2 ;;; tm-view.el --- interactive MIME viewer for GNU Emacs
4 ;;; Copyright (C) 1995 Free Software Foundation, Inc.
5 ;;; Copyright (C) 1994,1995 MORIOKA Tomohiko
7 ;;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
8 ;;; Keywords: mail, news, MIME, multimedia
10 ;;; This file is part of tm (Tools for MIME).
29 (defconst mime-viewer/RCS-ID
30 "$Id: tm-view.el,v 6.92 1995/09/24 22:25:24 morioka Exp $")
32 (defconst mime-viewer/version (get-version-string mime-viewer/RCS-ID))
33 (defconst mime/viewer-version mime-viewer/version)
39 (defconst mime/content-type-subtype-regexp
40 (concat mime/token-regexp "/" mime/token-regexp))
41 (defconst mime/content-parameter-value-regexp
43 message/quoted-string-regexp
46 (defconst mime/output-buffer-name "*MIME-out*")
47 (defconst mime/decoding-buffer-name "*MIME-decoding*")
53 (defvar mime/content-decoding-condition
54 '(((type . "text/plain")
55 (method "tm-plain" nil 'file 'type 'encoding 'mode 'name))
56 ;;((type . "text/x-latex")
57 ;; (method "tm-latex" nil 'file 'type 'encoding 'mode 'name))
58 ((type . "audio/basic")
59 (method "tm-au" nil 'file 'type 'encoding 'mode 'name))
61 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
62 ((type . "image/jpeg")
63 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
64 ((type . "image/tiff")
65 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
66 ((type . "image/x-tiff")
67 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
68 ((type . "image/x-xbm")
69 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
70 ((type . "image/x-pic")
71 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
72 ((type . "video/mpeg")
73 (method "tm-mpeg" nil 'file 'type 'encoding 'mode 'name))
74 ((type . "application/octet-stream")
75 (method "tm-file" nil 'file 'type 'encoding 'mode 'name))
76 ;;((type . "message/external-body")
77 ;; (method "xterm" nil
78 ;; "-e" "showexternal"
79 ;; 'file '"access-type" '"name" '"site" '"directory"))
80 ((type . "message/partial")
81 (method . mime/decode-message/partial-region))
83 "-m" "tm" "-x" "-d" "-z" "-e" 'file)(mode . "play"))
84 ((method "tm-file" nil 'file 'type 'encoding 'mode 'name)
88 (defvar mime-viewer/childrens-header-showing-Content-Type-list
89 '("message/rfc822" "message/news"))
91 (defvar mime-viewer/default-showing-Content-Type-list
92 '("text/plain" "text/richtext" "text/enriched"
93 "text/x-latex" "application/x-latex"
94 "application/octet-stream" nil
95 "application/x-selection" "application/x-comment"))
97 (defvar mime-viewer/content-subject-omitting-Content-Type-list
98 '("application/x-selection"))
100 (defvar mime-viewer/uuencode-encoding-name-list '("x-uue" "x-uuencode"))
102 (defvar mime-viewer/ignored-field-list
103 '("Received" "Return-Path" "Replied" "Errors-To"
104 "Lines" "Sender" "Path" "Nntp-Posting-Host"
105 "Content-Type" "Precedence" "X-Face"))
107 (defvar mime-viewer/ignored-field-regexp)
109 (defvar mime-viewer/decoding-mode "play" "MIME body decoding mode")
111 (defvar mime-viewer/file-name-char-regexp "[A-Za-z0-9+_-]")
113 (defvar mime-viewer/file-name-regexp-1
114 (concat mime-viewer/file-name-char-regexp "+\\."
115 mime-viewer/file-name-char-regexp "+"))
117 (defvar mime-viewer/file-name-regexp-2
118 (concat (regexp-* mime-viewer/file-name-char-regexp)
119 "\\(\\." mime-viewer/file-name-char-regexp "+\\)*"))
121 (defvar mime-viewer/announcement-for-message/partial
122 (if (and (>= emacs-major-version 19) window-system)
124 \[[ This is message/partial style split message. ]]
125 \[[ Please press `v' key in this buffer ]]
126 \[[ or click here by mouse button-2. ]]"
128 \[[ This is message/partial style split message. ]]
129 \[[ Please press `v' key in this buffer. ]]"
133 ;;; @@ predicate functions
136 (defun mime-viewer/header-visible-p (cnum cinfo &optional ctype)
140 (mime::content-info/type
141 (mime-article/cnum-to-cinfo (butlast cnum) cinfo)
143 (member ctype mime-viewer/childrens-header-showing-Content-Type-list)
146 (defun mime-viewer/body-visible-p (cnum cinfo &optional ctype)
150 (mime::content-info/type
151 (setq ccinfo (mime-article/cnum-to-cinfo cnum cinfo))
154 (and (member ctype mime-viewer/default-showing-Content-Type-list)
155 (if (string-equal ctype "application/octet-stream")
158 (setq ccinfo (mime-article/cnum-to-cinfo cnum cinfo))
160 (member (mime::content-info/encoding ccinfo)
161 '(nil "7bit" "8bit"))
167 ;;; @@ content subject
170 (defun mime-viewer/insert-content-subject
171 (cnum cinfo ctype params subj)
173 (narrow-to-region (point)(point))
175 (let ((access-type (assoc "access-type" params))
176 (num (or (assoc-value "x-part-number" params)
180 (format "%s" (+ num 1))
186 (let ((server (assoc "server" params)))
187 (setq access-type (cdr access-type))
189 (format "[%s %s ([%s] %s)]\n" num subj
190 access-type (cdr server))
191 (let ((site (assoc-value "site" params))
192 (dir (assoc-value "directory" params))
194 (format "[%s %s ([%s] %s:%s)]\n" num subj
195 access-type site dir)
197 (format "[%s %s (%s)]\n" num subj ctype)
199 (tm:add-button (point-min)(1- (point-max))
200 (function mime-viewer/play-content))
203 (defun mime-viewer/default-content-subject-function
204 (cnum cinfo ctype params subj)
205 (if (and (listp cnum)
208 mime-viewer/content-subject-omitting-Content-Type-list))
210 (mime-viewer/insert-content-subject
211 cnum cinfo ctype params subj)
214 (defvar mime-viewer/content-subject-function
215 (function mime-viewer/default-content-subject-function))
218 ;;; @@ content header filter
221 (defun mime-viewer/default-content-header-filter ()
222 (goto-char (point-min))
223 (while (and (re-search-forward mime-viewer/ignored-field-regexp nil t)
229 (re-search-forward "^\\([^ \t]\\|$\\)" nil t)
233 (mime/decode-message-header)
236 (defvar mime-viewer/content-header-filter-alist nil)
239 ;;; @@ content filter
242 (defvar mime-viewer/content-filter-alist
243 '(("text/plain" . mime-viewer/filter-text/plain)
244 (nil . mime-viewer/filter-text/plain)))
246 (defun mime-viewer/default-content-filter (cnum cinfo ctype params subj)
250 ;;; @@ content separator
253 (defun mime-viewer/default-content-separator (cnum cinfo ctype params subj)
254 (if (and (not (mime-viewer/header-visible-p cnum cinfo ctype))
255 (not (mime-viewer/body-visible-p cnum cinfo ctype))
258 (goto-char (point-max))
263 ;;; @@ buffer local variables
266 (defvar mime::article/content-info nil)
267 (defvar mime::article/preview-buffer nil)
269 (defvar mime::preview/article-buffer nil)
270 (defvar mime::preview/content-list nil)
271 (defvar mime::preview/original-major-mode nil)
274 ;;; @@ quitting method
277 (defvar mime-viewer/quitting-method-alist
278 '((mime/show-message-mode
280 (set-window-configuration
281 mime/show-mode-old-window-configuration)
282 (let ((mother mime/mother-buffer))
284 (mime::preview-content-info/buffer
285 (car mime::preview/content-list)))
286 (mime-viewer/kill-buffer)
287 (pop-to-buffer mother)
288 (goto-char (point-min))
289 (mime-viewer/up-content)
297 ;; hack from Gnus 5.0.4.
299 (defvar mime-viewer/x-face-command
300 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | xv -quit -"
301 "String to be executed to display an X-Face field.
302 The command will be executed in a sub-shell asynchronously.
303 The compressed face will be piped to this command.")
305 (defun mime-viewer/x-face-function ()
306 "Function to display X-Face field. You can redefine to customize."
307 (goto-char (point-min))
308 (if (re-search-forward "^X-Face:[ \t]*" nil t)
309 (let ((beg (match-end 0))
310 (end (message/field-end))
312 (call-process-region beg end "sh" nil 0 nil
313 "-c" mime-viewer/x-face-command)
317 ;;; @ data structures
322 (define-structure mime::content-info
323 point-min point-max type parameters encoding children)
325 ;;; @@ preview-content-info
327 (define-structure mime::preview-content-info
328 point-min point-max buffer content-info)
334 (defun mime-viewer/parse-message (&optional ctl encoding ibuf obuf)
337 (setq ibuf (current-buffer))
339 (make-variable-buffer-local 'mime::article/content-info)
340 (setq mime::article/content-info (mime-viewer/parse ctl encoding))
341 (let ((ret (mime-viewer/make-preview-buffer
342 ibuf mime::article/content-info obuf)))
343 (make-variable-buffer-local 'mime::article/preview-buffer)
344 (setq mime::article/preview-buffer (car ret))
347 (defun mime-viewer/parse (&optional ctl encoding)
350 (setq ctl (or (mime/Content-Type)
352 (setq encoding (or (mime/Content-Transfer-Encoding)
354 (let ((ctype (car ctl))
357 (let ((boundary (assoc "boundary" params)))
358 (goto-char (point-min))
359 (search-forward "\n\n" nil t)
364 (message/strip-quoted-string (cdr boundary)))
367 (if (re-search-forward
368 (concat "^--" (regexp-quote boundary) "--$") nil t)
372 (mime-viewer/parse-multipart
375 boundary ctype params encoding)
377 ((string= ctype "message/rfc822")
378 (mime::content-info/create
379 (point-min) (point-max)
380 ctype params encoding
383 (narrow-to-region (progn
384 (goto-char (point-min))
385 (if (re-search-forward "^$" nil t)
390 (list (mime-viewer/parse))
395 (mime::content-info/create (point-min) (point-max)
396 ctype params encoding nil)
400 (defun mime-viewer/parse-multipart (beg end boundary ctype params encoding)
401 (let ((sep (concat "^--" (regexp-quote boundary) "$"))
402 cb ce ct ret ncb children)
405 (narrow-to-region beg end)
406 (goto-char (point-min))
407 (search-forward (concat "--" boundary "\n") nil t)
408 (setq cb (match-end 0))
409 (while (re-search-forward sep nil t)
410 (setq ce (match-beginning 0))
411 (setq ncb (match-end 0))
414 (narrow-to-region cb ce)
415 (setq ret (apply (function mime-viewer/parse)
416 (cond ((string= ctype "multipart/digest")
417 '(("message/rfc822") "7bit")
419 (t '(("text/plain") "7bit"))
423 (setq children (nconc children (list ret)))
424 (goto-char (mime::content-info/point-max ret))
425 (search-forward (concat "--" boundary "\n") nil t)
426 (goto-char (setq cb (match-end 0)))
428 (setq ce (point-max))
431 (narrow-to-region cb ce)
432 (setq ret (apply (function mime-viewer/parse)
433 (cond ((string= ctype "multipart/mixed")
434 '(("text/plain") "7bit")
436 ((string= ctype "multipart/digest")
437 '(("message/rfc822") "7bit")
441 (setq children (nconc children (list ret)))
443 (setq beg (point-min))
445 (mime::content-info/create beg end ctype params encoding children)
448 (defun mime::parse-parameter (str)
449 (let ((ret (message::parse "\;" str)))
452 (message::parse mime/token-regexp
453 (message::parsed/rest ret)))
454 (let ((parameter (downcase (message::parsed/matched ret))))
455 (if (setq ret (message::parse "=" (message::parsed/rest ret)))
458 mime/content-parameter-value-regexp
459 (message::parsed/rest ret)))
460 (message::make-parsed
462 (message/strip-quoted-string
463 (message::parsed/matched ret))
465 (message::parsed/rest ret)
469 (defun mime::parse-field-body/Content-Type (str)
470 (let ((ret (message::parse mime/content-type-subtype-regexp str)))
472 (let ((ctype (downcase (message::parsed/matched ret)))
475 (setq str (message::parsed/rest ret))
476 (setq ret (mime::parse-parameter str))
478 (setq dest (cons (message::parsed/matched ret) dest))
480 (if (string-match "^[ \t]*$" str)
481 (cons ctype (reverse dest))
484 (defun mime/Content-Type (&optional port)
485 "Read field-body of Content-Type field from PORT and parse it.
486 PORT must be buffer or string. If PORT is omitted,
487 it is regarded as current-buffer. [tm-view]"
489 (setq port (current-buffer))
491 (let ((str (if (get-buffer port)
492 (save-window-excursion
493 (switch-to-buffer port)
494 (message/get-field-body "Content-Type")
499 (mime::parse-field-body/Content-Type
500 (message/unfolding-string str))
503 (defun mime/Content-Transfer-Encoding (&optional default-encoding)
504 (let ((str (message/get-field-body "Content-Transfer-Encoding")))
510 (defun mime-viewer/get-subject (param)
511 (if (member (cdr (assq 'encoding param))
512 mime-viewer/uuencode-encoding-name-list)
514 (or (if (re-search-forward "^begin [0-9]+ " nil t)
515 (if (looking-at ".+$")
516 (buffer-substring (match-beginning 0)(match-end 0))
520 (or (and (setq ret (assoc "name" param))
521 (message/strip-quoted-string (cdr ret))
523 (and (setq ret (assoc "x-name" param))
524 (message/strip-quoted-string (cdr ret))
529 (narrow-to-region (point-min)
530 (or (and (search-forward "\n\n" nil t)
535 (message/get-field-body "Content-Description")
536 (message/get-field-body "Subject")
541 (defun mime-viewer/get-name (param)
542 (let ((str (mime-viewer/get-subject param)))
543 (if (string-match " " str)
544 (if (or (string-match mime-viewer/file-name-regexp-1 str)
545 (string-match mime-viewer/file-name-regexp-2 str))
546 (substring str (match-beginning 0)(match-end 0))
548 (replace-as-filename str)
551 (defun mime-viewer/make-preview-buffer (&optional buf cinfo obuf)
552 (let ((the-buf (current-buffer))
560 (switch-to-buffer buf)
563 (setq cinfo mime::article/content-info)
566 (setq obuf (concat "*Preview-" (buffer-name buf) "*"))
568 (setq pcl (mime::make-flat-content-list cinfo))
569 (let ((bf (get-buffer obuf)))
570 (switch-to-buffer obuf)
571 (setq buffer-read-only nil)
575 (make-variable-buffer-local 'mime::preview/article-buffer)
576 (setq mime::preview/article-buffer the-buf)
577 (make-variable-buffer-local 'mime::preview/original-major-mode)
578 (setq mime::preview/original-major-mode mode)
579 (setq major-mode 'mime/viewer-mode)
580 (setq mode-name "MIME-View")
585 (let ((beg (mime::content-info/point-min cell))
586 (end (mime::content-info/point-max cell))
587 (ctype (mime::content-info/type cell))
588 (params (mime::content-info/parameters cell))
589 (encoding (mime::content-info/encoding cell))
590 he cnum e nb ne subj str)
591 (setq cnum (mime::get-point-content-number beg cinfo))
592 (switch-to-buffer the-buf)
593 (setq he (save-excursion
595 (re-search-forward "^$" nil t)
598 (if (> he (point-max))
599 (setq he (point-max))
603 (narrow-to-region beg he)
604 (setq subj (mime-viewer/get-subject params))
606 (switch-to-buffer obuf)
608 (narrow-to-region nb nb)
609 (switch-to-buffer the-buf)
610 (if (mime-viewer/header-visible-p cnum cinfo ctype)
612 (setq str (buffer-substring beg he))
613 (switch-to-buffer obuf)
617 mime-viewer/content-header-filter-alist))
619 (if (and f (setq f (cdr f)))
621 (mime-viewer/default-content-header-filter)
623 (run-hooks 'mime-viewer/content-header-filter-hook)
624 (switch-to-buffer the-buf)
626 (cond ((mime-viewer/body-visible-p cnum cinfo ctype)
628 (setq str (buffer-substring he end))
629 (switch-to-buffer obuf)
631 (setq be (point-max))
632 (narrow-to-region be be)
634 (setq ne (point-max))
635 (let ((f (or (assoc-value
637 mime-viewer/content-filter-alist)
639 (if (and f (fboundp f))
640 (funcall f ctype params encoding)
641 (mime-viewer/default-content-filter
642 cnum cinfo ctype params subj)
644 (setq ne (point-max))
646 (switch-to-buffer the-buf)
648 ((equal ctype "message/partial")
650 (switch-to-buffer obuf)
652 (goto-char (point-max))
653 (if (not (search-backward "\n\n" nil t))
656 (setq be (point-max))
657 (narrow-to-region be be)
659 mime-viewer/announcement-for-message/partial)
660 (tm:add-button (point-min)(point-max)
661 (function mime-viewer/play-content))
662 (setq ne (point-max))
664 (switch-to-buffer the-buf)
667 (null (mime::content-info/children cinfo))
670 (switch-to-buffer obuf)
672 (setq be (point-max))
673 (narrow-to-region be be)
674 (mime-viewer/insert-content-subject
675 cnum cinfo ctype params subj)
676 (setq ne (point-max))
678 (switch-to-buffer the-buf)
681 (switch-to-buffer obuf)
682 (mime-viewer/default-content-separator
683 cnum cinfo ctype params subj)
687 (funcall mime-viewer/content-subject-function
688 cnum cinfo ctype params subj)
689 (setq ne (point-max))
691 (mime::preview-content-info/create nb (- ne 1)
697 (set-buffer-modified-p nil)
698 (setq buffer-read-only t)
699 (switch-to-buffer the-buf)
704 ;;; @ content information
707 (defun mime::get-point-content-number (p &optional cinfo)
709 (setq cinfo mime::article/content-info)
711 (let ((b (mime::content-info/point-min cinfo))
712 (e (mime::content-info/point-max cinfo))
713 (c (mime::content-info/children cinfo))
715 (if (and (<= b p)(<= p e))
716 (or (let (co ret (sn 0))
720 (setq ret (mime::get-point-content-number p co))
721 (cond ((eq ret t) (throw 'tag (list sn)))
722 (ret (throw 'tag (cons sn ret)))
729 (defun mime-article/cnum-to-cinfo (cn &optional cinfo)
731 (setq cinfo mime::article/content-info)
738 (let ((rc (nth sn (mime::content-info/children cinfo))))
740 (mime-article/cnum-to-cinfo (cdr cn) rc)
744 (defun mime::make-flat-content-list (&optional cinfo)
746 (setq cinfo mime::article/content-info)
748 (let ((dest (list cinfo))
749 (rcl (mime::content-info/children cinfo))
752 (setq dest (nconc dest (mime::make-flat-content-list (car rcl))))
757 (defun mime::point-preview-content (p &optional pcl)
759 (setq pcl mime::preview/content-list)
765 (if (and (<= (mime::preview-content-info/point-min cell) p)
766 (<= p (mime::preview-content-info/point-max cell))
779 (defun mime/make-method-args (cal format)
784 (let ((ret (cdr (assoc (eval arg) cal))))
792 (defun mime/start-external-method-region (beg end cal)
795 (narrow-to-region beg end)
797 (let ((method (cdr (assoc 'method cal)))
798 (name (mime-viewer/get-name cal))
801 (let ((file (make-temp-name
802 (expand-file-name "TM" mime/tmp-dir)))
807 (if (re-search-forward "^$" nil t)
813 (write-region b end file)
815 'name (replace-as-filename name) cal))
816 (setq cal (put-alist 'file file cal))
819 mime/output-buffer-name (car method)
821 (mime/make-method-args cal (cdr (cdr method)))
823 (apply (function start-process) args)
824 (mime/show-output-buffer)
828 (defun mime/decode-message/partial-region (beg end cal)
830 (let* ((root-dir (expand-file-name
831 (concat "m-prts-" (user-login-name)) mime/tmp-dir))
832 (id (cdr (assoc "id" cal)))
833 (number (cdr (assoc "number" cal)))
834 (total (cdr (assoc "total" cal)))
835 (the-buf (current-buffer))
837 (mother mime::article/preview-buffer))
838 (if (not (file-exists-p root-dir))
839 (make-directory root-dir)
841 (setq id (replace-as-filename id))
842 (setq root-dir (concat root-dir "/" id))
843 (if (not (file-exists-p root-dir))
844 (make-directory root-dir)
846 (setq file (concat root-dir "/FULL"))
847 (if (not (file-exists-p file))
849 (re-search-forward "^$")
850 (goto-char (+ (match-end 0) 1))
851 (setq file (concat root-dir "/" number))
852 (write-region (point) (point-max) file)
853 (if (get-buffer "*MIME-temp*")
854 (kill-buffer "*MIME-temp*")
856 (switch-to-buffer "*MIME-temp*")
858 (max (string-to-int total))
862 (setq file (concat root-dir "/" (int-to-string i)))
863 (if (not (file-exists-p file))
865 (switch-to-buffer the-buf)
868 (insert-file-contents file)
869 (goto-char (point-max))
872 (delete-other-windows)
873 (write-file (concat root-dir "/FULL"))
874 (setq major-mode 'mime/show-message-mode)
875 (mime/viewer-mode mother)
876 (pop-to-buffer (current-buffer))
880 (delete-other-windows)
882 (setq major-mode 'mime/show-message-mode)
883 (mime/viewer-mode mother)
884 (pop-to-buffer (current-buffer))
888 (defun mime/get-content-decoding-alist (al)
889 (get-unified-alist mime/content-decoding-condition al)
892 (defun mime::article/decode-content-region (cinfo)
893 (let ((beg (mime::content-info/point-min cinfo))
894 (end (mime::content-info/point-max cinfo))
895 (ctype (mime::content-info/type cinfo))
896 (params (mime::content-info/parameters cinfo))
897 (encoding (mime::content-info/encoding cinfo))
900 (let (method cal ret)
901 (setq cal (append (list (cons 'type ctype)
902 (cons 'encoding encoding)
903 (cons 'major-mode major-mode)
906 (if mime-viewer/decoding-mode
908 (cons 'mode mime-viewer/decoding-mode)
911 (setq ret (mime/get-content-decoding-alist cal))
912 (setq method (cdr (assoc 'method ret)))
913 (cond ((and (symbolp method)
915 (funcall method beg end ret)
917 ((and (listp method)(stringp (car method)))
918 (mime/start-external-method-region beg end ret)
920 (t (mime/show-output-buffer
921 "No method are specified for %s\n" ctype)
926 (defun mime/show-output-buffer (&rest forms)
927 (let ((the-buf (current-buffer)))
928 (if (null (get-buffer-window mime/output-buffer-name))
929 (split-window-vertically (/ (* (window-height) 3) 4))
931 (pop-to-buffer mime/output-buffer-name)
932 (goto-char (point-max))
934 (insert (apply (function format) forms))
936 (pop-to-buffer the-buf)
943 (defvar mime-viewer/code-converter-alist nil)
945 (defun mime-viewer/default-code-convert-region
946 (beg end charset &optional encoding)
947 (if (member encoding '("quoted-printable" "base64"))
948 (mime/code-convert-region-to-emacs beg (point-max) charset)
951 (defun mime-viewer/filter-text/plain (ctype params encoding)
952 (let ((charset (cdr (assoc "charset" params)))
953 (beg (point-min)) (end (point-max))
955 (goto-char (point-min))
956 (cond ((string= encoding "quoted-printable")
957 (quoted-printable-decode-region beg end)
959 ((string= encoding "base64")
960 (base64-decode-region beg end)
962 (let* ((mode mime::preview/original-major-mode)
963 (m (assq mode mime-viewer/code-converter-alist))
965 (if (and m (fboundp (setq m (cdr m))))
966 (funcall m beg (point-max) charset encoding)
967 (mime-viewer/default-code-convert-region beg (point-max)
970 (goto-char (point-max))
971 (if (not (eq (char-after (1- (point))) ?\n))
974 (if browse-url-browser-function
976 (goto-char (point-min))
977 (while (re-search-forward tm:URL-regexp nil t)
978 (tm:add-button (match-beginning 0)(match-end 0)
979 (function tm:browse-url))
981 (run-hooks 'mime-viewer/plain-text-preview-hook)
985 ;;; @ MIME viewer mode
988 (defvar mime/viewer-mode-map nil)
989 (if (null mime/viewer-mode-map)
991 (setq mime/viewer-mode-map (make-keymap))
992 (suppress-keymap mime/viewer-mode-map)
993 (define-key mime/viewer-mode-map
994 "u" (function mime-viewer/up-content))
995 (define-key mime/viewer-mode-map
996 "p" (function mime-viewer/previous-content))
997 (define-key mime/viewer-mode-map
998 "n" (function mime-viewer/next-content))
999 (define-key mime/viewer-mode-map
1000 " " (function mime-viewer/scroll-up-content))
1001 (define-key mime/viewer-mode-map
1002 "\M- " (function mime-viewer/scroll-down-content))
1003 (define-key mime/viewer-mode-map
1004 "\177" (function mime-viewer/scroll-down-content))
1005 (define-key mime/viewer-mode-map
1006 "\C-m" (function mime-viewer/next-line-content))
1007 (define-key mime/viewer-mode-map
1008 "\C-\M-m" (function mime-viewer/previous-line-content))
1009 (define-key mime/viewer-mode-map
1010 "v" (function mime-viewer/play-content))
1011 (define-key mime/viewer-mode-map
1012 "e" (function mime-viewer/extract-content))
1013 (define-key mime/viewer-mode-map
1014 "\C-c\C-p" (function mime-viewer/print-content))
1015 (define-key mime/viewer-mode-map
1016 "f" (function mime-viewer/display-x-face))
1017 (define-key mime/viewer-mode-map
1018 "q" (function mime-viewer/quit))
1019 (define-key mime/viewer-mode-map
1020 "\C-c\C-x" (function mime-viewer/kill-buffer))
1022 (define-key mime/viewer-mode-map
1023 mouse-button-2 (function tm:button-dispatcher))
1027 (defun mime/viewer-mode (&optional mother ctl encoding ibuf obuf)
1028 "Major mode for viewing MIME message.
1030 Here is a list of the standard keys for mime/viewer-mode.
1035 u Move to upper content
1036 p Move to previous content
1037 n Move to next content
1038 SPC Scroll up or move to next content
1039 M-SPC Scroll down or move to previous content
1040 DEL Scroll down or move to previous content
1041 RET Move to next line
1042 M-RET Move to previous line
1043 v Decode current content as `play mode'
1044 e Decode current content as `extract mode'
1045 C-c C-p Decode current content as `print mode'
1048 button-2 Move to point under the mouse cursor
1049 and decode current content as `play mode'
1052 Here are all the commands with their current binding,
1053 listed in key order:
1055 \\{mime/viewer-mode-map}
1058 (setq mime-viewer/ignored-field-regexp
1060 (mapconcat (function regexp-quote)
1061 mime-viewer/ignored-field-list "\\|")
1064 (setq ibuf (current-buffer))
1066 (let ((buf (get-buffer mime/output-buffer-name)))
1073 (let ((ret (mime-viewer/parse-message ctl encoding ibuf obuf)))
1075 (switch-to-buffer (car ret))
1078 (make-variable-buffer-local
1079 'mime/show-mode-old-window-configuration)
1080 (setq mime/show-mode-old-window-configuration
1081 (current-window-configuration))
1082 (make-variable-buffer-local 'mime/mother-buffer)
1083 (setq mime/mother-buffer mother)
1085 (use-local-map mime/viewer-mode-map)
1086 (make-variable-buffer-local 'mime::preview/content-list)
1087 (setq mime::preview/content-list (nth 1 ret))
1089 (let ((ce (mime::preview-content-info/point-max
1090 (car mime::preview/content-list)
1093 (goto-char (point-min))
1094 (search-forward "\n\n" nil t)
1095 (setq e (match-end 0))
1099 (run-hooks 'mime/viewer-mode-hook)
1102 (defun mime-preview/point-content-number (point)
1103 (save-window-excursion
1104 (let ((pc (mime::point-preview-content (point)))
1106 (switch-to-buffer (mime::preview-content-info/buffer pc))
1107 (setq cinfo (mime::preview-content-info/content-info pc))
1108 (mime::get-point-content-number (mime::content-info/point-min cinfo))
1111 (defun mime-preview/cinfo-to-pcinfo (cinfo)
1112 (let ((rpcl mime::preview/content-list) cell)
1115 (setq cell (car rpcl))
1116 (if (eq cinfo (mime::preview-content-info/content-info cell))
1119 (setq rpcl (cdr rpcl))
1122 (defvar mime-preview/after-decoded-position nil)
1124 (defun mime-preview/decode-content ()
1126 (let ((pc (mime::point-preview-content (point))))
1128 (let ((the-buf (current-buffer)))
1129 (setq mime-preview/after-decoded-position (point))
1130 (switch-to-buffer (mime::preview-content-info/buffer pc))
1131 (mime::article/decode-content-region
1132 (mime::preview-content-info/content-info pc))
1133 (if (eq (current-buffer)
1134 (mime::preview-content-info/buffer pc))
1136 (switch-to-buffer the-buf)
1137 (goto-char mime-preview/after-decoded-position)
1141 (defun mime-viewer/play-content ()
1143 (let ((mime-viewer/decoding-mode "play"))
1144 (mime-preview/decode-content)
1147 (defun mime-viewer/play-content-mouse (e)
1150 (mime-viewer/play-content)
1153 (defun mime-viewer/extract-content ()
1155 (let ((mime-viewer/decoding-mode "extract"))
1156 (mime-preview/decode-content)
1159 (defun mime-viewer/print-content ()
1161 (let ((mime-viewer/decoding-mode "print"))
1162 (mime-preview/decode-content)
1165 (defun mime-viewer/display-x-face ()
1167 (save-window-excursion
1168 (set-buffer mime::preview/article-buffer)
1169 (mime-viewer/x-face-function)
1172 (defun mime-viewer/up-content ()
1174 (let ((pc (mime::point-preview-content (point))) cinfo
1175 (the-buf (current-buffer))
1177 (switch-to-buffer (mime::preview-content-info/buffer pc))
1178 (setq cinfo (mime::preview-content-info/content-info pc))
1179 (setq cn (mime::get-point-content-number
1180 (mime::content-info/point-min cinfo)))
1182 (mime-viewer/quit the-buf
1183 (mime::preview-content-info/buffer pc)
1185 (setq r (mime-article/cnum-to-cinfo (butlast cn)))
1186 (switch-to-buffer the-buf)
1188 (let ((rpcl mime::preview/content-list) cell)
1190 (setq cell (car rpcl))
1191 (if (eq r (mime::preview-content-info/content-info cell))
1193 (goto-char (mime::preview-content-info/point-min cell))
1196 (setq rpcl (cdr rpcl))
1200 (defun mime-viewer/previous-content ()
1202 (let* ((pcl mime::preview/content-list)
1204 (i (- (length pcl) 1))
1208 (setq beg (mime::preview-content-info/point-min (nth i pcl)))
1210 (throw 'tag (goto-char beg))
1216 (defun mime-viewer/next-content ()
1218 (let ((pcl mime::preview/content-list)
1223 (setq beg (mime::preview-content-info/point-min (car pcl)))
1225 (throw 'tag (goto-char beg))
1227 (setq pcl (cdr pcl))
1231 (defun mime-viewer/scroll-up-content (&optional h)
1234 (setq h (- (window-height) 1))
1236 (let ((pcl mime::preview/content-list)
1242 (setq beg (mime::preview-content-info/point-min (car pcl)))
1246 (setq pcl (cdr pcl))
1256 (defun mime-viewer/scroll-down-content (&optional h)
1259 (setq h (- (window-height) 1))
1261 (let ((pcl mime::preview/content-list)
1265 (or (let ((i (- (length pcl) 1)))
1268 (setq beg (mime::preview-content-info/point-min
1276 (forward-line (- h))
1281 (defun mime-viewer/next-line-content ()
1283 (mime-viewer/scroll-up-content 1)
1286 (defun mime-viewer/previous-line-content ()
1288 (mime-viewer/scroll-down-content 1)
1291 (defun mime-viewer/quit (&optional the-buf buf)
1294 (setq the-buf (current-buffer))
1297 (setq buf (mime::preview-content-info/buffer
1298 (mime::point-preview-content (point))))
1301 (switch-to-buffer buf)
1302 (assoc major-mode mime-viewer/quitting-method-alist)
1306 (switch-to-buffer the-buf)
1311 (defun mime-viewer/kill-buffer ()
1313 (kill-buffer (current-buffer))
1322 (run-hooks 'tm-view-load-hook)