1 ;;; nndoc.el --- single file access for Gnus
2 ;; Copyright (C) 1995,96,97,98,99 Free Software Foundation, Inc.
4 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
5 ;; Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
35 (eval-when-compile (require 'cl))
39 (defvoo nndoc-article-type 'guess
41 One of `mbox', `babyl', `digest', `news', `rnews', `mmdf', `forward',
42 `rfc934', `rfc822-forward', `mime-parts', `standard-digest',
43 `slack-digest', `clari-briefs', `nsmail' or `guess'.")
45 (defvoo nndoc-post-type 'mail
46 "*Whether the nndoc group is `mail' or `post'.")
48 (defvoo nndoc-open-document-hook 'nnheader-ms-strip-cr
49 "Hook run after opening a document.
50 The default function removes all trailing carriage returns
53 (defvar nndoc-type-alist
55 (article-begin . "^\^A\^A\^A\^A\n")
56 (body-end . "^\^A\^A\^A\^A\n"))
58 (article-begin . "^From - "))
60 (article-begin . "^Path:"))
62 (article-begin . "^#! *rnews +\\([0-9]+\\) *\n")
63 (body-end-function . nndoc-rnews-body-end))
65 (article-begin-function . nndoc-mbox-article-begin)
66 (body-end-function . nndoc-mbox-body-end))
68 (article-begin . "\^_\^L *\n")
70 (body-begin-function . nndoc-babyl-body-begin)
71 (head-begin-function . nndoc-babyl-head-begin))
73 (article-begin . "^-+ Start of forwarded message -+\n+")
74 (body-end . "^-+ End of forwarded message -+$")
75 (prepare-body-function . nndoc-unquote-dashes))
77 (article-begin . "^--.*\n+")
79 (prepare-body-function . nndoc-unquote-dashes))
81 (article-begin . "^ \\*")
82 (body-end . "^\t------*[ \t]^*\n^ \\*")
85 (generate-head-function . nndoc-generate-clari-briefs-head)
86 (article-transform-function . nndoc-transform-clari-briefs))
88 (generate-head-function . nndoc-generate-mime-parts-head)
89 (article-transform-function . nndoc-transform-mime-parts))
91 (first-article . ,(concat "^" (make-string 70 ?-) "\n *\n+"))
92 (article-begin . ,(concat "^\n" (make-string 30 ?-) "\n *\n+"))
93 (prepare-body-function . nndoc-unquote-dashes)
94 (body-end-function . nndoc-digest-body-end)
96 (body-begin . "^ *\n")
97 (file-end . "^End of .*digest.*[0-9].*\n\\*\\*\\|^End of.*Digest *$")
98 (subtype digest guess))
100 (article-begin . "^------------------------------*[\n \t]+")
102 (body-end-function . nndoc-digest-body-end)
103 (body-begin . "^ ?$")
104 (file-end . "^End of")
105 (prepare-body-function . nndoc-unquote-dashes)
106 (subtype digest guess))
108 (article-begin . "^\\\\\\\\\n")
109 (head-begin . "^Paper.*:")
110 (head-end . "\\(^\\\\\\\\.*\n\\|-----------------\\)")
112 (body-end . "-------------------------------------------------")
113 (file-end . "^Title: Recent Seminal")
114 (generate-head-function . nndoc-generate-lanl-gov-head)
115 (article-transform-function . nndoc-transform-lanl-gov-announce)
116 (subtype preprints guess))
118 (article-begin . "^\n")
119 (body-end-function . nndoc-rfc822-forward-body-end-function))
131 (defvoo nndoc-file-begin nil)
132 (defvoo nndoc-first-article nil)
133 (defvoo nndoc-article-begin nil)
134 (defvoo nndoc-head-begin nil)
135 (defvoo nndoc-head-end nil)
136 (defvoo nndoc-file-end nil)
137 (defvoo nndoc-body-begin nil)
138 (defvoo nndoc-body-end-function nil)
139 (defvoo nndoc-body-begin-function nil)
140 (defvoo nndoc-head-begin-function nil)
141 (defvoo nndoc-body-end nil)
142 ;; nndoc-dissection-alist is a list of sublists. Each sublist holds the
143 ;; following items. ARTICLE acts as the association key and is an ordinal
144 ;; starting at 1. HEAD-BEGIN [0], HEAD-END [1], BODY-BEGIN [2] and BODY-END
145 ;; [3] are positions in the `nndoc' buffer. LINE-COUNT [4] is a count of
146 ;; lines in the body. For MIME dissections only, ARTICLE-INSERT [5] and
147 ;; SUMMARY-INSERT [6] give headers to insert for full article or summary line
148 ;; generation, respectively. Other headers usually follow directly from the
149 ;; buffer. Value `nil' means no insert.
150 (defvoo nndoc-dissection-alist nil)
151 (defvoo nndoc-prepare-body-function nil)
152 (defvoo nndoc-generate-head-function nil)
153 (defvoo nndoc-article-transform-function nil)
154 (defvoo nndoc-article-begin-function nil)
156 (defvoo nndoc-status-string "")
157 (defvoo nndoc-group-alist nil)
158 (defvoo nndoc-current-buffer nil
159 "Current nndoc news buffer.")
160 (defvoo nndoc-address nil)
162 (defconst nndoc-version "nndoc 1.0"
167 ;;; Interface functions
169 (nnoo-define-basics nndoc)
171 (deffoo nndoc-retrieve-headers (articles &optional newsgroup server fetch-old)
172 (when (nndoc-possibly-change-buffer newsgroup server)
174 (set-buffer nntp-server-buffer)
177 (if (stringp (car articles))
180 (when (setq entry (cdr (assq (setq article (pop articles))
181 nndoc-dissection-alist)))
182 (insert (format "221 %d Article retrieved.\n" article))
183 (if nndoc-generate-head-function
184 (funcall nndoc-generate-head-function article)
185 (insert-buffer-substring
186 nndoc-current-buffer (car entry) (nth 1 entry)))
187 (goto-char (point-max))
188 (unless (eq (char-after (1- (point))) ?\n)
190 (insert (format "Lines: %d\n" (nth 4 entry)))
193 (nnheader-fold-continuation-lines)
196 (deffoo nndoc-request-article (article &optional newsgroup server buffer)
197 (nndoc-possibly-change-buffer newsgroup server)
199 (let ((buffer (or buffer nntp-server-buffer))
200 (entry (cdr (assq article nndoc-dissection-alist)))
205 (if (stringp article)
207 (insert-buffer-substring
208 nndoc-current-buffer (car entry) (nth 1 entry))
211 (insert-buffer-substring
212 nndoc-current-buffer (nth 2 entry) (nth 3 entry))
214 (when nndoc-prepare-body-function
215 (funcall nndoc-prepare-body-function))
216 (when nndoc-article-transform-function
217 (funcall nndoc-article-transform-function article))
220 (deffoo nndoc-request-group (group &optional server dont-check)
224 ((not (nndoc-possibly-change-buffer group server))
225 (nnheader-report 'nndoc "No such file or buffer: %s"
228 (nnheader-report 'nndoc "Selected group %s" group)
230 ((zerop (setq number (length nndoc-dissection-alist)))
231 (nndoc-close-group group)
232 (nnheader-report 'nndoc "No articles in group %s" group))
234 (nnheader-insert "211 %d %d %d %s\n" number 1 number group)))))
236 (deffoo nndoc-request-type (group &optional article)
237 (cond ((not article) 'unknown)
238 (nndoc-post-type nndoc-post-type)
241 (deffoo nndoc-close-group (group &optional server)
242 (nndoc-possibly-change-buffer group server)
243 (and nndoc-current-buffer
244 (buffer-name nndoc-current-buffer)
245 (kill-buffer nndoc-current-buffer))
246 (setq nndoc-group-alist (delq (assoc group nndoc-group-alist)
248 (setq nndoc-current-buffer nil)
249 (nnoo-close-server 'nndoc server)
250 (setq nndoc-dissection-alist nil)
253 (deffoo nndoc-request-list (&optional server)
256 (deffoo nndoc-request-newgroups (date &optional server)
259 (deffoo nndoc-request-list-newsgroups (&optional server)
263 ;;; Internal functions.
265 (defun nndoc-possibly-change-buffer (group source)
268 ;; The current buffer is this group's buffer.
269 ((and nndoc-current-buffer
270 (buffer-name nndoc-current-buffer)
271 (eq nndoc-current-buffer
272 (setq buf (cdr (assoc group nndoc-group-alist))))))
273 ;; We change buffers by taking an old from the group alist.
274 ;; `source' is either a string (a file name) or a buffer object.
276 (setq nndoc-current-buffer buf))
277 ;; It's a totally new group.
278 ((or (and (bufferp nndoc-address)
279 (buffer-name nndoc-address))
280 (and (stringp nndoc-address)
281 (file-exists-p nndoc-address)
282 (not (file-directory-p nndoc-address))))
283 (push (cons group (setq nndoc-current-buffer
285 (concat " *nndoc " group "*"))))
287 (setq nndoc-dissection-alist nil)
289 (set-buffer nndoc-current-buffer)
291 (if (stringp nndoc-address)
292 (mm-insert-file-contents nndoc-address)
293 (insert-buffer-substring nndoc-address))
294 (run-hooks 'nndoc-open-document-hook))))
295 ;; Initialize the nndoc structures according to this new document.
296 (when (and nndoc-current-buffer
297 (not nndoc-dissection-alist))
299 (set-buffer nndoc-current-buffer)
301 (if (eq nndoc-article-type 'mime-parts)
302 (nndoc-dissect-mime-parts)
303 (nndoc-dissect-buffer))))
304 (unless nndoc-current-buffer
305 (nndoc-close-server))
306 ;; Return whether we managed to select a file.
307 nndoc-current-buffer))
310 ;;; Deciding what document type we have
313 (defun nndoc-set-delims ()
314 "Set the nndoc delimiter variables according to the type of the document."
315 (let ((vars '(nndoc-file-begin
317 nndoc-article-begin-function
318 nndoc-head-begin nndoc-head-end
319 nndoc-file-end nndoc-article-begin
320 nndoc-body-begin nndoc-body-end-function nndoc-body-end
321 nndoc-prepare-body-function nndoc-article-transform-function
322 nndoc-generate-head-function nndoc-body-begin-function
323 nndoc-head-begin-function)))
325 (set (pop vars) nil)))
327 ;; Guess away until we find the real file type.
328 (while (assq 'guess (setq defs (cdr (assq nndoc-article-type
330 (setq nndoc-article-type (nndoc-guess-type nndoc-article-type)))
331 ;; Set the nndoc variables.
333 (set (intern (format "nndoc-%s" (caar defs)))
336 (defun nndoc-guess-type (subtype)
337 (let ((alist nndoc-type-alist)
338 results result entry)
339 (while (and (not result)
340 (setq entry (pop alist)))
341 (when (memq subtype (or (cdr (assq 'subtype entry)) '(guess)))
342 (goto-char (point-min))
343 ;; Remove blank lines.
344 (while (eq (following-char) ?\n)
346 (when (numberp (setq result (funcall (intern
347 (format "nndoc-%s-type-p"
349 (push (cons result entry) results)
351 (unless (or result results)
352 (error "Document is not of any recognized type"))
355 (cadar (sort results 'car-less-than-car)))))
358 ;;; Built-in type predicates and functions
361 (defun nndoc-mbox-type-p ()
362 (when (looking-at message-unix-mail-delimiter)
365 (defun nndoc-mbox-article-begin ()
366 (when (re-search-forward (concat "^" message-unix-mail-delimiter) nil t)
367 (goto-char (match-beginning 0))))
369 (defun nndoc-mbox-body-end ()
374 (and (re-search-backward
375 (concat "^" message-unix-mail-delimiter) nil t)
377 (search-forward "\n\n" beg t)
379 "^Content-Length:[ \t]*\\([0-9]+\\) *$" end t)
380 (setq len (string-to-int (match-string 1)))
381 (search-forward "\n\n" beg t)
382 (unless (= (setq len (+ (point) len)) (point-max))
383 (and (< len (point-max))
385 (looking-at message-unix-mail-delimiter)))))
388 (defun nndoc-mmdf-type-p ()
389 (when (looking-at "\^A\^A\^A\^A$")
392 (defun nndoc-news-type-p ()
393 (when (looking-at "^Path:.*\n")
396 (defun nndoc-rnews-type-p ()
397 (when (looking-at "#! *rnews")
400 (defun nndoc-rnews-body-end ()
401 (and (re-search-backward nndoc-article-begin nil t)
403 (goto-char (+ (point) (string-to-int (match-string 1))))))
405 (defun nndoc-babyl-type-p ()
406 (when (re-search-forward "\^_\^L *\n" nil t)
409 (defun nndoc-babyl-body-begin ()
410 (re-search-forward "^\n" nil t)
411 (when (looking-at "\\*\\*\\* EOOH \\*\\*\\*")
412 (let ((next (or (save-excursion
413 (re-search-forward nndoc-article-begin nil t))
415 (unless (re-search-forward "^\n" next t)
419 (forward-line -1)))))
421 (defun nndoc-babyl-head-begin ()
422 (when (re-search-forward "^[0-9].*\n" nil t)
423 (when (looking-at "\\*\\*\\* EOOH \\*\\*\\*")
427 (defun nndoc-forward-type-p ()
428 (when (and (re-search-forward "^-+ Start of forwarded message -+\n+" nil t)
429 (not (re-search-forward "^Subject:.*digest" nil t))
430 (not (re-search-backward "^From:" nil t 2))
431 (not (re-search-forward "^From:" nil t 2)))
434 (defun nndoc-rfc934-type-p ()
435 (when (and (re-search-forward "^-+ Start of forwarded.*\n+" nil t)
436 (not (re-search-forward "^Subject:.*digest" nil t))
437 (not (re-search-backward "^From:" nil t 2))
438 (not (re-search-forward "^From:" nil t 2)))
441 (defun nndoc-rfc822-forward-type-p ()
443 (message-narrow-to-head)
444 (when (re-search-forward "^Content-Type: *message/rfc822" nil t)
447 (defun nndoc-rfc822-forward-body-end-function ()
448 (goto-char (point-max)))
450 (defun nndoc-mime-parts-type-p ()
451 (let ((case-fold-search t)
452 (limit (search-forward "\n\n" nil t)))
453 (goto-char (point-min))
457 ^Content-Type:[ \t]*multipart/[a-z]+ *; *\\(\\(\n[ \t]\\)?.*;\\)*"
458 "\\(\n[ \t]\\)?[ \t]*boundary=\"?[^\"\n]*[^\" \t\n]")
462 (defun nndoc-transform-mime-parts (article)
463 (let* ((entry (cdr (assq article nndoc-dissection-alist)))
464 (headers (nth 5 entry)))
466 (goto-char (point-min))
469 (defun nndoc-generate-mime-parts-head (article)
470 (let* ((entry (cdr (assq article nndoc-dissection-alist)))
471 (headers (nth 6 entry)))
473 (narrow-to-region (point) (point))
474 (insert-buffer-substring
475 nndoc-current-buffer (car entry) (nth 1 entry))
476 (goto-char (point-max)))
480 (defun nndoc-clari-briefs-type-p ()
481 (when (let ((case-fold-search nil))
482 (re-search-forward "^\t[^a-z]+ ([^a-z]+) --" nil t))
485 (defun nndoc-transform-clari-briefs (article)
486 (goto-char (point-min))
487 (when (looking-at " *\\*\\(.*\\)\n")
488 (replace-match "" t t))
489 (nndoc-generate-clari-briefs-head article))
491 (defun nndoc-generate-clari-briefs-head (article)
492 (let ((entry (cdr (assq article nndoc-dissection-alist)))
495 (set-buffer nndoc-current-buffer)
497 (narrow-to-region (car entry) (nth 3 entry))
498 (goto-char (point-min))
499 (when (looking-at " *\\*\\(.*\\)$")
500 (setq subject (match-string 1))
501 (when (string-match "[ \t]+$" subject)
502 (setq subject (substring subject 0 (match-beginning 0)))))
504 (let ((case-fold-search nil))
506 "^\t\\([^a-z]+\\(,[^(]+\\)? ([^a-z]+)\\) --" nil t))
507 (setq from (match-string 1)))))
508 (insert "From: " "clari@clari.net (" (or from "unknown") ")"
509 "\nSubject: " (or subject "(no subject)") "\n")))
511 (defun nndoc-standard-digest-type-p ()
512 (when (and (re-search-forward (concat "^" (make-string 70 ?-) "\n\n") nil t)
514 (concat "\n\n" (make-string 30 ?-) "\n\n") nil t))
517 (defun nndoc-digest-body-end ()
518 (and (re-search-forward nndoc-article-begin nil t)
519 (goto-char (match-beginning 0))))
521 (defun nndoc-slack-digest-type-p ()
524 (defun nndoc-lanl-gov-announce-type-p ()
525 (when (let ((case-fold-search nil))
526 (re-search-forward "^\\\\\\\\\nPaper: [a-z-]+/[0-9]+" nil t))
529 (defun nndoc-transform-lanl-gov-announce (article)
530 (goto-char (point-max))
531 (when (re-search-backward "^\\\\\\\\ +(\\([^ ]*\\) , *\\([^ ]*\\))" nil t)
532 (replace-match "\n\nGet it at \\1 (\\2)" t nil))
533 ;; (when (re-search-backward "^\\\\\\\\$" nil t)
534 ;; (replace-match "" t t))
537 (defun nndoc-generate-lanl-gov-head (article)
538 (let ((entry (cdr (assq article nndoc-dissection-alist)))
539 (e-mail "no address given")
542 (set-buffer nndoc-current-buffer)
544 (narrow-to-region (car entry) (nth 1 entry))
545 (goto-char (point-min))
546 (when (looking-at "^Paper.*: \\([a-z-]+/[0-9]+\\)")
547 (setq subject (concat " (" (match-string 1) ")"))
548 (when (re-search-forward "^From: \\([^ ]+\\)" nil t)
549 (setq e-mail (match-string 1)))
550 (when (re-search-forward "^Title: \\([^\f]*\\)\nAuthors?: \\(.*\\)"
552 (setq subject (concat (match-string 1) subject))
553 (setq from (concat (match-string 2) " <" e-mail ">"))))
555 (while (and from (string-match "(\[^)\]*)" from))
556 (setq from (replace-match "" t t from)))
557 (insert "From: " (or from "unknown")
558 "\nSubject: " (or subject "(no subject)") "\n")))
560 (defun nndoc-nsmail-type-p ()
561 (when (looking-at "From - ")
564 (deffoo nndoc-request-accept-article (group &optional server last)
569 ;;; Functions for dissecting the documents
572 (defun nndoc-search (regexp)
574 (re-search-forward regexp nil t)
575 (beginning-of-line)))
577 (defun nndoc-dissect-buffer ()
578 "Go through the document and partition it into heads/bodies/articles."
581 head-begin head-end body-begin body-end)
582 (setq nndoc-dissection-alist nil)
584 (set-buffer nndoc-current-buffer)
585 (goto-char (point-min))
586 ;; Remove blank lines.
587 (while (eq (following-char) ?\n)
589 ;; Find the beginning of the file.
590 (when nndoc-file-begin
591 (nndoc-search nndoc-file-begin))
592 ;; Go through the file.
593 (while (if (and first nndoc-first-article)
594 (nndoc-search nndoc-first-article)
595 (nndoc-article-begin))
597 (cond (nndoc-head-begin-function
598 (funcall nndoc-head-begin-function))
600 (nndoc-search nndoc-head-begin)))
603 (looking-at nndoc-file-end)))
604 (goto-char (point-max))
605 (setq head-begin (point))
606 (nndoc-search (or nndoc-head-end "^$"))
607 (setq head-end (point))
608 (if nndoc-body-begin-function
609 (funcall nndoc-body-begin-function)
610 (nndoc-search (or nndoc-body-begin "^\n")))
611 (setq body-begin (point))
612 (or (and nndoc-body-end-function
613 (funcall nndoc-body-end-function))
615 (nndoc-search nndoc-body-end))
616 (nndoc-article-begin)
618 (goto-char (point-max))
620 (and (re-search-backward nndoc-file-end nil t)
621 (beginning-of-line)))))
622 (setq body-end (point))
623 (push (list (incf i) head-begin head-end body-begin body-end
624 (count-lines body-begin body-end))
625 nndoc-dissection-alist))))))
627 (defun nndoc-article-begin ()
628 (if nndoc-article-begin-function
629 (funcall nndoc-article-begin-function)
631 (nndoc-search nndoc-article-begin))))
633 (defun nndoc-unquote-dashes ()
634 "Unquote quoted non-separators in digests."
635 (while (re-search-forward "^- -"nil t)
636 (replace-match "-" t t)))
638 ;; Against compiler warnings.
639 (defvar nndoc-mime-split-ordinal)
641 (defun nndoc-dissect-mime-parts ()
642 "Go through a MIME composite article and partition it into sub-articles.
643 When a MIME entity contains sub-entities, dissection produces one article for
644 the header of this entity, and one article per sub-entity."
645 (setq nndoc-dissection-alist nil
646 nndoc-mime-split-ordinal 0)
648 (set-buffer nndoc-current-buffer)
649 (nndoc-dissect-mime-parts-sub (point-min) (point-max) nil nil nil)))
651 (defun nndoc-dissect-mime-parts-sub (head-begin body-end article-insert
653 "Dissect an entity, within a composite MIME message.
654 The complete message or MIME entity extends from HEAD-BEGIN to BODY-END.
655 ARTICLE-INSERT should be added at beginning for generating a full article.
656 The string POSITION holds a dotted decimal representation of the article
657 position in the hierarchical structure, it is nil for the outer entity.
658 PARENT is the message-ID of the parent summary line, or nil for none."
659 (let ((case-fold-search t)
660 (message-id (nnmail-message-id))
661 head-end body-begin summary-insert message-rfc822 multipart-any
662 subject content-type type subtype boundary-regexp)
663 ;; Gracefully handle a missing body.
664 (goto-char head-begin)
665 (if (search-forward "\n\n" body-end t)
666 (setq head-end (1- (point))
668 (setq head-end body-end
669 body-begin body-end))
670 (narrow-to-region head-begin head-end)
671 ;; Save MIME attributes.
672 (goto-char head-begin)
673 (setq content-type (message-fetch-field "Content-Type"))
676 "^ *\\([^ \t\n/;]+\\)/\\([^ \t\n/;]+\\)" content-type)
677 (setq type (downcase (match-string 1 content-type))
678 subtype (downcase (match-string 2 content-type))
679 message-rfc822 (and (string= type "message")
680 (string= subtype "rfc822"))
681 multipart-any (string= type "multipart")))
682 (when (string-match ";[ \t\n]*name=\\([^ \t\n;]+\\)" content-type)
683 (setq subject (match-string 1 content-type)))
684 (when (string-match "boundary=\"?\\([^\"\n]*[^\" \t\n]\\)" content-type)
685 (setq boundary-regexp (concat "^--"
687 (match-string 1 content-type))
688 "\\(--\\)?[ \t]*\n"))))
690 (when (or multipart-any (not article-insert))
691 (setq subject (message-fetch-field "Subject"))))
695 ;; Prepare the article and summary inserts.
696 (unless article-insert
697 (setq article-insert (buffer-substring (point-min) (point-max))
698 head-end head-begin))
699 (setq summary-insert article-insert)
700 ;; - summary Subject.
702 (let ((line (concat "Subject: <" position
703 (and position multipart-any ".")
704 (and multipart-any "*")
705 (and (or position multipart-any) " ")
706 (cond ((string= subtype "plain") type)
707 ((string= subtype "basic") type)
713 (if (string-match "Subject:.*\n\\([ \t].*\n\\)*" summary-insert)
714 (replace-match line t t summary-insert)
715 (concat summary-insert line))))
716 ;; - summary Message-ID.
718 (let ((line (concat "Message-ID: " message-id "\n")))
719 (if (string-match "Message-ID:.*\n\\([ \t].*\n\\)*" summary-insert)
720 (replace-match line t t summary-insert)
721 (concat summary-insert line))))
722 ;; - summary References.
725 (let ((line (concat "References: " parent "\n")))
726 (if (string-match "References:.*\n\\([ \t].*\n\\)*"
728 (replace-match line t t summary-insert)
729 (concat summary-insert line)))))
730 ;; Generate dissection information for this entity.
731 (push (list (incf nndoc-mime-split-ordinal)
732 head-begin head-end body-begin body-end
733 (count-lines body-begin body-end)
734 article-insert summary-insert)
735 nndoc-dissection-alist)
736 ;; Recurse for all sub-entities, if any.
741 (nndoc-dissect-mime-parts-sub body-begin body-end nil
742 position message-id)))
743 ((and multipart-any boundary-regexp)
744 (let ((part-counter 0)
745 part-begin part-end eof-flag)
746 (while (string-match "\
747 ^\\(Lines\\|Content-\\(Type\\|Transfer-Encoding\\)\\):.*\n\\([ \t].*\n\\)*"
749 (setq article-insert (replace-match "" t t article-insert)))
750 (let ((case-fold-search nil))
751 (goto-char body-begin)
752 (setq eof-flag (not (re-search-forward boundary-regexp body-end t)))
753 (while (not eof-flag)
754 (setq part-begin (point))
755 (cond ((re-search-forward boundary-regexp body-end t)
756 (or (not (match-string 1))
757 (string= (match-string 1) "")
760 (setq part-end (point))
762 (t (setq part-end body-end
765 (nndoc-dissect-mime-parts-sub
766 part-begin part-end article-insert
769 (format "%d" (incf part-counter)))
773 (defun nndoc-add-type (definition &optional position)
774 "Add document DEFINITION to the list of nndoc document definitions.
775 If POSITION is nil or `last', the definition will be added
776 as the last checked definition, if t or `first', add as the
777 first definition, and if any other symbol, add after that
778 symbol in the alist."
779 ;; First remove any old instances.
780 (gnus-pull (car definition) nndoc-type-alist)
781 ;; Then enter the new definition in the proper place.
783 ((or (null position) (eq position 'last))
784 (setq nndoc-type-alist (nconc nndoc-type-alist (list definition))))
785 ((or (eq position t) (eq position 'first))
786 (push definition nndoc-type-alist))
788 (let ((list (memq (assq position nndoc-type-alist)
791 (error "No such position: %s" position))
792 (setcdr list (cons definition (cdr list)))))))
796 ;;; nndoc.el ends here