1 ;;; gnus-sum.el --- summary mode commands for Gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002
3 ;; Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
29 (eval-when-compile (require 'cl))
41 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
42 (autoload 'gnus-cache-write-active "gnus-cache")
43 (autoload 'gnus-mailing-list-insinuate "gnus-ml" nil t)
44 (autoload 'turn-on-gnus-mailing-list-mode "gnus-ml" nil t)
45 (autoload 'mm-uu-dissect "mm-uu")
46 (autoload 'gnus-article-outlook-deuglify-article "deuglify"
47 "Deuglify broken Outlook (Express) articles and redisplay."
50 (defcustom gnus-kill-summary-on-exit t
51 "*If non-nil, kill the summary buffer when you exit from it.
52 If nil, the summary will become a \"*Dead Summary*\" buffer, and
53 it will be killed sometime later."
54 :group 'gnus-summary-exit
57 (defcustom gnus-fetch-old-headers nil
58 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
59 If an unread article in the group refers to an older, already read (or
60 just marked as read) article, the old article will not normally be
61 displayed in the Summary buffer. If this variable is non-nil, Gnus
62 will attempt to grab the headers to the old articles, and thereby
63 build complete threads. If it has the value `some', only enough
64 headers to connect otherwise loose threads will be displayed. This
65 variable can also be a number. In that case, no more than that number
66 of old headers will be fetched. If it has the value `invisible', all
67 old headers will be fetched, but none will be displayed.
69 The server has to support NOV for any of this to work."
71 :type '(choice (const :tag "off" nil)
74 (sexp :menu-tag "other" t)))
76 (defcustom gnus-refer-thread-limit 200
77 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
78 If t, fetch all the available old headers."
81 (sexp :menu-tag "other" t)))
83 (defcustom gnus-summary-make-false-root 'adopt
84 "*nil means that Gnus won't gather loose threads.
85 If the root of a thread has expired or been read in a previous
86 session, the information necessary to build a complete thread has been
87 lost. Instead of having many small sub-threads from this original thread
88 scattered all over the summary buffer, Gnus can gather them.
90 If non-nil, Gnus will try to gather all loose sub-threads from an
91 original thread into one large thread.
93 If this variable is non-nil, it should be one of `none', `adopt',
96 If this variable is `none', Gnus will not make a false root, but just
97 present the sub-threads after another.
98 If this variable is `dummy', Gnus will create a dummy root that will
99 have all the sub-threads as children.
100 If this variable is `adopt', Gnus will make one of the \"children\"
101 the parent and mark all the step-children as such.
102 If this variable is `empty', the \"children\" are printed with empty
103 subject fields. (Or rather, they will be printed with a string
104 given by the `gnus-summary-same-subject' variable.)"
106 :type '(choice (const :tag "off" nil)
112 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
113 "*A regexp to match subjects to be excluded from loose thread gathering.
114 As loose thread gathering is done on subjects only, that means that
115 there can be many false gatherings performed. By rooting out certain
116 common subjects, gathering might become saner."
120 (defcustom gnus-summary-gather-subject-limit nil
121 "*Maximum length of subject comparisons when gathering loose threads.
122 Use nil to compare full subjects. Setting this variable to a low
123 number will help gather threads that have been corrupted by
124 newsreaders chopping off subject lines, but it might also mean that
125 unrelated articles that have subject that happen to begin with the
126 same few characters will be incorrectly gathered.
128 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
131 :type '(choice (const :tag "off" nil)
133 (sexp :menu-tag "on" t)))
135 (defcustom gnus-simplify-subject-functions nil
136 "List of functions taking a string argument that simplify subjects.
137 The functions are applied recursively.
139 Useful functions to put in this list include:
140 `gnus-simplify-subject-re', `gnus-simplify-subject-fuzzy',
141 `gnus-simplify-whitespace', and `gnus-simplify-all-whitespace'."
143 :type '(repeat function))
145 (defcustom gnus-simplify-ignored-prefixes nil
146 "*Regexp, matches for which are removed from subject lines when simplifying fuzzily."
148 :type '(choice (const :tag "off" nil)
151 (defcustom gnus-build-sparse-threads nil
152 "*If non-nil, fill in the gaps in threads.
153 If `some', only fill in the gaps that are needed to tie loose threads
154 together. If `more', fill in all leaf nodes that Gnus can find. If
155 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
157 :type '(choice (const :tag "off" nil)
160 (sexp :menu-tag "all" t)))
162 (defcustom gnus-summary-thread-gathering-function
163 'gnus-gather-threads-by-subject
164 "*Function used for gathering loose threads.
165 There are two pre-defined functions: `gnus-gather-threads-by-subject',
166 which only takes Subjects into consideration; and
167 `gnus-gather-threads-by-references', which compared the References
168 headers of the articles to find matches."
170 :type '(radio (function-item gnus-gather-threads-by-subject)
171 (function-item gnus-gather-threads-by-references)
172 (function :tag "other")))
174 (defcustom gnus-summary-same-subject ""
175 "*String indicating that the current article has the same subject as the previous.
176 This variable will only be used if the value of
177 `gnus-summary-make-false-root' is `empty'."
178 :group 'gnus-summary-format
181 (defcustom gnus-summary-goto-unread t
182 "*If t, many commands will go to the next unread article.
183 This applies to marking commands as well as other commands that
184 \"naturally\" select the next article, like, for instance, `SPC' at
185 the end of an article.
187 If nil, the marking commands do NOT go to the next unread article
188 (they go to the next article instead). If `never', commands that
189 usually go to the next unread article, will go to the next article,
190 whether it is read or not."
191 :group 'gnus-summary-marks
192 :link '(custom-manual "(gnus)Setting Marks")
193 :type '(choice (const :tag "off" nil)
195 (sexp :menu-tag "on" t)))
197 (defcustom gnus-summary-default-score 0
198 "*Default article score level.
199 All scores generated by the score files will be added to this score.
200 If this variable is nil, scoring will be disabled."
201 :group 'gnus-score-default
202 :type '(choice (const :tag "disable")
205 (defcustom gnus-summary-default-high-score 0
206 "*Default threshold for a high scored article.
207 An article will be highlighted as high scored if its score is greater
209 :group 'gnus-score-default
212 (defcustom gnus-summary-default-low-score 0
213 "*Default threshold for a low scored article.
214 An article will be highlighted as low scored if its score is smaller
216 :group 'gnus-score-default
219 (defcustom gnus-summary-zcore-fuzz 0
220 "*Fuzziness factor for the zcore in the summary buffer.
221 Articles with scores closer than this to `gnus-summary-default-score'
223 :group 'gnus-summary-format
226 (defcustom gnus-simplify-subject-fuzzy-regexp nil
227 "*Strings to be removed when doing fuzzy matches.
228 This can either be a regular expression or list of regular expressions
229 that will be removed from subject strings if fuzzy subject
230 simplification is selected."
232 :type '(repeat regexp))
234 (defcustom gnus-show-threads t
235 "*If non-nil, display threads in summary mode."
239 (defcustom gnus-thread-hide-subtree nil
240 "*If non-nil, hide all threads initially.
241 This can be a predicate specifier which says which threads to hide.
242 If threads are hidden, you have to run the command
243 `gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
244 to expose hidden threads."
248 (defcustom gnus-thread-hide-killed t
249 "*If non-nil, hide killed threads automatically."
253 (defcustom gnus-thread-ignore-subject t
254 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
255 If nil, articles that have different subjects from their parents will
256 start separate threads."
260 (defcustom gnus-thread-operation-ignore-subject t
261 "*If non-nil, subjects will be ignored when doing thread commands.
262 This affects commands like `gnus-summary-kill-thread' and
263 `gnus-summary-lower-thread'.
265 If this variable is nil, articles in the same thread with different
266 subjects will not be included in the operation in question. If this
267 variable is `fuzzy', only articles that have subjects that are fuzzily
268 equal will be included."
270 :type '(choice (const :tag "off" nil)
274 (defcustom gnus-thread-indent-level 4
275 "*Number that says how much each sub-thread should be indented."
279 (defcustom gnus-auto-extend-newsgroup t
280 "*If non-nil, extend newsgroup forward and backward when requested."
281 :group 'gnus-summary-choose
284 (defcustom gnus-auto-select-first t
285 "*If non-nil, select the article under point.
286 Which article this is is controlled by the `gnus-auto-select-subject'
289 If you want to prevent automatic selection of articles in some
290 newsgroups, set the variable to nil in `gnus-select-group-hook'."
291 :group 'gnus-group-select
292 :type '(choice (const :tag "none" nil)
293 (sexp :menu-tag "first" t)))
295 (defcustom gnus-auto-select-subject 'unread
296 "*Says what subject to place under point when entering a group.
298 This variable can either be the symbols `first' (place point on the
299 first subject), `unread' (place point on the subject line of the first
300 unread article), `best' (place point on the subject line of the
301 higest-scored article), `unseen' (place point on the subject line of
302 the first unseen article), 'unseen-or-unread' (place point on the subject
303 line of the first unseen article or, if all article have been seen, on the
304 subject line of the first unread article), or a function to be called to
305 place point on some subject line."
306 :group 'gnus-group-select
307 :type '(choice (const best)
311 (const unseen-or-unread)))
313 (defcustom gnus-auto-select-next t
314 "*If non-nil, offer to go to the next group from the end of the previous.
315 If the value is t and the next newsgroup is empty, Gnus will exit
316 summary mode and go back to group mode. If the value is neither nil
317 nor t, Gnus will select the following unread newsgroup. In
318 particular, if the value is the symbol `quietly', the next unread
319 newsgroup will be selected without any confirmation, and if it is
320 `almost-quietly', the next group will be selected without any
321 confirmation if you are located on the last article in the group.
322 Finally, if this variable is `slightly-quietly', the `Z n' command
323 will go to the next group without confirmation."
324 :group 'gnus-summary-maneuvering
325 :type '(choice (const :tag "off" nil)
327 (const almost-quietly)
328 (const slightly-quietly)
329 (sexp :menu-tag "on" t)))
331 (defcustom gnus-auto-select-same nil
332 "*If non-nil, select the next article with the same subject.
333 If there are no more articles with the same subject, go to
334 the first unread article."
335 :group 'gnus-summary-maneuvering
338 (defcustom gnus-summary-check-current nil
339 "*If non-nil, consider the current article when moving.
340 The \"unread\" movement commands will stay on the same line if the
341 current article is unread."
342 :group 'gnus-summary-maneuvering
345 (defcustom gnus-auto-center-summary t
346 "*If non-nil, always center the current summary buffer.
347 In particular, if `vertical' do only vertical recentering. If non-nil
348 and non-`vertical', do both horizontal and vertical recentering."
349 :group 'gnus-summary-maneuvering
350 :type '(choice (const :tag "none" nil)
352 (integer :tag "height")
353 (sexp :menu-tag "both" t)))
355 (defcustom gnus-show-all-headers nil
356 "*If non-nil, don't hide any headers."
357 :group 'gnus-article-hiding
358 :group 'gnus-article-headers
361 (defcustom gnus-summary-ignore-duplicates nil
362 "*If non-nil, ignore articles with identical Message-ID headers."
366 (defcustom gnus-single-article-buffer t
367 "*If non-nil, display all articles in the same buffer.
368 If nil, each group will get its own article buffer."
369 :group 'gnus-article-various
372 (defcustom gnus-break-pages t
373 "*If non-nil, do page breaking on articles.
374 The page delimiter is specified by the `gnus-page-delimiter'
376 :group 'gnus-article-various
379 (defcustom gnus-move-split-methods nil
380 "*Variable used to suggest where articles are to be moved to.
381 It uses the same syntax as the `gnus-split-methods' variable.
382 However, whereas `gnus-split-methods' specifies file names as targets,
383 this variable specifies group names."
384 :group 'gnus-summary-mail
385 :type '(repeat (choice (list :value (fun) function)
386 (cons :value ("" "") regexp (repeat string))
389 (defcustom gnus-unread-mark ? ;Whitespace
390 "*Mark used for unread articles."
391 :group 'gnus-summary-marks
394 (defcustom gnus-ticked-mark ?!
395 "*Mark used for ticked articles."
396 :group 'gnus-summary-marks
399 (defcustom gnus-dormant-mark ??
400 "*Mark used for dormant articles."
401 :group 'gnus-summary-marks
404 (defcustom gnus-del-mark ?r
405 "*Mark used for del'd articles."
406 :group 'gnus-summary-marks
409 (defcustom gnus-read-mark ?R
410 "*Mark used for read articles."
411 :group 'gnus-summary-marks
414 (defcustom gnus-expirable-mark ?E
415 "*Mark used for expirable articles."
416 :group 'gnus-summary-marks
419 (defcustom gnus-killed-mark ?K
420 "*Mark used for killed articles."
421 :group 'gnus-summary-marks
424 (defcustom gnus-spam-mark ?H
425 "*Mark used for spam articles."
426 :group 'gnus-summary-marks
429 (defcustom gnus-souped-mark ?F
430 "*Mark used for souped articles."
431 :group 'gnus-summary-marks
434 (defcustom gnus-kill-file-mark ?X
435 "*Mark used for articles killed by kill files."
436 :group 'gnus-summary-marks
439 (defcustom gnus-low-score-mark ?Y
440 "*Mark used for articles with a low score."
441 :group 'gnus-summary-marks
444 (defcustom gnus-catchup-mark ?C
445 "*Mark used for articles that are caught up."
446 :group 'gnus-summary-marks
449 (defcustom gnus-replied-mark ?A
450 "*Mark used for articles that have been replied to."
451 :group 'gnus-summary-marks
454 (defcustom gnus-forwarded-mark ?F
455 "*Mark used for articles that have been forwarded."
456 :group 'gnus-summary-marks
459 (defcustom gnus-recent-mark ?N
460 "*Mark used for articles that are recent."
461 :group 'gnus-summary-marks
464 (defcustom gnus-cached-mark ?*
465 "*Mark used for articles that are in the cache."
466 :group 'gnus-summary-marks
469 (defcustom gnus-saved-mark ?S
470 "*Mark used for articles that have been saved."
471 :group 'gnus-summary-marks
474 (defcustom gnus-unseen-mark ?.
475 "*Mark used for articles that haven't been seen."
476 :group 'gnus-summary-marks
479 (defcustom gnus-no-mark ? ;Whitespace
480 "*Mark used for articles that have no other secondary mark."
481 :group 'gnus-summary-marks
484 (defcustom gnus-ancient-mark ?O
485 "*Mark used for ancient articles."
486 :group 'gnus-summary-marks
489 (defcustom gnus-sparse-mark ?Q
490 "*Mark used for sparsely reffed articles."
491 :group 'gnus-summary-marks
494 (defcustom gnus-canceled-mark ?G
495 "*Mark used for canceled articles."
496 :group 'gnus-summary-marks
499 (defcustom gnus-duplicate-mark ?M
500 "*Mark used for duplicate articles."
501 :group 'gnus-summary-marks
504 (defcustom gnus-undownloaded-mark ?@
505 "*Mark used for articles that weren't downloaded."
506 :group 'gnus-summary-marks
509 (defcustom gnus-downloadable-mark ?%
510 "*Mark used for articles that are to be downloaded."
511 :group 'gnus-summary-marks
514 (defcustom gnus-unsendable-mark ?=
515 "*Mark used for articles that won't be sent."
516 :group 'gnus-summary-marks
519 (defcustom gnus-score-over-mark ?+
520 "*Score mark used for articles with high scores."
521 :group 'gnus-summary-marks
524 (defcustom gnus-score-below-mark ?-
525 "*Score mark used for articles with low scores."
526 :group 'gnus-summary-marks
529 (defcustom gnus-empty-thread-mark ? ;Whitespace
530 "*There is no thread under the article."
531 :group 'gnus-summary-marks
534 (defcustom gnus-not-empty-thread-mark ?=
535 "*There is a thread under the article."
536 :group 'gnus-summary-marks
539 (defcustom gnus-view-pseudo-asynchronously nil
540 "*If non-nil, Gnus will view pseudo-articles asynchronously."
541 :group 'gnus-extract-view
544 (defcustom gnus-auto-expirable-marks
545 (list gnus-killed-mark gnus-del-mark gnus-catchup-mark
546 gnus-low-score-mark gnus-ancient-mark gnus-read-mark
547 gnus-souped-mark gnus-duplicate-mark)
548 "*The list of marks converted into expiration if a group is auto-expirable."
551 :type '(repeat character))
553 (defcustom gnus-inhibit-user-auto-expire t
554 "*If non-nil, user marking commands will not mark an article as expirable, even if the group has auto-expire turned on."
559 (defcustom gnus-view-pseudos nil
560 "*If `automatic', pseudo-articles will be viewed automatically.
561 If `not-confirm', pseudos will be viewed automatically, and the user
562 will not be asked to confirm the command."
563 :group 'gnus-extract-view
564 :type '(choice (const :tag "off" nil)
566 (const not-confirm)))
568 (defcustom gnus-view-pseudos-separately t
569 "*If non-nil, one pseudo-article will be created for each file to be viewed.
570 If nil, all files that use the same viewing command will be given as a
571 list of parameters to that command."
572 :group 'gnus-extract-view
575 (defcustom gnus-insert-pseudo-articles t
576 "*If non-nil, insert pseudo-articles when decoding articles."
577 :group 'gnus-extract-view
580 (defcustom gnus-summary-dummy-line-format
582 "*The format specification for the dummy roots in the summary buffer.
583 It works along the same lines as a normal formatting string,
584 with some simple extensions.
588 General format specifiers can also be used.
589 See `(gnus)Formatting Variables'."
590 :link '(custom-manual "(gnus)Formatting Variables")
591 :group 'gnus-threading
594 (defcustom gnus-summary-mode-line-format "Gnus: %g [%A] %Z"
595 "*The format specification for the summary mode line.
596 It works along the same lines as a normal formatting string,
597 with some simple extensions:
600 %p Unprefixed group name
601 %A Current article number
602 %z Current article score
604 %U Number of unread articles in the group
605 %e Number of unselected articles in the group
606 %Z A string with unread/unselected article counts
607 %g Shortish group name
608 %S Subject of the current article
610 %s Current score file name
611 %d Number of dormant articles
612 %r Number of articles that have been marked as read in this session
613 %E Number of articles expunged by the score files"
614 :group 'gnus-summary-format
617 (defcustom gnus-list-identifiers nil
618 "Regexp that matches list identifiers to be removed from subject.
619 This can also be a list of regexps."
621 :group 'gnus-summary-format
622 :group 'gnus-article-hiding
623 :type '(choice (const :tag "none" nil)
625 (repeat :value (".*") regexp)))
627 (defcustom gnus-summary-mark-below 0
628 "*Mark all articles with a score below this variable as read.
629 This variable is local to each summary buffer and usually set by the
631 :group 'gnus-score-default
634 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
635 "*List of functions used for sorting articles in the summary buffer.
637 Each function takes two articles and returns non-nil if the first
638 article should be sorted before the other. If you use more than one
639 function, the primary sort function should be the last. You should
640 probably always include `gnus-article-sort-by-number' in the list of
641 sorting functions -- preferably first. Also note that sorting by date
642 is often much slower than sorting by number, and the sorting order is
643 very similar. (Sorting by date means sorting by the time the message
644 was sent, sorting by number means sorting by arrival time.)
646 Ready-made functions include `gnus-article-sort-by-number',
647 `gnus-article-sort-by-author', `gnus-article-sort-by-subject',
648 `gnus-article-sort-by-date', `gnus-article-sort-by-random'
649 and `gnus-article-sort-by-score'.
651 When threading is turned on, the variable `gnus-thread-sort-functions'
652 controls how articles are sorted."
653 :group 'gnus-summary-sort
654 :type '(repeat (choice (function-item gnus-article-sort-by-number)
655 (function-item gnus-article-sort-by-author)
656 (function-item gnus-article-sort-by-subject)
657 (function-item gnus-article-sort-by-date)
658 (function-item gnus-article-sort-by-score)
659 (function-item gnus-article-sort-by-random)
660 (function :tag "other"))))
662 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
663 "*List of functions used for sorting threads in the summary buffer.
664 By default, threads are sorted by article number.
666 Each function takes two threads and returns non-nil if the first
667 thread should be sorted before the other. If you use more than one
668 function, the primary sort function should be the last. You should
669 probably always include `gnus-thread-sort-by-number' in the list of
670 sorting functions -- preferably first. Also note that sorting by date
671 is often much slower than sorting by number, and the sorting order is
672 very similar. (Sorting by date means sorting by the time the message
673 was sent, sorting by number means sorting by arrival time.)
675 Ready-made functions include `gnus-thread-sort-by-number',
676 `gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
677 `gnus-thread-sort-by-date', `gnus-thread-sort-by-score',
678 `gnus-thread-sort-by-most-recent-number',
679 `gnus-thread-sort-by-most-recent-date',
680 `gnus-thread-sort-by-random', and
681 `gnus-thread-sort-by-total-score' (see `gnus-thread-score-function').
683 When threading is turned off, the variable
684 `gnus-article-sort-functions' controls how articles are sorted."
685 :group 'gnus-summary-sort
686 :type '(repeat (choice (function-item gnus-thread-sort-by-number)
687 (function-item gnus-thread-sort-by-author)
688 (function-item gnus-thread-sort-by-subject)
689 (function-item gnus-thread-sort-by-date)
690 (function-item gnus-thread-sort-by-score)
691 (function-item gnus-thread-sort-by-total-score)
692 (function-item gnus-thread-sort-by-random)
693 (function :tag "other"))))
695 (defcustom gnus-thread-score-function '+
696 "*Function used for calculating the total score of a thread.
698 The function is called with the scores of the article and each
699 subthread and should then return the score of the thread.
701 Some functions you can use are `+', `max', or `min'."
702 :group 'gnus-summary-sort
705 (defcustom gnus-summary-expunge-below nil
706 "All articles that have a score less than this variable will be expunged.
707 This variable is local to the summary buffers."
708 :group 'gnus-score-default
709 :type '(choice (const :tag "off" nil)
712 (defcustom gnus-thread-expunge-below nil
713 "All threads that have a total score less than this variable will be expunged.
714 See `gnus-thread-score-function' for en explanation of what a
717 This variable is local to the summary buffers."
718 :group 'gnus-threading
719 :group 'gnus-score-default
720 :type '(choice (const :tag "off" nil)
723 (defcustom gnus-summary-mode-hook nil
724 "*A hook for Gnus summary mode.
725 This hook is run before any variables are set in the summary buffer."
726 :options '(turn-on-gnus-mailing-list-mode gnus-pick-mode)
727 :group 'gnus-summary-various
730 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
731 (when (featurep 'xemacs)
732 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-summary-menu-add)
733 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-setup-summary-toolbar)
734 (add-hook 'gnus-summary-mode-hook
735 'gnus-xmas-switch-horizontal-scrollbar-off))
737 (defcustom gnus-summary-menu-hook nil
738 "*Hook run after the creation of the summary mode menu."
739 :group 'gnus-summary-visual
742 (defcustom gnus-summary-exit-hook nil
743 "*A hook called on exit from the summary buffer.
744 It will be called with point in the group buffer."
745 :group 'gnus-summary-exit
748 (defcustom gnus-summary-prepare-hook nil
749 "*A hook called after the summary buffer has been generated.
750 If you want to modify the summary buffer, you can use this hook."
751 :group 'gnus-summary-various
754 (defcustom gnus-summary-prepared-hook nil
755 "*A hook called as the last thing after the summary buffer has been generated."
756 :group 'gnus-summary-various
759 (defcustom gnus-summary-generate-hook nil
760 "*A hook run just before generating the summary buffer.
761 This hook is commonly used to customize threading variables and the
763 :group 'gnus-summary-various
766 (defcustom gnus-select-group-hook nil
767 "*A hook called when a newsgroup is selected.
769 If you'd like to simplify subjects like the
770 `gnus-summary-next-same-subject' command does, you can use the
773 (add-hook gnus-select-group-hook
775 (mapcar (lambda (header)
776 (mail-header-set-subject
778 (gnus-simplify-subject
779 (mail-header-subject header) 're-only)))
780 gnus-newsgroup-headers)))"
781 :group 'gnus-group-select
784 (defcustom gnus-select-article-hook nil
785 "*A hook called when an article is selected."
786 :group 'gnus-summary-choose
789 (defcustom gnus-visual-mark-article-hook
790 (list 'gnus-highlight-selected-summary)
791 "*Hook run after selecting an article in the summary buffer.
792 It is meant to be used for highlighting the article in some way. It
793 is not run if `gnus-visual' is nil."
794 :group 'gnus-summary-visual
797 (defcustom gnus-parse-headers-hook nil
798 "*A hook called before parsing the headers."
802 (defcustom gnus-exit-group-hook nil
803 "*A hook called when exiting summary mode.
804 This hook is not called from the non-updating exit commands like `Q'."
808 (defcustom gnus-summary-update-hook
809 (list 'gnus-summary-highlight-line)
810 "*A hook called when a summary line is changed.
811 The hook will not be called if `gnus-visual' is nil.
813 The default function `gnus-summary-highlight-line' will
814 highlight the line according to the `gnus-summary-highlight'
816 :group 'gnus-summary-visual
819 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
820 "*A hook called when an article is selected for the first time.
821 The hook is intended to mark an article as read (or unread)
822 automatically when it is selected."
823 :group 'gnus-summary-choose
826 (defcustom gnus-group-no-more-groups-hook nil
827 "*A hook run when returning to group mode having no more (unread) groups."
828 :group 'gnus-group-select
831 (defcustom gnus-ps-print-hook nil
832 "*A hook run before ps-printing something from Gnus."
836 (defcustom gnus-summary-display-arrow
837 (and (fboundp 'display-graphic-p)
839 "*If non-nil, display an arrow highlighting the current article."
844 (defcustom gnus-summary-selected-face 'gnus-summary-selected-face
845 "Face used for highlighting the current article in the summary buffer."
846 :group 'gnus-summary-visual
849 (defcustom gnus-summary-highlight
850 '(((eq mark gnus-canceled-mark)
851 . gnus-summary-cancelled-face)
852 ((and (> score default-high)
853 (or (eq mark gnus-dormant-mark)
854 (eq mark gnus-ticked-mark)))
855 . gnus-summary-high-ticked-face)
856 ((and (< score default-low)
857 (or (eq mark gnus-dormant-mark)
858 (eq mark gnus-ticked-mark)))
859 . gnus-summary-low-ticked-face)
860 ((or (eq mark gnus-dormant-mark)
861 (eq mark gnus-ticked-mark))
862 . gnus-summary-normal-ticked-face)
863 ((and (> score default-high) (eq mark gnus-ancient-mark))
864 . gnus-summary-high-ancient-face)
865 ((and (< score default-low) (eq mark gnus-ancient-mark))
866 . gnus-summary-low-ancient-face)
867 ((eq mark gnus-ancient-mark)
868 . gnus-summary-normal-ancient-face)
869 ((and (> score default-high) (eq mark gnus-unread-mark))
870 . gnus-summary-high-unread-face)
871 ((and (< score default-low) (eq mark gnus-unread-mark))
872 . gnus-summary-low-unread-face)
873 ((eq mark gnus-unread-mark)
874 . gnus-summary-normal-unread-face)
875 ((and (> score default-high) (memq mark (list gnus-downloadable-mark
876 gnus-undownloaded-mark)))
877 . gnus-summary-high-unread-face)
878 ((and (< score default-low) (memq mark (list gnus-downloadable-mark
879 gnus-undownloaded-mark)))
880 . gnus-summary-low-unread-face)
881 ((and (memq mark (list gnus-downloadable-mark gnus-undownloaded-mark))
882 (memq article gnus-newsgroup-unreads))
883 . gnus-summary-normal-unread-face)
884 ((memq mark (list gnus-downloadable-mark gnus-undownloaded-mark))
885 . gnus-summary-normal-read-face)
886 ((> score default-high)
887 . gnus-summary-high-read-face)
888 ((< score default-low)
889 . gnus-summary-low-read-face)
891 . gnus-summary-normal-read-face))
892 "*Controls the highlighting of summary buffer lines.
894 A list of (FORM . FACE) pairs. When deciding how a a particular
895 summary line should be displayed, each form is evaluated. The content
896 of the face field after the first true form is used. You can change
897 how those summary lines are displayed, by editing the face field.
899 You can use the following variables in the FORM field.
901 score: The article's score
902 default: The default article score.
903 default-high: The default score for high scored articles.
904 default-low: The default score for low scored articles.
905 below: The score below which articles are automatically marked as read.
906 mark: The articles mark."
907 :group 'gnus-summary-visual
908 :type '(repeat (cons (sexp :tag "Form" nil)
911 (defcustom gnus-alter-header-function nil
912 "Function called to allow alteration of article header structures.
913 The function is called with one parameter, the article header vector,
914 which it may alter in any way.")
916 (defvar gnus-decode-encoded-word-function 'mail-decode-encoded-word-string
917 "Variable that says which function should be used to decode a string with encoded words.")
919 (defcustom gnus-extra-headers '(To Newsgroups)
920 "*Extra headers to parse."
923 :type '(repeat symbol))
925 (defcustom gnus-ignored-from-addresses
926 (and user-mail-address (regexp-quote user-mail-address))
927 "*Regexp of From headers that may be suppressed in favor of To headers."
932 (defcustom gnus-newsgroup-ignored-charsets '(unknown-8bit x-unknown)
933 "List of charsets that should be ignored.
934 When these charsets are used in the \"charset\" parameter, the
935 default charset will be used instead."
937 :type '(repeat symbol)
938 :group 'gnus-charset)
940 (gnus-define-group-parameter
944 "Return the ignored charsets of GROUP."
945 :variable gnus-group-ignored-charsets-alist
947 '(("alt\\.chinese\\.text" iso-8859-1))
949 "Alist of regexps (to match group names) and charsets that should be ignored.
950 When these charsets are used in the \"charset\" parameter, the
951 default charset will be used instead."
952 :variable-group gnus-charset
953 :variable-type '(repeat (cons (regexp :tag "Group")
955 :parameter-type '(choice :tag "Ignored charsets"
958 :parameter-document "\
959 List of charsets that should be ignored.
961 When these charsets are used in the \"charset\" parameter, the
962 default charset will be used instead.")
964 (defcustom gnus-group-highlight-words-alist nil
965 "Alist of group regexps and highlight regexps.
966 This variable uses the same syntax as `gnus-emphasis-alist'."
968 :type '(repeat (cons (regexp :tag "Group")
969 (repeat (list (regexp :tag "Highlight regexp")
970 (number :tag "Group for entire word" 0)
971 (number :tag "Group for displayed part" 0)
973 gnus-emphasis-highlight-words)))))
974 :group 'gnus-summary-visual)
976 (defcustom gnus-summary-show-article-charset-alist
978 "Alist of number and charset.
979 The article will be shown with the charset corresponding to the
981 For example: ((1 . cn-gb-2312) (2 . big5))."
983 :type '(repeat (cons (number :tag "Argument" 1)
984 (symbol :tag "Charset")))
985 :group 'gnus-charset)
987 (defcustom gnus-preserve-marks t
988 "Whether marks are preserved when moving, copying and respooling messages."
991 :group 'gnus-summary-marks)
993 (defcustom gnus-alter-articles-to-read-function nil
994 "Function to be called to alter the list of articles to be selected."
995 :type '(choice (const nil) function)
996 :group 'gnus-summary)
998 (defcustom gnus-orphan-score nil
999 "*All orphans get this score added. Set in the score file."
1000 :group 'gnus-score-default
1001 :type '(choice (const nil)
1004 (defcustom gnus-summary-save-parts-default-mime "image/.*"
1005 "*A regexp to match MIME parts when saving multiple parts of a message
1006 with gnus-summary-save-parts (X m). This regexp will be used by default
1007 when prompting the user for which type of files to save."
1008 :group 'gnus-summary
1011 (defcustom gnus-read-all-available-headers nil
1012 "Whether Gnus should parse all headers made available to it.
1013 This is mostly relevant for slow backends where the user may
1014 wish to widen the summary buffer to include all headers
1015 that were fetched. Say, for nnultimate groups."
1016 :group 'gnus-summary
1017 :type '(choice boolean regexp))
1019 (defcustom gnus-summary-muttprint-program "muttprint"
1020 "Command (and optional arguments) used to run Muttprint."
1022 :group 'gnus-summary
1025 (defcustom gnus-article-loose-mime nil
1026 "If non-nil, don't require MIME-Version header.
1027 Some brain-damaged MUA/MTA, e.g. Lotus Domino 5.0.6 clients, does not
1028 supply the MIME-Version header or deliberately strip it From the mail.
1029 Set it to non-nil, Gnus will treat some articles as MIME even if
1030 the MIME-Version header is missed."
1033 :group 'gnus-article)
1035 ;;; Internal variables
1037 (defvar gnus-summary-display-cache nil)
1038 (defvar gnus-article-mime-handles nil)
1039 (defvar gnus-article-decoded-p nil)
1040 (defvar gnus-article-charset nil)
1041 (defvar gnus-article-ignored-charsets nil)
1042 (defvar gnus-scores-exclude-files nil)
1043 (defvar gnus-page-broken nil)
1044 (defvar gnus-inhibit-mime-unbuttonizing nil)
1046 (defvar gnus-original-article nil)
1047 (defvar gnus-article-internal-prepare-hook nil)
1048 (defvar gnus-newsgroup-process-stack nil)
1050 (defvar gnus-thread-indent-array nil)
1051 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
1052 (defvar gnus-sort-gathered-threads-function 'gnus-thread-sort-by-number
1053 "Function called to sort the articles within a thread after it has been gathered together.")
1055 (defvar gnus-summary-save-parts-type-history nil)
1056 (defvar gnus-summary-save-parts-last-directory nil)
1058 ;; Avoid highlighting in kill files.
1059 (defvar gnus-summary-inhibit-highlight nil)
1060 (defvar gnus-newsgroup-selected-overlay nil)
1061 (defvar gnus-inhibit-limiting nil)
1062 (defvar gnus-newsgroup-adaptive-score-file nil)
1063 (defvar gnus-current-score-file nil)
1064 (defvar gnus-current-move-group nil)
1065 (defvar gnus-current-copy-group nil)
1066 (defvar gnus-current-crosspost-group nil)
1067 (defvar gnus-newsgroup-display nil)
1069 (defvar gnus-newsgroup-dependencies nil)
1070 (defvar gnus-newsgroup-adaptive nil)
1071 (defvar gnus-summary-display-article-function nil)
1072 (defvar gnus-summary-highlight-line-function nil
1073 "Function called after highlighting a summary line.")
1075 (defvar gnus-summary-line-format-alist
1076 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
1077 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
1078 (?s gnus-tmp-subject-or-nil ?s)
1079 (?n gnus-tmp-name ?s)
1080 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
1082 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
1084 (?F gnus-tmp-from ?s)
1085 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
1086 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
1087 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
1088 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
1089 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
1090 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
1091 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
1092 (?L gnus-tmp-lines ?s)
1093 (?I gnus-tmp-indentation ?s)
1094 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
1095 (?R gnus-tmp-replied ?c)
1096 (?\[ gnus-tmp-opening-bracket ?c)
1097 (?\] gnus-tmp-closing-bracket ?c)
1098 (?\> (make-string gnus-tmp-level ? ) ?s)
1099 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
1100 (?i gnus-tmp-score ?d)
1101 (?z gnus-tmp-score-char ?c)
1102 (?l (bbb-grouplens-score gnus-tmp-header) ?s)
1103 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
1104 (?U gnus-tmp-unread ?c)
1105 (?f (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header gnus-tmp-from)
1107 (?t (gnus-summary-number-of-articles-in-thread
1108 (and (boundp 'thread) (car thread)) gnus-tmp-level)
1110 (?e (gnus-summary-number-of-articles-in-thread
1111 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
1113 (?u gnus-tmp-user-defined ?s)
1114 (?P (gnus-pick-line-number) ?d)
1115 (?B gnus-tmp-thread-tree-header-string ?s)
1116 (user-date (gnus-user-date
1117 ,(macroexpand '(mail-header-date gnus-tmp-header))) ?s))
1118 "An alist of format specifications that can appear in summary lines.
1119 These are paired with what variables they correspond with, along with
1120 the type of the variable (string, integer, character, etc).")
1122 (defvar gnus-summary-dummy-line-format-alist
1123 `((?S gnus-tmp-subject ?s)
1124 (?N gnus-tmp-number ?d)
1125 (?u gnus-tmp-user-defined ?s)))
1127 (defvar gnus-summary-mode-line-format-alist
1128 `((?G gnus-tmp-group-name ?s)
1129 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
1130 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
1131 (?A gnus-tmp-article-number ?d)
1132 (?Z gnus-tmp-unread-and-unselected ?s)
1133 (?V gnus-version ?s)
1134 (?U gnus-tmp-unread-and-unticked ?d)
1135 (?S gnus-tmp-subject ?s)
1136 (?e gnus-tmp-unselected ?d)
1137 (?u gnus-tmp-user-defined ?s)
1138 (?d (length gnus-newsgroup-dormant) ?d)
1139 (?t (length gnus-newsgroup-marked) ?d)
1140 (?h (length gnus-newsgroup-spam-marked) ?d)
1141 (?r (length gnus-newsgroup-reads) ?d)
1142 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
1143 (?E gnus-newsgroup-expunged-tally ?d)
1144 (?s (gnus-current-score-file-nondirectory) ?s)))
1146 (defvar gnus-last-search-regexp nil
1147 "Default regexp for article search command.")
1149 (defvar gnus-last-shell-command nil
1150 "Default shell command on article.")
1152 (defvar gnus-newsgroup-begin nil)
1153 (defvar gnus-newsgroup-end nil)
1154 (defvar gnus-newsgroup-last-rmail nil)
1155 (defvar gnus-newsgroup-last-mail nil)
1156 (defvar gnus-newsgroup-last-folder nil)
1157 (defvar gnus-newsgroup-last-file nil)
1158 (defvar gnus-newsgroup-auto-expire nil)
1159 (defvar gnus-newsgroup-active nil)
1161 (defvar gnus-newsgroup-data nil)
1162 (defvar gnus-newsgroup-data-reverse nil)
1163 (defvar gnus-newsgroup-limit nil)
1164 (defvar gnus-newsgroup-limits nil)
1166 (defvar gnus-newsgroup-unreads nil
1167 "Sorted list of unread articles in the current newsgroup.")
1169 (defvar gnus-newsgroup-unselected nil
1170 "Sorted list of unselected unread articles in the current newsgroup.")
1172 (defvar gnus-newsgroup-reads nil
1173 "Alist of read articles and article marks in the current newsgroup.")
1175 (defvar gnus-newsgroup-expunged-tally nil)
1177 (defvar gnus-newsgroup-marked nil
1178 "Sorted list of ticked articles in the current newsgroup (a subset of unread art).")
1180 (defvar gnus-newsgroup-spam-marked nil
1181 "List of ranges of articles that have been marked as spam.")
1183 (defvar gnus-newsgroup-killed nil
1184 "List of ranges of articles that have been through the scoring process.")
1186 (defvar gnus-newsgroup-cached nil
1187 "Sorted list of articles that come from the article cache.")
1189 (defvar gnus-newsgroup-saved nil
1190 "List of articles that have been saved.")
1192 (defvar gnus-newsgroup-kill-headers nil)
1194 (defvar gnus-newsgroup-replied nil
1195 "List of articles that have been replied to in the current newsgroup.")
1197 (defvar gnus-newsgroup-forwarded nil
1198 "List of articles that have been forwarded in the current newsgroup.")
1200 (defvar gnus-newsgroup-recent nil
1201 "List of articles that have are recent in the current newsgroup.")
1203 (defvar gnus-newsgroup-expirable nil
1204 "Sorted list of articles in the current newsgroup that can be expired.")
1206 (defvar gnus-newsgroup-processable nil
1207 "List of articles in the current newsgroup that can be processed.")
1209 (defvar gnus-newsgroup-downloadable nil
1210 "Sorted list of articles in the current newsgroup that can be processed.")
1212 (defvar gnus-newsgroup-undownloaded nil
1213 "List of articles in the current newsgroup that haven't been downloaded..")
1215 (defvar gnus-newsgroup-unsendable nil
1216 "List of articles in the current newsgroup that won't be sent.")
1218 (defvar gnus-newsgroup-bookmarks nil
1219 "List of articles in the current newsgroup that have bookmarks.")
1221 (defvar gnus-newsgroup-dormant nil
1222 "Sorted list of dormant articles in the current newsgroup.")
1224 (defvar gnus-newsgroup-unseen nil
1225 "List of unseen articles in the current newsgroup.")
1227 (defvar gnus-newsgroup-seen nil
1228 "Range of seen articles in the current newsgroup.")
1230 (defvar gnus-newsgroup-articles nil
1231 "List of articles in the current newsgroup.")
1233 (defvar gnus-newsgroup-scored nil
1234 "List of scored articles in the current newsgroup.")
1236 (defvar gnus-newsgroup-headers nil
1237 "List of article headers in the current newsgroup.")
1239 (defvar gnus-newsgroup-threads nil)
1241 (defvar gnus-newsgroup-prepared nil
1242 "Whether the current group has been prepared properly.")
1244 (defvar gnus-newsgroup-ancient nil
1245 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1247 (defvar gnus-newsgroup-sparse nil)
1249 (defvar gnus-current-article nil)
1250 (defvar gnus-article-current nil)
1251 (defvar gnus-current-headers nil)
1252 (defvar gnus-have-all-headers nil)
1253 (defvar gnus-last-article nil)
1254 (defvar gnus-newsgroup-history nil)
1255 (defvar gnus-newsgroup-charset nil)
1256 (defvar gnus-newsgroup-ephemeral-charset nil)
1257 (defvar gnus-newsgroup-ephemeral-ignored-charsets nil)
1259 (defvar gnus-article-before-search nil)
1261 (defconst gnus-summary-local-variables
1262 '(gnus-newsgroup-name
1263 gnus-newsgroup-begin gnus-newsgroup-end
1264 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1265 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1266 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
1267 gnus-newsgroup-unselected gnus-newsgroup-marked
1268 gnus-newsgroup-spam-marked
1269 gnus-newsgroup-reads gnus-newsgroup-saved
1270 gnus-newsgroup-replied gnus-newsgroup-forwarded
1271 gnus-newsgroup-recent
1272 gnus-newsgroup-expirable
1273 gnus-newsgroup-processable gnus-newsgroup-killed
1274 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
1275 gnus-newsgroup-unsendable gnus-newsgroup-unseen
1276 gnus-newsgroup-seen gnus-newsgroup-articles
1277 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1278 gnus-newsgroup-headers gnus-newsgroup-threads
1279 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1280 gnus-current-article gnus-current-headers gnus-have-all-headers
1281 gnus-last-article gnus-article-internal-prepare-hook
1282 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1283 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1284 gnus-thread-expunge-below
1285 gnus-score-alist gnus-current-score-file
1286 (gnus-summary-expunge-below . global)
1287 (gnus-summary-mark-below . global)
1288 (gnus-orphan-score . global)
1289 gnus-newsgroup-active gnus-scores-exclude-files
1290 gnus-newsgroup-history gnus-newsgroup-ancient
1291 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1292 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1293 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1294 (gnus-newsgroup-expunged-tally . 0)
1295 gnus-cache-removable-articles gnus-newsgroup-cached
1296 gnus-newsgroup-data gnus-newsgroup-data-reverse
1297 gnus-newsgroup-limit gnus-newsgroup-limits
1298 gnus-newsgroup-charset gnus-newsgroup-display)
1299 "Variables that are buffer-local to the summary buffers.")
1301 (defvar gnus-newsgroup-variables nil
1302 "A list of variables that have separate values in different newsgroups.
1303 A list of newsgroup (summary buffer) local variables, or cons of
1304 variables and their default values (when the default values are not
1305 nil), that should be made global while the summary buffer is active.
1306 These variables can be used to set variables in the group parameters
1307 while still allowing them to affect operations done in other
1308 buffers. For example:
1310 \(setq gnus-newsgroup-variables
1311 '(message-use-followup-to
1312 (gnus-visible-headers .
1313 \"^From:\\\\|^Newsgroups:\\\\|^Subject:\\\\|^Date:\\\\|^To:\")))
1316 ;; Byte-compiler warning.
1317 (eval-when-compile (defvar gnus-article-mode-map))
1321 (defvar gnus-decode-encoded-word-methods
1322 '(mail-decode-encoded-word-string)
1323 "List of methods used to decode encoded words.
1325 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
1326 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
1327 \(REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
1328 whose names match REGEXP.
1331 \((\"chinese\" . gnus-decode-encoded-word-string-by-guess)
1332 mail-decode-encoded-word-string
1333 (\"chinese\" . rfc1843-decode-string))")
1335 (defvar gnus-decode-encoded-word-methods-cache nil)
1337 (defun gnus-multi-decode-encoded-word-string (string)
1338 "Apply the functions from `gnus-encoded-word-methods' that match."
1339 (unless (and gnus-decode-encoded-word-methods-cache
1340 (eq gnus-newsgroup-name
1341 (car gnus-decode-encoded-word-methods-cache)))
1342 (setq gnus-decode-encoded-word-methods-cache (list gnus-newsgroup-name))
1345 (nconc gnus-decode-encoded-word-methods-cache (list x))
1346 (if (and gnus-newsgroup-name
1347 (string-match (car x) gnus-newsgroup-name))
1348 (nconc gnus-decode-encoded-word-methods-cache
1350 gnus-decode-encoded-word-methods))
1351 (let ((xlist gnus-decode-encoded-word-methods-cache))
1354 (setq string (funcall (pop xlist) string))))
1357 ;; Subject simplification.
1359 (defun gnus-simplify-whitespace (str)
1360 "Remove excessive whitespace from STR."
1363 (while (string-match "[ \t][ \t]+" mystr)
1364 (setq mystr (concat (substring mystr 0 (match-beginning 0))
1366 (substring mystr (match-end 0)))))
1368 (when (string-match "^[ \t]+" mystr)
1369 (setq mystr (substring mystr (match-end 0))))
1371 (when (string-match "[ \t]+$" mystr)
1372 (setq mystr (substring mystr 0 (match-beginning 0))))
1375 (defun gnus-simplify-all-whitespace (str)
1376 "Remove all whitespace from STR."
1378 (while (string-match "[ \t\n]+" mystr)
1379 (setq mystr (replace-match "" nil nil mystr)))
1382 (defsubst gnus-simplify-subject-re (subject)
1383 "Remove \"Re:\" from subject lines."
1384 (if (string-match message-subject-re-regexp subject)
1385 (substring subject (match-end 0))
1388 (defun gnus-simplify-subject (subject &optional re-only)
1389 "Remove `Re:' and words in parentheses.
1390 If RE-ONLY is non-nil, strip leading `Re:'s only."
1391 (let ((case-fold-search t)) ;Ignore case.
1392 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1393 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1394 (setq subject (substring subject (match-end 0))))
1395 ;; Remove uninteresting prefixes.
1396 (when (and (not re-only)
1397 gnus-simplify-ignored-prefixes
1398 (string-match gnus-simplify-ignored-prefixes subject))
1399 (setq subject (substring subject (match-end 0))))
1400 ;; Remove words in parentheses from end.
1402 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1403 (setq subject (substring subject 0 (match-beginning 0)))))
1404 ;; Return subject string.
1407 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1409 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1410 (goto-char (point-min))
1411 (while (re-search-forward regexp nil t)
1412 (replace-match (or newtext ""))))
1414 (defun gnus-simplify-buffer-fuzzy ()
1415 "Simplify string in the buffer fuzzily.
1416 The string in the accessible portion of the current buffer is simplified.
1417 It is assumed to be a single-line subject.
1418 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1419 matter is removed. Additional things can be deleted by setting
1420 `gnus-simplify-subject-fuzzy-regexp'."
1421 (let ((case-fold-search t)
1423 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1425 (while (not (eq modified-tick (buffer-modified-tick)))
1426 (setq modified-tick (buffer-modified-tick))
1428 ((listp gnus-simplify-subject-fuzzy-regexp)
1429 (mapcar 'gnus-simplify-buffer-fuzzy-step
1430 gnus-simplify-subject-fuzzy-regexp))
1431 (gnus-simplify-subject-fuzzy-regexp
1432 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1433 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1434 (gnus-simplify-buffer-fuzzy-step
1435 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1436 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1438 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1439 (gnus-simplify-buffer-fuzzy-step " +" " ")
1440 (gnus-simplify-buffer-fuzzy-step " $")
1441 (gnus-simplify-buffer-fuzzy-step "^ +")))
1443 (defun gnus-simplify-subject-fuzzy (subject)
1444 "Simplify a subject string fuzzily.
1445 See `gnus-simplify-buffer-fuzzy' for details."
1447 (gnus-set-work-buffer)
1448 (let ((case-fold-search t))
1449 ;; Remove uninteresting prefixes.
1450 (when (and gnus-simplify-ignored-prefixes
1451 (string-match gnus-simplify-ignored-prefixes subject))
1452 (setq subject (substring subject (match-end 0))))
1454 (inline (gnus-simplify-buffer-fuzzy))
1457 (defsubst gnus-simplify-subject-fully (subject)
1458 "Simplify a subject string according to gnus-summary-gather-subject-limit."
1460 (gnus-simplify-subject-functions
1461 (gnus-map-function gnus-simplify-subject-functions subject))
1462 ((null gnus-summary-gather-subject-limit)
1463 (gnus-simplify-subject-re subject))
1464 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1465 (gnus-simplify-subject-fuzzy subject))
1466 ((numberp gnus-summary-gather-subject-limit)
1467 (gnus-limit-string (gnus-simplify-subject-re subject)
1468 gnus-summary-gather-subject-limit))
1472 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1473 "Check whether two subjects are equal.
1474 If optional argument simple-first is t, first argument is already
1477 ((null simple-first)
1478 (equal (gnus-simplify-subject-fully s1)
1479 (gnus-simplify-subject-fully s2)))
1482 (gnus-simplify-subject-fully s2)))))
1484 (defun gnus-summary-bubble-group ()
1485 "Increase the score of the current group.
1486 This is a handy function to add to `gnus-summary-exit-hook' to
1487 increase the score of each group you read."
1488 (gnus-group-add-score gnus-newsgroup-name))
1492 ;;; Gnus summary mode
1495 (put 'gnus-summary-mode 'mode-class 'special)
1497 (defvar gnus-article-commands-menu)
1500 ;; Non-orthogonal keys
1502 (gnus-define-keys gnus-summary-mode-map
1503 " " gnus-summary-next-page
1504 "\177" gnus-summary-prev-page
1505 [delete] gnus-summary-prev-page
1506 [backspace] gnus-summary-prev-page
1507 "\r" gnus-summary-scroll-up
1508 "\M-\r" gnus-summary-scroll-down
1509 "n" gnus-summary-next-unread-article
1510 "p" gnus-summary-prev-unread-article
1511 "N" gnus-summary-next-article
1512 "P" gnus-summary-prev-article
1513 "\M-\C-n" gnus-summary-next-same-subject
1514 "\M-\C-p" gnus-summary-prev-same-subject
1515 "\M-n" gnus-summary-next-unread-subject
1516 "\M-p" gnus-summary-prev-unread-subject
1517 "." gnus-summary-first-unread-article
1518 "," gnus-summary-best-unread-article
1519 "\M-s" gnus-summary-search-article-forward
1520 "\M-r" gnus-summary-search-article-backward
1521 "<" gnus-summary-beginning-of-article
1522 ">" gnus-summary-end-of-article
1523 "j" gnus-summary-goto-article
1524 "^" gnus-summary-refer-parent-article
1525 "\M-^" gnus-summary-refer-article
1526 "u" gnus-summary-tick-article-forward
1527 "!" gnus-summary-tick-article-forward
1528 "U" gnus-summary-tick-article-backward
1529 "d" gnus-summary-mark-as-read-forward
1530 "D" gnus-summary-mark-as-read-backward
1531 "E" gnus-summary-mark-as-expirable
1532 "\M-u" gnus-summary-clear-mark-forward
1533 "\M-U" gnus-summary-clear-mark-backward
1534 "k" gnus-summary-kill-same-subject-and-select
1535 "\C-k" gnus-summary-kill-same-subject
1536 "\M-\C-k" gnus-summary-kill-thread
1537 "\M-\C-l" gnus-summary-lower-thread
1538 "e" gnus-summary-edit-article
1539 "#" gnus-summary-mark-as-processable
1540 "\M-#" gnus-summary-unmark-as-processable
1541 "\M-\C-t" gnus-summary-toggle-threads
1542 "\M-\C-s" gnus-summary-show-thread
1543 "\M-\C-h" gnus-summary-hide-thread
1544 "\M-\C-f" gnus-summary-next-thread
1545 "\M-\C-b" gnus-summary-prev-thread
1546 [(meta down)] gnus-summary-next-thread
1547 [(meta up)] gnus-summary-prev-thread
1548 "\M-\C-u" gnus-summary-up-thread
1549 "\M-\C-d" gnus-summary-down-thread
1550 "&" gnus-summary-execute-command
1551 "c" gnus-summary-catchup-and-exit
1552 "\C-w" gnus-summary-mark-region-as-read
1553 "\C-t" gnus-summary-toggle-truncation
1554 "?" gnus-summary-mark-as-dormant
1555 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1556 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1557 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1558 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1559 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1560 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1561 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1562 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1563 "\C-c\C-s\C-o" gnus-summary-sort-by-original
1564 "\C-c\C-s\C-r" gnus-summary-sort-by-random
1565 "=" gnus-summary-expand-window
1566 "\C-x\C-s" gnus-summary-reselect-current-group
1567 "\M-g" gnus-summary-rescan-group
1568 "w" gnus-summary-stop-page-breaking
1569 "\C-c\C-r" gnus-summary-caesar-message
1570 "f" gnus-summary-followup
1571 "F" gnus-summary-followup-with-original
1572 "C" gnus-summary-cancel-article
1573 "r" gnus-summary-reply
1574 "R" gnus-summary-reply-with-original
1575 "\C-c\C-f" gnus-summary-mail-forward
1576 "o" gnus-summary-save-article
1577 "\C-o" gnus-summary-save-article-mail
1578 "|" gnus-summary-pipe-output
1579 "\M-k" gnus-summary-edit-local-kill
1580 "\M-K" gnus-summary-edit-global-kill
1582 "\C-c\C-d" gnus-summary-describe-group
1583 "q" gnus-summary-exit
1584 "Q" gnus-summary-exit-no-update
1585 "\C-c\C-i" gnus-info-find-node
1586 gnus-mouse-2 gnus-mouse-pick-article
1587 "m" gnus-summary-mail-other-window
1588 "a" gnus-summary-post-news
1589 "i" gnus-summary-news-other-window
1590 "x" gnus-summary-limit-to-unread
1591 "s" gnus-summary-isearch-article
1592 "t" gnus-summary-toggle-header
1593 "g" gnus-summary-show-article
1594 "l" gnus-summary-goto-last-article
1595 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1596 "\C-d" gnus-summary-enter-digest-group
1597 "\M-\C-d" gnus-summary-read-document
1598 "\M-\C-e" gnus-summary-edit-parameters
1599 "\M-\C-a" gnus-summary-customize-parameters
1601 "*" gnus-cache-enter-article
1602 "\M-*" gnus-cache-remove-article
1603 "\M-&" gnus-summary-universal-argument
1604 "\C-l" gnus-recenter
1605 "I" gnus-summary-increase-score
1606 "L" gnus-summary-lower-score
1607 "\M-i" gnus-symbolic-argument
1608 "h" gnus-summary-select-article-buffer
1610 "b" gnus-article-view-part
1611 "\M-t" gnus-summary-toggle-display-buttonized
1613 "V" gnus-summary-score-map
1614 "X" gnus-uu-extract-map
1615 "S" gnus-summary-send-map)
1617 ;; Sort of orthogonal keymap
1618 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1619 "t" gnus-summary-tick-article-forward
1620 "!" gnus-summary-tick-article-forward
1621 "d" gnus-summary-mark-as-read-forward
1622 "r" gnus-summary-mark-as-read-forward
1623 "c" gnus-summary-clear-mark-forward
1624 " " gnus-summary-clear-mark-forward
1625 "e" gnus-summary-mark-as-expirable
1626 "x" gnus-summary-mark-as-expirable
1627 "?" gnus-summary-mark-as-dormant
1628 "b" gnus-summary-set-bookmark
1629 "B" gnus-summary-remove-bookmark
1630 "#" gnus-summary-mark-as-processable
1631 "\M-#" gnus-summary-unmark-as-processable
1632 "S" gnus-summary-limit-include-expunged
1633 "C" gnus-summary-catchup
1634 "H" gnus-summary-catchup-to-here
1635 "h" gnus-summary-catchup-from-here
1636 "\C-c" gnus-summary-catchup-all
1637 "k" gnus-summary-kill-same-subject-and-select
1638 "K" gnus-summary-kill-same-subject
1639 "P" gnus-uu-mark-map)
1641 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1642 "c" gnus-summary-clear-above
1643 "u" gnus-summary-tick-above
1644 "m" gnus-summary-mark-above
1645 "k" gnus-summary-kill-below)
1647 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1648 "/" gnus-summary-limit-to-subject
1649 "n" gnus-summary-limit-to-articles
1650 "w" gnus-summary-pop-limit
1651 "s" gnus-summary-limit-to-subject
1652 "a" gnus-summary-limit-to-author
1653 "u" gnus-summary-limit-to-unread
1654 "m" gnus-summary-limit-to-marks
1655 "M" gnus-summary-limit-exclude-marks
1656 "v" gnus-summary-limit-to-score
1657 "*" gnus-summary-limit-include-cached
1658 "D" gnus-summary-limit-include-dormant
1659 "T" gnus-summary-limit-include-thread
1660 "d" gnus-summary-limit-exclude-dormant
1661 "t" gnus-summary-limit-to-age
1662 "x" gnus-summary-limit-to-extra
1663 "p" gnus-summary-limit-to-display-predicate
1664 "E" gnus-summary-limit-include-expunged
1665 "c" gnus-summary-limit-exclude-childless-dormant
1666 "C" gnus-summary-limit-mark-excluded-as-read
1667 "o" gnus-summary-insert-old-articles
1668 "N" gnus-summary-insert-new-articles)
1670 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1671 "n" gnus-summary-next-unread-article
1672 "p" gnus-summary-prev-unread-article
1673 "N" gnus-summary-next-article
1674 "P" gnus-summary-prev-article
1675 "\C-n" gnus-summary-next-same-subject
1676 "\C-p" gnus-summary-prev-same-subject
1677 "\M-n" gnus-summary-next-unread-subject
1678 "\M-p" gnus-summary-prev-unread-subject
1679 "f" gnus-summary-first-unread-article
1680 "b" gnus-summary-best-unread-article
1681 "j" gnus-summary-goto-article
1682 "g" gnus-summary-goto-subject
1683 "l" gnus-summary-goto-last-article
1684 "o" gnus-summary-pop-article)
1686 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1687 "k" gnus-summary-kill-thread
1688 "l" gnus-summary-lower-thread
1689 "i" gnus-summary-raise-thread
1690 "T" gnus-summary-toggle-threads
1691 "t" gnus-summary-rethread-current
1692 "^" gnus-summary-reparent-thread
1693 "s" gnus-summary-show-thread
1694 "S" gnus-summary-show-all-threads
1695 "h" gnus-summary-hide-thread
1696 "H" gnus-summary-hide-all-threads
1697 "n" gnus-summary-next-thread
1698 "p" gnus-summary-prev-thread
1699 "u" gnus-summary-up-thread
1700 "o" gnus-summary-top-thread
1701 "d" gnus-summary-down-thread
1702 "#" gnus-uu-mark-thread
1703 "\M-#" gnus-uu-unmark-thread)
1705 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1706 "g" gnus-summary-prepare
1707 "c" gnus-summary-insert-cached-articles)
1709 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1710 "c" gnus-summary-catchup-and-exit
1711 "C" gnus-summary-catchup-all-and-exit
1712 "E" gnus-summary-exit-no-update
1713 "Q" gnus-summary-exit
1714 "Z" gnus-summary-exit
1715 "n" gnus-summary-catchup-and-goto-next-group
1716 "R" gnus-summary-reselect-current-group
1717 "G" gnus-summary-rescan-group
1718 "N" gnus-summary-next-group
1719 "s" gnus-summary-save-newsrc
1720 "P" gnus-summary-prev-group)
1722 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1723 " " gnus-summary-next-page
1724 "n" gnus-summary-next-page
1725 "\177" gnus-summary-prev-page
1726 [delete] gnus-summary-prev-page
1727 "p" gnus-summary-prev-page
1728 "\r" gnus-summary-scroll-up
1729 "\M-\r" gnus-summary-scroll-down
1730 "<" gnus-summary-beginning-of-article
1731 ">" gnus-summary-end-of-article
1732 "b" gnus-summary-beginning-of-article
1733 "e" gnus-summary-end-of-article
1734 "^" gnus-summary-refer-parent-article
1735 "r" gnus-summary-refer-parent-article
1736 "D" gnus-summary-enter-digest-group
1737 "R" gnus-summary-refer-references
1738 "T" gnus-summary-refer-thread
1739 "g" gnus-summary-show-article
1740 "s" gnus-summary-isearch-article
1741 "P" gnus-summary-print-article
1742 "M" gnus-mailing-list-insinuate
1743 "t" gnus-article-babel)
1745 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1746 "b" gnus-article-add-buttons
1747 "B" gnus-article-add-buttons-to-head
1748 "o" gnus-article-treat-overstrike
1749 "e" gnus-article-emphasize
1750 "w" gnus-article-fill-cited-article
1751 "Q" gnus-article-fill-long-lines
1752 "C" gnus-article-capitalize-sentences
1753 "c" gnus-article-remove-cr
1754 "q" gnus-article-de-quoted-unreadable
1755 "6" gnus-article-de-base64-unreadable
1756 "Z" gnus-article-decode-HZ
1757 "h" gnus-article-wash-html
1758 "u" gnus-article-unsplit-urls
1759 "s" gnus-summary-force-verify-and-decrypt
1760 "f" gnus-article-display-x-face
1761 "l" gnus-summary-stop-page-breaking
1762 "r" gnus-summary-caesar-message
1763 "t" gnus-summary-toggle-header
1764 "g" gnus-treat-smiley
1765 "v" gnus-summary-verbose-headers
1766 "a" gnus-article-strip-headers-in-body ;; mnemonic: wash archive
1767 "p" gnus-article-verify-x-pgp-sig
1768 "d" gnus-article-treat-dumbquotes
1769 "k" gnus-article-outlook-deuglify-article)
1771 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1772 "a" gnus-article-hide
1773 "h" gnus-article-hide-headers
1774 "b" gnus-article-hide-boring-headers
1775 "s" gnus-article-hide-signature
1776 "c" gnus-article-hide-citation
1777 "C" gnus-article-hide-citation-in-followups
1778 "l" gnus-article-hide-list-identifiers
1779 "p" gnus-article-hide-pgp
1780 "B" gnus-article-strip-banner
1781 "P" gnus-article-hide-pem
1782 "\C-c" gnus-article-hide-citation-maybe)
1784 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1785 "a" gnus-article-highlight
1786 "h" gnus-article-highlight-headers
1787 "c" gnus-article-highlight-citation
1788 "s" gnus-article-highlight-signature)
1790 (gnus-define-keys (gnus-summary-wash-header-map "G" gnus-summary-wash-map)
1791 "f" gnus-article-treat-fold-headers
1792 "u" gnus-article-treat-unfold-headers
1793 "n" gnus-article-treat-fold-newsgroups)
1795 (gnus-define-keys (gnus-summary-wash-display-map "D" gnus-summary-wash-map)
1796 "x" gnus-article-display-x-face
1797 "s" gnus-treat-smiley
1798 "D" gnus-article-remove-images
1799 "f" gnus-treat-from-picon
1800 "m" gnus-treat-mail-picon
1801 "n" gnus-treat-newsgroups-picon)
1803 (gnus-define-keys (gnus-summary-wash-mime-map "M" gnus-summary-wash-map)
1804 "w" gnus-article-decode-mime-words
1805 "c" gnus-article-decode-charset
1806 "v" gnus-mime-view-all-parts
1807 "b" gnus-article-view-part)
1809 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
1810 "z" gnus-article-date-ut
1811 "u" gnus-article-date-ut
1812 "l" gnus-article-date-local
1813 "p" gnus-article-date-english
1814 "e" gnus-article-date-lapsed
1815 "o" gnus-article-date-original
1816 "i" gnus-article-date-iso8601
1817 "s" gnus-article-date-user)
1819 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
1820 "t" gnus-article-remove-trailing-blank-lines
1821 "l" gnus-article-strip-leading-blank-lines
1822 "m" gnus-article-strip-multiple-blank-lines
1823 "a" gnus-article-strip-blank-lines
1824 "A" gnus-article-strip-all-blank-lines
1825 "s" gnus-article-strip-leading-space
1826 "e" gnus-article-strip-trailing-space
1827 "w" gnus-article-remove-leading-whitespace)
1829 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
1831 "f" gnus-summary-fetch-faq
1832 "d" gnus-summary-describe-group
1833 "h" gnus-summary-describe-briefly
1834 "i" gnus-info-find-node)
1836 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
1837 "e" gnus-summary-expire-articles
1838 "\M-\C-e" gnus-summary-expire-articles-now
1839 "\177" gnus-summary-delete-article
1840 [delete] gnus-summary-delete-article
1841 [backspace] gnus-summary-delete-article
1842 "m" gnus-summary-move-article
1843 "r" gnus-summary-respool-article
1844 "w" gnus-summary-edit-article
1845 "c" gnus-summary-copy-article
1846 "B" gnus-summary-crosspost-article
1847 "q" gnus-summary-respool-query
1848 "t" gnus-summary-respool-trace
1849 "i" gnus-summary-import-article
1850 "I" gnus-summary-create-article
1851 "p" gnus-summary-article-posted-p)
1853 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
1854 "o" gnus-summary-save-article
1855 "m" gnus-summary-save-article-mail
1856 "F" gnus-summary-write-article-file
1857 "r" gnus-summary-save-article-rmail
1858 "f" gnus-summary-save-article-file
1859 "b" gnus-summary-save-article-body-file
1860 "h" gnus-summary-save-article-folder
1861 "v" gnus-summary-save-article-vm
1862 "p" gnus-summary-pipe-output
1863 "P" gnus-summary-muttprint
1864 "s" gnus-soup-add-article)
1866 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
1867 "b" gnus-summary-display-buttonized
1868 "m" gnus-summary-repair-multipart
1869 "v" gnus-article-view-part
1870 "o" gnus-article-save-part
1871 "c" gnus-article-copy-part
1872 "C" gnus-article-view-part-as-charset
1873 "e" gnus-article-view-part-externally
1874 "E" gnus-article-encrypt-body
1875 "i" gnus-article-inline-part
1876 "|" gnus-article-pipe-part)
1878 (gnus-define-keys (gnus-uu-mark-map "P" gnus-summary-mark-map)
1879 "p" gnus-summary-mark-as-processable
1880 "u" gnus-summary-unmark-as-processable
1881 "U" gnus-summary-unmark-all-processable
1882 "v" gnus-uu-mark-over
1883 "s" gnus-uu-mark-series
1884 "r" gnus-uu-mark-region
1885 "g" gnus-uu-unmark-region
1886 "R" gnus-uu-mark-by-regexp
1887 "G" gnus-uu-unmark-by-regexp
1888 "t" gnus-uu-mark-thread
1889 "T" gnus-uu-unmark-thread
1890 "a" gnus-uu-mark-all
1891 "b" gnus-uu-mark-buffer
1892 "S" gnus-uu-mark-sparse
1893 "k" gnus-summary-kill-process-mark
1894 "y" gnus-summary-yank-process-mark
1895 "w" gnus-summary-save-process-mark
1896 "i" gnus-uu-invert-processable)
1898 (gnus-define-keys (gnus-uu-extract-map "X" gnus-summary-mode-map)
1899 ;;"x" gnus-uu-extract-any
1900 "m" gnus-summary-save-parts
1901 "u" gnus-uu-decode-uu
1902 "U" gnus-uu-decode-uu-and-save
1903 "s" gnus-uu-decode-unshar
1904 "S" gnus-uu-decode-unshar-and-save
1905 "o" gnus-uu-decode-save
1906 "O" gnus-uu-decode-save
1907 "b" gnus-uu-decode-binhex
1908 "B" gnus-uu-decode-binhex
1909 "p" gnus-uu-decode-postscript
1910 "P" gnus-uu-decode-postscript-and-save)
1913 (gnus-uu-extract-view-map "v" gnus-uu-extract-map)
1914 "u" gnus-uu-decode-uu-view
1915 "U" gnus-uu-decode-uu-and-save-view
1916 "s" gnus-uu-decode-unshar-view
1917 "S" gnus-uu-decode-unshar-and-save-view
1918 "o" gnus-uu-decode-save-view
1919 "O" gnus-uu-decode-save-view
1920 "b" gnus-uu-decode-binhex-view
1921 "B" gnus-uu-decode-binhex-view
1922 "p" gnus-uu-decode-postscript-view
1923 "P" gnus-uu-decode-postscript-and-save-view))
1925 (defvar gnus-article-post-menu nil)
1927 (defconst gnus-summary-menu-maxlen 20)
1929 (defun gnus-summary-menu-split (menu)
1930 ;; If we have lots of elements, divide them into groups of 20
1931 ;; and make a pane (or submenu) for each one.
1932 (if (> (length menu) (/ (* gnus-summary-menu-maxlen 3) 2))
1933 (let ((menu menu) sublists next
1936 ;; Pull off the next gnus-summary-menu-maxlen elements
1937 ;; and make them the next element of sublist.
1938 (setq next (nthcdr gnus-summary-menu-maxlen menu))
1940 (setcdr (nthcdr (1- gnus-summary-menu-maxlen) menu)
1942 (setq sublists (cons (cons (format "%s ... %s" (aref (car menu) 0)
1943 (aref (car (last menu)) 0)) menu)
1947 (nreverse sublists))
1948 ;; Few elements--put them all in one pane.
1951 (defun gnus-summary-make-menu-bar ()
1952 (gnus-turn-off-edit-menu 'summary)
1954 (unless (boundp 'gnus-summary-misc-menu)
1957 gnus-summary-kill-menu gnus-summary-mode-map ""
1962 ["Customize" gnus-score-customize t])
1963 (gnus-make-score-map 'increase)
1964 (gnus-make-score-map 'lower)
1966 ["Kill below" gnus-summary-kill-below t]
1967 ["Mark above" gnus-summary-mark-above t]
1968 ["Tick above" gnus-summary-tick-above t]
1969 ["Clear above" gnus-summary-clear-above t])
1970 ["Current score" gnus-summary-current-score t]
1971 ["Set score" gnus-summary-set-score t]
1972 ["Switch current score file..." gnus-score-change-score-file t]
1973 ["Set mark below..." gnus-score-set-mark-below t]
1974 ["Set expunge below..." gnus-score-set-expunge-below t]
1975 ["Edit current score file" gnus-score-edit-current-scores t]
1976 ["Edit score file" gnus-score-edit-file t]
1977 ["Trace score" gnus-score-find-trace t]
1978 ["Find words" gnus-score-find-favourite-words t]
1979 ["Rescore buffer" gnus-summary-rescore t]
1980 ["Increase score..." gnus-summary-increase-score t]
1981 ["Lower score..." gnus-summary-lower-score t]))))
1983 ;; Define both the Article menu in the summary buffer and the
1984 ;; equivalent Commands menu in the article buffer here for
1988 ["All" gnus-article-hide t]
1989 ["Headers" gnus-article-hide-headers t]
1990 ["Signature" gnus-article-hide-signature t]
1991 ["Citation" gnus-article-hide-citation t]
1992 ["List identifiers" gnus-article-hide-list-identifiers t]
1993 ["PGP" gnus-article-hide-pgp t]
1994 ["Banner" gnus-article-strip-banner t]
1995 ["Boring headers" gnus-article-hide-boring-headers t])
1997 ["All" gnus-article-highlight t]
1998 ["Headers" gnus-article-highlight-headers t]
1999 ["Signature" gnus-article-highlight-signature t]
2000 ["Citation" gnus-article-highlight-citation t])
2002 ["Words" gnus-article-decode-mime-words t]
2003 ["Charset" gnus-article-decode-charset t]
2004 ["QP" gnus-article-de-quoted-unreadable t]
2005 ["Base64" gnus-article-de-base64-unreadable t]
2006 ["View all" gnus-mime-view-all-parts t]
2007 ["Verify and Decrypt" gnus-summary-force-verify-and-decrypt t]
2008 ["Encrypt body" gnus-article-encrypt-body t]
2009 ["Extract all parts" gnus-summary-save-parts t])
2011 ["Local" gnus-article-date-local t]
2012 ["ISO8601" gnus-article-date-iso8601 t]
2013 ["UT" gnus-article-date-ut t]
2014 ["Original" gnus-article-date-original t]
2015 ["Lapsed" gnus-article-date-lapsed t]
2016 ["User-defined" gnus-article-date-user t])
2018 ["Remove images" gnus-article-remove-images t]
2019 ["Toggle smiley" gnus-treat-smiley t]
2020 ["Show X-Face" gnus-article-display-x-face t]
2021 ["Show picons in From" gnus-treat-from-picon t]
2022 ["Show picons in mail headers" gnus-treat-mail-picon t]
2023 ["Show picons in news headers" gnus-treat-newsgroups-picon t]
2024 ("View as different encoding"
2025 ,@(gnus-summary-menu-split
2028 ;; Since easymenu under FSF Emacs doesn't allow lambda
2029 ;; forms for menu commands, we should provide intern'ed
2030 ;; function symbols.
2031 (let ((command (intern (format "\
2032 gnus-summary-show-article-from-menu-as-charset-%s" cs))))
2036 (let ((gnus-summary-show-article-charset-alist
2038 (gnus-summary-show-article 1))))
2039 `[,(symbol-name cs) ,command t]))
2040 (sort (if (fboundp 'coding-system-list)
2041 (coding-system-list)
2042 (mapcar 'car mm-mime-mule-charset-alist))
2044 (string< (symbol-name a)
2045 (symbol-name b))))))))
2048 ["Leading" gnus-article-strip-leading-blank-lines t]
2049 ["Multiple" gnus-article-strip-multiple-blank-lines t]
2050 ["Trailing" gnus-article-remove-trailing-blank-lines t]
2051 ["All of the above" gnus-article-strip-blank-lines t]
2052 ["All" gnus-article-strip-all-blank-lines t]
2053 ["Leading space" gnus-article-strip-leading-space t]
2054 ["Trailing space" gnus-article-strip-trailing-space t]
2055 ["Leading space in headers"
2056 gnus-article-remove-leading-whitespace t])
2057 ["Overstrike" gnus-article-treat-overstrike t]
2058 ["Dumb quotes" gnus-article-treat-dumbquotes t]
2059 ["Emphasis" gnus-article-emphasize t]
2060 ["Word wrap" gnus-article-fill-cited-article t]
2061 ["Fill long lines" gnus-article-fill-long-lines t]
2062 ["Capitalize sentences" gnus-article-capitalize-sentences t]
2063 ["CR" gnus-article-remove-cr t]
2064 ["Quoted-Printable" gnus-article-de-quoted-unreadable t]
2065 ["Base64" gnus-article-de-base64-unreadable t]
2066 ["Rot 13" gnus-summary-caesar-message
2067 ,@(if (featurep 'xemacs) '(t)
2068 '(:help "\"Caesar rotate\" article by 13"))]
2069 ["Unix pipe" gnus-summary-pipe-message t]
2070 ["Add buttons" gnus-article-add-buttons t]
2071 ["Add buttons to head" gnus-article-add-buttons-to-head t]
2072 ["Stop page breaking" gnus-summary-stop-page-breaking t]
2073 ["Verbose header" gnus-summary-verbose-headers t]
2074 ["Toggle header" gnus-summary-toggle-header t]
2075 ["Unfold headers" gnus-article-treat-unfold-headers t]
2076 ["Fold newsgroups" gnus-article-treat-fold-newsgroups t]
2077 ["Html" gnus-article-wash-html t]
2078 ["URLs" gnus-article-unsplit-urls t]
2079 ["Verify X-PGP-Sig" gnus-article-verify-x-pgp-sig t]
2080 ["HZ" gnus-article-decode-HZ t]
2081 ["OutlooK deuglify" gnus-article-outlook-deuglify-article t]
2084 ["Save in default format" gnus-summary-save-article
2085 ,@(if (featurep 'xemacs) '(t)
2086 '(:help "Save article using default method"))]
2087 ["Save in file" gnus-summary-save-article-file
2088 ,@(if (featurep 'xemacs) '(t)
2089 '(:help "Save article in file"))]
2090 ["Save in Unix mail format" gnus-summary-save-article-mail t]
2091 ["Save in MH folder" gnus-summary-save-article-folder t]
2092 ["Save in VM folder" gnus-summary-save-article-vm t]
2093 ["Save in RMAIL mbox" gnus-summary-save-article-rmail t]
2094 ["Save body in file" gnus-summary-save-article-body-file t]
2095 ["Pipe through a filter" gnus-summary-pipe-output t]
2096 ["Add to SOUP packet" gnus-soup-add-article t]
2097 ["Print with Muttprint" gnus-summary-muttprint t]
2098 ["Print" gnus-summary-print-article t])
2100 ["Respool article..." gnus-summary-respool-article t]
2101 ["Move article..." gnus-summary-move-article
2102 (gnus-check-backend-function
2103 'request-move-article gnus-newsgroup-name)]
2104 ["Copy article..." gnus-summary-copy-article t]
2105 ["Crosspost article..." gnus-summary-crosspost-article
2106 (gnus-check-backend-function
2107 'request-replace-article gnus-newsgroup-name)]
2108 ["Import file..." gnus-summary-import-article t]
2109 ["Create article..." gnus-summary-create-article t]
2110 ["Check if posted" gnus-summary-article-posted-p t]
2111 ["Edit article" gnus-summary-edit-article
2112 (not (gnus-group-read-only-p))]
2113 ["Delete article" gnus-summary-delete-article
2114 (gnus-check-backend-function
2115 'request-expire-articles gnus-newsgroup-name)]
2116 ["Query respool" gnus-summary-respool-query t]
2117 ["Trace respool" gnus-summary-respool-trace t]
2118 ["Delete expirable articles" gnus-summary-expire-articles-now
2119 (gnus-check-backend-function
2120 'request-expire-articles gnus-newsgroup-name)])
2122 ["Uudecode" gnus-uu-decode-uu
2123 ,@(if (featurep 'xemacs) '(t)
2124 '(:help "Decode uuencoded article(s)"))]
2125 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
2126 ["Unshar" gnus-uu-decode-unshar t]
2127 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
2128 ["Save" gnus-uu-decode-save t]
2129 ["Binhex" gnus-uu-decode-binhex t]
2130 ["Postscript" gnus-uu-decode-postscript t]
2131 ["All MIME parts" gnus-summary-save-parts t])
2133 ["Enter article" gnus-cache-enter-article t]
2134 ["Remove article" gnus-cache-remove-article t])
2135 ["Translate" gnus-article-babel t]
2136 ["Select article buffer" gnus-summary-select-article-buffer t]
2137 ["Enter digest buffer" gnus-summary-enter-digest-group t]
2138 ["Isearch article..." gnus-summary-isearch-article t]
2139 ["Beginning of the article" gnus-summary-beginning-of-article t]
2140 ["End of the article" gnus-summary-end-of-article t]
2141 ["Fetch parent of article" gnus-summary-refer-parent-article t]
2142 ["Fetch referenced articles" gnus-summary-refer-references t]
2143 ["Fetch current thread" gnus-summary-refer-thread t]
2144 ["Fetch article with id..." gnus-summary-refer-article t]
2145 ["Setup Mailing List Params" gnus-mailing-list-insinuate t]
2146 ["Redisplay" gnus-summary-show-article t]
2147 ["Raw article" gnus-summary-show-raw-article :keys "C-u g"])))
2149 gnus-summary-article-menu gnus-summary-mode-map ""
2150 (cons "Article" innards))
2152 (if (not (keymapp gnus-summary-article-menu))
2154 gnus-article-commands-menu gnus-article-mode-map ""
2155 (cons "Commands" innards))
2156 ;; in Emacs, don't share menu.
2157 (setq gnus-article-commands-menu
2158 (copy-keymap gnus-summary-article-menu))
2159 (define-key gnus-article-mode-map [menu-bar commands]
2160 (cons "Commands" gnus-article-commands-menu))))
2163 gnus-summary-thread-menu gnus-summary-mode-map ""
2165 ["Toggle threading" gnus-summary-toggle-threads t]
2166 ["Hide threads" gnus-summary-hide-all-threads t]
2167 ["Show threads" gnus-summary-show-all-threads t]
2168 ["Hide thread" gnus-summary-hide-thread t]
2169 ["Show thread" gnus-summary-show-thread t]
2170 ["Go to next thread" gnus-summary-next-thread t]
2171 ["Go to previous thread" gnus-summary-prev-thread t]
2172 ["Go down thread" gnus-summary-down-thread t]
2173 ["Go up thread" gnus-summary-up-thread t]
2174 ["Top of thread" gnus-summary-top-thread t]
2175 ["Mark thread as read" gnus-summary-kill-thread t]
2176 ["Lower thread score" gnus-summary-lower-thread t]
2177 ["Raise thread score" gnus-summary-raise-thread t]
2178 ["Rethread current" gnus-summary-rethread-current t]))
2181 gnus-summary-post-menu gnus-summary-mode-map ""
2183 ["Send a message (mail or news)" gnus-summary-post-news
2184 ,@(if (featurep 'xemacs) '(t)
2185 '(:help "Post an article"))]
2186 ["Followup" gnus-summary-followup
2187 ,@(if (featurep 'xemacs) '(t)
2188 '(:help "Post followup to this article"))]
2189 ["Followup and yank" gnus-summary-followup-with-original
2190 ,@(if (featurep 'xemacs) '(t)
2191 '(:help "Post followup to this article, quoting its contents"))]
2192 ["Supersede article" gnus-summary-supersede-article t]
2193 ["Cancel article" gnus-summary-cancel-article
2194 ,@(if (featurep 'xemacs) '(t)
2195 '(:help "Cancel an article you posted"))]
2196 ["Reply" gnus-summary-reply t]
2197 ["Reply and yank" gnus-summary-reply-with-original t]
2198 ["Wide reply" gnus-summary-wide-reply t]
2199 ["Wide reply and yank" gnus-summary-wide-reply-with-original
2200 ,@(if (featurep 'xemacs) '(t)
2201 '(:help "Mail a reply, quoting this article"))]
2202 ["Very wide reply" gnus-summary-very-wide-reply t]
2203 ["Very wide reply and yank" gnus-summary-very-wide-reply-with-original
2204 ,@(if (featurep 'xemacs) '(t)
2205 '(:help "Mail a very wide reply, quoting this article"))]
2206 ["Mail forward" gnus-summary-mail-forward t]
2207 ["Post forward" gnus-summary-post-forward t]
2208 ["Digest and mail" gnus-uu-digest-mail-forward t]
2209 ["Digest and post" gnus-uu-digest-post-forward t]
2210 ["Resend message" gnus-summary-resend-message t]
2211 ["Resend message edit" gnus-summary-resend-message-edit t]
2212 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
2213 ["Send a mail" gnus-summary-mail-other-window t]
2214 ["Create a local message" gnus-summary-news-other-window t]
2215 ["Uuencode and post" gnus-uu-post-news
2216 ,@(if (featurep 'xemacs) '(t)
2217 '(:help "Post a uuencoded article"))]
2218 ["Followup via news" gnus-summary-followup-to-mail t]
2219 ["Followup via news and yank"
2220 gnus-summary-followup-to-mail-with-original t]
2222 ;;["Send" gnus-summary-send-draft t]
2223 ;;["Send bounced" gnus-resend-bounced-mail t])
2227 ((not (keymapp gnus-summary-post-menu))
2228 (setq gnus-article-post-menu gnus-summary-post-menu))
2229 ((not gnus-article-post-menu)
2230 ;; Don't share post menu.
2231 (setq gnus-article-post-menu
2232 (copy-keymap gnus-summary-post-menu))))
2233 (define-key gnus-article-mode-map [menu-bar post]
2234 (cons "Post" gnus-article-post-menu))
2237 gnus-summary-misc-menu gnus-summary-mode-map ""
2240 ["Mark as read" gnus-summary-mark-as-read-forward t]
2241 ["Mark same subject and select"
2242 gnus-summary-kill-same-subject-and-select t]
2243 ["Mark same subject" gnus-summary-kill-same-subject t]
2244 ["Catchup" gnus-summary-catchup
2245 ,@(if (featurep 'xemacs) '(t)
2246 '(:help "Mark unread articles in this group as read"))]
2247 ["Catchup all" gnus-summary-catchup-all t]
2248 ["Catchup to here" gnus-summary-catchup-to-here t]
2249 ["Catchup from here" gnus-summary-catchup-from-here t]
2250 ["Catchup region" gnus-summary-mark-region-as-read t]
2251 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
2253 ["Tick" gnus-summary-tick-article-forward t]
2254 ["Mark as dormant" gnus-summary-mark-as-dormant t]
2255 ["Remove marks" gnus-summary-clear-mark-forward t]
2256 ["Set expirable mark" gnus-summary-mark-as-expirable t]
2257 ["Set bookmark" gnus-summary-set-bookmark t]
2258 ["Remove bookmark" gnus-summary-remove-bookmark t])
2260 ["Marks..." gnus-summary-limit-to-marks t]
2261 ["Subject..." gnus-summary-limit-to-subject t]
2262 ["Author..." gnus-summary-limit-to-author t]
2263 ["Age..." gnus-summary-limit-to-age t]
2264 ["Extra..." gnus-summary-limit-to-extra t]
2265 ["Score" gnus-summary-limit-to-score t]
2266 ["Display Predicate" gnus-summary-limit-to-display-predicate t]
2267 ["Unread" gnus-summary-limit-to-unread t]
2268 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
2269 ["Articles" gnus-summary-limit-to-articles t]
2270 ["Pop limit" gnus-summary-pop-limit t]
2271 ["Show dormant" gnus-summary-limit-include-dormant t]
2272 ["Hide childless dormant"
2273 gnus-summary-limit-exclude-childless-dormant t]
2274 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
2275 ["Hide marked" gnus-summary-limit-exclude-marks t]
2276 ["Show expunged" gnus-summary-limit-include-expunged t])
2278 ["Set mark" gnus-summary-mark-as-processable t]
2279 ["Remove mark" gnus-summary-unmark-as-processable t]
2280 ["Remove all marks" gnus-summary-unmark-all-processable t]
2281 ["Mark above" gnus-uu-mark-over t]
2282 ["Mark series" gnus-uu-mark-series t]
2283 ["Mark region" gnus-uu-mark-region t]
2284 ["Unmark region" gnus-uu-unmark-region t]
2285 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
2286 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
2287 ["Mark all" gnus-uu-mark-all t]
2288 ["Mark buffer" gnus-uu-mark-buffer t]
2289 ["Mark sparse" gnus-uu-mark-sparse t]
2290 ["Mark thread" gnus-uu-mark-thread t]
2291 ["Unmark thread" gnus-uu-unmark-thread t]
2292 ("Process Mark Sets"
2293 ["Kill" gnus-summary-kill-process-mark t]
2294 ["Yank" gnus-summary-yank-process-mark
2295 gnus-newsgroup-process-stack]
2296 ["Save" gnus-summary-save-process-mark t]))
2298 ["Page forward" gnus-summary-next-page
2299 ,@(if (featurep 'xemacs) '(t)
2300 '(:help "Show next page of article"))]
2301 ["Page backward" gnus-summary-prev-page
2302 ,@(if (featurep 'xemacs) '(t)
2303 '(:help "Show previous page of article"))]
2304 ["Line forward" gnus-summary-scroll-up t])
2306 ["Next unread article" gnus-summary-next-unread-article t]
2307 ["Previous unread article" gnus-summary-prev-unread-article t]
2308 ["Next article" gnus-summary-next-article t]
2309 ["Previous article" gnus-summary-prev-article t]
2310 ["Next unread subject" gnus-summary-next-unread-subject t]
2311 ["Previous unread subject" gnus-summary-prev-unread-subject t]
2312 ["Next article same subject" gnus-summary-next-same-subject t]
2313 ["Previous article same subject" gnus-summary-prev-same-subject t]
2314 ["First unread article" gnus-summary-first-unread-article t]
2315 ["Best unread article" gnus-summary-best-unread-article t]
2316 ["Go to subject number..." gnus-summary-goto-subject t]
2317 ["Go to article number..." gnus-summary-goto-article t]
2318 ["Go to the last article" gnus-summary-goto-last-article t]
2319 ["Pop article off history" gnus-summary-pop-article t])
2321 ["Sort by number" gnus-summary-sort-by-number t]
2322 ["Sort by author" gnus-summary-sort-by-author t]
2323 ["Sort by subject" gnus-summary-sort-by-subject t]
2324 ["Sort by date" gnus-summary-sort-by-date t]
2325 ["Sort by score" gnus-summary-sort-by-score t]
2326 ["Sort by lines" gnus-summary-sort-by-lines t]
2327 ["Sort by characters" gnus-summary-sort-by-chars t]
2328 ["Randomize" gnus-summary-sort-by-random t]
2329 ["Original sort" gnus-summary-sort-by-original t])
2331 ["Fetch group FAQ" gnus-summary-fetch-faq t]
2332 ["Describe group" gnus-summary-describe-group t]
2333 ["Read manual" gnus-info-find-node t])
2335 ["Pick and read" gnus-pick-mode t]
2336 ["Binary" gnus-binary-mode t])
2338 ["Regenerate" gnus-summary-prepare t]
2339 ["Insert cached articles" gnus-summary-insert-cached-articles t]
2340 ["Toggle threading" gnus-summary-toggle-threads t])
2341 ["See old articles" gnus-summary-insert-old-articles t]
2342 ["See new articles" gnus-summary-insert-new-articles t]
2343 ["Filter articles..." gnus-summary-execute-command t]
2344 ["Run command on subjects..." gnus-summary-universal-argument t]
2345 ["Search articles forward..." gnus-summary-search-article-forward t]
2346 ["Search articles backward..." gnus-summary-search-article-backward t]
2347 ["Toggle line truncation" gnus-summary-toggle-truncation t]
2348 ["Expand window" gnus-summary-expand-window t]
2349 ["Expire expirable articles" gnus-summary-expire-articles
2350 (gnus-check-backend-function
2351 'request-expire-articles gnus-newsgroup-name)]
2352 ["Edit local kill file" gnus-summary-edit-local-kill t]
2353 ["Edit main kill file" gnus-summary-edit-global-kill t]
2354 ["Edit group parameters" gnus-summary-edit-parameters t]
2355 ["Customize group parameters" gnus-summary-customize-parameters t]
2356 ["Send a bug report" gnus-bug t]
2358 ["Catchup and exit" gnus-summary-catchup-and-exit
2359 ,@(if (featurep 'xemacs) '(t)
2360 '(:help "Mark unread articles in this group as read, then exit"))]
2361 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
2362 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
2363 ["Exit group" gnus-summary-exit
2364 ,@(if (featurep 'xemacs) '(t)
2365 '(:help "Exit current group, return to group selection mode"))]
2366 ["Exit group without updating" gnus-summary-exit-no-update t]
2367 ["Exit and goto next group" gnus-summary-next-group t]
2368 ["Exit and goto prev group" gnus-summary-prev-group t]
2369 ["Reselect group" gnus-summary-reselect-current-group t]
2370 ["Rescan group" gnus-summary-rescan-group t]
2371 ["Update dribble" gnus-summary-save-newsrc t])))
2373 (gnus-run-hooks 'gnus-summary-menu-hook)))
2375 (defvar gnus-summary-tool-bar-map nil)
2377 ;; Emacs 21 tool bar. Should be no-op otherwise.
2378 (defun gnus-summary-make-tool-bar ()
2379 (if (and (fboundp 'tool-bar-add-item-from-menu)
2380 (default-value 'tool-bar-mode)
2381 (not gnus-summary-tool-bar-map))
2382 (setq gnus-summary-tool-bar-map
2383 (let ((tool-bar-map (make-sparse-keymap))
2384 (load-path (mm-image-load-path)))
2385 (tool-bar-add-item-from-menu
2386 'gnus-summary-prev-unread "prev-ur" gnus-summary-mode-map)
2387 (tool-bar-add-item-from-menu
2388 'gnus-summary-next-unread "next-ur" gnus-summary-mode-map)
2389 (tool-bar-add-item-from-menu
2390 'gnus-summary-post-news "post" gnus-summary-mode-map)
2391 (tool-bar-add-item-from-menu
2392 'gnus-summary-followup-with-original "fuwo" gnus-summary-mode-map)
2393 (tool-bar-add-item-from-menu
2394 'gnus-summary-followup "followup" gnus-summary-mode-map)
2395 (tool-bar-add-item-from-menu
2396 'gnus-summary-reply-with-original "reply-wo" gnus-summary-mode-map)
2397 (tool-bar-add-item-from-menu
2398 'gnus-summary-reply "reply" gnus-summary-mode-map)
2399 (tool-bar-add-item-from-menu
2400 'gnus-summary-caesar-message "rot13" gnus-summary-mode-map)
2401 (tool-bar-add-item-from-menu
2402 'gnus-uu-decode-uu "uu-decode" gnus-summary-mode-map)
2403 (tool-bar-add-item-from-menu
2404 'gnus-summary-save-article-file "save-aif" gnus-summary-mode-map)
2405 (tool-bar-add-item-from-menu
2406 'gnus-summary-save-article "save-art" gnus-summary-mode-map)
2407 (tool-bar-add-item-from-menu
2408 'gnus-uu-post-news "uu-post" gnus-summary-mode-map)
2409 (tool-bar-add-item-from-menu
2410 'gnus-summary-catchup "catchup" gnus-summary-mode-map)
2411 (tool-bar-add-item-from-menu
2412 'gnus-summary-catchup-and-exit "cu-exit" gnus-summary-mode-map)
2413 (tool-bar-add-item-from-menu
2414 'gnus-summary-exit "exit-summ" gnus-summary-mode-map)
2416 (if gnus-summary-tool-bar-map
2417 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
2419 (defun gnus-score-set-default (var value)
2420 "A version of set that updates the GNU Emacs menu-bar."
2422 ;; It is the message that forces the active status to be updated.
2425 (defun gnus-make-score-map (type)
2426 "Make a summary score map of type TYPE."
2429 (let ((headers '(("author" "from" string)
2430 ("subject" "subject" string)
2431 ("article body" "body" string)
2432 ("article head" "head" string)
2433 ("xref" "xref" string)
2434 ("extra header" "extra" string)
2435 ("lines" "lines" number)
2436 ("followups to author" "followup" string)))
2437 (types '((number ("less than" <)
2440 (string ("substring" s)
2444 (perms '(("temporary" (current-time-string))
2452 (if (eq type 'lower)
2457 (setq header (car headers))
2463 (let ((ts (cdr (assoc (nth 2 header) types)))
2479 'gnus-summary-score-entry
2481 (if (or (string= (nth 1 header)
2483 (string= (nth 1 header)
2486 (list 'gnus-summary-header
2488 (list 'quote (nth 1 (car ts)))
2489 (list 'gnus-score-delta-default
2496 (list (nreverse outp))))
2499 (list (nreverse outt))))
2501 (setq headers (cdr headers)))
2502 (list (nreverse outh))))))))
2506 (defun gnus-summary-mode (&optional group)
2507 "Major mode for reading articles.
2509 All normal editing commands are switched off.
2510 \\<gnus-summary-mode-map>
2511 Each line in this buffer represents one article. To read an
2512 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
2513 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
2516 You can also post articles and send mail from this buffer. To
2517 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
2518 of an article, type `\\[gnus-summary-reply]'.
2520 There are approx. one gazillion commands you can execute in this
2521 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
2523 The following commands are available:
2525 \\{gnus-summary-mode-map}"
2527 (kill-all-local-variables)
2528 (when (gnus-visual-p 'summary-menu 'menu)
2529 (gnus-summary-make-menu-bar)
2530 (gnus-summary-make-tool-bar))
2531 (gnus-summary-make-local-variables)
2532 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
2533 (gnus-summary-make-local-variables))
2534 (gnus-make-thread-indent-array)
2535 (gnus-simplify-mode-line)
2536 (setq major-mode 'gnus-summary-mode)
2537 (setq mode-name "Summary")
2538 (make-local-variable 'minor-mode-alist)
2539 (use-local-map gnus-summary-mode-map)
2540 (buffer-disable-undo)
2541 (setq buffer-read-only t) ;Disable modification
2542 (setq truncate-lines t)
2543 (setq selective-display t)
2544 (setq selective-display-ellipses t) ;Display `...'
2545 (gnus-summary-set-display-table)
2546 (gnus-set-default-directory)
2547 (setq gnus-newsgroup-name group)
2548 (make-local-variable 'gnus-summary-line-format)
2549 (make-local-variable 'gnus-summary-line-format-spec)
2550 (make-local-variable 'gnus-summary-dummy-line-format)
2551 (make-local-variable 'gnus-summary-dummy-line-format-spec)
2552 (make-local-variable 'gnus-summary-mark-positions)
2553 (make-local-hook 'pre-command-hook)
2554 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
2555 (gnus-run-hooks 'gnus-summary-mode-hook)
2556 (turn-on-gnus-mailing-list-mode)
2557 (mm-enable-multibyte)
2558 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
2559 (gnus-update-summary-mark-positions))
2561 (defun gnus-summary-make-local-variables ()
2562 "Make all the local summary buffer variables."
2564 (dolist (local gnus-summary-local-variables)
2567 (if (eq (cdr local) 'global)
2568 ;; Copy the global value of the variable.
2569 (setq global (symbol-value (car local)))
2570 ;; Use the value from the list.
2571 (setq global (eval (cdr local))))
2572 (set (make-local-variable (car local)) global))
2573 ;; Simple nil-valued local variable.
2574 (set (make-local-variable local) nil)))))
2576 (defun gnus-summary-clear-local-variables ()
2577 (let ((locals gnus-summary-local-variables))
2579 (if (consp (car locals))
2580 (and (vectorp (caar locals))
2581 (set (caar locals) nil))
2582 (and (vectorp (car locals))
2583 (set (car locals) nil)))
2584 (setq locals (cdr locals)))))
2586 ;; Summary data functions.
2588 (defmacro gnus-data-number (data)
2591 (defmacro gnus-data-set-number (data number)
2592 `(setcar ,data ,number))
2594 (defmacro gnus-data-mark (data)
2597 (defmacro gnus-data-set-mark (data mark)
2598 `(setcar (nthcdr 1 ,data) ,mark))
2600 (defmacro gnus-data-pos (data)
2603 (defmacro gnus-data-set-pos (data pos)
2604 `(setcar (nthcdr 2 ,data) ,pos))
2606 (defmacro gnus-data-header (data)
2609 (defmacro gnus-data-set-header (data header)
2610 `(setf (nth 3 ,data) ,header))
2612 (defmacro gnus-data-level (data)
2615 (defmacro gnus-data-unread-p (data)
2616 `(= (nth 1 ,data) gnus-unread-mark))
2618 (defmacro gnus-data-read-p (data)
2619 `(/= (nth 1 ,data) gnus-unread-mark))
2621 (defmacro gnus-data-pseudo-p (data)
2622 `(consp (nth 3 ,data)))
2624 (defmacro gnus-data-find (number)
2625 `(assq ,number gnus-newsgroup-data))
2627 (defmacro gnus-data-find-list (number &optional data)
2628 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
2629 (memq (assq ,number bdata)
2632 (defmacro gnus-data-make (number mark pos header level)
2633 `(list ,number ,mark ,pos ,header ,level))
2635 (defun gnus-data-enter (after-article number mark pos header level offset)
2636 (let ((data (gnus-data-find-list after-article)))
2638 (error "No such article: %d" after-article))
2639 (setcdr data (cons (gnus-data-make number mark pos header level)
2641 (setq gnus-newsgroup-data-reverse nil)
2642 (gnus-data-update-list (cddr data) offset)))
2644 (defun gnus-data-enter-list (after-article list &optional offset)
2646 (let ((data (and after-article (gnus-data-find-list after-article)))
2650 (let ((odata gnus-newsgroup-data))
2651 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
2653 (gnus-data-update-list odata offset)))
2654 ;; Find the last element in the list to be spliced into the main
2657 (setq list (cdr list)))
2660 (setcdr list gnus-newsgroup-data)
2661 (setq gnus-newsgroup-data ilist)
2663 (gnus-data-update-list (cdr list) offset)))
2664 (setcdr list (cdr data))
2667 (gnus-data-update-list (cdr list) offset))))
2668 (setq gnus-newsgroup-data-reverse nil))))
2670 (defun gnus-data-remove (article &optional offset)
2671 (let ((data gnus-newsgroup-data))
2672 (if (= (gnus-data-number (car data)) article)
2674 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
2675 gnus-newsgroup-data-reverse nil)
2677 (gnus-data-update-list gnus-newsgroup-data offset)))
2679 (when (= (gnus-data-number (cadr data)) article)
2680 (setcdr data (cddr data))
2682 (gnus-data-update-list (cdr data) offset))
2684 gnus-newsgroup-data-reverse nil))
2685 (setq data (cdr data))))))
2687 (defmacro gnus-data-list (backward)
2689 (or gnus-newsgroup-data-reverse
2690 (setq gnus-newsgroup-data-reverse
2691 (reverse gnus-newsgroup-data)))
2692 gnus-newsgroup-data))
2694 (defun gnus-data-update-list (data offset)
2695 "Add OFFSET to the POS of all data entries in DATA."
2696 (setq gnus-newsgroup-data-reverse nil)
2698 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
2699 (setq data (cdr data))))
2701 (defun gnus-summary-article-pseudo-p (article)
2702 "Say whether this article is a pseudo article or not."
2703 (not (vectorp (gnus-data-header (gnus-data-find article)))))
2705 (defmacro gnus-summary-article-sparse-p (article)
2706 "Say whether this article is a sparse article or not."
2707 `(memq ,article gnus-newsgroup-sparse))
2709 (defmacro gnus-summary-article-ancient-p (article)
2710 "Say whether this article is a sparse article or not."
2711 `(memq ,article gnus-newsgroup-ancient))
2713 (defun gnus-article-parent-p (number)
2714 "Say whether this article is a parent or not."
2715 (let ((data (gnus-data-find-list number)))
2716 (and (cdr data) ; There has to be an article after...
2717 (< (gnus-data-level (car data)) ; And it has to have a higher level.
2718 (gnus-data-level (nth 1 data))))))
2720 (defun gnus-article-children (number)
2721 "Return a list of all children to NUMBER."
2722 (let* ((data (gnus-data-find-list number))
2723 (level (gnus-data-level (car data)))
2725 (setq data (cdr data))
2727 (= (gnus-data-level (car data)) (1+ level)))
2728 (push (gnus-data-number (car data)) children)
2729 (setq data (cdr data)))
2732 (defmacro gnus-summary-skip-intangible ()
2733 "If the current article is intangible, then jump to a different article."
2734 '(let ((to (get-text-property (point) 'gnus-intangible)))
2735 (and to (gnus-summary-goto-subject to))))
2737 (defmacro gnus-summary-article-intangible-p ()
2738 "Say whether this article is intangible or not."
2739 '(get-text-property (point) 'gnus-intangible))
2741 (defun gnus-article-read-p (article)
2742 "Say whether ARTICLE is read or not."
2743 (not (or (memq article gnus-newsgroup-marked)
2744 (memq article gnus-newsgroup-spam-marked)
2745 (memq article gnus-newsgroup-unreads)
2746 (memq article gnus-newsgroup-unselected)
2747 (memq article gnus-newsgroup-dormant))))
2749 ;; Some summary mode macros.
2751 (defmacro gnus-summary-article-number ()
2752 "The article number of the article on the current line.
2753 If there isn's an article number here, then we return the current
2756 (gnus-summary-skip-intangible)
2757 (or (get-text-property (point) 'gnus-number)
2758 (gnus-summary-last-subject))))
2760 (defmacro gnus-summary-article-header (&optional number)
2761 "Return the header of article NUMBER."
2762 `(gnus-data-header (gnus-data-find
2763 ,(or number '(gnus-summary-article-number)))))
2765 (defmacro gnus-summary-thread-level (&optional number)
2766 "Return the level of thread that starts with article NUMBER."
2767 `(if (and (eq gnus-summary-make-false-root 'dummy)
2768 (get-text-property (point) 'gnus-intangible))
2770 (gnus-data-level (gnus-data-find
2771 ,(or number '(gnus-summary-article-number))))))
2773 (defmacro gnus-summary-article-mark (&optional number)
2774 "Return the mark of article NUMBER."
2775 `(gnus-data-mark (gnus-data-find
2776 ,(or number '(gnus-summary-article-number)))))
2778 (defmacro gnus-summary-article-pos (&optional number)
2779 "Return the position of the line of article NUMBER."
2780 `(gnus-data-pos (gnus-data-find
2781 ,(or number '(gnus-summary-article-number)))))
2783 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
2784 (defmacro gnus-summary-article-subject (&optional number)
2785 "Return current subject string or nil if nothing."
2788 `(gnus-data-header (assq ,number gnus-newsgroup-data))
2789 '(gnus-data-header (assq (gnus-summary-article-number)
2790 gnus-newsgroup-data)))))
2793 (mail-header-subject headers))))
2795 (defmacro gnus-summary-article-score (&optional number)
2796 "Return current article score."
2797 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
2798 gnus-newsgroup-scored))
2799 gnus-summary-default-score 0))
2801 (defun gnus-summary-article-children (&optional number)
2802 "Return a list of article numbers that are children of article NUMBER."
2803 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
2804 (level (gnus-data-level (car data)))
2806 (while (and (setq data (cdr data))
2807 (> (setq l (gnus-data-level (car data))) level))
2808 (and (= (1+ level) l)
2809 (push (gnus-data-number (car data))
2811 (nreverse children)))
2813 (defun gnus-summary-article-parent (&optional number)
2814 "Return the article number of the parent of article NUMBER."
2815 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
2816 (gnus-data-list t)))
2817 (level (gnus-data-level (car data))))
2819 () ; This is a root.
2820 ;; We search until we find an article with a level less than
2821 ;; this one. That function has to be the parent.
2822 (while (and (setq data (cdr data))
2823 (not (< (gnus-data-level (car data)) level))))
2824 (and data (gnus-data-number (car data))))))
2826 (defun gnus-unread-mark-p (mark)
2827 "Say whether MARK is the unread mark."
2828 (= mark gnus-unread-mark))
2830 (defun gnus-read-mark-p (mark)
2831 "Say whether MARK is one of the marks that mark as read.
2832 This is all marks except unread, ticked, dormant, and expirable."
2833 (not (or (= mark gnus-unread-mark)
2834 (= mark gnus-ticked-mark)
2835 (= mark gnus-dormant-mark)
2836 (= mark gnus-expirable-mark))))
2838 (defmacro gnus-article-mark (number)
2839 "Return the MARK of article NUMBER.
2840 This macro should only be used when computing the mark the \"first\"
2841 time; i.e., when generating the summary lines. After that,
2842 `gnus-summary-article-mark' should be used to examine the
2845 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
2846 ((memq ,number gnus-newsgroup-undownloaded) gnus-undownloaded-mark)
2847 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
2848 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
2849 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
2850 ((memq ,number gnus-newsgroup-spam-marked) gnus-spam-mark)
2851 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
2852 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
2853 (t (or (cdr (assq ,number gnus-newsgroup-reads))
2854 gnus-ancient-mark))))
2856 ;; Saving hidden threads.
2858 (defmacro gnus-save-hidden-threads (&rest forms)
2859 "Save hidden threads, eval FORMS, and restore the hidden threads."
2860 (let ((config (make-symbol "config")))
2861 `(let ((,config (gnus-hidden-threads-configuration)))
2865 (gnus-restore-hidden-threads-configuration ,config)))))
2866 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
2867 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
2869 (defun gnus-data-compute-positions ()
2870 "Compute the positions of all articles."
2871 (setq gnus-newsgroup-data-reverse nil)
2872 (let ((data gnus-newsgroup-data))
2874 (gnus-save-hidden-threads
2875 (gnus-summary-show-all-threads)
2876 (goto-char (point-min))
2878 (while (get-text-property (point) 'gnus-intangible)
2880 (gnus-data-set-pos (car data) (+ (point) 3))
2881 (setq data (cdr data))
2882 (forward-line 1))))))
2884 (defun gnus-hidden-threads-configuration ()
2885 "Return the current hidden threads configuration."
2888 (goto-char (point-min))
2889 (while (search-forward "\r" nil t)
2890 (push (1- (point)) config))
2893 (defun gnus-restore-hidden-threads-configuration (config)
2894 "Restore hidden threads configuration from CONFIG."
2896 (let (point buffer-read-only)
2897 (while (setq point (pop config))
2898 (when (and (< point (point-max))
2900 (eq (char-after) ?\n))
2901 (subst-char-in-region point (1+ point) ?\n ?\r))))))
2903 ;; Various summary mode internalish functions.
2905 (defun gnus-mouse-pick-article (e)
2908 (gnus-summary-next-page nil t))
2910 (defun gnus-summary-set-display-table ()
2911 "Change the display table.
2912 Odd characters have a tendency to mess
2913 up nicely formatted displays - we make all possible glyphs
2914 display only a single character."
2916 ;; We start from the standard display table, if any.
2917 (let ((table (or (copy-sequence standard-display-table)
2918 (make-display-table)))
2920 ;; Nix out all the control chars...
2921 (while (>= (setq i (1- i)) 0)
2922 (aset table i [??]))
2923 ;; ... but not newline and cr, of course. (cr is necessary for the
2924 ;; selective display).
2925 (aset table ?\n nil)
2926 (aset table ?\r nil)
2927 ;; We keep TAB as well.
2928 (aset table ?\t nil)
2929 ;; We nix out any glyphs over 126 that are not set already.
2931 (while (>= (setq i (1- i)) 127)
2932 ;; Only modify if the entry is nil.
2933 (unless (aref table i)
2934 (aset table i [??]))))
2935 (setq buffer-display-table table)))
2937 (defun gnus-summary-set-article-display-arrow (pos)
2938 "Update the overlay arrow to point to line at position POS."
2939 (when (and gnus-summary-display-arrow
2940 (boundp 'overlay-arrow-position)
2941 (boundp 'overlay-arrow-string))
2945 (unless overlay-arrow-position
2946 (setq overlay-arrow-position (make-marker)))
2947 (setq overlay-arrow-string "=>"
2948 overlay-arrow-position (set-marker overlay-arrow-position
2950 (current-buffer))))))
2952 (defun gnus-summary-buffer-name (group)
2953 "Return the summary buffer name of GROUP."
2954 (concat "*Summary " (gnus-group-decoded-name group) "*"))
2956 (defun gnus-summary-setup-buffer (group)
2957 "Initialize summary buffer."
2958 (let ((buffer (gnus-summary-buffer-name group))
2959 (dead-name (concat "*Dead Summary "
2960 (gnus-group-decoded-name group) "*")))
2961 ;; If a dead summary buffer exists, we kill it.
2962 (when (gnus-buffer-live-p dead-name)
2963 (gnus-kill-buffer dead-name))
2964 (if (get-buffer buffer)
2967 (setq gnus-summary-buffer (current-buffer))
2968 (not gnus-newsgroup-prepared))
2969 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
2970 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
2971 (gnus-summary-mode group)
2973 (gnus-carpal-setup-buffer 'summary))
2974 (unless gnus-single-article-buffer
2975 (make-local-variable 'gnus-article-buffer)
2976 (make-local-variable 'gnus-article-current)
2977 (make-local-variable 'gnus-original-article-buffer))
2978 (setq gnus-newsgroup-name group)
2979 ;; Set any local variables in the group parameters.
2980 (gnus-summary-set-local-parameters gnus-newsgroup-name)
2983 (defun gnus-set-global-variables ()
2984 "Set the global equivalents of the buffer-local variables.
2985 They are set to the latest values they had. These reflect the summary
2986 buffer that was in action when the last article was fetched."
2987 (when (eq major-mode 'gnus-summary-mode)
2988 (setq gnus-summary-buffer (current-buffer))
2989 (let ((name gnus-newsgroup-name)
2990 (marked gnus-newsgroup-marked)
2991 (spam gnus-newsgroup-spam-marked)
2992 (unread gnus-newsgroup-unreads)
2993 (headers gnus-current-headers)
2994 (data gnus-newsgroup-data)
2995 (summary gnus-summary-buffer)
2996 (article-buffer gnus-article-buffer)
2997 (original gnus-original-article-buffer)
2998 (gac gnus-article-current)
2999 (reffed gnus-reffed-article-number)
3000 (score-file gnus-current-score-file)
3001 (default-charset gnus-newsgroup-charset)
3003 (let ((locals gnus-newsgroup-variables))
3005 (if (consp (car locals))
3006 (push (eval (caar locals)) vlist)
3007 (push (eval (car locals)) vlist))
3008 (setq locals (cdr locals)))
3009 (setq vlist (nreverse vlist)))
3011 (set-buffer gnus-group-buffer)
3012 (setq gnus-newsgroup-name name
3013 gnus-newsgroup-marked marked
3014 gnus-newsgroup-spam-marked spam
3015 gnus-newsgroup-unreads unread
3016 gnus-current-headers headers
3017 gnus-newsgroup-data data
3018 gnus-article-current gac
3019 gnus-summary-buffer summary
3020 gnus-article-buffer article-buffer
3021 gnus-original-article-buffer original
3022 gnus-reffed-article-number reffed
3023 gnus-current-score-file score-file
3024 gnus-newsgroup-charset default-charset)
3025 (let ((locals gnus-newsgroup-variables))
3027 (if (consp (car locals))
3028 (set (caar locals) (pop vlist))
3029 (set (car locals) (pop vlist)))
3030 (setq locals (cdr locals))))
3031 ;; The article buffer also has local variables.
3032 (when (gnus-buffer-live-p gnus-article-buffer)
3033 (set-buffer gnus-article-buffer)
3034 (setq gnus-summary-buffer summary))))))
3036 (defun gnus-summary-article-unread-p (article)
3037 "Say whether ARTICLE is unread or not."
3038 (memq article gnus-newsgroup-unreads))
3040 (defun gnus-summary-first-article-p (&optional article)
3041 "Return whether ARTICLE is the first article in the buffer."
3042 (if (not (setq article (or article (gnus-summary-article-number))))
3044 (eq article (caar gnus-newsgroup-data))))
3046 (defun gnus-summary-last-article-p (&optional article)
3047 "Return whether ARTICLE is the last article in the buffer."
3048 (if (not (setq article (or article (gnus-summary-article-number))))
3049 ;; All non-existent numbers are the last article. :-)
3051 (not (cdr (gnus-data-find-list article)))))
3053 (defun gnus-make-thread-indent-array ()
3055 (unless (and gnus-thread-indent-array
3056 (= gnus-thread-indent-level gnus-thread-indent-array-level))
3057 (setq gnus-thread-indent-array (make-vector 201 "")
3058 gnus-thread-indent-array-level gnus-thread-indent-level)
3060 (aset gnus-thread-indent-array n
3061 (make-string (* n gnus-thread-indent-level) ? ))
3064 (defun gnus-update-summary-mark-positions ()
3065 "Compute where the summary marks are to go."
3067 (when (gnus-buffer-exists-p gnus-summary-buffer)
3068 (set-buffer gnus-summary-buffer))
3069 (let ((gnus-replied-mark 129)
3070 (gnus-score-below-mark 130)
3071 (gnus-score-over-mark 130)
3072 (gnus-download-mark 131)
3073 (spec gnus-summary-line-format-spec)
3076 (gnus-set-work-buffer)
3077 (let ((gnus-summary-line-format-spec spec)
3078 (gnus-newsgroup-downloadable '((0 . t))))
3079 (gnus-summary-insert-line
3080 [0 "" "" "05 Apr 2001 23:33:09 +0400" "" "" 0 0 "" nil]
3081 0 nil 128 t nil "" nil 1)
3082 (goto-char (point-min))
3083 (setq pos (list (cons 'unread (and (search-forward "\200" nil t)
3084 (- (point) (point-min) 1)))))
3085 (goto-char (point-min))
3086 (push (cons 'replied (and (search-forward "\201" nil t)
3087 (- (point) (point-min) 1)))
3089 (goto-char (point-min))
3090 (push (cons 'score (and (search-forward "\202" nil t)
3091 (- (point) (point-min) 1)))
3093 (goto-char (point-min))
3094 (push (cons 'download
3095 (and (search-forward "\203" nil t)
3096 (- (point) (point-min) 1)))
3098 (setq gnus-summary-mark-positions pos))))
3100 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
3101 "Insert a dummy root in the summary buffer."
3103 (gnus-add-text-properties
3104 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
3105 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
3107 (defun gnus-summary-extract-address-component (from)
3108 (or (car (funcall gnus-extract-address-components from))
3111 (defun gnus-summary-from-or-to-or-newsgroups (header gnus-tmp-from)
3112 (let ((mail-parse-charset gnus-newsgroup-charset)
3113 ; Is it really necessary to do this next part for each summary line?
3114 ; Luckily, doesn't seem to slow things down much.
3115 (mail-parse-ignored-charsets
3116 (save-excursion (set-buffer gnus-summary-buffer)
3117 gnus-newsgroup-ignored-charsets)))
3119 (and gnus-ignored-from-addresses
3120 (string-match gnus-ignored-from-addresses gnus-tmp-from)
3121 (let ((extra-headers (mail-header-extra header))
3125 ((setq to (cdr (assq 'To extra-headers)))
3128 (gnus-summary-extract-address-component
3129 (funcall gnus-decode-encoded-word-function to)))))
3130 ((setq newsgroups (cdr (assq 'Newsgroups extra-headers)))
3131 (concat "=> " newsgroups)))))
3132 (inline (gnus-summary-extract-address-component gnus-tmp-from)))))
3134 (defun gnus-summary-insert-line (gnus-tmp-header
3135 gnus-tmp-level gnus-tmp-current
3136 gnus-tmp-unread gnus-tmp-replied
3137 gnus-tmp-expirable gnus-tmp-subject-or-nil
3138 &optional gnus-tmp-dummy gnus-tmp-score
3140 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
3141 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
3142 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
3143 (gnus-tmp-score-char
3144 (if (or (null gnus-summary-default-score)
3145 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3146 gnus-summary-zcore-fuzz))
3148 (if (< gnus-tmp-score gnus-summary-default-score)
3149 gnus-score-below-mark gnus-score-over-mark)))
3150 (gnus-tmp-number (mail-header-number gnus-tmp-header))
3152 (cond (gnus-tmp-process gnus-process-mark)
3153 ((memq gnus-tmp-current gnus-newsgroup-cached)
3155 (gnus-tmp-replied gnus-replied-mark)
3156 ((memq gnus-tmp-current gnus-newsgroup-forwarded)
3157 gnus-forwarded-mark)
3158 ((memq gnus-tmp-current gnus-newsgroup-saved)
3160 ((memq gnus-tmp-number gnus-newsgroup-recent)
3162 ((memq gnus-tmp-number gnus-newsgroup-unseen)
3165 (gnus-tmp-from (mail-header-from gnus-tmp-header))
3168 ((string-match "<[^>]+> *$" gnus-tmp-from)
3169 (let ((beg (match-beginning 0)))
3170 (or (and (string-match "^\".+\"" gnus-tmp-from)
3171 (substring gnus-tmp-from 1 (1- (match-end 0))))
3172 (substring gnus-tmp-from 0 beg))))
3173 ((string-match "(.+)" gnus-tmp-from)
3174 (substring gnus-tmp-from
3175 (1+ (match-beginning 0)) (1- (match-end 0))))
3177 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
3178 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
3179 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
3180 (buffer-read-only nil))
3181 (when (string= gnus-tmp-name "")
3182 (setq gnus-tmp-name gnus-tmp-from))
3183 (unless (numberp gnus-tmp-lines)
3184 (setq gnus-tmp-lines -1))
3185 (if (= gnus-tmp-lines -1)
3186 (setq gnus-tmp-lines "?")
3187 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
3188 (gnus-put-text-property
3190 (progn (eval gnus-summary-line-format-spec) (point))
3191 'gnus-number gnus-tmp-number)
3192 (when (gnus-visual-p 'summary-highlight 'highlight)
3194 (gnus-run-hooks 'gnus-summary-update-hook)
3197 (defun gnus-summary-update-line (&optional dont-update)
3198 "Update summary line after change."
3199 (when (and gnus-summary-default-score
3200 (not gnus-summary-inhibit-highlight))
3201 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
3202 (article (gnus-summary-article-number))
3203 (score (gnus-summary-article-score article)))
3205 (if (and gnus-summary-mark-below
3206 (< (gnus-summary-article-score)
3207 gnus-summary-mark-below))
3208 ;; This article has a low score, so we mark it as read.
3209 (when (memq article gnus-newsgroup-unreads)
3210 (gnus-summary-mark-article-as-read gnus-low-score-mark))
3211 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
3212 ;; This article was previously marked as read on account
3213 ;; of a low score, but now it has risen, so we mark it as
3215 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
3216 (gnus-summary-update-mark
3217 (if (or (null gnus-summary-default-score)
3218 (<= (abs (- score gnus-summary-default-score))
3219 gnus-summary-zcore-fuzz))
3221 (if (< score gnus-summary-default-score)
3222 gnus-score-below-mark gnus-score-over-mark))
3224 ;; Do visual highlighting.
3225 (when (gnus-visual-p 'summary-highlight 'highlight)
3226 (gnus-run-hooks 'gnus-summary-update-hook)))))
3228 (defvar gnus-tmp-new-adopts nil)
3230 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
3231 "Return the number of articles in THREAD.
3232 This may be 0 in some cases -- if none of the articles in
3233 the thread are to be displayed."
3235 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
3237 ((not (listp thread))
3239 ((and (consp thread) (cdr thread))
3242 'gnus-summary-number-of-articles-in-thread (cdr thread))))
3245 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
3248 (when (and level (zerop level) gnus-tmp-new-adopts)
3251 'gnus-summary-number-of-articles-in-thread
3252 gnus-tmp-new-adopts))))
3254 (if (> number 1) gnus-not-empty-thread-mark
3255 gnus-empty-thread-mark)
3258 (defun gnus-summary-set-local-parameters (group)
3259 "Go through the local params of GROUP and set all variable specs in that list."
3260 (let ((params (gnus-group-find-parameter group))
3261 (vars '(quit-config)) ; Ignore quit-config.
3264 (setq elem (car params)
3265 params (cdr params))
3266 (and (consp elem) ; Has to be a cons.
3267 (consp (cdr elem)) ; The cdr has to be a list.
3268 (symbolp (car elem)) ; Has to be a symbol in there.
3269 (not (memq (car elem) vars))
3270 (ignore-errors ; So we set it.
3271 (push (car elem) vars)
3272 (make-local-variable (car elem))
3273 (set (car elem) (eval (nth 1 elem))))))))
3275 (defun gnus-summary-read-group (group &optional show-all no-article
3276 kill-buffer no-display backward
3278 "Start reading news in newsgroup GROUP.
3279 If SHOW-ALL is non-nil, already read articles are also listed.
3280 If NO-ARTICLE is non-nil, no article is selected initially.
3281 If NO-DISPLAY, don't generate a summary buffer."
3285 (let ((gnus-auto-select-next nil))
3286 (or (gnus-summary-read-group-1
3287 group show-all no-article
3288 kill-buffer no-display
3291 select-articles nil)))))
3292 (eq gnus-auto-select-next 'quietly))
3293 (set-buffer gnus-group-buffer)
3294 ;; The entry function called above goes to the next
3295 ;; group automatically, so we go two groups back
3296 ;; if we are searching for the previous group.
3298 (gnus-group-prev-unread-group 2))
3299 (if (not (equal group (gnus-group-group-name)))
3300 (setq group (gnus-group-group-name))
3304 (defun gnus-summary-read-group-1 (group show-all no-article
3305 kill-buffer no-display
3306 &optional select-articles)
3307 ;; Killed foreign groups can't be entered.
3308 ;; (when (and (not (gnus-group-native-p group))
3309 ;; (not (gnus-gethash group gnus-newsrc-hashtb)))
3310 ;; (error "Dead non-native groups can't be entered"))
3311 (gnus-message 5 "Retrieving newsgroup: %s..."
3312 (gnus-group-decoded-name group))
3313 (let* ((new-group (gnus-summary-setup-buffer group))
3314 (quit-config (gnus-group-quit-config group))
3315 (did-select (and new-group (gnus-select-newsgroup
3316 group show-all select-articles))))
3318 ;; This summary buffer exists already, so we just select it.
3320 (gnus-set-global-variables)
3322 (gnus-kill-or-deaden-summary kill-buffer))
3323 (gnus-configure-windows 'summary 'force)
3324 (gnus-set-mode-line 'summary)
3325 (gnus-summary-position-point)
3328 ;; We couldn't select this group.
3330 (when (and (eq major-mode 'gnus-summary-mode)
3331 (not (equal (current-buffer) kill-buffer)))
3332 (kill-buffer (current-buffer))
3333 (if (not quit-config)
3335 ;; Update the info -- marks might need to be removed,
3337 (gnus-summary-update-info)
3338 (set-buffer gnus-group-buffer)
3339 (gnus-group-jump-to-group group)
3340 (gnus-group-next-unread-group 1))
3341 (gnus-handle-ephemeral-exit quit-config)))
3342 (let ((grpinfo (gnus-get-info group)))
3343 (if (null (gnus-info-read grpinfo))
3344 (gnus-message 3 "Group %s contains no messages"
3345 (gnus-group-decoded-name group))
3346 (gnus-message 3 "Can't select group")))
3348 ;; The user did a `C-g' while prompting for number of articles,
3349 ;; so we exit this group.
3350 ((eq did-select 'quit)
3351 (and (eq major-mode 'gnus-summary-mode)
3352 (not (equal (current-buffer) kill-buffer))
3353 (kill-buffer (current-buffer)))
3355 (gnus-kill-or-deaden-summary kill-buffer))
3356 (if (not quit-config)
3358 (set-buffer gnus-group-buffer)
3359 (gnus-group-jump-to-group group)
3360 (gnus-group-next-unread-group 1)
3361 (gnus-configure-windows 'group 'force))
3362 (gnus-handle-ephemeral-exit quit-config))
3363 ;; Finally signal the quit.
3365 ;; The group was successfully selected.
3367 (gnus-set-global-variables)
3368 ;; Save the active value in effect when the group was entered.
3369 (setq gnus-newsgroup-active
3371 (gnus-active gnus-newsgroup-name)))
3372 ;; You can change the summary buffer in some way with this hook.
3373 (gnus-run-hooks 'gnus-select-group-hook)
3374 (gnus-update-format-specifications
3375 nil 'summary 'summary-mode 'summary-dummy)
3376 (gnus-update-summary-mark-positions)
3377 ;; Do score processing.
3378 (when gnus-use-scoring
3379 (gnus-possibly-score-headers))
3380 ;; Check whether to fill in the gaps in the threads.
3381 (when gnus-build-sparse-threads
3382 (gnus-build-sparse-threads))
3383 ;; Find the initial limit.
3384 (if gnus-show-threads
3386 (let ((gnus-newsgroup-dormant nil))
3387 (gnus-summary-initial-limit show-all))
3388 (gnus-summary-initial-limit show-all))
3389 ;; When untreaded, all articles are always shown.
3390 (setq gnus-newsgroup-limit
3392 (lambda (header) (mail-header-number header))
3393 gnus-newsgroup-headers)))
3394 ;; Generate the summary buffer.
3396 (gnus-summary-prepare))
3397 (when gnus-use-trees
3398 (gnus-tree-open group)
3399 (setq gnus-summary-highlight-line-function
3400 'gnus-tree-highlight-article))
3401 ;; If the summary buffer is empty, but there are some low-scored
3402 ;; articles or some excluded dormants, we include these in the
3404 (when (and (zerop (buffer-size))
3406 (cond (gnus-newsgroup-dormant
3407 (gnus-summary-limit-include-dormant))
3408 ((and gnus-newsgroup-scored show-all)
3409 (gnus-summary-limit-include-expunged t))))
3410 ;; Function `gnus-apply-kill-file' must be called in this hook.
3411 (gnus-run-hooks 'gnus-apply-kill-hook)
3412 (if (and (zerop (buffer-size))
3415 ;; This newsgroup is empty.
3416 (gnus-summary-catchup-and-exit nil t)
3417 (gnus-message 6 "No unread news")
3419 (gnus-kill-or-deaden-summary kill-buffer))
3420 ;; Return nil from this function.
3422 ;; Hide conversation thread subtrees. We cannot do this in
3423 ;; gnus-summary-prepare-hook since kill processing may not
3424 ;; work with hidden articles.
3425 (gnus-summary-maybe-hide-threads)
3427 (gnus-kill-or-deaden-summary kill-buffer))
3428 (gnus-summary-auto-select-subject)
3429 ;; Show first unread article if requested.
3430 (if (and (not no-article)
3432 gnus-newsgroup-unreads
3433 gnus-auto-select-first)
3435 (gnus-configure-windows 'summary)
3436 (let ((art (gnus-summary-article-number)))
3437 (unless (or (memq art gnus-newsgroup-undownloaded)
3438 (memq art gnus-newsgroup-downloadable))
3439 (gnus-summary-goto-article art))))
3440 ;; Don't select any articles.
3441 (gnus-summary-position-point)
3442 (gnus-configure-windows 'summary 'force)
3443 (gnus-set-mode-line 'summary))
3444 (when (get-buffer-window gnus-group-buffer t)
3445 ;; Gotta use windows, because recenter does weird stuff if
3446 ;; the current buffer ain't the displayed window.
3447 (let ((owin (selected-window)))
3448 (select-window (get-buffer-window gnus-group-buffer t))
3449 (when (gnus-group-goto-group group)
3451 (select-window owin)))
3452 ;; Mark this buffer as "prepared".
3453 (setq gnus-newsgroup-prepared t)
3454 (gnus-run-hooks 'gnus-summary-prepared-hook)
3457 (defun gnus-summary-auto-select-subject ()
3458 "Select the subject line on initial group entry."
3459 (goto-char (point-min))
3461 ((eq gnus-auto-select-subject 'best)
3462 (gnus-summary-best-unread-subject))
3463 ((eq gnus-auto-select-subject 'unread)
3464 (gnus-summary-first-unread-subject))
3465 ((eq gnus-auto-select-subject 'unseen)
3466 (gnus-summary-first-unseen-subject))
3467 ((eq gnus-auto-select-subject 'unseen-or-unread)
3468 (gnus-summary-first-unseen-or-unread-subject))
3469 ((eq gnus-auto-select-subject 'first)
3472 ((gnus-functionp gnus-auto-select-subject)
3473 (funcall gnus-auto-select-subject))))
3475 (defun gnus-summary-prepare ()
3476 "Generate the summary buffer."
3478 (let ((buffer-read-only nil))
3480 (setq gnus-newsgroup-data nil
3481 gnus-newsgroup-data-reverse nil)
3482 (gnus-run-hooks 'gnus-summary-generate-hook)
3483 ;; Generate the buffer, either with threads or without.
3484 (when gnus-newsgroup-headers
3485 (gnus-summary-prepare-threads
3486 (if gnus-show-threads
3487 (gnus-sort-gathered-threads
3488 (funcall gnus-summary-thread-gathering-function
3490 (gnus-cut-threads (gnus-make-threads)))))
3491 ;; Unthreaded display.
3492 (gnus-sort-articles gnus-newsgroup-headers))))
3493 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
3494 ;; Call hooks for modifying summary buffer.
3495 (goto-char (point-min))
3496 (gnus-run-hooks 'gnus-summary-prepare-hook)))
3498 (defsubst gnus-general-simplify-subject (subject)
3499 "Simply subject by the same rules as gnus-gather-threads-by-subject."
3502 ;; Truncate the subject.
3503 (gnus-simplify-subject-functions
3504 (gnus-map-function gnus-simplify-subject-functions subject))
3505 ((numberp gnus-summary-gather-subject-limit)
3506 (setq subject (gnus-simplify-subject-re subject))
3507 (if (> (length subject) gnus-summary-gather-subject-limit)
3508 (substring subject 0 gnus-summary-gather-subject-limit)
3510 ;; Fuzzily simplify it.
3511 ((eq 'fuzzy gnus-summary-gather-subject-limit)
3512 (gnus-simplify-subject-fuzzy subject))
3513 ;; Just remove the leading "Re:".
3515 (gnus-simplify-subject-re subject))))
3517 (if (and gnus-summary-gather-exclude-subject
3518 (string-match gnus-summary-gather-exclude-subject subject))
3519 nil ; This article shouldn't be gathered
3522 (defun gnus-summary-simplify-subject-query ()
3523 "Query where the respool algorithm would put this article."
3525 (gnus-summary-select-article)
3526 (message (gnus-general-simplify-subject (gnus-summary-article-subject))))
3528 (defun gnus-gather-threads-by-subject (threads)
3529 "Gather threads by looking at Subject headers."
3530 (if (not gnus-summary-make-false-root)
3532 (let ((hashtb (gnus-make-hashtable 1024))
3535 subject hthread whole-subject)
3537 (setq subject (gnus-general-simplify-subject
3538 (setq whole-subject (mail-header-subject
3541 (if (setq hthread (gnus-gethash subject hashtb))
3543 ;; We enter a dummy root into the thread, if we
3544 ;; haven't done that already.
3545 (unless (stringp (caar hthread))
3546 (setcar hthread (list whole-subject (car hthread))))
3547 ;; We add this new gathered thread to this gathered
3549 (setcdr (car hthread)
3550 (nconc (cdar hthread) (list (car threads))))
3551 ;; Remove it from the list of threads.
3552 (setcdr prev (cdr threads))
3553 (setq threads prev))
3554 ;; Enter this thread into the hash table.
3555 (gnus-sethash subject threads hashtb)))
3557 (setq threads (cdr threads)))
3560 (defun gnus-gather-threads-by-references (threads)
3561 "Gather threads by looking at References headers."
3562 (let ((idhashtb (gnus-make-hashtable 1024))
3563 (thhashtb (gnus-make-hashtable 1024))
3566 ids references id gthread gid entered ref)
3568 (when (setq references (mail-header-references (caar threads)))
3569 (setq id (mail-header-id (caar threads))
3570 ids (inline (gnus-split-references references))
3572 (while (setq ref (pop ids))
3573 (setq ids (delete ref ids))
3574 (if (not (setq gid (gnus-gethash ref idhashtb)))
3576 (gnus-sethash ref id idhashtb)
3577 (gnus-sethash id threads thhashtb))
3578 (setq gthread (gnus-gethash gid thhashtb))
3580 ;; We enter a dummy root into the thread, if we
3581 ;; haven't done that already.
3582 (unless (stringp (caar gthread))
3583 (setcar gthread (list (mail-header-subject (caar gthread))
3585 ;; We add this new gathered thread to this gathered
3587 (setcdr (car gthread)
3588 (nconc (cdar gthread) (list (car threads)))))
3589 ;; Add it into the thread hash table.
3590 (gnus-sethash id gthread thhashtb)
3592 ;; Remove it from the list of threads.
3593 (setcdr prev (cdr threads))
3594 (setq threads prev))))
3596 (setq threads (cdr threads)))
3599 (defun gnus-sort-gathered-threads (threads)
3600 "Sort subtreads inside each gathered thread by `gnus-sort-gathered-threads-function'."
3601 (let ((result threads))
3603 (when (stringp (caar threads))
3604 (setcdr (car threads)
3605 (sort (cdar threads) gnus-sort-gathered-threads-function)))
3606 (setq threads (cdr threads)))
3609 (defun gnus-thread-loop-p (root thread)
3610 "Say whether ROOT is in THREAD."
3611 (let ((stack (list thread))
3614 (while (setq thread (pop stack))
3615 (setq th (cdr thread))
3617 (not (eq (caar th) root)))
3620 ;; We have found a loop.
3622 (setcdr thread (delq (car th) (cdr thread)))
3623 (if (boundp (setq ref-dep (intern "none"
3624 gnus-newsgroup-dependencies)))
3625 (setcdr (symbol-value ref-dep)
3626 (nconc (cdr (symbol-value ref-dep))
3628 (set ref-dep (list nil (car th))))
3631 ;; Push all the subthreads onto the stack.
3632 (push (cdr thread) stack)))
3635 (defun gnus-make-threads ()
3636 "Go through the dependency hashtb and find the roots. Return all threads."
3638 (while (catch 'infloop
3641 ;; Deal with self-referencing References loops.
3642 (when (and (car (symbol-value refs))
3649 (car (symbol-value refs)) thread))
3650 (cdr (symbol-value refs)))))))
3653 (unless (car (symbol-value refs))
3654 ;; These threads do not refer back to any other
3655 ;; articles, so they're roots.
3656 (setq threads (append (cdr (symbol-value refs)) threads))))
3657 gnus-newsgroup-dependencies)))
3660 ;; Build the thread tree.
3661 (defsubst gnus-dependencies-add-header (header dependencies force-new)
3662 "Enter HEADER into the DEPENDENCIES table if it is not already there.
3664 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
3665 if it was already present.
3667 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
3668 will not be entered in the DEPENDENCIES table. Otherwise duplicate
3669 Message-IDs will be renamed to a unique Message-ID before being
3672 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
3673 (let* ((id (mail-header-id header))
3674 (id-dep (and id (intern id dependencies)))
3675 parent-id ref ref-dep ref-header replaced)
3676 ;; Enter this `header' in the `dependencies' table.
3680 ;; The first two cases do the normal part: enter a new `header'
3681 ;; in the `dependencies' table.
3682 ((not (boundp id-dep))
3683 (set id-dep (list header)))
3684 ((null (car (symbol-value id-dep)))
3685 (setcar (symbol-value id-dep) header))
3687 ;; From here the `header' was already present in the
3688 ;; `dependencies' table.
3690 ;; Overrides an existing entry;
3691 ;; just set the header part of the entry.
3692 (setcar (symbol-value id-dep) header)
3695 ;; Renames the existing `header' to a unique Message-ID.
3696 ((not gnus-summary-ignore-duplicates)
3697 ;; An article with this Message-ID has already been seen.
3698 ;; We rename the Message-ID.
3699 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
3701 (mail-header-set-id header id))
3703 ;; The last case ignores an existing entry, except it adds any
3704 ;; additional Xrefs (in case the two articles came from different
3706 ;; Also sets `header' to `nil' meaning that the `dependencies'
3707 ;; table was *not* modified.
3709 (mail-header-set-xref
3710 (car (symbol-value id-dep))
3711 (concat (or (mail-header-xref (car (symbol-value id-dep)))
3713 (or (mail-header-xref header) "")))
3716 (when (and header (not replaced))
3717 ;; First check that we are not creating a References loop.
3718 (setq parent-id (gnus-parent-id (mail-header-references header)))
3719 (setq ref parent-id)
3721 (setq ref-dep (intern-soft ref dependencies))
3723 (setq ref-header (car (symbol-value ref-dep))))
3724 (if (string= id ref)
3725 ;; Yuk! This is a reference loop. Make the article be a
3728 (mail-header-set-references (car (symbol-value id-dep)) "none")
3730 (setq parent-id nil))
3731 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
3732 (setq ref-dep (intern (or parent-id "none") dependencies))
3733 (if (boundp ref-dep)
3734 (setcdr (symbol-value ref-dep)
3735 (nconc (cdr (symbol-value ref-dep))
3736 (list (symbol-value id-dep))))
3737 (set ref-dep (list nil (symbol-value id-dep)))))
3740 (defun gnus-extract-message-id-from-in-reply-to (string)
3741 (if (string-match "<[^>]+>" string)
3742 (substring string (match-beginning 0) (match-end 0))
3745 (defun gnus-build-sparse-threads ()
3746 (let ((headers gnus-newsgroup-headers)
3747 (mail-parse-charset gnus-newsgroup-charset)
3748 (gnus-summary-ignore-duplicates t)
3749 header references generation relations
3750 subject child end new-child date)
3751 ;; First we create an alist of generations/relations, where
3752 ;; generations is how much we trust the relation, and the relation
3754 (gnus-message 7 "Making sparse threads...")
3756 (nnheader-set-temp-buffer " *gnus sparse threads*")
3757 (while (setq header (pop headers))
3758 (when (and (setq references (mail-header-references header))
3759 (not (string= references "")))
3761 (setq child (mail-header-id header)
3762 subject (mail-header-subject header)
3763 date (mail-header-date header)
3765 (while (search-backward ">" nil t)
3766 (setq end (1+ (point)))
3767 (when (search-backward "<" nil t)
3768 (setq new-child (buffer-substring (point) end))
3769 (push (list (incf generation)
3770 child (setq child new-child)
3774 (push (list (1+ generation) child nil subject) relations))
3776 (kill-buffer (current-buffer)))
3777 ;; Sort over trustworthiness.
3780 (when (gnus-dependencies-add-header
3781 (make-full-mail-header
3782 gnus-reffed-article-number
3783 (nth 3 relation) "" (or (nth 4 relation) "")
3785 (or (nth 2 relation) "") 0 0 "")
3786 gnus-newsgroup-dependencies nil)
3787 (push gnus-reffed-article-number gnus-newsgroup-limit)
3788 (push gnus-reffed-article-number gnus-newsgroup-sparse)
3789 (push (cons gnus-reffed-article-number gnus-sparse-mark)
3790 gnus-newsgroup-reads)
3791 (decf gnus-reffed-article-number)))
3792 (sort relations 'car-less-than-car))
3793 (gnus-message 7 "Making sparse threads...done")))
3795 (defun gnus-build-old-threads ()
3796 ;; Look at all the articles that refer back to old articles, and
3797 ;; fetch the headers for the articles that aren't there. This will
3798 ;; build complete threads - if the roots haven't been expired by the
3800 (let ((mail-parse-charset gnus-newsgroup-charset)
3804 (when (not (car (symbol-value refs)))
3805 (setq heads (cdr (symbol-value refs)))
3807 (if (memq (mail-header-number (caar heads))
3808 gnus-newsgroup-dormant)
3809 (setq heads (cdr heads))
3810 (setq id (symbol-name refs))
3811 (while (and (setq id (gnus-build-get-header id))
3812 (not (car (gnus-id-to-thread id)))))
3813 (setq heads nil)))))
3814 gnus-newsgroup-dependencies)))
3816 ;; This function has to be called with point after the article number
3817 ;; on the beginning of the line.
3818 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
3819 (let ((eol (gnus-point-at-eol))
3820 (buffer (current-buffer))
3821 header references in-reply-to)
3823 ;; overview: [num subject from date id refs chars lines misc]
3826 (narrow-to-region (point) eol)
3831 (make-full-mail-header
3833 (funcall gnus-decode-encoded-word-function
3834 (nnheader-nov-field)) ; subject
3835 (funcall gnus-decode-encoded-word-function
3836 (nnheader-nov-field)) ; from
3837 (nnheader-nov-field) ; date
3838 (nnheader-nov-read-message-id) ; id
3839 (setq references (nnheader-nov-field)) ; refs
3840 (nnheader-nov-read-integer) ; chars
3841 (nnheader-nov-read-integer) ; lines
3843 (if (looking-at "Xref: ")
3844 (goto-char (match-end 0)))
3845 (nnheader-nov-field)) ; Xref
3846 (nnheader-nov-parse-extra)))) ; extra
3850 (when (and (string= references "")
3851 (setq in-reply-to (mail-header-extra header))
3852 (setq in-reply-to (cdr (assq 'In-Reply-To in-reply-to))))
3853 (mail-header-set-references
3854 header (gnus-extract-message-id-from-in-reply-to in-reply-to)))
3856 (when gnus-alter-header-function
3857 (funcall gnus-alter-header-function header))
3858 (gnus-dependencies-add-header header dependencies force-new)))
3860 (defun gnus-build-get-header (id)
3861 "Look through the buffer of NOV lines and find the header to ID.
3862 Enter this line into the dependencies hash table, and return
3863 the id of the parent article (if any)."
3864 (let ((deps gnus-newsgroup-dependencies)
3868 (set-buffer nntp-server-buffer)
3869 (let ((case-fold-search nil))
3870 (goto-char (point-min))
3871 (while (and (not found)
3872 (search-forward id nil t))
3874 (setq found (looking-at
3875 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
3876 (regexp-quote id))))
3877 (or found (beginning-of-line 2)))
3881 (setq header (gnus-nov-parse-line
3882 (read (current-buffer)) deps))
3883 (gnus-parent-id (mail-header-references header))))))
3885 (let ((number (mail-header-number header)))
3886 (push number gnus-newsgroup-limit)
3887 (push header gnus-newsgroup-headers)
3888 (if (memq number gnus-newsgroup-unselected)
3890 (setq gnus-newsgroup-unreads
3891 (gnus-add-to-sorted-list gnus-newsgroup-unreads
3893 (setq gnus-newsgroup-unselected
3894 (delq number gnus-newsgroup-unselected)))
3895 (push number gnus-newsgroup-ancient)))))))
3897 (defun gnus-build-all-threads ()
3898 "Read all the headers."
3899 (let ((gnus-summary-ignore-duplicates t)
3900 (mail-parse-charset gnus-newsgroup-charset)
3901 (dependencies gnus-newsgroup-dependencies)
3904 (set-buffer nntp-server-buffer)
3905 (let ((case-fold-search nil))
3906 (goto-char (point-min))
3909 (setq article (read (current-buffer))
3910 header (gnus-nov-parse-line article dependencies)))
3913 (set-buffer gnus-summary-buffer)
3914 (push header gnus-newsgroup-headers)
3915 (if (memq (setq article (mail-header-number header))
3916 gnus-newsgroup-unselected)
3918 (setq gnus-newsgroup-unreads
3919 (gnus-add-to-sorted-list
3920 gnus-newsgroup-unreads article))
3921 (setq gnus-newsgroup-unselected
3922 (delq article gnus-newsgroup-unselected)))
3923 (push article gnus-newsgroup-ancient)))
3924 (forward-line 1)))))))
3926 (defun gnus-summary-update-article-line (article header)
3927 "Update the line for ARTICLE using HEADERS."
3928 (let* ((id (mail-header-id header))
3929 (thread (gnus-id-to-thread id)))
3931 (error "Article in no thread"))
3932 ;; Update the thread.
3933 (setcar thread header)
3934 (gnus-summary-goto-subject article)
3935 (let* ((datal (gnus-data-find-list article))
3937 (length (when (cdr datal)
3938 (- (gnus-data-pos data)
3939 (gnus-data-pos (cadr datal)))))
3940 (buffer-read-only nil)
3941 (level (gnus-summary-thread-level)))
3943 (gnus-summary-insert-line
3944 header level nil (gnus-article-mark article)
3945 (memq article gnus-newsgroup-replied)
3946 (memq article gnus-newsgroup-expirable)
3947 ;; Only insert the Subject string when it's different
3948 ;; from the previous Subject string.
3953 (mail-header-subject
3956 (gnus-data-find-list
3958 (gnus-data-list t)))))
3959 ;; Error on the side of excessive subjects.
3961 (mail-header-subject header)))
3963 (mail-header-subject header))
3964 nil (cdr (assq article gnus-newsgroup-scored))
3965 (memq article gnus-newsgroup-processable))
3967 (gnus-data-update-list
3968 (cdr datal) (- length (- (gnus-data-pos data) (point))))))))
3970 (defun gnus-summary-update-article (article &optional iheader)
3971 "Update ARTICLE in the summary buffer."
3972 (set-buffer gnus-summary-buffer)
3973 (let* ((header (gnus-summary-article-header article))
3974 (id (mail-header-id header))
3975 (data (gnus-data-find article))
3976 (thread (gnus-id-to-thread id))
3977 (references (mail-header-references header))
3981 (when (and references
3982 (not (equal "" references)))
3985 (buffer-read-only nil)
3991 (delq thread parent)))
3992 (if (gnus-summary-insert-subject id header)
3993 ;; Set the (possibly) new article number in the data structure.
3994 (gnus-data-set-number data (gnus-id-to-article id))
3998 (defun gnus-rebuild-thread (id &optional line)
3999 "Rebuild the thread containing ID.
4000 If LINE, insert the rebuilt thread starting on line LINE."
4001 (let ((buffer-read-only nil)
4002 old-pos current thread data)
4003 (if (not gnus-show-threads)
4004 (setq thread (list (car (gnus-id-to-thread id))))
4005 ;; Get the thread this article is part of.
4006 (setq thread (gnus-remove-thread id)))
4007 (setq old-pos (gnus-point-at-bol))
4008 (setq current (save-excursion
4009 (and (re-search-backward "[\r\n]" nil t)
4010 (gnus-summary-article-number))))
4011 ;; If this is a gathered thread, we have to go some re-gathering.
4012 (when (stringp (car thread))
4013 (let ((subject (car thread))
4015 (setq thread (cdr thread))
4017 (unless (memq (setq thr (gnus-id-to-thread
4019 (mail-header-id (caar thread)))))
4022 (setq thread (cdr thread)))
4023 ;; We now have all (unique) roots.
4024 (if (= (length roots) 1)
4025 ;; All the loose roots are now one solid root.
4026 (setq thread (car roots))
4027 (setq thread (cons subject (gnus-sort-threads roots))))))
4029 ;; We then insert this thread into the summary buffer.
4031 (goto-char (point-min))
4032 (forward-line (1- line)))
4033 (let (gnus-newsgroup-data gnus-newsgroup-threads)
4034 (if gnus-show-threads
4035 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
4036 (gnus-summary-prepare-unthreaded thread))
4037 (setq data (nreverse gnus-newsgroup-data))
4038 (setq threads gnus-newsgroup-threads))
4039 ;; We splice the new data into the data structure.
4040 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
4041 ;;!!! then we want to insert at the beginning of the buffer.
4042 ;;!!! That happens to be true with Gnus now, but that may
4043 ;;!!! change in the future. Perhaps.
4044 (gnus-data-enter-list
4045 (if line nil current) data (- (point) old-pos))
4046 (setq gnus-newsgroup-threads
4047 (nconc threads gnus-newsgroup-threads))
4048 (gnus-data-compute-positions))))
4050 (defun gnus-number-to-header (number)
4051 "Return the header for article NUMBER."
4052 (let ((headers gnus-newsgroup-headers))
4054 (not (= number (mail-header-number (car headers)))))
4059 (defun gnus-parent-headers (in-headers &optional generation)
4060 "Return the headers of the GENERATIONeth parent of HEADERS."
4062 (setq generation 1))
4064 (headers in-headers)
4067 (not (zerop generation))
4068 (setq references (mail-header-references headers)))
4069 (setq headers (if (and references
4070 (setq parent (gnus-parent-id references)))
4071 (car (gnus-id-to-thread parent))
4074 (and (not (eq headers in-headers))
4077 (defun gnus-id-to-thread (id)
4078 "Return the (sub-)thread where ID appears."
4079 (gnus-gethash id gnus-newsgroup-dependencies))
4081 (defun gnus-id-to-article (id)
4082 "Return the article number of ID."
4083 (let ((thread (gnus-id-to-thread id)))
4086 (mail-header-number (car thread)))))
4088 (defun gnus-id-to-header (id)
4089 "Return the article headers of ID."
4090 (car (gnus-id-to-thread id)))
4092 (defun gnus-article-displayed-root-p (article)
4093 "Say whether ARTICLE is a root(ish) article."
4094 (let ((level (gnus-summary-thread-level article))
4095 (refs (mail-header-references (gnus-summary-article-header article)))
4101 ((null (gnus-parent-id refs)) t)
4103 (null (setq particle (gnus-id-to-article
4104 (gnus-parent-id refs))))
4105 (null (gnus-summary-thread-level particle)))))))
4107 (defun gnus-root-id (id)
4108 "Return the id of the root of the thread where ID appears."
4110 (while (and id (setq prev (car (gnus-id-to-thread id))))
4112 id (gnus-parent-id (mail-header-references prev))))
4115 (defun gnus-articles-in-thread (thread)
4116 "Return the list of articles in THREAD."
4117 (cons (mail-header-number (car thread))
4118 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
4120 (defun gnus-remove-thread (id &optional dont-remove)
4121 "Remove the thread that has ID in it."
4122 (let (headers thread last-id)
4123 ;; First go up in this thread until we find the root.
4124 (setq last-id (gnus-root-id id)
4125 headers (message-flatten-list (gnus-id-to-thread last-id)))
4126 ;; We have now found the real root of this thread. It might have
4127 ;; been gathered into some loose thread, so we have to search
4128 ;; through the threads to find the thread we wanted.
4129 (let ((threads gnus-newsgroup-threads)
4132 (setq sub (car threads))
4133 (if (stringp (car sub))
4134 ;; This is a gathered thread, so we look at the roots
4135 ;; below it to find whether this article is in this
4138 (setq sub (cdr sub))
4140 (when (member (caar sub) headers)
4141 (setq thread (car threads)
4144 (setq sub (cdr sub))))
4145 ;; It's an ordinary thread, so we check it.
4146 (when (eq (car sub) (car headers))
4149 (setq threads (cdr threads)))
4150 ;; If this article is in no thread, then it's a root.
4153 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
4154 (setq thread (gnus-id-to-thread last-id)))
4157 thread ; We return this thread.
4159 (if (stringp (car thread))
4161 ;; If we use dummy roots, then we have to remove the
4162 ;; dummy root as well.
4163 (when (eq gnus-summary-make-false-root 'dummy)
4164 ;; We go to the dummy root by going to
4165 ;; the first sub-"thread", and then one line up.
4166 (gnus-summary-goto-article
4167 (mail-header-number (caadr thread)))
4170 (gnus-data-compute-positions))
4171 (setq thread (cdr thread))
4173 (gnus-remove-thread-1 (car thread))
4174 (setq thread (cdr thread))))
4175 (gnus-remove-thread-1 thread))))))))
4177 (defun gnus-remove-thread-1 (thread)
4178 "Remove the thread THREAD recursively."
4179 (let ((number (mail-header-number (pop thread)))
4181 (setq thread (reverse thread))
4183 (gnus-remove-thread-1 (pop thread)))
4184 (when (setq d (gnus-data-find number))
4185 (goto-char (gnus-data-pos d))
4186 (gnus-summary-show-thread)
4189 (- (gnus-point-at-bol)
4191 (1+ (gnus-point-at-eol))
4192 (gnus-delete-line)))))))
4194 (defun gnus-sort-threads-1 (threads func)
4195 (sort (mapcar (lambda (thread)
4198 (gnus-sort-threads-1 (cdr thread) func))))
4201 (defun gnus-sort-threads (threads)
4203 (if (not gnus-thread-sort-functions)
4205 (gnus-message 8 "Sorting threads...")
4207 (gnus-sort-threads-1
4209 (gnus-make-sort-function gnus-thread-sort-functions))
4210 (gnus-message 8 "Sorting threads...done"))))
4212 (defun gnus-sort-articles (articles)
4214 (when gnus-article-sort-functions
4215 (gnus-message 7 "Sorting articles...")
4217 (setq gnus-newsgroup-headers
4218 (sort articles (gnus-make-sort-function
4219 gnus-article-sort-functions)))
4220 (gnus-message 7 "Sorting articles...done"))))
4222 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
4223 (defmacro gnus-thread-header (thread)
4224 "Return header of first article in THREAD.
4225 Note that THREAD must never, ever be anything else than a variable -
4226 using some other form will lead to serious barfage."
4227 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
4228 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
4229 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207"
4232 (defsubst gnus-article-sort-by-number (h1 h2)
4233 "Sort articles by article number."
4234 (< (mail-header-number h1)
4235 (mail-header-number h2)))
4237 (defun gnus-thread-sort-by-number (h1 h2)
4238 "Sort threads by root article number."
4239 (gnus-article-sort-by-number
4240 (gnus-thread-header h1) (gnus-thread-header h2)))
4242 (defsubst gnus-article-sort-by-random (h1 h2)
4243 "Sort articles by article number."
4246 (defun gnus-thread-sort-by-random (h1 h2)
4247 "Sort threads by root article number."
4248 (gnus-article-sort-by-random
4249 (gnus-thread-header h1) (gnus-thread-header h2)))
4251 (defsubst gnus-article-sort-by-lines (h1 h2)
4252 "Sort articles by article Lines header."
4253 (< (mail-header-lines h1)
4254 (mail-header-lines h2)))
4256 (defun gnus-thread-sort-by-lines (h1 h2)
4257 "Sort threads by root article Lines header."
4258 (gnus-article-sort-by-lines
4259 (gnus-thread-header h1) (gnus-thread-header h2)))
4261 (defsubst gnus-article-sort-by-chars (h1 h2)
4262 "Sort articles by octet length."
4263 (< (mail-header-chars h1)
4264 (mail-header-chars h2)))
4266 (defun gnus-thread-sort-by-chars (h1 h2)
4267 "Sort threads by root article octet length."
4268 (gnus-article-sort-by-chars
4269 (gnus-thread-header h1) (gnus-thread-header h2)))
4271 (defsubst gnus-article-sort-by-author (h1 h2)
4272 "Sort articles by root author."
4274 (let ((extract (funcall
4275 gnus-extract-address-components
4276 (mail-header-from h1))))
4277 (or (car extract) (cadr extract) ""))
4278 (let ((extract (funcall
4279 gnus-extract-address-components
4280 (mail-header-from h2))))
4281 (or (car extract) (cadr extract) ""))))
4283 (defun gnus-thread-sort-by-author (h1 h2)
4284 "Sort threads by root author."
4285 (gnus-article-sort-by-author
4286 (gnus-thread-header h1) (gnus-thread-header h2)))
4288 (defsubst gnus-article-sort-by-subject (h1 h2)
4289 "Sort articles by root subject."
4291 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
4292 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
4294 (defun gnus-thread-sort-by-subject (h1 h2)
4295 "Sort threads by root subject."
4296 (gnus-article-sort-by-subject
4297 (gnus-thread-header h1) (gnus-thread-header h2)))
4299 (defsubst gnus-article-sort-by-date (h1 h2)
4300 "Sort articles by root article date."
4302 (gnus-date-get-time (mail-header-date h1))
4303 (gnus-date-get-time (mail-header-date h2))))
4305 (defun gnus-thread-sort-by-date (h1 h2)
4306 "Sort threads by root article date."
4307 (gnus-article-sort-by-date
4308 (gnus-thread-header h1) (gnus-thread-header h2)))
4310 (defsubst gnus-article-sort-by-score (h1 h2)
4311 "Sort articles by root article score.
4312 Unscored articles will be counted as having a score of zero."
4313 (> (or (cdr (assq (mail-header-number h1)
4314 gnus-newsgroup-scored))
4315 gnus-summary-default-score 0)
4316 (or (cdr (assq (mail-header-number h2)
4317 gnus-newsgroup-scored))
4318 gnus-summary-default-score 0)))
4320 (defun gnus-thread-sort-by-score (h1 h2)
4321 "Sort threads by root article score."
4322 (gnus-article-sort-by-score
4323 (gnus-thread-header h1) (gnus-thread-header h2)))
4325 (defun gnus-thread-sort-by-total-score (h1 h2)
4326 "Sort threads by the sum of all scores in the thread.
4327 Unscored articles will be counted as having a score of zero."
4328 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
4330 (defun gnus-thread-total-score (thread)
4331 ;; This function find the total score of THREAD.
4336 (if (stringp (car thread))
4337 (apply gnus-thread-score-function 0
4338 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
4339 (gnus-thread-total-score-1 thread)))
4341 (gnus-thread-total-score-1 (list thread)))))
4343 (defun gnus-thread-sort-by-most-recent-number (h1 h2)
4344 "Sort threads such that the thread with the most recently arrived article comes first."
4345 (> (gnus-thread-highest-number h1) (gnus-thread-highest-number h2)))
4347 (defun gnus-thread-highest-number (thread)
4348 "Return the highest article number in THREAD."
4349 (apply 'max (mapcar (lambda (header)
4350 (mail-header-number header))
4351 (message-flatten-list thread))))
4353 (defun gnus-thread-sort-by-most-recent-date (h1 h2)
4354 "Sort threads such that the thread with the most recently dated article comes first."
4355 (> (gnus-thread-latest-date h1) (gnus-thread-latest-date h2)))
4357 (defun gnus-thread-latest-date (thread)
4358 "Return the highest article date in THREAD."
4359 (let ((previous-time 0))
4364 (mail-header-parse-date
4366 (mail-header-date header)
4367 (error previous-time))))))
4369 (message-flatten-list thread)
4371 (< (mail-header-number h1)
4372 (mail-header-number h2))))))))
4374 (defun gnus-thread-total-score-1 (root)
4375 ;; This function find the total score of the thread below ROOT.
4376 (setq root (car root))
4377 (apply gnus-thread-score-function
4379 (mapcar 'gnus-thread-total-score
4380 (cdr (gnus-id-to-thread (mail-header-id root))))
4381 (when (> (mail-header-number root) 0)
4382 (list (or (cdr (assq (mail-header-number root)
4383 gnus-newsgroup-scored))
4384 gnus-summary-default-score 0))))
4385 (list gnus-summary-default-score)
4388 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
4389 (defvar gnus-tmp-prev-subject nil)
4390 (defvar gnus-tmp-false-parent nil)
4391 (defvar gnus-tmp-root-expunged nil)
4392 (defvar gnus-tmp-dummy-line nil)
4394 (eval-when-compile (defvar gnus-tmp-header))
4395 (defun gnus-extra-header (type &optional header)
4396 "Return the extra header of TYPE."
4397 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
4400 (defvar gnus-tmp-thread-tree-header-string "")
4402 (defcustom gnus-sum-thread-tree-root "> "
4403 "With %B spec, used for the root of a thread.
4404 If nil, use subject instead."
4406 :group 'gnus-thread)
4407 (defcustom gnus-sum-thread-tree-single-indent ""
4408 "With %B spec, used for a thread with just one message.
4409 If nil, use subject instead."
4411 :group 'gnus-thread)
4412 (defcustom gnus-sum-thread-tree-vertical "| "
4413 "With %B spec, used for drawing a vertical line."
4415 :group 'gnus-thread)
4416 (defcustom gnus-sum-thread-tree-indent " "
4417 "With %B spec, used for indenting."
4419 :group 'gnus-thread)
4420 (defcustom gnus-sum-thread-tree-leaf-with-other "+-> "
4421 "With %B spec, used for a leaf with brothers."
4423 :group 'gnus-thread)
4424 (defcustom gnus-sum-thread-tree-single-leaf "\\-> "
4425 "With %B spec, used for a leaf without brothers."
4427 :group 'gnus-thread)
4429 (defun gnus-summary-prepare-threads (threads)
4430 "Prepare summary buffer from THREADS and indentation LEVEL.
4431 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
4432 or a straight list of headers."
4433 (gnus-message 7 "Generating summary...")
4435 (setq gnus-newsgroup-threads threads)
4438 (let ((gnus-tmp-level 0)
4439 (default-score (or gnus-summary-default-score 0))
4440 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
4441 thread number subject stack state gnus-tmp-gathered beg-match
4442 new-roots gnus-tmp-new-adopts thread-end simp-subject
4443 gnus-tmp-header gnus-tmp-unread
4444 gnus-tmp-replied gnus-tmp-subject-or-nil
4445 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
4446 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
4447 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket
4450 (setq gnus-tmp-prev-subject nil)
4452 (if (vectorp (car threads))
4453 ;; If this is a straight (sic) list of headers, then a
4454 ;; threaded summary display isn't required, so we just create
4455 ;; an unthreaded one.
4456 (gnus-summary-prepare-unthreaded threads)
4458 ;; Do the threaded display.
4460 (while (or threads stack gnus-tmp-new-adopts new-roots)
4462 (if (and (= gnus-tmp-level 0)
4465 (not gnus-tmp-false-parent)
4466 (or gnus-tmp-new-adopts new-roots))
4467 (if gnus-tmp-new-adopts
4468 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
4469 thread (list (car gnus-tmp-new-adopts))
4470 gnus-tmp-header (caar thread)
4471 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
4473 (setq thread (list (car new-roots))
4474 gnus-tmp-header (caar thread)
4475 new-roots (cdr new-roots))))
4478 ;; If there are some threads, we do them before the
4479 ;; threads on the stack.
4480 (setq thread threads
4481 gnus-tmp-header (caar thread))
4482 ;; There were no current threads, so we pop something off
4484 (setq state (car stack)
4485 gnus-tmp-level (car state)
4486 tree-stack (cadr state)
4487 thread (caddr state)
4489 gnus-tmp-header (caar thread))))
4491 (setq gnus-tmp-false-parent nil)
4492 (setq gnus-tmp-root-expunged nil)
4493 (setq thread-end nil)
4495 (if (stringp gnus-tmp-header)
4496 ;; The header is a dummy root.
4498 ((eq gnus-summary-make-false-root 'adopt)
4499 ;; We let the first article adopt the rest.
4500 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
4502 (setq gnus-tmp-gathered
4504 (lambda (h) (mail-header-number (car h)))
4507 (setq thread (cons (list (caar thread)
4510 (setq gnus-tmp-level -1
4511 gnus-tmp-false-parent t))
4512 ((eq gnus-summary-make-false-root 'empty)
4513 ;; We print adopted articles with empty subject fields.
4514 (setq gnus-tmp-gathered
4516 (lambda (h) (mail-header-number (car h)))
4519 (setq gnus-tmp-level -1))
4520 ((eq gnus-summary-make-false-root 'dummy)
4521 ;; We remember that we probably want to output a dummy
4523 (setq gnus-tmp-dummy-line gnus-tmp-header)
4524 (setq gnus-tmp-prev-subject gnus-tmp-header))
4526 ;; We do not make a root for the gathered
4527 ;; sub-threads at all.
4528 (setq gnus-tmp-level -1)))
4530 (setq number (mail-header-number gnus-tmp-header)
4531 subject (mail-header-subject gnus-tmp-header)
4532 simp-subject (gnus-simplify-subject-fully subject))
4535 ;; If the thread has changed subject, we might want to make
4536 ;; this subthread into a root.
4537 ((and (null gnus-thread-ignore-subject)
4538 (not (zerop gnus-tmp-level))
4539 gnus-tmp-prev-subject
4540 (not (string= gnus-tmp-prev-subject simp-subject)))
4541 (setq new-roots (nconc new-roots (list (car thread)))
4543 gnus-tmp-header nil))
4544 ;; If the article lies outside the current limit,
4545 ;; then we do not display it.
4546 ((not (memq number gnus-newsgroup-limit))
4547 (setq gnus-tmp-gathered
4549 (lambda (h) (mail-header-number (car h)))
4552 (setq gnus-tmp-new-adopts (if (cdar thread)
4553 (append gnus-tmp-new-adopts
4555 gnus-tmp-new-adopts)
4557 gnus-tmp-header nil)
4558 (when (zerop gnus-tmp-level)
4559 (setq gnus-tmp-root-expunged t)))
4560 ;; Perhaps this article is to be marked as read?
4561 ((and gnus-summary-mark-below
4562 (< (or (cdr (assq number gnus-newsgroup-scored))
4564 gnus-summary-mark-below)
4565 ;; Don't touch sparse articles.
4566 (not (gnus-summary-article-sparse-p number))
4567 (not (gnus-summary-article-ancient-p number)))
4568 (setq gnus-newsgroup-unreads
4569 (delq number gnus-newsgroup-unreads))
4570 (if gnus-newsgroup-auto-expire
4571 (setq gnus-newsgroup-expirable
4572 (gnus-add-to-sorted-list
4573 gnus-newsgroup-expirable number))
4574 (push (cons number gnus-low-score-mark)
4575 gnus-newsgroup-reads))))
4577 (when gnus-tmp-header
4578 ;; We may have an old dummy line to output before this
4580 (when (and gnus-tmp-dummy-line
4583 (mail-header-subject gnus-tmp-header)))
4584 (gnus-summary-insert-dummy-line
4585 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
4586 (setq gnus-tmp-dummy-line nil))
4588 ;; Compute the mark.
4589 (setq gnus-tmp-unread (gnus-article-mark number))
4591 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
4592 gnus-tmp-header gnus-tmp-level)
4593 gnus-newsgroup-data)
4595 ;; Actually insert the line.
4597 gnus-tmp-subject-or-nil
4599 ((and gnus-thread-ignore-subject
4600 gnus-tmp-prev-subject
4601 (not (string= gnus-tmp-prev-subject simp-subject)))
4603 ((zerop gnus-tmp-level)
4604 (if (and (eq gnus-summary-make-false-root 'empty)
4605 (memq number gnus-tmp-gathered)
4606 gnus-tmp-prev-subject
4607 (string= gnus-tmp-prev-subject simp-subject))
4608 gnus-summary-same-subject
4610 (t gnus-summary-same-subject)))
4611 (if (and (eq gnus-summary-make-false-root 'adopt)
4612 (= gnus-tmp-level 1)
4613 (memq number gnus-tmp-gathered))
4614 (setq gnus-tmp-opening-bracket ?\<
4615 gnus-tmp-closing-bracket ?\>)
4616 (setq gnus-tmp-opening-bracket ?\[
4617 gnus-tmp-closing-bracket ?\]))
4619 gnus-tmp-indentation
4620 (aref gnus-thread-indent-array gnus-tmp-level)
4621 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
4622 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
4623 gnus-summary-default-score 0)
4625 (if (or (null gnus-summary-default-score)
4626 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
4627 gnus-summary-zcore-fuzz))
4629 (if (< gnus-tmp-score gnus-summary-default-score)
4630 gnus-score-below-mark gnus-score-over-mark))
4632 (cond ((memq number gnus-newsgroup-processable)
4634 ((memq number gnus-newsgroup-cached)
4636 ((memq number gnus-newsgroup-replied)
4638 ((memq number gnus-newsgroup-forwarded)
4639 gnus-forwarded-mark)
4640 ((memq number gnus-newsgroup-saved)
4642 ((memq number gnus-newsgroup-recent)
4644 ((memq number gnus-newsgroup-unseen)
4647 gnus-tmp-from (mail-header-from gnus-tmp-header)
4650 ((string-match "<[^>]+> *$" gnus-tmp-from)
4651 (setq beg-match (match-beginning 0))
4652 (or (and (string-match "^\".+\"" gnus-tmp-from)
4653 (substring gnus-tmp-from 1 (1- (match-end 0))))
4654 (substring gnus-tmp-from 0 beg-match)))
4655 ((string-match "(.+)" gnus-tmp-from)
4656 (substring gnus-tmp-from
4657 (1+ (match-beginning 0)) (1- (match-end 0))))
4659 gnus-tmp-thread-tree-header-string
4661 ((not gnus-show-threads) "")
4662 ((zerop gnus-tmp-level)
4664 (or gnus-sum-thread-tree-root subject)
4665 (or gnus-sum-thread-tree-single-indent subject)))
4667 (concat (apply 'concat
4668 (mapcar (lambda (item)
4670 gnus-sum-thread-tree-vertical
4671 gnus-sum-thread-tree-indent))
4672 (cdr (reverse tree-stack))))
4674 gnus-sum-thread-tree-leaf-with-other
4675 gnus-sum-thread-tree-single-leaf)))))
4676 (when (string= gnus-tmp-name "")
4677 (setq gnus-tmp-name gnus-tmp-from))
4678 (unless (numberp gnus-tmp-lines)
4679 (setq gnus-tmp-lines -1))
4680 (if (= gnus-tmp-lines -1)
4681 (setq gnus-tmp-lines "?")
4682 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
4683 (gnus-put-text-property
4685 (progn (eval gnus-summary-line-format-spec) (point))
4686 'gnus-number number)
4689 (gnus-run-hooks 'gnus-summary-update-hook)
4692 (setq gnus-tmp-prev-subject simp-subject)))
4694 (when (nth 1 thread)
4695 (push (list (max 0 gnus-tmp-level)
4696 (copy-list tree-stack)
4699 (push (if (nth 1 thread) 1 0) tree-stack)
4700 (incf gnus-tmp-level)
4701 (setq threads (if thread-end nil (cdar thread)))
4703 (setq gnus-tmp-level 0)))))
4704 (gnus-message 7 "Generating summary...done"))
4706 (defun gnus-summary-prepare-unthreaded (headers)
4707 "Generate an unthreaded summary buffer based on HEADERS."
4708 (let (header number mark)
4713 ;; We may have to root out some bad articles...
4714 (when (memq (setq number (mail-header-number
4715 (setq header (pop headers))))
4716 gnus-newsgroup-limit)
4717 ;; Mark article as read when it has a low score.
4718 (when (and gnus-summary-mark-below
4719 (< (or (cdr (assq number gnus-newsgroup-scored))
4720 gnus-summary-default-score 0)
4721 gnus-summary-mark-below)
4722 (not (gnus-summary-article-ancient-p number)))
4723 (setq gnus-newsgroup-unreads
4724 (delq number gnus-newsgroup-unreads))
4725 (if gnus-newsgroup-auto-expire
4726 (push number gnus-newsgroup-expirable)
4727 (push (cons number gnus-low-score-mark)
4728 gnus-newsgroup-reads)))
4730 (setq mark (gnus-article-mark number))
4731 (push (gnus-data-make number mark (1+ (point)) header 0)
4732 gnus-newsgroup-data)
4733 (gnus-summary-insert-line
4735 mark (memq number gnus-newsgroup-replied)
4736 (memq number gnus-newsgroup-expirable)
4737 (mail-header-subject header) nil
4738 (cdr (assq number gnus-newsgroup-scored))
4739 (memq number gnus-newsgroup-processable))))))
4741 (defun gnus-summary-remove-list-identifiers ()
4742 "Remove list identifiers in `gnus-list-identifiers' from articles in the current group."
4743 (let ((regexp (if (consp gnus-list-identifiers)
4744 (mapconcat 'identity gnus-list-identifiers " *\\|")
4745 gnus-list-identifiers))
4748 (dolist (header gnus-newsgroup-headers)
4749 (setq subject (mail-header-subject header)
4751 (while (string-match
4752 (concat "^\\(R[Ee]: +\\)*\\(" regexp " *\\)")
4755 (concat (substring subject 0 (match-beginning 2))
4756 (substring subject (match-end 0)))
4760 "^\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" subject))
4762 (concat (substring subject 0 (match-beginning 1))
4763 (substring subject (match-end 1)))))
4765 (mail-header-set-subject header subject))))))
4767 (defun gnus-fetch-headers (articles)
4768 "Fetch headers of ARTICLES."
4769 (let ((name (gnus-group-decoded-name gnus-newsgroup-name)))
4770 (gnus-message 5 "Fetching headers for %s..." name)
4773 (setq gnus-headers-retrieved-by
4774 (gnus-retrieve-headers
4775 articles gnus-newsgroup-name
4776 ;; We might want to fetch old headers, but
4777 ;; not if there is only 1 article.
4779 (not (eq gnus-fetch-old-headers 'some))
4780 (not (numberp gnus-fetch-old-headers)))
4781 (> (length articles) 1))
4782 gnus-fetch-old-headers))))
4783 (gnus-get-newsgroup-headers-xover
4784 articles nil nil gnus-newsgroup-name t)
4785 (gnus-get-newsgroup-headers))
4786 (gnus-message 5 "Fetching headers for %s...done" name))))
4788 (defun gnus-select-newsgroup (group &optional read-all select-articles)
4789 "Select newsgroup GROUP.
4790 If READ-ALL is non-nil, all articles in the group are selected.
4791 If SELECT-ARTICLES, only select those articles from GROUP."
4792 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
4793 ;;!!! Dirty hack; should be removed.
4794 (gnus-summary-ignore-duplicates
4795 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
4797 gnus-summary-ignore-duplicates))
4798 (info (nth 2 entry))
4799 articles fetched-articles cached)
4801 (unless (gnus-check-server
4802 (set (make-local-variable 'gnus-current-select-method)
4803 (gnus-find-method-for-group group)))
4804 (error "Couldn't open server"))
4806 (or (and entry (not (eq (car entry) t))) ; Either it's active...
4807 (gnus-activate-group group) ; Or we can activate it...
4808 (progn ; Or we bug out.
4809 (when (equal major-mode 'gnus-summary-mode)
4810 (kill-buffer (current-buffer)))
4811 (error "Couldn't activate group %s: %s"
4812 group (gnus-status-message group))))
4814 (unless (gnus-request-group group t)
4815 (when (equal major-mode 'gnus-summary-mode)
4816 (kill-buffer (current-buffer)))
4817 (error "Couldn't request group %s: %s"
4818 group (gnus-status-message group)))
4820 (setq gnus-newsgroup-name group
4821 gnus-newsgroup-unselected nil
4822 gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
4824 (let ((display (gnus-group-find-parameter group 'display)))
4825 (setq gnus-newsgroup-display
4827 ((not (zerop (or (car-safe read-all) 0)))
4828 ;; The user entered the group with C-u SPC/RET, let's show
4834 (gnus-summary-display-make-predicate (mapcar 'identity display)))
4836 ;; The following is probably the "correct" solution, but
4837 ;; it makes Gnus fetch all headers and then limit the
4838 ;; articles (which is slow), so instead we hack the
4839 ;; select-articles parameter instead. -- Simon Josefsson
4842 ;; (gnus-byte-compile
4843 ;; `(lambda () (> number ,(- (cdr (gnus-active group))
4845 (setq select-articles
4846 (gnus-uncompress-range
4847 (cons (let ((tmp (- (cdr (gnus-active group)) display)))
4851 (cdr (gnus-active group)))))
4856 (gnus-summary-setup-default-charset)
4858 ;; Kludge to avoid having cached articles nixed out in virtual groups.
4859 (when (gnus-virtual-group-p group)
4860 (setq cached gnus-newsgroup-cached))
4862 (setq gnus-newsgroup-unreads
4863 (gnus-sorted-ndifference
4864 (gnus-sorted-ndifference gnus-newsgroup-unreads
4865 gnus-newsgroup-marked)
4866 gnus-newsgroup-dormant))
4868 (setq gnus-newsgroup-processable nil)
4870 (gnus-update-read-articles group gnus-newsgroup-unreads)
4872 ;; Adjust and set lists of article marks.
4874 (gnus-adjust-marked-articles info))
4876 (if (setq articles select-articles)
4877 (setq gnus-newsgroup-unselected
4878 (gnus-sorted-difference gnus-newsgroup-unreads articles))
4879 (setq articles (gnus-articles-to-read group read-all)))
4883 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
4885 ((eq articles 0) nil)
4887 ;; Init the dependencies hash table.
4888 (setq gnus-newsgroup-dependencies
4889 (gnus-make-hashtable (length articles)))
4890 (gnus-set-global-variables)
4891 ;; Retrieve the headers and read them in.
4892 (setq gnus-newsgroup-headers (gnus-fetch-headers articles))
4894 ;; Kludge to avoid having cached articles nixed out in virtual groups.
4896 (setq gnus-newsgroup-cached cached))
4898 ;; Suppress duplicates?
4899 (when gnus-suppress-duplicates
4900 (gnus-dup-suppress-articles))
4902 ;; Set the initial limit.
4903 (setq gnus-newsgroup-limit (copy-sequence articles))
4904 ;; Remove canceled articles from the list of unread articles.
4905 (setq fetched-articles
4906 (mapcar (lambda (headers) (mail-header-number headers))
4907 gnus-newsgroup-headers))
4908 (setq gnus-newsgroup-articles fetched-articles)
4909 (setq gnus-newsgroup-unreads
4910 (gnus-sorted-nintersection
4911 gnus-newsgroup-unreads fetched-articles))
4912 (gnus-compute-unseen-list)
4914 ;; Removed marked articles that do not exist.
4915 (gnus-update-missing-marks
4916 (gnus-sorted-difference articles fetched-articles))
4917 ;; We might want to build some more threads first.
4918 (when (and gnus-fetch-old-headers
4919 (eq gnus-headers-retrieved-by 'nov))
4920 (if (eq gnus-fetch-old-headers 'invisible)
4921 (gnus-build-all-threads)
4922 (gnus-build-old-threads)))
4923 ;; Let the Gnus agent mark articles as read.
4925 (gnus-agent-get-undownloaded-list))
4926 ;; Remove list identifiers from subject
4927 (when gnus-list-identifiers
4928 (gnus-summary-remove-list-identifiers))
4929 ;; Check whether auto-expire is to be done in this group.
4930 (setq gnus-newsgroup-auto-expire
4931 (gnus-group-auto-expirable-p group))
4932 ;; Set up the article buffer now, if necessary.
4933 (unless gnus-single-article-buffer
4934 (gnus-article-setup-buffer))
4935 ;; First and last article in this newsgroup.
4936 (when gnus-newsgroup-headers
4937 (setq gnus-newsgroup-begin
4938 (mail-header-number (car gnus-newsgroup-headers))
4941 (gnus-last-element gnus-newsgroup-headers))))
4942 ;; GROUP is successfully selected.
4943 (or gnus-newsgroup-headers t)))))
4945 (defun gnus-compute-unseen-list ()
4946 ;; The `seen' marks are treated specially.
4947 (if (not gnus-newsgroup-seen)
4948 (setq gnus-newsgroup-unseen gnus-newsgroup-articles)
4949 (setq gnus-newsgroup-unseen
4950 (gnus-inverse-list-range-intersection
4951 gnus-newsgroup-articles gnus-newsgroup-seen))))
4953 (defun gnus-summary-display-make-predicate (display)
4954 (require 'gnus-agent)
4955 (when (= (length display) 1)
4956 (setq display (car display)))
4957 (unless gnus-summary-display-cache
4958 (dolist (elem (append '((unread . unread)
4961 gnus-article-mark-lists))
4962 (push (cons (cdr elem)
4964 `(lambda () (gnus-article-marked-p ',(cdr elem)))))
4965 gnus-summary-display-cache)))
4966 (let ((gnus-category-predicate-alist gnus-summary-display-cache)
4967 (gnus-category-predicate-cache gnus-summary-display-cache))
4968 (gnus-get-predicate display)))
4970 ;; Uses the dynamically bound `number' variable.
4972 (defun gnus-article-marked-p (type &optional article)
4973 (let ((article (or article number)))
4976 (memq article gnus-newsgroup-marked))
4978 (memq article gnus-newsgroup-spam-marked))
4980 (memq article gnus-newsgroup-unsendable))
4981 ((eq type 'undownload)
4982 (memq article gnus-newsgroup-undownloaded))
4983 ((eq type 'download)
4984 (memq article gnus-newsgroup-downloadable))
4986 (memq article gnus-newsgroup-unreads))
4988 (memq article gnus-newsgroup-reads))
4990 (memq article gnus-newsgroup-dormant) )
4992 (memq article gnus-newsgroup-expirable))
4994 (memq article gnus-newsgroup-replied))
4996 (memq article gnus-newsgroup-killed))
4997 ((eq type 'bookmark)
4998 (assq article gnus-newsgroup-bookmarks))
5000 (assq article gnus-newsgroup-scored))
5002 (memq article gnus-newsgroup-saved))
5004 (memq article gnus-newsgroup-cached))
5006 (memq article gnus-newsgroup-forwarded))
5008 (not (memq article gnus-newsgroup-unseen)))
5010 (memq article gnus-newsgroup-recent))
5013 (defun gnus-articles-to-read (group &optional read-all)
5014 "Find out what articles the user wants to read."
5016 ;; Select all articles if `read-all' is non-nil, or if there
5017 ;; are no unread articles.
5019 (and (zerop (length gnus-newsgroup-marked))
5020 (zerop (length gnus-newsgroup-unreads)))
5021 ;; Fetch all if the predicate is non-nil.
5022 gnus-newsgroup-display)
5023 ;; We want to select the headers for all the articles in
5024 ;; the group, so we select either all the active
5025 ;; articles in the group, or (if that's nil), the
5026 ;; articles in the cache.
5028 (gnus-uncompress-range (gnus-active group))
5029 (gnus-cache-articles-in-group group))
5030 ;; Select only the "normal" subset of articles.
5032 (gnus-sorted-union gnus-newsgroup-dormant gnus-newsgroup-marked)
5033 gnus-newsgroup-unreads)))
5034 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
5035 (scored (length scored-list))
5036 (number (length articles))
5037 (marked (+ (length gnus-newsgroup-marked)
5038 (length gnus-newsgroup-dormant)))
5043 ((numberp gnus-newsgroup-display)
5044 gnus-newsgroup-display)
5048 ((and (or (<= scored marked) (= scored number))
5049 (numberp gnus-large-newsgroup)
5050 (> number gnus-large-newsgroup))
5051 (let* ((cursor-in-echo-area nil)
5052 (initial (gnus-parameter-large-newsgroup-initial
5053 gnus-newsgroup-name))
5057 "How many articles from %s (%s %d): "
5059 (gnus-group-decoded-name gnus-newsgroup-name)
5061 (if initial "max" "default")
5064 (cons (number-to-string initial)
5066 (if (string-match "^[ \t]*$" input) number input)))
5067 ((and (> scored marked) (< scored number)
5068 (> (- scored number) 20))
5071 (format "%s %s (%d scored, %d total): "
5072 "How many articles from"
5073 (gnus-group-decoded-name group)
5075 (if (string-match "^[ \t]*$" input)
5079 (message "Quit getting the articles to read")
5081 (setq select (if (stringp select) (string-to-number select) select))
5082 (if (or (null select) (zerop select))
5084 (if (and (not (zerop scored)) (<= (abs select) scored))
5086 (setq articles (sort scored-list '<))
5087 (setq number (length articles)))
5088 (setq articles (copy-sequence articles)))
5090 (when (< (abs select) number)
5092 ;; Select the N oldest articles.
5093 (setcdr (nthcdr (1- (abs select)) articles) nil)
5094 ;; Select the N most recent articles.
5095 (setq articles (nthcdr (- number select) articles))))
5096 (setq gnus-newsgroup-unselected
5097 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5098 (when gnus-alter-articles-to-read-function
5099 (setq gnus-newsgroup-unreads
5101 (funcall gnus-alter-articles-to-read-function
5102 gnus-newsgroup-name gnus-newsgroup-unreads)
5106 (defun gnus-killed-articles (killed articles)
5109 (when (inline (gnus-member-of-range (car articles) killed))
5110 (push (car articles) out))
5111 (setq articles (cdr articles)))
5114 (defun gnus-uncompress-marks (marks)
5115 "Uncompress the mark ranges in MARKS."
5116 (let ((uncompressed '(score bookmark))
5119 (if (memq (caar marks) uncompressed)
5120 (push (car marks) out)
5121 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
5122 (setq marks (cdr marks)))
5125 (defun gnus-article-mark-to-type (mark)
5126 "Return the type of MARK."
5127 (or (cadr (assq mark gnus-article-special-mark-lists))
5130 (defun gnus-article-unpropagatable-p (mark)
5131 "Return whether MARK should be propagated to backend."
5132 (memq mark gnus-article-unpropagated-mark-lists))
5134 (defun gnus-adjust-marked-articles (info)
5135 "Set all article lists and remove all marks that are no longer valid."
5136 (let* ((marked-lists (gnus-info-marks info))
5137 (active (gnus-active (gnus-info-group info)))
5140 (types gnus-article-mark-lists)
5141 marks var articles article mark mark-type)
5143 (dolist (marks marked-lists)
5144 (setq mark (car marks)
5145 mark-type (gnus-article-mark-to-type mark)
5146 var (intern (format "gnus-newsgroup-%s" (car (rassq mark types)))))
5148 ;; We set the variable according to the type of the marks list,
5149 ;; and then adjust the marks to a subset of the active articles.
5151 ;; Adjust "simple" lists.
5152 ((eq mark-type 'list)
5153 (set var (setq articles (gnus-uncompress-range (cdr marks))))
5154 (when (memq mark '(tick dormant expire reply save))
5156 (when (or (< (setq article (pop articles)) min) (> article max))
5157 (set var (delq article (symbol-value var)))))))
5159 ((eq mark-type 'tuple)
5160 (set var (setq articles (cdr marks)))
5161 (when (not (listp (cdr (symbol-value var))))
5162 (set var (list (symbol-value var))))
5163 (when (not (listp (cdr articles)))
5164 (setq articles (list articles)))
5166 (when (or (not (consp (setq article (pop articles))))
5167 (< (car article) min)
5168 (> (car article) max))
5169 (set var (delq article (symbol-value var))))))
5170 ;; Adjust ranges (sloppily).
5171 ((eq mark-type 'range)
5174 ;; Fix the record for `seen' if it looks like (seen NUM1 . NUM2).
5175 ;; It should be (seen (NUM1 . NUM2)).
5176 (when (numberp (cddr marks))
5177 (setcdr marks (list (cdr marks))))
5178 (setq articles (cdr marks))
5179 (while (and articles
5180 (or (and (consp (car articles))
5181 (> min (cdar articles)))
5182 (and (numberp (car articles))
5183 (> min (car articles)))))
5185 (set var articles))))))))
5187 (defun gnus-update-missing-marks (missing)
5188 "Go through the list of MISSING articles and remove them from the mark lists."
5191 ;; Go through all types.
5192 (dolist (elem gnus-article-mark-lists)
5193 (when (eq (gnus-article-mark-to-type (cdr elem)) 'list)
5194 (setq var (intern (format "gnus-newsgroup-%s" (car elem))))
5195 (when (symbol-value var)
5196 ;; This list has articles. So we delete all missing
5197 ;; articles from it.
5200 (set var (delq (pop m) (symbol-value var))))))))))
5202 (defun gnus-update-marks ()
5203 "Enter the various lists of marked articles into the newsgroup info list."
5204 (let ((types gnus-article-mark-lists)
5205 (info (gnus-get-info gnus-newsgroup-name))
5206 type list newmarked symbol delta-marks)
5208 ;; Add all marks lists to the list of marks lists.
5209 (while (setq type (pop types))
5210 (setq list (symbol-value
5212 (intern (format "gnus-newsgroup-%s" (car type))))))
5215 ;; Get rid of the entries of the articles that have the
5217 (when (and (eq (cdr type) 'score)
5221 (prev (cons nil list))
5224 (if (or (not (consp (car arts)))
5225 (= (cdar arts) gnus-summary-default-score))
5226 (setcdr prev (cdr arts))
5228 (setq arts (cdr arts)))
5229 (setq list (cdr all)))))
5231 (when (eq (cdr type) 'seen)
5232 (setq list (gnus-range-add list gnus-newsgroup-unseen)))
5234 (when (eq (gnus-article-mark-to-type (cdr type)) 'list)
5235 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
5237 (when (and (gnus-check-backend-function
5238 'request-set-mark gnus-newsgroup-name)
5239 (not (gnus-article-unpropagatable-p (cdr type))))
5240 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
5241 (del (gnus-remove-from-range (gnus-copy-sequence old) list))
5242 (add (gnus-remove-from-range
5243 (gnus-copy-sequence list) old)))
5245 (push (list add 'add (list (cdr type))) delta-marks))
5247 (push (list del 'del (list (cdr type))) delta-marks))))
5250 (push (cons (cdr type) list) newmarked)))
5253 (unless (gnus-check-group gnus-newsgroup-name)
5254 (error "Can't open server for %s" gnus-newsgroup-name))
5255 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
5257 ;; Enter these new marks into the info of the group.
5259 (setcar (nthcdr 3 info) newmarked)
5260 ;; Add the marks lists to the end of the info.
5262 (setcdr (nthcdr 2 info) (list newmarked))))
5264 ;; Cut off the end of the info if there's nothing else there.
5268 (when (nthcdr (decf i) info)
5269 (setcdr (nthcdr i info) nil)))))))
5271 (defun gnus-set-mode-line (where)
5272 "Set the mode line of the article or summary buffers.
5273 If WHERE is `summary', the summary mode line format will be used."
5274 ;; Is this mode line one we keep updated?
5275 (when (and (memq where gnus-updated-mode-lines)
5277 (intern (format "gnus-%s-mode-line-format-spec" where))))
5280 ;; We evaluate this in the summary buffer since these
5281 ;; variables are buffer-local to that buffer.
5282 (set-buffer gnus-summary-buffer)
5283 ;; We bind all these variables that are used in the `eval' form
5285 (let* ((mformat (symbol-value
5287 (format "gnus-%s-mode-line-format-spec" where))))
5288 (gnus-tmp-group-name (gnus-group-decoded-name
5289 gnus-newsgroup-name))
5290 (gnus-tmp-article-number (or gnus-current-article 0))
5291 (gnus-tmp-unread gnus-newsgroup-unreads)
5292 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
5293 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
5294 (gnus-tmp-unread-and-unselected
5295 (cond ((and (zerop gnus-tmp-unread-and-unticked)
5296 (zerop gnus-tmp-unselected))
5298 ((zerop gnus-tmp-unselected)
5299 (format "{%d more}" gnus-tmp-unread-and-unticked))
5300 (t (format "{%d(+%d) more}"
5301 gnus-tmp-unread-and-unticked
5302 gnus-tmp-unselected))))
5304 (if (and gnus-current-headers
5305 (vectorp gnus-current-headers))
5306 (gnus-mode-string-quote
5307 (mail-header-subject gnus-current-headers))
5309 bufname-length max-len
5310 gnus-tmp-header) ;; passed as argument to any user-format-funcs
5311 (setq mode-string (eval mformat))
5312 (setq bufname-length (if (string-match "%b" mode-string)
5315 (if (eq where 'summary)
5317 (get-buffer gnus-article-buffer))))
5320 (setq max-len (max 4 (if gnus-mode-non-string-length
5322 gnus-mode-non-string-length
5324 (length mode-string))))
5325 ;; We might have to chop a bit of the string off...
5326 (when (> (length mode-string) max-len)
5328 (concat (truncate-string-to-width mode-string (- max-len 3))
5330 ;; Pad the mode string a bit.
5331 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
5332 ;; Update the mode line.
5333 (setq mode-line-buffer-identification
5334 (gnus-mode-line-buffer-identification (list mode-string)))
5335 (set-buffer-modified-p t))))
5337 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
5338 "Go through the HEADERS list and add all Xrefs to a hash table.
5339 The resulting hash table is returned, or nil if no Xrefs were found."
5340 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
5341 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
5342 (xref-hashtb (gnus-make-hashtable))
5343 start group entry number xrefs header)
5345 (setq header (pop headers))
5346 (when (and (setq xrefs (mail-header-xref header))
5347 (not (memq (setq number (mail-header-number header))
5350 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
5351 (setq start (match-end 0))
5352 (setq group (if prefix
5353 (concat prefix (substring xrefs (match-beginning 1)
5355 (substring xrefs (match-beginning 1) (match-end 1))))
5357 (string-to-int (substring xrefs (match-beginning 2)
5359 (if (setq entry (gnus-gethash group xref-hashtb))
5360 (setcdr entry (cons number (cdr entry)))
5361 (gnus-sethash group (cons number nil) xref-hashtb)))))
5362 (and start xref-hashtb)))
5364 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
5365 "Look through all the headers and mark the Xrefs as read."
5366 (let ((virtual (gnus-virtual-group-p from-newsgroup))
5367 name entry info xref-hashtb idlist method nth4)
5369 (set-buffer gnus-group-buffer)
5370 (when (setq xref-hashtb
5371 (gnus-create-xref-hashtb from-newsgroup headers unreads))
5374 (unless (string= from-newsgroup (setq name (symbol-name group)))
5375 (setq idlist (symbol-value group))
5376 ;; Dead groups are not updated.
5378 (setq entry (gnus-gethash name gnus-newsrc-hashtb)
5380 (when (stringp (setq nth4 (gnus-info-method info)))
5381 (setq nth4 (gnus-server-to-method nth4))))
5382 ;; Only do the xrefs if the group has the same
5383 ;; select method as the group we have just read.
5384 (or (gnus-methods-equal-p
5385 nth4 (gnus-find-method-for-group from-newsgroup))
5387 (equal nth4 (setq method (gnus-find-method-for-group
5389 (and (equal (car nth4) (car method))
5390 (equal (nth 1 nth4) (nth 1 method))))
5391 gnus-use-cross-reference
5392 (or (not (eq gnus-use-cross-reference t))
5394 ;; Only do cross-references on subscribed
5395 ;; groups, if that is what is wanted.
5396 (<= (gnus-info-level info) gnus-level-subscribed))
5397 (gnus-group-make-articles-read name idlist))))
5400 (defun gnus-compute-read-articles (group articles)
5401 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
5402 (info (nth 2 entry))
5403 (active (gnus-active group))
5406 ;; First peel off all invalid article numbers.
5408 (let ((ids articles)
5410 (while (setq id (pop ids))
5411 (when (and first (> id (cdr active)))
5412 ;; We'll end up in this situation in one particular
5413 ;; obscure situation. If you re-scan a group and get
5414 ;; a new article that is cross-posted to a different
5415 ;; group that has not been re-scanned, you might get
5416 ;; crossposted article that has a higher number than
5417 ;; Gnus believes possible. So we re-activate this
5418 ;; group as well. This might mean doing the
5419 ;; crossposting thingy will *increase* the number
5420 ;; of articles in some groups. Tsk, tsk.
5421 (setq active (or (gnus-activate-group group) active)))
5422 (when (or (> id (cdr active))
5423 (< id (car active)))
5424 (setq articles (delq id articles))))))
5425 ;; If the read list is nil, we init it.
5427 (null (gnus-info-read info))
5429 (setq ninfo (cons 1 (1- (car active))))
5430 (setq ninfo (gnus-info-read info)))
5431 ;; Then we add the read articles to the range.
5433 ninfo (setq articles (sort articles '<))))))
5435 (defun gnus-group-make-articles-read (group articles)
5436 "Update the info of GROUP to say that ARTICLES are read."
5438 (entry (gnus-gethash group gnus-newsrc-hashtb))
5439 (info (nth 2 entry))
5440 (active (gnus-active group))
5443 (setq range (gnus-compute-read-articles group articles))
5445 (set-buffer gnus-group-buffer)
5448 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
5449 (gnus-info-set-read ',info ',(gnus-info-read info))
5450 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
5451 (gnus-request-set-mark ,group (list (list ',range 'del '(read))))
5452 (gnus-group-update-group ,group t))))
5453 ;; Add the read articles to the range.
5454 (gnus-info-set-read info range)
5455 (gnus-request-set-mark group (list (list range 'add '(read))))
5456 ;; Then we have to re-compute how many unread
5457 ;; articles there are in this group.
5461 (setq num (- (1+ (cdr active)) (car active))))
5462 ((not (listp (cdr range)))
5463 (setq num (- (cdr active) (- (1+ (cdr range))
5467 (if (numberp (car range))
5469 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
5470 (setq range (cdr range)))
5471 (setq num (- (cdr active) num))))
5472 ;; Update the number of unread articles.
5474 ;; Update the group buffer.
5475 (gnus-group-update-group group t)))))
5477 (defvar gnus-newsgroup-none-id 0)
5479 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
5480 (let ((cur nntp-server-buffer)
5483 (save-excursion (set-buffer gnus-summary-buffer)
5484 gnus-newsgroup-dependencies)))
5486 (mail-parse-charset gnus-newsgroup-charset)
5487 (mail-parse-ignored-charsets
5488 (save-excursion (condition-case nil
5489 (set-buffer gnus-summary-buffer)
5491 gnus-newsgroup-ignored-charsets)))
5493 (set-buffer nntp-server-buffer)
5494 ;; Translate all TAB characters into SPACE characters.
5495 (subst-char-in-region (point-min) (point-max) ?\t ? t)
5496 (subst-char-in-region (point-min) (point-max) ?\r ? t)
5497 (gnus-run-hooks 'gnus-parse-headers-hook)
5498 (let ((case-fold-search t)
5499 in-reply-to header p lines chars)
5500 (goto-char (point-min))
5501 ;; Search to the beginning of the next header. Error messages
5502 ;; do not begin with 2 or 3.
5503 (while (re-search-forward "^[23][0-9]+ " nil t)
5506 ;; This implementation of this function, with nine
5507 ;; search-forwards instead of the one re-search-forward and
5508 ;; a case (which basically was the old function) is actually
5509 ;; about twice as fast, even though it looks messier. You
5510 ;; can't have everything, I guess. Speed and elegance
5511 ;; doesn't always go hand in hand.
5520 (narrow-to-region (point)
5521 (or (and (search-forward "\n.\n" nil t)
5527 (if (search-forward "\nsubject:" nil t)
5528 (funcall gnus-decode-encoded-word-function
5529 (nnheader-header-value))
5534 (if (search-forward "\nfrom:" nil t)
5535 (funcall gnus-decode-encoded-word-function
5536 (nnheader-header-value))
5541 (if (search-forward "\ndate:" nil t)
5542 (nnheader-header-value) ""))
5546 (setq id (if (re-search-forward
5547 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
5548 ;; We do it this way to make sure the Message-ID
5549 ;; is (somewhat) syntactically valid.
5550 (buffer-substring (match-beginning 1)
5552 ;; If there was no message-id, we just fake one
5553 ;; to make subsequent routines simpler.
5554 (nnheader-generate-fake-message-id))))
5558 (if (search-forward "\nreferences:" nil t)
5562 (nnheader-header-value)
5567 (search-backward ">" end t)
5570 (search-backward "<" end t)
5572 ;; Get the references from the in-reply-to header if there
5573 ;; were no references and the in-reply-to header looks
5575 (if (and (search-forward "\nin-reply-to:" nil t)
5576 (setq in-reply-to (nnheader-header-value))
5577 (string-match "<[^>]+>" in-reply-to))
5579 (setq ref (substring in-reply-to (match-beginning 0)
5581 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
5582 (setq ref2 (substring in-reply-to (match-beginning 0)
5584 (when (> (length ref2) (length ref))
5591 (if (search-forward "\nchars: " nil t)
5592 (if (numberp (setq chars (ignore-errors (read cur))))
5598 (if (search-forward "\nlines: " nil t)
5599 (if (numberp (setq lines (ignore-errors (read cur))))
5605 (and (search-forward "\nxref:" nil t)
5606 (nnheader-header-value)))
5608 (when gnus-extra-headers
5609 (let ((extra gnus-extra-headers)
5613 (when (search-forward
5614 (concat "\n" (symbol-name (car extra)) ":") nil t)
5615 (push (cons (car extra) (nnheader-header-value))
5619 (when (equal id ref)
5622 (when gnus-alter-header-function
5623 (funcall gnus-alter-header-function header)
5624 (setq id (mail-header-id header)
5625 ref (gnus-parent-id (mail-header-references header))))
5628 (gnus-dependencies-add-header
5629 header dependencies force-new))
5630 (push header headers))
5631 (goto-char (point-max))
5633 (nreverse headers)))))
5635 ;; Goes through the xover lines and returns a list of vectors
5636 (defun gnus-get-newsgroup-headers-xover (sequence &optional
5637 force-new dependencies
5638 group also-fetch-heads)
5639 "Parse the news overview data in the server buffer.
5640 Return a list of headers that match SEQUENCE (see
5641 `nntp-retrieve-headers')."
5642 ;; Get the Xref when the users reads the articles since most/some
5643 ;; NNTP servers do not include Xrefs when using XOVER.
5644 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
5645 (let ((mail-parse-charset gnus-newsgroup-charset)
5646 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
5647 (cur nntp-server-buffer)
5648 (dependencies (or dependencies gnus-newsgroup-dependencies))
5650 ((eq gnus-read-all-available-headers t)
5652 ((stringp gnus-read-all-available-headers)
5653 (string-match gnus-read-all-available-headers group))
5656 number headers header)
5658 (set-buffer nntp-server-buffer)
5659 (subst-char-in-region (point-min) (point-max) ?\r ? t)
5660 ;; Allow the user to mangle the headers before parsing them.
5661 (gnus-run-hooks 'gnus-parse-headers-hook)
5662 (goto-char (point-min))
5663 (gnus-parse-without-error
5664 (while (and (or sequence allp)
5666 (setq number (read cur))
5668 (while (and sequence
5669 (< (car sequence) number))
5670 (setq sequence (cdr sequence))))
5673 (eq number (car sequence))))
5675 (setq sequence (cdr sequence))
5676 (setq header (inline
5677 (gnus-nov-parse-line
5678 number dependencies force-new)))))
5679 (push header headers))
5681 ;; A common bug in inn is that if you have posted an article and
5682 ;; then retrieves the active file, it will answer correctly --
5683 ;; the new article is included. However, a NOV entry for the
5684 ;; article may not have been generated yet, so this may fail.
5685 ;; We work around this problem by retrieving the last few
5686 ;; headers using HEAD.
5687 (if (or (not also-fetch-heads)
5689 ;; We (probably) got all the headers.
5691 (let ((gnus-nov-is-evil t))
5694 (when (eq (gnus-retrieve-headers sequence group) 'headers)
5695 (gnus-get-newsgroup-headers))))))))
5697 (defun gnus-article-get-xrefs ()
5698 "Fill in the Xref value in `gnus-current-headers', if necessary.
5699 This is meant to be called in `gnus-article-internal-prepare-hook'."
5700 (let ((headers (save-excursion (set-buffer gnus-summary-buffer)
5701 gnus-current-headers)))
5702 (or (not gnus-use-cross-reference)
5704 (and (mail-header-xref headers)
5705 (not (string= (mail-header-xref headers) "")))
5706 (let ((case-fold-search t)
5709 (nnheader-narrow-to-headers)
5710 (goto-char (point-min))
5711 (when (or (and (not (eobp))
5712 (eq (downcase (char-after)) ?x)
5713 (looking-at "Xref:"))
5714 (search-forward "\nXref:" nil t))
5715 (goto-char (1+ (match-end 0)))
5716 (setq xref (buffer-substring (point)
5717 (progn (end-of-line) (point))))
5718 (mail-header-set-xref headers xref)))))))
5720 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
5721 "Find article ID and insert the summary line for that article.
5722 OLD-HEADER can either be a header or a line number to insert
5723 the subject line on."
5724 (let* ((line (and (numberp old-header) old-header))
5725 (old-header (and (vectorp old-header) old-header))
5726 (header (cond ((and old-header use-old-header)
5729 (gnus-number-to-header id))
5730 (gnus-number-to-header id))
5732 (gnus-read-header id))))
5733 (number (and (numberp id) id))
5736 ;; Rebuild the thread that this article is part of and go to the
5737 ;; article we have fetched.
5738 (when (and (not gnus-show-threads)
5741 (setq d (gnus-data-find (mail-header-number old-header))))
5742 (goto-char (gnus-data-pos d))
5745 (- (gnus-point-at-bol)
5747 (1+ (gnus-point-at-eol))
5748 (gnus-delete-line))))))
5750 (mail-header-set-number header (mail-header-number old-header)))
5751 (setq gnus-newsgroup-sparse
5752 (delq (setq number (mail-header-number header))
5753 gnus-newsgroup-sparse))
5754 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
5755 (push number gnus-newsgroup-limit)
5756 (gnus-rebuild-thread (mail-header-id header) line)
5757 (gnus-summary-goto-subject number nil t))
5758 (when (and (numberp number)
5760 ;; We have to update the boundaries even if we can't fetch the
5761 ;; article if ID is a number -- so that the next `P' or `N'
5762 ;; command will fetch the previous (or next) article even
5763 ;; if the one we tried to fetch this time has been canceled.
5764 (when (> number gnus-newsgroup-end)
5765 (setq gnus-newsgroup-end number))
5766 (when (< number gnus-newsgroup-begin)
5767 (setq gnus-newsgroup-begin number))
5768 (setq gnus-newsgroup-unselected
5769 (delq number gnus-newsgroup-unselected)))
5770 ;; Report back a success?
5771 (and header (mail-header-number header))))
5773 ;;; Process/prefix in the summary buffer
5775 (defun gnus-summary-work-articles (n)
5776 "Return a list of articles to be worked upon.
5777 The prefix argument, the list of process marked articles, and the
5778 current article will be taken into consideration."
5780 (set-buffer gnus-summary-buffer)
5783 ;; A numerical prefix has been given.
5784 (setq n (prefix-numeric-value n))
5785 (let ((backward (< n 0))
5786 (n (abs (prefix-numeric-value n)))
5791 (push (setq article (gnus-summary-article-number))
5794 (gnus-summary-find-prev nil article)
5795 (gnus-summary-find-next nil article)))
5797 (nreverse articles)))
5798 ((and (gnus-region-active-p) (mark))
5799 (message "region active")
5800 ;; Work on the region between point and mark.
5801 (let ((max (max (point) (mark)))
5804 (goto-char (min (min (point) (mark))))
5807 (push (setq article (gnus-summary-article-number)) articles)
5808 (gnus-summary-find-next nil article)
5810 (nreverse articles))))
5811 (gnus-newsgroup-processable
5812 ;; There are process-marked articles present.
5813 ;; Save current state.
5814 (gnus-summary-save-process-mark)
5816 (reverse gnus-newsgroup-processable))
5818 ;; Just return the current article.
5819 (list (gnus-summary-article-number))))))
5821 (defmacro gnus-summary-iterate (arg &rest forms)
5822 "Iterate over the process/prefixed articles and do FORMS.
5823 ARG is the interactive prefix given to the command. FORMS will be
5824 executed with point over the summary line of the articles."
5825 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
5826 `(let ((,articles (gnus-summary-work-articles ,arg)))
5828 (gnus-summary-goto-subject (car ,articles))
5832 (put 'gnus-summary-iterate 'lisp-indent-function 1)
5833 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
5835 (defun gnus-summary-save-process-mark ()
5836 "Push the current set of process marked articles on the stack."
5838 (push (copy-sequence gnus-newsgroup-processable)
5839 gnus-newsgroup-process-stack))
5841 (defun gnus-summary-kill-process-mark ()
5842 "Push the current set of process marked articles on the stack and unmark."
5844 (gnus-summary-save-process-mark)
5845 (gnus-summary-unmark-all-processable))
5847 (defun gnus-summary-yank-process-mark ()
5848 "Pop the last process mark state off the stack and restore it."
5850 (unless gnus-newsgroup-process-stack
5851 (error "Empty mark stack"))
5852 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
5854 (defun gnus-summary-process-mark-set (set)
5855 "Make SET into the current process marked articles."
5856 (gnus-summary-unmark-all-processable)
5858 (gnus-summary-set-process-mark (pop set))))
5860 ;;; Searching and stuff
5862 (defun gnus-summary-search-group (&optional backward use-level)
5863 "Search for next unread newsgroup.
5864 If optional argument BACKWARD is non-nil, search backward instead."
5866 (set-buffer gnus-group-buffer)
5867 (when (gnus-group-search-forward
5868 backward nil (if use-level (gnus-group-group-level) nil))
5869 (gnus-group-group-name))))
5871 (defun gnus-summary-best-group (&optional exclude-group)
5872 "Find the name of the best unread group.
5873 If EXCLUDE-GROUP, do not go to this group."
5875 (set-buffer gnus-group-buffer)
5877 (gnus-group-best-unread-group exclude-group))))
5879 (defun gnus-summary-find-next (&optional unread article backward undownloaded)
5880 (if backward (gnus-summary-find-prev)
5881 (let* ((dummy (gnus-summary-article-intangible-p))
5882 (article (or article (gnus-summary-article-number)))
5883 (arts (gnus-data-find-list article))
5885 (when (and (not dummy)
5886 (or (not gnus-summary-check-current)
5888 (not (gnus-data-unread-p (car arts)))))
5889 (setq arts (cdr arts)))
5894 (when (or (and undownloaded
5895 (eq gnus-undownloaded-mark
5896 (gnus-data-mark (car arts))))
5897 (gnus-data-unread-p (car arts)))
5898 (setq result (car arts)
5900 (setq arts (cdr arts)))
5903 (goto-char (gnus-data-pos result))
5904 (gnus-data-number result)))))
5906 (defun gnus-summary-find-prev (&optional unread article)
5907 (let* ((eobp (eobp))
5908 (article (or article (gnus-summary-article-number)))
5909 (arts (gnus-data-find-list article (gnus-data-list 'rev)))
5911 (when (and (not eobp)
5912 (or (not gnus-summary-check-current)
5914 (not (gnus-data-unread-p (car arts)))))
5915 (setq arts (cdr arts)))
5920 (when (gnus-data-unread-p (car arts))
5921 (setq result (car arts)
5923 (setq arts (cdr arts)))
5926 (goto-char (gnus-data-pos result))
5927 (gnus-data-number result))))
5929 (defun gnus-summary-find-subject (subject &optional unread backward article)
5930 (let* ((simp-subject (gnus-simplify-subject-fully subject))
5931 (article (or article (gnus-summary-article-number)))
5932 (articles (gnus-data-list backward))
5933 (arts (gnus-data-find-list article articles))
5935 (when (or (not gnus-summary-check-current)
5937 (not (gnus-data-unread-p (car arts))))
5938 (setq arts (cdr arts)))
5940 (and (or (not unread)
5941 (gnus-data-unread-p (car arts)))
5942 (vectorp (gnus-data-header (car arts)))
5944 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
5945 (setq result (car arts)
5947 (setq arts (cdr arts)))
5949 (goto-char (gnus-data-pos result))
5950 (gnus-data-number result))))
5952 (defun gnus-summary-search-forward (&optional unread subject backward)
5953 "Search forward for an article.
5954 If UNREAD, look for unread articles. If SUBJECT, look for
5955 articles with that subject. If BACKWARD, search backward instead."
5956 (cond (subject (gnus-summary-find-subject subject unread backward))
5957 (backward (gnus-summary-find-prev unread))
5958 (t (gnus-summary-find-next unread))))
5960 (defun gnus-recenter (&optional n)
5961 "Center point in window and redisplay frame.
5962 Also do horizontal recentering."
5964 (when (and gnus-auto-center-summary
5965 (not (eq gnus-auto-center-summary 'vertical)))
5966 (gnus-horizontal-recenter))
5969 (defun gnus-summary-recenter ()
5970 "Center point in the summary window.
5971 If `gnus-auto-center-summary' is nil, or the article buffer isn't
5972 displayed, no centering will be performed."
5973 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
5974 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
5976 (let* ((top (cond ((< (window-height) 4) 0)
5977 ((< (window-height) 7) 1)
5978 (t (if (numberp gnus-auto-center-summary)
5979 gnus-auto-center-summary
5981 (height (1- (window-height)))
5982 (bottom (save-excursion (goto-char (point-max))
5983 (forward-line (- height))
5985 (window (get-buffer-window (current-buffer))))
5986 ;; The user has to want it.
5987 (when gnus-auto-center-summary
5988 (when (get-buffer-window gnus-article-buffer)
5989 ;; Only do recentering when the article buffer is displayed,
5990 ;; Set the window start to either `bottom', which is the biggest
5991 ;; possible valid number, or the second line from the top,
5992 ;; whichever is the least.
5993 (let ((top-pos (save-excursion (forward-line (- top)) (point))))
5994 (if (> bottom top-pos)
5995 ;; Keep the second line from the top visible
5996 (set-window-start window top-pos t)
5997 ;; Try to keep the bottom line visible; if it's partially
5998 ;; obscured, either scroll one more line to make it fully
5999 ;; visible, or revert to using TOP-POS.
6001 (goto-char (point-max))
6003 (let ((last-line-start (point)))
6005 (set-window-start window (point) t)
6006 (when (not (pos-visible-in-window-p last-line-start window))
6008 (set-window-start window (min (point) top-pos) t)))))))
6009 ;; Do horizontal recentering while we're at it.
6010 (when (and (get-buffer-window (current-buffer) t)
6011 (not (eq gnus-auto-center-summary 'vertical)))
6012 (let ((selected (selected-window)))
6013 (select-window (get-buffer-window (current-buffer) t))
6014 (gnus-summary-position-point)
6015 (gnus-horizontal-recenter)
6016 (select-window selected))))))
6018 (defun gnus-summary-jump-to-group (newsgroup)
6019 "Move point to NEWSGROUP in group mode buffer."
6020 ;; Keep update point of group mode buffer if visible.
6021 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
6022 (save-window-excursion
6023 ;; Take care of tree window mode.
6024 (when (get-buffer-window gnus-group-buffer)
6025 (pop-to-buffer gnus-group-buffer))
6026 (gnus-group-jump-to-group newsgroup))
6028 ;; Take care of tree window mode.
6029 (if (get-buffer-window gnus-group-buffer)
6030 (pop-to-buffer gnus-group-buffer)
6031 (set-buffer gnus-group-buffer))
6032 (gnus-group-jump-to-group newsgroup))))
6034 ;; This function returns a list of article numbers based on the
6035 ;; difference between the ranges of read articles in this group and
6036 ;; the range of active articles.
6037 (defun gnus-list-of-unread-articles (group)
6038 (let* ((read (gnus-info-read (gnus-get-info group)))
6039 (active (or (gnus-active group) (gnus-activate-group group)))
6042 ;; If none are read, then all are unread.
6044 (setq first (car active))
6045 ;; If the range of read articles is a single range, then the
6046 ;; first unread article is the article after the last read
6047 ;; article. Sounds logical, doesn't it?
6048 (if (and (not (listp (cdr read)))
6049 (or (< (car read) (car active))
6050 (progn (setq read (list read))
6052 (setq first (max (car active) (1+ (cdr read))))
6053 ;; `read' is a list of ranges.
6054 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6057 (setq first (car active)))
6060 (while (< first nlast)
6062 (setq first (1+ first))))
6063 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6064 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6065 (setq read (cdr read)))))
6066 ;; And add the last unread articles.
6067 (while (<= first last)
6069 (setq first (1+ first)))
6070 ;; Return the list of unread articles.
6071 (delq 0 (nreverse unread))))
6073 (defun gnus-list-of-read-articles (group)
6074 "Return a list of unread, unticked and non-dormant articles."
6075 (let* ((info (gnus-get-info group))
6076 (marked (gnus-info-marks info))
6077 (active (gnus-active group)))
6079 (gnus-list-range-difference
6080 (gnus-list-range-difference
6081 (gnus-sorted-complement
6082 (gnus-uncompress-range active)
6083 (gnus-list-of-unread-articles group))
6084 (cdr (assq 'dormant marked)))
6085 (cdr (assq 'tick marked))))))
6087 ;; Various summary commands
6089 (defun gnus-summary-select-article-buffer ()
6090 "Reconfigure windows to show article buffer."
6092 (if (not (gnus-buffer-live-p gnus-article-buffer))
6093 (error "There is no article buffer for this summary buffer")
6094 (gnus-configure-windows 'article)
6095 (select-window (get-buffer-window gnus-article-buffer))))
6097 (defun gnus-summary-universal-argument (arg)
6098 "Perform any operation on all articles that are process/prefixed."
6100 (let ((articles (gnus-summary-work-articles arg))
6107 (substitute-command-keys
6108 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
6110 (gnus-error 1 "Undefined key")
6113 (gnus-summary-goto-subject (setq article (pop articles)))
6114 (let (gnus-newsgroup-processable)
6115 (command-execute func))
6116 (gnus-summary-remove-process-mark article)))))
6117 (gnus-summary-position-point))
6119 (defun gnus-summary-toggle-truncation (&optional arg)
6120 "Toggle truncation of summary lines.
6121 With arg, turn line truncation on iff arg is positive."
6123 (setq truncate-lines
6124 (if (null arg) (not truncate-lines)
6125 (> (prefix-numeric-value arg) 0)))
6128 (defun gnus-summary-reselect-current-group (&optional all rescan)
6129 "Exit and then reselect the current newsgroup.
6130 The prefix argument ALL means to select all articles."
6132 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
6133 (error "Ephemeral groups can't be reselected"))
6134 (let ((current-subject (gnus-summary-article-number))
6135 (group gnus-newsgroup-name))
6136 (setq gnus-newsgroup-begin nil)
6138 ;; We have to adjust the point of group mode buffer because
6139 ;; point was moved to the next unread newsgroup by exiting.
6140 (gnus-summary-jump-to-group group)
6143 (gnus-group-get-new-news-this-group 1)))
6144 (gnus-group-read-group all t)
6145 (gnus-summary-goto-subject current-subject nil t)))
6147 (defun gnus-summary-rescan-group (&optional all)
6148 "Exit the newsgroup, ask for new articles, and select the newsgroup."
6150 (gnus-summary-reselect-current-group all t))
6152 (defun gnus-summary-update-info (&optional non-destructive)
6154 (let ((group gnus-newsgroup-name))
6156 (when gnus-newsgroup-kill-headers
6157 (setq gnus-newsgroup-killed
6158 (gnus-compress-sequence
6160 (gnus-list-range-intersection
6161 gnus-newsgroup-unselected gnus-newsgroup-killed)
6162 gnus-newsgroup-unreads)
6164 (unless (listp (cdr gnus-newsgroup-killed))
6165 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
6166 (let ((headers gnus-newsgroup-headers))
6167 ;; Set the new ranges of read articles.
6169 (set-buffer gnus-group-buffer)
6170 (gnus-undo-force-boundary))
6171 (gnus-update-read-articles
6172 group (gnus-sorted-union
6173 gnus-newsgroup-unreads gnus-newsgroup-unselected))
6174 ;; Set the current article marks.
6175 (let ((gnus-newsgroup-scored
6176 (if (and (not gnus-save-score)
6177 (not non-destructive))
6179 gnus-newsgroup-scored)))
6181 (gnus-update-marks)))
6182 ;; Do the cross-ref thing.
6183 (when gnus-use-cross-reference
6184 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
6185 ;; Do not switch windows but change the buffer to work.
6186 (set-buffer gnus-group-buffer)
6187 (unless (gnus-ephemeral-group-p group)
6188 (gnus-group-update-group group)))))))
6190 (defun gnus-summary-save-newsrc (&optional force)
6191 "Save the current number of read/marked articles in the dribble buffer.
6192 The dribble buffer will then be saved.
6193 If FORCE (the prefix), also save the .newsrc file(s)."
6195 (gnus-summary-update-info t)
6197 (gnus-save-newsrc-file)
6198 (gnus-dribble-save)))
6200 (defun gnus-summary-exit (&optional temporary)
6201 "Exit reading current newsgroup, and then return to group selection mode.
6202 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
6204 (gnus-set-global-variables)
6205 (when (gnus-buffer-live-p gnus-article-buffer)
6207 (set-buffer gnus-article-buffer)
6208 (mm-destroy-parts gnus-article-mime-handles)
6209 ;; Set it to nil for safety reason.
6210 (setq gnus-article-mime-handle-alist nil)
6211 (setq gnus-article-mime-handles nil)))
6212 (gnus-kill-save-kill-buffer)
6213 (gnus-async-halt-prefetch)
6214 (let* ((group gnus-newsgroup-name)
6215 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
6218 (buf (current-buffer)))
6220 ;; Do adaptive scoring, and possibly save score files.
6221 (when gnus-newsgroup-adaptive
6222 (gnus-score-adaptive))
6223 (when gnus-use-scoring
6225 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
6226 ;; If we have several article buffers, we kill them at exit.
6227 (unless gnus-single-article-buffer
6228 (gnus-kill-buffer gnus-original-article-buffer)
6229 (setq gnus-article-current nil))
6230 (when gnus-use-cache
6231 (gnus-cache-possibly-remove-articles)
6232 (gnus-cache-save-buffers))
6233 (gnus-async-prefetch-remove-group group)
6234 (when gnus-suppress-duplicates
6235 (gnus-dup-enter-articles))
6236 (when gnus-use-trees
6237 (gnus-tree-close group))
6238 (when gnus-use-cache
6239 (gnus-cache-write-active))
6240 ;; Remove entries for this group.
6241 (nnmail-purge-split-history (gnus-group-real-name group))
6242 ;; Make all changes in this group permanent.
6244 (gnus-run-hooks 'gnus-exit-group-hook)
6245 (gnus-summary-update-info))
6246 (gnus-close-group group)
6247 ;; Make sure where we were, and go to next newsgroup.
6248 (set-buffer gnus-group-buffer)
6250 (gnus-group-jump-to-group group))
6251 (gnus-run-hooks 'gnus-summary-exit-hook)
6252 (unless (or quit-config
6253 ;; If this group has disappeared from the summary
6254 ;; buffer, don't skip forwards.
6255 (not (string= group (gnus-group-group-name))))
6256 (gnus-group-next-unread-group 1))
6257 (setq group-point (point))
6260 ;; If we have several article buffers, we kill them at exit.
6261 (unless gnus-single-article-buffer
6262 (gnus-kill-buffer gnus-article-buffer)
6263 (gnus-kill-buffer gnus-original-article-buffer)
6264 (setq gnus-article-current nil))
6266 (if (not gnus-kill-summary-on-exit)
6268 (gnus-deaden-summary)
6270 ;; We set all buffer-local variables to nil. It is unclear why
6271 ;; this is needed, but if we don't, buffer-local variables are
6272 ;; not garbage-collected, it seems. This would the lead to en
6273 ;; ever-growing Emacs.
6274 (gnus-summary-clear-local-variables)
6275 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6276 (gnus-summary-clear-local-variables))
6277 (when (get-buffer gnus-article-buffer)
6278 (bury-buffer gnus-article-buffer))
6279 ;; We clear the global counterparts of the buffer-local
6280 ;; variables as well, just to be on the safe side.
6281 (set-buffer gnus-group-buffer)
6282 (gnus-summary-clear-local-variables)
6283 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6284 (gnus-summary-clear-local-variables)))
6285 (setq gnus-current-select-method gnus-select-method)
6286 (pop-to-buffer gnus-group-buffer)
6287 (if (not quit-config)
6289 (goto-char group-point)
6290 (gnus-configure-windows 'group 'force))
6291 (gnus-handle-ephemeral-exit quit-config))
6292 ;; Return to group mode buffer.
6293 (when (eq mode 'gnus-summary-mode)
6294 (gnus-kill-buffer buf))
6295 ;; Clear the current group name.
6297 (setq gnus-newsgroup-name nil)))))
6299 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
6300 (defun gnus-summary-exit-no-update (&optional no-questions)
6301 "Quit reading current newsgroup without updating read article info."
6303 (let* ((group gnus-newsgroup-name)
6304 (quit-config (gnus-group-quit-config group)))
6305 (when (or no-questions
6307 (gnus-y-or-n-p "Discard changes to this group and exit? "))
6308 (gnus-async-halt-prefetch)
6310 (delq 'gnus-summary-expire-articles
6311 (copy-sequence gnus-summary-prepare-exit-hook)))
6312 (when (gnus-buffer-live-p gnus-article-buffer)
6314 (set-buffer gnus-article-buffer)
6315 (mm-destroy-parts gnus-article-mime-handles)
6316 ;; Set it to nil for safety reason.
6317 (setq gnus-article-mime-handle-alist nil)
6318 (setq gnus-article-mime-handles nil)))
6319 ;; If we have several article buffers, we kill them at exit.
6320 (unless gnus-single-article-buffer
6321 (gnus-kill-buffer gnus-article-buffer)
6322 (gnus-kill-buffer gnus-original-article-buffer)
6323 (setq gnus-article-current nil))
6324 (if (not gnus-kill-summary-on-exit)
6325 (gnus-deaden-summary)
6326 (gnus-close-group group)
6327 (gnus-summary-clear-local-variables)
6328 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6329 (gnus-summary-clear-local-variables))
6330 (set-buffer gnus-group-buffer)
6331 (gnus-summary-clear-local-variables)
6332 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6333 (gnus-summary-clear-local-variables))
6334 (when (get-buffer gnus-summary-buffer)
6335 (kill-buffer gnus-summary-buffer)))
6336 (unless gnus-single-article-buffer
6337 (setq gnus-article-current nil))
6338 (when gnus-use-trees
6339 (gnus-tree-close group))
6340 (gnus-async-prefetch-remove-group group)
6341 (when (get-buffer gnus-article-buffer)
6342 (bury-buffer gnus-article-buffer))
6343 ;; Return to the group buffer.
6344 (gnus-configure-windows 'group 'force)
6345 ;; Clear the current group name.
6346 (setq gnus-newsgroup-name nil)
6347 (when (equal (gnus-group-group-name) group)
6348 (gnus-group-next-unread-group 1))
6350 (gnus-handle-ephemeral-exit quit-config)))))
6352 (defun gnus-handle-ephemeral-exit (quit-config)
6353 "Handle movement when leaving an ephemeral group.
6354 The state which existed when entering the ephemeral is reset."
6355 (if (not (buffer-name (car quit-config)))
6356 (gnus-configure-windows 'group 'force)
6357 (set-buffer (car quit-config))
6358 (cond ((eq major-mode 'gnus-summary-mode)
6359 (gnus-set-global-variables))
6360 ((eq major-mode 'gnus-article-mode)
6362 ;; The `gnus-summary-buffer' variable may point
6363 ;; to the old summary buffer when using a single
6365 (unless (gnus-buffer-live-p gnus-summary-buffer)
6366 (set-buffer gnus-group-buffer))
6367 (set-buffer gnus-summary-buffer)
6368 (gnus-set-global-variables))))
6369 (if (or (eq (cdr quit-config) 'article)
6370 (eq (cdr quit-config) 'pick))
6372 ;; The current article may be from the ephemeral group
6373 ;; thus it is best that we reload this article
6374 (gnus-summary-show-article)
6375 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
6376 (gnus-configure-windows 'pick 'force)
6377 (gnus-configure-windows (cdr quit-config) 'force)))
6378 (gnus-configure-windows (cdr quit-config) 'force))
6379 (when (eq major-mode 'gnus-summary-mode)
6380 (gnus-summary-next-subject 1 nil t)
6381 (gnus-summary-recenter)
6382 (gnus-summary-position-point))))
6386 (defvar gnus-dead-summary-mode-map nil)
6388 (unless gnus-dead-summary-mode-map
6389 (setq gnus-dead-summary-mode-map (make-keymap))
6390 (suppress-keymap gnus-dead-summary-mode-map)
6391 (substitute-key-definition
6392 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
6393 (dolist (key '("\C-d" "\r" "\177" [delete]))
6394 (define-key gnus-dead-summary-mode-map
6395 key 'gnus-summary-wake-up-the-dead))
6396 (dolist (key '("q" "Q"))
6397 (define-key gnus-dead-summary-mode-map key 'bury-buffer)))
6399 (defvar gnus-dead-summary-mode nil
6400 "Minor mode for Gnus summary buffers.")
6402 (defun gnus-dead-summary-mode (&optional arg)
6403 "Minor mode for Gnus summary buffers."
6405 (when (eq major-mode 'gnus-summary-mode)
6406 (make-local-variable 'gnus-dead-summary-mode)
6407 (setq gnus-dead-summary-mode
6408 (if (null arg) (not gnus-dead-summary-mode)
6409 (> (prefix-numeric-value arg) 0)))
6410 (when gnus-dead-summary-mode
6411 (gnus-add-minor-mode
6412 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
6414 (defun gnus-deaden-summary ()
6415 "Make the current summary buffer into a dead summary buffer."
6416 ;; Kill any previous dead summary buffer.
6417 (when (and gnus-dead-summary
6418 (buffer-name gnus-dead-summary))
6420 (set-buffer gnus-dead-summary)
6421 (when gnus-dead-summary-mode
6422 (kill-buffer (current-buffer)))))
6423 ;; Make this the current dead summary.
6424 (setq gnus-dead-summary (current-buffer))
6425 (gnus-dead-summary-mode 1)
6426 (let ((name (buffer-name)))
6427 (when (string-match "Summary" name)
6429 (concat (substring name 0 (match-beginning 0)) "Dead "
6430 (substring name (match-beginning 0)))
6434 (defun gnus-kill-or-deaden-summary (buffer)
6435 "Kill or deaden the summary BUFFER."
6437 (when (and (buffer-name buffer)
6438 (not gnus-single-article-buffer))
6441 (gnus-kill-buffer gnus-article-buffer)
6442 (gnus-kill-buffer gnus-original-article-buffer)))
6445 (gnus-kill-summary-on-exit
6446 (when (and gnus-use-trees
6447 (gnus-buffer-exists-p buffer))
6450 (gnus-tree-close gnus-newsgroup-name)))
6451 (gnus-kill-buffer buffer))
6452 ;; Deaden the buffer.
6453 ((gnus-buffer-exists-p buffer)
6456 (gnus-deaden-summary))))))
6458 (defun gnus-summary-wake-up-the-dead (&rest args)
6459 "Wake up the dead summary buffer."
6461 (gnus-dead-summary-mode -1)
6462 (let ((name (buffer-name)))
6463 (when (string-match "Dead " name)
6465 (concat (substring name 0 (match-beginning 0))
6466 (substring name (match-end 0)))
6468 (gnus-message 3 "This dead summary is now alive again"))
6470 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
6471 (defun gnus-summary-fetch-faq (&optional faq-dir)
6472 "Fetch the FAQ for the current group.
6473 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
6477 (when current-prefix-arg
6479 "Faq dir: " (and (listp gnus-group-faq-directory)
6480 (mapcar (lambda (file) (list file))
6481 gnus-group-faq-directory))))))
6482 (let (gnus-faq-buffer)
6483 (when (setq gnus-faq-buffer
6484 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
6485 (gnus-configure-windows 'summary-faq))))
6487 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
6488 (defun gnus-summary-describe-group (&optional force)
6489 "Describe the current newsgroup."
6491 (gnus-group-describe-group force gnus-newsgroup-name))
6493 (defun gnus-summary-describe-briefly ()
6494 "Describe summary mode commands briefly."
6496 (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")))
6498 ;; Walking around group mode buffer from summary mode.
6500 (defun gnus-summary-next-group (&optional no-article target-group backward)
6501 "Exit current newsgroup and then select next unread newsgroup.
6502 If prefix argument NO-ARTICLE is non-nil, no article is selected
6503 initially. If NEXT-GROUP, go to this group. If BACKWARD, go to
6504 previous group instead."
6506 ;; Stop pre-fetching.
6507 (gnus-async-halt-prefetch)
6508 (let ((current-group gnus-newsgroup-name)
6509 (current-buffer (current-buffer))
6511 ;; First we semi-exit this group to update Xrefs and all variables.
6512 ;; We can't do a real exit, because the window conf must remain
6513 ;; the same in case the user is prompted for info, and we don't
6514 ;; want the window conf to change before that...
6515 (gnus-summary-exit t)
6516 (while (not entered)
6517 ;; Then we find what group we are supposed to enter.
6518 (set-buffer gnus-group-buffer)
6519 (gnus-group-jump-to-group current-group)
6522 (if (eq gnus-keep-same-level 'best)
6523 (gnus-summary-best-group gnus-newsgroup-name)
6524 (gnus-summary-search-group backward gnus-keep-same-level))))
6525 (if (not target-group)
6526 ;; There are no further groups, so we return to the group
6529 (gnus-message 5 "Returning to the group buffer")
6531 (when (gnus-buffer-live-p current-buffer)
6532 (set-buffer current-buffer)
6533 (gnus-summary-exit))
6534 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
6535 ;; We try to enter the target group.
6536 (gnus-group-jump-to-group target-group)
6537 (let ((unreads (gnus-group-group-unread)))
6538 (if (and (or (eq t unreads)
6539 (and unreads (not (zerop unreads))))
6540 (gnus-summary-read-group
6541 target-group nil no-article
6542 (and (buffer-name current-buffer) current-buffer)
6545 (setq current-group target-group
6546 target-group nil)))))))
6548 (defun gnus-summary-prev-group (&optional no-article)
6549 "Exit current newsgroup and then select previous unread newsgroup.
6550 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
6552 (gnus-summary-next-group no-article nil t))
6554 ;; Walking around summary lines.
6556 (defun gnus-summary-first-subject (&optional unread undownloaded unseen)
6557 "Go to the first unread subject.
6558 If UNREAD is non-nil, go to the first unread article.
6559 Returns the article selected or nil if there are no unread articles."
6564 ((null gnus-newsgroup-data)
6565 (gnus-message 3 "No articles in the group")
6567 ;; Pick the first article.
6569 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
6570 (gnus-data-number (car gnus-newsgroup-data)))
6571 ;; No unread articles.
6572 ((null gnus-newsgroup-unreads)
6573 (gnus-message 3 "No more unread articles")
6575 ;; Find the first unread article.
6577 (let ((data gnus-newsgroup-data))
6579 (and (not (and undownloaded
6580 (eq gnus-undownloaded-mark
6581 (gnus-data-mark (car data)))))
6584 (gnus-data-number (car data))
6585 gnus-newsgroup-unseen))
6586 (not (gnus-data-unread-p (car data))))
6587 (not (gnus-data-unread-p (car data))))))
6588 (setq data (cdr data)))
6590 (goto-char (gnus-data-pos (car data)))
6591 (gnus-data-number (car data))))))
6592 (gnus-summary-position-point)))
6594 (defun gnus-summary-next-subject (n &optional unread dont-display)
6595 "Go to next N'th summary line.
6596 If N is negative, go to the previous N'th subject line.
6597 If UNREAD is non-nil, only unread articles are selected.
6598 The difference between N and the actual number of steps taken is
6601 (let ((backward (< n 0))
6605 (gnus-summary-find-prev unread)
6606 (gnus-summary-find-next unread)))
6607 (unless (zerop (setq n (1- n)))
6608 (gnus-summary-show-thread)))
6610 (gnus-message 7 "No more%s articles"
6611 (if unread " unread" "")))
6612 (unless dont-display
6613 (gnus-summary-recenter)
6614 (gnus-summary-position-point))
6617 (defun gnus-summary-next-unread-subject (n)
6618 "Go to next N'th unread summary line."
6620 (gnus-summary-next-subject n t))
6622 (defun gnus-summary-prev-subject (n &optional unread)
6623 "Go to previous N'th summary line.
6624 If optional argument UNREAD is non-nil, only unread article is selected."
6626 (gnus-summary-next-subject (- n) unread))
6628 (defun gnus-summary-prev-unread-subject (n)
6629 "Go to previous N'th unread summary line."
6631 (gnus-summary-next-subject (- n) t))
6633 (defun gnus-summary-goto-subject (article &optional force silent)
6634 "Go the subject line of ARTICLE.
6635 If FORCE, also allow jumping to articles not currently shown."
6636 (interactive "nArticle number: ")
6637 (unless (numberp article)
6638 (error "Article %s is not a number" article))
6640 (data (gnus-data-find article)))
6641 ;; We read in the article if we have to.
6644 (gnus-summary-insert-subject
6646 (if (or (numberp force) (vectorp force)) force)
6648 (setq data (gnus-data-find article)))
6653 (gnus-message 3 "Can't find article %d" article))
6655 (let ((pt (gnus-data-pos data)))
6657 (gnus-summary-set-article-display-arrow pt))
6658 (gnus-summary-position-point)
6661 ;; Walking around summary lines with displaying articles.
6663 (defun gnus-summary-expand-window (&optional arg)
6664 "Make the summary buffer take up the entire Emacs frame.
6665 Given a prefix, will force an `article' buffer configuration."
6668 (gnus-configure-windows 'article 'force)
6669 (gnus-configure-windows 'summary 'force)))
6671 (defun gnus-summary-display-article (article &optional all-header)
6672 "Display ARTICLE in article buffer."
6673 (when (gnus-buffer-live-p gnus-article-buffer)
6674 (with-current-buffer gnus-article-buffer
6675 (mm-enable-multibyte)))
6676 (gnus-set-global-variables)
6677 (when (gnus-buffer-live-p gnus-article-buffer)
6678 (with-current-buffer gnus-article-buffer
6679 (setq gnus-article-charset gnus-newsgroup-charset)
6680 (setq gnus-article-ignored-charsets gnus-newsgroup-ignored-charsets)
6681 (mm-enable-multibyte)))
6685 (if gnus-summary-display-article-function
6686 (funcall gnus-summary-display-article-function article all-header)
6687 (gnus-article-prepare article all-header))
6688 (gnus-run-hooks 'gnus-select-article-hook)
6689 (when (and gnus-current-article
6690 (not (zerop gnus-current-article)))
6691 (gnus-summary-goto-subject gnus-current-article))
6692 (gnus-summary-recenter)
6693 (when (and gnus-use-trees gnus-show-threads)
6694 (gnus-possibly-generate-tree article)
6695 (gnus-highlight-selected-tree article))
6696 ;; Successfully display article.
6697 (gnus-article-set-window-start
6698 (cdr (assq article gnus-newsgroup-bookmarks))))))
6700 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
6701 "Select the current article.
6702 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
6703 non-nil, the article will be re-fetched even if it already present in
6704 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
6706 ;; Make sure we are in the summary buffer to work around bbdb bug.
6707 (unless (eq major-mode 'gnus-summary-mode)
6708 (set-buffer gnus-summary-buffer))
6709 (let ((article (or article (gnus-summary-article-number)))
6710 (all-headers (not (not all-headers))) ;Must be t or nil.
6711 gnus-summary-display-article-function)
6713 (gnus-summary-article-pseudo-p article)
6714 (error "This is a pseudo-article"))
6716 (set-buffer gnus-summary-buffer)
6717 (if (or (and gnus-single-article-buffer
6718 (or (null gnus-current-article)
6719 (null gnus-article-current)
6720 (null (get-buffer gnus-article-buffer))
6721 (not (eq article (cdr gnus-article-current)))
6722 (not (equal (car gnus-article-current)
6723 gnus-newsgroup-name))))
6724 (and (not gnus-single-article-buffer)
6725 (or (null gnus-current-article)
6726 (not (eq gnus-current-article article))))
6728 ;; The requested article is different from the current article.
6730 (gnus-summary-display-article article all-headers)
6731 (when (gnus-buffer-live-p gnus-article-buffer)
6732 (with-current-buffer gnus-article-buffer
6733 (if (not gnus-article-decoded-p) ;; a local variable
6734 (mm-disable-multibyte))))
6735 (gnus-article-set-window-start
6736 (cdr (assq article gnus-newsgroup-bookmarks)))
6740 (defun gnus-summary-force-verify-and-decrypt ()
6742 (let ((mm-verify-option 'known)
6743 (mm-decrypt-option 'known)
6744 (gnus-buttonized-mime-types (append (list "multipart/signed"
6745 "multipart/encrypted")
6746 gnus-buttonized-mime-types)))
6747 (gnus-summary-select-article nil 'force)))
6749 (defun gnus-summary-set-current-mark (&optional current-mark)
6750 "Obsolete function."
6753 (defun gnus-summary-next-article (&optional unread subject backward push)
6754 "Select the next article.
6755 If UNREAD, only unread articles are selected.
6756 If SUBJECT, only articles with SUBJECT are selected.
6757 If BACKWARD, the previous article is selected instead of the next."
6760 ;; Is there such an article?
6761 ((and (gnus-summary-search-forward unread subject backward)
6762 (or (gnus-summary-display-article (gnus-summary-article-number))
6763 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
6764 (gnus-summary-position-point))
6765 ;; If not, we try the first unread, if that is wanted.
6767 gnus-auto-select-same
6768 (gnus-summary-first-unread-article))
6769 (gnus-summary-position-point)
6770 (gnus-message 6 "Wrapped"))
6771 ;; Try to get next/previous article not displayed in this group.
6772 ((and gnus-auto-extend-newsgroup
6773 (not unread) (not subject))
6774 (gnus-summary-goto-article
6775 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
6776 nil (count-lines (point-min) (point))))
6777 ;; Go to next/previous group.
6779 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
6780 (gnus-summary-jump-to-group gnus-newsgroup-name))
6781 (let ((cmd last-command-char)
6784 (set-buffer gnus-group-buffer)
6787 (if (eq gnus-keep-same-level 'best)
6788 (gnus-summary-best-group gnus-newsgroup-name)
6789 (gnus-summary-search-group backward gnus-keep-same-level))))
6790 ;; For some reason, the group window gets selected. We change
6792 (select-window (get-buffer-window (current-buffer)))
6793 ;; Select next unread newsgroup automagically.
6795 ((or (not gnus-auto-select-next)
6797 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
6798 ((or (eq gnus-auto-select-next 'quietly)
6799 (and (eq gnus-auto-select-next 'slightly-quietly)
6801 (and (eq gnus-auto-select-next 'almost-quietly)
6802 (gnus-summary-last-article-p)))
6804 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
6806 (gnus-message 7 "No more%s articles (%s)..."
6807 (if unread " unread" "")
6808 (if group (concat "selecting " group)
6810 (gnus-summary-next-group nil group backward)))
6812 (when (gnus-key-press-event-p last-input-event)
6813 (gnus-summary-walk-group-buffer
6814 gnus-newsgroup-name cmd unread backward point))))))))
6816 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
6817 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
6818 (?\C-p (gnus-group-prev-unread-group 1))))
6819 (cursor-in-echo-area t)
6820 keve key group ended)
6822 (set-buffer gnus-group-buffer)
6825 (if (eq gnus-keep-same-level 'best)
6826 (gnus-summary-best-group gnus-newsgroup-name)
6827 (gnus-summary-search-group backward gnus-keep-same-level))))
6830 5 "No more%s articles%s" (if unread " unread" "")
6832 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
6833 (format " (Type %s for %s [%s])"
6834 (single-key-description cmd) group
6835 (car (gnus-gethash group gnus-newsrc-hashtb)))
6836 (format " (Type %s to exit %s)"
6837 (single-key-description cmd)
6838 gnus-newsgroup-name)))
6839 ;; Confirm auto selection.
6840 (setq key (car (setq keve (gnus-read-event-char))))
6843 ((assq key keystrokes)
6844 (let ((obuf (current-buffer)))
6845 (switch-to-buffer gnus-group-buffer)
6847 (gnus-group-jump-to-group group))
6848 (eval (cadr (assq key keystrokes)))
6849 (setq group (gnus-group-group-name))
6850 (switch-to-buffer obuf))
6854 (gnus-ephemeral-group-p gnus-newsgroup-name))
6856 (gnus-summary-next-group nil group backward)))
6858 (push (cdr keve) unread-command-events))))))
6860 (defun gnus-summary-next-unread-article ()
6861 "Select unread article after current one."
6863 (gnus-summary-next-article
6864 (or (not (eq gnus-summary-goto-unread 'never))
6865 (gnus-summary-last-article-p (gnus-summary-article-number)))
6866 (and gnus-auto-select-same
6867 (gnus-summary-article-subject))))
6869 (defun gnus-summary-prev-article (&optional unread subject)
6870 "Select the article after the current one.
6871 If UNREAD is non-nil, only unread articles are selected."
6873 (gnus-summary-next-article unread subject t))
6875 (defun gnus-summary-prev-unread-article ()
6876 "Select unread article before current one."
6878 (gnus-summary-prev-article
6879 (or (not (eq gnus-summary-goto-unread 'never))
6880 (gnus-summary-first-article-p (gnus-summary-article-number)))
6881 (and gnus-auto-select-same
6882 (gnus-summary-article-subject))))
6884 (defun gnus-summary-next-page (&optional lines circular)
6885 "Show next page of the selected article.
6886 If at the end of the current article, select the next article.
6887 LINES says how many lines should be scrolled up.
6889 If CIRCULAR is non-nil, go to the start of the article instead of
6890 selecting the next article when reaching the end of the current
6893 (setq gnus-summary-buffer (current-buffer))
6894 (gnus-set-global-variables)
6895 (let ((article (gnus-summary-article-number))
6896 (article-window (get-buffer-window gnus-article-buffer t))
6898 ;; If the buffer is empty, we have no article.
6900 (error "No article to select"))
6901 (gnus-configure-windows 'article)
6902 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
6903 (if (and (eq gnus-summary-goto-unread 'never)
6904 (not (gnus-summary-last-article-p article)))
6905 (gnus-summary-next-article)
6906 (gnus-summary-next-unread-article))
6907 (if (or (null gnus-current-article)
6908 (null gnus-article-current)
6909 (/= article (cdr gnus-article-current))
6910 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
6911 ;; Selected subject is different from current article's.
6912 (gnus-summary-display-article article)
6913 (when article-window
6914 (gnus-eval-in-buffer-window gnus-article-buffer
6915 (setq endp (gnus-article-next-page lines)))
6918 (gnus-summary-beginning-of-article))
6920 (gnus-message 3 "End of message"))
6922 (if (and (eq gnus-summary-goto-unread 'never)
6923 (not (gnus-summary-last-article-p article)))
6924 (gnus-summary-next-article)
6925 (gnus-summary-next-unread-article))))))))
6926 (gnus-summary-recenter)
6927 (gnus-summary-position-point)))
6929 (defun gnus-summary-prev-page (&optional lines move)
6930 "Show previous page of selected article.
6931 Argument LINES specifies lines to be scrolled down.
6932 If MOVE, move to the previous unread article if point is at
6933 the beginning of the buffer."
6935 (let ((article (gnus-summary-article-number))
6936 (article-window (get-buffer-window gnus-article-buffer t))
6938 (gnus-configure-windows 'article)
6939 (if (or (null gnus-current-article)
6940 (null gnus-article-current)
6941 (/= article (cdr gnus-article-current))
6942 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
6943 ;; Selected subject is different from current article's.
6944 (gnus-summary-display-article article)
6945 (gnus-summary-recenter)
6946 (when article-window
6947 (gnus-eval-in-buffer-window gnus-article-buffer
6948 (setq endp (gnus-article-prev-page lines)))
6949 (when (and move endp)
6951 (gnus-message 3 "Beginning of message"))
6953 (if (and (eq gnus-summary-goto-unread 'never)
6954 (not (gnus-summary-first-article-p article)))
6955 (gnus-summary-prev-article)
6956 (gnus-summary-prev-unread-article))))))))
6957 (gnus-summary-position-point))
6959 (defun gnus-summary-prev-page-or-article (&optional lines)
6960 "Show previous page of selected article.
6961 Argument LINES specifies lines to be scrolled down.
6962 If at the beginning of the article, go to the next article."
6964 (gnus-summary-prev-page lines t))
6966 (defun gnus-summary-scroll-up (lines)
6967 "Scroll up (or down) one line current article.
6968 Argument LINES specifies lines to be scrolled up (or down if negative)."
6970 (gnus-configure-windows 'article)
6971 (gnus-summary-show-thread)
6972 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
6973 (gnus-eval-in-buffer-window gnus-article-buffer
6975 (when (gnus-article-next-page lines)
6976 (gnus-message 3 "End of message")))
6978 (gnus-article-prev-page (- lines))))))
6979 (gnus-summary-recenter)
6980 (gnus-summary-position-point))
6982 (defun gnus-summary-scroll-down (lines)
6983 "Scroll down (or up) one line current article.
6984 Argument LINES specifies lines to be scrolled down (or up if negative)."
6986 (gnus-summary-scroll-up (- lines)))
6988 (defun gnus-summary-next-same-subject ()
6989 "Select next article which has the same subject as current one."
6991 (gnus-summary-next-article nil (gnus-summary-article-subject)))
6993 (defun gnus-summary-prev-same-subject ()
6994 "Select previous article which has the same subject as current one."
6996 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
6998 (defun gnus-summary-next-unread-same-subject ()
6999 "Select next unread article which has the same subject as current one."
7001 (gnus-summary-next-article t (gnus-summary-article-subject)))
7003 (defun gnus-summary-prev-unread-same-subject ()
7004 "Select previous unread article which has the same subject as current one."
7006 (gnus-summary-prev-article t (gnus-summary-article-subject)))
7008 (defun gnus-summary-first-unread-article ()
7009 "Select the first unread article.
7010 Return nil if there are no unread articles."
7013 (when (gnus-summary-first-subject t)
7014 (gnus-summary-show-thread)
7015 (gnus-summary-first-subject t)
7016 (gnus-summary-display-article (gnus-summary-article-number)))
7017 (gnus-summary-position-point)))
7019 (defun gnus-summary-first-unread-subject ()
7020 "Place the point on the subject line of the first unread article.
7021 Return nil if there are no unread articles."
7024 (when (gnus-summary-first-subject t)
7025 (gnus-summary-show-thread)
7026 (gnus-summary-first-subject t))
7027 (gnus-summary-position-point)))
7029 (defun gnus-summary-first-unseen-subject ()
7030 "Place the point on the subject line of the first unseen article.
7031 Return nil if there are no unseen articles."
7034 (when (gnus-summary-first-subject t t t)
7035 (gnus-summary-show-thread)
7036 (gnus-summary-first-subject t t t))
7037 (gnus-summary-position-point)))
7039 (defun gnus-summary-first-unseen-or-unread-subject ()
7040 "Place the point on the subject line of the first unseen article.
7041 Return nil if there are no unseen articles."
7044 (unless (when (gnus-summary-first-subject t t t)
7045 (gnus-summary-show-thread)
7046 (gnus-summary-first-subject t t t))
7047 (when (gnus-summary-first-subject t)
7048 (gnus-summary-show-thread)
7049 (gnus-summary-first-subject t)))
7050 (gnus-summary-position-point)))
7052 (defun gnus-summary-first-article ()
7053 "Select the first article.
7054 Return nil if there are no articles."
7057 (when (gnus-summary-first-subject)
7058 (gnus-summary-show-thread)
7059 (gnus-summary-first-subject)
7060 (gnus-summary-display-article (gnus-summary-article-number)))
7061 (gnus-summary-position-point)))
7063 (defun gnus-summary-best-unread-article (&optional arg)
7064 "Select the unread article with the highest score.
7065 If given a prefix argument, select the next unread article that has a
7066 score higher than the default score."
7068 (let ((article (if arg
7069 (gnus-summary-better-unread-subject)
7070 (gnus-summary-best-unread-subject))))
7072 (gnus-summary-goto-article article)
7073 (error "No unread articles"))))
7075 (defun gnus-summary-best-unread-subject ()
7076 "Select the unread subject with the highest score."
7078 (let ((best -1000000)
7079 (data gnus-newsgroup-data)
7082 (and (gnus-data-unread-p (car data))
7084 (gnus-summary-article-score (gnus-data-number (car data))))
7087 article (gnus-data-number (car data))))
7088 (setq data (cdr data)))
7090 (gnus-summary-goto-subject article))
7091 (gnus-summary-position-point)
7094 (defun gnus-summary-better-unread-subject ()
7095 "Select the first unread subject that has a score over the default score."
7097 (let ((data gnus-newsgroup-data)
7099 (while (and (setq article (gnus-data-number (car data)))
7100 (or (gnus-data-read-p (car data))
7101 (not (> (gnus-summary-article-score article)
7102 gnus-summary-default-score))))
7103 (setq data (cdr data)))
7105 (gnus-summary-goto-subject article))
7106 (gnus-summary-position-point)
7109 (defun gnus-summary-last-subject ()
7110 "Go to the last displayed subject line in the group."
7111 (let ((article (gnus-data-number (car (gnus-data-list t)))))
7113 (gnus-summary-goto-subject article))))
7115 (defun gnus-summary-goto-article (article &optional all-headers force)
7116 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
7117 If ALL-HEADERS is non-nil, no header lines are hidden.
7118 If FORCE, go to the article even if it isn't displayed. If FORCE
7119 is a number, it is the line the article is to be displayed on."
7123 "Article number or Message-ID: "
7124 (mapcar (lambda (number) (list (int-to-string number)))
7125 gnus-newsgroup-limit))
7129 (if (and (stringp article)
7130 (string-match "@" article))
7131 (gnus-summary-refer-article article)
7132 (when (stringp article)
7133 (setq article (string-to-number article)))
7134 (if (gnus-summary-goto-subject article force)
7135 (gnus-summary-display-article article all-headers)
7136 (gnus-message 4 "Couldn't go to article %s" article) nil))
7137 (gnus-summary-position-point)))
7139 (defun gnus-summary-goto-last-article ()
7140 "Go to the previously read article."
7143 (when gnus-last-article
7144 (gnus-summary-goto-article gnus-last-article nil t))
7145 (gnus-summary-position-point)))
7147 (defun gnus-summary-pop-article (number)
7148 "Pop one article off the history and go to the previous.
7149 NUMBER articles will be popped off."
7152 (setq gnus-newsgroup-history
7153 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
7155 (gnus-summary-goto-article (car to) nil t)
7156 (error "Article history empty")))
7157 (gnus-summary-position-point))
7159 ;; Summary commands and functions for limiting the summary buffer.
7161 (defun gnus-summary-limit-to-articles (n)
7162 "Limit the summary buffer to the next N articles.
7163 If not given a prefix, use the process marked articles instead."
7166 (let ((articles (gnus-summary-work-articles n)))
7167 (setq gnus-newsgroup-processable nil)
7168 (gnus-summary-limit articles))
7169 (gnus-summary-position-point)))
7171 (defun gnus-summary-pop-limit (&optional total)
7172 "Restore the previous limit.
7173 If given a prefix, remove all limits."
7176 (setq gnus-newsgroup-limits
7177 (list (mapcar (lambda (h) (mail-header-number h))
7178 gnus-newsgroup-headers))))
7179 (unless gnus-newsgroup-limits
7180 (error "No limit to pop"))
7182 (gnus-summary-limit nil 'pop)
7183 (gnus-summary-position-point)))
7185 (defun gnus-summary-limit-to-subject (subject &optional header not-matching)
7186 "Limit the summary buffer to articles that have subjects that match a regexp.
7187 If NOT-MATCHING, excluding articles that have subjects that match a regexp."
7189 (list (read-string (if current-prefix-arg
7190 "Exclude subject (regexp): "
7191 "Limit to subject (regexp): "))
7192 nil current-prefix-arg))
7194 (setq header "subject"))
7195 (when (not (equal "" subject))
7197 (let ((articles (gnus-summary-find-matching
7198 (or header "subject") subject 'all nil nil
7201 (error "Found no matches for \"%s\"" subject))
7202 (gnus-summary-limit articles))
7203 (gnus-summary-position-point))))
7205 (defun gnus-summary-limit-to-author (from &optional not-matching)
7206 "Limit the summary buffer to articles that have authors that match a regexp.
7207 If NOT-MATCHING, excluding articles that have authors that match a regexp."
7209 (list (read-string (if current-prefix-arg
7210 "Exclude author (regexp): "
7211 "Limit to author (regexp): "))
7212 current-prefix-arg))
7213 (gnus-summary-limit-to-subject from "from" not-matching))
7215 (defun gnus-summary-limit-to-age (age &optional younger-p)
7216 "Limit the summary buffer to articles that are older than (or equal) AGE days.
7217 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
7218 articles that are younger than AGE days."
7220 (let ((younger current-prefix-arg)
7223 (while (not days-got)
7224 (setq days (if younger
7225 (read-string "Limit to articles within (in days): ")
7226 (read-string "Limit to articles older than (in days): ")))
7227 (when (> (length days) 0)
7228 (setq days (read days)))
7234 (setq younger (not younger))
7235 (setq days (* days -1)))))
7236 (message "Please enter a number.")
7238 (list days younger)))
7240 (let ((data gnus-newsgroup-data)
7241 (cutoff (days-to-time age))
7242 articles d date is-younger)
7243 (while (setq d (pop data))
7244 (when (and (vectorp (gnus-data-header d))
7245 (setq date (mail-header-date (gnus-data-header d))))
7246 (setq is-younger (time-less-p
7247 (time-since (condition-case ()
7254 (push (gnus-data-number d) articles))))
7255 (gnus-summary-limit (nreverse articles)))
7256 (gnus-summary-position-point)))
7258 (defun gnus-summary-limit-to-extra (header regexp &optional not-matching)
7259 "Limit the summary buffer to articles that match an 'extra' header."
7263 (gnus-completing-read-with-default
7264 (symbol-name (car gnus-extra-headers))
7265 (if current-prefix-arg
7266 "Exclude extra header:"
7267 "Limit extra header:")
7269 (cons (symbol-name x) x))
7274 (read-string (format "%s header %s (regexp): "
7275 (if current-prefix-arg "Exclude" "Limit to")
7277 current-prefix-arg)))
7278 (when (not (equal "" regexp))
7280 (let ((articles (gnus-summary-find-matching
7281 (cons 'extra header) regexp 'all nil nil
7284 (error "Found no matches for \"%s\"" regexp))
7285 (gnus-summary-limit articles))
7286 (gnus-summary-position-point))))
7288 (defun gnus-summary-limit-to-display-predicate ()
7289 "Limit the summary buffer to the predicated in the `display' group parameter."
7291 (unless gnus-newsgroup-display
7292 (error "There is no `display' group parameter"))
7294 (dolist (number gnus-newsgroup-articles)
7295 (when (funcall gnus-newsgroup-display)
7296 (push number articles)))
7297 (gnus-summary-limit articles))
7298 (gnus-summary-position-point))
7300 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7302 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7304 (defun gnus-summary-limit-to-unread (&optional all)
7305 "Limit the summary buffer to articles that are not marked as read.
7306 If ALL is non-nil, limit strictly to unread articles."
7309 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
7310 (gnus-summary-limit-to-marks
7311 ;; Concat all the marks that say that an article is read and have
7313 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
7314 gnus-killed-mark gnus-spam-mark gnus-kill-file-mark
7315 gnus-low-score-mark gnus-expirable-mark
7316 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
7317 gnus-duplicate-mark gnus-souped-mark)
7320 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
7321 (make-obsolete 'gnus-summary-delete-marked-with
7322 'gnus-summary-limit-exclude-marks)
7324 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
7325 "Exclude articles that are marked with MARKS (e.g. \"DK\").
7326 If REVERSE, limit the summary buffer to articles that are marked
7327 with MARKS. MARKS can either be a string of marks or a list of marks.
7328 Returns how many articles were removed."
7329 (interactive "sMarks: ")
7330 (gnus-summary-limit-to-marks marks t))
7332 (defun gnus-summary-limit-to-marks (marks &optional reverse)
7333 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
7334 If REVERSE (the prefix), limit the summary buffer to articles that are
7335 not marked with MARKS. MARKS can either be a string of marks or a
7337 Returns how many articles were removed."
7338 (interactive "sMarks: \nP")
7340 (let ((data gnus-newsgroup-data)
7341 (marks (if (listp marks) marks
7342 (append marks nil))) ; Transform to list.
7345 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
7346 (memq (gnus-data-mark (car data)) marks))
7347 (push (gnus-data-number (car data)) articles))
7348 (setq data (cdr data)))
7349 (gnus-summary-limit articles))
7350 (gnus-summary-position-point)))
7352 (defun gnus-summary-limit-to-score (score)
7353 "Limit to articles with score at or above SCORE."
7354 (interactive "NLimit to articles with score of at least: ")
7355 (let ((data gnus-newsgroup-data)
7358 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
7360 (push (gnus-data-number (car data)) articles))
7361 (setq data (cdr data)))
7363 (gnus-summary-limit articles)
7364 (gnus-summary-position-point))))
7366 (defun gnus-summary-limit-include-thread (id)
7367 "Display all the hidden articles that is in the thread with ID in it.
7368 When called interactively, ID is the Message-ID of the current
7370 (interactive (list (mail-header-id (gnus-summary-article-header))))
7371 (let ((articles (gnus-articles-in-thread
7372 (gnus-id-to-thread (gnus-root-id id)))))
7374 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
7375 (gnus-summary-limit-include-matching-articles
7377 (regexp-quote (gnus-simplify-subject-re
7378 (mail-header-subject (gnus-id-to-header id)))))
7379 (gnus-summary-position-point))))
7381 (defun gnus-summary-limit-include-matching-articles (header regexp)
7382 "Display all the hidden articles that have HEADERs that match REGEXP."
7383 (interactive (list (read-string "Match on header: ")
7384 (read-string "Regexp: ")))
7385 (let ((articles (gnus-find-matching-articles header regexp)))
7387 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
7388 (gnus-summary-position-point))))
7390 (defun gnus-summary-limit-include-dormant ()
7391 "Display all the hidden articles that are marked as dormant.
7392 Note that this command only works on a subset of the articles currently
7393 fetched for this group."
7395 (unless gnus-newsgroup-dormant
7396 (error "There are no dormant articles in this group"))
7398 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
7399 (gnus-summary-position-point)))
7401 (defun gnus-summary-limit-exclude-dormant ()
7402 "Hide all dormant articles."
7405 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
7406 (gnus-summary-position-point)))
7408 (defun gnus-summary-limit-exclude-childless-dormant ()
7409 "Hide all dormant articles that have no children."
7411 (let ((data (gnus-data-list t))
7412 articles d children)
7413 ;; Find all articles that are either not dormant or have
7415 (while (setq d (pop data))
7416 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
7418 (gnus-article-children (gnus-data-number d)))
7421 (when (memq (car children) articles)
7426 (push (gnus-data-number d) articles)))
7429 (gnus-summary-limit articles)
7430 (gnus-summary-position-point))))
7432 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
7433 "Mark all unread excluded articles as read.
7434 If ALL, mark even excluded ticked and dormants as read."
7436 (setq gnus-newsgroup-limit (sort gnus-newsgroup-limit '<))
7437 (let ((articles (gnus-sorted-ndifference
7439 (mapcar (lambda (h) (mail-header-number h))
7440 gnus-newsgroup-headers)
7442 gnus-newsgroup-limit))
7444 (setq gnus-newsgroup-unreads
7445 (gnus-sorted-intersection gnus-newsgroup-unreads
7446 gnus-newsgroup-limit))
7448 (setq gnus-newsgroup-dormant nil
7449 gnus-newsgroup-marked nil
7450 gnus-newsgroup-reads
7452 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
7453 gnus-newsgroup-reads))
7454 (while (setq article (pop articles))
7455 (unless (or (memq article gnus-newsgroup-dormant)
7456 (memq article gnus-newsgroup-marked))
7457 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
7459 (defun gnus-summary-limit (articles &optional pop)
7461 ;; We pop the previous limit off the stack and use that.
7462 (setq articles (car gnus-newsgroup-limits)
7463 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
7464 ;; We use the new limit, so we push the old limit on the stack.
7465 (push gnus-newsgroup-limit gnus-newsgroup-limits))
7467 (setq gnus-newsgroup-limit articles)
7468 (let ((total (length gnus-newsgroup-data))
7469 (data (gnus-data-find-list (gnus-summary-article-number)))
7470 (gnus-summary-mark-below nil) ; Inhibit this.
7472 ;; This will do all the work of generating the new summary buffer
7473 ;; according to the new limit.
7474 (gnus-summary-prepare)
7475 ;; Hide any threads, possibly.
7476 (gnus-summary-maybe-hide-threads)
7477 ;; Try to return to the article you were at, or one in the
7480 ;; We try to find some article after the current one.
7482 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
7485 (setq data (cdr data))))
7487 ;; If there is no data, that means that we were after the last
7488 ;; article. The same goes when we can't find any articles
7489 ;; after the current one.
7490 (goto-char (point-max))
7491 (gnus-summary-find-prev))
7492 (gnus-set-mode-line 'summary)
7493 ;; We return how many articles were removed from the summary
7494 ;; buffer as a result of the new limit.
7495 (- total (length gnus-newsgroup-data))))
7497 (defsubst gnus-invisible-cut-children (threads)
7500 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
7505 (defsubst gnus-cut-thread (thread)
7506 "Go forwards in the thread until we find an article that we want to display."
7507 (when (or (eq gnus-fetch-old-headers 'some)
7508 (eq gnus-fetch-old-headers 'invisible)
7509 (numberp gnus-fetch-old-headers)
7510 (eq gnus-build-sparse-threads 'some)
7511 (eq gnus-build-sparse-threads 'more))
7512 ;; Deal with old-fetched headers and sparse threads.
7516 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
7517 (gnus-summary-article-ancient-p
7518 (mail-header-number (car thread))))
7519 (if (or (<= (length (cdr thread)) 1)
7520 (eq gnus-fetch-old-headers 'invisible))
7521 (setq gnus-newsgroup-limit
7522 (delq (mail-header-number (car thread))
7523 gnus-newsgroup-limit)
7524 thread (cadr thread))
7525 (when (gnus-invisible-cut-children (cdr thread))
7526 (let ((th (cdr thread)))
7528 (if (memq (mail-header-number (caar th))
7529 gnus-newsgroup-limit)
7530 (setq thread (car th)
7532 (setq th (cdr th))))))))))
7535 (defun gnus-cut-threads (threads)
7536 "Cut off all uninteresting articles from the beginning of threads."
7537 (when (or (eq gnus-fetch-old-headers 'some)
7538 (eq gnus-fetch-old-headers 'invisible)
7539 (numberp gnus-fetch-old-headers)
7540 (eq gnus-build-sparse-threads 'some)
7541 (eq gnus-build-sparse-threads 'more))
7544 (setcar th (gnus-cut-thread (car th)))
7545 (setq th (cdr th)))))
7546 ;; Remove nixed out threads.
7549 (defun gnus-summary-initial-limit (&optional show-if-empty)
7550 "Figure out what the initial limit is supposed to be on group entry.
7551 This entails weeding out unwanted dormants, low-scored articles,
7552 fetch-old-headers verbiage, and so on."
7553 ;; Most groups have nothing to remove.
7554 (if (or gnus-inhibit-limiting
7555 (and (null gnus-newsgroup-dormant)
7556 (eq gnus-newsgroup-display 'gnus-not-ignore)
7557 (not (eq gnus-fetch-old-headers 'some))
7558 (not (numberp gnus-fetch-old-headers))
7559 (not (eq gnus-fetch-old-headers 'invisible))
7560 (null gnus-summary-expunge-below)
7561 (not (eq gnus-build-sparse-threads 'some))
7562 (not (eq gnus-build-sparse-threads 'more))
7563 (null gnus-thread-expunge-below)
7564 (not gnus-use-nocem)))
7566 (push gnus-newsgroup-limit gnus-newsgroup-limits)
7567 (setq gnus-newsgroup-limit nil)
7570 (unless (car (symbol-value node))
7571 ;; These threads have no parents -- they are roots.
7572 (let ((nodes (cdr (symbol-value node)))
7575 (if (and gnus-thread-expunge-below
7576 (< (gnus-thread-total-score (car nodes))
7577 gnus-thread-expunge-below))
7578 (gnus-expunge-thread (pop nodes))
7579 (setq thread (pop nodes))
7580 (gnus-summary-limit-children thread))))))
7581 gnus-newsgroup-dependencies)
7582 ;; If this limitation resulted in an empty group, we might
7583 ;; pop the previous limit and use it instead.
7584 (when (and (not gnus-newsgroup-limit)
7586 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
7587 gnus-newsgroup-limit))
7589 (defun gnus-summary-limit-children (thread)
7590 "Return 1 if this subthread is visible and 0 if it is not."
7591 ;; First we get the number of visible children to this thread. This
7592 ;; is done by recursing down the thread using this function, so this
7593 ;; will really go down to a leaf article first, before slowly
7594 ;; working its way up towards the root.
7598 (apply '+ (mapcar 'gnus-summary-limit-children
7601 (number (mail-header-number (car thread)))
7604 (not (memq number gnus-newsgroup-marked))
7606 ;; If this article is dormant and has absolutely no visible
7607 ;; children, then this article isn't visible.
7608 (and (memq number gnus-newsgroup-dormant)
7610 ;; If this is "fetch-old-headered" and there is no
7611 ;; visible children, then we don't want this article.
7612 (and (or (eq gnus-fetch-old-headers 'some)
7613 (numberp gnus-fetch-old-headers))
7614 (gnus-summary-article-ancient-p number)
7616 ;; If this is "fetch-old-headered" and `invisible', then
7617 ;; we don't want this article.
7618 (and (eq gnus-fetch-old-headers 'invisible)
7619 (gnus-summary-article-ancient-p number))
7620 ;; If this is a sparsely inserted article with no children,
7621 ;; we don't want it.
7622 (and (eq gnus-build-sparse-threads 'some)
7623 (gnus-summary-article-sparse-p number)
7625 ;; If we use expunging, and this article is really
7626 ;; low-scored, then we don't want this article.
7627 (when (and gnus-summary-expunge-below
7629 (or (cdr (assq number gnus-newsgroup-scored))
7630 gnus-summary-default-score))
7631 gnus-summary-expunge-below))
7632 ;; We increase the expunge-tally here, but that has
7633 ;; nothing to do with the limits, really.
7634 (incf gnus-newsgroup-expunged-tally)
7635 ;; We also mark as read here, if that's wanted.
7636 (when (and gnus-summary-mark-below
7637 (< score gnus-summary-mark-below))
7638 (setq gnus-newsgroup-unreads
7639 (delq number gnus-newsgroup-unreads))
7640 (if gnus-newsgroup-auto-expire
7641 (push number gnus-newsgroup-expirable)
7642 (push (cons number gnus-low-score-mark)
7643 gnus-newsgroup-reads)))
7645 ;; Do the `display' group parameter.
7646 (and gnus-newsgroup-display
7647 (not (funcall gnus-newsgroup-display)))
7648 ;; Check NoCeM things.
7649 (if (and gnus-use-nocem
7650 (gnus-nocem-unwanted-article-p
7651 (mail-header-id (car thread))))
7653 (setq gnus-newsgroup-unreads
7654 (delq number gnus-newsgroup-unreads))
7656 ;; Nope, invisible article.
7658 ;; Ok, this article is to be visible, so we add it to the limit
7660 (push number gnus-newsgroup-limit)
7663 (defun gnus-expunge-thread (thread)
7664 "Mark all articles in THREAD as read."
7665 (let* ((number (mail-header-number (car thread))))
7666 (incf gnus-newsgroup-expunged-tally)
7667 ;; We also mark as read here, if that's wanted.
7668 (setq gnus-newsgroup-unreads
7669 (delq number gnus-newsgroup-unreads))
7670 (if gnus-newsgroup-auto-expire
7671 (push number gnus-newsgroup-expirable)
7672 (push (cons number gnus-low-score-mark)
7673 gnus-newsgroup-reads)))
7674 ;; Go recursively through all subthreads.
7675 (mapcar 'gnus-expunge-thread (cdr thread)))
7677 ;; Summary article oriented commands
7679 (defun gnus-summary-refer-parent-article (n)
7680 "Refer parent article N times.
7681 If N is negative, go to ancestor -N instead.
7682 The difference between N and the number of articles fetched is returned."
7686 (when (not (natnump n))
7691 (setq header (gnus-summary-article-header))
7692 (if (and (eq (mail-header-number header)
7693 (cdr gnus-article-current))
7694 (equal gnus-newsgroup-name
7695 (car gnus-article-current)))
7696 ;; If we try to find the parent of the currently
7697 ;; displayed article, then we take a look at the actual
7698 ;; References header, since this is slightly more
7699 ;; reliable than the References field we got from the
7702 (set-buffer gnus-original-article-buffer)
7703 (nnheader-narrow-to-headers)
7704 (unless (setq ref (message-fetch-field "references"))
7705 (setq ref (message-fetch-field "in-reply-to")))
7708 ;; It's not the current article, so we take a bet on
7709 ;; the value we got from the server.
7710 (mail-header-references header)))
7712 (not (equal ref "")))
7713 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
7714 (gnus-message 1 "Couldn't find parent"))
7715 (gnus-message 1 "No references in article %d"
7716 (gnus-summary-article-number))
7719 (gnus-summary-position-point)
7722 (defun gnus-summary-refer-references ()
7723 "Fetch all articles mentioned in the References header.
7724 Return the number of articles fetched."
7726 (let ((ref (mail-header-references (gnus-summary-article-header)))
7727 (current (gnus-summary-article-number))
7731 (error "No References in the current article")
7732 ;; For each Message-ID in the References header...
7733 (while (string-match "<[^>]*>" ref)
7735 ;; ... fetch that article.
7736 (gnus-summary-refer-article
7737 (prog1 (match-string 0 ref)
7738 (setq ref (substring ref (match-end 0))))))
7739 (gnus-summary-goto-subject current)
7740 (gnus-summary-position-point)
7743 (defun gnus-summary-refer-thread (&optional limit)
7744 "Fetch all articles in the current thread.
7745 If LIMIT (the numerical prefix), fetch that many old headers instead
7746 of what's specified by the `gnus-refer-thread-limit' variable."
7748 (let ((id (mail-header-id (gnus-summary-article-header)))
7749 (limit (if limit (prefix-numeric-value limit)
7750 gnus-refer-thread-limit)))
7751 ;; We want to fetch LIMIT *old* headers, but we also have to
7752 ;; re-fetch all the headers in the current buffer, because many of
7753 ;; them may be undisplayed. So we adjust LIMIT.
7754 (when (numberp limit)
7755 (incf limit (- gnus-newsgroup-end gnus-newsgroup-begin)))
7756 (unless (eq gnus-fetch-old-headers 'invisible)
7757 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
7758 ;; Retrieve the headers and read them in.
7759 (if (eq (gnus-retrieve-headers
7760 (list gnus-newsgroup-end) gnus-newsgroup-name limit)
7762 (gnus-build-all-threads)
7763 (error "Can't fetch thread from backends that don't support NOV"))
7764 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
7765 (gnus-summary-limit-include-thread id)))
7767 (defun gnus-summary-refer-article (message-id)
7768 "Fetch an article specified by MESSAGE-ID."
7769 (interactive "sMessage-ID: ")
7770 (when (and (stringp message-id)
7771 (not (zerop (length message-id))))
7772 ;; Construct the correct Message-ID if necessary.
7773 ;; Suggested by tale@pawl.rpi.edu.
7774 (unless (string-match "^<" message-id)
7775 (setq message-id (concat "<" message-id)))
7776 (unless (string-match ">$" message-id)
7777 (setq message-id (concat message-id ">")))
7778 (let* ((header (gnus-id-to-header message-id))
7780 (gnus-summary-article-sparse-p
7781 (mail-header-number header))
7782 (memq (mail-header-number header)
7783 gnus-newsgroup-limit)))
7786 ;; If the article is present in the buffer we just go to it.
7788 (or (not (gnus-summary-article-sparse-p
7789 (mail-header-number header)))
7792 (gnus-summary-goto-article
7793 (mail-header-number header) nil t)
7795 (gnus-summary-update-article (mail-header-number header)))))
7797 ;; We fetch the article.
7799 (dolist (gnus-override-method (gnus-refer-article-methods))
7800 (gnus-check-server gnus-override-method)
7801 ;; Fetch the header, and display the article.
7802 (when (setq number (gnus-summary-insert-subject message-id))
7803 (gnus-summary-select-article nil nil nil number)
7805 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
7807 (defun gnus-refer-article-methods ()
7808 "Return a list of referrable methods."
7810 ;; No method, so we default to current and native.
7811 ((null gnus-refer-article-method)
7812 (list gnus-current-select-method gnus-select-method))
7814 ((eq 'current gnus-refer-article-method)
7815 (list gnus-current-select-method))
7816 ;; List of select methods.
7817 ((not (and (symbolp (car gnus-refer-article-method))
7818 (assq (car gnus-refer-article-method) nnoo-definition-alist)))
7820 (dolist (method gnus-refer-article-method)
7821 (push (if (eq 'current method)
7822 gnus-current-select-method
7826 ;; One single select method.
7828 (list gnus-refer-article-method))))
7830 (defun gnus-summary-edit-parameters ()
7831 "Edit the group parameters of the current group."
7833 (gnus-group-edit-group gnus-newsgroup-name 'params))
7835 (defun gnus-summary-customize-parameters ()
7836 "Customize the group parameters of the current group."
7838 (gnus-group-customize gnus-newsgroup-name))
7840 (defun gnus-summary-enter-digest-group (&optional force)
7841 "Enter an nndoc group based on the current article.
7842 If FORCE, force a digest interpretation. If not, try
7843 to guess what the document format is."
7845 (let ((conf gnus-current-window-configuration))
7847 (gnus-summary-select-article))
7848 (setq gnus-current-window-configuration conf)
7849 (let* ((name (format "%s-%d"
7850 (gnus-group-prefixed-name
7851 gnus-newsgroup-name (list 'nndoc ""))
7853 (set-buffer gnus-summary-buffer)
7854 gnus-current-article)))
7855 (ogroup gnus-newsgroup-name)
7856 (params (append (gnus-info-params (gnus-get-info ogroup))
7857 (list (cons 'to-group ogroup))
7858 (list (cons 'save-article-group ogroup))))
7859 (case-fold-search t)
7860 (buf (current-buffer))
7863 (set-buffer gnus-original-article-buffer)
7864 ;; Have the digest group inherit the main mail address of
7865 ;; the parent article.
7866 (when (setq to-address (or (gnus-fetch-field "reply-to")
7867 (gnus-fetch-field "from")))
7868 (setq params (append
7869 (list (cons 'to-address
7870 (funcall gnus-decode-encoded-word-function
7872 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
7873 (insert-buffer-substring gnus-original-article-buffer)
7874 ;; Remove lines that may lead nndoc to misinterpret the
7877 (goto-char (point-min))
7878 (or (search-forward "\n\n" nil t) (point)))
7879 (goto-char (point-min))
7880 (delete-matching-lines "^Path:\\|^From ")
7883 (if (let ((gnus-newsgroup-ephemeral-charset gnus-newsgroup-charset)
7884 (gnus-newsgroup-ephemeral-ignored-charsets
7885 gnus-newsgroup-ignored-charsets))
7886 (gnus-group-read-ephemeral-group
7887 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
7889 ,(if force 'mbox 'guess)))
7891 `((adapt-file . ,(gnus-score-file-name gnus-newsgroup-name
7893 ;; Make all postings to this group go to the parent group.
7894 (nconc (gnus-info-params (gnus-get-info name))
7896 ;; Couldn't select this doc group.
7897 (switch-to-buffer buf)
7898 (gnus-set-global-variables)
7899 (gnus-configure-windows 'summary)
7900 (gnus-message 3 "Article couldn't be entered?"))
7901 (kill-buffer dig)))))
7903 (defun gnus-summary-read-document (n)
7904 "Open a new group based on the current article(s).
7905 This will allow you to read digests and other similar
7906 documents as newsgroups.
7907 Obeys the standard process/prefix convention."
7909 (let* ((articles (gnus-summary-work-articles n))
7910 (ogroup gnus-newsgroup-name)
7911 (params (append (gnus-info-params (gnus-get-info ogroup))
7912 (list (cons 'to-group ogroup))))
7913 article group egroup groups vgroup)
7914 (while (setq article (pop articles))
7915 (setq group (format "%s-%d" gnus-newsgroup-name article))
7916 (gnus-summary-remove-process-mark article)
7917 (when (gnus-summary-display-article article)
7920 (insert-buffer-substring gnus-original-article-buffer)
7921 ;; Remove some headers that may lead nndoc to make
7923 (message-narrow-to-head)
7924 (goto-char (point-min))
7925 (delete-matching-lines "^\\(Path\\):\\|^From ")
7928 (gnus-group-read-ephemeral-group
7929 group `(nndoc ,group (nndoc-address ,(current-buffer))
7930 (nndoc-article-type guess))
7933 ;; Make all postings to this group go to the parent group.
7934 (nconc (gnus-info-params (gnus-get-info egroup))
7936 (push egroup groups))
7937 ;; Couldn't select this doc group.
7938 (gnus-error 3 "Article couldn't be entered"))))))
7939 ;; Now we have selected all the documents.
7942 (error "None of the articles could be interpreted as documents"))
7943 ((gnus-group-read-ephemeral-group
7944 (setq vgroup (format
7945 "nnvirtual:%s-%s" gnus-newsgroup-name
7946 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
7947 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
7949 (cons (current-buffer) 'summary)))
7951 (error "Couldn't select virtual nndoc group")))))
7953 (defun gnus-summary-isearch-article (&optional regexp-p)
7954 "Do incremental search forward on the current article.
7955 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
7957 (gnus-summary-select-article)
7958 (gnus-configure-windows 'article)
7959 (gnus-eval-in-buffer-window gnus-article-buffer
7962 (isearch-forward regexp-p))))
7964 (defun gnus-summary-search-article-forward (regexp &optional backward)
7965 "Search for an article containing REGEXP forward.
7966 If BACKWARD, search backward instead."
7969 (format "Search article %s (regexp%s): "
7970 (if current-prefix-arg "backward" "forward")
7971 (if gnus-last-search-regexp
7972 (concat ", default " gnus-last-search-regexp)
7974 current-prefix-arg))
7975 (if (string-equal regexp "")
7976 (setq regexp (or gnus-last-search-regexp ""))
7977 (setq gnus-last-search-regexp regexp)
7978 (setq gnus-article-before-search gnus-current-article))
7979 ;; Intentionally set gnus-last-article.
7980 (setq gnus-last-article gnus-article-before-search)
7981 (let ((gnus-last-article gnus-last-article))
7982 (if (gnus-summary-search-article regexp backward)
7983 (gnus-summary-show-thread)
7984 (error "Search failed: \"%s\"" regexp))))
7986 (defun gnus-summary-search-article-backward (regexp)
7987 "Search for an article containing REGEXP backward."
7990 (format "Search article backward (regexp%s): "
7991 (if gnus-last-search-regexp
7992 (concat ", default " gnus-last-search-regexp)
7994 (gnus-summary-search-article-forward regexp 'backward))
7996 (defun gnus-summary-search-article (regexp &optional backward)
7997 "Search for an article containing REGEXP.
7998 Optional argument BACKWARD means do search for backward.
7999 `gnus-select-article-hook' is not called during the search."
8000 ;; We have to require this here to make sure that the following
8001 ;; dynamic binding isn't shadowed by autoloading.
8002 (require 'gnus-async)
8004 (let ((gnus-select-article-hook nil) ;Disable hook.
8005 (gnus-article-prepare-hook nil)
8006 (gnus-mark-article-hook nil) ;Inhibit marking as read.
8007 (gnus-use-article-prefetch nil)
8008 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
8009 (gnus-use-trees nil) ;Inhibit updating tree buffer.
8010 (sum (current-buffer))
8011 (gnus-display-mime-function nil)
8014 (gnus-save-hidden-threads
8015 (gnus-summary-select-article)
8016 (set-buffer gnus-article-buffer)
8017 (goto-char (window-point (get-buffer-window (current-buffer))))
8021 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
8023 (re-search-backward regexp nil t)
8024 (re-search-forward regexp nil t))
8025 ;; We found the regexp.
8030 (get-buffer-window (current-buffer))
8034 (get-buffer-window (current-buffer))
8037 (setq point (point)))
8038 ;; We didn't find it, so we go to the next article.
8041 (while (eq found 'not)
8042 (if (not (if backward (gnus-summary-find-prev)
8043 (gnus-summary-find-next)))
8044 ;; No more articles.
8046 ;; Select the next article and adjust point.
8047 (unless (gnus-summary-article-sparse-p
8048 (gnus-summary-article-number))
8050 (gnus-summary-select-article)
8051 (set-buffer gnus-article-buffer)
8053 (goto-char (if backward (point-max) (point-min))))))))
8054 (gnus-message 7 ""))
8055 ;; Return whether we found the regexp.
8056 (when (eq found 'found)
8058 (gnus-summary-show-thread)
8059 (gnus-summary-goto-subject gnus-current-article)
8060 (gnus-summary-position-point)
8063 (defun gnus-find-matching-articles (header regexp)
8064 "Return a list of all articles that match REGEXP on HEADER.
8065 This search includes all articles in the current group that Gnus has
8066 fetched headers for, whether they are displayed or not."
8067 (let ((articles nil)
8068 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
8069 (case-fold-search t))
8070 (dolist (header gnus-newsgroup-headers)
8071 (when (string-match regexp (funcall func header))
8072 (push (mail-header-number header) articles)))
8073 (nreverse articles)))
8075 (defun gnus-summary-find-matching (header regexp &optional backward unread
8076 not-case-fold not-matching)
8077 "Return a list of all articles that match REGEXP on HEADER.
8078 The search stars on the current article and goes forwards unless
8079 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
8080 If UNREAD is non-nil, only unread articles will
8081 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
8082 in the comparisons. If NOT-MATCHING, return a list of all articles that
8083 not match REGEXP on HEADER."
8084 (let ((case-fold-search (not not-case-fold))
8087 (if (eq (car header) 'extra)
8090 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
8092 (error "%s is an invalid header" header))
8093 (unless (fboundp (intern (concat "mail-header-" header)))
8094 (error "%s is not a valid header" header))
8095 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
8096 (dolist (d (if (eq backward 'all)
8098 (gnus-data-find-list
8099 (gnus-summary-article-number)
8100 (gnus-data-list backward))))
8101 (when (and (or (not unread) ; We want all articles...
8102 (gnus-data-unread-p d)) ; Or just unreads.
8103 (vectorp (gnus-data-header d)) ; It's not a pseudo.
8107 (funcall func (gnus-data-header d))))
8108 (string-match regexp
8109 (funcall func (gnus-data-header d)))))
8110 (push (gnus-data-number d) articles))) ; Success!
8111 (nreverse articles)))
8113 (defun gnus-summary-execute-command (header regexp command &optional backward)
8114 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
8115 If HEADER is an empty string (or nil), the match is done on the entire
8116 article. If BACKWARD (the prefix) is non-nil, search backward instead."
8118 (list (let ((completion-ignore-case t))
8121 (mapcar (lambda (header) (list (format "%s" header)))
8123 '("Number" "Subject" "From" "Lines" "Date"
8124 "Message-ID" "Xref" "References" "Body")
8125 gnus-extra-headers))
8126 nil 'require-match))
8127 (read-string "Regexp: ")
8128 (read-key-sequence "Command: ")
8129 current-prefix-arg))
8130 (when (equal header "Body")
8132 ;; Hidden thread subtrees must be searched as well.
8133 (gnus-summary-show-all-threads)
8134 ;; We don't want to change current point nor window configuration.
8136 (save-window-excursion
8137 (gnus-message 6 "Executing %s..." (key-description command))
8138 ;; We'd like to execute COMMAND interactively so as to give arguments.
8139 (gnus-execute header regexp
8140 `(call-interactively ',(key-binding command))
8142 (gnus-message 6 "Executing %s...done" (key-description command)))))
8144 (defun gnus-summary-beginning-of-article ()
8145 "Scroll the article back to the beginning."
8147 (gnus-summary-select-article)
8148 (gnus-configure-windows 'article)
8149 (gnus-eval-in-buffer-window gnus-article-buffer
8151 (goto-char (point-min))
8152 (when gnus-page-broken
8153 (gnus-narrow-to-page))))
8155 (defun gnus-summary-end-of-article ()
8156 "Scroll to the end of the article."
8158 (gnus-summary-select-article)
8159 (gnus-configure-windows 'article)
8160 (gnus-eval-in-buffer-window gnus-article-buffer
8162 (goto-char (point-max))
8164 (when gnus-page-broken
8165 (gnus-narrow-to-page))))
8167 (defun gnus-summary-print-truncate-and-quote (string &optional len)
8168 "Truncate to LEN and quote all \"(\"'s in STRING."
8169 (gnus-replace-in-string (if (and len (> (length string) len))
8170 (substring string 0 len)
8174 (defun gnus-summary-print-article (&optional filename n)
8175 "Generate and print a PostScript image of the N next (mail) articles.
8177 If N is negative, print the N previous articles. If N is nil and articles
8178 have been marked with the process mark, print these instead.
8180 If the optional first argument FILENAME is nil, send the image to the
8181 printer. If FILENAME is a string, save the PostScript image in a file with
8182 that name. If FILENAME is a number, prompt the user for the name of the file
8184 (interactive (list (ps-print-preprint current-prefix-arg)))
8185 (dolist (article (gnus-summary-work-articles n))
8186 (gnus-summary-select-article nil nil 'pseudo article)
8187 (gnus-eval-in-buffer-window gnus-article-buffer
8188 (gnus-print-buffer))
8189 (gnus-summary-remove-process-mark article))
8190 (ps-despool filename))
8192 (defun gnus-print-buffer ()
8193 (let ((buffer (generate-new-buffer " *print*")))
8196 (copy-to-buffer buffer (point-min) (point-max))
8198 (gnus-article-delete-invisible-text)
8199 (gnus-remove-text-with-property 'gnus-decoration)
8200 (when (gnus-visual-p 'article-highlight 'highlight)
8201 ;; Copy-to-buffer doesn't copy overlay. So redo
8203 (let ((gnus-article-buffer buffer))
8204 (gnus-article-highlight-citation t)
8205 (gnus-article-highlight-signature)))
8206 (let ((ps-left-header
8209 (gnus-summary-print-truncate-and-quote
8210 (mail-header-subject gnus-current-headers)
8213 (gnus-summary-print-truncate-and-quote
8214 (mail-header-from gnus-current-headers)
8218 "/pagenumberstring load"
8220 (mail-header-date gnus-current-headers) ")"))))
8221 (gnus-run-hooks 'gnus-ps-print-hook)
8224 (ps-spool-buffer-with-faces)
8225 (ps-spool-buffer)))))
8226 (kill-buffer buffer))))
8228 (defun gnus-summary-show-article (&optional arg)
8229 "Force redisplaying of the current article.
8230 If ARG (the prefix) is a number, show the article with the charset
8231 defined in `gnus-summary-show-article-charset-alist', or the charset
8233 If ARG (the prefix) is non-nil and not a number, show the raw article
8234 without any article massaging functions being run. Normally, the key strokes
8239 (gnus-summary-show-article t)
8240 (let ((gnus-newsgroup-charset
8241 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
8242 (mm-read-coding-system
8243 "View as charset: " ;; actually it is coding system.
8245 (set-buffer gnus-article-buffer)
8246 (mm-detect-coding-region (point) (point-max))))))
8247 (gnus-newsgroup-ignored-charsets 'gnus-all))
8248 (gnus-summary-select-article nil 'force)
8249 (let ((deps gnus-newsgroup-dependencies)
8252 (set-buffer gnus-original-article-buffer)
8254 (message-narrow-to-head)
8255 (setq head (buffer-string))
8256 (goto-char (point-min))
8257 (unless (re-search-forward "^lines:[ \t]\\([0-9]+\\)" nil t)
8258 (goto-char (point-max))
8260 (setq lines (1- (count-lines (point) (point-max))))))
8262 (insert (format "211 %d Article retrieved.\n"
8263 (cdr gnus-article-current)))
8265 (if lines (insert (format "Lines: %d\n" lines)))
8267 (let ((nntp-server-buffer (current-buffer)))
8268 (setq header (car (gnus-get-newsgroup-headers deps t))))))
8269 (gnus-data-set-header
8270 (gnus-data-find (cdr gnus-article-current))
8272 (gnus-summary-update-article-line
8273 (cdr gnus-article-current) header)
8274 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
8275 (gnus-summary-update-secondary-mark (cdr gnus-article-current))))))
8277 ;; Select the article the normal way.
8278 (gnus-summary-select-article nil 'force))
8280 ;; We have to require this here to make sure that the following
8281 ;; dynamic binding isn't shadowed by autoloading.
8282 (require 'gnus-async)
8284 ;; Bind the article treatment functions to nil.
8285 (let ((gnus-have-all-headers t)
8286 gnus-article-prepare-hook
8287 gnus-article-decode-hook
8288 gnus-display-mime-function
8290 ;; Destroy any MIME parts.
8291 (when (gnus-buffer-live-p gnus-article-buffer)
8293 (set-buffer gnus-article-buffer)
8294 (mm-destroy-parts gnus-article-mime-handles)
8295 ;; Set it to nil for safety reason.
8296 (setq gnus-article-mime-handle-alist nil)
8297 (setq gnus-article-mime-handles nil)))
8298 (gnus-summary-select-article nil 'force))))
8299 (gnus-summary-goto-subject gnus-current-article)
8300 (gnus-summary-position-point))
8302 (defun gnus-summary-show-raw-article ()
8303 "Show the raw article without any article massaging functions being run."
8305 (gnus-summary-show-article t))
8307 (defun gnus-summary-verbose-headers (&optional arg)
8308 "Toggle permanent full header display.
8309 If ARG is a positive number, turn header display on.
8310 If ARG is a negative number, turn header display off."
8312 (setq gnus-show-all-headers
8313 (cond ((or (not (numberp arg))
8315 (not gnus-show-all-headers))
8318 (gnus-summary-show-article))
8320 (defun gnus-summary-toggle-header (&optional arg)
8321 "Show the headers if they are hidden, or hide them if they are shown.
8322 If ARG is a positive number, show the entire header.
8323 If ARG is a negative number, hide the unwanted header lines."
8325 (let ((window (and (gnus-buffer-live-p gnus-article-buffer)
8326 (get-buffer-window gnus-article-buffer t))))
8328 (with-current-buffer gnus-article-buffer
8330 (article-narrow-to-head)
8331 (let* ((buffer-read-only nil)
8332 (inhibit-point-motion-hooks t)
8333 (hidden (if (numberp arg)
8335 (gnus-article-hidden-text-p 'headers)))
8337 (delete-region (point-min) (point-max))
8338 (with-current-buffer gnus-original-article-buffer
8339 (goto-char (setq s (point-min)))
8340 (setq e (if (search-forward "\n\n" nil t)
8343 (insert-buffer-substring gnus-original-article-buffer s e)
8344 (article-decode-encoded-words)
8346 (let ((gnus-treat-hide-headers nil)
8347 (gnus-treat-hide-boring-headers nil))
8348 (gnus-delete-wash-type 'headers)
8349 (gnus-treat-article 'head))
8350 (gnus-treat-article 'head))
8352 (set-window-start window (goto-char (point-min)))
8353 (setq gnus-page-broken
8354 (when gnus-break-pages
8355 (gnus-narrow-to-page)
8357 (gnus-set-mode-line 'article))))))
8359 (defun gnus-summary-show-all-headers ()
8360 "Make all header lines visible."
8362 (gnus-summary-toggle-header 1))
8364 (defun gnus-summary-caesar-message (&optional arg)
8365 "Caesar rotate the current article by 13.
8366 The numerical prefix specifies how many places to rotate each letter
8369 (gnus-summary-select-article)
8370 (let ((mail-header-separator ""))
8371 (gnus-eval-in-buffer-window gnus-article-buffer
8374 (let ((start (window-start))
8376 (message-caesar-buffer-body arg)
8377 (set-window-start (get-buffer-window (current-buffer)) start))))))
8379 (defun gnus-summary-stop-page-breaking ()
8380 "Stop page breaking in the current article."
8382 (gnus-summary-select-article)
8383 (gnus-eval-in-buffer-window gnus-article-buffer
8385 (when (gnus-visual-p 'page-marker)
8386 (let ((buffer-read-only nil))
8387 (gnus-remove-text-with-property 'gnus-prev)
8388 (gnus-remove-text-with-property 'gnus-next))
8389 (setq gnus-page-broken nil))))
8391 (defun gnus-summary-move-article (&optional n to-newsgroup
8392 select-method action)
8393 "Move the current article to a different newsgroup.
8394 If N is a positive number, move the N next articles.
8395 If N is a negative number, move the N previous articles.
8396 If N is nil and any articles have been marked with the process mark,
8397 move those articles instead.
8398 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
8399 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
8400 re-spool using this method.
8402 When called interactively with TO-NEWSGROUP being nil, the value of
8403 the variable `gnus-move-split-methods' is used for finding a default
8404 for the target newsgroup.
8406 For this function to work, both the current newsgroup and the
8407 newsgroup that you want to move to have to support the `request-move'
8408 and `request-accept' functions.
8410 ACTION can be either `move' (the default), `crosspost' or `copy'."
8413 (setq action 'move))
8414 ;; Check whether the source group supports the required functions.
8415 (cond ((and (eq action 'move)
8416 (not (gnus-check-backend-function
8417 'request-move-article gnus-newsgroup-name)))
8418 (error "The current group does not support article moving"))
8419 ((and (eq action 'crosspost)
8420 (not (gnus-check-backend-function
8421 'request-replace-article gnus-newsgroup-name)))
8422 (error "The current group does not support article editing")))
8423 (let ((articles (gnus-summary-work-articles n))
8424 (prefix (if (gnus-check-backend-function
8425 'request-move-article gnus-newsgroup-name)
8426 (gnus-group-real-prefix gnus-newsgroup-name)
8428 (names '((move "Move" "Moving")
8429 (copy "Copy" "Copying")
8430 (crosspost "Crosspost" "Crossposting")))
8431 (copy-buf (save-excursion
8432 (nnheader-set-temp-buffer " *copy article*")))
8433 art-group to-method new-xref article to-groups)
8434 (unless (assq action names)
8435 (error "Unknown action %s" action))
8436 ;; Read the newsgroup name.
8437 (when (and (not to-newsgroup)
8438 (not select-method))
8439 (if (and gnus-move-split-methods
8441 (and (memq gnus-current-article articles)
8442 (gnus-buffer-live-p gnus-original-article-buffer))))
8443 ;; When `gnus-move-split-methods' is non-nil, we have to
8444 ;; select an article to give `gnus-read-move-group-name' an
8445 ;; opportunity to suggest an appropriate default. However,
8446 ;; we needn't render or mark the article.
8447 (let ((gnus-display-mime-function nil)
8448 (gnus-article-prepare-hook nil)
8449 (gnus-mark-article-hook nil))
8450 (gnus-summary-select-article nil nil nil (car articles))))
8452 (gnus-read-move-group-name
8453 (cadr (assq action names))
8454 (symbol-value (intern (format "gnus-current-%s-group" action)))
8456 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
8457 (setq to-method (or select-method
8458 (gnus-server-to-method
8459 (gnus-group-method to-newsgroup))))
8460 ;; Check the method we are to move this article to...
8461 (unless (gnus-check-backend-function
8462 'request-accept-article (car to-method))
8463 (error "%s does not support article copying" (car to-method)))
8464 (unless (gnus-check-server to-method)
8465 (error "Can't open server %s" (car to-method)))
8466 (gnus-message 6 "%s to %s: %s..."
8467 (caddr (assq action names))
8468 (or (car select-method) to-newsgroup) articles)
8470 (setq article (pop articles))
8474 ;; Move the article.
8476 ;; Remove this article from future suppression.
8477 (gnus-dup-unsuppress-article article)
8478 (gnus-request-move-article
8479 article ; Article to move
8480 gnus-newsgroup-name ; From newsgroup
8481 (nth 1 (gnus-find-method-for-group
8482 gnus-newsgroup-name)) ; Server
8483 (list 'gnus-request-accept-article
8484 to-newsgroup (list 'quote select-method)
8485 (not articles) t) ; Accept form
8486 (not articles))) ; Only save nov last time
8487 ;; Copy the article.
8490 (set-buffer copy-buf)
8491 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
8492 (gnus-request-accept-article
8493 to-newsgroup select-method (not articles) t))))
8494 ;; Crosspost the article.
8495 ((eq action 'crosspost)
8496 (let ((xref (message-tokenize-header
8497 (mail-header-xref (gnus-summary-article-header article))
8499 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
8500 ":" (number-to-string article)))
8502 (setq xref (list (system-name))))
8505 (mapconcat 'identity
8506 (delete "Xref:" (delete new-xref xref))
8510 (set-buffer copy-buf)
8511 ;; First put the article in the destination group.
8512 (gnus-request-article-this-buffer article gnus-newsgroup-name)
8513 (when (consp (setq art-group
8514 (gnus-request-accept-article
8515 to-newsgroup select-method (not articles))))
8516 (setq new-xref (concat new-xref " " (car art-group)
8518 (number-to-string (cdr art-group))))
8519 ;; Now we have the new Xrefs header, so we insert
8520 ;; it and replace the new article.
8521 (nnheader-replace-header "Xref" new-xref)
8522 (gnus-request-replace-article
8523 (cdr art-group) to-newsgroup (current-buffer))
8527 (gnus-message 1 "Couldn't %s article %s: %s"
8528 (cadr (assq action names)) article
8529 (nnheader-get-report (car to-method))))
8530 ((eq art-group 'junk)
8531 (when (eq action 'move)
8532 (gnus-summary-mark-article article gnus-canceled-mark)
8533 (gnus-message 4 "Deleted article %s" article)))
8535 (let* ((pto-group (gnus-group-prefixed-name
8536 (car art-group) to-method))
8538 (gnus-gethash pto-group gnus-newsrc-hashtb))
8539 (info (nth 2 entry))
8540 (to-group (gnus-info-group info))
8542 ;; Update the group that has been moved to.
8544 (memq action '(move copy)))
8545 (unless (member to-group to-groups)
8546 (push to-group to-groups))
8548 (unless (memq article gnus-newsgroup-unreads)
8549 (push 'read to-marks)
8551 info (gnus-add-to-range (gnus-info-read info)
8552 (list (cdr art-group)))))
8554 ;; See whether the article is to be put in the cache.
8555 (let ((marks gnus-article-mark-lists)
8556 (to-article (cdr art-group)))
8558 ;; Enter the article into the cache in the new group,
8559 ;; if that is required.
8560 (when gnus-use-cache
8561 (gnus-cache-possibly-enter-article
8563 (memq article gnus-newsgroup-marked)
8564 (memq article gnus-newsgroup-dormant)
8565 (memq article gnus-newsgroup-unreads)))
8567 (when gnus-preserve-marks
8568 ;; Copy any marks over to the new group.
8569 (when (and (equal to-group gnus-newsgroup-name)
8570 (not (memq article gnus-newsgroup-unreads)))
8571 ;; Mark this article as read in this group.
8572 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
8573 (setcdr (gnus-active to-group) to-article)
8574 (setcdr gnus-newsgroup-active to-article))
8577 (when (eq (gnus-article-mark-to-type (cdar marks)) 'list)
8578 (when (memq article (symbol-value
8579 (intern (format "gnus-newsgroup-%s"
8581 (push (cdar marks) to-marks)
8582 ;; If the other group is the same as this group,
8583 ;; then we have to add the mark to the list.
8584 (when (equal to-group gnus-newsgroup-name)
8585 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
8588 (intern (format "gnus-newsgroup-%s"
8590 ;; Copy the marks to other group.
8591 (gnus-add-marked-articles
8592 to-group (cdar marks) (list to-article) info)))
8593 (setq marks (cdr marks)))
8595 (gnus-request-set-mark to-group (list (list (list to-article)
8600 (concat "(gnus-group-set-info '"
8601 (gnus-prin1-to-string (gnus-get-info to-group))
8604 ;; Update the Xref header in this article to point to
8605 ;; the new crossposted article we have just created.
8606 (when (eq action 'crosspost)
8608 (set-buffer copy-buf)
8609 (gnus-request-article-this-buffer article gnus-newsgroup-name)
8610 (nnheader-replace-header "Xref" new-xref)
8611 (gnus-request-replace-article
8612 article gnus-newsgroup-name (current-buffer)))))
8614 ;;;!!!Why is this necessary?
8615 (set-buffer gnus-summary-buffer)
8617 (gnus-summary-goto-subject article)
8618 (when (eq action 'move)
8619 (gnus-summary-mark-article article gnus-canceled-mark))))
8620 (gnus-summary-remove-process-mark article))
8621 ;; Re-activate all groups that have been moved to.
8623 (set-buffer gnus-group-buffer)
8624 (let ((gnus-group-marked to-groups))
8625 (gnus-group-get-new-news-this-group nil t)))
8627 (gnus-kill-buffer copy-buf)
8628 (gnus-summary-position-point)
8629 (gnus-set-mode-line 'summary)))
8631 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
8632 "Move the current article to a different newsgroup.
8633 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
8634 When called interactively, if TO-NEWSGROUP is nil, use the value of
8635 the variable `gnus-move-split-methods' for finding a default target
8637 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
8638 re-spool using this method."
8640 (gnus-summary-move-article n to-newsgroup select-method 'copy))
8642 (defun gnus-summary-crosspost-article (&optional n)
8643 "Crosspost the current article to some other group."
8645 (gnus-summary-move-article n nil nil 'crosspost))
8647 (defcustom gnus-summary-respool-default-method nil
8648 "Default method type for respooling an article.
8649 If nil, use to the current newsgroup method."
8651 :group 'gnus-summary-mail)
8653 (defun gnus-summary-respool-article (&optional n method)
8654 "Respool the current article.
8655 The article will be squeezed through the mail spooling process again,
8656 which means that it will be put in some mail newsgroup or other
8657 depending on `nnmail-split-methods'.
8658 If N is a positive number, respool the N next articles.
8659 If N is a negative number, respool the N previous articles.
8660 If N is nil and any articles have been marked with the process mark,
8661 respool those articles instead.
8663 Respooling can be done both from mail groups and \"real\" newsgroups.
8664 In the former case, the articles in question will be moved from the
8665 current group into whatever groups they are destined to. In the
8666 latter case, they will be copied into the relevant groups."
8668 (list current-prefix-arg
8669 (let* ((methods (gnus-methods-using 'respool))
8671 (symbol-name (or gnus-summary-respool-default-method
8672 (car (gnus-find-method-for-group
8673 gnus-newsgroup-name)))))
8675 (gnus-completing-read-with-default
8676 methname "What backend do you want to use when respooling?"
8677 methods nil t nil 'gnus-mail-method-history))
8680 ((zerop (length (setq ms (gnus-servers-using-backend
8682 (list (intern method) ""))
8686 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
8687 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
8690 (error "No method given for respooling"))
8691 (if (assoc (symbol-name
8692 (car (gnus-find-method-for-group gnus-newsgroup-name)))
8693 (gnus-methods-using 'respool))
8694 (gnus-summary-move-article n nil method)
8695 (gnus-summary-copy-article n nil method)))
8697 (defun gnus-summary-import-article (file &optional edit)
8698 "Import an arbitrary file into a mail newsgroup."
8699 (interactive "fImport file: \nP")
8700 (let ((group gnus-newsgroup-name)
8701 (now (current-time))
8702 atts lines group-art)
8703 (unless (gnus-check-backend-function 'request-accept-article group)
8704 (error "%s does not support article importing" group))
8705 (or (file-readable-p file)
8706 (not (file-regular-p file))
8707 (error "Can't read %s" file))
8709 (set-buffer (gnus-get-buffer-create " *import file*"))
8711 (nnheader-insert-file-contents file)
8712 (goto-char (point-min))
8713 (if (nnheader-article-p)
8715 (goto-char (point-min))
8716 (search-forward "\n\n" nil t)
8717 (narrow-to-region (point-min) (1- (point)))
8718 (goto-char (point-min))
8719 (unless (re-search-forward "^date:" nil t)
8720 (goto-char (point-max))
8721 (insert "Date: " (message-make-date (nth 5 atts)) "\n")))
8722 ;; This doesn't look like an article, so we fudge some headers.
8723 (setq atts (file-attributes file)
8724 lines (count-lines (point-min) (point-max)))
8725 (insert "From: " (read-string "From: ") "\n"
8726 "Subject: " (read-string "Subject: ") "\n"
8727 "Date: " (message-make-date (nth 5 atts)) "\n"
8728 "Message-ID: " (message-make-message-id) "\n"
8729 "Lines: " (int-to-string lines) "\n"
8730 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
8731 (setq group-art (gnus-request-accept-article group nil t))
8732 (kill-buffer (current-buffer)))
8733 (setq gnus-newsgroup-active (gnus-activate-group group))
8735 (gnus-summary-goto-article (cdr group-art) nil t)
8737 (gnus-summary-edit-article))))
8739 (defun gnus-summary-create-article ()
8740 "Create an article in a mail newsgroup."
8742 (let ((group gnus-newsgroup-name)
8743 (now (current-time))
8745 (unless (gnus-check-backend-function 'request-accept-article group)
8746 (error "%s does not support article importing" group))
8748 (set-buffer (gnus-get-buffer-create " *import file*"))
8750 (goto-char (point-min))
8751 ;; This doesn't look like an article, so we fudge some headers.
8752 (insert "From: " (read-string "From: ") "\n"
8753 "Subject: " (read-string "Subject: ") "\n"
8754 "Date: " (message-make-date now) "\n"
8755 "Message-ID: " (message-make-message-id) "\n")
8756 (setq group-art (gnus-request-accept-article group nil t))
8757 (kill-buffer (current-buffer)))
8758 (setq gnus-newsgroup-active (gnus-activate-group group))
8760 (gnus-summary-goto-article (cdr group-art) nil t)
8761 (gnus-summary-edit-article)))
8763 (defun gnus-summary-article-posted-p ()
8764 "Say whether the current (mail) article is available from news as well.
8765 This will be the case if the article has both been mailed and posted."
8767 (let ((id (mail-header-references (gnus-summary-article-header)))
8768 (gnus-override-method (car (gnus-refer-article-methods))))
8769 (if (gnus-request-head id "")
8770 (gnus-message 2 "The current message was found on %s"
8771 gnus-override-method)
8772 (gnus-message 2 "The current message couldn't be found on %s"
8773 gnus-override-method)
8776 (defun gnus-summary-expire-articles (&optional now)
8777 "Expire all articles that are marked as expirable in the current group."
8779 (when (gnus-check-backend-function
8780 'request-expire-articles gnus-newsgroup-name)
8781 ;; This backend supports expiry.
8782 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
8783 (expirable (if total
8785 ;; We need to update the info for
8786 ;; this group for `gnus-list-of-read-articles'
8787 ;; to give us the right answer.
8788 (gnus-run-hooks 'gnus-exit-group-hook)
8789 (gnus-summary-update-info)
8790 (gnus-list-of-read-articles gnus-newsgroup-name))
8791 (setq gnus-newsgroup-expirable
8792 (sort gnus-newsgroup-expirable '<))))
8793 (expiry-wait (if now 'immediate
8794 (gnus-group-find-parameter
8795 gnus-newsgroup-name 'expiry-wait)))
8796 (nnmail-expiry-target
8797 (or (gnus-group-find-parameter gnus-newsgroup-name 'expiry-target)
8798 nnmail-expiry-target))
8801 ;; There are expirable articles in this group, so we run them
8802 ;; through the expiry process.
8803 (gnus-message 6 "Expiring articles...")
8804 (unless (gnus-check-group gnus-newsgroup-name)
8805 (error "Can't open server for %s" gnus-newsgroup-name))
8806 ;; The list of articles that weren't expired is returned.
8809 (let ((nnmail-expiry-wait-function nil)
8810 (nnmail-expiry-wait expiry-wait))
8811 (setq es (gnus-request-expire-articles
8812 expirable gnus-newsgroup-name)))
8813 (setq es (gnus-request-expire-articles
8814 expirable gnus-newsgroup-name)))
8816 (setq gnus-newsgroup-expirable es))
8817 ;; We go through the old list of expirable, and mark all
8818 ;; really expired articles as nonexistent.
8819 (unless (eq es expirable) ;If nothing was expired, we don't mark.
8820 (let ((gnus-use-cache nil))
8821 (dolist (article expirable)
8822 (when (and (not (memq article es))
8823 (gnus-data-find article))
8824 (gnus-summary-mark-article article gnus-canceled-mark))))))
8825 (gnus-message 6 "Expiring articles...done")))))
8827 (defun gnus-summary-expire-articles-now ()
8828 "Expunge all expirable articles in the current group.
8829 This means that *all* articles that are marked as expirable will be
8830 deleted forever, right now."
8832 (or gnus-expert-user
8834 "Are you really, really, really sure you want to delete all these messages? ")
8836 (gnus-summary-expire-articles t))
8838 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
8839 (defun gnus-summary-delete-article (&optional n)
8840 "Delete the N next (mail) articles.
8841 This command actually deletes articles. This is not a marking
8842 command. The article will disappear forever from your life, never to
8844 If N is negative, delete backwards.
8845 If N is nil and articles have been marked with the process mark,
8846 delete these instead."
8848 (unless (gnus-check-backend-function 'request-expire-articles
8849 gnus-newsgroup-name)
8850 (error "The current newsgroup does not support article deletion"))
8851 (unless (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
8852 (error "Couldn't open server"))
8853 ;; Compute the list of articles to delete.
8854 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
8855 (nnmail-expiry-target 'delete)
8857 (if (and gnus-novice-user
8858 (not (gnus-yes-or-no-p
8859 (format "Do you really want to delete %s forever? "
8860 (if (> (length articles) 1)
8861 (format "these %s articles" (length articles))
8864 ;; Delete the articles.
8865 (setq not-deleted (gnus-request-expire-articles
8866 articles gnus-newsgroup-name 'force))
8868 (gnus-summary-remove-process-mark (car articles))
8869 ;; The backend might not have been able to delete the article
8871 (unless (memq (car articles) not-deleted)
8872 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
8873 (setq articles (cdr articles)))
8875 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
8876 (gnus-summary-position-point)
8877 (gnus-set-mode-line 'summary)
8880 (defun gnus-summary-edit-article (&optional arg)
8881 "Edit the current article.
8882 This will have permanent effect only in mail groups.
8883 If ARG is nil, edit the decoded articles.
8884 If ARG is 1, edit the raw articles.
8885 If ARG is 2, edit the raw articles even in read-only groups.
8886 If ARG is 3, edit the articles with the current handles.
8887 Otherwise, allow editing of articles even in read-only
8890 (let (force raw current-handles)
8899 (setq current-handles
8900 (and (gnus-buffer-live-p gnus-article-buffer)
8901 (with-current-buffer gnus-article-buffer
8903 gnus-article-mime-handles
8904 (setq gnus-article-mime-handles nil))))))
8907 (when (and raw (not force) (equal gnus-newsgroup-name "nndraft:drafts"))
8908 (error "Can't edit the raw article in group nndraft:drafts"))
8910 (set-buffer gnus-summary-buffer)
8911 (let ((mail-parse-charset gnus-newsgroup-charset)
8912 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
8913 (gnus-set-global-variables)
8914 (when (and (not force)
8915 (gnus-group-read-only-p))
8916 (error "The current newsgroup does not support article editing"))
8917 (gnus-summary-show-article t)
8918 (when (and (not raw) (gnus-buffer-live-p gnus-article-buffer))
8919 (with-current-buffer gnus-article-buffer
8920 (mm-enable-multibyte)))
8921 (if (equal gnus-newsgroup-name "nndraft:drafts")
8923 (gnus-article-edit-article
8926 (let ((mbl mml-buffer-list))
8927 (setq mml-buffer-list nil)
8928 (mime-to-mml ,'current-handles)
8929 (let ((mbl1 mml-buffer-list))
8930 (setq mml-buffer-list mbl)
8931 (set (make-local-variable 'mml-buffer-list) mbl1))
8932 (make-local-hook 'kill-buffer-hook)
8933 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t))))
8934 `(lambda (no-highlight)
8935 (let ((mail-parse-charset ',gnus-newsgroup-charset)
8936 (message-options message-options)
8937 (message-options-set-recipient)
8938 (mail-parse-ignored-charsets
8939 ',gnus-newsgroup-ignored-charsets))
8940 ,(if (not raw) '(progn
8942 (mml-destroy-buffers)
8943 (remove-hook 'kill-buffer-hook
8944 'mml-destroy-buffers t)
8945 (kill-local-variable 'mml-buffer-list)))
8946 (gnus-summary-edit-article-done
8947 ,(or (mail-header-references gnus-current-headers) "")
8948 ,(gnus-group-read-only-p)
8949 ,gnus-summary-buffer no-highlight))))))))
8951 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
8953 (defun gnus-summary-edit-article-done (&optional references read-only buffer
8955 "Make edits to the current article permanent."
8958 ;; The buffer restriction contains the entire article if it exists.
8959 (when (article-goto-body)
8960 (let ((lines (count-lines (point) (point-max)))
8961 (length (- (point-max) (point)))
8962 (case-fold-search t)
8963 (body (copy-marker (point))))
8964 (goto-char (point-min))
8965 (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t)
8966 (delete-region (match-beginning 1) (match-end 1))
8967 (insert (number-to-string length)))
8968 (goto-char (point-min))
8969 (when (re-search-forward
8970 "^x-content-length:[ \t]\\([0-9]+\\)" body t)
8971 (delete-region (match-beginning 1) (match-end 1))
8972 (insert (number-to-string length)))
8973 (goto-char (point-min))
8974 (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t)
8975 (delete-region (match-beginning 1) (match-end 1))
8976 (insert (number-to-string lines))))))
8977 ;; Replace the article.
8978 (let ((buf (current-buffer)))
8980 (insert-buffer-substring buf)
8982 (if (and (not read-only)
8983 (not (gnus-request-replace-article
8984 (cdr gnus-article-current) (car gnus-article-current)
8985 (current-buffer) t)))
8986 (error "Couldn't replace article")
8987 ;; Update the summary buffer.
8989 (equal (message-tokenize-header references " ")
8990 (message-tokenize-header
8991 (or (message-fetch-field "references") "") " ")))
8992 ;; We only have to update this line.
8995 (message-narrow-to-head)
8996 (let ((head (buffer-string))
8999 (insert (format "211 %d Article retrieved.\n"
9000 (cdr gnus-article-current)))
9003 (let ((nntp-server-buffer (current-buffer)))
9004 (setq header (car (gnus-get-newsgroup-headers
9007 (set-buffer gnus-summary-buffer)
9008 (gnus-data-set-header
9009 (gnus-data-find (cdr gnus-article-current))
9011 (gnus-summary-update-article-line
9012 (cdr gnus-article-current) header)
9013 (if (gnus-summary-goto-subject
9014 (cdr gnus-article-current) nil t)
9015 (gnus-summary-update-secondary-mark
9016 (cdr gnus-article-current))))))))
9018 (set-buffer (or buffer gnus-summary-buffer))
9019 (gnus-summary-update-article (cdr gnus-article-current))
9020 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
9021 (gnus-summary-update-secondary-mark
9022 (cdr gnus-article-current))))
9023 ;; Prettify the article buffer again.
9024 (unless no-highlight
9026 (set-buffer gnus-article-buffer)
9027 ;;;!!! Fix this -- article should be rehighlighted.
9028 ;;;(gnus-run-hooks 'gnus-article-display-hook)
9029 (set-buffer gnus-original-article-buffer)
9030 (gnus-request-article
9031 (cdr gnus-article-current)
9032 (car gnus-article-current) (current-buffer))))
9033 ;; Prettify the summary buffer line.
9034 (when (gnus-visual-p 'summary-highlight 'highlight)
9035 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
9037 (defun gnus-summary-edit-wash (key)
9038 "Perform editing command KEY in the article buffer."
9042 (message "%s" (concat (this-command-keys) "- "))
9045 (gnus-summary-edit-article)
9046 (execute-kbd-macro (concat (this-command-keys) key))
9047 (gnus-article-edit-done))
9051 (defun gnus-summary-respool-query (&optional silent trace)
9052 "Query where the respool algorithm would put this article."
9054 (let (gnus-mark-article-hook)
9055 (gnus-summary-select-article)
9057 (set-buffer gnus-original-article-buffer)
9059 (message-narrow-to-head)
9060 (let ((groups (nnmail-article-group 'identity trace)))
9063 (message "This message would go to %s"
9064 (mapconcat 'car groups ", "))
9065 (message "This message would go to no groups"))
9068 (defun gnus-summary-respool-trace ()
9069 "Trace where the respool algorithm would put this article.
9070 Display a buffer showing all fancy splitting patterns which matched."
9072 (gnus-summary-respool-query nil t))
9074 ;; Summary marking commands.
9076 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
9077 "Mark articles which has the same subject as read, and then select the next.
9078 If UNMARK is positive, remove any kind of mark.
9079 If UNMARK is negative, tick articles."
9082 (setq unmark (prefix-numeric-value unmark)))
9084 (gnus-summary-mark-same-subject
9085 (gnus-summary-article-subject) unmark)))
9086 ;; Select next unread article. If auto-select-same mode, should
9087 ;; select the first unread article.
9088 (gnus-summary-next-article t (and gnus-auto-select-same
9089 (gnus-summary-article-subject)))
9090 (gnus-message 7 "%d article%s marked as %s"
9091 count (if (= count 1) " is" "s are")
9092 (if unmark "unread" "read"))))
9094 (defun gnus-summary-kill-same-subject (&optional unmark)
9095 "Mark articles which has the same subject as read.
9096 If UNMARK is positive, remove any kind of mark.
9097 If UNMARK is negative, tick articles."
9100 (setq unmark (prefix-numeric-value unmark)))
9102 (gnus-summary-mark-same-subject
9103 (gnus-summary-article-subject) unmark)))
9104 ;; If marked as read, go to next unread subject.
9106 ;; Go to next unread subject.
9107 (gnus-summary-next-subject 1 t))
9108 (gnus-message 7 "%d articles are marked as %s"
9109 count (if unmark "unread" "read"))))
9111 (defun gnus-summary-mark-same-subject (subject &optional unmark)
9112 "Mark articles with same SUBJECT as read, and return marked number.
9113 If optional argument UNMARK is positive, remove any kinds of marks.
9114 If optional argument UNMARK is negative, mark articles as unread instead."
9118 ((null unmark) ; Mark as read.
9121 (gnus-summary-mark-article-as-read gnus-killed-mark)
9122 (gnus-summary-show-thread) t)
9123 (gnus-summary-find-subject subject))
9124 (setq count (1+ count))))
9125 ((> unmark 0) ; Tick.
9128 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
9129 (gnus-summary-show-thread) t)
9130 (gnus-summary-find-subject subject))
9131 (setq count (1+ count))))
9132 (t ; Mark as unread.
9135 (gnus-summary-mark-article-as-unread gnus-unread-mark)
9136 (gnus-summary-show-thread) t)
9137 (gnus-summary-find-subject subject))
9138 (setq count (1+ count)))))
9139 (gnus-set-mode-line 'summary)
9140 ;; Return the number of marked articles.
9143 (defun gnus-summary-mark-as-processable (n &optional unmark)
9144 "Set the process mark on the next N articles.
9145 If N is negative, mark backward instead. If UNMARK is non-nil, remove
9146 the process mark instead. The difference between N and the actual
9147 number of articles marked is returned."
9149 (if (and (null n) (gnus-region-active-p))
9150 (gnus-uu-mark-region (region-beginning) (region-end) unmark)
9151 (setq n (prefix-numeric-value n))
9152 (let ((backward (< n 0))
9157 (gnus-summary-remove-process-mark
9158 (gnus-summary-article-number))
9159 (gnus-summary-set-process-mark (gnus-summary-article-number)))
9160 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
9163 (gnus-message 7 "No more articles"))
9164 (gnus-summary-recenter)
9165 (gnus-summary-position-point)
9168 (defun gnus-summary-unmark-as-processable (n)
9169 "Remove the process mark from the next N articles.
9170 If N is negative, unmark backward instead. The difference between N and
9171 the actual number of articles unmarked is returned."
9173 (gnus-summary-mark-as-processable n t))
9175 (defun gnus-summary-unmark-all-processable ()
9176 "Remove the process mark from all articles."
9179 (while gnus-newsgroup-processable
9180 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
9181 (gnus-summary-position-point))
9183 (defun gnus-summary-add-mark (article type)
9184 "Mark ARTICLE with a mark of TYPE."
9185 (let ((vtype (car (assq type gnus-article-mark-lists)))
9188 (error "No such mark type: %s" type)
9189 (setq var (intern (format "gnus-newsgroup-%s" type)))
9190 (set var (cons article (symbol-value var)))
9191 (if (memq type '(processable cached replied forwarded recent saved))
9192 (gnus-summary-update-secondary-mark article)
9193 ;;; !!! This is bogus. We should find out what primary
9194 ;;; !!! mark we want to set.
9195 (gnus-summary-update-mark gnus-del-mark 'unread)))))
9197 (defun gnus-summary-mark-as-expirable (n)
9198 "Mark N articles forward as expirable.
9199 If N is negative, mark backward instead. The difference between N and
9200 the actual number of articles marked is returned."
9202 (gnus-summary-mark-forward n gnus-expirable-mark))
9204 (defun gnus-summary-mark-as-spam (n)
9205 "Mark N articles forward as spam.
9206 If N is negative, mark backward instead. The difference between N and
9207 the actual number of articles marked is returned."
9209 (gnus-summary-mark-forward n gnus-spam-mark))
9211 (defun gnus-summary-mark-article-as-replied (article)
9212 "Mark ARTICLE as replied to and update the summary line.
9213 ARTICLE can also be a list of articles."
9214 (interactive (list (gnus-summary-article-number)))
9215 (let ((articles (if (listp article) article (list article))))
9216 (dolist (article articles)
9217 (push article gnus-newsgroup-replied)
9218 (let ((buffer-read-only nil))
9219 (when (gnus-summary-goto-subject article nil t)
9220 (gnus-summary-update-secondary-mark article))))))
9222 (defun gnus-summary-mark-article-as-forwarded (article)
9223 "Mark ARTICLE as forwarded and update the summary line.
9224 ARTICLE can also be a list of articles."
9225 (let ((articles (if (listp article) article (list article))))
9226 (dolist (article articles)
9227 (push article gnus-newsgroup-forwarded)
9228 (let ((buffer-read-only nil))
9229 (when (gnus-summary-goto-subject article nil t)
9230 (gnus-summary-update-secondary-mark article))))))
9232 (defun gnus-summary-set-bookmark (article)
9233 "Set a bookmark in current article."
9234 (interactive (list (gnus-summary-article-number)))
9235 (when (or (not (get-buffer gnus-article-buffer))
9236 (not gnus-current-article)
9237 (not gnus-article-current)
9238 (not (equal gnus-newsgroup-name (car gnus-article-current))))
9239 (error "No current article selected"))
9240 ;; Remove old bookmark, if one exists.
9241 (let ((old (assq article gnus-newsgroup-bookmarks)))
9243 (setq gnus-newsgroup-bookmarks
9244 (delq old gnus-newsgroup-bookmarks))))
9245 ;; Set the new bookmark, which is on the form
9246 ;; (article-number . line-number-in-body).
9250 (set-buffer gnus-article-buffer)
9254 (goto-char (point-min))
9255 (search-forward "\n\n" nil t)
9258 gnus-newsgroup-bookmarks)
9259 (gnus-message 6 "A bookmark has been added to the current article."))
9261 (defun gnus-summary-remove-bookmark (article)
9262 "Remove the bookmark from the current article."
9263 (interactive (list (gnus-summary-article-number)))
9264 ;; Remove old bookmark, if one exists.
9265 (let ((old (assq article gnus-newsgroup-bookmarks)))
9268 (setq gnus-newsgroup-bookmarks
9269 (delq old gnus-newsgroup-bookmarks))
9270 (gnus-message 6 "Removed bookmark."))
9271 (gnus-message 6 "No bookmark in current article."))))
9273 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
9274 (defun gnus-summary-mark-as-dormant (n)
9275 "Mark N articles forward as dormant.
9276 If N is negative, mark backward instead. The difference between N and
9277 the actual number of articles marked is returned."
9279 (gnus-summary-mark-forward n gnus-dormant-mark))
9281 (defun gnus-summary-set-process-mark (article)
9282 "Set the process mark on ARTICLE and update the summary line."
9283 (setq gnus-newsgroup-processable
9285 (delq article gnus-newsgroup-processable)))
9286 (when (gnus-summary-goto-subject article)
9287 (gnus-summary-show-thread)
9288 (gnus-summary-goto-subject article)
9289 (gnus-summary-update-secondary-mark article)))
9291 (defun gnus-summary-remove-process-mark (article)
9292 "Remove the process mark from ARTICLE and update the summary line."
9293 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
9294 (when (gnus-summary-goto-subject article)
9295 (gnus-summary-show-thread)
9296 (gnus-summary-goto-subject article)
9297 (gnus-summary-update-secondary-mark article)))
9299 (defun gnus-summary-set-saved-mark (article)
9300 "Set the process mark on ARTICLE and update the summary line."
9301 (push article gnus-newsgroup-saved)
9302 (when (gnus-summary-goto-subject article)
9303 (gnus-summary-update-secondary-mark article)))
9305 (defun gnus-summary-mark-forward (n &optional mark no-expire)
9306 "Mark N articles as read forwards.
9307 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
9308 The difference between N and the actual number of articles marked is
9310 Iff NO-EXPIRE, auto-expiry will be inhibited."
9312 (gnus-summary-show-thread)
9313 (let ((backward (< n 0))
9314 (gnus-summary-goto-unread
9315 (and gnus-summary-goto-unread
9316 (not (eq gnus-summary-goto-unread 'never))
9317 (not (memq mark (list gnus-unread-mark
9318 gnus-ticked-mark gnus-dormant-mark)))))
9320 (mark (or mark gnus-del-mark)))
9322 (gnus-summary-mark-article nil mark no-expire)
9323 (zerop (gnus-summary-next-subject
9325 (and gnus-summary-goto-unread
9326 (not (eq gnus-summary-goto-unread 'never)))
9330 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
9331 (gnus-summary-recenter)
9332 (gnus-summary-position-point)
9333 (gnus-set-mode-line 'summary)
9336 (defun gnus-summary-mark-article-as-read (mark)
9337 "Mark the current article quickly as read with MARK."
9338 (let ((article (gnus-summary-article-number)))
9339 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
9340 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9341 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
9342 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9343 (push (cons article mark) gnus-newsgroup-reads)
9344 ;; Possibly remove from cache, if that is used.
9345 (when gnus-use-cache
9346 (gnus-cache-enter-remove-article article))
9347 ;; Allow the backend to change the mark.
9348 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9349 ;; Check for auto-expiry.
9350 (when (and gnus-newsgroup-auto-expire
9351 (memq mark gnus-auto-expirable-marks))
9352 (setq mark gnus-expirable-mark)
9353 ;; Let the backend know about the mark change.
9354 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9355 (push article gnus-newsgroup-expirable))
9356 ;; Set the mark in the buffer.
9357 (gnus-summary-update-mark mark 'unread)
9360 (defun gnus-summary-mark-article-as-unread (mark)
9361 "Mark the current article quickly as unread with MARK."
9362 (let* ((article (gnus-summary-article-number))
9363 (old-mark (gnus-summary-article-mark article)))
9364 ;; Allow the backend to change the mark.
9365 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9366 (if (eq mark old-mark)
9370 (gnus-error 1 "Can't mark negative article numbers")
9372 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9373 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
9374 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9375 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
9376 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
9377 (cond ((= mark gnus-ticked-mark)
9378 (setq gnus-newsgroup-marked
9379 (gnus-add-to-sorted-list gnus-newsgroup-marked
9381 ((= mark gnus-spam-mark)
9382 (setq gnus-newsgroup-spam-marked
9383 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
9385 ((= mark gnus-dormant-mark)
9386 (setq gnus-newsgroup-dormant
9387 (gnus-add-to-sorted-list gnus-newsgroup-dormant
9390 (setq gnus-newsgroup-unreads
9391 (gnus-add-to-sorted-list gnus-newsgroup-unreads
9393 (gnus-pull article gnus-newsgroup-reads)
9395 ;; See whether the article is to be put in the cache.
9397 (vectorp (gnus-summary-article-header article))
9399 (gnus-cache-possibly-enter-article
9400 gnus-newsgroup-name article
9401 (= mark gnus-ticked-mark)
9402 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
9405 (gnus-summary-update-mark mark 'unread)
9408 (defun gnus-summary-mark-article (&optional article mark no-expire)
9409 "Mark ARTICLE with MARK. MARK can be any character.
9410 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
9411 `??' (dormant) and `?E' (expirable).
9412 If MARK is nil, then the default character `?r' is used.
9413 If ARTICLE is nil, then the article on the current line will be
9415 Iff NO-EXPIRE, auto-expiry will be inhibited."
9416 ;; The mark might be a string.
9417 (when (stringp mark)
9418 (setq mark (aref mark 0)))
9419 ;; If no mark is given, then we check auto-expiring.
9421 (setq mark gnus-del-mark))
9422 (when (and (not no-expire)
9423 gnus-newsgroup-auto-expire
9424 (memq mark gnus-auto-expirable-marks))
9425 (setq mark gnus-expirable-mark))
9426 (let ((article (or article (gnus-summary-article-number)))
9427 (old-mark (gnus-summary-article-mark article)))
9428 ;; Allow the backend to change the mark.
9429 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9430 (if (eq mark old-mark)
9433 (error "No article on current line"))
9434 (if (not (if (or (= mark gnus-unread-mark)
9435 (= mark gnus-ticked-mark)
9436 (= mark gnus-spam-mark)
9437 (= mark gnus-dormant-mark))
9438 (gnus-mark-article-as-unread article mark)
9439 (gnus-mark-article-as-read article mark)))
9441 ;; See whether the article is to be put in the cache.
9443 (not (= mark gnus-canceled-mark))
9444 (vectorp (gnus-summary-article-header article))
9446 (gnus-cache-possibly-enter-article
9447 gnus-newsgroup-name article
9448 (= mark gnus-ticked-mark)
9449 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
9451 (when (gnus-summary-goto-subject article nil t)
9452 (let ((buffer-read-only nil))
9453 (gnus-summary-show-thread)
9455 (gnus-summary-update-mark mark 'unread)
9458 (defun gnus-summary-update-secondary-mark (article)
9459 "Update the secondary (read, process, cache) mark."
9460 (gnus-summary-update-mark
9461 (cond ((memq article gnus-newsgroup-processable)
9463 ((memq article gnus-newsgroup-cached)
9465 ((memq article gnus-newsgroup-replied)
9467 ((memq article gnus-newsgroup-forwarded)
9468 gnus-forwarded-mark)
9469 ((memq article gnus-newsgroup-saved)
9471 ((memq article gnus-newsgroup-recent)
9473 ((memq article gnus-newsgroup-unseen)
9477 (when (gnus-visual-p 'summary-highlight 'highlight)
9478 (gnus-run-hooks 'gnus-summary-update-hook))
9481 (defun gnus-summary-update-mark (mark type)
9482 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
9483 (buffer-read-only nil))
9484 (re-search-backward "[\n\r]" (gnus-point-at-bol) 'move-to-limit)
9486 (when (looking-at "\r")
9488 (when (<= (+ forward (point)) (point-max))
9489 ;; Go to the right position on the line.
9490 (goto-char (+ forward (point)))
9491 ;; Replace the old mark with the new mark.
9492 (subst-char-in-region (point) (1+ (point)) (char-after) mark)
9493 ;; Optionally update the marks by some user rule.
9494 (when (eq type 'unread)
9496 (gnus-data-find (gnus-summary-article-number)) mark)
9497 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
9499 (defun gnus-mark-article-as-read (article &optional mark)
9500 "Enter ARTICLE in the pertinent lists and remove it from others."
9501 ;; Make the article expirable.
9502 (let ((mark (or mark gnus-del-mark)))
9503 (setq gnus-newsgroup-expirable
9504 (if (= mark gnus-expirable-mark)
9505 (gnus-add-to-sorted-list gnus-newsgroup-expirable article)
9506 (delq article gnus-newsgroup-expirable)))
9507 ;; Remove from unread and marked lists.
9508 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
9509 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9510 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
9511 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9512 (push (cons article mark) gnus-newsgroup-reads)
9513 ;; Possibly remove from cache, if that is used.
9514 (when gnus-use-cache
9515 (gnus-cache-enter-remove-article article))
9518 (defun gnus-mark-article-as-unread (article &optional mark)
9519 "Enter ARTICLE in the pertinent lists and remove it from others."
9520 (let ((mark (or mark gnus-ticked-mark)))
9523 (gnus-error 1 "Can't mark negative article numbers")
9525 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
9526 gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked)
9527 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
9528 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
9529 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
9531 ;; Unsuppress duplicates?
9532 (when gnus-suppress-duplicates
9533 (gnus-dup-unsuppress-article article))
9535 (cond ((= mark gnus-ticked-mark)
9536 (setq gnus-newsgroup-marked
9537 (gnus-add-to-sorted-list gnus-newsgroup-marked article)))
9538 ((= mark gnus-spam-mark)
9539 (setq gnus-newsgroup-spam-marked
9540 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked article)))
9541 ((= mark gnus-dormant-mark)
9542 (setq gnus-newsgroup-dormant
9543 (gnus-add-to-sorted-list gnus-newsgroup-dormant article)))
9545 (setq gnus-newsgroup-unreads
9546 (gnus-add-to-sorted-list gnus-newsgroup-unreads article))))
9547 (gnus-pull article gnus-newsgroup-reads)
9550 (defalias 'gnus-summary-mark-as-unread-forward
9551 'gnus-summary-tick-article-forward)
9552 (make-obsolete 'gnus-summary-mark-as-unread-forward
9553 'gnus-summary-tick-article-forward)
9554 (defun gnus-summary-tick-article-forward (n)
9555 "Tick N articles forwards.
9556 If N is negative, tick backwards instead.
9557 The difference between N and the number of articles ticked is returned."
9559 (gnus-summary-mark-forward n gnus-ticked-mark))
9561 (defalias 'gnus-summary-mark-as-unread-backward
9562 'gnus-summary-tick-article-backward)
9563 (make-obsolete 'gnus-summary-mark-as-unread-backward
9564 'gnus-summary-tick-article-backward)
9565 (defun gnus-summary-tick-article-backward (n)
9566 "Tick N articles backwards.
9567 The difference between N and the number of articles ticked is returned."
9569 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
9571 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
9572 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
9573 (defun gnus-summary-tick-article (&optional article clear-mark)
9574 "Mark current article as unread.
9575 Optional 1st argument ARTICLE specifies article number to be marked as unread.
9576 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
9578 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
9581 (defun gnus-summary-mark-as-read-forward (n)
9582 "Mark N articles as read forwards.
9583 If N is negative, mark backwards instead.
9584 The difference between N and the actual number of articles marked is
9587 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
9589 (defun gnus-summary-mark-as-read-backward (n)
9590 "Mark the N articles as read backwards.
9591 The difference between N and the actual number of articles marked is
9594 (gnus-summary-mark-forward
9595 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
9597 (defun gnus-summary-mark-as-read (&optional article mark)
9598 "Mark current article as read.
9599 ARTICLE specifies the article to be marked as read.
9600 MARK specifies a string to be inserted at the beginning of the line."
9601 (gnus-summary-mark-article article mark))
9603 (defun gnus-summary-clear-mark-forward (n)
9604 "Clear marks from N articles forward.
9605 If N is negative, clear backward instead.
9606 The difference between N and the number of marks cleared is returned."
9608 (gnus-summary-mark-forward n gnus-unread-mark))
9610 (defun gnus-summary-clear-mark-backward (n)
9611 "Clear marks from N articles backward.
9612 The difference between N and the number of marks cleared is returned."
9614 (gnus-summary-mark-forward (- n) gnus-unread-mark))
9616 (defun gnus-summary-mark-unread-as-read ()
9617 "Intended to be used by `gnus-summary-mark-article-hook'."
9618 (when (memq gnus-current-article gnus-newsgroup-unreads)
9619 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
9621 (defun gnus-summary-mark-read-and-unread-as-read ()
9622 "Intended to be used by `gnus-summary-mark-article-hook'."
9623 (let ((mark (gnus-summary-article-mark)))
9624 (when (or (gnus-unread-mark-p mark)
9625 (gnus-read-mark-p mark))
9626 (gnus-summary-mark-article gnus-current-article gnus-read-mark))))
9628 (defun gnus-summary-mark-unread-as-ticked ()
9629 "Intended to be used by `gnus-summary-mark-article-hook'."
9630 (when (memq gnus-current-article gnus-newsgroup-unreads)
9631 (gnus-summary-mark-article gnus-current-article gnus-ticked-mark)))
9633 (defun gnus-summary-mark-region-as-read (point mark all)
9634 "Mark all unread articles between point and mark as read.
9635 If given a prefix, mark all articles between point and mark as read,
9636 even ticked and dormant ones."
9637 (interactive "r\nP")
9646 (memq (setq article (gnus-summary-article-number))
9647 gnus-newsgroup-unreads))
9648 (gnus-summary-mark-article article gnus-del-mark))
9650 (gnus-summary-find-next))))))
9652 (defun gnus-summary-mark-below (score mark)
9653 "Mark articles with score less than SCORE with MARK."
9654 (interactive "P\ncMark: ")
9655 (setq score (if score
9656 (prefix-numeric-value score)
9657 (or gnus-summary-default-score 0)))
9659 (set-buffer gnus-summary-buffer)
9660 (goto-char (point-min))
9663 (and (< (gnus-summary-article-score) score)
9664 (gnus-summary-mark-article nil mark))
9665 (gnus-summary-find-next)))))
9667 (defun gnus-summary-kill-below (&optional score)
9668 "Mark articles with score below SCORE as read."
9670 (gnus-summary-mark-below score gnus-killed-mark))
9672 (defun gnus-summary-clear-above (&optional score)
9673 "Clear all marks from articles with score above SCORE."
9675 (gnus-summary-mark-above score gnus-unread-mark))
9677 (defun gnus-summary-tick-above (&optional score)
9678 "Tick all articles with score above SCORE."
9680 (gnus-summary-mark-above score gnus-ticked-mark))
9682 (defun gnus-summary-mark-above (score mark)
9683 "Mark articles with score over SCORE with MARK."
9684 (interactive "P\ncMark: ")
9685 (setq score (if score
9686 (prefix-numeric-value score)
9687 (or gnus-summary-default-score 0)))
9689 (set-buffer gnus-summary-buffer)
9690 (goto-char (point-min))
9692 (when (> (gnus-summary-article-score) score)
9693 (gnus-summary-mark-article nil mark))
9695 (gnus-summary-find-next)))))
9697 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
9698 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
9699 (defun gnus-summary-limit-include-expunged (&optional no-error)
9700 "Display all the hidden articles that were expunged for low scores."
9702 (let ((buffer-read-only nil))
9703 (let ((scored gnus-newsgroup-scored)
9706 (unless (gnus-summary-article-header (caar scored))
9707 (and (setq h (gnus-number-to-header (caar scored)))
9708 (< (cdar scored) gnus-summary-expunge-below)
9710 (setq scored (cdr scored)))
9712 (when (not no-error)
9713 (error "No expunged articles hidden"))
9714 (goto-char (point-min))
9715 (push gnus-newsgroup-limit gnus-newsgroup-limits)
9716 (setq gnus-newsgroup-limit (copy-sequence gnus-newsgroup-limit))
9717 (mapcar (lambda (x) (push (mail-header-number x)
9718 gnus-newsgroup-limit))
9720 (gnus-summary-prepare-unthreaded (nreverse headers))
9721 (goto-char (point-min))
9722 (gnus-summary-position-point)
9725 (defun gnus-summary-catchup (&optional all quietly to-here not-mark reverse)
9726 "Mark all unread articles in this newsgroup as read.
9727 If prefix argument ALL is non-nil, ticked and dormant articles will
9728 also be marked as read.
9729 If QUIETLY is non-nil, no questions will be asked.
9730 If TO-HERE is non-nil, it should be a point in the buffer. All
9731 articles before (after, if REVERSE is set) this point will be marked as read.
9732 Note that this function will only catch up the unread article
9733 in the current summary buffer limitation.
9734 The number of articles marked as read is returned."
9739 (not gnus-interactive-catchup) ;Without confirmation?
9743 "Mark absolutely all articles as read? "
9744 "Mark all unread articles as read? ")))
9746 (not gnus-newsgroup-adaptive)
9747 (not gnus-newsgroup-auto-expire)
9748 (not gnus-suppress-duplicates)
9749 (or (not gnus-use-cache)
9750 (eq gnus-use-cache 'passive)))
9753 (setq gnus-newsgroup-marked nil
9754 gnus-newsgroup-spam-marked nil
9755 gnus-newsgroup-dormant nil))
9756 (setq gnus-newsgroup-unreads gnus-newsgroup-downloadable))
9757 ;; We actually mark all articles as canceled, which we
9758 ;; have to do when using auto-expiry or adaptive scoring.
9759 (gnus-summary-show-all-threads)
9760 (if (and to-here reverse)
9764 (gnus-summary-mark-article-as-read gnus-catchup-mark)
9765 (gnus-summary-find-next (not all) nil nil t))))
9766 (when (gnus-summary-first-subject (not all) t)
9768 (if to-here (< (point) to-here) t)
9769 (gnus-summary-mark-article-as-read gnus-catchup-mark)
9770 (gnus-summary-find-next (not all) nil nil t)))))
9771 (gnus-set-mode-line 'summary))
9773 (gnus-summary-position-point)))
9775 (defun gnus-summary-catchup-to-here (&optional all)
9776 "Mark all unticked articles before the current one as read.
9777 If ALL is non-nil, also mark ticked and dormant articles as read."
9780 (gnus-save-hidden-threads
9781 (let ((beg (point)))
9782 ;; We check that there are unread articles.
9783 (when (or all (gnus-summary-find-prev))
9784 (gnus-summary-catchup all t beg)))))
9785 (gnus-summary-position-point))
9787 (defun gnus-summary-catchup-from-here (&optional all)
9788 "Mark all unticked articles after the current one as read.
9789 If ALL is non-nil, also mark ticked and dormant articles as read."
9792 (gnus-save-hidden-threads
9793 (let ((beg (point)))
9794 ;; We check that there are unread articles.
9795 (when (or all (gnus-summary-find-next))
9796 (gnus-summary-catchup all t beg nil t)))))
9798 (gnus-summary-position-point))
9799 (defun gnus-summary-catchup-all (&optional quietly)
9800 "Mark all articles in this newsgroup as read."
9802 (gnus-summary-catchup t quietly))
9804 (defun gnus-summary-catchup-and-exit (&optional all quietly)
9805 "Mark all unread articles in this group as read, then exit.
9806 If prefix argument ALL is non-nil, all articles are marked as read.
9807 If QUIETLY is non-nil, no questions will be asked."
9809 (when (gnus-summary-catchup all quietly nil 'fast)
9810 ;; Select next newsgroup or exit.
9811 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
9812 (eq gnus-auto-select-next 'quietly))
9813 (gnus-summary-next-group nil)
9814 (gnus-summary-exit))))
9816 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
9817 "Mark all articles in this newsgroup as read, and then exit."
9819 (gnus-summary-catchup-and-exit t quietly))
9821 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
9822 "Mark all articles in this group as read and select the next group.
9823 If given a prefix, mark all articles, unread as well as ticked, as
9827 (gnus-summary-catchup all))
9828 (gnus-summary-next-group))
9834 (defmacro gnus-with-article (article &rest forms)
9835 "Select ARTICLE and perform FORMS in the original article buffer.
9836 Then replace the article with the result."
9838 ;; We don't want the article to be marked as read.
9839 (let (gnus-mark-article-hook)
9840 (gnus-summary-select-article t t nil ,article))
9841 (set-buffer gnus-original-article-buffer)
9843 (if (not (gnus-check-backend-function
9844 'request-replace-article (car gnus-article-current)))
9845 (gnus-message 5 "Read-only group; not replacing")
9846 (unless (gnus-request-replace-article
9847 ,article (car gnus-article-current)
9849 (error "Couldn't replace article")))
9850 ;; The cache and backlog have to be flushed somewhat.
9851 (when gnus-keep-backlog
9852 (gnus-backlog-remove-article
9853 (car gnus-article-current) (cdr gnus-article-current)))
9854 (when gnus-use-cache
9855 (gnus-cache-update-article
9856 (car gnus-article-current) (cdr gnus-article-current)))))
9858 (put 'gnus-with-article 'lisp-indent-function 1)
9859 (put 'gnus-with-article 'edebug-form-spec '(form body))
9861 ;; Thread-based commands.
9863 (defun gnus-summary-articles-in-thread (&optional article)
9864 "Return a list of all articles in the current thread.
9865 If ARTICLE is non-nil, return all articles in the thread that starts
9867 (let* ((article (or article (gnus-summary-article-number)))
9868 (data (gnus-data-find-list article))
9869 (top-level (gnus-data-level (car data)))
9871 (cond ((null gnus-thread-operation-ignore-subject)
9872 (gnus-simplify-subject-re
9873 (mail-header-subject (gnus-data-header (car data)))))
9874 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
9875 (gnus-simplify-subject-fuzzy
9876 (mail-header-subject (gnus-data-header (car data)))))
9878 (end-point (save-excursion
9879 (if (gnus-summary-go-to-next-thread)
9880 (point) (point-max))))
9883 (< (gnus-data-pos (car data)) end-point))
9884 (when (or (not top-subject)
9885 (string= top-subject
9886 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
9887 (gnus-simplify-subject-fuzzy
9888 (mail-header-subject
9889 (gnus-data-header (car data))))
9890 (gnus-simplify-subject-re
9891 (mail-header-subject
9892 (gnus-data-header (car data)))))))
9893 (push (gnus-data-number (car data)) articles))
9894 (unless (and (setq data (cdr data))
9895 (> (gnus-data-level (car data)) top-level))
9897 ;; Return the list of articles.
9898 (nreverse articles)))
9900 (defun gnus-summary-rethread-current ()
9901 "Rethread the thread the current article is part of."
9903 (let* ((gnus-show-threads t)
9904 (article (gnus-summary-article-number))
9905 (id (mail-header-id (gnus-summary-article-header)))
9906 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
9908 (error "No article on the current line"))
9909 (gnus-rebuild-thread id)
9910 (gnus-summary-goto-subject article)))
9912 (defun gnus-summary-reparent-thread ()
9913 "Make the current article child of the marked (or previous) article.
9915 Note that the re-threading will only work if `gnus-thread-ignore-subject'
9916 is non-nil or the Subject: of both articles are the same."
9918 (unless (not (gnus-group-read-only-p))
9919 (error "The current newsgroup does not support article editing"))
9920 (unless (<= (length gnus-newsgroup-processable) 1)
9921 (error "No more than one article may be marked"))
9922 (save-window-excursion
9923 (let ((gnus-article-buffer " *reparent*")
9924 (current-article (gnus-summary-article-number))
9925 ;; First grab the marked article, otherwise one line up.
9926 (parent-article (if (not (null gnus-newsgroup-processable))
9927 (car gnus-newsgroup-processable)
9929 (if (eq (forward-line -1) 0)
9930 (gnus-summary-article-number)
9931 (error "Beginning of summary buffer"))))))
9932 (unless (not (eq current-article parent-article))
9933 (error "An article may not be self-referential"))
9934 (let ((message-id (mail-header-id
9935 (gnus-summary-article-header parent-article))))
9936 (unless (and message-id (not (equal message-id "")))
9937 (error "No message-id in desired parent"))
9938 (gnus-with-article current-article
9940 (goto-char (point-min))
9941 (message-narrow-to-head)
9942 (if (re-search-forward "^References: " nil t)
9944 (re-search-forward "^[^ \t]" nil t)
9947 (insert " " message-id))
9948 (insert "References: " message-id "\n"))))
9949 (set-buffer gnus-summary-buffer)
9950 (gnus-summary-unmark-all-processable)
9951 (gnus-summary-update-article current-article)
9952 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
9953 (gnus-summary-update-secondary-mark (cdr gnus-article-current)))
9954 (gnus-summary-rethread-current)
9955 (gnus-message 3 "Article %d is now the child of article %d"
9956 current-article parent-article)))))
9958 (defun gnus-summary-toggle-threads (&optional arg)
9959 "Toggle showing conversation threads.
9960 If ARG is positive number, turn showing conversation threads on."
9962 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
9963 (setq gnus-show-threads
9964 (if (null arg) (not gnus-show-threads)
9965 (> (prefix-numeric-value arg) 0)))
9966 (gnus-summary-prepare)
9967 (gnus-summary-goto-subject current)
9968 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
9969 (gnus-summary-position-point)))
9971 (defun gnus-summary-show-all-threads ()
9975 (let ((buffer-read-only nil))
9976 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
9977 (gnus-summary-position-point))
9979 (defun gnus-summary-show-thread ()
9980 "Show thread subtrees.
9981 Returns nil if no thread was there to be shown."
9983 (let ((buffer-read-only nil)
9985 ;; first goto end then to beg, to have point at beg after let
9986 (end (progn (end-of-line) (point)))
9987 (beg (progn (beginning-of-line) (point))))
9989 ;; Any hidden lines here?
9990 (search-forward "\r" end t)
9991 (subst-char-in-region beg end ?\^M ?\n t)
9993 (gnus-summary-position-point))))
9995 (defun gnus-summary-maybe-hide-threads ()
9996 "If requested, hide the threads that should be hidden."
9997 (when (and gnus-show-threads
9998 gnus-thread-hide-subtree)
9999 (gnus-summary-hide-all-threads
10000 (if (or (consp gnus-thread-hide-subtree)
10001 (gnus-functionp gnus-thread-hide-subtree))
10002 (gnus-make-predicate gnus-thread-hide-subtree)
10005 ;;; Hiding predicates.
10007 (defun gnus-article-unread-p (header)
10008 (memq (mail-header-number header) gnus-newsgroup-unreads))
10010 (defun gnus-article-unseen-p (header)
10011 (memq (mail-header-number header) gnus-newsgroup-unseen))
10013 (defun gnus-map-articles (predicate articles)
10014 "Map PREDICATE over ARTICLES and return non-nil if any predicate is non-nil."
10015 (apply 'gnus-or (mapcar predicate
10016 (mapcar 'gnus-summary-article-header articles))))
10018 (defun gnus-summary-hide-all-threads (&optional predicate)
10019 "Hide all thread subtrees.
10020 If PREDICATE is supplied, threads that satisfy this predicate
10021 will not be hidden."
10024 (goto-char (point-min))
10027 (when (or (not predicate)
10029 predicate (gnus-summary-article-children)))
10030 (gnus-summary-hide-thread))
10031 (setq end (not (zerop (gnus-summary-next-thread 1 t)))))))
10032 (gnus-summary-position-point))
10034 (defun gnus-summary-hide-thread ()
10035 "Hide thread subtrees.
10036 If PREDICATE is supplied, threads that satisfy this predicate
10037 will not be hidden.
10038 Returns nil if no threads were there to be hidden."
10040 (let ((buffer-read-only nil)
10042 (article (gnus-summary-article-number)))
10044 ;; Go forward until either the buffer ends or the subthread
10046 (when (and (not (eobp))
10047 (or (zerop (gnus-summary-next-thread 1 t))
10048 (goto-char (point-max))))
10050 (if (and (> (point) start)
10051 (search-backward "\n" start t))
10053 (subst-char-in-region start (point) ?\n ?\^M)
10054 (gnus-summary-goto-subject article))
10058 (defun gnus-summary-go-to-next-thread (&optional previous)
10059 "Go to the same level (or less) next thread.
10060 If PREVIOUS is non-nil, go to previous thread instead.
10061 Return the article number moved to, or nil if moving was impossible."
10062 (let ((level (gnus-summary-thread-level))
10063 (way (if previous -1 1))
10066 (while (and (not (eobp))
10067 (< level (gnus-summary-thread-level)))
10068 (forward-line way))
10075 (gnus-summary-article-number)
10076 (goto-char beg)))))
10078 (defun gnus-summary-next-thread (n &optional silent)
10079 "Go to the same level next N'th thread.
10080 If N is negative, search backward instead.
10081 Returns the difference between N and the number of skips actually
10084 If SILENT, don't output messages."
10086 (let ((backward (< n 0))
10088 (while (and (> n 0)
10089 (gnus-summary-go-to-next-thread backward))
10092 (gnus-summary-position-point))
10093 (when (and (not silent) (/= 0 n))
10094 (gnus-message 7 "No more threads"))
10097 (defun gnus-summary-prev-thread (n)
10098 "Go to the same level previous N'th thread.
10099 Returns the difference between N and the number of skips actually
10102 (gnus-summary-next-thread (- n)))
10104 (defun gnus-summary-go-down-thread ()
10105 "Go down one level in the current thread."
10106 (let ((children (gnus-summary-article-children)))
10108 (gnus-summary-goto-subject (car children)))))
10110 (defun gnus-summary-go-up-thread ()
10111 "Go up one level in the current thread."
10112 (let ((parent (gnus-summary-article-parent)))
10114 (gnus-summary-goto-subject parent))))
10116 (defun gnus-summary-down-thread (n)
10117 "Go down thread N steps.
10118 If N is negative, go up instead.
10119 Returns the difference between N and how many steps down that were
10124 (while (and (> n 0)
10125 (if up (gnus-summary-go-up-thread)
10126 (gnus-summary-go-down-thread)))
10128 (gnus-summary-position-point)
10130 (gnus-message 7 "Can't go further"))
10133 (defun gnus-summary-up-thread (n)
10134 "Go up thread N steps.
10135 If N is negative, go down instead.
10136 Returns the difference between N and how many steps down that were
10139 (gnus-summary-down-thread (- n)))
10141 (defun gnus-summary-top-thread ()
10142 "Go to the top of the thread."
10144 (while (gnus-summary-go-up-thread))
10145 (gnus-summary-article-number))
10147 (defun gnus-summary-kill-thread (&optional unmark)
10148 "Mark articles under current thread as read.
10149 If the prefix argument is positive, remove any kinds of marks.
10150 If the prefix argument is negative, tick articles instead."
10153 (setq unmark (prefix-numeric-value unmark)))
10154 (let ((articles (gnus-summary-articles-in-thread)))
10156 ;; Expand the thread.
10157 (gnus-summary-show-thread)
10158 ;; Mark all the articles.
10160 (gnus-summary-goto-subject (car articles))
10161 (cond ((null unmark)
10162 (gnus-summary-mark-article-as-read gnus-killed-mark))
10164 (gnus-summary-mark-article-as-unread gnus-unread-mark))
10166 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
10167 (setq articles (cdr articles))))
10168 ;; Hide killed subtrees.
10170 gnus-thread-hide-killed
10171 (gnus-summary-hide-thread))
10172 ;; If marked as read, go to next unread subject.
10173 (when (null unmark)
10174 ;; Go to next unread subject.
10175 (gnus-summary-next-subject 1 t)))
10176 (gnus-set-mode-line 'summary))
10178 ;; Summary sorting commands
10180 (defun gnus-summary-sort-by-number (&optional reverse)
10181 "Sort the summary buffer by article number.
10182 Argument REVERSE means reverse order."
10184 (gnus-summary-sort 'number reverse))
10186 (defun gnus-summary-sort-by-random (&optional reverse)
10187 "Randomize the order in the summary buffer.
10188 Argument REVERSE means to randomize in reverse order."
10190 (gnus-summary-sort 'random reverse))
10192 (defun gnus-summary-sort-by-author (&optional reverse)
10193 "Sort the summary buffer by author name alphabetically.
10194 If `case-fold-search' is non-nil, case of letters is ignored.
10195 Argument REVERSE means reverse order."
10197 (gnus-summary-sort 'author reverse))
10199 (defun gnus-summary-sort-by-subject (&optional reverse)
10200 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
10201 If `case-fold-search' is non-nil, case of letters is ignored.
10202 Argument REVERSE means reverse order."
10204 (gnus-summary-sort 'subject reverse))
10206 (defun gnus-summary-sort-by-date (&optional reverse)
10207 "Sort the summary buffer by date.
10208 Argument REVERSE means reverse order."
10210 (gnus-summary-sort 'date reverse))
10212 (defun gnus-summary-sort-by-score (&optional reverse)
10213 "Sort the summary buffer by score.
10214 Argument REVERSE means reverse order."
10216 (gnus-summary-sort 'score reverse))
10218 (defun gnus-summary-sort-by-lines (&optional reverse)
10219 "Sort the summary buffer by the number of lines.
10220 Argument REVERSE means reverse order."
10222 (gnus-summary-sort 'lines reverse))
10224 (defun gnus-summary-sort-by-chars (&optional reverse)
10225 "Sort the summary buffer by article length.
10226 Argument REVERSE means reverse order."
10228 (gnus-summary-sort 'chars reverse))
10230 (defun gnus-summary-sort-by-original (&optional reverse)
10231 "Sort the summary buffer using the default sorting method.
10232 Argument REVERSE means reverse order."
10234 (let* ((buffer-read-only)
10235 (gnus-summary-prepare-hook nil))
10236 ;; We do the sorting by regenerating the threads.
10237 (gnus-summary-prepare)
10238 ;; Hide subthreads if needed.
10239 (gnus-summary-maybe-hide-threads)))
10241 (defun gnus-summary-sort (predicate reverse)
10242 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
10243 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
10244 (article (intern (format "gnus-article-sort-by-%s" predicate)))
10245 (gnus-thread-sort-functions
10250 (gnus-sort-gathered-threads-function
10251 gnus-thread-sort-functions)
10252 (gnus-article-sort-functions
10256 (,article t2 t1))))
10258 (gnus-summary-prepare-hook nil))
10259 ;; We do the sorting by regenerating the threads.
10260 (gnus-summary-prepare)
10261 ;; Hide subthreads if needed.
10262 (gnus-summary-maybe-hide-threads)))
10264 ;; Summary saving commands.
10266 (defun gnus-summary-save-article (&optional n not-saved)
10267 "Save the current article using the default saver function.
10268 If N is a positive number, save the N next articles.
10269 If N is a negative number, save the N previous articles.
10270 If N is nil and any articles have been marked with the process mark,
10271 save those articles instead.
10272 The variable `gnus-default-article-saver' specifies the saver function."
10274 (let* ((articles (gnus-summary-work-articles n))
10275 (save-buffer (save-excursion
10276 (nnheader-set-temp-buffer " *Gnus Save*")))
10277 (num (length articles))
10279 (dolist (article articles)
10280 (setq header (gnus-summary-article-header article))
10281 (if (not (vectorp header))
10282 ;; This is a pseudo-article.
10283 (if (assq 'name header)
10284 (gnus-copy-file (cdr (assq 'name header)))
10285 (gnus-message 1 "Article %d is unsaveable" article))
10286 ;; This is a real article.
10287 (save-window-excursion
10288 (let ((gnus-display-mime-function nil)
10289 (gnus-article-prepare-hook nil))
10290 (gnus-summary-select-article t nil nil article)))
10292 (set-buffer save-buffer)
10294 (insert-buffer-substring gnus-original-article-buffer))
10295 (setq file (gnus-article-save save-buffer file num))
10296 (gnus-summary-remove-process-mark article)
10298 (gnus-summary-set-saved-mark article))))
10299 (gnus-kill-buffer save-buffer)
10300 (gnus-summary-position-point)
10301 (gnus-set-mode-line 'summary)
10304 (defun gnus-summary-pipe-output (&optional arg)
10305 "Pipe the current article to a subprocess.
10306 If N is a positive number, pipe the N next articles.
10307 If N is a negative number, pipe the N previous articles.
10308 If N is nil and any articles have been marked with the process mark,
10309 pipe those articles instead."
10311 (require 'gnus-art)
10312 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe))
10313 (gnus-summary-save-article arg t))
10314 (let ((buffer (get-buffer "*Shell Command Output*")))
10316 (with-current-buffer buffer (> (point-max) (point-min))))
10317 (gnus-configure-windows 'pipe))))
10319 (defun gnus-summary-save-article-mail (&optional arg)
10320 "Append the current article to an mail file.
10321 If N is a positive number, save the N next articles.
10322 If N is a negative number, save the N previous articles.
10323 If N is nil and any articles have been marked with the process mark,
10324 save those articles instead."
10326 (require 'gnus-art)
10327 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
10328 (gnus-summary-save-article arg)))
10330 (defun gnus-summary-save-article-rmail (&optional arg)
10331 "Append the current article to an rmail file.
10332 If N is a positive number, save the N next articles.
10333 If N is a negative number, save the N previous articles.
10334 If N is nil and any articles have been marked with the process mark,
10335 save those articles instead."
10337 (require 'gnus-art)
10338 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
10339 (gnus-summary-save-article arg)))
10341 (defun gnus-summary-save-article-file (&optional arg)
10342 "Append the current article to a file.
10343 If N is a positive number, save the N next articles.
10344 If N is a negative number, save the N previous articles.
10345 If N is nil and any articles have been marked with the process mark,
10346 save those articles instead."
10348 (require 'gnus-art)
10349 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
10350 (gnus-summary-save-article arg)))
10352 (defun gnus-summary-write-article-file (&optional arg)
10353 "Write the current article to a file, deleting the previous file.
10354 If N is a positive number, save the N next articles.
10355 If N is a negative number, save the N previous articles.
10356 If N is nil and any articles have been marked with the process mark,
10357 save those articles instead."
10359 (require 'gnus-art)
10360 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
10361 (gnus-summary-save-article arg)))
10363 (defun gnus-summary-save-article-body-file (&optional arg)
10364 "Append the current article body to a file.
10365 If N is a positive number, save the N next articles.
10366 If N is a negative number, save the N previous articles.
10367 If N is nil and any articles have been marked with the process mark,
10368 save those articles instead."
10370 (require 'gnus-art)
10371 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
10372 (gnus-summary-save-article arg)))
10374 (defun gnus-summary-muttprint (&optional arg)
10375 "Print the current article using Muttprint.
10376 If N is a positive number, save the N next articles.
10377 If N is a negative number, save the N previous articles.
10378 If N is nil and any articles have been marked with the process mark,
10379 save those articles instead."
10381 (require 'gnus-art)
10382 (let ((gnus-default-article-saver 'gnus-summary-pipe-to-muttprint))
10383 (gnus-summary-save-article arg t)))
10385 (defun gnus-summary-pipe-message (program)
10386 "Pipe the current article through PROGRAM."
10387 (interactive "sProgram: ")
10388 (gnus-summary-select-article)
10389 (let ((mail-header-separator ""))
10390 (gnus-eval-in-buffer-window gnus-article-buffer
10393 (let ((start (window-start))
10395 (message-pipe-buffer-body program)
10396 (set-window-start (get-buffer-window (current-buffer)) start))))))
10398 (defun gnus-get-split-value (methods)
10399 "Return a value based on the split METHODS."
10400 (let (split-name method result match)
10403 (set-buffer gnus-original-article-buffer)
10405 (nnheader-narrow-to-headers)
10406 (while (and methods (not split-name))
10407 (goto-char (point-min))
10408 (setq method (pop methods))
10409 (setq match (car method))
10412 ;; Regular expression.
10414 (re-search-forward match nil t)))
10415 ((gnus-functionp match)
10419 (setq result (funcall match gnus-newsgroup-name))))
10424 (setq result (eval match)))))
10425 (setq split-name (cdr method))
10426 (cond ((stringp result)
10427 (push (expand-file-name
10428 result gnus-article-save-directory)
10431 (setq split-name (append result split-name)))))))))
10432 (nreverse split-name)))
10434 (defun gnus-valid-move-group-p (group)
10435 (and (boundp group)
10436 (symbol-name group)
10437 (symbol-value group)
10438 (gnus-get-function (gnus-find-method-for-group
10439 (symbol-name group)) 'request-accept-article t)))
10441 (defun gnus-read-move-group-name (prompt default articles prefix)
10442 "Read a group name."
10443 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
10444 (minibuffer-confirm-incomplete nil) ; XEmacs
10446 (format "%s %s to:"
10448 (if (> (length articles) 1)
10449 (format "these %d articles" (length articles))
10454 (gnus-completing-read-with-default
10457 'gnus-valid-move-group-p
10459 'gnus-group-history))
10460 ((= 1 (length split-name))
10461 (gnus-completing-read-with-default
10462 (car split-name) prom
10464 'gnus-valid-move-group-p
10466 'gnus-group-history))
10468 (gnus-completing-read-with-default
10470 (mapcar (lambda (el) (list el))
10471 (nreverse split-name))
10473 'gnus-group-history))))
10474 (to-method (gnus-server-to-method (gnus-group-method to-newsgroup))))
10476 (if (or (string= to-newsgroup "")
10477 (string= to-newsgroup prefix))
10478 (setq to-newsgroup default))
10479 (unless to-newsgroup
10480 (error "No group name entered"))
10481 (or (gnus-active to-newsgroup)
10482 (gnus-activate-group to-newsgroup nil nil to-method)
10483 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
10485 (or (and (gnus-request-create-group to-newsgroup to-method)
10486 (gnus-activate-group
10487 to-newsgroup nil nil to-method)
10488 (gnus-subscribe-group to-newsgroup))
10489 (error "Couldn't create group %s" to-newsgroup)))
10490 (error "No such group: %s" to-newsgroup)))
10493 (defun gnus-summary-save-parts (type dir n &optional reverse)
10494 "Save parts matching TYPE to DIR.
10495 If REVERSE, save parts that do not match TYPE."
10497 (list (read-string "Save parts of type: "
10498 (or (car gnus-summary-save-parts-type-history)
10499 gnus-summary-save-parts-default-mime)
10500 'gnus-summary-save-parts-type-history)
10501 (setq gnus-summary-save-parts-last-directory
10502 (read-file-name "Save to directory: "
10503 gnus-summary-save-parts-last-directory
10505 current-prefix-arg))
10506 (gnus-summary-iterate n
10507 (let ((gnus-display-mime-function nil)
10508 (gnus-inhibit-treatment t))
10509 (gnus-summary-select-article))
10511 (set-buffer gnus-article-buffer)
10512 (let ((handles (or gnus-article-mime-handles
10513 (mm-dissect-buffer nil gnus-article-loose-mime)
10516 (gnus-summary-save-parts-1 type dir handles reverse)
10517 (unless gnus-article-mime-handles ;; Don't destroy this case.
10518 (mm-destroy-parts handles)))))))
10520 (defun gnus-summary-save-parts-1 (type dir handle reverse)
10521 (if (stringp (car handle))
10522 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
10525 (not (string-match type (mm-handle-media-type handle)))
10526 (string-match type (mm-handle-media-type handle)))
10527 (let ((file (expand-file-name
10528 (file-name-nondirectory
10530 (mail-content-type-get
10531 (mm-handle-disposition handle) 'filename)
10532 (concat gnus-newsgroup-name
10533 "." (number-to-string
10534 (cdr gnus-article-current)))))
10536 (unless (file-exists-p file)
10537 (mm-save-part-to-file handle file))))))
10539 ;; Summary extract commands
10541 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
10542 (let ((buffer-read-only nil)
10543 (article (gnus-summary-article-number))
10545 (unless (gnus-summary-goto-subject article)
10546 (error "No such article: %d" article))
10547 (gnus-summary-position-point)
10548 ;; If all commands are to be bunched up on one line, we collect
10550 (unless gnus-view-pseudos-separately
10551 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
10554 (setq action (cdr (assq 'action (car ps))))
10555 (setq files (list (cdr (assq 'name (car ps)))))
10556 (while (and ps (cdr ps)
10557 (string= (or action "1")
10558 (or (cdr (assq 'action (cadr ps))) "2")))
10559 (push (cdr (assq 'name (cadr ps))) files)
10560 (setcdr ps (cddr ps)))
10562 (when (not (string-match "%s" action))
10565 (when (assq 'execute (car ps))
10566 (setcdr (assq 'execute (car ps))
10567 (funcall (if (string-match "%s" action)
10576 (setq ps (cdr ps)))))
10577 (if (and gnus-view-pseudos (not not-view))
10579 (when (assq 'execute (car pslist))
10580 (gnus-execute-command (cdr (assq 'execute (car pslist)))
10581 (eq gnus-view-pseudos 'not-confirm)))
10582 (setq pslist (cdr pslist)))
10585 (setq after-article (or (cdr (assq 'article (car pslist)))
10586 (gnus-summary-article-number)))
10587 (gnus-summary-goto-subject after-article)
10590 (insert " " (file-name-nondirectory
10591 (cdr (assq 'name (car pslist))))
10592 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
10594 (forward-line -1) ; back to `b'
10595 (gnus-add-text-properties
10596 b (1- e) (list 'gnus-number gnus-reffed-article-number
10597 gnus-mouse-face-prop gnus-mouse-face))
10599 after-article gnus-reffed-article-number
10600 gnus-unread-mark b (car pslist) 0 (- e b))
10601 (setq gnus-newsgroup-unreads
10602 (gnus-add-to-sorted-list gnus-newsgroup-unreads
10603 gnus-reffed-article-number))
10604 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
10605 (setq pslist (cdr pslist)))))))
10607 (defun gnus-pseudos< (p1 p2)
10608 (let ((c1 (cdr (assq 'action p1)))
10609 (c2 (cdr (assq 'action p2))))
10610 (and c1 c2 (string< c1 c2))))
10612 (defun gnus-request-pseudo-article (props)
10613 (cond ((assq 'execute props)
10614 (gnus-execute-command (cdr (assq 'execute props)))))
10615 (let ((gnus-current-article (gnus-summary-article-number)))
10616 (gnus-run-hooks 'gnus-mark-article-hook)))
10618 (defun gnus-execute-command (command &optional automatic)
10620 (gnus-article-setup-buffer)
10621 (set-buffer gnus-article-buffer)
10622 (setq buffer-read-only nil)
10623 (let ((command (if automatic command
10624 (read-string "Command: " (cons command 0)))))
10626 (insert "$ " command "\n\n")
10627 (if gnus-view-pseudo-asynchronously
10628 (start-process "gnus-execute" (current-buffer) shell-file-name
10629 shell-command-switch command)
10630 (call-process shell-file-name nil t nil
10631 shell-command-switch command)))))
10633 ;; Summary kill commands.
10635 (defun gnus-summary-edit-global-kill (article)
10636 "Edit the \"global\" kill file."
10637 (interactive (list (gnus-summary-article-number)))
10638 (gnus-group-edit-global-kill article))
10640 (defun gnus-summary-edit-local-kill ()
10641 "Edit a local kill file applied to the current newsgroup."
10643 (setq gnus-current-headers (gnus-summary-article-header))
10644 (gnus-group-edit-local-kill
10645 (gnus-summary-article-number) gnus-newsgroup-name))
10647 ;;; Header reading.
10649 (defun gnus-read-header (id &optional header)
10650 "Read the headers of article ID and enter them into the Gnus system."
10651 (let ((group gnus-newsgroup-name)
10652 (gnus-override-method
10654 gnus-override-method
10655 (and (gnus-news-group-p gnus-newsgroup-name)
10656 (car (gnus-refer-article-methods)))))
10658 ;; First we check to see whether the header in question is already
10661 ;; This is a Message-ID.
10662 (setq header (or header (gnus-id-to-header id)))
10663 ;; This is an article number.
10664 (setq header (or header (gnus-summary-article-header id))))
10666 (not (gnus-summary-article-sparse-p (mail-header-number header))))
10667 ;; We have found the header.
10669 ;; If this is a sparse article, we have to nix out its
10670 ;; previous entry in the thread hashtb.
10672 (gnus-summary-article-sparse-p (mail-header-number header)))
10673 (let* ((parent (gnus-parent-id (mail-header-references header)))
10674 (thread (and parent (gnus-id-to-thread parent))))
10676 (delq (assq header thread) thread))))
10677 ;; We have to really fetch the header to this article.
10679 (set-buffer nntp-server-buffer)
10680 (when (setq where (gnus-request-head id group))
10681 (nnheader-fold-continuation-lines)
10682 (goto-char (point-max))
10684 (goto-char (point-min))
10688 ((cdr where) (cdr where))
10689 (header (mail-header-number header))
10690 (t gnus-reffed-article-number))
10692 (insert " Article retrieved.\n"))
10693 (if (or (not where)
10694 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
10695 () ; Malformed head.
10696 (unless (gnus-summary-article-sparse-p (mail-header-number header))
10697 (when (and (stringp id)
10698 (not (string= (gnus-group-real-name group)
10700 ;; If we fetched by Message-ID and the article came
10701 ;; from a different group, we fudge some bogus article
10702 ;; numbers for this article.
10703 (mail-header-set-number header gnus-reffed-article-number))
10705 (set-buffer gnus-summary-buffer)
10706 (decf gnus-reffed-article-number)
10707 (gnus-remove-header (mail-header-number header))
10708 (push header gnus-newsgroup-headers)
10709 (setq gnus-current-headers header)
10710 (push (mail-header-number header) gnus-newsgroup-limit)))
10713 (defun gnus-remove-header (number)
10714 "Remove header NUMBER from `gnus-newsgroup-headers'."
10715 (if (and gnus-newsgroup-headers
10716 (= number (mail-header-number (car gnus-newsgroup-headers))))
10717 (pop gnus-newsgroup-headers)
10718 (let ((headers gnus-newsgroup-headers))
10719 (while (and (cdr headers)
10720 (not (= number (mail-header-number (cadr headers)))))
10722 (when (cdr headers)
10723 (setcdr headers (cddr headers))))))
10726 ;;; summary highlights
10729 (defun gnus-highlight-selected-summary ()
10730 "Highlight selected article in summary buffer."
10731 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
10732 (when gnus-summary-selected-face
10734 (let* ((beg (progn (beginning-of-line) (point)))
10735 (end (progn (end-of-line) (point)))
10736 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
10737 (from (if (get-text-property beg gnus-mouse-face-prop)
10739 (or (next-single-property-change
10740 beg gnus-mouse-face-prop nil end)
10745 (or (next-single-property-change
10746 from gnus-mouse-face-prop nil end)
10748 ;; If no mouse-face prop on line we will have to = from = end,
10749 ;; so we highlight the entire line instead.
10750 (when (= (+ to 2) from)
10753 (if gnus-newsgroup-selected-overlay
10754 ;; Move old overlay.
10756 gnus-newsgroup-selected-overlay from to (current-buffer))
10757 ;; Create new overlay.
10759 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
10760 'face gnus-summary-selected-face))))))
10762 ;; New implementation by Christian Limpach <Christian.Limpach@nice.ch>.
10763 (defun gnus-summary-highlight-line ()
10764 "Highlight current line according to `gnus-summary-highlight'."
10765 (let* ((list gnus-summary-highlight)
10766 (beg (gnus-point-at-bol))
10767 (article (gnus-summary-article-number))
10768 (score (or (cdr (assq (or article gnus-current-article)
10769 gnus-newsgroup-scored))
10770 gnus-summary-default-score 0))
10771 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
10772 (inhibit-read-only t)
10773 (default gnus-summary-default-score)
10774 (default-high gnus-summary-default-high-score)
10775 (default-low gnus-summary-default-low-score))
10776 ;; Eval the cars of the lists until we find a match.
10778 (not (eval (caar list))))
10779 (setq list (cdr list)))
10780 (let ((face (cdar list)))
10781 (unless (eq face (get-text-property beg 'face))
10782 (gnus-put-text-property-excluding-characters-with-faces
10783 beg (gnus-point-at-eol) 'face
10784 (setq face (if (boundp face) (symbol-value face) face)))
10785 (when gnus-summary-highlight-line-function
10786 (funcall gnus-summary-highlight-line-function article face))))))
10788 (defun gnus-update-read-articles (group unread &optional compute)
10789 "Update the list of read articles in GROUP.
10790 UNREAD is a sorted list."
10791 (let* ((active (or gnus-newsgroup-active (gnus-active group)))
10792 (entry (gnus-gethash group gnus-newsrc-hashtb))
10793 (info (nth 2 entry))
10796 (if (or (not info) (not active))
10797 ;; There is no info on this group if it was, in fact,
10798 ;; killed. Gnus stores no information on killed groups, so
10799 ;; there's nothing to be done.
10800 ;; One could store the information somewhere temporarily,
10801 ;; perhaps... Hmmm...
10803 ;; Remove any negative articles numbers.
10804 (while (and unread (< (car unread) 0))
10805 (setq unread (cdr unread)))
10806 ;; Remove any expired article numbers
10807 (while (and unread (< (car unread) (car active)))
10808 (setq unread (cdr unread)))
10809 ;; Compute the ranges of read articles by looking at the list of
10810 ;; unread articles.
10812 (when (/= (car unread) prev)
10813 (push (if (= prev (1- (car unread))) prev
10814 (cons prev (1- (car unread))))
10816 (setq prev (1+ (car unread)))
10817 (setq unread (cdr unread)))
10818 (when (<= prev (cdr active))
10819 (push (cons prev (cdr active)) read))
10820 (setq read (if (> (length read) 1) (nreverse read) read))
10825 ;; Propagate the read marks to the backend.
10826 (when (gnus-check-backend-function 'request-set-mark group)
10827 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
10828 (add (gnus-remove-from-range read (gnus-info-read info))))
10830 (unless (gnus-check-group group)
10831 (error "Can't open server for %s" group))
10832 (gnus-request-set-mark
10833 group (delq nil (list (if add (list add 'add '(read)))
10834 (if del (list del 'del '(read))))))
10836 `(gnus-request-set-mark
10839 (if del (list del 'add '(read)))
10840 (if add (list add 'del '(read))))))))))
10841 (set-buffer gnus-group-buffer)
10842 (gnus-undo-register
10844 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
10845 (gnus-info-set-read ',info ',(gnus-info-read info))
10846 (gnus-get-unread-articles-in-group ',info
10847 (gnus-active ,group))
10848 (gnus-group-update-group ,group t)
10850 ;; Enter this list into the group info.
10851 (gnus-info-set-read info read)
10852 ;; Set the number of unread articles in gnus-newsrc-hashtb.
10853 (gnus-get-unread-articles-in-group info (gnus-active group))
10856 (defun gnus-offer-save-summaries ()
10857 "Offer to save all active summary buffers."
10859 ;; Go through all buffers and find all summaries.
10860 (dolist (buffer (buffer-list))
10861 (when (and (setq buffer (buffer-name buffer))
10862 (string-match "Summary" buffer)
10864 (set-buffer buffer)
10865 ;; We check that this is, indeed, a summary buffer.
10866 (and (eq major-mode 'gnus-summary-mode)
10867 ;; Also make sure this isn't bogus.
10868 gnus-newsgroup-prepared
10869 ;; Also make sure that this isn't a
10870 ;; dead summary buffer.
10871 (not gnus-dead-summary-mode))))
10872 (push buffer buffers)))
10873 ;; Go through all these summary buffers and offer to save them.
10877 "Update summary buffer %s? "
10879 (switch-to-buffer buf)
10880 (gnus-summary-exit))
10883 (defun gnus-summary-setup-default-charset ()
10884 "Setup newsgroup default charset."
10885 (if (equal gnus-newsgroup-name "nndraft:drafts")
10886 (setq gnus-newsgroup-charset nil)
10887 (let* ((ignored-charsets
10888 (or gnus-newsgroup-ephemeral-ignored-charsets
10890 (and gnus-newsgroup-name
10891 (gnus-parameter-ignored-charsets gnus-newsgroup-name))
10892 gnus-newsgroup-ignored-charsets))))
10893 (setq gnus-newsgroup-charset
10894 (or gnus-newsgroup-ephemeral-charset
10895 (and gnus-newsgroup-name
10896 (gnus-parameter-charset gnus-newsgroup-name))
10897 gnus-default-charset))
10898 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
10899 ignored-charsets))))
10905 (defun gnus-summary-display-buttonized (&optional show-all-parts)
10906 "Display the current article buffer fully MIME-buttonized.
10907 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
10908 treated as multipart/mixed."
10910 (require 'gnus-art)
10911 (let ((gnus-unbuttonized-mime-types nil)
10912 (gnus-mime-display-multipart-as-mixed show-all-parts))
10913 (gnus-summary-show-article)))
10915 (defun gnus-summary-repair-multipart (article)
10916 "Add a Content-Type header to a multipart article without one."
10917 (interactive (list (gnus-summary-article-number)))
10918 (gnus-with-article article
10919 (message-narrow-to-head)
10920 (message-remove-header "Mime-Version")
10921 (goto-char (point-max))
10922 (insert "Mime-Version: 1.0\n")
10924 (when (search-forward "\n--" nil t)
10925 (let ((separator (buffer-substring (point) (gnus-point-at-eol))))
10926 (message-narrow-to-head)
10927 (message-remove-header "Content-Type")
10928 (goto-char (point-max))
10929 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
10932 (let (gnus-mark-article-hook)
10933 (gnus-summary-select-article t t nil article)))
10935 (defun gnus-summary-toggle-display-buttonized ()
10936 "Toggle the buttonizing of the article buffer."
10938 (require 'gnus-art)
10939 (if (setq gnus-inhibit-mime-unbuttonizing
10940 (not gnus-inhibit-mime-unbuttonizing))
10941 (let ((gnus-unbuttonized-mime-types nil))
10942 (gnus-summary-show-article))
10943 (gnus-summary-show-article)))
10946 ;;; Generic summary marking commands
10949 (defvar gnus-summary-marking-alist
10950 '((read gnus-del-mark "d")
10951 (unread gnus-unread-mark "u")
10952 (ticked gnus-ticked-mark "!")
10953 (dormant gnus-dormant-mark "?")
10954 (expirable gnus-expirable-mark "e"))
10955 "An alist of names/marks/keystrokes.")
10957 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
10958 (defvar gnus-summary-mark-map)
10960 (defun gnus-summary-make-all-marking-commands ()
10961 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
10962 (dolist (elem gnus-summary-marking-alist)
10963 (apply 'gnus-summary-make-marking-command elem)))
10965 (defun gnus-summary-make-marking-command (name mark keystroke)
10966 (let ((map (make-sparse-keymap)))
10967 (define-key gnus-summary-generic-mark-map keystroke map)
10968 (dolist (lway `((next "next" next nil "n")
10969 (next-unread "next unread" next t "N")
10970 (prev "previous" prev nil "p")
10971 (prev-unread "previous unread" prev t "P")
10972 (nomove "" nil nil ,keystroke)))
10973 (let ((func (gnus-summary-make-marking-command-1
10974 mark (car lway) lway name)))
10975 (setq func (eval func))
10976 (define-key map (nth 4 lway) func)))))
10978 (defun gnus-summary-make-marking-command-1 (mark way lway name)
10980 (format "gnus-summary-put-mark-as-%s%s"
10981 name (if (eq way 'nomove)
10983 (concat "-" (symbol-name way)))))
10986 "Mark the current article as %s%s.
10987 If N, the prefix, then repeat N times.
10988 If N is negative, move in reverse order.
10989 The difference between N and the actual number of articles marked is
10993 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
10995 (defun gnus-summary-generic-mark (n mark move unread)
10996 "Mark N articles with MARK."
10997 (unless (eq major-mode 'gnus-summary-mode)
10998 (error "This command can only be used in the summary buffer"))
10999 (gnus-summary-show-thread)
11002 ((eq move 'next) 1)
11003 ((eq move 'prev) -1)
11005 (if (zerop nummove)
11009 nummove (* -1 nummove))))
11010 (while (and (> n 0)
11011 (gnus-summary-mark-article nil mark)
11012 (zerop (gnus-summary-next-subject nummove unread t)))
11015 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
11016 (gnus-summary-recenter)
11017 (gnus-summary-position-point)
11018 (gnus-set-mode-line 'summary)
11021 (defun gnus-summary-insert-articles (articles)
11022 (when (setq articles
11023 (gnus-sorted-difference articles
11024 (mapcar (lambda (h)
11025 (mail-header-number h))
11026 gnus-newsgroup-headers)))
11027 (setq gnus-newsgroup-headers
11029 gnus-newsgroup-headers
11030 (gnus-fetch-headers articles)
11031 'gnus-article-sort-by-number))
11032 ;; Suppress duplicates?
11033 (when gnus-suppress-duplicates
11034 (gnus-dup-suppress-articles))
11036 ;; We might want to build some more threads first.
11037 (when (and gnus-fetch-old-headers
11038 (eq gnus-headers-retrieved-by 'nov))
11039 (if (eq gnus-fetch-old-headers 'invisible)
11040 (gnus-build-all-threads)
11041 (gnus-build-old-threads)))
11042 ;; Let the Gnus agent mark articles as read.
11044 (gnus-agent-get-undownloaded-list))
11045 ;; Remove list identifiers from subject
11046 (when gnus-list-identifiers
11047 (gnus-summary-remove-list-identifiers))
11048 ;; First and last article in this newsgroup.
11049 (when gnus-newsgroup-headers
11050 (setq gnus-newsgroup-begin
11051 (mail-header-number (car gnus-newsgroup-headers))
11053 (mail-header-number
11054 (gnus-last-element gnus-newsgroup-headers))))
11055 (when gnus-use-scoring
11056 (gnus-possibly-score-headers))))
11058 (defun gnus-summary-insert-old-articles (&optional all)
11059 "Insert all old articles in this group.
11060 If ALL is non-nil, already read articles become readable.
11061 If ALL is a number, fetch this number of articles."
11064 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
11067 (gnus-sorted-difference
11068 (gnus-uncompress-range (list gnus-newsgroup-active))
11070 (setq len (length older))
11075 (setq older (last older all))))
11078 (if (and (numberp gnus-large-newsgroup)
11079 (> len gnus-large-newsgroup))
11080 (let* ((cursor-in-echo-area nil)
11081 (initial (gnus-parameter-large-newsgroup-initial
11082 gnus-newsgroup-name))
11086 "How many articles from %s (%s %d): "
11088 (gnus-group-decoded-name gnus-newsgroup-name) 35)
11089 (if initial "max" "default")
11092 (cons (number-to-string initial)
11094 (unless (string-match "^[ \t]*$" input)
11095 (setq all (string-to-number input))
11097 (setq older (last older all))))))))
11099 (message "No old news.")
11100 (gnus-summary-insert-articles older)
11101 (gnus-summary-limit (gnus-sorted-nunion old older))))
11102 (gnus-summary-position-point)))
11104 (defun gnus-summary-insert-new-articles ()
11105 "Insert all new articles in this group."
11108 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
11109 (old-active gnus-newsgroup-active)
11110 (nnmail-fetched-sources (list t))
11112 (setq gnus-newsgroup-active
11113 (gnus-activate-group gnus-newsgroup-name 'scan))
11114 (setq i (cdr gnus-newsgroup-active))
11115 (while (> i (cdr old-active))
11119 (message "No gnus is bad news.")
11120 (gnus-summary-insert-articles new)
11121 (setq gnus-newsgroup-unreads
11122 (gnus-sorted-nunion gnus-newsgroup-unreads new))
11123 (gnus-summary-limit (gnus-sorted-nunion old new))))
11124 (gnus-summary-position-point)))
11126 (gnus-summary-make-all-marking-commands)
11128 (gnus-ems-redefine)
11130 (provide 'gnus-sum)
11132 (run-hooks 'gnus-sum-load-hook)
11134 ;;; gnus-sum.el ends here