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: 0.46 $
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 0.46 1997-03-17 13:55:01 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-visible-ctype-list
152 '("application/pgp"))
154 (defvar mime-view-uuencode-encoding-name-list '("x-uue" "x-uuencode"))
156 (defvar mime-view-ignored-field-list
157 '(".*Received" ".*Path" ".*Id" "References"
158 "Replied" "Errors-To"
159 "Lines" "Sender" ".*Host" "Xref"
160 "Content-Type" "Precedence"
162 "All fields that match this list will be hidden in MIME preview buffer.
163 Each elements are regexp of field-name. [mime-view.el]")
165 (defvar mime-view-ignored-field-regexp
167 (apply (function regexp-or) mime-view-ignored-field-list)
170 (defvar mime-view-visible-field-list
171 '("Dnas.*" "Message-Id")
172 "All fields that match this list will be displayed in MIME preview buffer.
173 Each elements are regexp of field-name. [mime-view.el]")
175 (defvar mime-view-visible-field-regexp
177 (apply (function regexp-or) mime-view-visible-field-list)
180 (defvar mime-view-redisplay nil)
182 (defvar mime-view-announcement-for-message/partial
183 (if (and (>= emacs-major-version 19) window-system)
185 \[[ This is message/partial style split message. ]]
186 \[[ Please press `v' key in this buffer ]]
187 \[[ or click here by mouse button-2. ]]"
189 \[[ This is message/partial style split message. ]]
190 \[[ Please press `v' key in this buffer. ]]"
194 ;;; @@ predicate functions
197 (defun mime-view-header-visible-p (rcnum cinfo)
198 "Return non-nil if header of current entity is visible."
200 (member (mime::content-info/type
201 (mime-article/rcnum-to-cinfo (cdr rcnum) cinfo))
202 mime-view-childrens-header-showing-Content-Type-list)
205 (defun mime-view-body-visible-p (rcnum cinfo &optional ctype)
209 (mime::content-info/type
210 (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
213 (and (member ctype mime-view-visible-media-type-list)
214 (if (string-equal ctype "application/octet-stream")
217 (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
219 (member (mime::content-info/encoding ccinfo)
220 '(nil "7bit" "8bit"))
229 (defun mime-view-insert-entity-button (rcnum cinfo ctype params subj encoding)
230 "Insert entity-button."
232 (narrow-to-region (point)(point))
233 (let ((access-type (assoc "access-type" params))
234 (num (or (cdr (assoc "x-part-number" params))
238 (format "%s" (1+ num))
244 (let ((server (assoc "server" params)))
245 (setq access-type (cdr access-type))
247 (insert (format "[%s %s ([%s] %s)]\n" num subj
248 access-type (cdr server)))
249 (let ((site (cdr (assoc "site" params)))
250 (dir (cdr (assoc "directory" params)))
252 (insert (format "[%s %s ([%s] %s:%s)]\n" num subj
253 access-type site dir))
257 (let ((charset (cdr (assoc "charset" params))))
258 (insert (concat "[" num " " subj))
262 (concat "; " charset)
263 (if encoding (concat " (" encoding ")"))
266 (if (>= (+ (current-column)(length rest))(window-width))
272 (mime-add-button (point-min)(1- (point-max))
273 (function mime-view-play-current-entity))
276 (defun mime-view-entity-button-function
277 (rcnum cinfo ctype params subj encoding)
278 "Insert entity button conditionally."
280 (string= ctype "application/x-selection")
281 (and (string= ctype "application/octet-stream")
282 (string= (mime::content-info/type
283 (mime-article/rcnum-to-cinfo (cdr rcnum) cinfo))
284 "multipart/encrypted"))
285 (mime-view-insert-entity-button rcnum cinfo ctype params subj encoding)
289 ;;; @@ content header filter
292 (defun mime-preview/cut-header ()
293 (goto-char (point-min))
295 (re-search-forward mime-view-ignored-field-regexp nil t)
296 (let* ((beg (match-beginning 0))
298 (name (buffer-substring beg end))
300 (if (not (string-match mime-view-visible-field-regexp name))
305 (re-search-forward "^\\([^ \t]\\|$\\)" nil t)
312 (defun mime-view-default-content-header-filter ()
313 (mime-preview/cut-header)
314 (eword-decode-header)
317 (defvar mime-view-content-header-filter-alist nil)
320 ;;; @@ content filter
323 (defvar mime-view-content-filter-alist
324 '(("text/enriched" . mime-preview/filter-for-text/enriched)
325 ("text/richtext" . mime-preview/filter-for-text/richtext)
326 (t . mime-preview/filter-for-text/plain)
330 ;;; @@ content separator
333 (defun mime-view-entity-separator-function (rcnum cinfo ctype params subj)
334 (if (and (not (mime-view-header-visible-p rcnum cinfo))
335 (not (mime-view-body-visible-p rcnum cinfo ctype))
338 (goto-char (point-max))
343 ;;; @@ buffer local variables
346 ;;; @@@ in raw buffer
349 (make-variable-buffer-local 'mime::article/content-info)
351 (defvar mime::article/preview-buffer nil)
352 (make-variable-buffer-local 'mime::article/preview-buffer)
355 ;;; @@@ in view buffer
358 (make-variable-buffer-local 'mime::preview/mother-buffer)
359 (make-variable-buffer-local 'mime::preview/content-list)
361 (defvar mime::preview/article-buffer nil)
362 (make-variable-buffer-local 'mime::preview/article-buffer)
364 (make-variable-buffer-local 'mime::preview/original-major-mode)
365 (make-variable-buffer-local 'mime::preview/original-window-configuration)
368 ;;; @@ quitting method
371 (defvar mime-view-quitting-method-alist
372 '((mime/show-message-mode
373 . mime-view-quitting-method-for-mime/show-message-mode)))
375 (defvar mime-view-over-to-previous-method-alist nil)
376 (defvar mime-view-over-to-next-method-alist nil)
378 (defvar mime-view-show-summary-method nil)
381 ;;; @@ following method
384 (defvar mime-view-following-method-alist nil)
386 (defvar mime-view-following-required-fields-list
393 ;; hack from Gnus 5.0.4.
395 (defvar mime-view-x-face-to-pbm-command
396 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm")
398 (defvar mime-view-x-face-command
399 (concat mime-view-x-face-to-pbm-command
401 "String to be executed to display an X-Face field.
402 The command will be executed in a sub-shell asynchronously.
403 The compressed face will be piped to this command.")
405 (defun mime-view-x-face-function ()
406 "Function to display X-Face field. You can redefine to customize."
407 ;; 1995/10/12 (c.f. tm-eng:130)
408 ;; fixed by Eric Ding <ericding@San-Jose.ate.slb.com>
410 (narrow-to-region (point-min) (re-search-forward "^$" nil t))
412 (goto-char (point-min))
413 (if (re-search-forward "^X-Face:[ \t]*" nil t)
414 (let ((beg (match-end 0))
415 (end (std11-field-end))
417 (call-process-region beg end "sh" nil 0 nil
418 "-c" mime-view-x-face-command)
425 (defun mime-preview/get-original-major-mode ()
426 (if mime::preview/mother-buffer
428 (set-buffer mime::preview/mother-buffer)
429 (mime-preview/get-original-major-mode)
431 mime::preview/original-major-mode))
434 ;;; @ data structures
437 ;;; @@ preview-content-info
440 (define-structure mime::preview-content-info
441 point-min point-max buffer content-info)
447 (defun mime-view-setup-buffer (&optional ctl encoding ibuf obuf)
453 (or mime-view-redisplay
454 (setq mime::article/content-info (mime-parse-message ctl encoding))
456 (let ((ret (mime-view-make-preview-buffer obuf)))
457 (setq mime::article/preview-buffer (car ret))
460 (defun mime-view-make-preview-buffer (&optional obuf)
461 (let* ((cinfo mime::article/content-info)
462 (pcl (mime/flatten-content-info cinfo))
463 (dest (make-list (length pcl) nil))
464 (the-buf (current-buffer))
468 (setq obuf (concat "*Preview-" (buffer-name the-buf) "*")))
469 (set-buffer (get-buffer-create obuf))
470 (setq buffer-read-only nil)
473 (setq mime::preview/article-buffer the-buf)
474 (setq mime::preview/original-major-mode mode)
475 (setq major-mode 'mime-view-mode)
476 (setq mode-name "MIME-View")
480 (mime-preview/display-content (car pcl) cinfo the-buf obuf))
484 (set-buffer-modified-p nil)
485 (setq buffer-read-only t)
490 (defun mime-preview/display-content (content cinfo ibuf obuf)
491 (let* ((beg (mime::content-info/point-min content))
492 (end (mime::content-info/point-max content))
493 (ctype (mime::content-info/type content))
494 (params (mime::content-info/parameters content))
495 (encoding (mime::content-info/encoding content))
496 (rcnum (mime::content-info/rcnum content))
500 (setq he (if (re-search-forward "^$" nil t)
507 (narrow-to-region beg end)
510 (mime-article/get-subject params encoding)))
514 (narrow-to-region nb nb)
515 (mime-view-entity-button-function rcnum cinfo ctype params subj encoding)
516 (if (mime-view-header-visible-p rcnum cinfo)
517 (mime-preview/display-header beg he)
519 (if (and (null rcnum)
521 ctype mime-view-content-button-visible-ctype-list))
523 (goto-char (point-max))
524 (mime-view-insert-entity-button
525 rcnum cinfo ctype params subj encoding)
527 (cond ((mime-view-body-visible-p rcnum cinfo ctype)
528 (mime-preview/display-body he end
529 rcnum cinfo ctype params subj encoding)
531 ((equal ctype "message/partial")
532 (mime-preview/display-message/partial)
535 (null (mime::content-info/children cinfo))
537 (goto-char (point-max))
538 (mime-view-insert-entity-button
539 rcnum cinfo ctype params subj encoding)
541 (mime-view-entity-separator-function rcnum cinfo ctype params subj)
544 (setq ne (point-max))
546 (mime::preview-content-info/create nb (1- ne) ibuf content)
551 (defun mime-preview/display-header (beg end)
553 (narrow-to-region (point)(point))
554 (insert-buffer-substring mime::preview/article-buffer beg end)
555 (let ((f (cdr (assq mime::preview/original-major-mode
556 mime-view-content-header-filter-alist))))
559 (mime-view-default-content-header-filter)
561 (run-hooks 'mime-view-content-header-filter-hook)
564 (defun mime-preview/display-body (beg end
565 rcnum cinfo ctype params subj encoding)
567 (narrow-to-region (point-max)(point-max))
568 (insert-buffer-substring mime::preview/article-buffer beg end)
569 (let ((f (cdr (or (assoc ctype mime-view-content-filter-alist)
570 (assq t mime-view-content-filter-alist)))))
572 (funcall f ctype params encoding)
576 (defun mime-preview/display-message/partial ()
578 (goto-char (point-max))
579 (if (not (search-backward "\n\n" nil t))
582 (let ((be (point-max)))
583 (narrow-to-region be be)
584 (insert mime-view-announcement-for-message/partial)
585 (mime-add-button (point-min)(point-max)
586 (function mime-view-play-current-entity))
589 (defun mime-article/get-uu-filename (param &optional encoding)
590 (if (member (or encoding
591 (cdr (assq 'encoding param))
593 mime-view-uuencode-encoding-name-list)
595 (or (if (re-search-forward "^begin [0-9]+ " nil t)
596 (if (looking-at ".+$")
597 (buffer-substring (match-beginning 0)(match-end 0))
602 (defun mime-article/get-subject (param &optional encoding)
603 (or (std11-find-field-body '("Content-Description" "Subject"))
605 (if (or (and (setq ret (mime/Content-Disposition))
606 (setq ret (assoc "filename" (cdr ret)))
608 (setq ret (assoc "name" param))
609 (setq ret (assoc "x-name" param))
611 (std11-strip-quoted-string (cdr ret))
613 (mime-article/get-uu-filename param encoding)
617 ;;; @ content information
620 (defun mime-article/point-content-number (p &optional cinfo)
622 (setq cinfo mime::article/content-info)
624 (let ((b (mime::content-info/point-min cinfo))
625 (e (mime::content-info/point-max cinfo))
626 (c (mime::content-info/children cinfo))
628 (if (and (<= b p)(<= p e))
629 (or (let (co ret (sn 0))
633 (setq ret (mime-article/point-content-number p co))
634 (cond ((eq ret t) (throw 'tag (list sn)))
635 (ret (throw 'tag (cons sn ret)))
642 (defun mime-article/rcnum-to-cinfo (rcnum &optional cinfo)
644 (setq cinfo mime::article/content-info)
648 (equal (mime::content-info/rcnum ci) rcnum)
650 (mime/flatten-content-info cinfo)
653 (defun mime-article/cnum-to-cinfo (cn &optional cinfo)
655 (setq cinfo mime::article/content-info)
662 (let ((rc (nth sn (mime::content-info/children cinfo))))
664 (mime-article/cnum-to-cinfo (cdr cn) rc)
668 (defun mime/flatten-content-info (&optional cinfo)
670 (setq cinfo mime::article/content-info)
672 (let ((dest (list cinfo))
673 (rcl (mime::content-info/children cinfo))
676 (setq dest (nconc dest (mime/flatten-content-info (car rcl))))
681 (defun mime-preview/point-pcinfo (p &optional pcl)
683 (setq pcl mime::preview/content-list)
689 (if (and (<= (mime::preview-content-info/point-min cell) p)
690 (<= p (mime::preview-content-info/point-max cell))
700 ;;; @ MIME viewer mode
703 (defconst mime-view-menu-title "MIME-View")
704 (defconst mime-view-menu-list
705 '((up "Move to upper content" mime-view-up-content)
706 (previous "Move to previous content" mime-view-previous-content)
707 (next "Move to next content" mime-view-next-content)
708 (scroll-down "Scroll to previous content" mime-view-scroll-down-content)
709 (scroll-up "Scroll to next content" mime-view-scroll-up-content)
710 (play "Play Content" mime-view-play-current-entity)
711 (extract "Extract Content" mime-view-extract-current-entity)
712 (print "Print" mime-view-print-current-entity)
713 (x-face "Show X Face" mime-view-display-x-face)
715 "Menu for MIME Viewer")
717 (cond (running-xemacs
718 (defvar mime-view-xemacs-popup-menu
719 (cons mime-view-menu-title
722 (vector (nth 1 item)(nth 2 item) t)
724 mime-view-menu-list)))
725 (defun mime-view-xemacs-popup-menu (event)
726 "Popup the menu in the MIME Viewer buffer"
728 (select-window (event-window event))
729 (set-buffer (event-buffer event))
730 (popup-menu 'mime-view-xemacs-popup-menu))
731 (defvar mouse-button-2 'button2)
734 (defvar mouse-button-2 [mouse-2])
737 (defun mime-view-define-keymap (&optional default)
738 (let ((mime-view-mode-map (if (keymapp default)
739 (copy-keymap default)
742 (define-key mime-view-mode-map
743 "u" (function mime-view-up-content))
744 (define-key mime-view-mode-map
745 "p" (function mime-view-previous-content))
746 (define-key mime-view-mode-map
747 "n" (function mime-view-next-content))
748 (define-key mime-view-mode-map
749 "\e\t" (function mime-view-previous-content))
750 (define-key mime-view-mode-map
751 "\t" (function mime-view-next-content))
752 (define-key mime-view-mode-map
753 " " (function mime-view-scroll-up-content))
754 (define-key mime-view-mode-map
755 "\M- " (function mime-view-scroll-down-content))
756 (define-key mime-view-mode-map
757 "\177" (function mime-view-scroll-down-content))
758 (define-key mime-view-mode-map
759 "\C-m" (function mime-view-next-line-content))
760 (define-key mime-view-mode-map
761 "\C-\M-m" (function mime-view-previous-line-content))
762 (define-key mime-view-mode-map
763 "v" (function mime-view-play-current-entity))
764 (define-key mime-view-mode-map
765 "e" (function mime-view-extract-current-entity))
766 (define-key mime-view-mode-map
767 "\C-c\C-p" (function mime-view-print-current-entity))
768 (define-key mime-view-mode-map
769 "a" (function mime-view-follow-content))
770 (define-key mime-view-mode-map
771 "q" (function mime-view-quit))
772 (define-key mime-view-mode-map
773 "h" (function mime-view-show-summary))
774 (define-key mime-view-mode-map
775 "\C-c\C-x" (function mime-view-kill-buffer))
776 (define-key mime-view-mode-map
777 "<" (function beginning-of-buffer))
778 (define-key mime-view-mode-map
779 ">" (function end-of-buffer))
780 (define-key mime-view-mode-map
781 "?" (function describe-mode))
782 (if (functionp default)
783 (setq mime-view-mode-map
784 (append mime-view-mode-map (list (cons t default)))
787 (define-key mime-view-mode-map
788 mouse-button-2 (function mime-button-dispatcher))
790 (cond (running-xemacs
791 (define-key mime-view-mode-map
792 mouse-button-3 (function mime-view-xemacs-popup-menu))
794 ((>= emacs-major-version 19)
795 (define-key mime-view-mode-map [menu-bar mime-view]
796 (cons mime-view-menu-title
797 (make-sparse-keymap mime-view-menu-title)))
800 (define-key mime-view-mode-map
801 (vector 'menu-bar 'mime-view (car item))
802 (cons (nth 1 item)(nth 2 item))
805 (reverse mime-view-menu-list)
808 (use-local-map mime-view-mode-map)
809 (run-hooks 'mime-view-define-keymap-hook)
812 (defun mime-view-mode (&optional mother ctl encoding ibuf obuf
813 default-keymap-or-function)
814 "Major mode for viewing MIME message.
816 Here is a list of the standard keys for mime-view-mode.
821 u Move to upper content
822 p or M-TAB Move to previous content
823 n or TAB Move to next content
824 SPC Scroll up or move to next content
825 M-SPC or DEL Scroll down or move to previous content
826 RET Move to next line
827 M-RET Move to previous line
828 v Decode current content as `play mode'
829 e Decode current content as `extract mode'
830 C-c C-p Decode current content as `print mode'
831 a Followup to current content.
834 button-2 Move to point under the mouse cursor
835 and decode current content as `play mode'
838 (let ((buf (get-buffer mime/output-buffer-name)))
844 (let ((ret (mime-view-setup-buffer ctl encoding ibuf obuf))
845 (win-conf (current-window-configuration))
848 (switch-to-buffer (car ret))
849 (setq mime::preview/original-window-configuration win-conf)
852 (setq mime::preview/mother-buffer mother)
854 (mime-view-define-keymap default-keymap-or-function)
855 (setq mime::preview/content-list (nth 1 ret))
857 (let ((ce (mime::preview-content-info/point-max
858 (car mime::preview/content-list)
861 (goto-char (point-min))
862 (search-forward "\n\n" nil t)
863 (setq e (match-end 0))
867 (run-hooks 'mime-view-mode-hook)
870 (defun mime-preview/point-content-number (point)
871 (save-window-excursion
872 (let ((pc (mime-preview/point-pcinfo (point)))
874 (switch-to-buffer (mime::preview-content-info/buffer pc))
875 (setq cinfo (mime::preview-content-info/content-info pc))
876 (mime-article/point-content-number (mime::content-info/point-min cinfo))
879 (defun mime-preview/cinfo-to-pcinfo (cinfo)
880 (let ((rpcl mime::preview/content-list) cell)
883 (setq cell (car rpcl))
884 (if (eq cinfo (mime::preview-content-info/content-info cell))
887 (setq rpcl (cdr rpcl))
890 (autoload 'mime-view-play-current-entity "mime-play" "Play current entity." t)
892 (defun mime-view-extract-current-entity ()
893 "Extract current entity into file (maybe).
894 It decodes current entity to call internal or external method as
895 \"extract\" mode. The method is selected from variable
896 `mime/content-decoding-condition'."
898 (mime-view-play-current-entity "extract")
901 (defun mime-view-print-current-entity ()
902 "Print current entity (maybe).
903 It decodes current entity to call internal or external method as
904 \"print\" mode. The method is selected from variable
905 `mime/content-decoding-condition'."
907 (mime-view-play-current-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