|
0
|
1 ;;; nnfolder.el --- mail folder access for Gnus
|
|
16
|
2 ;; Copyright (C) 1995,96,97 Free Software Foundation, Inc.
|
|
0
|
3
|
|
|
4 ;; Author: Scott Byer <byer@mv.us.adobe.com>
|
|
|
5 ;; Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
|
|
|
6 ;; Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
|
|
|
7 ;; Keywords: mail
|
|
|
8
|
|
|
9 ;; This file is part of GNU Emacs.
|
|
|
10
|
|
|
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
|
|
|
12 ;; it under the terms of the GNU General Public License as published by
|
|
|
13 ;; the Free Software Foundation; either version 2, or (at your option)
|
|
|
14 ;; any later version.
|
|
|
15
|
|
|
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.
|
|
|
20
|
|
|
21 ;; You should have received a copy of the GNU General Public License
|
|
|
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
|
|
|
23 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
|
24 ;; Boston, MA 02111-1307, USA.
|
|
|
25
|
|
|
26 ;;; Commentary:
|
|
|
27
|
|
|
28 ;;; Code:
|
|
|
29
|
|
|
30 (require 'nnheader)
|
|
|
31 (require 'message)
|
|
|
32 (require 'nnmail)
|
|
|
33 (require 'nnoo)
|
|
16
|
34 (require 'cl)
|
|
|
35 (require 'gnus-util)
|
|
0
|
36
|
|
|
37 (nnoo-declare nnfolder)
|
|
|
38
|
|
|
39 (defvoo nnfolder-directory (expand-file-name message-directory)
|
|
|
40 "The name of the nnfolder directory.")
|
|
|
41
|
|
|
42 (defvoo nnfolder-active-file
|
|
|
43 (nnheader-concat nnfolder-directory "active")
|
|
|
44 "The name of the active file.")
|
|
|
45
|
|
|
46 ;; I renamed this variable to something more in keeping with the general GNU
|
|
|
47 ;; style. -SLB
|
|
|
48
|
|
|
49 (defvoo nnfolder-ignore-active-file nil
|
|
|
50 "If non-nil, causes nnfolder to do some extra work in order to determine
|
|
|
51 the true active ranges of an mbox file. Note that the active file is still
|
|
|
52 saved, but it's values are not used. This costs some extra time when
|
|
|
53 scanning an mbox when opening it.")
|
|
|
54
|
|
|
55 (defvoo nnfolder-distrust-mbox nil
|
|
|
56 "If non-nil, causes nnfolder to not trust the user with respect to
|
|
|
57 inserting unaccounted for mail in the middle of an mbox file. This can greatly
|
|
|
58 slow down scans, which now must scan the entire file for unmarked messages.
|
|
|
59 When nil, scans occur forward from the last marked message, a huge
|
|
|
60 time saver for large mailboxes.")
|
|
|
61
|
|
|
62 (defvoo nnfolder-newsgroups-file
|
|
|
63 (concat (file-name-as-directory nnfolder-directory) "newsgroups")
|
|
|
64 "Mail newsgroups description file.")
|
|
|
65
|
|
|
66 (defvoo nnfolder-get-new-mail t
|
|
|
67 "If non-nil, nnfolder will check the incoming mail file and split the mail.")
|
|
|
68
|
|
|
69 (defvoo nnfolder-prepare-save-mail-hook nil
|
|
|
70 "Hook run narrowed to an article before saving.")
|
|
|
71
|
|
|
72 (defvoo nnfolder-save-buffer-hook nil
|
|
|
73 "Hook run before saving the nnfolder mbox buffer.")
|
|
|
74
|
|
|
75 (defvoo nnfolder-inhibit-expiry nil
|
|
|
76 "If non-nil, inhibit expiry.")
|
|
|
77
|
|
|
78
|
|
|
79
|
|
|
80 (defconst nnfolder-version "nnfolder 1.0"
|
|
|
81 "nnfolder version.")
|
|
|
82
|
|
|
83 (defconst nnfolder-article-marker "X-Gnus-Article-Number: "
|
|
|
84 "String used to demarcate what the article number for a message is.")
|
|
|
85
|
|
|
86 (defvoo nnfolder-current-group nil)
|
|
|
87 (defvoo nnfolder-current-buffer nil)
|
|
|
88 (defvoo nnfolder-status-string "")
|
|
|
89 (defvoo nnfolder-group-alist nil)
|
|
|
90 (defvoo nnfolder-buffer-alist nil)
|
|
|
91 (defvoo nnfolder-scantime-alist nil)
|
|
|
92
|
|
|
93
|
|
|
94
|
|
|
95 ;;; Interface functions
|
|
|
96
|
|
|
97 (nnoo-define-basics nnfolder)
|
|
|
98
|
|
|
99 (deffoo nnfolder-retrieve-headers (articles &optional group server fetch-old)
|
|
|
100 (save-excursion
|
|
|
101 (set-buffer nntp-server-buffer)
|
|
|
102 (erase-buffer)
|
|
16
|
103 (let (article art-string start stop)
|
|
0
|
104 (nnfolder-possibly-change-group group server)
|
|
|
105 (when nnfolder-current-buffer
|
|
|
106 (set-buffer nnfolder-current-buffer)
|
|
|
107 (goto-char (point-min))
|
|
|
108 (if (stringp (car articles))
|
|
|
109 'headers
|
|
|
110 (while articles
|
|
|
111 (setq article (car articles))
|
|
|
112 (setq art-string (nnfolder-article-string article))
|
|
|
113 (set-buffer nnfolder-current-buffer)
|
|
16
|
114 (when (or (search-forward art-string nil t)
|
|
|
115 ;; Don't search the whole file twice! Also, articles
|
|
|
116 ;; probably have some locality by number, so searching
|
|
|
117 ;; backwards will be faster. Especially if we're at the
|
|
|
118 ;; beginning of the buffer :-). -SLB
|
|
|
119 (search-backward art-string nil t))
|
|
|
120 (nnmail-search-unix-mail-delim-backward)
|
|
|
121 (setq start (point))
|
|
|
122 (search-forward "\n\n" nil t)
|
|
|
123 (setq stop (1- (point)))
|
|
|
124 (set-buffer nntp-server-buffer)
|
|
|
125 (insert (format "221 %d Article retrieved.\n" article))
|
|
|
126 (insert-buffer-substring nnfolder-current-buffer start stop)
|
|
|
127 (goto-char (point-max))
|
|
|
128 (insert ".\n"))
|
|
0
|
129 (setq articles (cdr articles)))
|
|
|
130
|
|
|
131 (set-buffer nntp-server-buffer)
|
|
|
132 (nnheader-fold-continuation-lines)
|
|
|
133 'headers)))))
|
|
|
134
|
|
|
135 (deffoo nnfolder-open-server (server &optional defs)
|
|
|
136 (nnoo-change-server 'nnfolder server defs)
|
|
|
137 (when (not (file-exists-p nnfolder-directory))
|
|
16
|
138 (gnus-make-directory nnfolder-directory))
|
|
0
|
139 (cond
|
|
|
140 ((not (file-exists-p nnfolder-directory))
|
|
|
141 (nnfolder-close-server)
|
|
|
142 (nnheader-report 'nnfolder "Couldn't create directory: %s"
|
|
|
143 nnfolder-directory))
|
|
|
144 ((not (file-directory-p (file-truename nnfolder-directory)))
|
|
|
145 (nnfolder-close-server)
|
|
|
146 (nnheader-report 'nnfolder "Not a directory: %s" nnfolder-directory))
|
|
|
147 (t
|
|
|
148 (nnheader-report 'nnfolder "Opened server %s using directory %s"
|
|
|
149 server nnfolder-directory)
|
|
|
150 t)))
|
|
|
151
|
|
|
152 (deffoo nnfolder-request-close ()
|
|
|
153 (let ((alist nnfolder-buffer-alist))
|
|
|
154 (while alist
|
|
|
155 (nnfolder-close-group (caar alist) nil t)
|
|
|
156 (setq alist (cdr alist))))
|
|
|
157 (nnoo-close-server 'nnfolder)
|
|
|
158 (setq nnfolder-buffer-alist nil
|
|
|
159 nnfolder-group-alist nil))
|
|
|
160
|
|
|
161 (deffoo nnfolder-request-article (article &optional group server buffer)
|
|
|
162 (nnfolder-possibly-change-group group server)
|
|
|
163 (save-excursion
|
|
|
164 (set-buffer nnfolder-current-buffer)
|
|
|
165 (goto-char (point-min))
|
|
16
|
166 (when (search-forward (nnfolder-article-string article) nil t)
|
|
|
167 (let (start stop)
|
|
|
168 (nnmail-search-unix-mail-delim-backward)
|
|
|
169 (setq start (point))
|
|
|
170 (forward-line 1)
|
|
|
171 (unless (and (nnmail-search-unix-mail-delim)
|
|
|
172 (forward-line -1))
|
|
|
173 (goto-char (point-max)))
|
|
|
174 (setq stop (point))
|
|
|
175 (let ((nntp-server-buffer (or buffer nntp-server-buffer)))
|
|
|
176 (set-buffer nntp-server-buffer)
|
|
|
177 (erase-buffer)
|
|
|
178 (insert-buffer-substring nnfolder-current-buffer start stop)
|
|
|
179 (goto-char (point-min))
|
|
|
180 (while (looking-at "From ")
|
|
|
181 (delete-char 5)
|
|
|
182 (insert "X-From-Line: ")
|
|
|
183 (forward-line 1))
|
|
|
184 (if (numberp article)
|
|
|
185 (cons nnfolder-current-group article)
|
|
0
|
186 (goto-char (point-min))
|
|
16
|
187 (search-forward (concat "\n" nnfolder-article-marker))
|
|
|
188 (cons nnfolder-current-group
|
|
|
189 (string-to-int
|
|
|
190 (buffer-substring
|
|
|
191 (point) (progn (end-of-line) (point)))))))))))
|
|
0
|
192
|
|
|
193 (deffoo nnfolder-request-group (group &optional server dont-check)
|
|
|
194 (save-excursion
|
|
|
195 (nnmail-activate 'nnfolder)
|
|
|
196 (if (not (assoc group nnfolder-group-alist))
|
|
|
197 (nnheader-report 'nnfolder "No such group: %s" group)
|
|
|
198 (nnfolder-possibly-change-group group server)
|
|
|
199 (if dont-check
|
|
|
200 (progn
|
|
|
201 (nnheader-report 'nnfolder "Selected group %s" group)
|
|
|
202 t)
|
|
|
203 (let* ((active (assoc group nnfolder-group-alist))
|
|
|
204 (group (car active))
|
|
|
205 (range (cadr active)))
|
|
|
206 (cond
|
|
|
207 ((null active)
|
|
|
208 (nnheader-report 'nnfolder "No such group: %s" group))
|
|
|
209 ((null nnfolder-current-group)
|
|
|
210 (nnheader-report 'nnfolder "Empty group: %s" group))
|
|
|
211 (t
|
|
|
212 (nnheader-report 'nnfolder "Selected group %s" group)
|
|
|
213 (nnheader-insert "211 %d %d %d %s\n"
|
|
|
214 (1+ (- (cdr range) (car range)))
|
|
|
215 (car range) (cdr range) group))))))))
|
|
|
216
|
|
|
217 (deffoo nnfolder-request-scan (&optional group server)
|
|
|
218 (nnfolder-possibly-change-group group server t)
|
|
|
219 (nnmail-get-new-mail
|
|
|
220 'nnfolder
|
|
|
221 (lambda ()
|
|
|
222 (let ((bufs nnfolder-buffer-alist))
|
|
|
223 (save-excursion
|
|
|
224 (while bufs
|
|
|
225 (if (not (buffer-name (nth 1 (car bufs))))
|
|
|
226 (setq nnfolder-buffer-alist
|
|
|
227 (delq (car bufs) nnfolder-buffer-alist))
|
|
|
228 (set-buffer (nth 1 (car bufs)))
|
|
|
229 (nnfolder-save-buffer)
|
|
|
230 (kill-buffer (current-buffer)))
|
|
|
231 (setq bufs (cdr bufs))))))
|
|
|
232 nnfolder-directory
|
|
|
233 group))
|
|
|
234
|
|
|
235 ;; Don't close the buffer if we're not shutting down the server. This way,
|
|
|
236 ;; we can keep the buffer in the group buffer cache, and not have to grovel
|
|
|
237 ;; over the buffer again unless we add new mail to it or modify it in some
|
|
|
238 ;; way.
|
|
|
239
|
|
|
240 (deffoo nnfolder-close-group (group &optional server force)
|
|
|
241 ;; Make sure we _had_ the group open.
|
|
|
242 (when (or (assoc group nnfolder-buffer-alist)
|
|
|
243 (equal group nnfolder-current-group))
|
|
|
244 (let ((inf (assoc group nnfolder-buffer-alist)))
|
|
|
245 (when inf
|
|
|
246 (when nnfolder-current-group
|
|
|
247 (push (list nnfolder-current-group nnfolder-current-buffer)
|
|
|
248 nnfolder-buffer-alist))
|
|
|
249 (setq nnfolder-buffer-alist
|
|
|
250 (delq inf nnfolder-buffer-alist))
|
|
|
251 (setq nnfolder-current-buffer (cadr inf)
|
|
|
252 nnfolder-current-group (car inf))))
|
|
|
253 (when (and nnfolder-current-buffer
|
|
|
254 (buffer-name nnfolder-current-buffer))
|
|
|
255 (save-excursion
|
|
|
256 (set-buffer nnfolder-current-buffer)
|
|
|
257 ;; If the buffer was modified, write the file out now.
|
|
|
258 (nnfolder-save-buffer)
|
|
|
259 ;; If we're shutting the server down, we need to kill the
|
|
|
260 ;; buffer and remove it from the open buffer list. Or, of
|
|
|
261 ;; course, if we're trying to minimize our space impact.
|
|
|
262 (kill-buffer (current-buffer))
|
|
|
263 (setq nnfolder-buffer-alist (delq (assoc group nnfolder-buffer-alist)
|
|
|
264 nnfolder-buffer-alist)))))
|
|
|
265 (setq nnfolder-current-group nil
|
|
|
266 nnfolder-current-buffer nil)
|
|
|
267 t)
|
|
|
268
|
|
16
|
269 (deffoo nnfolder-request-create-group (group &optional server args)
|
|
0
|
270 (nnfolder-possibly-change-group nil server)
|
|
|
271 (nnmail-activate 'nnfolder)
|
|
|
272 (when group
|
|
|
273 (unless (assoc group nnfolder-group-alist)
|
|
|
274 (push (list group (cons 1 0)) nnfolder-group-alist)
|
|
|
275 (nnmail-save-active nnfolder-group-alist nnfolder-active-file)))
|
|
|
276 t)
|
|
|
277
|
|
|
278 (deffoo nnfolder-request-list (&optional server)
|
|
|
279 (nnfolder-possibly-change-group nil server)
|
|
|
280 (save-excursion
|
|
|
281 (nnmail-find-file nnfolder-active-file)
|
|
16
|
282 (setq nnfolder-group-alist (nnmail-get-active))
|
|
|
283 t))
|
|
0
|
284
|
|
|
285 (deffoo nnfolder-request-newgroups (date &optional server)
|
|
|
286 (nnfolder-possibly-change-group nil server)
|
|
|
287 (nnfolder-request-list server))
|
|
|
288
|
|
|
289 (deffoo nnfolder-request-list-newsgroups (&optional server)
|
|
|
290 (nnfolder-possibly-change-group nil server)
|
|
|
291 (save-excursion
|
|
|
292 (nnmail-find-file nnfolder-newsgroups-file)))
|
|
|
293
|
|
|
294 (deffoo nnfolder-request-expire-articles
|
|
|
295 (articles newsgroup &optional server force)
|
|
|
296 (nnfolder-possibly-change-group newsgroup server)
|
|
|
297 (let* ((is-old t)
|
|
|
298 rest)
|
|
|
299 (nnmail-activate 'nnfolder)
|
|
|
300
|
|
|
301 (save-excursion
|
|
|
302 (set-buffer nnfolder-current-buffer)
|
|
|
303 (while (and articles is-old)
|
|
|
304 (goto-char (point-min))
|
|
16
|
305 (when (search-forward (nnfolder-article-string (car articles)) nil t)
|
|
|
306 (if (setq is-old
|
|
|
307 (nnmail-expired-article-p
|
|
|
308 newsgroup
|
|
|
309 (buffer-substring
|
|
|
310 (point) (progn (end-of-line) (point)))
|
|
|
311 force nnfolder-inhibit-expiry))
|
|
|
312 (progn
|
|
|
313 (nnheader-message 5 "Deleting article %d..."
|
|
|
314 (car articles) newsgroup)
|
|
|
315 (nnfolder-delete-mail))
|
|
|
316 (push (car articles) rest)))
|
|
0
|
317 (setq articles (cdr articles)))
|
|
16
|
318 (unless nnfolder-inhibit-expiry
|
|
|
319 (nnheader-message 5 "Deleting articles...done"))
|
|
0
|
320 (nnfolder-save-buffer)
|
|
|
321 ;; Find the lowest active article in this group.
|
|
|
322 (let* ((active (cadr (assoc newsgroup nnfolder-group-alist)))
|
|
|
323 (marker (concat "\n" nnfolder-article-marker))
|
|
|
324 (number "[0-9]+")
|
|
|
325 (activemin (cdr active)))
|
|
|
326 (goto-char (point-min))
|
|
|
327 (while (and (search-forward marker nil t)
|
|
|
328 (re-search-forward number nil t))
|
|
|
329 (setq activemin (min activemin
|
|
|
330 (string-to-number (buffer-substring
|
|
|
331 (match-beginning 0)
|
|
|
332 (match-end 0))))))
|
|
|
333 (setcar active activemin))
|
|
|
334 (nnmail-save-active nnfolder-group-alist nnfolder-active-file)
|
|
|
335 (nconc rest articles))))
|
|
|
336
|
|
|
337 (deffoo nnfolder-request-move-article
|
|
|
338 (article group server accept-form &optional last)
|
|
|
339 (let ((buf (get-buffer-create " *nnfolder move*"))
|
|
|
340 result)
|
|
|
341 (and
|
|
|
342 (nnfolder-request-article article group server)
|
|
|
343 (save-excursion
|
|
|
344 (set-buffer buf)
|
|
|
345 (buffer-disable-undo (current-buffer))
|
|
|
346 (erase-buffer)
|
|
|
347 (insert-buffer-substring nntp-server-buffer)
|
|
|
348 (goto-char (point-min))
|
|
|
349 (while (re-search-forward
|
|
|
350 (concat "^" nnfolder-article-marker)
|
|
|
351 (save-excursion (search-forward "\n\n" nil t) (point)) t)
|
|
|
352 (delete-region (progn (beginning-of-line) (point))
|
|
|
353 (progn (forward-line 1) (point))))
|
|
|
354 (setq result (eval accept-form))
|
|
|
355 (kill-buffer buf)
|
|
|
356 result)
|
|
|
357 (save-excursion
|
|
|
358 (nnfolder-possibly-change-group group server)
|
|
|
359 (set-buffer nnfolder-current-buffer)
|
|
|
360 (goto-char (point-min))
|
|
16
|
361 (when (search-forward (nnfolder-article-string article) nil t)
|
|
|
362 (nnfolder-delete-mail))
|
|
0
|
363 (and last (nnfolder-save-buffer))))
|
|
|
364 result))
|
|
|
365
|
|
|
366 (deffoo nnfolder-request-accept-article (group &optional server last)
|
|
|
367 (nnfolder-possibly-change-group group server)
|
|
|
368 (nnmail-check-syntax)
|
|
|
369 (let ((buf (current-buffer))
|
|
|
370 result)
|
|
|
371 (goto-char (point-min))
|
|
|
372 (when (looking-at "X-From-Line: ")
|
|
|
373 (replace-match "From "))
|
|
|
374 (and
|
|
|
375 (nnfolder-request-list)
|
|
|
376 (save-excursion
|
|
|
377 (set-buffer buf)
|
|
|
378 (goto-char (point-min))
|
|
|
379 (search-forward "\n\n" nil t)
|
|
|
380 (forward-line -1)
|
|
|
381 (while (re-search-backward (concat "^" nnfolder-article-marker) nil t)
|
|
|
382 (delete-region (point) (progn (forward-line 1) (point))))
|
|
16
|
383 (setq result
|
|
|
384 (car (nnfolder-save-mail
|
|
|
385 (if (stringp group)
|
|
|
386 (list (cons group (nnfolder-active-number group)))
|
|
|
387 (nnmail-article-group 'nnfolder-active-number))))))
|
|
0
|
388 (save-excursion
|
|
|
389 (set-buffer nnfolder-current-buffer)
|
|
|
390 (and last (nnfolder-save-buffer))))
|
|
|
391 (nnmail-save-active nnfolder-group-alist nnfolder-active-file)
|
|
|
392 (unless result
|
|
|
393 (nnheader-report 'nnfolder "Couldn't store article"))
|
|
|
394 result))
|
|
|
395
|
|
|
396 (deffoo nnfolder-request-replace-article (article group buffer)
|
|
|
397 (nnfolder-possibly-change-group group)
|
|
|
398 (save-excursion
|
|
|
399 (set-buffer nnfolder-current-buffer)
|
|
|
400 (goto-char (point-min))
|
|
|
401 (if (not (search-forward (nnfolder-article-string article) nil t))
|
|
|
402 nil
|
|
|
403 (nnfolder-delete-mail t t)
|
|
|
404 (insert-buffer-substring buffer)
|
|
|
405 (nnfolder-save-buffer)
|
|
|
406 t)))
|
|
|
407
|
|
|
408 (deffoo nnfolder-request-delete-group (group &optional force server)
|
|
|
409 (nnfolder-close-group group server t)
|
|
|
410 ;; Delete all articles in GROUP.
|
|
|
411 (if (not force)
|
|
|
412 () ; Don't delete the articles.
|
|
|
413 ;; Delete the file that holds the group.
|
|
16
|
414 (ignore-errors
|
|
|
415 (delete-file (nnfolder-group-pathname group))))
|
|
0
|
416 ;; Remove the group from all structures.
|
|
|
417 (setq nnfolder-group-alist
|
|
|
418 (delq (assoc group nnfolder-group-alist) nnfolder-group-alist)
|
|
|
419 nnfolder-current-group nil
|
|
|
420 nnfolder-current-buffer nil)
|
|
|
421 ;; Save the active file.
|
|
|
422 (nnmail-save-active nnfolder-group-alist nnfolder-active-file)
|
|
|
423 t)
|
|
|
424
|
|
|
425 (deffoo nnfolder-request-rename-group (group new-name &optional server)
|
|
|
426 (nnfolder-possibly-change-group group server)
|
|
|
427 (save-excursion
|
|
|
428 (set-buffer nnfolder-current-buffer)
|
|
|
429 (and (file-writable-p buffer-file-name)
|
|
16
|
430 (ignore-errors
|
|
|
431 (rename-file
|
|
|
432 buffer-file-name
|
|
|
433 (nnfolder-group-pathname new-name))
|
|
|
434 t)
|
|
0
|
435 ;; That went ok, so we change the internal structures.
|
|
|
436 (let ((entry (assoc group nnfolder-group-alist)))
|
|
|
437 (and entry (setcar entry new-name))
|
|
|
438 (setq nnfolder-current-buffer nil
|
|
|
439 nnfolder-current-group nil)
|
|
|
440 ;; Save the new group alist.
|
|
|
441 (nnmail-save-active nnfolder-group-alist nnfolder-active-file)
|
|
|
442 ;; We kill the buffer instead of renaming it and stuff.
|
|
|
443 (kill-buffer (current-buffer))
|
|
|
444 t))))
|
|
|
445
|
|
|
446
|
|
|
447 ;;; Internal functions.
|
|
|
448
|
|
|
449 (defun nnfolder-article-string (article)
|
|
|
450 (if (numberp article)
|
|
|
451 (concat "\n" nnfolder-article-marker (int-to-string article) " ")
|
|
|
452 (concat "\nMessage-ID: " article)))
|
|
|
453
|
|
|
454 (defun nnfolder-delete-mail (&optional force leave-delim)
|
|
|
455 "Delete the message that point is in."
|
|
|
456 (save-excursion
|
|
|
457 (delete-region
|
|
|
458 (save-excursion
|
|
16
|
459 (nnmail-search-unix-mail-delim-backward)
|
|
0
|
460 (if leave-delim (progn (forward-line 1) (point))
|
|
16
|
461 (point)))
|
|
0
|
462 (progn
|
|
|
463 (forward-line 1)
|
|
16
|
464 (if (nnmail-search-unix-mail-delim)
|
|
0
|
465 (if (and (not (bobp)) leave-delim)
|
|
|
466 (progn (forward-line -2) (point))
|
|
16
|
467 (point))
|
|
0
|
468 (point-max))))))
|
|
|
469
|
|
|
470 ;; When scanning, we're not looking t immediately switch into the group - if
|
|
|
471 ;; we know our information is up to date, don't even bother reading the file.
|
|
|
472 (defun nnfolder-possibly-change-group (group &optional server scanning)
|
|
|
473 (when (and server
|
|
|
474 (not (nnfolder-server-opened server)))
|
|
|
475 (nnfolder-open-server server))
|
|
|
476 (when (and group (or nnfolder-current-buffer
|
|
|
477 (not (equal group nnfolder-current-group))))
|
|
16
|
478 (gnus-make-directory (directory-file-name nnfolder-directory))
|
|
0
|
479 (nnfolder-possibly-activate-groups nil)
|
|
|
480 (or (assoc group nnfolder-group-alist)
|
|
|
481 (not (file-exists-p
|
|
|
482 (nnfolder-group-pathname group)))
|
|
|
483 (progn
|
|
16
|
484 (push (list group (cons 1 0)) nnfolder-group-alist)
|
|
0
|
485 (nnmail-save-active nnfolder-group-alist nnfolder-active-file)))
|
|
|
486 (let (inf file)
|
|
|
487 (if (and (equal group nnfolder-current-group)
|
|
|
488 nnfolder-current-buffer
|
|
|
489 (buffer-name nnfolder-current-buffer))
|
|
|
490 ()
|
|
|
491 (setq nnfolder-current-group group)
|
|
|
492
|
|
|
493 ;; If we have to change groups, see if we don't already have the mbox
|
|
|
494 ;; in memory. If we do, verify the modtime and destroy the mbox if
|
|
|
495 ;; needed so we can rescan it.
|
|
16
|
496 (when (setq inf (assoc group nnfolder-buffer-alist))
|
|
|
497 (setq nnfolder-current-buffer (nth 1 inf)))
|
|
0
|
498
|
|
|
499 ;; If the buffer is not live, make sure it isn't in the alist. If it
|
|
|
500 ;; is live, verify that nobody else has touched the file since last
|
|
|
501 ;; time.
|
|
16
|
502 (when (or (not (and nnfolder-current-buffer
|
|
|
503 (buffer-name nnfolder-current-buffer)))
|
|
|
504 (not (and (bufferp nnfolder-current-buffer)
|
|
|
505 (verify-visited-file-modtime
|
|
|
506 nnfolder-current-buffer))))
|
|
|
507 (when (and nnfolder-current-buffer
|
|
|
508 (buffer-name nnfolder-current-buffer)
|
|
|
509 (bufferp nnfolder-current-buffer))
|
|
|
510 (kill-buffer nnfolder-current-buffer))
|
|
|
511 (setq nnfolder-buffer-alist (delq inf nnfolder-buffer-alist))
|
|
|
512 (setq inf nil))
|
|
0
|
513
|
|
16
|
514 (unless inf
|
|
0
|
515 (save-excursion
|
|
|
516 (setq file (nnfolder-group-pathname group))
|
|
16
|
517 (unless (file-directory-p (file-truename file))
|
|
0
|
518 (unless (file-exists-p file)
|
|
16
|
519 (gnus-make-directory (file-name-directory file))
|
|
|
520 (nnmail-write-region 1 1 file t 'nomesg))
|
|
|
521 (setq nnfolder-current-group group)
|
|
0
|
522 (setq nnfolder-current-buffer
|
|
|
523 (nnfolder-read-folder file scanning))
|
|
16
|
524 (when nnfolder-current-buffer
|
|
|
525 (set-buffer nnfolder-current-buffer)
|
|
|
526 (push (list group nnfolder-current-buffer)
|
|
|
527 nnfolder-buffer-alist)))))))
|
|
0
|
528 (setq nnfolder-current-group group)))
|
|
|
529
|
|
16
|
530 (defun nnfolder-save-mail (group-art-list)
|
|
0
|
531 "Called narrowed to an article."
|
|
16
|
532 (let* (save-list group-art)
|
|
0
|
533 (goto-char (point-min))
|
|
2
|
534 ;; The From line may have been quoted by movemail.
|
|
|
535 (when (looking-at (concat ">" message-unix-mail-delimiter))
|
|
|
536 (delete-char 1))
|
|
|
537 ;; This might come from somewhere else.
|
|
16
|
538 (unless (looking-at message-unix-mail-delimiter)
|
|
0
|
539 (insert "From nobody " (current-time-string) "\n")
|
|
|
540 (goto-char (point-min)))
|
|
|
541 ;; Quote all "From " lines in the article.
|
|
|
542 (forward-line 1)
|
|
16
|
543 (while (re-search-forward "^From " nil t)
|
|
0
|
544 (beginning-of-line)
|
|
|
545 (insert "> "))
|
|
|
546 (setq save-list group-art-list)
|
|
|
547 (nnmail-insert-lines)
|
|
|
548 (nnmail-insert-xref group-art-list)
|
|
|
549 (run-hooks 'nnmail-prepare-save-mail-hook)
|
|
|
550 (run-hooks 'nnfolder-prepare-save-mail-hook)
|
|
|
551
|
|
|
552 ;; Insert the mail into each of the destination groups.
|
|
|
553 (while group-art-list
|
|
|
554 (setq group-art (car group-art-list)
|
|
|
555 group-art-list (cdr group-art-list))
|
|
|
556
|
|
|
557 ;; Kill the previous newsgroup markers.
|
|
|
558 (goto-char (point-min))
|
|
|
559 (search-forward "\n\n" nil t)
|
|
|
560 (forward-line -1)
|
|
|
561 (while (search-backward (concat "\n" nnfolder-article-marker) nil t)
|
|
|
562 (delete-region (1+ (point)) (progn (forward-line 2) (point))))
|
|
|
563
|
|
|
564 (nnfolder-possibly-change-group (car group-art))
|
|
|
565 ;; Insert the new newsgroup marker.
|
|
|
566 (nnfolder-insert-newsgroup-line group-art)
|
|
|
567 (unless nnfolder-current-buffer
|
|
|
568 (nnfolder-close-group (car group-art))
|
|
|
569 (nnfolder-request-create-group (car group-art))
|
|
|
570 (nnfolder-possibly-change-group (car group-art)))
|
|
|
571 (let ((beg (point-min))
|
|
|
572 (end (point-max))
|
|
|
573 (obuf (current-buffer)))
|
|
|
574 (set-buffer nnfolder-current-buffer)
|
|
|
575 (goto-char (point-max))
|
|
|
576 (unless (eolp)
|
|
|
577 (insert "\n"))
|
|
16
|
578 (unless (bobp)
|
|
|
579 (insert "\n"))
|
|
0
|
580 (insert-buffer-substring obuf beg end)
|
|
|
581 (set-buffer obuf)))
|
|
|
582
|
|
|
583 ;; Did we save it anywhere?
|
|
|
584 save-list))
|
|
|
585
|
|
|
586 (defun nnfolder-insert-newsgroup-line (group-art)
|
|
|
587 (save-excursion
|
|
|
588 (goto-char (point-min))
|
|
16
|
589 (when (search-forward "\n\n" nil t)
|
|
|
590 (forward-char -1)
|
|
|
591 (insert (format (concat nnfolder-article-marker "%d %s\n")
|
|
|
592 (cdr group-art) (current-time-string))))))
|
|
0
|
593
|
|
|
594 (defun nnfolder-possibly-activate-groups (&optional group)
|
|
|
595 (save-excursion
|
|
|
596 ;; If we're looking for the activation of a specific group, find out
|
|
|
597 ;; its real name and switch to it.
|
|
16
|
598 (when group
|
|
|
599 (nnfolder-possibly-change-group group))
|
|
0
|
600 ;; If the group alist isn't active, activate it now.
|
|
|
601 (nnmail-activate 'nnfolder)))
|
|
|
602
|
|
|
603 (defun nnfolder-active-number (group)
|
|
|
604 (when group
|
|
|
605 (save-excursion
|
|
|
606 ;; Find the next article number in GROUP.
|
|
|
607 (prog1
|
|
|
608 (let ((active (cadr (assoc group nnfolder-group-alist))))
|
|
|
609 (if active
|
|
|
610 (setcdr active (1+ (cdr active)))
|
|
|
611 ;; This group is new, so we create a new entry for it.
|
|
|
612 ;; This might be a bit naughty... creating groups on the drop of
|
|
|
613 ;; a hat, but I don't know...
|
|
16
|
614 (push (list group (setq active (cons 1 1)))
|
|
|
615 nnfolder-group-alist))
|
|
0
|
616 (cdr active))
|
|
|
617 (nnmail-save-active nnfolder-group-alist nnfolder-active-file)
|
|
|
618 (nnfolder-possibly-activate-groups group)))))
|
|
|
619
|
|
|
620
|
|
|
621 ;; This method has a problem if you've accidentally let the active list get
|
|
|
622 ;; out of sync with the files. This could happen, say, if you've
|
|
|
623 ;; accidentally gotten new mail with something other than Gnus (but why
|
|
|
624 ;; would _that_ ever happen? :-). In that case, we will be in the middle of
|
|
|
625 ;; processing the file, ready to add new X-Gnus article number markers, and
|
|
|
626 ;; we'll run across a message with no ID yet - the active list _may_not_ be
|
|
|
627 ;; ready for us yet.
|
|
|
628
|
|
|
629 ;; To handle this, I'm modifying this routine to maintain the maximum ID seen
|
|
|
630 ;; so far, and when we hit a message with no ID, we will _manually_ scan the
|
|
|
631 ;; rest of the message looking for any more, possibly higher IDs. We'll
|
|
|
632 ;; assume the maximum that we find is the highest active. Note that this
|
|
|
633 ;; shouldn't cost us much extra time at all, but will be a lot less
|
|
|
634 ;; vulnerable to glitches between the mbox and the active file.
|
|
|
635
|
|
|
636 (defun nnfolder-read-folder (file &optional scanning)
|
|
|
637 ;; This is an attempt at a serious shortcut - don't even read in the file
|
|
|
638 ;; if we know we've seen it since the last time it was touched.
|
|
|
639 (let ((scantime (cadr (assoc nnfolder-current-group
|
|
|
640 nnfolder-scantime-alist)))
|
|
16
|
641 (modtime (nth 5 (file-attributes file))))
|
|
0
|
642 (if (and scanning scantime
|
|
|
643 (eq (car scantime) (car modtime))
|
|
|
644 (eq (cdr scantime) (cadr modtime)))
|
|
|
645 nil
|
|
|
646 (save-excursion
|
|
|
647 (nnfolder-possibly-activate-groups nil)
|
|
|
648 ;; Read in the file.
|
|
|
649 (set-buffer (setq nnfolder-current-buffer
|
|
16
|
650 (nnheader-find-file-noselect file)))
|
|
0
|
651 (buffer-disable-undo (current-buffer))
|
|
16
|
652 (setq buffer-read-only nil)
|
|
0
|
653 ;; If the file hasn't been touched since the last time we scanned it,
|
|
|
654 ;; don't bother doing anything with it.
|
|
|
655 (let ((delim (concat "^" message-unix-mail-delimiter))
|
|
|
656 (marker (concat "\n" nnfolder-article-marker))
|
|
|
657 (number "[0-9]+")
|
|
2
|
658 (active (or (cadr (assoc nnfolder-current-group
|
|
|
659 nnfolder-group-alist))
|
|
|
660 (cons 1 0)))
|
|
0
|
661 (scantime (assoc nnfolder-current-group nnfolder-scantime-alist))
|
|
|
662 (minid (lsh -1 -1))
|
|
|
663 maxid start end newscantime)
|
|
|
664
|
|
|
665 (setq maxid (or (cdr active) 0))
|
|
|
666 (goto-char (point-min))
|
|
|
667
|
|
|
668 ;; Anytime the active number is 1 or 0, it is suspect. In that
|
|
|
669 ;; case, search the file manually to find the active number. Or,
|
|
|
670 ;; of course, if we're being paranoid. (This would also be the
|
|
|
671 ;; place to build other lists from the header markers, such as
|
|
|
672 ;; expunge lists, etc., if we ever desired to abandon the active
|
|
|
673 ;; file entirely for mboxes.)
|
|
|
674 (when (or nnfolder-ignore-active-file
|
|
|
675 (< maxid 2))
|
|
16
|
676 (while (and (search-forward marker nil t)
|
|
|
677 (re-search-forward number nil t))
|
|
|
678 (let ((newnum (string-to-number (match-string 0))))
|
|
|
679 (setq maxid (max maxid newnum))
|
|
|
680 (setq minid (min minid newnum))))
|
|
|
681 (setcar active (max 1 (min minid maxid)))
|
|
|
682 (setcdr active (max maxid (cdr active)))
|
|
|
683 (goto-char (point-min)))
|
|
0
|
684
|
|
|
685 ;; As long as we trust that the user will only insert unmarked mail
|
|
|
686 ;; at the end, go to the end and search backwards for the last
|
|
|
687 ;; marker. Find the start of that message, and begin to search for
|
|
|
688 ;; unmarked messages from there.
|
|
16
|
689 (when (not (or nnfolder-distrust-mbox
|
|
|
690 (< maxid 2)))
|
|
|
691 (goto-char (point-max))
|
|
|
692 (if (not (re-search-backward marker nil t))
|
|
|
693 (goto-char (point-min))
|
|
|
694 (when (not (nnmail-search-unix-mail-delim))
|
|
|
695 (goto-char (point-min)))))
|
|
0
|
696
|
|
|
697 ;; Keep track of the active number on our own, and insert it back
|
|
16
|
698 ;; into the active list when we're done. Also, prime the pump to
|
|
0
|
699 ;; cut down on the number of searches we do.
|
|
|
700 (setq end (point-marker))
|
|
16
|
701 (set-marker end (or (and (nnmail-search-unix-mail-delim)
|
|
|
702 (point))
|
|
0
|
703 (point-max)))
|
|
|
704 (while (not (= end (point-max)))
|
|
|
705 (setq start (marker-position end))
|
|
|
706 (goto-char end)
|
|
|
707 ;; There may be more than one "From " line, so we skip past
|
|
|
708 ;; them.
|
|
16
|
709 (while (looking-at delim)
|
|
0
|
710 (forward-line 1))
|
|
16
|
711 (set-marker end (or (and (nnmail-search-unix-mail-delim)
|
|
|
712 (point))
|
|
0
|
713 (point-max)))
|
|
|
714 (goto-char start)
|
|
16
|
715 (when (not (search-forward marker end t))
|
|
|
716 (narrow-to-region start end)
|
|
|
717 (nnmail-insert-lines)
|
|
|
718 (nnfolder-insert-newsgroup-line
|
|
|
719 (cons nil (nnfolder-active-number nnfolder-current-group)))
|
|
|
720 (widen)))
|
|
0
|
721
|
|
|
722 ;; Make absolutely sure that the active list reflects reality!
|
|
|
723 (nnmail-save-active nnfolder-group-alist nnfolder-active-file)
|
|
|
724 ;; Set the scantime for this group.
|
|
|
725 (setq newscantime (visited-file-modtime))
|
|
|
726 (if scantime
|
|
|
727 (setcdr scantime (list newscantime))
|
|
16
|
728 (push (list nnfolder-current-group newscantime)
|
|
0
|
729 nnfolder-scantime-alist))
|
|
|
730 (current-buffer))))))
|
|
|
731
|
|
|
732 ;;;###autoload
|
|
|
733 (defun nnfolder-generate-active-file ()
|
|
|
734 "Look for mbox folders in the nnfolder directory and make them into groups."
|
|
|
735 (interactive)
|
|
|
736 (nnmail-activate 'nnfolder)
|
|
|
737 (let ((files (directory-files nnfolder-directory))
|
|
16
|
738 file)
|
|
0
|
739 (while (setq file (pop files))
|
|
|
740 (when (and (not (backup-file-name-p file))
|
|
16
|
741 (nnheader-mail-file-mbox-p
|
|
|
742 (concat nnfolder-directory file)))
|
|
|
743 (nnheader-message 5 "Adding group %s..." file)
|
|
|
744 (push (list file (cons 1 0)) nnfolder-group-alist)
|
|
|
745 (nnfolder-possibly-change-group file)
|
|
|
746 (nnfolder-close-group file))
|
|
0
|
747 (message ""))))
|
|
|
748
|
|
|
749 (defun nnfolder-group-pathname (group)
|
|
|
750 "Make pathname for GROUP."
|
|
|
751 (let ((dir (file-name-as-directory (expand-file-name nnfolder-directory))))
|
|
|
752 ;; If this file exists, we use it directly.
|
|
|
753 (if (or nnmail-use-long-file-names
|
|
|
754 (file-exists-p (concat dir group)))
|
|
|
755 (concat dir group)
|
|
|
756 ;; If not, we translate dots into slashes.
|
|
|
757 (concat dir (nnheader-replace-chars-in-string group ?. ?/)))))
|
|
|
758
|
|
|
759 (defun nnfolder-save-buffer ()
|
|
|
760 "Save the buffer."
|
|
|
761 (when (buffer-modified-p)
|
|
|
762 (run-hooks 'nnfolder-save-buffer-hook)
|
|
|
763 (save-buffer)))
|
|
|
764
|
|
|
765 (provide 'nnfolder)
|
|
|
766
|
|
|
767 ;;; nnfolder.el ends here
|
