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)
81 (mime-raw-play-entity entity-info mode)
82 (when (eq (current-buffer) raw-buffer)
84 (goto-char mime-preview-after-decoded-position)
87 (defun mime-raw-play-entity (entity-info &optional mode)
88 "Play entity specified by ENTITY-INFO.
89 It decodes the entity to call internal or external method. The method
90 is selected from variable `mime-acting-condition'. If MODE is
91 specified, play as it. Default MODE is \"play\"."
92 (let ((beg (mime-entity-point-min entity-info))
93 (end (mime-entity-point-max entity-info))
94 (c-type (mime-entity-media-type entity-info))
95 (c-subtype (mime-entity-media-subtype entity-info))
96 (params (mime-entity-parameters entity-info))
97 (encoding (mime-entity-encoding entity-info))
103 (if (< beg (point-min))
104 (setq beg (point-min))
106 (if (< (point-max) end)
107 (setq end (point-max))
109 (let (method cal ret)
110 (setq cal (list* (cons 'type c-type)
111 (cons 'subtype c-subtype)
112 (cons 'encoding encoding)
113 (cons 'major-mode major-mode)
116 (setq cal (cons (cons 'mode mode) cal))
119 (or (ctree-match-calist mime-acting-situation-examples cal)
120 (ctree-match-calist-partially mime-acting-situation-examples
124 (or (ctree-find-calist mime-acting-condition ret
125 mime-view-find-every-acting-situation)
126 (ctree-find-calist mime-acting-condition cal
127 mime-view-find-every-acting-situation)
130 (setq ret (select-menu-alist
136 (cdr (assq 'method situation)))
150 (let ((ret (assq a-t order)))
152 (setq a-order (cdr ret))
158 (let ((ret (assq b-t order)))
160 (setq b-order (cdr ret))
165 (if (= a-order b-order)
166 (string< (format "%s" a-t)(format "%s" b-t))
169 (ctree-set-calist-strictly 'mime-acting-situation-examples ret)
174 (setq method (cdr (assq 'method ret)))
175 (cond ((and (symbolp method)
177 (funcall method beg end ret)
180 (mime-activate-mailcap-method beg end ret)
182 ((and (listp method)(stringp (car method)))
183 (mime-activate-external-method beg end ret)
186 (mime-show-echo-buffer
187 "No method are specified for %s\n"
188 (mime-type/subtype-string c-type c-subtype))
194 ;;; @ external decoder
197 (defun mime-activate-mailcap-method (start end situation)
200 (narrow-to-region start end)
202 (let ((method (cdr (assoc 'method situation)))
203 (name (mime-raw-get-filename situation)))
204 (mime-write-decoded-region (if (re-search-forward "^$" end t)
208 (cdr (assq 'encoding situation)))
209 (message "External method is starting...")
210 (let ((command (format method name)))
211 (start-process command mime-echo-buffer-name
212 shell-file-name shell-command-switch command)
214 (mime-show-echo-buffer)
217 (defun mime-activate-external-method (beg end cal)
220 (narrow-to-region beg end)
222 (let ((method (cdr (assoc 'method cal)))
223 (name (mime-raw-get-filename cal))
226 (let ((file (make-temp-name
227 (expand-file-name "TM" mime-temp-directory)))
232 (if (re-search-forward "^$" nil t)
238 (write-region b end file)
239 (message "External method is starting...")
241 'name (replace-as-filename name) cal))
242 (setq cal (put-alist 'file file cal))
245 mime-echo-buffer-name (car method)
247 (mime-make-external-method-args
248 cal (cdr (cdr method)))
250 (apply (function start-process) args)
251 (mime-show-echo-buffer)
255 (defun mime-make-external-method-args (cal format)
260 (let* ((item (eval arg))
261 (ret (cdr (assoc item cal)))
265 (if (eq item 'encoding)
272 (defvar mime-echo-window-is-shared-with-bbdb t
273 "*If non-nil, mime-echo window is shared with BBDB window.")
275 (defvar mime-echo-window-height
278 (/ (window-height) 5)
280 "*Size of mime-echo window.
281 It allows function or integer. If it is function,
282 `mime-show-echo-buffer' calls it to get height of mime-echo window.
283 Otherwise `mime-show-echo-buffer' uses it as height of mime-echo
286 (defun mime-show-echo-buffer (&rest forms)
287 "Show mime-echo buffer to display MIME-playing information."
288 (get-buffer-create mime-echo-buffer-name)
289 (let ((the-win (selected-window))
290 (win (get-buffer-window mime-echo-buffer-name))
293 (if (and mime-echo-window-is-shared-with-bbdb
294 (boundp 'bbdb-buffer-name)
295 (setq win (get-buffer-window bbdb-buffer-name))
297 (set-window-buffer win mime-echo-buffer-name)
298 (select-window (get-buffer-window mime-preview-buffer))
299 (setq win (split-window-vertically
301 (if (functionp mime-echo-window-height)
302 (funcall mime-echo-window-height)
303 mime-echo-window-height)
305 (set-window-buffer win mime-echo-buffer-name)
308 (goto-char (point-max))
310 (insert (apply (function format) forms))
312 (select-window the-win)
319 (defvar mime-view-file-name-char-regexp "[A-Za-z0-9+_-]")
321 (defvar mime-view-file-name-regexp-1
322 (concat mime-view-file-name-char-regexp "+\\."
323 mime-view-file-name-char-regexp "+"))
325 (defvar mime-view-file-name-regexp-2
326 (concat (regexp-* mime-view-file-name-char-regexp)
327 "\\(\\." mime-view-file-name-char-regexp "+\\)*"))
329 (defun mime-raw-get-original-filename (param &optional encoding)
330 (or (mime-raw-get-uu-filename param encoding)
332 (or (if (or (and (setq ret (mime/Content-Disposition))
333 (setq ret (assoc "filename" (cdr ret)))
335 (setq ret (assoc "name" param))
336 (setq ret (assoc "x-name" param))
338 (std11-strip-quoted-string (cdr ret))
341 (std11-find-field-body '("Content-Description"
343 (if (or (string-match mime-view-file-name-regexp-1 ret)
344 (string-match mime-view-file-name-regexp-2 ret))
345 (substring ret (match-beginning 0)(match-end 0))
350 (defun mime-raw-get-filename (param)
351 (replace-as-filename (mime-raw-get-original-filename param))
355 ;;; @ file extraction
358 (defun mime-method-to-save (beg end cal)
362 (narrow-to-region beg end)
363 (mime-raw-get-filename cal)
365 (encoding (or (cdr (assq 'encoding cal)) "7bit"))
367 (if (and name (not (string-equal name "")))
368 (expand-file-name name
369 (save-window-excursion
373 (interactive "DDirectory: ")
375 (save-window-excursion
379 (interactive "FFilename: ")
380 (expand-file-name file)))))))
382 (if (file-exists-p filename)
383 (or (yes-or-no-p (format "File %s exists. Save anyway? " filename))
385 (re-search-forward "\n\n")
386 (mime-write-decoded-region (match-end 0) end filename encoding)
390 ;;; @ mail/news message
393 (defun mime-preview-quitting-method-for-mime-show-message-mode ()
394 "Quitting method for mime-view.
395 It is registered to variable `mime-preview-quitting-method-alist'."
396 (let ((mother mime-mother-buffer)
397 (win-conf mime-preview-original-window-configuration)
399 (kill-buffer mime-raw-buffer)
400 (mime-preview-kill-buffer)
401 (set-window-configuration win-conf)
402 (pop-to-buffer mother)
405 (defun mime-method-to-display-message/rfc822 (beg end cal)
406 (let* ((cnum (mime-raw-point-to-entity-number beg))
407 (new-name (format "%s-%s" (buffer-name) cnum))
408 (mother mime-preview-buffer)
410 (cdr (or (assq major-mode mime-text-decoder-alist)
411 (assq t mime-text-decoder-alist))))
413 (setq str (buffer-substring beg end))
414 (switch-to-buffer new-name)
417 (goto-char (point-min))
418 (if (re-search-forward "^\n" nil t)
419 (delete-region (point-min) (match-end 0))
421 (setq major-mode 'mime-show-message-mode)
422 (setq mime-text-decoder text-decoder)
423 (mime-view-mode mother)
427 ;;; @ message/partial
430 (defun mime-raw-write-region (start end filename)
431 "Write current region into specified file.
432 When called from a program, takes three arguments:
433 START, END and FILENAME. START and END are buffer positions.
434 It refer `mime-raw-buffer-coding-system-alist' to choose coding-system
436 (let ((coding-system-for-write
438 (or (assq major-mode mime-raw-buffer-coding-system-alist)
439 (assq t mime-raw-buffer-coding-system-alist)
441 (write-region start end filename)
444 (defun mime-method-to-store-message/partial (beg end cal)
448 (concat "m-prts-" (user-login-name)) mime-temp-directory))
449 (id (cdr (assoc "id" cal)))
450 (number (cdr (assoc "number" cal)))
451 (total (cdr (assoc "total" cal)))
453 (mother mime-preview-buffer)
455 (or (file-exists-p root-dir)
456 (make-directory root-dir)
458 (setq id (replace-as-filename id))
459 (setq root-dir (concat root-dir "/" id))
460 (or (file-exists-p root-dir)
461 (make-directory root-dir)
463 (setq file (concat root-dir "/FULL"))
464 (if (file-exists-p file)
465 (let ((full-buf (get-buffer-create "FULL"))
466 (pwin (or (get-buffer-window mother)
467 (get-largest-window)))
469 (save-window-excursion
470 (set-buffer full-buf)
472 (as-binary-input-file (insert-file-contents file))
473 (setq major-mode 'mime-show-message-mode)
474 (mime-view-mode mother)
476 (set-window-buffer pwin
478 (set-buffer full-buf)
479 mime-preview-buffer))
482 (re-search-forward "^$")
483 (goto-char (1+ (match-end 0)))
484 (setq file (concat root-dir "/" number))
485 (mime-raw-write-region (point) end file)
486 (let ((total-file (concat root-dir "/CT")))
490 (or (file-exists-p total-file)
493 (get-buffer-create mime-temp-buffer-name))
496 (write-region (point-min)(point-max) total-file)
497 (kill-buffer (current-buffer))
499 (string-to-number total)
501 (and (file-exists-p total-file)
503 (set-buffer (find-file-noselect total-file))
505 (and (re-search-forward "[0-9]+" nil t)
507 (buffer-substring (match-beginning 0)
510 (kill-buffer (current-buffer))
513 (if (and total (> total 0))
516 (set-buffer (get-buffer-create mime-temp-buffer-name))
517 (let ((full-buf (current-buffer)))
521 (setq file (concat root-dir "/" (int-to-string i)))
522 (or (file-exists-p file)
525 (as-binary-input-file (insert-file-contents file))
526 (goto-char (point-max))
529 (as-binary-output-file
530 (write-region (point-min)(point-max)
531 (expand-file-name "FULL" root-dir)))
534 (let ((file (format "%s/%d" root-dir i)))
535 (and (file-exists-p file)
540 (let ((file (expand-file-name "CT" root-dir)))
541 (and (file-exists-p file)
544 (save-window-excursion
545 (setq major-mode 'mime-show-message-mode)
546 (mime-view-mode mother)
548 (let ((pwin (or (get-buffer-window mother)
551 (pbuf (save-excursion
552 (set-buffer full-buf)
553 mime-preview-buffer)))
554 (set-window-buffer pwin pbuf)
560 ;;; @ message/external-body
563 (defvar mime-raw-dired-function
564 (if mime/use-multi-frame
565 (function dired-other-frame)
566 (function mime-raw-dired-function-for-one-frame)
569 (defun mime-raw-dired-function-for-one-frame (dir)
570 (let ((win (or (get-buffer-window mime-preview-buffer)
571 (get-largest-window))))
576 (defun mime-method-to-display-message/external-ftp (beg end cal)
577 (let* ((site (cdr (assoc "site" cal)))
578 (directory (cdr (assoc "directory" cal)))
579 (name (cdr (assoc "name" cal)))
580 ;;(mode (cdr (assoc "mode" cal)))
581 (pathname (concat "/anonymous@" site ":" directory))
583 (message (concat "Accessing " (expand-file-name name pathname) "..."))
584 (funcall mime-raw-dired-function pathname)
585 (goto-char (point-min))
586 (search-forward name)
593 (defun mime-method-to-display-caesar (start end cal)
594 "Internal method for mime-view to display ROT13-47-48 message."
595 (let* ((cnum (mime-raw-point-to-entity-number start))
596 (new-name (format "%s-%s" (buffer-name) cnum))
597 (the-buf (current-buffer))
598 (mother mime-preview-buffer)
599 (charset (cdr (assoc "charset" cal)))
600 (encoding (cdr (assq 'encoding cal)))
603 (let ((pwin (or (get-buffer-window mother)
604 (get-largest-window)))
605 (buf (get-buffer-create new-name))
607 (set-window-buffer pwin buf)
611 (setq buffer-read-only nil)
613 (insert-buffer-substring the-buf start end)
614 (goto-char (point-min))
615 (if (re-search-forward "^\n" nil t)
616 (delete-region (point-min) (match-end 0))
618 (let ((m (cdr (or (assq mode mime-text-decoder-alist)
619 (assq t mime-text-decoder-alist)))))
621 (funcall m charset encoding)
623 (mule-caesar-region (point-min) (point-max))
624 (set-buffer-modified-p nil)
626 (view-buffer new-name)
635 (let* ((file mime-acting-situation-examples-file)
636 (buffer (get-buffer-create " *mime-example*")))
637 (if (file-readable-p file)
642 (insert-file-contents file)
643 (eval-current-buffer)
645 (or (eq (car mime-acting-situation-examples) 'type)
646 (setq mime-acting-situation-examples nil))
648 (kill-buffer buffer))))
650 ;;; mime-play.el ends here