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 6.63 1995/06/25 21:33:51 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)
160 mime-viewer/content-subject-omitting-Content-Type-list))
162 (let ((access-type (assoc "access-type" params))
163 (num (or (assoc-value "x-part-number" params)
167 (format "%s" (+ num 1))
173 (let ((server (assoc "server" params)))
174 (setq access-type (cdr access-type))
176 (format "[%s %s ([%s] %s)]\n" num subj
177 access-type (cdr server))
178 (let ((site (assoc-value "site" params))
179 (dir (assoc-value "directory" params))
181 (format "[%s %s ([%s] %s:%s)]\n" num subj
182 access-type site dir)
184 (format "[%s %s (%s)]\n" num subj ctype)
187 (defvar mime-viewer/content-subject-function
188 (function mime-viewer/default-content-subject-function))
191 ;;; @ content header filter
194 (defun mime-viewer/default-content-header-filter ()
195 (goto-char (point-min))
196 (while (and (re-search-forward
197 (concat "^" mime-viewer/ignored-field-regexp ":")
204 (re-search-forward "^\\([^ \t]\\|$\\)" nil t)
208 (mime/decode-message-header)
211 (defvar mime-viewer/content-header-filter-alist nil)
214 ;;; @@ content filter
217 (defvar mime-viewer/content-filter-alist
218 '(("text/plain" . mime-viewer/filter-text/plain)
219 (nil . mime-viewer/filter-text/plain)))
221 (defun mime-viewer/default-content-filter (cnum cinfo ctype params subj)
225 ;;; @@ content separator
228 (defun mime-viewer/default-content-separator (cnum cinfo ctype params subj)
229 (if (and (not (mime-viewer/header-visible-p cnum cinfo ctype))
230 (not (mime-viewer/body-visible-p cnum cinfo ctype))
233 (goto-char (point-max))
238 ;;; @@ buffer local variables
241 (defvar mime::article/content-info nil)
242 (defvar mime::article/preview-buffer nil)
244 (defvar mime::preview/article-buffer nil)
245 (defvar mime::preview/content-list nil)
246 (defvar mime::preview/original-major-mode nil)
252 (defun mime::viewer/quitting-method-for-gnus4 ()
253 (mime-viewer/kill-buffer)
254 (delete-other-windows)
255 (gnus-article-show-summary)
256 (if (null gnus-have-all-headers)
257 (gnus-summary-select-article nil t)
260 (defvar mime-viewer/quitting-method-alist
261 '((gnus-article-mode . mime::viewer/quitting-method-for-gnus4)
262 (mime/show-message-mode
264 (set-window-configuration
265 mime/show-mode-old-window-configuration)
266 (let ((mother mime/mother-buffer))
268 (mime::preview-content-info/buffer
269 (car mime::preview/content-list)))
270 (mime-viewer/kill-buffer)
271 (pop-to-buffer mother)
272 (goto-char (point-min))
273 (mime-viewer/up-content)
278 ;;; @ data structures
283 (define-structure mime::content-info
284 point-min point-max type parameters encoding children)
286 ;;; @@ preview-content-info
288 (define-structure mime::preview-content-info
289 point-min point-max buffer content-info)
295 (defun mime-viewer/parse-message (&optional ctl encoding)
296 (make-variable-buffer-local 'mime::article/content-info)
297 (setq mime::article/content-info (mime-viewer/parse ctl encoding))
298 (let ((ret (mime-viewer/make-preview-buffer)))
299 (make-variable-buffer-local 'mime::article/preview-buffer)
300 (setq mime::article/preview-buffer (car ret))
303 (defun mime-viewer/parse (&optional ctl encoding)
306 (setq ctl (or (mime/Content-Type)
308 (setq encoding (or (mime/Content-Transfer-Encoding)
310 (let ((ctype (car ctl))
313 (let ((boundary (assoc "boundary" params)))
314 (goto-char (point-min))
315 (search-forward "\n\n" nil t)
320 (message/strip-quoted-string (cdr boundary)))
323 (if (re-search-forward
324 (concat "^--" (regexp-quote boundary) "--$") nil t)
328 (mime-viewer/parse-multipart
331 boundary ctype params encoding)
333 ((string= ctype "message/rfc822")
334 (mime::content-info/create
335 (point-min) (point-max)
336 ctype params encoding
339 (narrow-to-region (progn
340 (goto-char (point-min))
341 (if (re-search-forward "^$" nil t)
346 (list (mime-viewer/parse))
351 (mime::content-info/create (point-min) (point-max)
352 ctype params encoding nil)
356 (defun mime-viewer/parse-multipart (beg end boundary ctype params encoding)
357 (let ((sep (concat "^--" (regexp-quote boundary) "$"))
358 cb ce ct ret ncb children)
361 (narrow-to-region beg end)
362 (goto-char (point-min))
363 (search-forward (concat "--" boundary "\n") nil t)
364 (setq cb (match-end 0))
365 (while (re-search-forward sep nil t)
366 (setq ce (match-beginning 0))
367 (setq ncb (match-end 0))
370 (narrow-to-region cb ce)
371 (setq ret (apply (function mime-viewer/parse)
372 (cond ((string= ctype "multipart/digest")
373 '(("message/rfc822") "7bit")
375 (t '(("text/plain") "7bit"))
379 (setq children (nconc children (list ret)))
380 (goto-char (mime::content-info/point-max ret))
381 (search-forward (concat "--" boundary "\n") nil t)
382 (goto-char (setq cb (match-end 0)))
384 (setq ce (point-max))
387 (narrow-to-region cb ce)
388 (setq ret (apply (function mime-viewer/parse)
389 (cond ((string= ctype "multipart/mixed")
390 '(("text/plain") "7bit")
392 ((string= ctype "multipart/digest")
393 '(("message/rfc822") "7bit")
397 (setq children (nconc children (list ret)))
399 (setq beg (point-min))
401 (mime::content-info/create beg end ctype params encoding children)
404 (defun mime::parse-parameter (str)
405 (let ((ret (message::parse "\;" str)))
408 (message::parse mime/token-regexp
409 (message::parsed/rest ret)))
410 (let ((parameter (downcase (message::parsed/matched ret))))
411 (if (setq ret (message::parse "=" (message::parsed/rest ret)))
414 mime/content-parameter-value-regexp
415 (message::parsed/rest ret)))
416 (message::make-parsed
418 (message/strip-quoted-string
419 (message::parsed/matched ret))
421 (message::parsed/rest ret)
425 (defun mime::parse-field-body/Content-Type (str)
426 (let ((ret (message::parse mime/content-type-subtype-regexp str)))
428 (let ((ctype (downcase (message::parsed/matched ret)))
431 (setq str (message::parsed/rest ret))
432 (setq ret (mime::parse-parameter str))
434 (setq dest (cons (message::parsed/matched ret) dest))
436 (if (string-match "^[ \t]*$" str)
437 (cons ctype (reverse dest))
440 (defun mime/Content-Type (&optional port)
441 "Read field-body of Content-Type field from PORT and parse it.
442 PORT must be buffer or string. If PORT is omitted,
443 it is regarded as current-buffer. [tm-view]"
445 (setq port (current-buffer))
447 (let ((str (if (get-buffer port)
448 (save-window-excursion
449 (switch-to-buffer port)
450 (message/get-field-body "Content-Type")
455 (mime::parse-field-body/Content-Type
456 (message/unfolding-string str))
459 (defun mime/Content-Transfer-Encoding (&optional default-encoding)
460 (let ((str (message/get-field-body "Content-Transfer-Encoding")))
466 (defun mime-viewer/get-subject (param)
467 (if (member (cdr (assq 'encoding param))
468 mime-viewer/uuencode-encoding-name-list)
470 (or (if (re-search-forward "^begin [0-9]+ " nil t)
471 (if (looking-at ".+$")
472 (buffer-substring (match-beginning 0)(match-end 0))
476 (or (and (setq ret (assoc "name" param))
477 (message/strip-quoted-string (cdr ret))
479 (and (setq ret (assoc "x-name" param))
480 (message/strip-quoted-string (cdr ret))
485 (narrow-to-region (point-min)
486 (or (and (search-forward "\n\n" nil t)
491 (message/get-field-body "Content-Description")
492 (message/get-field-body "Subject")
497 (defun mime-viewer/get-name (param)
498 (let ((str (mime-viewer/get-subject param)))
499 (if (string-match " " str)
500 (if (or (string-match mime-viewer/file-name-regexp-1 str)
501 (string-match mime-viewer/file-name-regexp-2 str))
502 (substring str (match-beginning 0)(match-end 0))
504 (replace-as-filename str)
507 (defun mime-viewer/make-preview-buffer (&optional buf cinfo obuf)
508 (let ((the-buf (current-buffer))
516 (switch-to-buffer buf)
519 (setq cinfo mime::article/content-info)
522 (setq obuf (concat "*Preview-" (buffer-name buf) "*"))
524 (setq pcl (mime::make-flat-content-list cinfo))
525 (let ((bf (get-buffer obuf)))
526 (switch-to-buffer obuf)
527 (setq buffer-read-only nil)
531 (make-variable-buffer-local 'mime::preview/article-buffer)
532 (setq mime::preview/article-buffer the-buf)
533 (make-variable-buffer-local 'mime::preview/original-major-mode)
534 (setq mime::preview/original-major-mode mode)
535 (setq major-mode 'mime/viewer-mode)
536 (setq mode-name "MIME-View")
537 (make-variable-buffer-local 'outline-regexp)
538 ;;(setq outline-regexp "\\[.*\\]\\|\C-L")
539 ;;(outline-minor-mode t)
544 (let ((beg (mime::content-info/point-min cell))
545 (end (mime::content-info/point-max cell))
546 (ctype (mime::content-info/type cell))
547 (params (mime::content-info/parameters cell))
548 (encoding (mime::content-info/encoding cell))
549 he cnum e nb ne subj str)
550 (setq cnum (mime::get-point-content-number beg cinfo))
551 (switch-to-buffer the-buf)
552 (setq he (save-excursion
554 (re-search-forward "^$" nil t)
557 (switch-to-buffer obuf)
559 (narrow-to-region nb nb)
560 (switch-to-buffer the-buf)
561 (if (mime-viewer/header-visible-p cnum cinfo ctype)
563 (setq str (buffer-substring beg he))
564 (switch-to-buffer obuf)
568 mime-viewer/content-header-filter-alist))
570 (if (and f (setq f (cdr f)))
572 (mime-viewer/default-content-header-filter)
574 (switch-to-buffer the-buf)
576 (if (mime-viewer/body-visible-p cnum cinfo ctype)
578 (setq str (buffer-substring he end))
579 (switch-to-buffer obuf)
581 (setq be (point-max))
582 (narrow-to-region be be)
584 (setq ne (point-max))
585 (let ((f (or (assoc-value
587 mime-viewer/content-filter-alist)
589 (if (and f (fboundp f))
590 (funcall f ctype params encoding)
591 (mime-viewer/default-content-filter
592 cnum cinfo ctype params subj)
594 (setq ne (point-max))
596 (switch-to-buffer the-buf)
598 (switch-to-buffer obuf)
599 (mime-viewer/default-content-separator
600 cnum cinfo ctype params subj)
603 (setq subj (mime-viewer/get-subject params))
605 (funcall mime-viewer/content-subject-function
606 cnum cinfo ctype params subj)
607 (setq ne (point-max))
609 (mime::preview-content-info/create nb (- ne 1)
615 (set-buffer-modified-p nil)
616 (setq buffer-read-only t)
617 (switch-to-buffer the-buf)
622 ;;; @ content information
625 (defun mime::get-point-content-number (p &optional cinfo)
627 (setq cinfo mime::article/content-info)
629 (let ((b (mime::content-info/point-min cinfo))
630 (e (mime::content-info/point-max cinfo))
631 (c (mime::content-info/children cinfo))
633 (if (and (<= b p)(<= p e))
634 (or (let (co ret (sn 0))
638 (setq ret (mime::get-point-content-number p co))
639 (cond ((eq ret t) (throw 'tag (list sn)))
640 (ret (throw 'tag (cons sn ret)))
647 (defun mime-article/cnum-to-cinfo (cn &optional cinfo)
649 (setq cinfo mime::article/content-info)
656 (let ((rc (nth sn (mime::content-info/children cinfo))))
658 (mime-article/cnum-to-cinfo (cdr cn) rc)
662 (defun mime::make-flat-content-list (&optional cinfo)
664 (setq cinfo mime::article/content-info)
666 (let ((dest (list cinfo))
667 (rcl (mime::content-info/children cinfo))
670 (setq dest (nconc dest (mime::make-flat-content-list (car rcl))))
675 (defun mime::point-preview-content (p &optional pcl)
677 (setq pcl mime::preview/content-list)
683 (if (and (<= (mime::preview-content-info/point-min cell) p)
684 (<= p (mime::preview-content-info/point-max cell))
697 (defun mime/make-method-args (cal format)
702 (let ((ret (cdr (assoc (eval arg) cal))))
710 (defun mime/start-external-method-region (beg end cal)
713 (narrow-to-region beg end)
715 (let ((method (cdr (assoc 'method cal)))
716 (name (mime-viewer/get-name cal))
719 (let ((file (make-temp-name
720 (expand-file-name "TM" mime/tmp-dir)))
725 (if (re-search-forward "^$" nil t)
731 (write-region b end file)
733 'name (replace-as-filename name) cal))
734 (setq cal (put-alist 'file file cal))
737 mime/output-buffer-name (car method)
739 (mime/make-method-args cal (cdr (cdr method)))
741 (apply (function start-process) args)
742 (mime/show-output-buffer)
746 (defun mime/decode-message/partial-region (beg end cal)
748 (let* ((root-dir (expand-file-name
749 (concat "m-prts-" (user-login-name)) mime/tmp-dir))
750 (id (cdr (assoc "id" cal)))
751 (number (cdr (assoc "number" cal)))
752 (total (cdr (assoc "total" cal)))
753 (the-buf (current-buffer))
755 (mother mime::article/preview-buffer))
756 (if (not (file-exists-p root-dir))
757 (make-directory root-dir)
759 (setq id (replace-as-filename id))
760 (setq root-dir (concat root-dir "/" id))
761 (if (not (file-exists-p root-dir))
762 (make-directory root-dir)
764 (setq file (concat root-dir "/FULL"))
765 (if (not (file-exists-p file))
767 (re-search-forward "^$")
768 (goto-char (+ (match-end 0) 1))
769 (setq file (concat root-dir "/" number))
770 (write-region (point) (point-max) file)
771 (if (get-buffer "*MIME-temp*")
772 (kill-buffer "*MIME-temp*")
774 (switch-to-buffer "*MIME-temp*")
776 (max (string-to-int total))
780 (setq file (concat root-dir "/" (int-to-string i)))
781 (if (not (file-exists-p file))
783 (switch-to-buffer the-buf)
786 (insert-file-contents file)
787 (goto-char (point-max))
790 (delete-other-windows)
791 (write-file (concat root-dir "/FULL"))
792 (setq major-mode 'mime/show-message-mode)
793 (mime/viewer-mode mother)
794 (pop-to-buffer (current-buffer))
798 (delete-other-windows)
800 (setq major-mode 'mime/show-message-mode)
801 (mime/viewer-mode mother)
802 (pop-to-buffer (current-buffer))
806 (defun mime/get-content-decoding-alist (al)
807 (get-unified-alist mime/content-decoding-condition al)
810 (defun mime::article/decode-content-region (cinfo)
811 (let ((beg (mime::content-info/point-min cinfo))
812 (end (mime::content-info/point-max cinfo))
813 (ctype (mime::content-info/type cinfo))
814 (params (mime::content-info/parameters cinfo))
815 (encoding (mime::content-info/encoding cinfo))
818 (let (method cal ret)
819 (setq cal (append (list (cons 'type ctype)
820 (cons 'encoding encoding)
821 (cons 'major-mode major-mode)
824 (if mime-viewer/decoding-mode
826 (cons 'mode mime-viewer/decoding-mode)
829 (setq ret (mime/get-content-decoding-alist cal))
830 (setq method (cdr (assoc 'method ret)))
831 (cond ((and (symbolp method)
833 (funcall method beg end ret)
835 ((and (listp method)(stringp (car method)))
836 (mime/start-external-method-region beg end ret)
838 (t (mime/show-output-buffer
839 "No method are specified for %s\n" ctype)
844 (defun mime/show-output-buffer (&rest forms)
845 (let ((the-buf (current-buffer)))
846 (if (null (get-buffer-window mime/output-buffer-name))
847 (split-window-vertically (/ (* (window-height) 3) 4))
849 (pop-to-buffer mime/output-buffer-name)
850 (goto-char (point-max))
852 (insert (apply (function format) forms))
854 (pop-to-buffer the-buf)
861 (defvar mime-viewer/code-converter-alist nil)
863 (defun mime-viewer/default-code-convert-region
864 (beg end charset &optional encoding)
865 (if (member charset '("quoted-printable" "base64"))
866 (mime/code-convert-region-to-emacs beg (point-max) charset)
869 (defun mime-viewer/filter-text/plain (ctype params encoding)
870 (let ((charset (cdr (assoc "charset" params)))
871 (beg (point-min)) (end (point-max))
873 (goto-char (point-min))
874 (cond ((string= encoding "quoted-printable")
875 (quoted-printable-decode-region beg end)
877 ((string= encoding "base64")
878 (base64-decode-region beg end)
880 (let* ((mode mime::preview/original-major-mode)
881 (m (assq mode mime-viewer/code-converter-alist))
883 (if (and m (fboundp (setq m (cdr m))))
884 (funcall m beg (point-max) charset encoding)
885 (mime-viewer/default-code-convert-region beg (point-max)
889 (run-hooks 'mime-viewer/plain-text-preview-hook)
893 ;;; @ MIME viewer mode
896 (defvar mime/viewer-mode-map nil)
897 (if (null mime/viewer-mode-map)
899 (setq mime/viewer-mode-map (make-keymap))
900 (suppress-keymap mime/viewer-mode-map)
901 (define-key mime/viewer-mode-map
902 "u" (function mime-viewer/up-content))
903 (define-key mime/viewer-mode-map
904 "p" (function mime-viewer/previous-content))
905 (define-key mime/viewer-mode-map
906 "n" (function mime-viewer/next-content))
907 (define-key mime/viewer-mode-map
908 " " (function mime-viewer/scroll-up-content))
909 (define-key mime/viewer-mode-map
910 "\M- " (function mime-viewer/scroll-down-content))
911 (define-key mime/viewer-mode-map
912 "\177" (function mime-viewer/scroll-down-content))
913 (define-key mime/viewer-mode-map
914 "\C-m" (function mime-viewer/next-line-content))
915 (define-key mime/viewer-mode-map
916 "\C-\M-m" (function mime-viewer/previous-line-content))
917 (define-key mime/viewer-mode-map
918 "v" (function mime-viewer/play-content))
919 (define-key mime/viewer-mode-map
920 "e" (function mime-viewer/extract-content))
921 (define-key mime/viewer-mode-map
922 "\C-c\C-p" (function mime-viewer/print-content))
923 (define-key mime/viewer-mode-map
924 "q" (function mime-viewer/quit))
925 (define-key mime/viewer-mode-map
926 "\C-c\C-x" (function mime-viewer/kill-buffer))
929 (defun mime/viewer-mode (&optional mother ctl encoding)
930 "Major mode for viewing MIME message.
932 u Move to upper content
933 p Move to previous content
934 n Move to next content
938 RET Move to next line
939 M-RET Move to previous line
940 v Decode the content as `play mode'
941 e Decode the content as `extract mode'
942 C-c C-p Decode the content as `print mode'
946 (setq mime-viewer/ignored-field-regexp
948 (mapconcat (function regexp-quote)
949 mime-viewer/ignored-field-list "\\|")
951 (let ((buf (get-buffer mime/output-buffer-name))
952 (the-buf (current-buffer))
956 (switch-to-buffer buf)
958 (switch-to-buffer the-buf)
960 (let ((ret (mime-viewer/parse-message ctl encoding)))
962 (switch-to-buffer (car ret))
965 (make-variable-buffer-local
966 'mime/show-mode-old-window-configuration)
967 (setq mime/show-mode-old-window-configuration
968 (current-window-configuration))
969 (make-variable-buffer-local 'mime/mother-buffer)
970 (setq mime/mother-buffer mother)
972 (use-local-map mime/viewer-mode-map)
973 (make-variable-buffer-local 'mime::preview/content-list)
974 (setq mime::preview/content-list (nth 1 ret))
976 (let ((ce (mime::preview-content-info/point-max
977 (car mime::preview/content-list)
980 (goto-char (point-min))
981 (search-forward "\n\n" nil t)
982 (setq e (match-end 0))
986 (run-hooks 'mime/viewer-mode-hook)
989 (defun mime-preview/point-content-number (point)
990 (save-window-excursion
991 (let ((pc (mime::point-preview-content (point)))
993 (switch-to-buffer (mime::preview-content-info/buffer pc))
994 (setq cinfo (mime::preview-content-info/content-info pc))
995 (mime::get-point-content-number (mime::content-info/point-min cinfo))
998 (defun mime-preview/cinfo-to-pcinfo (cinfo)
999 (let ((rpcl mime::preview/content-list) cell)
1002 (setq cell (car rpcl))
1003 (if (eq cinfo (mime::preview-content-info/content-info cell))
1006 (setq rpcl (cdr rpcl))
1009 (defvar mime-preview/after-decoded-position nil)
1011 (defun mime-preview/decode-content ()
1013 (let ((pc (mime::point-preview-content (point))))
1015 (let ((the-buf (current-buffer)))
1016 (setq mime-preview/after-decoded-position (point))
1017 (switch-to-buffer (mime::preview-content-info/buffer pc))
1018 (mime::article/decode-content-region
1019 (mime::preview-content-info/content-info pc))
1020 (if (eq (current-buffer)
1021 (mime::preview-content-info/buffer pc))
1023 (switch-to-buffer the-buf)
1024 (goto-char mime-preview/after-decoded-position)
1028 (defun mime-viewer/play-content ()
1030 (let ((mime-viewer/decoding-mode "play"))
1031 (mime-preview/decode-content)
1034 (defun mime-viewer/extract-content ()
1036 (let ((mime-viewer/decoding-mode "extract"))
1037 (mime-preview/decode-content)
1040 (defun mime-viewer/print-content ()
1042 (let ((mime-viewer/decoding-mode "print"))
1043 (mime-preview/decode-content)
1046 (defun mime-viewer/up-content ()
1048 (let ((pc (mime::point-preview-content (point))) cinfo
1049 (the-buf (current-buffer))
1051 (switch-to-buffer (mime::preview-content-info/buffer pc))
1052 (setq cinfo (mime::preview-content-info/content-info pc))
1053 (setq cn (mime::get-point-content-number
1054 (mime::content-info/point-min cinfo)))
1056 (mime-viewer/quit the-buf
1057 (mime::preview-content-info/buffer pc)
1059 (setq r (mime-article/cnum-to-cinfo (butlast cn)))
1060 (switch-to-buffer the-buf)
1062 (let ((rpcl mime::preview/content-list) cell)
1064 (setq cell (car rpcl))
1065 (if (eq r (mime::preview-content-info/content-info cell))
1067 (goto-char (mime::preview-content-info/point-min cell))
1070 (setq rpcl (cdr rpcl))
1074 (defun mime-viewer/previous-content ()
1076 (let* ((pcl mime::preview/content-list)
1078 (i (- (length pcl) 1))
1082 (setq beg (mime::preview-content-info/point-min (nth i pcl)))
1084 (throw 'tag (goto-char beg))
1090 (defun mime-viewer/next-content ()
1092 (let ((pcl mime::preview/content-list)
1097 (setq beg (mime::preview-content-info/point-min (car pcl)))
1099 (throw 'tag (goto-char beg))
1101 (setq pcl (cdr pcl))
1105 (defun mime-viewer/scroll-up-content (&optional h)
1108 (setq h (- (window-height) 1))
1110 (let ((pcl mime::preview/content-list)
1116 (setq beg (mime::preview-content-info/point-min (car pcl)))
1120 (setq pcl (cdr pcl))
1130 (defun mime-viewer/scroll-down-content (&optional h)
1133 (setq h (- (window-height) 1))
1135 (let ((pcl mime::preview/content-list)
1139 (or (let ((i (- (length pcl) 1)))
1142 (setq beg (mime::preview-content-info/point-min
1150 (forward-line (- h))
1155 (defun mime-viewer/next-line-content ()
1157 (mime-viewer/scroll-up-content 1)
1160 (defun mime-viewer/previous-line-content ()
1162 (mime-viewer/scroll-down-content 1)
1165 (defun mime-viewer/quit (&optional the-buf buf)
1168 (setq the-buf (current-buffer))
1171 (setq buf (mime::preview-content-info/buffer
1172 (mime::point-preview-content (point))))
1175 (switch-to-buffer buf)
1176 (assoc major-mode mime-viewer/quitting-method-alist)
1180 (switch-to-buffer the-buf)
1185 (defun mime-viewer/kill-buffer ()
1187 (kill-buffer (current-buffer))
1196 (run-hooks 'tm-view-load-hook)