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 (c-type (mime-entity-media-type entity-info))
127 (c-subtype (mime-entity-media-subtype entity-info))
128 (params (mime-entity-parameters entity-info))
129 (encoding (mime-entity-encoding entity-info))
135 (if (< beg (point-min))
136 (setq beg (point-min))
138 (if (< (point-max) end)
139 (setq end (point-max))
141 (let (method cal ret)
142 (setq cal (list* (cons 'type c-type)
143 (cons 'subtype c-subtype)
144 (cons 'encoding encoding)
145 (cons 'major-mode major-mode)
148 (setq cal (cons (cons 'mode mode) cal))
151 (or (ctree-match-calist mime-acting-situation-examples cal)
152 (ctree-match-calist-partially mime-acting-situation-examples
156 (or (ctree-find-calist mime-acting-condition ret
157 mime-view-find-every-acting-situation)
158 (ctree-find-calist mime-acting-condition cal
159 mime-view-find-every-acting-situation)
162 (setq ret (select-menu-alist
168 (cdr (assq 'method situation)))
171 (setq ret (mime-sort-situation ret))
172 (ctree-set-calist-strictly 'mime-acting-situation-examples ret)
177 (setq method (cdr (assq 'method ret)))
178 (cond ((and (symbolp method)
180 (funcall method beg end ret)
183 (mime-activate-mailcap-method beg end ret)
185 ((and (listp method)(stringp (car method)))
186 (mime-activate-external-method beg end ret)
189 (mime-show-echo-buffer
190 "No method are specified for %s\n"
191 (mime-type/subtype-string c-type c-subtype))
197 ;;; @ external decoder
200 (defvar mime-mailcap-method-filename-alist nil)
202 (defun mime-activate-mailcap-method (start end situation)
205 (narrow-to-region start end)
207 (let ((method (cdr (assoc 'method situation)))
208 (name (expand-file-name (mime-raw-get-filename situation)
209 mime-temp-directory)))
210 (mime-write-decoded-region (if (re-search-forward "^$" end t)
214 (cdr (assq 'encoding situation)))
215 (message "External method is starting...")
218 (mailcap-format-command
220 (cons (cons 'filename name) situation))))
221 (start-process command mime-echo-buffer-name
222 shell-file-name shell-command-switch command)
224 (set-alist 'mime-mailcap-method-filename-alist process name)
225 (set-process-sentinel process 'mime-mailcap-method-sentinel)
227 ;;(mime-show-echo-buffer)
230 (defun mime-mailcap-method-sentinel (process event)
231 (let ((file (cdr (assq process mime-mailcap-method-filename-alist))))
232 (if (file-exists-p file)
235 (remove-alist 'mime-mailcap-method-filename-alist process)
236 (message (format "%s %s" process event)))
238 (defun mime-activate-external-method (beg end cal)
241 (narrow-to-region beg end)
243 (let ((method (cdr (assoc 'method cal)))
244 (name (mime-raw-get-filename cal))
247 (let ((file (make-temp-name
248 (expand-file-name "TM" mime-temp-directory)))
253 (if (re-search-forward "^$" nil t)
259 (write-region b end file)
260 (message "External method is starting...")
262 'name (replace-as-filename name) cal))
263 (setq cal (put-alist 'file file cal))
266 mime-echo-buffer-name (car method)
268 (mime-make-external-method-args
269 cal (cdr (cdr method)))
271 (apply (function start-process) args)
272 (mime-show-echo-buffer)
276 (defun mime-make-external-method-args (cal format)
281 (let* ((item (eval arg))
282 (ret (cdr (assoc item cal)))
286 (if (eq item 'encoding)
293 (defvar mime-echo-window-is-shared-with-bbdb t
294 "*If non-nil, mime-echo window is shared with BBDB window.")
296 (defvar mime-echo-window-height
299 (/ (window-height) 5)
301 "*Size of mime-echo window.
302 It allows function or integer. If it is function,
303 `mime-show-echo-buffer' calls it to get height of mime-echo window.
304 Otherwise `mime-show-echo-buffer' uses it as height of mime-echo
307 (defun mime-show-echo-buffer (&rest forms)
308 "Show mime-echo buffer to display MIME-playing information."
309 (get-buffer-create mime-echo-buffer-name)
310 (let ((the-win (selected-window))
311 (win (get-buffer-window mime-echo-buffer-name))
314 (if (and mime-echo-window-is-shared-with-bbdb
315 (boundp 'bbdb-buffer-name)
316 (setq win (get-buffer-window bbdb-buffer-name))
318 (set-window-buffer win mime-echo-buffer-name)
319 (select-window (get-buffer-window mime-preview-buffer))
320 (setq win (split-window-vertically
322 (if (functionp mime-echo-window-height)
323 (funcall mime-echo-window-height)
324 mime-echo-window-height)
326 (set-window-buffer win mime-echo-buffer-name)
329 (goto-char (point-max))
331 (insert (apply (function format) forms))
333 (select-window the-win)
340 (defvar mime-view-file-name-char-regexp "[A-Za-z0-9+_-]")
342 (defvar mime-view-file-name-regexp-1
343 (concat mime-view-file-name-char-regexp "+\\."
344 mime-view-file-name-char-regexp "+"))
346 (defvar mime-view-file-name-regexp-2
347 (concat (regexp-* mime-view-file-name-char-regexp)
348 "\\(\\." mime-view-file-name-char-regexp "+\\)*"))
350 (defun mime-raw-get-original-filename (param &optional encoding)
351 (or (mime-raw-get-uu-filename param encoding)
353 (or (if (or (and (setq ret (mime-read-Content-Disposition))
357 (mime-content-disposition-parameters ret)))
359 (setq ret (assoc "name" param))
360 (setq ret (assoc "x-name" param))
362 (std11-strip-quoted-string (cdr ret))
365 (std11-find-field-body '("Content-Description"
367 (if (or (string-match mime-view-file-name-regexp-1 ret)
368 (string-match mime-view-file-name-regexp-2 ret))
369 (substring ret (match-beginning 0)(match-end 0))
374 (defun mime-raw-get-filename (param)
375 (replace-as-filename (mime-raw-get-original-filename param))
379 ;;; @ file extraction
382 (defun mime-method-to-save (beg end cal)
386 (narrow-to-region beg end)
387 (mime-raw-get-filename cal)
389 (encoding (or (cdr (assq 'encoding cal)) "7bit"))
391 (if (and name (not (string-equal name "")))
392 (expand-file-name name
393 (save-window-excursion
397 (interactive "DDirectory: ")
399 (save-window-excursion
403 (interactive "FFilename: ")
404 (expand-file-name file)))))))
406 (if (file-exists-p filename)
407 (or (yes-or-no-p (format "File %s exists. Save anyway? " filename))
409 (re-search-forward "\n\n")
410 (mime-write-decoded-region (match-end 0) end filename encoding)
414 ;;; @ mail/news message
417 (defun mime-preview-quitting-method-for-mime-show-message-mode ()
418 "Quitting method for mime-view.
419 It is registered to variable `mime-preview-quitting-method-alist'."
420 (let ((mother mime-mother-buffer)
421 (win-conf mime-preview-original-window-configuration)
423 (kill-buffer mime-raw-buffer)
424 (mime-preview-kill-buffer)
425 (set-window-configuration win-conf)
426 (pop-to-buffer mother)
429 (defun mime-method-to-display-message/rfc822 (beg end cal)
430 (let* ((cnum (mime-raw-point-to-entity-number beg))
431 (new-name (format "%s-%s" (buffer-name) cnum))
432 (mother mime-preview-buffer)
434 (cdr (or (assq major-mode mime-text-decoder-alist)
435 (assq t mime-text-decoder-alist))))
437 (setq str (buffer-substring beg end))
438 (switch-to-buffer new-name)
441 (goto-char (point-min))
442 (if (re-search-forward "^\n" nil t)
443 (delete-region (point-min) (match-end 0))
445 (setq major-mode 'mime-show-message-mode)
446 (setq mime-text-decoder text-decoder)
447 (mime-view-mode mother)
451 ;;; @ message/partial
454 (defun mime-raw-write-region (start end filename)
455 "Write current region into specified file.
456 When called from a program, takes three arguments:
457 START, END and FILENAME. START and END are buffer positions.
458 It refer `mime-raw-buffer-coding-system-alist' to choose coding-system
460 (let ((coding-system-for-write
462 (or (assq major-mode mime-raw-buffer-coding-system-alist)
463 (assq t mime-raw-buffer-coding-system-alist)
465 (write-region start end filename)
468 (defun mime-method-to-store-message/partial (beg end cal)
472 (concat "m-prts-" (user-login-name)) mime-temp-directory))
473 (id (cdr (assoc "id" cal)))
474 (number (cdr (assoc "number" cal)))
475 (total (cdr (assoc "total" cal)))
477 (mother mime-preview-buffer)
479 (or (file-exists-p root-dir)
480 (make-directory root-dir)
482 (setq id (replace-as-filename id))
483 (setq root-dir (concat root-dir "/" id))
484 (or (file-exists-p root-dir)
485 (make-directory root-dir)
487 (setq file (concat root-dir "/FULL"))
488 (if (file-exists-p file)
489 (let ((full-buf (get-buffer-create "FULL"))
490 (pwin (or (get-buffer-window mother)
491 (get-largest-window)))
493 (save-window-excursion
494 (set-buffer full-buf)
496 (as-binary-input-file (insert-file-contents file))
497 (setq major-mode 'mime-show-message-mode)
498 (mime-view-mode mother)
500 (set-window-buffer pwin
502 (set-buffer full-buf)
503 mime-preview-buffer))
506 (re-search-forward "^$")
507 (goto-char (1+ (match-end 0)))
508 (setq file (concat root-dir "/" number))
509 (mime-raw-write-region (point) end file)
510 (let ((total-file (concat root-dir "/CT")))
514 (or (file-exists-p total-file)
517 (get-buffer-create mime-temp-buffer-name))
520 (write-region (point-min)(point-max) total-file)
521 (kill-buffer (current-buffer))
523 (string-to-number total)
525 (and (file-exists-p total-file)
527 (set-buffer (find-file-noselect total-file))
529 (and (re-search-forward "[0-9]+" nil t)
531 (buffer-substring (match-beginning 0)
534 (kill-buffer (current-buffer))
537 (if (and total (> total 0))
540 (set-buffer (get-buffer-create mime-temp-buffer-name))
541 (let ((full-buf (current-buffer)))
545 (setq file (concat root-dir "/" (int-to-string i)))
546 (or (file-exists-p file)
549 (as-binary-input-file (insert-file-contents file))
550 (goto-char (point-max))
553 (as-binary-output-file
554 (write-region (point-min)(point-max)
555 (expand-file-name "FULL" root-dir)))
558 (let ((file (format "%s/%d" root-dir i)))
559 (and (file-exists-p file)
564 (let ((file (expand-file-name "CT" root-dir)))
565 (and (file-exists-p file)
568 (save-window-excursion
569 (setq major-mode 'mime-show-message-mode)
570 (mime-view-mode mother)
572 (let ((pwin (or (get-buffer-window mother)
575 (pbuf (save-excursion
576 (set-buffer full-buf)
577 mime-preview-buffer)))
578 (set-window-buffer pwin pbuf)
584 ;;; @ message/external-body
587 (defvar mime-raw-dired-function
588 (if mime/use-multi-frame
589 (function dired-other-frame)
590 (function mime-raw-dired-function-for-one-frame)
593 (defun mime-raw-dired-function-for-one-frame (dir)
594 (let ((win (or (get-buffer-window mime-preview-buffer)
595 (get-largest-window))))
600 (defun mime-method-to-display-message/external-ftp (beg end cal)
601 (let* ((site (cdr (assoc "site" cal)))
602 (directory (cdr (assoc "directory" cal)))
603 (name (cdr (assoc "name" cal)))
604 ;;(mode (cdr (assoc "mode" cal)))
605 (pathname (concat "/anonymous@" site ":" directory))
607 (message (concat "Accessing " (expand-file-name name pathname) "..."))
608 (funcall mime-raw-dired-function pathname)
609 (goto-char (point-min))
610 (search-forward name)
617 (defun mime-method-to-display-caesar (start end cal)
618 "Internal method for mime-view to display ROT13-47-48 message."
619 (let* ((cnum (mime-raw-point-to-entity-number start))
620 (new-name (format "%s-%s" (buffer-name) cnum))
621 (the-buf (current-buffer))
622 (mother mime-preview-buffer)
623 (charset (cdr (assoc "charset" cal)))
624 (encoding (cdr (assq 'encoding cal)))
627 (let ((pwin (or (get-buffer-window mother)
628 (get-largest-window)))
629 (buf (get-buffer-create new-name))
631 (set-window-buffer pwin buf)
635 (setq buffer-read-only nil)
637 (insert-buffer-substring the-buf start end)
638 (goto-char (point-min))
639 (if (re-search-forward "^\n" nil t)
640 (delete-region (point-min) (match-end 0))
642 (let ((m (cdr (or (assq mode mime-text-decoder-alist)
643 (assq t mime-text-decoder-alist)))))
645 (funcall m charset encoding)
647 (mule-caesar-region (point-min) (point-max))
648 (set-buffer-modified-p nil)
650 (view-buffer new-name)
659 (let* ((file mime-acting-situation-examples-file)
660 (buffer (get-buffer-create " *mime-example*")))
661 (if (file-readable-p file)
666 (insert-file-contents file)
667 (eval-current-buffer)
669 (or (eq (car mime-acting-situation-examples) 'type)
670 (setq mime-acting-situation-examples nil))
672 (kill-buffer buffer))))
674 ;;; mime-play.el ends here