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 6.19 1995/04/28 06:13:27 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 ;;(setq mime/content-decoding-condition
52 '(((type . "text/plain")
53 (method "tm-plain" nil 'file 'type 'encoding 'mode 'name))
54 ;;((type . "text/x-latex")
55 ;; (method "tm-latex" nil 'file 'type 'encoding 'mode 'name))
56 ((type . "audio/basic")
57 (method "tm-au" nil 'file 'type 'encoding 'mode 'name))
59 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
60 ((type . "image/jpeg")
61 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
62 ((type . "image/tiff")
63 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
64 ((type . "image/x-tiff")
65 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
66 ((type . "image/x-xbm")
67 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
68 ((type . "image/x-pic")
69 (method "tm-image" nil 'file 'type 'encoding 'mode 'name))
70 ((type . "video/mpeg")
71 (method "tm-mpeg" nil 'file 'type 'encoding 'mode 'name))
72 ((type . "application/octet-stream")
73 (method "tm-file" nil 'file 'type 'encoding 'mode 'name))
74 ;;((type . "message/external-body")
75 ;; (method "xterm" nil
76 ;; "-e" "showexternal"
77 ;; 'file '"access-type" '"name" '"site" '"directory"))
78 ((type . "message/partial")
79 (method . mime/decode-message/partial-region))
80 ((type . "message/rfc822")
81 (method "tm-file" nil 'file 'type 'encoding 'mode 'name))
83 "-m" "tm" "-x" "-d" "-z" "-e" 'file)(mode . "play"))
86 (defvar mime-viewer/content-filter-alist
87 '(("text/plain" . mime-viewer/filter-text/plain)))
89 (defvar mime-viewer/content-subject-function
91 (lambda (cnum subj ctype params)
93 (format "[%s %s (%s)]\n"
97 (format "%s" (+ num 1))
104 (defvar mime-viewer/content-header-filter-function
105 (function mime-viewer/default-content-header-filter-function))
107 (defvar mime-viewer/childrens-header-showing-Content-Type-list
110 (defvar mime-viewer/ignored-field-list
113 (defun mime-viewer/default-content-header-filter-function (cnum cinfo)
114 (if (and (listp cnum)
116 (mime::content-info/type
117 (mime::article/get-content-region (butlast cnum) cinfo)
119 mime-viewer/childrens-header-showing-Content-Type-list)
121 (delete-region (goto-char (point-min))
122 (or (and (re-search-forward "^$" nil t)
128 (narrow-to-region (goto-char (point-min))
129 (or (and (re-search-forward "^$" nil t)
135 (goto-char (point-min))
136 (while (and (re-search-forward
137 (concat "^" (regexp-quote field) ":")
144 (concat message/field-body-regexp "\n")
150 )) mime-viewer/ignored-field-list)
153 (defvar mime-viewer/default-showing-Content-Type-list
154 '("text/plain" "text/richtext" "text/enriched"
155 "text/x-latex" "application/x-latex"
156 "application/octet-stream" nil))
158 (defvar mime-viewer/decoding-mode "play" "MIME body decoding mode")
164 (defun mime::viewer/quitting-method-for-gnus4 ()
165 (mime-viewer/kill-buffer)
166 (delete-other-windows)
167 (gnus-article-show-summary)
170 (defun mime::viewer/quitting-method-for-rmail ()
171 (mime-viewer/kill-buffer)
173 (delete-other-windows)
176 (defun mime::viewer/quitting-method-for-mh-e ()
177 (let ((win (get-buffer-window
178 mime/output-buffer-name))
180 (mime::preview-content-info/buffer
181 (car mime::preview/content-list)))
186 (mime-viewer/kill-buffer)
188 (let ((name (buffer-name buf)))
189 (string-match "show-" name)
190 (substring name (match-end 0))
192 ;; patch for mh-narrow.el
193 ;; by YAMAOKA Katsumi <yamaoka@ga.sony.co.jp>
194 (if (and (featurep 'mh-narrow)
195 (fboundp 'mh-narrow-to-page))
197 (set-buffer mh-show-buffer)
198 (mh-narrow-to-page)))
202 (defvar mime-viewer/quitting-method-alist
203 '((gnus-article-mode . mime::viewer/quitting-method-for-gnus4)
204 (rmail-mode . mime::viewer/quitting-method-for-rmail)
205 (mh-show-mode . mime::viewer/quitting-method-for-mh-e)
206 (mime/show-message-mode
208 (set-window-configuration
209 mime/show-mode-old-window-configuration)
210 (let ((mother mime/mother-buffer))
212 (mime::preview-content-info/buffer
213 (car mime::preview/content-list)))
214 (mime-viewer/kill-buffer)
215 (pop-to-buffer mother)
216 (goto-char (point-min))
217 (mime-viewer/up-content)
228 (defun mime::make-content-info (beg end ctype params encoding children)
229 (vector beg end ctype params encoding children)
232 (defun mime::content-info/point-min (cinfo)
236 (defun mime::content-info/point-max (cinfo)
240 (defun mime::content-info/type (cinfo)
244 (defun mime::content-info/parameters (cinfo)
248 (defun mime::content-info/encoding (cinfo)
252 (defun mime::content-info/children (cinfo)
256 ;;; @@ preview-content-info
259 (defun mime::make-preview-content-info (beg end buf cinfo)
260 (vector beg end buf cinfo)
263 (defun mime::preview-content-info/point-min (pcinfo)
267 (defun mime::preview-content-info/point-max (pcinfo)
271 (defun mime::preview-content-info/buffer (pcinfo)
275 (defun mime::preview-content-info/content-info (pcinfo)
280 ;;; @ buffer local variables
283 (defvar mime::article/content-info)
284 (defvar mime::article/preview-buffer)
286 (defvar mime::preview/content-list nil)
287 (defvar mime::preview/original-major-mode nil)
293 (defun mime-viewer/parse-message (&optional ctl encoding)
294 (make-variable-buffer-local 'mime::article/content-info)
295 (setq mime::article/content-info (mime-viewer/parse ctl encoding))
296 (let ((ret (mime-viewer/make-preview-buffer)))
297 (make-variable-buffer-local 'mime::article/preview-buffer)
298 (setq mime::article/preview-buffer (car ret))
301 (defun mime-viewer/parse (&optional ctl encoding)
304 (setq ctl (or (mime/Content-Type)
306 (setq encoding (or (mime/Content-Transfer-Encoding)
308 (let ((ctype (car ctl))
311 (let ((boundary (assoc "boundary" params)))
312 (goto-char (point-min))
313 (search-forward "\n\n" nil t)
318 (message/strip-quoted-string (cdr boundary)))
321 (if (search-forward (concat "--" boundary "--\n") nil t)
325 (mime-viewer/parse-multipart
328 boundary ctype params encoding)
330 ((string= ctype "message/rfc822")
331 (mime::make-content-info
332 (point-min) (point-max)
333 ctype params encoding
336 (narrow-to-region (progn
337 (goto-char (point-min))
338 (if (re-search-forward "^$" nil t)
343 (list (mime-viewer/parse))
348 (mime::make-content-info (point-min) (point-max)
349 ctype params encoding nil)
353 (defun mime-viewer/parse-multipart (beg end boundary ctype params encoding)
354 (let ((sep (concat "^--" (regexp-quote boundary) "$"))
355 cb ce ct ret ncb children)
358 (narrow-to-region beg end)
359 (goto-char (point-min))
360 (search-forward (concat "--" boundary "\n") nil t)
361 (setq cb (match-end 0))
362 (while (re-search-forward sep nil t)
363 (setq ce (match-beginning 0))
364 (setq ncb (match-end 0))
367 (narrow-to-region cb ce)
368 (setq ret (apply (function mime-viewer/parse)
369 (cond ((string= ctype "multipart/digest")
370 '(("message/rfc822") "7bit")
372 (t '(("text/plain") "7bit"))
376 (setq children (nconc children (list ret)))
377 (goto-char (mime::content-info/point-max ret))
378 (search-forward (concat "--" boundary "\n") nil t)
379 (goto-char (setq cb (match-end 0)))
381 (setq ce (point-max))
384 (narrow-to-region cb ce)
385 (setq ret (apply (function mime-viewer/parse)
386 (cond ((string= ctype "multipart/mixed")
387 '(("text/plain") "7bit")
389 ((string= ctype "multipart/digest")
390 '(("message/rfc822") "7bit")
394 (setq children (nconc children (list ret)))
396 (setq beg (point-min))
398 (mime::make-content-info beg end ctype params encoding children)
401 (defun mime::parse-parameter (str)
402 (let ((ret (message::parse "\;" str)))
405 (message::parse mime/token-regexp
406 (message::parsed/rest ret)))
407 (let ((parameter (downcase (message::parsed/matched ret))))
408 (if (setq ret (message::parse "=" (message::parsed/rest ret)))
411 mime/content-parameter-value-regexp
412 (message::parsed/rest ret)))
413 (message::make-parsed
415 (message/strip-quoted-string
416 (message::parsed/matched ret))
418 (message::parsed/rest ret)
422 (defun mime::parse-field-body/Content-Type (str)
423 (let ((ret (message::parse mime/content-type-subtype-regexp str)))
425 (let ((ctype (downcase (message::parsed/matched ret)))
428 (setq str (message::parsed/rest ret))
429 (setq ret (mime::parse-parameter str))
431 (setq dest (cons (message::parsed/matched ret) dest))
433 (if (string-match "^[ \t]*$" str)
434 (cons ctype (reverse dest))
437 (defun mime/Content-Type ()
438 (let ((str (message/get-field-body "Content-Type")))
440 (mime::parse-field-body/Content-Type
441 (message/unfolding-string str))
444 (defun mime/Content-Transfer-Encoding (&optional default-encoding)
445 (let ((str (message/get-field-body "Content-Transfer-Encoding")))
451 (defun mime/get-subject (param)
455 (or (and (setq ret (assoc "name" param))
456 (message/strip-quoted-string (cdr ret))
458 (and (setq ret (assoc "x-name" param))
459 (message/strip-quoted-string (cdr ret))
462 (narrow-to-region (point-min)
463 (or (and (search-forward "\n\n" nil t)
468 (message/get-field-body "Content-Description")
469 (message/get-field-body "Subject")
474 (defun mime/get-name (param)
475 (replace-as-filename (mime/get-subject param))
478 (defun mime-viewer/make-preview-buffer (&optional buf cinfo obuf)
479 (let ((the-buf (current-buffer)) pcl dest)
487 (switch-to-buffer buf)
488 (setq cinfo mime::article/content-info)
491 (setq obuf (concat "*Preview-" (buffer-name buf) "*"))
493 (setq pcl (mime::make-flat-content-list cinfo))
494 (if (get-buffer obuf)
501 (let ((beg (mime::content-info/point-min cell))
502 (end (mime::content-info/point-max cell))
503 (ctype (mime::content-info/type cell))
504 (params (mime::content-info/parameters cell))
505 cnum e nb ne subj str)
506 (setq cnum (mime::get-point-content-number beg cinfo))
507 (switch-to-buffer buf)
512 mime-viewer/default-showing-Content-Type-list))
516 (re-search-forward "^$" nil t)
520 (if (> e (point-max))
523 (setq str (buffer-substring beg e))
524 (switch-to-buffer obuf)
531 (narrow-to-region nb ne)
532 (mime/decode-message-header)
533 (setq subj (mime/get-subject params))
537 mime-viewer/content-filter-alist))))
538 (if (and f (fboundp f))
539 (funcall f ctype params)
541 (funcall mime-viewer/content-header-filter-function
544 (funcall mime-viewer/content-subject-function
545 cnum subj ctype params)
546 (setq ne (point-max))
547 (mime::make-preview-content-info nb (- ne 1)
553 (set-buffer-modified-p nil)
554 (setq buffer-read-only t)
555 (switch-to-buffer the-buf)
560 ;;; @ content information
563 (defun mime::get-point-content-number (p &optional cinfo)
565 (setq cinfo mime::article/content-info)
567 (let ((b (mime::content-info/point-min cinfo))
568 (e (mime::content-info/point-max cinfo))
569 (c (mime::content-info/children cinfo))
571 (if (and (<= b p)(<= p e))
572 (or (let (co ret (sn 0))
576 (setq ret (mime::get-point-content-number p co))
577 (cond ((eq ret t) (throw 'tag (list sn)))
578 (ret (throw 'tag (cons sn ret)))
585 (defun mime::article/get-content-region (cn &optional cinfo)
587 (setq cinfo mime::article/content-info)
594 (let ((rc (nth sn (mime::content-info/children cinfo))))
596 (mime::article/get-content-region (cdr cn) rc)
600 (defun mime::make-flat-content-list (&optional cinfo)
602 (setq cinfo mime::article/content-info)
604 (let ((dest (list cinfo))
605 (rcl (mime::content-info/children cinfo))
608 (setq dest (nconc dest (mime::make-flat-content-list (car rcl))))
613 (defun mime::point-preview-content (p &optional pcl)
615 (setq pcl mime::preview/content-list)
621 (if (and (<= (mime::preview-content-info/point-min cell) p)
622 (<= p (mime::preview-content-info/point-max cell))
635 (defun mime/Quoted-Printable-decode-region (beg end)
639 (narrow-to-region beg end)
640 (goto-char (point-min))
641 (while (re-search-forward "=\n" nil t)
644 (goto-char (point-min))
646 (while (re-search-forward mime/Quoted-Printable-octet-regexp nil t)
647 (setq b (match-beginning 0))
648 (setq e (match-end 0))
649 (setq str (buffer-substring b e))
651 (insert (mime/Quoted-Printable-decode-string str))
655 (defun mime/Base64-decode-region (beg end)
659 (narrow-to-region beg end)
660 (goto-char (point-min))
661 (while (search-forward "\n" nil t)
664 (let ((str (buffer-substring (point-min)(point-max))))
665 (delete-region (point-min)(point-max))
666 (insert (mime/base64-decode-string str))
669 (defun mime/make-method-args (cal format)
674 (let ((ret (cdr (assoc (eval arg) cal))))
682 (defun mime/start-external-method-region (beg end cal)
685 (narrow-to-region beg end)
687 (let ((method (cdr (assoc 'method cal)))
688 (name (mime/get-name cal))
691 (let ((file (make-temp-name
692 (expand-file-name "TM" mime/tmp-dir)))
697 (if (re-search-forward "^$" nil t)
703 (write-region b end file)
705 'name (replace-as-filename name) cal))
706 (setq cal (put-alist 'file file cal))
709 mime/output-buffer-name (car method)
711 (mime/make-method-args cal (cdr (cdr method)))
713 (apply (function start-process) args)
714 (mime/show-output-buffer)
718 (defun mime/decode-message/partial-region (beg end cal)
720 (let* ((root-dir (expand-file-name
721 (concat "m-prts-" (user-login-name)) mime/tmp-dir))
722 (id (cdr (assoc "id" cal)))
723 (number (cdr (assoc "number" cal)))
724 (total (cdr (assoc "total" cal)))
725 (the-buf (current-buffer))
727 (mother mime::article/preview-buffer))
728 (if (not (file-exists-p root-dir))
729 (make-directory root-dir)
731 (setq id (replace-as-filename id))
732 (setq root-dir (concat root-dir "/" id))
733 (if (not (file-exists-p root-dir))
734 (make-directory root-dir)
736 (setq file (concat root-dir "/FULL"))
737 (if (not (file-exists-p file))
739 (re-search-forward "^$")
740 (goto-char (+ (match-end 0) 1))
741 (setq file (concat root-dir "/" number))
742 (write-region (point) (point-max) file)
743 (if (get-buffer "*MIME-temp*")
744 (kill-buffer "*MIME-temp*")
746 (switch-to-buffer "*MIME-temp*")
748 (max (string-to-int total))
752 (setq file (concat root-dir "/" (int-to-string i)))
753 (if (not (file-exists-p file))
755 (switch-to-buffer the-buf)
758 (insert-file-contents file)
759 (goto-char (point-max))
762 (delete-other-windows)
763 (write-file (concat root-dir "/FULL"))
764 (setq major-mode 'mime/show-message-mode)
765 (mime/viewer-mode mother)
766 (pop-to-buffer (current-buffer))
770 (delete-other-windows)
772 (setq major-mode 'mime/show-message-mode)
773 (mime/viewer-mode mother)
774 (pop-to-buffer (current-buffer))
778 (defun mime/get-content-decoding-alist (al)
779 (get-unified-alist mime/content-decoding-condition al)
782 (defun mime::article/decode-content-region (cinfo)
783 (let ((beg (mime::content-info/point-min cinfo))
784 (end (mime::content-info/point-max cinfo))
785 (ctype (mime::content-info/type cinfo))
786 (params (mime::content-info/parameters cinfo))
787 (encoding (mime::content-info/encoding cinfo))
790 (let (method cal ret)
791 (setq cal (append (list (cons 'type ctype)
792 (cons 'encoding encoding)
793 (cons 'major-mode major-mode)
796 (if mime-viewer/decoding-mode
798 (cons 'mode mime-viewer/decoding-mode)
801 (setq ret (mime/get-content-decoding-alist cal))
802 (setq method (cdr (assoc 'method ret)))
803 (cond ((and (symbolp method)
805 (funcall method beg end ret)
807 ((and (listp method)(stringp (car method)))
808 (mime/start-external-method-region beg end ret)
810 (t (mime/show-output-buffer
811 "No method are specified for %s\n" ctype)
816 (defun mime/show-output-buffer (&rest forms)
817 (let ((the-buf (current-buffer)))
818 (if (null (get-buffer-window mime/output-buffer-name))
819 (split-window-vertically (/ (* (window-height) 3) 4))
821 (pop-to-buffer mime/output-buffer-name)
822 (goto-char (point-max))
824 (insert (apply (function format) forms))
826 (pop-to-buffer the-buf)
833 (defun mime-viewer/filter-text/plain (ctype params)
836 (let ((charset (cdr (assoc "charset" params)))
840 (goto-char (point-min))
841 (narrow-to-region (point-min)
842 (or (and (search-forward "\n\n" nil t)
845 (goto-char (point-min))
846 (mime/Content-Transfer-Encoding "7bit")
848 (beg (point-min)) (end (point-max))
850 (goto-char (point-min))
851 (if (search-forward "\n\n" nil t)
852 (setq beg (match-end 0))
854 (if (cond ((string= encoding "quoted-printable")
855 (mime/Quoted-Printable-decode-region beg end)
857 ((string= encoding "base64")
858 (mime/Base64-decode-region beg end)
860 (mime/code-convert-region-to-emacs beg (point-max) charset)
865 ;;; @ MIME viewer mode
868 (defvar mime/viewer-mode-map nil)
869 (if (null mime/viewer-mode-map)
871 (setq mime/viewer-mode-map (make-keymap))
872 (suppress-keymap mime/viewer-mode-map)
873 (define-key mime/viewer-mode-map
874 "u" (function mime-viewer/up-content))
875 (define-key mime/viewer-mode-map
876 "p" (function mime-viewer/previous-content))
877 (define-key mime/viewer-mode-map
878 "n" (function mime-viewer/next-content))
879 (define-key mime/viewer-mode-map
880 " " (function mime-viewer/scroll-up-content))
881 (define-key mime/viewer-mode-map
882 "\M- " (function mime-viewer/scroll-down-content))
883 (define-key mime/viewer-mode-map
884 "\177" (function mime-viewer/scroll-down-content))
885 (define-key mime/viewer-mode-map
886 "\C-m" (function mime-viewer/next-line-content))
887 (define-key mime/viewer-mode-map
888 "\C-\M-m" (function mime-viewer/previous-line-content))
889 (define-key mime/viewer-mode-map
890 "v" (function mime-viewer/play-content))
891 (define-key mime/viewer-mode-map
892 "e" (function mime-viewer/extract-content))
893 (define-key mime/viewer-mode-map
894 "\C-c\C-p" (function mime-viewer/print-content))
895 (define-key mime/viewer-mode-map
896 "q" (function mime-viewer/quit))
897 (define-key mime/viewer-mode-map
898 "\C-c\C-x" (function mime-viewer/kill-buffer))
901 (defun mime/viewer-mode (&optional mother ctl encoding)
902 "Major mode for viewing MIME message.
904 u Move to upper content
905 p Move to previous content
906 n Move to next content
910 RET Move to next line
911 M-RET Move to previous line
912 v Decode the content as `play mode'
913 e Decode the content as `extract mode'
914 C-c C-p Decode the content as `print mode'
918 (let ((buf (get-buffer mime/output-buffer-name))
919 (the-buf (current-buffer))
923 (switch-to-buffer buf)
925 (switch-to-buffer the-buf)
927 (let ((ret (mime-viewer/parse-message ctl encoding))
929 (switch-to-buffer (car ret))
930 (setq major-mode 'mime/viewer-mode)
931 (setq mode-name "MIME-View")
932 (make-variable-buffer-local 'mime::preview/original-major-mode)
933 (setq mime::preview/original-major-mode
936 (make-variable-buffer-local
937 'mime/show-mode-old-window-configuration)
938 (setq mime/show-mode-old-window-configuration
939 (current-window-configuration))
940 (make-variable-buffer-local 'mime/mother-buffer)
941 (setq mime/mother-buffer mother)
942 'mime/show-message-mode)
944 (use-local-map mime/viewer-mode-map)
945 (make-variable-buffer-local 'mime::preview/content-list)
946 (setq mime::preview/content-list (nth 1 ret))
948 (let ((ce (mime::preview-content-info/point-max
949 (car mime::preview/content-list)
952 (goto-char (point-min))
953 (search-forward "\n\n" nil t)
954 (setq e (match-end 0))
958 (run-hooks 'mime/viewer-mode-hook)
961 (defun mime::preview/decode-content ()
963 (let ((pc (mime::point-preview-content (point))))
965 (let ((the-buf (current-buffer)))
966 (switch-to-buffer (mime::preview-content-info/buffer pc))
967 (mime::article/decode-content-region
968 (mime::preview-content-info/content-info pc))
969 (if (eq (current-buffer)
970 (mime::preview-content-info/buffer pc))
971 (switch-to-buffer the-buf)
975 (defun mime-viewer/play-content ()
977 (let ((mime-viewer/decoding-mode "play"))
978 (mime::preview/decode-content)
981 (defun mime-viewer/extract-content ()
983 (let ((mime-viewer/decoding-mode "extract"))
984 (mime::preview/decode-content)
987 (defun mime-viewer/print-content ()
989 (let ((mime-viewer/decoding-mode "print"))
990 (mime::preview/decode-content)
993 (defun mime-viewer/up-content ()
995 (let ((pc (mime::point-preview-content (point))) cinfo
996 (the-buf (current-buffer))
998 (switch-to-buffer (mime::preview-content-info/buffer pc))
999 (setq cinfo (mime::preview-content-info/content-info pc))
1000 (setq cn (mime::get-point-content-number
1001 (mime::content-info/point-min cinfo)))
1003 (mime-viewer/quit the-buf
1004 (mime::preview-content-info/buffer pc)
1006 (setq r (mime::article/get-content-region (butlast cn)))
1007 (switch-to-buffer the-buf)
1009 (let ((rpcl mime::preview/content-list) cell)
1011 (setq cell (car rpcl))
1012 (if (eq r (mime::preview-content-info/content-info cell))
1014 (goto-char (mime::preview-content-info/point-min cell))
1017 (setq rpcl (cdr rpcl))
1021 (defun mime-viewer/previous-content ()
1023 (let* ((pcl mime::preview/content-list)
1025 (i (- (length pcl) 1))
1029 (setq beg (mime::preview-content-info/point-min (nth i pcl)))
1031 (throw 'tag (goto-char beg))
1037 (defun mime-viewer/next-content ()
1039 (let ((pcl mime::preview/content-list)
1044 (setq beg (mime::preview-content-info/point-min (car pcl)))
1046 (throw 'tag (goto-char beg))
1048 (setq pcl (cdr pcl))
1052 (defun mime-viewer/scroll-up-content (&optional h)
1055 (setq h (- (window-height) 1))
1057 (let ((pcl mime::preview/content-list)
1063 (setq beg (mime::preview-content-info/point-min (car pcl)))
1067 (setq pcl (cdr pcl))
1075 (defun mime-viewer/scroll-down-content (&optional h)
1078 (setq h (- (window-height) 1))
1080 (let ((pcl mime::preview/content-list)
1084 (or (let ((i (- (length pcl) 1)))
1087 (setq beg (mime::preview-content-info/point-min
1095 (forward-line (- h))
1100 (defun mime-viewer/next-line-content ()
1102 (mime-viewer/scroll-up-content 1)
1105 (defun mime-viewer/previous-line-content ()
1107 (mime-viewer/scroll-down-content 1)
1110 (defun mime-viewer/quit (&optional the-buf buf)
1113 (setq the-buf (current-buffer))
1116 (setq buf (mime::preview-content-info/buffer
1117 (mime::point-preview-content (point))))
1120 (switch-to-buffer buf)
1121 (assoc major-mode mime-viewer/quitting-method-alist)
1125 (switch-to-buffer the-buf)
1130 (defun mime-viewer/kill-buffer ()
1132 (kill-buffer (current-buffer))
1135 (fset 'mime/view-mode 'mime/viewer-mode)
1137 (run-hooks 'tm-view-load-hook)