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eec82323 | 1 | ;;; gnus-srvr.el --- virtual server support for Gnus |
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2 | ;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000 |
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 | |
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63 | `((?h gnus-tmp-how ?s) |
64 | (?n gnus-tmp-name ?s) | |
65 | (?w gnus-tmp-where ?s) | |
66 | (?s gnus-tmp-status ?s))) | |
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67 | |
68 | (defvar gnus-server-mode-line-format-alist | |
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69 | `((?S gnus-tmp-news-server ?s) |
70 | (?M gnus-tmp-news-method ?s) | |
71 | (?u gnus-tmp-user-defined ?s))) | |
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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))) |
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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 | ||
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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 | ||
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139 | "n" next-line |
140 | "p" previous-line | |
141 | ||
6748645f | 142 | "g" gnus-server-regenerate-server |
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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 | |
153 | (`\\[gnus-info-find-node]'). | |
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 | |
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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)) |
6748645f | 177 | (gnus-tmp-status (cond ((eq (nth 1 elem) 'denied) |
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178 | "(denied)") |
179 | ((or (gnus-server-opened method) | |
180 | (eq (nth 1 elem) 'ok)) | |
181 | "(opened)") | |
182 | (t | |
183 | "(closed)")))) | |
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184 | (beginning-of-line) |
185 | (gnus-add-text-properties | |
186 | (point) | |
187 | (prog1 (1+ (point)) | |
188 | ;; Insert the text. | |
189 | (eval gnus-server-line-format-spec)) | |
6748645f | 190 | (list 'gnus-server (intern gnus-tmp-name))))) |
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191 | |
192 | (defun gnus-enter-server-buffer () | |
193 | "Set up the server buffer." | |
194 | (gnus-server-setup-buffer) | |
195 | (gnus-configure-windows 'server) | |
196 | (gnus-server-prepare)) | |
197 | ||
198 | (defun gnus-server-setup-buffer () | |
199 | "Initialize the server buffer." | |
200 | (unless (get-buffer gnus-server-buffer) | |
201 | (save-excursion | |
6748645f | 202 | (set-buffer (gnus-get-buffer-create gnus-server-buffer)) |
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203 | (gnus-server-mode) |
204 | (when gnus-carpal | |
205 | (gnus-carpal-setup-buffer 'server))))) | |
206 | ||
207 | (defun gnus-server-prepare () | |
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208 | (gnus-set-format 'server-mode) |
209 | (gnus-set-format 'server t) | |
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210 | (let ((alist gnus-server-alist) |
211 | (buffer-read-only nil) | |
212 | (opened gnus-opened-servers) | |
213 | done server op-ser) | |
214 | (erase-buffer) | |
215 | (setq gnus-inserted-opened-servers nil) | |
216 | ;; First we do the real list of servers. | |
217 | (while alist | |
218 | (unless (member (cdar alist) done) | |
219 | (push (cdar alist) done) | |
220 | (cdr (setq server (pop alist))) | |
221 | (when (and server (car server) (cdr server)) | |
222 | (gnus-server-insert-server-line (car server) (cdr server)))) | |
223 | (when (member (cdar alist) done) | |
224 | (pop alist))) | |
225 | ;; Then we insert the list of servers that have been opened in | |
226 | ;; this session. | |
227 | (while opened | |
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228 | (when (and (not (member (caar opened) done)) |
229 | ;; Just ignore ephemeral servers. | |
230 | (not (member (caar opened) gnus-ephemeral-servers))) | |
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231 | (push (caar opened) done) |
232 | (gnus-server-insert-server-line | |
233 | (setq op-ser (format "%s:%s" (caaar opened) (nth 1 (caar opened)))) | |
234 | (caar opened)) | |
235 | (push (list op-ser (caar opened)) gnus-inserted-opened-servers)) | |
236 | (setq opened (cdr opened)))) | |
237 | (goto-char (point-min)) | |
238 | (gnus-server-position-point)) | |
239 | ||
240 | (defun gnus-server-server-name () | |
241 | (let ((server (get-text-property (gnus-point-at-bol) 'gnus-server))) | |
242 | (and server (symbol-name server)))) | |
243 | ||
244 | (defalias 'gnus-server-position-point 'gnus-goto-colon) | |
245 | ||
246 | (defconst gnus-server-edit-buffer "*Gnus edit server*") | |
247 | ||
248 | (defun gnus-server-update-server (server) | |
249 | (save-excursion | |
250 | (set-buffer gnus-server-buffer) | |
251 | (let* ((buffer-read-only nil) | |
252 | (entry (assoc server gnus-server-alist)) | |
253 | (oentry (assoc (gnus-server-to-method server) | |
254 | gnus-opened-servers))) | |
255 | (when entry | |
256 | (gnus-dribble-enter | |
257 | (concat "(gnus-server-set-info \"" server "\" '" | |
258 | (prin1-to-string (cdr entry)) ")\n"))) | |
259 | (when (or entry oentry) | |
260 | ;; Buffer may be narrowed. | |
261 | (save-restriction | |
262 | (widen) | |
263 | (when (gnus-server-goto-server server) | |
264 | (gnus-delete-line)) | |
265 | (if entry | |
266 | (gnus-server-insert-server-line (car entry) (cdr entry)) | |
267 | (gnus-server-insert-server-line | |
268 | (format "%s:%s" (caar oentry) (nth 1 (car oentry))) | |
269 | (car oentry))) | |
270 | (gnus-server-position-point)))))) | |
271 | ||
272 | (defun gnus-server-set-info (server info) | |
273 | ;; Enter a select method into the virtual server alist. | |
274 | (when (and server info) | |
275 | (gnus-dribble-enter | |
276 | (concat "(gnus-server-set-info \"" server "\" '" | |
277 | (prin1-to-string info) ")")) | |
278 | (let* ((server (nth 1 info)) | |
279 | (entry (assoc server gnus-server-alist))) | |
280 | (if entry (setcdr entry info) | |
281 | (setq gnus-server-alist | |
282 | (nconc gnus-server-alist (list (cons server info)))))))) | |
283 | ||
284 | ;;; Interactive server functions. | |
285 | ||
286 | (defun gnus-server-kill-server (server) | |
287 | "Kill the server on the current line." | |
288 | (interactive (list (gnus-server-server-name))) | |
289 | (unless (gnus-server-goto-server server) | |
290 | (if server (error "No such server: %s" server) | |
291 | (error "No server on the current line"))) | |
292 | (unless (assoc server gnus-server-alist) | |
293 | (error "Read-only server %s" server)) | |
6748645f | 294 | (gnus-dribble-touch) |
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295 | (let ((buffer-read-only nil)) |
296 | (gnus-delete-line)) | |
297 | (push (assoc server gnus-server-alist) gnus-server-killed-servers) | |
298 | (setq gnus-server-alist (delq (car gnus-server-killed-servers) | |
299 | gnus-server-alist)) | |
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300 | (let ((groups (gnus-groups-from-server server))) |
301 | (when (and groups | |
302 | (gnus-yes-or-no-p | |
303 | (format "Kill all %s groups from this server? " | |
304 | (length groups)))) | |
305 | (dolist (group groups) | |
306 | (setq gnus-newsrc-alist | |
307 | (delq (assoc group gnus-newsrc-alist) | |
308 | gnus-newsrc-alist)) | |
309 | (when gnus-group-change-level-function | |
310 | (funcall gnus-group-change-level-function | |
311 | group gnus-level-killed 3))))) | |
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312 | (gnus-server-position-point)) |
313 | ||
314 | (defun gnus-server-yank-server () | |
315 | "Yank the previously killed server." | |
316 | (interactive) | |
317 | (unless gnus-server-killed-servers | |
318 | (error "No killed servers to be yanked")) | |
319 | (let ((alist gnus-server-alist) | |
320 | (server (gnus-server-server-name)) | |
321 | (killed (car gnus-server-killed-servers))) | |
322 | (if (not server) | |
323 | (setq gnus-server-alist (nconc gnus-server-alist (list killed))) | |
324 | (if (string= server (caar gnus-server-alist)) | |
325 | (push killed gnus-server-alist) | |
326 | (while (and (cdr alist) | |
327 | (not (string= server (caadr alist)))) | |
328 | (setq alist (cdr alist))) | |
329 | (if alist | |
330 | (setcdr alist (cons killed (cdr alist))) | |
331 | (setq gnus-server-alist (list killed))))) | |
332 | (gnus-server-update-server (car killed)) | |
333 | (setq gnus-server-killed-servers (cdr gnus-server-killed-servers)) | |
334 | (gnus-server-position-point))) | |
335 | ||
336 | (defun gnus-server-exit () | |
337 | "Return to the group buffer." | |
338 | (interactive) | |
6748645f | 339 | (gnus-run-hooks 'gnus-server-exit-hook) |
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340 | (kill-buffer (current-buffer)) |
341 | (gnus-configure-windows 'group t)) | |
342 | ||
343 | (defun gnus-server-list-servers () | |
344 | "List all available servers." | |
345 | (interactive) | |
346 | (let ((cur (gnus-server-server-name))) | |
347 | (gnus-server-prepare) | |
348 | (if cur (gnus-server-goto-server cur) | |
349 | (goto-char (point-max)) | |
350 | (forward-line -1)) | |
351 | (gnus-server-position-point))) | |
352 | ||
353 | (defun gnus-server-set-status (method status) | |
354 | "Make METHOD have STATUS." | |
355 | (let ((entry (assoc method gnus-opened-servers))) | |
356 | (if entry | |
357 | (setcar (cdr entry) status) | |
358 | (push (list method status) gnus-opened-servers)))) | |
359 | ||
360 | (defun gnus-opened-servers-remove (method) | |
361 | "Remove METHOD from the list of opened servers." | |
362 | (setq gnus-opened-servers (delq (assoc method gnus-opened-servers) | |
363 | gnus-opened-servers))) | |
364 | ||
365 | (defun gnus-server-open-server (server) | |
366 | "Force an open of SERVER." | |
367 | (interactive (list (gnus-server-server-name))) | |
368 | (let ((method (gnus-server-to-method server))) | |
369 | (unless method | |
370 | (error "No such server: %s" server)) | |
371 | (gnus-server-set-status method 'ok) | |
372 | (prog1 | |
373 | (or (gnus-open-server method) | |
374 | (progn (message "Couldn't open %s" server) nil)) | |
375 | (gnus-server-update-server server) | |
376 | (gnus-server-position-point)))) | |
377 | ||
378 | (defun gnus-server-open-all-servers () | |
379 | "Open all servers." | |
380 | (interactive) | |
381 | (let ((servers gnus-inserted-opened-servers)) | |
382 | (while servers | |
383 | (gnus-server-open-server (car (pop servers)))))) | |
384 | ||
385 | (defun gnus-server-close-server (server) | |
386 | "Close SERVER." | |
387 | (interactive (list (gnus-server-server-name))) | |
388 | (let ((method (gnus-server-to-method server))) | |
389 | (unless method | |
390 | (error "No such server: %s" server)) | |
391 | (gnus-server-set-status method 'closed) | |
392 | (prog1 | |
393 | (gnus-close-server method) | |
394 | (gnus-server-update-server server) | |
395 | (gnus-server-position-point)))) | |
396 | ||
397 | (defun gnus-server-close-all-servers () | |
398 | "Close all servers." | |
399 | (interactive) | |
400 | (let ((servers gnus-inserted-opened-servers)) | |
401 | (while servers | |
402 | (gnus-server-close-server (car (pop servers)))))) | |
403 | ||
404 | (defun gnus-server-deny-server (server) | |
405 | "Make sure SERVER will never be attempted opened." | |
406 | (interactive (list (gnus-server-server-name))) | |
407 | (let ((method (gnus-server-to-method server))) | |
408 | (unless method | |
409 | (error "No such server: %s" server)) | |
410 | (gnus-server-set-status method 'denied)) | |
411 | (gnus-server-update-server server) | |
412 | (gnus-server-position-point) | |
413 | t) | |
414 | ||
415 | (defun gnus-server-remove-denials () | |
416 | "Make all denied servers into closed servers." | |
417 | (interactive) | |
418 | (let ((servers gnus-opened-servers)) | |
419 | (while servers | |
420 | (when (eq (nth 1 (car servers)) 'denied) | |
421 | (setcar (nthcdr 1 (car servers)) 'closed)) | |
422 | (setq servers (cdr servers)))) | |
423 | (gnus-server-list-servers)) | |
424 | ||
425 | (defun gnus-server-copy-server (from to) | |
426 | (interactive | |
427 | (list | |
428 | (or (gnus-server-server-name) | |
429 | (error "No server on the current line")) | |
430 | (read-string "Copy to: "))) | |
431 | (unless from | |
432 | (error "No server on current line")) | |
433 | (unless (and to (not (string= to ""))) | |
434 | (error "No name to copy to")) | |
435 | (when (assoc to gnus-server-alist) | |
436 | (error "%s already exists" to)) | |
437 | (unless (gnus-server-to-method from) | |
438 | (error "%s: no such server" from)) | |
439 | (let ((to-entry (cons from (gnus-copy-sequence | |
440 | (gnus-server-to-method from))))) | |
441 | (setcar to-entry to) | |
442 | (setcar (nthcdr 2 to-entry) to) | |
443 | (push to-entry gnus-server-killed-servers) | |
444 | (gnus-server-yank-server))) | |
445 | ||
446 | (defun gnus-server-add-server (how where) | |
447 | (interactive | |
448 | (list (intern (completing-read "Server method: " | |
449 | gnus-valid-select-methods nil t)) | |
450 | (read-string "Server name: "))) | |
451 | (when (assq where gnus-server-alist) | |
452 | (error "Server with that name already defined")) | |
453 | (push (list where how where) gnus-server-killed-servers) | |
454 | (gnus-server-yank-server)) | |
455 | ||
456 | (defun gnus-server-goto-server (server) | |
457 | "Jump to a server line." | |
458 | (interactive | |
459 | (list (completing-read "Goto server: " gnus-server-alist nil t))) | |
460 | (let ((to (text-property-any (point-min) (point-max) | |
461 | 'gnus-server (intern server)))) | |
462 | (when to | |
463 | (goto-char to) | |
464 | (gnus-server-position-point)))) | |
465 | ||
466 | (defun gnus-server-edit-server (server) | |
467 | "Edit the server on the current line." | |
468 | (interactive (list (gnus-server-server-name))) | |
469 | (unless server | |
470 | (error "No server on current line")) | |
471 | (unless (assoc server gnus-server-alist) | |
472 | (error "This server can't be edited")) | |
473 | (let ((info (cdr (assoc server gnus-server-alist)))) | |
474 | (gnus-close-server info) | |
475 | (gnus-edit-form | |
476 | info "Editing the server." | |
477 | `(lambda (form) | |
478 | (gnus-server-set-info ,server form) | |
479 | (gnus-server-list-servers) | |
480 | (gnus-server-position-point))))) | |
481 | ||
482 | (defun gnus-server-scan-server (server) | |
483 | "Request a scan from the current server." | |
484 | (interactive (list (gnus-server-server-name))) | |
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485 | (let ((method (gnus-server-to-method server))) |
486 | (if (not (gnus-get-function method 'request-scan)) | |
487 | (error "Server %s can't scan" (car method)) | |
488 | (gnus-message 3 "Scanning %s..." server) | |
489 | (gnus-request-scan nil method) | |
490 | (gnus-message 3 "Scanning %s...done" server)))) | |
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491 | |
492 | (defun gnus-server-read-server (server) | |
493 | "Browse a server." | |
494 | (interactive (list (gnus-server-server-name))) | |
495 | (let ((buf (current-buffer))) | |
496 | (prog1 | |
6748645f | 497 | (gnus-browse-foreign-server server buf) |
eec82323 LMI |
498 | (save-excursion |
499 | (set-buffer buf) | |
500 | (gnus-server-update-server (gnus-server-server-name)) | |
501 | (gnus-server-position-point))))) | |
502 | ||
503 | (defun gnus-server-pick-server (e) | |
504 | (interactive "e") | |
505 | (mouse-set-point e) | |
506 | (gnus-server-read-server (gnus-server-server-name))) | |
507 | ||
508 | \f | |
509 | ;;; | |
510 | ;;; Browse Server Mode | |
511 | ;;; | |
512 | ||
513 | (defvar gnus-browse-menu-hook nil | |
514 | "*Hook run after the creation of the browse mode menu.") | |
515 | ||
516 | (defvar gnus-browse-mode-hook nil) | |
517 | (defvar gnus-browse-mode-map nil) | |
518 | (put 'gnus-browse-mode 'mode-class 'special) | |
519 | ||
520 | (unless gnus-browse-mode-map | |
521 | (setq gnus-browse-mode-map (make-keymap)) | |
522 | (suppress-keymap gnus-browse-mode-map) | |
523 | ||
524 | (gnus-define-keys | |
16409b0b GM |
525 | gnus-browse-mode-map |
526 | " " gnus-browse-read-group | |
527 | "=" gnus-browse-select-group | |
528 | "n" gnus-browse-next-group | |
529 | "p" gnus-browse-prev-group | |
530 | "\177" gnus-browse-prev-group | |
531 | [delete] gnus-browse-prev-group | |
532 | "N" gnus-browse-next-group | |
533 | "P" gnus-browse-prev-group | |
534 | "\M-n" gnus-browse-next-group | |
535 | "\M-p" gnus-browse-prev-group | |
536 | "\r" gnus-browse-select-group | |
537 | "u" gnus-browse-unsubscribe-current-group | |
538 | "l" gnus-browse-exit | |
539 | "L" gnus-browse-exit | |
540 | "q" gnus-browse-exit | |
541 | "Q" gnus-browse-exit | |
542 | "\C-c\C-c" gnus-browse-exit | |
543 | "?" gnus-browse-describe-briefly | |
544 | ||
545 | "\C-c\C-i" gnus-info-find-node | |
546 | "\C-c\C-b" gnus-bug)) | |
eec82323 LMI |
547 | |
548 | (defun gnus-browse-make-menu-bar () | |
549 | (gnus-turn-off-edit-menu 'browse) | |
550 | (unless (boundp 'gnus-browse-menu) | |
551 | (easy-menu-define | |
552 | gnus-browse-menu gnus-browse-mode-map "" | |
553 | '("Browse" | |
554 | ["Subscribe" gnus-browse-unsubscribe-current-group t] | |
555 | ["Read" gnus-browse-read-group t] | |
6748645f | 556 | ["Select" gnus-browse-select-group t] |
eec82323 LMI |
557 | ["Next" gnus-browse-next-group t] |
558 | ["Prev" gnus-browse-next-group t] | |
559 | ["Exit" gnus-browse-exit t])) | |
6748645f | 560 | (gnus-run-hooks 'gnus-browse-menu-hook))) |
eec82323 LMI |
561 | |
562 | (defvar gnus-browse-current-method nil) | |
563 | (defvar gnus-browse-return-buffer nil) | |
564 | ||
565 | (defvar gnus-browse-buffer "*Gnus Browse Server*") | |
566 | ||
6748645f LMI |
567 | (defun gnus-browse-foreign-server (server &optional return-buffer) |
568 | "Browse the server SERVER." | |
16409b0b | 569 | (setq gnus-browse-current-method (gnus-server-to-method server)) |
eec82323 | 570 | (setq gnus-browse-return-buffer return-buffer) |
16409b0b | 571 | (let* ((method gnus-browse-current-method) |
6748645f LMI |
572 | (gnus-select-method method) |
573 | groups group) | |
eec82323 LMI |
574 | (gnus-message 5 "Connecting to %s..." (nth 1 method)) |
575 | (cond | |
576 | ((not (gnus-check-server method)) | |
577 | (gnus-message | |
a8151ef7 LMI |
578 | 1 "Unable to contact server %s: %s" (nth 1 method) |
579 | (gnus-status-message method)) | |
eec82323 LMI |
580 | nil) |
581 | ((not | |
582 | (prog2 | |
583 | (gnus-message 6 "Reading active file...") | |
584 | (gnus-request-list method) | |
585 | (gnus-message 6 "Reading active file...done"))) | |
586 | (gnus-message | |
587 | 1 "Couldn't request list: %s" (gnus-status-message method)) | |
588 | nil) | |
589 | (t | |
6748645f | 590 | (gnus-get-buffer-create gnus-browse-buffer) |
eec82323 LMI |
591 | (when gnus-carpal |
592 | (gnus-carpal-setup-buffer 'browse)) | |
593 | (gnus-configure-windows 'browse) | |
16409b0b | 594 | (buffer-disable-undo) |
eec82323 LMI |
595 | (let ((buffer-read-only nil)) |
596 | (erase-buffer)) | |
597 | (gnus-browse-mode) | |
598 | (setq mode-line-buffer-identification | |
599 | (list | |
600 | (format | |
601 | "Gnus: %%b {%s:%s}" (car method) (cadr method)))) | |
602 | (save-excursion | |
603 | (set-buffer nntp-server-buffer) | |
604 | (let ((cur (current-buffer))) | |
605 | (goto-char (point-min)) | |
606 | (unless (string= gnus-ignored-newsgroups "") | |
607 | (delete-matching-lines gnus-ignored-newsgroups)) | |
16409b0b GM |
608 | (while (not (eobp)) |
609 | (ignore-errors | |
610 | (push (cons | |
611 | (if (eq (char-after) ?\") | |
612 | (read cur) | |
613 | (let ((p (point)) (name "")) | |
614 | (skip-chars-forward "^ \t\\\\") | |
615 | (setq name (buffer-substring p (point))) | |
616 | (while (eq (char-after) ?\\) | |
617 | (setq p (1+ (point))) | |
618 | (forward-char 2) | |
619 | (skip-chars-forward "^ \t\\\\") | |
620 | (setq name (concat name (buffer-substring | |
621 | p (point))))) | |
622 | name)) | |
623 | (max 0 (- (1+ (read cur)) (read cur)))) | |
624 | groups)) | |
625 | (forward-line)))) | |
eec82323 LMI |
626 | (setq groups (sort groups |
627 | (lambda (l1 l2) | |
628 | (string< (car l1) (car l2))))) | |
16409b0b | 629 | (let ((buffer-read-only nil) charset) |
eec82323 LMI |
630 | (while groups |
631 | (setq group (car groups)) | |
16409b0b GM |
632 | (setq charset (gnus-group-name-charset method group)) |
633 | (gnus-add-text-properties | |
634 | (point) | |
635 | (prog1 (1+ (point)) | |
636 | (insert | |
637 | (format "K%7d: %s\n" (cdr group) | |
638 | (gnus-group-name-decode (car group) charset)))) | |
639 | (list 'gnus-group (car group))) | |
eec82323 LMI |
640 | (setq groups (cdr groups)))) |
641 | (switch-to-buffer (current-buffer)) | |
642 | (goto-char (point-min)) | |
643 | (gnus-group-position-point) | |
644 | (gnus-message 5 "Connecting to %s...done" (nth 1 method)) | |
645 | t)))) | |
646 | ||
647 | (defun gnus-browse-mode () | |
648 | "Major mode for browsing a foreign server. | |
649 | ||
650 | All normal editing commands are switched off. | |
651 | ||
652 | \\<gnus-browse-mode-map> | |
653 | The only things you can do in this buffer is | |
654 | ||
655 | 1) `\\[gnus-browse-unsubscribe-current-group]' to subscribe to a group. | |
656 | The group will be inserted into the group buffer upon exit from this | |
657 | buffer. | |
658 | ||
659 | 2) `\\[gnus-browse-read-group]' to read a group ephemerally. | |
660 | ||
661 | 3) `\\[gnus-browse-exit]' to return to the group buffer." | |
662 | (interactive) | |
663 | (kill-all-local-variables) | |
664 | (when (gnus-visual-p 'browse-menu 'menu) | |
665 | (gnus-browse-make-menu-bar)) | |
666 | (gnus-simplify-mode-line) | |
667 | (setq major-mode 'gnus-browse-mode) | |
668 | (setq mode-name "Browse Server") | |
669 | (setq mode-line-process nil) | |
670 | (use-local-map gnus-browse-mode-map) | |
16409b0b | 671 | (buffer-disable-undo) |
eec82323 LMI |
672 | (setq truncate-lines t) |
673 | (gnus-set-default-directory) | |
674 | (setq buffer-read-only t) | |
6748645f | 675 | (gnus-run-hooks 'gnus-browse-mode-hook)) |
eec82323 LMI |
676 | |
677 | (defun gnus-browse-read-group (&optional no-article) | |
678 | "Enter the group at the current line." | |
679 | (interactive) | |
6748645f LMI |
680 | (let ((group (gnus-browse-group-name))) |
681 | (if (or (not (gnus-get-info group)) | |
682 | (gnus-ephemeral-group-p group)) | |
683 | (unless (gnus-group-read-ephemeral-group | |
16409b0b | 684 | (gnus-group-real-name group) gnus-browse-current-method nil |
6748645f LMI |
685 | (cons (current-buffer) 'browse)) |
686 | (error "Couldn't enter %s" group)) | |
687 | (unless (gnus-group-read-group nil no-article group) | |
688 | (error "Couldn't enter %s" group))))) | |
16409b0b | 689 | |
eec82323 LMI |
690 | (defun gnus-browse-select-group () |
691 | "Select the current group." | |
692 | (interactive) | |
693 | (gnus-browse-read-group 'no)) | |
694 | ||
695 | (defun gnus-browse-next-group (n) | |
696 | "Go to the next group." | |
697 | (interactive "p") | |
698 | (prog1 | |
699 | (forward-line n) | |
700 | (gnus-group-position-point))) | |
701 | ||
702 | (defun gnus-browse-prev-group (n) | |
703 | "Go to the next group." | |
704 | (interactive "p") | |
705 | (gnus-browse-next-group (- n))) | |
706 | ||
707 | (defun gnus-browse-unsubscribe-current-group (arg) | |
708 | "(Un)subscribe to the next ARG groups." | |
709 | (interactive "p") | |
710 | (when (eobp) | |
a8151ef7 | 711 | (error "No group at current line")) |
eec82323 LMI |
712 | (let ((ward (if (< arg 0) -1 1)) |
713 | (arg (abs arg))) | |
714 | (while (and (> arg 0) | |
715 | (not (eobp)) | |
716 | (gnus-browse-unsubscribe-group) | |
717 | (zerop (gnus-browse-next-group ward))) | |
718 | (decf arg)) | |
719 | (gnus-group-position-point) | |
720 | (when (/= 0 arg) | |
721 | (gnus-message 7 "No more newsgroups")) | |
722 | arg)) | |
723 | ||
724 | (defun gnus-browse-group-name () | |
725 | (save-excursion | |
726 | (beginning-of-line) | |
16409b0b GM |
727 | (let ((name (get-text-property (point) 'gnus-group))) |
728 | (when (re-search-forward ": \\(.*\\)$" (gnus-point-at-eol) t) | |
729 | (gnus-group-prefixed-name | |
730 | (or name | |
731 | (match-string-no-properties 1)) | |
732 | gnus-browse-current-method))))) | |
eec82323 LMI |
733 | |
734 | (defun gnus-browse-unsubscribe-group () | |
735 | "Toggle subscription of the current group in the browse buffer." | |
736 | (let ((sub nil) | |
737 | (buffer-read-only nil) | |
738 | group) | |
739 | (save-excursion | |
740 | (beginning-of-line) | |
741 | ;; If this group it killed, then we want to subscribe it. | |
16409b0b | 742 | (when (eq (char-after) ?K) |
eec82323 | 743 | (setq sub t)) |
6748645f LMI |
744 | (setq group (gnus-browse-group-name)) |
745 | (when (and sub | |
746 | (cadr (gnus-gethash group gnus-newsrc-hashtb))) | |
a8151ef7 | 747 | (error "Group already subscribed")) |
eec82323 LMI |
748 | (delete-char 1) |
749 | (if sub | |
750 | (progn | |
6748645f LMI |
751 | ;; Make sure the group has been properly removed before we |
752 | ;; subscribe to it. | |
753 | (gnus-kill-ephemeral-group group) | |
eec82323 LMI |
754 | (gnus-group-change-level |
755 | (list t group gnus-level-default-subscribed | |
6748645f LMI |
756 | nil nil (if (gnus-server-equal |
757 | gnus-browse-current-method "native") | |
758 | nil | |
16409b0b GM |
759 | (gnus-method-simplify |
760 | gnus-browse-current-method))) | |
eec82323 LMI |
761 | gnus-level-default-subscribed gnus-level-killed |
762 | (and (car (nth 1 gnus-newsrc-alist)) | |
763 | (gnus-gethash (car (nth 1 gnus-newsrc-alist)) | |
764 | gnus-newsrc-hashtb)) | |
765 | t) | |
766 | (insert ? )) | |
767 | (gnus-group-change-level | |
768 | group gnus-level-killed gnus-level-default-subscribed) | |
769 | (insert ?K))) | |
770 | t)) | |
771 | ||
772 | (defun gnus-browse-exit () | |
773 | "Quit browsing and return to the group buffer." | |
774 | (interactive) | |
775 | (when (eq major-mode 'gnus-browse-mode) | |
776 | (kill-buffer (current-buffer))) | |
777 | ;; Insert the newly subscribed groups in the group buffer. | |
778 | (save-excursion | |
779 | (set-buffer gnus-group-buffer) | |
780 | (gnus-group-list-groups nil)) | |
781 | (if gnus-browse-return-buffer | |
782 | (gnus-configure-windows 'server 'force) | |
783 | (gnus-configure-windows 'group 'force))) | |
784 | ||
785 | (defun gnus-browse-describe-briefly () | |
786 | "Give a one line description of the group mode commands." | |
787 | (interactive) | |
788 | (gnus-message 6 | |
789 | (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"))) | |
790 | ||
791 | (defun gnus-server-regenerate-server () | |
792 | "Issue a command to the server to regenerate all its data structures." | |
793 | (interactive) | |
794 | (let ((server (gnus-server-server-name))) | |
795 | (unless server | |
796 | (error "No server on the current line")) | |
797 | (if (not (gnus-check-backend-function | |
798 | 'request-regenerate (car (gnus-server-to-method server)))) | |
799 | (error "This backend doesn't support regeneration") | |
800 | (gnus-message 5 "Requesting regeneration of %s..." server) | |
a8151ef7 LMI |
801 | (unless (gnus-open-server server) |
802 | (error "Couldn't open server")) | |
eec82323 LMI |
803 | (if (gnus-request-regenerate server) |
804 | (gnus-message 5 "Requesting regeneration of %s...done" server) | |
805 | (gnus-message 5 "Couldn't regenerate %s" server))))) | |
806 | ||
807 | (provide 'gnus-srvr) | |
808 | ||
809 | ;;; gnus-srvr.el ends here. |