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: 0.34 $
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 0.34 1997-03-17 11:57:29 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" "Play current entity." t)
900 (defun mime-extract-entity ()
901 "Extract current entity into file (maybe).
902 It decodes current entity to call internal or external method as
903 \"extract\" mode. The method is selected from variable
904 `mime/content-decoding-condition'."
906 (mime-play-entity "extract")
909 (defun mime-print-entity ()
910 "Print current entity (maybe).
911 It decodes current entity to call internal or external method as
912 \"print\" mode. The method is selected from variable
913 `mime/content-decoding-condition'."
915 (mime-play-entity "print")
918 (defun mime-view-follow-content ()
921 (mime::preview-content-info/content-info
922 (car mime::preview/content-list)))
923 pc p-beg p-end cinfo rcnum)
924 (let ((rest mime::preview/content-list)
927 (while (setq cell (car rest))
928 (setq b (mime::preview-content-info/point-min cell)
929 e (mime::preview-content-info/point-max cell))
930 (setq rest (cdr rest))
931 (if (and (<= b (point))(<= (point) e))
937 cinfo (mime::preview-content-info/content-info pc)
938 rcnum (mime::content-info/rcnum cinfo))
939 (setq len (length rcnum))
940 (setq p-beg (mime::preview-content-info/point-min pc)
941 p-end (mime::preview-content-info/point-max pc))
942 (while (and (setq cell (car rest))
945 (mime::content-info/rcnum
946 (mime::preview-content-info/content-info
949 (nthcdr (- (length rc) len) rc))
951 (setq p-end (mime::preview-content-info/point-max cell))
952 (setq rest (cdr rest))
955 (let* ((mode (mime-preview/get-original-major-mode))
956 (new-name (format "%s-%s" (buffer-name) (reverse rcnum)))
958 (the-buf (current-buffer))
959 (a-buf mime::preview/article-buffer)
962 (set-buffer (setq new-buf (get-buffer-create new-name)))
964 (insert-buffer-substring the-buf p-beg p-end)
965 (goto-char (point-min))
966 (if (mime-view-header-visible-p rcnum root-cinfo)
967 (delete-region (goto-char (point-min))
968 (if (re-search-forward "^$" nil t)
972 (goto-char (point-min))
974 (goto-char (point-min))
975 (let ((rcnum (mime::content-info/rcnum cinfo)) ci str)
980 (setq ci (mime-article/rcnum-to-cinfo rcnum))
983 (mime::content-info/point-min ci)
984 (mime::content-info/point-max ci)
986 (std11-header-string-except
988 (apply (function regexp-or) fields)
990 (if (string= (mime::content-info/type ci)
997 (setq fields (std11-collect-field-names)
1001 (let ((rest mime-view-following-required-fields-list))
1003 (let ((field-name (car rest)))
1004 (or (std11-field-body field-name)
1010 (set-buffer the-buf)
1011 (set-buffer mime::preview/mother-buffer)
1012 (set-buffer mime::preview/article-buffer)
1013 (std11-field-body field-name)
1017 (setq rest (cdr rest))
1019 (eword-decode-header)
1021 (let ((f (cdr (assq mode mime-view-following-method-alist))))
1026 "Sorry, following method for %s is not implemented yet."
1031 (defun mime-view-display-x-face ()
1033 (save-window-excursion
1034 (set-buffer mime::preview/article-buffer)
1035 (mime-view-x-face-function)
1038 (defun mime-view-up-content ()
1040 (let* ((pc (mime-preview/point-pcinfo (point)))
1041 (cinfo (mime::preview-content-info/content-info pc))
1042 (rcnum (mime::content-info/rcnum cinfo))
1045 (let ((r (save-excursion
1046 (set-buffer (mime::preview-content-info/buffer pc))
1047 (mime-article/rcnum-to-cinfo (cdr rcnum))
1049 (rpcl mime::preview/content-list)
1052 (setq cell (car rpcl))
1053 (not (eq r (mime::preview-content-info/content-info cell)))
1055 (setq rpcl (cdr rpcl))
1057 (goto-char (mime::preview-content-info/point-min cell))
1062 (defun mime-view-previous-content ()
1064 (let* ((pcl mime::preview/content-list)
1066 (i (- (length pcl) 1))
1070 (setq beg (mime::preview-content-info/point-min (nth i pcl)))
1072 (throw 'tag (goto-char beg))
1076 (let ((f (assq mime::preview/original-major-mode
1077 mime-view-over-to-previous-method-alist)))
1084 (defun mime-view-next-content ()
1086 (let ((pcl mime::preview/content-list)
1091 (setq beg (mime::preview-content-info/point-min (car pcl)))
1093 (throw 'tag (goto-char beg))
1095 (setq pcl (cdr pcl))
1097 (let ((f (assq mime::preview/original-major-mode
1098 mime-view-over-to-next-method-alist)))
1105 (defun mime-view-scroll-up-content (&optional h)
1108 (setq h (- (window-height) 1))
1110 (if (= (point) (point-max))
1111 (let ((f (assq mime::preview/original-major-mode
1112 mime-view-over-to-next-method-alist)))
1116 (let ((pcl mime::preview/content-list)
1122 (setq beg (mime::preview-content-info/point-min (car pcl)))
1126 (setq pcl (cdr pcl))
1137 (defun mime-view-scroll-down-content (&optional h)
1140 (setq h (- (window-height) 1))
1142 (if (= (point) (point-min))
1143 (let ((f (assq mime::preview/original-major-mode
1144 mime-view-over-to-previous-method-alist)))
1148 (let ((pcl mime::preview/content-list)
1152 (or (let ((i (- (length pcl) 1)))
1155 (setq beg (mime::preview-content-info/point-min
1163 (forward-line (- h))
1169 (defun mime-view-next-line-content ()
1171 (mime-view-scroll-up-content 1)
1174 (defun mime-view-previous-line-content ()
1176 (mime-view-scroll-down-content 1)
1179 (defun mime-view-quit ()
1181 (let ((r (save-excursion
1182 (set-buffer (mime::preview-content-info/buffer
1183 (mime-preview/point-pcinfo (point))))
1184 (assq major-mode mime-view-quitting-method-alist)
1190 (defun mime-view-show-summary ()
1192 (let ((r (save-excursion
1194 (mime::preview-content-info/buffer
1195 (mime-preview/point-pcinfo (point)))
1197 (assq major-mode mime-view-show-summary-method)
1203 (defun mime-view-kill-buffer ()
1205 (kill-buffer (current-buffer))
1212 (provide 'mime-view)
1214 (run-hooks 'mime-view-load-hook)
1216 ;;; mime-view.el ends here