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-sort-situation (situation)
98 (let ((ret (assq a-t order)))
100 (setq a-order (cdr ret))
106 (let ((ret (assq b-t order)))
108 (setq b-order (cdr ret))
113 (if (= a-order b-order)
114 (string< (format "%s" a-t)(format "%s" b-t))
119 (defun mime-raw-play-entity (entity-info &optional mode)
120 "Play entity specified by ENTITY-INFO.
121 It decodes the entity to call internal or external method. The method
122 is selected from variable `mime-acting-condition'. If MODE is
123 specified, play as it. Default MODE is \"play\"."
124 (let ((beg (mime-entity-point-min entity-info))
125 (end (mime-entity-point-max entity-info))
126 (content-type (mime-entity-content-type entity-info))
127 (encoding (mime-entity-encoding entity-info)))
129 (setq content-type (make-mime-content-type 'text 'plain)))
131 (if (< beg (point-min))
132 (setq beg (point-min))
134 (if (< (point-max) end)
135 (setq end (point-max))
137 (let (method cal ret)
138 (setq cal (list* (cons 'major-mode major-mode)
139 (cons 'encoding encoding)
142 (setq cal (cons (cons 'mode mode) cal))
145 (or (ctree-match-calist mime-acting-situation-examples cal)
146 (ctree-match-calist-partially mime-acting-situation-examples
150 (or (ctree-find-calist mime-acting-condition ret
151 mime-view-find-every-acting-situation)
152 (ctree-find-calist mime-acting-condition cal
153 mime-view-find-every-acting-situation)
156 (setq ret (select-menu-alist
162 (cdr (assq 'method situation)))
165 (setq ret (mime-sort-situation ret))
166 (ctree-set-calist-strictly 'mime-acting-situation-examples ret)
171 (setq method (cdr (assq 'method ret)))
172 (cond ((and (symbolp method)
174 (funcall method beg end ret)
177 (mime-activate-mailcap-method beg end ret)
179 ((and (listp method)(stringp (car method)))
180 (mime-activate-external-method beg end ret)
183 (mime-show-echo-buffer
184 "No method are specified for %s\n"
185 (mime-type/subtype-string
186 (mime-content-type-primary-type content-type)
187 (mime-content-type-subtype content-type))
192 ;;; @ external decoder
195 (defvar mime-mailcap-method-filename-alist nil)
197 (defun mime-activate-mailcap-method (start end situation)
200 (narrow-to-region start end)
202 (let ((method (cdr (assoc 'method situation)))
203 (name (expand-file-name (mime-raw-get-filename situation)
204 mime-temp-directory)))
205 (mime-write-decoded-region (if (re-search-forward "^$" end t)
209 (cdr (assq 'encoding situation)))
210 (message "External method is starting...")
213 (mailcap-format-command
215 (cons (cons 'filename name) situation))))
216 (start-process command mime-echo-buffer-name
217 shell-file-name shell-command-switch command)
219 (set-alist 'mime-mailcap-method-filename-alist process name)
220 (set-process-sentinel process 'mime-mailcap-method-sentinel)
222 ;;(mime-show-echo-buffer)
225 (defun mime-mailcap-method-sentinel (process event)
226 (let ((file (cdr (assq process mime-mailcap-method-filename-alist))))
227 (if (file-exists-p file)
230 (remove-alist 'mime-mailcap-method-filename-alist process)
231 (message (format "%s %s" process event)))
233 (defun mime-activate-external-method (beg end cal)
236 (narrow-to-region beg end)
238 (let ((method (cdr (assoc 'method cal)))
239 (name (mime-raw-get-filename cal))
242 (let ((file (make-temp-name
243 (expand-file-name "TM" mime-temp-directory)))
248 (if (re-search-forward "^$" nil t)
254 (write-region b end file)
255 (message "External method is starting...")
257 'name (replace-as-filename name) cal))
258 (setq cal (put-alist 'file file cal))
261 mime-echo-buffer-name (car method)
263 (mime-make-external-method-args
264 cal (cdr (cdr method)))
266 (apply (function start-process) args)
267 (mime-show-echo-buffer)
271 (defun mime-make-external-method-args (cal format)
276 (let* ((item (eval arg))
277 (ret (cdr (assoc item cal)))
281 (if (eq item 'encoding)
288 (defvar mime-echo-window-is-shared-with-bbdb t
289 "*If non-nil, mime-echo window is shared with BBDB window.")
291 (defvar mime-echo-window-height
294 (/ (window-height) 5)
296 "*Size of mime-echo window.
297 It allows function or integer. If it is function,
298 `mime-show-echo-buffer' calls it to get height of mime-echo window.
299 Otherwise `mime-show-echo-buffer' uses it as height of mime-echo
302 (defun mime-show-echo-buffer (&rest forms)
303 "Show mime-echo buffer to display MIME-playing information."
304 (get-buffer-create mime-echo-buffer-name)
305 (let ((the-win (selected-window))
306 (win (get-buffer-window mime-echo-buffer-name))
309 (if (and mime-echo-window-is-shared-with-bbdb
310 (boundp 'bbdb-buffer-name)
311 (setq win (get-buffer-window bbdb-buffer-name))
313 (set-window-buffer win mime-echo-buffer-name)
314 (select-window (get-buffer-window mime-preview-buffer))
315 (setq win (split-window-vertically
317 (if (functionp mime-echo-window-height)
318 (funcall mime-echo-window-height)
319 mime-echo-window-height)
321 (set-window-buffer win mime-echo-buffer-name)
324 (goto-char (point-max))
326 (insert (apply (function format) forms))
328 (select-window the-win)
335 (defvar mime-view-file-name-char-regexp "[A-Za-z0-9+_-]")
337 (defvar mime-view-file-name-regexp-1
338 (concat mime-view-file-name-char-regexp "+\\."
339 mime-view-file-name-char-regexp "+"))
341 (defvar mime-view-file-name-regexp-2
342 (concat (regexp-* mime-view-file-name-char-regexp)
343 "\\(\\." mime-view-file-name-char-regexp "+\\)*"))
345 (defun mime-raw-get-original-filename (param)
346 (or (if (member (cdr (assq 'encoding param))
347 mime-view-uuencode-encoding-name-list)
348 (mime-raw-get-uu-filename))
350 (or (if (or (and (setq ret (mime-read-Content-Disposition))
354 (mime-content-disposition-parameters ret)))
356 (setq ret (assoc "name" param))
357 (setq ret (assoc "x-name" param))
359 (std11-strip-quoted-string (cdr ret))
362 (std11-find-field-body '("Content-Description"
364 (if (or (string-match mime-view-file-name-regexp-1 ret)
365 (string-match mime-view-file-name-regexp-2 ret))
366 (substring ret (match-beginning 0)(match-end 0))
371 (defun mime-raw-get-filename (param)
372 (replace-as-filename (mime-raw-get-original-filename param))
376 ;;; @ file extraction
379 (defun mime-method-to-save (beg end cal)
383 (narrow-to-region beg end)
384 (mime-raw-get-filename cal)
386 (encoding (or (cdr (assq 'encoding cal)) "7bit"))
388 (if (and name (not (string-equal name "")))
389 (expand-file-name name
390 (save-window-excursion
394 (interactive "DDirectory: ")
396 (save-window-excursion
400 (interactive "FFilename: ")
401 (expand-file-name file)))))))
403 (if (file-exists-p filename)
404 (or (yes-or-no-p (format "File %s exists. Save anyway? " filename))
406 (re-search-forward "\n\n")
407 (mime-write-decoded-region (match-end 0) end filename encoding)
411 ;;; @ mail/news message
414 (defun mime-preview-quitting-method-for-mime-show-message-mode ()
415 "Quitting method for mime-view.
416 It is registered to variable `mime-preview-quitting-method-alist'."
417 (let ((mother mime-mother-buffer)
418 (win-conf mime-preview-original-window-configuration)
420 (kill-buffer mime-raw-buffer)
421 (mime-preview-kill-buffer)
422 (set-window-configuration win-conf)
423 (pop-to-buffer mother)
426 (defun mime-method-to-display-message/rfc822 (beg end cal)
427 (let* ((cnum (mime-raw-point-to-entity-number beg))
428 (new-name (format "%s-%s" (buffer-name) cnum))
429 (mother mime-preview-buffer)
431 (cdr (or (assq major-mode mime-text-decoder-alist)
432 (assq t mime-text-decoder-alist))))
434 (setq str (buffer-substring beg end))
435 (switch-to-buffer new-name)
438 (goto-char (point-min))
439 (if (re-search-forward "^\n" nil t)
440 (delete-region (point-min) (match-end 0))
442 (setq major-mode 'mime-show-message-mode)
443 (setq mime-text-decoder text-decoder)
444 (mime-view-mode mother)
448 ;;; @ message/partial
451 (defun mime-raw-write-region (start end filename)
452 "Write current region into specified file.
453 When called from a program, takes three arguments:
454 START, END and FILENAME. START and END are buffer positions.
455 It refer `mime-raw-buffer-coding-system-alist' to choose coding-system
457 (let ((coding-system-for-write
459 (or (assq major-mode mime-raw-buffer-coding-system-alist)
460 (assq t mime-raw-buffer-coding-system-alist)
462 (write-region start end filename)
465 (defun mime-method-to-store-message/partial (beg end cal)
469 (concat "m-prts-" (user-login-name)) mime-temp-directory))
470 (id (cdr (assoc "id" cal)))
471 (number (cdr (assoc "number" cal)))
472 (total (cdr (assoc "total" cal)))
474 (mother mime-preview-buffer)
476 (or (file-exists-p root-dir)
477 (make-directory root-dir)
479 (setq id (replace-as-filename id))
480 (setq root-dir (concat root-dir "/" id))
481 (or (file-exists-p root-dir)
482 (make-directory root-dir)
484 (setq file (concat root-dir "/FULL"))
485 (if (file-exists-p file)
486 (let ((full-buf (get-buffer-create "FULL"))
487 (pwin (or (get-buffer-window mother)
488 (get-largest-window)))
490 (save-window-excursion
491 (set-buffer full-buf)
493 (as-binary-input-file (insert-file-contents file))
494 (setq major-mode 'mime-show-message-mode)
495 (mime-view-mode mother)
497 (set-window-buffer pwin
499 (set-buffer full-buf)
500 mime-preview-buffer))
503 (re-search-forward "^$")
504 (goto-char (1+ (match-end 0)))
505 (setq file (concat root-dir "/" number))
506 (mime-raw-write-region (point) end file)
507 (let ((total-file (concat root-dir "/CT")))
511 (or (file-exists-p total-file)
514 (get-buffer-create mime-temp-buffer-name))
517 (write-region (point-min)(point-max) total-file)
518 (kill-buffer (current-buffer))
520 (string-to-number total)
522 (and (file-exists-p total-file)
524 (set-buffer (find-file-noselect total-file))
526 (and (re-search-forward "[0-9]+" nil t)
528 (buffer-substring (match-beginning 0)
531 (kill-buffer (current-buffer))
534 (if (and total (> total 0))
537 (set-buffer (get-buffer-create mime-temp-buffer-name))
538 (let ((full-buf (current-buffer)))
542 (setq file (concat root-dir "/" (int-to-string i)))
543 (or (file-exists-p file)
546 (as-binary-input-file (insert-file-contents file))
547 (goto-char (point-max))
550 (as-binary-output-file
551 (write-region (point-min)(point-max)
552 (expand-file-name "FULL" root-dir)))
555 (let ((file (format "%s/%d" root-dir i)))
556 (and (file-exists-p file)
561 (let ((file (expand-file-name "CT" root-dir)))
562 (and (file-exists-p file)
565 (save-window-excursion
566 (setq major-mode 'mime-show-message-mode)
567 (mime-view-mode mother)
569 (let ((pwin (or (get-buffer-window mother)
572 (pbuf (save-excursion
573 (set-buffer full-buf)
574 mime-preview-buffer)))
575 (set-window-buffer pwin pbuf)
581 ;;; @ message/external-body
584 (defvar mime-raw-dired-function
585 (if mime/use-multi-frame
586 (function dired-other-frame)
587 (function mime-raw-dired-function-for-one-frame)
590 (defun mime-raw-dired-function-for-one-frame (dir)
591 (let ((win (or (get-buffer-window mime-preview-buffer)
592 (get-largest-window))))
597 (defun mime-method-to-display-message/external-ftp (beg end cal)
598 (let* ((site (cdr (assoc "site" cal)))
599 (directory (cdr (assoc "directory" cal)))
600 (name (cdr (assoc "name" cal)))
601 ;;(mode (cdr (assoc "mode" cal)))
602 (pathname (concat "/anonymous@" site ":" directory))
604 (message (concat "Accessing " (expand-file-name name pathname) "..."))
605 (funcall mime-raw-dired-function pathname)
606 (goto-char (point-min))
607 (search-forward name)
614 (defun mime-method-to-display-caesar (start end cal)
615 "Internal method for mime-view to display ROT13-47-48 message."
616 (let* ((cnum (mime-raw-point-to-entity-number start))
617 (new-name (format "%s-%s" (buffer-name) cnum))
618 (the-buf (current-buffer))
619 (mother mime-preview-buffer)
620 (charset (cdr (assoc "charset" cal)))
621 (encoding (cdr (assq 'encoding cal)))
624 (let ((pwin (or (get-buffer-window mother)
625 (get-largest-window)))
626 (buf (get-buffer-create new-name))
628 (set-window-buffer pwin buf)
632 (setq buffer-read-only nil)
634 (insert-buffer-substring the-buf start end)
635 (goto-char (point-min))
636 (if (re-search-forward "^\n" nil t)
637 (delete-region (point-min) (match-end 0))
639 (let ((m (cdr (or (assq mode mime-text-decoder-alist)
640 (assq t mime-text-decoder-alist)))))
642 (funcall m charset encoding)
644 (mule-caesar-region (point-min) (point-max))
645 (set-buffer-modified-p nil)
647 (view-buffer new-name)
656 (let* ((file mime-acting-situation-examples-file)
657 (buffer (get-buffer-create " *mime-example*")))
658 (if (file-readable-p file)
663 (insert-file-contents file)
664 (eval-current-buffer)
666 (or (eq (car mime-acting-situation-examples) 'type)
667 (setq mime-acting-situation-examples nil))
669 (kill-buffer buffer))))
671 ;;; mime-play.el ends here