2 ;;; tm-view.el --- interactive MIME viewer for GNU Emacs
4 ;;; Copyright (C) 1995 Free Software Foundation, Inc.
5 ;;; Copyright (C) 1994 .. 1996 MORIOKA Tomohiko
7 ;;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
8 ;;; modified by Steven L. Baur <steve@miranova.com>
9 ;;; Maintainer: MORIOKA Tomohiko <morioka@jaist.ac.jp>
10 ;;; Created: 1994/7/13 (1994/8/31 obsolete tm-body.el)
11 ;;; Version: $Revision: 7.59 $
12 ;;; Keywords: mail, news, MIME, multimedia
14 ;;; This file is part of tm (Tools for MIME).
16 ;;; This program is free software; you can redistribute it and/or
17 ;;; modify it under the terms of the GNU General Public License as
18 ;;; published by the Free Software Foundation; either version 2, or
19 ;;; (at your option) any later version.
21 ;;; This program is distributed in the hope that it will be useful,
22 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
23 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
24 ;;; General Public License for more details.
26 ;;; You should have received a copy of the GNU General Public License
27 ;;; along with This program. If not, write to the Free Software
28 ;;; Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
47 (defconst mime-viewer/RCS-ID
48 "$Id: tm-view.el,v 7.59 1996/05/11 16:23:16 morioka Exp $")
50 (defconst mime-viewer/version (get-version-string mime-viewer/RCS-ID))
51 (defconst mime/viewer-version mime-viewer/version)
57 (defvar mime/content-decoding-condition
58 '(((type . "text/plain")
59 (method "tm-plain" nil 'file 'type 'encoding 'mode 'name))
61 (method "tm-html" nil 'file 'type 'encoding 'mode 'name)
63 ((type . "text/x-rot13-47")
64 (method . mime-article/decode-caesar))
66 ((type . "audio/basic")
67 (method "tm-au" nil 'file 'type 'encoding 'mode 'name))
69 ((type . "image/jpeg")
70 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
72 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
73 ((type . "image/tiff")
74 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
75 ((type . "image/x-tiff")
76 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
77 ((type . "image/x-xbm")
78 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
79 ((type . "image/x-pic")
80 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
81 ((type . "image/x-mag")
82 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
84 ((type . "video/mpeg")
85 (method "tm-mpeg" nil 'file 'type 'encoding 'mode 'name))
87 ((type . "application/octet-stream")
88 (method "tm-file" nil 'file 'type 'encoding 'mode 'name))
90 ;;((type . "message/external-body")
91 ;; (method "xterm" nil
92 ;; "-e" "showexternal"
93 ;; 'file '"access-type" '"name" '"site" '"directory"))
94 ((type . "message/rfc822")
95 (method . mime-article/view-message/rfc822))
96 ((type . "message/partial")
97 (method . mime-article/decode-message/partial))
100 "-m" "tm" "-x" "-d" "-z" "-e" 'file)(mode . "play"))
101 ((method "tm-file" nil 'file 'type 'encoding 'mode 'name)
105 (defvar mime-viewer/childrens-header-showing-Content-Type-list
106 '("message/rfc822" "message/news"))
108 (defvar mime-viewer/default-showing-Content-Type-list
109 '("text/plain" nil "text/richtext" "text/enriched"
110 "text/x-latex" "application/x-latex"
111 "message/delivery-status"
112 "application/pgp" "text/x-pgp"
113 "application/octet-stream"
114 "application/x-selection" "application/x-comment"))
116 (defvar mime-viewer/content-subject-omitting-Content-Type-list
117 '("application/x-selection"))
119 (defvar mime-viewer/content-subject-showing-Content-Type-list
120 '("application/pgp"))
122 (defvar mime-viewer/uuencode-encoding-name-list '("x-uue" "x-uuencode"))
124 (defvar mime-viewer/ignored-field-list
125 '(".*Received" ".*Path" ".*Id" "References"
126 "Replied" "Errors-To"
127 "Lines" "Sender" ".*Host" "Xref"
128 "Content-Type" "Precedence"
130 "All fields that match this list will be hidden in MIME preview buffer.
131 Each elements are regexp of field-name. [tm-view.el]")
133 (defvar mime-viewer/ignored-field-regexp
135 (apply (function regexp-or) mime-viewer/ignored-field-list)
138 (defvar mime-viewer/visible-field-list
140 "All fields that match this list will be displayed in MIME preview buffer.
141 Each elements are regexp of field-name. [tm-view.el]")
143 (defvar mime-viewer/visible-field-regexp
145 (apply (function regexp-or) mime-viewer/visible-field-list)
148 (defvar mime-viewer/redisplay nil)
150 (defvar mime-viewer/announcement-for-message/partial
151 (if (and (>= emacs-major-version 19) window-system)
153 \[[ This is message/partial style split message. ]]
154 \[[ Please press `v' key in this buffer ]]
155 \[[ or click here by mouse button-2. ]]"
157 \[[ This is message/partial style split message. ]]
158 \[[ Please press `v' key in this buffer. ]]"
162 ;;; @@ predicate functions
165 (defun mime-viewer/header-visible-p (rcnum cinfo &optional ctype)
169 (mime::content-info/type
170 (mime-article/rcnum-to-cinfo (cdr rcnum) cinfo)
172 (member ctype mime-viewer/childrens-header-showing-Content-Type-list)
175 (defun mime-viewer/body-visible-p (rcnum cinfo &optional ctype)
179 (mime::content-info/type
180 (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
183 (and (member ctype mime-viewer/default-showing-Content-Type-list)
184 (if (string-equal ctype "application/octet-stream")
187 (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
189 (member (mime::content-info/encoding ccinfo)
190 '(nil "7bit" "8bit"))
196 ;;; @@ content subject
199 (defun mime-viewer/insert-content-subject
200 (rcnum cinfo ctype params subj)
202 (narrow-to-region (point)(point))
204 (let ((access-type (assoc "access-type" params))
205 (num (or (assoc-value "x-part-number" params)
209 (format "%s" (1+ num))
215 (let ((server (assoc "server" params)))
216 (setq access-type (cdr access-type))
218 (format "[%s %s ([%s] %s)]\n" num subj
219 access-type (cdr server))
220 (let ((site (assoc-value "site" params))
221 (dir (assoc-value "directory" params))
223 (format "[%s %s ([%s] %s:%s)]\n" num subj
224 access-type site dir)
226 (format "[%s %s (%s)]\n" num subj ctype)
228 (tm:add-button (point-min)(1- (point-max))
229 (function mime-viewer/play-content))
232 (defun mime-viewer/default-content-subject-function
233 (rcnum cinfo ctype params subj)
234 (if (and (consp rcnum)
237 mime-viewer/content-subject-omitting-Content-Type-list)))
238 (mime-viewer/insert-content-subject
239 rcnum cinfo ctype params subj)
242 (defvar mime-viewer/content-subject-function
243 (function mime-viewer/default-content-subject-function))
246 ;;; @@ content header filter
249 (defun mime-preview/cut-header ()
250 (goto-char (point-min))
252 (re-search-forward mime-viewer/ignored-field-regexp nil t)
253 (let* ((beg (match-beginning 0))
255 (name (buffer-substring beg end))
257 (if (not (string-match mime-viewer/visible-field-regexp name))
262 (re-search-forward "^\\([^ \t]\\|$\\)" nil t)
269 (defun mime-viewer/default-content-header-filter ()
270 (mime-preview/cut-header)
271 (mime/decode-message-header)
274 (defvar mime-viewer/content-header-filter-alist nil)
277 ;;; @@ content filter
280 (defvar mime-viewer/content-filter-alist
281 '(("text/enriched" . mime-preview/filter-for-text/enriched)
282 ("text/richtext" . mime-preview/filter-for-text/richtext)
283 (t . mime-preview/filter-for-text/plain)
287 ;;; @@ content separator
290 (defun mime-viewer/default-content-separator (rcnum cinfo ctype params subj)
291 (if (and (not (mime-viewer/header-visible-p rcnum cinfo ctype))
292 (not (mime-viewer/body-visible-p rcnum cinfo ctype))
295 (goto-char (point-max))
300 ;;; @@ buffer local variables
304 (defvar mime::article/preview-buffer nil)
305 (defvar mime::article/code-converter nil)
306 (defvar mime::preview/article-buffer nil)
308 (make-variable-buffer-local 'mime::article/content-info)
309 (make-variable-buffer-local 'mime::article/preview-buffer)
310 (make-variable-buffer-local 'mime::article/code-converter)
312 (make-variable-buffer-local 'mime::preview/mother-buffer)
313 (make-variable-buffer-local 'mime::preview/content-list)
314 (make-variable-buffer-local 'mime::preview/article-buffer)
315 (make-variable-buffer-local 'mime::preview/original-major-mode)
316 (make-variable-buffer-local 'mime::preview/original-window-configuration)
319 ;;; @@ quitting method
322 (defvar mime-viewer/quitting-method-alist
323 '((mime/show-message-mode
324 . mime-viewer/quitting-method-for-mime/show-message-mode)))
326 (defvar mime-viewer/over-to-previous-method-alist nil)
327 (defvar mime-viewer/over-to-next-method-alist nil)
329 (defvar mime-viewer/show-summary-method nil)
332 ;;; @@ following method
335 (defvar mime-viewer/following-method-alist nil)
341 ;; hack from Gnus 5.0.4.
343 (defvar mime-viewer/x-face-to-pbm-command
344 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm")
346 (defvar mime-viewer/x-face-command
347 (concat mime-viewer/x-face-to-pbm-command
349 "String to be executed to display an X-Face field.
350 The command will be executed in a sub-shell asynchronously.
351 The compressed face will be piped to this command.")
353 (defun mime-viewer/x-face-function ()
354 "Function to display X-Face field. You can redefine to customize."
355 ;; 1995/10/12 (c.f. tm-eng:130)
356 ;; fixed by Eric Ding <ericding@San-Jose.ate.slb.com>
358 (narrow-to-region (point-min) (re-search-forward "^$" nil t))
360 (goto-char (point-min))
361 (if (re-search-forward "^X-Face:[ \t]*" nil t)
362 (let ((beg (match-end 0))
363 (end (rfc822/field-end))
365 (call-process-region beg end "sh" nil 0 nil
366 "-c" mime-viewer/x-face-command)
373 (defun mime-preview/get-original-major-mode ()
374 (if mime::preview/mother-buffer
376 (set-buffer mime::preview/mother-buffer)
377 (mime-preview/get-original-major-mode)
379 mime::preview/original-major-mode))
382 ;;; @ data structures
385 ;;; @@ preview-content-info
388 (define-structure mime::preview-content-info
389 point-min point-max buffer content-info)
395 (defun mime-viewer/setup-buffer (&optional ctl encoding ibuf obuf)
401 (or mime-viewer/redisplay
402 (setq mime::article/content-info (mime/parse-message ctl encoding))
404 (let ((ret (mime-viewer/make-preview-buffer obuf)))
405 (setq mime::article/preview-buffer (car ret))
408 (defun mime-viewer/make-preview-buffer (&optional obuf)
409 (let* ((cinfo mime::article/content-info)
410 (pcl (mime/flatten-content-info cinfo))
411 (dest (make-list (length pcl) nil))
412 (the-buf (current-buffer))
416 (setq obuf (concat "*Preview-" (buffer-name the-buf) "*")))
417 (set-buffer (get-buffer-create obuf))
418 (setq buffer-read-only nil)
421 (setq mime::preview/article-buffer the-buf)
422 (setq mime::preview/original-major-mode mode)
423 (setq major-mode 'mime/viewer-mode)
424 (setq mode-name "MIME-View")
428 (mime-preview/display-content (car pcl) cinfo the-buf obuf))
432 (set-buffer-modified-p nil)
433 (setq buffer-read-only t)
438 (defun mime-preview/display-content (content cinfo ibuf obuf)
439 (let* ((beg (mime::content-info/point-min content))
440 (end (mime::content-info/point-max content))
441 (ctype (mime::content-info/type content))
442 (params (mime::content-info/parameters content))
443 (encoding (mime::content-info/encoding content))
444 (rcnum (mime::content-info/rcnum content))
448 (setq he (if (re-search-forward "^$" nil t)
455 (narrow-to-region beg end)
457 (mime-eword/decode-string
458 (mime-article/get-subject params encoding)))
462 (narrow-to-region nb nb)
463 (funcall mime-viewer/content-subject-function
464 rcnum cinfo ctype params subj)
465 (if (mime-viewer/header-visible-p rcnum cinfo ctype)
466 (mime-preview/display-header beg he)
469 (if (and (null rcnum)
471 ctype mime-viewer/content-subject-showing-Content-Type-list))
474 (goto-char (point-max))
475 (mime-viewer/insert-content-subject rcnum cinfo ctype params subj)
477 (cond ((mime-viewer/body-visible-p rcnum cinfo ctype)
478 (mime-viewer/display-body he end obuf
479 rcnum cinfo ctype params subj encoding)
481 ((equal ctype "message/partial")
482 (mime-viewer/display-message/partial obuf)
485 (null (mime::content-info/children cinfo))
488 (goto-char (point-max))
489 (mime-viewer/insert-content-subject rcnum cinfo ctype params subj)
491 (t (set-buffer obuf))
493 (mime-viewer/default-content-separator rcnum cinfo ctype params subj)
496 (setq ne (point-max))
498 (mime::preview-content-info/create nb (1- ne) ibuf content)
503 (defun mime-preview/display-header (beg end)
505 (narrow-to-region (point)(point))
506 (insert-buffer-substring mime::preview/article-buffer beg end)
507 (let ((f (cdr (assq mime::preview/original-major-mode
508 mime-viewer/content-header-filter-alist))))
511 (mime-viewer/default-content-header-filter)
513 (run-hooks 'mime-viewer/content-header-filter-hook)
516 (defun mime-viewer/display-body (beg end obuf
517 rcnum cinfo ctype params subj encoding)
518 (let ((str (buffer-substring beg end))
522 (setq be (point-max))
523 (narrow-to-region be be)
525 (let ((f (cdr (or (assoc ctype mime-viewer/content-filter-alist)
526 (assq t mime-viewer/content-filter-alist)))))
528 (funcall f ctype params encoding)
531 (defun mime-viewer/display-message/partial (obuf)
534 (goto-char (point-max))
535 (if (not (search-backward "\n\n" nil t))
538 (let ((be (point-max)))
539 (narrow-to-region be be)
540 (insert mime-viewer/announcement-for-message/partial)
541 (tm:add-button (point-min)(point-max)
542 (function mime-viewer/play-content))
545 (defun mime-article/get-uu-filename (param &optional encoding)
546 (if (member (or encoding
547 (cdr (assq 'encoding param))
549 mime-viewer/uuencode-encoding-name-list)
551 (or (if (re-search-forward "^begin [0-9]+ " nil t)
552 (if (looking-at ".+$")
553 (buffer-substring (match-beginning 0)(match-end 0))
558 (defun mime-article/get-subject (param &optional encoding)
559 (or (rfc822/get-field-body "Content-Description")
560 (rfc822/get-field-body "Subject")
562 (if (or (and (setq ret (mime/Content-Disposition))
563 (setq ret (assoc "filename" (cdr ret)))
565 (setq ret (assoc "name" param))
566 (setq ret (assoc "x-name" param))
568 (rfc822/strip-quoted-string (cdr ret))
570 (mime-article/get-uu-filename param encoding)
574 ;;; @ content information
577 (defun mime-article/point-content-number (p &optional cinfo)
579 (setq cinfo mime::article/content-info)
581 (let ((b (mime::content-info/point-min cinfo))
582 (e (mime::content-info/point-max cinfo))
583 (c (mime::content-info/children cinfo))
585 (if (and (<= b p)(<= p e))
586 (or (let (co ret (sn 0))
590 (setq ret (mime-article/point-content-number p co))
591 (cond ((eq ret t) (throw 'tag (list sn)))
592 (ret (throw 'tag (cons sn ret)))
599 (defun mime-article/rcnum-to-cinfo (rcnum &optional cinfo)
601 (setq cinfo mime::article/content-info)
606 (equal (mime::content-info/rcnum ci) rcnum)
608 (mime/flatten-content-info cinfo)
611 (defun mime-article/cnum-to-cinfo (cn &optional cinfo)
613 (setq cinfo mime::article/content-info)
620 (let ((rc (nth sn (mime::content-info/children cinfo))))
622 (mime-article/cnum-to-cinfo (cdr cn) rc)
626 (defun mime/flatten-content-info (&optional cinfo)
628 (setq cinfo mime::article/content-info)
630 (let ((dest (list cinfo))
631 (rcl (mime::content-info/children cinfo))
634 (setq dest (nconc dest (mime/flatten-content-info (car rcl))))
639 (defun mime-preview/point-pcinfo (p &optional pcl)
641 (setq pcl mime::preview/content-list)
647 (if (and (<= (mime::preview-content-info/point-min cell) p)
648 (<= p (mime::preview-content-info/point-max cell))
658 ;;; @ MIME viewer mode
661 (defconst mime-viewer/menu-title "MIME-View")
662 (defconst mime-viewer/menu-list
663 '((up "Move to upper content" mime-viewer/up-content)
664 (previous "Move to previous content" mime-viewer/previous-content)
665 (next "Move to next content" mime-viewer/next-content)
666 (scroll-down "Scroll to previous content" mime-viewer/scroll-down-content)
667 (scroll-up "Scroll to next content" mime-viewer/scroll-up-content)
668 (play "Play Content" mime-viewer/play-content)
669 (extract "Extract Content" mime-viewer/extract-content)
670 (print "Print" mime-viewer/print-content)
671 (x-face "Show X Face" mime-viewer/display-x-face)
673 "Menu for MIME Viewer")
675 (defvar mime/viewer-mode-map nil)
676 (if (null mime/viewer-mode-map)
678 (setq mime/viewer-mode-map (make-keymap))
679 (suppress-keymap mime/viewer-mode-map)
680 (define-key mime/viewer-mode-map
681 "u" (function mime-viewer/up-content))
682 (define-key mime/viewer-mode-map
683 "p" (function mime-viewer/previous-content))
684 (define-key mime/viewer-mode-map
685 "n" (function mime-viewer/next-content))
686 (define-key mime/viewer-mode-map
687 " " (function mime-viewer/scroll-up-content))
688 (define-key mime/viewer-mode-map
689 "\M- " (function mime-viewer/scroll-down-content))
690 (define-key mime/viewer-mode-map
691 "\177" (function mime-viewer/scroll-down-content))
692 (define-key mime/viewer-mode-map
693 "\C-m" (function mime-viewer/next-line-content))
694 (define-key mime/viewer-mode-map
695 "\C-\M-m" (function mime-viewer/previous-line-content))
696 (define-key mime/viewer-mode-map
697 "v" (function mime-viewer/play-content))
698 (define-key mime/viewer-mode-map
699 "e" (function mime-viewer/extract-content))
700 (define-key mime/viewer-mode-map
701 "\C-c\C-p" (function mime-viewer/print-content))
702 (define-key mime/viewer-mode-map
703 "x" (function mime-viewer/display-x-face))
704 (define-key mime/viewer-mode-map
705 "a" (function mime-viewer/follow-content))
706 (define-key mime/viewer-mode-map
707 "q" (function mime-viewer/quit))
708 (define-key mime/viewer-mode-map
709 "h" (function mime-viewer/show-summary))
710 (define-key mime/viewer-mode-map
711 "\C-c\C-x" (function mime-viewer/kill-buffer))
712 (define-key mime/viewer-mode-map
713 "<" (function beginning-of-buffer))
714 (define-key mime/viewer-mode-map
715 ">" (function end-of-buffer))
717 (define-key mime/viewer-mode-map
718 mouse-button-2 (function tm:button-dispatcher))
720 (cond (running-xemacs
721 (defvar mime-viewer/xemacs-popup-menu
722 (cons mime-viewer/menu-title
725 (vector (nth 1 item)(nth 2 item) t)
727 mime-viewer/menu-list)))
728 (defun mime-viewer/xemacs-popup-menu (event)
729 "Popup the menu in the MIME Viewer buffer"
731 (select-window (event-window event))
732 (set-buffer (event-buffer event))
733 (popup-menu 'mime-viewer/xemacs-popup-menu))
734 (define-key mime/viewer-mode-map
735 mouse-button-3 (function mime-viewer/xemacs-popup-menu))
737 ((>= emacs-major-version 19)
738 (define-key mime/viewer-mode-map [menu-bar mime-view]
739 (cons mime-viewer/menu-title
740 (make-sparse-keymap mime-viewer/menu-title)))
743 (define-key mime/viewer-mode-map
744 (vector 'menu-bar 'mime-view (car item))
745 (cons (nth 1 item)(nth 2 item))
748 (reverse mime-viewer/menu-list)
753 (defun mime/viewer-mode (&optional mother ctl encoding ibuf obuf)
754 "Major mode for viewing MIME message.
756 Here is a list of the standard keys for mime/viewer-mode.
761 u Move to upper content
762 p Move to previous content
763 n Move to next content
764 SPC Scroll up or move to next content
765 M-SPC Scroll down or move to previous content
766 DEL Scroll down or move to previous content
767 RET Move to next line
768 M-RET Move to previous line
769 v Decode current content as `play mode'
770 e Decode current content as `extract mode'
771 C-c C-p Decode current content as `print mode'
774 button-2 Move to point under the mouse cursor
775 and decode current content as `play mode'
778 Here are all the commands with their current binding,
781 \\{mime/viewer-mode-map}
784 (let ((buf (get-buffer mime/output-buffer-name)))
790 (let ((ret (mime-viewer/setup-buffer ctl encoding ibuf obuf))
791 (win-conf (current-window-configuration))
794 (switch-to-buffer (car ret))
795 (setq mime::preview/original-window-configuration win-conf)
798 (setq mime::preview/mother-buffer mother)
800 (use-local-map mime/viewer-mode-map)
801 (setq mime::preview/content-list (nth 1 ret))
803 (let ((ce (mime::preview-content-info/point-max
804 (car mime::preview/content-list)
807 (goto-char (point-min))
808 (search-forward "\n\n" nil t)
809 (setq e (match-end 0))
813 (run-hooks 'mime/viewer-mode-hook)
816 (defun mime-preview/point-content-number (point)
817 (save-window-excursion
818 (let ((pc (mime-preview/point-pcinfo (point)))
820 (switch-to-buffer (mime::preview-content-info/buffer pc))
821 (setq cinfo (mime::preview-content-info/content-info pc))
822 (mime-article/point-content-number (mime::content-info/point-min cinfo))
825 (defun mime-preview/cinfo-to-pcinfo (cinfo)
826 (let ((rpcl mime::preview/content-list) cell)
829 (setq cell (car rpcl))
830 (if (eq cinfo (mime::preview-content-info/content-info cell))
833 (setq rpcl (cdr rpcl))
836 (autoload 'mime-preview/decode-content "tm-play")
838 (defvar mime-viewer/decoding-mode "play" "MIME body decoding mode")
840 (defun mime-viewer/play-content ()
842 (let ((mime-viewer/decoding-mode "play"))
843 (mime-preview/decode-content)
846 (defun mime-viewer/extract-content ()
848 (let ((mime-viewer/decoding-mode "extract"))
849 (mime-preview/decode-content)
852 (defun mime-viewer/print-content ()
854 (let ((mime-viewer/decoding-mode "print"))
855 (mime-preview/decode-content)
858 (defun mime-viewer/follow-content ()
861 (mime::preview-content-info/content-info
862 (car mime::preview/content-list)))
863 pc p-beg p-end cinfo rcnum)
864 (let ((rest mime::preview/content-list)
867 (while (setq cell (car rest))
868 (setq b (mime::preview-content-info/point-min cell)
869 e (mime::preview-content-info/point-max cell))
870 (setq rest (cdr rest))
871 (if (and (<= b (point))(<= (point) e))
877 cinfo (mime::preview-content-info/content-info pc)
878 rcnum (mime::content-info/rcnum cinfo))
879 (setq len (length rcnum))
880 (setq p-beg (mime::preview-content-info/point-min pc)
881 p-end (mime::preview-content-info/point-max pc))
882 (while (and (setq cell (car rest))
885 (mime::content-info/rcnum
886 (mime::preview-content-info/content-info
889 (nthcdr (- (length rc) len) rc))
891 (setq p-end (mime::preview-content-info/point-max cell))
892 (setq rest (cdr rest))
895 (let* ((mode (mime-preview/get-original-major-mode))
896 (new-name (format "%s-%s" (buffer-name) (reverse rcnum)))
898 (the-buf (current-buffer))
899 (a-buf mime::preview/article-buffer)
900 (hb (mime::content-info/point-min cinfo))
901 (he (mime::content-info/point-max cinfo))
902 fields from to cc reply-to subj mid f)
904 (set-buffer (setq new-buf (get-buffer-create new-name)))
906 (insert-buffer-substring the-buf p-beg p-end)
907 (goto-char (point-min))
908 (if (mime-viewer/header-visible-p rcnum root-cinfo)
909 (delete-region (goto-char (point-min))
910 (if (re-search-forward "^$" nil t)
914 (goto-char (point-min))
916 (goto-char (point-min))
917 (let ((rcnum (mime::content-info/rcnum cinfo)) ci str)
922 (setq ci (mime-article/rcnum-to-cinfo rcnum))
925 (mime::content-info/point-min ci)
926 (mime::content-info/point-max ci)
928 (rfc822/get-header-string-except
930 (apply (function regexp-or) fields)
932 (if (string-equal (mime::content-info/type ci)
939 (setq fields (rfc822/get-field-names)
943 (mime/decode-message-header)
945 (funcall (cdr (assq mode mime-viewer/following-method-alist))
949 (defun mime-viewer/display-x-face ()
951 (save-window-excursion
952 (set-buffer mime::preview/article-buffer)
953 (mime-viewer/x-face-function)
956 (defun mime-viewer/up-content ()
958 (let* ((pc (mime-preview/point-pcinfo (point)))
959 (cinfo (mime::preview-content-info/content-info pc))
960 (rcnum (mime::content-info/rcnum cinfo))
963 (let ((r (save-excursion
964 (set-buffer (mime::preview-content-info/buffer pc))
965 (mime-article/rcnum-to-cinfo (cdr rcnum))
967 (rpcl mime::preview/content-list)
970 (setq cell (car rpcl))
971 (not (eq r (mime::preview-content-info/content-info cell)))
973 (setq rpcl (cdr rpcl))
975 (goto-char (mime::preview-content-info/point-min cell))
980 (defun mime-viewer/previous-content ()
982 (let* ((pcl mime::preview/content-list)
984 (i (- (length pcl) 1))
988 (setq beg (mime::preview-content-info/point-min (nth i pcl)))
990 (throw 'tag (goto-char beg))
994 (let ((f (assq mime::preview/original-major-mode
995 mime-viewer/over-to-previous-method-alist)))
1002 (defun mime-viewer/next-content ()
1004 (let ((pcl mime::preview/content-list)
1009 (setq beg (mime::preview-content-info/point-min (car pcl)))
1011 (throw 'tag (goto-char beg))
1013 (setq pcl (cdr pcl))
1015 (let ((f (assq mime::preview/original-major-mode
1016 mime-viewer/over-to-next-method-alist)))
1023 (defun mime-viewer/scroll-up-content (&optional h)
1026 (setq h (- (window-height) 1))
1028 (if (= (point) (point-max))
1029 (let ((f (assq mime::preview/original-major-mode
1030 mime-viewer/over-to-next-method-alist)))
1034 (let ((pcl mime::preview/content-list)
1040 (setq beg (mime::preview-content-info/point-min (car pcl)))
1044 (setq pcl (cdr pcl))
1055 (defun mime-viewer/scroll-down-content (&optional h)
1058 (setq h (- (window-height) 1))
1060 (if (= (point) (point-min))
1061 (let ((f (assq mime::preview/original-major-mode
1062 mime-viewer/over-to-previous-method-alist)))
1066 (let ((pcl mime::preview/content-list)
1070 (or (let ((i (- (length pcl) 1)))
1073 (setq beg (mime::preview-content-info/point-min
1081 (forward-line (- h))
1087 (defun mime-viewer/next-line-content ()
1089 (mime-viewer/scroll-up-content 1)
1092 (defun mime-viewer/previous-line-content ()
1094 (mime-viewer/scroll-down-content 1)
1097 (defun mime-viewer/quit ()
1099 (let ((r (save-excursion
1100 (set-buffer (mime::preview-content-info/buffer
1101 (mime-preview/point-pcinfo (point))))
1102 (assq major-mode mime-viewer/quitting-method-alist)
1108 (defun mime-viewer/show-summary ()
1110 (let ((r (save-excursion
1112 (mime::preview-content-info/buffer
1113 (mime-preview/point-pcinfo (point)))
1115 (assq major-mode mime-viewer/show-summary-method)
1121 (defun mime-viewer/kill-buffer ()
1123 (kill-buffer (current-buffer))
1132 (run-hooks 'tm-view-load-hook)
1134 ;;; tm-view.el ends here