1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
|
;;; gnus-int.el --- backend interface functions for Gnus
;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
;; 2005, 2006, 2007 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;;; Code:
(eval-when-compile (require 'cl))
(require 'gnus)
(require 'message)
(require 'gnus-range)
(autoload 'gnus-agent-expire "gnus-agent")
(autoload 'gnus-agent-regenerate-group "gnus-agent")
(autoload 'gnus-agent-read-servers-validate-native "gnus-agent")
(autoload 'gnus-agent-possibly-synchronize-flags-server "gnus-agent")
(defcustom gnus-open-server-hook nil
"Hook called just before opening connection to the news server."
:group 'gnus-start
:type 'hook)
(defcustom gnus-server-unopen-status nil
"The default status if the server is not able to open.
If the server is covered by Gnus agent, the possible values are
`denied', set the server denied; `offline', set the server offline;
nil, ask user. If the server is not covered by Gnus agent, set the
server denied."
:version "22.1"
:group 'gnus-start
:type '(choice (const :tag "Ask" nil)
(const :tag "Deny server" denied)
(const :tag "Unplug Agent" offline)))
(defvar gnus-internal-registry-spool-current-method nil
"The current method, for the registry.")
(defun gnus-server-opened (gnus-command-method)
"Check whether a connection to GNUS-COMMAND-METHOD has been opened."
(unless (eq (gnus-server-status gnus-command-method)
'denied)
(when (stringp gnus-command-method)
(setq gnus-command-method (gnus-server-to-method gnus-command-method)))
(funcall (inline (gnus-get-function gnus-command-method 'server-opened))
(nth 1 gnus-command-method))))
(defun gnus-status-message (gnus-command-method)
"Return the status message from GNUS-COMMAND-METHOD.
If GNUS-COMMAND-METHOD is a string, it is interpreted as a group
name. The method this group uses will be queried."
(let ((gnus-command-method
(if (stringp gnus-command-method)
(gnus-find-method-for-group gnus-command-method)
gnus-command-method)))
(funcall (gnus-get-function gnus-command-method 'status-message)
(nth 1 gnus-command-method))))
;;;
;;; Server Communication
;;;
(defun gnus-start-news-server (&optional confirm)
"Open a method for getting news.
If CONFIRM is non-nil, the user will be asked for an NNTP server."
(let (how)
(if gnus-current-select-method
;; Stream is already opened.
nil
;; Open NNTP server.
(unless gnus-nntp-service
(setq gnus-nntp-server nil))
(when confirm
;; Read server name with completion.
(setq gnus-nntp-server
(completing-read "NNTP server: "
(mapcar 'list
(cons (list gnus-nntp-server)
gnus-secondary-servers))
nil nil gnus-nntp-server)))
(when (and gnus-nntp-server
(stringp gnus-nntp-server)
(not (string= gnus-nntp-server "")))
(setq gnus-select-method
(cond ((or (string= gnus-nntp-server "")
(string= gnus-nntp-server "::"))
(list 'nnspool (system-name)))
((string-match "^:" gnus-nntp-server)
(list 'nnmh gnus-nntp-server
(list 'nnmh-directory
(file-name-as-directory
(expand-file-name
(substring gnus-nntp-server 1) "~/")))
(list 'nnmh-get-new-mail nil)))
(t
(list 'nntp gnus-nntp-server)))))
(setq how (car gnus-select-method))
(cond
((eq how 'nnspool)
(require 'nnspool)
(gnus-message 5 "Looking up local news spool..."))
((eq how 'nnmh)
(require 'nnmh)
(gnus-message 5 "Looking up mh spool..."))
(t
(require 'nntp)))
(setq gnus-current-select-method gnus-select-method)
(gnus-run-hooks 'gnus-open-server-hook)
;; Partially validate agent covered methods now that the
;; gnus-select-method is known.
(if gnus-agent
;; NOTE: This is here for one purpose only. By validating
;; the current select method, it converts the old 5.10.3,
;; and earlier, format to the current format. That enables
;; the agent code within gnus-open-server to function
;; correctly.
(gnus-agent-read-servers-validate-native gnus-select-method))
(or
;; gnus-open-server-hook might have opened it
(gnus-server-opened gnus-select-method)
(gnus-open-server gnus-select-method)
gnus-batch-mode
(gnus-y-or-n-p
(format
"%s (%s) open error: '%s'. Continue? "
(car gnus-select-method) (cadr gnus-select-method)
(gnus-status-message gnus-select-method)))
(gnus-error 1 "Couldn't open server on %s"
(nth 1 gnus-select-method))))))
(defun gnus-check-group (group)
"Try to make sure that the server where GROUP exists is alive."
(let ((method (gnus-find-method-for-group group)))
(or (gnus-server-opened method)
(gnus-open-server method))))
(defun gnus-check-server (&optional method silent)
"Check whether the connection to METHOD is down.
If METHOD is nil, use `gnus-select-method'.
If it is down, start it up (again)."
(let ((method (or method gnus-select-method))
result)
;; Transform virtual server names into select methods.
(when (stringp method)
(setq method (gnus-server-to-method method)))
(if (gnus-server-opened method)
;; The stream is already opened.
t
;; Open the server.
(unless silent
(gnus-message 5 "Opening %s server%s..." (car method)
(if (equal (nth 1 method) "") ""
(format " on %s" (nth 1 method)))))
(gnus-run-hooks 'gnus-open-server-hook)
(prog1
(condition-case ()
(setq result (gnus-open-server method))
(quit (message "Quit gnus-check-server")
nil))
(unless silent
(gnus-message 5 "Opening %s server%s...%s" (car method)
(if (equal (nth 1 method) "") ""
(format " on %s" (nth 1 method)))
(if result "done" "failed")))))))
(defun gnus-get-function (method function &optional noerror)
"Return a function symbol based on METHOD and FUNCTION."
;; Translate server names into methods.
(unless method
(error "Attempted use of a nil select method"))
(when (stringp method)
(setq method (gnus-server-to-method method)))
;; Check cache of constructed names.
(let* ((method-sym (if gnus-agent
(inline (gnus-agent-get-function method))
(car method)))
(method-fns (get method-sym 'gnus-method-functions))
(func (let ((method-fnlist-elt (assq function method-fns)))
(unless method-fnlist-elt
(setq method-fnlist-elt
(cons function
(intern (format "%s-%s" method-sym function))))
(put method-sym 'gnus-method-functions
(cons method-fnlist-elt method-fns)))
(cdr method-fnlist-elt))))
;; Maybe complain if there is no function.
(unless (fboundp func)
(unless (car method)
(error "Trying to require a method that doesn't exist"))
(require (car method))
(when (not (fboundp func))
(if noerror
(setq func nil)
(error "No such function: %s" func))))
func))
;;;
;;; Interface functions to the backends.
;;;
(defun gnus-open-server (gnus-command-method)
"Open a connection to GNUS-COMMAND-METHOD."
(when (stringp gnus-command-method)
(setq gnus-command-method (gnus-server-to-method gnus-command-method)))
(let ((elem (assoc gnus-command-method gnus-opened-servers))
(server (gnus-method-to-server-name gnus-command-method)))
;; If this method was previously denied, we just return nil.
(if (eq (nth 1 elem) 'denied)
(progn
(gnus-message 1 "Denied server %s" server)
nil)
;; Open the server.
(let* ((open-server-function (gnus-get-function gnus-command-method 'open-server))
(result
(condition-case err
(funcall open-server-function
(nth 1 gnus-command-method)
(nthcdr 2 gnus-command-method))
(error
(gnus-message 1 (format
"Unable to open server %s due to: %s"
server (error-message-string err)))
nil)
(quit
(gnus-message 1 "Quit trying to open server %s" server)
nil)))
open-offline)
;; If this hasn't been opened before, we add it to the list.
(unless elem
(setq elem (list gnus-command-method nil)
gnus-opened-servers (cons elem gnus-opened-servers)))
;; Set the status of this server.
(setcar (cdr elem)
(cond (result
(if (eq open-server-function #'nnagent-open-server)
;; The agent's backend has a "special" status
'offline
'ok))
((and gnus-agent
(gnus-agent-method-p gnus-command-method))
(cond (gnus-server-unopen-status
;; Set the server's status to the unopen
;; status. If that status is offline,
;; recurse to open the agent's backend.
(setq open-offline (eq gnus-server-unopen-status 'offline))
gnus-server-unopen-status)
((and
(not gnus-batch-mode)
(gnus-y-or-n-p
(format
"Unable to open server %s, go offline? "
server)))
(setq open-offline t)
'offline)
(t
;; This agentized server was still denied
'denied)))
(t
;; This unagentized server must be denied
'denied)))
;; NOTE: I MUST set the server's status to offline before this
;; recursive call as this status will drive the
;; gnus-get-function (called above) to return the agent's
;; backend.
(if open-offline
;; Recursively open this offline server to perform the
;; open-server function of the agent's backend.
(let ((gnus-server-unopen-status 'denied))
;; Bind gnus-server-unopen-status to avoid recursively
;; prompting with "go offline?". This is only a concern
;; when the agent's backend fails to open the server.
(gnus-open-server gnus-command-method))
(when (and (eq (cadr elem) 'ok) gnus-agent
(gnus-agent-method-p gnus-command-method))
(save-excursion
(gnus-agent-possibly-synchronize-flags-server
gnus-command-method)))
result)))))
(defun gnus-close-server (gnus-command-method)
"Close the connection to GNUS-COMMAND-METHOD."
(when (stringp gnus-command-method)
(setq gnus-command-method (gnus-server-to-method gnus-command-method)))
(funcall (gnus-get-function gnus-command-method 'close-server)
(nth 1 gnus-command-method)))
(defun gnus-request-list (gnus-command-method)
"Request the active file from GNUS-COMMAND-METHOD."
(when (stringp gnus-command-method)
(setq gnus-command-method (gnus-server-to-method gnus-command-method)))
(funcall (gnus-get-function gnus-command-method 'request-list)
(nth 1 gnus-command-method)))
(defun gnus-request-list-newsgroups (gnus-command-method)
"Request the newsgroups file from GNUS-COMMAND-METHOD."
(when (stringp gnus-command-method)
(setq gnus-command-method (gnus-server-to-method gnus-command-method)))
(funcall (gnus-get-function gnus-command-method 'request-list-newsgroups)
(nth 1 gnus-command-method)))
(defun gnus-request-newgroups (date gnus-command-method)
"Request all new groups since DATE from GNUS-COMMAND-METHOD."
(when (stringp gnus-command-method)
(setq gnus-command-method (gnus-server-to-method gnus-command-method)))
(let ((func (gnus-get-function gnus-command-method 'request-newgroups t)))
(when func
(funcall func date (nth 1 gnus-command-method)))))
(defun gnus-request-regenerate (gnus-command-method)
"Request a data generation from GNUS-COMMAND-METHOD."
(when (stringp gnus-command-method)
(setq gnus-command-method (gnus-server-to-method gnus-command-method)))
(funcall (gnus-get-function gnus-command-method 'request-regenerate)
(nth 1 gnus-command-method)))
(defun gnus-request-compact-group (group)
(let* ((method (gnus-find-method-for-group group))
(gnus-command-method method)
(result
(funcall (gnus-get-function gnus-command-method
'request-compact-group)
(gnus-group-real-name group)
(nth 1 gnus-command-method) t)))
result))
(defun gnus-request-compact (gnus-command-method)
"Request groups compaction from GNUS-COMMAND-METHOD."
(when (stringp gnus-command-method)
(setq gnus-command-method (gnus-server-to-method gnus-command-method)))
(funcall (gnus-get-function gnus-command-method 'request-compact)
(nth 1 gnus-command-method)))
(defun gnus-request-group (group &optional dont-check gnus-command-method)
"Request GROUP. If DONT-CHECK, no information is required."
(let ((gnus-command-method
(or gnus-command-method (inline (gnus-find-method-for-group group)))))
(when (stringp gnus-command-method)
(setq gnus-command-method
(inline (gnus-server-to-method gnus-command-method))))
(funcall (inline (gnus-get-function gnus-command-method 'request-group))
(gnus-group-real-name group) (nth 1 gnus-command-method)
dont-check)))
(defun gnus-list-active-group (group)
"Request active information on GROUP."
(let ((gnus-command-method (gnus-find-method-for-group group))
(func 'list-active-group))
(when (gnus-check-backend-function func group)
(funcall (gnus-get-function gnus-command-method func)
(gnus-group-real-name group) (nth 1 gnus-command-method)))))
(defun gnus-request-group-description (group)
"Request a description of GROUP."
(let ((gnus-command-method (gnus-find-method-for-group group))
(func 'request-group-description))
(when (gnus-check-backend-function func group)
(funcall (gnus-get-function gnus-command-method func)
(gnus-group-real-name group) (nth 1 gnus-command-method)))))
(defun gnus-request-group-articles (group)
"Request a list of existing articles in GROUP."
(let ((gnus-command-method (gnus-find-method-for-group group))
(func 'request-group-articles))
(when (gnus-check-backend-function func group)
(funcall (gnus-get-function gnus-command-method func)
(gnus-group-real-name group) (nth 1 gnus-command-method)))))
(defun gnus-close-group (group)
"Request the GROUP be closed."
(let ((gnus-command-method (inline (gnus-find-method-for-group group))))
(funcall (gnus-get-function gnus-command-method 'close-group)
(gnus-group-real-name group) (nth 1 gnus-command-method))))
(defun gnus-retrieve-headers (articles group &optional fetch-old)
"Request headers for ARTICLES in GROUP.
If FETCH-OLD, retrieve all headers (or some subset thereof) in the group."
(let ((gnus-command-method (gnus-find-method-for-group group)))
(cond
((and gnus-use-cache (numberp (car articles)))
(gnus-cache-retrieve-headers articles group fetch-old))
((and gnus-agent (gnus-online gnus-command-method)
(gnus-agent-method-p gnus-command-method))
(gnus-agent-retrieve-headers articles group fetch-old))
(t
(funcall (gnus-get-function gnus-command-method 'retrieve-headers)
articles (gnus-group-real-name group)
(nth 1 gnus-command-method) fetch-old)))))
(defun gnus-retrieve-articles (articles group)
"Request ARTICLES in GROUP."
(let ((gnus-command-method (gnus-find-method-for-group group)))
(funcall (gnus-get-function gnus-command-method 'retrieve-articles)
articles (gnus-group-real-name group)
(nth 1 gnus-command-method))))
(defun gnus-retrieve-groups (groups gnus-command-method)
"Request active information on GROUPS from GNUS-COMMAND-METHOD."
(when (stringp gnus-command-method)
(setq gnus-command-method (gnus-server-to-method gnus-command-method)))
(funcall (gnus-get-function gnus-command-method 'retrieve-groups)
groups (nth 1 gnus-command-method)))
(defun gnus-request-type (group &optional article)
"Return the type (`post' or `mail') of GROUP (and ARTICLE)."
(let ((gnus-command-method (gnus-find-method-for-group group)))
(if (not (gnus-check-backend-function
'request-type (car gnus-command-method)))
'unknown
(funcall (gnus-get-function gnus-command-method 'request-type)
(gnus-group-real-name group) article))))
(defun gnus-request-set-mark (group action)
"Set marks on articles in the back end."
(let ((gnus-command-method (gnus-find-method-for-group group)))
(if (not (gnus-check-backend-function
'request-set-mark (car gnus-command-method)))
action
(funcall (gnus-get-function gnus-command-method 'request-set-mark)
(gnus-group-real-name group) action
(nth 1 gnus-command-method)))))
(defun gnus-request-update-mark (group article mark)
"Allow the back end to change the mark the user tries to put on an article."
(let ((gnus-command-method (gnus-find-method-for-group group)))
(if (not (gnus-check-backend-function
'request-update-mark (car gnus-command-method)))
mark
(funcall (gnus-get-function gnus-command-method 'request-update-mark)
(gnus-group-real-name group) article mark))))
(defun gnus-request-article (article group &optional buffer)
"Request the ARTICLE in GROUP.
ARTICLE can either be an article number or an article Message-ID.
If BUFFER, insert the article in that group."
(let ((gnus-command-method (gnus-find-method-for-group group)))
(funcall (gnus-get-function gnus-command-method 'request-article)
article (gnus-group-real-name group)
(nth 1 gnus-command-method) buffer)))
(defun gnus-request-head (article group)
"Request the head of ARTICLE in GROUP."
(let* ((gnus-command-method (gnus-find-method-for-group group))
(head (gnus-get-function gnus-command-method 'request-head t))
res clean-up)
(cond
;; Check the cache.
((and gnus-use-cache
(numberp article)
(gnus-cache-request-article article group))
(setq res (cons group article)
clean-up t))
;; Check the agent cache.
((gnus-agent-request-article article group)
(setq res (cons group article)
clean-up t))
;; Use `head' function.
((fboundp head)
(setq res (funcall head article (gnus-group-real-name group)
(nth 1 gnus-command-method))))
;; Use `article' function.
(t
(setq res (gnus-request-article article group)
clean-up t)))
(when clean-up
(save-excursion
(set-buffer nntp-server-buffer)
(goto-char (point-min))
(when (search-forward "\n\n" nil t)
(delete-region (1- (point)) (point-max)))
(nnheader-fold-continuation-lines)))
res))
(defun gnus-request-body (article group)
"Request the body of ARTICLE in GROUP."
(let* ((gnus-command-method (gnus-find-method-for-group group))
(head (gnus-get-function gnus-command-method 'request-body t))
res clean-up)
(cond
;; Check the cache.
((and gnus-use-cache
(numberp article)
(gnus-cache-request-article article group))
(setq res (cons group article)
clean-up t))
;; Check the agent cache.
((gnus-agent-request-article article group)
(setq res (cons group article)
clean-up t))
;; Use `head' function.
((fboundp head)
(setq res (funcall head article (gnus-group-real-name group)
(nth 1 gnus-command-method))))
;; Use `article' function.
(t
(setq res (gnus-request-article article group)
clean-up t)))
(when clean-up
(save-excursion
(set-buffer nntp-server-buffer)
(goto-char (point-min))
(when (search-forward "\n\n" nil t)
(delete-region (point-min) (1- (point))))))
res))
(defun gnus-request-post (gnus-command-method)
"Post the current buffer using GNUS-COMMAND-METHOD."
(when (stringp gnus-command-method)
(setq gnus-command-method (gnus-server-to-method gnus-command-method)))
(funcall (gnus-get-function gnus-command-method 'request-post)
(nth 1 gnus-command-method)))
(defun gnus-request-scan (group gnus-command-method)
"Request a SCAN being performed in GROUP from GNUS-COMMAND-METHOD.
If GROUP is nil, all groups on GNUS-COMMAND-METHOD are scanned."
(let ((gnus-command-method
(if group (gnus-find-method-for-group group) gnus-command-method))
(gnus-inhibit-demon t)
(mail-source-plugged gnus-plugged))
(when (or gnus-plugged (not (gnus-agent-method-p gnus-command-method)))
(setq gnus-internal-registry-spool-current-method gnus-command-method)
(funcall (gnus-get-function gnus-command-method 'request-scan)
(and group (gnus-group-real-name group))
(nth 1 gnus-command-method)))))
(defsubst gnus-request-update-info (info gnus-command-method)
"Request that GNUS-COMMAND-METHOD update INFO."
(when (stringp gnus-command-method)
(setq gnus-command-method (gnus-server-to-method gnus-command-method)))
(when (gnus-check-backend-function
'request-update-info (car gnus-command-method))
(let ((group (gnus-info-group info)))
(and (funcall (gnus-get-function gnus-command-method
'request-update-info)
(gnus-group-real-name group)
info (nth 1 gnus-command-method))
;; If the minimum article number is greater than 1, then all
;; smaller article numbers are known not to exist; we'll
;; artificially add those to the 'read range.
(let* ((active (gnus-active group))
(min (car active)))
(when (> min 1)
(let* ((range (if (= min 2) 1 (cons 1 (1- min))))
(read (gnus-info-read info))
(new-read (gnus-range-add read (list range))))
(gnus-info-set-read info new-read)))
info)))))
(defun gnus-request-expire-articles (articles group &optional force)
(let* ((gnus-command-method (gnus-find-method-for-group group))
(not-deleted
(funcall
(gnus-get-function gnus-command-method 'request-expire-articles)
articles (gnus-group-real-name group) (nth 1 gnus-command-method)
force)))
(when (and gnus-agent
(gnus-agent-method-p gnus-command-method))
(let ((expired-articles (gnus-sorted-difference articles not-deleted)))
(when expired-articles
(gnus-agent-expire expired-articles group 'force))))
not-deleted))
(defun gnus-request-move-article (article group server accept-function
&optional last move-is-internal)
(let* ((gnus-command-method (gnus-find-method-for-group group))
(result (funcall (gnus-get-function gnus-command-method
'request-move-article)
article (gnus-group-real-name group)
(nth 1 gnus-command-method) accept-function last move-is-internal)))
(when (and result gnus-agent
(gnus-agent-method-p gnus-command-method))
(gnus-agent-unfetch-articles group (list article)))
result))
(defun gnus-request-accept-article (group &optional gnus-command-method last
no-encode)
;; Make sure there's a newline at the end of the article.
(when (stringp gnus-command-method)
(setq gnus-command-method (gnus-server-to-method gnus-command-method)))
(when (and (not gnus-command-method)
(stringp group))
(setq gnus-command-method (or (gnus-find-method-for-group group)
(gnus-group-name-to-method group))))
(goto-char (point-max))
(unless (bolp)
(insert "\n"))
(unless no-encode
(let ((message-options message-options))
(message-options-set-recipient)
(save-restriction
(message-narrow-to-head)
(let ((mail-parse-charset message-default-charset))
(mail-encode-encoded-word-buffer)))
(message-encode-message-body)))
(let ((gnus-command-method (or gnus-command-method
(gnus-find-method-for-group group)))
(result
(funcall
(gnus-get-function gnus-command-method 'request-accept-article)
(if (stringp group) (gnus-group-real-name group) group)
(cadr gnus-command-method)
last)))
(when (and gnus-agent (gnus-agent-method-p gnus-command-method))
(gnus-agent-regenerate-group group (list (cdr result))))
result))
(defun gnus-request-replace-article (article group buffer &optional no-encode)
(unless no-encode
(let ((message-options message-options))
(message-options-set-recipient)
(save-restriction
(message-narrow-to-head)
(let ((mail-parse-charset message-default-charset))
(mail-encode-encoded-word-buffer)))
(message-encode-message-body)))
(let* ((func (car (gnus-group-name-to-method group)))
(result (funcall (intern (format "%s-request-replace-article" func))
article (gnus-group-real-name group) buffer)))
(when (and gnus-agent (gnus-agent-method-p gnus-command-method))
(gnus-agent-regenerate-group group (list article)))
result))
(defun gnus-request-associate-buffer (group)
(let ((gnus-command-method (gnus-find-method-for-group group)))
(funcall (gnus-get-function gnus-command-method 'request-associate-buffer)
(gnus-group-real-name group))))
(defun gnus-request-restore-buffer (article group)
"Request a new buffer restored to the state of ARTICLE."
(let ((gnus-command-method (gnus-find-method-for-group group)))
(funcall (gnus-get-function gnus-command-method 'request-restore-buffer)
article (gnus-group-real-name group)
(nth 1 gnus-command-method))))
(defun gnus-request-create-group (group &optional gnus-command-method args)
(when (stringp gnus-command-method)
(setq gnus-command-method (gnus-server-to-method gnus-command-method)))
(let ((gnus-command-method
(or gnus-command-method (gnus-find-method-for-group group))))
(funcall (gnus-get-function gnus-command-method 'request-create-group)
(gnus-group-real-name group) (nth 1 gnus-command-method) args)))
(defun gnus-request-delete-group (group &optional force)
(let* ((gnus-command-method (gnus-find-method-for-group group))
(result
(funcall (gnus-get-function gnus-command-method 'request-delete-group)
(gnus-group-real-name group) force (nth 1 gnus-command-method))))
(when result
(gnus-cache-delete-group group)
(gnus-agent-delete-group group))
result))
(defun gnus-request-rename-group (group new-name)
(let* ((gnus-command-method (gnus-find-method-for-group group))
(result
(funcall (gnus-get-function gnus-command-method 'request-rename-group)
(gnus-group-real-name group)
(gnus-group-real-name new-name) (nth 1 gnus-command-method))))
(when result
(gnus-cache-rename-group group new-name)
(gnus-agent-rename-group group new-name))
result))
(defun gnus-close-backends ()
;; Send a close request to all backends that support such a request.
(let ((methods gnus-valid-select-methods)
(gnus-inhibit-demon t)
func gnus-command-method)
(while (setq gnus-command-method (pop methods))
(when (fboundp (setq func (intern
(concat (car gnus-command-method)
"-request-close"))))
(funcall func)))))
(defun gnus-asynchronous-p (gnus-command-method)
(let ((func (gnus-get-function gnus-command-method 'asynchronous-p t)))
(when (fboundp func)
(funcall func))))
(defun gnus-remove-denial (gnus-command-method)
(when (stringp gnus-command-method)
(setq gnus-command-method (gnus-server-to-method gnus-command-method)))
(let* ((elem (assoc gnus-command-method gnus-opened-servers))
(status (cadr elem)))
;; If this hasn't been opened before, we add it to the list.
(when (eq status 'denied)
;; Set the status of this server.
(setcar (cdr elem) 'closed))))
(provide 'gnus-int)
;;; arch-tag: bbc90087-9b7f-4017-a92c-3abf180ac86d
;;; gnus-int.el ends here
|
