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comparison lisp/tm/tm-play.el @ 4:b82b59fe008d r19-15b3

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date Mon, 13 Aug 2007 08:46:56 +0200
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3:30df88044ec6 4:b82b59fe008d
1 ;;; tm-play.el --- decoder for tm-view.el
2
3 ;; Copyright (C) 1994,1995,1996 Free Software Foundation, Inc.
4
5 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
6 ;; Created: 1995/9/26 (separated from tm-view.el)
7 ;; Version: $Id: tm-play.el,v 1.1.1.1 1996/12/18 03:55:32 steve Exp $
8 ;; Keywords: mail, news, MIME, multimedia
9
10 ;; This file is part of tm (Tools for MIME).
11
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.
16
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.
21
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.
26
27 ;;; Code:
28
29 (require 'tm-view)
30
31 (defvar mime-viewer/external-progs "/usr/local/share/tm"
32 "*Directory containing tm external methods.")
33
34 (add-to-list 'exec-path mime-viewer/external-progs)
35
36 (let ((paths (parse-colon-path (getenv "PATH"))))
37 (or (member mime-viewer/external-progs paths)
38 (setenv "PATH"
39 (mapconcat (function identity)
40 (append paths (list mime-viewer/external-progs))
41 path-separator))
42 ))
43
44
45 ;;; @ content decoder
46 ;;;
47
48 (defvar mime-preview/after-decoded-position nil)
49
50 (defun mime-preview/decode-content ()
51 (interactive)
52 (let ((pc (mime-preview/point-pcinfo (point))))
53 (if pc
54 (let ((the-buf (current-buffer)))
55 (setq mime-preview/after-decoded-position (point))
56 (set-buffer (mime::preview-content-info/buffer pc))
57 (mime-article/decode-content
58 (mime::preview-content-info/content-info pc))
59 (if (eq (current-buffer)
60 (mime::preview-content-info/buffer pc))
61 (progn
62 (set-buffer the-buf)
63 (goto-char mime-preview/after-decoded-position)
64 ))
65 ))))
66
67 (defun mime-article/decode-content (cinfo)
68 (let ((beg (mime::content-info/point-min cinfo))
69 (end (mime::content-info/point-max cinfo))
70 (ctype (or (mime::content-info/type cinfo) "text/plain"))
71 (params (mime::content-info/parameters cinfo))
72 (encoding (mime::content-info/encoding cinfo))
73 )
74 ;; Check for VM
75 (if (< beg (point-min))
76 (setq beg (point-min))
77 )
78 (if (< (point-max) end)
79 (setq end (point-max))
80 )
81 (let (method cal ret)
82 (setq cal (list* (cons 'type ctype)
83 (cons 'encoding encoding)
84 (cons 'major-mode major-mode)
85 params))
86 (if mime-viewer/decoding-mode
87 (setq cal (cons
88 (cons 'mode mime-viewer/decoding-mode)
89 cal))
90 )
91 (setq ret (mime/get-content-decoding-alist cal))
92 (setq method (cdr (assq 'method ret)))
93 (cond ((and (symbolp method)
94 (fboundp method))
95 (funcall method beg end ret)
96 )
97 ((and (listp method)(stringp (car method)))
98 (mime-article/start-external-method-region beg end ret)
99 )
100 (t
101 (mime-article/show-output-buffer
102 "No method are specified for %s\n" ctype)
103 ))
104 )
105 ))
106
107 (defun field-unifier-for-mode (a b)
108 (let ((va (cdr a)))
109 (if (if (consp va)
110 (member (cdr b) va)
111 (equal va (cdr b))
112 )
113 (list nil b nil)
114 )))
115
116 (defun mime/get-content-decoding-alist (al)
117 (get-unified-alist mime/content-decoding-condition al)
118 )
119
120
121 ;;; @ external decoder
122 ;;;
123
124 (defun mime-article/start-external-method-region (beg end cal)
125 (save-excursion
126 (save-restriction
127 (narrow-to-region beg end)
128 (goto-char beg)
129 (let ((method (cdr (assoc 'method cal)))
130 (name (mime-article/get-filename cal))
131 )
132 (if method
133 (let ((file (make-temp-name
134 (expand-file-name "TM" mime/tmp-dir)))
135 b args)
136 (if (nth 1 method)
137 (setq b beg)
138 (setq b
139 (if (re-search-forward "^$" nil t)
140 (1+ (match-end 0))
141 (point-min)
142 ))
143 )
144 (goto-char b)
145 (write-region b end file)
146 (message "External method is starting...")
147 (setq cal (put-alist
148 'name (replace-as-filename name) cal))
149 (setq cal (put-alist 'file file cal))
150 (setq args (nconc
151 (list (car method)
152 mime/output-buffer-name (car method)
153 )
154 (mime-article/make-method-args cal
155 (cdr (cdr method)))
156 ))
157 (apply (function start-process) args)
158 (mime-article/show-output-buffer)
159 ))
160 ))))
161
162 (defun mime-article/make-method-args (cal format)
163 (mapcar (function
164 (lambda (arg)
165 (if (stringp arg)
166 arg
167 (let* ((item (eval arg))
168 (ret (cdr (assoc item cal)))
169 )
170 (if ret
171 ret
172 (if (eq item 'encoding)
173 "7bit"
174 ""))
175 ))
176 ))
177 format))
178
179 (defun mime-article/show-output-buffer (&rest forms)
180 (get-buffer-create mime/output-buffer-name)
181 (let ((the-win (selected-window))
182 (win (get-buffer-window mime/output-buffer-name))
183 )
184 (or win
185 (if (and mime/output-buffer-window-is-shared-with-bbdb
186 (boundp 'bbdb-buffer-name)
187 (setq win (get-buffer-window bbdb-buffer-name))
188 )
189 (set-window-buffer win mime/output-buffer-name)
190 (select-window (get-buffer-window mime::article/preview-buffer))
191 (setq win (split-window-vertically (/ (* (window-height) 3) 4)))
192 (set-window-buffer win mime/output-buffer-name)
193 ))
194 (select-window win)
195 (goto-char (point-max))
196 (if forms
197 (insert (apply (function format) forms))
198 )
199 (select-window the-win)
200 ))
201
202
203 ;;; @ file name
204 ;;;
205
206 (defvar mime-viewer/file-name-char-regexp "[A-Za-z0-9+_-]")
207
208 (defvar mime-viewer/file-name-regexp-1
209 (concat mime-viewer/file-name-char-regexp "+\\."
210 mime-viewer/file-name-char-regexp "+"))
211
212 (defvar mime-viewer/file-name-regexp-2
213 (concat (regexp-* mime-viewer/file-name-char-regexp)
214 "\\(\\." mime-viewer/file-name-char-regexp "+\\)*"))
215
216 (defun mime-article/get-original-filename (param &optional encoding)
217 (or (mime-article/get-uu-filename param encoding)
218 (let (ret)
219 (or (if (or (and (setq ret (mime/Content-Disposition))
220 (setq ret (assoc "filename" (cdr ret)))
221 )
222 (setq ret (assoc "name" param))
223 (setq ret (assoc "x-name" param))
224 )
225 (std11-strip-quoted-string (cdr ret))
226 )
227 (if (setq ret
228 (std11-find-field-body '("Content-Description"
229 "Subject")))
230 (if (or (string-match mime-viewer/file-name-regexp-1 ret)
231 (string-match mime-viewer/file-name-regexp-2 ret))
232 (substring ret (match-beginning 0)(match-end 0))
233 ))
234 ))
235 ))
236
237 (defun mime-article/get-filename (param)
238 (replace-as-filename (mime-article/get-original-filename param))
239 )
240
241
242 ;;; @ mail/news message
243 ;;;
244
245 (defun mime-viewer/quitting-method-for-mime/show-message-mode ()
246 (let ((mother mime::preview/mother-buffer)
247 (win-conf mime::preview/original-window-configuration)
248 )
249 (kill-buffer
250 (mime::preview-content-info/buffer (car mime::preview/content-list)))
251 (mime-viewer/kill-buffer)
252 (set-window-configuration win-conf)
253 (pop-to-buffer mother)
254 ;;(goto-char (point-min))
255 ;;(mime-viewer/up-content)
256 ))
257
258 (defun mime-article/view-message/rfc822 (beg end cal)
259 (let* ((cnum (mime-article/point-content-number beg))
260 (cur-buf (current-buffer))
261 (new-name (format "%s-%s" (buffer-name) cnum))
262 (mother mime::article/preview-buffer)
263 (code-converter
264 (or (cdr (assq major-mode mime-viewer/code-converter-alist))
265 'mime-viewer/default-code-convert-region))
266 str)
267 (setq str (buffer-substring beg end))
268 (switch-to-buffer new-name)
269 (erase-buffer)
270 (insert str)
271 (goto-char (point-min))
272 (if (re-search-forward "^\n" nil t)
273 (delete-region (point-min) (match-end 0))
274 )
275 (setq major-mode 'mime/show-message-mode)
276 (setq mime::article/code-converter code-converter)
277 (mime/viewer-mode mother)
278 ))
279
280
281 ;;; @ message/partial
282 ;;;
283
284 (defvar mime-article/coding-system-alist
285 (and (boundp 'MULE)
286 '((mh-show-mode . *noconv*)
287 (t . *ctext*)
288 )))
289
290 (defvar mime-article/kanji-code-alist
291 (and (boundp 'NEMACS)
292 '((mh-show-mode . nil)
293 (t . 2)
294 )))
295
296 (defun mime-article/decode-message/partial (beg end cal)
297 (goto-char beg)
298 (let* ((root-dir (expand-file-name
299 (concat "m-prts-" (user-login-name)) mime/tmp-dir))
300 (id (cdr (assoc "id" cal)))
301 (number (cdr (assoc "number" cal)))
302 (total (cdr (assoc "total" cal)))
303 (the-buf (current-buffer))
304 file
305 (mother mime::article/preview-buffer)
306 (win-conf (save-excursion
307 (set-buffer mother)
308 mime::preview/original-window-configuration))
309 )
310 (if (not (file-exists-p root-dir))
311 (make-directory root-dir)
312 )
313 (setq id (replace-as-filename id))
314 (setq root-dir (concat root-dir "/" id))
315 (if (not (file-exists-p root-dir))
316 (make-directory root-dir)
317 )
318 (setq file (concat root-dir "/FULL"))
319 (if (not (file-exists-p file))
320 (progn
321 (re-search-forward "^$")
322 (goto-char (1+ (match-end 0)))
323 (setq file (concat root-dir "/" number))
324 (let ((file-coding-system
325 (cdr
326 (or (assq major-mode mime-article/coding-system-alist)
327 (assq t mime-article/coding-system-alist)
328 )))
329 (kanji-fileio-code
330 (cdr
331 (or (assq major-mode mime-article/kanji-code-alist)
332 (assq t mime-article/kanji-code-alist)
333 )))
334 )
335 (write-region (point) (point-max) file)
336 )
337 (if (get-buffer mime/temp-buffer-name)
338 (kill-buffer mime/temp-buffer-name)
339 )
340 (switch-to-buffer mime/temp-buffer-name)
341 (let ((i 1)
342 (max (string-to-int total))
343 (file-coding-system-for-read (if (boundp 'MULE)
344 *noconv*))
345 kanji-fileio-code)
346 (catch 'tag
347 (while (<= i max)
348 (setq file (concat root-dir "/" (int-to-string i)))
349 (if (not (file-exists-p file))
350 (progn
351 (switch-to-buffer the-buf)
352 (throw 'tag nil)
353 ))
354 (insert-file-contents file)
355 (goto-char (point-max))
356 (setq i (1+ i))
357 )
358 ;;(delete-other-windows)
359 (let ((buf (current-buffer)))
360 (write-file (concat root-dir "/FULL"))
361 (set-window-configuration win-conf)
362 (let ((win (get-buffer-window mother)))
363 (if win
364 (select-window win)
365 ))
366 (set-window-buffer (selected-window) buf)
367 ;;(set-window-buffer buf)
368 (setq major-mode 'mime/show-message-mode)
369 )
370 (mime/viewer-mode mother)
371 (pop-to-buffer (current-buffer))
372 ))
373 )
374 (progn
375 ;;(delete-other-windows)
376 (set-window-configuration win-conf)
377 (select-window (or (get-buffer-window mother)
378 (get-buffer-window
379 (save-excursion
380 (set-buffer mother)
381 mime::preview/article-buffer))
382 (get-largest-window)
383 ))
384 (as-binary-input-file
385 (set-buffer (get-buffer-create "FULL"))
386 (insert-file-contents file)
387 )
388 (setq major-mode 'mime/show-message-mode)
389 (mime/viewer-mode mother)
390 ;;(pop-to-buffer (current-buffer))
391 ))
392 ))
393
394
395 ;;; @ rot13-47
396 ;;;
397
398 (defun mime-article/decode-caesar (beg end cal)
399 (let* ((cnum (mime-article/point-content-number beg))
400 (cur-buf (current-buffer))
401 (new-name (format "%s-%s" (buffer-name) cnum))
402 (mother mime::article/preview-buffer)
403 (charset (cdr (assoc "charset" cal)))
404 (encoding (cdr (assq 'encoding cal)))
405 (mode major-mode)
406 str)
407 (setq str (buffer-substring beg end))
408 (switch-to-buffer new-name)
409 (setq buffer-read-only nil)
410 (erase-buffer)
411 (insert str)
412 (goto-char (point-min))
413 (if (re-search-forward "^\n" nil t)
414 (delete-region (point-min) (match-end 0))
415 )
416 (let ((m (cdr (or (assq mode mime-viewer/code-converter-alist)
417 (assq t mime-viewer/code-converter-alist)))))
418 (and (functionp m)
419 (funcall m charset encoding)
420 ))
421 (save-excursion
422 (set-mark (point-min))
423 (goto-char (point-max))
424 (tm:caesar-region)
425 )
426 (view-mode)
427 ))
428
429
430 ;;; @ end
431 ;;;
432
433 (provide 'tm-play)
434
435 ;;; tm-play.el ends here