Commit | Line | Data |
---|---|---|
eec82323 | 1 | ;;; nndoc.el --- single file access for Gnus |
e84b4b86 TTN |
2 | |
3 | ;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, | |
88e6695f | 4 | ;; 2004, 2005, 2006 Free Software Foundation, Inc. |
eec82323 | 5 | |
6748645f | 6 | ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org> |
b092f83d | 7 | ;; Masanobu UMEDA <umerin@flab.flab.fujitsu.junet> |
eec82323 LMI |
8 | ;; Keywords: news |
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 | |
3a35cf56 LK |
24 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
25 | ;; Boston, MA 02110-1301, USA. | |
eec82323 LMI |
26 | |
27 | ;;; Commentary: | |
28 | ||
b092f83d SZ |
29 | ;; For Outlook mail boxes format, see http://mbx2mbox.sourceforge.net/ |
30 | ||
eec82323 LMI |
31 | ;;; Code: |
32 | ||
33 | (require 'nnheader) | |
34 | (require 'message) | |
35 | (require 'nnmail) | |
36 | (require 'nnoo) | |
6748645f | 37 | (require 'gnus-util) |
16409b0b | 38 | (require 'mm-util) |
eec82323 LMI |
39 | (eval-when-compile (require 'cl)) |
40 | ||
41 | (nnoo-declare nndoc) | |
42 | ||
43 | (defvoo nndoc-article-type 'guess | |
44 | "*Type of the file. | |
45 | One of `mbox', `babyl', `digest', `news', `rnews', `mmdf', `forward', | |
16409b0b | 46 | `rfc934', `rfc822-forward', `mime-parts', `standard-digest', |
b092f83d SZ |
47 | `slack-digest', `clari-briefs', `nsmail', `outlook', `oe-dbx', |
48 | `mailman', `exim-bounce', or `guess'.") | |
eec82323 LMI |
49 | |
50 | (defvoo nndoc-post-type 'mail | |
51 | "*Whether the nndoc group is `mail' or `post'.") | |
52 | ||
6748645f LMI |
53 | (defvoo nndoc-open-document-hook 'nnheader-ms-strip-cr |
54 | "Hook run after opening a document. | |
55 | The default function removes all trailing carriage returns | |
16409b0b | 56 | from the document.") |
6748645f | 57 | |
eec82323 LMI |
58 | (defvar nndoc-type-alist |
59 | `((mmdf | |
60 | (article-begin . "^\^A\^A\^A\^A\n") | |
61 | (body-end . "^\^A\^A\^A\^A\n")) | |
23f87bed MB |
62 | (mime-digest |
63 | (article-begin . "") | |
64 | (head-begin . "^ ?\n") | |
65 | (head-end . "^ ?$") | |
66 | (body-end . "") | |
67 | (file-end . "") | |
68 | (subtype digest guess)) | |
69 | (mime-parts | |
70 | (generate-head-function . nndoc-generate-mime-parts-head) | |
71 | (article-transform-function . nndoc-transform-mime-parts)) | |
16409b0b GM |
72 | (nsmail |
73 | (article-begin . "^From - ")) | |
eec82323 LMI |
74 | (news |
75 | (article-begin . "^Path:")) | |
76 | (rnews | |
77 | (article-begin . "^#! *rnews +\\([0-9]+\\) *\n") | |
78 | (body-end-function . nndoc-rnews-body-end)) | |
79 | (mbox | |
80 | (article-begin-function . nndoc-mbox-article-begin) | |
81 | (body-end-function . nndoc-mbox-body-end)) | |
82 | (babyl | |
83 | (article-begin . "\^_\^L *\n") | |
84 | (body-end . "\^_") | |
85 | (body-begin-function . nndoc-babyl-body-begin) | |
86 | (head-begin-function . nndoc-babyl-head-begin)) | |
23f87bed MB |
87 | (exim-bounce |
88 | (article-begin . "^------ This is a copy of the message, including all the headers. ------\n\n") | |
89 | (body-end-function . nndoc-exim-bounce-body-end-function)) | |
eec82323 LMI |
90 | (rfc934 |
91 | (article-begin . "^--.*\n+") | |
92 | (body-end . "^--.*$") | |
93 | (prepare-body-function . nndoc-unquote-dashes)) | |
b092f83d SZ |
94 | (mailman |
95 | (article-begin . "^--__--__--\n\nMessage:") | |
96 | (body-end . "^--__--__--$") | |
97 | (prepare-body-function . nndoc-unquote-dashes)) | |
eec82323 LMI |
98 | (clari-briefs |
99 | (article-begin . "^ \\*") | |
100 | (body-end . "^\t------*[ \t]^*\n^ \\*") | |
101 | (body-begin . "^\t") | |
102 | (head-end . "^\t") | |
103 | (generate-head-function . nndoc-generate-clari-briefs-head) | |
104 | (article-transform-function . nndoc-transform-clari-briefs)) | |
23f87bed | 105 | |
eec82323 | 106 | (standard-digest |
6748645f LMI |
107 | (first-article . ,(concat "^" (make-string 70 ?-) "\n *\n+")) |
108 | (article-begin . ,(concat "^\n" (make-string 30 ?-) "\n *\n+")) | |
eec82323 LMI |
109 | (prepare-body-function . nndoc-unquote-dashes) |
110 | (body-end-function . nndoc-digest-body-end) | |
6748645f LMI |
111 | (head-end . "^ *$") |
112 | (body-begin . "^ *\n") | |
eec82323 LMI |
113 | (file-end . "^End of .*digest.*[0-9].*\n\\*\\*\\|^End of.*Digest *$") |
114 | (subtype digest guess)) | |
115 | (slack-digest | |
116 | (article-begin . "^------------------------------*[\n \t]+") | |
117 | (head-end . "^ ?$") | |
118 | (body-end-function . nndoc-digest-body-end) | |
119 | (body-begin . "^ ?$") | |
120 | (file-end . "^End of") | |
121 | (prepare-body-function . nndoc-unquote-dashes) | |
122 | (subtype digest guess)) | |
123 | (lanl-gov-announce | |
124 | (article-begin . "^\\\\\\\\\n") | |
125 | (head-begin . "^Paper.*:") | |
126 | (head-end . "\\(^\\\\\\\\.*\n\\|-----------------\\)") | |
127 | (body-begin . "") | |
b092f83d SZ |
128 | (body-end . "\\(-------------------------------------------------\\|%-%-%-%-%-%-%-%-%-%-%-%-%-%-\\|%%--%%--%%--%%--%%--%%--%%--%%--\\|%%%---%%%---%%%---%%%---\\)") |
129 | (file-end . "\\(^Title: Recent Seminal\\|%%%---%%%---%%%---%%%---\\)") | |
eec82323 LMI |
130 | (generate-head-function . nndoc-generate-lanl-gov-head) |
131 | (article-transform-function . nndoc-transform-lanl-gov-announce) | |
132 | (subtype preprints guess)) | |
133 | (rfc822-forward | |
23f87bed MB |
134 | (article-begin . "^\n+") |
135 | (body-end-function . nndoc-rfc822-forward-body-end-function) | |
136 | (generate-head-function . nndoc-rfc822-forward-generate-head) | |
137 | (generate-article-function . nndoc-rfc822-forward-generate-article)) | |
16409b0b GM |
138 | (outlook |
139 | (article-begin-function . nndoc-outlook-article-begin) | |
140 | (body-end . "\0")) | |
b092f83d SZ |
141 | (oe-dbx ;; Outlook Express DBX format |
142 | (dissection-function . nndoc-oe-dbx-dissection) | |
143 | (generate-head-function . nndoc-oe-dbx-generate-head) | |
144 | (generate-article-function . nndoc-oe-dbx-generate-article)) | |
145 | (forward | |
146 | (article-begin . "^-+ \\(Start of \\)?forwarded message.*\n+") | |
147 | (body-end . "^-+ End \\(of \\)?forwarded message.*$") | |
148 | (prepare-body-function . nndoc-unquote-dashes)) | |
149 | (mail-in-mail ;; Wild guess on mailer daemon's messages or others | |
150 | (article-begin-function . nndoc-mail-in-mail-article-begin)) | |
eec82323 LMI |
151 | (guess |
152 | (guess . t) | |
153 | (subtype nil)) | |
154 | (digest | |
155 | (guess . t) | |
156 | (subtype nil)) | |
157 | (preprints | |
158 | (guess . t) | |
159 | (subtype nil)))) | |
160 | ||
b092f83d SZ |
161 | (defvar nndoc-binary-file-names ".[Dd][Bb][Xx]$" |
162 | "Regexp for binary nndoc file names.") | |
163 | ||
eec82323 | 164 | \f |
eec82323 LMI |
165 | (defvoo nndoc-file-begin nil) |
166 | (defvoo nndoc-first-article nil) | |
eec82323 LMI |
167 | (defvoo nndoc-article-begin nil) |
168 | (defvoo nndoc-head-begin nil) | |
169 | (defvoo nndoc-head-end nil) | |
170 | (defvoo nndoc-file-end nil) | |
171 | (defvoo nndoc-body-begin nil) | |
172 | (defvoo nndoc-body-end-function nil) | |
173 | (defvoo nndoc-body-begin-function nil) | |
174 | (defvoo nndoc-head-begin-function nil) | |
175 | (defvoo nndoc-body-end nil) | |
6748645f | 176 | ;; nndoc-dissection-alist is a list of sublists. Each sublist holds the |
16409b0b GM |
177 | ;; following items. ARTICLE acts as the association key and is an ordinal |
178 | ;; starting at 1. HEAD-BEGIN [0], HEAD-END [1], BODY-BEGIN [2] and BODY-END | |
179 | ;; [3] are positions in the `nndoc' buffer. LINE-COUNT [4] is a count of | |
180 | ;; lines in the body. For MIME dissections only, ARTICLE-INSERT [5] and | |
181 | ;; SUMMARY-INSERT [6] give headers to insert for full article or summary line | |
182 | ;; generation, respectively. Other headers usually follow directly from the | |
183 | ;; buffer. Value `nil' means no insert. | |
eec82323 LMI |
184 | (defvoo nndoc-dissection-alist nil) |
185 | (defvoo nndoc-prepare-body-function nil) | |
186 | (defvoo nndoc-generate-head-function nil) | |
187 | (defvoo nndoc-article-transform-function nil) | |
188 | (defvoo nndoc-article-begin-function nil) | |
b092f83d SZ |
189 | (defvoo nndoc-generate-article-function nil) |
190 | (defvoo nndoc-dissection-function nil) | |
eec82323 LMI |
191 | |
192 | (defvoo nndoc-status-string "") | |
193 | (defvoo nndoc-group-alist nil) | |
194 | (defvoo nndoc-current-buffer nil | |
195 | "Current nndoc news buffer.") | |
196 | (defvoo nndoc-address nil) | |
197 | ||
198 | (defconst nndoc-version "nndoc 1.0" | |
199 | "nndoc version.") | |
200 | ||
201 | \f | |
202 | ||
203 | ;;; Interface functions | |
204 | ||
205 | (nnoo-define-basics nndoc) | |
206 | ||
207 | (deffoo nndoc-retrieve-headers (articles &optional newsgroup server fetch-old) | |
208 | (when (nndoc-possibly-change-buffer newsgroup server) | |
209 | (save-excursion | |
210 | (set-buffer nntp-server-buffer) | |
211 | (erase-buffer) | |
212 | (let (article entry) | |
213 | (if (stringp (car articles)) | |
214 | 'headers | |
215 | (while articles | |
216 | (when (setq entry (cdr (assq (setq article (pop articles)) | |
217 | nndoc-dissection-alist))) | |
218 | (insert (format "221 %d Article retrieved.\n" article)) | |
219 | (if nndoc-generate-head-function | |
220 | (funcall nndoc-generate-head-function article) | |
221 | (insert-buffer-substring | |
222 | nndoc-current-buffer (car entry) (nth 1 entry))) | |
223 | (goto-char (point-max)) | |
16409b0b | 224 | (unless (eq (char-after (1- (point))) ?\n) |
eec82323 LMI |
225 | (insert "\n")) |
226 | (insert (format "Lines: %d\n" (nth 4 entry))) | |
227 | (insert ".\n"))) | |
228 | ||
229 | (nnheader-fold-continuation-lines) | |
230 | 'headers))))) | |
231 | ||
232 | (deffoo nndoc-request-article (article &optional newsgroup server buffer) | |
233 | (nndoc-possibly-change-buffer newsgroup server) | |
234 | (save-excursion | |
235 | (let ((buffer (or buffer nntp-server-buffer)) | |
236 | (entry (cdr (assq article nndoc-dissection-alist))) | |
237 | beg) | |
238 | (set-buffer buffer) | |
239 | (erase-buffer) | |
240 | (when entry | |
b092f83d SZ |
241 | (cond |
242 | ((stringp article) nil) | |
243 | (nndoc-generate-article-function | |
244 | (funcall nndoc-generate-article-function article)) | |
245 | (t | |
eec82323 LMI |
246 | (insert-buffer-substring |
247 | nndoc-current-buffer (car entry) (nth 1 entry)) | |
248 | (insert "\n") | |
249 | (setq beg (point)) | |
250 | (insert-buffer-substring | |
251 | nndoc-current-buffer (nth 2 entry) (nth 3 entry)) | |
252 | (goto-char beg) | |
253 | (when nndoc-prepare-body-function | |
254 | (funcall nndoc-prepare-body-function)) | |
255 | (when nndoc-article-transform-function | |
256 | (funcall nndoc-article-transform-function article)) | |
b092f83d | 257 | t)))))) |
eec82323 LMI |
258 | |
259 | (deffoo nndoc-request-group (group &optional server dont-check) | |
260 | "Select news GROUP." | |
261 | (let (number) | |
262 | (cond | |
263 | ((not (nndoc-possibly-change-buffer group server)) | |
264 | (nnheader-report 'nndoc "No such file or buffer: %s" | |
265 | nndoc-address)) | |
266 | (dont-check | |
267 | (nnheader-report 'nndoc "Selected group %s" group) | |
268 | t) | |
269 | ((zerop (setq number (length nndoc-dissection-alist))) | |
270 | (nndoc-close-group group) | |
271 | (nnheader-report 'nndoc "No articles in group %s" group)) | |
272 | (t | |
273 | (nnheader-insert "211 %d %d %d %s\n" number 1 number group))))) | |
274 | ||
275 | (deffoo nndoc-request-type (group &optional article) | |
276 | (cond ((not article) 'unknown) | |
b092f83d SZ |
277 | (nndoc-post-type nndoc-post-type) |
278 | (t 'unknown))) | |
eec82323 LMI |
279 | |
280 | (deffoo nndoc-close-group (group &optional server) | |
281 | (nndoc-possibly-change-buffer group server) | |
282 | (and nndoc-current-buffer | |
283 | (buffer-name nndoc-current-buffer) | |
284 | (kill-buffer nndoc-current-buffer)) | |
285 | (setq nndoc-group-alist (delq (assoc group nndoc-group-alist) | |
286 | nndoc-group-alist)) | |
287 | (setq nndoc-current-buffer nil) | |
288 | (nnoo-close-server 'nndoc server) | |
289 | (setq nndoc-dissection-alist nil) | |
290 | t) | |
291 | ||
292 | (deffoo nndoc-request-list (&optional server) | |
293 | nil) | |
294 | ||
295 | (deffoo nndoc-request-newgroups (date &optional server) | |
296 | nil) | |
297 | ||
298 | (deffoo nndoc-request-list-newsgroups (&optional server) | |
299 | nil) | |
300 | ||
301 | \f | |
302 | ;;; Internal functions. | |
303 | ||
304 | (defun nndoc-possibly-change-buffer (group source) | |
305 | (let (buf) | |
306 | (cond | |
307 | ;; The current buffer is this group's buffer. | |
308 | ((and nndoc-current-buffer | |
309 | (buffer-name nndoc-current-buffer) | |
310 | (eq nndoc-current-buffer | |
311 | (setq buf (cdr (assoc group nndoc-group-alist)))))) | |
312 | ;; We change buffers by taking an old from the group alist. | |
313 | ;; `source' is either a string (a file name) or a buffer object. | |
314 | (buf | |
315 | (setq nndoc-current-buffer buf)) | |
316 | ;; It's a totally new group. | |
317 | ((or (and (bufferp nndoc-address) | |
318 | (buffer-name nndoc-address)) | |
319 | (and (stringp nndoc-address) | |
320 | (file-exists-p nndoc-address) | |
321 | (not (file-directory-p nndoc-address)))) | |
322 | (push (cons group (setq nndoc-current-buffer | |
323 | (get-buffer-create | |
324 | (concat " *nndoc " group "*")))) | |
325 | nndoc-group-alist) | |
326 | (setq nndoc-dissection-alist nil) | |
327 | (save-excursion | |
328 | (set-buffer nndoc-current-buffer) | |
eec82323 | 329 | (erase-buffer) |
b092f83d SZ |
330 | (if (and (stringp nndoc-address) |
331 | (string-match nndoc-binary-file-names nndoc-address)) | |
332 | (let ((coding-system-for-read 'binary)) | |
333 | (mm-insert-file-contents nndoc-address)) | |
334 | (if (stringp nndoc-address) | |
335 | (nnheader-insert-file-contents nndoc-address) | |
336 | (insert-buffer-substring nndoc-address)) | |
337 | (run-hooks 'nndoc-open-document-hook))))) | |
eec82323 LMI |
338 | ;; Initialize the nndoc structures according to this new document. |
339 | (when (and nndoc-current-buffer | |
340 | (not nndoc-dissection-alist)) | |
341 | (save-excursion | |
342 | (set-buffer nndoc-current-buffer) | |
343 | (nndoc-set-delims) | |
6748645f LMI |
344 | (if (eq nndoc-article-type 'mime-parts) |
345 | (nndoc-dissect-mime-parts) | |
346 | (nndoc-dissect-buffer)))) | |
eec82323 LMI |
347 | (unless nndoc-current-buffer |
348 | (nndoc-close-server)) | |
349 | ;; Return whether we managed to select a file. | |
350 | nndoc-current-buffer)) | |
351 | ||
352 | ;;; | |
353 | ;;; Deciding what document type we have | |
354 | ;;; | |
355 | ||
356 | (defun nndoc-set-delims () | |
357 | "Set the nndoc delimiter variables according to the type of the document." | |
358 | (let ((vars '(nndoc-file-begin | |
359 | nndoc-first-article | |
6748645f LMI |
360 | nndoc-article-begin-function |
361 | nndoc-head-begin nndoc-head-end | |
eec82323 LMI |
362 | nndoc-file-end nndoc-article-begin |
363 | nndoc-body-begin nndoc-body-end-function nndoc-body-end | |
364 | nndoc-prepare-body-function nndoc-article-transform-function | |
365 | nndoc-generate-head-function nndoc-body-begin-function | |
b092f83d SZ |
366 | nndoc-head-begin-function |
367 | nndoc-generate-article-function | |
368 | nndoc-dissection-function))) | |
eec82323 LMI |
369 | (while vars |
370 | (set (pop vars) nil))) | |
371 | (let (defs) | |
372 | ;; Guess away until we find the real file type. | |
373 | (while (assq 'guess (setq defs (cdr (assq nndoc-article-type | |
374 | nndoc-type-alist)))) | |
375 | (setq nndoc-article-type (nndoc-guess-type nndoc-article-type))) | |
376 | ;; Set the nndoc variables. | |
377 | (while defs | |
378 | (set (intern (format "nndoc-%s" (caar defs))) | |
379 | (cdr (pop defs)))))) | |
380 | ||
381 | (defun nndoc-guess-type (subtype) | |
382 | (let ((alist nndoc-type-alist) | |
383 | results result entry) | |
384 | (while (and (not result) | |
385 | (setq entry (pop alist))) | |
386 | (when (memq subtype (or (cdr (assq 'subtype entry)) '(guess))) | |
387 | (goto-char (point-min)) | |
16409b0b GM |
388 | ;; Remove blank lines. |
389 | (while (eq (following-char) ?\n) | |
390 | (delete-char 1)) | |
eec82323 LMI |
391 | (when (numberp (setq result (funcall (intern |
392 | (format "nndoc-%s-type-p" | |
393 | (car entry)))))) | |
394 | (push (cons result entry) results) | |
395 | (setq result nil)))) | |
396 | (unless (or result results) | |
397 | (error "Document is not of any recognized type")) | |
398 | (if result | |
399 | (car entry) | |
23f87bed | 400 | (cadar (last (sort results 'car-less-than-car)))))) |
eec82323 LMI |
401 | |
402 | ;;; | |
403 | ;;; Built-in type predicates and functions | |
404 | ;;; | |
405 | ||
406 | (defun nndoc-mbox-type-p () | |
407 | (when (looking-at message-unix-mail-delimiter) | |
408 | t)) | |
409 | ||
410 | (defun nndoc-mbox-article-begin () | |
411 | (when (re-search-forward (concat "^" message-unix-mail-delimiter) nil t) | |
412 | (goto-char (match-beginning 0)))) | |
413 | ||
414 | (defun nndoc-mbox-body-end () | |
415 | (let ((beg (point)) | |
416 | len end) | |
417 | (when | |
418 | (save-excursion | |
419 | (and (re-search-backward | |
420 | (concat "^" message-unix-mail-delimiter) nil t) | |
421 | (setq end (point)) | |
422 | (search-forward "\n\n" beg t) | |
423 | (re-search-backward | |
424 | "^Content-Length:[ \t]*\\([0-9]+\\) *$" end t) | |
e9bd5782 | 425 | (setq len (string-to-number (match-string 1))) |
eec82323 LMI |
426 | (search-forward "\n\n" beg t) |
427 | (unless (= (setq len (+ (point) len)) (point-max)) | |
428 | (and (< len (point-max)) | |
429 | (goto-char len) | |
430 | (looking-at message-unix-mail-delimiter))))) | |
431 | (goto-char len)))) | |
432 | ||
433 | (defun nndoc-mmdf-type-p () | |
434 | (when (looking-at "\^A\^A\^A\^A$") | |
435 | t)) | |
436 | ||
437 | (defun nndoc-news-type-p () | |
438 | (when (looking-at "^Path:.*\n") | |
439 | t)) | |
440 | ||
441 | (defun nndoc-rnews-type-p () | |
442 | (when (looking-at "#! *rnews") | |
443 | t)) | |
444 | ||
445 | (defun nndoc-rnews-body-end () | |
446 | (and (re-search-backward nndoc-article-begin nil t) | |
447 | (forward-line 1) | |
e9bd5782 | 448 | (goto-char (+ (point) (string-to-number (match-string 1)))))) |
eec82323 LMI |
449 | |
450 | (defun nndoc-babyl-type-p () | |
451 | (when (re-search-forward "\^_\^L *\n" nil t) | |
452 | t)) | |
453 | ||
454 | (defun nndoc-babyl-body-begin () | |
455 | (re-search-forward "^\n" nil t) | |
6748645f | 456 | (when (looking-at "\\*\\*\\* EOOH \\*\\*\\*") |
eec82323 LMI |
457 | (let ((next (or (save-excursion |
458 | (re-search-forward nndoc-article-begin nil t)) | |
459 | (point-max)))) | |
460 | (unless (re-search-forward "^\n" next t) | |
461 | (goto-char next) | |
462 | (forward-line -1) | |
463 | (insert "\n") | |
464 | (forward-line -1))))) | |
465 | ||
466 | (defun nndoc-babyl-head-begin () | |
467 | (when (re-search-forward "^[0-9].*\n" nil t) | |
6748645f | 468 | (when (looking-at "\\*\\*\\* EOOH \\*\\*\\*") |
eec82323 LMI |
469 | (forward-line 1)) |
470 | t)) | |
471 | ||
472 | (defun nndoc-forward-type-p () | |
b092f83d | 473 | (when (and (re-search-forward "^-+ \\(Start of \\)?forwarded message.*\n+" |
16409b0b | 474 | nil t) |
23f87bed | 475 | (looking-at "[\r\n]*[a-zA-Z][a-zA-Z0-9-]*:\\|^>?From ")) |
eec82323 LMI |
476 | t)) |
477 | ||
478 | (defun nndoc-rfc934-type-p () | |
479 | (when (and (re-search-forward "^-+ Start of forwarded.*\n+" nil t) | |
480 | (not (re-search-forward "^Subject:.*digest" nil t)) | |
481 | (not (re-search-backward "^From:" nil t 2)) | |
482 | (not (re-search-forward "^From:" nil t 2))) | |
483 | t)) | |
484 | ||
b092f83d SZ |
485 | (defun nndoc-mailman-type-p () |
486 | (when (re-search-forward "^--__--__--\n+" nil t) | |
487 | t)) | |
488 | ||
eec82323 LMI |
489 | (defun nndoc-rfc822-forward-type-p () |
490 | (save-restriction | |
491 | (message-narrow-to-head) | |
492 | (when (re-search-forward "^Content-Type: *message/rfc822" nil t) | |
493 | t))) | |
494 | ||
495 | (defun nndoc-rfc822-forward-body-end-function () | |
496 | (goto-char (point-max))) | |
497 | ||
23f87bed MB |
498 | (defun nndoc-rfc822-forward-generate-article (article &optional head) |
499 | (let ((entry (cdr (assq article nndoc-dissection-alist))) | |
500 | (begin (point)) | |
501 | encoding) | |
502 | (with-current-buffer nndoc-current-buffer | |
503 | (save-restriction | |
504 | (message-narrow-to-head) | |
505 | (setq encoding (message-fetch-field "content-transfer-encoding")))) | |
506 | (insert-buffer-substring nndoc-current-buffer (car entry) (nth 3 entry)) | |
507 | (when encoding | |
508 | (save-restriction | |
509 | (narrow-to-region begin (point-max)) | |
510 | (mm-decode-content-transfer-encoding | |
511 | (intern (downcase (mail-header-strip encoding)))))) | |
512 | (when head | |
513 | (goto-char begin) | |
514 | (when (search-forward "\n\n" nil t) | |
515 | (delete-region (1- (point)) (point-max))))) | |
516 | t) | |
517 | ||
518 | (defun nndoc-rfc822-forward-generate-head (article) | |
519 | (nndoc-rfc822-forward-generate-article article 'head)) | |
520 | ||
6748645f LMI |
521 | (defun nndoc-mime-parts-type-p () |
522 | (let ((case-fold-search t) | |
523 | (limit (search-forward "\n\n" nil t))) | |
524 | (goto-char (point-min)) | |
525 | (when (and limit | |
16409b0b GM |
526 | (re-search-forward |
527 | (concat "\ | |
528 | ^Content-Type:[ \t]*multipart/[a-z]+ *; *\\(\\(\n[ \t]\\)?.*;\\)*" | |
529 | "\\(\n[ \t]\\)?[ \t]*boundary=\"?[^\"\n]*[^\" \t\n]") | |
530 | limit t)) | |
6748645f LMI |
531 | t))) |
532 | ||
533 | (defun nndoc-transform-mime-parts (article) | |
16409b0b GM |
534 | (let* ((entry (cdr (assq article nndoc-dissection-alist))) |
535 | (headers (nth 5 entry))) | |
536 | (when headers | |
6748645f | 537 | (goto-char (point-min)) |
16409b0b GM |
538 | (insert headers)))) |
539 | ||
540 | (defun nndoc-generate-mime-parts-head (article) | |
541 | (let* ((entry (cdr (assq article nndoc-dissection-alist))) | |
542 | (headers (nth 6 entry))) | |
543 | (save-restriction | |
544 | (narrow-to-region (point) (point)) | |
545 | (insert-buffer-substring | |
546 | nndoc-current-buffer (car entry) (nth 1 entry)) | |
547 | (goto-char (point-max))) | |
548 | (when headers | |
549 | (insert headers)))) | |
6748645f | 550 | |
eec82323 LMI |
551 | (defun nndoc-clari-briefs-type-p () |
552 | (when (let ((case-fold-search nil)) | |
553 | (re-search-forward "^\t[^a-z]+ ([^a-z]+) --" nil t)) | |
554 | t)) | |
555 | ||
556 | (defun nndoc-transform-clari-briefs (article) | |
557 | (goto-char (point-min)) | |
558 | (when (looking-at " *\\*\\(.*\\)\n") | |
559 | (replace-match "" t t)) | |
560 | (nndoc-generate-clari-briefs-head article)) | |
561 | ||
562 | (defun nndoc-generate-clari-briefs-head (article) | |
563 | (let ((entry (cdr (assq article nndoc-dissection-alist))) | |
564 | subject from) | |
565 | (save-excursion | |
566 | (set-buffer nndoc-current-buffer) | |
567 | (save-restriction | |
568 | (narrow-to-region (car entry) (nth 3 entry)) | |
569 | (goto-char (point-min)) | |
570 | (when (looking-at " *\\*\\(.*\\)$") | |
571 | (setq subject (match-string 1)) | |
572 | (when (string-match "[ \t]+$" subject) | |
573 | (setq subject (substring subject 0 (match-beginning 0))))) | |
574 | (when | |
575 | (let ((case-fold-search nil)) | |
576 | (re-search-forward | |
577 | "^\t\\([^a-z]+\\(,[^(]+\\)? ([^a-z]+)\\) --" nil t)) | |
578 | (setq from (match-string 1))))) | |
579 | (insert "From: " "clari@clari.net (" (or from "unknown") ")" | |
580 | "\nSubject: " (or subject "(no subject)") "\n"))) | |
581 | ||
b092f83d SZ |
582 | (defun nndoc-exim-bounce-type-p () |
583 | (and (re-search-forward "^------ This is a copy of the message, including all the headers. ------" nil t) | |
584 | t)) | |
585 | ||
586 | (defun nndoc-exim-bounce-body-end-function () | |
587 | (goto-char (point-max))) | |
588 | ||
16409b0b | 589 | |
eec82323 LMI |
590 | (defun nndoc-mime-digest-type-p () |
591 | (let ((case-fold-search t) | |
592 | boundary-id b-delimiter entry) | |
593 | (when (and | |
594 | (re-search-forward | |
595 | (concat "^Content-Type: *multipart/digest;[ \t\n]*[ \t]" | |
6748645f | 596 | "boundary=\"?\\([^\"\n]*[^\" \t\n]\\)") |
eec82323 LMI |
597 | nil t) |
598 | (match-beginning 1)) | |
599 | (setq boundary-id (match-string 1) | |
16409b0b | 600 | b-delimiter (concat "\n--" boundary-id "[ \t]*$")) |
eec82323 LMI |
601 | (setq entry (assq 'mime-digest nndoc-type-alist)) |
602 | (setcdr entry | |
603 | (list | |
16409b0b | 604 | (cons 'head-begin "^ ?\n") |
eec82323 LMI |
605 | (cons 'head-end "^ ?$") |
606 | (cons 'body-begin "^ ?\n") | |
607 | (cons 'article-begin b-delimiter) | |
608 | (cons 'body-end-function 'nndoc-digest-body-end) | |
b092f83d | 609 | (cons 'file-end (concat "^--" boundary-id "--[ \t]*$")))) |
eec82323 LMI |
610 | t))) |
611 | ||
612 | (defun nndoc-standard-digest-type-p () | |
613 | (when (and (re-search-forward (concat "^" (make-string 70 ?-) "\n\n") nil t) | |
614 | (re-search-forward | |
615 | (concat "\n\n" (make-string 30 ?-) "\n\n") nil t)) | |
616 | t)) | |
617 | ||
618 | (defun nndoc-digest-body-end () | |
619 | (and (re-search-forward nndoc-article-begin nil t) | |
620 | (goto-char (match-beginning 0)))) | |
621 | ||
622 | (defun nndoc-slack-digest-type-p () | |
623 | 0) | |
624 | ||
625 | (defun nndoc-lanl-gov-announce-type-p () | |
626 | (when (let ((case-fold-search nil)) | |
b092f83d | 627 | (re-search-forward "^\\\\\\\\\nPaper\\( (\\*cross-listing\\*)\\)?: [a-zA-Z-\\.]+/[0-9]+" nil t)) |
eec82323 LMI |
628 | t)) |
629 | ||
630 | (defun nndoc-transform-lanl-gov-announce (article) | |
631 | (goto-char (point-max)) | |
b092f83d SZ |
632 | (when (re-search-backward "^\\\\\\\\ +( *\\([^ ]*\\) , *\\([^ ]*\\))" nil t) |
633 | (replace-match "\n\nGet it at \\1 (\\2)" t nil)) | |
634 | (goto-char (point-min)) | |
635 | (while (re-search-forward "^\\\\\\\\$" nil t) | |
636 | (replace-match "" t nil)) | |
637 | (goto-char (point-min)) | |
638 | (when (re-search-forward "^replaced with revised version +\\(.*[^ ]\\) +" nil t) | |
639 | (replace-match "Date: \\1 (revised) " t nil)) | |
640 | (goto-char (point-min)) | |
641 | (unless (re-search-forward "^From" nil t) | |
642 | (goto-char (point-min)) | |
643 | (when (re-search-forward "^Authors?: \\(.*\\)" nil t) | |
644 | (goto-char (point-min)) | |
645 | (insert "From: " (match-string 1) "\n")))) | |
eec82323 LMI |
646 | |
647 | (defun nndoc-generate-lanl-gov-head (article) | |
648 | (let ((entry (cdr (assq article nndoc-dissection-alist))) | |
b092f83d SZ |
649 | (from "<no address given>") |
650 | subject date) | |
eec82323 LMI |
651 | (save-excursion |
652 | (set-buffer nndoc-current-buffer) | |
653 | (save-restriction | |
b092f83d SZ |
654 | (narrow-to-region (car entry) (nth 1 entry)) |
655 | (goto-char (point-min)) | |
656 | (when (looking-at "^Paper.*: \\([a-zA-Z-\\.]+/[0-9]+\\)") | |
657 | (setq subject (concat " (" (match-string 1) ")")) | |
658 | (when (re-search-forward "^From: \\(.*\\)" nil t) | |
659 | (setq from (concat "<" | |
a1506d29 | 660 | (cadr (funcall gnus-extract-address-components |
b092f83d SZ |
661 | (match-string 1))) ">"))) |
662 | (if (re-search-forward "^Date: +\\([^(]*\\)" nil t) | |
663 | (setq date (match-string 1)) | |
664 | (when (re-search-forward "^replaced with revised version +\\([^(]*\\)" nil t) | |
665 | (setq date (match-string 1)))) | |
666 | (when (re-search-forward "^Title: \\([^\f]*\\)\nAuthors?: \\(.*\\)" | |
667 | nil t) | |
668 | (setq subject (concat (match-string 1) subject)) | |
669 | (setq from (concat (match-string 2) " " from)))))) | |
eec82323 LMI |
670 | (while (and from (string-match "(\[^)\]*)" from)) |
671 | (setq from (replace-match "" t t from))) | |
672 | (insert "From: " (or from "unknown") | |
b092f83d SZ |
673 | "\nSubject: " (or subject "(no subject)") "\n") |
674 | (if date (insert "Date: " date)))) | |
eec82323 | 675 | |
16409b0b GM |
676 | (defun nndoc-nsmail-type-p () |
677 | (when (looking-at "From - ") | |
678 | t)) | |
679 | ||
680 | (defun nndoc-outlook-article-begin () | |
681 | (prog1 (re-search-forward "From:\\|Received:" nil t) | |
682 | (goto-char (match-beginning 0)))) | |
683 | ||
684 | (defun nndoc-outlook-type-p () | |
685 | ;; FIXME: Is JMF the magic of outlook mailbox? -- ShengHuo. | |
686 | (looking-at "JMF")) | |
687 | ||
b092f83d SZ |
688 | (defun nndoc-oe-dbx-type-p () |
689 | (looking-at (mm-string-as-multibyte "\317\255\022\376"))) | |
690 | ||
691 | (defun nndoc-read-little-endian () | |
692 | (+ (prog1 (char-after) (forward-char 1)) | |
693 | (lsh (prog1 (char-after) (forward-char 1)) 8) | |
694 | (lsh (prog1 (char-after) (forward-char 1)) 16) | |
695 | (lsh (prog1 (char-after) (forward-char 1)) 24))) | |
696 | ||
697 | (defun nndoc-oe-dbx-decode-block () | |
698 | (list | |
699 | (nndoc-read-little-endian) ;; this address | |
700 | (nndoc-read-little-endian) ;; next address offset | |
701 | (nndoc-read-little-endian) ;; blocksize | |
702 | (nndoc-read-little-endian))) ;; next address | |
703 | ||
704 | (defun nndoc-oe-dbx-dissection () | |
705 | (let ((i 0) blk p tp) | |
706 | (goto-char 60117) ;; 0x0000EAD4+1 | |
707 | (setq p (point)) | |
708 | (unless (eobp) | |
709 | (setq blk (nndoc-oe-dbx-decode-block))) | |
710 | (while (and blk (> (car blk) 0) (or (zerop (nth 3 blk)) | |
711 | (> (nth 3 blk) p))) | |
712 | (push (list (incf i) p nil nil nil 0) nndoc-dissection-alist) | |
713 | (while (and (> (car blk) 0) (> (nth 3 blk) p)) | |
714 | (goto-char (1+ (nth 3 blk))) | |
715 | (setq blk (nndoc-oe-dbx-decode-block))) | |
716 | (if (or (<= (car blk) p) | |
717 | (<= (nth 1 blk) 0) | |
718 | (not (zerop (nth 3 blk)))) | |
719 | (setq blk nil) | |
720 | (setq tp (+ (car blk) (nth 1 blk) 17)) | |
721 | (if (or (<= tp p) (>= tp (point-max))) | |
722 | (setq blk nil) | |
723 | (goto-char tp) | |
724 | (setq p tp | |
725 | blk (nndoc-oe-dbx-decode-block))))))) | |
726 | ||
727 | (defun nndoc-oe-dbx-generate-article (article &optional head) | |
728 | (let ((entry (cdr (assq article nndoc-dissection-alist))) | |
729 | (cur (current-buffer)) | |
730 | (begin (point)) | |
731 | blk p) | |
732 | (with-current-buffer nndoc-current-buffer | |
733 | (setq p (car entry)) | |
734 | (while (> p (point-min)) | |
735 | (goto-char p) | |
736 | (setq blk (nndoc-oe-dbx-decode-block)) | |
737 | (setq p (point)) | |
738 | (with-current-buffer cur | |
739 | (insert-buffer-substring nndoc-current-buffer p (+ p (nth 2 blk)))) | |
740 | (setq p (1+ (nth 3 blk))))) | |
741 | (goto-char begin) | |
742 | (while (re-search-forward "\r$" nil t) | |
743 | (delete-backward-char 1)) | |
744 | (when head | |
745 | (goto-char begin) | |
746 | (when (search-forward "\n\n" nil t) | |
747 | (setcar (cddddr entry) (count-lines (point) (point-max))) | |
748 | (delete-region (1- (point)) (point-max)))) | |
749 | t)) | |
750 | ||
751 | (defun nndoc-oe-dbx-generate-head (article) | |
752 | (nndoc-oe-dbx-generate-article article 'head)) | |
753 | ||
754 | (defun nndoc-mail-in-mail-type-p () | |
755 | (let (found) | |
756 | (save-excursion | |
757 | (catch 'done | |
758 | (while (re-search-forward "\n\n[-A-Za-z0-9]+:" nil t) | |
759 | (setq found 0) | |
760 | (forward-line) | |
761 | (while (looking-at "[ \t]\\|[-A-Za-z0-9]+:") | |
762 | (if (looking-at "[-A-Za-z0-9]+:") | |
763 | (setq found (1+ found))) | |
764 | (forward-line)) | |
765 | (if (and (> found 0) (looking-at "\n")) | |
766 | (throw 'done 9999))) | |
767 | nil)))) | |
768 | ||
769 | (defun nndoc-mail-in-mail-article-begin () | |
770 | (let (point found) | |
771 | (if (catch 'done | |
772 | (while (re-search-forward "\n\n\\([-A-Za-z0-9]+:\\)" nil t) | |
773 | (setq found 0) | |
774 | (setq point (match-beginning 1)) | |
775 | (forward-line) | |
776 | (while (looking-at "[ \t]\\|[-A-Za-z0-9]+:") | |
777 | (if (looking-at "[-A-Za-z0-9]+:") | |
778 | (setq found (1+ found))) | |
779 | (forward-line)) | |
780 | (if (and (> found 0) (looking-at "\n")) | |
781 | (throw 'done t))) | |
782 | nil) | |
783 | (goto-char point)))) | |
784 | ||
6748645f LMI |
785 | (deffoo nndoc-request-accept-article (group &optional server last) |
786 | nil) | |
787 | ||
eec82323 LMI |
788 | ;;; |
789 | ;;; Functions for dissecting the documents | |
790 | ;;; | |
791 | ||
792 | (defun nndoc-search (regexp) | |
793 | (prog1 | |
794 | (re-search-forward regexp nil t) | |
795 | (beginning-of-line))) | |
796 | ||
797 | (defun nndoc-dissect-buffer () | |
798 | "Go through the document and partition it into heads/bodies/articles." | |
799 | (let ((i 0) | |
800 | (first t) | |
23f87bed | 801 | art-begin head-begin head-end body-begin body-end) |
eec82323 LMI |
802 | (setq nndoc-dissection-alist nil) |
803 | (save-excursion | |
804 | (set-buffer nndoc-current-buffer) | |
805 | (goto-char (point-min)) | |
16409b0b GM |
806 | ;; Remove blank lines. |
807 | (while (eq (following-char) ?\n) | |
808 | (delete-char 1)) | |
b092f83d SZ |
809 | (if nndoc-dissection-function |
810 | (funcall nndoc-dissection-function) | |
811 | ;; Find the beginning of the file. | |
812 | (when nndoc-file-begin | |
813 | (nndoc-search nndoc-file-begin)) | |
814 | ;; Go through the file. | |
815 | (while (if (and first nndoc-first-article) | |
816 | (nndoc-search nndoc-first-article) | |
23f87bed MB |
817 | (if art-begin |
818 | (goto-char art-begin) | |
819 | (nndoc-article-begin))) | |
820 | (setq first nil | |
821 | art-begin nil) | |
b092f83d SZ |
822 | (cond (nndoc-head-begin-function |
823 | (funcall nndoc-head-begin-function)) | |
824 | (nndoc-head-begin | |
825 | (nndoc-search nndoc-head-begin))) | |
826 | (if (or (eobp) | |
827 | (and nndoc-file-end | |
828 | (looking-at nndoc-file-end))) | |
829 | (goto-char (point-max)) | |
830 | (setq head-begin (point)) | |
831 | (nndoc-search (or nndoc-head-end "^$")) | |
832 | (setq head-end (point)) | |
833 | (if nndoc-body-begin-function | |
834 | (funcall nndoc-body-begin-function) | |
835 | (nndoc-search (or nndoc-body-begin "^\n"))) | |
836 | (setq body-begin (point)) | |
837 | (or (and nndoc-body-end-function | |
838 | (funcall nndoc-body-end-function)) | |
839 | (and nndoc-body-end | |
840 | (nndoc-search nndoc-body-end)) | |
23f87bed MB |
841 | (and (nndoc-article-begin) |
842 | (setq art-begin (point))) | |
b092f83d SZ |
843 | (progn |
844 | (goto-char (point-max)) | |
845 | (when nndoc-file-end | |
846 | (and (re-search-backward nndoc-file-end nil t) | |
847 | (beginning-of-line))))) | |
848 | (setq body-end (point)) | |
849 | (push (list (incf i) head-begin head-end body-begin body-end | |
850 | (count-lines body-begin body-end)) | |
851 | nndoc-dissection-alist))))))) | |
eec82323 LMI |
852 | |
853 | (defun nndoc-article-begin () | |
854 | (if nndoc-article-begin-function | |
855 | (funcall nndoc-article-begin-function) | |
856 | (ignore-errors | |
857 | (nndoc-search nndoc-article-begin)))) | |
858 | ||
859 | (defun nndoc-unquote-dashes () | |
860 | "Unquote quoted non-separators in digests." | |
861 | (while (re-search-forward "^- -"nil t) | |
862 | (replace-match "-" t t))) | |
863 | ||
6748645f LMI |
864 | ;; Against compiler warnings. |
865 | (defvar nndoc-mime-split-ordinal) | |
866 | ||
867 | (defun nndoc-dissect-mime-parts () | |
868 | "Go through a MIME composite article and partition it into sub-articles. | |
869 | When a MIME entity contains sub-entities, dissection produces one article for | |
870 | the header of this entity, and one article per sub-entity." | |
871 | (setq nndoc-dissection-alist nil | |
872 | nndoc-mime-split-ordinal 0) | |
873 | (save-excursion | |
874 | (set-buffer nndoc-current-buffer) | |
16409b0b GM |
875 | (nndoc-dissect-mime-parts-sub (point-min) (point-max) nil nil nil))) |
876 | ||
877 | (defun nndoc-dissect-mime-parts-sub (head-begin body-end article-insert | |
878 | position parent) | |
879 | "Dissect an entity, within a composite MIME message. | |
880 | The complete message or MIME entity extends from HEAD-BEGIN to BODY-END. | |
881 | ARTICLE-INSERT should be added at beginning for generating a full article. | |
6748645f LMI |
882 | The string POSITION holds a dotted decimal representation of the article |
883 | position in the hierarchical structure, it is nil for the outer entity. | |
16409b0b GM |
884 | PARENT is the message-ID of the parent summary line, or nil for none." |
885 | (let ((case-fold-search t) | |
886 | (message-id (nnmail-message-id)) | |
887 | head-end body-begin summary-insert message-rfc822 multipart-any | |
888 | subject content-type type subtype boundary-regexp) | |
889 | ;; Gracefully handle a missing body. | |
890 | (goto-char head-begin) | |
2e36fdce DL |
891 | (if (or (and (eq (char-after) ?\n) (or (forward-char 1) t)) |
892 | (search-forward "\n\n" body-end t)) | |
16409b0b GM |
893 | (setq head-end (1- (point)) |
894 | body-begin (point)) | |
895 | (setq head-end body-end | |
896 | body-begin body-end)) | |
897 | (narrow-to-region head-begin head-end) | |
898 | ;; Save MIME attributes. | |
899 | (goto-char head-begin) | |
900 | (setq content-type (message-fetch-field "Content-Type")) | |
901 | (when content-type | |
902 | (when (string-match | |
903 | "^ *\\([^ \t\n/;]+\\)/\\([^ \t\n/;]+\\)" content-type) | |
904 | (setq type (downcase (match-string 1 content-type)) | |
905 | subtype (downcase (match-string 2 content-type)) | |
906 | message-rfc822 (and (string= type "message") | |
907 | (string= subtype "rfc822")) | |
908 | multipart-any (string= type "multipart"))) | |
909 | (when (string-match ";[ \t\n]*name=\\([^ \t\n;]+\\)" content-type) | |
910 | (setq subject (match-string 1 content-type))) | |
911 | (when (string-match "boundary=\"?\\([^\"\n]*[^\" \t\n]\\)" content-type) | |
912 | (setq boundary-regexp (concat "^--" | |
913 | (regexp-quote | |
914 | (match-string 1 content-type)) | |
915 | "\\(--\\)?[ \t]*\n")))) | |
916 | (unless subject | |
917 | (when (or multipart-any (not article-insert)) | |
918 | (setq subject (message-fetch-field "Subject")))) | |
919 | (unless type | |
920 | (setq type "text" | |
921 | subtype "plain")) | |
922 | ;; Prepare the article and summary inserts. | |
923 | (unless article-insert | |
23f87bed | 924 | (setq article-insert (buffer-string) |
16409b0b | 925 | head-end head-begin)) |
b092f83d SZ |
926 | ;; Fix MIME-Version |
927 | (unless (string-match "MIME-Version:" article-insert) | |
928 | (setq article-insert | |
929 | (concat article-insert "MIME-Version: 1.0\n"))) | |
16409b0b GM |
930 | (setq summary-insert article-insert) |
931 | ;; - summary Subject. | |
932 | (setq summary-insert | |
933 | (let ((line (concat "Subject: <" position | |
934 | (and position multipart-any ".") | |
935 | (and multipart-any "*") | |
936 | (and (or position multipart-any) " ") | |
937 | (cond ((string= subtype "plain") type) | |
938 | ((string= subtype "basic") type) | |
939 | (t subtype)) | |
940 | ">" | |
941 | (and subject " ") | |
942 | subject | |
943 | "\n"))) | |
944 | (if (string-match "Subject:.*\n\\([ \t].*\n\\)*" summary-insert) | |
945 | (replace-match line t t summary-insert) | |
946 | (concat summary-insert line)))) | |
947 | ;; - summary Message-ID. | |
948 | (setq summary-insert | |
949 | (let ((line (concat "Message-ID: " message-id "\n"))) | |
950 | (if (string-match "Message-ID:.*\n\\([ \t].*\n\\)*" summary-insert) | |
951 | (replace-match line t t summary-insert) | |
952 | (concat summary-insert line)))) | |
953 | ;; - summary References. | |
954 | (when parent | |
955 | (setq summary-insert | |
956 | (let ((line (concat "References: " parent "\n"))) | |
957 | (if (string-match "References:.*\n\\([ \t].*\n\\)*" | |
958 | summary-insert) | |
959 | (replace-match line t t summary-insert) | |
960 | (concat summary-insert line))))) | |
961 | ;; Generate dissection information for this entity. | |
962 | (push (list (incf nndoc-mime-split-ordinal) | |
963 | head-begin head-end body-begin body-end | |
964 | (count-lines body-begin body-end) | |
965 | article-insert summary-insert) | |
966 | nndoc-dissection-alist) | |
967 | ;; Recurse for all sub-entities, if any. | |
968 | (widen) | |
969 | (cond | |
970 | (message-rfc822 | |
971 | (save-excursion | |
972 | (nndoc-dissect-mime-parts-sub body-begin body-end nil | |
973 | position message-id))) | |
974 | ((and multipart-any boundary-regexp) | |
975 | (let ((part-counter 0) | |
976 | part-begin part-end eof-flag) | |
977 | (while (string-match "\ | |
978 | ^\\(Lines\\|Content-\\(Type\\|Transfer-Encoding\\|Disposition\\)\\):.*\n\\([ \t].*\n\\)*" | |
979 | article-insert) | |
980 | (setq article-insert (replace-match "" t t article-insert))) | |
981 | (let ((case-fold-search nil)) | |
982 | (goto-char body-begin) | |
983 | (setq eof-flag (not (re-search-forward boundary-regexp body-end t))) | |
6748645f | 984 | (while (not eof-flag) |
16409b0b GM |
985 | (setq part-begin (point)) |
986 | (cond ((re-search-forward boundary-regexp body-end t) | |
6748645f LMI |
987 | (or (not (match-string 1)) |
988 | (string= (match-string 1) "") | |
989 | (setq eof-flag t)) | |
990 | (forward-line -1) | |
16409b0b | 991 | (setq part-end (point)) |
6748645f | 992 | (forward-line 1)) |
16409b0b | 993 | (t (setq part-end body-end |
6748645f | 994 | eof-flag t))) |
16409b0b GM |
995 | (save-excursion |
996 | (nndoc-dissect-mime-parts-sub | |
997 | part-begin part-end article-insert | |
998 | (concat position | |
999 | (and position ".") | |
1000 | (format "%d" (incf part-counter))) | |
1001 | message-id))))))))) | |
6748645f | 1002 | |
eec82323 LMI |
1003 | ;;;###autoload |
1004 | (defun nndoc-add-type (definition &optional position) | |
1005 | "Add document DEFINITION to the list of nndoc document definitions. | |
1006 | If POSITION is nil or `last', the definition will be added | |
1007 | as the last checked definition, if t or `first', add as the | |
1008 | first definition, and if any other symbol, add after that | |
1009 | symbol in the alist." | |
1010 | ;; First remove any old instances. | |
6748645f | 1011 | (gnus-pull (car definition) nndoc-type-alist) |
eec82323 LMI |
1012 | ;; Then enter the new definition in the proper place. |
1013 | (cond | |
1014 | ((or (null position) (eq position 'last)) | |
1015 | (setq nndoc-type-alist (nconc nndoc-type-alist (list definition)))) | |
1016 | ((or (eq position t) (eq position 'first)) | |
1017 | (push definition nndoc-type-alist)) | |
1018 | (t | |
1019 | (let ((list (memq (assq position nndoc-type-alist) | |
1020 | nndoc-type-alist))) | |
1021 | (unless list | |
1022 | (error "No such position: %s" position)) | |
1023 | (setcdr list (cons definition (cdr list))))))) | |
1024 | ||
1025 | (provide 'nndoc) | |
1026 | ||
ab5796a9 | 1027 | ;;; arch-tag: f5c2970e-0387-47ac-a0b3-6cc317dffabe |
eec82323 | 1028 | ;;; nndoc.el ends here |