1 ;;; gnus-srvr.el --- virtual server support for Gnus
3 ;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
4 ;; 2004, 2005, 2006 Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 ;; Boston, MA 02110-1301, USA.
30 (eval-when-compile (require 'cl
))
38 (defcustom gnus-server-mode-hook nil
39 "Hook run in `gnus-server-mode' buffers."
43 (defcustom gnus-server-exit-hook nil
44 "Hook run when exiting the server buffer."
48 (defcustom gnus-server-line-format
" {%(%h:%w%)} %s%a\n"
49 "Format of server lines.
50 It works along the same lines as a normal formatting string,
51 with some simple extensions.
53 The following specs are understood:
61 General format specifiers can also be used.
62 See Info node `(gnus)Formatting Variables'."
63 :link
'(custom-manual "(gnus)Formatting Variables")
64 :group
'gnus-server-visual
67 (defcustom gnus-server-mode-line-format
"Gnus: %%b"
68 "The format specification for the server mode line."
69 :group
'gnus-server-visual
72 (defcustom gnus-server-browse-in-group-buffer nil
73 "Whether server browsing should take place in the group buffer.
74 If nil, a faster, but more primitive, buffer is used instead."
76 :group
'gnus-server-visual
79 ;;; Internal variables.
81 (defvar gnus-inserted-opened-servers nil
)
83 (defvar gnus-server-line-format-alist
84 `((?h gnus-tmp-how ?s
)
86 (?w gnus-tmp-where ?s
)
87 (?s gnus-tmp-status ?s
)
88 (?a gnus-tmp-agent ?s
)))
90 (defvar gnus-server-mode-line-format-alist
91 `((?S gnus-tmp-news-server ?s
)
92 (?M gnus-tmp-news-method ?s
)
93 (?u gnus-tmp-user-defined ?s
)))
95 (defvar gnus-server-line-format-spec nil
)
96 (defvar gnus-server-mode-line-format-spec nil
)
97 (defvar gnus-server-killed-servers nil
)
99 (defvar gnus-server-mode-map
)
101 (defvar gnus-server-menu-hook nil
102 "*Hook run after the creation of the server mode menu.")
104 (defun gnus-server-make-menu-bar ()
105 (gnus-turn-off-edit-menu 'server
)
106 (unless (boundp 'gnus-server-server-menu
)
108 gnus-server-server-menu gnus-server-mode-map
""
110 ["Add..." gnus-server-add-server t
]
111 ["Browse" gnus-server-read-server t
]
112 ["Scan" gnus-server-scan-server t
]
113 ["List" gnus-server-list-servers t
]
114 ["Kill" gnus-server-kill-server t
]
115 ["Yank" gnus-server-yank-server t
]
116 ["Copy" gnus-server-copy-server t
]
117 ["Edit" gnus-server-edit-server t
]
118 ["Regenerate" gnus-server-regenerate-server t
]
119 ["Exit" gnus-server-exit t
]))
122 gnus-server-connections-menu gnus-server-mode-map
""
124 ["Open" gnus-server-open-server t
]
125 ["Close" gnus-server-close-server t
]
126 ["Offline" gnus-server-offline-server t
]
127 ["Deny" gnus-server-deny-server t
]
129 ["Open All" gnus-server-open-all-servers t
]
130 ["Close All" gnus-server-close-all-servers t
]
131 ["Reset All" gnus-server-remove-denials t
]))
133 (gnus-run-hooks 'gnus-server-menu-hook
)))
135 (defvar gnus-server-mode-map nil
)
136 (put 'gnus-server-mode
'mode-class
'special
)
138 (unless gnus-server-mode-map
139 (setq gnus-server-mode-map
(make-sparse-keymap))
140 (suppress-keymap gnus-server-mode-map
)
142 (gnus-define-keys gnus-server-mode-map
143 " " gnus-server-read-server-in-server-buffer
144 "\r" gnus-server-read-server
145 gnus-mouse-2 gnus-server-pick-server
147 "l" gnus-server-list-servers
148 "k" gnus-server-kill-server
149 "y" gnus-server-yank-server
150 "c" gnus-server-copy-server
151 "a" gnus-server-add-server
152 "e" gnus-server-edit-server
153 "s" gnus-server-scan-server
155 "O" gnus-server-open-server
156 "\M-o" gnus-server-open-all-servers
157 "C" gnus-server-close-server
158 "\M-c" gnus-server-close-all-servers
159 "D" gnus-server-deny-server
160 "L" gnus-server-offline-server
161 "R" gnus-server-remove-denials
166 "g" gnus-server-regenerate-server
168 "\C-c\C-i" gnus-info-find-node
169 "\C-c\C-b" gnus-bug
))
171 (defface gnus-server-agent
172 '((((class color
) (background light
)) (:foreground
"PaleTurquoise" :bold t
))
173 (((class color
) (background dark
)) (:foreground
"PaleTurquoise" :bold t
))
175 "Face used for displaying AGENTIZED servers"
176 :group
'gnus-server-visual
)
177 ;; backward-compatibility alias
178 (put 'gnus-server-agent-face
'face-alias
'gnus-server-agent
)
180 (defface gnus-server-opened
181 '((((class color
) (background light
)) (:foreground
"Green3" :bold t
))
182 (((class color
) (background dark
)) (:foreground
"Green1" :bold t
))
184 "Face used for displaying OPENED servers"
185 :group
'gnus-server-visual
)
186 ;; backward-compatibility alias
187 (put 'gnus-server-opened-face
'face-alias
'gnus-server-opened
)
189 (defface gnus-server-closed
190 '((((class color
) (background light
)) (:foreground
"Steel Blue" :italic t
))
191 (((class color
) (background dark
))
192 (:foreground
"Light Steel Blue" :italic t
))
194 "Face used for displaying CLOSED servers"
195 :group
'gnus-server-visual
)
196 ;; backward-compatibility alias
197 (put 'gnus-server-closed-face
'face-alias
'gnus-server-closed
)
199 (defface gnus-server-denied
200 '((((class color
) (background light
)) (:foreground
"Red" :bold t
))
201 (((class color
) (background dark
)) (:foreground
"Pink" :bold t
))
202 (t (:inverse-video t
:bold t
)))
203 "Face used for displaying DENIED servers"
204 :group
'gnus-server-visual
)
205 ;; backward-compatibility alias
206 (put 'gnus-server-denied-face
'face-alias
'gnus-server-denied
)
208 (defface gnus-server-offline
209 '((((class color
) (background light
)) (:foreground
"Orange" :bold t
))
210 (((class color
) (background dark
)) (:foreground
"Yellow" :bold t
))
211 (t (:inverse-video t
:bold t
)))
212 "Face used for displaying OFFLINE servers"
213 :group
'gnus-server-visual
)
214 ;; backward-compatibility alias
215 (put 'gnus-server-offline-face
'face-alias
'gnus-server-offline
)
217 (defcustom gnus-server-agent-face
'gnus-server-agent
218 "Face name to use on AGENTIZED servers."
220 :group
'gnus-server-visual
223 (defcustom gnus-server-opened-face
'gnus-server-opened
224 "Face name to use on OPENED servers."
226 :group
'gnus-server-visual
229 (defcustom gnus-server-closed-face
'gnus-server-closed
230 "Face name to use on CLOSED servers."
232 :group
'gnus-server-visual
235 (defcustom gnus-server-denied-face
'gnus-server-denied
236 "Face name to use on DENIED servers."
238 :group
'gnus-server-visual
241 (defcustom gnus-server-offline-face
'gnus-server-offline
242 "Face name to use on OFFLINE servers."
244 :group
'gnus-server-visual
247 (defvar gnus-server-font-lock-keywords
249 '("(\\(agent\\))" 1 gnus-server-agent-face
)
250 '("(\\(opened\\))" 1 gnus-server-opened-face
)
251 '("(\\(closed\\))" 1 gnus-server-closed-face
)
252 '("(\\(offline\\))" 1 gnus-server-offline-face
)
253 '("(\\(denied\\))" 1 gnus-server-denied-face
)))
255 (defun gnus-server-mode ()
256 "Major mode for listing and editing servers.
258 All normal editing commands are switched off.
259 \\<gnus-server-mode-map>
260 For more in-depth information on this mode, read the manual
261 \(`\\[gnus-info-find-node]').
263 The following commands are available:
265 \\{gnus-server-mode-map}"
267 (when (gnus-visual-p 'server-menu
'menu
)
268 (gnus-server-make-menu-bar))
269 (kill-all-local-variables)
270 (gnus-simplify-mode-line)
271 (setq major-mode
'gnus-server-mode
)
272 (setq mode-name
"Server")
273 (gnus-set-default-directory)
274 (setq mode-line-process nil
)
275 (use-local-map gnus-server-mode-map
)
276 (buffer-disable-undo)
277 (setq truncate-lines t
)
278 (setq buffer-read-only t
)
279 (if (featurep 'xemacs
)
280 (put 'gnus-server-mode
'font-lock-defaults
'(gnus-server-font-lock-keywords t
))
281 (set (make-local-variable 'font-lock-defaults
)
282 '(gnus-server-font-lock-keywords t
)))
283 (gnus-run-mode-hooks 'gnus-server-mode-hook
))
285 (defun gnus-server-insert-server-line (gnus-tmp-name method
)
286 (let* ((gnus-tmp-how (car method
))
287 (gnus-tmp-where (nth 1 method
))
288 (elem (assoc method gnus-opened-servers
))
291 ((eq (nth 1 elem
) 'denied
) "(denied)")
292 ((eq (nth 1 elem
) 'offline
) "(offline)")
295 (if (or (gnus-server-opened method
)
296 (eq (nth 1 elem
) 'ok
))
299 ((error) "(error)")))))
300 (gnus-tmp-agent (if (and gnus-agent
301 (gnus-agent-method-p method
))
305 (gnus-add-text-properties
309 (eval gnus-server-line-format-spec
))
310 (list 'gnus-server
(intern gnus-tmp-name
)
311 'gnus-named-server
(intern (gnus-method-to-server method
))))))
313 (defun gnus-enter-server-buffer ()
314 "Set up the server buffer."
315 (gnus-server-setup-buffer)
316 (gnus-configure-windows 'server
)
317 (gnus-server-prepare))
319 (defun gnus-server-setup-buffer ()
320 "Initialize the server buffer."
321 (unless (get-buffer gnus-server-buffer
)
323 (set-buffer (gnus-get-buffer-create gnus-server-buffer
))
326 (gnus-carpal-setup-buffer 'server
)))))
328 (defun gnus-server-prepare ()
329 (gnus-set-format 'server-mode
)
330 (gnus-set-format 'server t
)
331 (let ((alist gnus-server-alist
)
332 (buffer-read-only nil
)
333 (opened gnus-opened-servers
)
336 (setq gnus-inserted-opened-servers nil
)
337 ;; First we do the real list of servers.
339 (unless (member (cdar alist
) done
)
340 (push (cdar alist
) done
)
341 (setq server
(pop alist
))
342 (when (and server
(car server
) (cdr server
))
343 (gnus-server-insert-server-line (car server
) (cdr server
))))
344 (when (member (cdar alist
) done
)
346 ;; Then we insert the list of servers that have been opened in
349 (when (and (not (member (caar opened
) done
))
350 ;; Just ignore ephemeral servers.
351 (not (member (caar opened
) gnus-ephemeral-servers
)))
352 (push (caar opened
) done
)
353 (gnus-server-insert-server-line
354 (setq op-ser
(format "%s:%s" (caaar opened
) (nth 1 (caar opened
))))
356 (push (list op-ser
(caar opened
)) gnus-inserted-opened-servers
))
357 (setq opened
(cdr opened
))))
358 (goto-char (point-min))
359 (gnus-server-position-point))
361 (defun gnus-server-server-name ()
362 (let ((server (get-text-property (gnus-point-at-bol) 'gnus-server
)))
363 (and server
(symbol-name server
))))
365 (defun gnus-server-named-server ()
366 "Returns a server name that matches one of the names returned by
367 gnus-method-to-server."
368 (let ((server (get-text-property (gnus-point-at-bol) 'gnus-named-server
)))
369 (and server
(symbol-name server
))))
371 (defalias 'gnus-server-position-point
'gnus-goto-colon
)
373 (defconst gnus-server-edit-buffer
"*Gnus edit server*")
375 (defun gnus-server-update-server (server)
377 (set-buffer gnus-server-buffer
)
378 (let* ((buffer-read-only nil
)
379 (entry (assoc server gnus-server-alist
))
380 (oentry (assoc (gnus-server-to-method server
)
381 gnus-opened-servers
)))
384 (concat "(gnus-server-set-info \"" server
"\" '"
385 (gnus-prin1-to-string (cdr entry
)) ")\n")))
386 (when (or entry oentry
)
387 ;; Buffer may be narrowed.
390 (when (gnus-server-goto-server server
)
393 (gnus-server-insert-server-line (car entry
) (cdr entry
))
394 (gnus-server-insert-server-line
395 (format "%s:%s" (caar oentry
) (nth 1 (car oentry
)))
397 (gnus-server-position-point))))))
399 (defun gnus-server-set-info (server info
)
400 ;; Enter a select method into the virtual server alist.
401 (when (and server info
)
403 (concat "(gnus-server-set-info \"" server
"\" '"
404 (gnus-prin1-to-string info
) ")"))
405 (let* ((server (nth 1 info
))
406 (entry (assoc server gnus-server-alist
))
407 (cached (assoc server gnus-server-method-cache
)))
409 (setq gnus-server-method-cache
410 (delq cached gnus-server-method-cache
)))
411 (if entry
(setcdr entry info
)
412 (setq gnus-server-alist
413 (nconc gnus-server-alist
(list (cons server info
))))))))
415 ;;; Interactive server functions.
417 (defun gnus-server-kill-server (server)
418 "Kill the server on the current line."
419 (interactive (list (gnus-server-server-name)))
420 (unless (gnus-server-goto-server server
)
421 (if server
(error "No such server: %s" server
)
422 (error "No server on the current line")))
423 (unless (assoc server gnus-server-alist
)
424 (error "Read-only server %s" server
))
426 (let ((buffer-read-only nil
))
428 (push (assoc server gnus-server-alist
) gnus-server-killed-servers
)
429 (setq gnus-server-alist
(delq (car gnus-server-killed-servers
)
431 (let ((groups (gnus-groups-from-server server
)))
434 (format "Kill all %s groups from this server? "
436 (dolist (group groups
)
437 (setq gnus-newsrc-alist
438 (delq (assoc group gnus-newsrc-alist
)
440 (when gnus-group-change-level-function
441 (funcall gnus-group-change-level-function
442 group gnus-level-killed
3)))))
443 (gnus-server-position-point))
445 (defun gnus-server-yank-server ()
446 "Yank the previously killed server."
448 (unless gnus-server-killed-servers
449 (error "No killed servers to be yanked"))
450 (let ((alist gnus-server-alist
)
451 (server (gnus-server-server-name))
452 (killed (car gnus-server-killed-servers
)))
454 (setq gnus-server-alist
(nconc gnus-server-alist
(list killed
)))
455 (if (string= server
(caar gnus-server-alist
))
456 (push killed gnus-server-alist
)
457 (while (and (cdr alist
)
458 (not (string= server
(caadr alist
))))
459 (setq alist
(cdr alist
)))
461 (setcdr alist
(cons killed
(cdr alist
)))
462 (setq gnus-server-alist
(list killed
)))))
463 (gnus-server-update-server (car killed
))
464 (setq gnus-server-killed-servers
(cdr gnus-server-killed-servers
))
465 (gnus-server-position-point)))
467 (defun gnus-server-exit ()
468 "Return to the group buffer."
470 (gnus-run-hooks 'gnus-server-exit-hook
)
471 (gnus-kill-buffer (current-buffer))
472 (gnus-configure-windows 'group t
))
474 (defun gnus-server-list-servers ()
475 "List all available servers."
477 (let ((cur (gnus-server-server-name)))
478 (gnus-server-prepare)
479 (if cur
(gnus-server-goto-server cur
)
480 (goto-char (point-max))
482 (gnus-server-position-point)))
484 (defun gnus-server-set-status (method status
)
485 "Make METHOD have STATUS."
486 (let ((entry (assoc method gnus-opened-servers
)))
488 (setcar (cdr entry
) status
)
489 (push (list method status
) gnus-opened-servers
))))
491 (defun gnus-opened-servers-remove (method)
492 "Remove METHOD from the list of opened servers."
493 (setq gnus-opened-servers
(delq (assoc method gnus-opened-servers
)
494 gnus-opened-servers
)))
496 (defun gnus-server-open-server (server)
497 "Force an open of SERVER."
498 (interactive (list (gnus-server-server-name)))
499 (let ((method (gnus-server-to-method server
)))
501 (error "No such server: %s" server
))
502 (gnus-server-set-status method
'ok
)
504 (or (gnus-open-server method
)
505 (progn (message "Couldn't open %s" server
) nil
))
506 (gnus-server-update-server server
)
507 (gnus-server-position-point))))
509 (defun gnus-server-open-all-servers ()
512 (let ((servers gnus-inserted-opened-servers
))
514 (gnus-server-open-server (car (pop servers
))))))
516 (defun gnus-server-close-server (server)
518 (interactive (list (gnus-server-server-name)))
519 (let ((method (gnus-server-to-method server
)))
521 (error "No such server: %s" server
))
522 (gnus-server-set-status method
'closed
)
524 (gnus-close-server method
)
525 (gnus-server-update-server server
)
526 (gnus-server-position-point))))
528 (defun gnus-server-offline-server (server)
529 "Set SERVER to offline."
530 (interactive (list (gnus-server-server-name)))
531 (let ((method (gnus-server-to-method server
)))
533 (error "No such server: %s" server
))
535 (gnus-close-server method
)
536 (gnus-server-set-status method
'offline
)
537 (gnus-server-update-server server
)
538 (gnus-server-position-point))))
540 (defun gnus-server-close-all-servers ()
543 (dolist (server gnus-inserted-opened-servers
)
544 (gnus-server-close-server (car server
))))
546 (defun gnus-server-deny-server (server)
547 "Make sure SERVER will never be attempted opened."
548 (interactive (list (gnus-server-server-name)))
549 (let ((method (gnus-server-to-method server
)))
551 (error "No such server: %s" server
))
552 (gnus-server-set-status method
'denied
))
553 (gnus-server-update-server server
)
554 (gnus-server-position-point)
557 (defun gnus-server-remove-denials ()
558 "Make all denied servers into closed servers."
560 (dolist (server gnus-opened-servers
)
561 (when (eq (nth 1 server
) 'denied
)
562 (setcar (nthcdr 1 server
) 'closed
)))
563 (gnus-server-list-servers))
565 (defun gnus-server-copy-server (from to
)
568 (or (gnus-server-server-name)
569 (error "No server on the current line"))
570 (read-string "Copy to: ")))
572 (error "No server on current line"))
573 (unless (and to
(not (string= to
"")))
574 (error "No name to copy to"))
575 (when (assoc to gnus-server-alist
)
576 (error "%s already exists" to
))
577 (unless (gnus-server-to-method from
)
578 (error "%s: no such server" from
))
579 (let ((to-entry (cons from
(gnus-copy-sequence
580 (gnus-server-to-method from
)))))
582 (setcar (nthcdr 2 to-entry
) to
)
583 (push to-entry gnus-server-killed-servers
)
584 (gnus-server-yank-server)))
586 (defun gnus-server-add-server (how where
)
588 (list (intern (completing-read "Server method: "
589 gnus-valid-select-methods nil t
))
590 (read-string "Server name: ")))
591 (when (assq where gnus-server-alist
)
592 (error "Server with that name already defined"))
593 (push (list where how where
) gnus-server-killed-servers
)
594 (gnus-server-yank-server))
596 (defun gnus-server-goto-server (server)
597 "Jump to a server line."
599 (list (completing-read "Goto server: " gnus-server-alist nil t
)))
600 (let ((to (text-property-any (point-min) (point-max)
601 'gnus-server
(intern server
))))
604 (gnus-server-position-point))))
606 (defun gnus-server-edit-server (server)
607 "Edit the server on the current line."
608 (interactive (list (gnus-server-server-name)))
610 (error "No server on current line"))
611 (unless (assoc server gnus-server-alist
)
612 (error "This server can't be edited"))
613 (let ((info (cdr (assoc server gnus-server-alist
))))
614 (gnus-close-server info
)
616 info
"Editing the server."
618 (gnus-server-set-info ,server form
)
619 (gnus-server-list-servers)
620 (gnus-server-position-point)))))
622 (defun gnus-server-scan-server (server)
623 "Request a scan from the current server."
624 (interactive (list (gnus-server-server-name)))
625 (let ((method (gnus-server-to-method server
)))
626 (if (not (gnus-get-function method
'request-scan
))
627 (error "Server %s can't scan" (car method
))
628 (gnus-message 3 "Scanning %s..." server
)
629 (gnus-request-scan nil method
)
630 (gnus-message 3 "Scanning %s...done" server
))))
632 (defun gnus-server-read-server-in-server-buffer (server)
633 "Browse a server in server buffer."
634 (interactive (list (gnus-server-server-name)))
635 (let (gnus-server-browse-in-group-buffer)
636 (gnus-server-read-server server
)))
638 (defun gnus-server-read-server (server)
640 (interactive (list (gnus-server-server-name)))
641 (let ((buf (current-buffer)))
643 (gnus-browse-foreign-server server buf
)
646 (gnus-server-update-server (gnus-server-server-name))
647 (gnus-server-position-point)))))
649 (defun gnus-server-pick-server (e)
652 (gnus-server-read-server (gnus-server-server-name)))
656 ;;; Browse Server Mode
659 (defvar gnus-browse-menu-hook nil
660 "*Hook run after the creation of the browse mode menu.")
662 (defvar gnus-browse-mode-hook nil
)
663 (defvar gnus-browse-mode-map nil
)
664 (put 'gnus-browse-mode
'mode-class
'special
)
666 (unless gnus-browse-mode-map
667 (setq gnus-browse-mode-map
(make-keymap))
668 (suppress-keymap gnus-browse-mode-map
)
672 " " gnus-browse-read-group
673 "=" gnus-browse-select-group
674 "n" gnus-browse-next-group
675 "p" gnus-browse-prev-group
676 "\177" gnus-browse-prev-group
677 [delete] gnus-browse-prev-group
678 "N" gnus-browse-next-group
679 "P" gnus-browse-prev-group
680 "\M-n" gnus-browse-next-group
681 "\M-p" gnus-browse-prev-group
682 "\r" gnus-browse-select-group
683 "u" gnus-browse-unsubscribe-current-group
688 "d" gnus-browse-describe-group
689 "\C-c\C-c" gnus-browse-exit
690 "?" gnus-browse-describe-briefly
692 "\C-c\C-i" gnus-info-find-node
693 "\C-c\C-b" gnus-bug))
695 (defun gnus-browse-make-menu-bar ()
696 (gnus-turn-off-edit-menu 'browse)
697 (unless (boundp 'gnus-browse-menu)
699 gnus-browse-menu gnus-browse-mode-map ""
701 ["Subscribe" gnus-browse-unsubscribe-current-group t]
702 ["Read" gnus-browse-read-group t]
703 ["Select" gnus-browse-select-group t]
704 ["Describe" gnus-browse-describe-group t]
705 ["Next" gnus-browse-next-group t]
706 ["Prev" gnus-browse-prev-group t]
707 ["Exit" gnus-browse-exit t]))
708 (gnus-run-hooks 'gnus-browse-menu-hook)))
710 (defvar gnus-browse-current-method nil)
711 (defvar gnus-browse-return-buffer nil)
713 (defvar gnus-browse-buffer "*Gnus Browse Server*")
715 (defun gnus-browse-foreign-server (server &optional return-buffer)
716 "Browse the server SERVER."
717 (setq gnus-browse-current-method (gnus-server-to-method server))
718 (setq gnus-browse-return-buffer return-buffer)
719 (let* ((method gnus-browse-current-method)
720 (orig-select-method gnus-select-method)
721 (gnus-select-method method)
723 (gnus-message 5 "Connecting to %s..." (nth 1 method))
725 ((not (gnus-check-server method))
727 1 "Unable to contact server %s: %s" (nth 1 method)
728 (gnus-status-message method))
732 (gnus-message 6 "Reading active file...")
733 (gnus-request-list method)
734 (gnus-message 6 "Reading active file...done")))
736 1 "Couldn't request list: %s" (gnus-status-message method))
739 (with-current-buffer nntp-server-buffer
740 (let ((cur (current-buffer)))
741 (goto-char (point-min))
742 (unless (string= gnus-ignored-newsgroups "")
743 (delete-matching-lines gnus-ignored-newsgroups))
744 ;; We treat NNTP as a special case to avoid problems with
745 ;; garbage group names like `"foo' that appear in some badly
746 ;; managed active files. -jh.
747 (if (eq (car method) 'nntp)
754 (skip-chars-forward "^ \t")
756 (let ((last (read cur)))
757 (cons (read cur) last)))
763 (if (eq (char-after) ?\")
765 (let ((p (point)) (name ""))
766 (skip-chars-forward "^ \t\\\\")
767 (setq name (buffer-substring p (point)))
768 (while (eq (char-after) ?\\)
769 (setq p (1+ (point)))
771 (skip-chars-forward "^ \t\\\\")
772 (setq name (concat name (buffer-substring
775 (let ((last (read cur)))
776 (cons (read cur) last)))
779 (setq groups (sort groups
781 (string< (car l1) (car l2)))))
782 (if gnus-server-browse-in-group-buffer
783 (let* ((gnus-select-method orig-select-method)
784 (gnus-group-listed-groups
785 (mapcar (lambda (group)
787 (gnus-group-prefixed-name
788 (car group) method)))
789 (gnus-set-active name (cdr group))
792 (gnus-configure-windows 'group)
793 (funcall gnus-group-prepare-function
794 gnus-level-killed 'ignore 1 'ignore))
795 (gnus-get-buffer-create gnus-browse-buffer)
797 (gnus-carpal-setup-buffer 'browse))
798 (gnus-configure-windows 'browse)
799 (buffer-disable-undo)
800 (let ((buffer-read-only nil))
803 (setq mode-line-buffer-identification
806 "Gnus: %%b {%s:%s}" (car method) (cadr method))))
807 (let ((buffer-read-only nil)
809 (prefix (let ((gnus-select-method orig-select-method))
810 (gnus-group-prefixed-name "" method))))
811 (while (setq group (pop groups))
812 (gnus-add-text-properties
816 (format "%c%7d: %s\n"
817 (let ((level (gnus-group-level
818 (concat prefix (setq name (car group))))))
820 ((<= level gnus-level-subscribed) ? )
821 ((<= level gnus-level-unsubscribed) ?U)
822 ((= level gnus-level-zombie) ?Z)
824 (max 0 (- (1+ (cddr group)) (cadr group)))
825 (mm-decode-coding-string
827 (inline (gnus-group-name-charset method name))))))
828 (list 'gnus-group name))))
829 (switch-to-buffer (current-buffer)))
830 (goto-char (point-min))
831 (gnus-group-position-point)
832 (gnus-message 5 "Connecting to %s...done" (nth 1 method))
835 (defun gnus-browse-mode ()
836 "Major mode for browsing a foreign server.
838 All normal editing commands are switched off.
840 \\<gnus-browse-mode-map>
841 The only things you can do in this buffer is
843 1) `\\[gnus-browse-unsubscribe-current-group]' to subscribe to a group.
844 The group will be inserted into the group buffer upon exit from this
847 2) `\\[gnus-browse-read-group]' to read a group ephemerally.
849 3) `\\[gnus-browse-exit]' to return to the group buffer."
851 (kill-all-local-variables)
852 (when (gnus-visual-p 'browse-menu 'menu)
853 (gnus-browse-make-menu-bar))
854 (gnus-simplify-mode-line)
855 (setq major-mode 'gnus-browse-mode)
856 (setq mode-name "Browse Server")
857 (setq mode-line-process nil)
858 (use-local-map gnus-browse-mode-map)
859 (buffer-disable-undo)
860 (setq truncate-lines t)
861 (gnus-set-default-directory)
862 (setq buffer-read-only t)
863 (gnus-run-mode-hooks 'gnus-browse-mode-hook))
865 (defun gnus-browse-read-group (&optional no-article number)
866 "Enter the group at the current line.
867 If NUMBER, fetch this number of articles."
869 (let ((group (gnus-browse-group-name)))
870 (if (or (not (gnus-get-info group))
871 (gnus-ephemeral-group-p group))
872 (unless (gnus-group-read-ephemeral-group
873 group gnus-browse-current-method nil
874 (cons (current-buffer) 'browse)
876 (error "Couldn't enter %s" group))
877 (unless (gnus-group-read-group nil no-article group)
878 (error "Couldn't enter %s" group)))))
880 (defun gnus-browse-select-group (&optional number)
881 "Select the current group.
882 If NUMBER, fetch this number of articles."
884 (gnus-browse-read-group 'no number))
886 (defun gnus-browse-next-group (n)
887 "Go to the next group."
891 (gnus-group-position-point)))
893 (defun gnus-browse-prev-group (n)
894 "Go to the next group."
896 (gnus-browse-next-group (- n)))
898 (defun gnus-browse-unsubscribe-current-group (arg)
899 "(Un)subscribe to the next ARG groups."
902 (error "No group at current line"))
903 (let ((ward (if (< arg 0) -1 1))
905 (while (and (> arg 0)
907 (gnus-browse-unsubscribe-group)
908 (zerop (gnus-browse-next-group ward)))
910 (gnus-group-position-point)
912 (gnus-message 7 "No more newsgroups"))
915 (defun gnus-browse-group-name ()
918 (let ((name (get-text-property (point) 'gnus-group)))
919 (when (re-search-forward ": \\(.*\\)$" (gnus-point-at-eol) t)
920 (concat (gnus-method-to-server-name gnus-browse-current-method) ":"
922 (match-string-no-properties 1)))))))
924 (defun gnus-browse-describe-group (group)
925 "Describe the current group."
926 (interactive (list (gnus-browse-group-name)))
927 (gnus-group-describe-group nil group))
929 (defun gnus-browse-unsubscribe-group ()
930 "Toggle subscription of the current group in the browse buffer."
932 (buffer-read-only nil)
936 ;; If this group it killed, then we want to subscribe it.
937 (unless (eq (char-after) ? )
939 (setq group (gnus-browse-group-name))
940 (when (gnus-server-equal gnus-browse-current-method "native")
941 (setq group (gnus-group-real-name group)))
944 ;; Make sure the group has been properly removed before we
946 (if (gnus-ephemeral-group-p group)
947 (gnus-kill-ephemeral-group group))
948 ;; We need to discern between killed/zombie groups and
949 ;; just unsubscribed ones.
950 (gnus-group-change-level
951 (or (gnus-group-entry group)
952 (list t group gnus-level-default-subscribed
953 nil nil (if (gnus-server-equal
954 gnus-browse-current-method "native")
956 (gnus-method-simplify
957 gnus-browse-current-method))))
958 gnus-level-default-subscribed (gnus-group-level group)
959 (and (car (nth 1 gnus-newsrc-alist))
960 (gnus-gethash (car (nth 1 gnus-newsrc-alist))
962 (null (gnus-group-entry group)))
965 (gnus-group-change-level
966 group gnus-level-unsubscribed gnus-level-default-subscribed)
971 (defun gnus-browse-exit ()
972 "Quit browsing and return to the group buffer."
974 (when (eq major-mode 'gnus-browse-mode)
975 (gnus-kill-buffer (current-buffer)))
976 ;; Insert the newly subscribed groups in the group buffer.
978 (set-buffer gnus-group-buffer)
979 (gnus-group-list-groups nil))
980 (if gnus-browse-return-buffer
981 (gnus-configure-windows 'server 'force)
982 (gnus-configure-windows 'group 'force)))
984 (defun gnus-browse-describe-briefly ()
985 "Give a one line description of the group mode commands."
988 (substitute-command-keys "\\<gnus-browse-mode-map>\\[gnus-group-next-group]:Forward \\[gnus-group-prev-group]:Backward \\[gnus-browse-exit]:Exit \\[gnus-info-find-node]:Run Info \\[gnus-browse-describe-briefly]:This help")))
990 (defun gnus-server-regenerate-server ()
991 "Issue a command to the server to regenerate all its data structures."
993 (let ((server (gnus-server-server-name)))
995 (error "No server on the current line"))
997 (gnus-get-function (gnus-server-to-method server)
1000 (error "This backend doesn't support regeneration")))
1001 (gnus-message 5 "Requesting regeneration of %s..." server)
1002 (unless (gnus-open-server server)
1003 (error "Couldn't open server"))
1004 (if (gnus-request-regenerate server)
1005 (gnus-message 5 "Requesting regeneration of %s...done" server)
1006 (gnus-message 5 "Couldn't regenerate %s" server))))
1008 (provide 'gnus-srvr)
1010 ;;; arch-tag: c0117f64-27ca-475d-9406-8da6854c7a25
1011 ;;; gnus-srvr.el ends here