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)))
130 (let (method cal ret)
131 (setq cal (list* (cons 'major-mode major-mode)
132 (cons 'encoding encoding)
135 (setq cal (cons (cons 'mode mode) cal))
138 (or (ctree-match-calist mime-acting-situation-examples cal)
139 (ctree-match-calist-partially mime-acting-situation-examples
143 (or (ctree-find-calist mime-acting-condition ret
144 mime-view-find-every-acting-situation)
145 (ctree-find-calist mime-acting-condition cal
146 mime-view-find-every-acting-situation)
149 (setq ret (select-menu-alist
155 (cdr (assq 'method situation)))
158 (setq ret (mime-sort-situation ret))
159 (ctree-set-calist-strictly 'mime-acting-situation-examples ret)
164 (setq method (cdr (assq 'method ret)))
165 (cond ((and (symbolp method)
167 (funcall method beg end ret)
170 (mime-activate-mailcap-method beg end ret)
172 ((and (listp method)(stringp (car method)))
173 (mime-activate-external-method beg end ret)
176 (mime-show-echo-buffer
177 "No method are specified for %s\n"
178 (mime-type/subtype-string
179 (mime-content-type-primary-type content-type)
180 (mime-content-type-subtype content-type))
185 ;;; @ external decoder
188 (defvar mime-mailcap-method-filename-alist nil)
190 (defun mime-activate-mailcap-method (start end situation)
193 (narrow-to-region start end)
195 (let ((method (cdr (assoc 'method situation)))
196 (name (expand-file-name (mime-raw-get-filename situation)
197 mime-temp-directory)))
198 (mime-write-decoded-region (if (re-search-forward "^$" end t)
202 (cdr (assq 'encoding situation)))
203 (message "External method is starting...")
206 (mailcap-format-command
208 (cons (cons 'filename name) situation))))
209 (start-process command mime-echo-buffer-name
210 shell-file-name shell-command-switch command)
212 (set-alist 'mime-mailcap-method-filename-alist process name)
213 (set-process-sentinel process 'mime-mailcap-method-sentinel)
215 ;;(mime-show-echo-buffer)
218 (defun mime-mailcap-method-sentinel (process event)
219 (let ((file (cdr (assq process mime-mailcap-method-filename-alist))))
220 (if (file-exists-p file)
223 (remove-alist 'mime-mailcap-method-filename-alist process)
224 (message (format "%s %s" process event)))
226 (defun mime-activate-external-method (beg end cal)
229 (narrow-to-region beg end)
231 (let ((method (cdr (assoc 'method cal)))
232 (name (mime-raw-get-filename cal))
235 (let ((file (make-temp-name
236 (expand-file-name "TM" mime-temp-directory)))
241 (if (re-search-forward "^$" nil t)
247 (write-region b end file)
248 (message "External method is starting...")
250 'name (replace-as-filename name) cal))
251 (setq cal (put-alist 'file file cal))
254 mime-echo-buffer-name (car method)
256 (mime-make-external-method-args
257 cal (cdr (cdr method)))
259 (apply (function start-process) args)
260 (mime-show-echo-buffer)
264 (defun mime-make-external-method-args (cal format)
269 (let* ((item (eval arg))
270 (ret (cdr (assoc item cal)))
274 (if (eq item 'encoding)
281 (defvar mime-echo-window-is-shared-with-bbdb t
282 "*If non-nil, mime-echo window is shared with BBDB window.")
284 (defvar mime-echo-window-height
287 (/ (window-height) 5)
289 "*Size of mime-echo window.
290 It allows function or integer. If it is function,
291 `mime-show-echo-buffer' calls it to get height of mime-echo window.
292 Otherwise `mime-show-echo-buffer' uses it as height of mime-echo
295 (defun mime-show-echo-buffer (&rest forms)
296 "Show mime-echo buffer to display MIME-playing information."
297 (get-buffer-create mime-echo-buffer-name)
298 (let ((the-win (selected-window))
299 (win (get-buffer-window mime-echo-buffer-name))
302 (if (and mime-echo-window-is-shared-with-bbdb
303 (boundp 'bbdb-buffer-name)
304 (setq win (get-buffer-window bbdb-buffer-name))
306 (set-window-buffer win mime-echo-buffer-name)
307 (select-window (get-buffer-window mime-preview-buffer))
308 (setq win (split-window-vertically
310 (if (functionp mime-echo-window-height)
311 (funcall mime-echo-window-height)
312 mime-echo-window-height)
314 (set-window-buffer win mime-echo-buffer-name)
317 (goto-char (point-max))
319 (insert (apply (function format) forms))
321 (select-window the-win)
328 (defvar mime-view-file-name-char-regexp "[A-Za-z0-9+_-]")
330 (defvar mime-view-file-name-regexp-1
331 (concat mime-view-file-name-char-regexp "+\\."
332 mime-view-file-name-char-regexp "+"))
334 (defvar mime-view-file-name-regexp-2
335 (concat (regexp-* mime-view-file-name-char-regexp)
336 "\\(\\." mime-view-file-name-char-regexp "+\\)*"))
338 (defun mime-raw-get-original-filename (param)
339 (or (if (member (cdr (assq 'encoding param))
340 mime-view-uuencode-encoding-name-list)
341 (mime-raw-get-uu-filename))
343 (or (if (or (and (setq ret (mime-read-Content-Disposition))
347 (mime-content-disposition-parameters ret)))
349 (setq ret (assoc "name" param))
350 (setq ret (assoc "x-name" param))
352 (std11-strip-quoted-string (cdr ret))
355 (std11-find-field-body '("Content-Description"
357 (if (or (string-match mime-view-file-name-regexp-1 ret)
358 (string-match mime-view-file-name-regexp-2 ret))
359 (substring ret (match-beginning 0)(match-end 0))
364 (defun mime-raw-get-filename (param)
365 (replace-as-filename (mime-raw-get-original-filename param))
369 ;;; @ file extraction
372 (defun mime-method-to-save (beg end cal)
376 (narrow-to-region beg end)
377 (mime-raw-get-filename cal)
379 (encoding (or (cdr (assq 'encoding cal)) "7bit"))
381 (if (and name (not (string-equal name "")))
382 (expand-file-name name
383 (save-window-excursion
387 (interactive "DDirectory: ")
389 (save-window-excursion
393 (interactive "FFilename: ")
394 (expand-file-name file)))))))
396 (if (file-exists-p filename)
397 (or (yes-or-no-p (format "File %s exists. Save anyway? " filename))
399 (re-search-forward "\n\n")
400 (mime-write-decoded-region (match-end 0) end filename encoding)
404 ;;; @ mail/news message
407 (defun mime-preview-quitting-method-for-mime-show-message-mode ()
408 "Quitting method for mime-view.
409 It is registered to variable `mime-preview-quitting-method-alist'."
410 (let ((mother mime-mother-buffer)
411 (win-conf mime-preview-original-window-configuration)
413 (kill-buffer mime-raw-buffer)
414 (mime-preview-kill-buffer)
415 (set-window-configuration win-conf)
416 (pop-to-buffer mother)
419 (defun mime-method-to-display-message/rfc822 (beg end cal)
420 (let* ((cnum (mime-raw-point-to-entity-number beg))
421 (new-name (format "%s-%s" (buffer-name) cnum))
422 (mother mime-preview-buffer)
424 (cdr (or (assq major-mode mime-text-decoder-alist)
425 (assq t mime-text-decoder-alist))))
427 (setq str (buffer-substring beg end))
428 (switch-to-buffer new-name)
431 (goto-char (point-min))
432 (if (re-search-forward "^\n" nil t)
433 (delete-region (point-min) (match-end 0))
435 (setq major-mode 'mime-show-message-mode)
436 (setq mime-text-decoder text-decoder)
437 (mime-view-mode mother)
441 ;;; @ message/partial
444 (defun mime-raw-write-region (start end filename)
445 "Write current region into specified file.
446 When called from a program, takes three arguments:
447 START, END and FILENAME. START and END are buffer positions.
448 It refer `mime-raw-buffer-coding-system-alist' to choose coding-system
450 (let ((coding-system-for-write
452 (or (assq major-mode mime-raw-buffer-coding-system-alist)
453 (assq t mime-raw-buffer-coding-system-alist)
455 (write-region start end filename)
458 (defun mime-method-to-store-message/partial (beg end cal)
462 (concat "m-prts-" (user-login-name)) mime-temp-directory))
463 (id (cdr (assoc "id" cal)))
464 (number (cdr (assoc "number" cal)))
465 (total (cdr (assoc "total" cal)))
467 (mother mime-preview-buffer)
469 (or (file-exists-p root-dir)
470 (make-directory root-dir)
472 (setq id (replace-as-filename id))
473 (setq root-dir (concat root-dir "/" id))
474 (or (file-exists-p root-dir)
475 (make-directory root-dir)
477 (setq file (concat root-dir "/FULL"))
478 (if (file-exists-p file)
479 (let ((full-buf (get-buffer-create "FULL"))
480 (pwin (or (get-buffer-window mother)
481 (get-largest-window)))
483 (save-window-excursion
484 (set-buffer full-buf)
486 (as-binary-input-file (insert-file-contents file))
487 (setq major-mode 'mime-show-message-mode)
488 (mime-view-mode mother)
490 (set-window-buffer pwin
492 (set-buffer full-buf)
493 mime-preview-buffer))
496 (re-search-forward "^$")
497 (goto-char (1+ (match-end 0)))
498 (setq file (concat root-dir "/" number))
499 (mime-raw-write-region (point) end file)
500 (let ((total-file (concat root-dir "/CT")))
504 (or (file-exists-p total-file)
507 (get-buffer-create mime-temp-buffer-name))
510 (write-region (point-min)(point-max) total-file)
511 (kill-buffer (current-buffer))
513 (string-to-number total)
515 (and (file-exists-p total-file)
517 (set-buffer (find-file-noselect total-file))
519 (and (re-search-forward "[0-9]+" nil t)
521 (buffer-substring (match-beginning 0)
524 (kill-buffer (current-buffer))
527 (if (and total (> total 0))
530 (set-buffer (get-buffer-create mime-temp-buffer-name))
531 (let ((full-buf (current-buffer)))
535 (setq file (concat root-dir "/" (int-to-string i)))
536 (or (file-exists-p file)
539 (as-binary-input-file (insert-file-contents file))
540 (goto-char (point-max))
543 (as-binary-output-file
544 (write-region (point-min)(point-max)
545 (expand-file-name "FULL" root-dir)))
548 (let ((file (format "%s/%d" root-dir i)))
549 (and (file-exists-p file)
554 (let ((file (expand-file-name "CT" root-dir)))
555 (and (file-exists-p file)
558 (save-window-excursion
559 (setq major-mode 'mime-show-message-mode)
560 (mime-view-mode mother)
562 (let ((pwin (or (get-buffer-window mother)
565 (pbuf (save-excursion
566 (set-buffer full-buf)
567 mime-preview-buffer)))
568 (set-window-buffer pwin pbuf)
574 ;;; @ message/external-body
577 (defvar mime-raw-dired-function
578 (if (and (>= emacs-major-version 19) window-system)
579 (function dired-other-frame)
580 (function mime-raw-dired-function-for-one-frame)
583 (defun mime-raw-dired-function-for-one-frame (dir)
584 (let ((win (or (get-buffer-window mime-preview-buffer)
585 (get-largest-window))))
590 (defun mime-method-to-display-message/external-ftp (beg end cal)
591 (let* ((site (cdr (assoc "site" cal)))
592 (directory (cdr (assoc "directory" cal)))
593 (name (cdr (assoc "name" cal)))
594 ;;(mode (cdr (assoc "mode" cal)))
595 (pathname (concat "/anonymous@" site ":" directory))
597 (message (concat "Accessing " (expand-file-name name pathname) "..."))
598 (funcall mime-raw-dired-function pathname)
599 (goto-char (point-min))
600 (search-forward name)
607 (defun mime-method-to-display-caesar (start end cal)
608 "Internal method for mime-view to display ROT13-47-48 message."
609 (let* ((cnum (mime-raw-point-to-entity-number start))
610 (new-name (format "%s-%s" (buffer-name) cnum))
611 (the-buf (current-buffer))
612 (mother mime-preview-buffer)
613 (charset (cdr (assoc "charset" cal)))
614 (encoding (cdr (assq 'encoding cal)))
617 (let ((pwin (or (get-buffer-window mother)
618 (get-largest-window)))
619 (buf (get-buffer-create new-name))
621 (set-window-buffer pwin buf)
625 (setq buffer-read-only nil)
627 (insert-buffer-substring the-buf start end)
628 (goto-char (point-min))
629 (if (re-search-forward "^\n" nil t)
630 (delete-region (point-min) (match-end 0))
632 (let ((m (cdr (or (assq mode mime-text-decoder-alist)
633 (assq t mime-text-decoder-alist)))))
635 (funcall m charset encoding)
637 (mule-caesar-region (point-min) (point-max))
638 (set-buffer-modified-p nil)
640 (view-buffer new-name)
649 (let* ((file mime-acting-situation-examples-file)
650 (buffer (get-buffer-create " *mime-example*")))
651 (if (file-readable-p file)
656 (insert-file-contents file)
657 (eval-current-buffer)
659 (or (eq (car mime-acting-situation-examples) 'type)
660 (setq mime-acting-situation-examples nil))
662 (kill-buffer buffer))))
664 ;;; mime-play.el ends here