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 6.70 1995/07/30 23:18:01 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 "+\\)*"))
119 ;;; @@ predicate functions
122 (defun mime-viewer/header-visible-p (cnum cinfo &optional ctype)
126 (mime::content-info/type
127 (mime-article/cnum-to-cinfo (butlast cnum) cinfo)
129 (member ctype mime-viewer/childrens-header-showing-Content-Type-list)
132 (defun mime-viewer/body-visible-p (cnum cinfo &optional ctype)
136 (mime::content-info/type
137 (setq ccinfo (mime-article/cnum-to-cinfo cnum cinfo))
140 (and (member ctype mime-viewer/default-showing-Content-Type-list)
141 (if (string-equal ctype "application/octet-stream")
144 (setq ccinfo (mime-article/cnum-to-cinfo cnum cinfo))
146 (member (mime::content-info/encoding ccinfo)
147 '(nil "7bit" "8bit"))
153 ;;; @@ content subject
156 (defun mime-viewer/default-content-subject-function
157 (cnum cinfo ctype params subj)
158 (if (and (listp cnum)
161 mime-viewer/content-subject-omitting-Content-Type-list))
164 (let ((access-type (assoc "access-type" params))
165 (num (or (assoc-value "x-part-number" params)
169 (format "%s" (+ num 1))
175 (let ((server (assoc "server" params)))
176 (setq access-type (cdr access-type))
178 (format "[%s %s ([%s] %s)]\n" num subj
179 access-type (cdr server))
180 (let ((site (assoc-value "site" params))
181 (dir (assoc-value "directory" params))
183 (format "[%s %s ([%s] %s:%s)]\n" num subj
184 access-type site dir)
186 (format "[%s %s (%s)]\n" num subj ctype)
189 (defvar mime-viewer/content-subject-function
190 (function mime-viewer/default-content-subject-function))
193 ;;; @ content header filter
196 (defun mime-viewer/default-content-header-filter ()
197 (goto-char (point-min))
198 (while (and (re-search-forward
199 (concat "^" mime-viewer/ignored-field-regexp ":")
206 (re-search-forward "^\\([^ \t]\\|$\\)" nil t)
210 (mime/decode-message-header)
213 (defvar mime-viewer/content-header-filter-alist nil)
216 ;;; @@ content filter
219 (defvar mime-viewer/content-filter-alist
220 '(("text/plain" . mime-viewer/filter-text/plain)
221 (nil . mime-viewer/filter-text/plain)))
223 (defun mime-viewer/default-content-filter (cnum cinfo ctype params subj)
227 ;;; @@ content separator
230 (defun mime-viewer/default-content-separator (cnum cinfo ctype params subj)
231 (if (and (not (mime-viewer/header-visible-p cnum cinfo ctype))
232 (not (mime-viewer/body-visible-p cnum cinfo ctype))
235 (goto-char (point-max))
240 ;;; @@ buffer local variables
243 (defvar mime::article/content-info nil)
244 (defvar mime::article/preview-buffer nil)
246 (defvar mime::preview/article-buffer nil)
247 (defvar mime::preview/content-list nil)
248 (defvar mime::preview/original-major-mode nil)
254 (defun mime::viewer/quitting-method-for-gnus4 ()
255 (mime-viewer/kill-buffer)
256 (delete-other-windows)
257 (gnus-article-show-summary)
258 (if (null gnus-have-all-headers)
259 (gnus-summary-select-article nil t)
262 (defvar mime-viewer/quitting-method-alist
263 '((gnus-article-mode . mime::viewer/quitting-method-for-gnus4)
264 (mime/show-message-mode
266 (set-window-configuration
267 mime/show-mode-old-window-configuration)
268 (let ((mother mime/mother-buffer))
270 (mime::preview-content-info/buffer
271 (car mime::preview/content-list)))
272 (mime-viewer/kill-buffer)
273 (pop-to-buffer mother)
274 (goto-char (point-min))
275 (mime-viewer/up-content)
280 ;;; @ data structures
285 (define-structure mime::content-info
286 point-min point-max type parameters encoding children)
288 ;;; @@ preview-content-info
290 (define-structure mime::preview-content-info
291 point-min point-max buffer content-info)
297 (defun mime-viewer/parse-message (&optional ctl encoding)
298 (make-variable-buffer-local 'mime::article/content-info)
299 (setq mime::article/content-info (mime-viewer/parse ctl encoding))
300 (let ((ret (mime-viewer/make-preview-buffer)))
301 (make-variable-buffer-local 'mime::article/preview-buffer)
302 (setq mime::article/preview-buffer (car ret))
305 (defun mime-viewer/parse (&optional ctl encoding)
308 (setq ctl (or (mime/Content-Type)
310 (setq encoding (or (mime/Content-Transfer-Encoding)
312 (let ((ctype (car ctl))
315 (let ((boundary (assoc "boundary" params)))
316 (goto-char (point-min))
317 (search-forward "\n\n" nil t)
322 (message/strip-quoted-string (cdr boundary)))
325 (if (re-search-forward
326 (concat "^--" (regexp-quote boundary) "--$") nil t)
330 (mime-viewer/parse-multipart
333 boundary ctype params encoding)
335 ((string= ctype "message/rfc822")
336 (mime::content-info/create
337 (point-min) (point-max)
338 ctype params encoding
341 (narrow-to-region (progn
342 (goto-char (point-min))
343 (if (re-search-forward "^$" nil t)
348 (list (mime-viewer/parse))
353 (mime::content-info/create (point-min) (point-max)
354 ctype params encoding nil)
358 (defun mime-viewer/parse-multipart (beg end boundary ctype params encoding)
359 (let ((sep (concat "^--" (regexp-quote boundary) "$"))
360 cb ce ct ret ncb children)
363 (narrow-to-region beg end)
364 (goto-char (point-min))
365 (search-forward (concat "--" boundary "\n") nil t)
366 (setq cb (match-end 0))
367 (while (re-search-forward sep nil t)
368 (setq ce (match-beginning 0))
369 (setq ncb (match-end 0))
372 (narrow-to-region cb ce)
373 (setq ret (apply (function mime-viewer/parse)
374 (cond ((string= ctype "multipart/digest")
375 '(("message/rfc822") "7bit")
377 (t '(("text/plain") "7bit"))
381 (setq children (nconc children (list ret)))
382 (goto-char (mime::content-info/point-max ret))
383 (search-forward (concat "--" boundary "\n") nil t)
384 (goto-char (setq cb (match-end 0)))
386 (setq ce (point-max))
389 (narrow-to-region cb ce)
390 (setq ret (apply (function mime-viewer/parse)
391 (cond ((string= ctype "multipart/mixed")
392 '(("text/plain") "7bit")
394 ((string= ctype "multipart/digest")
395 '(("message/rfc822") "7bit")
399 (setq children (nconc children (list ret)))
401 (setq beg (point-min))
403 (mime::content-info/create beg end ctype params encoding children)
406 (defun mime::parse-parameter (str)
407 (let ((ret (message::parse "\;" str)))
410 (message::parse mime/token-regexp
411 (message::parsed/rest ret)))
412 (let ((parameter (downcase (message::parsed/matched ret))))
413 (if (setq ret (message::parse "=" (message::parsed/rest ret)))
416 mime/content-parameter-value-regexp
417 (message::parsed/rest ret)))
418 (message::make-parsed
420 (message/strip-quoted-string
421 (message::parsed/matched ret))
423 (message::parsed/rest ret)
427 (defun mime::parse-field-body/Content-Type (str)
428 (let ((ret (message::parse mime/content-type-subtype-regexp str)))
430 (let ((ctype (downcase (message::parsed/matched ret)))
433 (setq str (message::parsed/rest ret))
434 (setq ret (mime::parse-parameter str))
436 (setq dest (cons (message::parsed/matched ret) dest))
438 (if (string-match "^[ \t]*$" str)
439 (cons ctype (reverse dest))
442 (defun mime/Content-Type (&optional port)
443 "Read field-body of Content-Type field from PORT and parse it.
444 PORT must be buffer or string. If PORT is omitted,
445 it is regarded as current-buffer. [tm-view]"
447 (setq port (current-buffer))
449 (let ((str (if (get-buffer port)
450 (save-window-excursion
451 (switch-to-buffer port)
452 (message/get-field-body "Content-Type")
457 (mime::parse-field-body/Content-Type
458 (message/unfolding-string str))
461 (defun mime/Content-Transfer-Encoding (&optional default-encoding)
462 (let ((str (message/get-field-body "Content-Transfer-Encoding")))
468 (defun mime-viewer/get-subject (param)
469 (if (member (cdr (assq 'encoding param))
470 mime-viewer/uuencode-encoding-name-list)
472 (or (if (re-search-forward "^begin [0-9]+ " nil t)
473 (if (looking-at ".+$")
474 (buffer-substring (match-beginning 0)(match-end 0))
478 (or (and (setq ret (assoc "name" param))
479 (message/strip-quoted-string (cdr ret))
481 (and (setq ret (assoc "x-name" param))
482 (message/strip-quoted-string (cdr ret))
487 (narrow-to-region (point-min)
488 (or (and (search-forward "\n\n" nil t)
493 (message/get-field-body "Content-Description")
494 (message/get-field-body "Subject")
499 (defun mime-viewer/get-name (param)
500 (let ((str (mime-viewer/get-subject param)))
501 (if (string-match " " str)
502 (if (or (string-match mime-viewer/file-name-regexp-1 str)
503 (string-match mime-viewer/file-name-regexp-2 str))
504 (substring str (match-beginning 0)(match-end 0))
506 (replace-as-filename str)
509 (defun mime-viewer/make-preview-buffer (&optional buf cinfo obuf)
510 (let ((the-buf (current-buffer))
518 (switch-to-buffer buf)
521 (setq cinfo mime::article/content-info)
524 (setq obuf (concat "*Preview-" (buffer-name buf) "*"))
526 (setq pcl (mime::make-flat-content-list cinfo))
527 (let ((bf (get-buffer obuf)))
528 (switch-to-buffer obuf)
529 (setq buffer-read-only nil)
533 (make-variable-buffer-local 'mime::preview/article-buffer)
534 (setq mime::preview/article-buffer the-buf)
535 (make-variable-buffer-local 'mime::preview/original-major-mode)
536 (setq mime::preview/original-major-mode mode)
537 (setq major-mode 'mime/viewer-mode)
538 (setq mode-name "MIME-View")
539 (make-variable-buffer-local 'outline-regexp)
540 ;;(setq outline-regexp "\\[.*\\]\\|\C-L")
541 ;;(outline-minor-mode t)
546 (let ((beg (mime::content-info/point-min cell))
547 (end (mime::content-info/point-max cell))
548 (ctype (mime::content-info/type cell))
549 (params (mime::content-info/parameters cell))
550 (encoding (mime::content-info/encoding cell))
551 he cnum e nb ne subj str)
552 (setq cnum (mime::get-point-content-number beg cinfo))
553 (switch-to-buffer the-buf)
554 (setq he (save-excursion
556 (re-search-forward "^$" nil t)
559 (if (> he (point-max))
560 (setq he (point-max))
562 (switch-to-buffer obuf)
564 (narrow-to-region nb nb)
565 (switch-to-buffer the-buf)
566 (if (mime-viewer/header-visible-p cnum cinfo ctype)
568 (setq str (buffer-substring beg he))
569 (switch-to-buffer obuf)
573 mime-viewer/content-header-filter-alist))
575 (if (and f (setq f (cdr f)))
577 (mime-viewer/default-content-header-filter)
579 (switch-to-buffer the-buf)
581 (if (mime-viewer/body-visible-p cnum cinfo ctype)
583 (setq str (buffer-substring he end))
584 (switch-to-buffer obuf)
586 (setq be (point-max))
587 (narrow-to-region be be)
589 (setq ne (point-max))
590 (let ((f (or (assoc-value
592 mime-viewer/content-filter-alist)
594 (if (and f (fboundp f))
595 (funcall f ctype params encoding)
596 (mime-viewer/default-content-filter
597 cnum cinfo ctype params subj)
599 (setq ne (point-max))
601 (switch-to-buffer the-buf)
603 (switch-to-buffer obuf)
604 (mime-viewer/default-content-separator
605 cnum cinfo ctype params subj)
608 (setq subj (mime-viewer/get-subject params))
610 (funcall mime-viewer/content-subject-function
611 cnum cinfo ctype params subj)
612 (setq ne (point-max))
614 (mime::preview-content-info/create nb (- ne 1)
620 (set-buffer-modified-p nil)
621 (setq buffer-read-only t)
622 (switch-to-buffer the-buf)
627 ;;; @ content information
630 (defun mime::get-point-content-number (p &optional cinfo)
632 (setq cinfo mime::article/content-info)
634 (let ((b (mime::content-info/point-min cinfo))
635 (e (mime::content-info/point-max cinfo))
636 (c (mime::content-info/children cinfo))
638 (if (and (<= b p)(<= p e))
639 (or (let (co ret (sn 0))
643 (setq ret (mime::get-point-content-number p co))
644 (cond ((eq ret t) (throw 'tag (list sn)))
645 (ret (throw 'tag (cons sn ret)))
652 (defun mime-article/cnum-to-cinfo (cn &optional cinfo)
654 (setq cinfo mime::article/content-info)
661 (let ((rc (nth sn (mime::content-info/children cinfo))))
663 (mime-article/cnum-to-cinfo (cdr cn) rc)
667 (defun mime::make-flat-content-list (&optional cinfo)
669 (setq cinfo mime::article/content-info)
671 (let ((dest (list cinfo))
672 (rcl (mime::content-info/children cinfo))
675 (setq dest (nconc dest (mime::make-flat-content-list (car rcl))))
680 (defun mime::point-preview-content (p &optional pcl)
682 (setq pcl mime::preview/content-list)
688 (if (and (<= (mime::preview-content-info/point-min cell) p)
689 (<= p (mime::preview-content-info/point-max cell))
702 (defun mime/make-method-args (cal format)
707 (let ((ret (cdr (assoc (eval arg) cal))))
715 (defun mime/start-external-method-region (beg end cal)
718 (narrow-to-region beg end)
720 (let ((method (cdr (assoc 'method cal)))
721 (name (mime-viewer/get-name cal))
724 (let ((file (make-temp-name
725 (expand-file-name "TM" mime/tmp-dir)))
730 (if (re-search-forward "^$" nil t)
736 (write-region b end file)
738 'name (replace-as-filename name) cal))
739 (setq cal (put-alist 'file file cal))
742 mime/output-buffer-name (car method)
744 (mime/make-method-args cal (cdr (cdr method)))
746 (apply (function start-process) args)
747 (mime/show-output-buffer)
751 (defun mime/decode-message/partial-region (beg end cal)
753 (let* ((root-dir (expand-file-name
754 (concat "m-prts-" (user-login-name)) mime/tmp-dir))
755 (id (cdr (assoc "id" cal)))
756 (number (cdr (assoc "number" cal)))
757 (total (cdr (assoc "total" cal)))
758 (the-buf (current-buffer))
760 (mother mime::article/preview-buffer))
761 (if (not (file-exists-p root-dir))
762 (make-directory root-dir)
764 (setq id (replace-as-filename id))
765 (setq root-dir (concat root-dir "/" id))
766 (if (not (file-exists-p root-dir))
767 (make-directory root-dir)
769 (setq file (concat root-dir "/FULL"))
770 (if (not (file-exists-p file))
772 (re-search-forward "^$")
773 (goto-char (+ (match-end 0) 1))
774 (setq file (concat root-dir "/" number))
775 (write-region (point) (point-max) file)
776 (if (get-buffer "*MIME-temp*")
777 (kill-buffer "*MIME-temp*")
779 (switch-to-buffer "*MIME-temp*")
781 (max (string-to-int total))
785 (setq file (concat root-dir "/" (int-to-string i)))
786 (if (not (file-exists-p file))
788 (switch-to-buffer the-buf)
791 (insert-file-contents file)
792 (goto-char (point-max))
795 (delete-other-windows)
796 (write-file (concat root-dir "/FULL"))
797 (setq major-mode 'mime/show-message-mode)
798 (mime/viewer-mode mother)
799 (pop-to-buffer (current-buffer))
803 (delete-other-windows)
805 (setq major-mode 'mime/show-message-mode)
806 (mime/viewer-mode mother)
807 (pop-to-buffer (current-buffer))
811 (defun mime/get-content-decoding-alist (al)
812 (get-unified-alist mime/content-decoding-condition al)
815 (defun mime::article/decode-content-region (cinfo)
816 (let ((beg (mime::content-info/point-min cinfo))
817 (end (mime::content-info/point-max cinfo))
818 (ctype (mime::content-info/type cinfo))
819 (params (mime::content-info/parameters cinfo))
820 (encoding (mime::content-info/encoding cinfo))
823 (let (method cal ret)
824 (setq cal (append (list (cons 'type ctype)
825 (cons 'encoding encoding)
826 (cons 'major-mode major-mode)
829 (if mime-viewer/decoding-mode
831 (cons 'mode mime-viewer/decoding-mode)
834 (setq ret (mime/get-content-decoding-alist cal))
835 (setq method (cdr (assoc 'method ret)))
836 (cond ((and (symbolp method)
838 (funcall method beg end ret)
840 ((and (listp method)(stringp (car method)))
841 (mime/start-external-method-region beg end ret)
843 (t (mime/show-output-buffer
844 "No method are specified for %s\n" ctype)
849 (defun mime/show-output-buffer (&rest forms)
850 (let ((the-buf (current-buffer)))
851 (if (null (get-buffer-window mime/output-buffer-name))
852 (split-window-vertically (/ (* (window-height) 3) 4))
854 (pop-to-buffer mime/output-buffer-name)
855 (goto-char (point-max))
857 (insert (apply (function format) forms))
859 (pop-to-buffer the-buf)
866 (defvar mime-viewer/code-converter-alist nil)
868 (defun mime-viewer/default-code-convert-region
869 (beg end charset &optional encoding)
870 (if (member encoding '("quoted-printable" "base64"))
871 (mime/code-convert-region-to-emacs beg (point-max) charset)
874 (defun mime-viewer/filter-text/plain (ctype params encoding)
875 (let ((charset (cdr (assoc "charset" params)))
876 (beg (point-min)) (end (point-max))
878 (goto-char (point-min))
879 (cond ((string= encoding "quoted-printable")
880 (quoted-printable-decode-region beg end)
882 ((string= encoding "base64")
883 (base64-decode-region beg end)
885 (let* ((mode mime::preview/original-major-mode)
886 (m (assq mode mime-viewer/code-converter-alist))
888 (if (and m (fboundp (setq m (cdr m))))
889 (funcall m beg (point-max) charset encoding)
890 (mime-viewer/default-code-convert-region beg (point-max)
893 (goto-char (point-max))
894 (if (not (eq (char-after (1- (point))) ?\n))
898 (run-hooks 'mime-viewer/plain-text-preview-hook)
902 ;;; @ MIME viewer mode
905 (defvar mime/viewer-mode-map nil)
906 (if (null mime/viewer-mode-map)
908 (setq mime/viewer-mode-map (make-keymap))
909 (suppress-keymap mime/viewer-mode-map)
910 (define-key mime/viewer-mode-map
911 "u" (function mime-viewer/up-content))
912 (define-key mime/viewer-mode-map
913 "p" (function mime-viewer/previous-content))
914 (define-key mime/viewer-mode-map
915 "n" (function mime-viewer/next-content))
916 (define-key mime/viewer-mode-map
917 " " (function mime-viewer/scroll-up-content))
918 (define-key mime/viewer-mode-map
919 "\M- " (function mime-viewer/scroll-down-content))
920 (define-key mime/viewer-mode-map
921 "\177" (function mime-viewer/scroll-down-content))
922 (define-key mime/viewer-mode-map
923 "\C-m" (function mime-viewer/next-line-content))
924 (define-key mime/viewer-mode-map
925 "\C-\M-m" (function mime-viewer/previous-line-content))
926 (define-key mime/viewer-mode-map
927 "v" (function mime-viewer/play-content))
928 (define-key mime/viewer-mode-map
929 "e" (function mime-viewer/extract-content))
930 (define-key mime/viewer-mode-map
931 "\C-c\C-p" (function mime-viewer/print-content))
932 (define-key mime/viewer-mode-map
933 "q" (function mime-viewer/quit))
934 (define-key mime/viewer-mode-map
935 "\C-c\C-x" (function mime-viewer/kill-buffer))
938 (defun mime/viewer-mode (&optional mother ctl encoding)
939 "Major mode for viewing MIME message.
941 u Move to upper content
942 p Move to previous content
943 n Move to next content
947 RET Move to next line
948 M-RET Move to previous line
949 v Decode the content as `play mode'
950 e Decode the content as `extract mode'
951 C-c C-p Decode the content as `print mode'
955 (setq mime-viewer/ignored-field-regexp
957 (mapconcat (function regexp-quote)
958 mime-viewer/ignored-field-list "\\|")
960 (let ((buf (get-buffer mime/output-buffer-name))
961 (the-buf (current-buffer))
965 (switch-to-buffer buf)
967 (switch-to-buffer the-buf)
969 (let ((ret (mime-viewer/parse-message ctl encoding)))
971 (switch-to-buffer (car ret))
974 (make-variable-buffer-local
975 'mime/show-mode-old-window-configuration)
976 (setq mime/show-mode-old-window-configuration
977 (current-window-configuration))
978 (make-variable-buffer-local 'mime/mother-buffer)
979 (setq mime/mother-buffer mother)
981 (use-local-map mime/viewer-mode-map)
982 (make-variable-buffer-local 'mime::preview/content-list)
983 (setq mime::preview/content-list (nth 1 ret))
985 (let ((ce (mime::preview-content-info/point-max
986 (car mime::preview/content-list)
989 (goto-char (point-min))
990 (search-forward "\n\n" nil t)
991 (setq e (match-end 0))
995 (run-hooks 'mime/viewer-mode-hook)
998 (defun mime-preview/point-content-number (point)
999 (save-window-excursion
1000 (let ((pc (mime::point-preview-content (point)))
1002 (switch-to-buffer (mime::preview-content-info/buffer pc))
1003 (setq cinfo (mime::preview-content-info/content-info pc))
1004 (mime::get-point-content-number (mime::content-info/point-min cinfo))
1007 (defun mime-preview/cinfo-to-pcinfo (cinfo)
1008 (let ((rpcl mime::preview/content-list) cell)
1011 (setq cell (car rpcl))
1012 (if (eq cinfo (mime::preview-content-info/content-info cell))
1015 (setq rpcl (cdr rpcl))
1018 (defvar mime-preview/after-decoded-position nil)
1020 (defun mime-preview/decode-content ()
1022 (let ((pc (mime::point-preview-content (point))))
1024 (let ((the-buf (current-buffer)))
1025 (setq mime-preview/after-decoded-position (point))
1026 (switch-to-buffer (mime::preview-content-info/buffer pc))
1027 (mime::article/decode-content-region
1028 (mime::preview-content-info/content-info pc))
1029 (if (eq (current-buffer)
1030 (mime::preview-content-info/buffer pc))
1032 (switch-to-buffer the-buf)
1033 (goto-char mime-preview/after-decoded-position)
1037 (defun mime-viewer/play-content ()
1039 (let ((mime-viewer/decoding-mode "play"))
1040 (mime-preview/decode-content)
1043 (defun mime-viewer/extract-content ()
1045 (let ((mime-viewer/decoding-mode "extract"))
1046 (mime-preview/decode-content)
1049 (defun mime-viewer/print-content ()
1051 (let ((mime-viewer/decoding-mode "print"))
1052 (mime-preview/decode-content)
1055 (defun mime-viewer/up-content ()
1057 (let ((pc (mime::point-preview-content (point))) cinfo
1058 (the-buf (current-buffer))
1060 (switch-to-buffer (mime::preview-content-info/buffer pc))
1061 (setq cinfo (mime::preview-content-info/content-info pc))
1062 (setq cn (mime::get-point-content-number
1063 (mime::content-info/point-min cinfo)))
1065 (mime-viewer/quit the-buf
1066 (mime::preview-content-info/buffer pc)
1068 (setq r (mime-article/cnum-to-cinfo (butlast cn)))
1069 (switch-to-buffer the-buf)
1071 (let ((rpcl mime::preview/content-list) cell)
1073 (setq cell (car rpcl))
1074 (if (eq r (mime::preview-content-info/content-info cell))
1076 (goto-char (mime::preview-content-info/point-min cell))
1079 (setq rpcl (cdr rpcl))
1083 (defun mime-viewer/previous-content ()
1085 (let* ((pcl mime::preview/content-list)
1087 (i (- (length pcl) 1))
1091 (setq beg (mime::preview-content-info/point-min (nth i pcl)))
1093 (throw 'tag (goto-char beg))
1099 (defun mime-viewer/next-content ()
1101 (let ((pcl mime::preview/content-list)
1106 (setq beg (mime::preview-content-info/point-min (car pcl)))
1108 (throw 'tag (goto-char beg))
1110 (setq pcl (cdr pcl))
1114 (defun mime-viewer/scroll-up-content (&optional h)
1117 (setq h (- (window-height) 1))
1119 (let ((pcl mime::preview/content-list)
1125 (setq beg (mime::preview-content-info/point-min (car pcl)))
1129 (setq pcl (cdr pcl))
1139 (defun mime-viewer/scroll-down-content (&optional h)
1142 (setq h (- (window-height) 1))
1144 (let ((pcl mime::preview/content-list)
1148 (or (let ((i (- (length pcl) 1)))
1151 (setq beg (mime::preview-content-info/point-min
1159 (forward-line (- h))
1164 (defun mime-viewer/next-line-content ()
1166 (mime-viewer/scroll-up-content 1)
1169 (defun mime-viewer/previous-line-content ()
1171 (mime-viewer/scroll-down-content 1)
1174 (defun mime-viewer/quit (&optional the-buf buf)
1177 (setq the-buf (current-buffer))
1180 (setq buf (mime::preview-content-info/buffer
1181 (mime::point-preview-content (point))))
1184 (switch-to-buffer buf)
1185 (assoc major-mode mime-viewer/quitting-method-alist)
1189 (switch-to-buffer the-buf)
1194 (defun mime-viewer/kill-buffer ()
1196 (kill-buffer (current-buffer))
1205 (run-hooks 'tm-view-load-hook)