--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lisp/tm/tm-play.el	Mon Aug 13 08:46:56 2007 +0200
@@ -0,0 +1,435 @@
+;;; tm-play.el --- decoder for tm-view.el
+
+;; Copyright (C) 1994,1995,1996 Free Software Foundation, Inc.
+
+;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;; Created: 1995/9/26 (separated from tm-view.el)
+;; Version: $Id: tm-play.el,v 1.1.1.1 1996/12/18 03:55:32 steve Exp $
+;; Keywords: mail, news, MIME, multimedia
+
+;; This file is part of tm (Tools for MIME).
+
+;; This program is free software; you can redistribute it and/or
+;; modify it under the terms of the GNU General Public License as
+;; published by the Free Software Foundation; either version 2, or (at
+;; your option) any later version.
+
+;; This program is distributed in the hope that it will be useful, but
+;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;; General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs; see the file COPYING.  If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;;; Code:
+
+(require 'tm-view)
+
+(defvar mime-viewer/external-progs "/usr/local/share/tm"
+  "*Directory containing tm external methods.")
+
+(add-to-list 'exec-path mime-viewer/external-progs)
+
+(let ((paths (parse-colon-path (getenv "PATH"))))
+  (or (member mime-viewer/external-progs paths)
+      (setenv "PATH"
+	      (mapconcat (function identity)
+			 (append paths (list mime-viewer/external-progs))
+			 path-separator))
+      ))
+
+  
+;;; @ content decoder
+;;;
+
+(defvar mime-preview/after-decoded-position nil)
+
+(defun mime-preview/decode-content ()
+  (interactive)
+  (let ((pc (mime-preview/point-pcinfo (point))))
+    (if pc
+	(let ((the-buf (current-buffer)))
+	  (setq mime-preview/after-decoded-position (point))
+	  (set-buffer (mime::preview-content-info/buffer pc))
+	  (mime-article/decode-content
+	   (mime::preview-content-info/content-info pc))
+	  (if (eq (current-buffer)
+		  (mime::preview-content-info/buffer pc))
+	      (progn
+		(set-buffer the-buf)
+		(goto-char mime-preview/after-decoded-position)
+		))
+	  ))))
+
+(defun mime-article/decode-content (cinfo)
+  (let ((beg (mime::content-info/point-min cinfo))
+	(end (mime::content-info/point-max cinfo))
+	(ctype (or (mime::content-info/type cinfo) "text/plain"))
+	(params (mime::content-info/parameters cinfo))
+	(encoding (mime::content-info/encoding cinfo))
+	)
+    ;; Check for VM
+    (if (< beg (point-min))
+	(setq beg (point-min))
+      )
+    (if (< (point-max) end)
+	(setq end (point-max))
+      )
+    (let (method cal ret)
+      (setq cal (list* (cons 'type ctype)
+		       (cons 'encoding encoding)
+		       (cons 'major-mode major-mode)
+		       params))
+      (if mime-viewer/decoding-mode
+	  (setq cal (cons
+		     (cons 'mode mime-viewer/decoding-mode)
+		     cal))
+	)
+      (setq ret (mime/get-content-decoding-alist cal))
+      (setq method (cdr (assq 'method ret)))
+      (cond ((and (symbolp method)
+		  (fboundp method))
+	     (funcall method beg end ret)
+	     )
+	    ((and (listp method)(stringp (car method)))
+	     (mime-article/start-external-method-region beg end ret)
+	     )
+	    (t
+	     (mime-article/show-output-buffer
+	      "No method are specified for %s\n" ctype)
+	     ))
+      )
+    ))
+
+(defun field-unifier-for-mode (a b)
+  (let ((va (cdr a)))
+    (if (if (consp va)
+	    (member (cdr b) va)
+	  (equal va (cdr b))
+	  )
+	(list nil b nil)
+      )))
+
+(defun mime/get-content-decoding-alist (al)
+  (get-unified-alist mime/content-decoding-condition al)
+  )
+
+
+;;; @ external decoder
+;;;
+
+(defun mime-article/start-external-method-region (beg end cal)
+  (save-excursion
+    (save-restriction
+      (narrow-to-region beg end)
+      (goto-char beg)
+      (let ((method (cdr (assoc 'method cal)))
+	    (name (mime-article/get-filename cal))
+	    )
+	(if method
+	    (let ((file (make-temp-name
+			 (expand-file-name "TM" mime/tmp-dir)))
+		  b args)
+	      (if (nth 1 method)
+		  (setq b beg)
+		(setq b
+		      (if (re-search-forward "^$" nil t)
+			  (1+ (match-end 0))
+			(point-min)
+			))
+		)
+	      (goto-char b)
+	      (write-region b end file)
+	      (message "External method is starting...")
+	      (setq cal (put-alist
+			 'name (replace-as-filename name) cal))
+	      (setq cal (put-alist 'file file cal))
+	      (setq args (nconc
+			  (list (car method)
+				mime/output-buffer-name (car method)
+				)
+			  (mime-article/make-method-args cal
+							 (cdr (cdr method)))
+			  ))
+	      (apply (function start-process) args)
+	      (mime-article/show-output-buffer)
+	      ))
+	))))
+
+(defun mime-article/make-method-args (cal format)
+  (mapcar (function
+	   (lambda (arg)
+	     (if (stringp arg)
+		 arg
+	       (let* ((item (eval arg))
+		      (ret (cdr (assoc item cal)))
+		      )
+		 (if ret
+		     ret
+		   (if (eq item 'encoding)
+		       "7bit"
+		     ""))
+		 ))
+	     ))
+	  format))
+
+(defun mime-article/show-output-buffer (&rest forms)
+  (get-buffer-create mime/output-buffer-name)
+  (let ((the-win (selected-window))
+	(win (get-buffer-window mime/output-buffer-name))
+	)
+    (or win
+	(if (and mime/output-buffer-window-is-shared-with-bbdb
+		 (boundp 'bbdb-buffer-name)
+		 (setq win (get-buffer-window bbdb-buffer-name))
+		 )
+	    (set-window-buffer win mime/output-buffer-name)
+	  (select-window (get-buffer-window mime::article/preview-buffer))
+	  (setq win (split-window-vertically (/ (* (window-height) 3) 4)))
+	  (set-window-buffer win mime/output-buffer-name)
+	  ))
+    (select-window win)
+    (goto-char (point-max))
+    (if forms
+	(insert (apply (function format) forms))
+      )
+    (select-window the-win)
+    ))
+
+
+;;; @ file name
+;;;
+
+(defvar mime-viewer/file-name-char-regexp "[A-Za-z0-9+_-]")
+
+(defvar mime-viewer/file-name-regexp-1
+  (concat mime-viewer/file-name-char-regexp "+\\."
+	  mime-viewer/file-name-char-regexp "+"))
+
+(defvar mime-viewer/file-name-regexp-2
+  (concat (regexp-* mime-viewer/file-name-char-regexp)
+	  "\\(\\." mime-viewer/file-name-char-regexp "+\\)*"))
+
+(defun mime-article/get-original-filename (param &optional encoding)
+  (or (mime-article/get-uu-filename param encoding)
+      (let (ret)
+	(or (if (or (and (setq ret (mime/Content-Disposition))
+			 (setq ret (assoc "filename" (cdr ret)))
+			 )
+		    (setq ret (assoc "name" param))
+		    (setq ret (assoc "x-name" param))
+		    )
+		(std11-strip-quoted-string (cdr ret))
+	      )
+	    (if (setq ret
+		      (std11-find-field-body '("Content-Description"
+					       "Subject")))
+		(if (or (string-match mime-viewer/file-name-regexp-1 ret)
+			(string-match mime-viewer/file-name-regexp-2 ret))
+		    (substring ret (match-beginning 0)(match-end 0))
+		  ))
+	    ))
+      ))
+
+(defun mime-article/get-filename (param)
+  (replace-as-filename (mime-article/get-original-filename param))
+  )
+
+
+;;; @ mail/news message
+;;;
+
+(defun mime-viewer/quitting-method-for-mime/show-message-mode ()
+  (let ((mother mime::preview/mother-buffer)
+	(win-conf mime::preview/original-window-configuration)
+	)
+    (kill-buffer
+     (mime::preview-content-info/buffer (car mime::preview/content-list)))
+    (mime-viewer/kill-buffer)
+    (set-window-configuration win-conf)
+    (pop-to-buffer mother)
+    ;;(goto-char (point-min))
+    ;;(mime-viewer/up-content)
+    ))
+
+(defun mime-article/view-message/rfc822 (beg end cal)
+  (let* ((cnum (mime-article/point-content-number beg))
+	 (cur-buf (current-buffer))
+	 (new-name (format "%s-%s" (buffer-name) cnum))
+	 (mother mime::article/preview-buffer)
+	 (code-converter
+	  (or (cdr (assq major-mode mime-viewer/code-converter-alist))
+	      'mime-viewer/default-code-convert-region))
+	 str)
+    (setq str (buffer-substring beg end))
+    (switch-to-buffer new-name)
+    (erase-buffer)
+    (insert str)
+    (goto-char (point-min))
+    (if (re-search-forward "^\n" nil t)
+	(delete-region (point-min) (match-end 0))
+      )
+    (setq major-mode 'mime/show-message-mode)
+    (setq mime::article/code-converter code-converter)
+    (mime/viewer-mode mother)
+    ))
+
+
+;;; @ message/partial
+;;;
+
+(defvar mime-article/coding-system-alist
+  (and (boundp 'MULE)
+       '((mh-show-mode . *noconv*)
+	 (t            . *ctext*)
+	 )))		 
+
+(defvar mime-article/kanji-code-alist
+  (and (boundp 'NEMACS)
+       '((mh-show-mode . nil)
+	 (t            . 2)
+	 ))) 
+
+(defun mime-article/decode-message/partial (beg end cal)
+  (goto-char beg)
+  (let* ((root-dir (expand-file-name
+		    (concat "m-prts-" (user-login-name)) mime/tmp-dir))
+	 (id (cdr (assoc "id" cal)))
+	 (number (cdr (assoc "number" cal)))
+	 (total (cdr (assoc "total" cal)))
+	 (the-buf (current-buffer))
+	 file
+	 (mother mime::article/preview-buffer)
+	 (win-conf (save-excursion
+		     (set-buffer mother)
+		     mime::preview/original-window-configuration))
+	 )
+    (if (not (file-exists-p root-dir))
+	(make-directory root-dir)
+      )
+    (setq id (replace-as-filename id))
+    (setq root-dir (concat root-dir "/" id))
+    (if (not (file-exists-p root-dir))
+	(make-directory root-dir)
+      )
+    (setq file (concat root-dir "/FULL"))
+    (if (not (file-exists-p file))
+	(progn
+	  (re-search-forward "^$")
+	  (goto-char (1+ (match-end 0)))
+	  (setq file (concat root-dir "/" number))
+	  (let ((file-coding-system
+		 (cdr
+		  (or (assq major-mode mime-article/coding-system-alist)
+		      (assq t mime-article/coding-system-alist)
+		      )))
+		(kanji-fileio-code
+		 (cdr
+		  (or (assq major-mode mime-article/kanji-code-alist)
+		      (assq t mime-article/kanji-code-alist)
+		      )))
+		)
+	    (write-region (point) (point-max) file)
+	    )
+	  (if (get-buffer mime/temp-buffer-name)
+	      (kill-buffer mime/temp-buffer-name)
+	    )
+	  (switch-to-buffer mime/temp-buffer-name)
+	  (let ((i 1)
+		(max (string-to-int total))
+		(file-coding-system-for-read (if (boundp 'MULE)
+						 *noconv*))
+		kanji-fileio-code)
+	    (catch 'tag
+	      (while (<= i max)
+		(setq file (concat root-dir "/" (int-to-string i)))
+		(if (not (file-exists-p file))
+		    (progn
+		      (switch-to-buffer the-buf)
+		      (throw 'tag nil)
+		      ))
+		(insert-file-contents file)
+		(goto-char (point-max))
+		(setq i (1+ i))
+		)
+	      ;;(delete-other-windows)
+	      (let ((buf (current-buffer)))
+		(write-file (concat root-dir "/FULL"))
+		(set-window-configuration win-conf)
+		(let ((win (get-buffer-window mother)))
+		  (if win
+		      (select-window win)
+		    ))
+		(set-window-buffer (selected-window) buf)
+		;;(set-window-buffer buf)
+		(setq major-mode 'mime/show-message-mode)
+		)
+	      (mime/viewer-mode mother)
+	      (pop-to-buffer (current-buffer))
+	      ))
+	  )
+      (progn
+	;;(delete-other-windows)
+	(set-window-configuration win-conf)
+	(select-window (or (get-buffer-window mother)
+			   (get-buffer-window
+			    (save-excursion
+			      (set-buffer mother)
+			      mime::preview/article-buffer))
+			   (get-largest-window)
+			   ))
+	(as-binary-input-file
+	 (set-buffer (get-buffer-create "FULL"))
+	 (insert-file-contents file)
+	 )
+	(setq major-mode 'mime/show-message-mode)
+	(mime/viewer-mode mother)
+	;;(pop-to-buffer (current-buffer))
+	))
+    ))
+
+
+;;; @ rot13-47
+;;;
+
+(defun mime-article/decode-caesar (beg end cal)
+  (let* ((cnum (mime-article/point-content-number beg))
+	 (cur-buf (current-buffer))
+	 (new-name (format "%s-%s" (buffer-name) cnum))
+	 (mother mime::article/preview-buffer)
+	 (charset (cdr (assoc "charset" cal)))
+	 (encoding (cdr (assq 'encoding cal)))
+	 (mode major-mode)
+	 str)
+    (setq str (buffer-substring beg end))
+    (switch-to-buffer new-name)
+    (setq buffer-read-only nil)
+    (erase-buffer)
+    (insert str)
+    (goto-char (point-min))
+    (if (re-search-forward "^\n" nil t)
+	(delete-region (point-min) (match-end 0))
+      )
+    (let ((m (cdr (or (assq mode mime-viewer/code-converter-alist)
+		      (assq t mime-viewer/code-converter-alist)))))
+      (and (functionp m)
+	   (funcall m charset encoding)
+	   ))
+    (save-excursion
+      (set-mark (point-min))
+      (goto-char (point-max))
+      (tm:caesar-region)
+      )
+    (view-mode)
+    ))
+
+
+;;; @ end
+;;;
+
+(provide 'tm-play)
+
+;;; tm-play.el ends here