1 ;;; mime-view.el --- interactive MIME viewer for GNU Emacs
3 ;; Copyright (C) 1995,96,97,98,99,2000 Free Software Foundation, Inc.
5 ;; Author: MORIOKA Tomohiko <tomo@m17n.org>
7 ;; Renamed: 1994/08/31 from tm-body.el
8 ;; Renamed: 1997/02/19 from tm-view.el
9 ;; Keywords: MIME, multimedia, mail, news
11 ;; This file is part of SEMI (Sample of Elastic MIME Interfaces).
13 ;; This program is free software; you can redistribute it and/or
14 ;; modify it under the terms of the GNU General Public License as
15 ;; published by the Free Software Foundation; either version 2, or (at
16 ;; your option) any later version.
18 ;; This program is distributed in the hope that it will be useful, but
19 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 ;; General Public License for more details.
23 ;; You should have received a copy of the GNU General Public License
24 ;; along with GNU Emacs; see the file COPYING. If not, write to the
25 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
26 ;; Boston, MA 02111-1307, USA.
41 (defconst mime-view-version
42 (concat (mime-product-name mime-user-interface-product) " MIME-View "
43 (mapconcat #'number-to-string
44 (mime-product-version mime-user-interface-product) ".")
45 " (" (mime-product-code-name mime-user-interface-product) ")"))
51 (defgroup mime-view nil
55 (defcustom mime-situation-examples-file "~/.mime-example"
56 "*File name of situation-examples demonstrated by user."
60 (defcustom mime-preview-move-scroll nil
61 "*Decides whether to scroll when moving to next entity.
62 When t, scroll the buffer. Non-nil but not t means scroll when
63 the next entity is within next-screen-context-lines from top or
64 buttom. Nil means don't scroll at all."
66 :type '(choice (const :tag "Off" nil)
68 (sexp :tag "Situation" 1)))
71 ;;; @ in raw-buffer (representation space)
74 (defvar mime-preview-buffer nil
75 "MIME-preview buffer corresponding with the (raw) buffer.")
76 (make-variable-buffer-local 'mime-preview-buffer)
79 (defvar mime-raw-representation-type-alist
80 '((mime-show-message-mode . binary)
81 (mime-temp-message-mode . binary)
84 "Alist of major-mode vs. representation-type of mime-raw-buffer.
85 Each element looks like (SYMBOL . REPRESENTATION-TYPE). SYMBOL is
86 major-mode or t. t means default. REPRESENTATION-TYPE must be
87 `binary' or `cooked'.")
90 ;;; @ in preview-buffer (presentation space)
93 (defvar mime-mother-buffer nil
94 "Mother buffer corresponding with the (MIME-preview) buffer.
95 If current MIME-preview buffer is generated by other buffer, such as
96 message/partial, it is called `mother-buffer'.")
97 (make-variable-buffer-local 'mime-mother-buffer)
99 ;; (defvar mime-raw-buffer nil
100 ;; "Raw buffer corresponding with the (MIME-preview) buffer.")
101 ;; (make-variable-buffer-local 'mime-raw-buffer)
103 (defvar mime-preview-original-window-configuration nil
104 "Window-configuration before mime-view-mode is called.")
105 (make-variable-buffer-local 'mime-preview-original-window-configuration)
107 (defun mime-preview-original-major-mode (&optional recursive point)
108 "Return major-mode of original buffer.
109 If optional argument RECURSIVE is non-nil and current buffer has
110 mime-mother-buffer, it returns original major-mode of the
112 (if (and recursive mime-mother-buffer)
114 (set-buffer mime-mother-buffer)
115 (mime-preview-original-major-mode recursive)
117 (cdr (assq 'major-mode
118 (get-text-property (or point
119 (if (> (point) (buffer-size))
120 (max (1- (point-max)) (point-min))
122 'mime-view-situation)))))
125 ;;; @ entity information
128 (defun mime-entity-situation (entity &optional situation)
129 "Return situation of ENTITY."
130 (let (rest param name)
132 (unless (assq 'type situation)
133 (setq rest (or (mime-entity-content-type entity)
134 (make-mime-content-type 'text 'plain))
135 situation (cons (car rest) situation)
138 (unless (assq 'subtype situation)
140 (setq rest (or (cdr (mime-entity-content-type entity))
141 '((subtype . plain)))))
142 (setq situation (cons (car rest) situation)
146 (setq param (car rest))
147 (or (assoc (car param) situation)
148 (setq situation (cons param situation)))
149 (setq rest (cdr rest)))
151 ;; Content-Disposition
153 (unless (assq 'disposition-type situation)
154 (setq rest (mime-entity-content-disposition entity))
156 (setq situation (cons (cons 'disposition-type
157 (mime-content-disposition-type rest))
159 rest (mime-content-disposition-parameters rest))
162 (setq param (car rest)
164 (if (cond ((string= name "filename")
165 (if (assq 'filename situation)
167 (setq name 'filename)))
168 ((string= name "creation-date")
169 (if (assq 'creation-date situation)
171 (setq name 'creation-date)))
172 ((string= name "modification-date")
173 (if (assq 'modification-date situation)
175 (setq name 'modification-date)))
176 ((string= name "read-date")
177 (if (assq 'read-date situation)
179 (setq name 'read-date)))
180 ((string= name "size")
181 (if (assq 'size situation)
184 (t (setq name (cons 'disposition name))
185 (if (assoc name situation)
189 (cons (cons name (cdr param))
191 (setq rest (cdr rest)))
193 ;; Content-Transfer-Encoding
194 (or (assq 'encoding situation)
196 (cons (cons 'encoding (or (mime-entity-encoding entity)
202 (defsubst mime-delq-null-situation (situations field
203 &rest ignored-values)
206 (let* ((situation (car situations))
207 (cell (assq field situation)))
209 (or (memq (cdr cell) ignored-values)
210 (setq dest (cons situation dest))
212 (setq situations (cdr situations)))
215 (defun mime-compare-situation-with-example (situation example)
216 (let ((example (copy-alist example))
219 (let* ((cell (car situation))
221 (ecell (assoc key example)))
223 (if (equal cell ecell)
224 (setq match (1+ match))
225 (setq example (delq ecell example))
228 (setq situation (cdr situation))
233 (defun mime-sort-situation (situation)
243 (disposition-type . 6)
247 (let ((ret (assq a-t order)))
249 (setq a-order (cdr ret))
255 (let ((ret (assq b-t order)))
257 (setq b-order (cdr ret))
262 (if (= a-order b-order)
263 (string< (format "%s" a-t)(format "%s" b-t))
268 (defun mime-unify-situations (entity-situation
269 condition situation-examples
270 &optional required-name ignored-value
273 (in-calist-package 'mime-view)
275 (ctree-find-calist condition entity-situation
278 (setq ret (mime-delq-null-situation ret required-name
280 (or (assq 'ignore-examples entity-situation)
288 (let ((situation (car rest))
289 (examples situation-examples))
292 (mime-compare-situation-with-example
293 situation (caar examples)))
294 (ret-score (car ret)))
295 (cond ((> ret-score max-score)
296 (setq max-score ret-score
297 max-escore (cdar examples)
298 max-examples (list (cdr ret))
299 max-situations (list situation))
301 ((= ret-score max-score)
302 (cond ((> (cdar examples) max-escore)
303 (setq max-escore (cdar examples)
304 max-examples (list (cdr ret))
305 max-situations (list situation))
307 ((= (cdar examples) max-escore)
309 (cons (cdr ret) max-examples))
310 (or (member situation max-situations)
312 (cons situation max-situations)))
314 (setq examples (cdr examples))))
315 (setq rest (cdr rest)))
317 (setq ret max-situations)
319 (let* ((example (car max-examples))
321 (assoc example situation-examples)))
323 (setcdr cell (1+ (cdr cell)))
324 (setq situation-examples
325 (cons (cons example 0)
328 (setq max-examples (cdr max-examples))
330 (cons ret situation-examples)
331 ;; ret: list of situations
332 ;; situation-examples: new examples (notoce that contents of
333 ;; argument `situation-examples' has bees modified)
336 (defun mime-view-entity-title (entity)
337 (or (mime-entity-read-field entity 'Content-Description)
338 (mime-entity-read-field entity 'Subject)
339 (mime-entity-filename entity)
342 (defvar mime-preview-situation-example-list nil)
343 (defvar mime-preview-situation-example-list-max-size 16)
344 ;; (defvar mime-preview-situation-example-condition nil)
346 (defun mime-find-entity-preview-situation (entity
347 &optional default-situation)
349 (mime-unify-situations
350 (append (mime-entity-situation entity)
352 mime-preview-condition
353 mime-preview-situation-example-list)))
354 (setq mime-preview-situation-example-list
360 (defvar mime-acting-situation-example-list nil)
361 (defvar mime-acting-situation-example-list-max-size 16)
362 (defvar mime-situation-examples-file-coding-system nil)
364 (defun mime-save-situation-examples ()
365 (if (or mime-preview-situation-example-list
366 mime-acting-situation-example-list)
367 (let ((file mime-situation-examples-file))
369 (insert ";;; " (file-name-nondirectory file) "\n")
370 (insert "\n;; This file is generated automatically by "
371 mime-view-version "\n\n")
372 (insert ";;; Code:\n\n")
373 (if mime-preview-situation-example-list
374 (pp `(setq mime-preview-situation-example-list
375 ',mime-preview-situation-example-list)
377 (if mime-acting-situation-example-list
378 (pp `(setq mime-acting-situation-example-list
379 ',mime-acting-situation-example-list)
382 (file-name-nondirectory file)
385 ((boundp 'buffer-file-coding-system)
386 (setq buffer-file-coding-system
387 mime-situation-examples-file-coding-system))
388 ((boundp 'file-coding-system)
389 (setq file-coding-system
390 mime-situation-examples-file-coding-system)))
391 (setq buffer-file-name file)
394 (add-hook 'kill-emacs-hook 'mime-save-situation-examples)
396 (defun mime-reduce-situation-examples (situation-examples)
397 (let ((len (length situation-examples))
405 ir situation-examples)
409 jr situation-examples)
413 (setq ret (mime-compare-situation-with-example (car ic)(car jc))
415 det-ret (+ (length (car ic))(length (car jc)))
416 det-org (length (cdr ret))
417 freq (+ (cdr ic)(cdr jc)))
418 (cond ((< max-sim sim)
425 dest (cons (cdr ret) freq))
428 (cond ((> min-det-ret det-ret)
429 (setq min-det-ret det-ret
434 dest (cons (cdr ret) freq))
436 ((= min-det-ret det-ret)
437 (cond ((> min-det-org det-org)
438 (setq min-det-org det-org
442 dest (cons (cdr ret) freq))
444 ((= min-det-org det-org)
445 (cond ((> min-freq freq)
449 dest (cons (cdr ret) freq))
463 (setq jr (nthcdr (1- d-j) situation-examples))
464 (setcdr jr (cddr jr))
466 (setq situation-examples
467 (cdr situation-examples))
468 (setq ir (nthcdr (1- d-i) situation-examples))
469 (setcdr ir (cddr ir))
471 (if (setq ir (assoc (car dest) situation-examples))
473 (setcdr ir (+ (cdr ir)(cdr dest)))
475 (cons dest situation-examples)
476 ;; situation-examples may be modified.
480 ;;; @ presentation of preview
486 ;;; @@@ predicate function
489 ;; (defun mime-view-entity-button-visible-p (entity)
490 ;; "Return non-nil if header of ENTITY is visible.
491 ;; Please redefine this function if you want to change default setting."
492 ;; (let ((media-type (mime-entity-media-type entity))
493 ;; (media-subtype (mime-entity-media-subtype entity)))
494 ;; (or (not (eq media-type 'application))
495 ;; (and (not (eq media-subtype 'x-selection))
496 ;; (or (not (eq media-subtype 'octet-stream))
497 ;; (let ((mother-entity (mime-entity-parent entity)))
498 ;; (or (not (eq (mime-entity-media-type mother-entity)
500 ;; (not (eq (mime-entity-media-subtype mother-entity)
505 ;;; @@@ entity button generator
508 (defun mime-view-insert-entity-button (entity)
509 "Insert entity-button of ENTITY."
510 (let ((entity-node-id (mime-entity-node-id entity))
511 (params (mime-entity-parameters entity))
512 (subject (mime-view-entity-title entity)))
514 (let ((access-type (assoc "access-type" params))
515 (num (or (cdr (assoc "x-part-number" params))
516 (if (consp entity-node-id)
519 (format "%s" (1+ num))
521 (reverse entity-node-id) ".")
525 (let ((server (assoc "server" params)))
526 (setq access-type (cdr access-type))
528 (format "%s %s ([%s] %s)"
529 num subject access-type (cdr server))
530 (let ((site (cdr (assoc "site" params)))
531 (dir (cdr (assoc "directory" params)))
532 (url (cdr (assoc "url" params)))
535 (format "%s %s ([%s] %s)"
536 num subject access-type url)
537 (format "%s %s ([%s] %s:%s)"
538 num subject access-type site dir))
542 (let ((media-type (mime-entity-media-type entity))
543 (media-subtype (mime-entity-media-subtype entity))
544 (charset (cdr (assoc "charset" params)))
545 (encoding (mime-entity-encoding entity)))
549 (format " <%s/%s%s%s>"
550 media-type media-subtype
552 (concat "; " charset)
555 (concat " (" encoding ")")
557 (if (>= (+ (current-column)(length rest))(window-width))
561 (function mime-preview-play-current-entity))
568 (defvar mime-header-presentation-method-alist nil
569 "Alist of major mode vs. corresponding header-presentation-method functions.
570 Each element looks like (SYMBOL . FUNCTION).
571 SYMBOL must be major mode in raw-buffer or t. t means default.
572 Interface of FUNCTION must be (ENTITY SITUATION).")
574 (defvar mime-view-ignored-field-list
575 '(".*Received:" ".*Path:" ".*Id:" "^References:"
576 "^Replied:" "^Errors-To:"
577 "^Lines:" "^Sender:" ".*Host:" "^Xref:"
578 "^Content-Type:" "^Precedence:"
579 "^Status:" "^X-VM-.*:")
580 "All fields that match this list will be hidden in MIME preview buffer.
581 Each elements are regexp of field-name.")
583 (defvar mime-view-visible-field-list '("^Dnas.*:" "^Message-Id:")
584 "All fields that match this list will be displayed in MIME preview buffer.
585 Each elements are regexp of field-name.")
591 ;;; @@@ predicate function
594 (in-calist-package 'mime-view)
596 (defun mime-calist::field-match-method-as-default-rule (calist
597 field-type field-value)
598 (let ((s-field (assq field-type calist)))
599 (cond ((null s-field)
600 (cons (cons field-type field-value) calist)
604 (define-calist-field-match-method
605 'header #'mime-calist::field-match-method-as-default-rule)
607 (define-calist-field-match-method
608 'body #'mime-calist::field-match-method-as-default-rule)
611 (defvar mime-preview-condition nil
612 "Condition-tree about how to display entity.")
614 (ctree-set-calist-strictly
615 'mime-preview-condition '((type . application)(subtype . octet-stream)
618 (ctree-set-calist-strictly
619 'mime-preview-condition '((type . application)(subtype . octet-stream)
622 (ctree-set-calist-strictly
623 'mime-preview-condition '((type . application)(subtype . octet-stream)
627 (ctree-set-calist-strictly
628 'mime-preview-condition '((type . application)(subtype . pgp)
631 (ctree-set-calist-strictly
632 'mime-preview-condition '((type . application)(subtype . x-latex)
635 (ctree-set-calist-strictly
636 'mime-preview-condition '((type . application)(subtype . x-selection)
639 (ctree-set-calist-strictly
640 'mime-preview-condition '((type . application)(subtype . x-comment)
643 (ctree-set-calist-strictly
644 'mime-preview-condition '((type . message)(subtype . delivery-status)
647 (ctree-set-calist-strictly
648 'mime-preview-condition
650 (body-presentation-method . mime-display-text/plain)))
652 (ctree-set-calist-strictly
653 'mime-preview-condition
656 (body-presentation-method . mime-display-text/plain)))
658 (ctree-set-calist-strictly
659 'mime-preview-condition
660 '((type . text)(subtype . enriched)
662 (body-presentation-method . mime-display-text/enriched)))
664 (ctree-set-calist-strictly
665 'mime-preview-condition
666 '((type . text)(subtype . richtext)
668 (body-presentation-method . mime-display-text/richtext)))
670 (autoload 'mime-display-application/x-postpet "postpet")
672 (ctree-set-calist-strictly
673 'mime-preview-condition
674 '((type . application)(subtype . x-postpet)
676 (body-presentation-method . mime-display-application/x-postpet)))
678 (ctree-set-calist-strictly
679 'mime-preview-condition
680 '((type . text)(subtype . t)
682 (body-presentation-method . mime-display-text/plain)))
684 (ctree-set-calist-strictly
685 'mime-preview-condition
686 '((type . multipart)(subtype . alternative)
688 (body-presentation-method . mime-display-multipart/alternative)))
690 (ctree-set-calist-strictly
691 'mime-preview-condition
692 '((type . multipart)(subtype . t)
694 (body-presentation-method . mime-display-multipart/mixed)))
696 (ctree-set-calist-strictly
697 'mime-preview-condition
698 '((type . message)(subtype . partial)
700 (body-presentation-method . mime-display-message/partial-button)))
702 (ctree-set-calist-strictly
703 'mime-preview-condition
704 '((type . message)(subtype . rfc822)
706 (body-presentation-method . mime-display-multipart/mixed)
707 (childrens-situation (header . visible)
708 (entity-button . invisible))))
710 (ctree-set-calist-strictly
711 'mime-preview-condition
712 '((type . message)(subtype . news)
714 (body-presentation-method . mime-display-multipart/mixed)
715 (childrens-situation (header . visible)
716 (entity-button . invisible))))
719 ;;; @@@ entity presentation
722 (defun mime-display-text/plain (entity situation)
724 (narrow-to-region (point-max)(point-max))
726 (mime-insert-text-content entity)
728 (message "Can't decode current entity.")
730 (run-hooks 'mime-text-decode-hook)
731 (goto-char (point-max))
732 (if (not (eq (char-after (1- (point))) ?\n))
735 (mime-add-url-buttons)
736 (run-hooks 'mime-display-text/plain-hook)
739 (defun mime-display-text/richtext (entity situation)
741 (narrow-to-region (point-max)(point-max))
742 (mime-insert-text-content entity)
743 (run-hooks 'mime-text-decode-hook)
744 (let ((beg (point-min)))
745 (remove-text-properties beg (point-max) '(face nil))
746 (richtext-decode beg (point-max))
749 (defun mime-display-text/enriched (entity situation)
751 (narrow-to-region (point-max)(point-max))
752 (mime-insert-text-content entity)
753 (run-hooks 'mime-text-decode-hook)
754 (let ((beg (point-min)))
755 (remove-text-properties beg (point-max) '(face nil))
756 (enriched-decode beg (point-max))
760 (defvar mime-view-announcement-for-message/partial
761 (if (and (>= emacs-major-version 19) window-system)
763 \[[ This is message/partial style split message. ]]
764 \[[ Please press `v' key in this buffer ]]
765 \[[ or click here by mouse button-2. ]]"
767 \[[ This is message/partial style split message. ]]
768 \[[ Please press `v' key in this buffer. ]]"
771 (defun mime-display-message/partial-button (&optional entity situation)
773 (goto-char (point-max))
774 (if (not (search-backward "\n\n" nil t))
777 (goto-char (point-max))
778 (narrow-to-region (point-max)(point-max))
779 (insert mime-view-announcement-for-message/partial)
780 (mime-add-button (point-min)(point-max)
781 #'mime-preview-play-current-entity)
784 (defun mime-display-multipart/mixed (entity situation)
785 (let ((children (mime-entity-children entity))
786 (original-major-mode-cell (assq 'major-mode situation))
788 (cdr (assq 'childrens-situation situation))))
789 (if original-major-mode-cell
790 (setq default-situation
791 (cons original-major-mode-cell default-situation)))
793 (mime-display-entity (car children) nil default-situation)
794 (setq children (cdr children))
797 (defcustom mime-view-type-subtype-score-alist
798 '(((text . enriched) . 3)
799 ((text . richtext) . 2)
802 "Alist MEDIA-TYPE vs corresponding score.
803 MEDIA-TYPE must be (TYPE . SUBTYPE), TYPE or t. t means default."
805 :type '(repeat (cons (choice :tag "Media-Type"
806 (cons :tag "Type/Subtype"
807 (symbol :tag "Primary-type")
808 (symbol :tag "Subtype"))
810 (const :tag "Default" t))
813 (defun mime-display-multipart/alternative (entity situation)
814 (let* ((children (mime-entity-children entity))
815 (original-major-mode-cell (assq 'major-mode situation))
817 (cdr (assq 'childrens-situation situation)))
822 (if original-major-mode-cell
823 (setq default-situation
824 (cons original-major-mode-cell default-situation)))
829 (mime-find-entity-preview-situation
830 child default-situation)))
831 (if (cdr (assq 'body-presentation-method situation))
836 (cdr (assq 'type situation))
837 (cdr (assq 'subtype situation)))
838 mime-view-type-subtype-score-alist)
840 (cdr (assq 'type situation))
841 mime-view-type-subtype-score-alist)
844 mime-view-type-subtype-score-alist)
846 (if (> score max-score)
856 (let ((child (car children))
857 (situation (car situations)))
858 (mime-display-entity child (if (= i p)
860 (put-alist 'body 'invisible
861 (copy-alist situation)))))
862 (setq children (cdr children)
863 situations (cdr situations)
867 ;;; @ acting-condition
870 (defvar mime-acting-condition nil
871 "Condition-tree about how to process entity.")
873 (if (file-readable-p mailcap-file)
874 (let ((entries (mailcap-parse-file)))
876 (let ((entry (car entries))
879 (let* ((field (car entry))
880 (field-type (car field)))
881 (cond ((eq field-type 'view) (setq view field))
882 ((eq field-type 'print) (setq print field))
883 ((memq field-type '(compose composetyped edit)))
884 (t (setq shared (cons field shared))))
886 (setq entry (cdr entry))
888 (setq shared (nreverse shared))
889 (ctree-set-calist-with-default
890 'mime-acting-condition
891 (append shared (list '(mode . "play")(cons 'method (cdr view)))))
893 (ctree-set-calist-with-default
894 'mime-acting-condition
896 (list '(mode . "print")(cons 'method (cdr view))))
899 (setq entries (cdr entries))
902 (ctree-set-calist-strictly
903 'mime-acting-condition
904 '((type . application)(subtype . octet-stream)
906 (method . mime-detect-content)
909 (ctree-set-calist-with-default
910 'mime-acting-condition
912 (method . mime-save-content)))
914 (ctree-set-calist-strictly
915 'mime-acting-condition
916 '((type . text)(subtype . x-rot13-47)(mode . "play")
917 (method . mime-view-caesar)
919 (ctree-set-calist-strictly
920 'mime-acting-condition
921 '((type . text)(subtype . x-rot13-47-48)(mode . "play")
922 (method . mime-view-caesar)
925 (ctree-set-calist-strictly
926 'mime-acting-condition
927 '((type . message)(subtype . rfc822)(mode . "play")
928 (method . mime-view-message/rfc822)
930 (ctree-set-calist-strictly
931 'mime-acting-condition
932 '((type . message)(subtype . partial)(mode . "play")
933 (method . mime-store-message/partial-piece)
936 (ctree-set-calist-strictly
937 'mime-acting-condition
938 '((type . message)(subtype . external-body)
939 ("access-type" . "anon-ftp")
940 (method . mime-view-message/external-anon-ftp)
943 (ctree-set-calist-strictly
944 'mime-acting-condition
945 '((type . message)(subtype . external-body)
946 ("access-type" . "url")
947 (method . mime-view-message/external-url)
950 (ctree-set-calist-strictly
951 'mime-acting-condition
952 '((type . application)(subtype . octet-stream)
953 (method . mime-save-content)
957 ;;; @ quitting method
960 (defvar mime-preview-quitting-method-alist
961 '((mime-show-message-mode
962 . mime-preview-quitting-method-for-mime-show-message-mode))
963 "Alist of major-mode vs. quitting-method of mime-view.")
965 (defvar mime-preview-over-to-previous-method-alist nil
966 "Alist of major-mode vs. over-to-previous-method of mime-view.")
968 (defvar mime-preview-over-to-next-method-alist nil
969 "Alist of major-mode vs. over-to-next-method of mime-view.")
972 ;;; @ following method
975 (defvar mime-preview-following-method-alist nil
976 "Alist of major-mode vs. following-method of mime-view.")
978 (defvar mime-view-following-required-fields-list
985 (defun mime-display-entity (entity &optional situation
986 default-situation preview-buffer)
988 (setq preview-buffer (current-buffer)))
989 (let* (e nb ne nhb nbb)
990 (in-calist-package 'mime-view)
993 (mime-find-entity-preview-situation entity default-situation)))
994 (let ((button-is-invisible
995 (eq (cdr (or (assq '*entity-button situation)
996 (assq 'entity-button situation)))
999 (eq (cdr (or (assq '*header situation)
1000 (assq 'header situation)))
1003 (eq (cdr (or (assq '*body situation)
1004 (assq 'body situation)))
1006 (children (mime-entity-children entity)))
1007 (set-buffer preview-buffer)
1009 (narrow-to-region nb nb)
1010 (or button-is-invisible
1011 ;; (if (mime-view-entity-button-visible-p entity)
1012 (mime-view-insert-entity-button entity)
1015 (if header-is-visible
1016 (let ((header-presentation-method
1017 (or (cdr (assq 'header-presentation-method situation))
1018 (cdr (assq (cdr (assq 'major-mode situation))
1019 mime-header-presentation-method-alist)))))
1021 (if header-presentation-method
1022 (funcall header-presentation-method entity situation)
1023 (mime-insert-header entity
1024 mime-view-ignored-field-list
1025 mime-view-visible-field-list))
1026 (run-hooks 'mime-display-header-hook)
1027 (put-text-property nhb (point-max) 'mime-view-entity-header entity)
1028 (goto-char (point-max))
1033 (let ((body-presentation-method
1034 (cdr (assq 'body-presentation-method situation))))
1035 (if (functionp body-presentation-method)
1036 (funcall body-presentation-method entity situation)
1037 (mime-display-text/plain entity situation)))
1038 (when button-is-invisible
1039 (goto-char (point-max))
1040 (mime-view-insert-entity-button entity)
1042 (unless header-is-visible
1043 (goto-char (point-max))
1046 (setq ne (point-max))
1048 (put-text-property nb ne 'mime-view-entity entity)
1049 (put-text-property nb ne 'mime-view-situation situation)
1050 (put-text-property nbb ne 'mime-view-entity-body entity)
1052 (if (and children body-is-visible)
1053 (let ((body-presentation-method
1054 (cdr (assq 'body-presentation-method situation))))
1055 (if (functionp body-presentation-method)
1056 (funcall body-presentation-method entity situation)
1057 (mime-display-multipart/mixed entity situation))))
1061 ;;; @ MIME viewer mode
1064 (defconst mime-view-menu-title "MIME-View")
1065 (defconst mime-view-menu-list
1066 '((up "Move to upper entity" mime-preview-move-to-upper)
1067 (previous "Move to previous entity" mime-preview-move-to-previous)
1068 (next "Move to next entity" mime-preview-move-to-next)
1069 (scroll-down "Scroll-down" mime-preview-scroll-down-entity)
1070 (scroll-up "Scroll-up" mime-preview-scroll-up-entity)
1071 (play "Play current entity" mime-preview-play-current-entity)
1072 (extract "Extract current entity" mime-preview-extract-current-entity)
1073 (print "Print current entity" mime-preview-print-current-entity)
1075 "Menu for MIME Viewer")
1077 (cond ((featurep 'xemacs)
1078 (defvar mime-view-xemacs-popup-menu
1079 (cons mime-view-menu-title
1082 (vector (nth 1 item)(nth 2 item) t)
1084 mime-view-menu-list)))
1085 (defun mime-view-xemacs-popup-menu (event)
1086 "Popup the menu in the MIME Viewer buffer"
1088 (select-window (event-window event))
1089 (set-buffer (event-buffer event))
1090 (popup-menu 'mime-view-xemacs-popup-menu))
1091 (defvar mouse-button-2 'button2)
1094 (defvar mime-view-popup-menu
1095 (let ((menu (make-sparse-keymap mime-view-menu-title)))
1099 (list (intern (nth 1 item)) 'menu-item
1100 (nth 1 item)(nth 2 item))
1102 mime-view-menu-list))))
1103 (defun mime-view-popup-menu (event)
1104 "Popup the menu in the MIME Viewer buffer"
1106 (let ((menu mime-view-popup-menu) events func)
1107 (setq events (x-popup-menu t menu))
1109 (setq func (lookup-key menu (apply #'vector events)))
1112 (defvar mouse-button-2 [mouse-2])
1115 (defun mime-view-define-keymap (&optional default)
1116 (let ((mime-view-mode-map (if (keymapp default)
1117 (copy-keymap default)
1118 (make-sparse-keymap)
1120 (define-key mime-view-mode-map
1121 "u" (function mime-preview-move-to-upper))
1122 (define-key mime-view-mode-map
1123 "p" (function mime-preview-move-to-previous))
1124 (define-key mime-view-mode-map
1125 "n" (function mime-preview-move-to-next))
1126 (define-key mime-view-mode-map
1127 "\e\t" (function mime-preview-move-to-previous))
1128 (define-key mime-view-mode-map
1129 "\t" (function mime-preview-move-to-next))
1130 (define-key mime-view-mode-map
1131 " " (function mime-preview-scroll-up-entity))
1132 (define-key mime-view-mode-map
1133 "\M- " (function mime-preview-scroll-down-entity))
1134 (define-key mime-view-mode-map
1135 "\177" (function mime-preview-scroll-down-entity))
1136 (define-key mime-view-mode-map
1137 "\C-m" (function mime-preview-next-line-entity))
1138 (define-key mime-view-mode-map
1139 "\C-\M-m" (function mime-preview-previous-line-entity))
1140 (define-key mime-view-mode-map
1141 "v" (function mime-preview-play-current-entity))
1142 (define-key mime-view-mode-map
1143 "e" (function mime-preview-extract-current-entity))
1144 (define-key mime-view-mode-map
1145 "\C-c\C-p" (function mime-preview-print-current-entity))
1147 (define-key mime-view-mode-map
1148 "\C-c\C-t\C-f" (function mime-preview-toggle-header))
1149 (define-key mime-view-mode-map
1150 "\C-c\C-th" (function mime-preview-toggle-header))
1151 (define-key mime-view-mode-map
1152 "\C-c\C-t\C-c" (function mime-preview-toggle-content))
1154 (define-key mime-view-mode-map
1155 "\C-c\C-v\C-f" (function mime-preview-show-header))
1156 (define-key mime-view-mode-map
1157 "\C-c\C-vh" (function mime-preview-show-header))
1158 (define-key mime-view-mode-map
1159 "\C-c\C-v\C-c" (function mime-preview-show-content))
1161 (define-key mime-view-mode-map
1162 "\C-c\C-d\C-f" (function mime-preview-hide-header))
1163 (define-key mime-view-mode-map
1164 "\C-c\C-dh" (function mime-preview-hide-header))
1165 (define-key mime-view-mode-map
1166 "\C-c\C-d\C-c" (function mime-preview-hide-content))
1168 (define-key mime-view-mode-map
1169 "a" (function mime-preview-follow-current-entity))
1170 (define-key mime-view-mode-map
1171 "q" (function mime-preview-quit))
1172 (define-key mime-view-mode-map
1173 "\C-c\C-x" (function mime-preview-kill-buffer))
1174 ;; (define-key mime-view-mode-map
1175 ;; "<" (function beginning-of-buffer))
1176 ;; (define-key mime-view-mode-map
1177 ;; ">" (function end-of-buffer))
1178 (define-key mime-view-mode-map
1179 "?" (function describe-mode))
1180 (define-key mime-view-mode-map
1181 [tab] (function mime-preview-move-to-next))
1182 (define-key mime-view-mode-map
1183 [delete] (function mime-preview-scroll-down-entity))
1184 (define-key mime-view-mode-map
1185 [backspace] (function mime-preview-scroll-down-entity))
1186 (if (functionp default)
1187 (cond ((featurep 'xemacs)
1188 (set-keymap-default-binding mime-view-mode-map default)
1191 (setq mime-view-mode-map
1192 (append mime-view-mode-map (list (cons t default))))
1195 (define-key mime-view-mode-map
1196 mouse-button-2 (function mime-button-dispatcher))
1198 (cond ((featurep 'xemacs)
1199 (define-key mime-view-mode-map
1200 mouse-button-3 (function mime-view-xemacs-popup-menu))
1202 ((>= emacs-major-version 19)
1203 (define-key mime-view-mode-map
1204 mouse-button-3 (function mime-view-popup-menu))
1205 (define-key mime-view-mode-map [menu-bar mime-view]
1206 (cons mime-view-menu-title
1207 (make-sparse-keymap mime-view-menu-title)))
1210 (define-key mime-view-mode-map
1211 (vector 'menu-bar 'mime-view (car item))
1212 (cons (nth 1 item)(nth 2 item))
1215 (reverse mime-view-menu-list)
1218 (use-local-map mime-view-mode-map)
1219 (run-hooks 'mime-view-define-keymap-hook)
1222 (defsubst mime-maybe-hide-echo-buffer ()
1223 "Clear mime-echo buffer and delete window for it."
1224 (let ((buf (get-buffer mime-echo-buffer-name)))
1229 (let ((win (get-buffer-window buf)))
1236 (defvar mime-view-redisplay nil)
1239 (defun mime-display-message (message &optional preview-buffer
1240 mother default-keymap-or-function
1241 original-major-mode)
1242 "View MESSAGE in MIME-View mode.
1244 Optional argument PREVIEW-BUFFER specifies the buffer of the
1245 presentation. It must be either nil or a name of preview buffer.
1247 Optional argument MOTHER specifies mother-buffer of the preview-buffer.
1249 Optional argument DEFAULT-KEYMAP-OR-FUNCTION is nil, keymap or
1250 function. If it is a keymap, keymap of MIME-View mode will be added
1251 to it. If it is a function, it will be bound as default binding of
1252 keymap of MIME-View mode."
1253 (mime-maybe-hide-echo-buffer)
1254 (let ((win-conf (current-window-configuration)))
1256 (setq preview-buffer
1257 (concat "*Preview-" (mime-entity-name message) "*")))
1258 (or original-major-mode
1259 (setq original-major-mode major-mode))
1260 (let ((inhibit-read-only t))
1261 (set-buffer (get-buffer-create preview-buffer))
1265 (setq mime-mother-buffer mother)
1267 (setq mime-preview-original-window-configuration win-conf)
1268 (setq major-mode 'mime-view-mode)
1269 (setq mode-name "MIME-View")
1270 (mime-display-entity message nil
1271 `((entity-button . invisible)
1273 (major-mode . ,original-major-mode))
1275 (mime-view-define-keymap default-keymap-or-function)
1277 (next-single-property-change (point-min) 'mime-view-entity)))
1280 (goto-char (point-min))
1281 (search-forward "\n\n" nil t)
1283 (run-hooks 'mime-view-mode-hook)
1284 (set-buffer-modified-p nil)
1285 (setq buffer-read-only t)
1289 (defun mime-view-buffer (&optional raw-buffer preview-buffer mother
1290 default-keymap-or-function
1291 representation-type)
1292 "View RAW-BUFFER in MIME-View mode.
1293 Optional argument PREVIEW-BUFFER is either nil or a name of preview
1295 Optional argument DEFAULT-KEYMAP-OR-FUNCTION is nil, keymap or
1296 function. If it is a keymap, keymap of MIME-View mode will be added
1297 to it. If it is a function, it will be bound as default binding of
1298 keymap of MIME-View mode.
1299 Optional argument REPRESENTATION-TYPE is representation-type of
1300 message. It must be nil, `binary' or `cooked'. If it is nil,
1301 `cooked' is used as default."
1304 (setq raw-buffer (current-buffer)))
1305 (or representation-type
1306 (setq representation-type
1308 (set-buffer raw-buffer)
1309 (cdr (or (assq major-mode mime-raw-representation-type-alist)
1310 (assq t mime-raw-representation-type-alist)))
1312 (if (eq representation-type 'binary)
1313 (setq representation-type 'buffer)
1315 (setq preview-buffer (mime-display-message
1316 (mime-open-entity representation-type raw-buffer)
1317 preview-buffer mother default-keymap-or-function))
1318 (or (get-buffer-window preview-buffer)
1319 (let ((r-win (get-buffer-window raw-buffer)))
1321 (set-window-buffer r-win preview-buffer)
1322 (let ((m-win (and mother (get-buffer-window mother))))
1324 (set-window-buffer m-win preview-buffer)
1325 (switch-to-buffer preview-buffer)
1328 (defun mime-view-mode (&optional mother ctl encoding
1329 raw-buffer preview-buffer
1330 default-keymap-or-function)
1331 "Major mode for viewing MIME message.
1333 Here is a list of the standard keys for mime-view-mode.
1338 u Move to upper content
1339 p or M-TAB Move to previous content
1340 n or TAB Move to next content
1341 SPC Scroll up or move to next content
1342 M-SPC or DEL Scroll down or move to previous content
1343 RET Move to next line
1344 M-RET Move to previous line
1345 v Decode current content as `play mode'
1346 e Decode current content as `extract mode'
1347 C-c C-p Decode current content as `print mode'
1348 a Followup to current content.
1350 button-2 Move to point under the mouse cursor
1351 and decode current content as `play mode'
1354 (unless mime-view-redisplay
1356 (if raw-buffer (set-buffer raw-buffer))
1359 (or (assq major-mode mime-raw-representation-type-alist)
1360 (assq t mime-raw-representation-type-alist)))))
1361 (if (eq type 'binary)
1364 (setq mime-message-structure (mime-open-entity type raw-buffer))
1365 (or (mime-entity-content-type mime-message-structure)
1366 (mime-entity-set-content-type mime-message-structure ctl))
1368 (or (mime-entity-encoding mime-message-structure)
1369 (mime-entity-set-encoding mime-message-structure encoding))
1371 (mime-display-message mime-message-structure preview-buffer
1372 mother default-keymap-or-function)
1379 (defun mime-preview-find-boundary-info (&optional get-mother)
1380 "Return boundary information of current part.
1381 If GET-MOTHER, refer boundary surrounding current part and its branches."
1385 (while (null (setq entity
1386 (get-text-property (point) 'mime-view-entity)))
1388 (setq p-beg (previous-single-property-change (point) 'mime-view-entity))
1389 (setq entity-node-id (mime-entity-node-id entity))
1390 (setq len (length entity-node-id))
1393 (if (eq (next-single-property-change (point-min)
1399 ((eq (next-single-property-change p-beg 'mime-view-entity)
1401 (setq p-beg (point))
1403 (setq p-end (next-single-property-change p-beg 'mime-view-entity))
1405 (setq p-end (point-max))
1407 ((null entity-node-id)
1408 (setq p-end (point-max))
1415 (next-single-property-change
1416 (point) 'mime-view-entity))
1418 (let ((rc (mime-entity-node-id
1419 (get-text-property (point)
1420 'mime-view-entity))))
1421 (or (and (>= (setq i (- (length rc) len)) 0)
1422 (equal entity-node-id (nthcdr i rc)))
1424 (setq p-end (or (next-single-property-change
1425 (point) 'mime-view-entity)
1427 (setq p-end (point-max))))
1429 (vector p-beg p-end entity)))
1435 (autoload 'mime-preview-play-current-entity "mime-play"
1436 "Play current entity." t)
1438 (defun mime-preview-extract-current-entity (&optional ignore-examples)
1439 "Extract current entity into file (maybe).
1440 It decodes current entity to call internal or external method as
1441 \"extract\" mode. The method is selected from variable
1442 `mime-acting-condition'."
1444 (mime-preview-play-current-entity ignore-examples "extract")
1447 (defun mime-preview-print-current-entity (&optional ignore-examples)
1448 "Print current entity (maybe).
1449 It decodes current entity to call internal or external method as
1450 \"print\" mode. The method is selected from variable
1451 `mime-acting-condition'."
1453 (mime-preview-play-current-entity ignore-examples "print")
1460 (defun mime-preview-follow-current-entity ()
1461 "Write follow message to current entity.
1462 It calls following-method selected from variable
1463 `mime-preview-following-method-alist'."
1465 (let ((entity (mime-preview-find-boundary-info t))
1468 (setq p-beg (aref entity 0)
1469 p-end (aref entity 1)
1470 entity (aref entity 2))
1471 (if (get-text-property p-beg 'mime-view-entity-body)
1474 (next-single-property-change
1475 p-beg 'mime-view-entity-body nil
1476 (or (next-single-property-change p-beg 'mime-view-entity)
1478 (let* ((mode (mime-preview-original-major-mode 'recursive))
1479 (entity-node-id (mime-entity-node-id entity))
1481 (format "%s-%s" (buffer-name) (reverse entity-node-id)))
1483 (the-buf (current-buffer))
1486 (set-buffer (setq new-buf (get-buffer-create new-name)))
1489 (insert-buffer-substring the-buf pb-beg p-end)
1490 (goto-char (point-min))
1491 (let ((current-entity
1492 (if (and (eq (mime-entity-media-type entity) 'message)
1493 (eq (mime-entity-media-subtype entity) 'rfc822))
1494 (car (mime-entity-children entity))
1496 (while (and current-entity
1497 (if (and (eq (mime-entity-media-type
1498 current-entity) 'message)
1499 (eq (mime-entity-media-subtype
1500 current-entity) 'rfc822))
1502 (mime-insert-header current-entity fields)
1504 (setq fields (std11-collect-field-names)
1505 current-entity (mime-entity-parent current-entity))
1507 (let ((rest mime-view-following-required-fields-list)
1510 (setq field-name (car rest))
1511 (or (std11-field-body field-name)
1514 (set-buffer the-buf)
1515 (let ((entity (when mime-mother-buffer
1516 (set-buffer mime-mother-buffer)
1517 (get-text-property (point)
1518 'mime-view-entity))))
1520 (null (setq ret (mime-entity-fetch-field
1521 entity field-name))))
1522 (setq entity (mime-entity-parent entity)))))
1524 (insert (concat field-name ": " ret "\n"))
1526 (setq rest (cdr rest))
1529 (let ((f (cdr (assq mode mime-preview-following-method-alist))))
1534 "Sorry, following method for %s is not implemented yet."
1543 (defun mime-preview-move-to-upper ()
1544 "Move to upper entity.
1545 If there is no upper entity, call function `mime-preview-quit'."
1548 (while (null (setq cinfo
1549 (get-text-property (point) 'mime-view-entity)))
1552 (let ((r (mime-entity-parent cinfo))
1555 (while (setq point (previous-single-property-change
1556 (point) 'mime-view-entity))
1558 (when (eq r (get-text-property (point) 'mime-view-entity))
1559 (if (or (eq mime-preview-move-scroll t)
1560 (and mime-preview-move-scroll
1563 (move-to-window-line -1)
1564 (forward-line (* -1 next-screen-context-lines))
1567 (recenter next-screen-context-lines))
1574 (defun mime-preview-move-to-previous ()
1575 "Move to previous entity.
1576 If there is no previous entity, it calls function registered in
1577 variable `mime-preview-over-to-previous-method-alist'."
1579 (while (and (not (bobp))
1580 (null (get-text-property (point) 'mime-view-entity)))
1583 (let ((point (previous-single-property-change (point) 'mime-view-entity)))
1585 (>= point (point-min)))
1586 (if (get-text-property (1- point) 'mime-view-entity)
1587 (progn (goto-char point)
1589 (or (eq mime-preview-move-scroll t)
1590 (and mime-preview-move-scroll
1593 (move-to-window-line 0)
1594 (forward-line next-screen-context-lines)
1597 (recenter (* -1 next-screen-context-lines))))
1598 (goto-char (1- point))
1599 (mime-preview-move-to-previous)
1601 (let ((f (assq (mime-preview-original-major-mode)
1602 mime-preview-over-to-previous-method-alist)))
1608 (defun mime-preview-move-to-next ()
1609 "Move to next entity.
1610 If there is no previous entity, it calls function registered in
1611 variable `mime-preview-over-to-next-method-alist'."
1613 (while (and (not (eobp))
1614 (null (get-text-property (point) 'mime-view-entity)))
1617 (let ((point (next-single-property-change (point) 'mime-view-entity)))
1619 (<= point (point-max)))
1622 (if (null (get-text-property point 'mime-view-entity))
1623 (mime-preview-move-to-next)
1625 (or (eq mime-preview-move-scroll t)
1626 (and mime-preview-move-scroll
1629 (move-to-window-line -1)
1631 (* -1 next-screen-context-lines))
1634 (recenter next-screen-context-lines))
1636 (let ((f (assq (mime-preview-original-major-mode)
1637 mime-preview-over-to-next-method-alist)))
1643 (defun mime-preview-scroll-up-entity (&optional h)
1644 "Scroll up current entity.
1645 If reached to (point-max), it calls function registered in variable
1646 `mime-preview-over-to-next-method-alist'."
1649 (let ((f (assq (mime-preview-original-major-mode)
1650 mime-preview-over-to-next-method-alist)))
1655 (or (next-single-property-change (point) 'mime-view-entity)
1657 (bottom (window-end (selected-window))))
1660 (progn (goto-char point)
1661 (recenter next-screen-context-lines))
1665 (goto-char (point-max)))))
1668 (defun mime-preview-scroll-down-entity (&optional h)
1669 "Scroll down current entity.
1670 If reached to (point-min), it calls function registered in variable
1671 `mime-preview-over-to-previous-method-alist'."
1674 (let ((f (assq (mime-preview-original-major-mode)
1675 mime-preview-over-to-previous-method-alist)))
1680 (or (previous-single-property-change (point) 'mime-view-entity)
1682 (top (window-start (selected-window))))
1685 (progn (goto-char point)
1686 (recenter (* -1 next-screen-context-lines)))
1689 (beginning-of-buffer
1690 (goto-char (point-min)))))
1693 (defun mime-preview-next-line-entity (&optional lines)
1694 "Scroll up one line (or prefix LINES lines).
1695 If LINES is negative, scroll down LINES lines."
1697 (mime-preview-scroll-up-entity (or lines 1))
1700 (defun mime-preview-previous-line-entity (&optional lines)
1701 "Scrroll down one line (or prefix LINES lines).
1702 If LINES is negative, scroll up LINES lines."
1704 (mime-preview-scroll-down-entity (or lines 1))
1711 (defun mime-preview-toggle-display (type &optional display)
1712 (let ((situation (mime-preview-find-boundary-info))
1713 (sym (intern (concat "*" (symbol-name type))))
1715 (setq p-beg (aref situation 0)
1716 p-end (aref situation 1)
1717 entity (aref situation 2)
1718 situation (get-text-property p-beg 'mime-view-situation))
1719 (cond ((eq display 'invisible)
1724 (eq (cdr (or (assq sym situation)
1725 (assq type situation)))
1727 (setq situation (put-alist sym (if display
1732 (let ((inhibit-read-only t))
1733 (delete-region p-beg p-end)
1734 (mime-display-entity entity situation)))
1735 (let ((ret (assoc situation mime-preview-situation-example-list)))
1737 (setcdr ret (1+ (cdr ret)))
1738 (add-to-list 'mime-preview-situation-example-list
1739 (cons situation 0))))))
1741 (defun mime-preview-toggle-header (&optional force-visible)
1743 (mime-preview-toggle-display 'header force-visible))
1745 (defun mime-preview-toggle-content (&optional force-visible)
1747 (mime-preview-toggle-display 'body force-visible))
1749 (defun mime-preview-show-header ()
1751 (mime-preview-toggle-display 'header 'visible))
1753 (defun mime-preview-show-content ()
1755 (mime-preview-toggle-display 'body 'visible))
1757 (defun mime-preview-hide-header ()
1759 (mime-preview-toggle-display 'header 'invisible))
1761 (defun mime-preview-hide-content ()
1763 (mime-preview-toggle-display 'body 'invisible))
1769 (defun mime-preview-quit ()
1770 "Quit from MIME-preview buffer.
1771 It calls function registered in variable
1772 `mime-preview-quitting-method-alist'."
1774 (let ((r (assq (mime-preview-original-major-mode)
1775 mime-preview-quitting-method-alist)))
1780 (defun mime-preview-kill-buffer ()
1782 (kill-buffer (current-buffer))
1789 (provide 'mime-view)
1791 (let ((file mime-situation-examples-file))
1792 (if (file-readable-p file)
1794 (insert-file-contents file)
1795 (setq mime-situation-examples-file-coding-system
1797 ((boundp 'buffer-file-coding-system)
1798 (symbol-value 'buffer-file-coding-system))
1799 ((boundp 'file-coding-system)
1800 (symbol-value 'file-coding-system))
1806 (while (and (> (length mime-preview-situation-example-list)
1807 mime-preview-situation-example-list-max-size)
1809 (setq mime-preview-situation-example-list
1810 (mime-reduce-situation-examples
1811 mime-preview-situation-example-list))
1813 (error (setq mime-preview-situation-example-list nil)))
1814 ;; (let ((rest mime-preview-situation-example-list))
1816 ;; (ctree-set-calist-strictly 'mime-preview-condition
1818 ;; (setq rest (cdr rest))))
1821 (while (and (> (length mime-acting-situation-example-list)
1822 mime-acting-situation-example-list-max-size)
1824 (setq mime-acting-situation-example-list
1825 (mime-reduce-situation-examples
1826 mime-acting-situation-example-list))
1828 (error (setq mime-acting-situation-example-list nil))))))
1830 ;;; mime-view.el ends here