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: 0.25 $
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 0.25 1997-03-15 23:52:58 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-default-showing-Content-Type-list
141 '("text/plain" nil "text/richtext" "text/enriched"
142 "text/x-latex" "application/x-latex"
143 "message/delivery-status"
144 "application/pgp" "text/x-pgp"
145 "application/octet-stream"
146 "application/x-selection" "application/x-comment"))
148 (defvar mime-view-content-button-ignored-ctype-list
149 '("application/x-selection"))
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 &optional ctype)
201 (mime::content-info/type
202 (mime-article/rcnum-to-cinfo (cdr rcnum) cinfo)
204 (member ctype mime-view-childrens-header-showing-Content-Type-list)
207 (defun mime-view-body-visible-p (rcnum cinfo &optional ctype)
211 (mime::content-info/type
212 (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
215 (and (member ctype mime-view-default-showing-Content-Type-list)
216 (if (string-equal ctype "application/octet-stream")
219 (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
221 (member (mime::content-info/encoding ccinfo)
222 '(nil "7bit" "8bit"))
228 ;;; @@ content button
231 (defun mime-preview/insert-content-button
232 (rcnum cinfo ctype params subj encoding)
234 (narrow-to-region (point)(point))
235 (let ((access-type (assoc "access-type" params))
236 (charset (assoc "charset" params))
237 (num (or (cdr (assoc "x-part-number" params))
241 (format "%s" (1+ num))
247 (let ((server (assoc "server" params)))
248 (setq access-type (cdr access-type))
250 (insert (format "[%s %s ([%s] %s)]\n" num subj
251 access-type (cdr server)))
252 (let ((site (cdr (assoc "site" params)))
253 (dir (cdr (assoc "directory" params)))
255 (insert (format "[%s %s ([%s] %s:%s)]\n" num subj
256 access-type site dir))
260 (insert (concat "[" num " " subj))
262 (if (setq charset (cdr charset))
264 (format " <%s; %s (%s)>]\n"
265 ctype charset encoding)
266 (format " <%s; %s>]\n" ctype charset)
268 (format " <%s>]\n" ctype)
270 (if (>= (+ (current-column)(length rest))(window-width))
271 (setq rest (concat "\n\t" rest))
275 (mime-add-button (point-min)(1- (point-max))
276 (function mime-view-play-content))
279 (defun mime-preview/default-content-button-function
280 (rcnum cinfo ctype params subj encoding)
281 (if (and (consp rcnum)
284 mime-view-content-button-ignored-ctype-list)))
285 (mime-preview/insert-content-button
286 rcnum cinfo ctype params subj encoding)
289 (defvar mime-preview/content-button-function
290 (function mime-preview/default-content-button-function))
293 ;;; @@ content header filter
296 (defun mime-preview/cut-header ()
297 (goto-char (point-min))
299 (re-search-forward mime-view-ignored-field-regexp nil t)
300 (let* ((beg (match-beginning 0))
302 (name (buffer-substring beg end))
304 (if (not (string-match mime-view-visible-field-regexp name))
309 (re-search-forward "^\\([^ \t]\\|$\\)" nil t)
316 (defun mime-view-default-content-header-filter ()
317 (mime-preview/cut-header)
318 (eword-decode-header)
321 (defvar mime-view-content-header-filter-alist nil)
324 ;;; @@ content filter
327 (defvar mime-view-content-filter-alist
328 '(("text/enriched" . mime-preview/filter-for-text/enriched)
329 ("text/richtext" . mime-preview/filter-for-text/richtext)
330 (t . mime-preview/filter-for-text/plain)
334 ;;; @@ content separator
337 (defun mime-preview/default-content-separator (rcnum cinfo ctype params subj)
338 (if (and (not (mime-view-header-visible-p rcnum cinfo ctype))
339 (not (mime-view-body-visible-p rcnum cinfo ctype))
342 (goto-char (point-max))
347 ;;; @@ buffer local variables
350 ;;; @@@ in raw buffer
353 (make-variable-buffer-local 'mime::article/content-info)
355 (defvar mime::article/preview-buffer nil)
356 (make-variable-buffer-local 'mime::article/preview-buffer)
359 ;;; @@@ in view buffer
362 (make-variable-buffer-local 'mime::preview/mother-buffer)
363 (make-variable-buffer-local 'mime::preview/content-list)
365 (defvar mime::preview/article-buffer nil)
366 (make-variable-buffer-local 'mime::preview/article-buffer)
368 (make-variable-buffer-local 'mime::preview/original-major-mode)
369 (make-variable-buffer-local 'mime::preview/original-window-configuration)
372 ;;; @@ quitting method
375 (defvar mime-view-quitting-method-alist
376 '((mime/show-message-mode
377 . mime-view-quitting-method-for-mime/show-message-mode)))
379 (defvar mime-view-over-to-previous-method-alist nil)
380 (defvar mime-view-over-to-next-method-alist nil)
382 (defvar mime-view-show-summary-method nil)
385 ;;; @@ following method
388 (defvar mime-view-following-method-alist nil)
390 (defvar mime-view-following-required-fields-list
397 ;; hack from Gnus 5.0.4.
399 (defvar mime-view-x-face-to-pbm-command
400 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm")
402 (defvar mime-view-x-face-command
403 (concat mime-view-x-face-to-pbm-command
405 "String to be executed to display an X-Face field.
406 The command will be executed in a sub-shell asynchronously.
407 The compressed face will be piped to this command.")
409 (defun mime-view-x-face-function ()
410 "Function to display X-Face field. You can redefine to customize."
411 ;; 1995/10/12 (c.f. tm-eng:130)
412 ;; fixed by Eric Ding <ericding@San-Jose.ate.slb.com>
414 (narrow-to-region (point-min) (re-search-forward "^$" nil t))
416 (goto-char (point-min))
417 (if (re-search-forward "^X-Face:[ \t]*" nil t)
418 (let ((beg (match-end 0))
419 (end (std11-field-end))
421 (call-process-region beg end "sh" nil 0 nil
422 "-c" mime-view-x-face-command)
429 (defun mime-preview/get-original-major-mode ()
430 (if mime::preview/mother-buffer
432 (set-buffer mime::preview/mother-buffer)
433 (mime-preview/get-original-major-mode)
435 mime::preview/original-major-mode))
438 ;;; @ data structures
441 ;;; @@ preview-content-info
444 (define-structure mime::preview-content-info
445 point-min point-max buffer content-info)
451 (defun mime-view-setup-buffer (&optional ctl encoding ibuf obuf)
457 (or mime-view-redisplay
458 (setq mime::article/content-info (mime-parse-message ctl encoding))
460 (let ((ret (mime-view-make-preview-buffer obuf)))
461 (setq mime::article/preview-buffer (car ret))
464 (defun mime-view-make-preview-buffer (&optional obuf)
465 (let* ((cinfo mime::article/content-info)
466 (pcl (mime/flatten-content-info cinfo))
467 (dest (make-list (length pcl) nil))
468 (the-buf (current-buffer))
472 (setq obuf (concat "*Preview-" (buffer-name the-buf) "*")))
473 (set-buffer (get-buffer-create obuf))
474 (setq buffer-read-only nil)
477 (setq mime::preview/article-buffer the-buf)
478 (setq mime::preview/original-major-mode mode)
479 (setq major-mode 'mime-view-mode)
480 (setq mode-name "MIME-View")
484 (mime-preview/display-content (car pcl) cinfo the-buf obuf))
488 (set-buffer-modified-p nil)
489 (setq buffer-read-only t)
494 (defun mime-preview/display-content (content cinfo ibuf obuf)
495 (let* ((beg (mime::content-info/point-min content))
496 (end (mime::content-info/point-max content))
497 (ctype (mime::content-info/type content))
498 (params (mime::content-info/parameters content))
499 (encoding (mime::content-info/encoding content))
500 (rcnum (mime::content-info/rcnum content))
504 (setq he (if (re-search-forward "^$" nil t)
511 (narrow-to-region beg end)
514 (mime-article/get-subject params encoding)))
518 (narrow-to-region nb nb)
519 (funcall mime-preview/content-button-function
520 rcnum cinfo ctype params subj encoding)
521 (if (mime-view-header-visible-p rcnum cinfo ctype)
522 (mime-preview/display-header beg he)
524 (if (and (null rcnum)
526 ctype mime-view-content-button-visible-ctype-list))
528 (goto-char (point-max))
529 (mime-preview/insert-content-button
530 rcnum cinfo ctype params subj encoding)
532 (cond ((mime-view-body-visible-p rcnum cinfo ctype)
533 (mime-preview/display-body he end
534 rcnum cinfo ctype params subj encoding)
536 ((equal ctype "message/partial")
537 (mime-preview/display-message/partial)
540 (null (mime::content-info/children cinfo))
542 (goto-char (point-max))
543 (mime-preview/insert-content-button
544 rcnum cinfo ctype params subj encoding)
546 (mime-preview/default-content-separator rcnum cinfo ctype params subj)
549 (setq ne (point-max))
551 (mime::preview-content-info/create nb (1- ne) ibuf content)
556 (defun mime-preview/display-header (beg end)
558 (narrow-to-region (point)(point))
559 (insert-buffer-substring mime::preview/article-buffer beg end)
560 (let ((f (cdr (assq mime::preview/original-major-mode
561 mime-view-content-header-filter-alist))))
564 (mime-view-default-content-header-filter)
566 (run-hooks 'mime-view-content-header-filter-hook)
569 (defun mime-preview/display-body (beg end
570 rcnum cinfo ctype params subj encoding)
572 (narrow-to-region (point-max)(point-max))
573 (insert-buffer-substring mime::preview/article-buffer beg end)
574 (let ((f (cdr (or (assoc ctype mime-view-content-filter-alist)
575 (assq t mime-view-content-filter-alist)))))
577 (funcall f ctype params encoding)
581 (defun mime-preview/display-message/partial ()
583 (goto-char (point-max))
584 (if (not (search-backward "\n\n" nil t))
587 (let ((be (point-max)))
588 (narrow-to-region be be)
589 (insert mime-view-announcement-for-message/partial)
590 (mime-add-button (point-min)(point-max)
591 (function mime-view-play-content))
594 (defun mime-article/get-uu-filename (param &optional encoding)
595 (if (member (or encoding
596 (cdr (assq 'encoding param))
598 mime-view-uuencode-encoding-name-list)
600 (or (if (re-search-forward "^begin [0-9]+ " nil t)
601 (if (looking-at ".+$")
602 (buffer-substring (match-beginning 0)(match-end 0))
607 (defun mime-article/get-subject (param &optional encoding)
608 (or (std11-find-field-body '("Content-Description" "Subject"))
610 (if (or (and (setq ret (mime/Content-Disposition))
611 (setq ret (assoc "filename" (cdr ret)))
613 (setq ret (assoc "name" param))
614 (setq ret (assoc "x-name" param))
616 (std11-strip-quoted-string (cdr ret))
618 (mime-article/get-uu-filename param encoding)
622 ;;; @ content information
625 (defun mime-article/point-content-number (p &optional cinfo)
627 (setq cinfo mime::article/content-info)
629 (let ((b (mime::content-info/point-min cinfo))
630 (e (mime::content-info/point-max cinfo))
631 (c (mime::content-info/children cinfo))
633 (if (and (<= b p)(<= p e))
634 (or (let (co ret (sn 0))
638 (setq ret (mime-article/point-content-number p co))
639 (cond ((eq ret t) (throw 'tag (list sn)))
640 (ret (throw 'tag (cons sn ret)))
647 (defun mime-article/rcnum-to-cinfo (rcnum &optional cinfo)
649 (setq cinfo mime::article/content-info)
653 (equal (mime::content-info/rcnum ci) rcnum)
655 (mime/flatten-content-info cinfo)
658 (defun mime-article/cnum-to-cinfo (cn &optional cinfo)
660 (setq cinfo mime::article/content-info)
667 (let ((rc (nth sn (mime::content-info/children cinfo))))
669 (mime-article/cnum-to-cinfo (cdr cn) rc)
673 (defun mime/flatten-content-info (&optional cinfo)
675 (setq cinfo mime::article/content-info)
677 (let ((dest (list cinfo))
678 (rcl (mime::content-info/children cinfo))
681 (setq dest (nconc dest (mime/flatten-content-info (car rcl))))
686 (defun mime-preview/point-pcinfo (p &optional pcl)
688 (setq pcl mime::preview/content-list)
694 (if (and (<= (mime::preview-content-info/point-min cell) p)
695 (<= p (mime::preview-content-info/point-max cell))
705 ;;; @ MIME viewer mode
708 (defconst mime-view-menu-title "MIME-View")
709 (defconst mime-view-menu-list
710 '((up "Move to upper content" mime-view-up-content)
711 (previous "Move to previous content" mime-view-previous-content)
712 (next "Move to next content" mime-view-next-content)
713 (scroll-down "Scroll to previous content" mime-view-scroll-down-content)
714 (scroll-up "Scroll to next content" mime-view-scroll-up-content)
715 (play "Play Content" mime-view-play-content)
716 (extract "Extract Content" mime-view-extract-content)
717 (print "Print" mime-view-print-content)
718 (x-face "Show X Face" mime-view-display-x-face)
720 "Menu for MIME Viewer")
722 (cond (running-xemacs
723 (defvar mime-view-xemacs-popup-menu
724 (cons mime-view-menu-title
727 (vector (nth 1 item)(nth 2 item) t)
729 mime-view-menu-list)))
730 (defun mime-view-xemacs-popup-menu (event)
731 "Popup the menu in the MIME Viewer buffer"
733 (select-window (event-window event))
734 (set-buffer (event-buffer event))
735 (popup-menu 'mime-view-xemacs-popup-menu))
736 (defvar mouse-button-2 'button2)
739 (defvar mouse-button-2 [mouse-2])
742 (defun mime-view-define-keymap (&optional default)
743 (let ((mime-view-mode-map (if (keymapp default)
744 (copy-keymap default)
747 (define-key mime-view-mode-map
748 "u" (function mime-view-up-content))
749 (define-key mime-view-mode-map
750 "p" (function mime-view-previous-content))
751 (define-key mime-view-mode-map
752 "n" (function mime-view-next-content))
753 (define-key mime-view-mode-map
754 "\e\t" (function mime-view-previous-content))
755 (define-key mime-view-mode-map
756 "\t" (function mime-view-next-content))
757 (define-key mime-view-mode-map
758 " " (function mime-view-scroll-up-content))
759 (define-key mime-view-mode-map
760 "\M- " (function mime-view-scroll-down-content))
761 (define-key mime-view-mode-map
762 "\177" (function mime-view-scroll-down-content))
763 (define-key mime-view-mode-map
764 "\C-m" (function mime-view-next-line-content))
765 (define-key mime-view-mode-map
766 "\C-\M-m" (function mime-view-previous-line-content))
767 (define-key mime-view-mode-map
768 "v" (function mime-view-play-content))
769 (define-key mime-view-mode-map
770 "e" (function mime-view-extract-content))
771 (define-key mime-view-mode-map
772 "\C-c\C-p" (function mime-view-print-content))
773 (define-key mime-view-mode-map
774 "a" (function mime-view-follow-content))
775 (define-key mime-view-mode-map
776 "q" (function mime-view-quit))
777 (define-key mime-view-mode-map
778 "h" (function mime-view-show-summary))
779 (define-key mime-view-mode-map
780 "\C-c\C-x" (function mime-view-kill-buffer))
781 (define-key mime-view-mode-map
782 "<" (function beginning-of-buffer))
783 (define-key mime-view-mode-map
784 ">" (function end-of-buffer))
785 (define-key mime-view-mode-map
786 "?" (function describe-mode))
787 (if (functionp default)
788 (setq mime-view-mode-map
789 (append mime-view-mode-map (list (cons t default)))
792 (define-key mime-view-mode-map
793 mouse-button-2 (function mime-button-dispatcher))
795 (cond (running-xemacs
796 (define-key mime-view-mode-map
797 mouse-button-3 (function mime-view-xemacs-popup-menu))
799 ((>= emacs-major-version 19)
800 (define-key mime-view-mode-map [menu-bar mime-view]
801 (cons mime-view-menu-title
802 (make-sparse-keymap mime-view-menu-title)))
805 (define-key mime-view-mode-map
806 (vector 'menu-bar 'mime-view (car item))
807 (cons (nth 1 item)(nth 2 item))
810 (reverse mime-view-menu-list)
813 (use-local-map mime-view-mode-map)
814 (run-hooks 'mime-view-define-keymap-hook)
817 (defun mime-view-mode (&optional mother ctl encoding ibuf obuf
818 default-keymap-or-function)
819 "Major mode for viewing MIME message.
821 Here is a list of the standard keys for mime-view-mode.
826 u Move to upper content
827 p or M-TAB Move to previous content
828 n or TAB Move to next content
829 SPC Scroll up or move to next content
830 M-SPC or DEL Scroll down or move to previous content
831 RET Move to next line
832 M-RET Move to previous line
833 v Decode current content as `play mode'
834 e Decode current content as `extract mode'
835 C-c C-p Decode current content as `print mode'
836 a Followup to current content.
839 button-2 Move to point under the mouse cursor
840 and decode current content as `play mode'
843 (let ((buf (get-buffer mime/output-buffer-name)))
849 (let ((ret (mime-view-setup-buffer ctl encoding ibuf obuf))
850 (win-conf (current-window-configuration))
853 (switch-to-buffer (car ret))
854 (setq mime::preview/original-window-configuration win-conf)
857 (setq mime::preview/mother-buffer mother)
859 (mime-view-define-keymap default-keymap-or-function)
860 (setq mime::preview/content-list (nth 1 ret))
862 (let ((ce (mime::preview-content-info/point-max
863 (car mime::preview/content-list)
866 (goto-char (point-min))
867 (search-forward "\n\n" nil t)
868 (setq e (match-end 0))
872 (run-hooks 'mime-view-mode-hook)
875 (defun mime-preview/point-content-number (point)
876 (save-window-excursion
877 (let ((pc (mime-preview/point-pcinfo (point)))
879 (switch-to-buffer (mime::preview-content-info/buffer pc))
880 (setq cinfo (mime::preview-content-info/content-info pc))
881 (mime-article/point-content-number (mime::content-info/point-min cinfo))
884 (defun mime-preview/cinfo-to-pcinfo (cinfo)
885 (let ((rpcl mime::preview/content-list) cell)
888 (setq cell (car rpcl))
889 (if (eq cinfo (mime::preview-content-info/content-info cell))
892 (setq rpcl (cdr rpcl))
895 (autoload 'mime-preview/decode-content "mime-play")
897 (defvar mime-view-decoding-mode "play" "MIME body decoding mode")
899 (defun mime-view-play-content ()
901 (let ((mime-view-decoding-mode "play"))
902 (mime-preview/decode-content)
905 (defun mime-view-extract-content ()
907 (let ((mime-view-decoding-mode "extract"))
908 (mime-preview/decode-content)
911 (defun mime-view-print-content ()
913 (let ((mime-view-decoding-mode "print"))
914 (mime-preview/decode-content)
917 (defun mime-view-follow-content ()
920 (mime::preview-content-info/content-info
921 (car mime::preview/content-list)))
922 pc p-beg p-end cinfo rcnum)
923 (let ((rest mime::preview/content-list)
926 (while (setq cell (car rest))
927 (setq b (mime::preview-content-info/point-min cell)
928 e (mime::preview-content-info/point-max cell))
929 (setq rest (cdr rest))
930 (if (and (<= b (point))(<= (point) e))
936 cinfo (mime::preview-content-info/content-info pc)
937 rcnum (mime::content-info/rcnum cinfo))
938 (setq len (length rcnum))
939 (setq p-beg (mime::preview-content-info/point-min pc)
940 p-end (mime::preview-content-info/point-max pc))
941 (while (and (setq cell (car rest))
944 (mime::content-info/rcnum
945 (mime::preview-content-info/content-info
948 (nthcdr (- (length rc) len) rc))
950 (setq p-end (mime::preview-content-info/point-max cell))
951 (setq rest (cdr rest))
954 (let* ((mode (mime-preview/get-original-major-mode))
955 (new-name (format "%s-%s" (buffer-name) (reverse rcnum)))
957 (the-buf (current-buffer))
958 (a-buf mime::preview/article-buffer)
961 (set-buffer (setq new-buf (get-buffer-create new-name)))
963 (insert-buffer-substring the-buf p-beg p-end)
964 (goto-char (point-min))
965 (if (mime-view-header-visible-p rcnum root-cinfo)
966 (delete-region (goto-char (point-min))
967 (if (re-search-forward "^$" nil t)
971 (goto-char (point-min))
973 (goto-char (point-min))
974 (let ((rcnum (mime::content-info/rcnum cinfo)) ci str)
979 (setq ci (mime-article/rcnum-to-cinfo rcnum))
982 (mime::content-info/point-min ci)
983 (mime::content-info/point-max ci)
985 (std11-header-string-except
987 (apply (function regexp-or) fields)
989 (if (string= (mime::content-info/type ci)
996 (setq fields (std11-collect-field-names)
1000 (let ((rest mime-view-following-required-fields-list))
1002 (let ((field-name (car rest)))
1003 (or (std11-field-body field-name)
1009 (set-buffer the-buf)
1010 (set-buffer mime::preview/mother-buffer)
1011 (set-buffer mime::preview/article-buffer)
1012 (std11-field-body field-name)
1016 (setq rest (cdr rest))
1018 (eword-decode-header)
1020 (let ((f (cdr (assq mode mime-view-following-method-alist))))
1025 "Sorry, following method for %s is not implemented yet."
1030 (defun mime-view-display-x-face ()
1032 (save-window-excursion
1033 (set-buffer mime::preview/article-buffer)
1034 (mime-view-x-face-function)
1037 (defun mime-view-up-content ()
1039 (let* ((pc (mime-preview/point-pcinfo (point)))
1040 (cinfo (mime::preview-content-info/content-info pc))
1041 (rcnum (mime::content-info/rcnum cinfo))
1044 (let ((r (save-excursion
1045 (set-buffer (mime::preview-content-info/buffer pc))
1046 (mime-article/rcnum-to-cinfo (cdr rcnum))
1048 (rpcl mime::preview/content-list)
1051 (setq cell (car rpcl))
1052 (not (eq r (mime::preview-content-info/content-info cell)))
1054 (setq rpcl (cdr rpcl))
1056 (goto-char (mime::preview-content-info/point-min cell))
1061 (defun mime-view-previous-content ()
1063 (let* ((pcl mime::preview/content-list)
1065 (i (- (length pcl) 1))
1069 (setq beg (mime::preview-content-info/point-min (nth i pcl)))
1071 (throw 'tag (goto-char beg))
1075 (let ((f (assq mime::preview/original-major-mode
1076 mime-view-over-to-previous-method-alist)))
1083 (defun mime-view-next-content ()
1085 (let ((pcl mime::preview/content-list)
1090 (setq beg (mime::preview-content-info/point-min (car pcl)))
1092 (throw 'tag (goto-char beg))
1094 (setq pcl (cdr pcl))
1096 (let ((f (assq mime::preview/original-major-mode
1097 mime-view-over-to-next-method-alist)))
1104 (defun mime-view-scroll-up-content (&optional h)
1107 (setq h (- (window-height) 1))
1109 (if (= (point) (point-max))
1110 (let ((f (assq mime::preview/original-major-mode
1111 mime-view-over-to-next-method-alist)))
1115 (let ((pcl mime::preview/content-list)
1121 (setq beg (mime::preview-content-info/point-min (car pcl)))
1125 (setq pcl (cdr pcl))
1136 (defun mime-view-scroll-down-content (&optional h)
1139 (setq h (- (window-height) 1))
1141 (if (= (point) (point-min))
1142 (let ((f (assq mime::preview/original-major-mode
1143 mime-view-over-to-previous-method-alist)))
1147 (let ((pcl mime::preview/content-list)
1151 (or (let ((i (- (length pcl) 1)))
1154 (setq beg (mime::preview-content-info/point-min
1162 (forward-line (- h))
1168 (defun mime-view-next-line-content ()
1170 (mime-view-scroll-up-content 1)
1173 (defun mime-view-previous-line-content ()
1175 (mime-view-scroll-down-content 1)
1178 (defun mime-view-quit ()
1180 (let ((r (save-excursion
1181 (set-buffer (mime::preview-content-info/buffer
1182 (mime-preview/point-pcinfo (point))))
1183 (assq major-mode mime-view-quitting-method-alist)
1189 (defun mime-view-show-summary ()
1191 (let ((r (save-excursion
1193 (mime::preview-content-info/buffer
1194 (mime-preview/point-pcinfo (point)))
1196 (assq major-mode mime-view-show-summary-method)
1202 (defun mime-view-kill-buffer ()
1204 (kill-buffer (current-buffer))
1211 (provide 'mime-view)
1213 (run-hooks 'mime-view-load-hook)
1215 ;;; mime-view.el ends here