2 ;;; A MIME viewer for GNU Emacs
4 ;;; by Morioka Tomohiko, 1994/07/13
24 (defconst mime-viewer/RCS-ID
25 "$Id: tm-view.el,v 6.54 1995/06/13 22:31:38 morioka Exp $")
27 (defconst mime-viewer/version (get-version-string mime-viewer/RCS-ID))
28 (defconst mime/viewer-version mime-viewer/version)
34 (defconst mime/tspecials "\000-\040()<>@,;:\\\"/[\093?.=")
35 (defconst mime/token-regexp
36 (concat "[^" mime/tspecials "]*"))
37 (defconst mime/content-type-subtype-regexp
38 (concat mime/token-regexp "/" mime/token-regexp))
39 (defconst mime/content-parameter-value-regexp
41 message/quoted-string-regexp
44 (defconst mime/output-buffer-name "*MIME-out*")
45 (defconst mime/decoding-buffer-name "*MIME-decoding*")
51 (defvar 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/childrens-header-showing-Content-Type-list
89 (defvar mime-viewer/default-showing-Content-Type-list
90 '("text/plain" "text/richtext" "text/enriched"
91 "text/x-latex" "application/x-latex"
92 "application/octet-stream" nil
93 "application/x-selection" "application/x-comment"))
95 (defvar mime-viewer/content-subject-omitting-Content-Type-list
96 '("application/x-selection"))
98 (defvar mime-viewer/uuencode-encoding-name-list '("x-uue" "x-uuencode"))
100 (defvar mime-viewer/ignored-field-list
101 '("Received" "Return-Path" "Replied" "Errors-To"
102 "Lines" "Sender" "Path" "Nntp-Posting-Host"
103 "Content-Type" "Precedence"))
105 (defvar mime-viewer/ignored-field-regexp)
107 (defvar mime-viewer/decoding-mode "play" "MIME body decoding mode")
109 (defvar mime-viewer/file-name-char-regexp "[A-Za-z0-9+_-]")
111 (defvar mime-viewer/file-name-regexp-1
112 (concat mime-viewer/file-name-char-regexp "+\\."
113 mime-viewer/file-name-char-regexp "+"))
115 (defvar mime-viewer/file-name-regexp-2
116 (concat (regexp-* mime-viewer/file-name-char-regexp)
117 "\\(\\." mime-viewer/file-name-char-regexp "+\\)*"))
120 ;;; @@ predicate functions
123 (defun mime-viewer/header-visible-p (cnum cinfo &optional ctype)
127 (mime::content-info/type
128 (mime-article/cnum-to-cinfo (butlast cnum) cinfo)
130 (member ctype mime-viewer/childrens-header-showing-Content-Type-list)
133 (defun mime-viewer/body-visible-p (cnum cinfo &optional ctype)
137 (mime::content-info/type
138 (setq ccinfo (mime-article/cnum-to-cinfo cnum cinfo))
141 (and (member ctype mime-viewer/default-showing-Content-Type-list)
142 (if (string-equal ctype "application/octet-stream")
145 (setq ccinfo (mime-article/cnum-to-cinfo cnum cinfo))
147 (member (mime::content-info/encoding ccinfo)
148 '(nil "7bit" "8bit"))
154 ;;; @@ content subject
157 (defun mime-viewer/default-content-subject-function
158 (cnum cinfo ctype params subj)
161 mime-viewer/content-subject-omitting-Content-Type-list))
163 (format "[%s %s (%s)]\n"
164 (or (assoc-value "x-part-number" params)
168 (format "%s" (+ num 1))
175 (defvar mime-viewer/content-subject-function
176 (function mime-viewer/default-content-subject-function))
179 ;;; @ content header filter
182 (defun mime-viewer/default-content-header-filter ()
183 (goto-char (point-min))
184 (while (and (re-search-forward
185 (concat "^" mime-viewer/ignored-field-regexp ":")
192 (re-search-forward "^\\([^ \t]\\|$\\)" nil t)
196 (mime/decode-message-header)
199 (defvar mime-viewer/content-header-filter-alist nil)
202 ;;; @@ content filter
205 (defvar mime-viewer/content-filter-alist
206 '(("text/plain" . mime-viewer/filter-text/plain)
207 (nil . mime-viewer/filter-text/plain)))
209 (defun mime-viewer/default-content-filter (cnum cinfo ctype params subj)
213 ;;; @@ content separator
216 (defun mime-viewer/default-content-separator (cnum cinfo ctype params subj)
217 (if (and (not (mime-viewer/header-visible-p cnum cinfo ctype))
218 (not (mime-viewer/body-visible-p cnum cinfo ctype))
221 (goto-char (point-max))
226 ;;; @@ buffer local variables
229 (defvar mime::article/content-info nil)
230 (defvar mime::article/preview-buffer nil)
232 (defvar mime::preview/article-buffer nil)
233 (defvar mime::preview/content-list nil)
234 (defvar mime::preview/original-major-mode nil)
240 (defun mime::viewer/quitting-method-for-gnus4 ()
241 (mime-viewer/kill-buffer)
242 (delete-other-windows)
243 (gnus-article-show-summary)
244 (if (null gnus-have-all-headers)
245 (gnus-summary-select-article nil t)
248 (defun mime::viewer/quitting-method-for-rmail ()
249 (mime-viewer/kill-buffer)
251 (delete-other-windows)
254 (defvar mime-viewer/quitting-method-alist
255 '((gnus-article-mode . mime::viewer/quitting-method-for-gnus4)
256 (rmail-mode . mime::viewer/quitting-method-for-rmail)
257 (mime/show-message-mode
259 (set-window-configuration
260 mime/show-mode-old-window-configuration)
261 (let ((mother mime/mother-buffer))
263 (mime::preview-content-info/buffer
264 (car mime::preview/content-list)))
265 (mime-viewer/kill-buffer)
266 (pop-to-buffer mother)
267 (goto-char (point-min))
268 (mime-viewer/up-content)
273 ;;; @ data structures
278 (define-structure mime::content-info
279 point-min point-max type parameters encoding children)
281 ;;; @@ preview-content-info
283 (define-structure mime::preview-content-info
284 point-min point-max buffer content-info)
290 (defun mime-viewer/parse-message (&optional ctl encoding)
291 (make-variable-buffer-local 'mime::article/content-info)
292 (setq mime::article/content-info (mime-viewer/parse ctl encoding))
293 (let ((ret (mime-viewer/make-preview-buffer)))
294 (make-variable-buffer-local 'mime::article/preview-buffer)
295 (setq mime::article/preview-buffer (car ret))
298 (defun mime-viewer/parse (&optional ctl encoding)
301 (setq ctl (or (mime/Content-Type)
303 (setq encoding (or (mime/Content-Transfer-Encoding)
305 (let ((ctype (car ctl))
308 (let ((boundary (assoc "boundary" params)))
309 (goto-char (point-min))
310 (search-forward "\n\n" nil t)
315 (message/strip-quoted-string (cdr boundary)))
318 (if (re-search-forward
319 (concat "^--" (regexp-quote boundary) "--$") nil t)
323 (mime-viewer/parse-multipart
326 boundary ctype params encoding)
328 ((string= ctype "message/rfc822")
329 (mime::content-info/create
330 (point-min) (point-max)
331 ctype params encoding
334 (narrow-to-region (progn
335 (goto-char (point-min))
336 (if (re-search-forward "^$" nil t)
341 (list (mime-viewer/parse))
346 (mime::content-info/create (point-min) (point-max)
347 ctype params encoding nil)
351 (defun mime-viewer/parse-multipart (beg end boundary ctype params encoding)
352 (let ((sep (concat "^--" (regexp-quote boundary) "$"))
353 cb ce ct ret ncb children)
356 (narrow-to-region beg end)
357 (goto-char (point-min))
358 (search-forward (concat "--" boundary "\n") nil t)
359 (setq cb (match-end 0))
360 (while (re-search-forward sep nil t)
361 (setq ce (match-beginning 0))
362 (setq ncb (match-end 0))
365 (narrow-to-region cb ce)
366 (setq ret (apply (function mime-viewer/parse)
367 (cond ((string= ctype "multipart/digest")
368 '(("message/rfc822") "7bit")
370 (t '(("text/plain") "7bit"))
374 (setq children (nconc children (list ret)))
375 (goto-char (mime::content-info/point-max ret))
376 (search-forward (concat "--" boundary "\n") nil t)
377 (goto-char (setq cb (match-end 0)))
379 (setq ce (point-max))
382 (narrow-to-region cb ce)
383 (setq ret (apply (function mime-viewer/parse)
384 (cond ((string= ctype "multipart/mixed")
385 '(("text/plain") "7bit")
387 ((string= ctype "multipart/digest")
388 '(("message/rfc822") "7bit")
392 (setq children (nconc children (list ret)))
394 (setq beg (point-min))
396 (mime::content-info/create beg end ctype params encoding children)
399 (defun mime::parse-parameter (str)
400 (let ((ret (message::parse "\;" str)))
403 (message::parse mime/token-regexp
404 (message::parsed/rest ret)))
405 (let ((parameter (downcase (message::parsed/matched ret))))
406 (if (setq ret (message::parse "=" (message::parsed/rest ret)))
409 mime/content-parameter-value-regexp
410 (message::parsed/rest ret)))
411 (message::make-parsed
413 (message/strip-quoted-string
414 (message::parsed/matched ret))
416 (message::parsed/rest ret)
420 (defun mime::parse-field-body/Content-Type (str)
421 (let ((ret (message::parse mime/content-type-subtype-regexp str)))
423 (let ((ctype (downcase (message::parsed/matched ret)))
426 (setq str (message::parsed/rest ret))
427 (setq ret (mime::parse-parameter str))
429 (setq dest (cons (message::parsed/matched ret) dest))
431 (if (string-match "^[ \t]*$" str)
432 (cons ctype (reverse dest))
435 (defun mime/Content-Type (&optional port)
436 "Read field-body of Content-Type field from PORT and parse it.
437 PORT must be buffer or string. If PORT is omitted,
438 it is regarded as current-buffer. [tm-view]"
440 (setq port (current-buffer))
442 (let ((str (if (get-buffer port)
443 (save-window-excursion
444 (switch-to-buffer port)
445 (message/get-field-body "Content-Type")
450 (mime::parse-field-body/Content-Type
451 (message/unfolding-string str))
454 (defun mime/Content-Transfer-Encoding (&optional default-encoding)
455 (let ((str (message/get-field-body "Content-Transfer-Encoding")))
461 (defun mime-viewer/get-subject (param)
462 (if (member (cdr (assq 'encoding param))
463 mime-viewer/uuencode-encoding-name-list)
465 (or (if (re-search-forward "^begin [0-9]+ " nil t)
466 (if (looking-at ".+$")
467 (buffer-substring (match-beginning 0)(match-end 0))
471 (or (and (setq ret (assoc "name" param))
472 (message/strip-quoted-string (cdr ret))
474 (and (setq ret (assoc "x-name" param))
475 (message/strip-quoted-string (cdr ret))
480 (narrow-to-region (point-min)
481 (or (and (search-forward "\n\n" nil t)
486 (message/get-field-body "Content-Description")
487 (message/get-field-body "Subject")
492 (defun mime-viewer/get-name (param)
493 (let ((str (mime-viewer/get-subject param)))
494 (if (string-match " " str)
495 (if (or (string-match mime-viewer/file-name-regexp-1 str)
496 (string-match mime-viewer/file-name-regexp-2 str))
497 (substring str (match-beginning 0)(match-end 0))
499 (replace-as-filename str)
502 (defun mime-viewer/make-preview-buffer (&optional buf cinfo obuf)
503 (let ((the-buf (current-buffer))
511 (switch-to-buffer buf)
514 (setq cinfo mime::article/content-info)
517 (setq obuf (concat "*Preview-" (buffer-name buf) "*"))
519 (setq pcl (mime::make-flat-content-list cinfo))
520 (save-window-excursion
521 (let ((bf (get-buffer obuf)))
522 (switch-to-buffer obuf)
523 (setq buffer-read-only nil)
527 (make-variable-buffer-local 'mime::preview/article-buffer)
528 (setq mime::preview/article-buffer the-buf)
529 (make-variable-buffer-local 'mime::preview/original-major-mode)
530 (setq mime::preview/original-major-mode mode)
531 (setq major-mode 'mime/viewer-mode)
532 (setq mode-name "MIME-View")
538 (let ((beg (mime::content-info/point-min cell))
539 (end (mime::content-info/point-max cell))
540 (ctype (mime::content-info/type cell))
541 (params (mime::content-info/parameters cell))
542 he cnum e nb ne subj str)
543 (setq cnum (mime::get-point-content-number beg cinfo))
544 (setq he (save-excursion
546 (re-search-forward "^$" nil t)
549 (save-window-excursion
550 (switch-to-buffer obuf)
552 (narrow-to-region nb nb)
554 (if (mime-viewer/header-visible-p cnum cinfo ctype)
556 (setq str (buffer-substring beg he))
557 (save-window-excursion
558 (switch-to-buffer obuf)
562 mime-viewer/content-header-filter-alist))
564 (if (and f (setq f (cdr f)))
566 (mime-viewer/default-content-header-filter)
569 (if (mime-viewer/body-visible-p cnum cinfo ctype)
571 (setq str (buffer-substring he end))
572 (save-window-excursion
573 (switch-to-buffer obuf)
575 (setq be (point-max))
576 (narrow-to-region be be)
578 (setq ne (point-max))
579 (let ((f (or (assoc-value
581 mime-viewer/content-filter-alist)
583 (if (and f (fboundp f))
584 (funcall f ctype params encoding)
585 (mime-viewer/default-content-filter
586 cnum cinfo ctype params subj)
588 (setq ne (point-max))
590 (save-window-excursion
591 (switch-to-buffer obuf)
592 (mime-viewer/default-content-separator
593 cnum cinfo ctype params subj)
595 (save-window-excursion
596 (switch-to-buffer obuf)
599 (setq subj (mime-viewer/get-subject params))
601 (funcall mime-viewer/content-subject-function
602 cnum cinfo ctype params subj)
603 (setq ne (point-max))
605 (mime::preview-content-info/create nb (- ne 1)
611 (switch-to-buffer obuf)
612 (set-buffer-modified-p nil)
613 (setq buffer-read-only t)
614 (switch-to-buffer the-buf)
619 ;;; @ content information
622 (defun mime::get-point-content-number (p &optional cinfo)
624 (setq cinfo mime::article/content-info)
626 (let ((b (mime::content-info/point-min cinfo))
627 (e (mime::content-info/point-max cinfo))
628 (c (mime::content-info/children cinfo))
630 (if (and (<= b p)(<= p e))
631 (or (let (co ret (sn 0))
635 (setq ret (mime::get-point-content-number p co))
636 (cond ((eq ret t) (throw 'tag (list sn)))
637 (ret (throw 'tag (cons sn ret)))
644 (defun mime-article/cnum-to-cinfo (cn &optional cinfo)
646 (setq cinfo mime::article/content-info)
653 (let ((rc (nth sn (mime::content-info/children cinfo))))
655 (mime-article/cnum-to-cinfo (cdr cn) rc)
659 (defun mime::make-flat-content-list (&optional cinfo)
661 (setq cinfo mime::article/content-info)
663 (let ((dest (list cinfo))
664 (rcl (mime::content-info/children cinfo))
667 (setq dest (nconc dest (mime::make-flat-content-list (car rcl))))
672 (defun mime::point-preview-content (p &optional pcl)
674 (setq pcl mime::preview/content-list)
680 (if (and (<= (mime::preview-content-info/point-min cell) p)
681 (<= p (mime::preview-content-info/point-max cell))
694 (defun mime/Quoted-Printable-decode-region (beg end)
698 (narrow-to-region beg end)
699 (goto-char (point-min))
700 (while (re-search-forward "=\n" nil t)
703 (goto-char (point-min))
705 (while (re-search-forward mime/Quoted-Printable-octet-regexp nil t)
706 (setq b (match-beginning 0))
707 (setq e (match-end 0))
708 (setq str (buffer-substring b e))
710 (insert (mime/Quoted-Printable-decode-string str))
714 (defun mime/Base64-decode-region (beg end)
718 (narrow-to-region beg end)
719 (goto-char (point-min))
720 (while (search-forward "\n" nil t)
723 (let ((str (buffer-substring (point-min)(point-max))))
724 (delete-region (point-min)(point-max))
725 (insert (mime/base64-decode-string str))
728 (defun mime/make-method-args (cal format)
733 (let ((ret (cdr (assoc (eval arg) cal))))
741 (defun mime/start-external-method-region (beg end cal)
744 (narrow-to-region beg end)
746 (let ((method (cdr (assoc 'method cal)))
747 (name (mime-viewer/get-name cal))
750 (let ((file (make-temp-name
751 (expand-file-name "TM" mime/tmp-dir)))
756 (if (re-search-forward "^$" nil t)
762 (write-region b end file)
764 'name (replace-as-filename name) cal))
765 (setq cal (put-alist 'file file cal))
768 mime/output-buffer-name (car method)
770 (mime/make-method-args cal (cdr (cdr method)))
772 (apply (function start-process) args)
773 (mime/show-output-buffer)
777 (defun mime/decode-message/partial-region (beg end cal)
779 (let* ((root-dir (expand-file-name
780 (concat "m-prts-" (user-login-name)) mime/tmp-dir))
781 (id (cdr (assoc "id" cal)))
782 (number (cdr (assoc "number" cal)))
783 (total (cdr (assoc "total" cal)))
784 (the-buf (current-buffer))
786 (mother mime::article/preview-buffer))
787 (if (not (file-exists-p root-dir))
788 (make-directory root-dir)
790 (setq id (replace-as-filename id))
791 (setq root-dir (concat root-dir "/" id))
792 (if (not (file-exists-p root-dir))
793 (make-directory root-dir)
795 (setq file (concat root-dir "/FULL"))
796 (if (not (file-exists-p file))
798 (re-search-forward "^$")
799 (goto-char (+ (match-end 0) 1))
800 (setq file (concat root-dir "/" number))
801 (write-region (point) (point-max) file)
802 (if (get-buffer "*MIME-temp*")
803 (kill-buffer "*MIME-temp*")
805 (switch-to-buffer "*MIME-temp*")
807 (max (string-to-int total))
811 (setq file (concat root-dir "/" (int-to-string i)))
812 (if (not (file-exists-p file))
814 (switch-to-buffer the-buf)
817 (insert-file-contents file)
818 (goto-char (point-max))
821 (delete-other-windows)
822 (write-file (concat root-dir "/FULL"))
823 (setq major-mode 'mime/show-message-mode)
824 (mime/viewer-mode mother)
825 (pop-to-buffer (current-buffer))
829 (delete-other-windows)
831 (setq major-mode 'mime/show-message-mode)
832 (mime/viewer-mode mother)
833 (pop-to-buffer (current-buffer))
837 (defun mime/get-content-decoding-alist (al)
838 (get-unified-alist mime/content-decoding-condition al)
841 (defun mime::article/decode-content-region (cinfo)
842 (let ((beg (mime::content-info/point-min cinfo))
843 (end (mime::content-info/point-max cinfo))
844 (ctype (mime::content-info/type cinfo))
845 (params (mime::content-info/parameters cinfo))
846 (encoding (mime::content-info/encoding cinfo))
849 (let (method cal ret)
850 (setq cal (append (list (cons 'type ctype)
851 (cons 'encoding encoding)
852 (cons 'major-mode major-mode)
855 (if mime-viewer/decoding-mode
857 (cons 'mode mime-viewer/decoding-mode)
860 (setq ret (mime/get-content-decoding-alist cal))
861 (setq method (cdr (assoc 'method ret)))
862 (cond ((and (symbolp method)
864 (funcall method beg end ret)
866 ((and (listp method)(stringp (car method)))
867 (mime/start-external-method-region beg end ret)
869 (t (mime/show-output-buffer
870 "No method are specified for %s\n" ctype)
875 (defun mime/show-output-buffer (&rest forms)
876 (let ((the-buf (current-buffer)))
877 (if (null (get-buffer-window mime/output-buffer-name))
878 (split-window-vertically (/ (* (window-height) 3) 4))
880 (pop-to-buffer mime/output-buffer-name)
881 (goto-char (point-max))
883 (insert (apply (function format) forms))
885 (pop-to-buffer the-buf)
892 (defvar mime-viewer/code-converter-alist nil)
894 (defun mime-viewer/default-code-convert-region
895 (beg end charset &optional encoding)
896 (if (member charset '("quoted-printable" "base64"))
897 (mime/code-convert-region-to-emacs beg (point-max) charset)
900 (defun mime-viewer/filter-text/plain (ctype params encoding)
901 (let ((charset (cdr (assoc "charset" params)))
902 (beg (point-min)) (end (point-max))
904 (goto-char (point-min))
905 (cond ((string= encoding "quoted-printable")
906 (mime/Quoted-Printable-decode-region beg end)
908 ((string= encoding "base64")
909 (mime/Base64-decode-region beg end)
911 (let* ((mode mime::preview/original-major-mode)
912 (m (assq mode mime-viewer/code-converter-alist))
914 (if (and m (fboundp (setq m (cdr m))))
915 (funcall m beg (point-max) charset encoding)
916 (mime-viewer/default-code-convert-region beg (point-max)
919 (run-hooks 'mime-viewer/plain-text-preview-hook)
923 ;;; @ MIME viewer mode
926 (defvar mime/viewer-mode-map nil)
927 (if (null mime/viewer-mode-map)
929 (setq mime/viewer-mode-map (make-keymap))
930 (suppress-keymap mime/viewer-mode-map)
931 (define-key mime/viewer-mode-map
932 "u" (function mime-viewer/up-content))
933 (define-key mime/viewer-mode-map
934 "p" (function mime-viewer/previous-content))
935 (define-key mime/viewer-mode-map
936 "n" (function mime-viewer/next-content))
937 (define-key mime/viewer-mode-map
938 " " (function mime-viewer/scroll-up-content))
939 (define-key mime/viewer-mode-map
940 "\M- " (function mime-viewer/scroll-down-content))
941 (define-key mime/viewer-mode-map
942 "\177" (function mime-viewer/scroll-down-content))
943 (define-key mime/viewer-mode-map
944 "\C-m" (function mime-viewer/next-line-content))
945 (define-key mime/viewer-mode-map
946 "\C-\M-m" (function mime-viewer/previous-line-content))
947 (define-key mime/viewer-mode-map
948 "v" (function mime-viewer/play-content))
949 (define-key mime/viewer-mode-map
950 "e" (function mime-viewer/extract-content))
951 (define-key mime/viewer-mode-map
952 "\C-c\C-p" (function mime-viewer/print-content))
953 (define-key mime/viewer-mode-map
954 "q" (function mime-viewer/quit))
955 (define-key mime/viewer-mode-map
956 "\C-c\C-x" (function mime-viewer/kill-buffer))
959 (defun mime/viewer-mode (&optional mother ctl encoding)
960 "Major mode for viewing MIME message.
962 u Move to upper content
963 p Move to previous content
964 n Move to next content
968 RET Move to next line
969 M-RET Move to previous line
970 v Decode the content as `play mode'
971 e Decode the content as `extract mode'
972 C-c C-p Decode the content as `print mode'
976 (setq mime-viewer/ignored-field-regexp
978 (mapconcat (function regexp-quote)
979 mime-viewer/ignored-field-list "\\|")
981 (let ((buf (get-buffer mime/output-buffer-name))
982 (the-buf (current-buffer))
986 (switch-to-buffer buf)
988 (switch-to-buffer the-buf)
990 (let ((ret (mime-viewer/parse-message ctl encoding)))
992 (switch-to-buffer (car ret))
995 (make-variable-buffer-local
996 'mime/show-mode-old-window-configuration)
997 (setq mime/show-mode-old-window-configuration
998 (current-window-configuration))
999 (make-variable-buffer-local 'mime/mother-buffer)
1000 (setq mime/mother-buffer mother)
1002 (use-local-map mime/viewer-mode-map)
1003 (make-variable-buffer-local 'mime::preview/content-list)
1004 (setq mime::preview/content-list (nth 1 ret))
1006 (let ((ce (mime::preview-content-info/point-max
1007 (car mime::preview/content-list)
1010 (goto-char (point-min))
1011 (search-forward "\n\n" nil t)
1012 (setq e (match-end 0))
1016 (run-hooks 'mime/viewer-mode-hook)
1019 (defun mime-preview/point-content-number (point)
1020 (save-window-excursion
1021 (let ((pc (mime::point-preview-content (point)))
1023 (switch-to-buffer (mime::preview-content-info/buffer pc))
1024 (setq cinfo (mime::preview-content-info/content-info pc))
1025 (mime::get-point-content-number (mime::content-info/point-min cinfo))
1028 (defun mime-preview/cinfo-to-pcinfo (cinfo)
1029 (let ((rpcl mime::preview/content-list) cell)
1032 (setq cell (car rpcl))
1033 (if (eq cinfo (mime::preview-content-info/content-info cell))
1036 (setq rpcl (cdr rpcl))
1039 (defvar mime-preview/after-decoded-position nil)
1041 (defun mime-preview/decode-content ()
1043 (let ((pc (mime::point-preview-content (point))))
1045 (let ((the-buf (current-buffer)))
1046 (setq mime-preview/after-decoded-position (point))
1047 (switch-to-buffer (mime::preview-content-info/buffer pc))
1048 (mime::article/decode-content-region
1049 (mime::preview-content-info/content-info pc))
1050 (if (eq (current-buffer)
1051 (mime::preview-content-info/buffer pc))
1053 (switch-to-buffer the-buf)
1054 (goto-char mime-preview/after-decoded-position)
1058 (defun mime-viewer/play-content ()
1060 (let ((mime-viewer/decoding-mode "play"))
1061 (mime-preview/decode-content)
1064 (defun mime-viewer/extract-content ()
1066 (let ((mime-viewer/decoding-mode "extract"))
1067 (mime-preview/decode-content)
1070 (defun mime-viewer/print-content ()
1072 (let ((mime-viewer/decoding-mode "print"))
1073 (mime-preview/decode-content)
1076 (defun mime-viewer/up-content ()
1078 (let ((pc (mime::point-preview-content (point))) cinfo
1079 (the-buf (current-buffer))
1081 (switch-to-buffer (mime::preview-content-info/buffer pc))
1082 (setq cinfo (mime::preview-content-info/content-info pc))
1083 (setq cn (mime::get-point-content-number
1084 (mime::content-info/point-min cinfo)))
1086 (mime-viewer/quit the-buf
1087 (mime::preview-content-info/buffer pc)
1089 (setq r (mime-article/cnum-to-cinfo (butlast cn)))
1090 (switch-to-buffer the-buf)
1092 (let ((rpcl mime::preview/content-list) cell)
1094 (setq cell (car rpcl))
1095 (if (eq r (mime::preview-content-info/content-info cell))
1097 (goto-char (mime::preview-content-info/point-min cell))
1100 (setq rpcl (cdr rpcl))
1104 (defun mime-viewer/previous-content ()
1106 (let* ((pcl mime::preview/content-list)
1108 (i (- (length pcl) 1))
1112 (setq beg (mime::preview-content-info/point-min (nth i pcl)))
1114 (throw 'tag (goto-char beg))
1120 (defun mime-viewer/next-content ()
1122 (let ((pcl mime::preview/content-list)
1127 (setq beg (mime::preview-content-info/point-min (car pcl)))
1129 (throw 'tag (goto-char beg))
1131 (setq pcl (cdr pcl))
1135 (defun mime-viewer/scroll-up-content (&optional h)
1138 (setq h (- (window-height) 1))
1140 (let ((pcl mime::preview/content-list)
1146 (setq beg (mime::preview-content-info/point-min (car pcl)))
1150 (setq pcl (cdr pcl))
1158 (defun mime-viewer/scroll-down-content (&optional h)
1161 (setq h (- (window-height) 1))
1163 (let ((pcl mime::preview/content-list)
1167 (or (let ((i (- (length pcl) 1)))
1170 (setq beg (mime::preview-content-info/point-min
1178 (forward-line (- h))
1183 (defun mime-viewer/next-line-content ()
1185 (mime-viewer/scroll-up-content 1)
1188 (defun mime-viewer/previous-line-content ()
1190 (mime-viewer/scroll-down-content 1)
1193 (defun mime-viewer/quit (&optional the-buf buf)
1196 (setq the-buf (current-buffer))
1199 (setq buf (mime::preview-content-info/buffer
1200 (mime::point-preview-content (point))))
1203 (switch-to-buffer buf)
1204 (assoc major-mode mime-viewer/quitting-method-alist)
1208 (switch-to-buffer the-buf)
1213 (defun mime-viewer/kill-buffer ()
1215 (kill-buffer (current-buffer))
1218 (run-hooks 'tm-view-load-hook)