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eec82323 | 1 | ;;; gnus-srvr.el --- virtual server support for Gnus |
158f4aea | 2 | ;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001 |
16409b0b | 3 | ;; Free Software Foundation, Inc. |
eec82323 | 4 | |
6748645f | 5 | ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org> |
eec82323 LMI |
6 | ;; Keywords: news |
7 | ||
8 | ;; This file is part of GNU Emacs. | |
9 | ||
10 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
11 | ;; it under the terms of the GNU General Public License as published by | |
12 | ;; the Free Software Foundation; either version 2, or (at your option) | |
13 | ;; any later version. | |
14 | ||
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
22 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
23 | ;; Boston, MA 02111-1307, USA. | |
24 | ||
25 | ;;; Commentary: | |
26 | ||
27 | ;;; Code: | |
28 | ||
5ab7173c RS |
29 | (eval-when-compile (require 'cl)) |
30 | ||
eec82323 LMI |
31 | (require 'gnus) |
32 | (require 'gnus-spec) | |
33 | (require 'gnus-group) | |
34 | (require 'gnus-int) | |
35 | (require 'gnus-range) | |
36 | ||
37 | (defvar gnus-server-mode-hook nil | |
38 | "Hook run in `gnus-server-mode' buffers.") | |
39 | ||
40 | (defconst gnus-server-line-format " {%(%h:%w%)} %s\n" | |
41 | "Format of server lines. | |
42 | It works along the same lines as a normal formatting string, | |
6748645f LMI |
43 | with some simple extensions. |
44 | ||
45 | The following specs are understood: | |
46 | ||
47 | %h backend | |
48 | %n name | |
49 | %w address | |
50 | %s status") | |
eec82323 | 51 | |
6748645f | 52 | (defvar gnus-server-mode-line-format "Gnus: %%b" |
eec82323 LMI |
53 | "The format specification for the server mode line.") |
54 | ||
55 | (defvar gnus-server-exit-hook nil | |
56 | "*Hook run when exiting the server buffer.") | |
57 | ||
58 | ;;; Internal variables. | |
59 | ||
60 | (defvar gnus-inserted-opened-servers nil) | |
61 | ||
62 | (defvar gnus-server-line-format-alist | |
6748645f LMI |
63 | `((?h gnus-tmp-how ?s) |
64 | (?n gnus-tmp-name ?s) | |
65 | (?w gnus-tmp-where ?s) | |
66 | (?s gnus-tmp-status ?s))) | |
eec82323 LMI |
67 | |
68 | (defvar gnus-server-mode-line-format-alist | |
6748645f LMI |
69 | `((?S gnus-tmp-news-server ?s) |
70 | (?M gnus-tmp-news-method ?s) | |
71 | (?u gnus-tmp-user-defined ?s))) | |
eec82323 LMI |
72 | |
73 | (defvar gnus-server-line-format-spec nil) | |
74 | (defvar gnus-server-mode-line-format-spec nil) | |
75 | (defvar gnus-server-killed-servers nil) | |
76 | ||
77 | (defvar gnus-server-mode-map) | |
78 | ||
79 | (defvar gnus-server-menu-hook nil | |
80 | "*Hook run after the creation of the server mode menu.") | |
81 | ||
82 | (defun gnus-server-make-menu-bar () | |
83 | (gnus-turn-off-edit-menu 'server) | |
84 | (unless (boundp 'gnus-server-server-menu) | |
85 | (easy-menu-define | |
86 | gnus-server-server-menu gnus-server-mode-map "" | |
87 | '("Server" | |
88 | ["Add" gnus-server-add-server t] | |
89 | ["Browse" gnus-server-read-server t] | |
90 | ["Scan" gnus-server-scan-server t] | |
91 | ["List" gnus-server-list-servers t] | |
92 | ["Kill" gnus-server-kill-server t] | |
93 | ["Yank" gnus-server-yank-server t] | |
94 | ["Copy" gnus-server-copy-server t] | |
95 | ["Edit" gnus-server-edit-server t] | |
96 | ["Regenerate" gnus-server-regenerate-server t] | |
97 | ["Exit" gnus-server-exit t])) | |
98 | ||
99 | (easy-menu-define | |
100 | gnus-server-connections-menu gnus-server-mode-map "" | |
101 | '("Connections" | |
102 | ["Open" gnus-server-open-server t] | |
103 | ["Close" gnus-server-close-server t] | |
104 | ["Deny" gnus-server-deny-server t] | |
105 | "---" | |
106 | ["Open All" gnus-server-open-all-servers t] | |
107 | ["Close All" gnus-server-close-all-servers t] | |
108 | ["Reset All" gnus-server-remove-denials t])) | |
109 | ||
6748645f | 110 | (gnus-run-hooks 'gnus-server-menu-hook))) |
eec82323 LMI |
111 | |
112 | (defvar gnus-server-mode-map nil) | |
113 | (put 'gnus-server-mode 'mode-class 'special) | |
114 | ||
115 | (unless gnus-server-mode-map | |
116 | (setq gnus-server-mode-map (make-sparse-keymap)) | |
117 | (suppress-keymap gnus-server-mode-map) | |
118 | ||
6748645f LMI |
119 | (gnus-define-keys gnus-server-mode-map |
120 | " " gnus-server-read-server | |
121 | "\r" gnus-server-read-server | |
122 | gnus-mouse-2 gnus-server-pick-server | |
123 | "q" gnus-server-exit | |
124 | "l" gnus-server-list-servers | |
125 | "k" gnus-server-kill-server | |
126 | "y" gnus-server-yank-server | |
127 | "c" gnus-server-copy-server | |
128 | "a" gnus-server-add-server | |
129 | "e" gnus-server-edit-server | |
130 | "s" gnus-server-scan-server | |
131 | ||
132 | "O" gnus-server-open-server | |
133 | "\M-o" gnus-server-open-all-servers | |
134 | "C" gnus-server-close-server | |
135 | "\M-c" gnus-server-close-all-servers | |
136 | "D" gnus-server-deny-server | |
137 | "R" gnus-server-remove-denials | |
138 | ||
16409b0b GM |
139 | "n" next-line |
140 | "p" previous-line | |
a1506d29 | 141 | |
6748645f | 142 | "g" gnus-server-regenerate-server |
eec82323 LMI |
143 | |
144 | "\C-c\C-i" gnus-info-find-node | |
145 | "\C-c\C-b" gnus-bug)) | |
146 | ||
147 | (defun gnus-server-mode () | |
148 | "Major mode for listing and editing servers. | |
149 | ||
150 | All normal editing commands are switched off. | |
151 | \\<gnus-server-mode-map> | |
152 | For more in-depth information on this mode, read the manual | |
acc15099 | 153 | \(`\\[gnus-info-find-node]'). |
eec82323 LMI |
154 | |
155 | The following commands are available: | |
156 | ||
157 | \\{gnus-server-mode-map}" | |
158 | (interactive) | |
159 | (when (gnus-visual-p 'server-menu 'menu) | |
160 | (gnus-server-make-menu-bar)) | |
161 | (kill-all-local-variables) | |
162 | (gnus-simplify-mode-line) | |
163 | (setq major-mode 'gnus-server-mode) | |
164 | (setq mode-name "Server") | |
165 | (gnus-set-default-directory) | |
166 | (setq mode-line-process nil) | |
167 | (use-local-map gnus-server-mode-map) | |
16409b0b | 168 | (buffer-disable-undo) |
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169 | (setq truncate-lines t) |
170 | (setq buffer-read-only t) | |
6748645f | 171 | (gnus-run-hooks 'gnus-server-mode-hook)) |
eec82323 | 172 | |
6748645f LMI |
173 | (defun gnus-server-insert-server-line (gnus-tmp-name method) |
174 | (let* ((gnus-tmp-how (car method)) | |
175 | (gnus-tmp-where (nth 1 method)) | |
eec82323 | 176 | (elem (assoc method gnus-opened-servers)) |
13efce40 MB |
177 | (gnus-tmp-status |
178 | (if (eq (nth 1 elem) 'denied) | |
179 | "(denied)" | |
180 | (condition-case nil | |
181 | (if (or (gnus-server-opened method) | |
182 | (eq (nth 1 elem) 'ok)) | |
183 | "(opened)" | |
184 | "(closed)") | |
185 | ((error) "(error)"))))) | |
eec82323 LMI |
186 | (beginning-of-line) |
187 | (gnus-add-text-properties | |
188 | (point) | |
189 | (prog1 (1+ (point)) | |
190 | ;; Insert the text. | |
191 | (eval gnus-server-line-format-spec)) | |
6748645f | 192 | (list 'gnus-server (intern gnus-tmp-name))))) |
eec82323 LMI |
193 | |
194 | (defun gnus-enter-server-buffer () | |
195 | "Set up the server buffer." | |
196 | (gnus-server-setup-buffer) | |
197 | (gnus-configure-windows 'server) | |
198 | (gnus-server-prepare)) | |
199 | ||
200 | (defun gnus-server-setup-buffer () | |
201 | "Initialize the server buffer." | |
202 | (unless (get-buffer gnus-server-buffer) | |
203 | (save-excursion | |
6748645f | 204 | (set-buffer (gnus-get-buffer-create gnus-server-buffer)) |
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205 | (gnus-server-mode) |
206 | (when gnus-carpal | |
207 | (gnus-carpal-setup-buffer 'server))))) | |
208 | ||
209 | (defun gnus-server-prepare () | |
6748645f LMI |
210 | (gnus-set-format 'server-mode) |
211 | (gnus-set-format 'server t) | |
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212 | (let ((alist gnus-server-alist) |
213 | (buffer-read-only nil) | |
214 | (opened gnus-opened-servers) | |
215 | done server op-ser) | |
216 | (erase-buffer) | |
217 | (setq gnus-inserted-opened-servers nil) | |
218 | ;; First we do the real list of servers. | |
219 | (while alist | |
220 | (unless (member (cdar alist) done) | |
221 | (push (cdar alist) done) | |
222 | (cdr (setq server (pop alist))) | |
223 | (when (and server (car server) (cdr server)) | |
224 | (gnus-server-insert-server-line (car server) (cdr server)))) | |
225 | (when (member (cdar alist) done) | |
226 | (pop alist))) | |
227 | ;; Then we insert the list of servers that have been opened in | |
228 | ;; this session. | |
229 | (while opened | |
6748645f LMI |
230 | (when (and (not (member (caar opened) done)) |
231 | ;; Just ignore ephemeral servers. | |
232 | (not (member (caar opened) gnus-ephemeral-servers))) | |
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233 | (push (caar opened) done) |
234 | (gnus-server-insert-server-line | |
235 | (setq op-ser (format "%s:%s" (caaar opened) (nth 1 (caar opened)))) | |
236 | (caar opened)) | |
237 | (push (list op-ser (caar opened)) gnus-inserted-opened-servers)) | |
238 | (setq opened (cdr opened)))) | |
239 | (goto-char (point-min)) | |
240 | (gnus-server-position-point)) | |
241 | ||
242 | (defun gnus-server-server-name () | |
243 | (let ((server (get-text-property (gnus-point-at-bol) 'gnus-server))) | |
244 | (and server (symbol-name server)))) | |
245 | ||
246 | (defalias 'gnus-server-position-point 'gnus-goto-colon) | |
247 | ||
248 | (defconst gnus-server-edit-buffer "*Gnus edit server*") | |
249 | ||
250 | (defun gnus-server-update-server (server) | |
251 | (save-excursion | |
252 | (set-buffer gnus-server-buffer) | |
253 | (let* ((buffer-read-only nil) | |
254 | (entry (assoc server gnus-server-alist)) | |
255 | (oentry (assoc (gnus-server-to-method server) | |
256 | gnus-opened-servers))) | |
257 | (when entry | |
258 | (gnus-dribble-enter | |
259 | (concat "(gnus-server-set-info \"" server "\" '" | |
260 | (prin1-to-string (cdr entry)) ")\n"))) | |
261 | (when (or entry oentry) | |
262 | ;; Buffer may be narrowed. | |
263 | (save-restriction | |
264 | (widen) | |
265 | (when (gnus-server-goto-server server) | |
266 | (gnus-delete-line)) | |
267 | (if entry | |
268 | (gnus-server-insert-server-line (car entry) (cdr entry)) | |
269 | (gnus-server-insert-server-line | |
270 | (format "%s:%s" (caar oentry) (nth 1 (car oentry))) | |
271 | (car oentry))) | |
272 | (gnus-server-position-point)))))) | |
273 | ||
274 | (defun gnus-server-set-info (server info) | |
275 | ;; Enter a select method into the virtual server alist. | |
276 | (when (and server info) | |
277 | (gnus-dribble-enter | |
278 | (concat "(gnus-server-set-info \"" server "\" '" | |
279 | (prin1-to-string info) ")")) | |
280 | (let* ((server (nth 1 info)) | |
281 | (entry (assoc server gnus-server-alist))) | |
282 | (if entry (setcdr entry info) | |
283 | (setq gnus-server-alist | |
284 | (nconc gnus-server-alist (list (cons server info)))))))) | |
285 | ||
286 | ;;; Interactive server functions. | |
287 | ||
288 | (defun gnus-server-kill-server (server) | |
289 | "Kill the server on the current line." | |
290 | (interactive (list (gnus-server-server-name))) | |
291 | (unless (gnus-server-goto-server server) | |
292 | (if server (error "No such server: %s" server) | |
293 | (error "No server on the current line"))) | |
294 | (unless (assoc server gnus-server-alist) | |
295 | (error "Read-only server %s" server)) | |
6748645f | 296 | (gnus-dribble-touch) |
eec82323 LMI |
297 | (let ((buffer-read-only nil)) |
298 | (gnus-delete-line)) | |
299 | (push (assoc server gnus-server-alist) gnus-server-killed-servers) | |
300 | (setq gnus-server-alist (delq (car gnus-server-killed-servers) | |
301 | gnus-server-alist)) | |
16409b0b GM |
302 | (let ((groups (gnus-groups-from-server server))) |
303 | (when (and groups | |
304 | (gnus-yes-or-no-p | |
305 | (format "Kill all %s groups from this server? " | |
306 | (length groups)))) | |
307 | (dolist (group groups) | |
308 | (setq gnus-newsrc-alist | |
309 | (delq (assoc group gnus-newsrc-alist) | |
310 | gnus-newsrc-alist)) | |
311 | (when gnus-group-change-level-function | |
312 | (funcall gnus-group-change-level-function | |
313 | group gnus-level-killed 3))))) | |
eec82323 LMI |
314 | (gnus-server-position-point)) |
315 | ||
316 | (defun gnus-server-yank-server () | |
317 | "Yank the previously killed server." | |
318 | (interactive) | |
319 | (unless gnus-server-killed-servers | |
320 | (error "No killed servers to be yanked")) | |
321 | (let ((alist gnus-server-alist) | |
322 | (server (gnus-server-server-name)) | |
323 | (killed (car gnus-server-killed-servers))) | |
324 | (if (not server) | |
325 | (setq gnus-server-alist (nconc gnus-server-alist (list killed))) | |
326 | (if (string= server (caar gnus-server-alist)) | |
327 | (push killed gnus-server-alist) | |
328 | (while (and (cdr alist) | |
329 | (not (string= server (caadr alist)))) | |
330 | (setq alist (cdr alist))) | |
331 | (if alist | |
332 | (setcdr alist (cons killed (cdr alist))) | |
333 | (setq gnus-server-alist (list killed))))) | |
334 | (gnus-server-update-server (car killed)) | |
335 | (setq gnus-server-killed-servers (cdr gnus-server-killed-servers)) | |
336 | (gnus-server-position-point))) | |
337 | ||
338 | (defun gnus-server-exit () | |
339 | "Return to the group buffer." | |
340 | (interactive) | |
6748645f | 341 | (gnus-run-hooks 'gnus-server-exit-hook) |
eec82323 LMI |
342 | (kill-buffer (current-buffer)) |
343 | (gnus-configure-windows 'group t)) | |
344 | ||
345 | (defun gnus-server-list-servers () | |
346 | "List all available servers." | |
347 | (interactive) | |
348 | (let ((cur (gnus-server-server-name))) | |
349 | (gnus-server-prepare) | |
350 | (if cur (gnus-server-goto-server cur) | |
351 | (goto-char (point-max)) | |
352 | (forward-line -1)) | |
353 | (gnus-server-position-point))) | |
354 | ||
355 | (defun gnus-server-set-status (method status) | |
356 | "Make METHOD have STATUS." | |
357 | (let ((entry (assoc method gnus-opened-servers))) | |
358 | (if entry | |
359 | (setcar (cdr entry) status) | |
360 | (push (list method status) gnus-opened-servers)))) | |
361 | ||
362 | (defun gnus-opened-servers-remove (method) | |
363 | "Remove METHOD from the list of opened servers." | |
364 | (setq gnus-opened-servers (delq (assoc method gnus-opened-servers) | |
365 | gnus-opened-servers))) | |
366 | ||
367 | (defun gnus-server-open-server (server) | |
368 | "Force an open of SERVER." | |
369 | (interactive (list (gnus-server-server-name))) | |
370 | (let ((method (gnus-server-to-method server))) | |
371 | (unless method | |
372 | (error "No such server: %s" server)) | |
373 | (gnus-server-set-status method 'ok) | |
374 | (prog1 | |
375 | (or (gnus-open-server method) | |
376 | (progn (message "Couldn't open %s" server) nil)) | |
377 | (gnus-server-update-server server) | |
378 | (gnus-server-position-point)))) | |
379 | ||
380 | (defun gnus-server-open-all-servers () | |
381 | "Open all servers." | |
382 | (interactive) | |
383 | (let ((servers gnus-inserted-opened-servers)) | |
384 | (while servers | |
385 | (gnus-server-open-server (car (pop servers)))))) | |
386 | ||
387 | (defun gnus-server-close-server (server) | |
388 | "Close SERVER." | |
389 | (interactive (list (gnus-server-server-name))) | |
390 | (let ((method (gnus-server-to-method server))) | |
391 | (unless method | |
392 | (error "No such server: %s" server)) | |
393 | (gnus-server-set-status method 'closed) | |
394 | (prog1 | |
395 | (gnus-close-server method) | |
396 | (gnus-server-update-server server) | |
397 | (gnus-server-position-point)))) | |
398 | ||
399 | (defun gnus-server-close-all-servers () | |
400 | "Close all servers." | |
401 | (interactive) | |
402 | (let ((servers gnus-inserted-opened-servers)) | |
403 | (while servers | |
404 | (gnus-server-close-server (car (pop servers)))))) | |
405 | ||
406 | (defun gnus-server-deny-server (server) | |
407 | "Make sure SERVER will never be attempted opened." | |
408 | (interactive (list (gnus-server-server-name))) | |
409 | (let ((method (gnus-server-to-method server))) | |
410 | (unless method | |
411 | (error "No such server: %s" server)) | |
412 | (gnus-server-set-status method 'denied)) | |
413 | (gnus-server-update-server server) | |
414 | (gnus-server-position-point) | |
415 | t) | |
416 | ||
417 | (defun gnus-server-remove-denials () | |
418 | "Make all denied servers into closed servers." | |
419 | (interactive) | |
420 | (let ((servers gnus-opened-servers)) | |
421 | (while servers | |
422 | (when (eq (nth 1 (car servers)) 'denied) | |
423 | (setcar (nthcdr 1 (car servers)) 'closed)) | |
424 | (setq servers (cdr servers)))) | |
425 | (gnus-server-list-servers)) | |
426 | ||
427 | (defun gnus-server-copy-server (from to) | |
428 | (interactive | |
429 | (list | |
430 | (or (gnus-server-server-name) | |
431 | (error "No server on the current line")) | |
432 | (read-string "Copy to: "))) | |
433 | (unless from | |
434 | (error "No server on current line")) | |
435 | (unless (and to (not (string= to ""))) | |
436 | (error "No name to copy to")) | |
437 | (when (assoc to gnus-server-alist) | |
438 | (error "%s already exists" to)) | |
439 | (unless (gnus-server-to-method from) | |
440 | (error "%s: no such server" from)) | |
441 | (let ((to-entry (cons from (gnus-copy-sequence | |
442 | (gnus-server-to-method from))))) | |
443 | (setcar to-entry to) | |
444 | (setcar (nthcdr 2 to-entry) to) | |
445 | (push to-entry gnus-server-killed-servers) | |
446 | (gnus-server-yank-server))) | |
447 | ||
448 | (defun gnus-server-add-server (how where) | |
449 | (interactive | |
450 | (list (intern (completing-read "Server method: " | |
451 | gnus-valid-select-methods nil t)) | |
452 | (read-string "Server name: "))) | |
453 | (when (assq where gnus-server-alist) | |
454 | (error "Server with that name already defined")) | |
455 | (push (list where how where) gnus-server-killed-servers) | |
456 | (gnus-server-yank-server)) | |
457 | ||
458 | (defun gnus-server-goto-server (server) | |
459 | "Jump to a server line." | |
460 | (interactive | |
461 | (list (completing-read "Goto server: " gnus-server-alist nil t))) | |
462 | (let ((to (text-property-any (point-min) (point-max) | |
463 | 'gnus-server (intern server)))) | |
464 | (when to | |
465 | (goto-char to) | |
466 | (gnus-server-position-point)))) | |
467 | ||
468 | (defun gnus-server-edit-server (server) | |
469 | "Edit the server on the current line." | |
470 | (interactive (list (gnus-server-server-name))) | |
471 | (unless server | |
472 | (error "No server on current line")) | |
473 | (unless (assoc server gnus-server-alist) | |
474 | (error "This server can't be edited")) | |
475 | (let ((info (cdr (assoc server gnus-server-alist)))) | |
476 | (gnus-close-server info) | |
477 | (gnus-edit-form | |
478 | info "Editing the server." | |
479 | `(lambda (form) | |
480 | (gnus-server-set-info ,server form) | |
481 | (gnus-server-list-servers) | |
482 | (gnus-server-position-point))))) | |
483 | ||
484 | (defun gnus-server-scan-server (server) | |
485 | "Request a scan from the current server." | |
486 | (interactive (list (gnus-server-server-name))) | |
6748645f LMI |
487 | (let ((method (gnus-server-to-method server))) |
488 | (if (not (gnus-get-function method 'request-scan)) | |
489 | (error "Server %s can't scan" (car method)) | |
490 | (gnus-message 3 "Scanning %s..." server) | |
491 | (gnus-request-scan nil method) | |
492 | (gnus-message 3 "Scanning %s...done" server)))) | |
eec82323 LMI |
493 | |
494 | (defun gnus-server-read-server (server) | |
495 | "Browse a server." | |
496 | (interactive (list (gnus-server-server-name))) | |
497 | (let ((buf (current-buffer))) | |
498 | (prog1 | |
6748645f | 499 | (gnus-browse-foreign-server server buf) |
eec82323 LMI |
500 | (save-excursion |
501 | (set-buffer buf) | |
502 | (gnus-server-update-server (gnus-server-server-name)) | |
503 | (gnus-server-position-point))))) | |
504 | ||
505 | (defun gnus-server-pick-server (e) | |
506 | (interactive "e") | |
507 | (mouse-set-point e) | |
508 | (gnus-server-read-server (gnus-server-server-name))) | |
509 | ||
510 | \f | |
511 | ;;; | |
512 | ;;; Browse Server Mode | |
513 | ;;; | |
514 | ||
515 | (defvar gnus-browse-menu-hook nil | |
516 | "*Hook run after the creation of the browse mode menu.") | |
517 | ||
518 | (defvar gnus-browse-mode-hook nil) | |
519 | (defvar gnus-browse-mode-map nil) | |
520 | (put 'gnus-browse-mode 'mode-class 'special) | |
521 | ||
522 | (unless gnus-browse-mode-map | |
523 | (setq gnus-browse-mode-map (make-keymap)) | |
524 | (suppress-keymap gnus-browse-mode-map) | |
525 | ||
526 | (gnus-define-keys | |
16409b0b GM |
527 | gnus-browse-mode-map |
528 | " " gnus-browse-read-group | |
529 | "=" gnus-browse-select-group | |
530 | "n" gnus-browse-next-group | |
531 | "p" gnus-browse-prev-group | |
532 | "\177" gnus-browse-prev-group | |
533 | [delete] gnus-browse-prev-group | |
534 | "N" gnus-browse-next-group | |
535 | "P" gnus-browse-prev-group | |
536 | "\M-n" gnus-browse-next-group | |
537 | "\M-p" gnus-browse-prev-group | |
538 | "\r" gnus-browse-select-group | |
539 | "u" gnus-browse-unsubscribe-current-group | |
540 | "l" gnus-browse-exit | |
541 | "L" gnus-browse-exit | |
542 | "q" gnus-browse-exit | |
543 | "Q" gnus-browse-exit | |
544 | "\C-c\C-c" gnus-browse-exit | |
545 | "?" gnus-browse-describe-briefly | |
546 | ||
547 | "\C-c\C-i" gnus-info-find-node | |
548 | "\C-c\C-b" gnus-bug)) | |
eec82323 LMI |
549 | |
550 | (defun gnus-browse-make-menu-bar () | |
551 | (gnus-turn-off-edit-menu 'browse) | |
552 | (unless (boundp 'gnus-browse-menu) | |
553 | (easy-menu-define | |
554 | gnus-browse-menu gnus-browse-mode-map "" | |
555 | '("Browse" | |
556 | ["Subscribe" gnus-browse-unsubscribe-current-group t] | |
557 | ["Read" gnus-browse-read-group t] | |
6748645f | 558 | ["Select" gnus-browse-select-group t] |
eec82323 | 559 | ["Next" gnus-browse-next-group t] |
158f4aea | 560 | ["Prev" gnus-browse-prev-group t] |
eec82323 | 561 | ["Exit" gnus-browse-exit t])) |
6748645f | 562 | (gnus-run-hooks 'gnus-browse-menu-hook))) |
eec82323 LMI |
563 | |
564 | (defvar gnus-browse-current-method nil) | |
565 | (defvar gnus-browse-return-buffer nil) | |
566 | ||
567 | (defvar gnus-browse-buffer "*Gnus Browse Server*") | |
568 | ||
6748645f LMI |
569 | (defun gnus-browse-foreign-server (server &optional return-buffer) |
570 | "Browse the server SERVER." | |
16409b0b | 571 | (setq gnus-browse-current-method (gnus-server-to-method server)) |
eec82323 | 572 | (setq gnus-browse-return-buffer return-buffer) |
16409b0b | 573 | (let* ((method gnus-browse-current-method) |
6748645f LMI |
574 | (gnus-select-method method) |
575 | groups group) | |
eec82323 LMI |
576 | (gnus-message 5 "Connecting to %s..." (nth 1 method)) |
577 | (cond | |
578 | ((not (gnus-check-server method)) | |
579 | (gnus-message | |
a8151ef7 LMI |
580 | 1 "Unable to contact server %s: %s" (nth 1 method) |
581 | (gnus-status-message method)) | |
eec82323 LMI |
582 | nil) |
583 | ((not | |
584 | (prog2 | |
585 | (gnus-message 6 "Reading active file...") | |
586 | (gnus-request-list method) | |
587 | (gnus-message 6 "Reading active file...done"))) | |
588 | (gnus-message | |
589 | 1 "Couldn't request list: %s" (gnus-status-message method)) | |
590 | nil) | |
591 | (t | |
6748645f | 592 | (gnus-get-buffer-create gnus-browse-buffer) |
eec82323 LMI |
593 | (when gnus-carpal |
594 | (gnus-carpal-setup-buffer 'browse)) | |
595 | (gnus-configure-windows 'browse) | |
16409b0b | 596 | (buffer-disable-undo) |
eec82323 LMI |
597 | (let ((buffer-read-only nil)) |
598 | (erase-buffer)) | |
599 | (gnus-browse-mode) | |
600 | (setq mode-line-buffer-identification | |
601 | (list | |
602 | (format | |
603 | "Gnus: %%b {%s:%s}" (car method) (cadr method)))) | |
604 | (save-excursion | |
605 | (set-buffer nntp-server-buffer) | |
606 | (let ((cur (current-buffer))) | |
607 | (goto-char (point-min)) | |
608 | (unless (string= gnus-ignored-newsgroups "") | |
609 | (delete-matching-lines gnus-ignored-newsgroups)) | |
a1506d29 | 610 | (while (not (eobp)) |
16409b0b | 611 | (ignore-errors |
a1506d29 | 612 | (push (cons |
16409b0b GM |
613 | (if (eq (char-after) ?\") |
614 | (read cur) | |
615 | (let ((p (point)) (name "")) | |
616 | (skip-chars-forward "^ \t\\\\") | |
617 | (setq name (buffer-substring p (point))) | |
618 | (while (eq (char-after) ?\\) | |
619 | (setq p (1+ (point))) | |
620 | (forward-char 2) | |
621 | (skip-chars-forward "^ \t\\\\") | |
622 | (setq name (concat name (buffer-substring | |
623 | p (point))))) | |
624 | name)) | |
625 | (max 0 (- (1+ (read cur)) (read cur)))) | |
626 | groups)) | |
627 | (forward-line)))) | |
eec82323 LMI |
628 | (setq groups (sort groups |
629 | (lambda (l1 l2) | |
630 | (string< (car l1) (car l2))))) | |
16409b0b | 631 | (let ((buffer-read-only nil) charset) |
eec82323 LMI |
632 | (while groups |
633 | (setq group (car groups)) | |
16409b0b GM |
634 | (setq charset (gnus-group-name-charset method group)) |
635 | (gnus-add-text-properties | |
636 | (point) | |
637 | (prog1 (1+ (point)) | |
638 | (insert | |
639 | (format "K%7d: %s\n" (cdr group) | |
640 | (gnus-group-name-decode (car group) charset)))) | |
641 | (list 'gnus-group (car group))) | |
eec82323 LMI |
642 | (setq groups (cdr groups)))) |
643 | (switch-to-buffer (current-buffer)) | |
644 | (goto-char (point-min)) | |
645 | (gnus-group-position-point) | |
646 | (gnus-message 5 "Connecting to %s...done" (nth 1 method)) | |
647 | t)))) | |
648 | ||
649 | (defun gnus-browse-mode () | |
650 | "Major mode for browsing a foreign server. | |
651 | ||
652 | All normal editing commands are switched off. | |
653 | ||
654 | \\<gnus-browse-mode-map> | |
655 | The only things you can do in this buffer is | |
656 | ||
657 | 1) `\\[gnus-browse-unsubscribe-current-group]' to subscribe to a group. | |
658 | The group will be inserted into the group buffer upon exit from this | |
659 | buffer. | |
660 | ||
661 | 2) `\\[gnus-browse-read-group]' to read a group ephemerally. | |
662 | ||
663 | 3) `\\[gnus-browse-exit]' to return to the group buffer." | |
664 | (interactive) | |
665 | (kill-all-local-variables) | |
666 | (when (gnus-visual-p 'browse-menu 'menu) | |
667 | (gnus-browse-make-menu-bar)) | |
668 | (gnus-simplify-mode-line) | |
669 | (setq major-mode 'gnus-browse-mode) | |
670 | (setq mode-name "Browse Server") | |
671 | (setq mode-line-process nil) | |
672 | (use-local-map gnus-browse-mode-map) | |
16409b0b | 673 | (buffer-disable-undo) |
eec82323 LMI |
674 | (setq truncate-lines t) |
675 | (gnus-set-default-directory) | |
676 | (setq buffer-read-only t) | |
6748645f | 677 | (gnus-run-hooks 'gnus-browse-mode-hook)) |
eec82323 LMI |
678 | |
679 | (defun gnus-browse-read-group (&optional no-article) | |
680 | "Enter the group at the current line." | |
681 | (interactive) | |
6748645f LMI |
682 | (let ((group (gnus-browse-group-name))) |
683 | (if (or (not (gnus-get-info group)) | |
684 | (gnus-ephemeral-group-p group)) | |
685 | (unless (gnus-group-read-ephemeral-group | |
16409b0b | 686 | (gnus-group-real-name group) gnus-browse-current-method nil |
6748645f LMI |
687 | (cons (current-buffer) 'browse)) |
688 | (error "Couldn't enter %s" group)) | |
689 | (unless (gnus-group-read-group nil no-article group) | |
690 | (error "Couldn't enter %s" group))))) | |
16409b0b | 691 | |
eec82323 LMI |
692 | (defun gnus-browse-select-group () |
693 | "Select the current group." | |
694 | (interactive) | |
695 | (gnus-browse-read-group 'no)) | |
696 | ||
697 | (defun gnus-browse-next-group (n) | |
698 | "Go to the next group." | |
699 | (interactive "p") | |
700 | (prog1 | |
701 | (forward-line n) | |
702 | (gnus-group-position-point))) | |
703 | ||
704 | (defun gnus-browse-prev-group (n) | |
705 | "Go to the next group." | |
706 | (interactive "p") | |
707 | (gnus-browse-next-group (- n))) | |
708 | ||
709 | (defun gnus-browse-unsubscribe-current-group (arg) | |
710 | "(Un)subscribe to the next ARG groups." | |
711 | (interactive "p") | |
712 | (when (eobp) | |
a8151ef7 | 713 | (error "No group at current line")) |
eec82323 LMI |
714 | (let ((ward (if (< arg 0) -1 1)) |
715 | (arg (abs arg))) | |
716 | (while (and (> arg 0) | |
717 | (not (eobp)) | |
718 | (gnus-browse-unsubscribe-group) | |
719 | (zerop (gnus-browse-next-group ward))) | |
720 | (decf arg)) | |
721 | (gnus-group-position-point) | |
722 | (when (/= 0 arg) | |
723 | (gnus-message 7 "No more newsgroups")) | |
724 | arg)) | |
725 | ||
726 | (defun gnus-browse-group-name () | |
727 | (save-excursion | |
728 | (beginning-of-line) | |
16409b0b GM |
729 | (let ((name (get-text-property (point) 'gnus-group))) |
730 | (when (re-search-forward ": \\(.*\\)$" (gnus-point-at-eol) t) | |
731 | (gnus-group-prefixed-name | |
732 | (or name | |
733 | (match-string-no-properties 1)) | |
734 | gnus-browse-current-method))))) | |
eec82323 LMI |
735 | |
736 | (defun gnus-browse-unsubscribe-group () | |
737 | "Toggle subscription of the current group in the browse buffer." | |
738 | (let ((sub nil) | |
739 | (buffer-read-only nil) | |
740 | group) | |
741 | (save-excursion | |
742 | (beginning-of-line) | |
743 | ;; If this group it killed, then we want to subscribe it. | |
16409b0b | 744 | (when (eq (char-after) ?K) |
eec82323 | 745 | (setq sub t)) |
6748645f LMI |
746 | (setq group (gnus-browse-group-name)) |
747 | (when (and sub | |
748 | (cadr (gnus-gethash group gnus-newsrc-hashtb))) | |
a8151ef7 | 749 | (error "Group already subscribed")) |
eec82323 LMI |
750 | (delete-char 1) |
751 | (if sub | |
752 | (progn | |
6748645f LMI |
753 | ;; Make sure the group has been properly removed before we |
754 | ;; subscribe to it. | |
755 | (gnus-kill-ephemeral-group group) | |
eec82323 LMI |
756 | (gnus-group-change-level |
757 | (list t group gnus-level-default-subscribed | |
6748645f LMI |
758 | nil nil (if (gnus-server-equal |
759 | gnus-browse-current-method "native") | |
760 | nil | |
a1506d29 | 761 | (gnus-method-simplify |
16409b0b | 762 | gnus-browse-current-method))) |
eec82323 LMI |
763 | gnus-level-default-subscribed gnus-level-killed |
764 | (and (car (nth 1 gnus-newsrc-alist)) | |
765 | (gnus-gethash (car (nth 1 gnus-newsrc-alist)) | |
766 | gnus-newsrc-hashtb)) | |
767 | t) | |
768 | (insert ? )) | |
769 | (gnus-group-change-level | |
770 | group gnus-level-killed gnus-level-default-subscribed) | |
771 | (insert ?K))) | |
772 | t)) | |
773 | ||
774 | (defun gnus-browse-exit () | |
775 | "Quit browsing and return to the group buffer." | |
776 | (interactive) | |
777 | (when (eq major-mode 'gnus-browse-mode) | |
778 | (kill-buffer (current-buffer))) | |
779 | ;; Insert the newly subscribed groups in the group buffer. | |
780 | (save-excursion | |
781 | (set-buffer gnus-group-buffer) | |
782 | (gnus-group-list-groups nil)) | |
783 | (if gnus-browse-return-buffer | |
784 | (gnus-configure-windows 'server 'force) | |
785 | (gnus-configure-windows 'group 'force))) | |
786 | ||
787 | (defun gnus-browse-describe-briefly () | |
788 | "Give a one line description of the group mode commands." | |
789 | (interactive) | |
790 | (gnus-message 6 | |
791 | (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"))) | |
792 | ||
793 | (defun gnus-server-regenerate-server () | |
794 | "Issue a command to the server to regenerate all its data structures." | |
795 | (interactive) | |
796 | (let ((server (gnus-server-server-name))) | |
797 | (unless server | |
798 | (error "No server on the current line")) | |
799 | (if (not (gnus-check-backend-function | |
800 | 'request-regenerate (car (gnus-server-to-method server)))) | |
801 | (error "This backend doesn't support regeneration") | |
802 | (gnus-message 5 "Requesting regeneration of %s..." server) | |
a8151ef7 LMI |
803 | (unless (gnus-open-server server) |
804 | (error "Couldn't open server")) | |
eec82323 LMI |
805 | (if (gnus-request-regenerate server) |
806 | (gnus-message 5 "Requesting regeneration of %s...done" server) | |
807 | (gnus-message 5 "Couldn't regenerate %s" server))))) | |
808 | ||
809 | (provide 'gnus-srvr) | |
810 | ||
ab5796a9 | 811 | ;;; arch-tag: c0117f64-27ca-475d-9406-8da6854c7a25 |
715a2ca2 | 812 | ;;; gnus-srvr.el ends here |