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eec82323 | 1 | ;;; nnbabyl.el --- rmail mbox access for Gnus |
16409b0b GM |
2 | |
3 | ;; Copyright (C) 1995, 1996, 1997, 1998, 1099, 2000 | |
4 | ;; Free Software Foundation, Inc. | |
eec82323 | 5 | |
6748645f | 6 | ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org> |
eec82323 LMI |
7 | ;; Masanobu UMEDA <umerin@flab.flab.fujitsu.junet> |
8 | ;; Keywords: news, mail | |
9 | ||
10 | ;; This file is part of GNU Emacs. | |
11 | ||
12 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
13 | ;; it under the terms of the GNU General Public License as published by | |
14 | ;; the Free Software Foundation; either version 2, or (at your option) | |
15 | ;; any later version. | |
16 | ||
17 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
18 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | ;; GNU General Public License for more details. | |
21 | ||
22 | ;; You should have received a copy of the GNU General Public License | |
23 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
24 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
25 | ;; Boston, MA 02111-1307, USA. | |
26 | ||
27 | ;;; Commentary: | |
28 | ||
29 | ;; For an overview of what the interface functions do, please see the | |
30 | ;; Gnus sources. | |
31 | ||
32 | ;;; Code: | |
33 | ||
34 | (require 'nnheader) | |
6748645f LMI |
35 | (condition-case nil |
36 | (require 'rmail) | |
16409b0b GM |
37 | (t (nnheader-message |
38 | 5 "Ignore rmail errors from this file, you don't have rmail"))) | |
eec82323 LMI |
39 | (require 'nnmail) |
40 | (require 'nnoo) | |
41 | (eval-when-compile (require 'cl)) | |
42 | ||
43 | (nnoo-declare nnbabyl) | |
44 | ||
45 | (defvoo nnbabyl-mbox-file (expand-file-name "~/RMAIL") | |
46 | "The name of the rmail box file in the users home directory.") | |
47 | ||
48 | (defvoo nnbabyl-active-file (expand-file-name "~/.rmail-active") | |
49 | "The name of the active file for the rmail box.") | |
50 | ||
51 | (defvoo nnbabyl-get-new-mail t | |
52 | "If non-nil, nnbabyl will check the incoming mail file and split the mail.") | |
53 | ||
54 | (defvoo nnbabyl-prepare-save-mail-hook nil | |
55 | "Hook run narrowed to an article before saving.") | |
56 | ||
57 | \f | |
58 | ||
59 | (defvar nnbabyl-mail-delimiter "\^_") | |
60 | ||
61 | (defconst nnbabyl-version "nnbabyl 1.0" | |
62 | "nnbabyl version.") | |
63 | ||
64 | (defvoo nnbabyl-mbox-buffer nil) | |
65 | (defvoo nnbabyl-current-group nil) | |
66 | (defvoo nnbabyl-status-string "") | |
67 | (defvoo nnbabyl-group-alist nil) | |
68 | (defvoo nnbabyl-active-timestamp nil) | |
69 | ||
70 | (defvoo nnbabyl-previous-buffer-mode nil) | |
71 | ||
72 | (eval-and-compile | |
73 | (autoload 'gnus-set-text-properties "gnus-ems")) | |
74 | ||
75 | \f | |
76 | ||
77 | ;;; Interface functions | |
78 | ||
79 | (nnoo-define-basics nnbabyl) | |
80 | ||
81 | (deffoo nnbabyl-retrieve-headers (articles &optional group server fetch-old) | |
82 | (save-excursion | |
83 | (set-buffer nntp-server-buffer) | |
84 | (erase-buffer) | |
85 | (let ((number (length articles)) | |
86 | (count 0) | |
87 | (delim (concat "^" nnbabyl-mail-delimiter)) | |
88 | article art-string start stop) | |
89 | (nnbabyl-possibly-change-newsgroup group server) | |
90 | (while (setq article (pop articles)) | |
91 | (setq art-string (nnbabyl-article-string article)) | |
92 | (set-buffer nnbabyl-mbox-buffer) | |
93 | (end-of-line) | |
94 | (when (or (search-forward art-string nil t) | |
95 | (search-backward art-string nil t)) | |
96 | (unless (re-search-backward delim nil t) | |
97 | (goto-char (point-min))) | |
98 | (while (and (not (looking-at ".+:")) | |
99 | (zerop (forward-line 1)))) | |
100 | (setq start (point)) | |
101 | (search-forward "\n\n" nil t) | |
102 | (setq stop (1- (point))) | |
103 | (set-buffer nntp-server-buffer) | |
104 | (insert "221 ") | |
105 | (princ article (current-buffer)) | |
106 | (insert " Article retrieved.\n") | |
107 | (insert-buffer-substring nnbabyl-mbox-buffer start stop) | |
108 | (goto-char (point-max)) | |
109 | (insert ".\n")) | |
110 | (and (numberp nnmail-large-newsgroup) | |
111 | (> number nnmail-large-newsgroup) | |
112 | (zerop (% (incf count) 20)) | |
113 | (nnheader-message 5 "nnbabyl: Receiving headers... %d%%" | |
114 | (/ (* count 100) number)))) | |
115 | ||
116 | (and (numberp nnmail-large-newsgroup) | |
117 | (> number nnmail-large-newsgroup) | |
118 | (nnheader-message 5 "nnbabyl: Receiving headers...done")) | |
119 | ||
120 | (set-buffer nntp-server-buffer) | |
121 | (nnheader-fold-continuation-lines) | |
122 | 'headers))) | |
123 | ||
124 | (deffoo nnbabyl-open-server (server &optional defs) | |
125 | (nnoo-change-server 'nnbabyl server defs) | |
126 | (nnbabyl-create-mbox) | |
127 | (cond | |
128 | ((not (file-exists-p nnbabyl-mbox-file)) | |
129 | (nnbabyl-close-server) | |
130 | (nnheader-report 'nnbabyl "No such file: %s" nnbabyl-mbox-file)) | |
131 | ((file-directory-p nnbabyl-mbox-file) | |
132 | (nnbabyl-close-server) | |
133 | (nnheader-report 'nnbabyl "Not a regular file: %s" nnbabyl-mbox-file)) | |
134 | (t | |
135 | (nnheader-report 'nnbabyl "Opened server %s using mbox %s" server | |
136 | nnbabyl-mbox-file) | |
137 | t))) | |
138 | ||
139 | (deffoo nnbabyl-close-server (&optional server) | |
140 | ;; Restore buffer mode. | |
141 | (when (and (nnbabyl-server-opened) | |
142 | nnbabyl-previous-buffer-mode) | |
143 | (save-excursion | |
144 | (set-buffer nnbabyl-mbox-buffer) | |
145 | (narrow-to-region | |
146 | (caar nnbabyl-previous-buffer-mode) | |
147 | (cdar nnbabyl-previous-buffer-mode)) | |
148 | (funcall (cdr nnbabyl-previous-buffer-mode)))) | |
149 | (nnoo-close-server 'nnbabyl server) | |
150 | (setq nnbabyl-mbox-buffer nil) | |
151 | t) | |
152 | ||
153 | (deffoo nnbabyl-server-opened (&optional server) | |
154 | (and (nnoo-current-server-p 'nnbabyl server) | |
155 | nnbabyl-mbox-buffer | |
156 | (buffer-name nnbabyl-mbox-buffer) | |
157 | nntp-server-buffer | |
158 | (buffer-name nntp-server-buffer))) | |
159 | ||
160 | (deffoo nnbabyl-request-article (article &optional newsgroup server buffer) | |
161 | (nnbabyl-possibly-change-newsgroup newsgroup server) | |
162 | (save-excursion | |
163 | (set-buffer nnbabyl-mbox-buffer) | |
164 | (goto-char (point-min)) | |
165 | (when (search-forward (nnbabyl-article-string article) nil t) | |
166 | (let (start stop summary-line) | |
167 | (unless (re-search-backward (concat "^" nnbabyl-mail-delimiter) nil t) | |
168 | (goto-char (point-min)) | |
169 | (end-of-line)) | |
170 | (while (and (not (looking-at ".+:")) | |
171 | (zerop (forward-line 1)))) | |
172 | (setq start (point)) | |
173 | (or (when (re-search-forward | |
174 | (concat "^" nnbabyl-mail-delimiter) nil t) | |
175 | (beginning-of-line) | |
176 | t) | |
177 | (goto-char (point-max))) | |
178 | (setq stop (point)) | |
179 | (let ((nntp-server-buffer (or buffer nntp-server-buffer))) | |
180 | (set-buffer nntp-server-buffer) | |
181 | (erase-buffer) | |
182 | (insert-buffer-substring nnbabyl-mbox-buffer start stop) | |
183 | (goto-char (point-min)) | |
184 | ;; If there is an EOOH header, then we have to remove some | |
185 | ;; duplicated headers. | |
186 | (setq summary-line (looking-at "Summary-line:")) | |
187 | (when (search-forward "\n*** EOOH ***" nil t) | |
188 | (if summary-line | |
189 | ;; The headers to be deleted are located before the | |
190 | ;; EOOH line... | |
191 | (delete-region (point-min) (progn (forward-line 1) | |
192 | (point))) | |
193 | ;; ...or after. | |
194 | (delete-region (progn (beginning-of-line) (point)) | |
195 | (or (search-forward "\n\n" nil t) | |
196 | (point))))) | |
197 | (if (numberp article) | |
198 | (cons nnbabyl-current-group article) | |
199 | (nnbabyl-article-group-number))))))) | |
200 | ||
201 | (deffoo nnbabyl-request-group (group &optional server dont-check) | |
202 | (let ((active (cadr (assoc group nnbabyl-group-alist)))) | |
203 | (save-excursion | |
204 | (cond | |
205 | ((or (null active) | |
206 | (null (nnbabyl-possibly-change-newsgroup group server))) | |
207 | (nnheader-report 'nnbabyl "No such group: %s" group)) | |
208 | (dont-check | |
209 | (nnheader-report 'nnbabyl "Selected group %s" group) | |
210 | (nnheader-insert "")) | |
211 | (t | |
212 | (nnheader-report 'nnbabyl "Selected group %s" group) | |
213 | (nnheader-insert "211 %d %d %d %s\n" | |
214 | (1+ (- (cdr active) (car active))) | |
215 | (car active) (cdr active) group)))))) | |
216 | ||
217 | (deffoo nnbabyl-request-scan (&optional group server) | |
218 | (nnbabyl-possibly-change-newsgroup group server) | |
219 | (nnbabyl-read-mbox) | |
220 | (nnmail-get-new-mail | |
221 | 'nnbabyl | |
222 | (lambda () | |
223 | (save-excursion | |
224 | (set-buffer nnbabyl-mbox-buffer) | |
225 | (save-buffer))) | |
226 | (file-name-directory nnbabyl-mbox-file) | |
227 | group | |
228 | (lambda () | |
229 | (save-excursion | |
230 | (let ((in-buf (current-buffer))) | |
231 | (goto-char (point-min)) | |
232 | (while (search-forward "\n\^_\n" nil t) | |
233 | (delete-char -1)) | |
234 | (set-buffer nnbabyl-mbox-buffer) | |
235 | (goto-char (point-max)) | |
236 | (search-backward "\n\^_" nil t) | |
237 | (goto-char (match-end 0)) | |
238 | (insert-buffer-substring in-buf))) | |
239 | (nnmail-save-active nnbabyl-group-alist nnbabyl-active-file)))) | |
240 | ||
241 | (deffoo nnbabyl-close-group (group &optional server) | |
242 | t) | |
243 | ||
244 | (deffoo nnbabyl-request-create-group (group &optional server args) | |
245 | (nnmail-activate 'nnbabyl) | |
246 | (unless (assoc group nnbabyl-group-alist) | |
247 | (push (list group (cons 1 0)) | |
6748645f | 248 | nnbabyl-group-alist) |
eec82323 LMI |
249 | (nnmail-save-active nnbabyl-group-alist nnbabyl-active-file)) |
250 | t) | |
251 | ||
252 | (deffoo nnbabyl-request-list (&optional server) | |
253 | (save-excursion | |
254 | (nnmail-find-file nnbabyl-active-file) | |
255 | (setq nnbabyl-group-alist (nnmail-get-active)) | |
256 | t)) | |
257 | ||
258 | (deffoo nnbabyl-request-newgroups (date &optional server) | |
259 | (nnbabyl-request-list server)) | |
260 | ||
261 | (deffoo nnbabyl-request-list-newsgroups (&optional server) | |
262 | (nnheader-report 'nnbabyl "nnbabyl: LIST NEWSGROUPS is not implemented.")) | |
263 | ||
264 | (deffoo nnbabyl-request-expire-articles | |
16409b0b | 265 | (articles newsgroup &optional server force) |
eec82323 LMI |
266 | (nnbabyl-possibly-change-newsgroup newsgroup server) |
267 | (let* ((is-old t) | |
268 | rest) | |
269 | (nnmail-activate 'nnbabyl) | |
270 | ||
271 | (save-excursion | |
272 | (set-buffer nnbabyl-mbox-buffer) | |
273 | (gnus-set-text-properties (point-min) (point-max) nil) | |
274 | (while (and articles is-old) | |
275 | (goto-char (point-min)) | |
276 | (when (search-forward (nnbabyl-article-string (car articles)) nil t) | |
277 | (if (setq is-old | |
278 | (nnmail-expired-article-p | |
279 | newsgroup | |
280 | (buffer-substring | |
281 | (point) (progn (end-of-line) (point))) force)) | |
282 | (progn | |
283 | (nnheader-message 5 "Deleting article %d in %s..." | |
284 | (car articles) newsgroup) | |
285 | (nnbabyl-delete-mail)) | |
286 | (push (car articles) rest))) | |
287 | (setq articles (cdr articles))) | |
288 | (save-buffer) | |
289 | ;; Find the lowest active article in this group. | |
290 | (let ((active (nth 1 (assoc newsgroup nnbabyl-group-alist)))) | |
291 | (goto-char (point-min)) | |
292 | (while (and (not (search-forward | |
293 | (nnbabyl-article-string (car active)) nil t)) | |
294 | (<= (car active) (cdr active))) | |
295 | (setcar active (1+ (car active))) | |
296 | (goto-char (point-min)))) | |
297 | (nnmail-save-active nnbabyl-group-alist nnbabyl-active-file) | |
298 | (nconc rest articles)))) | |
299 | ||
300 | (deffoo nnbabyl-request-move-article | |
16409b0b | 301 | (article group server accept-form &optional last) |
eec82323 LMI |
302 | (let ((buf (get-buffer-create " *nnbabyl move*")) |
303 | result) | |
304 | (and | |
305 | (nnbabyl-request-article article group server) | |
306 | (save-excursion | |
307 | (set-buffer buf) | |
308 | (insert-buffer-substring nntp-server-buffer) | |
309 | (goto-char (point-min)) | |
310 | (while (re-search-forward | |
311 | "^X-Gnus-Newsgroup:" | |
312 | (save-excursion (search-forward "\n\n" nil t) (point)) t) | |
313 | (delete-region (progn (beginning-of-line) (point)) | |
314 | (progn (forward-line 1) (point)))) | |
315 | (setq result (eval accept-form)) | |
316 | (kill-buffer (current-buffer)) | |
317 | result) | |
318 | (save-excursion | |
319 | (nnbabyl-possibly-change-newsgroup group server) | |
320 | (set-buffer nnbabyl-mbox-buffer) | |
321 | (goto-char (point-min)) | |
322 | (if (search-forward (nnbabyl-article-string article) nil t) | |
323 | (nnbabyl-delete-mail)) | |
324 | (and last (save-buffer)))) | |
325 | result)) | |
326 | ||
327 | (deffoo nnbabyl-request-accept-article (group &optional server last) | |
328 | (nnbabyl-possibly-change-newsgroup group server) | |
329 | (nnmail-check-syntax) | |
330 | (let ((buf (current-buffer)) | |
331 | result beg) | |
332 | (and | |
333 | (nnmail-activate 'nnbabyl) | |
334 | (save-excursion | |
335 | (goto-char (point-min)) | |
336 | (search-forward "\n\n" nil t) | |
337 | (forward-line -1) | |
338 | (save-excursion | |
339 | (while (re-search-backward "^X-Gnus-Newsgroup: " beg t) | |
340 | (delete-region (point) (progn (forward-line 1) (point))))) | |
341 | (when nnmail-cache-accepted-message-ids | |
342 | (nnmail-cache-insert (nnmail-fetch-field "message-id"))) | |
343 | (setq result | |
344 | (if (stringp group) | |
345 | (list (cons group (nnbabyl-active-number group))) | |
346 | (nnmail-article-group 'nnbabyl-active-number))) | |
347 | (if (and (null result) | |
348 | (yes-or-no-p "Moved to `junk' group; delete article? ")) | |
349 | (setq result 'junk) | |
350 | (setq result (car (nnbabyl-save-mail result)))) | |
351 | (set-buffer nnbabyl-mbox-buffer) | |
352 | (goto-char (point-max)) | |
353 | (search-backward "\n\^_") | |
354 | (goto-char (match-end 0)) | |
355 | (insert-buffer-substring buf) | |
356 | (when last | |
357 | (when nnmail-cache-accepted-message-ids | |
358 | (nnmail-cache-insert (nnmail-fetch-field "message-id"))) | |
359 | (save-buffer) | |
360 | (nnmail-save-active nnbabyl-group-alist nnbabyl-active-file)) | |
361 | result)))) | |
362 | ||
363 | (deffoo nnbabyl-request-replace-article (article group buffer) | |
364 | (nnbabyl-possibly-change-newsgroup group) | |
365 | (save-excursion | |
366 | (set-buffer nnbabyl-mbox-buffer) | |
367 | (goto-char (point-min)) | |
368 | (if (not (search-forward (nnbabyl-article-string article) nil t)) | |
369 | nil | |
370 | (nnbabyl-delete-mail t t) | |
371 | (insert-buffer-substring buffer) | |
372 | (save-buffer) | |
373 | t))) | |
374 | ||
375 | (deffoo nnbabyl-request-delete-group (group &optional force server) | |
376 | (nnbabyl-possibly-change-newsgroup group server) | |
377 | ;; Delete all articles in GROUP. | |
378 | (if (not force) | |
379 | () ; Don't delete the articles. | |
380 | (save-excursion | |
381 | (set-buffer nnbabyl-mbox-buffer) | |
382 | (goto-char (point-min)) | |
383 | ;; Delete all articles in this group. | |
384 | (let ((ident (concat "\nX-Gnus-Newsgroup: " nnbabyl-current-group ":")) | |
385 | found) | |
386 | (while (search-forward ident nil t) | |
387 | (setq found t) | |
388 | (nnbabyl-delete-mail)) | |
389 | (when found | |
390 | (save-buffer))))) | |
391 | ;; Remove the group from all structures. | |
392 | (setq nnbabyl-group-alist | |
393 | (delq (assoc group nnbabyl-group-alist) nnbabyl-group-alist) | |
394 | nnbabyl-current-group nil) | |
395 | ;; Save the active file. | |
396 | (nnmail-save-active nnbabyl-group-alist nnbabyl-active-file) | |
397 | t) | |
398 | ||
399 | (deffoo nnbabyl-request-rename-group (group new-name &optional server) | |
400 | (nnbabyl-possibly-change-newsgroup group server) | |
401 | (save-excursion | |
402 | (set-buffer nnbabyl-mbox-buffer) | |
403 | (goto-char (point-min)) | |
404 | (let ((ident (concat "\nX-Gnus-Newsgroup: " nnbabyl-current-group ":")) | |
405 | (new-ident (concat "\nX-Gnus-Newsgroup: " new-name ":")) | |
406 | found) | |
407 | (while (search-forward ident nil t) | |
408 | (replace-match new-ident t t) | |
409 | (setq found t)) | |
410 | (when found | |
411 | (save-buffer)))) | |
412 | (let ((entry (assoc group nnbabyl-group-alist))) | |
413 | (and entry (setcar entry new-name)) | |
414 | (setq nnbabyl-current-group nil) | |
415 | ;; Save the new group alist. | |
416 | (nnmail-save-active nnbabyl-group-alist nnbabyl-active-file) | |
417 | t)) | |
418 | ||
419 | \f | |
420 | ;;; Internal functions. | |
421 | ||
422 | ;; If FORCE, delete article no matter how many X-Gnus-Newsgroup | |
423 | ;; headers there are. If LEAVE-DELIM, don't delete the Unix mbox | |
424 | ;; delimiter line. | |
425 | (defun nnbabyl-delete-mail (&optional force leave-delim) | |
426 | ;; Delete the current X-Gnus-Newsgroup line. | |
427 | (unless force | |
428 | (delete-region | |
429 | (progn (beginning-of-line) (point)) | |
430 | (progn (forward-line 1) (point)))) | |
431 | ;; Beginning of the article. | |
432 | (save-excursion | |
433 | (save-restriction | |
434 | (widen) | |
435 | (narrow-to-region | |
436 | (save-excursion | |
16409b0b GM |
437 | (unless (re-search-backward (concat "^" nnbabyl-mail-delimiter) nil t) |
438 | (goto-char (point-min)) | |
439 | (end-of-line)) | |
eec82323 LMI |
440 | (if leave-delim (progn (forward-line 1) (point)) |
441 | (match-beginning 0))) | |
442 | (progn | |
443 | (forward-line 1) | |
444 | (or (and (re-search-forward (concat "^" nnbabyl-mail-delimiter) | |
445 | nil t) | |
446 | (match-beginning 0)) | |
447 | (point-max)))) | |
448 | (goto-char (point-min)) | |
449 | ;; Only delete the article if no other groups owns it as well. | |
450 | (when (or force (not (re-search-forward "^X-Gnus-Newsgroup: " nil t))) | |
451 | (delete-region (point-min) (point-max)))))) | |
452 | ||
453 | (defun nnbabyl-possibly-change-newsgroup (newsgroup &optional server) | |
454 | (when (and server | |
455 | (not (nnbabyl-server-opened server))) | |
456 | (nnbabyl-open-server server)) | |
457 | (when (or (not nnbabyl-mbox-buffer) | |
458 | (not (buffer-name nnbabyl-mbox-buffer))) | |
459 | (save-excursion (nnbabyl-read-mbox))) | |
460 | (unless nnbabyl-group-alist | |
461 | (nnmail-activate 'nnbabyl)) | |
462 | (if newsgroup | |
463 | (if (assoc newsgroup nnbabyl-group-alist) | |
464 | (setq nnbabyl-current-group newsgroup) | |
465 | (nnheader-report 'nnbabyl "No such group in file")) | |
466 | t)) | |
467 | ||
468 | (defun nnbabyl-article-string (article) | |
469 | (if (numberp article) | |
470 | (concat "\nX-Gnus-Newsgroup: " nnbabyl-current-group ":" | |
471 | (int-to-string article) " ") | |
472 | (concat "\nMessage-ID: " article))) | |
473 | ||
474 | (defun nnbabyl-article-group-number () | |
475 | (save-excursion | |
476 | (goto-char (point-min)) | |
477 | (when (re-search-forward "^X-Gnus-Newsgroup: +\\([^:]+\\):\\([0-9]+\\) " | |
478 | nil t) | |
479 | (cons (buffer-substring (match-beginning 1) (match-end 1)) | |
480 | (string-to-int | |
481 | (buffer-substring (match-beginning 2) (match-end 2))))))) | |
482 | ||
483 | (defun nnbabyl-insert-lines () | |
484 | "Insert how many lines and chars there are in the body of the mail." | |
485 | (let (lines chars) | |
486 | (save-excursion | |
487 | (goto-char (point-min)) | |
488 | (when (search-forward "\n\n" nil t) | |
489 | ;; There may be an EOOH line here... | |
490 | (when (looking-at "\\*\\*\\* EOOH \\*\\*\\*") | |
491 | (search-forward "\n\n" nil t)) | |
492 | (setq chars (- (point-max) (point)) | |
493 | lines (max (- (count-lines (point) (point-max)) 1) 0)) | |
494 | ;; Move back to the end of the headers. | |
495 | (goto-char (point-min)) | |
496 | (search-forward "\n\n" nil t) | |
497 | (forward-char -1) | |
498 | (save-excursion | |
499 | (when (re-search-backward "^Lines: " nil t) | |
500 | (delete-region (point) (progn (forward-line 1) (point))))) | |
501 | (insert (format "Lines: %d\n" lines)) | |
502 | chars)))) | |
503 | ||
504 | (defun nnbabyl-save-mail (group-art) | |
505 | ;; Called narrowed to an article. | |
506 | (nnbabyl-insert-lines) | |
507 | (nnmail-insert-xref group-art) | |
508 | (nnbabyl-insert-newsgroup-line group-art) | |
509 | (run-hooks 'nnbabyl-prepare-save-mail-hook) | |
510 | group-art) | |
511 | ||
512 | (defun nnbabyl-insert-newsgroup-line (group-art) | |
513 | (save-excursion | |
514 | (goto-char (point-min)) | |
515 | (while (looking-at "From ") | |
516 | (replace-match "Mail-from: From " t t) | |
517 | (forward-line 1)) | |
518 | ;; If there is a C-l at the beginning of the narrowed region, this | |
519 | ;; isn't really a "save", but rather a "scan". | |
520 | (goto-char (point-min)) | |
521 | (unless (looking-at "\^L") | |
522 | (save-excursion | |
523 | (insert "\^L\n0, unseen,,\n*** EOOH ***\n") | |
524 | (goto-char (point-max)) | |
525 | (insert "\^_\n"))) | |
526 | (when (search-forward "\n\n" nil t) | |
527 | (forward-char -1) | |
528 | (while group-art | |
529 | (insert (format "X-Gnus-Newsgroup: %s:%d %s\n" | |
530 | (caar group-art) (cdar group-art) | |
531 | (current-time-string))) | |
532 | (setq group-art (cdr group-art)))) | |
533 | t)) | |
534 | ||
535 | (defun nnbabyl-active-number (group) | |
536 | ;; Find the next article number in GROUP. | |
537 | (let ((active (cadr (assoc group nnbabyl-group-alist)))) | |
538 | (if active | |
539 | (setcdr active (1+ (cdr active))) | |
540 | ;; This group is new, so we create a new entry for it. | |
541 | ;; This might be a bit naughty... creating groups on the drop of | |
542 | ;; a hat, but I don't know... | |
543 | (push (list group (setq active (cons 1 1))) | |
544 | nnbabyl-group-alist)) | |
545 | (cdr active))) | |
546 | ||
547 | (defun nnbabyl-create-mbox () | |
548 | (unless (file-exists-p nnbabyl-mbox-file) | |
549 | ;; Create a new, empty RMAIL mbox file. | |
550 | (save-excursion | |
551 | (set-buffer (setq nnbabyl-mbox-buffer | |
552 | (create-file-buffer nnbabyl-mbox-file))) | |
553 | (setq buffer-file-name nnbabyl-mbox-file) | |
554 | (insert "BABYL OPTIONS:\n\n\^_") | |
555 | (nnmail-write-region | |
556 | (point-min) (point-max) nnbabyl-mbox-file t 'nomesg)))) | |
557 | ||
558 | (defun nnbabyl-read-mbox () | |
559 | (nnmail-activate 'nnbabyl) | |
560 | (nnbabyl-create-mbox) | |
561 | ||
562 | (unless (and nnbabyl-mbox-buffer | |
16409b0b GM |
563 | (buffer-name nnbabyl-mbox-buffer) |
564 | (save-excursion | |
565 | (set-buffer nnbabyl-mbox-buffer) | |
566 | (= (buffer-size) (nnheader-file-size nnbabyl-mbox-file)))) | |
eec82323 LMI |
567 | ;; This buffer has changed since we read it last. Possibly. |
568 | (save-excursion | |
569 | (let ((delim (concat "^" nnbabyl-mail-delimiter)) | |
570 | (alist nnbabyl-group-alist) | |
571 | start end number) | |
572 | (set-buffer (setq nnbabyl-mbox-buffer | |
573 | (nnheader-find-file-noselect | |
16409b0b | 574 | nnbabyl-mbox-file nil t))) |
eec82323 LMI |
575 | ;; Save previous buffer mode. |
576 | (setq nnbabyl-previous-buffer-mode | |
577 | (cons (cons (point-min) (point-max)) | |
578 | major-mode)) | |
579 | ||
16409b0b | 580 | (buffer-disable-undo) |
eec82323 LMI |
581 | (widen) |
582 | (setq buffer-read-only nil) | |
583 | (fundamental-mode) | |
584 | ||
585 | ;; Go through the group alist and compare against | |
586 | ;; the rmail file. | |
587 | (while alist | |
588 | (goto-char (point-max)) | |
589 | (when (and (re-search-backward | |
590 | (format "^X-Gnus-Newsgroup: %s:\\([0-9]+\\) " | |
591 | (caar alist)) | |
592 | nil t) | |
593 | (> (setq number | |
594 | (string-to-number | |
595 | (buffer-substring | |
596 | (match-beginning 1) (match-end 1)))) | |
597 | (cdadar alist))) | |
598 | (setcdr (cadar alist) number)) | |
599 | (setq alist (cdr alist))) | |
600 | ||
601 | ;; We go through the mbox and make sure that each and | |
602 | ;; every mail belongs to some group or other. | |
603 | (goto-char (point-min)) | |
604 | (if (looking-at "\^L") | |
605 | (setq start (point)) | |
606 | (re-search-forward delim nil t) | |
607 | (setq start (match-end 0))) | |
608 | (while (re-search-forward delim nil t) | |
609 | (setq end (match-end 0)) | |
610 | (unless (search-backward "\nX-Gnus-Newsgroup: " start t) | |
611 | (goto-char end) | |
612 | (save-excursion | |
613 | (save-restriction | |
614 | (narrow-to-region (goto-char start) end) | |
615 | (nnbabyl-save-mail | |
616 | (nnmail-article-group 'nnbabyl-active-number)) | |
617 | (setq end (point-max))))) | |
618 | (goto-char (setq start end))) | |
619 | (when (buffer-modified-p (current-buffer)) | |
620 | (save-buffer)) | |
621 | (nnmail-save-active nnbabyl-group-alist nnbabyl-active-file))))) | |
622 | ||
623 | (defun nnbabyl-remove-incoming-delims () | |
624 | (goto-char (point-min)) | |
625 | (while (search-forward "\^_" nil t) | |
626 | (replace-match "?" t t))) | |
627 | ||
628 | (defun nnbabyl-check-mbox () | |
629 | "Go through the nnbabyl mbox and make sure that no article numbers are reused." | |
630 | (interactive) | |
631 | (let ((idents (make-vector 1000 0)) | |
632 | id) | |
633 | (save-excursion | |
634 | (when (or (not nnbabyl-mbox-buffer) | |
635 | (not (buffer-name nnbabyl-mbox-buffer))) | |
636 | (nnbabyl-read-mbox)) | |
637 | (set-buffer nnbabyl-mbox-buffer) | |
638 | (goto-char (point-min)) | |
639 | (while (re-search-forward "^X-Gnus-Newsgroup: \\([^ ]+\\) " nil t) | |
640 | (if (intern-soft (setq id (match-string 1)) idents) | |
641 | (progn | |
642 | (delete-region (progn (beginning-of-line) (point)) | |
643 | (progn (forward-line 1) (point))) | |
644 | (nnheader-message 7 "Moving %s..." id) | |
645 | (nnbabyl-save-mail | |
646 | (nnmail-article-group 'nnbabyl-active-number))) | |
647 | (intern id idents))) | |
648 | (when (buffer-modified-p (current-buffer)) | |
649 | (save-buffer)) | |
650 | (nnmail-save-active nnbabyl-group-alist nnbabyl-active-file) | |
6748645f | 651 | (nnheader-message 5 "")))) |
eec82323 LMI |
652 | |
653 | (provide 'nnbabyl) | |
654 | ||
655 | ;;; nnbabyl.el ends here |