1 ;;; gnus-agent.el --- unplugged support for Gnus
2 ;; Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
3 ;; Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
6 ;; This file is part of GNU Emacs.
8 ;; GNU Emacs is free software; you can redistribute it and/or modify
9 ;; it under the terms of the GNU General Public License as published by
10 ;; the Free Software Foundation; either version 2, or (at your option)
13 ;; GNU Emacs is distributed in the hope that it will be useful,
14 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
15 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 ;; GNU General Public License for more details.
18 ;; You should have received a copy of the GNU General Public License
19 ;; along with GNU Emacs; see the file COPYING. If not, write to the
20 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 ;; Boston, MA 02111-1307, USA.
34 (if (featurep 'xemacs)
40 (autoload 'gnus-server-update-server "gnus-srvr"))
42 (defcustom gnus-agent-directory (nnheader-concat gnus-directory "agent/")
43 "Where the Gnus agent will store its files."
47 (defcustom gnus-agent-plugged-hook nil
48 "Hook run when plugging into the network."
52 (defcustom gnus-agent-unplugged-hook nil
53 "Hook run when unplugging from the network."
57 (defcustom gnus-agent-fetched-hook nil
58 "Hook run after finishing fetching articles."
62 (defcustom gnus-agent-handle-level gnus-level-subscribed
63 "Groups on levels higher than this variable will be ignored by the Agent."
67 (defcustom gnus-agent-expire-days 7
68 "Read articles older than this will be expired.
69 This can also be a list of regexp/day pairs. The regexps will
70 be matched against group names."
74 (defcustom gnus-agent-expire-all nil
75 "If non-nil, also expire unread, ticked and dormant articles.
76 If nil, only read articles will be expired."
80 (defcustom gnus-agent-group-mode-hook nil
81 "Hook run in Agent group minor modes."
85 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
86 (when (featurep 'xemacs)
87 (add-hook 'gnus-agent-group-mode-hook 'gnus-xmas-agent-group-menu-add))
89 (defcustom gnus-agent-summary-mode-hook nil
90 "Hook run in Agent summary minor modes."
94 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
95 (when (featurep 'xemacs)
96 (add-hook 'gnus-agent-summary-mode-hook 'gnus-xmas-agent-summary-menu-add))
98 (defcustom gnus-agent-server-mode-hook nil
99 "Hook run in Agent summary minor modes."
103 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
104 (when (featurep 'xemacs)
105 (add-hook 'gnus-agent-server-mode-hook 'gnus-xmas-agent-server-menu-add))
107 (defcustom gnus-agent-confirmation-function 'y-or-n-p
108 "Function to confirm when error happens."
113 (defcustom gnus-agent-synchronize-flags 'ask
114 "Indicate if flags are synchronized when you plug in.
115 If this is `ask' the hook will query the user."
117 :type '(choice (const :tag "Always" t)
118 (const :tag "Never" nil)
119 (const :tag "Ask" ask))
122 (defcustom gnus-agent-go-online 'ask
123 "Indicate if offline servers go online when you plug in.
124 If this is `ask' the hook will query the user."
126 :type '(choice (const :tag "Always" t)
127 (const :tag "Never" nil)
128 (const :tag "Ask" ask))
131 ;;; Internal variables
133 (defvar gnus-agent-history-buffers nil)
134 (defvar gnus-agent-buffer-alist nil)
135 (defvar gnus-agent-article-alist nil)
136 (defvar gnus-agent-group-alist nil)
137 (defvar gnus-category-alist nil)
138 (defvar gnus-agent-current-history nil)
139 (defvar gnus-agent-overview-buffer nil)
140 (defvar gnus-category-predicate-cache nil)
141 (defvar gnus-category-group-cache nil)
142 (defvar gnus-agent-spam-hashtb nil)
143 (defvar gnus-agent-file-name nil)
144 (defvar gnus-agent-send-mail-function nil)
145 (defvar gnus-agent-file-coding-system 'raw-text)
148 (defvar gnus-headers)
155 (defun gnus-open-agent ()
157 (gnus-agent-read-servers)
159 (gnus-agent-create-buffer)
160 (add-hook 'gnus-group-mode-hook 'gnus-agent-mode)
161 (add-hook 'gnus-summary-mode-hook 'gnus-agent-mode)
162 (add-hook 'gnus-server-mode-hook 'gnus-agent-mode))
164 (defun gnus-agent-create-buffer ()
165 (if (gnus-buffer-live-p gnus-agent-overview-buffer)
167 (setq gnus-agent-overview-buffer
168 (gnus-get-buffer-create " *Gnus agent overview*"))
169 (with-current-buffer gnus-agent-overview-buffer
170 (mm-enable-multibyte))
173 (gnus-add-shutdown 'gnus-close-agent 'gnus)
175 (defun gnus-close-agent ()
176 (setq gnus-agent-covered-methods nil
177 gnus-category-predicate-cache nil
178 gnus-category-group-cache nil
179 gnus-agent-spam-hashtb nil)
180 (gnus-kill-buffer gnus-agent-overview-buffer))
183 ;;; Utility functions
186 (defun gnus-agent-read-file (file)
187 "Load FILE and do a `read' there."
190 (nnheader-insert-file-contents file)
191 (goto-char (point-min))
192 (read (current-buffer)))))
194 (defsubst gnus-agent-method ()
195 (concat (symbol-name (car gnus-command-method)) "/"
196 (if (equal (cadr gnus-command-method) "")
198 (cadr gnus-command-method))))
200 (defsubst gnus-agent-directory ()
201 "Path of the Gnus agent directory."
202 (nnheader-concat gnus-agent-directory
203 (nnheader-translate-file-chars (gnus-agent-method)) "/"))
205 (defun gnus-agent-lib-file (file)
206 "The full path of the Gnus agent library FILE."
207 (expand-file-name file
208 (file-name-as-directory
209 (expand-file-name "agent.lib" (gnus-agent-directory)))))
211 ;;; Fetching setup functions.
213 (defun gnus-agent-start-fetch ()
214 "Initialize data structures for efficient fetching."
215 (gnus-agent-open-history)
216 (setq gnus-agent-current-history (gnus-agent-history-buffer))
217 (gnus-agent-create-buffer))
219 (defun gnus-agent-stop-fetch ()
220 "Save all data structures and clean up."
221 (gnus-agent-save-history)
222 (gnus-agent-close-history)
223 (setq gnus-agent-spam-hashtb nil)
225 (set-buffer nntp-server-buffer)
228 (defmacro gnus-agent-with-fetch (&rest forms)
231 (let ((gnus-agent-fetching t))
232 (gnus-agent-start-fetch)
234 (gnus-agent-stop-fetch)))
236 (put 'gnus-agent-with-fetch 'lisp-indent-function 0)
237 (put 'gnus-agent-with-fetch 'edebug-form-spec '(body))
243 (defvar gnus-agent-mode-hook nil
244 "Hook run when installing agent mode.")
246 (defvar gnus-agent-mode nil)
247 (defvar gnus-agent-mode-status '(gnus-agent-mode " Plugged"))
249 (defun gnus-agent-mode ()
250 "Minor mode for providing a agent support in Gnus buffers."
251 (let* ((buffer (progn (string-match "^gnus-\\(.*\\)-mode$"
252 (symbol-name major-mode))
253 (match-string 1 (symbol-name major-mode))))
254 (mode (intern (format "gnus-agent-%s-mode" buffer))))
255 (set (make-local-variable 'gnus-agent-mode) t)
257 (set (make-local-variable mode) t)
259 (when (gnus-visual-p 'agent-menu 'menu)
260 (funcall (intern (format "gnus-agent-%s-make-menu-bar" buffer))))
261 (unless (assq 'gnus-agent-mode minor-mode-alist)
262 (push gnus-agent-mode-status minor-mode-alist))
263 (unless (assq mode minor-mode-map-alist)
264 (push (cons mode (symbol-value (intern (format "gnus-agent-%s-mode-map"
266 minor-mode-map-alist))
267 (when (eq major-mode 'gnus-group-mode)
268 (gnus-agent-toggle-plugged gnus-plugged))
269 (gnus-run-hooks 'gnus-agent-mode-hook
270 (intern (format "gnus-agent-%s-mode-hook" buffer)))))
272 (defvar gnus-agent-group-mode-map (make-sparse-keymap))
273 (gnus-define-keys gnus-agent-group-mode-map
274 "Ju" gnus-agent-fetch-groups
275 "Jc" gnus-enter-category-buffer
276 "Jj" gnus-agent-toggle-plugged
277 "Js" gnus-agent-fetch-session
278 "JY" gnus-agent-synchronize-flags
279 "JS" gnus-group-send-queue
280 "Ja" gnus-agent-add-group
281 "Jr" gnus-agent-remove-group
282 "Jo" gnus-agent-toggle-group-plugged)
284 (defun gnus-agent-group-make-menu-bar ()
285 (unless (boundp 'gnus-agent-group-menu)
287 gnus-agent-group-menu gnus-agent-group-mode-map ""
289 ["Toggle plugged" gnus-agent-toggle-plugged t]
290 ["Toggle group plugged" gnus-agent-toggle-group-plugged t]
291 ["List categories" gnus-enter-category-buffer t]
292 ["Send queue" gnus-group-send-queue gnus-plugged]
294 ["All" gnus-agent-fetch-session gnus-plugged]
295 ["Group" gnus-agent-fetch-group gnus-plugged])))))
297 (defvar gnus-agent-summary-mode-map (make-sparse-keymap))
298 (gnus-define-keys gnus-agent-summary-mode-map
299 "Jj" gnus-agent-toggle-plugged
300 "Ju" gnus-agent-summary-fetch-group
301 "J#" gnus-agent-mark-article
302 "J\M-#" gnus-agent-unmark-article
303 "@" gnus-agent-toggle-mark
304 "Jc" gnus-agent-catchup)
306 (defun gnus-agent-summary-make-menu-bar ()
307 (unless (boundp 'gnus-agent-summary-menu)
309 gnus-agent-summary-menu gnus-agent-summary-mode-map ""
311 ["Toggle plugged" gnus-agent-toggle-plugged t]
312 ["Mark as downloadable" gnus-agent-mark-article t]
313 ["Unmark as downloadable" gnus-agent-unmark-article t]
314 ["Toggle mark" gnus-agent-toggle-mark t]
315 ["Fetch downloadable" gnus-aget-summary-fetch-group t]
316 ["Catchup undownloaded" gnus-agent-catchup t]))))
318 (defvar gnus-agent-server-mode-map (make-sparse-keymap))
319 (gnus-define-keys gnus-agent-server-mode-map
320 "Jj" gnus-agent-toggle-plugged
321 "Ja" gnus-agent-add-server
322 "Jr" gnus-agent-remove-server)
324 (defun gnus-agent-server-make-menu-bar ()
325 (unless (boundp 'gnus-agent-server-menu)
327 gnus-agent-server-menu gnus-agent-server-mode-map ""
329 ["Toggle plugged" gnus-agent-toggle-plugged t]
330 ["Add" gnus-agent-add-server t]
331 ["Remove" gnus-agent-remove-server t]))))
333 (defun gnus-agent-make-mode-line-string (string mouse-button mouse-func)
334 (if (and (fboundp 'propertize)
335 (fboundp 'make-mode-line-mouse-map))
336 (propertize string 'local-map
337 (make-mode-line-mouse-map mouse-button mouse-func))
340 (defun gnus-agent-toggle-plugged (plugged)
341 "Toggle whether Gnus is unplugged or not."
342 (interactive (list (not gnus-plugged)))
345 (setq gnus-plugged plugged)
346 (gnus-run-hooks 'gnus-agent-plugged-hook)
347 (setcar (cdr gnus-agent-mode-status)
348 (gnus-agent-make-mode-line-string " Plugged"
350 'gnus-agent-toggle-plugged))
351 (gnus-agent-go-online gnus-agent-go-online)
352 (gnus-agent-possibly-synchronize-flags))
353 (gnus-agent-close-connections)
354 (setq gnus-plugged plugged)
355 (gnus-run-hooks 'gnus-agent-unplugged-hook)
356 (setcar (cdr gnus-agent-mode-status)
357 (gnus-agent-make-mode-line-string " Unplugged"
359 'gnus-agent-toggle-plugged)))
360 (set-buffer-modified-p t))
362 (defun gnus-agent-close-connections ()
363 "Close all methods covered by the Gnus agent."
364 (let ((methods gnus-agent-covered-methods))
366 (gnus-close-server (pop methods)))))
369 (defun gnus-unplugged ()
370 "Start Gnus unplugged."
372 (setq gnus-plugged nil)
376 (defun gnus-plugged ()
377 "Start Gnus plugged."
379 (setq gnus-plugged t)
383 (defun gnus-agentize ()
384 "Allow Gnus to be an offline newsreader.
385 The normal usage of this command is to put the following as the
386 last form in your `.gnus.el' file:
390 This will modify the `gnus-setup-news-hook', and
391 `message-send-mail-real-function' variables, and install the Gnus agent
392 minor mode in all Gnus buffers."
395 (add-hook 'gnus-setup-news-hook 'gnus-agent-queue-setup)
396 (unless gnus-agent-send-mail-function
397 (setq gnus-agent-send-mail-function (or
398 message-send-mail-real-function
399 message-send-mail-function)
400 message-send-mail-real-function 'gnus-agent-send-mail))
401 (unless gnus-agent-covered-methods
402 (setq gnus-agent-covered-methods (list gnus-select-method))))
404 (defun gnus-agent-queue-setup ()
405 "Make sure the queue group exists."
406 (unless (gnus-gethash "nndraft:queue" gnus-newsrc-hashtb)
407 (gnus-request-create-group "queue" '(nndraft ""))
408 (let ((gnus-level-default-subscribed 1))
409 (gnus-subscribe-group "nndraft:queue" nil '(nndraft "")))
410 (gnus-group-set-parameter
411 "nndraft:queue" 'gnus-dummy '((gnus-draft-mode)))))
413 (defun gnus-agent-send-mail ()
415 (funcall gnus-agent-send-mail-function)
416 (goto-char (point-min))
418 (concat "^" (regexp-quote mail-header-separator) "\n"))
420 (gnus-agent-insert-meta-information 'mail)
421 (gnus-request-accept-article "nndraft:queue" nil t t)))
423 (defun gnus-agent-insert-meta-information (type &optional method)
424 "Insert meta-information into the message that says how it's to be posted.
425 TYPE can be either `mail' or `news'. If the latter, then METHOD can
428 (message-remove-header gnus-agent-meta-information-header)
429 (goto-char (point-min))
430 (insert gnus-agent-meta-information-header ": "
431 (symbol-name type) " " (format "%S" method)
434 (while (search-backward "\n" nil t)
435 (replace-match "\\n" t t))))
437 (defun gnus-agent-restore-gcc ()
438 "Restore GCC field from saved header."
440 (goto-char (point-min))
441 (while (re-search-forward (concat gnus-agent-gcc-header ":") nil t)
442 (replace-match "Gcc:" 'fixedcase))))
444 (defun gnus-agent-any-covered-gcc ()
446 (message-narrow-to-headers)
447 (let* ((gcc (mail-fetch-field "gcc" nil t))
449 (mapcar 'gnus-inews-group-method
450 (message-unquote-tokens
451 (message-tokenize-header
454 (while (and (not covered) methods)
455 (setq covered (gnus-agent-method-p (car methods))
456 methods (cdr methods)))
459 (defun gnus-agent-possibly-save-gcc ()
460 "Save GCC if Gnus is unplugged."
461 (when (and (not gnus-plugged) (gnus-agent-any-covered-gcc))
463 (goto-char (point-min))
464 (let ((case-fold-search t))
465 (while (re-search-forward "^gcc:" nil t)
466 (replace-match (concat gnus-agent-gcc-header ":") 'fixedcase))))))
468 (defun gnus-agent-possibly-do-gcc ()
469 "Do GCC if Gnus is plugged."
470 (when (or gnus-plugged (not (gnus-agent-any-covered-gcc)))
471 (gnus-inews-do-gcc)))
474 ;;; Group mode commands
477 (defun gnus-agent-fetch-groups (n)
478 "Put all new articles in the current groups into the Agent."
481 (error "Groups can't be fetched when Gnus is unplugged"))
482 (gnus-group-iterate n 'gnus-agent-fetch-group))
484 (defun gnus-agent-fetch-group (group)
485 "Put all new articles in GROUP into the Agent."
486 (interactive (list (gnus-group-group-name)))
487 (let ((state gnus-plugged))
491 (error "No group on the current line"))
493 (gnus-agent-toggle-plugged gnus-plugged))
494 (let ((gnus-command-method (gnus-find-method-for-group group)))
495 (gnus-agent-with-fetch
496 (gnus-agent-fetch-group-1 group gnus-command-method)
497 (gnus-message 5 "Fetching %s...done" group))))
498 (when (and (not state)
500 (gnus-agent-toggle-plugged gnus-plugged)))))
502 (defun gnus-agent-add-group (category arg)
503 "Add the current group to an agent category."
509 (mapcar (lambda (cat) (list (symbol-name (car cat))))
513 (let ((cat (assq category gnus-category-alist))
515 (gnus-group-iterate arg
517 (when (cadddr (setq c (gnus-group-category group)))
518 (setf (cadddr c) (delete group (cadddr c))))
519 (push group groups)))
520 (setf (cadddr cat) (nconc (cadddr cat) groups))
521 (gnus-category-write)))
523 (defun gnus-agent-remove-group (arg)
524 "Remove the current group from its agent category, if any."
527 (gnus-group-iterate arg
529 (when (cadddr (setq c (gnus-group-category group)))
530 (setf (cadddr c) (delete group (cadddr c))))))
531 (gnus-category-write)))
533 (defun gnus-agent-synchronize-flags ()
534 "Synchronize unplugged flags with servers."
537 (dolist (gnus-command-method gnus-agent-covered-methods)
538 (when (file-exists-p (gnus-agent-lib-file "flags"))
539 (gnus-agent-synchronize-flags-server gnus-command-method)))))
541 (defun gnus-agent-possibly-synchronize-flags ()
542 "Synchronize flags according to `gnus-agent-synchronize-flags'."
545 (dolist (gnus-command-method gnus-agent-covered-methods)
546 (when (file-exists-p (gnus-agent-lib-file "flags"))
547 (gnus-agent-possibly-synchronize-flags-server gnus-command-method)))))
549 (defun gnus-agent-synchronize-flags-server (method)
550 "Synchronize flags set when unplugged for server."
551 (let ((gnus-command-method method))
552 (when (file-exists-p (gnus-agent-lib-file "flags"))
553 (set-buffer (get-buffer-create " *Gnus Agent flag synchronize*"))
555 (nnheader-insert-file-contents (gnus-agent-lib-file "flags"))
556 (if (null (gnus-check-server gnus-command-method))
557 (message "Couldn't open server %s" (nth 1 gnus-command-method))
559 (if (null (eval (read (current-buffer))))
560 (progn (forward-line)
562 (write-file (gnus-agent-lib-file "flags"))
563 (error "Couldn't set flags from file %s"
564 (gnus-agent-lib-file "flags"))))
565 (delete-file (gnus-agent-lib-file "flags")))
568 (defun gnus-agent-possibly-synchronize-flags-server (method)
569 "Synchronize flags for server according to `gnus-agent-synchronize-flags'."
570 (when (or (and gnus-agent-synchronize-flags
571 (not (eq gnus-agent-synchronize-flags 'ask)))
572 (and (eq gnus-agent-synchronize-flags 'ask)
573 (gnus-y-or-n-p (format "Synchronize flags on server `%s'? "
575 (gnus-agent-synchronize-flags-server method)))
578 ;;; Server mode commands
581 (defun gnus-agent-add-server (server)
582 "Enroll SERVER in the agent program."
583 (interactive (list (gnus-server-server-name)))
585 (error "No server on the current line"))
586 (let ((method (gnus-server-get-method nil (gnus-server-server-name))))
587 (when (gnus-agent-method-p method)
588 (error "Server already in the agent program"))
589 (push method gnus-agent-covered-methods)
590 (gnus-server-update-server server)
591 (gnus-agent-write-servers)
592 (message "Entered %s into the Agent" server)))
594 (defun gnus-agent-remove-server (server)
595 "Remove SERVER from the agent program."
596 (interactive (list (gnus-server-server-name)))
598 (error "No server on the current line"))
599 (let ((method (gnus-server-get-method nil (gnus-server-server-name))))
600 (unless (gnus-agent-method-p method)
601 (error "Server not in the agent program"))
602 (setq gnus-agent-covered-methods
603 (delete method gnus-agent-covered-methods))
604 (gnus-server-update-server server)
605 (gnus-agent-write-servers)
606 (message "Removed %s from the agent" server)))
608 (defun gnus-agent-read-servers ()
609 "Read the alist of covered servers."
610 (setq gnus-agent-covered-methods
611 (gnus-agent-read-file
612 (nnheader-concat gnus-agent-directory "lib/servers"))))
614 (defun gnus-agent-write-servers ()
615 "Write the alist of covered servers."
616 (gnus-make-directory (nnheader-concat gnus-agent-directory "lib"))
617 (let ((coding-system-for-write nnheader-file-coding-system)
618 (file-name-coding-system nnmail-pathname-coding-system))
619 (with-temp-file (nnheader-concat gnus-agent-directory "lib/servers")
620 (prin1 gnus-agent-covered-methods (current-buffer)))))
626 (defun gnus-agent-mark-article (n &optional unmark)
627 "Mark the next N articles as downloadable.
628 If N is negative, mark backward instead. If UNMARK is non-nil, remove
629 the mark instead. The difference between N and the actual number of
630 articles marked is returned."
632 (let ((backward (< n 0))
637 (gnus-summary-set-agent-mark
638 (gnus-summary-article-number) unmark)
639 (zerop (gnus-summary-next-subject (if backward -1 1) nil t))))
642 (gnus-message 7 "No more articles"))
643 (gnus-summary-recenter)
644 (gnus-summary-position-point)
647 (defun gnus-agent-unmark-article (n)
648 "Remove the downloadable mark from the next N articles.
649 If N is negative, unmark backward instead. The difference between N and
650 the actual number of articles unmarked is returned."
652 (gnus-agent-mark-article n t))
654 (defun gnus-agent-toggle-mark (n)
655 "Toggle the downloadable mark from the next N articles.
656 If N is negative, toggle backward instead. The difference between N and
657 the actual number of articles toggled is returned."
659 (gnus-agent-mark-article n 'toggle))
661 (defun gnus-summary-set-agent-mark (article &optional unmark)
662 "Mark ARTICLE as downloadable."
663 (let ((unmark (if (and (not (null unmark)) (not (eq t unmark)))
664 (memq article gnus-newsgroup-downloadable)
668 (setq gnus-newsgroup-downloadable
669 (delq article gnus-newsgroup-downloadable))
670 (push article gnus-newsgroup-undownloaded))
671 (setq gnus-newsgroup-undownloaded
672 (delq article gnus-newsgroup-undownloaded))
673 (push article gnus-newsgroup-downloadable))
674 (gnus-summary-update-mark
675 (if unmark gnus-undownloaded-mark gnus-downloadable-mark)
678 (defun gnus-agent-get-undownloaded-list ()
679 "Mark all unfetched articles as read."
680 (let ((gnus-command-method (gnus-find-method-for-group gnus-newsgroup-name)))
681 (when (and (not (gnus-online gnus-command-method))
682 (gnus-agent-method-p gnus-command-method))
683 (gnus-agent-load-alist gnus-newsgroup-name)
684 ;; First mark all undownloaded articles as undownloaded.
685 (let ((articles (mapcar (lambda (header) (mail-header-number header))
686 gnus-newsgroup-headers))
687 (agent-articles gnus-agent-article-alist)
689 (while (setq article (pop articles))
690 (while (and agent-articles
691 (< (caar agent-articles) article))
692 (setq agent-articles (cdr agent-articles)))
693 (when (or (not (cdar agent-articles))
694 (not (= (caar agent-articles) article)))
695 (push article candidates)))
696 (dolist (article candidates)
697 (unless (or (memq article gnus-newsgroup-downloadable)
698 (memq article gnus-newsgroup-cached))
699 (push article gnus-newsgroup-undownloaded))))
700 ;; Then mark downloaded downloadable as not-downloadable,
701 ;; if you get my drift.
702 (dolist (article gnus-newsgroup-downloadable)
703 (when (cdr (assq article gnus-agent-article-alist))
704 (setq gnus-newsgroup-downloadable
705 (delq article gnus-newsgroup-downloadable)))))))
707 (defun gnus-agent-catchup ()
708 "Mark all undownloaded articles as read."
711 (while gnus-newsgroup-undownloaded
712 (gnus-summary-mark-article
713 (pop gnus-newsgroup-undownloaded) gnus-catchup-mark)))
714 (gnus-summary-position-point))
716 (defun gnus-agent-summary-fetch-group ()
717 "Fetch the downloadable articles in the group."
719 (let ((articles gnus-newsgroup-downloadable)
720 (gnus-command-method (gnus-find-method-for-group gnus-newsgroup-name))
721 (state gnus-plugged))
725 (gnus-agent-toggle-plugged t))
727 (error "No articles to download"))
728 (gnus-agent-with-fetch
729 (gnus-agent-fetch-articles gnus-newsgroup-name articles))
731 (dolist (article articles)
732 (setq gnus-newsgroup-downloadable
733 (delq article gnus-newsgroup-downloadable))
734 (gnus-summary-mark-article article gnus-unread-mark))))
735 (when (and (not state)
737 (gnus-agent-toggle-plugged nil)))))
740 ;;; Internal functions
743 (defun gnus-agent-save-active (method)
744 (gnus-agent-save-active-1 method 'gnus-active-to-gnus-format))
746 (defun gnus-agent-save-active-1 (method function)
747 (when (gnus-agent-method-p method)
748 (let* ((gnus-command-method method)
749 (new (gnus-make-hashtable (count-lines (point-min) (point-max))))
750 (file (gnus-agent-lib-file "active")))
751 (funcall function nil new)
752 (gnus-agent-write-active file new)
754 (nnheader-insert-file-contents file))))
756 (defun gnus-agent-write-active (file new)
757 (let ((orig (gnus-make-hashtable (count-lines (point-min) (point-max))))
758 (file (gnus-agent-lib-file "active"))
760 (when (file-exists-p file)
762 (nnheader-insert-file-contents file)
763 (gnus-active-to-gnus-format nil orig))
766 (when (and sym (boundp sym))
767 (if (and (boundp (setq osym (intern (symbol-name sym) orig)))
768 (setq elem (symbol-value osym)))
770 (if (and (integerp (car (symbol-value sym)))
771 (> (car elem) (car (symbol-value sym))))
772 (setcar elem (car (symbol-value sym))))
773 (if (integerp (cdr (symbol-value sym)))
774 (setcdr elem (cdr (symbol-value sym)))))
775 (set (intern (symbol-name sym) orig) (symbol-value sym)))))
777 (gnus-make-directory (file-name-directory file))
778 (let ((nnmail-active-file-coding-system gnus-agent-file-coding-system))
779 ;; The hashtable contains real names of groups, no more prefix
780 ;; removing, so set `full' to `t'.
781 (gnus-write-active-file file orig t))))
783 (defun gnus-agent-save-groups (method)
784 (gnus-agent-save-active-1 method 'gnus-groups-to-gnus-format))
786 (defun gnus-agent-save-group-info (method group active)
787 (when (gnus-agent-method-p method)
788 (let* ((gnus-command-method method)
789 (coding-system-for-write nnheader-file-coding-system)
790 (file-name-coding-system nnmail-pathname-coding-system)
791 (file (gnus-agent-lib-file "active"))
793 (gnus-make-directory (file-name-directory file))
795 ;; Emacs got problem to match non-ASCII group in multibyte buffer.
796 (mm-disable-multibyte)
797 (when (file-exists-p file)
798 (nnheader-insert-file-contents file))
799 (goto-char (point-min))
800 (when (re-search-forward
801 (concat "^" (regexp-quote group) " ") nil t)
803 (read (current-buffer)) ;; max
804 (setq oactive-min (read (current-buffer)))) ;; min
806 (insert (format "%S %d %d y\n" (intern group)
808 (or oactive-min (car active))))
809 (goto-char (point-max))
810 (while (search-backward "\\." nil t)
813 (defun gnus-agent-group-path (group)
814 "Translate GROUP into a path."
815 (if nnmail-use-long-file-names
816 (gnus-group-real-name group)
817 (nnheader-translate-file-chars
818 (nnheader-replace-chars-in-string
819 (nnheader-replace-duplicate-chars-in-string
820 (nnheader-replace-chars-in-string
821 (gnus-group-real-name group)
828 (defun gnus-agent-get-function (method)
829 (if (gnus-online method)
834 ;;; History functions
836 (defun gnus-agent-history-buffer ()
837 (cdr (assoc (gnus-agent-method) gnus-agent-history-buffers)))
839 (defun gnus-agent-open-history ()
841 (push (cons (gnus-agent-method)
842 (set-buffer (gnus-get-buffer-create
843 (format " *Gnus agent %s history*"
844 (gnus-agent-method)))))
845 gnus-agent-history-buffers)
846 (mm-disable-multibyte) ;; everything is binary
849 (let ((file (gnus-agent-lib-file "history")))
850 (when (file-exists-p file)
851 (nnheader-insert-file-contents file))
852 (set (make-local-variable 'gnus-agent-file-name) file))))
854 (defun gnus-agent-save-history ()
856 (set-buffer gnus-agent-current-history)
857 (gnus-make-directory (file-name-directory gnus-agent-file-name))
858 (let ((coding-system-for-write gnus-agent-file-coding-system))
859 (write-region (1+ (point-min)) (point-max)
860 gnus-agent-file-name nil 'silent))))
862 (defun gnus-agent-close-history ()
863 (when (gnus-buffer-live-p gnus-agent-current-history)
864 (kill-buffer gnus-agent-current-history)
865 (setq gnus-agent-history-buffers
866 (delq (assoc (gnus-agent-method) gnus-agent-history-buffers)
867 gnus-agent-history-buffers))))
869 (defun gnus-agent-enter-history (id group-arts date)
871 (set-buffer gnus-agent-current-history)
872 (goto-char (point-max))
874 (insert id "\t" (number-to-string date) "\t")
876 (insert (format "%S" (intern (caar group-arts)))
877 " " (number-to-string (cdr (pop group-arts)))
880 (while (search-backward "\\." p t)
883 (defun gnus-agent-article-in-history-p (id)
885 (set-buffer (gnus-agent-history-buffer))
886 (goto-char (point-min))
887 (search-forward (concat "\n" id "\t") nil t)))
889 (defun gnus-agent-history-path (id)
891 (set-buffer (gnus-agent-history-buffer))
892 (goto-char (point-min))
893 (when (search-forward (concat "\n" id "\t") nil t)
894 (let ((method (gnus-agent-method)))
896 (while (not (numberp (setq group (read (current-buffer)))))
897 (push (concat method "/" group) paths))
898 (nreverse paths))))))
904 (defun gnus-agent-fetch-articles (group articles)
905 "Fetch ARTICLES from GROUP and put them into the Agent."
907 ;; Prune off articles that we have already fetched.
909 (cdr (assq (car articles) gnus-agent-article-alist)))
911 (let ((arts articles))
913 (if (cdr (assq (cadr arts) gnus-agent-article-alist))
914 (setcdr arts (cddr arts))
915 (setq arts (cdr arts)))))
918 (gnus-agent-directory)
919 (gnus-agent-group-path group) "/"))
920 (date (time-to-days (current-time)))
923 (gnus-make-directory dir)
924 (gnus-message 7 "Fetching articles for %s..." group)
925 ;; Fetch the articles from the backend.
926 (if (gnus-check-backend-function 'retrieve-articles group)
927 (setq pos (gnus-retrieve-articles articles group))
930 (while (setq article (pop articles))
932 (gnus-backlog-request-article group article
934 (gnus-request-article article group))
935 (goto-char (point-max))
936 (push (cons article (point)) pos)
937 (insert-buffer-substring nntp-server-buffer)))
938 (copy-to-buffer nntp-server-buffer (point-min) (point-max))
939 (setq pos (nreverse pos)))))
940 ;; Then save these articles into the Agent.
942 (set-buffer nntp-server-buffer)
944 (narrow-to-region (cdar pos) (or (cdadr pos) (point-max)))
945 (goto-char (point-min))
946 (when (search-forward "\n\n" nil t)
947 (when (search-backward "\nXrefs: " nil t)
948 ;; Handle crossposting.
949 (skip-chars-forward "^ ")
950 (skip-chars-forward " ")
952 (while (looking-at "\\([^: \n]+\\):\\([0-9]+\\) +")
953 (push (cons (buffer-substring (match-beginning 1)
955 (buffer-substring (match-beginning 2)
958 (goto-char (match-end 0)))
959 (gnus-agent-crosspost crosses (caar pos))))
960 (goto-char (point-min))
961 (if (not (re-search-forward "^Message-ID: *<\\([^>\n]+\\)>" nil t))
962 (setq id "No-Message-ID-in-article")
963 (setq id (buffer-substring (match-beginning 1) (match-end 1))))
964 (let ((coding-system-for-write
965 gnus-agent-file-coding-system))
966 (write-region (point-min) (point-max)
967 (concat dir (number-to-string (caar pos)))
969 (when (setq elem (assq (caar pos) gnus-agent-article-alist))
971 (gnus-agent-enter-history
972 id (or crosses (list (cons group (caar pos)))) date)
975 (gnus-agent-save-alist group)))))
977 (defun gnus-agent-crosspost (crosses article)
978 (let (gnus-agent-article-alist group alist beg end)
980 (set-buffer gnus-agent-overview-buffer)
981 (when (nnheader-find-nov-line article)
984 (setq end (progn (forward-line 1) (point)))))
986 (setq group (caar crosses))
987 (unless (setq alist (assoc group gnus-agent-group-alist))
988 (push (setq alist (list group (gnus-agent-load-alist (caar crosses))))
989 gnus-agent-group-alist))
990 (setcdr alist (cons (cons (cdar crosses) t) (cdr alist)))
992 (set-buffer (gnus-get-buffer-create (format " *Gnus agent overview %s*"
994 (when (= (point-max) (point-min))
995 (push (cons group (current-buffer)) gnus-agent-buffer-alist)
997 (nnheader-insert-file-contents
998 (gnus-agent-article-name ".overview" group))))
999 (nnheader-find-nov-line (string-to-number (cdar crosses)))
1000 (insert (string-to-number (cdar crosses)))
1001 (insert-buffer-substring gnus-agent-overview-buffer beg end))
1004 (defun gnus-agent-flush-cache ()
1006 (while gnus-agent-buffer-alist
1007 (set-buffer (cdar gnus-agent-buffer-alist))
1008 (let ((coding-system-for-write
1009 gnus-agent-file-coding-system))
1010 (write-region (point-min) (point-max)
1011 (gnus-agent-article-name ".overview"
1012 (caar gnus-agent-buffer-alist))
1014 (pop gnus-agent-buffer-alist))
1015 (while gnus-agent-group-alist
1016 (with-temp-file (caar gnus-agent-group-alist)
1017 (princ (cdar gnus-agent-group-alist))
1019 (pop gnus-agent-group-alist))))
1021 (defun gnus-agent-fetch-headers (group &optional force)
1022 (let ((articles (gnus-list-of-unread-articles group))
1023 (gnus-decode-encoded-word-function 'identity)
1024 (file (gnus-agent-article-name ".overview" group))
1026 ;; Add article with marks to list of article headers we want to fetch.
1027 (dolist (arts (gnus-info-marks (gnus-get-info group)))
1028 (unless (memq (car arts) '(seen recent))
1029 (setq articles (gnus-range-add articles (cdr arts)))))
1030 (setq articles (sort (gnus-uncompress-sequence articles) '<))
1031 ;; Remove known articles.
1032 (when (gnus-agent-load-alist group)
1033 (setq articles (gnus-sorted-intersection
1035 (gnus-uncompress-range
1036 (cons (1+ (caar (last gnus-agent-article-alist)))
1037 (cdr (gnus-active group)))))))
1039 (gnus-make-directory (nnheader-translate-file-chars
1040 (file-name-directory file) t))
1042 (gnus-message 7 "Fetching headers for %s..." group)
1044 (set-buffer nntp-server-buffer)
1045 (unless (eq 'nov (gnus-retrieve-headers articles group))
1046 (nnvirtual-convert-headers))
1047 ;; Save these headers for later processing.
1048 (copy-to-buffer gnus-agent-overview-buffer (point-min) (point-max))
1049 (when (file-exists-p file)
1050 (gnus-agent-braid-nov group articles file))
1051 (let ((coding-system-for-write
1052 gnus-agent-file-coding-system))
1053 (write-region (point-min) (point-max) file nil 'silent))
1054 (gnus-agent-save-alist group articles nil)
1055 (gnus-agent-enter-history
1056 "last-header-fetched-for-session"
1057 (list (cons group (nth (- (length articles) 1) articles)))
1058 (time-to-days (current-time)))
1061 (defsubst gnus-agent-copy-nov-line (article)
1063 (set-buffer gnus-agent-overview-buffer)
1066 (if (eq article (read (current-buffer)))
1067 (setq e (progn (forward-line 1) (point)))
1071 (set-buffer nntp-server-buffer)
1072 (insert-buffer-substring gnus-agent-overview-buffer b e))))
1074 (defun gnus-agent-braid-nov (group articles file)
1075 (set-buffer gnus-agent-overview-buffer)
1076 (goto-char (point-min))
1077 (set-buffer nntp-server-buffer)
1079 (nnheader-insert-file-contents file)
1080 (goto-char (point-max))
1081 (if (or (= (point-min) (point-max))
1084 (< (read (current-buffer)) (car articles))))
1085 ;; We have only headers that are after the older headers,
1086 ;; so we just append them.
1088 (goto-char (point-max))
1089 (insert-buffer-substring gnus-agent-overview-buffer))
1090 ;; We do it the hard way.
1091 (nnheader-find-nov-line (car articles))
1092 (gnus-agent-copy-nov-line (car articles))
1094 (while (and articles
1096 (while (and (not (eobp))
1097 (< (read (current-buffer)) (car articles)))
1101 (gnus-agent-copy-nov-line (car articles))
1102 (setq articles (cdr articles))))
1103 (set-buffer nntp-server-buffer)
1106 (set-buffer gnus-agent-overview-buffer)
1109 (while (and (not (eobp))
1110 (<= (read (current-buffer)) (car articles)))
1113 (set-buffer nntp-server-buffer)
1114 (insert-buffer-substring gnus-agent-overview-buffer b e)))))
1116 (defun gnus-agent-load-alist (group &optional dir)
1117 "Load the article-state alist for GROUP."
1118 (setq gnus-agent-article-alist
1119 (gnus-agent-read-file
1121 (expand-file-name ".agentview" dir)
1122 (gnus-agent-article-name ".agentview" group)))))
1124 (defun gnus-agent-save-alist (group &optional articles state dir)
1125 "Save the article-state alist for GROUP."
1126 (let ((file-name-coding-system nnmail-pathname-coding-system)
1127 print-level print-length item)
1128 (dolist (art articles)
1129 (if (setq item (memq art gnus-agent-article-alist))
1131 (push (cons art state) gnus-agent-article-alist)))
1132 (setq gnus-agent-article-alist
1133 (sort gnus-agent-article-alist 'car-less-than-car))
1134 (with-temp-file (if dir
1135 (expand-file-name ".agentview" dir)
1136 (gnus-agent-article-name ".agentview" group))
1137 (princ gnus-agent-article-alist (current-buffer))
1140 (defun gnus-agent-article-name (article group)
1141 (expand-file-name (if (stringp article) article (string-to-number article))
1142 (file-name-as-directory
1143 (expand-file-name (gnus-agent-group-path group)
1144 (gnus-agent-directory)))))
1146 (defun gnus-agent-batch-confirmation (msg)
1147 "Show error message and return t."
1148 (gnus-message 1 msg)
1152 (defun gnus-agent-batch-fetch ()
1153 "Start Gnus and fetch session."
1156 (let ((gnus-agent-confirmation-function 'gnus-agent-batch-confirmation))
1157 (gnus-agent-fetch-session))
1160 (defun gnus-agent-fetch-session ()
1161 "Fetch all articles and headers that are eligible for fetching."
1163 (unless gnus-agent-covered-methods
1164 (error "No servers are covered by the Gnus agent"))
1165 (unless gnus-plugged
1166 (error "Can't fetch articles while Gnus is unplugged"))
1167 (let ((methods gnus-agent-covered-methods)
1168 groups group gnus-command-method)
1173 (setq gnus-command-method (car methods))
1174 (when (and (or (gnus-server-opened gnus-command-method)
1175 (gnus-open-server gnus-command-method))
1176 (gnus-online gnus-command-method))
1177 (setq groups (gnus-groups-from-server (car methods)))
1178 (gnus-agent-with-fetch
1179 (while (setq group (pop groups))
1180 (when (<= (gnus-group-level group) gnus-agent-handle-level)
1181 (gnus-agent-fetch-group-1 group gnus-command-method))))))
1183 (unless (funcall gnus-agent-confirmation-function
1184 (format "Error (%s). Continue? " err))
1185 (error "Cannot fetch articles into the Gnus agent")))
1187 (unless (funcall gnus-agent-confirmation-function
1188 (format "Quit fetching session (%s). Continue? "
1190 (signal 'quit "Cannot fetch articles into the Gnus agent"))))
1192 (run-hooks 'gnus-agent-fetch-hook)
1193 (gnus-message 6 "Finished fetching articles into the Gnus agent"))))
1195 (defun gnus-agent-fetch-group-1 (group method)
1197 (let ((gnus-command-method method)
1198 (gnus-newsgroup-name group)
1199 gnus-newsgroup-dependencies gnus-newsgroup-headers
1200 gnus-newsgroup-scored gnus-headers gnus-score
1201 gnus-use-cache articles arts
1202 category predicate info marks score-param
1203 (gnus-summary-expunge-below gnus-summary-expunge-below)
1204 (gnus-summary-mark-below gnus-summary-mark-below)
1205 (gnus-orphan-score gnus-orphan-score)
1206 ;; Maybe some other gnus-summary local variables should also
1209 (unless (gnus-check-group group)
1210 (error "Can't open server for %s" group))
1212 (when (and (or (gnus-active group)
1213 (gnus-activate-group group))
1214 (setq articles (gnus-agent-fetch-headers group))
1215 (let ((nntp-server-buffer gnus-agent-overview-buffer))
1216 ;; Parse them and see which articles we want to fetch.
1217 (setq gnus-newsgroup-dependencies
1218 (make-vector (length articles) 0))
1219 (setq gnus-newsgroup-headers
1220 (gnus-get-newsgroup-headers-xover articles nil nil
1222 ;; `gnus-agent-overview-buffer' may be killed for
1223 ;; timeout reason. If so, recreate it.
1224 (gnus-agent-create-buffer)))
1225 (setq category (gnus-group-category group))
1228 (or (gnus-group-find-parameter group 'agent-predicate t)
1230 (if (memq predicate '(gnus-agent-true gnus-agent-false))
1231 ;; Simple implementation
1232 (setq arts (and (eq predicate 'gnus-agent-true) articles))
1235 (or (gnus-group-get-parameter group 'agent-score t)
1237 ;; Translate score-param into real one
1240 ((eq score-param 'file)
1241 (setq score-param (gnus-all-score-files group)))
1242 ((stringp (car score-param)))
1244 (setq score-param (list (list score-param)))))
1246 (gnus-score-headers score-param))
1247 (while (setq gnus-headers (pop gnus-newsgroup-headers))
1249 (or (cdr (assq (mail-header-number gnus-headers)
1250 gnus-newsgroup-scored))
1251 gnus-summary-default-score))
1252 (when (funcall predicate)
1253 (push (mail-header-number gnus-headers)
1255 ;; Fetch the articles.
1257 (gnus-agent-fetch-articles group arts)))
1258 ;; Perhaps we have some additional articles to fetch.
1259 (setq arts (assq 'download (gnus-info-marks
1260 (setq info (gnus-get-info group)))))
1262 (gnus-message 8 "Agent is downloading marked articles...")
1263 (gnus-agent-fetch-articles
1264 group (gnus-uncompress-range (cdr arts)))
1265 (setq marks (delq arts (gnus-info-marks info)))
1266 (gnus-info-set-marks info marks)
1268 (concat "(gnus-group-set-info '"
1269 (gnus-prin1-to-string info)
1273 ;;; Agent Category Mode
1276 (defvar gnus-category-mode-hook nil
1277 "Hook run in `gnus-category-mode' buffers.")
1279 (defvar gnus-category-line-format " %(%20c%): %g\n"
1280 "Format of category lines.
1282 Valid specifiers include:
1283 %c Topic name (string)
1284 %g The number of groups in the topic (integer)
1286 General format specifiers can also be used. See
1287 (gnus)Formatting Variables.")
1289 (defvar gnus-category-mode-line-format "Gnus: %%b"
1290 "The format specification for the category mode line.")
1292 (defvar gnus-agent-short-article 100
1293 "Articles that have fewer lines than this are short.")
1295 (defvar gnus-agent-long-article 200
1296 "Articles that have more lines than this are long.")
1298 (defvar gnus-agent-low-score 0
1299 "Articles that have a score lower than this have a low score.")
1301 (defvar gnus-agent-high-score 0
1302 "Articles that have a score higher than this have a high score.")
1305 ;;; Internal variables.
1307 (defvar gnus-category-buffer "*Agent Category*")
1309 (defvar gnus-category-line-format-alist
1310 `((?c gnus-tmp-name ?s)
1311 (?g gnus-tmp-groups ?d)))
1313 (defvar gnus-category-mode-line-format-alist
1314 `((?u user-defined ?s)))
1316 (defvar gnus-category-line-format-spec nil)
1317 (defvar gnus-category-mode-line-format-spec nil)
1319 (defvar gnus-category-mode-map nil)
1320 (put 'gnus-category-mode 'mode-class 'special)
1322 (unless gnus-category-mode-map
1323 (setq gnus-category-mode-map (make-sparse-keymap))
1324 (suppress-keymap gnus-category-mode-map)
1326 (gnus-define-keys gnus-category-mode-map
1327 "q" gnus-category-exit
1328 "k" gnus-category-kill
1329 "c" gnus-category-copy
1330 "a" gnus-category-add
1331 "p" gnus-category-edit-predicate
1332 "g" gnus-category-edit-groups
1333 "s" gnus-category-edit-score
1334 "l" gnus-category-list
1336 "\C-c\C-i" gnus-info-find-node
1337 "\C-c\C-b" gnus-bug))
1339 (defvar gnus-category-menu-hook nil
1340 "*Hook run after the creation of the menu.")
1342 (defun gnus-category-make-menu-bar ()
1343 (gnus-turn-off-edit-menu 'category)
1344 (unless (boundp 'gnus-category-menu)
1346 gnus-category-menu gnus-category-mode-map ""
1348 ["Add" gnus-category-add t]
1349 ["Kill" gnus-category-kill t]
1350 ["Copy" gnus-category-copy t]
1351 ["Edit predicate" gnus-category-edit-predicate t]
1352 ["Edit score" gnus-category-edit-score t]
1353 ["Edit groups" gnus-category-edit-groups t]
1354 ["Exit" gnus-category-exit t]))
1356 (gnus-run-hooks 'gnus-category-menu-hook)))
1358 (defun gnus-category-mode ()
1359 "Major mode for listing and editing agent categories.
1361 All normal editing commands are switched off.
1362 \\<gnus-category-mode-map>
1363 For more in-depth information on this mode, read the manual
1364 (`\\[gnus-info-find-node]').
1366 The following commands are available:
1368 \\{gnus-category-mode-map}"
1370 (when (gnus-visual-p 'category-menu 'menu)
1371 (gnus-category-make-menu-bar))
1372 (kill-all-local-variables)
1373 (gnus-simplify-mode-line)
1374 (setq major-mode 'gnus-category-mode)
1375 (setq mode-name "Category")
1376 (gnus-set-default-directory)
1377 (setq mode-line-process nil)
1378 (use-local-map gnus-category-mode-map)
1379 (buffer-disable-undo)
1380 (setq truncate-lines t)
1381 (setq buffer-read-only t)
1382 (gnus-run-hooks 'gnus-category-mode-hook))
1384 (defalias 'gnus-category-position-point 'gnus-goto-colon)
1386 (defun gnus-category-insert-line (category)
1387 (let* ((gnus-tmp-name (format "%s" (car category)))
1388 (gnus-tmp-groups (length (cadddr category))))
1390 (gnus-add-text-properties
1394 (eval gnus-category-line-format-spec))
1395 (list 'gnus-category gnus-tmp-name))))
1397 (defun gnus-enter-category-buffer ()
1398 "Go to the Category buffer."
1400 (gnus-category-setup-buffer)
1401 (gnus-configure-windows 'category)
1402 (gnus-category-prepare))
1404 (defun gnus-category-setup-buffer ()
1405 (unless (get-buffer gnus-category-buffer)
1407 (set-buffer (gnus-get-buffer-create gnus-category-buffer))
1408 (gnus-category-mode))))
1410 (defun gnus-category-prepare ()
1411 (gnus-set-format 'category-mode)
1412 (gnus-set-format 'category t)
1413 (let ((alist gnus-category-alist)
1414 (buffer-read-only nil))
1417 (gnus-category-insert-line (pop alist)))
1418 (goto-char (point-min))
1419 (gnus-category-position-point)))
1421 (defun gnus-category-name ()
1422 (or (intern (get-text-property (gnus-point-at-bol) 'gnus-category))
1423 (error "No category on the current line")))
1425 (defun gnus-category-read ()
1426 "Read the category alist."
1427 (setq gnus-category-alist
1428 (or (gnus-agent-read-file
1429 (nnheader-concat gnus-agent-directory "lib/categories"))
1430 (list (list 'default 'short nil nil)))))
1432 (defun gnus-category-write ()
1433 "Write the category alist."
1434 (setq gnus-category-predicate-cache nil
1435 gnus-category-group-cache nil)
1436 (gnus-make-directory (nnheader-concat gnus-agent-directory "lib"))
1437 (with-temp-file (nnheader-concat gnus-agent-directory "lib/categories")
1438 (prin1 gnus-category-alist (current-buffer))))
1440 (defun gnus-category-edit-predicate (category)
1441 "Edit the predicate for CATEGORY."
1442 (interactive (list (gnus-category-name)))
1443 (let ((info (assq category gnus-category-alist)))
1445 (cadr info) (format "Editing the predicate for category %s" category)
1446 `(lambda (predicate)
1447 (setcar (cdr (assq ',category gnus-category-alist)) predicate)
1448 (gnus-category-write)
1449 (gnus-category-list)))))
1451 (defun gnus-category-edit-score (category)
1452 "Edit the score expression for CATEGORY."
1453 (interactive (list (gnus-category-name)))
1454 (let ((info (assq category gnus-category-alist)))
1457 (format "Editing the score expression for category %s" category)
1459 (setcar (cddr (assq ',category gnus-category-alist)) groups)
1460 (gnus-category-write)
1461 (gnus-category-list)))))
1463 (defun gnus-category-edit-groups (category)
1464 "Edit the group list for CATEGORY."
1465 (interactive (list (gnus-category-name)))
1466 (let ((info (assq category gnus-category-alist)))
1468 (cadddr info) (format "Editing the group list for category %s" category)
1470 (setcar (nthcdr 3 (assq ',category gnus-category-alist)) groups)
1471 (gnus-category-write)
1472 (gnus-category-list)))))
1474 (defun gnus-category-kill (category)
1475 "Kill the current category."
1476 (interactive (list (gnus-category-name)))
1477 (let ((info (assq category gnus-category-alist))
1478 (buffer-read-only nil))
1480 (setq gnus-category-alist (delq info gnus-category-alist))
1481 (gnus-category-write)))
1483 (defun gnus-category-copy (category to)
1484 "Copy the current category."
1485 (interactive (list (gnus-category-name) (intern (read-string "New name: "))))
1486 (let ((info (assq category gnus-category-alist)))
1487 (push (list to (gnus-copy-sequence (cadr info))
1488 (gnus-copy-sequence (caddr info)) nil)
1489 gnus-category-alist)
1490 (gnus-category-write)
1491 (gnus-category-list)))
1493 (defun gnus-category-add (category)
1494 "Create a new category."
1495 (interactive "SCategory name: ")
1496 (when (assq category gnus-category-alist)
1497 (error "Category %s already exists" category))
1498 (push (list category 'false nil nil)
1499 gnus-category-alist)
1500 (gnus-category-write)
1501 (gnus-category-list))
1503 (defun gnus-category-list ()
1504 "List all categories."
1506 (gnus-category-prepare))
1508 (defun gnus-category-exit ()
1509 "Return to the group buffer."
1511 (kill-buffer (current-buffer))
1512 (gnus-configure-windows 'group t))
1514 ;; To avoid having 8-bit characters in the source file.
1515 (defvar gnus-category-not (list '! 'not (intern (format "%c" 172))))
1517 (defvar gnus-category-predicate-alist
1518 '((spam . gnus-agent-spam-p)
1519 (short . gnus-agent-short-p)
1520 (long . gnus-agent-long-p)
1521 (low . gnus-agent-low-scored-p)
1522 (high . gnus-agent-high-scored-p)
1523 (true . gnus-agent-true)
1524 (false . gnus-agent-false))
1525 "Mapping from short score predicate symbols to predicate functions.")
1527 (defun gnus-agent-spam-p ()
1528 "Say whether an article is spam or not."
1529 (unless gnus-agent-spam-hashtb
1530 (setq gnus-agent-spam-hashtb (gnus-make-hashtable 1000)))
1531 (if (not (equal (mail-header-references gnus-headers) ""))
1533 (let ((string (gnus-simplify-subject (mail-header-subject gnus-headers))))
1535 (gnus-gethash string gnus-agent-spam-hashtb)
1536 (gnus-sethash string t gnus-agent-spam-hashtb)))))
1538 (defun gnus-agent-short-p ()
1539 "Say whether an article is short or not."
1540 (< (mail-header-lines gnus-headers) gnus-agent-short-article))
1542 (defun gnus-agent-long-p ()
1543 "Say whether an article is long or not."
1544 (> (mail-header-lines gnus-headers) gnus-agent-long-article))
1546 (defun gnus-agent-low-scored-p ()
1547 "Say whether an article has a low score or not."
1548 (< gnus-score gnus-agent-low-score))
1550 (defun gnus-agent-high-scored-p ()
1551 "Say whether an article has a high score or not."
1552 (> gnus-score gnus-agent-high-score))
1554 (defun gnus-category-make-function (cat)
1555 "Make a function from category CAT."
1556 (let ((func (gnus-category-make-function-1 cat)))
1557 (if (and (= (length func) 1)
1558 (symbolp (car func)))
1560 (gnus-byte-compile `(lambda () ,func)))))
1562 (defun gnus-agent-true ()
1566 (defun gnus-agent-false ()
1570 (defun gnus-category-make-function-1 (cat)
1571 "Make a function from category CAT."
1573 ;; Functions are just returned as is.
1575 (gnus-functionp cat))
1576 `(,(or (cdr (assq cat gnus-category-predicate-alist))
1578 ;; More complex category.
1581 ((memq (car cat) '(& and))
1583 ((memq (car cat) '(| or))
1585 ((memq (car cat) gnus-category-not)
1587 ,@(mapcar 'gnus-category-make-function-1 (cdr cat))))
1589 (error "Unknown category type: %s" cat))))
1591 (defun gnus-get-predicate (predicate)
1592 "Return the predicate for CATEGORY."
1593 (or (cdr (assoc predicate gnus-category-predicate-cache))
1594 (cdar (push (cons predicate
1595 (gnus-category-make-function predicate))
1596 gnus-category-predicate-cache))))
1598 (defun gnus-group-category (group)
1599 "Return the category GROUP belongs to."
1600 (unless gnus-category-group-cache
1601 (setq gnus-category-group-cache (gnus-make-hashtable 1000))
1602 (let ((cs gnus-category-alist)
1604 (while (setq cat (pop cs))
1605 (setq groups (cadddr cat))
1607 (gnus-sethash (pop groups) cat gnus-category-group-cache)))))
1608 (or (gnus-gethash group gnus-category-group-cache)
1609 (assq 'default gnus-category-alist)))
1611 (defun gnus-agent-expire ()
1612 "Expire all old articles."
1614 (let ((methods gnus-agent-covered-methods)
1615 (day (if (numberp gnus-agent-expire-days)
1616 (- (time-to-days (current-time)) gnus-agent-expire-days)
1618 (current-day (time-to-days (current-time)))
1619 gnus-command-method sym group articles
1620 history overview file histories elem art nov-file low info
1621 unreads marked article orig lowest highest found days)
1623 (setq overview (gnus-get-buffer-create " *expire overview*"))
1624 (while (setq gnus-command-method (pop methods))
1625 (when (file-exists-p (gnus-agent-lib-file "active"))
1627 (nnheader-insert-file-contents (gnus-agent-lib-file "active"))
1628 (gnus-active-to-gnus-format
1630 (setq orig (gnus-make-hashtable
1631 (count-lines (point-min) (point-max))))))
1632 (let ((expiry-hashtb (gnus-make-hashtable 1023)))
1633 (gnus-agent-open-history)
1635 (setq gnus-agent-current-history
1636 (setq history (gnus-agent-history-buffer))))
1637 (goto-char (point-min))
1638 (when (> (buffer-size) 1)
1639 (goto-char (point-min))
1641 (skip-chars-forward "^\t")
1642 (if (let ((fetch-date (read (current-buffer))))
1643 (if (numberp fetch-date)
1644 ;; We now have the arrival day, so we see
1645 ;; whether it's old enough to be expired.
1648 (skip-chars-forward "\t")
1650 days gnus-agent-expire-days)
1651 (while (and (not found)
1653 (when (looking-at (caar days))
1654 (setq found (cadar days)))
1656 (> fetch-date (- current-day found)))
1657 ;; History file is corrupted.
1660 (format "File %s is corrupted!"
1661 (gnus-agent-lib-file "history")))
1665 ;; New article; we don't expire it.
1667 ;; Old article. Schedule it for possible nuking.
1669 (setq sym (let ((obarray expiry-hashtb) s)
1670 (setq s (read (current-buffer)))
1671 (if (stringp s) (intern s) s)))
1673 (set sym (cons (cons (read (current-buffer)) (point))
1674 (symbol-value sym)))
1675 (set sym (list (cons (read (current-buffer)) (point)))))
1676 (skip-chars-forward " "))
1678 ;; We now have all articles that can possibly be expired.
1681 (setq group (symbol-name sym)
1682 articles (sort (symbol-value sym) 'car-less-than-car)
1683 low (car (gnus-active group))
1684 info (gnus-get-info group)
1685 unreads (ignore-errors
1686 (gnus-list-of-unread-articles group))
1688 (gnus-uncompress-range
1689 (cdr (assq 'tick (gnus-info-marks info))))
1690 (gnus-uncompress-range
1692 (gnus-info-marks info)))))
1693 nov-file (gnus-agent-article-name ".overview" group)
1696 (gnus-agent-load-alist group)
1697 (gnus-message 5 "Expiring articles in %s" group)
1698 (set-buffer overview)
1700 (when (file-exists-p nov-file)
1701 (nnheader-insert-file-contents nov-file))
1702 (goto-char (point-min))
1704 (while (setq elem (pop articles))
1705 (setq article (car elem))
1706 (when (or (null low)
1708 gnus-agent-expire-all
1709 (and (not (memq article unreads))
1710 (not (memq article marked))))
1711 ;; Find and nuke the NOV line.
1712 (while (and (not (eobp))
1714 (setq art (read (current-buffer)))))
1716 (if (and (numberp art)
1718 (gnus-agent-article-name
1719 (number-to-string art) group)))
1725 ;; Remove old NOV lines that have no articles.
1726 (gnus-delete-line)))
1731 ;; Nuke the article.
1732 (when (file-exists-p
1733 (setq file (gnus-agent-article-name
1734 (number-to-string article)
1737 ;; Schedule the history line for nuking.
1738 (push (cdr elem) histories)))
1739 (gnus-make-directory (file-name-directory nov-file))
1740 (let ((coding-system-for-write
1741 gnus-agent-file-coding-system))
1742 (write-region (point-min) (point-max) nov-file nil 'silent))
1743 ;; Delete the unwanted entries in the alist.
1744 (setq gnus-agent-article-alist
1745 (sort gnus-agent-article-alist 'car-less-than-car))
1746 (let* ((alist gnus-agent-article-alist)
1747 (prev (cons nil alist))
1751 (<= (caar alist) article))
1752 (if (or (not (cdar alist))
1754 (gnus-agent-article-name
1759 (push (caar alist) expired)
1760 (setcdr prev (setq alist (cdr alist))))
1762 alist (cdr alist))))
1763 (setq gnus-agent-article-alist (cdr first))
1764 (gnus-agent-save-alist group)
1765 ;; Mark all articles up to the first article
1766 ;; in `gnus-article-alist' as read.
1767 (when (and info (caar gnus-agent-article-alist))
1768 (setcar (nthcdr 2 info)
1771 (cons 1 (- (caar gnus-agent-article-alist) 1)))))
1772 ;; Maybe everything has been expired from
1773 ;; `gnus-article-alist' and so the above marking as
1774 ;; read could not be conducted, or there are
1775 ;; expired article within the range of the alist.
1778 (or (not (caar gnus-agent-article-alist))
1780 (caar gnus-agent-article-alist))))
1781 (setcar (nthcdr 2 info)
1784 (nreverse expired))))
1786 (concat "(gnus-group-set-info '"
1787 (gnus-prin1-to-string info)
1790 (if (gnus-gethash group orig)
1791 (setcar (gnus-gethash group orig) lowest)
1792 (gnus-sethash group (cons lowest highest) orig))))
1794 (set-buffer history)
1795 (setq histories (nreverse (sort histories '<)))
1797 (goto-char (pop histories))
1799 (gnus-agent-save-history)
1800 (gnus-agent-close-history)
1801 (gnus-write-active-file
1802 (gnus-agent-lib-file "active") orig))
1803 (gnus-message 4 "Expiry...done")))))))
1806 (defun gnus-agent-batch ()
1808 (let ((init-file-user "")
1809 (gnus-always-read-dribble-file t))
1811 (let ((gnus-agent-confirmation-function 'gnus-agent-batch-confirmation))
1812 (gnus-group-send-queue)
1813 (gnus-agent-fetch-session)))
1815 (defun gnus-agent-retrieve-headers (articles group &optional fetch-old)
1817 (gnus-agent-create-buffer)
1818 (let ((gnus-decode-encoded-word-function 'identity)
1819 (file (gnus-agent-article-name ".overview" group))
1820 cached-articles uncached-articles)
1821 (gnus-make-directory (nnheader-translate-file-chars
1822 (file-name-directory file) t))
1823 (when (file-exists-p file)
1824 (with-current-buffer gnus-agent-overview-buffer
1826 (let ((nnheader-file-coding-system
1827 gnus-agent-file-coding-system))
1828 (nnheader-insert-file-contents file))
1829 (goto-char (point-min))
1831 (when (looking-at "[0-9]")
1832 (push (read (current-buffer)) cached-articles))
1834 (setq cached-articles (sort cached-articles '<))))
1835 (if (setq uncached-articles
1836 (gnus-set-difference articles cached-articles))
1838 (set-buffer nntp-server-buffer)
1840 (let (gnus-agent-cache)
1842 (gnus-retrieve-headers
1843 uncached-articles group fetch-old))
1844 (nnvirtual-convert-headers)))
1845 (set-buffer gnus-agent-overview-buffer)
1847 (set-buffer nntp-server-buffer)
1848 (copy-to-buffer gnus-agent-overview-buffer (point-min) (point-max))
1849 (when (and uncached-articles (file-exists-p file))
1850 (gnus-agent-braid-nov group uncached-articles file))
1851 (set-buffer nntp-server-buffer)
1852 (let ((coding-system-for-write
1853 gnus-agent-file-coding-system))
1854 (write-region (point-min) (point-max) file nil 'silent))
1855 (gnus-agent-load-alist group)
1856 (gnus-agent-save-alist group uncached-articles nil)
1857 (gnus-agent-open-history)
1858 (setq gnus-agent-current-history (gnus-agent-history-buffer))
1859 (gnus-agent-enter-history
1860 "last-header-fetched-for-session"
1861 (list (cons group (nth (- (length articles) 1) articles)))
1862 (time-to-days (current-time)))
1863 (gnus-agent-save-history))
1864 (set-buffer nntp-server-buffer)
1866 (insert-buffer-substring gnus-agent-overview-buffer)))
1868 (not (numberp fetch-old)))
1869 t ; Don't remove anything.
1870 (nnheader-nov-delete-outside-range
1871 (if fetch-old (max 1 (- (car articles) fetch-old))
1873 (car (last articles)))
1877 (defun gnus-agent-request-article (article group)
1878 "Retrieve ARTICLE in GROUP from the agent cache."
1879 (let* ((gnus-command-method (gnus-find-method-for-group group))
1881 (gnus-agent-directory)
1882 (gnus-agent-group-path group) "/"
1883 (number-to-string article)))
1884 (buffer-read-only nil))
1885 (when (and (file-exists-p file)
1886 (> (nth 7 (file-attributes file)) 0))
1888 (gnus-kill-all-overlays)
1889 (let ((coding-system-for-read gnus-cache-coding-system))
1890 (insert-file-contents file))
1893 (defun gnus-agent-regenerate-group (group &optional clean)
1895 (let ((dir (concat (gnus-agent-directory)
1896 (gnus-agent-group-path group) "/"))
1897 (file (gnus-agent-article-name ".overview" group))
1898 n point arts alist header new-alist changed)
1899 (when (file-exists-p dir)
1901 (sort (mapcar (lambda (name) (string-to-int name))
1902 (directory-files dir nil "^[0-9]+$" t))
1904 (gnus-make-directory (nnheader-translate-file-chars
1905 (file-name-directory file) t))
1906 (mm-with-unibyte-buffer
1907 (if (file-exists-p file)
1908 (let ((nnheader-file-coding-system
1909 gnus-agent-file-coding-system))
1910 (nnheader-insert-file-contents file)))
1911 (goto-char (point-min))
1913 (while (not (or (eobp) (looking-at "[0-9]")))
1914 (setq point (point))
1916 (delete-region point (point)))
1918 (setq n (read (current-buffer)))
1919 (when (and arts (> n (car arts)))
1921 (while (and arts (> n (car arts)))
1922 (message "Regenerating NOV %s %d..." group (car arts))
1923 (mm-with-unibyte-buffer
1924 (nnheader-insert-file-contents
1925 (concat dir (number-to-string (car arts))))
1926 (goto-char (point-min))
1927 (if (search-forward "\n\n" nil t)
1928 (delete-region (point) (point-max))
1929 (goto-char (point-max)))
1930 (setq header (nnheader-parse-head t)))
1931 (mail-header-set-number header (car arts))
1932 (nnheader-insert-nov header)
1934 (push (cons (car arts) t) alist)
1936 (if (and arts (= n (car arts)))
1938 (push (cons n t) alist)
1940 (push (cons n nil) alist))
1943 (let ((coding-system-for-write gnus-agent-file-coding-system))
1944 (write-region (point-min) (point-max) file nil 'silent))))
1945 (setq gnus-agent-article-alist nil)
1947 (gnus-agent-load-alist group))
1948 (setq alist (sort alist 'car-less-than-car))
1949 (setq gnus-agent-article-alist (sort gnus-agent-article-alist
1950 'car-less-than-car))
1951 (while (and alist gnus-agent-article-alist)
1953 ((< (caar alist) (caar gnus-agent-article-alist))
1954 (push (pop alist) new-alist))
1955 ((> (caar alist) (caar gnus-agent-article-alist))
1956 (push (list (car (pop gnus-agent-article-alist))) new-alist))
1958 (pop gnus-agent-article-alist)
1959 (while (and gnus-agent-article-alist
1960 (= (caar alist) (caar gnus-agent-article-alist)))
1961 (pop gnus-agent-article-alist))
1962 (push (pop alist) new-alist))))
1964 (push (pop alist) new-alist))
1965 (while gnus-agent-article-alist
1966 (push (list (car (pop gnus-agent-article-alist))) new-alist))
1967 (setq gnus-agent-article-alist (nreverse new-alist))
1968 (gnus-agent-save-alist group)))
1970 (defun gnus-agent-regenerate-history (group article)
1971 (let ((file (concat (gnus-agent-directory)
1972 (gnus-agent-group-path group) "/"
1973 (number-to-string article))) id)
1974 (mm-with-unibyte-buffer
1975 (nnheader-insert-file-contents file)
1976 (message-narrow-to-head)
1977 (goto-char (point-min))
1978 (if (not (re-search-forward "^Message-ID: *<\\([^>\n]+\\)>" nil t))
1979 (setq id "No-Message-ID-in-article")
1980 (setq id (buffer-substring (match-beginning 1) (match-end 1))))
1981 (gnus-agent-enter-history
1982 id (list (cons group article))
1983 (time-to-days (nth 5 (file-attributes file)))))))
1986 (defun gnus-agent-regenerate (&optional clean)
1987 "Regenerate all agent covered files.
1988 If CLEAN, don't read existing active and agentview files."
1990 (message "Regenerating Gnus agent files...")
1991 (dolist (gnus-command-method gnus-agent-covered-methods)
1992 (let ((active-file (gnus-agent-lib-file "active"))
1993 history-hashtb active-hashtb active-changed
1994 history-changed point)
1995 (gnus-make-directory (file-name-directory active-file))
1997 (setq active-hashtb (gnus-make-hashtable 1000))
1998 (mm-with-unibyte-buffer
1999 (if (file-exists-p active-file)
2000 (let ((nnheader-file-coding-system
2001 gnus-agent-file-coding-system))
2002 (nnheader-insert-file-contents active-file))
2003 (setq active-changed t))
2004 (gnus-active-to-gnus-format
2005 nil (setq active-hashtb
2006 (gnus-make-hashtable
2007 (count-lines (point-min) (point-max)))))))
2008 (gnus-agent-open-history)
2009 (setq history-hashtb (gnus-make-hashtable 1000))
2010 (with-current-buffer
2011 (setq gnus-agent-current-history (gnus-agent-history-buffer))
2012 (goto-char (point-min))
2016 "\\([^\t\n]+\\)\t[0-9]+\t\\([^ \n]+\\) \\([0-9]+\\)")
2018 (unless (string= (match-string 1)
2019 "last-header-fetched-for-session")
2020 (gnus-sethash (match-string 2)
2021 (cons (string-to-number (match-string 3))
2022 (gnus-gethash-safe (match-string 2)
2026 (setq point (point))
2028 (delete-region point (point))
2029 (setq history-changed t))))
2030 (dolist (group (gnus-groups-from-server gnus-command-method))
2031 (gnus-agent-regenerate-group group clean)
2032 (let ((min (or (caar gnus-agent-article-alist) 1))
2033 (max (or (caar (last gnus-agent-article-alist)) 0))
2034 (active (gnus-gethash-safe (gnus-group-real-name group)
2038 (setq active (cons min max)
2040 (gnus-sethash group active active-hashtb))
2041 (when (> (car active) min)
2043 (setq active-changed t))
2044 (when (< (cdr active) max)
2046 (setq active-changed t))))
2047 (let ((arts (sort (gnus-gethash-safe group history-hashtb) '<))
2049 (gnus-sethash group arts history-hashtb)
2050 (while (and arts gnus-agent-article-alist)
2052 ((> (car arts) (caar gnus-agent-article-alist))
2053 (when (cdar gnus-agent-article-alist)
2054 (gnus-agent-regenerate-history
2055 group (caar gnus-agent-article-alist))
2056 (setq history-changed t))
2057 (setq n (car (pop gnus-agent-article-alist)))
2058 (while (and gnus-agent-article-alist
2059 (= n (caar gnus-agent-article-alist)))
2060 (pop gnus-agent-article-alist)))
2061 ((< (car arts) (caar gnus-agent-article-alist))
2063 (while (and arts (= n (car arts)))
2066 (setq n (car (pop gnus-agent-article-alist)))
2067 (while (and gnus-agent-article-alist
2068 (= n (caar gnus-agent-article-alist)))
2069 (pop gnus-agent-article-alist))
2071 (while (and arts (= n (car arts)))
2073 (while gnus-agent-article-alist
2074 (when (cdar gnus-agent-article-alist)
2075 (gnus-agent-regenerate-history
2076 group (caar gnus-agent-article-alist))
2077 (setq history-changed t))
2078 (pop gnus-agent-article-alist))))
2079 (when history-changed
2080 (message "Regenerate the history file of %s:%s"
2081 (car gnus-command-method)
2082 (cadr gnus-command-method))
2083 (gnus-agent-save-history))
2084 (gnus-agent-close-history)
2085 (when active-changed
2086 (message "Regenerate %s" active-file)
2087 (let ((nnmail-active-file-coding-system gnus-agent-file-coding-system))
2088 (gnus-write-active-file active-file active-hashtb)))))
2089 (message "Regenerating Gnus agent files...done"))
2091 (defun gnus-agent-go-online (&optional force)
2092 "Switch servers into online status."
2093 (interactive (list t))
2094 (dolist (server gnus-opened-servers)
2095 (when (eq (nth 1 server) 'offline)
2096 (if (if (eq force 'ask)
2098 (format "Switch %s:%s into online status? "
2099 (caar server) (cadar server)))
2101 (setcar (nthcdr 1 server) 'close)))))
2103 (defun gnus-agent-toggle-group-plugged (group)
2104 "Toggle the status of the server of the current group."
2105 (interactive (list (gnus-group-group-name)))
2106 (let* ((method (gnus-find-method-for-group group))
2107 (status (cadr (assoc method gnus-opened-servers))))
2108 (if (eq status 'offline)
2109 (gnus-server-set-status method 'closed)
2110 (gnus-close-server method)
2111 (gnus-server-set-status method 'offline))
2112 (message "Turn %s:%s from %s to %s." (car method) (cadr method)
2113 (if (eq status 'offline) 'offline 'online)
2114 (if (eq status 'offline) 'online 'offline))))
2116 (provide 'gnus-agent)
2118 ;;; gnus-agent.el ends here