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 (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 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 (defsubst mime-delq-null-situation (situations field)
126 (let ((situation (car situations)))
127 (if (assq field situation)
128 (setq dest (cons situation dest))
130 (setq situations (cdr situations)))
133 (defun mime-raw-play-entity (entity &optional mode)
134 "Play entity specified by ENTITY.
135 It decodes the entity to call internal or external method. The method
136 is selected from variable `mime-acting-condition'. If MODE is
137 specified, play as it. Default MODE is \"play\"."
138 (let ((beg (mime-entity-point-min entity))
139 (end (mime-entity-point-max entity)))
140 (let (method cal ret)
141 (setq cal (mime-entity-situation entity))
143 (setq cal (cons (cons 'mode mode) cal))
146 (or (ctree-match-calist mime-acting-situation-examples cal)
147 (ctree-match-calist-partially mime-acting-situation-examples
151 (or (mime-delq-null-situation
152 (ctree-find-calist mime-acting-condition ret
153 mime-view-find-every-acting-situation)
155 (mime-delq-null-situation
156 (ctree-find-calist mime-acting-condition cal
157 mime-view-find-every-acting-situation)
161 (setq ret (select-menu-alist
167 (cdr (assq 'method situation)))
170 (setq ret (mime-sort-situation ret))
171 (ctree-set-calist-strictly 'mime-acting-situation-examples ret)
176 (setq method (cdr (assq 'method ret)))
177 (cond ((and (symbolp method)
179 (funcall method entity ret)
182 (mime-activate-mailcap-method beg end ret)
184 ((and (listp method)(stringp (car method)))
185 (mime-activate-external-method beg end ret)
188 (mime-show-echo-buffer "No method are specified for %s\n"
189 (mime-entity-type/subtype entity))
194 ;;; @ external decoder
197 (defvar mime-mailcap-method-filename-alist nil)
199 (defun mime-activate-mailcap-method (start end situation)
202 (narrow-to-region start end)
204 (let ((method (cdr (assoc 'method situation)))
205 (name (expand-file-name (mime-raw-get-filename situation)
206 mime-temp-directory)))
207 (mime-write-decoded-region (if (re-search-forward "^$" end t)
211 (cdr (assq 'encoding situation)))
212 (message "External method is starting...")
215 (mailcap-format-command
217 (cons (cons 'filename name) situation))))
218 (start-process command mime-echo-buffer-name
219 shell-file-name shell-command-switch command)
221 (set-alist 'mime-mailcap-method-filename-alist process name)
222 (set-process-sentinel process 'mime-mailcap-method-sentinel)
224 ;;(mime-show-echo-buffer)
227 (defun mime-mailcap-method-sentinel (process event)
228 (let ((file (cdr (assq process mime-mailcap-method-filename-alist))))
229 (if (file-exists-p file)
232 (remove-alist 'mime-mailcap-method-filename-alist process)
233 (message (format "%s %s" process event)))
235 (defun mime-activate-external-method (beg end cal)
238 (narrow-to-region beg end)
240 (let ((method (cdr (assoc 'method cal)))
241 (name (mime-raw-get-filename cal))
244 (let ((file (make-temp-name
245 (expand-file-name "TM" mime-temp-directory)))
250 (if (re-search-forward "^$" nil t)
256 (write-region b end file)
257 (message "External method is starting...")
259 'name (replace-as-filename name) cal))
260 (setq cal (put-alist 'file file cal))
263 mime-echo-buffer-name (car method)
265 (mime-make-external-method-args
266 cal (cdr (cdr method)))
268 (apply (function start-process) args)
269 (mime-show-echo-buffer)
273 (defun mime-make-external-method-args (cal format)
278 (let* ((item (eval arg))
279 (ret (cdr (assoc item cal)))
283 (if (eq item 'encoding)
290 (defvar mime-echo-window-is-shared-with-bbdb t
291 "*If non-nil, mime-echo window is shared with BBDB window.")
293 (defvar mime-echo-window-height
296 (/ (window-height) 5)
298 "*Size of mime-echo window.
299 It allows function or integer. If it is function,
300 `mime-show-echo-buffer' calls it to get height of mime-echo window.
301 Otherwise `mime-show-echo-buffer' uses it as height of mime-echo
304 (defun mime-show-echo-buffer (&rest forms)
305 "Show mime-echo buffer to display MIME-playing information."
306 (get-buffer-create mime-echo-buffer-name)
307 (let ((the-win (selected-window))
308 (win (get-buffer-window mime-echo-buffer-name))
311 (if (and mime-echo-window-is-shared-with-bbdb
312 (boundp 'bbdb-buffer-name)
313 (setq win (get-buffer-window bbdb-buffer-name))
315 (set-window-buffer win mime-echo-buffer-name)
316 (select-window (get-buffer-window mime-preview-buffer))
317 (setq win (split-window-vertically
319 (if (functionp mime-echo-window-height)
320 (funcall mime-echo-window-height)
321 mime-echo-window-height)
323 (set-window-buffer win mime-echo-buffer-name)
326 (goto-char (point-max))
328 (insert (apply (function format) forms))
330 (select-window the-win)
337 (defvar mime-view-file-name-char-regexp "[A-Za-z0-9+_-]")
339 (defvar mime-view-file-name-regexp-1
340 (concat mime-view-file-name-char-regexp "+\\."
341 mime-view-file-name-char-regexp "+"))
343 (defvar mime-view-file-name-regexp-2
344 (concat (regexp-* mime-view-file-name-char-regexp)
345 "\\(\\." mime-view-file-name-char-regexp "+\\)*"))
347 (defun mime-raw-get-original-filename (param)
348 (or (if (member (cdr (assq 'encoding param))
349 mime-view-uuencode-encoding-name-list)
350 (mime-raw-get-uu-filename))
352 (or (if (or (and (setq ret (mime-read-Content-Disposition))
356 (mime-content-disposition-parameters ret)))
358 (setq ret (assoc "name" param))
359 (setq ret (assoc "x-name" param))
361 (std11-strip-quoted-string (cdr ret))
364 (std11-find-field-body '("Content-Description"
366 (if (or (string-match mime-view-file-name-regexp-1 ret)
367 (string-match mime-view-file-name-regexp-2 ret))
368 (substring ret (match-beginning 0)(match-end 0))
373 (defun mime-raw-get-filename (param)
374 (replace-as-filename (mime-raw-get-original-filename param))
378 ;;; @ file extraction
381 (defun mime-method-to-save (entity cal)
382 (let ((beg (mime-entity-point-min entity))
383 (end (mime-entity-point-max entity)))
385 (let* ((name (save-restriction
386 (narrow-to-region beg end)
387 (mime-raw-get-filename cal)
389 (encoding (or (cdr (assq 'encoding cal)) "7bit"))
390 (filename (if (and name (not (string-equal name "")))
391 (expand-file-name name
392 (save-window-excursion
396 (interactive "DDirectory: ")
398 (save-window-excursion
402 (interactive "FFilename: ")
403 (expand-file-name file)))))))
405 (if (file-exists-p filename)
406 (or (yes-or-no-p (format "File %s exists. Save anyway? " filename))
408 (re-search-forward "\n\n")
409 (mime-write-decoded-region (match-end 0) end filename encoding)
413 ;;; @ mail/news message
416 (defun mime-preview-quitting-method-for-mime-show-message-mode ()
417 "Quitting method for mime-view.
418 It is registered to variable `mime-preview-quitting-method-alist'."
419 (let ((mother mime-mother-buffer)
420 (win-conf mime-preview-original-window-configuration)
422 (kill-buffer mime-raw-buffer)
423 (mime-preview-kill-buffer)
424 (set-window-configuration win-conf)
425 (pop-to-buffer mother)
428 (defun mime-method-to-display-message/rfc822 (entity cal)
429 (let* ((beg (mime-entity-point-min entity))
430 (end (mime-entity-point-max entity))
431 (cnum (mime-raw-point-to-entity-number beg))
432 (new-name (format "%s-%s" (buffer-name) cnum))
433 (mother mime-preview-buffer)
435 (cdr (or (assq major-mode mime-raw-representation-type-alist)
436 (assq t mime-raw-representation-type-alist))))
438 (setq str (buffer-substring beg end))
439 (switch-to-buffer new-name)
442 (goto-char (point-min))
443 (if (re-search-forward "^\n" nil t)
444 (delete-region (point-min) (match-end 0))
446 (setq major-mode 'mime-show-message-mode)
447 (setq mime-raw-representation-type representation-type)
448 (mime-view-mode mother)
452 ;;; @ message/partial
455 (defun mime-raw-write-region (start end filename)
456 "Write current region into specified file.
457 When called from a program, takes three arguments:
458 START, END and FILENAME. START and END are buffer positions.
459 It refer `mime-raw-representation-type' or `major-mode
460 mime-raw-representation-type-alist'. If it is `binary', region is
461 saved as binary. Otherwise the region is saved by `write-region'."
462 (let ((presentation-type
463 (or mime-raw-representation-type
464 (cdr (or (assq major-mode mime-raw-representation-type-alist)
465 (assq t mime-raw-representation-type-alist))))))
466 (if (eq presentation-type 'binary)
467 (write-region-as-binary start end filename)
468 (write-region start end filename)
471 (defun mime-method-to-store-message/partial (entity cal)
472 (goto-char (mime-entity-point-min entity))
475 (concat "m-prts-" (user-login-name)) mime-temp-directory))
476 (id (cdr (assoc "id" cal)))
477 (number (cdr (assoc "number" cal)))
478 (total (cdr (assoc "total" cal)))
480 (mother mime-preview-buffer)
482 (or (file-exists-p root-dir)
483 (make-directory root-dir)
485 (setq id (replace-as-filename id))
486 (setq root-dir (concat root-dir "/" id))
487 (or (file-exists-p root-dir)
488 (make-directory root-dir)
490 (setq file (concat root-dir "/FULL"))
491 (if (file-exists-p file)
492 (let ((full-buf (get-buffer-create "FULL"))
493 (pwin (or (get-buffer-window mother)
494 (get-largest-window)))
496 (save-window-excursion
497 (set-buffer full-buf)
499 (as-binary-input-file (insert-file-contents file))
500 (setq major-mode 'mime-show-message-mode)
501 (mime-view-mode mother)
503 (set-window-buffer pwin
505 (set-buffer full-buf)
506 mime-preview-buffer))
509 (re-search-forward "^$")
510 (goto-char (1+ (match-end 0)))
511 (setq file (concat root-dir "/" number))
512 (mime-raw-write-region (point) (mime-entity-point-max entity) file)
513 (let ((total-file (concat root-dir "/CT")))
517 (or (file-exists-p total-file)
520 (get-buffer-create mime-temp-buffer-name))
523 (write-region (point-min)(point-max) total-file)
524 (kill-buffer (current-buffer))
526 (string-to-number total)
528 (and (file-exists-p total-file)
530 (set-buffer (find-file-noselect total-file))
532 (and (re-search-forward "[0-9]+" nil t)
534 (buffer-substring (match-beginning 0)
537 (kill-buffer (current-buffer))
540 (if (and total (> total 0))
543 (set-buffer (get-buffer-create mime-temp-buffer-name))
544 (let ((full-buf (current-buffer)))
548 (setq file (concat root-dir "/" (int-to-string i)))
549 (or (file-exists-p file)
552 (as-binary-input-file (insert-file-contents file))
553 (goto-char (point-max))
556 (as-binary-output-file
557 (write-region (point-min)(point-max)
558 (expand-file-name "FULL" root-dir)))
561 (let ((file (format "%s/%d" root-dir i)))
562 (and (file-exists-p file)
567 (let ((file (expand-file-name "CT" root-dir)))
568 (and (file-exists-p file)
571 (save-window-excursion
572 (setq major-mode 'mime-show-message-mode)
573 (mime-view-mode mother)
575 (let ((pwin (or (get-buffer-window mother)
578 (pbuf (save-excursion
579 (set-buffer full-buf)
580 mime-preview-buffer)))
581 (set-window-buffer pwin pbuf)
587 ;;; @ message/external-body
590 (defvar mime-raw-dired-function
591 (if (and (>= emacs-major-version 19) window-system)
592 (function dired-other-frame)
593 (function mime-raw-dired-function-for-one-frame)
596 (defun mime-raw-dired-function-for-one-frame (dir)
597 (let ((win (or (get-buffer-window mime-preview-buffer)
598 (get-largest-window))))
603 (defun mime-method-to-display-message/external-ftp (entity cal)
604 (let* ((site (cdr (assoc "site" cal)))
605 (directory (cdr (assoc "directory" cal)))
606 (name (cdr (assoc "name" cal)))
607 (pathname (concat "/anonymous@" site ":" directory)))
608 (message (concat "Accessing " (expand-file-name name pathname) "..."))
609 (funcall mime-raw-dired-function pathname)
610 (goto-char (point-min))
611 (search-forward name)
618 (defun mime-method-to-display-caesar (entity situation)
619 "Internal method for mime-view to display ROT13-47-48 message."
620 (let* ((new-name (format "%s-%s" (buffer-name)
621 (mime-entity-number entity)))
622 (mother mime-preview-buffer))
623 (let ((pwin (or (get-buffer-window mother)
624 (get-largest-window)))
625 (buf (get-buffer-create new-name)))
626 (set-window-buffer pwin buf)
630 (setq buffer-read-only nil)
632 (mime-text-insert-decoded-body entity)
633 (mule-caesar-region (point-min) (point-max))
634 (set-buffer-modified-p nil)
636 (view-buffer new-name)
645 (let* ((file mime-acting-situation-examples-file)
646 (buffer (get-buffer-create " *mime-example*")))
647 (if (file-readable-p file)
652 (insert-file-contents file)
655 (or (eq (car mime-acting-situation-examples) 'type)
656 (setq mime-acting-situation-examples nil))
658 (kill-buffer buffer))))
660 ;;; mime-play.el ends here