1 ;;; mime-view.el --- interactive MIME viewer for GNU Emacs
3 ;; Copyright (C) 1995,1996,1997 Free Software Foundation, Inc.
5 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
7 ;; Renamed: 1994/8/31 from tm-body.el
8 ;; Renamed: 1997/02/19 from tm-view.el
9 ;; Version: $Revision: 0.33 $
10 ;; Keywords: MIME, multimedia, mail, news
12 ;; This file is part of SEMI (SEMI is Emacs MIME Interfaces).
14 ;; This program is free software; you can redistribute it and/or
15 ;; modify it under the terms of the GNU General Public License as
16 ;; published by the Free Software Foundation; either version 2, or (at
17 ;; your option) any later version.
19 ;; This program is distributed in the hope that it will be useful, but
20 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
21 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 ;; General Public License for more details.
24 ;; You should have received a copy of the GNU General Public License
25 ;; along with GNU Emacs; see the file COPYING. If not, write to the
26 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
27 ;; Boston, MA 02111-1307, USA.
34 (require 'eword-decode)
42 (defconst mime-view-RCS-ID
43 "$Id: mime-view.el,v 0.33 1997-03-17 11:52:19 morioka Exp $")
45 (defconst mime-view-version (get-version-string mime-view-RCS-ID))
51 (defvar mime/content-decoding-condition
52 '(((type . "text/plain")
53 (method "tm-plain" nil 'file 'type 'encoding 'mode 'name)
57 (method "tm-html" nil 'file 'type 'encoding 'mode 'name)
60 ((type . "text/x-rot13-47")
61 (method . mime-article/decode-caesar)
64 ((type . "audio/basic")
65 (method "tm-au" nil 'file 'type 'encoding 'mode 'name)
69 ((type . "image/jpeg")
70 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
74 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
77 ((type . "image/tiff")
78 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
81 ((type . "image/x-tiff")
82 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
85 ((type . "image/x-xbm")
86 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
89 ((type . "image/x-pic")
90 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
93 ((type . "image/x-mag")
94 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
98 ((type . "video/mpeg")
99 (method "tm-mpeg" nil 'file 'type 'encoding 'mode 'name)
103 ((type . "application/postscript")
104 (method "tm-ps" nil 'file 'type 'encoding 'mode 'name)
105 (mode "play" "print")
107 ((type . "application/octet-stream")
108 (method "tm-file" nil 'file 'type 'encoding 'mode 'name)
109 (mode "play" "print")
112 ;;((type . "message/external-body")
113 ;; (method "xterm" nil
114 ;; "-e" "showexternal"
115 ;; 'file '"access-type" '"name" '"site" '"directory"))
116 ((type . "message/rfc822")
117 (method . mime-article/view-message/rfc822)
120 ((type . "message/partial")
121 (method . mime-article/decode-message/partial)
124 ((type . "message/external-body")
125 ("access-type" . "anon-ftp")
126 (method . mime-article/decode-message/external-ftp)
129 ((method "metamail" t "-m" "tm" "-x" "-d" "-z" "-e" 'file)
132 ((method "tm-file" nil 'file 'type 'encoding 'mode 'name)
137 (defvar mime-view-childrens-header-showing-Content-Type-list
138 '("message/rfc822" "message/news"))
140 (defvar mime-view-visible-media-type-list
141 '("text/plain" nil "text/richtext" "text/enriched"
142 "text/rfc822-headers"
143 "text/x-latex" "application/x-latex"
144 "message/delivery-status"
145 "application/pgp" "text/x-pgp"
146 "application/octet-stream"
147 "application/x-selection" "application/x-comment")
148 "*List of media-types to be able to display in MIME-View buffer.
149 Each elements are string of TYPE/SUBTYPE, e.g. \"text/plain\".")
151 (defvar mime-view-content-button-ignored-ctype-list
152 '("application/x-selection"))
154 (defvar mime-view-content-button-visible-ctype-list
155 '("application/pgp"))
157 (defvar mime-view-uuencode-encoding-name-list '("x-uue" "x-uuencode"))
159 (defvar mime-view-ignored-field-list
160 '(".*Received" ".*Path" ".*Id" "References"
161 "Replied" "Errors-To"
162 "Lines" "Sender" ".*Host" "Xref"
163 "Content-Type" "Precedence"
165 "All fields that match this list will be hidden in MIME preview buffer.
166 Each elements are regexp of field-name. [mime-view.el]")
168 (defvar mime-view-ignored-field-regexp
170 (apply (function regexp-or) mime-view-ignored-field-list)
173 (defvar mime-view-visible-field-list
174 '("Dnas.*" "Message-Id")
175 "All fields that match this list will be displayed in MIME preview buffer.
176 Each elements are regexp of field-name. [mime-view.el]")
178 (defvar mime-view-visible-field-regexp
180 (apply (function regexp-or) mime-view-visible-field-list)
183 (defvar mime-view-redisplay nil)
185 (defvar mime-view-announcement-for-message/partial
186 (if (and (>= emacs-major-version 19) window-system)
188 \[[ This is message/partial style split message. ]]
189 \[[ Please press `v' key in this buffer ]]
190 \[[ or click here by mouse button-2. ]]"
192 \[[ This is message/partial style split message. ]]
193 \[[ Please press `v' key in this buffer. ]]"
197 ;;; @@ predicate functions
200 (defun mime-view-header-visible-p (rcnum cinfo &optional ctype)
204 (mime::content-info/type
205 (mime-article/rcnum-to-cinfo (cdr rcnum) cinfo)
207 (member ctype mime-view-childrens-header-showing-Content-Type-list)
210 (defun mime-view-body-visible-p (rcnum cinfo &optional ctype)
214 (mime::content-info/type
215 (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
218 (and (member ctype mime-view-visible-media-type-list)
219 (if (string-equal ctype "application/octet-stream")
222 (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
224 (member (mime::content-info/encoding ccinfo)
225 '(nil "7bit" "8bit"))
231 ;;; @@ content button
234 (defun mime-preview/insert-content-button
235 (rcnum cinfo ctype params subj encoding)
237 (narrow-to-region (point)(point))
238 (let ((access-type (assoc "access-type" params))
239 (charset (assoc "charset" params))
240 (num (or (cdr (assoc "x-part-number" params))
244 (format "%s" (1+ num))
250 (let ((server (assoc "server" params)))
251 (setq access-type (cdr access-type))
253 (insert (format "[%s %s ([%s] %s)]\n" num subj
254 access-type (cdr server)))
255 (let ((site (cdr (assoc "site" params)))
256 (dir (cdr (assoc "directory" params)))
258 (insert (format "[%s %s ([%s] %s:%s)]\n" num subj
259 access-type site dir))
263 (insert (concat "[" num " " subj))
265 (if (setq charset (cdr charset))
267 (format " <%s; %s (%s)>]\n"
268 ctype charset encoding)
269 (format " <%s; %s>]\n" ctype charset)
271 (format " <%s>]\n" ctype)
273 (if (>= (+ (current-column)(length rest))(window-width))
274 (setq rest (concat "\n\t" rest))
278 (mime-add-button (point-min)(1- (point-max))
279 (function mime-play-entity))
282 (defun mime-preview/default-content-button-function
283 (rcnum cinfo ctype params subj encoding)
284 (if (and (consp rcnum)
287 mime-view-content-button-ignored-ctype-list)))
288 (mime-preview/insert-content-button
289 rcnum cinfo ctype params subj encoding)
292 (defvar mime-preview/content-button-function
293 (function mime-preview/default-content-button-function))
296 ;;; @@ content header filter
299 (defun mime-preview/cut-header ()
300 (goto-char (point-min))
302 (re-search-forward mime-view-ignored-field-regexp nil t)
303 (let* ((beg (match-beginning 0))
305 (name (buffer-substring beg end))
307 (if (not (string-match mime-view-visible-field-regexp name))
312 (re-search-forward "^\\([^ \t]\\|$\\)" nil t)
319 (defun mime-view-default-content-header-filter ()
320 (mime-preview/cut-header)
321 (eword-decode-header)
324 (defvar mime-view-content-header-filter-alist nil)
327 ;;; @@ content filter
330 (defvar mime-view-content-filter-alist
331 '(("text/enriched" . mime-preview/filter-for-text/enriched)
332 ("text/richtext" . mime-preview/filter-for-text/richtext)
333 (t . mime-preview/filter-for-text/plain)
337 ;;; @@ content separator
340 (defun mime-preview/default-content-separator (rcnum cinfo ctype params subj)
341 (if (and (not (mime-view-header-visible-p rcnum cinfo ctype))
342 (not (mime-view-body-visible-p rcnum cinfo ctype))
345 (goto-char (point-max))
350 ;;; @@ buffer local variables
353 ;;; @@@ in raw buffer
356 (make-variable-buffer-local 'mime::article/content-info)
358 (defvar mime::article/preview-buffer nil)
359 (make-variable-buffer-local 'mime::article/preview-buffer)
362 ;;; @@@ in view buffer
365 (make-variable-buffer-local 'mime::preview/mother-buffer)
366 (make-variable-buffer-local 'mime::preview/content-list)
368 (defvar mime::preview/article-buffer nil)
369 (make-variable-buffer-local 'mime::preview/article-buffer)
371 (make-variable-buffer-local 'mime::preview/original-major-mode)
372 (make-variable-buffer-local 'mime::preview/original-window-configuration)
375 ;;; @@ quitting method
378 (defvar mime-view-quitting-method-alist
379 '((mime/show-message-mode
380 . mime-view-quitting-method-for-mime/show-message-mode)))
382 (defvar mime-view-over-to-previous-method-alist nil)
383 (defvar mime-view-over-to-next-method-alist nil)
385 (defvar mime-view-show-summary-method nil)
388 ;;; @@ following method
391 (defvar mime-view-following-method-alist nil)
393 (defvar mime-view-following-required-fields-list
400 ;; hack from Gnus 5.0.4.
402 (defvar mime-view-x-face-to-pbm-command
403 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm")
405 (defvar mime-view-x-face-command
406 (concat mime-view-x-face-to-pbm-command
408 "String to be executed to display an X-Face field.
409 The command will be executed in a sub-shell asynchronously.
410 The compressed face will be piped to this command.")
412 (defun mime-view-x-face-function ()
413 "Function to display X-Face field. You can redefine to customize."
414 ;; 1995/10/12 (c.f. tm-eng:130)
415 ;; fixed by Eric Ding <ericding@San-Jose.ate.slb.com>
417 (narrow-to-region (point-min) (re-search-forward "^$" nil t))
419 (goto-char (point-min))
420 (if (re-search-forward "^X-Face:[ \t]*" nil t)
421 (let ((beg (match-end 0))
422 (end (std11-field-end))
424 (call-process-region beg end "sh" nil 0 nil
425 "-c" mime-view-x-face-command)
432 (defun mime-preview/get-original-major-mode ()
433 (if mime::preview/mother-buffer
435 (set-buffer mime::preview/mother-buffer)
436 (mime-preview/get-original-major-mode)
438 mime::preview/original-major-mode))
441 ;;; @ data structures
444 ;;; @@ preview-content-info
447 (define-structure mime::preview-content-info
448 point-min point-max buffer content-info)
454 (defun mime-view-setup-buffer (&optional ctl encoding ibuf obuf)
460 (or mime-view-redisplay
461 (setq mime::article/content-info (mime-parse-message ctl encoding))
463 (let ((ret (mime-view-make-preview-buffer obuf)))
464 (setq mime::article/preview-buffer (car ret))
467 (defun mime-view-make-preview-buffer (&optional obuf)
468 (let* ((cinfo mime::article/content-info)
469 (pcl (mime/flatten-content-info cinfo))
470 (dest (make-list (length pcl) nil))
471 (the-buf (current-buffer))
475 (setq obuf (concat "*Preview-" (buffer-name the-buf) "*")))
476 (set-buffer (get-buffer-create obuf))
477 (setq buffer-read-only nil)
480 (setq mime::preview/article-buffer the-buf)
481 (setq mime::preview/original-major-mode mode)
482 (setq major-mode 'mime-view-mode)
483 (setq mode-name "MIME-View")
487 (mime-preview/display-content (car pcl) cinfo the-buf obuf))
491 (set-buffer-modified-p nil)
492 (setq buffer-read-only t)
497 (defun mime-preview/display-content (content cinfo ibuf obuf)
498 (let* ((beg (mime::content-info/point-min content))
499 (end (mime::content-info/point-max content))
500 (ctype (mime::content-info/type content))
501 (params (mime::content-info/parameters content))
502 (encoding (mime::content-info/encoding content))
503 (rcnum (mime::content-info/rcnum content))
507 (setq he (if (re-search-forward "^$" nil t)
514 (narrow-to-region beg end)
517 (mime-article/get-subject params encoding)))
521 (narrow-to-region nb nb)
522 (funcall mime-preview/content-button-function
523 rcnum cinfo ctype params subj encoding)
524 (if (mime-view-header-visible-p rcnum cinfo ctype)
525 (mime-preview/display-header beg he)
527 (if (and (null rcnum)
529 ctype mime-view-content-button-visible-ctype-list))
531 (goto-char (point-max))
532 (mime-preview/insert-content-button
533 rcnum cinfo ctype params subj encoding)
535 (cond ((mime-view-body-visible-p rcnum cinfo ctype)
536 (mime-preview/display-body he end
537 rcnum cinfo ctype params subj encoding)
539 ((equal ctype "message/partial")
540 (mime-preview/display-message/partial)
543 (null (mime::content-info/children cinfo))
545 (goto-char (point-max))
546 (mime-preview/insert-content-button
547 rcnum cinfo ctype params subj encoding)
549 (mime-preview/default-content-separator rcnum cinfo ctype params subj)
552 (setq ne (point-max))
554 (mime::preview-content-info/create nb (1- ne) ibuf content)
559 (defun mime-preview/display-header (beg end)
561 (narrow-to-region (point)(point))
562 (insert-buffer-substring mime::preview/article-buffer beg end)
563 (let ((f (cdr (assq mime::preview/original-major-mode
564 mime-view-content-header-filter-alist))))
567 (mime-view-default-content-header-filter)
569 (run-hooks 'mime-view-content-header-filter-hook)
572 (defun mime-preview/display-body (beg end
573 rcnum cinfo ctype params subj encoding)
575 (narrow-to-region (point-max)(point-max))
576 (insert-buffer-substring mime::preview/article-buffer beg end)
577 (let ((f (cdr (or (assoc ctype mime-view-content-filter-alist)
578 (assq t mime-view-content-filter-alist)))))
580 (funcall f ctype params encoding)
584 (defun mime-preview/display-message/partial ()
586 (goto-char (point-max))
587 (if (not (search-backward "\n\n" nil t))
590 (let ((be (point-max)))
591 (narrow-to-region be be)
592 (insert mime-view-announcement-for-message/partial)
593 (mime-add-button (point-min)(point-max)
594 (function mime-play-entity))
597 (defun mime-article/get-uu-filename (param &optional encoding)
598 (if (member (or encoding
599 (cdr (assq 'encoding param))
601 mime-view-uuencode-encoding-name-list)
603 (or (if (re-search-forward "^begin [0-9]+ " nil t)
604 (if (looking-at ".+$")
605 (buffer-substring (match-beginning 0)(match-end 0))
610 (defun mime-article/get-subject (param &optional encoding)
611 (or (std11-find-field-body '("Content-Description" "Subject"))
613 (if (or (and (setq ret (mime/Content-Disposition))
614 (setq ret (assoc "filename" (cdr ret)))
616 (setq ret (assoc "name" param))
617 (setq ret (assoc "x-name" param))
619 (std11-strip-quoted-string (cdr ret))
621 (mime-article/get-uu-filename param encoding)
625 ;;; @ content information
628 (defun mime-article/point-content-number (p &optional cinfo)
630 (setq cinfo mime::article/content-info)
632 (let ((b (mime::content-info/point-min cinfo))
633 (e (mime::content-info/point-max cinfo))
634 (c (mime::content-info/children cinfo))
636 (if (and (<= b p)(<= p e))
637 (or (let (co ret (sn 0))
641 (setq ret (mime-article/point-content-number p co))
642 (cond ((eq ret t) (throw 'tag (list sn)))
643 (ret (throw 'tag (cons sn ret)))
650 (defun mime-article/rcnum-to-cinfo (rcnum &optional cinfo)
652 (setq cinfo mime::article/content-info)
656 (equal (mime::content-info/rcnum ci) rcnum)
658 (mime/flatten-content-info cinfo)
661 (defun mime-article/cnum-to-cinfo (cn &optional cinfo)
663 (setq cinfo mime::article/content-info)
670 (let ((rc (nth sn (mime::content-info/children cinfo))))
672 (mime-article/cnum-to-cinfo (cdr cn) rc)
676 (defun mime/flatten-content-info (&optional cinfo)
678 (setq cinfo mime::article/content-info)
680 (let ((dest (list cinfo))
681 (rcl (mime::content-info/children cinfo))
684 (setq dest (nconc dest (mime/flatten-content-info (car rcl))))
689 (defun mime-preview/point-pcinfo (p &optional pcl)
691 (setq pcl mime::preview/content-list)
697 (if (and (<= (mime::preview-content-info/point-min cell) p)
698 (<= p (mime::preview-content-info/point-max cell))
708 ;;; @ MIME viewer mode
711 (defconst mime-view-menu-title "MIME-View")
712 (defconst mime-view-menu-list
713 '((up "Move to upper content" mime-view-up-content)
714 (previous "Move to previous content" mime-view-previous-content)
715 (next "Move to next content" mime-view-next-content)
716 (scroll-down "Scroll to previous content" mime-view-scroll-down-content)
717 (scroll-up "Scroll to next content" mime-view-scroll-up-content)
718 (play "Play Content" mime-play-entity)
719 (extract "Extract Content" mime-extract-entity)
720 (print "Print" mime-print-entity)
721 (x-face "Show X Face" mime-view-display-x-face)
723 "Menu for MIME Viewer")
725 (cond (running-xemacs
726 (defvar mime-view-xemacs-popup-menu
727 (cons mime-view-menu-title
730 (vector (nth 1 item)(nth 2 item) t)
732 mime-view-menu-list)))
733 (defun mime-view-xemacs-popup-menu (event)
734 "Popup the menu in the MIME Viewer buffer"
736 (select-window (event-window event))
737 (set-buffer (event-buffer event))
738 (popup-menu 'mime-view-xemacs-popup-menu))
739 (defvar mouse-button-2 'button2)
742 (defvar mouse-button-2 [mouse-2])
745 (defun mime-view-define-keymap (&optional default)
746 (let ((mime-view-mode-map (if (keymapp default)
747 (copy-keymap default)
750 (define-key mime-view-mode-map
751 "u" (function mime-view-up-content))
752 (define-key mime-view-mode-map
753 "p" (function mime-view-previous-content))
754 (define-key mime-view-mode-map
755 "n" (function mime-view-next-content))
756 (define-key mime-view-mode-map
757 "\e\t" (function mime-view-previous-content))
758 (define-key mime-view-mode-map
759 "\t" (function mime-view-next-content))
760 (define-key mime-view-mode-map
761 " " (function mime-view-scroll-up-content))
762 (define-key mime-view-mode-map
763 "\M- " (function mime-view-scroll-down-content))
764 (define-key mime-view-mode-map
765 "\177" (function mime-view-scroll-down-content))
766 (define-key mime-view-mode-map
767 "\C-m" (function mime-view-next-line-content))
768 (define-key mime-view-mode-map
769 "\C-\M-m" (function mime-view-previous-line-content))
770 (define-key mime-view-mode-map
771 "v" (function mime-play-entity))
772 (define-key mime-view-mode-map
773 "e" (function mime-extract-entity))
774 (define-key mime-view-mode-map
775 "\C-c\C-p" (function mime-print-entity))
776 (define-key mime-view-mode-map
777 "a" (function mime-view-follow-content))
778 (define-key mime-view-mode-map
779 "q" (function mime-view-quit))
780 (define-key mime-view-mode-map
781 "h" (function mime-view-show-summary))
782 (define-key mime-view-mode-map
783 "\C-c\C-x" (function mime-view-kill-buffer))
784 (define-key mime-view-mode-map
785 "<" (function beginning-of-buffer))
786 (define-key mime-view-mode-map
787 ">" (function end-of-buffer))
788 (define-key mime-view-mode-map
789 "?" (function describe-mode))
790 (if (functionp default)
791 (setq mime-view-mode-map
792 (append mime-view-mode-map (list (cons t default)))
795 (define-key mime-view-mode-map
796 mouse-button-2 (function mime-button-dispatcher))
798 (cond (running-xemacs
799 (define-key mime-view-mode-map
800 mouse-button-3 (function mime-view-xemacs-popup-menu))
802 ((>= emacs-major-version 19)
803 (define-key mime-view-mode-map [menu-bar mime-view]
804 (cons mime-view-menu-title
805 (make-sparse-keymap mime-view-menu-title)))
808 (define-key mime-view-mode-map
809 (vector 'menu-bar 'mime-view (car item))
810 (cons (nth 1 item)(nth 2 item))
813 (reverse mime-view-menu-list)
816 (use-local-map mime-view-mode-map)
817 (run-hooks 'mime-view-define-keymap-hook)
820 (defun mime-view-mode (&optional mother ctl encoding ibuf obuf
821 default-keymap-or-function)
822 "Major mode for viewing MIME message.
824 Here is a list of the standard keys for mime-view-mode.
829 u Move to upper content
830 p or M-TAB Move to previous content
831 n or TAB Move to next content
832 SPC Scroll up or move to next content
833 M-SPC or DEL Scroll down or move to previous content
834 RET Move to next line
835 M-RET Move to previous line
836 v Decode current content as `play mode'
837 e Decode current content as `extract mode'
838 C-c C-p Decode current content as `print mode'
839 a Followup to current content.
842 button-2 Move to point under the mouse cursor
843 and decode current content as `play mode'
846 (let ((buf (get-buffer mime/output-buffer-name)))
852 (let ((ret (mime-view-setup-buffer ctl encoding ibuf obuf))
853 (win-conf (current-window-configuration))
856 (switch-to-buffer (car ret))
857 (setq mime::preview/original-window-configuration win-conf)
860 (setq mime::preview/mother-buffer mother)
862 (mime-view-define-keymap default-keymap-or-function)
863 (setq mime::preview/content-list (nth 1 ret))
865 (let ((ce (mime::preview-content-info/point-max
866 (car mime::preview/content-list)
869 (goto-char (point-min))
870 (search-forward "\n\n" nil t)
871 (setq e (match-end 0))
875 (run-hooks 'mime-view-mode-hook)
878 (defun mime-preview/point-content-number (point)
879 (save-window-excursion
880 (let ((pc (mime-preview/point-pcinfo (point)))
882 (switch-to-buffer (mime::preview-content-info/buffer pc))
883 (setq cinfo (mime::preview-content-info/content-info pc))
884 (mime-article/point-content-number (mime::content-info/point-min cinfo))
887 (defun mime-preview/cinfo-to-pcinfo (cinfo)
888 (let ((rpcl mime::preview/content-list) cell)
891 (setq cell (car rpcl))
892 (if (eq cinfo (mime::preview-content-info/content-info cell))
895 (setq rpcl (cdr rpcl))
898 (autoload 'mime-play-entity "mime-play")
900 (defun mime-extract-entity ()
902 (mime-play-entity "extract")
905 (defun mime-print-entity ()
907 (mime-play-entity "print")
910 (defun mime-view-follow-content ()
913 (mime::preview-content-info/content-info
914 (car mime::preview/content-list)))
915 pc p-beg p-end cinfo rcnum)
916 (let ((rest mime::preview/content-list)
919 (while (setq cell (car rest))
920 (setq b (mime::preview-content-info/point-min cell)
921 e (mime::preview-content-info/point-max cell))
922 (setq rest (cdr rest))
923 (if (and (<= b (point))(<= (point) e))
929 cinfo (mime::preview-content-info/content-info pc)
930 rcnum (mime::content-info/rcnum cinfo))
931 (setq len (length rcnum))
932 (setq p-beg (mime::preview-content-info/point-min pc)
933 p-end (mime::preview-content-info/point-max pc))
934 (while (and (setq cell (car rest))
937 (mime::content-info/rcnum
938 (mime::preview-content-info/content-info
941 (nthcdr (- (length rc) len) rc))
943 (setq p-end (mime::preview-content-info/point-max cell))
944 (setq rest (cdr rest))
947 (let* ((mode (mime-preview/get-original-major-mode))
948 (new-name (format "%s-%s" (buffer-name) (reverse rcnum)))
950 (the-buf (current-buffer))
951 (a-buf mime::preview/article-buffer)
954 (set-buffer (setq new-buf (get-buffer-create new-name)))
956 (insert-buffer-substring the-buf p-beg p-end)
957 (goto-char (point-min))
958 (if (mime-view-header-visible-p rcnum root-cinfo)
959 (delete-region (goto-char (point-min))
960 (if (re-search-forward "^$" nil t)
964 (goto-char (point-min))
966 (goto-char (point-min))
967 (let ((rcnum (mime::content-info/rcnum cinfo)) ci str)
972 (setq ci (mime-article/rcnum-to-cinfo rcnum))
975 (mime::content-info/point-min ci)
976 (mime::content-info/point-max ci)
978 (std11-header-string-except
980 (apply (function regexp-or) fields)
982 (if (string= (mime::content-info/type ci)
989 (setq fields (std11-collect-field-names)
993 (let ((rest mime-view-following-required-fields-list))
995 (let ((field-name (car rest)))
996 (or (std11-field-body field-name)
1002 (set-buffer the-buf)
1003 (set-buffer mime::preview/mother-buffer)
1004 (set-buffer mime::preview/article-buffer)
1005 (std11-field-body field-name)
1009 (setq rest (cdr rest))
1011 (eword-decode-header)
1013 (let ((f (cdr (assq mode mime-view-following-method-alist))))
1018 "Sorry, following method for %s is not implemented yet."
1023 (defun mime-view-display-x-face ()
1025 (save-window-excursion
1026 (set-buffer mime::preview/article-buffer)
1027 (mime-view-x-face-function)
1030 (defun mime-view-up-content ()
1032 (let* ((pc (mime-preview/point-pcinfo (point)))
1033 (cinfo (mime::preview-content-info/content-info pc))
1034 (rcnum (mime::content-info/rcnum cinfo))
1037 (let ((r (save-excursion
1038 (set-buffer (mime::preview-content-info/buffer pc))
1039 (mime-article/rcnum-to-cinfo (cdr rcnum))
1041 (rpcl mime::preview/content-list)
1044 (setq cell (car rpcl))
1045 (not (eq r (mime::preview-content-info/content-info cell)))
1047 (setq rpcl (cdr rpcl))
1049 (goto-char (mime::preview-content-info/point-min cell))
1054 (defun mime-view-previous-content ()
1056 (let* ((pcl mime::preview/content-list)
1058 (i (- (length pcl) 1))
1062 (setq beg (mime::preview-content-info/point-min (nth i pcl)))
1064 (throw 'tag (goto-char beg))
1068 (let ((f (assq mime::preview/original-major-mode
1069 mime-view-over-to-previous-method-alist)))
1076 (defun mime-view-next-content ()
1078 (let ((pcl mime::preview/content-list)
1083 (setq beg (mime::preview-content-info/point-min (car pcl)))
1085 (throw 'tag (goto-char beg))
1087 (setq pcl (cdr pcl))
1089 (let ((f (assq mime::preview/original-major-mode
1090 mime-view-over-to-next-method-alist)))
1097 (defun mime-view-scroll-up-content (&optional h)
1100 (setq h (- (window-height) 1))
1102 (if (= (point) (point-max))
1103 (let ((f (assq mime::preview/original-major-mode
1104 mime-view-over-to-next-method-alist)))
1108 (let ((pcl mime::preview/content-list)
1114 (setq beg (mime::preview-content-info/point-min (car pcl)))
1118 (setq pcl (cdr pcl))
1129 (defun mime-view-scroll-down-content (&optional h)
1132 (setq h (- (window-height) 1))
1134 (if (= (point) (point-min))
1135 (let ((f (assq mime::preview/original-major-mode
1136 mime-view-over-to-previous-method-alist)))
1140 (let ((pcl mime::preview/content-list)
1144 (or (let ((i (- (length pcl) 1)))
1147 (setq beg (mime::preview-content-info/point-min
1155 (forward-line (- h))
1161 (defun mime-view-next-line-content ()
1163 (mime-view-scroll-up-content 1)
1166 (defun mime-view-previous-line-content ()
1168 (mime-view-scroll-down-content 1)
1171 (defun mime-view-quit ()
1173 (let ((r (save-excursion
1174 (set-buffer (mime::preview-content-info/buffer
1175 (mime-preview/point-pcinfo (point))))
1176 (assq major-mode mime-view-quitting-method-alist)
1182 (defun mime-view-show-summary ()
1184 (let ((r (save-excursion
1186 (mime::preview-content-info/buffer
1187 (mime-preview/point-pcinfo (point)))
1189 (assq major-mode mime-view-show-summary-method)
1195 (defun mime-view-kill-buffer ()
1197 (kill-buffer (current-buffer))
1204 (provide 'mime-view)
1206 (run-hooks 'mime-view-load-hook)
1208 ;;; mime-view.el ends here