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eec82323 | 1 | ;;; nnfolder.el --- mail folder access for Gnus |
e84b4b86 TTN |
2 | |
3 | ;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, | |
e3fe4da0 | 4 | ;; 2005, 2006, 2007, 2008 Free Software Foundation, Inc. |
eec82323 | 5 | |
23f87bed MB |
6 | ;; Author: Simon Josefsson <simon@josefsson.org> (adding MARKS) |
7 | ;; ShengHuo Zhu <zsh@cs.rochester.edu> (adding NOV) | |
8 | ;; Scott Byer <byer@mv.us.adobe.com> | |
6748645f | 9 | ;; Lars Magne Ingebrigtsen <larsi@gnus.org> |
23f87bed | 10 | ;; Masanobu UMEDA <umerin@flab.flab.fujitsu.junet> |
eec82323 LMI |
11 | ;; Keywords: mail |
12 | ||
13 | ;; This file is part of GNU Emacs. | |
14 | ||
15 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
16 | ;; it under the terms of the GNU General Public License as published by | |
5a9dffec | 17 | ;; the Free Software Foundation; either version 3, or (at your option) |
eec82323 LMI |
18 | ;; any later version. |
19 | ||
20 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
21 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
22 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
23 | ;; GNU General Public License for more details. | |
24 | ||
25 | ;; You should have received a copy of the GNU General Public License | |
26 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
3a35cf56 LK |
27 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
28 | ;; Boston, MA 02110-1301, USA. | |
eec82323 LMI |
29 | |
30 | ;;; Commentary: | |
31 | ||
32 | ;;; Code: | |
33 | ||
75327e94 GM |
34 | ;; For Emacs < 22.2. |
35 | (eval-and-compile | |
36 | (unless (fboundp 'declare-function) (defmacro declare-function (&rest r)))) | |
37 | ||
eec82323 LMI |
38 | (require 'nnheader) |
39 | (require 'message) | |
40 | (require 'nnmail) | |
41 | (require 'nnoo) | |
6748645f | 42 | (eval-when-compile (require 'cl)) |
23f87bed | 43 | (require 'gnus) |
eec82323 | 44 | (require 'gnus-util) |
0d972486 | 45 | (require 'gnus-range) |
eec82323 | 46 | |
23f87bed MB |
47 | (eval-and-compile |
48 | (autoload 'gnus-article-unpropagatable-p "gnus-sum") | |
49 | (autoload 'gnus-intersection "gnus-range")) | |
50 | ||
eec82323 LMI |
51 | (nnoo-declare nnfolder) |
52 | ||
53 | (defvoo nnfolder-directory (expand-file-name message-directory) | |
54 | "The name of the nnfolder directory.") | |
55 | ||
23f87bed MB |
56 | (defvoo nnfolder-nov-directory nil |
57 | "The name of the nnfolder NOV directory. | |
58 | If nil, `nnfolder-directory' is used.") | |
59 | ||
60 | (defvoo nnfolder-marks-directory nil | |
61 | "The name of the nnfolder MARKS directory. | |
62 | If nil, `nnfolder-directory' is used.") | |
63 | ||
eec82323 | 64 | (defvoo nnfolder-active-file |
16409b0b | 65 | (nnheader-concat nnfolder-directory "active") |
eec82323 LMI |
66 | "The name of the active file.") |
67 | ||
68 | ;; I renamed this variable to something more in keeping with the general GNU | |
69 | ;; style. -SLB | |
70 | ||
71 | (defvoo nnfolder-ignore-active-file nil | |
dcf4ae73 | 72 | "If non-nil, the active file is ignored. |
16409b0b GM |
73 | This causes nnfolder to do some extra work in order to determine the |
74 | true active ranges of an mbox file. Note that the active file is | |
dcf4ae73 | 75 | still saved, but its values are not used. This costs some extra time |
16409b0b | 76 | when scanning an mbox when opening it.") |
eec82323 LMI |
77 | |
78 | (defvoo nnfolder-distrust-mbox nil | |
16409b0b GM |
79 | "If non-nil, the folder will be distrusted. |
80 | This means that nnfolder will not trust the user with respect to | |
81 | inserting unaccounted for mail in the middle of an mbox file. This | |
82 | can greatly slow down scans, which now must scan the entire file for | |
83 | unmarked messages. When nil, scans occur forward from the last marked | |
84 | message, a huge time saver for large mailboxes.") | |
eec82323 LMI |
85 | |
86 | (defvoo nnfolder-newsgroups-file | |
16409b0b | 87 | (concat (file-name-as-directory nnfolder-directory) "newsgroups") |
eec82323 LMI |
88 | "Mail newsgroups description file.") |
89 | ||
90 | (defvoo nnfolder-get-new-mail t | |
91 | "If non-nil, nnfolder will check the incoming mail file and split the mail.") | |
92 | ||
93 | (defvoo nnfolder-prepare-save-mail-hook nil | |
94 | "Hook run narrowed to an article before saving.") | |
95 | ||
96 | (defvoo nnfolder-save-buffer-hook nil | |
97 | "Hook run before saving the nnfolder mbox buffer.") | |
98 | ||
23f87bed | 99 | |
eec82323 LMI |
100 | (defvoo nnfolder-inhibit-expiry nil |
101 | "If non-nil, inhibit expiry.") | |
102 | ||
103 | \f | |
104 | ||
23f87bed | 105 | (defconst nnfolder-version "nnfolder 2.0" |
eec82323 LMI |
106 | "nnfolder version.") |
107 | ||
108 | (defconst nnfolder-article-marker "X-Gnus-Article-Number: " | |
109 | "String used to demarcate what the article number for a message is.") | |
110 | ||
111 | (defvoo nnfolder-current-group nil) | |
112 | (defvoo nnfolder-current-buffer nil) | |
113 | (defvoo nnfolder-status-string "") | |
114 | (defvoo nnfolder-group-alist nil) | |
115 | (defvoo nnfolder-buffer-alist nil) | |
116 | (defvoo nnfolder-scantime-alist nil) | |
117 | (defvoo nnfolder-active-timestamp nil) | |
16409b0b | 118 | (defvoo nnfolder-active-file-coding-system mm-text-coding-system) |
a1506d29 | 119 | (defvoo nnfolder-active-file-coding-system-for-write |
16409b0b GM |
120 | nnmail-active-file-coding-system) |
121 | (defvoo nnfolder-file-coding-system mm-text-coding-system) | |
122 | (defvoo nnfolder-file-coding-system-for-write nnheader-file-coding-system | |
123 | "Coding system for save nnfolder file. | |
23f87bed MB |
124 | if nil, `nnfolder-file-coding-system' is used.") ; FIXME: fill-in the doc-string of this variable |
125 | ||
126 | (defvoo nnfolder-nov-is-evil nil | |
127 | "If non-nil, Gnus will never generate and use nov databases for mail groups. | |
128 | Using nov databases will speed up header fetching considerably. | |
129 | This variable shouldn't be flipped much. If you have, for some reason, | |
130 | set this to t, and want to set it to nil again, you should always run | |
131 | the `nnfolder-generate-active-file' command. The function will go | |
132 | through all nnfolder directories and generate nov databases for them | |
133 | all. This may very well take some time.") | |
134 | ||
135 | (defvoo nnfolder-nov-file-suffix ".nov") | |
136 | ||
137 | (defvoo nnfolder-nov-buffer-alist nil) | |
138 | ||
139 | (defvar nnfolder-nov-buffer-file-name nil) | |
140 | ||
141 | (defvoo nnfolder-marks-is-evil nil | |
142 | "If non-nil, Gnus will never generate and use marks file for mail groups. | |
143 | Using marks files makes it possible to backup and restore mail groups | |
144 | separately from `.newsrc.eld'. If you have, for some reason, set | |
145 | this to t, and want to set it to nil again, you should always remove | |
146 | the corresponding marks file (usually base nnfolder file name | |
147 | concatenated with `.mrk', but see `nnfolder-marks-file-suffix') for | |
148 | the group. Then the marks file will be regenerated properly by Gnus.") | |
149 | ||
150 | (defvoo nnfolder-marks nil) | |
151 | ||
152 | (defvoo nnfolder-marks-file-suffix ".mrk") | |
153 | ||
154 | (defvar nnfolder-marks-modtime (gnus-make-hashtable)) | |
eec82323 LMI |
155 | |
156 | \f | |
157 | ||
158 | ;;; Interface functions | |
159 | ||
160 | (nnoo-define-basics nnfolder) | |
161 | ||
162 | (deffoo nnfolder-retrieve-headers (articles &optional group server fetch-old) | |
163 | (save-excursion | |
164 | (set-buffer nntp-server-buffer) | |
165 | (erase-buffer) | |
23f87bed | 166 | (let (article start stop num) |
eec82323 LMI |
167 | (nnfolder-possibly-change-group group server) |
168 | (when nnfolder-current-buffer | |
169 | (set-buffer nnfolder-current-buffer) | |
170 | (goto-char (point-min)) | |
171 | (if (stringp (car articles)) | |
172 | 'headers | |
23f87bed MB |
173 | (if (nnfolder-retrieve-headers-with-nov articles fetch-old) |
174 | 'nov | |
175 | (setq articles (gnus-sorted-intersection | |
176 | ;; Is ARTICLES sorted? | |
177 | (sort articles '<) | |
178 | (nnfolder-existing-articles))) | |
179 | (while (setq article (pop articles)) | |
180 | (set-buffer nnfolder-current-buffer) | |
181 | (cond ((nnfolder-goto-article article) | |
182 | (setq start (point)) | |
183 | (setq stop (if (search-forward "\n\n" nil t) | |
184 | (1- (point)) | |
185 | (point-max))) | |
186 | (set-buffer nntp-server-buffer) | |
187 | (insert (format "221 %d Article retrieved.\n" article)) | |
188 | (insert-buffer-substring nnfolder-current-buffer | |
189 | start stop) | |
190 | (goto-char (point-max)) | |
191 | (insert ".\n")) | |
192 | ||
193 | ;; If we couldn't find this article, skip over ranges | |
194 | ;; of missing articles so we don't search the whole file | |
195 | ;; for each of them. | |
196 | ((numberp article) | |
197 | (setq start (point)) | |
198 | (and | |
199 | ;; Check that we are either at BOF or after an | |
200 | ;; article with a lower number. We do this so we | |
201 | ;; won't be confused by out-of-order article numbers, | |
202 | ;; as caused by active file bogosity. | |
203 | (cond | |
204 | ((bobp)) | |
205 | ((search-backward (concat "\n" nnfolder-article-marker) | |
206 | nil t) | |
207 | (goto-char (match-end 0)) | |
e9bd5782 | 208 | (setq num (string-to-number |
23f87bed | 209 | (buffer-substring |
01c52d31 | 210 | (point) (point-at-eol)))) |
23f87bed MB |
211 | (goto-char start) |
212 | (< num article))) | |
213 | ;; Check that we are before an article with a | |
214 | ;; higher number. | |
215 | (search-forward (concat "\n" nnfolder-article-marker) | |
216 | nil t) | |
217 | (progn | |
e9bd5782 | 218 | (setq num (string-to-number |
23f87bed | 219 | (buffer-substring |
01c52d31 | 220 | (point) (point-at-eol)))) |
23f87bed MB |
221 | (> num article)) |
222 | ;; Discard any article numbers before the one we're | |
223 | ;; now looking at. | |
224 | (while (and articles | |
225 | (< (car articles) num)) | |
226 | (setq articles (cdr articles)))) | |
227 | (goto-char start)))) | |
228 | (set-buffer nntp-server-buffer) | |
229 | (nnheader-fold-continuation-lines) | |
230 | 'headers)))))) | |
eec82323 LMI |
231 | |
232 | (deffoo nnfolder-open-server (server &optional defs) | |
233 | (nnoo-change-server 'nnfolder server defs) | |
234 | (nnmail-activate 'nnfolder t) | |
235 | (gnus-make-directory nnfolder-directory) | |
23f87bed MB |
236 | (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) |
237 | (and nnfolder-nov-directory | |
238 | (gnus-make-directory nnfolder-nov-directory))) | |
239 | (unless nnfolder-marks-is-evil | |
240 | (and nnfolder-marks-directory | |
241 | (gnus-make-directory nnfolder-marks-directory))) | |
eec82323 LMI |
242 | (cond |
243 | ((not (file-exists-p nnfolder-directory)) | |
244 | (nnfolder-close-server) | |
245 | (nnheader-report 'nnfolder "Couldn't create directory: %s" | |
246 | nnfolder-directory)) | |
247 | ((not (file-directory-p (file-truename nnfolder-directory))) | |
248 | (nnfolder-close-server) | |
249 | (nnheader-report 'nnfolder "Not a directory: %s" nnfolder-directory)) | |
250 | (t | |
251 | (nnmail-activate 'nnfolder) | |
252 | (nnheader-report 'nnfolder "Opened server %s using directory %s" | |
253 | server nnfolder-directory) | |
254 | t))) | |
255 | ||
256 | (deffoo nnfolder-request-close () | |
257 | (let ((alist nnfolder-buffer-alist)) | |
258 | (while alist | |
259 | (nnfolder-close-group (caar alist) nil t) | |
260 | (setq alist (cdr alist)))) | |
261 | (nnoo-close-server 'nnfolder) | |
262 | (setq nnfolder-buffer-alist nil | |
263 | nnfolder-group-alist nil)) | |
264 | ||
265 | (deffoo nnfolder-request-article (article &optional group server buffer) | |
266 | (nnfolder-possibly-change-group group server) | |
267 | (save-excursion | |
268 | (set-buffer nnfolder-current-buffer) | |
269 | (goto-char (point-min)) | |
6748645f | 270 | (when (nnfolder-goto-article article) |
eec82323 | 271 | (let (start stop) |
eec82323 LMI |
272 | (setq start (point)) |
273 | (forward-line 1) | |
274 | (unless (and (nnmail-search-unix-mail-delim) | |
275 | (forward-line -1)) | |
276 | (goto-char (point-max))) | |
277 | (setq stop (point)) | |
278 | (let ((nntp-server-buffer (or buffer nntp-server-buffer))) | |
279 | (set-buffer nntp-server-buffer) | |
280 | (erase-buffer) | |
281 | (insert-buffer-substring nnfolder-current-buffer start stop) | |
282 | (goto-char (point-min)) | |
283 | (while (looking-at "From ") | |
284 | (delete-char 5) | |
285 | (insert "X-From-Line: ") | |
286 | (forward-line 1)) | |
287 | (if (numberp article) | |
288 | (cons nnfolder-current-group article) | |
289 | (goto-char (point-min)) | |
eec82323 | 290 | (cons nnfolder-current-group |
a1506d29 | 291 | (if (search-forward (concat "\n" nnfolder-article-marker) |
16409b0b | 292 | nil t) |
e9bd5782 | 293 | (string-to-number (buffer-substring |
01c52d31 | 294 | (point) (point-at-eol))) |
16409b0b | 295 | -1)))))))) |
eec82323 LMI |
296 | |
297 | (deffoo nnfolder-request-group (group &optional server dont-check) | |
298 | (nnfolder-possibly-change-group group server t) | |
299 | (save-excursion | |
01c52d31 MB |
300 | (cond ((not (assoc group nnfolder-group-alist)) |
301 | (nnheader-report 'nnfolder "No such group: %s" group)) | |
302 | ((file-directory-p (nnfolder-group-pathname group)) | |
303 | (nnheader-report 'nnfolder "%s is a directory" | |
304 | (file-name-as-directory | |
305 | (let ((nnmail-pathname-coding-system nil)) | |
306 | (nnfolder-group-pathname group))))) | |
307 | (dont-check | |
308 | (nnheader-report 'nnfolder "Selected group %s" group) | |
309 | t) | |
310 | (t | |
311 | (let* ((active (assoc group nnfolder-group-alist)) | |
312 | (group (car active)) | |
313 | (range (cadr active))) | |
314 | (cond | |
315 | ((null active) | |
316 | (nnheader-report 'nnfolder "No such group: %s" group)) | |
317 | ((null nnfolder-current-group) | |
318 | (nnheader-report 'nnfolder "Empty group: %s" group)) | |
319 | (t | |
320 | (nnheader-report 'nnfolder "Selected group %s" group) | |
321 | (nnheader-insert "211 %d %d %d %s\n" | |
322 | (1+ (- (cdr range) (car range))) | |
323 | (car range) (cdr range) group)))))))) | |
eec82323 LMI |
324 | |
325 | (deffoo nnfolder-request-scan (&optional group server) | |
326 | (nnfolder-possibly-change-group nil server) | |
327 | (when nnfolder-get-new-mail | |
328 | (nnfolder-possibly-change-group group server) | |
329 | (nnmail-get-new-mail | |
330 | 'nnfolder | |
331 | (lambda () | |
332 | (let ((bufs nnfolder-buffer-alist)) | |
333 | (save-excursion | |
334 | (while bufs | |
335 | (if (not (gnus-buffer-live-p (nth 1 (car bufs)))) | |
336 | (setq nnfolder-buffer-alist | |
337 | (delq (car bufs) nnfolder-buffer-alist)) | |
338 | (set-buffer (nth 1 (car bufs))) | |
339 | (nnfolder-save-buffer) | |
340 | (kill-buffer (current-buffer))) | |
341 | (setq bufs (cdr bufs)))))) | |
342 | nnfolder-directory | |
343 | group))) | |
344 | ||
345 | ;; Don't close the buffer if we're not shutting down the server. This way, | |
346 | ;; we can keep the buffer in the group buffer cache, and not have to grovel | |
347 | ;; over the buffer again unless we add new mail to it or modify it in some | |
348 | ;; way. | |
349 | ||
350 | (deffoo nnfolder-close-group (group &optional server force) | |
351 | ;; Make sure we _had_ the group open. | |
352 | (when (or (assoc group nnfolder-buffer-alist) | |
353 | (equal group nnfolder-current-group)) | |
354 | (let ((inf (assoc group nnfolder-buffer-alist))) | |
355 | (when inf | |
356 | (when (and nnfolder-current-group | |
357 | nnfolder-current-buffer) | |
358 | (push (list nnfolder-current-group nnfolder-current-buffer) | |
359 | nnfolder-buffer-alist)) | |
360 | (setq nnfolder-buffer-alist | |
361 | (delq inf nnfolder-buffer-alist)) | |
362 | (setq nnfolder-current-buffer (cadr inf) | |
363 | nnfolder-current-group (car inf)))) | |
364 | (when (and nnfolder-current-buffer | |
365 | (buffer-name nnfolder-current-buffer)) | |
366 | (save-excursion | |
367 | (set-buffer nnfolder-current-buffer) | |
368 | ;; If the buffer was modified, write the file out now. | |
369 | (nnfolder-save-buffer) | |
370 | ;; If we're shutting the server down, we need to kill the | |
371 | ;; buffer and remove it from the open buffer list. Or, of | |
372 | ;; course, if we're trying to minimize our space impact. | |
373 | (kill-buffer (current-buffer)) | |
374 | (setq nnfolder-buffer-alist (delq (assoc group nnfolder-buffer-alist) | |
375 | nnfolder-buffer-alist))))) | |
376 | (setq nnfolder-current-group nil | |
377 | nnfolder-current-buffer nil) | |
378 | t) | |
379 | ||
380 | (deffoo nnfolder-request-create-group (group &optional server args) | |
381 | (nnfolder-possibly-change-group nil server) | |
382 | (nnmail-activate 'nnfolder) | |
01c52d31 MB |
383 | (cond ((zerop (length group)) |
384 | (nnheader-report 'nnfolder "Invalid (empty) group name")) | |
385 | ((file-directory-p (nnfolder-group-pathname group)) | |
386 | (nnheader-report 'nnfolder "%s is a directory" | |
387 | (file-name-as-directory | |
388 | (let ((nnmail-pathname-coding-system nil)) | |
389 | (nnfolder-group-pathname group))))) | |
390 | ((assoc group nnfolder-group-alist) | |
391 | t) | |
392 | (t | |
393 | (push (list group (cons 1 0)) nnfolder-group-alist) | |
394 | (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) | |
395 | (save-current-buffer | |
396 | (nnfolder-read-folder group)) | |
397 | t))) | |
eec82323 LMI |
398 | |
399 | (deffoo nnfolder-request-list (&optional server) | |
400 | (nnfolder-possibly-change-group nil server) | |
401 | (save-excursion | |
16409b0b | 402 | (let ((nnmail-file-coding-system nnfolder-active-file-coding-system)) |
58724016 KH |
403 | (nnmail-find-file nnfolder-active-file) |
404 | (setq nnfolder-group-alist (nnmail-get-active))) | |
eec82323 LMI |
405 | t)) |
406 | ||
407 | (deffoo nnfolder-request-newgroups (date &optional server) | |
408 | (nnfolder-possibly-change-group nil server) | |
409 | (nnfolder-request-list server)) | |
410 | ||
411 | (deffoo nnfolder-request-list-newsgroups (&optional server) | |
412 | (nnfolder-possibly-change-group nil server) | |
413 | (save-excursion | |
16409b0b GM |
414 | (let ((nnmail-file-coding-system nnfolder-file-coding-system)) |
415 | (nnmail-find-file nnfolder-newsgroups-file)))) | |
416 | ||
417 | ;; Return a list consisting of all article numbers existing in the | |
418 | ;; current folder. | |
419 | ||
420 | (defun nnfolder-existing-articles () | |
421 | (save-excursion | |
422 | (when nnfolder-current-buffer | |
423 | (set-buffer nnfolder-current-buffer) | |
424 | (goto-char (point-min)) | |
425 | (let ((marker (concat "\n" nnfolder-article-marker)) | |
426 | (number "[0-9]+") | |
427 | numbers) | |
16409b0b GM |
428 | (while (and (search-forward marker nil t) |
429 | (re-search-forward number nil t)) | |
430 | (let ((newnum (string-to-number (match-string 0)))) | |
431 | (if (nnmail-within-headers-p) | |
432 | (push newnum numbers)))) | |
23f87bed MB |
433 | ;; The article numbers are increasing, so this result is sorted. |
434 | (nreverse numbers))))) | |
eec82323 | 435 | |
75327e94 GM |
436 | (autoload 'gnus-request-group "gnus-int") |
437 | (declare-function gnus-request-create-group "gnus-int" | |
438 | (group &optional gnus-command-method args)) | |
439 | ||
01c52d31 MB |
440 | (deffoo nnfolder-request-expire-articles (articles newsgroup |
441 | &optional server force) | |
eec82323 | 442 | (nnfolder-possibly-change-group newsgroup server) |
01c52d31 MB |
443 | (let ((is-old t) |
444 | ;; The articles we have deleted so far. | |
445 | (deleted-articles nil) | |
446 | ;; The articles that really exist and will | |
447 | ;; be expired if they are old enough. | |
448 | (maybe-expirable | |
449 | (gnus-sorted-intersection articles (nnfolder-existing-articles))) | |
450 | target) | |
eec82323 LMI |
451 | (nnmail-activate 'nnfolder) |
452 | ||
453 | (save-excursion | |
454 | (set-buffer nnfolder-current-buffer) | |
16409b0b GM |
455 | ;; Since messages are sorted in arrival order and expired in the |
456 | ;; same order, we can stop as soon as we find a message that is | |
457 | ;; too old. | |
458 | (while (and maybe-expirable is-old) | |
eec82323 | 459 | (goto-char (point-min)) |
16409b0b GM |
460 | (when (and (nnfolder-goto-article (car maybe-expirable)) |
461 | (search-forward (concat "\n" nnfolder-article-marker) | |
462 | nil t)) | |
463 | (forward-sexp) | |
464 | (when (setq is-old | |
465 | (nnmail-expired-article-p | |
466 | newsgroup | |
467 | (buffer-substring | |
468 | (point) (progn (end-of-line) (point))) | |
469 | force nnfolder-inhibit-expiry)) | |
01c52d31 MB |
470 | (setq target nnmail-expiry-target) |
471 | (unless (eq target 'delete) | |
0d972486 | 472 | (with-temp-buffer |
a1506d29 | 473 | (nnfolder-request-article (car maybe-expirable) |
0d972486 | 474 | newsgroup server (current-buffer)) |
23f87bed | 475 | (let ((nnfolder-current-directory nil)) |
01c52d31 MB |
476 | (when (functionp target) |
477 | (setq target (funcall target newsgroup))) | |
478 | (if (and target | |
479 | (or (gnus-request-group target) | |
480 | (gnus-request-create-group target))) | |
481 | (nnmail-expiry-target-group target newsgroup) | |
482 | (setq target nil)))) | |
23f87bed | 483 | (nnfolder-possibly-change-group newsgroup server)) |
01c52d31 MB |
484 | (when target |
485 | (nnheader-message 5 "Deleting article %d in %s..." | |
486 | (car maybe-expirable) newsgroup) | |
487 | (nnfolder-delete-mail) | |
488 | (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) | |
489 | (nnfolder-nov-delete-article newsgroup (car maybe-expirable))) | |
490 | ;; Must remember which articles were actually deleted | |
491 | (push (car maybe-expirable) deleted-articles)))) | |
16409b0b | 492 | (setq maybe-expirable (cdr maybe-expirable))) |
eec82323 LMI |
493 | (unless nnfolder-inhibit-expiry |
494 | (nnheader-message 5 "Deleting articles...done")) | |
495 | (nnfolder-save-buffer) | |
496 | (nnfolder-adjust-min-active newsgroup) | |
16409b0b | 497 | (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) |
23f87bed | 498 | (gnus-sorted-difference articles (nreverse deleted-articles))))) |
eec82323 | 499 | |
01c52d31 MB |
500 | (deffoo nnfolder-request-move-article (article group server accept-form |
501 | &optional last move-is-internal) | |
6748645f LMI |
502 | (save-excursion |
503 | (let ((buf (get-buffer-create " *nnfolder move*")) | |
504 | result) | |
505 | (and | |
506 | (nnfolder-request-article article group server) | |
507 | (save-excursion | |
508 | (set-buffer buf) | |
6748645f LMI |
509 | (erase-buffer) |
510 | (insert-buffer-substring nntp-server-buffer) | |
511 | (goto-char (point-min)) | |
512 | (while (re-search-forward | |
513 | (concat "^" nnfolder-article-marker) | |
a1506d29 | 514 | (save-excursion (and (search-forward "\n\n" nil t) (point))) |
16409b0b | 515 | t) |
23f87bed | 516 | (gnus-delete-line)) |
6748645f LMI |
517 | (setq result (eval accept-form)) |
518 | (kill-buffer buf) | |
519 | result) | |
520 | (save-excursion | |
521 | (nnfolder-possibly-change-group group server) | |
522 | (set-buffer nnfolder-current-buffer) | |
523 | (goto-char (point-min)) | |
524 | (when (nnfolder-goto-article article) | |
525 | (nnfolder-delete-mail)) | |
23f87bed MB |
526 | (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) |
527 | (nnfolder-nov-delete-article group article)) | |
6748645f LMI |
528 | (when last |
529 | (nnfolder-save-buffer) | |
530 | (nnfolder-adjust-min-active group) | |
16409b0b | 531 | (nnfolder-save-active nnfolder-group-alist nnfolder-active-file)))) |
6748645f | 532 | result))) |
eec82323 LMI |
533 | |
534 | (deffoo nnfolder-request-accept-article (group &optional server last) | |
6748645f LMI |
535 | (save-excursion |
536 | (nnfolder-possibly-change-group group server) | |
537 | (nnmail-check-syntax) | |
538 | (let ((buf (current-buffer)) | |
539 | result art-group) | |
540 | (goto-char (point-min)) | |
541 | (when (looking-at "X-From-Line: ") | |
f9936da6 SZ |
542 | (replace-match "From ") |
543 | (while (progn (forward-line) (looking-at "[ \t]")) | |
544 | (delete-char -1))) | |
23f87bed MB |
545 | (with-temp-buffer |
546 | (let ((nnmail-file-coding-system nnfolder-active-file-coding-system) | |
547 | (nntp-server-buffer (current-buffer))) | |
548 | (nnmail-find-file nnfolder-active-file) | |
549 | (setq nnfolder-group-alist (nnmail-parse-active)))) | |
550 | (save-excursion | |
551 | (goto-char (point-min)) | |
552 | (if (search-forward "\n\n" nil t) | |
553 | (forward-line -1) | |
554 | (goto-char (point-max))) | |
555 | (while (re-search-backward (concat "^" nnfolder-article-marker) nil t) | |
556 | (delete-region (point) (progn (forward-line 1) (point)))) | |
557 | (when nnmail-cache-accepted-message-ids | |
558 | (nnmail-cache-insert (nnmail-fetch-field "message-id") | |
559 | group | |
560 | (nnmail-fetch-field "subject") | |
561 | (nnmail-fetch-field "from"))) | |
562 | (setq result (if (stringp group) | |
563 | (list (cons group (nnfolder-active-number group))) | |
564 | (setq art-group | |
565 | (nnmail-article-group 'nnfolder-active-number)))) | |
566 | (if (and (null result) | |
567 | (yes-or-no-p "Moved to `junk' group; delete article? ")) | |
568 | (setq result 'junk) | |
569 | (setq result | |
570 | (car (nnfolder-save-mail result))))) | |
571 | (when last | |
572 | (save-excursion | |
573 | (nnfolder-possibly-change-folder (or (caar art-group) group)) | |
574 | (nnfolder-save-buffer) | |
575 | (when nnmail-cache-accepted-message-ids | |
576 | (nnmail-cache-close)))) | |
16409b0b | 577 | (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) |
6748645f LMI |
578 | (unless result |
579 | (nnheader-report 'nnfolder "Couldn't store article")) | |
580 | result))) | |
eec82323 LMI |
581 | |
582 | (deffoo nnfolder-request-replace-article (article group buffer) | |
583 | (nnfolder-possibly-change-group group) | |
584 | (save-excursion | |
6748645f LMI |
585 | (set-buffer buffer) |
586 | (goto-char (point-min)) | |
23f87bed MB |
587 | (if (not (looking-at "X-From-Line: ")) |
588 | (insert "From nobody " (current-time-string) "\n") | |
589 | (replace-match "From ") | |
590 | (forward-line 1) | |
591 | (while (looking-at "[ \t]") | |
592 | (delete-char -1) | |
593 | (forward-line 1))) | |
6748645f | 594 | (nnfolder-normalize-buffer) |
eec82323 LMI |
595 | (set-buffer nnfolder-current-buffer) |
596 | (goto-char (point-min)) | |
6748645f | 597 | (if (not (nnfolder-goto-article article)) |
eec82323 | 598 | nil |
6748645f | 599 | (nnfolder-delete-mail) |
eec82323 | 600 | (insert-buffer-substring buffer) |
23f87bed MB |
601 | (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) |
602 | (save-excursion | |
603 | (set-buffer buffer) | |
604 | (let ((headers (nnfolder-parse-head article | |
605 | (point-min) (point-max)))) | |
606 | (with-current-buffer (nnfolder-open-nov group) | |
607 | (if (nnheader-find-nov-line article) | |
608 | (delete-region (point) (progn (forward-line 1) (point)))) | |
609 | (nnheader-insert-nov headers))))) | |
eec82323 LMI |
610 | (nnfolder-save-buffer) |
611 | t))) | |
612 | ||
613 | (deffoo nnfolder-request-delete-group (group &optional force server) | |
614 | (nnfolder-close-group group server t) | |
615 | ;; Delete all articles in GROUP. | |
616 | (if (not force) | |
617 | () ; Don't delete the articles. | |
618 | ;; Delete the file that holds the group. | |
23f87bed MB |
619 | (let ((data (nnfolder-group-pathname group)) |
620 | (nov (nnfolder-group-nov-pathname group)) | |
621 | (mrk (nnfolder-group-marks-pathname group))) | |
622 | (ignore-errors (delete-file data)) | |
623 | (ignore-errors (delete-file nov)) | |
624 | (ignore-errors (delete-file mrk)))) | |
eec82323 LMI |
625 | ;; Remove the group from all structures. |
626 | (setq nnfolder-group-alist | |
627 | (delq (assoc group nnfolder-group-alist) nnfolder-group-alist) | |
628 | nnfolder-current-group nil | |
629 | nnfolder-current-buffer nil) | |
630 | ;; Save the active file. | |
16409b0b | 631 | (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) |
eec82323 LMI |
632 | t) |
633 | ||
634 | (deffoo nnfolder-request-rename-group (group new-name &optional server) | |
635 | (nnfolder-possibly-change-group group server) | |
636 | (save-excursion | |
637 | (set-buffer nnfolder-current-buffer) | |
638 | (and (file-writable-p buffer-file-name) | |
639 | (ignore-errors | |
23f87bed MB |
640 | (let ((new-file (nnfolder-group-pathname new-name))) |
641 | (gnus-make-directory (file-name-directory new-file)) | |
642 | (rename-file buffer-file-name new-file) | |
643 | (when (file-exists-p (nnfolder-group-nov-pathname group)) | |
644 | (setq new-file (nnfolder-group-nov-pathname new-name)) | |
645 | (gnus-make-directory (file-name-directory new-file)) | |
646 | (rename-file (nnfolder-group-nov-pathname group) new-file)) | |
647 | (when (file-exists-p (nnfolder-group-marks-pathname group)) | |
648 | (setq new-file (nnfolder-group-marks-pathname new-name)) | |
649 | (gnus-make-directory (file-name-directory new-file)) | |
650 | (rename-file (nnfolder-group-marks-pathname group) new-file))) | |
eec82323 LMI |
651 | t) |
652 | ;; That went ok, so we change the internal structures. | |
653 | (let ((entry (assoc group nnfolder-group-alist))) | |
654 | (and entry (setcar entry new-name)) | |
655 | (setq nnfolder-current-buffer nil | |
656 | nnfolder-current-group nil) | |
657 | ;; Save the new group alist. | |
16409b0b | 658 | (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) |
eec82323 LMI |
659 | ;; We kill the buffer instead of renaming it and stuff. |
660 | (kill-buffer (current-buffer)) | |
661 | t)))) | |
662 | ||
23f87bed | 663 | (deffoo nnfolder-request-regenerate (server) |
a8151ef7 LMI |
664 | (nnfolder-possibly-change-group nil server) |
665 | (nnfolder-generate-active-file) | |
666 | t) | |
667 | ||
eec82323 LMI |
668 | \f |
669 | ;;; Internal functions. | |
670 | ||
671 | (defun nnfolder-adjust-min-active (group) | |
672 | ;; Find the lowest active article in this group. | |
673 | (let* ((active (cadr (assoc group nnfolder-group-alist))) | |
674 | (marker (concat "\n" nnfolder-article-marker)) | |
675 | (number "[0-9]+") | |
676 | (activemin (cdr active))) | |
677 | (save-excursion | |
678 | (set-buffer nnfolder-current-buffer) | |
679 | (goto-char (point-min)) | |
680 | (while (and (search-forward marker nil t) | |
681 | (re-search-forward number nil t)) | |
6748645f LMI |
682 | (let ((newnum (string-to-number (match-string 0)))) |
683 | (if (nnmail-within-headers-p) | |
684 | (setq activemin (min activemin newnum))))) | |
eec82323 LMI |
685 | (setcar active activemin)))) |
686 | ||
687 | (defun nnfolder-article-string (article) | |
688 | (if (numberp article) | |
689 | (concat "\n" nnfolder-article-marker (int-to-string article) " ") | |
690 | (concat "\nMessage-ID: " article))) | |
691 | ||
6748645f LMI |
692 | (defun nnfolder-goto-article (article) |
693 | "Place point at the start of the headers of ARTICLE. | |
694 | ARTICLE can be an article number or a Message-ID. | |
695 | Returns t if successful, nil otherwise." | |
696 | (let ((art-string (nnfolder-article-string article)) | |
697 | start found) | |
698 | ;; It is likely that we are at or before the delimiter line. | |
699 | ;; We therefore go to the end of the previous line, and start | |
700 | ;; searching from there. | |
701 | (beginning-of-line) | |
702 | (unless (bobp) | |
703 | (forward-char -1)) | |
704 | (setq start (point)) | |
705 | ;; First search forward. | |
706 | (while (and (setq found (search-forward art-string nil t)) | |
707 | (not (nnmail-within-headers-p)))) | |
708 | ;; If unsuccessful, search backward from where we started, | |
709 | (unless found | |
710 | (goto-char start) | |
711 | (while (and (setq found (search-backward art-string nil t)) | |
712 | (not (nnmail-within-headers-p))))) | |
713 | (when found | |
714 | (nnmail-search-unix-mail-delim-backward)))) | |
715 | ||
716 | (defun nnfolder-delete-mail (&optional leave-delim) | |
717 | "Delete the message that point is in. | |
718 | If optional argument LEAVE-DELIM is t, then mailbox delimiter is not | |
719 | deleted. Point is left where the deleted region was." | |
16409b0b GM |
720 | (save-restriction |
721 | (narrow-to-region | |
722 | (save-excursion | |
723 | ;; In case point is at the beginning of the message already. | |
724 | (forward-line 1) | |
725 | (nnmail-search-unix-mail-delim-backward) | |
726 | (if leave-delim (progn (forward-line 1) (point)) | |
727 | (point))) | |
728 | (progn | |
729 | (forward-line 1) | |
730 | (if (nnmail-search-unix-mail-delim) | |
731 | (point) | |
732 | (point-max)))) | |
733 | (run-hooks 'nnfolder-delete-mail-hook) | |
734 | (delete-region (point-min) (point-max)))) | |
eec82323 LMI |
735 | |
736 | (defun nnfolder-possibly-change-group (group &optional server dont-check) | |
737 | ;; Change servers. | |
738 | (when (and server | |
739 | (not (nnfolder-server-opened server))) | |
740 | (nnfolder-open-server server)) | |
741 | (unless (gnus-buffer-live-p nnfolder-current-buffer) | |
742 | (setq nnfolder-current-buffer nil | |
743 | nnfolder-current-group nil)) | |
744 | ;; Change group. | |
23f87bed MB |
745 | (let ((file-name-coding-system nnmail-pathname-coding-system)) |
746 | (when (and group | |
747 | (not (equal group nnfolder-current-group)) | |
748 | (progn | |
749 | (nnmail-activate 'nnfolder) | |
750 | (and (assoc group nnfolder-group-alist) | |
751 | (file-exists-p (nnfolder-group-pathname group))))) | |
58724016 | 752 | (if dont-check |
a8151ef7 LMI |
753 | (setq nnfolder-current-group group |
754 | nnfolder-current-buffer nil) | |
58724016 | 755 | (let (inf file) |
23f87bed MB |
756 | ;; If we have to change groups, see if we don't already have |
757 | ;; the folder in memory. If we do, verify the modtime and | |
758 | ;; destroy the folder if needed so we can rescan it. | |
a8151ef7 LMI |
759 | (setq nnfolder-current-buffer |
760 | (nth 1 (assoc group nnfolder-buffer-alist))) | |
761 | ||
23f87bed MB |
762 | ;; If the buffer is not live, make sure it isn't in the |
763 | ;; alist. If it is live, verify that nobody else has | |
764 | ;; touched the file since last time. | |
58724016 KH |
765 | (when (and nnfolder-current-buffer |
766 | (not (gnus-buffer-live-p nnfolder-current-buffer))) | |
767 | (setq nnfolder-buffer-alist (delq inf nnfolder-buffer-alist) | |
768 | nnfolder-current-buffer nil)) | |
a8151ef7 | 769 | |
58724016 | 770 | (setq nnfolder-current-group group) |
a8151ef7 | 771 | |
58724016 | 772 | (when (or (not nnfolder-current-buffer) |
6748645f LMI |
773 | (not (verify-visited-file-modtime |
774 | nnfolder-current-buffer))) | |
58724016 KH |
775 | (save-excursion |
776 | (setq file (nnfolder-group-pathname group)) | |
777 | ;; See whether we need to create the new file. | |
778 | (unless (file-exists-p file) | |
779 | (gnus-make-directory (file-name-directory file)) | |
a1506d29 | 780 | (let ((nnmail-file-coding-system |
16409b0b GM |
781 | (or nnfolder-file-coding-system-for-write |
782 | nnfolder-file-coding-system-for-write))) | |
be1ad767 SM |
783 | (nnmail-write-region (point-min) (point-min) |
784 | file t 'nomesg))) | |
58724016 KH |
785 | (when (setq nnfolder-current-buffer (nnfolder-read-folder group)) |
786 | (set-buffer nnfolder-current-buffer) | |
787 | (push (list group nnfolder-current-buffer) | |
788 | nnfolder-buffer-alist))))))))) | |
eec82323 LMI |
789 | |
790 | (defun nnfolder-save-mail (group-art-list) | |
791 | "Called narrowed to an article." | |
792 | (let* (save-list group-art) | |
793 | (goto-char (point-min)) | |
794 | ;; The From line may have been quoted by movemail. | |
16409b0b | 795 | (when (looking-at ">From") |
eec82323 LMI |
796 | (delete-char 1)) |
797 | ;; This might come from somewhere else. | |
16409b0b | 798 | (unless (looking-at "From ") |
eec82323 LMI |
799 | (insert "From nobody " (current-time-string) "\n") |
800 | (goto-char (point-min))) | |
6748645f | 801 | ;; Quote all "From " lines in the article. |
16409b0b | 802 | (forward-line 1) |
eec82323 LMI |
803 | (let (case-fold-search) |
804 | (while (re-search-forward "^From " nil t) | |
805 | (beginning-of-line) | |
806 | (insert "> "))) | |
807 | (setq save-list group-art-list) | |
808 | (nnmail-insert-lines) | |
809 | (nnmail-insert-xref group-art-list) | |
810 | (run-hooks 'nnmail-prepare-save-mail-hook) | |
811 | (run-hooks 'nnfolder-prepare-save-mail-hook) | |
812 | ||
813 | ;; Insert the mail into each of the destination groups. | |
814 | (while (setq group-art (pop group-art-list)) | |
815 | ;; Kill any previous newsgroup markers. | |
816 | (goto-char (point-min)) | |
16409b0b GM |
817 | (if (search-forward "\n\n" nil t) |
818 | (forward-line -1) | |
819 | (goto-char (point-max))) | |
eec82323 LMI |
820 | (while (search-backward (concat "\n" nnfolder-article-marker) nil t) |
821 | (delete-region (1+ (point)) (progn (forward-line 2) (point)))) | |
822 | ||
823 | ;; Insert the new newsgroup marker. | |
824 | (nnfolder-insert-newsgroup-line group-art) | |
825 | ||
826 | (save-excursion | |
827 | (let ((beg (point-min)) | |
828 | (end (point-max)) | |
829 | (obuf (current-buffer))) | |
830 | (nnfolder-possibly-change-folder (car group-art)) | |
831 | (let ((buffer-read-only nil)) | |
6748645f | 832 | (nnfolder-normalize-buffer) |
23f87bed MB |
833 | (insert-buffer-substring obuf beg end)) |
834 | (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) | |
835 | (set-buffer obuf) | |
836 | (nnfolder-add-nov (car group-art) (cdr group-art) | |
837 | (nnfolder-parse-head nil beg end)))))) | |
eec82323 LMI |
838 | |
839 | ;; Did we save it anywhere? | |
840 | save-list)) | |
841 | ||
6748645f LMI |
842 | (defun nnfolder-normalize-buffer () |
843 | "Make sure there are two newlines at the end of the buffer." | |
844 | (goto-char (point-max)) | |
845 | (skip-chars-backward "\n") | |
846 | (delete-region (point) (point-max)) | |
23f87bed MB |
847 | (unless (bobp) |
848 | (insert "\n\n"))) | |
6748645f | 849 | |
eec82323 LMI |
850 | (defun nnfolder-insert-newsgroup-line (group-art) |
851 | (save-excursion | |
852 | (goto-char (point-min)) | |
16409b0b GM |
853 | (unless (search-forward "\n\n" nil t) |
854 | (goto-char (point-max)) | |
855 | (insert "\n")) | |
856 | (forward-char -1) | |
857 | (insert (format (concat nnfolder-article-marker "%d %s\n") | |
34128042 | 858 | (cdr group-art) (message-make-date))))) |
eec82323 LMI |
859 | |
860 | (defun nnfolder-active-number (group) | |
861 | ;; Find the next article number in GROUP. | |
862 | (let ((active (cadr (assoc group nnfolder-group-alist)))) | |
863 | (if active | |
864 | (setcdr active (1+ (cdr active))) | |
865 | ;; This group is new, so we create a new entry for it. | |
866 | ;; This might be a bit naughty... creating groups on the drop of | |
867 | ;; a hat, but I don't know... | |
868 | (push (list group (setq active (cons 1 1))) | |
869 | nnfolder-group-alist)) | |
870 | (cdr active))) | |
871 | ||
872 | (defun nnfolder-possibly-change-folder (group) | |
873 | (let ((inf (assoc group nnfolder-buffer-alist))) | |
874 | (if (and inf | |
875 | (gnus-buffer-live-p (cadr inf))) | |
876 | (set-buffer (cadr inf)) | |
877 | (when inf | |
878 | (setq nnfolder-buffer-alist (delq inf nnfolder-buffer-alist))) | |
879 | (when nnfolder-group-alist | |
16409b0b | 880 | (nnfolder-save-active nnfolder-group-alist nnfolder-active-file)) |
eec82323 LMI |
881 | (push (list group (nnfolder-read-folder group)) |
882 | nnfolder-buffer-alist)))) | |
883 | ||
23f87bed MB |
884 | ;; This method has a problem if you've accidentally let the active |
885 | ;; list get out of sync with the files. This could happen, say, if | |
886 | ;; you've accidentally gotten new mail with something other than Gnus | |
887 | ;; (but why would _that_ ever happen? :-). In that case, we will be | |
888 | ;; in the middle of processing the file, ready to add new X-Gnus | |
889 | ;; article number markers, and we'll run across a message with no ID | |
890 | ;; yet - the active list _may_not_ be ready for us yet. | |
891 | ||
892 | ;; To handle this, I'm modifying this routine to maintain the maximum | |
893 | ;; ID seen so far, and when we hit a message with no ID, we will | |
894 | ;; _manually_ scan the rest of the message looking for any more, | |
895 | ;; possibly higher IDs. We'll assume the maximum that we find is the | |
896 | ;; highest active. Note that this shouldn't cost us much extra time | |
897 | ;; at all, but will be a lot less vulnerable to glitches between the | |
898 | ;; mbox and the active file. | |
eec82323 LMI |
899 | |
900 | (defun nnfolder-read-folder (group) | |
901 | (let* ((file (nnfolder-group-pathname group)) | |
23f87bed | 902 | (nov (nnfolder-group-nov-pathname group)) |
16409b0b | 903 | (buffer (set-buffer |
a1506d29 | 904 | (let ((nnheader-file-coding-system |
16409b0b | 905 | nnfolder-file-coding-system)) |
ff4d3926 | 906 | (nnheader-find-file-noselect file t))))) |
2c902422 | 907 | (mm-enable-multibyte) ;; Use multibyte buffer for future copying. |
d4755e04 | 908 | (buffer-disable-undo) |
eec82323 LMI |
909 | (if (equal (cadr (assoc group nnfolder-scantime-alist)) |
910 | (nth 5 (file-attributes file))) | |
911 | ;; This looks up-to-date, so we don't do any scanning. | |
6748645f LMI |
912 | (if (file-exists-p file) |
913 | buffer | |
914 | (push (list group buffer) nnfolder-buffer-alist) | |
915 | (set-buffer-modified-p t) | |
16409b0b | 916 | (nnfolder-save-buffer)) |
eec82323 LMI |
917 | ;; Parse the damn thing. |
918 | (save-excursion | |
16409b0b GM |
919 | (goto-char (point-min)) |
920 | ;; Remove any blank lines at the start. | |
921 | (while (eq (following-char) ?\n) | |
922 | (delete-char 1)) | |
eec82323 LMI |
923 | (nnmail-activate 'nnfolder) |
924 | ;; Read in the file. | |
16409b0b | 925 | (let ((delim "^From ") |
eec82323 LMI |
926 | (marker (concat "\n" nnfolder-article-marker)) |
927 | (number "[0-9]+") | |
928 | (active (or (cadr (assoc group nnfolder-group-alist)) | |
929 | (cons 1 0))) | |
930 | (scantime (assoc group nnfolder-scantime-alist)) | |
931 | (minid (lsh -1 -1)) | |
932 | maxid start end newscantime | |
23f87bed | 933 | novbuf articles newnum |
eec82323 | 934 | buffer-read-only) |
eec82323 | 935 | (setq maxid (cdr active)) |
23f87bed MB |
936 | |
937 | (unless (or gnus-nov-is-evil nnfolder-nov-is-evil | |
938 | (and (file-exists-p nov) | |
939 | (file-newer-than-file-p nov file))) | |
940 | (unless (file-exists-p nov) | |
941 | (gnus-make-directory (file-name-directory nov))) | |
942 | (with-current-buffer | |
943 | (setq novbuf (nnfolder-open-nov group)) | |
944 | (goto-char (point-min)) | |
945 | (while (not (eobp)) | |
946 | (push (read novbuf) articles) | |
947 | (forward-line 1)) | |
948 | (setq articles (nreverse articles)))) | |
eec82323 LMI |
949 | (goto-char (point-min)) |
950 | ||
23f87bed MB |
951 | ;; Anytime the active number is 1 or 0, it is suspect. In |
952 | ;; that case, search the file manually to find the active | |
953 | ;; number. Or, of course, if we're being paranoid. (This | |
954 | ;; would also be the place to build other lists from the | |
955 | ;; header markers, such as expunge lists, etc., if we ever | |
956 | ;; desired to abandon the active file entirely for mboxes.) | |
eec82323 | 957 | (when (or nnfolder-ignore-active-file |
23f87bed | 958 | novbuf |
eec82323 LMI |
959 | (< maxid 2)) |
960 | (while (and (search-forward marker nil t) | |
23f87bed MB |
961 | (looking-at number)) |
962 | (setq newnum (string-to-number (match-string 0))) | |
963 | (when (nnmail-within-headers-p) | |
964 | (setq maxid (max maxid newnum) | |
965 | minid (min minid newnum)) | |
966 | (when novbuf | |
967 | (if (memq newnum articles) | |
968 | (setq articles (delq newnum articles)) | |
969 | (let ((headers (nnfolder-parse-head newnum))) | |
970 | (with-current-buffer novbuf | |
971 | (nnheader-find-nov-line newnum) | |
972 | (nnheader-insert-nov headers))))))) | |
973 | (when (and novbuf articles) | |
974 | (with-current-buffer novbuf | |
975 | (dolist (article articles) | |
976 | (when (nnheader-find-nov-line article) | |
977 | (delete-region (point) | |
978 | (progn (forward-line 1) (point))))))) | |
eec82323 LMI |
979 | (setcar active (max 1 (min minid maxid))) |
980 | (setcdr active (max maxid (cdr active))) | |
981 | (goto-char (point-min))) | |
982 | ||
23f87bed MB |
983 | ;; As long as we trust that the user will only insert |
984 | ;; unmarked mail at the end, go to the end and search | |
985 | ;; backwards for the last marker. Find the start of that | |
986 | ;; message, and begin to search for unmarked messages from | |
987 | ;; there. | |
eec82323 LMI |
988 | (when (not (or nnfolder-distrust-mbox |
989 | (< maxid 2))) | |
990 | (goto-char (point-max)) | |
991 | (unless (re-search-backward marker nil t) | |
992 | (goto-char (point-min))) | |
23f87bed MB |
993 | ;;(when (nnmail-search-unix-mail-delim) |
994 | ;; (goto-char (point-min))) | |
995 | ) | |
eec82323 | 996 | |
23f87bed MB |
997 | ;; Keep track of the active number on our own, and insert it |
998 | ;; back into the active list when we're done. Also, prime | |
999 | ;; the pump to cut down on the number of searches we do. | |
eec82323 LMI |
1000 | (unless (nnmail-search-unix-mail-delim) |
1001 | (goto-char (point-max))) | |
1002 | (setq end (point-marker)) | |
1003 | (while (not (= end (point-max))) | |
1004 | (setq start (marker-position end)) | |
1005 | (goto-char end) | |
23f87bed | 1006 | ;; There may be more than one "From " line, so we skip past |
eec82323 LMI |
1007 | ;; them. |
1008 | (while (looking-at delim) | |
1009 | (forward-line 1)) | |
1010 | (set-marker end (if (nnmail-search-unix-mail-delim) | |
1011 | (point) | |
1012 | (point-max))) | |
1013 | (goto-char start) | |
1014 | (when (not (search-forward marker end t)) | |
1015 | (narrow-to-region start end) | |
1016 | (nnmail-insert-lines) | |
1017 | (nnfolder-insert-newsgroup-line | |
23f87bed MB |
1018 | (cons nil |
1019 | (setq newnum | |
1020 | (nnfolder-active-number group)))) | |
1021 | (when novbuf | |
1022 | (let ((headers (nnfolder-parse-head newnum (point-min) | |
1023 | (point-max)))) | |
1024 | (with-current-buffer novbuf | |
1025 | (goto-char (point-max)) | |
1026 | (nnheader-insert-nov headers)))) | |
eec82323 LMI |
1027 | (widen))) |
1028 | ||
1029 | (set-marker end nil) | |
23f87bed MB |
1030 | ;; Make absolutely sure that the active list reflects |
1031 | ;; reality! | |
16409b0b | 1032 | (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) |
23f87bed | 1033 | |
eec82323 LMI |
1034 | ;; Set the scantime for this group. |
1035 | (setq newscantime (visited-file-modtime)) | |
1036 | (if scantime | |
1037 | (setcdr scantime (list newscantime)) | |
23f87bed | 1038 | (push (list group newscantime) |
eec82323 | 1039 | nnfolder-scantime-alist)) |
23f87bed MB |
1040 | ;; Save nov. |
1041 | (when novbuf | |
1042 | (nnfolder-save-nov)) | |
eec82323 LMI |
1043 | (current-buffer)))))) |
1044 | ||
1045 | ;;;###autoload | |
1046 | (defun nnfolder-generate-active-file () | |
16409b0b GM |
1047 | "Look for mbox folders in the nnfolder directory and make them into groups. |
1048 | This command does not work if you use short group names." | |
eec82323 LMI |
1049 | (interactive) |
1050 | (nnmail-activate 'nnfolder) | |
23f87bed MB |
1051 | (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) |
1052 | (dolist (file (directory-files (or nnfolder-nov-directory | |
1053 | nnfolder-directory) | |
1054 | t | |
1055 | (concat | |
1056 | (regexp-quote nnfolder-nov-file-suffix) | |
1057 | "$"))) | |
1058 | (when (not (message-mail-file-mbox-p file)) | |
1059 | (ignore-errors | |
1060 | (delete-file file))))) | |
01c52d31 | 1061 | (dolist (file (directory-files nnfolder-directory)) |
eec82323 | 1062 | (when (and (not (backup-file-name-p file)) |
23f87bed | 1063 | (message-mail-file-mbox-p |
eec82323 | 1064 | (nnheader-concat nnfolder-directory file))) |
23f87bed MB |
1065 | (let ((oldgroup (assoc file nnfolder-group-alist))) |
1066 | (if oldgroup | |
1067 | (nnheader-message 5 "Refreshing group %s..." file) | |
1068 | (nnheader-message 5 "Adding group %s..." file)) | |
03378294 RS |
1069 | (if oldgroup |
1070 | (setq nnfolder-group-alist | |
1071 | (delq oldgroup (copy-sequence nnfolder-group-alist)))) | |
23f87bed MB |
1072 | (push (list file (cons 1 0)) nnfolder-group-alist) |
1073 | (nnfolder-possibly-change-folder file) | |
1074 | (nnfolder-possibly-change-group file) | |
1075 | (nnfolder-close-group file)))) | |
01c52d31 | 1076 | (nnheader-message 5 "")) |
eec82323 LMI |
1077 | |
1078 | (defun nnfolder-group-pathname (group) | |
35ef97a5 | 1079 | "Make file name for GROUP." |
16409b0b GM |
1080 | (setq group |
1081 | (mm-encode-coding-string group nnmail-pathname-coding-system)) | |
eec82323 LMI |
1082 | (let ((dir (file-name-as-directory (expand-file-name nnfolder-directory)))) |
1083 | ;; If this file exists, we use it directly. | |
1084 | (if (or nnmail-use-long-file-names | |
1085 | (file-exists-p (concat dir group))) | |
1086 | (concat dir group) | |
1087 | ;; If not, we translate dots into slashes. | |
1088 | (concat dir (nnheader-replace-chars-in-string group ?. ?/))))) | |
1089 | ||
23f87bed MB |
1090 | (defun nnfolder-group-nov-pathname (group) |
1091 | "Make pathname for GROUP NOV." | |
1092 | (let ((nnfolder-directory | |
1093 | (or nnfolder-nov-directory nnfolder-directory))) | |
1094 | (concat (nnfolder-group-pathname group) nnfolder-nov-file-suffix))) | |
1095 | ||
eec82323 LMI |
1096 | (defun nnfolder-save-buffer () |
1097 | "Save the buffer." | |
1098 | (when (buffer-modified-p) | |
1099 | (run-hooks 'nnfolder-save-buffer-hook) | |
a8151ef7 | 1100 | (gnus-make-directory (file-name-directory (buffer-file-name))) |
a1506d29 | 1101 | (let ((coding-system-for-write |
16409b0b | 1102 | (or nnfolder-file-coding-system-for-write |
01c52d31 MB |
1103 | nnfolder-file-coding-system)) |
1104 | (copyright-update nil)) | |
23f87bed MB |
1105 | (save-buffer))) |
1106 | (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) | |
1107 | (nnfolder-save-nov))) | |
16409b0b GM |
1108 | |
1109 | (defun nnfolder-save-active (group-alist active-file) | |
1110 | (let ((nnmail-active-file-coding-system | |
1111 | (or nnfolder-active-file-coding-system-for-write | |
1112 | nnfolder-active-file-coding-system))) | |
1113 | (nnmail-save-active group-alist active-file))) | |
eec82323 | 1114 | |
23f87bed MB |
1115 | (defun nnfolder-open-nov (group) |
1116 | (or (cdr (assoc group nnfolder-nov-buffer-alist)) | |
1117 | (let ((buffer (get-buffer-create (format " *nnfolder overview %s*" group)))) | |
1118 | (save-excursion | |
1119 | (set-buffer buffer) | |
1120 | (set (make-local-variable 'nnfolder-nov-buffer-file-name) | |
1121 | (nnfolder-group-nov-pathname group)) | |
1122 | (erase-buffer) | |
1123 | (when (file-exists-p nnfolder-nov-buffer-file-name) | |
1124 | (nnheader-insert-file-contents nnfolder-nov-buffer-file-name))) | |
1125 | (push (cons group buffer) nnfolder-nov-buffer-alist) | |
1126 | buffer))) | |
1127 | ||
1128 | (defun nnfolder-save-nov () | |
1129 | (save-excursion | |
1130 | (while nnfolder-nov-buffer-alist | |
1131 | (when (buffer-name (cdar nnfolder-nov-buffer-alist)) | |
1132 | (set-buffer (cdar nnfolder-nov-buffer-alist)) | |
1133 | (when (buffer-modified-p) | |
1134 | (gnus-make-directory (file-name-directory | |
1135 | nnfolder-nov-buffer-file-name)) | |
1136 | (nnmail-write-region 1 (point-max) nnfolder-nov-buffer-file-name | |
1137 | nil 'nomesg)) | |
1138 | (set-buffer-modified-p nil) | |
1139 | (kill-buffer (current-buffer))) | |
1140 | (setq nnfolder-nov-buffer-alist (cdr nnfolder-nov-buffer-alist))))) | |
1141 | ||
1142 | (defun nnfolder-nov-delete-article (group article) | |
1143 | (save-excursion | |
1144 | (set-buffer (nnfolder-open-nov group)) | |
1145 | (when (nnheader-find-nov-line article) | |
1146 | (delete-region (point) (progn (forward-line 1) (point)))) | |
1147 | t)) | |
1148 | ||
1149 | (defun nnfolder-retrieve-headers-with-nov (articles &optional fetch-old) | |
1150 | (if (or gnus-nov-is-evil nnfolder-nov-is-evil) | |
1151 | nil | |
1152 | (let ((nov (nnfolder-group-nov-pathname nnfolder-current-group))) | |
1153 | (when (file-exists-p nov) | |
1154 | (save-excursion | |
1155 | (set-buffer nntp-server-buffer) | |
1156 | (erase-buffer) | |
1157 | (nnheader-insert-file-contents nov) | |
1158 | (if (and fetch-old | |
1159 | (not (numberp fetch-old))) | |
1160 | t ; Don't remove anything. | |
1161 | (nnheader-nov-delete-outside-range | |
1162 | (if fetch-old (max 1 (- (car articles) fetch-old)) | |
1163 | (car articles)) | |
1164 | (car (last articles))) | |
1165 | t)))))) | |
1166 | ||
1167 | (defun nnfolder-parse-head (&optional number b e) | |
1168 | "Parse the head of the current buffer." | |
1169 | (let ((buf (current-buffer)) | |
1170 | chars) | |
1171 | (save-excursion | |
1172 | (unless b | |
1173 | (setq b (if (nnmail-search-unix-mail-delim-backward) | |
1174 | (point) (point-min))) | |
1175 | (forward-line 1) | |
1176 | (setq e (if (nnmail-search-unix-mail-delim) | |
1177 | (point) (point-max)))) | |
1178 | (setq chars (- e b)) | |
1179 | (unless (zerop chars) | |
1180 | (goto-char b) | |
1181 | (if (search-forward "\n\n" e t) (setq e (1- (point))))) | |
1182 | (with-temp-buffer | |
1183 | (insert-buffer-substring buf b e) | |
1184 | (let ((headers (nnheader-parse-naked-head))) | |
1185 | (mail-header-set-chars headers chars) | |
1186 | (mail-header-set-number headers number) | |
1187 | headers))))) | |
1188 | ||
1189 | (defun nnfolder-add-nov (group article headers) | |
1190 | "Add a nov line for the GROUP base." | |
1191 | (save-excursion | |
1192 | (set-buffer (nnfolder-open-nov group)) | |
1193 | (goto-char (point-max)) | |
1194 | (mail-header-set-number headers article) | |
1195 | (nnheader-insert-nov headers))) | |
1196 | ||
1197 | (deffoo nnfolder-request-set-mark (group actions &optional server) | |
1198 | (when (and server | |
1199 | (not (nnfolder-server-opened server))) | |
1200 | (nnfolder-open-server server)) | |
1201 | (unless nnfolder-marks-is-evil | |
1202 | (nnfolder-open-marks group server) | |
1203 | (dolist (action actions) | |
1204 | (let ((range (nth 0 action)) | |
1205 | (what (nth 1 action)) | |
1206 | (marks (nth 2 action))) | |
c1d7d285 | 1207 | (assert (or (eq what 'add) (eq what 'del)) nil |
23f87bed MB |
1208 | "Unknown request-set-mark action: %s" what) |
1209 | (dolist (mark marks) | |
1210 | (setq nnfolder-marks (gnus-update-alist-soft | |
1211 | mark | |
1212 | (funcall (if (eq what 'add) 'gnus-range-add | |
1213 | 'gnus-remove-from-range) | |
1214 | (cdr (assoc mark nnfolder-marks)) range) | |
1215 | nnfolder-marks))))) | |
1216 | (nnfolder-save-marks group server)) | |
1217 | nil) | |
1218 | ||
1219 | (deffoo nnfolder-request-update-info (group info &optional server) | |
1220 | ;; Change servers. | |
1221 | (when (and server | |
1222 | (not (nnfolder-server-opened server))) | |
1223 | (nnfolder-open-server server)) | |
1224 | (when (and (not nnfolder-marks-is-evil) (nnfolder-marks-changed-p group)) | |
1225 | (nnheader-message 8 "Updating marks for %s..." group) | |
1226 | (nnfolder-open-marks group server) | |
1227 | ;; Update info using `nnfolder-marks'. | |
01c52d31 MB |
1228 | (mapc (lambda (pred) |
1229 | (unless (memq (cdr pred) gnus-article-unpropagated-mark-lists) | |
1230 | (gnus-info-set-marks | |
1231 | info | |
1232 | (gnus-update-alist-soft | |
1233 | (cdr pred) | |
1234 | (cdr (assq (cdr pred) nnfolder-marks)) | |
1235 | (gnus-info-marks info)) | |
1236 | t))) | |
1237 | gnus-article-mark-lists) | |
23f87bed MB |
1238 | (let ((seen (cdr (assq 'read nnfolder-marks)))) |
1239 | (gnus-info-set-read info | |
1240 | (if (and (integerp (car seen)) | |
1241 | (null (cdr seen))) | |
1242 | (list (cons (car seen) (car seen))) | |
1243 | seen))) | |
1244 | (nnheader-message 8 "Updating marks for %s...done" group)) | |
1245 | info) | |
1246 | ||
1247 | (defun nnfolder-group-marks-pathname (group) | |
1248 | "Make pathname for GROUP NOV." | |
1249 | (let ((nnfolder-directory (or nnfolder-marks-directory nnfolder-directory))) | |
1250 | (concat (nnfolder-group-pathname group) nnfolder-marks-file-suffix))) | |
1251 | ||
1252 | (defun nnfolder-marks-changed-p (group) | |
1253 | (let ((file (nnfolder-group-marks-pathname group))) | |
1254 | (if (null (gnus-gethash file nnfolder-marks-modtime)) | |
1255 | t ;; never looked at marks file, assume it has changed | |
1256 | (not (equal (gnus-gethash file nnfolder-marks-modtime) | |
1257 | (nth 5 (file-attributes file))))))) | |
1258 | ||
1259 | (defun nnfolder-save-marks (group server) | |
1260 | (let ((file-name-coding-system nnmail-pathname-coding-system) | |
1261 | (file (nnfolder-group-marks-pathname group))) | |
1262 | (condition-case err | |
1263 | (progn | |
1264 | (with-temp-file file | |
1265 | (erase-buffer) | |
1266 | (gnus-prin1 nnfolder-marks) | |
1267 | (insert "\n")) | |
1268 | (gnus-sethash file | |
1269 | (nth 5 (file-attributes file)) | |
1270 | nnfolder-marks-modtime)) | |
1271 | (error (or (gnus-yes-or-no-p | |
1272 | (format "Could not write to %s (%s). Continue? " file err)) | |
141fa910 | 1273 | (error "Cannot write to %s (%s)" file err)))))) |
23f87bed MB |
1274 | |
1275 | (defun nnfolder-open-marks (group server) | |
1276 | (let ((file (nnfolder-group-marks-pathname group))) | |
1277 | (if (file-exists-p file) | |
1278 | (condition-case err | |
1279 | (with-temp-buffer | |
1280 | (gnus-sethash file (nth 5 (file-attributes file)) | |
1281 | nnfolder-marks-modtime) | |
1282 | (nnheader-insert-file-contents file) | |
1283 | (setq nnfolder-marks (read (current-buffer))) | |
1284 | (dolist (el gnus-article-unpropagated-mark-lists) | |
1285 | (setq nnfolder-marks (gnus-remassoc el nnfolder-marks)))) | |
1286 | (error (or (gnus-yes-or-no-p | |
1287 | (format "Error reading nnfolder marks file %s (%s). Continuing will use marks from .newsrc.eld. Continue? " file err)) | |
1288 | (error "Cannot read nnfolder marks file %s (%s)" file err)))) | |
1289 | ;; User didn't have a .marks file. Probably first time | |
1290 | ;; user of the .marks stuff. Bootstrap it from .newsrc.eld. | |
1291 | (let ((info (gnus-get-info | |
1292 | (gnus-group-prefixed-name | |
1293 | group | |
1294 | (gnus-server-to-method (format "nnfolder:%s" server)))))) | |
1295 | (nnheader-message 7 "Bootstrapping marks for %s..." group) | |
1296 | (setq nnfolder-marks (gnus-info-marks info)) | |
1297 | (push (cons 'read (gnus-info-read info)) nnfolder-marks) | |
1298 | (dolist (el gnus-article-unpropagated-mark-lists) | |
1299 | (setq nnfolder-marks (gnus-remassoc el nnfolder-marks))) | |
1300 | (nnfolder-save-marks group server) | |
1301 | (nnheader-message 7 "Bootstrapping marks for %s...done" group))))) | |
1302 | ||
eec82323 LMI |
1303 | (provide 'nnfolder) |
1304 | ||
cbee283d | 1305 | ;; arch-tag: a040d0f4-4f4e-445f-8972-839575c5f7e6 |
eec82323 | 1306 | ;;; nnfolder.el ends here |