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1 ;;; mel.el : a MIME encoding/decoding library
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3 ;; Copyright (C) 1995,1996,1997 Free Software Foundation, Inc.
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5 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
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6 ;; modified by Shuhei KOBAYASHI <shuhei-k@jaist.ac.jp>
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7 ;; Created: 1995/6/25
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8 ;; Version: $Id: mel.el,v 1.3 1997/03/16 03:05:15 steve Exp $
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9 ;; Keywords: MIME, Base64, Quoted-Printable, uuencode, gzip64
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10
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11 ;; This file is part of MEL (MIME Encoding Library).
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12
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13 ;; This program is free software; you can redistribute it and/or
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14 ;; modify it under the terms of the GNU General Public License as
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15 ;; published by the Free Software Foundation; either version 2, or (at
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16 ;; your option) any later version.
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17
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18 ;; This program is distributed in the hope that it will be useful, but
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19 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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21 ;; General Public License for more details.
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22
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23 ;; You should have received a copy of the GNU General Public License
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24 ;; along with GNU Emacs; see the file COPYING. If not, write to the
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25 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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26 ;; Boston, MA 02111-1307, USA.
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27
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28 ;;; Code:
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29
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30 ;;; @ variable
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31 ;;;
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32
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33 (defvar mime-temp-directory (or (getenv "MIME_TMP_DIR")
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34 (getenv "TM_TMP_DIR")
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35 "/tmp/")
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36 "*Directory for temporary files.")
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37
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38
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39 ;;; @ region
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40 ;;;
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41
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110
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42 (autoload 'base64-encode-region
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43 "mel-b" "Encode current region by base64." t)
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44 (autoload 'quoted-printable-encode-region
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45 "mel-q" "Encode current region by Quoted-Printable." t)
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46 (autoload 'uuencode-encode-region
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47 "mel-u" "Encode current region by unofficial uuencode format." t)
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48 (autoload 'gzip64-encode-region
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49 "mel-g" "Encode current region by unofficial x-gzip64 format." t)
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50
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51 (defvar mime-encoding-method-alist
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52 '(("base64" . base64-encode-region)
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53 ("quoted-printable" . quoted-printable-encode-region)
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54 ("x-uue" . uuencode-encode-region)
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55 ("x-gzip64" . gzip64-encode-region)
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56 ("7bit")
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57 ("8bit")
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58 ("binary")
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59 )
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60 "Alist of encoding vs. corresponding method to encode region.
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61 Each element looks like (STRING . FUNCTION) or (STRING . nil).
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62 STRING is content-transfer-encoding.
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63 FUNCTION is region encoder and nil means not to encode.")
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64
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65
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66 (autoload 'base64-decode-region
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67 "mel-b" "Decode current region by base64." t)
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68 (autoload 'quoted-printable-decode-region
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69 "mel-q" "Decode current region by Quoted-Printable." t)
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70 (autoload 'uuencode-decode-region
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71 "mel-u" "Decode current region by unofficial uuencode format." t)
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72 (autoload 'gzip64-decode-region
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73 "mel-g" "Decode current region by unofficial x-gzip64 format." t)
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74
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75 (defvar mime-decoding-method-alist
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76 '(("base64" . base64-decode-region)
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77 ("quoted-printable" . quoted-printable-decode-region)
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78 ("x-uue" . uuencode-decode-region)
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79 ("x-uuencode" . uuencode-decode-region)
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80 ("x-gzip64" . gzip64-decode-region)
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81 )
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82 "Alist of encoding vs. corresponding method to decode region.
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83 Each element looks like (STRING . FUNCTION).
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84 STRING is content-transfer-encoding.
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85 FUNCTION is region decoder.")
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86
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87
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88 (defun mime-encode-region (start end encoding)
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89 "Encode region START to END of current buffer using ENCODING."
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90 (interactive
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91 (list (region-beginning) (region-end)
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92 (completing-read "encoding: "
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93 mime-encoding-method-alist
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94 nil t "base64"))
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95 )
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96 (let ((f (cdr (assoc encoding mime-encoding-method-alist))))
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97 (if f
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98 (funcall f start end)
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99 )))
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100
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101 (defun mime-decode-region (start end encoding)
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102 "Decode region START to END of current buffer using ENCODING."
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103 (interactive
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104 (list (region-beginning) (region-end)
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105 (completing-read "encoding: "
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106 mime-decoding-method-alist
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107 nil t "base64"))
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108 )
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109 (let ((f (cdr (assoc encoding mime-decoding-method-alist))))
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110 (if f
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111 (funcall f start end)
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112 )))
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113
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114
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115 ;;; @ file
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116 ;;;
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117
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118 (autoload 'base64-insert-encoded-file
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119 "mel-b" "Insert file encoded by base64." t)
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120 (autoload 'quoted-printable-insert-encoded-file
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121 "mel-q" "Insert file encoded by quoted-printable." t)
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122 (autoload 'uuencode-insert-encoded-file
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123 "mel-u" "Insert file encoded by unofficial uuencode format." t)
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124 (autoload 'gzip64-insert-encoded-file
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125 "mel-g" "Insert file encoded by unofficial gzip64 format." t)
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126
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127 (defvar mime-file-encoding-method-alist
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128 '(("base64" . base64-insert-encoded-file)
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129 ("quoted-printable" . quoted-printable-insert-encoded-file)
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130 ("x-uue" . uuencode-insert-encoded-file)
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131 ("x-gzip64" . gzip64-insert-encoded-file)
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132 ("7bit" . insert-binary-file-contents-literally)
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133 ("8bit" . insert-binary-file-contents-literally)
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134 ("binary" . insert-binary-file-contents-literally)
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135 )
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136 "Alist of encoding vs. corresponding method to insert encoded file.
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137 Each element looks like (STRING . FUNCTION).
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138 STRING is content-transfer-encoding.
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139 FUNCTION is function to insert encoded file.")
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140
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141 (defun mime-insert-encoded-file (filename encoding)
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142 "Insert file FILENAME encoded by ENCODING format."
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143 (interactive
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144 (list (read-file-name "Insert encoded file: ")
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145 (completing-read "encoding: "
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146 mime-encoding-method-alist
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147 nil t "base64"))
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148 )
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149 (let ((f (cdr (assoc encoding mime-file-encoding-method-alist))))
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150 (if f
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151 (funcall f filename)
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152 )))
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153
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154
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155 ;;; @ string
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156 ;;;
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157
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158 (autoload 'base64-encode-string "mel-b")
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159 (autoload 'base64-decode-string "mel-b")
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160
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161 (autoload 'q-encoding-encode-string-for-text "mel-q")
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162 (autoload 'q-encoding-encode-string-for-comment "mel-q")
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163 (autoload 'q-encoding-encode-string-for-phrase "mel-q")
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164 (autoload 'q-encoding-encode-string "mel-q")
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165 (autoload 'q-encoding-decode-string "mel-q")
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166
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167 (autoload 'base64-encoded-length "mel-b")
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168 (autoload 'q-encoding-encoded-length "mel-q")
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169
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170
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171 ;;; @ end
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172 ;;;
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173
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174 (provide 'mel)
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175
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176 ;;; mel.el ends here.
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