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: 0.40 $
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 0.40 1997-03-17 13:11:10 morioka Exp $")
45 (defconst mime-view-version (get-version-string mime-view-RCS-ID))
51 (defvar mime/content-decoding-condition
52 '(((type . "text/plain")
53 (method "tm-plain" nil 'file 'type 'encoding 'mode 'name)
57 (method "tm-html" nil 'file 'type 'encoding 'mode 'name)
60 ((type . "text/x-rot13-47")
61 (method . mime-article/decode-caesar)
64 ((type . "audio/basic")
65 (method "tm-au" nil 'file 'type 'encoding 'mode 'name)
69 ((type . "image/jpeg")
70 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
74 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
77 ((type . "image/tiff")
78 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
81 ((type . "image/x-tiff")
82 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
85 ((type . "image/x-xbm")
86 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
89 ((type . "image/x-pic")
90 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
93 ((type . "image/x-mag")
94 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
98 ((type . "video/mpeg")
99 (method "tm-mpeg" nil 'file 'type 'encoding 'mode 'name)
103 ((type . "application/postscript")
104 (method "tm-ps" nil 'file 'type 'encoding 'mode 'name)
105 (mode "play" "print")
107 ((type . "application/octet-stream")
108 (method "tm-file" nil 'file 'type 'encoding 'mode 'name)
109 (mode "play" "print")
112 ;;((type . "message/external-body")
113 ;; (method "xterm" nil
114 ;; "-e" "showexternal"
115 ;; 'file '"access-type" '"name" '"site" '"directory"))
116 ((type . "message/rfc822")
117 (method . mime-article/view-message/rfc822)
120 ((type . "message/partial")
121 (method . mime-article/decode-message/partial)
124 ((type . "message/external-body")
125 ("access-type" . "anon-ftp")
126 (method . mime-article/decode-message/external-ftp)
129 ((method "metamail" t "-m" "tm" "-x" "-d" "-z" "-e" 'file)
132 ((method "tm-file" nil 'file 'type 'encoding 'mode 'name)
137 (defvar mime-view-childrens-header-showing-Content-Type-list
138 '("message/rfc822" "message/news"))
140 (defvar mime-view-visible-media-type-list
141 '("text/plain" nil "text/richtext" "text/enriched"
142 "text/rfc822-headers"
143 "text/x-latex" "application/x-latex"
144 "message/delivery-status"
145 "application/pgp" "text/x-pgp"
146 "application/octet-stream"
147 "application/x-selection" "application/x-comment")
148 "*List of media-types to be able to display in MIME-View buffer.
149 Each elements are string of TYPE/SUBTYPE, e.g. \"text/plain\".")
151 (defvar mime-view-content-button-ignored-ctype-list
152 '("application/x-selection"))
154 (defvar mime-view-content-button-visible-ctype-list
155 '("application/pgp"))
157 (defvar mime-view-uuencode-encoding-name-list '("x-uue" "x-uuencode"))
159 (defvar mime-view-ignored-field-list
160 '(".*Received" ".*Path" ".*Id" "References"
161 "Replied" "Errors-To"
162 "Lines" "Sender" ".*Host" "Xref"
163 "Content-Type" "Precedence"
165 "All fields that match this list will be hidden in MIME preview buffer.
166 Each elements are regexp of field-name. [mime-view.el]")
168 (defvar mime-view-ignored-field-regexp
170 (apply (function regexp-or) mime-view-ignored-field-list)
173 (defvar mime-view-visible-field-list
174 '("Dnas.*" "Message-Id")
175 "All fields that match this list will be displayed in MIME preview buffer.
176 Each elements are regexp of field-name. [mime-view.el]")
178 (defvar mime-view-visible-field-regexp
180 (apply (function regexp-or) mime-view-visible-field-list)
183 (defvar mime-view-redisplay nil)
185 (defvar mime-view-announcement-for-message/partial
186 (if (and (>= emacs-major-version 19) window-system)
188 \[[ This is message/partial style split message. ]]
189 \[[ Please press `v' key in this buffer ]]
190 \[[ or click here by mouse button-2. ]]"
192 \[[ This is message/partial style split message. ]]
193 \[[ Please press `v' key in this buffer. ]]"
197 ;;; @@ predicate functions
200 (defun mime-view-header-visible-p (rcnum cinfo &optional ctype)
201 "Return non-nil if header of current entity is visible."
206 (mime::content-info/type
207 (mime-article/rcnum-to-cinfo (cdr rcnum) cinfo)
209 (member ctype mime-view-childrens-header-showing-Content-Type-list)
212 (defun mime-view-body-visible-p (rcnum cinfo &optional ctype)
216 (mime::content-info/type
217 (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
220 (and (member ctype mime-view-visible-media-type-list)
221 (if (string-equal ctype "application/octet-stream")
224 (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
226 (member (mime::content-info/encoding ccinfo)
227 '(nil "7bit" "8bit"))
233 ;;; @@ content button
236 (defun mime-view-insert-entity-button (rcnum cinfo ctype params subj encoding)
237 "Insert entity-button."
239 (narrow-to-region (point)(point))
240 (let ((access-type (assoc "access-type" params))
241 (num (or (cdr (assoc "x-part-number" params))
245 (format "%s" (1+ num))
251 (let ((server (assoc "server" params)))
252 (setq access-type (cdr access-type))
254 (insert (format "[%s %s ([%s] %s)]\n" num subj
255 access-type (cdr server)))
256 (let ((site (cdr (assoc "site" params)))
257 (dir (cdr (assoc "directory" params)))
259 (insert (format "[%s %s ([%s] %s:%s)]\n" num subj
260 access-type site dir))
264 (let ((charset (cdr (assoc "charset" params))))
265 (insert (concat "[" num " " subj))
269 (concat "; " charset)
270 (if encoding (concat " (" encoding ")"))
273 (if (>= (+ (current-column)(length rest))(window-width))
279 (mime-add-button (point-min)(1- (point-max))
280 (function mime-view-play-current-entity))
283 (defun mime-preview/default-content-button-function
284 (rcnum cinfo ctype params subj encoding)
285 (if (and (consp rcnum)
288 mime-view-content-button-ignored-ctype-list)))
289 (mime-view-insert-entity-button
290 rcnum cinfo ctype params subj encoding)
293 (defvar mime-preview/content-button-function
294 (function mime-preview/default-content-button-function))
297 ;;; @@ content header filter
300 (defun mime-preview/cut-header ()
301 (goto-char (point-min))
303 (re-search-forward mime-view-ignored-field-regexp nil t)
304 (let* ((beg (match-beginning 0))
306 (name (buffer-substring beg end))
308 (if (not (string-match mime-view-visible-field-regexp name))
313 (re-search-forward "^\\([^ \t]\\|$\\)" nil t)
320 (defun mime-view-default-content-header-filter ()
321 (mime-preview/cut-header)
322 (eword-decode-header)
325 (defvar mime-view-content-header-filter-alist nil)
328 ;;; @@ content filter
331 (defvar mime-view-content-filter-alist
332 '(("text/enriched" . mime-preview/filter-for-text/enriched)
333 ("text/richtext" . mime-preview/filter-for-text/richtext)
334 (t . mime-preview/filter-for-text/plain)
338 ;;; @@ content separator
341 (defun mime-preview/default-content-separator (rcnum cinfo ctype params subj)
342 (if (and (not (mime-view-header-visible-p rcnum cinfo ctype))
343 (not (mime-view-body-visible-p rcnum cinfo ctype))
346 (goto-char (point-max))
351 ;;; @@ buffer local variables
354 ;;; @@@ in raw buffer
357 (make-variable-buffer-local 'mime::article/content-info)
359 (defvar mime::article/preview-buffer nil)
360 (make-variable-buffer-local 'mime::article/preview-buffer)
363 ;;; @@@ in view buffer
366 (make-variable-buffer-local 'mime::preview/mother-buffer)
367 (make-variable-buffer-local 'mime::preview/content-list)
369 (defvar mime::preview/article-buffer nil)
370 (make-variable-buffer-local 'mime::preview/article-buffer)
372 (make-variable-buffer-local 'mime::preview/original-major-mode)
373 (make-variable-buffer-local 'mime::preview/original-window-configuration)
376 ;;; @@ quitting method
379 (defvar mime-view-quitting-method-alist
380 '((mime/show-message-mode
381 . mime-view-quitting-method-for-mime/show-message-mode)))
383 (defvar mime-view-over-to-previous-method-alist nil)
384 (defvar mime-view-over-to-next-method-alist nil)
386 (defvar mime-view-show-summary-method nil)
389 ;;; @@ following method
392 (defvar mime-view-following-method-alist nil)
394 (defvar mime-view-following-required-fields-list
401 ;; hack from Gnus 5.0.4.
403 (defvar mime-view-x-face-to-pbm-command
404 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm")
406 (defvar mime-view-x-face-command
407 (concat mime-view-x-face-to-pbm-command
409 "String to be executed to display an X-Face field.
410 The command will be executed in a sub-shell asynchronously.
411 The compressed face will be piped to this command.")
413 (defun mime-view-x-face-function ()
414 "Function to display X-Face field. You can redefine to customize."
415 ;; 1995/10/12 (c.f. tm-eng:130)
416 ;; fixed by Eric Ding <ericding@San-Jose.ate.slb.com>
418 (narrow-to-region (point-min) (re-search-forward "^$" nil t))
420 (goto-char (point-min))
421 (if (re-search-forward "^X-Face:[ \t]*" nil t)
422 (let ((beg (match-end 0))
423 (end (std11-field-end))
425 (call-process-region beg end "sh" nil 0 nil
426 "-c" mime-view-x-face-command)
433 (defun mime-preview/get-original-major-mode ()
434 (if mime::preview/mother-buffer
436 (set-buffer mime::preview/mother-buffer)
437 (mime-preview/get-original-major-mode)
439 mime::preview/original-major-mode))
442 ;;; @ data structures
445 ;;; @@ preview-content-info
448 (define-structure mime::preview-content-info
449 point-min point-max buffer content-info)
455 (defun mime-view-setup-buffer (&optional ctl encoding ibuf obuf)
461 (or mime-view-redisplay
462 (setq mime::article/content-info (mime-parse-message ctl encoding))
464 (let ((ret (mime-view-make-preview-buffer obuf)))
465 (setq mime::article/preview-buffer (car ret))
468 (defun mime-view-make-preview-buffer (&optional obuf)
469 (let* ((cinfo mime::article/content-info)
470 (pcl (mime/flatten-content-info cinfo))
471 (dest (make-list (length pcl) nil))
472 (the-buf (current-buffer))
476 (setq obuf (concat "*Preview-" (buffer-name the-buf) "*")))
477 (set-buffer (get-buffer-create obuf))
478 (setq buffer-read-only nil)
481 (setq mime::preview/article-buffer the-buf)
482 (setq mime::preview/original-major-mode mode)
483 (setq major-mode 'mime-view-mode)
484 (setq mode-name "MIME-View")
488 (mime-preview/display-content (car pcl) cinfo the-buf obuf))
492 (set-buffer-modified-p nil)
493 (setq buffer-read-only t)
498 (defun mime-preview/display-content (content cinfo ibuf obuf)
499 (let* ((beg (mime::content-info/point-min content))
500 (end (mime::content-info/point-max content))
501 (ctype (mime::content-info/type content))
502 (params (mime::content-info/parameters content))
503 (encoding (mime::content-info/encoding content))
504 (rcnum (mime::content-info/rcnum content))
508 (setq he (if (re-search-forward "^$" nil t)
515 (narrow-to-region beg end)
518 (mime-article/get-subject params encoding)))
522 (narrow-to-region nb nb)
523 (funcall mime-preview/content-button-function
524 rcnum cinfo ctype params subj encoding)
525 (if (mime-view-header-visible-p rcnum cinfo ctype)
526 (mime-preview/display-header beg he)
528 (if (and (null rcnum)
530 ctype mime-view-content-button-visible-ctype-list))
532 (goto-char (point-max))
533 (mime-view-insert-entity-button
534 rcnum cinfo ctype params subj encoding)
536 (cond ((mime-view-body-visible-p rcnum cinfo ctype)
537 (mime-preview/display-body he end
538 rcnum cinfo ctype params subj encoding)
540 ((equal ctype "message/partial")
541 (mime-preview/display-message/partial)
544 (null (mime::content-info/children cinfo))
546 (goto-char (point-max))
547 (mime-view-insert-entity-button
548 rcnum cinfo ctype params subj encoding)
550 (mime-preview/default-content-separator rcnum cinfo ctype params subj)
553 (setq ne (point-max))
555 (mime::preview-content-info/create nb (1- ne) ibuf content)
560 (defun mime-preview/display-header (beg end)
562 (narrow-to-region (point)(point))
563 (insert-buffer-substring mime::preview/article-buffer beg end)
564 (let ((f (cdr (assq mime::preview/original-major-mode
565 mime-view-content-header-filter-alist))))
568 (mime-view-default-content-header-filter)
570 (run-hooks 'mime-view-content-header-filter-hook)
573 (defun mime-preview/display-body (beg end
574 rcnum cinfo ctype params subj encoding)
576 (narrow-to-region (point-max)(point-max))
577 (insert-buffer-substring mime::preview/article-buffer beg end)
578 (let ((f (cdr (or (assoc ctype mime-view-content-filter-alist)
579 (assq t mime-view-content-filter-alist)))))
581 (funcall f ctype params encoding)
585 (defun mime-preview/display-message/partial ()
587 (goto-char (point-max))
588 (if (not (search-backward "\n\n" nil t))
591 (let ((be (point-max)))
592 (narrow-to-region be be)
593 (insert mime-view-announcement-for-message/partial)
594 (mime-add-button (point-min)(point-max)
595 (function mime-view-play-current-entity))
598 (defun mime-article/get-uu-filename (param &optional encoding)
599 (if (member (or encoding
600 (cdr (assq 'encoding param))
602 mime-view-uuencode-encoding-name-list)
604 (or (if (re-search-forward "^begin [0-9]+ " nil t)
605 (if (looking-at ".+$")
606 (buffer-substring (match-beginning 0)(match-end 0))
611 (defun mime-article/get-subject (param &optional encoding)
612 (or (std11-find-field-body '("Content-Description" "Subject"))
614 (if (or (and (setq ret (mime/Content-Disposition))
615 (setq ret (assoc "filename" (cdr ret)))
617 (setq ret (assoc "name" param))
618 (setq ret (assoc "x-name" param))
620 (std11-strip-quoted-string (cdr ret))
622 (mime-article/get-uu-filename param encoding)
626 ;;; @ content information
629 (defun mime-article/point-content-number (p &optional cinfo)
631 (setq cinfo mime::article/content-info)
633 (let ((b (mime::content-info/point-min cinfo))
634 (e (mime::content-info/point-max cinfo))
635 (c (mime::content-info/children cinfo))
637 (if (and (<= b p)(<= p e))
638 (or (let (co ret (sn 0))
642 (setq ret (mime-article/point-content-number p co))
643 (cond ((eq ret t) (throw 'tag (list sn)))
644 (ret (throw 'tag (cons sn ret)))
651 (defun mime-article/rcnum-to-cinfo (rcnum &optional cinfo)
653 (setq cinfo mime::article/content-info)
657 (equal (mime::content-info/rcnum ci) rcnum)
659 (mime/flatten-content-info cinfo)
662 (defun mime-article/cnum-to-cinfo (cn &optional cinfo)
664 (setq cinfo mime::article/content-info)
671 (let ((rc (nth sn (mime::content-info/children cinfo))))
673 (mime-article/cnum-to-cinfo (cdr cn) rc)
677 (defun mime/flatten-content-info (&optional cinfo)
679 (setq cinfo mime::article/content-info)
681 (let ((dest (list cinfo))
682 (rcl (mime::content-info/children cinfo))
685 (setq dest (nconc dest (mime/flatten-content-info (car rcl))))
690 (defun mime-preview/point-pcinfo (p &optional pcl)
692 (setq pcl mime::preview/content-list)
698 (if (and (<= (mime::preview-content-info/point-min cell) p)
699 (<= p (mime::preview-content-info/point-max cell))
709 ;;; @ MIME viewer mode
712 (defconst mime-view-menu-title "MIME-View")
713 (defconst mime-view-menu-list
714 '((up "Move to upper content" mime-view-up-content)
715 (previous "Move to previous content" mime-view-previous-content)
716 (next "Move to next content" mime-view-next-content)
717 (scroll-down "Scroll to previous content" mime-view-scroll-down-content)
718 (scroll-up "Scroll to next content" mime-view-scroll-up-content)
719 (play "Play Content" mime-view-play-current-entity)
720 (extract "Extract Content" mime-view-extract-current-entity)
721 (print "Print" mime-view-print-current-entity)
722 (x-face "Show X Face" mime-view-display-x-face)
724 "Menu for MIME Viewer")
726 (cond (running-xemacs
727 (defvar mime-view-xemacs-popup-menu
728 (cons mime-view-menu-title
731 (vector (nth 1 item)(nth 2 item) t)
733 mime-view-menu-list)))
734 (defun mime-view-xemacs-popup-menu (event)
735 "Popup the menu in the MIME Viewer buffer"
737 (select-window (event-window event))
738 (set-buffer (event-buffer event))
739 (popup-menu 'mime-view-xemacs-popup-menu))
740 (defvar mouse-button-2 'button2)
743 (defvar mouse-button-2 [mouse-2])
746 (defun mime-view-define-keymap (&optional default)
747 (let ((mime-view-mode-map (if (keymapp default)
748 (copy-keymap default)
751 (define-key mime-view-mode-map
752 "u" (function mime-view-up-content))
753 (define-key mime-view-mode-map
754 "p" (function mime-view-previous-content))
755 (define-key mime-view-mode-map
756 "n" (function mime-view-next-content))
757 (define-key mime-view-mode-map
758 "\e\t" (function mime-view-previous-content))
759 (define-key mime-view-mode-map
760 "\t" (function mime-view-next-content))
761 (define-key mime-view-mode-map
762 " " (function mime-view-scroll-up-content))
763 (define-key mime-view-mode-map
764 "\M- " (function mime-view-scroll-down-content))
765 (define-key mime-view-mode-map
766 "\177" (function mime-view-scroll-down-content))
767 (define-key mime-view-mode-map
768 "\C-m" (function mime-view-next-line-content))
769 (define-key mime-view-mode-map
770 "\C-\M-m" (function mime-view-previous-line-content))
771 (define-key mime-view-mode-map
772 "v" (function mime-view-play-current-entity))
773 (define-key mime-view-mode-map
774 "e" (function mime-view-extract-current-entity))
775 (define-key mime-view-mode-map
776 "\C-c\C-p" (function mime-view-print-current-entity))
777 (define-key mime-view-mode-map
778 "a" (function mime-view-follow-content))
779 (define-key mime-view-mode-map
780 "q" (function mime-view-quit))
781 (define-key mime-view-mode-map
782 "h" (function mime-view-show-summary))
783 (define-key mime-view-mode-map
784 "\C-c\C-x" (function mime-view-kill-buffer))
785 (define-key mime-view-mode-map
786 "<" (function beginning-of-buffer))
787 (define-key mime-view-mode-map
788 ">" (function end-of-buffer))
789 (define-key mime-view-mode-map
790 "?" (function describe-mode))
791 (if (functionp default)
792 (setq mime-view-mode-map
793 (append mime-view-mode-map (list (cons t default)))
796 (define-key mime-view-mode-map
797 mouse-button-2 (function mime-button-dispatcher))
799 (cond (running-xemacs
800 (define-key mime-view-mode-map
801 mouse-button-3 (function mime-view-xemacs-popup-menu))
803 ((>= emacs-major-version 19)
804 (define-key mime-view-mode-map [menu-bar mime-view]
805 (cons mime-view-menu-title
806 (make-sparse-keymap mime-view-menu-title)))
809 (define-key mime-view-mode-map
810 (vector 'menu-bar 'mime-view (car item))
811 (cons (nth 1 item)(nth 2 item))
814 (reverse mime-view-menu-list)
817 (use-local-map mime-view-mode-map)
818 (run-hooks 'mime-view-define-keymap-hook)
821 (defun mime-view-mode (&optional mother ctl encoding ibuf obuf
822 default-keymap-or-function)
823 "Major mode for viewing MIME message.
825 Here is a list of the standard keys for mime-view-mode.
830 u Move to upper content
831 p or M-TAB Move to previous content
832 n or TAB Move to next content
833 SPC Scroll up or move to next content
834 M-SPC or DEL Scroll down or move to previous content
835 RET Move to next line
836 M-RET Move to previous line
837 v Decode current content as `play mode'
838 e Decode current content as `extract mode'
839 C-c C-p Decode current content as `print mode'
840 a Followup to current content.
843 button-2 Move to point under the mouse cursor
844 and decode current content as `play mode'
847 (let ((buf (get-buffer mime/output-buffer-name)))
853 (let ((ret (mime-view-setup-buffer ctl encoding ibuf obuf))
854 (win-conf (current-window-configuration))
857 (switch-to-buffer (car ret))
858 (setq mime::preview/original-window-configuration win-conf)
861 (setq mime::preview/mother-buffer mother)
863 (mime-view-define-keymap default-keymap-or-function)
864 (setq mime::preview/content-list (nth 1 ret))
866 (let ((ce (mime::preview-content-info/point-max
867 (car mime::preview/content-list)
870 (goto-char (point-min))
871 (search-forward "\n\n" nil t)
872 (setq e (match-end 0))
876 (run-hooks 'mime-view-mode-hook)
879 (defun mime-preview/point-content-number (point)
880 (save-window-excursion
881 (let ((pc (mime-preview/point-pcinfo (point)))
883 (switch-to-buffer (mime::preview-content-info/buffer pc))
884 (setq cinfo (mime::preview-content-info/content-info pc))
885 (mime-article/point-content-number (mime::content-info/point-min cinfo))
888 (defun mime-preview/cinfo-to-pcinfo (cinfo)
889 (let ((rpcl mime::preview/content-list) cell)
892 (setq cell (car rpcl))
893 (if (eq cinfo (mime::preview-content-info/content-info cell))
896 (setq rpcl (cdr rpcl))
899 (autoload 'mime-view-play-current-entity "mime-play" "Play current entity." t)
901 (defun mime-view-extract-current-entity ()
902 "Extract current entity into file (maybe).
903 It decodes current entity to call internal or external method as
904 \"extract\" mode. The method is selected from variable
905 `mime/content-decoding-condition'."
907 (mime-view-play-current-entity "extract")
910 (defun mime-view-print-current-entity ()
911 "Print current entity (maybe).
912 It decodes current entity to call internal or external method as
913 \"print\" mode. The method is selected from variable
914 `mime/content-decoding-condition'."
916 (mime-view-play-current-entity "print")
919 (defun mime-view-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)
963 (set-buffer (setq new-buf (get-buffer-create new-name)))
965 (insert-buffer-substring the-buf p-beg p-end)
966 (goto-char (point-min))
967 (if (mime-view-header-visible-p rcnum root-cinfo)
968 (delete-region (goto-char (point-min))
969 (if (re-search-forward "^$" nil t)
973 (goto-char (point-min))
975 (goto-char (point-min))
976 (let ((rcnum (mime::content-info/rcnum cinfo)) ci str)
981 (setq ci (mime-article/rcnum-to-cinfo rcnum))
984 (mime::content-info/point-min ci)
985 (mime::content-info/point-max ci)
987 (std11-header-string-except
989 (apply (function regexp-or) fields)
991 (if (string= (mime::content-info/type ci)
998 (setq fields (std11-collect-field-names)
1002 (let ((rest mime-view-following-required-fields-list))
1004 (let ((field-name (car rest)))
1005 (or (std11-field-body field-name)
1011 (set-buffer the-buf)
1012 (set-buffer mime::preview/mother-buffer)
1013 (set-buffer mime::preview/article-buffer)
1014 (std11-field-body field-name)
1018 (setq rest (cdr rest))
1020 (eword-decode-header)
1022 (let ((f (cdr (assq mode mime-view-following-method-alist))))
1027 "Sorry, following method for %s is not implemented yet."
1032 (defun mime-view-display-x-face ()
1034 (save-window-excursion
1035 (set-buffer mime::preview/article-buffer)
1036 (mime-view-x-face-function)
1039 (defun mime-view-up-content ()
1041 (let* ((pc (mime-preview/point-pcinfo (point)))
1042 (cinfo (mime::preview-content-info/content-info pc))
1043 (rcnum (mime::content-info/rcnum cinfo))
1046 (let ((r (save-excursion
1047 (set-buffer (mime::preview-content-info/buffer pc))
1048 (mime-article/rcnum-to-cinfo (cdr rcnum))
1050 (rpcl mime::preview/content-list)
1053 (setq cell (car rpcl))
1054 (not (eq r (mime::preview-content-info/content-info cell)))
1056 (setq rpcl (cdr rpcl))
1058 (goto-char (mime::preview-content-info/point-min cell))
1063 (defun mime-view-previous-content ()
1065 (let* ((pcl mime::preview/content-list)
1067 (i (- (length pcl) 1))
1071 (setq beg (mime::preview-content-info/point-min (nth i pcl)))
1073 (throw 'tag (goto-char beg))
1077 (let ((f (assq mime::preview/original-major-mode
1078 mime-view-over-to-previous-method-alist)))
1085 (defun mime-view-next-content ()
1087 (let ((pcl mime::preview/content-list)
1092 (setq beg (mime::preview-content-info/point-min (car pcl)))
1094 (throw 'tag (goto-char beg))
1096 (setq pcl (cdr pcl))
1098 (let ((f (assq mime::preview/original-major-mode
1099 mime-view-over-to-next-method-alist)))
1106 (defun mime-view-scroll-up-content (&optional h)
1109 (setq h (- (window-height) 1))
1111 (if (= (point) (point-max))
1112 (let ((f (assq mime::preview/original-major-mode
1113 mime-view-over-to-next-method-alist)))
1117 (let ((pcl mime::preview/content-list)
1123 (setq beg (mime::preview-content-info/point-min (car pcl)))
1127 (setq pcl (cdr pcl))
1138 (defun mime-view-scroll-down-content (&optional h)
1141 (setq h (- (window-height) 1))
1143 (if (= (point) (point-min))
1144 (let ((f (assq mime::preview/original-major-mode
1145 mime-view-over-to-previous-method-alist)))
1149 (let ((pcl mime::preview/content-list)
1153 (or (let ((i (- (length pcl) 1)))
1156 (setq beg (mime::preview-content-info/point-min
1164 (forward-line (- h))
1170 (defun mime-view-next-line-content ()
1172 (mime-view-scroll-up-content 1)
1175 (defun mime-view-previous-line-content ()
1177 (mime-view-scroll-down-content 1)
1180 (defun mime-view-quit ()
1182 (let ((r (save-excursion
1183 (set-buffer (mime::preview-content-info/buffer
1184 (mime-preview/point-pcinfo (point))))
1185 (assq major-mode mime-view-quitting-method-alist)
1191 (defun mime-view-show-summary ()
1193 (let ((r (save-excursion
1195 (mime::preview-content-info/buffer
1196 (mime-preview/point-pcinfo (point)))
1198 (assq major-mode mime-view-show-summary-method)
1204 (defun mime-view-kill-buffer ()
1206 (kill-buffer (current-buffer))
1213 (provide 'mime-view)
1215 (run-hooks 'mime-view-load-hook)
1217 ;;; mime-view.el ends here