1 ;;; gnus-sum.el --- summary mode commands for Gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000
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))
39 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
40 (autoload 'gnus-cache-write-active "gnus-cache")
41 (autoload 'gnus-mailing-list-insinuate "gnus-ml" nil t)
43 (defcustom gnus-kill-summary-on-exit t
44 "*If non-nil, kill the summary buffer when you exit from it.
45 If nil, the summary will become a \"*Dead Summary*\" buffer, and
46 it will be killed sometime later."
47 :group 'gnus-summary-exit
50 (defcustom gnus-fetch-old-headers nil
51 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
52 If an unread article in the group refers to an older, already read (or
53 just marked as read) article, the old article will not normally be
54 displayed in the Summary buffer. If this variable is non-nil, Gnus
55 will attempt to grab the headers to the old articles, and thereby
56 build complete threads. If it has the value `some', only enough
57 headers to connect otherwise loose threads will be displayed. This
58 variable can also be a number. In that case, no more than that number
59 of old headers will be fetched. If it has the value `invisible', all
60 old headers will be fetched, but none will be displayed.
62 The server has to support NOV for any of this to work."
64 :type '(choice (const :tag "off" nil)
67 (sexp :menu-tag "other" t)))
69 (defcustom gnus-refer-thread-limit 200
70 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
71 If t, fetch all the available old headers."
74 (sexp :menu-tag "other" t)))
76 (defcustom gnus-summary-make-false-root 'adopt
77 "*nil means that Gnus won't gather loose threads.
78 If the root of a thread has expired or been read in a previous
79 session, the information necessary to build a complete thread has been
80 lost. Instead of having many small sub-threads from this original thread
81 scattered all over the summary buffer, Gnus can gather them.
83 If non-nil, Gnus will try to gather all loose sub-threads from an
84 original thread into one large thread.
86 If this variable is non-nil, it should be one of `none', `adopt',
89 If this variable is `none', Gnus will not make a false root, but just
90 present the sub-threads after another.
91 If this variable is `dummy', Gnus will create a dummy root that will
92 have all the sub-threads as children.
93 If this variable is `adopt', Gnus will make one of the \"children\"
94 the parent and mark all the step-children as such.
95 If this variable is `empty', the \"children\" are printed with empty
96 subject fields. (Or rather, they will be printed with a string
97 given by the `gnus-summary-same-subject' variable.)"
99 :type '(choice (const :tag "off" nil)
105 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
106 "*A regexp to match subjects to be excluded from loose thread gathering.
107 As loose thread gathering is done on subjects only, that means that
108 there can be many false gatherings performed. By rooting out certain
109 common subjects, gathering might become saner."
113 (defcustom gnus-summary-gather-subject-limit nil
114 "*Maximum length of subject comparisons when gathering loose threads.
115 Use nil to compare full subjects. Setting this variable to a low
116 number will help gather threads that have been corrupted by
117 newsreaders chopping off subject lines, but it might also mean that
118 unrelated articles that have subject that happen to begin with the
119 same few characters will be incorrectly gathered.
121 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
124 :type '(choice (const :tag "off" nil)
126 (sexp :menu-tag "on" t)))
128 (defcustom gnus-simplify-subject-functions nil
129 "List of functions taking a string argument that simplify subjects.
130 The functions are applied recursively.
132 Useful functions to put in this list include: `gnus-simplify-subject-re',
133 `gnus-simplify-subject-fuzzy' and `gnus-simplify-whitespace'."
135 :type '(repeat function))
137 (defcustom gnus-simplify-ignored-prefixes nil
138 "*Regexp, matches for which are removed from subject lines when simplifying fuzzily."
140 :type '(choice (const :tag "off" nil)
143 (defcustom gnus-build-sparse-threads nil
144 "*If non-nil, fill in the gaps in threads.
145 If `some', only fill in the gaps that are needed to tie loose threads
146 together. If `more', fill in all leaf nodes that Gnus can find. If
147 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
149 :type '(choice (const :tag "off" nil)
152 (sexp :menu-tag "all" t)))
154 (defcustom gnus-summary-thread-gathering-function
155 'gnus-gather-threads-by-subject
156 "*Function used for gathering loose threads.
157 There are two pre-defined functions: `gnus-gather-threads-by-subject',
158 which only takes Subjects into consideration; and
159 `gnus-gather-threads-by-references', which compared the References
160 headers of the articles to find matches."
162 :type '(radio (function-item gnus-gather-threads-by-subject)
163 (function-item gnus-gather-threads-by-references)
164 (function :tag "other")))
166 (defcustom gnus-summary-same-subject ""
167 "*String indicating that the current article has the same subject as the previous.
168 This variable will only be used if the value of
169 `gnus-summary-make-false-root' is `empty'."
170 :group 'gnus-summary-format
173 (defcustom gnus-summary-goto-unread t
174 "*If t, many commands will go to the next unread article.
175 This applies to marking commands as well as other commands that
176 \"naturally\" select the next article, like, for instance, `SPC' at
177 the end of an article.
179 If nil, the marking commands do NOT go to the next unread article
180 (they go to the next article instead). If `never', commands that
181 usually go to the next unread article, will go to the next article,
182 whether it is read or not."
183 :group 'gnus-summary-marks
184 :link '(custom-manual "(gnus)Setting Marks")
185 :type '(choice (const :tag "off" nil)
187 (sexp :menu-tag "on" t)))
189 (defcustom gnus-summary-default-score 0
190 "*Default article score level.
191 All scores generated by the score files will be added to this score.
192 If this variable is nil, scoring will be disabled."
193 :group 'gnus-score-default
194 :type '(choice (const :tag "disable")
197 (defcustom gnus-summary-zcore-fuzz 0
198 "*Fuzziness factor for the zcore in the summary buffer.
199 Articles with scores closer than this to `gnus-summary-default-score'
201 :group 'gnus-summary-format
204 (defcustom gnus-simplify-subject-fuzzy-regexp nil
205 "*Strings to be removed when doing fuzzy matches.
206 This can either be a regular expression or list of regular expressions
207 that will be removed from subject strings if fuzzy subject
208 simplification is selected."
210 :type '(repeat regexp))
212 (defcustom gnus-show-threads t
213 "*If non-nil, display threads in summary mode."
217 (defcustom gnus-thread-hide-subtree nil
218 "*If non-nil, hide all threads initially.
219 If threads are hidden, you have to run the command
220 `gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
221 to expose hidden threads."
225 (defcustom gnus-thread-hide-killed t
226 "*If non-nil, hide killed threads automatically."
230 (defcustom gnus-thread-ignore-subject t
231 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
232 If nil, articles that have different subjects from their parents will
233 start separate threads."
237 (defcustom gnus-thread-operation-ignore-subject t
238 "*If non-nil, subjects will be ignored when doing thread commands.
239 This affects commands like `gnus-summary-kill-thread' and
240 `gnus-summary-lower-thread'.
242 If this variable is nil, articles in the same thread with different
243 subjects will not be included in the operation in question. If this
244 variable is `fuzzy', only articles that have subjects that are fuzzily
245 equal will be included."
247 :type '(choice (const :tag "off" nil)
251 (defcustom gnus-thread-indent-level 4
252 "*Number that says how much each sub-thread should be indented."
256 (defcustom gnus-auto-extend-newsgroup t
257 "*If non-nil, extend newsgroup forward and backward when requested."
258 :group 'gnus-summary-choose
261 (defcustom gnus-auto-select-first t
262 "*If nil, don't select the first unread article when entering a group.
263 If this variable is `best', select the highest-scored unread article
264 in the group. If t, select the first unread article.
266 This variable can also be a function to place point on a likely
267 subject line. Useful values include `gnus-summary-first-unread-subject',
268 `gnus-summary-first-unread-article' and
269 `gnus-summary-best-unread-article'.
271 If you want to prevent automatic selection of the first unread article
272 in some newsgroups, set the variable to nil in
273 `gnus-select-group-hook'."
274 :group 'gnus-group-select
275 :type '(choice (const :tag "none" nil)
277 (sexp :menu-tag "first" t)
278 (function-item gnus-summary-first-unread-subject)
279 (function-item gnus-summary-first-unread-article)
280 (function-item gnus-summary-best-unread-article)))
282 (defcustom gnus-auto-select-next t
283 "*If non-nil, offer to go to the next group from the end of the previous.
284 If the value is t and the next newsgroup is empty, Gnus will exit
285 summary mode and go back to group mode. If the value is neither nil
286 nor t, Gnus will select the following unread newsgroup. In
287 particular, if the value is the symbol `quietly', the next unread
288 newsgroup will be selected without any confirmation, and if it is
289 `almost-quietly', the next group will be selected without any
290 confirmation if you are located on the last article in the group.
291 Finally, if this variable is `slightly-quietly', the `Z n' command
292 will go to the next group without confirmation."
293 :group 'gnus-summary-maneuvering
294 :type '(choice (const :tag "off" nil)
296 (const almost-quietly)
297 (const slightly-quietly)
298 (sexp :menu-tag "on" t)))
300 (defcustom gnus-auto-select-same nil
301 "*If non-nil, select the next article with the same subject.
302 If there are no more articles with the same subject, go to
303 the first unread article."
304 :group 'gnus-summary-maneuvering
307 (defcustom gnus-summary-check-current nil
308 "*If non-nil, consider the current article when moving.
309 The \"unread\" movement commands will stay on the same line if the
310 current article is unread."
311 :group 'gnus-summary-maneuvering
314 (defcustom gnus-auto-center-summary t
315 "*If non-nil, always center the current summary buffer.
316 In particular, if `vertical' do only vertical recentering. If non-nil
317 and non-`vertical', do both horizontal and vertical recentering."
318 :group 'gnus-summary-maneuvering
319 :type '(choice (const :tag "none" nil)
321 (integer :tag "height")
322 (sexp :menu-tag "both" t)))
324 (defcustom gnus-show-all-headers nil
325 "*If non-nil, don't hide any headers."
326 :group 'gnus-article-hiding
327 :group 'gnus-article-headers
330 (defcustom gnus-summary-ignore-duplicates nil
331 "*If non-nil, ignore articles with identical Message-ID headers."
335 (defcustom gnus-single-article-buffer t
336 "*If non-nil, display all articles in the same buffer.
337 If nil, each group will get its own article buffer."
338 :group 'gnus-article-various
341 (defcustom gnus-break-pages t
342 "*If non-nil, do page breaking on articles.
343 The page delimiter is specified by the `gnus-page-delimiter'
345 :group 'gnus-article-various
348 (defcustom gnus-move-split-methods nil
349 "*Variable used to suggest where articles are to be moved to.
350 It uses the same syntax as the `gnus-split-methods' variable.
351 However, whereas `gnus-split-methods' specifies file names as targets,
352 this variable specifies group names."
353 :group 'gnus-summary-mail
354 :type '(repeat (choice (list :value (fun) function)
355 (cons :value ("" "") regexp (repeat string))
358 (defcustom gnus-unread-mark ? ;Whitespace
359 "*Mark used for unread articles."
360 :group 'gnus-summary-marks
363 (defcustom gnus-ticked-mark ?!
364 "*Mark used for ticked articles."
365 :group 'gnus-summary-marks
368 (defcustom gnus-dormant-mark ??
369 "*Mark used for dormant articles."
370 :group 'gnus-summary-marks
373 (defcustom gnus-del-mark ?r
374 "*Mark used for del'd articles."
375 :group 'gnus-summary-marks
378 (defcustom gnus-read-mark ?R
379 "*Mark used for read articles."
380 :group 'gnus-summary-marks
383 (defcustom gnus-expirable-mark ?E
384 "*Mark used for expirable articles."
385 :group 'gnus-summary-marks
388 (defcustom gnus-killed-mark ?K
389 "*Mark used for killed articles."
390 :group 'gnus-summary-marks
393 (defcustom gnus-souped-mark ?F
394 "*Mark used for killed articles."
395 :group 'gnus-summary-marks
398 (defcustom gnus-kill-file-mark ?X
399 "*Mark used for articles killed by kill files."
400 :group 'gnus-summary-marks
403 (defcustom gnus-low-score-mark ?Y
404 "*Mark used for articles with a low score."
405 :group 'gnus-summary-marks
408 (defcustom gnus-catchup-mark ?C
409 "*Mark used for articles that are caught up."
410 :group 'gnus-summary-marks
413 (defcustom gnus-replied-mark ?A
414 "*Mark used for articles that have been replied to."
415 :group 'gnus-summary-marks
418 (defcustom gnus-cached-mark ?*
419 "*Mark used for articles that are in the cache."
420 :group 'gnus-summary-marks
423 (defcustom gnus-saved-mark ?S
424 "*Mark used for articles that have been saved to."
425 :group 'gnus-summary-marks
428 (defcustom gnus-ancient-mark ?O
429 "*Mark used for ancient articles."
430 :group 'gnus-summary-marks
433 (defcustom gnus-sparse-mark ?Q
434 "*Mark used for sparsely reffed articles."
435 :group 'gnus-summary-marks
438 (defcustom gnus-canceled-mark ?G
439 "*Mark used for canceled articles."
440 :group 'gnus-summary-marks
443 (defcustom gnus-duplicate-mark ?M
444 "*Mark used for duplicate articles."
445 :group 'gnus-summary-marks
448 (defcustom gnus-undownloaded-mark ?@
449 "*Mark used for articles that weren't downloaded."
450 :group 'gnus-summary-marks
453 (defcustom gnus-downloadable-mark ?%
454 "*Mark used for articles that are to be downloaded."
455 :group 'gnus-summary-marks
458 (defcustom gnus-unsendable-mark ?=
459 "*Mark used for articles that won't be sent."
460 :group 'gnus-summary-marks
463 (defcustom gnus-score-over-mark ?+
464 "*Score mark used for articles with high scores."
465 :group 'gnus-summary-marks
468 (defcustom gnus-score-below-mark ?-
469 "*Score mark used for articles with low scores."
470 :group 'gnus-summary-marks
473 (defcustom gnus-empty-thread-mark ? ;Whitespace
474 "*There is no thread under the article."
475 :group 'gnus-summary-marks
478 (defcustom gnus-not-empty-thread-mark ?=
479 "*There is a thread under the article."
480 :group 'gnus-summary-marks
483 (defcustom gnus-view-pseudo-asynchronously nil
484 "*If non-nil, Gnus will view pseudo-articles asynchronously."
485 :group 'gnus-extract-view
488 (defcustom gnus-auto-expirable-marks
489 (list gnus-killed-mark gnus-del-mark gnus-catchup-mark
490 gnus-low-score-mark gnus-ancient-mark gnus-read-mark
491 gnus-souped-mark gnus-duplicate-mark)
492 "*The list of marks converted into expiration if a group is auto-expirable."
494 :type '(repeat character))
496 (defcustom gnus-inhibit-user-auto-expire t
497 "*If non-nil, user marking commands will not mark an article as expirable, even if the group has auto-expire turned on."
501 (defcustom gnus-view-pseudos nil
502 "*If `automatic', pseudo-articles will be viewed automatically.
503 If `not-confirm', pseudos will be viewed automatically, and the user
504 will not be asked to confirm the command."
505 :group 'gnus-extract-view
506 :type '(choice (const :tag "off" nil)
508 (const not-confirm)))
510 (defcustom gnus-view-pseudos-separately t
511 "*If non-nil, one pseudo-article will be created for each file to be viewed.
512 If nil, all files that use the same viewing command will be given as a
513 list of parameters to that command."
514 :group 'gnus-extract-view
517 (defcustom gnus-insert-pseudo-articles t
518 "*If non-nil, insert pseudo-articles when decoding articles."
519 :group 'gnus-extract-view
522 (defcustom gnus-summary-dummy-line-format
524 "*The format specification for the dummy roots in the summary buffer.
525 It works along the same lines as a normal formatting string,
526 with some simple extensions.
529 :group 'gnus-threading
532 (defcustom gnus-summary-mode-line-format "Gnus: %g [%A] %Z"
533 "*The format specification for the summary mode line.
534 It works along the same lines as a normal formatting string,
535 with some simple extensions:
538 %p Unprefixed group name
539 %A Current article number
540 %z Current article score
542 %U Number of unread articles in the group
543 %e Number of unselected articles in the group
544 %Z A string with unread/unselected article counts
545 %g Shortish group name
546 %S Subject of the current article
548 %s Current score file name
549 %d Number of dormant articles
550 %r Number of articles that have been marked as read in this session
551 %E Number of articles expunged by the score files"
552 :group 'gnus-summary-format
555 (defcustom gnus-list-identifiers nil
556 "Regexp that matches list identifiers to be removed from subject.
557 This can also be a list of regexps."
558 :group 'gnus-summary-format
559 :group 'gnus-article-hiding
560 :type '(choice (const :tag "none" nil)
562 (repeat :value (".*") regexp)))
564 (defcustom gnus-summary-mark-below 0
565 "*Mark all articles with a score below this variable as read.
566 This variable is local to each summary buffer and usually set by the
568 :group 'gnus-score-default
571 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
572 "*List of functions used for sorting articles in the summary buffer.
573 This variable is only used when not using a threaded display."
574 :group 'gnus-summary-sort
575 :type '(repeat (choice (function-item gnus-article-sort-by-number)
576 (function-item gnus-article-sort-by-author)
577 (function-item gnus-article-sort-by-subject)
578 (function-item gnus-article-sort-by-date)
579 (function-item gnus-article-sort-by-score)
580 (function :tag "other"))))
582 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
583 "*List of functions used for sorting threads in the summary buffer.
584 By default, threads are sorted by article number.
586 Each function takes two threads and return non-nil if the first thread
587 should be sorted before the other. If you use more than one function,
588 the primary sort function should be the last. You should probably
589 always include `gnus-thread-sort-by-number' in the list of sorting
590 functions -- preferably first.
592 Ready-made functions include `gnus-thread-sort-by-number',
593 `gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
594 `gnus-thread-sort-by-date', `gnus-thread-sort-by-score' and
595 `gnus-thread-sort-by-total-score' (see `gnus-thread-score-function')."
596 :group 'gnus-summary-sort
597 :type '(repeat (choice (function-item gnus-thread-sort-by-number)
598 (function-item gnus-thread-sort-by-author)
599 (function-item gnus-thread-sort-by-subject)
600 (function-item gnus-thread-sort-by-date)
601 (function-item gnus-thread-sort-by-score)
602 (function-item gnus-thread-sort-by-total-score)
603 (function :tag "other"))))
605 (defcustom gnus-thread-score-function '+
606 "*Function used for calculating the total score of a thread.
608 The function is called with the scores of the article and each
609 subthread and should then return the score of the thread.
611 Some functions you can use are `+', `max', or `min'."
612 :group 'gnus-summary-sort
615 (defcustom gnus-summary-expunge-below nil
616 "All articles that have a score less than this variable will be expunged.
617 This variable is local to the summary buffers."
618 :group 'gnus-score-default
619 :type '(choice (const :tag "off" nil)
622 (defcustom gnus-thread-expunge-below nil
623 "All threads that have a total score less than this variable will be expunged.
624 See `gnus-thread-score-function' for en explanation of what a
627 This variable is local to the summary buffers."
628 :group 'gnus-threading
629 :group 'gnus-score-default
630 :type '(choice (const :tag "off" nil)
633 (defcustom gnus-summary-mode-hook nil
634 "*A hook for Gnus summary mode.
635 This hook is run before any variables are set in the summary buffer."
636 :group 'gnus-summary-various
639 (defcustom gnus-summary-menu-hook nil
640 "*Hook run after the creation of the summary mode menu."
641 :group 'gnus-summary-visual
644 (defcustom gnus-summary-exit-hook nil
645 "*A hook called on exit from the summary buffer.
646 It will be called with point in the group buffer."
647 :group 'gnus-summary-exit
650 (defcustom gnus-summary-prepare-hook nil
651 "*A hook called after the summary buffer has been generated.
652 If you want to modify the summary buffer, you can use this hook."
653 :group 'gnus-summary-various
656 (defcustom gnus-summary-prepared-hook nil
657 "*A hook called as the last thing after the summary buffer has been generated."
658 :group 'gnus-summary-various
661 (defcustom gnus-summary-generate-hook nil
662 "*A hook run just before generating the summary buffer.
663 This hook is commonly used to customize threading variables and the
665 :group 'gnus-summary-various
668 (defcustom gnus-select-group-hook nil
669 "*A hook called when a newsgroup is selected.
671 If you'd like to simplify subjects like the
672 `gnus-summary-next-same-subject' command does, you can use the
675 (setq gnus-select-group-hook
678 (mapcar (lambda (header)
679 (mail-header-set-subject
681 (gnus-simplify-subject
682 (mail-header-subject header) 're-only)))
683 gnus-newsgroup-headers))))"
684 :group 'gnus-group-select
687 (defcustom gnus-select-article-hook nil
688 "*A hook called when an article is selected."
689 :group 'gnus-summary-choose
692 (defcustom gnus-visual-mark-article-hook
693 (list 'gnus-highlight-selected-summary)
694 "*Hook run after selecting an article in the summary buffer.
695 It is meant to be used for highlighting the article in some way. It
696 is not run if `gnus-visual' is nil."
697 :group 'gnus-summary-visual
700 (defcustom gnus-parse-headers-hook nil
701 "*A hook called before parsing the headers."
705 (defcustom gnus-exit-group-hook nil
706 "*A hook called when exiting summary mode.
707 This hook is not called from the non-updating exit commands like `Q'."
711 (defcustom gnus-summary-update-hook
712 (list 'gnus-summary-highlight-line)
713 "*A hook called when a summary line is changed.
714 The hook will not be called if `gnus-visual' is nil.
716 The default function `gnus-summary-highlight-line' will
717 highlight the line according to the `gnus-summary-highlight'
719 :group 'gnus-summary-visual
722 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
723 "*A hook called when an article is selected for the first time.
724 The hook is intended to mark an article as read (or unread)
725 automatically when it is selected."
726 :group 'gnus-summary-choose
729 (defcustom gnus-group-no-more-groups-hook nil
730 "*A hook run when returning to group mode having no more (unread) groups."
731 :group 'gnus-group-select
734 (defcustom gnus-ps-print-hook nil
735 "*A hook run before ps-printing something from Gnus."
739 (defcustom gnus-summary-selected-face 'gnus-summary-selected-face
740 "Face used for highlighting the current article in the summary buffer."
741 :group 'gnus-summary-visual
744 (defcustom gnus-summary-highlight
745 '(((= mark gnus-canceled-mark)
746 . gnus-summary-cancelled-face)
747 ((and (> score default)
748 (or (= mark gnus-dormant-mark)
749 (= mark gnus-ticked-mark)))
750 . gnus-summary-high-ticked-face)
751 ((and (< score default)
752 (or (= mark gnus-dormant-mark)
753 (= mark gnus-ticked-mark)))
754 . gnus-summary-low-ticked-face)
755 ((or (= mark gnus-dormant-mark)
756 (= mark gnus-ticked-mark))
757 . gnus-summary-normal-ticked-face)
758 ((and (> score default) (= mark gnus-ancient-mark))
759 . gnus-summary-high-ancient-face)
760 ((and (< score default) (= mark gnus-ancient-mark))
761 . gnus-summary-low-ancient-face)
762 ((= mark gnus-ancient-mark)
763 . gnus-summary-normal-ancient-face)
764 ((and (> score default) (= mark gnus-unread-mark))
765 . gnus-summary-high-unread-face)
766 ((and (< score default) (= mark gnus-unread-mark))
767 . gnus-summary-low-unread-face)
768 ((= mark gnus-unread-mark)
769 . gnus-summary-normal-unread-face)
770 ((and (> score default) (memq mark (list gnus-downloadable-mark
771 gnus-undownloaded-mark)))
772 . gnus-summary-high-unread-face)
773 ((and (< score default) (memq mark (list gnus-downloadable-mark
774 gnus-undownloaded-mark)))
775 . gnus-summary-low-unread-face)
776 ((memq mark (list gnus-downloadable-mark gnus-undownloaded-mark))
777 . gnus-summary-normal-unread-face)
779 . gnus-summary-high-read-face)
781 . gnus-summary-low-read-face)
783 . gnus-summary-normal-read-face))
784 "*Controls the highlighting of summary buffer lines.
786 A list of (FORM . FACE) pairs. When deciding how a a particular
787 summary line should be displayed, each form is evaluated. The content
788 of the face field after the first true form is used. You can change
789 how those summary lines are displayed, by editing the face field.
791 You can use the following variables in the FORM field.
793 score: The articles score
794 default: The default article score.
795 below: The score below which articles are automatically marked as read.
796 mark: The articles mark."
797 :group 'gnus-summary-visual
798 :type '(repeat (cons (sexp :tag "Form" nil)
801 (defcustom gnus-alter-header-function nil
802 "Function called to allow alteration of article header structures.
803 The function is called with one parameter, the article header vector,
804 which it may alter in any way.")
806 (defvar gnus-decode-encoded-word-function 'mail-decode-encoded-word-string
807 "Variable that says which function should be used to decode a string with encoded words.")
809 (defcustom gnus-extra-headers nil
810 "*Extra headers to parse."
812 :type '(repeat symbol))
814 (defcustom gnus-ignored-from-addresses
815 (and user-mail-address (regexp-quote user-mail-address))
816 "*Regexp of From headers that may be suppressed in favor of To headers."
820 (defcustom gnus-group-charset-alist
821 '(("^hk\\>\\|^tw\\>\\|\\<big5\\>" cn-big5)
822 ("^cn\\>\\|\\<chinese\\>" cn-gb-2312)
823 ("^fj\\>\\|^japan\\>" iso-2022-jp-2)
824 ("^tnn\\>\\|^pin\\>\\|^sci.lang.japan" iso-2022-7bit)
825 ("^relcom\\>" koi8-r)
827 ("^\\(cz\\|hun\\|pl\\|sk\\|hr\\)\\>" iso-8859-2)
828 ("^israel\\>" iso-8859-1)
830 ("^alt.chinese.text.big5\\>" chinese-big5)
831 ("^soc.culture.vietnamese\\>" vietnamese-viqr)
832 ("^\\(comp\\|rec\\|alt\\|sci\\|soc\\|news\\|gnu\\|bofh\\)\\>" iso-8859-1)
834 "Alist of regexps (to match group names) and default charsets to be used when reading."
835 :type '(repeat (list (regexp :tag "Group")
836 (symbol :tag "Charset")))
837 :group 'gnus-charset)
839 (defcustom gnus-newsgroup-ignored-charsets '(unknown-8bit x-unknown)
840 "List of charsets that should be ignored.
841 When these charsets are used in the \"charset\" parameter, the
842 default charset will be used instead."
843 :type '(repeat symbol)
844 :group 'gnus-charset)
846 (defcustom gnus-group-ignored-charsets-alist
847 '(("alt\\.chinese\\.text" iso-8859-1))
848 "Alist of regexps (to match group names) and charsets that should be ignored.
849 When these charsets are used in the \"charset\" parameter, the
850 default charset will be used instead."
851 :type '(repeat (cons (regexp :tag "Group")
853 :group 'gnus-charset)
855 (defcustom gnus-group-highlight-words-alist nil
856 "Alist of group regexps and highlight regexps.
857 This variable uses the same syntax as `gnus-emphasis-alist'."
858 :type '(repeat (cons (regexp :tag "Group")
859 (repeat (list (regexp :tag "Highlight regexp")
860 (number :tag "Group for entire word" 0)
861 (number :tag "Group for displayed part" 0)
863 gnus-emphasis-highlight-words)))))
864 :group 'gnus-summary-visual)
866 (defcustom gnus-summary-show-article-charset-alist
868 "Alist of number and charset.
869 The article will be shown with the charset corresponding to the
871 For example: ((1 . cn-gb-2312) (2 . big5))."
872 :type '(repeat (cons (number :tag "Argument" 1)
873 (symbol :tag "Charset")))
874 :group 'gnus-charset)
876 (defcustom gnus-preserve-marks t
877 "Whether marks are preserved when moving, copying and respooling messages."
879 :group 'gnus-summary-marks)
881 (defcustom gnus-alter-articles-to-read-function nil
882 "Function to be called to alter the list of articles to be selected."
884 :group 'gnus-summary)
886 (defcustom gnus-orphan-score nil
887 "*All orphans get this score added. Set in the score file."
888 :group 'gnus-score-default
889 :type '(choice (const nil)
892 (defcustom gnus-summary-save-parts-default-mime "image/.*"
893 "*A regexp to match MIME parts when saving multiple parts of a message
894 with gnus-summary-save-parts (X m). This regexp will be used by default
895 when prompting the user for which type of files to save."
900 ;;; Internal variables
902 (defvar gnus-article-mime-handles nil)
903 (defvar gnus-article-decoded-p nil)
904 (defvar gnus-article-charset nil)
905 (defvar gnus-article-ignored-charsets nil)
906 (defvar gnus-scores-exclude-files nil)
907 (defvar gnus-page-broken nil)
908 (defvar gnus-inhibit-mime-unbuttonizing nil)
910 (defvar gnus-original-article nil)
911 (defvar gnus-article-internal-prepare-hook nil)
912 (defvar gnus-newsgroup-process-stack nil)
914 (defvar gnus-thread-indent-array nil)
915 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
916 (defvar gnus-sort-gathered-threads-function 'gnus-thread-sort-by-number
917 "Function called to sort the articles within a thread after it has been gathered together.")
919 (defvar gnus-summary-save-parts-type-history nil)
920 (defvar gnus-summary-save-parts-last-directory nil)
922 ;; Avoid highlighting in kill files.
923 (defvar gnus-summary-inhibit-highlight nil)
924 (defvar gnus-newsgroup-selected-overlay nil)
925 (defvar gnus-inhibit-limiting nil)
926 (defvar gnus-newsgroup-adaptive-score-file nil)
927 (defvar gnus-current-score-file nil)
928 (defvar gnus-current-move-group nil)
929 (defvar gnus-current-copy-group nil)
930 (defvar gnus-current-crosspost-group nil)
932 (defvar gnus-newsgroup-dependencies nil)
933 (defvar gnus-newsgroup-adaptive nil)
934 (defvar gnus-summary-display-article-function nil)
935 (defvar gnus-summary-highlight-line-function nil
936 "Function called after highlighting a summary line.")
938 (defvar gnus-summary-line-format-alist
939 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
940 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
941 (?s gnus-tmp-subject-or-nil ?s)
942 (?n gnus-tmp-name ?s)
943 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
945 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
947 (?F gnus-tmp-from ?s)
948 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
949 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
950 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
951 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
952 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
953 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
954 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
955 (?L gnus-tmp-lines ?d)
956 (?I gnus-tmp-indentation ?s)
957 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
958 (?R gnus-tmp-replied ?c)
959 (?\[ gnus-tmp-opening-bracket ?c)
960 (?\] gnus-tmp-closing-bracket ?c)
961 (?\> (make-string gnus-tmp-level ? ) ?s)
962 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
963 (?i gnus-tmp-score ?d)
964 (?z gnus-tmp-score-char ?c)
965 (?l (bbb-grouplens-score gnus-tmp-header) ?s)
966 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
967 (?U gnus-tmp-unread ?c)
968 (?f (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header) ?s)
969 (?t (gnus-summary-number-of-articles-in-thread
970 (and (boundp 'thread) (car thread)) gnus-tmp-level)
972 (?e (gnus-summary-number-of-articles-in-thread
973 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
975 (?u gnus-tmp-user-defined ?s)
976 (?P (gnus-pick-line-number) ?d))
977 "An alist of format specifications that can appear in summary lines.
978 These are paired with what variables they correspond with, along with
979 the type of the variable (string, integer, character, etc).")
981 (defvar gnus-summary-dummy-line-format-alist
982 `((?S gnus-tmp-subject ?s)
983 (?N gnus-tmp-number ?d)
984 (?u gnus-tmp-user-defined ?s)))
986 (defvar gnus-summary-mode-line-format-alist
987 `((?G gnus-tmp-group-name ?s)
988 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
989 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
990 (?A gnus-tmp-article-number ?d)
991 (?Z gnus-tmp-unread-and-unselected ?s)
993 (?U gnus-tmp-unread-and-unticked ?d)
994 (?S gnus-tmp-subject ?s)
995 (?e gnus-tmp-unselected ?d)
996 (?u gnus-tmp-user-defined ?s)
997 (?d (length gnus-newsgroup-dormant) ?d)
998 (?t (length gnus-newsgroup-marked) ?d)
999 (?r (length gnus-newsgroup-reads) ?d)
1000 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
1001 (?E gnus-newsgroup-expunged-tally ?d)
1002 (?s (gnus-current-score-file-nondirectory) ?s)))
1004 (defvar gnus-last-search-regexp nil
1005 "Default regexp for article search command.")
1007 (defvar gnus-last-shell-command nil
1008 "Default shell command on article.")
1010 (defvar gnus-newsgroup-begin nil)
1011 (defvar gnus-newsgroup-end nil)
1012 (defvar gnus-newsgroup-last-rmail nil)
1013 (defvar gnus-newsgroup-last-mail nil)
1014 (defvar gnus-newsgroup-last-folder nil)
1015 (defvar gnus-newsgroup-last-file nil)
1016 (defvar gnus-newsgroup-auto-expire nil)
1017 (defvar gnus-newsgroup-active nil)
1019 (defvar gnus-newsgroup-data nil)
1020 (defvar gnus-newsgroup-data-reverse nil)
1021 (defvar gnus-newsgroup-limit nil)
1022 (defvar gnus-newsgroup-limits nil)
1024 (defvar gnus-newsgroup-unreads nil
1025 "List of unread articles in the current newsgroup.")
1027 (defvar gnus-newsgroup-unselected nil
1028 "List of unselected unread articles in the current newsgroup.")
1030 (defvar gnus-newsgroup-reads nil
1031 "Alist of read articles and article marks in the current newsgroup.")
1033 (defvar gnus-newsgroup-expunged-tally nil)
1035 (defvar gnus-newsgroup-marked nil
1036 "List of ticked articles in the current newsgroup (a subset of unread art).")
1038 (defvar gnus-newsgroup-killed nil
1039 "List of ranges of articles that have been through the scoring process.")
1041 (defvar gnus-newsgroup-cached nil
1042 "List of articles that come from the article cache.")
1044 (defvar gnus-newsgroup-saved nil
1045 "List of articles that have been saved.")
1047 (defvar gnus-newsgroup-kill-headers nil)
1049 (defvar gnus-newsgroup-replied nil
1050 "List of articles that have been replied to in the current newsgroup.")
1052 (defvar gnus-newsgroup-expirable nil
1053 "List of articles in the current newsgroup that can be expired.")
1055 (defvar gnus-newsgroup-processable nil
1056 "List of articles in the current newsgroup that can be processed.")
1058 (defvar gnus-newsgroup-downloadable nil
1059 "List of articles in the current newsgroup that can be processed.")
1061 (defvar gnus-newsgroup-undownloaded nil
1062 "List of articles in the current newsgroup that haven't been downloaded..")
1064 (defvar gnus-newsgroup-unsendable nil
1065 "List of articles in the current newsgroup that won't be sent.")
1067 (defvar gnus-newsgroup-bookmarks nil
1068 "List of articles in the current newsgroup that have bookmarks.")
1070 (defvar gnus-newsgroup-dormant nil
1071 "List of dormant articles in the current newsgroup.")
1073 (defvar gnus-newsgroup-scored nil
1074 "List of scored articles in the current newsgroup.")
1076 (defvar gnus-newsgroup-headers nil
1077 "List of article headers in the current newsgroup.")
1079 (defvar gnus-newsgroup-threads nil)
1081 (defvar gnus-newsgroup-prepared nil
1082 "Whether the current group has been prepared properly.")
1084 (defvar gnus-newsgroup-ancient nil
1085 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1087 (defvar gnus-newsgroup-sparse nil)
1089 (defvar gnus-current-article nil)
1090 (defvar gnus-article-current nil)
1091 (defvar gnus-current-headers nil)
1092 (defvar gnus-have-all-headers nil)
1093 (defvar gnus-last-article nil)
1094 (defvar gnus-newsgroup-history nil)
1095 (defvar gnus-newsgroup-charset nil)
1096 (defvar gnus-newsgroup-ephemeral-charset nil)
1097 (defvar gnus-newsgroup-ephemeral-ignored-charsets nil)
1099 (defvar gnus-article-before-search nil)
1101 (defconst gnus-summary-local-variables
1102 '(gnus-newsgroup-name
1103 gnus-newsgroup-begin gnus-newsgroup-end
1104 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1105 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1106 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
1107 gnus-newsgroup-unselected gnus-newsgroup-marked
1108 gnus-newsgroup-reads gnus-newsgroup-saved
1109 gnus-newsgroup-replied gnus-newsgroup-expirable
1110 gnus-newsgroup-processable gnus-newsgroup-killed
1111 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
1112 gnus-newsgroup-unsendable
1113 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1114 gnus-newsgroup-headers gnus-newsgroup-threads
1115 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1116 gnus-current-article gnus-current-headers gnus-have-all-headers
1117 gnus-last-article gnus-article-internal-prepare-hook
1118 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1119 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1120 gnus-thread-expunge-below
1121 gnus-score-alist gnus-current-score-file
1122 (gnus-summary-expunge-below . global)
1123 (gnus-summary-mark-below . global)
1124 (gnus-orphan-score . global)
1125 gnus-newsgroup-active gnus-scores-exclude-files
1126 gnus-newsgroup-history gnus-newsgroup-ancient
1127 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1128 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1129 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1130 (gnus-newsgroup-expunged-tally . 0)
1131 gnus-cache-removable-articles gnus-newsgroup-cached
1132 gnus-newsgroup-data gnus-newsgroup-data-reverse
1133 gnus-newsgroup-limit gnus-newsgroup-limits
1134 gnus-newsgroup-charset)
1135 "Variables that are buffer-local to the summary buffers.")
1137 (defvar gnus-newsgroup-variables nil
1138 "Variables that have separate values in the newsgroups.")
1140 ;; Byte-compiler warning.
1141 (defvar gnus-article-mode-map)
1145 (defvar gnus-decode-encoded-word-methods
1146 '(mail-decode-encoded-word-string)
1147 "List of methods used to decode encoded words.
1149 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item is
1150 FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
1151 (REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
1152 whose names match REGEXP.
1155 ((\"chinese\" . gnus-decode-encoded-word-string-by-guess)
1156 mail-decode-encoded-word-string
1157 (\"chinese\" . rfc1843-decode-string))")
1159 (defvar gnus-decode-encoded-word-methods-cache nil)
1161 (defun gnus-multi-decode-encoded-word-string (string)
1162 "Apply the functions from `gnus-encoded-word-methods' that match."
1163 (unless (and gnus-decode-encoded-word-methods-cache
1164 (eq gnus-newsgroup-name
1165 (car gnus-decode-encoded-word-methods-cache)))
1166 (setq gnus-decode-encoded-word-methods-cache (list gnus-newsgroup-name))
1169 (nconc gnus-decode-encoded-word-methods-cache (list x))
1170 (if (and gnus-newsgroup-name
1171 (string-match (car x) gnus-newsgroup-name))
1172 (nconc gnus-decode-encoded-word-methods-cache
1174 gnus-decode-encoded-word-methods))
1175 (let ((xlist gnus-decode-encoded-word-methods-cache))
1178 (setq string (funcall (pop xlist) string))))
1181 ;; Subject simplification.
1183 (defun gnus-simplify-whitespace (str)
1184 "Remove excessive whitespace from STR."
1187 (while (string-match "[ \t][ \t]+" mystr)
1188 (setq mystr (concat (substring mystr 0 (match-beginning 0))
1190 (substring mystr (match-end 0)))))
1192 (when (string-match "^[ \t]+" mystr)
1193 (setq mystr (substring mystr (match-end 0))))
1195 (when (string-match "[ \t]+$" mystr)
1196 (setq mystr (substring mystr 0 (match-beginning 0))))
1199 (defsubst gnus-simplify-subject-re (subject)
1200 "Remove \"Re:\" from subject lines."
1201 (if (string-match "^[Rr][Ee]: *" subject)
1202 (substring subject (match-end 0))
1205 (defun gnus-simplify-subject (subject &optional re-only)
1206 "Remove `Re:' and words in parentheses.
1207 If RE-ONLY is non-nil, strip leading `Re:'s only."
1208 (let ((case-fold-search t)) ;Ignore case.
1209 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1210 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1211 (setq subject (substring subject (match-end 0))))
1212 ;; Remove uninteresting prefixes.
1213 (when (and (not re-only)
1214 gnus-simplify-ignored-prefixes
1215 (string-match gnus-simplify-ignored-prefixes subject))
1216 (setq subject (substring subject (match-end 0))))
1217 ;; Remove words in parentheses from end.
1219 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1220 (setq subject (substring subject 0 (match-beginning 0)))))
1221 ;; Return subject string.
1224 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1226 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1227 (goto-char (point-min))
1228 (while (re-search-forward regexp nil t)
1229 (replace-match (or newtext ""))))
1231 (defun gnus-simplify-buffer-fuzzy ()
1232 "Simplify string in the buffer fuzzily.
1233 The string in the accessible portion of the current buffer is simplified.
1234 It is assumed to be a single-line subject.
1235 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1236 matter is removed. Additional things can be deleted by setting
1237 `gnus-simplify-subject-fuzzy-regexp'."
1238 (let ((case-fold-search t)
1240 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1242 (while (not (eq modified-tick (buffer-modified-tick)))
1243 (setq modified-tick (buffer-modified-tick))
1245 ((listp gnus-simplify-subject-fuzzy-regexp)
1246 (mapcar 'gnus-simplify-buffer-fuzzy-step
1247 gnus-simplify-subject-fuzzy-regexp))
1248 (gnus-simplify-subject-fuzzy-regexp
1249 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1250 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1251 (gnus-simplify-buffer-fuzzy-step
1252 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1253 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1255 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1256 (gnus-simplify-buffer-fuzzy-step " +" " ")
1257 (gnus-simplify-buffer-fuzzy-step " $")
1258 (gnus-simplify-buffer-fuzzy-step "^ +")))
1260 (defun gnus-simplify-subject-fuzzy (subject)
1261 "Simplify a subject string fuzzily.
1262 See `gnus-simplify-buffer-fuzzy' for details."
1264 (gnus-set-work-buffer)
1265 (let ((case-fold-search t))
1266 ;; Remove uninteresting prefixes.
1267 (when (and gnus-simplify-ignored-prefixes
1268 (string-match gnus-simplify-ignored-prefixes subject))
1269 (setq subject (substring subject (match-end 0))))
1271 (inline (gnus-simplify-buffer-fuzzy))
1274 (defsubst gnus-simplify-subject-fully (subject)
1275 "Simplify a subject string according to gnus-summary-gather-subject-limit."
1277 (gnus-simplify-subject-functions
1278 (gnus-map-function gnus-simplify-subject-functions subject))
1279 ((null gnus-summary-gather-subject-limit)
1280 (gnus-simplify-subject-re subject))
1281 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1282 (gnus-simplify-subject-fuzzy subject))
1283 ((numberp gnus-summary-gather-subject-limit)
1284 (gnus-limit-string (gnus-simplify-subject-re subject)
1285 gnus-summary-gather-subject-limit))
1289 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1290 "Check whether two subjects are equal.
1291 If optional argument simple-first is t, first argument is already
1294 ((null simple-first)
1295 (equal (gnus-simplify-subject-fully s1)
1296 (gnus-simplify-subject-fully s2)))
1299 (gnus-simplify-subject-fully s2)))))
1301 (defun gnus-summary-bubble-group ()
1302 "Increase the score of the current group.
1303 This is a handy function to add to `gnus-summary-exit-hook' to
1304 increase the score of each group you read."
1305 (gnus-group-add-score gnus-newsgroup-name))
1309 ;;; Gnus summary mode
1312 (put 'gnus-summary-mode 'mode-class 'special)
1315 ;; Non-orthogonal keys
1317 (gnus-define-keys gnus-summary-mode-map
1318 " " gnus-summary-next-page
1319 "\177" gnus-summary-prev-page
1320 [delete] gnus-summary-prev-page
1321 [backspace] gnus-summary-prev-page
1322 "\r" gnus-summary-scroll-up
1323 "\M-\r" gnus-summary-scroll-down
1324 "n" gnus-summary-next-unread-article
1325 "p" gnus-summary-prev-unread-article
1326 "N" gnus-summary-next-article
1327 "P" gnus-summary-prev-article
1328 "\M-\C-n" gnus-summary-next-same-subject
1329 "\M-\C-p" gnus-summary-prev-same-subject
1330 "\M-n" gnus-summary-next-unread-subject
1331 "\M-p" gnus-summary-prev-unread-subject
1332 "." gnus-summary-first-unread-article
1333 "," gnus-summary-best-unread-article
1334 "\M-s" gnus-summary-search-article-forward
1335 "\M-r" gnus-summary-search-article-backward
1336 "<" gnus-summary-beginning-of-article
1337 ">" gnus-summary-end-of-article
1338 "j" gnus-summary-goto-article
1339 "^" gnus-summary-refer-parent-article
1340 "\M-^" gnus-summary-refer-article
1341 "u" gnus-summary-tick-article-forward
1342 "!" gnus-summary-tick-article-forward
1343 "U" gnus-summary-tick-article-backward
1344 "d" gnus-summary-mark-as-read-forward
1345 "D" gnus-summary-mark-as-read-backward
1346 "E" gnus-summary-mark-as-expirable
1347 "\M-u" gnus-summary-clear-mark-forward
1348 "\M-U" gnus-summary-clear-mark-backward
1349 "k" gnus-summary-kill-same-subject-and-select
1350 "\C-k" gnus-summary-kill-same-subject
1351 "\M-\C-k" gnus-summary-kill-thread
1352 "\M-\C-l" gnus-summary-lower-thread
1353 "e" gnus-summary-edit-article
1354 "#" gnus-summary-mark-as-processable
1355 "\M-#" gnus-summary-unmark-as-processable
1356 "\M-\C-t" gnus-summary-toggle-threads
1357 "\M-\C-s" gnus-summary-show-thread
1358 "\M-\C-h" gnus-summary-hide-thread
1359 "\M-\C-f" gnus-summary-next-thread
1360 "\M-\C-b" gnus-summary-prev-thread
1361 [(meta down)] gnus-summary-next-thread
1362 [(meta up)] gnus-summary-prev-thread
1363 "\M-\C-u" gnus-summary-up-thread
1364 "\M-\C-d" gnus-summary-down-thread
1365 "&" gnus-summary-execute-command
1366 "c" gnus-summary-catchup-and-exit
1367 "\C-w" gnus-summary-mark-region-as-read
1368 "\C-t" gnus-summary-toggle-truncation
1369 "?" gnus-summary-mark-as-dormant
1370 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1371 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1372 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1373 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1374 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1375 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1376 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1377 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1378 "=" gnus-summary-expand-window
1379 "\C-x\C-s" gnus-summary-reselect-current-group
1380 "\M-g" gnus-summary-rescan-group
1381 "w" gnus-summary-stop-page-breaking
1382 "\C-c\C-r" gnus-summary-caesar-message
1383 "f" gnus-summary-followup
1384 "F" gnus-summary-followup-with-original
1385 "C" gnus-summary-cancel-article
1386 "r" gnus-summary-reply
1387 "R" gnus-summary-reply-with-original
1388 "\C-c\C-f" gnus-summary-mail-forward
1389 "o" gnus-summary-save-article
1390 "\C-o" gnus-summary-save-article-mail
1391 "|" gnus-summary-pipe-output
1392 "\M-k" gnus-summary-edit-local-kill
1393 "\M-K" gnus-summary-edit-global-kill
1395 "\C-c\C-d" gnus-summary-describe-group
1396 "q" gnus-summary-exit
1397 "Q" gnus-summary-exit-no-update
1398 "\C-c\C-i" gnus-info-find-node
1399 gnus-mouse-2 gnus-mouse-pick-article
1400 "m" gnus-summary-mail-other-window
1401 "a" gnus-summary-post-news
1402 "x" gnus-summary-limit-to-unread
1403 "s" gnus-summary-isearch-article
1404 "t" gnus-summary-toggle-header
1405 "g" gnus-summary-show-article
1406 "l" gnus-summary-goto-last-article
1407 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1408 "\C-d" gnus-summary-enter-digest-group
1409 "\M-\C-d" gnus-summary-read-document
1410 "\M-\C-e" gnus-summary-edit-parameters
1411 "\M-\C-a" gnus-summary-customize-parameters
1413 "*" gnus-cache-enter-article
1414 "\M-*" gnus-cache-remove-article
1415 "\M-&" gnus-summary-universal-argument
1416 "\C-l" gnus-recenter
1417 "I" gnus-summary-increase-score
1418 "L" gnus-summary-lower-score
1419 "\M-i" gnus-symbolic-argument
1420 "h" gnus-summary-select-article-buffer
1422 "b" gnus-article-view-part
1423 "\M-t" gnus-summary-toggle-display-buttonized
1425 "V" gnus-summary-score-map
1426 "X" gnus-uu-extract-map
1427 "S" gnus-summary-send-map)
1429 ;; Sort of orthogonal keymap
1430 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1431 "t" gnus-summary-tick-article-forward
1432 "!" gnus-summary-tick-article-forward
1433 "d" gnus-summary-mark-as-read-forward
1434 "r" gnus-summary-mark-as-read-forward
1435 "c" gnus-summary-clear-mark-forward
1436 " " gnus-summary-clear-mark-forward
1437 "e" gnus-summary-mark-as-expirable
1438 "x" gnus-summary-mark-as-expirable
1439 "?" gnus-summary-mark-as-dormant
1440 "b" gnus-summary-set-bookmark
1441 "B" gnus-summary-remove-bookmark
1442 "#" gnus-summary-mark-as-processable
1443 "\M-#" gnus-summary-unmark-as-processable
1444 "S" gnus-summary-limit-include-expunged
1445 "C" gnus-summary-catchup
1446 "H" gnus-summary-catchup-to-here
1447 "\C-c" gnus-summary-catchup-all
1448 "k" gnus-summary-kill-same-subject-and-select
1449 "K" gnus-summary-kill-same-subject
1450 "P" gnus-uu-mark-map)
1452 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1453 "c" gnus-summary-clear-above
1454 "u" gnus-summary-tick-above
1455 "m" gnus-summary-mark-above
1456 "k" gnus-summary-kill-below)
1458 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1459 "/" gnus-summary-limit-to-subject
1460 "n" gnus-summary-limit-to-articles
1461 "w" gnus-summary-pop-limit
1462 "s" gnus-summary-limit-to-subject
1463 "a" gnus-summary-limit-to-author
1464 "u" gnus-summary-limit-to-unread
1465 "m" gnus-summary-limit-to-marks
1466 "M" gnus-summary-limit-exclude-marks
1467 "v" gnus-summary-limit-to-score
1468 "*" gnus-summary-limit-include-cached
1469 "D" gnus-summary-limit-include-dormant
1470 "T" gnus-summary-limit-include-thread
1471 "d" gnus-summary-limit-exclude-dormant
1472 "t" gnus-summary-limit-to-age
1473 "x" gnus-summary-limit-to-extra
1474 "E" gnus-summary-limit-include-expunged
1475 "c" gnus-summary-limit-exclude-childless-dormant
1476 "C" gnus-summary-limit-mark-excluded-as-read)
1478 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
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 "\C-n" gnus-summary-next-same-subject
1484 "\C-p" gnus-summary-prev-same-subject
1485 "\M-n" gnus-summary-next-unread-subject
1486 "\M-p" gnus-summary-prev-unread-subject
1487 "f" gnus-summary-first-unread-article
1488 "b" gnus-summary-best-unread-article
1489 "j" gnus-summary-goto-article
1490 "g" gnus-summary-goto-subject
1491 "l" gnus-summary-goto-last-article
1492 "o" gnus-summary-pop-article)
1494 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1495 "k" gnus-summary-kill-thread
1496 "l" gnus-summary-lower-thread
1497 "i" gnus-summary-raise-thread
1498 "T" gnus-summary-toggle-threads
1499 "t" gnus-summary-rethread-current
1500 "^" gnus-summary-reparent-thread
1501 "s" gnus-summary-show-thread
1502 "S" gnus-summary-show-all-threads
1503 "h" gnus-summary-hide-thread
1504 "H" gnus-summary-hide-all-threads
1505 "n" gnus-summary-next-thread
1506 "p" gnus-summary-prev-thread
1507 "u" gnus-summary-up-thread
1508 "o" gnus-summary-top-thread
1509 "d" gnus-summary-down-thread
1510 "#" gnus-uu-mark-thread
1511 "\M-#" gnus-uu-unmark-thread)
1513 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1514 "g" gnus-summary-prepare
1515 "c" gnus-summary-insert-cached-articles)
1517 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1518 "c" gnus-summary-catchup-and-exit
1519 "C" gnus-summary-catchup-all-and-exit
1520 "E" gnus-summary-exit-no-update
1521 "Q" gnus-summary-exit
1522 "Z" gnus-summary-exit
1523 "n" gnus-summary-catchup-and-goto-next-group
1524 "R" gnus-summary-reselect-current-group
1525 "G" gnus-summary-rescan-group
1526 "N" gnus-summary-next-group
1527 "s" gnus-summary-save-newsrc
1528 "P" gnus-summary-prev-group)
1530 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1531 " " gnus-summary-next-page
1532 "n" gnus-summary-next-page
1533 "\177" gnus-summary-prev-page
1534 [delete] gnus-summary-prev-page
1535 "p" gnus-summary-prev-page
1536 "\r" gnus-summary-scroll-up
1537 "\M-\r" gnus-summary-scroll-down
1538 "<" gnus-summary-beginning-of-article
1539 ">" gnus-summary-end-of-article
1540 "b" gnus-summary-beginning-of-article
1541 "e" gnus-summary-end-of-article
1542 "^" gnus-summary-refer-parent-article
1543 "r" gnus-summary-refer-parent-article
1544 "D" gnus-summary-enter-digest-group
1545 "R" gnus-summary-refer-references
1546 "T" gnus-summary-refer-thread
1547 "g" gnus-summary-show-article
1548 "s" gnus-summary-isearch-article
1549 "P" gnus-summary-print-article
1550 "M" gnus-mailing-list-insinuate
1551 "t" gnus-article-babel)
1553 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1554 "b" gnus-article-add-buttons
1555 "B" gnus-article-add-buttons-to-head
1556 "o" gnus-article-treat-overstrike
1557 "e" gnus-article-emphasize
1558 "w" gnus-article-fill-cited-article
1559 "Q" gnus-article-fill-long-lines
1560 "C" gnus-article-capitalize-sentences
1561 "c" gnus-article-remove-cr
1562 "q" gnus-article-de-quoted-unreadable
1563 "6" gnus-article-de-base64-unreadable
1564 "Z" gnus-article-decode-HZ
1565 "h" gnus-article-wash-html
1566 "s" gnus-summary-force-verify-and-decrypt
1567 "f" gnus-article-display-x-face
1568 "l" gnus-summary-stop-page-breaking
1569 "r" gnus-summary-caesar-message
1570 "t" gnus-summary-toggle-header
1571 "v" gnus-summary-verbose-headers
1572 "H" gnus-article-strip-headers-in-body
1573 "p" gnus-article-verify-x-pgp-sig
1574 "d" gnus-article-treat-dumbquotes)
1576 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1577 "a" gnus-article-hide
1578 "h" gnus-article-hide-headers
1579 "b" gnus-article-hide-boring-headers
1580 "s" gnus-article-hide-signature
1581 "c" gnus-article-hide-citation
1582 "C" gnus-article-hide-citation-in-followups
1583 "l" gnus-article-hide-list-identifiers
1584 "p" gnus-article-hide-pgp
1585 "B" gnus-article-strip-banner
1586 "P" gnus-article-hide-pem
1587 "\C-c" gnus-article-hide-citation-maybe)
1589 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1590 "a" gnus-article-highlight
1591 "h" gnus-article-highlight-headers
1592 "c" gnus-article-highlight-citation
1593 "s" gnus-article-highlight-signature)
1595 (gnus-define-keys (gnus-summary-wash-mime-map "M" gnus-summary-wash-map)
1596 "w" gnus-article-decode-mime-words
1597 "c" gnus-article-decode-charset
1598 "v" gnus-mime-view-all-parts
1599 "b" gnus-article-view-part)
1601 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
1602 "z" gnus-article-date-ut
1603 "u" gnus-article-date-ut
1604 "l" gnus-article-date-local
1605 "e" gnus-article-date-lapsed
1606 "o" gnus-article-date-original
1607 "i" gnus-article-date-iso8601
1608 "s" gnus-article-date-user)
1610 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
1611 "t" gnus-article-remove-trailing-blank-lines
1612 "l" gnus-article-strip-leading-blank-lines
1613 "m" gnus-article-strip-multiple-blank-lines
1614 "a" gnus-article-strip-blank-lines
1615 "A" gnus-article-strip-all-blank-lines
1616 "s" gnus-article-strip-leading-space
1617 "e" gnus-article-strip-trailing-space)
1619 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
1621 "f" gnus-summary-fetch-faq
1622 "d" gnus-summary-describe-group
1623 "h" gnus-summary-describe-briefly
1624 "i" gnus-info-find-node)
1626 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
1627 "e" gnus-summary-expire-articles
1628 "\M-\C-e" gnus-summary-expire-articles-now
1629 "\177" gnus-summary-delete-article
1630 [delete] gnus-summary-delete-article
1631 [backspace] gnus-summary-delete-article
1632 "m" gnus-summary-move-article
1633 "r" gnus-summary-respool-article
1634 "w" gnus-summary-edit-article
1635 "c" gnus-summary-copy-article
1636 "B" gnus-summary-crosspost-article
1637 "q" gnus-summary-respool-query
1638 "t" gnus-summary-respool-trace
1639 "i" gnus-summary-import-article
1640 "p" gnus-summary-article-posted-p)
1642 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
1643 "o" gnus-summary-save-article
1644 "m" gnus-summary-save-article-mail
1645 "F" gnus-summary-write-article-file
1646 "r" gnus-summary-save-article-rmail
1647 "f" gnus-summary-save-article-file
1648 "b" gnus-summary-save-article-body-file
1649 "h" gnus-summary-save-article-folder
1650 "v" gnus-summary-save-article-vm
1651 "p" gnus-summary-pipe-output
1652 "s" gnus-soup-add-article)
1654 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
1655 "b" gnus-summary-display-buttonized
1656 "m" gnus-summary-repair-multipart
1657 "v" gnus-article-view-part
1658 "o" gnus-article-save-part
1659 "c" gnus-article-copy-part
1660 "C" gnus-article-view-part-as-charset
1661 "e" gnus-article-externalize-part
1662 "E" gnus-article-encrypt-body
1663 "i" gnus-article-inline-part
1664 "|" gnus-article-pipe-part))
1666 (defun gnus-summary-make-menu-bar ()
1667 (gnus-turn-off-edit-menu 'summary)
1669 (unless (boundp 'gnus-summary-misc-menu)
1672 gnus-summary-kill-menu gnus-summary-mode-map ""
1677 ["Enter score..." gnus-summary-score-entry t]
1678 ["Customize" gnus-score-customize t])
1679 (gnus-make-score-map 'increase)
1680 (gnus-make-score-map 'lower)
1682 ["Kill below" gnus-summary-kill-below t]
1683 ["Mark above" gnus-summary-mark-above t]
1684 ["Tick above" gnus-summary-tick-above t]
1685 ["Clear above" gnus-summary-clear-above t])
1686 ["Current score" gnus-summary-current-score t]
1687 ["Set score" gnus-summary-set-score t]
1688 ["Switch current score file..." gnus-score-change-score-file t]
1689 ["Set mark below..." gnus-score-set-mark-below t]
1690 ["Set expunge below..." gnus-score-set-expunge-below t]
1691 ["Edit current score file" gnus-score-edit-current-scores t]
1692 ["Edit score file" gnus-score-edit-file t]
1693 ["Trace score" gnus-score-find-trace t]
1694 ["Find words" gnus-score-find-favourite-words t]
1695 ["Rescore buffer" gnus-summary-rescore t]
1696 ["Increase score..." gnus-summary-increase-score t]
1697 ["Lower score..." gnus-summary-lower-score t]))))
1699 ;; Define both the Article menu in the summary buffer and the equivalent
1700 ;; Commands menu in the article buffer here for consistency.
1703 ["All" gnus-article-hide t]
1704 ["Headers" gnus-article-hide-headers t]
1705 ["Signature" gnus-article-hide-signature t]
1706 ["Citation" gnus-article-hide-citation t]
1707 ["List identifiers" gnus-article-hide-list-identifiers t]
1708 ["PGP" gnus-article-hide-pgp t]
1709 ["Banner" gnus-article-strip-banner t]
1710 ["Boring headers" gnus-article-hide-boring-headers t])
1712 ["All" gnus-article-highlight t]
1713 ["Headers" gnus-article-highlight-headers t]
1714 ["Signature" gnus-article-highlight-signature t]
1715 ["Citation" gnus-article-highlight-citation t])
1717 ["Words" gnus-article-decode-mime-words t]
1718 ["Charset" gnus-article-decode-charset t]
1719 ["QP" gnus-article-de-quoted-unreadable t]
1720 ["Base64" gnus-article-de-base64-unreadable t]
1721 ["View all" gnus-mime-view-all-parts t]
1722 ["Verify and Decrypt" gnus-summary-force-verify-and-decrypt t]
1723 ["Encrypt body" gnus-article-encrypt-body t])
1725 ["Local" gnus-article-date-local t]
1726 ["ISO8601" gnus-article-date-iso8601 t]
1727 ["UT" gnus-article-date-ut t]
1728 ["Original" gnus-article-date-original t]
1729 ["Lapsed" gnus-article-date-lapsed t]
1730 ["User-defined" gnus-article-date-user t])
1733 ["Leading" gnus-article-strip-leading-blank-lines t]
1734 ["Multiple" gnus-article-strip-multiple-blank-lines t]
1735 ["Trailing" gnus-article-remove-trailing-blank-lines t]
1736 ["All of the above" gnus-article-strip-blank-lines t]
1737 ["All" gnus-article-strip-all-blank-lines t]
1738 ["Leading space" gnus-article-strip-leading-space t]
1739 ["Trailing space" gnus-article-strip-trailing-space t])
1740 ["Overstrike" gnus-article-treat-overstrike t]
1741 ["Dumb quotes" gnus-article-treat-dumbquotes t]
1742 ["Emphasis" gnus-article-emphasize t]
1743 ["Word wrap" gnus-article-fill-cited-article t]
1744 ["Fill long lines" gnus-article-fill-long-lines t]
1745 ["Capitalize sentences" gnus-article-capitalize-sentences t]
1746 ["CR" gnus-article-remove-cr t]
1747 ["Show X-Face" gnus-article-display-x-face t]
1748 ["Quoted-Printable" gnus-article-de-quoted-unreadable t]
1749 ["Base64" gnus-article-de-base64-unreadable t]
1750 ["Rot 13" gnus-summary-caesar-message t]
1751 ["Unix pipe" gnus-summary-pipe-message t]
1752 ["Add buttons" gnus-article-add-buttons t]
1753 ["Add buttons to head" gnus-article-add-buttons-to-head t]
1754 ["Stop page breaking" gnus-summary-stop-page-breaking t]
1755 ["Verbose header" gnus-summary-verbose-headers t]
1756 ["Toggle header" gnus-summary-toggle-header t]
1757 ["Html" gnus-article-wash-html t]
1758 ["Verify X-PGP-Sig" gnus-article-verify-x-pgp-sig t]
1759 ["HZ" gnus-article-decode-HZ t])
1761 ["Save in default format" gnus-summary-save-article t]
1762 ["Save in file" gnus-summary-save-article-file t]
1763 ["Save in Unix mail format" gnus-summary-save-article-mail t]
1764 ["Save in MH folder" gnus-summary-save-article-folder t]
1765 ["Save in VM folder" gnus-summary-save-article-vm t]
1766 ["Save in RMAIL mbox" gnus-summary-save-article-rmail t]
1767 ["Save body in file" gnus-summary-save-article-body-file t]
1768 ["Pipe through a filter" gnus-summary-pipe-output t]
1769 ["Add to SOUP packet" gnus-soup-add-article t]
1770 ["Print" gnus-summary-print-article t])
1772 ["Respool article..." gnus-summary-respool-article t]
1773 ["Move article..." gnus-summary-move-article
1774 (gnus-check-backend-function
1775 'request-move-article gnus-newsgroup-name)]
1776 ["Copy article..." gnus-summary-copy-article t]
1777 ["Crosspost article..." gnus-summary-crosspost-article
1778 (gnus-check-backend-function
1779 'request-replace-article gnus-newsgroup-name)]
1780 ["Import file..." gnus-summary-import-article t]
1781 ["Check if posted" gnus-summary-article-posted-p t]
1782 ["Edit article" gnus-summary-edit-article
1783 (not (gnus-group-read-only-p))]
1784 ["Delete article" gnus-summary-delete-article
1785 (gnus-check-backend-function
1786 'request-expire-articles gnus-newsgroup-name)]
1787 ["Query respool" gnus-summary-respool-query t]
1788 ["Trace respool" gnus-summary-respool-trace t]
1789 ["Delete expirable articles" gnus-summary-expire-articles-now
1790 (gnus-check-backend-function
1791 'request-expire-articles gnus-newsgroup-name)])
1793 ["Uudecode" gnus-uu-decode-uu t]
1794 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
1795 ["Unshar" gnus-uu-decode-unshar t]
1796 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
1797 ["Save" gnus-uu-decode-save t]
1798 ["Binhex" gnus-uu-decode-binhex t]
1799 ["Postscript" gnus-uu-decode-postscript t])
1801 ["Enter article" gnus-cache-enter-article t]
1802 ["Remove article" gnus-cache-remove-article t])
1803 ["Translate" gnus-article-babel t]
1804 ["Select article buffer" gnus-summary-select-article-buffer t]
1805 ["Enter digest buffer" gnus-summary-enter-digest-group t]
1806 ["Isearch article..." gnus-summary-isearch-article t]
1807 ["Beginning of the article" gnus-summary-beginning-of-article t]
1808 ["End of the article" gnus-summary-end-of-article t]
1809 ["Fetch parent of article" gnus-summary-refer-parent-article t]
1810 ["Fetch referenced articles" gnus-summary-refer-references t]
1811 ["Fetch current thread" gnus-summary-refer-thread t]
1812 ["Fetch article with id..." gnus-summary-refer-article t]
1813 ["Setup Mailing List Params" gnus-mailing-list-insinuate t]
1814 ["Redisplay" gnus-summary-show-article t])))
1816 gnus-summary-article-menu gnus-summary-mode-map ""
1817 (cons "Article" innards))
1820 gnus-article-commands-menu gnus-article-mode-map ""
1821 (cons "Commands" innards)))
1824 gnus-summary-thread-menu gnus-summary-mode-map ""
1826 ["Toggle threading" gnus-summary-toggle-threads t]
1827 ["Hide threads" gnus-summary-hide-all-threads t]
1828 ["Show threads" gnus-summary-show-all-threads t]
1829 ["Hide thread" gnus-summary-hide-thread t]
1830 ["Show thread" gnus-summary-show-thread t]
1831 ["Go to next thread" gnus-summary-next-thread t]
1832 ["Go to previous thread" gnus-summary-prev-thread t]
1833 ["Go down thread" gnus-summary-down-thread t]
1834 ["Go up thread" gnus-summary-up-thread t]
1835 ["Top of thread" gnus-summary-top-thread t]
1836 ["Mark thread as read" gnus-summary-kill-thread t]
1837 ["Lower thread score" gnus-summary-lower-thread t]
1838 ["Raise thread score" gnus-summary-raise-thread t]
1839 ["Rethread current" gnus-summary-rethread-current t]))
1842 gnus-summary-post-menu gnus-summary-mode-map ""
1844 ["Post an article" gnus-summary-post-news t]
1845 ["Followup" gnus-summary-followup t]
1846 ["Followup and yank" gnus-summary-followup-with-original t]
1847 ["Supersede article" gnus-summary-supersede-article t]
1848 ["Cancel article" gnus-summary-cancel-article t]
1849 ["Reply" gnus-summary-reply t]
1850 ["Reply and yank" gnus-summary-reply-with-original t]
1851 ["Wide reply" gnus-summary-wide-reply t]
1852 ["Wide reply and yank" gnus-summary-wide-reply-with-original t]
1853 ["Mail forward" gnus-summary-mail-forward t]
1854 ["Post forward" gnus-summary-post-forward t]
1855 ["Digest and mail" gnus-uu-digest-mail-forward t]
1856 ["Digest and post" gnus-uu-digest-post-forward t]
1857 ["Resend message" gnus-summary-resend-message t]
1858 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
1859 ["Send a mail" gnus-summary-mail-other-window t]
1860 ["Uuencode and post" gnus-uu-post-news t]
1861 ["Followup via news" gnus-summary-followup-to-mail t]
1862 ["Followup via news and yank"
1863 gnus-summary-followup-to-mail-with-original t]
1865 ;;["Send" gnus-summary-send-draft t]
1866 ;;["Send bounced" gnus-resend-bounced-mail t])
1870 gnus-summary-misc-menu gnus-summary-mode-map ""
1873 ["Mark as read" gnus-summary-mark-as-read-forward t]
1874 ["Mark same subject and select"
1875 gnus-summary-kill-same-subject-and-select t]
1876 ["Mark same subject" gnus-summary-kill-same-subject t]
1877 ["Catchup" gnus-summary-catchup t]
1878 ["Catchup all" gnus-summary-catchup-all t]
1879 ["Catchup to here" gnus-summary-catchup-to-here t]
1880 ["Catchup region" gnus-summary-mark-region-as-read t]
1881 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
1883 ["Tick" gnus-summary-tick-article-forward t]
1884 ["Mark as dormant" gnus-summary-mark-as-dormant t]
1885 ["Remove marks" gnus-summary-clear-mark-forward t]
1886 ["Set expirable mark" gnus-summary-mark-as-expirable t]
1887 ["Set bookmark" gnus-summary-set-bookmark t]
1888 ["Remove bookmark" gnus-summary-remove-bookmark t])
1890 ["Marks..." gnus-summary-limit-to-marks t]
1891 ["Subject..." gnus-summary-limit-to-subject t]
1892 ["Author..." gnus-summary-limit-to-author t]
1893 ["Age..." gnus-summary-limit-to-age t]
1894 ["Extra..." gnus-summary-limit-to-extra t]
1895 ["Score" gnus-summary-limit-to-score t]
1896 ["Unread" gnus-summary-limit-to-unread t]
1897 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
1898 ["Articles" gnus-summary-limit-to-articles t]
1899 ["Pop limit" gnus-summary-pop-limit t]
1900 ["Show dormant" gnus-summary-limit-include-dormant t]
1901 ["Hide childless dormant"
1902 gnus-summary-limit-exclude-childless-dormant t]
1903 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
1904 ["Hide marked" gnus-summary-limit-exclude-marks t]
1905 ["Show expunged" gnus-summary-show-all-expunged t])
1907 ["Set mark" gnus-summary-mark-as-processable t]
1908 ["Remove mark" gnus-summary-unmark-as-processable t]
1909 ["Remove all marks" gnus-summary-unmark-all-processable t]
1910 ["Mark above" gnus-uu-mark-over t]
1911 ["Mark series" gnus-uu-mark-series t]
1912 ["Mark region" gnus-uu-mark-region t]
1913 ["Unmark region" gnus-uu-unmark-region t]
1914 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
1915 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
1916 ["Mark all" gnus-uu-mark-all t]
1917 ["Mark buffer" gnus-uu-mark-buffer t]
1918 ["Mark sparse" gnus-uu-mark-sparse t]
1919 ["Mark thread" gnus-uu-mark-thread t]
1920 ["Unmark thread" gnus-uu-unmark-thread t]
1921 ("Process Mark Sets"
1922 ["Kill" gnus-summary-kill-process-mark t]
1923 ["Yank" gnus-summary-yank-process-mark
1924 gnus-newsgroup-process-stack]
1925 ["Save" gnus-summary-save-process-mark t]))
1927 ["Page forward" gnus-summary-next-page t]
1928 ["Page backward" gnus-summary-prev-page t]
1929 ["Line forward" gnus-summary-scroll-up t])
1931 ["Next unread article" gnus-summary-next-unread-article t]
1932 ["Previous unread article" gnus-summary-prev-unread-article t]
1933 ["Next article" gnus-summary-next-article t]
1934 ["Previous article" gnus-summary-prev-article t]
1935 ["Next unread subject" gnus-summary-next-unread-subject t]
1936 ["Previous unread subject" gnus-summary-prev-unread-subject t]
1937 ["Next article same subject" gnus-summary-next-same-subject t]
1938 ["Previous article same subject" gnus-summary-prev-same-subject t]
1939 ["First unread article" gnus-summary-first-unread-article t]
1940 ["Best unread article" gnus-summary-best-unread-article t]
1941 ["Go to subject number..." gnus-summary-goto-subject t]
1942 ["Go to article number..." gnus-summary-goto-article t]
1943 ["Go to the last article" gnus-summary-goto-last-article t]
1944 ["Pop article off history" gnus-summary-pop-article t])
1946 ["Sort by number" gnus-summary-sort-by-number t]
1947 ["Sort by author" gnus-summary-sort-by-author t]
1948 ["Sort by subject" gnus-summary-sort-by-subject t]
1949 ["Sort by date" gnus-summary-sort-by-date t]
1950 ["Sort by score" gnus-summary-sort-by-score t]
1951 ["Sort by lines" gnus-summary-sort-by-lines t]
1952 ["Sort by characters" gnus-summary-sort-by-chars t])
1954 ["Fetch group FAQ" gnus-summary-fetch-faq t]
1955 ["Describe group" gnus-summary-describe-group t]
1956 ["Read manual" gnus-info-find-node t])
1958 ["Pick and read" gnus-pick-mode t]
1959 ["Binary" gnus-binary-mode t])
1961 ["Regenerate" gnus-summary-prepare t]
1962 ["Insert cached articles" gnus-summary-insert-cached-articles t]
1963 ["Toggle threading" gnus-summary-toggle-threads t])
1964 ["Filter articles..." gnus-summary-execute-command t]
1965 ["Run command on subjects..." gnus-summary-universal-argument t]
1966 ["Search articles forward..." gnus-summary-search-article-forward t]
1967 ["Search articles backward..." gnus-summary-search-article-backward t]
1968 ["Toggle line truncation" gnus-summary-toggle-truncation t]
1969 ["Expand window" gnus-summary-expand-window t]
1970 ["Expire expirable articles" gnus-summary-expire-articles
1971 (gnus-check-backend-function
1972 'request-expire-articles gnus-newsgroup-name)]
1973 ["Edit local kill file" gnus-summary-edit-local-kill t]
1974 ["Edit main kill file" gnus-summary-edit-global-kill t]
1975 ["Edit group parameters" gnus-summary-edit-parameters t]
1976 ["Customize group parameters" gnus-summary-customize-parameters t]
1977 ["Send a bug report" gnus-bug t]
1979 ["Catchup and exit" gnus-summary-catchup-and-exit t]
1980 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
1981 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
1982 ["Exit group" gnus-summary-exit t]
1983 ["Exit group without updating" gnus-summary-exit-no-update t]
1984 ["Exit and goto next group" gnus-summary-next-group t]
1985 ["Exit and goto prev group" gnus-summary-prev-group t]
1986 ["Reselect group" gnus-summary-reselect-current-group t]
1987 ["Rescan group" gnus-summary-rescan-group t]
1988 ["Update dribble" gnus-summary-save-newsrc t])))
1990 (gnus-run-hooks 'gnus-summary-menu-hook)))
1992 (defun gnus-score-set-default (var value)
1993 "A version of set that updates the GNU Emacs menu-bar."
1995 ;; It is the message that forces the active status to be updated.
1998 (defun gnus-make-score-map (type)
1999 "Make a summary score map of type TYPE."
2002 (let ((headers '(("author" "from" string)
2003 ("subject" "subject" string)
2004 ("article body" "body" string)
2005 ("article head" "head" string)
2006 ("xref" "xref" string)
2007 ("extra header" "extra" string)
2008 ("lines" "lines" number)
2009 ("followups to author" "followup" string)))
2010 (types '((number ("less than" <)
2013 (string ("substring" s)
2017 (perms '(("temporary" (current-time-string))
2025 (if (eq type 'lower)
2030 (setq header (car headers))
2036 (let ((ts (cdr (assoc (nth 2 header) types)))
2052 'gnus-summary-score-entry
2054 (if (or (string= (nth 1 header)
2056 (string= (nth 1 header)
2059 (list 'gnus-summary-header
2061 (list 'quote (nth 1 (car ts)))
2062 (list 'gnus-score-delta-default
2069 (list (nreverse outp))))
2072 (list (nreverse outt))))
2074 (setq headers (cdr headers)))
2075 (list (nreverse outh))))))))
2079 (defun gnus-summary-mode (&optional group)
2080 "Major mode for reading articles.
2082 All normal editing commands are switched off.
2083 \\<gnus-summary-mode-map>
2084 Each line in this buffer represents one article. To read an
2085 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
2086 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
2089 You can also post articles and send mail from this buffer. To
2090 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
2091 of an article, type `\\[gnus-summary-reply]'.
2093 There are approx. one gazillion commands you can execute in this
2094 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
2096 The following commands are available:
2098 \\{gnus-summary-mode-map}"
2100 (when (gnus-visual-p 'summary-menu 'menu)
2101 (gnus-summary-make-menu-bar))
2102 (kill-all-local-variables)
2103 (gnus-summary-make-local-variables)
2104 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
2105 (gnus-summary-make-local-variables))
2106 (gnus-make-thread-indent-array)
2107 (gnus-simplify-mode-line)
2108 (setq major-mode 'gnus-summary-mode)
2109 (setq mode-name "Summary")
2110 (make-local-variable 'minor-mode-alist)
2111 (use-local-map gnus-summary-mode-map)
2112 (buffer-disable-undo)
2113 (setq buffer-read-only t) ;Disable modification
2114 (setq truncate-lines t)
2115 (setq selective-display t)
2116 (setq selective-display-ellipses t) ;Display `...'
2117 (gnus-summary-set-display-table)
2118 (gnus-set-default-directory)
2119 (setq gnus-newsgroup-name group)
2120 (make-local-variable 'gnus-summary-line-format)
2121 (make-local-variable 'gnus-summary-line-format-spec)
2122 (make-local-variable 'gnus-summary-dummy-line-format)
2123 (make-local-variable 'gnus-summary-dummy-line-format-spec)
2124 (make-local-variable 'gnus-summary-mark-positions)
2125 (make-local-hook 'pre-command-hook)
2126 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
2127 (gnus-run-hooks 'gnus-summary-mode-hook)
2128 (mm-enable-multibyte-mule4)
2129 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
2130 (gnus-update-summary-mark-positions))
2132 (defun gnus-summary-make-local-variables ()
2133 "Make all the local summary buffer variables."
2135 (dolist (local gnus-summary-local-variables)
2138 (if (eq (cdr local) 'global)
2139 ;; Copy the global value of the variable.
2140 (setq global (symbol-value (car local)))
2141 ;; Use the value from the list.
2142 (setq global (eval (cdr local))))
2143 (set (make-local-variable (car local)) global))
2144 ;; Simple nil-valued local variable.
2145 (set (make-local-variable local) nil)))))
2147 (defun gnus-summary-clear-local-variables ()
2148 (let ((locals gnus-summary-local-variables))
2150 (if (consp (car locals))
2151 (and (vectorp (caar locals))
2152 (set (caar locals) nil))
2153 (and (vectorp (car locals))
2154 (set (car locals) nil)))
2155 (setq locals (cdr locals)))))
2157 ;; Summary data functions.
2159 (defmacro gnus-data-number (data)
2162 (defmacro gnus-data-set-number (data number)
2163 `(setcar ,data ,number))
2165 (defmacro gnus-data-mark (data)
2168 (defmacro gnus-data-set-mark (data mark)
2169 `(setcar (nthcdr 1 ,data) ,mark))
2171 (defmacro gnus-data-pos (data)
2174 (defmacro gnus-data-set-pos (data pos)
2175 `(setcar (nthcdr 2 ,data) ,pos))
2177 (defmacro gnus-data-header (data)
2180 (defmacro gnus-data-set-header (data header)
2181 `(setf (nth 3 ,data) ,header))
2183 (defmacro gnus-data-level (data)
2186 (defmacro gnus-data-unread-p (data)
2187 `(= (nth 1 ,data) gnus-unread-mark))
2189 (defmacro gnus-data-read-p (data)
2190 `(/= (nth 1 ,data) gnus-unread-mark))
2192 (defmacro gnus-data-pseudo-p (data)
2193 `(consp (nth 3 ,data)))
2195 (defmacro gnus-data-find (number)
2196 `(assq ,number gnus-newsgroup-data))
2198 (defmacro gnus-data-find-list (number &optional data)
2199 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
2200 (memq (assq ,number bdata)
2203 (defmacro gnus-data-make (number mark pos header level)
2204 `(list ,number ,mark ,pos ,header ,level))
2206 (defun gnus-data-enter (after-article number mark pos header level offset)
2207 (let ((data (gnus-data-find-list after-article)))
2209 (error "No such article: %d" after-article))
2210 (setcdr data (cons (gnus-data-make number mark pos header level)
2212 (setq gnus-newsgroup-data-reverse nil)
2213 (gnus-data-update-list (cddr data) offset)))
2215 (defun gnus-data-enter-list (after-article list &optional offset)
2217 (let ((data (and after-article (gnus-data-find-list after-article)))
2221 (let ((odata gnus-newsgroup-data))
2222 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
2224 (gnus-data-update-list odata offset)))
2225 ;; Find the last element in the list to be spliced into the main
2228 (setq list (cdr list)))
2231 (setcdr list gnus-newsgroup-data)
2232 (setq gnus-newsgroup-data ilist)
2234 (gnus-data-update-list (cdr list) offset)))
2235 (setcdr list (cdr data))
2238 (gnus-data-update-list (cdr list) offset))))
2239 (setq gnus-newsgroup-data-reverse nil))))
2241 (defun gnus-data-remove (article &optional offset)
2242 (let ((data gnus-newsgroup-data))
2243 (if (= (gnus-data-number (car data)) article)
2245 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
2246 gnus-newsgroup-data-reverse nil)
2248 (gnus-data-update-list gnus-newsgroup-data offset)))
2250 (when (= (gnus-data-number (cadr data)) article)
2251 (setcdr data (cddr data))
2253 (gnus-data-update-list (cdr data) offset))
2255 gnus-newsgroup-data-reverse nil))
2256 (setq data (cdr data))))))
2258 (defmacro gnus-data-list (backward)
2260 (or gnus-newsgroup-data-reverse
2261 (setq gnus-newsgroup-data-reverse
2262 (reverse gnus-newsgroup-data)))
2263 gnus-newsgroup-data))
2265 (defun gnus-data-update-list (data offset)
2266 "Add OFFSET to the POS of all data entries in DATA."
2267 (setq gnus-newsgroup-data-reverse nil)
2269 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
2270 (setq data (cdr data))))
2272 (defun gnus-summary-article-pseudo-p (article)
2273 "Say whether this article is a pseudo article or not."
2274 (not (vectorp (gnus-data-header (gnus-data-find article)))))
2276 (defmacro gnus-summary-article-sparse-p (article)
2277 "Say whether this article is a sparse article or not."
2278 `(memq ,article gnus-newsgroup-sparse))
2280 (defmacro gnus-summary-article-ancient-p (article)
2281 "Say whether this article is a sparse article or not."
2282 `(memq ,article gnus-newsgroup-ancient))
2284 (defun gnus-article-parent-p (number)
2285 "Say whether this article is a parent or not."
2286 (let ((data (gnus-data-find-list number)))
2287 (and (cdr data) ; There has to be an article after...
2288 (< (gnus-data-level (car data)) ; And it has to have a higher level.
2289 (gnus-data-level (nth 1 data))))))
2291 (defun gnus-article-children (number)
2292 "Return a list of all children to NUMBER."
2293 (let* ((data (gnus-data-find-list number))
2294 (level (gnus-data-level (car data)))
2296 (setq data (cdr data))
2298 (= (gnus-data-level (car data)) (1+ level)))
2299 (push (gnus-data-number (car data)) children)
2300 (setq data (cdr data)))
2303 (defmacro gnus-summary-skip-intangible ()
2304 "If the current article is intangible, then jump to a different article."
2305 '(let ((to (get-text-property (point) 'gnus-intangible)))
2306 (and to (gnus-summary-goto-subject to))))
2308 (defmacro gnus-summary-article-intangible-p ()
2309 "Say whether this article is intangible or not."
2310 '(get-text-property (point) 'gnus-intangible))
2312 (defun gnus-article-read-p (article)
2313 "Say whether ARTICLE is read or not."
2314 (not (or (memq article gnus-newsgroup-marked)
2315 (memq article gnus-newsgroup-unreads)
2316 (memq article gnus-newsgroup-unselected)
2317 (memq article gnus-newsgroup-dormant))))
2319 ;; Some summary mode macros.
2321 (defmacro gnus-summary-article-number ()
2322 "The article number of the article on the current line.
2323 If there isn's an article number here, then we return the current
2326 (gnus-summary-skip-intangible)
2327 (or (get-text-property (point) 'gnus-number)
2328 (gnus-summary-last-subject))))
2330 (defmacro gnus-summary-article-header (&optional number)
2331 "Return the header of article NUMBER."
2332 `(gnus-data-header (gnus-data-find
2333 ,(or number '(gnus-summary-article-number)))))
2335 (defmacro gnus-summary-thread-level (&optional number)
2336 "Return the level of thread that starts with article NUMBER."
2337 `(if (and (eq gnus-summary-make-false-root 'dummy)
2338 (get-text-property (point) 'gnus-intangible))
2340 (gnus-data-level (gnus-data-find
2341 ,(or number '(gnus-summary-article-number))))))
2343 (defmacro gnus-summary-article-mark (&optional number)
2344 "Return the mark of article NUMBER."
2345 `(gnus-data-mark (gnus-data-find
2346 ,(or number '(gnus-summary-article-number)))))
2348 (defmacro gnus-summary-article-pos (&optional number)
2349 "Return the position of the line of article NUMBER."
2350 `(gnus-data-pos (gnus-data-find
2351 ,(or number '(gnus-summary-article-number)))))
2353 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
2354 (defmacro gnus-summary-article-subject (&optional number)
2355 "Return current subject string or nil if nothing."
2358 `(gnus-data-header (assq ,number gnus-newsgroup-data))
2359 '(gnus-data-header (assq (gnus-summary-article-number)
2360 gnus-newsgroup-data)))))
2363 (mail-header-subject headers))))
2365 (defmacro gnus-summary-article-score (&optional number)
2366 "Return current article score."
2367 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
2368 gnus-newsgroup-scored))
2369 gnus-summary-default-score 0))
2371 (defun gnus-summary-article-children (&optional number)
2372 "Return a list of article numbers that are children of article NUMBER."
2373 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
2374 (level (gnus-data-level (car data)))
2376 (while (and (setq data (cdr data))
2377 (> (setq l (gnus-data-level (car data))) level))
2378 (and (= (1+ level) l)
2379 (push (gnus-data-number (car data))
2381 (nreverse children)))
2383 (defun gnus-summary-article-parent (&optional number)
2384 "Return the article number of the parent of article NUMBER."
2385 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
2386 (gnus-data-list t)))
2387 (level (gnus-data-level (car data))))
2389 () ; This is a root.
2390 ;; We search until we find an article with a level less than
2391 ;; this one. That function has to be the parent.
2392 (while (and (setq data (cdr data))
2393 (not (< (gnus-data-level (car data)) level))))
2394 (and data (gnus-data-number (car data))))))
2396 (defun gnus-unread-mark-p (mark)
2397 "Say whether MARK is the unread mark."
2398 (= mark gnus-unread-mark))
2400 (defun gnus-read-mark-p (mark)
2401 "Say whether MARK is one of the marks that mark as read.
2402 This is all marks except unread, ticked, dormant, and expirable."
2403 (not (or (= mark gnus-unread-mark)
2404 (= mark gnus-ticked-mark)
2405 (= mark gnus-dormant-mark)
2406 (= mark gnus-expirable-mark))))
2408 (defmacro gnus-article-mark (number)
2409 "Return the MARK of article NUMBER.
2410 This macro should only be used when computing the mark the \"first\"
2411 time; i.e., when generating the summary lines. After that,
2412 `gnus-summary-article-mark' should be used to examine the
2415 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
2416 ((memq ,number gnus-newsgroup-undownloaded) gnus-undownloaded-mark)
2417 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
2418 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
2419 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
2420 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
2421 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
2422 (t (or (cdr (assq ,number gnus-newsgroup-reads))
2423 gnus-ancient-mark))))
2425 ;; Saving hidden threads.
2427 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
2428 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
2430 (defmacro gnus-save-hidden-threads (&rest forms)
2431 "Save hidden threads, eval FORMS, and restore the hidden threads."
2432 (let ((config (make-symbol "config")))
2433 `(let ((,config (gnus-hidden-threads-configuration)))
2437 (gnus-restore-hidden-threads-configuration ,config)))))
2439 (defun gnus-data-compute-positions ()
2440 "Compute the positions of all articles."
2441 (setq gnus-newsgroup-data-reverse nil)
2442 (let ((data gnus-newsgroup-data))
2444 (gnus-save-hidden-threads
2445 (gnus-summary-show-all-threads)
2446 (goto-char (point-min))
2448 (while (get-text-property (point) 'gnus-intangible)
2450 (gnus-data-set-pos (car data) (+ (point) 3))
2451 (setq data (cdr data))
2452 (forward-line 1))))))
2454 (defun gnus-hidden-threads-configuration ()
2455 "Return the current hidden threads configuration."
2458 (goto-char (point-min))
2459 (while (search-forward "\r" nil t)
2460 (push (1- (point)) config))
2463 (defun gnus-restore-hidden-threads-configuration (config)
2464 "Restore hidden threads configuration from CONFIG."
2466 (let (point buffer-read-only)
2467 (while (setq point (pop config))
2468 (when (and (< point (point-max))
2470 (eq (char-after) ?\n))
2471 (subst-char-in-region point (1+ point) ?\n ?\r))))))
2473 ;; Various summary mode internalish functions.
2475 (defun gnus-mouse-pick-article (e)
2478 (gnus-summary-next-page nil t))
2480 (defun gnus-summary-set-display-table ()
2481 "Change the display table.
2482 Odd characters have a tendency to mess
2483 up nicely formatted displays - we make all possible glyphs
2484 display only a single character."
2486 ;; We start from the standard display table, if any.
2487 (let ((table (or (copy-sequence standard-display-table)
2488 (make-display-table)))
2490 ;; Nix out all the control chars...
2491 (while (>= (setq i (1- i)) 0)
2492 (aset table i [??]))
2493 ;; ... but not newline and cr, of course. (cr is necessary for the
2494 ;; selective display).
2495 (aset table ?\n nil)
2496 (aset table ?\r nil)
2497 ;; We keep TAB as well.
2498 (aset table ?\t nil)
2499 ;; We nix out any glyphs over 126 that are not set already.
2501 (while (>= (setq i (1- i)) 127)
2502 ;; Only modify if the entry is nil.
2503 (unless (aref table i)
2504 (aset table i [??]))))
2505 (setq buffer-display-table table)))
2507 (defun gnus-summary-setup-buffer (group)
2508 "Initialize summary buffer."
2509 (let ((buffer (concat "*Summary " group "*")))
2510 (if (get-buffer buffer)
2513 (setq gnus-summary-buffer (current-buffer))
2514 (not gnus-newsgroup-prepared))
2515 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
2516 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
2517 (gnus-summary-mode group)
2519 (gnus-carpal-setup-buffer 'summary))
2520 (unless gnus-single-article-buffer
2521 (make-local-variable 'gnus-article-buffer)
2522 (make-local-variable 'gnus-article-current)
2523 (make-local-variable 'gnus-original-article-buffer))
2524 (setq gnus-newsgroup-name group)
2527 (defun gnus-set-global-variables ()
2528 "Set the global equivalents of the buffer-local variables.
2529 They are set to the latest values they had. These reflect the summary
2530 buffer that was in action when the last article was fetched."
2531 (when (eq major-mode 'gnus-summary-mode)
2532 (setq gnus-summary-buffer (current-buffer))
2533 (let ((name gnus-newsgroup-name)
2534 (marked gnus-newsgroup-marked)
2535 (unread gnus-newsgroup-unreads)
2536 (headers gnus-current-headers)
2537 (data gnus-newsgroup-data)
2538 (summary gnus-summary-buffer)
2539 (article-buffer gnus-article-buffer)
2540 (original gnus-original-article-buffer)
2541 (gac gnus-article-current)
2542 (reffed gnus-reffed-article-number)
2543 (score-file gnus-current-score-file)
2544 (default-charset gnus-newsgroup-charset)
2546 (let ((locals gnus-newsgroup-variables))
2548 (if (consp (car locals))
2549 (push (eval (caar locals)) vlist)
2550 (push (eval (car locals)) vlist))
2551 (setq locals (cdr locals)))
2552 (setq vlist (nreverse vlist)))
2554 (set-buffer gnus-group-buffer)
2555 (setq gnus-newsgroup-name name
2556 gnus-newsgroup-marked marked
2557 gnus-newsgroup-unreads unread
2558 gnus-current-headers headers
2559 gnus-newsgroup-data data
2560 gnus-article-current gac
2561 gnus-summary-buffer summary
2562 gnus-article-buffer article-buffer
2563 gnus-original-article-buffer original
2564 gnus-reffed-article-number reffed
2565 gnus-current-score-file score-file
2566 gnus-newsgroup-charset default-charset)
2567 (let ((locals gnus-newsgroup-variables))
2569 (if (consp (car locals))
2570 (set (caar locals) (pop vlist))
2571 (set (car locals) (pop vlist)))
2572 (setq locals (cdr locals))))
2573 ;; The article buffer also has local variables.
2574 (when (gnus-buffer-live-p gnus-article-buffer)
2575 (set-buffer gnus-article-buffer)
2576 (setq gnus-summary-buffer summary))))))
2578 (defun gnus-summary-article-unread-p (article)
2579 "Say whether ARTICLE is unread or not."
2580 (memq article gnus-newsgroup-unreads))
2582 (defun gnus-summary-first-article-p (&optional article)
2583 "Return whether ARTICLE is the first article in the buffer."
2584 (if (not (setq article (or article (gnus-summary-article-number))))
2586 (eq article (caar gnus-newsgroup-data))))
2588 (defun gnus-summary-last-article-p (&optional article)
2589 "Return whether ARTICLE is the last article in the buffer."
2590 (if (not (setq article (or article (gnus-summary-article-number))))
2591 ;; All non-existent numbers are the last article. :-)
2593 (not (cdr (gnus-data-find-list article)))))
2595 (defun gnus-make-thread-indent-array ()
2597 (unless (and gnus-thread-indent-array
2598 (= gnus-thread-indent-level gnus-thread-indent-array-level))
2599 (setq gnus-thread-indent-array (make-vector 201 "")
2600 gnus-thread-indent-array-level gnus-thread-indent-level)
2602 (aset gnus-thread-indent-array n
2603 (make-string (* n gnus-thread-indent-level) ? ))
2606 (defun gnus-update-summary-mark-positions ()
2607 "Compute where the summary marks are to go."
2609 (when (gnus-buffer-exists-p gnus-summary-buffer)
2610 (set-buffer gnus-summary-buffer))
2611 (let ((gnus-replied-mark 129)
2612 (gnus-score-below-mark 130)
2613 (gnus-score-over-mark 130)
2614 (gnus-download-mark 131)
2615 (spec gnus-summary-line-format-spec)
2618 (gnus-set-work-buffer)
2619 (let ((gnus-summary-line-format-spec spec)
2620 (gnus-newsgroup-downloadable '((0 . t))))
2621 (gnus-summary-insert-line
2622 [0 "" "" "" "" "" 0 0 "" nil] 0 nil 128 t nil "" nil 1)
2623 (goto-char (point-min))
2624 (setq pos (list (cons 'unread (and (search-forward "\200" nil t)
2626 (goto-char (point-min))
2627 (push (cons 'replied (and (search-forward "\201" nil t)
2630 (goto-char (point-min))
2631 (push (cons 'score (and (search-forward "\202" nil t) (- (point) 2)))
2633 (goto-char (point-min))
2634 (push (cons 'download
2635 (and (search-forward "\203" nil t) (- (point) 2)))
2637 (setq gnus-summary-mark-positions pos))))
2639 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
2640 "Insert a dummy root in the summary buffer."
2642 (gnus-add-text-properties
2643 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
2644 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
2646 (defun gnus-summary-from-or-to-or-newsgroups (header)
2647 (let ((to (cdr (assq 'To (mail-header-extra header))))
2648 (newsgroups (cdr (assq 'Newsgroups (mail-header-extra header))))
2649 (mail-parse-charset gnus-newsgroup-charset)
2650 (mail-parse-ignored-charsets
2651 (save-excursion (set-buffer gnus-summary-buffer)
2652 gnus-newsgroup-ignored-charsets)))
2655 gnus-ignored-from-addresses
2656 (string-match gnus-ignored-from-addresses
2657 (mail-header-from header)))
2659 (or (car (funcall gnus-extract-address-components
2661 gnus-decode-encoded-word-function to)))
2662 (funcall gnus-decode-encoded-word-function to))))
2664 gnus-ignored-from-addresses
2665 (string-match gnus-ignored-from-addresses
2666 (mail-header-from header)))
2667 (concat "=> " newsgroups))
2669 (or (car (funcall gnus-extract-address-components
2670 (mail-header-from header)))
2671 (mail-header-from header))))))
2673 (defun gnus-summary-insert-line (gnus-tmp-header
2674 gnus-tmp-level gnus-tmp-current
2675 gnus-tmp-unread gnus-tmp-replied
2676 gnus-tmp-expirable gnus-tmp-subject-or-nil
2677 &optional gnus-tmp-dummy gnus-tmp-score
2679 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
2680 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
2681 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
2682 (gnus-tmp-score-char
2683 (if (or (null gnus-summary-default-score)
2684 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
2685 gnus-summary-zcore-fuzz))
2687 (if (< gnus-tmp-score gnus-summary-default-score)
2688 gnus-score-below-mark gnus-score-over-mark)))
2690 (cond (gnus-tmp-process gnus-process-mark)
2691 ((memq gnus-tmp-current gnus-newsgroup-cached)
2693 (gnus-tmp-replied gnus-replied-mark)
2694 ((memq gnus-tmp-current gnus-newsgroup-saved)
2696 (t gnus-unread-mark)))
2697 (gnus-tmp-from (mail-header-from gnus-tmp-header))
2700 ((string-match "<[^>]+> *$" gnus-tmp-from)
2701 (let ((beg (match-beginning 0)))
2702 (or (and (string-match "^\".+\"" gnus-tmp-from)
2703 (substring gnus-tmp-from 1 (1- (match-end 0))))
2704 (substring gnus-tmp-from 0 beg))))
2705 ((string-match "(.+)" gnus-tmp-from)
2706 (substring gnus-tmp-from
2707 (1+ (match-beginning 0)) (1- (match-end 0))))
2709 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
2710 (gnus-tmp-number (mail-header-number gnus-tmp-header))
2711 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
2712 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
2713 (buffer-read-only nil))
2714 (when (string= gnus-tmp-name "")
2715 (setq gnus-tmp-name gnus-tmp-from))
2716 (unless (numberp gnus-tmp-lines)
2717 (setq gnus-tmp-lines 0))
2718 (gnus-put-text-property
2720 (progn (eval gnus-summary-line-format-spec) (point))
2721 'gnus-number gnus-tmp-number)
2722 (when (gnus-visual-p 'summary-highlight 'highlight)
2724 (gnus-run-hooks 'gnus-summary-update-hook)
2727 (defun gnus-summary-update-line (&optional dont-update)
2728 "Update summary line after change."
2729 (when (and gnus-summary-default-score
2730 (not gnus-summary-inhibit-highlight))
2731 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
2732 (article (gnus-summary-article-number))
2733 (score (gnus-summary-article-score article)))
2735 (if (and gnus-summary-mark-below
2736 (< (gnus-summary-article-score)
2737 gnus-summary-mark-below))
2738 ;; This article has a low score, so we mark it as read.
2739 (when (memq article gnus-newsgroup-unreads)
2740 (gnus-summary-mark-article-as-read gnus-low-score-mark))
2741 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
2742 ;; This article was previously marked as read on account
2743 ;; of a low score, but now it has risen, so we mark it as
2745 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
2746 (gnus-summary-update-mark
2747 (if (or (null gnus-summary-default-score)
2748 (<= (abs (- score gnus-summary-default-score))
2749 gnus-summary-zcore-fuzz))
2751 (if (< score gnus-summary-default-score)
2752 gnus-score-below-mark gnus-score-over-mark))
2754 ;; Do visual highlighting.
2755 (when (gnus-visual-p 'summary-highlight 'highlight)
2756 (gnus-run-hooks 'gnus-summary-update-hook)))))
2758 (defvar gnus-tmp-new-adopts nil)
2760 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
2761 "Return the number of articles in THREAD.
2762 This may be 0 in some cases -- if none of the articles in
2763 the thread are to be displayed."
2765 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
2767 ((not (listp thread))
2769 ((and (consp thread) (cdr thread))
2772 'gnus-summary-number-of-articles-in-thread (cdr thread))))
2775 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
2778 (when (and level (zerop level) gnus-tmp-new-adopts)
2781 'gnus-summary-number-of-articles-in-thread
2782 gnus-tmp-new-adopts))))
2784 (if (> number 1) gnus-not-empty-thread-mark
2785 gnus-empty-thread-mark)
2788 (defun gnus-summary-set-local-parameters (group)
2789 "Go through the local params of GROUP and set all variable specs in that list."
2790 (let ((params (gnus-group-find-parameter group))
2793 (setq elem (car params)
2794 params (cdr params))
2795 (and (consp elem) ; Has to be a cons.
2796 (consp (cdr elem)) ; The cdr has to be a list.
2797 (symbolp (car elem)) ; Has to be a symbol in there.
2798 (not (memq (car elem) '(quit-config))) ; Ignore quit-config.
2799 (ignore-errors ; So we set it.
2800 (make-local-variable (car elem))
2801 (set (car elem) (eval (nth 1 elem))))))))
2803 (defun gnus-summary-read-group (group &optional show-all no-article
2804 kill-buffer no-display backward
2806 "Start reading news in newsgroup GROUP.
2807 If SHOW-ALL is non-nil, already read articles are also listed.
2808 If NO-ARTICLE is non-nil, no article is selected initially.
2809 If NO-DISPLAY, don't generate a summary buffer."
2813 (let ((gnus-auto-select-next nil))
2814 (or (gnus-summary-read-group-1
2815 group show-all no-article
2816 kill-buffer no-display
2819 select-articles nil)))))
2820 (eq gnus-auto-select-next 'quietly))
2821 (set-buffer gnus-group-buffer)
2822 ;; The entry function called above goes to the next
2823 ;; group automatically, so we go two groups back
2824 ;; if we are searching for the previous group.
2826 (gnus-group-prev-unread-group 2))
2827 (if (not (equal group (gnus-group-group-name)))
2828 (setq group (gnus-group-group-name))
2832 (defun gnus-summary-read-group-1 (group show-all no-article
2833 kill-buffer no-display
2834 &optional select-articles)
2835 ;; Killed foreign groups can't be entered.
2836 (when (and (not (gnus-group-native-p group))
2837 (not (gnus-gethash group gnus-newsrc-hashtb)))
2838 (error "Dead non-native groups can't be entered"))
2839 (gnus-message 5 "Retrieving newsgroup: %s..." group)
2840 (let* ((new-group (gnus-summary-setup-buffer group))
2841 (quit-config (gnus-group-quit-config group))
2842 (did-select (and new-group (gnus-select-newsgroup
2843 group show-all select-articles))))
2845 ;; This summary buffer exists already, so we just select it.
2847 (gnus-set-global-variables)
2849 (gnus-kill-or-deaden-summary kill-buffer))
2850 (gnus-configure-windows 'summary 'force)
2851 (gnus-set-mode-line 'summary)
2852 (gnus-summary-position-point)
2855 ;; We couldn't select this group.
2857 (when (and (eq major-mode 'gnus-summary-mode)
2858 (not (equal (current-buffer) kill-buffer)))
2859 (kill-buffer (current-buffer))
2860 (if (not quit-config)
2862 ;; Update the info -- marks might need to be removed,
2864 (gnus-summary-update-info)
2865 (set-buffer gnus-group-buffer)
2866 (gnus-group-jump-to-group group)
2867 (gnus-group-next-unread-group 1))
2868 (gnus-handle-ephemeral-exit quit-config)))
2869 (gnus-message 3 "Can't select group")
2871 ;; The user did a `C-g' while prompting for number of articles,
2872 ;; so we exit this group.
2873 ((eq did-select 'quit)
2874 (and (eq major-mode 'gnus-summary-mode)
2875 (not (equal (current-buffer) kill-buffer))
2876 (kill-buffer (current-buffer)))
2878 (gnus-kill-or-deaden-summary kill-buffer))
2879 (if (not quit-config)
2881 (set-buffer gnus-group-buffer)
2882 (gnus-group-jump-to-group group)
2883 (gnus-group-next-unread-group 1)
2884 (gnus-configure-windows 'group 'force))
2885 (gnus-handle-ephemeral-exit quit-config))
2886 ;; Finally signal the quit.
2888 ;; The group was successfully selected.
2890 (gnus-set-global-variables)
2891 ;; Save the active value in effect when the group was entered.
2892 (setq gnus-newsgroup-active
2894 (gnus-active gnus-newsgroup-name)))
2895 ;; You can change the summary buffer in some way with this hook.
2896 (gnus-run-hooks 'gnus-select-group-hook)
2897 ;; Set any local variables in the group parameters.
2898 (gnus-summary-set-local-parameters gnus-newsgroup-name)
2899 (gnus-update-format-specifications
2900 nil 'summary 'summary-mode 'summary-dummy)
2901 (gnus-update-summary-mark-positions)
2902 ;; Do score processing.
2903 (when gnus-use-scoring
2904 (gnus-possibly-score-headers))
2905 ;; Check whether to fill in the gaps in the threads.
2906 (when gnus-build-sparse-threads
2907 (gnus-build-sparse-threads))
2908 ;; Find the initial limit.
2909 (if gnus-show-threads
2911 (let ((gnus-newsgroup-dormant nil))
2912 (gnus-summary-initial-limit show-all))
2913 (gnus-summary-initial-limit show-all))
2914 ;; When untreaded, all articles are always shown.
2915 (setq gnus-newsgroup-limit
2917 (lambda (header) (mail-header-number header))
2918 gnus-newsgroup-headers)))
2919 ;; Generate the summary buffer.
2921 (gnus-summary-prepare))
2922 (when gnus-use-trees
2923 (gnus-tree-open group)
2924 (setq gnus-summary-highlight-line-function
2925 'gnus-tree-highlight-article))
2926 ;; If the summary buffer is empty, but there are some low-scored
2927 ;; articles or some excluded dormants, we include these in the
2929 (when (and (zerop (buffer-size))
2931 (cond (gnus-newsgroup-dormant
2932 (gnus-summary-limit-include-dormant))
2933 ((and gnus-newsgroup-scored show-all)
2934 (gnus-summary-limit-include-expunged t))))
2935 ;; Function `gnus-apply-kill-file' must be called in this hook.
2936 (gnus-run-hooks 'gnus-apply-kill-hook)
2937 (if (and (zerop (buffer-size))
2940 ;; This newsgroup is empty.
2941 (gnus-summary-catchup-and-exit nil t)
2942 (gnus-message 6 "No unread news")
2944 (gnus-kill-or-deaden-summary kill-buffer))
2945 ;; Return nil from this function.
2947 ;; Hide conversation thread subtrees. We cannot do this in
2948 ;; gnus-summary-prepare-hook since kill processing may not
2949 ;; work with hidden articles.
2950 (and gnus-show-threads
2951 gnus-thread-hide-subtree
2952 (gnus-summary-hide-all-threads))
2954 (gnus-kill-or-deaden-summary kill-buffer))
2955 ;; Show first unread article if requested.
2956 (if (and (not no-article)
2958 gnus-newsgroup-unreads
2959 gnus-auto-select-first)
2961 (gnus-configure-windows 'summary)
2963 ((eq gnus-auto-select-first 'best)
2964 (gnus-summary-best-unread-article))
2965 ((eq gnus-auto-select-first t)
2966 (gnus-summary-first-unread-article))
2967 ((gnus-functionp gnus-auto-select-first)
2968 (funcall gnus-auto-select-first))))
2969 ;; Don't select any articles, just move point to the first
2970 ;; article in the group.
2971 (goto-char (point-min))
2972 (gnus-summary-position-point)
2973 (gnus-configure-windows 'summary 'force)
2974 (gnus-set-mode-line 'summary))
2975 (when (get-buffer-window gnus-group-buffer t)
2976 ;; Gotta use windows, because recenter does weird stuff if
2977 ;; the current buffer ain't the displayed window.
2978 (let ((owin (selected-window)))
2979 (select-window (get-buffer-window gnus-group-buffer t))
2980 (when (gnus-group-goto-group group)
2982 (select-window owin)))
2983 ;; Mark this buffer as "prepared".
2984 (setq gnus-newsgroup-prepared t)
2985 (gnus-run-hooks 'gnus-summary-prepared-hook)
2988 (defun gnus-summary-prepare ()
2989 "Generate the summary buffer."
2991 (let ((buffer-read-only nil))
2993 (setq gnus-newsgroup-data nil
2994 gnus-newsgroup-data-reverse nil)
2995 (gnus-run-hooks 'gnus-summary-generate-hook)
2996 ;; Generate the buffer, either with threads or without.
2997 (when gnus-newsgroup-headers
2998 (gnus-summary-prepare-threads
2999 (if gnus-show-threads
3000 (gnus-sort-gathered-threads
3001 (funcall gnus-summary-thread-gathering-function
3003 (gnus-cut-threads (gnus-make-threads)))))
3004 ;; Unthreaded display.
3005 (gnus-sort-articles gnus-newsgroup-headers))))
3006 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
3007 ;; Call hooks for modifying summary buffer.
3008 (goto-char (point-min))
3009 (gnus-run-hooks 'gnus-summary-prepare-hook)))
3011 (defsubst gnus-general-simplify-subject (subject)
3012 "Simply subject by the same rules as gnus-gather-threads-by-subject."
3015 ;; Truncate the subject.
3016 (gnus-simplify-subject-functions
3017 (gnus-map-function gnus-simplify-subject-functions subject))
3018 ((numberp gnus-summary-gather-subject-limit)
3019 (setq subject (gnus-simplify-subject-re subject))
3020 (if (> (length subject) gnus-summary-gather-subject-limit)
3021 (substring subject 0 gnus-summary-gather-subject-limit)
3023 ;; Fuzzily simplify it.
3024 ((eq 'fuzzy gnus-summary-gather-subject-limit)
3025 (gnus-simplify-subject-fuzzy subject))
3026 ;; Just remove the leading "Re:".
3028 (gnus-simplify-subject-re subject))))
3030 (if (and gnus-summary-gather-exclude-subject
3031 (string-match gnus-summary-gather-exclude-subject subject))
3032 nil ; This article shouldn't be gathered
3035 (defun gnus-summary-simplify-subject-query ()
3036 "Query where the respool algorithm would put this article."
3038 (gnus-summary-select-article)
3039 (message (gnus-general-simplify-subject (gnus-summary-article-subject))))
3041 (defun gnus-gather-threads-by-subject (threads)
3042 "Gather threads by looking at Subject headers."
3043 (if (not gnus-summary-make-false-root)
3045 (let ((hashtb (gnus-make-hashtable 1024))
3048 subject hthread whole-subject)
3050 (setq subject (gnus-general-simplify-subject
3051 (setq whole-subject (mail-header-subject
3054 (if (setq hthread (gnus-gethash subject hashtb))
3056 ;; We enter a dummy root into the thread, if we
3057 ;; haven't done that already.
3058 (unless (stringp (caar hthread))
3059 (setcar hthread (list whole-subject (car hthread))))
3060 ;; We add this new gathered thread to this gathered
3062 (setcdr (car hthread)
3063 (nconc (cdar hthread) (list (car threads))))
3064 ;; Remove it from the list of threads.
3065 (setcdr prev (cdr threads))
3066 (setq threads prev))
3067 ;; Enter this thread into the hash table.
3068 (gnus-sethash subject threads hashtb)))
3070 (setq threads (cdr threads)))
3073 (defun gnus-gather-threads-by-references (threads)
3074 "Gather threads by looking at References headers."
3075 (let ((idhashtb (gnus-make-hashtable 1024))
3076 (thhashtb (gnus-make-hashtable 1024))
3079 ids references id gthread gid entered ref)
3081 (when (setq references (mail-header-references (caar threads)))
3082 (setq id (mail-header-id (caar threads))
3083 ids (gnus-split-references references)
3085 (while (setq ref (pop ids))
3086 (setq ids (delete ref ids))
3087 (if (not (setq gid (gnus-gethash ref idhashtb)))
3089 (gnus-sethash ref id idhashtb)
3090 (gnus-sethash id threads thhashtb))
3091 (setq gthread (gnus-gethash gid thhashtb))
3093 ;; We enter a dummy root into the thread, if we
3094 ;; haven't done that already.
3095 (unless (stringp (caar gthread))
3096 (setcar gthread (list (mail-header-subject (caar gthread))
3098 ;; We add this new gathered thread to this gathered
3100 (setcdr (car gthread)
3101 (nconc (cdar gthread) (list (car threads)))))
3102 ;; Add it into the thread hash table.
3103 (gnus-sethash id gthread thhashtb)
3105 ;; Remove it from the list of threads.
3106 (setcdr prev (cdr threads))
3107 (setq threads prev))))
3109 (setq threads (cdr threads)))
3112 (defun gnus-sort-gathered-threads (threads)
3113 "Sort subtreads inside each gathered thread by `gnus-sort-gathered-threads-function'."
3114 (let ((result threads))
3116 (when (stringp (caar threads))
3117 (setcdr (car threads)
3118 (sort (cdar threads) gnus-sort-gathered-threads-function)))
3119 (setq threads (cdr threads)))
3122 (defun gnus-thread-loop-p (root thread)
3123 "Say whether ROOT is in THREAD."
3124 (let ((stack (list thread))
3127 (while (setq thread (pop stack))
3128 (setq th (cdr thread))
3130 (not (eq (caar th) root)))
3133 ;; We have found a loop.
3135 (setcdr thread (delq (car th) (cdr thread)))
3136 (if (boundp (setq ref-dep (intern "none"
3137 gnus-newsgroup-dependencies)))
3138 (setcdr (symbol-value ref-dep)
3139 (nconc (cdr (symbol-value ref-dep))
3141 (set ref-dep (list nil (car th))))
3144 ;; Push all the subthreads onto the stack.
3145 (push (cdr thread) stack)))
3148 (defun gnus-make-threads ()
3149 "Go through the dependency hashtb and find the roots. Return all threads."
3151 (while (catch 'infloop
3154 ;; Deal with self-referencing References loops.
3155 (when (and (car (symbol-value refs))
3162 (car (symbol-value refs)) thread))
3163 (cdr (symbol-value refs)))))))
3166 (unless (car (symbol-value refs))
3167 ;; These threads do not refer back to any other articles,
3168 ;; so they're roots.
3169 (setq threads (append (cdr (symbol-value refs)) threads))))
3170 gnus-newsgroup-dependencies)))
3173 ;; Build the thread tree.
3174 (defsubst gnus-dependencies-add-header (header dependencies force-new)
3175 "Enter HEADER into the DEPENDENCIES table if it is not already there.
3177 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
3178 if it was already present.
3180 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
3181 will not be entered in the DEPENDENCIES table. Otherwise duplicate
3182 Message-IDs will be renamed be renamed to a unique Message-ID before
3185 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
3186 (let* ((id (mail-header-id header))
3187 (id-dep (and id (intern id dependencies)))
3188 ref ref-dep ref-header)
3189 ;; Enter this `header' in the `dependencies' table.
3193 ;; The first two cases do the normal part: enter a new `header'
3194 ;; in the `dependencies' table.
3195 ((not (boundp id-dep))
3196 (set id-dep (list header)))
3197 ((null (car (symbol-value id-dep)))
3198 (setcar (symbol-value id-dep) header))
3200 ;; From here the `header' was already present in the
3201 ;; `dependencies' table.
3203 ;; Overrides an existing entry;
3204 ;; just set the header part of the entry.
3205 (setcar (symbol-value id-dep) header))
3207 ;; Renames the existing `header' to a unique Message-ID.
3208 ((not gnus-summary-ignore-duplicates)
3209 ;; An article with this Message-ID has already been seen.
3210 ;; We rename the Message-ID.
3211 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
3213 (mail-header-set-id header id))
3215 ;; The last case ignores an existing entry, except it adds any
3216 ;; additional Xrefs (in case the two articles came from different
3218 ;; Also sets `header' to `nil' meaning that the `dependencies'
3219 ;; table was *not* modified.
3221 (mail-header-set-xref
3222 (car (symbol-value id-dep))
3223 (concat (or (mail-header-xref (car (symbol-value id-dep)))
3225 (or (mail-header-xref header) "")))
3229 ;; First check if that we are not creating a References loop.
3230 (setq ref (gnus-parent-id (mail-header-references header)))
3232 (setq ref-dep (intern-soft ref dependencies))
3234 (setq ref-header (car (symbol-value ref-dep))))
3235 (if (string= id ref)
3236 ;; Yuk! This is a reference loop. Make the article be a
3239 (mail-header-set-references (car (symbol-value id-dep)) "none")
3241 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
3242 (setq ref (gnus-parent-id (mail-header-references header)))
3243 (setq ref-dep (intern (or ref "none") dependencies))
3244 (if (boundp ref-dep)
3245 (setcdr (symbol-value ref-dep)
3246 (nconc (cdr (symbol-value ref-dep))
3247 (list (symbol-value id-dep))))
3248 (set ref-dep (list nil (symbol-value id-dep)))))
3251 (defun gnus-build-sparse-threads ()
3252 (let ((headers gnus-newsgroup-headers)
3253 (mail-parse-charset gnus-newsgroup-charset)
3254 (gnus-summary-ignore-duplicates t)
3255 header references generation relations
3256 subject child end new-child date)
3257 ;; First we create an alist of generations/relations, where
3258 ;; generations is how much we trust the relation, and the relation
3260 (gnus-message 7 "Making sparse threads...")
3262 (nnheader-set-temp-buffer " *gnus sparse threads*")
3263 (while (setq header (pop headers))
3264 (when (and (setq references (mail-header-references header))
3265 (not (string= references "")))
3267 (setq child (mail-header-id header)
3268 subject (mail-header-subject header)
3269 date (mail-header-date header)
3271 (while (search-backward ">" nil t)
3272 (setq end (1+ (point)))
3273 (when (search-backward "<" nil t)
3274 (setq new-child (buffer-substring (point) end))
3275 (push (list (incf generation)
3276 child (setq child new-child)
3280 (push (list (1+ generation) child nil subject) relations))
3282 (kill-buffer (current-buffer)))
3283 ;; Sort over trustworthiness.
3286 (when (gnus-dependencies-add-header
3287 (make-full-mail-header
3288 gnus-reffed-article-number
3289 (nth 3 relation) "" (or (nth 4 relation) "")
3291 (or (nth 2 relation) "") 0 0 "")
3292 gnus-newsgroup-dependencies nil)
3293 (push gnus-reffed-article-number gnus-newsgroup-limit)
3294 (push gnus-reffed-article-number gnus-newsgroup-sparse)
3295 (push (cons gnus-reffed-article-number gnus-sparse-mark)
3296 gnus-newsgroup-reads)
3297 (decf gnus-reffed-article-number)))
3298 (sort relations 'car-less-than-car))
3299 (gnus-message 7 "Making sparse threads...done")))
3301 (defun gnus-build-old-threads ()
3302 ;; Look at all the articles that refer back to old articles, and
3303 ;; fetch the headers for the articles that aren't there. This will
3304 ;; build complete threads - if the roots haven't been expired by the
3306 (let ((mail-parse-charset gnus-newsgroup-charset)
3310 (when (not (car (symbol-value refs)))
3311 (setq heads (cdr (symbol-value refs)))
3313 (if (memq (mail-header-number (caar heads))
3314 gnus-newsgroup-dormant)
3315 (setq heads (cdr heads))
3316 (setq id (symbol-name refs))
3317 (while (and (setq id (gnus-build-get-header id))
3318 (not (car (gnus-id-to-thread id)))))
3319 (setq heads nil)))))
3320 gnus-newsgroup-dependencies)))
3322 ;; This function has to be called with point after the article number
3323 ;; on the beginning of the line.
3324 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
3325 (let ((eol (gnus-point-at-eol))
3326 (buffer (current-buffer))
3329 ;; overview: [num subject from date id refs chars lines misc]
3332 (narrow-to-region (point) eol)
3337 (make-full-mail-header
3339 (funcall gnus-decode-encoded-word-function
3340 (nnheader-nov-field)) ; subject
3341 (funcall gnus-decode-encoded-word-function
3342 (nnheader-nov-field)) ; from
3343 (nnheader-nov-field) ; date
3344 (nnheader-nov-read-message-id) ; id
3345 (nnheader-nov-field) ; refs
3346 (nnheader-nov-read-integer) ; chars
3347 (nnheader-nov-read-integer) ; lines
3349 (if (looking-at "Xref: ")
3350 (goto-char (match-end 0)))
3351 (nnheader-nov-field)) ; Xref
3352 (nnheader-nov-parse-extra)))) ; extra
3356 (when gnus-alter-header-function
3357 (funcall gnus-alter-header-function header))
3358 (gnus-dependencies-add-header header dependencies force-new)))
3360 (defun gnus-build-get-header (id)
3361 "Look through the buffer of NOV lines and find the header to ID.
3362 Enter this line into the dependencies hash table, and return
3363 the id of the parent article (if any)."
3364 (let ((deps gnus-newsgroup-dependencies)
3368 (set-buffer nntp-server-buffer)
3369 (let ((case-fold-search nil))
3370 (goto-char (point-min))
3371 (while (and (not found)
3372 (search-forward id nil t))
3374 (setq found (looking-at
3375 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
3376 (regexp-quote id))))
3377 (or found (beginning-of-line 2)))
3381 (setq header (gnus-nov-parse-line
3382 (read (current-buffer)) deps))
3383 (gnus-parent-id (mail-header-references header))))))
3385 (let ((number (mail-header-number header)))
3386 (push number gnus-newsgroup-limit)
3387 (push header gnus-newsgroup-headers)
3388 (if (memq number gnus-newsgroup-unselected)
3390 (push number gnus-newsgroup-unreads)
3391 (setq gnus-newsgroup-unselected
3392 (delq number gnus-newsgroup-unselected)))
3393 (push number gnus-newsgroup-ancient)))))))
3395 (defun gnus-build-all-threads ()
3396 "Read all the headers."
3397 (let ((gnus-summary-ignore-duplicates t)
3398 (mail-parse-charset gnus-newsgroup-charset)
3399 (dependencies gnus-newsgroup-dependencies)
3402 (set-buffer nntp-server-buffer)
3403 (let ((case-fold-search nil))
3404 (goto-char (point-min))
3407 (setq article (read (current-buffer))
3408 header (gnus-nov-parse-line article dependencies)))
3411 (set-buffer gnus-summary-buffer)
3412 (push header gnus-newsgroup-headers)
3413 (if (memq (setq article (mail-header-number header))
3414 gnus-newsgroup-unselected)
3416 (push article gnus-newsgroup-unreads)
3417 (setq gnus-newsgroup-unselected
3418 (delq article gnus-newsgroup-unselected)))
3419 (push article gnus-newsgroup-ancient)))
3420 (forward-line 1)))))))
3422 (defun gnus-summary-update-article-line (article header)
3423 "Update the line for ARTICLE using HEADERS."
3424 (let* ((id (mail-header-id header))
3425 (thread (gnus-id-to-thread id)))
3427 (error "Article in no thread"))
3428 ;; Update the thread.
3429 (setcar thread header)
3430 (gnus-summary-goto-subject article)
3431 (let* ((datal (gnus-data-find-list article))
3433 (length (when (cdr datal)
3434 (- (gnus-data-pos data)
3435 (gnus-data-pos (cadr datal)))))
3436 (buffer-read-only nil)
3437 (level (gnus-summary-thread-level)))
3439 (gnus-summary-insert-line
3440 header level nil (gnus-article-mark article)
3441 (memq article gnus-newsgroup-replied)
3442 (memq article gnus-newsgroup-expirable)
3443 ;; Only insert the Subject string when it's different
3444 ;; from the previous Subject string.
3449 (mail-header-subject
3452 (gnus-data-find-list
3454 (gnus-data-list t)))))
3455 ;; Error on the side of excessive subjects.
3457 (mail-header-subject header)))
3459 (mail-header-subject header))
3460 nil (cdr (assq article gnus-newsgroup-scored))
3461 (memq article gnus-newsgroup-processable))
3463 (gnus-data-update-list
3464 (cdr datal) (- length (- (gnus-data-pos data) (point))))))))
3466 (defun gnus-summary-update-article (article &optional iheader)
3467 "Update ARTICLE in the summary buffer."
3468 (set-buffer gnus-summary-buffer)
3469 (let* ((header (gnus-summary-article-header article))
3470 (id (mail-header-id header))
3471 (data (gnus-data-find article))
3472 (thread (gnus-id-to-thread id))
3473 (references (mail-header-references header))
3477 (when (and references
3478 (not (equal "" references)))
3481 (buffer-read-only nil)
3487 (delq thread parent)))
3488 (if (gnus-summary-insert-subject id header)
3489 ;; Set the (possibly) new article number in the data structure.
3490 (gnus-data-set-number data (gnus-id-to-article id))
3494 (defun gnus-rebuild-thread (id &optional line)
3495 "Rebuild the thread containing ID.
3496 If LINE, insert the rebuilt thread starting on line LINE."
3497 (let ((buffer-read-only nil)
3498 old-pos current thread data)
3499 (if (not gnus-show-threads)
3500 (setq thread (list (car (gnus-id-to-thread id))))
3501 ;; Get the thread this article is part of.
3502 (setq thread (gnus-remove-thread id)))
3503 (setq old-pos (gnus-point-at-bol))
3504 (setq current (save-excursion
3505 (and (zerop (forward-line -1))
3506 (gnus-summary-article-number))))
3507 ;; If this is a gathered thread, we have to go some re-gathering.
3508 (when (stringp (car thread))
3509 (let ((subject (car thread))
3511 (setq thread (cdr thread))
3513 (unless (memq (setq thr (gnus-id-to-thread
3515 (mail-header-id (caar thread)))))
3518 (setq thread (cdr thread)))
3519 ;; We now have all (unique) roots.
3520 (if (= (length roots) 1)
3521 ;; All the loose roots are now one solid root.
3522 (setq thread (car roots))
3523 (setq thread (cons subject (gnus-sort-threads roots))))))
3525 ;; We then insert this thread into the summary buffer.
3527 (goto-char (point-min))
3528 (forward-line (1- line)))
3529 (let (gnus-newsgroup-data gnus-newsgroup-threads)
3530 (if gnus-show-threads
3531 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
3532 (gnus-summary-prepare-unthreaded thread))
3533 (setq data (nreverse gnus-newsgroup-data))
3534 (setq threads gnus-newsgroup-threads))
3535 ;; We splice the new data into the data structure.
3536 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
3537 ;;!!! then we want to insert at the beginning of the buffer.
3538 ;;!!! That happens to be true with Gnus now, but that may
3539 ;;!!! change in the future. Perhaps.
3540 (gnus-data-enter-list
3541 (if line nil current) data (- (point) old-pos))
3542 (setq gnus-newsgroup-threads
3543 (nconc threads gnus-newsgroup-threads))
3544 (gnus-data-compute-positions))))
3546 (defun gnus-number-to-header (number)
3547 "Return the header for article NUMBER."
3548 (let ((headers gnus-newsgroup-headers))
3550 (not (= number (mail-header-number (car headers)))))
3555 (defun gnus-parent-headers (in-headers &optional generation)
3556 "Return the headers of the GENERATIONeth parent of HEADERS."
3558 (setq generation 1))
3560 (headers in-headers)
3563 (not (zerop generation))
3564 (setq references (mail-header-references headers)))
3565 (setq headers (if (and references
3566 (setq parent (gnus-parent-id references)))
3567 (car (gnus-id-to-thread parent))
3570 (and (not (eq headers in-headers))
3573 (defun gnus-id-to-thread (id)
3574 "Return the (sub-)thread where ID appears."
3575 (gnus-gethash id gnus-newsgroup-dependencies))
3577 (defun gnus-id-to-article (id)
3578 "Return the article number of ID."
3579 (let ((thread (gnus-id-to-thread id)))
3582 (mail-header-number (car thread)))))
3584 (defun gnus-id-to-header (id)
3585 "Return the article headers of ID."
3586 (car (gnus-id-to-thread id)))
3588 (defun gnus-article-displayed-root-p (article)
3589 "Say whether ARTICLE is a root(ish) article."
3590 (let ((level (gnus-summary-thread-level article))
3591 (refs (mail-header-references (gnus-summary-article-header article)))
3597 ((null (gnus-parent-id refs)) t)
3599 (null (setq particle (gnus-id-to-article
3600 (gnus-parent-id refs))))
3601 (null (gnus-summary-thread-level particle)))))))
3603 (defun gnus-root-id (id)
3604 "Return the id of the root of the thread where ID appears."
3606 (while (and id (setq prev (car (gnus-id-to-thread id))))
3608 id (gnus-parent-id (mail-header-references prev))))
3611 (defun gnus-articles-in-thread (thread)
3612 "Return the list of articles in THREAD."
3613 (cons (mail-header-number (car thread))
3614 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
3616 (defun gnus-remove-thread (id &optional dont-remove)
3617 "Remove the thread that has ID in it."
3618 (let (headers thread last-id)
3619 ;; First go up in this thread until we find the root.
3620 (setq last-id (gnus-root-id id)
3621 headers (message-flatten-list (gnus-id-to-thread last-id)))
3622 ;; We have now found the real root of this thread. It might have
3623 ;; been gathered into some loose thread, so we have to search
3624 ;; through the threads to find the thread we wanted.
3625 (let ((threads gnus-newsgroup-threads)
3628 (setq sub (car threads))
3629 (if (stringp (car sub))
3630 ;; This is a gathered thread, so we look at the roots
3631 ;; below it to find whether this article is in this
3634 (setq sub (cdr sub))
3636 (when (member (caar sub) headers)
3637 (setq thread (car threads)
3640 (setq sub (cdr sub))))
3641 ;; It's an ordinary thread, so we check it.
3642 (when (eq (car sub) (car headers))
3645 (setq threads (cdr threads)))
3646 ;; If this article is in no thread, then it's a root.
3649 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
3650 (setq thread (gnus-id-to-thread last-id)))
3653 thread ; We return this thread.
3655 (if (stringp (car thread))
3657 ;; If we use dummy roots, then we have to remove the
3658 ;; dummy root as well.
3659 (when (eq gnus-summary-make-false-root 'dummy)
3660 ;; We go to the dummy root by going to
3661 ;; the first sub-"thread", and then one line up.
3662 (gnus-summary-goto-article
3663 (mail-header-number (caadr thread)))
3666 (gnus-data-compute-positions))
3667 (setq thread (cdr thread))
3669 (gnus-remove-thread-1 (car thread))
3670 (setq thread (cdr thread))))
3671 (gnus-remove-thread-1 thread))))))))
3673 (defun gnus-remove-thread-1 (thread)
3674 "Remove the thread THREAD recursively."
3675 (let ((number (mail-header-number (pop thread)))
3677 (setq thread (reverse thread))
3679 (gnus-remove-thread-1 (pop thread)))
3680 (when (setq d (gnus-data-find number))
3681 (goto-char (gnus-data-pos d))
3682 (gnus-summary-show-thread)
3685 (- (gnus-point-at-bol)
3687 (1+ (gnus-point-at-eol))
3688 (gnus-delete-line)))))))
3690 (defun gnus-sort-threads-1 (threads func)
3691 (sort (mapcar (lambda (thread)
3694 (gnus-sort-threads-1 (cdr thread) func))))
3697 (defun gnus-sort-threads (threads)
3699 (if (not gnus-thread-sort-functions)
3701 (gnus-message 8 "Sorting threads...")
3703 (gnus-sort-threads-1
3705 (gnus-make-sort-function gnus-thread-sort-functions))
3706 (gnus-message 8 "Sorting threads...done"))))
3708 (defun gnus-sort-articles (articles)
3710 (when gnus-article-sort-functions
3711 (gnus-message 7 "Sorting articles...")
3713 (setq gnus-newsgroup-headers
3714 (sort articles (gnus-make-sort-function
3715 gnus-article-sort-functions)))
3716 (gnus-message 7 "Sorting articles...done"))))
3718 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
3719 (defmacro gnus-thread-header (thread)
3720 "Return header of first article in THREAD.
3721 Note that THREAD must never, ever be anything else than a variable -
3722 using some other form will lead to serious barfage."
3723 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
3724 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
3725 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207"
3728 (defsubst gnus-article-sort-by-number (h1 h2)
3729 "Sort articles by article number."
3730 (< (mail-header-number h1)
3731 (mail-header-number h2)))
3733 (defun gnus-thread-sort-by-number (h1 h2)
3734 "Sort threads by root article number."
3735 (gnus-article-sort-by-number
3736 (gnus-thread-header h1) (gnus-thread-header h2)))
3738 (defsubst gnus-article-sort-by-lines (h1 h2)
3739 "Sort articles by article Lines header."
3740 (< (mail-header-lines h1)
3741 (mail-header-lines h2)))
3743 (defun gnus-thread-sort-by-lines (h1 h2)
3744 "Sort threads by root article Lines header."
3745 (gnus-article-sort-by-lines
3746 (gnus-thread-header h1) (gnus-thread-header h2)))
3748 (defsubst gnus-article-sort-by-chars (h1 h2)
3749 "Sort articles by octet length."
3750 (< (mail-header-chars h1)
3751 (mail-header-chars h2)))
3753 (defun gnus-thread-sort-by-chars (h1 h2)
3754 "Sort threads by root article octet length."
3755 (gnus-article-sort-by-chars
3756 (gnus-thread-header h1) (gnus-thread-header h2)))
3758 (defsubst gnus-article-sort-by-author (h1 h2)
3759 "Sort articles by root author."
3761 (let ((extract (funcall
3762 gnus-extract-address-components
3763 (mail-header-from h1))))
3764 (or (car extract) (cadr extract) ""))
3765 (let ((extract (funcall
3766 gnus-extract-address-components
3767 (mail-header-from h2))))
3768 (or (car extract) (cadr extract) ""))))
3770 (defun gnus-thread-sort-by-author (h1 h2)
3771 "Sort threads by root author."
3772 (gnus-article-sort-by-author
3773 (gnus-thread-header h1) (gnus-thread-header h2)))
3775 (defsubst gnus-article-sort-by-subject (h1 h2)
3776 "Sort articles by root subject."
3778 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
3779 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
3781 (defun gnus-thread-sort-by-subject (h1 h2)
3782 "Sort threads by root subject."
3783 (gnus-article-sort-by-subject
3784 (gnus-thread-header h1) (gnus-thread-header h2)))
3786 (defsubst gnus-article-sort-by-date (h1 h2)
3787 "Sort articles by root article date."
3789 (gnus-date-get-time (mail-header-date h1))
3790 (gnus-date-get-time (mail-header-date h2))))
3792 (defun gnus-thread-sort-by-date (h1 h2)
3793 "Sort threads by root article date."
3794 (gnus-article-sort-by-date
3795 (gnus-thread-header h1) (gnus-thread-header h2)))
3797 (defsubst gnus-article-sort-by-score (h1 h2)
3798 "Sort articles by root article score.
3799 Unscored articles will be counted as having a score of zero."
3800 (> (or (cdr (assq (mail-header-number h1)
3801 gnus-newsgroup-scored))
3802 gnus-summary-default-score 0)
3803 (or (cdr (assq (mail-header-number h2)
3804 gnus-newsgroup-scored))
3805 gnus-summary-default-score 0)))
3807 (defun gnus-thread-sort-by-score (h1 h2)
3808 "Sort threads by root article score."
3809 (gnus-article-sort-by-score
3810 (gnus-thread-header h1) (gnus-thread-header h2)))
3812 (defun gnus-thread-sort-by-total-score (h1 h2)
3813 "Sort threads by the sum of all scores in the thread.
3814 Unscored articles will be counted as having a score of zero."
3815 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
3817 (defun gnus-thread-total-score (thread)
3818 ;; This function find the total score of THREAD.
3819 (cond ((null thread)
3822 (if (stringp (car thread))
3823 (apply gnus-thread-score-function 0
3824 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
3825 (gnus-thread-total-score-1 thread)))
3827 (gnus-thread-total-score-1 (list thread)))))
3829 (defun gnus-thread-total-score-1 (root)
3830 ;; This function find the total score of the thread below ROOT.
3831 (setq root (car root))
3832 (apply gnus-thread-score-function
3834 (mapcar 'gnus-thread-total-score
3835 (cdr (gnus-id-to-thread (mail-header-id root))))
3836 (when (> (mail-header-number root) 0)
3837 (list (or (cdr (assq (mail-header-number root)
3838 gnus-newsgroup-scored))
3839 gnus-summary-default-score 0))))
3840 (list gnus-summary-default-score)
3843 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
3844 (defvar gnus-tmp-prev-subject nil)
3845 (defvar gnus-tmp-false-parent nil)
3846 (defvar gnus-tmp-root-expunged nil)
3847 (defvar gnus-tmp-dummy-line nil)
3849 (defvar gnus-tmp-header)
3850 (defun gnus-extra-header (type &optional header)
3851 "Return the extra header of TYPE."
3852 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
3855 (defun gnus-summary-prepare-threads (threads)
3856 "Prepare summary buffer from THREADS and indentation LEVEL.
3857 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
3858 or a straight list of headers."
3859 (gnus-message 7 "Generating summary...")
3861 (setq gnus-newsgroup-threads threads)
3864 (let ((gnus-tmp-level 0)
3865 (default-score (or gnus-summary-default-score 0))
3866 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
3867 thread number subject stack state gnus-tmp-gathered beg-match
3868 new-roots gnus-tmp-new-adopts thread-end
3869 gnus-tmp-header gnus-tmp-unread
3870 gnus-tmp-replied gnus-tmp-subject-or-nil
3871 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
3872 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
3873 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket)
3875 (setq gnus-tmp-prev-subject nil)
3877 (if (vectorp (car threads))
3878 ;; If this is a straight (sic) list of headers, then a
3879 ;; threaded summary display isn't required, so we just create
3880 ;; an unthreaded one.
3881 (gnus-summary-prepare-unthreaded threads)
3883 ;; Do the threaded display.
3885 (while (or threads stack gnus-tmp-new-adopts new-roots)
3887 (if (and (= gnus-tmp-level 0)
3890 (not gnus-tmp-false-parent)
3891 (or gnus-tmp-new-adopts new-roots))
3892 (if gnus-tmp-new-adopts
3893 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
3894 thread (list (car gnus-tmp-new-adopts))
3895 gnus-tmp-header (caar thread)
3896 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
3898 (setq thread (list (car new-roots))
3899 gnus-tmp-header (caar thread)
3900 new-roots (cdr new-roots))))
3903 ;; If there are some threads, we do them before the
3904 ;; threads on the stack.
3905 (setq thread threads
3906 gnus-tmp-header (caar thread))
3907 ;; There were no current threads, so we pop something off
3909 (setq state (car stack)
3910 gnus-tmp-level (car state)
3913 gnus-tmp-header (caar thread))))
3915 (setq gnus-tmp-false-parent nil)
3916 (setq gnus-tmp-root-expunged nil)
3917 (setq thread-end nil)
3919 (if (stringp gnus-tmp-header)
3920 ;; The header is a dummy root.
3922 ((eq gnus-summary-make-false-root 'adopt)
3923 ;; We let the first article adopt the rest.
3924 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
3926 (setq gnus-tmp-gathered
3928 (lambda (h) (mail-header-number (car h)))
3931 (setq thread (cons (list (caar thread)
3934 (setq gnus-tmp-level -1
3935 gnus-tmp-false-parent t))
3936 ((eq gnus-summary-make-false-root 'empty)
3937 ;; We print adopted articles with empty subject fields.
3938 (setq gnus-tmp-gathered
3940 (lambda (h) (mail-header-number (car h)))
3943 (setq gnus-tmp-level -1))
3944 ((eq gnus-summary-make-false-root 'dummy)
3945 ;; We remember that we probably want to output a dummy
3947 (setq gnus-tmp-dummy-line gnus-tmp-header)
3948 (setq gnus-tmp-prev-subject gnus-tmp-header))
3950 ;; We do not make a root for the gathered
3951 ;; sub-threads at all.
3952 (setq gnus-tmp-level -1)))
3954 (setq number (mail-header-number gnus-tmp-header)
3955 subject (mail-header-subject gnus-tmp-header))
3958 ;; If the thread has changed subject, we might want to make
3959 ;; this subthread into a root.
3960 ((and (null gnus-thread-ignore-subject)
3961 (not (zerop gnus-tmp-level))
3962 gnus-tmp-prev-subject
3964 (gnus-subject-equal gnus-tmp-prev-subject subject))))
3965 (setq new-roots (nconc new-roots (list (car thread)))
3967 gnus-tmp-header nil))
3968 ;; If the article lies outside the current limit,
3969 ;; then we do not display it.
3970 ((not (memq number gnus-newsgroup-limit))
3971 (setq gnus-tmp-gathered
3973 (lambda (h) (mail-header-number (car h)))
3976 (setq gnus-tmp-new-adopts (if (cdar thread)
3977 (append gnus-tmp-new-adopts
3979 gnus-tmp-new-adopts)
3981 gnus-tmp-header nil)
3982 (when (zerop gnus-tmp-level)
3983 (setq gnus-tmp-root-expunged t)))
3984 ;; Perhaps this article is to be marked as read?
3985 ((and gnus-summary-mark-below
3986 (< (or (cdr (assq number gnus-newsgroup-scored))
3988 gnus-summary-mark-below)
3989 ;; Don't touch sparse articles.
3990 (not (gnus-summary-article-sparse-p number))
3991 (not (gnus-summary-article-ancient-p number)))
3992 (setq gnus-newsgroup-unreads
3993 (delq number gnus-newsgroup-unreads))
3994 (if gnus-newsgroup-auto-expire
3995 (push number gnus-newsgroup-expirable)
3996 (push (cons number gnus-low-score-mark)
3997 gnus-newsgroup-reads))))
3999 (when gnus-tmp-header
4000 ;; We may have an old dummy line to output before this
4002 (when (and gnus-tmp-dummy-line
4005 (mail-header-subject gnus-tmp-header)))
4006 (gnus-summary-insert-dummy-line
4007 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
4008 (setq gnus-tmp-dummy-line nil))
4010 ;; Compute the mark.
4011 (setq gnus-tmp-unread (gnus-article-mark number))
4013 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
4014 gnus-tmp-header gnus-tmp-level)
4015 gnus-newsgroup-data)
4017 ;; Actually insert the line.
4019 gnus-tmp-subject-or-nil
4021 ((and gnus-thread-ignore-subject
4022 gnus-tmp-prev-subject
4023 (not (inline (gnus-subject-equal
4024 gnus-tmp-prev-subject subject))))
4026 ((zerop gnus-tmp-level)
4027 (if (and (eq gnus-summary-make-false-root 'empty)
4028 (memq number gnus-tmp-gathered)
4029 gnus-tmp-prev-subject
4030 (inline (gnus-subject-equal
4031 gnus-tmp-prev-subject subject)))
4032 gnus-summary-same-subject
4034 (t gnus-summary-same-subject)))
4035 (if (and (eq gnus-summary-make-false-root 'adopt)
4036 (= gnus-tmp-level 1)
4037 (memq number gnus-tmp-gathered))
4038 (setq gnus-tmp-opening-bracket ?\<
4039 gnus-tmp-closing-bracket ?\>)
4040 (setq gnus-tmp-opening-bracket ?\[
4041 gnus-tmp-closing-bracket ?\]))
4043 gnus-tmp-indentation
4044 (aref gnus-thread-indent-array gnus-tmp-level)
4045 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
4046 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
4047 gnus-summary-default-score 0)
4049 (if (or (null gnus-summary-default-score)
4050 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
4051 gnus-summary-zcore-fuzz))
4053 (if (< gnus-tmp-score gnus-summary-default-score)
4054 gnus-score-below-mark gnus-score-over-mark))
4056 (cond ((memq number gnus-newsgroup-processable)
4058 ((memq number gnus-newsgroup-cached)
4060 ((memq number gnus-newsgroup-replied)
4062 ((memq number gnus-newsgroup-saved)
4064 (t gnus-unread-mark))
4065 gnus-tmp-from (mail-header-from gnus-tmp-header)
4068 ((string-match "<[^>]+> *$" gnus-tmp-from)
4069 (setq beg-match (match-beginning 0))
4070 (or (and (string-match "^\".+\"" gnus-tmp-from)
4071 (substring gnus-tmp-from 1 (1- (match-end 0))))
4072 (substring gnus-tmp-from 0 beg-match)))
4073 ((string-match "(.+)" gnus-tmp-from)
4074 (substring gnus-tmp-from
4075 (1+ (match-beginning 0)) (1- (match-end 0))))
4077 (when (string= gnus-tmp-name "")
4078 (setq gnus-tmp-name gnus-tmp-from))
4079 (unless (numberp gnus-tmp-lines)
4080 (setq gnus-tmp-lines 0))
4081 (gnus-put-text-property
4083 (progn (eval gnus-summary-line-format-spec) (point))
4084 'gnus-number number)
4087 (gnus-run-hooks 'gnus-summary-update-hook)
4090 (setq gnus-tmp-prev-subject subject)))
4092 (when (nth 1 thread)
4093 (push (cons (max 0 gnus-tmp-level) (nthcdr 1 thread)) stack))
4094 (incf gnus-tmp-level)
4095 (setq threads (if thread-end nil (cdar thread)))
4097 (setq gnus-tmp-level 0)))))
4098 (gnus-message 7 "Generating summary...done"))
4100 (defun gnus-summary-prepare-unthreaded (headers)
4101 "Generate an unthreaded summary buffer based on HEADERS."
4102 (let (header number mark)
4107 ;; We may have to root out some bad articles...
4108 (when (memq (setq number (mail-header-number
4109 (setq header (pop headers))))
4110 gnus-newsgroup-limit)
4111 ;; Mark article as read when it has a low score.
4112 (when (and gnus-summary-mark-below
4113 (< (or (cdr (assq number gnus-newsgroup-scored))
4114 gnus-summary-default-score 0)
4115 gnus-summary-mark-below)
4116 (not (gnus-summary-article-ancient-p number)))
4117 (setq gnus-newsgroup-unreads
4118 (delq number gnus-newsgroup-unreads))
4119 (if gnus-newsgroup-auto-expire
4120 (push number gnus-newsgroup-expirable)
4121 (push (cons number gnus-low-score-mark)
4122 gnus-newsgroup-reads)))
4124 (setq mark (gnus-article-mark number))
4125 (push (gnus-data-make number mark (1+ (point)) header 0)
4126 gnus-newsgroup-data)
4127 (gnus-summary-insert-line
4129 mark (memq number gnus-newsgroup-replied)
4130 (memq number gnus-newsgroup-expirable)
4131 (mail-header-subject header) nil
4132 (cdr (assq number gnus-newsgroup-scored))
4133 (memq number gnus-newsgroup-processable))))))
4135 (defun gnus-summary-remove-list-identifiers ()
4136 "Remove list identifiers in `gnus-list-identifiers' from articles in the current group."
4137 (let ((regexp (if (stringp gnus-list-identifiers)
4138 gnus-list-identifiers
4139 (mapconcat 'identity gnus-list-identifiers " *\\|"))))
4140 (dolist (header gnus-newsgroup-headers)
4141 (when (string-match (concat "\\(\\(\\(Re: +\\)?\\(" regexp
4142 " *\\)\\)+\\(Re: +\\)?\\)")
4143 (mail-header-subject header))
4144 (mail-header-set-subject
4145 header (concat (substring (mail-header-subject header)
4146 0 (match-beginning 1))
4148 (match-string 3 (mail-header-subject header))
4149 (match-string 5 (mail-header-subject header)))
4150 (substring (mail-header-subject header)
4151 (match-end 1))))))))
4153 (defun gnus-select-newsgroup (group &optional read-all select-articles)
4154 "Select newsgroup GROUP.
4155 If READ-ALL is non-nil, all articles in the group are selected.
4156 If SELECT-ARTICLES, only select those articles from GROUP."
4157 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
4158 ;;!!! Dirty hack; should be removed.
4159 (gnus-summary-ignore-duplicates
4160 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
4162 gnus-summary-ignore-duplicates))
4163 (info (nth 2 entry))
4164 articles fetched-articles cached)
4166 (unless (gnus-check-server
4167 (setq gnus-current-select-method
4168 (gnus-find-method-for-group group)))
4169 (error "Couldn't open server"))
4171 (or (and entry (not (eq (car entry) t))) ; Either it's active...
4172 (gnus-activate-group group) ; Or we can activate it...
4173 (progn ; Or we bug out.
4174 (when (equal major-mode 'gnus-summary-mode)
4175 (kill-buffer (current-buffer)))
4176 (error "Couldn't activate group %s: %s"
4177 group (gnus-status-message group))))
4179 (unless (gnus-request-group group t)
4180 (when (equal major-mode 'gnus-summary-mode)
4181 (kill-buffer (current-buffer)))
4182 (error "Couldn't request group %s: %s"
4183 group (gnus-status-message group)))
4185 (setq gnus-newsgroup-name group)
4186 (setq gnus-newsgroup-unselected nil)
4187 (setq gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
4188 (gnus-summary-setup-default-charset)
4190 ;; Adjust and set lists of article marks.
4192 (gnus-adjust-marked-articles info))
4194 ;; Kludge to avoid having cached articles nixed out in virtual groups.
4195 (when (gnus-virtual-group-p group)
4196 (setq cached gnus-newsgroup-cached))
4198 (setq gnus-newsgroup-unreads
4199 (gnus-set-difference
4200 (gnus-set-difference gnus-newsgroup-unreads gnus-newsgroup-marked)
4201 gnus-newsgroup-dormant))
4203 (setq gnus-newsgroup-processable nil)
4205 (gnus-update-read-articles group gnus-newsgroup-unreads)
4207 (if (setq articles select-articles)
4208 (setq gnus-newsgroup-unselected
4209 (gnus-sorted-intersection
4210 gnus-newsgroup-unreads
4211 (gnus-sorted-complement gnus-newsgroup-unreads articles)))
4212 (setq articles (gnus-articles-to-read group read-all)))
4216 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
4218 ((eq articles 0) nil)
4220 ;; Init the dependencies hash table.
4221 (setq gnus-newsgroup-dependencies
4222 (gnus-make-hashtable (length articles)))
4223 (gnus-set-global-variables)
4224 ;; Retrieve the headers and read them in.
4225 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
4226 (setq gnus-newsgroup-headers
4228 (setq gnus-headers-retrieved-by
4229 (gnus-retrieve-headers
4230 articles gnus-newsgroup-name
4231 ;; We might want to fetch old headers, but
4232 ;; not if there is only 1 article.
4234 (not (eq gnus-fetch-old-headers 'some))
4235 (not (numberp gnus-fetch-old-headers)))
4236 (> (length articles) 1))
4237 gnus-fetch-old-headers))))
4238 (gnus-get-newsgroup-headers-xover
4239 articles nil nil gnus-newsgroup-name t)
4240 (gnus-get-newsgroup-headers)))
4241 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name)
4243 ;; Kludge to avoid having cached articles nixed out in virtual groups.
4245 (setq gnus-newsgroup-cached cached))
4247 ;; Suppress duplicates?
4248 (when gnus-suppress-duplicates
4249 (gnus-dup-suppress-articles))
4251 ;; Set the initial limit.
4252 (setq gnus-newsgroup-limit (copy-sequence articles))
4253 ;; Remove canceled articles from the list of unread articles.
4254 (setq gnus-newsgroup-unreads
4255 (gnus-set-sorted-intersection
4256 gnus-newsgroup-unreads
4257 (setq fetched-articles
4258 (mapcar (lambda (headers) (mail-header-number headers))
4259 gnus-newsgroup-headers))))
4260 ;; Removed marked articles that do not exist.
4261 (gnus-update-missing-marks
4262 (gnus-sorted-complement fetched-articles articles))
4263 ;; We might want to build some more threads first.
4264 (when (and gnus-fetch-old-headers
4265 (eq gnus-headers-retrieved-by 'nov))
4266 (if (eq gnus-fetch-old-headers 'invisible)
4267 (gnus-build-all-threads)
4268 (gnus-build-old-threads)))
4269 ;; Let the Gnus agent mark articles as read.
4271 (gnus-agent-get-undownloaded-list))
4272 ;; Remove list identifiers from subject
4273 (when gnus-list-identifiers
4274 (gnus-summary-remove-list-identifiers))
4275 ;; Check whether auto-expire is to be done in this group.
4276 (setq gnus-newsgroup-auto-expire
4277 (gnus-group-auto-expirable-p group))
4278 ;; Set up the article buffer now, if necessary.
4279 (unless gnus-single-article-buffer
4280 (gnus-article-setup-buffer))
4281 ;; First and last article in this newsgroup.
4282 (when gnus-newsgroup-headers
4283 (setq gnus-newsgroup-begin
4284 (mail-header-number (car gnus-newsgroup-headers))
4287 (gnus-last-element gnus-newsgroup-headers))))
4288 ;; GROUP is successfully selected.
4289 (or gnus-newsgroup-headers t)))))
4291 (defun gnus-articles-to-read (group &optional read-all)
4292 "Find out what articles the user wants to read."
4294 ;; Select all articles if `read-all' is non-nil, or if there
4295 ;; are no unread articles.
4297 (and (zerop (length gnus-newsgroup-marked))
4298 (zerop (length gnus-newsgroup-unreads)))
4299 (eq (gnus-group-find-parameter group 'display)
4302 (gnus-uncompress-range (gnus-active group))
4303 (gnus-cache-articles-in-group group))
4304 (sort (append gnus-newsgroup-dormant gnus-newsgroup-marked
4305 (copy-sequence gnus-newsgroup-unreads))
4307 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
4308 (scored (length scored-list))
4309 (number (length articles))
4310 (marked (+ (length gnus-newsgroup-marked)
4311 (length gnus-newsgroup-dormant)))
4319 ((and (or (<= scored marked) (= scored number))
4320 (numberp gnus-large-newsgroup)
4321 (> number gnus-large-newsgroup))
4325 "How many articles from %s (default %d): "
4326 (gnus-limit-string gnus-newsgroup-name 35)
4328 (if (string-match "^[ \t]*$" input) number input)))
4329 ((and (> scored marked) (< scored number)
4330 (> (- scored number) 20))
4333 (format "%s %s (%d scored, %d total): "
4334 "How many articles from"
4335 group scored number))))
4336 (if (string-match "^[ \t]*$" input)
4340 (message "Quit getting the articles to read")
4342 (setq select (if (stringp select) (string-to-number select) select))
4343 (if (or (null select) (zerop select))
4345 (if (and (not (zerop scored)) (<= (abs select) scored))
4347 (setq articles (sort scored-list '<))
4348 (setq number (length articles)))
4349 (setq articles (copy-sequence articles)))
4351 (when (< (abs select) number)
4353 ;; Select the N oldest articles.
4354 (setcdr (nthcdr (1- (abs select)) articles) nil)
4355 ;; Select the N most recent articles.
4356 (setq articles (nthcdr (- number select) articles))))
4357 (setq gnus-newsgroup-unselected
4358 (gnus-sorted-intersection
4359 gnus-newsgroup-unreads
4360 (gnus-sorted-complement gnus-newsgroup-unreads articles)))
4361 (when gnus-alter-articles-to-read-function
4362 (setq gnus-newsgroup-unreads
4364 (funcall gnus-alter-articles-to-read-function
4365 gnus-newsgroup-name gnus-newsgroup-unreads)
4369 (defun gnus-killed-articles (killed articles)
4372 (when (inline (gnus-member-of-range (car articles) killed))
4373 (push (car articles) out))
4374 (setq articles (cdr articles)))
4377 (defun gnus-uncompress-marks (marks)
4378 "Uncompress the mark ranges in MARKS."
4379 (let ((uncompressed '(score bookmark))
4382 (if (memq (caar marks) uncompressed)
4383 (push (car marks) out)
4384 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
4385 (setq marks (cdr marks)))
4388 (defun gnus-adjust-marked-articles (info)
4389 "Set all article lists and remove all marks that are no longer valid."
4390 (let* ((marked-lists (gnus-info-marks info))
4391 (active (gnus-active (gnus-info-group info)))
4394 (types gnus-article-mark-lists)
4395 (uncompressed '(score bookmark killed))
4396 marks var articles article mark)
4399 (setq marks (pop marked-lists))
4400 (set (setq var (intern (format "gnus-newsgroup-%s"
4401 (car (rassq (setq mark (car marks))
4403 (if (memq (car marks) uncompressed) (cdr marks)
4404 (gnus-uncompress-range (cdr marks))))
4406 (setq articles (symbol-value var))
4408 ;; All articles have to be subsets of the active articles.
4410 ;; Adjust "simple" lists.
4411 ((memq mark '(tick dormant expire reply save))
4413 (when (or (< (setq article (pop articles)) min) (> article max))
4414 (set var (delq article (symbol-value var))))))
4416 ((memq mark uncompressed)
4417 (when (not (listp (cdr (symbol-value var))))
4418 (set var (list (symbol-value var))))
4419 (when (not (listp (cdr articles)))
4420 (setq articles (list articles)))
4422 (when (or (not (consp (setq article (pop articles))))
4423 (< (car article) min)
4424 (> (car article) max))
4425 (set var (delq article (symbol-value var))))))))))
4427 (defun gnus-update-missing-marks (missing)
4428 "Go through the list of MISSING articles and remove them from the mark lists."
4430 (let ((types gnus-article-mark-lists)
4432 ;; Go through all types.
4434 (setq var (intern (format "gnus-newsgroup-%s" (car (pop types)))))
4435 (when (symbol-value var)
4436 ;; This list has articles. So we delete all missing articles
4440 (set var (delq (pop m) (symbol-value var)))))))))
4442 (defun gnus-update-marks ()
4443 "Enter the various lists of marked articles into the newsgroup info list."
4444 (let ((types gnus-article-mark-lists)
4445 (info (gnus-get-info gnus-newsgroup-name))
4446 (uncompressed '(score bookmark killed))
4447 type list newmarked symbol delta-marks)
4449 ;; Add all marks lists to the list of marks lists.
4450 (while (setq type (pop types))
4451 (setq list (symbol-value
4453 (intern (format "gnus-newsgroup-%s"
4457 ;; Get rid of the entries of the articles that have the
4459 (when (and (eq (cdr type) 'score)
4463 (prev (cons nil list))
4466 (if (or (not (consp (car arts)))
4467 (= (cdar arts) gnus-summary-default-score))
4468 (setcdr prev (cdr arts))
4470 (setq arts (cdr arts)))
4471 (setq list (cdr all)))))
4473 (unless (memq (cdr type) uncompressed)
4474 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
4476 (when (gnus-check-backend-function
4477 'request-set-mark gnus-newsgroup-name)
4478 ;; propagate flags to server, with the following exceptions:
4479 ;; uncompressed:s are not proper flags (they are cons cells)
4480 ;; cache is a internal gnus flag
4481 ;; download are local to one gnus installation (well)
4482 ;; unsend are for nndraft groups only
4483 ;; xxx: generality of this? this suits nnimap anyway
4484 (unless (memq (cdr type) (append '(cache download unsend)
4486 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
4487 (del (gnus-remove-from-range (gnus-copy-sequence old) list))
4488 (add (gnus-remove-from-range
4489 (gnus-copy-sequence list) old)))
4491 (push (list add 'add (list (cdr type))) delta-marks))
4493 (push (list del 'del (list (cdr type))) delta-marks)))))
4496 (push (cons (cdr type) list) newmarked)))
4499 (unless (gnus-check-group gnus-newsgroup-name)
4500 (error "Can't open server for %s" gnus-newsgroup-name))
4501 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
4503 ;; Enter these new marks into the info of the group.
4505 (setcar (nthcdr 3 info) newmarked)
4506 ;; Add the marks lists to the end of the info.
4508 (setcdr (nthcdr 2 info) (list newmarked))))
4510 ;; Cut off the end of the info if there's nothing else there.
4514 (when (nthcdr (decf i) info)
4515 (setcdr (nthcdr i info) nil)))))))
4517 (defun gnus-set-mode-line (where)
4518 "Set the mode line of the article or summary buffers.
4519 If WHERE is `summary', the summary mode line format will be used."
4520 ;; Is this mode line one we keep updated?
4521 (when (and (memq where gnus-updated-mode-lines)
4523 (intern (format "gnus-%s-mode-line-format-spec" where))))
4526 ;; We evaluate this in the summary buffer since these
4527 ;; variables are buffer-local to that buffer.
4528 (set-buffer gnus-summary-buffer)
4529 ;; We bind all these variables that are used in the `eval' form
4531 (let* ((mformat (symbol-value
4533 (format "gnus-%s-mode-line-format-spec" where))))
4534 (gnus-tmp-group-name (gnus-group-name-decode
4536 (gnus-group-name-charset
4538 gnus-newsgroup-name)))
4539 (gnus-tmp-article-number (or gnus-current-article 0))
4540 (gnus-tmp-unread gnus-newsgroup-unreads)
4541 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
4542 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
4543 (gnus-tmp-unread-and-unselected
4544 (cond ((and (zerop gnus-tmp-unread-and-unticked)
4545 (zerop gnus-tmp-unselected))
4547 ((zerop gnus-tmp-unselected)
4548 (format "{%d more}" gnus-tmp-unread-and-unticked))
4549 (t (format "{%d(+%d) more}"
4550 gnus-tmp-unread-and-unticked
4551 gnus-tmp-unselected))))
4553 (if (and gnus-current-headers
4554 (vectorp gnus-current-headers))
4555 (gnus-mode-string-quote
4556 (mail-header-subject gnus-current-headers))
4558 bufname-length max-len
4559 gnus-tmp-header);; passed as argument to any user-format-funcs
4560 (setq mode-string (eval mformat))
4561 (setq bufname-length (if (string-match "%b" mode-string)
4564 (if (eq where 'summary)
4566 (get-buffer gnus-article-buffer))))
4569 (setq max-len (max 4 (if gnus-mode-non-string-length
4571 gnus-mode-non-string-length
4573 (length mode-string))))
4574 ;; We might have to chop a bit of the string off...
4575 (when (> (length mode-string) max-len)
4577 (concat (truncate-string-to-width mode-string (- max-len 3))
4579 ;; Pad the mode string a bit.
4580 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
4581 ;; Update the mode line.
4582 (setq mode-line-buffer-identification
4583 (gnus-mode-line-buffer-identification (list mode-string)))
4584 (set-buffer-modified-p t))))
4586 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
4587 "Go through the HEADERS list and add all Xrefs to a hash table.
4588 The resulting hash table is returned, or nil if no Xrefs were found."
4589 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
4590 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
4591 (xref-hashtb (gnus-make-hashtable))
4592 start group entry number xrefs header)
4594 (setq header (pop headers))
4595 (when (and (setq xrefs (mail-header-xref header))
4596 (not (memq (setq number (mail-header-number header))
4599 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
4600 (setq start (match-end 0))
4601 (setq group (if prefix
4602 (concat prefix (substring xrefs (match-beginning 1)
4604 (substring xrefs (match-beginning 1) (match-end 1))))
4606 (string-to-int (substring xrefs (match-beginning 2)
4608 (if (setq entry (gnus-gethash group xref-hashtb))
4609 (setcdr entry (cons number (cdr entry)))
4610 (gnus-sethash group (cons number nil) xref-hashtb)))))
4611 (and start xref-hashtb)))
4613 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
4614 "Look through all the headers and mark the Xrefs as read."
4615 (let ((virtual (gnus-virtual-group-p from-newsgroup))
4616 name entry info xref-hashtb idlist method nth4)
4618 (set-buffer gnus-group-buffer)
4619 (when (setq xref-hashtb
4620 (gnus-create-xref-hashtb from-newsgroup headers unreads))
4623 (unless (string= from-newsgroup (setq name (symbol-name group)))
4624 (setq idlist (symbol-value group))
4625 ;; Dead groups are not updated.
4627 (setq entry (gnus-gethash name gnus-newsrc-hashtb)
4629 (when (stringp (setq nth4 (gnus-info-method info)))
4630 (setq nth4 (gnus-server-to-method nth4))))
4631 ;; Only do the xrefs if the group has the same
4632 ;; select method as the group we have just read.
4633 (or (gnus-methods-equal-p
4634 nth4 (gnus-find-method-for-group from-newsgroup))
4636 (equal nth4 (setq method (gnus-find-method-for-group
4638 (and (equal (car nth4) (car method))
4639 (equal (nth 1 nth4) (nth 1 method))))
4640 gnus-use-cross-reference
4641 (or (not (eq gnus-use-cross-reference t))
4643 ;; Only do cross-references on subscribed
4644 ;; groups, if that is what is wanted.
4645 (<= (gnus-info-level info) gnus-level-subscribed))
4646 (gnus-group-make-articles-read name idlist))))
4649 (defun gnus-compute-read-articles (group articles)
4650 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
4651 (info (nth 2 entry))
4652 (active (gnus-active group))
4655 ;; First peel off all invalid article numbers.
4657 (let ((ids articles)
4659 (while (setq id (pop ids))
4660 (when (and first (> id (cdr active)))
4661 ;; We'll end up in this situation in one particular
4662 ;; obscure situation. If you re-scan a group and get
4663 ;; a new article that is cross-posted to a different
4664 ;; group that has not been re-scanned, you might get
4665 ;; crossposted article that has a higher number than
4666 ;; Gnus believes possible. So we re-activate this
4667 ;; group as well. This might mean doing the
4668 ;; crossposting thingy will *increase* the number
4669 ;; of articles in some groups. Tsk, tsk.
4670 (setq active (or (gnus-activate-group group) active)))
4671 (when (or (> id (cdr active))
4672 (< id (car active)))
4673 (setq articles (delq id articles))))))
4674 ;; If the read list is nil, we init it.
4676 (null (gnus-info-read info))
4678 (setq ninfo (cons 1 (1- (car active))))
4679 (setq ninfo (gnus-info-read info)))
4680 ;; Then we add the read articles to the range.
4682 ninfo (setq articles (sort articles '<))))))
4684 (defun gnus-group-make-articles-read (group articles)
4685 "Update the info of GROUP to say that ARTICLES are read."
4687 (entry (gnus-gethash group gnus-newsrc-hashtb))
4688 (info (nth 2 entry))
4689 (active (gnus-active group))
4692 (setq range (gnus-compute-read-articles group articles))
4694 (set-buffer gnus-group-buffer)
4697 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
4698 (gnus-info-set-read ',info ',(gnus-info-read info))
4699 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
4700 (gnus-group-update-group ,group t))))
4701 ;; Add the read articles to the range.
4702 (gnus-info-set-read info range)
4703 ;; Then we have to re-compute how many unread
4704 ;; articles there are in this group.
4708 (setq num (- (1+ (cdr active)) (car active))))
4709 ((not (listp (cdr range)))
4710 (setq num (- (cdr active) (- (1+ (cdr range))
4714 (if (numberp (car range))
4716 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
4717 (setq range (cdr range)))
4718 (setq num (- (cdr active) num))))
4719 ;; Update the number of unread articles.
4721 ;; Update the group buffer.
4722 (gnus-group-update-group group t)))))
4724 (defvar gnus-newsgroup-none-id 0)
4726 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
4727 (let ((cur nntp-server-buffer)
4730 (save-excursion (set-buffer gnus-summary-buffer)
4731 gnus-newsgroup-dependencies)))
4733 (mail-parse-charset gnus-newsgroup-charset)
4734 (mail-parse-ignored-charsets
4735 (save-excursion (condition-case nil
4736 (set-buffer gnus-summary-buffer)
4738 gnus-newsgroup-ignored-charsets)))
4740 (set-buffer nntp-server-buffer)
4741 ;; Translate all TAB characters into SPACE characters.
4742 (subst-char-in-region (point-min) (point-max) ?\t ? t)
4743 (subst-char-in-region (point-min) (point-max) ?\r ? t)
4744 (gnus-run-hooks 'gnus-parse-headers-hook)
4745 (let ((case-fold-search t)
4746 in-reply-to header p lines chars)
4747 (goto-char (point-min))
4748 ;; Search to the beginning of the next header. Error messages
4749 ;; do not begin with 2 or 3.
4750 (while (re-search-forward "^[23][0-9]+ " nil t)
4753 ;; This implementation of this function, with nine
4754 ;; search-forwards instead of the one re-search-forward and
4755 ;; a case (which basically was the old function) is actually
4756 ;; about twice as fast, even though it looks messier. You
4757 ;; can't have everything, I guess. Speed and elegance
4758 ;; doesn't always go hand in hand.
4767 (narrow-to-region (point)
4768 (or (and (search-forward "\n.\n" nil t)
4774 (if (search-forward "\nsubject: " nil t)
4775 (funcall gnus-decode-encoded-word-function
4776 (nnheader-header-value))
4781 (if (or (search-forward "\nfrom: " nil t)
4782 (search-forward "\nfrom:" nil t))
4783 (funcall gnus-decode-encoded-word-function
4784 (nnheader-header-value))
4789 (if (search-forward "\ndate: " nil t)
4790 (nnheader-header-value) ""))
4794 (setq id (if (re-search-forward
4795 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
4796 ;; We do it this way to make sure the Message-ID
4797 ;; is (somewhat) syntactically valid.
4798 (buffer-substring (match-beginning 1)
4800 ;; If there was no message-id, we just fake one
4801 ;; to make subsequent routines simpler.
4802 (nnheader-generate-fake-message-id))))
4806 (if (search-forward "\nreferences: " nil t)
4810 (nnheader-header-value)
4815 (search-backward ">" end t)
4818 (search-backward "<" end t)
4820 ;; Get the references from the in-reply-to header if there
4821 ;; were no references and the in-reply-to header looks
4823 (if (and (search-forward "\nin-reply-to: " nil t)
4824 (setq in-reply-to (nnheader-header-value))
4825 (string-match "<[^>]+>" in-reply-to))
4827 (setq ref (substring in-reply-to (match-beginning 0)
4829 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
4830 (setq ref2 (substring in-reply-to (match-beginning 0)
4832 (when (> (length ref2) (length ref))
4839 (if (search-forward "\nchars: " nil t)
4840 (if (numberp (setq chars (ignore-errors (read cur))))
4846 (if (search-forward "\nlines: " nil t)
4847 (if (numberp (setq lines (ignore-errors (read cur))))
4853 (and (search-forward "\nxref: " nil t)
4854 (nnheader-header-value)))
4856 (when gnus-extra-headers
4857 (let ((extra gnus-extra-headers)
4861 (when (search-forward
4862 (concat "\n" (symbol-name (car extra)) ": ") nil t)
4863 (push (cons (car extra) (nnheader-header-value))
4867 (when (equal id ref)
4870 (when gnus-alter-header-function
4871 (funcall gnus-alter-header-function header)
4872 (setq id (mail-header-id header)
4873 ref (gnus-parent-id (mail-header-references header))))
4876 (gnus-dependencies-add-header
4877 header dependencies force-new))
4878 (push header headers))
4879 (goto-char (point-max))
4881 (nreverse headers)))))
4883 ;; Goes through the xover lines and returns a list of vectors
4884 (defun gnus-get-newsgroup-headers-xover (sequence &optional
4885 force-new dependencies
4886 group also-fetch-heads)
4887 "Parse the news overview data in the server buffer.
4888 Return a list of headers that match SEQUENCE (see
4889 `nntp-retrieve-headers')."
4890 ;; Get the Xref when the users reads the articles since most/some
4891 ;; NNTP servers do not include Xrefs when using XOVER.
4892 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
4893 (let ((mail-parse-charset gnus-newsgroup-charset)
4894 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
4895 (cur nntp-server-buffer)
4896 (dependencies (or dependencies gnus-newsgroup-dependencies))
4897 number headers header)
4899 (set-buffer nntp-server-buffer)
4900 (subst-char-in-region (point-min) (point-max) ?\r ? t)
4901 ;; Allow the user to mangle the headers before parsing them.
4902 (gnus-run-hooks 'gnus-parse-headers-hook)
4903 (goto-char (point-min))
4906 (while (and sequence (not (eobp)))
4907 (setq number (read cur))
4908 (while (and sequence
4909 (< (car sequence) number))
4910 (setq sequence (cdr sequence)))
4912 (eq number (car sequence))
4914 (setq sequence (cdr sequence))
4915 (setq header (inline
4916 (gnus-nov-parse-line
4917 number dependencies force-new))))
4918 (push header headers))
4921 (gnus-error 4 "Strange nov line (%d)"
4922 (count-lines (point-min) (point)))))
4924 ;; A common bug in inn is that if you have posted an article and
4925 ;; then retrieves the active file, it will answer correctly --
4926 ;; the new article is included. However, a NOV entry for the
4927 ;; article may not have been generated yet, so this may fail.
4928 ;; We work around this problem by retrieving the last few
4929 ;; headers using HEAD.
4930 (if (or (not also-fetch-heads)
4932 ;; We (probably) got all the headers.
4934 (let ((gnus-nov-is-evil t))
4937 (when (gnus-retrieve-headers sequence group)
4938 (gnus-get-newsgroup-headers))))))))
4940 (defun gnus-article-get-xrefs ()
4941 "Fill in the Xref value in `gnus-current-headers', if necessary.
4942 This is meant to be called in `gnus-article-internal-prepare-hook'."
4943 (let ((headers (save-excursion (set-buffer gnus-summary-buffer)
4944 gnus-current-headers)))
4945 (or (not gnus-use-cross-reference)
4947 (and (mail-header-xref headers)
4948 (not (string= (mail-header-xref headers) "")))
4949 (let ((case-fold-search t)
4952 (nnheader-narrow-to-headers)
4953 (goto-char (point-min))
4954 (when (or (and (not (eobp))
4955 (eq (downcase (char-after)) ?x)
4956 (looking-at "Xref:"))
4957 (search-forward "\nXref:" nil t))
4958 (goto-char (1+ (match-end 0)))
4959 (setq xref (buffer-substring (point)
4960 (progn (end-of-line) (point))))
4961 (mail-header-set-xref headers xref)))))))
4963 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
4964 "Find article ID and insert the summary line for that article.
4965 OLD-HEADER can either be a header or a line number to insert
4966 the subject line on."
4967 (let* ((line (and (numberp old-header) old-header))
4968 (old-header (and (vectorp old-header) old-header))
4969 (header (cond ((and old-header use-old-header)
4972 (gnus-number-to-header id))
4973 (gnus-number-to-header id))
4975 (gnus-read-header id))))
4976 (number (and (numberp id) id))
4979 ;; Rebuild the thread that this article is part of and go to the
4980 ;; article we have fetched.
4981 (when (and (not gnus-show-threads)
4984 (setq d (gnus-data-find (mail-header-number old-header))))
4985 (goto-char (gnus-data-pos d))
4988 (- (gnus-point-at-bol)
4990 (1+ (gnus-point-at-eol))
4991 (gnus-delete-line))))))
4993 (mail-header-set-number header (mail-header-number old-header)))
4994 (setq gnus-newsgroup-sparse
4995 (delq (setq number (mail-header-number header))
4996 gnus-newsgroup-sparse))
4997 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
4998 (push number gnus-newsgroup-limit)
4999 (gnus-rebuild-thread (mail-header-id header) line)
5000 (gnus-summary-goto-subject number nil t))
5001 (when (and (numberp number)
5003 ;; We have to update the boundaries even if we can't fetch the
5004 ;; article if ID is a number -- so that the next `P' or `N'
5005 ;; command will fetch the previous (or next) article even
5006 ;; if the one we tried to fetch this time has been canceled.
5007 (when (> number gnus-newsgroup-end)
5008 (setq gnus-newsgroup-end number))
5009 (when (< number gnus-newsgroup-begin)
5010 (setq gnus-newsgroup-begin number))
5011 (setq gnus-newsgroup-unselected
5012 (delq number gnus-newsgroup-unselected)))
5013 ;; Report back a success?
5014 (and header (mail-header-number header))))
5016 ;;; Process/prefix in the summary buffer
5018 (defun gnus-summary-work-articles (n)
5019 "Return a list of articles to be worked upon.
5020 The prefix argument, the list of process marked articles, and the
5021 current article will be taken into consideration."
5023 (set-buffer gnus-summary-buffer)
5026 ;; A numerical prefix has been given.
5027 (setq n (prefix-numeric-value n))
5028 (let ((backward (< n 0))
5029 (n (abs (prefix-numeric-value n)))
5034 (push (setq article (gnus-summary-article-number))
5037 (gnus-summary-find-prev nil article)
5038 (gnus-summary-find-next nil article)))
5040 (nreverse articles)))
5041 ((and (gnus-region-active-p) (mark))
5042 (message "region active")
5043 ;; Work on the region between point and mark.
5044 (let ((max (max (point) (mark)))
5047 (goto-char (min (min (point) (mark))))
5050 (push (setq article (gnus-summary-article-number)) articles)
5051 (gnus-summary-find-next nil article)
5053 (nreverse articles))))
5054 (gnus-newsgroup-processable
5055 ;; There are process-marked articles present.
5056 ;; Save current state.
5057 (gnus-summary-save-process-mark)
5059 (reverse gnus-newsgroup-processable))
5061 ;; Just return the current article.
5062 (list (gnus-summary-article-number))))))
5064 (defmacro gnus-summary-iterate (arg &rest forms)
5065 "Iterate over the process/prefixed articles and do FORMS.
5066 ARG is the interactive prefix given to the command. FORMS will be
5067 executed with point over the summary line of the articles."
5068 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
5069 `(let ((,articles (gnus-summary-work-articles ,arg)))
5071 (gnus-summary-goto-subject (car ,articles))
5075 (put 'gnus-summary-iterate 'lisp-indent-function 1)
5076 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
5078 (defun gnus-summary-save-process-mark ()
5079 "Push the current set of process marked articles on the stack."
5081 (push (copy-sequence gnus-newsgroup-processable)
5082 gnus-newsgroup-process-stack))
5084 (defun gnus-summary-kill-process-mark ()
5085 "Push the current set of process marked articles on the stack and unmark."
5087 (gnus-summary-save-process-mark)
5088 (gnus-summary-unmark-all-processable))
5090 (defun gnus-summary-yank-process-mark ()
5091 "Pop the last process mark state off the stack and restore it."
5093 (unless gnus-newsgroup-process-stack
5094 (error "Empty mark stack"))
5095 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
5097 (defun gnus-summary-process-mark-set (set)
5098 "Make SET into the current process marked articles."
5099 (gnus-summary-unmark-all-processable)
5101 (gnus-summary-set-process-mark (pop set))))
5103 ;;; Searching and stuff
5105 (defun gnus-summary-search-group (&optional backward use-level)
5106 "Search for next unread newsgroup.
5107 If optional argument BACKWARD is non-nil, search backward instead."
5109 (set-buffer gnus-group-buffer)
5110 (when (gnus-group-search-forward
5111 backward nil (if use-level (gnus-group-group-level) nil))
5112 (gnus-group-group-name))))
5114 (defun gnus-summary-best-group (&optional exclude-group)
5115 "Find the name of the best unread group.
5116 If EXCLUDE-GROUP, do not go to this group."
5118 (set-buffer gnus-group-buffer)
5120 (gnus-group-best-unread-group exclude-group))))
5122 (defun gnus-summary-find-next (&optional unread article backward undownloaded)
5123 (if backward (gnus-summary-find-prev)
5124 (let* ((dummy (gnus-summary-article-intangible-p))
5125 (article (or article (gnus-summary-article-number)))
5126 (arts (gnus-data-find-list article))
5128 (when (and (not dummy)
5129 (or (not gnus-summary-check-current)
5131 (not (gnus-data-unread-p (car arts)))))
5132 (setq arts (cdr arts)))
5137 (when (or (and undownloaded
5138 (eq gnus-undownloaded-mark
5139 (gnus-data-mark (car arts))))
5140 (gnus-data-unread-p (car arts)))
5141 (setq result (car arts)
5143 (setq arts (cdr arts)))
5146 (goto-char (gnus-data-pos result))
5147 (gnus-data-number result)))))
5149 (defun gnus-summary-find-prev (&optional unread article)
5150 (let* ((eobp (eobp))
5151 (article (or article (gnus-summary-article-number)))
5152 (arts (gnus-data-find-list article (gnus-data-list 'rev)))
5154 (when (and (not eobp)
5155 (or (not gnus-summary-check-current)
5157 (not (gnus-data-unread-p (car arts)))))
5158 (setq arts (cdr arts)))
5163 (when (gnus-data-unread-p (car arts))
5164 (setq result (car arts)
5166 (setq arts (cdr arts)))
5169 (goto-char (gnus-data-pos result))
5170 (gnus-data-number result))))
5172 (defun gnus-summary-find-subject (subject &optional unread backward article)
5173 (let* ((simp-subject (gnus-simplify-subject-fully subject))
5174 (article (or article (gnus-summary-article-number)))
5175 (articles (gnus-data-list backward))
5176 (arts (gnus-data-find-list article articles))
5178 (when (or (not gnus-summary-check-current)
5180 (not (gnus-data-unread-p (car arts))))
5181 (setq arts (cdr arts)))
5183 (and (or (not unread)
5184 (gnus-data-unread-p (car arts)))
5185 (vectorp (gnus-data-header (car arts)))
5187 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
5188 (setq result (car arts)
5190 (setq arts (cdr arts)))
5192 (goto-char (gnus-data-pos result))
5193 (gnus-data-number result))))
5195 (defun gnus-summary-search-forward (&optional unread subject backward)
5196 "Search forward for an article.
5197 If UNREAD, look for unread articles. If SUBJECT, look for
5198 articles with that subject. If BACKWARD, search backward instead."
5199 (cond (subject (gnus-summary-find-subject subject unread backward))
5200 (backward (gnus-summary-find-prev unread))
5201 (t (gnus-summary-find-next unread))))
5203 (defun gnus-recenter (&optional n)
5204 "Center point in window and redisplay frame.
5205 Also do horizontal recentering."
5207 (when (and gnus-auto-center-summary
5208 (not (eq gnus-auto-center-summary 'vertical)))
5209 (gnus-horizontal-recenter))
5212 (defun gnus-summary-recenter ()
5213 "Center point in the summary window.
5214 If `gnus-auto-center-summary' is nil, or the article buffer isn't
5215 displayed, no centering will be performed."
5216 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
5217 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
5219 (let* ((top (cond ((< (window-height) 4) 0)
5220 ((< (window-height) 7) 1)
5221 (t (if (numberp gnus-auto-center-summary)
5222 gnus-auto-center-summary
5224 (height (1- (window-height)))
5225 (bottom (save-excursion (goto-char (point-max))
5226 (forward-line (- height))
5228 (window (get-buffer-window (current-buffer))))
5229 ;; The user has to want it.
5230 (when gnus-auto-center-summary
5231 (when (get-buffer-window gnus-article-buffer)
5232 ;; Only do recentering when the article buffer is displayed,
5233 ;; Set the window start to either `bottom', which is the biggest
5234 ;; possible valid number, or the second line from the top,
5235 ;; whichever is the least.
5237 window (min bottom (save-excursion
5238 (forward-line (- top)) (point)))
5240 ;; Do horizontal recentering while we're at it.
5241 (when (and (get-buffer-window (current-buffer) t)
5242 (not (eq gnus-auto-center-summary 'vertical)))
5243 (let ((selected (selected-window)))
5244 (select-window (get-buffer-window (current-buffer) t))
5245 (gnus-summary-position-point)
5246 (gnus-horizontal-recenter)
5247 (select-window selected))))))
5249 (defun gnus-summary-jump-to-group (newsgroup)
5250 "Move point to NEWSGROUP in group mode buffer."
5251 ;; Keep update point of group mode buffer if visible.
5252 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
5253 (save-window-excursion
5254 ;; Take care of tree window mode.
5255 (when (get-buffer-window gnus-group-buffer)
5256 (pop-to-buffer gnus-group-buffer))
5257 (gnus-group-jump-to-group newsgroup))
5259 ;; Take care of tree window mode.
5260 (if (get-buffer-window gnus-group-buffer)
5261 (pop-to-buffer gnus-group-buffer)
5262 (set-buffer gnus-group-buffer))
5263 (gnus-group-jump-to-group newsgroup))))
5265 ;; This function returns a list of article numbers based on the
5266 ;; difference between the ranges of read articles in this group and
5267 ;; the range of active articles.
5268 (defun gnus-list-of-unread-articles (group)
5269 (let* ((read (gnus-info-read (gnus-get-info group)))
5270 (active (or (gnus-active group) (gnus-activate-group group)))
5273 ;; If none are read, then all are unread.
5275 (setq first (car active))
5276 ;; If the range of read articles is a single range, then the
5277 ;; first unread article is the article after the last read
5278 ;; article. Sounds logical, doesn't it?
5279 (if (and (not (listp (cdr read)))
5280 (or (< (car read) (car active))
5281 (progn (setq read (list read))
5283 (setq first (max (car active) (1+ (cdr read))))
5284 ;; `read' is a list of ranges.
5285 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
5288 (setq first (car active)))
5291 (while (< first nlast)
5293 (setq first (1+ first))))
5294 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
5295 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
5296 (setq read (cdr read)))))
5297 ;; And add the last unread articles.
5298 (while (<= first last)
5300 (setq first (1+ first)))
5301 ;; Return the list of unread articles.
5302 (delq 0 (nreverse unread))))
5304 (defun gnus-list-of-read-articles (group)
5305 "Return a list of unread, unticked and non-dormant articles."
5306 (let* ((info (gnus-get-info group))
5307 (marked (gnus-info-marks info))
5308 (active (gnus-active group)))
5310 (gnus-set-difference
5311 (gnus-sorted-complement
5312 (gnus-uncompress-range active)
5313 (gnus-list-of-unread-articles group))
5315 (gnus-uncompress-range (cdr (assq 'dormant marked)))
5316 (gnus-uncompress-range (cdr (assq 'tick marked))))))))
5318 ;; Various summary commands
5320 (defun gnus-summary-select-article-buffer ()
5321 "Reconfigure windows to show article buffer."
5323 (if (not (gnus-buffer-live-p gnus-article-buffer))
5324 (error "There is no article buffer for this summary buffer")
5325 (gnus-configure-windows 'article)
5326 (select-window (get-buffer-window gnus-article-buffer))))
5328 (defun gnus-summary-universal-argument (arg)
5329 "Perform any operation on all articles that are process/prefixed."
5331 (let ((articles (gnus-summary-work-articles arg))
5338 (substitute-command-keys
5339 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
5341 (gnus-error 1 "Undefined key")
5344 (gnus-summary-goto-subject (setq article (pop articles)))
5345 (let (gnus-newsgroup-processable)
5346 (command-execute func))
5347 (gnus-summary-remove-process-mark article)))))
5348 (gnus-summary-position-point))
5350 (defun gnus-summary-toggle-truncation (&optional arg)
5351 "Toggle truncation of summary lines.
5352 With arg, turn line truncation on iff arg is positive."
5354 (setq truncate-lines
5355 (if (null arg) (not truncate-lines)
5356 (> (prefix-numeric-value arg) 0)))
5359 (defun gnus-summary-reselect-current-group (&optional all rescan)
5360 "Exit and then reselect the current newsgroup.
5361 The prefix argument ALL means to select all articles."
5363 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
5364 (error "Ephemeral groups can't be reselected"))
5365 (let ((current-subject (gnus-summary-article-number))
5366 (group gnus-newsgroup-name))
5367 (setq gnus-newsgroup-begin nil)
5369 ;; We have to adjust the point of group mode buffer because
5370 ;; point was moved to the next unread newsgroup by exiting.
5371 (gnus-summary-jump-to-group group)
5374 (gnus-group-get-new-news-this-group 1)))
5375 (gnus-group-read-group all t)
5376 (gnus-summary-goto-subject current-subject nil t)))
5378 (defun gnus-summary-rescan-group (&optional all)
5379 "Exit the newsgroup, ask for new articles, and select the newsgroup."
5381 (gnus-summary-reselect-current-group all t))
5383 (defun gnus-summary-update-info (&optional non-destructive)
5385 (let ((group gnus-newsgroup-name))
5387 (when gnus-newsgroup-kill-headers
5388 (setq gnus-newsgroup-killed
5389 (gnus-compress-sequence
5391 (gnus-set-sorted-intersection
5392 (gnus-uncompress-range gnus-newsgroup-killed)
5393 (setq gnus-newsgroup-unselected
5394 (sort gnus-newsgroup-unselected '<)))
5395 (setq gnus-newsgroup-unreads
5396 (sort gnus-newsgroup-unreads '<)))
5398 (unless (listp (cdr gnus-newsgroup-killed))
5399 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
5400 (let ((headers gnus-newsgroup-headers))
5401 ;; Set the new ranges of read articles.
5403 (set-buffer gnus-group-buffer)
5404 (gnus-undo-force-boundary))
5405 (gnus-update-read-articles
5406 group (append gnus-newsgroup-unreads gnus-newsgroup-unselected))
5407 ;; Set the current article marks.
5408 (let ((gnus-newsgroup-scored
5409 (if (and (not gnus-save-score)
5410 (not non-destructive))
5412 gnus-newsgroup-scored)))
5414 (gnus-update-marks)))
5415 ;; Do the cross-ref thing.
5416 (when gnus-use-cross-reference
5417 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
5418 ;; Do not switch windows but change the buffer to work.
5419 (set-buffer gnus-group-buffer)
5420 (unless (gnus-ephemeral-group-p group)
5421 (gnus-group-update-group group)))))))
5423 (defun gnus-summary-save-newsrc (&optional force)
5424 "Save the current number of read/marked articles in the dribble buffer.
5425 The dribble buffer will then be saved.
5426 If FORCE (the prefix), also save the .newsrc file(s)."
5428 (gnus-summary-update-info t)
5430 (gnus-save-newsrc-file)
5431 (gnus-dribble-save)))
5433 (defun gnus-summary-exit (&optional temporary)
5434 "Exit reading current newsgroup, and then return to group selection mode.
5435 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
5437 (gnus-set-global-variables)
5438 (when (gnus-buffer-live-p gnus-article-buffer)
5440 (set-buffer gnus-article-buffer)
5441 (mm-destroy-parts gnus-article-mime-handles)
5442 ;; Set it to nil for safety reason.
5443 (setq gnus-article-mime-handle-alist nil)
5444 (setq gnus-article-mime-handles nil)))
5445 (gnus-kill-save-kill-buffer)
5446 (gnus-async-halt-prefetch)
5447 (let* ((group gnus-newsgroup-name)
5448 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
5451 (buf (current-buffer)))
5453 ;; Do adaptive scoring, and possibly save score files.
5454 (when gnus-newsgroup-adaptive
5455 (gnus-score-adaptive))
5456 (when gnus-use-scoring
5458 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
5459 ;; If we have several article buffers, we kill them at exit.
5460 (unless gnus-single-article-buffer
5461 (gnus-kill-buffer gnus-original-article-buffer)
5462 (setq gnus-article-current nil))
5463 (when gnus-use-cache
5464 (gnus-cache-possibly-remove-articles)
5465 (gnus-cache-save-buffers))
5466 (gnus-async-prefetch-remove-group group)
5467 (when gnus-suppress-duplicates
5468 (gnus-dup-enter-articles))
5469 (when gnus-use-trees
5470 (gnus-tree-close group))
5471 (when gnus-use-cache
5472 (gnus-cache-write-active))
5473 ;; Remove entries for this group.
5474 (nnmail-purge-split-history (gnus-group-real-name group))
5475 ;; Make all changes in this group permanent.
5477 (gnus-run-hooks 'gnus-exit-group-hook)
5478 (gnus-summary-update-info))
5479 (gnus-close-group group)
5480 ;; Make sure where we were, and go to next newsgroup.
5481 (set-buffer gnus-group-buffer)
5483 (gnus-group-jump-to-group group))
5484 (gnus-run-hooks 'gnus-summary-exit-hook)
5485 (unless (or quit-config
5486 ;; If this group has disappeared from the summary
5487 ;; buffer, don't skip forwards.
5488 (not (string= group (gnus-group-group-name))))
5489 (gnus-group-next-unread-group 1))
5490 (setq group-point (point))
5493 ;; If we have several article buffers, we kill them at exit.
5494 (unless gnus-single-article-buffer
5495 (gnus-kill-buffer gnus-article-buffer)
5496 (gnus-kill-buffer gnus-original-article-buffer)
5497 (setq gnus-article-current nil))
5499 (if (not gnus-kill-summary-on-exit)
5500 (gnus-deaden-summary)
5501 ;; We set all buffer-local variables to nil. It is unclear why
5502 ;; this is needed, but if we don't, buffer-local variables are
5503 ;; not garbage-collected, it seems. This would the lead to en
5504 ;; ever-growing Emacs.
5505 (gnus-summary-clear-local-variables)
5506 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
5507 (gnus-summary-clear-local-variables))
5508 (when (get-buffer gnus-article-buffer)
5509 (bury-buffer gnus-article-buffer))
5510 ;; We clear the global counterparts of the buffer-local
5511 ;; variables as well, just to be on the safe side.
5512 (set-buffer gnus-group-buffer)
5513 (gnus-summary-clear-local-variables)
5514 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
5515 (gnus-summary-clear-local-variables))
5516 ;; Return to group mode buffer.
5517 (when (eq mode 'gnus-summary-mode)
5518 (gnus-kill-buffer buf)))
5519 (setq gnus-current-select-method gnus-select-method)
5520 (pop-to-buffer gnus-group-buffer)
5521 (if (not quit-config)
5523 (goto-char group-point)
5524 (gnus-configure-windows 'group 'force))
5525 (gnus-handle-ephemeral-exit quit-config))
5526 ;; Clear the current group name.
5528 (setq gnus-newsgroup-name nil)))))
5530 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
5531 (defun gnus-summary-exit-no-update (&optional no-questions)
5532 "Quit reading current newsgroup without updating read article info."
5534 (let* ((group gnus-newsgroup-name)
5535 (quit-config (gnus-group-quit-config group)))
5536 (when (or no-questions
5538 (gnus-y-or-n-p "Discard changes to this group and exit? "))
5539 (gnus-async-halt-prefetch)
5541 (delq 'gnus-summary-expire-articles
5542 (copy-sequence gnus-summary-prepare-exit-hook)))
5543 (when (gnus-buffer-live-p gnus-article-buffer)
5545 (set-buffer gnus-article-buffer)
5546 (mm-destroy-parts gnus-article-mime-handles)
5547 ;; Set it to nil for safety reason.
5548 (setq gnus-article-mime-handle-alist nil)
5549 (setq gnus-article-mime-handles nil)))
5550 ;; If we have several article buffers, we kill them at exit.
5551 (unless gnus-single-article-buffer
5552 (gnus-kill-buffer gnus-article-buffer)
5553 (gnus-kill-buffer gnus-original-article-buffer)
5554 (setq gnus-article-current nil))
5555 (if (not gnus-kill-summary-on-exit)
5556 (gnus-deaden-summary)
5557 (gnus-close-group group)
5558 (gnus-summary-clear-local-variables)
5559 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
5560 (gnus-summary-clear-local-variables))
5561 (set-buffer gnus-group-buffer)
5562 (gnus-summary-clear-local-variables)
5563 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
5564 (gnus-summary-clear-local-variables))
5565 (when (get-buffer gnus-summary-buffer)
5566 (kill-buffer gnus-summary-buffer)))
5567 (unless gnus-single-article-buffer
5568 (setq gnus-article-current nil))
5569 (when gnus-use-trees
5570 (gnus-tree-close group))
5571 (gnus-async-prefetch-remove-group group)
5572 (when (get-buffer gnus-article-buffer)
5573 (bury-buffer gnus-article-buffer))
5574 ;; Return to the group buffer.
5575 (gnus-configure-windows 'group 'force)
5576 ;; Clear the current group name.
5577 (setq gnus-newsgroup-name nil)
5578 (when (equal (gnus-group-group-name) group)
5579 (gnus-group-next-unread-group 1))
5581 (gnus-handle-ephemeral-exit quit-config)))))
5583 (defun gnus-handle-ephemeral-exit (quit-config)
5584 "Handle movement when leaving an ephemeral group.
5585 The state which existed when entering the ephemeral is reset."
5586 (if (not (buffer-name (car quit-config)))
5587 (gnus-configure-windows 'group 'force)
5588 (set-buffer (car quit-config))
5589 (cond ((eq major-mode 'gnus-summary-mode)
5590 (gnus-set-global-variables))
5591 ((eq major-mode 'gnus-article-mode)
5593 ;; The `gnus-summary-buffer' variable may point
5594 ;; to the old summary buffer when using a single
5596 (unless (gnus-buffer-live-p gnus-summary-buffer)
5597 (set-buffer gnus-group-buffer))
5598 (set-buffer gnus-summary-buffer)
5599 (gnus-set-global-variables))))
5600 (if (or (eq (cdr quit-config) 'article)
5601 (eq (cdr quit-config) 'pick))
5603 ;; The current article may be from the ephemeral group
5604 ;; thus it is best that we reload this article
5605 (gnus-summary-show-article)
5606 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
5607 (gnus-configure-windows 'pick 'force)
5608 (gnus-configure-windows (cdr quit-config) 'force)))
5609 (gnus-configure-windows (cdr quit-config) 'force))
5610 (when (eq major-mode 'gnus-summary-mode)
5611 (gnus-summary-next-subject 1 nil t)
5612 (gnus-summary-recenter)
5613 (gnus-summary-position-point))))
5617 (defvar gnus-dead-summary-mode-map nil)
5619 (unless gnus-dead-summary-mode-map
5620 (setq gnus-dead-summary-mode-map (make-keymap))
5621 (suppress-keymap gnus-dead-summary-mode-map)
5622 (substitute-key-definition
5623 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
5624 (let ((keys '("\C-d" "\r" "\177" [delete])))
5626 (define-key gnus-dead-summary-mode-map
5627 (pop keys) 'gnus-summary-wake-up-the-dead))))
5629 (defvar gnus-dead-summary-mode nil
5630 "Minor mode for Gnus summary buffers.")
5632 (defun gnus-dead-summary-mode (&optional arg)
5633 "Minor mode for Gnus summary buffers."
5635 (when (eq major-mode 'gnus-summary-mode)
5636 (make-local-variable 'gnus-dead-summary-mode)
5637 (setq gnus-dead-summary-mode
5638 (if (null arg) (not gnus-dead-summary-mode)
5639 (> (prefix-numeric-value arg) 0)))
5640 (when gnus-dead-summary-mode
5641 (gnus-add-minor-mode
5642 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
5644 (defun gnus-deaden-summary ()
5645 "Make the current summary buffer into a dead summary buffer."
5646 ;; Kill any previous dead summary buffer.
5647 (when (and gnus-dead-summary
5648 (buffer-name gnus-dead-summary))
5650 (set-buffer gnus-dead-summary)
5651 (when gnus-dead-summary-mode
5652 (kill-buffer (current-buffer)))))
5653 ;; Make this the current dead summary.
5654 (setq gnus-dead-summary (current-buffer))
5655 (gnus-dead-summary-mode 1)
5656 (let ((name (buffer-name)))
5657 (when (string-match "Summary" name)
5659 (concat (substring name 0 (match-beginning 0)) "Dead "
5660 (substring name (match-beginning 0)))
5664 (defun gnus-kill-or-deaden-summary (buffer)
5665 "Kill or deaden the summary BUFFER."
5667 (when (and (buffer-name buffer)
5668 (not gnus-single-article-buffer))
5671 (gnus-kill-buffer gnus-article-buffer)
5672 (gnus-kill-buffer gnus-original-article-buffer)))
5673 (cond (gnus-kill-summary-on-exit
5674 (when (and gnus-use-trees
5675 (gnus-buffer-exists-p buffer))
5678 (gnus-tree-close gnus-newsgroup-name)))
5679 (gnus-kill-buffer buffer))
5680 ((gnus-buffer-exists-p buffer)
5683 (gnus-deaden-summary))))))
5685 (defun gnus-summary-wake-up-the-dead (&rest args)
5686 "Wake up the dead summary buffer."
5688 (gnus-dead-summary-mode -1)
5689 (let ((name (buffer-name)))
5690 (when (string-match "Dead " name)
5692 (concat (substring name 0 (match-beginning 0))
5693 (substring name (match-end 0)))
5695 (gnus-message 3 "This dead summary is now alive again"))
5697 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
5698 (defun gnus-summary-fetch-faq (&optional faq-dir)
5699 "Fetch the FAQ for the current group.
5700 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
5704 (when current-prefix-arg
5706 "Faq dir: " (and (listp gnus-group-faq-directory)
5707 (mapcar (lambda (file) (list file))
5708 gnus-group-faq-directory))))))
5709 (let (gnus-faq-buffer)
5710 (when (setq gnus-faq-buffer
5711 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
5712 (gnus-configure-windows 'summary-faq))))
5714 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
5715 (defun gnus-summary-describe-group (&optional force)
5716 "Describe the current newsgroup."
5718 (gnus-group-describe-group force gnus-newsgroup-name))
5720 (defun gnus-summary-describe-briefly ()
5721 "Describe summary mode commands briefly."
5723 (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")))
5725 ;; Walking around group mode buffer from summary mode.
5727 (defun gnus-summary-next-group (&optional no-article target-group backward)
5728 "Exit current newsgroup and then select next unread newsgroup.
5729 If prefix argument NO-ARTICLE is non-nil, no article is selected
5730 initially. If NEXT-GROUP, go to this group. If BACKWARD, go to
5731 previous group instead."
5733 ;; Stop pre-fetching.
5734 (gnus-async-halt-prefetch)
5735 (let ((current-group gnus-newsgroup-name)
5736 (current-buffer (current-buffer))
5738 ;; First we semi-exit this group to update Xrefs and all variables.
5739 ;; We can't do a real exit, because the window conf must remain
5740 ;; the same in case the user is prompted for info, and we don't
5741 ;; want the window conf to change before that...
5742 (gnus-summary-exit t)
5743 (while (not entered)
5744 ;; Then we find what group we are supposed to enter.
5745 (set-buffer gnus-group-buffer)
5746 (gnus-group-jump-to-group current-group)
5749 (if (eq gnus-keep-same-level 'best)
5750 (gnus-summary-best-group gnus-newsgroup-name)
5751 (gnus-summary-search-group backward gnus-keep-same-level))))
5752 (if (not target-group)
5753 ;; There are no further groups, so we return to the group
5756 (gnus-message 5 "Returning to the group buffer")
5758 (when (gnus-buffer-live-p current-buffer)
5759 (set-buffer current-buffer)
5760 (gnus-summary-exit))
5761 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
5762 ;; We try to enter the target group.
5763 (gnus-group-jump-to-group target-group)
5764 (let ((unreads (gnus-group-group-unread)))
5765 (if (and (or (eq t unreads)
5766 (and unreads (not (zerop unreads))))
5767 (gnus-summary-read-group
5768 target-group nil no-article
5769 (and (buffer-name current-buffer) current-buffer)
5772 (setq current-group target-group
5773 target-group nil)))))))
5775 (defun gnus-summary-prev-group (&optional no-article)
5776 "Exit current newsgroup and then select previous unread newsgroup.
5777 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
5779 (gnus-summary-next-group no-article nil t))
5781 ;; Walking around summary lines.
5783 (defun gnus-summary-first-subject (&optional unread undownloaded)
5784 "Go to the first unread subject.
5785 If UNREAD is non-nil, go to the first unread article.
5786 Returns the article selected or nil if there are no unread articles."
5791 ((null gnus-newsgroup-data)
5792 (gnus-message 3 "No articles in the group")
5794 ;; Pick the first article.
5796 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
5797 (gnus-data-number (car gnus-newsgroup-data)))
5798 ;; No unread articles.
5799 ((null gnus-newsgroup-unreads)
5800 (gnus-message 3 "No more unread articles")
5802 ;; Find the first unread article.
5804 (let ((data gnus-newsgroup-data))
5806 (and (not (and undownloaded
5807 (eq gnus-undownloaded-mark
5808 (gnus-data-mark (car data)))))
5809 (not (gnus-data-unread-p (car data)))))
5810 (setq data (cdr data)))
5812 (goto-char (gnus-data-pos (car data)))
5813 (gnus-data-number (car data))))))
5814 (gnus-summary-position-point)))
5816 (defun gnus-summary-next-subject (n &optional unread dont-display)
5817 "Go to next N'th summary line.
5818 If N is negative, go to the previous N'th subject line.
5819 If UNREAD is non-nil, only unread articles are selected.
5820 The difference between N and the actual number of steps taken is
5823 (let ((backward (< n 0))
5827 (gnus-summary-find-prev unread)
5828 (gnus-summary-find-next unread)))
5829 (unless (zerop (setq n (1- n)))
5830 (gnus-summary-show-thread)))
5832 (gnus-message 7 "No more%s articles"
5833 (if unread " unread" "")))
5834 (unless dont-display
5835 (gnus-summary-recenter)
5836 (gnus-summary-position-point))
5839 (defun gnus-summary-next-unread-subject (n)
5840 "Go to next N'th unread summary line."
5842 (gnus-summary-next-subject n t))
5844 (defun gnus-summary-prev-subject (n &optional unread)
5845 "Go to previous N'th summary line.
5846 If optional argument UNREAD is non-nil, only unread article is selected."
5848 (gnus-summary-next-subject (- n) unread))
5850 (defun gnus-summary-prev-unread-subject (n)
5851 "Go to previous N'th unread summary line."
5853 (gnus-summary-next-subject (- n) t))
5855 (defun gnus-summary-goto-subject (article &optional force silent)
5856 "Go the subject line of ARTICLE.
5857 If FORCE, also allow jumping to articles not currently shown."
5858 (interactive "nArticle number: ")
5860 (data (gnus-data-find article)))
5861 ;; We read in the article if we have to.
5864 (gnus-summary-insert-subject
5866 (if (or (numberp force) (vectorp force)) force)
5868 (setq data (gnus-data-find article)))
5873 (gnus-message 3 "Can't find article %d" article))
5875 (goto-char (gnus-data-pos data))
5876 (gnus-summary-position-point)
5879 ;; Walking around summary lines with displaying articles.
5881 (defun gnus-summary-expand-window (&optional arg)
5882 "Make the summary buffer take up the entire Emacs frame.
5883 Given a prefix, will force an `article' buffer configuration."
5886 (gnus-configure-windows 'article 'force)
5887 (gnus-configure-windows 'summary 'force)))
5889 (defun gnus-summary-display-article (article &optional all-header)
5890 "Display ARTICLE in article buffer."
5891 (gnus-set-global-variables)
5892 (when (gnus-buffer-live-p gnus-article-buffer)
5893 (with-current-buffer gnus-article-buffer
5894 (setq gnus-article-charset gnus-newsgroup-charset)
5895 (setq gnus-article-ignored-charsets gnus-newsgroup-ignored-charsets)
5896 (mm-enable-multibyte-mule4)))
5900 (if gnus-summary-display-article-function
5901 (funcall gnus-summary-display-article-function article all-header)
5902 (gnus-article-prepare article all-header))
5903 (gnus-run-hooks 'gnus-select-article-hook)
5904 (when (and gnus-current-article
5905 (not (zerop gnus-current-article)))
5906 (gnus-summary-goto-subject gnus-current-article))
5907 (gnus-summary-recenter)
5908 (when (and gnus-use-trees gnus-show-threads)
5909 (gnus-possibly-generate-tree article)
5910 (gnus-highlight-selected-tree article))
5911 ;; Successfully display article.
5912 (gnus-article-set-window-start
5913 (cdr (assq article gnus-newsgroup-bookmarks))))))
5915 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
5916 "Select the current article.
5917 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
5918 non-nil, the article will be re-fetched even if it already present in
5919 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
5921 ;; Make sure we are in the summary buffer to work around bbdb bug.
5922 (unless (eq major-mode 'gnus-summary-mode)
5923 (set-buffer gnus-summary-buffer))
5924 (let ((article (or article (gnus-summary-article-number)))
5925 (all-headers (not (not all-headers))) ;Must be T or NIL.
5926 gnus-summary-display-article-function)
5928 (gnus-summary-article-pseudo-p article)
5929 (error "This is a pseudo-article"))
5931 (set-buffer gnus-summary-buffer)
5932 (if (or (and gnus-single-article-buffer
5933 (or (null gnus-current-article)
5934 (null gnus-article-current)
5935 (null (get-buffer gnus-article-buffer))
5936 (not (eq article (cdr gnus-article-current)))
5937 (not (equal (car gnus-article-current)
5938 gnus-newsgroup-name))))
5939 (and (not gnus-single-article-buffer)
5940 (or (null gnus-current-article)
5941 (not (eq gnus-current-article article))))
5943 ;; The requested article is different from the current article.
5945 (gnus-summary-display-article article all-headers)
5946 (when (gnus-buffer-live-p gnus-article-buffer)
5947 (with-current-buffer gnus-article-buffer
5948 (if (not gnus-article-decoded-p) ;; a local variable
5949 (mm-disable-multibyte-mule4))))
5950 (when (or all-headers gnus-show-all-headers)
5951 (gnus-article-show-all-headers))
5952 (gnus-article-set-window-start
5953 (cdr (assq article gnus-newsgroup-bookmarks)))
5955 (when (or all-headers gnus-show-all-headers)
5956 (gnus-article-show-all-headers))
5959 (defun gnus-summary-force-verify-and-decrypt ()
5961 (let ((mm-verify-option 'known)
5962 (mm-decrypt-option 'known))
5963 (gnus-summary-select-article nil 'force)))
5965 (defun gnus-summary-set-current-mark (&optional current-mark)
5966 "Obsolete function."
5969 (defun gnus-summary-next-article (&optional unread subject backward push)
5970 "Select the next article.
5971 If UNREAD, only unread articles are selected.
5972 If SUBJECT, only articles with SUBJECT are selected.
5973 If BACKWARD, the previous article is selected instead of the next."
5976 ;; Is there such an article?
5977 ((and (gnus-summary-search-forward unread subject backward)
5978 (or (gnus-summary-display-article (gnus-summary-article-number))
5979 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
5980 (gnus-summary-position-point))
5981 ;; If not, we try the first unread, if that is wanted.
5983 gnus-auto-select-same
5984 (gnus-summary-first-unread-article))
5985 (gnus-summary-position-point)
5986 (gnus-message 6 "Wrapped"))
5987 ;; Try to get next/previous article not displayed in this group.
5988 ((and gnus-auto-extend-newsgroup
5989 (not unread) (not subject))
5990 (gnus-summary-goto-article
5991 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
5992 nil (count-lines (point-min) (point))))
5993 ;; Go to next/previous group.
5995 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
5996 (gnus-summary-jump-to-group gnus-newsgroup-name))
5997 (let ((cmd last-command-char)
6000 (set-buffer gnus-group-buffer)
6003 (if (eq gnus-keep-same-level 'best)
6004 (gnus-summary-best-group gnus-newsgroup-name)
6005 (gnus-summary-search-group backward gnus-keep-same-level))))
6006 ;; For some reason, the group window gets selected. We change
6008 (select-window (get-buffer-window (current-buffer)))
6009 ;; Select next unread newsgroup automagically.
6011 ((or (not gnus-auto-select-next)
6013 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
6014 ((or (eq gnus-auto-select-next 'quietly)
6015 (and (eq gnus-auto-select-next 'slightly-quietly)
6017 (and (eq gnus-auto-select-next 'almost-quietly)
6018 (gnus-summary-last-article-p)))
6020 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
6022 (gnus-message 7 "No more%s articles (%s)..."
6023 (if unread " unread" "")
6024 (if group (concat "selecting " group)
6026 (gnus-summary-next-group nil group backward)))
6028 (when (gnus-key-press-event-p last-input-event)
6029 (gnus-summary-walk-group-buffer
6030 gnus-newsgroup-name cmd unread backward point))))))))
6032 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
6033 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
6034 (?\C-p (gnus-group-prev-unread-group 1))))
6035 (cursor-in-echo-area t)
6036 keve key group ended)
6038 (set-buffer gnus-group-buffer)
6041 (if (eq gnus-keep-same-level 'best)
6042 (gnus-summary-best-group gnus-newsgroup-name)
6043 (gnus-summary-search-group backward gnus-keep-same-level))))
6046 5 "No more%s articles%s" (if unread " unread" "")
6048 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
6049 (format " (Type %s for %s [%s])"
6050 (single-key-description cmd) group
6051 (car (gnus-gethash group gnus-newsrc-hashtb)))
6052 (format " (Type %s to exit %s)"
6053 (single-key-description cmd)
6054 gnus-newsgroup-name)))
6055 ;; Confirm auto selection.
6056 (setq key (car (setq keve (gnus-read-event-char))))
6059 ((assq key keystrokes)
6060 (let ((obuf (current-buffer)))
6061 (switch-to-buffer gnus-group-buffer)
6063 (gnus-group-jump-to-group group))
6064 (eval (cadr (assq key keystrokes)))
6065 (setq group (gnus-group-group-name))
6066 (switch-to-buffer obuf))
6070 (gnus-ephemeral-group-p gnus-newsgroup-name))
6072 (gnus-summary-next-group nil group backward)))
6074 (push (cdr keve) unread-command-events))))))
6076 (defun gnus-summary-next-unread-article ()
6077 "Select unread article after current one."
6079 (gnus-summary-next-article
6080 (or (not (eq gnus-summary-goto-unread 'never))
6081 (gnus-summary-last-article-p (gnus-summary-article-number)))
6082 (and gnus-auto-select-same
6083 (gnus-summary-article-subject))))
6085 (defun gnus-summary-prev-article (&optional unread subject)
6086 "Select the article after the current one.
6087 If UNREAD is non-nil, only unread articles are selected."
6089 (gnus-summary-next-article unread subject t))
6091 (defun gnus-summary-prev-unread-article ()
6092 "Select unread article before current one."
6094 (gnus-summary-prev-article
6095 (or (not (eq gnus-summary-goto-unread 'never))
6096 (gnus-summary-first-article-p (gnus-summary-article-number)))
6097 (and gnus-auto-select-same
6098 (gnus-summary-article-subject))))
6100 (defun gnus-summary-next-page (&optional lines circular)
6101 "Show next page of the selected article.
6102 If at the end of the current article, select the next article.
6103 LINES says how many lines should be scrolled up.
6105 If CIRCULAR is non-nil, go to the start of the article instead of
6106 selecting the next article when reaching the end of the current
6109 (setq gnus-summary-buffer (current-buffer))
6110 (gnus-set-global-variables)
6111 (let ((article (gnus-summary-article-number))
6112 (article-window (get-buffer-window gnus-article-buffer t))
6114 ;; If the buffer is empty, we have no article.
6116 (error "No article to select"))
6117 (gnus-configure-windows 'article)
6118 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
6119 (if (and (eq gnus-summary-goto-unread 'never)
6120 (not (gnus-summary-last-article-p article)))
6121 (gnus-summary-next-article)
6122 (gnus-summary-next-unread-article))
6123 (if (or (null gnus-current-article)
6124 (null gnus-article-current)
6125 (/= article (cdr gnus-article-current))
6126 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
6127 ;; Selected subject is different from current article's.
6128 (gnus-summary-display-article article)
6129 (when article-window
6130 (gnus-eval-in-buffer-window gnus-article-buffer
6131 (setq endp (gnus-article-next-page lines)))
6134 (gnus-summary-beginning-of-article))
6136 (gnus-message 3 "End of message"))
6138 (if (and (eq gnus-summary-goto-unread 'never)
6139 (not (gnus-summary-last-article-p article)))
6140 (gnus-summary-next-article)
6141 (gnus-summary-next-unread-article))))))))
6142 (gnus-summary-recenter)
6143 (gnus-summary-position-point)))
6145 (defun gnus-summary-prev-page (&optional lines move)
6146 "Show previous page of selected article.
6147 Argument LINES specifies lines to be scrolled down.
6148 If MOVE, move to the previous unread article if point is at
6149 the beginning of the buffer."
6151 (let ((article (gnus-summary-article-number))
6152 (article-window (get-buffer-window gnus-article-buffer t))
6154 (gnus-configure-windows 'article)
6155 (if (or (null gnus-current-article)
6156 (null gnus-article-current)
6157 (/= article (cdr gnus-article-current))
6158 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
6159 ;; Selected subject is different from current article's.
6160 (gnus-summary-display-article article)
6161 (gnus-summary-recenter)
6162 (when article-window
6163 (gnus-eval-in-buffer-window gnus-article-buffer
6164 (setq endp (gnus-article-prev-page lines)))
6165 (when (and move endp)
6167 (gnus-message 3 "Beginning of message"))
6169 (if (and (eq gnus-summary-goto-unread 'never)
6170 (not (gnus-summary-first-article-p article)))
6171 (gnus-summary-prev-article)
6172 (gnus-summary-prev-unread-article))))))))
6173 (gnus-summary-position-point))
6175 (defun gnus-summary-prev-page-or-article (&optional lines)
6176 "Show previous page of selected article.
6177 Argument LINES specifies lines to be scrolled down.
6178 If at the beginning of the article, go to the next article."
6180 (gnus-summary-prev-page lines t))
6182 (defun gnus-summary-scroll-up (lines)
6183 "Scroll up (or down) one line current article.
6184 Argument LINES specifies lines to be scrolled up (or down if negative)."
6186 (gnus-configure-windows 'article)
6187 (gnus-summary-show-thread)
6188 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
6189 (gnus-eval-in-buffer-window gnus-article-buffer
6191 (when (gnus-article-next-page lines)
6192 (gnus-message 3 "End of message")))
6194 (gnus-article-prev-page (- lines))))))
6195 (gnus-summary-recenter)
6196 (gnus-summary-position-point))
6198 (defun gnus-summary-scroll-down (lines)
6199 "Scroll down (or up) one line current article.
6200 Argument LINES specifies lines to be scrolled down (or up if negative)."
6202 (gnus-summary-scroll-up (- lines)))
6204 (defun gnus-summary-next-same-subject ()
6205 "Select next article which has the same subject as current one."
6207 (gnus-summary-next-article nil (gnus-summary-article-subject)))
6209 (defun gnus-summary-prev-same-subject ()
6210 "Select previous article which has the same subject as current one."
6212 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
6214 (defun gnus-summary-next-unread-same-subject ()
6215 "Select next unread article which has the same subject as current one."
6217 (gnus-summary-next-article t (gnus-summary-article-subject)))
6219 (defun gnus-summary-prev-unread-same-subject ()
6220 "Select previous unread article which has the same subject as current one."
6222 (gnus-summary-prev-article t (gnus-summary-article-subject)))
6224 (defun gnus-summary-first-unread-article ()
6225 "Select the first unread article.
6226 Return nil if there are no unread articles."
6229 (when (gnus-summary-first-subject t)
6230 (gnus-summary-show-thread)
6231 (gnus-summary-first-subject t)
6232 (gnus-summary-display-article (gnus-summary-article-number)))
6233 (gnus-summary-position-point)))
6235 (defun gnus-summary-first-unread-subject ()
6236 "Place the point on the subject line of the first unread article.
6237 Return nil if there are no unread articles."
6240 (when (gnus-summary-first-subject t)
6241 (gnus-summary-show-thread)
6242 (gnus-summary-first-subject t))
6243 (gnus-summary-position-point)))
6245 (defun gnus-summary-first-article ()
6246 "Select the first article.
6247 Return nil if there are no articles."
6250 (when (gnus-summary-first-subject)
6251 (gnus-summary-show-thread)
6252 (gnus-summary-first-subject)
6253 (gnus-summary-display-article (gnus-summary-article-number)))
6254 (gnus-summary-position-point)))
6256 (defun gnus-summary-best-unread-article ()
6257 "Select the unread article with the highest score."
6259 (let ((best -1000000)
6260 (data gnus-newsgroup-data)
6263 (and (gnus-data-unread-p (car data))
6265 (gnus-summary-article-score (gnus-data-number (car data))))
6268 article (gnus-data-number (car data))))
6269 (setq data (cdr data)))
6272 (gnus-summary-goto-article article)
6273 (error "No unread articles"))
6274 (gnus-summary-position-point))))
6276 (defun gnus-summary-last-subject ()
6277 "Go to the last displayed subject line in the group."
6278 (let ((article (gnus-data-number (car (gnus-data-list t)))))
6280 (gnus-summary-goto-subject article))))
6282 (defun gnus-summary-goto-article (article &optional all-headers force)
6283 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
6284 If ALL-HEADERS is non-nil, no header lines are hidden.
6285 If FORCE, go to the article even if it isn't displayed. If FORCE
6286 is a number, it is the line the article is to be displayed on."
6290 "Article number or Message-ID: "
6291 (mapcar (lambda (number) (list (int-to-string number)))
6292 gnus-newsgroup-limit))
6296 (if (and (stringp article)
6297 (string-match "@" article))
6298 (gnus-summary-refer-article article)
6299 (when (stringp article)
6300 (setq article (string-to-number article)))
6301 (if (gnus-summary-goto-subject article force)
6302 (gnus-summary-display-article article all-headers)
6303 (gnus-message 4 "Couldn't go to article %s" article) nil))
6304 (gnus-summary-position-point)))
6306 (defun gnus-summary-goto-last-article ()
6307 "Go to the previously read article."
6310 (when gnus-last-article
6311 (gnus-summary-goto-article gnus-last-article nil t))
6312 (gnus-summary-position-point)))
6314 (defun gnus-summary-pop-article (number)
6315 "Pop one article off the history and go to the previous.
6316 NUMBER articles will be popped off."
6319 (setq gnus-newsgroup-history
6320 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
6322 (gnus-summary-goto-article (car to) nil t)
6323 (error "Article history empty")))
6324 (gnus-summary-position-point))
6326 ;; Summary commands and functions for limiting the summary buffer.
6328 (defun gnus-summary-limit-to-articles (n)
6329 "Limit the summary buffer to the next N articles.
6330 If not given a prefix, use the process marked articles instead."
6333 (let ((articles (gnus-summary-work-articles n)))
6334 (setq gnus-newsgroup-processable nil)
6335 (gnus-summary-limit articles))
6336 (gnus-summary-position-point)))
6338 (defun gnus-summary-pop-limit (&optional total)
6339 "Restore the previous limit.
6340 If given a prefix, remove all limits."
6343 (setq gnus-newsgroup-limits
6344 (list (mapcar (lambda (h) (mail-header-number h))
6345 gnus-newsgroup-headers))))
6346 (unless gnus-newsgroup-limits
6347 (error "No limit to pop"))
6349 (gnus-summary-limit nil 'pop)
6350 (gnus-summary-position-point)))
6352 (defun gnus-summary-limit-to-subject (subject &optional header)
6353 "Limit the summary buffer to articles that have subjects that match a regexp."
6354 (interactive "sLimit to subject (regexp): ")
6356 (setq header "subject"))
6357 (when (not (equal "" subject))
6359 (let ((articles (gnus-summary-find-matching
6360 (or header "subject") subject 'all)))
6362 (error "Found no matches for \"%s\"" subject))
6363 (gnus-summary-limit articles))
6364 (gnus-summary-position-point))))
6366 (defun gnus-summary-limit-to-author (from)
6367 "Limit the summary buffer to articles that have authors that match a regexp."
6368 (interactive "sLimit to author (regexp): ")
6369 (gnus-summary-limit-to-subject from "from"))
6371 (defun gnus-summary-limit-to-age (age &optional younger-p)
6372 "Limit the summary buffer to articles that are older than (or equal) AGE days.
6373 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
6374 articles that are younger than AGE days."
6376 (let ((younger current-prefix-arg)
6379 (while (not days-got)
6380 (setq days (if younger
6381 (read-string "Limit to articles within (in days): ")
6382 (read-string "Limit to articles older than (in days): ")))
6383 (when (> (length days) 0)
6384 (setq days (read days)))
6387 (message "Please enter a number.")
6389 (list days younger)))
6391 (let ((data gnus-newsgroup-data)
6392 (cutoff (days-to-time age))
6393 articles d date is-younger)
6394 (while (setq d (pop data))
6395 (when (and (vectorp (gnus-data-header d))
6396 (setq date (mail-header-date (gnus-data-header d))))
6397 (setq is-younger (time-less-p
6398 (time-since (condition-case ()
6405 (push (gnus-data-number d) articles))))
6406 (gnus-summary-limit (nreverse articles)))
6407 (gnus-summary-position-point)))
6409 (defun gnus-summary-limit-to-extra (header regexp)
6410 "Limit the summary buffer to articles that match an 'extra' header."
6414 (gnus-completing-read
6415 (symbol-name (car gnus-extra-headers))
6416 "Limit extra header:"
6418 (cons (symbol-name x) x))
6423 (read-string (format "Limit to header %s (regexp): " header)))))
6424 (when (not (equal "" regexp))
6426 (let ((articles (gnus-summary-find-matching
6427 (cons 'extra header) regexp 'all)))
6429 (error "Found no matches for \"%s\"" regexp))
6430 (gnus-summary-limit articles))
6431 (gnus-summary-position-point))))
6433 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
6435 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
6437 (defun gnus-summary-limit-to-unread (&optional all)
6438 "Limit the summary buffer to articles that are not marked as read.
6439 If ALL is non-nil, limit strictly to unread articles."
6442 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
6443 (gnus-summary-limit-to-marks
6444 ;; Concat all the marks that say that an article is read and have
6446 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
6447 gnus-killed-mark gnus-kill-file-mark
6448 gnus-low-score-mark gnus-expirable-mark
6449 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
6450 gnus-duplicate-mark gnus-souped-mark)
6453 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
6454 (make-obsolete 'gnus-summary-delete-marked-with
6455 'gnus-summary-limit-exlude-marks)
6457 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
6458 "Exclude articles that are marked with MARKS (e.g. \"DK\").
6459 If REVERSE, limit the summary buffer to articles that are marked
6460 with MARKS. MARKS can either be a string of marks or a list of marks.
6461 Returns how many articles were removed."
6462 (interactive "sMarks: ")
6463 (gnus-summary-limit-to-marks marks t))
6465 (defun gnus-summary-limit-to-marks (marks &optional reverse)
6466 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
6467 If REVERSE (the prefix), limit the summary buffer to articles that are
6468 not marked with MARKS. MARKS can either be a string of marks or a
6470 Returns how many articles were removed."
6471 (interactive "sMarks: \nP")
6473 (let ((data gnus-newsgroup-data)
6474 (marks (if (listp marks) marks
6475 (append marks nil))) ; Transform to list.
6478 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
6479 (memq (gnus-data-mark (car data)) marks))
6480 (push (gnus-data-number (car data)) articles))
6481 (setq data (cdr data)))
6482 (gnus-summary-limit articles))
6483 (gnus-summary-position-point)))
6485 (defun gnus-summary-limit-to-score (&optional score)
6486 "Limit to articles with score at or above SCORE."
6488 (setq score (if score
6489 (prefix-numeric-value score)
6490 (or gnus-summary-default-score 0)))
6491 (let ((data gnus-newsgroup-data)
6494 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
6496 (push (gnus-data-number (car data)) articles))
6497 (setq data (cdr data)))
6499 (gnus-summary-limit articles)
6500 (gnus-summary-position-point))))
6502 (defun gnus-summary-limit-include-thread (id)
6503 "Display all the hidden articles that in the current thread."
6504 (interactive (list (mail-header-id (gnus-summary-article-header))))
6505 (let ((articles (gnus-articles-in-thread
6506 (gnus-id-to-thread (gnus-root-id id)))))
6508 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
6509 (gnus-summary-position-point))))
6511 (defun gnus-summary-limit-include-dormant ()
6512 "Display all the hidden articles that are marked as dormant.
6513 Note that this command only works on a subset of the articles currently
6514 fetched for this group."
6516 (unless gnus-newsgroup-dormant
6517 (error "There are no dormant articles in this group"))
6519 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
6520 (gnus-summary-position-point)))
6522 (defun gnus-summary-limit-exclude-dormant ()
6523 "Hide all dormant articles."
6526 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
6527 (gnus-summary-position-point)))
6529 (defun gnus-summary-limit-exclude-childless-dormant ()
6530 "Hide all dormant articles that have no children."
6532 (let ((data (gnus-data-list t))
6533 articles d children)
6534 ;; Find all articles that are either not dormant or have
6536 (while (setq d (pop data))
6537 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
6539 (gnus-article-children (gnus-data-number d)))
6542 (when (memq (car children) articles)
6547 (push (gnus-data-number d) articles)))
6550 (gnus-summary-limit articles)
6551 (gnus-summary-position-point))))
6553 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
6554 "Mark all unread excluded articles as read.
6555 If ALL, mark even excluded ticked and dormants as read."
6557 (let ((articles (gnus-sorted-complement
6559 (mapcar (lambda (h) (mail-header-number h))
6560 gnus-newsgroup-headers)
6562 (sort gnus-newsgroup-limit '<)))
6564 (setq gnus-newsgroup-unreads
6565 (gnus-intersection gnus-newsgroup-unreads gnus-newsgroup-limit))
6567 (setq gnus-newsgroup-dormant nil
6568 gnus-newsgroup-marked nil
6569 gnus-newsgroup-reads
6571 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
6572 gnus-newsgroup-reads))
6573 (while (setq article (pop articles))
6574 (unless (or (memq article gnus-newsgroup-dormant)
6575 (memq article gnus-newsgroup-marked))
6576 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
6578 (defun gnus-summary-limit (articles &optional pop)
6580 ;; We pop the previous limit off the stack and use that.
6581 (setq articles (car gnus-newsgroup-limits)
6582 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
6583 ;; We use the new limit, so we push the old limit on the stack.
6584 (push gnus-newsgroup-limit gnus-newsgroup-limits))
6586 (setq gnus-newsgroup-limit articles)
6587 (let ((total (length gnus-newsgroup-data))
6588 (data (gnus-data-find-list (gnus-summary-article-number)))
6589 (gnus-summary-mark-below nil) ; Inhibit this.
6591 ;; This will do all the work of generating the new summary buffer
6592 ;; according to the new limit.
6593 (gnus-summary-prepare)
6594 ;; Hide any threads, possibly.
6595 (and gnus-show-threads
6596 gnus-thread-hide-subtree
6597 (gnus-summary-hide-all-threads))
6598 ;; Try to return to the article you were at, or one in the
6601 ;; We try to find some article after the current one.
6603 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
6606 (setq data (cdr data))))
6608 ;; If there is no data, that means that we were after the last
6609 ;; article. The same goes when we can't find any articles
6610 ;; after the current one.
6611 (goto-char (point-max))
6612 (gnus-summary-find-prev))
6613 (gnus-set-mode-line 'summary)
6614 ;; We return how many articles were removed from the summary
6615 ;; buffer as a result of the new limit.
6616 (- total (length gnus-newsgroup-data))))
6618 (defsubst gnus-invisible-cut-children (threads)
6621 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
6626 (defsubst gnus-cut-thread (thread)
6627 "Go forwards in the thread until we find an article that we want to display."
6628 (when (or (eq gnus-fetch-old-headers 'some)
6629 (eq gnus-fetch-old-headers 'invisible)
6630 (numberp gnus-fetch-old-headers)
6631 (eq gnus-build-sparse-threads 'some)
6632 (eq gnus-build-sparse-threads 'more))
6633 ;; Deal with old-fetched headers and sparse threads.
6637 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
6638 (gnus-summary-article-ancient-p
6639 (mail-header-number (car thread))))
6640 (if (or (<= (length (cdr thread)) 1)
6641 (eq gnus-fetch-old-headers 'invisible))
6642 (setq gnus-newsgroup-limit
6643 (delq (mail-header-number (car thread))
6644 gnus-newsgroup-limit)
6645 thread (cadr thread))
6646 (when (gnus-invisible-cut-children (cdr thread))
6647 (let ((th (cdr thread)))
6649 (if (memq (mail-header-number (caar th))
6650 gnus-newsgroup-limit)
6651 (setq thread (car th)
6653 (setq th (cdr th))))))))))
6656 (defun gnus-cut-threads (threads)
6657 "Cut off all uninteresting articles from the beginning of threads."
6658 (when (or (eq gnus-fetch-old-headers 'some)
6659 (eq gnus-fetch-old-headers 'invisible)
6660 (numberp gnus-fetch-old-headers)
6661 (eq gnus-build-sparse-threads 'some)
6662 (eq gnus-build-sparse-threads 'more))
6665 (setcar th (gnus-cut-thread (car th)))
6666 (setq th (cdr th)))))
6667 ;; Remove nixed out threads.
6670 (defun gnus-summary-initial-limit (&optional show-if-empty)
6671 "Figure out what the initial limit is supposed to be on group entry.
6672 This entails weeding out unwanted dormants, low-scored articles,
6673 fetch-old-headers verbiage, and so on."
6674 ;; Most groups have nothing to remove.
6675 (if (or gnus-inhibit-limiting
6676 (and (null gnus-newsgroup-dormant)
6677 (not (eq gnus-fetch-old-headers 'some))
6678 (not (numberp gnus-fetch-old-headers))
6679 (not (eq gnus-fetch-old-headers 'invisible))
6680 (null gnus-summary-expunge-below)
6681 (not (eq gnus-build-sparse-threads 'some))
6682 (not (eq gnus-build-sparse-threads 'more))
6683 (null gnus-thread-expunge-below)
6684 (not gnus-use-nocem)))
6686 (push gnus-newsgroup-limit gnus-newsgroup-limits)
6687 (setq gnus-newsgroup-limit nil)
6690 (unless (car (symbol-value node))
6691 ;; These threads have no parents -- they are roots.
6692 (let ((nodes (cdr (symbol-value node)))
6695 (if (and gnus-thread-expunge-below
6696 (< (gnus-thread-total-score (car nodes))
6697 gnus-thread-expunge-below))
6698 (gnus-expunge-thread (pop nodes))
6699 (setq thread (pop nodes))
6700 (gnus-summary-limit-children thread))))))
6701 gnus-newsgroup-dependencies)
6702 ;; If this limitation resulted in an empty group, we might
6703 ;; pop the previous limit and use it instead.
6704 (when (and (not gnus-newsgroup-limit)
6706 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
6707 gnus-newsgroup-limit))
6709 (defun gnus-summary-limit-children (thread)
6710 "Return 1 if this subthread is visible and 0 if it is not."
6711 ;; First we get the number of visible children to this thread. This
6712 ;; is done by recursing down the thread using this function, so this
6713 ;; will really go down to a leaf article first, before slowly
6714 ;; working its way up towards the root.
6718 (apply '+ (mapcar 'gnus-summary-limit-children
6721 (number (mail-header-number (car thread)))
6724 (not (memq number gnus-newsgroup-marked))
6726 ;; If this article is dormant and has absolutely no visible
6727 ;; children, then this article isn't visible.
6728 (and (memq number gnus-newsgroup-dormant)
6730 ;; If this is "fetch-old-headered" and there is no
6731 ;; visible children, then we don't want this article.
6732 (and (or (eq gnus-fetch-old-headers 'some)
6733 (numberp gnus-fetch-old-headers))
6734 (gnus-summary-article-ancient-p number)
6736 ;; If this is "fetch-old-headered" and `invisible', then
6737 ;; we don't want this article.
6738 (and (eq gnus-fetch-old-headers 'invisible)
6739 (gnus-summary-article-ancient-p number))
6740 ;; If this is a sparsely inserted article with no children,
6741 ;; we don't want it.
6742 (and (eq gnus-build-sparse-threads 'some)
6743 (gnus-summary-article-sparse-p number)
6745 ;; If we use expunging, and this article is really
6746 ;; low-scored, then we don't want this article.
6747 (when (and gnus-summary-expunge-below
6749 (or (cdr (assq number gnus-newsgroup-scored))
6750 gnus-summary-default-score))
6751 gnus-summary-expunge-below))
6752 ;; We increase the expunge-tally here, but that has
6753 ;; nothing to do with the limits, really.
6754 (incf gnus-newsgroup-expunged-tally)
6755 ;; We also mark as read here, if that's wanted.
6756 (when (and gnus-summary-mark-below
6757 (< score gnus-summary-mark-below))
6758 (setq gnus-newsgroup-unreads
6759 (delq number gnus-newsgroup-unreads))
6760 (if gnus-newsgroup-auto-expire
6761 (push number gnus-newsgroup-expirable)
6762 (push (cons number gnus-low-score-mark)
6763 gnus-newsgroup-reads)))
6765 ;; Check NoCeM things.
6766 (if (and gnus-use-nocem
6767 (gnus-nocem-unwanted-article-p
6768 (mail-header-id (car thread))))
6770 (setq gnus-newsgroup-unreads
6771 (delq number gnus-newsgroup-unreads))
6773 ;; Nope, invisible article.
6775 ;; Ok, this article is to be visible, so we add it to the limit
6777 (push number gnus-newsgroup-limit)
6780 (defun gnus-expunge-thread (thread)
6781 "Mark all articles in THREAD as read."
6782 (let* ((number (mail-header-number (car thread))))
6783 (incf gnus-newsgroup-expunged-tally)
6784 ;; We also mark as read here, if that's wanted.
6785 (setq gnus-newsgroup-unreads
6786 (delq number gnus-newsgroup-unreads))
6787 (if gnus-newsgroup-auto-expire
6788 (push number gnus-newsgroup-expirable)
6789 (push (cons number gnus-low-score-mark)
6790 gnus-newsgroup-reads)))
6791 ;; Go recursively through all subthreads.
6792 (mapcar 'gnus-expunge-thread (cdr thread)))
6794 ;; Summary article oriented commands
6796 (defun gnus-summary-refer-parent-article (n)
6797 "Refer parent article N times.
6798 If N is negative, go to ancestor -N instead.
6799 The difference between N and the number of articles fetched is returned."
6803 (when (not (natnump n))
6808 (setq header (gnus-summary-article-header))
6809 (if (and (eq (mail-header-number header)
6810 (cdr gnus-article-current))
6811 (equal gnus-newsgroup-name
6812 (car gnus-article-current)))
6813 ;; If we try to find the parent of the currently
6814 ;; displayed article, then we take a look at the actual
6815 ;; References header, since this is slightly more
6816 ;; reliable than the References field we got from the
6819 (set-buffer gnus-original-article-buffer)
6820 (nnheader-narrow-to-headers)
6821 (unless (setq ref (message-fetch-field "references"))
6822 (setq ref (message-fetch-field "in-reply-to")))
6825 ;; It's not the current article, so we take a bet on
6826 ;; the value we got from the server.
6827 (mail-header-references header)))
6829 (not (equal ref "")))
6830 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
6831 (gnus-message 1 "Couldn't find parent"))
6832 (gnus-message 1 "No references in article %d"
6833 (gnus-summary-article-number))
6836 (gnus-summary-position-point)
6839 (defun gnus-summary-refer-references ()
6840 "Fetch all articles mentioned in the References header.
6841 Return the number of articles fetched."
6843 (let ((ref (mail-header-references (gnus-summary-article-header)))
6844 (current (gnus-summary-article-number))
6848 (error "No References in the current article")
6849 ;; For each Message-ID in the References header...
6850 (while (string-match "<[^>]*>" ref)
6852 ;; ... fetch that article.
6853 (gnus-summary-refer-article
6854 (prog1 (match-string 0 ref)
6855 (setq ref (substring ref (match-end 0))))))
6856 (gnus-summary-goto-subject current)
6857 (gnus-summary-position-point)
6860 (defun gnus-summary-refer-thread (&optional limit)
6861 "Fetch all articles in the current thread.
6862 If LIMIT (the numerical prefix), fetch that many old headers instead
6863 of what's specified by the `gnus-refer-thread-limit' variable."
6865 (let ((id (mail-header-id (gnus-summary-article-header)))
6866 (limit (if limit (prefix-numeric-value limit)
6867 gnus-refer-thread-limit)))
6868 ;; We want to fetch LIMIT *old* headers, but we also have to
6869 ;; re-fetch all the headers in the current buffer, because many of
6870 ;; them may be undisplayed. So we adjust LIMIT.
6871 (when (numberp limit)
6872 (incf limit (- gnus-newsgroup-end gnus-newsgroup-begin)))
6873 (unless (eq gnus-fetch-old-headers 'invisible)
6874 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
6875 ;; Retrieve the headers and read them in.
6876 (if (eq (gnus-retrieve-headers
6877 (list gnus-newsgroup-end) gnus-newsgroup-name limit)
6879 (gnus-build-all-threads)
6880 (error "Can't fetch thread from backends that don't support NOV"))
6881 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
6882 (gnus-summary-limit-include-thread id)))
6884 (defun gnus-summary-refer-article (message-id)
6885 "Fetch an article specified by MESSAGE-ID."
6886 (interactive "sMessage-ID: ")
6887 (when (and (stringp message-id)
6888 (not (zerop (length message-id))))
6889 ;; Construct the correct Message-ID if necessary.
6890 ;; Suggested by tale@pawl.rpi.edu.
6891 (unless (string-match "^<" message-id)
6892 (setq message-id (concat "<" message-id)))
6893 (unless (string-match ">$" message-id)
6894 (setq message-id (concat message-id ">")))
6895 (let* ((header (gnus-id-to-header message-id))
6897 (gnus-summary-article-sparse-p
6898 (mail-header-number header))
6899 (memq (mail-header-number header)
6900 gnus-newsgroup-limit)))
6903 ;; If the article is present in the buffer we just go to it.
6905 (or (not (gnus-summary-article-sparse-p
6906 (mail-header-number header)))
6909 (gnus-summary-goto-article
6910 (mail-header-number header) nil t)
6912 (gnus-summary-update-article (mail-header-number header)))))
6914 ;; We fetch the article.
6916 (dolist (gnus-override-method (gnus-refer-article-methods))
6917 (gnus-check-server gnus-override-method)
6918 ;; Fetch the header, and display the article.
6919 (when (setq number (gnus-summary-insert-subject message-id))
6920 (gnus-summary-select-article nil nil nil number)
6922 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
6924 (defun gnus-refer-article-methods ()
6925 "Return a list of referrable methods."
6927 ;; No method, so we default to current and native.
6928 ((null gnus-refer-article-method)
6929 (list gnus-current-select-method gnus-select-method))
6931 ((eq 'current gnus-refer-article-method)
6932 (list gnus-current-select-method))
6933 ;; List of select methods.
6934 ((not (and (symbolp (car gnus-refer-article-method))
6935 (assq (car gnus-refer-article-method) nnoo-definition-alist)))
6937 (dolist (method gnus-refer-article-method)
6938 (push (if (eq 'current method)
6939 gnus-current-select-method
6943 ;; One single select method.
6945 (list gnus-refer-article-method))))
6947 (defun gnus-summary-edit-parameters ()
6948 "Edit the group parameters of the current group."
6950 (gnus-group-edit-group gnus-newsgroup-name 'params))
6952 (defun gnus-summary-customize-parameters ()
6953 "Customize the group parameters of the current group."
6955 (gnus-group-customize gnus-newsgroup-name))
6957 (defun gnus-summary-enter-digest-group (&optional force)
6958 "Enter an nndoc group based on the current article.
6959 If FORCE, force a digest interpretation. If not, try
6960 to guess what the document format is."
6962 (let ((conf gnus-current-window-configuration))
6964 (gnus-summary-select-article))
6965 (setq gnus-current-window-configuration conf)
6966 (let* ((name (format "%s-%d"
6967 (gnus-group-prefixed-name
6968 gnus-newsgroup-name (list 'nndoc ""))
6970 (set-buffer gnus-summary-buffer)
6971 gnus-current-article)))
6972 (ogroup gnus-newsgroup-name)
6973 (params (append (gnus-info-params (gnus-get-info ogroup))
6974 (list (cons 'to-group ogroup))
6975 (list (cons 'save-article-group ogroup))))
6976 (case-fold-search t)
6977 (buf (current-buffer))
6980 (set-buffer gnus-original-article-buffer)
6981 ;; Have the digest group inherit the main mail address of
6982 ;; the parent article.
6983 (when (setq to-address (or (message-fetch-field "reply-to")
6984 (message-fetch-field "from")))
6985 (setq params (append
6986 (list (cons 'to-address
6987 (funcall gnus-decode-encoded-word-function
6989 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
6990 (insert-buffer-substring gnus-original-article-buffer)
6991 ;; Remove lines that may lead nndoc to misinterpret the
6994 (goto-char (point-min))
6995 (or (search-forward "\n\n" nil t) (point)))
6996 (goto-char (point-min))
6997 (delete-matching-lines "^Path:\\|^From ")
7000 (if (let ((gnus-newsgroup-ephemeral-charset gnus-newsgroup-charset)
7001 (gnus-newsgroup-ephemeral-ignored-charsets
7002 gnus-newsgroup-ignored-charsets))
7003 (gnus-group-read-ephemeral-group
7004 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
7006 ,(if force 'mbox 'guess))) t))
7007 ;; Make all postings to this group go to the parent group.
7008 (nconc (gnus-info-params (gnus-get-info name))
7010 ;; Couldn't select this doc group.
7011 (switch-to-buffer buf)
7012 (gnus-set-global-variables)
7013 (gnus-configure-windows 'summary)
7014 (gnus-message 3 "Article couldn't be entered?"))
7015 (kill-buffer dig)))))
7017 (defun gnus-summary-read-document (n)
7018 "Open a new group based on the current article(s).
7019 This will allow you to read digests and other similar
7020 documents as newsgroups.
7021 Obeys the standard process/prefix convention."
7023 (let* ((articles (gnus-summary-work-articles n))
7024 (ogroup gnus-newsgroup-name)
7025 (params (append (gnus-info-params (gnus-get-info ogroup))
7026 (list (cons 'to-group ogroup))))
7027 article group egroup groups vgroup)
7028 (while (setq article (pop articles))
7029 (setq group (format "%s-%d" gnus-newsgroup-name article))
7030 (gnus-summary-remove-process-mark article)
7031 (when (gnus-summary-display-article article)
7034 (insert-buffer-substring gnus-original-article-buffer)
7035 ;; Remove some headers that may lead nndoc to make
7037 (message-narrow-to-head)
7038 (goto-char (point-min))
7039 (delete-matching-lines "^\\(Path\\):\\|^From ")
7042 (gnus-group-read-ephemeral-group
7043 group `(nndoc ,group (nndoc-address ,(current-buffer))
7044 (nndoc-article-type guess))
7047 ;; Make all postings to this group go to the parent group.
7048 (nconc (gnus-info-params (gnus-get-info egroup))
7050 (push egroup groups))
7051 ;; Couldn't select this doc group.
7052 (gnus-error 3 "Article couldn't be entered"))))))
7053 ;; Now we have selected all the documents.
7056 (error "None of the articles could be interpreted as documents"))
7057 ((gnus-group-read-ephemeral-group
7058 (setq vgroup (format
7059 "nnvirtual:%s-%s" gnus-newsgroup-name
7060 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
7061 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
7063 (cons (current-buffer) 'summary)))
7065 (error "Couldn't select virtual nndoc group")))))
7067 (defun gnus-summary-isearch-article (&optional regexp-p)
7068 "Do incremental search forward on the current article.
7069 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
7071 (gnus-summary-select-article)
7072 (gnus-configure-windows 'article)
7073 (gnus-eval-in-buffer-window gnus-article-buffer
7076 (isearch-forward regexp-p))))
7078 (defun gnus-summary-search-article-forward (regexp &optional backward)
7079 "Search for an article containing REGEXP forward.
7080 If BACKWARD, search backward instead."
7083 (format "Search article %s (regexp%s): "
7084 (if current-prefix-arg "backward" "forward")
7085 (if gnus-last-search-regexp
7086 (concat ", default " gnus-last-search-regexp)
7088 current-prefix-arg))
7089 (if (string-equal regexp "")
7090 (setq regexp (or gnus-last-search-regexp ""))
7091 (setq gnus-last-search-regexp regexp)
7092 (setq gnus-article-before-search gnus-current-article))
7093 ;; Intentionally set gnus-last-article.
7094 (setq gnus-last-article gnus-article-before-search)
7095 (let ((gnus-last-article gnus-last-article))
7096 (if (gnus-summary-search-article regexp backward)
7097 (gnus-summary-show-thread)
7098 (error "Search failed: \"%s\"" regexp))))
7100 (defun gnus-summary-search-article-backward (regexp)
7101 "Search for an article containing REGEXP backward."
7104 (format "Search article backward (regexp%s): "
7105 (if gnus-last-search-regexp
7106 (concat ", default " gnus-last-search-regexp)
7108 (gnus-summary-search-article-forward regexp 'backward))
7110 (defun gnus-summary-search-article (regexp &optional backward)
7111 "Search for an article containing REGEXP.
7112 Optional argument BACKWARD means do search for backward.
7113 `gnus-select-article-hook' is not called during the search."
7114 ;; We have to require this here to make sure that the following
7115 ;; dynamic binding isn't shadowed by autoloading.
7116 (require 'gnus-async)
7118 (let ((gnus-select-article-hook nil) ;Disable hook.
7119 (gnus-article-prepare-hook nil)
7120 (gnus-mark-article-hook nil) ;Inhibit marking as read.
7121 (gnus-use-article-prefetch nil)
7122 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
7123 (gnus-use-trees nil) ;Inhibit updating tree buffer.
7124 (sum (current-buffer))
7125 (gnus-display-mime-function nil)
7128 (gnus-save-hidden-threads
7129 (gnus-summary-select-article)
7130 (set-buffer gnus-article-buffer)
7131 (goto-char (window-point (get-buffer-window (current-buffer))))
7135 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
7137 (re-search-backward regexp nil t)
7138 (re-search-forward regexp nil t))
7139 ;; We found the regexp.
7144 (get-buffer-window (current-buffer))
7148 (get-buffer-window (current-buffer))
7151 (setq point (point)))
7152 ;; We didn't find it, so we go to the next article.
7155 (while (eq found 'not)
7156 (if (not (if backward (gnus-summary-find-prev)
7157 (gnus-summary-find-next)))
7158 ;; No more articles.
7160 ;; Select the next article and adjust point.
7161 (unless (gnus-summary-article-sparse-p
7162 (gnus-summary-article-number))
7164 (gnus-summary-select-article)
7165 (set-buffer gnus-article-buffer)
7167 (goto-char (if backward (point-max) (point-min))))))))
7168 (gnus-message 7 ""))
7169 ;; Return whether we found the regexp.
7170 (when (eq found 'found)
7172 (gnus-summary-show-thread)
7173 (gnus-summary-goto-subject gnus-current-article)
7174 (gnus-summary-position-point)
7177 (defun gnus-summary-find-matching (header regexp &optional backward unread
7179 "Return a list of all articles that match REGEXP on HEADER.
7180 The search stars on the current article and goes forwards unless
7181 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
7182 If UNREAD is non-nil, only unread articles will
7183 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
7184 in the comparisons."
7185 (let ((data (if (eq backward 'all) gnus-newsgroup-data
7186 (gnus-data-find-list
7187 (gnus-summary-article-number) (gnus-data-list backward))))
7188 (case-fold-search (not not-case-fold))
7191 (if (eq (car header) 'extra)
7194 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
7196 (error "%s is an invalid header" header))
7197 (unless (fboundp (intern (concat "mail-header-" header)))
7198 (error "%s is not a valid header" header))
7199 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
7202 (and (or (not unread) ; We want all articles...
7203 (gnus-data-unread-p d)) ; Or just unreads.
7204 (vectorp (gnus-data-header d)) ; It's not a pseudo.
7205 (string-match regexp (funcall func (gnus-data-header d))) ; Match.
7206 (push (gnus-data-number d) articles)) ; Success!
7207 (setq data (cdr data)))
7208 (nreverse articles)))
7210 (defun gnus-summary-execute-command (header regexp command &optional backward)
7211 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
7212 If HEADER is an empty string (or nil), the match is done on the entire
7213 article. If BACKWARD (the prefix) is non-nil, search backward instead."
7215 (list (let ((completion-ignore-case t))
7218 (mapcar (lambda (string) (list string))
7219 '("Number" "Subject" "From" "Lines" "Date"
7220 "Message-ID" "Xref" "References" "Body"))
7221 nil 'require-match))
7222 (read-string "Regexp: ")
7223 (read-key-sequence "Command: ")
7224 current-prefix-arg))
7225 (when (equal header "Body")
7227 ;; Hidden thread subtrees must be searched as well.
7228 (gnus-summary-show-all-threads)
7229 ;; We don't want to change current point nor window configuration.
7231 (save-window-excursion
7232 (gnus-message 6 "Executing %s..." (key-description command))
7233 ;; We'd like to execute COMMAND interactively so as to give arguments.
7234 (gnus-execute header regexp
7235 `(call-interactively ',(key-binding command))
7237 (gnus-message 6 "Executing %s...done" (key-description command)))))
7239 (defun gnus-summary-beginning-of-article ()
7240 "Scroll the article back to the beginning."
7242 (gnus-summary-select-article)
7243 (gnus-configure-windows 'article)
7244 (gnus-eval-in-buffer-window gnus-article-buffer
7246 (goto-char (point-min))
7247 (when gnus-page-broken
7248 (gnus-narrow-to-page))))
7250 (defun gnus-summary-end-of-article ()
7251 "Scroll to the end of the article."
7253 (gnus-summary-select-article)
7254 (gnus-configure-windows 'article)
7255 (gnus-eval-in-buffer-window gnus-article-buffer
7257 (goto-char (point-max))
7259 (when gnus-page-broken
7260 (gnus-narrow-to-page))))
7262 (defun gnus-summary-print-article (&optional filename n)
7263 "Generate and print a PostScript image of the N next (mail) articles.
7265 If N is negative, print the N previous articles. If N is nil and articles
7266 have been marked with the process mark, print these instead.
7268 If the optional first argument FILENAME is nil, send the image to the
7269 printer. If FILENAME is a string, save the PostScript image in a file with
7270 that name. If FILENAME is a number, prompt the user for the name of the file
7272 (interactive (list (ps-print-preprint current-prefix-arg)
7273 current-prefix-arg))
7274 (dolist (article (gnus-summary-work-articles n))
7275 (gnus-summary-select-article nil nil 'pseudo article)
7276 (gnus-eval-in-buffer-window gnus-article-buffer
7277 (let ((buffer (generate-new-buffer " *print*")))
7280 (copy-to-buffer buffer (point-min) (point-max))
7282 (gnus-article-delete-invisible-text)
7283 (let ((ps-left-header
7286 (mail-header-subject gnus-current-headers) ")")
7288 (mail-header-from gnus-current-headers) ")")))
7291 "/pagenumberstring load"
7293 (mail-header-date gnus-current-headers) ")"))))
7294 (gnus-run-hooks 'gnus-ps-print-hook)
7296 (ps-print-buffer-with-faces filename))))
7297 (kill-buffer buffer))))))
7299 (defun gnus-summary-show-article (&optional arg)
7300 "Force re-fetching of the current article.
7301 If ARG (the prefix) is a number, show the article with the charset
7302 defined in `gnus-summary-show-article-charset-alist', or the charset
7304 If ARG (the prefix) is non-nil and not a number, show the raw article
7305 without any article massaging functions being run."
7309 (let ((gnus-newsgroup-charset
7310 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
7311 (read-coding-system "Charset: ")))
7312 (gnus-newsgroup-ignored-charsets 'gnus-all))
7313 (gnus-summary-select-article nil 'force)
7314 (let ((deps gnus-newsgroup-dependencies)
7317 (set-buffer gnus-original-article-buffer)
7319 (message-narrow-to-head)
7320 (setq head (buffer-string)))
7322 (insert (format "211 %d Article retrieved.\n"
7323 (cdr gnus-article-current)))
7326 (let ((nntp-server-buffer (current-buffer)))
7327 (setq header (car (gnus-get-newsgroup-headers deps t))))))
7328 (gnus-data-set-header
7329 (gnus-data-find (cdr gnus-article-current))
7331 (gnus-summary-update-article-line
7332 (cdr gnus-article-current) header))))
7334 ;; Select the article the normal way.
7335 (gnus-summary-select-article nil 'force))
7337 ;; We have to require this here to make sure that the following
7338 ;; dynamic binding isn't shadowed by autoloading.
7339 (require 'gnus-async)
7341 ;; Bind the article treatment functions to nil.
7342 (let ((gnus-have-all-headers t)
7343 gnus-article-prepare-hook
7344 gnus-article-decode-hook
7345 gnus-display-mime-function
7347 ;; Destroy any MIME parts.
7348 (when (gnus-buffer-live-p gnus-article-buffer)
7350 (set-buffer gnus-article-buffer)
7351 (mm-destroy-parts gnus-article-mime-handles)
7352 ;; Set it to nil for safety reason.
7353 (setq gnus-article-mime-handle-alist nil)
7354 (setq gnus-article-mime-handles nil)))
7355 (gnus-summary-select-article nil 'force))))
7356 (gnus-summary-goto-subject gnus-current-article)
7357 (gnus-summary-position-point))
7359 (defun gnus-summary-verbose-headers (&optional arg)
7360 "Toggle permanent full header display.
7361 If ARG is a positive number, turn header display on.
7362 If ARG is a negative number, turn header display off."
7364 (setq gnus-show-all-headers
7365 (cond ((or (not (numberp arg))
7367 (not gnus-show-all-headers))
7370 (gnus-summary-show-article))
7372 (defun gnus-summary-toggle-header (&optional arg)
7373 "Show the headers if they are hidden, or hide them if they are shown.
7374 If ARG is a positive number, show the entire header.
7375 If ARG is a negative number, hide the unwanted header lines."
7378 (set-buffer gnus-article-buffer)
7380 (let* ((buffer-read-only nil)
7381 (inhibit-point-motion-hooks t)
7387 (article-narrow-to-head)
7388 (gnus-article-hidden-text-p 'headers))))
7389 (goto-char (point-min))
7390 (when (search-forward "\n\n" nil t)
7391 (delete-region (point-min) (1- (point))))
7392 (goto-char (point-min))
7394 (set-buffer gnus-original-article-buffer)
7395 (goto-char (point-min))
7396 (setq e (1- (or (search-forward "\n\n" nil t) (point-max)))))
7397 (insert-buffer-substring gnus-original-article-buffer 1 e)
7399 (narrow-to-region (point-min) (point))
7400 (article-decode-encoded-words)
7402 (let ((gnus-treat-hide-headers nil)
7403 (gnus-treat-hide-boring-headers nil))
7404 (setq gnus-article-wash-types
7405 (delq 'headers gnus-article-wash-types))
7406 (gnus-treat-article 'head))
7407 (gnus-treat-article 'head)))
7408 (gnus-set-mode-line 'article)))))
7410 (defun gnus-summary-show-all-headers ()
7411 "Make all header lines visible."
7413 (gnus-article-show-all-headers))
7415 (defun gnus-summary-caesar-message (&optional arg)
7416 "Caesar rotate the current article by 13.
7417 The numerical prefix specifies how many places to rotate each letter
7420 (gnus-summary-select-article)
7421 (let ((mail-header-separator ""))
7422 (gnus-eval-in-buffer-window gnus-article-buffer
7425 (let ((start (window-start))
7427 (message-caesar-buffer-body arg)
7428 (set-window-start (get-buffer-window (current-buffer)) start))))))
7430 (defun gnus-summary-stop-page-breaking ()
7431 "Stop page breaking in the current article."
7433 (gnus-summary-select-article)
7434 (gnus-eval-in-buffer-window gnus-article-buffer
7436 (when (gnus-visual-p 'page-marker)
7437 (let ((buffer-read-only nil))
7438 (gnus-remove-text-with-property 'gnus-prev)
7439 (gnus-remove-text-with-property 'gnus-next))
7440 (setq gnus-page-broken nil))))
7442 (defun gnus-summary-move-article (&optional n to-newsgroup
7443 select-method action)
7444 "Move the current article to a different newsgroup.
7445 If N is a positive number, move the N next articles.
7446 If N is a negative number, move the N previous articles.
7447 If N is nil and any articles have been marked with the process mark,
7448 move those articles instead.
7449 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
7450 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
7451 re-spool using this method.
7453 For this function to work, both the current newsgroup and the
7454 newsgroup that you want to move to have to support the `request-move'
7455 and `request-accept' functions.
7457 ACTION can be either `move' (the default), `crosspost' or `copy'."
7460 (setq action 'move))
7461 ;; Disable marking as read.
7462 (let (gnus-mark-article-hook)
7463 (save-window-excursion
7464 (gnus-summary-select-article)))
7465 ;; Check whether the source group supports the required functions.
7466 (cond ((and (eq action 'move)
7467 (not (gnus-check-backend-function
7468 'request-move-article gnus-newsgroup-name)))
7469 (error "The current group does not support article moving"))
7470 ((and (eq action 'crosspost)
7471 (not (gnus-check-backend-function
7472 'request-replace-article gnus-newsgroup-name)))
7473 (error "The current group does not support article editing")))
7474 (let ((articles (gnus-summary-work-articles n))
7475 (prefix (if (gnus-check-backend-function
7476 'request-move-article gnus-newsgroup-name)
7477 (gnus-group-real-prefix gnus-newsgroup-name)
7479 (names '((move "Move" "Moving")
7480 (copy "Copy" "Copying")
7481 (crosspost "Crosspost" "Crossposting")))
7482 (copy-buf (save-excursion
7483 (nnheader-set-temp-buffer " *copy article*")))
7484 art-group to-method new-xref article to-groups)
7485 (unless (assq action names)
7486 (error "Unknown action %s" action))
7487 ;; Read the newsgroup name.
7488 (when (and (not to-newsgroup)
7489 (not select-method))
7491 (gnus-read-move-group-name
7492 (cadr (assq action names))
7493 (symbol-value (intern (format "gnus-current-%s-group" action)))
7495 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
7496 (setq to-method (or select-method
7497 (gnus-server-to-method
7498 (gnus-group-method to-newsgroup))))
7499 ;; Check the method we are to move this article to...
7500 (unless (gnus-check-backend-function
7501 'request-accept-article (car to-method))
7502 (error "%s does not support article copying" (car to-method)))
7503 (unless (gnus-check-server to-method)
7504 (error "Can't open server %s" (car to-method)))
7505 (gnus-message 6 "%s to %s: %s..."
7506 (caddr (assq action names))
7507 (or (car select-method) to-newsgroup) articles)
7509 (setq article (pop articles))
7513 ;; Move the article.
7515 ;; Remove this article from future suppression.
7516 (gnus-dup-unsuppress-article article)
7517 (gnus-request-move-article
7518 article ; Article to move
7519 gnus-newsgroup-name ; From newsgroup
7520 (nth 1 (gnus-find-method-for-group
7521 gnus-newsgroup-name)) ; Server
7522 (list 'gnus-request-accept-article
7523 to-newsgroup (list 'quote select-method)
7524 (not articles) t) ; Accept form
7525 (not articles))) ; Only save nov last time
7526 ;; Copy the article.
7529 (set-buffer copy-buf)
7530 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
7531 (gnus-request-accept-article
7532 to-newsgroup select-method (not articles) t))))
7533 ;; Crosspost the article.
7534 ((eq action 'crosspost)
7535 (let ((xref (message-tokenize-header
7536 (mail-header-xref (gnus-summary-article-header article))
7538 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
7541 (setq xref (list (system-name))))
7544 (mapconcat 'identity
7545 (delete "Xref:" (delete new-xref xref))
7549 (set-buffer copy-buf)
7550 ;; First put the article in the destination group.
7551 (gnus-request-article-this-buffer article gnus-newsgroup-name)
7552 (when (consp (setq art-group
7553 (gnus-request-accept-article
7554 to-newsgroup select-method (not articles))))
7555 (setq new-xref (concat new-xref " " (car art-group)
7556 ":" (cdr art-group)))
7557 ;; Now we have the new Xrefs header, so we insert
7558 ;; it and replace the new article.
7559 (nnheader-replace-header "Xref" new-xref)
7560 (gnus-request-replace-article
7561 (cdr art-group) to-newsgroup (current-buffer))
7565 (gnus-message 1 "Couldn't %s article %s: %s"
7566 (cadr (assq action names)) article
7567 (nnheader-get-report (car to-method))))
7568 ((eq art-group 'junk)
7569 (when (eq action 'move)
7570 (gnus-summary-mark-article article gnus-canceled-mark)
7571 (gnus-message 4 "Deleted article %s" article)))
7573 (let* ((pto-group (gnus-group-prefixed-name
7574 (car art-group) to-method))
7576 (gnus-gethash pto-group gnus-newsrc-hashtb))
7577 (info (nth 2 entry))
7578 (to-group (gnus-info-group info))
7580 ;; Update the group that has been moved to.
7582 (memq action '(move copy)))
7583 (unless (member to-group to-groups)
7584 (push to-group to-groups))
7586 (unless (memq article gnus-newsgroup-unreads)
7587 (push 'read to-marks)
7589 info (gnus-add-to-range (gnus-info-read info)
7590 (list (cdr art-group)))))
7592 ;; See whether the article is to be put in the cache.
7593 (let ((marks gnus-article-mark-lists)
7594 (to-article (cdr art-group)))
7596 ;; Enter the article into the cache in the new group,
7597 ;; if that is required.
7598 (when gnus-use-cache
7599 (gnus-cache-possibly-enter-article
7601 (memq article gnus-newsgroup-marked)
7602 (memq article gnus-newsgroup-dormant)
7603 (memq article gnus-newsgroup-unreads)))
7605 (when gnus-preserve-marks
7606 ;; Copy any marks over to the new group.
7607 (when (and (equal to-group gnus-newsgroup-name)
7608 (not (memq article gnus-newsgroup-unreads)))
7609 ;; Mark this article as read in this group.
7610 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
7611 (setcdr (gnus-active to-group) to-article)
7612 (setcdr gnus-newsgroup-active to-article))
7615 (when (memq article (symbol-value
7616 (intern (format "gnus-newsgroup-%s"
7618 (push (cdar marks) to-marks)
7619 ;; If the other group is the same as this group,
7620 ;; then we have to add the mark to the list.
7621 (when (equal to-group gnus-newsgroup-name)
7622 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
7625 (intern (format "gnus-newsgroup-%s"
7627 ;; Copy the marks to other group.
7628 (gnus-add-marked-articles
7629 to-group (cdar marks) (list to-article) info))
7630 (setq marks (cdr marks)))
7632 (gnus-request-set-mark to-group (list (list (list to-article)
7637 (concat "(gnus-group-set-info '"
7638 (gnus-prin1-to-string (gnus-get-info to-group))
7641 ;; Update the Xref header in this article to point to
7642 ;; the new crossposted article we have just created.
7643 (when (eq action 'crosspost)
7645 (set-buffer copy-buf)
7646 (gnus-request-article-this-buffer article gnus-newsgroup-name)
7647 (nnheader-replace-header "Xref" new-xref)
7648 (gnus-request-replace-article
7649 article gnus-newsgroup-name (current-buffer)))))
7651 ;;;!!!Why is this necessary?
7652 (set-buffer gnus-summary-buffer)
7654 (gnus-summary-goto-subject article)
7655 (when (eq action 'move)
7656 (gnus-summary-mark-article article gnus-canceled-mark))))
7657 (gnus-summary-remove-process-mark article))
7658 ;; Re-activate all groups that have been moved to.
7661 (set-buffer gnus-group-buffer)
7662 (when (gnus-group-goto-group (car to-groups) t)
7663 (gnus-group-get-new-news-this-group 1 t))
7666 (gnus-kill-buffer copy-buf)
7667 (gnus-summary-position-point)
7668 (gnus-set-mode-line 'summary)))
7670 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
7671 "Move the current article to a different newsgroup.
7672 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
7673 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
7674 re-spool using this method."
7676 (gnus-summary-move-article n to-newsgroup select-method 'copy))
7678 (defun gnus-summary-crosspost-article (&optional n)
7679 "Crosspost the current article to some other group."
7681 (gnus-summary-move-article n nil nil 'crosspost))
7683 (defcustom gnus-summary-respool-default-method nil
7684 "Default method for respooling an article.
7685 If nil, use to the current newsgroup method."
7686 :type '(choice (gnus-select-method :value (nnml ""))
7688 :group 'gnus-summary-mail)
7690 (defun gnus-summary-respool-article (&optional n method)
7691 "Respool the current article.
7692 The article will be squeezed through the mail spooling process again,
7693 which means that it will be put in some mail newsgroup or other
7694 depending on `nnmail-split-methods'.
7695 If N is a positive number, respool the N next articles.
7696 If N is a negative number, respool the N previous articles.
7697 If N is nil and any articles have been marked with the process mark,
7698 respool those articles instead.
7700 Respooling can be done both from mail groups and \"real\" newsgroups.
7701 In the former case, the articles in question will be moved from the
7702 current group into whatever groups they are destined to. In the
7703 latter case, they will be copied into the relevant groups."
7705 (list current-prefix-arg
7706 (let* ((methods (gnus-methods-using 'respool))
7708 (symbol-name (or gnus-summary-respool-default-method
7709 (car (gnus-find-method-for-group
7710 gnus-newsgroup-name)))))
7712 (gnus-completing-read
7713 methname "What backend do you want to use when respooling?"
7714 methods nil t nil 'gnus-mail-method-history))
7717 ((zerop (length (setq ms (gnus-servers-using-backend
7719 (list (intern method) ""))
7723 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
7724 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
7727 (error "No method given for respooling"))
7728 (if (assoc (symbol-name
7729 (car (gnus-find-method-for-group gnus-newsgroup-name)))
7730 (gnus-methods-using 'respool))
7731 (gnus-summary-move-article n nil method)
7732 (gnus-summary-copy-article n nil method)))
7734 (defun gnus-summary-import-article (file)
7735 "Import an arbitrary file into a mail newsgroup."
7736 (interactive "fImport file: ")
7737 (let ((group gnus-newsgroup-name)
7738 (now (current-time))
7740 (unless (gnus-check-backend-function 'request-accept-article group)
7741 (error "%s does not support article importing" group))
7742 (or (file-readable-p file)
7743 (not (file-regular-p file))
7744 (error "Can't read %s" file))
7746 (set-buffer (gnus-get-buffer-create " *import file*"))
7748 (nnheader-insert-file-contents file)
7749 (goto-char (point-min))
7750 (unless (nnheader-article-p)
7751 ;; This doesn't look like an article, so we fudge some headers.
7752 (setq atts (file-attributes file)
7753 lines (count-lines (point-min) (point-max)))
7754 (insert "From: " (read-string "From: ") "\n"
7755 "Subject: " (read-string "Subject: ") "\n"
7756 "Date: " (message-make-date (nth 5 atts))
7758 "Message-ID: " (message-make-message-id) "\n"
7759 "Lines: " (int-to-string lines) "\n"
7760 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
7761 (gnus-request-accept-article group nil t)
7762 (kill-buffer (current-buffer)))))
7764 (defun gnus-summary-article-posted-p ()
7765 "Say whether the current (mail) article is available from news as well.
7766 This will be the case if the article has both been mailed and posted."
7768 (let ((id (mail-header-references (gnus-summary-article-header)))
7769 (gnus-override-method (car (gnus-refer-article-methods))))
7770 (if (gnus-request-head id "")
7771 (gnus-message 2 "The current message was found on %s"
7772 gnus-override-method)
7773 (gnus-message 2 "The current message couldn't be found on %s"
7774 gnus-override-method)
7777 (defun gnus-summary-expire-articles (&optional now)
7778 "Expire all articles that are marked as expirable in the current group."
7780 (when (gnus-check-backend-function
7781 'request-expire-articles gnus-newsgroup-name)
7782 ;; This backend supports expiry.
7783 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
7784 (expirable (if total
7786 ;; We need to update the info for
7787 ;; this group for `gnus-list-of-read-articles'
7788 ;; to give us the right answer.
7789 (gnus-run-hooks 'gnus-exit-group-hook)
7790 (gnus-summary-update-info)
7791 (gnus-list-of-read-articles gnus-newsgroup-name))
7792 (setq gnus-newsgroup-expirable
7793 (sort gnus-newsgroup-expirable '<))))
7794 (expiry-wait (if now 'immediate
7795 (gnus-group-find-parameter
7796 gnus-newsgroup-name 'expiry-wait)))
7797 (nnmail-expiry-target
7798 (or (gnus-group-find-parameter gnus-newsgroup-name 'expiry-target)
7799 nnmail-expiry-target))
7802 ;; There are expirable articles in this group, so we run them
7803 ;; through the expiry process.
7804 (gnus-message 6 "Expiring articles...")
7805 (unless (gnus-check-group gnus-newsgroup-name)
7806 (error "Can't open server for %s" gnus-newsgroup-name))
7807 ;; The list of articles that weren't expired is returned.
7810 (let ((nnmail-expiry-wait-function nil)
7811 (nnmail-expiry-wait expiry-wait))
7812 (setq es (gnus-request-expire-articles
7813 expirable gnus-newsgroup-name)))
7814 (setq es (gnus-request-expire-articles
7815 expirable gnus-newsgroup-name)))
7817 (setq gnus-newsgroup-expirable es))
7818 ;; We go through the old list of expirable, and mark all
7819 ;; really expired articles as nonexistent.
7820 (unless (eq es expirable) ;If nothing was expired, we don't mark.
7821 (let ((gnus-use-cache nil))
7823 (unless (memq (car expirable) es)
7824 (when (gnus-data-find (car expirable))
7825 (gnus-summary-mark-article
7826 (car expirable) gnus-canceled-mark)))
7827 (setq expirable (cdr expirable))))))
7828 (gnus-message 6 "Expiring articles...done")))))
7830 (defun gnus-summary-expire-articles-now ()
7831 "Expunge all expirable articles in the current group.
7832 This means that *all* articles that are marked as expirable will be
7833 deleted forever, right now."
7835 (or gnus-expert-user
7837 "Are you really, really, really sure you want to delete all these messages? ")
7839 (gnus-summary-expire-articles t))
7841 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
7842 (defun gnus-summary-delete-article (&optional n)
7843 "Delete the N next (mail) articles.
7844 This command actually deletes articles. This is not a marking
7845 command. The article will disappear forever from your life, never to
7847 If N is negative, delete backwards.
7848 If N is nil and articles have been marked with the process mark,
7849 delete these instead."
7851 (unless (gnus-check-backend-function 'request-expire-articles
7852 gnus-newsgroup-name)
7853 (error "The current newsgroup does not support article deletion"))
7854 (unless (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
7855 (error "Couldn't open server"))
7856 ;; Compute the list of articles to delete.
7857 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
7859 (if (and gnus-novice-user
7860 (not (gnus-yes-or-no-p
7861 (format "Do you really want to delete %s forever? "
7862 (if (> (length articles) 1)
7863 (format "these %s articles" (length articles))
7866 ;; Delete the articles.
7867 (setq not-deleted (gnus-request-expire-articles
7868 articles gnus-newsgroup-name 'force))
7870 (gnus-summary-remove-process-mark (car articles))
7871 ;; The backend might not have been able to delete the article
7873 (unless (memq (car articles) not-deleted)
7874 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
7875 (setq articles (cdr articles)))
7877 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
7878 (gnus-summary-position-point)
7879 (gnus-set-mode-line 'summary)
7882 (defun gnus-summary-edit-article (&optional arg)
7883 "Edit the current article.
7884 This will have permanent effect only in mail groups.
7885 If ARG is nil, edit the decoded articles.
7886 If ARG is 1, edit the raw articles.
7887 If ARG is 2, edit the raw articles even in read-only groups.
7888 If ARG is 3, edit the articles with the current handles.
7889 Otherwise, allow editing of articles even in read-only
7892 (let (force raw current-handles)
7895 ((eq arg 1) (setq raw t))
7896 ((eq arg 2) (setq raw t
7898 ((eq arg 3) (setq current-handles
7899 (and (gnus-buffer-live-p gnus-article-buffer)
7900 (with-current-buffer gnus-article-buffer
7902 gnus-article-mime-handles
7903 (setq gnus-article-mime-handles nil))))))
7905 (if (and raw (not force) (equal gnus-newsgroup-name "nndraft:drafts"))
7906 (error "Can't edit the raw article in group nndraft:drafts."))
7908 (set-buffer gnus-summary-buffer)
7909 (let ((mail-parse-charset gnus-newsgroup-charset)
7910 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
7911 (gnus-set-global-variables)
7912 (when (and (not force)
7913 (gnus-group-read-only-p))
7914 (error "The current newsgroup does not support article editing"))
7915 (gnus-summary-show-article t)
7916 (when (and (not raw) (gnus-buffer-live-p gnus-article-buffer))
7917 (with-current-buffer gnus-article-buffer
7918 (mm-enable-multibyte-mule4)))
7919 (if (equal gnus-newsgroup-name "nndraft:drafts")
7921 (gnus-article-edit-article
7924 (let ((mbl mml-buffer-list))
7925 (setq mml-buffer-list nil)
7926 (mime-to-mml ,'current-handles)
7927 (make-local-hook 'kill-buffer-hook)
7928 (let ((mbl1 mml-buffer-list))
7929 (setq mml-buffer-list mbl)
7930 (set (make-local-variable 'mml-buffer-list) mbl1))
7931 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t))))
7932 `(lambda (no-highlight)
7933 (let ((mail-parse-charset ',gnus-newsgroup-charset)
7934 (message-options message-options)
7935 (message-options-set-recipient)
7936 (mail-parse-ignored-charsets
7937 ',gnus-newsgroup-ignored-charsets))
7938 ,(if (not raw) '(progn
7940 (mml-destroy-buffers)
7941 (remove-hook 'kill-buffer-hook
7942 'mml-destroy-buffers t)
7943 (kill-local-variable 'mml-buffer-list)))
7944 (gnus-summary-edit-article-done
7945 ,(or (mail-header-references gnus-current-headers) "")
7946 ,(gnus-group-read-only-p)
7947 ,gnus-summary-buffer no-highlight))))))))
7949 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
7951 (defun gnus-summary-edit-article-done (&optional references read-only buffer
7953 "Make edits to the current article permanent."
7956 ;; The buffer restriction contains the entire article if it exists.
7957 (when (article-goto-body)
7958 (let ((lines (count-lines (point) (point-max)))
7959 (length (- (point-max) (point)))
7960 (case-fold-search t)
7961 (body (copy-marker (point))))
7962 (goto-char (point-min))
7963 (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t)
7964 (delete-region (match-beginning 1) (match-end 1))
7965 (insert (number-to-string length)))
7966 (goto-char (point-min))
7967 (when (re-search-forward
7968 "^x-content-length:[ \t]\\([0-9]+\\)" body t)
7969 (delete-region (match-beginning 1) (match-end 1))
7970 (insert (number-to-string length)))
7971 (goto-char (point-min))
7972 (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t)
7973 (delete-region (match-beginning 1) (match-end 1))
7974 (insert (number-to-string lines))))))
7975 ;; Replace the article.
7976 (let ((buf (current-buffer)))
7978 (insert-buffer-substring buf)
7980 (if (and (not read-only)
7981 (not (gnus-request-replace-article
7982 (cdr gnus-article-current) (car gnus-article-current)
7983 (current-buffer) t)))
7984 (error "Couldn't replace article")
7985 ;; Update the summary buffer.
7987 (equal (message-tokenize-header references " ")
7988 (message-tokenize-header
7989 (or (message-fetch-field "references") "") " ")))
7990 ;; We only have to update this line.
7993 (message-narrow-to-head)
7994 (let ((head (buffer-string))
7997 (insert (format "211 %d Article retrieved.\n"
7998 (cdr gnus-article-current)))
8001 (let ((nntp-server-buffer (current-buffer)))
8002 (setq header (car (gnus-get-newsgroup-headers
8004 (set-buffer gnus-summary-buffer)
8005 gnus-newsgroup-dependencies)
8008 (set-buffer gnus-summary-buffer)
8009 (gnus-data-set-header
8010 (gnus-data-find (cdr gnus-article-current))
8012 (gnus-summary-update-article-line
8013 (cdr gnus-article-current) header))))))
8015 (set-buffer (or buffer gnus-summary-buffer))
8016 (gnus-summary-update-article (cdr gnus-article-current)))
8017 ;; Prettify the article buffer again.
8018 (unless no-highlight
8020 (set-buffer gnus-article-buffer)
8021 ;;;!!! Fix this -- article should be rehighlighted.
8022 ;;;(gnus-run-hooks 'gnus-article-display-hook)
8023 (set-buffer gnus-original-article-buffer)
8024 (gnus-request-article
8025 (cdr gnus-article-current)
8026 (car gnus-article-current) (current-buffer))))
8027 ;; Prettify the summary buffer line.
8028 (when (gnus-visual-p 'summary-highlight 'highlight)
8029 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
8031 (defun gnus-summary-edit-wash (key)
8032 "Perform editing command KEY in the article buffer."
8036 (message "%s" (concat (this-command-keys) "- "))
8039 (gnus-summary-edit-article)
8040 (execute-kbd-macro (concat (this-command-keys) key))
8041 (gnus-article-edit-done))
8045 (defun gnus-summary-respool-query (&optional silent trace)
8046 "Query where the respool algorithm would put this article."
8048 (let (gnus-mark-article-hook)
8049 (gnus-summary-select-article)
8051 (set-buffer gnus-original-article-buffer)
8053 (message-narrow-to-head)
8054 (let ((groups (nnmail-article-group 'identity trace)))
8057 (message "This message would go to %s"
8058 (mapconcat 'car groups ", "))
8059 (message "This message would go to no groups"))
8062 (defun gnus-summary-respool-trace ()
8063 "Trace where the respool algorithm would put this article.
8064 Display a buffer showing all fancy splitting patterns which matched."
8066 (gnus-summary-respool-query nil t))
8068 ;; Summary marking commands.
8070 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
8071 "Mark articles which has the same subject as read, and then select the next.
8072 If UNMARK is positive, remove any kind of mark.
8073 If UNMARK is negative, tick articles."
8076 (setq unmark (prefix-numeric-value unmark)))
8078 (gnus-summary-mark-same-subject
8079 (gnus-summary-article-subject) unmark)))
8080 ;; Select next unread article. If auto-select-same mode, should
8081 ;; select the first unread article.
8082 (gnus-summary-next-article t (and gnus-auto-select-same
8083 (gnus-summary-article-subject)))
8084 (gnus-message 7 "%d article%s marked as %s"
8085 count (if (= count 1) " is" "s are")
8086 (if unmark "unread" "read"))))
8088 (defun gnus-summary-kill-same-subject (&optional unmark)
8089 "Mark articles which has the same subject as read.
8090 If UNMARK is positive, remove any kind of mark.
8091 If UNMARK is negative, tick articles."
8094 (setq unmark (prefix-numeric-value unmark)))
8096 (gnus-summary-mark-same-subject
8097 (gnus-summary-article-subject) unmark)))
8098 ;; If marked as read, go to next unread subject.
8100 ;; Go to next unread subject.
8101 (gnus-summary-next-subject 1 t))
8102 (gnus-message 7 "%d articles are marked as %s"
8103 count (if unmark "unread" "read"))))
8105 (defun gnus-summary-mark-same-subject (subject &optional unmark)
8106 "Mark articles with same SUBJECT as read, and return marked number.
8107 If optional argument UNMARK is positive, remove any kinds of marks.
8108 If optional argument UNMARK is negative, mark articles as unread instead."
8112 ((null unmark) ; Mark as read.
8115 (gnus-summary-mark-article-as-read gnus-killed-mark)
8116 (gnus-summary-show-thread) t)
8117 (gnus-summary-find-subject subject))
8118 (setq count (1+ count))))
8119 ((> unmark 0) ; Tick.
8122 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
8123 (gnus-summary-show-thread) t)
8124 (gnus-summary-find-subject subject))
8125 (setq count (1+ count))))
8126 (t ; Mark as unread.
8129 (gnus-summary-mark-article-as-unread gnus-unread-mark)
8130 (gnus-summary-show-thread) t)
8131 (gnus-summary-find-subject subject))
8132 (setq count (1+ count)))))
8133 (gnus-set-mode-line 'summary)
8134 ;; Return the number of marked articles.
8137 (defun gnus-summary-mark-as-processable (n &optional unmark)
8138 "Set the process mark on the next N articles.
8139 If N is negative, mark backward instead. If UNMARK is non-nil, remove
8140 the process mark instead. The difference between N and the actual
8141 number of articles marked is returned."
8143 (let ((backward (< n 0))
8148 (gnus-summary-remove-process-mark
8149 (gnus-summary-article-number))
8150 (gnus-summary-set-process-mark (gnus-summary-article-number)))
8151 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
8154 (gnus-message 7 "No more articles"))
8155 (gnus-summary-recenter)
8156 (gnus-summary-position-point)
8159 (defun gnus-summary-unmark-as-processable (n)
8160 "Remove the process mark from the next N articles.
8161 If N is negative, unmark backward instead. The difference between N and
8162 the actual number of articles unmarked is returned."
8164 (gnus-summary-mark-as-processable n t))
8166 (defun gnus-summary-unmark-all-processable ()
8167 "Remove the process mark from all articles."
8170 (while gnus-newsgroup-processable
8171 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
8172 (gnus-summary-position-point))
8174 (defun gnus-summary-mark-as-expirable (n)
8175 "Mark N articles forward as expirable.
8176 If N is negative, mark backward instead. The difference between N and
8177 the actual number of articles marked is returned."
8179 (gnus-summary-mark-forward n gnus-expirable-mark))
8181 (defun gnus-summary-mark-article-as-replied (article)
8182 "Mark ARTICLE replied and update the summary line."
8183 (push article gnus-newsgroup-replied)
8184 (let ((buffer-read-only nil))
8185 (when (gnus-summary-goto-subject article nil t)
8186 (gnus-summary-update-secondary-mark article))))
8188 (defun gnus-summary-set-bookmark (article)
8189 "Set a bookmark in current article."
8190 (interactive (list (gnus-summary-article-number)))
8191 (when (or (not (get-buffer gnus-article-buffer))
8192 (not gnus-current-article)
8193 (not gnus-article-current)
8194 (not (equal gnus-newsgroup-name (car gnus-article-current))))
8195 (error "No current article selected"))
8196 ;; Remove old bookmark, if one exists.
8197 (let ((old (assq article gnus-newsgroup-bookmarks)))
8199 (setq gnus-newsgroup-bookmarks
8200 (delq old gnus-newsgroup-bookmarks))))
8201 ;; Set the new bookmark, which is on the form
8202 ;; (article-number . line-number-in-body).
8206 (set-buffer gnus-article-buffer)
8210 (goto-char (point-min))
8211 (search-forward "\n\n" nil t)
8214 gnus-newsgroup-bookmarks)
8215 (gnus-message 6 "A bookmark has been added to the current article."))
8217 (defun gnus-summary-remove-bookmark (article)
8218 "Remove the bookmark from the current article."
8219 (interactive (list (gnus-summary-article-number)))
8220 ;; Remove old bookmark, if one exists.
8221 (let ((old (assq article gnus-newsgroup-bookmarks)))
8224 (setq gnus-newsgroup-bookmarks
8225 (delq old gnus-newsgroup-bookmarks))
8226 (gnus-message 6 "Removed bookmark."))
8227 (gnus-message 6 "No bookmark in current article."))))
8229 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
8230 (defun gnus-summary-mark-as-dormant (n)
8231 "Mark N articles forward as dormant.
8232 If N is negative, mark backward instead. The difference between N and
8233 the actual number of articles marked is returned."
8235 (gnus-summary-mark-forward n gnus-dormant-mark))
8237 (defun gnus-summary-set-process-mark (article)
8238 "Set the process mark on ARTICLE and update the summary line."
8239 (setq gnus-newsgroup-processable
8241 (delq article gnus-newsgroup-processable)))
8242 (when (gnus-summary-goto-subject article)
8243 (gnus-summary-show-thread)
8244 (gnus-summary-goto-subject article)
8245 (gnus-summary-update-secondary-mark article)))
8247 (defun gnus-summary-remove-process-mark (article)
8248 "Remove the process mark from ARTICLE and update the summary line."
8249 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
8250 (when (gnus-summary-goto-subject article)
8251 (gnus-summary-show-thread)
8252 (gnus-summary-goto-subject article)
8253 (gnus-summary-update-secondary-mark article)))
8255 (defun gnus-summary-set-saved-mark (article)
8256 "Set the process mark on ARTICLE and update the summary line."
8257 (push article gnus-newsgroup-saved)
8258 (when (gnus-summary-goto-subject article)
8259 (gnus-summary-update-secondary-mark article)))
8261 (defun gnus-summary-mark-forward (n &optional mark no-expire)
8262 "Mark N articles as read forwards.
8263 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
8264 The difference between N and the actual number of articles marked is
8266 Iff NO-EXPIRE, auto-expiry will be inhibited."
8268 (gnus-summary-show-thread)
8269 (let ((backward (< n 0))
8270 (gnus-summary-goto-unread
8271 (and gnus-summary-goto-unread
8272 (not (eq gnus-summary-goto-unread 'never))
8273 (not (memq mark (list gnus-unread-mark
8274 gnus-ticked-mark gnus-dormant-mark)))))
8276 (mark (or mark gnus-del-mark)))
8278 (gnus-summary-mark-article nil mark no-expire)
8279 (zerop (gnus-summary-next-subject
8281 (and gnus-summary-goto-unread
8282 (not (eq gnus-summary-goto-unread 'never)))
8286 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
8287 (gnus-summary-recenter)
8288 (gnus-summary-position-point)
8289 (gnus-set-mode-line 'summary)
8292 (defun gnus-summary-mark-article-as-read (mark)
8293 "Mark the current article quickly as read with MARK."
8294 (let ((article (gnus-summary-article-number)))
8295 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
8296 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
8297 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
8298 (push (cons article mark) gnus-newsgroup-reads)
8299 ;; Possibly remove from cache, if that is used.
8300 (when gnus-use-cache
8301 (gnus-cache-enter-remove-article article))
8302 ;; Allow the backend to change the mark.
8303 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
8304 ;; Check for auto-expiry.
8305 (when (and gnus-newsgroup-auto-expire
8306 (memq mark gnus-auto-expirable-marks))
8307 (setq mark gnus-expirable-mark)
8308 ;; Let the backend know about the mark change.
8309 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
8310 (push article gnus-newsgroup-expirable))
8311 ;; Set the mark in the buffer.
8312 (gnus-summary-update-mark mark 'unread)
8315 (defun gnus-summary-mark-article-as-unread (mark)
8316 "Mark the current article quickly as unread with MARK."
8317 (let* ((article (gnus-summary-article-number))
8318 (old-mark (gnus-summary-article-mark article)))
8319 ;; Allow the backend to change the mark.
8320 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
8321 (if (eq mark old-mark)
8325 (gnus-error 1 "Can't mark negative article numbers")
8327 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
8328 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
8329 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
8330 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
8331 (cond ((= mark gnus-ticked-mark)
8332 (push article gnus-newsgroup-marked))
8333 ((= mark gnus-dormant-mark)
8334 (push article gnus-newsgroup-dormant))
8336 (push article gnus-newsgroup-unreads)))
8337 (gnus-pull article gnus-newsgroup-reads)
8339 ;; See whether the article is to be put in the cache.
8341 (vectorp (gnus-summary-article-header article))
8343 (gnus-cache-possibly-enter-article
8344 gnus-newsgroup-name article
8345 (= mark gnus-ticked-mark)
8346 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
8349 (gnus-summary-update-mark mark 'unread)
8352 (defun gnus-summary-mark-article (&optional article mark no-expire)
8353 "Mark ARTICLE with MARK. MARK can be any character.
8354 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
8355 `??' (dormant) and `?E' (expirable).
8356 If MARK is nil, then the default character `?r' is used.
8357 If ARTICLE is nil, then the article on the current line will be
8359 Iff NO-EXPIRE, auto-expiry will be inhibited."
8360 ;; The mark might be a string.
8361 (when (stringp mark)
8362 (setq mark (aref mark 0)))
8363 ;; If no mark is given, then we check auto-expiring.
8365 (setq mark gnus-del-mark))
8366 (when (and (not no-expire)
8367 gnus-newsgroup-auto-expire
8368 (memq mark gnus-auto-expirable-marks))
8369 (setq mark gnus-expirable-mark))
8370 (let ((article (or article (gnus-summary-article-number)))
8371 (old-mark (gnus-summary-article-mark article)))
8372 ;; Allow the backend to change the mark.
8373 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
8374 (if (eq mark old-mark)
8377 (error "No article on current line"))
8378 (if (not (if (or (= mark gnus-unread-mark)
8379 (= mark gnus-ticked-mark)
8380 (= mark gnus-dormant-mark))
8381 (gnus-mark-article-as-unread article mark)
8382 (gnus-mark-article-as-read article mark)))
8384 ;; See whether the article is to be put in the cache.
8386 (not (= mark gnus-canceled-mark))
8387 (vectorp (gnus-summary-article-header article))
8389 (gnus-cache-possibly-enter-article
8390 gnus-newsgroup-name article
8391 (= mark gnus-ticked-mark)
8392 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
8394 (when (gnus-summary-goto-subject article nil t)
8395 (let ((buffer-read-only nil))
8396 (gnus-summary-show-thread)
8398 (gnus-summary-update-mark mark 'unread)
8401 (defun gnus-summary-update-secondary-mark (article)
8402 "Update the secondary (read, process, cache) mark."
8403 (gnus-summary-update-mark
8404 (cond ((memq article gnus-newsgroup-processable)
8406 ((memq article gnus-newsgroup-cached)
8408 ((memq article gnus-newsgroup-replied)
8410 ((memq article gnus-newsgroup-saved)
8412 (t gnus-unread-mark))
8414 (when (gnus-visual-p 'summary-highlight 'highlight)
8415 (gnus-run-hooks 'gnus-summary-update-hook))
8418 (defun gnus-summary-update-mark (mark type)
8419 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
8420 (buffer-read-only nil))
8421 (re-search-backward "[\n\r]" (gnus-point-at-bol) 'move-to-limit)
8423 (when (looking-at "\r")
8425 (when (<= (+ forward (point)) (point-max))
8426 ;; Go to the right position on the line.
8427 (goto-char (+ forward (point)))
8428 ;; Replace the old mark with the new mark.
8429 (subst-char-in-region (point) (1+ (point)) (char-after) mark)
8430 ;; Optionally update the marks by some user rule.
8431 (when (eq type 'unread)
8433 (gnus-data-find (gnus-summary-article-number)) mark)
8434 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
8436 (defun gnus-mark-article-as-read (article &optional mark)
8437 "Enter ARTICLE in the pertinent lists and remove it from others."
8438 ;; Make the article expirable.
8439 (let ((mark (or mark gnus-del-mark)))
8440 (if (= mark gnus-expirable-mark)
8441 (push article gnus-newsgroup-expirable)
8442 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)))
8443 ;; Remove from unread and marked lists.
8444 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
8445 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
8446 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
8447 (push (cons article mark) gnus-newsgroup-reads)
8448 ;; Possibly remove from cache, if that is used.
8449 (when gnus-use-cache
8450 (gnus-cache-enter-remove-article article))
8453 (defun gnus-mark-article-as-unread (article &optional mark)
8454 "Enter ARTICLE in the pertinent lists and remove it from others."
8455 (let ((mark (or mark gnus-ticked-mark)))
8458 (gnus-error 1 "Can't mark negative article numbers")
8460 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
8461 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
8462 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
8463 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
8465 ;; Unsuppress duplicates?
8466 (when gnus-suppress-duplicates
8467 (gnus-dup-unsuppress-article article))
8469 (cond ((= mark gnus-ticked-mark)
8470 (push article gnus-newsgroup-marked))
8471 ((= mark gnus-dormant-mark)
8472 (push article gnus-newsgroup-dormant))
8474 (push article gnus-newsgroup-unreads)))
8475 (gnus-pull article gnus-newsgroup-reads)
8478 (defalias 'gnus-summary-mark-as-unread-forward
8479 'gnus-summary-tick-article-forward)
8480 (make-obsolete 'gnus-summary-mark-as-unread-forward
8481 'gnus-summary-tick-article-forward)
8482 (defun gnus-summary-tick-article-forward (n)
8483 "Tick N articles forwards.
8484 If N is negative, tick backwards instead.
8485 The difference between N and the number of articles ticked is returned."
8487 (gnus-summary-mark-forward n gnus-ticked-mark))
8489 (defalias 'gnus-summary-mark-as-unread-backward
8490 'gnus-summary-tick-article-backward)
8491 (make-obsolete 'gnus-summary-mark-as-unread-backward
8492 'gnus-summary-tick-article-backward)
8493 (defun gnus-summary-tick-article-backward (n)
8494 "Tick N articles backwards.
8495 The difference between N and the number of articles ticked is returned."
8497 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
8499 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
8500 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
8501 (defun gnus-summary-tick-article (&optional article clear-mark)
8502 "Mark current article as unread.
8503 Optional 1st argument ARTICLE specifies article number to be marked as unread.
8504 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
8506 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
8509 (defun gnus-summary-mark-as-read-forward (n)
8510 "Mark N articles as read forwards.
8511 If N is negative, mark backwards instead.
8512 The difference between N and the actual number of articles marked is
8515 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
8517 (defun gnus-summary-mark-as-read-backward (n)
8518 "Mark the N articles as read backwards.
8519 The difference between N and the actual number of articles marked is
8522 (gnus-summary-mark-forward
8523 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
8525 (defun gnus-summary-mark-as-read (&optional article mark)
8526 "Mark current article as read.
8527 ARTICLE specifies the article to be marked as read.
8528 MARK specifies a string to be inserted at the beginning of the line."
8529 (gnus-summary-mark-article article mark))
8531 (defun gnus-summary-clear-mark-forward (n)
8532 "Clear marks from N articles forward.
8533 If N is negative, clear backward instead.
8534 The difference between N and the number of marks cleared is returned."
8536 (gnus-summary-mark-forward n gnus-unread-mark))
8538 (defun gnus-summary-clear-mark-backward (n)
8539 "Clear marks from N articles backward.
8540 The difference between N and the number of marks cleared is returned."
8542 (gnus-summary-mark-forward (- n) gnus-unread-mark))
8544 (defun gnus-summary-mark-unread-as-read ()
8545 "Intended to be used by `gnus-summary-mark-article-hook'."
8546 (when (memq gnus-current-article gnus-newsgroup-unreads)
8547 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
8549 (defun gnus-summary-mark-read-and-unread-as-read ()
8550 "Intended to be used by `gnus-summary-mark-article-hook'."
8551 (let ((mark (gnus-summary-article-mark)))
8552 (when (or (gnus-unread-mark-p mark)
8553 (gnus-read-mark-p mark))
8554 (gnus-summary-mark-article gnus-current-article gnus-read-mark))))
8556 (defun gnus-summary-mark-region-as-read (point mark all)
8557 "Mark all unread articles between point and mark as read.
8558 If given a prefix, mark all articles between point and mark as read,
8559 even ticked and dormant ones."
8560 (interactive "r\nP")
8569 (memq (setq article (gnus-summary-article-number))
8570 gnus-newsgroup-unreads))
8571 (gnus-summary-mark-article article gnus-del-mark))
8573 (gnus-summary-find-next))))))
8575 (defun gnus-summary-mark-below (score mark)
8576 "Mark articles with score less than SCORE with MARK."
8577 (interactive "P\ncMark: ")
8578 (setq score (if score
8579 (prefix-numeric-value score)
8580 (or gnus-summary-default-score 0)))
8582 (set-buffer gnus-summary-buffer)
8583 (goto-char (point-min))
8586 (and (< (gnus-summary-article-score) score)
8587 (gnus-summary-mark-article nil mark))
8588 (gnus-summary-find-next)))))
8590 (defun gnus-summary-kill-below (&optional score)
8591 "Mark articles with score below SCORE as read."
8593 (gnus-summary-mark-below score gnus-killed-mark))
8595 (defun gnus-summary-clear-above (&optional score)
8596 "Clear all marks from articles with score above SCORE."
8598 (gnus-summary-mark-above score gnus-unread-mark))
8600 (defun gnus-summary-tick-above (&optional score)
8601 "Tick all articles with score above SCORE."
8603 (gnus-summary-mark-above score gnus-ticked-mark))
8605 (defun gnus-summary-mark-above (score mark)
8606 "Mark articles with score over SCORE with MARK."
8607 (interactive "P\ncMark: ")
8608 (setq score (if score
8609 (prefix-numeric-value score)
8610 (or gnus-summary-default-score 0)))
8612 (set-buffer gnus-summary-buffer)
8613 (goto-char (point-min))
8615 (when (> (gnus-summary-article-score) score)
8616 (gnus-summary-mark-article nil mark))
8618 (gnus-summary-find-next)))))
8620 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
8621 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
8622 (defun gnus-summary-limit-include-expunged (&optional no-error)
8623 "Display all the hidden articles that were expunged for low scores."
8625 (let ((buffer-read-only nil))
8626 (let ((scored gnus-newsgroup-scored)
8629 (unless (gnus-summary-goto-subject (caar scored))
8630 (and (setq h (gnus-summary-article-header (caar scored)))
8631 (< (cdar scored) gnus-summary-expunge-below)
8633 (setq scored (cdr scored)))
8635 (when (not no-error)
8636 (error "No expunged articles hidden"))
8637 (goto-char (point-min))
8638 (gnus-summary-prepare-unthreaded (nreverse headers))
8639 (goto-char (point-min))
8640 (gnus-summary-position-point)
8643 (defun gnus-summary-catchup (&optional all quietly to-here not-mark)
8644 "Mark all unread articles in this newsgroup as read.
8645 If prefix argument ALL is non-nil, ticked and dormant articles will
8646 also be marked as read.
8647 If QUIETLY is non-nil, no questions will be asked.
8648 If TO-HERE is non-nil, it should be a point in the buffer. All
8649 articles before this point will be marked as read.
8650 Note that this function will only catch up the unread article
8651 in the current summary buffer limitation.
8652 The number of articles marked as read is returned."
8657 (not gnus-interactive-catchup) ;Without confirmation?
8661 "Mark absolutely all articles as read? "
8662 "Mark all unread articles as read? ")))
8664 (not gnus-newsgroup-adaptive)
8665 (not gnus-newsgroup-auto-expire)
8666 (not gnus-suppress-duplicates)
8667 (or (not gnus-use-cache)
8668 (eq gnus-use-cache 'passive)))
8671 (setq gnus-newsgroup-marked nil
8672 gnus-newsgroup-dormant nil))
8673 (setq gnus-newsgroup-unreads gnus-newsgroup-downloadable))
8674 ;; We actually mark all articles as canceled, which we
8675 ;; have to do when using auto-expiry or adaptive scoring.
8676 (gnus-summary-show-all-threads)
8677 (when (gnus-summary-first-subject (not all) t)
8679 (if to-here (< (point) to-here) t)
8680 (gnus-summary-mark-article-as-read gnus-catchup-mark)
8681 (gnus-summary-find-next (not all) nil nil t))))
8682 (gnus-set-mode-line 'summary))
8684 (gnus-summary-position-point)))
8686 (defun gnus-summary-catchup-to-here (&optional all)
8687 "Mark all unticked articles before the current one as read.
8688 If ALL is non-nil, also mark ticked and dormant articles as read."
8691 (gnus-save-hidden-threads
8692 (let ((beg (point)))
8693 ;; We check that there are unread articles.
8694 (when (or all (gnus-summary-find-prev))
8695 (gnus-summary-catchup all t beg)))))
8696 (gnus-summary-position-point))
8698 (defun gnus-summary-catchup-all (&optional quietly)
8699 "Mark all articles in this newsgroup as read."
8701 (gnus-summary-catchup t quietly))
8703 (defun gnus-summary-catchup-and-exit (&optional all quietly)
8704 "Mark all unread articles in this group as read, then exit.
8705 If prefix argument ALL is non-nil, all articles are marked as read."
8707 (when (gnus-summary-catchup all quietly nil 'fast)
8708 ;; Select next newsgroup or exit.
8709 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
8710 (eq gnus-auto-select-next 'quietly))
8711 (gnus-summary-next-group nil)
8712 (gnus-summary-exit))))
8714 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
8715 "Mark all articles in this newsgroup as read, and then exit."
8717 (gnus-summary-catchup-and-exit t quietly))
8719 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
8720 "Mark all articles in this group as read and select the next group.
8721 If given a prefix, mark all articles, unread as well as ticked, as
8725 (gnus-summary-catchup all))
8726 (gnus-summary-next-group))
8732 (defmacro gnus-with-article (article &rest forms)
8733 "Select ARTICLE and perform FORMS in the original article buffer.
8734 Then replace the article with the result."
8736 ;; We don't want the article to be marked as read.
8737 (let (gnus-mark-article-hook)
8738 (gnus-summary-select-article t t nil ,article))
8739 (set-buffer gnus-original-article-buffer)
8741 (if (not (gnus-check-backend-function
8742 'request-replace-article (car gnus-article-current)))
8743 (gnus-message 5 "Read-only group; not replacing")
8744 (unless (gnus-request-replace-article
8745 ,article (car gnus-article-current)
8747 (error "Couldn't replace article")))
8748 ;; The cache and backlog have to be flushed somewhat.
8749 (when gnus-keep-backlog
8750 (gnus-backlog-remove-article
8751 (car gnus-article-current) (cdr gnus-article-current)))
8752 (when gnus-use-cache
8753 (gnus-cache-update-article
8754 (car gnus-article-current) (cdr gnus-article-current)))))
8756 (put 'gnus-with-article 'lisp-indent-function 1)
8757 (put 'gnus-with-article 'edebug-form-spec '(form body))
8759 ;; Thread-based commands.
8761 (defun gnus-summary-articles-in-thread (&optional article)
8762 "Return a list of all articles in the current thread.
8763 If ARTICLE is non-nil, return all articles in the thread that starts
8765 (let* ((article (or article (gnus-summary-article-number)))
8766 (data (gnus-data-find-list article))
8767 (top-level (gnus-data-level (car data)))
8769 (cond ((null gnus-thread-operation-ignore-subject)
8770 (gnus-simplify-subject-re
8771 (mail-header-subject (gnus-data-header (car data)))))
8772 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
8773 (gnus-simplify-subject-fuzzy
8774 (mail-header-subject (gnus-data-header (car data)))))
8776 (end-point (save-excursion
8777 (if (gnus-summary-go-to-next-thread)
8778 (point) (point-max))))
8781 (< (gnus-data-pos (car data)) end-point))
8782 (when (or (not top-subject)
8783 (string= top-subject
8784 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
8785 (gnus-simplify-subject-fuzzy
8786 (mail-header-subject
8787 (gnus-data-header (car data))))
8788 (gnus-simplify-subject-re
8789 (mail-header-subject
8790 (gnus-data-header (car data)))))))
8791 (push (gnus-data-number (car data)) articles))
8792 (unless (and (setq data (cdr data))
8793 (> (gnus-data-level (car data)) top-level))
8795 ;; Return the list of articles.
8796 (nreverse articles)))
8798 (defun gnus-summary-rethread-current ()
8799 "Rethread the thread the current article is part of."
8801 (let* ((gnus-show-threads t)
8802 (article (gnus-summary-article-number))
8803 (id (mail-header-id (gnus-summary-article-header)))
8804 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
8806 (error "No article on the current line"))
8807 (gnus-rebuild-thread id)
8808 (gnus-summary-goto-subject article)))
8810 (defun gnus-summary-reparent-thread ()
8811 "Make the current article child of the marked (or previous) article.
8813 Note that the re-threading will only work if `gnus-thread-ignore-subject'
8814 is non-nil or the Subject: of both articles are the same."
8816 (unless (not (gnus-group-read-only-p))
8817 (error "The current newsgroup does not support article editing"))
8818 (unless (<= (length gnus-newsgroup-processable) 1)
8819 (error "No more than one article may be marked"))
8820 (save-window-excursion
8821 (let ((gnus-article-buffer " *reparent*")
8822 (current-article (gnus-summary-article-number))
8823 ;; First grab the marked article, otherwise one line up.
8824 (parent-article (if (not (null gnus-newsgroup-processable))
8825 (car gnus-newsgroup-processable)
8827 (if (eq (forward-line -1) 0)
8828 (gnus-summary-article-number)
8829 (error "Beginning of summary buffer"))))))
8830 (unless (not (eq current-article parent-article))
8831 (error "An article may not be self-referential"))
8832 (let ((message-id (mail-header-id
8833 (gnus-summary-article-header parent-article))))
8834 (unless (and message-id (not (equal message-id "")))
8835 (error "No message-id in desired parent"))
8836 (gnus-with-article current-article
8838 (goto-char (point-min))
8839 (message-narrow-to-head)
8840 (if (re-search-forward "^References: " nil t)
8842 (re-search-forward "^[^ \t]" nil t)
8845 (insert " " message-id))
8846 (insert "References: " message-id "\n"))))
8847 (set-buffer gnus-summary-buffer)
8848 (gnus-summary-unmark-all-processable)
8849 (gnus-summary-update-article current-article)
8850 (gnus-summary-rethread-current)
8851 (gnus-message 3 "Article %d is now the child of article %d"
8852 current-article parent-article)))))
8854 (defun gnus-summary-toggle-threads (&optional arg)
8855 "Toggle showing conversation threads.
8856 If ARG is positive number, turn showing conversation threads on."
8858 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
8859 (setq gnus-show-threads
8860 (if (null arg) (not gnus-show-threads)
8861 (> (prefix-numeric-value arg) 0)))
8862 (gnus-summary-prepare)
8863 (gnus-summary-goto-subject current)
8864 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
8865 (gnus-summary-position-point)))
8867 (defun gnus-summary-show-all-threads ()
8871 (let ((buffer-read-only nil))
8872 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
8873 (gnus-summary-position-point))
8875 (defun gnus-summary-show-thread ()
8876 "Show thread subtrees.
8877 Returns nil if no thread was there to be shown."
8879 (let ((buffer-read-only nil)
8881 ;; first goto end then to beg, to have point at beg after let
8882 (end (progn (end-of-line) (point)))
8883 (beg (progn (beginning-of-line) (point))))
8885 ;; Any hidden lines here?
8886 (search-forward "\r" end t)
8887 (subst-char-in-region beg end ?\^M ?\n t)
8889 (gnus-summary-position-point))))
8891 (defun gnus-summary-hide-all-threads ()
8892 "Hide all thread subtrees."
8895 (goto-char (point-min))
8896 (gnus-summary-hide-thread)
8897 (while (zerop (gnus-summary-next-thread 1 t))
8898 (gnus-summary-hide-thread)))
8899 (gnus-summary-position-point))
8901 (defun gnus-summary-hide-thread ()
8902 "Hide thread subtrees.
8903 Returns nil if no threads were there to be hidden."
8905 (let ((buffer-read-only nil)
8907 (article (gnus-summary-article-number)))
8909 ;; Go forward until either the buffer ends or the subthread
8911 (when (and (not (eobp))
8912 (or (zerop (gnus-summary-next-thread 1 t))
8913 (goto-char (point-max))))
8915 (if (and (> (point) start)
8916 (search-backward "\n" start t))
8918 (subst-char-in-region start (point) ?\n ?\^M)
8919 (gnus-summary-goto-subject article))
8923 (defun gnus-summary-go-to-next-thread (&optional previous)
8924 "Go to the same level (or less) next thread.
8925 If PREVIOUS is non-nil, go to previous thread instead.
8926 Return the article number moved to, or nil if moving was impossible."
8927 (let ((level (gnus-summary-thread-level))
8928 (way (if previous -1 1))
8931 (while (and (not (eobp))
8932 (< level (gnus-summary-thread-level)))
8940 (gnus-summary-article-number)
8943 (defun gnus-summary-next-thread (n &optional silent)
8944 "Go to the same level next N'th thread.
8945 If N is negative, search backward instead.
8946 Returns the difference between N and the number of skips actually
8949 If SILENT, don't output messages."
8951 (let ((backward (< n 0))
8954 (gnus-summary-go-to-next-thread backward))
8957 (gnus-summary-position-point))
8958 (when (and (not silent) (/= 0 n))
8959 (gnus-message 7 "No more threads"))
8962 (defun gnus-summary-prev-thread (n)
8963 "Go to the same level previous N'th thread.
8964 Returns the difference between N and the number of skips actually
8967 (gnus-summary-next-thread (- n)))
8969 (defun gnus-summary-go-down-thread ()
8970 "Go down one level in the current thread."
8971 (let ((children (gnus-summary-article-children)))
8973 (gnus-summary-goto-subject (car children)))))
8975 (defun gnus-summary-go-up-thread ()
8976 "Go up one level in the current thread."
8977 (let ((parent (gnus-summary-article-parent)))
8979 (gnus-summary-goto-subject parent))))
8981 (defun gnus-summary-down-thread (n)
8982 "Go down thread N steps.
8983 If N is negative, go up instead.
8984 Returns the difference between N and how many steps down that were
8990 (if up (gnus-summary-go-up-thread)
8991 (gnus-summary-go-down-thread)))
8993 (gnus-summary-position-point)
8995 (gnus-message 7 "Can't go further"))
8998 (defun gnus-summary-up-thread (n)
8999 "Go up thread N steps.
9000 If N is negative, go up instead.
9001 Returns the difference between N and how many steps down that were
9004 (gnus-summary-down-thread (- n)))
9006 (defun gnus-summary-top-thread ()
9007 "Go to the top of the thread."
9009 (while (gnus-summary-go-up-thread))
9010 (gnus-summary-article-number))
9012 (defun gnus-summary-kill-thread (&optional unmark)
9013 "Mark articles under current thread as read.
9014 If the prefix argument is positive, remove any kinds of marks.
9015 If the prefix argument is negative, tick articles instead."
9018 (setq unmark (prefix-numeric-value unmark)))
9019 (let ((articles (gnus-summary-articles-in-thread)))
9021 ;; Expand the thread.
9022 (gnus-summary-show-thread)
9023 ;; Mark all the articles.
9025 (gnus-summary-goto-subject (car articles))
9026 (cond ((null unmark)
9027 (gnus-summary-mark-article-as-read gnus-killed-mark))
9029 (gnus-summary-mark-article-as-unread gnus-unread-mark))
9031 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
9032 (setq articles (cdr articles))))
9033 ;; Hide killed subtrees.
9035 gnus-thread-hide-killed
9036 (gnus-summary-hide-thread))
9037 ;; If marked as read, go to next unread subject.
9039 ;; Go to next unread subject.
9040 (gnus-summary-next-subject 1 t)))
9041 (gnus-set-mode-line 'summary))
9043 ;; Summary sorting commands
9045 (defun gnus-summary-sort-by-number (&optional reverse)
9046 "Sort the summary buffer by article number.
9047 Argument REVERSE means reverse order."
9049 (gnus-summary-sort 'number reverse))
9051 (defun gnus-summary-sort-by-author (&optional reverse)
9052 "Sort the summary buffer by author name alphabetically.
9053 If `case-fold-search' is non-nil, case of letters is ignored.
9054 Argument REVERSE means reverse order."
9056 (gnus-summary-sort 'author reverse))
9058 (defun gnus-summary-sort-by-subject (&optional reverse)
9059 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
9060 If `case-fold-search' is non-nil, case of letters is ignored.
9061 Argument REVERSE means reverse order."
9063 (gnus-summary-sort 'subject reverse))
9065 (defun gnus-summary-sort-by-date (&optional reverse)
9066 "Sort the summary buffer by date.
9067 Argument REVERSE means reverse order."
9069 (gnus-summary-sort 'date reverse))
9071 (defun gnus-summary-sort-by-score (&optional reverse)
9072 "Sort the summary buffer by score.
9073 Argument REVERSE means reverse order."
9075 (gnus-summary-sort 'score reverse))
9077 (defun gnus-summary-sort-by-lines (&optional reverse)
9078 "Sort the summary buffer by the number of lines.
9079 Argument REVERSE means reverse order."
9081 (gnus-summary-sort 'lines reverse))
9083 (defun gnus-summary-sort-by-chars (&optional reverse)
9084 "Sort the summary buffer by article length.
9085 Argument REVERSE means reverse order."
9087 (gnus-summary-sort 'chars reverse))
9089 (defun gnus-summary-sort (predicate reverse)
9090 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
9091 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
9092 (article (intern (format "gnus-article-sort-by-%s" predicate)))
9093 (gnus-thread-sort-functions
9098 (gnus-sort-gathered-threads-function
9099 gnus-thread-sort-functions)
9100 (gnus-article-sort-functions
9106 (gnus-summary-prepare-hook nil))
9107 ;; We do the sorting by regenerating the threads.
9108 (gnus-summary-prepare)
9109 ;; Hide subthreads if needed.
9110 (when (and gnus-show-threads gnus-thread-hide-subtree)
9111 (gnus-summary-hide-all-threads))))
9113 ;; Summary saving commands.
9115 (defun gnus-summary-save-article (&optional n not-saved)
9116 "Save the current article using the default saver function.
9117 If N is a positive number, save the N next articles.
9118 If N is a negative number, save the N previous articles.
9119 If N is nil and any articles have been marked with the process mark,
9120 save those articles instead.
9121 The variable `gnus-default-article-saver' specifies the saver function."
9123 (let* ((articles (gnus-summary-work-articles n))
9124 (save-buffer (save-excursion
9125 (nnheader-set-temp-buffer " *Gnus Save*")))
9126 (num (length articles))
9128 (dolist (article articles)
9129 (setq header (gnus-summary-article-header article))
9130 (if (not (vectorp header))
9131 ;; This is a pseudo-article.
9132 (if (assq 'name header)
9133 (gnus-copy-file (cdr (assq 'name header)))
9134 (gnus-message 1 "Article %d is unsaveable" article))
9135 ;; This is a real article.
9136 (save-window-excursion
9137 (gnus-summary-select-article t nil nil article))
9139 (set-buffer save-buffer)
9141 (insert-buffer-substring gnus-original-article-buffer))
9142 (setq file (gnus-article-save save-buffer file num))
9143 (gnus-summary-remove-process-mark article)
9145 (gnus-summary-set-saved-mark article))))
9146 (gnus-kill-buffer save-buffer)
9147 (gnus-summary-position-point)
9148 (gnus-set-mode-line 'summary)
9151 (defun gnus-summary-pipe-output (&optional arg)
9152 "Pipe the current article to a subprocess.
9153 If N is a positive number, pipe the N next articles.
9154 If N is a negative number, pipe the N previous articles.
9155 If N is nil and any articles have been marked with the process mark,
9156 pipe those articles instead."
9158 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe))
9159 (gnus-summary-save-article arg t))
9160 (gnus-configure-windows 'pipe))
9162 (defun gnus-summary-save-article-mail (&optional arg)
9163 "Append the current article to an mail file.
9164 If N is a positive number, save the N next articles.
9165 If N is a negative number, save the N previous articles.
9166 If N is nil and any articles have been marked with the process mark,
9167 save those articles instead."
9169 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
9170 (gnus-summary-save-article arg)))
9172 (defun gnus-summary-save-article-rmail (&optional arg)
9173 "Append the current article to an rmail file.
9174 If N is a positive number, save the N next articles.
9175 If N is a negative number, save the N previous articles.
9176 If N is nil and any articles have been marked with the process mark,
9177 save those articles instead."
9179 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
9180 (gnus-summary-save-article arg)))
9182 (defun gnus-summary-save-article-file (&optional arg)
9183 "Append the current article to a file.
9184 If N is a positive number, save the N next articles.
9185 If N is a negative number, save the N previous articles.
9186 If N is nil and any articles have been marked with the process mark,
9187 save those articles instead."
9189 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
9190 (gnus-summary-save-article arg)))
9192 (defun gnus-summary-write-article-file (&optional arg)
9193 "Write the current article to a file, deleting the previous file.
9194 If N is a positive number, save the N next articles.
9195 If N is a negative number, save the N previous articles.
9196 If N is nil and any articles have been marked with the process mark,
9197 save those articles instead."
9199 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
9200 (gnus-summary-save-article arg)))
9202 (defun gnus-summary-save-article-body-file (&optional arg)
9203 "Append the current article body to a file.
9204 If N is a positive number, save the N next articles.
9205 If N is a negative number, save the N previous articles.
9206 If N is nil and any articles have been marked with the process mark,
9207 save those articles instead."
9209 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
9210 (gnus-summary-save-article arg)))
9212 (defun gnus-summary-pipe-message (program)
9213 "Pipe the current article through PROGRAM."
9214 (interactive "sProgram: ")
9215 (gnus-summary-select-article)
9216 (let ((mail-header-separator ""))
9217 (gnus-eval-in-buffer-window gnus-article-buffer
9220 (let ((start (window-start))
9222 (message-pipe-buffer-body program)
9223 (set-window-start (get-buffer-window (current-buffer)) start))))))
9225 (defun gnus-get-split-value (methods)
9226 "Return a value based on the split METHODS."
9227 (let (split-name method result match)
9230 (set-buffer gnus-original-article-buffer)
9232 (nnheader-narrow-to-headers)
9233 (while (and methods (not split-name))
9234 (goto-char (point-min))
9235 (setq method (pop methods))
9236 (setq match (car method))
9239 ;; Regular expression.
9241 (re-search-forward match nil t)))
9242 ((gnus-functionp match)
9246 (setq result (funcall match gnus-newsgroup-name))))
9251 (setq result (eval match)))))
9252 (setq split-name (cdr method))
9253 (cond ((stringp result)
9254 (push (expand-file-name
9255 result gnus-article-save-directory)
9258 (setq split-name (append result split-name)))))))))
9259 (nreverse split-name)))
9261 (defun gnus-valid-move-group-p (group)
9264 (symbol-value group)
9265 (gnus-get-function (gnus-find-method-for-group
9266 (symbol-name group)) 'request-accept-article t)))
9268 (defun gnus-read-move-group-name (prompt default articles prefix)
9269 "Read a group name."
9270 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
9271 (minibuffer-confirm-incomplete nil) ; XEmacs
9275 (if (> (length articles) 1)
9276 (format "these %d articles" (length articles))
9281 (gnus-completing-read default prom
9283 'gnus-valid-move-group-p
9285 'gnus-group-history))
9286 ((= 1 (length split-name))
9287 (gnus-completing-read (car split-name) prom
9289 'gnus-valid-move-group-p
9291 'gnus-group-history))
9293 (gnus-completing-read nil prom
9294 (mapcar (lambda (el) (list el))
9295 (nreverse split-name))
9297 'gnus-group-history))))
9298 (to-method (gnus-server-to-method (gnus-group-method to-newsgroup))))
9300 (if (or (string= to-newsgroup "")
9301 (string= to-newsgroup prefix))
9302 (setq to-newsgroup default))
9303 (unless to-newsgroup
9304 (error "No group name entered"))
9305 (or (gnus-active to-newsgroup)
9306 (gnus-activate-group to-newsgroup nil nil to-method)
9307 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
9309 (or (and (gnus-request-create-group to-newsgroup to-method)
9310 (gnus-activate-group
9311 to-newsgroup nil nil to-method)
9312 (gnus-subscribe-group to-newsgroup))
9313 (error "Couldn't create group %s" to-newsgroup)))
9314 (error "No such group: %s" to-newsgroup)))
9317 (defun gnus-summary-save-parts (type dir n &optional reverse)
9318 "Save parts matching TYPE to DIR.
9319 If REVERSE, save parts that do not match TYPE."
9321 (list (read-string "Save parts of type: "
9322 (or (car gnus-summary-save-parts-type-history)
9323 gnus-summary-save-parts-default-mime)
9324 'gnus-summary-save-parts-type-history)
9325 (setq gnus-summary-save-parts-last-directory
9326 (read-file-name "Save to directory: "
9327 gnus-summary-save-parts-last-directory
9329 current-prefix-arg))
9330 (gnus-summary-iterate n
9331 (let ((gnus-display-mime-function nil)
9332 (gnus-inhibit-treatment t))
9333 (gnus-summary-select-article))
9335 (set-buffer gnus-article-buffer)
9336 (let ((handles (or gnus-article-mime-handles
9337 (mm-dissect-buffer) (mm-uu-dissect))))
9339 (gnus-summary-save-parts-1 type dir handles reverse)
9340 (unless gnus-article-mime-handles ;; Don't destroy this case.
9341 (mm-destroy-parts handles)))))))
9343 (defun gnus-summary-save-parts-1 (type dir handle reverse)
9344 (if (stringp (car handle))
9345 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
9348 (not (string-match type (mm-handle-media-type handle)))
9349 (string-match type (mm-handle-media-type handle)))
9350 (let ((file (expand-file-name
9351 (file-name-nondirectory
9353 (mail-content-type-get
9354 (mm-handle-disposition handle) 'filename)
9355 (concat gnus-newsgroup-name
9356 "." (number-to-string
9357 (cdr gnus-article-current)))))
9359 (unless (file-exists-p file)
9360 (mm-save-part-to-file handle file))))))
9362 ;; Summary extract commands
9364 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
9365 (let ((buffer-read-only nil)
9366 (article (gnus-summary-article-number))
9368 (unless (gnus-summary-goto-subject article)
9369 (error "No such article: %d" article))
9370 (gnus-summary-position-point)
9371 ;; If all commands are to be bunched up on one line, we collect
9373 (unless gnus-view-pseudos-separately
9374 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
9377 (setq action (cdr (assq 'action (car ps))))
9378 (setq files (list (cdr (assq 'name (car ps)))))
9379 (while (and ps (cdr ps)
9380 (string= (or action "1")
9381 (or (cdr (assq 'action (cadr ps))) "2")))
9382 (push (cdr (assq 'name (cadr ps))) files)
9383 (setcdr ps (cddr ps)))
9385 (when (not (string-match "%s" action))
9388 (when (assq 'execute (car ps))
9389 (setcdr (assq 'execute (car ps))
9390 (funcall (if (string-match "%s" action)
9399 (setq ps (cdr ps)))))
9400 (if (and gnus-view-pseudos (not not-view))
9402 (when (assq 'execute (car pslist))
9403 (gnus-execute-command (cdr (assq 'execute (car pslist)))
9404 (eq gnus-view-pseudos 'not-confirm)))
9405 (setq pslist (cdr pslist)))
9408 (setq after-article (or (cdr (assq 'article (car pslist)))
9409 (gnus-summary-article-number)))
9410 (gnus-summary-goto-subject after-article)
9413 (insert " " (file-name-nondirectory
9414 (cdr (assq 'name (car pslist))))
9415 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
9417 (forward-line -1) ; back to `b'
9418 (gnus-add-text-properties
9419 b (1- e) (list 'gnus-number gnus-reffed-article-number
9420 gnus-mouse-face-prop gnus-mouse-face))
9422 after-article gnus-reffed-article-number
9423 gnus-unread-mark b (car pslist) 0 (- e b))
9424 (push gnus-reffed-article-number gnus-newsgroup-unreads)
9425 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
9426 (setq pslist (cdr pslist)))))))
9428 (defun gnus-pseudos< (p1 p2)
9429 (let ((c1 (cdr (assq 'action p1)))
9430 (c2 (cdr (assq 'action p2))))
9431 (and c1 c2 (string< c1 c2))))
9433 (defun gnus-request-pseudo-article (props)
9434 (cond ((assq 'execute props)
9435 (gnus-execute-command (cdr (assq 'execute props)))))
9436 (let ((gnus-current-article (gnus-summary-article-number)))
9437 (gnus-run-hooks 'gnus-mark-article-hook)))
9439 (defun gnus-execute-command (command &optional automatic)
9441 (gnus-article-setup-buffer)
9442 (set-buffer gnus-article-buffer)
9443 (setq buffer-read-only nil)
9444 (let ((command (if automatic command
9445 (read-string "Command: " (cons command 0)))))
9447 (insert "$ " command "\n\n")
9448 (if gnus-view-pseudo-asynchronously
9449 (start-process "gnus-execute" (current-buffer) shell-file-name
9450 shell-command-switch command)
9451 (call-process shell-file-name nil t nil
9452 shell-command-switch command)))))
9454 ;; Summary kill commands.
9456 (defun gnus-summary-edit-global-kill (article)
9457 "Edit the \"global\" kill file."
9458 (interactive (list (gnus-summary-article-number)))
9459 (gnus-group-edit-global-kill article))
9461 (defun gnus-summary-edit-local-kill ()
9462 "Edit a local kill file applied to the current newsgroup."
9464 (setq gnus-current-headers (gnus-summary-article-header))
9465 (gnus-group-edit-local-kill
9466 (gnus-summary-article-number) gnus-newsgroup-name))
9470 (defun gnus-read-header (id &optional header)
9471 "Read the headers of article ID and enter them into the Gnus system."
9472 (let ((group gnus-newsgroup-name)
9473 (gnus-override-method
9475 gnus-override-method
9476 (and (gnus-news-group-p gnus-newsgroup-name)
9477 (car (gnus-refer-article-methods)))))
9479 ;; First we check to see whether the header in question is already
9482 ;; This is a Message-ID.
9483 (setq header (or header (gnus-id-to-header id)))
9484 ;; This is an article number.
9485 (setq header (or header (gnus-summary-article-header id))))
9487 (not (gnus-summary-article-sparse-p (mail-header-number header))))
9488 ;; We have found the header.
9490 ;; If this is a sparse article, we have to nix out its
9491 ;; previous entry in the thread hashtb.
9493 (gnus-summary-article-sparse-p (mail-header-number header)))
9494 (let* ((parent (gnus-parent-id (mail-header-references header)))
9495 (thread (and parent (gnus-id-to-thread parent))))
9497 (delq (assq header thread) thread))))
9498 ;; We have to really fetch the header to this article.
9500 (set-buffer nntp-server-buffer)
9501 (when (setq where (gnus-request-head id group))
9502 (nnheader-fold-continuation-lines)
9503 (goto-char (point-max))
9505 (goto-char (point-min))
9509 ((cdr where) (cdr where))
9510 (header (mail-header-number header))
9511 (t gnus-reffed-article-number))
9513 (insert " Article retrieved.\n"))
9515 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
9516 () ; Malformed head.
9517 (unless (gnus-summary-article-sparse-p (mail-header-number header))
9518 (when (and (stringp id)
9519 (not (string= (gnus-group-real-name group)
9521 ;; If we fetched by Message-ID and the article came
9522 ;; from a different group, we fudge some bogus article
9523 ;; numbers for this article.
9524 (mail-header-set-number header gnus-reffed-article-number))
9526 (set-buffer gnus-summary-buffer)
9527 (decf gnus-reffed-article-number)
9528 (gnus-remove-header (mail-header-number header))
9529 (push header gnus-newsgroup-headers)
9530 (setq gnus-current-headers header)
9531 (push (mail-header-number header) gnus-newsgroup-limit)))
9534 (defun gnus-remove-header (number)
9535 "Remove header NUMBER from `gnus-newsgroup-headers'."
9536 (if (and gnus-newsgroup-headers
9537 (= number (mail-header-number (car gnus-newsgroup-headers))))
9538 (pop gnus-newsgroup-headers)
9539 (let ((headers gnus-newsgroup-headers))
9540 (while (and (cdr headers)
9541 (not (= number (mail-header-number (cadr headers)))))
9544 (setcdr headers (cddr headers))))))
9547 ;;; summary highlights
9550 (defun gnus-highlight-selected-summary ()
9551 "Highlight selected article in summary buffer."
9552 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
9553 (when gnus-summary-selected-face
9555 (let* ((beg (progn (beginning-of-line) (point)))
9556 (end (progn (end-of-line) (point)))
9557 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
9558 (from (if (get-text-property beg gnus-mouse-face-prop)
9560 (or (next-single-property-change
9561 beg gnus-mouse-face-prop nil end)
9566 (or (next-single-property-change
9567 from gnus-mouse-face-prop nil end)
9569 ;; If no mouse-face prop on line we will have to = from = end,
9570 ;; so we highlight the entire line instead.
9571 (when (= (+ to 2) from)
9574 (if gnus-newsgroup-selected-overlay
9575 ;; Move old overlay.
9577 gnus-newsgroup-selected-overlay from to (current-buffer))
9578 ;; Create new overlay.
9580 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
9581 'face gnus-summary-selected-face))))))
9583 ;; New implementation by Christian Limpach <Christian.Limpach@nice.ch>.
9584 (defun gnus-summary-highlight-line ()
9585 "Highlight current line according to `gnus-summary-highlight'."
9586 (let* ((list gnus-summary-highlight)
9588 (end (progn (end-of-line) (point)))
9589 ;; now find out where the line starts and leave point there.
9590 (beg (progn (beginning-of-line) (point)))
9591 (article (gnus-summary-article-number))
9592 (score (or (cdr (assq (or article gnus-current-article)
9593 gnus-newsgroup-scored))
9594 gnus-summary-default-score 0))
9595 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
9596 (inhibit-read-only t))
9597 ;; Eval the cars of the lists until we find a match.
9598 (let ((default gnus-summary-default-score))
9600 (not (eval (caar list))))
9601 (setq list (cdr list))))
9602 (let ((face (cdar list)))
9603 (unless (eq face (get-text-property beg 'face))
9604 (gnus-put-text-property-excluding-characters-with-faces
9606 (setq face (if (boundp face) (symbol-value face) face)))
9607 (when gnus-summary-highlight-line-function
9608 (funcall gnus-summary-highlight-line-function article face))))
9611 (defun gnus-update-read-articles (group unread &optional compute)
9612 "Update the list of read articles in GROUP."
9613 (let* ((active (or gnus-newsgroup-active (gnus-active group)))
9614 (entry (gnus-gethash group gnus-newsrc-hashtb))
9615 (info (nth 2 entry))
9617 (unread (sort (copy-sequence unread) '<))
9619 (if (or (not info) (not active))
9620 ;; There is no info on this group if it was, in fact,
9621 ;; killed. Gnus stores no information on killed groups, so
9622 ;; there's nothing to be done.
9623 ;; One could store the information somewhere temporarily,
9624 ;; perhaps... Hmmm...
9626 ;; Remove any negative articles numbers.
9627 (while (and unread (< (car unread) 0))
9628 (setq unread (cdr unread)))
9629 ;; Remove any expired article numbers
9630 (while (and unread (< (car unread) (car active)))
9631 (setq unread (cdr unread)))
9632 ;; Compute the ranges of read articles by looking at the list of
9635 (when (/= (car unread) prev)
9636 (push (if (= prev (1- (car unread))) prev
9637 (cons prev (1- (car unread))))
9639 (setq prev (1+ (car unread)))
9640 (setq unread (cdr unread)))
9641 (when (<= prev (cdr active))
9642 (push (cons prev (cdr active)) read))
9643 (setq read (if (> (length read) 1) (nreverse read) read))
9648 ;; Propagate the read marks to the backend.
9649 (when (gnus-check-backend-function 'request-set-mark group)
9650 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
9651 (add (gnus-remove-from-range read (gnus-info-read info))))
9653 (unless (gnus-check-group group)
9654 (error "Can't open server for %s" group))
9655 (gnus-request-set-mark
9656 group (delq nil (list (if add (list add 'add '(read)))
9657 (if del (list del 'del '(read))))))
9659 `(gnus-request-set-mark
9662 (if del (list del 'add '(read)))
9663 (if add (list add 'del '(read))))))))))
9664 (set-buffer gnus-group-buffer)
9667 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
9668 (gnus-info-set-read ',info ',(gnus-info-read info))
9669 (gnus-get-unread-articles-in-group ',info
9670 (gnus-active ,group))
9671 (gnus-group-update-group ,group t)
9673 ;; Enter this list into the group info.
9674 (gnus-info-set-read info read)
9675 ;; Set the number of unread articles in gnus-newsrc-hashtb.
9676 (gnus-get-unread-articles-in-group info (gnus-active group))
9679 (defun gnus-offer-save-summaries ()
9680 "Offer to save all active summary buffers."
9682 (let ((buflist (buffer-list))
9684 ;; Go through all buffers and find all summaries.
9686 (and (setq bufname (buffer-name (car buflist)))
9687 (string-match "Summary" bufname)
9689 (set-buffer bufname)
9690 ;; We check that this is, indeed, a summary buffer.
9691 (and (eq major-mode 'gnus-summary-mode)
9692 ;; Also make sure this isn't bogus.
9693 gnus-newsgroup-prepared
9694 ;; Also make sure that this isn't a dead summary buffer.
9695 (not gnus-dead-summary-mode)))
9696 (push bufname buffers))
9697 (setq buflist (cdr buflist)))
9698 ;; Go through all these summary buffers and offer to save them.
9701 "Update summary buffer %s? "
9703 (switch-to-buffer buf)
9704 (gnus-summary-exit))
9707 (defun gnus-summary-setup-default-charset ()
9708 "Setup newsgroup default charset."
9709 (if (equal gnus-newsgroup-name "nndraft:drafts")
9710 (setq gnus-newsgroup-charset nil)
9711 (let* ((name (and gnus-newsgroup-name
9712 (gnus-group-real-name gnus-newsgroup-name)))
9714 (or gnus-newsgroup-ephemeral-ignored-charsets
9716 (and gnus-newsgroup-name
9717 (or (gnus-group-find-parameter gnus-newsgroup-name
9718 'ignored-charsets t)
9719 (let ((alist gnus-group-ignored-charsets-alist)
9720 elem (charsets nil))
9721 (while (setq elem (pop alist))
9723 (string-match (car elem) name))
9725 charsets (cdr elem))))
9727 gnus-newsgroup-ignored-charsets))))
9728 (setq gnus-newsgroup-charset
9729 (or gnus-newsgroup-ephemeral-charset
9730 (and gnus-newsgroup-name
9731 (or (gnus-group-find-parameter gnus-newsgroup-name 'charset)
9732 (let ((alist gnus-group-charset-alist)
9734 (while (setq elem (pop alist))
9736 (string-match (car elem) name))
9738 charset (cadr elem))))
9740 gnus-default-charset))
9741 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
9742 ignored-charsets))))
9748 (defun gnus-summary-display-buttonized (&optional show-all-parts)
9749 "Display the current article buffer fully MIME-buttonized.
9750 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
9751 treated as multipart/mixed."
9754 (let ((gnus-unbuttonized-mime-types nil)
9755 (gnus-mime-display-multipart-as-mixed show-all-parts))
9756 (gnus-summary-show-article)))
9758 (defun gnus-summary-repair-multipart (article)
9759 "Add a Content-Type header to a multipart article without one."
9760 (interactive (list (gnus-summary-article-number)))
9761 (gnus-with-article article
9762 (message-narrow-to-head)
9763 (message-remove-header "Mime-Version")
9764 (goto-char (point-max))
9765 (insert "Mime-Version: 1.0\n")
9767 (when (search-forward "\n--" nil t)
9768 (let ((separator (buffer-substring (point) (gnus-point-at-eol))))
9769 (message-narrow-to-head)
9770 (message-remove-header "Content-Type")
9771 (goto-char (point-max))
9772 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
9775 (let (gnus-mark-article-hook)
9776 (gnus-summary-select-article t t nil article)))
9778 (defun gnus-summary-toggle-display-buttonized ()
9779 "Toggle the buttonizing of the article buffer."
9782 (if (setq gnus-inhibit-mime-unbuttonizing
9783 (not gnus-inhibit-mime-unbuttonizing))
9784 (let ((gnus-unbuttonized-mime-types nil))
9785 (gnus-summary-show-article))
9786 (gnus-summary-show-article)))
9789 ;;; Generic summary marking commands
9792 (defvar gnus-summary-marking-alist
9793 '((read gnus-del-mark "d")
9794 (unread gnus-unread-mark "u")
9795 (ticked gnus-ticked-mark "!")
9796 (dormant gnus-dormant-mark "?")
9797 (expirable gnus-expirable-mark "e"))
9798 "An alist of names/marks/keystrokes.")
9800 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
9801 (defvar gnus-summary-mark-map)
9803 (defun gnus-summary-make-all-marking-commands ()
9804 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
9805 (dolist (elem gnus-summary-marking-alist)
9806 (apply 'gnus-summary-make-marking-command elem)))
9808 (defun gnus-summary-make-marking-command (name mark keystroke)
9809 (let ((map (make-sparse-keymap)))
9810 (define-key gnus-summary-generic-mark-map keystroke map)
9811 (dolist (lway `((next "next" next nil "n")
9812 (next-unread "next unread" next t "N")
9813 (prev "previous" prev nil "p")
9814 (prev-unread "previous unread" prev t "P")
9815 (nomove "" nil nil ,keystroke)))
9816 (let ((func (gnus-summary-make-marking-command-1
9817 mark (car lway) lway name)))
9818 (setq func (eval func))
9819 (define-key map (nth 4 lway) func)))))
9821 (defun gnus-summary-make-marking-command-1 (mark way lway name)
9823 (format "gnus-summary-put-mark-as-%s%s"
9824 name (if (eq way 'nomove)
9826 (concat "-" (symbol-name way)))))
9829 "Mark the current article as %s%s.
9830 If N, the prefix, then repeat N times.
9831 If N is negative, move in reverse order.
9832 The difference between N and the actual number of articles marked is
9836 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
9838 (defun gnus-summary-generic-mark (n mark move unread)
9839 "Mark N articles with MARK."
9840 (unless (eq major-mode 'gnus-summary-mode)
9841 (error "This command can only be used in the summary buffer"))
9842 (gnus-summary-show-thread)
9846 ((eq move 'prev) -1)
9852 nummove (* -1 nummove))))
9854 (gnus-summary-mark-article nil mark)
9855 (zerop (gnus-summary-next-subject nummove unread t)))
9858 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
9859 (gnus-summary-recenter)
9860 (gnus-summary-position-point)
9861 (gnus-set-mode-line 'summary)
9864 (gnus-summary-make-all-marking-commands)
9870 (run-hooks 'gnus-sum-load-hook)
9872 ;;; gnus-sum.el ends here