summary-default-score 0))))
4173 (list gnus-summary-default-score)
4176 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
4177 (defvar gnus-tmp-prev-subject nil)
4178 (defvar gnus-tmp-false-parent nil)
4179 (defvar gnus-tmp-root-expunged nil)
4180 (defvar gnus-tmp-dummy-line nil)
4182 (eval-when-compile (defvar gnus-tmp-header))
4183 (defun gnus-extra-header (type &optional header)
4184 "Return the extra header of TYPE."
4185 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
4188 (defvar gnus-tmp-thread-tree-header-string "")
4190 (defvar gnus-sum-thread-tree-root "> "
4191 "With %B spec, used for the root of a thread.
4192 If nil, use subject instead.")
4193 (defvar gnus-sum-thread-tree-single-indent ""
4194 "With %B spec, used for a thread with just one message.
4195 If nil, use subject instead.")
4196 (defvar gnus-sum-thread-tree-vertical "| "
4197 "With %B spec, used for drawing a vertical line.")
4198 (defvar gnus-sum-thread-tree-indent " "
4199 "With %B spec, used for indenting.")
4200 (defvar gnus-sum-thread-tree-leaf-with-other "+-> "
4201 "With %B spec, used for a leaf with brothers.")
4202 (defvar gnus-sum-thread-tree-single-leaf "\\-> "
4203 "With %B spec, used for a leaf without brothers.")
4205 (defun gnus-summary-prepare-threads (threads)
4206 "Prepare summary buffer from THREADS and indentation LEVEL.
4207 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
4208 or a straight list of headers."
4209 (gnus-message 7 "Generating summary...")
4211 (setq gnus-newsgroup-threads threads)
4214 (let ((gnus-tmp-level 0)
4215 (default-score (or gnus-summary-default-score 0))
4216 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
4217 thread number subject stack state gnus-tmp-gathered beg-match
4218 new-roots gnus-tmp-new-adopts thread-end
4219 gnus-tmp-header gnus-tmp-unread
4220 gnus-tmp-replied gnus-tmp-subject-or-nil
4221 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
4222 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
4223 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket
4226 (setq gnus-tmp-prev-subject nil)
4228 (if (vectorp (car threads))
4229 ;; If this is a straight (sic) list of headers, then a
4230 ;; threaded summary display isn't required, so we just create
4231 ;; an unthreaded one.
4232 (gnus-summary-prepare-unthreaded threads)
4234 ;; Do the threaded display.
4236 (while (or threads stack gnus-tmp-new-adopts new-roots)
4238 (if (and (= gnus-tmp-level 0)
4241 (not gnus-tmp-false-parent)
4242 (or gnus-tmp-new-adopts new-roots))
4243 (if gnus-tmp-new-adopts
4244 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
4245 thread (list (car gnus-tmp-new-adopts))
4246 gnus-tmp-header (caar thread)
4247 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
4249 (setq thread (list (car new-roots))
4250 gnus-tmp-header (caar thread)
4251 new-roots (cdr new-roots))))
4254 ;; If there are some threads, we do them before the
4255 ;; threads on the stack.
4256 (setq thread threads
4257 gnus-tmp-header (caar thread))
4258 ;; There were no current threads, so we pop something off
4260 (setq state (car stack)
4261 gnus-tmp-level (car state)
4262 tree-stack (cadr state)
4263 thread (caddr state)
4265 gnus-tmp-header (caar thread))))
4267 (setq gnus-tmp-false-parent nil)
4268 (setq gnus-tmp-root-expunged nil)
4269 (setq thread-end nil)
4271 (if (stringp gnus-tmp-header)
4272 ;; The header is a dummy root.
4274 ((eq gnus-summary-make-false-root 'adopt)
4275 ;; We let the first article adopt the rest.
4276 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
4278 (setq gnus-tmp-gathered
4280 (lambda (h) (mail-header-number (car h)))
4283 (setq thread (cons (list (caar thread)
4286 (setq gnus-tmp-level -1
4287 gnus-tmp-false-parent t))
4288 ((eq gnus-summary-make-false-root 'empty)
4289 ;; We print adopted articles with empty subject fields.
4290 (setq gnus-tmp-gathered
4292 (lambda (h) (mail-header-number (car h)))
4295 (setq gnus-tmp-level -1))
4296 ((eq gnus-summary-make-false-root 'dummy)
4297 ;; We remember that we probably want to output a dummy
4299 (setq gnus-tmp-dummy-line gnus-tmp-header)
4300 (setq gnus-tmp-prev-subject gnus-tmp-header))
4302 ;; We do not make a root for the gathered
4303 ;; sub-threads at all.
4304 (setq gnus-tmp-level -1)))
4306 (setq number (mail-header-number gnus-tmp-header)
4307 subject (mail-header-subject gnus-tmp-header))
4310 ;; If the thread has changed subject, we might want to make
4311 ;; this subthread into a root.
4312 ((and (null gnus-thread-ignore-subject)
4313 (not (zerop gnus-tmp-level))
4314 gnus-tmp-prev-subject
4316 (gnus-subject-equal gnus-tmp-prev-subject subject))))
4317 (setq new-roots (nconc new-roots (list (car thread)))
4319 gnus-tmp-header nil))
4320 ;; If the article lies outside the current limit,
4321 ;; then we do not display it.
4322 ((not (memq number gnus-newsgroup-limit))
4323 (setq gnus-tmp-gathered
4325 (lambda (h) (mail-header-number (car h)))
4328 (setq gnus-tmp-new-adopts (if (cdar thread)
4329 (append gnus-tmp-new-adopts
4331 gnus-tmp-new-adopts)
4333 gnus-tmp-header nil)
4334 (when (zerop gnus-tmp-level)
4335 (setq gnus-tmp-root-expunged t)))
4336 ;; Perhaps this article is to be marked as read?
4337 ((and gnus-summary-mark-below
4338 (< (or (cdr (assq number gnus-newsgroup-scored))
4340 gnus-summary-mark-below)
4341 ;; Don't touch sparse articles.
4342 (not (gnus-summary-article-sparse-p number))
4343 (not (gnus-summary-article-ancient-p number)))
4344 (setq gnus-newsgroup-unreads
4345 (delq number gnus-newsgroup-unreads))
4346 (if gnus-newsgroup-auto-expire
4347 (push number gnus-newsgroup-expirable)
4348 (push (cons number gnus-low-score-mark)
4349 gnus-newsgroup-reads))))
4351 (when gnus-tmp-header
4352 ;; We may have an old dummy line to output before this
4354 (when (and gnus-tmp-dummy-line
4357 (mail-header-subject gnus-tmp-header)))
4358 (gnus-summary-insert-dummy-line
4359 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
4360 (setq gnus-tmp-dummy-line nil))
4362 ;; Compute the mark.
4363 (setq gnus-tmp-unread (gnus-article-mark number))
4365 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
4366 gnus-tmp-header gnus-tmp-level)
4367 gnus-newsgroup-data)
4369 ;; Actually insert the line.
4371 gnus-tmp-subject-or-nil
4373 ((and gnus-thread-ignore-subject
4374 gnus-tmp-prev-subject
4375 (not (inline (gnus-subject-equal
4376 gnus-tmp-prev-subject subject))))
4378 ((zerop gnus-tmp-level)
4379 (if (and (eq gnus-summary-make-false-root 'empty)
4380 (memq number gnus-tmp-gathered)
4381 gnus-tmp-prev-subject
4382 (inline (gnus-subject-equal
4383 gnus-tmp-prev-subject subject)))
4384 gnus-summary-same-subject
4386 (t gnus-summary-same-subject)))
4387 (if (and (eq gnus-summary-make-false-root 'adopt)
4388 (= gnus-tmp-level 1)
4389 (memq number gnus-tmp-gathered))
4390 (setq gnus-tmp-opening-bracket ?\<
4391 gnus-tmp-closing-bracket ?\>)
4392 (setq gnus-tmp-opening-bracket ?\[
4393 gnus-tmp-closing-bracket ?\]))
4395 gnus-tmp-indentation
4396 (aref gnus-thread-indent-array gnus-tmp-level)
4397 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
4398 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
4399 gnus-summary-default-score 0)
4401 (if (or (null gnus-summary-default-score)
4402 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
4403 gnus-summary-zcore-fuzz))
4405 (if (< gnus-tmp-score gnus-summary-default-score)
4406 gnus-score-below-mark gnus-score-over-mark))
4408 (cond ((memq number gnus-newsgroup-processable)
4410 ((memq number gnus-newsgroup-cached)
4412 ((memq number gnus-newsgroup-replied)
4414 ((memq number gnus-newsgroup-forwarded)
4415 gnus-forwarded-mark)
4416 ((memq number gnus-newsgroup-saved)
4418 ((memq number gnus-newsgroup-recent)
4420 ((memq number gnus-newsgroup-unseen)
4423 gnus-tmp-from (mail-header-from gnus-tmp-header)
4426 ((string-match "<[^>]+> *$" gnus-tmp-from)
4427 (setq beg-match (match-beginning 0))
4428 (or (and (string-match "^\".+\"" gnus-tmp-from)
4429 (substring gnus-tmp-from 1 (1- (match-end 0))))
4430 (substring gnus-tmp-from 0 beg-match)))
4431 ((string-match "(.+)" gnus-tmp-from)
4432 (substring gnus-tmp-from
4433 (1+ (match-beginning 0)) (1- (match-end 0))))
4435 gnus-tmp-thread-tree-header-string
4437 ((not gnus-show-threads) "")
4438 ((zerop gnus-tmp-level)
4440 (or gnus-sum-thread-tree-root subject)
4441 (or gnus-sum-thread-tree-single-indent subject)))
4443 (concat (apply 'concat
4444 (mapcar (lambda (item)
4446 gnus-sum-thread-tree-vertical
4447 gnus-sum-thread-tree-indent))
4448 (cdr (reverse tree-stack))))
4450 gnus-sum-thread-tree-leaf-with-other
4451 gnus-sum-thread-tree-single-leaf)))))
4452 (when (string= gnus-tmp-name "")
4453 (setq gnus-tmp-name gnus-tmp-from))
4454 (unless (numberp gnus-tmp-lines)
4455 (setq gnus-tmp-lines -1))
4456 (if (= gnus-tmp-lines -1)
4457 (setq gnus-tmp-lines "?")
4458 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
4459 (gnus-put-text-property
4461 (progn (eval gnus-summary-line-format-spec) (point))
4462 'gnus-number number)
4465 (gnus-run-hooks 'gnus-summary-update-hook)
4468 (setq gnus-tmp-prev-subject subject)))
4470 (when (nth 1 thread)
4471 (push (list (max 0 gnus-tmp-level)
4472 (copy-list tree-stack)
4475 (push (if (nth 1 thread) 1 0) tree-stack)
4476 (incf gnus-tmp-level)
4477 (setq threads (if thread-end nil (cdar thread)))
4479 (setq gnus-tmp-level 0)))))
4480 (gnus-message 7 "Generating summary...done"))
4482 (defun gnus-summary-prepare-unthreaded (headers)
4483 "Generate an unthreaded summary buffer based on HEADERS."
4484 (let (header number mark)
4489 ;; We may have to root out some bad articles...
4490 (when (memq (setq number (mail-header-number
4491 (setq header (pop headers))))
4492 gnus-newsgroup-limit)
4493 ;; Mark article as read when it has a low score.
4494 (when (and gnus-summary-mark-below
4495 (< (or (cdr (assq number gnus-newsgroup-scored))
4496 gnus-summary-default-score 0)
4497 gnus-summary-mark-below)
4498 (not (gnus-summary-article-ancient-p number)))
4499 (setq gnus-newsgroup-unreads
4500 (delq number gnus-newsgroup-unreads))
4501 (if gnus-newsgroup-auto-expire
4502 (push number gnus-newsgroup-expirable)
4503 (push (cons number gnus-low-score-mark)
4504 gnus-newsgroup-reads)))
4506 (setq mark (gnus-article-mark number))
4507 (push (gnus-data-make number mark (1+ (point)) header 0)
4508 gnus-newsgroup-data)
4509 (gnus-summary-insert-line
4511 mark (memq number gnus-newsgroup-replied)
4512 (memq number gnus-newsgroup-expirable)
4513 (mail-header-subject header) nil
4514 (cdr (assq number gnus-newsgroup-scored))
4515 (memq number gnus-newsgroup-processable))))))
4517 (defun gnus-summary-remove-list-identifiers ()
4518 "Remove list identifiers in `gnus-list-identifiers' from articles in the current group."
4519 (let ((regexp (if (consp gnus-list-identifiers)
4520 (mapconcat 'identity gnus-list-identifiers " *\\|")
4521 gnus-list-identifiers))
4524 (dolist (header gnus-newsgroup-headers)
4525 (setq subject (mail-header-subject header)
4527 (while (string-match
4528 (concat "^\\(R[Ee]: +\\)*\\(" regexp " *\\)")
4531 (concat (substring subject 0 (match-beginning 2))
4532 (substring subject (match-end 0)))
4536 "^\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" subject))
4538 (concat (substring subject 0 (match-beginning 1))
4539 (substring subject (match-end 1)))))
4541 (mail-header-set-subject header subject))))))
4543 (defun gnus-fetch-headers (articles)
4544 "Fetch headers of ARTICLES."
4545 (let ((name (gnus-group-decoded-name gnus-newsgroup-name)))
4546 (gnus-message 5 "Fetching headers for %s..." name)
4549 (setq gnus-headers-retrieved-by
4550 (gnus-retrieve-headers
4551 articles gnus-newsgroup-name
4552 ;; We might want to fetch old headers, but
4553 ;; not if there is only 1 article.
4555 (not (eq gnus-fetch-old-headers 'some))
4556 (not (numberp gnus-fetch-old-headers)))
4557 (> (length articles) 1))
4558 gnus-fetch-old-headers))))
4559 (gnus-get-newsgroup-headers-xover
4560 articles nil nil gnus-newsgroup-name t)
4561 (gnus-get-newsgroup-headers))
4562 (gnus-message 5 "Fetching headers for %s...done" name))))
4564 (defun gnus-select-newsgroup (group &optional read-all select-articles)
4565 "Select newsgroup GROUP.
4566 If READ-ALL is non-nil, all articles in the group are selected.
4567 If SELECT-ARTICLES, only select those articles from GROUP."
4568 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
4569 ;;!!! Dirty hack; should be removed.
4570 (gnus-summary-ignore-duplicates
4571 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
4573 gnus-summary-ignore-duplicates))
4574 (info (nth 2 entry))
4575 articles fetched-articles cached)
4577 (unless (gnus-check-server
4578 (set (make-local-variable 'gnus-current-select-method)
4579 (gnus-find-method-for-group group)))
4580 (error "Couldn't open server"))
4582 (or (and entry (not (eq (car entry) t))) ; Either it's active...
4583 (gnus-activate-group group) ; Or we can activate it...
4584 (progn ; Or we bug out.
4585 (when (equal major-mode 'gnus-summary-mode)
4586 (kill-buffer (current-buffer)))
4587 (error "Couldn't activate group %s: %s"
4588 group (gnus-status-message group))))
4590 (unless (gnus-request-group group t)
4591 (when (equal major-mode 'gnus-summary-mode)
4592 (kill-buffer (current-buffer)))
4593 (error "Couldn't request group %s: %s"
4594 group (gnus-status-message group)))
4596 (setq gnus-newsgroup-name group
4597 gnus-newsgroup-unselected nil
4598 gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
4600 (let ((display (gnus-group-find-parameter group 'display)))
4601 (setq gnus-newsgroup-display
4603 ((not (zerop (or (car-safe read-all) 0)))
4604 ;; The user entered the group with C-u SPC/RET, let's show
4610 (gnus-summary-display-make-predicate (mapcar 'identity display)))
4612 ;; The following is probably the "correct" solution, but
4613 ;; it makes Gnus fetch all headers and then limit the
4614 ;; articles (which is slow), so instead we hack the
4615 ;; select-articles parameter instead. -- Simon Josefsson
4618 ;; (gnus-byte-compile
4619 ;; `(lambda () (> number ,(- (cdr (gnus-active group))
4621 (setq select-articles
4622 (gnus-uncompress-range
4623 (cons (let ((tmp (- (cdr (gnus-active group)) display)))
4627 (cdr (gnus-active group)))))
4632 (gnus-summary-setup-default-charset)
4634 ;; Kludge to avoid having cached articles nixed out in virtual groups.
4635 (when (gnus-virtual-group-p group)
4636 (setq cached gnus-newsgroup-cached))
4638 (setq gnus-newsgroup-unreads
4639 (gnus-set-difference
4640 (gnus-set-difference gnus-newsgroup-unreads gnus-newsgroup-marked)
4641 gnus-newsgroup-dormant))
4643 (setq gnus-newsgroup-processable nil)
4645 (gnus-update-read-articles group gnus-newsgroup-unreads)
4647 ;; Adjust and set lists of article marks.
4649 (gnus-adjust-marked-articles info))
4651 (if (setq articles select-articles)
4652 (setq gnus-newsgroup-unselected
4653 (gnus-sorted-intersection
4654 gnus-newsgroup-unreads
4655 (gnus-sorted-complement gnus-newsgroup-unreads articles)))
4656 (setq articles (gnus-articles-to-read group read-all)))
4660 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
4662 ((eq articles 0) nil)
4664 ;; Init the dependencies hash table.
4665 (setq gnus-newsgroup-dependencies
4666 (gnus-make-hashtable (length articles)))
4667 (gnus-set-global-variables)
4668 ;; Retrieve the headers and read them in.
4669 (setq gnus-newsgroup-headers (gnus-fetch-headers articles))
4671 ;; Kludge to avoid having cached articles nixed out in virtual groups.
4673 (setq gnus-newsgroup-cached cached))
4675 ;; Suppress duplicates?
4676 (when gnus-suppress-duplicates
4677 (gnus-dup-suppress-articles))
4679 ;; Set the initial limit.
4680 (setq gnus-newsgroup-limit (copy-sequence articles))
4681 ;; Remove canceled articles from the list of unread articles.
4682 (setq fetched-articles
4683 (mapcar (lambda (headers) (mail-header-number headers))
4684 gnus-newsgroup-headers))
4685 (setq gnus-newsgroup-articles fetched-articles)
4686 (setq gnus-newsgroup-unreads
4687 (gnus-set-sorted-intersection
4688 gnus-newsgroup-unreads fetched-articles))
4690 ;; The `seen' marks are treated specially.
4691 (if (not gnus-newsgroup-seen)
4692 (setq gnus-newsgroup-unseen gnus-newsgroup-articles)
4693 (dolist (article gnus-newsgroup-articles)
4694 (unless (gnus-member-of-range article gnus-newsgroup-seen)
4695 (push article gnus-newsgroup-unseen)))
4696 (setq gnus-newsgroup-unseen (nreverse gnus-newsgroup-unseen)))
4698 ;; Removed marked articles that do not exist.
4699 (gnus-update-missing-marks
4700 (gnus-sorted-complement fetched-articles articles))
4701 ;; We might want to build some more threads first.
4702 (when (and gnus-fetch-old-headers
4703 (eq gnus-headers-retrieved-by 'nov))
4704 (if (eq gnus-fetch-old-headers 'invisible)
4705 (gnus-build-all-threads)
4706 (gnus-build-old-threads)))
4707 ;; Let the Gnus agent mark articles as read.
4709 (gnus-agent-get-undownloaded-list))
4710 ;; Remove list identifiers from subject
4711 (when gnus-list-identifiers
4712 (gnus-summary-remove-list-identifiers))
4713 ;; Check whether auto-expire is to be done in this group.
4714 (setq gnus-newsgroup-auto-expire
4715 (gnus-group-auto-expirable-p group))
4716 ;; Set up the article buffer now, if necessary.
4717 (unless gnus-single-article-buffer
4718 (gnus-article-setup-buffer))
4719 ;; First and last article in this newsgroup.
4720 (when gnus-newsgroup-headers
4721 (setq gnus-newsgroup-begin
4722 (mail-header-number (car gnus-newsgroup-headers))
4725 (gnus-last-element gnus-newsgroup-headers))))
4726 ;; GROUP is successfully selected.
4727 (or gnus-newsgroup-headers t)))))
4729 (defun gnus-summary-display-make-predicate (display)
4730 (require 'gnus-agent)
4731 (when (= (length display) 1)
4732 (setq display (car display)))
4733 (unless gnus-summary-display-cache
4734 (dolist (elem (append (list (cons 'read 'read)
4735 (cons 'unseen 'unseen))
4736 gnus-article-mark-lists))
4737 (push (cons (cdr elem)
4739 `(lambda () (gnus-article-marked-p ',(cdr elem)))))
4740 gnus-summary-display-cache)))
4741 (let ((gnus-category-predicate-alist gnus-summary-display-cache))
4742 (gnus-get-predicate display)))
4744 ;; Uses the dynamically bound `number' variable.
4746 (defun gnus-article-marked-p (type &optional article)
4747 (let ((article (or article number)))
4750 (memq article gnus-newsgroup-marked))
4752 (memq article gnus-newsgroup-unsendable))
4753 ((eq type 'undownload)
4754 (memq article gnus-newsgroup-undownloaded))
4755 ((eq type 'download)
4756 (memq article gnus-newsgroup-downloadable))
4758 (memq article gnus-newsgroup-unreads))
4760 (memq article gnus-newsgroup-reads))
4762 (memq article gnus-newsgroup-dormant) )
4764 (memq article gnus-newsgroup-expirable))
4766 (memq article gnus-newsgroup-replied))
4768 (memq article gnus-newsgroup-killed))
4769 ((eq type 'bookmark)
4770 (assq article gnus-newsgroup-bookmarks))
4772 (assq article gnus-newsgroup-scored))
4774 (memq article gnus-newsgroup-saved))
4776 (memq article gnus-newsgroup-cached))
4778 (memq article gnus-newsgroup-forwarded))
4780 (not (memq article gnus-newsgroup-unseen)))
4782 (memq article gnus-newsgroup-recent))
4785 (defun gnus-articles-to-read (group &optional read-all)
4786 "Find out what articles the user wants to read."
4788 ;; Select all articles if `read-all' is non-nil, or if there
4789 ;; are no unread articles.
4791 (and (zerop (length gnus-newsgroup-marked))
4792 (zerop (length gnus-newsgroup-unreads)))
4793 (eq gnus-newsgroup-display 'gnus-not-ignore))
4794 ;; We want to select the headers for all the articles in
4795 ;; the group, so we select either all the active
4796 ;; articles in the group, or (if that's nil), the
4797 ;; articles in the cache.
4799 (gnus-uncompress-range (gnus-active group))
4800 (gnus-cache-articles-in-group group))
4801 ;; Select only the "normal" subset of articles.
4802 (sort (append gnus-newsgroup-dormant gnus-newsgroup-marked
4803 (copy-sequence gnus-newsgroup-unreads))
4805 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
4806 (scored (length scored-list))
4807 (number (length articles))
4808 (marked (+ (length gnus-newsgroup-marked)
4809 (length gnus-newsgroup-dormant)))
4817 ((and (or (<= scored marked) (= scored number))
4818 (numberp gnus-large-newsgroup)
4819 (> number gnus-large-newsgroup))
4823 "How many articles from %s (default %d): "
4825 (gnus-group-decoded-name gnus-newsgroup-name)
4828 (if (string-match "^[ \t]*$" input) number input)))
4829 ((and (> scored marked) (< scored number)
4830 (> (- scored number) 20))
4833 (format "%s %s (%d scored, %d total): "
4834 "How many articles from"
4835 (gnus-group-decoded-name group)
4837 (if (string-match "^[ \t]*$" input)
4841 (message "Quit getting the articles to read")
4843 (setq select (if (stringp select) (string-to-number select) select))
4844 (if (or (null select) (zerop select))
4846 (if (and (not (zerop scored)) (<= (abs select) scored))
4848 (setq articles (sort scored-list '<))
4849 (setq number (length articles)))
4850 (setq articles (copy-sequence articles)))
4852 (when (< (abs select) number)
4854 ;; Select the N oldest articles.
4855 (setcdr (nthcdr (1- (abs select)) articles) nil)
4856 ;; Select the N most recent articles.
4857 (setq articles (nthcdr (- number select) articles))))
4858 (setq gnus-newsgroup-unselected
4859 (gnus-sorted-intersection
4860 gnus-newsgroup-unreads
4861 (gnus-sorted-complement gnus-newsgroup-unreads articles)))
4862 (when gnus-alter-articles-to-read-function
4863 (setq gnus-newsgroup-unreads
4865 (funcall gnus-alter-articles-to-read-function
4866 gnus-newsgroup-name gnus-newsgroup-unreads)
4870 (defun gnus-killed-articles (killed articles)
4873 (when (inline (gnus-member-of-range (car articles) killed))
4874 (push (car articles) out))
4875 (setq articles (cdr articles)))
4878 (defun gnus-uncompress-marks (marks)
4879 "Uncompress the mark ranges in MARKS."
4880 (let ((uncompressed '(score bookmark))
4883 (if (memq (caar marks) uncompressed)
4884 (push (car marks) out)
4885 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
4886 (setq marks (cdr marks)))
4889 (defun gnus-article-mark-to-type (mark)
4890 "Return the type of MARK."
4891 (or (cadr (assq mark gnus-article-special-mark-lists))
4894 (defun gnus-article-unpropagatable-p (mark)
4895 "Return whether MARK should be propagated to backend."
4896 (memq mark gnus-article-unpropagated-mark-lists))
4898 (defun gnus-adjust-marked-articles (info)
4899 "Set all article lists and remove all marks that are no longer valid."
4900 (let* ((marked-lists (gnus-info-marks info))
4901 (active (gnus-active (gnus-info-group info)))
4904 (types gnus-article-mark-lists)
4905 marks var articles article mark mark-type)
4907 (dolist (marks marked-lists)
4908 (setq mark (car marks)
4909 mark-type (gnus-article-mark-to-type mark)
4910 var (intern (format "gnus-newsgroup-%s" (car (rassq mark types)))))
4912 ;; We set the variable according to the type of the marks list,
4913 ;; and then adjust the marks to a subset of the active articles.
4915 ;; Adjust "simple" lists.
4916 ((eq mark-type 'list)
4917 (set var (setq articles (gnus-uncompress-range (cdr marks))))
4918 (when (memq mark '(tick dormant expire reply save))
4920 (when (or (< (setq article (pop articles)) min) (> article max))
4921 (set var (delq article (symbol-value var)))))))
4923 ((eq mark-type 'tuple)
4924 (set var (setq articles (cdr marks)))
4925 (when (not (listp (cdr (symbol-value var))))
4926 (set var (list (symbol-value var))))
4927 (when (not (listp (cdr articles)))
4928 (setq articles (list articles)))
4930 (when (or (not (consp (setq article (pop articles))))
4931 (< (car article) min)
4932 (> (car article) max))
4933 (set var (delq article (symbol-value var))))))
4934 ;; Adjust ranges (sloppily).
4935 ((eq mark-type 'range)
4938 (setq articles (cdr marks))
4939 (while (and articles
4940 (or (and (consp (car articles))
4941 (> min (cdar articles)))
4942 (and (numberp (car articles))
4943 (> min (car articles)))))
4945 (set var articles))))))))
4947 (defun gnus-update-missing-marks (missing)
4948 "Go through the list of MISSING articles and remove them from the mark lists."
4951 ;; Go through all types.
4952 (dolist (elem gnus-article-mark-lists)
4953 (when (eq (gnus-article-mark-to-type (cdr elem)) 'list)
4954 (setq var (intern (format "gnus-newsgroup-%s" (car elem))))
4955 (when (symbol-value var)
4956 ;; This list has articles. So we delete all missing
4957 ;; articles from it.
4960 (set var (delq (pop m) (symbol-value var))))))))))
4962 (defun gnus-update-marks ()
4963 "Enter the various lists of marked articles into the newsgroup info list."
4964 (let ((types gnus-article-mark-lists)
4965 (info (gnus-get-info gnus-newsgroup-name))
4966 type list newmarked symbol delta-marks)
4968 ;; Add all marks lists to the list of marks lists.
4969 (while (setq type (pop types))
4970 (setq list (symbol-value
4972 (intern (format "gnus-newsgroup-%s" (car type))))))
4975 ;; Get rid of the entries of the articles that have the
4977 (when (and (eq (cdr type) 'score)
4981 (prev (cons nil list))
4984 (if (or (not (consp (car arts)))
4985 (= (cdar arts) gnus-summary-default-score))
4986 (setcdr prev (cdr arts))
4988 (setq arts (cdr arts)))
4989 (setq list (cdr all)))))
4991 (when (eq (cdr type) 'seen)
4992 (setq list (gnus-range-add list gnus-newsgroup-unseen)))
4994 (when (eq (gnus-article-mark-to-type (cdr type)) 'list)
4995 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
4997 (when (and (gnus-check-backend-function
4998 'request-set-mark gnus-newsgroup-name)
4999 (not (gnus-article-unpropagatable-p (cdr type))))
5000 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
5001 (del (gnus-remove-from-range (gnus-copy-sequence old) list))
5002 (add (gnus-remove-from-range
5003 (gnus-copy-sequence list) old)))
5005 (push (list add 'add (list (cdr type))) delta-marks))
5007 (push (list del 'del (list (cdr type))) delta-marks))))
5010 (push (cons (cdr type) list) newmarked)))
5013 (unless (gnus-check-group gnus-newsgroup-name)
5014 (error "Can't open server for %s" gnus-newsgroup-name))
5015 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
5017 ;; Enter these new marks into the info of the group.
5019 (setcar (nthcdr 3 info) newmarked)
5020 ;; Add the marks lists to the end of the info.
5022 (setcdr (nthcdr 2 info) (list newmarked))))
5024 ;; Cut off the end of the info if there's nothing else there.
5028 (when (nthcdr (decf i) info)
5029 (setcdr (nthcdr i info) nil)))))))
5031 (defun gnus-set-mode-line (where)
5032 "Set the mode line of the article or summary buffers.
5033 If WHERE is `summary', the summary mode line format will be used."
5034 ;; Is this mode line one we keep updated?
5035 (when (and (memq where gnus-updated-mode-lines)
5037 (intern (format "gnus-%s-mode-line-format-spec" where))))
5040 ;; We evaluate this in the summary buffer since these
5041 ;; variables are buffer-local to that buffer.
5042 (set-buffer gnus-summary-buffer)
5043 ;; We bind all these variables that are used in the `eval' form
5045 (let* ((mformat (symbol-value
5047 (format "gnus-%s-mode-line-format-spec" where))))
5048 (gnus-tmp-group-name (gnus-group-decoded-name
5049 gnus-newsgroup-name))
5050 (gnus-tmp-article-number (or gnus-current-article 0))
5051 (gnus-tmp-unread gnus-newsgroup-unreads)
5052 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
5053 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
5054 (gnus-tmp-unread-and-unselected
5055 (cond ((and (zerop gnus-tmp-unread-and-unticked)
5056 (zerop gnus-tmp-unselected))
5058 ((zerop gnus-tmp-unselected)
5059 (format "{%d more}" gnus-tmp-unread-and-unticked))
5060 (t (format "{%d(+%d) more}"
5061 gnus-tmp-unread-and-unticked
5062 gnus-tmp-unselected))))
5064 (if (and gnus-current-headers
5065 (vectorp gnus-current-headers))
5066 (gnus-mode-string-quote
5067 (mail-header-subject gnus-current-headers))
5069 bufname-length max-len
5070 gnus-tmp-header) ;; passed as argument to any user-format-funcs
5071 (setq mode-string (eval mformat))
5072 (setq bufname-length (if (string-match "%b" mode-string)
5075 (if (eq where 'summary)
5077 (get-buffer gnus-article-buffer))))
5080 (setq max-len (max 4 (if gnus-mode-non-string-length
5082 gnus-mode-non-string-length
5084 (length mode-string))))
5085 ;; We might have to chop a bit of the string off...
5086 (when (> (length mode-string) max-len)
5088 (concat (truncate-string-to-width mode-string (- max-len 3))
5090 ;; Pad the mode string a bit.
5091 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
5092 ;; Update the mode line.
5093 (setq mode-line-buffer-identification
5094 (gnus-mode-line-buffer-identification (list mode-string)))
5095 (set-buffer-modified-p t))))
5097 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
5098 "Go through the HEADERS list and add all Xrefs to a hash table.
5099 The resulting hash table is returned, or nil if no Xrefs were found."
5100 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
5101 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
5102 (xref-hashtb (gnus-make-hashtable))
5103 start group entry number xrefs header)
5105 (setq header (pop headers))
5106 (when (and (setq xrefs (mail-header-xref header))
5107 (not (memq (setq number (mail-header-number header))
5110 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
5111 (setq start (match-end 0))
5112 (setq group (if prefix
5113 (concat prefix (substring xrefs (match-beginning 1)
5115 (substring xrefs (match-beginning 1) (match-end 1))))
5117 (string-to-int (substring xrefs (match-beginning 2)
5119 (if (setq entry (gnus-gethash group xref-hashtb))
5120 (setcdr entry (cons number (cdr entry)))
5121 (gnus-sethash group (cons number nil) xref-hashtb)))))
5122 (and start xref-hashtb)))
5124 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
5125 "Look through all the headers and mark the Xrefs as read."
5126 (let ((virtual (gnus-virtual-group-p from-newsgroup))
5127 name entry info xref-hashtb idlist method nth4)
5129 (set-buffer gnus-group-buffer)
5130 (when (setq xref-hashtb
5131 (gnus-create-xref-hashtb from-newsgroup headers unreads))
5134 (unless (string= from-newsgroup (setq name (symbol-name group)))
5135 (setq idlist (symbol-value group))
5136 ;; Dead groups are not updated.
5138 (setq entry (gnus-gethash name gnus-newsrc-hashtb)
5140 (when (stringp (setq nth4 (gnus-info-method info)))
5141 (setq nth4 (gnus-server-to-method nth4))))
5142 ;; Only do the xrefs if the group has the same
5143 ;; select method as the group we have just read.
5144 (or (gnus-methods-equal-p
5145 nth4 (gnus-find-method-for-group from-newsgroup))
5147 (equal nth4 (setq method (gnus-find-method-for-group
5149 (and (equal (car nth4) (car method))
5150 (equal (nth 1 nth4) (nth 1 method))))
5151 gnus-use-cross-reference
5152 (or (not (eq gnus-use-cross-reference t))
5154 ;; Only do cross-references on subscribed
5155 ;; groups, if that is what is wanted.
5156 (<= (gnus-info-level info) gnus-level-subscribed))
5157 (gnus-group-make-articles-read name idlist))))
5160 (defun gnus-compute-read-articles (group articles)
5161 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
5162 (info (nth 2 entry))
5163 (active (gnus-active group))
5166 ;; First peel off all invalid article numbers.
5168 (let ((ids articles)
5170 (while (setq id (pop ids))
5171 (when (and first (> id (cdr active)))
5172 ;; We'll end up in this situation in one particular
5173 ;; obscure situation. If you re-scan a group and get
5174 ;; a new article that is cross-posted to a different
5175 ;; group that has not been re-scanned, you might get
5176 ;; crossposted article that has a higher number than
5177 ;; Gnus believes possible. So we re-activate this
5178 ;; group as well. This might mean doing the
5179 ;; crossposting thingy will *increase* the number
5180 ;; of articles in some groups. Tsk, tsk.
5181 (setq active (or (gnus-activate-group group) active)))
5182 (when (or (> id (cdr active))
5183 (< id (car active)))
5184 (setq articles (delq id articles))))))
5185 ;; If the read list is nil, we init it.
5187 (null (gnus-info-read info))
5189 (setq ninfo (cons 1 (1- (car active))))
5190 (setq ninfo (gnus-info-read info)))
5191 ;; Then we add the read articles to the range.
5193 ninfo (setq articles (sort articles '<))))))
5195 (defun gnus-group-make-articles-read (group articles)
5196 "Update the info of GROUP to say that ARTICLES are read."
5198 (entry (gnus-gethash group gnus-newsrc-hashtb))
5199 (info (nth 2 entry))
5200 (active (gnus-active group))
5203 (setq range (gnus-compute-read-articles group articles))
5205 (set-buffer gnus-group-buffer)
5208 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
5209 (gnus-info-set-read ',info ',(gnus-info-read info))
5210 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
5211 (gnus-request-set-mark ,group (list (list ',range 'del '(read))))
5212 (gnus-group-update-group ,group t))))
5213 ;; Add the read articles to the range.
5214 (gnus-info-set-read info range)
5215 (gnus-request-set-mark group (list (list range 'add '(read))))
5216 ;; Then we have to re-compute how many unread
5217 ;; articles there are in this group.
5221 (setq num (- (1+ (cdr active)) (car active))))
5222 ((not (listp (cdr range)))
5223 (setq num (- (cdr active) (- (1+ (cdr range))
5227 (if (numberp (car range))
5229 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
5230 (setq range (cdr range)))
5231 (setq num (- (cdr active) num))))
5232 ;; Update the number of unread articles.
5234 ;; Update the group buffer.
5235 (gnus-group-update-group group t)))))
5237 (defvar gnus-newsgroup-none-id 0)
5239 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
5240 (let ((cur nntp-server-buffer)
5243 (save-excursion (set-buffer gnus-summary-buffer)
5244 gnus-newsgroup-dependencies)))
5246 (mail-parse-charset gnus-newsgroup-charset)
5247 (mail-parse-ignored-charsets
5248 (save-excursion (condition-case nil
5249 (set-buffer gnus-summary-buffer)
5251 gnus-newsgroup-ignored-charsets)))
5253 (set-buffer nntp-server-buffer)
5254 ;; Translate all TAB characters into SPACE characters.
5255 (subst-char-in-region (point-min) (point-max) ?\t ? t)
5256 (subst-char-in-region (point-min) (point-max) ?\r ? t)
5257 (gnus-run-hooks 'gnus-parse-headers-hook)
5258 (let ((case-fold-search t)
5259 in-reply-to header p lines chars)
5260 (goto-char (point-min))
5261 ;; Search to the beginning of the next header. Error messages
5262 ;; do not begin with 2 or 3.
5263 (while (re-search-forward "^[23][0-9]+ " nil t)
5266 ;; This implementation of this function, with nine
5267 ;; search-forwards instead of the one re-search-forward and
5268 ;; a case (which basically was the old function) is actually
5269 ;; about twice as fast, even though it looks messier. You
5270 ;; can't have everything, I guess. Speed and elegance
5271 ;; doesn't always go hand in hand.
5280 (narrow-to-region (point)
5281 (or (and (search-forward "\n.\n" nil t)
5287 (if (search-forward "\nsubject:" nil t)
5288 (funcall gnus-decode-encoded-word-function
5289 (nnheader-header-value))
5294 (if (search-forward "\nfrom:" nil t)
5295 (funcall gnus-decode-encoded-word-function
5296 (nnheader-header-value))
5301 (if (search-forward "\ndate:" nil t)
5302 (nnheader-header-value) ""))
5306 (setq id (if (re-search-forward
5307 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
5308 ;; We do it this way to make sure the Message-ID
5309 ;; is (somewhat) syntactically valid.
5310 (buffer-substring (match-beginning 1)
5312 ;; If there was no message-id, we just fake one
5313 ;; to make subsequent routines simpler.
5314 (nnheader-generate-fake-message-id))))
5318 (if (search-forward "\nreferences:" nil t)
5322 (nnheader-header-value)
5327 (search-backward ">" end t)
5330 (search-backward "<" end t)
5332 ;; Get the references from the in-reply-to header if there
5333 ;; were no references and the in-reply-to header looks
5335 (if (and (search-forward "\nin-reply-to:" nil t)
5336 (setq in-reply-to (nnheader-header-value))
5337 (string-match "<[^>]+>" in-reply-to))
5339 (setq ref (substring in-reply-to (match-beginning 0)
5341 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
5342 (setq ref2 (substring in-reply-to (match-beginning 0)
5344 (when (> (length ref2) (length ref))
5351 (if (search-forward "\nchars: " nil t)
5352 (if (numberp (setq chars (ignore-errors (read cur))))
5358 (if (search-forward "\nlines: " nil t)
5359 (if (numberp (setq lines (ignore-errors (read cur))))
5365 (and (search-forward "\nxref:" nil t)
5366 (nnheader-header-value)))
5368 (when gnus-extra-headers
5369 (let ((extra gnus-extra-headers)
5373 (when (search-forward
5374 (concat "\n" (symbol-name (car extra)) ":") nil t)
5375 (push (cons (car extra) (nnheader-header-value))
5379 (when (equal id ref)
5382 (when gnus-alter-header-function
5383 (funcall gnus-alter-header-function header)
5384 (setq id (mail-header-id header)
5385 ref (gnus-parent-id (mail-header-references header))))
5388 (gnus-dependencies-add-header
5389 header dependencies force-new))
5390 (push header headers))
5391 (goto-char (point-max))
5393 (nreverse headers)))))
5395 ;; Goes through the xover lines and returns a list of vectors
5396 (defun gnus-get-newsgroup-headers-xover (sequence &optional
5397 force-new dependencies
5398 group also-fetch-heads)
5399 "Parse the news overview data in the server buffer.
5400 Return a list of headers that match SEQUENCE (see
5401 `nntp-retrieve-headers')."
5402 ;; Get the Xref when the users reads the articles since most/some
5403 ;; NNTP servers do not include Xrefs when using XOVER.
5404 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
5405 (let ((mail-parse-charset gnus-newsgroup-charset)
5406 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
5407 (cur nntp-server-buffer)
5408 (dependencies (or dependencies gnus-newsgroup-dependencies))
5410 ((eq gnus-read-all-available-headers t)
5412 ((stringp gnus-read-all-available-headers)
5413 (string-match gnus-read-all-available-headers group))
5416 number headers header)
5418 (set-buffer nntp-server-buffer)
5419 (subst-char-in-region (point-min) (point-max) ?\r ? t)
5420 ;; Allow the user to mangle the headers before parsing them.
5421 (gnus-run-hooks 'gnus-parse-headers-hook)
5422 (goto-char (point-min))
5425 (while (and (or sequence allp)
5427 (setq number (read cur))
5429 (while (and sequence
5430 (< (car sequence) number))
5431 (setq sequence (cdr sequence))))
5434 (eq number (car sequence))))
5436 (setq sequence (cdr sequence))
5437 (setq header (inline
5438 (gnus-nov-parse-line
5439 number dependencies force-new)))))
5440 (push header headers))
5443 (gnus-error 4 "Strange nov line (%d)"
5444 (count-lines (point-min) (point)))))
5446 ;; A common bug in inn is that if you have posted an article and
5447 ;; then retrieves the active file, it will answer correctly --
5448 ;; the new article is included. However, a NOV entry for the
5449 ;; article may not have been generated yet, so this may fail.
5450 ;; We work around this problem by retrieving the last few
5451 ;; headers using HEAD.
5452 (if (or (not also-fetch-heads)
5454 ;; We (probably) got all the headers.
5456 (let ((gnus-nov-is-evil t))
5459 (when (eq (gnus-retrieve-headers sequence group) 'headers)
5460 (gnus-get-newsgroup-headers))))))))
5462 (defun gnus-article-get-xrefs ()
5463 "Fill in the Xref value in `gnus-current-headers', if necessary.
5464 This is meant to be called in `gnus-article-internal-prepare-hook'."
5465 (let ((headers (save-excursion (set-buffer gnus-summary-buffer)
5466 gnus-current-headers)))
5467 (or (not gnus-use-cross-reference)
5469 (and (mail-header-xref headers)
5470 (not (string= (mail-header-xref headers) "")))
5471 (let ((case-fold-search t)
5474 (nnheader-narrow-to-headers)
5475 (goto-char (point-min))
5476 (when (or (and (not (eobp))
5477 (eq (downcase (char-after)) ?x)
5478 (looking-at "Xref:"))
5479 (search-forward "\nXref:" nil t))
5480 (goto-char (1+ (match-end 0)))
5481 (setq xref (buffer-substring (point)
5482 (progn (end-of-line) (point))))
5483 (mail-header-set-xref headers xref)))))))
5485 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
5486 "Find article ID and insert the summary line for that article.
5487 OLD-HEADER can either be a header or a line number to insert
5488 the subject line on."
5489 (let* ((line (and (numberp old-header) old-header))
5490 (old-header (and (vectorp old-header) old-header))
5491 (header (cond ((and old-header use-old-header)
5494 (gnus-number-to-header id))
5495 (gnus-number-to-header id))
5497 (gnus-read-header id))))
5498 (number (and (numberp id) id))
5501 ;; Rebuild the thread that this article is part of and go to the
5502 ;; article we have fetched.
5503 (when (and (not gnus-show-threads)
5506 (setq d (gnus-data-find (mail-header-number old-header))))
5507 (goto-char (gnus-data-pos d))
5510 (- (gnus-point-at-bol)
5512 (1+ (gnus-point-at-eol))
5513 (gnus-delete-line))))))
5515 (mail-header-set-number header (mail-header-number old-header)))
5516 (setq gnus-newsgroup-sparse
5517 (delq (setq number (mail-header-number header))
5518 gnus-newsgroup-sparse))
5519 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
5520 (push number gnus-newsgroup-limit)
5521 (gnus-rebuild-thread (mail-header-id header) line)
5522 (gnus-summary-goto-subject number nil t))
5523 (when (and (numberp number)
5525 ;; We have to update the boundaries even if we can't fetch the
5526 ;; article if ID is a number -- so that the next `P' or `N'
5527 ;; command will fetch the previous (or next) article even
5528 ;; if the one we tried to fetch this time has been canceled.
5529 (when (> number gnus-newsgroup-end)
5530 (setq gnus-newsgroup-end number))
5531 (when (< number gnus-newsgroup-begin)
5532 (setq gnus-newsgroup-begin number))
5533 (setq gnus-newsgroup-unselected
5534 (delq number gnus-newsgroup-unselected)))
5535 ;; Report back a success?
5536 (and header (mail-header-number header))))
5538 ;;; Process/prefix in the summary buffer
5540 (defun gnus-summary-work-articles (n)
5541 "Return a list of articles to be worked upon.
5542 The prefix argument, the list of process marked articles, and the
5543 current article will be taken into consideration."
5545 (set-buffer gnus-summary-buffer)
5548 ;; A numerical prefix has been given.
5549 (setq n (prefix-numeric-value n))
5550 (let ((backward (< n 0))
5551 (n (abs (prefix-numeric-value n)))
5556 (push (setq article (gnus-summary-article-number))
5559 (gnus-summary-find-prev nil article)
5560 (gnus-summary-find-next nil article)))
5562 (nreverse articles)))
5563 ((and (gnus-region-active-p) (mark))
5564 (message "region active")
5565 ;; Work on the region between point and mark.
5566 (let ((max (max (point) (mark)))
5569 (goto-char (min (min (point) (mark))))
5572 (push (setq article (gnus-summary-article-number)) articles)
5573 (gnus-summary-find-next nil article)
5575 (nreverse articles))))
5576 (gnus-newsgroup-processable
5577 ;; There are process-marked articles present.
5578 ;; Save current state.
5579 (gnus-summary-save-process-mark)
5581 (reverse gnus-newsgroup-processable))
5583 ;; Just return the current article.
5584 (list (gnus-summary-article-number))))))
5586 (defmacro gnus-summary-iterate (arg &rest forms)
5587 "Iterate over the process/prefixed articles and do FORMS.
5588 ARG is the interactive prefix given to the command. FORMS will be
5589 executed with point over the summary line of the articles."
5590 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
5591 `(let ((,articles (gnus-summary-work-articles ,arg)))
5593 (gnus-summary-goto-subject (car ,articles))
5597 (put 'gnus-summary-iterate 'lisp-indent-function 1)
5598 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
5600 (defun gnus-summary-save-process-mark ()
5601 "Push the current set of process marked articles on the stack."
5603 (push (copy-sequence gnus-newsgroup-processable)
5604 gnus-newsgroup-process-stack))
5606 (defun gnus-summary-kill-process-mark ()
5607 "Push the current set of process marked articles on the stack and unmark."
5609 (gnus-summary-save-process-mark)
5610 (gnus-summary-unmark-all-processable))
5612 (defun gnus-summary-yank-process-mark ()
5613 "Pop the last process mark state off the stack and restore it."
5615 (unless gnus-newsgroup-process-stack
5616 (error "Empty mark stack"))
5617 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
5619 (defun gnus-summary-process-mark-set (set)
5620 "Make SET into the current process marked articles."
5621 (gnus-summary-unmark-all-processable)
5623 (gnus-summary-set-process-mark (pop set))))
5625 ;;; Searching and stuff
5627 (defun gnus-summary-search-group (&optional backward use-level)
5628 "Search for next unread newsgroup.
5629 If optional argument BACKWARD is non-nil, search backward instead."
5631 (set-buffer gnus-group-buffer)
5632 (when (gnus-group-search-forward
5633 backward nil (if use-level (gnus-group-group-level) nil))
5634 (gnus-group-group-name))))
5636 (defun gnus-summary-best-group (&optional exclude-group)
5637 "Find the name of the best unread group.
5638 If EXCLUDE-GROUP, do not go to this group."
5640 (set-buffer gnus-group-buffer)
5642 (gnus-group-best-unread-group exclude-group))))
5644 (defun gnus-summary-find-next (&optional unread article backward undownloaded)
5645 (if backward (gnus-summary-find-prev)
5646 (let* ((dummy (gnus-summary-article-intangible-p))
5647 (article (or article (gnus-summary-article-number)))
5648 (arts (gnus-data-find-list article))
5650 (when (and (not dummy)
5651 (or (not gnus-summary-check-current)
5653 (not (gnus-data-unread-p (car arts)))))
5654 (setq arts (cdr arts)))
5659 (when (or (and undownloaded
5660 (eq gnus-undownloaded-mark
5661 (gnus-data-mark (car arts))))
5662 (gnus-data-unread-p (car arts)))
5663 (setq result (car arts)
5665 (setq arts (cdr arts)))
5668 (goto-char (gnus-data-pos result))
5669 (gnus-data-number result)))))
5671 (defun gnus-summary-find-prev (&optional unread article)
5672 (let* ((eobp (eobp))
5673 (article (or article (gnus-summary-article-number)))
5674 (arts (gnus-data-find-list article (gnus-data-list 'rev)))
5676 (when (and (not eobp)
5677 (or (not gnus-summary-check-current)
5679 (not (gnus-data-unread-p (car arts)))))
5680 (setq arts (cdr arts)))
5685 (when (gnus-data-unread-p (car arts))
5686 (setq result (car arts)
5688 (setq arts (cdr arts)))
5691 (goto-char (gnus-data-pos result))
5692 (gnus-data-number result))))
5694 (defun gnus-summary-find-subject (subject &optional unread backward article)
5695 (let* ((simp-subject (gnus-simplify-subject-fully subject))
5696 (article (or article (gnus-summary-article-number)))
5697 (articles (gnus-data-list backward))
5698 (arts (gnus-data-find-list article articles))
5700 (when (or (not gnus-summary-check-current)
5702 (not (gnus-data-unread-p (car arts))))
5703 (setq arts (cdr arts)))
5705 (and (or (not unread)
5706 (gnus-data-unread-p (car arts)))
5707 (vectorp (gnus-data-header (car arts)))
5709 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
5710 (setq result (car arts)
5712 (setq arts (cdr arts)))
5714 (goto-char (gnus-data-pos result))
5715 (gnus-data-number result))))
5717 (defun gnus-summary-search-forward (&optional unread subject backward)
5718 "Search forward for an article.
5719 If UNREAD, look for unread articles. If SUBJECT, look for
5720 articles with that subject. If BACKWARD, search backward instead."
5721 (cond (subject (gnus-summary-find-subject subject unread backward))
5722 (backward (gnus-summary-find-prev unread))
5723 (t (gnus-summary-find-next unread))))
5725 (defun gnus-recenter (&optional n)
5726 "Center point in window and redisplay frame.
5727 Also do horizontal recentering."
5729 (when (and gnus-auto-center-summary
5730 (not (eq gnus-auto-center-summary 'vertical)))
5731 (gnus-horizontal-recenter))
5734 (defun gnus-summary-recenter ()
5735 "Center point in the summary window.
5736 If `gnus-auto-center-summary' is nil, or the article buffer isn't
5737 displayed, no centering will be performed."
5738 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
5739 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
5741 (let* ((top (cond ((< (window-height) 4) 0)
5742 ((< (window-height) 7) 1)
5743 (t (if (numberp gnus-auto-center-summary)
5744 gnus-auto-center-summary
5746 (height (1- (window-height)))
5747 (bottom (save-excursion (goto-char (point-max))
5748 (forward-line (- height))
5750 (window (get-buffer-window (current-buffer))))
5751 ;; The user has to want it.
5752 (when gnus-auto-center-summary
5753 (when (get-buffer-window gnus-article-buffer)
5754 ;; Only do recentering when the article buffer is displayed,
5755 ;; Set the window start to either `bottom', which is the biggest
5756 ;; possible valid number, or the second line from the top,
5757 ;; whichever is the least.
5758 (let ((top-pos (save-excursion (forward-line (- top)) (point))))
5759 (if (> bottom top-pos)
5760 ;; Keep the second line from the top visible
5761 (set-window-start window top-pos t)
5762 ;; Try to keep the bottom line visible; if it's partially
5763 ;; obscured, either scroll one more line to make it fully
5764 ;; visible, or revert to using TOP-POS.
5766 (goto-char (point-max))
5768 (let ((last-line-start (point)))
5770 (set-window-start window (point) t)
5771 (when (not (pos-visible-in-window-p last-line-start window))
5773 (set-window-start window (min (point) top-pos) t)))))))
5774 ;; Do horizontal recentering while we're at it.
5775 (when (and (get-buffer-window (current-buffer) t)
5776 (not (eq gnus-auto-center-summary 'vertical)))
5777 (let ((selected (selected-window)))
5778 (select-window (get-buffer-window (current-buffer) t))
5779 (gnus-summary-position-point)
5780 (gnus-horizontal-recenter)
5781 (select-window selected))))))
5783 (defun gnus-summary-jump-to-group (newsgroup)
5784 "Move point to NEWSGROUP in group mode buffer."
5785 ;; Keep update point of group mode buffer if visible.
5786 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
5787 (save-window-excursion
5788 ;; Take care of tree window mode.
5789 (when (get-buffer-window gnus-group-buffer)
5790 (pop-to-buffer gnus-group-buffer))
5791 (gnus-group-jump-to-group newsgroup))
5793 ;; Take care of tree window mode.
5794 (if (get-buffer-window gnus-group-buffer)
5795 (pop-to-buffer gnus-group-buffer)
5796 (set-buffer gnus-group-buffer))
5797 (gnus-group-jump-to-group newsgroup))))
5799 ;; This function returns a list of article numbers based on the
5800 ;; difference between the ranges of read articles in this group and
5801 ;; the range of active articles.
5802 (defun gnus-list-of-unread-articles (group)
5803 (let* ((read (gnus-info-read (gnus-get-info group)))
5804 (active (or (gnus-active group) (gnus-activate-group group)))
5807 ;; If none are read, then all are unread.
5809 (setq first (car active))
5810 ;; If the range of read articles is a single range, then the
5811 ;; first unread article is the article after the last read
5812 ;; article. Sounds logical, doesn't it?
5813 (if (and (not (listp (cdr read)))
5814 (or (< (car read) (car active))
5815 (progn (setq read (list read))
5817 (setq first (max (car active) (1+ (cdr read))))
5818 ;; `read' is a list of ranges.
5819 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
5822 (setq first (car active)))
5825 (while (< first nlast)
5827 (setq first (1+ first))))
5828 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
5829 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
5830 (setq read (cdr read)))))
5831 ;; And add the last unread articles.
5832 (while (<= first last)
5834 (setq first (1+ first)))
5835 ;; Return the list of unread articles.
5836 (delq 0 (nreverse unread))))
5838 (defun gnus-list-of-read-articles (group)
5839 "Return a list of unread, unticked and non-dormant articles."
5840 (let* ((info (gnus-get-info group))
5841 (marked (gnus-info-marks info))
5842 (active (gnus-active group)))
5844 (gnus-set-difference
5845 (gnus-sorted-complement
5846 (gnus-uncompress-range active)
5847 (gnus-list-of-unread-articles group))
5849 (gnus-uncompress-range (cdr (assq 'dormant marked)))
5850 (gnus-uncompress-range (cdr (assq 'tick marked))))))))
5852 ;; Various summary commands
5854 (defun gnus-summary-select-article-buffer ()
5855 "Reconfigure windows to show article buffer."
5857 (if (not (gnus-buffer-live-p gnus-article-buffer))
5858 (error "There is no article buffer for this summary buffer")
5859 (gnus-configure-windows 'article)
5860 (select-window (get-buffer-window gnus-article-buffer))))
5862 (defun gnus-summary-universal-argument (arg)
5863 "Perform any operation on all articles that are process/prefixed."
5865 (let ((articles (gnus-summary-work-articles arg))
5872 (substitute-command-keys
5873 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
5875 (gnus-error 1 "Undefined key")
5878 (gnus-summary-goto-subject (setq article (pop articles)))
5879 (let (gnus-newsgroup-processable)
5880 (command-execute func))
5881 (gnus-summary-remove-process-mark article)))))
5882 (gnus-summary-position-point))
5884 (defun gnus-summary-toggle-truncation (&optional arg)
5885 "Toggle truncation of summary lines.
5886 With arg, turn line truncation on iff arg is positive."
5888 (setq truncate-lines
5889 (if (null arg) (not truncate-lines)
5890 (> (prefix-numeric-value arg) 0)))
5893 (defun gnus-summary-reselect-current-group (&optional all rescan)
5894 "Exit and then reselect the current newsgroup.
5895 The prefix argument ALL means to select all articles."
5897 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
5898 (error "Ephemeral groups can't be reselected"))
5899 (let ((current-subject (gnus-summary-article-number))
5900 (group gnus-newsgroup-name))
5901 (setq gnus-newsgroup-begin nil)
5903 ;; We have to adjust the point of group mode buffer because
5904 ;; point was moved to the next unread newsgroup by exiting.
5905 (gnus-summary-jump-to-group group)
5908 (gnus-group-get-new-news-this-group 1)))
5909 (gnus-group-read-group all t)
5910 (gnus-summary-goto-subject current-subject nil t)))
5912 (defun gnus-summary-rescan-group (&optional all)
5913 "Exit the newsgroup, ask for new articles, and select the newsgroup."
5915 (gnus-summary-reselect-current-group all t))
5917 (defun gnus-summary-update-info (&optional non-destructive)
5919 (let ((group gnus-newsgroup-name))
5921 (when gnus-newsgroup-kill-headers
5922 (setq gnus-newsgroup-killed
5923 (gnus-compress-sequence
5925 (gnus-set-sorted-intersection
5926 (gnus-uncompress-range gnus-newsgroup-killed)
5927 (setq gnus-newsgroup-unselected
5928 (sort gnus-newsgroup-unselected '<)))
5929 (setq gnus-newsgroup-unreads
5930 (sort gnus-newsgroup-unreads '<)))
5932 (unless (listp (cdr gnus-newsgroup-killed))
5933 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
5934 (let ((headers gnus-newsgroup-headers))
5935 ;; Set the new ranges of read articles.
5937 (set-buffer gnus-group-buffer)
5938 (gnus-undo-force-boundary))
5939 (gnus-update-read-articles
5940 group (append gnus-newsgroup-unreads gnus-newsgroup-unselected))
5941 ;; Set the current article marks.
5942 (let ((gnus-newsgroup-scored
5943 (if (and (not gnus-save-score)
5944 (not non-destructive))
5946 gnus-newsgroup-scored)))
5948 (gnus-update-marks)))
5949 ;; Do the cross-ref thing.
5950 (when gnus-use-cross-reference
5951 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
5952 ;; Do not switch windows but change the buffer to work.
5953 (set-buffer gnus-group-buffer)
5954 (unless (gnus-ephemeral-group-p group)
5955 (gnus-group-update-group group)))))))
5957 (defun gnus-summary-save-newsrc (&optional force)
5958 "Save the current number of read/marked articles in the dribble buffer.
5959 The dribble buffer will then be saved.
5960 If FORCE (the prefix), also save the .newsrc file(s)."
5962 (gnus-summary-update-info t)
5964 (gnus-save-newsrc-file)
5965 (gnus-dribble-save)))
5967 (defun gnus-summary-exit (&optional temporary)
5968 "Exit reading current newsgroup, and then return to group selection mode.
5969 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
5971 (gnus-set-global-variables)
5972 (when (gnus-buffer-live-p gnus-article-buffer)
5974 (set-buffer gnus-article-buffer)
5975 (mm-destroy-parts gnus-article-mime-handles)
5976 ;; Set it to nil for safety reason.
5977 (setq gnus-article-mime-handle-alist nil)
5978 (setq gnus-article-mime-handles nil)))
5979 (gnus-kill-save-kill-buffer)
5980 (gnus-async-halt-prefetch)
5981 (let* ((group gnus-newsgroup-name)
5982 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
5985 (buf (current-buffer)))
5987 ;; Do adaptive scoring, and possibly save score files.
5988 (when gnus-newsgroup-adaptive
5989 (gnus-score-adaptive))
5990 (when gnus-use-scoring
5992 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
5993 ;; If we have several article buffers, we kill them at exit.
5994 (unless gnus-single-article-buffer
5995 (gnus-kill-buffer gnus-original-article-buffer)
5996 (setq gnus-article-current nil))
5997 (when gnus-use-cache
5998 (gnus-cache-possibly-remove-articles)
5999 (gnus-cache-save-buffers))
6000 (gnus-async-prefetch-remove-group group)
6001 (when gnus-suppress-duplicates
6002 (gnus-dup-enter-articles))
6003 (when gnus-use-trees
6004 (gnus-tree-close group))
6005 (when gnus-use-cache
6006 (gnus-cache-write-active))
6007 ;; Remove entries for this group.
6008 (nnmail-purge-split-history (gnus-group-real-name group))
6009 ;; Make all changes in this group permanent.
6011 (gnus-run-hooks 'gnus-exit-group-hook)
6012 (gnus-summary-update-info))
6013 (gnus-close-group group)
6014 ;; Make sure where we were, and go to next newsgroup.
6015 (set-buffer gnus-group-buffer)
6017 (gnus-group-jump-to-group group))
6018 (gnus-run-hooks 'gnus-summary-exit-hook)
6019 (unless (or quit-config
6020 ;; If this group has disappeared from the summary
6021 ;; buffer, don't skip forwards.
6022 (not (string= group (gnus-group-group-name))))
6023 (gnus-group-next-unread-group 1))
6024 (setq group-point (point))
6027 ;; If we have several article buffers, we kill them at exit.
6028 (unless gnus-single-article-buffer
6029 (gnus-kill-buffer gnus-article-buffer)
6030 (gnus-kill-buffer gnus-original-article-buffer)
6031 (setq gnus-article-current nil))
6033 (if (not gnus-kill-summary-on-exit)
6035 (gnus-deaden-summary)
6037 ;; We set all buffer-local variables to nil. It is unclear why
6038 ;; this is needed, but if we don't, buffer-local variables are
6039 ;; not garbage-collected, it seems. This would the lead to en
6040 ;; ever-growing Emacs.
6041 (gnus-summary-clear-local-variables)
6042 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6043 (gnus-summary-clear-local-variables))
6044 (when (get-buffer gnus-article-buffer)
6045 (bury-buffer gnus-article-buffer))
6046 ;; We clear the global counterparts of the buffer-local
6047 ;; variables as well, just to be on the safe side.
6048 (set-buffer gnus-group-buffer)
6049 (gnus-summary-clear-local-variables)
6050 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6051 (gnus-summary-clear-local-variables)))
6052 (setq gnus-current-select-method gnus-select-method)
6053 (pop-to-buffer gnus-group-buffer)
6054 (if (not quit-config)
6056 (goto-char group-point)
6057 (gnus-configure-windows 'group 'force))
6058 (gnus-handle-ephemeral-exit quit-config))
6059 ;; Return to group mode buffer.
6060 (when (eq mode 'gnus-summary-mode)
6061 (gnus-kill-buffer buf))
6062 ;; Clear the current group name.
6064 (setq gnus-newsgroup-name nil)))))
6066 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
6067 (defun gnus-summary-exit-no-update (&optional no-questions)
6068 "Quit reading current newsgroup without updating read article info."
6070 (let* ((group gnus-newsgroup-name)
6071 (quit-config (gnus-group-quit-config group)))
6072 (when (or no-questions
6074 (gnus-y-or-n-p "Discard changes to this group and exit? "))
6075 (gnus-async-halt-prefetch)
6077 (delq 'gnus-summary-expire-articles
6078 (copy-sequence gnus-summary-prepare-exit-hook)))
6079 (when (gnus-buffer-live-p gnus-article-buffer)
6081 (set-buffer gnus-article-buffer)
6082 (mm-destroy-parts gnus-article-mime-handles)
6083 ;; Set it to nil for safety reason.
6084 (setq gnus-article-mime-handle-alist nil)
6085 (setq gnus-article-mime-handles nil)))
6086 ;; If we have several article buffers, we kill them at exit.
6087 (unless gnus-single-article-buffer
6088 (gnus-kill-buffer gnus-article-buffer)
6089 (gnus-kill-buffer gnus-original-article-buffer)
6090 (setq gnus-article-current nil))
6091 (if (not gnus-kill-summary-on-exit)
6092 (gnus-deaden-summary)
6093 (gnus-close-group group)
6094 (gnus-summary-clear-local-variables)
6095 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6096 (gnus-summary-clear-local-variables))
6097 (set-buffer gnus-group-buffer)
6098 (gnus-summary-clear-local-variables)
6099 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6100 (gnus-summary-clear-local-variables))
6101 (when (get-buffer gnus-summary-buffer)
6102 (kill-buffer gnus-summary-buffer)))
6103 (unless gnus-single-article-buffer
6104 (setq gnus-article-current nil))
6105 (when gnus-use-trees
6106 (gnus-tree-close group))
6107 (gnus-async-prefetch-remove-group group)
6108 (when (get-buffer gnus-article-buffer)
6109 (bury-buffer gnus-article-buffer))
6110 ;; Return to the group buffer.
6111 (gnus-configure-windows 'group 'force)
6112 ;; Clear the current group name.
6113 (setq gnus-newsgroup-name nil)
6114 (when (equal (gnus-group-group-name) group)
6115 (gnus-group-next-unread-group 1))
6117 (gnus-handle-ephemeral-exit quit-config)))))
6119 (defun gnus-handle-ephemeral-exit (quit-config)
6120 "Handle movement when leaving an ephemeral group.
6121 The state which existed when entering the ephemeral is reset."
6122 (if (not (buffer-name (car quit-config)))
6123 (gnus-configure-windows 'group 'force)
6124 (set-buffer (car quit-config))
6125 (cond ((eq major-mode 'gnus-summary-mode)
6126 (gnus-set-global-variables))
6127 ((eq major-mode 'gnus-article-mode)
6129 ;; The `gnus-summary-buffer' variable may point
6130 ;; to the old summary buffer when using a single
6132 (unless (gnus-buffer-live-p gnus-summary-buffer)
6133 (set-buffer gnus-group-buffer))
6134 (set-buffer gnus-summary-buffer)
6135 (gnus-set-global-variables))))
6136 (if (or (eq (cdr quit-config) 'article)
6137 (eq (cdr quit-config) 'pick))
6139 ;; The current article may be from the ephemeral group
6140 ;; thus it is best that we reload this article
6141 (gnus-summary-show-article)
6142 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
6143 (gnus-configure-windows 'pick 'force)
6144 (gnus-configure-windows (cdr quit-config) 'force)))
6145 (gnus-configure-windows (cdr quit-config) 'force))
6146 (when (eq major-mode 'gnus-summary-mode)
6147 (gnus-summary-next-subject 1 nil t)
6148 (gnus-summary-recenter)
6149 (gnus-summary-position-point))))
6153 (defvar gnus-dead-summary-mode-map nil)
6155 (unless gnus-dead-summary-mode-map
6156 (setq gnus-dead-summary-mode-map (make-keymap))
6157 (suppress-keymap gnus-dead-summary-mode-map)
6158 (substitute-key-definition
6159 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
6160 (dolist (key '("\C-d" "\r" "\177" [delete]))
6161 (define-key gnus-dead-summary-mode-map
6162 key 'gnus-summary-wake-up-the-dead))
6163 (dolist (key '("q" "Q"))
6164 (define-key gnus-dead-summary-mode-map key 'bury-buffer)))
6166 (defvar gnus-dead-summary-mode nil
6167 "Minor mode for Gnus summary buffers.")
6169 (defun gnus-dead-summary-mode (&optional arg)
6170 "Minor mode for Gnus summary buffers."
6172 (when (eq major-mode 'gnus-summary-mode)
6173 (make-local-variable 'gnus-dead-summary-mode)
6174 (setq gnus-dead-summary-mode
6175 (if (null arg) (not gnus-dead-summary-mode)
6176 (> (prefix-numeric-value arg) 0)))
6177 (when gnus-dead-summary-mode
6178 (gnus-add-minor-mode
6179 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
6181 (defun gnus-deaden-summary ()
6182 "Make the current summary buffer into a dead summary buffer."
6183 ;; Kill any previous dead summary buffer.
6184 (when (and gnus-dead-summary
6185 (buffer-name gnus-dead-summary))
6187 (set-buffer gnus-dead-summary)
6188 (when gnus-dead-summary-mode
6189 (kill-buffer (current-buffer)))))
6190 ;; Make this the current dead summary.
6191 (setq gnus-dead-summary (current-buffer))
6192 (gnus-dead-summary-mode 1)
6193 (let ((name (buffer-name)))
6194 (when (string-match "Summary" name)
6196 (concat (substring name 0 (match-beginning 0)) "Dead "
6197 (substring name (match-beginning 0)))
6201 (defun gnus-kill-or-deaden-summary (buffer)
6202 "Kill or deaden the summary BUFFER."
6204 (when (and (buffer-name buffer)
6205 (not gnus-single-article-buffer))
6208 (gnus-kill-buffer gnus-article-buffer)
6209 (gnus-kill-buffer gnus-original-article-buffer)))
6210 (cond (gnus-kill-summary-on-exit
6211 (when (and gnus-use-trees
6212 (gnus-buffer-exists-p buffer))
6215 (gnus-tree-close gnus-newsgroup-name)))
6216 (gnus-kill-buffer buffer))
6217 ((gnus-buffer-exists-p buffer)
6220 (gnus-deaden-summary))))))
6222 (defun gnus-summary-wake-up-the-dead (&rest args)
6223 "Wake up the dead summary buffer."
6225 (gnus-dead-summary-mode -1)
6226 (let ((name (buffer-name)))
6227 (when (string-match "Dead " name)
6229 (concat (substring name 0 (match-beginning 0))
6230 (substring name (match-end 0)))
6232 (gnus-message 3 "This dead summary is now alive again"))
6234 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
6235 (defun gnus-summary-fetch-faq (&optional faq-dir)
6236 "Fetch the FAQ for the current group.
6237 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
6241 (when current-prefix-arg
6243 "Faq dir: " (and (listp gnus-group-faq-directory)
6244 (mapcar (lambda (file) (list file))
6245 gnus-group-faq-directory))))))
6246 (let (gnus-faq-buffer)
6247 (when (setq gnus-faq-buffer
6248 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
6249 (gnus-configure-windows 'summary-faq))))
6251 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
6252 (defun gnus-summary-describe-group (&optional force)
6253 "Describe the current newsgroup."
6255 (gnus-group-describe-group force gnus-newsgroup-name))
6257 (defun gnus-summary-describe-briefly ()
6258 "Describe summary mode commands briefly."
6260 (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")))
6262 ;; Walking around group mode buffer from summary mode.
6264 (defun gnus-summary-next-group (&optional no-article target-group backward)
6265 "Exit current newsgroup and then select next unread newsgroup.
6266 If prefix argument NO-ARTICLE is non-nil, no article is selected
6267 initially. If NEXT-GROUP, go to this group. If BACKWARD, go to
6268 previous group instead."
6270 ;; Stop pre-fetching.
6271 (gnus-async-halt-prefetch)
6272 (let ((current-group gnus-newsgroup-name)
6273 (current-buffer (current-buffer))
6275 ;; First we semi-exit this group to update Xrefs and all variables.
6276 ;; We can't do a real exit, because the window conf must remain
6277 ;; the same in case the user is prompted for info, and we don't
6278 ;; want the window conf to change before that...
6279 (gnus-summary-exit t)
6280 (while (not entered)
6281 ;; Then we find what group we are supposed to enter.
6282 (set-buffer gnus-group-buffer)
6283 (gnus-group-jump-to-group current-group)
6286 (if (eq gnus-keep-same-level 'best)
6287 (gnus-summary-best-group gnus-newsgroup-name)
6288 (gnus-summary-search-group backward gnus-keep-same-level))))
6289 (if (not target-group)
6290 ;; There are no further groups, so we return to the group
6293 (gnus-message 5 "Returning to the group buffer")
6295 (when (gnus-buffer-live-p current-buffer)
6296 (set-buffer current-buffer)
6297 (gnus-summary-exit))
6298 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
6299 ;; We try to enter the target group.
6300 (gnus-group-jump-to-group target-group)
6301 (let ((unreads (gnus-group-group-unread)))
6302 (if (and (or (eq t unreads)
6303 (and unreads (not (zerop unreads))))
6304 (gnus-summary-read-group
6305 target-group nil no-article
6306 (and (buffer-name current-buffer) current-buffer)
6309 (setq current-group target-group
6310 target-group nil)))))))
6312 (defun gnus-summary-prev-group (&optional no-article)
6313 "Exit current newsgroup and then select previous unread newsgroup.
6314 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
6316 (gnus-summary-next-group no-article nil t))
6318 ;; Walking around summary lines.
6320 (defun gnus-summary-first-subject (&optional unread undownloaded unseen)
6321 "Go to the first unread subject.
6322 If UNREAD is non-nil, go to the first unread article.
6323 Returns the article selected or nil if there are no unread articles."
6328 ((null gnus-newsgroup-data)
6329 (gnus-message 3 "No articles in the group")
6331 ;; Pick the first article.
6333 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
6334 (gnus-data-number (car gnus-newsgroup-data)))
6335 ;; No unread articles.
6336 ((null gnus-newsgroup-unreads)
6337 (gnus-message 3 "No more unread articles")
6339 ;; Find the first unread article.
6341 (let ((data gnus-newsgroup-data))
6343 (and (not (and undownloaded
6344 (eq gnus-undownloaded-mark
6345 (gnus-data-mark (car data)))))
6348 (gnus-data-number (car data))
6349 gnus-newsgroup-unseen))
6350 (not (gnus-data-unread-p (car data))))
6351 (not (gnus-data-unread-p (car data))))))
6352 (setq data (cdr data)))
6354 (goto-char (gnus-data-pos (car data)))
6355 (gnus-data-number (car data))))))
6356 (gnus-summary-position-point)))
6358 (defun gnus-summary-next-subject (n &optional unread dont-display)
6359 "Go to next N'th summary line.
6360 If N is negative, go to the previous N'th subject line.
6361 If UNREAD is non-nil, only unread articles are selected.
6362 The difference between N and the actual number of steps taken is
6365 (let ((backward (< n 0))
6369 (gnus-summary-find-prev unread)
6370 (gnus-summary-find-next unread)))
6371 (unless (zerop (setq n (1- n)))
6372 (gnus-summary-show-thread)))
6374 (gnus-message 7 "No more%s articles"
6375 (if unread " unread" "")))
6376 (unless dont-display
6377 (gnus-summary-recenter)
6378 (gnus-summary-position-point))
6381 (defun gnus-summary-next-unread-subject (n)
6382 "Go to next N'th unread summary line."
6384 (gnus-summary-next-subject n t))
6386 (defun gnus-summary-prev-subject (n &optional unread)
6387 "Go to previous N'th summary line.
6388 If optional argument UNREAD is non-nil, only unread article is selected."
6390 (gnus-summary-next-subject (- n) unread))
6392 (defun gnus-summary-prev-unread-subject (n)
6393 "Go to previous N'th unread summary line."
6395 (gnus-summary-next-subject (- n) t))
6397 (defun gnus-summary-goto-subject (article &optional force silent)
6398 "Go the subject line of ARTICLE.
6399 If FORCE, also allow jumping to articles not currently shown."
6400 (interactive "nArticle number: ")
6402 (data (gnus-data-find article)))
6403 ;; We read in the article if we have to.
6406 (gnus-summary-insert-subject
6408 (if (or (numberp force) (vectorp force)) force)
6410 (setq data (gnus-data-find article)))
6415 (gnus-message 3 "Can't find article %d" article))
6417 (let ((pt (gnus-data-pos data)))
6419 (gnus-summary-set-article-display-arrow pt))
6420 (gnus-summary-position-point)
6423 ;; Walking around summary lines with displaying articles.
6425 (defun gnus-summary-expand-window (&optional arg)
6426 "Make the summary buffer take up the entire Emacs frame.
6427 Given a prefix, will force an `article' buffer configuration."
6430 (gnus-configure-windows 'article 'force)
6431 (gnus-configure-windows 'summary 'force)))
6433 (defun gnus-summary-display-article (article &optional all-header)
6434 "Display ARTICLE in article buffer."
6435 (when (gnus-buffer-live-p gnus-article-buffer)
6436 (with-current-buffer gnus-article-buffer
6437 (mm-enable-multibyte-mule4)))
6438 (gnus-set-global-variables)
6439 (when (gnus-buffer-live-p gnus-article-buffer)
6440 (with-current-buffer gnus-article-buffer
6441 (setq gnus-article-charset gnus-newsgroup-charset)
6442 (setq gnus-article-ignored-charsets gnus-newsgroup-ignored-charsets)
6443 (mm-enable-multibyte-mule4)))
6447 (if gnus-summary-display-article-function
6448 (funcall gnus-summary-display-article-function article all-header)
6449 (gnus-article-prepare article all-header))
6450 (gnus-run-hooks 'gnus-select-article-hook)
6451 (when (and gnus-current-article
6452 (not (zerop gnus-current-article)))
6453 (gnus-summary-goto-subject gnus-current-article))
6454 (gnus-summary-recenter)
6455 (when (and gnus-use-trees gnus-show-threads)
6456 (gnus-possibly-generate-tree article)
6457 (gnus-highlight-selected-tree article))
6458 ;; Successfully display article.
6459 (gnus-article-set-window-start
6460 (cdr (assq article gnus-newsgroup-bookmarks))))))
6462 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
6463 "Select the current article.
6464 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
6465 non-nil, the article will be re-fetched even if it already present in
6466 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
6468 ;; Make sure we are in the summary buffer to work around bbdb bug.
6469 (unless (eq major-mode 'gnus-summary-mode)
6470 (set-buffer gnus-summary-buffer))
6471 (let ((article (or article (gnus-summary-article-number)))
6472 (all-headers (not (not all-headers))) ;Must be t or nil.
6473 gnus-summary-display-article-function)
6475 (gnus-summary-article-pseudo-p article)
6476 (error "This is a pseudo-article"))
6478 (set-buffer gnus-summary-buffer)
6479 (if (or (and gnus-single-article-buffer
6480 (or (null gnus-current-article)
6481 (null gnus-article-current)
6482 (null (get-buffer gnus-article-buffer))
6483 (not (eq article (cdr gnus-article-current)))
6484 (not (equal (car gnus-article-current)
6485 gnus-newsgroup-name))))
6486 (and (not gnus-single-article-buffer)
6487 (or (null gnus-current-article)
6488 (not (eq gnus-current-article article))))
6490 ;; The requested article is different from the current article.
6492 (gnus-summary-display-article article all-headers)
6493 (when (gnus-buffer-live-p gnus-article-buffer)
6494 (with-current-buffer gnus-article-buffer
6495 (if (not gnus-article-decoded-p) ;; a local variable
6496 (mm-disable-multibyte-mule4))))
6497 (when (or all-headers gnus-show-all-headers)
6498 (gnus-article-show-all-headers))
6499 (gnus-article-set-window-start
6500 (cdr (assq article gnus-newsgroup-bookmarks)))
6502 (when (or all-headers gnus-show-all-headers)
6503 (gnus-article-show-all-headers))
6506 (defun gnus-summary-force-verify-and-decrypt ()
6508 (let ((mm-verify-option 'known)
6509 (mm-decrypt-option 'known))
6510 (gnus-summary-select-article nil 'force)))
6512 (defun gnus-summary-set-current-mark (&optional current-mark)
6513 "Obsolete function."
6516 (defun gnus-summary-next-article (&optional unread subject backward push)
6517 "Select the next article.
6518 If UNREAD, only unread articles are selected.
6519 If SUBJECT, only articles with SUBJECT are selected.
6520 If BACKWARD, the previous article is selected instead of the next."
6523 ;; Is there such an article?
6524 ((and (gnus-summary-search-forward unread subject backward)
6525 (or (gnus-summary-display-article (gnus-summary-article-number))
6526 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
6527 (gnus-summary-position-point))
6528 ;; If not, we try the first unread, if that is wanted.
6530 gnus-auto-select-same
6531 (gnus-summary-first-unread-article))
6532 (gnus-summary-position-point)
6533 (gnus-message 6 "Wrapped"))
6534 ;; Try to get next/previous article not displayed in this group.
6535 ((and gnus-auto-extend-newsgroup
6536 (not unread) (not subject))
6537 (gnus-summary-goto-article
6538 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
6539 nil (count-lines (point-min) (point))))
6540 ;; Go to next/previous group.
6542 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
6543 (gnus-summary-jump-to-group gnus-newsgroup-name))
6544 (let ((cmd last-command-char)
6547 (set-buffer gnus-group-buffer)
6550 (if (eq gnus-keep-same-level 'best)
6551 (gnus-summary-best-group gnus-newsgroup-name)
6552 (gnus-summary-search-group backward gnus-keep-same-level))))
6553 ;; For some reason, the group window gets selected. We change
6555 (select-window (get-buffer-window (current-buffer)))
6556 ;; Select next unread newsgroup automagically.
6558 ((or (not gnus-auto-select-next)
6560 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
6561 ((or (eq gnus-auto-select-next 'quietly)
6562 (and (eq gnus-auto-select-next 'slightly-quietly)
6564 (and (eq gnus-auto-select-next 'almost-quietly)
6565 (gnus-summary-last-article-p)))
6567 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
6569 (gnus-message 7 "No more%s articles (%s)..."
6570 (if unread " unread" "")
6571 (if group (concat "selecting " group)
6573 (gnus-summary-next-group nil group backward)))
6575 (when (gnus-key-press-event-p last-input-event)
6576 (gnus-summary-walk-group-buffer
6577 gnus-newsgroup-name cmd unread backward point))))))))
6579 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
6580 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
6581 (?\C-p (gnus-group-prev-unread-group 1))))
6582 (cursor-in-echo-area t)
6583 keve key group ended)
6585 (set-buffer gnus-group-buffer)
6588 (if (eq gnus-keep-same-level 'best)
6589 (gnus-summary-best-group gnus-newsgroup-name)
6590 (gnus-summary-search-group backward gnus-keep-same-level))))
6593 5 "No more%s articles%s" (if unread " unread" "")
6595 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
6596 (format " (Type %s for %s [%s])"
6597 (single-key-description cmd) group
6598 (car (gnus-gethash group gnus-newsrc-hashtb)))
6599 (format " (Type %s to exit %s)"
6600 (single-key-description cmd)
6601 gnus-newsgroup-name)))
6602 ;; Confirm auto selection.
6603 (setq key (car (setq keve (gnus-read-event-char))))
6606 ((assq key keystrokes)
6607 (let ((obuf (current-buffer)))
6608 (switch-to-buffer gnus-group-buffer)
6610 (gnus-group-jump-to-group group))
6611 (eval (cadr (assq key keystrokes)))
6612 (setq group (gnus-group-group-name))
6613 (switch-to-buffer obuf))
6617 (gnus-ephemeral-group-p gnus-newsgroup-name))
6619 (gnus-summary-next-group nil group backward)))
6621 (push (cdr keve) unread-command-events))))))
6623 (defun gnus-summary-next-unread-article ()
6624 "Select unread article after current one."
6626 (gnus-summary-next-article
6627 (or (not (eq gnus-summary-goto-unread 'never))
6628 (gnus-summary-last-article-p (gnus-summary-article-number)))
6629 (and gnus-auto-select-same
6630 (gnus-summary-article-subject))))
6632 (defun gnus-summary-prev-article (&optional unread subject)
6633 "Select the article after the current one.
6634 If UNREAD is non-nil, only unread articles are selected."
6636 (gnus-summary-next-article unread subject t))
6638 (defun gnus-summary-prev-unread-article ()
6639 "Select unread article before current one."
6641 (gnus-summary-prev-article
6642 (or (not (eq gnus-summary-goto-unread 'never))
6643 (gnus-summary-first-article-p (gnus-summary-article-number)))
6644 (and gnus-auto-select-same
6645 (gnus-summary-article-subject))))
6647 (defun gnus-summary-next-page (&optional lines circular)
6648 "Show next page of the selected article.
6649 If at the end of the current article, select the next article.
6650 LINES says how many lines should be scrolled up.
6652 If CIRCULAR is non-nil, go to the start of the article instead of
6653 selecting the next article when reaching the end of the current
6656 (setq gnus-summary-buffer (current-buffer))
6657 (gnus-set-global-variables)
6658 (let ((article (gnus-summary-article-number))
6659 (article-window (get-buffer-window gnus-article-buffer t))
6661 ;; If the buffer is empty, we have no article.
6663 (error "No article to select"))
6664 (gnus-configure-windows 'article)
6665 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
6666 (if (and (eq gnus-summary-goto-unread 'never)
6667 (not (gnus-summary-last-article-p article)))
6668 (gnus-summary-next-article)
6669 (gnus-summary-next-unread-article))
6670 (if (or (null gnus-current-article)
6671 (null gnus-article-current)
6672 (/= article (cdr gnus-article-current))
6673 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
6674 ;; Selected subject is different from current article's.
6675 (gnus-summary-display-article article)
6676 (when article-window
6677 (gnus-eval-in-buffer-window gnus-article-buffer
6678 (setq endp (gnus-article-next-page lines)))
6681 (gnus-summary-beginning-of-article))
6683 (gnus-message 3 "End of message"))
6685 (if (and (eq gnus-summary-goto-unread 'never)
6686 (not (gnus-summary-last-article-p article)))
6687 (gnus-summary-next-article)
6688 (gnus-summary-next-unread-article))))))))
6689 (gnus-summary-recenter)
6690 (gnus-summary-position-point)))
6692 (defun gnus-summary-prev-page (&optional lines move)
6693 "Show previous page of selected article.
6694 Argument LINES specifies lines to be scrolled down.
6695 If MOVE, move to the previous unread article if point is at
6696 the beginning of the buffer."
6698 (let ((article (gnus-summary-article-number))
6699 (article-window (get-buffer-window gnus-article-buffer t))
6701 (gnus-configure-windows 'article)
6702 (if (or (null gnus-current-article)
6703 (null gnus-article-current)
6704 (/= article (cdr gnus-article-current))
6705 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
6706 ;; Selected subject is different from current article's.
6707 (gnus-summary-display-article article)
6708 (gnus-summary-recenter)
6709 (when article-window
6710 (gnus-eval-in-buffer-window gnus-article-buffer
6711 (setq endp (gnus-article-prev-page lines)))
6712 (when (and move endp)
6714 (gnus-message 3 "Beginning of message"))
6716 (if (and (eq gnus-summary-goto-unread 'never)
6717 (not (gnus-summary-first-article-p article)))
6718 (gnus-summary-prev-article)
6719 (gnus-summary-prev-unread-article))))))))
6720 (gnus-summary-position-point))
6722 (defun gnus-summary-prev-page-or-article (&optional lines)
6723 "Show previous page of selected article.
6724 Argument LINES specifies lines to be scrolled down.
6725 If at the beginning of the article, go to the next article."
6727 (gnus-summary-prev-page lines t))
6729 (defun gnus-summary-scroll-up (lines)
6730 "Scroll up (or down) one line current article.
6731 Argument LINES specifies lines to be scrolled up (or down if negative)."
6733 (gnus-configure-windows 'article)
6734 (gnus-summary-show-thread)
6735 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
6736 (gnus-eval-in-buffer-window gnus-article-buffer
6738 (when (gnus-article-next-page lines)
6739 (gnus-message 3 "End of message")))
6741 (gnus-article-prev-page (- lines))))))
6742 (gnus-summary-recenter)
6743 (gnus-summary-position-point))
6745 (defun gnus-summary-scroll-down (lines)
6746 "Scroll down (or up) one line current article.
6747 Argument LINES specifies lines to be scrolled down (or up if negative)."
6749 (gnus-summary-scroll-up (- lines)))
6751 (defun gnus-summary-next-same-subject ()
6752 "Select next article which has the same subject as current one."
6754 (gnus-summary-next-article nil (gnus-summary-article-subject)))
6756 (defun gnus-summary-prev-same-subject ()
6757 "Select previous article which has the same subject as current one."
6759 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
6761 (defun gnus-summary-next-unread-same-subject ()
6762 "Select next unread article which has the same subject as current one."
6764 (gnus-summary-next-article t (gnus-summary-article-subject)))
6766 (defun gnus-summary-prev-unread-same-subject ()
6767 "Select previous unread article which has the same subject as current one."
6769 (gnus-summary-prev-article t (gnus-summary-article-subject)))
6771 (defun gnus-summary-first-unread-article ()
6772 "Select the first unread article.
6773 Return nil if there are no unread articles."
6776 (when (gnus-summary-first-subject t)
6777 (gnus-summary-show-thread)
6778 (gnus-summary-first-subject t)
6779 (gnus-summary-display-article (gnus-summary-article-number)))
6780 (gnus-summary-position-point)))
6782 (defun gnus-summary-first-unread-subject ()
6783 "Place the point on the subject line of the first unread article.
6784 Return nil if there are no unread articles."
6787 (when (gnus-summary-first-subject t)
6788 (gnus-summary-show-thread)
6789 (gnus-summary-first-subject t))
6790 (gnus-summary-position-point)))
6792 (defun gnus-summary-first-unseen-subject ()
6793 "Place the point on the subject line of the first unseen article.
6794 Return nil if there are no unseen articles."
6797 (when (gnus-summary-first-subject t t t)
6798 (gnus-summary-show-thread)
6799 (gnus-summary-first-subject t t t))
6800 (gnus-summary-position-point)))
6802 (defun gnus-summary-first-article ()
6803 "Select the first article.
6804 Return nil if there are no articles."
6807 (when (gnus-summary-first-subject)
6808 (gnus-summary-show-thread)
6809 (gnus-summary-first-subject)
6810 (gnus-summary-display-article (gnus-summary-article-number)))
6811 (gnus-summary-position-point)))
6813 (defun gnus-summary-best-unread-article (&optional arg)
6814 "Select the unread article with the highest score.
6815 If given a prefix argument, select the next unread article that has a
6816 score higher than the default score."
6818 (let ((article (if arg
6819 (gnus-summary-better-unread-subject)
6820 (gnus-summary-best-unread-subject))))
6822 (gnus-summary-goto-article article)
6823 (error "No unread articles"))))
6825 (defun gnus-summary-best-unread-subject ()
6826 "Select the unread subject with the highest score."
6828 (let ((best -1000000)
6829 (data gnus-newsgroup-data)
6832 (and (gnus-data-unread-p (car data))
6834 (gnus-summary-article-score (gnus-data-number (car data))))
6837 article (gnus-data-number (car data))))
6838 (setq data (cdr data)))
6840 (gnus-summary-goto-subject article))
6841 (gnus-summary-position-point)
6844 (defun gnus-summary-better-unread-subject ()
6845 "Select the first unread subject that has a score over the default score."
6847 (let ((data gnus-newsgroup-data)
6849 (while (and (setq article (gnus-data-number (car data)))
6850 (or (gnus-data-read-p (car data))
6851 (not (> (gnus-summary-article-score article)
6852 gnus-summary-default-score))))
6853 (setq data (cdr data)))
6855 (gnus-summary-goto-subject article))
6856 (gnus-summary-position-point)
6859 (defun gnus-summary-last-subject ()
6860 "Go to the last displayed subject line in the group."
6861 (let ((article (gnus-data-number (car (gnus-data-list t)))))
6863 (gnus-summary-goto-subject article))))
6865 (defun gnus-summary-goto-article (article &optional all-headers force)
6866 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
6867 If ALL-HEADERS is non-nil, no header lines are hidden.
6868 If FORCE, go to the article even if it isn't displayed. If FORCE
6869 is a number, it is the line the article is to be displayed on."
6873 "Article number or Message-ID: "
6874 (mapcar (lambda (number) (list (int-to-string number)))
6875 gnus-newsgroup-limit))
6879 (if (and (stringp article)
6880 (string-match "@" article))
6881 (gnus-summary-refer-article article)
6882 (when (stringp article)
6883 (setq article (string-to-number article)))
6884 (if (gnus-summary-goto-subject article force)
6885 (gnus-summary-display-article article all-headers)
6886 (gnus-message 4 "Couldn't go to article %s" article) nil))
6887 (gnus-summary-position-point)))
6889 (defun gnus-summary-goto-last-article ()
6890 "Go to the previously read article."
6893 (when gnus-last-article
6894 (gnus-summary-goto-article gnus-last-article nil t))
6895 (gnus-summary-position-point)))
6897 (defun gnus-summary-pop-article (number)
6898 "Pop one article off the history and go to the previous.
6899 NUMBER articles will be popped off."
6902 (setq gnus-newsgroup-history
6903 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
6905 (gnus-summary-goto-article (car to) nil t)
6906 (error "Article history empty")))
6907 (gnus-summary-position-point))
6909 ;; Summary commands and functions for limiting the summary buffer.
6911 (defun gnus-summary-limit-to-articles (n)
6912 "Limit the summary buffer to the next N articles.
6913 If not given a prefix, use the process marked articles instead."
6916 (let ((articles (gnus-summary-work-articles n)))
6917 (setq gnus-newsgroup-processable nil)
6918 (gnus-summary-limit articles))
6919 (gnus-summary-position-point)))
6921 (defun gnus-summary-pop-limit (&optional total)
6922 "Restore the previous limit.
6923 If given a prefix, remove all limits."
6926 (setq gnus-newsgroup-limits
6927 (list (mapcar (lambda (h) (mail-header-number h))
6928 gnus-newsgroup-headers))))
6929 (unless gnus-newsgroup-limits
6930 (error "No limit to pop"))
6932 (gnus-summary-limit nil 'pop)
6933 (gnus-summary-position-point)))
6935 (defun gnus-summary-limit-to-subject (subject &optional header not-matching)
6936 "Limit the summary buffer to articles that have subjects that match a regexp.
6937 If NOT-MATCHING, excluding articles that have subjects that match a regexp."
6939 (list (read-string (if current-prefix-arg
6940 "Exclude subject (regexp): "
6941 "Limit to subject (regexp): "))
6942 nil current-prefix-arg))
6944 (setq header "subject"))
6945 (when (not (equal "" subject))
6947 (let ((articles (gnus-summary-find-matching
6948 (or header "subject") subject 'all nil nil
6951 (error "Found no matches for \"%s\"" subject))
6952 (gnus-summary-limit articles))
6953 (gnus-summary-position-point))))
6955 (defun gnus-summary-limit-to-author (from &optional not-matching)
6956 "Limit the summary buffer to articles that have authors that match a regexp.
6957 If NOT-MATCHING, excluding articles that have authors that match a regexp."
6959 (list (read-string (if current-prefix-arg
6960 "Exclude author (regexp): "
6961 "Limit to author (regexp): "))
6962 current-prefix-arg))
6963 (gnus-summary-limit-to-subject from "from" not-matching))
6965 (defun gnus-summary-limit-to-age (age &optional younger-p)
6966 "Limit the summary buffer to articles that are older than (or equal) AGE days.
6967 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
6968 articles that are younger than AGE days."
6970 (let ((younger current-prefix-arg)
6973 (while (not days-got)
6974 (setq days (if younger
6975 (read-string "Limit to articles within (in days): ")
6976 (read-string "Limit to articles older than (in days): ")))
6977 (when (> (length days) 0)
6978 (setq days (read days)))
6984 (setq younger (not younger))
6985 (setq days (* days -1)))))
6986 (message "Please enter a number.")
6988 (list days younger)))
6990 (let ((data gnus-newsgroup-data)
6991 (cutoff (days-to-time age))
6992 articles d date is-younger)
6993 (while (setq d (pop data))
6994 (when (and (vectorp (gnus-data-header d))
6995 (setq date (mail-header-date (gnus-data-header d))))
6996 (setq is-younger (time-less-p
6997 (time-since (condition-case ()
7004 (push (gnus-data-number d) articles))))
7005 (gnus-summary-limit (nreverse articles)))
7006 (gnus-summary-position-point)))
7008 (defun gnus-summary-limit-to-extra (header regexp &optional not-matching)
7009 "Limit the summary buffer to articles that match an 'extra' header."
7013 (gnus-completing-read
7014 (symbol-name (car gnus-extra-headers))
7015 (if current-prefix-arg
7016 "Exclude extra header:"
7017 "Limit extra header:")
7019 (cons (symbol-name x) x))
7024 (read-string (format "%s header %s (regexp): "
7025 (if current-prefix-arg "Exclude" "Limit to")
7027 current-prefix-arg)))
7028 (when (not (equal "" regexp))
7030 (let ((articles (gnus-summary-find-matching
7031 (cons 'extra header) regexp 'all nil nil
7034 (error "Found no matches for \"%s\"" regexp))
7035 (gnus-summary-limit articles))
7036 (gnus-summary-position-point))))
7038 (defun gnus-summary-limit-to-display-predicate ()
7039 "Limit the summary buffer to the predicated in the `display' group parameter."
7041 (unless gnus-newsgroup-display
7042 (error "There is no `display' group parameter"))
7044 (dolist (number gnus-newsgroup-articles)
7045 (when (funcall gnus-newsgroup-display)
7046 (push number articles)))
7047 (gnus-summary-limit articles))
7048 (gnus-summary-position-point))
7050 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7052 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7054 (defun gnus-summary-limit-to-unread (&optional all)
7055 "Limit the summary buffer to articles that are not marked as read.
7056 If ALL is non-nil, limit strictly to unread articles."
7059 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
7060 (gnus-summary-limit-to-marks
7061 ;; Concat all the marks that say that an article is read and have
7063 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
7064 gnus-killed-mark gnus-kill-file-mark
7065 gnus-low-score-mark gnus-expirable-mark
7066 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
7067 gnus-duplicate-mark gnus-souped-mark)
7070 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
7071 (make-obsolete 'gnus-summary-delete-marked-with
7072 'gnus-summary-limit-exlude-marks)
7074 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
7075 "Exclude articles that are marked with MARKS (e.g. \"DK\").
7076 If REVERSE, limit the summary buffer to articles that are marked
7077 with MARKS. MARKS can either be a string of marks or a list of marks.
7078 Returns how many articles were removed."
7079 (interactive "sMarks: ")
7080 (gnus-summary-limit-to-marks marks t))
7082 (defun gnus-summary-limit-to-marks (marks &optional reverse)
7083 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
7084 If REVERSE (the prefix), limit the summary buffer to articles that are
7085 not marked with MARKS. MARKS can either be a string of marks or a
7087 Returns how many articles were removed."
7088 (interactive "sMarks: \nP")
7090 (let ((data gnus-newsgroup-data)
7091 (marks (if (listp marks) marks
7092 (append marks nil))) ; Transform to list.
7095 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
7096 (memq (gnus-data-mark (car data)) marks))
7097 (push (gnus-data-number (car data)) articles))
7098 (setq data (cdr data)))
7099 (gnus-summary-limit articles))
7100 (gnus-summary-position-point)))
7102 (defun gnus-summary-limit-to-score (score)
7103 "Limit to articles with score at or above SCORE."
7104 (interactive "NLimit to articles with score of at least: ")
7105 (let ((data gnus-newsgroup-data)
7108 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
7110 (push (gnus-data-number (car data)) articles))
7111 (setq data (cdr data)))
7113 (gnus-summary-limit articles)
7114 (gnus-summary-position-point))))
7116 (defun gnus-summary-limit-include-thread (id)
7117 "Display all the hidden articles that is in the thread with ID in it.
7118 When called interactively, ID is the Message-ID of the current
7120 (interactive (list (mail-header-id (gnus-summary-article-header))))
7121 (let ((articles (gnus-articles-in-thread
7122 (gnus-id-to-thread (gnus-root-id id)))))
7124 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
7125 (gnus-summary-limit-include-matching-articles
7127 (regexp-quote (gnus-simplify-subject-re
7128 (mail-header-subject (gnus-id-to-header id)))))
7129 (gnus-summary-position-point))))
7131 (defun gnus-summary-limit-include-matching-articles (header regexp)
7132 "Display all the hidden articles that have HEADERs that match REGEXP."
7133 (interactive (list (read-string "Match on header: ")
7134 (read-string "Regexp: ")))
7135 (let ((articles (gnus-find-matching-articles header regexp)))
7137 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
7138 (gnus-summary-position-point))))
7140 (defun gnus-summary-limit-include-dormant ()
7141 "Display all the hidden articles that are marked as dormant.
7142 Note that this command only works on a subset of the articles currently
7143 fetched for this group."
7145 (unless gnus-newsgroup-dormant
7146 (error "There are no dormant articles in this group"))
7148 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
7149 (gnus-summary-position-point)))
7151 (defun gnus-summary-limit-exclude-dormant ()
7152 "Hide all dormant articles."
7155 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
7156 (gnus-summary-position-point)))
7158 (defun gnus-summary-limit-exclude-childless-dormant ()
7159 "Hide all dormant articles that have no children."
7161 (let ((data (gnus-data-list t))
7162 articles d children)
7163 ;; Find all articles that are either not dormant or have
7165 (while (setq d (pop data))
7166 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
7168 (gnus-article-children (gnus-data-number d)))
7171 (when (memq (car children) articles)
7176 (push (gnus-data-number d) articles)))
7179 (gnus-summary-limit articles)
7180 (gnus-summary-position-point))))
7182 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
7183 "Mark all unread excluded articles as read.
7184 If ALL, mark even excluded ticked and dormants as read."
7186 (let ((articles (gnus-sorted-complement
7188 (mapcar (lambda (h) (mail-header-number h))
7189 gnus-newsgroup-headers)
7191 (sort gnus-newsgroup-limit '<)))
7193 (setq gnus-newsgroup-unreads
7194 (gnus-intersection gnus-newsgroup-unreads gnus-newsgroup-limit))
7196 (setq gnus-newsgroup-dormant nil
7197 gnus-newsgroup-marked nil
7198 gnus-newsgroup-reads
7200 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
7201 gnus-newsgroup-reads))
7202 (while (setq article (pop articles))
7203 (unless (or (memq article gnus-newsgroup-dormant)
7204 (memq article gnus-newsgroup-marked))
7205 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
7207 (defun gnus-summary-limit (articles &optional pop)
7209 ;; We pop the previous limit off the stack and use that.
7210 (setq articles (car gnus-newsgroup-limits)
7211 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
7212 ;; We use the new limit, so we push the old limit on the stack.
7213 (push gnus-newsgroup-limit gnus-newsgroup-limits))
7215 (setq gnus-newsgroup-limit articles)
7216 (let ((total (length gnus-newsgroup-data))
7217 (data (gnus-data-find-list (gnus-summary-article-number)))
7218 (gnus-summary-mark-below nil) ; Inhibit this.
7220 ;; This will do all the work of generating the new summary buffer
7221 ;; according to the new limit.
7222 (gnus-summary-prepare)
7223 ;; Hide any threads, possibly.
7224 (gnus-summary-maybe-hide-threads)
7225 ;; Try to return to the article you were at, or one in the
7228 ;; We try to find some article after the current one.
7230 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
7233 (setq data (cdr data))))
7235 ;; If there is no data, that means that we were after the last
7236 ;; article. The same goes when we can't find any articles
7237 ;; after the current one.
7238 (goto-char (point-max))
7239 (gnus-summary-find-prev))
7240 (gnus-set-mode-line 'summary)
7241 ;; We return how many articles were removed from the summary
7242 ;; buffer as a result of the new limit.
7243 (- total (length gnus-newsgroup-data))))
7245 (defsubst gnus-invisible-cut-children (threads)
7248 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
7253 (defsubst gnus-cut-thread (thread)
7254 "Go forwards in the thread until we find an article that we want to display."
7255 (when (or (eq gnus-fetch-old-headers 'some)
7256 (eq gnus-fetch-old-headers 'invisible)
7257 (numberp gnus-fetch-old-headers)
7258 (eq gnus-build-sparse-threads 'some)
7259 (eq gnus-build-sparse-threads 'more))
7260 ;; Deal with old-fetched headers and sparse threads.
7264 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
7265 (gnus-summary-article-ancient-p
7266 (mail-header-number (car thread))))
7267 (if (or (<= (length (cdr thread)) 1)
7268 (eq gnus-fetch-old-headers 'invisible))
7269 (setq gnus-newsgroup-limit
7270 (delq (mail-header-number (car thread))
7271 gnus-newsgroup-limit)
7272 thread (cadr thread))
7273 (when (gnus-invisible-cut-children (cdr thread))
7274 (let ((th (cdr thread)))
7276 (if (memq (mail-header-number (caar th))
7277 gnus-newsgroup-limit)
7278 (setq thread (car th)
7280 (setq th (cdr th))))))))))
7283 (defun gnus-cut-threads (threads)
7284 "Cut off all uninteresting articles from the beginning of threads."
7285 (when (or (eq gnus-fetch-old-headers 'some)
7286 (eq gnus-fetch-old-headers 'invisible)
7287 (numberp gnus-fetch-old-headers)
7288 (eq gnus-build-sparse-threads 'some)
7289 (eq gnus-build-sparse-threads 'more))
7292 (setcar th (gnus-cut-thread (car th)))
7293 (setq th (cdr th)))))
7294 ;; Remove nixed out threads.
7297 (defun gnus-summary-initial-limit (&optional show-if-empty)
7298 "Figure out what the initial limit is supposed to be on group entry.
7299 This entails weeding out unwanted dormants, low-scored articles,
7300 fetch-old-headers verbiage, and so on."
7301 ;; Most groups have nothing to remove.
7302 (if (or gnus-inhibit-limiting
7303 (and (null gnus-newsgroup-dormant)
7304 (eq gnus-newsgroup-display 'gnus-not-ignore)
7305 (not (eq gnus-fetch-old-headers 'some))
7306 (not (numberp gnus-fetch-old-headers))
7307 (not (eq gnus-fetch-old-headers 'invisible))
7308 (null gnus-summary-expunge-below)
7309 (not (eq gnus-build-sparse-threads 'some))
7310 (not (eq gnus-build-sparse-threads 'more))
7311 (null gnus-thread-expunge-below)
7312 (not gnus-use-nocem)))
7314 (push gnus-newsgroup-limit gnus-newsgroup-limits)
7315 (setq gnus-newsgroup-limit nil)
7318 (unless (car (symbol-value node))
7319 ;; These threads have no parents -- they are roots.
7320 (let ((nodes (cdr (symbol-value node)))
7323 (if (and gnus-thread-expunge-below
7324 (< (gnus-thread-total-score (car nodes))
7325 gnus-thread-expunge-below))
7326 (gnus-expunge-thread (pop nodes))
7327 (setq thread (pop nodes))
7328 (gnus-summary-limit-children thread))))))
7329 gnus-newsgroup-dependencies)
7330 ;; If this limitation resulted in an empty group, we might
7331 ;; pop the previous limit and use it instead.
7332 (when (and (not gnus-newsgroup-limit)
7334 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
7335 gnus-newsgroup-limit))
7337 (defun gnus-summary-limit-children (thread)
7338 "Return 1 if this subthread is visible and 0 if it is not."
7339 ;; First we get the number of visible children to this thread. This
7340 ;; is done by recursing down the thread using this function, so this
7341 ;; will really go down to a leaf article first, before slowly
7342 ;; working its way up towards the root.
7346 (apply '+ (mapcar 'gnus-summary-limit-children
7349 (number (mail-header-number (car thread)))
7352 (not (memq number gnus-newsgroup-marked))
7354 ;; If this article is dormant and has absolutely no visible
7355 ;; children, then this article isn't visible.
7356 (and (memq number gnus-newsgroup-dormant)
7358 ;; If this is "fetch-old-headered" and there is no
7359 ;; visible children, then we don't want this article.
7360 (and (or (eq gnus-fetch-old-headers 'some)
7361 (numberp gnus-fetch-old-headers))
7362 (gnus-summary-article-ancient-p number)
7364 ;; If this is "fetch-old-headered" and `invisible', then
7365 ;; we don't want this article.
7366 (and (eq gnus-fetch-old-headers 'invisible)
7367 (gnus-summary-article-ancient-p number))
7368 ;; If this is a sparsely inserted article with no children,
7369 ;; we don't want it.
7370 (and (eq gnus-build-sparse-threads 'some)
7371 (gnus-summary-article-sparse-p number)
7373 ;; If we use expunging, and this article is really
7374 ;; low-scored, then we don't want this article.
7375 (when (and gnus-summary-expunge-below
7377 (or (cdr (assq number gnus-newsgroup-scored))
7378 gnus-summary-default-score))
7379 gnus-summary-expunge-below))
7380 ;; We increase the expunge-tally here, but that has
7381 ;; nothing to do with the limits, really.
7382 (incf gnus-newsgroup-expunged-tally)
7383 ;; We also mark as read here, if that's wanted.
7384 (when (and gnus-summary-mark-below
7385 (< score gnus-summary-mark-below))
7386 (setq gnus-newsgroup-unreads
7387 (delq number gnus-newsgroup-unreads))
7388 (if gnus-newsgroup-auto-expire
7389 (push number gnus-newsgroup-expirable)
7390 (push (cons number gnus-low-score-mark)
7391 gnus-newsgroup-reads)))
7393 ;; Do the `display' group parameter.
7394 (and gnus-newsgroup-display
7395 (not (funcall gnus-newsgroup-display)))
7396 ;; Check NoCeM things.
7397 (if (and gnus-use-nocem
7398 (gnus-nocem-unwanted-article-p
7399 (mail-header-id (car thread))))
7401 (setq gnus-newsgroup-unreads
7402 (delq number gnus-newsgroup-unreads))
7404 ;; Nope, invisible article.
7406 ;; Ok, this article is to be visible, so we add it to the limit
7408 (push number gnus-newsgroup-limit)
7411 (defun gnus-expunge-thread (thread)
7412 "Mark all articles in THREAD as read."
7413 (let* ((number (mail-header-number (car thread))))
7414 (incf gnus-newsgroup-expunged-tally)
7415 ;; We also mark as read here, if that's wanted.
7416 (setq gnus-newsgroup-unreads
7417 (delq number gnus-newsgroup-unreads))
7418 (if gnus-newsgroup-auto-expire
7419 (push number gnus-newsgroup-expirable)
7420 (push (cons number gnus-low-score-mark)
7421 gnus-newsgroup-reads)))
7422 ;; Go recursively through all subthreads.
7423 (mapcar 'gnus-expunge-thread (cdr thread)))
7425 ;; Summary article oriented commands
7427 (defun gnus-summary-refer-parent-article (n)
7428 "Refer parent article N times.
7429 If N is negative, go to ancestor -N instead.
7430 The difference between N and the number of articles fetched is returned."
7434 (when (not (natnump n))
7439 (setq header (gnus-summary-article-header))
7440 (if (and (eq (mail-header-number header)
7441 (cdr gnus-article-current))
7442 (equal gnus-newsgroup-name
7443 (car gnus-article-current)))
7444 ;; If we try to find the parent of the currently
7445 ;; displayed article, then we take a look at the actual
7446 ;; References header, since this is slightly more
7447 ;; reliable than the References field we got from the
7450 (set-buffer gnus-original-article-buffer)
7451 (nnheader-narrow-to-headers)
7452 (unless (setq ref (message-fetch-field "references"))
7453 (setq ref (message-fetch-field "in-reply-to")))
7456 ;; It's not the current article, so we take a bet on
7457 ;; the value we got from the server.
7458 (mail-header-references header)))
7460 (not (equal ref "")))
7461 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
7462 (gnus-message 1 "Couldn't find parent"))
7463 (gnus-message 1 "No references in article %d"
7464 (gnus-summary-article-number))
7467 (gnus-summary-position-point)
7470 (defun gnus-summary-refer-references ()
7471 "Fetch all articles mentioned in the References header.
7472 Return the number of articles fetched."
7474 (let ((ref (mail-header-references (gnus-summary-article-header)))
7475 (current (gnus-summary-article-number))
7479 (error "No References in the current article")
7480 ;; For each Message-ID in the References header...
7481 (while (string-match "<[^>]*>" ref)
7483 ;; ... fetch that article.
7484 (gnus-summary-refer-article
7485 (prog1 (match-string 0 ref)
7486 (setq ref (substring ref (match-end 0))))))
7487 (gnus-summary-goto-subject current)
7488 (gnus-summary-position-point)
7491 (defun gnus-summary-refer-thread (&optional limit)
7492 "Fetch all articles in the current thread.
7493 If LIMIT (the numerical prefix), fetch that many old headers instead
7494 of what's specified by the `gnus-refer-thread-limit' variable."
7496 (let ((id (mail-header-id (gnus-summary-article-header)))
7497 (limit (if limit (prefix-numeric-value limit)
7498 gnus-refer-thread-limit)))
7499 ;; We want to fetch LIMIT *old* headers, but we also have to
7500 ;; re-fetch all the headers in the current buffer, because many of
7501 ;; them may be undisplayed. So we adjust LIMIT.
7502 (when (numberp limit)
7503 (incf limit (- gnus-newsgroup-end gnus-newsgroup-begin)))
7504 (unless (eq gnus-fetch-old-headers 'invisible)
7505 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
7506 ;; Retrieve the headers and read them in.
7507 (if (eq (gnus-retrieve-headers
7508 (list gnus-newsgroup-end) gnus-newsgroup-name limit)
7510 (gnus-build-all-threads)
7511 (error "Can't fetch thread from backends that don't support NOV"))
7512 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
7513 (gnus-summary-limit-include-thread id)))
7515 (defun gnus-summary-refer-article (message-id)
7516 "Fetch an article specified by MESSAGE-ID."
7517 (interactive "sMessage-ID: ")
7518 (when (and (stringp message-id)
7519 (not (zerop (length message-id))))
7520 ;; Construct the correct Message-ID if necessary.
7521 ;; Suggested by tale@pawl.rpi.edu.
7522 (unless (string-match "^<" message-id)
7523 (setq message-id (concat "<" message-id)))
7524 (unless (string-match ">$" message-id)
7525 (setq message-id (concat message-id ">")))
7526 (let* ((header (gnus-id-to-header message-id))
7528 (gnus-summary-article-sparse-p
7529 (mail-header-number header))
7530 (memq (mail-header-number header)
7531 gnus-newsgroup-limit)))
7534 ;; If the article is present in the buffer we just go to it.
7536 (or (not (gnus-summary-article-sparse-p
7537 (mail-header-number header)))
7540 (gnus-summary-goto-article
7541 (mail-header-number header) nil t)
7543 (gnus-summary-update-article (mail-header-number header)))))
7545 ;; We fetch the article.
7547 (dolist (gnus-override-method (gnus-refer-article-methods))
7548 (gnus-check-server gnus-override-method)
7549 ;; Fetch the header, and display the article.
7550 (when (setq number (gnus-summary-insert-subject message-id))
7551 (gnus-summary-select-article nil nil nil number)
7553 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
7555 (defun gnus-refer-article-methods ()
7556 "Return a list of referrable methods."
7558 ;; No method, so we default to current and native.
7559 ((null gnus-refer-article-method)
7560 (list gnus-current-select-method gnus-select-method))
7562 ((eq 'current gnus-refer-article-method)
7563 (list gnus-current-select-method))
7564 ;; List of select methods.
7565 ((not (and (symbolp (car gnus-refer-article-method))
7566 (assq (car gnus-refer-article-method) nnoo-definition-alist)))
7568 (dolist (method gnus-refer-article-method)
7569 (push (if (eq 'current method)
7570 gnus-current-select-method
7574 ;; One single select method.
7576 (list gnus-refer-article-method))))
7578 (defun gnus-summary-edit-parameters ()
7579 "Edit the group parameters of the current group."
7581 (gnus-group-edit-group gnus-newsgroup-name 'params))
7583 (defun gnus-summary-customize-parameters ()
7584 "Customize the group parameters of the current group."
7586 (gnus-group-customize gnus-newsgroup-name))
7588 (defun gnus-summary-enter-digest-group (&optional force)
7589 "Enter an nndoc group based on the current article.
7590 If FORCE, force a digest interpretation. If not, try
7591 to guess what the document format is."
7593 (let ((conf gnus-current-window-configuration))
7595 (gnus-summary-select-article))
7596 (setq gnus-current-window-configuration conf)
7597 (let* ((name (format "%s-%d"
7598 (gnus-group-prefixed-name
7599 gnus-newsgroup-name (list 'nndoc ""))
7601 (set-buffer gnus-summary-buffer)
7602 gnus-current-article)))
7603 (ogroup gnus-newsgroup-name)
7604 (params (append (gnus-info-params (gnus-get-info ogroup))
7605 (list (cons 'to-group ogroup))
7606 (list (cons 'save-article-group ogroup))))
7607 (case-fold-search t)
7608 (buf (current-buffer))
7611 (set-buffer gnus-original-article-buffer)
7612 ;; Have the digest group inherit the main mail address of
7613 ;; the parent article.
7614 (when (setq to-address (or (message-fetch-field "reply-to")
7615 (message-fetch-field "from")))
7616 (setq params (append
7617 (list (cons 'to-address
7618 (funcall gnus-decode-encoded-word-function
7620 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
7621 (insert-buffer-substring gnus-original-article-buffer)
7622 ;; Remove lines that may lead nndoc to misinterpret the
7625 (goto-char (point-min))
7626 (or (search-forward "\n\n" nil t) (point)))
7627 (goto-char (point-min))
7628 (delete-matching-lines "^Path:\\|^From ")
7631 (if (let ((gnus-newsgroup-ephemeral-charset gnus-newsgroup-charset)
7632 (gnus-newsgroup-ephemeral-ignored-charsets
7633 gnus-newsgroup-ignored-charsets))
7634 (gnus-group-read-ephemeral-group
7635 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
7637 ,(if force 'mbox 'guess))) t))
7638 ;; Make all postings to this group go to the parent group.
7639 (nconc (gnus-info-params (gnus-get-info name))
7641 ;; Couldn't select this doc group.
7642 (switch-to-buffer buf)
7643 (gnus-set-global-variables)
7644 (gnus-configure-windows 'summary)
7645 (gnus-message 3 "Article couldn't be entered?"))
7646 (kill-buffer dig)))))
7648 (defun gnus-summary-read-document (n)
7649 "Open a new group based on the current article(s).
7650 This will allow you to read digests and other similar
7651 documents as newsgroups.
7652 Obeys the standard process/prefix convention."
7654 (let* ((articles (gnus-summary-work-articles n))
7655 (ogroup gnus-newsgroup-name)
7656 (params (append (gnus-info-params (gnus-get-info ogroup))
7657 (list (cons 'to-group ogroup))))
7658 article group egroup groups vgroup)
7659 (while (setq article (pop articles))
7660 (setq group (format "%s-%d" gnus-newsgroup-name article))
7661 (gnus-summary-remove-process-mark article)
7662 (when (gnus-summary-display-article article)
7665 (insert-buffer-substring gnus-original-article-buffer)
7666 ;; Remove some headers that may lead nndoc to make
7668 (message-narrow-to-head)
7669 (goto-char (point-min))
7670 (delete-matching-lines "^\\(Path\\):\\|^From ")
7673 (gnus-group-read-ephemeral-group
7674 group `(nndoc ,group (nndoc-address ,(current-buffer))
7675 (nndoc-article-type guess))
7678 ;; Make all postings to this group go to the parent group.
7679 (nconc (gnus-info-params (gnus-get-info egroup))
7681 (push egroup groups))
7682 ;; Couldn't select this doc group.
7683 (gnus-error 3 "Article couldn't be entered"))))))
7684 ;; Now we have selected all the documents.
7687 (error "None of the articles could be interpreted as documents"))
7688 ((gnus-group-read-ephemeral-group
7689 (setq vgroup (format
7690 "nnvirtual:%s-%s" gnus-newsgroup-name
7691 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
7692 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
7694 (cons (current-buffer) 'summary)))
7696 (error "Couldn't select virtual nndoc group")))))
7698 (defun gnus-summary-isearch-article (&optional regexp-p)
7699 "Do incremental search forward on the current article.
7700 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
7702 (gnus-summary-select-article)
7703 (gnus-configure-windows 'article)
7704 (gnus-eval-in-buffer-window gnus-article-buffer
7707 (isearch-forward regexp-p))))
7709 (defun gnus-summary-search-article-forward (regexp &optional backward)
7710 "Search for an article containing REGEXP forward.
7711 If BACKWARD, search backward instead."
7714 (format "Search article %s (regexp%s): "
7715 (if current-prefix-arg "backward" "forward")
7716 (if gnus-last-search-regexp
7717 (concat ", default " gnus-last-search-regexp)
7719 current-prefix-arg))
7720 (if (string-equal regexp "")
7721 (setq regexp (or gnus-last-search-regexp ""))
7722 (setq gnus-last-search-regexp regexp)
7723 (setq gnus-article-before-search gnus-current-article))
7724 ;; Intentionally set gnus-last-article.
7725 (setq gnus-last-article gnus-article-before-search)
7726 (let ((gnus-last-article gnus-last-article))
7727 (if (gnus-summary-search-article regexp backward)
7728 (gnus-summary-show-thread)
7729 (error "Search failed: \"%s\"" regexp))))
7731 (defun gnus-summary-search-article-backward (regexp)
7732 "Search for an article containing REGEXP backward."
7735 (format "Search article backward (regexp%s): "
7736 (if gnus-last-search-regexp
7737 (concat ", default " gnus-last-search-regexp)
7739 (gnus-summary-search-article-forward regexp 'backward))
7741 (defun gnus-summary-search-article (regexp &optional backward)
7742 "Search for an article containing REGEXP.
7743 Optional argument BACKWARD means do search for backward.
7744 `gnus-select-article-hook' is not called during the search."
7745 ;; We have to require this here to make sure that the following
7746 ;; dynamic binding isn't shadowed by autoloading.
7747 (require 'gnus-async)
7749 (let ((gnus-select-article-hook nil) ;Disable hook.
7750 (gnus-article-prepare-hook nil)
7751 (gnus-mark-article-hook nil) ;Inhibit marking as read.
7752 (gnus-use-article-prefetch nil)
7753 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
7754 (gnus-use-trees nil) ;Inhibit updating tree buffer.
7755 (sum (current-buffer))
7756 (gnus-display-mime-function nil)
7759 (gnus-save-hidden-threads
7760 (gnus-summary-select-article)
7761 (set-buffer gnus-article-buffer)
7762 (goto-char (window-point (get-buffer-window (current-buffer))))
7766 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
7768 (re-search-backward regexp nil t)
7769 (re-search-forward regexp nil t))
7770 ;; We found the regexp.
7775 (get-buffer-window (current-buffer))
7779 (get-buffer-window (current-buffer))
7782 (setq point (point)))
7783 ;; We didn't find it, so we go to the next article.
7786 (while (eq found 'not)
7787 (if (not (if backward (gnus-summary-find-prev)
7788 (gnus-summary-find-next)))
7789 ;; No more articles.
7791 ;; Select the next article and adjust point.
7792 (unless (gnus-summary-article-sparse-p
7793 (gnus-summary-article-number))
7795 (gnus-summary-select-article)
7796 (set-buffer gnus-article-buffer)
7798 (goto-char (if backward (point-max) (point-min))))))))
7799 (gnus-message 7 ""))
7800 ;; Return whether we found the regexp.
7801 (when (eq found 'found)
7803 (gnus-summary-show-thread)
7804 (gnus-summary-goto-subject gnus-current-article)
7805 (gnus-summary-position-point)
7808 (defun gnus-find-matching-articles (header regexp)
7809 "Return a list of all articles that match REGEXP on HEADER.
7810 This search includes all articles in the current group that Gnus has
7811 fetched headers for, whether they are displayed or not."
7812 (let ((articles nil)
7813 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
7814 (case-fold-search t))
7815 (dolist (header gnus-newsgroup-headers)
7816 (when (string-match regexp (funcall func header))
7817 (push (mail-header-number header) articles)))
7818 (nreverse articles)))
7820 (defun gnus-summary-find-matching (header regexp &optional backward unread
7821 not-case-fold not-matching)
7822 "Return a list of all articles that match REGEXP on HEADER.
7823 The search stars on the current article and goes forwards unless
7824 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
7825 If UNREAD is non-nil, only unread articles will
7826 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
7827 in the comparisons. If NOT-MATCHING, return a list of all articles that
7828 not match REGEXP on HEADER."
7829 (let ((case-fold-search (not not-case-fold))
7832 (if (eq (car header) 'extra)
7835 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
7837 (error "%s is an invalid header" header))
7838 (unless (fboundp (intern (concat "mail-header-" header)))
7839 (error "%s is not a valid header" header))
7840 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
7841 (dolist (d (if (eq backward 'all)
7843 (gnus-data-find-list
7844 (gnus-summary-article-number)
7845 (gnus-data-list backward))))
7846 (when (and (or (not unread) ; We want all articles...
7847 (gnus-data-unread-p d)) ; Or just unreads.
7848 (vectorp (gnus-data-header d)) ; It's not a pseudo.
7852 (funcall func (gnus-data-header d))))
7853 (string-match regexp
7854 (funcall func (gnus-data-header d)))))
7855 (push (gnus-data-number d) articles))) ; Success!
7856 (nreverse articles)))
7858 (defun gnus-summary-execute-command (header regexp command &optional backward)
7859 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
7860 If HEADER is an empty string (or nil), the match is done on the entire
7861 article. If BACKWARD (the prefix) is non-nil, search backward instead."
7863 (list (let ((completion-ignore-case t))
7866 (mapcar (lambda (header) (list (format "%s" header)))
7868 '("Number" "Subject" "From" "Lines" "Date"
7869 "Message-ID" "Xref" "References" "Body")
7870 gnus-extra-headers))
7871 nil 'require-match))
7872 (read-string "Regexp: ")
7873 (read-key-sequence "Command: ")
7874 current-prefix-arg))
7875 (when (equal header "Body")
7877 ;; Hidden thread subtrees must be searched as well.
7878 (gnus-summary-show-all-threads)
7879 ;; We don't want to change current point nor window configuration.
7881 (save-window-excursion
7882 (gnus-message 6 "Executing %s..." (key-description command))
7883 ;; We'd like to execute COMMAND interactively so as to give arguments.
7884 (gnus-execute header regexp
7885 `(call-interactively ',(key-binding command))
7887 (gnus-message 6 "Executing %s...done" (key-description command)))))
7889 (defun gnus-summary-beginning-of-article ()
7890 "Scroll the article back to the beginning."
7892 (gnus-summary-select-article)
7893 (gnus-configure-windows 'article)
7894 (gnus-eval-in-buffer-window gnus-article-buffer
7896 (goto-char (point-min))
7897 (when gnus-page-broken
7898 (gnus-narrow-to-page))))
7900 (defun gnus-summary-end-of-article ()
7901 "Scroll to the end of the article."
7903 (gnus-summary-select-article)
7904 (gnus-configure-windows 'article)
7905 (gnus-eval-in-buffer-window gnus-article-buffer
7907 (goto-char (point-max))
7909 (when gnus-page-broken
7910 (gnus-narrow-to-page))))
7912 (defun gnus-summary-print-truncate-and-quote (string &optional len)
7913 "Truncate to LEN and quote all \"(\"'s in STRING."
7914 (gnus-replace-in-string (if (and len (> (length string) len))
7915 (substring string 0 len)
7919 (defun gnus-summary-print-article (&optional filename n)
7920 "Generate and print a PostScript image of the N next (mail) articles.
7922 If N is negative, print the N previous articles. If N is nil and articles
7923 have been marked with the process mark, print these instead.
7925 If the optional first argument FILENAME is nil, send the image to the
7926 printer. If FILENAME is a string, save the PostScript image in a file with
7927 that name. If FILENAME is a number, prompt the user for the name of the file
7929 (interactive (list (ps-print-preprint current-prefix-arg)))
7930 (dolist (article (gnus-summary-work-articles n))
7931 (gnus-summary-select-article nil nil 'pseudo article)
7932 (gnus-eval-in-buffer-window gnus-article-buffer
7933 (gnus-print-buffer))
7934 (gnus-summary-remove-process-mark article))
7935 (ps-despool filename))
7937 (defun gnus-print-buffer ()
7938 (let ((buffer (generate-new-buffer " *print*")))
7941 (copy-to-buffer buffer (point-min) (point-max))
7943 (gnus-article-delete-invisible-text)
7944 (when (gnus-visual-p 'article-highlight 'highlight)
7945 ;; Copy-to-buffer doesn't copy overlay. So redo
7947 (let ((gnus-article-buffer buffer))
7948 (gnus-article-highlight-citation t)
7949 (gnus-article-highlight-signature)))
7950 (let ((ps-left-header
7953 (gnus-summary-print-truncate-and-quote
7954 (mail-header-subject gnus-current-headers)
7957 (gnus-summary-print-truncate-and-quote
7958 (mail-header-from gnus-current-headers)
7962 "/pagenumberstring load"
7964 (mail-header-date gnus-current-headers) ")"))))
7965 (gnus-run-hooks 'gnus-ps-print-hook)
7968 (ps-spool-buffer-with-faces)
7969 (ps-spool-buffer)))))
7970 (kill-buffer buffer))))
7972 (defun gnus-summary-show-article (&optional arg)
7973 "Force redisplaying of the current article.
7974 If ARG (the prefix) is a number, show the article with the charset
7975 defined in `gnus-summary-show-article-charset-alist', or the charset
7977 If ARG (the prefix) is non-nil and not a number, show the raw article
7978 without any article massaging functions being run. Normally, the key strokes
7983 (gnus-summary-show-article t)
7984 (let ((gnus-newsgroup-charset
7985 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
7986 (mm-read-coding-system
7989 (set-buffer gnus-article-buffer)
7990 (let ((coding-systems
7991 (detect-coding-region (point) (point-max))))
7992 (or (car-safe coding-systems)
7993 coding-systems))))))
7994 (gnus-newsgroup-ignored-charsets 'gnus-all))
7995 (gnus-summary-select-article nil 'force)
7996 (let ((deps gnus-newsgroup-dependencies)
7999 (set-buffer gnus-original-article-buffer)
8001 (message-narrow-to-head)
8002 (setq head (buffer-string))
8003 (goto-char (point-min))
8004 (unless (re-search-forward "^lines:[ \t]\\([0-9]+\\)" nil t)
8005 (goto-char (point-max))
8007 (setq lines (1- (count-lines (point) (point-max))))))
8009 (insert (format "211 %d Article retrieved.\n"
8010 (cdr gnus-article-current)))
8012 (if lines (insert (format "Lines: %d\n" lines)))
8014 (let ((nntp-server-buffer (current-buffer)))
8015 (setq header (car (gnus-get-newsgroup-headers deps t))))))
8016 (gnus-data-set-header
8017 (gnus-data-find (cdr gnus-article-current))
8019 (gnus-summary-update-article-line
8020 (cdr gnus-article-current) header)
8021 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
8022 (gnus-summary-update-secondary-mark (cdr gnus-article-current))))))
8024 ;; Select the article the normal way.
8025 (gnus-summary-select-article nil 'force))
8027 ;; We have to require this here to make sure that the following
8028 ;; dynamic binding isn't shadowed by autoloading.
8029 (require 'gnus-async)
8031 ;; Bind the article treatment functions to nil.
8032 (let ((gnus-have-all-headers t)
8033 gnus-article-prepare-hook
8034 gnus-article-decode-hook
8035 gnus-display-mime-function
8037 ;; Destroy any MIME parts.
8038 (when (gnus-buffer-live-p gnus-article-buffer)
8040 (set-buffer gnus-article-buffer)
8041 (mm-destroy-parts gnus-article-mime-handles)
8042 ;; Set it to nil for safety reason.
8043 (setq gnus-article-mime-handle-alist nil)
8044 (setq gnus-article-mime-handles nil)))
8045 (gnus-summary-select-article nil 'force))))
8046 (gnus-summary-goto-subject gnus-current-article)
8047 (gnus-summary-position-point))
8049 (defun gnus-summary-show-raw-article ()
8050 "Show the raw article without any article massaging functions being run."
8052 (gnus-summary-show-article t))
8054 (defun gnus-summary-verbose-headers (&optional arg)
8055 "Toggle permanent full header display.
8056 If ARG is a positive number, turn header display on.
8057 If ARG is a negative number, turn header display off."
8059 (setq gnus-show-all-headers
8060 (cond ((or (not (numberp arg))
8062 (not gnus-show-all-headers))
8065 (gnus-summary-show-article))
8067 (defun gnus-summary-toggle-header (&optional arg)
8068 "Show the headers if they are hidden, or hide them if they are shown.
8069 If ARG is a positive number, show the entire header.
8070 If ARG is a negative number, hide the unwanted header lines."
8073 (set-buffer gnus-article-buffer)
8075 (let* ((buffer-read-only nil)
8076 (inhibit-point-motion-hooks t)
8082 (article-narrow-to-head)
8083 (gnus-article-hidden-text-p 'headers))))
8084 (goto-char (point-min))
8085 (when (search-forward "\n\n" nil t)
8086 (delete-region (point-min) (1- (point))))
8087 (goto-char (point-min))
8089 (set-buffer gnus-original-article-buffer)
8090 (goto-char (point-min))
8091 (setq e (1- (or (search-forward "\n\n" nil t) (point-max)))))
8092 (insert-buffer-substring gnus-original-article-buffer 1 e)
8094 (narrow-to-region (point-min) (point))
8095 (article-decode-encoded-words)
8097 (let ((gnus-treat-hide-headers nil)
8098 (gnus-treat-hide-boring-headers nil))
8099 (gnus-delete-wash-type 'headers)
8100 (gnus-treat-article 'head))
8101 (gnus-treat-article 'head)))
8102 (gnus-set-mode-line 'article)))))
8104 (defun gnus-summary-show-all-headers ()
8105 "Make all header lines visible."
8107 (gnus-summary-toggle-header 1))
8109 (defun gnus-summary-caesar-message (&optional arg)
8110 "Caesar rotate the current article by 13.
8111 The numerical prefix specifies how many places to rotate each letter
8114 (gnus-summary-select-article)
8115 (let ((mail-header-separator ""))
8116 (gnus-eval-in-buffer-window gnus-article-buffer
8119 (let ((start (window-start))
8121 (message-caesar-buffer-body arg)
8122 (set-window-start (get-buffer-window (current-buffer)) start))))))
8124 (defun gnus-summary-stop-page-breaking ()
8125 "Stop page breaking in the current article."
8127 (gnus-summary-select-article)
8128 (gnus-eval-in-buffer-window gnus-article-buffer
8130 (when (gnus-visual-p 'page-marker)
8131 (let ((buffer-read-only nil))
8132 (gnus-remove-text-with-property 'gnus-prev)
8133 (gnus-remove-text-with-property 'gnus-next))
8134 (setq gnus-page-broken nil))))
8136 (defun gnus-summary-move-article (&optional n to-newsgroup
8137 select-method action)
8138 "Move the current article to a different newsgroup.
8139 If N is a positive number, move the N next articles.
8140 If N is a negative number, move the N previous articles.
8141 If N is nil and any articles have been marked with the process mark,
8142 move those articles instead.
8143 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
8144 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
8145 re-spool using this method.
8147 For this function to work, both the current newsgroup and the
8148 newsgroup that you want to move to have to support the `request-move'
8149 and `request-accept' functions.
8151 ACTION can be either `move' (the default), `crosspost' or `copy'."
8154 (setq action 'move))
8155 ;; Check whether the source group supports the required functions.
8156 (cond ((and (eq action 'move)
8157 (not (gnus-check-backend-function
8158 'request-move-article gnus-newsgroup-name)))
8159 (error "The current group does not support article moving"))
8160 ((and (eq action 'crosspost)
8161 (not (gnus-check-backend-function
8162 'request-replace-article gnus-newsgroup-name)))
8163 (error "The current group does not support article editing")))
8164 (let ((articles (gnus-summary-work-articles n))
8165 (prefix (if (gnus-check-backend-function
8166 'request-move-article gnus-newsgroup-name)
8167 (gnus-group-real-prefix gnus-newsgroup-name)
8169 (names '((move "Move" "Moving")
8170 (copy "Copy" "Copying")
8171 (crosspost "Crosspost" "Crossposting")))
8172 (copy-buf (save-excursion
8173 (nnheader-set-temp-buffer " *copy article*")))
8174 art-group to-method new-xref article to-groups)
8175 (unless (assq action names)
8176 (error "Unknown action %s" action))
8177 ;; We have to select an article to give
8178 ;; `gnus-read-move-group-name' an opportunity to suggest an
8179 ;; appropriate default.
8180 (unless (gnus-buffer-live-p gnus-original-article-buffer)
8181 (gnus-summary-select-article nil nil nil (car articles)))
8182 ;; Read the newsgroup name.
8183 (when (and (not to-newsgroup)
8184 (not select-method))
8186 (gnus-read-move-group-name
8187 (cadr (assq action names))
8188 (symbol-value (intern (format "gnus-current-%s-group" action)))
8190 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
8191 (setq to-method (or select-method
8192 (gnus-server-to-method
8193 (gnus-group-method to-newsgroup))))
8194 ;; Check the method we are to move this article to...
8195 (unless (gnus-check-backend-function
8196 'request-accept-article (car to-method))
8197 (error "%s does not support article copying" (car to-method)))
8198 (unless (gnus-check-server to-method)
8199 (error "Can't open server %s" (car to-method)))
8200 (gnus-message 6 "%s to %s: %s..."
8201 (caddr (assq action names))
8202 (or (car select-method) to-newsgroup) articles)
8204 (setq article (pop articles))
8208 ;; Move the article.
8210 ;; Remove this article from future suppression.
8211 (gnus-dup-unsuppress-article article)
8212 (gnus-request-move-article
8213 article ; Article to move
8214 gnus-newsgroup-name ; From newsgroup
8215 (nth 1 (gnus-find-method-for-group
8216 gnus-newsgroup-name)) ; Server
8217 (list 'gnus-request-accept-article
8218 to-newsgroup (list 'quote select-method)
8219 (not articles) t) ; Accept form
8220 (not articles))) ; Only save nov last time
8221 ;; Copy the article.
8224 (set-buffer copy-buf)
8225 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
8226 (gnus-request-accept-article
8227 to-newsgroup select-method (not articles) t))))
8228 ;; Crosspost the article.
8229 ((eq action 'crosspost)
8230 (let ((xref (message-tokenize-header
8231 (mail-header-xref (gnus-summary-article-header article))
8233 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
8234 ":" (number-to-string article)))
8236 (setq xref (list (system-name))))
8239 (mapconcat 'identity
8240 (delete "Xref:" (delete new-xref xref))
8244 (set-buffer copy-buf)
8245 ;; First put the article in the destination group.
8246 (gnus-request-article-this-buffer article gnus-newsgroup-name)
8247 (when (consp (setq art-group
8248 (gnus-request-accept-article
8249 to-newsgroup select-method (not articles))))
8250 (setq new-xref (concat new-xref " " (car art-group)
8252 (number-to-string (cdr art-group))))
8253 ;; Now we have the new Xrefs header, so we insert
8254 ;; it and replace the new article.
8255 (nnheader-replace-header "Xref" new-xref)
8256 (gnus-request-replace-article
8257 (cdr art-group) to-newsgroup (current-buffer))
8261 (gnus-message 1 "Couldn't %s article %s: %s"
8262 (cadr (assq action names)) article
8263 (nnheader-get-report (car to-method))))
8264 ((eq art-group 'junk)
8265 (when (eq action 'move)
8266 (gnus-summary-mark-article article gnus-canceled-mark)
8267 (gnus-message 4 "Deleted article %s" article)))
8269 (let* ((pto-group (gnus-group-prefixed-name
8270 (car art-group) to-method))
8272 (gnus-gethash pto-group gnus-newsrc-hashtb))
8273 (info (nth 2 entry))
8274 (to-group (gnus-info-group info))
8276 ;; Update the group that has been moved to.
8278 (memq action '(move copy)))
8279 (unless (member to-group to-groups)
8280 (push to-group to-groups))
8282 (unless (memq article gnus-newsgroup-unreads)
8283 (push 'read to-marks)
8285 info (gnus-add-to-range (gnus-info-read info)
8286 (list (cdr art-group)))))
8288 ;; See whether the article is to be put in the cache.
8289 (let ((marks gnus-article-mark-lists)
8290 (to-article (cdr art-group)))
8292 ;; Enter the article into the cache in the new group,
8293 ;; if that is required.
8294 (when gnus-use-cache
8295 (gnus-cache-possibly-enter-article
8297 (memq article gnus-newsgroup-marked)
8298 (memq article gnus-newsgroup-dormant)
8299 (memq article gnus-newsgroup-unreads)))
8301 (when gnus-preserve-marks
8302 ;; Copy any marks over to the new group.
8303 (when (and (equal to-group gnus-newsgroup-name)
8304 (not (memq article gnus-newsgroup-unreads)))
8305 ;; Mark this article as read in this group.
8306 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
8307 (setcdr (gnus-active to-group) to-article)
8308 (setcdr gnus-newsgroup-active to-article))
8311 (when (eq (gnus-article-mark-to-type (cdar marks)) 'list)
8312 (when (memq article (symbol-value
8313 (intern (format "gnus-newsgroup-%s"
8315 (push (cdar marks) to-marks)
8316 ;; If the other group is the same as this group,
8317 ;; then we have to add the mark to the list.
8318 (when (equal to-group gnus-newsgroup-name)
8319 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
8322 (intern (format "gnus-newsgroup-%s"
8324 ;; Copy the marks to other group.
8325 (gnus-add-marked-articles
8326 to-group (cdar marks) (list to-article) info)))
8327 (setq marks (cdr marks)))
8329 (gnus-request-set-mark to-group (list (list (list to-article)
8334 (concat "(gnus-group-set-info '"
8335 (gnus-prin1-to-string (gnus-get-info to-group))
8338 ;; Update the Xref header in this article to point to
8339 ;; the new crossposted article we have just created.
8340 (when (eq action 'crosspost)
8342 (set-buffer copy-buf)
8343 (gnus-request-article-this-buffer article gnus-newsgroup-name)
8344 (nnheader-replace-header "Xref" new-xref)
8345 (gnus-request-replace-article
8346 article gnus-newsgroup-name (current-buffer)))))
8348 ;;;!!!Why is this necessary?
8349 (set-buffer gnus-summary-buffer)
8351 (gnus-summary-goto-subject article)
8352 (when (eq action 'move)
8353 (gnus-summary-mark-article article gnus-canceled-mark))))
8354 (gnus-summary-remove-process-mark article))
8355 ;; Re-activate all groups that have been moved to.
8357 (set-buffer gnus-group-buffer)
8358 (let ((gnus-group-marked to-groups))
8359 (gnus-group-get-new-news-this-group nil t)))
8361 (gnus-kill-buffer copy-buf)
8362 (gnus-summary-position-point)
8363 (gnus-set-mode-line 'summary)))
8365 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
8366 "Move the current article to a different newsgroup.
8367 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
8368 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
8369 re-spool using this method."
8371 (gnus-summary-move-article n to-newsgroup select-method 'copy))
8373 (defun gnus-summary-crosspost-article (&optional n)
8374 "Crosspost the current article to some other group."
8376 (gnus-summary-move-article n nil nil 'crosspost))
8378 (defcustom gnus-summary-respool-default-method nil
8379 "Default method type for respooling an article.
8380 If nil, use to the current newsgroup method."
8382 :group 'gnus-summary-mail)
8384 (defun gnus-summary-respool-article (&optional n method)
8385 "Respool the current article.
8386 The article will be squeezed through the mail spooling process again,
8387 which means that it will be put in some mail newsgroup or other
8388 depending on `nnmail-split-methods'.
8389 If N is a positive number, respool the N next articles.
8390 If N is a negative number, respool the N previous articles.
8391 If N is nil and any articles have been marked with the process mark,
8392 respool those articles instead.
8394 Respooling can be done both from mail groups and \"real\" newsgroups.
8395 In the former case, the articles in question will be moved from the
8396 current group into whatever groups they are destined to. In the
8397 latter case, they will be copied into the relevant groups."
8399 (list current-prefix-arg
8400 (let* ((methods (gnus-methods-using 'respool))
8402 (symbol-name (or gnus-summary-respool-default-method
8403 (car (gnus-find-method-for-group
8404 gnus-newsgroup-name)))))
8406 (gnus-completing-read
8407 methname "What backend do you want to use when respooling?"
8408 methods nil t nil 'gnus-mail-method-history))
8411 ((zerop (length (setq ms (gnus-servers-using-backend
8413 (list (intern method) ""))
8417 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
8418 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
8421 (error "No method given for respooling"))
8422 (if (assoc (symbol-name
8423 (car (gnus-find-method-for-group gnus-newsgroup-name)))
8424 (gnus-methods-using 'respool))
8425 (gnus-summary-move-article n nil method)
8426 (gnus-summary-copy-article n nil method)))
8428 (defun gnus-summary-import-article (file &optional edit)
8429 "Import an arbitrary file into a mail newsgroup."
8430 (interactive "fImport file: \nP")
8431 (let ((group gnus-newsgroup-name)
8432 (now (current-time))
8433 atts lines group-art)
8434 (unless (gnus-check-backend-function 'request-accept-article group)
8435 (error "%s does not support article importing" group))
8436 (or (file-readable-p file)
8437 (not (file-regular-p file))
8438 (error "Can't read %s" file))
8440 (set-buffer (gnus-get-buffer-create " *import file*"))
8442 (nnheader-insert-file-contents file)
8443 (goto-char (point-min))
8444 (if (nnheader-article-p)
8446 (goto-char (point-min))
8447 (search-forward "\n\n" nil t)
8448 (narrow-to-region (point-min) (1- (point)))
8449 (goto-char (point-min))
8450 (unless (re-search-forward "^date:" nil t)
8451 (goto-char (point-max))
8452 (insert "Date: " (message-make-date (nth 5 atts)) "\n")))
8453 ;; This doesn't look like an article, so we fudge some headers.
8454 (setq atts (file-attributes file)
8455 lines (count-lines (point-min) (point-max)))
8456 (insert "From: " (read-string "From: ") "\n"
8457 "Subject: " (read-string "Subject: ") "\n"
8458 "Date: " (message-make-date (nth 5 atts)) "\n"
8459 "Message-ID: " (message-make-message-id) "\n"
8460 "Lines: " (int-to-string lines) "\n"
8461 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
8462 (setq group-art (gnus-request-accept-article group nil t))
8463 (kill-buffer (current-buffer)))
8464 (setq gnus-newsgroup-active (gnus-activate-group group))
8466 (gnus-summary-goto-article (cdr group-art) nil t)
8468 (gnus-summary-edit-article))))
8470 (defun gnus-summary-create-article ()
8471 "Create an article in a mail newsgroup."
8473 (let ((group gnus-newsgroup-name)
8474 (now (current-time))
8476 (unless (gnus-check-backend-function 'request-accept-article group)
8477 (error "%s does not support article importing" group))
8479 (set-buffer (gnus-get-buffer-create " *import file*"))
8481 (goto-char (point-min))
8482 ;; This doesn't look like an article, so we fudge some headers.
8483 (insert "From: " (read-string "From: ") "\n"
8484 "Subject: " (read-string "Subject: ") "\n"
8485 "Date: " (message-make-date now) "\n"
8486 "Message-ID: " (message-make-message-id) "\n")
8487 (setq group-art (gnus-request-accept-article group nil t))
8488 (kill-buffer (current-buffer)))
8489 (setq gnus-newsgroup-active (gnus-activate-group group))
8491 (gnus-summary-goto-article (cdr group-art) nil t)
8492 (gnus-summary-edit-article)))
8494 (defun gnus-summary-article-posted-p ()
8495 "Say whether the current (mail) article is available from news as well.
8496 This will be the case if the article has both been mailed and posted."
8498 (let ((id (mail-header-references (gnus-summary-article-header)))
8499 (gnus-override-method (car (gnus-refer-article-methods))))
8500 (if (gnus-request-head id "")
8501 (gnus-message 2 "The current message was found on %s"
8502 gnus-override-method)
8503 (gnus-message 2 "The current message couldn't be found on %s"
8504 gnus-override-method)
8507 (defun gnus-summary-expire-articles (&optional now)
8508 "Expire all articles that are marked as expirable in the current group."
8510 (when (gnus-check-backend-function
8511 'request-expire-articles gnus-newsgroup-name)
8512 ;; This backend supports expiry.
8513 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
8514 (expirable (if total
8516 ;; We need to update the info for
8517 ;; this group for `gnus-list-of-read-articles'
8518 ;; to give us the right answer.
8519 (gnus-run-hooks 'gnus-exit-group-hook)
8520 (gnus-summary-update-info)
8521 (gnus-list-of-read-articles gnus-newsgroup-name))
8522 (setq gnus-newsgroup-expirable
8523 (sort gnus-newsgroup-expirable '<))))
8524 (expiry-wait (if now 'immediate
8525 (gnus-group-find-parameter
8526 gnus-newsgroup-name 'expiry-wait)))
8527 (nnmail-expiry-target
8528 (or (gnus-group-find-parameter gnus-newsgroup-name 'expiry-target)
8529 nnmail-expiry-target))
8532 ;; There are expirable articles in this group, so we run them
8533 ;; through the expiry process.
8534 (gnus-message 6 "Expiring articles...")
8535 (unless (gnus-check-group gnus-newsgroup-name)
8536 (error "Can't open server for %s" gnus-newsgroup-name))
8537 ;; The list of articles that weren't expired is returned.
8540 (let ((nnmail-expiry-wait-function nil)
8541 (nnmail-expiry-wait expiry-wait))
8542 (setq es (gnus-request-expire-articles
8543 expirable gnus-newsgroup-name)))
8544 (setq es (gnus-request-expire-articles
8545 expirable gnus-newsgroup-name)))
8547 (setq gnus-newsgroup-expirable es))
8548 ;; We go through the old list of expirable, and mark all
8549 ;; really expired articles as nonexistent.
8550 (unless (eq es expirable) ;If nothing was expired, we don't mark.
8551 (let ((gnus-use-cache nil))
8553 (unless (memq (car expirable) es)
8554 (when (gnus-data-find (car expirable))
8555 (gnus-summary-mark-article
8556 (car expirable) gnus-canceled-mark)))
8557 (setq expirable (cdr expirable))))))
8558 (gnus-message 6 "Expiring articles...done")))))
8560 (defun gnus-summary-expire-articles-now ()
8561 "Expunge all expirable articles in the current group.
8562 This means that *all* articles that are marked as expirable will be
8563 deleted forever, right now."
8565 (or gnus-expert-user
8567 "Are you really, really, really sure you want to delete all these messages? ")
8569 (gnus-summary-expire-articles t))
8571 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
8572 (defun gnus-summary-delete-article (&optional n)
8573 "Delete the N next (mail) articles.
8574 This command actually deletes articles. This is not a marking
8575 command. The article will disappear forever from your life, never to
8577 If N is negative, delete backwards.
8578 If N is nil and articles have been marked with the process mark,
8579 delete these instead."
8581 (unless (gnus-check-backend-function 'request-expire-articles
8582 gnus-newsgroup-name)
8583 (error "The current newsgroup does not support article deletion"))
8584 (unless (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
8585 (error "Couldn't open server"))
8586 ;; Compute the list of articles to delete.
8587 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
8589 (if (and gnus-novice-user
8590 (not (gnus-yes-or-no-p
8591 (format "Do you really want to delete %s forever? "
8592 (if (> (length articles) 1)
8593 (format "these %s articles" (length articles))
8596 ;; Delete the articles.
8597 (setq not-deleted (gnus-request-expire-articles
8598 articles gnus-newsgroup-name 'force))
8600 (gnus-summary-remove-process-mark (car articles))
8601 ;; The backend might not have been able to delete the article
8603 (unless (memq (car articles) not-deleted)
8604 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
8605 (setq articles (cdr articles)))
8607 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
8608 (gnus-summary-position-point)
8609 (gnus-set-mode-line 'summary)
8612 (defun gnus-summary-edit-article (&optional arg)
8613 "Edit the current article.
8614 This will have permanent effect only in mail groups.
8615 If ARG is nil, edit the decoded articles.
8616 If ARG is 1, edit the raw articles.
8617 If ARG is 2, edit the raw articles even in read-only groups.
8618 If ARG is 3, edit the articles with the current handles.
8619 Otherwise, allow editing of articles even in read-only
8622 (let (force raw current-handles)
8625 ((eq arg 1) (setq raw t))
8626 ((eq arg 2) (setq raw t
8628 ((eq arg 3) (setq current-handles
8629 (and (gnus-buffer-live-p gnus-article-buffer)
8630 (with-current-buffer gnus-article-buffer
8632 gnus-article-mime-handles
8633 (setq gnus-article-mime-handles nil))))))
8635 (if (and raw (not force) (equal gnus-newsgroup-name "nndraft:drafts"))
8636 (error "Can't edit the raw article in group nndraft:drafts"))
8638 (set-buffer gnus-summary-buffer)
8639 (let ((mail-parse-charset gnus-newsgroup-charset)
8640 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
8641 (gnus-set-global-variables)
8642 (when (and (not force)
8643 (gnus-group-read-only-p))
8644 (error "The current newsgroup does not support article editing"))
8645 (gnus-summary-show-article t)
8646 (when (and (not raw) (gnus-buffer-live-p gnus-article-buffer))
8647 (with-current-buffer gnus-article-buffer
8648 (mm-enable-multibyte-mule4)))
8649 (if (equal gnus-newsgroup-name "nndraft:drafts")
8651 (gnus-article-edit-article
8654 (let ((mbl mml-buffer-list))
8655 (setq mml-buffer-list nil)
8656 (mime-to-mml ,'current-handles)
8657 (let ((mbl1 mml-buffer-list))
8658 (setq mml-buffer-list mbl)
8659 (set (make-local-variable 'mml-buffer-list) mbl1))
8660 (make-local-hook 'kill-buffer-hook)
8661 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t))))
8662 `(lambda (no-highlight)
8663 (let ((mail-parse-charset ',gnus-newsgroup-charset)
8664 (message-options message-options)
8665 (message-options-set-recipient)
8666 (mail-parse-ignored-charsets
8667 ',gnus-newsgroup-ignored-charsets))
8668 ,(if (not raw) '(progn
8670 (mml-destroy-buffers)
8671 (remove-hook 'kill-buffer-hook
8672 'mml-destroy-buffers t)
8673 (kill-local-variable 'mml-buffer-list)))
8674 (gnus-summary-edit-article-done
8675 ,(or (mail-header-references gnus-current-headers) "")
8676 ,(gnus-group-read-only-p)
8677 ,gnus-summary-buffer no-highlight))))))))
8679 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
8681 (defun gnus-summary-edit-article-done (&optional references read-only buffer
8683 "Make edits to the current article permanent."
8686 ;; The buffer restriction contains the entire article if it exists.
8687 (when (article-goto-body)
8688 (let ((lines (count-lines (point) (point-max)))
8689 (length (- (point-max) (point)))
8690 (case-fold-search t)
8691 (body (copy-marker (point))))
8692 (goto-char (point-min))
8693 (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t)
8694 (delete-region (match-beginning 1) (match-end 1))
8695 (insert (number-to-string length)))
8696 (goto-char (point-min))
8697 (when (re-search-forward
8698 "^x-content-length:[ \t]\\([0-9]+\\)" body t)
8699 (delete-region (match-beginning 1) (match-end 1))
8700 (insert (number-to-string length)))
8701 (goto-char (point-min))
8702 (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t)
8703 (delete-region (match-beginning 1) (match-end 1))
8704 (insert (number-to-string lines))))))
8705 ;; Replace the article.
8706 (let ((buf (current-buffer)))
8708 (insert-buffer-substring buf)
8710 (if (and (not read-only)
8711 (not (gnus-request-replace-article
8712 (cdr gnus-article-current) (car gnus-article-current)
8713 (current-buffer) t)))
8714 (error "Couldn't replace article")
8715 ;; Update the summary buffer.
8717 (equal (message-tokenize-header references " ")
8718 (message-tokenize-header
8719 (or (message-fetch-field "references") "") " ")))
8720 ;; We only have to update this line.
8723 (message-narrow-to-head)
8724 (let ((head (buffer-string))
8727 (insert (format "211 %d Article retrieved.\n"
8728 (cdr gnus-article-current)))
8731 (let ((nntp-server-buffer (current-buffer)))
8732 (setq header (car (gnus-get-newsgroup-headers
8734 (set-buffer gnus-summary-buffer)
8735 gnus-newsgroup-dependencies)
8738 (set-buffer gnus-summary-buffer)
8739 (gnus-data-set-header
8740 (gnus-data-find (cdr gnus-article-current))
8742 (gnus-summary-update-article-line
8743 (cdr gnus-article-current) header)
8744 (if (gnus-summary-goto-subject
8745 (cdr gnus-article-current) nil t)
8746 (gnus-summary-update-secondary-mark
8747 (cdr gnus-article-current))))))))
8749 (set-buffer (or buffer gnus-summary-buffer))
8750 (gnus-summary-update-article (cdr gnus-article-current))
8751 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
8752 (gnus-summary-update-secondary-mark
8753 (cdr gnus-article-current))))
8754 ;; Prettify the article buffer again.
8755 (unless no-highlight
8757 (set-buffer gnus-article-buffer)
8758 ;;;!!! Fix this -- article should be rehighlighted.
8759 ;;;(gnus-run-hooks 'gnus-article-display-hook)
8760 (set-buffer gnus-original-article-buffer)
8761 (gnus-request-article
8762 (cdr gnus-article-current)
8763 (car gnus-article-current) (current-buffer))))
8764 ;; Prettify the summary buffer line.
8765 (when (gnus-visual-p 'summary-highlight 'highlight)
8766 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
8768 (defun gnus-summary-edit-wash (key)
8769 "Perform editing command KEY in the article buffer."
8773 (message "%s" (concat (this-command-keys) "- "))
8776 (gnus-summary-edit-article)
8777 (execute-kbd-macro (concat (this-command-keys) key))
8778 (gnus-article-edit-done))
8782 (defun gnus-summary-respool-query (&optional silent trace)
8783 "Query where the respool algorithm would put this article."
8785 (let (gnus-mark-article-hook)
8786 (gnus-summary-select-article)
8788 (set-buffer gnus-original-article-buffer)
8790 (message-narrow-to-head)
8791 (let ((groups (nnmail-article-group 'identity trace)))
8794 (message "This message would go to %s"
8795 (mapconcat 'car groups ", "))
8796 (message "This message would go to no groups"))
8799 (defun gnus-summary-respool-trace ()
8800 "Trace where the respool algorithm would put this article.
8801 Display a buffer showing all fancy splitting patterns which matched."
8803 (gnus-summary-respool-query nil t))
8805 ;; Summary marking commands.
8807 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
8808 "Mark articles which has the same subject as read, and then select the next.
8809 If UNMARK is positive, remove any kind of mark.
8810 If UNMARK is negative, tick articles."
8813 (setq unmark (prefix-numeric-value unmark)))
8815 (gnus-summary-mark-same-subject
8816 (gnus-summary-article-subject) unmark)))
8817 ;; Select next unread article. If auto-select-same mode, should
8818 ;; select the first unread article.
8819 (gnus-summary-next-article t (and gnus-auto-select-same
8820 (gnus-summary-article-subject)))
8821 (gnus-message 7 "%d article%s marked as %s"
8822 count (if (= count 1) " is" "s are")
8823 (if unmark "unread" "read"))))
8825 (defun gnus-summary-kill-same-subject (&optional unmark)
8826 "Mark articles which has the same subject as read.
8827 If UNMARK is positive, remove any kind of mark.
8828 If UNMARK is negative, tick articles."
8831 (setq unmark (prefix-numeric-value unmark)))
8833 (gnus-summary-mark-same-subject
8834 (gnus-summary-article-subject) unmark)))
8835 ;; If marked as read, go to next unread subject.
8837 ;; Go to next unread subject.
8838 (gnus-summary-next-subject 1 t))
8839 (gnus-message 7 "%d articles are marked as %s"
8840 count (if unmark "unread" "read"))))
8842 (defun gnus-summary-mark-same-subject (subject &optional unmark)
8843 "Mark articles with same SUBJECT as read, and return marked number.
8844 If optional argument UNMARK is positive, remove any kinds of marks.
8845 If optional argument UNMARK is negative, mark articles as unread instead."
8849 ((null unmark) ; Mark as read.
8852 (gnus-summary-mark-article-as-read gnus-killed-mark)
8853 (gnus-summary-show-thread) t)
8854 (gnus-summary-find-subject subject))
8855 (setq count (1+ count))))
8856 ((> unmark 0) ; Tick.
8859 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
8860 (gnus-summary-show-thread) t)
8861 (gnus-summary-find-subject subject))
8862 (setq count (1+ count))))
8863 (t ; Mark as unread.
8866 (gnus-summary-mark-article-as-unread gnus-unread-mark)
8867 (gnus-summary-show-thread) t)
8868 (gnus-summary-find-subject subject))
8869 (setq count (1+ count)))))
8870 (gnus-set-mode-line 'summary)
8871 ;; Return the number of marked articles.
8874 (defun gnus-summary-mark-as-processable (n &optional unmark)
8875 "Set the process mark on the next N articles.
8876 If N is negative, mark backward instead. If UNMARK is non-nil, remove
8877 the process mark instead. The difference between N and the actual
8878 number of articles marked is returned."
8880 (if (and (null n) (gnus-region-active-p))
8881 (gnus-uu-mark-region (region-beginning) (region-end) unmark)
8882 (setq n (prefix-numeric-value n))
8883 (let ((backward (< n 0))
8888 (gnus-summary-remove-process-mark
8889 (gnus-summary-article-number))
8890 (gnus-summary-set-process-mark (gnus-summary-article-number)))
8891 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
8894 (gnus-message 7 "No more articles"))
8895 (gnus-summary-recenter)
8896 (gnus-summary-position-point)
8899 (defun gnus-summary-unmark-as-processable (n)
8900 "Remove the process mark from the next N articles.
8901 If N is negative, unmark backward instead. The difference between N and
8902 the actual number of articles unmarked is returned."
8904 (gnus-summary-mark-as-processable n t))
8906 (defun gnus-summary-unmark-all-processable ()
8907 "Remove the process mark from all articles."
8910 (while gnus-newsgroup-processable
8911 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
8912 (gnus-summary-position-point))
8914 (defun gnus-summary-add-mark (article type)
8915 "Mark ARTICLE with a mark of TYPE."
8916 (let ((vtype (car (assq type gnus-article-mark-lists)))
8919 (error "No such mark type: %s" type)
8920 (setq var (intern (format "gnus-newsgroup-%s" type)))
8921 (set var (cons article (symbol-value var)))
8922 (if (memq type '(processable cached replied forwarded recent saved))
8923 (gnus-summary-update-secondary-mark article)
8924 ;;; !!! This is bogus. We should find out what primary
8925 ;;; !!! mark we want to set.
8926 (gnus-summary-update-mark gnus-del-mark 'unread)))))
8928 (defun gnus-summary-mark-as-expirable (n)
8929 "Mark N articles forward as expirable.
8930 If N is negative, mark backward instead. The difference between N and
8931 the actual number of articles marked is returned."
8933 (gnus-summary-mark-forward n gnus-expirable-mark))
8935 (defun gnus-summary-mark-article-as-replied (article)
8936 "Mark ARTICLE as replied to and update the summary line.
8937 ARTICLE can also be a list of articles."
8938 (interactive (list (gnus-summary-article-number)))
8939 (let ((articles (if (listp article) article (list article))))
8940 (dolist (article articles)
8941 (push article gnus-newsgroup-replied)
8942 (let ((buffer-read-only nil))
8943 (when (gnus-summary-goto-subject article nil t)
8944 (gnus-summary-update-secondary-mark article))))))
8946 (defun gnus-summary-mark-article-as-forwarded (article)
8947 "Mark ARTICLE as forwarded and update the summary line.
8948 ARTICLE can also be a list of articles."
8949 (let ((articles (if (listp article) article (list article))))
8950 (dolist (article articles)
8951 (push article gnus-newsgroup-forwarded)
8952 (let ((buffer-read-only nil))
8953 (when (gnus-summary-goto-subject article nil t)
8954 (gnus-summary-update-secondary-mark article))))))
8956 (defun gnus-summary-set-bookmark (article)
8957 "Set a bookmark in current article."
8958 (interactive (list (gnus-summary-article-number)))
8959 (when (or (not (get-buffer gnus-article-buffer))
8960 (not gnus-current-article)
8961 (not gnus-article-current)
8962 (not (equal gnus-newsgroup-name (car gnus-article-current))))
8963 (error "No current article selected"))
8964 ;; Remove old bookmark, if one exists.
8965 (let ((old (assq article gnus-newsgroup-bookmarks)))
8967 (setq gnus-newsgroup-bookmarks
8968 (delq old gnus-newsgroup-bookmarks))))
8969 ;; Set the new bookmark, which is on the form
8970 ;; (article-number . line-number-in-body).
8974 (set-buffer gnus-article-buffer)
8978 (goto-char (point-min))
8979 (search-forward "\n\n" nil t)
8982 gnus-newsgroup-bookmarks)
8983 (gnus-message 6 "A bookmark has been added to the current article."))
8985 (defun gnus-summary-remove-bookmark (article)
8986 "Remove the bookmark from the current article."
8987 (interactive (list (gnus-summary-article-number)))
8988 ;; Remove old bookmark, if one exists.
8989 (let ((old (assq article gnus-newsgroup-bookmarks)))
8992 (setq gnus-newsgroup-bookmarks
8993 (delq old gnus-newsgroup-bookmarks))
8994 (gnus-message 6 "Removed bookmark."))
8995 (gnus-message 6 "No bookmark in current article."))))
8997 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
8998 (defun gnus-summary-mark-as-dormant (n)
8999 "Mark N articles forward as dormant.
9000 If N is negative, mark backward instead. The difference between N and
9001 the actual number of articles marked is returned."
9003 (gnus-summary-mark-forward n gnus-dormant-mark))
9005 (defun gnus-summary-set-process-mark (article)
9006 "Set the process mark on ARTICLE and update the summary line."
9007 (setq gnus-newsgroup-processable
9009 (delq article gnus-newsgroup-processable)))
9010 (when (gnus-summary-goto-subject article)
9011 (gnus-summary-show-thread)
9012 (gnus-summary-goto-subject article)
9013 (gnus-summary-update-secondary-mark article)))
9015 (defun gnus-summary-remove-process-mark (article)
9016 "Remove the process mark from ARTICLE and update the summary line."
9017 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
9018 (when (gnus-summary-goto-subject article)
9019 (gnus-summary-show-thread)
9020 (gnus-summary-goto-subject article)
9021 (gnus-summary-update-secondary-mark article)))
9023 (defun gnus-summary-set-saved-mark (article)
9024 "Set the process mark on ARTICLE and update the summary line."
9025 (push article gnus-newsgroup-saved)
9026 (when (gnus-summary-goto-subject article)
9027 (gnus-summary-update-secondary-mark article)))
9029 (defun gnus-summary-mark-forward (n &optional mark no-expire)
9030 "Mark N articles as read forwards.
9031 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
9032 The difference between N and the actual number of articles marked is
9034 Iff NO-EXPIRE, auto-expiry will be inhibited."
9036 (gnus-summary-show-thread)
9037 (let ((backward (< n 0))
9038 (gnus-summary-goto-unread
9039 (and gnus-summary-goto-unread
9040 (not (eq gnus-summary-goto-unread 'never))
9041 (not (memq mark (list gnus-unread-mark
9042 gnus-ticked-mark gnus-dormant-mark)))))
9044 (mark (or mark gnus-del-mark)))
9046 (gnus-summary-mark-article nil mark no-expire)
9047 (zerop (gnus-summary-next-subject
9049 (and gnus-summary-goto-unread
9050 (not (eq gnus-summary-goto-unread 'never)))
9054 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
9055 (gnus-summary-recenter)
9056 (gnus-summary-position-point)
9057 (gnus-set-mode-line 'summary)
9060 (defun gnus-summary-mark-article-as-read (mark)
9061 "Mark the current article quickly as read with MARK."
9062 (let ((article (gnus-summary-article-number)))
9063 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
9064 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9065 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9066 (push (cons article mark) gnus-newsgroup-reads)
9067 ;; Possibly remove from cache, if that is used.
9068 (when gnus-use-cache
9069 (gnus-cache-enter-remove-article article))
9070 ;; Allow the backend to change the mark.
9071 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9072 ;; Check for auto-expiry.
9073 (when (and gnus-newsgroup-auto-expire
9074 (memq mark gnus-auto-expirable-marks))
9075 (setq mark gnus-expirable-mark)
9076 ;; Let the backend know about the mark change.
9077 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9078 (push article gnus-newsgroup-expirable))
9079 ;; Set the mark in the buffer.
9080 (gnus-summary-update-mark mark 'unread)
9083 (defun gnus-summary-mark-article-as-unread (mark)
9084 "Mark the current article quickly as unread with MARK."
9085 (let* ((article (gnus-summary-article-number))
9086 (old-mark (gnus-summary-article-mark article)))
9087 ;; Allow the backend to change the mark.
9088 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9089 (if (eq mark old-mark)
9093 (gnus-error 1 "Can't mark negative article numbers")
9095 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9096 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9097 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
9098 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
9099 (cond ((= mark gnus-ticked-mark)
9100 (push article gnus-newsgroup-marked))
9101 ((= mark gnus-dormant-mark)
9102 (push article gnus-newsgroup-dormant))
9104 (push article gnus-newsgroup-unreads)))
9105 (gnus-pull article gnus-newsgroup-reads)
9107 ;; See whether the article is to be put in the cache.
9109 (vectorp (gnus-summary-article-header article))
9111 (gnus-cache-possibly-enter-article
9112 gnus-newsgroup-name article
9113 (= mark gnus-ticked-mark)
9114 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
9117 (gnus-summary-update-mark mark 'unread)
9120 (defun gnus-summary-mark-article (&optional article mark no-expire)
9121 "Mark ARTICLE with MARK. MARK can be any character.
9122 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
9123 `??' (dormant) and `?E' (expirable).
9124 If MARK is nil, then the default character `?r' is used.
9125 If ARTICLE is nil, then the article on the current line will be
9127 Iff NO-EXPIRE, auto-expiry will be inhibited."
9128 ;; The mark might be a string.
9129 (when (stringp mark)
9130 (setq mark (aref mark 0)))
9131 ;; If no mark is given, then we check auto-expiring.
9133 (setq mark gnus-del-mark))
9134 (when (and (not no-expire)
9135 gnus-newsgroup-auto-expire
9136 (memq mark gnus-auto-expirable-marks))
9137 (setq mark gnus-expirable-mark))
9138 (let ((article (or article (gnus-summary-article-number)))
9139 (old-mark (gnus-summary-article-mark article)))
9140 ;; Allow the backend to change the mark.
9141 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9142 (if (eq mark old-mark)
9145 (error "No article on current line"))
9146 (if (not (if (or (= mark gnus-unread-mark)
9147 (= mark gnus-ticked-mark)
9148 (= mark gnus-dormant-mark))
9149 (gnus-mark-article-as-unread article mark)
9150 (gnus-mark-article-as-read article mark)))
9152 ;; See whether the article is to be put in the cache.
9154 (not (= mark gnus-canceled-mark))
9155 (vectorp (gnus-summary-article-header article))
9157 (gnus-cache-possibly-enter-article
9158 gnus-newsgroup-name article
9159 (= mark gnus-ticked-mark)
9160 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
9162 (when (gnus-summary-goto-subject article nil t)
9163 (let ((buffer-read-only nil))
9164 (gnus-summary-show-thread)
9166 (gnus-summary-update-mark mark 'unread)
9169 (defun gnus-summary-update-secondary-mark (article)
9170 "Update the secondary (read, process, cache) mark."
9171 (gnus-summary-update-mark
9172 (cond ((memq article gnus-newsgroup-processable)
9174 ((memq article gnus-newsgroup-cached)
9176 ((memq article gnus-newsgroup-replied)
9178 ((memq article gnus-newsgroup-forwarded)
9179 gnus-forwarded-mark)
9180 ((memq article gnus-newsgroup-saved)
9182 ((memq article gnus-newsgroup-recent)
9184 ((memq article gnus-newsgroup-unseen)
9188 (when (gnus-visual-p 'summary-highlight 'highlight)
9189 (gnus-run-hooks 'gnus-summary-update-hook))
9192 (defun gnus-summary-update-mark (mark type)
9193 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
9194 (buffer-read-only nil))
9195 (re-search-backward "[\n\r]" (gnus-point-at-bol) 'move-to-limit)
9197 (when (looking-at "\r")
9199 (when (<= (+ forward (point)) (point-max))
9200 ;; Go to the right position on the line.
9201 (goto-char (+ forward (point)))
9202 ;; Replace the old mark with the new mark.
9203 (subst-char-in-region (point) (1+ (point)) (char-after) mark)
9204 ;; Optionally update the marks by some user rule.
9205 (when (eq type 'unread)
9207 (gnus-data-find (gnus-summary-article-number)) mark)
9208 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
9210 (defun gnus-mark-article-as-read (article &optional mark)
9211 "Enter ARTICLE in the pertinent lists and remove it from others."
9212 ;; Make the article expirable.
9213 (let ((mark (or mark gnus-del-mark)))
9214 (if (= mark gnus-expirable-mark)
9215 (push article gnus-newsgroup-expirable)
9216 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)))
9217 ;; Remove from unread and marked lists.
9218 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
9219 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9220 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9221 (push (cons article mark) gnus-newsgroup-reads)
9222 ;; Possibly remove from cache, if that is used.
9223 (when gnus-use-cache
9224 (gnus-cache-enter-remove-article article))
9227 (defun gnus-mark-article-as-unread (article &optional mark)
9228 "Enter ARTICLE in the pertinent lists and remove it from others."
9229 (let ((mark (or mark gnus-ticked-mark)))
9232 (gnus-error 1 "Can't mark negative article numbers")
9234 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
9235 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
9236 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
9237 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
9239 ;; Unsuppress duplicates?
9240 (when gnus-suppress-duplicates
9241 (gnus-dup-unsuppress-article article))
9243 (cond ((= mark gnus-ticked-mark)
9244 (push article gnus-newsgroup-marked))
9245 ((= mark gnus-dormant-mark)
9246 (push article gnus-newsgroup-dormant))
9248 (push article gnus-newsgroup-unreads)))
9249 (gnus-pull article gnus-newsgroup-reads)
9252 (defalias 'gnus-summary-mark-as-unread-forward
9253 'gnus-summary-tick-article-forward)
9254 (make-obsolete 'gnus-summary-mark-as-unread-forward
9255 'gnus-summary-tick-article-forward)
9256 (defun gnus-summary-tick-article-forward (n)
9257 "Tick N articles forwards.
9258 If N is negative, tick backwards instead.
9259 The difference between N and the number of articles ticked is returned."
9261 (gnus-summary-mark-forward n gnus-ticked-mark))
9263 (defalias 'gnus-summary-mark-as-unread-backward
9264 'gnus-summary-tick-article-backward)
9265 (make-obsolete 'gnus-summary-mark-as-unread-backward
9266 'gnus-summary-tick-article-backward)
9267 (defun gnus-summary-tick-article-backward (n)
9268 "Tick N articles backwards.
9269 The difference between N and the number of articles ticked is returned."
9271 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
9273 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
9274 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
9275 (defun gnus-summary-tick-article (&optional article clear-mark)
9276 "Mark current article as unread.
9277 Optional 1st argument ARTICLE specifies article number to be marked as unread.
9278 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
9280 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
9283 (defun gnus-summary-mark-as-read-forward (n)
9284 "Mark N articles as read forwards.
9285 If N is negative, mark backwards instead.
9286 The difference between N and the actual number of articles marked is
9289 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
9291 (defun gnus-summary-mark-as-read-backward (n)
9292 "Mark the N articles as read backwards.
9293 The difference between N and the actual number of articles marked is
9296 (gnus-summary-mark-forward
9297 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
9299 (defun gnus-summary-mark-as-read (&optional article mark)
9300 "Mark current article as read.
9301 ARTICLE specifies the article to be marked as read.
9302 MARK specifies a string to be inserted at the beginning of the line."
9303 (gnus-summary-mark-article article mark))
9305 (defun gnus-summary-clear-mark-forward (n)
9306 "Clear marks from N articles forward.
9307 If N is negative, clear backward instead.
9308 The difference between N and the number of marks cleared is returned."
9310 (gnus-summary-mark-forward n gnus-unread-mark))
9312 (defun gnus-summary-clear-mark-backward (n)
9313 "Clear marks from N articles backward.
9314 The difference between N and the number of marks cleared is returned."
9316 (gnus-summary-mark-forward (- n) gnus-unread-mark))
9318 (defun gnus-summary-mark-unread-as-read ()
9319 "Intended to be used by `gnus-summary-mark-article-hook'."
9320 (when (memq gnus-current-article gnus-newsgroup-unreads)
9321 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
9323 (defun gnus-summary-mark-read-and-unread-as-read ()
9324 "Intended to be used by `gnus-summary-mark-article-hook'."
9325 (let ((mark (gnus-summary-article-mark)))
9326 (when (or (gnus-unread-mark-p mark)
9327 (gnus-read-mark-p mark))
9328 (gnus-summary-mark-article gnus-current-article gnus-read-mark))))
9330 (defun gnus-summary-mark-unread-as-ticked ()
9331 "Intended to be used by `gnus-summary-mark-article-hook'."
9332 (when (memq gnus-current-article gnus-newsgroup-unreads)
9333 (gnus-summary-mark-article gnus-current-article gnus-ticked-mark)))
9335 (defun gnus-summary-mark-region-as-read (point mark all)
9336 "Mark all unread articles between point and mark as read.
9337 If given a prefix, mark all articles between point and mark as read,
9338 even ticked and dormant ones."
9339 (interactive "r\nP")
9348 (memq (setq article (gnus-summary-article-number))
9349 gnus-newsgroup-unreads))
9350 (gnus-summary-mark-article article gnus-del-mark))
9352 (gnus-summary-find-next))))))
9354 (defun gnus-summary-mark-below (score mark)
9355 "Mark articles with score less than SCORE with MARK."
9356 (interactive "P\ncMark: ")
9357 (setq score (if score
9358 (prefix-numeric-value score)
9359 (or gnus-summary-default-score 0)))
9361 (set-buffer gnus-summary-buffer)
9362 (goto-char (point-min))
9365 (and (< (gnus-summary-article-score) score)
9366 (gnus-summary-mark-article nil mark))
9367 (gnus-summary-find-next)))))
9369 (defun gnus-summary-kill-below (&optional score)
9370 "Mark articles with score below SCORE as read."
9372 (gnus-summary-mark-below score gnus-killed-mark))
9374 (defun gnus-summary-clear-above (&optional score)
9375 "Clear all marks from articles with score above SCORE."
9377 (gnus-summary-mark-above score gnus-unread-mark))
9379 (defun gnus-summary-tick-above (&optional score)
9380 "Tick all articles with score above SCORE."
9382 (gnus-summary-mark-above score gnus-ticked-mark))
9384 (defun gnus-summary-mark-above (score mark)
9385 "Mark articles with score over SCORE with MARK."
9386 (interactive "P\ncMark: ")
9387 (setq score (if score
9388 (prefix-numeric-value score)
9389 (or gnus-summary-default-score 0)))
9391 (set-buffer gnus-summary-buffer)
9392 (goto-char (point-min))
9394 (when (> (gnus-summary-article-score) score)
9395 (gnus-summary-mark-article nil mark))
9397 (gnus-summary-find-next)))))
9399 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
9400 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
9401 (defun gnus-summary-limit-include-expunged (&optional no-error)
9402 "Display all the hidden articles that were expunged for low scores."
9404 (let ((buffer-read-only nil))
9405 (let ((scored gnus-newsgroup-scored)
9408 (unless (gnus-summary-article-header (caar scored))
9409 (and (setq h (gnus-number-to-header (caar scored)))
9410 (< (cdar scored) gnus-summary-expunge-below)
9412 (setq scored (cdr scored)))
9414 (when (not no-error)
9415 (error "No expunged articles hidden"))
9416 (goto-char (point-min))
9417 (push gnus-newsgroup-limit gnus-newsgroup-limits)
9418 (setq gnus-newsgroup-limit (copy-sequence gnus-newsgroup-limit))
9419 (mapcar (lambda (x) (push (mail-header-number x)
9420 gnus-newsgroup-limit))
9422 (gnus-summary-prepare-unthreaded (nreverse headers))
9423 (goto-char (point-min))
9424 (gnus-summary-position-point)
9427 (defun gnus-summary-catchup (&optional all quietly to-here not-mark reverse)
9428 "Mark all unread articles in this newsgroup as read.
9429 If prefix argument ALL is non-nil, ticked and dormant articles will
9430 also be marked as read.
9431 If QUIETLY is non-nil, no questions will be asked.
9432 If TO-HERE is non-nil, it should be a point in the buffer. All
9433 articles before (after, if REVERSE is set) this point will be marked as read.
9434 Note that this function will only catch up the unread article
9435 in the current summary buffer limitation.
9436 The number of articles marked as read is returned."
9441 (not gnus-interactive-catchup) ;Without confirmation?
9445 "Mark absolutely all articles as read? "
9446 "Mark all unread articles as read? ")))
9448 (not gnus-newsgroup-adaptive)
9449 (not gnus-newsgroup-auto-expire)
9450 (not gnus-suppress-duplicates)
9451 (or (not gnus-use-cache)
9452 (eq gnus-use-cache 'passive)))
9455 (setq gnus-newsgroup-marked nil
9456 gnus-newsgroup-dormant nil))
9457 (setq gnus-newsgroup-unreads gnus-newsgroup-downloadable))
9458 ;; We actually mark all articles as canceled, which we
9459 ;; have to do when using auto-expiry or adaptive scoring.
9460 (gnus-summary-show-all-threads)
9461 (if (and to-here reverse)
9465 (gnus-summary-mark-article-as-read gnus-catchup-mark)
9466 (gnus-summary-find-next (not all) nil nil t))))
9467 (when (gnus-summary-first-subject (not all) t)
9469 (if to-here (< (point) to-here) t)
9470 (gnus-summary-mark-article-as-read gnus-catchup-mark)
9471 (gnus-summary-find-next (not all) nil nil t)))))
9472 (gnus-set-mode-line 'summary))
9474 (gnus-summary-position-point)))
9476 (defun gnus-summary-catchup-to-here (&optional all)
9477 "Mark all unticked articles before the current one as read.
9478 If ALL is non-nil, also mark ticked and dormant articles as read."
9481 (gnus-save-hidden-threads
9482 (let ((beg (point)))
9483 ;; We check that there are unread articles.
9484 (when (or all (gnus-summary-find-prev))
9485 (gnus-summary-catchup all t beg)))))
9486 (gnus-summary-position-point))
9488 (defun gnus-summary-catchup-from-here (&optional all)
9489 "Mark all unticked articles after the current one as read.
9490 If ALL is non-nil, also mark ticked and dormant articles as read."
9493 (gnus-save-hidden-threads
9494 (let ((beg (point)))
9495 ;; We check that there are unread articles.
9496 (when (or all (gnus-summary-find-next))
9497 (gnus-summary-catchup all t beg nil t)))))
9499 (gnus-summary-position-point))
9500 (defun gnus-summary-catchup-all (&optional quietly)
9501 "Mark all articles in this newsgroup as read."
9503 (gnus-summary-catchup t quietly))
9505 (defun gnus-summary-catchup-and-exit (&optional all quietly)
9506 "Mark all unread articles in this group as read, then exit.
9507 If prefix argument ALL is non-nil, all articles are marked as read.
9508 If QUIETLY is non-nil, no questions will be asked."
9510 (when (gnus-summary-catchup all quietly nil 'fast)
9511 ;; Select next newsgroup or exit.
9512 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
9513 (eq gnus-auto-select-next 'quietly))
9514 (gnus-summary-next-group nil)
9515 (gnus-summary-exit))))
9517 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
9518 "Mark all articles in this newsgroup as read, and then exit."
9520 (gnus-summary-catchup-and-exit t quietly))
9522 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
9523 "Mark all articles in this group as read and select the next group.
9524 If given a prefix, mark all articles, unread as well as ticked, as
9528 (gnus-summary-catchup all))
9529 (gnus-summary-next-group))
9535 (defmacro gnus-with-article (article &rest forms)
9536 "Select ARTICLE and perform FORMS in the original article buffer.
9537 Then replace the article with the result."
9539 ;; We don't want the article to be marked as read.
9540 (let (gnus-mark-article-hook)
9541 (gnus-summary-select-article t t nil ,article))
9542 (set-buffer gnus-original-article-buffer)
9544 (if (not (gnus-check-backend-function
9545 'request-replace-article (car gnus-article-current)))
9546 (gnus-message 5 "Read-only group; not replacing")
9547 (unless (gnus-request-replace-article
9548 ,article (car gnus-article-current)
9550 (error "Couldn't replace article")))
9551 ;; The cache and backlog have to be flushed somewhat.
9552 (when gnus-keep-backlog
9553 (gnus-backlog-remove-article
9554 (car gnus-article-current) (cdr gnus-article-current)))
9555 (when gnus-use-cache
9556 (gnus-cache-update-article
9557 (car gnus-article-current) (cdr gnus-article-current)))))
9559 (put 'gnus-with-article 'lisp-indent-function 1)
9560 (put 'gnus-with-article 'edebug-form-spec '(form body))
9562 ;; Thread-based commands.
9564 (defun gnus-summary-articles-in-thread (&optional article)
9565 "Return a list of all articles in the current thread.
9566 If ARTICLE is non-nil, return all articles in the thread that starts
9568 (let* ((article (or article (gnus-summary-article-number)))
9569 (data (gnus-data-find-list article))
9570 (top-level (gnus-data-level (car data)))
9572 (cond ((null gnus-thread-operation-ignore-subject)
9573 (gnus-simplify-subject-re
9574 (mail-header-subject (gnus-data-header (car data)))))
9575 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
9576 (gnus-simplify-subject-fuzzy
9577 (mail-header-subject (gnus-data-header (car data)))))
9579 (end-point (save-excursion
9580 (if (gnus-summary-go-to-next-thread)
9581 (point) (point-max))))
9584 (< (gnus-data-pos (car data)) end-point))
9585 (when (or (not top-subject)
9586 (string= top-subject
9587 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
9588 (gnus-simplify-subject-fuzzy
9589 (mail-header-subject
9590 (gnus-data-header (car data))))
9591 (gnus-simplify-subject-re
9592 (mail-header-subject
9593 (gnus-data-header (car data)))))))
9594 (push (gnus-data-number (car data)) articles))
9595 (unless (and (setq data (cdr data))
9596 (> (gnus-data-level (car data)) top-level))
9598 ;; Return the list of articles.
9599 (nreverse articles)))
9601 (defun gnus-summary-rethread-current ()
9602 "Rethread the thread the current article is part of."
9604 (let* ((gnus-show-threads t)
9605 (article (gnus-summary-article-number))
9606 (id (mail-header-id (gnus-summary-article-header)))
9607 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
9609 (error "No article on the current line"))
9610 (gnus-rebuild-thread id)
9611 (gnus-summary-goto-subject article)))
9613 (defun gnus-summary-reparent-thread ()
9614 "Make the current article child of the marked (or previous) article.
9616 Note that the re-threading will only work if `gnus-thread-ignore-subject'
9617 is non-nil or the Subject: of both articles are the same."
9619 (unless (not (gnus-group-read-only-p))
9620 (error "The current newsgroup does not support article editing"))
9621 (unless (<= (length gnus-newsgroup-processable) 1)
9622 (error "No more than one article may be marked"))
9623 (save-window-excursion
9624 (let ((gnus-article-buffer " *reparent*")
9625 (current-article (gnus-summary-article-number))
9626 ;; First grab the marked article, otherwise one line up.
9627 (parent-article (if (not (null gnus-newsgroup-processable))
9628 (car gnus-newsgroup-processable)
9630 (if (eq (forward-line -1) 0)
9631 (gnus-summary-article-number)
9632 (error "Beginning of summary buffer"))))))
9633 (unless (not (eq current-article parent-article))
9634 (error "An article may not be self-referential"))
9635 (let ((message-id (mail-header-id
9636 (gnus-summary-article-header parent-article))))
9637 (unless (and message-id (not (equal message-id "")))
9638 (error "No message-id in desired parent"))
9639 (gnus-with-article current-article
9641 (goto-char (point-min))
9642 (message-narrow-to-head)
9643 (if (re-search-forward "^References: " nil t)
9645 (re-search-forward "^[^ \t]" nil t)
9648 (insert " " message-id))
9649 (insert "References: " message-id "\n"))))
9650 (set-buffer gnus-summary-buffer)
9651 (gnus-summary-unmark-all-processable)
9652 (gnus-summary-update-article current-article)
9653 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
9654 (gnus-summary-update-secondary-mark (cdr gnus-article-current)))
9655 (gnus-summary-rethread-current)
9656 (gnus-message 3 "Article %d is now the child of article %d"
9657 current-article parent-article)))))
9659 (defun gnus-summary-toggle-threads (&optional arg)
9660 "Toggle showing conversation threads.
9661 If ARG is positive number, turn showing conversation threads on."
9663 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
9664 (setq gnus-show-threads
9665 (if (null arg) (not gnus-show-threads)
9666 (> (prefix-numeric-value arg) 0)))
9667 (gnus-summary-prepare)
9668 (gnus-summary-goto-subject current)
9669 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
9670 (gnus-summary-position-point)))
9672 (defun gnus-summary-show-all-threads ()
9676 (let ((buffer-read-only nil))
9677 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
9678 (gnus-summary-position-point))
9680 (defun gnus-summary-show-thread ()
9681 "Show thread subtrees.
9682 Returns nil if no thread was there to be shown."
9684 (let ((buffer-read-only nil)
9686 ;; first goto end then to beg, to have point at beg after let
9687 (end (progn (end-of-line) (point)))
9688 (beg (progn (beginning-of-line) (point))))
9690 ;; Any hidden lines here?
9691 (search-forward "\r" end t)
9692 (subst-char-in-region beg end ?\^M ?\n t)
9694 (gnus-summary-position-point))))
9696 (defun gnus-summary-maybe-hide-threads ()
9697 "If requested, hide the threads that should be hidden."
9698 (when (and gnus-show-threads
9699 gnus-thread-hide-subtree)
9700 (gnus-summary-hide-all-threads
9701 (if (or (consp gnus-thread-hide-subtree)
9702 (gnus-functionp gnus-thread-hide-subtree))
9703 (gnus-make-predicate gnus-thread-hide-subtree)
9706 ;;; Hiding predicates.
9708 (defun gnus-article-unread-p (header)
9709 (memq (mail-header-number header) gnus-newsgroup-unreads))
9711 (defun gnus-article-unseen-p (header)
9712 (memq (mail-header-number header) gnus-newsgroup-unseen))
9714 (defun gnus-map-articles (predicate articles)
9715 "Map PREDICATE over ARTICLES and return non-nil if any predicate is non-nil."
9716 (apply 'gnus-or (mapcar predicate
9717 (mapcar 'gnus-summary-article-header articles))))
9719 (defun gnus-summary-hide-all-threads (&optional predicate)
9720 "Hide all thread subtrees.
9721 If PREDICATE is supplied, threads that satisfy this predicate
9722 will not be hidden."
9725 (goto-char (point-min))
9728 (when (or (not predicate)
9730 predicate (gnus-summary-article-children)))
9731 (gnus-summary-hide-thread))
9732 (setq end (not (zerop (gnus-summary-next-thread 1 t)))))))
9733 (gnus-summary-position-point))
9735 (defun gnus-summary-hide-thread ()
9736 "Hide thread subtrees.
9737 If PREDICATE is supplied, threads that satisfy this predicate
9739 Returns nil if no threads were there to be hidden."
9741 (let ((buffer-read-only nil)
9743 (article (gnus-summary-article-number)))
9745 ;; Go forward until either the buffer ends or the subthread
9747 (when (and (not (eobp))
9748 (or (zerop (gnus-summary-next-thread 1 t))
9749 (goto-char (point-max))))
9751 (if (and (> (point) start)
9752 (search-backward "\n" start t))
9754 (subst-char-in-region start (point) ?\n ?\^M)
9755 (gnus-summary-goto-subject article))
9759 (defun gnus-summary-go-to-next-thread (&optional previous)
9760 "Go to the same level (or less) next thread.
9761 If PREVIOUS is non-nil, go to previous thread instead.
9762 Return the article number moved to, or nil if moving was impossible."
9763 (let ((level (gnus-summary-thread-level))
9764 (way (if previous -1 1))
9767 (while (and (not (eobp))
9768 (< level (gnus-summary-thread-level)))
9776 (gnus-summary-article-number)
9779 (defun gnus-summary-next-thread (n &optional silent)
9780 "Go to the same level next N'th thread.
9781 If N is negative, search backward instead.
9782 Returns the difference between N and the number of skips actually
9785 If SILENT, don't output messages."
9787 (let ((backward (< n 0))
9790 (gnus-summary-go-to-next-thread backward))
9793 (gnus-summary-position-point))
9794 (when (and (not silent) (/= 0 n))
9795 (gnus-message 7 "No more threads"))
9798 (defun gnus-summary-prev-thread (n)
9799 "Go to the same level previous N'th thread.
9800 Returns the difference between N and the number of skips actually
9803 (gnus-summary-next-thread (- n)))
9805 (defun gnus-summary-go-down-thread ()
9806 "Go down one level in the current thread."
9807 (let ((children (gnus-summary-article-children)))
9809 (gnus-summary-goto-subject (car children)))))
9811 (defun gnus-summary-go-up-thread ()
9812 "Go up one level in the current thread."
9813 (let ((parent (gnus-summary-article-parent)))
9815 (gnus-summary-goto-subject parent))))
9817 (defun gnus-summary-down-thread (n)
9818 "Go down thread N steps.
9819 If N is negative, go up instead.
9820 Returns the difference between N and how many steps down that were
9826 (if up (gnus-summary-go-up-thread)
9827 (gnus-summary-go-down-thread)))
9829 (gnus-summary-position-point)
9831 (gnus-message 7 "Can't go further"))
9834 (defun gnus-summary-up-thread (n)
9835 "Go up thread N steps.
9836 If N is negative, go down instead.
9837 Returns the difference between N and how many steps down that were
9840 (gnus-summary-down-thread (- n)))
9842 (defun gnus-summary-top-thread ()
9843 "Go to the top of the thread."
9845 (while (gnus-summary-go-up-thread))
9846 (gnus-summary-article-number))
9848 (defun gnus-summary-kill-thread (&optional unmark)
9849 "Mark articles under current thread as read.
9850 If the prefix argument is positive, remove any kinds of marks.
9851 If the prefix argument is negative, tick articles instead."
9854 (setq unmark (prefix-numeric-value unmark)))
9855 (let ((articles (gnus-summary-articles-in-thread)))
9857 ;; Expand the thread.
9858 (gnus-summary-show-thread)
9859 ;; Mark all the articles.
9861 (gnus-summary-goto-subject (car articles))
9862 (cond ((null unmark)
9863 (gnus-summary-mark-article-as-read gnus-killed-mark))
9865 (gnus-summary-mark-article-as-unread gnus-unread-mark))
9867 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
9868 (setq articles (cdr articles))))
9869 ;; Hide killed subtrees.
9871 gnus-thread-hide-killed
9872 (gnus-summary-hide-thread))
9873 ;; If marked as read, go to next unread subject.
9875 ;; Go to next unread subject.
9876 (gnus-summary-next-subject 1 t)))
9877 (gnus-set-mode-line 'summary))
9879 ;; Summary sorting commands
9881 (defun gnus-summary-sort-by-number (&optional reverse)
9882 "Sort the summary buffer by article number.
9883 Argument REVERSE means reverse order."
9885 (gnus-summary-sort 'number reverse))
9887 (defun gnus-summary-sort-by-author (&optional reverse)
9888 "Sort the summary buffer by author name alphabetically.
9889 If `case-fold-search' is non-nil, case of letters is ignored.
9890 Argument REVERSE means reverse order."
9892 (gnus-summary-sort 'author reverse))
9894 (defun gnus-summary-sort-by-subject (&optional reverse)
9895 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
9896 If `case-fold-search' is non-nil, case of letters is ignored.
9897 Argument REVERSE means reverse order."
9899 (gnus-summary-sort 'subject reverse))
9901 (defun gnus-summary-sort-by-date (&optional reverse)
9902 "Sort the summary buffer by date.
9903 Argument REVERSE means reverse order."
9905 (gnus-summary-sort 'date reverse))
9907 (defun gnus-summary-sort-by-score (&optional reverse)
9908 "Sort the summary buffer by score.
9909 Argument REVERSE means reverse order."
9911 (gnus-summary-sort 'score reverse))
9913 (defun gnus-summary-sort-by-lines (&optional reverse)
9914 "Sort the summary buffer by the number of lines.
9915 Argument REVERSE means reverse order."
9917 (gnus-summary-sort 'lines reverse))
9919 (defun gnus-summary-sort-by-chars (&optional reverse)
9920 "Sort the summary buffer by article length.
9921 Argument REVERSE means reverse order."
9923 (gnus-summary-sort 'chars reverse))
9925 (defun gnus-summary-sort-by-original (&optional reverse)
9926 "Sort the summary buffer using the default sorting method.
9927 Argument REVERSE means reverse order."
9929 (let* ((buffer-read-only)
9930 (gnus-summary-prepare-hook nil))
9931 ;; We do the sorting by regenerating the threads.
9932 (gnus-summary-prepare)
9933 ;; Hide subthreads if needed.
9934 (gnus-summary-maybe-hide-threads)))
9936 (defun gnus-summary-sort (predicate reverse)
9937 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
9938 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
9939 (article (intern (format "gnus-article-sort-by-%s" predicate)))
9940 (gnus-thread-sort-functions
9945 (gnus-sort-gathered-threads-function
9946 gnus-thread-sort-functions)
9947 (gnus-article-sort-functions
9953 (gnus-summary-prepare-hook nil))
9954 ;; We do the sorting by regenerating the threads.
9955 (gnus-summary-prepare)
9956 ;; Hide subthreads if needed.
9957 (gnus-summary-maybe-hide-threads)))
9959 ;; Summary saving commands.
9961 (defun gnus-summary-save-article (&optional n not-saved)
9962 "Save the current article using the default saver function.
9963 If N is a positive number, save the N next articles.
9964 If N is a negative number, save the N previous articles.
9965 If N is nil and any articles have been marked with the process mark,
9966 save those articles instead.
9967 The variable `gnus-default-article-saver' specifies the saver function."
9969 (let* ((articles (gnus-summary-work-articles n))
9970 (save-buffer (save-excursion
9971 (nnheader-set-temp-buffer " *Gnus Save*")))
9972 (num (length articles))
9974 (dolist (article articles)
9975 (setq header (gnus-summary-article-header article))
9976 (if (not (vectorp header))
9977 ;; This is a pseudo-article.
9978 (if (assq 'name header)
9979 (gnus-copy-file (cdr (assq 'name header)))
9980 (gnus-message 1 "Article %d is unsaveable" article))
9981 ;; This is a real article.
9982 (save-window-excursion
9983 (let ((gnus-display-mime-function nil)
9984 (gnus-article-prepare-hook nil))
9985 (gnus-summary-select-article t nil nil article)))
9987 (set-buffer save-buffer)
9989 (insert-buffer-substring gnus-original-article-buffer))
9990 (setq file (gnus-article-save save-buffer file num))
9991 (gnus-summary-remove-process-mark article)
9993 (gnus-summary-set-saved-mark article))))
9994 (gnus-kill-buffer save-buffer)
9995 (gnus-summary-position-point)
9996 (gnus-set-mode-line 'summary)
9999 (defun gnus-summary-pipe-output (&optional arg)
10000 "Pipe the current article to a subprocess.
10001 If N is a positive number, pipe the N next articles.
10002 If N is a negative number, pipe the N previous articles.
10003 If N is nil and any articles have been marked with the process mark,
10004 pipe those articles instead."
10006 (require 'gnus-art)
10007 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe))
10008 (gnus-summary-save-article arg t))
10009 (let ((buffer (get-buffer "*Shell Command Output*")))
10011 (with-current-buffer buffer (> (point-max) (point-min))))
10012 (gnus-configure-windows 'pipe))))
10014 (defun gnus-summary-save-article-mail (&optional arg)
10015 "Append the current article to an mail file.
10016 If N is a positive number, save the N next articles.
10017 If N is a negative number, save the N previous articles.
10018 If N is nil and any articles have been marked with the process mark,
10019 save those articles instead."
10021 (require 'gnus-art)
10022 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
10023 (gnus-summary-save-article arg)))
10025 (defun gnus-summary-save-article-rmail (&optional arg)
10026 "Append the current article to an rmail file.
10027 If N is a positive number, save the N next articles.
10028 If N is a negative number, save the N previous articles.
10029 If N is nil and any articles have been marked with the process mark,
10030 save those articles instead."
10032 (require 'gnus-art)
10033 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
10034 (gnus-summary-save-article arg)))
10036 (defun gnus-summary-save-article-file (&optional arg)
10037 "Append the current article to a file.
10038 If N is a positive number, save the N next articles.
10039 If N is a negative number, save the N previous articles.
10040 If N is nil and any articles have been marked with the process mark,
10041 save those articles instead."
10043 (require 'gnus-art)
10044 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
10045 (gnus-summary-save-article arg)))
10047 (defun gnus-summary-write-article-file (&optional arg)
10048 "Write the current article to a file, deleting the previous file.
10049 If N is a positive number, save the N next articles.
10050 If N is a negative number, save the N previous articles.
10051 If N is nil and any articles have been marked with the process mark,
10052 save those articles instead."
10054 (require 'gnus-art)
10055 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
10056 (gnus-summary-save-article arg)))
10058 (defun gnus-summary-save-article-body-file (&optional arg)
10059 "Append the current article body to a file.
10060 If N is a positive number, save the N next articles.
10061 If N is a negative number, save the N previous articles.
10062 If N is nil and any articles have been marked with the process mark,
10063 save those articles instead."
10065 (require 'gnus-art)
10066 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
10067 (gnus-summary-save-article arg)))
10069 (defun gnus-summary-muttprint (&optional arg)
10070 "Print the current article using Muttprint.
10071 If N is a positive number, save the N next articles.
10072 If N is a negative number, save the N previous articles.
10073 If N is nil and any articles have been marked with the process mark,
10074 save those articles instead."
10076 (require 'gnus-art)
10077 (let ((gnus-default-article-saver 'gnus-summary-pipe-to-muttprint))
10078 (gnus-summary-save-article arg t)))
10080 (defun gnus-summary-pipe-message (program)
10081 "Pipe the current article through PROGRAM."
10082 (interactive "sProgram: ")
10083 (gnus-summary-select-article)
10084 (let ((mail-header-separator ""))
10085 (gnus-eval-in-buffer-window gnus-article-buffer
10088 (let ((start (window-start))
10090 (message-pipe-buffer-body program)
10091 (set-window-start (get-buffer-window (current-buffer)) start))))))
10093 (defun gnus-get-split-value (methods)
10094 "Return a value based on the split METHODS."
10095 (let (split-name method result match)
10098 (set-buffer gnus-original-article-buffer)
10100 (nnheader-narrow-to-headers)
10101 (while (and methods (not split-name))
10102 (goto-char (point-min))
10103 (setq method (pop methods))
10104 (setq match (car method))
10107 ;; Regular expression.
10109 (re-search-forward match nil t)))
10110 ((gnus-functionp match)
10114 (setq result (funcall match gnus-newsgroup-name))))
10119 (setq result (eval match)))))
10120 (setq split-name (cdr method))
10121 (cond ((stringp result)
10122 (push (expand-file-name
10123 result gnus-article-save-directory)
10126 (setq split-name (append result split-name)))))))))
10127 (nreverse split-name)))
10129 (defun gnus-valid-move-group-p (group)
10130 (and (boundp group)
10131 (symbol-name group)
10132 (symbol-value group)
10133 (gnus-get-function (gnus-find-method-for-group
10134 (symbol-name group)) 'request-accept-article t)))
10136 (defun gnus-read-move-group-name (prompt default articles prefix)
10137 "Read a group name."
10138 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
10139 (minibuffer-confirm-incomplete nil) ; XEmacs
10141 (format "%s %s to:"
10143 (if (> (length articles) 1)
10144 (format "these %d articles" (length articles))
10149 (gnus-completing-read default prom
10151 'gnus-valid-move-group-p
10153 'gnus-group-history))
10154 ((= 1 (length split-name))
10155 (gnus-completing-read (car split-name) prom
10157 'gnus-valid-move-group-p
10159 'gnus-group-history))
10161 (gnus-completing-read nil prom
10162 (mapcar (lambda (el) (list el))
10163 (nreverse split-name))
10165 'gnus-group-history))))
10166 (to-method (gnus-server-to-method (gnus-group-method to-newsgroup))))
10168 (if (or (string= to-newsgroup "")
10169 (string= to-newsgroup prefix))
10170 (setq to-newsgroup default))
10171 (unless to-newsgroup
10172 (error "No group name entered"))
10173 (or (gnus-active to-newsgroup)
10174 (gnus-activate-group to-newsgroup nil nil to-method)
10175 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
10177 (or (and (gnus-request-create-group to-newsgroup to-method)
10178 (gnus-activate-group
10179 to-newsgroup nil nil to-method)
10180 (gnus-subscribe-group to-newsgroup))
10181 (error "Couldn't create group %s" to-newsgroup)))
10182 (error "No such group: %s" to-newsgroup)))
10185 (defun gnus-summary-save-parts (type dir n &optional reverse)
10186 "Save parts matching TYPE to DIR.
10187 If REVERSE, save parts that do not match TYPE."
10189 (list (read-string "Save parts of type: "
10190 (or (car gnus-summary-save-parts-type-history)
10191 gnus-summary-save-parts-default-mime)
10192 'gnus-summary-save-parts-type-history)
10193 (setq gnus-summary-save-parts-last-directory
10194 (read-file-name "Save to directory: "
10195 gnus-summary-save-parts-last-directory
10197 current-prefix-arg))
10198 (gnus-summary-iterate n
10199 (let ((gnus-display-mime-function nil)
10200 (gnus-inhibit-treatment t))
10201 (gnus-summary-select-article))
10203 (set-buffer gnus-article-buffer)
10204 (let ((handles (or gnus-article-mime-handles
10205 (mm-dissect-buffer) (mm-uu-dissect))))
10207 (gnus-summary-save-parts-1 type dir handles reverse)
10208 (unless gnus-article-mime-handles ;; Don't destroy this case.
10209 (mm-destroy-parts handles)))))))
10211 (defun gnus-summary-save-parts-1 (type dir handle reverse)
10212 (if (stringp (car handle))
10213 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
10216 (not (string-match type (mm-handle-media-type handle)))
10217 (string-match type (mm-handle-media-type handle)))
10218 (let ((file (expand-file-name
10219 (file-name-nondirectory
10221 (mail-content-type-get
10222 (mm-handle-disposition handle) 'filename)
10223 (concat gnus-newsgroup-name
10224 "." (number-to-string
10225 (cdr gnus-article-current)))))
10227 (unless (file-exists-p file)
10228 (mm-save-part-to-file handle file))))))
10230 ;; Summary extract commands
10232 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
10233 (let ((buffer-read-only nil)
10234 (article (gnus-summary-article-number))
10236 (unless (gnus-summary-goto-subject article)
10237 (error "No such article: %d" article))
10238 (gnus-summary-position-point)
10239 ;; If all commands are to be bunched up on one line, we collect
10241 (unless gnus-view-pseudos-separately
10242 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
10245 (setq action (cdr (assq 'action (car ps))))
10246 (setq files (list (cdr (assq 'name (car ps)))))
10247 (while (and ps (cdr ps)
10248 (string= (or action "1")
10249 (or (cdr (assq 'action (cadr ps))) "2")))
10250 (push (cdr (assq 'name (cadr ps))) files)
10251 (setcdr ps (cddr ps)))
10253 (when (not (string-match "%s" action))
10256 (when (assq 'execute (car ps))
10257 (setcdr (assq 'execute (car ps))
10258 (funcall (if (string-match "%s" action)
10267 (setq ps (cdr ps)))))
10268 (if (and gnus-view-pseudos (not not-view))
10270 (when (assq 'execute (car pslist))
10271 (gnus-execute-command (cdr (assq 'execute (car pslist)))
10272 (eq gnus-view-pseudos 'not-confirm)))
10273 (setq pslist (cdr pslist)))
10276 (setq after-article (or (cdr (assq 'article (car pslist)))
10277 (gnus-summary-article-number)))
10278 (gnus-summary-goto-subject after-article)
10281 (insert " " (file-name-nondirectory
10282 (cdr (assq 'name (car pslist))))
10283 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
10285 (forward-line -1) ; back to `b'
10286 (gnus-add-text-properties
10287 b (1- e) (list 'gnus-number gnus-reffed-article-number
10288 gnus-mouse-face-prop gnus-mouse-face))
10290 after-article gnus-reffed-article-number
10291 gnus-unread-mark b (car pslist) 0 (- e b))
10292 (push gnus-reffed-article-number gnus-newsgroup-unreads)
10293 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
10294 (setq pslist (cdr pslist)))))))
10296 (defun gnus-pseudos< (p1 p2)
10297 (let ((c1 (cdr (assq 'action p1)))
10298 (c2 (cdr (assq 'action p2))))
10299 (and c1 c2 (string< c1 c2))))
10301 (defun gnus-request-pseudo-article (props)
10302 (cond ((assq 'execute props)
10303 (gnus-execute-command (cdr (assq 'execute props)))))
10304 (let ((gnus-current-article (gnus-summary-article-number)))
10305 (gnus-run-hooks 'gnus-mark-article-hook)))
10307 (defun gnus-execute-command (command &optional automatic)
10309 (gnus-article-setup-buffer)
10310 (set-buffer gnus-article-buffer)
10311 (setq buffer-read-only nil)
10312 (let ((command (if automatic command
10313 (read-string "Command: " (cons command 0)))))
10315 (insert "$ " command "\n\n")
10316 (if gnus-view-pseudo-asynchronously
10317 (start-process "gnus-execute" (current-buffer) shell-file-name
10318 shell-command-switch command)
10319 (call-process shell-file-name nil t nil
10320 shell-command-switch command)))))
10322 ;; Summary kill commands.
10324 (defun gnus-summary-edit-global-kill (article)
10325 "Edit the \"global\" kill file."
10326 (interactive (list (gnus-summary-article-number)))
10327 (gnus-group-edit-global-kill article))
10329 (defun gnus-summary-edit-local-kill ()
10330 "Edit a local kill file applied to the current newsgroup."
10332 (setq gnus-current-headers (gnus-summary-article-header))
10333 (gnus-group-edit-local-kill
10334 (gnus-summary-article-number) gnus-newsgroup-name))
10336 ;;; Header reading.
10338 (defun gnus-read-header (id &optional header)
10339 "Read the headers of article ID and enter them into the Gnus system."
10340 (let ((group gnus-newsgroup-name)
10341 (gnus-override-method
10343 gnus-override-method
10344 (and (gnus-news-group-p gnus-newsgroup-name)
10345 (car (gnus-refer-article-methods)))))
10347 ;; First we check to see whether the header in question is already
10350 ;; This is a Message-ID.
10351 (setq header (or header (gnus-id-to-header id)))
10352 ;; This is an article number.
10353 (setq header (or header (gnus-summary-article-header id))))
10355 (not (gnus-summary-article-sparse-p (mail-header-number header))))
10356 ;; We have found the header.
10358 ;; If this is a sparse article, we have to nix out its
10359 ;; previous entry in the thread hashtb.
10361 (gnus-summary-article-sparse-p (mail-header-number header)))
10362 (let* ((parent (gnus-parent-id (mail-header-references header)))
10363 (thread (and parent (gnus-id-to-thread parent))))
10365 (delq (assq header thread) thread))))
10366 ;; We have to really fetch the header to this article.
10368 (set-buffer nntp-server-buffer)
10369 (when (setq where (gnus-request-head id group))
10370 (nnheader-fold-continuation-lines)
10371 (goto-char (point-max))
10373 (goto-char (point-min))
10377 ((cdr where) (cdr where))
10378 (header (mail-header-number header))
10379 (t gnus-reffed-article-number))
10381 (insert " Article retrieved.\n"))
10382 (if (or (not where)
10383 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
10384 () ; Malformed head.
10385 (unless (gnus-summary-article-sparse-p (mail-header-number header))
10386 (when (and (stringp id)
10387 (not (string= (gnus-group-real-name group)
10389 ;; If we fetched by Message-ID and the article came
10390 ;; from a different group, we fudge some bogus article
10391 ;; numbers for this article.
10392 (mail-header-set-number header gnus-reffed-article-number))
10394 (set-buffer gnus-summary-buffer)
10395 (decf gnus-reffed-article-number)
10396 (gnus-remove-header (mail-header-number header))
10397 (push header gnus-newsgroup-headers)
10398 (setq gnus-current-headers header)
10399 (push (mail-header-number header) gnus-newsgroup-limit)))
10402 (defun gnus-remove-header (number)
10403 "Remove header NUMBER from `gnus-newsgroup-headers'."
10404 (if (and gnus-newsgroup-headers
10405 (= number (mail-header-number (car gnus-newsgroup-headers))))
10406 (pop gnus-newsgroup-headers)
10407 (let ((headers gnus-newsgroup-headers))
10408 (while (and (cdr headers)
10409 (not (= number (mail-header-number (cadr headers)))))
10411 (when (cdr headers)
10412 (setcdr headers (cddr headers))))))
10415 ;;; summary highlights
10418 (defun gnus-highlight-selected-summary ()
10419 "Highlight selected article in summary buffer."
10420 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
10421 (when gnus-summary-selected-face
10423 (let* ((beg (progn (beginning-of-line) (point)))
10424 (end (progn (end-of-line) (point)))
10425 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
10426 (from (if (get-text-property beg gnus-mouse-face-prop)
10428 (or (next-single-property-change
10429 beg gnus-mouse-face-prop nil end)
10434 (or (next-single-property-change
10435 from gnus-mouse-face-prop nil end)
10437 ;; If no mouse-face prop on line we will have to = from = end,
10438 ;; so we highlight the entire line instead.
10439 (when (= (+ to 2) from)
10442 (if gnus-newsgroup-selected-overlay
10443 ;; Move old overlay.
10445 gnus-newsgroup-selected-overlay from to (current-buffer))
10446 ;; Create new overlay.
10448 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
10449 'face gnus-summary-selected-face))))))
10451 ;; New implementation by Christian Limpach <Christian.Limpach@nice.ch>.
10452 (defun gnus-summary-highlight-line ()
10453 "Highlight current line according to `gnus-summary-highlight'."
10454 (let* ((list gnus-summary-highlight)
10456 (end (progn (end-of-line) (point)))
10457 ;; now find out where the line starts and leave point there.
10458 (beg (progn (beginning-of-line) (point)))
10459 (article (gnus-summary-article-number))
10460 (score (or (cdr (assq (or article gnus-current-article)
10461 gnus-newsgroup-scored))
10462 gnus-summary-default-score 0))
10463 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
10464 (inhibit-read-only t))
10465 ;; Eval the cars of the lists until we find a match.
10466 (let ((default gnus-summary-default-score)
10467 (default-high gnus-summary-default-high-score)
10468 (default-low gnus-summary-default-low-score))
10470 (not (eval (caar list))))
10471 (setq list (cdr list))))
10472 (let ((face (cdar list)))
10473 (unless (eq face (get-text-property beg 'face))
10474 (gnus-put-text-property-excluding-characters-with-faces
10476 (setq face (if (boundp face) (symbol-value face) face)))
10477 (when gnus-summary-highlight-line-function
10478 (funcall gnus-summary-highlight-line-function article face))))
10481 (defun gnus-update-read-articles (group unread &optional compute)
10482 "Update the list of read articles in GROUP."
10483 (let* ((active (or gnus-newsgroup-active (gnus-active group)))
10484 (entry (gnus-gethash group gnus-newsrc-hashtb))
10485 (info (nth 2 entry))
10487 (unread (sort (copy-sequence unread) '<))
10489 (if (or (not info) (not active))
10490 ;; There is no info on this group if it was, in fact,
10491 ;; killed. Gnus stores no information on killed groups, so
10492 ;; there's nothing to be done.
10493 ;; One could store the information somewhere temporarily,
10494 ;; perhaps... Hmmm...
10496 ;; Remove any negative articles numbers.
10497 (while (and unread (< (car unread) 0))
10498 (setq unread (cdr unread)))
10499 ;; Remove any expired article numbers
10500 (while (and unread (< (car unread) (car active)))
10501 (setq unread (cdr unread)))
10502 ;; Compute the ranges of read articles by looking at the list of
10503 ;; unread articles.
10505 (when (/= (car unread) prev)
10506 (push (if (= prev (1- (car unread))) prev
10507 (cons prev (1- (car unread))))
10509 (setq prev (1+ (car unread)))
10510 (setq unread (cdr unread)))
10511 (when (<= prev (cdr active))
10512 (push (cons prev (cdr active)) read))
10513 (setq read (if (> (length read) 1) (nreverse read) read))
10518 ;; Propagate the read marks to the backend.
10519 (when (gnus-check-backend-function 'request-set-mark group)
10520 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
10521 (add (gnus-remove-from-range read (gnus-info-read info))))
10523 (unless (gnus-check-group group)
10524 (error "Can't open server for %s" group))
10525 (gnus-request-set-mark
10526 group (delq nil (list (if add (list add 'add '(read)))
10527 (if del (list del 'del '(read))))))
10529 `(gnus-request-set-mark
10532 (if del (list del 'add '(read)))
10533 (if add (list add 'del '(read))))))))))
10534 (set-buffer gnus-group-buffer)
10535 (gnus-undo-register
10537 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
10538 (gnus-info-set-read ',info ',(gnus-info-read info))
10539 (gnus-get-unread-articles-in-group ',info
10540 (gnus-active ,group))
10541 (gnus-group-update-group ,group t)
10543 ;; Enter this list into the group info.
10544 (gnus-info-set-read info read)
10545 ;; Set the number of unread articles in gnus-newsrc-hashtb.
10546 (gnus-get-unread-articles-in-group info (gnus-active group))
10549 (defun gnus-offer-save-summaries ()
10550 "Offer to save all active summary buffers."
10552 ;; Go through all buffers and find all summaries.
10553 (dolist (buffer (buffer-list))
10554 (when (and (setq buffer (buffer-name buffer))
10555 (string-match "Summary" buffer)
10557 (set-buffer buffer)
10558 ;; We check that this is, indeed, a summary buffer.
10559 (and (eq major-mode 'gnus-summary-mode)
10560 ;; Also make sure this isn't bogus.
10561 gnus-newsgroup-prepared
10562 ;; Also make sure that this isn't a
10563 ;; dead summary buffer.
10564 (not gnus-dead-summary-mode))))
10565 (push buffer buffers)))
10566 ;; Go through all these summary buffers and offer to save them.
10570 "Update summary buffer %s? "
10572 (switch-to-buffer buf)
10573 (gnus-summary-exit))
10576 (defun gnus-summary-setup-default-charset ()
10577 "Setup newsgroup default charset."
10578 (if (equal gnus-newsgroup-name "nndraft:drafts")
10579 (setq gnus-newsgroup-charset nil)
10580 (let* ((ignored-charsets
10581 (or gnus-newsgroup-ephemeral-ignored-charsets
10583 (and gnus-newsgroup-name
10584 (gnus-parameter-ignored-charsets gnus-newsgroup-name))
10585 gnus-newsgroup-ignored-charsets))))
10586 (setq gnus-newsgroup-charset
10587 (or gnus-newsgroup-ephemeral-charset
10588 (and gnus-newsgroup-name
10589 (gnus-parameter-charset gnus-newsgroup-name))
10590 gnus-default-charset))
10591 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
10592 ignored-charsets))))
10598 (defun gnus-summary-display-buttonized (&optional show-all-parts)
10599 "Display the current article buffer fully MIME-buttonized.
10600 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
10601 treated as multipart/mixed."
10603 (require 'gnus-art)
10604 (let ((gnus-unbuttonized-mime-types nil)
10605 (gnus-mime-display-multipart-as-mixed show-all-parts))
10606 (gnus-summary-show-article)))
10608 (defun gnus-summary-repair-multipart (article)
10609 "Add a Content-Type header to a multipart article without one."
10610 (interactive (list (gnus-summary-article-number)))
10611 (gnus-with-article article
10612 (message-narrow-to-head)
10613 (message-remove-header "Mime-Version")
10614 (goto-char (point-max))
10615 (insert "Mime-Version: 1.0\n")
10617 (when (search-forward "\n--" nil t)
10618 (let ((separator (buffer-substring (point) (gnus-point-at-eol))))
10619 (message-narrow-to-head)
10620 (message-remove-header "Content-Type")
10621 (goto-char (point-max))
10622 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
10625 (let (gnus-mark-article-hook)
10626 (gnus-summary-select-article t t nil article)))
10628 (defun gnus-summary-toggle-display-buttonized ()
10629 "Toggle the buttonizing of the article buffer."
10631 (require 'gnus-art)
10632 (if (setq gnus-inhibit-mime-unbuttonizing
10633 (not gnus-inhibit-mime-unbuttonizing))
10634 (let ((gnus-unbuttonized-mime-types nil))
10635 (gnus-summary-show-article))
10636 (gnus-summary-show-article)))
10639 ;;; Generic summary marking commands
10642 (defvar gnus-summary-marking-alist
10643 '((read gnus-del-mark "d")
10644 (unread gnus-unread-mark "u")
10645 (ticked gnus-ticked-mark "!")
10646 (dormant gnus-dormant-mark "?")
10647 (expirable gnus-expirable-mark "e"))
10648 "An alist of names/marks/keystrokes.")
10650 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
10651 (defvar gnus-summary-mark-map)
10653 (defun gnus-summary-make-all-marking-commands ()
10654 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
10655 (dolist (elem gnus-summary-marking-alist)
10656 (apply 'gnus-summary-make-marking-command elem)))
10658 (defun gnus-summary-make-marking-command (name mark keystroke)
10659 (let ((map (make-sparse-keymap)))
10660 (define-key gnus-summary-generic-mark-map keystroke map)
10661 (dolist (lway `((next "next" next nil "n")
10662 (next-unread "next unread" next t "N")
10663 (prev "previous" prev nil "p")
10664 (prev-unread "previous unread" prev t "P")
10665 (nomove "" nil nil ,keystroke)))
10666 (let ((func (gnus-summary-make-marking-command-1
10667 mark (car lway) lway name)))
10668 (setq func (eval func))
10669 (define-key map (nth 4 lway) func)))))
10671 (defun gnus-summary-make-marking-command-1 (mark way lway name)
10673 (format "gnus-summary-put-mark-as-%s%s"
10674 name (if (eq way 'nomove)
10676 (concat "-" (symbol-name way)))))
10679 "Mark the current article as %s%s.
10680 If N, the prefix, then repeat N times.
10681 If N is negative, move in reverse order.
10682 The difference between N and the actual number of articles marked is
10686 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
10688 (defun gnus-summary-generic-mark (n mark move unread)
10689 "Mark N articles with MARK."
10690 (unless (eq major-mode 'gnus-summary-mode)
10691 (error "This command can only be used in the summary buffer"))
10692 (gnus-summary-show-thread)
10695 ((eq move 'next) 1)
10696 ((eq move 'prev) -1)
10698 (if (zerop nummove)
10702 nummove (* -1 nummove))))
10703 (while (and (> n 0)
10704 (gnus-summary-mark-article nil mark)
10705 (zerop (gnus-summary-next-subject nummove unread t)))
10708 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
10709 (gnus-summary-recenter)
10710 (gnus-summary-position-point)
10711 (gnus-set-mode-line 'summary)
10714 (defun gnus-summary-insert-articles (articles)
10715 (when (setq articles
10716 (gnus-set-difference articles
10717 (mapcar (lambda (h) (mail-header-number h))
10718 gnus-newsgroup-headers)))
10719 (setq gnus-newsgroup-headers
10721 gnus-newsgroup-headers
10722 (gnus-fetch-headers articles)
10723 'gnus-article-sort-by-number))
10724 ;; Suppress duplicates?
10725 (when gnus-suppress-duplicates
10726 (gnus-dup-suppress-articles))
10728 ;; We might want to build some more threads first.
10729 (when (and gnus-fetch-old-headers
10730 (eq gnus-headers-retrieved-by 'nov))
10731 (if (eq gnus-fetch-old-headers 'invisible)
10732 (gnus-build-all-threads)
10733 (gnus-build-old-threads)))
10734 ;; Let the Gnus agent mark articles as read.
10736 (gnus-agent-get-undownloaded-list))
10737 ;; Remove list identifiers from subject
10738 (when gnus-list-identifiers
10739 (gnus-summary-remove-list-identifiers))
10740 ;; First and last article in this newsgroup.
10741 (when gnus-newsgroup-headers
10742 (setq gnus-newsgroup-begin
10743 (mail-header-number (car gnus-newsgroup-headers))
10745 (mail-header-number
10746 (gnus-last-element gnus-newsgroup-headers))))
10747 (when gnus-use-scoring
10748 (gnus-possibly-score-headers))))
10750 (defun gnus-summary-insert-old-articles (&optional all)
10751 "Insert all old articles in this group.
10752 If ALL is non-nil, already read articles become readable.
10753 If ALL is a number, fetch this number of articles."
10756 (let ((old (mapcar 'car gnus-newsgroup-data))
10757 (i (car gnus-newsgroup-active))
10759 (while (<= i (cdr gnus-newsgroup-active))
10760 (or (memq i old) (push i older))
10762 (setq len (length older))
10767 (setq older (subseq older 0 all))))
10770 (if (and (numberp gnus-large-newsgroup)
10771 (> len gnus-large-newsgroup))
10775 "How many articles from %s (default %d): "
10777 (gnus-group-decoded-name gnus-newsgroup-name) 35)
10779 (unless (string-match "^[ \t]*$" input)
10780 (setq all (string-to-number input))
10782 (setq older (subseq older 0 all))))))))
10784 (message "No old news.")
10785 (gnus-summary-insert-articles older)
10786 (gnus-summary-limit (gnus-union older old))))
10787 (gnus-summary-position-point)))
10789 (defun gnus-summary-insert-new-articles ()
10790 "Insert all new articles in this group."
10793 (let ((old (mapcar 'car gnus-newsgroup-data))
10794 (old-active gnus-newsgroup-active)
10795 (nnmail-fetched-sources (list t))
10797 (setq gnus-newsgroup-active
10798 (gnus-activate-group gnus-newsgroup-name 'scan))
10799 (setq i (1+ (cdr old-active)))
10800 (while (<= i (cdr gnus-newsgroup-active))
10804 (message "No gnus is bad news.")
10805 (setq new (nreverse new))
10806 (gnus-summary-insert-articles new)
10807 (setq gnus-newsgroup-unreads
10808 (append gnus-newsgroup-unreads new))
10809 (gnus-summary-limit (gnus-union old new))))
10810 (gnus-summary-position-point)))
10812 (gnus-summary-make-all-marking-commands)
10814 (gnus-ems-redefine)
10816 (provide 'gnus-sum)
10818 (run-hooks 'gnus-sum-load-hook)
10820 ;;; gnus-sum.el ends here