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: 7.66 $
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 7.66 1996/07/01 23:42:12 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-button-ignored-ctype-list
117 '("application/x-selection"))
119 (defvar mime-viewer/content-button-visible-ctype-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
139 '("Dnas.*" "Message-Id")
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 button
199 (defun mime-preview/insert-content-button
200 (rcnum cinfo ctype params subj encoding)
202 (narrow-to-region (point)(point))
203 (let ((access-type (assoc "access-type" params))
204 (charset (assoc "charset" 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 (insert (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 (insert (format "[%s %s ([%s] %s:%s)]\n" num subj
224 access-type site dir))
228 (insert (concat "[" num " " subj))
230 (if (setq charset (cdr charset))
232 (format " <%s; %s (%s)>]\n"
233 ctype charset encoding)
234 (format " <%s; %s>]\n" ctype charset)
236 (format " <%s>]\n" ctype)
238 (if (>= (+ (current-column)(length rest))(window-width))
239 (setq rest (concat "\n\t" rest))
243 (tm:add-button (point-min)(1- (point-max))
244 (function mime-viewer/play-content))
247 (defun mime-preview/default-content-button-function
248 (rcnum cinfo ctype params subj encoding)
249 (if (and (consp rcnum)
252 mime-viewer/content-button-ignored-ctype-list)))
253 (mime-preview/insert-content-button
254 rcnum cinfo ctype params subj encoding)
257 (defvar mime-preview/content-button-function
258 (function mime-preview/default-content-button-function))
261 ;;; @@ content header filter
264 (defun mime-preview/cut-header ()
265 (goto-char (point-min))
267 (re-search-forward mime-viewer/ignored-field-regexp nil t)
268 (let* ((beg (match-beginning 0))
270 (name (buffer-substring beg end))
272 (if (not (string-match mime-viewer/visible-field-regexp name))
277 (re-search-forward "^\\([^ \t]\\|$\\)" nil t)
284 (defun mime-viewer/default-content-header-filter ()
285 (mime-preview/cut-header)
286 (mime/decode-message-header)
289 (defvar mime-viewer/content-header-filter-alist nil)
292 ;;; @@ content filter
295 (defvar mime-viewer/content-filter-alist
296 '(("text/enriched" . mime-preview/filter-for-text/enriched)
297 ("text/richtext" . mime-preview/filter-for-text/richtext)
298 (t . mime-preview/filter-for-text/plain)
302 ;;; @@ content separator
305 (defun mime-preview/default-content-separator (rcnum cinfo ctype params subj)
306 (if (and (not (mime-viewer/header-visible-p rcnum cinfo ctype))
307 (not (mime-viewer/body-visible-p rcnum cinfo ctype))
310 (goto-char (point-max))
315 ;;; @@ buffer local variables
319 (defvar mime::article/preview-buffer nil)
320 (defvar mime::article/code-converter nil)
321 (defvar mime::preview/article-buffer nil)
323 (make-variable-buffer-local 'mime::article/content-info)
324 (make-variable-buffer-local 'mime::article/preview-buffer)
325 (make-variable-buffer-local 'mime::article/code-converter)
327 (make-variable-buffer-local 'mime::preview/mother-buffer)
328 (make-variable-buffer-local 'mime::preview/content-list)
329 (make-variable-buffer-local 'mime::preview/article-buffer)
330 (make-variable-buffer-local 'mime::preview/original-major-mode)
331 (make-variable-buffer-local 'mime::preview/original-window-configuration)
334 ;;; @@ quitting method
337 (defvar mime-viewer/quitting-method-alist
338 '((mime/show-message-mode
339 . mime-viewer/quitting-method-for-mime/show-message-mode)))
341 (defvar mime-viewer/over-to-previous-method-alist nil)
342 (defvar mime-viewer/over-to-next-method-alist nil)
344 (defvar mime-viewer/show-summary-method nil)
347 ;;; @@ following method
350 (defvar mime-viewer/following-method-alist nil)
356 ;; hack from Gnus 5.0.4.
358 (defvar mime-viewer/x-face-to-pbm-command
359 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm")
361 (defvar mime-viewer/x-face-command
362 (concat mime-viewer/x-face-to-pbm-command
364 "String to be executed to display an X-Face field.
365 The command will be executed in a sub-shell asynchronously.
366 The compressed face will be piped to this command.")
368 (defun mime-viewer/x-face-function ()
369 "Function to display X-Face field. You can redefine to customize."
370 ;; 1995/10/12 (c.f. tm-eng:130)
371 ;; fixed by Eric Ding <ericding@San-Jose.ate.slb.com>
373 (narrow-to-region (point-min) (re-search-forward "^$" nil t))
375 (goto-char (point-min))
376 (if (re-search-forward "^X-Face:[ \t]*" nil t)
377 (let ((beg (match-end 0))
378 (end (rfc822/field-end))
380 (call-process-region beg end "sh" nil 0 nil
381 "-c" mime-viewer/x-face-command)
388 (defun mime-preview/get-original-major-mode ()
389 (if mime::preview/mother-buffer
391 (set-buffer mime::preview/mother-buffer)
392 (mime-preview/get-original-major-mode)
394 mime::preview/original-major-mode))
397 ;;; @ data structures
400 ;;; @@ preview-content-info
403 (define-structure mime::preview-content-info
404 point-min point-max buffer content-info)
410 (defun mime-viewer/setup-buffer (&optional ctl encoding ibuf obuf)
416 (or mime-viewer/redisplay
417 (setq mime::article/content-info (mime/parse-message ctl encoding))
419 (let ((ret (mime-viewer/make-preview-buffer obuf)))
420 (setq mime::article/preview-buffer (car ret))
423 (defun mime-viewer/make-preview-buffer (&optional obuf)
424 (let* ((cinfo mime::article/content-info)
425 (pcl (mime/flatten-content-info cinfo))
426 (dest (make-list (length pcl) nil))
427 (the-buf (current-buffer))
431 (setq obuf (concat "*Preview-" (buffer-name the-buf) "*")))
432 (set-buffer (get-buffer-create obuf))
433 (setq buffer-read-only nil)
436 (setq mime::preview/article-buffer the-buf)
437 (setq mime::preview/original-major-mode mode)
438 (setq major-mode 'mime/viewer-mode)
439 (setq mode-name "MIME-View")
443 (mime-preview/display-content (car pcl) cinfo the-buf obuf))
447 (set-buffer-modified-p nil)
448 (setq buffer-read-only t)
453 (defun mime-preview/display-content (content cinfo ibuf obuf)
454 (let* ((beg (mime::content-info/point-min content))
455 (end (mime::content-info/point-max content))
456 (ctype (mime::content-info/type content))
457 (params (mime::content-info/parameters content))
458 (encoding (mime::content-info/encoding content))
459 (rcnum (mime::content-info/rcnum content))
463 (setq he (if (re-search-forward "^$" nil t)
470 (narrow-to-region beg end)
472 (mime-eword/decode-string
473 (mime-article/get-subject params encoding)))
477 (narrow-to-region nb nb)
478 (funcall mime-preview/content-button-function
479 rcnum cinfo ctype params subj encoding)
480 (if (mime-viewer/header-visible-p rcnum cinfo ctype)
481 (mime-preview/display-header beg he)
483 (if (and (null rcnum)
485 ctype mime-viewer/content-button-visible-ctype-list))
487 (goto-char (point-max))
488 (mime-preview/insert-content-button
489 rcnum cinfo ctype params subj encoding)
491 (cond ((mime-viewer/body-visible-p rcnum cinfo ctype)
492 (mime-preview/display-body he end
493 rcnum cinfo ctype params subj encoding)
495 ((equal ctype "message/partial")
496 (mime-preview/display-message/partial)
499 (null (mime::content-info/children cinfo))
501 (goto-char (point-max))
502 (mime-preview/insert-content-button
503 rcnum cinfo ctype params subj encoding)
505 (mime-preview/default-content-separator rcnum cinfo ctype params subj)
508 (setq ne (point-max))
510 (mime::preview-content-info/create nb (1- ne) ibuf content)
515 (defun mime-preview/display-header (beg end)
517 (narrow-to-region (point)(point))
518 (insert-buffer-substring mime::preview/article-buffer beg end)
519 (let ((f (cdr (assq mime::preview/original-major-mode
520 mime-viewer/content-header-filter-alist))))
523 (mime-viewer/default-content-header-filter)
525 (run-hooks 'mime-viewer/content-header-filter-hook)
528 (defun mime-preview/display-body (beg end
529 rcnum cinfo ctype params subj encoding)
531 (narrow-to-region (point-max)(point-max))
532 (insert-buffer-substring mime::preview/article-buffer beg end)
533 (let ((f (cdr (or (assoc ctype mime-viewer/content-filter-alist)
534 (assq t mime-viewer/content-filter-alist)))))
536 (funcall f ctype params encoding)
540 (defun mime-preview/display-message/partial ()
542 (goto-char (point-max))
543 (if (not (search-backward "\n\n" nil t))
546 (let ((be (point-max)))
547 (narrow-to-region be be)
548 (insert mime-viewer/announcement-for-message/partial)
549 (tm:add-button (point-min)(point-max)
550 (function mime-viewer/play-content))
553 (defun mime-article/get-uu-filename (param &optional encoding)
554 (if (member (or encoding
555 (cdr (assq 'encoding param))
557 mime-viewer/uuencode-encoding-name-list)
559 (or (if (re-search-forward "^begin [0-9]+ " nil t)
560 (if (looking-at ".+$")
561 (buffer-substring (match-beginning 0)(match-end 0))
566 (defun mime-article/get-subject (param &optional encoding)
567 (or (rfc822/get-field-body "Content-Description")
568 (rfc822/get-field-body "Subject")
570 (if (or (and (setq ret (mime/Content-Disposition))
571 (setq ret (assoc "filename" (cdr ret)))
573 (setq ret (assoc "name" param))
574 (setq ret (assoc "x-name" param))
576 (rfc822/strip-quoted-string (cdr ret))
578 (mime-article/get-uu-filename param encoding)
582 ;;; @ content information
585 (defun mime-article/point-content-number (p &optional cinfo)
587 (setq cinfo mime::article/content-info)
589 (let ((b (mime::content-info/point-min cinfo))
590 (e (mime::content-info/point-max cinfo))
591 (c (mime::content-info/children cinfo))
593 (if (and (<= b p)(<= p e))
594 (or (let (co ret (sn 0))
598 (setq ret (mime-article/point-content-number p co))
599 (cond ((eq ret t) (throw 'tag (list sn)))
600 (ret (throw 'tag (cons sn ret)))
607 (defun mime-article/rcnum-to-cinfo (rcnum &optional cinfo)
609 (setq cinfo mime::article/content-info)
614 (equal (mime::content-info/rcnum ci) rcnum)
616 (mime/flatten-content-info cinfo)
619 (defun mime-article/cnum-to-cinfo (cn &optional cinfo)
621 (setq cinfo mime::article/content-info)
628 (let ((rc (nth sn (mime::content-info/children cinfo))))
630 (mime-article/cnum-to-cinfo (cdr cn) rc)
634 (defun mime/flatten-content-info (&optional cinfo)
636 (setq cinfo mime::article/content-info)
638 (let ((dest (list cinfo))
639 (rcl (mime::content-info/children cinfo))
642 (setq dest (nconc dest (mime/flatten-content-info (car rcl))))
647 (defun mime-preview/point-pcinfo (p &optional pcl)
649 (setq pcl mime::preview/content-list)
655 (if (and (<= (mime::preview-content-info/point-min cell) p)
656 (<= p (mime::preview-content-info/point-max cell))
666 ;;; @ MIME viewer mode
669 (defconst mime-viewer/menu-title "MIME-View")
670 (defconst mime-viewer/menu-list
671 '((up "Move to upper content" mime-viewer/up-content)
672 (previous "Move to previous content" mime-viewer/previous-content)
673 (next "Move to next content" mime-viewer/next-content)
674 (scroll-down "Scroll to previous content" mime-viewer/scroll-down-content)
675 (scroll-up "Scroll to next content" mime-viewer/scroll-up-content)
676 (play "Play Content" mime-viewer/play-content)
677 (extract "Extract Content" mime-viewer/extract-content)
678 (print "Print" mime-viewer/print-content)
679 (x-face "Show X Face" mime-viewer/display-x-face)
681 "Menu for MIME Viewer")
685 (defvar mime-viewer/xemacs-popup-menu
686 (cons mime-viewer/menu-title
689 (vector (nth 1 item)(nth 2 item) t)
691 mime-viewer/menu-list)))
692 (defun mime-viewer/xemacs-popup-menu (event)
693 "Popup the menu in the MIME Viewer buffer"
695 (select-window (event-window event))
696 (set-buffer (event-buffer event))
697 (popup-menu 'mime-viewer/xemacs-popup-menu))
700 (defun mime-viewer/define-keymap (&optional mother)
701 (let ((mime/viewer-mode-map (if mother
704 (suppress-keymap mime/viewer-mode-map)
705 (define-key mime/viewer-mode-map
706 "u" (function mime-viewer/up-content))
707 (define-key mime/viewer-mode-map
708 "p" (function mime-viewer/previous-content))
709 (define-key mime/viewer-mode-map
710 "n" (function mime-viewer/next-content))
711 (define-key mime/viewer-mode-map
712 " " (function mime-viewer/scroll-up-content))
713 (define-key mime/viewer-mode-map
714 "\M- " (function mime-viewer/scroll-down-content))
715 (define-key mime/viewer-mode-map
716 "\177" (function mime-viewer/scroll-down-content))
717 (define-key mime/viewer-mode-map
718 "\C-m" (function mime-viewer/next-line-content))
719 (define-key mime/viewer-mode-map
720 "\C-\M-m" (function mime-viewer/previous-line-content))
721 (define-key mime/viewer-mode-map
722 "v" (function mime-viewer/play-content))
723 (define-key mime/viewer-mode-map
724 "e" (function mime-viewer/extract-content))
725 (define-key mime/viewer-mode-map
726 "\C-c\C-p" (function mime-viewer/print-content))
727 (define-key mime/viewer-mode-map
728 "x" (function mime-viewer/display-x-face))
729 (define-key mime/viewer-mode-map
730 "a" (function mime-viewer/follow-content))
731 (define-key mime/viewer-mode-map
732 "q" (function mime-viewer/quit))
733 (define-key mime/viewer-mode-map
734 "h" (function mime-viewer/show-summary))
735 (define-key mime/viewer-mode-map
736 "\C-c\C-x" (function mime-viewer/kill-buffer))
737 (define-key mime/viewer-mode-map
738 "<" (function beginning-of-buffer))
739 (define-key mime/viewer-mode-map
740 ">" (function end-of-buffer))
741 (define-key mime/viewer-mode-map
742 "?" (function describe-mode))
744 (define-key mime/viewer-mode-map
745 mouse-button-2 (function tm:button-dispatcher))
747 (cond (running-xemacs
748 (define-key mime/viewer-mode-map
749 mouse-button-3 (function mime-viewer/xemacs-popup-menu))
751 ((>= emacs-major-version 19)
752 (define-key mime/viewer-mode-map [menu-bar mime-view]
753 (cons mime-viewer/menu-title
754 (make-sparse-keymap mime-viewer/menu-title)))
757 (define-key mime/viewer-mode-map
758 (vector 'menu-bar 'mime-view (car item))
759 (cons (nth 1 item)(nth 2 item))
762 (reverse mime-viewer/menu-list)
765 (use-local-map mime/viewer-mode-map)
766 (run-hooks 'mime-viewer/define-keymap-hook)
769 (defun mime/viewer-mode (&optional mother ctl encoding ibuf obuf
771 "Major mode for viewing MIME message.
773 Here is a list of the standard keys for mime/viewer-mode.
778 u Move to upper content
779 p Move to previous content
780 n Move to next content
781 SPC Scroll up or move to next content
782 M-SPC Scroll down or move to previous content
783 DEL Scroll down or move to previous content
784 RET Move to next line
785 M-RET Move to previous line
786 v Decode current content as `play mode'
787 e Decode current content as `extract mode'
788 C-c C-p Decode current content as `print mode'
789 a Followup to current content.
792 button-2 Move to point under the mouse cursor
793 and decode current content as `play mode'
796 (let ((buf (get-buffer mime/output-buffer-name)))
802 (let ((ret (mime-viewer/setup-buffer ctl encoding ibuf obuf))
803 (win-conf (current-window-configuration))
806 (switch-to-buffer (car ret))
807 (setq mime::preview/original-window-configuration win-conf)
810 (setq mime::preview/mother-buffer mother)
812 (mime-viewer/define-keymap mother-keymap)
813 (setq mime::preview/content-list (nth 1 ret))
815 (let ((ce (mime::preview-content-info/point-max
816 (car mime::preview/content-list)
819 (goto-char (point-min))
820 (search-forward "\n\n" nil t)
821 (setq e (match-end 0))
825 (run-hooks 'mime/viewer-mode-hook)
828 (defun mime-preview/point-content-number (point)
829 (save-window-excursion
830 (let ((pc (mime-preview/point-pcinfo (point)))
832 (switch-to-buffer (mime::preview-content-info/buffer pc))
833 (setq cinfo (mime::preview-content-info/content-info pc))
834 (mime-article/point-content-number (mime::content-info/point-min cinfo))
837 (defun mime-preview/cinfo-to-pcinfo (cinfo)
838 (let ((rpcl mime::preview/content-list) cell)
841 (setq cell (car rpcl))
842 (if (eq cinfo (mime::preview-content-info/content-info cell))
845 (setq rpcl (cdr rpcl))
848 (autoload 'mime-preview/decode-content "tm-play")
850 (defvar mime-viewer/decoding-mode "play" "MIME body decoding mode")
852 (defun mime-viewer/play-content ()
854 (let ((mime-viewer/decoding-mode "play"))
855 (mime-preview/decode-content)
858 (defun mime-viewer/extract-content ()
860 (let ((mime-viewer/decoding-mode "extract"))
861 (mime-preview/decode-content)
864 (defun mime-viewer/print-content ()
866 (let ((mime-viewer/decoding-mode "print"))
867 (mime-preview/decode-content)
870 (defun mime-viewer/follow-content ()
873 (mime::preview-content-info/content-info
874 (car mime::preview/content-list)))
875 pc p-beg p-end cinfo rcnum)
876 (let ((rest mime::preview/content-list)
879 (while (setq cell (car rest))
880 (setq b (mime::preview-content-info/point-min cell)
881 e (mime::preview-content-info/point-max cell))
882 (setq rest (cdr rest))
883 (if (and (<= b (point))(<= (point) e))
889 cinfo (mime::preview-content-info/content-info pc)
890 rcnum (mime::content-info/rcnum cinfo))
891 (setq len (length rcnum))
892 (setq p-beg (mime::preview-content-info/point-min pc)
893 p-end (mime::preview-content-info/point-max pc))
894 (while (and (setq cell (car rest))
897 (mime::content-info/rcnum
898 (mime::preview-content-info/content-info
901 (nthcdr (- (length rc) len) rc))
903 (setq p-end (mime::preview-content-info/point-max cell))
904 (setq rest (cdr rest))
907 (let* ((mode (mime-preview/get-original-major-mode))
908 (new-name (format "%s-%s" (buffer-name) (reverse rcnum)))
910 (the-buf (current-buffer))
911 (a-buf mime::preview/article-buffer)
912 (hb (mime::content-info/point-min cinfo))
913 (he (mime::content-info/point-max cinfo))
914 fields from to cc reply-to subj mid f)
916 (set-buffer (setq new-buf (get-buffer-create new-name)))
918 (insert-buffer-substring the-buf p-beg p-end)
919 (goto-char (point-min))
920 (if (mime-viewer/header-visible-p rcnum root-cinfo)
921 (delete-region (goto-char (point-min))
922 (if (re-search-forward "^$" nil t)
926 (goto-char (point-min))
928 (goto-char (point-min))
929 (let ((rcnum (mime::content-info/rcnum cinfo)) ci str)
934 (setq ci (mime-article/rcnum-to-cinfo rcnum))
937 (mime::content-info/point-min ci)
938 (mime::content-info/point-max ci)
940 (rfc822/get-header-string-except
942 (apply (function regexp-or) fields)
944 (if (string-equal (mime::content-info/type ci)
951 (setq fields (rfc822/get-field-names)
955 (mime/decode-message-header)
957 (funcall (cdr (assq mode mime-viewer/following-method-alist))
961 (defun mime-viewer/display-x-face ()
963 (save-window-excursion
964 (set-buffer mime::preview/article-buffer)
965 (mime-viewer/x-face-function)
968 (defun mime-viewer/up-content ()
970 (let* ((pc (mime-preview/point-pcinfo (point)))
971 (cinfo (mime::preview-content-info/content-info pc))
972 (rcnum (mime::content-info/rcnum cinfo))
975 (let ((r (save-excursion
976 (set-buffer (mime::preview-content-info/buffer pc))
977 (mime-article/rcnum-to-cinfo (cdr rcnum))
979 (rpcl mime::preview/content-list)
982 (setq cell (car rpcl))
983 (not (eq r (mime::preview-content-info/content-info cell)))
985 (setq rpcl (cdr rpcl))
987 (goto-char (mime::preview-content-info/point-min cell))
992 (defun mime-viewer/previous-content ()
994 (let* ((pcl mime::preview/content-list)
996 (i (- (length pcl) 1))
1000 (setq beg (mime::preview-content-info/point-min (nth i pcl)))
1002 (throw 'tag (goto-char beg))
1006 (let ((f (assq mime::preview/original-major-mode
1007 mime-viewer/over-to-previous-method-alist)))
1014 (defun mime-viewer/next-content ()
1016 (let ((pcl mime::preview/content-list)
1021 (setq beg (mime::preview-content-info/point-min (car pcl)))
1023 (throw 'tag (goto-char beg))
1025 (setq pcl (cdr pcl))
1027 (let ((f (assq mime::preview/original-major-mode
1028 mime-viewer/over-to-next-method-alist)))
1035 (defun mime-viewer/scroll-up-content (&optional h)
1038 (setq h (- (window-height) 1))
1040 (if (= (point) (point-max))
1041 (let ((f (assq mime::preview/original-major-mode
1042 mime-viewer/over-to-next-method-alist)))
1046 (let ((pcl mime::preview/content-list)
1052 (setq beg (mime::preview-content-info/point-min (car pcl)))
1056 (setq pcl (cdr pcl))
1067 (defun mime-viewer/scroll-down-content (&optional h)
1070 (setq h (- (window-height) 1))
1072 (if (= (point) (point-min))
1073 (let ((f (assq mime::preview/original-major-mode
1074 mime-viewer/over-to-previous-method-alist)))
1078 (let ((pcl mime::preview/content-list)
1082 (or (let ((i (- (length pcl) 1)))
1085 (setq beg (mime::preview-content-info/point-min
1093 (forward-line (- h))
1099 (defun mime-viewer/next-line-content ()
1101 (mime-viewer/scroll-up-content 1)
1104 (defun mime-viewer/previous-line-content ()
1106 (mime-viewer/scroll-down-content 1)
1109 (defun mime-viewer/quit ()
1111 (let ((r (save-excursion
1112 (set-buffer (mime::preview-content-info/buffer
1113 (mime-preview/point-pcinfo (point))))
1114 (assq major-mode mime-viewer/quitting-method-alist)
1120 (defun mime-viewer/show-summary ()
1122 (let ((r (save-excursion
1124 (mime::preview-content-info/buffer
1125 (mime-preview/point-pcinfo (point)))
1127 (assq major-mode mime-viewer/show-summary-method)
1133 (defun mime-viewer/kill-buffer ()
1135 (kill-buffer (current-buffer))
1144 (run-hooks 'tm-view-load-hook)
1146 ;;; tm-view.el ends here