1 ;;; gnus-int.el --- backend interface functions for Gnus
3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
4 ;; 2005, 2006, 2007, 2008, 2009, 2010 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 3 of the License, or
14 ;; (at your option) any later version.
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. If not, see <http://www.gnu.org/licenses/>.
28 (eval-when-compile (require 'cl
))
34 (autoload 'gnus-agent-expire
"gnus-agent")
35 (autoload 'gnus-agent-regenerate-group
"gnus-agent")
36 (autoload 'gnus-agent-read-servers-validate-native
"gnus-agent")
37 (autoload 'gnus-agent-possibly-synchronize-flags-server
"gnus-agent")
39 (defcustom gnus-open-server-hook nil
40 "Hook called just before opening connection to the news server."
44 (defcustom gnus-server-unopen-status nil
45 "The default status if the server is not able to open.
46 If the server is covered by Gnus agent, the possible values are
47 `denied', set the server denied; `offline', set the server offline;
48 nil, ask user. If the server is not covered by Gnus agent, set the
52 :type
'(choice (const :tag
"Ask" nil
)
53 (const :tag
"Deny server" denied
)
54 (const :tag
"Unplug Agent" offline
)))
56 (defvar gnus-internal-registry-spool-current-method nil
57 "The current method, for the registry.")
60 (defun gnus-server-opened (gnus-command-method)
61 "Check whether a connection to GNUS-COMMAND-METHOD has been opened."
62 (unless (eq (gnus-server-status gnus-command-method
)
64 (when (stringp gnus-command-method
)
65 (setq gnus-command-method
(gnus-server-to-method gnus-command-method
)))
66 (funcall (inline (gnus-get-function gnus-command-method
'server-opened
))
67 (nth 1 gnus-command-method
))))
69 (defun gnus-status-message (gnus-command-method)
70 "Return the status message from GNUS-COMMAND-METHOD.
71 If GNUS-COMMAND-METHOD is a string, it is interpreted as a group
72 name. The method this group uses will be queried."
73 (let ((gnus-command-method
74 (if (stringp gnus-command-method
)
75 (gnus-find-method-for-group gnus-command-method
)
76 gnus-command-method
)))
77 (funcall (gnus-get-function gnus-command-method
'status-message
)
78 (nth 1 gnus-command-method
))))
81 ;;; Server Communication
84 (defun gnus-start-news-server (&optional confirm
)
85 "Open a method for getting news.
86 If CONFIRM is non-nil, the user will be asked for an NNTP server."
88 (if gnus-current-select-method
89 ;; Stream is already opened.
92 (unless gnus-nntp-service
93 (setq gnus-nntp-server nil
))
95 ;; Read server name with completion.
96 (setq gnus-nntp-server
97 (completing-read "NNTP server: "
99 (cons (list gnus-nntp-server
)
100 gnus-secondary-servers
))
101 nil nil gnus-nntp-server
)))
103 (when (and gnus-nntp-server
104 (stringp gnus-nntp-server
)
105 (not (string= gnus-nntp-server
"")))
106 (setq gnus-select-method
107 (cond ((or (string= gnus-nntp-server
"")
108 (string= gnus-nntp-server
"::"))
109 (list 'nnspool
(system-name)))
110 ((string-match "^:" gnus-nntp-server
)
111 (list 'nnmh gnus-nntp-server
112 (list 'nnmh-directory
113 (file-name-as-directory
115 (substring gnus-nntp-server
1) "~/")))
116 (list 'nnmh-get-new-mail nil
)))
118 (list 'nntp gnus-nntp-server
)))))
120 (setq how
(car gnus-select-method
))
124 (gnus-message 5 "Looking up local news spool..."))
127 (gnus-message 5 "Looking up mh spool..."))
130 (setq gnus-current-select-method gnus-select-method
)
131 (gnus-run-hooks 'gnus-open-server-hook
)
133 ;; Partially validate agent covered methods now that the
134 ;; gnus-select-method is known.
137 ;; NOTE: This is here for one purpose only. By validating
138 ;; the current select method, it converts the old 5.10.3,
139 ;; and earlier, format to the current format. That enables
140 ;; the agent code within gnus-open-server to function
142 (gnus-agent-read-servers-validate-native gnus-select-method
))
145 ;; gnus-open-server-hook might have opened it
146 (gnus-server-opened gnus-select-method
)
147 (gnus-open-server gnus-select-method
)
151 "%s (%s) open error: '%s'. Continue? "
152 (car gnus-select-method
) (cadr gnus-select-method
)
153 (gnus-status-message gnus-select-method
)))
154 (gnus-error 1 "Couldn't open server on %s"
155 (nth 1 gnus-select-method
))))))
157 (defun gnus-check-group (group)
158 "Try to make sure that the server where GROUP exists is alive."
159 (let ((method (gnus-find-method-for-group group
)))
160 (or (gnus-server-opened method
)
161 (gnus-open-server method
))))
163 (defun gnus-check-server (&optional method silent
)
164 "Check whether the connection to METHOD is down.
165 If METHOD is nil, use `gnus-select-method'.
166 If it is down, start it up (again)."
167 (let ((method (or method gnus-select-method
))
169 ;; Transform virtual server names into select methods.
170 (when (stringp method
)
171 (setq method
(gnus-server-to-method method
)))
172 (if (gnus-server-opened method
)
173 ;; The stream is already opened.
177 (gnus-message 5 "Opening %s server%s..." (car method
)
178 (if (equal (nth 1 method
) "") ""
179 (format " on %s" (nth 1 method
)))))
180 (gnus-run-hooks 'gnus-open-server-hook
)
182 (setq result
(gnus-open-server method
))
186 "Opening %s server%s...%s" (car method
)
187 (if (equal (nth 1 method
) "") ""
188 (format " on %s" (nth 1 method
)))
192 (nnheader-get-report-string (car method
))))))))))
194 (defun gnus-get-function (method function
&optional noerror
)
195 "Return a function symbol based on METHOD and FUNCTION."
196 ;; Translate server names into methods.
198 (error "Attempted use of a nil select method"))
199 (when (stringp method
)
200 (setq method
(gnus-server-to-method method
)))
201 ;; Check cache of constructed names.
202 (let* ((method-sym (if gnus-agent
203 (inline (gnus-agent-get-function method
))
205 (method-fns (get method-sym
'gnus-method-functions
))
206 (func (let ((method-fnlist-elt (assq function method-fns
)))
207 (unless method-fnlist-elt
208 (setq method-fnlist-elt
210 (intern (format "%s-%s" method-sym function
))))
211 (put method-sym
'gnus-method-functions
212 (cons method-fnlist-elt method-fns
)))
213 (cdr method-fnlist-elt
))))
214 ;; Maybe complain if there is no function.
215 (unless (fboundp func
)
217 (error "Trying to require a method that doesn't exist"))
218 (require (car method
))
219 (when (not (fboundp func
))
222 (error "No such function: %s" func
))))
227 ;;; Interface functions to the backends.
230 (defun gnus-method-denied-p (method)
231 (eq (nth 1 (assoc method gnus-opened-servers
))
234 (defvar gnus-backend-trace t
)
236 (defun gnus-open-server (gnus-command-method)
237 "Open a connection to GNUS-COMMAND-METHOD."
238 (when (stringp gnus-command-method
)
239 (setq gnus-command-method
(gnus-server-to-method gnus-command-method
)))
240 (when gnus-backend-trace
241 (with-current-buffer (get-buffer-create "*gnus trace*")
242 (buffer-disable-undo)
243 (goto-char (point-max))
244 (insert (format-time-string "%H:%M:%S")
245 (format " %S\n" gnus-command-method
))))
246 (let ((elem (assoc gnus-command-method gnus-opened-servers
))
247 (server (gnus-method-to-server-name gnus-command-method
)))
248 ;; If this method was previously denied, we just return nil.
249 (if (eq (nth 1 elem
) 'denied
)
251 (gnus-message 1 "Denied server %s" server
)
254 (let* ((open-server-function (gnus-get-function gnus-command-method
'open-server
))
257 (funcall open-server-function
258 (nth 1 gnus-command-method
)
259 (nthcdr 2 gnus-command-method
))
261 (gnus-message 1 "Unable to open server %s due to: %s"
262 server
(error-message-string err
))
265 (gnus-message 1 "Quit trying to open server %s" server
)
268 ;; If this hasn't been opened before, we add it to the list.
270 (setq elem
(list gnus-command-method nil
)
271 gnus-opened-servers
(cons elem gnus-opened-servers
)))
272 ;; Set the status of this server.
276 (if (eq open-server-function
#'nnagent-open-server
)
277 ;; The agent's backend has a "special" status
281 (gnus-agent-method-p gnus-command-method
))
283 (gnus-server-unopen-status
284 ;; Set the server's status to the unopen
285 ;; status. If that status is offline,
286 ;; recurse to open the agent's backend.
287 (setq open-offline
(eq gnus-server-unopen-status
'offline
))
288 gnus-server-unopen-status
)
289 ((not gnus-batch-mode
)
290 (setq open-offline t
)
293 ;; This agentized server was still denied
296 ;; This unagentized server must be denied
299 ;; NOTE: I MUST set the server's status to offline before this
300 ;; recursive call as this status will drive the
301 ;; gnus-get-function (called above) to return the agent's
304 ;; Recursively open this offline server to perform the
305 ;; open-server function of the agent's backend.
306 (let ((gnus-server-unopen-status 'denied
))
307 ;; Bind gnus-server-unopen-status to avoid recursively
308 ;; prompting with "go offline?". This is only a concern
309 ;; when the agent's backend fails to open the server.
310 (gnus-open-server gnus-command-method
))
311 (when (and (eq (cadr elem
) 'ok
) gnus-agent
312 (gnus-agent-method-p gnus-command-method
))
314 (gnus-agent-possibly-synchronize-flags-server
315 gnus-command-method
)))
318 (defun gnus-close-server (gnus-command-method)
319 "Close the connection to GNUS-COMMAND-METHOD."
320 (when (stringp gnus-command-method
)
321 (setq gnus-command-method
(gnus-server-to-method gnus-command-method
)))
322 (funcall (gnus-get-function gnus-command-method
'close-server
)
323 (nth 1 gnus-command-method
)))
325 (defun gnus-request-list (gnus-command-method)
326 "Request the active file from GNUS-COMMAND-METHOD."
327 (when (stringp gnus-command-method
)
328 (setq gnus-command-method
(gnus-server-to-method gnus-command-method
)))
329 (funcall (gnus-get-function gnus-command-method
'request-list
)
330 (nth 1 gnus-command-method
)))
332 (defun gnus-finish-retrieve-group-infos (gnus-command-method infos data
)
333 "Read and update infos from GNUS-COMMAND-METHOD."
334 (when (stringp gnus-command-method
)
335 (setq gnus-command-method
(gnus-server-to-method gnus-command-method
)))
336 (funcall (gnus-get-function gnus-command-method
'finish-retrieve-group-infos
)
337 (nth 1 gnus-command-method
)
340 (defun gnus-retrieve-group-data-early (gnus-command-method infos
)
341 "Start early async retrival of data from GNUS-COMMAND-METHOD."
342 (when (stringp gnus-command-method
)
343 (setq gnus-command-method
(gnus-server-to-method gnus-command-method
)))
344 (funcall (gnus-get-function gnus-command-method
'retrieve-group-data-early
)
345 (nth 1 gnus-command-method
)
348 (defun gnus-request-list-newsgroups (gnus-command-method)
349 "Request the newsgroups file from GNUS-COMMAND-METHOD."
350 (when (stringp gnus-command-method
)
351 (setq gnus-command-method
(gnus-server-to-method gnus-command-method
)))
352 (funcall (gnus-get-function gnus-command-method
'request-list-newsgroups
)
353 (nth 1 gnus-command-method
)))
355 (defun gnus-request-newgroups (date gnus-command-method
)
356 "Request all new groups since DATE from GNUS-COMMAND-METHOD."
357 (when (stringp gnus-command-method
)
358 (setq gnus-command-method
(gnus-server-to-method gnus-command-method
)))
359 (let ((func (gnus-get-function gnus-command-method
'request-newgroups t
)))
361 (funcall func date
(nth 1 gnus-command-method
)))))
363 (defun gnus-request-regenerate (gnus-command-method)
364 "Request a data generation from GNUS-COMMAND-METHOD."
365 (when (stringp gnus-command-method
)
366 (setq gnus-command-method
(gnus-server-to-method gnus-command-method
)))
367 (funcall (gnus-get-function gnus-command-method
'request-regenerate
)
368 (nth 1 gnus-command-method
)))
370 (defun gnus-request-compact-group (group)
371 (let* ((method (gnus-find-method-for-group group
))
372 (gnus-command-method method
)
374 (funcall (gnus-get-function gnus-command-method
375 'request-compact-group
)
376 (gnus-group-real-name group
)
377 (nth 1 gnus-command-method
) t
)))
380 (defun gnus-request-compact (gnus-command-method)
381 "Request groups compaction from GNUS-COMMAND-METHOD."
382 (when (stringp gnus-command-method
)
383 (setq gnus-command-method
(gnus-server-to-method gnus-command-method
)))
384 (funcall (gnus-get-function gnus-command-method
'request-compact
)
385 (nth 1 gnus-command-method
)))
387 (defun gnus-request-group (group &optional dont-check gnus-command-method info
)
388 "Request GROUP. If DONT-CHECK, no information is required."
389 (let ((gnus-command-method
390 (or gnus-command-method
(inline (gnus-find-method-for-group group
)))))
391 (when (stringp gnus-command-method
)
392 (setq gnus-command-method
393 (inline (gnus-server-to-method gnus-command-method
))))
394 (funcall (inline (gnus-get-function gnus-command-method
'request-group
))
395 (gnus-group-real-name group
) (nth 1 gnus-command-method
)
399 (defun gnus-list-active-group (group)
400 "Request active information on GROUP."
401 (let ((gnus-command-method (gnus-find-method-for-group group
))
402 (func 'list-active-group
))
403 (when (gnus-check-backend-function func group
)
404 (funcall (gnus-get-function gnus-command-method func
)
405 (gnus-group-real-name group
) (nth 1 gnus-command-method
)))))
407 (defun gnus-request-group-description (group)
408 "Request a description of GROUP."
409 (let ((gnus-command-method (gnus-find-method-for-group group
))
410 (func 'request-group-description
))
411 (when (gnus-check-backend-function func group
)
412 (funcall (gnus-get-function gnus-command-method func
)
413 (gnus-group-real-name group
) (nth 1 gnus-command-method
)))))
415 (defun gnus-request-group-articles (group)
416 "Request a list of existing articles in GROUP."
417 (let ((gnus-command-method (gnus-find-method-for-group group
))
418 (func 'request-group-articles
))
419 (when (gnus-check-backend-function func group
)
420 (funcall (gnus-get-function gnus-command-method func
)
421 (gnus-group-real-name group
) (nth 1 gnus-command-method
)))))
423 (defun gnus-close-group (group)
424 "Request the GROUP be closed."
425 (let ((gnus-command-method (inline (gnus-find-method-for-group group
))))
426 (funcall (gnus-get-function gnus-command-method
'close-group
)
427 (gnus-group-real-name group
) (nth 1 gnus-command-method
))))
429 (defun gnus-retrieve-headers (articles group
&optional fetch-old
)
430 "Request headers for ARTICLES in GROUP.
431 If FETCH-OLD, retrieve all headers (or some subset thereof) in the group."
432 (let ((gnus-command-method (gnus-find-method-for-group group
)))
434 ((and gnus-use-cache
(numberp (car articles
)))
435 (gnus-cache-retrieve-headers articles group fetch-old
))
436 ((and gnus-agent
(gnus-online gnus-command-method
)
437 (gnus-agent-method-p gnus-command-method
))
438 (gnus-agent-retrieve-headers articles group fetch-old
))
440 (funcall (gnus-get-function gnus-command-method
'retrieve-headers
)
441 articles
(gnus-group-real-name group
)
442 (nth 1 gnus-command-method
) fetch-old
)))))
444 (defun gnus-retrieve-articles (articles group
)
445 "Request ARTICLES in GROUP."
446 (let ((gnus-command-method (gnus-find-method-for-group group
)))
447 (funcall (gnus-get-function gnus-command-method
'retrieve-articles
)
448 articles
(gnus-group-real-name group
)
449 (nth 1 gnus-command-method
))))
451 (defun gnus-retrieve-groups (groups gnus-command-method
)
452 "Request active information on GROUPS from GNUS-COMMAND-METHOD."
453 (when (stringp gnus-command-method
)
454 (setq gnus-command-method
(gnus-server-to-method gnus-command-method
)))
455 (funcall (gnus-get-function gnus-command-method
'retrieve-groups
)
456 groups
(nth 1 gnus-command-method
)))
458 (defun gnus-request-type (group &optional article
)
459 "Return the type (`post' or `mail') of GROUP (and ARTICLE)."
460 (let ((gnus-command-method (gnus-find-method-for-group group
)))
461 (if (not (gnus-check-backend-function
462 'request-type
(car gnus-command-method
)))
464 (funcall (gnus-get-function gnus-command-method
'request-type
)
465 (gnus-group-real-name group
) article
))))
467 (defun gnus-request-set-mark (group action
)
468 "Set marks on articles in the back end."
469 (let ((gnus-command-method (gnus-find-method-for-group group
)))
470 (if (not (gnus-check-backend-function
471 'request-set-mark
(car gnus-command-method
)))
473 (funcall (gnus-get-function gnus-command-method
'request-set-mark
)
474 (gnus-group-real-name group
) action
475 (nth 1 gnus-command-method
)))))
477 (defun gnus-request-update-mark (group article mark
)
478 "Allow the back end to change the mark the user tries to put on an article."
479 (let ((gnus-command-method (gnus-find-method-for-group group
)))
480 (if (not (gnus-check-backend-function
481 'request-update-mark
(car gnus-command-method
)))
483 (funcall (gnus-get-function gnus-command-method
'request-update-mark
)
484 (gnus-group-real-name group
) article mark
))))
486 (defun gnus-request-article (article group
&optional buffer
)
487 "Request the ARTICLE in GROUP.
488 ARTICLE can either be an article number or an article Message-ID.
489 If BUFFER, insert the article in that group."
490 (let ((gnus-command-method (gnus-find-method-for-group group
)))
491 (funcall (gnus-get-function gnus-command-method
'request-article
)
492 article
(gnus-group-real-name group
)
493 (nth 1 gnus-command-method
) buffer
)))
495 (defun gnus-request-head (article group
)
496 "Request the head of ARTICLE in GROUP."
497 (let* ((gnus-command-method (gnus-find-method-for-group group
))
498 (head (gnus-get-function gnus-command-method
'request-head t
))
504 (gnus-cache-request-article article group
))
505 (setq res
(cons group article
)
507 ;; Check the agent cache.
508 ((gnus-agent-request-article article group
)
509 (setq res
(cons group article
)
511 ;; Use `head' function.
513 (setq res
(funcall head article
(gnus-group-real-name group
)
514 (nth 1 gnus-command-method
))))
515 ;; Use `article' function.
517 (setq res
(gnus-request-article article group
)
520 (with-current-buffer nntp-server-buffer
521 (goto-char (point-min))
522 (when (search-forward "\n\n" nil t
)
523 (delete-region (1- (point)) (point-max)))
524 (nnheader-fold-continuation-lines)))
527 (defun gnus-request-body (article group
)
528 "Request the body of ARTICLE in GROUP."
529 (let* ((gnus-command-method (gnus-find-method-for-group group
))
530 (head (gnus-get-function gnus-command-method
'request-body t
))
536 (gnus-cache-request-article article group
))
537 (setq res
(cons group article
)
539 ;; Check the agent cache.
540 ((gnus-agent-request-article article group
)
541 (setq res
(cons group article
)
543 ;; Use `head' function.
545 (setq res
(funcall head article
(gnus-group-real-name group
)
546 (nth 1 gnus-command-method
))))
547 ;; Use `article' function.
549 (setq res
(gnus-request-article article group
)
552 (with-current-buffer nntp-server-buffer
553 (goto-char (point-min))
554 (when (search-forward "\n\n" nil t
)
555 (delete-region (point-min) (1- (point))))))
558 (defun gnus-request-post (gnus-command-method)
559 "Post the current buffer using GNUS-COMMAND-METHOD."
560 (when (stringp gnus-command-method
)
561 (setq gnus-command-method
(gnus-server-to-method gnus-command-method
)))
562 (funcall (gnus-get-function gnus-command-method
'request-post
)
563 (nth 1 gnus-command-method
)))
565 (defun gnus-request-expunge-group (group gnus-command-method
)
566 "Expunge GROUP, which is removing articles that have been marked as deleted."
567 (when (stringp gnus-command-method
)
568 (setq gnus-command-method
(gnus-server-to-method gnus-command-method
)))
569 (funcall (gnus-get-function gnus-command-method
'request-expunge-group
)
570 (gnus-group-real-name group
)
571 (nth 1 gnus-command-method
)))
573 (defun gnus-request-scan (group gnus-command-method
)
574 "Request a SCAN being performed in GROUP from GNUS-COMMAND-METHOD.
575 If GROUP is nil, all groups on GNUS-COMMAND-METHOD are scanned."
576 (let ((gnus-command-method
577 (if group
(gnus-find-method-for-group group
) gnus-command-method
))
578 (gnus-inhibit-demon t
)
579 (mail-source-plugged gnus-plugged
))
580 (when (or gnus-plugged
581 (not (gnus-agent-method-p gnus-command-method
)))
582 (setq gnus-internal-registry-spool-current-method gnus-command-method
)
583 (funcall (gnus-get-function gnus-command-method
'request-scan
)
584 (and group
(gnus-group-real-name group
))
585 (nth 1 gnus-command-method
)))))
587 (defun gnus-request-update-info (info gnus-command-method
)
588 (when (gnus-check-backend-function
589 'request-update-info
(car gnus-command-method
))
590 (when (stringp gnus-command-method
)
591 (setq gnus-command-method
(gnus-server-to-method gnus-command-method
)))
592 (funcall (gnus-get-function gnus-command-method
'request-update-info
)
593 (gnus-group-real-name (gnus-info-group info
)) info
594 (nth 1 gnus-command-method
))))
596 (defsubst gnus-request-marks
(info gnus-command-method
)
597 "Request that GNUS-COMMAND-METHOD update INFO."
598 (when (stringp gnus-command-method
)
599 (setq gnus-command-method
(gnus-server-to-method gnus-command-method
)))
600 (when (gnus-check-backend-function
601 'request-marks
(car gnus-command-method
))
602 (let ((group (gnus-info-group info
)))
603 (and (funcall (gnus-get-function gnus-command-method
604 'request-update-info
)
605 (gnus-group-real-name group
)
606 info
(nth 1 gnus-command-method
))
607 ;; If the minimum article number is greater than 1, then all
608 ;; smaller article numbers are known not to exist; we'll
609 ;; artificially add those to the 'read range.
610 (let* ((active (gnus-active group
))
613 (let* ((range (if (= min
2) 1 (cons 1 (1- min
))))
614 (read (gnus-info-read info
))
615 (new-read (gnus-range-add read
(list range
))))
616 (gnus-info-set-read info new-read
)))
619 (defun gnus-request-expire-articles (articles group
&optional force
)
620 (let* ((gnus-command-method (gnus-find-method-for-group group
))
621 (gnus-inhibit-demon t
)
624 (gnus-get-function gnus-command-method
'request-expire-articles
)
625 articles
(gnus-group-real-name group
) (nth 1 gnus-command-method
)
627 (when (and gnus-agent
628 (gnus-agent-method-p gnus-command-method
))
629 (let ((expired-articles (gnus-sorted-difference articles not-deleted
)))
630 (when expired-articles
631 (gnus-agent-expire expired-articles group
'force
))))
634 (defun gnus-request-move-article (article group server accept-function
635 &optional last move-is-internal
)
636 (let* ((gnus-command-method (gnus-find-method-for-group group
))
637 (result (funcall (gnus-get-function gnus-command-method
638 'request-move-article
)
639 article
(gnus-group-real-name group
)
640 (nth 1 gnus-command-method
) accept-function last move-is-internal
)))
641 (when (and result gnus-agent
642 (gnus-agent-method-p gnus-command-method
))
643 (gnus-agent-unfetch-articles group
(list article
)))
646 (defun gnus-request-accept-article (group &optional gnus-command-method last
648 ;; Make sure there's a newline at the end of the article.
649 (when (stringp gnus-command-method
)
650 (setq gnus-command-method
(gnus-server-to-method gnus-command-method
)))
651 (when (and (not gnus-command-method
)
653 (setq gnus-command-method
(or (gnus-find-method-for-group group
)
654 (gnus-group-name-to-method group
))))
655 (goto-char (point-max))
659 (let ((message-options message-options
))
660 (message-options-set-recipient)
662 (message-narrow-to-head)
663 (let ((mail-parse-charset message-default-charset
))
664 (mail-encode-encoded-word-buffer)))
665 (message-encode-message-body)))
666 (let ((gnus-command-method (or gnus-command-method
667 (gnus-find-method-for-group group
)))
670 (gnus-get-function gnus-command-method
'request-accept-article
)
671 (if (stringp group
) (gnus-group-real-name group
) group
)
672 (cadr gnus-command-method
)
674 (when (and gnus-agent
(gnus-agent-method-p gnus-command-method
))
675 (gnus-agent-regenerate-group group
(list (cdr result
))))
678 (defun gnus-request-replace-article (article group buffer
&optional no-encode
)
680 (let ((message-options message-options
))
681 (message-options-set-recipient)
683 (message-narrow-to-head)
684 (let ((mail-parse-charset message-default-charset
))
685 (mail-encode-encoded-word-buffer)))
686 (message-encode-message-body)))
687 (let* ((func (car (gnus-group-name-to-method group
)))
688 (result (funcall (intern (format "%s-request-replace-article" func
))
689 article
(gnus-group-real-name group
) buffer
)))
690 (when (and gnus-agent
(gnus-agent-method-p gnus-command-method
))
691 (gnus-agent-regenerate-group group
(list article
)))
694 (defun gnus-request-associate-buffer (group)
695 (let ((gnus-command-method (gnus-find-method-for-group group
)))
696 (funcall (gnus-get-function gnus-command-method
'request-associate-buffer
)
697 (gnus-group-real-name group
))))
699 (defun gnus-request-restore-buffer (article group
)
700 "Request a new buffer restored to the state of ARTICLE."
701 (let ((gnus-command-method (gnus-find-method-for-group group
)))
702 (funcall (gnus-get-function gnus-command-method
'request-restore-buffer
)
703 article
(gnus-group-real-name group
)
704 (nth 1 gnus-command-method
))))
706 (defun gnus-request-create-group (group &optional gnus-command-method args
)
707 (when (stringp gnus-command-method
)
708 (setq gnus-command-method
(gnus-server-to-method gnus-command-method
)))
709 (let ((gnus-command-method
710 (or gnus-command-method
(gnus-find-method-for-group group
))))
711 (funcall (gnus-get-function gnus-command-method
'request-create-group
)
712 (gnus-group-real-name group
) (nth 1 gnus-command-method
) args
)))
714 (defun gnus-request-delete-group (group &optional force
)
715 (let* ((gnus-command-method (gnus-find-method-for-group group
))
717 (funcall (gnus-get-function gnus-command-method
'request-delete-group
)
718 (gnus-group-real-name group
) force
(nth 1 gnus-command-method
))))
720 (gnus-cache-delete-group group
)
721 (gnus-agent-delete-group group
))
724 (defun gnus-request-rename-group (group new-name
)
725 (let* ((gnus-command-method (gnus-find-method-for-group group
))
727 (funcall (gnus-get-function gnus-command-method
'request-rename-group
)
728 (gnus-group-real-name group
)
729 (gnus-group-real-name new-name
) (nth 1 gnus-command-method
))))
731 (gnus-cache-rename-group group new-name
)
732 (gnus-agent-rename-group group new-name
))
735 (defun gnus-close-backends ()
736 ;; Send a close request to all backends that support such a request.
737 (let ((methods gnus-valid-select-methods
)
738 (gnus-inhibit-demon t
)
739 func gnus-command-method
)
740 (while (setq gnus-command-method
(pop methods
))
741 (when (fboundp (setq func
(intern
742 (concat (car gnus-command-method
)
746 (defun gnus-asynchronous-p (gnus-command-method)
747 (let ((func (gnus-get-function gnus-command-method
'asynchronous-p t
)))
751 (defun gnus-remove-denial (gnus-command-method)
752 (when (stringp gnus-command-method
)
753 (setq gnus-command-method
(gnus-server-to-method gnus-command-method
)))
754 (let* ((elem (assoc gnus-command-method gnus-opened-servers
))
755 (status (cadr elem
)))
756 ;; If this hasn't been opened before, we add it to the list.
757 (when (eq status
'denied
)
758 ;; Set the status of this server.
759 (setcar (cdr elem
) 'closed
))))
763 ;;; gnus-int.el ends here