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: 7.54 $
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.
46 (defconst mime-viewer/RCS-ID
47 "$Id: tm-view.el,v 7.54 1996/04/25 22:43:33 morioka Exp $")
49 (defconst mime-viewer/version (get-version-string mime-viewer/RCS-ID))
50 (defconst mime/viewer-version mime-viewer/version)
56 (defvar mime/content-decoding-condition
57 '(((type . "text/plain")
58 (method "tm-plain" nil 'file 'type 'encoding 'mode 'name))
60 (method "tm-html" nil 'file 'type 'encoding 'mode 'name)
62 ((type . "text/x-rot13-47")
63 (method . mime-article/decode-caesar))
65 ((type . "audio/basic")
66 (method "tm-au" nil 'file 'type 'encoding 'mode 'name))
68 ((type . "image/jpeg")
69 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
71 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
72 ((type . "image/tiff")
73 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
74 ((type . "image/x-tiff")
75 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
76 ((type . "image/x-xbm")
77 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
78 ((type . "image/x-pic")
79 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
80 ((type . "image/x-mag")
81 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
83 ((type . "video/mpeg")
84 (method "tm-mpeg" nil 'file 'type 'encoding 'mode 'name))
86 ((type . "application/octet-stream")
87 (method "tm-file" nil 'file 'type 'encoding 'mode 'name))
89 ;;((type . "message/external-body")
90 ;; (method "xterm" nil
91 ;; "-e" "showexternal"
92 ;; 'file '"access-type" '"name" '"site" '"directory"))
93 ((type . "message/rfc822")
94 (method . mime-article/view-message/rfc822))
95 ((type . "message/partial")
96 (method . mime-article/decode-message/partial))
99 "-m" "tm" "-x" "-d" "-z" "-e" 'file)(mode . "play"))
100 ((method "tm-file" nil 'file 'type 'encoding 'mode 'name)
104 (defvar mime-viewer/childrens-header-showing-Content-Type-list
105 '("message/rfc822" "message/news"))
107 (defvar mime-viewer/default-showing-Content-Type-list
108 '("text/plain" nil "text/richtext" "text/enriched"
109 "text/x-latex" "application/x-latex"
110 "message/delivery-status"
111 "application/pgp" "text/x-pgp"
112 "application/octet-stream"
113 "application/x-selection" "application/x-comment"))
115 (defvar mime-viewer/content-subject-omitting-Content-Type-list
116 '("application/x-selection"))
118 (defvar mime-viewer/content-subject-showing-Content-Type-list
119 '("application/pgp"))
121 (defvar mime-viewer/uuencode-encoding-name-list '("x-uue" "x-uuencode"))
123 (defvar mime-viewer/ignored-field-list
124 '(".*Received" ".*Path" ".*Id" "References"
125 "Replied" "Errors-To"
126 "Lines" "Sender" ".*Host" "Xref"
127 "Content-Type" "Precedence"
129 "All fields that match this list will be hidden in MIME preview buffer.
130 Each elements are regexp of field-name. [tm-view.el]")
132 (defvar mime-viewer/ignored-field-regexp
134 (apply (function regexp-or) mime-viewer/ignored-field-list)
137 (defvar mime-viewer/visible-field-list
139 "All fields that match this list will be displayed in MIME preview buffer.
140 Each elements are regexp of field-name. [tm-view.el]")
142 (defvar mime-viewer/visible-field-regexp
144 (apply (function regexp-or) mime-viewer/visible-field-list)
147 (defvar mime-viewer/redisplay nil)
149 (defvar mime-viewer/announcement-for-message/partial
150 (if (and (>= emacs-major-version 19) window-system)
152 \[[ This is message/partial style split message. ]]
153 \[[ Please press `v' key in this buffer ]]
154 \[[ or click here by mouse button-2. ]]"
156 \[[ This is message/partial style split message. ]]
157 \[[ Please press `v' key in this buffer. ]]"
161 ;;; @@ predicate functions
164 (defun mime-viewer/header-visible-p (rcnum cinfo &optional ctype)
168 (mime::content-info/type
169 (mime-article/rcnum-to-cinfo (cdr rcnum) cinfo)
171 (member ctype mime-viewer/childrens-header-showing-Content-Type-list)
174 (defun mime-viewer/body-visible-p (rcnum cinfo &optional ctype)
178 (mime::content-info/type
179 (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
182 (and (member ctype mime-viewer/default-showing-Content-Type-list)
183 (if (string-equal ctype "application/octet-stream")
186 (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
188 (member (mime::content-info/encoding ccinfo)
189 '(nil "7bit" "8bit"))
195 ;;; @@ content subject
198 (defun mime-viewer/insert-content-subject
199 (rcnum cinfo ctype params subj)
201 (narrow-to-region (point)(point))
203 (let ((access-type (assoc "access-type" params))
204 (num (or (assoc-value "x-part-number" params)
208 (format "%s" (1+ num))
214 (let ((server (assoc "server" params)))
215 (setq access-type (cdr access-type))
217 (format "[%s %s ([%s] %s)]\n" num subj
218 access-type (cdr server))
219 (let ((site (assoc-value "site" params))
220 (dir (assoc-value "directory" params))
222 (format "[%s %s ([%s] %s:%s)]\n" num subj
223 access-type site dir)
225 (format "[%s %s (%s)]\n" num subj ctype)
227 (tm:add-button (point-min)(1- (point-max))
228 (function mime-viewer/play-content))
231 (defun mime-viewer/default-content-subject-function
232 (rcnum cinfo ctype params subj)
233 (if (and (consp rcnum)
236 mime-viewer/content-subject-omitting-Content-Type-list)))
237 (mime-viewer/insert-content-subject
238 rcnum cinfo ctype params subj)
241 (defvar mime-viewer/content-subject-function
242 (function mime-viewer/default-content-subject-function))
245 ;;; @@ content header filter
248 (defun mime-preview/cut-header ()
249 (goto-char (point-min))
251 (re-search-forward mime-viewer/ignored-field-regexp nil t)
252 (let* ((beg (match-beginning 0))
254 (name (buffer-substring beg end))
256 (if (not (string-match mime-viewer/visible-field-regexp name))
261 (re-search-forward "^\\([^ \t]\\|$\\)" nil t)
268 (defun mime-viewer/default-content-header-filter ()
269 (mime-preview/cut-header)
270 (mime/decode-message-header)
273 (defvar mime-viewer/content-header-filter-alist nil)
276 ;;; @@ content filter
279 (defvar mime-viewer/content-filter-alist nil)
281 (defun mime-viewer/default-content-filter (rcnum cinfo ctype params subj)
282 (mime-viewer/filter-text/plain ctype params encoding)
286 ;;; @@ content separator
289 (defun mime-viewer/default-content-separator (rcnum cinfo ctype params subj)
290 (if (and (not (mime-viewer/header-visible-p rcnum cinfo ctype))
291 (not (mime-viewer/body-visible-p rcnum cinfo ctype))
294 (goto-char (point-max))
299 ;;; @@ buffer local variables
303 (defvar mime::article/preview-buffer nil)
304 (defvar mime::article/code-converter nil)
305 (defvar mime::preview/article-buffer nil)
307 (make-variable-buffer-local 'mime::article/content-info)
308 (make-variable-buffer-local 'mime::article/preview-buffer)
309 (make-variable-buffer-local 'mime::article/code-converter)
311 (make-variable-buffer-local 'mime::preview/mother-buffer)
312 (make-variable-buffer-local 'mime::preview/content-list)
313 (make-variable-buffer-local 'mime::preview/article-buffer)
314 (make-variable-buffer-local 'mime::preview/original-major-mode)
315 (make-variable-buffer-local 'mime::preview/original-window-configuration)
318 ;;; @@ quitting method
321 (defvar mime-viewer/quitting-method-alist
322 '((mime/show-message-mode
323 . mime-viewer/quitting-method-for-mime/show-message-mode)))
325 (defvar mime-viewer/over-to-previous-method-alist nil)
326 (defvar mime-viewer/over-to-next-method-alist nil)
328 (defvar mime-viewer/show-summary-method nil)
331 ;;; @@ following method
334 (defvar mime-viewer/following-method-alist nil)
340 ;; hack from Gnus 5.0.4.
342 (defvar mime-viewer/x-face-to-pbm-command
343 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm")
345 (defvar mime-viewer/x-face-command
346 (concat mime-viewer/x-face-to-pbm-command
348 "String to be executed to display an X-Face field.
349 The command will be executed in a sub-shell asynchronously.
350 The compressed face will be piped to this command.")
352 (defun mime-viewer/x-face-function ()
353 "Function to display X-Face field. You can redefine to customize."
354 ;; 1995/10/12 (c.f. tm-eng:130)
355 ;; fixed by Eric Ding <ericding@San-Jose.ate.slb.com>
357 (narrow-to-region (point-min) (re-search-forward "^$" nil t))
359 (goto-char (point-min))
360 (if (re-search-forward "^X-Face:[ \t]*" nil t)
361 (let ((beg (match-end 0))
362 (end (rfc822/field-end))
364 (call-process-region beg end "sh" nil 0 nil
365 "-c" mime-viewer/x-face-command)
372 (defun mime-preview/get-original-major-mode ()
373 (if mime::preview/mother-buffer
375 (set-buffer mime::preview/mother-buffer)
376 (mime-preview/get-original-major-mode)
378 mime::preview/original-major-mode))
381 ;;; @ data structures
384 ;;; @@ preview-content-info
387 (define-structure mime::preview-content-info
388 point-min point-max buffer content-info)
394 (defun mime-viewer/setup-buffer (&optional ctl encoding ibuf obuf)
400 (or mime-viewer/redisplay
401 (setq mime::article/content-info (mime/parse-message ctl encoding))
403 (let ((ret (mime-viewer/make-preview-buffer obuf)))
404 (setq mime::article/preview-buffer (car ret))
407 (defun mime-viewer/make-preview-buffer (&optional obuf)
408 (let ((cinfo mime::article/content-info)
409 (the-buf (current-buffer))
413 (setq obuf (concat "*Preview-" (buffer-name the-buf) "*"))
415 (setq pcl (mime/flatten-content-info cinfo))
416 (let ((bf (get-buffer obuf)))
420 (setq buffer-read-only nil)
423 (setq bf (get-buffer-create obuf))
426 (setq mime::preview/article-buffer the-buf)
427 (setq mime::preview/original-major-mode mode)
428 (setq major-mode 'mime/viewer-mode)
429 (setq mode-name "MIME-View")
432 (cons (mime-viewer/display-content (car pcl) cinfo the-buf obuf)
436 (set-buffer-modified-p nil)
437 (setq buffer-read-only t)
439 (list obuf (nreverse dest))
442 (defun mime-viewer/display-content (content cinfo ibuf obuf)
443 (let* ((beg (mime::content-info/point-min content))
444 (end (mime::content-info/point-max content))
445 (ctype (mime::content-info/type content))
446 (params (mime::content-info/parameters content))
447 (encoding (mime::content-info/encoding content))
448 (rcnum (mime::content-info/rcnum content))
452 (setq he (if (re-search-forward "^$" nil t)
459 (narrow-to-region beg end)
461 (mime-eword/decode-string
462 (mime-article/get-subject params encoding)))
466 (narrow-to-region nb nb)
467 (funcall mime-viewer/content-subject-function
468 rcnum cinfo ctype params subj)
470 (if (mime-viewer/header-visible-p rcnum cinfo ctype)
471 (mime-viewer/display-header beg he obuf)
473 (if (and (null rcnum)
475 ctype mime-viewer/content-subject-showing-Content-Type-list))
478 (goto-char (point-max))
479 (mime-viewer/insert-content-subject rcnum cinfo ctype params subj)
481 (cond ((mime-viewer/body-visible-p rcnum cinfo ctype)
482 (mime-viewer/display-body he end obuf
483 rcnum cinfo ctype params subj encoding)
485 ((equal ctype "message/partial")
486 (mime-viewer/display-message/partial obuf)
489 (null (mime::content-info/children cinfo))
492 (goto-char (point-max))
493 (mime-viewer/insert-content-subject rcnum cinfo ctype params subj)
495 (t (set-buffer obuf))
497 (mime-viewer/default-content-separator rcnum cinfo ctype params subj)
500 (setq ne (point-max))
502 (mime::preview-content-info/create nb (1- ne) ibuf content)
507 (defun mime-viewer/display-header (beg end obuf)
508 (let ((str (buffer-substring beg end))
509 (f (assq major-mode mime-viewer/content-header-filter-alist))
514 (narrow-to-region (point)(point))
516 (if (and f (setq f (cdr f)))
518 (mime-viewer/default-content-header-filter)
520 (run-hooks 'mime-viewer/content-header-filter-hook)
523 (defun mime-viewer/display-body (beg end obuf
524 rcnum cinfo ctype params subj encoding)
525 (let ((str (buffer-substring beg end))
529 (setq be (point-max))
530 (narrow-to-region be be)
532 (let ((f (assoc-value ctype mime-viewer/content-filter-alist)))
533 (if (and f (fboundp f))
534 (funcall f ctype params encoding)
535 (mime-viewer/default-content-filter rcnum cinfo ctype params subj)
539 (defun mime-viewer/display-message/partial (obuf)
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))
669 (defvar mime-viewer/code-converter-alist
670 '((mime/show-message-mode . mime/code-convert-region-to-emacs)
671 (mime/temporary-message-mode . mime/code-convert-region-to-emacs)
674 (defun mime-viewer/default-code-convert-region
675 (beg end charset &optional encoding)
676 (if (member encoding '("quoted-printable" "base64"))
677 (mime/code-convert-region-to-emacs beg (point-max) charset)
680 (defun mime-preview/decode-text-region (beg end charset encoding)
681 (mime/decode-region encoding beg end)
682 (let* ((mode mime::preview/original-major-mode)
683 (m (or (save-excursion
684 (set-buffer mime::preview/article-buffer)
685 mime::article/code-converter)
686 (cdr (assq mode mime-viewer/code-converter-alist))
689 (if (and m (fboundp m))
690 (funcall m beg (point-max) charset encoding)
691 (mime-viewer/default-code-convert-region
692 beg (point-max) charset encoding)
695 (defun mime-viewer/filter-text/plain (ctype params encoding)
696 (let ((charset (cdr (assoc "charset" params)))
697 (beg (point-min)) (end (point-max))
699 (mime-preview/decode-text-region beg end charset encoding)
701 (goto-char (point-max))
702 (if (not (eq (char-after (1- (point))) ?\n))
705 (if browse-url-browser-function
707 (goto-char (point-min))
708 (while (re-search-forward tm:URL-regexp nil t)
709 (let ((beg (match-beginning 0))
711 (tm:add-button beg end
712 (function tm:browse-url)
713 (list (buffer-substring beg end))))
715 (run-hooks 'mime-viewer/plain-text-preview-hook)
719 ;;; @ MIME viewer mode
722 (defconst mime-viewer/menu-title "MIME-View")
723 (defconst mime-viewer/menu-list
724 '((up "Move to upper content" mime-viewer/up-content)
725 (previous "Move to previous content" mime-viewer/previous-content)
726 (next "Move to next content" mime-viewer/next-content)
727 (scroll-down "Scroll to previous content" mime-viewer/scroll-down-content)
728 (scroll-up "Scroll to next content" mime-viewer/scroll-up-content)
729 (play "Play Content" mime-viewer/play-content)
730 (extract "Extract Content" mime-viewer/extract-content)
731 (print "Print" mime-viewer/print-content)
732 (x-face "Show X Face" mime-viewer/display-x-face)
734 "Menu for MIME Viewer")
736 (defvar mime/viewer-mode-map nil)
737 (if (null mime/viewer-mode-map)
739 (setq mime/viewer-mode-map (make-keymap))
740 (suppress-keymap mime/viewer-mode-map)
741 (define-key mime/viewer-mode-map
742 "u" (function mime-viewer/up-content))
743 (define-key mime/viewer-mode-map
744 "p" (function mime-viewer/previous-content))
745 (define-key mime/viewer-mode-map
746 "n" (function mime-viewer/next-content))
747 (define-key mime/viewer-mode-map
748 " " (function mime-viewer/scroll-up-content))
749 (define-key mime/viewer-mode-map
750 "\M- " (function mime-viewer/scroll-down-content))
751 (define-key mime/viewer-mode-map
752 "\177" (function mime-viewer/scroll-down-content))
753 (define-key mime/viewer-mode-map
754 "\C-m" (function mime-viewer/next-line-content))
755 (define-key mime/viewer-mode-map
756 "\C-\M-m" (function mime-viewer/previous-line-content))
757 (define-key mime/viewer-mode-map
758 "v" (function mime-viewer/play-content))
759 (define-key mime/viewer-mode-map
760 "e" (function mime-viewer/extract-content))
761 (define-key mime/viewer-mode-map
762 "\C-c\C-p" (function mime-viewer/print-content))
763 (define-key mime/viewer-mode-map
764 "x" (function mime-viewer/display-x-face))
765 (define-key mime/viewer-mode-map
766 "a" (function mime-viewer/follow-content))
767 (define-key mime/viewer-mode-map
768 "q" (function mime-viewer/quit))
769 (define-key mime/viewer-mode-map
770 "h" (function mime-viewer/show-summary))
771 (define-key mime/viewer-mode-map
772 "\C-c\C-x" (function mime-viewer/kill-buffer))
773 (define-key mime/viewer-mode-map
774 "<" (function beginning-of-buffer))
775 (define-key mime/viewer-mode-map
776 ">" (function end-of-buffer))
778 (define-key mime/viewer-mode-map
779 mouse-button-2 (function tm:button-dispatcher))
781 (cond (running-xemacs
782 (defvar mime-viewer/xemacs-popup-menu
783 (cons mime-viewer/menu-title
786 (vector (nth 1 item)(nth 2 item) t)
788 mime-viewer/menu-list)))
789 (defun mime-viewer/xemacs-popup-menu (event)
790 "Popup the menu in the MIME Viewer buffer"
792 (select-window (event-window event))
793 (set-buffer (event-buffer event))
794 (popup-menu 'mime-viewer/xemacs-popup-menu))
795 (define-key mime/viewer-mode-map
796 mouse-button-3 (function mime-viewer/xemacs-popup-menu))
798 ((>= emacs-major-version 19)
799 (define-key mime/viewer-mode-map [menu-bar mime-view]
800 (cons mime-viewer/menu-title
801 (make-sparse-keymap mime-viewer/menu-title)))
804 (define-key mime/viewer-mode-map
805 (vector 'menu-bar 'mime-view (car item))
806 (cons (nth 1 item)(nth 2 item))
809 (reverse mime-viewer/menu-list)
814 (defun mime/viewer-mode (&optional mother ctl encoding ibuf obuf)
815 "Major mode for viewing MIME message.
817 Here is a list of the standard keys for mime/viewer-mode.
822 u Move to upper content
823 p Move to previous content
824 n Move to next content
825 SPC Scroll up or move to next content
826 M-SPC Scroll down or move to previous content
827 DEL Scroll down or move to previous content
828 RET Move to next line
829 M-RET Move to previous line
830 v Decode current content as `play mode'
831 e Decode current content as `extract mode'
832 C-c C-p Decode current content as `print mode'
835 button-2 Move to point under the mouse cursor
836 and decode current content as `play mode'
839 Here are all the commands with their current binding,
842 \\{mime/viewer-mode-map}
845 (let ((buf (get-buffer mime/output-buffer-name)))
851 (let ((ret (mime-viewer/setup-buffer ctl encoding ibuf obuf))
852 (win-conf (current-window-configuration))
855 (switch-to-buffer (car ret))
856 (setq mime::preview/original-window-configuration win-conf)
859 (setq mime::preview/mother-buffer mother)
861 (use-local-map mime/viewer-mode-map)
862 (setq mime::preview/content-list (nth 1 ret))
864 (let ((ce (mime::preview-content-info/point-max
865 (car mime::preview/content-list)
868 (goto-char (point-min))
869 (search-forward "\n\n" nil t)
870 (setq e (match-end 0))
874 (run-hooks 'mime/viewer-mode-hook)
877 (defun mime-preview/point-content-number (point)
878 (save-window-excursion
879 (let ((pc (mime-preview/point-pcinfo (point)))
881 (switch-to-buffer (mime::preview-content-info/buffer pc))
882 (setq cinfo (mime::preview-content-info/content-info pc))
883 (mime-article/point-content-number (mime::content-info/point-min cinfo))
886 (defun mime-preview/cinfo-to-pcinfo (cinfo)
887 (let ((rpcl mime::preview/content-list) cell)
890 (setq cell (car rpcl))
891 (if (eq cinfo (mime::preview-content-info/content-info cell))
894 (setq rpcl (cdr rpcl))
897 (autoload 'mime-preview/decode-content "tm-play")
899 (defvar mime-viewer/decoding-mode "play" "MIME body decoding mode")
901 (defun mime-viewer/play-content ()
903 (let ((mime-viewer/decoding-mode "play"))
904 (mime-preview/decode-content)
907 (defun mime-viewer/extract-content ()
909 (let ((mime-viewer/decoding-mode "extract"))
910 (mime-preview/decode-content)
913 (defun mime-viewer/print-content ()
915 (let ((mime-viewer/decoding-mode "print"))
916 (mime-preview/decode-content)
919 (defun mime-viewer/follow-content ()
922 (mime::preview-content-info/content-info
923 (car mime::preview/content-list)))
924 pc p-beg p-end cinfo rcnum)
925 (let ((rest mime::preview/content-list)
928 (while (setq cell (car rest))
929 (setq b (mime::preview-content-info/point-min cell)
930 e (mime::preview-content-info/point-max cell))
931 (setq rest (cdr rest))
932 (if (and (<= b (point))(<= (point) e))
938 cinfo (mime::preview-content-info/content-info pc)
939 rcnum (mime::content-info/rcnum cinfo))
940 (setq len (length rcnum))
941 (setq p-beg (mime::preview-content-info/point-min pc)
942 p-end (mime::preview-content-info/point-max pc))
943 (while (and (setq cell (car rest))
946 (mime::content-info/rcnum
947 (mime::preview-content-info/content-info
950 (nthcdr (- (length rc) len) rc))
952 (setq p-end (mime::preview-content-info/point-max cell))
953 (setq rest (cdr rest))
956 (let* ((mode (mime-preview/get-original-major-mode))
957 (new-name (format "%s-%s" (buffer-name) (reverse rcnum)))
959 (the-buf (current-buffer))
960 (a-buf mime::preview/article-buffer)
961 (hb (mime::content-info/point-min cinfo))
962 (he (mime::content-info/point-max cinfo))
963 fields from to cc reply-to subj mid f)
965 (set-buffer (setq new-buf (get-buffer-create new-name)))
967 (insert-buffer-substring the-buf p-beg p-end)
968 (goto-char (point-min))
969 (if (mime-viewer/header-visible-p rcnum root-cinfo)
970 (delete-region (goto-char (point-min))
971 (if (re-search-forward "^$" nil t)
975 (goto-char (point-min))
977 (goto-char (point-min))
978 (let ((rcnum (mime::content-info/rcnum cinfo)) ci str)
983 (setq ci (mime-article/rcnum-to-cinfo rcnum))
986 (mime::content-info/point-min ci)
987 (mime::content-info/point-max ci)
989 (rfc822/get-header-string-except
991 (apply (function regexp-or) fields)
993 (if (string-equal (mime::content-info/type ci)
1000 (setq fields (rfc822/get-field-names)
1004 (mime/decode-message-header)
1006 (funcall (cdr (assq mode mime-viewer/following-method-alist))
1010 (defun mime-viewer/display-x-face ()
1012 (save-window-excursion
1013 (set-buffer mime::preview/article-buffer)
1014 (mime-viewer/x-face-function)
1017 (defun mime-viewer/up-content ()
1019 (let* ((pc (mime-preview/point-pcinfo (point)))
1020 (cinfo (mime::preview-content-info/content-info pc))
1021 (rcnum (mime::content-info/rcnum cinfo))
1024 (let ((r (save-excursion
1025 (set-buffer (mime::preview-content-info/buffer pc))
1026 (mime-article/rcnum-to-cinfo (cdr rcnum))
1028 (rpcl mime::preview/content-list)
1031 (setq cell (car rpcl))
1032 (not (eq r (mime::preview-content-info/content-info cell)))
1034 (setq rpcl (cdr rpcl))
1036 (goto-char (mime::preview-content-info/point-min cell))
1041 (defun mime-viewer/previous-content ()
1043 (let* ((pcl mime::preview/content-list)
1045 (i (- (length pcl) 1))
1049 (setq beg (mime::preview-content-info/point-min (nth i pcl)))
1051 (throw 'tag (goto-char beg))
1055 (let ((f (assq mime::preview/original-major-mode
1056 mime-viewer/over-to-previous-method-alist)))
1063 (defun mime-viewer/next-content ()
1065 (let ((pcl mime::preview/content-list)
1070 (setq beg (mime::preview-content-info/point-min (car pcl)))
1072 (throw 'tag (goto-char beg))
1074 (setq pcl (cdr pcl))
1076 (let ((f (assq mime::preview/original-major-mode
1077 mime-viewer/over-to-next-method-alist)))
1084 (defun mime-viewer/scroll-up-content (&optional h)
1087 (setq h (- (window-height) 1))
1089 (if (= (point) (point-max))
1090 (let ((f (assq mime::preview/original-major-mode
1091 mime-viewer/over-to-next-method-alist)))
1095 (let ((pcl mime::preview/content-list)
1101 (setq beg (mime::preview-content-info/point-min (car pcl)))
1105 (setq pcl (cdr pcl))
1116 (defun mime-viewer/scroll-down-content (&optional h)
1119 (setq h (- (window-height) 1))
1121 (if (= (point) (point-min))
1122 (let ((f (assq mime::preview/original-major-mode
1123 mime-viewer/over-to-previous-method-alist)))
1127 (let ((pcl mime::preview/content-list)
1131 (or (let ((i (- (length pcl) 1)))
1134 (setq beg (mime::preview-content-info/point-min
1142 (forward-line (- h))
1148 (defun mime-viewer/next-line-content ()
1150 (mime-viewer/scroll-up-content 1)
1153 (defun mime-viewer/previous-line-content ()
1155 (mime-viewer/scroll-down-content 1)
1158 (defun mime-viewer/quit ()
1160 (let ((r (save-excursion
1161 (set-buffer (mime::preview-content-info/buffer
1162 (mime-preview/point-pcinfo (point))))
1163 (assq major-mode mime-viewer/quitting-method-alist)
1169 (defun mime-viewer/show-summary ()
1171 (let ((r (save-excursion
1173 (mime::preview-content-info/buffer
1174 (mime-preview/point-pcinfo (point)))
1176 (assq major-mode mime-viewer/show-summary-method)
1182 (defun mime-viewer/kill-buffer ()
1184 (kill-buffer (current-buffer))
1193 (run-hooks 'tm-view-load-hook)
1195 ;;; tm-view.el ends here