1 ;;; gnus-sum.el --- summary mode commands for Semi-gnus
2 ;; Copyright (C) 1996,97,98 Free Software Foundation, Inc.
4 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
5 ;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
6 ;; Keywords: mail, news, MIME
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
29 (eval-when-compile (require 'cl))
39 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
40 (autoload 'gnus-set-summary-default-charset "gnus-i18n" nil t)
42 (defcustom gnus-kill-summary-on-exit t
43 "*If non-nil, kill the summary buffer when you exit from it.
44 If nil, the summary will become a \"*Dead Summary*\" buffer, and
45 it will be killed sometime later."
46 :group 'gnus-summary-exit
49 (defcustom gnus-fetch-old-headers nil
50 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
51 If an unread article in the group refers to an older, already read (or
52 just marked as read) article, the old article will not normally be
53 displayed in the Summary buffer. If this variable is non-nil, Gnus
54 will attempt to grab the headers to the old articles, and thereby
55 build complete threads. If it has the value `some', only enough
56 headers to connect otherwise loose threads will be displayed. This
57 variable can also be a number. In that case, no more than that number
58 of old headers will be fetched. If it has the value `invisible', all
59 old headers will be fetched, but none will be displayed.
61 The server has to support NOV for any of this to work."
63 :type '(choice (const :tag "off" nil)
66 (sexp :menu-tag "other" t)))
68 (defcustom gnus-refer-thread-limit 200
69 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
70 If t, fetch all the available old headers."
73 (sexp :menu-tag "other" t)))
75 (defcustom gnus-summary-make-false-root 'adopt
76 "*nil means that Gnus won't gather loose threads.
77 If the root of a thread has expired or been read in a previous
78 session, the information necessary to build a complete thread has been
79 lost. Instead of having many small sub-threads from this original thread
80 scattered all over the summary buffer, Gnus can gather them.
82 If non-nil, Gnus will try to gather all loose sub-threads from an
83 original thread into one large thread.
85 If this variable is non-nil, it should be one of `none', `adopt',
88 If this variable is `none', Gnus will not make a false root, but just
89 present the sub-threads after another.
90 If this variable is `dummy', Gnus will create a dummy root that will
91 have all the sub-threads as children.
92 If this variable is `adopt', Gnus will make one of the \"children\"
93 the parent and mark all the step-children as such.
94 If this variable is `empty', the \"children\" are printed with empty
95 subject fields. (Or rather, they will be printed with a string
96 given by the `gnus-summary-same-subject' variable.)"
98 :type '(choice (const :tag "off" nil)
104 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
105 "*A regexp to match subjects to be excluded from loose thread gathering.
106 As loose thread gathering is done on subjects only, that means that
107 there can be many false gatherings performed. By rooting out certain
108 common subjects, gathering might become saner."
112 (defcustom gnus-summary-gather-subject-limit nil
113 "*Maximum length of subject comparisons when gathering loose threads.
114 Use nil to compare full subjects. Setting this variable to a low
115 number will help gather threads that have been corrupted by
116 newsreaders chopping off subject lines, but it might also mean that
117 unrelated articles that have subject that happen to begin with the
118 same few characters will be incorrectly gathered.
120 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
123 :type '(choice (const :tag "off" nil)
125 (sexp :menu-tag "on" t)))
127 (defcustom gnus-simplify-subject-functions nil
128 "List of functions taking a string argument that simplify subjects.
129 The functions are applied recursively.
131 Useful functions to put in this list include: `gnus-simplify-subject-re',
132 `gnus-simplify-subject-fuzzy' and `gnus-simplify-whitespace'."
134 :type '(repeat function))
136 (defcustom gnus-simplify-ignored-prefixes nil
137 "*Regexp, matches for which are removed from subject lines when simplifying fuzzily."
139 :type '(choice (const :tag "off" nil)
142 (defcustom gnus-build-sparse-threads nil
143 "*If non-nil, fill in the gaps in threads.
144 If `some', only fill in the gaps that are needed to tie loose threads
145 together. If `more', fill in all leaf nodes that Gnus can find. If
146 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
148 :type '(choice (const :tag "off" nil)
151 (sexp :menu-tag "all" t)))
153 (defcustom gnus-summary-thread-gathering-function
154 'gnus-gather-threads-by-subject
155 "*Function used for gathering loose threads.
156 There are two pre-defined functions: `gnus-gather-threads-by-subject',
157 which only takes Subjects into consideration; and
158 `gnus-gather-threads-by-references', which compared the References
159 headers of the articles to find matches."
161 :type '(radio (function-item gnus-gather-threads-by-subject)
162 (function-item gnus-gather-threads-by-references)
163 (function :tag "other")))
165 (defcustom gnus-summary-same-subject ""
166 "*String indicating that the current article has the same subject as the previous.
167 This variable will only be used if the value of
168 `gnus-summary-make-false-root' is `empty'."
169 :group 'gnus-summary-format
172 (defcustom gnus-summary-goto-unread t
173 "*If t, marking commands will go to the next unread article.
174 If `never', commands that usually go to the next unread article, will
175 go to the next article, whether it is read or not.
176 If nil, only the marking commands will go to the next (un)read article."
177 :group 'gnus-summary-marks
178 :link '(custom-manual "(gnus)Setting Marks")
179 :type '(choice (const :tag "off" nil)
181 (sexp :menu-tag "on" t)))
183 (defcustom gnus-summary-default-score 0
184 "*Default article score level.
185 All scores generated by the score files will be added to this score.
186 If this variable is nil, scoring will be disabled."
187 :group 'gnus-score-default
188 :type '(choice (const :tag "disable")
191 (defcustom gnus-summary-zcore-fuzz 0
192 "*Fuzziness factor for the zcore in the summary buffer.
193 Articles with scores closer than this to `gnus-summary-default-score'
195 :group 'gnus-summary-format
198 (defcustom gnus-simplify-subject-fuzzy-regexp nil
199 "*Strings to be removed when doing fuzzy matches.
200 This can either be a regular expression or list of regular expressions
201 that will be removed from subject strings if fuzzy subject
202 simplification is selected."
204 :type '(repeat regexp))
206 (defcustom gnus-show-threads t
207 "*If non-nil, display threads in summary mode."
211 (defcustom gnus-thread-hide-subtree nil
212 "*If non-nil, hide all threads initially.
213 If threads are hidden, you have to run the command
214 `gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
215 to expose hidden threads."
219 (defcustom gnus-thread-hide-killed t
220 "*If non-nil, hide killed threads automatically."
224 (defcustom gnus-thread-ignore-subject t
225 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
226 If nil, articles that have different subjects from their parents will
227 start separate threads."
231 (defcustom gnus-thread-operation-ignore-subject t
232 "*If non-nil, subjects will be ignored when doing thread commands.
233 This affects commands like `gnus-summary-kill-thread' and
234 `gnus-summary-lower-thread'.
236 If this variable is nil, articles in the same thread with different
237 subjects will not be included in the operation in question. If this
238 variable is `fuzzy', only articles that have subjects that are fuzzily
239 equal will be included."
241 :type '(choice (const :tag "off" nil)
245 (defcustom gnus-thread-indent-level 4
246 "*Number that says how much each sub-thread should be indented."
250 (defcustom gnus-auto-extend-newsgroup t
251 "*If non-nil, extend newsgroup forward and backward when requested."
252 :group 'gnus-summary-choose
255 (defcustom gnus-auto-select-first t
256 "*If nil, don't select the first unread article when entering a group.
257 If this variable is `best', select the highest-scored unread article
258 in the group. If neither nil nor `best', select the first unread
261 If you want to prevent automatic selection of the first unread article
262 in some newsgroups, set the variable to nil in
263 `gnus-select-group-hook'."
264 :group 'gnus-group-select
265 :type '(choice (const :tag "none" nil)
267 (sexp :menu-tag "first" t)))
269 (defcustom gnus-auto-select-next t
270 "*If non-nil, offer to go to the next group from the end of the previous.
271 If the value is t and the next newsgroup is empty, Gnus will exit
272 summary mode and go back to group mode. If the value is neither nil
273 nor t, Gnus will select the following unread newsgroup. In
274 particular, if the value is the symbol `quietly', the next unread
275 newsgroup will be selected without any confirmation, and if it is
276 `almost-quietly', the next group will be selected without any
277 confirmation if you are located on the last article in the group.
278 Finally, if this variable is `slightly-quietly', the `Z n' command
279 will go to the next group without confirmation."
280 :group 'gnus-summary-maneuvering
281 :type '(choice (const :tag "off" nil)
283 (const almost-quietly)
284 (const slightly-quietly)
285 (sexp :menu-tag "on" t)))
287 (defcustom gnus-auto-select-same nil
288 "*If non-nil, select the next article with the same subject.
289 If there are no more articles with the same subject, go to
290 the first unread article."
291 :group 'gnus-summary-maneuvering
294 (defcustom gnus-summary-check-current nil
295 "*If non-nil, consider the current article when moving.
296 The \"unread\" movement commands will stay on the same line if the
297 current article is unread."
298 :group 'gnus-summary-maneuvering
301 (defcustom gnus-auto-center-summary t
302 "*If non-nil, always center the current summary buffer.
303 In particular, if `vertical' do only vertical recentering. If non-nil
304 and non-`vertical', do both horizontal and vertical recentering."
305 :group 'gnus-summary-maneuvering
306 :type '(choice (const :tag "none" nil)
308 (sexp :menu-tag "both" t)))
310 (defcustom gnus-show-all-headers nil
311 "*If non-nil, don't hide any headers."
312 :group 'gnus-article-hiding
313 :group 'gnus-article-headers
316 (defcustom gnus-summary-ignore-duplicates nil
317 "*If non-nil, ignore articles with identical Message-ID headers."
321 (defcustom gnus-single-article-buffer t
322 "*If non-nil, display all articles in the same buffer.
323 If nil, each group will get its own article buffer."
324 :group 'gnus-article-various
327 (defcustom gnus-break-pages t
328 "*If non-nil, do page breaking on articles.
329 The page delimiter is specified by the `gnus-page-delimiter'
331 :group 'gnus-article-various
334 (defcustom gnus-show-mime t
335 "*If non-nil, do mime processing of articles.
336 The articles will simply be fed to the function given by
337 `gnus-show-mime-method'."
338 :group 'gnus-article-mime
341 (defcustom gnus-move-split-methods nil
342 "*Variable used to suggest where articles are to be moved to.
343 It uses the same syntax as the `gnus-split-methods' variable."
344 :group 'gnus-summary-mail
345 :type '(repeat (choice (list :value (fun) function)
346 (cons :value ("" "") regexp (repeat string))
349 (defcustom gnus-unread-mark ?
350 "*Mark used for unread articles."
351 :group 'gnus-summary-marks
354 (defcustom gnus-ticked-mark ?!
355 "*Mark used for ticked articles."
356 :group 'gnus-summary-marks
359 (defcustom gnus-dormant-mark ??
360 "*Mark used for dormant articles."
361 :group 'gnus-summary-marks
364 (defcustom gnus-del-mark ?r
365 "*Mark used for del'd articles."
366 :group 'gnus-summary-marks
369 (defcustom gnus-read-mark ?R
370 "*Mark used for read articles."
371 :group 'gnus-summary-marks
374 (defcustom gnus-expirable-mark ?E
375 "*Mark used for expirable articles."
376 :group 'gnus-summary-marks
379 (defcustom gnus-killed-mark ?K
380 "*Mark used for killed articles."
381 :group 'gnus-summary-marks
384 (defcustom gnus-souped-mark ?F
385 "*Mark used for killed articles."
386 :group 'gnus-summary-marks
389 (defcustom gnus-kill-file-mark ?X
390 "*Mark used for articles killed by kill files."
391 :group 'gnus-summary-marks
394 (defcustom gnus-low-score-mark ?Y
395 "*Mark used for articles with a low score."
396 :group 'gnus-summary-marks
399 (defcustom gnus-catchup-mark ?C
400 "*Mark used for articles that are caught up."
401 :group 'gnus-summary-marks
404 (defcustom gnus-replied-mark ?A
405 "*Mark used for articles that have been replied to."
406 :group 'gnus-summary-marks
409 (defcustom gnus-cached-mark ?*
410 "*Mark used for articles that are in the cache."
411 :group 'gnus-summary-marks
414 (defcustom gnus-saved-mark ?S
415 "*Mark used for articles that have been saved to."
416 :group 'gnus-summary-marks
419 (defcustom gnus-ancient-mark ?O
420 "*Mark used for ancient articles."
421 :group 'gnus-summary-marks
424 (defcustom gnus-sparse-mark ?Q
425 "*Mark used for sparsely reffed articles."
426 :group 'gnus-summary-marks
429 (defcustom gnus-canceled-mark ?G
430 "*Mark used for canceled articles."
431 :group 'gnus-summary-marks
434 (defcustom gnus-duplicate-mark ?M
435 "*Mark used for duplicate articles."
436 :group 'gnus-summary-marks
439 (defcustom gnus-undownloaded-mark ?@
440 "*Mark used for articles that weren't downloaded."
441 :group 'gnus-summary-marks
444 (defcustom gnus-downloadable-mark ?%
445 "*Mark used for articles that are to be downloaded."
446 :group 'gnus-summary-marks
449 (defcustom gnus-unsendable-mark ?=
450 "*Mark used for articles that won't be sent."
451 :group 'gnus-summary-marks
454 (defcustom gnus-score-over-mark ?+
455 "*Score mark used for articles with high scores."
456 :group 'gnus-summary-marks
459 (defcustom gnus-score-below-mark ?-
460 "*Score mark used for articles with low scores."
461 :group 'gnus-summary-marks
464 (defcustom gnus-empty-thread-mark ?
465 "*There is no thread under the article."
466 :group 'gnus-summary-marks
469 (defcustom gnus-not-empty-thread-mark ?=
470 "*There is a thread under the article."
471 :group 'gnus-summary-marks
474 (defcustom gnus-view-pseudo-asynchronously nil
475 "*If non-nil, Gnus will view pseudo-articles asynchronously."
476 :group 'gnus-extract-view
479 (defcustom gnus-view-pseudos nil
480 "*If `automatic', pseudo-articles will be viewed automatically.
481 If `not-confirm', pseudos will be viewed automatically, and the user
482 will not be asked to confirm the command."
483 :group 'gnus-extract-view
484 :type '(choice (const :tag "off" nil)
486 (const not-confirm)))
488 (defcustom gnus-view-pseudos-separately t
489 "*If non-nil, one pseudo-article will be created for each file to be viewed.
490 If nil, all files that use the same viewing command will be given as a
491 list of parameters to that command."
492 :group 'gnus-extract-view
495 (defcustom gnus-insert-pseudo-articles t
496 "*If non-nil, insert pseudo-articles when decoding articles."
497 :group 'gnus-extract-view
500 (defcustom gnus-summary-dummy-line-format
502 "*The format specification for the dummy roots in the summary buffer.
503 It works along the same lines as a normal formatting string,
504 with some simple extensions.
507 :group 'gnus-threading
510 (defcustom gnus-summary-mode-line-format "Gnus: %%b [%A] %Z"
511 "*The format specification for the summary mode line.
512 It works along the same lines as a normal formatting string,
513 with some simple extensions:
516 %p Unprefixed group name
517 %A Current article number
518 %z Current article score
520 %U Number of unread articles in the group
521 %e Number of unselected articles in the group
522 %Z A string with unread/unselected article counts
523 %g Shortish group name
524 %S Subject of the current article
526 %s Current score file name
527 %d Number of dormant articles
528 %r Number of articles that have been marked as read in this session
529 %E Number of articles expunged by the score files"
530 :group 'gnus-summary-format
533 (defcustom gnus-summary-mark-below 0
534 "*Mark all articles with a score below this variable as read.
535 This variable is local to each summary buffer and usually set by the
537 :group 'gnus-score-default
540 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
541 "*List of functions used for sorting articles in the summary buffer.
542 This variable is only used when not using a threaded display."
543 :group 'gnus-summary-sort
544 :type '(repeat (choice (function-item gnus-article-sort-by-number)
545 (function-item gnus-article-sort-by-author)
546 (function-item gnus-article-sort-by-subject)
547 (function-item gnus-article-sort-by-date)
548 (function-item gnus-article-sort-by-score)
549 (function :tag "other"))))
551 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
552 "*List of functions used for sorting threads in the summary buffer.
553 By default, threads are sorted by article number.
555 Each function takes two threads and return non-nil if the first thread
556 should be sorted before the other. If you use more than one function,
557 the primary sort function should be the last. You should probably
558 always include `gnus-thread-sort-by-number' in the list of sorting
559 functions -- preferably first.
561 Ready-made functions include `gnus-thread-sort-by-number',
562 `gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
563 `gnus-thread-sort-by-date', `gnus-thread-sort-by-score' and
564 `gnus-thread-sort-by-total-score' (see `gnus-thread-score-function')."
565 :group 'gnus-summary-sort
566 :type '(repeat (choice (function-item gnus-thread-sort-by-number)
567 (function-item gnus-thread-sort-by-author)
568 (function-item gnus-thread-sort-by-subject)
569 (function-item gnus-thread-sort-by-date)
570 (function-item gnus-thread-sort-by-score)
571 (function-item gnus-thread-sort-by-total-score)
572 (function :tag "other"))))
574 (defcustom gnus-thread-score-function '+
575 "*Function used for calculating the total score of a thread.
577 The function is called with the scores of the article and each
578 subthread and should then return the score of the thread.
580 Some functions you can use are `+', `max', or `min'."
581 :group 'gnus-summary-sort
584 (defcustom gnus-summary-expunge-below nil
585 "All articles that have a score less than this variable will be expunged.
586 This variable is local to the summary buffers."
587 :group 'gnus-score-default
588 :type '(choice (const :tag "off" nil)
591 (defcustom gnus-thread-expunge-below nil
592 "All threads that have a total score less than this variable will be expunged.
593 See `gnus-thread-score-function' for en explanation of what a
596 This variable is local to the summary buffers."
597 :group 'gnus-treading
598 :group 'gnus-score-default
599 :type '(choice (const :tag "off" nil)
602 (defcustom gnus-summary-mode-hook nil
603 "*A hook for Gnus summary mode.
604 This hook is run before any variables are set in the summary buffer."
605 :group 'gnus-summary-various
608 (defcustom gnus-summary-menu-hook nil
609 "*Hook run after the creation of the summary mode menu."
610 :group 'gnus-summary-visual
613 (defcustom gnus-summary-exit-hook nil
614 "*A hook called on exit from the summary buffer.
615 It will be called with point in the group buffer."
616 :group 'gnus-summary-exit
619 (defcustom gnus-summary-prepare-hook nil
620 "*A hook called after the summary buffer has been generated.
621 If you want to modify the summary buffer, you can use this hook."
622 :group 'gnus-summary-various
625 (defcustom gnus-summary-prepared-hook nil
626 "*A hook called as the last thing after the summary buffer has been generated."
627 :group 'gnus-summary-various
630 (defcustom gnus-summary-generate-hook nil
631 "*A hook run just before generating the summary buffer.
632 This hook is commonly used to customize threading variables and the
634 :group 'gnus-summary-various
637 (defcustom gnus-select-group-hook nil
638 "*A hook called when a newsgroup is selected.
640 If you'd like to simplify subjects like the
641 `gnus-summary-next-same-subject' command does, you can use the
644 (setq gnus-select-group-hook
647 (mapcar (lambda (header)
648 (mail-header-set-subject
650 (gnus-simplify-subject
651 (mail-header-subject header) 're-only)))
652 gnus-newsgroup-headers))))"
653 :group 'gnus-group-select
656 (defcustom gnus-select-article-hook nil
657 "*A hook called when an article is selected."
658 :group 'gnus-summary-choose
661 (defcustom gnus-visual-mark-article-hook
662 (list 'gnus-highlight-selected-summary)
663 "*Hook run after selecting an article in the summary buffer.
664 It is meant to be used for highlighting the article in some way. It
665 is not run if `gnus-visual' is nil."
666 :group 'gnus-summary-visual
669 (defcustom gnus-structured-field-decoder
670 #'eword-decode-and-unfold-structured-field
671 "Function to decode non-ASCII characters in structured field for summary."
675 (defcustom gnus-unstructured-field-decoder
678 (eword-decode-unstructured-field-body
679 (std11-unfold-string string) 'must-unfold)
681 "Function to decode non-ASCII characters in unstructured field for summary."
685 (defcustom gnus-parse-headers-hook
686 '(gnus-set-summary-default-charset)
687 "*A hook called before parsing the headers."
691 (defcustom gnus-exit-group-hook nil
692 "*A hook called when exiting (not quitting) summary mode."
696 (defcustom gnus-summary-update-hook
697 (list 'gnus-summary-highlight-line)
698 "*A hook called when a summary line is changed.
699 The hook will not be called if `gnus-visual' is nil.
701 The default function `gnus-summary-highlight-line' will
702 highlight the line according to the `gnus-summary-highlight'
704 :group 'gnus-summary-visual
707 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
708 "*A hook called when an article is selected for the first time.
709 The hook is intended to mark an article as read (or unread)
710 automatically when it is selected."
711 :group 'gnus-summary-choose
714 (defcustom gnus-group-no-more-groups-hook nil
715 "*A hook run when returning to group mode having no more (unread) groups."
716 :group 'gnus-group-select
719 (defcustom gnus-ps-print-hook nil
720 "*A hook run before ps-printing something from Gnus."
724 (defcustom gnus-summary-selected-face 'gnus-summary-selected-face
725 "Face used for highlighting the current article in the summary buffer."
726 :group 'gnus-summary-visual
729 (defcustom gnus-summary-highlight
730 '(((= mark gnus-canceled-mark)
731 . gnus-summary-cancelled-face)
732 ((and (> score default)
733 (or (= mark gnus-dormant-mark)
734 (= mark gnus-ticked-mark)))
735 . gnus-summary-high-ticked-face)
736 ((and (< score default)
737 (or (= mark gnus-dormant-mark)
738 (= mark gnus-ticked-mark)))
739 . gnus-summary-low-ticked-face)
740 ((or (= mark gnus-dormant-mark)
741 (= mark gnus-ticked-mark))
742 . gnus-summary-normal-ticked-face)
743 ((and (> score default) (= mark gnus-ancient-mark))
744 . gnus-summary-high-ancient-face)
745 ((and (< score default) (= mark gnus-ancient-mark))
746 . gnus-summary-low-ancient-face)
747 ((= mark gnus-ancient-mark)
748 . gnus-summary-normal-ancient-face)
749 ((and (> score default) (= mark gnus-unread-mark))
750 . gnus-summary-high-unread-face)
751 ((and (< score default) (= mark gnus-unread-mark))
752 . gnus-summary-low-unread-face)
753 ((= mark gnus-unread-mark)
754 . gnus-summary-normal-unread-face)
755 ((and (> score default) (memq mark (list gnus-downloadable-mark
756 gnus-undownloaded-mark)))
757 . gnus-summary-high-unread-face)
758 ((and (< score default) (memq mark (list gnus-downloadable-mark
759 gnus-undownloaded-mark)))
760 . gnus-summary-low-unread-face)
761 ((memq mark (list gnus-downloadable-mark gnus-undownloaded-mark))
762 . gnus-summary-normal-unread-face)
764 . gnus-summary-high-read-face)
766 . gnus-summary-low-read-face)
768 . gnus-summary-normal-read-face))
769 "*Controls the highlighting of summary buffer lines.
771 A list of (FORM . FACE) pairs. When deciding how a a particular
772 summary line should be displayed, each form is evaluated. The content
773 of the face field after the first true form is used. You can change
774 how those summary lines are displayed, by editing the face field.
776 You can use the following variables in the FORM field.
778 score: The articles score
779 default: The default article score.
780 below: The score below which articles are automatically marked as read.
781 mark: The articles mark."
782 :group 'gnus-summary-visual
783 :type '(repeat (cons (sexp :tag "Form" nil)
786 (defcustom gnus-alter-header-function nil
787 "Function called to allow alteration of article header structures.
788 The function is called with one parameter, the article header vector,
789 which it may alter in any way.")
791 ;;; Internal variables
793 (defvar gnus-scores-exclude-files nil)
794 (defvar gnus-page-broken nil)
796 (defvar gnus-original-article nil)
797 (defvar gnus-article-internal-prepare-hook nil)
798 (defvar gnus-newsgroup-process-stack nil)
800 (defvar gnus-thread-indent-array nil)
801 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
803 ;; Avoid highlighting in kill files.
804 (defvar gnus-summary-inhibit-highlight nil)
805 (defvar gnus-newsgroup-selected-overlay nil)
806 (defvar gnus-inhibit-limiting nil)
807 (defvar gnus-newsgroup-adaptive-score-file nil)
808 (defvar gnus-current-score-file nil)
809 (defvar gnus-current-move-group nil)
810 (defvar gnus-current-copy-group nil)
811 (defvar gnus-current-crosspost-group nil)
813 (defvar gnus-newsgroup-dependencies nil)
814 (defvar gnus-newsgroup-adaptive nil)
815 (defvar gnus-summary-display-article-function nil)
816 (defvar gnus-summary-highlight-line-function nil
817 "Function called after highlighting a summary line.")
819 (defvar gnus-summary-line-format-alist
820 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
821 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
822 (?s gnus-tmp-subject-or-nil ?s)
823 (?n gnus-tmp-name ?s)
824 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
826 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
828 (?F gnus-tmp-from ?s)
829 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
830 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
831 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
832 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
833 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
834 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
835 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
836 (?L gnus-tmp-lines ?d)
837 (?I gnus-tmp-indentation ?s)
838 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
839 (?R gnus-tmp-replied ?c)
840 (?\[ gnus-tmp-opening-bracket ?c)
841 (?\] gnus-tmp-closing-bracket ?c)
842 (?\> (make-string gnus-tmp-level ? ) ?s)
843 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
844 (?i gnus-tmp-score ?d)
845 (?z gnus-tmp-score-char ?c)
846 (?l (bbb-grouplens-score gnus-tmp-header) ?s)
847 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
848 (?U gnus-tmp-unread ?c)
849 (?t (gnus-summary-number-of-articles-in-thread
850 (and (boundp 'thread) (car thread)) gnus-tmp-level)
852 (?e (gnus-summary-number-of-articles-in-thread
853 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
855 (?u gnus-tmp-user-defined ?s)
856 (?P (gnus-pick-line-number) ?d))
857 "An alist of format specifications that can appear in summary lines,
858 and what variables they correspond with, along with the type of the
859 variable (string, integer, character, etc).")
861 (defvar gnus-summary-dummy-line-format-alist
862 `((?S gnus-tmp-subject ?s)
863 (?N gnus-tmp-number ?d)
864 (?u gnus-tmp-user-defined ?s)))
866 (defvar gnus-summary-mode-line-format-alist
867 `((?G gnus-tmp-group-name ?s)
868 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
869 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
870 (?A gnus-tmp-article-number ?d)
871 (?Z gnus-tmp-unread-and-unselected ?s)
873 (?U gnus-tmp-unread-and-unticked ?d)
874 (?S gnus-tmp-subject ?s)
875 (?e gnus-tmp-unselected ?d)
876 (?u gnus-tmp-user-defined ?s)
877 (?d (length gnus-newsgroup-dormant) ?d)
878 (?t (length gnus-newsgroup-marked) ?d)
879 (?r (length gnus-newsgroup-reads) ?d)
880 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
881 (?E gnus-newsgroup-expunged-tally ?d)
882 (?s (gnus-current-score-file-nondirectory) ?s)))
884 (defvar gnus-last-search-regexp nil
885 "Default regexp for article search command.")
887 (defvar gnus-last-shell-command nil
888 "Default shell command on article.")
890 (defvar gnus-newsgroup-begin nil)
891 (defvar gnus-newsgroup-end nil)
892 (defvar gnus-newsgroup-last-rmail nil)
893 (defvar gnus-newsgroup-last-mail nil)
894 (defvar gnus-newsgroup-last-folder nil)
895 (defvar gnus-newsgroup-last-file nil)
896 (defvar gnus-newsgroup-auto-expire nil)
897 (defvar gnus-newsgroup-active nil)
899 (defvar gnus-newsgroup-data nil)
900 (defvar gnus-newsgroup-data-reverse nil)
901 (defvar gnus-newsgroup-limit nil)
902 (defvar gnus-newsgroup-limits nil)
904 (defvar gnus-newsgroup-unreads nil
905 "List of unread articles in the current newsgroup.")
907 (defvar gnus-newsgroup-unselected nil
908 "List of unselected unread articles in the current newsgroup.")
910 (defvar gnus-newsgroup-reads nil
911 "Alist of read articles and article marks in the current newsgroup.")
913 (defvar gnus-newsgroup-expunged-tally nil)
915 (defvar gnus-newsgroup-marked nil
916 "List of ticked articles in the current newsgroup (a subset of unread art).")
918 (defvar gnus-newsgroup-killed nil
919 "List of ranges of articles that have been through the scoring process.")
921 (defvar gnus-newsgroup-cached nil
922 "List of articles that come from the article cache.")
924 (defvar gnus-newsgroup-saved nil
925 "List of articles that have been saved.")
927 (defvar gnus-newsgroup-kill-headers nil)
929 (defvar gnus-newsgroup-replied nil
930 "List of articles that have been replied to in the current newsgroup.")
932 (defvar gnus-newsgroup-expirable nil
933 "List of articles in the current newsgroup that can be expired.")
935 (defvar gnus-newsgroup-processable nil
936 "List of articles in the current newsgroup that can be processed.")
938 (defvar gnus-newsgroup-downloadable nil
939 "List of articles in the current newsgroup that can be processed.")
941 (defvar gnus-newsgroup-undownloaded nil
942 "List of articles in the current newsgroup that haven't been downloaded..")
944 (defvar gnus-newsgroup-unsendable nil
945 "List of articles in the current newsgroup that won't be sent.")
947 (defvar gnus-newsgroup-bookmarks nil
948 "List of articles in the current newsgroup that have bookmarks.")
950 (defvar gnus-newsgroup-dormant nil
951 "List of dormant articles in the current newsgroup.")
953 (defvar gnus-newsgroup-scored nil
954 "List of scored articles in the current newsgroup.")
956 (defvar gnus-newsgroup-headers nil
957 "List of article headers in the current newsgroup.")
959 (defvar gnus-newsgroup-threads nil)
961 (defvar gnus-newsgroup-prepared nil
962 "Whether the current group has been prepared properly.")
964 (defvar gnus-newsgroup-ancient nil
965 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
967 (defvar gnus-newsgroup-sparse nil)
969 (defvar gnus-current-article nil)
970 (defvar gnus-article-current nil)
971 (defvar gnus-current-headers nil)
972 (defvar gnus-have-all-headers nil)
973 (defvar gnus-last-article nil)
974 (defvar gnus-newsgroup-history nil)
976 (defconst gnus-summary-local-variables
977 '(gnus-newsgroup-name
978 gnus-newsgroup-begin gnus-newsgroup-end
979 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
980 gnus-newsgroup-last-folder gnus-newsgroup-last-file
981 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
982 gnus-newsgroup-unselected gnus-newsgroup-marked
983 gnus-newsgroup-reads gnus-newsgroup-saved
984 gnus-newsgroup-replied gnus-newsgroup-expirable
985 gnus-newsgroup-processable gnus-newsgroup-killed
986 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
987 gnus-newsgroup-unsendable
988 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
989 gnus-newsgroup-headers gnus-newsgroup-threads
990 gnus-newsgroup-prepared gnus-summary-highlight-line-function
991 gnus-current-article gnus-current-headers gnus-have-all-headers
992 gnus-last-article gnus-article-internal-prepare-hook
993 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
994 gnus-newsgroup-scored gnus-newsgroup-kill-headers
995 gnus-thread-expunge-below
996 gnus-score-alist gnus-current-score-file gnus-summary-expunge-below
997 (gnus-summary-mark-below . global)
998 gnus-newsgroup-active gnus-scores-exclude-files
999 gnus-newsgroup-history gnus-newsgroup-ancient
1000 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1001 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1002 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1003 (gnus-newsgroup-expunged-tally . 0)
1004 gnus-cache-removable-articles gnus-newsgroup-cached
1005 gnus-newsgroup-data gnus-newsgroup-data-reverse
1006 gnus-newsgroup-limit gnus-newsgroup-limits)
1007 "Variables that are buffer-local to the summary buffers.")
1009 ;; Byte-compiler warning.
1010 (defvar gnus-article-mode-map)
1012 ;; Subject simplification.
1014 (defun gnus-simplify-whitespace (str)
1015 "Remove excessive whitespace."
1018 (while (string-match "[ \t][ \t]+" mystr)
1019 (setq mystr (concat (substring mystr 0 (match-beginning 0))
1021 (substring mystr (match-end 0)))))
1023 (when (string-match "^[ \t]+" mystr)
1024 (setq mystr (substring mystr (match-end 0))))
1026 (when (string-match "[ \t]+$" mystr)
1027 (setq mystr (substring mystr 0 (match-beginning 0))))
1030 (defsubst gnus-simplify-subject-re (subject)
1031 "Remove \"Re:\" from subject lines."
1032 (if (string-match "^[Rr][Ee]: *" subject)
1033 (substring subject (match-end 0))
1036 (defun gnus-simplify-subject (subject &optional re-only)
1037 "Remove `Re:' and words in parentheses.
1038 If RE-ONLY is non-nil, strip leading `Re:'s only."
1039 (let ((case-fold-search t)) ;Ignore case.
1040 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1041 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1042 (setq subject (substring subject (match-end 0))))
1043 ;; Remove uninteresting prefixes.
1044 (when (and (not re-only)
1045 gnus-simplify-ignored-prefixes
1046 (string-match gnus-simplify-ignored-prefixes subject))
1047 (setq subject (substring subject (match-end 0))))
1048 ;; Remove words in parentheses from end.
1050 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1051 (setq subject (substring subject 0 (match-beginning 0)))))
1052 ;; Return subject string.
1055 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1057 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1058 (goto-char (point-min))
1059 (while (re-search-forward regexp nil t)
1060 (replace-match (or newtext ""))))
1062 (defun gnus-simplify-buffer-fuzzy ()
1063 "Simplify string in the buffer fuzzily.
1064 The string in the accessible portion of the current buffer is simplified.
1065 It is assumed to be a single-line subject.
1066 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1067 matter is removed. Additional things can be deleted by setting
1068 gnus-simplify-subject-fuzzy-regexp."
1069 (let ((case-fold-search t)
1071 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1073 (while (not (eq modified-tick (buffer-modified-tick)))
1074 (setq modified-tick (buffer-modified-tick))
1076 ((listp gnus-simplify-subject-fuzzy-regexp)
1077 (mapcar 'gnus-simplify-buffer-fuzzy-step
1078 gnus-simplify-subject-fuzzy-regexp))
1079 (gnus-simplify-subject-fuzzy-regexp
1080 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1081 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1082 (gnus-simplify-buffer-fuzzy-step
1083 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1084 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1086 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1087 (gnus-simplify-buffer-fuzzy-step " +" " ")
1088 (gnus-simplify-buffer-fuzzy-step " $")
1089 (gnus-simplify-buffer-fuzzy-step "^ +")))
1091 (defun gnus-simplify-subject-fuzzy (subject)
1092 "Simplify a subject string fuzzily.
1093 See `gnus-simplify-buffer-fuzzy' for details."
1095 (gnus-set-work-buffer)
1096 (let ((case-fold-search t))
1097 ;; Remove uninteresting prefixes.
1098 (when (and gnus-simplify-ignored-prefixes
1099 (string-match gnus-simplify-ignored-prefixes subject))
1100 (setq subject (substring subject (match-end 0))))
1102 (inline (gnus-simplify-buffer-fuzzy))
1105 (defsubst gnus-simplify-subject-fully (subject)
1106 "Simplify a subject string according to gnus-summary-gather-subject-limit."
1108 (gnus-simplify-subject-functions
1109 (gnus-map-function gnus-simplify-subject-functions subject))
1110 ((null gnus-summary-gather-subject-limit)
1111 (gnus-simplify-subject-re subject))
1112 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1113 (gnus-simplify-subject-fuzzy subject))
1114 ((numberp gnus-summary-gather-subject-limit)
1115 (gnus-limit-string (gnus-simplify-subject-re subject)
1116 gnus-summary-gather-subject-limit))
1120 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1121 "Check whether two subjects are equal.
1122 If optional argument simple-first is t, first argument is already
1125 ((null simple-first)
1126 (equal (gnus-simplify-subject-fully s1)
1127 (gnus-simplify-subject-fully s2)))
1130 (gnus-simplify-subject-fully s2)))))
1132 (defun gnus-summary-bubble-group ()
1133 "Increase the score of the current group.
1134 This is a handy function to add to `gnus-summary-exit-hook' to
1135 increase the score of each group you read."
1136 (gnus-group-add-score gnus-newsgroup-name))
1140 ;;; Gnus summary mode
1143 (put 'gnus-summary-mode 'mode-class 'special)
1146 ;; Non-orthogonal keys
1148 (gnus-define-keys gnus-summary-mode-map
1149 " " gnus-summary-next-page
1150 "\177" gnus-summary-prev-page
1151 [delete] gnus-summary-prev-page
1152 [backspace] gnus-summary-prev-page
1153 "\r" gnus-summary-scroll-up
1154 "\e\r" gnus-summary-scroll-down
1155 "n" gnus-summary-next-unread-article
1156 "p" gnus-summary-prev-unread-article
1157 "N" gnus-summary-next-article
1158 "P" gnus-summary-prev-article
1159 "\M-\C-n" gnus-summary-next-same-subject
1160 "\M-\C-p" gnus-summary-prev-same-subject
1161 "\M-n" gnus-summary-next-unread-subject
1162 "\M-p" gnus-summary-prev-unread-subject
1163 "." gnus-summary-first-unread-article
1164 "," gnus-summary-best-unread-article
1165 "\M-s" gnus-summary-search-article-forward
1166 "\M-r" gnus-summary-search-article-backward
1167 "<" gnus-summary-beginning-of-article
1168 ">" gnus-summary-end-of-article
1169 "j" gnus-summary-goto-article
1170 "^" gnus-summary-refer-parent-article
1171 "\M-^" gnus-summary-refer-article
1172 "u" gnus-summary-tick-article-forward
1173 "!" gnus-summary-tick-article-forward
1174 "U" gnus-summary-tick-article-backward
1175 "d" gnus-summary-mark-as-read-forward
1176 "D" gnus-summary-mark-as-read-backward
1177 "E" gnus-summary-mark-as-expirable
1178 "\M-u" gnus-summary-clear-mark-forward
1179 "\M-U" gnus-summary-clear-mark-backward
1180 "k" gnus-summary-kill-same-subject-and-select
1181 "\C-k" gnus-summary-kill-same-subject
1182 "\M-\C-k" gnus-summary-kill-thread
1183 "\M-\C-l" gnus-summary-lower-thread
1184 "e" gnus-summary-edit-article
1185 "#" gnus-summary-mark-as-processable
1186 "\M-#" gnus-summary-unmark-as-processable
1187 "\M-\C-t" gnus-summary-toggle-threads
1188 "\M-\C-s" gnus-summary-show-thread
1189 "\M-\C-h" gnus-summary-hide-thread
1190 "\M-\C-f" gnus-summary-next-thread
1191 "\M-\C-b" gnus-summary-prev-thread
1192 "\M-\C-u" gnus-summary-up-thread
1193 "\M-\C-d" gnus-summary-down-thread
1194 "&" gnus-summary-execute-command
1195 "c" gnus-summary-catchup-and-exit
1196 "\C-w" gnus-summary-mark-region-as-read
1197 "\C-t" gnus-summary-toggle-truncation
1198 "?" gnus-summary-mark-as-dormant
1199 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1200 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1201 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1202 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1203 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1204 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1205 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1206 "=" gnus-summary-expand-window
1207 "\C-x\C-s" gnus-summary-reselect-current-group
1208 "\M-g" gnus-summary-rescan-group
1209 "w" gnus-summary-stop-page-breaking
1210 "\C-c\C-r" gnus-summary-caesar-message
1211 "\M-t" gnus-summary-toggle-mime
1212 "f" gnus-summary-followup
1213 "F" gnus-summary-followup-with-original
1214 "C" gnus-summary-cancel-article
1215 "r" gnus-summary-reply
1216 "R" gnus-summary-reply-with-original
1217 "\C-c\C-f" gnus-summary-mail-forward
1218 "o" gnus-summary-save-article
1219 "\C-o" gnus-summary-save-article-mail
1220 "|" gnus-summary-pipe-output
1221 "\M-k" gnus-summary-edit-local-kill
1222 "\M-K" gnus-summary-edit-global-kill
1224 "\C-c\C-d" gnus-summary-describe-group
1225 "q" gnus-summary-exit
1226 "Q" gnus-summary-exit-no-update
1227 "\C-c\C-i" gnus-info-find-node
1228 gnus-mouse-2 gnus-mouse-pick-article
1229 "m" gnus-summary-mail-other-window
1230 "a" gnus-summary-post-news
1231 "x" gnus-summary-limit-to-unread
1232 "s" gnus-summary-isearch-article
1233 "t" gnus-article-hide-headers
1234 "g" gnus-summary-show-article
1235 "l" gnus-summary-goto-last-article
1236 "v" gnus-summary-preview-mime-message
1237 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1238 "\C-d" gnus-summary-enter-digest-group
1239 "\M-\C-d" gnus-summary-read-document
1240 "\M-\C-e" gnus-summary-edit-parameters
1242 "*" gnus-cache-enter-article
1243 "\M-*" gnus-cache-remove-article
1244 "\M-&" gnus-summary-universal-argument
1245 "\C-l" gnus-recenter
1246 "I" gnus-summary-increase-score
1247 "L" gnus-summary-lower-score
1248 "\M-i" gnus-symbolic-argument
1249 "h" gnus-summary-select-article-buffer
1251 "V" gnus-summary-score-map
1252 "X" gnus-uu-extract-map
1253 "S" gnus-summary-send-map)
1255 ;; Sort of orthogonal keymap
1256 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1257 "t" gnus-summary-tick-article-forward
1258 "!" gnus-summary-tick-article-forward
1259 "d" gnus-summary-mark-as-read-forward
1260 "r" gnus-summary-mark-as-read-forward
1261 "c" gnus-summary-clear-mark-forward
1262 " " gnus-summary-clear-mark-forward
1263 "e" gnus-summary-mark-as-expirable
1264 "x" gnus-summary-mark-as-expirable
1265 "?" gnus-summary-mark-as-dormant
1266 "b" gnus-summary-set-bookmark
1267 "B" gnus-summary-remove-bookmark
1268 "#" gnus-summary-mark-as-processable
1269 "\M-#" gnus-summary-unmark-as-processable
1270 "S" gnus-summary-limit-include-expunged
1271 "C" gnus-summary-catchup
1272 "H" gnus-summary-catchup-to-here
1273 "\C-c" gnus-summary-catchup-all
1274 "k" gnus-summary-kill-same-subject-and-select
1275 "K" gnus-summary-kill-same-subject
1276 "P" gnus-uu-mark-map)
1278 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1279 "c" gnus-summary-clear-above
1280 "u" gnus-summary-tick-above
1281 "m" gnus-summary-mark-above
1282 "k" gnus-summary-kill-below)
1284 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1285 "/" gnus-summary-limit-to-subject
1286 "n" gnus-summary-limit-to-articles
1287 "w" gnus-summary-pop-limit
1288 "s" gnus-summary-limit-to-subject
1289 "a" gnus-summary-limit-to-author
1290 "u" gnus-summary-limit-to-unread
1291 "m" gnus-summary-limit-to-marks
1292 "v" gnus-summary-limit-to-score
1293 "*" gnus-summary-limit-include-cached
1294 "D" gnus-summary-limit-include-dormant
1295 "T" gnus-summary-limit-include-thread
1296 "d" gnus-summary-limit-exclude-dormant
1297 "t" gnus-summary-limit-to-age
1298 "E" gnus-summary-limit-include-expunged
1299 "c" gnus-summary-limit-exclude-childless-dormant
1300 "C" gnus-summary-limit-mark-excluded-as-read)
1302 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1303 "n" gnus-summary-next-unread-article
1304 "p" gnus-summary-prev-unread-article
1305 "N" gnus-summary-next-article
1306 "P" gnus-summary-prev-article
1307 "\C-n" gnus-summary-next-same-subject
1308 "\C-p" gnus-summary-prev-same-subject
1309 "\M-n" gnus-summary-next-unread-subject
1310 "\M-p" gnus-summary-prev-unread-subject
1311 "f" gnus-summary-first-unread-article
1312 "b" gnus-summary-best-unread-article
1313 "j" gnus-summary-goto-article
1314 "g" gnus-summary-goto-subject
1315 "l" gnus-summary-goto-last-article
1316 "o" gnus-summary-pop-article)
1318 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1319 "k" gnus-summary-kill-thread
1320 "l" gnus-summary-lower-thread
1321 "i" gnus-summary-raise-thread
1322 "T" gnus-summary-toggle-threads
1323 "t" gnus-summary-rethread-current
1324 "^" gnus-summary-reparent-thread
1325 "s" gnus-summary-show-thread
1326 "S" gnus-summary-show-all-threads
1327 "h" gnus-summary-hide-thread
1328 "H" gnus-summary-hide-all-threads
1329 "n" gnus-summary-next-thread
1330 "p" gnus-summary-prev-thread
1331 "u" gnus-summary-up-thread
1332 "o" gnus-summary-top-thread
1333 "d" gnus-summary-down-thread
1334 "#" gnus-uu-mark-thread
1335 "\M-#" gnus-uu-unmark-thread)
1337 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1338 "g" gnus-summary-prepare
1339 "c" gnus-summary-insert-cached-articles)
1341 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1342 "c" gnus-summary-catchup-and-exit
1343 "C" gnus-summary-catchup-all-and-exit
1344 "E" gnus-summary-exit-no-update
1345 "Q" gnus-summary-exit
1346 "Z" gnus-summary-exit
1347 "n" gnus-summary-catchup-and-goto-next-group
1348 "R" gnus-summary-reselect-current-group
1349 "G" gnus-summary-rescan-group
1350 "N" gnus-summary-next-group
1351 "s" gnus-summary-save-newsrc
1352 "P" gnus-summary-prev-group)
1354 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1355 " " gnus-summary-next-page
1356 "n" gnus-summary-next-page
1357 "\177" gnus-summary-prev-page
1358 [delete] gnus-summary-prev-page
1359 "p" gnus-summary-prev-page
1360 "\r" gnus-summary-scroll-up
1361 "<" gnus-summary-beginning-of-article
1362 ">" gnus-summary-end-of-article
1363 "b" gnus-summary-beginning-of-article
1364 "e" gnus-summary-end-of-article
1365 "^" gnus-summary-refer-parent-article
1366 "r" gnus-summary-refer-parent-article
1367 "R" gnus-summary-refer-references
1368 "T" gnus-summary-refer-thread
1369 "g" gnus-summary-show-article
1370 "s" gnus-summary-isearch-article
1371 "P" gnus-summary-print-article)
1373 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1374 "b" gnus-article-add-buttons
1375 "B" gnus-article-add-buttons-to-head
1376 "o" gnus-article-treat-overstrike
1377 "e" gnus-article-emphasize
1378 "w" gnus-article-fill-cited-article
1379 "c" gnus-article-remove-cr
1380 "f" gnus-article-display-x-face
1381 "l" gnus-summary-stop-page-breaking
1382 "r" gnus-summary-caesar-message
1383 "t" gnus-article-hide-headers
1384 "v" gnus-summary-verbose-headers
1385 "m" gnus-summary-toggle-mime
1386 "h" gnus-article-treat-html
1387 "d" gnus-article-treat-dumbquotes)
1389 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1390 "a" gnus-article-hide
1391 "h" gnus-article-hide-headers
1392 "b" gnus-article-hide-boring-headers
1393 "s" gnus-article-hide-signature
1394 "c" gnus-article-hide-citation
1395 "p" gnus-article-hide-pgp
1396 "P" gnus-article-hide-pem
1397 "\C-c" gnus-article-hide-citation-maybe)
1399 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1400 "a" gnus-article-highlight
1401 "h" gnus-article-highlight-headers
1402 "c" gnus-article-highlight-citation
1403 "s" gnus-article-highlight-signature)
1405 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
1406 "z" gnus-article-date-ut
1407 "u" gnus-article-date-ut
1408 "l" gnus-article-date-local
1409 "e" gnus-article-date-lapsed
1410 "o" gnus-article-date-original
1411 "i" gnus-article-date-iso8601
1412 "s" gnus-article-date-user)
1414 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
1415 "t" gnus-article-remove-trailing-blank-lines
1416 "l" gnus-article-strip-leading-blank-lines
1417 "m" gnus-article-strip-multiple-blank-lines
1418 "a" gnus-article-strip-blank-lines
1419 "A" gnus-article-strip-all-blank-lines
1420 "s" gnus-article-strip-leading-space)
1422 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
1424 "f" gnus-summary-fetch-faq
1425 "d" gnus-summary-describe-group
1426 "h" gnus-summary-describe-briefly
1427 "i" gnus-info-find-node)
1429 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
1430 "e" gnus-summary-expire-articles
1431 "\M-\C-e" gnus-summary-expire-articles-now
1432 "\177" gnus-summary-delete-article
1433 [delete] gnus-summary-delete-article
1434 "m" gnus-summary-move-article
1435 "r" gnus-summary-respool-article
1436 "w" gnus-summary-edit-article
1437 "c" gnus-summary-copy-article
1438 "B" gnus-summary-crosspost-article
1439 "q" gnus-summary-respool-query
1440 "t" gnus-summary-respool-trace
1441 "i" gnus-summary-import-article
1442 "p" gnus-summary-article-posted-p)
1444 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
1445 "o" gnus-summary-save-article
1446 "m" gnus-summary-save-article-mail
1447 "F" gnus-summary-write-article-file
1448 "r" gnus-summary-save-article-rmail
1449 "f" gnus-summary-save-article-file
1450 "b" gnus-summary-save-article-body-file
1451 "h" gnus-summary-save-article-folder
1452 "v" gnus-summary-save-article-vm
1453 "p" gnus-summary-pipe-output
1454 "s" gnus-soup-add-article))
1456 (defun gnus-summary-make-menu-bar ()
1457 (gnus-turn-off-edit-menu 'summary)
1459 (unless (boundp 'gnus-summary-misc-menu)
1462 gnus-summary-kill-menu gnus-summary-mode-map ""
1467 ["Enter score..." gnus-summary-score-entry t]
1468 ["Customize" gnus-score-customize t])
1469 (gnus-make-score-map 'increase)
1470 (gnus-make-score-map 'lower)
1472 ["Kill below" gnus-summary-kill-below t]
1473 ["Mark above" gnus-summary-mark-above t]
1474 ["Tick above" gnus-summary-tick-above t]
1475 ["Clear above" gnus-summary-clear-above t])
1476 ["Current score" gnus-summary-current-score t]
1477 ["Set score" gnus-summary-set-score t]
1478 ["Switch current score file..." gnus-score-change-score-file t]
1479 ["Set mark below..." gnus-score-set-mark-below t]
1480 ["Set expunge below..." gnus-score-set-expunge-below t]
1481 ["Edit current score file" gnus-score-edit-current-scores t]
1482 ["Edit score file" gnus-score-edit-file t]
1483 ["Trace score" gnus-score-find-trace t]
1484 ["Find words" gnus-score-find-favourite-words t]
1485 ["Rescore buffer" gnus-summary-rescore t]
1486 ["Increase score..." gnus-summary-increase-score t]
1487 ["Lower score..." gnus-summary-lower-score t]))))
1489 ;; Define both the Article menu in the summary buffer and the equivalent
1490 ;; Commands menu in the article buffer here for consistency.
1493 ["All" gnus-article-hide t]
1494 ["Headers" gnus-article-hide-headers t]
1495 ["Signature" gnus-article-hide-signature t]
1496 ["Citation" gnus-article-hide-citation t]
1497 ["PGP" gnus-article-hide-pgp t]
1498 ["Boring headers" gnus-article-hide-boring-headers t])
1500 ["All" gnus-article-highlight t]
1501 ["Headers" gnus-article-highlight-headers t]
1502 ["Signature" gnus-article-highlight-signature t]
1503 ["Citation" gnus-article-highlight-citation t])
1505 ["Local" gnus-article-date-local t]
1506 ["ISO8601" gnus-article-date-iso8601 t]
1507 ["UT" gnus-article-date-ut t]
1508 ["Original" gnus-article-date-original t]
1509 ["Lapsed" gnus-article-date-lapsed t]
1510 ["User-defined" gnus-article-date-user t])
1513 ["Leading" gnus-article-strip-leading-blank-lines t]
1514 ["Multiple" gnus-article-strip-multiple-blank-lines t]
1515 ["Trailing" gnus-article-remove-trailing-blank-lines t]
1516 ["All of the above" gnus-article-strip-blank-lines t]
1517 ["All" gnus-article-strip-all-blank-lines t]
1518 ["Leading space" gnus-article-strip-leading-space t])
1519 ["Overstrike" gnus-article-treat-overstrike t]
1520 ["Dumb quotes" gnus-article-treat-dumbquotes t]
1521 ["Emphasis" gnus-article-emphasize t]
1522 ["Word wrap" gnus-article-fill-cited-article t]
1523 ["CR" gnus-article-remove-cr t]
1524 ["Show X-Face" gnus-article-display-x-face t]
1525 ["UnHTMLize" gnus-article-treat-html t]
1526 ["Rot 13" gnus-summary-caesar-message t]
1527 ["Unix pipe" gnus-summary-pipe-message t]
1528 ["Add buttons" gnus-article-add-buttons t]
1529 ["Add buttons to head" gnus-article-add-buttons-to-head t]
1530 ["Stop page breaking" gnus-summary-stop-page-breaking t]
1531 ["Toggle MIME" gnus-summary-toggle-mime t]
1532 ["Verbose header" gnus-summary-verbose-headers t]
1533 ["Toggle header" gnus-summary-toggle-header t])
1535 ["Save in default format" gnus-summary-save-article t]
1536 ["Save in file" gnus-summary-save-article-file t]
1537 ["Save in Unix mail format" gnus-summary-save-article-mail t]
1538 ["Save in MH folder" gnus-summary-save-article-folder t]
1539 ["Save in VM folder" gnus-summary-save-article-vm t]
1540 ["Save in RMAIL mbox" gnus-summary-save-article-rmail t]
1541 ["Save body in file" gnus-summary-save-article-body-file t]
1542 ["Pipe through a filter" gnus-summary-pipe-output t]
1543 ["Add to SOUP packet" gnus-soup-add-article t]
1544 ["Print" gnus-summary-print-article t])
1546 ["Respool article..." gnus-summary-respool-article t]
1547 ["Move article..." gnus-summary-move-article
1548 (gnus-check-backend-function
1549 'request-move-article gnus-newsgroup-name)]
1550 ["Copy article..." gnus-summary-copy-article t]
1551 ["Crosspost article..." gnus-summary-crosspost-article
1552 (gnus-check-backend-function
1553 'request-replace-article gnus-newsgroup-name)]
1554 ["Import file..." gnus-summary-import-article t]
1555 ["Check if posted" gnus-summary-article-posted-p t]
1556 ["Edit article" gnus-summary-edit-article
1557 (not (gnus-group-read-only-p))]
1558 ["Delete article" gnus-summary-delete-article
1559 (gnus-check-backend-function
1560 'request-expire-articles gnus-newsgroup-name)]
1561 ["Query respool" gnus-summary-respool-query t]
1562 ["Trace respool" gnus-summary-respool-trace t]
1563 ["Delete expirable articles" gnus-summary-expire-articles-now
1564 (gnus-check-backend-function
1565 'request-expire-articles gnus-newsgroup-name)])
1567 ["Uudecode" gnus-uu-decode-uu t]
1568 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
1569 ["Unshar" gnus-uu-decode-unshar t]
1570 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
1571 ["Save" gnus-uu-decode-save t]
1572 ["Binhex" gnus-uu-decode-binhex t]
1573 ["Postscript" gnus-uu-decode-postscript t])
1575 ["Enter article" gnus-cache-enter-article t]
1576 ["Remove article" gnus-cache-remove-article t])
1577 ["Select article buffer" gnus-summary-select-article-buffer t]
1578 ["Enter digest buffer" gnus-summary-enter-digest-group t]
1579 ["Isearch article..." gnus-summary-isearch-article t]
1580 ["Beginning of the article" gnus-summary-beginning-of-article t]
1581 ["End of the article" gnus-summary-end-of-article t]
1582 ["Fetch parent of article" gnus-summary-refer-parent-article t]
1583 ["Fetch referenced articles" gnus-summary-refer-references t]
1584 ["Fetch current thread" gnus-summary-refer-thread t]
1585 ["Fetch article with id..." gnus-summary-refer-article t]
1586 ["Redisplay" gnus-summary-show-article t])))
1588 gnus-summary-article-menu gnus-summary-mode-map ""
1589 (cons "Article" innards))
1592 gnus-article-commands-menu gnus-article-mode-map ""
1593 (cons "Commands" innards)))
1596 gnus-summary-thread-menu gnus-summary-mode-map ""
1598 ["Toggle threading" gnus-summary-toggle-threads t]
1599 ["Hide threads" gnus-summary-hide-all-threads t]
1600 ["Show threads" gnus-summary-show-all-threads t]
1601 ["Hide thread" gnus-summary-hide-thread t]
1602 ["Show thread" gnus-summary-show-thread t]
1603 ["Go to next thread" gnus-summary-next-thread t]
1604 ["Go to previous thread" gnus-summary-prev-thread t]
1605 ["Go down thread" gnus-summary-down-thread t]
1606 ["Go up thread" gnus-summary-up-thread t]
1607 ["Top of thread" gnus-summary-top-thread t]
1608 ["Mark thread as read" gnus-summary-kill-thread t]
1609 ["Lower thread score" gnus-summary-lower-thread t]
1610 ["Raise thread score" gnus-summary-raise-thread t]
1611 ["Rethread current" gnus-summary-rethread-current t]
1615 gnus-summary-post-menu gnus-summary-mode-map ""
1617 ["Post an article" gnus-summary-post-news t]
1618 ["Followup" gnus-summary-followup t]
1619 ["Followup and yank" gnus-summary-followup-with-original t]
1620 ["Supersede article" gnus-summary-supersede-article t]
1621 ["Cancel article" gnus-summary-cancel-article t]
1622 ["Reply" gnus-summary-reply t]
1623 ["Reply and yank" gnus-summary-reply-with-original t]
1624 ["Wide reply" gnus-summary-wide-reply t]
1625 ["Wide reply and yank" gnus-summary-wide-reply-with-original t]
1626 ["Mail forward" gnus-summary-mail-forward t]
1627 ["Post forward" gnus-summary-post-forward t]
1628 ["Digest and mail" gnus-uu-digest-mail-forward t]
1629 ["Digest and post" gnus-uu-digest-post-forward t]
1630 ["Resend message" gnus-summary-resend-message t]
1631 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
1632 ["Send a mail" gnus-summary-mail-other-window t]
1633 ["Uuencode and post" gnus-uu-post-news t]
1634 ["Followup via news" gnus-summary-followup-to-mail t]
1635 ["Followup via news and yank"
1636 gnus-summary-followup-to-mail-with-original t]
1638 ;;["Send" gnus-summary-send-draft t]
1639 ;;["Send bounced" gnus-resend-bounced-mail t])
1643 gnus-summary-misc-menu gnus-summary-mode-map ""
1646 ["Mark as read" gnus-summary-mark-as-read-forward t]
1647 ["Mark same subject and select"
1648 gnus-summary-kill-same-subject-and-select t]
1649 ["Mark same subject" gnus-summary-kill-same-subject t]
1650 ["Catchup" gnus-summary-catchup t]
1651 ["Catchup all" gnus-summary-catchup-all t]
1652 ["Catchup to here" gnus-summary-catchup-to-here t]
1653 ["Catchup region" gnus-summary-mark-region-as-read t]
1654 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
1656 ["Tick" gnus-summary-tick-article-forward t]
1657 ["Mark as dormant" gnus-summary-mark-as-dormant t]
1658 ["Remove marks" gnus-summary-clear-mark-forward t]
1659 ["Set expirable mark" gnus-summary-mark-as-expirable t]
1660 ["Set bookmark" gnus-summary-set-bookmark t]
1661 ["Remove bookmark" gnus-summary-remove-bookmark t])
1663 ["Marks..." gnus-summary-limit-to-marks t]
1664 ["Subject..." gnus-summary-limit-to-subject t]
1665 ["Author..." gnus-summary-limit-to-author t]
1666 ["Age..." gnus-summary-limit-to-age t]
1667 ["Score" gnus-summary-limit-to-score t]
1668 ["Unread" gnus-summary-limit-to-unread t]
1669 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
1670 ["Articles" gnus-summary-limit-to-articles t]
1671 ["Pop limit" gnus-summary-pop-limit t]
1672 ["Show dormant" gnus-summary-limit-include-dormant t]
1673 ["Hide childless dormant"
1674 gnus-summary-limit-exclude-childless-dormant t]
1675 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
1676 ["Show expunged" gnus-summary-show-all-expunged t])
1678 ["Set mark" gnus-summary-mark-as-processable t]
1679 ["Remove mark" gnus-summary-unmark-as-processable t]
1680 ["Remove all marks" gnus-summary-unmark-all-processable t]
1681 ["Mark above" gnus-uu-mark-over t]
1682 ["Mark series" gnus-uu-mark-series t]
1683 ["Mark region" gnus-uu-mark-region t]
1684 ["Unmark region" gnus-uu-unmark-region t]
1685 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
1686 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
1687 ["Mark all" gnus-uu-mark-all t]
1688 ["Mark buffer" gnus-uu-mark-buffer t]
1689 ["Mark sparse" gnus-uu-mark-sparse t]
1690 ["Mark thread" gnus-uu-mark-thread t]
1691 ["Unmark thread" gnus-uu-unmark-thread t]
1692 ("Process Mark Sets"
1693 ["Kill" gnus-summary-kill-process-mark t]
1694 ["Yank" gnus-summary-yank-process-mark
1695 gnus-newsgroup-process-stack]
1696 ["Save" gnus-summary-save-process-mark t]))
1698 ["Page forward" gnus-summary-next-page t]
1699 ["Page backward" gnus-summary-prev-page t]
1700 ["Line forward" gnus-summary-scroll-up t])
1702 ["Next unread article" gnus-summary-next-unread-article t]
1703 ["Previous unread article" gnus-summary-prev-unread-article t]
1704 ["Next article" gnus-summary-next-article t]
1705 ["Previous article" gnus-summary-prev-article t]
1706 ["Next unread subject" gnus-summary-next-unread-subject t]
1707 ["Previous unread subject" gnus-summary-prev-unread-subject t]
1708 ["Next article same subject" gnus-summary-next-same-subject t]
1709 ["Previous article same subject" gnus-summary-prev-same-subject t]
1710 ["First unread article" gnus-summary-first-unread-article t]
1711 ["Best unread article" gnus-summary-best-unread-article t]
1712 ["Go to subject number..." gnus-summary-goto-subject t]
1713 ["Go to article number..." gnus-summary-goto-article t]
1714 ["Go to the last article" gnus-summary-goto-last-article t]
1715 ["Pop article off history" gnus-summary-pop-article t])
1717 ["Sort by number" gnus-summary-sort-by-number t]
1718 ["Sort by author" gnus-summary-sort-by-author t]
1719 ["Sort by subject" gnus-summary-sort-by-subject t]
1720 ["Sort by date" gnus-summary-sort-by-date t]
1721 ["Sort by score" gnus-summary-sort-by-score t]
1722 ["Sort by lines" gnus-summary-sort-by-lines t])
1724 ["Fetch group FAQ" gnus-summary-fetch-faq t]
1725 ["Describe group" gnus-summary-describe-group t]
1726 ["Read manual" gnus-info-find-node t])
1728 ["Pick and read" gnus-pick-mode t]
1729 ["Binary" gnus-binary-mode t])
1731 ["Regenerate" gnus-summary-prepare t]
1732 ["Insert cached articles" gnus-summary-insert-cached-articles t]
1733 ["Toggle threading" gnus-summary-toggle-threads t])
1734 ["Filter articles..." gnus-summary-execute-command t]
1735 ["Run command on subjects..." gnus-summary-universal-argument t]
1736 ["Search articles forward..." gnus-summary-search-article-forward t]
1737 ["Search articles backward..." gnus-summary-search-article-backward t]
1738 ["Toggle line truncation" gnus-summary-toggle-truncation t]
1739 ["Expand window" gnus-summary-expand-window t]
1740 ["Expire expirable articles" gnus-summary-expire-articles
1741 (gnus-check-backend-function
1742 'request-expire-articles gnus-newsgroup-name)]
1743 ["Edit local kill file" gnus-summary-edit-local-kill t]
1744 ["Edit main kill file" gnus-summary-edit-global-kill t]
1745 ["Edit group parameters" gnus-summary-edit-parameters t]
1746 ["Send a bug report" gnus-bug t]
1748 ["Catchup and exit" gnus-summary-catchup-and-exit t]
1749 ["Catchup all and exit" gnus-summary-catchup-and-exit t]
1750 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
1751 ["Exit group" gnus-summary-exit t]
1752 ["Exit group without updating" gnus-summary-exit-no-update t]
1753 ["Exit and goto next group" gnus-summary-next-group t]
1754 ["Exit and goto prev group" gnus-summary-prev-group t]
1755 ["Reselect group" gnus-summary-reselect-current-group t]
1756 ["Rescan group" gnus-summary-rescan-group t]
1757 ["Update dribble" gnus-summary-save-newsrc t])))
1759 (gnus-run-hooks 'gnus-summary-menu-hook)))
1761 (defun gnus-score-set-default (var value)
1762 "A version of set that updates the GNU Emacs menu-bar."
1764 ;; It is the message that forces the active status to be updated.
1767 (defun gnus-make-score-map (type)
1768 "Make a summary score map of type TYPE."
1771 (let ((headers '(("author" "from" string)
1772 ("subject" "subject" string)
1773 ("article body" "body" string)
1774 ("article head" "head" string)
1775 ("xref" "xref" string)
1776 ("lines" "lines" number)
1777 ("followups to author" "followup" string)))
1778 (types '((number ("less than" <)
1781 (string ("substring" s)
1785 (perms '(("temporary" (current-time-string))
1793 (if (eq type 'lower)
1798 (setq header (car headers))
1804 (let ((ts (cdr (assoc (nth 2 header) types)))
1820 'gnus-summary-score-entry
1822 (if (or (string= (nth 1 header)
1824 (string= (nth 1 header)
1827 (list 'gnus-summary-header
1829 (list 'quote (nth 1 (car ts)))
1830 (list 'gnus-score-default nil)
1836 (list (nreverse outp))))
1839 (list (nreverse outt))))
1841 (setq headers (cdr headers)))
1842 (list (nreverse outh))))))))
1846 (defun gnus-summary-mode (&optional group)
1847 "Major mode for reading articles.
1849 All normal editing commands are switched off.
1850 \\<gnus-summary-mode-map>
1851 Each line in this buffer represents one article. To read an
1852 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
1853 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
1856 You can also post articles and send mail from this buffer. To
1857 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
1858 of an article, type `\\[gnus-summary-reply]'.
1860 There are approx. one gazillion commands you can execute in this
1861 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
1863 The following commands are available:
1865 \\{gnus-summary-mode-map}"
1867 (when (gnus-visual-p 'summary-menu 'menu)
1868 (gnus-summary-make-menu-bar))
1869 (kill-all-local-variables)
1870 (gnus-summary-make-local-variables)
1871 (gnus-make-thread-indent-array)
1872 (gnus-simplify-mode-line)
1873 (setq major-mode 'gnus-summary-mode)
1874 (setq mode-name "Summary")
1875 (make-local-variable 'minor-mode-alist)
1876 (use-local-map gnus-summary-mode-map)
1877 (buffer-disable-undo (current-buffer))
1878 (setq buffer-read-only t) ;Disable modification
1879 (setq truncate-lines t)
1880 (setq selective-display t)
1881 (setq selective-display-ellipses t) ;Display `...'
1882 (gnus-summary-set-display-table)
1883 (gnus-set-default-directory)
1884 (setq gnus-newsgroup-name group)
1885 (make-local-variable 'gnus-summary-line-format)
1886 (make-local-variable 'gnus-summary-line-format-spec)
1887 (make-local-variable 'gnus-summary-dummy-line-format)
1888 (make-local-variable 'gnus-summary-dummy-line-format-spec)
1889 (make-local-variable 'gnus-summary-mark-positions)
1890 (make-local-hook 'post-command-hook)
1891 (add-hook 'post-command-hook 'gnus-clear-inboxes-moved nil t)
1892 (make-local-hook 'pre-command-hook)
1893 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
1894 (gnus-run-hooks 'gnus-summary-mode-hook)
1895 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
1896 (gnus-update-summary-mark-positions))
1898 (defun gnus-summary-make-local-variables ()
1899 "Make all the local summary buffer variables."
1900 (let ((locals gnus-summary-local-variables)
1902 (while (setq local (pop locals))
1905 (if (eq (cdr local) 'global)
1906 ;; Copy the global value of the variable.
1907 (setq global (symbol-value (car local)))
1908 ;; Use the value from the list.
1909 (setq global (eval (cdr local))))
1910 (make-local-variable (car local))
1911 (set (car local) global))
1912 ;; Simple nil-valued local variable.
1913 (make-local-variable local)
1916 (defun gnus-summary-clear-local-variables ()
1917 (let ((locals gnus-summary-local-variables))
1919 (if (consp (car locals))
1920 (and (vectorp (caar locals))
1921 (set (caar locals) nil))
1922 (and (vectorp (car locals))
1923 (set (car locals) nil)))
1924 (setq locals (cdr locals)))))
1926 ;; Summary data functions.
1928 (defmacro gnus-data-number (data)
1931 (defmacro gnus-data-set-number (data number)
1932 `(setcar ,data ,number))
1934 (defmacro gnus-data-mark (data)
1937 (defmacro gnus-data-set-mark (data mark)
1938 `(setcar (nthcdr 1 ,data) ,mark))
1940 (defmacro gnus-data-pos (data)
1943 (defmacro gnus-data-set-pos (data pos)
1944 `(setcar (nthcdr 2 ,data) ,pos))
1946 (defmacro gnus-data-header (data)
1949 (defmacro gnus-data-set-header (data header)
1950 `(setf (nth 3 ,data) ,header))
1952 (defmacro gnus-data-level (data)
1955 (defmacro gnus-data-unread-p (data)
1956 `(= (nth 1 ,data) gnus-unread-mark))
1958 (defmacro gnus-data-read-p (data)
1959 `(/= (nth 1 ,data) gnus-unread-mark))
1961 (defmacro gnus-data-pseudo-p (data)
1962 `(consp (nth 3 ,data)))
1964 (defmacro gnus-data-find (number)
1965 `(assq ,number gnus-newsgroup-data))
1967 (defmacro gnus-data-find-list (number &optional data)
1968 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
1969 (memq (assq ,number bdata)
1972 (defmacro gnus-data-make (number mark pos header level)
1973 `(list ,number ,mark ,pos ,header ,level))
1975 (defun gnus-data-enter (after-article number mark pos header level offset)
1976 (let ((data (gnus-data-find-list after-article)))
1978 (error "No such article: %d" after-article))
1979 (setcdr data (cons (gnus-data-make number mark pos header level)
1981 (setq gnus-newsgroup-data-reverse nil)
1982 (gnus-data-update-list (cddr data) offset)))
1984 (defun gnus-data-enter-list (after-article list &optional offset)
1986 (let ((data (and after-article (gnus-data-find-list after-article)))
1990 (let ((odata gnus-newsgroup-data))
1991 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
1993 (gnus-data-update-list odata offset)))
1994 ;; Find the last element in the list to be spliced into the main
1997 (setq list (cdr list)))
2000 (setcdr list gnus-newsgroup-data)
2001 (setq gnus-newsgroup-data ilist)
2003 (gnus-data-update-list (cdr list) offset)))
2004 (setcdr list (cdr data))
2007 (gnus-data-update-list (cdr list) offset))))
2008 (setq gnus-newsgroup-data-reverse nil))))
2010 (defun gnus-data-remove (article &optional offset)
2011 (let ((data gnus-newsgroup-data))
2012 (if (= (gnus-data-number (car data)) article)
2014 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
2015 gnus-newsgroup-data-reverse nil)
2017 (gnus-data-update-list gnus-newsgroup-data offset)))
2019 (when (= (gnus-data-number (cadr data)) article)
2020 (setcdr data (cddr data))
2022 (gnus-data-update-list (cdr data) offset))
2024 gnus-newsgroup-data-reverse nil))
2025 (setq data (cdr data))))))
2027 (defmacro gnus-data-list (backward)
2029 (or gnus-newsgroup-data-reverse
2030 (setq gnus-newsgroup-data-reverse
2031 (reverse gnus-newsgroup-data)))
2032 gnus-newsgroup-data))
2034 (defun gnus-data-update-list (data offset)
2035 "Add OFFSET to the POS of all data entries in DATA."
2036 (setq gnus-newsgroup-data-reverse nil)
2038 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
2039 (setq data (cdr data))))
2041 (defun gnus-data-compute-positions ()
2042 "Compute the positions of all articles."
2043 (setq gnus-newsgroup-data-reverse nil)
2044 (let ((data gnus-newsgroup-data)
2047 (when (setq pos (text-property-any
2048 (point-min) (point-max)
2049 'gnus-number (gnus-data-number (car data))))
2050 (gnus-data-set-pos (car data) (+ pos 3)))
2051 (setq data (cdr data)))))
2053 (defun gnus-summary-article-pseudo-p (article)
2054 "Say whether this article is a pseudo article or not."
2055 (not (vectorp (gnus-data-header (gnus-data-find article)))))
2057 (defmacro gnus-summary-article-sparse-p (article)
2058 "Say whether this article is a sparse article or not."
2059 `(memq ,article gnus-newsgroup-sparse))
2061 (defmacro gnus-summary-article-ancient-p (article)
2062 "Say whether this article is a sparse article or not."
2063 `(memq ,article gnus-newsgroup-ancient))
2065 (defun gnus-article-parent-p (number)
2066 "Say whether this article is a parent or not."
2067 (let ((data (gnus-data-find-list number)))
2068 (and (cdr data) ; There has to be an article after...
2069 (< (gnus-data-level (car data)) ; And it has to have a higher level.
2070 (gnus-data-level (nth 1 data))))))
2072 (defun gnus-article-children (number)
2073 "Return a list of all children to NUMBER."
2074 (let* ((data (gnus-data-find-list number))
2075 (level (gnus-data-level (car data)))
2077 (setq data (cdr data))
2079 (= (gnus-data-level (car data)) (1+ level)))
2080 (push (gnus-data-number (car data)) children)
2081 (setq data (cdr data)))
2084 (defmacro gnus-summary-skip-intangible ()
2085 "If the current article is intangible, then jump to a different article."
2086 '(let ((to (get-text-property (point) 'gnus-intangible)))
2087 (and to (gnus-summary-goto-subject to))))
2089 (defmacro gnus-summary-article-intangible-p ()
2090 "Say whether this article is intangible or not."
2091 '(get-text-property (point) 'gnus-intangible))
2093 (defun gnus-article-read-p (article)
2094 "Say whether ARTICLE is read or not."
2095 (not (or (memq article gnus-newsgroup-marked)
2096 (memq article gnus-newsgroup-unreads)
2097 (memq article gnus-newsgroup-unselected)
2098 (memq article gnus-newsgroup-dormant))))
2100 ;; Some summary mode macros.
2102 (defmacro gnus-summary-article-number ()
2103 "The article number of the article on the current line.
2104 If there isn's an article number here, then we return the current
2107 (gnus-summary-skip-intangible)
2108 (or (get-text-property (point) 'gnus-number)
2109 (gnus-summary-last-subject))))
2111 (defmacro gnus-summary-article-header (&optional number)
2112 "Return the header of article NUMBER."
2113 `(gnus-data-header (gnus-data-find
2114 ,(or number '(gnus-summary-article-number)))))
2116 (defmacro gnus-summary-thread-level (&optional number)
2117 "Return the level of thread that starts with article NUMBER."
2118 `(if (and (eq gnus-summary-make-false-root 'dummy)
2119 (get-text-property (point) 'gnus-intangible))
2121 (gnus-data-level (gnus-data-find
2122 ,(or number '(gnus-summary-article-number))))))
2124 (defmacro gnus-summary-article-mark (&optional number)
2125 "Return the mark of article NUMBER."
2126 `(gnus-data-mark (gnus-data-find
2127 ,(or number '(gnus-summary-article-number)))))
2129 (defmacro gnus-summary-article-pos (&optional number)
2130 "Return the position of the line of article NUMBER."
2131 `(gnus-data-pos (gnus-data-find
2132 ,(or number '(gnus-summary-article-number)))))
2134 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
2135 (defmacro gnus-summary-article-subject (&optional number)
2136 "Return current subject string or nil if nothing."
2139 `(gnus-data-header (assq ,number gnus-newsgroup-data))
2140 '(gnus-data-header (assq (gnus-summary-article-number)
2141 gnus-newsgroup-data)))))
2144 (mail-header-subject headers))))
2146 (defmacro gnus-summary-article-score (&optional number)
2147 "Return current article score."
2148 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
2149 gnus-newsgroup-scored))
2150 gnus-summary-default-score 0))
2152 (defun gnus-summary-article-children (&optional number)
2153 "Return a list of article numbers that are children of article NUMBER."
2154 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
2155 (level (gnus-data-level (car data)))
2157 (while (and (setq data (cdr data))
2158 (> (setq l (gnus-data-level (car data))) level))
2159 (and (= (1+ level) l)
2160 (push (gnus-data-number (car data))
2162 (nreverse children)))
2164 (defun gnus-summary-article-parent (&optional number)
2165 "Return the article number of the parent of article NUMBER."
2166 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
2167 (gnus-data-list t)))
2168 (level (gnus-data-level (car data))))
2170 () ; This is a root.
2171 ;; We search until we find an article with a level less than
2172 ;; this one. That function has to be the parent.
2173 (while (and (setq data (cdr data))
2174 (not (< (gnus-data-level (car data)) level))))
2175 (and data (gnus-data-number (car data))))))
2177 (defun gnus-unread-mark-p (mark)
2178 "Say whether MARK is the unread mark."
2179 (= mark gnus-unread-mark))
2181 (defun gnus-read-mark-p (mark)
2182 "Say whether MARK is one of the marks that mark as read.
2183 This is all marks except unread, ticked, dormant, and expirable."
2184 (not (or (= mark gnus-unread-mark)
2185 (= mark gnus-ticked-mark)
2186 (= mark gnus-dormant-mark)
2187 (= mark gnus-expirable-mark))))
2189 (defmacro gnus-article-mark (number)
2190 "Return the MARK of article NUMBER.
2191 This macro should only be used when computing the mark the \"first\"
2192 time; i.e., when generating the summary lines. After that,
2193 `gnus-summary-article-mark' should be used to examine the
2196 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
2197 ((memq ,number gnus-newsgroup-undownloaded) gnus-undownloaded-mark)
2198 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
2199 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
2200 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
2201 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
2202 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
2203 (t (or (cdr (assq ,number gnus-newsgroup-reads))
2204 gnus-ancient-mark))))
2206 ;; Saving hidden threads.
2208 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
2209 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
2211 (defmacro gnus-save-hidden-threads (&rest forms)
2212 "Save hidden threads, eval FORMS, and restore the hidden threads."
2213 (let ((config (make-symbol "config")))
2214 `(let ((,config (gnus-hidden-threads-configuration)))
2218 (gnus-restore-hidden-threads-configuration ,config)))))
2220 (defun gnus-hidden-threads-configuration ()
2221 "Return the current hidden threads configuration."
2224 (goto-char (point-min))
2225 (while (search-forward "\r" nil t)
2226 (push (1- (point)) config))
2229 (defun gnus-restore-hidden-threads-configuration (config)
2230 "Restore hidden threads configuration from CONFIG."
2231 (let (point buffer-read-only)
2232 (while (setq point (pop config))
2233 (when (and (< point (point-max))
2235 (= (following-char) ?\n))
2236 (subst-char-in-region point (1+ point) ?\n ?\r)))))
2238 ;; Various summary mode internalish functions.
2240 (defun gnus-mouse-pick-article (e)
2243 (gnus-summary-next-page nil t))
2245 (defun gnus-summary-set-display-table ()
2246 ;; Change the display table. Odd characters have a tendency to mess
2247 ;; up nicely formatted displays - we make all possible glyphs
2248 ;; display only a single character.
2250 ;; We start from the standard display table, if any.
2251 (let ((table (or (copy-sequence standard-display-table)
2252 (make-display-table)))
2254 ;; Nix out all the control chars...
2255 (while (>= (setq i (1- i)) 0)
2256 (aset table i [??]))
2257 ;; ... but not newline and cr, of course. (cr is necessary for the
2258 ;; selective display).
2259 (aset table ?\n nil)
2260 (aset table ?\r nil)
2261 ;; We keep TAB as well.
2262 (aset table ?\t nil)
2263 ;; We nix out any glyphs over 126 that are not set already.
2265 (while (>= (setq i (1- i)) 127)
2266 ;; Only modify if the entry is nil.
2267 (unless (aref table i)
2268 (aset table i [??]))))
2269 (setq buffer-display-table table)))
2271 (defun gnus-summary-setup-buffer (group)
2272 "Initialize summary buffer."
2273 (let ((buffer (concat "*Summary " group "*")))
2274 (if (get-buffer buffer)
2277 (setq gnus-summary-buffer (current-buffer))
2278 (not gnus-newsgroup-prepared))
2279 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
2280 (setq gnus-summary-buffer (set-buffer (get-buffer-create buffer)))
2281 (gnus-add-current-to-buffer-list)
2282 (gnus-summary-mode group)
2284 (gnus-carpal-setup-buffer 'summary))
2285 (unless gnus-single-article-buffer
2286 (make-local-variable 'gnus-article-buffer)
2287 (make-local-variable 'gnus-article-current)
2288 (make-local-variable 'gnus-original-article-buffer))
2289 (setq gnus-newsgroup-name group)
2292 (defun gnus-set-global-variables ()
2293 ;; Set the global equivalents of the summary buffer-local variables
2294 ;; to the latest values they had. These reflect the summary buffer
2295 ;; that was in action when the last article was fetched.
2296 (when (eq major-mode 'gnus-summary-mode)
2297 (setq gnus-summary-buffer (current-buffer))
2298 (let ((name gnus-newsgroup-name)
2299 (marked gnus-newsgroup-marked)
2300 (unread gnus-newsgroup-unreads)
2301 (headers gnus-current-headers)
2302 (data gnus-newsgroup-data)
2303 (summary gnus-summary-buffer)
2304 (article-buffer gnus-article-buffer)
2305 (original gnus-original-article-buffer)
2306 (gac gnus-article-current)
2307 (reffed gnus-reffed-article-number)
2308 (score-file gnus-current-score-file))
2310 (set-buffer gnus-group-buffer)
2311 (setq gnus-newsgroup-name name
2312 gnus-newsgroup-marked marked
2313 gnus-newsgroup-unreads unread
2314 gnus-current-headers headers
2315 gnus-newsgroup-data data
2316 gnus-article-current gac
2317 gnus-summary-buffer summary
2318 gnus-article-buffer article-buffer
2319 gnus-original-article-buffer original
2320 gnus-reffed-article-number reffed
2321 gnus-current-score-file score-file)
2322 ;; The article buffer also has local variables.
2323 (when (gnus-buffer-live-p gnus-article-buffer)
2324 (set-buffer gnus-article-buffer)
2325 (setq gnus-summary-buffer summary))))))
2327 (defun gnus-summary-article-unread-p (article)
2328 "Say whether ARTICLE is unread or not."
2329 (memq article gnus-newsgroup-unreads))
2331 (defun gnus-summary-first-article-p (&optional article)
2332 "Return whether ARTICLE is the first article in the buffer."
2333 (if (not (setq article (or article (gnus-summary-article-number))))
2335 (eq article (caar gnus-newsgroup-data))))
2337 (defun gnus-summary-last-article-p (&optional article)
2338 "Return whether ARTICLE is the last article in the buffer."
2339 (if (not (setq article (or article (gnus-summary-article-number))))
2340 t ; All non-existent numbers are the last article. :-)
2341 (not (cdr (gnus-data-find-list article)))))
2343 (defun gnus-make-thread-indent-array ()
2345 (unless (and gnus-thread-indent-array
2346 (= gnus-thread-indent-level gnus-thread-indent-array-level))
2347 (setq gnus-thread-indent-array (make-vector 201 "")
2348 gnus-thread-indent-array-level gnus-thread-indent-level)
2350 (aset gnus-thread-indent-array n
2351 (make-string (* n gnus-thread-indent-level) ? ))
2354 (defun gnus-update-summary-mark-positions ()
2355 "Compute where the summary marks are to go."
2357 (when (gnus-buffer-exists-p gnus-summary-buffer)
2358 (set-buffer gnus-summary-buffer))
2359 (let ((gnus-replied-mark 129)
2360 (gnus-score-below-mark 130)
2361 (gnus-score-over-mark 130)
2362 (gnus-download-mark 131)
2363 (spec gnus-summary-line-format-spec)
2364 thread gnus-visual pos)
2366 (gnus-set-work-buffer)
2367 (let ((gnus-summary-line-format-spec spec)
2368 (gnus-newsgroup-downloadable '((0 . t))))
2369 (gnus-summary-insert-line
2370 [0 "" "" "" "" "" 0 0 ""] 0 nil 128 t nil "" nil 1)
2371 (goto-char (point-min))
2372 (setq pos (list (cons 'unread (and (search-forward "\200" nil t)
2374 (goto-char (point-min))
2375 (push (cons 'replied (and (search-forward "\201" nil t)
2378 (goto-char (point-min))
2379 (push (cons 'score (and (search-forward "\202" nil t) (- (point) 2)))
2381 (goto-char (point-min))
2382 (push (cons 'download
2383 (and (search-forward "\203" nil t) (- (point) 2)))
2385 (setq gnus-summary-mark-positions pos))))
2387 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
2388 "Insert a dummy root in the summary buffer."
2390 (gnus-add-text-properties
2391 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
2392 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
2394 (defun gnus-summary-insert-line (gnus-tmp-header
2395 gnus-tmp-level gnus-tmp-current
2396 gnus-tmp-unread gnus-tmp-replied
2397 gnus-tmp-expirable gnus-tmp-subject-or-nil
2398 &optional gnus-tmp-dummy gnus-tmp-score
2400 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
2401 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
2402 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
2403 (gnus-tmp-score-char
2404 (if (or (null gnus-summary-default-score)
2405 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
2406 gnus-summary-zcore-fuzz))
2408 (if (< gnus-tmp-score gnus-summary-default-score)
2409 gnus-score-below-mark gnus-score-over-mark)))
2411 (cond (gnus-tmp-process gnus-process-mark)
2412 ((memq gnus-tmp-current gnus-newsgroup-cached)
2414 (gnus-tmp-replied gnus-replied-mark)
2415 ((memq gnus-tmp-current gnus-newsgroup-saved)
2417 (t gnus-unread-mark)))
2418 (gnus-tmp-from (mail-header-from gnus-tmp-header))
2421 ((string-match "<[^>]+> *$" gnus-tmp-from)
2422 (let ((beg (match-beginning 0)))
2423 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
2424 (substring gnus-tmp-from (1+ (match-beginning 0))
2425 (1- (match-end 0))))
2426 (substring gnus-tmp-from 0 beg))))
2427 ((string-match "(.+)" gnus-tmp-from)
2428 (substring gnus-tmp-from
2429 (1+ (match-beginning 0)) (1- (match-end 0))))
2431 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
2432 (gnus-tmp-number (mail-header-number gnus-tmp-header))
2433 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
2434 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
2435 (buffer-read-only nil))
2436 (when (string= gnus-tmp-name "")
2437 (setq gnus-tmp-name gnus-tmp-from))
2438 (unless (numberp gnus-tmp-lines)
2439 (setq gnus-tmp-lines 0))
2440 (gnus-put-text-property-excluding-characters-with-faces
2442 (progn (eval gnus-summary-line-format-spec) (point))
2443 'gnus-number gnus-tmp-number)
2444 (when (gnus-visual-p 'summary-highlight 'highlight)
2446 (gnus-run-hooks 'gnus-summary-update-hook)
2449 (defun gnus-summary-update-line (&optional dont-update)
2450 ;; Update summary line after change.
2451 (when (and gnus-summary-default-score
2452 (not gnus-summary-inhibit-highlight))
2453 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
2454 (article (gnus-summary-article-number))
2455 (score (gnus-summary-article-score article)))
2457 (if (and gnus-summary-mark-below
2458 (< (gnus-summary-article-score)
2459 gnus-summary-mark-below))
2460 ;; This article has a low score, so we mark it as read.
2461 (when (memq article gnus-newsgroup-unreads)
2462 (gnus-summary-mark-article-as-read gnus-low-score-mark))
2463 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
2464 ;; This article was previously marked as read on account
2465 ;; of a low score, but now it has risen, so we mark it as
2467 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
2468 (gnus-summary-update-mark
2469 (if (or (null gnus-summary-default-score)
2470 (<= (abs (- score gnus-summary-default-score))
2471 gnus-summary-zcore-fuzz))
2473 (if (< score gnus-summary-default-score)
2474 gnus-score-below-mark gnus-score-over-mark))
2476 ;; Do visual highlighting.
2477 (when (gnus-visual-p 'summary-highlight 'highlight)
2478 (gnus-run-hooks 'gnus-summary-update-hook)))))
2480 (defvar gnus-tmp-new-adopts nil)
2482 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
2483 "Return the number of articles in THREAD.
2484 This may be 0 in some cases -- if none of the articles in
2485 the thread are to be displayed."
2487 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
2489 ((not (listp thread))
2491 ((and (consp thread) (cdr thread))
2494 'gnus-summary-number-of-articles-in-thread (cdr thread))))
2497 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
2500 (when (and level (zerop level) gnus-tmp-new-adopts)
2503 'gnus-summary-number-of-articles-in-thread
2504 gnus-tmp-new-adopts))))
2506 (if (> number 1) gnus-not-empty-thread-mark
2507 gnus-empty-thread-mark)
2510 (defun gnus-summary-set-local-parameters (group)
2511 "Go through the local params of GROUP and set all variable specs in that list."
2512 (let ((params (gnus-group-find-parameter group))
2515 (setq elem (car params)
2516 params (cdr params))
2517 (and (consp elem) ; Has to be a cons.
2518 (consp (cdr elem)) ; The cdr has to be a list.
2519 (symbolp (car elem)) ; Has to be a symbol in there.
2520 (not (memq (car elem) '(quit-config))) ; Ignore quit-config.
2521 (ignore-errors ; So we set it.
2522 (make-local-variable (car elem))
2523 (set (car elem) (eval (nth 1 elem))))))))
2525 (defun gnus-summary-read-group (group &optional show-all no-article
2526 kill-buffer no-display backward
2528 "Start reading news in newsgroup GROUP.
2529 If SHOW-ALL is non-nil, already read articles are also listed.
2530 If NO-ARTICLE is non-nil, no article is selected initially.
2531 If NO-DISPLAY, don't generate a summary buffer."
2535 (let ((gnus-auto-select-next nil))
2536 (or (gnus-summary-read-group-1
2537 group show-all no-article
2538 kill-buffer no-display
2541 select-articles nil)))))
2542 (eq gnus-auto-select-next 'quietly))
2543 (set-buffer gnus-group-buffer)
2544 ;; The entry function called above goes to the next
2545 ;; group automatically, so we go two groups back
2546 ;; if we are searching for the previous group.
2548 (gnus-group-prev-unread-group 2))
2549 (if (not (equal group (gnus-group-group-name)))
2550 (setq group (gnus-group-group-name))
2554 (defun gnus-summary-read-group-1 (group show-all no-article
2555 kill-buffer no-display
2556 &optional select-articles)
2557 ;; Killed foreign groups can't be entered.
2558 (when (and (not (gnus-group-native-p group))
2559 (not (gnus-gethash group gnus-newsrc-hashtb)))
2560 (error "Dead non-native groups can't be entered"))
2561 (gnus-message 5 "Retrieving newsgroup: %s..." group)
2562 (let* ((new-group (gnus-summary-setup-buffer group))
2563 (quit-config (gnus-group-quit-config group))
2564 (did-select (and new-group (gnus-select-newsgroup
2565 group show-all select-articles))))
2567 ;; This summary buffer exists already, so we just select it.
2569 (gnus-set-global-variables)
2571 (gnus-kill-or-deaden-summary kill-buffer))
2572 (gnus-configure-windows 'summary 'force)
2573 (gnus-set-mode-line 'summary)
2574 (gnus-summary-position-point)
2577 ;; We couldn't select this group.
2579 (when (and (eq major-mode 'gnus-summary-mode)
2580 (not (equal (current-buffer) kill-buffer)))
2581 (kill-buffer (current-buffer))
2582 (if (not quit-config)
2584 ;; Update the info -- marks might need to be removed,
2586 (gnus-summary-update-info)
2587 (set-buffer gnus-group-buffer)
2588 (gnus-group-jump-to-group group)
2589 (gnus-group-next-unread-group 1))
2590 (gnus-handle-ephemeral-exit quit-config)))
2591 (gnus-message 3 "Can't select group")
2593 ;; The user did a `C-g' while prompting for number of articles,
2594 ;; so we exit this group.
2595 ((eq did-select 'quit)
2596 (and (eq major-mode 'gnus-summary-mode)
2597 (not (equal (current-buffer) kill-buffer))
2598 (kill-buffer (current-buffer)))
2600 (gnus-kill-or-deaden-summary kill-buffer))
2601 (if (not quit-config)
2603 (set-buffer gnus-group-buffer)
2604 (gnus-group-jump-to-group group)
2605 (gnus-group-next-unread-group 1)
2606 (gnus-configure-windows 'group 'force))
2607 (gnus-handle-ephemeral-exit quit-config))
2608 ;; Finally signal the quit.
2610 ;; The group was successfully selected.
2612 (gnus-set-global-variables)
2613 ;; Save the active value in effect when the group was entered.
2614 (setq gnus-newsgroup-active
2616 (gnus-active gnus-newsgroup-name)))
2617 ;; You can change the summary buffer in some way with this hook.
2618 (gnus-run-hooks 'gnus-select-group-hook)
2619 ;; Set any local variables in the group parameters.
2620 (gnus-summary-set-local-parameters gnus-newsgroup-name)
2621 (gnus-update-format-specifications
2622 nil 'summary 'summary-mode 'summary-dummy)
2623 ;; Do score processing.
2624 (when gnus-use-scoring
2625 (gnus-possibly-score-headers))
2626 ;; Check whether to fill in the gaps in the threads.
2627 (when gnus-build-sparse-threads
2628 (gnus-build-sparse-threads))
2629 ;; Find the initial limit.
2630 (if gnus-show-threads
2632 (let ((gnus-newsgroup-dormant nil))
2633 (gnus-summary-initial-limit show-all))
2634 (gnus-summary-initial-limit show-all))
2635 (setq gnus-newsgroup-limit
2637 (lambda (header) (mail-header-number header))
2638 gnus-newsgroup-headers)))
2639 ;; Generate the summary buffer.
2641 (gnus-summary-prepare))
2642 (when gnus-use-trees
2643 (gnus-tree-open group)
2644 (setq gnus-summary-highlight-line-function
2645 'gnus-tree-highlight-article))
2646 ;; If the summary buffer is empty, but there are some low-scored
2647 ;; articles or some excluded dormants, we include these in the
2649 (when (and (zerop (buffer-size))
2651 (cond (gnus-newsgroup-dormant
2652 (gnus-summary-limit-include-dormant))
2653 ((and gnus-newsgroup-scored show-all)
2654 (gnus-summary-limit-include-expunged t))))
2655 ;; Function `gnus-apply-kill-file' must be called in this hook.
2656 (gnus-run-hooks 'gnus-apply-kill-hook)
2657 (if (and (zerop (buffer-size))
2660 ;; This newsgroup is empty.
2661 (gnus-summary-catchup-and-exit nil t)
2662 (gnus-message 6 "No unread news")
2664 (gnus-kill-or-deaden-summary kill-buffer))
2665 ;; Return nil from this function.
2667 ;; Hide conversation thread subtrees. We cannot do this in
2668 ;; gnus-summary-prepare-hook since kill processing may not
2669 ;; work with hidden articles.
2670 (and gnus-show-threads
2671 gnus-thread-hide-subtree
2672 (gnus-summary-hide-all-threads))
2674 (gnus-kill-or-deaden-summary kill-buffer))
2675 ;; Show first unread article if requested.
2676 (if (and (not no-article)
2678 gnus-newsgroup-unreads
2679 gnus-auto-select-first)
2680 (unless (if (eq gnus-auto-select-first 'best)
2681 (gnus-summary-best-unread-article)
2682 (gnus-summary-first-unread-article))
2683 (gnus-configure-windows 'summary))
2684 ;; Don't select any articles, just move point to the first
2685 ;; article in the group.
2686 (goto-char (point-min))
2687 (gnus-summary-position-point)
2688 (gnus-configure-windows 'summary 'force)
2689 (gnus-set-mode-line 'summary))
2690 (when (get-buffer-window gnus-group-buffer t)
2691 ;; Gotta use windows, because recenter does weird stuff if
2692 ;; the current buffer ain't the displayed window.
2693 (let ((owin (selected-window)))
2694 (select-window (get-buffer-window gnus-group-buffer t))
2695 (when (gnus-group-goto-group group)
2697 (select-window owin)))
2698 ;; Mark this buffer as "prepared".
2699 (setq gnus-newsgroup-prepared t)
2700 (gnus-run-hooks 'gnus-summary-prepared-hook)
2703 (defun gnus-summary-prepare ()
2704 "Generate the summary buffer."
2706 (let ((buffer-read-only nil))
2708 (setq gnus-newsgroup-data nil
2709 gnus-newsgroup-data-reverse nil)
2710 (gnus-run-hooks 'gnus-summary-generate-hook)
2711 ;; Generate the buffer, either with threads or without.
2712 (when gnus-newsgroup-headers
2713 (gnus-summary-prepare-threads
2714 (if gnus-show-threads
2715 (gnus-sort-gathered-threads
2716 (funcall gnus-summary-thread-gathering-function
2718 (gnus-cut-threads (gnus-make-threads)))))
2719 ;; Unthreaded display.
2720 (gnus-sort-articles gnus-newsgroup-headers))))
2721 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
2722 ;; Call hooks for modifying summary buffer.
2723 (goto-char (point-min))
2724 (gnus-run-hooks 'gnus-summary-prepare-hook)))
2726 (defsubst gnus-general-simplify-subject (subject)
2727 "Simply subject by the same rules as gnus-gather-threads-by-subject."
2730 ;; Truncate the subject.
2731 (gnus-simplify-subject-functions
2732 (gnus-map-function gnus-simplify-subject-functions subject))
2733 ((numberp gnus-summary-gather-subject-limit)
2734 (setq subject (gnus-simplify-subject-re subject))
2735 (if (> (length subject) gnus-summary-gather-subject-limit)
2736 (substring subject 0 gnus-summary-gather-subject-limit)
2738 ;; Fuzzily simplify it.
2739 ((eq 'fuzzy gnus-summary-gather-subject-limit)
2740 (gnus-simplify-subject-fuzzy subject))
2741 ;; Just remove the leading "Re:".
2743 (gnus-simplify-subject-re subject))))
2745 (if (and gnus-summary-gather-exclude-subject
2746 (string-match gnus-summary-gather-exclude-subject subject))
2747 nil ; This article shouldn't be gathered
2750 (defun gnus-summary-simplify-subject-query ()
2751 "Query where the respool algorithm would put this article."
2753 (gnus-summary-select-article)
2754 (message (gnus-general-simplify-subject (gnus-summary-article-subject))))
2756 (defun gnus-gather-threads-by-subject (threads)
2757 "Gather threads by looking at Subject headers."
2758 (if (not gnus-summary-make-false-root)
2760 (let ((hashtb (gnus-make-hashtable 1024))
2763 subject hthread whole-subject)
2765 (setq subject (gnus-general-simplify-subject
2766 (setq whole-subject (mail-header-subject
2769 (if (setq hthread (gnus-gethash subject hashtb))
2771 ;; We enter a dummy root into the thread, if we
2772 ;; haven't done that already.
2773 (unless (stringp (caar hthread))
2774 (setcar hthread (list whole-subject (car hthread))))
2775 ;; We add this new gathered thread to this gathered
2777 (setcdr (car hthread)
2778 (nconc (cdar hthread) (list (car threads))))
2779 ;; Remove it from the list of threads.
2780 (setcdr prev (cdr threads))
2781 (setq threads prev))
2782 ;; Enter this thread into the hash table.
2783 (gnus-sethash subject threads hashtb)))
2785 (setq threads (cdr threads)))
2788 (defun gnus-gather-threads-by-references (threads)
2789 "Gather threads by looking at References headers."
2790 (let ((idhashtb (gnus-make-hashtable 1024))
2791 (thhashtb (gnus-make-hashtable 1024))
2794 ids references id gthread gid entered ref)
2796 (when (setq references (mail-header-references (caar threads)))
2797 (setq id (mail-header-id (caar threads))
2798 ids (gnus-split-references references)
2800 (while (setq ref (pop ids))
2801 (setq ids (delete ref ids))
2802 (if (not (setq gid (gnus-gethash ref idhashtb)))
2804 (gnus-sethash ref id idhashtb)
2805 (gnus-sethash id threads thhashtb))
2806 (setq gthread (gnus-gethash gid thhashtb))
2808 ;; We enter a dummy root into the thread, if we
2809 ;; haven't done that already.
2810 (unless (stringp (caar gthread))
2811 (setcar gthread (list (mail-header-subject (caar gthread))
2813 ;; We add this new gathered thread to this gathered
2815 (setcdr (car gthread)
2816 (nconc (cdar gthread) (list (car threads)))))
2817 ;; Add it into the thread hash table.
2818 (gnus-sethash id gthread thhashtb)
2820 ;; Remove it from the list of threads.
2821 (setcdr prev (cdr threads))
2822 (setq threads prev))))
2824 (setq threads (cdr threads)))
2827 (defun gnus-sort-gathered-threads (threads)
2828 "Sort subtreads inside each gathered thread by article number."
2829 (let ((result threads))
2831 (when (stringp (caar threads))
2832 (setcdr (car threads)
2833 (sort (cdar threads) 'gnus-thread-sort-by-number)))
2834 (setq threads (cdr threads)))
2837 (defun gnus-thread-loop-p (root thread)
2838 "Say whether ROOT is in THREAD."
2839 (let ((stack (list thread))
2842 (while (setq thread (pop stack))
2843 (setq th (cdr thread))
2845 (not (eq (caar th) root)))
2848 ;; We have found a loop.
2850 (setcdr thread (delq (car th) (cdr thread)))
2851 (if (boundp (setq ref-dep (intern "none"
2852 gnus-newsgroup-dependencies)))
2853 (setcdr (symbol-value ref-dep)
2854 (nconc (cdr (symbol-value ref-dep))
2856 (set ref-dep (list nil (car th))))
2859 ;; Push all the subthreads onto the stack.
2860 (push (cdr thread) stack)))
2863 (defun gnus-make-threads ()
2864 "Go through the dependency hashtb and find the roots. Return all threads."
2866 (while (catch 'infloop
2869 ;; Deal with self-referencing References loops.
2870 (when (and (car (symbol-value refs))
2877 (car (symbol-value refs)) thread))
2878 (cdr (symbol-value refs)))))))
2881 (unless (car (symbol-value refs))
2882 ;; These threads do not refer back to any other articles,
2883 ;; so they're roots.
2884 (setq threads (append (cdr (symbol-value refs)) threads))))
2885 gnus-newsgroup-dependencies)))
2888 ;; Build the thread tree.
2889 (defun gnus-dependencies-add-header (header dependencies force-new)
2890 "Enter HEADER into the DEPENDENCIES table if it is not already there.
2892 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
2893 if it was already present.
2895 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
2896 will not be entered in the DEPENDENCIES table. Otherwise duplicate
2897 Message-IDs will be renamed be renamed to a unique Message-ID before
2900 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
2901 (let* ((id (mail-header-id header))
2902 (id-dep (and id (intern id dependencies)))
2903 ref ref-dep ref-header)
2904 ;; Enter this `header' in the `dependencies' table.
2908 ;; The first two cases do the normal part: enter a new `header'
2909 ;; in the `dependencies' table.
2910 ((not (boundp id-dep))
2911 (set id-dep (list header)))
2912 ((null (car (symbol-value id-dep)))
2913 (setcar (symbol-value id-dep) header))
2915 ;; From here the `header' was already present in the
2916 ;; `dependencies' table.
2918 ;; Overrides an existing entry;
2919 ;; just set the header part of the entry.
2920 (setcar (symbol-value id-dep) header))
2922 ;; Renames the existing `header' to a unique Message-ID.
2923 ((not gnus-summary-ignore-duplicates)
2924 ;; An article with this Message-ID has already been seen.
2925 ;; We rename the Message-ID.
2926 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
2928 (mail-header-set-id header id))
2930 ;; The last case ignores an existing entry, except it adds any
2931 ;; additional Xrefs (in case the two articles came from different
2933 ;; Also sets `header' to `nil' meaning that the `dependencies'
2934 ;; table was *not* modified.
2936 (mail-header-set-xref
2937 (car (symbol-value id-dep))
2938 (concat (or (mail-header-xref (car (symbol-value id-dep)))
2940 (or (mail-header-xref header) "")))
2944 ;; First check if that we are not creating a References loop.
2945 (setq ref (gnus-parent-id (mail-header-references header)))
2947 (setq ref-dep (intern-soft ref dependencies))
2949 (setq ref-header (car (symbol-value ref-dep))))
2950 (if (string= id ref)
2951 ;; Yuk! This is a reference loop. Make the article be a
2954 (mail-header-set-references (car (symbol-value id-dep)) "none")
2956 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
2957 (setq ref (gnus-parent-id (mail-header-references header)))
2958 (setq ref-dep (intern (or ref "none") dependencies))
2959 (if (boundp ref-dep)
2960 (setcdr (symbol-value ref-dep)
2961 (nconc (cdr (symbol-value ref-dep))
2962 (list (symbol-value id-dep))))
2963 (set ref-dep (list nil (symbol-value id-dep)))))
2966 (defun gnus-build-sparse-threads ()
2967 (let ((headers gnus-newsgroup-headers)
2968 (gnus-summary-ignore-duplicates t)
2969 header references generation relations
2970 cthread subject child end pthread relation new-child date)
2971 ;; First we create an alist of generations/relations, where
2972 ;; generations is how much we trust the relation, and the relation
2974 (gnus-message 7 "Making sparse threads...")
2976 (nnheader-set-temp-buffer " *gnus sparse threads*")
2977 (while (setq header (pop headers))
2978 (when (and (setq references (mail-header-references header))
2979 (not (string= references "")))
2981 (setq child (mail-header-id header)
2982 subject (mail-header-subject header)
2983 date (mail-header-date header)
2985 (while (search-backward ">" nil t)
2986 (setq end (1+ (point)))
2987 (when (search-backward "<" nil t)
2988 (setq new-child (buffer-substring (point) end))
2989 (push (list (incf generation)
2990 child (setq child new-child)
2994 (push (list (1+ generation) child nil subject) relations))
2996 (kill-buffer (current-buffer)))
2997 ;; Sort over trustworthiness.
3000 (when (gnus-dependencies-add-header
3001 (make-full-mail-header
3002 gnus-reffed-article-number
3003 (nth 3 relation) "" (or (nth 4 relation) "")
3005 (or (nth 2 relation) "") 0 0 "")
3006 gnus-newsgroup-dependencies nil)
3007 (push gnus-reffed-article-number gnus-newsgroup-limit)
3008 (push gnus-reffed-article-number gnus-newsgroup-sparse)
3009 (push (cons gnus-reffed-article-number gnus-sparse-mark)
3010 gnus-newsgroup-reads)
3011 (decf gnus-reffed-article-number)))
3012 (sort relations 'car-less-than-car))
3013 (gnus-message 7 "Making sparse threads...done")))
3015 (defun gnus-build-old-threads ()
3016 ;; Look at all the articles that refer back to old articles, and
3017 ;; fetch the headers for the articles that aren't there. This will
3018 ;; build complete threads - if the roots haven't been expired by the
3023 (when (not (car (symbol-value refs)))
3024 (setq heads (cdr (symbol-value refs)))
3026 (if (memq (mail-header-number (caar heads))
3027 gnus-newsgroup-dormant)
3028 (setq heads (cdr heads))
3029 (setq id (symbol-name refs))
3030 (while (and (setq id (gnus-build-get-header id))
3031 (not (car (gnus-id-to-thread id)))))
3032 (setq heads nil)))))
3033 gnus-newsgroup-dependencies)))
3035 ;; The following macros and functions were written by Felix Lee
3036 ;; <flee@cse.psu.edu>.
3038 (defmacro gnus-nov-read-integer ()
3040 (if (= (following-char) ?\t)
3042 (let ((num (ignore-errors (read buffer))))
3043 (if (numberp num) num 0)))
3045 (search-forward "\t" eol 'move))))
3047 (defmacro gnus-nov-skip-field ()
3048 '(search-forward "\t" eol 'move))
3050 (defmacro gnus-nov-field ()
3051 '(buffer-substring (point) (if (gnus-nov-skip-field) (1- (point)) eol)))
3053 ;; This function has to be called with point after the article number
3054 ;; on the beginning of the line.
3055 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
3056 (let ((eol (gnus-point-at-eol))
3057 (buffer (current-buffer))
3060 ;; overview: [num subject from date id refs chars lines misc]
3063 (narrow-to-region (point) eol)
3068 (make-full-mail-header
3071 gnus-unstructured-field-decoder (gnus-nov-field)) ; subject
3073 gnus-structured-field-decoder (gnus-nov-field)) ; from
3074 (gnus-nov-field) ; date
3075 (or (gnus-nov-field)
3076 (nnheader-generate-fake-message-id)) ; id
3077 (gnus-nov-field) ; refs
3078 (gnus-nov-read-integer) ; chars
3079 (gnus-nov-read-integer) ; lines
3080 (unless (= (following-char) ?\n)
3081 (gnus-nov-field))))) ; misc
3085 (when gnus-alter-header-function
3086 (funcall gnus-alter-header-function header))
3087 (gnus-dependencies-add-header header dependencies force-new)))
3089 (defun gnus-build-get-header (id)
3090 ;; Look through the buffer of NOV lines and find the header to
3091 ;; ID. Enter this line into the dependencies hash table, and return
3092 ;; the id of the parent article (if any).
3093 (let ((deps gnus-newsgroup-dependencies)
3097 (set-buffer nntp-server-buffer)
3098 (let ((case-fold-search nil))
3099 (goto-char (point-min))
3100 (while (and (not found)
3101 (search-forward id nil t))
3103 (setq found (looking-at
3104 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
3105 (regexp-quote id))))
3106 (or found (beginning-of-line 2)))
3110 (setq header (gnus-nov-parse-line
3111 (read (current-buffer)) deps))
3112 (gnus-parent-id (mail-header-references header))))))
3114 (let ((number (mail-header-number header)))
3115 (push number gnus-newsgroup-limit)
3116 (push header gnus-newsgroup-headers)
3117 (if (memq number gnus-newsgroup-unselected)
3119 (push number gnus-newsgroup-unreads)
3120 (setq gnus-newsgroup-unselected
3121 (delq number gnus-newsgroup-unselected)))
3122 (push number gnus-newsgroup-ancient)))))))
3124 (defun gnus-build-all-threads ()
3125 "Read all the headers."
3126 (let ((gnus-summary-ignore-duplicates t)
3127 (dependencies gnus-newsgroup-dependencies)
3128 found header article)
3130 (set-buffer nntp-server-buffer)
3131 (let ((case-fold-search nil))
3132 (goto-char (point-min))
3135 (setq article (read (current-buffer))
3136 header (gnus-nov-parse-line
3137 article dependencies)))
3139 (push header gnus-newsgroup-headers)
3140 (if (memq (setq article (mail-header-number header))
3141 gnus-newsgroup-unselected)
3143 (push article gnus-newsgroup-unreads)
3144 (setq gnus-newsgroup-unselected
3145 (delq article gnus-newsgroup-unselected)))
3146 (push article gnus-newsgroup-ancient))
3147 (forward-line 1)))))))
3149 (defun gnus-summary-update-article-line (article header)
3150 "Update the line for ARTICLE using HEADERS."
3151 (let* ((id (mail-header-id header))
3152 (thread (gnus-id-to-thread id)))
3154 (error "Article in no thread"))
3155 ;; Update the thread.
3156 (setcar thread header)
3157 (gnus-summary-goto-subject article)
3158 (let* ((datal (gnus-data-find-list article))
3160 (length (when (cdr datal)
3161 (- (gnus-data-pos data)
3162 (gnus-data-pos (cadr datal)))))
3163 (buffer-read-only nil)
3164 (level (gnus-summary-thread-level)))
3166 (gnus-summary-insert-line
3167 header level nil (gnus-article-mark article)
3168 (memq article gnus-newsgroup-replied)
3169 (memq article gnus-newsgroup-expirable)
3170 ;; Only insert the Subject string when it's different
3171 ;; from the previous Subject string.
3172 (if (gnus-subject-equal
3174 (mail-header-subject
3177 (gnus-data-find-list
3179 (gnus-data-list t)))))
3180 ;; Error on the side of excessive subjects.
3182 (mail-header-subject header))
3184 (mail-header-subject header))
3185 nil (cdr (assq article gnus-newsgroup-scored))
3186 (memq article gnus-newsgroup-processable))
3188 (gnus-data-update-list
3189 (cdr datal) (- length (- (gnus-data-pos data) (point))))))))
3191 (defun gnus-summary-update-article (article &optional iheader)
3192 "Update ARTICLE in the summary buffer."
3193 (set-buffer gnus-summary-buffer)
3194 (let* ((header (gnus-summary-article-header article))
3195 (id (mail-header-id header))
3196 (data (gnus-data-find article))
3197 (thread (gnus-id-to-thread id))
3198 (references (mail-header-references header))
3202 (when (and references
3203 (not (equal "" references)))
3206 (buffer-read-only nil)
3208 (number (mail-header-number header))
3214 (delq thread parent)))
3215 (if (gnus-summary-insert-subject id header)
3216 ;; Set the (possibly) new article number in the data structure.
3217 (gnus-data-set-number data (gnus-id-to-article id))
3221 (defun gnus-rebuild-thread (id &optional line)
3222 "Rebuild the thread containing ID.
3223 If LINE, insert the rebuilt thread starting on line LINE."
3224 (let ((buffer-read-only nil)
3225 old-pos current thread data)
3226 (if (not gnus-show-threads)
3227 (setq thread (list (car (gnus-id-to-thread id))))
3228 ;; Get the thread this article is part of.
3229 (setq thread (gnus-remove-thread id)))
3230 (setq old-pos (gnus-point-at-bol))
3231 (setq current (save-excursion
3232 (and (zerop (forward-line -1))
3233 (gnus-summary-article-number))))
3234 ;; If this is a gathered thread, we have to go some re-gathering.
3235 (when (stringp (car thread))
3236 (let ((subject (car thread))
3238 (setq thread (cdr thread))
3240 (unless (memq (setq thr (gnus-id-to-thread
3242 (mail-header-id (caar thread)))))
3245 (setq thread (cdr thread)))
3246 ;; We now have all (unique) roots.
3247 (if (= (length roots) 1)
3248 ;; All the loose roots are now one solid root.
3249 (setq thread (car roots))
3250 (setq thread (cons subject (gnus-sort-threads roots))))))
3252 ;; We then insert this thread into the summary buffer.
3254 (goto-char (point-min))
3255 (forward-line (1- line)))
3256 (let (gnus-newsgroup-data gnus-newsgroup-threads)
3257 (if gnus-show-threads
3258 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
3259 (gnus-summary-prepare-unthreaded thread))
3260 (setq data (nreverse gnus-newsgroup-data))
3261 (setq threads gnus-newsgroup-threads))
3262 ;; We splice the new data into the data structure.
3263 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
3264 ;;!!! then we want to insert at the beginning of the buffer.
3265 ;;!!! That happens to be true with Gnus now, but that may
3266 ;;!!! change in the future. Perhaps.
3267 (gnus-data-enter-list
3268 (if line nil current) data (- (point) old-pos))
3269 (setq gnus-newsgroup-threads
3270 (nconc threads gnus-newsgroup-threads))
3271 (gnus-data-compute-positions))))
3273 (defun gnus-number-to-header (number)
3274 "Return the header for article NUMBER."
3275 (let ((headers gnus-newsgroup-headers))
3277 (not (= number (mail-header-number (car headers)))))
3282 (defun gnus-parent-headers (in-headers &optional generation)
3283 "Return the headers of the GENERATIONeth parent of HEADERS."
3285 (setq generation 1))
3287 (headers in-headers)
3290 (not (zerop generation))
3291 (setq references (mail-header-references headers)))
3292 (setq headers (if (and references
3293 (setq parent (gnus-parent-id references)))
3294 (car (gnus-id-to-thread parent))
3297 (and (not (eq headers in-headers))
3300 (defun gnus-id-to-thread (id)
3301 "Return the (sub-)thread where ID appears."
3302 (gnus-gethash id gnus-newsgroup-dependencies))
3304 (defun gnus-id-to-article (id)
3305 "Return the article number of ID."
3306 (let ((thread (gnus-id-to-thread id)))
3309 (mail-header-number (car thread)))))
3311 (defun gnus-id-to-header (id)
3312 "Return the article headers of ID."
3313 (car (gnus-id-to-thread id)))
3315 (defun gnus-article-displayed-root-p (article)
3316 "Say whether ARTICLE is a root(ish) article."
3317 (let ((level (gnus-summary-thread-level article))
3318 (refs (mail-header-references (gnus-summary-article-header article)))
3324 ((null (gnus-parent-id refs)) t)
3326 (null (setq particle (gnus-id-to-article
3327 (gnus-parent-id refs))))
3328 (null (gnus-summary-thread-level particle)))))))
3330 (defun gnus-root-id (id)
3331 "Return the id of the root of the thread where ID appears."
3333 (while (and id (setq prev (car (gnus-id-to-thread id))))
3335 id (gnus-parent-id (mail-header-references prev))))
3338 (defun gnus-articles-in-thread (thread)
3339 "Return the list of articles in THREAD."
3340 (cons (mail-header-number (car thread))
3341 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
3343 (defun gnus-remove-thread (id &optional dont-remove)
3344 "Remove the thread that has ID in it."
3345 (let (headers thread last-id)
3346 ;; First go up in this thread until we find the root.
3347 (setq last-id (gnus-root-id id))
3348 (setq headers (list (car (gnus-id-to-thread last-id))
3349 (caadr (gnus-id-to-thread last-id))))
3350 ;; We have now found the real root of this thread. It might have
3351 ;; been gathered into some loose thread, so we have to search
3352 ;; through the threads to find the thread we wanted.
3353 (let ((threads gnus-newsgroup-threads)
3356 (setq sub (car threads))
3357 (if (stringp (car sub))
3358 ;; This is a gathered thread, so we look at the roots
3359 ;; below it to find whether this article is in this
3362 (setq sub (cdr sub))
3364 (when (member (caar sub) headers)
3365 (setq thread (car threads)
3368 (setq sub (cdr sub))))
3369 ;; It's an ordinary thread, so we check it.
3370 (when (eq (car sub) (car headers))
3373 (setq threads (cdr threads)))
3374 ;; If this article is in no thread, then it's a root.
3377 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
3378 (setq thread (gnus-id-to-thread last-id)))
3381 thread ; We return this thread.
3383 (if (stringp (car thread))
3385 ;; If we use dummy roots, then we have to remove the
3386 ;; dummy root as well.
3387 (when (eq gnus-summary-make-false-root 'dummy)
3388 ;; We go to the dummy root by going to
3389 ;; the first sub-"thread", and then one line up.
3390 (gnus-summary-goto-article
3391 (mail-header-number (caadr thread)))
3394 (gnus-data-compute-positions))
3395 (setq thread (cdr thread))
3397 (gnus-remove-thread-1 (car thread))
3398 (setq thread (cdr thread))))
3399 (gnus-remove-thread-1 thread))))))))
3401 (defun gnus-remove-thread-1 (thread)
3402 "Remove the thread THREAD recursively."
3403 (let ((number (mail-header-number (pop thread)))
3405 (setq thread (reverse thread))
3407 (gnus-remove-thread-1 (pop thread)))
3408 (when (setq d (gnus-data-find number))
3409 (goto-char (gnus-data-pos d))
3412 (- (gnus-point-at-bol)
3414 (1+ (gnus-point-at-eol))
3415 (gnus-delete-line)))))))
3417 (defun gnus-sort-threads (threads)
3419 (if (not gnus-thread-sort-functions)
3421 (gnus-message 7 "Sorting threads...")
3423 (sort threads (gnus-make-sort-function gnus-thread-sort-functions))
3424 (gnus-message 7 "Sorting threads...done"))))
3426 (defun gnus-sort-articles (articles)
3428 (when gnus-article-sort-functions
3429 (gnus-message 7 "Sorting articles...")
3431 (setq gnus-newsgroup-headers
3432 (sort articles (gnus-make-sort-function
3433 gnus-article-sort-functions)))
3434 (gnus-message 7 "Sorting articles...done"))))
3436 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
3437 (defmacro gnus-thread-header (thread)
3438 ;; Return header of first article in THREAD.
3439 ;; Note that THREAD must never, ever be anything else than a variable -
3440 ;; using some other form will lead to serious barfage.
3441 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
3442 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
3443 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207" ;
3446 (defsubst gnus-article-sort-by-number (h1 h2)
3447 "Sort articles by article number."
3448 (< (mail-header-number h1)
3449 (mail-header-number h2)))
3451 (defun gnus-thread-sort-by-number (h1 h2)
3452 "Sort threads by root article number."
3453 (gnus-article-sort-by-number
3454 (gnus-thread-header h1) (gnus-thread-header h2)))
3456 (defsubst gnus-article-sort-by-lines (h1 h2)
3457 "Sort articles by article Lines header."
3458 (< (mail-header-lines h1)
3459 (mail-header-lines h2)))
3461 (defun gnus-thread-sort-by-lines (h1 h2)
3462 "Sort threads by root article Lines header."
3463 (gnus-article-sort-by-lines
3464 (gnus-thread-header h1) (gnus-thread-header h2)))
3466 (defsubst gnus-article-sort-by-author (h1 h2)
3467 "Sort articles by root author."
3469 (let ((extract (funcall
3470 gnus-extract-address-components
3471 (mail-header-from h1))))
3472 (or (car extract) (cadr extract) ""))
3473 (let ((extract (funcall
3474 gnus-extract-address-components
3475 (mail-header-from h2))))
3476 (or (car extract) (cadr extract) ""))))
3478 (defun gnus-thread-sort-by-author (h1 h2)
3479 "Sort threads by root author."
3480 (gnus-article-sort-by-author
3481 (gnus-thread-header h1) (gnus-thread-header h2)))
3483 (defsubst gnus-article-sort-by-subject (h1 h2)
3484 "Sort articles by root subject."
3486 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
3487 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
3489 (defun gnus-thread-sort-by-subject (h1 h2)
3490 "Sort threads by root subject."
3491 (gnus-article-sort-by-subject
3492 (gnus-thread-header h1) (gnus-thread-header h2)))
3494 (defsubst gnus-article-sort-by-date (h1 h2)
3495 "Sort articles by root article date."
3497 (gnus-date-get-time (mail-header-date h1))
3498 (gnus-date-get-time (mail-header-date h2))))
3500 (defun gnus-thread-sort-by-date (h1 h2)
3501 "Sort threads by root article date."
3502 (gnus-article-sort-by-date
3503 (gnus-thread-header h1) (gnus-thread-header h2)))
3505 (defsubst gnus-article-sort-by-score (h1 h2)
3506 "Sort articles by root article score.
3507 Unscored articles will be counted as having a score of zero."
3508 (> (or (cdr (assq (mail-header-number h1)
3509 gnus-newsgroup-scored))
3510 gnus-summary-default-score 0)
3511 (or (cdr (assq (mail-header-number h2)
3512 gnus-newsgroup-scored))
3513 gnus-summary-default-score 0)))
3515 (defun gnus-thread-sort-by-score (h1 h2)
3516 "Sort threads by root article score."
3517 (gnus-article-sort-by-score
3518 (gnus-thread-header h1) (gnus-thread-header h2)))
3520 (defun gnus-thread-sort-by-total-score (h1 h2)
3521 "Sort threads by the sum of all scores in the thread.
3522 Unscored articles will be counted as having a score of zero."
3523 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
3525 (defun gnus-thread-total-score (thread)
3526 ;; This function find the total score of THREAD.
3527 (cond ((null thread)
3530 (if (stringp (car thread))
3531 (apply gnus-thread-score-function 0
3532 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
3533 (gnus-thread-total-score-1 thread)))
3535 (gnus-thread-total-score-1 (list thread)))))
3537 (defun gnus-thread-total-score-1 (root)
3538 ;; This function find the total score of the thread below ROOT.
3539 (setq root (car root))
3540 (apply gnus-thread-score-function
3542 (mapcar 'gnus-thread-total-score
3543 (cdr (gnus-id-to-thread (mail-header-id root))))
3544 (when (> (mail-header-number root) 0)
3545 (list (or (cdr (assq (mail-header-number root)
3546 gnus-newsgroup-scored))
3547 gnus-summary-default-score 0))))
3548 (list gnus-summary-default-score)
3551 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
3552 (defvar gnus-tmp-prev-subject nil)
3553 (defvar gnus-tmp-false-parent nil)
3554 (defvar gnus-tmp-root-expunged nil)
3555 (defvar gnus-tmp-dummy-line nil)
3557 (defun gnus-summary-prepare-threads (threads)
3558 "Prepare summary buffer from THREADS and indentation LEVEL.
3559 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
3560 or a straight list of headers."
3561 (gnus-message 7 "Generating summary...")
3563 (setq gnus-newsgroup-threads threads)
3566 (let ((gnus-tmp-level 0)
3567 (default-score (or gnus-summary-default-score 0))
3568 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
3569 thread number subject stack state gnus-tmp-gathered beg-match
3570 new-roots gnus-tmp-new-adopts thread-end
3571 gnus-tmp-header gnus-tmp-unread
3572 gnus-tmp-replied gnus-tmp-subject-or-nil
3573 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
3574 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
3575 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket)
3577 (setq gnus-tmp-prev-subject nil)
3579 (if (vectorp (car threads))
3580 ;; If this is a straight (sic) list of headers, then a
3581 ;; threaded summary display isn't required, so we just create
3582 ;; an unthreaded one.
3583 (gnus-summary-prepare-unthreaded threads)
3585 ;; Do the threaded display.
3587 (while (or threads stack gnus-tmp-new-adopts new-roots)
3589 (if (and (= gnus-tmp-level 0)
3592 (not gnus-tmp-false-parent)
3593 (or gnus-tmp-new-adopts new-roots))
3594 (if gnus-tmp-new-adopts
3595 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
3596 thread (list (car gnus-tmp-new-adopts))
3597 gnus-tmp-header (caar thread)
3598 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
3600 (setq thread (list (car new-roots))
3601 gnus-tmp-header (caar thread)
3602 new-roots (cdr new-roots))))
3605 ;; If there are some threads, we do them before the
3606 ;; threads on the stack.
3607 (setq thread threads
3608 gnus-tmp-header (caar thread))
3609 ;; There were no current threads, so we pop something off
3611 (setq state (car stack)
3612 gnus-tmp-level (car state)
3615 gnus-tmp-header (caar thread))))
3617 (setq gnus-tmp-false-parent nil)
3618 (setq gnus-tmp-root-expunged nil)
3619 (setq thread-end nil)
3621 (if (stringp gnus-tmp-header)
3622 ;; The header is a dummy root.
3624 ((eq gnus-summary-make-false-root 'adopt)
3625 ;; We let the first article adopt the rest.
3626 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
3628 (setq gnus-tmp-gathered
3630 (lambda (h) (mail-header-number (car h)))
3633 (setq thread (cons (list (caar thread)
3636 (setq gnus-tmp-level -1
3637 gnus-tmp-false-parent t))
3638 ((eq gnus-summary-make-false-root 'empty)
3639 ;; We print adopted articles with empty subject fields.
3640 (setq gnus-tmp-gathered
3642 (lambda (h) (mail-header-number (car h)))
3645 (setq gnus-tmp-level -1))
3646 ((eq gnus-summary-make-false-root 'dummy)
3647 ;; We remember that we probably want to output a dummy
3649 (setq gnus-tmp-dummy-line gnus-tmp-header)
3650 (setq gnus-tmp-prev-subject gnus-tmp-header))
3652 ;; We do not make a root for the gathered
3653 ;; sub-threads at all.
3654 (setq gnus-tmp-level -1)))
3656 (setq number (mail-header-number gnus-tmp-header)
3657 subject (mail-header-subject gnus-tmp-header))
3660 ;; If the thread has changed subject, we might want to make
3661 ;; this subthread into a root.
3662 ((and (null gnus-thread-ignore-subject)
3663 (not (zerop gnus-tmp-level))
3664 gnus-tmp-prev-subject
3666 (gnus-subject-equal gnus-tmp-prev-subject subject))))
3667 (setq new-roots (nconc new-roots (list (car thread)))
3669 gnus-tmp-header nil))
3670 ;; If the article lies outside the current limit,
3671 ;; then we do not display it.
3672 ((not (memq number gnus-newsgroup-limit))
3673 (setq gnus-tmp-gathered
3675 (lambda (h) (mail-header-number (car h)))
3678 (setq gnus-tmp-new-adopts (if (cdar thread)
3679 (append gnus-tmp-new-adopts
3681 gnus-tmp-new-adopts)
3683 gnus-tmp-header nil)
3684 (when (zerop gnus-tmp-level)
3685 (setq gnus-tmp-root-expunged t)))
3686 ;; Perhaps this article is to be marked as read?
3687 ((and gnus-summary-mark-below
3688 (< (or (cdr (assq number gnus-newsgroup-scored))
3690 gnus-summary-mark-below)
3691 ;; Don't touch sparse articles.
3692 (not (gnus-summary-article-sparse-p number))
3693 (not (gnus-summary-article-ancient-p number)))
3694 (setq gnus-newsgroup-unreads
3695 (delq number gnus-newsgroup-unreads))
3696 (if gnus-newsgroup-auto-expire
3697 (push number gnus-newsgroup-expirable)
3698 (push (cons number gnus-low-score-mark)
3699 gnus-newsgroup-reads))))
3701 (when gnus-tmp-header
3702 ;; We may have an old dummy line to output before this
3704 (when (and gnus-tmp-dummy-line
3707 (mail-header-subject gnus-tmp-header)))
3708 (gnus-summary-insert-dummy-line
3709 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
3710 (setq gnus-tmp-dummy-line nil))
3712 ;; Compute the mark.
3713 (setq gnus-tmp-unread (gnus-article-mark number))
3715 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
3716 gnus-tmp-header gnus-tmp-level)
3717 gnus-newsgroup-data)
3719 ;; Actually insert the line.
3721 gnus-tmp-subject-or-nil
3723 ((and gnus-thread-ignore-subject
3724 gnus-tmp-prev-subject
3725 (not (inline (gnus-subject-equal
3726 gnus-tmp-prev-subject subject))))
3728 ((zerop gnus-tmp-level)
3729 (if (and (eq gnus-summary-make-false-root 'empty)
3730 (memq number gnus-tmp-gathered)
3731 gnus-tmp-prev-subject
3732 (inline (gnus-subject-equal
3733 gnus-tmp-prev-subject subject)))
3734 gnus-summary-same-subject
3736 (t gnus-summary-same-subject)))
3737 (if (and (eq gnus-summary-make-false-root 'adopt)
3738 (= gnus-tmp-level 1)
3739 (memq number gnus-tmp-gathered))
3740 (setq gnus-tmp-opening-bracket ?\<
3741 gnus-tmp-closing-bracket ?\>)
3742 (setq gnus-tmp-opening-bracket ?\[
3743 gnus-tmp-closing-bracket ?\]))
3745 gnus-tmp-indentation
3746 (aref gnus-thread-indent-array gnus-tmp-level)
3747 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
3748 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
3749 gnus-summary-default-score 0)
3751 (if (or (null gnus-summary-default-score)
3752 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3753 gnus-summary-zcore-fuzz))
3755 (if (< gnus-tmp-score gnus-summary-default-score)
3756 gnus-score-below-mark gnus-score-over-mark))
3758 (cond ((memq number gnus-newsgroup-processable)
3760 ((memq number gnus-newsgroup-cached)
3762 ((memq number gnus-newsgroup-replied)
3764 ((memq number gnus-newsgroup-saved)
3766 (t gnus-unread-mark))
3767 gnus-tmp-from (mail-header-from gnus-tmp-header)
3770 ((string-match "<[^>]+> *$" gnus-tmp-from)
3771 (setq beg-match (match-beginning 0))
3772 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
3773 (substring gnus-tmp-from (1+ (match-beginning 0))
3774 (1- (match-end 0))))
3775 (substring gnus-tmp-from 0 beg-match)))
3776 ((string-match "(.+)" gnus-tmp-from)
3777 (substring gnus-tmp-from
3778 (1+ (match-beginning 0)) (1- (match-end 0))))
3780 (when (string= gnus-tmp-name "")
3781 (setq gnus-tmp-name gnus-tmp-from))
3782 (unless (numberp gnus-tmp-lines)
3783 (setq gnus-tmp-lines 0))
3784 (gnus-put-text-property-excluding-characters-with-faces
3786 (progn (eval gnus-summary-line-format-spec) (point))
3787 'gnus-number number)
3790 (gnus-run-hooks 'gnus-summary-update-hook)
3793 (setq gnus-tmp-prev-subject subject)))
3795 (when (nth 1 thread)
3796 (push (cons (max 0 gnus-tmp-level) (nthcdr 1 thread)) stack))
3797 (incf gnus-tmp-level)
3798 (setq threads (if thread-end nil (cdar thread)))
3800 (setq gnus-tmp-level 0)))))
3801 (gnus-message 7 "Generating summary...done"))
3803 (defun gnus-summary-prepare-unthreaded (headers)
3804 "Generate an unthreaded summary buffer based on HEADERS."
3805 (let (header number mark)
3810 ;; We may have to root out some bad articles...
3811 (when (memq (setq number (mail-header-number
3812 (setq header (pop headers))))
3813 gnus-newsgroup-limit)
3814 ;; Mark article as read when it has a low score.
3815 (when (and gnus-summary-mark-below
3816 (< (or (cdr (assq number gnus-newsgroup-scored))
3817 gnus-summary-default-score 0)
3818 gnus-summary-mark-below)
3819 (not (gnus-summary-article-ancient-p number)))
3820 (setq gnus-newsgroup-unreads
3821 (delq number gnus-newsgroup-unreads))
3822 (if gnus-newsgroup-auto-expire
3823 (push number gnus-newsgroup-expirable)
3824 (push (cons number gnus-low-score-mark)
3825 gnus-newsgroup-reads)))
3827 (setq mark (gnus-article-mark number))
3828 (push (gnus-data-make number mark (1+ (point)) header 0)
3829 gnus-newsgroup-data)
3830 (gnus-summary-insert-line
3832 mark (memq number gnus-newsgroup-replied)
3833 (memq number gnus-newsgroup-expirable)
3834 (mail-header-subject header) nil
3835 (cdr (assq number gnus-newsgroup-scored))
3836 (memq number gnus-newsgroup-processable))))))
3838 (defun gnus-select-newsgroup (group &optional read-all select-articles)
3839 "Select newsgroup GROUP.
3840 If READ-ALL is non-nil, all articles in the group are selected.
3841 If SELECT-ARTICLES, only select those articles from GROUP."
3842 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
3843 ;;!!! Dirty hack; should be removed.
3844 (gnus-summary-ignore-duplicates
3845 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
3847 gnus-summary-ignore-duplicates))
3848 (info (nth 2 entry))
3849 articles fetched-articles cached)
3851 (unless (gnus-check-server
3852 (setq gnus-current-select-method
3853 (gnus-find-method-for-group group)))
3854 (error "Couldn't open server"))
3856 (or (and entry (not (eq (car entry) t))) ; Either it's active...
3857 (gnus-activate-group group) ; Or we can activate it...
3858 (progn ; Or we bug out.
3859 (when (equal major-mode 'gnus-summary-mode)
3860 (kill-buffer (current-buffer)))
3861 (error "Couldn't request group %s: %s"
3862 group (gnus-status-message group))))
3864 (unless (gnus-request-group group t)
3865 (when (equal major-mode 'gnus-summary-mode)
3866 (kill-buffer (current-buffer)))
3867 (error "Couldn't request group %s: %s"
3868 group (gnus-status-message group)))
3870 (setq gnus-newsgroup-name group)
3871 (setq gnus-newsgroup-unselected nil)
3872 (setq gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
3874 ;; Adjust and set lists of article marks.
3876 (gnus-adjust-marked-articles info))
3878 ;; Kludge to avoid having cached articles nixed out in virtual groups.
3879 (when (gnus-virtual-group-p group)
3880 (setq cached gnus-newsgroup-cached))
3882 (setq gnus-newsgroup-unreads
3883 (gnus-set-difference
3884 (gnus-set-difference gnus-newsgroup-unreads gnus-newsgroup-marked)
3885 gnus-newsgroup-dormant))
3887 (setq gnus-newsgroup-processable nil)
3889 (gnus-update-read-articles group gnus-newsgroup-unreads)
3890 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
3891 (gnus-group-update-group group))
3893 (if (setq articles select-articles)
3894 (setq gnus-newsgroup-unselected
3895 (gnus-sorted-intersection
3896 gnus-newsgroup-unreads
3897 (gnus-sorted-complement gnus-newsgroup-unreads articles)))
3898 (setq articles (gnus-articles-to-read group read-all)))
3902 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
3904 ((eq articles 0) nil)
3906 ;; Init the dependencies hash table.
3907 (setq gnus-newsgroup-dependencies
3908 (gnus-make-hashtable (length articles)))
3909 ;; Retrieve the headers and read them in.
3910 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
3911 (setq gnus-newsgroup-headers
3913 (setq gnus-headers-retrieved-by
3914 (gnus-retrieve-headers
3915 articles gnus-newsgroup-name
3916 ;; We might want to fetch old headers, but
3917 ;; not if there is only 1 article.
3919 (not (eq gnus-fetch-old-headers 'some))
3920 (not (numberp gnus-fetch-old-headers)))
3921 (> (length articles) 1))
3922 gnus-fetch-old-headers))))
3923 (gnus-get-newsgroup-headers-xover
3924 articles nil nil gnus-newsgroup-name t)
3925 (gnus-get-newsgroup-headers)))
3926 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name)
3928 ;; Kludge to avoid having cached articles nixed out in virtual groups.
3930 (setq gnus-newsgroup-cached cached))
3932 ;; Suppress duplicates?
3933 (when gnus-suppress-duplicates
3934 (gnus-dup-suppress-articles))
3936 ;; Set the initial limit.
3937 (setq gnus-newsgroup-limit (copy-sequence articles))
3938 ;; Remove canceled articles from the list of unread articles.
3939 (setq gnus-newsgroup-unreads
3940 (gnus-set-sorted-intersection
3941 gnus-newsgroup-unreads
3942 (setq fetched-articles
3943 (mapcar (lambda (headers) (mail-header-number headers))
3944 gnus-newsgroup-headers))))
3945 ;; Removed marked articles that do not exist.
3946 (gnus-update-missing-marks
3947 (gnus-sorted-complement fetched-articles articles))
3948 ;; We might want to build some more threads first.
3949 (when (and gnus-fetch-old-headers
3950 (eq gnus-headers-retrieved-by 'nov))
3951 (if (eq gnus-fetch-old-headers 'invisible)
3952 (gnus-build-all-threads)
3953 (gnus-build-old-threads)))
3954 ;; Let the Gnus agent mark articles as read.
3956 (gnus-agent-get-undownloaded-list))
3957 ;; Check whether auto-expire is to be done in this group.
3958 (setq gnus-newsgroup-auto-expire
3959 (gnus-group-auto-expirable-p group))
3960 ;; Set up the article buffer now, if necessary.
3961 (unless gnus-single-article-buffer
3962 (gnus-article-setup-buffer))
3963 ;; First and last article in this newsgroup.
3964 (when gnus-newsgroup-headers
3965 (setq gnus-newsgroup-begin
3966 (mail-header-number (car gnus-newsgroup-headers))
3969 (gnus-last-element gnus-newsgroup-headers))))
3970 ;; GROUP is successfully selected.
3971 (or gnus-newsgroup-headers t)))))
3973 (defun gnus-articles-to-read (group &optional read-all)
3974 ;; Find out what articles the user wants to read.
3976 ;; Select all articles if `read-all' is non-nil, or if there
3977 ;; are no unread articles.
3979 (and (zerop (length gnus-newsgroup-marked))
3980 (zerop (length gnus-newsgroup-unreads)))
3981 (eq (gnus-group-find-parameter group 'display)
3983 (gnus-uncompress-range (gnus-active group))
3984 (sort (append gnus-newsgroup-dormant gnus-newsgroup-marked
3985 (copy-sequence gnus-newsgroup-unreads))
3987 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
3988 (scored (length scored-list))
3989 (number (length articles))
3990 (marked (+ (length gnus-newsgroup-marked)
3991 (length gnus-newsgroup-dormant)))
3999 ((and (or (<= scored marked) (= scored number))
4000 (numberp gnus-large-newsgroup)
4001 (> number gnus-large-newsgroup))
4005 "How many articles from %s (default %d): "
4006 (gnus-limit-string gnus-newsgroup-name 35)
4008 (if (string-match "^[ \t]*$" input) number input)))
4009 ((and (> scored marked) (< scored number)
4010 (> (- scored number) 20))
4013 (format "%s %s (%d scored, %d total): "
4014 "How many articles from"
4015 group scored number))))
4016 (if (string-match "^[ \t]*$" input)
4020 (setq select (if (stringp select) (string-to-number select) select))
4021 (if (or (null select) (zerop select))
4023 (if (and (not (zerop scored)) (<= (abs select) scored))
4025 (setq articles (sort scored-list '<))
4026 (setq number (length articles)))
4027 (setq articles (copy-sequence articles)))
4029 (when (< (abs select) number)
4031 ;; Select the N oldest articles.
4032 (setcdr (nthcdr (1- (abs select)) articles) nil)
4033 ;; Select the N most recent articles.
4034 (setq articles (nthcdr (- number select) articles))))
4035 (setq gnus-newsgroup-unselected
4036 (gnus-sorted-intersection
4037 gnus-newsgroup-unreads
4038 (gnus-sorted-complement gnus-newsgroup-unreads articles)))
4041 (defun gnus-killed-articles (killed articles)
4044 (when (inline (gnus-member-of-range (car articles) killed))
4045 (push (car articles) out))
4046 (setq articles (cdr articles)))
4049 (defun gnus-uncompress-marks (marks)
4050 "Uncompress the mark ranges in MARKS."
4051 (let ((uncompressed '(score bookmark))
4054 (if (memq (caar marks) uncompressed)
4055 (push (car marks) out)
4056 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
4057 (setq marks (cdr marks)))
4060 (defun gnus-adjust-marked-articles (info)
4061 "Set all article lists and remove all marks that are no longer legal."
4062 (let* ((marked-lists (gnus-info-marks info))
4063 (active (gnus-active (gnus-info-group info)))
4066 (types gnus-article-mark-lists)
4067 (uncompressed '(score bookmark killed))
4068 marks var articles article mark)
4071 (setq marks (pop marked-lists))
4072 (set (setq var (intern (format "gnus-newsgroup-%s"
4073 (car (rassq (setq mark (car marks))
4075 (if (memq (car marks) uncompressed) (cdr marks)
4076 (gnus-uncompress-range (cdr marks))))
4078 (setq articles (symbol-value var))
4080 ;; All articles have to be subsets of the active articles.
4082 ;; Adjust "simple" lists.
4083 ((memq mark '(tick dormant expire reply save))
4085 (when (or (< (setq article (pop articles)) min) (> article max))
4086 (set var (delq article (symbol-value var))))))
4088 ((memq mark uncompressed)
4089 (when (not (listp (cdr (symbol-value var))))
4090 (set var (list (symbol-value var))))
4091 (when (not (listp (cdr articles)))
4092 (setq articles (list articles)))
4094 (when (or (not (consp (setq article (pop articles))))
4095 (< (car article) min)
4096 (> (car article) max))
4097 (set var (delq article (symbol-value var))))))))))
4099 (defun gnus-update-missing-marks (missing)
4100 "Go through the list of MISSING articles and remove them from the mark lists."
4102 (let ((types gnus-article-mark-lists)
4104 ;; Go through all types.
4106 (setq var (intern (format "gnus-newsgroup-%s" (car (pop types)))))
4107 (when (symbol-value var)
4108 ;; This list has articles. So we delete all missing articles
4112 (set var (delq (pop m) (symbol-value var)))))))))
4114 (defun gnus-update-marks ()
4115 "Enter the various lists of marked articles into the newsgroup info list."
4116 (let ((types gnus-article-mark-lists)
4117 (info (gnus-get-info gnus-newsgroup-name))
4118 (uncompressed '(score bookmark killed))
4119 type list newmarked symbol)
4121 ;; Add all marks lists that are non-nil to the list of marks lists.
4122 (while (setq type (pop types))
4123 (when (setq list (symbol-value
4125 (intern (format "gnus-newsgroup-%s"
4128 ;; Get rid of the entries of the articles that have the
4130 (when (and (eq (cdr type) 'score)
4134 (prev (cons nil list))
4137 (if (or (not (consp (car arts)))
4138 (= (cdar arts) gnus-summary-default-score))
4139 (setcdr prev (cdr arts))
4141 (setq arts (cdr arts)))
4142 (setq list (cdr all))))
4144 (push (cons (cdr type)
4145 (if (memq (cdr type) uncompressed) list
4146 (gnus-compress-sequence
4147 (set symbol (sort list '<)) t)))
4150 ;; Enter these new marks into the info of the group.
4152 (setcar (nthcdr 3 info) newmarked)
4153 ;; Add the marks lists to the end of the info.
4155 (setcdr (nthcdr 2 info) (list newmarked))))
4157 ;; Cut off the end of the info if there's nothing else there.
4161 (when (nthcdr (decf i) info)
4162 (setcdr (nthcdr i info) nil)))))))
4164 (defun gnus-set-mode-line (where)
4165 "This function sets the mode line of the article or summary buffers.
4166 If WHERE is `summary', the summary mode line format will be used."
4167 ;; Is this mode line one we keep updated?
4168 (when (memq where gnus-updated-mode-lines)
4171 ;; We evaluate this in the summary buffer since these
4172 ;; variables are buffer-local to that buffer.
4173 (set-buffer gnus-summary-buffer)
4174 ;; We bind all these variables that are used in the `eval' form
4176 (let* ((mformat (symbol-value
4178 (format "gnus-%s-mode-line-format-spec" where))))
4179 (gnus-tmp-group-name gnus-newsgroup-name)
4180 (gnus-tmp-article-number (or gnus-current-article 0))
4181 (gnus-tmp-unread gnus-newsgroup-unreads)
4182 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
4183 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
4184 (gnus-tmp-unread-and-unselected
4185 (cond ((and (zerop gnus-tmp-unread-and-unticked)
4186 (zerop gnus-tmp-unselected))
4188 ((zerop gnus-tmp-unselected)
4189 (format "{%d more}" gnus-tmp-unread-and-unticked))
4190 (t (format "{%d(+%d) more}"
4191 gnus-tmp-unread-and-unticked
4192 gnus-tmp-unselected))))
4194 (if (and gnus-current-headers
4195 (vectorp gnus-current-headers))
4196 (gnus-mode-string-quote
4197 (mail-header-subject gnus-current-headers))
4199 bufname-length max-len
4200 gnus-tmp-header);; passed as argument to any user-format-funcs
4201 (setq mode-string (eval mformat))
4202 (setq bufname-length (if (string-match "%b" mode-string)
4205 (if (eq where 'summary)
4207 (get-buffer gnus-article-buffer))))
4210 (setq max-len (max 4 (if gnus-mode-non-string-length
4212 gnus-mode-non-string-length
4214 (length mode-string))))
4215 ;; We might have to chop a bit of the string off...
4216 (when (> (length mode-string) max-len)
4218 (concat (gnus-truncate-string mode-string (- max-len 3))
4220 ;; Pad the mode string a bit.
4221 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
4222 ;; Update the mode line.
4223 (setq mode-line-buffer-identification
4224 (gnus-mode-line-buffer-identification (list mode-string)))
4225 (set-buffer-modified-p t))))
4227 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
4228 "Go through the HEADERS list and add all Xrefs to a hash table.
4229 The resulting hash table is returned, or nil if no Xrefs were found."
4230 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
4231 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
4232 (xref-hashtb (gnus-make-hashtable))
4233 start group entry number xrefs header)
4235 (setq header (pop headers))
4236 (when (and (setq xrefs (mail-header-xref header))
4237 (not (memq (setq number (mail-header-number header))
4240 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
4241 (setq start (match-end 0))
4242 (setq group (if prefix
4243 (concat prefix (substring xrefs (match-beginning 1)
4245 (substring xrefs (match-beginning 1) (match-end 1))))
4247 (string-to-int (substring xrefs (match-beginning 2)
4249 (if (setq entry (gnus-gethash group xref-hashtb))
4250 (setcdr entry (cons number (cdr entry)))
4251 (gnus-sethash group (cons number nil) xref-hashtb)))))
4252 (and start xref-hashtb)))
4254 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
4255 "Look through all the headers and mark the Xrefs as read."
4256 (let ((virtual (gnus-virtual-group-p from-newsgroup))
4257 name entry info xref-hashtb idlist method nth4)
4259 (set-buffer gnus-group-buffer)
4260 (when (setq xref-hashtb
4261 (gnus-create-xref-hashtb from-newsgroup headers unreads))
4264 (unless (string= from-newsgroup (setq name (symbol-name group)))
4265 (setq idlist (symbol-value group))
4266 ;; Dead groups are not updated.
4268 (setq entry (gnus-gethash name gnus-newsrc-hashtb)
4270 (when (stringp (setq nth4 (gnus-info-method info)))
4271 (setq nth4 (gnus-server-to-method nth4))))
4272 ;; Only do the xrefs if the group has the same
4273 ;; select method as the group we have just read.
4274 (or (gnus-methods-equal-p
4275 nth4 (gnus-find-method-for-group from-newsgroup))
4277 (equal nth4 (setq method (gnus-find-method-for-group
4279 (and (equal (car nth4) (car method))
4280 (equal (nth 1 nth4) (nth 1 method))))
4281 gnus-use-cross-reference
4282 (or (not (eq gnus-use-cross-reference t))
4284 ;; Only do cross-references on subscribed
4285 ;; groups, if that is what is wanted.
4286 (<= (gnus-info-level info) gnus-level-subscribed))
4287 (gnus-group-make-articles-read name idlist))))
4290 (defun gnus-compute-read-articles (group articles)
4291 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
4292 (info (nth 2 entry))
4293 (active (gnus-active group))
4296 ;; First peel off all illegal article numbers.
4298 (let ((ids articles)
4300 (while (setq id (pop ids))
4301 (when (and first (> id (cdr active)))
4302 ;; We'll end up in this situation in one particular
4303 ;; obscure situation. If you re-scan a group and get
4304 ;; a new article that is cross-posted to a different
4305 ;; group that has not been re-scanned, you might get
4306 ;; crossposted article that has a higher number than
4307 ;; Gnus believes possible. So we re-activate this
4308 ;; group as well. This might mean doing the
4309 ;; crossposting thingy will *increase* the number
4310 ;; of articles in some groups. Tsk, tsk.
4311 (setq active (or (gnus-activate-group group) active)))
4312 (when (or (> id (cdr active))
4313 (< id (car active)))
4314 (setq articles (delq id articles))))))
4315 ;; If the read list is nil, we init it.
4317 (null (gnus-info-read info))
4319 (setq ninfo (cons 1 (1- (car active))))
4320 (setq ninfo (gnus-info-read info)))
4321 ;; Then we add the read articles to the range.
4323 ninfo (setq articles (sort articles '<))))))
4325 (defun gnus-group-make-articles-read (group articles)
4326 "Update the info of GROUP to say that ARTICLES are read."
4328 (entry (gnus-gethash group gnus-newsrc-hashtb))
4329 (info (nth 2 entry))
4330 (active (gnus-active group))
4333 (setq range (gnus-compute-read-articles group articles))
4335 (set-buffer gnus-group-buffer)
4338 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
4339 (gnus-info-set-read ',info ',(gnus-info-read info))
4340 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
4341 (gnus-group-update-group ,group t))))
4342 ;; Add the read articles to the range.
4343 (gnus-info-set-read info range)
4344 ;; Then we have to re-compute how many unread
4345 ;; articles there are in this group.
4349 (setq num (- (1+ (cdr active)) (car active))))
4350 ((not (listp (cdr range)))
4351 (setq num (- (cdr active) (- (1+ (cdr range))
4355 (if (numberp (car range))
4357 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
4358 (setq range (cdr range)))
4359 (setq num (- (cdr active) num))))
4360 ;; Update the number of unread articles.
4362 ;; Update the group buffer.
4363 (gnus-group-update-group group t)))))
4365 (defun gnus-methods-equal-p (m1 m2)
4366 (let ((m1 (or m1 gnus-select-method))
4367 (m2 (or m2 gnus-select-method)))
4369 (and (eq (car m1) (car m2))
4370 (or (not (memq 'address (assoc (symbol-name (car m1))
4371 gnus-valid-select-methods)))
4372 (equal (nth 1 m1) (nth 1 m2)))))))
4374 (defvar gnus-newsgroup-none-id 0)
4376 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
4377 (let ((cur nntp-server-buffer)
4380 (save-excursion (set-buffer gnus-summary-buffer)
4381 gnus-newsgroup-dependencies)))
4382 headers id id-dep ref-dep end ref)
4384 (set-buffer nntp-server-buffer)
4385 ;; Translate all TAB characters into SPACE characters.
4386 (subst-char-in-region (point-min) (point-max) ?\t ? t)
4387 (gnus-run-hooks 'gnus-parse-headers-hook)
4388 (let ((case-fold-search t)
4389 in-reply-to header p lines chars)
4390 (goto-char (point-min))
4391 ;; Search to the beginning of the next header. Error messages
4392 ;; do not begin with 2 or 3.
4393 (while (re-search-forward "^[23][0-9]+ " nil t)
4396 ;; This implementation of this function, with nine
4397 ;; search-forwards instead of the one re-search-forward and
4398 ;; a case (which basically was the old function) is actually
4399 ;; about twice as fast, even though it looks messier. You
4400 ;; can't have everything, I guess. Speed and elegance
4401 ;; doesn't always go hand in hand.
4410 (narrow-to-region (point)
4411 (or (and (search-forward "\n.\n" nil t)
4417 (if (search-forward "\nsubject: " nil t)
4419 gnus-unstructured-field-decoder (nnheader-header-value))
4424 (if (search-forward "\nfrom: " nil t)
4426 gnus-structured-field-decoder (nnheader-header-value))
4431 (if (search-forward "\ndate: " nil t)
4432 (nnheader-header-value) ""))
4436 (setq id (if (re-search-forward
4437 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
4438 ;; We do it this way to make sure the Message-ID
4439 ;; is (somewhat) syntactically valid.
4440 (buffer-substring (match-beginning 1)
4442 ;; If there was no message-id, we just fake one
4443 ;; to make subsequent routines simpler.
4444 (nnheader-generate-fake-message-id))))
4448 (if (search-forward "\nreferences: " nil t)
4452 (nnheader-header-value)
4457 (search-backward ">" end t)
4460 (search-backward "<" end t)
4462 ;; Get the references from the in-reply-to header if there
4463 ;; were no references and the in-reply-to header looks
4465 (if (and (search-forward "\nin-reply-to: " nil t)
4466 (setq in-reply-to (nnheader-header-value))
4467 (string-match "<[^>]+>" in-reply-to))
4469 (setq ref (substring in-reply-to (match-beginning 0)
4471 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
4472 (setq ref2 (substring in-reply-to (match-beginning 0)
4474 (when (> (length ref2) (length ref))
4480 (if (search-forward "\nchars: " nil t)
4481 (if (numberp (setq chars (ignore-errors (read cur))))
4487 (if (search-forward "\nlines: " nil t)
4488 (if (numberp (setq lines (ignore-errors (read cur))))
4494 (and (search-forward "\nxref: " nil t)
4495 (nnheader-header-value)))))
4496 (when (equal id ref)
4499 (when gnus-alter-header-function
4500 (funcall gnus-alter-header-function header)
4501 (setq id (mail-header-id header)
4502 ref (gnus-parent-id (mail-header-references header))))
4505 (gnus-dependencies-add-header
4506 header dependencies force-new))
4507 (push header headers))
4508 (goto-char (point-max))
4510 (nreverse headers)))))
4512 ;; Goes through the xover lines and returns a list of vectors
4513 (defun gnus-get-newsgroup-headers-xover (sequence &optional
4514 force-new dependencies
4515 group also-fetch-heads)
4516 "Parse the news overview data in the server buffer, and return a
4517 list of headers that match SEQUENCE (see `nntp-retrieve-headers')."
4518 ;; Get the Xref when the users reads the articles since most/some
4519 ;; NNTP servers do not include Xrefs when using XOVER.
4520 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
4521 (let ((cur nntp-server-buffer)
4522 (dependencies (or dependencies gnus-newsgroup-dependencies))
4523 number headers header)
4525 (set-buffer nntp-server-buffer)
4526 ;; Allow the user to mangle the headers before parsing them.
4527 (gnus-run-hooks 'gnus-parse-headers-hook)
4528 (goto-char (point-min))
4531 (while (and sequence (not (eobp)))
4532 (setq number (read cur))
4533 (while (and sequence
4534 (< (car sequence) number))
4535 (setq sequence (cdr sequence)))
4537 (eq number (car sequence))
4539 (setq sequence (cdr sequence))
4540 (setq header (inline
4541 (gnus-nov-parse-line
4542 number dependencies force-new))))
4543 (push header headers))
4546 (gnus-error 4 "Strange nov line (%d)"
4547 (count-lines (point-min) (point)))))
4549 ;; A common bug in inn is that if you have posted an article and
4550 ;; then retrieves the active file, it will answer correctly --
4551 ;; the new article is included. However, a NOV entry for the
4552 ;; article may not have been generated yet, so this may fail.
4553 ;; We work around this problem by retrieving the last few
4554 ;; headers using HEAD.
4555 (if (or (not also-fetch-heads)
4557 ;; We (probably) got all the headers.
4559 (let ((gnus-nov-is-evil t))
4562 (when (gnus-retrieve-headers sequence group)
4563 (gnus-get-newsgroup-headers))))))))
4565 (defun gnus-article-get-xrefs ()
4566 "Fill in the Xref value in `gnus-current-headers', if necessary.
4567 This is meant to be called in `gnus-article-internal-prepare-hook'."
4568 (let ((headers (save-excursion (set-buffer gnus-summary-buffer)
4569 gnus-current-headers)))
4570 (or (not gnus-use-cross-reference)
4572 (and (mail-header-xref headers)
4573 (not (string= (mail-header-xref headers) "")))
4574 (let ((case-fold-search t)
4577 (nnheader-narrow-to-headers)
4578 (goto-char (point-min))
4579 (when (or (and (eq (downcase (following-char)) ?x)
4580 (looking-at "Xref:"))
4581 (search-forward "\nXref:" nil t))
4582 (goto-char (1+ (match-end 0)))
4583 (setq xref (buffer-substring (point)
4584 (progn (end-of-line) (point))))
4585 (mail-header-set-xref headers xref)))))))
4587 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
4588 "Find article ID and insert the summary line for that article.
4589 OLD-HEADER can either be a header or a line number to insert
4590 the subject line on."
4591 (let* ((line (and (numberp old-header) old-header))
4592 (old-header (and (vectorp old-header) old-header))
4593 (header (cond ((and old-header use-old-header)
4596 (gnus-number-to-header id))
4597 (gnus-number-to-header id))
4599 (gnus-read-header id))))
4600 (number (and (numberp id) id))
4603 ;; Rebuild the thread that this article is part of and go to the
4604 ;; article we have fetched.
4605 (when (and (not gnus-show-threads)
4608 (setq d (gnus-data-find (mail-header-number old-header))))
4609 (goto-char (gnus-data-pos d))
4612 (- (gnus-point-at-bol)
4614 (1+ (gnus-point-at-eol))
4615 (gnus-delete-line))))))
4617 (mail-header-set-number header (mail-header-number old-header)))
4618 (setq gnus-newsgroup-sparse
4619 (delq (setq number (mail-header-number header))
4620 gnus-newsgroup-sparse))
4621 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
4622 (push number gnus-newsgroup-limit)
4623 (gnus-rebuild-thread (mail-header-id header) line)
4624 (gnus-summary-goto-subject number nil t))
4625 (when (and (numberp number)
4627 ;; We have to update the boundaries even if we can't fetch the
4628 ;; article if ID is a number -- so that the next `P' or `N'
4629 ;; command will fetch the previous (or next) article even
4630 ;; if the one we tried to fetch this time has been canceled.
4631 (when (> number gnus-newsgroup-end)
4632 (setq gnus-newsgroup-end number))
4633 (when (< number gnus-newsgroup-begin)
4634 (setq gnus-newsgroup-begin number))
4635 (setq gnus-newsgroup-unselected
4636 (delq number gnus-newsgroup-unselected)))
4637 ;; Report back a success?
4638 (and header (mail-header-number header))))
4640 ;;; Process/prefix in the summary buffer
4642 (defun gnus-summary-work-articles (n)
4643 "Return a list of articles to be worked upon.
4644 The prefix argument, the list of process marked articles, and the
4645 current article will be taken into consideration."
4647 (set-buffer gnus-summary-buffer)
4650 ;; A numerical prefix has been given.
4651 (setq n (prefix-numeric-value n))
4652 (let ((backward (< n 0))
4653 (n (abs (prefix-numeric-value n)))
4658 (push (setq article (gnus-summary-article-number))
4661 (gnus-summary-find-prev nil article)
4662 (gnus-summary-find-next nil article)))
4664 (nreverse articles)))
4665 ((and (gnus-region-active-p) (mark))
4666 (message "region active")
4667 ;; Work on the region between point and mark.
4668 (let ((max (max (point) (mark)))
4671 (goto-char (min (point) (mark)))
4674 (push (setq article (gnus-summary-article-number)) articles)
4675 (gnus-summary-find-next nil article)
4677 (nreverse articles))))
4678 (gnus-newsgroup-processable
4679 ;; There are process-marked articles present.
4680 ;; Save current state.
4681 (gnus-summary-save-process-mark)
4683 (reverse gnus-newsgroup-processable))
4685 ;; Just return the current article.
4686 (list (gnus-summary-article-number))))))
4688 (defmacro gnus-summary-iterate (arg &rest forms)
4689 "Iterate over the process/prefixed articles and do FORMS.
4690 ARG is the interactive prefix given to the command. FORMS will be
4691 executed with point over the summary line of the articles."
4692 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
4693 `(let ((,articles (gnus-summary-work-articles ,arg)))
4695 (gnus-summary-goto-subject (car ,articles))
4698 (put 'gnus-summary-iterate 'lisp-indent-function 1)
4699 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
4701 (defun gnus-summary-save-process-mark ()
4702 "Push the current set of process marked articles on the stack."
4704 (push (copy-sequence gnus-newsgroup-processable)
4705 gnus-newsgroup-process-stack))
4707 (defun gnus-summary-kill-process-mark ()
4708 "Push the current set of process marked articles on the stack and unmark."
4710 (gnus-summary-save-process-mark)
4711 (gnus-summary-unmark-all-processable))
4713 (defun gnus-summary-yank-process-mark ()
4714 "Pop the last process mark state off the stack and restore it."
4716 (unless gnus-newsgroup-process-stack
4717 (error "Empty mark stack"))
4718 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
4720 (defun gnus-summary-process-mark-set (set)
4721 "Make SET into the current process marked articles."
4722 (gnus-summary-unmark-all-processable)
4724 (gnus-summary-set-process-mark (pop set))))
4726 ;;; Searching and stuff
4728 (defun gnus-summary-search-group (&optional backward use-level)
4729 "Search for next unread newsgroup.
4730 If optional argument BACKWARD is non-nil, search backward instead."
4732 (set-buffer gnus-group-buffer)
4733 (when (gnus-group-search-forward
4734 backward nil (if use-level (gnus-group-group-level) nil))
4735 (gnus-group-group-name))))
4737 (defun gnus-summary-best-group (&optional exclude-group)
4738 "Find the name of the best unread group.
4739 If EXCLUDE-GROUP, do not go to this group."
4741 (set-buffer gnus-group-buffer)
4743 (gnus-group-best-unread-group exclude-group))))
4745 (defun gnus-summary-find-next (&optional unread article backward undownloaded)
4746 (if backward (gnus-summary-find-prev)
4747 (let* ((dummy (gnus-summary-article-intangible-p))
4748 (article (or article (gnus-summary-article-number)))
4749 (arts (gnus-data-find-list article))
4751 (when (and (not dummy)
4752 (or (not gnus-summary-check-current)
4754 (not (gnus-data-unread-p (car arts)))))
4755 (setq arts (cdr arts)))
4760 (when (or (and undownloaded
4761 (eq gnus-undownloaded-mark
4762 (gnus-data-mark (car arts))))
4763 (gnus-data-unread-p (car arts)))
4764 (setq result (car arts)
4766 (setq arts (cdr arts)))
4769 (goto-char (gnus-data-pos result))
4770 (gnus-data-number result)))))
4772 (defun gnus-summary-find-prev (&optional unread article)
4773 (let* ((eobp (eobp))
4774 (article (or article (gnus-summary-article-number)))
4775 (arts (gnus-data-find-list article (gnus-data-list 'rev)))
4777 (when (and (not eobp)
4778 (or (not gnus-summary-check-current)
4780 (not (gnus-data-unread-p (car arts)))))
4781 (setq arts (cdr arts)))
4786 (when (gnus-data-unread-p (car arts))
4787 (setq result (car arts)
4789 (setq arts (cdr arts)))
4792 (goto-char (gnus-data-pos result))
4793 (gnus-data-number result))))
4795 (defun gnus-summary-find-subject (subject &optional unread backward article)
4796 (let* ((simp-subject (gnus-simplify-subject-fully subject))
4797 (article (or article (gnus-summary-article-number)))
4798 (articles (gnus-data-list backward))
4799 (arts (gnus-data-find-list article articles))
4801 (when (or (not gnus-summary-check-current)
4803 (not (gnus-data-unread-p (car arts))))
4804 (setq arts (cdr arts)))
4806 (and (or (not unread)
4807 (gnus-data-unread-p (car arts)))
4808 (vectorp (gnus-data-header (car arts)))
4810 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
4811 (setq result (car arts)
4813 (setq arts (cdr arts)))
4815 (goto-char (gnus-data-pos result))
4816 (gnus-data-number result))))
4818 (defun gnus-summary-search-forward (&optional unread subject backward)
4819 "Search forward for an article.
4820 If UNREAD, look for unread articles. If SUBJECT, look for
4821 articles with that subject. If BACKWARD, search backward instead."
4822 (cond (subject (gnus-summary-find-subject subject unread backward))
4823 (backward (gnus-summary-find-prev unread))
4824 (t (gnus-summary-find-next unread))))
4826 (defun gnus-recenter (&optional n)
4827 "Center point in window and redisplay frame.
4828 Also do horizontal recentering."
4830 (when (and gnus-auto-center-summary
4831 (not (eq gnus-auto-center-summary 'vertical)))
4832 (gnus-horizontal-recenter))
4835 (defun gnus-summary-recenter ()
4836 "Center point in the summary window.
4837 If `gnus-auto-center-summary' is nil, or the article buffer isn't
4838 displayed, no centering will be performed."
4839 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
4840 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
4841 (let* ((top (cond ((< (window-height) 4) 0)
4842 ((< (window-height) 7) 1)
4844 (height (1- (window-height)))
4845 (bottom (save-excursion (goto-char (point-max))
4846 (forward-line (- height))
4848 (window (get-buffer-window (current-buffer))))
4849 ;; The user has to want it.
4850 (when gnus-auto-center-summary
4851 (when (get-buffer-window gnus-article-buffer)
4852 ;; Only do recentering when the article buffer is displayed,
4853 ;; Set the window start to either `bottom', which is the biggest
4854 ;; possible valid number, or the second line from the top,
4855 ;; whichever is the least.
4857 window (min bottom (save-excursion
4858 (forward-line (- top)) (point)))))
4859 ;; Do horizontal recentering while we're at it.
4860 (when (and (get-buffer-window (current-buffer) t)
4861 (not (eq gnus-auto-center-summary 'vertical)))
4862 (let ((selected (selected-window)))
4863 (select-window (get-buffer-window (current-buffer) t))
4864 (gnus-summary-position-point)
4865 (gnus-horizontal-recenter)
4866 (select-window selected))))))
4868 (defun gnus-summary-jump-to-group (newsgroup)
4869 "Move point to NEWSGROUP in group mode buffer."
4870 ;; Keep update point of group mode buffer if visible.
4871 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
4872 (save-window-excursion
4873 ;; Take care of tree window mode.
4874 (when (get-buffer-window gnus-group-buffer)
4875 (pop-to-buffer gnus-group-buffer))
4876 (gnus-group-jump-to-group newsgroup))
4878 ;; Take care of tree window mode.
4879 (if (get-buffer-window gnus-group-buffer)
4880 (pop-to-buffer gnus-group-buffer)
4881 (set-buffer gnus-group-buffer))
4882 (gnus-group-jump-to-group newsgroup))))
4884 ;; This function returns a list of article numbers based on the
4885 ;; difference between the ranges of read articles in this group and
4886 ;; the range of active articles.
4887 (defun gnus-list-of-unread-articles (group)
4888 (let* ((read (gnus-info-read (gnus-get-info group)))
4889 (active (or (gnus-active group) (gnus-activate-group group)))
4892 ;; If none are read, then all are unread.
4894 (setq first (car active))
4895 ;; If the range of read articles is a single range, then the
4896 ;; first unread article is the article after the last read
4897 ;; article. Sounds logical, doesn't it?
4898 (if (not (listp (cdr read)))
4899 (setq first (max (car active) (1+ (cdr read))))
4900 ;; `read' is a list of ranges.
4901 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
4904 (setq first (car active)))
4907 (while (< first nlast)
4909 (setq first (1+ first))))
4910 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
4911 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
4912 (setq read (cdr read)))))
4913 ;; And add the last unread articles.
4914 (while (<= first last)
4916 (setq first (1+ first)))
4917 ;; Return the list of unread articles.
4918 (delq 0 (nreverse unread))))
4920 (defun gnus-list-of-read-articles (group)
4921 "Return a list of unread, unticked and non-dormant articles."
4922 (let* ((info (gnus-get-info group))
4923 (marked (gnus-info-marks info))
4924 (active (gnus-active group)))
4926 (gnus-set-difference
4927 (gnus-sorted-complement
4928 (gnus-uncompress-range active)
4929 (gnus-list-of-unread-articles group))
4931 (gnus-uncompress-range (cdr (assq 'dormant marked)))
4932 (gnus-uncompress-range (cdr (assq 'tick marked))))))))
4934 ;; Various summary commands
4936 (defun gnus-summary-select-article-buffer ()
4937 "Reconfigure windows to show article buffer."
4939 (if (not (gnus-buffer-live-p gnus-article-buffer))
4940 (error "There is no article buffer for this summary buffer")
4941 (gnus-configure-windows 'article)
4942 (select-window (get-buffer-window gnus-article-buffer))))
4944 (defun gnus-summary-universal-argument (arg)
4945 "Perform any operation on all articles that are process/prefixed."
4947 (let ((articles (gnus-summary-work-articles arg))
4954 (substitute-command-keys
4955 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"
4958 (gnus-error 1 "Undefined key")
4961 (gnus-summary-goto-subject (setq article (pop articles)))
4962 (let (gnus-newsgroup-processable)
4963 (command-execute func))
4964 (gnus-summary-remove-process-mark article)))))
4965 (gnus-summary-position-point))
4967 (defun gnus-summary-toggle-truncation (&optional arg)
4968 "Toggle truncation of summary lines.
4969 With arg, turn line truncation on iff arg is positive."
4971 (setq truncate-lines
4972 (if (null arg) (not truncate-lines)
4973 (> (prefix-numeric-value arg) 0)))
4976 (defun gnus-summary-reselect-current-group (&optional all rescan)
4977 "Exit and then reselect the current newsgroup.
4978 The prefix argument ALL means to select all articles."
4980 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
4981 (error "Ephemeral groups can't be reselected"))
4982 (let ((current-subject (gnus-summary-article-number))
4983 (group gnus-newsgroup-name))
4984 (setq gnus-newsgroup-begin nil)
4986 ;; We have to adjust the point of group mode buffer because
4987 ;; point was moved to the next unread newsgroup by exiting.
4988 (gnus-summary-jump-to-group group)
4991 (gnus-group-get-new-news-this-group 1)))
4992 (gnus-group-read-group all t)
4993 (gnus-summary-goto-subject current-subject nil t)))
4995 (defun gnus-summary-rescan-group (&optional all)
4996 "Exit the newsgroup, ask for new articles, and select the newsgroup."
4998 (gnus-summary-reselect-current-group all t))
5000 (defun gnus-summary-update-info (&optional non-destructive)
5002 (let ((group gnus-newsgroup-name))
5004 (when gnus-newsgroup-kill-headers
5005 (setq gnus-newsgroup-killed
5006 (gnus-compress-sequence
5008 (gnus-set-sorted-intersection
5009 (gnus-uncompress-range gnus-newsgroup-killed)
5010 (setq gnus-newsgroup-unselected
5011 (sort gnus-newsgroup-unselected '<)))
5012 (setq gnus-newsgroup-unreads
5013 (sort gnus-newsgroup-unreads '<)))
5015 (unless (listp (cdr gnus-newsgroup-killed))
5016 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
5017 (let ((headers gnus-newsgroup-headers))
5018 ;; Set the new ranges of read articles.
5020 (set-buffer gnus-group-buffer)
5021 (gnus-undo-force-boundary))
5022 (gnus-update-read-articles
5023 group (append gnus-newsgroup-unreads gnus-newsgroup-unselected))
5024 ;; Set the current article marks.
5025 (let ((gnus-newsgroup-scored
5026 (if (and (not gnus-save-score)
5027 (not non-destructive))
5029 gnus-newsgroup-scored)))
5031 (gnus-update-marks)))
5032 ;; Do the cross-ref thing.
5033 (when gnus-use-cross-reference
5034 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
5035 ;; Do not switch windows but change the buffer to work.
5036 (set-buffer gnus-group-buffer)
5037 (unless (gnus-ephemeral-group-p group)
5038 (gnus-group-update-group group)))))))
5040 (defun gnus-summary-save-newsrc (&optional force)
5041 "Save the current number of read/marked articles in the dribble buffer.
5042 The dribble buffer will then be saved.
5043 If FORCE (the prefix), also save the .newsrc file(s)."
5045 (gnus-summary-update-info t)
5047 (gnus-save-newsrc-file)
5048 (gnus-dribble-save)))
5050 (defun gnus-summary-exit (&optional temporary)
5051 "Exit reading current newsgroup, and then return to group selection mode.
5052 gnus-exit-group-hook is called with no arguments if that value is non-nil."
5054 (gnus-set-global-variables)
5055 (gnus-kill-save-kill-buffer)
5056 (gnus-async-halt-prefetch)
5057 (let* ((group gnus-newsgroup-name)
5058 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
5061 (buf (current-buffer)))
5062 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
5063 ;; If we have several article buffers, we kill them at exit.
5064 (unless gnus-single-article-buffer
5065 (gnus-kill-buffer gnus-original-article-buffer)
5066 (setq gnus-article-current nil))
5067 (when gnus-use-cache
5068 (gnus-cache-possibly-remove-articles)
5069 (gnus-cache-save-buffers))
5070 (gnus-async-prefetch-remove-group group)
5071 (when gnus-suppress-duplicates
5072 (gnus-dup-enter-articles))
5073 (when gnus-use-trees
5074 (gnus-tree-close group))
5075 ;; Remove entries for this group.
5076 (nnmail-purge-split-history (gnus-group-real-name group))
5077 ;; Make all changes in this group permanent.
5079 (gnus-run-hooks 'gnus-exit-group-hook)
5080 (gnus-summary-update-info)
5081 ;; Do adaptive scoring, and possibly save score files.
5082 (when gnus-newsgroup-adaptive
5083 (gnus-score-adaptive))
5084 (when gnus-use-scoring
5086 (gnus-close-group group)
5087 ;; Make sure where we were, and go to next newsgroup.
5088 (set-buffer gnus-group-buffer)
5090 (gnus-group-jump-to-group group))
5091 (gnus-run-hooks 'gnus-summary-exit-hook)
5092 (unless (or quit-config
5093 ;; If this group has disappeared from the summary
5094 ;; buffer, don't skip forwards.
5095 (not (string= group (gnus-group-group-name))))
5096 (gnus-group-next-unread-group 1))
5097 (setq group-point (point))
5100 ;; If we have several article buffers, we kill them at exit.
5101 (unless gnus-single-article-buffer
5102 (gnus-kill-buffer gnus-article-buffer)
5103 (gnus-kill-buffer gnus-original-article-buffer)
5104 (setq gnus-article-current nil))
5106 (if (not gnus-kill-summary-on-exit)
5107 (gnus-deaden-summary)
5108 ;; We set all buffer-local variables to nil. It is unclear why
5109 ;; this is needed, but if we don't, buffer-local variables are
5110 ;; not garbage-collected, it seems. This would the lead to en
5111 ;; ever-growing Emacs.
5112 (gnus-summary-clear-local-variables)
5113 (when (get-buffer gnus-article-buffer)
5114 (bury-buffer gnus-article-buffer))
5115 ;; We clear the global counterparts of the buffer-local
5116 ;; variables as well, just to be on the safe side.
5117 (set-buffer gnus-group-buffer)
5118 (gnus-summary-clear-local-variables)
5119 ;; Return to group mode buffer.
5120 (when (eq mode 'gnus-summary-mode)
5121 (gnus-kill-buffer buf)))
5122 (setq gnus-current-select-method gnus-select-method)
5123 (pop-to-buffer gnus-group-buffer)
5124 ;; Clear the current group name.
5125 (if (not quit-config)
5127 (goto-char group-point)
5128 (gnus-configure-windows 'group 'force))
5129 (gnus-handle-ephemeral-exit quit-config))
5131 (setq gnus-newsgroup-name nil)))))
5133 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
5134 (defun gnus-summary-exit-no-update (&optional no-questions)
5135 "Quit reading current newsgroup without updating read article info."
5137 (let* ((group gnus-newsgroup-name)
5138 (quit-config (gnus-group-quit-config group)))
5139 (when (or no-questions
5141 (gnus-y-or-n-p "Discard changes to this group and exit? "))
5142 (gnus-async-halt-prefetch)
5143 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
5144 ;; If we have several article buffers, we kill them at exit.
5145 (unless gnus-single-article-buffer
5146 (gnus-kill-buffer gnus-article-buffer)
5147 (gnus-kill-buffer gnus-original-article-buffer)
5148 (setq gnus-article-current nil))
5149 (if (not gnus-kill-summary-on-exit)
5150 (gnus-deaden-summary)
5151 (gnus-close-group group)
5152 (gnus-summary-clear-local-variables)
5153 (set-buffer gnus-group-buffer)
5154 (gnus-summary-clear-local-variables)
5155 (when (get-buffer gnus-summary-buffer)
5156 (kill-buffer gnus-summary-buffer)))
5157 (unless gnus-single-article-buffer
5158 (setq gnus-article-current nil))
5159 (when gnus-use-trees
5160 (gnus-tree-close group))
5161 (gnus-async-prefetch-remove-group group)
5162 (when (get-buffer gnus-article-buffer)
5163 (bury-buffer gnus-article-buffer))
5164 ;; Return to the group buffer.
5165 (gnus-configure-windows 'group 'force)
5166 ;; Clear the current group name.
5167 (setq gnus-newsgroup-name nil)
5168 (when (equal (gnus-group-group-name) group)
5169 (gnus-group-next-unread-group 1))
5171 (gnus-handle-ephemeral-exit quit-config)))))
5173 (defun gnus-handle-ephemeral-exit (quit-config)
5174 "Handle movement when leaving an ephemeral group.
5175 The state which existed when entering the ephemeral is reset."
5176 (if (not (buffer-name (car quit-config)))
5177 (gnus-configure-windows 'group 'force)
5178 (set-buffer (car quit-config))
5179 (cond ((eq major-mode 'gnus-summary-mode)
5180 (gnus-set-global-variables))
5181 ((eq major-mode 'gnus-article-mode)
5183 ;; The `gnus-summary-buffer' variable may point
5184 ;; to the old summary buffer when using a single
5186 (unless (gnus-buffer-live-p gnus-summary-buffer)
5187 (set-buffer gnus-group-buffer))
5188 (set-buffer gnus-summary-buffer)
5189 (gnus-set-global-variables))))
5190 (if (or (eq (cdr quit-config) 'article)
5191 (eq (cdr quit-config) 'pick))
5193 ;; The current article may be from the ephemeral group
5194 ;; thus it is best that we reload this article
5195 (gnus-summary-show-article)
5196 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
5197 (gnus-configure-windows 'pick 'force)
5198 (gnus-configure-windows (cdr quit-config) 'force)))
5199 (gnus-configure-windows (cdr quit-config) 'force))
5200 (when (eq major-mode 'gnus-summary-mode)
5201 (gnus-summary-next-subject 1 nil t)
5202 (gnus-summary-recenter)
5203 (gnus-summary-position-point))))
5205 (defun gnus-summary-preview-mime-message (arg)
5206 "MIME decode and play this message."
5209 (let ((gnus-break-pages nil)
5211 (gnus-summary-select-article t t)
5213 (select-window (get-buffer-window gnus-article-buffer))
5216 (defun gnus-summary-scroll-down ()
5217 "Scroll down one line current article."
5219 (gnus-summary-scroll-up -1)
5224 (defvar gnus-dead-summary-mode-map nil)
5226 (unless gnus-dead-summary-mode-map
5227 (setq gnus-dead-summary-mode-map (make-keymap))
5228 (suppress-keymap gnus-dead-summary-mode-map)
5229 (substitute-key-definition
5230 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
5231 (let ((keys '("\C-d" "\r" "\177" [delete])))
5233 (define-key gnus-dead-summary-mode-map
5234 (pop keys) 'gnus-summary-wake-up-the-dead))))
5236 (defvar gnus-dead-summary-mode nil
5237 "Minor mode for Gnus summary buffers.")
5239 (defun gnus-dead-summary-mode (&optional arg)
5240 "Minor mode for Gnus summary buffers."
5242 (when (eq major-mode 'gnus-summary-mode)
5243 (make-local-variable 'gnus-dead-summary-mode)
5244 (setq gnus-dead-summary-mode
5245 (if (null arg) (not gnus-dead-summary-mode)
5246 (> (prefix-numeric-value arg) 0)))
5247 (when gnus-dead-summary-mode
5248 (gnus-add-minor-mode
5249 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
5251 (defun gnus-deaden-summary ()
5252 "Make the current summary buffer into a dead summary buffer."
5253 ;; Kill any previous dead summary buffer.
5254 (when (and gnus-dead-summary
5255 (buffer-name gnus-dead-summary))
5257 (set-buffer gnus-dead-summary)
5258 (when gnus-dead-summary-mode
5259 (kill-buffer (current-buffer)))))
5260 ;; Make this the current dead summary.
5261 (setq gnus-dead-summary (current-buffer))
5262 (gnus-dead-summary-mode 1)
5263 (let ((name (buffer-name)))
5264 (when (string-match "Summary" name)
5266 (concat (substring name 0 (match-beginning 0)) "Dead "
5267 (substring name (match-beginning 0)))
5270 (defun gnus-kill-or-deaden-summary (buffer)
5271 "Kill or deaden the summary BUFFER."
5273 (when (and (buffer-name buffer)
5274 (not gnus-single-article-buffer))
5277 (gnus-kill-buffer gnus-article-buffer)
5278 (gnus-kill-buffer gnus-original-article-buffer)))
5279 (cond (gnus-kill-summary-on-exit
5280 (when (and gnus-use-trees
5281 (gnus-buffer-exists-p buffer))
5284 (gnus-tree-close gnus-newsgroup-name)))
5285 (gnus-kill-buffer buffer))
5286 ((gnus-buffer-exists-p buffer)
5289 (gnus-deaden-summary))))))
5291 (defun gnus-summary-wake-up-the-dead (&rest args)
5292 "Wake up the dead summary buffer."
5294 (gnus-dead-summary-mode -1)
5295 (let ((name (buffer-name)))
5296 (when (string-match "Dead " name)
5298 (concat (substring name 0 (match-beginning 0))
5299 (substring name (match-end 0)))
5301 (gnus-message 3 "This dead summary is now alive again"))
5303 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
5304 (defun gnus-summary-fetch-faq (&optional faq-dir)
5305 "Fetch the FAQ for the current group.
5306 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
5310 (when current-prefix-arg
5312 "Faq dir: " (and (listp gnus-group-faq-directory)
5313 (mapcar (lambda (file) (list file))
5314 gnus-group-faq-directory))))))
5315 (let (gnus-faq-buffer)
5316 (when (setq gnus-faq-buffer
5317 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
5318 (gnus-configure-windows 'summary-faq))))
5320 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
5321 (defun gnus-summary-describe-group (&optional force)
5322 "Describe the current newsgroup."
5324 (gnus-group-describe-group force gnus-newsgroup-name))
5326 (defun gnus-summary-describe-briefly ()
5327 "Describe summary mode commands briefly."
5330 (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")))
5332 ;; Walking around group mode buffer from summary mode.
5334 (defun gnus-summary-next-group (&optional no-article target-group backward)
5335 "Exit current newsgroup and then select next unread newsgroup.
5336 If prefix argument NO-ARTICLE is non-nil, no article is selected
5337 initially. If NEXT-GROUP, go to this group. If BACKWARD, go to
5338 previous group instead."
5340 ;; Stop pre-fetching.
5341 (gnus-async-halt-prefetch)
5342 (let ((current-group gnus-newsgroup-name)
5343 (current-buffer (current-buffer))
5345 ;; First we semi-exit this group to update Xrefs and all variables.
5346 ;; We can't do a real exit, because the window conf must remain
5347 ;; the same in case the user is prompted for info, and we don't
5348 ;; want the window conf to change before that...
5349 (gnus-summary-exit t)
5350 (while (not entered)
5351 ;; Then we find what group we are supposed to enter.
5352 (set-buffer gnus-group-buffer)
5353 (gnus-group-jump-to-group current-group)
5356 (if (eq gnus-keep-same-level 'best)
5357 (gnus-summary-best-group gnus-newsgroup-name)
5358 (gnus-summary-search-group backward gnus-keep-same-level))))
5359 (if (not target-group)
5360 ;; There are no further groups, so we return to the group
5363 (gnus-message 5 "Returning to the group buffer")
5365 (when (gnus-buffer-live-p current-buffer)
5366 (set-buffer current-buffer)
5367 (gnus-summary-exit))
5368 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
5369 ;; We try to enter the target group.
5370 (gnus-group-jump-to-group target-group)
5371 (let ((unreads (gnus-group-group-unread)))
5372 (if (and (or (eq t unreads)
5373 (and unreads (not (zerop unreads))))
5374 (gnus-summary-read-group
5375 target-group nil no-article
5376 (and (buffer-name current-buffer) current-buffer)
5379 (setq current-group target-group
5380 target-group nil)))))))
5382 (defun gnus-summary-prev-group (&optional no-article)
5383 "Exit current newsgroup and then select previous unread newsgroup.
5384 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
5386 (gnus-summary-next-group no-article nil t))
5388 ;; Walking around summary lines.
5390 (defun gnus-summary-first-subject (&optional unread undownloaded)
5391 "Go to the first unread subject.
5392 If UNREAD is non-nil, go to the first unread article.
5393 Returns the article selected or nil if there are no unread articles."
5398 ((null gnus-newsgroup-data)
5399 (gnus-message 3 "No articles in the group")
5401 ;; Pick the first article.
5403 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
5404 (gnus-data-number (car gnus-newsgroup-data)))
5405 ;; No unread articles.
5406 ((null gnus-newsgroup-unreads)
5407 (gnus-message 3 "No more unread articles")
5409 ;; Find the first unread article.
5411 (let ((data gnus-newsgroup-data))
5413 (and (not (and undownloaded
5414 (eq gnus-undownloaded-mark
5415 (gnus-data-mark (car data)))))
5416 (not (gnus-data-unread-p (car data)))))
5417 (setq data (cdr data)))
5419 (goto-char (gnus-data-pos (car data)))
5420 (gnus-data-number (car data))))))
5421 (gnus-summary-position-point)))
5423 (defun gnus-summary-next-subject (n &optional unread dont-display)
5424 "Go to next N'th summary line.
5425 If N is negative, go to the previous N'th subject line.
5426 If UNREAD is non-nil, only unread articles are selected.
5427 The difference between N and the actual number of steps taken is
5430 (let ((backward (< n 0))
5434 (gnus-summary-find-prev unread)
5435 (gnus-summary-find-next unread)))
5436 (gnus-summary-show-thread)
5439 (gnus-message 7 "No more%s articles"
5440 (if unread " unread" "")))
5441 (unless dont-display
5442 (gnus-summary-recenter)
5443 (gnus-summary-position-point))
5446 (defun gnus-summary-next-unread-subject (n)
5447 "Go to next N'th unread summary line."
5449 (gnus-summary-next-subject n t))
5451 (defun gnus-summary-prev-subject (n &optional unread)
5452 "Go to previous N'th summary line.
5453 If optional argument UNREAD is non-nil, only unread article is selected."
5455 (gnus-summary-next-subject (- n) unread))
5457 (defun gnus-summary-prev-unread-subject (n)
5458 "Go to previous N'th unread summary line."
5460 (gnus-summary-next-subject (- n) t))
5462 (defun gnus-summary-goto-subject (article &optional force silent)
5463 "Go the subject line of ARTICLE.
5464 If FORCE, also allow jumping to articles not currently shown."
5465 (interactive "nArticle number: ")
5467 (data (gnus-data-find article)))
5468 ;; We read in the article if we have to.
5471 (gnus-summary-insert-subject
5473 (if (or (numberp force) (vectorp force)) force)
5475 (setq data (gnus-data-find article)))
5480 (gnus-message 3 "Can't find article %d" article))
5482 (goto-char (gnus-data-pos data))
5483 (gnus-summary-position-point)
5486 ;; Walking around summary lines with displaying articles.
5488 (defun gnus-summary-expand-window (&optional arg)
5489 "Make the summary buffer take up the entire Emacs frame.
5490 Given a prefix, will force an `article' buffer configuration."
5493 (gnus-configure-windows 'article 'force)
5494 (gnus-configure-windows 'summary 'force)))
5496 (defun gnus-summary-display-article (article &optional all-header)
5497 "Display ARTICLE in article buffer."
5498 (gnus-set-global-variables)
5502 (if gnus-summary-display-article-function
5503 (funcall gnus-summary-display-article-function article all-header)
5504 (gnus-article-prepare article all-header))
5505 (gnus-run-hooks 'gnus-select-article-hook)
5506 (when (and gnus-current-article
5507 (not (zerop gnus-current-article)))
5508 (gnus-summary-goto-subject gnus-current-article))
5509 (gnus-summary-recenter)
5510 (when (and gnus-use-trees gnus-show-threads)
5511 (gnus-possibly-generate-tree article)
5512 (gnus-highlight-selected-tree article))
5513 ;; Successfully display article.
5514 (gnus-article-set-window-start
5515 (cdr (assq article gnus-newsgroup-bookmarks))))))
5517 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
5518 "Select the current article.
5519 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
5520 non-nil, the article will be re-fetched even if it already present in
5521 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
5523 ;; Make sure we are in the summary buffer to work around bbdb bug.
5524 (unless (eq major-mode 'gnus-summary-mode)
5525 (set-buffer gnus-summary-buffer))
5526 (let ((article (or article (gnus-summary-article-number)))
5527 (all-headers (not (not all-headers))) ;Must be T or NIL.
5528 gnus-summary-display-article-function
5531 (gnus-summary-article-pseudo-p article)
5532 (error "This is a pseudo-article"))
5535 (set-buffer gnus-summary-buffer)
5536 (if (or (and gnus-single-article-buffer
5537 (or (null gnus-current-article)
5538 (null gnus-article-current)
5539 (null (get-buffer gnus-article-buffer))
5540 (not (eq article (cdr gnus-article-current)))
5541 (not (equal (car gnus-article-current)
5542 gnus-newsgroup-name))))
5543 (and (not gnus-single-article-buffer)
5544 (or (null gnus-current-article)
5545 (not (eq gnus-current-article article))))
5547 ;; The requested article is different from the current article.
5549 (gnus-summary-display-article article all-headers)
5551 (when (or all-headers gnus-show-all-headers)
5552 (gnus-article-show-all-headers))
5555 (gnus-article-set-window-start
5556 (cdr (assq article gnus-newsgroup-bookmarks)))))))
5558 (defun gnus-summary-set-current-mark (&optional current-mark)
5559 "Obsolete function."
5562 (defun gnus-summary-next-article (&optional unread subject backward push)
5563 "Select the next article.
5564 If UNREAD, only unread articles are selected.
5565 If SUBJECT, only articles with SUBJECT are selected.
5566 If BACKWARD, the previous article is selected instead of the next."
5569 ;; Is there such an article?
5570 ((and (gnus-summary-search-forward unread subject backward)
5571 (or (gnus-summary-display-article (gnus-summary-article-number))
5572 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
5573 (gnus-summary-position-point))
5574 ;; If not, we try the first unread, if that is wanted.
5576 gnus-auto-select-same
5577 (gnus-summary-first-unread-article))
5578 (gnus-summary-position-point)
5579 (gnus-message 6 "Wrapped"))
5580 ;; Try to get next/previous article not displayed in this group.
5581 ((and gnus-auto-extend-newsgroup
5582 (not unread) (not subject))
5583 (gnus-summary-goto-article
5584 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
5585 nil (count-lines (point-min) (point))))
5586 ;; Go to next/previous group.
5588 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
5589 (gnus-summary-jump-to-group gnus-newsgroup-name))
5590 (let ((cmd last-command-char)
5593 (set-buffer gnus-group-buffer)
5596 (if (eq gnus-keep-same-level 'best)
5597 (gnus-summary-best-group gnus-newsgroup-name)
5598 (gnus-summary-search-group backward gnus-keep-same-level))))
5599 ;; For some reason, the group window gets selected. We change
5601 (select-window (get-buffer-window (current-buffer)))
5602 ;; Select next unread newsgroup automagically.
5604 ((or (not gnus-auto-select-next)
5606 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
5607 ((or (eq gnus-auto-select-next 'quietly)
5608 (and (eq gnus-auto-select-next 'slightly-quietly)
5610 (and (eq gnus-auto-select-next 'almost-quietly)
5611 (gnus-summary-last-article-p)))
5613 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
5615 (gnus-message 7 "No more%s articles (%s)..."
5616 (if unread " unread" "")
5617 (if group (concat "selecting " group)
5619 (gnus-summary-next-group nil group backward)))
5621 (when (gnus-key-press-event-p last-input-event)
5622 (gnus-summary-walk-group-buffer
5623 gnus-newsgroup-name cmd unread backward point))))))))
5625 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
5626 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
5627 (?\C-p (gnus-group-prev-unread-group 1))))
5628 (cursor-in-echo-area t)
5629 keve key group ended)
5631 (set-buffer gnus-group-buffer)
5634 (if (eq gnus-keep-same-level 'best)
5635 (gnus-summary-best-group gnus-newsgroup-name)
5636 (gnus-summary-search-group backward gnus-keep-same-level))))
5639 5 "No more%s articles%s" (if unread " unread" "")
5641 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
5642 (format " (Type %s for %s [%s])"
5643 (single-key-description cmd) group
5644 (car (gnus-gethash group gnus-newsrc-hashtb)))
5645 (format " (Type %s to exit %s)"
5646 (single-key-description cmd)
5647 gnus-newsgroup-name)))
5648 ;; Confirm auto selection.
5649 (setq key (car (setq keve (gnus-read-event-char))))
5652 ((assq key keystrokes)
5653 (let ((obuf (current-buffer)))
5654 (switch-to-buffer gnus-group-buffer)
5656 (gnus-group-jump-to-group group))
5657 (eval (cadr (assq key keystrokes)))
5658 (setq group (gnus-group-group-name))
5659 (switch-to-buffer obuf))
5663 (gnus-ephemeral-group-p gnus-newsgroup-name))
5665 (gnus-summary-next-group nil group backward)))
5667 (push (cdr keve) unread-command-events))))))
5669 (defun gnus-summary-next-unread-article ()
5670 "Select unread article after current one."
5672 (gnus-summary-next-article
5673 (or (not (eq gnus-summary-goto-unread 'never))
5674 (gnus-summary-last-article-p (gnus-summary-article-number)))
5675 (and gnus-auto-select-same
5676 (gnus-summary-article-subject))))
5678 (defun gnus-summary-prev-article (&optional unread subject)
5679 "Select the article after the current one.
5680 If UNREAD is non-nil, only unread articles are selected."
5682 (gnus-summary-next-article unread subject t))
5684 (defun gnus-summary-prev-unread-article ()
5685 "Select unread article before current one."
5687 (gnus-summary-prev-article
5688 (or (not (eq gnus-summary-goto-unread 'never))
5689 (gnus-summary-first-article-p (gnus-summary-article-number)))
5690 (and gnus-auto-select-same
5691 (gnus-summary-article-subject))))
5693 (defun gnus-summary-next-page (&optional lines circular)
5694 "Show next page of the selected article.
5695 If at the end of the current article, select the next article.
5696 LINES says how many lines should be scrolled up.
5698 If CIRCULAR is non-nil, go to the start of the article instead of
5699 selecting the next article when reaching the end of the current
5702 (setq gnus-summary-buffer (current-buffer))
5703 (gnus-set-global-variables)
5704 (let ((article (gnus-summary-article-number))
5705 (article-window (get-buffer-window gnus-article-buffer t))
5707 ;; If the buffer is empty, we have no article.
5709 (error "No article to select"))
5710 (gnus-configure-windows 'article)
5711 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
5712 (if (and (eq gnus-summary-goto-unread 'never)
5713 (not (gnus-summary-last-article-p article)))
5714 (gnus-summary-next-article)
5715 (gnus-summary-next-unread-article))
5716 (if (or (null gnus-current-article)
5717 (null gnus-article-current)
5718 (/= article (cdr gnus-article-current))
5719 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
5720 ;; Selected subject is different from current article's.
5721 (gnus-summary-display-article article)
5722 (when article-window
5723 (gnus-eval-in-buffer-window gnus-article-buffer
5724 (setq endp (gnus-article-next-page lines)))
5727 (gnus-summary-beginning-of-article))
5729 (gnus-message 3 "End of message"))
5731 (if (and (eq gnus-summary-goto-unread 'never)
5732 (not (gnus-summary-last-article-p article)))
5733 (gnus-summary-next-article)
5734 (gnus-summary-next-unread-article))))))))
5735 (gnus-summary-recenter)
5736 (gnus-summary-position-point)))
5738 (defun gnus-summary-prev-page (&optional lines move)
5739 "Show previous page of selected article.
5740 Argument LINES specifies lines to be scrolled down.
5741 If MOVE, move to the previous unread article if point is at
5742 the beginning of the buffer."
5744 (let ((article (gnus-summary-article-number))
5745 (article-window (get-buffer-window gnus-article-buffer t))
5747 (gnus-configure-windows 'article)
5748 (if (or (null gnus-current-article)
5749 (null gnus-article-current)
5750 (/= article (cdr gnus-article-current))
5751 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
5752 ;; Selected subject is different from current article's.
5753 (gnus-summary-display-article article)
5754 (gnus-summary-recenter)
5755 (when article-window
5756 (gnus-eval-in-buffer-window gnus-article-buffer
5757 (setq endp (gnus-article-prev-page lines)))
5758 (when (and move endp)
5760 (gnus-message 3 "Beginning of message"))
5762 (if (and (eq gnus-summary-goto-unread 'never)
5763 (not (gnus-summary-first-article-p article)))
5764 (gnus-summary-prev-article)
5765 (gnus-summary-prev-unread-article))))))))
5766 (gnus-summary-position-point))
5768 (defun gnus-summary-prev-page-or-article (&optional lines)
5769 "Show previous page of selected article.
5770 Argument LINES specifies lines to be scrolled down.
5771 If at the beginning of the article, go to the next article."
5773 (gnus-summary-prev-page lines t))
5775 (defun gnus-summary-scroll-up (lines)
5776 "Scroll up (or down) one line current article.
5777 Argument LINES specifies lines to be scrolled up (or down if negative)."
5779 (gnus-configure-windows 'article)
5780 (gnus-summary-show-thread)
5781 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
5782 (gnus-eval-in-buffer-window gnus-article-buffer
5784 (when (gnus-article-next-page lines)
5785 (gnus-message 3 "End of message")))
5787 (gnus-article-prev-page (- lines))))))
5788 (gnus-summary-recenter)
5789 (gnus-summary-position-point))
5791 (defun gnus-summary-next-same-subject ()
5792 "Select next article which has the same subject as current one."
5794 (gnus-summary-next-article nil (gnus-summary-article-subject)))
5796 (defun gnus-summary-prev-same-subject ()
5797 "Select previous article which has the same subject as current one."
5799 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
5801 (defun gnus-summary-next-unread-same-subject ()
5802 "Select next unread article which has the same subject as current one."
5804 (gnus-summary-next-article t (gnus-summary-article-subject)))
5806 (defun gnus-summary-prev-unread-same-subject ()
5807 "Select previous unread article which has the same subject as current one."
5809 (gnus-summary-prev-article t (gnus-summary-article-subject)))
5811 (defun gnus-summary-first-unread-article ()
5812 "Select the first unread article.
5813 Return nil if there are no unread articles."
5816 (when (gnus-summary-first-subject t)
5817 (gnus-summary-show-thread)
5818 (gnus-summary-first-subject t)
5819 (gnus-summary-display-article (gnus-summary-article-number)))
5820 (gnus-summary-position-point)))
5822 (defun gnus-summary-first-article ()
5823 "Select the first article.
5824 Return nil if there are no articles."
5827 (when (gnus-summary-first-subject)
5828 (gnus-summary-show-thread)
5829 (gnus-summary-first-subject)
5830 (gnus-summary-display-article (gnus-summary-article-number)))
5831 (gnus-summary-position-point)))
5833 (defun gnus-summary-best-unread-article ()
5834 "Select the unread article with the highest score."
5836 (let ((best -1000000)
5837 (data gnus-newsgroup-data)
5840 (and (gnus-data-unread-p (car data))
5842 (gnus-summary-article-score (gnus-data-number (car data))))
5845 article (gnus-data-number (car data))))
5846 (setq data (cdr data)))
5849 (gnus-summary-goto-article article)
5850 (error "No unread articles"))
5851 (gnus-summary-position-point))))
5853 (defun gnus-summary-last-subject ()
5854 "Go to the last displayed subject line in the group."
5855 (let ((article (gnus-data-number (car (gnus-data-list t)))))
5857 (gnus-summary-goto-subject article))))
5859 (defun gnus-summary-goto-article (article &optional all-headers force)
5860 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
5861 If ALL-HEADERS is non-nil, no header lines are hidden.
5862 If FORCE, go to the article even if it isn't displayed. If FORCE
5863 is a number, it is the line the article is to be displayed on."
5867 "Article number or Message-ID: "
5868 (mapcar (lambda (number) (list (int-to-string number)))
5869 gnus-newsgroup-limit))
5873 (if (and (stringp article)
5874 (string-match "@" article))
5875 (gnus-summary-refer-article article)
5876 (when (stringp article)
5877 (setq article (string-to-number article)))
5878 (if (gnus-summary-goto-subject article force)
5879 (gnus-summary-display-article article all-headers)
5880 (gnus-message 4 "Couldn't go to article %s" article) nil))
5881 (gnus-summary-position-point)))
5883 (defun gnus-summary-goto-last-article ()
5884 "Go to the previously read article."
5887 (when gnus-last-article
5888 (gnus-summary-goto-article gnus-last-article nil t))
5889 (gnus-summary-position-point)))
5891 (defun gnus-summary-pop-article (number)
5892 "Pop one article off the history and go to the previous.
5893 NUMBER articles will be popped off."
5896 (setq gnus-newsgroup-history
5897 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
5899 (gnus-summary-goto-article (car to) nil t)
5900 (error "Article history empty")))
5901 (gnus-summary-position-point))
5903 ;; Summary commands and functions for limiting the summary buffer.
5905 (defun gnus-summary-limit-to-articles (n)
5906 "Limit the summary buffer to the next N articles.
5907 If not given a prefix, use the process marked articles instead."
5910 (let ((articles (gnus-summary-work-articles n)))
5911 (setq gnus-newsgroup-processable nil)
5912 (gnus-summary-limit articles))
5913 (gnus-summary-position-point)))
5915 (defun gnus-summary-pop-limit (&optional total)
5916 "Restore the previous limit.
5917 If given a prefix, remove all limits."
5920 (setq gnus-newsgroup-limits
5921 (list (mapcar (lambda (h) (mail-header-number h))
5922 gnus-newsgroup-headers))))
5923 (unless gnus-newsgroup-limits
5924 (error "No limit to pop"))
5926 (gnus-summary-limit nil 'pop)
5927 (gnus-summary-position-point)))
5929 (defun gnus-summary-limit-to-subject (subject &optional header)
5930 "Limit the summary buffer to articles that have subjects that match a regexp."
5931 (interactive "sLimit to subject (regexp): ")
5933 (setq header "subject"))
5934 (when (not (equal "" subject))
5936 (let ((articles (gnus-summary-find-matching
5937 (or header "subject") subject 'all)))
5939 (error "Found no matches for \"%s\"" subject))
5940 (gnus-summary-limit articles))
5941 (gnus-summary-position-point))))
5943 (defun gnus-summary-limit-to-author (from)
5944 "Limit the summary buffer to articles that have authors that match a regexp."
5945 (interactive "sLimit to author (regexp): ")
5946 (gnus-summary-limit-to-subject from "from"))
5948 (defun gnus-summary-limit-to-age (age &optional younger-p)
5949 "Limit the summary buffer to articles that are older than (or equal) AGE days.
5950 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
5951 articles that are younger than AGE days."
5952 (interactive "nTime in days: \nP")
5954 (let ((data gnus-newsgroup-data)
5955 (cutoff (nnmail-days-to-time age))
5956 articles d date is-younger)
5957 (while (setq d (pop data))
5958 (when (and (vectorp (gnus-data-header d))
5959 (setq date (mail-header-date (gnus-data-header d))))
5960 (setq is-younger (nnmail-time-less
5961 (nnmail-time-since (nnmail-date-to-time date))
5966 (push (gnus-data-number d) articles))))
5967 (gnus-summary-limit (nreverse articles)))
5968 (gnus-summary-position-point)))
5970 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
5972 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
5974 (defun gnus-summary-limit-to-unread (&optional all)
5975 "Limit the summary buffer to articles that are not marked as read.
5976 If ALL is non-nil, limit strictly to unread articles."
5979 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
5980 (gnus-summary-limit-to-marks
5981 ;; Concat all the marks that say that an article is read and have
5983 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
5984 gnus-killed-mark gnus-kill-file-mark
5985 gnus-low-score-mark gnus-expirable-mark
5986 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
5987 gnus-duplicate-mark gnus-souped-mark)
5990 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
5991 (make-obsolete 'gnus-summary-delete-marked-with
5992 'gnus-summary-limit-exlude-marks)
5994 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
5995 "Exclude articles that are marked with MARKS (e.g. \"DK\").
5996 If REVERSE, limit the summary buffer to articles that are marked
5997 with MARKS. MARKS can either be a string of marks or a list of marks.
5998 Returns how many articles were removed."
5999 (interactive "sMarks: ")
6000 (gnus-summary-limit-to-marks marks t))
6002 (defun gnus-summary-limit-to-marks (marks &optional reverse)
6003 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
6004 If REVERSE (the prefix), limit the summary buffer to articles that are
6005 not marked with MARKS. MARKS can either be a string of marks or a
6007 Returns how many articles were removed."
6008 (interactive "sMarks: \nP")
6010 (let ((data gnus-newsgroup-data)
6011 (marks (if (listp marks) marks
6012 (append marks nil))) ; Transform to list.
6015 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
6016 (memq (gnus-data-mark (car data)) marks))
6017 (push (gnus-data-number (car data)) articles))
6018 (setq data (cdr data)))
6019 (gnus-summary-limit articles))
6020 (gnus-summary-position-point)))
6022 (defun gnus-summary-limit-to-score (&optional score)
6023 "Limit to articles with score at or above SCORE."
6025 (setq score (if score
6026 (prefix-numeric-value score)
6027 (or gnus-summary-default-score 0)))
6028 (let ((data gnus-newsgroup-data)
6031 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
6033 (push (gnus-data-number (car data)) articles))
6034 (setq data (cdr data)))
6036 (gnus-summary-limit articles)
6037 (gnus-summary-position-point))))
6039 (defun gnus-summary-limit-include-thread (id)
6040 "Display all the hidden articles that in the current thread."
6041 (interactive (list (mail-header-id (gnus-summary-article-header))))
6042 (let ((articles (gnus-articles-in-thread
6043 (gnus-id-to-thread (gnus-root-id id)))))
6045 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
6046 (gnus-summary-position-point))))
6048 (defun gnus-summary-limit-include-dormant ()
6049 "Display all the hidden articles that are marked as dormant.
6050 Note that this command only works on a subset of the articles currently
6051 fetched for this group."
6053 (unless gnus-newsgroup-dormant
6054 (error "There are no dormant articles in this group"))
6056 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
6057 (gnus-summary-position-point)))
6059 (defun gnus-summary-limit-exclude-dormant ()
6060 "Hide all dormant articles."
6063 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
6064 (gnus-summary-position-point)))
6066 (defun gnus-summary-limit-exclude-childless-dormant ()
6067 "Hide all dormant articles that have no children."
6069 (let ((data (gnus-data-list t))
6070 articles d children)
6071 ;; Find all articles that are either not dormant or have
6073 (while (setq d (pop data))
6074 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
6076 (gnus-article-children (gnus-data-number d)))
6079 (when (memq (car children) articles)
6084 (push (gnus-data-number d) articles)))
6087 (gnus-summary-limit articles)
6088 (gnus-summary-position-point))))
6090 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
6091 "Mark all unread excluded articles as read.
6092 If ALL, mark even excluded ticked and dormants as read."
6094 (let ((articles (gnus-sorted-complement
6096 (mapcar (lambda (h) (mail-header-number h))
6097 gnus-newsgroup-headers)
6099 (sort gnus-newsgroup-limit '<)))
6101 (setq gnus-newsgroup-unreads
6102 (gnus-intersection gnus-newsgroup-unreads gnus-newsgroup-limit))
6104 (setq gnus-newsgroup-dormant nil
6105 gnus-newsgroup-marked nil
6106 gnus-newsgroup-reads
6108 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
6109 gnus-newsgroup-reads))
6110 (while (setq article (pop articles))
6111 (unless (or (memq article gnus-newsgroup-dormant)
6112 (memq article gnus-newsgroup-marked))
6113 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
6115 (defun gnus-summary-limit (articles &optional pop)
6117 ;; We pop the previous limit off the stack and use that.
6118 (setq articles (car gnus-newsgroup-limits)
6119 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
6120 ;; We use the new limit, so we push the old limit on the stack.
6121 (push gnus-newsgroup-limit gnus-newsgroup-limits))
6123 (setq gnus-newsgroup-limit articles)
6124 (let ((total (length gnus-newsgroup-data))
6125 (data (gnus-data-find-list (gnus-summary-article-number)))
6126 (gnus-summary-mark-below nil) ; Inhibit this.
6128 ;; This will do all the work of generating the new summary buffer
6129 ;; according to the new limit.
6130 (gnus-summary-prepare)
6131 ;; Hide any threads, possibly.
6132 (and gnus-show-threads
6133 gnus-thread-hide-subtree
6134 (gnus-summary-hide-all-threads))
6135 ;; Try to return to the article you were at, or one in the
6138 ;; We try to find some article after the current one.
6140 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
6143 (setq data (cdr data))))
6145 ;; If there is no data, that means that we were after the last
6146 ;; article. The same goes when we can't find any articles
6147 ;; after the current one.
6148 (goto-char (point-max))
6149 (gnus-summary-find-prev))
6150 (gnus-set-mode-line 'summary)
6151 ;; We return how many articles were removed from the summary
6152 ;; buffer as a result of the new limit.
6153 (- total (length gnus-newsgroup-data))))
6155 (defsubst gnus-invisible-cut-children (threads)
6158 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
6163 (defsubst gnus-cut-thread (thread)
6164 "Go forwards in the thread until we find an article that we want to display."
6165 (when (or (eq gnus-fetch-old-headers 'some)
6166 (eq gnus-fetch-old-headers 'invisible)
6167 (eq gnus-build-sparse-threads 'some)
6168 (eq gnus-build-sparse-threads 'more))
6169 ;; Deal with old-fetched headers and sparse threads.
6173 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
6174 (gnus-summary-article-ancient-p
6175 (mail-header-number (car thread))))
6176 (if (or (<= (length (cdr thread)) 1)
6177 (eq gnus-fetch-old-headers 'invisible))
6178 (setq gnus-newsgroup-limit
6179 (delq (mail-header-number (car thread))
6180 gnus-newsgroup-limit)
6181 thread (cadr thread))
6182 (when (gnus-invisible-cut-children (cdr thread))
6183 (let ((th (cdr thread)))
6185 (if (memq (mail-header-number (caar th))
6186 gnus-newsgroup-limit)
6187 (setq thread (car th)
6189 (setq th (cdr th))))))))))
6192 (defun gnus-cut-threads (threads)
6193 "Cut off all uninteresting articles from the beginning of threads."
6194 (when (or (eq gnus-fetch-old-headers 'some)
6195 (eq gnus-fetch-old-headers 'invisible)
6196 (eq gnus-build-sparse-threads 'some)
6197 (eq gnus-build-sparse-threads 'more))
6200 (setcar th (gnus-cut-thread (car th)))
6201 (setq th (cdr th)))))
6202 ;; Remove nixed out threads.
6205 (defun gnus-summary-initial-limit (&optional show-if-empty)
6206 "Figure out what the initial limit is supposed to be on group entry.
6207 This entails weeding out unwanted dormants, low-scored articles,
6208 fetch-old-headers verbiage, and so on."
6209 ;; Most groups have nothing to remove.
6210 (if (or gnus-inhibit-limiting
6211 (and (null gnus-newsgroup-dormant)
6212 (not (eq gnus-fetch-old-headers 'some))
6213 (not (eq gnus-fetch-old-headers 'invisible))
6214 (null gnus-summary-expunge-below)
6215 (not (eq gnus-build-sparse-threads 'some))
6216 (not (eq gnus-build-sparse-threads 'more))
6217 (null gnus-thread-expunge-below)
6218 (not gnus-use-nocem)))
6220 (push gnus-newsgroup-limit gnus-newsgroup-limits)
6221 (setq gnus-newsgroup-limit nil)
6224 (unless (car (symbol-value node))
6225 ;; These threads have no parents -- they are roots.
6226 (let ((nodes (cdr (symbol-value node)))
6229 (if (and gnus-thread-expunge-below
6230 (< (gnus-thread-total-score (car nodes))
6231 gnus-thread-expunge-below))
6232 (gnus-expunge-thread (pop nodes))
6233 (setq thread (pop nodes))
6234 (gnus-summary-limit-children thread))))))
6235 gnus-newsgroup-dependencies)
6236 ;; If this limitation resulted in an empty group, we might
6237 ;; pop the previous limit and use it instead.
6238 (when (and (not gnus-newsgroup-limit)
6240 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
6241 gnus-newsgroup-limit))
6243 (defun gnus-summary-limit-children (thread)
6244 "Return 1 if this subthread is visible and 0 if it is not."
6245 ;; First we get the number of visible children to this thread. This
6246 ;; is done by recursing down the thread using this function, so this
6247 ;; will really go down to a leaf article first, before slowly
6248 ;; working its way up towards the root.
6252 (apply '+ (mapcar 'gnus-summary-limit-children
6255 (number (mail-header-number (car thread)))
6258 (not (memq number gnus-newsgroup-marked))
6260 ;; If this article is dormant and has absolutely no visible
6261 ;; children, then this article isn't visible.
6262 (and (memq number gnus-newsgroup-dormant)
6264 ;; If this is "fetch-old-headered" and there is no
6265 ;; visible children, then we don't want this article.
6266 (and (eq gnus-fetch-old-headers 'some)
6267 (gnus-summary-article-ancient-p number)
6269 ;; If this is "fetch-old-headered" and `invisible', then
6270 ;; we don't want this article.
6271 (and (eq gnus-fetch-old-headers 'invisible)
6272 (gnus-summary-article-ancient-p number))
6273 ;; If this is a sparsely inserted article with no children,
6274 ;; we don't want it.
6275 (and (eq gnus-build-sparse-threads 'some)
6276 (gnus-summary-article-sparse-p number)
6278 ;; If we use expunging, and this article is really
6279 ;; low-scored, then we don't want this article.
6280 (when (and gnus-summary-expunge-below
6282 (or (cdr (assq number gnus-newsgroup-scored))
6283 gnus-summary-default-score))
6284 gnus-summary-expunge-below))
6285 ;; We increase the expunge-tally here, but that has
6286 ;; nothing to do with the limits, really.
6287 (incf gnus-newsgroup-expunged-tally)
6288 ;; We also mark as read here, if that's wanted.
6289 (when (and gnus-summary-mark-below
6290 (< score gnus-summary-mark-below))
6291 (setq gnus-newsgroup-unreads
6292 (delq number gnus-newsgroup-unreads))
6293 (if gnus-newsgroup-auto-expire
6294 (push number gnus-newsgroup-expirable)
6295 (push (cons number gnus-low-score-mark)
6296 gnus-newsgroup-reads)))
6298 ;; Check NoCeM things.
6299 (if (and gnus-use-nocem
6300 (gnus-nocem-unwanted-article-p
6301 (mail-header-id (car thread))))
6303 (setq gnus-newsgroup-unreads
6304 (delq number gnus-newsgroup-unreads))
6306 ;; Nope, invisible article.
6308 ;; Ok, this article is to be visible, so we add it to the limit
6310 (push number gnus-newsgroup-limit)
6313 (defun gnus-expunge-thread (thread)
6314 "Mark all articles in THREAD as read."
6315 (let* ((number (mail-header-number (car thread))))
6316 (incf gnus-newsgroup-expunged-tally)
6317 ;; We also mark as read here, if that's wanted.
6318 (setq gnus-newsgroup-unreads
6319 (delq number gnus-newsgroup-unreads))
6320 (if gnus-newsgroup-auto-expire
6321 (push number gnus-newsgroup-expirable)
6322 (push (cons number gnus-low-score-mark)
6323 gnus-newsgroup-reads)))
6324 ;; Go recursively through all subthreads.
6325 (mapcar 'gnus-expunge-thread (cdr thread)))
6327 ;; Summary article oriented commands
6329 (defun gnus-summary-refer-parent-article (n)
6330 "Refer parent article N times.
6331 If N is negative, go to ancestor -N instead.
6332 The difference between N and the number of articles fetched is returned."
6336 (when (not (natnump n))
6341 (setq header (gnus-summary-article-header))
6342 (if (and (eq (mail-header-number header)
6343 (cdr gnus-article-current))
6344 (equal gnus-newsgroup-name
6345 (car gnus-article-current)))
6346 ;; If we try to find the parent of the currently
6347 ;; displayed article, then we take a look at the actual
6348 ;; References header, since this is slightly more
6349 ;; reliable than the References field we got from the
6352 (set-buffer gnus-original-article-buffer)
6353 (nnheader-narrow-to-headers)
6354 (unless (setq ref (message-fetch-field "references"))
6355 (setq ref (message-fetch-field "in-reply-to")))
6358 ;; It's not the current article, so we take a bet on
6359 ;; the value we got from the server.
6360 (mail-header-references header)))
6362 (not (equal ref "")))
6363 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
6364 (gnus-message 1 "Couldn't find parent"))
6365 (gnus-message 1 "No references in article %d"
6366 (gnus-summary-article-number))
6369 (gnus-summary-position-point)
6372 (defun gnus-summary-refer-references ()
6373 "Fetch all articles mentioned in the References header.
6374 Return the number of articles fetched."
6376 (let ((ref (mail-header-references (gnus-summary-article-header)))
6377 (current (gnus-summary-article-number))
6381 (error "No References in the current article")
6382 ;; For each Message-ID in the References header...
6383 (while (string-match "<[^>]*>" ref)
6385 ;; ... fetch that article.
6386 (gnus-summary-refer-article
6387 (prog1 (match-string 0 ref)
6388 (setq ref (substring ref (match-end 0))))))
6389 (gnus-summary-goto-subject current)
6390 (gnus-summary-position-point)
6393 (defun gnus-summary-refer-thread (&optional limit)
6394 "Fetch all articles in the current thread.
6395 If LIMIT (the numerical prefix), fetch that many old headers instead
6396 of what's specified by the `gnus-refer-thread-limit' variable."
6398 (let ((id (mail-header-id (gnus-summary-article-header)))
6399 (limit (if limit (prefix-numeric-value limit)
6400 gnus-refer-thread-limit))
6402 ;; We want to fetch LIMIT *old* headers, but we also have to
6403 ;; re-fetch all the headers in the current buffer, because many of
6404 ;; them may be undisplayed. So we adjust LIMIT.
6405 (when (numberp limit)
6406 (incf limit (- gnus-newsgroup-end gnus-newsgroup-begin)))
6407 (unless (eq gnus-fetch-old-headers 'invisible)
6408 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
6409 ;; Retrieve the headers and read them in.
6410 (if (eq (gnus-retrieve-headers
6411 (list gnus-newsgroup-end) gnus-newsgroup-name limit)
6413 (gnus-build-all-threads)
6414 (error "Can't fetch thread from backends that don't support NOV"))
6415 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
6416 (gnus-summary-limit-include-thread id)))
6418 (defun gnus-summary-refer-article (message-id &optional arg)
6419 "Fetch an article specified by MESSAGE-ID.
6420 If ARG (the prefix), fetch the article using `gnus-refer-article-method'
6421 or `gnus-select-method', no matter what backend the article comes from."
6422 (interactive "sMessage-ID: \nP")
6423 (when (and (stringp message-id)
6424 (not (zerop (length message-id))))
6425 ;; Construct the correct Message-ID if necessary.
6426 ;; Suggested by tale@pawl.rpi.edu.
6427 (unless (string-match "^<" message-id)
6428 (setq message-id (concat "<" message-id)))
6429 (unless (string-match ">$" message-id)
6430 (setq message-id (concat message-id ">")))
6431 (let* ((header (gnus-id-to-header message-id))
6433 (gnus-summary-article-sparse-p
6434 (mail-header-number header))
6435 (memq (mail-header-number header)
6436 gnus-newsgroup-limit)))
6439 ;; If the article is present in the buffer we just go to it.
6441 (or (not (gnus-summary-article-sparse-p
6442 (mail-header-number header)))
6445 (gnus-summary-goto-article
6446 (mail-header-number header) nil t)
6448 (gnus-summary-update-article (mail-header-number header)))))
6450 ;; We fetch the article
6451 (let ((gnus-override-method
6452 (cond ((gnus-news-group-p gnus-newsgroup-name)
6453 gnus-refer-article-method)
6455 (or gnus-refer-article-method gnus-select-method))
6458 ;; Start the special refer-article method, if necessary.
6459 (when (and gnus-refer-article-method
6460 (gnus-news-group-p gnus-newsgroup-name))
6461 (gnus-check-server gnus-refer-article-method))
6462 ;; Fetch the header, and display the article.
6463 (if (setq number (gnus-summary-insert-subject message-id))
6464 (gnus-summary-select-article nil nil nil number)
6465 (gnus-message 3 "Couldn't fetch article %s" message-id))))))))
6467 (defun gnus-summary-edit-parameters ()
6468 "Edit the group parameters of the current group."
6470 (gnus-group-edit-group gnus-newsgroup-name 'params))
6472 (defun gnus-summary-enter-digest-group (&optional force)
6473 "Enter an nndoc group based on the current article.
6474 If FORCE, force a digest interpretation. If not, try
6475 to guess what the document format is."
6477 (let ((conf gnus-current-window-configuration))
6479 (gnus-summary-select-article))
6480 (setq gnus-current-window-configuration conf)
6481 (let* ((name (format "%s-%d"
6482 (gnus-group-prefixed-name
6483 gnus-newsgroup-name (list 'nndoc ""))
6485 (set-buffer gnus-summary-buffer)
6486 gnus-current-article)))
6487 (ogroup gnus-newsgroup-name)
6488 (params (append (gnus-info-params (gnus-get-info ogroup))
6489 (list (cons 'to-group ogroup))
6490 (list (cons 'save-article-group ogroup))))
6491 (case-fold-search t)
6492 (buf (current-buffer))
6495 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
6496 (insert-buffer-substring gnus-original-article-buffer)
6497 ;; Remove lines that may lead nndoc to misinterpret the
6500 (goto-char (point-min))
6501 (or (search-forward "\n\n" nil t) (point)))
6502 (goto-char (point-min))
6503 (delete-matching-lines "^\\(Path\\):\\|^From ")
6506 (if (gnus-group-read-ephemeral-group
6507 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
6509 ,(if force 'digest 'guess))) t)
6510 ;; Make all postings to this group go to the parent group.
6511 (nconc (gnus-info-params (gnus-get-info name))
6513 ;; Couldn't select this doc group.
6514 (switch-to-buffer buf)
6515 (gnus-set-global-variables)
6516 (gnus-configure-windows 'summary)
6517 (gnus-message 3 "Article couldn't be entered?"))
6518 (kill-buffer dig)))))
6520 (defun gnus-summary-read-document (n)
6521 "Open a new group based on the current article(s).
6522 This will allow you to read digests and other similar
6523 documents as newsgroups.
6524 Obeys the standard process/prefix convention."
6526 (let* ((articles (gnus-summary-work-articles n))
6527 (ogroup gnus-newsgroup-name)
6528 (params (append (gnus-info-params (gnus-get-info ogroup))
6529 (list (cons 'to-group ogroup))))
6530 article group egroup groups vgroup)
6531 (while (setq article (pop articles))
6532 (setq group (format "%s-%d" gnus-newsgroup-name article))
6533 (gnus-summary-remove-process-mark article)
6534 (when (gnus-summary-display-article article)
6536 (nnheader-temp-write nil
6537 (insert-buffer-substring gnus-original-article-buffer)
6538 ;; Remove some headers that may lead nndoc to make
6540 (message-narrow-to-head)
6541 (goto-char (point-min))
6542 (delete-matching-lines "^\\(Path\\):\\|^From ")
6545 (gnus-group-read-ephemeral-group
6546 group `(nndoc ,group (nndoc-address ,(current-buffer))
6547 (nndoc-article-type guess))
6550 ;; Make all postings to this group go to the parent group.
6551 (nconc (gnus-info-params (gnus-get-info egroup))
6553 (push egroup groups))
6554 ;; Couldn't select this doc group.
6555 (gnus-error 3 "Article couldn't be entered"))))))
6556 ;; Now we have selected all the documents.
6559 (error "None of the articles could be interpreted as documents"))
6560 ((gnus-group-read-ephemeral-group
6561 (setq vgroup (format
6562 "nnvirtual:%s-%s" gnus-newsgroup-name
6563 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
6564 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
6566 (cons (current-buffer) 'summary)))
6568 (error "Couldn't select virtual nndoc group")))))
6570 (defun gnus-summary-isearch-article (&optional regexp-p)
6571 "Do incremental search forward on the current article.
6572 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
6574 (gnus-summary-select-article)
6575 (gnus-configure-windows 'article)
6576 (gnus-eval-in-buffer-window gnus-article-buffer
6579 (isearch-forward regexp-p))))
6581 (defun gnus-summary-search-article-forward (regexp &optional backward)
6582 "Search for an article containing REGEXP forward.
6583 If BACKWARD, search backward instead."
6586 (format "Search article %s (regexp%s): "
6587 (if current-prefix-arg "backward" "forward")
6588 (if gnus-last-search-regexp
6589 (concat ", default " gnus-last-search-regexp)
6591 current-prefix-arg))
6592 (if (string-equal regexp "")
6593 (setq regexp (or gnus-last-search-regexp ""))
6594 (setq gnus-last-search-regexp regexp))
6595 (if (gnus-summary-search-article regexp backward)
6596 (gnus-summary-show-thread)
6597 (error "Search failed: \"%s\"" regexp)))
6599 (defun gnus-summary-search-article-backward (regexp)
6600 "Search for an article containing REGEXP backward."
6603 (format "Search article backward (regexp%s): "
6604 (if gnus-last-search-regexp
6605 (concat ", default " gnus-last-search-regexp)
6607 (gnus-summary-search-article-forward regexp 'backward))
6609 (defun gnus-summary-search-article (regexp &optional backward)
6610 "Search for an article containing REGEXP.
6611 Optional argument BACKWARD means do search for backward.
6612 `gnus-select-article-hook' is not called during the search."
6613 ;; We have to require this here to make sure that the following
6614 ;; dynamic binding isn't shadowed by autoloading.
6615 (require 'gnus-async)
6616 (let ((gnus-select-article-hook nil) ;Disable hook.
6617 (gnus-article-display-hook nil)
6618 (gnus-mark-article-hook nil) ;Inhibit marking as read.
6619 (gnus-use-article-prefetch nil)
6620 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
6621 (gnus-use-trees nil) ;Inhibit updating tree buffer.
6622 (sum (current-buffer))
6625 (gnus-save-hidden-threads
6626 (gnus-summary-select-article)
6627 (set-buffer gnus-article-buffer)
6631 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
6633 (re-search-backward regexp nil t)
6634 (re-search-forward regexp nil t))
6635 ;; We found the regexp.
6640 (get-buffer-window (current-buffer))
6644 (setq point (point)))
6645 ;; We didn't find it, so we go to the next article.
6648 (while (eq found 'not)
6649 (if (not (if backward (gnus-summary-find-prev)
6650 (gnus-summary-find-next)))
6651 ;; No more articles.
6653 ;; Select the next article and adjust point.
6654 (unless (gnus-summary-article-sparse-p
6655 (gnus-summary-article-number))
6657 (gnus-summary-select-article)
6658 (set-buffer gnus-article-buffer)
6660 (goto-char (if backward (point-max) (point-min))))))))
6661 (gnus-message 7 ""))
6662 ;; Return whether we found the regexp.
6663 (when (eq found 'found)
6665 (gnus-summary-show-thread)
6666 (gnus-summary-goto-subject gnus-current-article)
6667 (gnus-summary-position-point)
6670 (defun gnus-summary-find-matching (header regexp &optional backward unread
6672 "Return a list of all articles that match REGEXP on HEADER.
6673 The search stars on the current article and goes forwards unless
6674 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
6675 If UNREAD is non-nil, only unread articles will
6676 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
6677 in the comparisons."
6678 (let ((data (if (eq backward 'all) gnus-newsgroup-data
6679 (gnus-data-find-list
6680 (gnus-summary-article-number) (gnus-data-list backward))))
6681 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
6682 (case-fold-search (not not-case-fold))
6684 (unless (fboundp (intern (concat "mail-header-" header)))
6685 (error "%s is not a valid header" header))
6688 (and (or (not unread) ; We want all articles...
6689 (gnus-data-unread-p d)) ; Or just unreads.
6690 (vectorp (gnus-data-header d)) ; It's not a pseudo.
6691 (string-match regexp (funcall func (gnus-data-header d))) ; Match.
6692 (push (gnus-data-number d) articles)) ; Success!
6693 (setq data (cdr data)))
6694 (nreverse articles)))
6696 (defun gnus-summary-execute-command (header regexp command &optional backward)
6697 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
6698 If HEADER is an empty string (or nil), the match is done on the entire
6699 article. If BACKWARD (the prefix) is non-nil, search backward instead."
6701 (list (let ((completion-ignore-case t))
6704 (mapcar (lambda (string) (list string))
6705 '("Number" "Subject" "From" "Lines" "Date"
6706 "Message-ID" "Xref" "References" "Body"))
6707 nil 'require-match))
6708 (read-string "Regexp: ")
6709 (read-key-sequence "Command: ")
6710 current-prefix-arg))
6711 (when (equal header "Body")
6713 ;; Hidden thread subtrees must be searched as well.
6714 (gnus-summary-show-all-threads)
6715 ;; We don't want to change current point nor window configuration.
6717 (save-window-excursion
6718 (gnus-message 6 "Executing %s..." (key-description command))
6719 ;; We'd like to execute COMMAND interactively so as to give arguments.
6720 (gnus-execute header regexp
6721 `(call-interactively ',(key-binding command))
6723 (gnus-message 6 "Executing %s...done" (key-description command)))))
6725 (defun gnus-summary-beginning-of-article ()
6726 "Scroll the article back to the beginning."
6728 (gnus-summary-select-article)
6729 (gnus-configure-windows 'article)
6730 (gnus-eval-in-buffer-window gnus-article-buffer
6732 (goto-char (point-min))
6733 (when gnus-page-broken
6734 (gnus-narrow-to-page))))
6736 (defun gnus-summary-end-of-article ()
6737 "Scroll to the end of the article."
6739 (gnus-summary-select-article)
6740 (gnus-configure-windows 'article)
6741 (gnus-eval-in-buffer-window gnus-article-buffer
6743 (goto-char (point-max))
6745 (when gnus-page-broken
6746 (gnus-narrow-to-page))))
6748 (defun gnus-summary-print-article (&optional filename n)
6749 "Generate and print a PostScript image of the N next (mail) articles.
6751 If N is negative, print the N previous articles. If N is nil and articles
6752 have been marked with the process mark, print these instead.
6754 If the optional second argument FILENAME is nil, send the image to the
6755 printer. If FILENAME is a string, save the PostScript image in a file with
6756 that name. If FILENAME is a number, prompt the user for the name of the file
6758 (interactive (list (ps-print-preprint current-prefix-arg)
6759 current-prefix-arg))
6760 (dolist (article (gnus-summary-work-articles n))
6761 (gnus-summary-select-article nil nil 'pseudo article)
6762 (gnus-eval-in-buffer-window gnus-article-buffer
6763 (let ((buffer (generate-new-buffer " *print*")))
6766 (copy-to-buffer buffer (point-min) (point-max))
6768 (gnus-article-delete-invisible-text)
6769 (let ((ps-left-header
6772 (mail-header-subject gnus-current-headers) ")")
6774 (mail-header-from gnus-current-headers) ")")))
6777 "/pagenumberstring load"
6779 (mail-header-date gnus-current-headers) ")"))))
6780 (gnus-run-hooks 'gnus-ps-print-hook)
6782 (ps-print-buffer-with-faces filename))))
6783 (kill-buffer buffer))))))
6785 (defun gnus-summary-show-article (&optional arg)
6786 "Force re-fetching of the current article.
6787 If ARG (the prefix) is non-nil, show the raw article without any
6788 article massaging functions being run."
6791 ;; Select the article the normal way.
6792 (gnus-summary-select-article nil 'force)
6793 ;; Bind the article treatment functions to nil.
6794 (let ((gnus-have-all-headers t)
6795 gnus-article-display-hook
6796 gnus-article-prepare-hook
6800 (gnus-summary-select-article nil 'force)))
6801 (gnus-summary-goto-subject gnus-current-article)
6802 (gnus-summary-position-point))
6804 (defun gnus-summary-verbose-headers (&optional arg)
6805 "Toggle permanent full header display.
6806 If ARG is a positive number, turn header display on.
6807 If ARG is a negative number, turn header display off."
6809 (setq gnus-show-all-headers
6810 (cond ((or (not (numberp arg))
6812 (not gnus-show-all-headers))
6815 (gnus-summary-show-article))
6817 (defun gnus-summary-toggle-header (&optional arg)
6818 "Show the headers if they are hidden, or hide them if they are shown.
6819 If ARG is a positive number, show the entire header.
6820 If ARG is a negative number, hide the unwanted header lines."
6823 (set-buffer gnus-article-buffer)
6824 (let* ((buffer-read-only nil)
6825 (inhibit-point-motion-hooks t)
6826 (hidden (text-property-any
6827 (goto-char (point-min)) (search-forward "\n\n")
6830 (goto-char (point-min))
6831 (when (search-forward "\n\n" nil t)
6832 (delete-region (point-min) (1- (point))))
6833 (goto-char (point-min))
6835 (set-buffer gnus-original-article-buffer)
6836 (goto-char (point-min))
6837 (setq e (1- (or (search-forward "\n\n" nil t) (point-max)))))
6838 (insert-buffer-substring gnus-original-article-buffer 1 e)
6839 (let ((article-inhibit-hiding t))
6840 (gnus-run-hooks 'gnus-article-display-hook))
6841 (when (or (not hidden) (and (numberp arg) (< arg 0)))
6842 (gnus-article-hide-headers)))))
6844 (defun gnus-summary-show-all-headers ()
6845 "Make all header lines visible."
6847 (gnus-article-show-all-headers))
6849 (defun gnus-summary-toggle-mime (&optional arg)
6850 "Toggle MIME processing.
6851 If ARG is a positive number, turn MIME processing on."
6853 (setq gnus-show-mime
6854 (if (null arg) (not gnus-show-mime)
6855 (> (prefix-numeric-value arg) 0)))
6856 (gnus-summary-select-article t 'force))
6858 (defun gnus-summary-caesar-message (&optional arg)
6859 "Caesar rotate the current article by 13.
6860 The numerical prefix specifies how many places to rotate each letter
6863 (gnus-summary-select-article)
6864 (let ((mail-header-separator ""))
6865 (gnus-eval-in-buffer-window gnus-article-buffer
6868 (let ((start (window-start))
6870 (message-caesar-buffer-body arg)
6871 (set-window-start (get-buffer-window (current-buffer)) start))))))
6873 (defun gnus-summary-stop-page-breaking ()
6874 "Stop page breaking in the current article."
6876 (gnus-summary-select-article)
6877 (gnus-eval-in-buffer-window gnus-article-buffer
6879 (when (gnus-visual-p 'page-marker)
6880 (let ((buffer-read-only nil))
6881 (gnus-remove-text-with-property 'gnus-prev)
6882 (gnus-remove-text-with-property 'gnus-next))
6883 (setq gnus-page-broken nil))))
6885 (defun gnus-summary-move-article (&optional n to-newsgroup
6886 select-method action)
6887 "Move the current article to a different newsgroup.
6888 If N is a positive number, move the N next articles.
6889 If N is a negative number, move the N previous articles.
6890 If N is nil and any articles have been marked with the process mark,
6891 move those articles instead.
6892 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
6893 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
6894 re-spool using this method.
6896 For this function to work, both the current newsgroup and the
6897 newsgroup that you want to move to have to support the `request-move'
6898 and `request-accept' functions."
6901 (setq action 'move))
6902 ;; Disable marking as read.
6903 (let (gnus-mark-article-hook)
6904 (save-window-excursion
6905 (gnus-summary-select-article)))
6906 ;; Check whether the source group supports the required functions.
6907 (cond ((and (eq action 'move)
6908 (not (gnus-check-backend-function
6909 'request-move-article gnus-newsgroup-name)))
6910 (error "The current group does not support article moving"))
6911 ((and (eq action 'crosspost)
6912 (not (gnus-check-backend-function
6913 'request-replace-article gnus-newsgroup-name)))
6914 (error "The current group does not support article editing")))
6915 (let ((articles (gnus-summary-work-articles n))
6916 (prefix (gnus-group-real-prefix gnus-newsgroup-name))
6917 (names '((move "Move" "Moving")
6918 (copy "Copy" "Copying")
6919 (crosspost "Crosspost" "Crossposting")))
6920 (copy-buf (save-excursion
6921 (nnheader-set-temp-buffer " *copy article*")))
6922 art-group to-method new-xref article to-groups)
6923 (unless (assq action names)
6924 (error "Unknown action %s" action))
6925 ;; Read the newsgroup name.
6926 (when (and (not to-newsgroup)
6927 (not select-method))
6929 (gnus-read-move-group-name
6930 (cadr (assq action names))
6931 (symbol-value (intern (format "gnus-current-%s-group" action)))
6933 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
6934 (setq to-method (or select-method
6935 (gnus-group-name-to-method to-newsgroup)))
6936 ;; Check the method we are to move this article to...
6937 (unless (gnus-check-backend-function
6938 'request-accept-article (car to-method))
6939 (error "%s does not support article copying" (car to-method)))
6940 (unless (gnus-check-server to-method)
6941 (error "Can't open server %s" (car to-method)))
6942 (gnus-message 6 "%s to %s: %s..."
6943 (caddr (assq action names))
6944 (or (car select-method) to-newsgroup) articles)
6946 (setq article (pop articles))
6950 ;; Move the article.
6952 ;; Remove this article from future suppression.
6953 (gnus-dup-unsuppress-article article)
6954 (gnus-request-move-article
6955 article ; Article to move
6956 gnus-newsgroup-name ; From newsgroup
6957 (nth 1 (gnus-find-method-for-group
6958 gnus-newsgroup-name)) ; Server
6959 (list 'gnus-request-accept-article
6960 to-newsgroup (list 'quote select-method)
6961 (not articles)) ; Accept form
6962 (not articles))) ; Only save nov last time
6963 ;; Copy the article.
6966 (set-buffer copy-buf)
6967 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
6968 (gnus-request-accept-article
6969 to-newsgroup select-method (not articles)))))
6970 ;; Crosspost the article.
6971 ((eq action 'crosspost)
6972 (let ((xref (message-tokenize-header
6973 (mail-header-xref (gnus-summary-article-header article))
6975 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
6978 (setq xref (list (system-name))))
6981 (mapconcat 'identity
6982 (delete "Xref:" (delete new-xref xref))
6986 (set-buffer copy-buf)
6987 ;; First put the article in the destination group.
6988 (gnus-request-article-this-buffer article gnus-newsgroup-name)
6989 (when (consp (setq art-group
6990 (gnus-request-accept-article
6991 to-newsgroup select-method (not articles))))
6992 (setq new-xref (concat new-xref " " (car art-group)
6993 ":" (cdr art-group)))
6994 ;; Now we have the new Xrefs header, so we insert
6995 ;; it and replace the new article.
6996 (nnheader-replace-header "Xref" new-xref)
6997 (gnus-request-replace-article
6998 (cdr art-group) to-newsgroup (current-buffer))
7002 (gnus-message 1 "Couldn't %s article %s"
7003 (cadr (assq action names)) article))
7004 ((and (eq art-group 'junk)
7006 (gnus-summary-mark-article article gnus-canceled-mark)
7007 (gnus-message 4 "Deleted article %s" article))
7011 (gnus-gethash (car art-group) gnus-newsrc-hashtb)
7013 (gnus-group-prefixed-name
7016 (gnus-find-method-for-group to-newsgroup)))
7017 gnus-newsrc-hashtb)))
7018 (info (nth 2 entry))
7019 (to-group (gnus-info-group info)))
7020 ;; Update the group that has been moved to.
7022 (memq action '(move copy)))
7023 (unless (member to-group to-groups)
7024 (push to-group to-groups))
7026 (unless (memq article gnus-newsgroup-unreads)
7028 info (gnus-add-to-range (gnus-info-read info)
7029 (list (cdr art-group)))))
7031 ;; Copy any marks over to the new group.
7032 (let ((marks gnus-article-mark-lists)
7033 (to-article (cdr art-group)))
7035 ;; See whether the article is to be put in the cache.
7036 (when gnus-use-cache
7037 (gnus-cache-possibly-enter-article
7039 (let ((header (copy-sequence
7040 (gnus-summary-article-header article))))
7041 (mail-header-set-number header to-article)
7043 (memq article gnus-newsgroup-marked)
7044 (memq article gnus-newsgroup-dormant)
7045 (memq article gnus-newsgroup-unreads)))
7047 (when (and (equal to-group gnus-newsgroup-name)
7048 (not (memq article gnus-newsgroup-unreads)))
7049 ;; Mark this article as read in this group.
7050 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
7051 (setcdr (gnus-active to-group) to-article)
7052 (setcdr gnus-newsgroup-active to-article))
7055 (when (memq article (symbol-value
7056 (intern (format "gnus-newsgroup-%s"
7058 ;; If the other group is the same as this group,
7059 ;; then we have to add the mark to the list.
7060 (when (equal to-group gnus-newsgroup-name)
7061 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
7064 (intern (format "gnus-newsgroup-%s"
7066 ;; Copy the marks to other group.
7067 (gnus-add-marked-articles
7068 to-group (cdar marks) (list to-article) info))
7069 (setq marks (cdr marks)))
7072 (concat "(gnus-group-set-info '"
7073 (gnus-prin1-to-string (gnus-get-info to-group))
7076 ;; Update the Xref header in this article to point to
7077 ;; the new crossposted article we have just created.
7078 (when (eq action 'crosspost)
7080 (set-buffer copy-buf)
7081 (gnus-request-article-this-buffer article gnus-newsgroup-name)
7082 (nnheader-replace-header "Xref" new-xref)
7083 (gnus-request-replace-article
7084 article gnus-newsgroup-name (current-buffer)))))
7086 ;;;!!!Why is this necessary?
7087 (set-buffer gnus-summary-buffer)
7089 (gnus-summary-goto-subject article)
7090 (when (eq action 'move)
7091 (gnus-summary-mark-article article gnus-canceled-mark))))
7092 (gnus-summary-remove-process-mark article))
7093 ;; Re-activate all groups that have been moved to.
7096 (set-buffer gnus-group-buffer)
7097 (when (gnus-group-goto-group (car to-groups) t)
7098 (gnus-group-get-new-news-this-group 1 t))
7101 (gnus-kill-buffer copy-buf)
7102 (gnus-summary-position-point)
7103 (gnus-set-mode-line 'summary)))
7105 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
7106 "Move the current article to a different newsgroup.
7107 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
7108 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
7109 re-spool using this method."
7111 (gnus-summary-move-article n to-newsgroup select-method 'copy))
7113 (defun gnus-summary-crosspost-article (&optional n)
7114 "Crosspost the current article to some other group."
7116 (gnus-summary-move-article n nil nil 'crosspost))
7118 (defcustom gnus-summary-respool-default-method nil
7119 "Default method for respooling an article.
7120 If nil, use to the current newsgroup method."
7121 :type `(choice (gnus-select-method :value (nnml ""))
7123 :group 'gnus-summary-mail)
7125 (defun gnus-summary-respool-article (&optional n method)
7126 "Respool the current article.
7127 The article will be squeezed through the mail spooling process again,
7128 which means that it will be put in some mail newsgroup or other
7129 depending on `nnmail-split-methods'.
7130 If N is a positive number, respool the N next articles.
7131 If N is a negative number, respool the N previous articles.
7132 If N is nil and any articles have been marked with the process mark,
7133 respool those articles instead.
7135 Respooling can be done both from mail groups and \"real\" newsgroups.
7136 In the former case, the articles in question will be moved from the
7137 current group into whatever groups they are destined to. In the
7138 latter case, they will be copied into the relevant groups."
7140 (list current-prefix-arg
7141 (let* ((methods (gnus-methods-using 'respool))
7143 (symbol-name (or gnus-summary-respool-default-method
7144 (car (gnus-find-method-for-group
7145 gnus-newsgroup-name)))))
7147 (gnus-completing-read
7148 methname "What backend do you want to use when respooling?"
7149 methods nil t nil 'gnus-mail-method-history))
7152 ((zerop (length (setq ms (gnus-servers-using-backend
7154 (list (intern method) ""))
7158 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
7159 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
7162 (error "No method given for respooling"))
7163 (if (assoc (symbol-name
7164 (car (gnus-find-method-for-group gnus-newsgroup-name)))
7165 (gnus-methods-using 'respool))
7166 (gnus-summary-move-article n nil method)
7167 (gnus-summary-copy-article n nil method)))
7169 (defun gnus-summary-import-article (file)
7170 "Import an arbitrary file into a mail newsgroup."
7171 (interactive "fImport file: ")
7172 (let ((group gnus-newsgroup-name)
7173 (now (current-time))
7175 (unless (gnus-check-backend-function 'request-accept-article group)
7176 (error "%s does not support article importing" group))
7177 (or (file-readable-p file)
7178 (not (file-regular-p file))
7179 (error "Can't read %s" file))
7181 (set-buffer (get-buffer-create " *import file*"))
7182 (buffer-disable-undo (current-buffer))
7184 (nnheader-insert-file-contents file)
7185 (goto-char (point-min))
7186 (unless (nnheader-article-p)
7187 ;; This doesn't look like an article, so we fudge some headers.
7188 (setq atts (file-attributes file)
7189 lines (count-lines (point-min) (point-max)))
7190 (insert "From: " (read-string "From: ") "\n"
7191 "Subject: " (read-string "Subject: ") "\n"
7192 "Date: " (timezone-make-date-arpa-standard
7193 (current-time-string (nth 5 atts))
7194 (current-time-zone now)
7195 (current-time-zone now))
7197 "Message-ID: " (message-make-message-id) "\n"
7198 "Lines: " (int-to-string lines) "\n"
7199 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
7200 (gnus-request-accept-article group nil t)
7201 (kill-buffer (current-buffer)))))
7203 (defun gnus-summary-article-posted-p ()
7204 "Say whether the current (mail) article is available from `gnus-select-method' as well.
7205 This will be the case if the article has both been mailed and posted."
7207 (let ((id (mail-header-references (gnus-summary-article-header)))
7208 (gnus-override-method
7209 (or gnus-refer-article-method gnus-select-method)))
7210 (if (gnus-request-head id "")
7211 (gnus-message 2 "The current message was found on %s"
7212 gnus-override-method)
7213 (gnus-message 2 "The current message couldn't be found on %s"
7214 gnus-override-method)
7217 (defun gnus-summary-expire-articles (&optional now)
7218 "Expire all articles that are marked as expirable in the current group."
7220 (when (gnus-check-backend-function
7221 'request-expire-articles gnus-newsgroup-name)
7222 ;; This backend supports expiry.
7223 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
7224 (expirable (if total
7226 ;; We need to update the info for
7227 ;; this group for `gnus-list-of-read-articles'
7228 ;; to give us the right answer.
7229 (gnus-run-hooks 'gnus-exit-group-hook)
7230 (gnus-summary-update-info)
7231 (gnus-list-of-read-articles gnus-newsgroup-name))
7232 (setq gnus-newsgroup-expirable
7233 (sort gnus-newsgroup-expirable '<))))
7234 (expiry-wait (if now 'immediate
7235 (gnus-group-find-parameter
7236 gnus-newsgroup-name 'expiry-wait)))
7239 ;; There are expirable articles in this group, so we run them
7240 ;; through the expiry process.
7241 (gnus-message 6 "Expiring articles...")
7242 ;; The list of articles that weren't expired is returned.
7245 (let ((nnmail-expiry-wait-function nil)
7246 (nnmail-expiry-wait expiry-wait))
7247 (setq es (gnus-request-expire-articles
7248 expirable gnus-newsgroup-name)))
7249 (setq es (gnus-request-expire-articles
7250 expirable gnus-newsgroup-name))))
7252 (setq gnus-newsgroup-expirable es))
7253 ;; We go through the old list of expirable, and mark all
7254 ;; really expired articles as nonexistent.
7255 (unless (eq es expirable) ;If nothing was expired, we don't mark.
7256 (let ((gnus-use-cache nil))
7258 (unless (memq (car expirable) es)
7259 (when (gnus-data-find (car expirable))
7260 (gnus-summary-mark-article
7261 (car expirable) gnus-canceled-mark)))
7262 (setq expirable (cdr expirable)))))
7263 (gnus-message 6 "Expiring articles...done")))))
7265 (defun gnus-summary-expire-articles-now ()
7266 "Expunge all expirable articles in the current group.
7267 This means that *all* articles that are marked as expirable will be
7268 deleted forever, right now."
7270 (or gnus-expert-user
7272 "Are you really, really, really sure you want to delete all these messages? ")
7274 (gnus-summary-expire-articles t))
7276 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
7277 (defun gnus-summary-delete-article (&optional n)
7278 "Delete the N next (mail) articles.
7279 This command actually deletes articles. This is not a marking
7280 command. The article will disappear forever from your life, never to
7282 If N is negative, delete backwards.
7283 If N is nil and articles have been marked with the process mark,
7284 delete these instead."
7286 (unless (gnus-check-backend-function 'request-expire-articles
7287 gnus-newsgroup-name)
7288 (error "The current newsgroup does not support article deletion"))
7289 ;; Compute the list of articles to delete.
7290 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
7292 (if (and gnus-novice-user
7293 (not (gnus-yes-or-no-p
7294 (format "Do you really want to delete %s forever? "
7295 (if (> (length articles) 1)
7296 (format "these %s articles" (length articles))
7299 ;; Delete the articles.
7300 (setq not-deleted (gnus-request-expire-articles
7301 articles gnus-newsgroup-name 'force))
7303 (gnus-summary-remove-process-mark (car articles))
7304 ;; The backend might not have been able to delete the article
7306 (unless (memq (car articles) not-deleted)
7307 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
7308 (setq articles (cdr articles)))
7310 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
7311 (gnus-summary-position-point)
7312 (gnus-set-mode-line 'summary)
7315 (defun gnus-summary-edit-article (&optional force)
7316 "Edit the current article.
7317 This will have permanent effect only in mail groups.
7318 If FORCE is non-nil, allow editing of articles even in read-only
7322 (set-buffer gnus-summary-buffer)
7323 (gnus-set-global-variables)
7324 (when (and (not force)
7325 (gnus-group-read-only-p))
7326 (error "The current newsgroup does not support article editing"))
7327 ;; Select article if needed.
7328 (unless (eq (gnus-summary-article-number)
7329 gnus-current-article)
7330 (gnus-summary-select-article t))
7331 (gnus-article-date-original)
7332 (gnus-article-edit-article
7333 `(lambda (no-highlight)
7334 (gnus-summary-edit-article-done
7335 ,(or (mail-header-references gnus-current-headers) "")
7336 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight)))))
7338 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
7340 (defun gnus-summary-edit-article-done (&optional references read-only buffer
7342 "Make edits to the current article permanent."
7344 ;; Replace the article.
7345 (let ((buf (current-buffer)))
7346 (nnheader-temp-write nil
7348 (if (and (not read-only)
7349 (not (gnus-request-replace-article
7350 (cdr gnus-article-current) (car gnus-article-current)
7352 (error "Couldn't replace article")
7353 ;; Update the summary buffer.
7355 (equal (message-tokenize-header references " ")
7356 (message-tokenize-header
7357 (or (message-fetch-field "references") "") " ")))
7358 ;; We only have to update this line.
7361 (message-narrow-to-head)
7362 (let ((head (buffer-string))
7364 (nnheader-temp-write nil
7365 (insert (format "211 %d Article retrieved.\n"
7366 (cdr gnus-article-current)))
7369 (let ((nntp-server-buffer (current-buffer)))
7370 (setq header (car (gnus-get-newsgroup-headers
7372 (set-buffer gnus-summary-buffer)
7373 gnus-newsgroup-dependencies)
7376 (set-buffer gnus-summary-buffer)
7377 (gnus-data-set-header
7378 (gnus-data-find (cdr gnus-article-current))
7380 (gnus-summary-update-article-line
7381 (cdr gnus-article-current) header))))))
7383 (set-buffer (or buffer gnus-summary-buffer))
7384 (gnus-summary-update-article (cdr gnus-article-current)))
7385 ;; Prettify the article buffer again.
7386 (unless no-highlight
7388 (set-buffer gnus-article-buffer)
7389 (gnus-run-hooks 'gnus-article-display-hook)
7390 (set-buffer gnus-original-article-buffer)
7391 (gnus-request-article
7392 (cdr gnus-article-current)
7393 (car gnus-article-current) (current-buffer))))
7394 ;; Prettify the summary buffer line.
7395 (when (gnus-visual-p 'summary-highlight 'highlight)
7396 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
7398 (defun gnus-summary-edit-wash (key)
7399 "Perform editing command KEY in the article buffer."
7403 (message "%s" (concat (this-command-keys) "- "))
7406 (gnus-summary-edit-article)
7407 (execute-kbd-macro (concat (this-command-keys) key))
7408 (gnus-article-edit-done))
7412 (defun gnus-summary-respool-query (&optional silent trace)
7413 "Query where the respool algorithm would put this article."
7415 (let (gnus-mark-article-hook)
7416 (gnus-summary-select-article)
7418 (set-buffer gnus-original-article-buffer)
7420 (message-narrow-to-head)
7421 (let ((groups (nnmail-article-group 'identity trace)))
7424 (message "This message would go to %s"
7425 (mapconcat 'car groups ", "))
7426 (message "This message would go to no groups"))
7429 (defun gnus-summary-respool-trace ()
7430 "Trace where the respool algorithm would put this article.
7431 Display a buffer showing all fancy splitting patterns which matched."
7433 (gnus-summary-respool-query nil t))
7435 ;; Summary marking commands.
7437 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
7438 "Mark articles which has the same subject as read, and then select the next.
7439 If UNMARK is positive, remove any kind of mark.
7440 If UNMARK is negative, tick articles."
7443 (setq unmark (prefix-numeric-value unmark)))
7445 (gnus-summary-mark-same-subject
7446 (gnus-summary-article-subject) unmark)))
7447 ;; Select next unread article. If auto-select-same mode, should
7448 ;; select the first unread article.
7449 (gnus-summary-next-article t (and gnus-auto-select-same
7450 (gnus-summary-article-subject)))
7451 (gnus-message 7 "%d article%s marked as %s"
7452 count (if (= count 1) " is" "s are")
7453 (if unmark "unread" "read"))))
7455 (defun gnus-summary-kill-same-subject (&optional unmark)
7456 "Mark articles which has the same subject as read.
7457 If UNMARK is positive, remove any kind of mark.
7458 If UNMARK is negative, tick articles."
7461 (setq unmark (prefix-numeric-value unmark)))
7463 (gnus-summary-mark-same-subject
7464 (gnus-summary-article-subject) unmark)))
7465 ;; If marked as read, go to next unread subject.
7467 ;; Go to next unread subject.
7468 (gnus-summary-next-subject 1 t))
7469 (gnus-message 7 "%d articles are marked as %s"
7470 count (if unmark "unread" "read"))))
7472 (defun gnus-summary-mark-same-subject (subject &optional unmark)
7473 "Mark articles with same SUBJECT as read, and return marked number.
7474 If optional argument UNMARK is positive, remove any kinds of marks.
7475 If optional argument UNMARK is negative, mark articles as unread instead."
7479 ((null unmark) ; Mark as read.
7482 (gnus-summary-mark-article-as-read gnus-killed-mark)
7483 (gnus-summary-show-thread) t)
7484 (gnus-summary-find-subject subject))
7485 (setq count (1+ count))))
7486 ((> unmark 0) ; Tick.
7489 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
7490 (gnus-summary-show-thread) t)
7491 (gnus-summary-find-subject subject))
7492 (setq count (1+ count))))
7493 (t ; Mark as unread.
7496 (gnus-summary-mark-article-as-unread gnus-unread-mark)
7497 (gnus-summary-show-thread) t)
7498 (gnus-summary-find-subject subject))
7499 (setq count (1+ count)))))
7500 (gnus-set-mode-line 'summary)
7501 ;; Return the number of marked articles.
7504 (defun gnus-summary-mark-as-processable (n &optional unmark)
7505 "Set the process mark on the next N articles.
7506 If N is negative, mark backward instead. If UNMARK is non-nil, remove
7507 the process mark instead. The difference between N and the actual
7508 number of articles marked is returned."
7510 (let ((backward (< n 0))
7515 (gnus-summary-remove-process-mark
7516 (gnus-summary-article-number))
7517 (gnus-summary-set-process-mark (gnus-summary-article-number)))
7518 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
7521 (gnus-message 7 "No more articles"))
7522 (gnus-summary-recenter)
7523 (gnus-summary-position-point)
7526 (defun gnus-summary-unmark-as-processable (n)
7527 "Remove the process mark from the next N articles.
7528 If N is negative, unmark backward instead. The difference between N and
7529 the actual number of articles unmarked is returned."
7531 (gnus-summary-mark-as-processable n t))
7533 (defun gnus-summary-unmark-all-processable ()
7534 "Remove the process mark from all articles."
7537 (while gnus-newsgroup-processable
7538 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
7539 (gnus-summary-position-point))
7541 (defun gnus-summary-mark-as-expirable (n)
7542 "Mark N articles forward as expirable.
7543 If N is negative, mark backward instead. The difference between N and
7544 the actual number of articles marked is returned."
7546 (gnus-summary-mark-forward n gnus-expirable-mark))
7548 (defun gnus-summary-mark-article-as-replied (article)
7549 "Mark ARTICLE replied and update the summary line."
7550 (push article gnus-newsgroup-replied)
7551 (let ((buffer-read-only nil))
7552 (when (gnus-summary-goto-subject article)
7553 (gnus-summary-update-secondary-mark article))))
7555 (defun gnus-summary-set-bookmark (article)
7556 "Set a bookmark in current article."
7557 (interactive (list (gnus-summary-article-number)))
7558 (when (or (not (get-buffer gnus-article-buffer))
7559 (not gnus-current-article)
7560 (not gnus-article-current)
7561 (not (equal gnus-newsgroup-name (car gnus-article-current))))
7562 (error "No current article selected"))
7563 ;; Remove old bookmark, if one exists.
7564 (let ((old (assq article gnus-newsgroup-bookmarks)))
7566 (setq gnus-newsgroup-bookmarks
7567 (delq old gnus-newsgroup-bookmarks))))
7568 ;; Set the new bookmark, which is on the form
7569 ;; (article-number . line-number-in-body).
7573 (set-buffer gnus-article-buffer)
7577 (goto-char (point-min))
7578 (search-forward "\n\n" nil t)
7581 gnus-newsgroup-bookmarks)
7582 (gnus-message 6 "A bookmark has been added to the current article."))
7584 (defun gnus-summary-remove-bookmark (article)
7585 "Remove the bookmark from the current article."
7586 (interactive (list (gnus-summary-article-number)))
7587 ;; Remove old bookmark, if one exists.
7588 (let ((old (assq article gnus-newsgroup-bookmarks)))
7591 (setq gnus-newsgroup-bookmarks
7592 (delq old gnus-newsgroup-bookmarks))
7593 (gnus-message 6 "Removed bookmark."))
7594 (gnus-message 6 "No bookmark in current article."))))
7596 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
7597 (defun gnus-summary-mark-as-dormant (n)
7598 "Mark N articles forward as dormant.
7599 If N is negative, mark backward instead. The difference between N and
7600 the actual number of articles marked is returned."
7602 (gnus-summary-mark-forward n gnus-dormant-mark))
7604 (defun gnus-summary-set-process-mark (article)
7605 "Set the process mark on ARTICLE and update the summary line."
7606 (setq gnus-newsgroup-processable
7608 (delq article gnus-newsgroup-processable)))
7609 (when (gnus-summary-goto-subject article)
7610 (gnus-summary-show-thread)
7611 (gnus-summary-update-secondary-mark article)))
7613 (defun gnus-summary-remove-process-mark (article)
7614 "Remove the process mark from ARTICLE and update the summary line."
7615 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
7616 (when (gnus-summary-goto-subject article)
7617 (gnus-summary-show-thread)
7618 (gnus-summary-update-secondary-mark article)))
7620 (defun gnus-summary-set-saved-mark (article)
7621 "Set the process mark on ARTICLE and update the summary line."
7622 (push article gnus-newsgroup-saved)
7623 (when (gnus-summary-goto-subject article)
7624 (gnus-summary-update-secondary-mark article)))
7626 (defun gnus-summary-mark-forward (n &optional mark no-expire)
7627 "Mark N articles as read forwards.
7628 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
7629 The difference between N and the actual number of articles marked is
7632 (let ((backward (< n 0))
7633 (gnus-summary-goto-unread
7634 (and gnus-summary-goto-unread
7635 (not (eq gnus-summary-goto-unread 'never))
7636 (not (memq mark (list gnus-unread-mark
7637 gnus-ticked-mark gnus-dormant-mark)))))
7639 (mark (or mark gnus-del-mark)))
7641 (gnus-summary-mark-article nil mark no-expire)
7642 (zerop (gnus-summary-next-subject
7644 (and gnus-summary-goto-unread
7645 (not (eq gnus-summary-goto-unread 'never)))
7649 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
7650 (gnus-summary-recenter)
7651 (gnus-summary-position-point)
7652 (gnus-set-mode-line 'summary)
7655 (defun gnus-summary-mark-article-as-read (mark)
7656 "Mark the current article quickly as read with MARK."
7657 (let ((article (gnus-summary-article-number)))
7658 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
7659 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
7660 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
7661 (push (cons article mark) gnus-newsgroup-reads)
7662 ;; Possibly remove from cache, if that is used.
7663 (when gnus-use-cache
7664 (gnus-cache-enter-remove-article article))
7665 ;; Allow the backend to change the mark.
7666 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
7667 ;; Check for auto-expiry.
7668 (when (and gnus-newsgroup-auto-expire
7669 (or (= mark gnus-killed-mark) (= mark gnus-del-mark)
7670 (= mark gnus-catchup-mark) (= mark gnus-low-score-mark)
7671 (= mark gnus-ancient-mark)
7672 (= mark gnus-read-mark) (= mark gnus-souped-mark)
7673 (= mark gnus-duplicate-mark)))
7674 (setq mark gnus-expirable-mark)
7675 (push article gnus-newsgroup-expirable))
7676 ;; Set the mark in the buffer.
7677 (gnus-summary-update-mark mark 'unread)
7680 (defun gnus-summary-mark-article-as-unread (mark)
7681 "Mark the current article quickly as unread with MARK."
7682 (let* ((article (gnus-summary-article-number))
7683 (old-mark (gnus-summary-article-mark article)))
7684 (if (eq mark old-mark)
7688 (gnus-error 1 "Can't mark negative article numbers")
7690 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
7691 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
7692 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
7693 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
7694 (cond ((= mark gnus-ticked-mark)
7695 (push article gnus-newsgroup-marked))
7696 ((= mark gnus-dormant-mark)
7697 (push article gnus-newsgroup-dormant))
7699 (push article gnus-newsgroup-unreads)))
7700 (gnus-pull article gnus-newsgroup-reads)
7702 ;; See whether the article is to be put in the cache.
7704 (vectorp (gnus-summary-article-header article))
7706 (gnus-cache-possibly-enter-article
7707 gnus-newsgroup-name article
7708 (gnus-summary-article-header article)
7709 (= mark gnus-ticked-mark)
7710 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
7713 (gnus-summary-update-mark mark 'unread)
7716 (defun gnus-summary-mark-article (&optional article mark no-expire)
7717 "Mark ARTICLE with MARK. MARK can be any character.
7718 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
7719 `??' (dormant) and `?E' (expirable).
7720 If MARK is nil, then the default character `?D' is used.
7721 If ARTICLE is nil, then the article on the current line will be
7723 ;; The mark might be a string.
7724 (when (stringp mark)
7725 (setq mark (aref mark 0)))
7726 ;; If no mark is given, then we check auto-expiring.
7727 (and (not no-expire)
7728 gnus-newsgroup-auto-expire
7730 (and (gnus-characterp mark)
7731 (or (= mark gnus-killed-mark) (= mark gnus-del-mark)
7732 (= mark gnus-catchup-mark) (= mark gnus-low-score-mark)
7733 (= mark gnus-read-mark) (= mark gnus-souped-mark)
7734 (= mark gnus-duplicate-mark))))
7735 (setq mark gnus-expirable-mark))
7736 (let* ((mark (or mark gnus-del-mark))
7737 (article (or article (gnus-summary-article-number)))
7738 (old-mark (gnus-summary-article-mark article)))
7739 (if (eq mark old-mark)
7742 (error "No article on current line"))
7743 (if (not (if (or (= mark gnus-unread-mark)
7744 (= mark gnus-ticked-mark)
7745 (= mark gnus-dormant-mark))
7746 (gnus-mark-article-as-unread article mark)
7747 (gnus-mark-article-as-read article mark)))
7749 ;; See whether the article is to be put in the cache.
7751 (not (= mark gnus-canceled-mark))
7752 (vectorp (gnus-summary-article-header article))
7754 (gnus-cache-possibly-enter-article
7755 gnus-newsgroup-name article
7756 (gnus-summary-article-header article)
7757 (= mark gnus-ticked-mark)
7758 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
7760 (when (gnus-summary-goto-subject article nil t)
7761 (let ((buffer-read-only nil))
7762 (gnus-summary-show-thread)
7764 (gnus-summary-update-mark mark 'unread)
7767 (defun gnus-summary-update-secondary-mark (article)
7768 "Update the secondary (read, process, cache) mark."
7769 (gnus-summary-update-mark
7770 (cond ((memq article gnus-newsgroup-processable)
7772 ((memq article gnus-newsgroup-cached)
7774 ((memq article gnus-newsgroup-replied)
7776 ((memq article gnus-newsgroup-saved)
7778 (t gnus-unread-mark))
7780 (when (gnus-visual-p 'summary-highlight 'highlight)
7781 (gnus-run-hooks 'gnus-summary-update-hook))
7784 (defun gnus-summary-update-mark (mark type)
7785 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
7786 (buffer-read-only nil))
7787 (re-search-backward "[\n\r]" (gnus-point-at-bol) 'move-to-limit)
7788 (when (looking-at "\r")
7791 (<= (+ forward (point)) (point-max)))
7792 ;; Go to the right position on the line.
7793 (goto-char (+ forward (point)))
7794 ;; Replace the old mark with the new mark.
7795 (subst-char-in-region (point) (1+ (point)) (following-char) mark)
7796 ;; Optionally update the marks by some user rule.
7797 (when (eq type 'unread)
7799 (gnus-data-find (gnus-summary-article-number)) mark)
7800 (gnus-summary-update-line (eq mark gnus-unread-mark))))))
7802 (defun gnus-mark-article-as-read (article &optional mark)
7803 "Enter ARTICLE in the pertinent lists and remove it from others."
7804 ;; Make the article expirable.
7805 (let ((mark (or mark gnus-del-mark)))
7806 (if (= mark gnus-expirable-mark)
7807 (push article gnus-newsgroup-expirable)
7808 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)))
7809 ;; Remove from unread and marked lists.
7810 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
7811 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
7812 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
7813 (push (cons article mark) gnus-newsgroup-reads)
7814 ;; Possibly remove from cache, if that is used.
7815 (when gnus-use-cache
7816 (gnus-cache-enter-remove-article article))
7819 (defun gnus-mark-article-as-unread (article &optional mark)
7820 "Enter ARTICLE in the pertinent lists and remove it from others."
7821 (let ((mark (or mark gnus-ticked-mark)))
7824 (gnus-error 1 "Can't mark negative article numbers")
7826 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
7827 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
7828 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
7829 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
7831 ;; Unsuppress duplicates?
7832 (when gnus-suppress-duplicates
7833 (gnus-dup-unsuppress-article article))
7835 (cond ((= mark gnus-ticked-mark)
7836 (push article gnus-newsgroup-marked))
7837 ((= mark gnus-dormant-mark)
7838 (push article gnus-newsgroup-dormant))
7840 (push article gnus-newsgroup-unreads)))
7841 (gnus-pull article gnus-newsgroup-reads)
7844 (defalias 'gnus-summary-mark-as-unread-forward
7845 'gnus-summary-tick-article-forward)
7846 (make-obsolete 'gnus-summary-mark-as-unread-forward
7847 'gnus-summary-tick-article-forward)
7848 (defun gnus-summary-tick-article-forward (n)
7849 "Tick N articles forwards.
7850 If N is negative, tick backwards instead.
7851 The difference between N and the number of articles ticked is returned."
7853 (gnus-summary-mark-forward n gnus-ticked-mark))
7855 (defalias 'gnus-summary-mark-as-unread-backward
7856 'gnus-summary-tick-article-backward)
7857 (make-obsolete 'gnus-summary-mark-as-unread-backward
7858 'gnus-summary-tick-article-backward)
7859 (defun gnus-summary-tick-article-backward (n)
7860 "Tick N articles backwards.
7861 The difference between N and the number of articles ticked is returned."
7863 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
7865 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
7866 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
7867 (defun gnus-summary-tick-article (&optional article clear-mark)
7868 "Mark current article as unread.
7869 Optional 1st argument ARTICLE specifies article number to be marked as unread.
7870 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
7872 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
7875 (defun gnus-summary-mark-as-read-forward (n)
7876 "Mark N articles as read forwards.
7877 If N is negative, mark backwards instead.
7878 The difference between N and the actual number of articles marked is
7881 (gnus-summary-mark-forward n gnus-del-mark t))
7883 (defun gnus-summary-mark-as-read-backward (n)
7884 "Mark the N articles as read backwards.
7885 The difference between N and the actual number of articles marked is
7888 (gnus-summary-mark-forward (- n) gnus-del-mark t))
7890 (defun gnus-summary-mark-as-read (&optional article mark)
7891 "Mark current article as read.
7892 ARTICLE specifies the article to be marked as read.
7893 MARK specifies a string to be inserted at the beginning of the line."
7894 (gnus-summary-mark-article article mark))
7896 (defun gnus-summary-clear-mark-forward (n)
7897 "Clear marks from N articles forward.
7898 If N is negative, clear backward instead.
7899 The difference between N and the number of marks cleared is returned."
7901 (gnus-summary-mark-forward n gnus-unread-mark))
7903 (defun gnus-summary-clear-mark-backward (n)
7904 "Clear marks from N articles backward.
7905 The difference between N and the number of marks cleared is returned."
7907 (gnus-summary-mark-forward (- n) gnus-unread-mark))
7909 (defun gnus-summary-mark-unread-as-read ()
7910 "Intended to be used by `gnus-summary-mark-article-hook'."
7911 (when (memq gnus-current-article gnus-newsgroup-unreads)
7912 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
7914 (defun gnus-summary-mark-read-and-unread-as-read ()
7915 "Intended to be used by `gnus-summary-mark-article-hook'."
7916 (let ((mark (gnus-summary-article-mark)))
7917 (when (or (gnus-unread-mark-p mark)
7918 (gnus-read-mark-p mark))
7919 (gnus-summary-mark-article gnus-current-article gnus-read-mark))))
7921 (defun gnus-summary-mark-region-as-read (point mark all)
7922 "Mark all unread articles between point and mark as read.
7923 If given a prefix, mark all articles between point and mark as read,
7924 even ticked and dormant ones."
7925 (interactive "r\nP")
7934 (memq (setq article (gnus-summary-article-number))
7935 gnus-newsgroup-unreads))
7936 (gnus-summary-mark-article article gnus-del-mark))
7938 (gnus-summary-find-next))))))
7940 (defun gnus-summary-mark-below (score mark)
7941 "Mark articles with score less than SCORE with MARK."
7942 (interactive "P\ncMark: ")
7943 (setq score (if score
7944 (prefix-numeric-value score)
7945 (or gnus-summary-default-score 0)))
7947 (set-buffer gnus-summary-buffer)
7948 (goto-char (point-min))
7951 (and (< (gnus-summary-article-score) score)
7952 (gnus-summary-mark-article nil mark))
7953 (gnus-summary-find-next)))))
7955 (defun gnus-summary-kill-below (&optional score)
7956 "Mark articles with score below SCORE as read."
7958 (gnus-summary-mark-below score gnus-killed-mark))
7960 (defun gnus-summary-clear-above (&optional score)
7961 "Clear all marks from articles with score above SCORE."
7963 (gnus-summary-mark-above score gnus-unread-mark))
7965 (defun gnus-summary-tick-above (&optional score)
7966 "Tick all articles with score above SCORE."
7968 (gnus-summary-mark-above score gnus-ticked-mark))
7970 (defun gnus-summary-mark-above (score mark)
7971 "Mark articles with score over SCORE with MARK."
7972 (interactive "P\ncMark: ")
7973 (setq score (if score
7974 (prefix-numeric-value score)
7975 (or gnus-summary-default-score 0)))
7977 (set-buffer gnus-summary-buffer)
7978 (goto-char (point-min))
7980 (when (> (gnus-summary-article-score) score)
7981 (gnus-summary-mark-article nil mark))
7983 (gnus-summary-find-next)))))
7985 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
7986 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
7987 (defun gnus-summary-limit-include-expunged (&optional no-error)
7988 "Display all the hidden articles that were expunged for low scores."
7990 (let ((buffer-read-only nil))
7991 (let ((scored gnus-newsgroup-scored)
7994 (unless (gnus-summary-goto-subject (caar scored))
7995 (and (setq h (gnus-summary-article-header (caar scored)))
7996 (< (cdar scored) gnus-summary-expunge-below)
7998 (setq scored (cdr scored)))
8000 (when (not no-error)
8001 (error "No expunged articles hidden"))
8002 (goto-char (point-min))
8003 (gnus-summary-prepare-unthreaded (nreverse headers))
8004 (goto-char (point-min))
8005 (gnus-summary-position-point)
8008 (defun gnus-summary-catchup (&optional all quietly to-here not-mark)
8009 "Mark all unread articles in this newsgroup as read.
8010 If prefix argument ALL is non-nil, ticked and dormant articles will
8011 also be marked as read.
8012 If QUIETLY is non-nil, no questions will be asked.
8013 If TO-HERE is non-nil, it should be a point in the buffer. All
8014 articles before this point will be marked as read.
8015 Note that this function will only catch up the unread article
8016 in the current summary buffer limitation.
8017 The number of articles marked as read is returned."
8022 (not gnus-interactive-catchup) ;Without confirmation?
8026 "Mark absolutely all articles as read? "
8027 "Mark all unread articles as read? ")))
8029 (not gnus-newsgroup-adaptive)
8030 (not gnus-newsgroup-auto-expire)
8031 (not gnus-suppress-duplicates)
8032 (or (not gnus-use-cache)
8033 (eq gnus-use-cache 'passive)))
8036 (setq gnus-newsgroup-marked nil
8037 gnus-newsgroup-dormant nil))
8038 (setq gnus-newsgroup-unreads gnus-newsgroup-downloadable))
8039 ;; We actually mark all articles as canceled, which we
8040 ;; have to do when using auto-expiry or adaptive scoring.
8041 (gnus-summary-show-all-threads)
8042 (when (gnus-summary-first-subject (not all) t)
8044 (if to-here (< (point) to-here) t)
8045 (gnus-summary-mark-article-as-read gnus-catchup-mark)
8046 (gnus-summary-find-next (not all) nil nil t))))
8047 (gnus-set-mode-line 'summary))
8049 (gnus-summary-position-point)))
8051 (defun gnus-summary-catchup-to-here (&optional all)
8052 "Mark all unticked articles before the current one as read.
8053 If ALL is non-nil, also mark ticked and dormant articles as read."
8056 (gnus-save-hidden-threads
8057 (let ((beg (point)))
8058 ;; We check that there are unread articles.
8059 (when (or all (gnus-summary-find-prev))
8060 (gnus-summary-catchup all t beg)))))
8061 (gnus-summary-position-point))
8063 (defun gnus-summary-catchup-all (&optional quietly)
8064 "Mark all articles in this newsgroup as read."
8066 (gnus-summary-catchup t quietly))
8068 (defun gnus-summary-catchup-and-exit (&optional all quietly)
8069 "Mark all articles not marked as unread in this newsgroup as read, then exit.
8070 If prefix argument ALL is non-nil, all articles are marked as read."
8072 (when (gnus-summary-catchup all quietly nil 'fast)
8073 ;; Select next newsgroup or exit.
8074 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
8075 (eq gnus-auto-select-next 'quietly))
8076 (gnus-summary-next-group nil)
8077 (gnus-summary-exit))))
8079 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
8080 "Mark all articles in this newsgroup as read, and then exit."
8082 (gnus-summary-catchup-and-exit t quietly))
8084 ;; Suggested by "Arne Eofsson" <arne@hodgkin.mbi.ucla.edu>.
8085 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
8086 "Mark all articles in this group as read and select the next group.
8087 If given a prefix, mark all articles, unread as well as ticked, as
8091 (gnus-summary-catchup all))
8092 (gnus-summary-next-article t nil nil t))
8094 ;; Thread-based commands.
8096 (defun gnus-summary-articles-in-thread (&optional article)
8097 "Return a list of all articles in the current thread.
8098 If ARTICLE is non-nil, return all articles in the thread that starts
8100 (let* ((article (or article (gnus-summary-article-number)))
8101 (data (gnus-data-find-list article))
8102 (top-level (gnus-data-level (car data)))
8104 (cond ((null gnus-thread-operation-ignore-subject)
8105 (gnus-simplify-subject-re
8106 (mail-header-subject (gnus-data-header (car data)))))
8107 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
8108 (gnus-simplify-subject-fuzzy
8109 (mail-header-subject (gnus-data-header (car data)))))
8111 (end-point (save-excursion
8112 (if (gnus-summary-go-to-next-thread)
8113 (point) (point-max))))
8116 (< (gnus-data-pos (car data)) end-point))
8117 (when (or (not top-subject)
8118 (string= top-subject
8119 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
8120 (gnus-simplify-subject-fuzzy
8121 (mail-header-subject
8122 (gnus-data-header (car data))))
8123 (gnus-simplify-subject-re
8124 (mail-header-subject
8125 (gnus-data-header (car data)))))))
8126 (push (gnus-data-number (car data)) articles))
8127 (unless (and (setq data (cdr data))
8128 (> (gnus-data-level (car data)) top-level))
8130 ;; Return the list of articles.
8131 (nreverse articles)))
8133 (defun gnus-summary-rethread-current ()
8134 "Rethread the thread the current article is part of."
8136 (let* ((gnus-show-threads t)
8137 (article (gnus-summary-article-number))
8138 (id (mail-header-id (gnus-summary-article-header)))
8139 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
8141 (error "No article on the current line"))
8142 (gnus-rebuild-thread id)
8143 (gnus-summary-goto-subject article)))
8145 (defun gnus-summary-reparent-thread ()
8146 "Make the current article child of the marked (or previous) article.
8148 Note that the re-threading will only work if `gnus-thread-ignore-subject'
8149 is non-nil or the Subject: of both articles are the same."
8151 (unless (not (gnus-group-read-only-p))
8152 (error "The current newsgroup does not support article editing"))
8153 (unless (<= (length gnus-newsgroup-processable) 1)
8154 (error "No more than one article may be marked"))
8155 (save-window-excursion
8156 (let ((gnus-article-buffer " *reparent*")
8157 (current-article (gnus-summary-article-number))
8158 ;; First grab the marked article, otherwise one line up.
8159 (parent-article (if (not (null gnus-newsgroup-processable))
8160 (car gnus-newsgroup-processable)
8162 (if (eq (forward-line -1) 0)
8163 (gnus-summary-article-number)
8164 (error "Beginning of summary buffer"))))))
8165 (unless (not (eq current-article parent-article))
8166 (error "An article may not be self-referential"))
8167 (let ((message-id (mail-header-id
8168 (gnus-summary-article-header parent-article))))
8169 (unless (and message-id (not (equal message-id "")))
8170 (error "No message-id in desired parent"))
8171 ;; We don't want the article to be marked as read.
8172 (let (gnus-mark-article-hook)
8173 (gnus-summary-select-article t t nil current-article))
8174 (set-buffer gnus-original-article-buffer)
8175 (let ((buf (format "%s" (buffer-string))))
8176 (nnheader-temp-write nil
8178 (goto-char (point-min))
8179 (if (re-search-forward "^References: " nil t)
8181 (re-search-forward "^[^ \t]" nil t)
8184 (insert " " message-id))
8185 (insert "References: " message-id "\n"))
8186 (unless (gnus-request-replace-article
8187 current-article (car gnus-article-current)
8189 (error "Couldn't replace article"))))
8190 (set-buffer gnus-summary-buffer)
8191 (gnus-summary-unmark-all-processable)
8192 (gnus-summary-update-article current-article)
8193 (gnus-summary-rethread-current)
8194 (gnus-message 3 "Article %d is now the child of article %d"
8195 current-article parent-article)))))
8197 (defun gnus-summary-toggle-threads (&optional arg)
8198 "Toggle showing conversation threads.
8199 If ARG is positive number, turn showing conversation threads on."
8201 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
8202 (setq gnus-show-threads
8203 (if (null arg) (not gnus-show-threads)
8204 (> (prefix-numeric-value arg) 0)))
8205 (gnus-summary-prepare)
8206 (gnus-summary-goto-subject current)
8207 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
8208 (gnus-summary-position-point)))
8210 (defun gnus-summary-show-all-threads ()
8214 (let ((buffer-read-only nil))
8215 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
8216 (gnus-summary-position-point))
8218 (defun gnus-summary-show-thread ()
8219 "Show thread subtrees.
8220 Returns nil if no thread was there to be shown."
8222 (let ((buffer-read-only nil)
8224 ;; first goto end then to beg, to have point at beg after let
8225 (end (progn (end-of-line) (point)))
8226 (beg (progn (beginning-of-line) (point))))
8228 ;; Any hidden lines here?
8229 (search-forward "\r" end t)
8230 (subst-char-in-region beg end ?\^M ?\n t)
8232 (gnus-summary-position-point))))
8234 (defun gnus-summary-hide-all-threads ()
8235 "Hide all thread subtrees."
8238 (goto-char (point-min))
8239 (gnus-summary-hide-thread)
8240 (while (zerop (gnus-summary-next-thread 1 t))
8241 (gnus-summary-hide-thread)))
8242 (gnus-summary-position-point))
8244 (defun gnus-summary-hide-thread ()
8245 "Hide thread subtrees.
8246 Returns nil if no threads were there to be hidden."
8248 (let ((buffer-read-only nil)
8250 (article (gnus-summary-article-number)))
8252 ;; Go forward until either the buffer ends or the subthread
8254 (when (and (not (eobp))
8255 (or (zerop (gnus-summary-next-thread 1 t))
8256 (goto-char (point-max))))
8258 (if (and (> (point) start)
8259 (search-backward "\n" start t))
8261 (subst-char-in-region start (point) ?\n ?\^M)
8262 (gnus-summary-goto-subject article))
8265 ;;(gnus-summary-position-point)
8268 (defun gnus-summary-go-to-next-thread (&optional previous)
8269 "Go to the same level (or less) next thread.
8270 If PREVIOUS is non-nil, go to previous thread instead.
8271 Return the article number moved to, or nil if moving was impossible."
8272 (let ((level (gnus-summary-thread-level))
8273 (way (if previous -1 1))
8276 (while (and (not (eobp))
8277 (< level (gnus-summary-thread-level)))
8285 (gnus-summary-article-number)
8288 (defun gnus-summary-next-thread (n &optional silent)
8289 "Go to the same level next N'th thread.
8290 If N is negative, search backward instead.
8291 Returns the difference between N and the number of skips actually
8294 If SILENT, don't output messages."
8296 (let ((backward (< n 0))
8299 (gnus-summary-go-to-next-thread backward))
8302 (gnus-summary-position-point))
8303 (when (and (not silent) (/= 0 n))
8304 (gnus-message 7 "No more threads"))
8307 (defun gnus-summary-prev-thread (n)
8308 "Go to the same level previous N'th thread.
8309 Returns the difference between N and the number of skips actually
8312 (gnus-summary-next-thread (- n)))
8314 (defun gnus-summary-go-down-thread ()
8315 "Go down one level in the current thread."
8316 (let ((children (gnus-summary-article-children)))
8318 (gnus-summary-goto-subject (car children)))))
8320 (defun gnus-summary-go-up-thread ()
8321 "Go up one level in the current thread."
8322 (let ((parent (gnus-summary-article-parent)))
8324 (gnus-summary-goto-subject parent))))
8326 (defun gnus-summary-down-thread (n)
8327 "Go down thread N steps.
8328 If N is negative, go up instead.
8329 Returns the difference between N and how many steps down that were
8335 (if up (gnus-summary-go-up-thread)
8336 (gnus-summary-go-down-thread)))
8338 (gnus-summary-position-point)
8340 (gnus-message 7 "Can't go further"))
8343 (defun gnus-summary-up-thread (n)
8344 "Go up thread N steps.
8345 If N is negative, go up instead.
8346 Returns the difference between N and how many steps down that were
8349 (gnus-summary-down-thread (- n)))
8351 (defun gnus-summary-top-thread ()
8352 "Go to the top of the thread."
8354 (while (gnus-summary-go-up-thread))
8355 (gnus-summary-article-number))
8357 (defun gnus-summary-kill-thread (&optional unmark)
8358 "Mark articles under current thread as read.
8359 If the prefix argument is positive, remove any kinds of marks.
8360 If the prefix argument is negative, tick articles instead."
8363 (setq unmark (prefix-numeric-value unmark)))
8364 (let ((articles (gnus-summary-articles-in-thread)))
8366 ;; Expand the thread.
8367 (gnus-summary-show-thread)
8368 ;; Mark all the articles.
8370 (gnus-summary-goto-subject (car articles))
8371 (cond ((null unmark)
8372 (gnus-summary-mark-article-as-read gnus-killed-mark))
8374 (gnus-summary-mark-article-as-unread gnus-unread-mark))
8376 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
8377 (setq articles (cdr articles))))
8378 ;; Hide killed subtrees.
8380 gnus-thread-hide-killed
8381 (gnus-summary-hide-thread))
8382 ;; If marked as read, go to next unread subject.
8384 ;; Go to next unread subject.
8385 (gnus-summary-next-subject 1 t)))
8386 (gnus-set-mode-line 'summary))
8388 ;; Summary sorting commands
8390 (defun gnus-summary-sort-by-number (&optional reverse)
8391 "Sort the summary buffer by article number.
8392 Argument REVERSE means reverse order."
8394 (gnus-summary-sort 'number reverse))
8396 (defun gnus-summary-sort-by-author (&optional reverse)
8397 "Sort the summary buffer by author name alphabetically.
8398 If case-fold-search is non-nil, case of letters is ignored.
8399 Argument REVERSE means reverse order."
8401 (gnus-summary-sort 'author reverse))
8403 (defun gnus-summary-sort-by-subject (&optional reverse)
8404 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
8405 If case-fold-search is non-nil, case of letters is ignored.
8406 Argument REVERSE means reverse order."
8408 (gnus-summary-sort 'subject reverse))
8410 (defun gnus-summary-sort-by-date (&optional reverse)
8411 "Sort the summary buffer by date.
8412 Argument REVERSE means reverse order."
8414 (gnus-summary-sort 'date reverse))
8416 (defun gnus-summary-sort-by-score (&optional reverse)
8417 "Sort the summary buffer by score.
8418 Argument REVERSE means reverse order."
8420 (gnus-summary-sort 'score reverse))
8422 (defun gnus-summary-sort-by-lines (&optional reverse)
8423 "Sort the summary buffer by article length.
8424 Argument REVERSE means reverse order."
8426 (gnus-summary-sort 'lines reverse))
8428 (defun gnus-summary-sort (predicate reverse)
8429 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
8430 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
8431 (article (intern (format "gnus-article-sort-by-%s" predicate)))
8432 (gnus-thread-sort-functions
8438 (gnus-article-sort-functions
8443 (,article t2 t1)))))
8445 (gnus-summary-prepare-hook nil))
8446 ;; We do the sorting by regenerating the threads.
8447 (gnus-summary-prepare)
8448 ;; Hide subthreads if needed.
8449 (when (and gnus-show-threads gnus-thread-hide-subtree)
8450 (gnus-summary-hide-all-threads))))
8452 ;; Summary saving commands.
8454 (defun gnus-summary-save-article (&optional n not-saved)
8455 "Save the current article using the default saver function.
8456 If N is a positive number, save the N next articles.
8457 If N is a negative number, save the N previous articles.
8458 If N is nil and any articles have been marked with the process mark,
8459 save those articles instead.
8460 The variable `gnus-default-article-saver' specifies the saver function."
8462 (let* ((articles (gnus-summary-work-articles n))
8463 (save-buffer (save-excursion
8464 (nnheader-set-temp-buffer " *Gnus Save*")))
8465 (num (length articles))
8466 header article file)
8468 (setq header (gnus-summary-article-header
8469 (setq article (pop articles))))
8470 (if (not (vectorp header))
8471 ;; This is a pseudo-article.
8472 (if (assq 'name header)
8473 (gnus-copy-file (cdr (assq 'name header)))
8474 (gnus-message 1 "Article %d is unsaveable" article))
8475 ;; This is a real article.
8476 (save-window-excursion
8477 (gnus-summary-select-article t nil nil article))
8479 (set-buffer save-buffer)
8481 (insert-buffer-substring gnus-original-article-buffer))
8482 (setq file (gnus-article-save save-buffer file num))
8483 (gnus-summary-remove-process-mark article)
8485 (gnus-summary-set-saved-mark article))))
8486 (gnus-kill-buffer save-buffer)
8487 (gnus-summary-position-point)
8488 (gnus-set-mode-line 'summary)
8491 (defun gnus-summary-pipe-output (&optional arg)
8492 "Pipe the current article to a subprocess.
8493 If N is a positive number, pipe the N next articles.
8494 If N is a negative number, pipe the N previous articles.
8495 If N is nil and any articles have been marked with the process mark,
8496 pipe those articles instead."
8498 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe))
8499 (gnus-summary-save-article arg t))
8500 (gnus-configure-windows 'pipe))
8502 (defun gnus-summary-save-article-mail (&optional arg)
8503 "Append the current article to an mail file.
8504 If N is a positive number, save the N next articles.
8505 If N is a negative number, save the N previous articles.
8506 If N is nil and any articles have been marked with the process mark,
8507 save those articles instead."
8509 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
8510 (gnus-summary-save-article arg)))
8512 (defun gnus-summary-save-article-rmail (&optional arg)
8513 "Append the current article to an rmail file.
8514 If N is a positive number, save the N next articles.
8515 If N is a negative number, save the N previous articles.
8516 If N is nil and any articles have been marked with the process mark,
8517 save those articles instead."
8519 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
8520 (gnus-summary-save-article arg)))
8522 (defun gnus-summary-save-article-file (&optional arg)
8523 "Append the current article to a file.
8524 If N is a positive number, save the N next articles.
8525 If N is a negative number, save the N previous articles.
8526 If N is nil and any articles have been marked with the process mark,
8527 save those articles instead."
8529 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
8530 (gnus-summary-save-article arg)))
8532 (defun gnus-summary-write-article-file (&optional arg)
8533 "Write the current article to a file, deleting the previous file.
8534 If N is a positive number, save the N next articles.
8535 If N is a negative number, save the N previous articles.
8536 If N is nil and any articles have been marked with the process mark,
8537 save those articles instead."
8539 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
8540 (gnus-summary-save-article arg)))
8542 (defun gnus-summary-save-article-body-file (&optional arg)
8543 "Append the current article body to a file.
8544 If N is a positive number, save the N next articles.
8545 If N is a negative number, save the N previous articles.
8546 If N is nil and any articles have been marked with the process mark,
8547 save those articles instead."
8549 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
8550 (gnus-summary-save-article arg)))
8552 (defun gnus-summary-pipe-message (program)
8553 "Pipe the current article through PROGRAM."
8554 (interactive "sProgram: ")
8555 (gnus-summary-select-article)
8556 (let ((mail-header-separator "")
8557 (art-buf (get-buffer gnus-article-buffer)))
8558 (gnus-eval-in-buffer-window gnus-article-buffer
8561 (let ((start (window-start))
8563 (message-pipe-buffer-body program)
8564 (set-window-start (get-buffer-window (current-buffer)) start))))))
8566 (defun gnus-get-split-value (methods)
8567 "Return a value based on the split METHODS."
8568 (let (split-name method result match)
8571 (set-buffer gnus-original-article-buffer)
8573 (nnheader-narrow-to-headers)
8575 (goto-char (point-min))
8576 (setq method (pop methods))
8577 (setq match (car method))
8580 ;; Regular expression.
8582 (re-search-forward match nil t)))
8583 ((gnus-functionp match)
8587 (setq result (funcall match gnus-newsgroup-name))))
8592 (setq result (eval match)))))
8593 (setq split-name (append (cdr method) split-name))
8594 (cond ((stringp result)
8595 (push (expand-file-name
8596 result gnus-article-save-directory)
8599 (setq split-name (append result split-name)))))))))
8602 (defun gnus-valid-move-group-p (group)
8607 (car (gnus-find-method-for-group
8608 (symbol-name group))))
8609 gnus-valid-select-methods))))
8611 (defun gnus-read-move-group-name (prompt default articles prefix)
8612 "Read a group name."
8613 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
8614 (minibuffer-confirm-incomplete nil) ; XEmacs
8618 (if (> (length articles) 1)
8619 (format "these %d articles" (length articles))
8624 (gnus-completing-read default prom
8626 'gnus-valid-move-group-p
8628 'gnus-group-history))
8629 ((= 1 (length split-name))
8630 (gnus-completing-read (car split-name) prom
8632 'gnus-valid-move-group-p
8634 'gnus-group-history))
8636 (gnus-completing-read nil prom
8637 (mapcar (lambda (el) (list el))
8638 (nreverse split-name))
8640 'gnus-group-history)))))
8642 (if (or (string= to-newsgroup "")
8643 (string= to-newsgroup prefix))
8644 (setq to-newsgroup default))
8645 (unless to-newsgroup
8646 (error "No group name entered"))
8647 (or (gnus-active to-newsgroup)
8648 (gnus-activate-group to-newsgroup)
8649 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
8651 (or (and (gnus-request-create-group
8652 to-newsgroup (gnus-group-name-to-method to-newsgroup))
8653 (gnus-activate-group to-newsgroup nil nil
8654 (gnus-group-name-to-method
8656 (error "Couldn't create group %s" to-newsgroup)))
8657 (error "No such group: %s" to-newsgroup)))
8660 ;; Summary extract commands
8662 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
8663 (let ((buffer-read-only nil)
8664 (article (gnus-summary-article-number))
8666 (unless (gnus-summary-goto-subject article)
8667 (error "No such article: %d" article))
8668 (gnus-summary-position-point)
8669 ;; If all commands are to be bunched up on one line, we collect
8671 (unless gnus-view-pseudos-separately
8672 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
8675 (setq action (cdr (assq 'action (car ps))))
8676 (setq files (list (cdr (assq 'name (car ps)))))
8677 (while (and ps (cdr ps)
8678 (string= (or action "1")
8679 (or (cdr (assq 'action (cadr ps))) "2")))
8680 (push (cdr (assq 'name (cadr ps))) files)
8681 (setcdr ps (cddr ps)))
8683 (when (not (string-match "%s" action))
8686 (when (assq 'execute (car ps))
8687 (setcdr (assq 'execute (car ps))
8688 (funcall (if (string-match "%s" action)
8695 (gnus-quote-arg-for-sh-or-csh f)))
8697 (setq ps (cdr ps)))))
8698 (if (and gnus-view-pseudos (not not-view))
8700 (when (assq 'execute (car pslist))
8701 (gnus-execute-command (cdr (assq 'execute (car pslist)))
8702 (eq gnus-view-pseudos 'not-confirm)))
8703 (setq pslist (cdr pslist)))
8706 (setq after-article (or (cdr (assq 'article (car pslist)))
8707 (gnus-summary-article-number)))
8708 (gnus-summary-goto-subject after-article)
8711 (insert " " (file-name-nondirectory
8712 (cdr (assq 'name (car pslist))))
8713 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
8715 (forward-line -1) ; back to `b'
8716 (gnus-add-text-properties
8717 b (1- e) (list 'gnus-number gnus-reffed-article-number
8718 gnus-mouse-face-prop gnus-mouse-face))
8720 after-article gnus-reffed-article-number
8721 gnus-unread-mark b (car pslist) 0 (- e b))
8722 (push gnus-reffed-article-number gnus-newsgroup-unreads)
8723 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
8724 (setq pslist (cdr pslist)))))))
8726 (defun gnus-pseudos< (p1 p2)
8727 (let ((c1 (cdr (assq 'action p1)))
8728 (c2 (cdr (assq 'action p2))))
8729 (and c1 c2 (string< c1 c2))))
8731 (defun gnus-request-pseudo-article (props)
8732 (cond ((assq 'execute props)
8733 (gnus-execute-command (cdr (assq 'execute props)))))
8734 (let ((gnus-current-article (gnus-summary-article-number)))
8735 (gnus-run-hooks 'gnus-mark-article-hook)))
8737 (defun gnus-execute-command (command &optional automatic)
8739 (gnus-article-setup-buffer)
8740 (set-buffer gnus-article-buffer)
8741 (setq buffer-read-only nil)
8742 (let ((command (if automatic command
8743 (read-string "Command: " (cons command 0)))))
8745 (insert "$ " command "\n\n")
8746 (if gnus-view-pseudo-asynchronously
8747 (start-process "gnus-execute" (current-buffer) shell-file-name
8748 shell-command-switch command)
8749 (call-process shell-file-name nil t nil
8750 shell-command-switch command)))))
8752 ;; Summary kill commands.
8754 (defun gnus-summary-edit-global-kill (article)
8755 "Edit the \"global\" kill file."
8756 (interactive (list (gnus-summary-article-number)))
8757 (gnus-group-edit-global-kill article))
8759 (defun gnus-summary-edit-local-kill ()
8760 "Edit a local kill file applied to the current newsgroup."
8762 (setq gnus-current-headers (gnus-summary-article-header))
8763 (gnus-group-edit-local-kill
8764 (gnus-summary-article-number) gnus-newsgroup-name))
8768 (defun gnus-read-header (id &optional header)
8769 "Read the headers of article ID and enter them into the Gnus system."
8770 (let ((group gnus-newsgroup-name)
8771 (gnus-override-method
8772 (and (gnus-news-group-p gnus-newsgroup-name)
8773 gnus-refer-article-method))
8775 ;; First we check to see whether the header in question is already
8778 ;; This is a Message-ID.
8779 (setq header (or header (gnus-id-to-header id)))
8780 ;; This is an article number.
8781 (setq header (or header (gnus-summary-article-header id))))
8783 (not (gnus-summary-article-sparse-p (mail-header-number header))))
8784 ;; We have found the header.
8786 ;; If this is a sparse article, we have to nix out its
8787 ;; previous entry in the thread hashtb.
8789 (gnus-summary-article-sparse-p (mail-header-number header)))
8790 (let* ((parent (gnus-parent-id (mail-header-references header)))
8791 (thread (and parent (gnus-id-to-thread parent))))
8793 (delq (assq header thread) thread))))
8794 ;; We have to really fetch the header to this article.
8796 (set-buffer nntp-server-buffer)
8797 (when (setq where (gnus-request-head id group))
8798 (nnheader-fold-continuation-lines)
8799 (goto-char (point-max))
8801 (goto-char (point-min))
8805 ((cdr where) (cdr where))
8806 (header (mail-header-number header))
8807 (t gnus-reffed-article-number))
8809 (insert " Article retrieved.\n"))
8811 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
8812 () ; Malformed head.
8813 (unless (gnus-summary-article-sparse-p (mail-header-number header))
8814 (when (and (stringp id)
8815 (not (string= (gnus-group-real-name group)
8817 ;; If we fetched by Message-ID and the article came
8818 ;; from a different group, we fudge some bogus article
8819 ;; numbers for this article.
8820 (mail-header-set-number header gnus-reffed-article-number))
8822 (set-buffer gnus-summary-buffer)
8823 (decf gnus-reffed-article-number)
8824 (gnus-remove-header (mail-header-number header))
8825 (push header gnus-newsgroup-headers)
8826 (setq gnus-current-headers header)
8827 (push (mail-header-number header) gnus-newsgroup-limit)))
8830 (defun gnus-remove-header (number)
8831 "Remove header NUMBER from `gnus-newsgroup-headers'."
8832 (if (and gnus-newsgroup-headers
8833 (= number (mail-header-number (car gnus-newsgroup-headers))))
8834 (pop gnus-newsgroup-headers)
8835 (let ((headers gnus-newsgroup-headers))
8836 (while (and (cdr headers)
8837 (not (= number (mail-header-number (cadr headers)))))
8840 (setcdr headers (cddr headers))))))
8843 ;;; summary highlights
8846 (defun gnus-highlight-selected-summary ()
8847 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
8848 ;; Highlight selected article in summary buffer
8849 (when gnus-summary-selected-face
8851 (let* ((beg (progn (beginning-of-line) (point)))
8852 (end (progn (end-of-line) (point)))
8853 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
8854 (from (if (get-text-property beg gnus-mouse-face-prop)
8856 (or (next-single-property-change
8857 beg gnus-mouse-face-prop nil end)
8862 (or (next-single-property-change
8863 from gnus-mouse-face-prop nil end)
8865 ;; If no mouse-face prop on line we will have to = from = end,
8866 ;; so we highlight the entire line instead.
8867 (when (= (+ to 2) from)
8870 (if gnus-newsgroup-selected-overlay
8871 ;; Move old overlay.
8873 gnus-newsgroup-selected-overlay from to (current-buffer))
8874 ;; Create new overlay.
8876 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
8877 'face gnus-summary-selected-face))))))
8879 ;; New implementation by Christian Limpach <Christian.Limpach@nice.ch>.
8880 (defun gnus-summary-highlight-line ()
8881 "Highlight current line according to `gnus-summary-highlight'."
8882 (let* ((list gnus-summary-highlight)
8884 (end (progn (end-of-line) (point)))
8885 ;; now find out where the line starts and leave point there.
8886 (beg (progn (beginning-of-line) (point)))
8887 (article (gnus-summary-article-number))
8888 (score (or (cdr (assq (or article gnus-current-article)
8889 gnus-newsgroup-scored))
8890 gnus-summary-default-score 0))
8891 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
8892 (inhibit-read-only t))
8893 ;; Eval the cars of the lists until we find a match.
8894 (let ((default gnus-summary-default-score))
8896 (not (eval (caar list))))
8897 (setq list (cdr list))))
8898 (let ((face (cdar list)))
8899 (unless (eq face (get-text-property beg 'face))
8900 (gnus-put-text-property-excluding-characters-with-faces
8902 (setq face (if (boundp face) (symbol-value face) face)))
8903 (when gnus-summary-highlight-line-function
8904 (funcall gnus-summary-highlight-line-function article face))))
8907 (defun gnus-update-read-articles (group unread &optional compute)
8908 "Update the list of read articles in GROUP."
8909 (let* ((active (or gnus-newsgroup-active (gnus-active group)))
8910 (entry (gnus-gethash group gnus-newsrc-hashtb))
8911 (info (nth 2 entry))
8913 (unread (sort (copy-sequence unread) '<))
8915 (if (or (not info) (not active))
8916 ;; There is no info on this group if it was, in fact,
8917 ;; killed. Gnus stores no information on killed groups, so
8918 ;; there's nothing to be done.
8919 ;; One could store the information somewhere temporarily,
8920 ;; perhaps... Hmmm...
8922 ;; Remove any negative articles numbers.
8923 (while (and unread (< (car unread) 0))
8924 (setq unread (cdr unread)))
8925 ;; Remove any expired article numbers
8926 (while (and unread (< (car unread) (car active)))
8927 (setq unread (cdr unread)))
8928 ;; Compute the ranges of read articles by looking at the list of
8931 (when (/= (car unread) prev)
8932 (push (if (= prev (1- (car unread))) prev
8933 (cons prev (1- (car unread))))
8935 (setq prev (1+ (car unread)))
8936 (setq unread (cdr unread)))
8937 (when (<= prev (cdr active))
8938 (push (cons prev (cdr active)) read))
8940 (if (> (length read) 1) (nreverse read) read)
8942 (set-buffer gnus-group-buffer)
8945 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
8946 (gnus-info-set-read ',info ',(gnus-info-read info))
8947 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
8948 (gnus-group-update-group ,group t))))
8949 ;; Enter this list into the group info.
8951 info (if (> (length read) 1) (nreverse read) read))
8952 ;; Set the number of unread articles in gnus-newsrc-hashtb.
8953 (gnus-get-unread-articles-in-group info (gnus-active group))
8956 (defun gnus-offer-save-summaries ()
8957 "Offer to save all active summary buffers."
8959 (let ((buflist (buffer-list))
8961 ;; Go through all buffers and find all summaries.
8963 (and (setq bufname (buffer-name (car buflist)))
8964 (string-match "Summary" bufname)
8966 (set-buffer bufname)
8967 ;; We check that this is, indeed, a summary buffer.
8968 (and (eq major-mode 'gnus-summary-mode)
8969 ;; Also make sure this isn't bogus.
8970 gnus-newsgroup-prepared
8971 ;; Also make sure that this isn't a dead summary buffer.
8972 (not gnus-dead-summary-mode)))
8973 (push bufname buffers))
8974 (setq buflist (cdr buflist)))
8975 ;; Go through all these summary buffers and offer to save them.
8978 "Update summary buffer %s? "
8980 (switch-to-buffer buf)
8981 (gnus-summary-exit))
8985 ;;; @ for mime-partial
8988 (defun gnus-request-partial-message ()
8990 (let ((number (gnus-summary-article-number))
8991 (group gnus-newsgroup-name)
8992 (mother gnus-article-buffer))
8993 (set-buffer (get-buffer-create " *Partial Article*"))
8995 (setq mime-preview-buffer mother)
8996 (gnus-request-article-this-buffer number group)
9000 (autoload 'mime-combine-message/partial-pieces-automatically
9002 "Internal method to combine message/partial messages automatically.")
9005 'action '((type . message)(subtype . partial)
9006 (major-mode . gnus-original-article-mode)
9007 (method . mime-combine-message/partial-pieces-automatically)
9008 (summary-buffer-exp . gnus-summary-buffer)
9009 (request-partial-message-method . gnus-request-partial-message)
9020 (run-hooks 'gnus-sum-load-hook)
9022 ;;; gnus-sum.el ends here