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 cal)
123 (or (ctree-find-calist mime-acting-condition ret
124 mime-view-find-every-acting-situation)
125 (ctree-find-calist mime-acting-condition cal
126 mime-view-find-every-acting-situation)
129 (setq ret (select-menu-alist
135 (cdr (assq 'method situation)))
138 (ctree-set-calist-strictly 'mime-acting-situation-examples ret)
143 (setq method (cdr (assq 'method ret)))
144 (cond ((and (symbolp method)
146 (funcall method beg end ret)
148 ((and (listp method)(stringp (car method)))
149 (mime-activate-external-method beg end ret)
152 (mime-show-echo-buffer
153 "No method are specified for %s\n"
154 (mime-type/subtype-string c-type c-subtype))
160 ;;; @ external decoder
163 (defun mime-activate-external-method (beg end cal)
166 (narrow-to-region beg end)
168 (let ((method (cdr (assoc 'method cal)))
169 (name (mime-raw-get-filename cal))
172 (let ((file (make-temp-name
173 (expand-file-name "TM" mime-temp-directory)))
178 (if (re-search-forward "^$" nil t)
184 (write-region b end file)
185 (message "External method is starting...")
187 'name (replace-as-filename name) cal))
188 (setq cal (put-alist 'file file cal))
191 mime-echo-buffer-name (car method)
193 (mime-make-external-method-args
194 cal (cdr (cdr method)))
196 (apply (function start-process) args)
197 (mime-show-echo-buffer)
201 (defun mime-make-external-method-args (cal format)
206 (let* ((item (eval arg))
207 (ret (cdr (assoc item cal)))
211 (if (eq item 'encoding)
218 (defvar mime-echo-window-is-shared-with-bbdb t
219 "*If non-nil, mime-echo window is shared with BBDB window.")
221 (defvar mime-echo-window-height
224 (/ (window-height) 5)
226 "*Size of mime-echo window.
227 It allows function or integer. If it is function,
228 `mime-show-echo-buffer' calls it to get height of mime-echo window.
229 Otherwise `mime-show-echo-buffer' uses it as height of mime-echo
232 (defun mime-show-echo-buffer (&rest forms)
233 "Show mime-echo buffer to display MIME-playing information."
234 (get-buffer-create mime-echo-buffer-name)
235 (let ((the-win (selected-window))
236 (win (get-buffer-window mime-echo-buffer-name))
239 (if (and mime-echo-window-is-shared-with-bbdb
240 (boundp 'bbdb-buffer-name)
241 (setq win (get-buffer-window bbdb-buffer-name))
243 (set-window-buffer win mime-echo-buffer-name)
244 (select-window (get-buffer-window mime-preview-buffer))
245 (setq win (split-window-vertically
247 (if (functionp mime-echo-window-height)
248 (funcall mime-echo-window-height)
249 mime-echo-window-height)
251 (set-window-buffer win mime-echo-buffer-name)
254 (goto-char (point-max))
256 (insert (apply (function format) forms))
258 (select-window the-win)
265 (defvar mime-view-file-name-char-regexp "[A-Za-z0-9+_-]")
267 (defvar mime-view-file-name-regexp-1
268 (concat mime-view-file-name-char-regexp "+\\."
269 mime-view-file-name-char-regexp "+"))
271 (defvar mime-view-file-name-regexp-2
272 (concat (regexp-* mime-view-file-name-char-regexp)
273 "\\(\\." mime-view-file-name-char-regexp "+\\)*"))
275 (defun mime-raw-get-original-filename (param &optional encoding)
276 (or (mime-raw-get-uu-filename param encoding)
278 (or (if (or (and (setq ret (mime/Content-Disposition))
279 (setq ret (assoc "filename" (cdr ret)))
281 (setq ret (assoc "name" param))
282 (setq ret (assoc "x-name" param))
284 (std11-strip-quoted-string (cdr ret))
287 (std11-find-field-body '("Content-Description"
289 (if (or (string-match mime-view-file-name-regexp-1 ret)
290 (string-match mime-view-file-name-regexp-2 ret))
291 (substring ret (match-beginning 0)(match-end 0))
296 (defun mime-raw-get-filename (param)
297 (replace-as-filename (mime-raw-get-original-filename param))
301 ;;; @ file extraction
304 (defun mime-method-to-save (beg end cal)
308 (narrow-to-region beg end)
309 (mime-raw-get-filename cal)
311 (encoding (or (cdr (assq 'encoding cal)) "7bit"))
313 (if (and name (not (string-equal name "")))
314 (expand-file-name name
315 (save-window-excursion
319 (interactive "DDirectory: ")
321 (save-window-excursion
325 (interactive "FFilename: ")
326 (expand-file-name file)))))))
328 (if (file-exists-p filename)
329 (or (yes-or-no-p (format "File %s exists. Save anyway? " filename))
331 (re-search-forward "\n\n")
332 (mime-write-decoded-region (match-end 0) end filename encoding)
336 ;;; @ mail/news message
339 (defun mime-preview-quitting-method-for-mime-show-message-mode ()
340 "Quitting method for mime-view.
341 It is registered to variable `mime-preview-quitting-method-alist'."
342 (let ((mother mime-mother-buffer)
343 (win-conf mime-preview-original-window-configuration)
345 (kill-buffer mime-raw-buffer)
346 (mime-preview-kill-buffer)
347 (set-window-configuration win-conf)
348 (pop-to-buffer mother)
351 (defun mime-method-to-display-message/rfc822 (beg end cal)
352 (let* ((cnum (mime-raw-point-to-entity-number beg))
353 (new-name (format "%s-%s" (buffer-name) cnum))
354 (mother mime-preview-buffer)
356 (cdr (or (assq major-mode mime-text-decoder-alist)
357 (assq t mime-text-decoder-alist))))
359 (setq str (buffer-substring beg end))
360 (switch-to-buffer new-name)
363 (goto-char (point-min))
364 (if (re-search-forward "^\n" nil t)
365 (delete-region (point-min) (match-end 0))
367 (setq major-mode 'mime-show-message-mode)
368 (setq mime-text-decoder text-decoder)
369 (mime-view-mode mother)
373 ;;; @ message/partial
376 (defun mime-raw-write-region (start end filename)
377 "Write current region into specified file.
378 When called from a program, takes three arguments:
379 START, END and FILENAME. START and END are buffer positions.
380 It refer `mime-raw-buffer-coding-system-alist' to choose coding-system
382 (let ((coding-system-for-write
384 (or (assq major-mode mime-raw-buffer-coding-system-alist)
385 (assq t mime-raw-buffer-coding-system-alist)
387 (write-region start end filename)
390 (defun mime-method-to-store-message/partial (beg end cal)
394 (concat "m-prts-" (user-login-name)) mime-temp-directory))
395 (id (cdr (assoc "id" cal)))
396 (number (cdr (assoc "number" cal)))
397 (total (cdr (assoc "total" cal)))
399 (mother mime-preview-buffer)
401 (or (file-exists-p root-dir)
402 (make-directory root-dir)
404 (setq id (replace-as-filename id))
405 (setq root-dir (concat root-dir "/" id))
406 (or (file-exists-p root-dir)
407 (make-directory root-dir)
409 (setq file (concat root-dir "/FULL"))
410 (if (file-exists-p file)
411 (let ((full-buf (get-buffer-create "FULL"))
412 (pwin (or (get-buffer-window mother)
413 (get-largest-window)))
415 (save-window-excursion
416 (set-buffer full-buf)
418 (as-binary-input-file (insert-file-contents file))
419 (setq major-mode 'mime-show-message-mode)
420 (mime-view-mode mother)
422 (set-window-buffer pwin
424 (set-buffer full-buf)
425 mime-preview-buffer))
428 (re-search-forward "^$")
429 (goto-char (1+ (match-end 0)))
430 (setq file (concat root-dir "/" number))
431 (mime-raw-write-region (point) end file)
432 (let ((total-file (concat root-dir "/CT")))
436 (or (file-exists-p total-file)
439 (get-buffer-create mime-temp-buffer-name))
442 (write-region (point-min)(point-max) total-file)
443 (kill-buffer (current-buffer))
445 (string-to-number total)
447 (and (file-exists-p total-file)
449 (set-buffer (find-file-noselect total-file))
451 (and (re-search-forward "[0-9]+" nil t)
453 (buffer-substring (match-beginning 0)
456 (kill-buffer (current-buffer))
459 (if (and total (> total 0))
462 (set-buffer (get-buffer-create mime-temp-buffer-name))
463 (let ((full-buf (current-buffer)))
467 (setq file (concat root-dir "/" (int-to-string i)))
468 (or (file-exists-p file)
471 (as-binary-input-file (insert-file-contents file))
472 (goto-char (point-max))
475 (as-binary-output-file
476 (write-region (point-min)(point-max)
477 (expand-file-name "FULL" root-dir)))
480 (let ((file (format "%s/%d" root-dir i)))
481 (and (file-exists-p file)
486 (let ((file (expand-file-name "CT" root-dir)))
487 (and (file-exists-p file)
490 (save-window-excursion
491 (setq major-mode 'mime-show-message-mode)
492 (mime-view-mode mother)
494 (let ((pwin (or (get-buffer-window mother)
497 (pbuf (save-excursion
498 (set-buffer full-buf)
499 mime-preview-buffer)))
500 (set-window-buffer pwin pbuf)
506 ;;; @ message/external-body
509 (defvar mime-raw-dired-function
510 (if mime/use-multi-frame
511 (function dired-other-frame)
512 (function mime-raw-dired-function-for-one-frame)
515 (defun mime-raw-dired-function-for-one-frame (dir)
516 (let ((win (or (get-buffer-window mime-preview-buffer)
517 (get-largest-window))))
522 (defun mime-method-to-display-message/external-ftp (beg end cal)
523 (let* ((site (cdr (assoc "site" cal)))
524 (directory (cdr (assoc "directory" cal)))
525 (name (cdr (assoc "name" cal)))
526 ;;(mode (cdr (assoc "mode" cal)))
527 (pathname (concat "/anonymous@" site ":" directory))
529 (message (concat "Accessing " (expand-file-name name pathname) "..."))
530 (funcall mime-raw-dired-function pathname)
531 (goto-char (point-min))
532 (search-forward name)
539 (defun mime-method-to-display-caesar (start end cal)
540 "Internal method for mime-view to display ROT13-47-48 message."
541 (let* ((cnum (mime-raw-point-to-entity-number start))
542 (new-name (format "%s-%s" (buffer-name) cnum))
543 (the-buf (current-buffer))
544 (mother mime-preview-buffer)
545 (charset (cdr (assoc "charset" cal)))
546 (encoding (cdr (assq 'encoding cal)))
549 (let ((pwin (or (get-buffer-window mother)
550 (get-largest-window)))
551 (buf (get-buffer-create new-name))
553 (set-window-buffer pwin buf)
557 (setq buffer-read-only nil)
559 (insert-buffer-substring the-buf start end)
560 (goto-char (point-min))
561 (if (re-search-forward "^\n" nil t)
562 (delete-region (point-min) (match-end 0))
564 (let ((m (cdr (or (assq mode mime-text-decoder-alist)
565 (assq t mime-text-decoder-alist)))))
567 (funcall m charset encoding)
569 (mule-caesar-region (point-min) (point-max))
570 (set-buffer-modified-p nil)
572 (view-buffer new-name)
581 (let* ((file mime-acting-situation-examples-file)
582 (buffer (get-buffer-create " *mime-example*")))
583 (if (file-readable-p file)
588 (insert-file-contents file)
589 (eval-current-buffer))
590 (kill-buffer buffer))))
592 ;;; mime-play.el ends here