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: 0.91 $
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 0.91 1997-05-28 13:16:15 morioka Exp $")
45 (defconst mime-view-version (get-version-string mime-view-RCS-ID))
51 (defvar mime-acting-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-display-caesar)
64 ((type . "text/x-rot13-47-48")
65 (method . mime-display-caesar)
68 ((type . "audio/basic")
69 (method "tm-au" nil 'file 'type 'encoding 'mode 'name)
73 ((type . "image/jpeg")
74 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
78 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
82 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
85 ((type . "image/tiff")
86 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
89 ((type . "image/x-tiff")
90 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
93 ((type . "image/x-xbm")
94 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
97 ((type . "image/x-pic")
98 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
101 ((type . "image/x-mag")
102 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
103 (mode "play" "print")
106 ((type . "video/mpeg")
107 (method "tm-mpeg" nil 'file 'type 'encoding 'mode 'name)
111 ((type . "application/postscript")
112 (method "tm-ps" nil 'file 'type 'encoding 'mode 'name)
113 (mode "play" "print")
115 ((type . "application/octet-stream")
116 (method "tm-file" nil 'file 'type 'encoding 'mode 'name)
117 (mode "play" "print")
120 ;;((type . "message/external-body")
121 ;; (method "xterm" nil
122 ;; "-e" "showexternal"
123 ;; 'file '"access-type" '"name" '"site" '"directory"))
124 ((type . "message/external-body")
125 ("access-type" . "anon-ftp")
126 (method . mime-article/decode-message/external-ftp)
128 ((type . "message/rfc822")
129 (method . mime-article/view-message/rfc822)
132 ((type . "message/partial")
133 (method . mime-article/decode-message/partial)
137 ((method "metamail" t "-m" "tm" "-x" "-d" "-z" "-e" 'file)
140 ((method "tm-file" nil 'file 'type 'encoding 'mode 'name)
145 (defvar mime-view-childrens-header-showing-Content-Type-list
146 '("message/rfc822" "message/news"))
148 (defvar mime-view-visible-media-type-list
149 '("text/plain" nil "text/richtext" "text/enriched"
150 "text/rfc822-headers"
151 "text/x-latex" "application/x-latex"
152 "message/delivery-status"
153 "application/pgp" "text/x-pgp"
154 "application/octet-stream"
155 "application/x-selection" "application/x-comment")
156 "*List of media-types to be able to display in MIME-View buffer.
157 Each elements are string of TYPE/SUBTYPE, e.g. \"text/plain\".")
159 (defvar mime-view-content-button-visible-ctype-list
160 '("application/pgp"))
162 (defvar mime-view-uuencode-encoding-name-list '("x-uue" "x-uuencode"))
164 (defvar mime-view-ignored-field-list
165 '(".*Received" ".*Path" ".*Id" "References"
166 "Replied" "Errors-To"
167 "Lines" "Sender" ".*Host" "Xref"
168 "Content-Type" "Precedence"
170 "All fields that match this list will be hidden in MIME preview buffer.
171 Each elements are regexp of field-name. [mime-view.el]")
173 (defvar mime-view-ignored-field-regexp
175 (apply (function regexp-or) mime-view-ignored-field-list)
178 (defvar mime-view-visible-field-list '("Dnas.*" "Message-Id")
179 "All fields that match this list will be displayed in MIME preview buffer.
180 Each elements are regexp of field-name.")
182 (defvar mime-view-redisplay nil)
184 (defvar mime-view-announcement-for-message/partial
185 (if (and (>= emacs-major-version 19) window-system)
187 \[[ This is message/partial style split message. ]]
188 \[[ Please press `v' key in this buffer ]]
189 \[[ or click here by mouse button-2. ]]"
191 \[[ This is message/partial style split message. ]]
192 \[[ Please press `v' key in this buffer. ]]"
196 ;;; @@ predicate functions
199 (defun mime-view-header-visible-p (rcnum cinfo)
200 "Return non-nil if header of current entity is visible."
202 (member (mime::content-info/type
203 (mime-article/rcnum-to-cinfo (cdr rcnum) cinfo))
204 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-visible-media-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"))
231 (defun mime-view-insert-entity-button (rcnum cinfo ctype params subj encoding)
232 "Insert entity-button."
234 (narrow-to-region (point)(point))
235 (let ((access-type (assoc "access-type" params))
236 (num (or (cdr (assoc "x-part-number" params))
240 (format "%s" (1+ num))
246 (let ((server (assoc "server" params)))
247 (setq access-type (cdr access-type))
249 (insert (format "[%s %s ([%s] %s)]\n" num subj
250 access-type (cdr server)))
251 (let ((site (cdr (assoc "site" params)))
252 (dir (cdr (assoc "directory" params)))
254 (insert (format "[%s %s ([%s] %s:%s)]\n" num subj
255 access-type site dir))
259 (let ((charset (cdr (assoc "charset" params))))
260 (insert (concat "[" num " " subj))
264 (concat "; " charset)
265 (if encoding (concat " (" encoding ")"))
268 (if (>= (+ (current-column)(length rest))(window-width))
274 (mime-add-button (point-min)(1- (point-max))
275 (function mime-view-play-current-entity))
278 (defun mime-view-entity-button-function
279 (rcnum cinfo ctype params subj encoding)
280 "Insert entity button conditionally.
281 Please redefine this function if you want to change default setting."
283 (string= ctype "application/x-selection")
284 (and (string= ctype "application/octet-stream")
285 (string= (mime::content-info/type
286 (mime-article/rcnum-to-cinfo (cdr rcnum) cinfo))
287 "multipart/encrypted"))
288 (mime-view-insert-entity-button rcnum cinfo ctype params subj encoding)
292 ;;; @@ content header filter
295 (defsubst mime-view-cut-header ()
296 (goto-char (point-min))
297 (while (re-search-forward mime-view-ignored-field-regexp nil t)
298 (let* ((beg (match-beginning 0))
300 (name (buffer-substring beg end))
302 (or (member-if (function
304 (string-match regexp name)
305 )) mime-view-visible-field-list)
308 (if (re-search-forward "^\\([^ \t]\\|$\\)" nil t)
313 (defun mime-view-default-content-header-filter ()
314 (mime-view-cut-header)
315 (eword-decode-header)
318 (defvar mime-view-content-header-filter-alist nil)
321 ;;; @@ content filter
324 (defvar mime-view-content-filter-alist
325 '(("text/enriched" . mime-view-filter-for-text/enriched)
326 ("text/richtext" . mime-view-filter-for-text/richtext)
327 (t . mime-view-filter-for-text/plain)
329 "Alist of media-types vs. corresponding MIME-View filter functions.
330 Each element looks like (TYPE/SUBTYPE . FUNCTION) or (t . FUNCTION).
331 TYPE/SUBTYPE is a string of media-type and FUNCTION is a filter
332 function. t means default media-type.")
335 ;;; @@ entity separator
338 (defun mime-view-entity-separator-function (rcnum cinfo ctype params subj)
339 "Insert entity separator conditionally.
340 Please redefine this function if you want to change default setting."
341 (or (mime-view-header-visible-p rcnum cinfo)
342 (mime-view-body-visible-p rcnum cinfo ctype)
344 (goto-char (point-max))
349 ;;; @@ buffer local variables
352 ;;; @@@ in raw buffer
355 (defvar mime::article/content-info
356 "Information about structure of message.
357 Please use reference function `mime::content-info/SLOT-NAME' to
358 reference slot of content-info. Their argument is only content-info.
360 Following is a list of slots of the structure:
362 rcnum reversed content-number (list)
363 point-min beginning point of region in raw-buffer
364 point-max end point of region in raw-buffer
365 type media-type/subtype (string or nil)
366 parameters parameter of Content-Type field (association list)
367 encoding Content-Transfer-Encoding (string or nil)
368 children entities included in this entity (list of content-infos)
370 If a entity includes other entities in its body, such as multipart or
371 message/rfc822, content-infos of other entities are included in
372 `children', so content-info become a tree.")
373 (make-variable-buffer-local 'mime::article/content-info)
375 (defvar mime-view-buffer nil
376 "MIME View buffer corresponding with the (raw) buffer.")
377 (make-variable-buffer-local 'mime-view-buffer)
380 ;;; @@@ in view buffer
383 (defvar mime-mother-buffer nil
384 "Mother buffer corresponding with the (MIME-View) buffer.
385 If current MIME-View buffer is generated by other buffer, such as
386 message/partial, it is called `mother-buffer'.")
387 (make-variable-buffer-local 'mime-mother-buffer)
389 (defvar mime-raw-buffer nil
390 "Raw buffer corresponding with the (MIME-View) buffer.")
391 (make-variable-buffer-local 'mime-raw-buffer)
393 (defvar mime-view-original-major-mode nil
394 "Major-mode in mime-raw-buffer.")
395 (make-variable-buffer-local 'mime-view-original-major-mode)
397 (make-variable-buffer-local 'mime::preview/original-window-configuration)
400 ;;; @@ quitting method
403 (defvar mime-view-quitting-method-alist
404 '((mime-show-message-mode
405 . mime-view-quitting-method-for-mime-show-message-mode))
406 "Alist of major-mode vs. quitting-method of mime-view.")
408 (defvar mime-view-over-to-previous-method-alist nil)
409 (defvar mime-view-over-to-next-method-alist nil)
411 (defvar mime-view-show-summary-method nil
412 "Alist of major-mode vs. show-summary-method.")
415 ;;; @@ following method
418 (defvar mime-view-following-method-alist nil
419 "Alist of major-mode vs. following-method of mime-view.")
421 (defvar mime-view-following-required-fields-list
428 ;; hack from Gnus 5.0.4.
430 (defvar mime-view-x-face-to-pbm-command
431 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm")
433 (defvar mime-view-x-face-command
434 (concat mime-view-x-face-to-pbm-command
436 "String to be executed to display an X-Face field.
437 The command will be executed in a sub-shell asynchronously.
438 The compressed face will be piped to this command.")
440 (defun mime-view-x-face-function ()
441 "Function to display X-Face field. You can redefine to customize."
442 ;; 1995/10/12 (c.f. tm-eng:130)
443 ;; fixed by Eric Ding <ericding@San-Jose.ate.slb.com>
445 (narrow-to-region (point-min) (re-search-forward "^$" nil t))
447 (goto-char (point-min))
448 (if (re-search-forward "^X-Face:[ \t]*" nil t)
449 (let ((beg (match-end 0))
450 (end (std11-field-end))
452 (call-process-region beg end "sh" nil 0 nil
453 "-c" mime-view-x-face-command)
460 (defun mime-view-setup-buffers (&optional ctl encoding ibuf obuf)
466 (or mime-view-redisplay
467 (setq mime::article/content-info (mime-parse-message ctl encoding))
469 (let* ((cinfo mime::article/content-info)
470 (pcl (mime/flatten-content-info cinfo))
471 (the-buf (current-buffer))
475 (setq obuf (concat "*Preview-" (buffer-name the-buf) "*")))
476 (set-buffer (get-buffer-create obuf))
477 (setq buffer-read-only nil)
480 (setq mime-raw-buffer the-buf)
481 (setq mime-view-original-major-mode mode)
482 (setq major-mode 'mime-view-mode)
483 (setq mode-name "MIME-View")
485 (mime-view-display-entity (car pcl) cinfo the-buf obuf)
488 (set-buffer-modified-p nil)
489 (setq buffer-read-only t)
492 (setq mime-view-buffer obuf)
495 (defun mime-view-display-entity (content cinfo ibuf obuf)
496 "Display entity from content-info CONTENT."
497 (let* ((beg (mime::content-info/point-min content))
498 (end (mime::content-info/point-max content))
499 (ctype (mime::content-info/type content))
500 (params (mime::content-info/parameters content))
501 (encoding (mime::content-info/encoding content))
502 (rcnum (mime::content-info/rcnum content))
506 (setq he (if (re-search-forward "^$" nil t)
513 (narrow-to-region beg end)
516 (mime-article/get-subject params encoding)))
520 (narrow-to-region nb nb)
521 (mime-view-entity-button-function rcnum cinfo ctype params subj encoding)
522 (if (mime-view-header-visible-p rcnum cinfo)
523 (mime-preview/display-header beg he)
525 (if (and (null rcnum)
527 ctype mime-view-content-button-visible-ctype-list))
529 (goto-char (point-max))
530 (mime-view-insert-entity-button
531 rcnum cinfo ctype params subj encoding)
533 (cond ((mime-view-body-visible-p rcnum cinfo ctype)
534 (mime-preview/display-body he end
535 rcnum cinfo ctype params subj encoding)
537 ((equal ctype "message/partial")
538 (mime-preview/display-message/partial)
541 (null (mime::content-info/children cinfo))
543 (goto-char (point-max))
544 (mime-view-insert-entity-button
545 rcnum cinfo ctype params subj encoding)
547 (mime-view-entity-separator-function rcnum cinfo ctype params subj)
548 (setq ne (point-max))
550 (put-text-property nb ne 'mime-view-raw-buffer ibuf)
551 (put-text-property nb ne 'mime-view-cinfo content)
555 (defun mime-preview/display-header (beg end)
557 (narrow-to-region (point)(point))
558 (insert-buffer-substring mime-raw-buffer beg end)
559 (let ((f (cdr (assq mime-view-original-major-mode
560 mime-view-content-header-filter-alist))))
563 (mime-view-default-content-header-filter)
565 (run-hooks 'mime-view-content-header-filter-hook)
568 (defun mime-preview/display-body (beg end
569 rcnum cinfo ctype params subj encoding)
571 (narrow-to-region (point-max)(point-max))
572 (insert-buffer-substring mime-raw-buffer beg end)
573 (let ((f (cdr (or (assoc ctype mime-view-content-filter-alist)
574 (assq t mime-view-content-filter-alist)))))
576 (funcall f ctype params encoding)
580 (defun mime-preview/display-message/partial ()
582 (goto-char (point-max))
583 (if (not (search-backward "\n\n" nil t))
586 (let ((be (point-max)))
587 (narrow-to-region be be)
588 (insert mime-view-announcement-for-message/partial)
589 (mime-add-button (point-min)(point-max)
590 (function mime-view-play-current-entity))
593 (defun mime-article/get-uu-filename (param &optional encoding)
594 (if (member (or encoding
595 (cdr (assq 'encoding param))
597 mime-view-uuencode-encoding-name-list)
599 (or (if (re-search-forward "^begin [0-9]+ " nil t)
600 (if (looking-at ".+$")
601 (buffer-substring (match-beginning 0)(match-end 0))
606 (defun mime-article/get-subject (param &optional encoding)
607 (or (std11-find-field-body '("Content-Description" "Subject"))
609 (if (or (and (setq ret (mime/Content-Disposition))
610 (setq ret (assoc "filename" (cdr ret)))
612 (setq ret (assoc "name" param))
613 (setq ret (assoc "x-name" param))
615 (std11-strip-quoted-string (cdr ret))
617 (mime-article/get-uu-filename param encoding)
621 ;;; @ content information
624 (defun mime-article/point-content-number (p &optional cinfo)
626 (setq cinfo mime::article/content-info)
628 (let ((b (mime::content-info/point-min cinfo))
629 (e (mime::content-info/point-max cinfo))
630 (c (mime::content-info/children cinfo))
632 (if (and (<= b p)(<= p e))
633 (or (let (co ret (sn 0))
637 (setq ret (mime-article/point-content-number p co))
638 (cond ((eq ret t) (throw 'tag (list sn)))
639 (ret (throw 'tag (cons sn ret)))
646 (defun mime-article/rcnum-to-cinfo (rcnum &optional cinfo)
648 (setq cinfo mime::article/content-info)
652 (equal (mime::content-info/rcnum ci) rcnum)
654 (mime/flatten-content-info cinfo)
657 (defun mime-article/cnum-to-cinfo (cn &optional cinfo)
659 (setq cinfo mime::article/content-info)
666 (let ((rc (nth sn (mime::content-info/children cinfo))))
668 (mime-article/cnum-to-cinfo (cdr cn) rc)
672 (defun mime/flatten-content-info (&optional cinfo)
674 (setq cinfo mime::article/content-info)
676 (let ((dest (list cinfo))
677 (rcl (mime::content-info/children cinfo))
680 (setq dest (nconc dest (mime/flatten-content-info (car rcl))))
686 ;;; @ MIME viewer mode
689 (defconst mime-view-menu-title "MIME-View")
690 (defconst mime-view-menu-list
691 '((up "Move to upper content" mime-view-move-to-upper)
692 (previous "Move to previous content" mime-view-move-to-previous)
693 (next "Move to next content" mime-view-move-to-next)
694 (scroll-down "Scroll to previous content" mime-view-scroll-down-entity)
695 (scroll-up "Scroll to next content" mime-view-scroll-up-entity)
696 (play "Play Content" mime-view-play-current-entity)
697 (extract "Extract Content" mime-view-extract-current-entity)
698 (print "Print" mime-view-print-current-entity)
699 (x-face "Show X Face" mime-view-display-x-face)
701 "Menu for MIME Viewer")
703 (cond (running-xemacs
704 (defvar mime-view-xemacs-popup-menu
705 (cons mime-view-menu-title
708 (vector (nth 1 item)(nth 2 item) t)
710 mime-view-menu-list)))
711 (defun mime-view-xemacs-popup-menu (event)
712 "Popup the menu in the MIME Viewer buffer"
714 (select-window (event-window event))
715 (set-buffer (event-buffer event))
716 (popup-menu 'mime-view-xemacs-popup-menu))
717 (defvar mouse-button-2 'button2)
720 (defvar mouse-button-2 [mouse-2])
723 (defun mime-view-define-keymap (&optional default)
724 (let ((mime-view-mode-map (if (keymapp default)
725 (copy-keymap default)
728 (define-key mime-view-mode-map
729 "u" (function mime-view-move-to-upper))
730 (define-key mime-view-mode-map
731 "p" (function mime-view-move-to-previous))
732 (define-key mime-view-mode-map
733 "n" (function mime-view-move-to-next))
734 (define-key mime-view-mode-map
735 "\e\t" (function mime-view-move-to-previous))
736 (define-key mime-view-mode-map
737 "\t" (function mime-view-move-to-next))
738 (define-key mime-view-mode-map
739 " " (function mime-view-scroll-up-entity))
740 (define-key mime-view-mode-map
741 "\M- " (function mime-view-scroll-down-entity))
742 (define-key mime-view-mode-map
743 "\177" (function mime-view-scroll-down-entity))
744 (define-key mime-view-mode-map
745 "\C-m" (function mime-view-next-line-content))
746 (define-key mime-view-mode-map
747 "\C-\M-m" (function mime-view-previous-line-content))
748 (define-key mime-view-mode-map
749 "v" (function mime-view-play-current-entity))
750 (define-key mime-view-mode-map
751 "e" (function mime-view-extract-current-entity))
752 (define-key mime-view-mode-map
753 "\C-c\C-p" (function mime-view-print-current-entity))
754 (define-key mime-view-mode-map
755 "a" (function mime-view-follow-current-entity))
756 (define-key mime-view-mode-map
757 "q" (function mime-view-quit))
758 (define-key mime-view-mode-map
759 "h" (function mime-view-show-summary))
760 (define-key mime-view-mode-map
761 "\C-c\C-x" (function mime-view-kill-buffer))
762 ;; (define-key mime-view-mode-map
763 ;; "<" (function beginning-of-buffer))
764 ;; (define-key mime-view-mode-map
765 ;; ">" (function end-of-buffer))
766 (define-key mime-view-mode-map
767 "?" (function describe-mode))
768 (define-key mime-view-mode-map
769 [tab] (function mime-view-move-to-next))
770 (define-key mime-view-mode-map
771 [delete] (function mime-view-scroll-down-entity))
772 (define-key mime-view-mode-map
773 [backspace] (function mime-view-scroll-down-entity))
774 (if (functionp default)
775 (cond (running-xemacs
776 (set-keymap-default-binding mime-view-mode-map default)
779 (setq mime-view-mode-map
780 (append mime-view-mode-map (list (cons t default))))
783 (define-key mime-view-mode-map
784 mouse-button-2 (function mime-button-dispatcher))
786 (cond (running-xemacs
787 (define-key mime-view-mode-map
788 mouse-button-3 (function mime-view-xemacs-popup-menu))
790 ((>= emacs-major-version 19)
791 (define-key mime-view-mode-map [menu-bar mime-view]
792 (cons mime-view-menu-title
793 (make-sparse-keymap mime-view-menu-title)))
796 (define-key mime-view-mode-map
797 (vector 'menu-bar 'mime-view (car item))
798 (cons (nth 1 item)(nth 2 item))
801 (reverse mime-view-menu-list)
804 (use-local-map mime-view-mode-map)
805 (run-hooks 'mime-view-define-keymap-hook)
808 (defsubst mime-hide-echo-buffer ()
809 "Hide mime-echo buffer."
810 (let ((win (get-buffer-window mime-echo-buffer-name)))
815 (defun mime-view-mode (&optional mother ctl encoding ibuf obuf
816 default-keymap-or-function)
817 "Major mode for viewing MIME message.
819 Here is a list of the standard keys for mime-view-mode.
824 u Move to upper content
825 p or M-TAB Move to previous content
826 n or TAB Move to next content
827 SPC Scroll up or move to next content
828 M-SPC or DEL Scroll down or move to previous content
829 RET Move to next line
830 M-RET Move to previous line
831 v Decode current content as `play mode'
832 e Decode current content as `extract mode'
833 C-c C-p Decode current content as `print mode'
834 a Followup to current content.
837 button-2 Move to point under the mouse cursor
838 and decode current content as `play mode'
841 (let ((buf (get-buffer mime-echo-buffer-name)))
846 (mime-hide-echo-buffer)
848 (let ((ret (mime-view-setup-buffers ctl encoding ibuf obuf))
849 (win-conf (current-window-configuration))
852 (switch-to-buffer ret)
853 (setq mime::preview/original-window-configuration win-conf)
856 (setq mime-mother-buffer mother)
858 (mime-view-define-keymap default-keymap-or-function)
859 (let ((point (next-single-property-change (point-min) 'mime-view-cinfo)))
862 (goto-char (point-min))
863 (search-forward "\n\n" nil t)
865 (run-hooks 'mime-view-mode-hook)
872 (autoload 'mime-view-play-current-entity "mime-play" "Play current entity." t)
874 (defun mime-view-extract-current-entity ()
875 "Extract current entity into file (maybe).
876 It decodes current entity to call internal or external method as
877 \"extract\" mode. The method is selected from variable
878 `mime-acting-condition'."
880 (mime-view-play-current-entity "extract")
883 (defun mime-view-print-current-entity ()
884 "Print current entity (maybe).
885 It decodes current entity to call internal or external method as
886 \"print\" mode. The method is selected from variable
887 `mime-acting-condition'."
889 (mime-view-play-current-entity "print")
896 (defun mime-view-get-original-major-mode ()
897 "Return major-mode of original buffer.
898 If a current buffer has mime-mother-buffer, return original major-mode
899 of the mother-buffer."
900 (if mime-mother-buffer
902 (set-buffer mime-mother-buffer)
903 (mime-view-get-original-major-mode)
905 mime-view-original-major-mode))
907 (defun mime-view-follow-current-entity ()
908 "Write follow message to current entity.
909 It calls following-method selected from variable
910 `mime-view-following-method-alist'."
912 (let ((root-cinfo (get-text-property (point-min) 'mime-view-cinfo))
914 (while (null (setq cinfo (get-text-property (point) 'mime-view-cinfo)))
917 (let* ((p-beg (previous-single-property-change (point) 'mime-view-cinfo))
919 (rcnum (mime::content-info/rcnum cinfo))
924 (if (eq (next-single-property-change (point-min)
930 ((eq (next-single-property-change p-beg 'mime-view-cinfo)
934 (setq p-end (next-single-property-change p-beg 'mime-view-cinfo))
936 (setq p-end (point-max))
939 (setq p-end (point-max))
947 (next-single-property-change
948 (point) 'mime-view-cinfo))
950 (let ((rc (mime::content-info/rcnum
951 (get-text-property (point)
953 (or (equal rcnum (nthcdr (- (length rc) len) rc))
958 (setq p-end (point-max))
961 (let* ((mode (mime-view-get-original-major-mode))
962 (new-name (format "%s-%s" (buffer-name) (reverse rcnum)))
964 (the-buf (current-buffer))
965 (a-buf mime-raw-buffer)
968 (set-buffer (setq new-buf (get-buffer-create new-name)))
970 (insert-buffer-substring the-buf p-beg p-end)
971 (goto-char (point-min))
972 (if (mime-view-header-visible-p rcnum root-cinfo)
973 (delete-region (goto-char (point-min))
974 (if (re-search-forward "^$" nil t)
978 (goto-char (point-min))
980 (goto-char (point-min))
981 (let ((rcnum (mime::content-info/rcnum cinfo)) ci str)
986 (setq ci (mime-article/rcnum-to-cinfo rcnum))
989 (mime::content-info/point-min ci)
990 (mime::content-info/point-max ci)
992 (std11-header-string-except
994 (apply (function regexp-or) fields)
996 (if (string= (mime::content-info/type ci)
1003 (setq fields (std11-collect-field-names)
1007 (let ((rest mime-view-following-required-fields-list))
1009 (let ((field-name (car rest)))
1010 (or (std11-field-body field-name)
1016 (set-buffer the-buf)
1017 (set-buffer mime-mother-buffer)
1018 (set-buffer mime-raw-buffer)
1019 (std11-field-body field-name)
1023 (setq rest (cdr rest))
1025 (eword-decode-header)
1027 (let ((f (cdr (assq mode mime-view-following-method-alist))))
1032 "Sorry, following method for %s is not implemented yet."
1041 (defun mime-view-display-x-face ()
1043 (save-window-excursion
1044 (set-buffer mime-raw-buffer)
1045 (mime-view-x-face-function)
1052 (defun mime-view-move-to-upper ()
1053 "Move to upper entity.
1054 If there is no upper entity, call function `mime-view-quit'."
1057 (while (null (setq cinfo (get-text-property (point) 'mime-view-cinfo)))
1060 (let ((r (mime-article/rcnum-to-cinfo
1061 (cdr (mime::content-info/rcnum cinfo))
1062 (get-text-property 1 'mime-view-cinfo)))
1065 (while (setq point (previous-single-property-change
1066 (point) 'mime-view-cinfo))
1068 (if (eq r (get-text-property (point) 'mime-view-cinfo))
1075 (defun mime-view-move-to-previous ()
1076 "Move to previous entity.
1077 If there is no previous entity, it calls function registered in
1078 variable `mime-view-over-to-previous-method-alist'."
1080 (while (null (get-text-property (point) 'mime-view-cinfo))
1083 (let ((point (previous-single-property-change (point) 'mime-view-cinfo)))
1086 (let ((f (assq mime-view-original-major-mode
1087 mime-view-over-to-previous-method-alist)))
1093 (defun mime-view-move-to-next ()
1094 "Move to next entity.
1095 If there is no previous entity, it calls function registered in
1096 variable `mime-view-over-to-next-method-alist'."
1098 (let ((point (next-single-property-change (point) 'mime-view-cinfo)))
1101 (let ((f (assq mime-view-original-major-mode
1102 mime-view-over-to-next-method-alist)))
1108 (defun mime-view-scroll-up-entity (&optional h)
1109 "Scroll up current entity.
1110 If reached to (point-max), it calls function registered in variable
1111 `mime-view-over-to-next-method-alist'."
1114 (setq h (1- (window-height)))
1116 (if (= (point) (point-max))
1117 (let ((f (assq mime-view-original-major-mode
1118 mime-view-over-to-next-method-alist)))
1123 (or (next-single-property-change (point) 'mime-view-cinfo)
1126 (if (> (point) point)
1131 (defun mime-view-scroll-down-entity (&optional h)
1132 "Scroll down current entity.
1133 If reached to (point-min), it calls function registered in variable
1134 `mime-view-over-to-previous-method-alist'."
1137 (setq h (1- (window-height)))
1139 (if (= (point) (point-min))
1140 (let ((f (assq mime-view-original-major-mode
1141 mime-view-over-to-previous-method-alist)))
1148 (while (> (point) 1)
1150 (previous-single-property-change (point)
1156 (setq point (point-min))
1158 (forward-line (- h))
1159 (if (< (point) point)
1163 (defun mime-view-next-line-content ()
1165 (mime-view-scroll-up-entity 1)
1168 (defun mime-view-previous-line-content ()
1170 (mime-view-scroll-down-entity 1)
1177 (defun mime-view-quit ()
1178 "Quit from MIME-View buffer.
1179 It calls function registered in variable
1180 `mime-view-quitting-method-alist'."
1182 (let ((r (assq mime-view-original-major-mode
1183 mime-view-quitting-method-alist)))
1188 (defun mime-view-show-summary ()
1190 It calls function registered in variable
1191 `mime-view-show-summary-method'."
1193 (let ((r (assq mime-view-original-major-mode
1194 mime-view-show-summary-method)))
1199 (defun mime-view-kill-buffer ()
1201 (kill-buffer (current-buffer))
1208 (provide 'mime-view)
1210 (run-hooks 'mime-view-load-hook)
1212 ;;; mime-view.el ends here