1 ;;; gnus.el --- a newsreader for GNU Emacs
2 ;; Copyright (C) 1987,88,89,90,93,94,95,96 Free Software Foundation, Inc.
4 ;; Author: Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
5 ;; Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
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
22 ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
28 (eval '(run-hooks 'gnus-load-hook))
34 (eval-when-compile (require 'cl))
36 ;; Site dependent variables. These variables should be defined in
39 (defvar gnus-default-nntp-server nil
40 "Specify a default NNTP server.
41 This variable should be defined in paths.el, and should never be set
43 If you want to change servers, you should use `gnus-select-method'.
44 See the documentation to that variable.")
46 (defvar gnus-backup-default-subscribed-newsgroups
47 '("news.announce.newusers" "news.groups.questions" "gnu.emacs.gnus")
48 "Default default new newsgroups the first time Gnus is run.
49 Should be set in paths.el, and shouldn't be touched by the user.")
51 (defvar gnus-local-domain nil
52 "Local domain name without a host name.
53 The DOMAINNAME environment variable is used instead if it is defined.
54 If the `system-name' function returns the full Internet name, there is
55 no need to set this variable.")
57 (defvar gnus-local-organization nil
58 "String with a description of what organization (if any) the user belongs to.
59 The ORGANIZATION environment variable is used instead if it is defined.
60 If this variable contains a function, this function will be called
61 with the current newsgroup name as the argument. The function should
64 In any case, if the string (either in the variable, in the environment
65 variable, or returned by the function) is a file name, the contents of
66 this file will be used as the organization.")
68 (defvar gnus-use-generic-from nil
69 "If nil, the full host name will be the system name prepended to the domain name.
70 If this is a string, the full host name will be this string.
71 If this is non-nil, non-string, the domain name will be used as the
74 (defvar gnus-use-generic-path nil
75 "If nil, use the NNTP server name in the Path header.
76 If stringp, use this; if non-nil, use no host name (user name only).")
78 ;; Customization variables
80 ;; Don't touch this variable.
81 (defvar gnus-nntp-service "nntp"
82 "*NNTP service name (\"nntp\" or 119).
83 This is an obsolete variable, which is scarcely used. If you use an
84 nntp server for your newsgroup and want to change the port number
85 used to 899, you would say something along these lines:
87 (setq gnus-select-method '(nntp \"my.nntp.server\" (nntp-port-number 899)))")
89 (defvar gnus-nntpserver-file "/etc/nntpserver"
90 "*A file with only the name of the nntp server in it.")
92 ;; This function is used to check both the environment variable
93 ;; NNTPSERVER and the /etc/nntpserver file to see whether one can find
94 ;; an nntp server name default.
95 (defun gnus-getenv-nntpserver ()
96 (or (getenv "NNTPSERVER")
97 (and (file-readable-p gnus-nntpserver-file)
99 (set-buffer (get-buffer-create " *gnus nntp*"))
100 (buffer-disable-undo (current-buffer))
101 (insert-file-contents gnus-nntpserver-file)
102 (let ((name (buffer-string)))
104 (if (string-match "^[ \t\n]*$" name)
107 (kill-buffer (current-buffer))))))))
109 (defvar gnus-select-method
111 (list 'nntp (or (condition-case ()
112 (gnus-getenv-nntpserver)
114 (if (and gnus-default-nntp-server
115 (not (string= gnus-default-nntp-server "")))
116 gnus-default-nntp-server)
118 (if (or (null gnus-nntp-service)
119 (equal gnus-nntp-service "nntp"))
121 (list gnus-nntp-service)))
122 "*Default method for selecting a newsgroup.
123 This variable should be a list, where the first element is how the
124 news is to be fetched, the second is the address.
126 For instance, if you want to get your news via NNTP from
127 \"flab.flab.edu\", you could say:
129 (setq gnus-select-method '(nntp \"flab.flab.edu\"))
131 If you want to use your local spool, say:
133 (setq gnus-select-method (list 'nnspool (system-name)))
135 If you use this variable, you must set `gnus-nntp-server' to nil.
137 There is a lot more to know about select methods and virtual servers -
138 see the manual for details.")
140 (defvar gnus-message-archive-method
141 '(nnfolder "archive" (nnfolder-directory "~/Mail/archive/")
142 (nnfolder-active-file "~/Mail/archive/active")
143 (nnfolder-get-new-mail nil)
144 (nnfolder-inhibit-expiry t))
145 "*Method used for archiving messages you've sent.
146 This should be a mail method.")
148 (defvar gnus-refer-article-method nil
149 "*Preferred method for fetching an article by Message-ID.
150 If you are reading news from the local spool (with nnspool), fetching
151 articles by Message-ID is painfully slow. By setting this method to an
152 nntp method, you might get acceptable results.
154 The value of this variable must be a valid select method as discussed
155 in the documentation of `gnus-select-method'.")
157 (defvar gnus-secondary-select-methods nil
158 "*A list of secondary methods that will be used for reading news.
159 This is a list where each element is a complete select method (see
160 `gnus-select-method').
162 If, for instance, you want to read your mail with the nnml backend,
163 you could set this variable:
165 (setq gnus-secondary-select-methods '((nnml \"\")))")
167 (defvar gnus-secondary-servers nil
168 "*List of NNTP servers that the user can choose between interactively.
169 To make Gnus query you for a server, you have to give `gnus' a
170 non-numeric prefix - `C-u M-x gnus', in short.")
172 (defvar gnus-nntp-server nil
173 "*The name of the host running the NNTP server.
174 This variable is semi-obsolete. Use the `gnus-select-method'
177 (defvar gnus-startup-file "~/.newsrc"
178 "*Your `.newsrc' file.
179 `.newsrc-SERVER' will be used instead if that exists.")
181 (defvar gnus-init-file "~/.gnus"
182 "*Your Gnus elisp startup file.
183 If a file with the .el or .elc suffixes exist, it will be read
186 (defvar gnus-group-faq-directory
187 '("/ftp@mirrors.aol.com:/pub/rtfm/usenet/"
188 "/ftp@src.doc.ic.ac.uk:/usenet/news-FAQS/"
189 "/ftp@ftp.seas.gwu.edu:/pub/rtfm/"
190 "/ftp@rtfm.mit.edu:/pub/usenet/news.answers/"
191 "/ftp@ftp.uni-paderborn.de:/pub/FAQ/"
192 "/ftp@ftp.sunet.se:/pub/usenet/"
193 "/ftp@nctuccca.edu.tw:/USENET/FAQ/"
194 "/ftp@hwarang.postech.ac.kr:/pub/usenet/news.answers/"
195 "/ftp@ftp.hk.super.net:/mirror/faqs/")
196 "*Directory where the group FAQs are stored.
197 This will most commonly be on a remote machine, and the file will be
200 This variable can also be a list of directories. In that case, the
201 first element in the list will be used by default, and the others will
202 be used as backup sites.
204 Note that Gnus uses an aol machine as the default directory. If this
205 feels fundamentally unclean, just think of it as a way to finally get
206 something of value back from them.
208 If the default site is too slow, try one of these:
210 North America: mirrors.aol.com /pub/rtfm/usenet
211 ftp.seas.gwu.edu /pub/rtfm
212 rtfm.mit.edu /pub/usenet/news.answers
213 Europe: ftp.uni-paderborn.de /pub/FAQ
214 src.doc.ic.ac.uk /usenet/news-FAQS
215 ftp.sunet.se /pub/usenet
216 Asia: nctuccca.edu.tw /USENET/FAQ
217 hwarang.postech.ac.kr /pub/usenet/news.answers
218 ftp.hk.super.net /mirror/faqs")
220 (defvar gnus-group-archive-directory
221 "/ftp@ftp.hpc.uh.edu:/pub/emacs/ding-list/"
222 "*The address of the (ding) archives.")
224 (defvar gnus-group-recent-archive-directory
225 "/ftp@ftp.hpc.uh.edu:/pub/emacs/ding-list-recent/"
226 "*The address of the most recent (ding) articles.")
228 (defvar gnus-default-subscribed-newsgroups nil
229 "*This variable lists what newsgroups should be subscribed the first time Gnus is used.
230 It should be a list of strings.
231 If it is `t', Gnus will not do anything special the first time it is
232 started; it'll just use the normal newsgroups subscription methods.")
234 (defvar gnus-use-cross-reference t
235 "*Non-nil means that cross referenced articles will be marked as read.
236 If nil, ignore cross references. If t, mark articles as read in
237 subscribed newsgroups. If neither t nor nil, mark as read in all
240 (defvar gnus-single-article-buffer t
241 "*If non-nil, display all articles in the same buffer.
242 If nil, each group will get its own article buffer.")
244 (defvar gnus-use-dribble-file t
245 "*Non-nil means that Gnus will use a dribble file to store user updates.
246 If Emacs should crash without saving the .newsrc files, complete
247 information can be restored from the dribble file.")
249 (defvar gnus-dribble-directory nil
250 "*The directory where dribble files will be saved.
251 If this variable is nil, the directory where the .newsrc files are
252 saved will be used.")
254 (defvar gnus-asynchronous nil
255 "*If non-nil, Gnus will supply backends with data needed for async article fetching.")
257 (defvar gnus-kill-summary-on-exit t
258 "*If non-nil, kill the summary buffer when you exit from it.
259 If nil, the summary will become a \"*Dead Summary*\" buffer, and
260 it will be killed sometime later.")
262 (defvar gnus-large-newsgroup 200
263 "*The number of articles which indicates a large newsgroup.
264 If the number of articles in a newsgroup is greater than this value,
265 confirmation is required for selecting the newsgroup.")
267 ;; Suggested by Andrew Eskilsson <pi92ae@lelle.pt.hk-r.se>.
268 (defvar gnus-no-groups-message "No news is horrible news"
269 "*Message displayed by Gnus when no groups are available.")
271 (defvar gnus-use-long-file-name (not (memq system-type '(usg-unix-v xenix)))
272 "*Non-nil means that the default name of a file to save articles in is the group name.
273 If it's nil, the directory form of the group name is used instead.
275 If this variable is a list, and the list contains the element
276 `not-score', long file names will not be used for score files; if it
277 contains the element `not-save', long file names will not be used for
278 saving; and if it contains the element `not-kill', long file names
279 will not be used for kill files.")
281 (defvar gnus-article-save-directory (or (getenv "SAVEDIR") "~/News/")
282 "*Name of the directory articles will be saved in (default \"~/News\").
283 Initialized from the SAVEDIR environment variable.")
285 (defvar gnus-kill-files-directory (or (getenv "SAVEDIR") "~/News/")
286 "*Name of the directory where kill files will be stored (default \"~/News\").
287 Initialized from the SAVEDIR environment variable.")
289 (defvar gnus-default-article-saver 'gnus-summary-save-in-rmail
290 "*A function to save articles in your favorite format.
291 The function must be interactively callable (in other words, it must
292 be an Emacs command).
294 Gnus provides the following functions:
296 * gnus-summary-save-in-rmail (Rmail format)
297 * gnus-summary-save-in-mail (Unix mail format)
298 * gnus-summary-save-in-folder (MH folder)
299 * gnus-summary-save-in-file (article format).
300 * gnus-summary-save-in-vm (use VM's folder format).")
302 (defvar gnus-prompt-before-saving 'always
303 "*This variable says how much prompting is to be done when saving articles.
304 If it is nil, no prompting will be done, and the articles will be
305 saved to the default files. If this variable is `always', each and
306 every article that is saved will be preceded by a prompt, even when
307 saving large batches of articles. If this variable is neither nil not
308 `always', there the user will be prompted once for a file name for
309 each invocation of the saving commands.")
311 (defvar gnus-rmail-save-name (function gnus-plain-save-name)
312 "*A function generating a file name to save articles in Rmail format.
313 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE.")
315 (defvar gnus-mail-save-name (function gnus-plain-save-name)
316 "*A function generating a file name to save articles in Unix mail format.
317 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE.")
319 (defvar gnus-folder-save-name (function gnus-folder-save-name)
320 "*A function generating a file name to save articles in MH folder.
321 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER.")
323 (defvar gnus-file-save-name (function gnus-numeric-save-name)
324 "*A function generating a file name to save articles in article format.
325 The function is called with NEWSGROUP, HEADERS, and optional
328 (defvar gnus-split-methods
329 '((gnus-article-archive-name))
330 "*Variable used to suggest where articles are to be saved.
331 For instance, if you would like to save articles related to Gnus in
332 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
333 you could set this variable to something like:
335 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
336 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
338 This variable is an alist where the where the key is the match and the
339 value is a list of possible files to save in if the match is non-nil.
341 If the match is a string, it is used as a regexp match on the
342 article. If the match is a symbol, that symbol will be funcalled
343 from the buffer of the article to be saved with the newsgroup as the
344 parameter. If it is a list, it will be evaled in the same buffer.
346 If this form or function returns a string, this string will be used as
347 a possible file name; and if it returns a non-nil list, that list will
348 be used as possible file names.")
350 (defvar gnus-move-split-methods nil
351 "*Variable used to suggest where articles are to be moved to.
352 It uses the same syntax as the `gnus-split-methods' variable.")
354 (defvar gnus-save-score nil
355 "*If non-nil, save group scoring info.")
357 (defvar gnus-use-adaptive-scoring nil
358 "*If non-nil, use some adaptive scoring scheme.")
360 (defvar gnus-use-cache nil
361 "*If nil, Gnus will ignore the article cache.
362 If `passive', it will allow entering (and reading) articles
363 explicitly entered into the cache. If anything else, use the
364 cache to the full extent of the law.")
366 (defvar gnus-use-trees nil
367 "*If non-nil, display a thread tree buffer.")
369 (defvar gnus-use-grouplens nil
370 "*If non-nil, use GroupLens ratings.")
372 (defvar gnus-keep-backlog nil
373 "*If non-nil, Gnus will keep read articles for later re-retrieval.
374 If it is a number N, then Gnus will only keep the last N articles
375 read. If it is neither nil nor a number, Gnus will keep all read
376 articles. This is not a good idea.")
378 (defvar gnus-use-nocem nil
379 "*If non-nil, Gnus will read NoCeM cancel messages.")
381 (defvar gnus-use-demon nil
382 "If non-nil, Gnus might use some demons.")
384 (defvar gnus-use-scoring t
385 "*If non-nil, enable scoring.")
387 (defvar gnus-use-picons nil
388 "*If non-nil, display picons.")
390 (defvar gnus-fetch-old-headers nil
391 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
392 If an unread article in the group refers to an older, already read (or
393 just marked as read) article, the old article will not normally be
394 displayed in the Summary buffer. If this variable is non-nil, Gnus
395 will attempt to grab the headers to the old articles, and thereby
396 build complete threads. If it has the value `some', only enough
397 headers to connect otherwise loose threads will be displayed.
398 This variable can also be a number. In that case, no more than that
399 number of old headers will be fetched.
401 The server has to support NOV for any of this to work.")
404 ;(defvar gnus-visual t
405 ; "*If non-nil, will do various highlighting.
406 ;If nil, no mouse highlights (or any other highlights) will be
407 ;performed. This might speed up Gnus some when generating large group
408 ;and summary buffers.")
410 (defvar gnus-novice-user t
411 "*Non-nil means that you are a usenet novice.
412 If non-nil, verbose messages may be displayed and confirmations may be
415 (defvar gnus-expert-user nil
416 "*Non-nil means that you will never be asked for confirmation about anything.
417 And that means *anything*.")
419 (defvar gnus-verbose 7
420 "*Integer that says how verbose Gnus should be.
421 The higher the number, the more messages Gnus will flash to say what
422 it's doing. At zero, Gnus will be totally mute; at five, Gnus will
423 display most important messages; and at ten, Gnus will keep on
424 jabbering all the time.")
426 (defvar gnus-keep-same-level nil
427 "*Non-nil means that the next newsgroup after the current will be on the same level.
428 When you type, for instance, `n' after reading the last article in the
429 current newsgroup, you will go to the next newsgroup. If this variable
430 is nil, the next newsgroup will be the next from the group
432 If this variable is non-nil, Gnus will either put you in the
433 next newsgroup with the same level, or, if no such newsgroup is
434 available, the next newsgroup with the lowest possible level higher
435 than the current level.
436 If this variable is `best', Gnus will make the next newsgroup the one
437 with the best level.")
439 (defvar gnus-summary-make-false-root 'adopt
440 "*nil means that Gnus won't gather loose threads.
441 If the root of a thread has expired or been read in a previous
442 session, the information necessary to build a complete thread has been
443 lost. Instead of having many small sub-threads from this original thread
444 scattered all over the summary buffer, Gnus can gather them.
446 If non-nil, Gnus will try to gather all loose sub-threads from an
447 original thread into one large thread.
449 If this variable is non-nil, it should be one of `none', `adopt',
452 If this variable is `none', Gnus will not make a false root, but just
453 present the sub-threads after another.
454 If this variable is `dummy', Gnus will create a dummy root that will
455 have all the sub-threads as children.
456 If this variable is `adopt', Gnus will make one of the \"children\"
457 the parent and mark all the step-children as such.
458 If this variable is `empty', the \"children\" are printed with empty
459 subject fields. (Or rather, they will be printed with a string
460 given by the `gnus-summary-same-subject' variable.)")
462 (defvar gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
463 "*A regexp to match subjects to be excluded from loose thread gathering.
464 As loose thread gathering is done on subjects only, that means that
465 there can be many false gatherings performed. By rooting out certain
466 common subjects, gathering might become saner.")
468 (defvar gnus-summary-gather-subject-limit nil
469 "*Maximum length of subject comparisons when gathering loose threads.
470 Use nil to compare full subjects. Setting this variable to a low
471 number will help gather threads that have been corrupted by
472 newsreaders chopping off subject lines, but it might also mean that
473 unrelated articles that have subject that happen to begin with the
474 same few characters will be incorrectly gathered.
476 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
477 comparing subjects.")
479 (defvar gnus-simplify-ignored-prefixes nil
480 "*Regexp, matches for which are removed from subject lines when simplifying.")
482 (defvar gnus-build-sparse-threads nil
483 "*If non-nil, fill in the gaps in threads.
484 If `some', only fill in the gaps that are needed to tie loose threads
485 together. If `more', fill in all leaf nodes that Gnus can find. If
486 non-nil and non-`some', fill in all gaps that Gnus manages to guess.")
488 (defvar gnus-summary-thread-gathering-function 'gnus-gather-threads-by-subject
489 "Function used for gathering loose threads.
490 There are two pre-defined functions: `gnus-gather-threads-by-subject',
491 which only takes Subjects into consideration; and
492 `gnus-gather-threads-by-references', which compared the References
493 headers of the articles to find matches.")
495 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
496 (defvar gnus-summary-same-subject ""
497 "*String indicating that the current article has the same subject as the previous.
498 This variable will only be used if the value of
499 `gnus-summary-make-false-root' is `empty'.")
501 (defvar gnus-summary-goto-unread t
502 "*If non-nil, marking commands will go to the next unread article.
503 If `never', \\<gnus-summary-mode-map>\\[gnus-summary-next-page] will go to the next article,
504 whether it is read or not.")
506 (defvar gnus-group-goto-unread t
507 "*If non-nil, movement commands will go to the next unread and subscribed group.")
509 (defvar gnus-goto-next-group-when-activating t
510 "*If non-nil, the \\<gnus-group-mode-map>\\[gnus-group-get-new-news-this-group] command will advance point to the next group.")
512 (defvar gnus-check-new-newsgroups t
513 "*Non-nil means that Gnus will add new newsgroups at startup.
514 If this variable is `ask-server', Gnus will ask the server for new
515 groups since the last time it checked. This means that the killed list
516 is no longer necessary, so you could set `gnus-save-killed-list' to
519 A variant is to have this variable be a list of select methods. Gnus
520 will then use the `ask-server' method on all these select methods to
521 query for new groups from all those servers.
524 (setq gnus-check-new-newsgroups
525 '((nntp \"some.server\") (nntp \"other.server\")))
527 If this variable is nil, then you have to tell Gnus explicitly to
528 check for new newsgroups with \\<gnus-group-mode-map>\\[gnus-find-new-newsgroups].")
530 (defvar gnus-check-bogus-newsgroups nil
531 "*Non-nil means that Gnus will check and remove bogus newsgroup at startup.
532 If this variable is nil, then you have to tell Gnus explicitly to
533 check for bogus newsgroups with \\<gnus-group-mode-map>\\[gnus-group-check-bogus-groups].")
535 (defvar gnus-read-active-file t
536 "*Non-nil means that Gnus will read the entire active file at startup.
537 If this variable is nil, Gnus will only know about the groups in your
540 If this variable is `some', Gnus will try to only read the relevant
541 parts of the active file from the server. Not all servers support
542 this, and it might be quite slow with other servers, but this should
543 generally be faster than both the t and nil value.
545 If you set this variable to nil or `some', you probably still want to
546 be told about new newsgroups that arrive. To do that, set
547 `gnus-check-new-newsgroups' to `ask-server'. This may not work
548 properly with all servers.")
550 (defvar gnus-level-subscribed 5
551 "*Groups with levels less than or equal to this variable are subscribed.")
553 (defvar gnus-level-unsubscribed 7
554 "*Groups with levels less than or equal to this variable are unsubscribed.
555 Groups with levels less than `gnus-level-subscribed', which should be
556 less than this variable, are subscribed.")
558 (defvar gnus-level-zombie 8
559 "*Groups with this level are zombie groups.")
561 (defvar gnus-level-killed 9
562 "*Groups with this level are killed.")
564 (defvar gnus-level-default-subscribed 3
565 "*New subscribed groups will be subscribed at this level.")
567 (defvar gnus-level-default-unsubscribed 6
568 "*New unsubscribed groups will be unsubscribed at this level.")
570 (defvar gnus-activate-level (1+ gnus-level-subscribed)
571 "*Groups higher than this level won't be activated on startup.
572 Setting this variable to something log might save lots of time when
573 you have many groups that you aren't interested in.")
575 (defvar gnus-activate-foreign-newsgroups 4
576 "*If nil, Gnus will not check foreign newsgroups at startup.
577 If it is non-nil, it should be a number between one and nine. Foreign
578 newsgroups that have a level lower or equal to this number will be
579 activated on startup. For instance, if you want to active all
580 subscribed newsgroups, but not the rest, you'd set this variable to
581 `gnus-level-subscribed'.
583 If you subscribe to lots of newsgroups from different servers, startup
584 might take a while. By setting this variable to nil, you'll save time,
585 but you won't be told how many unread articles there are in the
588 (defvar gnus-save-newsrc-file t
589 "*Non-nil means that Gnus will save the `.newsrc' file.
590 Gnus always saves its own startup file, which is called
591 \".newsrc.eld\". The file called \".newsrc\" is in a format that can
592 be readily understood by other newsreaders. If you don't plan on
593 using other newsreaders, set this variable to nil to save some time on
596 (defvar gnus-save-killed-list t
597 "*If non-nil, save the list of killed groups to the startup file.
598 If you set this variable to nil, you'll save both time (when starting
599 and quitting) and space (both memory and disk), but it will also mean
600 that Gnus has no record of which groups are new and which are old, so
601 the automatic new newsgroups subscription methods become meaningless.
603 You should always set `gnus-check-new-newsgroups' to `ask-server' or
604 nil if you set this variable to nil.")
606 (defvar gnus-interactive-catchup t
607 "*If non-nil, require your confirmation when catching up a group.")
609 (defvar gnus-interactive-post t
610 "*If non-nil, group name will be asked for when posting.")
612 (defvar gnus-interactive-exit t
613 "*If non-nil, require your confirmation when exiting Gnus.")
615 (defvar gnus-kill-killed t
616 "*If non-nil, Gnus will apply kill files to already killed articles.
617 If it is nil, Gnus will never apply kill files to articles that have
618 already been through the scoring process, which might very well save lots
621 (defvar gnus-extract-address-components 'gnus-extract-address-components
622 "*Function for extracting address components from a From header.
623 Two pre-defined function exist: `gnus-extract-address-components',
624 which is the default, quite fast, and too simplistic solution, and
625 `mail-extract-address-components', which works much better, but is
628 (defvar gnus-summary-default-score 0
629 "*Default article score level.
630 If this variable is nil, scoring will be disabled.")
632 (defvar gnus-summary-zcore-fuzz 0
633 "*Fuzziness factor for the zcore in the summary buffer.
634 Articles with scores closer than this to `gnus-summary-default-score'
635 will not be marked.")
637 (defvar gnus-simplify-subject-fuzzy-regexp nil
638 "*Strings to be removed when doing fuzzy matches.
639 This can either be a regular expression or list of regular expressions
640 that will be removed from subject strings if fuzzy subject
641 simplification is selected.")
643 (defvar gnus-permanently-visible-groups nil
644 "*Regexp to match groups that should always be listed in the group buffer.
645 This means that they will still be listed when there are no unread
646 articles in the groups.")
648 (defvar gnus-list-groups-with-ticked-articles t
649 "*If non-nil, list groups that have only ticked articles.
650 If nil, only list groups that have unread articles.")
652 (defvar gnus-group-default-list-level gnus-level-subscribed
653 "*Default listing level.
654 Ignored if `gnus-group-use-permanent-levels' is non-nil.")
656 (defvar gnus-group-use-permanent-levels nil
657 "*If non-nil, once you set a level, Gnus will use this level.")
659 (defvar gnus-group-list-inactive-groups t
660 "*If non-nil, inactive groups will be listed.")
662 (defvar gnus-show-mime nil
663 "*If non-nil, do mime processing of articles.
664 The articles will simply be fed to the function given by
665 `gnus-show-mime-method'.")
667 (defvar gnus-strict-mime t
668 "*If nil, MIME-decode even if there is no Mime-Version header in the article.")
670 (defvar gnus-show-mime-method 'metamail-buffer
671 "*Function to process a MIME message.
672 The function is called from the article buffer.")
674 (defvar gnus-decode-encoded-word-method (lambda ())
675 "*Function to decode a MIME encoded-words.
676 The function is called from the article buffer.")
678 (defvar gnus-show-threads t
679 "*If non-nil, display threads in summary mode.")
681 (defvar gnus-thread-hide-subtree nil
682 "*If non-nil, hide all threads initially.
683 If threads are hidden, you have to run the command
684 `gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
685 to expose hidden threads.")
687 (defvar gnus-thread-hide-killed t
688 "*If non-nil, hide killed threads automatically.")
690 (defvar gnus-thread-ignore-subject nil
691 "*If non-nil, ignore subjects and do all threading based on the Reference header.
692 If nil, which is the default, articles that have different subjects
693 from their parents will start separate threads.")
695 (defvar gnus-thread-operation-ignore-subject t
696 "*If non-nil, subjects will be ignored when doing thread commands.
697 This affects commands like `gnus-summary-kill-thread' and
698 `gnus-summary-lower-thread'.
700 If this variable is nil, articles in the same thread with different
701 subjects will not be included in the operation in question. If this
702 variable is `fuzzy', only articles that have subjects that are fuzzily
703 equal will be included.")
705 (defvar gnus-thread-indent-level 4
706 "*Number that says how much each sub-thread should be indented.")
708 (defvar gnus-ignored-newsgroups
709 (purecopy (mapconcat 'identity
710 '("^to\\." ; not "real" groups
711 "^[0-9. \t]+ " ; all digits in name
712 "[][\"#'()]" ; bogus characters
715 "*A regexp to match uninteresting newsgroups in the active file.
716 Any lines in the active file matching this regular expression are
717 removed from the newsgroup list before anything else is done to it,
718 thus making them effectively non-existent.")
720 (defvar gnus-ignored-headers
721 "^Path:\\|^Posting-Version:\\|^Article-I.D.:\\|^Expires:\\|^Date-Received:\\|^References:\\|^Control:\\|^Xref:\\|^Lines:\\|^Posted:\\|^Relay-Version:\\|^Message-ID:\\|^Nf-ID:\\|^Nf-From:\\|^Approved:\\|^Sender:\\|^Received:\\|^Mail-from:"
722 "*All headers that match this regexp will be hidden.
723 This variable can also be a list of regexps of headers to be ignored.
724 If `gnus-visible-headers' is non-nil, this variable will be ignored.")
726 (defvar gnus-visible-headers "^From:\\|^Newsgroups:\\|^Subject:\\|^Date:\\|^Followup-To:\\|^Reply-To:\\|^Organization:\\|^Summary:\\|^Keywords:\\|^To:\\|^Cc:\\|^Posted-To:\\|^Mail-Copies-To:\\|^Apparently-To:\\|^Gnus-Warning:\\|^Resent-"
727 "*All headers that do not match this regexp will be hidden.
728 This variable can also be a list of regexp of headers to remain visible.
729 If this variable is non-nil, `gnus-ignored-headers' will be ignored.")
731 (defvar gnus-sorted-header-list
732 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:" "^To:"
733 "^Cc:" "^Date:" "^Organization:")
734 "*This variable is a list of regular expressions.
735 If it is non-nil, headers that match the regular expressions will
736 be placed first in the article buffer in the sequence specified by
739 (defvar gnus-boring-article-headers
740 '(empty followup-to reply-to)
741 "*Headers that are only to be displayed if they have interesting data.
742 Possible values in this list are `empty', `newsgroups', `followup-to',
743 `reply-to', and `date'.")
745 (defvar gnus-show-all-headers nil
746 "*If non-nil, don't hide any headers.")
748 (defvar gnus-save-all-headers t
749 "*If non-nil, don't remove any headers before saving.")
751 (defvar gnus-saved-headers gnus-visible-headers
752 "*Headers to keep if `gnus-save-all-headers' is nil.
753 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
754 If that variable is nil, however, all headers that match this regexp
755 will be kept while the rest will be deleted before saving.")
757 (defvar gnus-inhibit-startup-message nil
758 "*If non-nil, the startup message will not be displayed.")
760 (defvar gnus-signature-separator "^-- *$"
761 "Regexp matching signature separator.")
763 (defvar gnus-signature-limit nil
764 "Provide a limit to what is considered a signature.
765 If it is a number, no signature may not be longer (in characters) than
766 that number. If it is a function, the function will be called without
767 any parameters, and if it returns nil, there is no signature in the
768 buffer. If it is a string, it will be used as a regexp. If it
769 matches, the text in question is not a signature.")
771 (defvar gnus-auto-extend-newsgroup t
772 "*If non-nil, extend newsgroup forward and backward when requested.")
774 (defvar gnus-auto-select-first t
775 "*If nil, don't select the first unread article when entering a group.
776 If this variable is `best', select the highest-scored unread article
777 in the group. If neither nil nor `best', select the first unread
780 If you want to prevent automatic selection of the first unread article
781 in some newsgroups, set the variable to nil in
782 `gnus-select-group-hook'.")
784 (defvar gnus-auto-select-next t
785 "*If non-nil, offer to go to the next group from the end of the previous.
786 If the value is t and the next newsgroup is empty, Gnus will exit
787 summary mode and go back to group mode. If the value is neither nil
788 nor t, Gnus will select the following unread newsgroup. In
789 particular, if the value is the symbol `quietly', the next unread
790 newsgroup will be selected without any confirmation, and if it is
791 `almost-quietly', the next group will be selected without any
792 confirmation if you are located on the last article in the group.
793 Finally, if this variable is `slightly-quietly', the `Z n' command
794 will go to the next group without confirmation.")
796 (defvar gnus-auto-select-same nil
797 "*If non-nil, select the next article with the same subject.")
799 (defvar gnus-summary-check-current nil
800 "*If non-nil, consider the current article when moving.
801 The \"unread\" movement commands will stay on the same line if the
802 current article is unread.")
804 (defvar gnus-auto-center-summary t
805 "*If non-nil, always center the current summary buffer.
806 In particular, if `vertical' do only vertical recentering. If non-nil
807 and non-`vertical', do both horizontal and vertical recentering.")
809 (defvar gnus-break-pages t
810 "*If non-nil, do page breaking on articles.
811 The page delimiter is specified by the `gnus-page-delimiter'
814 (defvar gnus-page-delimiter "^\^L"
815 "*Regexp describing what to use as article page delimiters.
816 The default value is \"^\^L\", which is a form linefeed at the
817 beginning of a line.")
819 (defvar gnus-use-full-window t
820 "*If non-nil, use the entire Emacs screen.")
822 (defvar gnus-window-configuration nil
823 "Obsolete variable. See `gnus-buffer-configuration'.")
825 (defvar gnus-window-min-width 2
826 "*Minimum width of Gnus buffers.")
828 (defvar gnus-window-min-height 1
829 "*Minimum height of Gnus buffers.")
831 (defvar gnus-buffer-configuration
835 (if gnus-carpal '(group-carpal 4))))
839 (if gnus-carpal '(summary-carpal 4))))
846 (if gnus-carpal '(summary-carpal 4))
848 (vertical ((height . 5) (width . 15)
850 (left . -1) (top . 1))
860 (if gnus-carpal '(summary-carpal 4))
861 (if gnus-use-trees '(tree 0.25))
866 (if gnus-carpal '(server-carpal 2))))
870 (if gnus-carpal '(browse-carpal 2))))
883 (article 1.0 point)))
894 (edit-group 1.0 point)))
898 (edit-server 1.0 point)))
902 (edit-score 1.0 point)))
929 (if gnus-carpal '(summary-carpal 4))
930 ("*Shell Command Output*" 1.0)))
938 "Window configuration for all possible Gnus buffers.
939 This variable is a list of lists. Each of these lists has a NAME and
940 a RULE. The NAMEs are commonsense names like `group', which names a
941 rule used when displaying the group buffer; `summary', which names a
942 rule for what happens when you enter a group and do not display an
943 article buffer; and so on. See the value of this variable for a
944 complete list of NAMEs.
946 Each RULE is a list of vectors. The first element in this vector is
947 the name of the buffer to be displayed; the second element is the
948 percentage of the screen this buffer is to occupy (a number in the
949 0.0-0.99 range); the optional third element is `point', which should
950 be present to denote which buffer point is to go to after making this
951 buffer configuration.")
953 (defvar gnus-window-to-buffer
954 '((group . gnus-group-buffer)
955 (summary . gnus-summary-buffer)
956 (article . gnus-article-buffer)
957 (server . gnus-server-buffer)
958 (browse . "*Gnus Browse Server*")
959 (edit-group . gnus-group-edit-buffer)
960 (edit-server . gnus-server-edit-buffer)
961 (group-carpal . gnus-carpal-group-buffer)
962 (summary-carpal . gnus-carpal-summary-buffer)
963 (server-carpal . gnus-carpal-server-buffer)
964 (browse-carpal . gnus-carpal-browse-buffer)
965 (edit-score . gnus-score-edit-buffer)
966 (mail . gnus-mail-buffer)
967 (post . gnus-post-news-buffer)
968 (faq . gnus-faq-buffer)
969 (picons . "*Picons*")
970 (tree . gnus-tree-buffer)
971 (info . gnus-info-buffer)
972 (article-copy . gnus-article-copy)
973 (draft . gnus-draft-buffer))
974 "Mapping from short symbols to buffer names or buffer variables.")
976 (defvar gnus-carpal nil
977 "*If non-nil, display clickable icons.")
979 (defvar gnus-subscribe-newsgroup-method 'gnus-subscribe-zombies
980 "*Function called with a group name when new group is detected.
981 A few pre-made functions are supplied: `gnus-subscribe-randomly'
982 inserts new groups at the beginning of the list of groups;
983 `gnus-subscribe-alphabetically' inserts new groups in strict
984 alphabetic order; `gnus-subscribe-hierarchically' inserts new groups
985 in hierarchical newsgroup order; `gnus-subscribe-interactively' asks
986 for your decision; `gnus-subscribe-killed' kills all new groups.")
988 ;; Suggested by a bug report by Hallvard B Furuseth.
989 ;; <h.b.furuseth@usit.uio.no>.
990 (defvar gnus-subscribe-options-newsgroup-method
991 (function gnus-subscribe-alphabetically)
992 "*This function is called to subscribe newsgroups mentioned on \"options -n\" lines.
993 If, for instance, you want to subscribe to all newsgroups in the
994 \"no\" and \"alt\" hierarchies, you'd put the following in your
997 options -n no.all alt.all
999 Gnus will the subscribe all new newsgroups in these hierarchies with
1000 the subscription method in this variable.")
1002 (defvar gnus-subscribe-hierarchical-interactive nil
1003 "*If non-nil, Gnus will offer to subscribe hierarchically.
1004 When a new hierarchy appears, Gnus will ask the user:
1006 'alt.binaries': Do you want to subscribe to this hierarchy? ([d]ys):
1008 If the user pressed `d', Gnus will descend the hierarchy, `y' will
1009 subscribe to all newsgroups in the hierarchy and `s' will skip this
1010 hierarchy in its entirety.")
1012 (defvar gnus-group-sort-function 'gnus-group-sort-by-alphabet
1013 "*Function used for sorting the group buffer.
1014 This function will be called with group info entries as the arguments
1015 for the groups to be sorted. Pre-made functions include
1016 `gnus-group-sort-by-alphabet', `gnus-group-sort-by-unread',
1017 `gnus-group-sort-by-level', `gnus-group-sort-by-score', and
1018 `gnus-group-sort-by-rank'.
1020 This variable can also be a list of sorting functions. In that case,
1021 the most significant sort function should be the last function in the
1024 ;; Mark variables suggested by Thomas Michanek
1025 ;; <Thomas.Michanek@telelogic.se>.
1026 (defvar gnus-unread-mark ?
1027 "*Mark used for unread articles.")
1028 (defvar gnus-ticked-mark ?!
1029 "*Mark used for ticked articles.")
1030 (defvar gnus-dormant-mark ??
1031 "*Mark used for dormant articles.")
1032 (defvar gnus-del-mark ?r
1033 "*Mark used for del'd articles.")
1034 (defvar gnus-read-mark ?R
1035 "*Mark used for read articles.")
1036 (defvar gnus-expirable-mark ?E
1037 "*Mark used for expirable articles.")
1038 (defvar gnus-killed-mark ?K
1039 "*Mark used for killed articles.")
1040 (defvar gnus-souped-mark ?F
1041 "*Mark used for killed articles.")
1042 (defvar gnus-kill-file-mark ?X
1043 "*Mark used for articles killed by kill files.")
1044 (defvar gnus-low-score-mark ?Y
1045 "*Mark used for articles with a low score.")
1046 (defvar gnus-catchup-mark ?C
1047 "*Mark used for articles that are caught up.")
1048 (defvar gnus-replied-mark ?A
1049 "*Mark used for articles that have been replied to.")
1050 (defvar gnus-cached-mark ?*
1051 "*Mark used for articles that are in the cache.")
1052 (defvar gnus-saved-mark ?S
1053 "*Mark used for articles that have been saved to.")
1054 (defvar gnus-process-mark ?#
1056 (defvar gnus-ancient-mark ?O
1057 "*Mark used for ancient articles.")
1058 (defvar gnus-sparse-mark ?Q
1059 "*Mark used for sparsely reffed articles.")
1060 (defvar gnus-canceled-mark ?G
1061 "*Mark used for canceled articles.")
1062 (defvar gnus-score-over-mark ?+
1063 "*Score mark used for articles with high scores.")
1064 (defvar gnus-score-below-mark ?-
1065 "*Score mark used for articles with low scores.")
1066 (defvar gnus-empty-thread-mark ?
1067 "*There is no thread under the article.")
1068 (defvar gnus-not-empty-thread-mark ?=
1069 "*There is a thread under the article.")
1071 (defvar gnus-view-pseudo-asynchronously nil
1072 "*If non-nil, Gnus will view pseudo-articles asynchronously.")
1074 (defvar gnus-view-pseudos nil
1075 "*If `automatic', pseudo-articles will be viewed automatically.
1076 If `not-confirm', pseudos will be viewed automatically, and the user
1077 will not be asked to confirm the command.")
1079 (defvar gnus-view-pseudos-separately t
1080 "*If non-nil, one pseudo-article will be created for each file to be viewed.
1081 If nil, all files that use the same viewing command will be given as a
1082 list of parameters to that command.")
1084 (defvar gnus-insert-pseudo-articles t
1085 "*If non-nil, insert pseudo-articles when decoding articles.")
1087 (defvar gnus-group-line-format "%M%S%p%P%5y: %(%g%)%l\n"
1088 "*Format of group lines.
1089 It works along the same lines as a normal formatting string,
1090 with some simple extensions.
1092 %M Only marked articles (character, \"*\" or \" \")
1093 %S Whether the group is subscribed (character, \"U\", \"K\", \"Z\" or \" \")
1094 %L Level of subscribedness (integer)
1095 %N Number of unread articles (integer)
1096 %I Number of dormant articles (integer)
1097 %i Number of ticked and dormant (integer)
1098 %T Number of ticked articles (integer)
1099 %R Number of read articles (integer)
1100 %t Total number of articles (integer)
1101 %y Number of unread, unticked articles (integer)
1102 %G Group name (string)
1103 %g Qualified group name (string)
1104 %D Group description (string)
1105 %s Select method (string)
1106 %o Moderated group (char, \"m\")
1107 %p Process mark (char)
1108 %O Moderated group (string, \"(m)\" or \"\")
1109 %P Topic indentation (string)
1110 %l Whether there are GroupLens predictions for this group (string)
1111 %n Select from where (string)
1112 %z A string that look like `<%s:%n>' if a foreign select method is used
1113 %u User defined specifier. The next character in the format string should
1114 be a letter. Gnus will call the function gnus-user-format-function-X,
1115 where X is the letter following %u. The function will be passed the
1116 current header as argument. The function should return a string, which
1117 will be inserted into the buffer just like information from any other
1120 Text between %( and %) will be highlighted with `gnus-mouse-face' when
1121 the mouse point move inside the area. There can only be one such area.
1123 Note that this format specification is not always respected. For
1124 reasons of efficiency, when listing killed groups, this specification
1125 is ignored altogether. If the spec is changed considerably, your
1126 output may end up looking strange when listing both alive and killed
1129 If you use %o or %O, reading the active file will be slower and quite
1130 a bit of extra memory will be used. %D will also worsen performance.
1131 Also note that if you change the format specification to include any
1132 of these specs, you must probably re-start Gnus to see them go into
1135 (defvar gnus-summary-line-format "%U%R%z%I%(%[%4L: %-20,20n%]%) %s\n"
1136 "*The format specification of the lines in the summary buffer.
1138 It works along the same lines as a normal formatting string,
1139 with some simple extensions.
1141 %N Article number, left padded with spaces (string)
1143 %s Subject if it is at the root of a thread, and \"\" otherwise (string)
1144 %n Name of the poster (string)
1145 %a Extracted name of the poster (string)
1146 %A Extracted address of the poster (string)
1147 %F Contents of the From: header (string)
1148 %x Contents of the Xref: header (string)
1149 %D Date of the article (string)
1150 %d Date of the article (string) in DD-MMM format
1151 %M Message-id of the article (string)
1152 %r References of the article (string)
1153 %c Number of characters in the article (integer)
1154 %L Number of lines in the article (integer)
1155 %I Indentation based on thread level (a string of spaces)
1156 %T A string with two possible values: 80 spaces if the article
1157 is on thread level two or larger and 0 spaces on level one
1158 %R \"A\" if this article has been replied to, \" \" otherwise (character)
1159 %U Status of this article (character, \"R\", \"K\", \"-\" or \" \")
1160 %[ Opening bracket (character, \"[\" or \"<\")
1161 %] Closing bracket (character, \"]\" or \">\")
1162 %> Spaces of length thread-level (string)
1163 %< Spaces of length (- 20 thread-level) (string)
1164 %i Article score (number)
1165 %z Article zcore (character)
1166 %t Number of articles under the current thread (number).
1167 %e Whether the thread is empty or not (character).
1168 %l GroupLens score (number)
1169 %u User defined specifier. The next character in the format string should
1170 be a letter. Gnus will call the function gnus-user-format-function-X,
1171 where X is the letter following %u. The function will be passed the
1172 current header as argument. The function should return a string, which
1173 will be inserted into the summary just like information from any other
1176 Text between %( and %) will be highlighted with `gnus-mouse-face'
1177 when the mouse point is placed inside the area. There can only be one
1180 The %U (status), %R (replied) and %z (zcore) specs have to be handled
1181 with care. For reasons of efficiency, Gnus will compute what column
1182 these characters will end up in, and \"hard-code\" that. This means that
1183 it is illegal to have these specs after a variable-length spec. Well,
1184 you might not be arrested, but your summary buffer will look strange,
1185 which is bad enough.
1187 The smart choice is to have these specs as for to the left as
1190 This restriction may disappear in later versions of Gnus.")
1192 (defvar gnus-summary-dummy-line-format
1194 "*The format specification for the dummy roots in the summary buffer.
1195 It works along the same lines as a normal formatting string,
1196 with some simple extensions.
1200 (defvar gnus-summary-mode-line-format "Gnus: %%b [%A] %Z"
1201 "*The format specification for the summary mode line.
1202 It works along the same lines as a normal formatting string,
1203 with some simple extensions:
1206 %p Unprefixed group name
1207 %A Current article number
1209 %U Number of unread articles in the group
1210 %e Number of unselected articles in the group
1211 %Z A string with unread/unselected article counts
1212 %g Shortish group name
1213 %S Subject of the current article
1214 %u User-defined spec
1215 %s Current score file name
1216 %d Number of dormant articles
1217 %r Number of articles that have been marked as read in this session
1218 %E Number of articles expunged by the score files")
1220 (defvar gnus-article-mode-line-format "Gnus: %%b %S"
1221 "*The format specification for the article mode line.
1222 See `gnus-summary-mode-line-format' for a closer description.")
1224 (defvar gnus-group-mode-line-format "Gnus: %%b {%M:%S}"
1225 "*The format specification for the group mode line.
1226 It works along the same lines as a normal formatting string,
1227 with some simple extensions:
1229 %S The native news server.
1230 %M The native select method.")
1232 (defvar gnus-valid-select-methods
1233 '(("nntp" post address prompt-address)
1234 ("nnspool" post address)
1235 ("nnvirtual" post-mail virtual prompt-address)
1236 ("nnmbox" mail respool address)
1237 ("nnml" mail respool address)
1238 ("nnmh" mail respool address)
1239 ("nndir" post-mail prompt-address address)
1240 ("nneething" none address prompt-address)
1241 ("nndoc" none address prompt-address)
1242 ("nnbabyl" mail address respool)
1243 ("nnkiboze" post address virtual)
1244 ("nnsoup" post-mail address)
1245 ("nndraft" post-mail)
1246 ("nnfolder" mail respool address))
1247 "An alist of valid select methods.
1248 The first element of each list lists should be a string with the name
1249 of the select method. The other elements may be be the category of
1250 this method (ie. `post', `mail', `none' or whatever) or other
1251 properties that this method has (like being respoolable).
1252 If you implement a new select method, all you should have to change is
1253 this variable. I think.")
1255 (defvar gnus-updated-mode-lines '(group article summary tree)
1256 "*List of buffers that should update their mode lines.
1257 The list may contain the symbols `group', `article' and `summary'. If
1258 the corresponding symbol is present, Gnus will keep that mode line
1259 updated with information that may be pertinent.
1260 If this variable is nil, screen refresh may be quicker.")
1262 ;; Added by Keinonen Kari <kk85613@cs.tut.fi>.
1263 (defvar gnus-mode-non-string-length nil
1264 "*Max length of mode-line non-string contents.
1265 If this is nil, Gnus will take space as is needed, leaving the rest
1266 of the modeline intact.")
1269 ;(defvar gnus-mouse-face 'highlight
1270 ; "*Face used for mouse highlighting in Gnus.
1271 ;No mouse highlights will be done if `gnus-visual' is nil.")
1273 (defvar gnus-summary-mark-below nil
1274 "*Mark all articles with a score below this variable as read.
1275 This variable is local to each summary buffer and usually set by the
1278 (defvar gnus-article-sort-functions '(gnus-article-sort-by-number)
1279 "*List of functions used for sorting articles in the summary buffer.
1280 This variable is only used when not using a threaded display.")
1282 (defvar gnus-thread-sort-functions '(gnus-thread-sort-by-number)
1283 "*List of functions used for sorting threads in the summary buffer.
1284 By default, threads are sorted by article number.
1286 Each function takes two threads and return non-nil if the first thread
1287 should be sorted before the other. If you use more than one function,
1288 the primary sort function should be the last. You should probably
1289 always include `gnus-thread-sort-by-number' in the list of sorting
1290 functions -- preferably first.
1292 Ready-mady functions include `gnus-thread-sort-by-number',
1293 `gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
1294 `gnus-thread-sort-by-date', `gnus-thread-sort-by-score' and
1295 `gnus-thread-sort-by-total-score' (see `gnus-thread-score-function').")
1297 (defvar gnus-thread-score-function '+
1298 "*Function used for calculating the total score of a thread.
1300 The function is called with the scores of the article and each
1301 subthread and should then return the score of the thread.
1303 Some functions you can use are `+', `max', or `min'.")
1305 (defvar gnus-summary-expunge-below nil
1306 "All articles that have a score less than this variable will be expunged.")
1308 (defvar gnus-thread-expunge-below nil
1309 "All threads that have a total score less than this variable will be expunged.
1310 See `gnus-thread-score-function' for en explanation of what a
1311 \"thread score\" is.")
1313 (defvar gnus-auto-subscribed-groups
1314 "^nnml\\|^nnfolder\\|^nnmbox\\|^nnmh\\|^nnbabyl"
1315 "*All new groups that match this regexp will be subscribed automatically.
1316 Note that this variable only deals with new groups. It has no effect
1317 whatsoever on old groups.")
1319 (defvar gnus-options-subscribe nil
1320 "*All new groups matching this regexp will be subscribed unconditionally.
1321 Note that this variable deals only with new newsgroups. This variable
1322 does not affect old newsgroups.")
1324 (defvar gnus-options-not-subscribe nil
1325 "*All new groups matching this regexp will be ignored.
1326 Note that this variable deals only with new newsgroups. This variable
1327 does not affect old (already subscribed) newsgroups.")
1329 (defvar gnus-auto-expirable-newsgroups nil
1330 "*Groups in which to automatically mark read articles as expirable.
1331 If non-nil, this should be a regexp that should match all groups in
1332 which to perform auto-expiry. This only makes sense for mail groups.")
1334 (defvar gnus-total-expirable-newsgroups nil
1335 "*Groups in which to perform expiry of all read articles.
1336 Use with extreme caution. All groups that match this regexp will be
1337 expiring - which means that all read articles will be deleted after
1338 (say) one week. (This only goes for mail groups and the like, of
1341 (defvar gnus-group-uncollapsed-levels 1
1342 "Number of group name elements to leave alone when making a short group name.")
1344 (defvar gnus-hidden-properties '(invisible t intangible t)
1345 "Property list to use for hiding text.")
1347 (defvar gnus-modtime-botch nil
1348 "*Non-nil means .newsrc should be deleted prior to save. Its use is
1349 due to the bogus appearance that .newsrc was modified on disc.")
1353 (defvar gnus-group-mode-hook nil
1354 "*A hook for Gnus group mode.")
1356 (defvar gnus-summary-mode-hook nil
1357 "*A hook for Gnus summary mode.
1358 This hook is run before any variables are set in the summary buffer.")
1360 (defvar gnus-article-mode-hook nil
1361 "*A hook for Gnus article mode.")
1363 (defvar gnus-summary-prepare-exit-hook nil
1364 "*A hook called when preparing to exit from the summary buffer.
1365 It calls `gnus-summary-expire-articles' by default.")
1366 (add-hook 'gnus-summary-prepare-exit-hook 'gnus-summary-expire-articles)
1368 (defvar gnus-summary-exit-hook nil
1369 "*A hook called on exit from the summary buffer.")
1371 (defvar gnus-group-catchup-group-hook nil
1372 "*A hook run when catching up a group from the group buffer.")
1374 (defvar gnus-open-server-hook nil
1375 "*A hook called just before opening connection to the news server.")
1377 (defvar gnus-load-hook nil
1378 "*A hook run while Gnus is loaded.")
1380 (defvar gnus-startup-hook nil
1381 "*A hook called at startup.
1382 This hook is called after Gnus is connected to the NNTP server.")
1384 (defvar gnus-get-new-news-hook nil
1385 "*A hook run just before Gnus checks for new news.")
1387 (defvar gnus-after-getting-new-news-hook nil
1388 "*A hook run after Gnus checks for new news.")
1390 (defvar gnus-group-prepare-function 'gnus-group-prepare-flat
1391 "*A function that is called to generate the group buffer.
1392 The function is called with three arguments: The first is a number;
1393 all group with a level less or equal to that number should be listed,
1394 if the second is non-nil, empty groups should also be displayed. If
1395 the third is non-nil, it is a number. No groups with a level lower
1396 than this number should be displayed.
1398 The only current function implemented is `gnus-group-prepare-flat'.")
1400 (defvar gnus-group-prepare-hook nil
1401 "*A hook called after the group buffer has been generated.
1402 If you want to modify the group buffer, you can use this hook.")
1404 (defvar gnus-summary-prepare-hook nil
1405 "*A hook called after the summary buffer has been generated.
1406 If you want to modify the summary buffer, you can use this hook.")
1408 (defvar gnus-summary-generate-hook nil
1409 "*A hook run just before generating the summary buffer.
1410 This hook is commonly used to customize threading variables and the
1413 (defvar gnus-article-prepare-hook nil
1414 "*A hook called after an article has been prepared in the article buffer.
1415 If you want to run a special decoding program like nkf, use this hook.")
1417 ;(defvar gnus-article-display-hook nil
1418 ; "*A hook called after the article is displayed in the article buffer.
1419 ;The hook is designed to change the contents of the article
1420 ;buffer. Typical functions that this hook may contain are
1421 ;`gnus-article-hide-headers' (hide selected headers),
1422 ;`gnus-article-maybe-highlight' (perform fancy article highlighting),
1423 ;`gnus-article-hide-signature' (hide signature) and
1424 ;`gnus-article-treat-overstrike' (turn \"^H_\" into bold characters).")
1425 ;(add-hook 'gnus-article-display-hook 'gnus-article-hide-headers-if-wanted)
1426 ;(add-hook 'gnus-article-display-hook 'gnus-article-treat-overstrike)
1427 ;(add-hook 'gnus-article-display-hook 'gnus-article-maybe-highlight)
1429 (defvar gnus-article-x-face-command
1430 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | xv -quit -"
1431 "String or function to be executed to display an X-Face header.
1432 If it is a string, the command will be executed in a sub-shell
1433 asynchronously. The compressed face will be piped to this command.")
1435 (defvar gnus-article-x-face-too-ugly nil
1436 "Regexp matching posters whose face shouldn't be shown automatically.")
1438 (defvar gnus-select-group-hook nil
1439 "*A hook called when a newsgroup is selected.
1441 If you'd like to simplify subjects like the
1442 `gnus-summary-next-same-subject' command does, you can use the
1445 (setq gnus-select-group-hook
1448 (mapcar (lambda (header)
1449 (mail-header-set-subject
1451 (gnus-simplify-subject
1452 (mail-header-subject header) 're-only)))
1453 gnus-newsgroup-headers))))")
1455 (defvar gnus-select-article-hook nil
1456 "*A hook called when an article is selected.")
1458 (defvar gnus-apply-kill-hook '(gnus-apply-kill-file)
1459 "*A hook called to apply kill files to a group.
1460 This hook is intended to apply a kill file to the selected newsgroup.
1461 The function `gnus-apply-kill-file' is called by default.
1463 Since a general kill file is too heavy to use only for a few
1464 newsgroups, I recommend you to use a lighter hook function. For
1465 example, if you'd like to apply a kill file to articles which contains
1466 a string `rmgroup' in subject in newsgroup `control', you can use the
1469 (setq gnus-apply-kill-hook
1472 (cond ((string-match \"control\" gnus-newsgroup-name)
1473 (gnus-kill \"Subject\" \"rmgroup\")
1474 (gnus-expunge \"X\"))))))")
1476 (defvar gnus-visual-mark-article-hook
1477 (list 'gnus-highlight-selected-summary)
1478 "*Hook run after selecting an article in the summary buffer.
1479 It is meant to be used for highlighting the article in some way. It
1480 is not run if `gnus-visual' is nil.")
1482 (defvar gnus-parse-headers-hook nil
1483 "*A hook called before parsing the headers.")
1485 (defvar gnus-exit-group-hook nil
1486 "*A hook called when exiting (not quitting) summary mode.")
1488 (defvar gnus-suspend-gnus-hook nil
1489 "*A hook called when suspending (not exiting) Gnus.")
1491 (defvar gnus-exit-gnus-hook nil
1492 "*A hook called when exiting Gnus.")
1494 (defvar gnus-after-exiting-gnus-hook nil
1495 "*A hook called after exiting Gnus.")
1497 (defvar gnus-save-newsrc-hook nil
1498 "*A hook called before saving any of the newsrc files.")
1500 (defvar gnus-save-quick-newsrc-hook nil
1501 "*A hook called just before saving the quick newsrc file.
1502 Can be used to turn version control on or off.")
1504 (defvar gnus-save-standard-newsrc-hook nil
1505 "*A hook called just before saving the standard newsrc file.
1506 Can be used to turn version control on or off.")
1508 (defvar gnus-summary-update-hook
1509 (list 'gnus-summary-highlight-line)
1510 "*A hook called when a summary line is changed.
1511 The hook will not be called if `gnus-visual' is nil.
1513 The default function `gnus-summary-highlight-line' will
1514 highlight the line according to the `gnus-summary-highlight'
1517 (defvar gnus-group-update-hook '(gnus-group-highlight-line)
1518 "*A hook called when a group line is changed.
1519 The hook will not be called if `gnus-visual' is nil.
1521 The default function `gnus-group-highlight-line' will
1522 highlight the line according to the `gnus-group-highlight'
1525 (defvar gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
1526 "*A hook called when an article is selected for the first time.
1527 The hook is intended to mark an article as read (or unread)
1528 automatically when it is selected.")
1530 (defvar gnus-group-change-level-function nil
1531 "Function run when a group level is changed.
1532 It is called with three parameters -- GROUP, LEVEL and OLDLEVEL.")
1534 ;; Remove any hilit infestation.
1535 (add-hook 'gnus-startup-hook
1537 (remove-hook 'gnus-summary-prepare-hook
1538 'hilit-rehighlight-buffer-quietly)
1539 (remove-hook 'gnus-summary-prepare-hook 'hilit-install-line-hooks)
1540 (setq gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read))
1541 (remove-hook 'gnus-article-prepare-hook
1542 'hilit-rehighlight-buffer-quietly)))
1545 ;; Internal variables
1547 (defvar gnus-server-alist nil
1548 "List of available servers.")
1550 (defvar gnus-topic-indentation "") ;; Obsolete variable.
1552 (defvar gnus-goto-missing-group-function nil)
1554 (defvar gnus-override-subscribe-method nil)
1556 (defvar gnus-group-goto-next-group-function nil
1557 "Function to override finding the next group after listing groups.")
1559 (defconst gnus-article-mark-lists
1560 '((marked . tick) (replied . reply)
1561 (expirable . expire) (killed . killed)
1562 (bookmarks . bookmark) (dormant . dormant)
1563 (scored . score) (saved . save)
1567 ;; Avoid highlighting in kill files.
1568 (defvar gnus-summary-inhibit-highlight nil)
1569 (defvar gnus-newsgroup-selected-overlay nil)
1571 (defvar gnus-inhibit-hiding nil)
1572 (defvar gnus-group-indentation "")
1573 (defvar gnus-inhibit-limiting nil)
1574 (defvar gnus-created-frames nil)
1576 (defvar gnus-article-mode-map nil)
1577 (defvar gnus-dribble-buffer nil)
1578 (defvar gnus-headers-retrieved-by nil)
1579 (defvar gnus-article-reply nil)
1580 (defvar gnus-override-method nil)
1581 (defvar gnus-article-check-size nil)
1583 (defvar gnus-current-score-file nil)
1584 (defvar gnus-newsgroup-adaptive-score-file nil)
1585 (defvar gnus-scores-exclude-files nil)
1587 (defvar gnus-opened-servers nil)
1589 (defvar gnus-current-move-group nil)
1591 (defvar gnus-newsgroup-dependencies nil)
1592 (defvar gnus-newsgroup-async nil)
1593 (defconst gnus-group-edit-buffer "*Gnus edit newsgroup*")
1595 (defvar gnus-newsgroup-adaptive nil)
1597 (defvar gnus-summary-display-table nil)
1598 (defvar gnus-summary-display-article-function nil)
1600 (defvar gnus-summary-highlight-line-function nil
1601 "Function called after highlighting a summary line.")
1603 (defvar gnus-group-line-format-alist
1604 `((?M gnus-tmp-marked-mark ?c)
1605 (?S gnus-tmp-subscribed ?c)
1606 (?L gnus-tmp-level ?d)
1607 (?N (cond ((eq number t) "*" )
1611 (gnus-range-length (cdr (assq 'dormant gnus-tmp-marked)))
1612 (gnus-range-length (cdr (assq 'tick gnus-tmp-marked))))))
1614 (?R gnus-tmp-number-of-read ?s)
1615 (?t gnus-tmp-number-total ?d)
1616 (?y gnus-tmp-number-of-unread ?s)
1617 (?I (gnus-range-length (cdr (assq 'dormant gnus-tmp-marked))) ?d)
1618 (?T (gnus-range-length (cdr (assq 'tick gnus-tmp-marked))) ?d)
1619 (?i (+ (gnus-range-length (cdr (assq 'dormant gnus-tmp-marked)))
1620 (gnus-range-length (cdr (assq 'tick gnus-tmp-marked)))) ?d)
1621 (?g gnus-tmp-group ?s)
1622 (?G gnus-tmp-qualified-group ?s)
1623 (?c (gnus-short-group-name gnus-tmp-group) ?s)
1624 (?D gnus-tmp-newsgroup-description ?s)
1625 (?o gnus-tmp-moderated ?c)
1626 (?O gnus-tmp-moderated-string ?s)
1627 (?p gnus-tmp-process-marked ?c)
1628 (?s gnus-tmp-news-server ?s)
1629 (?n gnus-tmp-news-method ?s)
1630 (?P gnus-group-indentation ?s)
1631 (?l gnus-tmp-grouplens ?s)
1632 (?z gnus-tmp-news-method-string ?s)
1633 (?u gnus-tmp-user-defined ?s)))
1635 (defvar gnus-summary-line-format-alist
1636 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
1637 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
1638 (?s gnus-tmp-subject-or-nil ?s)
1639 (?n gnus-tmp-name ?s)
1640 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
1642 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
1644 (?F gnus-tmp-from ?s)
1645 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
1646 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
1647 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
1648 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
1649 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
1650 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
1651 (?L gnus-tmp-lines ?d)
1652 (?I gnus-tmp-indentation ?s)
1653 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
1654 (?R gnus-tmp-replied ?c)
1655 (?\[ gnus-tmp-opening-bracket ?c)
1656 (?\] gnus-tmp-closing-bracket ?c)
1657 (?\> (make-string gnus-tmp-level ? ) ?s)
1658 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
1659 (?i gnus-tmp-score ?d)
1660 (?z gnus-tmp-score-char ?c)
1661 (?l (bbb-grouplens-score gnus-tmp-header) ?s)
1662 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
1663 (?U gnus-tmp-unread ?c)
1664 (?t (gnus-summary-number-of-articles-in-thread
1665 (and (boundp 'thread) (car thread)) gnus-tmp-level)
1667 (?e (gnus-summary-number-of-articles-in-thread
1668 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
1670 (?u gnus-tmp-user-defined ?s))
1671 "An alist of format specifications that can appear in summary lines,
1672 and what variables they correspond with, along with the type of the
1673 variable (string, integer, character, etc).")
1675 (defvar gnus-summary-dummy-line-format-alist
1676 `((?S gnus-tmp-subject ?s)
1677 (?N gnus-tmp-number ?d)
1678 (?u gnus-tmp-user-defined ?s)))
1680 (defvar gnus-summary-mode-line-format-alist
1681 `((?G gnus-tmp-group-name ?s)
1682 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
1683 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
1684 (?A gnus-tmp-article-number ?d)
1685 (?Z gnus-tmp-unread-and-unselected ?s)
1686 (?V gnus-version ?s)
1687 (?U gnus-tmp-unread ?d)
1688 (?S gnus-tmp-subject ?s)
1689 (?e gnus-tmp-unselected ?d)
1690 (?u gnus-tmp-user-defined ?s)
1691 (?d (length gnus-newsgroup-dormant) ?d)
1692 (?t (length gnus-newsgroup-marked) ?d)
1693 (?r (length gnus-newsgroup-reads) ?d)
1694 (?E gnus-newsgroup-expunged-tally ?d)
1695 (?s (gnus-current-score-file-nondirectory) ?s)))
1697 (defvar gnus-article-mode-line-format-alist
1698 gnus-summary-mode-line-format-alist)
1700 (defvar gnus-group-mode-line-format-alist
1701 `((?S gnus-tmp-news-server ?s)
1702 (?M gnus-tmp-news-method ?s)
1703 (?u gnus-tmp-user-defined ?s)))
1705 (defvar gnus-have-read-active-file nil)
1707 (defconst gnus-maintainer
1708 "gnus-bug@ifi.uio.no (The Gnus Bugfixing Girls + Boys)"
1709 "The mail address of the Gnus maintainers.")
1711 (defconst gnus-version "September Gnus v0.48"
1712 "Version number for this version of Gnus.")
1714 (defvar gnus-info-nodes
1715 '((gnus-group-mode "(gnus)The Group Buffer")
1716 (gnus-summary-mode "(gnus)The Summary Buffer")
1717 (gnus-article-mode "(gnus)The Article Buffer"))
1718 "Assoc list of major modes and related Info nodes.")
1720 (defvar gnus-group-buffer "*Group*")
1721 (defvar gnus-summary-buffer "*Summary*")
1722 (defvar gnus-article-buffer "*Article*")
1723 (defvar gnus-server-buffer "*Server*")
1725 (defvar gnus-work-buffer " *gnus work*")
1727 (defvar gnus-original-article-buffer " *Original Article*")
1728 (defvar gnus-original-article nil)
1730 (defvar gnus-buffer-list nil
1731 "Gnus buffers that should be killed on exit.")
1733 (defvar gnus-slave nil
1734 "Whether this Gnus is a slave or not.")
1736 (defvar gnus-variable-list
1737 '(gnus-newsrc-options gnus-newsrc-options-n
1738 gnus-newsrc-last-checked-date
1739 gnus-newsrc-alist gnus-server-alist
1740 gnus-killed-list gnus-zombie-list
1741 gnus-topic-topology gnus-topic-alist
1743 "Gnus variables saved in the quick startup file.")
1745 (defvar gnus-newsrc-options nil
1746 "Options line in the .newsrc file.")
1748 (defvar gnus-newsrc-options-n nil
1749 "List of regexps representing groups to be subscribed/ignored unconditionally.")
1751 (defvar gnus-newsrc-last-checked-date nil
1752 "Date Gnus last asked server for new newsgroups.")
1754 (defvar gnus-topic-topology nil
1755 "The complete topic hierarchy.")
1757 (defvar gnus-topic-alist nil
1758 "The complete topic-group alist.")
1760 (defvar gnus-newsrc-alist nil
1761 "Assoc list of read articles.
1762 gnus-newsrc-hashtb should be kept so that both hold the same information.")
1764 (defvar gnus-newsrc-hashtb nil
1765 "Hashtable of gnus-newsrc-alist.")
1767 (defvar gnus-killed-list nil
1768 "List of killed newsgroups.")
1770 (defvar gnus-killed-hashtb nil
1771 "Hash table equivalent of gnus-killed-list.")
1773 (defvar gnus-zombie-list nil
1774 "List of almost dead newsgroups.")
1776 (defvar gnus-description-hashtb nil
1777 "Descriptions of newsgroups.")
1779 (defvar gnus-list-of-killed-groups nil
1780 "List of newsgroups that have recently been killed by the user.")
1782 (defvar gnus-active-hashtb nil
1783 "Hashtable of active articles.")
1785 (defvar gnus-moderated-list nil
1786 "List of moderated newsgroups.")
1788 (defvar gnus-group-marked nil)
1790 (defvar gnus-current-startup-file nil
1791 "Startup file for the current host.")
1793 (defvar gnus-last-search-regexp nil
1794 "Default regexp for article search command.")
1796 (defvar gnus-last-shell-command nil
1797 "Default shell command on article.")
1799 (defvar gnus-current-select-method nil
1800 "The current method for selecting a newsgroup.")
1802 (defvar gnus-group-list-mode nil)
1804 (defvar gnus-article-internal-prepare-hook nil)
1806 (defvar gnus-newsgroup-name nil)
1807 (defvar gnus-newsgroup-begin nil)
1808 (defvar gnus-newsgroup-end nil)
1809 (defvar gnus-newsgroup-last-rmail nil)
1810 (defvar gnus-newsgroup-last-mail nil)
1811 (defvar gnus-newsgroup-last-folder nil)
1812 (defvar gnus-newsgroup-last-file nil)
1813 (defvar gnus-newsgroup-auto-expire nil)
1814 (defvar gnus-newsgroup-active nil)
1816 (defvar gnus-newsgroup-data nil)
1817 (defvar gnus-newsgroup-data-reverse nil)
1818 (defvar gnus-newsgroup-limit nil)
1819 (defvar gnus-newsgroup-limits nil)
1821 (defvar gnus-newsgroup-unreads nil
1822 "List of unread articles in the current newsgroup.")
1824 (defvar gnus-newsgroup-unselected nil
1825 "List of unselected unread articles in the current newsgroup.")
1827 (defvar gnus-newsgroup-reads nil
1828 "Alist of read articles and article marks in the current newsgroup.")
1830 (defvar gnus-newsgroup-expunged-tally nil)
1832 (defvar gnus-newsgroup-marked nil
1833 "List of ticked articles in the current newsgroup (a subset of unread art).")
1835 (defvar gnus-newsgroup-killed nil
1836 "List of ranges of articles that have been through the scoring process.")
1838 (defvar gnus-newsgroup-cached nil
1839 "List of articles that come from the article cache.")
1841 (defvar gnus-newsgroup-saved nil
1842 "List of articles that have been saved.")
1844 (defvar gnus-newsgroup-kill-headers nil)
1846 (defvar gnus-newsgroup-replied nil
1847 "List of articles that have been replied to in the current newsgroup.")
1849 (defvar gnus-newsgroup-expirable nil
1850 "List of articles in the current newsgroup that can be expired.")
1852 (defvar gnus-newsgroup-processable nil
1853 "List of articles in the current newsgroup that can be processed.")
1855 (defvar gnus-newsgroup-bookmarks nil
1856 "List of articles in the current newsgroup that have bookmarks.")
1858 (defvar gnus-newsgroup-dormant nil
1859 "List of dormant articles in the current newsgroup.")
1861 (defvar gnus-newsgroup-scored nil
1862 "List of scored articles in the current newsgroup.")
1864 (defvar gnus-newsgroup-headers nil
1865 "List of article headers in the current newsgroup.")
1867 (defvar gnus-newsgroup-threads nil)
1869 (defvar gnus-newsgroup-prepared nil
1870 "Whether the current group has been prepared properly.")
1872 (defvar gnus-newsgroup-ancient nil
1873 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1875 (defvar gnus-newsgroup-sparse nil)
1877 (defvar gnus-current-article nil)
1878 (defvar gnus-article-current nil)
1879 (defvar gnus-current-headers nil)
1880 (defvar gnus-have-all-headers nil)
1881 (defvar gnus-last-article nil)
1882 (defvar gnus-newsgroup-history nil)
1883 (defvar gnus-current-kill-article nil)
1885 ;; Save window configuration.
1886 (defvar gnus-prev-winconf nil)
1888 (defvar gnus-summary-mark-positions nil)
1889 (defvar gnus-group-mark-positions nil)
1891 (defvar gnus-reffed-article-number nil)
1893 ;;; Let the byte-compiler know that we know about this variable.
1894 (defvar rmail-default-rmail-file)
1896 (defvar gnus-cache-removable-articles nil)
1898 (defvar gnus-dead-summary nil)
1900 (defconst gnus-summary-local-variables
1901 '(gnus-newsgroup-name
1902 gnus-newsgroup-begin gnus-newsgroup-end
1903 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1904 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1905 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
1906 gnus-newsgroup-unselected gnus-newsgroup-marked
1907 gnus-newsgroup-reads gnus-newsgroup-saved
1908 gnus-newsgroup-replied gnus-newsgroup-expirable
1909 gnus-newsgroup-processable gnus-newsgroup-killed
1910 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1911 gnus-newsgroup-headers gnus-newsgroup-threads
1912 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1913 gnus-current-article gnus-current-headers gnus-have-all-headers
1914 gnus-last-article gnus-article-internal-prepare-hook
1915 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1916 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1917 gnus-newsgroup-async
1918 gnus-score-alist gnus-current-score-file gnus-summary-expunge-below
1919 gnus-summary-mark-below gnus-newsgroup-active gnus-scores-exclude-files
1920 gnus-newsgroup-history gnus-newsgroup-ancient
1921 gnus-newsgroup-sparse
1922 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1923 gnus-newsgroup-adaptive-score-file
1924 (gnus-newsgroup-expunged-tally . 0)
1925 gnus-cache-removable-articles gnus-newsgroup-cached
1926 gnus-newsgroup-data gnus-newsgroup-data-reverse
1927 gnus-newsgroup-limit gnus-newsgroup-limits)
1928 "Variables that are buffer-local to the summary buffers.")
1930 (defconst gnus-bug-message
1931 "Sending a bug report to the Gnus Towers.
1932 ========================================
1934 The buffer below is a mail buffer. When you press `C-c C-c', it will
1935 be sent to the Gnus Bug Exterminators.
1937 At the bottom of the buffer you'll see lots of variable settings.
1938 Please do not delete those. They will tell the Bug People what your
1939 environment is, so that it will be easier to locate the bugs.
1941 If you have found a bug that makes Emacs go \"beep\", set
1942 debug-on-error to t (`M-x set-variable RET debug-on-error RET t RET')
1943 and include the backtrace in your bug report.
1945 Please describe the bug in annoying, painstaking detail.
1947 Thank you for your help in stamping out bugs.
1950 ;;; End of variables.
1952 ;; Define some autoload functions Gnus might use.
1955 ;; This little mapcar goes through the list below and marks the
1956 ;; symbols in question as autoloaded functions.
1959 (let ((interactive (nth 1 (memq ':interactive package))))
1963 (when (consp function)
1964 (setq keymap (car (memq 'keymap function)))
1965 (setq function (car function)))
1966 (autoload function (car package) nil interactive keymap)))
1967 (if (eq (nth 1 package) ':interactive)
1970 '(("metamail" metamail-buffer)
1971 ("info" Info-goto-node)
1972 ("hexl" hexl-hex-string-to-integer)
1973 ("pp" pp pp-to-string pp-eval-expression)
1974 ("mail-extr" mail-extract-address-components)
1975 ("nnmail" nnmail-split-fancy nnmail-article-group)
1976 ("nnvirtual" nnvirtual-catchup-group)
1977 ("timezone" timezone-make-date-arpa-standard timezone-fix-time
1978 timezone-make-sortable-date timezone-make-time-string)
1979 ("sendmail" mail-position-on-field mail-setup)
1980 ("rmailout" rmail-output)
1981 ("rnewspost" news-mail-other-window news-reply-yank-original
1982 news-caesar-buffer-body)
1983 ("rmail" rmail-insert-rmail-file-header rmail-count-new-messages
1985 ("gnus-soup" :interactive t
1986 gnus-group-brew-soup gnus-brew-soup gnus-soup-add-article
1987 gnus-soup-send-replies gnus-soup-save-areas gnus-soup-pack-packet)
1988 ("nnsoup" nnsoup-pack-replies)
1989 ("gnus-mh" gnus-mh-mail-setup gnus-summary-save-article-folder
1990 gnus-Folder-save-name gnus-folder-save-name)
1991 ("gnus-mh" :interactive t gnus-summary-save-in-folder)
1992 ("gnus-vis" gnus-group-make-menu-bar gnus-summary-make-menu-bar
1993 gnus-server-make-menu-bar gnus-article-make-menu-bar
1994 gnus-browse-make-menu-bar gnus-highlight-selected-summary
1995 gnus-summary-highlight-line gnus-carpal-setup-buffer
1996 gnus-group-highlight-line
1997 gnus-article-add-button gnus-insert-next-page-button
1998 gnus-insert-prev-page-button gnus-visual-turn-off-edit-menu)
1999 ("gnus-vis" :interactive t
2000 gnus-article-push-button gnus-article-press-button
2001 gnus-article-highlight gnus-article-highlight-some
2002 gnus-article-highlight-headers gnus-article-highlight-signature
2003 gnus-article-add-buttons gnus-article-add-buttons-to-head
2004 gnus-article-next-button gnus-article-prev-button)
2005 ("gnus-demon" gnus-demon-add-nocem gnus-demon-add-scanmail
2006 gnus-demon-add-disconnection gnus-demon-add-handler
2007 gnus-demon-remove-handler)
2008 ("gnus-demon" :interactive t
2009 gnus-demon-init gnus-demon-cancel)
2010 ("gnus-salt" gnus-highlight-selected-tree gnus-possibly-generate-tree
2011 gnus-tree-open gnus-tree-close)
2012 ("gnus-nocem" gnus-nocem-scan-groups gnus-nocem-close
2013 gnus-nocem-unwanted-article-p)
2014 ("gnus-srvr" gnus-enter-server-buffer gnus-server-set-info)
2015 ("gnus-srvr" gnus-browse-foreign-server)
2016 ("gnus-cite" :interactive t
2017 gnus-article-highlight-citation gnus-article-hide-citation-maybe
2018 gnus-article-hide-citation gnus-article-fill-cited-article)
2019 ("gnus-kill" gnus-kill gnus-apply-kill-file-internal
2020 gnus-kill-file-edit-file gnus-kill-file-raise-followups-to-author
2021 gnus-execute gnus-expunge)
2022 ("gnus-cache" gnus-cache-possibly-enter-article gnus-cache-save-buffers
2023 gnus-cache-possibly-remove-articles gnus-cache-request-article
2024 gnus-cache-retrieve-headers gnus-cache-possibly-alter-active
2025 gnus-cache-enter-remove-article gnus-cached-article-p
2026 gnus-cache-open gnus-cache-close)
2027 ("gnus-cache" :interactive t gnus-jog-cache gnus-cache-enter-article
2028 gnus-cache-remove-article)
2029 ("gnus-score" :interactive t
2030 gnus-summary-increase-score gnus-summary-lower-score
2031 gnus-score-flush-cache gnus-score-close
2032 gnus-score-raise-same-subject-and-select
2033 gnus-score-raise-same-subject gnus-score-default
2034 gnus-score-raise-thread gnus-score-lower-same-subject-and-select
2035 gnus-score-lower-same-subject gnus-score-lower-thread
2036 gnus-possibly-score-headers)
2038 (gnus-summary-score-map keymap) gnus-score-save gnus-score-headers
2039 gnus-current-score-file-nondirectory gnus-score-adaptive
2040 gnus-score-find-trace gnus-score-file-name)
2041 ("gnus-edit" :interactive t gnus-score-customize)
2042 ("gnus-topic" :interactive t gnus-topic-mode)
2043 ("gnus-topic" gnus-topic-remove-group)
2044 ("gnus-salt" :interactive t gnus-pick-mode)
2045 ("gnus-uu" (gnus-uu-extract-map keymap) (gnus-uu-mark-map keymap))
2046 ("gnus-uu" :interactive t
2047 gnus-uu-digest-mail-forward gnus-uu-digest-post-forward
2048 gnus-uu-mark-series gnus-uu-mark-region gnus-uu-mark-buffer
2049 gnus-uu-mark-by-regexp gnus-uu-mark-all
2050 gnus-uu-mark-sparse gnus-uu-mark-thread gnus-uu-decode-uu
2051 gnus-uu-decode-uu-and-save gnus-uu-decode-unshar
2052 gnus-uu-decode-unshar-and-save gnus-uu-decode-save
2053 gnus-uu-decode-binhex gnus-uu-decode-uu-view
2054 gnus-uu-decode-uu-and-save-view gnus-uu-decode-unshar-view
2055 gnus-uu-decode-unshar-and-save-view gnus-uu-decode-save-view
2056 gnus-uu-decode-binhex-view)
2057 ("gnus-msg" (gnus-summary-send-map keymap)
2058 gnus-mail-yank-original gnus-mail-send-and-exit
2059 gnus-sendmail-setup-mail gnus-article-mail
2060 gnus-inews-message-id gnus-new-mail gnus-mail-reply)
2061 ("gnus-msg" :interactive t
2062 gnus-group-post-news gnus-group-mail gnus-summary-post-news
2063 gnus-summary-followup gnus-summary-followup-with-original
2064 gnus-summary-followup-and-reply
2065 gnus-summary-followup-and-reply-with-original
2066 gnus-summary-cancel-article gnus-summary-supersede-article
2067 gnus-post-news gnus-inews-news gnus-cancel-news
2068 gnus-summary-reply gnus-summary-reply-with-original
2069 gnus-summary-mail-forward gnus-summary-mail-other-window
2071 ("gnus-picon" :interactive t gnus-article-display-picons
2072 gnus-group-display-picons gnus-picons-article-display-x-face)
2073 ("gnus-gl" bbb-login bbb-logout bbb-grouplens-group-p
2074 gnus-grouplens-mode)
2075 ("gnus-vm" gnus-vm-mail-setup)
2076 ("gnus-vm" :interactive t gnus-summary-save-in-vm
2077 gnus-summary-save-article-vm gnus-yank-article))))
2081 ;; Fix by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
2082 ;; If you want the cursor to go somewhere else, set these two
2083 ;; functions in some startup hook to whatever you want.
2084 (defalias 'gnus-summary-position-point 'gnus-goto-colon)
2085 (defalias 'gnus-group-position-point 'gnus-goto-colon)
2087 ;;; Various macros and substs.
2089 (defun gnus-header-from (header)
2090 (mail-header-from header))
2092 (defmacro gnus-eval-in-buffer-window (buffer &rest forms)
2093 "Pop to BUFFER, evaluate FORMS, and then return to the original window."
2094 `(let ((GnusStartBufferWindow (selected-window)))
2097 (pop-to-buffer ,buffer)
2099 (select-window GnusStartBufferWindow))))
2101 (defmacro gnus-gethash (string hashtable)
2102 "Get hash value of STRING in HASHTABLE."
2103 `(symbol-value (intern-soft ,string ,hashtable)))
2105 (defmacro gnus-sethash (string value hashtable)
2106 "Set hash value. Arguments are STRING, VALUE, and HASHTABLE."
2107 `(set (intern ,string ,hashtable) ,value))
2109 (defmacro gnus-intern-safe (string hashtable)
2110 "Set hash value. Arguments are STRING, VALUE, and HASHTABLE."
2111 `(let ((symbol (intern ,string ,hashtable)))
2116 (defmacro gnus-group-unread (group)
2117 "Get the currently computed number of unread articles in GROUP."
2118 `(car (gnus-gethash ,group gnus-newsrc-hashtb)))
2120 (defmacro gnus-group-entry (group)
2121 "Get the newsrc entry for GROUP."
2122 `(gnus-gethash ,group gnus-newsrc-hashtb))
2124 (defmacro gnus-active (group)
2125 "Get active info on GROUP."
2126 `(gnus-gethash ,group gnus-active-hashtb))
2128 (defmacro gnus-set-active (group active)
2129 "Set GROUP's active info."
2130 `(gnus-sethash ,group ,active gnus-active-hashtb))
2132 ;; modified by MORIOKA Tomohiko <morioka@jaist.ac.jp>
2133 ;; function `substring' might cut on a middle of multi-octet
2135 (defun gnus-truncate-string (str width)
2136 (substring str 0 width))
2138 ;; Added by Geoffrey T. Dairiki <dairiki@u.washington.edu>. A safe way
2139 ;; to limit the length of a string. This function is necessary since
2140 ;; `(substr "abc" 0 30)' pukes with "Args out of range".
2141 (defsubst gnus-limit-string (str width)
2142 (if (> (length str) width)
2143 (substring str 0 width)
2146 (defsubst gnus-simplify-subject-re (subject)
2147 "Remove \"Re:\" from subject lines."
2148 (if (string-match "^[Rr][Ee]: *" subject)
2149 (substring subject (match-end 0))
2152 (defsubst gnus-goto-char (point)
2153 (and point (goto-char point)))
2155 (defmacro gnus-buffer-exists-p (buffer)
2157 (funcall (if (stringp ,buffer) 'get-buffer 'buffer-name)
2160 (defmacro gnus-kill-buffer (buffer)
2161 `(let ((buf ,buffer))
2162 (if (gnus-buffer-exists-p buf)
2163 (kill-buffer buf))))
2165 (defsubst gnus-point-at-bol ()
2166 "Return point at the beginning of the line."
2173 (defsubst gnus-point-at-eol ()
2174 "Return point at the end of the line."
2181 (defun gnus-alive-p ()
2182 "Say whether Gnus is running or not."
2183 (and gnus-group-buffer
2184 (get-buffer gnus-group-buffer)))
2186 ;; Delete the current line (and the next N lines.);
2187 (defmacro gnus-delete-line (&optional n)
2188 `(delete-region (progn (beginning-of-line) (point))
2189 (progn (forward-line ,(or n 1)) (point))))
2191 ;; Suggested by Brian Edmonds <edmonds@cs.ubc.ca>.
2192 (defvar gnus-init-inhibit nil)
2193 (defun gnus-read-init-file (&optional inhibit-next)
2194 (if gnus-init-inhibit
2195 (setq gnus-init-inhibit nil)
2196 (setq gnus-init-inhibit inhibit-next)
2198 (or (and (file-exists-p gnus-init-file)
2199 ;; Don't try to load a directory.
2200 (not (file-directory-p gnus-init-file)))
2201 (file-exists-p (concat gnus-init-file ".el"))
2202 (file-exists-p (concat gnus-init-file ".elc")))
2204 (load gnus-init-file nil t)
2206 (error "Error in %s: %s" gnus-init-file var))))))
2208 ;; Info access macros.
2210 (defmacro gnus-info-group (info)
2212 (defmacro gnus-info-rank (info)
2214 (defmacro gnus-info-read (info)
2216 (defmacro gnus-info-marks (info)
2218 (defmacro gnus-info-method (info)
2220 (defmacro gnus-info-params (info)
2223 (defmacro gnus-info-level (info)
2224 `(let ((rank (gnus-info-rank ,info)))
2228 (defmacro gnus-info-score (info)
2229 `(let ((rank (gnus-info-rank ,info)))
2230 (or (and (consp rank) (cdr rank)) 0)))
2232 (defmacro gnus-info-set-group (info group)
2233 `(setcar ,info ,group))
2234 (defmacro gnus-info-set-rank (info rank)
2235 `(setcar (nthcdr 1 ,info) ,rank))
2236 (defmacro gnus-info-set-read (info read)
2237 `(setcar (nthcdr 2 ,info) ,read))
2238 (defmacro gnus-info-set-marks (info marks)
2239 `(setcar (nthcdr 3 ,info) ,marks))
2240 (defmacro gnus-info-set-method (info method)
2241 `(setcar (nthcdr 4 ,info) ,method))
2242 (defmacro gnus-info-set-params (info params)
2243 `(setcar (nthcdr 5 ,info) ,params))
2245 (defmacro gnus-info-set-level (info level)
2246 `(let ((rank (cdr ,info)))
2247 (if (consp (car rank))
2248 (setcar (car rank) ,level)
2249 (setcar rank ,level))))
2250 (defmacro gnus-info-set-score (info score)
2251 `(let ((rank (cdr ,info)))
2252 (if (consp (car rank))
2253 (setcdr (car rank) ,score)
2254 (setcar rank (cons (car rank) ,score)))))
2256 (defmacro gnus-get-info (group)
2257 `(nth 2 (gnus-gethash ,group gnus-newsrc-hashtb)))
2259 (defun gnus-byte-code (func)
2260 "Return a form that can be `eval'ed based on FUNC."
2261 (let ((fval (symbol-function func)))
2262 (if (byte-code-function-p fval)
2263 (let ((flist (append fval nil)))
2264 (setcar flist 'byte-code)
2266 (cons 'progn (cddr fval)))))
2268 ;;; Load the compatability functions.
2275 ;; Format specs. The chunks below are the machine-generated forms
2276 ;; that are to be evaled as the result of the default format strings.
2277 ;; We write them in here to get them byte-compiled. That way the
2278 ;; default actions will be quite fast, while still retaining the full
2279 ;; flexibility of the user-defined format specs.
2281 ;; First we have lots of dummy defvars to let the compiler know these
2282 ;; are really dynamic variables.
2284 (defvar gnus-tmp-unread)
2285 (defvar gnus-tmp-replied)
2286 (defvar gnus-tmp-score-char)
2287 (defvar gnus-tmp-indentation)
2288 (defvar gnus-tmp-opening-bracket)
2289 (defvar gnus-tmp-lines)
2290 (defvar gnus-tmp-name)
2291 (defvar gnus-tmp-closing-bracket)
2292 (defvar gnus-tmp-subject-or-nil)
2293 (defvar gnus-tmp-subject)
2294 (defvar gnus-tmp-marked)
2295 (defvar gnus-tmp-marked-mark)
2296 (defvar gnus-tmp-subscribed)
2297 (defvar gnus-tmp-process-marked)
2298 (defvar gnus-tmp-number-of-unread)
2299 (defvar gnus-tmp-group-name)
2300 (defvar gnus-tmp-group)
2301 (defvar gnus-tmp-article-number)
2302 (defvar gnus-tmp-unread-and-unselected)
2303 (defvar gnus-tmp-news-method)
2304 (defvar gnus-tmp-news-server)
2305 (defvar gnus-tmp-article-number)
2306 (defvar gnus-mouse-face)
2307 (defvar gnus-mouse-face-prop)
2309 (defun gnus-summary-line-format-spec ()
2310 (insert gnus-tmp-unread gnus-tmp-replied
2311 gnus-tmp-score-char gnus-tmp-indentation)
2316 gnus-tmp-opening-bracket
2317 (format "%4d: %-20s"
2319 (if (> (length gnus-tmp-name) 20)
2320 (substring gnus-tmp-name 0 20)
2322 gnus-tmp-closing-bracket)
2324 gnus-mouse-face-prop gnus-mouse-face)
2325 (insert " " gnus-tmp-subject-or-nil "\n"))
2327 (defvar gnus-summary-line-format-spec
2328 (gnus-byte-code 'gnus-summary-line-format-spec))
2330 (defun gnus-summary-dummy-line-format-spec ()
2337 gnus-mouse-face-prop gnus-mouse-face)
2338 (insert " " gnus-tmp-subject "\n"))
2340 (defvar gnus-summary-dummy-line-format-spec
2341 (gnus-byte-code 'gnus-summary-dummy-line-format-spec))
2343 (defun gnus-group-line-format-spec ()
2344 (insert gnus-tmp-marked-mark gnus-tmp-subscribed
2345 gnus-tmp-process-marked
2346 gnus-group-indentation
2347 (format "%5s: " gnus-tmp-number-of-unread))
2351 (insert gnus-tmp-group "\n")
2353 gnus-mouse-face-prop gnus-mouse-face))
2354 (defvar gnus-group-line-format-spec
2355 (gnus-byte-code 'gnus-group-line-format-spec))
2357 (defvar gnus-format-specs
2358 `((version . ,emacs-version)
2359 (group ,gnus-group-line-format ,gnus-group-line-format-spec)
2360 (summary-dummy ,gnus-summary-dummy-line-format
2361 ,gnus-summary-dummy-line-format-spec)
2362 (summary ,gnus-summary-line-format ,gnus-summary-line-format-spec)))
2364 (defvar gnus-article-mode-line-format-spec nil)
2365 (defvar gnus-summary-mode-line-format-spec nil)
2366 (defvar gnus-group-mode-line-format-spec nil)
2368 ;;; Phew. All that gruft is over, fortunately.
2372 ;;; Gnus Utility Functions
2375 (defun gnus-extract-address-components (from)
2377 ;; First find the address - the thing with the @ in it. This may
2378 ;; not be accurate in mail addresses, but does the trick most of
2379 ;; the time in news messages.
2380 (if (string-match "\\b[^@ \t<>]+[!@][^@ \t<>]+\\b" from)
2381 (setq address (substring from (match-beginning 0) (match-end 0))))
2382 ;; Then we check whether the "name <address>" format is used.
2384 ;; Fix by MORIOKA Tomohiko <morioka@jaist.ac.jp>
2385 ;; Linear white space is not required.
2386 (string-match (concat "[ \t]*<" (regexp-quote address) ">") from)
2387 (and (setq name (substring from 0 (match-beginning 0)))
2388 ;; Strip any quotes from the name.
2389 (string-match "\".*\"" name)
2390 (setq name (substring name 1 (1- (match-end 0))))))
2391 ;; If not, then "address (name)" is used.
2393 (and (string-match "(.+)" from)
2394 (setq name (substring from (1+ (match-beginning 0))
2395 (1- (match-end 0)))))
2396 (and (string-match "()" from)
2397 (setq name address))
2398 ;; Fix by MORIOKA Tomohiko <morioka@jaist.ac.jp>.
2399 ;; XOVER might not support folded From headers.
2400 (and (string-match "(.*" from)
2401 (setq name (substring from (1+ (match-beginning 0))
2403 ;; Fix by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
2404 (list (or name from) (or address from))))
2406 (defun gnus-fetch-field (field)
2407 "Return the value of the header FIELD of current article."
2410 (let ((case-fold-search t))
2411 (nnheader-narrow-to-headers)
2412 (mail-fetch-field field)))))
2414 (defun gnus-goto-colon ()
2416 (search-forward ":" (gnus-point-at-eol) t))
2419 (defun gnus-update-format (var)
2420 "Update the format specification near point."
2425 ;; Find the end of the current word.
2426 (re-search-forward "[ \t\n]" nil t)
2428 (when (re-search-backward "\\(gnus-[-a-z]+-line-format\\)" nil t)
2429 (match-string 1)))))
2430 (let* ((type (intern (progn (string-match "gnus-\\([-a-z]+\\)-line" var)
2431 (match-string 1 var))))
2432 (entry (assq type gnus-format-specs))
2435 (setq gnus-format-specs (delq entry gnus-format-specs)))
2437 (intern (format "%s-spec" var))
2438 (gnus-parse-format (setq value (symbol-value (intern var)))
2439 (symbol-value (intern (format "%s-alist" var)))
2440 (not (string-match "mode" var))))
2441 (setq spec (symbol-value (intern (format "%s-spec" var))))
2442 (push (list type value spec) gnus-format-specs)
2444 (pop-to-buffer "*Gnus Format*")
2446 (lisp-interaction-mode)
2447 (insert (pp-to-string spec))))
2449 (defun gnus-update-format-specifications (&optional force)
2450 "Update all (necessary) format specifications."
2451 ;; Make the indentation array.
2452 (gnus-make-thread-indent-array)
2454 ;; See whether all the stored info needs to be flushed.
2456 (not (equal emacs-version
2457 (cdr (assq 'version gnus-format-specs)))))
2458 (setq gnus-format-specs nil))
2460 ;; Go through all the formats and see whether they need updating.
2461 (let ((types '(summary summary-dummy group
2462 summary-mode group-mode article-mode))
2463 new-format entry type val)
2464 (while (setq type (pop types))
2465 ;; Jump to the proper buffer to find out the value of
2466 ;; the variable, if possible. (It may be buffer-local.)
2468 (let ((buffer (intern (format "gnus-%s-buffer" type)))
2470 (when (and (boundp buffer)
2471 (setq val (symbol-value buffer))
2473 (buffer-name (get-buffer val)))
2474 (set-buffer (get-buffer val)))
2475 (setq new-format (symbol-value
2476 (intern (format "gnus-%s-line-format" type))))))
2477 (setq entry (cdr (assq type gnus-format-specs)))
2479 (equal (car entry) new-format))
2480 ;; Use the old format.
2481 (set (intern (format "gnus-%s-line-format-spec" type))
2483 ;; This is a new format.
2485 (if (not (stringp new-format))
2486 ;; This is a function call or something.
2488 ;; This is a "real" format.
2492 (intern (format "gnus-%s-line-format-alist"
2493 (if (eq type 'article-mode)
2494 'summary-mode type))))
2495 (not (string-match "mode$" (symbol-name type))))))
2496 ;; Enter the new format spec into the list.
2499 (setcar (cdr entry) val)
2500 (setcar entry new-format))
2501 (push (list type new-format val) gnus-format-specs))
2502 (set (intern (format "gnus-%s-line-format-spec" type)) val))))
2504 (gnus-update-group-mark-positions)
2505 (gnus-update-summary-mark-positions)
2507 ;; See whether we need to read the description file.
2508 (if (and (string-match "%[-,0-9]*D" gnus-group-line-format)
2509 (not gnus-description-hashtb)
2510 gnus-read-active-file)
2511 (gnus-read-all-descriptions-files)))
2513 (defun gnus-update-summary-mark-positions ()
2514 "Compute where the summary marks are to go."
2516 (let ((gnus-replied-mark 129)
2517 (gnus-score-below-mark 130)
2518 (gnus-score-over-mark 130)
2522 (gnus-set-work-buffer)
2523 (gnus-summary-insert-line
2524 [0 "" "" "" "" "" 0 0 ""] 0 nil 128 t nil "" nil 1)
2525 (goto-char (point-min))
2526 (setq pos (list (cons 'unread (and (search-forward "\200" nil t)
2528 (goto-char (point-min))
2529 (push (cons 'replied (and (search-forward "\201" nil t) (- (point) 2)))
2531 (goto-char (point-min))
2532 (push (cons 'score (and (search-forward "\202" nil t) (- (point) 2)))
2534 (setq gnus-summary-mark-positions pos))))
2536 (defun gnus-update-group-mark-positions ()
2538 (let ((gnus-process-mark 128)
2539 (gnus-group-marked '("dummy.group")))
2540 (gnus-set-active "dummy.group" '(0 . 0))
2541 (gnus-set-work-buffer)
2542 (gnus-group-insert-group-line "dummy.group" 0 nil 0 nil)
2543 (goto-char (point-min))
2544 (setq gnus-group-mark-positions
2545 (list (cons 'process (and (search-forward "\200" nil t)
2546 (- (point) 2))))))))
2548 (defvar gnus-mouse-face-0 'highlight)
2549 (defvar gnus-mouse-face-1 'highlight)
2550 (defvar gnus-mouse-face-2 'highlight)
2551 (defvar gnus-mouse-face-3 'highlight)
2552 (defvar gnus-mouse-face-4 'highlight)
2554 (defun gnus-mouse-face-function (form type)
2556 (point) (progn ,@form (point))
2557 gnus-mouse-face-prop
2560 `(quote ,(symbol-value (intern (format "gnus-mouse-face-%d" type)))))))
2562 (defvar gnus-face-0 'bold)
2563 (defvar gnus-face-1 'italic)
2564 (defvar gnus-face-2 'bold-italic)
2565 (defvar gnus-face-3 'bold)
2566 (defvar gnus-face-4 'bold)
2568 (defun gnus-face-face-function (form type)
2570 (point) (progn ,@form (point))
2571 'face ',(symbol-value (intern (format "gnus-face-%d" type)))))
2573 (defun gnus-max-width-function (el max-width)
2574 (or (numberp max-width) (signal 'wrong-type-argument '(numberp max-width)))
2576 `(if (> (length ,el) ,max-width)
2577 (substring ,el 0 ,max-width)
2579 `(let ((val (eval ,el)))
2581 (setq val (int-to-string val)))
2582 (if (> (length val) ,max-width)
2583 (substring val 0 ,max-width)
2586 (defun gnus-parse-format (format spec-alist &optional insert)
2587 ;; This function parses the FORMAT string with the help of the
2588 ;; SPEC-ALIST and returns a list that can be eval'ed to return the
2589 ;; string. If the FORMAT string contains the specifiers %( and %)
2590 ;; the text between them will have the mouse-face text property.
2592 "\\`\\(.*\\)%[0-9]?[{(]\\(.*\\)%[0-9]?[})]\\(.*\n?\\)\\'"
2594 (gnus-parse-complex-format format spec-alist)
2595 ;; This is a simple format.
2596 (gnus-parse-simple-format format spec-alist insert)))
2598 (defun gnus-parse-complex-format (format spec-alist)
2600 (gnus-set-work-buffer)
2602 (goto-char (point-min))
2603 (while (re-search-forward "\"" nil t)
2604 (replace-match "\\\"" nil t))
2605 (goto-char (point-min))
2607 (while (re-search-forward "%\\([0-9]+\\)?\\([{}()]\\)" nil t)
2608 (let ((number (if (match-beginning 1)
2609 (match-string 1) "0"))
2610 (delim (aref (match-string 2) 0)))
2611 (if (or (= delim ?\() (= delim ?\{))
2612 (replace-match (concat "\"(" (if (= delim ?\() "mouse" "face")
2614 (replace-match "\")\""))))
2615 (goto-char (point-max))
2617 (goto-char (point-min))
2618 (let ((form (read (current-buffer))))
2619 (cons 'progn (gnus-complex-form-to-spec form spec-alist)))))
2621 (defun gnus-complex-form-to-spec (form spec-alist)
2626 (gnus-parse-simple-format sform spec-alist t)
2627 (funcall (intern (format "gnus-%s-face-function" (car sform)))
2628 (gnus-complex-form-to-spec (cddr sform) spec-alist)
2632 (defun gnus-parse-simple-format (format spec-alist &optional insert)
2633 ;; This function parses the FORMAT string with the help of the
2634 ;; SPEC-ALIST and returns a list that can be eval'ed to return a
2637 spec flist fstring newspec elem beg result dontinsert)
2639 (gnus-set-work-buffer)
2641 (goto-char (point-min))
2642 (while (re-search-forward "%[-0-9]*\\(,[0-9]+\\)?\\([^0-9]\\)\\(.\\)?"
2644 (if (= (setq spec (string-to-char (match-string 2))) ?%)
2646 beg (1+ (match-beginning 0)))
2647 ;; First check if there are any specs that look anything like
2648 ;; "%12,12A", ie. with a "max width specification". These have
2649 ;; to be treated specially.
2650 (if (setq beg (match-beginning 1))
2654 (1+ (match-beginning 1)) (match-end 1))))
2656 (setq beg (match-beginning 2)))
2657 ;; Find the specification from `spec-alist'.
2658 (unless (setq elem (cdr (assq spec spec-alist)))
2659 (setq elem '("*" ?s)))
2660 ;; Treat user defined format specifiers specially.
2661 (when (eq (car elem) 'gnus-tmp-user-defined)
2664 (list (intern (concat "gnus-user-format-function-"
2666 'gnus-tmp-header) ?s))
2667 (delete-region (match-beginning 3) (match-end 3)))
2668 (if (not (zerop max-width))
2669 (let ((el (car elem)))
2670 (cond ((= (cadr elem) ?c)
2671 (setq el (list 'char-to-string el)))
2673 (setq el (list 'int-to-string el))))
2674 (setq flist (cons (gnus-max-width-function el max-width)
2678 (setq flist (cons (car elem) flist))
2679 (setq newspec (cadr elem)))))
2680 ;; Remove the old specification (and possibly a ",12" string).
2681 (delete-region beg (match-end 2))
2682 ;; Insert the new specification.
2685 (setq fstring (buffer-substring 1 (point-max))))
2686 ;; Do some postprocessing to increase efficiency.
2691 ((string= fstring "")
2693 ;; Not a format string.
2694 ((not (string-match "%" fstring))
2696 ;; A format string with just a single string spec.
2697 ((string= fstring "%s")
2699 ;; A single character.
2700 ((string= fstring "%c")
2703 ((string= fstring "%d")
2706 (list `(princ ,(car flist)))
2707 (list `(int-to-string ,(car flist)))))
2708 ;; Just lots of chars and strings.
2709 ((string-match "\\`\\(%[cs]\\)+\\'" fstring)
2711 ;; A single string spec at the beginning of the spec.
2712 ((string-match "\\`%[sc][^%]+\\'" fstring)
2713 (list (car flist) (substring fstring 2)))
2714 ;; A single string spec in the middle of the spec.
2715 ((string-match "\\`\\([^%]+\\)%[sc]\\([^%]+\\)\\'" fstring)
2716 (list (match-string 1 fstring) (car flist) (match-string 2 fstring)))
2717 ;; A single string spec in the end of the spec.
2718 ((string-match "\\`\\([^%]+\\)%[sc]\\'" fstring)
2719 (list (match-string 1 fstring) (car flist)))
2720 ;; A more complex spec.
2722 (list (cons 'format (cons fstring (nreverse flist)))))))
2728 (cons 'insert result)))
2729 (cond ((stringp result)
2732 (cons 'concat result))
2735 (defun gnus-eval-format (format &optional alist props)
2736 "Eval the format variable FORMAT, using ALIST.
2737 If PROPS, insert the result."
2738 (let ((form (gnus-parse-format format alist props)))
2740 (add-text-properties (point) (progn (eval form) (point)) props)
2743 (defun gnus-remove-text-with-property (prop)
2744 "Delete all text in the current buffer with text property PROP."
2746 (goto-char (point-min))
2748 (while (get-text-property (point) prop)
2750 (goto-char (next-single-property-change (point) prop nil (point-max))))))
2752 (defun gnus-set-work-buffer ()
2753 (if (get-buffer gnus-work-buffer)
2755 (set-buffer gnus-work-buffer)
2757 (set-buffer (get-buffer-create gnus-work-buffer))
2758 (kill-all-local-variables)
2759 (buffer-disable-undo (current-buffer))
2760 (gnus-add-current-to-buffer-list)))
2762 ;; Article file names when saving.
2764 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
2765 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
2766 If variable `gnus-use-long-file-name' is nil, it is ~/News/News.group/num.
2767 Otherwise, it is like ~/News/news/group/num."
2770 (concat (if (gnus-use-long-file-name 'not-save)
2771 (gnus-capitalize-newsgroup newsgroup)
2772 (gnus-newsgroup-directory-form newsgroup))
2773 "/" (int-to-string (mail-header-number headers)))
2774 (or gnus-article-save-directory "~/News"))))
2776 (string-equal (file-name-directory default)
2777 (file-name-directory last-file))
2778 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
2780 (or last-file default))))
2782 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
2783 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
2784 If variable `gnus-use-long-file-name' is non-nil, it is
2785 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
2788 (concat (if (gnus-use-long-file-name 'not-save)
2790 (gnus-newsgroup-directory-form newsgroup))
2791 "/" (int-to-string (mail-header-number headers)))
2792 (or gnus-article-save-directory "~/News"))))
2794 (string-equal (file-name-directory default)
2795 (file-name-directory last-file))
2796 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
2798 (or last-file default))))
2800 (defun gnus-Plain-save-name (newsgroup headers &optional last-file)
2801 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
2802 If variable `gnus-use-long-file-name' is non-nil, it is
2803 ~/News/News.group. Otherwise, it is like ~/News/news/group/news."
2806 (if (gnus-use-long-file-name 'not-save)
2807 (gnus-capitalize-newsgroup newsgroup)
2808 (concat (gnus-newsgroup-directory-form newsgroup) "/news"))
2809 (or gnus-article-save-directory "~/News"))))
2811 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
2812 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
2813 If variable `gnus-use-long-file-name' is non-nil, it is
2814 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
2817 (if (gnus-use-long-file-name 'not-save)
2819 (concat (gnus-newsgroup-directory-form newsgroup) "/news"))
2820 (or gnus-article-save-directory "~/News"))))
2822 ;; For subscribing new newsgroup
2824 (defun gnus-subscribe-hierarchical-interactive (groups)
2825 (let ((groups (sort groups 'string<))
2826 prefixes prefix start ans group starts)
2828 (setq prefixes (list "^"))
2829 (while (and groups prefixes)
2830 (while (not (string-match (car prefixes) (car groups)))
2831 (setq prefixes (cdr prefixes)))
2832 (setq prefix (car prefixes))
2833 (setq start (1- (length prefix)))
2834 (if (and (string-match "[^\\.]\\." (car groups) start)
2837 (concat "^" (substring (car groups) 0 (match-end 0))))
2838 (string-match prefix (cadr groups)))
2840 (setq prefixes (cons prefix prefixes))
2841 (message "Descend hierarchy %s? ([y]nsq): "
2842 (substring prefix 1 (1- (length prefix))))
2843 (setq ans (read-char))
2846 (string-match prefix
2847 (setq group (car groups))))
2848 (setq gnus-killed-list
2849 (cons group gnus-killed-list))
2850 (gnus-sethash group group gnus-killed-hashtb)
2851 (setq groups (cdr groups)))
2852 (setq starts (cdr starts)))
2855 (string-match prefix
2856 (setq group (car groups))))
2857 (gnus-sethash group group gnus-killed-hashtb)
2858 (gnus-subscribe-alphabetically (car groups))
2859 (setq groups (cdr groups)))
2860 (setq starts (cdr starts)))
2863 (setq group (car groups))
2864 (setq gnus-killed-list (cons group gnus-killed-list))
2865 (gnus-sethash group group gnus-killed-hashtb)
2866 (setq groups (cdr groups))))
2868 (message "Subscribe %s? ([n]yq)" (car groups))
2869 (setq ans (read-char))
2870 (setq group (car groups))
2872 (gnus-subscribe-alphabetically (car groups))
2873 (gnus-sethash group group gnus-killed-hashtb))
2876 (setq group (car groups))
2877 (setq gnus-killed-list (cons group gnus-killed-list))
2878 (gnus-sethash group group gnus-killed-hashtb)
2879 (setq groups (cdr groups))))
2881 (setq gnus-killed-list (cons group gnus-killed-list))
2882 (gnus-sethash group group gnus-killed-hashtb)))
2883 (setq groups (cdr groups)))))))
2885 (defun gnus-subscribe-randomly (newsgroup)
2886 "Subscribe new NEWSGROUP by making it the first newsgroup."
2887 (gnus-subscribe-newsgroup newsgroup))
2889 (defun gnus-subscribe-alphabetically (newgroup)
2890 "Subscribe new NEWSGROUP and insert it in alphabetical order."
2891 (let ((groups (cdr gnus-newsrc-alist))
2893 (while (and (not before) groups)
2894 (if (string< newgroup (caar groups))
2895 (setq before (caar groups))
2896 (setq groups (cdr groups))))
2897 (gnus-subscribe-newsgroup newgroup before)))
2899 (defun gnus-subscribe-hierarchically (newgroup)
2900 "Subscribe new NEWSGROUP and insert it in hierarchical newsgroup order."
2901 ;; Basic ideas by mike-w@cs.aukuni.ac.nz (Mike Williams)
2903 (set-buffer (find-file-noselect gnus-current-startup-file))
2904 (let ((groupkey newgroup)
2906 (while (and (not before) groupkey)
2907 (goto-char (point-min))
2909 (concat "^\\(" (regexp-quote groupkey) ".*\\)[!:]")))
2910 (while (and (re-search-forward groupkey-re nil t)
2912 (setq before (match-string 1))
2913 (string< before newgroup)))))
2914 ;; Remove tail of newsgroup name (eg. a.b.c -> a.b)
2916 (if (string-match "^\\(.*\\)\\.[^.]+$" groupkey)
2917 (substring groupkey (match-beginning 1) (match-end 1)))))
2918 (gnus-subscribe-newsgroup newgroup before))))
2920 (defun gnus-subscribe-interactively (group)
2921 "Subscribe the new GROUP interactively.
2922 It is inserted in hierarchical newsgroup order if subscribed. If not,
2924 (if (gnus-y-or-n-p (format "Subscribe new newsgroup: %s " group))
2925 (gnus-subscribe-hierarchically group)
2926 (push group gnus-killed-list)))
2928 (defun gnus-subscribe-zombies (group)
2929 "Make the new GROUP into a zombie group."
2930 (push group gnus-zombie-list))
2932 (defun gnus-subscribe-killed (group)
2933 "Make the new GROUP a killed group."
2934 (push group gnus-killed-list))
2936 (defun gnus-subscribe-newsgroup (newsgroup &optional next)
2937 "Subscribe new NEWSGROUP.
2938 If NEXT is non-nil, it is inserted before NEXT. Otherwise it is made
2939 the first newsgroup."
2940 ;; We subscribe the group by changing its level to `subscribed'.
2941 (gnus-group-change-level
2942 newsgroup gnus-level-default-subscribed
2943 gnus-level-killed (gnus-gethash (or next "dummy.group") gnus-newsrc-hashtb))
2944 (gnus-message 5 "Subscribe newsgroup: %s" newsgroup))
2948 (defun gnus-newsgroup-directory-form (newsgroup)
2949 "Make hierarchical directory name from NEWSGROUP name."
2950 (let ((newsgroup (gnus-newsgroup-savable-name newsgroup))
2951 (len (length newsgroup))
2953 ;; If this is a foreign group, we don't want to translate the
2955 (if (setq idx (string-match ":" newsgroup))
2956 (aset newsgroup idx ?/)
2958 ;; Replace all occurrences of `.' with `/'.
2960 (if (= (aref newsgroup idx) ?.)
2961 (aset newsgroup idx ?/))
2962 (setq idx (1+ idx)))
2965 (defun gnus-newsgroup-savable-name (group)
2966 ;; Replace any slashes in a group name (eg. an ange-ftp nndoc group)
2968 (nnheader-replace-chars-in-string group ?/ ?.))
2970 (defun gnus-make-directory (dir)
2971 "Make DIRECTORY recursively."
2972 ;; Why don't we use `(make-directory dir 'parents)'? That's just one
2973 ;; of the many mysteries of the universe.
2974 (let* ((dir (expand-file-name dir default-directory))
2976 (if (string-match "/$" dir)
2977 (setq dir (substring dir 0 (match-beginning 0))))
2978 ;; First go down the path until we find a directory that exists.
2979 (while (not (file-exists-p dir))
2980 (setq dirs (cons dir dirs))
2981 (string-match "/[^/]+$" dir)
2982 (setq dir (substring dir 0 (match-beginning 0))))
2983 ;; Then create all the subdirs.
2984 (while (and dirs (not err))
2986 (make-directory (car dirs))
2987 (error (setq err t)))
2988 (setq dirs (cdr dirs)))
2989 ;; We return whether we were successful or not.
2992 (defun gnus-capitalize-newsgroup (newsgroup)
2993 "Capitalize NEWSGROUP name."
2994 (and (not (zerop (length newsgroup)))
2995 (concat (char-to-string (upcase (aref newsgroup 0)))
2996 (substring newsgroup 1))))
2998 ;; Various... things.
3000 (defun gnus-simplify-subject (subject &optional re-only)
3001 "Remove `Re:' and words in parentheses.
3002 If RE-ONLY is non-nil, strip leading `Re:'s only."
3003 (let ((case-fold-search t)) ;Ignore case.
3004 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
3005 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
3006 (setq subject (substring subject (match-end 0))))
3007 ;; Remove uninteresting prefixes.
3008 (if (and (not re-only)
3009 gnus-simplify-ignored-prefixes
3010 (string-match gnus-simplify-ignored-prefixes subject))
3011 (setq subject (substring subject (match-end 0))))
3012 ;; Remove words in parentheses from end.
3014 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
3015 (setq subject (substring subject 0 (match-beginning 0)))))
3016 ;; Return subject string.
3019 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
3021 ;; Written by Stainless Steel Rat <ratinox@ccs.neu.edu>.
3022 (defun gnus-simplify-buffer-fuzzy ()
3023 (goto-char (point-min))
3024 (re-search-forward "^[ \t]*\\(re\\|fwd\\)[[{(^0-9]*[])}]?[:;][ \t]*" nil t)
3025 (goto-char (match-beginning 0))
3027 (looking-at "^[ \t]*\\(re\\|fwd\\)[[{(^0-9]*[])}]?[:;][ \t]*")
3028 (looking-at "^[[].*:[ \t].*[]]$"))
3029 (goto-char (point-min))
3030 (while (re-search-forward "^[ \t]*\\(re\\|fwd\\)[[{(^0-9]*[])}]?[:;][ \t]*"
3032 (replace-match "" t t))
3033 (goto-char (point-min))
3034 (while (re-search-forward "^[[].*:[ \t].*[]]$" nil t)
3035 (goto-char (match-end 0))
3038 (progn (goto-char (match-beginning 0)))
3039 (re-search-forward ":"))))
3040 (goto-char (point-min))
3041 (while (re-search-forward "[ \t\n]*[[{(][^()]*[]})][ \t]*$" nil t)
3042 (replace-match "" t t))
3043 (goto-char (point-min))
3044 (while (re-search-forward "[ \t]+" nil t)
3045 (replace-match " " t t))
3046 (goto-char (point-min))
3047 (while (re-search-forward "[ \t]+$" nil t)
3048 (replace-match "" t t))
3049 (goto-char (point-min))
3050 (while (re-search-forward "^[ \t]+" nil t)
3051 (replace-match "" t t))
3052 (goto-char (point-min))
3053 (if gnus-simplify-subject-fuzzy-regexp
3054 (if (listp gnus-simplify-subject-fuzzy-regexp)
3055 (let ((list gnus-simplify-subject-fuzzy-regexp))
3057 (goto-char (point-min))
3058 (while (re-search-forward (car list) nil t)
3059 (replace-match "" t t))
3060 (setq list (cdr list))))
3061 (while (re-search-forward gnus-simplify-subject-fuzzy-regexp nil t)
3062 (replace-match "" t t)))))
3064 (defun gnus-simplify-subject-fuzzy (subject)
3065 "Siplify a subject string fuzzily."
3067 (gnus-set-work-buffer)
3068 (let ((case-fold-search t))
3070 (inline (gnus-simplify-buffer-fuzzy))
3073 ;; Add the current buffer to the list of buffers to be killed on exit.
3074 (defun gnus-add-current-to-buffer-list ()
3075 (or (memq (current-buffer) gnus-buffer-list)
3076 (setq gnus-buffer-list (cons (current-buffer) gnus-buffer-list))))
3078 (defun gnus-string> (s1 s2)
3079 (not (or (string< s1 s2)
3082 ;;; General various misc type functions.
3084 (defun gnus-clear-system ()
3085 "Clear all variables and buffers."
3086 ;; Clear Gnus variables.
3087 (let ((variables gnus-variable-list))
3089 (set (car variables) nil)
3090 (setq variables (cdr variables))))
3091 ;; Clear other internal variables.
3092 (setq gnus-list-of-killed-groups nil
3093 gnus-have-read-active-file nil
3094 gnus-newsrc-alist nil
3095 gnus-newsrc-hashtb nil
3096 gnus-killed-list nil
3097 gnus-zombie-list nil
3098 gnus-killed-hashtb nil
3099 gnus-active-hashtb nil
3100 gnus-moderated-list nil
3101 gnus-description-hashtb nil
3102 gnus-newsgroup-headers nil
3103 gnus-newsgroup-name nil
3104 gnus-server-alist nil
3105 gnus-opened-servers nil
3106 gnus-current-select-method nil)
3107 ;; Reset any score variables.
3108 (when gnus-use-scoring
3110 ;; Kill the startup file.
3111 (and gnus-current-startup-file
3112 (get-file-buffer gnus-current-startup-file)
3113 (kill-buffer (get-file-buffer gnus-current-startup-file)))
3114 ;; Save any cache buffers.
3115 (when gnus-use-cache
3116 (gnus-cache-save-buffers))
3117 ;; Clear the dribble buffer.
3118 (gnus-dribble-clear)
3119 ;; Close down NoCeM.
3120 (when gnus-use-nocem
3122 ;; Shut down the demons.
3123 (when gnus-use-demon
3124 (gnus-demon-cancel))
3125 ;; Kill global KILL file buffer.
3126 (when (get-file-buffer (gnus-newsgroup-kill-file nil))
3127 (kill-buffer (get-file-buffer (gnus-newsgroup-kill-file nil))))
3128 (gnus-kill-buffer nntp-server-buffer)
3130 (when gnus-keep-backlog
3131 (gnus-backlog-shutdown))
3132 ;; Kill Gnus buffers.
3133 (while gnus-buffer-list
3134 (gnus-kill-buffer (pop gnus-buffer-list)))
3135 ;; Remove Gnus frames.
3136 (while gnus-created-frames
3137 (when (frame-live-p (car gnus-created-frames))
3138 ;; We slap a condition-case around this `delete-frame' to ensure
3139 ;; agains errors if we try do delete the single frame that's left.
3141 (delete-frame (car gnus-created-frames))
3143 (pop gnus-created-frames)))
3145 (defun gnus-windows-old-to-new (setting)
3146 ;; First we take care of the really, really old Gnus 3 actions.
3147 (when (symbolp setting)
3149 ;; Take care of ooold GNUS 3.x values.
3150 (cond ((eq setting 'SelectArticle) 'article)
3151 ((memq setting '(SelectSubject ExpandSubject)) 'summary)
3152 ((memq setting '(SelectNewsgroup ExitNewsgroup)) 'group)
3154 (if (or (listp setting)
3155 (not (and gnus-window-configuration
3156 (memq setting '(group summary article)))))
3158 (let* ((setting (if (eq setting 'group)
3159 (if (assq 'newsgroup gnus-window-configuration)
3161 'newsgroups) setting))
3162 (elem (cadr (assq setting gnus-window-configuration)))
3163 (total (apply '+ elem))
3164 (types '(group summary article))
3165 (pbuf (if (eq setting 'newsgroups) 'group 'summary))
3170 (or (not (numberp (nth i elem)))
3171 (zerop (nth i elem))
3173 (setq perc (/ (float (nth 0 elem)) total))
3174 (setq out (cons (if (eq pbuf (nth i types))
3175 (vector (nth i types) perc 'point)
3176 (vector (nth i types) perc))
3179 (list (nreverse out)))))
3182 (defun gnus-add-configuration (conf)
3183 "Add the window configuration CONF to `gnus-buffer-configuration'."
3184 (setq gnus-buffer-configuration
3185 (cons conf (delq (assq (car conf) gnus-buffer-configuration)
3186 gnus-buffer-configuration))))
3188 (defvar gnus-frame-list nil)
3190 (defun gnus-configure-frame (split &optional window)
3191 "Split WINDOW according to SPLIT."
3193 (setq window (get-buffer-window (current-buffer))))
3194 (select-window window)
3195 ;; This might be an old-stylee buffer config.
3196 (when (vectorp split)
3197 (setq split (append split nil)))
3198 (when (or (consp (car split))
3199 (vectorp (car split)))
3201 (push 'vertical split))
3202 ;; The SPLIT might be something that is to be evaled to
3203 ;; return a new SPLIT.
3204 (while (and (not (assq (car split) gnus-window-to-buffer))
3205 (gnus-functionp (car split)))
3206 (setq split (eval split)))
3207 (let* ((type (car split))
3209 (len (if (eq type 'horizontal) (window-width) (window-height)))
3211 (window-min-width (or gnus-window-min-width window-min-width))
3212 (window-min-height (or gnus-window-min-height window-min-height))
3213 s result new-win rest comp-subs size sub)
3215 ;; Nothing to do here.
3217 ;; Don't switch buffers.
3219 (and (memq 'point split) window))
3220 ;; This is a buffer to be selected.
3221 ((not (memq type '(frame horizontal vertical)))
3222 (let ((buffer (cond ((stringp type) type)
3223 (t (cdr (assq type gnus-window-to-buffer)))))
3226 (error "Illegal buffer type: %s" type))
3227 (unless (setq buf (get-buffer (if (symbolp buffer)
3228 (symbol-value buffer) buffer)))
3229 (setq buf (get-buffer-create (if (symbolp buffer)
3230 (symbol-value buffer) buffer))))
3231 (switch-to-buffer buf)
3232 ;; We return the window if it has the `point' spec.
3233 (and (memq 'point split) window)))
3234 ;; This is a frame split.
3236 (unless gnus-frame-list
3237 (setq gnus-frame-list (list (window-frame
3238 (get-buffer-window (current-buffer))))))
3240 params frame fresult)
3241 (while (< i (length subs))
3242 ;; Frame parameter is gotten from the sub-split.
3243 (setq params (cadr (elt subs i)))
3244 ;; It should be a list.
3245 (unless (listp params)
3247 ;; Create a new frame?
3248 (unless (setq frame (elt gnus-frame-list i))
3249 (nconc gnus-frame-list (list (setq frame (make-frame params)))))
3250 (push frame gnus-created-frames)
3251 ;; Is the old frame still alive?
3252 (unless (frame-live-p frame)
3253 (setcar (nthcdr i gnus-frame-list)
3254 (setq frame (make-frame params))))
3255 ;; Select the frame in question and do more splits there.
3256 (select-frame frame)
3257 (setq fresult (or (gnus-configure-frame (elt subs i)) fresult))
3259 ;; Select the frame that has the selected buffer.
3261 (select-frame (window-frame fresult)))))
3262 ;; This is a normal split.
3264 (when (> (length subs) 0)
3265 ;; First we have to compute the sizes of all new windows.
3267 (setq sub (append (pop subs) nil))
3268 (while (and (not (assq (car sub) gnus-window-to-buffer))
3269 (gnus-functionp (car sub)))
3270 (setq sub (eval sub)))
3272 (push sub comp-subs)
3273 (setq size (cadar comp-subs))
3274 (cond ((equal size 1.0)
3275 (setq rest (car comp-subs))
3278 (setq s (floor (* size len))))
3282 (error "Illegal size: %s" size)))
3283 ;; Try to make sure that we are inside the safe limits.
3285 ((eq type 'horizontal)
3286 (setq s (max s window-min-width)))
3287 ((eq type 'vertical)
3288 (setq s (max s window-min-height))))
3289 (setcar (cdar comp-subs) s)
3291 ;; Take care of the "1.0" spec.
3293 (setcar (cdr rest) (- len total))
3294 (error "No 1.0 specs in %s" split))
3295 ;; The we do the actual splitting in a nice recursive
3297 (setq comp-subs (nreverse comp-subs))
3299 (if (null (cdr comp-subs))
3300 (setq new-win window)
3302 (split-window window (cadar comp-subs)
3303 (eq type 'horizontal))))
3304 (setq result (or (gnus-configure-frame
3305 (car comp-subs) window) result))
3306 (select-window new-win)
3307 (setq window new-win)
3308 (setq comp-subs (cdr comp-subs))))
3309 ;; Return the proper window, if any.
3311 (select-window result))))))
3313 (defvar gnus-frame-split-p nil)
3315 (defun gnus-configure-windows (setting &optional force)
3316 (setq setting (gnus-windows-old-to-new setting))
3317 (let ((split (if (symbolp setting)
3318 (cadr (assq setting gnus-buffer-configuration))
3320 (in-buf (current-buffer))
3321 rule val w height hor ohor heights sub jump-buffer
3322 rel total to-buf all-visible)
3324 (setq gnus-frame-split-p nil)
3327 (error "No such setting: %s" setting))
3329 (if (and (setq all-visible (gnus-all-windows-visible-p split))
3331 ;; All the windows mentioned are already visible, so we just
3332 ;; put point in the assigned buffer, and do not touch the
3334 (select-window all-visible)
3336 ;; Either remove all windows or just remove all Gnus windows.
3337 (let ((frame (selected-frame)))
3339 (if gnus-use-full-window
3340 ;; We want to remove all other windows.
3341 (if (not gnus-frame-split-p)
3342 ;; This is not a `frame' split, so we ignore the
3344 (delete-other-windows)
3345 ;; This is a `frame' split, so we delete all windows
3349 (unless (eq (cdr (assq 'minibuffer
3350 (frame-parameters frame)))
3352 (select-frame frame)
3353 (delete-other-windows)))
3355 ;; Just remove some windows.
3356 (gnus-remove-some-windows)
3357 (switch-to-buffer nntp-server-buffer))
3358 (select-frame frame)))
3360 (switch-to-buffer nntp-server-buffer)
3361 (gnus-configure-frame split (get-buffer-window (current-buffer))))))
3363 (defun gnus-all-windows-visible-p (split)
3364 (when (vectorp split)
3365 (setq split (append split nil)))
3366 (when (or (consp (car split))
3367 (vectorp (car split)))
3369 (push 'vertical split))
3370 ;; The SPLIT might be something that is to be evaled to
3371 ;; return a new SPLIT.
3372 (while (and (not (assq (car split) gnus-window-to-buffer))
3373 (gnus-functionp (car split)))
3374 (setq split (eval split)))
3375 (let* ((type (elt split 0)))
3379 ((not (or (eq type 'horizontal) (eq type 'vertical) (eq type 'frame)))
3380 (let ((buffer (cond ((stringp type) type)
3381 (t (cdr (assq type gnus-window-to-buffer)))))
3384 (error "Illegal buffer type: %s" type))
3385 (when (setq buf (get-buffer (if (symbolp buffer) (symbol-value buffer)
3387 (setq win (get-buffer-window buf t)))
3389 (if (memq 'point split)
3393 (when (eq type 'frame)
3394 (setq gnus-frame-split-p t))
3395 (let ((n (mapcar 'gnus-all-windows-visible-p
3399 (cond ((windowp (car n))
3406 (defun gnus-window-top-edge (&optional window)
3407 (nth 1 (window-edges window)))
3409 (defun gnus-remove-some-windows ()
3410 (let ((buffers gnus-window-to-buffer)
3411 buf bufs lowest-buf lowest)
3413 ;; Remove windows on all known Gnus buffers.
3415 (setq buf (cdar buffers))
3417 (setq buf (and (boundp buf) (symbol-value buf))))
3419 (get-buffer-window buf)
3421 (setq bufs (cons buf bufs))
3423 (if (or (not lowest)
3424 (< (gnus-window-top-edge) lowest))
3426 (setq lowest (gnus-window-top-edge))
3427 (setq lowest-buf buf)))))
3428 (setq buffers (cdr buffers)))
3429 ;; Remove windows on *all* summary buffers.
3433 (let ((buf (window-buffer win)))
3434 (if (string-match "^\\*Summary" (buffer-name buf))
3436 (setq bufs (cons buf bufs))
3438 (if (or (not lowest)
3439 (< (gnus-window-top-edge) lowest))
3441 (setq lowest-buf buf)
3442 (setq lowest (gnus-window-top-edge))))))))))
3445 (pop-to-buffer lowest-buf)
3446 (switch-to-buffer nntp-server-buffer)))
3448 (and (not (eq (car bufs) lowest-buf))
3449 (delete-windows-on (car bufs)))
3450 (setq bufs (cdr bufs))))))
3452 (defun gnus-version ()
3453 "Version numbers of this version of Gnus."
3455 (let ((methods gnus-valid-select-methods)
3458 ;; Go through all the legal select methods and add their version
3459 ;; numbers to the total version string. Only the backends that are
3460 ;; currently in use will have their message numbers taken into
3463 (setq meth (intern (concat (caar methods) "-version")))
3465 (stringp (symbol-value meth))
3466 (setq mess (concat mess "; " (symbol-value meth))))
3467 (setq methods (cdr methods)))
3468 (gnus-message 2 mess)))
3470 (defun gnus-info-find-node ()
3471 "Find Info documentation of Gnus."
3473 ;; Enlarge info window if needed.
3474 (let ((mode major-mode)
3476 (Info-goto-node (cadr (assq mode gnus-info-nodes)))
3477 (setq gnus-info-buffer (current-buffer))
3478 (gnus-configure-windows 'info)))
3480 (defun gnus-days-between (date1 date2)
3481 ;; Return the number of days between date1 and date2.
3482 (- (gnus-day-number date1) (gnus-day-number date2)))
3484 (defun gnus-day-number (date)
3485 (let ((dat (mapcar (lambda (s) (and s (string-to-int s)) )
3486 (timezone-parse-date date))))
3487 (timezone-absolute-from-gregorian
3488 (nth 1 dat) (nth 2 dat) (car dat))))
3490 (defun gnus-encode-date (date)
3491 "Convert DATE to internal time."
3492 (let* ((parse (timezone-parse-date date))
3493 (date (mapcar (lambda (d) (and d (string-to-int d))) parse))
3494 (time (mapcar 'string-to-int (timezone-parse-time (aref parse 3)))))
3495 (encode-time (caddr time) (cadr time) (car time)
3496 (caddr date) (cadr date) (car date) (nth 4 date))))
3498 (defun gnus-time-minus (t1 t2)
3499 "Subtract two internal times."
3500 (let ((borrow (< (cadr t1) (cadr t2))))
3501 (list (- (car t1) (car t2) (if borrow 1 0))
3502 (- (+ (if borrow 65536 0) (cadr t1)) (cadr t2)))))
3504 (defun gnus-file-newer-than (file date)
3505 (let ((fdate (nth 5 (file-attributes file))))
3506 (or (> (car fdate) (car date))
3507 (and (= (car fdate) (car date))
3508 (> (nth 1 fdate) (nth 1 date))))))
3510 (defmacro gnus-local-set-keys (&rest plist)
3511 "Set the keys in PLIST in the current keymap."
3512 `(gnus-define-keys-1 (current-local-map) ',plist))
3514 (defmacro gnus-define-keys (keymap &rest plist)
3515 "Define all keys in PLIST in KEYMAP."
3516 `(gnus-define-keys-1 (quote ,keymap) (quote ,plist)))
3518 (put 'gnus-define-keys 'lisp-indent-function 1)
3519 (put 'gnus-define-keys 'lisp-indent-hook 1)
3520 (put 'gnus-define-keymap 'lisp-indent-function 1)
3521 (put 'gnus-define-keymap 'lisp-indent-hook 1)
3523 (defmacro gnus-define-keymap (keymap &rest plist)
3524 "Define all keys in PLIST in KEYMAP."
3525 `(gnus-define-keys-1 ,keymap (quote ,plist)))
3527 (defun gnus-define-keys-1 (keymap plist)
3529 (error "Can't set keys in a null keymap"))
3530 (cond ((symbolp keymap)
3531 (setq keymap (symbol-value keymap)))
3534 (set (car keymap) nil)
3535 (define-prefix-command (car keymap))
3536 (define-key (symbol-value (caddr keymap)) (cadr keymap) (car keymap))
3537 (setq keymap (symbol-value (car keymap)))))
3540 (when (symbolp (setq key (pop plist)))
3541 (setq key (symbol-value key)))
3542 (define-key keymap key (pop plist)))))
3544 (defun gnus-group-read-only-p (&optional group)
3545 "Check whether GROUP supports editing or not.
3546 If GROUP is nil, `gnus-newsgroup-name' will be checked instead. Note
3547 that that variable is buffer-local to the summary buffers."
3548 (let ((group (or group gnus-newsgroup-name)))
3549 (not (gnus-check-backend-function 'request-replace-article group))))
3551 (defun gnus-group-total-expirable-p (group)
3552 "Check whether GROUP is total-expirable or not."
3553 (let ((params (gnus-info-params (gnus-get-info group))))
3554 (or (memq 'total-expire params)
3555 (cdr (assq 'total-expire params)) ; (total-expire . t)
3556 (and gnus-total-expirable-newsgroups ; Check var.
3557 (string-match gnus-total-expirable-newsgroups group)))))
3559 (defun gnus-group-auto-expirable-p (group)
3560 "Check whether GROUP is total-expirable or not."
3561 (let ((params (gnus-info-params (gnus-get-info group))))
3562 (or (memq 'auto-expire params)
3563 (cdr (assq 'auto-expire params)) ; (auto-expire . t)
3564 (and gnus-auto-expirable-newsgroups ; Check var.
3565 (string-match gnus-auto-expirable-newsgroups group)))))
3567 (defun gnus-virtual-group-p (group)
3568 "Say whether GROUP is virtual or not."
3569 (memq 'virtual (assoc (symbol-name (car (gnus-find-method-for-group group)))
3570 gnus-valid-select-methods)))
3572 (defsubst gnus-simplify-subject-fully (subject)
3573 "Simplify a subject string according to the user's wishes."
3575 ((null gnus-summary-gather-subject-limit)
3576 (gnus-simplify-subject-re subject))
3577 ((eq gnus-summary-gather-subject-limit 'fuzzy)
3578 (gnus-simplify-subject-fuzzy subject))
3579 ((numberp gnus-summary-gather-subject-limit)
3580 (gnus-limit-string (gnus-simplify-subject-re subject)
3581 gnus-summary-gather-subject-limit))
3585 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
3586 "Check whether two subjects are equal. If optional argument
3587 simple-first is t, first argument is already simplified."
3589 ((null simple-first)
3590 (equal (gnus-simplify-subject-fully s1)
3591 (gnus-simplify-subject-fully s2)))
3594 (gnus-simplify-subject-fully s2)))))
3596 ;; Returns a list of writable groups.
3597 (defun gnus-writable-groups ()
3598 (let ((alist gnus-newsrc-alist)
3600 (while (setq group (car (pop alist)))
3601 (unless (gnus-group-read-only-p group)
3602 (push group groups)))
3605 ;; Two silly functions to ensure that all `y-or-n-p' questions clear
3607 (defun gnus-y-or-n-p (prompt)
3612 (defun gnus-yes-or-no-p (prompt)
3614 (yes-or-no-p prompt)
3617 ;; Check whether to use long file names.
3618 (defun gnus-use-long-file-name (symbol)
3619 ;; The variable has to be set...
3620 (and gnus-use-long-file-name
3621 ;; If it isn't a list, then we return t.
3622 (or (not (listp gnus-use-long-file-name))
3623 ;; If it is a list, and the list contains `symbol', we
3625 (not (memq symbol gnus-use-long-file-name)))))
3627 ;; I suspect there's a better way, but I haven't taken the time to do
3628 ;; it yet. -erik selberg@cs.washington.edu
3629 (defun gnus-dd-mmm (messy-date)
3630 "Return a string like DD-MMM from a big messy string"
3631 (let ((datevec (timezone-parse-date messy-date)))
3633 (or (aref datevec 2) "??")
3636 (nth (1- (string-to-number (aref datevec 1)))
3637 timezone-months-assoc))
3640 ;; Make a hash table (default and minimum size is 255).
3641 ;; Optional argument HASHSIZE specifies the table size.
3642 (defun gnus-make-hashtable (&optional hashsize)
3643 (make-vector (if hashsize (max (gnus-create-hash-size hashsize) 255) 255) 0))
3645 ;; Make a number that is suitable for hashing; bigger than MIN and one
3647 (defun gnus-create-hash-size (min)
3653 ;; Show message if message has a lower level than `gnus-verbose'.
3654 ;; Guideline for numbers:
3655 ;; 1 - error messages, 3 - non-serious error messages, 5 - messages
3656 ;; for things that take a long time, 7 - not very important messages
3657 ;; on stuff, 9 - messages inside loops.
3658 (defun gnus-message (level &rest args)
3659 (if (<= level gnus-verbose)
3660 (apply 'message args)
3661 ;; We have to do this format thingy here even if the result isn't
3662 ;; shown - the return value has to be the same as the return value
3664 (apply 'format args)))
3666 (defun gnus-functionp (form)
3667 "Return non-nil if FORM is funcallable."
3668 (or (and (symbolp form) (fboundp form))
3669 (and (listp form) (eq (car form) 'lambda))))
3671 ;; Generate a unique new group name.
3672 (defun gnus-generate-new-group-name (leaf)
3675 (while (gnus-gethash name gnus-newsrc-hashtb)
3676 (setq name (concat leaf "<" (int-to-string (setq num (1+ num))) ">")))
3679 ;; Find out whether the gnus-visual TYPE is wanted.
3680 (defun gnus-visual-p (&optional type class)
3681 (and gnus-visual ; Has to be non-nil, at least.
3682 (if (not type) ; We don't care about type.
3684 (if (listp gnus-visual) ; It's a list, so we check it.
3685 (or (memq type gnus-visual)
3686 (memq class gnus-visual))
3689 (defun gnus-parent-id (references)
3690 "Return the last Message-ID in REFERENCES."
3691 (when (and references
3692 (string-match "\\(<[^<>]+>\\)[ \t\n]*\\'" references))
3693 (substring references (match-beginning 1) (match-end 1))))
3695 (defun gnus-split-references (references)
3696 "Return a list of Message-IDs in REFERENCES."
3699 (while (string-match "<[^>]+>" references beg)
3700 (push (substring references (match-beginning 0) (setq beg (match-end 0)))
3704 (defun gnus-ephemeral-group-p (group)
3705 "Say whether GROUP is ephemeral or not."
3706 (gnus-group-get-parameter group 'quit-config))
3708 (defun gnus-group-quit-config (group)
3709 "Return the quit-config of GROUP."
3710 (gnus-group-get-parameter group 'quit-config))
3712 (defun gnus-simplify-mode-line ()
3713 "Make mode lines a bit simpler."
3714 (setq mode-line-modified "-- ")
3715 (when (listp mode-line-format)
3716 (make-local-variable 'mode-line-format)
3717 (setq mode-line-format (copy-sequence mode-line-format))
3718 (when (equal (nth 3 mode-line-format) " ")
3719 (setcar (nthcdr 3 mode-line-format) " "))))
3721 ;;; List and range functions
3723 (defun gnus-last-element (list)
3724 "Return last element of LIST."
3726 (setq list (cdr list)))
3729 (defun gnus-copy-sequence (list)
3730 "Do a complete, total copy of a list."
3731 (if (and (consp list) (not (consp (cdr list))))
3732 (cons (car list) (cdr list))
3733 (mapcar (lambda (elem) (if (consp elem)
3734 (if (consp (cdr elem))
3735 (gnus-copy-sequence elem)
3736 (cons (car elem) (cdr elem)))
3740 (defun gnus-set-difference (list1 list2)
3741 "Return a list of elements of LIST1 that do not appear in LIST2."
3742 (let ((list1 (copy-sequence list1)))
3744 (setq list1 (delq (car list2) list1))
3745 (setq list2 (cdr list2)))
3748 (defun gnus-sorted-complement (list1 list2)
3749 "Return a list of elements of LIST1 that do not appear in LIST2.
3750 Both lists have to be sorted over <."
3752 (if (or (null list1) (null list2))
3754 (while (and list1 list2)
3755 (cond ((= (car list1) (car list2))
3756 (setq list1 (cdr list1)
3758 ((< (car list1) (car list2))
3759 (setq out (cons (car list1) out))
3760 (setq list1 (cdr list1)))
3762 (setq out (cons (car list2) out))
3763 (setq list2 (cdr list2)))))
3764 (nconc (nreverse out) (or list1 list2)))))
3766 (defun gnus-intersection (list1 list2)
3769 (if (memq (car list2) list1)
3770 (setq result (cons (car list2) result)))
3771 (setq list2 (cdr list2)))
3774 (defun gnus-sorted-intersection (list1 list2)
3775 ;; LIST1 and LIST2 have to be sorted over <.
3777 (while (and list1 list2)
3778 (cond ((= (car list1) (car list2))
3779 (setq out (cons (car list1) out)
3782 ((< (car list1) (car list2))
3783 (setq list1 (cdr list1)))
3785 (setq list2 (cdr list2)))))
3788 (defun gnus-set-sorted-intersection (list1 list2)
3789 ;; LIST1 and LIST2 have to be sorted over <.
3790 ;; This function modifies LIST1.
3791 (let* ((top (cons nil list1))
3793 (while (and list1 list2)
3794 (cond ((= (car list1) (car list2))
3798 ((< (car list1) (car list2))
3799 (setcdr prev (cdr list1))
3800 (setq list1 (cdr list1)))
3802 (setq list2 (cdr list2)))))
3806 (defun gnus-compress-sequence (numbers &optional always-list)
3807 "Convert list of numbers to a list of ranges or a single range.
3808 If ALWAYS-LIST is non-nil, this function will always release a list of
3810 (let* ((first (car numbers))
3811 (last (car numbers))
3815 (if (not (listp (cdr numbers)))
3818 (cond ((= last (car numbers)) nil) ;Omit duplicated number
3819 ((= (1+ last) (car numbers)) ;Still in sequence
3820 (setq last (car numbers)))
3821 (t ;End of one sequence
3823 (cons (if (= first last) first
3824 (cons first last)) result))
3825 (setq first (car numbers))
3826 (setq last (car numbers))))
3827 (setq numbers (cdr numbers)))
3828 (if (and (not always-list) (null result))
3829 (if (= first last) (list first) (cons first last))
3830 (nreverse (cons (if (= first last) first (cons first last))
3833 (defalias 'gnus-uncompress-sequence 'gnus-uncompress-range)
3834 (defun gnus-uncompress-range (ranges)
3835 "Expand a list of ranges into a list of numbers.
3836 RANGES is either a single range on the form `(num . num)' or a list of
3838 (let (first last result)
3842 ((not (listp (cdr ranges)))
3843 (setq first (car ranges))
3844 (setq last (cdr ranges))
3845 (while (<= first last)
3846 (setq result (cons first result))
3847 (setq first (1+ first)))
3851 (if (atom (car ranges))
3852 (if (numberp (car ranges))
3853 (setq result (cons (car ranges) result)))
3854 (setq first (caar ranges))
3855 (setq last (cdar ranges))
3856 (while (<= first last)
3857 (setq result (cons first result))
3858 (setq first (1+ first))))
3859 (setq ranges (cdr ranges)))
3860 (nreverse result)))))
3862 (defun gnus-add-to-range (ranges list)
3863 "Return a list of ranges that has all articles from both RANGES and LIST.
3864 Note: LIST has to be sorted over `<'."
3866 (gnus-compress-sequence list t)
3867 (setq list (copy-sequence list))
3868 (or (listp (cdr ranges))
3869 (setq ranges (list ranges)))
3871 ilist lowest highest temp)
3872 (while (and ranges list)
3874 (setq lowest (or (and (atom (car ranges)) (car ranges))
3876 (while (and list (cdr list) (< (cadr list) lowest))
3877 (setq list (cdr list)))
3878 (if (< (car ilist) lowest)
3881 (setq list (cdr list))
3883 (setq out (nconc (gnus-compress-sequence ilist t) out))))
3884 (setq highest (or (and (atom (car ranges)) (car ranges))
3886 (while (and list (<= (car list) highest))
3887 (setq list (cdr list)))
3888 (setq ranges (cdr ranges)))
3890 (setq out (nconc (gnus-compress-sequence list t) out)))
3891 (setq out (sort out (lambda (r1 r2)
3892 (< (or (and (atom r1) r1) (car r1))
3893 (or (and (atom r2) r2) (car r2))))))
3896 (if (atom (car ranges))
3898 (if (atom (cadr ranges))
3899 (if (= (1+ (car ranges)) (cadr ranges))
3901 (setcar ranges (cons (car ranges)
3903 (setcdr ranges (cddr ranges))))
3904 (if (= (1+ (car ranges)) (caadr ranges))
3906 (setcar (cadr ranges) (car ranges))
3907 (setcar ranges (cadr ranges))
3908 (setcdr ranges (cddr ranges))))))
3910 (if (atom (cadr ranges))
3911 (if (= (1+ (cdar ranges)) (cadr ranges))
3913 (setcdr (car ranges) (cadr ranges))
3914 (setcdr ranges (cddr ranges))))
3915 (if (= (1+ (cdar ranges)) (caadr ranges))
3917 (setcdr (car ranges) (cdadr ranges))
3918 (setcdr ranges (cddr ranges)))))))
3919 (setq ranges (cdr ranges)))
3922 (defun gnus-remove-from-range (ranges list)
3923 "Return a list of ranges that has all articles from LIST removed from RANGES.
3924 Note: LIST has to be sorted over `<'."
3925 ;; !!! This function shouldn't look like this, but I've got a headache.
3926 (gnus-compress-sequence
3927 (gnus-sorted-complement
3928 (gnus-uncompress-range ranges) list)))
3930 (defun gnus-member-of-range (number ranges)
3931 (if (not (listp (cdr ranges)))
3932 (and (>= number (car ranges))
3933 (<= number (cdr ranges)))
3936 (if (numberp (car ranges))
3937 (>= number (car ranges))
3938 (>= number (caar ranges)))
3940 (if (if (numberp (car ranges))
3941 (= number (car ranges))
3942 (and (>= number (caar ranges))
3943 (<= number (cdar ranges))))
3944 (setq not-stop nil))
3945 (setq ranges (cdr ranges)))
3948 (defun gnus-range-length (range)
3949 "Return the length RANGE would have if uncompressed."
3950 (length (gnus-uncompress-range range)))
3952 (defun gnus-sublist-p (list sublist)
3953 "Test whether all elements in SUBLIST are members of LIST."
3956 (unless (memq (pop sublist) list)
3966 (defvar gnus-group-mode-map nil)
3967 (put 'gnus-group-mode 'mode-class 'special)
3969 (unless gnus-group-mode-map
3970 (setq gnus-group-mode-map (make-keymap))
3971 (suppress-keymap gnus-group-mode-map)
3973 (gnus-define-keys gnus-group-mode-map
3974 " " gnus-group-read-group
3975 "=" gnus-group-select-group
3976 "\M- " gnus-group-unhidden-select-group
3977 "\r" gnus-group-select-group
3978 "\M-\r" gnus-group-quick-select-group
3979 "j" gnus-group-jump-to-group
3980 "n" gnus-group-next-unread-group
3981 "p" gnus-group-prev-unread-group
3982 "\177" gnus-group-prev-unread-group
3983 [delete] gnus-group-prev-unread-group
3984 "N" gnus-group-next-group
3985 "P" gnus-group-prev-group
3986 "\M-n" gnus-group-next-unread-group-same-level
3987 "\M-p" gnus-group-prev-unread-group-same-level
3988 "," gnus-group-best-unread-group
3989 "." gnus-group-first-unread-group
3990 "u" gnus-group-unsubscribe-current-group
3991 "U" gnus-group-unsubscribe-group
3992 "c" gnus-group-catchup-current
3993 "C" gnus-group-catchup-current-all
3994 "l" gnus-group-list-groups
3995 "L" gnus-group-list-all-groups
3997 "g" gnus-group-get-new-news
3998 "\M-g" gnus-group-get-new-news-this-group
3999 "R" gnus-group-restart
4000 "r" gnus-group-read-init-file
4001 "B" gnus-group-browse-foreign-server
4002 "b" gnus-group-check-bogus-groups
4003 "F" gnus-find-new-newsgroups
4004 "\C-c\C-d" gnus-group-describe-group
4005 "\M-d" gnus-group-describe-all-groups
4006 "\C-c\C-a" gnus-group-apropos
4007 "\C-c\M-\C-a" gnus-group-description-apropos
4008 "a" gnus-group-post-news
4009 "\ek" gnus-group-edit-local-kill
4010 "\eK" gnus-group-edit-global-kill
4011 "\C-k" gnus-group-kill-group
4012 "\C-y" gnus-group-yank-group
4013 "\C-w" gnus-group-kill-region
4014 "\C-x\C-t" gnus-group-transpose-groups
4015 "\C-c\C-l" gnus-group-list-killed
4016 "\C-c\C-x" gnus-group-expire-articles
4017 "\C-c\M-\C-x" gnus-group-expire-all-groups
4019 "s" gnus-group-save-newsrc
4020 "z" gnus-group-suspend
4021 "Z" gnus-group-clear-dribble
4024 "?" gnus-group-describe-briefly
4025 "\C-c\C-i" gnus-info-find-node
4026 "\M-e" gnus-group-edit-group-method
4027 "^" gnus-group-enter-server-mode
4028 gnus-mouse-2 gnus-mouse-pick-group
4029 "<" beginning-of-buffer
4032 "\C-c\C-s" gnus-group-sort-groups
4034 "\C-c\M-g" gnus-activate-all-groups
4035 "\M-&" gnus-group-universal-argument
4036 "#" gnus-group-mark-group
4037 "\M-#" gnus-group-unmark-group)
4039 (gnus-define-keys (gnus-group-mark-map "M" gnus-group-mode-map)
4040 "m" gnus-group-mark-group
4041 "u" gnus-group-unmark-group
4042 "w" gnus-group-mark-region
4043 "m" gnus-group-mark-buffer
4044 "r" gnus-group-mark-regexp
4045 "U" gnus-group-unmark-all-groups)
4047 (gnus-define-keys (gnus-group-group-map "G" gnus-group-mode-map)
4048 "d" gnus-group-make-directory-group
4049 "h" gnus-group-make-help-group
4050 "a" gnus-group-make-archive-group
4051 "k" gnus-group-make-kiboze-group
4052 "m" gnus-group-make-group
4053 "E" gnus-group-edit-group
4054 "e" gnus-group-edit-group-method
4055 "p" gnus-group-edit-group-parameters
4056 "v" gnus-group-add-to-virtual
4057 "V" gnus-group-make-empty-virtual
4058 "D" gnus-group-enter-directory
4059 "f" gnus-group-make-doc-group
4060 "r" gnus-group-rename-group
4061 "\177" gnus-group-delete-group
4062 [delete] gnus-group-delete-group)
4064 (gnus-define-keys (gnus-group-soup-map "s" gnus-group-group-map)
4065 "b" gnus-group-brew-soup
4066 "w" gnus-soup-save-areas
4067 "s" gnus-soup-send-replies
4068 "p" gnus-soup-pack-packet
4069 "r" nnsoup-pack-replies)
4071 (gnus-define-keys (gnus-group-sort-map "S" gnus-group-group-map)
4072 "s" gnus-group-sort-groups
4073 "a" gnus-group-sort-groups-by-alphabet
4074 "u" gnus-group-sort-groups-by-unread
4075 "l" gnus-group-sort-groups-by-level
4076 "v" gnus-group-sort-groups-by-score
4077 "r" gnus-group-sort-groups-by-rank
4078 "m" gnus-group-sort-groups-by-method)
4080 (gnus-define-keys (gnus-group-list-map "A" gnus-group-mode-map)
4081 "k" gnus-group-list-killed
4082 "z" gnus-group-list-zombies
4083 "s" gnus-group-list-groups
4084 "u" gnus-group-list-all-groups
4085 "A" gnus-group-list-active
4086 "a" gnus-group-apropos
4087 "d" gnus-group-description-apropos
4088 "m" gnus-group-list-matching
4089 "M" gnus-group-list-all-matching
4090 "l" gnus-group-list-level)
4092 (gnus-define-keys (gnus-group-score-map "W" gnus-group-mode-map)
4093 "f" gnus-score-flush-cache)
4095 (gnus-define-keys (gnus-group-help-map "H" gnus-group-mode-map)
4096 "f" gnus-group-fetch-faq)
4098 (gnus-define-keys (gnus-group-sub-map "S" gnus-group-mode-map)
4099 "l" gnus-group-set-current-level
4100 "t" gnus-group-unsubscribe-current-group
4101 "s" gnus-group-unsubscribe-group
4102 "k" gnus-group-kill-group
4103 "y" gnus-group-yank-group
4104 "w" gnus-group-kill-region
4105 "\C-k" gnus-group-kill-level
4106 "z" gnus-group-kill-all-zombies))
4108 (defun gnus-group-mode ()
4109 "Major mode for reading news.
4111 All normal editing commands are switched off.
4112 \\<gnus-group-mode-map>
4113 The group buffer lists (some of) the groups available. For instance,
4114 `\\[gnus-group-list-groups]' will list all subscribed groups with unread articles, while `\\[gnus-group-list-zombies]'
4115 lists all zombie groups.
4117 Groups that are displayed can be entered with `\\[gnus-group-read-group]'. To subscribe
4118 to a group not displayed, type `\\[gnus-group-unsubscribe-group]'.
4120 For more in-depth information on this mode, read the manual (`\\[gnus-info-find-node]').
4122 The following commands are available:
4124 \\{gnus-group-mode-map}"
4126 (when (and menu-bar-mode
4127 (gnus-visual-p 'group-menu 'menu))
4128 (gnus-group-make-menu-bar))
4129 (kill-all-local-variables)
4130 (gnus-simplify-mode-line)
4131 (setq major-mode 'gnus-group-mode)
4132 (setq mode-name "Group")
4133 (gnus-group-set-mode-line)
4134 (setq mode-line-process nil)
4135 (use-local-map gnus-group-mode-map)
4136 (buffer-disable-undo (current-buffer))
4137 (setq truncate-lines t)
4138 (setq buffer-read-only t)
4139 (run-hooks 'gnus-group-mode-hook))
4141 (defun gnus-mouse-pick-group (e)
4142 "Enter the group under the mouse pointer."
4145 (gnus-group-read-group nil))
4147 ;; Look at LEVEL and find out what the level is really supposed to be.
4148 ;; If LEVEL is non-nil, LEVEL will be returned, if not, what happens
4149 ;; will depend on whether `gnus-group-use-permanent-levels' is used.
4150 (defun gnus-group-default-level (&optional level number-or-nil)
4152 (gnus-group-use-permanent-levels
4153 (setq gnus-group-default-list-level
4154 (or level gnus-group-default-list-level))
4155 (or gnus-group-default-list-level gnus-level-subscribed))
4159 (or level gnus-group-default-list-level gnus-level-subscribed))))
4162 (defun gnus-slave-no-server (&optional arg)
4163 "Read network news as a slave, without connecting to local server"
4165 (gnus-no-server arg t))
4168 (defun gnus-no-server (&optional arg slave)
4170 If ARG is a positive number, Gnus will use that as the
4171 startup level. If ARG is nil, Gnus will be started at level 2.
4172 If ARG is non-nil and not a positive number, Gnus will
4173 prompt the user for the name of an NNTP server to use.
4174 As opposed to `gnus', this command will not connect to the local server."
4176 (make-local-variable 'gnus-group-use-permanent-levels)
4177 (setq gnus-group-use-permanent-levels t)
4178 (gnus (or arg (1- gnus-level-default-subscribed)) t slave))
4181 (defun gnus-slave (&optional arg)
4182 "Read news as a slave."
4184 (gnus arg nil 'slave))
4187 (defun gnus-other-frame (&optional arg)
4188 "Pop up a frame to read news."
4190 (if (get-buffer gnus-group-buffer)
4191 (let ((pop-up-frames t))
4193 (select-frame (make-frame))
4197 (defun gnus (&optional arg dont-connect slave)
4199 If ARG is non-nil and a positive number, Gnus will use that as the
4200 startup level. If ARG is non-nil and not a positive number, Gnus will
4201 prompt the user for the name of an NNTP server to use."
4204 (if (get-buffer gnus-group-buffer)
4206 (switch-to-buffer gnus-group-buffer)
4207 (gnus-group-get-new-news))
4210 (nnheader-init-server-buffer)
4211 (gnus-read-init-file)
4212 (setq gnus-slave slave)
4214 (gnus-group-setup-buffer)
4215 (let ((buffer-read-only nil))
4217 (if (not gnus-inhibit-startup-message)
4219 (gnus-group-startup-message)
4222 (let ((level (and (numberp arg) (> arg 0) arg))
4228 (gnus-start-news-server (and arg (not level))))))
4229 (if (and (not dont-connect)
4232 (run-hooks 'gnus-startup-hook)
4233 ;; NNTP server is successfully open.
4235 ;; Find the current startup file name.
4236 (setq gnus-current-startup-file
4237 (gnus-make-newsrc-file gnus-startup-file))
4239 ;; Read the dribble file.
4240 (and (or gnus-slave gnus-use-dribble-file) (gnus-dribble-read-file))
4242 ;; Allow using GroupLens predictions.
4243 (when gnus-use-grouplens
4245 (add-hook 'gnus-summary-mode-hook 'gnus-grouplens-mode))
4247 (gnus-summary-make-display-table)
4248 ;; Do the actual startup.
4249 (gnus-setup-news nil level)
4250 ;; Generate the group buffer.
4251 (gnus-group-list-groups level)
4252 (gnus-group-first-unread-group)
4253 (gnus-configure-windows 'group)
4254 (gnus-group-set-mode-line))))))
4256 (defun gnus-unload ()
4257 "Unload all Gnus features."
4259 (or (boundp 'load-history)
4260 (error "Sorry, `gnus-unload' is not implemented in this Emacs version."))
4261 (let ((history load-history)
4264 (and (string-match "^\\(gnus\\|nn\\)" (caar history))
4265 (setq feature (cdr (assq 'provide (car history))))
4266 (unload-feature feature 'force))
4267 (setq history (cdr history)))))
4269 (defun gnus-compile ()
4270 "Byte-compile the user-defined format specs."
4272 (let ((entries gnus-format-specs)
4273 entry gnus-tmp-func)
4275 (gnus-message 7 "Compiling format specs...")
4278 (setq entry (pop entries))
4279 (if (eq (car entry) 'version)
4280 (setq gnus-format-specs (delq entry gnus-format-specs))
4281 (when (and (listp (caddr entry))
4282 (not (eq 'byte-code (caaddr entry))))
4283 (fset 'gnus-tmp-func
4284 `(lambda () ,(caddr entry)))
4285 (byte-compile 'gnus-tmp-func)
4286 (setcar (cddr entry) (gnus-byte-code 'gnus-tmp-func)))))
4288 (push (cons 'version emacs-version) gnus-format-specs)
4290 (gnus-message 7 "Compiling user specs...done"))))
4292 (defun gnus-indent-rigidly (start end arg)
4293 "Indent rigidly using only spaces and no tabs."
4296 (narrow-to-region start end)
4297 (indent-rigidly start end arg)
4298 (goto-char (point-min))
4299 (while (search-forward "\t" nil t)
4300 (replace-match " " t t)))))
4302 (defun gnus-group-startup-message (&optional x y)
4303 "Insert startup message in current buffer."
4304 ;; Insert the message.
4309 _ ___ __ ___ __ _ ___
4328 ;; And then hack it.
4329 (gnus-indent-rigidly (point-min) (point-max)
4330 (/ (max (- (window-width) (or x 46)) 0) 2))
4331 (goto-char (point-min))
4333 (let* ((pheight (count-lines (point-min) (point-max)))
4334 (wheight (window-height))
4335 (rest (- wheight pheight)))
4336 (insert (make-string (max 0 (* 2 (/ rest 3))) ?\n)))
4338 (goto-char (point-min))
4339 (and (search-forward "Praxis" nil t)
4340 (put-text-property (match-beginning 0) (match-end 0) 'face 'bold))
4341 (goto-char (point-min))
4342 (let* ((mode-string (gnus-group-set-mode-line)))
4343 (setq mode-line-buffer-identification
4344 (list (concat gnus-version (substring (car mode-string) 4))))
4345 (set-buffer-modified-p t)))
4347 (defun gnus-group-setup-buffer ()
4348 (or (get-buffer gnus-group-buffer)
4350 (switch-to-buffer gnus-group-buffer)
4351 (gnus-add-current-to-buffer-list)
4353 (and gnus-carpal (gnus-carpal-setup-buffer 'group)))))
4355 (defun gnus-group-list-groups (&optional level unread lowest)
4356 "List newsgroups with level LEVEL or lower that have unread articles.
4357 Default is all subscribed groups.
4358 If argument UNREAD is non-nil, groups with no unread articles are also
4360 (interactive (list (if current-prefix-arg
4361 (prefix-numeric-value current-prefix-arg)
4363 (gnus-group-default-level nil t)
4364 gnus-group-default-list-level
4365 gnus-level-subscribed))))
4367 (setq level (car gnus-group-list-mode)
4368 unread (cdr gnus-group-list-mode)))
4369 (setq level (gnus-group-default-level level))
4370 (gnus-group-setup-buffer) ;May call from out of group buffer
4371 (gnus-update-format-specifications)
4372 (let ((case-fold-search nil)
4373 (props (text-properties-at (gnus-point-at-bol)))
4374 (group (gnus-group-group-name)))
4375 (funcall gnus-group-prepare-function level unread lowest)
4376 (if (zerop (buffer-size))
4377 (gnus-message 5 gnus-no-groups-message)
4378 (goto-char (point-max))
4379 (when (or (not gnus-group-goto-next-group-function)
4380 (not (funcall gnus-group-goto-next-group-function
4383 ;; Go to the first group with unread articles.
4384 (gnus-group-search-forward t)
4385 ;; Find the right group to put point on. If the current group
4386 ;; has disappeared in the new listing, try to find the next
4387 ;; one. If no next one can be found, just leave point at the
4388 ;; first newsgroup in the buffer.
4389 (if (not (gnus-goto-char
4391 (point-min) (point-max)
4392 'gnus-group (gnus-intern-safe group gnus-active-hashtb))))
4393 (let ((newsrc (cdddr (gnus-gethash group gnus-newsrc-hashtb))))
4395 (not (gnus-goto-char
4397 (point-min) (point-max) 'gnus-group
4399 (caar newsrc) gnus-active-hashtb)))))
4400 (setq newsrc (cdr newsrc)))
4401 (or newsrc (progn (goto-char (point-max))
4402 (forward-line -1)))))))
4403 ;; Adjust cursor point.
4404 (gnus-group-position-point))))
4406 (defun gnus-group-list-level (level &optional all)
4407 "List groups on LEVEL.
4408 If ALL (the prefix), also list groups that have no unread articles."
4409 (interactive "nList groups on level: \nP")
4410 (gnus-group-list-groups level all level))
4412 (defun gnus-group-prepare-flat (level &optional all lowest regexp)
4413 "List all newsgroups with unread articles of level LEVEL or lower.
4414 If ALL is non-nil, list groups that have no unread articles.
4415 If LOWEST is non-nil, list all newsgroups of level LOWEST or higher.
4416 If REGEXP, only list groups matching REGEXP."
4417 (set-buffer gnus-group-buffer)
4418 (let ((buffer-read-only nil)
4419 (newsrc (cdr gnus-newsrc-alist))
4420 (lowest (or lowest 1))
4421 info clevel unread group params)
4423 (if (< lowest gnus-level-zombie)
4424 ;; List living groups.
4426 (setq info (car newsrc)
4427 group (gnus-info-group info)
4428 params (gnus-info-params info)
4430 unread (car (gnus-gethash group gnus-newsrc-hashtb)))
4431 (and unread ; This group might be bogus
4433 (string-match regexp group))
4434 (<= (setq clevel (gnus-info-level info)) level)
4436 (or all ; We list all groups?
4437 (and gnus-group-list-inactive-groups
4438 (eq unread t)) ; We list unactivated groups
4439 (> unread 0) ; We list groups with unread articles
4440 (and gnus-list-groups-with-ticked-articles
4441 (cdr (assq 'tick (gnus-info-marks info))))
4442 ; And groups with tickeds
4443 ;; Check for permanent visibility.
4444 (and gnus-permanently-visible-groups
4445 (string-match gnus-permanently-visible-groups
4447 (memq 'visible params)
4448 (cdr (assq 'visible params)))
4449 (gnus-group-insert-group-line
4450 group (gnus-info-level info)
4451 (gnus-info-marks info) unread (gnus-info-method info)))))
4453 ;; List dead groups.
4454 (and (>= level gnus-level-zombie) (<= lowest gnus-level-zombie)
4455 (gnus-group-prepare-flat-list-dead
4456 (setq gnus-zombie-list (sort gnus-zombie-list 'string<))
4457 gnus-level-zombie ?Z
4459 (and (>= level gnus-level-killed) (<= lowest gnus-level-killed)
4460 (gnus-group-prepare-flat-list-dead
4461 (setq gnus-killed-list (sort gnus-killed-list 'string<))
4462 gnus-level-killed ?K regexp))
4464 (gnus-group-set-mode-line)
4465 (setq gnus-group-list-mode (cons level all))
4466 (run-hooks 'gnus-group-prepare-hook)))
4468 (defun gnus-group-prepare-flat-list-dead (groups level mark regexp)
4469 ;; List zombies and killed lists somewhat faster, which was
4470 ;; suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>. It does
4471 ;; this by ignoring the group format specification altogether.
4474 ;; This loop is used when listing groups that match some
4477 (setq group (pop groups))
4478 (when (string-match regexp group)
4479 (add-text-properties
4480 (point) (prog1 (1+ (point))
4481 (insert " " mark " *: " group "\n"))
4482 (list 'gnus-group (gnus-intern-safe group gnus-active-hashtb)
4484 'gnus-level level))))
4485 ;; This loop is used when listing all groups.
4487 (add-text-properties
4488 (point) (prog1 (1+ (point))
4489 (insert " " mark " *: "
4490 (setq group (pop groups)) "\n"))
4491 (list 'gnus-group (gnus-intern-safe group gnus-active-hashtb)
4493 'gnus-level level))))))
4495 (defmacro gnus-group-real-name (group)
4496 "Find the real name of a foreign newsgroup."
4497 `(let ((gname ,group))
4498 (if (string-match ":[^:]+$" gname)
4499 (substring gname (1+ (match-beginning 0)))
4502 (defsubst gnus-server-add-address (method)
4503 (let ((method-name (symbol-name (car method))))
4504 (if (and (memq 'address (assoc method-name gnus-valid-select-methods))
4505 (not (assq (intern (concat method-name "-address")) method)))
4506 (append method (list (list (intern (concat method-name "-address"))
4510 (defsubst gnus-server-get-method (group method)
4511 ;; Input either a server name, and extended server name, or a
4512 ;; select method, and return a select method.
4513 (cond ((stringp method)
4514 (gnus-server-to-method method))
4515 ((and (stringp (car method)) group)
4516 (gnus-server-extend-method group method))
4518 (gnus-server-add-address method))))
4520 (defun gnus-server-to-method (server)
4521 "Map virtual server names to select methods."
4523 ;; Perhaps this is the native server?
4524 (and (equal server "native") gnus-select-method)
4525 ;; It should be in the server alist.
4526 (cdr (assoc server gnus-server-alist))
4527 ;; If not, we look through all the opened server
4528 ;; to see whether we can find it there.
4529 (let ((opened gnus-opened-servers))
4531 (not (equal server (format "%s:%s" (caaar opened)
4536 (defmacro gnus-server-equal (ss1 ss2)
4537 "Say whether two servers are equal."
4541 (and (= (length s1) (length s2))
4543 (while (and s1 (member (car s1) s2))
4547 (defun gnus-group-prefixed-name (group method)
4548 "Return the whole name from GROUP and METHOD."
4549 (and (stringp method) (setq method (gnus-server-to-method method)))
4550 (concat (format "%s" (car method))
4552 (or (assoc (format "%s" (car method))
4553 (gnus-methods-using 'address))
4554 (equal method gnus-message-archive-method))
4555 (not (string= (nth 1 method) "")))
4556 (concat "+" (nth 1 method)))
4559 (defun gnus-group-real-prefix (group)
4560 "Return the prefix of the current group name."
4561 (if (string-match "^[^:]+:" group)
4562 (substring group 0 (match-end 0))
4565 (defun gnus-group-method (group)
4566 "Return the server or method used for selecting GROUP."
4567 (let ((prefix (gnus-group-real-prefix group)))
4568 (if (equal prefix "")
4570 (let ((servers gnus-opened-servers)
4572 backend possible found)
4573 (if (string-match "^[^\\+]+\\+" prefix)
4574 (setq backend (intern (substring prefix 0 (1- (match-end 0))))
4575 server (substring prefix (match-end 0) (1- (length prefix))))
4576 (setq backend (intern (substring prefix 0 (1- (length prefix))))))
4578 (when (eq (caaar servers) backend)
4579 (setq possible (caar servers))
4580 (when (equal (cadaar servers) server)
4581 (setq found (caar servers))))
4583 (or (car (rassoc found gnus-server-alist))
4585 (car (rassoc possible gnus-server-alist))
4587 (list backend server))))))
4589 (defsubst gnus-secondary-method-p (method)
4590 "Return whether METHOD is a secondary select method."
4591 (let ((methods gnus-secondary-select-methods)
4592 (gmethod (gnus-server-get-method nil method)))
4594 (not (equal (gnus-server-get-method nil (car methods))
4596 (setq methods (cdr methods)))
4599 (defun gnus-group-foreign-p (group)
4600 "Say whether a group is foreign or not."
4601 (and (not (gnus-group-native-p group))
4602 (not (gnus-group-secondary-p group))))
4604 (defun gnus-group-native-p (group)
4605 "Say whether the group is native or not."
4606 (not (string-match ":" group)))
4608 (defun gnus-group-secondary-p (group)
4609 "Say whether the group is secondary or not."
4610 (gnus-secondary-method-p (gnus-find-method-for-group group)))
4612 (defun gnus-group-get-parameter (group &optional symbol)
4613 "Returns the group parameters for GROUP.
4614 If SYMBOL, return the value of that symbol in the group parameters."
4615 (let ((params (gnus-info-params (gnus-get-info group))))
4617 (gnus-group-parameter-value params symbol)
4620 (defun gnus-group-parameter-value (params symbol)
4621 "Return the value of SYMBOL in group PARAMS."
4622 (or (car (memq symbol params)) ; It's either a simple symbol
4623 (cdr (assq symbol params)))) ; or a cons.
4625 (defun gnus-group-add-parameter (group param)
4626 "Add parameter PARAM to GROUP."
4627 (let ((info (gnus-get-info group)))
4629 () ; This is a dead group. We just ignore it.
4630 ;; Cons the new param to the old one and update.
4631 (gnus-group-set-info (cons param (gnus-info-params info))
4634 (defun gnus-group-set-parameter (group name value)
4635 "Set parameter NAME to VALUE in GROUP."
4636 (let ((info (gnus-get-info group)))
4638 () ; This is a dead group. We just ignore it.
4639 (let ((old-params (gnus-info-params info))
4640 (new-params (list (cons name value))))
4642 (if (or (not (listp (car old-params)))
4643 (not (eq (caar old-params) name)))
4644 (setq new-params (append new-params (list (car old-params)))))
4645 (setq old-params (cdr old-params)))
4646 (gnus-group-set-info new-params group 'params)))))
4648 (defun gnus-group-add-score (group &optional score)
4649 "Add SCORE to the GROUP score.
4650 If SCORE is nil, add 1 to the score of GROUP."
4651 (let ((info (gnus-get-info group)))
4652 (gnus-info-set-score info (+ (gnus-info-score info) (or score 1)))))
4654 (defun gnus-summary-bubble-group ()
4655 "Increase the score of the current group.
4656 This is a handy function to add to `gnus-summary-exit-hook' to
4657 increase the score of each group you read."
4658 (gnus-group-add-score gnus-newsgroup-name))
4660 (defun gnus-group-set-info (info &optional method-only-group part)
4661 (let* ((entry (gnus-gethash
4662 (or method-only-group (gnus-info-group info))
4663 gnus-newsrc-hashtb))
4665 (info (if method-only-group (nth 2 entry) info)))
4666 (when method-only-group
4668 (error "Trying to change non-existent group %s" method-only-group))
4669 ;; We have received parts of the actual group info - either the
4670 ;; select method or the group parameters. We first check
4671 ;; whether we have to extend the info, and if so, do that.
4672 (let ((len (length info))
4673 (total (if (eq part 'method) 5 6)))
4675 (setcdr (nthcdr (1- len) info)
4676 (make-list (- total len) nil)))
4677 ;; Then we enter the new info.
4678 (setcar (nthcdr (1- total) info) part-info)))
4680 ;; This is a new group, so we just create it.
4682 (set-buffer gnus-group-buffer)
4683 (if (gnus-info-method info)
4684 ;; It's a foreign group...
4685 (gnus-group-make-group
4686 (gnus-group-real-name (gnus-info-group info))
4687 (prin1-to-string (car (gnus-info-method info)))
4688 (nth 1 (gnus-info-method info)))
4689 ;; It's a native group.
4690 (gnus-group-make-group (gnus-info-group info)))
4691 (gnus-message 6 "Note: New group created")
4693 (gnus-gethash (gnus-group-prefixed-name
4694 (gnus-group-real-name (gnus-info-group info))
4695 (or (gnus-info-method info) gnus-select-method))
4696 gnus-newsrc-hashtb))))
4697 ;; Whether it was a new group or not, we now have the entry, so we
4698 ;; can do the update.
4701 (setcar (nthcdr 2 entry) info)
4702 (when (and (not (eq (car entry) t))
4703 (gnus-active (gnus-info-group info)))
4704 (let ((marked (gnus-info-marks info)))
4705 (setcar entry (length (gnus-list-of-unread-articles
4707 (error "No such group: %s" (gnus-info-group info)))))
4709 (defun gnus-group-set-method-info (group select-method)
4710 (gnus-group-set-info select-method group 'method))
4712 (defun gnus-group-set-params-info (group params)
4713 (gnus-group-set-info params group 'params))
4715 (defun gnus-group-update-group-line ()
4716 "Update the current line in the group buffer."
4717 (let* ((buffer-read-only nil)
4718 (group (gnus-group-group-name))
4719 (gnus-group-indentation (gnus-group-group-indentation))
4720 (entry (and group (gnus-gethash group gnus-newsrc-hashtb))))
4722 (not (gnus-ephemeral-group-p group))
4724 (concat "(gnus-group-set-info '"
4725 (prin1-to-string (nth 2 entry)) ")")))
4727 (gnus-group-insert-group-line-info group)
4729 (gnus-group-position-point)))
4731 (defun gnus-group-insert-group-line-info (group)
4732 "Insert GROUP on the current line."
4733 (let ((entry (gnus-gethash group gnus-newsrc-hashtb))
4737 ;; (Un)subscribed group.
4738 (setq info (nth 2 entry))
4739 (gnus-group-insert-group-line
4740 group (gnus-info-level info) (gnus-info-marks info)
4741 (or (car entry) t) (gnus-info-method info)))
4742 ;; This group is dead.
4743 (gnus-group-insert-group-line
4745 (if (member group gnus-zombie-list) gnus-level-zombie gnus-level-killed)
4747 (if (setq active (gnus-active group))
4748 (- (1+ (cdr active)) (car active)) 0)
4751 (defun gnus-group-insert-group-line
4752 (gnus-tmp-group gnus-tmp-level gnus-tmp-marked number
4754 "Insert a group line in the group buffer."
4755 (let* ((gnus-tmp-active (gnus-active gnus-tmp-group))
4756 (gnus-tmp-number-total
4758 (1+ (- (cdr gnus-tmp-active) (car gnus-tmp-active)))
4760 (gnus-tmp-number-of-unread
4761 (if (numberp number) (int-to-string (max 0 number))
4763 (gnus-tmp-number-of-read
4764 (if (numberp number)
4765 (int-to-string (max 0 (- gnus-tmp-number-total number)))
4767 (gnus-tmp-subscribed
4768 (cond ((<= gnus-tmp-level gnus-level-subscribed) ? )
4769 ((<= gnus-tmp-level gnus-level-unsubscribed) ?U)
4770 ((= gnus-tmp-level gnus-level-zombie) ?Z)
4772 (gnus-tmp-qualified-group (gnus-group-real-name gnus-tmp-group))
4773 (gnus-tmp-newsgroup-description
4774 (if gnus-description-hashtb
4775 (or (gnus-gethash gnus-tmp-group gnus-description-hashtb) "")
4778 (if (member gnus-tmp-group gnus-moderated-list) ?m ? ))
4779 (gnus-tmp-moderated-string
4780 (if (eq gnus-tmp-moderated ?m) "(m)" ""))
4782 (gnus-server-get-method gnus-tmp-group gnus-tmp-method))
4783 (gnus-tmp-news-server (or (cadr gnus-tmp-method) ""))
4784 (gnus-tmp-news-method (or (car gnus-tmp-method) ""))
4785 (gnus-tmp-news-method-string
4787 (format "(%s:%s)" (car gnus-tmp-method)
4788 (cadr gnus-tmp-method)) ""))
4789 (gnus-tmp-marked-mark
4790 (if (and (numberp number)
4792 (cdr (assq 'tick gnus-tmp-marked)))
4794 (gnus-tmp-process-marked
4795 (if (member gnus-tmp-group gnus-group-marked)
4796 gnus-process-mark ? ))
4798 (or (and gnus-use-grouplens
4799 (bbb-grouplens-group-p gnus-tmp-group))
4801 (buffer-read-only nil)
4802 header gnus-tmp-header) ; passed as parameter to user-funcs.
4804 (add-text-properties
4808 (eval gnus-group-line-format-spec))
4809 `(gnus-group ,(gnus-intern-safe gnus-tmp-group gnus-active-hashtb)
4810 gnus-unread ,(if (numberp number)
4811 (string-to-int gnus-tmp-number-of-unread)
4813 gnus-marked ,gnus-tmp-marked-mark
4814 gnus-indentation ,gnus-group-indentation
4815 gnus-level ,gnus-tmp-level))
4816 (when (gnus-visual-p 'group-highlight 'highlight)
4818 (run-hooks 'gnus-group-update-hook)
4820 ;; Allow XEmacs to remove front-sticky text properties.
4821 (gnus-group-remove-excess-properties)))
4823 (defun gnus-group-update-group (group &optional visible-only)
4824 "Update all lines where GROUP appear.
4825 If VISIBLE-ONLY is non-nil, the group won't be displayed if it isn't
4828 (set-buffer gnus-group-buffer)
4829 ;; The buffer may be narrowed.
4832 (let ((ident (gnus-intern-safe group gnus-active-hashtb))
4834 found buffer-read-only visible)
4835 ;; Enter the current status into the dribble buffer.
4836 (let ((entry (gnus-gethash group gnus-newsrc-hashtb)))
4837 (if (and entry (not (gnus-ephemeral-group-p group)))
4839 (concat "(gnus-group-set-info '" (prin1-to-string (nth 2 entry))
4841 ;; Find all group instances. If topics are in use, each group
4842 ;; may be listed in more than once.
4843 (while (setq loc (text-property-any
4844 loc (point-max) 'gnus-group ident))
4847 (let ((gnus-group-indentation (gnus-group-group-indentation)))
4849 (gnus-group-insert-group-line-info group))
4850 (setq loc (1+ loc)))
4851 (unless (or found visible-only)
4852 ;; No such line in the buffer, find out where it's supposed to
4853 ;; go, and insert it there (or at the end of the buffer).
4854 (if gnus-goto-missing-group-function
4855 (funcall gnus-goto-missing-group-function group)
4856 (let ((entry (cddr (gnus-gethash group gnus-newsrc-hashtb))))
4857 (while (and entry (car entry)
4861 (point-min) (point-max)
4862 'gnus-group (gnus-intern-safe
4863 (caar entry) gnus-active-hashtb)))))
4864 (setq entry (cdr entry)))
4865 (or entry (goto-char (point-max)))))
4866 ;; Finally insert the line.
4867 (let ((gnus-group-indentation (gnus-group-group-indentation)))
4868 (gnus-group-insert-group-line-info group)))
4869 (gnus-group-set-mode-line)))))
4871 (defun gnus-group-set-mode-line ()
4872 (when (memq 'group gnus-updated-mode-lines)
4873 (let* ((gformat (or gnus-group-mode-line-format-spec
4874 (setq gnus-group-mode-line-format-spec
4876 gnus-group-mode-line-format
4877 gnus-group-mode-line-format-alist))))
4878 (gnus-tmp-news-server (cadr gnus-select-method))
4879 (gnus-tmp-news-method (car gnus-select-method))
4881 gnus-tmp-header ;Dummy binding for user-defined formats
4882 ;; Get the resulting string.
4883 (mode-string (eval gformat)))
4884 ;; If the line is too long, we chop it off.
4885 (when (> (length mode-string) max-len)
4886 (setq mode-string (substring mode-string 0 (- max-len 4))))
4888 (setq mode-line-buffer-identification (list mode-string))
4889 (set-buffer-modified-p t)))))
4891 (defun gnus-group-group-name ()
4892 "Get the name of the newsgroup on the current line."
4893 (let ((group (get-text-property (gnus-point-at-bol) 'gnus-group)))
4894 (and group (symbol-name group))))
4896 (defun gnus-group-group-level ()
4897 "Get the level of the newsgroup on the current line."
4898 (get-text-property (gnus-point-at-bol) 'gnus-level))
4900 (defun gnus-group-group-indentation ()
4901 "Get the indentation of the newsgroup on the current line."
4902 (or (get-text-property (gnus-point-at-bol) 'gnus-indentation) ""))
4904 (defun gnus-group-group-unread ()
4905 "Get the number of unread articles of the newsgroup on the current line."
4906 (get-text-property (gnus-point-at-bol) 'gnus-unread))
4908 (defun gnus-group-search-forward (&optional backward all level first-too)
4909 "Find the next newsgroup with unread articles.
4910 If BACKWARD is non-nil, find the previous newsgroup instead.
4911 If ALL is non-nil, just find any newsgroup.
4912 If LEVEL is non-nil, find group with level LEVEL, or higher if no such
4914 If FIRST-TOO, the current line is also eligible as a target."
4915 (let ((way (if backward -1 1))
4916 (low gnus-level-killed)
4919 (if (and backward (progn (beginning-of-line)) (bobp))
4921 (or first-too (forward-line way))
4929 (get-text-property (point) 'gnus-unread)))
4930 (and (numberp unread) (> unread 0)))
4931 (setq lev (get-text-property (point)
4933 (<= lev gnus-level-subscribed)))
4935 (and (setq lev (get-text-property (point)
4944 (zerop (forward-line way)))))
4946 (progn (gnus-group-position-point) t)
4947 (goto-char (or pos beg))
4950 ;;; Gnus group mode commands
4954 (defun gnus-group-mark-group (n &optional unmark no-advance)
4955 "Mark the current group."
4957 (let ((buffer-read-only nil)
4961 (setq group (gnus-group-group-name))
4965 (or (cdr (assq 'process gnus-group-mark-positions)) 2))
4970 (setq gnus-group-marked (delete group gnus-group-marked)))
4972 (setq gnus-group-marked
4973 (cons group (delete group gnus-group-marked))))
4975 (or no-advance (zerop (gnus-group-next-group 1))))
4977 (gnus-summary-position-point)
4980 (defun gnus-group-unmark-group (n)
4981 "Remove the mark from the current group."
4983 (gnus-group-mark-group n 'unmark)
4984 (gnus-group-position-point))
4986 (defun gnus-group-unmark-all-groups ()
4987 "Unmark all groups."
4988 (let ((groups gnus-group-marked))
4991 (gnus-group-remove-mark (pop groups)))))
4992 (gnus-group-position-point))
4994 (defun gnus-group-mark-region (unmark beg end)
4995 "Mark all groups between point and mark.
4996 If UNMARK, remove the mark instead."
4997 (interactive "P\nr")
4998 (let ((num (count-lines beg end)))
5001 (- num (gnus-group-mark-group num unmark)))))
5003 (defun gnus-group-mark-buffer (&optional unmark)
5004 "Mark all groups in the buffer.
5005 If UNMARK, remove the mark instead."
5007 (gnus-group-mark-region unmark (point-min) (point-max)))
5009 (defun gnus-group-mark-regexp (regexp)
5010 "Mark all groups that match some regexp."
5011 (interactive "sMark (regexp): ")
5012 (let ((alist (cdr gnus-newsrc-alist))
5015 (when (string-match regexp (setq group (gnus-info-group (pop alist))))
5016 (gnus-group-set-mark group))))
5017 (gnus-group-position-point))
5019 (defun gnus-group-remove-mark (group)
5020 "Remove the process mark from GROUP and move point there.
5021 Return nil if the group isn't displayed."
5022 (if (gnus-group-goto-group group)
5024 (gnus-group-mark-group 1 'unmark t)
5026 (setq gnus-group-marked
5027 (delete group gnus-group-marked))
5030 (defun gnus-group-set-mark (group)
5031 "Set the process mark on GROUP."
5032 (if (gnus-group-goto-group group)
5034 (gnus-group-mark-group 1 nil t))
5035 (setq gnus-group-marked
5036 (cons group (delete group gnus-group-marked)))))
5038 (defun gnus-group-universal-argument (arg &optional groups func)
5039 "Perform any command on all groups accoring to the process/prefix convention."
5041 (let ((groups (or groups (gnus-group-process-prefix arg)))
5043 (if (eq (setq func (or func
5046 (substitute-command-keys
5047 "\\<gnus-group-mode-map>\\[gnus-group-universal-argument]")))))
5050 (message "Undefined key")
5053 (gnus-group-remove-mark (setq group (pop groups)))
5054 (command-execute func))))
5055 (gnus-group-position-point))
5057 (defun gnus-group-process-prefix (n)
5058 "Return a list of groups to work on.
5059 Take into consideration N (the prefix) and the list of marked groups."
5062 (setq n (prefix-numeric-value n))
5063 ;; There is a prefix, so we return a list of the N next
5065 (let ((way (if (< n 0) -1 1))
5070 (setq group (gnus-group-group-name)))
5071 (setq groups (cons group groups))
5073 (gnus-group-next-group way)))
5075 ((and (boundp 'transient-mark-mode)
5078 ;; Work on the region between point and mark.
5079 (let ((max (max (point) (mark)))
5082 (goto-char (min (point) (mark)))
5085 (push (gnus-group-group-name) groups)
5086 (zerop (gnus-group-next-group 1))
5088 (nreverse groups))))
5090 ;; No prefix, but a list of marked articles.
5091 (reverse gnus-group-marked))
5093 ;; Neither marked articles or a prefix, so we return the
5095 (let ((group (gnus-group-group-name)))
5096 (and group (list group))))))
5098 ;; Selecting groups.
5100 (defun gnus-group-read-group (&optional all no-article group)
5101 "Read news in this newsgroup.
5102 If the prefix argument ALL is non-nil, already read articles become
5103 readable. IF ALL is a number, fetch this number of articles. If the
5104 optional argument NO-ARTICLE is non-nil, no article will be
5105 auto-selected upon group entry. If GROUP is non-nil, fetch that
5108 (let ((group (or group (gnus-group-group-name)))
5109 number active marked entry)
5110 (or group (error "No group on current line"))
5111 (setq marked (nth 3 (nth 2 (setq entry (gnus-gethash
5112 group gnus-newsrc-hashtb)))))
5113 ;; This group might be a dead group. In that case we have to get
5114 ;; the number of unread articles from `gnus-active-hashtb'.
5116 (cond ((numberp all) all)
5118 ((setq active (gnus-active group))
5119 (- (1+ (cdr active)) (car active)))))
5120 (gnus-summary-read-group
5121 group (or all (and (numberp number)
5122 (zerop (+ number (length (cdr (assq 'tick marked)))
5123 (length (cdr (assq 'dormant marked)))))))
5126 (defun gnus-group-select-group (&optional all)
5127 "Select this newsgroup.
5128 No article is selected automatically.
5129 If ALL is non-nil, already read articles become readable.
5130 If ALL is a number, fetch this number of articles."
5132 (gnus-group-read-group all t))
5134 (defun gnus-group-quick-select-group (&optional all)
5135 "Select the current group \"quickly\".
5136 This means that no highlighting or scoring will be performed."
5139 gnus-score-find-score-files-function
5140 gnus-apply-kill-hook
5141 gnus-summary-expunge-below)
5142 (gnus-group-read-group all t)))
5144 (defun gnus-group-visible-select-group (&optional all)
5145 "Select the current group without hiding any articles."
5147 (let ((gnus-inhibit-limiting t))
5148 (gnus-group-read-group all t)))
5151 (defun gnus-fetch-group (group)
5152 "Start Gnus if necessary and enter GROUP.
5153 Returns whether the fetching was successful or not."
5154 (interactive "sGroup name: ")
5155 (or (get-buffer gnus-group-buffer)
5157 (gnus-group-read-group nil nil group))
5159 ;; Enter a group that is not in the group buffer. Non-nil is returned
5160 ;; if selection was successful.
5161 (defun gnus-group-read-ephemeral-group
5162 (group method &optional activate quit-config)
5163 (let ((group (if (gnus-group-foreign-p group) group
5164 (gnus-group-prefixed-name group method))))
5167 `(t nil (,group ,gnus-level-default-subscribed nil nil ,method
5168 ((quit-config . ,(if quit-config quit-config
5169 (cons (current-buffer) 'summary))))))
5171 (set-buffer gnus-group-buffer)
5172 (or (gnus-check-server method)
5173 (error "Unable to contact server: %s" (gnus-status-message method)))
5174 (if activate (or (gnus-request-group group)
5175 (error "Couldn't request group")))
5177 (gnus-group-read-group t t group)
5181 (defun gnus-group-jump-to-group (group)
5182 "Jump to newsgroup GROUP."
5184 (list (completing-read
5185 "Group: " gnus-active-hashtb nil
5186 (memq gnus-select-method gnus-have-read-active-file))))
5188 (if (equal group "")
5189 (error "Empty group name"))
5191 (let ((b (text-property-any
5192 (point-min) (point-max)
5193 'gnus-group (gnus-intern-safe group gnus-active-hashtb))))
5194 (unless (gnus-ephemeral-group-p group)
5196 ;; Either go to the line in the group buffer...
5198 ;; ... or insert the line.
5201 (gnus-activate-group group)
5202 (error "%s error: %s" group (gnus-status-message group)))
5204 (gnus-group-update-group group)
5205 (goto-char (text-property-any
5206 (point-min) (point-max)
5207 'gnus-group (gnus-intern-safe group gnus-active-hashtb)))))
5208 ;; Adjust cursor point.
5209 (gnus-group-position-point)))
5211 (defun gnus-group-goto-group (group)
5212 "Goto to newsgroup GROUP."
5214 (let ((b (text-property-any (point-min) (point-max)
5215 'gnus-group (gnus-intern-safe
5216 group gnus-active-hashtb))))
5217 (and b (goto-char b)))))
5219 (defun gnus-group-next-group (n)
5220 "Go to next N'th newsgroup.
5221 If N is negative, search backward instead.
5222 Returns the difference between N and the number of skips actually
5225 (gnus-group-next-unread-group n t))
5227 (defun gnus-group-next-unread-group (n &optional all level)
5228 "Go to next N'th unread newsgroup.
5229 If N is negative, search backward instead.
5230 If ALL is non-nil, choose any newsgroup, unread or not.
5231 If LEVEL is non-nil, choose the next group with level LEVEL, or, if no
5232 such group can be found, the next group with a level higher than
5234 Returns the difference between N and the number of skips actually
5237 (let ((backward (< n 0))
5240 (gnus-group-search-forward
5241 backward (or (not gnus-group-goto-unread) all) level))
5243 (if (/= 0 n) (gnus-message 7 "No more%s newsgroups%s" (if all "" " unread")
5244 (if level " on this level or higher" "")))
5247 (defun gnus-group-prev-group (n)
5248 "Go to previous N'th newsgroup.
5249 Returns the difference between N and the number of skips actually
5252 (gnus-group-next-unread-group (- n) t))
5254 (defun gnus-group-prev-unread-group (n)
5255 "Go to previous N'th unread newsgroup.
5256 Returns the difference between N and the number of skips actually
5259 (gnus-group-next-unread-group (- n)))
5261 (defun gnus-group-next-unread-group-same-level (n)
5262 "Go to next N'th unread newsgroup on the same level.
5263 If N is negative, search backward instead.
5264 Returns the difference between N and the number of skips actually
5267 (gnus-group-next-unread-group n t (gnus-group-group-level))
5268 (gnus-group-position-point))
5270 (defun gnus-group-prev-unread-group-same-level (n)
5271 "Go to next N'th unread newsgroup on the same level.
5272 Returns the difference between N and the number of skips actually
5275 (gnus-group-next-unread-group (- n) t (gnus-group-group-level))
5276 (gnus-group-position-point))
5278 (defun gnus-group-best-unread-group (&optional exclude-group)
5279 "Go to the group with the highest level.
5280 If EXCLUDE-GROUP, do not go to that group."
5282 (goto-char (point-min))
5285 (while (setq unread (get-text-property (point) 'gnus-unread))
5286 (if (and (numberp unread) (> unread 0))
5288 (if (and (< (get-text-property (point) 'gnus-level) best)
5289 (or (not exclude-group)
5290 (not (equal exclude-group (gnus-group-group-name)))))
5292 (setq best (get-text-property (point) 'gnus-level))
5293 (setq best-point (point))))))
5295 (if best-point (goto-char best-point))
5296 (gnus-summary-position-point)
5297 (and best-point (gnus-group-group-name))))
5299 (defun gnus-group-first-unread-group ()
5300 "Go to the first group with unread articles."
5303 (let ((opoint (point))
5305 (goto-char (point-min))
5306 (if (or (eq (setq unread (gnus-group-group-unread)) t) ; Not active.
5307 (and (numberp unread) ; Not a topic.
5308 (not (zerop unread))) ; Has unread articles.
5309 (zerop (gnus-group-next-unread-group 1))) ; Next unread group.
5312 nil)) ; Not success.
5313 (gnus-group-position-point)))
5315 (defun gnus-group-enter-server-mode ()
5316 "Jump to the server buffer."
5318 (gnus-enter-server-buffer))
5320 (defun gnus-group-make-group (name &optional method address)
5321 "Add a new newsgroup.
5322 The user will be prompted for a NAME, for a select METHOD, and an
5326 (read-string "Group name: ")
5329 "Method: " (append gnus-valid-select-methods gnus-server-alist)
5331 (if (assoc method gnus-valid-select-methods)
5333 (if (memq 'prompt-address
5334 (assoc method gnus-valid-select-methods))
5335 (read-string "Address: ")
5337 (list method "")))))
5340 (set-buffer gnus-group-buffer)
5341 (let* ((meth (and method (if address (list (intern method) address)
5343 (nname (if method (gnus-group-prefixed-name name meth) name))
5345 (and (gnus-gethash nname gnus-newsrc-hashtb)
5346 (error "Group %s already exists" nname))
5347 (gnus-group-change-level
5348 (setq info (list t nname gnus-level-default-subscribed nil nil meth))
5349 gnus-level-default-subscribed gnus-level-killed
5350 (and (gnus-group-group-name)
5351 (gnus-gethash (gnus-group-group-name)
5352 gnus-newsrc-hashtb))
5354 (gnus-set-active nname (cons 1 0))
5355 (or (gnus-ephemeral-group-p name)
5357 (concat "(gnus-group-set-info '" (prin1-to-string (cdr info)) ")")))
5358 (gnus-group-insert-group-line-info nname)
5360 (when (assoc (symbol-name (car meth)) gnus-valid-select-methods)
5361 (require (car meth)))
5362 (gnus-check-server meth)
5363 (and (gnus-check-backend-function 'request-create-group nname)
5364 (gnus-request-create-group nname))
5367 (defun gnus-group-delete-group (group &optional force)
5368 "Delete the current group.
5369 If FORCE (the prefix) is non-nil, all the articles in the group will
5370 be deleted. This is \"deleted\" as in \"removed forever from the face
5371 of the Earth\". There is no undo."
5373 (list (gnus-group-group-name)
5374 current-prefix-arg))
5375 (or group (error "No group to rename"))
5376 (or (gnus-check-backend-function 'request-delete-group group)
5377 (error "This backend does not support group deletion"))
5379 (if (not (gnus-yes-or-no-p
5381 "Do you really want to delete %s%s? "
5382 group (if force " and all its contents" ""))))
5384 (gnus-message 6 "Deleting group %s..." group)
5385 (if (not (gnus-request-delete-group group force))
5387 (gnus-message 3 "Couldn't delete group %s" group)
5389 (gnus-message 6 "Deleting group %s...done" group)
5390 (gnus-group-goto-group group)
5391 (gnus-group-kill-group 1 t)
5393 (gnus-group-position-point)))
5395 (defun gnus-group-rename-group (group new-name)
5398 (gnus-group-group-name)
5400 (or (gnus-check-backend-function
5401 'request-rename-group (gnus-group-group-name))
5402 (error "This backend does not support renaming groups"))
5403 (read-string "New group name: "))))
5405 (or (gnus-check-backend-function 'request-rename-group group)
5406 (error "This backend does not support renaming groups"))
5408 (or group (error "No group to rename"))
5409 (and (string-match "^[ \t]*$" new-name)
5410 (error "Not a valid group name"))
5412 ;; We find the proper prefixed name.
5414 (gnus-group-prefixed-name
5415 (gnus-group-real-name new-name)
5416 (gnus-info-method (gnus-get-info group))))
5418 (gnus-message 6 "Renaming group %s to %s..." group new-name)
5420 (if (not (gnus-request-rename-group group new-name))
5422 (gnus-message 3 "Couldn't rename group %s to %s" group new-name)
5424 ;; We rename the group internally by killing it...
5425 (gnus-group-goto-group group)
5426 (gnus-group-kill-group)
5427 ;; ... changing its name ...
5428 (setcar (cdar gnus-list-of-killed-groups) new-name)
5429 ;; ... and then yanking it. Magic!
5430 (gnus-group-yank-group)
5431 (gnus-set-active new-name (gnus-active group))
5432 (gnus-message 6 "Renaming group %s to %s...done" group new-name)
5434 (gnus-group-position-point)))
5436 (defun gnus-group-edit-group (group &optional part)
5437 "Edit the group on the current line."
5438 (interactive (list (gnus-group-group-name)))
5439 (let* ((part (or part 'info))
5440 (done-func `(lambda ()
5441 "Exit editing mode and update the information."
5443 (gnus-group-edit-group-done ',part ,group)))
5444 (winconf (current-window-configuration))
5446 (or group (error "No group on current line"))
5447 (or (setq info (gnus-get-info group))
5448 (error "Killed group; can't be edited"))
5449 (set-buffer (get-buffer-create gnus-group-edit-buffer))
5450 (gnus-configure-windows 'edit-group)
5451 (gnus-add-current-to-buffer-list)
5453 ;; Suggested by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
5454 (use-local-map (copy-keymap emacs-lisp-mode-map))
5455 (local-set-key "\C-c\C-c" done-func)
5456 (make-local-variable 'gnus-prev-winconf)
5457 (setq gnus-prev-winconf winconf)
5462 ";; Type `C-c C-c' after editing the select method.\n\n")
5464 ";; Type `C-c C-c' after editing the group parameters.\n\n")
5466 ";; Type `C-c C-c' after editing the group info.\n\n")))
5469 (cond ((eq part 'method)
5470 (or (gnus-info-method info) "native"))
5472 (gnus-info-params info))
5476 (defun gnus-group-edit-group-method (group)
5477 "Edit the select method of GROUP."
5478 (interactive (list (gnus-group-group-name)))
5479 (gnus-group-edit-group group 'method))
5481 (defun gnus-group-edit-group-parameters (group)
5482 "Edit the group parameters of GROUP."
5483 (interactive (list (gnus-group-group-name)))
5484 (gnus-group-edit-group group 'params))
5486 (defun gnus-group-edit-group-done (part group)
5487 "Get info from buffer, update variables and jump to the group buffer."
5488 (set-buffer (get-buffer-create gnus-group-edit-buffer))
5489 (goto-char (point-min))
5490 (let* ((form (read (current-buffer)))
5491 (winconf gnus-prev-winconf)
5492 (method (cond ((eq part 'info) (nth 4 form))
5493 ((eq part 'method) form)
5495 (info (cond ((eq part 'info) form)
5496 ((eq part 'method) (gnus-get-info group))
5499 (if (or (not method)
5501 gnus-select-method method))
5502 (gnus-group-real-name (car info))
5503 (gnus-group-prefixed-name
5504 (gnus-group-real-name (car info)) method))
5506 (when (and new-group
5507 (not (equal new-group group)))
5508 (when (gnus-group-goto-group group)
5509 (gnus-group-kill-group 1))
5510 (gnus-activate-group new-group))
5512 (if (and info new-group)
5514 (setq info (gnus-copy-sequence info))
5515 (setcar info new-group)
5516 (setcar (cddddr info) method)
5517 (gnus-group-set-info info))
5518 (gnus-group-set-info form (or new-group group) part))
5519 (kill-buffer (current-buffer))
5520 (and winconf (set-window-configuration winconf))
5521 (set-buffer gnus-group-buffer)
5522 (gnus-group-update-group (or new-group group))
5523 (gnus-group-position-point)))
5525 (defun gnus-group-make-help-group ()
5526 "Create the Gnus documentation group."
5528 (let ((path load-path)
5529 (name (gnus-group-prefixed-name "gnus-help" '(nndoc "gnus-help")))
5531 (and (gnus-gethash name gnus-newsrc-hashtb)
5532 (error "Documentation group already exists"))
5534 (setq dir (file-name-as-directory (expand-file-name (pop path)))
5536 (when (or (file-exists-p (setq file (concat dir "gnus-tut.txt")))
5538 (setq file (concat (file-name-directory
5539 (directory-file-name dir))
5540 "etc/gnus-tut.txt"))))
5543 (message "Couldn't find doc group")
5544 (gnus-group-make-group
5545 (gnus-group-real-name name)
5547 (list 'nndoc-address file)
5548 (list 'nndoc-article-type 'mbox)))))
5549 (gnus-group-position-point))
5551 (defun gnus-group-make-doc-group (file type)
5552 "Create a group that uses a single file as the source."
5554 (list (read-file-name "File name: ")
5555 (and current-prefix-arg 'ask)))
5556 (when (eq type 'ask)
5561 "%sFile type (mbox, babyl, digest, forward, mmfd, guess) [mbdfag]: "
5563 (setq found (cond ((= (setq char (read-char)) ?m) 'mbox)
5564 ((= char ?b) 'babyl)
5565 ((= char ?d) 'digest)
5566 ((= char ?f) 'forward)
5568 (t (setq err (format "%c unknown. " char))
5571 (let* ((file (expand-file-name file))
5572 (name (gnus-generate-new-group-name
5573 (gnus-group-prefixed-name
5574 (file-name-nondirectory file) '(nndoc "")))))
5575 (gnus-group-make-group
5576 (gnus-group-real-name name)
5578 (list 'nndoc-address file)
5579 (list 'nndoc-article-type (or type 'guess))))
5581 (gnus-group-position-point)))
5583 (defun gnus-group-make-archive-group (&optional all)
5584 "Create the (ding) Gnus archive group of the most recent articles.
5585 Given a prefix, create a full group."
5587 (let ((group (gnus-group-prefixed-name
5588 (if all "ding.archives" "ding.recent") '(nndir ""))))
5589 (and (gnus-gethash group gnus-newsrc-hashtb)
5590 (error "Archive group already exists"))
5591 (gnus-group-make-group
5592 (gnus-group-real-name group)
5593 (list 'nndir (if all "hpc" "edu")
5594 (list 'nndir-directory
5595 (if all gnus-group-archive-directory
5596 gnus-group-recent-archive-directory)))))
5598 (gnus-group-position-point))
5600 (defun gnus-group-make-directory-group (dir)
5601 "Create an nndir group.
5602 The user will be prompted for a directory. The contents of this
5603 directory will be used as a newsgroup. The directory should contain
5604 mail messages or news articles in files that have numeric names."
5606 (list (read-file-name "Create group from directory: ")))
5607 (or (file-exists-p dir) (error "No such directory"))
5608 (or (file-directory-p dir) (error "Not a directory"))
5612 (while (or (not group) (gnus-gethash group gnus-newsrc-hashtb))
5614 (gnus-group-prefixed-name
5615 (concat (file-name-as-directory (directory-file-name dir))
5618 (setq ext (format "<%d>" (setq i (1+ i)))))
5619 (gnus-group-make-group
5620 (gnus-group-real-name group)
5621 (list 'nndir group (list 'nndir-directory dir))))
5623 (gnus-group-position-point))
5625 (defun gnus-group-make-kiboze-group (group address scores)
5626 "Create an nnkiboze group.
5627 The user will be prompted for a name, a regexp to match groups, and
5628 score file entries for articles to include in the group."
5631 (read-string "nnkiboze group name: ")
5632 (read-string "Source groups (regexp): ")
5633 (let ((headers (mapcar (lambda (group) (list group))
5634 '("subject" "from" "number" "date" "message-id"
5635 "references" "chars" "lines" "xref"
5636 "followup" "all" "body" "head")))
5637 scores header regexp regexps)
5638 (while (not (equal "" (setq header (completing-read
5639 "Match on header: " headers nil t))))
5641 (while (not (equal "" (setq regexp (read-string
5642 (format "Match on %s (string): "
5644 (setq regexps (cons (list regexp nil nil 'r) regexps)))
5645 (setq scores (cons (cons header regexps) scores)))
5647 (gnus-group-make-group group "nnkiboze" address)
5649 (gnus-set-work-buffer)
5650 (let (emacs-lisp-mode-hook)
5651 (pp scores (current-buffer)))
5652 (write-region (point-min) (point-max)
5653 (gnus-score-file-name (concat "nnkiboze:" group))))
5655 (gnus-group-position-point))
5657 (defun gnus-group-add-to-virtual (n vgroup)
5658 "Add the current group to a virtual group."
5660 (list current-prefix-arg
5661 (completing-read "Add to virtual group: " gnus-newsrc-hashtb nil t
5663 (or (eq (car (gnus-find-method-for-group vgroup)) 'nnvirtual)
5664 (error "%s is not an nnvirtual group" vgroup))
5665 (let* ((groups (gnus-group-process-prefix n))
5666 (method (gnus-info-method (gnus-get-info vgroup))))
5667 (setcar (cdr method)
5669 (nth 1 method) "\\|"
5672 (gnus-group-remove-mark s)
5673 (concat "\\(^" (regexp-quote s) "$\\)"))
5675 (gnus-group-position-point))
5677 (defun gnus-group-make-empty-virtual (group)
5678 "Create a new, fresh, empty virtual group."
5679 (interactive "sCreate new, empty virtual group: ")
5680 (let* ((method (list 'nnvirtual "^$"))
5681 (pgroup (gnus-group-prefixed-name group method)))
5682 ;; Check whether it exists already.
5683 (and (gnus-gethash pgroup gnus-newsrc-hashtb)
5684 (error "Group %s already exists." pgroup))
5685 ;; Subscribe the new group after the group on the current line.
5686 (gnus-subscribe-group pgroup (gnus-group-group-name) method)
5687 (gnus-group-update-group pgroup)
5689 (gnus-group-position-point)))
5691 (defun gnus-group-enter-directory (dir)
5692 "Enter an ephemeral nneething group."
5693 (interactive "DDirectory to read: ")
5694 (let* ((method (list 'nneething dir))
5695 (leaf (gnus-group-prefixed-name
5696 (file-name-nondirectory (directory-file-name dir))
5698 (name (gnus-generate-new-group-name leaf)))
5699 (let ((nneething-read-only t))
5700 (or (gnus-group-read-ephemeral-group
5702 (cons (current-buffer) (if (eq major-mode 'gnus-summary-mode)
5704 (error "Couldn't enter %s" dir)))))
5706 ;; Group sorting commands
5707 ;; Suggested by Joe Hildebrand <hildjj@idaho.fuentez.com>.
5709 (defun gnus-group-sort-groups (func &optional reverse)
5710 "Sort the group buffer according to FUNC.
5711 If REVERSE, reverse the sorting order."
5712 (interactive (list gnus-group-sort-function
5713 current-prefix-arg))
5715 ((not (listp func)) func)
5717 ((= 1 (length func)) (car func))
5719 ,(gnus-make-sort-function
5720 (reverse func)))))))
5721 ;; We peel off the dummy group from the alist.
5723 (when (equal (car (gnus-info-group gnus-newsrc-alist)) "dummy.group")
5724 (pop gnus-newsrc-alist))
5726 (setq gnus-newsrc-alist
5727 (sort gnus-newsrc-alist func))
5729 (setq gnus-newsrc-alist (nreverse gnus-newsrc-alist)))
5730 ;; Regenerate the hash table.
5731 (gnus-make-hashtable-from-newsrc-alist)
5732 (gnus-group-list-groups))))
5734 (defun gnus-group-sort-groups-by-alphabet (&optional reverse)
5735 "Sort the group buffer alphabetically by group name.
5736 If REVERSE, sort in reverse order."
5738 (gnus-group-sort-groups 'gnus-group-sort-by-alphabet reverse))
5740 (defun gnus-group-sort-groups-by-unread (&optional reverse)
5741 "Sort the group buffer by number of unread articles.
5742 If REVERSE, sort in reverse order."
5744 (gnus-group-sort-groups 'gnus-group-sort-by-unread reverse))
5746 (defun gnus-group-sort-groups-by-level (&optional reverse)
5747 "Sort the group buffer by group level.
5748 If REVERSE, sort in reverse order."
5750 (gnus-group-sort-groups 'gnus-group-sort-by-level reverse))
5752 (defun gnus-group-sort-groups-by-score (&optional reverse)
5753 "Sort the group buffer by group score.
5754 If REVERSE, sort in reverse order."
5756 (gnus-group-sort-groups 'gnus-group-sort-by-score reverse))
5758 (defun gnus-group-sort-groups-by-rank (&optional reverse)
5759 "Sort the group buffer by group rank.
5760 If REVERSE, sort in reverse order."
5762 (gnus-group-sort-groups 'gnus-group-sort-by-rank reverse))
5764 (defun gnus-group-sort-groups-by-method (&optional reverse)
5765 "Sort the group buffer alphabetically by backend name.
5766 If REVERSE, sort in reverse order."
5768 (gnus-group-sort-groups 'gnus-group-sort-by-method reverse))
5770 (defun gnus-group-sort-by-alphabet (info1 info2)
5771 "Sort alphabetically."
5772 (string< (gnus-info-group info1) (gnus-info-group info2)))
5774 (defun gnus-group-sort-by-unread (info1 info2)
5775 "Sort by number of unread articles."
5776 (let ((n1 (car (gnus-gethash (gnus-info-group info1) gnus-newsrc-hashtb)))
5777 (n2 (car (gnus-gethash (gnus-info-group info2) gnus-newsrc-hashtb))))
5778 (< (or (and (numberp n1) n1) 0)
5779 (or (and (numberp n2) n2) 0))))
5781 (defun gnus-group-sort-by-level (info1 info2)
5783 (< (gnus-info-level info1) (gnus-info-level info2)))
5785 (defun gnus-group-sort-by-method (info1 info2)
5786 "Sort alphabetically by backend name."
5787 (string< (symbol-name (car (gnus-find-method-for-group
5788 (gnus-info-group info1) info1)))
5789 (symbol-name (car (gnus-find-method-for-group
5790 (gnus-info-group info2) info2)))))
5792 (defun gnus-group-sort-by-score (info1 info2)
5793 "Sort by group score."
5794 (< (gnus-info-score info1) (gnus-info-score info2)))
5796 (defun gnus-group-sort-by-rank (info1 info2)
5797 "Sort by level and score."
5798 (let ((level1 (gnus-info-level info1))
5799 (level2 (gnus-info-level info2)))
5800 (or (< level1 level2)
5801 (and (= level1 level2)
5802 (< (gnus-info-score info1) (gnus-info-score info2))))))
5804 ;; Group catching up.
5806 (defun gnus-group-catchup-current (&optional n all)
5807 "Mark all articles not marked as unread in current newsgroup as read.
5808 If prefix argument N is numeric, the ARG next newsgroups will be
5809 caught up. If ALL is non-nil, marked articles will also be marked as
5810 read. Cross references (Xref: header) of articles are ignored.
5811 The difference between N and actual number of newsgroups that were
5812 caught up is returned."
5814 (if (not (or (not gnus-interactive-catchup) ;Without confirmation?
5818 "Do you really want to mark all articles as read? "
5819 "Mark all unread articles as read? "))))
5821 (let ((groups (gnus-group-process-prefix n))
5824 ;; Virtual groups have to be given special treatment.
5825 (let ((method (gnus-find-method-for-group (car groups))))
5826 (if (eq 'nnvirtual (car method))
5827 (nnvirtual-catchup-group
5828 (gnus-group-real-name (car groups)) (nth 1 method) all)))
5829 (gnus-group-remove-mark (car groups))
5831 (gnus-group-goto-group (car groups))
5832 (gnus-group-catchup (car groups) all))
5833 (gnus-group-update-group-line)
5834 (setq ret (1+ ret)))
5835 (setq groups (cdr groups)))
5836 (gnus-group-next-unread-group 1)
5839 (defun gnus-group-catchup-current-all (&optional n)
5840 "Mark all articles in current newsgroup as read.
5841 Cross references (Xref: header) of articles are ignored."
5843 (gnus-group-catchup-current n 'all))
5845 (defun gnus-group-catchup (group &optional all)
5846 "Mark all articles in GROUP as read.
5847 If ALL is non-nil, all articles are marked as read.
5848 The return value is the number of articles that were marked as read,
5849 or nil if no action could be taken."
5850 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
5852 ;; Do the updating only if the newsgroup isn't killed.
5853 (if (not (numberp (car entry)))
5854 (gnus-message 1 "Can't catch up; non-active group")
5855 ;; Do auto-expirable marks if that's required.
5856 (when (gnus-group-auto-expirable-p group)
5857 (gnus-add-marked-articles
5858 group 'expire (gnus-list-of-unread-articles group))
5860 (let ((marks (nth 3 (nth 2 entry))))
5861 (gnus-add-marked-articles
5862 group 'expire (gnus-uncompress-range (cdr (assq 'tick marks))))
5863 (gnus-add-marked-articles
5864 group 'expire (gnus-uncompress-range (cdr (assq 'tick marks)))))))
5866 (gnus-update-read-articles group nil)
5867 ;; Also nix out the lists of marks and dormants.
5869 (gnus-add-marked-articles group 'tick nil nil 'force)
5870 (gnus-add-marked-articles group 'dormant nil nil 'force))
5871 (run-hooks 'gnus-group-catchup-group-hook)
5874 (defun gnus-group-expire-articles (&optional n)
5875 "Expire all expirable articles in the current newsgroup."
5877 (let ((groups (gnus-group-process-prefix n))
5880 (error "No groups to expire"))
5881 (while (setq group (pop groups))
5882 (gnus-group-remove-mark group)
5883 (when (gnus-check-backend-function 'request-expire-articles group)
5884 (gnus-message 6 "Expiring articles in %s..." group)
5885 (let* ((info (gnus-get-info group))
5886 (expirable (if (gnus-group-total-expirable-p group)
5887 (cons nil (gnus-list-of-read-articles group))
5888 (assq 'expire (gnus-info-marks info))))
5889 (expiry-wait (gnus-group-get-parameter group 'expiry-wait)))
5893 (gnus-compress-sequence
5895 ;; We set the expiry variables to the groupp
5897 (let ((nnmail-expiry-wait-function nil)
5898 (nnmail-expiry-wait expiry-wait))
5899 (gnus-request-expire-articles
5900 (gnus-uncompress-sequence (cdr expirable)) group))
5901 ;; Just expire using the normal expiry values.
5902 (gnus-request-expire-articles
5903 (gnus-uncompress-sequence (cdr expirable)) group)))))
5904 (gnus-message 6 "Expiring articles in %s...done" group)))
5905 (gnus-group-position-point))))
5907 (defun gnus-group-expire-all-groups ()
5908 "Expire all expirable articles in all newsgroups."
5911 (gnus-message 5 "Expiring...")
5912 (let ((gnus-group-marked (mapcar (lambda (info) (gnus-info-group info))
5913 (cdr gnus-newsrc-alist))))
5914 (gnus-group-expire-articles nil)))
5915 (gnus-group-position-point)
5916 (gnus-message 5 "Expiring...done"))
5918 (defun gnus-group-set-current-level (n level)
5919 "Set the level of the next N groups to LEVEL."
5923 (if (not (gnus-group-group-name))
5924 (error "No group on the current line")
5926 (let ((s (read-string
5927 (format "Level (default %s): " (gnus-group-group-level)))))
5928 (if (string-match "^\\s-*$" s)
5929 (int-to-string (gnus-group-group-level))
5931 (or (and (>= level 1) (<= level gnus-level-killed))
5932 (error "Illegal level: %d" level))
5933 (let ((groups (gnus-group-process-prefix n))
5935 (while (setq group (pop groups))
5936 (gnus-group-remove-mark group)
5937 (gnus-message 6 "Changed level of %s from %d to %d"
5938 group (or (gnus-group-group-level) gnus-level-killed)
5940 (gnus-group-change-level
5941 group level (or (gnus-group-group-level) gnus-level-killed))
5942 (gnus-group-update-group-line)))
5943 (gnus-group-position-point))
5945 (defun gnus-group-unsubscribe-current-group (&optional n)
5946 "Toggle subscription of the current group.
5947 If given numerical prefix, toggle the N next groups."
5949 (let ((groups (gnus-group-process-prefix n))
5952 (setq group (car groups)
5953 groups (cdr groups))
5954 (gnus-group-remove-mark group)
5955 (gnus-group-unsubscribe-group
5956 group (if (<= (gnus-group-group-level) gnus-level-subscribed)
5957 gnus-level-default-unsubscribed
5958 gnus-level-default-subscribed) t)
5959 (gnus-group-update-group-line))
5960 (gnus-group-next-group 1)))
5962 (defun gnus-group-unsubscribe-group (group &optional level silent)
5963 "Toggle subscription to GROUP.
5964 Killed newsgroups are subscribed. If SILENT, don't try to update the
5967 (list (completing-read
5968 "Group: " gnus-active-hashtb nil
5969 (memq gnus-select-method gnus-have-read-active-file))))
5970 (let ((newsrc (gnus-gethash group gnus-newsrc-hashtb)))
5972 ((string-match "^[ \t]$" group)
5973 (error "Empty group name"))
5975 ;; Toggle subscription flag.
5976 (gnus-group-change-level
5977 newsrc (if level level (if (<= (nth 1 (nth 2 newsrc))
5978 gnus-level-subscribed)
5979 (1+ gnus-level-subscribed)
5980 gnus-level-default-subscribed)))
5982 (gnus-group-update-group group)))
5983 ((and (stringp group)
5984 (or (not (memq gnus-select-method gnus-have-read-active-file))
5985 (gnus-active group)))
5986 ;; Add new newsgroup.
5987 (gnus-group-change-level
5989 (if level level gnus-level-default-subscribed)
5990 (or (and (member group gnus-zombie-list)
5993 (and (gnus-group-group-name)
5994 (gnus-gethash (gnus-group-group-name) gnus-newsrc-hashtb)))
5996 (gnus-group-update-group group)))
5997 (t (error "No such newsgroup: %s" group)))
5998 (gnus-group-position-point)))
6000 (defun gnus-group-transpose-groups (n)
6001 "Move the current newsgroup up N places.
6002 If given a negative prefix, move down instead. The difference between
6003 N and the number of steps taken is returned."
6005 (or (gnus-group-group-name)
6006 (error "No group on current line"))
6007 (gnus-group-kill-group 1)
6009 (forward-line (- n))
6010 (gnus-group-yank-group)
6011 (gnus-group-position-point)))
6013 (defun gnus-group-kill-all-zombies ()
6014 "Kill all zombie newsgroups."
6016 (setq gnus-killed-list (nconc gnus-zombie-list gnus-killed-list))
6017 (setq gnus-zombie-list nil)
6018 (gnus-group-list-groups))
6020 (defun gnus-group-kill-region (begin end)
6021 "Kill newsgroups in current region (excluding current point).
6022 The killed newsgroups can be yanked by using \\[gnus-group-yank-group]."
6037 (beginning-of-line) ;Important when LINES < 1
6038 (gnus-group-kill-group lines)))
6040 (defun gnus-group-kill-group (&optional n discard)
6041 "Kill the next N groups.
6042 The killed newsgroups can be yanked by using \\[gnus-group-yank-group].
6043 However, only groups that were alive can be yanked; already killed
6044 groups or zombie groups can't be yanked.
6045 The return value is the name of the group that was killed, or a list
6048 (let ((buffer-read-only nil)
6049 (groups (gnus-group-process-prefix n))
6050 group entry level out)
6051 (if (< (length groups) 10)
6052 ;; This is faster when there are few groups.
6054 (push (setq group (pop groups)) out)
6055 (gnus-group-remove-mark group)
6056 (setq level (gnus-group-group-level))
6058 (if (and (not discard)
6059 (setq entry (gnus-gethash group gnus-newsrc-hashtb)))
6060 (setq gnus-list-of-killed-groups
6061 (cons (cons (car entry) (nth 2 entry))
6062 gnus-list-of-killed-groups)))
6063 (gnus-group-change-level
6064 (if entry entry group) gnus-level-killed (if entry nil level)))
6065 ;; If there are lots and lots of groups to be killed, we use
6066 ;; this thing instead.
6068 (setq groups (nreverse groups))
6070 (gnus-group-remove-mark (setq group (pop groups)))
6073 ((setq entry (gnus-gethash group gnus-newsrc-hashtb))
6074 (push (cons (car entry) (nth 2 entry))
6075 gnus-list-of-killed-groups)
6076 (setcdr (cdr entry) (cdddr entry)))
6077 ((member group gnus-zombie-list)
6078 (setq gnus-zombie-list (delete group gnus-zombie-list)))))
6079 (gnus-make-hashtable-from-newsrc-alist)))
6081 (gnus-group-position-point)
6082 (if (< (length out) 2) (car out) (nreverse out))))
6084 (defun gnus-group-yank-group (&optional arg)
6085 "Yank the last newsgroups killed with \\[gnus-group-kill-group],
6086 inserting it before the current newsgroup. The numeric ARG specifies
6087 how many newsgroups are to be yanked. The name of the newsgroup yanked
6088 is returned, or (if several groups are yanked) a list of yanked groups
6091 (setq arg (or arg 1))
6092 (let (info group prev out)
6093 (while (>= (decf arg) 0)
6094 (if (not (setq info (pop gnus-list-of-killed-groups)))
6095 (error "No more newsgroups to yank"))
6096 (push (setq group (nth 1 info)) out)
6097 ;; Find which newsgroup to insert this one before - search
6098 ;; backward until something suitable is found. If there are no
6099 ;; other newsgroups in this buffer, just make this newsgroup the
6101 (setq prev (gnus-group-group-name))
6102 (gnus-group-change-level
6103 info (nth 2 info) gnus-level-killed
6104 (and prev (gnus-gethash prev gnus-newsrc-hashtb))
6106 (gnus-group-insert-group-line-info group))
6108 (gnus-group-position-point)
6109 (if (< (length out) 2) (car out) (nreverse out))))
6111 (defun gnus-group-kill-level (level)
6112 "Kill all groups that is on a certain LEVEL."
6113 (interactive "nKill all groups on level: ")
6115 ((= level gnus-level-zombie)
6116 (setq gnus-killed-list
6117 (nconc gnus-zombie-list gnus-killed-list))
6118 (setq gnus-zombie-list nil))
6119 ((and (< level gnus-level-zombie)
6121 (or gnus-expert-user
6124 "Do you really want to kill all groups on level %d? "
6126 (let* ((prev gnus-newsrc-alist)
6129 (if (= (gnus-info-level level) level)
6130 (setcdr prev (cdr alist))
6132 (setq alist (cdr alist)))
6133 (gnus-make-hashtable-from-newsrc-alist)
6134 (gnus-group-list-groups)))
6136 (error "Can't kill; illegal level: %d" level))))
6138 (defun gnus-group-list-all-groups (&optional arg)
6139 "List all newsgroups with level ARG or lower.
6140 Default is gnus-level-unsubscribed, which lists all subscribed and most
6141 unsubscribed groups."
6143 (gnus-group-list-groups (or arg gnus-level-unsubscribed) t))
6145 ;; Redefine this to list ALL killed groups if prefix arg used.
6146 ;; Rewritten by engstrom@src.honeywell.com (Eric Engstrom).
6147 (defun gnus-group-list-killed (&optional arg)
6148 "List all killed newsgroups in the group buffer.
6149 If ARG is non-nil, list ALL killed groups known to Gnus. This may
6150 entail asking the server for the groups."
6152 ;; Find all possible killed newsgroups if arg.
6154 ;; First make sure active file has been read.
6155 (unless gnus-have-read-active-file
6156 (let ((gnus-read-active-file t))
6157 (gnus-read-active-file)))
6158 (or gnus-killed-hashtb (gnus-make-hashtable-from-killed))
6159 ;; Go through all newsgroups that are known to Gnus - enlarge kill list
6163 (group (symbol-name sym)))
6164 (if (or (null group)
6165 (gnus-gethash group gnus-killed-hashtb)
6166 (gnus-gethash group gnus-newsrc-hashtb))
6168 (let ((do-sub (gnus-matches-options-n group)))
6169 (if (or (eq do-sub 'subscribe) (eq do-sub 'ignore))
6171 (setq groups (1+ groups))
6172 (setq gnus-killed-list
6173 (cons group gnus-killed-list))
6174 (gnus-sethash group group gnus-killed-hashtb))))))
6175 gnus-active-hashtb))
6176 (if (not gnus-killed-list)
6177 (gnus-message 6 "No killed groups")
6178 (let (gnus-group-list-mode)
6179 (funcall gnus-group-prepare-function
6180 gnus-level-killed t gnus-level-killed))
6181 (goto-char (point-min)))
6182 (gnus-group-position-point))
6184 (defun gnus-group-list-zombies ()
6185 "List all zombie newsgroups in the group buffer."
6187 (if (not gnus-zombie-list)
6188 (gnus-message 6 "No zombie groups")
6189 (let (gnus-group-list-mode)
6190 (funcall gnus-group-prepare-function
6191 gnus-level-zombie t gnus-level-zombie))
6192 (goto-char (point-min)))
6193 (gnus-group-position-point))
6195 (defun gnus-group-list-active ()
6196 "List all groups that are available from the server(s)."
6198 ;; First we make sure that we have really read the active file.
6199 (unless gnus-have-read-active-file
6200 (let ((gnus-read-active-file t))
6201 (gnus-read-active-file)))
6202 ;; Find all groups and sort them.
6208 (and (symbol-value sym)
6209 (setq list (cons (symbol-name sym) list))))
6213 (buffer-read-only nil))
6216 (gnus-group-insert-group-line-info (car groups))
6217 (setq groups (cdr groups)))
6218 (goto-char (point-min))))
6220 (defun gnus-activate-all-groups (level)
6221 "Activate absolutely all groups."
6222 (interactive (list 7))
6223 (let ((gnus-activate-level level)
6224 (gnus-activate-foreign-newsgroups level))
6225 (gnus-group-get-new-news)))
6227 (defun gnus-group-get-new-news (&optional arg)
6228 "Get newly arrived articles.
6229 If ARG is a number, it specifies which levels you are interested in
6230 re-scanning. If ARG is non-nil and not a number, this will force
6231 \"hard\" re-reading of the active files from all servers."
6233 (run-hooks 'gnus-get-new-news-hook)
6234 ;; We might read in new NoCeM messages here.
6235 (when (and gnus-use-nocem
6237 (gnus-nocem-scan-groups))
6238 ;; If ARG is not a number, then we read the active file.
6239 (when (and arg (not (numberp arg)))
6240 (let ((gnus-read-active-file t))
6241 (gnus-read-active-file))
6244 (setq arg (gnus-group-default-level arg t))
6245 (if (and gnus-read-active-file (not arg))
6247 (gnus-read-active-file)
6248 (gnus-get-unread-articles arg))
6249 (let ((gnus-read-active-file (if arg nil gnus-read-active-file)))
6250 (gnus-get-unread-articles arg)))
6251 (run-hooks 'gnus-after-getting-new-news-hook)
6252 (gnus-group-list-groups))
6254 (defun gnus-group-get-new-news-this-group (&optional n)
6255 "Check for newly arrived news in the current group (and the N-1 next groups).
6256 The difference between N and the number of newsgroup checked is returned.
6257 If N is negative, this group and the N-1 previous groups will be checked."
6259 (let* ((groups (gnus-group-process-prefix n))
6260 (ret (if (numberp n) (- n (length groups)) 0))
6263 (setq group (car groups)
6264 groups (cdr groups))
6265 (gnus-group-remove-mark group)
6266 (unless (gnus-get-new-news-in-group group)
6268 (gnus-message 3 "%s error: %s" group (gnus-status-message group))))
6269 (when gnus-goto-next-group-when-activating
6270 (gnus-group-next-unread-group 1 t))
6271 (gnus-summary-position-point)
6274 (defun gnus-get-new-news-in-group (group)
6275 (when (and group (gnus-activate-group group 'scan))
6276 (gnus-get-unread-articles-in-group
6277 (gnus-get-info group) (gnus-active group) t)
6278 (when (gnus-group-goto-group group)
6279 (gnus-group-update-group-line))
6282 (defun gnus-group-fetch-faq (group &optional faq-dir)
6283 "Fetch the FAQ for the current group."
6286 (gnus-group-real-name (gnus-group-group-name))
6287 (cond (current-prefix-arg
6289 "Faq dir: " (and (listp gnus-group-faq-directory)
6290 gnus-group-faq-directory))))))
6292 (setq faq-dir (if (listp gnus-group-faq-directory)
6293 (car gnus-group-faq-directory)
6294 gnus-group-faq-directory)))
6295 (or group (error "No group name given"))
6296 (let ((file (concat (file-name-as-directory faq-dir)
6297 (gnus-group-real-name group))))
6298 (if (not (file-exists-p file))
6299 (error "No such file: %s" file)
6302 (defun gnus-group-describe-group (force &optional group)
6303 "Display a description of the current newsgroup."
6304 (interactive (list current-prefix-arg (gnus-group-group-name)))
6305 (and force (setq gnus-description-hashtb nil))
6306 (let ((method (gnus-find-method-for-group group))
6308 (or group (error "No group name given"))
6309 (and (or (and gnus-description-hashtb
6310 ;; We check whether this group's method has been
6311 ;; queried for a description file.
6313 (gnus-group-prefixed-name "" method)
6314 gnus-description-hashtb))
6315 (setq desc (gnus-group-get-description group))
6316 (gnus-read-descriptions-file method))
6318 (or desc (gnus-gethash group gnus-description-hashtb)
6319 "No description available")))))
6321 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
6322 (defun gnus-group-describe-all-groups (&optional force)
6323 "Pop up a buffer with descriptions of all newsgroups."
6325 (and force (setq gnus-description-hashtb nil))
6326 (if (not (or gnus-description-hashtb
6327 (gnus-read-all-descriptions-files)))
6328 (error "Couldn't request descriptions file"))
6329 (let ((buffer-read-only nil)
6335 (insert (format " *: %-20s %s\n" (symbol-name group)
6336 (symbol-value group)))
6337 (add-text-properties
6338 b (1+ b) (list 'gnus-group group
6339 'gnus-unread t 'gnus-marked nil
6340 'gnus-level (1+ gnus-level-subscribed))))
6341 gnus-description-hashtb)
6342 (goto-char (point-min))
6343 (gnus-group-position-point)))
6345 ;; Suggested by by Daniel Quinlan <quinlan@best.com>.
6346 (defun gnus-group-apropos (regexp &optional search-description)
6347 "List all newsgroups that have names that match a regexp."
6348 (interactive "sGnus apropos (regexp): ")
6350 (obuf (current-buffer))
6352 ;; Go through all newsgroups that are known to Gnus.
6355 (and (symbol-name group)
6356 (string-match regexp (symbol-name group))
6357 (setq groups (cons (symbol-name group) groups))))
6359 ;; Go through all descriptions that are known to Gnus.
6360 (if search-description
6363 (and (string-match regexp (symbol-value group))
6364 (gnus-active (symbol-name group))
6365 (setq groups (cons (symbol-name group) groups))))
6366 gnus-description-hashtb))
6368 (gnus-message 3 "No groups matched \"%s\"." regexp)
6369 ;; Print out all the groups.
6371 (pop-to-buffer "*Gnus Help*")
6372 (buffer-disable-undo (current-buffer))
6374 (setq groups (sort groups 'string<))
6376 ;; Groups may be entered twice into the list of groups.
6377 (if (not (string= (car groups) prev))
6379 (insert (setq prev (car groups)) "\n")
6380 (if (and gnus-description-hashtb
6381 (setq des (gnus-gethash (car groups)
6382 gnus-description-hashtb)))
6383 (insert " " des "\n"))))
6384 (setq groups (cdr groups)))
6385 (goto-char (point-min))))
6386 (pop-to-buffer obuf)))
6388 (defun gnus-group-description-apropos (regexp)
6389 "List all newsgroups that have names or descriptions that match a regexp."
6390 (interactive "sGnus description apropos (regexp): ")
6391 (if (not (or gnus-description-hashtb
6392 (gnus-read-all-descriptions-files)))
6393 (error "Couldn't request descriptions file"))
6394 (gnus-group-apropos regexp t))
6396 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
6397 (defun gnus-group-list-matching (level regexp &optional all lowest)
6398 "List all groups with unread articles that match REGEXP.
6399 If the prefix LEVEL is non-nil, it should be a number that says which
6400 level to cut off listing groups.
6401 If ALL, also list groups with no unread articles.
6402 If LOWEST, don't list groups with level lower than LOWEST."
6403 (interactive "P\nsList newsgroups matching: ")
6404 (gnus-group-prepare-flat (or level gnus-level-subscribed)
6405 all (or lowest 1) regexp)
6406 (goto-char (point-min))
6407 (gnus-group-position-point))
6409 (defun gnus-group-list-all-matching (level regexp &optional lowest)
6410 "List all groups that match REGEXP.
6411 If the prefix LEVEL is non-nil, it should be a number that says which
6412 level to cut off listing groups.
6413 If LOWEST, don't list groups with level lower than LOWEST."
6414 (interactive "P\nsList newsgroups matching: ")
6415 (gnus-group-list-matching (or level gnus-level-killed) regexp t lowest))
6417 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
6418 (defun gnus-group-save-newsrc (&optional force)
6419 "Save the Gnus startup files.
6420 If FORCE, force saving whether it is necessary or not."
6422 (gnus-save-newsrc-file force))
6424 (defun gnus-group-restart (&optional arg)
6425 "Force Gnus to read the .newsrc file."
6427 (gnus-save-newsrc-file)
6428 (gnus-setup-news 'force)
6429 (gnus-group-list-groups arg))
6431 (defun gnus-group-read-init-file ()
6432 "Read the Gnus elisp init file."
6434 (gnus-read-init-file))
6436 (defun gnus-group-check-bogus-groups (&optional silent)
6437 "Check bogus newsgroups.
6438 If given a prefix, don't ask for confirmation before removing a bogus
6441 (gnus-check-bogus-newsgroups (and (not silent) (not gnus-expert-user)))
6442 (gnus-group-list-groups))
6444 (defun gnus-group-edit-global-kill (&optional article group)
6445 "Edit the global kill file.
6446 If GROUP, edit that local kill file instead."
6448 (setq gnus-current-kill-article article)
6449 (gnus-kill-file-edit-file group)
6452 (substitute-command-keys
6453 (format "Editing a %s kill file (Type \\[gnus-kill-file-exit] to exit)"
6454 (if group "local" "global")))))
6456 (defun gnus-group-edit-local-kill (article group)
6457 "Edit a local kill file."
6458 (interactive (list nil (gnus-group-group-name)))
6459 (gnus-group-edit-global-kill article group))
6461 (defun gnus-group-force-update ()
6462 "Update `.newsrc' file."
6464 (gnus-save-newsrc-file))
6466 (defun gnus-group-suspend ()
6467 "Suspend the current Gnus session.
6468 In fact, cleanup buffers except for group mode buffer.
6469 The hook gnus-suspend-gnus-hook is called before actually suspending."
6471 (run-hooks 'gnus-suspend-gnus-hook)
6472 ;; Kill Gnus buffers except for group mode buffer.
6473 (let ((group-buf (get-buffer gnus-group-buffer)))
6474 ;; Do this on a separate list in case the user does a ^G before we finish
6475 (let ((gnus-buffer-list
6476 (delq group-buf (delq gnus-dribble-buffer
6477 (append gnus-buffer-list nil)))))
6478 (while gnus-buffer-list
6479 (gnus-kill-buffer (car gnus-buffer-list))
6480 (setq gnus-buffer-list (cdr gnus-buffer-list))))
6483 (setq gnus-buffer-list (list group-buf))
6484 (bury-buffer group-buf)
6485 (delete-windows-on group-buf t)))))
6487 (defun gnus-group-clear-dribble ()
6488 "Clear all information from the dribble buffer."
6490 (gnus-dribble-clear)
6491 (gnus-message 7 "Cleared dribble buffer"))
6493 (defun gnus-group-exit ()
6494 "Quit reading news after updating .newsrc.eld and .newsrc.
6495 The hook `gnus-exit-gnus-hook' is called before actually exiting."
6498 (or noninteractive ;For gnus-batch-kill
6499 (not (gnus-server-opened gnus-select-method)) ;NNTP connection closed
6500 (not gnus-interactive-exit) ;Without confirmation
6502 (gnus-y-or-n-p "Are you sure you want to quit reading news? "))
6503 (run-hooks 'gnus-exit-gnus-hook)
6504 ;; Close down GroupLens.
6505 (when gnus-use-grouplens
6507 ;; Offer to save data from non-quitted summary buffers.
6508 (gnus-offer-save-summaries)
6509 ;; Save the newsrc file(s).
6510 (gnus-save-newsrc-file)
6512 (gnus-close-backends)
6513 ;; Shut down the cache.
6514 (when gnus-use-cache
6516 ;; Reset everything.
6518 ;; Allow the user to do things after cleaning up.
6519 (run-hooks 'gnus-after-exiting-gnus-hook)))
6521 (defun gnus-close-backends ()
6522 ;; Send a close request to all backends that support such a request.
6523 (let ((methods gnus-valid-select-methods)
6526 (if (fboundp (setq func (intern (concat (caar methods)
6527 "-request-close"))))
6529 (setq methods (cdr methods)))))
6531 (defun gnus-group-quit ()
6532 "Quit reading news without updating .newsrc.eld or .newsrc.
6533 The hook `gnus-exit-gnus-hook' is called before actually exiting."
6535 (when (or noninteractive ;For gnus-batch-kill
6536 (zerop (buffer-size))
6537 (not (gnus-server-opened gnus-select-method))
6539 (not gnus-current-startup-file)
6541 (format "Quit reading news without saving %s? "
6542 (file-name-nondirectory gnus-current-startup-file))))
6543 (run-hooks 'gnus-exit-gnus-hook)
6544 (if gnus-use-full-window
6545 (delete-other-windows)
6546 (gnus-remove-some-windows))
6548 (gnus-close-backends)
6549 ;; Shut down the cache.
6550 (when gnus-use-cache
6553 ;; Allow the user to do things after cleaning up.
6554 (run-hooks 'gnus-after-exiting-gnus-hook)))
6556 (defun gnus-offer-save-summaries ()
6557 "Offer to save all active summary buffers."
6559 (let ((buflist (buffer-list))
6561 ;; Go through all buffers and find all summaries.
6563 (and (setq bufname (buffer-name (car buflist)))
6564 (string-match "Summary" bufname)
6566 (set-buffer bufname)
6567 ;; We check that this is, indeed, a summary buffer.
6568 (and (eq major-mode 'gnus-summary-mode)
6569 ;; Also make sure this isn't bogus.
6570 gnus-newsgroup-prepared))
6571 (push bufname buffers))
6572 (setq buflist (cdr buflist)))
6573 ;; Go through all these summary buffers and offer to save them.
6576 "Update summary buffer %s? "
6577 (lambda (buf) (set-buffer buf) (gnus-summary-exit))
6580 (defun gnus-group-describe-briefly ()
6581 "Give a one line description of the group mode commands."
6583 (gnus-message 7 (substitute-command-keys "\\<gnus-group-mode-map>\\[gnus-group-read-group]:Select \\[gnus-group-next-unread-group]:Forward \\[gnus-group-prev-unread-group]:Backward \\[gnus-group-exit]:Exit \\[gnus-info-find-node]:Run Info \\[gnus-group-describe-briefly]:This help")))
6585 (defun gnus-group-browse-foreign-server (method)
6586 "Browse a foreign news server.
6587 If called interactively, this function will ask for a select method
6588 (nntp, nnspool, etc.) and a server address (eg. nntp.some.where).
6589 If not, METHOD should be a list where the first element is the method
6590 and the second element is the address."
6592 (list (let ((how (completing-read
6594 (append gnus-valid-select-methods gnus-server-alist)
6595 nil t (cons "nntp" 0))))
6596 ;; We either got a backend name or a virtual server name.
6597 ;; If the first, we also need an address.
6598 (if (assoc how gnus-valid-select-methods)
6600 ;; Suggested by mapjph@bath.ac.uk.
6603 (mapcar (lambda (server) (list server))
6604 gnus-secondary-servers)))
6605 ;; We got a server name, so we find the method.
6606 (gnus-server-to-method how)))))
6607 (gnus-browse-foreign-server method))
6611 ;;; Gnus summary mode
6614 (defvar gnus-summary-mode-map nil)
6616 (put 'gnus-summary-mode 'mode-class 'special)
6618 (unless gnus-summary-mode-map
6619 (setq gnus-summary-mode-map (make-keymap))
6620 (suppress-keymap gnus-summary-mode-map)
6622 ;; Non-orthogonal keys
6624 (gnus-define-keys gnus-summary-mode-map
6625 " " gnus-summary-next-page
6626 "\177" gnus-summary-prev-page
6627 [delete] gnus-summary-prev-page
6628 "\r" gnus-summary-scroll-up
6629 "n" gnus-summary-next-unread-article
6630 "p" gnus-summary-prev-unread-article
6631 "N" gnus-summary-next-article
6632 "P" gnus-summary-prev-article
6633 "\M-\C-n" gnus-summary-next-same-subject
6634 "\M-\C-p" gnus-summary-prev-same-subject
6635 "\M-n" gnus-summary-next-unread-subject
6636 "\M-p" gnus-summary-prev-unread-subject
6637 "." gnus-summary-first-unread-article
6638 "," gnus-summary-best-unread-article
6639 "\M-s" gnus-summary-search-article-forward
6640 "\M-r" gnus-summary-search-article-backward
6641 "<" gnus-summary-beginning-of-article
6642 ">" gnus-summary-end-of-article
6643 "j" gnus-summary-goto-article
6644 "^" gnus-summary-refer-parent-article
6645 "\M-^" gnus-summary-refer-article
6646 "u" gnus-summary-tick-article-forward
6647 "!" gnus-summary-tick-article-forward
6648 "U" gnus-summary-tick-article-backward
6649 "d" gnus-summary-mark-as-read-forward
6650 "D" gnus-summary-mark-as-read-backward
6651 "E" gnus-summary-mark-as-expirable
6652 "\M-u" gnus-summary-clear-mark-forward
6653 "\M-U" gnus-summary-clear-mark-backward
6654 "k" gnus-summary-kill-same-subject-and-select
6655 "\C-k" gnus-summary-kill-same-subject
6656 "\M-\C-k" gnus-summary-kill-thread
6657 "\M-\C-l" gnus-summary-lower-thread
6658 "e" gnus-summary-edit-article
6659 "#" gnus-summary-mark-as-processable
6660 "\M-#" gnus-summary-unmark-as-processable
6661 "\M-\C-t" gnus-summary-toggle-threads
6662 "\M-\C-s" gnus-summary-show-thread
6663 "\M-\C-h" gnus-summary-hide-thread
6664 "\M-\C-f" gnus-summary-next-thread
6665 "\M-\C-b" gnus-summary-prev-thread
6666 "\M-\C-u" gnus-summary-up-thread
6667 "\M-\C-d" gnus-summary-down-thread
6668 "&" gnus-summary-execute-command
6669 "c" gnus-summary-catchup-and-exit
6670 "\C-w" gnus-summary-mark-region-as-read
6671 "\C-t" gnus-summary-toggle-truncation
6672 "?" gnus-summary-mark-as-dormant
6673 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
6674 "\C-c\C-s\C-n" gnus-summary-sort-by-number
6675 "\C-c\C-s\C-a" gnus-summary-sort-by-author
6676 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
6677 "\C-c\C-s\C-d" gnus-summary-sort-by-date
6678 "\C-c\C-s\C-i" gnus-summary-sort-by-score
6679 "=" gnus-summary-expand-window
6680 "\C-x\C-s" gnus-summary-reselect-current-group
6681 "\M-g" gnus-summary-rescan-group
6682 "w" gnus-summary-stop-page-breaking
6683 "\C-c\C-r" gnus-summary-caesar-message
6684 "\M-t" gnus-summary-toggle-mime
6685 "f" gnus-summary-followup
6686 "F" gnus-summary-followup-with-original
6687 "C" gnus-summary-cancel-article
6688 "r" gnus-summary-reply
6689 "R" gnus-summary-reply-with-original
6690 "\C-c\C-f" gnus-summary-mail-forward
6691 "o" gnus-summary-save-article
6692 "\C-o" gnus-summary-save-article-mail
6693 "|" gnus-summary-pipe-output
6694 "\M-k" gnus-summary-edit-local-kill
6695 "\M-K" gnus-summary-edit-global-kill
6697 "\C-c\C-d" gnus-summary-describe-group
6698 "q" gnus-summary-exit
6699 "Q" gnus-summary-exit-no-update
6700 "\C-c\C-i" gnus-info-find-node
6701 gnus-mouse-2 gnus-mouse-pick-article
6702 "m" gnus-summary-mail-other-window
6703 "a" gnus-summary-post-news
6704 "x" gnus-summary-limit-to-unread
6705 "s" gnus-summary-isearch-article
6706 "t" gnus-article-hide-headers
6707 "g" gnus-summary-show-article
6708 "l" gnus-summary-goto-last-article
6709 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
6710 "\C-d" gnus-summary-enter-digest-group
6712 "*" gnus-cache-enter-article
6713 "\M-*" gnus-cache-remove-article
6714 "\M-&" gnus-summary-universal-argument
6715 "\C-l" gnus-recenter
6716 "I" gnus-summary-increase-score
6717 "L" gnus-summary-lower-score
6719 "V" gnus-summary-score-map
6720 "X" gnus-uu-extract-map
6721 "S" gnus-summary-send-map)
6723 ;; Sort of orthogonal keymap
6724 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
6725 "t" gnus-summary-tick-article-forward
6726 "!" gnus-summary-tick-article-forward
6727 "d" gnus-summary-mark-as-read-forward
6728 "r" gnus-summary-mark-as-read-forward
6729 "c" gnus-summary-clear-mark-forward
6730 " " gnus-summary-clear-mark-forward
6731 "e" gnus-summary-mark-as-expirable
6732 "x" gnus-summary-mark-as-expirable
6733 "?" gnus-summary-mark-as-dormant
6734 "b" gnus-summary-set-bookmark
6735 "B" gnus-summary-remove-bookmark
6736 "#" gnus-summary-mark-as-processable
6737 "\M-#" gnus-summary-unmark-as-processable
6738 "S" gnus-summary-limit-include-expunged
6739 "C" gnus-summary-catchup
6740 "H" gnus-summary-catchup-to-here
6741 "\C-c" gnus-summary-catchup-all
6742 "k" gnus-summary-kill-same-subject-and-select
6743 "K" gnus-summary-kill-same-subject
6744 "P" gnus-uu-mark-map)
6746 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mode-map)
6747 "c" gnus-summary-clear-above
6748 "u" gnus-summary-tick-above
6749 "m" gnus-summary-mark-above
6750 "k" gnus-summary-kill-below)
6752 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
6753 "/" gnus-summary-limit-to-subject
6754 "n" gnus-summary-limit-to-articles
6755 "w" gnus-summary-pop-limit
6756 "s" gnus-summary-limit-to-subject
6757 "a" gnus-summary-limit-to-author
6758 "u" gnus-summary-limit-to-unread
6759 "m" gnus-summary-limit-to-marks
6760 "v" gnus-summary-limit-to-score
6761 "D" gnus-summary-limit-include-dormant
6762 "d" gnus-summary-limit-exclude-dormant
6763 ;; "t" gnus-summary-limit-exclude-thread
6764 "E" gnus-summary-limit-include-expunged
6765 "c" gnus-summary-limit-exclude-childless-dormant
6766 "C" gnus-summary-limit-mark-excluded-as-read)
6768 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
6769 "n" gnus-summary-next-unread-article
6770 "p" gnus-summary-prev-unread-article
6771 "N" gnus-summary-next-article
6772 "P" gnus-summary-prev-article
6773 "\C-n" gnus-summary-next-same-subject
6774 "\C-p" gnus-summary-prev-same-subject
6775 "\M-n" gnus-summary-next-unread-subject
6776 "\M-p" gnus-summary-prev-unread-subject
6777 "f" gnus-summary-first-unread-article
6778 "b" gnus-summary-best-unread-article
6779 "g" gnus-summary-goto-subject
6780 "l" gnus-summary-goto-last-article
6781 "p" gnus-summary-pop-article)
6783 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
6784 "k" gnus-summary-kill-thread
6785 "l" gnus-summary-lower-thread
6786 "i" gnus-summary-raise-thread
6787 "T" gnus-summary-toggle-threads
6788 "t" gnus-summary-rethread-current
6789 "^" gnus-summary-reparent-thread
6790 "s" gnus-summary-show-thread
6791 "S" gnus-summary-show-all-threads
6792 "h" gnus-summary-hide-thread
6793 "H" gnus-summary-hide-all-threads
6794 "n" gnus-summary-next-thread
6795 "p" gnus-summary-prev-thread
6796 "u" gnus-summary-up-thread
6797 "o" gnus-summary-top-thread
6798 "d" gnus-summary-down-thread
6799 "#" gnus-uu-mark-thread
6800 "\M-#" gnus-uu-unmark-thread)
6802 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
6803 "c" gnus-summary-catchup-and-exit
6804 "C" gnus-summary-catchup-all-and-exit
6805 "E" gnus-summary-exit-no-update
6806 "Q" gnus-summary-exit
6807 "Z" gnus-summary-exit
6808 "n" gnus-summary-catchup-and-goto-next-group
6809 "R" gnus-summary-reselect-current-group
6810 "G" gnus-summary-rescan-group
6811 "N" gnus-summary-next-group
6812 "P" gnus-summary-prev-group)
6814 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
6815 " " gnus-summary-next-page
6816 "n" gnus-summary-next-page
6817 "\177" gnus-summary-prev-page
6818 [delete] gnus-summary-prev-page
6819 "p" gnus-summary-prev-page
6820 "\r" gnus-summary-scroll-up
6821 "<" gnus-summary-beginning-of-article
6822 ">" gnus-summary-end-of-article
6823 "b" gnus-summary-beginning-of-article
6824 "e" gnus-summary-end-of-article
6825 "^" gnus-summary-refer-parent-article
6826 "r" gnus-summary-refer-parent-article
6827 "R" gnus-summary-refer-references
6828 "g" gnus-summary-show-article
6829 "s" gnus-summary-isearch-article)
6831 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
6832 "b" gnus-article-add-buttons
6833 "B" gnus-article-add-buttons-to-head
6834 "o" gnus-article-treat-overstrike
6835 ;; "w" gnus-article-word-wrap
6836 "w" gnus-article-fill-cited-article
6837 "c" gnus-article-remove-cr
6838 "L" gnus-article-remove-trailing-blank-lines
6839 "q" gnus-article-de-quoted-unreadable
6840 "f" gnus-article-display-x-face
6841 "l" gnus-summary-stop-page-breaking
6842 "r" gnus-summary-caesar-message
6843 "t" gnus-article-hide-headers
6844 "v" gnus-summary-verbose-headers
6845 "m" gnus-summary-toggle-mime)
6847 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
6848 "a" gnus-article-hide
6849 "h" gnus-article-hide-headers
6850 "b" gnus-article-hide-boring-headers
6851 "s" gnus-article-hide-signature
6852 "c" gnus-article-hide-citation
6853 "p" gnus-article-hide-pgp
6854 "\C-c" gnus-article-hide-citation-maybe)
6856 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
6857 "a" gnus-article-highlight
6858 "h" gnus-article-highlight-headers
6859 "c" gnus-article-highlight-citation
6860 "s" gnus-article-highlight-signature)
6862 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
6863 "z" gnus-article-date-ut
6864 "u" gnus-article-date-ut
6865 "l" gnus-article-date-local
6866 "e" gnus-article-date-lapsed
6867 "o" gnus-article-date-original)
6869 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
6871 "f" gnus-summary-fetch-faq
6872 "d" gnus-summary-describe-group
6873 "h" gnus-summary-describe-briefly
6874 "i" gnus-info-find-node)
6876 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
6877 "e" gnus-summary-expire-articles
6878 "\M-\C-e" gnus-summary-expire-articles-now
6879 "\177" gnus-summary-delete-article
6880 [delete] gnus-summary-delete-article
6881 "m" gnus-summary-move-article
6882 "r" gnus-summary-respool-article
6883 "w" gnus-summary-edit-article
6884 "c" gnus-summary-copy-article
6885 "B" gnus-summary-crosspost-article
6886 "q" gnus-summary-respool-query
6887 "i" gnus-summary-import-article)
6889 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
6890 "o" gnus-summary-save-article
6891 "m" gnus-summary-save-article-mail
6892 "r" gnus-summary-save-article-rmail
6893 "f" gnus-summary-save-article-file
6894 "b" gnus-summary-save-article-body-file
6895 "h" gnus-summary-save-article-folder
6896 "v" gnus-summary-save-article-vm
6897 "p" gnus-summary-pipe-output
6898 "s" gnus-soup-add-article)
6903 (defun gnus-summary-mode (&optional group)
6904 "Major mode for reading articles.
6906 All normal editing commands are switched off.
6907 \\<gnus-summary-mode-map>
6908 Each line in this buffer represents one article. To read an
6909 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
6910 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
6913 You can also post articles and send mail from this buffer. To
6914 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
6915 of an article, type `\\[gnus-summary-reply]'.
6917 There are approx. one gazillion commands you can execute in this
6918 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
6920 The following commands are available:
6922 \\{gnus-summary-mode-map}"
6924 (when (and menu-bar-mode
6925 (gnus-visual-p 'summary-menu 'menu))
6926 (gnus-summary-make-menu-bar))
6927 (kill-all-local-variables)
6928 (let ((locals gnus-summary-local-variables))
6930 (if (consp (car locals))
6932 (make-local-variable (caar locals))
6933 (set (caar locals) (eval (cdar locals))))
6934 (make-local-variable (car locals))
6935 (set (car locals) nil))
6936 (setq locals (cdr locals))))
6937 (gnus-make-thread-indent-array)
6938 (gnus-simplify-mode-line)
6939 (setq major-mode 'gnus-summary-mode)
6940 (setq mode-name "Summary")
6941 (make-local-variable 'minor-mode-alist)
6942 (use-local-map gnus-summary-mode-map)
6943 (buffer-disable-undo (current-buffer))
6944 (setq buffer-read-only t) ;Disable modification
6945 (setq truncate-lines t)
6946 (setq selective-display t)
6947 (setq selective-display-ellipses t) ;Display `...'
6948 (setq buffer-display-table gnus-summary-display-table)
6949 (setq gnus-newsgroup-name group)
6950 (run-hooks 'gnus-summary-mode-hook))
6952 (defun gnus-summary-make-display-table ()
6953 ;; Change the display table. Odd characters have a tendency to mess
6954 ;; up nicely formatted displays - we make all possible glyphs
6955 ;; display only a single character.
6957 ;; We start from the standard display table, if any.
6958 (setq gnus-summary-display-table
6959 (or (copy-sequence standard-display-table)
6960 (make-display-table)))
6961 ;; Nix out all the control chars...
6963 (while (>= (setq i (1- i)) 0)
6964 (aset gnus-summary-display-table i [??])))
6965 ;; ... but not newline and cr, of course. (cr is necessary for the
6966 ;; selective display).
6967 (aset gnus-summary-display-table ?\n nil)
6968 (aset gnus-summary-display-table ?\r nil)
6969 ;; We nix out any glyphs over 126 that are not set already.
6971 (while (>= (setq i (1- i)) 127)
6972 ;; Only modify if the entry is nil.
6973 (or (aref gnus-summary-display-table i)
6974 (aset gnus-summary-display-table i [??])))))
6976 (defun gnus-summary-clear-local-variables ()
6977 (let ((locals gnus-summary-local-variables))
6979 (if (consp (car locals))
6980 (and (vectorp (caar locals))
6981 (set (caar locals) nil))
6982 (and (vectorp (car locals))
6983 (set (car locals) nil)))
6984 (setq locals (cdr locals)))))
6986 ;; Summary data functions.
6988 (defmacro gnus-data-number (data)
6991 (defmacro gnus-data-set-number (data number)
6992 `(setcar ,data ,number))
6994 (defmacro gnus-data-mark (data)
6997 (defmacro gnus-data-set-mark (data mark)
6998 `(setcar (nthcdr 1 ,data) ,mark))
7000 (defmacro gnus-data-pos (data)
7003 (defmacro gnus-data-set-pos (data pos)
7004 `(setcar (nthcdr 2 ,data) ,pos))
7006 (defmacro gnus-data-header (data)
7009 (defmacro gnus-data-level (data)
7012 (defmacro gnus-data-unread-p (data)
7013 `(= (nth 1 ,data) gnus-unread-mark))
7015 (defmacro gnus-data-pseudo-p (data)
7016 `(consp (nth 3 ,data)))
7018 (defmacro gnus-data-find (number)
7019 `(assq ,number gnus-newsgroup-data))
7021 (defmacro gnus-data-find-list (number &optional data)
7022 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
7023 (memq (assq ,number bdata)
7026 (defmacro gnus-data-make (number mark pos header level)
7027 `(list ,number ,mark ,pos ,header ,level))
7029 (defun gnus-data-enter (after-article number mark pos header level offset)
7030 (let ((data (gnus-data-find-list after-article)))
7031 (or data (error "No such article: %d" after-article))
7032 (setcdr data (cons (gnus-data-make number mark pos header level)
7034 (setq gnus-newsgroup-data-reverse nil)
7035 (gnus-data-update-list (cddr data) offset)))
7037 (defun gnus-data-enter-list (after-article list &optional offset)
7039 (let ((data (and after-article (gnus-data-find-list after-article)))
7041 (or data (not after-article) (error "No such article: %d" after-article))
7042 ;; Find the last element in the list to be spliced into the main
7045 (setq list (cdr list)))
7048 (setcdr list gnus-newsgroup-data)
7049 (setq gnus-newsgroup-data ilist)
7050 (and offset (gnus-data-update-list (cdr list) offset)))
7051 (setcdr list (cdr data))
7053 (and offset (gnus-data-update-list (cdr data) offset)))
7054 (setq gnus-newsgroup-data-reverse nil))))
7056 (defun gnus-data-remove (article &optional offset)
7057 (let ((data gnus-newsgroup-data))
7058 (if (= (gnus-data-number (car data)) article)
7059 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
7060 gnus-newsgroup-data-reverse nil)
7062 (and (= (gnus-data-number (cadr data)) article)
7064 (setcdr data (cddr data))
7065 (and offset (gnus-data-update-list (cdr data) offset))
7067 gnus-newsgroup-data-reverse nil)))
7068 (setq data (cdr data))))))
7070 (defmacro gnus-data-list (backward)
7072 (or gnus-newsgroup-data-reverse
7073 (setq gnus-newsgroup-data-reverse
7074 (reverse gnus-newsgroup-data)))
7075 gnus-newsgroup-data))
7077 (defun gnus-data-update-list (data offset)
7078 "Add OFFSET to the POS of all data entries in DATA."
7080 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
7081 (setq data (cdr data))))
7083 (defun gnus-data-compute-positions ()
7084 "Compute the positions of all articles."
7085 (let ((data gnus-newsgroup-data)
7088 (when (setq pos (text-property-any
7089 (point-min) (point-max)
7090 'gnus-number (gnus-data-number (car data))))
7091 (gnus-data-set-pos (car data) (+ pos 3)))
7092 (setq data (cdr data)))))
7094 (defun gnus-summary-article-pseudo-p (article)
7095 "Say whether this article is a pseudo article or not."
7096 (not (vectorp (gnus-data-header (gnus-data-find article)))))
7098 (defun gnus-article-parent-p (number)
7099 "Say whether this article is a parent or not."
7100 (let ((data (gnus-data-find-list number)))
7101 (and (cdr data) ; There has to be an article after...
7102 (< (gnus-data-level (car data)) ; And it has to have a higher level.
7103 (gnus-data-level (nth 1 data))))))
7105 (defun gnus-article-children (number)
7106 "Return a list of all children to NUMBER."
7107 (let* ((data (gnus-data-find-list number))
7108 (level (gnus-data-level (car data)))
7110 (setq data (cdr data))
7112 (= (gnus-data-level (car data)) (1+ level)))
7113 (push (gnus-data-number (car data)) children)
7114 (setq data (cdr data)))
7117 (defmacro gnus-summary-skip-intangible ()
7118 "If the current article is intangible, then jump to a different article."
7119 '(let ((to (get-text-property (point) 'gnus-intangible)))
7120 (and to (gnus-summary-goto-subject to))))
7122 (defmacro gnus-summary-article-intangible-p ()
7123 "Say whether this article is intangible or not."
7124 '(get-text-property (point) 'gnus-intangible))
7126 ;; Some summary mode macros.
7128 (defmacro gnus-summary-article-number ()
7129 "The article number of the article on the current line.
7130 If there isn's an article number here, then we return the current
7133 (gnus-summary-skip-intangible)
7134 (or (get-text-property (point) 'gnus-number)
7135 (gnus-summary-last-subject))))
7137 (defmacro gnus-summary-article-header (&optional number)
7138 `(gnus-data-header (gnus-data-find
7139 ,(or number '(gnus-summary-article-number)))))
7141 (defmacro gnus-summary-thread-level (&optional number)
7142 `(if (and (eq gnus-summary-make-false-root 'dummy)
7143 (get-text-property (point) 'gnus-intangible))
7145 (gnus-data-level (gnus-data-find
7146 ,(or number '(gnus-summary-article-number))))))
7148 (defmacro gnus-summary-article-mark (&optional number)
7149 `(gnus-data-mark (gnus-data-find
7150 ,(or number '(gnus-summary-article-number)))))
7152 (defmacro gnus-summary-article-pos (&optional number)
7153 `(gnus-data-pos (gnus-data-find
7154 ,(or number '(gnus-summary-article-number)))))
7156 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
7157 (defmacro gnus-summary-article-subject (&optional number)
7158 "Return current subject string or nil if nothing."
7161 `(gnus-data-header (assq ,number gnus-newsgroup-data))
7162 '(gnus-data-header (assq (gnus-summary-article-number)
7163 gnus-newsgroup-data)))))
7166 (mail-header-subject headers))))
7168 (defmacro gnus-summary-article-score (&optional number)
7169 "Return current article score."
7170 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
7171 gnus-newsgroup-scored))
7172 gnus-summary-default-score 0))
7174 (defun gnus-summary-article-children (&optional number)
7175 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
7176 (level (gnus-data-level (car data)))
7178 (while (and (setq data (cdr data))
7179 (> (setq l (gnus-data-level (car data))) level))
7180 (and (= (1+ level) l)
7181 (setq children (cons (gnus-data-number (car data))
7183 (nreverse children)))
7185 (defun gnus-summary-article-parent (&optional number)
7186 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
7187 (gnus-data-list t)))
7188 (level (gnus-data-level (car data)))
7191 () ; This is a root.
7192 ;; We search until we find an article with a level less than
7193 ;; this one. That function has to be the parent.
7194 (while (and (setq data (cdr data))
7195 (not (< (gnus-data-level (car data)) level))))
7196 (and data (gnus-data-number (car data))))))
7198 (defun gnus-unread-mark-p (mark)
7199 "Say whether MARK is the unread mark."
7200 (= mark gnus-unread-mark))
7202 (defun gnus-read-mark-p (mark)
7203 "Say whether MARK is one of the marks that mark as read.
7204 This is all marks except unread, ticked, dormant, and expirable."
7205 (not (or (= mark gnus-unread-mark)
7206 (= mark gnus-ticked-mark)
7207 (= mark gnus-dormant-mark)
7208 (= mark gnus-expirable-mark))))
7210 ;; Various summary mode internalish functions.
7212 (defun gnus-mouse-pick-article (e)
7215 (gnus-summary-next-page nil t))
7217 (defun gnus-summary-setup-buffer (group)
7218 "Initialize summary buffer."
7219 (let ((buffer (concat "*Summary " group "*")))
7220 (if (get-buffer buffer)
7223 (setq gnus-summary-buffer (current-buffer))
7224 (not gnus-newsgroup-prepared))
7225 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
7226 (setq gnus-summary-buffer (set-buffer (get-buffer-create buffer)))
7227 (gnus-add-current-to-buffer-list)
7228 (gnus-summary-mode group)
7230 (gnus-carpal-setup-buffer 'summary))
7231 (unless gnus-single-article-buffer
7232 (make-local-variable 'gnus-article-buffer)
7233 (make-local-variable 'gnus-original-article-buffer))
7234 (setq gnus-newsgroup-name group)
7237 (defun gnus-set-global-variables ()
7238 ;; Set the global equivalents of the summary buffer-local variables
7239 ;; to the latest values they had. These reflect the summary buffer
7240 ;; that was in action when the last article was fetched.
7241 (when (eq major-mode 'gnus-summary-mode)
7242 (setq gnus-summary-buffer (current-buffer))
7243 (let ((name gnus-newsgroup-name)
7244 (marked gnus-newsgroup-marked)
7245 (unread gnus-newsgroup-unreads)
7246 (headers gnus-current-headers)
7247 (data gnus-newsgroup-data)
7248 (article-buffer gnus-article-buffer)
7249 (original gnus-original-article-buffer)
7250 (score-file gnus-current-score-file))
7252 (set-buffer gnus-group-buffer)
7253 (setq gnus-newsgroup-name name)
7254 (setq gnus-newsgroup-marked marked)
7255 (setq gnus-newsgroup-unreads unread)
7256 (setq gnus-current-headers headers)
7257 (setq gnus-newsgroup-data data)
7258 (setq gnus-article-buffer article-buffer)
7259 (setq gnus-original-article-buffer original)
7260 (setq gnus-current-score-file score-file)))))
7262 (defun gnus-summary-last-article-p (&optional article)
7263 "Return whether ARTICLE is the last article in the buffer."
7264 (if (not (setq article (or article (gnus-summary-article-number))))
7265 t ; All non-existant numbers are the last article. :-)
7266 (cdr (gnus-data-find-list article))))
7268 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
7269 "Insert a dummy root in the summary buffer."
7271 (add-text-properties
7272 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
7273 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
7275 (defvar gnus-thread-indent-array nil)
7276 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
7277 (defun gnus-make-thread-indent-array ()
7279 (if (and gnus-thread-indent-array
7280 (= gnus-thread-indent-level gnus-thread-indent-array-level))
7282 (setq gnus-thread-indent-array (make-vector 201 "")
7283 gnus-thread-indent-array-level gnus-thread-indent-level)
7285 (aset gnus-thread-indent-array n
7286 (make-string (* n gnus-thread-indent-level) ? ))
7289 (defun gnus-summary-insert-line
7290 (gnus-tmp-header gnus-tmp-level gnus-tmp-current gnus-tmp-unread
7291 gnus-tmp-replied gnus-tmp-expirable gnus-tmp-subject-or-nil
7292 &optional gnus-tmp-dummy gnus-tmp-score gnus-tmp-process)
7293 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
7294 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
7295 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
7296 (gnus-tmp-score-char
7297 (if (or (null gnus-summary-default-score)
7298 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
7299 gnus-summary-zcore-fuzz)) ?
7300 (if (< gnus-tmp-score gnus-summary-default-score)
7301 gnus-score-below-mark gnus-score-over-mark)))
7302 (gnus-tmp-replied (cond (gnus-tmp-process gnus-process-mark)
7303 ((memq gnus-tmp-current gnus-newsgroup-cached)
7305 (gnus-tmp-replied gnus-replied-mark)
7306 ((memq gnus-tmp-current gnus-newsgroup-saved)
7308 (t gnus-unread-mark)))
7309 (gnus-tmp-from (mail-header-from gnus-tmp-header))
7312 ((string-match "(.+)" gnus-tmp-from)
7313 (substring gnus-tmp-from
7314 (1+ (match-beginning 0)) (1- (match-end 0))))
7315 ((string-match "<[^>]+> *$" gnus-tmp-from)
7316 (let ((beg (match-beginning 0)))
7317 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
7318 (substring gnus-tmp-from (1+ (match-beginning 0))
7319 (1- (match-end 0))))
7320 (substring gnus-tmp-from 0 beg))))
7322 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
7323 (gnus-tmp-number (mail-header-number gnus-tmp-header))
7324 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
7325 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
7326 (buffer-read-only nil))
7327 (when (string= gnus-tmp-name "")
7328 (setq gnus-tmp-name gnus-tmp-from))
7329 (or (numberp gnus-tmp-lines) (setq gnus-tmp-lines 0))
7332 (progn (eval gnus-summary-line-format-spec) (point))
7333 'gnus-number gnus-tmp-number)
7334 (when (gnus-visual-p 'summary-highlight 'highlight)
7336 (run-hooks 'gnus-summary-update-hook)
7339 (defun gnus-summary-update-line (&optional dont-update)
7340 ;; Update summary line after change.
7341 (when (and gnus-summary-default-score
7342 (not gnus-summary-inhibit-highlight))
7343 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
7344 (article (gnus-summary-article-number))
7345 (score (gnus-summary-article-score article)))
7347 (if (and gnus-summary-mark-below
7348 (< (gnus-summary-article-score)
7349 gnus-summary-mark-below))
7350 ;; This article has a low score, so we mark it as read.
7351 (when (memq article gnus-newsgroup-unreads)
7352 (gnus-summary-mark-article-as-read gnus-low-score-mark))
7353 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
7354 ;; This article was previously marked as read on account
7355 ;; of a low score, but now it has risen, so we mark it as
7357 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
7358 (gnus-summary-update-mark
7359 (if (or (null gnus-summary-default-score)
7360 (<= (abs (- score gnus-summary-default-score))
7361 gnus-summary-zcore-fuzz)) ?
7362 (if (< score gnus-summary-default-score)
7363 gnus-score-below-mark gnus-score-over-mark)) 'score))
7364 ;; Do visual highlighting.
7365 (when (gnus-visual-p 'summary-highlight 'highlight)
7366 (run-hooks 'gnus-summary-update-hook)))))
7368 (defvar gnus-tmp-new-adopts nil)
7370 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
7371 ;; Sum up all elements (and sub-elements) in a list.
7373 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
7375 ((and (consp thread) (cdr thread))
7378 'gnus-summary-number-of-articles-in-thread (cdr thread))))
7381 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
7384 (when (and level (zerop level) gnus-tmp-new-adopts)
7387 'gnus-summary-number-of-articles-in-thread
7388 gnus-tmp-new-adopts))))
7390 (if (> number 1) gnus-not-empty-thread-mark
7391 gnus-empty-thread-mark)
7394 (defun gnus-summary-set-local-parameters (group)
7395 "Go through the local params of GROUP and set all variable specs in that list."
7396 (let ((params (gnus-info-params (gnus-get-info group)))
7399 (setq elem (car params)
7400 params (cdr params))
7401 (and (consp elem) ; Has to be a cons.
7402 (consp (cdr elem)) ; The cdr has to be a list.
7403 (symbolp (car elem)) ; Has to be a symbol in there.
7404 (not (memq (car elem)
7405 '(quit-config to-address to-list to-group)))
7406 (progn ; So we set it.
7407 (make-local-variable (car elem))
7408 (set (car elem) (eval (nth 1 elem))))))))
7410 (defun gnus-summary-read-group
7411 (group &optional show-all no-article kill-buffer no-display)
7412 "Start reading news in newsgroup GROUP.
7413 If SHOW-ALL is non-nil, already read articles are also listed.
7414 If NO-ARTICLE is non-nil, no article is selected initially.
7415 If NO-DISPLAY, don't generate a summary buffer."
7416 (gnus-message 5 "Retrieving newsgroup: %s..." group)
7417 (let* ((new-group (gnus-summary-setup-buffer group))
7418 (quit-config (gnus-group-quit-config group))
7419 (did-select (and new-group (gnus-select-newsgroup group show-all))))
7421 ;; This summary buffer exists already, so we just select it.
7423 (gnus-set-global-variables)
7425 (gnus-kill-or-deaden-summary kill-buffer))
7426 (gnus-configure-windows 'summary 'force)
7427 (gnus-set-mode-line 'summary)
7428 (gnus-summary-position-point)
7431 ;; We couldn't select this group.
7433 (when (and (eq major-mode 'gnus-summary-mode)
7434 (not (equal (current-buffer) kill-buffer)))
7435 (kill-buffer (current-buffer))
7436 (if (not quit-config)
7438 (set-buffer gnus-group-buffer)
7439 (gnus-group-jump-to-group group)
7440 (gnus-group-next-unread-group 1))
7441 (if (not (buffer-name (car quit-config)))
7442 (gnus-configure-windows 'group 'force)
7443 (set-buffer (car quit-config))
7444 (and (eq major-mode 'gnus-summary-mode)
7445 (gnus-set-global-variables))
7446 (gnus-configure-windows (cdr quit-config)))))
7447 (gnus-message 3 "Can't select group")
7449 ;; The user did a `C-g' while prompting for number of articles,
7450 ;; so we exit this group.
7451 ((eq did-select 'quit)
7452 (and (eq major-mode 'gnus-summary-mode)
7453 (not (equal (current-buffer) kill-buffer))
7454 (kill-buffer (current-buffer)))
7456 (gnus-kill-or-deaden-summary kill-buffer))
7457 (if (not quit-config)
7459 (set-buffer gnus-group-buffer)
7460 (gnus-group-jump-to-group group)
7461 (gnus-group-next-unread-group 1)
7462 (gnus-configure-windows 'group 'force))
7463 (if (not (buffer-name (car quit-config)))
7464 (gnus-configure-windows 'group 'force)
7465 (set-buffer (car quit-config))
7466 (and (eq major-mode 'gnus-summary-mode)
7467 (gnus-set-global-variables))
7468 (gnus-configure-windows (cdr quit-config))))
7469 ;; Finally signal the quit.
7471 ;; The group was successfully selected.
7473 (gnus-set-global-variables)
7474 ;; Save the active value in effect when the group was entered.
7475 (setq gnus-newsgroup-active
7477 (gnus-active gnus-newsgroup-name)))
7478 ;; You can change the summary buffer in some way with this hook.
7479 (run-hooks 'gnus-select-group-hook)
7480 ;; Set any local variables in the group parameters.
7481 (gnus-summary-set-local-parameters gnus-newsgroup-name)
7482 (gnus-update-format-specifications)
7483 ;; Do score processing.
7484 (when gnus-use-scoring
7485 (gnus-possibly-score-headers))
7486 ;; Check whether to fill in the gaps in the threads.
7487 (when gnus-build-sparse-threads
7488 (gnus-build-sparse-threads))
7489 ;; Find the initial limit.
7491 (let ((gnus-newsgroup-dormant nil))
7492 (gnus-summary-initial-limit show-all))
7493 (gnus-summary-initial-limit show-all))
7494 ;; Generate the summary buffer.
7496 (gnus-summary-prepare))
7497 (when gnus-use-trees
7498 (gnus-tree-open group)
7499 (setq gnus-summary-highlight-line-function
7500 'gnus-tree-highlight-article))
7501 ;; If the summary buffer is empty, but there are some low-scored
7502 ;; articles or some excluded dormants, we include these in the
7504 (when (and (zerop (buffer-size))
7506 (cond (gnus-newsgroup-dormant
7507 (gnus-summary-limit-include-dormant))
7508 ((and gnus-newsgroup-scored show-all)
7509 (gnus-summary-limit-include-expunged))))
7510 ;; Function `gnus-apply-kill-file' must be called in this hook.
7511 (run-hooks 'gnus-apply-kill-hook)
7512 (if (and (zerop (buffer-size))
7515 ;; This newsgroup is empty.
7516 (gnus-summary-catchup-and-exit nil t) ;Without confirmations.
7517 (gnus-message 6 "No unread news")
7519 (gnus-kill-or-deaden-summary kill-buffer))
7520 ;; Return nil from this function.
7522 ;; Hide conversation thread subtrees. We cannot do this in
7523 ;; gnus-summary-prepare-hook since kill processing may not
7524 ;; work with hidden articles.
7525 (and gnus-show-threads
7526 gnus-thread-hide-subtree
7527 (gnus-summary-hide-all-threads))
7528 ;; Show first unread article if requested.
7529 (if (and (not no-article)
7531 gnus-newsgroup-unreads
7532 gnus-auto-select-first)
7533 (if (eq gnus-auto-select-first 'best)
7534 (gnus-summary-best-unread-article)
7535 (gnus-summary-first-unread-article))
7536 ;; Don't select any articles, just move point to the first
7537 ;; article in the group.
7538 (goto-char (point-min))
7539 (gnus-summary-position-point)
7540 (gnus-set-mode-line 'summary)
7541 (gnus-configure-windows 'summary 'force))
7542 ;; If we are in async mode, we send some info to the backend.
7543 (when gnus-newsgroup-async
7544 (gnus-request-asynchronous gnus-newsgroup-name gnus-newsgroup-data))
7546 (gnus-kill-or-deaden-summary kill-buffer))
7547 (when (get-buffer-window gnus-group-buffer t)
7548 ;; Gotta use windows, because recenter does wierd stuff if
7549 ;; the current buffer ain't the displayed window.
7550 (let ((owin (selected-window)))
7551 (select-window (get-buffer-window gnus-group-buffer t))
7552 (when (gnus-group-goto-group group)
7554 (select-window owin))))
7555 ;; Mark this buffer as "prepared".
7556 (setq gnus-newsgroup-prepared t)
7559 (defun gnus-summary-prepare ()
7560 "Generate the summary buffer."
7561 (let ((buffer-read-only nil))
7563 (setq gnus-newsgroup-data nil
7564 gnus-newsgroup-data-reverse nil)
7565 (run-hooks 'gnus-summary-generate-hook)
7566 ;; Generate the buffer, either with threads or without.
7567 (when gnus-newsgroup-headers
7568 (gnus-summary-prepare-threads
7569 (if gnus-show-threads
7570 (gnus-sort-gathered-threads
7571 (funcall gnus-summary-thread-gathering-function
7573 (gnus-cut-threads (gnus-make-threads)))))
7574 ;; Unthreaded display.
7575 (gnus-sort-articles gnus-newsgroup-headers))))
7576 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
7577 ;; Call hooks for modifying summary buffer.
7578 (goto-char (point-min))
7579 (run-hooks 'gnus-summary-prepare-hook)))
7581 (defun gnus-gather-threads-by-subject (threads)
7582 "Gather threads by looking at Subject headers."
7583 (if (not gnus-summary-make-false-root)
7585 (let ((hashtb (gnus-make-hashtable 1023))
7588 subject hthread whole-subject)
7590 (setq whole-subject (mail-header-subject (caar threads)))
7591 (if (and gnus-summary-gather-exclude-subject
7592 (string-match gnus-summary-gather-exclude-subject
7594 () ; We don't want to do anything with this article.
7595 ;; We simplify the subject before looking it up in the
7599 ;; Truncate the subject.
7600 ((numberp gnus-summary-gather-subject-limit)
7601 (setq subject (gnus-simplify-subject-re whole-subject))
7602 (if (> (length subject) gnus-summary-gather-subject-limit)
7603 (substring subject 0 gnus-summary-gather-subject-limit)
7605 ;; Fuzzily simplify it.
7606 ((eq 'fuzzy gnus-summary-gather-subject-limit)
7607 (gnus-simplify-subject-fuzzy whole-subject))
7608 ;; Just remove the leading "Re:".
7610 (gnus-simplify-subject-re whole-subject))))
7612 (if (setq hthread (gnus-gethash subject hashtb))
7614 ;; We enter a dummy root into the thread, if we
7615 ;; haven't done that already.
7616 (unless (stringp (caar hthread))
7617 (setcar hthread (list whole-subject (car hthread))))
7618 ;; We add this new gathered thread to this gathered
7620 (setcdr (car hthread)
7621 (nconc (cdar hthread) (list (car threads))))
7622 ;; Remove it from the list of threads.
7623 (setcdr prev (cdr threads))
7624 (setq threads prev))
7625 ;; Enter this thread into the hash table.
7626 (gnus-sethash subject threads hashtb)))
7628 (setq threads (cdr threads)))
7631 (defun gnus-summary-gather-threads-by-references (threads)
7632 "Gather threads by looking at References headers."
7633 (let ((idhashtb (gnus-make-hashtable 1023))
7634 (thhashtb (gnus-make-hashtable 1023))
7637 ids references id gthread gid entered)
7639 (when (setq references (mail-header-references (caar threads)))
7640 (setq id (mail-header-id (caar threads)))
7641 (setq ids (gnus-split-references references))
7644 (if (not (setq gid (gnus-gethash (car ids) idhashtb)))
7646 (gnus-sethash (car ids) id idhashtb)
7647 (gnus-sethash id threads thhashtb))
7648 (setq gthread (gnus-gethash gid thhashtb))
7650 ;; We enter a dummy root into the thread, if we
7651 ;; haven't done that already.
7652 (unless (stringp (caar gthread))
7653 (setcar gthread (list (mail-header-subject (caar gthread))
7655 ;; We add this new gathered thread to this gathered
7657 (setcdr (car gthread)
7658 (nconc (cdar gthread) (list (car threads)))))
7659 ;; Add it into the thread hash table.
7660 (gnus-sethash id gthread thhashtb)
7662 ;; Remove it from the list of threads.
7663 (setcdr prev (cdr threads))
7664 (setq threads prev))
7665 (setq ids (cdr ids))))
7667 (setq threads (cdr threads)))
7670 (defun gnus-sort-gathered-threads (threads)
7671 "Sort subtreads inside each gathered thread by article number."
7672 (let ((result threads))
7674 (when (stringp (caar threads))
7675 (setcdr (car threads)
7676 (sort (cdar threads) 'gnus-thread-sort-by-number)))
7677 (setq threads (cdr threads)))
7680 (defun gnus-make-threads ()
7681 "Go through the dependency hashtb and find the roots. Return all threads."
7685 (unless (car (symbol-value refs))
7686 ;; These threads do not refer back to any other articles,
7687 ;; so they're roots.
7688 (setq threads (append (cdr (symbol-value refs)) threads))))
7689 gnus-newsgroup-dependencies)
7692 (defun gnus-build-sparse-threads ()
7693 (let ((headers gnus-newsgroup-headers)
7694 (deps gnus-newsgroup-dependencies)
7695 header references generation relations
7696 cthread subject child end pthread relation)
7697 ;; First we create an alist of generations/relations, where
7698 ;; generations is how much we trust the ralation, and the relation
7700 (gnus-message 7 "Making sparse threads...")
7702 (nnheader-set-temp-buffer " *gnus sparse threads*")
7703 (while (setq header (pop headers))
7704 (when (and (setq references (mail-header-references header))
7705 (not (string= references "")))
7707 (setq child (downcase (mail-header-id header))
7708 subject (mail-header-subject header))
7710 (while (search-backward ">" nil t)
7711 (setq end (1+ (point)))
7712 (when (search-backward "<" nil t)
7713 (push (list (incf generation)
7714 child (setq child (downcase
7715 (buffer-substring (point) end)))
7718 (push (list (1+ generation) child nil subject) relations)
7720 (kill-buffer (current-buffer)))
7721 ;; Sort over trustworthiness.
7722 (setq relations (sort relations (lambda (r1 r2) (< (car r1) (car r2)))))
7723 (while (setq relation (pop relations))
7724 (when (if (boundp (setq cthread (intern (cadr relation) deps)))
7725 (unless (car (symbol-value cthread))
7726 ;; Make this article the parent of these threads.
7727 (setcar (symbol-value cthread)
7728 (vector gnus-reffed-article-number
7732 (or (caddr relation) "") 0 0 "")))
7733 (set cthread (list (vector gnus-reffed-article-number
7735 "" "" (cadr relation)
7736 (or (caddr relation) "") 0 0 ""))))
7737 (push gnus-reffed-article-number gnus-newsgroup-limit)
7738 (push gnus-reffed-article-number gnus-newsgroup-sparse)
7739 (push (cons gnus-reffed-article-number gnus-sparse-mark)
7740 gnus-newsgroup-reads)
7741 (decf gnus-reffed-article-number)
7742 ;; Make this new thread the child of its parent.
7743 (if (boundp (setq pthread (intern (or (caddr relation) "none") deps)))
7744 (setcdr (symbol-value pthread)
7745 (nconc (cdr (symbol-value pthread))
7746 (list (symbol-value cthread))))
7747 (set pthread (list nil (symbol-value cthread))))))
7748 (gnus-message 7 "Making sparse threads...done")))
7750 (defun gnus-build-old-threads ()
7751 ;; Look at all the articles that refer back to old articles, and
7752 ;; fetch the headers for the articles that aren't there. This will
7753 ;; build complete threads - if the roots haven't been expired by the
7758 (when (not (car (symbol-value refs)))
7759 (setq heads (cdr (symbol-value refs)))
7761 (if (memq (mail-header-number (caar heads))
7762 gnus-newsgroup-dormant)
7763 (setq heads (cdr heads))
7764 (setq id (symbol-name refs))
7765 (while (and (setq id (gnus-build-get-header id))
7766 (not (car (gnus-gethash
7767 id gnus-newsgroup-dependencies)))))
7768 (setq heads nil)))))
7769 gnus-newsgroup-dependencies)))
7771 (defun gnus-build-get-header (id)
7772 ;; Look through the buffer of NOV lines and find the header to
7773 ;; ID. Enter this line into the dependencies hash table, and return
7774 ;; the id of the parent article (if any).
7775 (let ((deps gnus-newsgroup-dependencies)
7779 (set-buffer nntp-server-buffer)
7780 (goto-char (point-min))
7781 (while (and (not found) (search-forward id nil t))
7783 (setq found (looking-at
7784 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
7785 (regexp-quote id))))
7786 (or found (beginning-of-line 2)))
7791 (setq header (gnus-nov-parse-line
7792 (read (current-buffer)) deps))
7793 (gnus-parent-id (mail-header-references header))))))
7795 (let ((number (mail-header-number header)))
7796 (push number gnus-newsgroup-limit)
7797 (push header gnus-newsgroup-headers)
7798 (if (memq number gnus-newsgroup-unselected)
7800 (push number gnus-newsgroup-unreads)
7801 (setq gnus-newsgroup-unselected
7802 (delq number gnus-newsgroup-unselected)))
7803 (push number gnus-newsgroup-ancient)))))))
7805 (defun gnus-summary-update-article (article &optional header)
7806 "Update ARTICLE in the summary buffer."
7807 (let ((id (mail-header-id (gnus-summary-article-header article)))
7808 (data (gnus-data-find article)))
7809 (setcar (gnus-id-to-thread id) nil)
7810 (gnus-summary-insert-subject id)
7811 ;; Set the (possibly) new article number in the data structure.
7812 (gnus-data-set-number data (gnus-id-to-article id))))
7814 (defun gnus-rebuild-thread (id)
7815 "Rebuild the thread containing ID."
7816 (let ((dep gnus-newsgroup-dependencies)
7817 (buffer-read-only nil)
7818 current headers refs thread art data)
7819 (if (not gnus-show-threads)
7820 (setq thread (list (car (gnus-id-to-thread id))))
7821 ;; Get the thread this article is part of.
7822 (setq thread (gnus-remove-thread id)))
7823 (setq current (save-excursion
7824 (and (zerop (forward-line -1))
7825 (gnus-summary-article-number))))
7826 ;; If this is a gathered thread, we have to go some re-gathering.
7827 (when (stringp (car thread))
7828 (let ((subject (car thread))
7830 (setq thread (cdr thread))
7832 (unless (memq (setq thr (gnus-id-to-thread
7834 (mail-header-id (caar thread)))))
7837 (setq thread (cdr thread)))
7838 ;; We now have all (unique) roots.
7839 (if (= (length roots) 1)
7840 ;; All the loose roots are now one solid root.
7841 (setq thread (car roots))
7842 (setq thread (cons subject (gnus-sort-threads roots))))))
7845 ;; We then insert this thread into the summary buffer.
7846 (let (gnus-newsgroup-data gnus-newsgroup-threads)
7847 (gnus-summary-prepare-threads (list thread))
7848 (setq data (nreverse gnus-newsgroup-data))
7849 (setq threads gnus-newsgroup-threads))
7850 ;; We splice the new data into the data structure.
7851 (gnus-data-enter-list current data)
7852 (gnus-data-compute-positions)
7853 (setq gnus-newsgroup-threads (nconc threads gnus-newsgroup-threads)))))
7855 (defun gnus-id-to-thread (id)
7856 "Return the (sub-)thread where ID appears."
7857 (gnus-gethash (downcase id) gnus-newsgroup-dependencies))
7859 (defun gnus-id-to-article (id)
7860 "Return the article number of ID."
7861 (let ((thread (gnus-id-to-thread id)))
7863 (mail-header-number (car thread)))))
7865 (defun gnus-id-to-header (id)
7866 "Return the article headers of ID."
7867 (car (gnus-id-to-thread id)))
7869 (defun gnus-article-displayed-root-p (article)
7870 "Say whether ARTICLE is a root(ish) article."
7871 (let ((level (gnus-summary-thread-level article))
7877 (null (setq particle (gnus-id-to-article
7879 (mail-header-references
7880 (gnus-summary-article-header article))))))
7881 (null (gnus-summary-thread-level particle)))))))
7883 (defun gnus-root-id (id)
7884 "Return the id of the root of the thread where ID appears."
7886 (while (and id (setq prev (car (gnus-gethash
7888 gnus-newsgroup-dependencies))))
7890 id (gnus-parent-id (mail-header-references prev))))
7893 (defun gnus-remove-thread (id &optional dont-remove)
7894 "Remove the thread that has ID in it."
7895 (let ((dep gnus-newsgroup-dependencies)
7896 headers thread prev last-id)
7897 ;; First go up in this thread until we find the root.
7898 (setq last-id (gnus-root-id id))
7899 (setq headers (list (car (gnus-id-to-thread last-id))
7900 (caadr (gnus-id-to-thread last-id))))
7901 ;; We have now found the real root of this thread. It might have
7902 ;; been gathered into some loose thread, so we have to search
7903 ;; through the threads to find the thread we wanted.
7904 (let ((threads gnus-newsgroup-threads)
7907 (setq sub (car threads))
7908 (if (stringp (car sub))
7909 ;; This is a gathered threads, so we look at the roots
7910 ;; below it to find whether this article in in this
7913 (setq sub (cdr sub))
7915 (when (member (caar sub) headers)
7916 (setq thread (car threads)
7919 (setq sub (cdr sub))))
7920 ;; It's an ordinary thread, so we check it.
7921 (when (eq (car sub) (car headers))
7924 (setq threads (cdr threads)))
7925 ;; If this article is in no thread, then it's a root.
7928 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
7929 (setq thread (gnus-gethash (downcase last-id) dep)))
7932 thread ; We return this thread.
7934 (if (stringp (car thread))
7936 ;; If we use dummy roots, then we have to remove the
7937 ;; dummy root as well.
7938 (when (eq gnus-summary-make-false-root 'dummy)
7941 (setq thread (cdr thread))
7943 (gnus-remove-thread-1 (car thread))
7944 (setq thread (cdr thread))))
7945 (gnus-remove-thread-1 thread))))))))
7947 (defun gnus-remove-thread-1 (thread)
7948 "Remove the thread THREAD recursively."
7949 (let ((number (mail-header-number (car thread)))
7951 (when (setq pos (text-property-any
7952 (point-min) (point-max) 'gnus-number number))
7955 (gnus-data-remove number))
7956 (setq thread (cdr thread))
7958 (gnus-remove-thread-1 (car thread))
7959 (setq thread (cdr thread)))))
7961 (defun gnus-sort-threads (threads)
7963 (if (not gnus-thread-sort-functions)
7965 (let ((func (if (= 1 (length gnus-thread-sort-functions))
7966 (car gnus-thread-sort-functions)
7968 ,(gnus-make-sort-function
7969 (reverse gnus-thread-sort-functions))))))
7970 (gnus-message 7 "Sorting threads...")
7973 (gnus-message 7 "Sorting threads...done")))))
7975 (defun gnus-sort-articles (articles)
7977 (when gnus-article-sort-functions
7978 (let ((func (if (= 1 (length gnus-article-sort-functions))
7979 (car gnus-article-sort-functions)
7981 ,(gnus-make-sort-function
7982 (reverse gnus-article-sort-functions))))))
7983 (gnus-message 7 "Sorting articles...")
7985 (setq gnus-newsgroup-headers (sort articles func))
7986 (gnus-message 7 "Sorting articles...done")))))
7988 (defun gnus-make-sort-function (funs)
7989 "Return a composite sort condition based on the functions in FUNC."
7991 `(or (,(car funs) t1 t2)
7992 (and (not (,(car funs) t2 t1))
7993 ,(gnus-make-sort-function (cdr funs))))
7994 `(,(car funs) t1 t2)))
7996 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
7997 (defmacro gnus-thread-header (thread)
7998 ;; Return header of first article in THREAD.
7999 ;; Note that THREAD must never, ever be anything else than a variable -
8000 ;; using some other form will lead to serious barfage.
8001 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
8002 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
8003 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207" ;
8006 (defsubst gnus-article-sort-by-number (h1 h2)
8007 "Sort articles by article number."
8008 (< (mail-header-number h1)
8009 (mail-header-number h2)))
8011 (defun gnus-thread-sort-by-number (h1 h2)
8012 "Sort threads by root article number."
8013 (gnus-article-sort-by-number
8014 (gnus-thread-header h1) (gnus-thread-header h2)))
8016 (defsubst gnus-article-sort-by-author (h1 h2)
8017 "Sort articles by root author."
8019 (let ((extract (funcall
8020 gnus-extract-address-components
8021 (mail-header-from h1))))
8022 (or (car extract) (cdr extract)))
8023 (let ((extract (funcall
8024 gnus-extract-address-components
8025 (mail-header-from h2))))
8026 (or (car extract) (cdr extract)))))
8028 (defun gnus-thread-sort-by-author (h1 h2)
8029 "Sort threads by root author."
8030 (gnus-article-sort-by-author
8031 (gnus-thread-header h1) (gnus-thread-header h2)))
8033 (defsubst gnus-article-sort-by-subject (h1 h2)
8034 "Sort articles by root subject."
8036 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
8037 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
8039 (defun gnus-thread-sort-by-subject (h1 h2)
8040 "Sort threads by root subject."
8041 (gnus-article-sort-by-subject
8042 (gnus-thread-header h1) (gnus-thread-header h2)))
8044 (defsubst gnus-article-sort-by-date (h1 h2)
8045 "Sort articles by root article date."
8047 (gnus-sortable-date (mail-header-date h1))
8048 (gnus-sortable-date (mail-header-date h2))))
8050 (defun gnus-thread-sort-by-date (h1 h2)
8051 "Sort threads by root article date."
8052 (gnus-article-sort-by-date
8053 (gnus-thread-header h1) (gnus-thread-header h2)))
8055 (defsubst gnus-article-sort-by-score (h1 h2)
8056 "Sort articles by root article score.
8057 Unscored articles will be counted as having a score of zero."
8058 (> (or (cdr (assq (mail-header-number h1)
8059 gnus-newsgroup-scored))
8060 gnus-summary-default-score 0)
8061 (or (cdr (assq (mail-header-number h2)
8062 gnus-newsgroup-scored))
8063 gnus-summary-default-score 0)))
8065 (defun gnus-thread-sort-by-score (h1 h2)
8066 "Sort threads by root article score."
8067 (gnus-article-sort-by-score
8068 (gnus-thread-header h1) (gnus-thread-header h2)))
8070 (defun gnus-thread-sort-by-total-score (h1 h2)
8071 "Sort threads by the sum of all scores in the thread.
8072 Unscored articles will be counted as having a score of zero."
8073 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
8075 (defun gnus-thread-total-score (thread)
8076 ;; This function find the total score of THREAD.
8078 (if (stringp (car thread))
8079 (apply gnus-thread-score-function 0
8080 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
8081 (gnus-thread-total-score-1 thread))
8082 (gnus-thread-total-score-1 (list thread))))
8084 (defun gnus-thread-total-score-1 (root)
8085 ;; This function find the total score of the thread below ROOT.
8086 (setq root (car root))
8087 (apply gnus-thread-score-function
8088 (or (cdr (assq (mail-header-number root) gnus-newsgroup-scored))
8089 gnus-summary-default-score 0)
8090 (mapcar 'gnus-thread-total-score
8091 (cdr (gnus-gethash (downcase (mail-header-id root))
8092 gnus-newsgroup-dependencies)))))
8094 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
8095 (defvar gnus-tmp-prev-subject nil)
8096 (defvar gnus-tmp-false-parent nil)
8097 (defvar gnus-tmp-root-expunged nil)
8098 (defvar gnus-tmp-dummy-line nil)
8100 (defun gnus-summary-prepare-threads (threads)
8101 "Prepare summary buffer from THREADS and indentation LEVEL.
8102 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
8103 or a straight list of headers."
8104 (gnus-message 7 "Generating summary...")
8106 (setq gnus-newsgroup-threads threads)
8109 (let ((gnus-tmp-level 0)
8110 (default-score (or gnus-summary-default-score 0))
8111 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
8112 thread number subject stack state gnus-tmp-gathered beg-match
8113 new-roots gnus-tmp-new-adopts thread-end
8114 gnus-tmp-header gnus-tmp-unread
8115 gnus-tmp-replied gnus-tmp-subject-or-nil
8116 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
8117 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
8118 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket)
8120 (setq gnus-tmp-prev-subject nil)
8122 (if (vectorp (car threads))
8123 ;; If this is a straight (sic) list of headers, then a
8124 ;; threaded summary display isn't required, so we just create
8125 ;; an unthreaded one.
8126 (gnus-summary-prepare-unthreaded threads)
8128 ;; Do the threaded display.
8130 (while (or threads stack gnus-tmp-new-adopts new-roots)
8132 (if (and (= gnus-tmp-level 0)
8133 (not (setq gnus-tmp-dummy-line nil))
8136 (not gnus-tmp-false-parent)
8137 (or gnus-tmp-new-adopts new-roots))
8138 (if gnus-tmp-new-adopts
8139 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
8140 thread (list (car gnus-tmp-new-adopts))
8141 gnus-tmp-header (caar thread)
8142 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
8144 (setq thread (list (car new-roots))
8145 gnus-tmp-header (caar thread)
8146 new-roots (cdr new-roots))))
8149 ;; If there are some threads, we do them before the
8150 ;; threads on the stack.
8151 (setq thread threads
8152 gnus-tmp-header (caar thread))
8153 ;; There were no current threads, so we pop something off
8155 (setq state (car stack)
8156 gnus-tmp-level (car state)
8159 gnus-tmp-header (caar thread))))
8161 (setq gnus-tmp-false-parent nil)
8162 (setq gnus-tmp-root-expunged nil)
8163 (setq thread-end nil)
8165 (if (stringp gnus-tmp-header)
8166 ;; The header is a dummy root.
8168 ((eq gnus-summary-make-false-root 'adopt)
8169 ;; We let the first article adopt the rest.
8170 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
8172 (setq gnus-tmp-gathered
8174 (lambda (h) (mail-header-number (car h)))
8177 (setq thread (cons (list (caar thread)
8180 (setq gnus-tmp-level -1
8181 gnus-tmp-false-parent t))
8182 ((eq gnus-summary-make-false-root 'empty)
8183 ;; We print adopted articles with empty subject fields.
8184 (setq gnus-tmp-gathered
8186 (lambda (h) (mail-header-number (car h)))
8189 (setq gnus-tmp-level -1))
8190 ((eq gnus-summary-make-false-root 'dummy)
8191 ;; We remember that we probably want to output a dummy
8193 (setq gnus-tmp-dummy-line gnus-tmp-header)
8194 (setq gnus-tmp-prev-subject gnus-tmp-header))
8196 ;; We do not make a root for the gathered
8197 ;; sub-threads at all.
8198 (setq gnus-tmp-level -1)))
8200 (setq number (mail-header-number gnus-tmp-header)
8201 subject (mail-header-subject gnus-tmp-header))
8204 ;; If the thread has changed subject, we might want to make
8205 ;; this subthread into a root.
8206 ((and (null gnus-thread-ignore-subject)
8207 (not (zerop gnus-tmp-level))
8208 gnus-tmp-prev-subject
8210 (gnus-subject-equal gnus-tmp-prev-subject subject))))
8211 (setq new-roots (nconc new-roots (list (car thread)))
8213 gnus-tmp-header nil))
8214 ;; If the article lies outside the current limit,
8215 ;; then we do not display it.
8216 ((and (not (memq number gnus-newsgroup-limit))
8217 (not gnus-tmp-dummy-line))
8218 (setq gnus-tmp-gathered
8220 (lambda (h) (mail-header-number (car h)))
8223 (setq gnus-tmp-new-adopts (if (cdar thread)
8224 (append gnus-tmp-new-adopts
8226 gnus-tmp-new-adopts)
8228 gnus-tmp-header nil)
8229 (when (zerop gnus-tmp-level)
8230 (setq gnus-tmp-root-expunged t)))
8231 ;; Perhaps this article is to be marked as read?
8232 ((and gnus-summary-mark-below
8233 (< (or (cdr (assq number gnus-newsgroup-scored))
8235 gnus-summary-mark-below)
8236 ;; Don't touch sparse articles.
8237 (not (memq number gnus-newsgroup-sparse)))
8238 (setq gnus-newsgroup-unreads
8239 (delq number gnus-newsgroup-unreads))
8240 (if gnus-newsgroup-auto-expire
8241 (push number gnus-newsgroup-expirable)
8242 (push (cons number gnus-low-score-mark)
8243 gnus-newsgroup-reads))))
8245 (when gnus-tmp-header
8246 ;; We may have an old dummy line to output before this
8248 (when gnus-tmp-dummy-line
8249 (gnus-summary-insert-dummy-line
8250 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
8251 (setq gnus-tmp-dummy-line nil))
8253 ;; Compute the mark.
8257 ((memq number gnus-newsgroup-unreads) gnus-unread-mark)
8258 ((memq number gnus-newsgroup-marked) gnus-ticked-mark)
8259 ((memq number gnus-newsgroup-dormant) gnus-dormant-mark)
8260 ((memq number gnus-newsgroup-expirable) gnus-expirable-mark)
8261 (t (or (cdr (assq number gnus-newsgroup-reads))
8262 gnus-ancient-mark))))
8264 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
8265 gnus-tmp-header gnus-tmp-level)
8266 gnus-newsgroup-data)
8268 ;; Actually insert the line.
8270 gnus-tmp-subject-or-nil
8272 ((and gnus-thread-ignore-subject
8273 gnus-tmp-prev-subject
8274 (not (inline (gnus-subject-equal
8275 gnus-tmp-prev-subject subject))))
8277 ((zerop gnus-tmp-level)
8278 (if (and (eq gnus-summary-make-false-root 'empty)
8279 (memq number gnus-tmp-gathered)
8280 gnus-tmp-prev-subject
8281 (inline (gnus-subject-equal
8282 gnus-tmp-prev-subject subject)))
8283 gnus-summary-same-subject
8285 (t gnus-summary-same-subject)))
8286 (if (and (eq gnus-summary-make-false-root 'adopt)
8287 (= gnus-tmp-level 1)
8288 (memq number gnus-tmp-gathered))
8289 (setq gnus-tmp-opening-bracket ?\<
8290 gnus-tmp-closing-bracket ?\>)
8291 (setq gnus-tmp-opening-bracket ?\[
8292 gnus-tmp-closing-bracket ?\]))
8294 gnus-tmp-indentation
8295 (aref gnus-thread-indent-array gnus-tmp-level)
8296 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
8297 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
8298 gnus-summary-default-score 0)
8300 (if (or (null gnus-summary-default-score)
8301 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
8302 gnus-summary-zcore-fuzz)) ?
8303 (if (< gnus-tmp-score gnus-summary-default-score)
8304 gnus-score-below-mark gnus-score-over-mark))
8306 (cond ((memq number gnus-newsgroup-processable)
8308 ((memq number gnus-newsgroup-cached)
8310 ((memq number gnus-newsgroup-replied)
8312 (t gnus-unread-mark))
8313 gnus-tmp-from (mail-header-from gnus-tmp-header)
8316 ((string-match "(.+)" gnus-tmp-from)
8317 (substring gnus-tmp-from
8318 (1+ (match-beginning 0)) (1- (match-end 0))))
8319 ((string-match "<[^>]+> *$" gnus-tmp-from)
8320 (setq beg-match (match-beginning 0))
8321 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
8322 (substring gnus-tmp-from (1+ (match-beginning 0))
8323 (1- (match-end 0))))
8324 (substring gnus-tmp-from 0 beg-match)))
8326 (when (string= gnus-tmp-name "")
8327 (setq gnus-tmp-name gnus-tmp-from))
8328 (or (numberp gnus-tmp-lines) (setq gnus-tmp-lines 0))
8331 (progn (eval gnus-summary-line-format-spec) (point))
8332 'gnus-number number)
8335 (run-hooks 'gnus-summary-update-hook)
8338 (setq gnus-tmp-prev-subject subject)))
8340 (when (nth 1 thread)
8341 (push (cons (max 0 gnus-tmp-level) (nthcdr 1 thread)) stack))
8342 (incf gnus-tmp-level)
8343 (setq threads (if thread-end nil (cdar thread)))
8345 (setq gnus-tmp-level 0)))))
8346 (gnus-message 7 "Generating summary...done"))
8348 (defun gnus-summary-prepare-unthreaded (headers)
8349 "Generate an unthreaded summary buffer based on HEADERS."
8350 (let (header number mark)
8353 (setq header (car headers)
8354 headers (cdr headers)
8355 number (mail-header-number header))
8357 ;; We may have to root out some bad articles...
8358 (when (memq number gnus-newsgroup-limit)
8359 (when (and gnus-summary-mark-below
8360 (< (or (cdr (assq number gnus-newsgroup-scored))
8361 gnus-summary-default-score 0)
8362 gnus-summary-mark-below))
8363 (setq gnus-newsgroup-unreads
8364 (delq number gnus-newsgroup-unreads))
8365 (if gnus-newsgroup-auto-expire
8366 (push number gnus-newsgroup-expirable)
8367 (push (cons number gnus-low-score-mark)
8368 gnus-newsgroup-reads)))
8372 ((memq number gnus-newsgroup-marked) gnus-ticked-mark)
8373 ((memq number gnus-newsgroup-dormant) gnus-dormant-mark)
8374 ((memq number gnus-newsgroup-unreads) gnus-unread-mark)
8375 ((memq number gnus-newsgroup-expirable) gnus-expirable-mark)
8376 (t (or (cdr (assq number gnus-newsgroup-reads))
8377 gnus-ancient-mark))))
8378 (setq gnus-newsgroup-data
8379 (cons (gnus-data-make number mark (1+ (point)) header 0)
8380 gnus-newsgroup-data))
8381 (gnus-summary-insert-line
8382 header 0 nil mark (memq number gnus-newsgroup-replied)
8383 (memq number gnus-newsgroup-expirable)
8384 (mail-header-subject header) nil
8385 (cdr (assq number gnus-newsgroup-scored))
8386 (memq number gnus-newsgroup-processable))))))
8388 (defun gnus-select-newsgroup (group &optional read-all)
8389 "Select newsgroup GROUP.
8390 If READ-ALL is non-nil, all articles in the group are selected."
8391 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
8392 (info (nth 2 entry))
8393 articles fetched-articles cached)
8395 (or (gnus-check-server
8396 (setq gnus-current-select-method (gnus-find-method-for-group group)))
8397 (error "Couldn't open server"))
8399 (or (and entry (not (eq (car entry) t))) ; Either it's active...
8400 (gnus-activate-group group) ; Or we can activate it...
8401 (progn ; Or we bug out.
8402 (kill-buffer (current-buffer))
8403 (error "Couldn't request group %s: %s"
8404 group (gnus-status-message group))))
8406 (setq gnus-newsgroup-name group)
8407 (setq gnus-newsgroup-unselected nil)
8408 (setq gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
8410 (and gnus-asynchronous
8411 (gnus-check-backend-function
8412 'request-asynchronous gnus-newsgroup-name)
8413 (setq gnus-newsgroup-async
8414 (gnus-request-asynchronous gnus-newsgroup-name)))
8416 ;; Adjust and set lists of article marks.
8418 (gnus-adjust-marked-articles info))
8420 ;; Kludge to avoid having cached articles nixed out in virtual groups.
8421 (when (gnus-virtual-group-p group)
8422 (setq cached gnus-newsgroup-cached))
8424 (setq gnus-newsgroup-unreads
8425 (gnus-set-difference
8426 (gnus-set-difference gnus-newsgroup-unreads gnus-newsgroup-marked)
8427 gnus-newsgroup-dormant))
8429 (setq gnus-newsgroup-processable nil)
8431 (setq articles (gnus-articles-to-read group read-all))
8435 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
8437 ((eq articles 0) nil)
8439 ;; Init the dependencies hash table.
8440 (setq gnus-newsgroup-dependencies
8441 (gnus-make-hashtable (length articles)))
8442 ;; Retrieve the headers and read them in.
8443 (gnus-message 5 "Fetching headers...")
8444 (setq gnus-newsgroup-headers
8446 (setq gnus-headers-retrieved-by
8447 (gnus-retrieve-headers
8448 articles gnus-newsgroup-name
8449 ;; We might want to fetch old headers, but
8450 ;; not if there is only 1 article.
8451 (and gnus-fetch-old-headers
8453 (not (eq gnus-fetch-old-headers 'some))
8454 (not (numberp gnus-fetch-old-headers)))
8455 (> (length articles) 1))))))
8456 (gnus-get-newsgroup-headers-xover articles)
8457 (gnus-get-newsgroup-headers)))
8458 (gnus-message 5 "Fetching headers...done")
8460 ;; Kludge to avoid having cached articles nixed out in virtual groups.
8462 (setq gnus-newsgroup-cached cached))
8464 ;; Set the initial limit.
8465 (setq gnus-newsgroup-limit (copy-sequence articles))
8466 ;; Remove canceled articles from the list of unread articles.
8467 (setq gnus-newsgroup-unreads
8468 (gnus-set-sorted-intersection
8469 gnus-newsgroup-unreads
8470 (setq fetched-articles
8471 (mapcar (lambda (headers) (mail-header-number headers))
8472 gnus-newsgroup-headers))))
8473 ;; Removed marked articles that do not exist.
8474 (gnus-update-missing-marks
8475 (gnus-sorted-complement fetched-articles articles))
8476 ;; We might want to build some more threads first.
8477 (and gnus-fetch-old-headers
8478 (eq gnus-headers-retrieved-by 'nov)
8479 (gnus-build-old-threads))
8480 ;; Check whether auto-expire is to be done in this group.
8481 (setq gnus-newsgroup-auto-expire
8482 (gnus-group-auto-expirable-p group))
8483 ;; First and last article in this newsgroup.
8484 (and gnus-newsgroup-headers
8485 (setq gnus-newsgroup-begin
8486 (mail-header-number (car gnus-newsgroup-headers)))
8487 (setq gnus-newsgroup-end
8489 (gnus-last-element gnus-newsgroup-headers))))
8490 (setq gnus-reffed-article-number -1)
8491 ;; GROUP is successfully selected.
8492 (or gnus-newsgroup-headers t)))))
8494 (defun gnus-articles-to-read (group read-all)
8495 ;; Find out what articles the user wants to read.
8497 ;; Select all articles if `read-all' is non-nil, or if there
8498 ;; are no unread articles.
8500 (and (zerop (length gnus-newsgroup-marked))
8501 (zerop (length gnus-newsgroup-unreads))))
8502 (gnus-uncompress-range (gnus-active group))
8503 (sort (append gnus-newsgroup-dormant gnus-newsgroup-marked
8504 (copy-sequence gnus-newsgroup-unreads))
8506 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
8507 (scored (length scored-list))
8508 (number (length articles))
8509 (marked (+ (length gnus-newsgroup-marked)
8510 (length gnus-newsgroup-dormant)))
8518 ((and (or (<= scored marked) (= scored number))
8519 (numberp gnus-large-newsgroup)
8520 (> number gnus-large-newsgroup))
8524 "How many articles from %s (default %d): "
8525 gnus-newsgroup-name number))))
8526 (if (string-match "^[ \t]*$" input) number input)))
8527 ((and (> scored marked) (< scored number))
8530 (format "%s %s (%d scored, %d total): "
8531 "How many articles from"
8532 group scored number))))
8533 (if (string-match "^[ \t]*$" input)
8537 (setq select (if (stringp select) (string-to-number select) select))
8538 (if (or (null select) (zerop select))
8540 (if (and (not (zerop scored)) (<= (abs select) scored))
8542 (setq articles (sort scored-list '<))
8543 (setq number (length articles)))
8544 (setq articles (copy-sequence articles)))
8546 (if (< (abs select) number)
8548 ;; Select the N oldest articles.
8549 (setcdr (nthcdr (1- (abs select)) articles) nil)
8550 ;; Select the N most recent articles.
8551 (setq articles (nthcdr (- number select) articles))))
8552 (setq gnus-newsgroup-unselected
8553 (gnus-sorted-intersection
8554 gnus-newsgroup-unreads
8555 (gnus-sorted-complement gnus-newsgroup-unreads articles)))
8558 (defun gnus-killed-articles (killed articles)
8561 (if (inline (gnus-member-of-range (car articles) killed))
8562 (setq out (cons (car articles) out)))
8563 (setq articles (cdr articles)))
8566 (defun gnus-uncompress-marks (marks)
8567 "Uncompress the mark ranges in MARKS."
8568 (let ((uncompressed '(score bookmark))
8571 (if (memq (caar marks) uncompressed)
8572 (push (car marks) out)
8573 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
8574 (setq marks (cdr marks)))
8577 (defun gnus-adjust-marked-articles (info)
8578 "Set all article lists and remove all marks that are no longer legal."
8579 (let* ((marked-lists (gnus-info-marks info))
8580 (active (gnus-active (gnus-info-group info)))
8583 (types gnus-article-mark-lists)
8584 (uncompressed '(score bookmark))
8585 marks var articles article mark)
8588 (setq marks (pop marked-lists))
8589 (set (setq var (intern (format "gnus-newsgroup-%s"
8590 (car (rassq (setq mark (car marks))
8592 (if (memq (car marks) uncompressed) (cdr marks)
8593 (gnus-uncompress-range (cdr marks))))
8595 (setq articles (symbol-value var))
8597 ;; All articles have to be subsets of the active articles.
8599 ;; Adjust "simple" lists.
8600 ((memq mark '(tick dormant expirable reply killed save))
8602 (when (or (< (setq article (pop articles)) min) (> article max))
8603 (set var (delq article (symbol-value var))))))
8605 ((memq mark '(score bookmark))
8607 (when (or (< (car (setq article (pop articles))) min)
8608 (> (car article) max))
8609 (set var (delq article (symbol-value var))))))))))
8611 (defun gnus-update-missing-marks (missing)
8612 "Go through the list of MISSING articles and remove them mark lists."
8614 (let ((types gnus-article-mark-lists)
8616 ;; Go through all types.
8618 (setq var (intern (format "gnus-newsgroup-%s" (car (pop types)))))
8619 (when (symbol-value var)
8620 ;; This list has articles. So we delete all missing articles
8624 (set var (delq (pop m) (symbol-value var)))))))))
8626 (defun gnus-update-marks ()
8627 "Enter the various lists of marked articles into the newsgroup info list."
8628 (let ((types gnus-article-mark-lists)
8629 (info (gnus-get-info gnus-newsgroup-name))
8630 (uncompressed '(score bookmark killed))
8631 var type list newmarked symbol)
8633 ;; Add all marks lists that are non-nil to the list of marks lists.
8635 (setq type (pop types))
8636 (when (setq list (symbol-value
8638 (intern (format "gnus-newsgroup-%s"
8640 (push (cons (cdr type)
8641 (if (memq (cdr type) uncompressed) list
8642 (gnus-compress-sequence (set symbol (sort list '<)) t)))
8645 ;; Enter these new marks into the info of the group.
8647 (setcar (nthcdr 3 info) newmarked)
8648 ;; Add the marks lists to the end of the info.
8650 (setcdr (nthcdr 2 info) (list newmarked))))
8652 ;; Cut off the end of the info if there's nothing else there.
8656 (when (nthcdr (decf i) info)
8657 (setcdr (nthcdr i info) nil)))))))
8659 (defun gnus-add-marked-articles (group type articles &optional info force)
8660 ;; Add ARTICLES of TYPE to the info of GROUP.
8661 ;; If INFO is non-nil, use that info. If FORCE is non-nil, don't
8662 ;; add, but replace marked articles of TYPE with ARTICLES.
8663 (let ((info (or info (gnus-get-info group)))
8664 (uncompressed '(score bookmark killed))
8667 (and (not (setq marked (nthcdr 3 info)))
8669 (setcdr (nthcdr 2 info)
8670 (list (list (cons type (gnus-compress-sequence
8672 (and (not (setq m (assq type (car marked))))
8675 (cons (cons type (gnus-compress-sequence articles t) )
8679 (setcar (nthcdr 3 info)
8680 (delq (assq type (car marked)) (car marked)))
8681 (setcdr m (gnus-compress-sequence articles t)))
8682 (setcdr m (gnus-compress-sequence
8683 (sort (nconc (gnus-uncompress-range m)
8684 (copy-sequence articles)) '<) t))))))
8686 (defun gnus-set-mode-line (where)
8687 "This function sets the mode line of the article or summary buffers.
8688 If WHERE is `summary', the summary mode line format will be used."
8689 ;; Is this mode line one we keep updated?
8690 (when (memq where gnus-updated-mode-lines)
8693 ;; We evaluate this in the summary buffer since these
8694 ;; variables are buffer-local to that buffer.
8695 (set-buffer gnus-summary-buffer)
8696 ;; We bind all these variables that are used in the `eval' form
8698 (let* ((mformat (symbol-value
8700 (format "gnus-%s-mode-line-format-spec" where))))
8701 (gnus-tmp-group-name gnus-newsgroup-name)
8702 (gnus-tmp-article-number (or gnus-current-article 0))
8703 (gnus-tmp-unread gnus-newsgroup-unreads)
8704 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
8705 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
8706 (gnus-tmp-unread-and-unselected
8707 (cond ((and (zerop gnus-tmp-unread-and-unticked)
8708 (zerop gnus-tmp-unselected)) "")
8709 ((zerop gnus-tmp-unselected)
8710 (format "{%d more}" gnus-tmp-unread-and-unticked))
8711 (t (format "{%d(+%d) more}"
8712 gnus-tmp-unread-and-unticked
8713 gnus-tmp-unselected))))
8715 (if (and gnus-current-headers
8716 (vectorp gnus-current-headers))
8717 (mail-header-subject gnus-current-headers) ""))
8719 gnus-tmp-header);; passed as argument to any user-format-funcs
8720 (setq mode-string (eval mformat))
8721 (setq max-len (max 4 (if gnus-mode-non-string-length
8723 gnus-mode-non-string-length)
8724 (length mode-string))))
8725 ;; We might have to chop a bit of the string off...
8726 (when (> (length mode-string) max-len)
8728 (concat (gnus-truncate-string mode-string (- max-len 3))
8730 ;; Pad the mode string a bit.
8731 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
8732 ;; Update the mode line.
8733 (setq mode-line-buffer-identification (list mode-string))
8734 (set-buffer-modified-p t))))
8736 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
8737 "Go through the HEADERS list and add all Xrefs to a hash table.
8738 The resulting hash table is returned, or nil if no Xrefs were found."
8739 (let* ((from-method (gnus-find-method-for-group from-newsgroup))
8740 (virtual (gnus-virtual-group-p from-newsgroup))
8741 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
8742 (xref-hashtb (make-vector 63 0))
8743 start group entry number xrefs header)
8745 (setq header (pop headers))
8746 (when (and (setq xrefs (mail-header-xref header))
8747 (not (memq (setq number (mail-header-number header))
8750 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
8751 (setq start (match-end 0))
8752 (setq group (concat prefix (substring xrefs (match-beginning 1)
8755 (string-to-int (substring xrefs (match-beginning 2)
8757 (if (setq entry (gnus-gethash group xref-hashtb))
8758 (setcdr entry (cons number (cdr entry)))
8759 (gnus-sethash group (cons number nil) xref-hashtb)))))
8760 (and start xref-hashtb)))
8762 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
8763 "Look through all the headers and mark the Xrefs as read."
8764 (let ((virtual (gnus-virtual-group-p from-newsgroup))
8765 name entry info xref-hashtb idlist method nth4)
8767 (set-buffer gnus-group-buffer)
8768 (when (setq xref-hashtb
8769 (gnus-create-xref-hashtb from-newsgroup headers unreads))
8772 (unless (string= from-newsgroup (setq name (symbol-name group)))
8773 (setq idlist (symbol-value group))
8774 ;; Dead groups are not updated.
8776 (setq entry (gnus-gethash name gnus-newsrc-hashtb)
8778 (if (stringp (setq nth4 (gnus-info-method info)))
8779 (setq nth4 (gnus-server-to-method nth4))))
8780 ;; Only do the xrefs if the group has the same
8781 ;; select method as the group we have just read.
8782 (or (gnus-methods-equal-p
8783 nth4 (gnus-find-method-for-group from-newsgroup))
8785 (equal nth4 (setq method (gnus-find-method-for-group
8787 (and (equal (car nth4) (car method))
8788 (equal (nth 1 nth4) (nth 1 method))))
8789 gnus-use-cross-reference
8790 (or (not (eq gnus-use-cross-reference t))
8792 ;; Only do cross-references on subscribed
8793 ;; groups, if that is what is wanted.
8794 (<= (gnus-info-level info) gnus-level-subscribed))
8795 (gnus-group-make-articles-read name idlist))))
8798 (defun gnus-group-make-articles-read (group articles)
8800 (entry (gnus-gethash group gnus-newsrc-hashtb))
8801 (info (nth 2 entry))
8802 (active (gnus-active group))
8804 ;; First peel off all illegal article numbers.
8806 (let ((ids articles)
8810 (if (and first (> id (cdr active)))
8812 ;; We'll end up in this situation in one particular
8813 ;; obscure situation. If you re-scan a group and get
8814 ;; a new article that is cross-posted to a different
8815 ;; group that has not been re-scanned, you might get
8816 ;; crossposted article that has a higher number than
8817 ;; Gnus believes possible. So we re-activate this
8818 ;; group as well. This might mean doing the
8819 ;; crossposting thingy will *increase* the number
8820 ;; of articles in some groups. Tsk, tsk.
8821 (setq active (or (gnus-activate-group group) active))))
8822 (if (or (> id (cdr active))
8823 (< id (car active)))
8824 (setq articles (delq id articles)))
8825 (setq ids (cdr ids)))))
8826 ;; If the read list is nil, we init it.
8828 (null (gnus-info-read info))
8830 (gnus-info-set-read info (cons 1 (1- (car active)))))
8831 ;; Then we add the read articles to the range.
8836 (gnus-info-read info) (setq articles (sort articles '<)))))
8837 ;; Then we have to re-compute how many unread
8838 ;; articles there are in this group.
8843 (setq num (- (1+ (cdr active)) (car active))))
8844 ((not (listp (cdr range)))
8845 (setq num (- (cdr active) (- (1+ (cdr range))
8849 (if (numberp (car range))
8851 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
8852 (setq range (cdr range)))
8853 (setq num (- (cdr active) num))))
8854 ;; Update the number of unread articles.
8856 ;; Update the group buffer.
8857 (gnus-group-update-group group t)))))
8859 (defun gnus-methods-equal-p (m1 m2)
8860 (let ((m1 (or m1 gnus-select-method))
8861 (m2 (or m2 gnus-select-method)))
8863 (and (eq (car m1) (car m2))
8864 (or (not (memq 'address (assoc (symbol-name (car m1))
8865 gnus-valid-select-methods)))
8866 (equal (nth 1 m1) (nth 1 m2)))))))
8868 (defsubst gnus-header-value ()
8869 (buffer-substring (match-end 0) (gnus-point-at-eol)))
8871 (defvar gnus-newsgroup-none-id 0)
8873 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
8874 (let ((cur nntp-server-buffer)
8877 (save-excursion (set-buffer gnus-summary-buffer)
8878 gnus-newsgroup-dependencies)))
8879 headers id id-dep ref-dep end ref)
8881 (set-buffer nntp-server-buffer)
8882 (let ((case-fold-search t)
8883 in-reply-to header number p lines)
8884 (goto-char (point-min))
8885 ;; Search to the beginning of the next header. Error messages
8886 ;; do not begin with 2 or 3.
8887 (while (re-search-forward "^[23][0-9]+ " nil t)
8890 ;; This implementation of this function, with nine
8891 ;; search-forwards instead of the one re-search-forward and
8892 ;; a case (which basically was the old function) is actually
8893 ;; about twice as fast, even though it looks messier. You
8894 ;; can't have everything, I guess. Speed and elegance
8895 ;; doesn't always go hand in hand.
8904 (narrow-to-region (point)
8905 (or (and (search-forward "\n.\n" nil t)
8911 (if (search-forward "\nsubject: " nil t)
8912 (gnus-header-value) "(none)"))
8916 (if (search-forward "\nfrom: " nil t)
8917 (gnus-header-value) "(nobody)"))
8921 (if (search-forward "\ndate: " nil t)
8922 (gnus-header-value) ""))
8926 (if (search-forward "\nmessage-id: " nil t)
8927 (setq id (gnus-header-value))
8928 ;; If there was no message-id, we just fake one to make
8929 ;; subsequent routines simpler.
8930 (setq id (concat "none+"
8932 (setq gnus-newsgroup-none-id
8933 (1+ gnus-newsgroup-none-id)))))))
8937 (if (search-forward "\nreferences: " nil t)
8940 (setq end (match-end 0))
8947 (search-backward ">" end t)
8950 (search-backward "<" end t)
8952 ;; Get the references from the in-reply-to header if there
8953 ;; were no references and the in-reply-to header looks
8955 (if (and (search-forward "\nin-reply-to: " nil t)
8956 (setq in-reply-to (gnus-header-value))
8957 (string-match "<[^>]+>" in-reply-to))
8959 (setq ref (substring in-reply-to (match-beginning 0)
8961 (setq ref (downcase ref))))
8968 (if (search-forward "\nlines: " nil t)
8969 (if (numberp (setq lines (read cur)))
8975 (and (search-forward "\nxref: " nil t)
8976 (gnus-header-value)))))
8977 ;; We do the threading while we read the headers. The
8978 ;; message-id and the last reference are both entered into
8979 ;; the same hash table. Some tippy-toeing around has to be
8980 ;; done in case an article has arrived before the article
8981 ;; which it refers to.
8982 (if (boundp (setq id-dep (intern (downcase id) dependencies)))
8983 (if (and (car (symbol-value id-dep))
8985 ;; An article with this Message-ID has already
8986 ;; been seen, so we ignore this one, except we add
8987 ;; any additional Xrefs (in case the two articles
8988 ;; came from different servers).
8990 (mail-header-set-xref
8991 (car (symbol-value id-dep))
8992 (concat (or (mail-header-xref
8993 (car (symbol-value id-dep))) "")
8994 (or (mail-header-xref header) "")))
8996 (setcar (symbol-value id-dep) header))
8997 (set id-dep (list header)))
8999 (if (boundp (setq ref-dep (intern ref dependencies)))
9000 (setcdr (symbol-value ref-dep)
9001 (nconc (cdr (symbol-value ref-dep))
9002 (list (symbol-value id-dep))))
9003 (set ref-dep (list nil (symbol-value id-dep))))
9004 (setq headers (cons header headers)))
9005 (goto-char (point-max))
9007 (nreverse headers)))))
9009 ;; The following macros and functions were written by Felix Lee
9010 ;; <flee@cse.psu.edu>.
9012 (defmacro gnus-nov-read-integer ()
9014 (if (= (following-char) ?\t)
9016 (let ((num (condition-case nil (read buffer) (error nil))))
9017 (if (numberp num) num 0)))
9018 (or (eobp) (forward-char 1))))
9020 (defmacro gnus-nov-skip-field ()
9021 '(search-forward "\t" eol 'move))
9023 (defmacro gnus-nov-field ()
9024 '(buffer-substring (point) (if (gnus-nov-skip-field) (1- (point)) eol)))
9026 ;; Goes through the xover lines and returns a list of vectors
9027 (defun gnus-get-newsgroup-headers-xover (sequence &optional force-new)
9028 "Parse the news overview data in the server buffer, and return a
9029 list of headers that match SEQUENCE (see `nntp-retrieve-headers')."
9030 ;; Get the Xref when the users reads the articles since most/some
9031 ;; NNTP servers do not include Xrefs when using XOVER.
9032 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
9033 (let ((cur nntp-server-buffer)
9034 (dependencies gnus-newsgroup-dependencies)
9035 number headers header)
9037 (set-buffer nntp-server-buffer)
9038 ;; Allow the user to mangle the headers before parsing them.
9039 (run-hooks 'gnus-parse-headers-hook)
9040 ;; Allow the user to mangle the headers before parsing them.
9041 (run-hooks 'gnus-parse-headers-hook)
9042 (goto-char (point-min))
9043 (while (and sequence (not (eobp)))
9044 (setq number (read cur))
9045 (while (and sequence (< (car sequence) number))
9046 (setq sequence (cdr sequence)))
9048 (eq number (car sequence))
9050 (setq sequence (cdr sequence))
9052 (inline (gnus-nov-parse-line
9053 number dependencies force-new)))
9054 (setq headers (cons header headers)))))
9056 (setq headers (nreverse headers)))
9059 ;; This function has to be called with point after the article number
9060 ;; on the beginning of the line.
9061 (defun gnus-nov-parse-line (number dependencies &optional force-new)
9063 (eol (gnus-point-at-eol))
9064 (buffer (current-buffer))
9065 header ref id id-dep ref-dep)
9067 ;; overview: [num subject from date id refs chars lines misc]
9068 (narrow-to-region (point) eol)
9069 (or (eobp) (forward-char))
9075 (gnus-nov-field) ; subject
9076 (gnus-nov-field) ; from
9077 (gnus-nov-field) ; date
9078 (setq id (or (gnus-nov-field)
9081 (setq none (1+ none)))))) ; id
9084 (let ((beg (point)))
9085 (search-forward "\t" eol)
9086 (if (search-backward ">" beg t)
9092 (search-backward "<" beg t)
9095 (gnus-nov-field)) ; refs
9096 (gnus-nov-read-integer) ; chars
9097 (gnus-nov-read-integer) ; lines
9098 (if (= (following-char) ?\n)
9100 (gnus-nov-field)) ; misc
9104 (gnus-message 4 "Strange nov line")
9110 ;; We build the thread tree.
9112 (if (boundp (setq id-dep (intern (downcase id) dependencies)))
9113 (if (and (car (symbol-value id-dep))
9115 ;; An article with this Message-ID has already been seen,
9116 ;; so we ignore this one, except we add any additional
9117 ;; Xrefs (in case the two articles came from different
9120 (mail-header-set-xref
9121 (car (symbol-value id-dep))
9122 (concat (or (mail-header-xref
9123 (car (symbol-value id-dep))) "")
9124 (or (mail-header-xref header) "")))
9126 (setcar (symbol-value id-dep) header))
9127 (set id-dep (list header))))
9130 (if (boundp (setq ref-dep (intern (or ref "none") dependencies)))
9131 (setcdr (symbol-value ref-dep)
9132 (nconc (cdr (symbol-value ref-dep))
9133 (list (symbol-value id-dep))))
9134 (set ref-dep (list nil (symbol-value id-dep))))))
9137 (defun gnus-article-get-xrefs ()
9138 "Fill in the Xref value in `gnus-current-headers', if necessary.
9139 This is meant to be called in `gnus-article-internal-prepare-hook'."
9140 (let ((headers (save-excursion (set-buffer gnus-summary-buffer)
9141 gnus-current-headers)))
9142 (or (not gnus-use-cross-reference)
9144 (and (mail-header-xref headers)
9145 (not (string= (mail-header-xref headers) "")))
9146 (let ((case-fold-search t)
9149 (nnheader-narrow-to-headers)
9150 (goto-char (point-min))
9151 (if (or (and (eq (downcase (following-char)) ?x)
9152 (looking-at "Xref:"))
9153 (search-forward "\nXref:" nil t))
9155 (goto-char (1+ (match-end 0)))
9156 (setq xref (buffer-substring (point)
9157 (progn (end-of-line) (point))))
9158 (mail-header-set-xref headers xref))))))))
9160 (defun gnus-summary-insert-subject (id)
9161 "Find article ID and insert the summary line for that article."
9162 (let ((header (gnus-read-header id))
9163 (number (and (numberp id) id)))
9165 ;; Rebuild the thread that this article is part of and go to the
9166 ;; article we have fetched.
9167 (gnus-rebuild-thread (mail-header-id header))
9168 (gnus-summary-goto-subject (setq number (mail-header-number header))))
9169 (when (and (numberp number)
9171 ;; We have to update the boundaries even if we can't fetch the
9172 ;; article if ID is a number -- so that the next `P' or `N'
9173 ;; command will fetch the previous (or next) article even
9174 ;; if the one we tried to fetch this time has been canceled.
9175 (and (> number gnus-newsgroup-end)
9176 (setq gnus-newsgroup-end number))
9177 (and (< number gnus-newsgroup-begin)
9178 (setq gnus-newsgroup-begin number))
9179 (setq gnus-newsgroup-unselected
9180 (delq number gnus-newsgroup-unselected)))
9181 ;; Report back a success?
9182 (and header number)))
9184 (defun gnus-summary-work-articles (n)
9185 "Return a list of articles to be worked upon. The prefix argument,
9186 the list of process marked articles, and the current article will be
9187 taken into consideration."
9189 ((and n (numberp n))
9190 ;; A numerical prefix has been given.
9191 (let ((backward (< n 0))
9197 (push (setq article (gnus-summary-article-number))
9200 (gnus-summary-find-prev nil article)
9201 (gnus-summary-find-next nil article)))
9203 (nreverse articles)))
9204 ((and (boundp 'transient-mark-mode)
9207 ;; Work on the region between point and mark.
9208 (let ((max (max (point) (mark)))
9211 (goto-char (min (point) (mark)))
9214 (push (setq article (gnus-summary-article-number)) articles)
9215 (gnus-summary-find-next nil article)
9217 (nreverse articles))))
9218 (gnus-newsgroup-processable
9219 ;; There are process-marked articles present.
9220 (reverse gnus-newsgroup-processable))
9222 ;; Just return the current article.
9223 (list (gnus-summary-article-number)))))
9225 (defun gnus-summary-search-group (&optional backward use-level)
9226 "Search for next unread newsgroup.
9227 If optional argument BACKWARD is non-nil, search backward instead."
9229 (set-buffer gnus-group-buffer)
9230 (if (gnus-group-search-forward
9231 backward nil (if use-level (gnus-group-group-level) nil))
9232 (gnus-group-group-name))))
9234 (defun gnus-summary-best-group (&optional exclude-group)
9235 "Find the name of the best unread group.
9236 If EXCLUDE-GROUP, do not go to this group."
9238 (set-buffer gnus-group-buffer)
9240 (gnus-group-best-unread-group exclude-group))))
9242 (defun gnus-summary-find-next (&optional unread article backward)
9243 (if backward (gnus-summary-find-prev)
9244 (let* ((article (or article (gnus-summary-article-number)))
9245 (arts (gnus-data-find-list article))
9247 (when (or (not gnus-summary-check-current)
9249 (not (gnus-data-unread-p (car arts))))
9250 (setq arts (cdr arts)))
9255 (when (gnus-data-unread-p (car arts))
9256 (setq result (car arts)
9258 (setq arts (cdr arts)))
9261 (goto-char (gnus-data-pos result))
9262 (gnus-data-number result)))))
9264 (defun gnus-summary-find-prev (&optional unread article)
9265 (let* ((article (or article (gnus-summary-article-number)))
9266 (arts (gnus-data-find-list article (gnus-data-list 'rev)))
9268 (when (or (not gnus-summary-check-current)
9270 (not (gnus-data-unread-p (car arts))))
9271 (setq arts (cdr arts)))
9276 (and (gnus-data-unread-p (car arts))
9277 (setq result (car arts)
9279 (setq arts (cdr arts)))
9283 (goto-char (gnus-data-pos result))
9284 (gnus-data-number result)))))
9286 (defun gnus-summary-find-subject (subject &optional unread backward article)
9287 (let* ((simp-subject (gnus-simplify-subject-fully subject))
9288 (article (or article (gnus-summary-article-number)))
9289 (articles (gnus-data-list backward))
9290 (arts (gnus-data-find-list article articles))
9292 (when (or (not gnus-summary-check-current)
9294 (not (gnus-data-unread-p (car arts))))
9295 (setq arts (cdr arts)))
9297 (and (or (not unread)
9298 (gnus-data-unread-p (car arts)))
9299 (vectorp (gnus-data-header (car arts)))
9301 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
9302 (setq result (car arts)
9304 (setq arts (cdr arts)))
9306 (goto-char (gnus-data-pos result))
9307 (gnus-data-number result))))
9309 (defun gnus-summary-search-forward (&optional unread subject backward)
9310 "Search forward for an article.
9311 If UNREAD, look for unread articles. If SUBJECT, look for
9312 articles with that subject. If BACKWARD, search backward instead."
9313 (cond (subject (gnus-summary-find-subject subject unread backward))
9314 (backward (gnus-summary-find-prev unread))
9315 (t (gnus-summary-find-next unread))))
9317 (defun gnus-recenter (&optional n)
9318 "Center point in window and redisplay frame.
9319 Also do horizontal recentering."
9321 (when (and gnus-auto-center-summary
9322 (not (eq gnus-auto-center-summary 'vertical)))
9323 (gnus-horizontal-recenter))
9326 (defun gnus-summary-recenter ()
9327 "Center point in the summary window.
9328 If `gnus-auto-center-summary' is nil, or the article buffer isn't
9329 displayed, no centering will be performed."
9330 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
9331 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
9332 (let* ((top (cond ((< (window-height) 4) 0)
9333 ((< (window-height) 7) 1)
9335 (height (1- (window-height)))
9336 (bottom (save-excursion (goto-char (point-max))
9337 (forward-line (- height))
9339 (window (get-buffer-window (current-buffer))))
9340 ;; The user has to want it.
9341 (when gnus-auto-center-summary
9342 (when (get-buffer-window gnus-article-buffer)
9343 ;; Only do recentering when the article buffer is displayed,
9344 ;; Set the window start to either `bottom', which is the biggest
9345 ;; possible valid number, or the second line from the top,
9346 ;; whichever is the least.
9348 window (min bottom (save-excursion
9349 (forward-line (- top)) (point)))))
9350 ;; Do horizontal recentering while we're at it.
9351 (when (and (get-buffer-window (current-buffer) t)
9352 (not (eq gnus-auto-center-summary 'vertical)))
9353 (let ((selected (selected-window)))
9354 (select-window (get-buffer-window (current-buffer) t))
9355 (gnus-summary-position-point)
9356 (gnus-horizontal-recenter)
9357 (select-window selected))))))
9359 (defun gnus-horizontal-recenter ()
9360 "Recenter the current buffer horizontally."
9361 (if (< (current-column) (/ (window-width) 2))
9362 (set-window-hscroll (get-buffer-window (current-buffer) t) 0)
9363 (let* ((orig (point))
9364 (end (window-end (get-buffer-window (current-buffer) t)))
9366 ;; Find the longest line currently displayed in the window.
9367 (goto-char (window-start))
9368 (while (and (not (eobp))
9371 (setq max (max max (current-column)))
9374 ;; Scroll horizontally to center (sort of) the point.
9375 (if (> max (window-width))
9377 (get-buffer-window (current-buffer) t)
9378 (min (- (current-column) (/ (window-width) 3))
9379 (+ 2 (- max (window-width)))))
9380 (set-window-hscroll (get-buffer-window (current-buffer) t) 0))
9383 ;; Function written by Stainless Steel Rat <ratinox@ccs.neu.edu>.
9384 (defun gnus-short-group-name (group &optional levels)
9385 "Collapse GROUP name LEVELS."
9392 (while (string-match "\\." group skip)
9393 (setq skip (match-end 0)
9396 (if (string-match ":" group)
9397 (setq foreign (substring group 0 (match-end 0))
9398 group (substring group (match-end 0))))
9400 (if (and (string-match "\\." group)
9401 (> levels (- gnus-group-uncollapsed-levels 1)))
9402 (setq name (concat name (substring group 0 1))
9403 group (substring group (match-end 0))
9405 name (concat name "."))
9406 (setq name (concat foreign name group)
9410 (defun gnus-summary-jump-to-group (newsgroup)
9411 "Move point to NEWSGROUP in group mode buffer."
9412 ;; Keep update point of group mode buffer if visible.
9413 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
9414 (save-window-excursion
9415 ;; Take care of tree window mode.
9416 (if (get-buffer-window gnus-group-buffer)
9417 (pop-to-buffer gnus-group-buffer))
9418 (gnus-group-jump-to-group newsgroup))
9420 ;; Take care of tree window mode.
9421 (if (get-buffer-window gnus-group-buffer)
9422 (pop-to-buffer gnus-group-buffer)
9423 (set-buffer gnus-group-buffer))
9424 (gnus-group-jump-to-group newsgroup))))
9426 ;; This function returns a list of article numbers based on the
9427 ;; difference between the ranges of read articles in this group and
9428 ;; the range of active articles.
9429 (defun gnus-list-of-unread-articles (group)
9430 (let* ((read (gnus-info-read (gnus-get-info group)))
9431 (active (gnus-active group))
9434 ;; If none are read, then all are unread.
9436 (setq first (car active))
9437 ;; If the range of read articles is a single range, then the
9438 ;; first unread article is the article after the last read
9439 ;; article. Sounds logical, doesn't it?
9440 (if (not (listp (cdr read)))
9441 (setq first (1+ (cdr read)))
9442 ;; `read' is a list of ranges.
9443 (if (/= (setq nlast (or (and (numberp (car read)) (car read))
9448 (while (< first nlast)
9449 (setq unread (cons first unread))
9450 (setq first (1+ first))))
9451 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
9452 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
9453 (setq read (cdr read)))))
9454 ;; And add the last unread articles.
9455 (while (<= first last)
9456 (setq unread (cons first unread))
9457 (setq first (1+ first)))
9458 ;; Return the list of unread articles.
9461 (defun gnus-list-of-read-articles (group)
9462 "Return a list of unread, unticked and non-dormant articles."
9463 (let* ((info (gnus-get-info group))
9464 (marked (gnus-info-marks info))
9465 (active (gnus-active group)))
9467 (gnus-set-difference
9468 (gnus-sorted-complement
9469 (gnus-uncompress-range active)
9470 (gnus-list-of-unread-articles group))
9472 (gnus-uncompress-range (cdr (assq 'dormant marked)))
9473 (gnus-uncompress-range (cdr (assq 'tick marked))))))))
9475 ;; Various summary commands
9477 (defun gnus-summary-universal-argument (arg)
9478 "Perform any operation on all articles that are process/prefixed."
9480 (gnus-set-global-variables)
9481 (let ((articles (gnus-summary-work-articles arg))
9488 (substitute-command-keys
9489 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"
9493 (message "Undefined key")
9497 (gnus-summary-goto-subject (setq article (pop articles)))
9498 (command-execute func)
9499 (gnus-summary-remove-process-mark article)))))
9500 (gnus-summary-position-point))
9502 (defun gnus-summary-toggle-truncation (&optional arg)
9503 "Toggle truncation of summary lines.
9504 With arg, turn line truncation on iff arg is positive."
9506 (setq truncate-lines
9507 (if (null arg) (not truncate-lines)
9508 (> (prefix-numeric-value arg) 0)))
9511 (defun gnus-summary-reselect-current-group (&optional all rescan)
9512 "Exit and then reselect the current newsgroup.
9513 The prefix argument ALL means to select all articles."
9515 (gnus-set-global-variables)
9516 (let ((current-subject (gnus-summary-article-number))
9517 (group gnus-newsgroup-name))
9518 (setq gnus-newsgroup-begin nil)
9520 ;; We have to adjust the point of group mode buffer because the
9521 ;; current point was moved to the next unread newsgroup by
9523 (gnus-summary-jump-to-group group)
9526 (gnus-group-get-new-news-this-group 1)))
9527 (gnus-group-read-group all t)
9528 (gnus-summary-goto-subject current-subject)))
9530 (defun gnus-summary-rescan-group (&optional all)
9531 "Exit the newsgroup, ask for new articles, and select the newsgroup."
9533 (gnus-summary-reselect-current-group all t))
9535 (defun gnus-summary-update-info ()
9536 (let* ((group gnus-newsgroup-name))
9537 (when gnus-newsgroup-kill-headers
9538 (setq gnus-newsgroup-killed
9539 (gnus-compress-sequence
9541 (gnus-set-sorted-intersection
9542 (gnus-uncompress-range gnus-newsgroup-killed)
9543 (setq gnus-newsgroup-unselected
9544 (sort gnus-newsgroup-unselected '<)))
9545 (setq gnus-newsgroup-unreads
9546 (sort gnus-newsgroup-unreads '<))) t)))
9547 (unless (listp (cdr gnus-newsgroup-killed))
9548 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
9549 (let ((headers gnus-newsgroup-headers))
9550 (gnus-close-group group)
9551 (run-hooks 'gnus-exit-group-hook)
9552 (unless gnus-save-score
9553 (setq gnus-newsgroup-scored nil))
9554 ;; Set the new ranges of read articles.
9555 (gnus-update-read-articles
9556 group (append gnus-newsgroup-unreads gnus-newsgroup-unselected))
9557 ;; Set the current article marks.
9559 ;; Do the cross-ref thing.
9560 (when gnus-use-cross-reference
9561 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
9562 ;; Do adaptive scoring, and possibly save score files.
9563 (when gnus-newsgroup-adaptive
9564 (gnus-score-adaptive))
9565 (when gnus-use-scoring
9567 ;; Do not switch windows but change the buffer to work.
9568 (set-buffer gnus-group-buffer)
9569 (or (gnus-ephemeral-group-p gnus-newsgroup-name)
9570 (gnus-group-update-group group)))))
9572 (defun gnus-summary-exit (&optional temporary)
9573 "Exit reading current newsgroup, and then return to group selection mode.
9574 gnus-exit-group-hook is called with no arguments if that value is non-nil."
9576 (gnus-set-global-variables)
9577 (gnus-kill-save-kill-buffer)
9578 (let* ((group gnus-newsgroup-name)
9579 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
9581 (buf (current-buffer)))
9582 (run-hooks 'gnus-summary-prepare-exit-hook)
9583 ;; If we have several article buffers, we kill them at exit.
9584 (unless gnus-single-article-buffer
9585 (gnus-kill-buffer gnus-article-buffer)
9586 (gnus-kill-buffer gnus-original-article-buffer))
9587 (when gnus-use-cache
9588 (gnus-cache-possibly-remove-articles)
9589 (gnus-cache-save-buffers))
9590 (when gnus-use-trees
9591 (gnus-tree-close group))
9592 ;; Make all changes in this group permanent.
9594 (gnus-summary-update-info))
9595 ;; Make sure where I was, and go to next newsgroup.
9596 (set-buffer gnus-group-buffer)
9598 (gnus-group-jump-to-group group)
9599 (gnus-group-next-unread-group 1))
9600 (run-hooks 'gnus-summary-exit-hook)
9603 ;; If we have several article buffers, we kill them at exit.
9604 (unless gnus-single-article-buffer
9605 (gnus-kill-buffer gnus-article-buffer)
9606 (gnus-kill-buffer gnus-original-article-buffer))
9608 (if (not gnus-kill-summary-on-exit)
9609 (gnus-deaden-summary)
9610 ;; We set all buffer-local variables to nil. It is unclear why
9611 ;; this is needed, but if we don't, buffer-local variables are
9612 ;; not garbage-collected, it seems. This would the lead to en
9613 ;; ever-growing Emacs.
9614 (gnus-summary-clear-local-variables)
9615 (when (get-buffer gnus-article-buffer)
9616 (bury-buffer gnus-article-buffer))
9617 ;; We clear the global counterparts of the buffer-local
9618 ;; variables as well, just to be on the safe side.
9619 (gnus-configure-windows 'group 'force)
9620 (gnus-summary-clear-local-variables)
9621 ;; Return to group mode buffer.
9622 (if (eq mode 'gnus-summary-mode)
9623 (gnus-kill-buffer buf)))
9624 (setq gnus-current-select-method gnus-select-method)
9625 (pop-to-buffer gnus-group-buffer)
9626 ;; Clear the current group name.
9627 (if (not quit-config)
9629 (gnus-group-jump-to-group group)
9630 (gnus-group-next-unread-group 1)
9631 (gnus-configure-windows 'group 'force))
9632 (if (not (buffer-name (car quit-config)))
9633 (gnus-configure-windows 'group 'force)
9634 (set-buffer (car quit-config))
9635 (and (eq major-mode 'gnus-summary-mode)
9636 (gnus-set-global-variables))
9637 (gnus-configure-windows (cdr quit-config))))
9639 (setq gnus-newsgroup-name nil)))))
9641 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
9642 (defun gnus-summary-exit-no-update (&optional no-questions)
9643 "Quit reading current newsgroup without updating read article info."
9645 (gnus-set-global-variables)
9646 (let* ((group gnus-newsgroup-name)
9647 (quit-config (gnus-group-quit-config group)))
9648 (when (or no-questions
9650 (gnus-y-or-n-p "Do you really wanna quit reading this group? "))
9651 ;; If we have several article buffers, we kill them at exit.
9652 (unless gnus-single-article-buffer
9653 (gnus-kill-buffer gnus-article-buffer)
9654 (gnus-kill-buffer gnus-original-article-buffer))
9655 (if (not gnus-kill-summary-on-exit)
9656 (gnus-deaden-summary)
9657 (gnus-close-group group)
9658 (gnus-summary-clear-local-variables)
9659 (set-buffer gnus-group-buffer)
9660 (gnus-summary-clear-local-variables)
9661 (when (get-buffer gnus-summary-buffer)
9662 (kill-buffer gnus-summary-buffer)))
9663 (when gnus-use-trees
9664 (gnus-tree-close group))
9665 (when (get-buffer gnus-article-buffer)
9666 (bury-buffer gnus-article-buffer))
9667 ;; Return to the group buffer.
9668 (gnus-configure-windows 'group 'force)
9669 ;; Clear the current group name.
9670 (setq gnus-newsgroup-name nil)
9671 (when (equal (gnus-group-group-name) group)
9672 (gnus-group-next-unread-group 1))
9674 (if (not (buffer-name (car quit-config)))
9675 (gnus-configure-windows 'group 'force)
9676 (set-buffer (car quit-config))
9677 (when (eq major-mode 'gnus-summary-mode)
9678 (gnus-set-global-variables))
9679 (gnus-configure-windows (cdr quit-config)))))))
9683 (defvar gnus-dead-summary-mode-map nil)
9685 (if gnus-dead-summary-mode-map
9687 (setq gnus-dead-summary-mode-map (make-keymap))
9688 (suppress-keymap gnus-dead-summary-mode-map)
9689 (substitute-key-definition
9690 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
9691 (let ((keys '("\C-d" "\r" "\177")))
9693 (define-key gnus-dead-summary-mode-map
9694 (pop keys) 'gnus-summary-wake-up-the-dead))))
9696 (defvar gnus-dead-summary-mode nil
9697 "Minor mode for Gnus summary buffers.")
9699 (defun gnus-dead-summary-mode (&optional arg)
9700 "Minor mode for Gnus summary buffers."
9702 (when (eq major-mode 'gnus-summary-mode)
9703 (make-local-variable 'gnus-dead-summary-mode)
9704 (setq gnus-dead-summary-mode
9705 (if (null arg) (not gnus-dead-summary-mode)
9706 (> (prefix-numeric-value arg) 0)))
9707 (when gnus-dead-summary-mode
9708 (unless (assq 'gnus-dead-summary-mode minor-mode-alist)
9709 (push '(gnus-dead-summary-mode " Dead") minor-mode-alist))
9710 (unless (assq 'gnus-dead-summary-mode minor-mode-map-alist)
9711 (push (cons 'gnus-dead-summary-mode gnus-dead-summary-mode-map)
9712 minor-mode-map-alist)))))
9714 (defun gnus-deaden-summary ()
9715 "Make the current summary buffer into a dead summary buffer."
9716 ;; Kill any previous dead summary buffer.
9717 (when (and gnus-dead-summary
9718 (buffer-name gnus-dead-summary))
9720 (set-buffer gnus-dead-summary)
9721 (when gnus-dead-summary-mode
9722 (kill-buffer (current-buffer)))))
9723 ;; Make this the current dead summary.
9724 (setq gnus-dead-summary (current-buffer))
9725 (gnus-dead-summary-mode 1)
9726 (let ((name (buffer-name)))
9727 (when (string-match "Summary" name)
9729 (concat (substring name 0 (match-beginning 0)) "Dead "
9730 (substring name (match-beginning 0))) t))))
9732 (defun gnus-kill-or-deaden-summary (buffer)
9733 "Kill or deaden the summary BUFFER."
9734 (cond (gnus-kill-summary-on-exit
9735 (when (and gnus-use-trees
9736 (and (get-buffer buffer)
9737 (buffer-name (get-buffer buffer))))
9739 (set-buffer (get-buffer buffer))
9740 (gnus-tree-close gnus-newsgroup-name)))
9741 (gnus-kill-buffer buffer))
9742 ((and (get-buffer buffer)
9743 (buffer-name (get-buffer buffer)))
9746 (gnus-deaden-summary)))))
9748 (defun gnus-summary-wake-up-the-dead (&rest args)
9749 "Wake up the dead summary buffer."
9751 (gnus-dead-summary-mode -1)
9752 (let ((name (buffer-name)))
9753 (when (string-match "Dead " name)
9755 (concat (substring name 0 (match-beginning 0))
9756 (substring name (match-end 0))) t)))
9757 (gnus-message 3 "This dead summary is now alive again"))
9759 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
9760 (defun gnus-summary-fetch-faq (&optional faq-dir)
9761 "Fetch the FAQ for the current group.
9762 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
9766 (if current-prefix-arg
9768 "Faq dir: " (and (listp gnus-group-faq-directory)
9769 gnus-group-faq-directory)))))
9770 (let (gnus-faq-buffer)
9771 (and (setq gnus-faq-buffer
9772 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
9773 (gnus-configure-windows 'summary-faq))))
9775 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
9776 (defun gnus-summary-describe-group (&optional force)
9777 "Describe the current newsgroup."
9779 (gnus-group-describe-group force gnus-newsgroup-name))
9781 (defun gnus-summary-describe-briefly ()
9782 "Describe summary mode commands briefly."
9785 (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")))
9787 ;; Walking around group mode buffer from summary mode.
9789 (defun gnus-summary-next-group (&optional no-article target-group backward)
9790 "Exit current newsgroup and then select next unread newsgroup.
9791 If prefix argument NO-ARTICLE is non-nil, no article is selected
9792 initially. If NEXT-GROUP, go to this group. If BACKWARD, go to
9793 previous group instead."
9795 (gnus-set-global-variables)
9796 (let ((current-group gnus-newsgroup-name)
9797 (current-buffer (current-buffer))
9799 ;; First we semi-exit this group to update Xrefs and all variables.
9800 ;; We can't do a real exit, because the window conf must remain
9801 ;; the same in case the user is prompted for info, and we don't
9802 ;; want the window conf to change before that...
9803 (gnus-summary-exit t)
9804 (while (not entered)
9805 ;; Then we find what group we are supposed to enter.
9806 (set-buffer gnus-group-buffer)
9807 (gnus-group-jump-to-group current-group)
9810 (if (eq gnus-keep-same-level 'best)
9811 (gnus-summary-best-group gnus-newsgroup-name)
9812 (gnus-summary-search-group backward gnus-keep-same-level))))
9813 (if (not target-group)
9814 ;; There are no further groups, so we return to the group
9817 (gnus-message 5 "Returning to the group buffer")
9819 (set-buffer current-buffer)
9820 (gnus-summary-exit))
9821 ;; We try to enter the target group.
9822 (gnus-group-jump-to-group target-group)
9823 (let ((unreads (gnus-group-group-unread)))
9824 (if (and (or (eq t unreads)
9825 (and unreads (not (zerop unreads))))
9826 (gnus-summary-read-group
9827 target-group nil no-article current-buffer))
9829 (setq current-group target-group
9830 target-group nil)))))))
9832 (defun gnus-summary-prev-group (&optional no-article)
9833 "Exit current newsgroup and then select previous unread newsgroup.
9834 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
9836 (gnus-summary-next-group no-article nil t))
9838 ;; Walking around summary lines.
9840 (defun gnus-summary-first-subject (&optional unread)
9841 "Go to the first unread subject.
9842 If UNREAD is non-nil, go to the first unread article.
9843 Returns the article selected or nil if there are no unread articles."
9848 ((null gnus-newsgroup-data)
9849 (gnus-message 3 "No articles in the group")
9851 ;; Pick the first article.
9853 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
9854 (gnus-data-number (car gnus-newsgroup-data)))
9855 ;; No unread articles.
9856 ((null gnus-newsgroup-unreads)
9857 (gnus-message 3 "No more unread articles")
9859 ;; Find the first unread article.
9861 (let ((data gnus-newsgroup-data))
9863 (not (gnus-data-unread-p (car data))))
9864 (setq data (cdr data)))
9867 (goto-char (gnus-data-pos (car data)))
9868 (gnus-data-number (car data)))))))
9869 (gnus-summary-position-point)))
9871 (defun gnus-summary-next-subject (n &optional unread dont-display)
9872 "Go to next N'th summary line.
9873 If N is negative, go to the previous N'th subject line.
9874 If UNREAD is non-nil, only unread articles are selected.
9875 The difference between N and the actual number of steps taken is
9878 (let ((backward (< n 0))
9882 (gnus-summary-find-prev unread)
9883 (gnus-summary-find-next unread)))
9885 (if (/= 0 n) (gnus-message 7 "No more%s articles"
9886 (if unread " unread" "")))
9889 (gnus-summary-recenter)
9890 (gnus-summary-position-point)))
9893 (defun gnus-summary-next-unread-subject (n)
9894 "Go to next N'th unread summary line."
9896 (gnus-summary-next-subject n t))
9898 (defun gnus-summary-prev-subject (n &optional unread)
9899 "Go to previous N'th summary line.
9900 If optional argument UNREAD is non-nil, only unread article is selected."
9902 (gnus-summary-next-subject (- n) unread))
9904 (defun gnus-summary-prev-unread-subject (n)
9905 "Go to previous N'th unread summary line."
9907 (gnus-summary-next-subject (- n) t))
9909 (defun gnus-summary-goto-subject (article &optional force silent)
9910 "Go the subject line of ARTICLE.
9911 If FORCE, also allow jumping to articles not currently shown."
9913 (data (gnus-data-find article)))
9914 ;; We read in the article if we have to.
9917 (gnus-summary-insert-subject article)
9918 (setq data (gnus-data-find article)))
9923 (gnus-message 3 "Can't find article %d" article))
9925 (goto-char (gnus-data-pos data))
9928 ;; Walking around summary lines with displaying articles.
9930 (defun gnus-summary-expand-window (&optional arg)
9931 "Make the summary buffer take up the entire Emacs frame.
9932 Given a prefix, will force an `article' buffer configuration."
9934 (gnus-set-global-variables)
9936 (gnus-configure-windows 'article 'force)
9937 (gnus-configure-windows 'summary 'force)))
9939 (defun gnus-summary-display-article (article &optional all-header)
9940 "Display ARTICLE in article buffer."
9941 (gnus-set-global-variables)
9945 (if gnus-summary-display-article-function
9946 (funcall gnus-summary-display-article-function article all-header)
9947 (gnus-article-prepare article all-header))
9948 (run-hooks 'gnus-select-article-hook)
9949 (gnus-summary-recenter)
9950 (gnus-summary-goto-subject article)
9951 (when gnus-use-trees
9952 (gnus-possibly-generate-tree article)
9953 (gnus-highlight-selected-tree article))
9954 ;; Successfully display article.
9955 (gnus-article-set-window-start
9956 (cdr (assq article gnus-newsgroup-bookmarks)))
9959 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
9960 "Select the current article.
9961 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
9962 non-nil, the article will be re-fetched even if it already present in
9963 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
9965 (let ((article (or article (gnus-summary-article-number)))
9966 (all-headers (not (not all-headers))) ;Must be T or NIL.
9967 gnus-summary-display-article-function
9970 (gnus-summary-article-pseudo-p article)
9971 (error "This is a pseudo-article."))
9974 (set-buffer gnus-summary-buffer)
9975 (if (or (and gnus-single-article-buffer
9976 (or (null gnus-current-article)
9977 (null gnus-article-current)
9978 (null (get-buffer gnus-article-buffer))
9979 (not (eq article (cdr gnus-article-current)))
9980 (not (equal (car gnus-article-current)
9981 gnus-newsgroup-name))))
9982 (and (not gnus-single-article-buffer)
9983 (null gnus-current-article))
9985 ;; The requested article is different from the current article.
9987 (gnus-summary-display-article article all-headers)
9989 (if (or all-headers gnus-show-all-headers)
9990 (gnus-article-show-all-headers))
9993 (gnus-article-set-window-start
9994 (cdr (assq article gnus-newsgroup-bookmarks)))))))
9996 (defun gnus-summary-set-current-mark (&optional current-mark)
9997 "Obsolete function."
10000 (defun gnus-summary-next-article (&optional unread subject backward push)
10001 "Select the next article.
10002 If UNREAD, only unread articles are selected.
10003 If SUBJECT, only articles with SUBJECT are selected.
10004 If BACKWARD, the previous article is selected instead of the next."
10006 (gnus-set-global-variables)
10009 ;; Is there such an article?
10010 ((and (gnus-summary-search-forward unread subject backward)
10011 (or (gnus-summary-display-article (gnus-summary-article-number))
10012 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
10013 (gnus-summary-position-point))
10014 ;; If not, we try the first unread, if that is wanted.
10016 gnus-auto-select-same
10017 (or (gnus-summary-first-unread-article)
10018 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
10019 (gnus-summary-position-point)
10020 (gnus-message 6 "Wrapped"))
10021 ;; Try to get next/previous article not displayed in this group.
10022 ((and gnus-auto-extend-newsgroup
10023 (not unread) (not subject))
10024 (gnus-summary-goto-article
10025 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
10027 ;; Go to next/previous group.
10029 (or (gnus-ephemeral-group-p gnus-newsgroup-name)
10030 (gnus-summary-jump-to-group gnus-newsgroup-name))
10031 (let ((cmd last-command-char)
10033 (if (eq gnus-keep-same-level 'best)
10034 (gnus-summary-best-group gnus-newsgroup-name)
10035 (gnus-summary-search-group backward gnus-keep-same-level))))
10036 ;; For some reason, the group window gets selected. We change
10038 (select-window (get-buffer-window (current-buffer)))
10039 ;; Select next unread newsgroup automagically.
10041 ((not gnus-auto-select-next)
10042 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
10043 ((or (eq gnus-auto-select-next 'quietly)
10044 (and (eq gnus-auto-select-next 'slightly-quietly)
10046 (and (eq gnus-auto-select-next 'almost-quietly)
10047 (gnus-summary-last-article-p)))
10049 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
10050 (gnus-summary-exit)
10051 (gnus-message 7 "No more%s articles (%s)..."
10052 (if unread " unread" "")
10053 (if group (concat "selecting " group)
10055 (gnus-summary-next-group nil group backward)))
10057 (gnus-summary-walk-group-buffer
10058 gnus-newsgroup-name cmd unread backward))))))))
10060 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward)
10061 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
10062 (?\C-p (gnus-group-prev-unread-group 1))))
10063 keve key group ended)
10065 (set-buffer gnus-group-buffer)
10066 (gnus-summary-jump-to-group from-group)
10068 (if (eq gnus-keep-same-level 'best)
10069 (gnus-summary-best-group gnus-newsgroup-name)
10070 (gnus-summary-search-group backward gnus-keep-same-level))))
10073 5 "No more%s articles%s" (if unread " unread" "")
10075 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
10076 (format " (Type %s for %s [%s])"
10077 (single-key-description cmd) group
10078 (car (gnus-gethash group gnus-newsrc-hashtb)))
10079 (format " (Type %s to exit %s)"
10080 (single-key-description cmd)
10081 gnus-newsgroup-name)))
10082 ;; Confirm auto selection.
10083 (setq key (car (setq keve (gnus-read-event-char))))
10086 ((assq key keystrokes)
10087 (let ((obuf (current-buffer)))
10088 (switch-to-buffer gnus-group-buffer)
10090 (gnus-group-jump-to-group group))
10091 (eval (cadr (assq key keystrokes)))
10092 (setq group (gnus-group-group-name))
10093 (switch-to-buffer obuf))
10096 (if (or (not group)
10097 (gnus-ephemeral-group-p gnus-newsgroup-name))
10098 (gnus-summary-exit)
10099 (gnus-summary-next-group nil group backward)))
10101 (push (cdr keve) unread-command-events))))))
10103 (defun gnus-read-event-char ()
10104 "Get the next event."
10105 (let ((event (read-event)))
10106 (cons (and (numberp event) event) event)))
10108 (defun gnus-summary-next-unread-article ()
10109 "Select unread article after current one."
10111 (gnus-summary-next-article t (and gnus-auto-select-same
10112 (gnus-summary-article-subject))))
10114 (defun gnus-summary-prev-article (&optional unread subject)
10115 "Select the article after the current one.
10116 If UNREAD is non-nil, only unread articles are selected."
10118 (gnus-summary-next-article unread subject t))
10120 (defun gnus-summary-prev-unread-article ()
10121 "Select unred article before current one."
10123 (gnus-summary-prev-article t (and gnus-auto-select-same
10124 (gnus-summary-article-subject))))
10126 (defun gnus-summary-next-page (&optional lines circular)
10127 "Show next page of the selected article.
10128 If at the end of the current article, select the next article.
10129 LINES says how many lines should be scrolled up.
10131 If CIRCULAR is non-nil, go to the start of the article instead of
10132 selecting the next article when reaching the end of the current
10135 (setq gnus-summary-buffer (current-buffer))
10136 (gnus-set-global-variables)
10137 (let ((article (gnus-summary-article-number))
10139 (gnus-configure-windows 'article)
10140 (if (or (null gnus-current-article)
10141 (null gnus-article-current)
10142 (/= article (cdr gnus-article-current))
10143 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
10144 ;; Selected subject is different from current article's.
10145 (gnus-summary-display-article article)
10146 (gnus-eval-in-buffer-window
10147 gnus-article-buffer
10148 (setq endp (gnus-article-next-page lines)))
10151 (gnus-summary-beginning-of-article))
10153 (gnus-message 3 "End of message"))
10155 (if (and (eq gnus-summary-goto-unread 'never)
10156 (not (eq article gnus-newsgroup-end)))
10157 (gnus-summary-next-article)
10158 (gnus-summary-next-unread-article))))))
10159 (gnus-summary-recenter)
10160 (gnus-summary-position-point)))
10162 (defun gnus-summary-prev-page (&optional lines)
10163 "Show previous page of selected article.
10164 Argument LINES specifies lines to be scrolled down."
10166 (gnus-set-global-variables)
10167 (let ((article (gnus-summary-article-number)))
10168 (gnus-configure-windows 'article)
10169 (if (or (null gnus-current-article)
10170 (null gnus-article-current)
10171 (/= article (cdr gnus-article-current))
10172 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
10173 ;; Selected subject is different from current article's.
10174 (gnus-summary-display-article article)
10175 (gnus-summary-recenter)
10176 (gnus-eval-in-buffer-window gnus-article-buffer
10177 (gnus-article-prev-page lines))))
10178 (gnus-summary-position-point))
10180 (defun gnus-summary-scroll-up (lines)
10181 "Scroll up (or down) one line current article.
10182 Argument LINES specifies lines to be scrolled up (or down if negative)."
10184 (gnus-set-global-variables)
10185 (gnus-configure-windows 'article)
10186 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
10187 (gnus-eval-in-buffer-window
10188 gnus-article-buffer
10190 (if (gnus-article-next-page lines)
10191 (gnus-message 3 "End of message")))
10193 (gnus-article-prev-page (- lines))))))
10194 (gnus-summary-recenter)
10195 (gnus-summary-position-point))
10197 (defun gnus-summary-next-same-subject ()
10198 "Select next article which has the same subject as current one."
10200 (gnus-set-global-variables)
10201 (gnus-summary-next-article nil (gnus-summary-article-subject)))
10203 (defun gnus-summary-prev-same-subject ()
10204 "Select previous article which has the same subject as current one."
10206 (gnus-set-global-variables)
10207 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
10209 (defun gnus-summary-next-unread-same-subject ()
10210 "Select next unread article which has the same subject as current one."
10212 (gnus-set-global-variables)
10213 (gnus-summary-next-article t (gnus-summary-article-subject)))
10215 (defun gnus-summary-prev-unread-same-subject ()
10216 "Select previous unread article which has the same subject as current one."
10218 (gnus-set-global-variables)
10219 (gnus-summary-prev-article t (gnus-summary-article-subject)))
10221 (defun gnus-summary-first-unread-article ()
10222 "Select the first unread article.
10223 Return nil if there are no unread articles."
10225 (gnus-set-global-variables)
10227 (if (gnus-summary-first-subject t)
10229 (gnus-summary-show-thread)
10230 (gnus-summary-first-subject t)
10231 (gnus-summary-display-article (gnus-summary-article-number))))
10232 (gnus-summary-position-point)))
10234 (defun gnus-summary-best-unread-article ()
10235 "Select the unread article with the highest score."
10237 (gnus-set-global-variables)
10238 (let ((best -1000000)
10239 (data gnus-newsgroup-data)
10242 (and (gnus-data-unread-p (car data))
10244 (gnus-summary-article-score (gnus-data-number (car data))))
10247 article (gnus-data-number (car data))))
10248 (setq data (cdr data)))
10250 (gnus-summary-goto-article article)
10251 (error "No unread articles"))
10252 (gnus-summary-position-point)))
10254 (defun gnus-summary-last-subject ()
10255 "Go to the last displayed subject line in the group."
10256 (let ((article (gnus-data-number (car (gnus-data-list t)))))
10258 (gnus-summary-goto-subject article))))
10260 (defun gnus-summary-goto-article (article &optional all-headers force)
10261 "Fetch ARTICLE and display it if it exists.
10262 If ALL-HEADERS is non-nil, no header lines are hidden."
10268 (mapcar (lambda (number) (list (int-to-string number)))
10269 gnus-newsgroup-limit)))
10273 (if (gnus-summary-goto-subject article force)
10274 (gnus-summary-display-article article all-headers)
10275 (gnus-message 4 "Couldn't go to article %s" article) nil)
10276 (gnus-summary-position-point)))
10278 (defun gnus-summary-goto-last-article ()
10279 "Go to the previously read article."
10282 (and gnus-last-article
10283 (gnus-summary-goto-article gnus-last-article))
10284 (gnus-summary-position-point)))
10286 (defun gnus-summary-pop-article (number)
10287 "Pop one article off the history and go to the previous.
10288 NUMBER articles will be popped off."
10291 (setq gnus-newsgroup-history
10292 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
10294 (gnus-summary-goto-article (car to))
10295 (error "Article history empty")))
10296 (gnus-summary-position-point))
10298 ;; Summary commands and functions for limiting the summary buffer.
10300 (defun gnus-summary-limit-to-articles (n)
10301 "Limit the summary buffer to the next N articles.
10302 If not given a prefix, use the process marked articles instead."
10304 (gnus-set-global-variables)
10306 (let ((articles (gnus-summary-work-articles n)))
10307 (setq gnus-newsgroup-processable nil)
10308 (gnus-summary-limit articles))
10309 (gnus-summary-position-point)))
10311 (defun gnus-summary-pop-limit (&optional total)
10312 "Restore the previous limit.
10313 If given a prefix, remove all limits."
10315 (gnus-set-global-variables)
10317 (setq gnus-newsgroup-limits
10318 (list (mapcar (lambda (h) (mail-header-number h))
10319 gnus-newsgroup-headers))))
10320 (unless gnus-newsgroup-limits
10321 (error "No limit to pop"))
10323 (gnus-summary-limit nil 'pop)
10324 (gnus-summary-position-point)))
10326 (defun gnus-summary-limit-to-subject (subject &optional header)
10327 "Limit the summary buffer to articles that have subjects that match a regexp."
10328 (interactive "sRegexp: ")
10330 (setq header "subject"))
10331 (when (not (equal "" subject))
10333 (let ((articles (gnus-summary-find-matching
10334 (or header "subject") subject 'all)))
10335 (or articles (error "Found no matches for \"%s\"" subject))
10336 (gnus-summary-limit articles))
10337 (gnus-summary-position-point))))
10339 (defun gnus-summary-limit-to-author (from)
10340 "Limit the summary buffer to articles that have authors that match a regexp."
10341 (interactive "sRegexp: ")
10342 (gnus-summary-limit-to-subject from "from"))
10344 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
10346 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
10348 (defun gnus-summary-limit-to-unread (&optional all)
10349 "Limit the summary buffer to articles that are not marked as read.
10350 If ALL is non-nil, limit strictly to unread articles."
10353 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
10354 (gnus-summary-limit-to-marks
10355 ;; Concat all the marks that say that an article is read and have
10357 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
10358 gnus-killed-mark gnus-kill-file-mark
10359 gnus-low-score-mark gnus-expirable-mark
10360 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark)
10363 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-to-marks)
10364 (make-obsolete 'gnus-summary-delete-marked-with 'gnus-summary-limit-to-marks)
10366 (defun gnus-summary-limit-to-marks (marks &optional reverse)
10367 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
10368 If REVERSE, limit the summary buffer to articles that are not marked
10369 with MARKS. MARKS can either be a string of marks or a list of marks.
10370 Returns how many articles were removed."
10371 (interactive "sMarks: ")
10372 (gnus-set-global-variables)
10374 (let ((data gnus-newsgroup-data)
10375 (marks (if (listp marks) marks
10376 (append marks nil))) ; Transform to list.
10379 (and (if reverse (not (memq (gnus-data-mark (car data)) marks))
10380 (memq (gnus-data-mark (car data)) marks))
10381 (setq articles (cons (gnus-data-number (car data)) articles)))
10382 (setq data (cdr data)))
10383 (gnus-summary-limit articles))
10384 (gnus-summary-position-point)))
10386 (defun gnus-summary-limit-to-score (&optional score)
10387 "Limit to articles with score at or above SCORE."
10389 (gnus-set-global-variables)
10390 (setq score (if score
10391 (prefix-numeric-value score)
10392 (or gnus-summary-default-score 0)))
10393 (let ((data gnus-newsgroup-data)
10396 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
10398 (push (gnus-data-number (car data)) articles))
10399 (setq data (cdr data)))
10401 (gnus-summary-limit articles)
10402 (gnus-summary-position-point))))
10404 (defun gnus-summary-limit-include-dormant ()
10405 "Display all the hidden articles that are marked as dormant."
10407 (gnus-set-global-variables)
10408 (or gnus-newsgroup-dormant
10409 (error "There are no dormant articles in this group"))
10411 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
10412 (gnus-summary-position-point)))
10414 (defun gnus-summary-limit-exclude-dormant ()
10415 "Hide all dormant articles."
10417 (gnus-set-global-variables)
10419 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
10420 (gnus-summary-position-point)))
10422 (defun gnus-summary-limit-exclude-childless-dormant ()
10423 "Hide all dormant articles that have no children."
10425 (gnus-set-global-variables)
10426 (let ((data (gnus-data-list t))
10427 articles d children)
10428 ;; Find all articles that are either not dormant or have
10430 (while (setq d (pop data))
10431 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
10432 (and (setq children
10433 (gnus-article-children (gnus-data-number d)))
10436 (when (memq (car children) articles)
10441 (push (gnus-data-number d) articles)))
10442 ;; Do the limiting.
10444 (gnus-summary-limit articles)
10445 (gnus-summary-position-point))))
10447 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
10448 "Mark all unread excluded articles as read.
10449 If ALL, mark even excluded ticked and dormants as read."
10451 (let ((articles (gnus-sorted-complement
10453 (mapcar (lambda (h) (mail-header-number h))
10454 gnus-newsgroup-headers)
10456 (sort gnus-newsgroup-limit '<)))
10458 (setq gnus-newsgroup-unreads nil)
10460 (setq gnus-newsgroup-dormant nil
10461 gnus-newsgroup-marked nil
10462 gnus-newsgroup-reads
10464 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
10465 gnus-newsgroup-reads))
10466 (while (setq article (pop articles))
10467 (unless (or (memq article gnus-newsgroup-dormant)
10468 (memq article gnus-newsgroup-marked))
10469 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
10471 (defun gnus-summary-limit (articles &optional pop)
10473 ;; We pop the previous limit off the stack and use that.
10474 (setq articles (car gnus-newsgroup-limits)
10475 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
10476 ;; We use the new limit, so we push the old limit on the stack.
10477 (setq gnus-newsgroup-limits
10478 (cons gnus-newsgroup-limit gnus-newsgroup-limits)))
10480 (setq gnus-newsgroup-limit articles)
10481 (let ((total (length gnus-newsgroup-data))
10482 (data (gnus-data-find-list (gnus-summary-article-number)))
10484 ;; This will do all the work of generating the new summary buffer
10485 ;; according to the new limit.
10486 (gnus-summary-prepare)
10487 ;; Hide any threads, possibly.
10488 (and gnus-show-threads
10489 gnus-thread-hide-subtree
10490 (gnus-summary-hide-all-threads))
10491 ;; Try to return to the article you were at, or one in the
10494 ;; We try to find some article after the current one.
10496 (and (gnus-summary-goto-subject
10497 (gnus-data-number (car data)) nil t)
10500 (setq data (cdr data))))
10502 ;; If there is no data, that means that we were after the last
10503 ;; article. The same goes when we can't find any articles
10504 ;; after the current one.
10506 (goto-char (point-max))
10507 (gnus-summary-find-prev)))
10508 ;; We return how many articles were removed from the summary
10509 ;; buffer as a result of the new limit.
10510 (- total (length gnus-newsgroup-data))))
10512 (defsubst gnus-cut-thread (thread)
10513 "Go forwards in the thread until we find an article that we want to display."
10514 (if (eq gnus-fetch-old-headers 'some)
10516 (memq (mail-header-number (car thread))
10517 gnus-newsgroup-ancient)
10518 (<= (length (cdr thread)) 1))
10519 (setq thread (cadr thread)))
10521 (memq (mail-header-number (car thread)) gnus-newsgroup-sparse)
10522 (= (length (cdr thread)) 1))
10523 (setq thread (cadr thread))))
10526 (defun gnus-cut-threads (threads)
10527 "Cut off all uninteresting articles from the beginning of threads."
10528 (when (or (eq gnus-fetch-old-headers 'some)
10529 (eq gnus-build-sparse-threads 'some)
10530 (eq gnus-build-sparse-threads 'more))
10531 (let ((th threads))
10533 (setcar th (gnus-cut-thread (car th)))
10534 (setq th (cdr th)))))
10537 (defun gnus-summary-initial-limit (&optional show-if-empty)
10538 "Figure out what the initial limit is supposed to be on group entry.
10539 This entails weeding out unwanted dormants, low-scored articles,
10540 fetch-old-headers verbiage, and so on."
10541 ;; Most groups have nothing to remove.
10542 (if (or gnus-inhibit-limiting
10543 (and (null gnus-newsgroup-dormant)
10544 (not (eq gnus-fetch-old-headers 'some))
10545 (null gnus-summary-expunge-below)
10546 (not (eq gnus-build-sparse-threads 'some))
10547 (not (eq gnus-build-sparse-threads 'more))
10548 (null gnus-thread-expunge-below)
10549 (not gnus-use-nocem)))
10551 (push gnus-newsgroup-limit gnus-newsgroup-limits)
10552 (setq gnus-newsgroup-limit nil)
10555 (unless (car (symbol-value node))
10556 ;; These threads have no parents -- they are roots.
10557 (let ((nodes (cdr (symbol-value node)))
10560 (if (and gnus-thread-expunge-below
10561 (< (gnus-thread-total-score (car nodes))
10562 gnus-thread-expunge-below))
10563 (gnus-expunge-thread (pop nodes))
10564 (setq thread (pop nodes))
10565 (gnus-summary-limit-children thread))))))
10566 gnus-newsgroup-dependencies)
10567 ;; If this limitation resulted in an empty group, we might
10568 ;; pop the previous limit and use it instead.
10569 (when (and (not gnus-newsgroup-limit)
10571 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
10572 gnus-newsgroup-limit))
10574 (defun gnus-summary-limit-children (thread)
10575 "Return 1 if this subthread is visible and 0 if it is not."
10576 ;; First we get the number of visible children to this thread. This
10577 ;; is done by recursing down the thread using this function, so this
10578 ;; will really go down to a leaf article first, before slowly
10579 ;; working its way up towards the root.
10583 (apply '+ (mapcar 'gnus-summary-limit-children
10586 (number (mail-header-number (car thread)))
10589 ;; If this article is dormant and has absolutely no visible
10590 ;; children, then this article isn't visible.
10591 (and (memq number gnus-newsgroup-dormant)
10593 ;; If this is a "fetch-old-headered" and there is only one
10594 ;; visible child (or less), then we don't want this article.
10595 (and (eq gnus-fetch-old-headers 'some)
10596 (memq number gnus-newsgroup-ancient)
10598 ;; If this is a sparsely inserted article with no children,
10599 ;; we don't want it.
10600 (and (eq gnus-build-sparse-threads 'some)
10601 (memq number gnus-newsgroup-sparse)
10603 ;; If we use expunging, and this article is really
10604 ;; low-scored, then we don't want this article.
10605 (when (and gnus-summary-expunge-below
10607 (or (cdr (assq number gnus-newsgroup-scored))
10608 gnus-summary-default-score))
10609 gnus-summary-expunge-below))
10610 ;; We increase the expunge-tally here, but that has
10611 ;; nothing to do with the limits, really.
10612 (incf gnus-newsgroup-expunged-tally)
10613 ;; We also mark as read here, if that's wanted.
10614 (when (and gnus-summary-mark-below
10615 (< score gnus-summary-mark-below))
10616 (setq gnus-newsgroup-unreads
10617 (delq number gnus-newsgroup-unreads))
10618 (if gnus-newsgroup-auto-expire
10619 (push number gnus-newsgroup-expirable)
10620 (push (cons number gnus-low-score-mark)
10621 gnus-newsgroup-reads)))
10623 (and gnus-use-nocem
10624 (gnus-nocem-unwanted-article-p (mail-header-id (car thread)))))
10625 ;; Nope, invisible article.
10627 ;; Ok, this article is to be visible, so we add it to the limit
10629 (setq gnus-newsgroup-limit (cons number gnus-newsgroup-limit))
10632 (defun gnus-expunge-thread (thread)
10633 "Mark all articles in THREAD as read."
10634 (let* ((number (mail-header-number (car thread))))
10635 (incf gnus-newsgroup-expunged-tally)
10636 ;; We also mark as read here, if that's wanted.
10637 (setq gnus-newsgroup-unreads
10638 (delq number gnus-newsgroup-unreads))
10639 (if gnus-newsgroup-auto-expire
10640 (push number gnus-newsgroup-expirable)
10641 (push (cons number gnus-low-score-mark)
10642 gnus-newsgroup-reads)))
10643 ;; Go recursively through all subthreads.
10644 (mapcar 'gnus-expunge-thread (cdr thread)))
10646 ;; Summary article oriented commands
10648 (defun gnus-summary-refer-parent-article (n)
10649 "Refer parent article N times.
10650 The difference between N and the number of articles fetched is returned."
10652 (gnus-set-global-variables)
10656 (let* ((header (gnus-summary-article-header))
10658 ;; If we try to find the parent of the currently
10659 ;; displayed article, then we take a look at the actual
10660 ;; References header, since this is slightly more
10661 ;; reliable than the References field we got from the
10663 (if (and (eq (mail-header-number header)
10664 (cdr gnus-article-current))
10665 (equal gnus-newsgroup-name
10666 (car gnus-article-current)))
10668 (set-buffer gnus-original-article-buffer)
10669 (nnheader-narrow-to-headers)
10671 (mail-fetch-field "references")
10673 ;; It's not the current article, so we take a bet on
10674 ;; the value we got from the server.
10675 (mail-header-references header))))
10676 (if (setq ref (or ref (mail-header-references header)))
10677 (or (gnus-summary-refer-article (gnus-parent-id ref))
10678 (gnus-message 1 "Couldn't find parent"))
10679 (gnus-message 1 "No references in article %d"
10680 (gnus-summary-article-number))
10683 (gnus-summary-position-point)
10686 (defun gnus-summary-refer-references ()
10687 "Fetch all articles mentioned in the References header.
10688 Return how many articles were fetched."
10690 (gnus-set-global-variables)
10691 (let ((ref (mail-header-references (gnus-summary-article-header)))
10692 (current (gnus-summary-article-number))
10694 ;; For each Message-ID in the References header...
10695 (while (string-match "<[^>]*>" ref)
10697 ;; ... fetch that article.
10698 (gnus-summary-refer-article
10699 (prog1 (match-string 0 ref)
10700 (setq ref (substring ref (match-end 0))))))
10701 (gnus-summary-goto-subject current)
10702 (gnus-summary-position-point)
10705 (defun gnus-summary-refer-article (message-id)
10706 "Fetch an article specified by MESSAGE-ID."
10707 (interactive "sMessage-ID: ")
10708 (when (and (stringp message-id)
10709 (not (zerop (length message-id))))
10710 ;; Construct the correct Message-ID if necessary.
10711 ;; Suggested by tale@pawl.rpi.edu.
10712 (unless (string-match "^<" message-id)
10713 (setq message-id (concat "<" message-id)))
10714 (unless (string-match ">$" message-id)
10715 (setq message-id (concat message-id ">")))
10716 (let ((header (car (gnus-gethash (downcase message-id)
10717 gnus-newsgroup-dependencies))))
10719 ;; The article is present in the buffer, to we just go to it.
10720 (gnus-summary-goto-article (mail-header-number header) nil t)
10721 ;; We fetch the article
10722 (let ((gnus-override-method gnus-refer-article-method)
10724 ;; Start the special refer-article method, if necessary.
10725 (when gnus-refer-article-method
10726 (gnus-check-server gnus-refer-article-method))
10727 ;; Fetch the header, and display the article.
10728 (if (setq number (gnus-summary-insert-subject message-id))
10729 (gnus-summary-select-article nil nil nil number)
10730 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
10732 (defun gnus-summary-enter-digest-group (&optional force)
10733 "Enter a digest group based on the current article."
10735 (gnus-set-global-variables)
10736 (gnus-summary-select-article)
10737 (let ((name (format "%s-%d"
10738 (gnus-group-prefixed-name
10739 gnus-newsgroup-name (list 'nndoc ""))
10740 gnus-current-article))
10741 (ogroup gnus-newsgroup-name)
10742 (case-fold-search t)
10743 (buf (current-buffer))
10746 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
10747 (insert-buffer-substring gnus-original-article-buffer)
10749 (goto-char (point-min))
10750 (or (search-forward "\n\n" nil t) (point)))
10751 (goto-char (point-min))
10752 (delete-matching-lines "^\\(Path\\):\\|^From ")
10755 (if (gnus-group-read-ephemeral-group
10756 name `(nndoc ,name (nndoc-address
10758 (nndoc-article-type ,(if force 'digest 'guess))) t)
10759 ;; Make all postings to this group go to the parent group.
10760 (nconc (gnus-info-params (gnus-get-info name))
10761 (list (cons 'to-group ogroup)))
10762 ;; Couldn't select this doc group.
10763 (switch-to-buffer buf)
10764 (gnus-set-global-variables)
10765 (gnus-configure-windows 'summary)
10766 (gnus-message 3 "Article couldn't be entered?"))
10767 (kill-buffer dig))))
10769 (defun gnus-summary-isearch-article (&optional regexp-p)
10770 "Do incremental search forward on the current article.
10771 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
10773 (gnus-set-global-variables)
10774 (gnus-summary-select-article)
10775 (gnus-configure-windows 'article)
10776 (gnus-eval-in-buffer-window
10777 gnus-article-buffer
10778 (goto-char (point-min))
10779 (isearch-forward regexp-p)))
10781 (defun gnus-summary-search-article-forward (regexp &optional backward)
10782 "Search for an article containing REGEXP forward.
10783 If BACKWARD, search backward instead."
10786 (format "Search article %s (regexp%s): "
10787 (if current-prefix-arg "backward" "forward")
10788 (if gnus-last-search-regexp
10789 (concat ", default " gnus-last-search-regexp)
10791 current-prefix-arg))
10792 (gnus-set-global-variables)
10793 (if (string-equal regexp "")
10794 (setq regexp (or gnus-last-search-regexp ""))
10795 (setq gnus-last-search-regexp regexp))
10796 (if (gnus-summary-search-article regexp backward)
10797 (gnus-article-set-window-start
10798 (cdr (assq (gnus-summary-article-number) gnus-newsgroup-bookmarks)))
10799 (error "Search failed: \"%s\"" regexp)))
10801 (defun gnus-summary-search-article-backward (regexp)
10802 "Search for an article containing REGEXP backward."
10805 (format "Search article backward (regexp%s): "
10806 (if gnus-last-search-regexp
10807 (concat ", default " gnus-last-search-regexp)
10809 (gnus-summary-search-article-forward regexp 'backward))
10811 (defun gnus-summary-search-article (regexp &optional backward)
10812 "Search for an article containing REGEXP.
10813 Optional argument BACKWARD means do search for backward.
10814 gnus-select-article-hook is not called during the search."
10815 (let ((gnus-select-article-hook nil) ;Disable hook.
10816 (gnus-mark-article-hook nil) ;Inhibit marking as read.
10819 (function re-search-backward) (function re-search-forward)))
10822 ;; Hidden thread subtrees must be searched for ,too.
10823 (gnus-summary-show-all-threads)
10824 ;; First of all, search current article.
10825 ;; We don't want to read article again from NNTP server nor reset
10827 (gnus-summary-select-article)
10828 (gnus-message 9 "Searching article: %d..." gnus-current-article)
10829 (setq last gnus-current-article)
10830 (gnus-eval-in-buffer-window
10831 gnus-article-buffer
10834 ;; Begin search from current point.
10835 (setq found (funcall re-search regexp nil t))))
10836 ;; Then search next articles.
10837 (while (and (not found)
10838 (gnus-summary-display-article
10839 (if backward (gnus-summary-find-prev)
10840 (gnus-summary-find-next))))
10841 (gnus-message 9 "Searching article: %d..." gnus-current-article)
10842 (gnus-eval-in-buffer-window
10843 gnus-article-buffer
10846 (goto-char (if backward (point-max) (point-min)))
10847 (setq found (funcall re-search regexp nil t)))))
10849 ;; Adjust article pointer.
10850 (or (eq last gnus-current-article)
10851 (setq gnus-last-article last))
10852 ;; Return T if found such article.
10855 (defun gnus-summary-find-matching (header regexp &optional backward unread
10857 "Return a list of all articles that match REGEXP on HEADER.
10858 The search stars on the current article and goes forwards unless
10859 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
10860 If UNREAD is non-nil, only unread articles will
10861 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
10862 in the comparisons."
10863 (let ((data (if (eq backward 'all) gnus-newsgroup-data
10864 (gnus-data-find-list
10865 (gnus-summary-article-number) (gnus-data-list backward))))
10866 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
10867 (case-fold-search (not not-case-fold))
10869 (or (fboundp (intern (concat "mail-header-" header)))
10870 (error "%s is not a valid header" header))
10872 (setq d (car data))
10873 (and (or (not unread) ; We want all articles...
10874 (gnus-data-unread-p d)) ; Or just unreads.
10875 (vectorp (gnus-data-header d)) ; It's not a pseudo.
10876 (string-match regexp (funcall func (gnus-data-header d))) ; Match.
10877 (setq articles (cons (gnus-data-number d) articles))) ; Success!
10878 (setq data (cdr data)))
10879 (nreverse articles)))
10881 (defun gnus-summary-execute-command (header regexp command &optional backward)
10882 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
10883 If HEADER is an empty string (or nil), the match is done on the entire
10884 article. If BACKWARD (the prefix) is non-nil, search backward instead."
10886 (list (let ((completion-ignore-case t))
10889 (mapcar (lambda (string) (list string))
10890 '("Number" "Subject" "From" "Lines" "Date"
10891 "Message-ID" "Xref" "References" "Body"))
10892 nil 'require-match))
10893 (read-string "Regexp: ")
10894 (read-key-sequence "Command: ")
10895 current-prefix-arg))
10896 (when (equal header "Body")
10898 (gnus-set-global-variables)
10899 ;; Hidden thread subtrees must be searched as well.
10900 (gnus-summary-show-all-threads)
10901 ;; We don't want to change current point nor window configuration.
10903 (save-window-excursion
10904 (gnus-message 6 "Executing %s..." (key-description command))
10905 ;; We'd like to execute COMMAND interactively so as to give arguments.
10906 (gnus-execute header regexp
10907 `(lambda () (call-interactively ',(key-binding command)))
10909 (gnus-message 6 "Executing %s...done" (key-description command)))))
10911 (defun gnus-summary-beginning-of-article ()
10912 "Scroll the article back to the beginning."
10914 (gnus-set-global-variables)
10915 (gnus-summary-select-article)
10916 (gnus-configure-windows 'article)
10917 (gnus-eval-in-buffer-window
10918 gnus-article-buffer
10920 (goto-char (point-min))
10921 (and gnus-break-pages (gnus-narrow-to-page))))
10923 (defun gnus-summary-end-of-article ()
10924 "Scroll to the end of the article."
10926 (gnus-set-global-variables)
10927 (gnus-summary-select-article)
10928 (gnus-configure-windows 'article)
10929 (gnus-eval-in-buffer-window
10930 gnus-article-buffer
10932 (goto-char (point-max))
10934 (and gnus-break-pages (gnus-narrow-to-page))))
10936 (defun gnus-summary-show-article (&optional arg)
10937 "Force re-fetching of the current article.
10938 If ARG (the prefix) is non-nil, show the raw article without any
10939 article massaging functions being run."
10941 (gnus-set-global-variables)
10943 ;; Select the article the normal way.
10944 (gnus-summary-select-article nil 'force)
10945 ;; Bind the article treatment functions to nil.
10946 (let ((gnus-have-all-headers t)
10947 gnus-article-display-hook
10948 gnus-article-prepare-hook
10950 (gnus-summary-select-article nil 'force)))
10951 ; (gnus-configure-windows 'article)
10952 (gnus-summary-position-point))
10954 (defun gnus-summary-verbose-headers (&optional arg)
10955 "Toggle permanent full header display.
10956 If ARG is a positive number, turn header display on.
10957 If ARG is a negative number, turn header display off."
10959 (gnus-set-global-variables)
10960 (gnus-summary-toggle-header arg)
10961 (setq gnus-show-all-headers
10962 (cond ((or (not (numberp arg))
10964 (not gnus-show-all-headers))
10968 (defun gnus-summary-toggle-header (&optional arg)
10969 "Show the headers if they are hidden, or hide them if they are shown.
10970 If ARG is a positive number, show the entire header.
10971 If ARG is a negative number, hide the unwanted header lines."
10973 (gnus-set-global-variables)
10975 (set-buffer gnus-article-buffer)
10976 (let* ((buffer-read-only nil)
10977 (inhibit-point-motion-hooks t)
10978 (hidden (text-property-any
10979 (goto-char (point-min)) (search-forward "\n\n")
10982 (goto-char (point-min))
10983 (when (search-forward "\n\n" nil t)
10984 (delete-region (point-min) (1- (point))))
10985 (goto-char (point-min))
10987 (set-buffer gnus-original-article-buffer)
10988 (goto-char (point-min))
10989 (setq e (1- (or (search-forward "\n\n" nil t) (point-max)))))
10990 (insert-buffer-substring gnus-original-article-buffer 1 e)
10991 (let ((gnus-inhibit-hiding t))
10992 (run-hooks 'gnus-article-display-hook))
10993 (if (or (not hidden) (and (numberp arg) (< arg 0)))
10994 (gnus-article-hide-headers)))))
10996 (defun gnus-summary-show-all-headers ()
10997 "Make all header lines visible."
10999 (gnus-set-global-variables)
11000 (gnus-article-show-all-headers))
11002 (defun gnus-summary-toggle-mime (&optional arg)
11003 "Toggle MIME processing.
11004 If ARG is a positive number, turn MIME processing on."
11006 (gnus-set-global-variables)
11007 (setq gnus-show-mime
11008 (if (null arg) (not gnus-show-mime)
11009 (> (prefix-numeric-value arg) 0)))
11010 (gnus-summary-select-article t 'force))
11012 (defun gnus-summary-caesar-message (&optional arg)
11013 "Caesar rotate the current article by 13.
11014 The numerical prefix specifies how manu places to rotate each letter
11017 (gnus-set-global-variables)
11018 (gnus-summary-select-article)
11019 (let ((mail-header-separator ""))
11020 (gnus-eval-in-buffer-window
11021 gnus-article-buffer
11024 (let ((start (window-start)))
11025 (news-caesar-buffer-body arg)
11026 (set-window-start (get-buffer-window (current-buffer)) start))))))
11028 (defun gnus-summary-stop-page-breaking ()
11029 "Stop page breaking in the current article."
11031 (gnus-set-global-variables)
11032 (gnus-summary-select-article)
11033 (gnus-eval-in-buffer-window gnus-article-buffer (widen)))
11035 (defun gnus-summary-move-article (&optional n to-newsgroup select-method action)
11036 "Move the current article to a different newsgroup.
11037 If N is a positive number, move the N next articles.
11038 If N is a negative number, move the N previous articles.
11039 If N is nil and any articles have been marked with the process mark,
11040 move those articles instead.
11041 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
11042 If SELECT-METHOD is symbol, do not move to a specific newsgroup, but
11043 re-spool using this method.
11045 For this function to work, both the current newsgroup and the
11046 newsgroup that you want to move to have to support the `request-move'
11047 and `request-accept' functions."
11049 (unless action (setq action 'move))
11050 (gnus-set-global-variables)
11051 ;; Check whether the source group supports the required functions.
11052 (cond ((and (eq action 'move)
11053 (not (gnus-check-backend-function
11054 'request-move-article gnus-newsgroup-name)))
11055 (error "The current group does not support article moving"))
11056 ((and (eq action 'crosspost)
11057 (not (gnus-check-backend-function
11058 'request-replace-article gnus-newsgroup-name)))
11059 (error "The current group does not support article editing")))
11060 (let ((articles (gnus-summary-work-articles n))
11061 (prefix (gnus-group-real-prefix gnus-newsgroup-name))
11062 (names '((move "move" "Moving")
11063 (copy "copy" "Copying")
11064 (crosspost "crosspost" "Crossposting")))
11065 (copy-buf (save-excursion
11066 (nnheader-set-temp-buffer " *copy article*")))
11067 art-group to-method new-xref article)
11068 (unless (assq action names)
11069 (error "Unknown action %s" action))
11070 ;; Read the newsgroup name.
11071 (when (and (not to-newsgroup)
11072 (not select-method))
11074 (gnus-read-move-group-name
11075 (cadr (assq action names))
11076 gnus-current-move-group articles prefix))
11077 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
11078 (setq to-method (if select-method (list select-method "")
11079 (gnus-find-method-for-group to-newsgroup)))
11080 ;;(when (equal to-newsgroup gnus-newsgroup-name)
11081 ;;(error "Can't %s to the same group you're already in" action))
11082 ;; Check the method we are to move this article to...
11083 (or (gnus-check-backend-function 'request-accept-article (car to-method))
11084 (error "%s does not support article copying" (car to-method)))
11085 (or (gnus-check-server to-method)
11086 (error "Can't open server %s" (car to-method)))
11087 (gnus-message 6 "%s to %s: %s..."
11088 (caddr (assq action names))
11089 (or select-method to-newsgroup) articles)
11091 (setq article (pop articles))
11095 ;; Move the article.
11097 (gnus-request-move-article
11098 article ; Article to move
11099 gnus-newsgroup-name ; From newsgrouo
11100 (nth 1 (gnus-find-method-for-group
11101 gnus-newsgroup-name)) ; Server
11102 (list 'gnus-request-accept-article
11104 (list 'quote select-method)
11106 (not articles)) ; Accept form
11107 (not articles))) ; Only save nov last time
11108 ;; Copy the article.
11111 (set-buffer copy-buf)
11112 (gnus-request-article-this-buffer article gnus-newsgroup-name)
11113 (gnus-request-accept-article
11114 (if select-method select-method to-newsgroup)
11116 ;; Crosspost the article.
11117 ((eq action 'crosspost)
11118 (let ((xref (mail-header-xref (gnus-summary-article-header article))))
11119 (setq new-xref (concat gnus-newsgroup-name ":" article))
11120 (if (and xref (not (string= xref "")))
11122 (when (string-match "^Xref: " xref)
11123 (setq xref (substring xref (match-end 0))))
11124 (setq new-xref (concat xref " " new-xref)))
11125 (setq new-xref (concat (system-name) " " new-xref)))
11127 (set-buffer copy-buf)
11128 (gnus-request-article-this-buffer article gnus-newsgroup-name)
11129 (nnheader-replace-header "xref" new-xref)
11130 (gnus-request-accept-article
11131 (if select-method select-method to-newsgroup)
11132 (not articles)))))))
11133 (if (not art-group)
11134 (gnus-message 1 "Couldn't %s article %s"
11135 (cadr (assq action names)) article)
11138 (gnus-gethash (car art-group) gnus-newsrc-hashtb)
11140 (gnus-group-prefixed-name
11142 (if select-method (list select-method "")
11143 (gnus-find-method-for-group to-newsgroup)))
11144 gnus-newsrc-hashtb)))
11145 (info (nth 2 entry)))
11146 ;; Update the group that has been moved to.
11148 (memq action '(move copy)))
11149 (unless (memq article gnus-newsgroup-unreads)
11150 (gnus-info-set-read
11151 info (gnus-add-to-range (gnus-info-read info)
11152 (list (cdr art-group)))))
11154 ;; Copy any marks over to the new group.
11155 (let ((marks gnus-article-mark-lists)
11156 (to-article (cdr art-group)))
11158 ;; See whether the article is to be put in the cache.
11159 (when gnus-use-cache
11160 (gnus-cache-possibly-enter-article
11161 (gnus-info-group info) to-article
11162 (let ((header (copy-sequence
11163 (gnus-summary-article-header article))))
11164 (mail-header-set-number header to-article)
11166 (memq article gnus-newsgroup-marked)
11167 (memq article gnus-newsgroup-dormant)
11168 (memq article gnus-newsgroup-unreads)))
11171 (when (memq article (symbol-value
11172 (intern (format "gnus-newsgroup-%s"
11174 (gnus-add-marked-articles
11175 (gnus-info-group info) (cdar marks)
11176 (list to-article) info))
11177 (setq marks (cdr marks)))))
11179 ;; Update the Xref header in this article to point to
11180 ;; the new crossposted article we have just created.
11181 (when (eq action 'crosspost)
11183 (set-buffer copy-buf)
11184 (gnus-request-article-this-buffer article gnus-newsgroup-name)
11185 (nnheader-replace-header
11186 "xref" (concat new-xref " " (gnus-group-prefixed-name
11187 (car art-group) to-method)
11188 ":" (cdr art-group)))
11189 (gnus-request-replace-article
11190 article gnus-newsgroup-name (current-buffer)))))
11192 (gnus-summary-goto-subject article)
11193 (when (eq action 'move)
11194 (gnus-summary-mark-article article gnus-canceled-mark)))
11195 (gnus-summary-remove-process-mark article))
11196 (gnus-kill-buffer copy-buf)
11197 (gnus-summary-position-point)
11198 (gnus-set-mode-line 'summary)))
11200 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
11201 "Move the current article to a different newsgroup.
11202 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
11203 If SELECT-METHOD is symbol, do not move to a specific newsgroup, but
11204 re-spool using this method."
11206 (gnus-summary-move-article n nil nil 'copy))
11208 (defun gnus-summary-crosspost-article (&optional n)
11209 "Crosspost the current article to some other group."
11211 (gnus-summary-move-article n nil nil 'crosspost))
11213 (defun gnus-summary-respool-article (&optional n respool-method)
11214 "Respool the current article.
11215 The article will be squeezed through the mail spooling process again,
11216 which means that it will be put in some mail newsgroup or other
11217 depending on `nnmail-split-methods'.
11218 If N is a positive number, respool the N next articles.
11219 If N is a negative number, respool the N previous articles.
11220 If N is nil and any articles have been marked with the process mark,
11221 respool those articles instead.
11223 Respooling can be done both from mail groups and \"real\" newsgroups.
11224 In the former case, the articles in question will be moved from the
11225 current group into whatever groups they are destined to. In the
11226 latter case, they will be copied into the relevant groups."
11228 (gnus-set-global-variables)
11229 (let ((respool-methods (gnus-methods-using 'respool))
11231 (symbol-name (car (gnus-find-method-for-group gnus-newsgroup-name)))))
11233 (setq respool-method
11235 "What method do you want to use when respooling? "
11236 respool-methods nil t methname)))
11237 (or (string= respool-method "")
11238 (if (assoc (symbol-name
11239 (car (gnus-find-method-for-group gnus-newsgroup-name)))
11241 (gnus-summary-move-article n nil (intern respool-method))
11242 (gnus-summary-copy-article n nil (intern respool-method))))))
11244 (defun gnus-summary-import-article (file)
11245 "Import a random file into a mail newsgroup."
11246 (interactive "fImport file: ")
11247 (gnus-set-global-variables)
11248 (let ((group gnus-newsgroup-name)
11249 (now (current-time))
11251 (or (gnus-check-backend-function 'request-accept-article group)
11252 (error "%s does not support article importing" group))
11253 (or (file-readable-p file)
11254 (not (file-regular-p file))
11255 (error "Can't read %s" file))
11257 (set-buffer (get-buffer-create " *import file*"))
11258 (buffer-disable-undo (current-buffer))
11260 (insert-file-contents file)
11261 (goto-char (point-min))
11262 (unless (nnheader-article-p)
11263 ;; This doesn't look like an article, so we fudge some headers.
11264 (setq atts (file-attributes file)
11265 lines (count-lines (point-min) (point-max)))
11266 (insert "From: " (read-string "From: ") "\n"
11267 "Subject: " (read-string "Subject: ") "\n"
11268 "Date: " (timezone-make-date-arpa-standard
11269 (current-time-string (nth 5 atts))
11270 (current-time-zone now)
11271 (current-time-zone now)) "\n"
11272 "Message-ID: " (gnus-inews-message-id) "\n"
11273 "Lines: " (int-to-string lines) "\n"
11274 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
11275 (gnus-request-accept-article group t)
11276 (kill-buffer (current-buffer)))))
11278 (defun gnus-summary-expire-articles ()
11279 "Expire all articles that are marked as expirable in the current group."
11281 (gnus-set-global-variables)
11282 (when (gnus-check-backend-function
11283 'request-expire-articles gnus-newsgroup-name)
11284 ;; This backend supports expiry.
11285 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
11286 (expirable (if total
11287 (gnus-list-of-read-articles gnus-newsgroup-name)
11288 (setq gnus-newsgroup-expirable
11289 (sort gnus-newsgroup-expirable '<))))
11290 (expiry-wait (gnus-group-get-parameter
11291 gnus-newsgroup-name 'expiry-wait))
11294 ;; There are expirable articles in this group, so we run them
11295 ;; through the expiry process.
11296 (gnus-message 6 "Expiring articles...")
11297 ;; The list of articles that weren't expired is returned.
11299 (let ((nnmail-expiry-wait-function nil)
11300 (nnmail-expiry-wait expiry-wait))
11301 (setq es (gnus-request-expire-articles
11302 expirable gnus-newsgroup-name)))
11303 (setq es (gnus-request-expire-articles
11304 expirable gnus-newsgroup-name)))
11305 (or total (setq gnus-newsgroup-expirable es))
11306 ;; We go through the old list of expirable, and mark all
11307 ;; really expired articles as nonexistent.
11308 (unless (eq es expirable) ;If nothing was expired, we don't mark.
11309 (let ((gnus-use-cache nil))
11311 (unless (memq (car expirable) es)
11312 (when (gnus-data-find (car expirable))
11313 (gnus-summary-mark-article
11314 (car expirable) gnus-canceled-mark)))
11315 (setq expirable (cdr expirable)))))
11316 (gnus-message 6 "Expiring articles...done")))))
11318 (defun gnus-summary-expire-articles-now ()
11319 "Expunge all expirable articles in the current group.
11320 This means that *all* articles that are marked as expirable will be
11321 deleted forever, right now."
11323 (gnus-set-global-variables)
11324 (or gnus-expert-user
11326 "Are you really, really, really sure you want to expunge? ")
11328 (let ((nnmail-expiry-wait 'immediate)
11329 (nnmail-expiry-wait-function nil))
11330 (gnus-summary-expire-articles)))
11332 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
11333 (defun gnus-summary-delete-article (&optional n)
11334 "Delete the N next (mail) articles.
11335 This command actually deletes articles. This is not a marking
11336 command. The article will disappear forever from your life, never to
11338 If N is negative, delete backwards.
11339 If N is nil and articles have been marked with the process mark,
11340 delete these instead."
11342 (gnus-set-global-variables)
11343 (or (gnus-check-backend-function 'request-expire-articles
11344 gnus-newsgroup-name)
11345 (error "The current newsgroup does not support article deletion."))
11346 ;; Compute the list of articles to delete.
11347 (let ((articles (gnus-summary-work-articles n))
11349 (if (and gnus-novice-user
11350 (not (gnus-y-or-n-p
11351 (format "Do you really want to delete %s forever? "
11352 (if (> (length articles) 1) "these articles"
11353 "this article")))))
11355 ;; Delete the articles.
11356 (setq not-deleted (gnus-request-expire-articles
11357 articles gnus-newsgroup-name 'force))
11359 (gnus-summary-remove-process-mark (car articles))
11360 ;; The backend might not have been able to delete the article
11362 (or (memq (car articles) not-deleted)
11363 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
11364 (setq articles (cdr articles))))
11365 (gnus-summary-position-point)
11366 (gnus-set-mode-line 'summary)
11369 (defun gnus-summary-edit-article (&optional force)
11370 "Enter into a buffer and edit the current article.
11371 This will have permanent effect only in mail groups.
11372 If FORCE is non-nil, allow editing of articles even in read-only
11376 (set-buffer gnus-summary-buffer)
11377 (gnus-set-global-variables)
11378 (when (and (not force)
11379 (gnus-group-read-only-p))
11380 (error "The current newsgroup does not support article editing."))
11381 (gnus-summary-select-article t nil t)
11382 (gnus-configure-windows 'article)
11383 (select-window (get-buffer-window gnus-article-buffer))
11384 (gnus-message 6 "C-c C-c to end edits")
11385 (setq buffer-read-only nil)
11387 (use-local-map (copy-keymap (current-local-map)))
11388 (local-set-key "\C-c\C-c" 'gnus-summary-edit-article-done)
11389 (buffer-enable-undo)
11391 (goto-char (point-min))
11392 (search-forward "\n\n" nil t)))
11394 (defun gnus-summary-edit-article-done ()
11395 "Make edits to the current article permanent."
11397 (if (gnus-group-read-only-p)
11399 (gnus-summary-edit-article-postpone)
11401 1 "The current newsgroup does not support article editing.")
11403 (let ((buf (buffer-substring-no-properties (point-min) (point-max))))
11406 (if (not (gnus-request-replace-article
11407 (cdr gnus-article-current) (car gnus-article-current)
11409 (error "Couldn't replace article.")
11410 (gnus-article-mode)
11411 (use-local-map gnus-article-mode-map)
11412 (setq buffer-read-only t)
11413 (buffer-disable-undo (current-buffer))
11414 (gnus-configure-windows 'summary)
11415 (gnus-summary-update-article (cdr gnus-article-current)))
11416 (run-hooks 'gnus-article-display-hook)
11417 (and (gnus-visual-p 'summary-highlight 'highlight)
11418 (run-hooks 'gnus-visual-mark-article-hook)))))
11420 (defun gnus-summary-edit-article-postpone ()
11421 "Postpone changes to the current article."
11423 (gnus-article-mode)
11424 (use-local-map gnus-article-mode-map)
11425 (setq buffer-read-only t)
11426 (buffer-disable-undo (current-buffer))
11427 (gnus-configure-windows 'summary)
11428 (and (gnus-visual-p 'summary-highlight 'highlight)
11429 (run-hooks 'gnus-visual-mark-article-hook)))
11431 (defun gnus-summary-respool-query ()
11432 "Query where the respool algorithm would put this article."
11434 (gnus-set-global-variables)
11435 (gnus-summary-select-article)
11437 (set-buffer gnus-article-buffer)
11439 (goto-char (point-min))
11440 (search-forward "\n\n")
11441 (narrow-to-region (point-min) (point))
11442 (pp-eval-expression
11443 (list 'quote (mapcar 'car (nnmail-article-group 'identity)))))))
11445 ;; Summary score commands.
11447 ;; Suggested by boubaker@cenatls.cena.dgac.fr.
11449 (defun gnus-summary-raise-score (n)
11450 "Raise the score of the current article by N."
11452 (gnus-set-global-variables)
11453 (gnus-summary-set-score (+ (gnus-summary-article-score) n)))
11455 (defun gnus-summary-set-score (n)
11456 "Set the score of the current article to N."
11458 (gnus-set-global-variables)
11460 (gnus-summary-show-thread)
11461 (let ((buffer-read-only nil))
11463 (gnus-summary-update-mark
11464 (if (= n (or gnus-summary-default-score 0)) ?
11465 (if (< n (or gnus-summary-default-score 0))
11466 gnus-score-below-mark gnus-score-over-mark)) 'score))
11467 (let* ((article (gnus-summary-article-number))
11468 (score (assq article gnus-newsgroup-scored)))
11469 (if score (setcdr score n)
11470 (setq gnus-newsgroup-scored
11471 (cons (cons article n) gnus-newsgroup-scored))))
11472 (gnus-summary-update-line)))
11474 (defun gnus-summary-current-score ()
11475 "Return the score of the current article."
11477 (gnus-set-global-variables)
11478 (message "%s" (gnus-summary-article-score)))
11480 ;; Summary marking commands.
11482 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
11483 "Mark articles which has the same subject as read, and then select the next.
11484 If UNMARK is positive, remove any kind of mark.
11485 If UNMARK is negative, tick articles."
11487 (gnus-set-global-variables)
11489 (setq unmark (prefix-numeric-value unmark)))
11491 (gnus-summary-mark-same-subject
11492 (gnus-summary-article-subject) unmark)))
11493 ;; Select next unread article. If auto-select-same mode, should
11494 ;; select the first unread article.
11495 (gnus-summary-next-article t (and gnus-auto-select-same
11496 (gnus-summary-article-subject)))
11497 (gnus-message 7 "%d article%s marked as %s"
11498 count (if (= count 1) " is" "s are")
11499 (if unmark "unread" "read"))))
11501 (defun gnus-summary-kill-same-subject (&optional unmark)
11502 "Mark articles which has the same subject as read.
11503 If UNMARK is positive, remove any kind of mark.
11504 If UNMARK is negative, tick articles."
11506 (gnus-set-global-variables)
11508 (setq unmark (prefix-numeric-value unmark)))
11510 (gnus-summary-mark-same-subject
11511 (gnus-summary-article-subject) unmark)))
11512 ;; If marked as read, go to next unread subject.
11514 ;; Go to next unread subject.
11515 (gnus-summary-next-subject 1 t))
11516 (gnus-message 7 "%d articles are marked as %s"
11517 count (if unmark "unread" "read"))))
11519 (defun gnus-summary-mark-same-subject (subject &optional unmark)
11520 "Mark articles with same SUBJECT as read, and return marked number.
11521 If optional argument UNMARK is positive, remove any kinds of marks.
11522 If optional argument UNMARK is negative, mark articles as unread instead."
11526 ((null unmark) ; Mark as read.
11529 (gnus-summary-mark-article-as-read gnus-killed-mark)
11530 (gnus-summary-show-thread) t)
11531 (gnus-summary-find-subject subject))
11532 (setq count (1+ count))))
11533 ((> unmark 0) ; Tick.
11536 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
11537 (gnus-summary-show-thread) t)
11538 (gnus-summary-find-subject subject))
11539 (setq count (1+ count))))
11540 (t ; Mark as unread.
11543 (gnus-summary-mark-article-as-unread gnus-unread-mark)
11544 (gnus-summary-show-thread) t)
11545 (gnus-summary-find-subject subject))
11546 (setq count (1+ count)))))
11547 (gnus-set-mode-line 'summary)
11548 ;; Return the number of marked articles.
11551 (defun gnus-summary-mark-as-processable (n &optional unmark)
11552 "Set the process mark on the next N articles.
11553 If N is negative, mark backward instead. If UNMARK is non-nil, remove
11554 the process mark instead. The difference between N and the actual
11555 number of articles marked is returned."
11557 (gnus-set-global-variables)
11558 (let ((backward (< n 0))
11563 (gnus-summary-remove-process-mark
11564 (gnus-summary-article-number))
11565 (gnus-summary-set-process-mark (gnus-summary-article-number)))
11566 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
11568 (if (/= 0 n) (gnus-message 7 "No more articles"))
11569 (gnus-summary-recenter)
11570 (gnus-summary-position-point)
11573 (defun gnus-summary-unmark-as-processable (n)
11574 "Remove the process mark from the next N articles.
11575 If N is negative, mark backward instead. The difference between N and
11576 the actual number of articles marked is returned."
11578 (gnus-set-global-variables)
11579 (gnus-summary-mark-as-processable n t))
11581 (defun gnus-summary-unmark-all-processable ()
11582 "Remove the process mark from all articles."
11584 (gnus-set-global-variables)
11586 (while gnus-newsgroup-processable
11587 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
11588 (gnus-summary-position-point))
11590 (defun gnus-summary-mark-as-expirable (n)
11591 "Mark N articles forward as expirable.
11592 If N is negative, mark backward instead. The difference between N and
11593 the actual number of articles marked is returned."
11595 (gnus-set-global-variables)
11596 (gnus-summary-mark-forward n gnus-expirable-mark))
11598 (defun gnus-summary-mark-article-as-replied (article)
11599 "Mark ARTICLE replied and update the summary line."
11600 (setq gnus-newsgroup-replied (cons article gnus-newsgroup-replied))
11601 (let ((buffer-read-only nil))
11602 (when (gnus-summary-goto-subject article)
11603 (gnus-summary-update-secondary-mark article))))
11605 (defun gnus-summary-set-bookmark (article)
11606 "Set a bookmark in current article."
11607 (interactive (list (gnus-summary-article-number)))
11608 (gnus-set-global-variables)
11609 (if (or (not (get-buffer gnus-article-buffer))
11610 (not gnus-current-article)
11611 (not gnus-article-current)
11612 (not (equal gnus-newsgroup-name (car gnus-article-current))))
11613 (error "No current article selected"))
11614 ;; Remove old bookmark, if one exists.
11615 (let ((old (assq article gnus-newsgroup-bookmarks)))
11616 (if old (setq gnus-newsgroup-bookmarks
11617 (delq old gnus-newsgroup-bookmarks))))
11618 ;; Set the new bookmark, which is on the form
11619 ;; (article-number . line-number-in-body).
11620 (setq gnus-newsgroup-bookmarks
11624 (set-buffer gnus-article-buffer)
11628 (goto-char (point-min))
11629 (search-forward "\n\n" nil t)
11632 gnus-newsgroup-bookmarks))
11633 (gnus-message 6 "A bookmark has been added to the current article."))
11635 (defun gnus-summary-remove-bookmark (article)
11636 "Remove the bookmark from the current article."
11637 (interactive (list (gnus-summary-article-number)))
11638 (gnus-set-global-variables)
11639 ;; Remove old bookmark, if one exists.
11640 (let ((old (assq article gnus-newsgroup-bookmarks)))
11643 (setq gnus-newsgroup-bookmarks
11644 (delq old gnus-newsgroup-bookmarks))
11645 (gnus-message 6 "Removed bookmark."))
11646 (gnus-message 6 "No bookmark in current article."))))
11648 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
11649 (defun gnus-summary-mark-as-dormant (n)
11650 "Mark N articles forward as dormant.
11651 If N is negative, mark backward instead. The difference between N and
11652 the actual number of articles marked is returned."
11654 (gnus-set-global-variables)
11655 (gnus-summary-mark-forward n gnus-dormant-mark))
11657 (defun gnus-summary-set-process-mark (article)
11658 "Set the process mark on ARTICLE and update the summary line."
11659 (setq gnus-newsgroup-processable
11661 (delq article gnus-newsgroup-processable)))
11662 (when (gnus-summary-goto-subject article)
11663 (gnus-summary-show-thread)
11664 (gnus-summary-update-secondary-mark article)))
11666 (defun gnus-summary-remove-process-mark (article)
11667 "Remove the process mark from ARTICLE and update the summary line."
11668 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
11669 (when (gnus-summary-goto-subject article)
11670 (gnus-summary-show-thread)
11671 (gnus-summary-update-secondary-mark article)))
11673 (defun gnus-summary-set-saved-mark (article)
11674 "Set the process mark on ARTICLE and update the summary line."
11675 (push article gnus-newsgroup-saved)
11676 (when (gnus-summary-goto-subject article)
11677 (gnus-summary-update-secondary-mark article)))
11679 (defun gnus-summary-mark-forward (n &optional mark no-expire)
11680 "Mark N articles as read forwards.
11681 If N is negative, mark backwards instead.
11682 Mark with MARK. If MARK is ? , ?! or ??, articles will be
11684 The difference between N and the actual number of articles marked is
11687 (gnus-set-global-variables)
11688 (let ((backward (< n 0))
11689 (gnus-summary-goto-unread
11690 (and gnus-summary-goto-unread
11691 (not (eq gnus-summary-goto-unread 'never))
11692 (not (memq mark (list gnus-unread-mark
11693 gnus-ticked-mark gnus-dormant-mark)))))
11695 (mark (or mark gnus-del-mark)))
11696 (while (and (> n 0)
11697 (gnus-summary-mark-article nil mark no-expire)
11698 (zerop (gnus-summary-next-subject
11700 (and gnus-summary-goto-unread
11701 (not (eq gnus-summary-goto-unread 'never)))
11704 (if (/= 0 n) (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
11705 (gnus-summary-recenter)
11706 (gnus-summary-position-point)
11707 (gnus-set-mode-line 'summary)
11710 (defun gnus-summary-mark-article-as-read (mark)
11711 "Mark the current article quickly as read with MARK."
11712 (let ((article (gnus-summary-article-number)))
11713 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
11714 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
11715 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
11716 (setq gnus-newsgroup-reads
11717 (cons (cons article mark) gnus-newsgroup-reads))
11718 ;; Possibly remove from cache, if that is used.
11719 (and gnus-use-cache (gnus-cache-enter-remove-article article))
11720 ;; Allow the backend to change the mark.
11721 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
11722 ;; Check for auto-expiry.
11723 (when (and gnus-newsgroup-auto-expire
11724 (or (= mark gnus-killed-mark) (= mark gnus-del-mark)
11725 (= mark gnus-catchup-mark) (= mark gnus-low-score-mark)
11726 (= mark gnus-ancient-mark)
11727 (= mark gnus-read-mark) (= mark gnus-souped-mark)))
11728 (setq mark gnus-expirable-mark)
11729 (push article gnus-newsgroup-expirable))
11730 ;; Set the mark in the buffer.
11731 (gnus-summary-update-mark mark 'unread)
11734 (defun gnus-summary-mark-article-as-unread (mark)
11735 "Mark the current article quickly as unread with MARK."
11736 (let ((article (gnus-summary-article-number)))
11737 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
11738 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
11739 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
11740 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
11741 (cond ((= mark gnus-ticked-mark)
11742 (push article gnus-newsgroup-marked))
11743 ((= mark gnus-dormant-mark)
11744 (push article gnus-newsgroup-dormant))
11746 (push article gnus-newsgroup-unreads)))
11747 (setq gnus-newsgroup-reads
11748 (delq (assq article gnus-newsgroup-reads)
11749 gnus-newsgroup-reads))
11751 ;; See whether the article is to be put in the cache.
11752 (and gnus-use-cache
11753 (vectorp (gnus-summary-article-header article))
11755 (gnus-cache-possibly-enter-article
11756 gnus-newsgroup-name article
11757 (gnus-summary-article-header article)
11758 (= mark gnus-ticked-mark)
11759 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
11762 (gnus-summary-update-mark mark 'unread)
11765 (defun gnus-summary-mark-article (&optional article mark no-expire)
11766 "Mark ARTICLE with MARK. MARK can be any character.
11767 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
11768 `??' (dormant) and `?E' (expirable).
11769 If MARK is nil, then the default character `?D' is used.
11770 If ARTICLE is nil, then the article on the current line will be
11772 ;; The mark might be a string.
11773 (and (stringp mark)
11774 (setq mark (aref mark 0)))
11775 ;; If no mark is given, then we check auto-expiring.
11776 (and (not no-expire)
11777 gnus-newsgroup-auto-expire
11779 (and (numberp mark)
11780 (or (= mark gnus-killed-mark) (= mark gnus-del-mark)
11781 (= mark gnus-catchup-mark) (= mark gnus-low-score-mark)
11782 (= mark gnus-read-mark) (= mark gnus-souped-mark))))
11783 (setq mark gnus-expirable-mark))
11784 (let* ((mark (or mark gnus-del-mark))
11785 (article (or article (gnus-summary-article-number))))
11786 (or article (error "No article on current line"))
11787 (if (or (= mark gnus-unread-mark)
11788 (= mark gnus-ticked-mark)
11789 (= mark gnus-dormant-mark))
11790 (gnus-mark-article-as-unread article mark)
11791 (gnus-mark-article-as-read article mark))
11793 ;; See whether the article is to be put in the cache.
11794 (and gnus-use-cache
11795 (not (= mark gnus-canceled-mark))
11796 (vectorp (gnus-summary-article-header article))
11798 (gnus-cache-possibly-enter-article
11799 gnus-newsgroup-name article
11800 (gnus-summary-article-header article)
11801 (= mark gnus-ticked-mark)
11802 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
11804 (if (gnus-summary-goto-subject article nil t)
11805 (let ((buffer-read-only nil))
11806 (gnus-summary-show-thread)
11808 (gnus-summary-update-mark mark 'unread)
11811 (defun gnus-summary-update-secondary-mark (article)
11812 "Update the secondary (read, process, cache) mark."
11813 (gnus-summary-update-mark
11814 (cond ((memq article gnus-newsgroup-processable)
11816 ((memq article gnus-newsgroup-cached)
11818 ((memq article gnus-newsgroup-replied)
11820 ((memq article gnus-newsgroup-saved)
11822 (t gnus-unread-mark))
11824 (when (gnus-visual-p 'summary-highlight 'highlight)
11825 (run-hooks 'gnus-summary-update-hook))
11828 (defun gnus-summary-update-mark (mark type)
11829 (beginning-of-line)
11830 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
11831 (buffer-read-only nil))
11833 ;; Go to the right position on the line.
11834 (forward-char forward)
11835 ;; Replace the old mark with the new mark.
11836 (subst-char-in-region (point) (1+ (point)) (following-char) mark)
11837 ;; Optionally update the marks by some user rule.
11838 (when (eq type 'unread)
11839 (gnus-data-set-mark
11840 (gnus-data-find (gnus-summary-article-number)) mark)
11841 (gnus-summary-update-line (eq mark gnus-unread-mark))))))
11843 (defun gnus-mark-article-as-read (article &optional mark)
11844 "Enter ARTICLE in the pertinent lists and remove it from others."
11845 ;; Make the article expirable.
11846 (let ((mark (or mark gnus-del-mark)))
11847 (if (= mark gnus-expirable-mark)
11848 (setq gnus-newsgroup-expirable (cons article gnus-newsgroup-expirable))
11849 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)))
11850 ;; Remove from unread and marked lists.
11851 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
11852 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
11853 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
11854 (push (cons article mark) gnus-newsgroup-reads)
11855 ;; Possibly remove from cache, if that is used.
11856 (when gnus-use-cache
11857 (gnus-cache-enter-remove-article article))))
11859 (defun gnus-mark-article-as-unread (article &optional mark)
11860 "Enter ARTICLE in the pertinent lists and remove it from others."
11861 (let ((mark (or mark gnus-ticked-mark)))
11862 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
11863 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
11864 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
11865 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
11866 (cond ((= mark gnus-ticked-mark)
11867 (push article gnus-newsgroup-marked))
11868 ((= mark gnus-dormant-mark)
11869 (push article gnus-newsgroup-dormant))
11871 (push article gnus-newsgroup-unreads)))
11872 (setq gnus-newsgroup-reads
11873 (delq (assq article gnus-newsgroup-reads)
11874 gnus-newsgroup-reads))))
11876 (defalias 'gnus-summary-mark-as-unread-forward
11877 'gnus-summary-tick-article-forward)
11878 (make-obsolete 'gnus-summary-mark-as-unread-forward
11879 'gnus-summary-tick-article-forward)
11880 (defun gnus-summary-tick-article-forward (n)
11881 "Tick N articles forwards.
11882 If N is negative, tick backwards instead.
11883 The difference between N and the number of articles ticked is returned."
11885 (gnus-summary-mark-forward n gnus-ticked-mark))
11887 (defalias 'gnus-summary-mark-as-unread-backward
11888 'gnus-summary-tick-article-backward)
11889 (make-obsolete 'gnus-summary-mark-as-unread-backward
11890 'gnus-summary-tick-article-backward)
11891 (defun gnus-summary-tick-article-backward (n)
11892 "Tick N articles backwards.
11893 The difference between N and the number of articles ticked is returned."
11895 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
11897 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
11898 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
11899 (defun gnus-summary-tick-article (&optional article clear-mark)
11900 "Mark current article as unread.
11901 Optional 1st argument ARTICLE specifies article number to be marked as unread.
11902 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
11904 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
11905 gnus-ticked-mark)))
11907 (defun gnus-summary-mark-as-read-forward (n)
11908 "Mark N articles as read forwards.
11909 If N is negative, mark backwards instead.
11910 The difference between N and the actual number of articles marked is
11913 (gnus-summary-mark-forward n gnus-del-mark t))
11915 (defun gnus-summary-mark-as-read-backward (n)
11916 "Mark the N articles as read backwards.
11917 The difference between N and the actual number of articles marked is
11920 (gnus-summary-mark-forward (- n) gnus-del-mark t))
11922 (defun gnus-summary-mark-as-read (&optional article mark)
11923 "Mark current article as read.
11924 ARTICLE specifies the article to be marked as read.
11925 MARK specifies a string to be inserted at the beginning of the line."
11926 (gnus-summary-mark-article article mark))
11928 (defun gnus-summary-clear-mark-forward (n)
11929 "Clear marks from N articles forward.
11930 If N is negative, clear backward instead.
11931 The difference between N and the number of marks cleared is returned."
11933 (gnus-summary-mark-forward n gnus-unread-mark))
11935 (defun gnus-summary-clear-mark-backward (n)
11936 "Clear marks from N articles backward.
11937 The difference between N and the number of marks cleared is returned."
11939 (gnus-summary-mark-forward (- n) gnus-unread-mark))
11941 (defun gnus-summary-mark-unread-as-read ()
11942 "Intended to be used by `gnus-summary-mark-article-hook'."
11943 (when (memq gnus-current-article gnus-newsgroup-unreads)
11944 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
11946 (defun gnus-summary-mark-read-and-unread-as-read ()
11947 "Intended to be used by `gnus-summary-mark-article-hook'."
11948 (let ((mark (gnus-summary-article-mark)))
11949 (when (or (gnus-unread-mark-p mark)
11950 (gnus-read-mark-p mark))
11951 (gnus-summary-mark-article gnus-current-article gnus-read-mark))))
11953 (defun gnus-summary-mark-region-as-read (point mark all)
11954 "Mark all unread articles between point and mark as read.
11955 If given a prefix, mark all articles between point and mark as read,
11956 even ticked and dormant ones."
11957 (interactive "r\nP")
11961 (beginning-of-line)
11966 (memq (setq article (gnus-summary-article-number))
11967 gnus-newsgroup-unreads))
11968 (gnus-summary-mark-article article gnus-del-mark))
11970 (gnus-summary-find-next))))))
11972 (defun gnus-summary-mark-below (score mark)
11973 "Mark articles with score less than SCORE with MARK."
11974 (interactive "P\ncMark: ")
11975 (gnus-set-global-variables)
11976 (setq score (if score
11977 (prefix-numeric-value score)
11978 (or gnus-summary-default-score 0)))
11980 (set-buffer gnus-summary-buffer)
11981 (goto-char (point-min))
11984 (and (< (gnus-summary-article-score) score)
11985 (gnus-summary-mark-article nil mark))
11986 (gnus-summary-find-next)))))
11988 (defun gnus-summary-kill-below (&optional score)
11989 "Mark articles with score below SCORE as read."
11991 (gnus-set-global-variables)
11992 (gnus-summary-mark-below score gnus-killed-mark))
11994 (defun gnus-summary-clear-above (&optional score)
11995 "Clear all marks from articles with score above SCORE."
11997 (gnus-set-global-variables)
11998 (gnus-summary-mark-above score gnus-unread-mark))
12000 (defun gnus-summary-tick-above (&optional score)
12001 "Tick all articles with score above SCORE."
12003 (gnus-set-global-variables)
12004 (gnus-summary-mark-above score gnus-ticked-mark))
12006 (defun gnus-summary-mark-above (score mark)
12007 "Mark articles with score over SCORE with MARK."
12008 (interactive "P\ncMark: ")
12009 (gnus-set-global-variables)
12010 (setq score (if score
12011 (prefix-numeric-value score)
12012 (or gnus-summary-default-score 0)))
12014 (set-buffer gnus-summary-buffer)
12015 (goto-char (point-min))
12017 (if (> (gnus-summary-article-score) score)
12018 (gnus-summary-mark-article nil mark))
12020 (gnus-summary-find-next)))))
12022 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
12023 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
12024 (defun gnus-summary-limit-include-expunged ()
12025 "Display all the hidden articles that were expunged for low scores."
12027 (gnus-set-global-variables)
12028 (let ((buffer-read-only nil))
12029 (let ((scored gnus-newsgroup-scored)
12032 (or (gnus-summary-goto-subject (caar scored))
12033 (and (setq h (gnus-summary-article-header (caar scored)))
12034 (< (cdar scored) gnus-summary-expunge-below)
12035 (setq headers (cons h headers))))
12036 (setq scored (cdr scored)))
12037 (or headers (error "No expunged articles hidden."))
12038 (goto-char (point-min))
12039 (gnus-summary-prepare-unthreaded (nreverse headers)))
12040 (goto-char (point-min))
12041 (gnus-summary-position-point)))
12043 (defun gnus-summary-catchup (&optional all quietly to-here not-mark)
12044 "Mark all articles not marked as unread in this newsgroup as read.
12045 If prefix argument ALL is non-nil, all articles are marked as read.
12046 If QUIETLY is non-nil, no questions will be asked.
12047 If TO-HERE is non-nil, it should be a point in the buffer. All
12048 articles before this point will be marked as read.
12049 The number of articles marked as read is returned."
12051 (gnus-set-global-variables)
12054 (not gnus-interactive-catchup) ;Without confirmation?
12058 "Mark absolutely all articles as read? "
12059 "Mark all unread articles as read? ")))
12061 (not gnus-newsgroup-adaptive)
12062 (not gnus-newsgroup-auto-expire))
12065 (setq gnus-newsgroup-marked nil
12066 gnus-newsgroup-dormant nil))
12067 (setq gnus-newsgroup-unreads nil))
12068 ;; We actually mark all articles as canceled, which we
12069 ;; have to do when using auto-expiry or adaptive scoring.
12070 (gnus-summary-show-all-threads)
12071 (if (gnus-summary-first-subject (not all))
12073 (if to-here (< (point) to-here) t)
12074 (gnus-summary-mark-article-as-read gnus-catchup-mark)
12075 (gnus-summary-find-next (not all)))))
12077 (setq gnus-newsgroup-unreads nil))
12078 (gnus-set-mode-line 'summary)))
12079 (let ((method (gnus-find-method-for-group gnus-newsgroup-name)))
12080 (if (and (not to-here) (eq 'nnvirtual (car method)))
12081 (nnvirtual-catchup-group
12082 (gnus-group-real-name gnus-newsgroup-name) (nth 1 method) all)))
12083 (gnus-summary-position-point)))
12085 (defun gnus-summary-catchup-to-here (&optional all)
12086 "Mark all unticked articles before the current one as read.
12087 If ALL is non-nil, also mark ticked and dormant articles as read."
12089 (gnus-set-global-variables)
12091 (let ((beg (point)))
12092 ;; We check that there are unread articles.
12093 (when (or all (gnus-summary-find-prev))
12094 (gnus-summary-catchup all t beg))))
12095 (gnus-summary-position-point))
12097 (defun gnus-summary-catchup-all (&optional quietly)
12098 "Mark all articles in this newsgroup as read."
12100 (gnus-set-global-variables)
12101 (gnus-summary-catchup t quietly))
12103 (defun gnus-summary-catchup-and-exit (&optional all quietly)
12104 "Mark all articles not marked as unread in this newsgroup as read, then exit.
12105 If prefix argument ALL is non-nil, all articles are marked as read."
12107 (gnus-set-global-variables)
12108 (gnus-summary-catchup all quietly nil 'fast)
12109 ;; Select next newsgroup or exit.
12110 (if (eq gnus-auto-select-next 'quietly)
12111 (gnus-summary-next-group nil)
12112 (gnus-summary-exit)))
12114 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
12115 "Mark all articles in this newsgroup as read, and then exit."
12117 (gnus-set-global-variables)
12118 (gnus-summary-catchup-and-exit t quietly))
12120 ;; Suggested by "Arne Eofsson" <arne@hodgkin.mbi.ucla.edu>.
12121 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
12122 "Mark all articles in this group as read and select the next group.
12123 If given a prefix, mark all articles, unread as well as ticked, as
12126 (gnus-set-global-variables)
12128 (gnus-summary-catchup all))
12129 (gnus-summary-next-article t nil nil t))
12131 ;; Thread-based commands.
12133 (defun gnus-summary-articles-in-thread (&optional article)
12134 "Return a list of all articles in the current thread.
12135 If ARTICLE is non-nil, return all articles in the thread that starts
12136 with that article."
12137 (let* ((article (or article (gnus-summary-article-number)))
12138 (data (gnus-data-find-list article))
12139 (top-level (gnus-data-level (car data)))
12141 (cond ((null gnus-thread-operation-ignore-subject)
12142 (gnus-simplify-subject-re
12143 (mail-header-subject (gnus-data-header (car data)))))
12144 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
12145 (gnus-simplify-subject-fuzzy
12146 (mail-header-subject (gnus-data-header (car data)))))
12150 () ; This article doesn't exist.
12152 (and (or (not top-subject)
12153 (string= top-subject
12154 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
12155 (gnus-simplify-subject-fuzzy
12156 (mail-header-subject
12157 (gnus-data-header (car data))))
12158 (gnus-simplify-subject-re
12159 (mail-header-subject
12160 (gnus-data-header (car data)))))))
12161 (setq articles (cons (gnus-data-number (car data)) articles)))
12162 (if (and (setq data (cdr data))
12163 (> (gnus-data-level (car data)) top-level))
12166 ;; Return the list of articles.
12167 (nreverse articles))))
12169 (defun gnus-summary-rethread-current ()
12170 "Rethread the thread the current article is part of."
12172 (gnus-set-global-variables)
12173 (let* ((gnus-show-threads t)
12174 (article (gnus-summary-article-number))
12175 (id (mail-header-id (gnus-summary-article-header)))
12176 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
12178 (error "No article on the current line"))
12179 (gnus-rebuild-thread id)
12180 (gnus-summary-goto-subject article)))
12182 (defun gnus-summary-reparent-thread ()
12183 "Make current article child of the marked (or previous) article.
12185 Note that the re-threading will only work if `gnus-thread-ignore-subject'
12186 is non-nil or the Subject: of both articles are the same."
12188 (or (not (gnus-group-read-only-p))
12189 (error "The current newsgroup does not support article editing."))
12190 (or (<= (length gnus-newsgroup-processable) 1)
12191 (error "No more than one article may be marked."))
12192 (save-window-excursion
12193 (let ((gnus-article-buffer " *reparent*")
12194 (current-article (gnus-summary-article-number))
12195 ; first grab the marked article, otherwise one line up.
12196 (parent-article (if (not (null gnus-newsgroup-processable))
12197 (car gnus-newsgroup-processable)
12199 (if (eq (forward-line -1) 0)
12200 (gnus-summary-article-number)
12201 (error "Beginning of summary buffer."))))))
12202 (or (not (eq current-article parent-article))
12203 (error "An article may not be self-referential."))
12204 (let ((message-id (mail-header-id
12205 (gnus-summary-article-header parent-article))))
12206 (or (and message-id (not (equal message-id "")))
12207 (error "No message-id in desired parent."))
12208 (gnus-summary-select-article t t nil current-article)
12209 (set-buffer gnus-article-buffer)
12210 (setq buffer-read-only nil)
12211 (let ((buf (buffer-substring-no-properties (point-min) (point-max))))
12214 (goto-char (point-min))
12215 (if (search-forward-regexp "^References: " nil t)
12216 (insert message-id " " )
12217 (insert "References: " message-id "\n"))
12218 (or (gnus-request-replace-article current-article
12219 (car gnus-article-current)
12220 gnus-article-buffer)
12221 (error "Couldn't replace article."))
12222 (set-buffer gnus-summary-buffer)
12223 (gnus-summary-unmark-all-processable)
12224 (gnus-summary-rethread-current)
12225 (message "Article %d is now the child of article %d."
12226 current-article parent-article)))))
12228 (defun gnus-summary-toggle-threads (&optional arg)
12229 "Toggle showing conversation threads.
12230 If ARG is positive number, turn showing conversation threads on."
12232 (gnus-set-global-variables)
12233 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
12234 (setq gnus-show-threads
12235 (if (null arg) (not gnus-show-threads)
12236 (> (prefix-numeric-value arg) 0)))
12237 (gnus-summary-prepare)
12238 (gnus-summary-goto-subject current)
12239 (gnus-summary-position-point)))
12241 (defun gnus-summary-show-all-threads ()
12242 "Show all threads."
12244 (gnus-set-global-variables)
12246 (let ((buffer-read-only nil))
12247 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
12248 (gnus-summary-position-point))
12250 (defun gnus-summary-show-thread ()
12251 "Show thread subtrees.
12252 Returns nil if no thread was there to be shown."
12254 (gnus-set-global-variables)
12255 (let ((buffer-read-only nil)
12257 ;; first goto end then to beg, to have point at beg after let
12258 (end (progn (end-of-line) (point)))
12259 (beg (progn (beginning-of-line) (point))))
12261 ;; Any hidden lines here?
12262 (search-forward "\r" end t)
12263 (subst-char-in-region beg end ?\^M ?\n t)
12265 (gnus-summary-position-point))))
12267 (defun gnus-summary-hide-all-threads ()
12268 "Hide all thread subtrees."
12270 (gnus-set-global-variables)
12272 (goto-char (point-min))
12273 (gnus-summary-hide-thread)
12274 (while (zerop (gnus-summary-next-thread 1 t))
12275 (gnus-summary-hide-thread)))
12276 (gnus-summary-position-point))
12278 (defun gnus-summary-hide-thread ()
12279 "Hide thread subtrees.
12280 Returns nil if no threads were there to be hidden."
12282 (gnus-set-global-variables)
12283 (let ((buffer-read-only nil)
12285 (article (gnus-summary-article-number))
12288 ;; Go forward until either the buffer ends or the subthread
12290 (when (and (not (eobp))
12291 (or (zerop (gnus-summary-next-thread 1 t))
12292 (goto-char (point-max))))
12295 (if (and (> (point) start)
12296 (search-backward "\n" start t))
12298 (subst-char-in-region start (point) ?\n ?\^M)
12299 (gnus-summary-goto-subject article))
12302 ;;(gnus-summary-position-point)
12305 (defun gnus-summary-go-to-next-thread (&optional previous)
12306 "Go to the same level (or less) next thread.
12307 If PREVIOUS is non-nil, go to previous thread instead.
12308 Return the article number moved to, or nil if moving was impossible."
12309 (let* ((level (gnus-summary-thread-level))
12310 (article (gnus-summary-article-number))
12311 (data (cdr (gnus-data-find-list article (gnus-data-list previous))))
12314 (if (<= (gnus-data-level (car data)) level)
12315 (setq oart (gnus-data-number (car data))
12317 (setq data (cdr data))))
12319 (gnus-summary-goto-subject oart))))
12321 (defun gnus-summary-next-thread (n &optional silent)
12322 "Go to the same level next N'th thread.
12323 If N is negative, search backward instead.
12324 Returns the difference between N and the number of skips actually
12327 If SILENT, don't output messages."
12329 (gnus-set-global-variables)
12330 (let ((backward (< n 0))
12333 (while (and (> n 0)
12334 (setq old (save-excursion (forward-line 1) (point)))
12335 (gnus-summary-go-to-next-thread backward))
12336 (when (and (eq gnus-summary-make-false-root 'dummy)
12337 (setq dum (text-property-not-all
12338 old (point) 'gnus-intangible nil)))
12342 (gnus-summary-position-point))
12343 (when (and (not silent) (/= 0 n))
12344 (gnus-message 7 "No more threads"))
12347 (defun gnus-summary-prev-thread (n)
12348 "Go to the same level previous N'th thread.
12349 Returns the difference between N and the number of skips actually
12352 (gnus-set-global-variables)
12353 (gnus-summary-next-thread (- n)))
12355 (defun gnus-summary-go-down-thread ()
12356 "Go down one level in the current thread."
12357 (let ((children (gnus-summary-article-children)))
12359 (gnus-summary-goto-subject (car children)))))
12361 (defun gnus-summary-go-up-thread ()
12362 "Go up one level in the current thread."
12363 (let ((parent (gnus-summary-article-parent)))
12365 (gnus-summary-goto-subject parent))))
12367 (defun gnus-summary-down-thread (n)
12368 "Go down thread N steps.
12369 If N is negative, go up instead.
12370 Returns the difference between N and how many steps down that were
12373 (gnus-set-global-variables)
12376 (while (and (> n 0)
12377 (if up (gnus-summary-go-up-thread)
12378 (gnus-summary-go-down-thread)))
12380 (gnus-summary-position-point)
12381 (if (/= 0 n) (gnus-message 7 "Can't go further"))
12384 (defun gnus-summary-up-thread (n)
12385 "Go up thread N steps.
12386 If N is negative, go up instead.
12387 Returns the difference between N and how many steps down that were
12390 (gnus-set-global-variables)
12391 (gnus-summary-down-thread (- n)))
12393 (defun gnus-summary-top-thread ()
12394 "Go to the top of the thread."
12396 (gnus-set-global-variables)
12397 (while (gnus-summary-go-up-thread))
12398 (gnus-summary-article-number))
12400 (defun gnus-summary-kill-thread (&optional unmark)
12401 "Mark articles under current thread as read.
12402 If the prefix argument is positive, remove any kinds of marks.
12403 If the prefix argument is negative, tick articles instead."
12405 (gnus-set-global-variables)
12407 (setq unmark (prefix-numeric-value unmark)))
12408 (let ((articles (gnus-summary-articles-in-thread)))
12410 ;; Expand the thread.
12411 (gnus-summary-show-thread)
12412 ;; Mark all the articles.
12414 (gnus-summary-goto-subject (car articles))
12415 (cond ((null unmark)
12416 (gnus-summary-mark-article-as-read gnus-killed-mark))
12418 (gnus-summary-mark-article-as-unread gnus-unread-mark))
12420 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
12421 (setq articles (cdr articles))))
12422 ;; Hide killed subtrees.
12424 gnus-thread-hide-killed
12425 (gnus-summary-hide-thread))
12426 ;; If marked as read, go to next unread subject.
12428 ;; Go to next unread subject.
12429 (gnus-summary-next-subject 1 t)))
12430 (gnus-set-mode-line 'summary))
12432 ;; Summary sorting commands
12434 (defun gnus-summary-sort-by-number (&optional reverse)
12435 "Sort summary buffer by article number.
12436 Argument REVERSE means reverse order."
12438 (gnus-summary-sort 'number reverse))
12440 (defun gnus-summary-sort-by-author (&optional reverse)
12441 "Sort summary buffer by author name alphabetically.
12442 If case-fold-search is non-nil, case of letters is ignored.
12443 Argument REVERSE means reverse order."
12445 (gnus-summary-sort 'author reverse))
12447 (defun gnus-summary-sort-by-subject (&optional reverse)
12448 "Sort summary buffer by subject alphabetically. `Re:'s are ignored.
12449 If case-fold-search is non-nil, case of letters is ignored.
12450 Argument REVERSE means reverse order."
12452 (gnus-summary-sort 'subject reverse))
12454 (defun gnus-summary-sort-by-date (&optional reverse)
12455 "Sort summary buffer by date.
12456 Argument REVERSE means reverse order."
12458 (gnus-summary-sort 'date reverse))
12460 (defun gnus-summary-sort-by-score (&optional reverse)
12461 "Sort summary buffer by score.
12462 Argument REVERSE means reverse order."
12464 (gnus-summary-sort 'score reverse))
12466 (defun gnus-summary-sort (predicate reverse)
12467 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
12468 (gnus-set-global-variables)
12469 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
12470 (article (intern (format "gnus-article-sort-by-%s" predicate)))
12471 (gnus-thread-sort-functions
12476 (,thread t2 t1)))))
12477 (gnus-article-sort-functions
12482 (,article t2 t1)))))
12484 (gnus-summary-prepare-hook nil))
12485 ;; We do the sorting by regenerating the threads.
12486 (gnus-summary-prepare)
12487 ;; Hide subthreads if needed.
12488 (when (and gnus-show-threads gnus-thread-hide-subtree)
12489 (gnus-summary-hide-all-threads)))
12490 ;; If in async mode, we send some info to the backend.
12491 (when gnus-newsgroup-async
12492 (gnus-request-asynchronous
12493 gnus-newsgroup-name gnus-newsgroup-data)))
12495 (defun gnus-sortable-date (date)
12496 "Make sortable string by string-lessp from DATE.
12497 Timezone package is used."
12498 (let* ((date (timezone-fix-time date nil nil)) ;[Y M D H M S]
12499 (year (aref date 0))
12500 (month (aref date 1))
12501 (day (aref date 2)))
12502 (timezone-make-sortable-date
12504 (timezone-make-time-string
12505 (aref date 3) (aref date 4) (aref date 5)))))
12507 ;; Summary saving commands.
12509 (defun gnus-summary-save-article (&optional n not-saved)
12510 "Save the current article using the default saver function.
12511 If N is a positive number, save the N next articles.
12512 If N is a negative number, save the N previous articles.
12513 If N is nil and any articles have been marked with the process mark,
12514 save those articles instead.
12515 The variable `gnus-default-article-saver' specifies the saver function."
12517 (gnus-set-global-variables)
12518 (let ((articles (gnus-summary-work-articles n))
12519 file header article)
12521 (setq header (gnus-summary-article-header
12522 (setq article (pop articles))))
12523 (if (not (vectorp header))
12524 ;; This is a pseudo-article.
12525 (if (assq 'name header)
12526 (gnus-copy-file (cdr (assq 'name header)))
12527 (gnus-message 1 "Article %d is unsaveable" article))
12528 ;; This is a real article.
12529 (save-window-excursion
12530 (gnus-summary-select-article t nil nil article))
12531 (unless gnus-save-all-headers
12532 ;; Remove headers accoring to `gnus-saved-headers'.
12533 (let ((gnus-visible-headers
12534 (or gnus-saved-headers gnus-visible-headers)))
12535 (gnus-article-hide-headers nil t)))
12536 ;; Remove any X-Gnus lines.
12538 (set-buffer gnus-article-buffer)
12540 (let ((buffer-read-only nil))
12541 (nnheader-narrow-to-headers)
12542 (while (re-search-forward "^X-Gnus" nil t)
12543 (gnus-delete-line)))))
12544 (save-window-excursion
12545 (if (not gnus-default-article-saver)
12546 (error "No default saver is defined.")
12547 (setq file (funcall
12548 gnus-default-article-saver
12550 ((not gnus-prompt-before-saving)
12552 ((eq gnus-prompt-before-saving 'always)
12555 (gnus-summary-remove-process-mark article)
12557 (gnus-summary-set-saved-mark article))))
12558 (gnus-summary-position-point)
12561 (defun gnus-summary-pipe-output (&optional arg)
12562 "Pipe the current article to a subprocess.
12563 If N is a positive number, pipe the N next articles.
12564 If N is a negative number, pipe the N previous articles.
12565 If N is nil and any articles have been marked with the process mark,
12566 pipe those articles instead."
12568 (gnus-set-global-variables)
12569 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe))
12570 (gnus-summary-save-article arg t))
12571 (gnus-configure-windows 'pipe))
12573 (defun gnus-summary-save-article-mail (&optional arg)
12574 "Append the current article to an mail file.
12575 If N is a positive number, save the N next articles.
12576 If N is a negative number, save the N previous articles.
12577 If N is nil and any articles have been marked with the process mark,
12578 save those articles instead."
12580 (gnus-set-global-variables)
12581 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
12582 (gnus-summary-save-article arg)))
12584 (defun gnus-summary-save-article-rmail (&optional arg)
12585 "Append the current article to an rmail file.
12586 If N is a positive number, save the N next articles.
12587 If N is a negative number, save the N previous articles.
12588 If N is nil and any articles have been marked with the process mark,
12589 save those articles instead."
12591 (gnus-set-global-variables)
12592 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
12593 (gnus-summary-save-article arg)))
12595 (defun gnus-summary-save-article-file (&optional arg)
12596 "Append the current article to a file.
12597 If N is a positive number, save the N next articles.
12598 If N is a negative number, save the N previous articles.
12599 If N is nil and any articles have been marked with the process mark,
12600 save those articles instead."
12602 (gnus-set-global-variables)
12603 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
12604 (gnus-summary-save-article arg)))
12606 (defun gnus-summary-save-article-body-file (&optional arg)
12607 "Append the current article body to a file.
12608 If N is a positive number, save the N next articles.
12609 If N is a negative number, save the N previous articles.
12610 If N is nil and any articles have been marked with the process mark,
12611 save those articles instead."
12613 (gnus-set-global-variables)
12614 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
12615 (gnus-summary-save-article arg)))
12617 (defun gnus-get-split-value (methods)
12618 "Return a value based on the split METHODS."
12619 (let (split-name method result match)
12622 (set-buffer gnus-original-article-buffer)
12624 (nnheader-narrow-to-headers)
12626 (goto-char (point-min))
12627 (setq method (pop methods))
12628 (setq match (pop method))
12631 ;; Regular expression.
12633 (re-search-forward match nil t)
12635 ((gnus-functionp match)
12639 (setq result (funcall match gnus-newsgroup-name))))
12644 (setq result (eval match)))))
12645 (setq split-name (append (cdr methods) split-name))
12646 (cond ((stringp result)
12647 (push result split-name))
12649 (setq split-name (append result split-name)))))))))
12652 (defun gnus-read-move-group-name (prompt default articles prefix)
12653 "Read a group name."
12654 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
12656 (format "Where do you want to %s %s? "
12658 (if (> (length articles) 1)
12659 (format "these %d articles" (length articles))
12667 (format "(default %s) " default)
12669 gnus-active-hashtb nil nil prefix))
12670 ((= 1 (length split-name))
12671 (completing-read prom gnus-active-hashtb
12672 nil nil (cons (car split-name) 0)))
12675 prom (mapcar (lambda (el) (list el)) (nreverse split-name)))))))
12678 (if (or (string= to-newsgroup "")
12679 (string= to-newsgroup prefix))
12680 (setq to-newsgroup (or default "")))
12681 (or (gnus-active to-newsgroup)
12682 (gnus-activate-group to-newsgroup)
12683 (error "No such group: %s" to-newsgroup)))
12686 (defun gnus-read-save-file-name (prompt default-name)
12687 (let* ((split-name (gnus-get-split-value gnus-split-methods))
12689 ;; Let the split methods have their say.
12691 ;; No split name was found.
12694 (concat prompt " (default "
12695 (file-name-nondirectory default-name) ") ")
12696 (file-name-directory default-name)
12698 ;; A single split name was found
12699 ((= 1 (length split-name))
12701 (concat prompt " (default " (car split-name) ") ")
12702 gnus-article-save-directory
12703 (concat gnus-article-save-directory (car split-name))))
12704 ;; A list of splits was found.
12706 (setq split-name (mapcar (lambda (el) (list el))
12707 (nreverse split-name)))
12708 (let ((result (completing-read
12709 (concat prompt " ") split-name nil nil)))
12710 (concat gnus-article-save-directory
12711 (if (string= result "")
12714 ;; If we have read a directory, we append the default file name.
12715 (when (file-directory-p file)
12716 (setq file (concat (file-name-as-directory file)
12717 (file-name-nondirectory default-name))))
12718 ;; Possibly translate some charaters.
12719 (nnheader-translate-file-chars file)))
12721 (defun gnus-article-archive-name (group)
12722 "Return the first instance of an \"Archive-name\" in the current buffer."
12723 (let ((case-fold-search t))
12724 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
12725 (match-string 1))))
12727 (defun gnus-summary-save-in-rmail (&optional filename)
12728 "Append this article to Rmail file.
12729 Optional argument FILENAME specifies file name.
12730 Directory to save to is default to `gnus-article-save-directory' which
12731 is initialized from the SAVEDIR environment variable."
12733 (gnus-set-global-variables)
12734 (let ((default-name
12735 (funcall gnus-rmail-save-name gnus-newsgroup-name
12736 gnus-current-headers gnus-newsgroup-last-rmail)))
12738 (cond ((eq filename 'default)
12740 (filename filename)
12741 (t (gnus-read-save-file-name
12742 "Save in rmail file:" default-name))))
12743 (gnus-make-directory (file-name-directory filename))
12744 (gnus-eval-in-buffer-window
12745 gnus-original-article-buffer
12749 (gnus-output-to-rmail filename))))
12750 ;; Remember the directory name to save articles
12751 (setq gnus-newsgroup-last-rmail filename)))
12753 (defun gnus-summary-save-in-mail (&optional filename)
12754 "Append this article to Unix mail file.
12755 Optional argument FILENAME specifies file name.
12756 Directory to save to is default to `gnus-article-save-directory' which
12757 is initialized from the SAVEDIR environment variable."
12759 (gnus-set-global-variables)
12760 (let ((default-name
12761 (funcall gnus-mail-save-name gnus-newsgroup-name
12762 gnus-current-headers gnus-newsgroup-last-mail)))
12764 (cond ((eq filename 'default)
12766 (filename filename)
12767 (t (gnus-read-save-file-name
12768 "Save in Unix mail file:" default-name))))
12770 (expand-file-name filename
12772 (file-name-directory default-name))))
12773 (gnus-make-directory (file-name-directory filename))
12774 (gnus-eval-in-buffer-window
12775 gnus-original-article-buffer
12779 (if (and (file-readable-p filename) (mail-file-babyl-p filename))
12780 (gnus-output-to-rmail filename)
12781 (let ((mail-use-rfc822 t))
12782 (rmail-output filename 1 t t))))))
12783 ;; Remember the directory name to save articles.
12784 (setq gnus-newsgroup-last-mail filename)))
12786 (defun gnus-summary-save-in-file (&optional filename)
12787 "Append this article to file.
12788 Optional argument FILENAME specifies file name.
12789 Directory to save to is default to `gnus-article-save-directory' which
12790 is initialized from the SAVEDIR environment variable."
12792 (gnus-set-global-variables)
12793 (let ((default-name
12794 (funcall gnus-file-save-name gnus-newsgroup-name
12795 gnus-current-headers gnus-newsgroup-last-file)))
12797 (cond ((eq filename 'default)
12799 (filename filename)
12800 (t (gnus-read-save-file-name
12801 "Save in file:" default-name))))
12802 (gnus-make-directory (file-name-directory filename))
12803 (gnus-eval-in-buffer-window
12804 gnus-original-article-buffer
12808 (gnus-output-to-file filename))))
12809 ;; Remember the directory name to save articles.
12810 (setq gnus-newsgroup-last-file filename)))
12812 (defun gnus-summary-save-body-in-file (&optional filename)
12813 "Append this article body to a file.
12814 Optional argument FILENAME specifies file name.
12815 The directory to save in defaults to `gnus-article-save-directory' which
12816 is initialized from the SAVEDIR environment variable."
12818 (gnus-set-global-variables)
12819 (let ((default-name
12820 (funcall gnus-file-save-name gnus-newsgroup-name
12821 gnus-current-headers gnus-newsgroup-last-file)))
12823 (cond ((eq filename 'default)
12825 (filename filename)
12826 (t (gnus-read-save-file-name
12827 "Save body in file:" default-name))))
12828 (gnus-make-directory (file-name-directory filename))
12829 (gnus-eval-in-buffer-window
12830 gnus-article-buffer
12834 (goto-char (point-min))
12835 (and (search-forward "\n\n" nil t)
12836 (narrow-to-region (point) (point-max)))
12837 (gnus-output-to-file filename))))
12838 ;; Remember the directory name to save articles.
12839 (setq gnus-newsgroup-last-file filename)))
12841 (defun gnus-summary-save-in-pipe (&optional command)
12842 "Pipe this article to subprocess."
12844 (gnus-set-global-variables)
12846 (cond ((eq command 'default)
12847 gnus-last-shell-command)
12849 (t (read-string "Shell command on article: "
12850 gnus-last-shell-command))))
12851 (if (string-equal command "")
12852 (setq command gnus-last-shell-command))
12853 (gnus-eval-in-buffer-window
12854 gnus-article-buffer
12857 (shell-command-on-region (point-min) (point-max) command nil)))
12858 (setq gnus-last-shell-command command))
12860 ;; Summary extract commands
12862 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
12863 (let ((buffer-read-only nil)
12864 (article (gnus-summary-article-number))
12866 (or (gnus-summary-goto-subject article)
12867 (error (format "No such article: %d" article)))
12868 (gnus-summary-position-point)
12869 ;; If all commands are to be bunched up on one line, we collect
12871 (if gnus-view-pseudos-separately
12873 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
12876 (setq action (cdr (assq 'action (car ps))))
12877 (setq files (list (cdr (assq 'name (car ps)))))
12878 (while (and ps (cdr ps)
12879 (string= (or action "1")
12880 (or (cdr (assq 'action (cadr ps))) "2")))
12881 (setq files (cons (cdr (assq 'name (cadr ps))) files))
12882 (setcdr ps (cddr ps)))
12885 (if (not (string-match "%s" action))
12886 (setq files (cons " " files)))
12887 (setq files (cons " " files))
12888 (and (assq 'execute (car ps))
12889 (setcdr (assq 'execute (car ps))
12890 (funcall (if (string-match "%s" action)
12893 (mapconcat (lambda (f) f) files " ")))))
12894 (setq ps (cdr ps)))))
12895 (if (and gnus-view-pseudos (not not-view))
12897 (and (assq 'execute (car pslist))
12898 (gnus-execute-command (cdr (assq 'execute (car pslist)))
12899 (eq gnus-view-pseudos 'not-confirm)))
12900 (setq pslist (cdr pslist)))
12903 (setq after-article (or (cdr (assq 'article (car pslist)))
12904 (gnus-summary-article-number)))
12905 (gnus-summary-goto-subject after-article)
12908 (insert " " (file-name-nondirectory
12909 (cdr (assq 'name (car pslist))))
12910 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
12912 (forward-line -1) ; back to `b'
12913 (add-text-properties
12914 b e (list 'gnus-number gnus-reffed-article-number
12915 gnus-mouse-face-prop gnus-mouse-face))
12917 after-article gnus-reffed-article-number
12918 gnus-unread-mark b (car pslist) 0 (- e b))
12919 (push gnus-reffed-article-number gnus-newsgroup-unreads)
12920 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
12921 (setq pslist (cdr pslist)))))))
12923 (defun gnus-pseudos< (p1 p2)
12924 (let ((c1 (cdr (assq 'action p1)))
12925 (c2 (cdr (assq 'action p2))))
12926 (and c1 c2 (string< c1 c2))))
12928 (defun gnus-request-pseudo-article (props)
12929 (cond ((assq 'execute props)
12930 (gnus-execute-command (cdr (assq 'execute props)))))
12931 (let ((gnus-current-article (gnus-summary-article-number)))
12932 (run-hooks 'gnus-mark-article-hook)))
12934 (defun gnus-execute-command (command &optional automatic)
12936 (gnus-article-setup-buffer)
12937 (set-buffer gnus-article-buffer)
12938 (let ((command (if automatic command (read-string "Command: " command)))
12939 (buffer-read-only nil))
12941 (insert "$ " command "\n\n")
12942 (if gnus-view-pseudo-asynchronously
12943 (start-process "gnus-execute" nil "sh" "-c" command)
12944 (call-process "sh" nil t nil "-c" command)))))
12946 (defun gnus-copy-file (file &optional to)
12949 (list (read-file-name "Copy file: " default-directory)
12950 (read-file-name "Copy file to: " default-directory)))
12951 (gnus-set-global-variables)
12952 (or to (setq to (read-file-name "Copy file to: " default-directory)))
12953 (and (file-directory-p to)
12954 (setq to (concat (file-name-as-directory to)
12955 (file-name-nondirectory file))))
12956 (copy-file file to))
12958 ;; Summary kill commands.
12960 (defun gnus-summary-edit-global-kill (article)
12961 "Edit the \"global\" kill file."
12962 (interactive (list (gnus-summary-article-number)))
12963 (gnus-set-global-variables)
12964 (gnus-group-edit-global-kill article))
12966 (defun gnus-summary-edit-local-kill ()
12967 "Edit a local kill file applied to the current newsgroup."
12969 (gnus-set-global-variables)
12970 (setq gnus-current-headers (gnus-summary-article-header))
12971 (gnus-set-global-variables)
12972 (gnus-group-edit-local-kill
12973 (gnus-summary-article-number) gnus-newsgroup-name))
12977 ;;; Gnus article mode
12980 (put 'gnus-article-mode 'mode-class 'special)
12982 (if gnus-article-mode-map
12984 (setq gnus-article-mode-map (make-keymap))
12985 (suppress-keymap gnus-article-mode-map)
12987 (gnus-define-keys gnus-article-mode-map
12988 " " gnus-article-goto-next-page
12989 "\177" gnus-article-goto-prev-page
12990 [delete] gnus-article-goto-prev-page
12991 "\C-c^" gnus-article-refer-article
12992 "h" gnus-article-show-summary
12993 "s" gnus-article-show-summary
12994 "\C-c\C-m" gnus-article-mail
12995 "?" gnus-article-describe-briefly
12996 gnus-mouse-2 gnus-article-push-button
12997 "\r" gnus-article-press-button
12998 "\t" gnus-article-next-button
12999 "\M-\t" gnus-article-prev-button
13000 "\C-c\C-b" gnus-bug)
13002 (substitute-key-definition
13003 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map))
13005 (defun gnus-article-mode ()
13006 "Major mode for displaying an article.
13008 All normal editing commands are switched off.
13010 The following commands are available:
13012 \\<gnus-article-mode-map>
13013 \\[gnus-article-next-page]\t Scroll the article one page forwards
13014 \\[gnus-article-prev-page]\t Scroll the article one page backwards
13015 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
13016 \\[gnus-article-show-summary]\t Display the summary buffer
13017 \\[gnus-article-mail]\t Send a reply to the address near point
13018 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
13019 \\[gnus-info-find-node]\t Go to the Gnus info node"
13021 (when (and menu-bar-mode
13022 (gnus-visual-p 'article-menu 'menu))
13023 (gnus-article-make-menu-bar))
13024 (kill-all-local-variables)
13025 (gnus-simplify-mode-line)
13026 (setq mode-name "Article")
13027 (setq major-mode 'gnus-article-mode)
13028 (make-local-variable 'minor-mode-alist)
13029 (or (assq 'gnus-show-mime minor-mode-alist)
13030 (setq minor-mode-alist
13031 (cons (list 'gnus-show-mime " MIME") minor-mode-alist)))
13032 (use-local-map gnus-article-mode-map)
13033 (make-local-variable 'page-delimiter)
13034 (setq page-delimiter gnus-page-delimiter)
13035 (buffer-disable-undo (current-buffer))
13036 (setq buffer-read-only t) ;Disable modification
13037 (run-hooks 'gnus-article-mode-hook))
13039 (defun gnus-article-setup-buffer ()
13040 "Initialize the article buffer."
13041 (let* ((name (if gnus-single-article-buffer "*Article*"
13042 (concat "*Article " gnus-newsgroup-name "*")))
13044 (progn (string-match "\\*Article" name)
13045 (concat " *Original Article"
13046 (substring name (match-end 0))))))
13047 (setq gnus-article-buffer name)
13048 (setq gnus-original-article-buffer original)
13049 ;; This might be a variable local to the summary buffer.
13050 (unless gnus-single-article-buffer
13052 (set-buffer gnus-summary-buffer)
13053 (setq gnus-article-buffer name)
13054 (setq gnus-original-article-buffer original)
13055 (gnus-set-global-variables))
13056 (make-local-variable 'gnus-summary-buffer))
13057 (if (get-buffer name)
13060 (buffer-disable-undo (current-buffer))
13061 (setq buffer-read-only t)
13062 (gnus-add-current-to-buffer-list)
13063 (or (eq major-mode 'gnus-article-mode)
13064 (gnus-article-mode))
13067 (set-buffer (get-buffer-create name))
13068 (gnus-add-current-to-buffer-list)
13069 (gnus-article-mode)
13070 (current-buffer)))))
13072 ;; Set article window start at LINE, where LINE is the number of lines
13073 ;; from the head of the article.
13074 (defun gnus-article-set-window-start (&optional line)
13076 (get-buffer-window gnus-article-buffer)
13078 (set-buffer gnus-article-buffer)
13079 (goto-char (point-min))
13082 (gnus-message 6 "Moved to bookmark")
13083 (search-forward "\n\n" nil t)
13084 (forward-line line)
13087 (defun gnus-kill-all-overlays ()
13088 "Delete all overlays in the current buffer."
13089 (when (fboundp 'overlay-lists)
13090 (let* ((overlayss (overlay-lists))
13091 (buffer-read-only nil)
13092 (overlays (nconc (car overlayss) (cdr overlayss))))
13094 (delete-overlay (pop overlays))))))
13096 (defun gnus-request-article-this-buffer (article group)
13097 "Get an article and insert it into this buffer."
13101 (gnus-kill-all-overlays)
13102 (setq group (or group gnus-newsgroup-name))
13104 ;; Open server if it has closed.
13105 (gnus-check-server (gnus-find-method-for-group group))
13107 ;; Using `gnus-request-article' directly will insert the article into
13108 ;; `nntp-server-buffer' - so we'll save some time by not having to
13109 ;; copy it from the server buffer into the article buffer.
13111 ;; We only request an article by message-id when we do not have the
13112 ;; headers for it, so we'll have to get those.
13113 (when (stringp article)
13114 (let ((gnus-override-method gnus-refer-article-method))
13115 (gnus-read-header article)))
13117 ;; If the article number is negative, that means that this article
13118 ;; doesn't belong in this newsgroup (possibly), so we find its
13119 ;; message-id and request it by id instead of number.
13120 (when (and (numberp article)
13121 gnus-summary-buffer
13122 (buffer-name gnus-summary-buffer))
13124 (set-buffer gnus-summary-buffer)
13125 (let ((header (gnus-summary-article-header article)))
13128 ((memq article gnus-newsgroup-sparse)
13129 ;; This is a sparse gap article.
13130 (setq article (mail-header-id header)))
13132 ;; It's a real article.
13133 (setq article (mail-header-id header)))
13135 ;; It is an extracted pseudo-article.
13136 (setq article 'pseudo)
13137 (gnus-request-pseudo-article header))))
13139 (let ((method (gnus-find-method-for-group
13140 gnus-newsgroup-name)))
13141 (if (not (eq (car method) 'nneething))
13143 (let ((dir (concat (file-name-as-directory (nth 1 method))
13144 (mail-header-subject header))))
13145 (if (file-directory-p dir)
13147 (setq article 'nneething)
13148 (gnus-group-enter-directory dir)))))))))
13151 ;; We first check `gnus-original-article-buffer'.
13152 ((and (equal (car gnus-original-article) group)
13153 (eq (cdr gnus-original-article) article)
13154 (get-buffer gnus-original-article-buffer))
13155 (insert-buffer-substring gnus-original-article-buffer)
13157 ;; Check the backlog.
13158 ((and gnus-keep-backlog
13159 (gnus-backlog-request-article group article (current-buffer)))
13161 ;; Check the cache.
13162 ((and gnus-use-cache
13164 (gnus-cache-request-article article group))
13166 ;; Get the article and put into the article buffer.
13167 ((or (stringp article) (numberp article))
13168 (let ((gnus-override-method
13169 (and (stringp article) gnus-refer-article-method))
13170 (buffer-read-only nil))
13172 (gnus-kill-all-overlays)
13173 (if (gnus-request-article article group (current-buffer))
13175 (and gnus-keep-backlog
13176 (gnus-backlog-enter-article
13177 group article (current-buffer)))
13179 ;; It was a pseudo.
13182 ;; Take the article from the original article buffer
13183 ;; and place it in the buffer it's supposed to be in.
13184 (setq gnus-original-article (cons group article))
13185 (when (and (get-buffer gnus-article-buffer)
13186 (equal (buffer-name (current-buffer))
13187 (buffer-name (get-buffer gnus-article-buffer))))
13189 (if (get-buffer gnus-original-article-buffer)
13190 (set-buffer (get-buffer gnus-original-article-buffer))
13191 (set-buffer (get-buffer-create gnus-original-article-buffer))
13192 (buffer-disable-undo (current-buffer))
13193 (setq major-mode 'gnus-original-article-mode)
13194 (setq buffer-read-only t)
13195 (gnus-add-current-to-buffer-list))
13196 (let (buffer-read-only)
13198 (insert-buffer-substring gnus-article-buffer))))
13200 ;; Update sparse articles.
13201 (when (memq article gnus-newsgroup-sparse)
13202 (gnus-summary-update-article article))))
13204 (defun gnus-read-header (id)
13205 "Read the headers of article ID and enter them into the Gnus system."
13206 (let ((group gnus-newsgroup-name)
13207 (headers gnus-newsgroup-headers)
13209 ;; First we check to see whether the header in question is already
13212 ;; This is a Message-ID.
13213 (setq header (gnus-id-to-header id))
13214 ;; This is an article number.
13215 (setq header (gnus-summary-article-header id)))
13217 ;; We have found the header.
13219 ;; We have to really fetch the header to this article.
13221 (if (gnus-check-backend-function 'request-head group)
13222 (gnus-request-head id group)
13223 (gnus-request-article id group)))
13225 (set-buffer nntp-server-buffer)
13226 (and (search-forward "\n\n" nil t)
13227 (delete-region (1- (point)) (point-max)))
13228 (goto-char (point-max))
13230 (goto-char (point-min))
13239 gnus-reffed-article-number)))
13240 " Article retrieved.\n"))
13241 (if (not (setq header (car (gnus-get-newsgroup-headers))))
13242 () ; Malformed head.
13243 (if (and (stringp id)
13244 (not (string= (gnus-group-real-name group)
13246 ;; If we fetched by Message-ID and the article came
13247 ;; from a different group, we fudge some bogus article
13248 ;; numbers for this article.
13249 (mail-header-set-number header gnus-reffed-article-number))
13250 (decf gnus-reffed-article-number)
13251 (push header gnus-newsgroup-headers)
13252 (setq gnus-current-headers header)
13253 (push (mail-header-number header) gnus-newsgroup-limit)
13256 (defun gnus-article-prepare (article &optional all-headers header)
13257 "Prepare ARTICLE in article mode buffer.
13258 ARTICLE should either be an article number or a Message-ID.
13259 If ARTICLE is an id, HEADER should be the article headers.
13260 If ALL-HEADERS is non-nil, no headers are hidden."
13262 ;; Make sure we start in a summary buffer.
13263 (unless (eq major-mode 'gnus-summary-mode)
13264 (set-buffer gnus-summary-buffer))
13265 (setq gnus-summary-buffer (current-buffer))
13266 ;; Make sure the connection to the server is alive.
13267 (unless (gnus-server-opened
13268 (gnus-find-method-for-group gnus-newsgroup-name))
13269 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
13270 (gnus-request-group gnus-newsgroup-name t))
13271 (let* ((article (if header (mail-header-number header) article))
13272 (summary-buffer (current-buffer))
13273 (internal-hook gnus-article-internal-prepare-hook)
13274 (group gnus-newsgroup-name)
13277 (gnus-article-setup-buffer)
13278 (set-buffer gnus-article-buffer)
13279 ;; Deactivate active regions.
13280 (when (and (boundp 'transient-mark-mode)
13281 transient-mark-mode)
13282 (setq mark-active nil))
13283 (if (not (setq result (let ((buffer-read-only nil))
13284 (gnus-request-article-this-buffer
13286 ;; There is no such article.
13288 (when (and (numberp article)
13289 (not (memq article gnus-newsgroup-sparse)))
13290 (setq gnus-article-current
13291 (cons gnus-newsgroup-name article))
13292 (set-buffer gnus-summary-buffer)
13293 (setq gnus-current-article article)
13294 (gnus-summary-mark-article article gnus-canceled-mark))
13295 (unless (memq article gnus-newsgroup-sparse)
13297 1 "No such article (may have expired or been canceled)")
13300 (if (or (eq result 'pseudo) (eq result 'nneething))
13303 (set-buffer summary-buffer)
13304 (setq gnus-last-article gnus-current-article
13305 gnus-newsgroup-history (cons gnus-current-article
13306 gnus-newsgroup-history)
13307 gnus-current-article 0
13308 gnus-current-headers nil
13309 gnus-article-current nil)
13310 (if (eq result 'nneething)
13311 (gnus-configure-windows 'summary)
13312 (gnus-configure-windows 'article))
13313 (gnus-set-global-variables))
13314 (gnus-set-mode-line 'article))
13315 ;; The result from the `request' was an actual article -
13316 ;; or at least some text that is now displayed in the
13318 (if (and (numberp article)
13319 (not (eq article gnus-current-article)))
13320 ;; Seems like a new article has been selected.
13321 ;; `gnus-current-article' must be an article number.
13323 (set-buffer summary-buffer)
13324 (setq gnus-last-article gnus-current-article
13325 gnus-newsgroup-history (cons gnus-current-article
13326 gnus-newsgroup-history)
13327 gnus-current-article article
13328 gnus-current-headers
13329 (gnus-summary-article-header gnus-current-article)
13330 gnus-article-current
13331 (cons gnus-newsgroup-name gnus-current-article))
13332 (unless (vectorp gnus-current-headers)
13333 (setq gnus-current-headers nil))
13334 (gnus-summary-show-thread)
13335 (run-hooks 'gnus-mark-article-hook)
13336 (gnus-set-mode-line 'summary)
13337 (and (gnus-visual-p 'article-highlight 'highlight)
13338 (run-hooks 'gnus-visual-mark-article-hook))
13339 ;; Set the global newsgroup variables here.
13340 ;; Suggested by Jim Sisolak
13341 ;; <sisolak@trans4.neep.wisc.edu>.
13342 (gnus-set-global-variables)
13343 (setq gnus-have-all-headers
13344 (or all-headers gnus-show-all-headers))
13345 (and gnus-use-cache
13346 (vectorp (gnus-summary-article-header article))
13347 (gnus-cache-possibly-enter-article
13349 (gnus-summary-article-header article)
13350 (memq article gnus-newsgroup-marked)
13351 (memq article gnus-newsgroup-dormant)
13352 (memq article gnus-newsgroup-unreads)))))
13353 ;; Hooks for getting information from the article.
13354 ;; This hook must be called before being narrowed.
13355 (let (buffer-read-only)
13356 (run-hooks 'internal-hook)
13357 (run-hooks 'gnus-article-prepare-hook)
13358 ;; Decode MIME message.
13360 (if (or (not gnus-strict-mime)
13361 (gnus-fetch-field "Mime-Version"))
13362 (funcall gnus-show-mime-method)
13363 (funcall gnus-decode-encoded-word-method)))
13364 ;; Perform the article display hooks.
13365 (run-hooks 'gnus-article-display-hook))
13367 (goto-char (point-min))
13368 (and gnus-break-pages (gnus-narrow-to-page))
13369 (gnus-set-mode-line 'article)
13370 (gnus-configure-windows 'article)
13371 (goto-char (point-min))
13374 (defun gnus-article-show-all-headers ()
13375 "Show all article headers in article mode buffer."
13377 (gnus-article-setup-buffer)
13378 (set-buffer gnus-article-buffer)
13379 (let ((buffer-read-only nil))
13380 (remove-text-properties (point-min) (point-max)
13381 gnus-hidden-properties))))
13383 (defun gnus-article-hide-headers-if-wanted ()
13384 "Hide unwanted headers if `gnus-have-all-headers' is nil.
13385 Provided for backwards compatibility."
13386 (or (save-excursion (set-buffer gnus-summary-buffer) gnus-have-all-headers)
13387 gnus-inhibit-hiding
13388 (gnus-article-hide-headers)))
13390 (defun gnus-article-hide-headers (&optional arg delete)
13391 "Toggle whether to hide unwanted headers and possibly sort them as well.
13392 If given a negative prefix, always show; if given a positive prefix,
13395 (unless (gnus-article-check-hidden-text 'headers arg)
13396 ;; This function might be inhibited.
13397 (unless gnus-inhibit-hiding
13399 (set-buffer gnus-article-buffer)
13401 (let ((buffer-read-only nil)
13402 (ignored (when (not (stringp gnus-visible-headers))
13403 (cond ((stringp gnus-ignored-headers)
13404 gnus-ignored-headers)
13405 ((listp gnus-ignored-headers)
13406 (mapconcat 'identity gnus-ignored-headers
13409 (cond ((stringp gnus-visible-headers)
13410 gnus-visible-headers)
13411 ((and gnus-visible-headers
13412 (listp gnus-visible-headers))
13413 (mapconcat 'identity gnus-visible-headers "\\|"))))
13414 want-list beg want-l)
13415 ;; First we narrow to just the headers.
13417 (goto-char (point-min))
13418 ;; Hide any "From " lines at the beginning of (mail) articles.
13419 (while (looking-at "From ")
13422 (add-text-properties
13423 (point-min) (point)
13424 (nconc (list 'gnus-type 'headers) gnus-hidden-properties)))
13425 ;; Then treat the rest of the header lines.
13428 (progn (search-forward "\n\n" nil t) (forward-line -1) (point)))
13429 ;; Then we use the two regular expressions
13430 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
13431 ;; select which header lines is to remain visible in the
13433 (goto-char (point-min))
13434 (while (re-search-forward "^[^ \t]*:" nil t)
13435 (beginning-of-line)
13436 ;; We add the headers we want to keep to a list and delete
13437 ;; them from the buffer.
13438 (if (or (and visible (looking-at visible))
13439 (and ignored (not (looking-at ignored))))
13441 (push (buffer-substring
13445 ;; Be sure to get multi-line headers...
13446 (re-search-forward "^[^ \t]*:" nil t)
13447 (beginning-of-line)
13450 (delete-region beg (point)))
13452 ;; Sort the headers that we want to display.
13453 (setq want-list (sort want-list 'gnus-article-header-less))
13454 (goto-char (point-min))
13456 (insert (pop want-list)))
13457 ;; We make the unwanted headers invisible.
13459 (delete-region (point-min) (point-max))
13460 ;; Suggested by Sudish Joseph <joseph@cis.ohio-state.edu>.
13461 (add-text-properties
13462 (point) (point-max)
13463 (nconc (list 'gnus-type 'headers)
13464 gnus-hidden-properties)))))))))
13466 (defsubst gnus-article-header-rank (header)
13467 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
13468 (let ((list gnus-sorted-header-list)
13471 (when (string-match (car list) header)
13473 (setq list (cdr list))
13477 (defun gnus-article-header-less (h1 h2)
13478 "Say whether string H1 is \"less\" than string H2."
13479 (< (gnus-article-header-rank h1)
13480 (gnus-article-header-rank h2)))
13482 (defun gnus-article-hide-boring-headers (&optional arg)
13483 "Toggle hiding of headers that aren't very interesting.
13484 If given a negative prefix, always show; if given a positive prefix,
13487 (unless (gnus-article-check-hidden-text 'boring-headers arg)
13489 (set-buffer gnus-article-buffer)
13491 (let ((buffer-read-only nil)
13492 (list gnus-boring-article-headers)
13493 (inhibit-point-motion-hooks t)
13495 (nnheader-narrow-to-headers)
13497 (setq elem (pop list))
13498 (goto-char (point-min))
13500 ;; Hide empty headers.
13502 (while (re-search-forward "^[^:]+:[ \t]\n[^ \t]" nil t)
13504 (add-text-properties
13505 (progn (beginning-of-line) (point))
13508 (if (re-search-forward "^[^ \t]" nil t)
13509 (match-beginning 0)
13511 (nconc (list 'gnus-type 'boring-headers)
13512 gnus-hidden-properties))))
13513 ;; Hide boring Newsgroups header.
13514 ((eq elem 'newsgroups)
13515 (when (equal (mail-fetch-field "newsgroups")
13516 (gnus-group-real-name gnus-newsgroup-name))
13517 (gnus-article-hide-header "newsgroups")))
13518 ((eq elem 'followup-to)
13519 (when (equal (mail-fetch-field "followup-to")
13520 (mail-fetch-field "newsgroups"))
13521 (gnus-article-hide-header "followup-to")))
13522 ((eq elem 'reply-to)
13523 (let ((from (mail-fetch-field "from"))
13524 (reply-to (mail-fetch-field "reply-to")))
13528 (nth 1 (mail-extract-address-components from))
13529 (nth 1 (mail-extract-address-components reply-to))))
13530 (gnus-article-hide-header "reply-to"))))
13532 (let ((date (mail-fetch-field "date")))
13534 (< (gnus-days-between date (current-time-string))
13536 (gnus-article-hide-header "date")))))))))))
13538 (defun gnus-article-hide-header (header)
13540 (goto-char (point-min))
13541 (when (re-search-forward (concat "^" header ":") nil t)
13542 (add-text-properties
13543 (progn (beginning-of-line) (point))
13546 (if (re-search-forward "^[^ \t]" nil t)
13547 (match-beginning 0)
13549 (nconc (list 'gnus-type 'boring-headers)
13550 gnus-hidden-properties)))))
13552 ;; Written by Per Abrahamsen <amanda@iesd.auc.dk>.
13553 (defun gnus-article-treat-overstrike ()
13554 "Translate overstrikes into bold text."
13557 (set-buffer gnus-article-buffer)
13558 (let ((buffer-read-only nil))
13559 (while (search-forward "\b" nil t)
13560 (let ((next (following-char))
13561 (previous (char-after (- (point) 2))))
13562 (cond ((eq next previous)
13563 (put-text-property (- (point) 2) (point) 'invisible t)
13564 (put-text-property (point) (1+ (point)) 'face 'bold))
13566 (put-text-property (1- (point)) (1+ (point)) 'invisible t)
13568 (- (point) 2) (1- (point)) 'face 'underline))
13570 (put-text-property (- (point) 2) (point) 'invisible t)
13572 (point) (1+ (point)) 'face 'underline))))))))
13574 (defun gnus-article-word-wrap ()
13575 "Format too long lines."
13578 (set-buffer gnus-article-buffer)
13579 (let ((buffer-read-only nil)
13582 (goto-char (point-min))
13583 (search-forward "\n\n" nil t)
13585 (let ((paragraph-start "^[>|#:<;* ]*[ \t]*$")
13586 (adaptive-fill-regexp "[ \t]*\\([|#:<;>*]+ *\\)?")
13587 (adaptive-fill-mode t))
13588 (while (not (eobp))
13589 (and (>= (current-column) (min fill-column (window-width)))
13590 (/= (preceding-char) ?:)
13591 (fill-paragraph nil))
13592 (end-of-line 2))))))
13594 (defun gnus-article-remove-cr ()
13595 "Remove carriage returns from an article."
13598 (set-buffer gnus-article-buffer)
13599 (let ((buffer-read-only nil))
13600 (goto-char (point-min))
13601 (while (search-forward "\r" nil t)
13602 (replace-match "" t t)))))
13604 (defun gnus-article-remove-trailing-blank-lines ()
13605 "Remove all trailing blank lines from the article."
13608 (set-buffer gnus-article-buffer)
13609 (let ((buffer-read-only nil))
13610 (goto-char (point-max))
13614 (while (looking-at "^[ \t]*$")
13619 (defun gnus-article-display-x-face (&optional force)
13620 "Look for an X-Face header and display it if present."
13621 (interactive (list 'force))
13623 (set-buffer gnus-article-buffer)
13624 ;; Delete the old process, if any.
13625 (when (process-status "gnus-x-face")
13626 (delete-process "gnus-x-face"))
13627 (let ((inhibit-point-motion-hooks t)
13628 (case-fold-search nil)
13631 (nnheader-narrow-to-headers)
13632 (setq from (mail-fetch-field "from"))
13633 (goto-char (point-min))
13634 (when (and gnus-article-x-face-command
13636 ;; Check whether this face is censored.
13637 (not gnus-article-x-face-too-ugly)
13638 (and gnus-article-x-face-too-ugly from
13639 (not (string-match gnus-article-x-face-too-ugly
13641 ;; Has to be present.
13642 (re-search-forward "^X-Face: " nil t))
13643 ;; We now have the area of the buffer where the X-Face is stored.
13644 (let ((beg (point))
13645 (end (1- (re-search-forward "^\\($\\|[^ \t]\\)" nil t))))
13646 ;; We display the face.
13647 (if (symbolp gnus-article-x-face-command)
13648 ;; The command is a lisp function, so we call it.
13649 (if (gnus-functionp gnus-article-x-face-command)
13650 (funcall gnus-article-x-face-command beg end)
13651 (error "%s is not a function" gnus-article-x-face-command))
13652 ;; The command is a string, so we interpret the command
13653 ;; as a, well, command, and fork it off.
13654 (let ((process-connection-type nil))
13655 (process-kill-without-query
13657 "gnus-x-face" nil "sh" "-c" gnus-article-x-face-command))
13658 (process-send-region "gnus-x-face" beg end)
13659 (process-send-eof "gnus-x-face")))))))))
13661 (defun gnus-headers-decode-quoted-printable ()
13662 "Hack to remove QP encoding from headers."
13663 (let ((case-fold-search t)
13664 (inhibit-point-motion-hooks t)
13666 (goto-char (point-min))
13667 (while (re-search-forward "=\\?iso-8859-1\\?q\\?\\([^?\t\n]*\\)\\?=" nil t)
13668 (setq string (match-string 1))
13669 (narrow-to-region (match-beginning 0) (match-end 0))
13670 (delete-region (point-min) (point-max))
13672 (gnus-mime-decode-quoted-printable (goto-char (point-min)) (point-max))
13673 (subst-char-in-region (point-min) (point-max) ?_ ? )
13675 (goto-char (point-min)))))
13677 (defun gnus-article-de-quoted-unreadable (&optional force)
13678 "Do a naive translation of a quoted-printable-encoded article.
13679 This is in no way, shape or form meant as a replacement for real MIME
13680 processing, but is simply a stop-gap measure until MIME support is
13682 If FORCE, decode the article whether it is marked as quoted-printable
13684 (interactive (list 'force))
13686 (set-buffer gnus-article-buffer)
13687 (let ((case-fold-search t)
13688 (buffer-read-only nil)
13689 (type (gnus-fetch-field "content-transfer-encoding")))
13691 (and type (string-match "quoted-printable" type)))
13692 (gnus-headers-decode-quoted-printable)
13693 (goto-char (point-min))
13694 (search-forward "\n\n" nil 'move)
13695 (gnus-mime-decode-quoted-printable (point) (point-max))))))
13697 (defun gnus-mime-decode-quoted-printable (from to)
13698 "Decode Quoted-Printable in the region between FROM and TO."
13700 (while (search-forward "=" to t)
13701 (cond ((eq (following-char) ?\n)
13704 ((looking-at "[0-9A-F][0-9A-F]")
13706 (insert (hexl-hex-string-to-integer
13707 (buffer-substring (point) (+ 2 (point)))))
13711 ((gnus-message 3 "Malformed MIME quoted-printable message")))))
13713 (defun gnus-article-hide-pgp (&optional arg)
13714 "Toggle hiding of any PGP headers and signatures in the current article.
13715 If given a negative prefix, always show; if given a positive prefix,
13718 (unless (gnus-article-check-hidden-text 'pgp arg)
13720 (set-buffer gnus-article-buffer)
13721 (let ((props (nconc (list 'gnus-type 'pgp) gnus-hidden-properties))
13722 buffer-read-only beg end)
13724 (goto-char (point-min))
13725 ;; Hide the "header".
13726 (and (search-forward "\n-----BEGIN PGP SIGNED MESSAGE-----\n" nil t)
13727 (add-text-properties (match-beginning 0) (match-end 0) props))
13729 ;; Hide the actual signature.
13730 (and (search-forward "\n-----BEGIN PGP SIGNATURE-----\n" nil t)
13731 (setq end (match-beginning 0))
13732 (add-text-properties
13733 (match-beginning 0)
13734 (if (search-forward "\n-----END PGP SIGNATURE-----\n" nil t)
13736 ;; Perhaps we shouldn't hide to the end of the buffer
13737 ;; if there is no end to the signature?
13740 ;; Hide "- " PGP quotation markers.
13741 (when (and beg end)
13742 (narrow-to-region beg end)
13743 (goto-char (point-min))
13744 (while (re-search-forward "^- " nil t)
13745 (add-text-properties (match-beginning 0) (match-end 0) props))
13748 (defun gnus-article-hide-signature (&optional arg)
13749 "Hide the signature in the current article.
13750 If given a negative prefix, always show; if given a positive prefix,
13753 (unless (gnus-article-check-hidden-text 'signature arg)
13755 (set-buffer gnus-article-buffer)
13757 (let ((buffer-read-only nil))
13758 (when (gnus-narrow-to-signature)
13759 (add-text-properties
13760 (point-min) (point-max)
13761 (nconc (list 'gnus-type 'signature)
13762 gnus-hidden-properties))))))))
13764 (defun gnus-narrow-to-signature ()
13765 "Narrow to the signature."
13767 (goto-char (point-max))
13768 (when (re-search-backward gnus-signature-separator nil t)
13770 (when (or (null gnus-signature-limit)
13771 (and (numberp gnus-signature-limit)
13772 (< (- (point-max) (point)) gnus-signature-limit))
13773 (and (gnus-functionp gnus-signature-limit)
13774 (funcall gnus-signature-limit))
13775 (and (stringp gnus-signature-limit)
13776 (not (re-search-forward gnus-signature-limit nil t))))
13777 (narrow-to-region (point) (point-max))
13780 (defun gnus-article-check-hidden-text (type arg)
13781 "Return nil if hiding is necessary."
13783 (set-buffer gnus-article-buffer)
13784 (let ((hide (gnus-article-hidden-text-p type)))
13785 (cond ((or (and (null arg) (eq hide 'hidden))
13786 (and arg (< 0 (prefix-numeric-value arg))))
13787 (gnus-article-show-hidden-text type))
13789 (gnus-article-show-hidden-text type t))
13792 (defun gnus-article-hidden-text-p (type)
13793 "Say whether the current buffer contains hidden text of type TYPE."
13794 (let ((pos (text-property-any (point-min) (point-max) 'gnus-type type))
13797 (if (get-text-property pos 'invisible)
13801 (defun gnus-article-hide (&optional arg force)
13802 "Hide all the gruft in the current article.
13803 This means that PGP stuff, signatures, cited text and (some)
13804 headers will be hidden.
13805 If given a prefix, show the hidden text instead."
13806 (interactive (list current-prefix-arg 'force))
13807 (gnus-article-hide-headers arg)
13808 (gnus-article-hide-pgp arg)
13809 (gnus-article-hide-citation-maybe arg force)
13810 (gnus-article-hide-signature arg))
13812 (defun gnus-article-show-hidden-text (type &optional hide)
13813 "Show all hidden text of type TYPE.
13814 If HIDE, hide the text instead."
13816 (set-buffer gnus-article-buffer)
13817 (let ((buffer-read-only nil)
13818 (inhibit-point-motion-hooks t)
13820 (while (gnus-goto-char (text-property-any
13821 beg (point-max) 'gnus-type type))
13825 (add-text-properties beg (point) gnus-hidden-properties)
13826 (remove-text-properties beg (point) gnus-hidden-properties))
13827 (setq beg (point)))
13830 (defvar gnus-article-time-units
13831 `((year . ,(* 365.25 24 60 60))
13832 (week . ,(* 7 24 60 60))
13833 (day . ,(* 24 60 60))
13834 (hour . ,(* 60 60))
13837 "Mapping from time units to seconds.")
13839 (defun gnus-article-date-ut (&optional type highlight)
13840 "Convert DATE date to universal time in the current article.
13841 If TYPE is `local', convert to local time; if it is `lapsed', output
13842 how much time has lapsed since DATE."
13843 (interactive (list 'ut t))
13844 (let* ((header (or gnus-current-headers
13845 (gnus-summary-article-header) ""))
13846 (date (and (vectorp header) (mail-header-date header)))
13847 (date-regexp "^Date: \\|^X-Sent: ")
13848 (now (current-time))
13849 (inhibit-point-motion-hooks t))
13850 (when (and date (not (string= date "")))
13852 (set-buffer gnus-article-buffer)
13854 (nnheader-narrow-to-headers)
13855 (let ((buffer-read-only nil))
13856 ;; Delete any old Date headers.
13857 (if (zerop (nnheader-remove-header date-regexp t))
13858 (beginning-of-line)
13859 (goto-char (point-max)))
13862 ;; Convert to the local timezone. We have to slap a
13863 ;; `condition-case' round the calls to the timezone
13864 ;; functions since they aren't particularly resistant to
13867 (concat "Date: " (condition-case ()
13868 (timezone-make-date-arpa-standard date)
13871 ;; Convert to Universal Time.
13875 (timezone-make-date-arpa-standard date nil "UT")
13878 ;; Get the original date from the article.
13879 ((eq type 'original)
13880 (concat "Date: " date "\n"))
13881 ;; Do an X-Sent lapsed format.
13883 ;; If the date is seriously mangled, the timezone
13884 ;; functions are liable to bug out, so we condition-case
13885 ;; the entire thing.
13890 (timezone-make-date-arpa-standard
13891 (current-time-string now)
13892 (current-time-zone now) "UT"))
13894 (timezone-make-date-arpa-standard
13897 (real-sec (+ (* (float (car real-time)) 65536)
13899 (sec (abs real-sec))
13905 ;; This is a bit convoluted, but basically we go
13906 ;; through the time units for years, weeks, etc,
13907 ;; and divide things to see whether that results
13908 ;; in positive answers.
13911 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
13912 ;; The (remaining) seconds are too few to
13913 ;; be divided into this time unit.
13915 ;; It's big enough, so we output it.
13916 (setq sec (- sec (* num (cdr unit))))
13918 (concat (if prev ", " "") (int-to-string
13920 " " (symbol-name (car unit))
13921 (if (> num 1) "s" ""))
13923 gnus-article-time-units "")
13924 ;; If dates are odd, then it might appear like the
13925 ;; article was sent in the future.
13928 " in the future\n")))))
13930 (error "Unknown conversion type: %s" type)))))
13931 ;; Do highlighting.
13932 (when (and highlight (gnus-visual-p 'article-highlight 'highlight))
13933 (gnus-article-highlight-headers)))))))
13935 (defun gnus-article-date-local (&optional highlight)
13936 "Convert the current article date to the local timezone."
13937 (interactive (list t))
13938 (gnus-article-date-ut 'local highlight))
13940 (defun gnus-article-date-original (&optional highlight)
13941 "Convert the current article date to what it was originally.
13942 This is only useful if you have used some other date conversion
13943 function and want to see what the date was before converting."
13944 (interactive (list t))
13945 (gnus-article-date-ut 'original highlight))
13947 (defun gnus-article-date-lapsed (&optional highlight)
13948 "Convert the current article date to time lapsed since it was sent."
13949 (interactive (list t))
13950 (gnus-article-date-ut 'lapsed highlight))
13952 (defun gnus-article-maybe-highlight ()
13953 "Do some article highlighting if `gnus-visual' is non-nil."
13954 (if (gnus-visual-p 'article-highlight 'highlight)
13955 (gnus-article-highlight-some)))
13959 (defun gnus-output-to-rmail (file-name)
13960 "Append the current article to an Rmail file named FILE-NAME."
13962 ;; Most of these codes are borrowed from rmailout.el.
13963 (setq file-name (expand-file-name file-name))
13964 (setq rmail-default-rmail-file file-name)
13965 (let ((artbuf (current-buffer))
13966 (tmpbuf (get-buffer-create " *Gnus-output*")))
13968 (or (get-file-buffer file-name)
13969 (file-exists-p file-name)
13970 (if (gnus-yes-or-no-p
13971 (concat "\"" file-name "\" does not exist, create it? "))
13972 (let ((file-buffer (create-file-buffer file-name)))
13974 (set-buffer file-buffer)
13975 (rmail-insert-rmail-file-header)
13976 (let ((require-final-newline nil))
13977 (write-region (point-min) (point-max) file-name t 1)))
13978 (kill-buffer file-buffer))
13979 (error "Output file does not exist")))
13980 (set-buffer tmpbuf)
13981 (buffer-disable-undo (current-buffer))
13983 (insert-buffer-substring artbuf)
13984 (gnus-convert-article-to-rmail)
13985 ;; Decide whether to append to a file or to an Emacs buffer.
13986 (let ((outbuf (get-file-buffer file-name)))
13988 (append-to-file (point-min) (point-max) file-name)
13989 ;; File has been visited, in buffer OUTBUF.
13990 (set-buffer outbuf)
13991 (let ((buffer-read-only nil)
13992 (msg (and (boundp 'rmail-current-message)
13993 (symbol-value 'rmail-current-message))))
13994 ;; If MSG is non-nil, buffer is in RMAIL mode.
13997 (narrow-to-region (point-max) (point-max))))
13998 (insert-buffer-substring tmpbuf)
14001 (goto-char (point-min))
14003 (search-backward "\^_")
14004 (narrow-to-region (point) (point-max))
14005 (goto-char (1+ (point-min)))
14006 (rmail-count-new-messages t)
14007 (rmail-show-message msg)))))))
14008 (kill-buffer tmpbuf)))
14010 (defun gnus-output-to-file (file-name)
14011 "Append the current article to a file named FILE-NAME."
14012 (setq file-name (expand-file-name file-name))
14013 (let ((artbuf (current-buffer))
14014 (tmpbuf (get-buffer-create " *Gnus-output*")))
14016 (set-buffer tmpbuf)
14017 (buffer-disable-undo (current-buffer))
14019 (insert-buffer-substring artbuf)
14020 ;; Append newline at end of the buffer as separator, and then
14021 ;; save it to file.
14022 (goto-char (point-max))
14024 (append-to-file (point-min) (point-max) file-name))
14025 (kill-buffer tmpbuf)))
14027 (defun gnus-convert-article-to-rmail ()
14028 "Convert article in current buffer to Rmail message format."
14029 (let ((buffer-read-only nil))
14030 ;; Convert article directly into Babyl format.
14031 ;; Suggested by Rob Austein <sra@lcs.mit.edu>
14032 (goto-char (point-min))
14033 (insert "\^L\n0, unseen,,\n*** EOOH ***\n")
14034 (while (search-forward "\n\^_" nil t) ;single char
14035 (replace-match "\n^_" t t)) ;2 chars: "^" and "_"
14036 (goto-char (point-max))
14039 (defun gnus-narrow-to-page (&optional arg)
14040 "Narrow the article buffer to a page.
14041 If given a numerical ARG, move forward ARG pages."
14043 (setq arg (if arg (prefix-numeric-value arg) 0))
14045 (set-buffer gnus-article-buffer)
14046 (goto-char (point-min))
14048 (when (gnus-visual-p 'page-marker)
14049 (let ((buffer-read-only nil))
14050 (gnus-remove-text-with-property 'gnus-prev)
14051 (gnus-remove-text-with-property 'gnus-next)))
14054 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
14056 (re-search-forward page-delimiter nil 'move arg)))
14057 (goto-char (match-end 0)))
14060 (if (re-search-forward page-delimiter nil 'move)
14061 (match-beginning 0)
14063 (when (and (gnus-visual-p 'page-marker)
14064 (not (= (point-min) 1)))
14066 (goto-char (point-min))
14067 (gnus-insert-prev-page-button)))
14068 (when (and (gnus-visual-p 'page-marker)
14069 (not (= (1- (point-max)) (buffer-size))))
14071 (goto-char (point-max))
14072 (gnus-insert-next-page-button)))))
14074 ;; Article mode commands
14076 (defun gnus-article-goto-next-page ()
14077 "Show the next page of the article."
14079 (when (gnus-article-next-page)
14080 (gnus-article-read-summary-keys nil ?n)))
14082 (defun gnus-article-goto-prev-page ()
14083 "Show the next page of the article."
14085 (if (bobp) (gnus-article-read-summary-keys nil ?n)
14086 (gnus-article-prev-page nil)))
14088 (defun gnus-article-next-page (&optional lines)
14089 "Show the next page of the current article.
14090 If end of article, return non-nil. Otherwise return nil.
14091 Argument LINES specifies lines to be scrolled up."
14093 (move-to-window-line -1)
14094 ;; Fixed by enami@ptgd.sony.co.jp (enami tsugutomo)
14095 (if (save-excursion
14097 (and (pos-visible-in-window-p) ;Not continuation line.
14099 ;; Nothing in this page.
14100 (if (or (not gnus-break-pages)
14103 (widen) (forward-line 1) (eobp)))) ;Real end-of-buffer?
14105 (gnus-narrow-to-page 1) ;Go to next page.
14107 ;; More in this page.
14111 ;; Long lines may cause an end-of-buffer error.
14112 (goto-char (point-max))))
14115 (defun gnus-article-prev-page (&optional lines)
14116 "Show previous page of current article.
14117 Argument LINES specifies lines to be scrolled down."
14119 (move-to-window-line 0)
14120 (if (and gnus-break-pages
14122 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
14124 (gnus-narrow-to-page -1) ;Go to previous page.
14125 (goto-char (point-max))
14128 (scroll-down lines)
14131 (defun gnus-article-refer-article ()
14132 "Read article specified by message-id around point."
14134 (let ((point (point)))
14135 (search-forward ">" nil t) ;Move point to end of "<....>".
14136 (if (re-search-backward "\\(<[^<> \t\n]+>\\)" nil t)
14137 (let ((message-id (match-string 1)))
14139 (set-buffer gnus-summary-buffer)
14140 (gnus-summary-refer-article message-id))
14141 (goto-char (point))
14142 (error "No references around point"))))
14144 (defun gnus-article-show-summary ()
14145 "Reconfigure windows to show summary buffer."
14147 (gnus-configure-windows 'article)
14148 (gnus-summary-goto-subject gnus-current-article))
14150 (defun gnus-article-describe-briefly ()
14151 "Describe article mode commands briefly."
14154 (substitute-command-keys "\\<gnus-article-mode-map>\\[gnus-article-next-page]:Next page \\[gnus-article-prev-page]:Prev page \\[gnus-article-show-summary]:Show summary \\[gnus-info-find-node]:Run Info \\[gnus-article-describe-briefly]:This help")))
14156 (defun gnus-article-summary-command ()
14157 "Execute the last keystroke in the summary buffer."
14159 (let ((obuf (current-buffer))
14160 (owin (current-window-configuration))
14162 (switch-to-buffer gnus-summary-buffer 'norecord)
14163 (setq func (lookup-key (current-local-map) (this-command-keys)))
14164 (call-interactively func)
14166 (set-window-configuration owin)
14167 (set-window-point (get-buffer-window (current-buffer)) (point))))
14169 (defun gnus-article-summary-command-nosave ()
14170 "Execute the last keystroke in the summary buffer."
14173 (pop-to-buffer gnus-summary-buffer 'norecord)
14174 (setq func (lookup-key (current-local-map) (this-command-keys)))
14175 (call-interactively func)))
14177 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
14178 "Read a summary buffer key sequence and execute it from the article buffer."
14181 '("q" "Q" "c" "r" "R" "\C-c\C-f" "m" "a" "f" "F"
14182 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
14186 (set-buffer gnus-summary-buffer)
14187 (push (or key last-command-event) unread-command-events)
14188 (setq keys (read-key-sequence nil)))
14191 (if (member keys nosaves)
14193 (pop-to-buffer gnus-summary-buffer 'norecord)
14194 (if (setq func (lookup-key (current-local-map) keys))
14195 (call-interactively func)
14197 (let ((obuf (current-buffer))
14198 (owin (current-window-configuration))
14201 (if not-restore-window
14202 (pop-to-buffer gnus-summary-buffer 'norecord)
14203 (switch-to-buffer gnus-summary-buffer 'norecord))
14204 (setq in-buffer (current-buffer))
14205 (if (setq func (lookup-key (current-local-map) keys))
14206 (call-interactively func)
14208 (when (eq in-buffer (current-buffer))
14210 (unless not-restore-window
14211 (set-window-configuration owin))
14212 (set-window-point (get-buffer-window (current-buffer)) opoint))))))
14216 ;;; Kill file handling.
14220 (defalias 'gnus-batch-kill 'gnus-batch-score)
14222 (defun gnus-batch-score ()
14223 "Run batched scoring.
14224 Usage: emacs -batch -l gnus -f gnus-batch-score <newsgroups> ...
14225 Newsgroups is a list of strings in Bnews format. If you want to score
14226 the comp hierarchy, you'd say \"comp.all\". If you would not like to
14227 score the alt hierarchy, you'd say \"!alt.all\"."
14230 (gnus-newsrc-parse-options
14231 (apply (function concat)
14232 (mapcar (lambda (g) (concat g " "))
14233 command-line-args-left))))
14234 (gnus-expert-user t)
14235 (nnmail-spool-file nil)
14236 (gnus-use-dribble-file nil)
14237 (yes (car yes-and-no))
14238 (no (cdr yes-and-no))
14240 ;; Disable verbose message.
14241 gnus-novice-user gnus-large-newsgroup)
14242 ;; Eat all arguments.
14243 (setq command-line-args-left nil)
14246 ;; Apply kills to specified newsgroups in command line arguments.
14247 (setq newsrc (cdr gnus-newsrc-alist))
14249 (setq group (caar newsrc))
14250 (setq entry (gnus-gethash group gnus-newsrc-hashtb))
14251 (if (and (<= (nth 1 (car newsrc)) gnus-level-subscribed)
14253 (or (eq (car entry) t)
14254 (not (zerop (car entry)))))
14255 (if yes (string-match yes group) t)
14256 (or (null no) (not (string-match no group))))
14258 (gnus-summary-read-group group nil t nil t)
14259 (and (eq (current-buffer) (get-buffer gnus-summary-buffer))
14260 (gnus-summary-exit))))
14261 (setq newsrc (cdr newsrc)))
14263 (switch-to-buffer gnus-group-buffer)
14264 (gnus-group-save-newsrc)))
14266 (defun gnus-apply-kill-file ()
14267 "Apply a kill file to the current newsgroup.
14268 Returns the number of articles marked as read."
14269 (if (or (file-exists-p (gnus-newsgroup-kill-file nil))
14270 (file-exists-p (gnus-newsgroup-kill-file gnus-newsgroup-name)))
14271 (gnus-apply-kill-file-internal)
14274 (defun gnus-kill-save-kill-buffer ()
14275 (let ((file (gnus-newsgroup-kill-file gnus-newsgroup-name)))
14276 (when (get-file-buffer file)
14278 (set-buffer (get-file-buffer file))
14279 (and (buffer-modified-p) (save-buffer))
14280 (kill-buffer (current-buffer))))))
14282 (defvar gnus-kill-file-name "KILL"
14283 "Suffix of the kill files.")
14285 (defun gnus-newsgroup-kill-file (newsgroup)
14286 "Return the name of a kill file name for NEWSGROUP.
14287 If NEWSGROUP is nil, return the global kill file name instead."
14289 ;; The global KILL file is placed at top of the directory.
14290 ((or (null newsgroup)
14291 (string-equal newsgroup ""))
14292 (expand-file-name gnus-kill-file-name
14293 (or gnus-kill-files-directory "~/News")))
14294 ;; Append ".KILL" to newsgroup name.
14295 ((gnus-use-long-file-name 'not-kill)
14296 (expand-file-name (concat (gnus-newsgroup-savable-name newsgroup)
14297 "." gnus-kill-file-name)
14298 (or gnus-kill-files-directory "~/News")))
14299 ;; Place "KILL" under the hierarchical directory.
14301 (expand-file-name (concat (gnus-newsgroup-directory-form newsgroup)
14302 "/" gnus-kill-file-name)
14303 (or gnus-kill-files-directory "~/News")))))
14310 (defvar gnus-dribble-ignore nil)
14311 (defvar gnus-dribble-eval-file nil)
14313 (defun gnus-dribble-file-name ()
14314 "Return the dribble file for the current .newsrc."
14316 (if gnus-dribble-directory
14317 (concat (file-name-as-directory gnus-dribble-directory)
14318 (file-name-nondirectory gnus-current-startup-file))
14319 gnus-current-startup-file)
14322 (defun gnus-dribble-enter (string)
14323 "Enter STRING into the dribble buffer."
14324 (if (and (not gnus-dribble-ignore)
14325 gnus-dribble-buffer
14326 (buffer-name gnus-dribble-buffer))
14327 (let ((obuf (current-buffer)))
14328 (set-buffer gnus-dribble-buffer)
14329 (insert string "\n")
14330 (set-window-point (get-buffer-window (current-buffer)) (point-max))
14331 (set-buffer obuf))))
14333 (defun gnus-dribble-read-file ()
14334 "Read the dribble file from disk."
14335 (let ((dribble-file (gnus-dribble-file-name)))
14337 (set-buffer (setq gnus-dribble-buffer
14339 (file-name-nondirectory dribble-file))))
14340 (gnus-add-current-to-buffer-list)
14342 (setq buffer-file-name dribble-file)
14344 (buffer-disable-undo (current-buffer))
14345 (bury-buffer (current-buffer))
14346 (set-buffer-modified-p nil)
14347 (let ((auto (make-auto-save-file-name))
14348 (gnus-dribble-ignore t))
14349 (when (or (file-exists-p auto) (file-exists-p dribble-file))
14350 ;; Load whichever file is newest -- the auto save file
14351 ;; or the "real" file.
14352 (if (file-newer-than-file-p auto dribble-file)
14353 (insert-file-contents auto)
14354 (insert-file-contents dribble-file))
14355 (unless (zerop (buffer-size))
14356 (set-buffer-modified-p t))
14357 ;; Set the file modes to reflect the .newsrc file modes.
14359 (when (file-exists-p gnus-current-startup-file)
14360 (set-file-modes dribble-file
14361 (file-modes gnus-current-startup-file)))
14362 ;; Possibly eval the file later.
14363 (when (gnus-y-or-n-p
14364 "Auto-save file exists. Do you want to read it? ")
14365 (setq gnus-dribble-eval-file t)))))))
14367 (defun gnus-dribble-eval-file ()
14368 (if (not gnus-dribble-eval-file)
14370 (setq gnus-dribble-eval-file nil)
14372 (let ((gnus-dribble-ignore t))
14373 (set-buffer gnus-dribble-buffer)
14374 (eval-buffer (current-buffer))))))
14376 (defun gnus-dribble-delete-file ()
14377 (if (file-exists-p (gnus-dribble-file-name))
14378 (delete-file (gnus-dribble-file-name)))
14379 (if gnus-dribble-buffer
14381 (set-buffer gnus-dribble-buffer)
14382 (let ((auto (make-auto-save-file-name)))
14383 (if (file-exists-p auto)
14384 (delete-file auto))
14386 (set-buffer-modified-p nil)))))
14388 (defun gnus-dribble-save ()
14389 (if (and gnus-dribble-buffer
14390 (buffer-name gnus-dribble-buffer))
14392 (set-buffer gnus-dribble-buffer)
14395 (defun gnus-dribble-clear ()
14397 (if (gnus-buffer-exists-p gnus-dribble-buffer)
14399 (set-buffer gnus-dribble-buffer)
14401 (set-buffer-modified-p nil)
14402 (setq buffer-saved-size (buffer-size))))))
14406 ;;; Server Communication
14409 (defun gnus-start-news-server (&optional confirm)
14410 "Open a method for getting news.
14411 If CONFIRM is non-nil, the user will be asked for an NNTP server."
14413 (if gnus-current-select-method
14414 ;; Stream is already opened.
14416 ;; Open NNTP server.
14417 (if (null gnus-nntp-service) (setq gnus-nntp-server nil))
14420 ;; Read server name with completion.
14421 (setq gnus-nntp-server
14422 (completing-read "NNTP server: "
14423 (mapcar (lambda (server) (list server))
14424 (cons (list gnus-nntp-server)
14425 gnus-secondary-servers))
14426 nil nil gnus-nntp-server))))
14428 (if (and gnus-nntp-server
14429 (stringp gnus-nntp-server)
14430 (not (string= gnus-nntp-server "")))
14431 (setq gnus-select-method
14432 (cond ((or (string= gnus-nntp-server "")
14433 (string= gnus-nntp-server "::"))
14434 (list 'nnspool (system-name)))
14435 ((string-match "^:" gnus-nntp-server)
14436 (list 'nnmh gnus-nntp-server
14437 (list 'nnmh-directory
14438 (file-name-as-directory
14440 (concat "~/" (substring
14441 gnus-nntp-server 1)))))
14442 (list 'nnmh-get-new-mail nil)))
14444 (list 'nntp gnus-nntp-server)))))
14446 (setq how (car gnus-select-method))
14447 (cond ((eq how 'nnspool)
14449 (gnus-message 5 "Looking up local news spool..."))
14452 (gnus-message 5 "Looking up mh spool..."))
14455 (setq gnus-current-select-method gnus-select-method)
14456 (run-hooks 'gnus-open-server-hook)
14458 ;; gnus-open-server-hook might have opened it
14459 (gnus-server-opened gnus-select-method)
14460 (gnus-open-server gnus-select-method)
14463 "%s (%s) open error: '%s'. Continue? "
14464 (car gnus-select-method) (cadr gnus-select-method)
14465 (gnus-status-message gnus-select-method)))
14467 (gnus-message 1 "Couldn't open server on %s"
14468 (nth 1 gnus-select-method))
14472 (defun gnus-check-group (group)
14473 "Try to make sure that the server where GROUP exists is alive."
14474 (let ((method (gnus-find-method-for-group group)))
14475 (or (gnus-server-opened method)
14476 (gnus-open-server method))))
14478 (defun gnus-check-server (&optional method silent)
14479 "Check whether the connection to METHOD is down.
14480 If METHOD is nil, use `gnus-select-method'.
14481 If it is down, start it up (again)."
14482 (let ((method (or method gnus-select-method)))
14483 ;; Transform virtual server names into select methods.
14484 (when (stringp method)
14485 (setq method (gnus-server-to-method method)))
14486 (if (gnus-server-opened method)
14487 ;; The stream is already opened.
14489 ;; Open the server.
14491 (gnus-message 5 "Opening %s server%s..." (car method)
14492 (if (equal (nth 1 method) "") ""
14493 (format " on %s" (nth 1 method)))))
14494 (run-hooks 'gnus-open-server-hook)
14496 (gnus-open-server method)
14500 (defun gnus-get-function (method function)
14501 "Return a function symbol based on METHOD and FUNCTION."
14502 ;; Translate server names into methods.
14504 (error "Attempted use of a nil select method"))
14505 (when (stringp method)
14506 (setq method (gnus-server-to-method method)))
14507 (let ((func (intern (format "%s-%s" (car method) function))))
14508 ;; If the functions isn't bound, we require the backend in
14510 (unless (fboundp func)
14511 (require (car method))
14512 (unless (fboundp func)
14513 ;; This backend doesn't implement this function.
14514 (error "No such function: %s" func)))
14519 ;;; Interface functions to the backends.
14522 (defun gnus-open-server (method)
14523 "Open a connection to METHOD."
14524 (let ((elem (assoc method gnus-opened-servers)))
14525 ;; If this method was previously denied, we just return nil.
14526 (if (eq (nth 1 elem) 'denied)
14528 (gnus-message 1 "Denied server")
14530 ;; Open the server.
14532 (funcall (gnus-get-function method 'open-server)
14533 (nth 1 method) (nthcdr 2 method))))
14534 ;; If this hasn't been opened before, we add it to the list.
14536 (setq elem (list method nil)
14537 gnus-opened-servers (cons elem gnus-opened-servers)))
14538 ;; Set the status of this server.
14539 (setcar (cdr elem) (if result 'ok 'denied))
14540 ;; Return the result from the "open" call.
14543 (defun gnus-close-server (method)
14544 "Close the connection to METHOD."
14545 (funcall (gnus-get-function method 'close-server) (nth 1 method)))
14547 (defun gnus-request-list (method)
14548 "Request the active file from METHOD."
14549 (funcall (gnus-get-function method 'request-list) (nth 1 method)))
14551 (defun gnus-request-list-newsgroups (method)
14552 "Request the newsgroups file from METHOD."
14553 (funcall (gnus-get-function method 'request-list-newsgroups) (nth 1 method)))
14555 (defun gnus-request-newgroups (date method)
14556 "Request all new groups since DATE from METHOD."
14557 (funcall (gnus-get-function method 'request-newgroups)
14558 date (nth 1 method)))
14560 (defun gnus-server-opened (method)
14561 "Check whether a connection to METHOD has been opened."
14562 (funcall (gnus-get-function method 'server-opened) (nth 1 method)))
14564 (defun gnus-status-message (method)
14565 "Return the status message from METHOD.
14566 If METHOD is a string, it is interpreted as a group name. The method
14567 this group uses will be queried."
14568 (let ((method (if (stringp method) (gnus-find-method-for-group method)
14570 (funcall (gnus-get-function method 'status-message) (nth 1 method))))
14572 (defun gnus-request-group (group &optional dont-check method)
14573 "Request GROUP. If DONT-CHECK, no information is required."
14574 (let ((method (or method (gnus-find-method-for-group group))))
14575 (funcall (gnus-get-function method 'request-group)
14576 (gnus-group-real-name group) (nth 1 method) dont-check)))
14578 (defun gnus-request-asynchronous (group &optional articles)
14579 "Request that GROUP behave asynchronously.
14580 ARTICLES is the `data' of the group."
14581 (let ((method (gnus-find-method-for-group group)))
14582 (funcall (gnus-get-function method 'request-asynchronous)
14583 (gnus-group-real-name group) (nth 1 method) articles)))
14585 (defun gnus-list-active-group (group)
14586 "Request active information on GROUP."
14587 (let ((method (gnus-find-method-for-group group))
14588 (func 'list-active-group))
14589 (when (gnus-check-backend-function func group)
14590 (funcall (gnus-get-function method func)
14591 (gnus-group-real-name group) (nth 1 method)))))
14593 (defun gnus-request-group-description (group)
14594 "Request a description of GROUP."
14595 (let ((method (gnus-find-method-for-group group))
14596 (func 'request-group-description))
14597 (when (gnus-check-backend-function func group)
14598 (funcall (gnus-get-function method func)
14599 (gnus-group-real-name group) (nth 1 method)))))
14601 (defun gnus-close-group (group)
14602 "Request the GROUP be closed."
14603 (let ((method (gnus-find-method-for-group group)))
14604 (funcall (gnus-get-function method 'close-group)
14605 (gnus-group-real-name group) (nth 1 method))))
14607 (defun gnus-retrieve-headers (articles group &optional fetch-old)
14608 "Request headers for ARTICLES in GROUP.
14609 If FETCH-OLD, retrieve all headers (or some subset thereof) in the group."
14610 (let ((method (gnus-find-method-for-group group)))
14611 (if (and gnus-use-cache (numberp (car articles)))
14612 (gnus-cache-retrieve-headers articles group fetch-old)
14613 (funcall (gnus-get-function method 'retrieve-headers)
14614 articles (gnus-group-real-name group) (nth 1 method)
14617 (defun gnus-retrieve-groups (groups method)
14618 "Request active information on GROUPS from METHOD."
14619 (funcall (gnus-get-function method 'retrieve-groups) groups (nth 1 method)))
14621 (defun gnus-request-type (group &optional article)
14622 "Return the type (`post' or `mail') of GROUP (and ARTICLE)."
14623 (let ((method (gnus-find-method-for-group group)))
14624 (if (not (gnus-check-backend-function 'request-type (car method)))
14626 (funcall (gnus-get-function method 'request-type)
14627 (gnus-group-real-name group) article))))
14629 (defun gnus-request-update-mark (group article mark)
14630 "Return the type (`post' or `mail') of GROUP (and ARTICLE)."
14631 (let ((method (gnus-find-method-for-group group)))
14632 (if (not (gnus-check-backend-function 'request-update-mark (car method)))
14634 (funcall (gnus-get-function method 'request-update-mark)
14635 (gnus-group-real-name group) article mark))))
14637 (defun gnus-request-article (article group &optional buffer)
14638 "Request the ARTICLE in GROUP.
14639 ARTICLE can either be an article number or an article Message-ID.
14640 If BUFFER, insert the article in that group."
14641 (let ((method (gnus-find-method-for-group group)))
14642 (funcall (gnus-get-function method 'request-article)
14643 article (gnus-group-real-name group) (nth 1 method) buffer)))
14645 (defun gnus-request-head (article group)
14646 "Request the head of ARTICLE in GROUP."
14647 (let ((method (gnus-find-method-for-group group)))
14648 (funcall (gnus-get-function method 'request-head)
14649 article (gnus-group-real-name group) (nth 1 method))))
14651 (defun gnus-request-body (article group)
14652 "Request the body of ARTICLE in GROUP."
14653 (let ((method (gnus-find-method-for-group group)))
14654 (funcall (gnus-get-function method 'request-body)
14655 article (gnus-group-real-name group) (nth 1 method))))
14657 (defun gnus-request-post (method)
14658 "Post the current buffer using METHOD."
14659 (funcall (gnus-get-function method 'request-post) (nth 1 method)))
14661 (defun gnus-request-scan (group method)
14662 "Request a SCAN being performed in GROUP from METHOD.
14663 If GROUP is nil, all groups on METHOD are scanned."
14664 (let ((method (if group (gnus-find-method-for-group group) method)))
14665 (funcall (gnus-get-function method 'request-scan)
14666 (and group (gnus-group-real-name group)) (nth 1 method))))
14668 (defsubst gnus-request-update-info (info method)
14669 "Request that METHOD update INFO."
14670 (when (gnus-check-backend-function 'request-update-info (car method))
14671 (funcall (gnus-get-function method 'request-update-info)
14672 (gnus-group-real-name (gnus-info-group info))
14673 info (nth 1 method))))
14675 (defun gnus-request-expire-articles (articles group &optional force)
14676 (let ((method (gnus-find-method-for-group group)))
14677 (funcall (gnus-get-function method 'request-expire-articles)
14678 articles (gnus-group-real-name group) (nth 1 method)
14681 (defun gnus-request-move-article
14682 (article group server accept-function &optional last)
14683 (let ((method (gnus-find-method-for-group group)))
14684 (funcall (gnus-get-function method 'request-move-article)
14685 article (gnus-group-real-name group)
14686 (nth 1 method) accept-function last)))
14688 (defun gnus-request-accept-article (group &optional last method)
14689 ;; Make sure there's a newline at the end of the article.
14690 (goto-char (point-max))
14693 (let ((func (if (symbolp group) group
14694 (car (or method (gnus-find-method-for-group group))))))
14695 (funcall (intern (format "%s-request-accept-article" func))
14696 (if (stringp group) (gnus-group-real-name group) group)
14699 (defun gnus-request-replace-article (article group buffer)
14700 (let ((func (car (gnus-find-method-for-group group))))
14701 (funcall (intern (format "%s-request-replace-article" func))
14702 article (gnus-group-real-name group) buffer)))
14704 (defun gnus-request-associate-buffer (group)
14705 (let ((method (gnus-find-method-for-group group)))
14706 (funcall (gnus-get-function method 'request-associate-buffer)
14707 (gnus-group-real-name group))))
14709 (defun gnus-request-restore-buffer (article group)
14710 "Request a new buffer restored to the state of ARTICLE."
14711 (let ((method (gnus-find-method-for-group group)))
14712 (funcall (gnus-get-function method 'request-restore-buffer)
14713 article (gnus-group-real-name group) (nth 1 method))))
14715 (defun gnus-request-create-group (group &optional method)
14716 (let ((method (or method (gnus-find-method-for-group group))))
14717 (funcall (gnus-get-function method 'request-create-group)
14718 (gnus-group-real-name group) (nth 1 method))))
14720 (defun gnus-request-delete-group (group &optional force)
14721 (let ((method (gnus-find-method-for-group group)))
14722 (funcall (gnus-get-function method 'request-delete-group)
14723 (gnus-group-real-name group) force (nth 1 method))))
14725 (defun gnus-request-rename-group (group new-name)
14726 (let ((method (gnus-find-method-for-group group)))
14727 (funcall (gnus-get-function method 'request-rename-group)
14728 (gnus-group-real-name group)
14729 (gnus-group-real-name new-name) (nth 1 method))))
14731 (defun gnus-member-of-valid (symbol group)
14732 "Find out if GROUP has SYMBOL as part of its \"valid\" spec."
14733 (memq symbol (assoc
14734 (symbol-name (car (gnus-find-method-for-group group)))
14735 gnus-valid-select-methods)))
14737 (defun gnus-method-option-p (method option)
14738 "Return non-nil if select METHOD has OPTION as a parameter."
14739 (memq option (assoc (format "%s" (car method))
14740 gnus-valid-select-methods)))
14742 (defun gnus-server-extend-method (group method)
14743 ;; This function "extends" a virtual server. If the server is
14744 ;; "hello", and the select method is ("hello" (my-var "something"))
14745 ;; in the group "alt.alt", this will result in a new virtual server
14746 ;; called "hello+alt.alt".
14748 (gnus-copy-sequence
14749 (if (equal (car method) "native") gnus-select-method
14750 (cdr (assoc (car method) gnus-server-alist))))))
14751 (setcar (cdr entry) (concat (nth 1 entry) "+" group))
14752 (nconc entry (cdr method))))
14754 (defun gnus-find-method-for-group (group &optional info)
14755 "Find the select method that GROUP uses."
14756 (or gnus-override-method
14758 gnus-select-method)
14759 (let ((info (or info (gnus-get-info group)))
14762 (not (setq method (gnus-info-method info)))
14763 (equal method "native"))
14766 (cond ((stringp method)
14767 (gnus-server-to-method method))
14768 ((stringp (car method))
14769 (gnus-server-extend-method group method))
14772 (if (equal (cadr method) "")
14774 (gnus-server-add-address method))))))
14776 (defun gnus-check-backend-function (func group)
14777 "Check whether GROUP supports function FUNC."
14778 (let ((method (if (stringp group) (car (gnus-find-method-for-group group))
14780 (fboundp (intern (format "%s-%s" method func)))))
14782 (defun gnus-methods-using (feature)
14783 "Find all methods that have FEATURE."
14784 (let ((valids gnus-valid-select-methods)
14787 (if (memq feature (car valids))
14788 (setq outs (cons (car valids) outs)))
14789 (setq valids (cdr valids)))
14794 ;;; Active & Newsrc File Handling
14797 (defun gnus-setup-news (&optional rawfile level)
14798 "Setup news information.
14799 If RAWFILE is non-nil, the .newsrc file will also be read.
14800 If LEVEL is non-nil, the news will be set up at level LEVEL."
14801 (let ((init (not (and gnus-newsrc-alist gnus-active-hashtb (not rawfile)))))
14802 ;; Clear some variables to re-initialize news information.
14803 (if init (setq gnus-newsrc-alist nil
14804 gnus-active-hashtb nil))
14806 ;; Read the newsrc file and create `gnus-newsrc-hashtb'.
14807 (if init (gnus-read-newsrc-file rawfile))
14809 (when (and (not (assoc "archive" gnus-server-alist))
14810 gnus-message-archive-method)
14811 (push (cons "archive" gnus-message-archive-method)
14812 gnus-server-alist))
14814 ;; If we don't read the complete active file, we fill in the
14816 (if (or (null gnus-read-active-file)
14817 (eq gnus-read-active-file 'some))
14818 (gnus-update-active-hashtb-from-killed))
14820 ;; Read the active file and create `gnus-active-hashtb'.
14821 ;; If `gnus-read-active-file' is nil, then we just create an empty
14822 ;; hash table. The partial filling out of the hash table will be
14823 ;; done in `gnus-get-unread-articles'.
14824 (and gnus-read-active-file
14826 (gnus-read-active-file))
14828 (or gnus-active-hashtb
14829 (setq gnus-active-hashtb (make-vector 4095 0)))
14831 ;; Initialize the cache.
14832 (when gnus-use-cache
14835 ;; Possibly eval the dribble file.
14836 (and init (or gnus-use-dribble-file gnus-slave) (gnus-dribble-eval-file))
14838 (gnus-update-format-specifications)
14840 ;; Find new newsgroups and treat them.
14841 (if (and init gnus-check-new-newsgroups (not level)
14842 (gnus-check-server gnus-select-method))
14843 (gnus-find-new-newsgroups))
14845 ;; Find the number of unread articles in each non-dead group.
14846 (let ((gnus-read-active-file (and (not level) gnus-read-active-file)))
14847 (gnus-get-unread-articles level))
14849 (if (and init gnus-check-bogus-newsgroups
14850 gnus-read-active-file (not level)
14851 (gnus-server-opened gnus-select-method))
14852 (gnus-check-bogus-newsgroups))))
14854 (defun gnus-find-new-newsgroups (&optional arg)
14855 "Search for new newsgroups and add them.
14856 Each new newsgroup will be treated with `gnus-subscribe-newsgroup-method.'
14857 The `-n' option line from .newsrc is respected.
14858 If ARG (the prefix), use the `ask-server' method to query
14859 the server for new groups."
14861 (let ((check (if (or (and arg (not (listp gnus-check-new-newsgroups)))
14862 (null gnus-read-active-file)
14863 (eq gnus-read-active-file 'some))
14864 'ask-server gnus-check-new-newsgroups)))
14865 (unless (gnus-check-first-time-used)
14866 (if (or (consp check)
14867 (eq check 'ask-server))
14868 ;; Ask the server for new groups.
14869 (gnus-ask-server-for-new-groups)
14870 ;; Go through the active hashtb and look for new groups.
14872 group new-newsgroups)
14873 (gnus-message 5 "Looking for new newsgroups...")
14874 (unless gnus-have-read-active-file
14875 (gnus-read-active-file))
14876 (setq gnus-newsrc-last-checked-date (current-time-string))
14877 (unless gnus-killed-hashtb
14878 (gnus-make-hashtable-from-killed))
14879 ;; Go though every newsgroup in `gnus-active-hashtb' and compare
14880 ;; with `gnus-newsrc-hashtb' and `gnus-killed-hashtb'.
14883 (if (or (null (setq group (symbol-name sym)))
14885 (null (symbol-value sym))
14886 (gnus-gethash group gnus-killed-hashtb)
14887 (gnus-gethash group gnus-newsrc-hashtb))
14889 (let ((do-sub (gnus-matches-options-n group)))
14891 ((eq do-sub 'subscribe)
14892 (setq groups (1+ groups))
14893 (gnus-sethash group group gnus-killed-hashtb)
14894 (funcall gnus-subscribe-options-newsgroup-method group))
14895 ((eq do-sub 'ignore)
14898 (setq groups (1+ groups))
14899 (gnus-sethash group group gnus-killed-hashtb)
14900 (if gnus-subscribe-hierarchical-interactive
14901 (setq new-newsgroups (cons group new-newsgroups))
14902 (funcall gnus-subscribe-newsgroup-method group)))))))
14903 gnus-active-hashtb)
14904 (when new-newsgroups
14905 (gnus-subscribe-hierarchical-interactive new-newsgroups))
14906 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
14908 (gnus-message 6 "%d new newsgroup%s arrived."
14909 groups (if (> groups 1) "s have" " has"))
14910 (gnus-message 6 "No new newsgroups.")))))))
14912 (defun gnus-matches-options-n (group)
14913 ;; Returns `subscribe' if the group is to be unconditionally
14914 ;; subscribed, `ignore' if it is to be ignored, and nil if there is
14915 ;; no match for the group.
14917 ;; First we check the two user variables.
14919 ((and gnus-options-subscribe
14920 (string-match gnus-options-subscribe group))
14922 ((and gnus-auto-subscribed-groups
14923 (string-match gnus-auto-subscribed-groups group))
14925 ((and gnus-options-not-subscribe
14926 (string-match gnus-options-not-subscribe group))
14928 ;; Then we go through the list that was retrieved from the .newsrc
14929 ;; file. This list has elements on the form
14930 ;; `(REGEXP . {ignore,subscribe})'. The first match found (the list
14931 ;; is in the reverse order of the options line) is returned.
14933 (let ((regs gnus-newsrc-options-n))
14935 (not (string-match (caar regs) group)))
14936 (setq regs (cdr regs)))
14937 (and regs (cdar regs))))))
14939 (defun gnus-ask-server-for-new-groups ()
14940 (let* ((date (or gnus-newsrc-last-checked-date (current-time-string)))
14941 (methods (cons gnus-select-method
14943 (when gnus-message-archive-method
14946 (and (consp gnus-check-new-newsgroups)
14947 gnus-check-new-newsgroups)
14948 gnus-secondary-select-methods))))
14950 (new-date (current-time-string))
14951 group new-newsgroups got-new method hashtb
14952 gnus-override-subscribe-method)
14953 ;; Go through both primary and secondary select methods and
14954 ;; request new newsgroups.
14955 (while (setq method (gnus-server-get-method nil (pop methods)))
14956 (setq new-newsgroups nil)
14957 (setq gnus-override-subscribe-method method)
14958 (when (and (gnus-check-server method)
14959 (gnus-request-newgroups date method))
14962 (setq hashtb (gnus-make-hashtable 100))
14963 (set-buffer nntp-server-buffer)
14964 ;; Enter all the new groups into a hashtable.
14965 (gnus-active-to-gnus-format method hashtb 'ignore)))
14966 ;; Now all new groups from `method' are in `hashtb'.
14968 (lambda (group-sym)
14969 (if (or (null (setq group (symbol-name group-sym)))
14970 (null (symbol-value group-sym))
14971 (gnus-gethash group gnus-newsrc-hashtb)
14972 (member group gnus-zombie-list)
14973 (member group gnus-killed-list))
14974 ;; The group is already known.
14976 ;; Make this group active.
14977 (when (symbol-value group-sym)
14978 (gnus-set-active group (symbol-value group-sym)))
14979 ;; Check whether we want it or not.
14980 (let ((do-sub (gnus-matches-options-n group)))
14982 ((eq do-sub 'subscribe)
14984 (gnus-sethash group group gnus-killed-hashtb)
14985 (funcall gnus-subscribe-options-newsgroup-method group))
14986 ((eq do-sub 'ignore)
14990 (gnus-sethash group group gnus-killed-hashtb)
14991 (if gnus-subscribe-hierarchical-interactive
14992 (push group new-newsgroups)
14993 (funcall gnus-subscribe-newsgroup-method group)))))))
14995 (when new-newsgroups
14996 (gnus-subscribe-hierarchical-interactive new-newsgroups)))
14997 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
14999 (gnus-message 6 "%d new newsgroup%s arrived."
15000 groups (if (> groups 1) "s have" " has")))
15001 (and got-new (setq gnus-newsrc-last-checked-date new-date))
15004 (defun gnus-check-first-time-used ()
15005 (if (or (> (length gnus-newsrc-alist) 1)
15006 (file-exists-p gnus-startup-file)
15007 (file-exists-p (concat gnus-startup-file ".el"))
15008 (file-exists-p (concat gnus-startup-file ".eld")))
15010 (gnus-message 6 "First time user; subscribing you to default groups")
15011 (unless gnus-have-read-active-file
15012 (gnus-read-active-file))
15013 (setq gnus-newsrc-last-checked-date (current-time-string))
15014 (let ((groups gnus-default-subscribed-newsgroups)
15018 (setq groups (or groups gnus-backup-default-subscribed-newsgroups))
15021 (if (null (setq group (symbol-name sym)))
15023 (let ((do-sub (gnus-matches-options-n group)))
15025 ((eq do-sub 'subscribe)
15026 (gnus-sethash group group gnus-killed-hashtb)
15027 (funcall gnus-subscribe-options-newsgroup-method group))
15028 ((eq do-sub 'ignore)
15031 (setq gnus-killed-list (cons group gnus-killed-list)))))))
15032 gnus-active-hashtb)
15034 (if (gnus-active (car groups))
15035 (gnus-group-change-level
15036 (car groups) gnus-level-default-subscribed gnus-level-killed))
15037 (setq groups (cdr groups)))
15038 (gnus-group-make-help-group)
15039 (and gnus-novice-user
15040 (gnus-message 7 "`A k' to list killed groups"))))))
15042 (defun gnus-subscribe-group (group previous &optional method)
15043 (gnus-group-change-level
15045 (list t group gnus-level-default-subscribed nil nil method)
15047 gnus-level-default-subscribed gnus-level-killed previous t))
15049 ;; `gnus-group-change-level' is the fundamental function for changing
15050 ;; subscription levels of newsgroups. This might mean just changing
15051 ;; from level 1 to 2, which is pretty trivial, from 2 to 6 or back
15052 ;; again, which subscribes/unsubscribes a group, which is equally
15053 ;; trivial. Changing from 1-7 to 8-9 means that you kill a group, and
15054 ;; from 8-9 to 1-7 means that you remove the group from the list of
15055 ;; killed (or zombie) groups and add them to the (kinda) subscribed
15056 ;; groups. And last but not least, moving from 8 to 9 and 9 to 8,
15057 ;; which is trivial.
15058 ;; ENTRY can either be a string (newsgroup name) or a list (if
15059 ;; FROMKILLED is t, it's a list on the format (NUM INFO-LIST),
15060 ;; otherwise it's a list in the format of the `gnus-newsrc-hashtb'
15062 ;; LEVEL is the new level of the group, OLDLEVEL is the old level and
15063 ;; PREVIOUS is the group (in hashtb entry format) to insert this group
15065 (defun gnus-group-change-level (entry level &optional oldlevel
15066 previous fromkilled)
15067 (let (group info active num)
15068 ;; Glean what info we can from the arguments
15070 (if fromkilled (setq group (nth 1 entry))
15071 (setq group (car (nth 2 entry))))
15072 (setq group entry))
15073 (if (and (stringp entry)
15075 (< oldlevel gnus-level-zombie))
15076 (setq entry (gnus-gethash entry gnus-newsrc-hashtb)))
15077 (if (and (not oldlevel)
15079 (setq oldlevel (cadr (nth 2 entry))))
15080 (if (stringp previous)
15081 (setq previous (gnus-gethash previous gnus-newsrc-hashtb)))
15083 (if (and (>= oldlevel gnus-level-zombie)
15084 (gnus-gethash group gnus-newsrc-hashtb))
15085 ;; We are trying to subscribe a group that is already
15089 (or (gnus-ephemeral-group-p group)
15090 (gnus-dribble-enter
15091 (format "(gnus-group-change-level %S %S %S %S %S)"
15092 group level oldlevel (car (nth 2 previous)) fromkilled)))
15094 ;; Then we remove the newgroup from any old structures, if needed.
15095 ;; If the group was killed, we remove it from the killed or zombie
15096 ;; list. If not, and it is in fact going to be killed, we remove
15097 ;; it from the newsrc hash table and assoc.
15099 ((>= oldlevel gnus-level-zombie)
15100 (if (= oldlevel gnus-level-zombie)
15101 (setq gnus-zombie-list (delete group gnus-zombie-list))
15102 (setq gnus-killed-list (delete group gnus-killed-list))))
15104 (if (and (>= level gnus-level-zombie)
15107 (gnus-sethash (car (nth 2 entry)) nil gnus-newsrc-hashtb)
15109 (setcdr (gnus-gethash (car (nth 3 entry))
15110 gnus-newsrc-hashtb)
15112 (setcdr (cdr entry) (cdddr entry))))))
15114 ;; Finally we enter (if needed) the list where it is supposed to
15115 ;; go, and change the subscription level. If it is to be killed,
15116 ;; we enter it into the killed or zombie list.
15118 ((>= level gnus-level-zombie)
15119 ;; Remove from the hash table.
15120 (gnus-sethash group nil gnus-newsrc-hashtb)
15121 ;; We do not enter foreign groups into the list of dead
15123 (unless (gnus-group-foreign-p group)
15124 (if (= level gnus-level-zombie)
15125 (setq gnus-zombie-list (cons group gnus-zombie-list))
15126 (setq gnus-killed-list (cons group gnus-killed-list)))))
15128 ;; If the list is to be entered into the newsrc assoc, and
15129 ;; it was killed, we have to create an entry in the newsrc
15130 ;; hashtb format and fix the pointers in the newsrc assoc.
15131 (if (< oldlevel gnus-level-zombie)
15132 ;; It was alive, and it is going to stay alive, so we
15133 ;; just change the level and don't change any pointers or
15134 ;; hash table entries.
15135 (setcar (cdaddr entry) level)
15137 (setq info (cdr entry)
15139 (setq active (gnus-active group))
15141 (if active (- (1+ (cdr active)) (car active)) t))
15142 ;; Check whether the group is foreign. If so, the
15143 ;; foreign select method has to be entered into the
15145 (let ((method (or gnus-override-subscribe-method
15146 (gnus-group-method group))))
15147 (if (eq method gnus-select-method)
15148 (setq info (list group level nil))
15149 (setq info (list group level nil nil method)))))
15152 (let ((p gnus-newsrc-alist))
15156 (setq entry (cons info (cddr previous)))
15159 (setcdr (cdr previous) entry)
15160 (gnus-sethash group (cons num (cdr previous))
15161 gnus-newsrc-hashtb))
15162 (setcdr previous entry)
15163 (gnus-sethash group (cons num previous)
15164 gnus-newsrc-hashtb))
15166 (setcdr (gnus-gethash (caadr entry) gnus-newsrc-hashtb) entry)))))
15167 (when gnus-group-change-level-function
15168 (funcall gnus-group-change-level-function group level oldlevel)))))
15170 (defun gnus-kill-newsgroup (newsgroup)
15171 "Obsolete function. Kills a newsgroup."
15172 (gnus-group-change-level
15173 (gnus-gethash newsgroup gnus-newsrc-hashtb) gnus-level-killed))
15175 (defun gnus-check-bogus-newsgroups (&optional confirm)
15176 "Remove bogus newsgroups.
15177 If CONFIRM is non-nil, the user has to confirm the deletion of every
15179 (let ((newsrc (cdr gnus-newsrc-alist))
15180 bogus group entry info)
15181 (gnus-message 5 "Checking bogus newsgroups...")
15182 (unless gnus-have-read-active-file
15183 (gnus-read-active-file))
15184 (when (member gnus-select-method gnus-have-read-active-file)
15185 ;; Find all bogus newsgroup that are subscribed.
15187 (setq info (pop newsrc)
15188 group (gnus-info-group info))
15189 (unless (or (gnus-active group) ; Active
15190 (gnus-info-method info) ; Foreign
15192 (not (gnus-y-or-n-p
15193 (format "Remove bogus newsgroup: %s " group)))))
15194 ;; Found a bogus newsgroup.
15195 (push group bogus)))
15196 ;; Remove all bogus subscribed groups by first killing them, and
15197 ;; then removing them from the list of killed groups.
15199 (when (setq entry (gnus-gethash (setq group (pop bogus))
15200 gnus-newsrc-hashtb))
15201 (gnus-group-change-level entry gnus-level-killed)
15202 (setq gnus-killed-list (delete group gnus-killed-list))))
15203 ;; Then we remove all bogus groups from the list of killed and
15204 ;; zombie groups. They are are removed without confirmation.
15205 (let ((dead-lists '(gnus-killed-list gnus-zombie-list))
15208 (setq killed (symbol-value (car dead-lists)))
15210 (unless (gnus-active (setq group (pop killed)))
15211 ;; The group is bogus.
15212 ;; !!!Slow as hell.
15213 (set (car dead-lists)
15214 (delete group (symbol-value (car dead-lists))))))
15215 (setq dead-lists (cdr dead-lists))))
15216 (gnus-message 5 "Checking bogus newsgroups...done"))))
15218 (defun gnus-check-duplicate-killed-groups ()
15219 "Remove duplicates from the list of killed groups."
15221 (let ((killed gnus-killed-list))
15223 (gnus-message 9 "%d" (length killed))
15224 (setcdr killed (delete (car killed) (cdr killed)))
15225 (setq killed (cdr killed)))))
15227 ;; Go though `gnus-newsrc-alist' and compare with `gnus-active-hashtb'
15228 ;; and compute how many unread articles there are in each group.
15229 (defun gnus-get-unread-articles (&optional level)
15230 (let* ((newsrc (cdr gnus-newsrc-alist))
15231 (level (or level gnus-activate-level (1+ gnus-level-subscribed)))
15234 (cond ((and gnus-activate-foreign-newsgroups
15235 (not (numberp gnus-activate-foreign-newsgroups)))
15236 (1+ gnus-level-subscribed))
15237 ((numberp gnus-activate-foreign-newsgroups)
15238 gnus-activate-foreign-newsgroups)
15241 info group active method)
15242 (gnus-message 5 "Checking new news...")
15245 (setq active (gnus-active (setq group (gnus-info-group
15246 (setq info (pop newsrc))))))
15248 ;; Check newsgroups. If the user doesn't want to check them, or
15249 ;; they can't be checked (for instance, if the news server can't
15250 ;; be reached) we just set the number of unread articles in this
15251 ;; newsgroup to t. This means that Gnus thinks that there are
15252 ;; unread articles, but it has no idea how many.
15253 (if (and (setq method (gnus-info-method info))
15254 (not (gnus-server-equal
15256 (gnus-server-get-method nil method)))
15257 (not (gnus-secondary-method-p method)))
15258 ;; These groups are foreign. Check the level.
15259 (when (<= (gnus-info-level info) foreign-level)
15260 (setq active (gnus-activate-group group 'scan))
15261 (gnus-close-group group))
15263 ;; These groups are native or secondary.
15264 (when (and (<= (gnus-info-level info) level)
15265 (not gnus-read-active-file))
15266 (setq active (gnus-activate-group group 'scan))
15267 (gnus-close-group group)))
15270 (gnus-get-unread-articles-in-group info active t)
15271 ;; The group couldn't be reached, so we nix out the number of
15272 ;; unread articles and stuff.
15273 (gnus-set-active group nil)
15274 (setcar (gnus-gethash group gnus-newsrc-hashtb) t)))
15276 (gnus-message 5 "Checking new news...done")))
15278 ;; Create a hash table out of the newsrc alist. The `car's of the
15279 ;; alist elements are used as keys.
15280 (defun gnus-make-hashtable-from-newsrc-alist ()
15281 (let ((alist gnus-newsrc-alist)
15282 (ohashtb gnus-newsrc-hashtb)
15284 (setq gnus-newsrc-hashtb (gnus-make-hashtable (length alist)))
15286 (setq prev (setq gnus-newsrc-alist
15287 (if (equal (caar gnus-newsrc-alist)
15290 (cons (list "dummy.group" 0 nil) alist)))))
15294 (cons (and ohashtb (car (gnus-gethash (caar alist) ohashtb)))
15296 gnus-newsrc-hashtb)
15298 alist (cdr alist)))))
15300 (defun gnus-make-hashtable-from-killed ()
15301 "Create a hash table from the killed and zombie lists."
15302 (let ((lists '(gnus-killed-list gnus-zombie-list))
15304 (setq gnus-killed-hashtb
15305 (gnus-make-hashtable
15306 (+ (length gnus-killed-list) (length gnus-zombie-list))))
15308 (setq list (symbol-value (car lists)))
15309 (setq lists (cdr lists))
15311 (gnus-sethash (car list) (car list) gnus-killed-hashtb)
15312 (setq list (cdr list))))))
15314 (defun gnus-get-unread-articles-in-group (info active &optional update)
15316 ;; Allow the backend to update the info in the group.
15318 (gnus-request-update-info
15319 info (gnus-find-method-for-group (gnus-info-group info))))
15320 (let* ((range (gnus-info-read info))
15322 (marked (gnus-info-marks info)))
15323 ;; If a cache is present, we may have to alter the active info.
15324 (and gnus-use-cache
15325 (gnus-cache-possibly-alter-active (gnus-info-group info) active))
15326 ;; Modify the list of read articles according to what articles
15327 ;; are available; then tally the unread articles and add the
15328 ;; number to the group hash table entry.
15330 ((zerop (cdr active))
15333 (setq num (- (1+ (cdr active)) (car active))))
15334 ((not (listp (cdr range)))
15335 ;; Fix a single (num . num) range according to the
15336 ;; active hash table.
15337 ;; Fix by Carsten Bormann <cabo@Informatik.Uni-Bremen.DE>.
15338 (and (< (cdr range) (car active)) (setcdr range (1- (car active))))
15339 (and (> (cdr range) (cdr active)) (setcdr range (cdr active)))
15340 ;; Compute number of unread articles.
15341 (setq num (max 0 (- (cdr active) (- (1+ (cdr range)) (car range))))))
15343 ;; The read list is a list of ranges. Fix them according to
15344 ;; the active hash table.
15345 ;; First peel off any elements that are below the lower
15347 (while (and (cdr range)
15349 (or (and (atom (cadr range)) (cadr range))
15351 (if (numberp (car range))
15354 (or (and (numberp (cadr range))
15357 (setcdr (car range)
15358 (or (and (numberp (nth 1 range)) (nth 1 range))
15360 (setcdr range (cddr range)))
15361 ;; Adjust the first element to be the same as the lower limit.
15362 (if (and (not (atom (car range)))
15363 (< (cdar range) (car active)))
15364 (setcdr (car range) (1- (car active))))
15365 ;; Then we want to peel off any elements that are higher
15366 ;; than the upper active limit.
15367 (let ((srange range))
15368 ;; Go past all legal elements.
15369 (while (and (cdr srange)
15370 (<= (or (and (atom (cadr srange))
15372 (caadr srange)) (cdr active)))
15373 (setq srange (cdr srange)))
15375 ;; Nuke all remaining illegal elements.
15376 (setcdr srange nil))
15378 ;; Adjust the final element.
15379 (if (and (not (atom (car srange)))
15380 (> (cdar srange) (cdr active)))
15381 (setcdr (car srange) (cdr active))))
15382 ;; Compute the number of unread articles.
15384 (setq num (+ num (- (1+ (or (and (atom (car range)) (car range))
15386 (or (and (atom (car range)) (car range))
15388 (setq range (cdr range)))
15389 (setq num (max 0 (- (cdr active) num)))))
15390 ;; Set the number of unread articles.
15391 (setcar (gnus-gethash (gnus-info-group info) gnus-newsrc-hashtb) num)
15394 (defun gnus-activate-group (group &optional scan)
15395 ;; Check whether a group has been activated or not.
15396 ;; If SCAN, request a scan of that group as well.
15397 (let ((method (gnus-find-method-for-group group))
15399 (and (gnus-check-server method)
15400 ;; We escape all bugs and quit here to make it possible to
15401 ;; continue if a group is so out-there that it reports bugs
15405 (gnus-check-backend-function 'request-scan (car method))
15406 (gnus-request-scan group method))
15409 (gnus-request-group group)
15413 (set-buffer nntp-server-buffer)
15414 (goto-char (point-min))
15415 ;; Parse the result we got from `gnus-request-group'.
15416 (and (looking-at "[0-9]+ [0-9]+ \\([0-9]+\\) [0-9]+")
15418 (goto-char (match-beginning 1))
15420 group (setq active (cons (read (current-buffer))
15421 (read (current-buffer)))))
15422 ;; Return the new active info.
15425 (defun gnus-update-read-articles (group unread)
15426 "Update the list of read and ticked articles in GROUP using the
15427 UNREAD and TICKED lists.
15428 Note: UNSELECTED has to be sorted over `<'.
15429 Returns whether the updating was successful."
15430 (let* ((active (or gnus-newsgroup-active (gnus-active group)))
15431 (entry (gnus-gethash group gnus-newsrc-hashtb))
15432 (info (nth 2 entry))
15433 (marked (gnus-info-marks info))
15435 (unread (sort (copy-sequence unread) '<))
15437 (if (or (not info) (not active))
15438 ;; There is no info on this group if it was, in fact,
15439 ;; killed. Gnus stores no information on killed groups, so
15440 ;; there's nothing to be done.
15441 ;; One could store the information somewhere temporarily,
15442 ;; perhaps... Hmmm...
15444 ;; Remove any negative articles numbers.
15445 (while (and unread (< (car unread) 0))
15446 (setq unread (cdr unread)))
15447 ;; Remove any expired article numbers
15448 (while (and unread (< (car unread) (car active)))
15449 (setq unread (cdr unread)))
15450 ;; Compute the ranges of read articles by looking at the list of
15451 ;; unread articles.
15453 (if (/= (car unread) prev)
15454 (setq read (cons (if (= prev (1- (car unread))) prev
15455 (cons prev (1- (car unread)))) read)))
15456 (setq prev (1+ (car unread)))
15457 (setq unread (cdr unread)))
15458 (when (<= prev (cdr active))
15459 (setq read (cons (cons prev (cdr active)) read)))
15460 ;; Enter this list into the group info.
15461 (gnus-info-set-read
15462 info (if (> (length read) 1) (nreverse read) read))
15463 ;; Set the number of unread articles in gnus-newsrc-hashtb.
15464 (gnus-get-unread-articles-in-group info (gnus-active group))
15467 (defun gnus-make-articles-unread (group articles)
15468 "Mark ARTICLES in GROUP as unread."
15469 (let* ((info (nth 2 (or (gnus-gethash group gnus-newsrc-hashtb)
15470 (gnus-gethash (gnus-group-real-name group)
15471 gnus-newsrc-hashtb))))
15472 (ranges (gnus-info-read info))
15475 (when (gnus-member-of-range
15476 (setq article (pop articles)) ranges)
15477 (setq news (cons article news))))
15479 (gnus-info-set-read
15480 info (gnus-remove-from-range (gnus-info-read info) (nreverse news)))
15481 (gnus-group-update-group group t))))
15483 ;; Enter all dead groups into the hashtb.
15484 (defun gnus-update-active-hashtb-from-killed ()
15485 (let ((hashtb (setq gnus-active-hashtb (make-vector 4095 0)))
15486 (lists (list gnus-killed-list gnus-zombie-list))
15489 (setq killed (car lists))
15491 (gnus-sethash (car killed) nil hashtb)
15492 (setq killed (cdr killed)))
15493 (setq lists (cdr lists)))))
15495 ;; Get the active file(s) from the backend(s).
15496 (defun gnus-read-active-file ()
15497 (gnus-group-set-mode-line)
15500 (if (gnus-check-server gnus-select-method)
15501 ;; The native server is available.
15502 (cons gnus-select-method gnus-secondary-select-methods)
15503 ;; The native server is down, so we just do the
15505 gnus-secondary-select-methods)
15506 ;; Also read from the archive server.
15507 (when gnus-message-archive-method
15508 (list "archive"))))
15510 (setq gnus-have-read-active-file nil)
15512 (set-buffer nntp-server-buffer)
15514 (let* ((method (if (stringp (car methods))
15515 (gnus-server-get-method nil (car methods))
15517 (where (nth 1 method))
15518 (mesg (format "Reading active file%s via %s..."
15519 (if (and where (not (zerop (length where))))
15520 (concat " from " where) "")
15522 (gnus-message 5 mesg)
15523 (when (gnus-check-server method)
15524 ;; Request that the backend scan its incoming messages.
15525 (and (gnus-check-backend-function 'request-scan (car method))
15526 (gnus-request-scan nil method))
15528 ((and (eq gnus-read-active-file 'some)
15529 (gnus-check-backend-function 'retrieve-groups (car method)))
15530 (let ((newsrc (cdr gnus-newsrc-alist))
15531 (gmethod (if (stringp method)
15532 (gnus-server-get-method nil method)
15535 (while (setq info (pop newsrc))
15536 (when (gnus-server-equal
15537 (gnus-find-method-for-group
15538 (gnus-info-group info) info)
15540 (push (gnus-group-real-name (gnus-info-group info))
15543 (gnus-check-server method)
15544 (setq list-type (gnus-retrieve-groups groups method))
15548 1 "Cannot read partial active file from %s server."
15552 ((eq list-type 'active)
15553 (gnus-active-to-gnus-format method gnus-active-hashtb))
15555 (gnus-groups-to-gnus-format method gnus-active-hashtb))))))
15557 (if (not (gnus-request-list method))
15559 (unless (equal method gnus-message-archive-method)
15560 (gnus-message 1 "Cannot read active file from %s server."
15563 (gnus-active-to-gnus-format method)
15564 ;; We mark this active file as read.
15565 (push method gnus-have-read-active-file)
15566 (gnus-message 5 "%sdone" mesg))))))
15567 (setq methods (cdr methods))))))
15569 ;; Read an active file and place the results in `gnus-active-hashtb'.
15570 (defun gnus-active-to-gnus-format (&optional method hashtb ignore-errors)
15572 (setq method gnus-select-method))
15573 (let ((cur (current-buffer))
15575 (if (and gnus-active-hashtb
15576 (not (equal method gnus-select-method)))
15578 (setq gnus-active-hashtb
15579 (if (equal method gnus-select-method)
15580 (gnus-make-hashtable
15581 (count-lines (point-min) (point-max)))
15582 (gnus-make-hashtable 4096))))))
15583 (flag-hashtb (gnus-make-hashtable 60)))
15584 ;; Delete unnecessary lines.
15585 (goto-char (point-min))
15586 (while (search-forward "\nto." nil t)
15587 (delete-region (1+ (match-beginning 0))
15588 (progn (forward-line 1) (point))))
15589 (or (string= gnus-ignored-newsgroups "")
15591 (goto-char (point-min))
15592 (delete-matching-lines gnus-ignored-newsgroups)))
15593 ;; Make the group names readable as a lisp expression even if they
15594 ;; contain special characters.
15595 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
15596 (goto-char (point-max))
15597 (while (re-search-backward "[][';?()#]" nil t)
15599 ;; If these are groups from a foreign select method, we insert the
15600 ;; group prefix in front of the group names.
15601 (and method (not (gnus-server-equal
15602 (gnus-server-get-method nil method)
15603 (gnus-server-get-method nil gnus-select-method)))
15604 (let ((prefix (gnus-group-prefixed-name "" method)))
15605 (goto-char (point-min))
15606 (while (and (not (eobp))
15607 (progn (insert prefix)
15608 (zerop (forward-line 1)))))))
15609 ;; Store the active file in a hash table.
15610 (goto-char (point-min))
15611 (if (string-match "%[oO]" gnus-group-line-format)
15612 ;; Suggested by Brian Edmonds <edmonds@cs.ubc.ca>.
15613 ;; If we want information on moderated groups, we use this
15615 (let* ((mod-hashtb (make-vector 7 0))
15616 (m (intern "m" mod-hashtb))
15618 (while (not (eobp))
15619 (condition-case nil
15621 (narrow-to-region (point) (gnus-point-at-eol))
15622 (setq group (let ((obarray hashtb)) (read cur)))
15623 (if (and (numberp (setq max (read cur)))
15624 (numberp (setq min (read cur)))
15626 (skip-chars-forward " \t")
15628 (or (= (following-char) ?=)
15629 (= (following-char) ?x)
15630 (= (following-char) ?j)))))
15631 (set group (cons min max))
15633 ;; Enter moderated groups into a list.
15634 (if (eq (let ((obarray mod-hashtb)) (read cur)) m)
15635 (setq gnus-moderated-list
15636 (cons (symbol-name group) gnus-moderated-list))))
15643 ;; And if we do not care about moderation, we use this loop,
15644 ;; which is faster.
15645 (let (group max min)
15646 (while (not (eobp))
15649 (narrow-to-region (point) (gnus-point-at-eol))
15650 ;; group gets set to a symbol interned in the hash table
15651 ;; (what a hack!!) - jwz
15652 (setq group (let ((obarray hashtb)) (read cur)))
15653 (if (and (numberp (setq max (read cur)))
15654 (numberp (setq min (read cur)))
15656 (skip-chars-forward " \t")
15658 (or (= (following-char) ?=)
15659 (= (following-char) ?x)
15660 (= (following-char) ?j)))))
15661 (set group (cons min max))
15669 (gnus-message 3 "Warning - illegal active: %s"
15671 (gnus-point-at-bol) (gnus-point-at-eol)))))))
15673 (forward-line 1))))))
15675 (defun gnus-groups-to-gnus-format (method &optional hashtb)
15676 ;; Parse a "groups" active file.
15677 (let ((cur (current-buffer))
15679 (if (and method gnus-active-hashtb)
15681 (setq gnus-active-hashtb
15682 (gnus-make-hashtable
15683 (count-lines (point-min) (point-max)))))))
15684 (prefix (and method
15685 (not (gnus-server-equal
15686 (gnus-server-get-method nil method)
15687 (gnus-server-get-method nil gnus-select-method)))
15688 (gnus-group-prefixed-name "" method))))
15690 (goto-char (point-min))
15691 ;; We split this into to separate loops, one with the prefix
15692 ;; and one without to speed the reading up somewhat.
15694 (let (min max opoint group)
15695 (while (not (eobp))
15698 (read cur) (read cur)
15699 (setq min (read cur)
15702 (skip-chars-forward " \t")
15705 (set (let ((obarray hashtb)) (read cur))
15707 (error (and group (symbolp group) (set group nil))))
15709 (let (min max group)
15710 (while (not (eobp))
15712 (if (= (following-char) ?2)
15714 (read cur) (read cur)
15715 (setq min (read cur)
15717 (set (setq group (let ((obarray hashtb)) (read cur)))
15719 (error (and group (symbolp group) (set group nil))))
15720 (forward-line 1))))))
15722 (defun gnus-read-newsrc-file (&optional force)
15723 "Read startup file.
15724 If FORCE is non-nil, the .newsrc file is read."
15725 ;; Reset variables that might be defined in the .newsrc.eld file.
15726 (let ((variables gnus-variable-list))
15728 (set (car variables) nil)
15729 (setq variables (cdr variables))))
15730 (let* ((newsrc-file gnus-current-startup-file)
15731 (quick-file (concat newsrc-file ".el")))
15733 ;; We always load the .newsrc.eld file. If always contains
15734 ;; much information that can not be gotten from the .newsrc
15735 ;; file (ticked articles, killed groups, foreign methods, etc.)
15736 (gnus-read-newsrc-el-file quick-file)
15739 (and (file-newer-than-file-p newsrc-file quick-file)
15740 (file-newer-than-file-p newsrc-file
15741 (concat quick-file "d")))
15742 (not gnus-newsrc-alist))
15743 ;; We read the .newsrc file. Note that if there if a
15744 ;; .newsrc.eld file exists, it has already been read, and
15745 ;; the `gnus-newsrc-hashtb' has been created. While reading
15746 ;; the .newsrc file, Gnus will only use the information it
15747 ;; can find there for changing the data already read -
15748 ;; ie. reading the .newsrc file will not trash the data
15749 ;; already read (except for read articles).
15751 (gnus-message 5 "Reading %s..." newsrc-file)
15752 (set-buffer (find-file-noselect newsrc-file))
15753 (buffer-disable-undo (current-buffer))
15754 (gnus-newsrc-to-gnus-format)
15755 (kill-buffer (current-buffer))
15756 (gnus-message 5 "Reading %s...done" newsrc-file)))
15758 ;; Read any slave files.
15760 (gnus-master-read-slave-newsrc)))))
15762 (defun gnus-read-newsrc-el-file (file)
15763 (let ((ding-file (concat file "d")))
15764 ;; We always, always read the .eld file.
15765 (gnus-message 5 "Reading %s..." ding-file)
15766 (let (gnus-newsrc-assoc)
15767 (condition-case nil
15768 (load ding-file t t t)
15770 (gnus-message 1 "Error in %s" ding-file)
15772 (when gnus-newsrc-assoc
15773 (setq gnus-newsrc-alist gnus-newsrc-assoc)))
15774 (gnus-make-hashtable-from-newsrc-alist)
15775 (when (file-newer-than-file-p file ding-file)
15776 ;; Old format quick file
15777 (gnus-message 5 "Reading %s..." file)
15778 ;; The .el file is newer than the .eld file, so we read that one
15780 (gnus-read-old-newsrc-el-file file))))
15782 ;; Parse the old-style quick startup file
15783 (defun gnus-read-old-newsrc-el-file (file)
15784 (let (newsrc killed marked group m)
15786 (let ((gnus-killed-assoc nil)
15787 gnus-marked-assoc gnus-newsrc-alist gnus-newsrc-assoc)
15789 (condition-case nil
15792 (setq newsrc gnus-newsrc-assoc
15793 killed gnus-killed-assoc
15794 marked gnus-marked-assoc)))
15795 (setq gnus-newsrc-alist nil)
15797 (setq group (car newsrc))
15798 (let ((info (gnus-get-info (car group))))
15801 (gnus-info-set-read info (cddr group))
15802 (gnus-info-set-level
15803 info (if (nth 1 group) gnus-level-default-subscribed
15804 gnus-level-default-unsubscribed))
15805 (setq gnus-newsrc-alist (cons info gnus-newsrc-alist)))
15806 (setq gnus-newsrc-alist
15810 (if (nth 1 group) gnus-level-default-subscribed
15811 gnus-level-default-unsubscribed)
15813 gnus-newsrc-alist)))
15814 (if (setq m (assoc (car group) marked))
15815 (gnus-info-set-marks
15816 info (cons (list (cons 'tick (gnus-compress-sequence
15817 (sort (cdr m) '<) t)))
15819 (setq newsrc (cdr newsrc)))
15820 (setq newsrc killed)
15822 (setcar newsrc (caar newsrc))
15823 (setq newsrc (cdr newsrc)))
15824 (setq gnus-killed-list killed))
15825 ;; The .el file version of this variable does not begin with
15826 ;; "options", while the .eld version does, so we just add it if it
15829 gnus-newsrc-options
15831 (and (not (string-match "^ *options" gnus-newsrc-options))
15832 (setq gnus-newsrc-options (concat "options " gnus-newsrc-options)))
15833 (and (not (string-match "\n$" gnus-newsrc-options))
15834 (setq gnus-newsrc-options (concat gnus-newsrc-options "\n")))
15835 ;; Finally, if we read some options lines, we parse them.
15836 (or (string= gnus-newsrc-options "")
15837 (gnus-newsrc-parse-options gnus-newsrc-options))))
15839 (setq gnus-newsrc-alist (nreverse gnus-newsrc-alist))
15840 (gnus-make-hashtable-from-newsrc-alist)))
15842 (defun gnus-make-newsrc-file (file)
15843 "Make server dependent file name by catenating FILE and server host name."
15844 (let* ((file (expand-file-name file nil))
15845 (real-file (concat file "-" (nth 1 gnus-select-method))))
15846 (if (or (file-exists-p real-file)
15847 (file-exists-p (concat real-file ".el"))
15848 (file-exists-p (concat real-file ".eld")))
15851 (defun gnus-newsrc-to-gnus-format ()
15852 (setq gnus-newsrc-options "")
15853 (setq gnus-newsrc-options-n nil)
15855 (or gnus-active-hashtb
15856 (setq gnus-active-hashtb (make-vector 4095 0)))
15857 (let ((buf (current-buffer))
15858 (already-read (> (length gnus-newsrc-alist) 1))
15859 group subscribed options-symbol newsrc Options-symbol
15861 (goto-char (point-min))
15862 ;; We intern the symbol `options' in the active hashtb so that we
15863 ;; can `eq' against it later.
15864 (set (setq options-symbol (intern "options" gnus-active-hashtb)) nil)
15865 (set (setq Options-symbol (intern "Options" gnus-active-hashtb)) nil)
15867 (while (not (eobp))
15868 ;; We first read the first word on the line by narrowing and
15869 ;; then reading into `gnus-active-hashtb'. Most groups will
15870 ;; already exist in that hashtb, so this will save some string
15874 (progn (skip-chars-forward "^ \t!:\n") (point)))
15875 (goto-char (point-min))
15877 (and (/= (point-min) (point-max))
15878 (let ((obarray gnus-active-hashtb)) (read buf))))
15880 ;; Now, the symbol we have read is either `options' or a group
15881 ;; name. If it is an options line, we just add it to a string.
15883 ((or (eq symbol options-symbol)
15884 (eq symbol Options-symbol))
15885 (setq gnus-newsrc-options
15886 ;; This concating is quite inefficient, but since our
15887 ;; thorough studies show that approx 99.37% of all
15888 ;; .newsrc files only contain a single options line, we
15889 ;; don't give a damn, frankly, my dear.
15890 (concat gnus-newsrc-options
15892 (gnus-point-at-bol)
15893 ;; Options may continue on the next line.
15894 (or (and (re-search-forward "^[^ \t]" nil 'move)
15895 (progn (beginning-of-line) (point)))
15899 ;; Group names can be just numbers.
15900 (when (numberp symbol)
15901 (setq symbol (intern (int-to-string symbol) gnus-active-hashtb)))
15902 (or (boundp symbol) (set symbol nil))
15903 ;; It was a group name.
15904 (setq subscribed (= (following-char) ?:)
15905 group (symbol-name symbol)
15908 ;; If the line ends here, this is clearly a buggy line, so
15909 ;; we put point a the beginning of line and let the cond
15910 ;; below do the error handling.
15911 (beginning-of-line)
15912 ;; We skip to the beginning of the ranges.
15913 (skip-chars-forward "!: \t"))
15914 ;; We are now at the beginning of the list of read articles.
15915 ;; We read them range by range.
15918 ((looking-at "[0-9]+")
15919 ;; We narrow and read a number instead of buffer-substring/
15920 ;; string-to-int because it's faster. narrow/widen is
15921 ;; faster than save-restriction/narrow, and save-restriction
15922 ;; produces a garbage object.
15924 (narrow-to-region (match-beginning 0) (match-end 0))
15927 ;; If the next character is a dash, then this is a range.
15928 (if (= (following-char) ?-)
15930 ;; We read the upper bound of the range.
15932 (if (not (looking-at "[0-9]+"))
15933 ;; This is a buggy line, by we pretend that
15934 ;; it's kinda OK. Perhaps the user should be
15936 (setq reads (cons num1 reads))
15941 (narrow-to-region (match-beginning 0)
15946 ;; It was just a simple number, so we add it to the
15948 (setq reads (cons num1 reads)))
15949 ;; If the next char in ?\n, then we have reached the end
15950 ;; of the line and return nil.
15951 (/= (following-char) ?\n))
15952 ((= (following-char) ?\n)
15953 ;; End of line, so we end.
15956 ;; Not numbers and not eol, so this might be a buggy
15959 ;; If it was eob instead of ?\n, we allow it.
15961 ;; The line was buggy.
15963 (gnus-message 3 "Mangled line: %s"
15964 (buffer-substring (gnus-point-at-bol)
15965 (gnus-point-at-eol)))
15969 ;; Skip past ", ". Spaces are illegal in these ranges, but
15970 ;; we allow them, because it's a common mistake to put a
15971 ;; space after the comma.
15972 (skip-chars-forward ", "))
15974 ;; We have already read .newsrc.eld, so we gently update the
15975 ;; data in the hash table with the information we have just
15978 (let ((info (gnus-get-info group))
15981 ;; There is an entry for this file in the alist.
15983 (gnus-info-set-read info (nreverse reads))
15984 ;; We update the level very gently. In fact, we
15985 ;; only change it if there's been a status change
15986 ;; from subscribed to unsubscribed, or vice versa.
15987 (setq level (gnus-info-level info))
15988 (cond ((and (<= level gnus-level-subscribed)
15990 (setq level (if reads
15991 gnus-level-default-unsubscribed
15992 (1+ gnus-level-default-unsubscribed))))
15993 ((and (> level gnus-level-subscribed) subscribed)
15994 (setq level gnus-level-default-subscribed)))
15995 (gnus-info-set-level info level))
15996 ;; This is a new group.
15997 (setq info (list group
15999 gnus-level-default-subscribed
16001 (1+ gnus-level-subscribed)
16002 gnus-level-default-unsubscribed))
16003 (nreverse reads))))
16004 (setq newsrc (cons info newsrc))))))
16007 (setq newsrc (nreverse newsrc))
16009 (if (not already-read)
16011 ;; We now have two newsrc lists - `newsrc', which is what we
16012 ;; have read from .newsrc, and `gnus-newsrc-alist', which is
16013 ;; what we've read from .newsrc.eld. We have to merge these
16014 ;; lists. We do this by "attaching" any (foreign) groups in the
16015 ;; gnus-newsrc-alist to the (native) group that precedes them.
16016 (let ((rc (cdr gnus-newsrc-alist))
16017 (prev gnus-newsrc-alist)
16020 (or (null (nth 4 (car rc))) ; It's a native group.
16021 (assoc (caar rc) newsrc) ; It's already in the alist.
16022 (if (setq entry (assoc (caar prev) newsrc))
16023 (setcdr (setq mentry (memq entry newsrc))
16024 (cons (car rc) (cdr mentry)))
16025 (setq newsrc (cons (car rc) newsrc))))
16029 (setq gnus-newsrc-alist newsrc)
16030 ;; We make the newsrc hashtb.
16031 (gnus-make-hashtable-from-newsrc-alist)
16033 ;; Finally, if we read some options lines, we parse them.
16034 (or (string= gnus-newsrc-options "")
16035 (gnus-newsrc-parse-options gnus-newsrc-options))))
16037 ;; Parse options lines to find "options -n !all rec.all" and stuff.
16038 ;; The return value will be a list on the form
16039 ;; ((regexp1 . ignore)
16040 ;; (regexp2 . subscribe)...)
16041 ;; When handling new newsgroups, groups that match a `ignore' regexp
16042 ;; will be ignored, and groups that match a `subscribe' regexp will be
16043 ;; subscribed. A line like
16044 ;; options -n !all rec.all
16045 ;; will lead to a list that looks like
16046 ;; (("^rec\\..+" . subscribe)
16047 ;; ("^.+" . ignore))
16048 ;; So all "rec.*" groups will be subscribed, while all the other
16049 ;; groups will be ignored. Note that "options -n !all rec.all" is very
16050 ;; different from "options -n rec.all !all".
16051 (defun gnus-newsrc-parse-options (options)
16054 (gnus-set-work-buffer)
16055 (insert (regexp-quote options))
16056 ;; First we treat all continuation lines.
16057 (goto-char (point-min))
16058 (while (re-search-forward "\n[ \t]+" nil t)
16059 (replace-match " " t t))
16060 ;; Then we transform all "all"s into ".+"s.
16061 (goto-char (point-min))
16062 (while (re-search-forward "\\ball\\b" nil t)
16063 (replace-match ".+" t t))
16064 (goto-char (point-min))
16065 ;; We remove all other options than the "-n" ones.
16066 (while (re-search-forward "[ \t]-[^n][^-]*" nil t)
16067 (replace-match " ")
16069 (goto-char (point-min))
16071 ;; We are only interested in "options -n" lines - we
16072 ;; ignore the other option lines.
16073 (while (re-search-forward "[ \t]-n" nil t)
16075 (or (save-excursion
16076 (and (re-search-forward "[ \t]-n" (gnus-point-at-eol) t)
16078 (gnus-point-at-eol)))
16079 ;; Search for all "words"...
16080 (while (re-search-forward "[^ \t,\n]+" eol t)
16081 (if (= (char-after (match-beginning 0)) ?!)
16082 ;; If the word begins with a bang (!), this is a "not"
16083 ;; spec. We put this spec (minus the bang) and the
16084 ;; symbol `ignore' into the list.
16085 (setq out (cons (cons (concat
16086 "^" (buffer-substring
16087 (1+ (match-beginning 0))
16090 ;; There was no bang, so this is a "yes" spec.
16091 (setq out (cons (cons (concat "^" (match-string 0))
16092 'subscribe) out)))))
16094 (setq gnus-newsrc-options-n out))))
16096 (defun gnus-save-newsrc-file (&optional force)
16097 "Save .newsrc file."
16098 ;; Note: We cannot save .newsrc file if all newsgroups are removed
16099 ;; from the variable gnus-newsrc-alist.
16100 (when (and (or gnus-newsrc-alist gnus-killed-list)
16101 gnus-current-startup-file)
16103 (if (and (or gnus-use-dribble-file gnus-slave)
16105 (or (not gnus-dribble-buffer)
16106 (not (buffer-name gnus-dribble-buffer))
16107 (zerop (save-excursion
16108 (set-buffer gnus-dribble-buffer)
16110 (gnus-message 4 "(No changes need to be saved)")
16111 (run-hooks 'gnus-save-newsrc-hook)
16113 (gnus-slave-save-newsrc)
16115 (when gnus-save-newsrc-file
16116 (gnus-message 5 "Saving %s..." gnus-current-startup-file)
16117 (gnus-gnus-to-newsrc-format)
16118 (gnus-message 5 "Saving %s...done" gnus-current-startup-file))
16119 ;; Save .newsrc.eld.
16120 (set-buffer (get-buffer-create " *Gnus-newsrc*"))
16121 (make-local-variable 'version-control)
16122 (setq version-control 'never)
16123 (setq buffer-file-name
16124 (concat gnus-current-startup-file ".eld"))
16125 (gnus-add-current-to-buffer-list)
16126 (buffer-disable-undo (current-buffer))
16128 (gnus-message 5 "Saving %s.eld..." gnus-current-startup-file)
16129 (gnus-gnus-to-quick-newsrc-format)
16130 (run-hooks 'gnus-save-quick-newsrc-hook)
16132 (kill-buffer (current-buffer))
16134 5 "Saving %s.eld...done" gnus-current-startup-file))
16135 (gnus-dribble-delete-file)))))
16137 (defun gnus-gnus-to-quick-newsrc-format ()
16138 "Insert Gnus variables such as gnus-newsrc-alist in lisp format."
16139 (insert ";; Gnus startup file.\n")
16140 (insert ";; Never delete this file - touch .newsrc instead to force Gnus\n")
16141 (insert ";; to read .newsrc.\n")
16142 (insert "(setq gnus-newsrc-file-version "
16143 (prin1-to-string gnus-version) ")\n")
16145 (if gnus-save-killed-list gnus-variable-list
16146 ;; Remove the `gnus-killed-list' from the list of variables
16147 ;; to be saved, if required.
16148 (delq 'gnus-killed-list (copy-sequence gnus-variable-list))))
16149 ;; Peel off the "dummy" group.
16150 (gnus-newsrc-alist (cdr gnus-newsrc-alist))
16152 ;; Insert the variables into the file.
16154 (when (and (boundp (setq variable (pop variables)))
16155 (symbol-value variable))
16156 (insert "(setq " (symbol-name variable) " '"
16157 (prin1-to-string (symbol-value variable)) ")\n")))))
16159 (defun gnus-gnus-to-newsrc-format ()
16160 ;; Generate and save the .newsrc file.
16161 (let ((newsrc (cdr gnus-newsrc-alist))
16164 (set-buffer (create-file-buffer gnus-current-startup-file))
16165 (setq buffer-file-name gnus-current-startup-file)
16166 (buffer-disable-undo (current-buffer))
16169 (if gnus-newsrc-options (insert gnus-newsrc-options))
16170 ;; Write subscribed and unsubscribed.
16172 (setq info (car newsrc))
16173 (if (not (gnus-info-method info))
16174 ;; Don't write foreign groups to .newsrc.
16176 (insert (gnus-info-group info)
16177 (if (> (gnus-info-level info) gnus-level-subscribed)
16179 (if (setq ranges (gnus-info-read info))
16182 (if (not (listp (cdr ranges)))
16183 (if (= (car ranges) (cdr ranges))
16184 (insert (int-to-string (car ranges)))
16185 (insert (int-to-string (car ranges)) "-"
16186 (int-to-string (cdr ranges))))
16188 (setq range (car ranges)
16189 ranges (cdr ranges))
16190 (if (or (atom range) (= (car range) (cdr range)))
16191 (insert (int-to-string
16192 (or (and (atom range) range)
16194 (insert (int-to-string (car range)) "-"
16195 (int-to-string (cdr range))))
16196 (if ranges (insert ","))))))
16198 (setq newsrc (cdr newsrc)))
16199 (make-local-variable 'version-control)
16200 (setq version-control 'never)
16201 ;; It has been reported that sometime the modtime on the .newsrc
16202 ;; file seems to be off. We really do want to overwrite it, so
16203 ;; we clear the modtime here before saving. It's a bit odd,
16205 ;; sometimes the modtime clear isn't sufficient. most brute force:
16206 ;; delete the silly thing entirely first. but this fails to provide
16207 ;; such niceties as .newsrc~ creation.
16208 (if gnus-modtime-botch
16209 (delete-file gnus-startup-file)
16210 (clear-visited-file-modtime))
16211 (run-hooks 'gnus-save-standard-newsrc-hook)
16213 (kill-buffer (current-buffer)))))
16217 ;;; Slave functions.
16220 (defun gnus-slave-save-newsrc ()
16222 (set-buffer gnus-dribble-buffer)
16224 (make-temp-name (concat gnus-current-startup-file "-slave-"))))
16225 (write-region (point-min) (point-max) slave-name nil 'nomesg))))
16227 (defun gnus-master-read-slave-newsrc ()
16230 (file-name-directory gnus-current-startup-file)
16234 (file-name-nondirectory gnus-current-startup-file)
16238 (if (not slave-files)
16239 () ; There are no slave files to read.
16240 (gnus-message 7 "Reading slave newsrcs...")
16242 (set-buffer (get-buffer-create " *gnus slave*"))
16243 (buffer-disable-undo (current-buffer))
16245 (sort (mapcar (lambda (file)
16246 (list (nth 5 (file-attributes file)) file))
16249 (or (< (caar f1) (caar f2))
16250 (< (nth 1 (car f1)) (nth 1 (car f2)))))))
16253 (setq file (nth 1 (car slave-files)))
16254 (insert-file-contents file)
16255 (if (condition-case ()
16257 (eval-buffer (current-buffer))
16260 (gnus-message 3 "Possible error in %s" file)
16264 (or gnus-slave ; Slaves shouldn't delete these files.
16268 (setq slave-files (cdr slave-files))))
16269 (gnus-message 7 "Reading slave newsrcs...done"))))
16273 ;;; Group description.
16276 (defun gnus-read-all-descriptions-files ()
16277 (let ((methods (cons gnus-select-method
16279 (when gnus-message-archive-method
16281 gnus-secondary-select-methods))))
16283 (gnus-read-descriptions-file (car methods))
16284 (setq methods (cdr methods)))
16287 (defun gnus-read-descriptions-file (&optional method)
16288 (let ((method (or method gnus-select-method)))
16289 (when (stringp method)
16290 (setq method (gnus-server-to-method method)))
16291 ;; We create the hashtable whether we manage to read the desc file
16292 ;; to avoid trying to re-read after a failed read.
16293 (or gnus-description-hashtb
16294 (setq gnus-description-hashtb
16295 (gnus-make-hashtable (length gnus-active-hashtb))))
16296 ;; Mark this method's desc file as read.
16297 (gnus-sethash (gnus-group-prefixed-name "" method) "Has read"
16298 gnus-description-hashtb)
16300 (gnus-message 5 "Reading descriptions file via %s..." (car method))
16302 ((not (gnus-check-server method))
16303 (gnus-message 1 "Couldn't open server")
16305 ((not (gnus-request-list-newsgroups method))
16306 (gnus-message 1 "Couldn't read newsgroups descriptions")
16312 (set-buffer nntp-server-buffer)
16313 (goto-char (point-min))
16314 (if (or (search-forward "\n.\n" nil t)
16315 (goto-char (point-max)))
16317 (beginning-of-line)
16318 (narrow-to-region (point-min) (point))))
16319 (goto-char (point-min))
16320 (while (not (eobp))
16321 ;; If we get an error, we set group to 0, which is not a
16325 (let ((obarray gnus-description-hashtb))
16326 ;; Group is set to a symbol interned in this
16328 (read nntp-server-buffer))
16330 (skip-chars-forward " \t")
16331 ;; ... which leads to this line being effectively ignored.
16332 (and (symbolp group)
16333 (set group (buffer-substring
16334 (point) (progn (end-of-line) (point)))))
16335 (forward-line 1))))
16336 (gnus-message 5 "Reading descriptions file...done")
16339 (defun gnus-group-get-description (group)
16340 "Get the description of a group by sending XGTITLE to the server."
16341 (when (gnus-request-group-description group)
16343 (set-buffer nntp-server-buffer)
16344 (goto-char (point-min))
16345 (when (looking-at "[^ \t]+[ \t]+\\(.*\\)")
16346 (match-string 1)))))
16350 ;;; Buffering of read articles.
16353 (defvar gnus-backlog-buffer " *Gnus Backlog*")
16354 (defvar gnus-backlog-articles nil)
16355 (defvar gnus-backlog-hashtb nil)
16357 (defun gnus-backlog-buffer ()
16358 "Return the backlog buffer."
16359 (or (get-buffer gnus-backlog-buffer)
16361 (set-buffer (get-buffer-create gnus-backlog-buffer))
16362 (buffer-disable-undo (current-buffer))
16363 (setq buffer-read-only t)
16364 (gnus-add-current-to-buffer-list)
16365 (get-buffer gnus-backlog-buffer))))
16367 (defun gnus-backlog-setup ()
16368 "Initialize backlog variables."
16369 (unless gnus-backlog-hashtb
16370 (setq gnus-backlog-hashtb (make-vector 1023 0))))
16372 (defun gnus-backlog-shutdown ()
16373 "Clear all backlog variables and buffers."
16374 (when (get-buffer gnus-backlog-buffer)
16375 (kill-buffer gnus-backlog-buffer))
16376 (setq gnus-backlog-hashtb nil
16377 gnus-backlog-articles nil))
16379 (defun gnus-backlog-enter-article (group number buffer)
16380 (gnus-backlog-setup)
16381 (let ((ident (intern (concat group ":" (int-to-string number))
16382 gnus-backlog-hashtb))
16384 (if (memq ident gnus-backlog-articles)
16385 () ; It's already kept.
16386 ;; Remove the oldest article, if necessary.
16387 (and (numberp gnus-keep-backlog)
16388 (>= (length gnus-backlog-articles) gnus-keep-backlog)
16389 (gnus-backlog-remove-oldest-article))
16390 (setq gnus-backlog-articles (cons ident gnus-backlog-articles))
16391 ;; Insert the new article.
16393 (set-buffer (gnus-backlog-buffer))
16394 (let (buffer-read-only)
16395 (goto-char (point-max))
16396 (or (bolp) (insert "\n"))
16398 (insert-buffer-substring buffer)
16399 ;; Tag the beginning of the article with the ident.
16400 (put-text-property b (1+ b) 'gnus-backlog ident))))))
16402 (defun gnus-backlog-remove-oldest-article ()
16404 (set-buffer (gnus-backlog-buffer))
16405 (goto-char (point-min))
16406 (if (zerop (buffer-size))
16407 () ; The buffer is empty.
16408 (let ((ident (get-text-property (point) 'gnus-backlog))
16410 ;; Remove the ident from the list of articles.
16412 (setq gnus-backlog-articles (delq ident gnus-backlog-articles)))
16413 ;; Delete the article itself.
16415 (point) (next-single-property-change
16416 (1+ (point)) 'gnus-backlog nil (point-max)))))))
16418 (defun gnus-backlog-request-article (group number buffer)
16419 (gnus-backlog-setup)
16420 (let ((ident (intern (concat group ":" (int-to-string number))
16421 gnus-backlog-hashtb))
16423 (when (memq ident gnus-backlog-articles)
16424 ;; It was in the backlog.
16426 (set-buffer (gnus-backlog-buffer))
16427 (if (not (setq beg (text-property-any
16428 (point-min) (point-max) 'gnus-backlog
16430 ;; It wasn't in the backlog after all.
16432 (setq gnus-backlog-articles (delq ident gnus-backlog-articles)))
16433 ;; Find the end (i. e., the beginning of the next article).
16435 (next-single-property-change
16436 (1+ beg) 'gnus-backlog (current-buffer) (point-max)))))
16437 (let ((buffer-read-only nil))
16439 (insert-buffer-substring gnus-backlog-buffer beg end)
16442 ;; Allow redefinition of Gnus functions.
16444 (gnus-ems-redefine)
16448 ;;; gnus.el ends here