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comparison lisp/tm/tm-ew-d.el @ 74:54cc21c15cbb r20-0b32

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Import from CVS: tag r20-0b32
author cvs
date Mon, 13 Aug 2007 09:04:33 +0200
parents 131b0175ea99
children 1ce6082ce73f
comparison
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73:e2d7a37b7c8d 74:54cc21c15cbb
1 ;;; tm-ew-d.el --- RFC 1522 based MIME encoded-word decoder for GNU Emacs 1 ;;; tm-ew-d.el --- RFC 2047 based encoded-word decoder for GNU Emacs
2 2
3 ;; Copyright (C) 1995,1996 Free Software Foundation, Inc. 3 ;; Copyright (C) 1995,1996 Free Software Foundation, Inc.
4 4
5 ;; Author: ENAMI Tsugutomo <enami@sys.ptg.sony.co.jp> 5 ;; Author: ENAMI Tsugutomo <enami@sys.ptg.sony.co.jp>
6 ;; MORIOKA Tomohiko <morioka@jaist.ac.jp> 6 ;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
7 ;; Maintainer: MORIOKA Tomohiko <morioka@jaist.ac.jp> 7 ;; Maintainer: MORIOKA Tomohiko <morioka@jaist.ac.jp>
8 ;; Created: 1995/10/03 8 ;; Created: 1995/10/03
9 ;; Original: 1992/07/20 ENAMI Tsugutomo's `mime.el'. 9 ;; Original: 1992/07/20 ENAMI Tsugutomo's `mime.el'.
10 ;; Renamed: 1993/06/03 to tiny-mime.el. 10 ;; Renamed: 1993/06/03 to tiny-mime.el.
11 ;; Renamed: 1995/10/03 from tiny-mime.el. (split off encoder) 11 ;; Renamed: 1995/10/03 from tiny-mime.el. (split off encoder)
12 ;; Version: $Revision: 1.1.1.1 $ 12 ;; Version: $Revision: 1.1.1.2 $
13 ;; Keywords: mail, news, MIME, RFC 1522, multilingual, encoded-word 13 ;; Keywords: encoded-word, MIME, multilingual, header, mail, news
14 14
15 ;; This file is part of tm (Tools for MIME). 15 ;; This file is part of tm (Tools for MIME).
16 16
17 ;; This program is free software; you can redistribute it and/or 17 ;; This program is free software; you can redistribute it and/or
18 ;; modify it under the terms of the GNU General Public License as 18 ;; modify it under the terms of the GNU General Public License as
39 39
40 ;;; @ version 40 ;;; @ version
41 ;;; 41 ;;;
42 42
43 (defconst tm-ew-d/RCS-ID 43 (defconst tm-ew-d/RCS-ID
44 "$Id: tm-ew-d.el,v 1.1.1.1 1996/12/18 22:43:37 steve Exp $") 44 "$Id: tm-ew-d.el,v 1.1.1.2 1996/12/21 20:50:42 steve Exp $")
45 (defconst mime/eword-decoder-version (get-version-string tm-ew-d/RCS-ID)) 45 (defconst mime/eword-decoder-version (get-version-string tm-ew-d/RCS-ID))
46 46
47 47
48 ;;; @ MIME encoded-word definition 48 ;;; @ MIME encoded-word definition
49 ;;; 49 ;;;
120 (narrow-to-region start end) 120 (narrow-to-region start end)
121 (if unfolding 121 (if unfolding
122 (mime/unfolding) 122 (mime/unfolding)
123 ) 123 )
124 (goto-char (point-min)) 124 (goto-char (point-min))
125 (while (re-search-forward 125 (while (re-search-forward "\\?=\\(\n*\\s +\\)+=\\?" nil t)
126 (concat (regexp-quote "?=") "\\s +" (regexp-quote "=?"))
127 nil t)
128 (replace-match "?==?") 126 (replace-match "?==?")
129 ) 127 )
130 (goto-char (point-min)) 128 (goto-char (point-min))
131 (let (charset encoding text) 129 (let (charset encoding text)
132 (while (re-search-forward mime/encoded-word-regexp nil t) 130 (while (re-search-forward mime/encoded-word-regexp nil t)
155 (defun mime/unfolding () 153 (defun mime/unfolding ()
156 (goto-char (point-min)) 154 (goto-char (point-min))
157 (let (field beg end) 155 (let (field beg end)
158 (while (re-search-forward std11-field-head-regexp nil t) 156 (while (re-search-forward std11-field-head-regexp nil t)
159 (setq beg (match-beginning 0) 157 (setq beg (match-beginning 0)
160 end (std11-field-end)) 158 end (std11-field-end))
161 (setq field (buffer-substring beg end)) 159 (setq field (buffer-substring beg end))
162 (if (string-match mime/encoded-word-regexp field) 160 (if (string-match mime/encoded-word-regexp field)
163 (save-restriction 161 (save-restriction
164 (narrow-to-region (goto-char beg) end) 162 (narrow-to-region (goto-char beg) end)
165 (while (re-search-forward "\n[ \t]+" nil t) 163 (while (re-search-forward "\n\\([ \t]\\)" nil t)
166 (replace-match " ") 164 (replace-match
167 ) 165 (match-string 1))
166 )
168 (goto-char (point-max)) 167 (goto-char (point-max))
169 )) 168 ))
170 ))) 169 )))
171 170
172 171
191 (substring word (match-beginning 2) (match-end 2)) 190 (substring word (match-beginning 2) (match-end 2))
192 )) 191 ))
193 (text 192 (text
194 (substring word (match-beginning 3) (match-end 3)) 193 (substring word (match-beginning 3) (match-end 3))
195 )) 194 ))
196 (mime/decode-encoded-text charset encoding text must-unfold) 195 (condition-case err
196 (mime/decode-encoded-text charset encoding text must-unfold)
197 (error nil))
197 )) 198 ))
198 word)) 199 word))
199 200
200 201
201 ;;; @ encoded-text decoder 202 ;;; @ encoded-text decoder
213 if there are in decoded encoded-text (generated by bad manner MUA such 214 if there are in decoded encoded-text (generated by bad manner MUA such
214 as a version of Net$cape). [tm-ew-d.el]" 215 as a version of Net$cape). [tm-ew-d.el]"
215 (let ((cs (mime-charset-to-coding-system charset))) 216 (let ((cs (mime-charset-to-coding-system charset)))
216 (if cs 217 (if cs
217 (let ((dest 218 (let ((dest
218 (cond ((string-equal "B" encoding) 219 (cond ((and (string-equal "B" encoding)
219 (base64-decode-string string)) 220 (string-match mime/B-encoded-text-regexp string))
220 ((string-equal "Q" encoding) 221 (base64-decode-string string))
221 (q-encoding-decode-string string)) 222 ((and (string-equal "Q" encoding)
222 (t (message "unknown encoding %s" encoding) 223 (string-match mime/Q-encoded-text-regexp string))
224 (q-encoding-decode-string string))
225 (t (message "Invalid encoded-word %s" encoding)
223 nil)))) 226 nil))))
224 (if dest 227 (if dest
225 (progn 228 (progn
226 (setq dest (decode-coding-string dest cs)) 229 (setq dest (decode-coding-string dest cs))
227 (if must-unfold 230 (if must-unfold