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.
37 (error (defvar bbdb-buffer-name nil))
40 (defvar mime-acting-situation-examples nil)
42 (defun mime-save-acting-situation-examples ()
43 (let* ((file mime-acting-situation-examples-file)
44 (buffer (get-buffer-create " *mime-example*")))
48 (setq buffer-file-name file)
50 (insert ";;; " (file-name-nondirectory file) "\n")
51 (insert "\n;; This file is generated automatically by "
52 mime-view-version-string "\n\n")
53 (insert ";;; Code:\n\n")
54 (pp `(setq mime-acting-situation-examples
55 ',mime-acting-situation-examples)
58 (file-name-nondirectory file)
61 (kill-buffer buffer))))
63 (add-hook 'kill-emacs-hook 'mime-save-acting-situation-examples)
69 (defvar mime-preview-after-decoded-position nil)
71 (defun mime-preview-play-current-entity (&optional mode)
73 It decodes current entity to call internal or external method. The
74 method is selected from variable `mime-acting-condition'.
75 If MODE is specified, play as it. Default MODE is \"play\"."
79 (let ((entity-info (get-text-property (point) 'mime-view-entity)))
81 (let ((the-buf (current-buffer))
82 (raw-buffer (get-text-property (point) 'mime-view-raw-buffer)))
83 (setq mime-preview-after-decoded-position (point))
84 (set-buffer raw-buffer)
85 (mime-raw-play-entity entity-info mode)
86 (when (eq (current-buffer) raw-buffer)
88 (goto-char mime-preview-after-decoded-position)
91 (defun mime-sort-situation (situation)
102 (let ((ret (assq a-t order)))
104 (setq a-order (cdr ret))
110 (let ((ret (assq b-t order)))
112 (setq b-order (cdr ret))
117 (if (= a-order b-order)
118 (string< (format "%s" a-t)(format "%s" b-t))
123 (defun mime-raw-play-entity (entity-info &optional mode)
124 "Play entity specified by ENTITY-INFO.
125 It decodes the entity to call internal or external method. The method
126 is selected from variable `mime-acting-condition'. If MODE is
127 specified, play as it. Default MODE is \"play\"."
128 (let ((beg (mime-entity-point-min entity-info))
129 (end (mime-entity-point-max entity-info))
130 (content-type (mime-entity-content-type entity-info))
131 (encoding (mime-entity-encoding entity-info)))
133 (setq content-type (make-mime-content-type 'text 'plain)))
134 (let (method cal ret)
135 (setq cal (list* (cons 'major-mode major-mode)
136 (cons 'encoding encoding)
139 (setq cal (cons (cons 'mode mode) cal))
142 (or (ctree-match-calist mime-acting-situation-examples cal)
143 (ctree-match-calist-partially mime-acting-situation-examples
147 (or (ctree-find-calist mime-acting-condition ret
148 mime-view-find-every-acting-situation)
149 (ctree-find-calist mime-acting-condition cal
150 mime-view-find-every-acting-situation)
153 (setq ret (select-menu-alist
159 (cdr (assq 'method situation)))
162 (setq ret (mime-sort-situation ret))
163 (ctree-set-calist-strictly 'mime-acting-situation-examples ret)
168 (setq method (cdr (assq 'method ret)))
169 (cond ((and (symbolp method)
171 (funcall method beg end ret)
174 (mime-activate-mailcap-method beg end ret)
176 ((and (listp method)(stringp (car method)))
177 (mime-activate-external-method beg end ret)
180 (mime-show-echo-buffer
181 "No method are specified for %s\n"
182 (mime-type/subtype-string
183 (mime-content-type-primary-type content-type)
184 (mime-content-type-subtype content-type))
189 ;;; @ external decoder
192 (defvar mime-mailcap-method-filename-alist nil)
194 (defun mime-activate-mailcap-method (start end situation)
197 (narrow-to-region start end)
199 (let ((method (cdr (assoc 'method situation)))
200 (name (expand-file-name (mime-raw-get-filename situation)
201 mime-temp-directory)))
202 (mime-write-decoded-region (if (re-search-forward "^$" end t)
206 (cdr (assq 'encoding situation)))
207 (message "External method is starting...")
210 (mailcap-format-command
212 (cons (cons 'filename name) situation))))
213 (start-process command mime-echo-buffer-name
214 shell-file-name shell-command-switch command)
216 (set-alist 'mime-mailcap-method-filename-alist process name)
217 (set-process-sentinel process 'mime-mailcap-method-sentinel)
219 ;;(mime-show-echo-buffer)
222 (defun mime-mailcap-method-sentinel (process event)
223 (let ((file (cdr (assq process mime-mailcap-method-filename-alist))))
224 (if (file-exists-p file)
227 (remove-alist 'mime-mailcap-method-filename-alist process)
228 (message (format "%s %s" process event)))
230 (defun mime-activate-external-method (beg end cal)
233 (narrow-to-region beg end)
235 (let ((method (cdr (assoc 'method cal)))
236 (name (mime-raw-get-filename cal))
239 (let ((file (make-temp-name
240 (expand-file-name "TM" mime-temp-directory)))
245 (if (re-search-forward "^$" nil t)
251 (write-region b end file)
252 (message "External method is starting...")
254 'name (replace-as-filename name) cal))
255 (setq cal (put-alist 'file file cal))
258 mime-echo-buffer-name (car method)
260 (mime-make-external-method-args
261 cal (cdr (cdr method)))
263 (apply (function start-process) args)
264 (mime-show-echo-buffer)
268 (defun mime-make-external-method-args (cal format)
273 (let* ((item (eval arg))
274 (ret (cdr (assoc item cal)))
278 (if (eq item 'encoding)
285 (defvar mime-echo-window-is-shared-with-bbdb t
286 "*If non-nil, mime-echo window is shared with BBDB window.")
288 (defvar mime-echo-window-height
291 (/ (window-height) 5)
293 "*Size of mime-echo window.
294 It allows function or integer. If it is function,
295 `mime-show-echo-buffer' calls it to get height of mime-echo window.
296 Otherwise `mime-show-echo-buffer' uses it as height of mime-echo
299 (defun mime-show-echo-buffer (&rest forms)
300 "Show mime-echo buffer to display MIME-playing information."
301 (get-buffer-create mime-echo-buffer-name)
302 (let ((the-win (selected-window))
303 (win (get-buffer-window mime-echo-buffer-name))
306 (if (and mime-echo-window-is-shared-with-bbdb
307 (boundp 'bbdb-buffer-name)
308 (setq win (get-buffer-window bbdb-buffer-name))
310 (set-window-buffer win mime-echo-buffer-name)
311 (select-window (get-buffer-window mime-preview-buffer))
312 (setq win (split-window-vertically
314 (if (functionp mime-echo-window-height)
315 (funcall mime-echo-window-height)
316 mime-echo-window-height)
318 (set-window-buffer win mime-echo-buffer-name)
321 (goto-char (point-max))
323 (insert (apply (function format) forms))
325 (select-window the-win)
332 (defvar mime-view-file-name-char-regexp "[A-Za-z0-9+_-]")
334 (defvar mime-view-file-name-regexp-1
335 (concat mime-view-file-name-char-regexp "+\\."
336 mime-view-file-name-char-regexp "+"))
338 (defvar mime-view-file-name-regexp-2
339 (concat (regexp-* mime-view-file-name-char-regexp)
340 "\\(\\." mime-view-file-name-char-regexp "+\\)*"))
342 (defun mime-raw-get-original-filename (param)
343 (or (if (member (cdr (assq 'encoding param))
344 mime-view-uuencode-encoding-name-list)
345 (mime-raw-get-uu-filename))
347 (or (if (or (and (setq ret (mime-read-Content-Disposition))
351 (mime-content-disposition-parameters ret)))
353 (setq ret (assoc "name" param))
354 (setq ret (assoc "x-name" param))
356 (std11-strip-quoted-string (cdr ret))
359 (std11-find-field-body '("Content-Description"
361 (if (or (string-match mime-view-file-name-regexp-1 ret)
362 (string-match mime-view-file-name-regexp-2 ret))
363 (substring ret (match-beginning 0)(match-end 0))
368 (defun mime-raw-get-filename (param)
369 (replace-as-filename (mime-raw-get-original-filename param))
373 ;;; @ file extraction
376 (defun mime-method-to-save (beg end cal)
380 (narrow-to-region beg end)
381 (mime-raw-get-filename cal)
383 (encoding (or (cdr (assq 'encoding cal)) "7bit"))
385 (if (and name (not (string-equal name "")))
386 (expand-file-name name
387 (save-window-excursion
391 (interactive "DDirectory: ")
393 (save-window-excursion
397 (interactive "FFilename: ")
398 (expand-file-name file)))))))
400 (if (file-exists-p filename)
401 (or (yes-or-no-p (format "File %s exists. Save anyway? " filename))
403 (re-search-forward "\n\n")
404 (mime-write-decoded-region (match-end 0) end filename encoding)
408 ;;; @ mail/news message
411 (defun mime-preview-quitting-method-for-mime-show-message-mode ()
412 "Quitting method for mime-view.
413 It is registered to variable `mime-preview-quitting-method-alist'."
414 (let ((mother mime-mother-buffer)
415 (win-conf mime-preview-original-window-configuration)
417 (kill-buffer mime-raw-buffer)
418 (mime-preview-kill-buffer)
419 (set-window-configuration win-conf)
420 (pop-to-buffer mother)
423 (defun mime-method-to-display-message/rfc822 (beg end cal)
424 (let* ((cnum (mime-raw-point-to-entity-number beg))
425 (new-name (format "%s-%s" (buffer-name) cnum))
426 (mother mime-preview-buffer)
428 (cdr (or (assq major-mode mime-raw-representation-type-alist)
429 (assq t mime-raw-representation-type-alist))))
431 (setq str (buffer-substring beg end))
432 (switch-to-buffer new-name)
435 (goto-char (point-min))
436 (if (re-search-forward "^\n" nil t)
437 (delete-region (point-min) (match-end 0))
439 (setq major-mode 'mime-show-message-mode)
440 (setq mime-raw-representation-type representation-type)
441 (mime-view-mode mother)
445 ;;; @ message/partial
448 (defun mime-raw-write-region (start end filename)
449 "Write current region into specified file.
450 When called from a program, takes three arguments:
451 START, END and FILENAME. START and END are buffer positions.
452 It refer `mime-raw-representation-type' or `major-mode
453 mime-raw-representation-type-alist'. If it is `binary', region is
454 saved as binary. Otherwise the region is saved by `write-region'."
455 (let ((presentation-type
456 (or mime-raw-representation-type
457 (cdr (or (assq major-mode mime-raw-representation-type-alist)
458 (assq t mime-raw-representation-type-alist))))))
459 (if (eq presentation-type 'binary)
460 (write-region-as-binary start end filename)
461 (write-region start end filename)
464 (defun mime-method-to-store-message/partial (beg end cal)
468 (concat "m-prts-" (user-login-name)) mime-temp-directory))
469 (id (cdr (assoc "id" cal)))
470 (number (cdr (assoc "number" cal)))
471 (total (cdr (assoc "total" cal)))
473 (mother mime-preview-buffer)
475 (or (file-exists-p root-dir)
476 (make-directory root-dir)
478 (setq id (replace-as-filename id))
479 (setq root-dir (concat root-dir "/" id))
480 (or (file-exists-p root-dir)
481 (make-directory root-dir)
483 (setq file (concat root-dir "/FULL"))
484 (if (file-exists-p file)
485 (let ((full-buf (get-buffer-create "FULL"))
486 (pwin (or (get-buffer-window mother)
487 (get-largest-window)))
489 (save-window-excursion
490 (set-buffer full-buf)
492 (as-binary-input-file (insert-file-contents file))
493 (setq major-mode 'mime-show-message-mode)
494 (mime-view-mode mother)
496 (set-window-buffer pwin
498 (set-buffer full-buf)
499 mime-preview-buffer))
502 (re-search-forward "^$")
503 (goto-char (1+ (match-end 0)))
504 (setq file (concat root-dir "/" number))
505 (mime-raw-write-region (point) end file)
506 (let ((total-file (concat root-dir "/CT")))
510 (or (file-exists-p total-file)
513 (get-buffer-create mime-temp-buffer-name))
516 (write-region (point-min)(point-max) total-file)
517 (kill-buffer (current-buffer))
519 (string-to-number total)
521 (and (file-exists-p total-file)
523 (set-buffer (find-file-noselect total-file))
525 (and (re-search-forward "[0-9]+" nil t)
527 (buffer-substring (match-beginning 0)
530 (kill-buffer (current-buffer))
533 (if (and total (> total 0))
536 (set-buffer (get-buffer-create mime-temp-buffer-name))
537 (let ((full-buf (current-buffer)))
541 (setq file (concat root-dir "/" (int-to-string i)))
542 (or (file-exists-p file)
545 (as-binary-input-file (insert-file-contents file))
546 (goto-char (point-max))
549 (as-binary-output-file
550 (write-region (point-min)(point-max)
551 (expand-file-name "FULL" root-dir)))
554 (let ((file (format "%s/%d" root-dir i)))
555 (and (file-exists-p file)
560 (let ((file (expand-file-name "CT" root-dir)))
561 (and (file-exists-p file)
564 (save-window-excursion
565 (setq major-mode 'mime-show-message-mode)
566 (mime-view-mode mother)
568 (let ((pwin (or (get-buffer-window mother)
571 (pbuf (save-excursion
572 (set-buffer full-buf)
573 mime-preview-buffer)))
574 (set-window-buffer pwin pbuf)
580 ;;; @ message/external-body
583 (defvar mime-raw-dired-function
584 (if (and (>= emacs-major-version 19) window-system)
585 (function dired-other-frame)
586 (function mime-raw-dired-function-for-one-frame)
589 (defun mime-raw-dired-function-for-one-frame (dir)
590 (let ((win (or (get-buffer-window mime-preview-buffer)
591 (get-largest-window))))
596 (defun mime-method-to-display-message/external-ftp (beg end cal)
597 (let* ((site (cdr (assoc "site" cal)))
598 (directory (cdr (assoc "directory" cal)))
599 (name (cdr (assoc "name" cal)))
600 ;;(mode (cdr (assoc "mode" cal)))
601 (pathname (concat "/anonymous@" site ":" directory))
603 (message (concat "Accessing " (expand-file-name name pathname) "..."))
604 (funcall mime-raw-dired-function pathname)
605 (goto-char (point-min))
606 (search-forward name)
613 (defun mime-method-to-display-caesar (start end cal)
614 "Internal method for mime-view to display ROT13-47-48 message."
615 (let* ((entity (mime-raw-find-entity-from-point start))
616 (new-name (format "%s-%s" (buffer-name)
617 (reverse (mime-entity-node-id entity))))
618 (mother mime-preview-buffer))
619 (let ((pwin (or (get-buffer-window mother)
620 (get-largest-window)))
621 (buf (get-buffer-create new-name)))
622 (set-window-buffer pwin buf)
626 (setq buffer-read-only nil)
628 (mime-text-insert-decoded-body entity)
629 (mule-caesar-region (point-min) (point-max))
630 (set-buffer-modified-p nil)
632 (view-buffer new-name)
641 (let* ((file mime-acting-situation-examples-file)
642 (buffer (get-buffer-create " *mime-example*")))
643 (if (file-readable-p file)
648 (insert-file-contents file)
651 (or (eq (car mime-acting-situation-examples) 'type)
652 (setq mime-acting-situation-examples nil))
654 (kill-buffer buffer))))
656 ;;; mime-play.el ends here