2 ;;; A MIME viewer for GNU Emacs
4 ;;; by Morioka Tomohiko, 1994/07/13
23 (defconst mime-viewer/RCS-ID
24 "$Id: tm-view.el,v 6.73 1995/08/26 19:53:34 morioka Exp $")
26 (defconst mime-viewer/version (get-version-string mime-viewer/RCS-ID))
27 (defconst mime/viewer-version mime-viewer/version)
33 (defconst mime/tspecials "\000-\040()<>@,;:\\\"/[\093?.=")
34 (defconst mime/token-regexp
35 (concat "[^" mime/tspecials "]*"))
36 (defconst mime/content-type-subtype-regexp
37 (concat mime/token-regexp "/" mime/token-regexp))
38 (defconst mime/content-parameter-value-regexp
40 message/quoted-string-regexp
43 (defconst mime/output-buffer-name "*MIME-out*")
44 (defconst mime/decoding-buffer-name "*MIME-decoding*")
50 (defvar mime/content-decoding-condition
51 '(((type . "text/plain")
52 (method "tm-plain" nil 'file 'type 'encoding 'mode 'name))
53 ;;((type . "text/x-latex")
54 ;; (method "tm-latex" nil 'file 'type 'encoding 'mode 'name))
55 ((type . "audio/basic")
56 (method "tm-au" nil 'file 'type 'encoding 'mode 'name))
58 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
59 ((type . "image/jpeg")
60 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
61 ((type . "image/tiff")
62 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
63 ((type . "image/x-tiff")
64 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
65 ((type . "image/x-xbm")
66 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
67 ((type . "image/x-pic")
68 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
69 ((type . "video/mpeg")
70 (method "tm-mpeg" nil 'file 'type 'encoding 'mode 'name))
71 ((type . "application/octet-stream")
72 (method "tm-file" nil 'file 'type 'encoding 'mode 'name))
73 ;;((type . "message/external-body")
74 ;; (method "xterm" nil
75 ;; "-e" "showexternal"
76 ;; 'file '"access-type" '"name" '"site" '"directory"))
77 ((type . "message/partial")
78 (method . mime/decode-message/partial-region))
79 ((type . "message/rfc822")
80 (method "tm-file" nil 'file 'type 'encoding 'mode 'name))
82 "-m" "tm" "-x" "-d" "-z" "-e" 'file)(mode . "play"))
85 (defvar mime-viewer/childrens-header-showing-Content-Type-list
88 (defvar mime-viewer/default-showing-Content-Type-list
89 '("text/plain" "text/richtext" "text/enriched"
90 "text/x-latex" "application/x-latex"
91 "application/octet-stream" nil
92 "application/x-selection" "application/x-comment"))
94 (defvar mime-viewer/content-subject-omitting-Content-Type-list
95 '("application/x-selection"))
97 (defvar mime-viewer/uuencode-encoding-name-list '("x-uue" "x-uuencode"))
99 (defvar mime-viewer/ignored-field-list
100 '("Received" "Return-Path" "Replied" "Errors-To"
101 "Lines" "Sender" "Path" "Nntp-Posting-Host"
102 "Content-Type" "Precedence"))
104 (defvar mime-viewer/ignored-field-regexp)
106 (defvar mime-viewer/decoding-mode "play" "MIME body decoding mode")
108 (defvar mime-viewer/file-name-char-regexp "[A-Za-z0-9+_-]")
110 (defvar mime-viewer/file-name-regexp-1
111 (concat mime-viewer/file-name-char-regexp "+\\."
112 mime-viewer/file-name-char-regexp "+"))
114 (defvar mime-viewer/file-name-regexp-2
115 (concat (regexp-* mime-viewer/file-name-char-regexp)
116 "\\(\\." mime-viewer/file-name-char-regexp "+\\)*"))
118 (defvar mime-viewer/announcement-for-message/partial
119 "[[ This is message/partial style split message. ]]
120 [[ Please press `v' key in this buffer. ]]")
123 ;;; @@ predicate functions
126 (defun mime-viewer/header-visible-p (cnum cinfo &optional ctype)
130 (mime::content-info/type
131 (mime-article/cnum-to-cinfo (butlast cnum) cinfo)
133 (member ctype mime-viewer/childrens-header-showing-Content-Type-list)
136 (defun mime-viewer/body-visible-p (cnum cinfo &optional ctype)
140 (mime::content-info/type
141 (setq ccinfo (mime-article/cnum-to-cinfo cnum cinfo))
144 (and (member ctype mime-viewer/default-showing-Content-Type-list)
145 (if (string-equal ctype "application/octet-stream")
148 (setq ccinfo (mime-article/cnum-to-cinfo cnum cinfo))
150 (member (mime::content-info/encoding ccinfo)
151 '(nil "7bit" "8bit"))
157 ;;; @@ content subject
160 (defun mime-viewer/default-content-subject-function
161 (cnum cinfo ctype params subj)
162 (if (and (listp cnum)
165 mime-viewer/content-subject-omitting-Content-Type-list))
168 (let ((access-type (assoc "access-type" params))
169 (num (or (assoc-value "x-part-number" params)
173 (format "%s" (+ num 1))
179 (let ((server (assoc "server" params)))
180 (setq access-type (cdr access-type))
182 (format "[%s %s ([%s] %s)]\n" num subj
183 access-type (cdr server))
184 (let ((site (assoc-value "site" params))
185 (dir (assoc-value "directory" params))
187 (format "[%s %s ([%s] %s:%s)]\n" num subj
188 access-type site dir)
190 (format "[%s %s (%s)]\n" num subj ctype)
193 (defvar mime-viewer/content-subject-function
194 (function mime-viewer/default-content-subject-function))
197 ;;; @ content header filter
200 (defun mime-viewer/default-content-header-filter ()
201 (goto-char (point-min))
202 (while (and (re-search-forward
203 (concat "^" mime-viewer/ignored-field-regexp ":")
210 (re-search-forward "^\\([^ \t]\\|$\\)" nil t)
214 (mime/decode-message-header)
217 (defvar mime-viewer/content-header-filter-alist nil)
220 ;;; @@ content filter
223 (defvar mime-viewer/content-filter-alist
224 '(("text/plain" . mime-viewer/filter-text/plain)
225 (nil . mime-viewer/filter-text/plain)))
227 (defun mime-viewer/default-content-filter (cnum cinfo ctype params subj)
231 ;;; @@ content separator
234 (defun mime-viewer/default-content-separator (cnum cinfo ctype params subj)
235 (if (and (not (mime-viewer/header-visible-p cnum cinfo ctype))
236 (not (mime-viewer/body-visible-p cnum cinfo ctype))
239 (goto-char (point-max))
244 ;;; @@ buffer local variables
247 (defvar mime::article/content-info nil)
248 (defvar mime::article/preview-buffer nil)
250 (defvar mime::preview/article-buffer nil)
251 (defvar mime::preview/content-list nil)
252 (defvar mime::preview/original-major-mode nil)
258 (defun mime-viewer/quitting-method-for-gnus4 ()
259 (mime-viewer/kill-buffer)
260 (delete-other-windows)
261 (gnus-article-show-summary)
262 (if (null gnus-have-all-headers)
263 (gnus-summary-select-article nil t)
266 (defvar mime-viewer/quitting-method-alist
267 '((gnus-article-mode . mime-viewer/quitting-method-for-gnus4)
268 (mime/show-message-mode
270 (set-window-configuration
271 mime/show-mode-old-window-configuration)
272 (let ((mother mime/mother-buffer))
274 (mime::preview-content-info/buffer
275 (car mime::preview/content-list)))
276 (mime-viewer/kill-buffer)
277 (pop-to-buffer mother)
278 (goto-char (point-min))
279 (mime-viewer/up-content)
284 ;;; @ data structures
289 (define-structure mime::content-info
290 point-min point-max type parameters encoding children)
292 ;;; @@ preview-content-info
294 (define-structure mime::preview-content-info
295 point-min point-max buffer content-info)
301 (defun mime-viewer/parse-message (&optional ctl encoding)
302 (make-variable-buffer-local 'mime::article/content-info)
303 (setq mime::article/content-info (mime-viewer/parse ctl encoding))
304 (let ((ret (mime-viewer/make-preview-buffer)))
305 (make-variable-buffer-local 'mime::article/preview-buffer)
306 (setq mime::article/preview-buffer (car ret))
309 (defun mime-viewer/parse (&optional ctl encoding)
312 (setq ctl (or (mime/Content-Type)
314 (setq encoding (or (mime/Content-Transfer-Encoding)
316 (let ((ctype (car ctl))
319 (let ((boundary (assoc "boundary" params)))
320 (goto-char (point-min))
321 (search-forward "\n\n" nil t)
326 (message/strip-quoted-string (cdr boundary)))
329 (if (re-search-forward
330 (concat "^--" (regexp-quote boundary) "--$") nil t)
334 (mime-viewer/parse-multipart
337 boundary ctype params encoding)
339 ((string= ctype "message/rfc822")
340 (mime::content-info/create
341 (point-min) (point-max)
342 ctype params encoding
345 (narrow-to-region (progn
346 (goto-char (point-min))
347 (if (re-search-forward "^$" nil t)
352 (list (mime-viewer/parse))
357 (mime::content-info/create (point-min) (point-max)
358 ctype params encoding nil)
362 (defun mime-viewer/parse-multipart (beg end boundary ctype params encoding)
363 (let ((sep (concat "^--" (regexp-quote boundary) "$"))
364 cb ce ct ret ncb children)
367 (narrow-to-region beg end)
368 (goto-char (point-min))
369 (search-forward (concat "--" boundary "\n") nil t)
370 (setq cb (match-end 0))
371 (while (re-search-forward sep nil t)
372 (setq ce (match-beginning 0))
373 (setq ncb (match-end 0))
376 (narrow-to-region cb ce)
377 (setq ret (apply (function mime-viewer/parse)
378 (cond ((string= ctype "multipart/digest")
379 '(("message/rfc822") "7bit")
381 (t '(("text/plain") "7bit"))
385 (setq children (nconc children (list ret)))
386 (goto-char (mime::content-info/point-max ret))
387 (search-forward (concat "--" boundary "\n") nil t)
388 (goto-char (setq cb (match-end 0)))
390 (setq ce (point-max))
393 (narrow-to-region cb ce)
394 (setq ret (apply (function mime-viewer/parse)
395 (cond ((string= ctype "multipart/mixed")
396 '(("text/plain") "7bit")
398 ((string= ctype "multipart/digest")
399 '(("message/rfc822") "7bit")
403 (setq children (nconc children (list ret)))
405 (setq beg (point-min))
407 (mime::content-info/create beg end ctype params encoding children)
410 (defun mime::parse-parameter (str)
411 (let ((ret (message::parse "\;" str)))
414 (message::parse mime/token-regexp
415 (message::parsed/rest ret)))
416 (let ((parameter (downcase (message::parsed/matched ret))))
417 (if (setq ret (message::parse "=" (message::parsed/rest ret)))
420 mime/content-parameter-value-regexp
421 (message::parsed/rest ret)))
422 (message::make-parsed
424 (message/strip-quoted-string
425 (message::parsed/matched ret))
427 (message::parsed/rest ret)
431 (defun mime::parse-field-body/Content-Type (str)
432 (let ((ret (message::parse mime/content-type-subtype-regexp str)))
434 (let ((ctype (downcase (message::parsed/matched ret)))
437 (setq str (message::parsed/rest ret))
438 (setq ret (mime::parse-parameter str))
440 (setq dest (cons (message::parsed/matched ret) dest))
442 (if (string-match "^[ \t]*$" str)
443 (cons ctype (reverse dest))
446 (defun mime/Content-Type (&optional port)
447 "Read field-body of Content-Type field from PORT and parse it.
448 PORT must be buffer or string. If PORT is omitted,
449 it is regarded as current-buffer. [tm-view]"
451 (setq port (current-buffer))
453 (let ((str (if (get-buffer port)
454 (save-window-excursion
455 (switch-to-buffer port)
456 (message/get-field-body "Content-Type")
461 (mime::parse-field-body/Content-Type
462 (message/unfolding-string str))
465 (defun mime/Content-Transfer-Encoding (&optional default-encoding)
466 (let ((str (message/get-field-body "Content-Transfer-Encoding")))
472 (defun mime-viewer/get-subject (param)
473 (if (member (cdr (assq 'encoding param))
474 mime-viewer/uuencode-encoding-name-list)
476 (or (if (re-search-forward "^begin [0-9]+ " nil t)
477 (if (looking-at ".+$")
478 (buffer-substring (match-beginning 0)(match-end 0))
482 (or (and (setq ret (assoc "name" param))
483 (message/strip-quoted-string (cdr ret))
485 (and (setq ret (assoc "x-name" param))
486 (message/strip-quoted-string (cdr ret))
491 (narrow-to-region (point-min)
492 (or (and (search-forward "\n\n" nil t)
497 (message/get-field-body "Content-Description")
498 (message/get-field-body "Subject")
503 (defun mime-viewer/get-name (param)
504 (let ((str (mime-viewer/get-subject param)))
505 (if (string-match " " str)
506 (if (or (string-match mime-viewer/file-name-regexp-1 str)
507 (string-match mime-viewer/file-name-regexp-2 str))
508 (substring str (match-beginning 0)(match-end 0))
510 (replace-as-filename str)
513 (defun mime-viewer/make-preview-buffer (&optional buf cinfo obuf)
514 (let ((the-buf (current-buffer))
522 (switch-to-buffer buf)
525 (setq cinfo mime::article/content-info)
528 (setq obuf (concat "*Preview-" (buffer-name buf) "*"))
530 (setq pcl (mime::make-flat-content-list cinfo))
531 (let ((bf (get-buffer obuf)))
532 (switch-to-buffer obuf)
533 (setq buffer-read-only nil)
537 (make-variable-buffer-local 'mime::preview/article-buffer)
538 (setq mime::preview/article-buffer the-buf)
539 (make-variable-buffer-local 'mime::preview/original-major-mode)
540 (setq mime::preview/original-major-mode mode)
541 (setq major-mode 'mime/viewer-mode)
542 (setq mode-name "MIME-View")
547 (let ((beg (mime::content-info/point-min cell))
548 (end (mime::content-info/point-max cell))
549 (ctype (mime::content-info/type cell))
550 (params (mime::content-info/parameters cell))
551 (encoding (mime::content-info/encoding cell))
552 he cnum e nb ne subj str)
553 (setq cnum (mime::get-point-content-number beg cinfo))
554 (switch-to-buffer the-buf)
555 (setq he (save-excursion
557 (re-search-forward "^$" nil t)
560 (if (> he (point-max))
561 (setq he (point-max))
563 (switch-to-buffer obuf)
565 (narrow-to-region nb nb)
566 (switch-to-buffer the-buf)
567 (if (mime-viewer/header-visible-p cnum cinfo ctype)
569 (setq str (buffer-substring beg he))
570 (switch-to-buffer obuf)
574 mime-viewer/content-header-filter-alist))
576 (if (and f (setq f (cdr f)))
578 (mime-viewer/default-content-header-filter)
580 (run-hooks 'mime-viewer/content-header-filter-hook)
581 (switch-to-buffer the-buf)
583 (if (mime-viewer/body-visible-p cnum cinfo ctype)
585 (setq str (buffer-substring he end))
586 (switch-to-buffer obuf)
588 (setq be (point-max))
589 (narrow-to-region be be)
591 (setq ne (point-max))
592 (let ((f (or (assoc-value
594 mime-viewer/content-filter-alist)
596 (if (and f (fboundp f))
597 (funcall f ctype params encoding)
598 (mime-viewer/default-content-filter
599 cnum cinfo ctype params subj)
601 (setq ne (point-max))
603 (switch-to-buffer the-buf)
605 (if (equal ctype "message/partial")
607 (switch-to-buffer obuf)
609 (setq be (point-max))
610 (narrow-to-region be be)
612 mime-viewer/announcement-for-message/partial)
613 (setq ne (point-max))
615 (switch-to-buffer the-buf)
618 (switch-to-buffer obuf)
619 (mime-viewer/default-content-separator
620 cnum cinfo ctype params subj)
623 (setq subj (mime-viewer/get-subject params))
625 (funcall mime-viewer/content-subject-function
626 cnum cinfo ctype params subj)
627 (setq ne (point-max))
629 (mime::preview-content-info/create nb (- ne 1)
635 (set-buffer-modified-p nil)
636 (setq buffer-read-only t)
637 (switch-to-buffer the-buf)
642 ;;; @ content information
645 (defun mime::get-point-content-number (p &optional cinfo)
647 (setq cinfo mime::article/content-info)
649 (let ((b (mime::content-info/point-min cinfo))
650 (e (mime::content-info/point-max cinfo))
651 (c (mime::content-info/children cinfo))
653 (if (and (<= b p)(<= p e))
654 (or (let (co ret (sn 0))
658 (setq ret (mime::get-point-content-number p co))
659 (cond ((eq ret t) (throw 'tag (list sn)))
660 (ret (throw 'tag (cons sn ret)))
667 (defun mime-article/cnum-to-cinfo (cn &optional cinfo)
669 (setq cinfo mime::article/content-info)
676 (let ((rc (nth sn (mime::content-info/children cinfo))))
678 (mime-article/cnum-to-cinfo (cdr cn) rc)
682 (defun mime::make-flat-content-list (&optional cinfo)
684 (setq cinfo mime::article/content-info)
686 (let ((dest (list cinfo))
687 (rcl (mime::content-info/children cinfo))
690 (setq dest (nconc dest (mime::make-flat-content-list (car rcl))))
695 (defun mime::point-preview-content (p &optional pcl)
697 (setq pcl mime::preview/content-list)
703 (if (and (<= (mime::preview-content-info/point-min cell) p)
704 (<= p (mime::preview-content-info/point-max cell))
717 (defun mime/make-method-args (cal format)
722 (let ((ret (cdr (assoc (eval arg) cal))))
730 (defun mime/start-external-method-region (beg end cal)
733 (narrow-to-region beg end)
735 (let ((method (cdr (assoc 'method cal)))
736 (name (mime-viewer/get-name cal))
739 (let ((file (make-temp-name
740 (expand-file-name "TM" mime/tmp-dir)))
745 (if (re-search-forward "^$" nil t)
751 (write-region b end file)
753 'name (replace-as-filename name) cal))
754 (setq cal (put-alist 'file file cal))
757 mime/output-buffer-name (car method)
759 (mime/make-method-args cal (cdr (cdr method)))
761 (apply (function start-process) args)
762 (mime/show-output-buffer)
766 (defun mime/decode-message/partial-region (beg end cal)
768 (let* ((root-dir (expand-file-name
769 (concat "m-prts-" (user-login-name)) mime/tmp-dir))
770 (id (cdr (assoc "id" cal)))
771 (number (cdr (assoc "number" cal)))
772 (total (cdr (assoc "total" cal)))
773 (the-buf (current-buffer))
775 (mother mime::article/preview-buffer))
776 (if (not (file-exists-p root-dir))
777 (make-directory root-dir)
779 (setq id (replace-as-filename id))
780 (setq root-dir (concat root-dir "/" id))
781 (if (not (file-exists-p root-dir))
782 (make-directory root-dir)
784 (setq file (concat root-dir "/FULL"))
785 (if (not (file-exists-p file))
787 (re-search-forward "^$")
788 (goto-char (+ (match-end 0) 1))
789 (setq file (concat root-dir "/" number))
790 (write-region (point) (point-max) file)
791 (if (get-buffer "*MIME-temp*")
792 (kill-buffer "*MIME-temp*")
794 (switch-to-buffer "*MIME-temp*")
796 (max (string-to-int total))
800 (setq file (concat root-dir "/" (int-to-string i)))
801 (if (not (file-exists-p file))
803 (switch-to-buffer the-buf)
806 (insert-file-contents file)
807 (goto-char (point-max))
810 (delete-other-windows)
811 (write-file (concat root-dir "/FULL"))
812 (setq major-mode 'mime/show-message-mode)
813 (mime/viewer-mode mother)
814 (pop-to-buffer (current-buffer))
818 (delete-other-windows)
820 (setq major-mode 'mime/show-message-mode)
821 (mime/viewer-mode mother)
822 (pop-to-buffer (current-buffer))
826 (defun mime/get-content-decoding-alist (al)
827 (get-unified-alist mime/content-decoding-condition al)
830 (defun mime::article/decode-content-region (cinfo)
831 (let ((beg (mime::content-info/point-min cinfo))
832 (end (mime::content-info/point-max cinfo))
833 (ctype (mime::content-info/type cinfo))
834 (params (mime::content-info/parameters cinfo))
835 (encoding (mime::content-info/encoding cinfo))
838 (let (method cal ret)
839 (setq cal (append (list (cons 'type ctype)
840 (cons 'encoding encoding)
841 (cons 'major-mode major-mode)
844 (if mime-viewer/decoding-mode
846 (cons 'mode mime-viewer/decoding-mode)
849 (setq ret (mime/get-content-decoding-alist cal))
850 (setq method (cdr (assoc 'method ret)))
851 (cond ((and (symbolp method)
853 (funcall method beg end ret)
855 ((and (listp method)(stringp (car method)))
856 (mime/start-external-method-region beg end ret)
858 (t (mime/show-output-buffer
859 "No method are specified for %s\n" ctype)
864 (defun mime/show-output-buffer (&rest forms)
865 (let ((the-buf (current-buffer)))
866 (if (null (get-buffer-window mime/output-buffer-name))
867 (split-window-vertically (/ (* (window-height) 3) 4))
869 (pop-to-buffer mime/output-buffer-name)
870 (goto-char (point-max))
872 (insert (apply (function format) forms))
874 (pop-to-buffer the-buf)
881 (defvar mime-viewer/code-converter-alist nil)
883 (defun mime-viewer/default-code-convert-region
884 (beg end charset &optional encoding)
885 (if (member encoding '("quoted-printable" "base64"))
886 (mime/code-convert-region-to-emacs beg (point-max) charset)
889 (defun mime-viewer/filter-text/plain (ctype params encoding)
890 (let ((charset (cdr (assoc "charset" params)))
891 (beg (point-min)) (end (point-max))
893 (goto-char (point-min))
894 (cond ((string= encoding "quoted-printable")
895 (quoted-printable-decode-region beg end)
897 ((string= encoding "base64")
898 (base64-decode-region beg end)
900 (let* ((mode mime::preview/original-major-mode)
901 (m (assq mode mime-viewer/code-converter-alist))
903 (if (and m (fboundp (setq m (cdr m))))
904 (funcall m beg (point-max) charset encoding)
905 (mime-viewer/default-code-convert-region beg (point-max)
908 (goto-char (point-max))
909 (if (not (eq (char-after (1- (point))) ?\n))
913 (run-hooks 'mime-viewer/plain-text-preview-hook)
917 ;;; @ MIME viewer mode
920 (defvar mime/viewer-mode-map nil)
921 (if (null mime/viewer-mode-map)
923 (setq mime/viewer-mode-map (make-keymap))
924 (suppress-keymap mime/viewer-mode-map)
925 (define-key mime/viewer-mode-map
926 "u" (function mime-viewer/up-content))
927 (define-key mime/viewer-mode-map
928 "p" (function mime-viewer/previous-content))
929 (define-key mime/viewer-mode-map
930 "n" (function mime-viewer/next-content))
931 (define-key mime/viewer-mode-map
932 " " (function mime-viewer/scroll-up-content))
933 (define-key mime/viewer-mode-map
934 "\M- " (function mime-viewer/scroll-down-content))
935 (define-key mime/viewer-mode-map
936 "\177" (function mime-viewer/scroll-down-content))
937 (define-key mime/viewer-mode-map
938 "\C-m" (function mime-viewer/next-line-content))
939 (define-key mime/viewer-mode-map
940 "\C-\M-m" (function mime-viewer/previous-line-content))
941 (define-key mime/viewer-mode-map
942 "v" (function mime-viewer/play-content))
943 (define-key mime/viewer-mode-map
944 "e" (function mime-viewer/extract-content))
945 (define-key mime/viewer-mode-map
946 "\C-c\C-p" (function mime-viewer/print-content))
947 (define-key mime/viewer-mode-map
948 "q" (function mime-viewer/quit))
949 (define-key mime/viewer-mode-map
950 "\C-c\C-x" (function mime-viewer/kill-buffer))
953 (defun mime/viewer-mode (&optional mother ctl encoding)
954 "Major mode for viewing MIME message.
956 u Move to upper content
957 p Move to previous content
958 n Move to next content
962 RET Move to next line
963 M-RET Move to previous line
964 v Decode the content as `play mode'
965 e Decode the content as `extract mode'
966 C-c C-p Decode the content as `print mode'
970 (setq mime-viewer/ignored-field-regexp
972 (mapconcat (function regexp-quote)
973 mime-viewer/ignored-field-list "\\|")
975 (let ((buf (get-buffer mime/output-buffer-name))
976 (the-buf (current-buffer))
980 (switch-to-buffer buf)
982 (switch-to-buffer the-buf)
984 (let ((ret (mime-viewer/parse-message ctl encoding)))
986 (switch-to-buffer (car ret))
989 (make-variable-buffer-local
990 'mime/show-mode-old-window-configuration)
991 (setq mime/show-mode-old-window-configuration
992 (current-window-configuration))
993 (make-variable-buffer-local 'mime/mother-buffer)
994 (setq mime/mother-buffer mother)
996 (use-local-map mime/viewer-mode-map)
997 (make-variable-buffer-local 'mime::preview/content-list)
998 (setq mime::preview/content-list (nth 1 ret))
1000 (let ((ce (mime::preview-content-info/point-max
1001 (car mime::preview/content-list)
1004 (goto-char (point-min))
1005 (search-forward "\n\n" nil t)
1006 (setq e (match-end 0))
1010 (run-hooks 'mime/viewer-mode-hook)
1013 (defun mime-preview/point-content-number (point)
1014 (save-window-excursion
1015 (let ((pc (mime::point-preview-content (point)))
1017 (switch-to-buffer (mime::preview-content-info/buffer pc))
1018 (setq cinfo (mime::preview-content-info/content-info pc))
1019 (mime::get-point-content-number (mime::content-info/point-min cinfo))
1022 (defun mime-preview/cinfo-to-pcinfo (cinfo)
1023 (let ((rpcl mime::preview/content-list) cell)
1026 (setq cell (car rpcl))
1027 (if (eq cinfo (mime::preview-content-info/content-info cell))
1030 (setq rpcl (cdr rpcl))
1033 (defvar mime-preview/after-decoded-position nil)
1035 (defun mime-preview/decode-content ()
1037 (let ((pc (mime::point-preview-content (point))))
1039 (let ((the-buf (current-buffer)))
1040 (setq mime-preview/after-decoded-position (point))
1041 (switch-to-buffer (mime::preview-content-info/buffer pc))
1042 (mime::article/decode-content-region
1043 (mime::preview-content-info/content-info pc))
1044 (if (eq (current-buffer)
1045 (mime::preview-content-info/buffer pc))
1047 (switch-to-buffer the-buf)
1048 (goto-char mime-preview/after-decoded-position)
1052 (defun mime-viewer/play-content ()
1054 (let ((mime-viewer/decoding-mode "play"))
1055 (mime-preview/decode-content)
1058 (defun mime-viewer/extract-content ()
1060 (let ((mime-viewer/decoding-mode "extract"))
1061 (mime-preview/decode-content)
1064 (defun mime-viewer/print-content ()
1066 (let ((mime-viewer/decoding-mode "print"))
1067 (mime-preview/decode-content)
1070 (defun mime-viewer/up-content ()
1072 (let ((pc (mime::point-preview-content (point))) cinfo
1073 (the-buf (current-buffer))
1075 (switch-to-buffer (mime::preview-content-info/buffer pc))
1076 (setq cinfo (mime::preview-content-info/content-info pc))
1077 (setq cn (mime::get-point-content-number
1078 (mime::content-info/point-min cinfo)))
1080 (mime-viewer/quit the-buf
1081 (mime::preview-content-info/buffer pc)
1083 (setq r (mime-article/cnum-to-cinfo (butlast cn)))
1084 (switch-to-buffer the-buf)
1086 (let ((rpcl mime::preview/content-list) cell)
1088 (setq cell (car rpcl))
1089 (if (eq r (mime::preview-content-info/content-info cell))
1091 (goto-char (mime::preview-content-info/point-min cell))
1094 (setq rpcl (cdr rpcl))
1098 (defun mime-viewer/previous-content ()
1100 (let* ((pcl mime::preview/content-list)
1102 (i (- (length pcl) 1))
1106 (setq beg (mime::preview-content-info/point-min (nth i pcl)))
1108 (throw 'tag (goto-char beg))
1114 (defun mime-viewer/next-content ()
1116 (let ((pcl mime::preview/content-list)
1121 (setq beg (mime::preview-content-info/point-min (car pcl)))
1123 (throw 'tag (goto-char beg))
1125 (setq pcl (cdr pcl))
1129 (defun mime-viewer/scroll-up-content (&optional h)
1132 (setq h (- (window-height) 1))
1134 (let ((pcl mime::preview/content-list)
1140 (setq beg (mime::preview-content-info/point-min (car pcl)))
1144 (setq pcl (cdr pcl))
1154 (defun mime-viewer/scroll-down-content (&optional h)
1157 (setq h (- (window-height) 1))
1159 (let ((pcl mime::preview/content-list)
1163 (or (let ((i (- (length pcl) 1)))
1166 (setq beg (mime::preview-content-info/point-min
1174 (forward-line (- h))
1179 (defun mime-viewer/next-line-content ()
1181 (mime-viewer/scroll-up-content 1)
1184 (defun mime-viewer/previous-line-content ()
1186 (mime-viewer/scroll-down-content 1)
1189 (defun mime-viewer/quit (&optional the-buf buf)
1192 (setq the-buf (current-buffer))
1195 (setq buf (mime::preview-content-info/buffer
1196 (mime::point-preview-content (point))))
1199 (switch-to-buffer buf)
1200 (assoc major-mode mime-viewer/quitting-method-alist)
1204 (switch-to-buffer the-buf)
1209 (defun mime-viewer/kill-buffer ()
1211 (kill-buffer (current-buffer))
1220 (run-hooks 'tm-view-load-hook)