1 ;;; mime-play.el --- Playback processing module for mime-view.el
3 ;; Copyright (C) 1994,1995,1996,1997,1998 Free Software Foundation, Inc.
5 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
6 ;; Created: 1995/9/26 (separated from tm-view.el)
7 ;; Renamed: 1997/2/21 from tm-play.el
8 ;; Keywords: MIME, multimedia, mail, news
10 ;; This file is part of SEMI (Secretariat of Emacs MIME Interfaces).
12 ;; This program is free software; you can redistribute it and/or
13 ;; modify it under the terms of the GNU General Public License as
14 ;; published by the Free Software Foundation; either version 2, or (at
15 ;; your option) any later version.
17 ;; This program is distributed in the hope that it will be useful, but
18 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 ;; General Public License for more details.
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with GNU Emacs; see the file COPYING. If not, write to the
24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
25 ;; Boston, MA 02111-1307, USA.
33 (eval-when-compile (require 'mime-text))
36 (defvar mime-acting-situation-examples nil)
38 (defun mime-save-acting-situation-examples ()
39 (let* ((file mime-acting-situation-examples-file)
40 (buffer (get-buffer-create " *mime-example*")))
44 (setq buffer-file-name file)
46 (insert ";;; " (file-name-nondirectory file) "\n")
47 (insert "\n;; This file is generated automatically by "
48 mime-view-version-string "\n\n")
49 (insert ";;; Code:\n\n")
50 (pp `(setq mime-acting-situation-examples
51 ',mime-acting-situation-examples)
54 (file-name-nondirectory file)
57 (kill-buffer buffer))))
59 (add-hook 'kill-emacs-hook 'mime-save-acting-situation-examples)
65 (defvar mime-preview-after-decoded-position nil)
67 (defun mime-preview-play-current-entity (&optional mode)
69 It decodes current entity to call internal or external method. The
70 method is selected from variable `mime-acting-condition'.
71 If MODE is specified, play as it. Default MODE is \"play\"."
75 (let ((entity-info (get-text-property (point) 'mime-view-entity)))
77 (let ((the-buf (current-buffer))
78 (raw-buffer (get-text-property (point) 'mime-view-raw-buffer)))
79 (setq mime-preview-after-decoded-position (point))
80 (set-buffer raw-buffer)
83 (mime-raw-play-entity entity-info mode))
84 (when (eq (current-buffer) raw-buffer)
86 (goto-char mime-preview-after-decoded-position)
89 (defun mime-sort-situation (situation)
100 (let ((ret (assq a-t order)))
102 (setq a-order (cdr ret))
108 (let ((ret (assq b-t order)))
110 (setq b-order (cdr ret))
115 (if (= a-order b-order)
116 (string< (format "%s" a-t)(format "%s" b-t))
121 (defun mime-raw-play-entity (entity-info &optional mode)
122 "Play entity specified by ENTITY-INFO.
123 It decodes the entity to call internal or external method. The method
124 is selected from variable `mime-acting-condition'. If MODE is
125 specified, play as it. Default MODE is \"play\"."
126 (let ((beg (mime-entity-point-min entity-info))
127 (end (mime-entity-point-max entity-info))
128 (content-type (mime-entity-content-type entity-info))
129 (encoding (mime-entity-encoding entity-info)))
131 (setq content-type (make-mime-content-type 'text 'plain)))
132 (let (method cal ret)
133 (setq cal (list* (cons 'major-mode major-mode)
134 (cons 'encoding encoding)
137 (setq cal (cons (cons 'mode mode) cal))
140 (or (ctree-match-calist mime-acting-situation-examples cal)
141 (ctree-match-calist-partially mime-acting-situation-examples
145 (or (ctree-find-calist mime-acting-condition ret
146 mime-view-find-every-acting-situation)
147 (ctree-find-calist mime-acting-condition cal
148 mime-view-find-every-acting-situation)
151 (setq ret (select-menu-alist
157 (cdr (assq 'method situation)))
160 (setq ret (mime-sort-situation ret))
161 (ctree-set-calist-strictly 'mime-acting-situation-examples ret)
166 (setq method (cdr (assq 'method ret)))
167 (cond ((and (symbolp method)
169 (funcall method beg end ret)
172 (mime-activate-mailcap-method beg end ret)
174 ((and (listp method)(stringp (car method)))
175 (mime-activate-external-method beg end ret)
178 (mime-show-echo-buffer
179 "No method are specified for %s\n"
180 (mime-type/subtype-string
181 (mime-content-type-primary-type content-type)
182 (mime-content-type-subtype content-type))
187 ;;; @ external decoder
190 (defvar mime-mailcap-method-filename-alist nil)
192 (defun mime-activate-mailcap-method (start end situation)
195 (narrow-to-region start end)
197 (let ((method (cdr (assoc 'method situation)))
198 (name (expand-file-name (mime-raw-get-filename situation)
199 mime-temp-directory)))
200 (mime-write-decoded-region (if (re-search-forward "^$" end t)
204 (cdr (assq 'encoding situation)))
205 (message "External method is starting...")
208 (mailcap-format-command
210 (cons (cons 'filename name) situation))))
211 (start-process command mime-echo-buffer-name
212 shell-file-name shell-command-switch command)
214 (set-alist 'mime-mailcap-method-filename-alist process name)
215 (set-process-sentinel process 'mime-mailcap-method-sentinel)
217 ;;(mime-show-echo-buffer)
220 (defun mime-mailcap-method-sentinel (process event)
221 (let ((file (cdr (assq process mime-mailcap-method-filename-alist))))
222 (if (file-exists-p file)
225 (remove-alist 'mime-mailcap-method-filename-alist process)
226 (message (format "%s %s" process event)))
228 (defun mime-activate-external-method (beg end cal)
231 (narrow-to-region beg end)
233 (let ((method (cdr (assoc 'method cal)))
234 (name (mime-raw-get-filename cal))
237 (let ((file (make-temp-name
238 (expand-file-name "TM" mime-temp-directory)))
243 (if (re-search-forward "^$" nil t)
249 (write-region b end file)
250 (message "External method is starting...")
252 'name (replace-as-filename name) cal))
253 (setq cal (put-alist 'file file cal))
256 mime-echo-buffer-name (car method)
258 (mime-make-external-method-args
259 cal (cdr (cdr method)))
261 (apply (function start-process) args)
262 (mime-show-echo-buffer)
266 (defun mime-make-external-method-args (cal format)
271 (let* ((item (eval arg))
272 (ret (cdr (assoc item cal)))
276 (if (eq item 'encoding)
283 (defvar mime-echo-window-is-shared-with-bbdb t
284 "*If non-nil, mime-echo window is shared with BBDB window.")
286 (defvar mime-echo-window-height
289 (/ (window-height) 5)
291 "*Size of mime-echo window.
292 It allows function or integer. If it is function,
293 `mime-show-echo-buffer' calls it to get height of mime-echo window.
294 Otherwise `mime-show-echo-buffer' uses it as height of mime-echo
297 (defun mime-show-echo-buffer (&rest forms)
298 "Show mime-echo buffer to display MIME-playing information."
299 (get-buffer-create mime-echo-buffer-name)
300 (let ((the-win (selected-window))
301 (win (get-buffer-window mime-echo-buffer-name))
304 (if (and mime-echo-window-is-shared-with-bbdb
305 (boundp 'bbdb-buffer-name)
306 (setq win (get-buffer-window bbdb-buffer-name))
308 (set-window-buffer win mime-echo-buffer-name)
309 (select-window (get-buffer-window mime-preview-buffer))
310 (setq win (split-window-vertically
312 (if (functionp mime-echo-window-height)
313 (funcall mime-echo-window-height)
314 mime-echo-window-height)
316 (set-window-buffer win mime-echo-buffer-name)
319 (goto-char (point-max))
321 (insert (apply (function format) forms))
323 (select-window the-win)
330 (defvar mime-view-file-name-char-regexp "[A-Za-z0-9+_-]")
332 (defvar mime-view-file-name-regexp-1
333 (concat mime-view-file-name-char-regexp "+\\."
334 mime-view-file-name-char-regexp "+"))
336 (defvar mime-view-file-name-regexp-2
337 (concat (regexp-* mime-view-file-name-char-regexp)
338 "\\(\\." mime-view-file-name-char-regexp "+\\)*"))
340 (defun mime-raw-get-original-filename (param)
341 (or (if (member (cdr (assq 'encoding param))
342 mime-view-uuencode-encoding-name-list)
343 (mime-raw-get-uu-filename))
345 (or (if (or (and (setq ret (mime-read-Content-Disposition))
349 (mime-content-disposition-parameters ret)))
351 (setq ret (assoc "name" param))
352 (setq ret (assoc "x-name" param))
354 (std11-strip-quoted-string (cdr ret))
357 (std11-find-field-body '("Content-Description"
359 (if (or (string-match mime-view-file-name-regexp-1 ret)
360 (string-match mime-view-file-name-regexp-2 ret))
361 (substring ret (match-beginning 0)(match-end 0))
366 (defun mime-raw-get-filename (param)
367 (replace-as-filename (mime-raw-get-original-filename param))
371 ;;; @ file extraction
374 (defun mime-method-to-save (beg end cal)
378 (narrow-to-region beg end)
379 (mime-raw-get-filename cal)
381 (encoding (or (cdr (assq 'encoding cal)) "7bit"))
383 (if (and name (not (string-equal name "")))
384 (expand-file-name name
385 (save-window-excursion
389 (interactive "DDirectory: ")
391 (save-window-excursion
395 (interactive "FFilename: ")
396 (expand-file-name file)))))))
398 (if (file-exists-p filename)
399 (or (yes-or-no-p (format "File %s exists. Save anyway? " filename))
401 (re-search-forward "\n\n")
402 (mime-write-decoded-region (match-end 0) end filename encoding)
406 ;;; @ mail/news message
409 (defun mime-preview-quitting-method-for-mime-show-message-mode ()
410 "Quitting method for mime-view.
411 It is registered to variable `mime-preview-quitting-method-alist'."
412 (let ((mother mime-mother-buffer)
413 (win-conf mime-preview-original-window-configuration)
415 (kill-buffer mime-raw-buffer)
416 (mime-preview-kill-buffer)
417 (set-window-configuration win-conf)
418 (pop-to-buffer mother)
421 (defun mime-method-to-display-message/rfc822 (beg end cal)
422 (let* ((cnum (mime-raw-point-to-entity-number beg))
423 (new-name (format "%s-%s" (buffer-name) cnum))
424 (mother mime-preview-buffer)
426 (cdr (or (assq major-mode mime-text-decoder-alist)
427 (assq t mime-text-decoder-alist))))
429 (setq str (buffer-substring beg end))
430 (switch-to-buffer new-name)
433 (goto-char (point-min))
434 (if (re-search-forward "^\n" nil t)
435 (delete-region (point-min) (match-end 0))
437 (setq major-mode 'mime-show-message-mode)
438 (setq mime-text-decoder text-decoder)
439 (mime-view-mode mother)
443 ;;; @ message/partial
446 (defun mime-raw-write-region (start end filename)
447 "Write current region into specified file.
448 When called from a program, takes three arguments:
449 START, END and FILENAME. START and END are buffer positions.
450 It refer `mime-raw-buffer-coding-system-alist' to choose coding-system
452 (let ((coding-system-for-write
454 (or (assq major-mode mime-raw-buffer-coding-system-alist)
455 (assq t mime-raw-buffer-coding-system-alist)
457 (write-region start end filename)
460 (defun mime-method-to-store-message/partial (beg end cal)
464 (concat "m-prts-" (user-login-name)) mime-temp-directory))
465 (id (cdr (assoc "id" cal)))
466 (number (cdr (assoc "number" cal)))
467 (total (cdr (assoc "total" cal)))
469 (mother mime-preview-buffer)
471 (or (file-exists-p root-dir)
472 (make-directory root-dir)
474 (setq id (replace-as-filename id))
475 (setq root-dir (concat root-dir "/" id))
476 (or (file-exists-p root-dir)
477 (make-directory root-dir)
479 (setq file (concat root-dir "/FULL"))
480 (if (file-exists-p file)
481 (let ((full-buf (get-buffer-create "FULL"))
482 (pwin (or (get-buffer-window mother)
483 (get-largest-window)))
485 (save-window-excursion
486 (set-buffer full-buf)
488 (as-binary-input-file (insert-file-contents file))
489 (setq major-mode 'mime-show-message-mode)
490 (mime-view-mode mother)
492 (set-window-buffer pwin
494 (set-buffer full-buf)
495 mime-preview-buffer))
498 (re-search-forward "^$")
499 (goto-char (1+ (match-end 0)))
500 (setq file (concat root-dir "/" number))
501 (mime-raw-write-region (point) end file)
502 (let ((total-file (concat root-dir "/CT")))
506 (or (file-exists-p total-file)
509 (get-buffer-create mime-temp-buffer-name))
512 (write-region (point-min)(point-max) total-file)
513 (kill-buffer (current-buffer))
515 (string-to-number total)
517 (and (file-exists-p total-file)
519 (set-buffer (find-file-noselect total-file))
521 (and (re-search-forward "[0-9]+" nil t)
523 (buffer-substring (match-beginning 0)
526 (kill-buffer (current-buffer))
529 (if (and total (> total 0))
532 (set-buffer (get-buffer-create mime-temp-buffer-name))
533 (let ((full-buf (current-buffer)))
537 (setq file (concat root-dir "/" (int-to-string i)))
538 (or (file-exists-p file)
541 (as-binary-input-file (insert-file-contents file))
542 (goto-char (point-max))
545 (as-binary-output-file
546 (write-region (point-min)(point-max)
547 (expand-file-name "FULL" root-dir)))
550 (let ((file (format "%s/%d" root-dir i)))
551 (and (file-exists-p file)
556 (let ((file (expand-file-name "CT" root-dir)))
557 (and (file-exists-p file)
560 (save-window-excursion
561 (setq major-mode 'mime-show-message-mode)
562 (mime-view-mode mother)
564 (let ((pwin (or (get-buffer-window mother)
567 (pbuf (save-excursion
568 (set-buffer full-buf)
569 mime-preview-buffer)))
570 (set-window-buffer pwin pbuf)
576 ;;; @ message/external-body
579 (defvar mime-raw-dired-function
580 (if (and (>= emacs-major-version 19) window-system)
581 (function dired-other-frame)
582 (function mime-raw-dired-function-for-one-frame)
585 (defun mime-raw-dired-function-for-one-frame (dir)
586 (let ((win (or (get-buffer-window mime-preview-buffer)
587 (get-largest-window))))
592 (defun mime-method-to-display-message/external-ftp (beg end cal)
593 (let* ((site (cdr (assoc "site" cal)))
594 (directory (cdr (assoc "directory" cal)))
595 (name (cdr (assoc "name" cal)))
596 ;;(mode (cdr (assoc "mode" cal)))
597 (pathname (concat "/anonymous@" site ":" directory))
599 (message (concat "Accessing " (expand-file-name name pathname) "..."))
600 (funcall mime-raw-dired-function pathname)
601 (goto-char (point-min))
602 (search-forward name)
609 (defun mime-method-to-display-caesar (start end cal)
610 "Internal method for mime-view to display ROT13-47-48 message."
611 (let* ((cnum (mime-raw-point-to-entity-number start))
612 (new-name (format "%s-%s" (buffer-name) cnum))
613 (the-buf (current-buffer))
614 (mother mime-preview-buffer)
615 (charset (cdr (assoc "charset" cal)))
616 (encoding (cdr (assq 'encoding cal)))
619 (let ((pwin (or (get-buffer-window mother)
620 (get-largest-window)))
621 (buf (get-buffer-create new-name))
623 (set-window-buffer pwin buf)
627 (setq buffer-read-only nil)
629 (insert-buffer-substring the-buf start end)
630 (goto-char (point-min))
631 (if (re-search-forward "^\n" nil t)
632 (delete-region (point-min) (match-end 0))
634 (let ((m (cdr (or (assq mode mime-text-decoder-alist)
635 (assq t mime-text-decoder-alist)))))
637 (funcall m charset encoding)
639 (mule-caesar-region (point-min) (point-max))
640 (set-buffer-modified-p nil)
642 (view-buffer new-name)
651 (let* ((file mime-acting-situation-examples-file)
652 (buffer (get-buffer-create " *mime-example*")))
653 (if (file-readable-p file)
658 (insert-file-contents file)
659 (eval-current-buffer)
661 (or (eq (car mime-acting-situation-examples) 'type)
662 (setq mime-acting-situation-examples nil))
664 (kill-buffer buffer))))
666 ;;; mime-play.el ends here