-;;;
-;;; tm-ew-d.el --- RFC 1522 based multilingual MIME message header
-;;; decoder for GNU Emacs
-;;;
-;;; Copyright (C) 1995 Free Software Foundation, Inc.
-;;; Copyright (C) 1992 ENAMI Tsugutomo
-;;; Copyright (C) 1993,1994,1995 MORIOKA Tomohiko
-;;;
-;;; Author: ENAMI Tsugutomo <enami@sys.ptg.sony.co.jp>
-;;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;;; Keywords: mail, news, MIME, RFC 1522, multilingual, encoded-word
-;;;
+;;; tm-ew-d.el --- RFC 1522 based MIME encoded-word decoder for GNU Emacs
+
+;; Copyright (C) 1995,1996 Free Software Foundation, Inc.
+
+;; Author: ENAMI Tsugutomo <enami@sys.ptg.sony.co.jp>
+;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;; Maintainer: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;; Created: 1993/6/3 (1995/10/3 obsolete tiny-mime.el)
+;; Version: $Revision: 7.21 $
+;; Keywords: mail, news, MIME, RFC 1522, multilingual, encoded-word
+
+;; 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 this program; 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 'emu)
(require 'tl-822)
;;;
(defconst tm-ew-d/RCS-ID
- "$Id: tm-ew-d.el,v 7.5 1995/10/18 11:18:03 morioka Exp $")
+ "$Id: tm-ew-d.el,v 7.21 1996/08/17 02:41:20 morioka Exp $")
(defconst mime/eword-decoder-version (get-version-string tm-ew-d/RCS-ID))
;;; @ for string
;;;
-(defun mime-eword/decode-string (str)
+(defun mime-eword/decode-string (str &optional unfolding)
(setq str (rfc822/unfolding-string str))
(let ((dest "")(ew nil)
beg end)
- (while (setq beg (string-match mime/encoded-word-regexp str))
+ (while (and (string-match mime/encoded-word-regexp str)
+ (setq beg (match-beginning 0)
+ end (match-end 0))
+ )
(if (> beg 0)
- (if (not (and (eq ew t) (string= (substring str 0 beg) " ")))
- (setq dest (concat dest (substring str 0 beg)
- ))
+ (if (not
+ (and (eq ew t)
+ (string-match "^[ \t]+$" (substring str 0 beg))
+ ))
+ (setq dest (concat dest (substring str 0 beg)))
)
)
- (setq end (match-end 0))
- (setq dest (concat dest
- (mime/decode-encoded-word (substring str beg end))
- ))
+ (setq dest
+ (concat dest
+ (mime/decode-encoded-word
+ (substring str beg end) unfolding)
+ ))
(setq str (substring str end))
(setq ew t)
)
;;; @ for region
;;;
-(defun mime-eword/decode-region (beg end &optional unfolding)
+(defun mime-eword/decode-region (beg end &optional unfolding must-unfold)
+ "Decode MIME encoded-words in region between BEG and END.
+If UNFOLDING is not nil, it unfolds before decoding.
+If MUST-UNFOLD is not nil, it unfolds encoded results. [tm-ew-d.el]"
(interactive "*r")
(save-excursion
(save-restriction
(goto-char (point-min))
(let (charset encoding text)
(while (re-search-forward mime/encoded-word-regexp nil t)
- (insert (mime/decode-encoded-word
+ (insert (mime/decode-encoded-word
(prog1
(buffer-substring (match-beginning 0) (match-end 0))
(delete-region (match-beginning 0) (match-end 0))
- )
- ))
+ ) must-unfold))
))
)))
;;;
(defun mime/decode-message-header ()
+ "Decode MIME encoded-words in message header. [tm-ew-d.el]"
(interactive "*")
(save-excursion
(save-restriction
;;; @ encoded-word decoder
;;;
-(defun mime/decode-encoded-word (word)
+(defun mime/decode-encoded-word (word &optional unfolding)
(or (if (string-match mime/encoded-word-regexp word)
(let ((charset
- (upcase
- (substring word (match-beginning 1) (match-end 1))
- ))
+ (substring word (match-beginning 1) (match-end 1))
+ )
(encoding
(upcase
(substring word (match-beginning 2) (match-end 2))
(text
(substring word (match-beginning 3) (match-end 3))
))
- (mime/decode-encoded-text charset encoding text)
+ (mime/decode-encoded-text charset encoding text unfolding)
))
word))
;;; @ encoded-text decoder
;;;
-(defun mime/decode-encoded-text (charset encoding str)
- (let ((dest
- (cond ((string= "B" encoding)
- (base64-decode-string str))
- ((string= "Q" encoding)
- (q-encoding-decode-string str))
- (t (message "unknown encoding %s" encoding)
- nil))))
- (if dest
- (mime/convert-string-to-emacs charset dest)
- )))
+(defun mime/decode-encoded-text (charset encoding str &optional unfolding)
+ (let ((cs (mime-charset-to-coding-system charset)))
+ (if cs
+ (let ((dest
+ (cond ((string-equal "B" encoding)
+ (base64-decode-string str))
+ ((string-equal "Q" encoding)
+ (q-encoding-decode-string str))
+ (t (message "unknown encoding %s" encoding)
+ nil))))
+ (if dest
+ (progn
+ (setq dest (decode-coding-string dest cs))
+ (if unfolding
+ (rfc822/unfolding-string dest)
+ dest)
+ ))))))
;;; @ end
;;;
(provide 'tm-ew-d)
+
+;;; tm-ew-d.el ends here