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 6.88 1995/09/21 02:33:28 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
224 ;; hack from Gnus 5.0.4.
226 (defvar mime-viewer/x-face-command
227 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | xv -quit -"
228 "String to be executed to display an X-Face field.
229 The command will be executed in a sub-shell asynchronously.
230 The compressed face will be piped to this command.")
232 (defun mime-viewer/x-face-function ()
233 "Function to display X-Face field. You can redefine to customize."
234 (goto-char (point-min))
235 (if (re-search-forward "^X-Face:[ \t]*" nil t)
236 (let ((beg (match-end 0))
237 (end (message/field-end))
239 (call-process-region beg end "sh" nil 0 nil
240 "-c" mime-viewer/x-face-command)
243 (defun mime-viewer/default-content-header-filter ()
244 (mime-viewer/x-face-function)
245 (goto-char (point-min))
246 (while (and (re-search-forward
247 (concat "^" mime-viewer/ignored-field-regexp ":")
254 (re-search-forward "^\\([^ \t]\\|$\\)" nil t)
258 (mime/decode-message-header)
261 (defvar mime-viewer/content-header-filter-alist nil)
264 ;;; @@ content filter
267 (defvar mime-viewer/content-filter-alist
268 '(("text/plain" . mime-viewer/filter-text/plain)
269 (nil . mime-viewer/filter-text/plain)))
271 (defun mime-viewer/default-content-filter (cnum cinfo ctype params subj)
275 ;;; @@ content separator
278 (defun mime-viewer/default-content-separator (cnum cinfo ctype params subj)
279 (if (and (not (mime-viewer/header-visible-p cnum cinfo ctype))
280 (not (mime-viewer/body-visible-p cnum cinfo ctype))
283 (goto-char (point-max))
288 ;;; @@ buffer local variables
291 (defvar mime::article/content-info nil)
292 (defvar mime::article/preview-buffer nil)
294 (defvar mime::preview/article-buffer nil)
295 (defvar mime::preview/content-list nil)
296 (defvar mime::preview/original-major-mode nil)
299 ;;; @@ quitting method
302 (defvar mime-viewer/quitting-method-alist
303 '((mime/show-message-mode
305 (set-window-configuration
306 mime/show-mode-old-window-configuration)
307 (let ((mother mime/mother-buffer))
309 (mime::preview-content-info/buffer
310 (car mime::preview/content-list)))
311 (mime-viewer/kill-buffer)
312 (pop-to-buffer mother)
313 (goto-char (point-min))
314 (mime-viewer/up-content)
319 ;;; @ data structures
324 (define-structure mime::content-info
325 point-min point-max type parameters encoding children)
327 ;;; @@ preview-content-info
329 (define-structure mime::preview-content-info
330 point-min point-max buffer content-info)
336 (defun mime-viewer/parse-message (&optional ctl encoding)
337 (make-variable-buffer-local 'mime::article/content-info)
338 (setq mime::article/content-info (mime-viewer/parse ctl encoding))
339 (let ((ret (mime-viewer/make-preview-buffer)))
340 (make-variable-buffer-local 'mime::article/preview-buffer)
341 (setq mime::article/preview-buffer (car ret))
344 (defun mime-viewer/parse (&optional ctl encoding)
347 (setq ctl (or (mime/Content-Type)
349 (setq encoding (or (mime/Content-Transfer-Encoding)
351 (let ((ctype (car ctl))
354 (let ((boundary (assoc "boundary" params)))
355 (goto-char (point-min))
356 (search-forward "\n\n" nil t)
361 (message/strip-quoted-string (cdr boundary)))
364 (if (re-search-forward
365 (concat "^--" (regexp-quote boundary) "--$") nil t)
369 (mime-viewer/parse-multipart
372 boundary ctype params encoding)
374 ((string= ctype "message/rfc822")
375 (mime::content-info/create
376 (point-min) (point-max)
377 ctype params encoding
380 (narrow-to-region (progn
381 (goto-char (point-min))
382 (if (re-search-forward "^$" nil t)
387 (list (mime-viewer/parse))
392 (mime::content-info/create (point-min) (point-max)
393 ctype params encoding nil)
397 (defun mime-viewer/parse-multipart (beg end boundary ctype params encoding)
398 (let ((sep (concat "^--" (regexp-quote boundary) "$"))
399 cb ce ct ret ncb children)
402 (narrow-to-region beg end)
403 (goto-char (point-min))
404 (search-forward (concat "--" boundary "\n") nil t)
405 (setq cb (match-end 0))
406 (while (re-search-forward sep nil t)
407 (setq ce (match-beginning 0))
408 (setq ncb (match-end 0))
411 (narrow-to-region cb ce)
412 (setq ret (apply (function mime-viewer/parse)
413 (cond ((string= ctype "multipart/digest")
414 '(("message/rfc822") "7bit")
416 (t '(("text/plain") "7bit"))
420 (setq children (nconc children (list ret)))
421 (goto-char (mime::content-info/point-max ret))
422 (search-forward (concat "--" boundary "\n") nil t)
423 (goto-char (setq cb (match-end 0)))
425 (setq ce (point-max))
428 (narrow-to-region cb ce)
429 (setq ret (apply (function mime-viewer/parse)
430 (cond ((string= ctype "multipart/mixed")
431 '(("text/plain") "7bit")
433 ((string= ctype "multipart/digest")
434 '(("message/rfc822") "7bit")
438 (setq children (nconc children (list ret)))
440 (setq beg (point-min))
442 (mime::content-info/create beg end ctype params encoding children)
445 (defun mime::parse-parameter (str)
446 (let ((ret (message::parse "\;" str)))
449 (message::parse mime/token-regexp
450 (message::parsed/rest ret)))
451 (let ((parameter (downcase (message::parsed/matched ret))))
452 (if (setq ret (message::parse "=" (message::parsed/rest ret)))
455 mime/content-parameter-value-regexp
456 (message::parsed/rest ret)))
457 (message::make-parsed
459 (message/strip-quoted-string
460 (message::parsed/matched ret))
462 (message::parsed/rest ret)
466 (defun mime::parse-field-body/Content-Type (str)
467 (let ((ret (message::parse mime/content-type-subtype-regexp str)))
469 (let ((ctype (downcase (message::parsed/matched ret)))
472 (setq str (message::parsed/rest ret))
473 (setq ret (mime::parse-parameter str))
475 (setq dest (cons (message::parsed/matched ret) dest))
477 (if (string-match "^[ \t]*$" str)
478 (cons ctype (reverse dest))
481 (defun mime/Content-Type (&optional port)
482 "Read field-body of Content-Type field from PORT and parse it.
483 PORT must be buffer or string. If PORT is omitted,
484 it is regarded as current-buffer. [tm-view]"
486 (setq port (current-buffer))
488 (let ((str (if (get-buffer port)
489 (save-window-excursion
490 (switch-to-buffer port)
491 (message/get-field-body "Content-Type")
496 (mime::parse-field-body/Content-Type
497 (message/unfolding-string str))
500 (defun mime/Content-Transfer-Encoding (&optional default-encoding)
501 (let ((str (message/get-field-body "Content-Transfer-Encoding")))
507 (defun mime-viewer/get-subject (param)
508 (if (member (cdr (assq 'encoding param))
509 mime-viewer/uuencode-encoding-name-list)
511 (or (if (re-search-forward "^begin [0-9]+ " nil t)
512 (if (looking-at ".+$")
513 (buffer-substring (match-beginning 0)(match-end 0))
517 (or (and (setq ret (assoc "name" param))
518 (message/strip-quoted-string (cdr ret))
520 (and (setq ret (assoc "x-name" param))
521 (message/strip-quoted-string (cdr ret))
526 (narrow-to-region (point-min)
527 (or (and (search-forward "\n\n" nil t)
532 (message/get-field-body "Content-Description")
533 (message/get-field-body "Subject")
538 (defun mime-viewer/get-name (param)
539 (let ((str (mime-viewer/get-subject param)))
540 (if (string-match " " str)
541 (if (or (string-match mime-viewer/file-name-regexp-1 str)
542 (string-match mime-viewer/file-name-regexp-2 str))
543 (substring str (match-beginning 0)(match-end 0))
545 (replace-as-filename str)
548 (defun mime-viewer/make-preview-buffer (&optional buf cinfo obuf)
549 (let ((the-buf (current-buffer))
557 (switch-to-buffer buf)
560 (setq cinfo mime::article/content-info)
563 (setq obuf (concat "*Preview-" (buffer-name buf) "*"))
565 (setq pcl (mime::make-flat-content-list cinfo))
566 (let ((bf (get-buffer obuf)))
567 (switch-to-buffer obuf)
568 (setq buffer-read-only nil)
572 (make-variable-buffer-local 'mime::preview/article-buffer)
573 (setq mime::preview/article-buffer the-buf)
574 (make-variable-buffer-local 'mime::preview/original-major-mode)
575 (setq mime::preview/original-major-mode mode)
576 (setq major-mode 'mime/viewer-mode)
577 (setq mode-name "MIME-View")
582 (let ((beg (mime::content-info/point-min cell))
583 (end (mime::content-info/point-max cell))
584 (ctype (mime::content-info/type cell))
585 (params (mime::content-info/parameters cell))
586 (encoding (mime::content-info/encoding cell))
587 he cnum e nb ne subj str)
588 (setq cnum (mime::get-point-content-number beg cinfo))
589 (switch-to-buffer the-buf)
590 (setq he (save-excursion
592 (re-search-forward "^$" nil t)
595 (if (> he (point-max))
596 (setq he (point-max))
600 (narrow-to-region beg he)
601 (setq subj (mime-viewer/get-subject params))
603 (switch-to-buffer obuf)
605 (narrow-to-region nb nb)
606 (switch-to-buffer the-buf)
607 (if (mime-viewer/header-visible-p cnum cinfo ctype)
609 (setq str (buffer-substring beg he))
610 (switch-to-buffer obuf)
614 mime-viewer/content-header-filter-alist))
616 (if (and f (setq f (cdr f)))
618 (mime-viewer/default-content-header-filter)
620 (run-hooks 'mime-viewer/content-header-filter-hook)
621 (switch-to-buffer the-buf)
623 (cond ((mime-viewer/body-visible-p cnum cinfo ctype)
625 (setq str (buffer-substring he end))
626 (switch-to-buffer obuf)
628 (setq be (point-max))
629 (narrow-to-region be be)
631 (setq ne (point-max))
632 (let ((f (or (assoc-value
634 mime-viewer/content-filter-alist)
636 (if (and f (fboundp f))
637 (funcall f ctype params encoding)
638 (mime-viewer/default-content-filter
639 cnum cinfo ctype params subj)
641 (setq ne (point-max))
643 (switch-to-buffer the-buf)
645 ((equal ctype "message/partial")
647 (switch-to-buffer obuf)
649 (goto-char (point-max))
650 (if (not (search-backward "\n\n" nil t))
653 (setq be (point-max))
654 (narrow-to-region be be)
656 mime-viewer/announcement-for-message/partial)
657 (tm:add-button (point-min)(point-max)
658 (function mime-viewer/play-content))
659 (setq ne (point-max))
661 (switch-to-buffer the-buf)
664 (null (mime::content-info/children cinfo))
667 (switch-to-buffer obuf)
669 (setq be (point-max))
670 (narrow-to-region be be)
671 (mime-viewer/insert-content-subject
672 cnum cinfo ctype params subj)
673 (setq ne (point-max))
675 (switch-to-buffer the-buf)
678 (switch-to-buffer obuf)
679 (mime-viewer/default-content-separator
680 cnum cinfo ctype params subj)
684 (funcall mime-viewer/content-subject-function
685 cnum cinfo ctype params subj)
686 (setq ne (point-max))
688 (mime::preview-content-info/create nb (- ne 1)
694 (set-buffer-modified-p nil)
695 (setq buffer-read-only t)
696 (switch-to-buffer the-buf)
701 ;;; @ content information
704 (defun mime::get-point-content-number (p &optional cinfo)
706 (setq cinfo mime::article/content-info)
708 (let ((b (mime::content-info/point-min cinfo))
709 (e (mime::content-info/point-max cinfo))
710 (c (mime::content-info/children cinfo))
712 (if (and (<= b p)(<= p e))
713 (or (let (co ret (sn 0))
717 (setq ret (mime::get-point-content-number p co))
718 (cond ((eq ret t) (throw 'tag (list sn)))
719 (ret (throw 'tag (cons sn ret)))
726 (defun mime-article/cnum-to-cinfo (cn &optional cinfo)
728 (setq cinfo mime::article/content-info)
735 (let ((rc (nth sn (mime::content-info/children cinfo))))
737 (mime-article/cnum-to-cinfo (cdr cn) rc)
741 (defun mime::make-flat-content-list (&optional cinfo)
743 (setq cinfo mime::article/content-info)
745 (let ((dest (list cinfo))
746 (rcl (mime::content-info/children cinfo))
749 (setq dest (nconc dest (mime::make-flat-content-list (car rcl))))
754 (defun mime::point-preview-content (p &optional pcl)
756 (setq pcl mime::preview/content-list)
762 (if (and (<= (mime::preview-content-info/point-min cell) p)
763 (<= p (mime::preview-content-info/point-max cell))
776 (defun mime/make-method-args (cal format)
781 (let ((ret (cdr (assoc (eval arg) cal))))
789 (defun mime/start-external-method-region (beg end cal)
792 (narrow-to-region beg end)
794 (let ((method (cdr (assoc 'method cal)))
795 (name (mime-viewer/get-name cal))
798 (let ((file (make-temp-name
799 (expand-file-name "TM" mime/tmp-dir)))
804 (if (re-search-forward "^$" nil t)
810 (write-region b end file)
812 'name (replace-as-filename name) cal))
813 (setq cal (put-alist 'file file cal))
816 mime/output-buffer-name (car method)
818 (mime/make-method-args cal (cdr (cdr method)))
820 (apply (function start-process) args)
821 (mime/show-output-buffer)
825 (defun mime/decode-message/partial-region (beg end cal)
827 (let* ((root-dir (expand-file-name
828 (concat "m-prts-" (user-login-name)) mime/tmp-dir))
829 (id (cdr (assoc "id" cal)))
830 (number (cdr (assoc "number" cal)))
831 (total (cdr (assoc "total" cal)))
832 (the-buf (current-buffer))
834 (mother mime::article/preview-buffer))
835 (if (not (file-exists-p root-dir))
836 (make-directory root-dir)
838 (setq id (replace-as-filename id))
839 (setq root-dir (concat root-dir "/" id))
840 (if (not (file-exists-p root-dir))
841 (make-directory root-dir)
843 (setq file (concat root-dir "/FULL"))
844 (if (not (file-exists-p file))
846 (re-search-forward "^$")
847 (goto-char (+ (match-end 0) 1))
848 (setq file (concat root-dir "/" number))
849 (write-region (point) (point-max) file)
850 (if (get-buffer "*MIME-temp*")
851 (kill-buffer "*MIME-temp*")
853 (switch-to-buffer "*MIME-temp*")
855 (max (string-to-int total))
859 (setq file (concat root-dir "/" (int-to-string i)))
860 (if (not (file-exists-p file))
862 (switch-to-buffer the-buf)
865 (insert-file-contents file)
866 (goto-char (point-max))
869 (delete-other-windows)
870 (write-file (concat root-dir "/FULL"))
871 (setq major-mode 'mime/show-message-mode)
872 (mime/viewer-mode mother)
873 (pop-to-buffer (current-buffer))
877 (delete-other-windows)
879 (setq major-mode 'mime/show-message-mode)
880 (mime/viewer-mode mother)
881 (pop-to-buffer (current-buffer))
885 (defun mime/get-content-decoding-alist (al)
886 (get-unified-alist mime/content-decoding-condition al)
889 (defun mime::article/decode-content-region (cinfo)
890 (let ((beg (mime::content-info/point-min cinfo))
891 (end (mime::content-info/point-max cinfo))
892 (ctype (mime::content-info/type cinfo))
893 (params (mime::content-info/parameters cinfo))
894 (encoding (mime::content-info/encoding cinfo))
897 (let (method cal ret)
898 (setq cal (append (list (cons 'type ctype)
899 (cons 'encoding encoding)
900 (cons 'major-mode major-mode)
903 (if mime-viewer/decoding-mode
905 (cons 'mode mime-viewer/decoding-mode)
908 (setq ret (mime/get-content-decoding-alist cal))
909 (setq method (cdr (assoc 'method ret)))
910 (cond ((and (symbolp method)
912 (funcall method beg end ret)
914 ((and (listp method)(stringp (car method)))
915 (mime/start-external-method-region beg end ret)
917 (t (mime/show-output-buffer
918 "No method are specified for %s\n" ctype)
923 (defun mime/show-output-buffer (&rest forms)
924 (let ((the-buf (current-buffer)))
925 (if (null (get-buffer-window mime/output-buffer-name))
926 (split-window-vertically (/ (* (window-height) 3) 4))
928 (pop-to-buffer mime/output-buffer-name)
929 (goto-char (point-max))
931 (insert (apply (function format) forms))
933 (pop-to-buffer the-buf)
940 (defvar mime-viewer/code-converter-alist nil)
942 (defun mime-viewer/default-code-convert-region
943 (beg end charset &optional encoding)
944 (if (member encoding '("quoted-printable" "base64"))
945 (mime/code-convert-region-to-emacs beg (point-max) charset)
948 (defun mime-viewer/filter-text/plain (ctype params encoding)
949 (let ((charset (cdr (assoc "charset" params)))
950 (beg (point-min)) (end (point-max))
952 (goto-char (point-min))
953 (cond ((string= encoding "quoted-printable")
954 (quoted-printable-decode-region beg end)
956 ((string= encoding "base64")
957 (base64-decode-region beg end)
959 (let* ((mode mime::preview/original-major-mode)
960 (m (assq mode mime-viewer/code-converter-alist))
962 (if (and m (fboundp (setq m (cdr m))))
963 (funcall m beg (point-max) charset encoding)
964 (mime-viewer/default-code-convert-region beg (point-max)
967 (goto-char (point-max))
968 (if (not (eq (char-after (1- (point))) ?\n))
972 (run-hooks 'mime-viewer/plain-text-preview-hook)
976 ;;; @ MIME viewer mode
979 (defvar mime/viewer-mode-map nil)
980 (if (null mime/viewer-mode-map)
982 (setq mime/viewer-mode-map (make-keymap))
983 (suppress-keymap mime/viewer-mode-map)
984 (define-key mime/viewer-mode-map
985 "u" (function mime-viewer/up-content))
986 (define-key mime/viewer-mode-map
987 "p" (function mime-viewer/previous-content))
988 (define-key mime/viewer-mode-map
989 "n" (function mime-viewer/next-content))
990 (define-key mime/viewer-mode-map
991 " " (function mime-viewer/scroll-up-content))
992 (define-key mime/viewer-mode-map
993 "\M- " (function mime-viewer/scroll-down-content))
994 (define-key mime/viewer-mode-map
995 "\177" (function mime-viewer/scroll-down-content))
996 (define-key mime/viewer-mode-map
997 "\C-m" (function mime-viewer/next-line-content))
998 (define-key mime/viewer-mode-map
999 "\C-\M-m" (function mime-viewer/previous-line-content))
1000 (define-key mime/viewer-mode-map
1001 "v" (function mime-viewer/play-content))
1002 (define-key mime/viewer-mode-map
1003 "e" (function mime-viewer/extract-content))
1004 (define-key mime/viewer-mode-map
1005 "\C-c\C-p" (function mime-viewer/print-content))
1006 (define-key mime/viewer-mode-map
1007 "q" (function mime-viewer/quit))
1008 (define-key mime/viewer-mode-map
1009 "\C-c\C-x" (function mime-viewer/kill-buffer))
1011 (define-key mime/viewer-mode-map
1012 mouse-button-2 (function tm:button-dispatcher))
1016 (defun mime/viewer-mode (&optional mother ctl encoding)
1017 "Major mode for viewing MIME message.
1019 Here is a list of the standard keys for mime/viewer-mode.
1024 u Move to upper content
1025 p Move to previous content
1026 n Move to next content
1027 SPC Scroll up or move to next content
1028 M-SPC Scroll down or move to previous content
1029 DEL Scroll down or move to previous content
1030 RET Move to next line
1031 M-RET Move to previous line
1032 v Decode current content as `play mode'
1033 e Decode current content as `extract mode'
1034 C-c C-p Decode current content as `print mode'
1036 button-2 Move to point under the mouse cursor
1037 and decode current content as `play mode'
1040 Here are all the commands with their current binding,
1041 listed in key order:
1043 \\{mime/viewer-mode-map}
1046 (setq mime-viewer/ignored-field-regexp
1048 (mapconcat (function regexp-quote)
1049 mime-viewer/ignored-field-list "\\|")
1051 (let ((buf (get-buffer mime/output-buffer-name))
1052 (the-buf (current-buffer))
1056 (switch-to-buffer buf)
1058 (switch-to-buffer the-buf)
1060 (let ((ret (mime-viewer/parse-message ctl encoding)))
1062 (switch-to-buffer (car ret))
1065 (make-variable-buffer-local
1066 'mime/show-mode-old-window-configuration)
1067 (setq mime/show-mode-old-window-configuration
1068 (current-window-configuration))
1069 (make-variable-buffer-local 'mime/mother-buffer)
1070 (setq mime/mother-buffer mother)
1072 (use-local-map mime/viewer-mode-map)
1073 (make-variable-buffer-local 'mime::preview/content-list)
1074 (setq mime::preview/content-list (nth 1 ret))
1076 (let ((ce (mime::preview-content-info/point-max
1077 (car mime::preview/content-list)
1080 (goto-char (point-min))
1081 (search-forward "\n\n" nil t)
1082 (setq e (match-end 0))
1086 (run-hooks 'mime/viewer-mode-hook)
1089 (defun mime-preview/point-content-number (point)
1090 (save-window-excursion
1091 (let ((pc (mime::point-preview-content (point)))
1093 (switch-to-buffer (mime::preview-content-info/buffer pc))
1094 (setq cinfo (mime::preview-content-info/content-info pc))
1095 (mime::get-point-content-number (mime::content-info/point-min cinfo))
1098 (defun mime-preview/cinfo-to-pcinfo (cinfo)
1099 (let ((rpcl mime::preview/content-list) cell)
1102 (setq cell (car rpcl))
1103 (if (eq cinfo (mime::preview-content-info/content-info cell))
1106 (setq rpcl (cdr rpcl))
1109 (defvar mime-preview/after-decoded-position nil)
1111 (defun mime-preview/decode-content ()
1113 (let ((pc (mime::point-preview-content (point))))
1115 (let ((the-buf (current-buffer)))
1116 (setq mime-preview/after-decoded-position (point))
1117 (switch-to-buffer (mime::preview-content-info/buffer pc))
1118 (mime::article/decode-content-region
1119 (mime::preview-content-info/content-info pc))
1120 (if (eq (current-buffer)
1121 (mime::preview-content-info/buffer pc))
1123 (switch-to-buffer the-buf)
1124 (goto-char mime-preview/after-decoded-position)
1128 (defun mime-viewer/play-content ()
1130 (let ((mime-viewer/decoding-mode "play"))
1131 (mime-preview/decode-content)
1134 (defun mime-viewer/play-content-mouse (e)
1137 (mime-viewer/play-content)
1140 (defun mime-viewer/extract-content ()
1142 (let ((mime-viewer/decoding-mode "extract"))
1143 (mime-preview/decode-content)
1146 (defun mime-viewer/print-content ()
1148 (let ((mime-viewer/decoding-mode "print"))
1149 (mime-preview/decode-content)
1152 (defun mime-viewer/up-content ()
1154 (let ((pc (mime::point-preview-content (point))) cinfo
1155 (the-buf (current-buffer))
1157 (switch-to-buffer (mime::preview-content-info/buffer pc))
1158 (setq cinfo (mime::preview-content-info/content-info pc))
1159 (setq cn (mime::get-point-content-number
1160 (mime::content-info/point-min cinfo)))
1162 (mime-viewer/quit the-buf
1163 (mime::preview-content-info/buffer pc)
1165 (setq r (mime-article/cnum-to-cinfo (butlast cn)))
1166 (switch-to-buffer the-buf)
1168 (let ((rpcl mime::preview/content-list) cell)
1170 (setq cell (car rpcl))
1171 (if (eq r (mime::preview-content-info/content-info cell))
1173 (goto-char (mime::preview-content-info/point-min cell))
1176 (setq rpcl (cdr rpcl))
1180 (defun mime-viewer/previous-content ()
1182 (let* ((pcl mime::preview/content-list)
1184 (i (- (length pcl) 1))
1188 (setq beg (mime::preview-content-info/point-min (nth i pcl)))
1190 (throw 'tag (goto-char beg))
1196 (defun mime-viewer/next-content ()
1198 (let ((pcl mime::preview/content-list)
1203 (setq beg (mime::preview-content-info/point-min (car pcl)))
1205 (throw 'tag (goto-char beg))
1207 (setq pcl (cdr pcl))
1211 (defun mime-viewer/scroll-up-content (&optional h)
1214 (setq h (- (window-height) 1))
1216 (let ((pcl mime::preview/content-list)
1222 (setq beg (mime::preview-content-info/point-min (car pcl)))
1226 (setq pcl (cdr pcl))
1236 (defun mime-viewer/scroll-down-content (&optional h)
1239 (setq h (- (window-height) 1))
1241 (let ((pcl mime::preview/content-list)
1245 (or (let ((i (- (length pcl) 1)))
1248 (setq beg (mime::preview-content-info/point-min
1256 (forward-line (- h))
1261 (defun mime-viewer/next-line-content ()
1263 (mime-viewer/scroll-up-content 1)
1266 (defun mime-viewer/previous-line-content ()
1268 (mime-viewer/scroll-down-content 1)
1271 (defun mime-viewer/quit (&optional the-buf buf)
1274 (setq the-buf (current-buffer))
1277 (setq buf (mime::preview-content-info/buffer
1278 (mime::point-preview-content (point))))
1281 (switch-to-buffer buf)
1282 (assoc major-mode mime-viewer/quitting-method-alist)
1286 (switch-to-buffer the-buf)
1291 (defun mime-viewer/kill-buffer ()
1293 (kill-buffer (current-buffer))
1302 (run-hooks 'tm-view-load-hook)