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1 ;;; tm-view.el --- interactive MIME viewer for GNU Emacs
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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 ;; Created: 1994/7/13 (1994/8/31 obsolete tm-body.el)
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155
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7 ;; Version: $Revision: 1.6 $
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8 ;; Keywords: mail, news, MIME, multimedia
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9
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10 ;; This file is part of tm (Tools for MIME).
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11
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12 ;; This program is free software; you can redistribute it and/or
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13 ;; modify it under the terms of the GNU General Public License as
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14 ;; published by the Free Software Foundation; either version 2, or (at
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15 ;; your option) any later version.
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16
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17 ;; This program is distributed in the hope that it will be useful, but
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18 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 ;; General Public License for more details.
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21
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22 ;; You should have received a copy of the GNU General Public License
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23 ;; along with GNU Emacs; see the file COPYING. If not, write to the
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24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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25 ;; Boston, MA 02111-1307, USA.
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26
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27 ;;; Code:
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28
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29 (require 'tl-str)
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30 (require 'tl-list)
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31 (require 'tl-atype)
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32 (require 'tl-misc)
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33 (require 'std11)
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34 (require 'mel)
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35 (require 'tm-ew-d)
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36 (require 'tm-def)
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37 (require 'tm-parse)
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38 (require 'tm-text)
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39
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40
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41 ;;; @ version
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42 ;;;
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43
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44 (defconst mime-viewer/RCS-ID
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45 "$Id: tm-view.el,v 1.6 1997/06/06 00:57:44 steve Exp $")
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46
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47 (defconst mime-viewer/version (get-version-string mime-viewer/RCS-ID))
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48 (defconst mime/viewer-version mime-viewer/version)
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49
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50
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51 ;;; @ variables
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52 ;;;
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53
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54 (defvar mime/content-decoding-condition
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55 '(((type . "text/plain")
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56 (method "tm-plain" nil 'file 'type 'encoding 'mode 'name)
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57 (mode "play" "print")
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58 )
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59 ((type . "text/html")
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60 (method "tm-html" nil 'file 'type 'encoding 'mode 'name)
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61 (mode . "play")
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62 )
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63 ((type . "text/x-rot13-47")
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64 (method . mime-article/decode-caesar)
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65 (mode . "play")
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66 )
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67 ((type . "audio/basic")
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68 (method "tm-au" nil 'file 'type 'encoding 'mode 'name)
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69 (mode . "play")
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70 )
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71
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72 ((type . "image/jpeg")
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73 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
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74 (mode "play" "print")
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75 )
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76 ((type . "image/gif")
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77 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
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78 (mode "play" "print")
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79 )
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153
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80 ((type . "image/png")
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81 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
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82 (mode "play" "print")
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83 )
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84 ((type . "image/tiff")
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85 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
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86 (mode "play" "print")
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87 )
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88 ((type . "image/x-tiff")
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89 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
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90 (mode "play" "print")
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91 )
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92 ((type . "image/x-xbm")
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93 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
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94 (mode "play" "print")
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95 )
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96 ((type . "image/x-pic")
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97 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
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98 (mode "play" "print")
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99 )
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100 ((type . "image/x-mag")
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101 (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
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102 (mode "play" "print")
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103 )
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104
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105 ((type . "video/mpeg")
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106 (method "tm-mpeg" nil 'file 'type 'encoding 'mode 'name)
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107 (mode . "play")
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108 )
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109
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110 ((type . "application/postscript")
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111 (method "tm-ps" nil 'file 'type 'encoding 'mode 'name)
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112 (mode "play" "print")
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113 )
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114 ((type . "application/octet-stream")
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115 (method "tm-file" nil 'file 'type 'encoding 'mode 'name)
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116 (mode "play" "print")
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117 )
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118
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119 ;;((type . "message/external-body")
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120 ;; (method "xterm" nil
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121 ;; "-e" "showexternal"
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122 ;; 'file '"access-type" '"name" '"site" '"directory"))
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123 ((type . "message/rfc822")
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124 (method . mime-article/view-message/rfc822)
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125 (mode . "play")
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126 )
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127 ((type . "message/partial")
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128 (method . mime-article/decode-message/partial)
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129 (mode . "play")
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130 )
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131
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132 ((method "metamail" t "-m" "tm" "-x" "-d" "-z" "-e" 'file)
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133 (mode . "play")
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134 )
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135 ((method "tm-file" nil 'file 'type 'encoding 'mode 'name)
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136 (mode . "extract")
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137 )
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138 ))
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139
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140 (defvar mime-viewer/childrens-header-showing-Content-Type-list
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141 '("message/rfc822" "message/news"))
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142
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143 (defvar mime-viewer/default-showing-Content-Type-list
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144 '("text/plain" nil "text/richtext" "text/enriched"
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145 "text/x-latex" "application/x-latex"
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146 "message/delivery-status"
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147 "application/pgp" "text/x-pgp"
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148 "application/octet-stream"
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149 "application/x-selection" "application/x-comment"))
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150
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151 (defvar mime-viewer/content-button-ignored-ctype-list
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152 '("application/x-selection"))
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153
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154 (defvar mime-viewer/content-button-visible-ctype-list
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155 '("application/pgp"))
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156
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157 (defvar mime-viewer/uuencode-encoding-name-list '("x-uue" "x-uuencode"))
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158
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159 (defvar mime-viewer/ignored-field-list
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160 '(".*Received" ".*Path" ".*Id" "References"
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161 "Replied" "Errors-To"
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162 "Lines" "Sender" ".*Host" "Xref"
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163 "Content-Type" "Precedence"
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164 "Status" "X-VM-.*")
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165 "All fields that match this list will be hidden in MIME preview buffer.
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166 Each elements are regexp of field-name. [tm-view.el]")
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167
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168 (defvar mime-viewer/ignored-field-regexp
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169 (concat "^"
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170 (apply (function regexp-or) mime-viewer/ignored-field-list)
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171 ":"))
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172
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173 (defvar mime-viewer/visible-field-list
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174 '("Dnas.*" "Message-Id")
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175 "All fields that match this list will be displayed in MIME preview buffer.
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176 Each elements are regexp of field-name. [tm-view.el]")
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177
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178 (defvar mime-viewer/visible-field-regexp
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179 (concat "^"
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180 (apply (function regexp-or) mime-viewer/visible-field-list)
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181 ":"))
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182
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183 (defvar mime-viewer/redisplay nil)
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184
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185 (defvar mime-viewer/announcement-for-message/partial
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186 (if (and (>= emacs-major-version 19) window-system)
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187 "\
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188 \[[ This is message/partial style split message. ]]
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189 \[[ Please press `v' key in this buffer ]]
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190 \[[ or click here by mouse button-2. ]]"
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191 "\
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192 \[[ This is message/partial style split message. ]]
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193 \[[ Please press `v' key in this buffer. ]]"
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194 ))
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136
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195
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196
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197 ;;; @@ predicate functions
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198 ;;;
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199
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200 (defun mime-viewer/header-visible-p (rcnum cinfo &optional ctype)
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201 (or (null rcnum)
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202 (progn
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203 (setq ctype
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204 (mime::content-info/type
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205 (mime-article/rcnum-to-cinfo (cdr rcnum) cinfo)
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206 ))
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207 (member ctype mime-viewer/childrens-header-showing-Content-Type-list)
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208 )))
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209
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210 (defun mime-viewer/body-visible-p (rcnum cinfo &optional ctype)
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211 (let (ccinfo)
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212 (or ctype
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213 (setq ctype
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214 (mime::content-info/type
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215 (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
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216 ))
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217 )
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218 (and (member ctype mime-viewer/default-showing-Content-Type-list)
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219 (if (string-equal ctype "application/octet-stream")
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220 (progn
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221 (or ccinfo
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222 (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
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223 )
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224 (member (mime::content-info/encoding ccinfo)
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225 '(nil "7bit" "8bit"))
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226 )
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227 t))
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228 ))
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229
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230
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231 ;;; @@ content button
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232 ;;;
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233
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234 (defun mime-preview/insert-content-button
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235 (rcnum cinfo ctype params subj encoding)
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236 (save-restriction
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237 (narrow-to-region (point)(point))
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238 (let ((access-type (assoc "access-type" params))
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239 (charset (assoc "charset" params))
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240 (num (or (assoc-value "x-part-number" params)
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241 (if (consp rcnum)
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242 (mapconcat (function
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243 (lambda (num)
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244 (format "%s" (1+ num))
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245 ))
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246 (reverse rcnum) ".")
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247 "0"))
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248 ))
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249 (cond (access-type
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250 (let ((server (assoc "server" params)))
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251 (setq access-type (cdr access-type))
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252 (if server
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253 (insert (format "[%s %s ([%s] %s)]\n" num subj
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254 access-type (cdr server)))
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255 (let ((site (assoc-value "site" params))
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256 (dir (assoc-value "directory" params))
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257 )
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258 (insert (format "[%s %s ([%s] %s:%s)]\n" num subj
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259 access-type site dir))
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260 )))
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261 )
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262 (t
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263 (insert (concat "[" num " " subj))
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264 (let ((rest
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265 (if (setq charset (cdr charset))
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266 (if encoding
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267 (format " <%s; %s (%s)>]\n"
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268 ctype charset encoding)
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269 (format " <%s; %s>]\n" ctype charset)
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270 )
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271 (format " <%s>]\n" ctype)
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272 )))
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273 (if (>= (+ (current-column)(length rest))(window-width))
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274 (setq rest (concat "\n\t" rest))
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275 )
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276 (insert rest)
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277 ))))
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278 (tm:add-button (point-min)(1- (point-max))
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279 (function mime-viewer/play-content))
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280 ))
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281
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282 (defun mime-preview/default-content-button-function
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283 (rcnum cinfo ctype params subj encoding)
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284 (if (and (consp rcnum)
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285 (not (member
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286 ctype
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287 mime-viewer/content-button-ignored-ctype-list)))
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288 (mime-preview/insert-content-button
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289 rcnum cinfo ctype params subj encoding)
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290 ))
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291
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292 (defvar mime-preview/content-button-function
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293 (function mime-preview/default-content-button-function))
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294
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295
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296 ;;; @@ content header filter
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297 ;;;
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298
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299 (defun mime-preview/cut-header ()
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300 (goto-char (point-min))
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301 (while (and
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302 (re-search-forward mime-viewer/ignored-field-regexp nil t)
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303 (let* ((beg (match-beginning 0))
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304 (end (match-end 0))
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305 (name (buffer-substring beg end))
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306 )
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307 (if (not (string-match mime-viewer/visible-field-regexp name))
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308 (delete-region
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309 beg
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310 (save-excursion
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311 (and
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312 (re-search-forward "^\\([^ \t]\\|$\\)" nil t)
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313 (match-beginning 0)
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314 )))
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315 )
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316 t)))
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317 )
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318
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319 (defun mime-viewer/default-content-header-filter ()
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320 (mime-preview/cut-header)
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321 (mime/decode-message-header)
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322 )
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323
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324 (defvar mime-viewer/content-header-filter-alist nil)
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325
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326
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327 ;;; @@ content filter
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328 ;;;
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329
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330 (defvar mime-viewer/content-filter-alist
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331 '(("text/enriched" . mime-preview/filter-for-text/enriched)
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332 ("text/richtext" . mime-preview/filter-for-text/richtext)
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333 (t . mime-preview/filter-for-text/plain)
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334 ))
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335
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336
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337 ;;; @@ content separator
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338 ;;;
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339
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340 (defun mime-preview/default-content-separator (rcnum cinfo ctype params subj)
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341 (if (and (not (mime-viewer/header-visible-p rcnum cinfo ctype))
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342 (not (mime-viewer/body-visible-p rcnum cinfo ctype))
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343 )
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344 (progn
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345 (goto-char (point-max))
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346 (insert "\n")
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347 )))
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348
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349
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350 ;;; @@ buffer local variables
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351 ;;;
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352
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353 ;; for XEmacs
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354 (defvar mime::article/preview-buffer nil)
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355 (defvar mime::article/code-converter nil)
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356 (defvar mime::preview/article-buffer nil)
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357
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358 (make-variable-buffer-local 'mime::article/content-info)
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359 (make-variable-buffer-local 'mime::article/preview-buffer)
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360 (make-variable-buffer-local 'mime::article/code-converter)
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361
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362 (make-variable-buffer-local 'mime::preview/mother-buffer)
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363 (make-variable-buffer-local 'mime::preview/content-list)
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364 (make-variable-buffer-local 'mime::preview/article-buffer)
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365 (make-variable-buffer-local 'mime::preview/original-major-mode)
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366 (make-variable-buffer-local 'mime::preview/original-window-configuration)
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367
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368
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369 ;;; @@ quitting method
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370 ;;;
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371
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372 (defvar mime-viewer/quitting-method-alist
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373 '((mime/show-message-mode
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374 . mime-viewer/quitting-method-for-mime/show-message-mode)))
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375
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376 (defvar mime-viewer/over-to-previous-method-alist nil)
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377 (defvar mime-viewer/over-to-next-method-alist nil)
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378
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379 (defvar mime-viewer/show-summary-method nil)
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380
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381
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382 ;;; @@ following method
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383 ;;;
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384
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385 (defvar mime-viewer/following-method-alist nil)
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386
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74
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387 (defvar mime-viewer/following-required-fields-list
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388 '("From"))
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389
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4
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390
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391 ;;; @@ X-Face
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392 ;;;
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393
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394 ;; hack from Gnus 5.0.4.
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395
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396 (defvar mime-viewer/x-face-to-pbm-command
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397 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm")
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398
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399 (defvar mime-viewer/x-face-command
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400 (concat mime-viewer/x-face-to-pbm-command
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401 " | xv -quit -")
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402 "String to be executed to display an X-Face field.
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403 The command will be executed in a sub-shell asynchronously.
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404 The compressed face will be piped to this command.")
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405
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406 (defun mime-viewer/x-face-function ()
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407 "Function to display X-Face field. You can redefine to customize."
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408 ;; 1995/10/12 (c.f. tm-eng:130)
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409 ;; fixed by Eric Ding <ericding@San-Jose.ate.slb.com>
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410 (save-restriction
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411 (narrow-to-region (point-min) (re-search-forward "^$" nil t))
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412 ;; end
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413 (goto-char (point-min))
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414 (if (re-search-forward "^X-Face:[ \t]*" nil t)
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415 (let ((beg (match-end 0))
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416 (end (std11-field-end))
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417 )
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418 (call-process-region beg end "sh" nil 0 nil
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419 "-c" mime-viewer/x-face-command)
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420 ))))
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421
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422
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423 ;;; @@ utility
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424 ;;;
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425
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426 (defun mime-preview/get-original-major-mode ()
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427 (if mime::preview/mother-buffer
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428 (save-excursion
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429 (set-buffer mime::preview/mother-buffer)
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430 (mime-preview/get-original-major-mode)
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431 )
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432 mime::preview/original-major-mode))
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433
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434
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435 ;;; @ data structures
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436 ;;;
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437
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438 ;;; @@ preview-content-info
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439 ;;;
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440
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441 (define-structure mime::preview-content-info
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442 point-min point-max buffer content-info)
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443
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444
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445 ;;; @ buffer setup
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446 ;;;
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447
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448 (defun mime-viewer/setup-buffer (&optional ctl encoding ibuf obuf)
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449 (if ibuf
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450 (progn
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451 (get-buffer ibuf)
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452 (set-buffer ibuf)
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453 ))
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454 (or mime-viewer/redisplay
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455 (setq mime::article/content-info (mime/parse-message ctl encoding))
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456 )
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457 (let ((ret (mime-viewer/make-preview-buffer obuf)))
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458 (setq mime::article/preview-buffer (car ret))
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459 ret))
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460
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461 (defun mime-viewer/make-preview-buffer (&optional obuf)
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462 (let* ((cinfo mime::article/content-info)
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463 (pcl (mime/flatten-content-info cinfo))
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464 (dest (make-list (length pcl) nil))
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465 (the-buf (current-buffer))
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466 (mode major-mode)
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467 )
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468 (or obuf
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469 (setq obuf (concat "*Preview-" (buffer-name the-buf) "*")))
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470 (set-buffer (get-buffer-create obuf))
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471 (setq buffer-read-only nil)
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472 (widen)
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473 (erase-buffer)
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474 (setq mime::preview/article-buffer the-buf)
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475 (setq mime::preview/original-major-mode mode)
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476 (setq major-mode 'mime/viewer-mode)
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477 (setq mode-name "MIME-View")
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478 (let ((drest dest))
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479 (while pcl
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480 (setcar drest
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481 (mime-preview/display-content (car pcl) cinfo the-buf obuf))
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482 (setq pcl (cdr pcl)
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483 drest (cdr drest))
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484 ))
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485 (set-buffer-modified-p nil)
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486 (setq buffer-read-only t)
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487 (set-buffer the-buf)
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488 (list obuf dest)
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489 ))
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490
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491 (defun mime-preview/display-content (content cinfo ibuf obuf)
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492 (let* ((beg (mime::content-info/point-min content))
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493 (end (mime::content-info/point-max content))
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494 (ctype (mime::content-info/type content))
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495 (params (mime::content-info/parameters content))
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496 (encoding (mime::content-info/encoding content))
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497 (rcnum (mime::content-info/rcnum content))
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498 he e nb ne subj)
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499 (set-buffer ibuf)
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500 (goto-char beg)
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501 (setq he (if (re-search-forward "^$" nil t)
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502 (1+ (match-end 0))
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503 end))
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504 (if (> he end)
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505 (setq he end)
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506 )
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507 (save-restriction
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508 (narrow-to-region beg end)
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509 (setq subj
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510 (mime-eword/decode-string
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511 (mime-article/get-subject params encoding)))
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512 )
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513 (set-buffer obuf)
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514 (setq nb (point))
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515 (narrow-to-region nb nb)
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516 (funcall mime-preview/content-button-function
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517 rcnum cinfo ctype params subj encoding)
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518 (if (mime-viewer/header-visible-p rcnum cinfo ctype)
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519 (mime-preview/display-header beg he)
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520 )
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521 (if (and (null rcnum)
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522 (member
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523 ctype mime-viewer/content-button-visible-ctype-list))
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524 (save-excursion
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525 (goto-char (point-max))
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526 (mime-preview/insert-content-button
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527 rcnum cinfo ctype params subj encoding)
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528 ))
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529 (cond ((mime-viewer/body-visible-p rcnum cinfo ctype)
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530 (mime-preview/display-body he end
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531 rcnum cinfo ctype params subj encoding)
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532 )
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533 ((equal ctype "message/partial")
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534 (mime-preview/display-message/partial)
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535 )
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536 ((and (null rcnum)
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537 (null (mime::content-info/children cinfo))
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538 )
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539 (goto-char (point-max))
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540 (mime-preview/insert-content-button
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541 rcnum cinfo ctype params subj encoding)
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542 ))
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543 (mime-preview/default-content-separator rcnum cinfo ctype params subj)
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544 (prog1
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545 (progn
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546 (setq ne (point-max))
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547 (widen)
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548 (mime::preview-content-info/create nb (1- ne) ibuf content)
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549 )
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550 (goto-char ne)
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551 )))
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552
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553 (defun mime-preview/display-header (beg end)
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554 (save-restriction
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555 (narrow-to-region (point)(point))
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556 (insert-buffer-substring mime::preview/article-buffer beg end)
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557 (let ((f (cdr (assq mime::preview/original-major-mode
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558 mime-viewer/content-header-filter-alist))))
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559 (if (functionp f)
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560 (funcall f)
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561 (mime-viewer/default-content-header-filter)
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562 ))
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563 (run-hooks 'mime-viewer/content-header-filter-hook)
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564 ))
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565
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566 (defun mime-preview/display-body (beg end
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567 rcnum cinfo ctype params subj encoding)
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568 (save-restriction
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569 (narrow-to-region (point-max)(point-max))
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570 (insert-buffer-substring mime::preview/article-buffer beg end)
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571 (let ((f (cdr (or (assoc ctype mime-viewer/content-filter-alist)
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572 (assq t mime-viewer/content-filter-alist)))))
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573 (and (functionp f)
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574 (funcall f ctype params encoding)
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575 )
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576 )))
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577
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578 (defun mime-preview/display-message/partial ()
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579 (save-restriction
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580 (goto-char (point-max))
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581 (if (not (search-backward "\n\n" nil t))
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582 (insert "\n")
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583 )
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584 (let ((be (point-max)))
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585 (narrow-to-region be be)
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155
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586 (insert mime-viewer/announcement-for-message/partial)
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4
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587 (tm:add-button (point-min)(point-max)
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588 (function mime-viewer/play-content))
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589 )))
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590
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591 (defun mime-article/get-uu-filename (param &optional encoding)
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592 (if (member (or encoding
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593 (cdr (assq 'encoding param))
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594 )
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595 mime-viewer/uuencode-encoding-name-list)
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596 (save-excursion
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597 (or (if (re-search-forward "^begin [0-9]+ " nil t)
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598 (if (looking-at ".+$")
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599 (buffer-substring (match-beginning 0)(match-end 0))
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600 ))
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601 ""))
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602 ))
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603
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604 (defun mime-article/get-subject (param &optional encoding)
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605 (or (std11-find-field-body '("Content-Description" "Subject"))
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606 (let (ret)
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|
607 (if (or (and (setq ret (mime/Content-Disposition))
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608 (setq ret (assoc "filename" (cdr ret)))
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609 )
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610 (setq ret (assoc "name" param))
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611 (setq ret (assoc "x-name" param))
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612 )
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613 (std11-strip-quoted-string (cdr ret))
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614 ))
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|
615 (mime-article/get-uu-filename param encoding)
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616 ""))
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617
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618
|
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619 ;;; @ content information
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620 ;;;
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621
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622 (defun mime-article/point-content-number (p &optional cinfo)
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623 (or cinfo
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624 (setq cinfo mime::article/content-info)
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|
625 )
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626 (let ((b (mime::content-info/point-min cinfo))
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|
627 (e (mime::content-info/point-max cinfo))
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|
628 (c (mime::content-info/children cinfo))
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|
629 )
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|
630 (if (and (<= b p)(<= p e))
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|
631 (or (let (co ret (sn 0))
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|
632 (catch 'tag
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633 (while c
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634 (setq co (car c))
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635 (setq ret (mime-article/point-content-number p co))
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|
636 (cond ((eq ret t) (throw 'tag (list sn)))
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|
637 (ret (throw 'tag (cons sn ret)))
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|
638 )
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|
639 (setq c (cdr c))
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|
640 (setq sn (1+ sn))
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|
641 )))
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|
642 t))))
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643
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|
644 (defun mime-article/rcnum-to-cinfo (rcnum &optional cinfo)
|
|
|
645 (or cinfo
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|
646 (setq cinfo mime::article/content-info)
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|
|
647 )
|
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|
648 (find-if (function
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|
649 (lambda (ci)
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|
650 (equal (mime::content-info/rcnum ci) rcnum)
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651 ))
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|
652 (mime/flatten-content-info cinfo)
|
|
|
653 ))
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|
654
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655 (defun mime-article/cnum-to-cinfo (cn &optional cinfo)
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|
656 (or cinfo
|
|
|
657 (setq cinfo mime::article/content-info)
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|
658 )
|
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|
659 (if (eq cn t)
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|
660 cinfo
|
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|
661 (let ((sn (car cn)))
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|
|
662 (if (null sn)
|
|
|
663 cinfo
|
|
|
664 (let ((rc (nth sn (mime::content-info/children cinfo))))
|
|
|
665 (if rc
|
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|
666 (mime-article/cnum-to-cinfo (cdr cn) rc)
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|
|
667 ))
|
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|
668 ))))
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|
669
|
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|
670 (defun mime/flatten-content-info (&optional cinfo)
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|
|
671 (or cinfo
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|
|
672 (setq cinfo mime::article/content-info)
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|
673 )
|
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|
674 (let ((dest (list cinfo))
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|
|
675 (rcl (mime::content-info/children cinfo))
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|
676 )
|
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|
677 (while rcl
|
|
|
678 (setq dest (nconc dest (mime/flatten-content-info (car rcl))))
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|
679 (setq rcl (cdr rcl))
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|
|
680 )
|
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|
681 dest))
|
|
|
682
|
|
|
683 (defun mime-preview/point-pcinfo (p &optional pcl)
|
|
|
684 (or pcl
|
|
|
685 (setq pcl mime::preview/content-list)
|
|
|
686 )
|
|
|
687 (catch 'tag
|
|
|
688 (let ((r pcl) cell)
|
|
|
689 (while r
|
|
|
690 (setq cell (car r))
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|
|
691 (if (and (<= (mime::preview-content-info/point-min cell) p)
|
|
|
692 (<= p (mime::preview-content-info/point-max cell))
|
|
|
693 )
|
|
|
694 (throw 'tag cell)
|
|
|
695 )
|
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|
696 (setq r (cdr r))
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|
697 ))
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|
698 (car (last pcl))
|
|
|
699 ))
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|
|
700
|
|
|
701
|
|
|
702 ;;; @ MIME viewer mode
|
|
|
703 ;;;
|
|
|
704
|
|
|
705 (defconst mime-viewer/menu-title "MIME-View")
|
|
|
706 (defconst mime-viewer/menu-list
|
|
|
707 '((up "Move to upper content" mime-viewer/up-content)
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|
|
708 (previous "Move to previous content" mime-viewer/previous-content)
|
|
|
709 (next "Move to next content" mime-viewer/next-content)
|
|
|
710 (scroll-down "Scroll to previous content" mime-viewer/scroll-down-content)
|
|
|
711 (scroll-up "Scroll to next content" mime-viewer/scroll-up-content)
|
|
|
712 (play "Play Content" mime-viewer/play-content)
|
|
|
713 (extract "Extract Content" mime-viewer/extract-content)
|
|
|
714 (print "Print" mime-viewer/print-content)
|
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|
715 (x-face "Show X Face" mime-viewer/display-x-face)
|
|
|
716 )
|
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|
717 "Menu for MIME Viewer")
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|
|
718
|
|
|
719 (if running-xemacs
|
|
|
720 (progn
|
|
|
721 (defvar mime-viewer/xemacs-popup-menu
|
|
|
722 (cons mime-viewer/menu-title
|
|
|
723 (mapcar (function
|
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|
724 (lambda (item)
|
|
|
725 (vector (nth 1 item)(nth 2 item) t)
|
|
|
726 ))
|
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|
727 mime-viewer/menu-list)))
|
|
|
728 (defun mime-viewer/xemacs-popup-menu (event)
|
|
|
729 "Popup the menu in the MIME Viewer buffer"
|
|
|
730 (interactive "e")
|
|
|
731 (select-window (event-window event))
|
|
|
732 (set-buffer (event-buffer event))
|
|
|
733 (popup-menu 'mime-viewer/xemacs-popup-menu))
|
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|
734 ))
|
|
|
735
|
|
|
736 (defun mime-viewer/define-keymap (&optional mother)
|
|
|
737 (let ((mime/viewer-mode-map (if mother
|
|
|
738 (copy-keymap mother)
|
|
108
|
739 (make-keymap)
|
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|
740 )))
|
|
|
741 (or mother
|
|
|
742 (suppress-keymap mime/viewer-mode-map))
|
|
4
|
743 (define-key mime/viewer-mode-map
|
|
|
744 "u" (function mime-viewer/up-content))
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|
|
745 (define-key mime/viewer-mode-map
|
|
|
746 "p" (function mime-viewer/previous-content))
|
|
|
747 (define-key mime/viewer-mode-map
|
|
|
748 "n" (function mime-viewer/next-content))
|
|
|
749 (define-key mime/viewer-mode-map
|
|
98
|
750 "\e\t" (function mime-viewer/previous-content))
|
|
|
751 (define-key mime/viewer-mode-map
|
|
|
752 "\t" (function mime-viewer/next-content))
|
|
|
753 (define-key mime/viewer-mode-map
|
|
4
|
754 " " (function mime-viewer/scroll-up-content))
|
|
|
755 (define-key mime/viewer-mode-map
|
|
|
756 "\M- " (function mime-viewer/scroll-down-content))
|
|
|
757 (define-key mime/viewer-mode-map
|
|
|
758 "\177" (function mime-viewer/scroll-down-content))
|
|
|
759 (define-key mime/viewer-mode-map
|
|
|
760 "\C-m" (function mime-viewer/next-line-content))
|
|
|
761 (define-key mime/viewer-mode-map
|
|
|
762 "\C-\M-m" (function mime-viewer/previous-line-content))
|
|
|
763 (define-key mime/viewer-mode-map
|
|
|
764 "v" (function mime-viewer/play-content))
|
|
|
765 (define-key mime/viewer-mode-map
|
|
98
|
766 "e" (function mime-viewer/extract-content))
|
|
4
|
767 (define-key mime/viewer-mode-map
|
|
|
768 "\C-c\C-p" (function mime-viewer/print-content))
|
|
|
769 (define-key mime/viewer-mode-map
|
|
|
770 "x" (function mime-viewer/display-x-face))
|
|
|
771 (define-key mime/viewer-mode-map
|
|
|
772 "a" (function mime-viewer/follow-content))
|
|
|
773 (define-key mime/viewer-mode-map
|
|
|
774 "q" (function mime-viewer/quit))
|
|
|
775 (define-key mime/viewer-mode-map
|
|
|
776 "h" (function mime-viewer/show-summary))
|
|
|
777 (define-key mime/viewer-mode-map
|
|
|
778 "\C-c\C-x" (function mime-viewer/kill-buffer))
|
|
|
779 (define-key mime/viewer-mode-map
|
|
|
780 "<" (function beginning-of-buffer))
|
|
|
781 (define-key mime/viewer-mode-map
|
|
|
782 ">" (function end-of-buffer))
|
|
|
783 (define-key mime/viewer-mode-map
|
|
|
784 "?" (function describe-mode))
|
|
|
785 (if mouse-button-2
|
|
|
786 (define-key mime/viewer-mode-map
|
|
|
787 mouse-button-2 (function tm:button-dispatcher))
|
|
|
788 )
|
|
|
789 (cond (running-xemacs
|
|
|
790 (define-key mime/viewer-mode-map
|
|
|
791 mouse-button-3 (function mime-viewer/xemacs-popup-menu))
|
|
|
792 )
|
|
|
793 ((>= emacs-major-version 19)
|
|
|
794 (define-key mime/viewer-mode-map [menu-bar mime-view]
|
|
|
795 (cons mime-viewer/menu-title
|
|
|
796 (make-sparse-keymap mime-viewer/menu-title)))
|
|
|
797 (mapcar (function
|
|
|
798 (lambda (item)
|
|
|
799 (define-key mime/viewer-mode-map
|
|
|
800 (vector 'menu-bar 'mime-view (car item))
|
|
|
801 (cons (nth 1 item)(nth 2 item))
|
|
|
802 )
|
|
|
803 ))
|
|
|
804 (reverse mime-viewer/menu-list)
|
|
|
805 )
|
|
|
806 ))
|
|
|
807 (use-local-map mime/viewer-mode-map)
|
|
|
808 (run-hooks 'mime-viewer/define-keymap-hook)
|
|
|
809 ))
|
|
|
810
|
|
|
811 (defun mime/viewer-mode (&optional mother ctl encoding ibuf obuf
|
|
|
812 mother-keymap)
|
|
|
813 "Major mode for viewing MIME message.
|
|
|
814
|
|
|
815 Here is a list of the standard keys for mime/viewer-mode.
|
|
|
816
|
|
|
817 key feature
|
|
|
818 --- -------
|
|
|
819
|
|
|
820 u Move to upper content
|
|
98
|
821 p or M-TAB Move to previous content
|
|
|
822 n or TAB Move to next content
|
|
4
|
823 SPC Scroll up or move to next content
|
|
98
|
824 M-SPC or DEL Scroll down or move to previous content
|
|
4
|
825 RET Move to next line
|
|
|
826 M-RET Move to previous line
|
|
|
827 v Decode current content as `play mode'
|
|
|
828 e Decode current content as `extract mode'
|
|
|
829 C-c C-p Decode current content as `print mode'
|
|
|
830 a Followup to current content.
|
|
|
831 x Display X-Face
|
|
|
832 q Quit
|
|
|
833 button-2 Move to point under the mouse cursor
|
|
|
834 and decode current content as `play mode'
|
|
|
835 "
|
|
|
836 (interactive)
|
|
|
837 (let ((buf (get-buffer mime/output-buffer-name)))
|
|
|
838 (if buf
|
|
|
839 (save-excursion
|
|
|
840 (set-buffer buf)
|
|
|
841 (erase-buffer)
|
|
|
842 )))
|
|
|
843 (let ((ret (mime-viewer/setup-buffer ctl encoding ibuf obuf))
|
|
|
844 (win-conf (current-window-configuration))
|
|
|
845 )
|
|
|
846 (prog1
|
|
|
847 (switch-to-buffer (car ret))
|
|
|
848 (setq mime::preview/original-window-configuration win-conf)
|
|
|
849 (if mother
|
|
|
850 (progn
|
|
|
851 (setq mime::preview/mother-buffer mother)
|
|
|
852 ))
|
|
|
853 (mime-viewer/define-keymap mother-keymap)
|
|
|
854 (setq mime::preview/content-list (nth 1 ret))
|
|
|
855 (goto-char
|
|
|
856 (let ((ce (mime::preview-content-info/point-max
|
|
|
857 (car mime::preview/content-list)
|
|
|
858 ))
|
|
|
859 e)
|
|
|
860 (goto-char (point-min))
|
|
|
861 (search-forward "\n\n" nil t)
|
|
|
862 (setq e (match-end 0))
|
|
|
863 (if (<= e ce)
|
|
|
864 e
|
|
|
865 ce)))
|
|
|
866 (run-hooks 'mime/viewer-mode-hook)
|
|
|
867 )))
|
|
|
868
|
|
|
869 (defun mime-preview/point-content-number (point)
|
|
|
870 (save-window-excursion
|
|
|
871 (let ((pc (mime-preview/point-pcinfo (point)))
|
|
|
872 cinfo)
|
|
|
873 (switch-to-buffer (mime::preview-content-info/buffer pc))
|
|
|
874 (setq cinfo (mime::preview-content-info/content-info pc))
|
|
|
875 (mime-article/point-content-number (mime::content-info/point-min cinfo))
|
|
|
876 )))
|
|
|
877
|
|
|
878 (defun mime-preview/cinfo-to-pcinfo (cinfo)
|
|
|
879 (let ((rpcl mime::preview/content-list) cell)
|
|
|
880 (catch 'tag
|
|
|
881 (while rpcl
|
|
|
882 (setq cell (car rpcl))
|
|
|
883 (if (eq cinfo (mime::preview-content-info/content-info cell))
|
|
|
884 (throw 'tag cell)
|
|
|
885 )
|
|
|
886 (setq rpcl (cdr rpcl))
|
|
|
887 ))))
|
|
|
888
|
|
|
889 (autoload 'mime-preview/decode-content "tm-play")
|
|
|
890
|
|
|
891 (defvar mime-viewer/decoding-mode "play" "MIME body decoding mode")
|
|
|
892
|
|
|
893 (defun mime-viewer/play-content ()
|
|
|
894 (interactive)
|
|
|
895 (let ((mime-viewer/decoding-mode "play"))
|
|
|
896 (mime-preview/decode-content)
|
|
|
897 ))
|
|
|
898
|
|
|
899 (defun mime-viewer/extract-content ()
|
|
|
900 (interactive)
|
|
|
901 (let ((mime-viewer/decoding-mode "extract"))
|
|
|
902 (mime-preview/decode-content)
|
|
|
903 ))
|
|
|
904
|
|
|
905 (defun mime-viewer/print-content ()
|
|
|
906 (interactive)
|
|
|
907 (let ((mime-viewer/decoding-mode "print"))
|
|
|
908 (mime-preview/decode-content)
|
|
|
909 ))
|
|
|
910
|
|
|
911 (defun mime-viewer/follow-content ()
|
|
|
912 (interactive)
|
|
|
913 (let ((root-cinfo
|
|
|
914 (mime::preview-content-info/content-info
|
|
|
915 (car mime::preview/content-list)))
|
|
|
916 pc p-beg p-end cinfo rcnum)
|
|
|
917 (let ((rest mime::preview/content-list)
|
|
|
918 b e cell len rc)
|
|
|
919 (if (catch 'tag
|
|
|
920 (while (setq cell (car rest))
|
|
|
921 (setq b (mime::preview-content-info/point-min cell)
|
|
|
922 e (mime::preview-content-info/point-max cell))
|
|
|
923 (setq rest (cdr rest))
|
|
|
924 (if (and (<= b (point))(<= (point) e))
|
|
|
925 (throw 'tag cell)
|
|
|
926 )
|
|
|
927 ))
|
|
|
928 (progn
|
|
|
929 (setq pc cell
|
|
|
930 cinfo (mime::preview-content-info/content-info pc)
|
|
|
931 rcnum (mime::content-info/rcnum cinfo))
|
|
|
932 (setq len (length rcnum))
|
|
|
933 (setq p-beg (mime::preview-content-info/point-min pc)
|
|
|
934 p-end (mime::preview-content-info/point-max pc))
|
|
|
935 (while (and (setq cell (car rest))
|
|
|
936 (progn
|
|
|
937 (setq rc
|
|
|
938 (mime::content-info/rcnum
|
|
|
939 (mime::preview-content-info/content-info
|
|
|
940 cell)))
|
|
|
941 (equal rcnum
|
|
|
942 (nthcdr (- (length rc) len) rc))
|
|
|
943 ))
|
|
|
944 (setq p-end (mime::preview-content-info/point-max cell))
|
|
|
945 (setq rest (cdr rest))
|
|
|
946 ))))
|
|
|
947 (if pc
|
|
|
948 (let* ((mode (mime-preview/get-original-major-mode))
|
|
|
949 (new-name (format "%s-%s" (buffer-name) (reverse rcnum)))
|
|
|
950 new-buf
|
|
|
951 (the-buf (current-buffer))
|
|
|
952 (a-buf mime::preview/article-buffer)
|
|
|
953 (hb (mime::content-info/point-min cinfo))
|
|
|
954 (he (mime::content-info/point-max cinfo))
|
|
|
955 fields from to cc reply-to subj mid f)
|
|
|
956 (save-excursion
|
|
|
957 (set-buffer (setq new-buf (get-buffer-create new-name)))
|
|
|
958 (erase-buffer)
|
|
|
959 (insert-buffer-substring the-buf p-beg p-end)
|
|
|
960 (goto-char (point-min))
|
|
|
961 (if (mime-viewer/header-visible-p rcnum root-cinfo)
|
|
|
962 (delete-region (goto-char (point-min))
|
|
|
963 (if (re-search-forward "^$" nil t)
|
|
|
964 (match-end 0)
|
|
|
965 (point-min)))
|
|
|
966 )
|
|
|
967 (goto-char (point-min))
|
|
|
968 (insert "\n")
|
|
|
969 (goto-char (point-min))
|
|
|
970 (let ((rcnum (mime::content-info/rcnum cinfo)) ci str)
|
|
|
971 (while (progn
|
|
|
972 (setq str
|
|
|
973 (save-excursion
|
|
|
974 (set-buffer a-buf)
|
|
|
975 (setq ci (mime-article/rcnum-to-cinfo rcnum))
|
|
|
976 (save-restriction
|
|
|
977 (narrow-to-region
|
|
|
978 (mime::content-info/point-min ci)
|
|
|
979 (mime::content-info/point-max ci)
|
|
|
980 )
|
|
|
981 (std11-header-string-except
|
|
|
982 (concat "^"
|
|
|
983 (apply (function regexp-or) fields)
|
|
|
984 ":") ""))))
|
|
|
985 (if (string-equal (mime::content-info/type ci)
|
|
|
986 "message/rfc822")
|
|
|
987 nil
|
|
|
988 (if str
|
|
|
989 (insert str)
|
|
|
990 )
|
|
|
991 rcnum))
|
|
|
992 (setq fields (std11-collect-field-names)
|
|
|
993 rcnum (cdr rcnum))
|
|
|
994 )
|
|
|
995 )
|
|
74
|
996 (let ((rest mime-viewer/following-required-fields-list))
|
|
|
997 (while rest
|
|
|
998 (let ((field-name (car rest)))
|
|
|
999 (or (std11-field-body field-name)
|
|
|
1000 (insert
|
|
|
1001 (format
|
|
|
1002 (concat field-name
|
|
|
1003 ": "
|
|
|
1004 (save-excursion
|
|
|
1005 (set-buffer the-buf)
|
|
|
1006 (set-buffer mime::preview/mother-buffer)
|
|
|
1007 (set-buffer mime::preview/article-buffer)
|
|
|
1008 (std11-field-body field-name)
|
|
|
1009 )
|
|
|
1010 "\n")))
|
|
|
1011 ))
|
|
|
1012 (setq rest (cdr rest))
|
|
|
1013 ))
|
|
4
|
1014 (mime/decode-message-header)
|
|
|
1015 )
|
|
98
|
1016 (let ((f (cdr (assq mode mime-viewer/following-method-alist))))
|
|
|
1017 (if (functionp f)
|
|
|
1018 (funcall f new-buf)
|
|
|
1019 (message
|
|
|
1020 (format
|
|
|
1021 "Sorry, following method for %s is not implemented yet."
|
|
|
1022 mode))
|
|
|
1023 ))
|
|
4
|
1024 ))))
|
|
|
1025
|
|
|
1026 (defun mime-viewer/display-x-face ()
|
|
|
1027 (interactive)
|
|
|
1028 (save-window-excursion
|
|
|
1029 (set-buffer mime::preview/article-buffer)
|
|
|
1030 (mime-viewer/x-face-function)
|
|
|
1031 ))
|
|
|
1032
|
|
|
1033 (defun mime-viewer/up-content ()
|
|
|
1034 (interactive)
|
|
|
1035 (let* ((pc (mime-preview/point-pcinfo (point)))
|
|
|
1036 (cinfo (mime::preview-content-info/content-info pc))
|
|
|
1037 (rcnum (mime::content-info/rcnum cinfo))
|
|
|
1038 )
|
|
|
1039 (if rcnum
|
|
|
1040 (let ((r (save-excursion
|
|
|
1041 (set-buffer (mime::preview-content-info/buffer pc))
|
|
|
1042 (mime-article/rcnum-to-cinfo (cdr rcnum))
|
|
|
1043 ))
|
|
|
1044 (rpcl mime::preview/content-list)
|
|
|
1045 cell)
|
|
|
1046 (while (and
|
|
|
1047 (setq cell (car rpcl))
|
|
|
1048 (not (eq r (mime::preview-content-info/content-info cell)))
|
|
|
1049 )
|
|
|
1050 (setq rpcl (cdr rpcl))
|
|
|
1051 )
|
|
|
1052 (goto-char (mime::preview-content-info/point-min cell))
|
|
|
1053 )
|
|
|
1054 (mime-viewer/quit)
|
|
|
1055 )))
|
|
|
1056
|
|
|
1057 (defun mime-viewer/previous-content ()
|
|
|
1058 (interactive)
|
|
|
1059 (let* ((pcl mime::preview/content-list)
|
|
|
1060 (p (point))
|
|
|
1061 (i (- (length pcl) 1))
|
|
|
1062 beg)
|
|
|
1063 (catch 'tag
|
|
74
|
1064 (while (> i 0)
|
|
4
|
1065 (setq beg (mime::preview-content-info/point-min (nth i pcl)))
|
|
|
1066 (if (> p beg)
|
|
|
1067 (throw 'tag (goto-char beg))
|
|
|
1068 )
|
|
|
1069 (setq i (- i 1))
|
|
|
1070 )
|
|
|
1071 (let ((f (assq mime::preview/original-major-mode
|
|
|
1072 mime-viewer/over-to-previous-method-alist)))
|
|
|
1073 (if f
|
|
|
1074 (funcall (cdr f))
|
|
|
1075 ))
|
|
|
1076 )
|
|
|
1077 ))
|
|
|
1078
|
|
|
1079 (defun mime-viewer/next-content ()
|
|
|
1080 (interactive)
|
|
|
1081 (let ((pcl mime::preview/content-list)
|
|
|
1082 (p (point))
|
|
|
1083 beg)
|
|
|
1084 (catch 'tag
|
|
|
1085 (while pcl
|
|
|
1086 (setq beg (mime::preview-content-info/point-min (car pcl)))
|
|
|
1087 (if (< p beg)
|
|
|
1088 (throw 'tag (goto-char beg))
|
|
|
1089 )
|
|
|
1090 (setq pcl (cdr pcl))
|
|
|
1091 )
|
|
|
1092 (let ((f (assq mime::preview/original-major-mode
|
|
|
1093 mime-viewer/over-to-next-method-alist)))
|
|
|
1094 (if f
|
|
|
1095 (funcall (cdr f))
|
|
|
1096 ))
|
|
|
1097 )
|
|
|
1098 ))
|
|
|
1099
|
|
|
1100 (defun mime-viewer/scroll-up-content (&optional h)
|
|
|
1101 (interactive)
|
|
|
1102 (or h
|
|
|
1103 (setq h (- (window-height) 1))
|
|
|
1104 )
|
|
|
1105 (if (= (point) (point-max))
|
|
|
1106 (let ((f (assq mime::preview/original-major-mode
|
|
|
1107 mime-viewer/over-to-next-method-alist)))
|
|
|
1108 (if f
|
|
|
1109 (funcall (cdr f))
|
|
|
1110 ))
|
|
|
1111 (let ((pcl mime::preview/content-list)
|
|
|
1112 (p (point))
|
|
|
1113 np beg)
|
|
|
1114 (setq np
|
|
|
1115 (or (catch 'tag
|
|
|
1116 (while pcl
|
|
|
1117 (setq beg (mime::preview-content-info/point-min (car pcl)))
|
|
|
1118 (if (< p beg)
|
|
|
1119 (throw 'tag beg)
|
|
|
1120 )
|
|
|
1121 (setq pcl (cdr pcl))
|
|
|
1122 ))
|
|
|
1123 (point-max)))
|
|
|
1124 (forward-line h)
|
|
|
1125 (if (> (point) np)
|
|
|
1126 (goto-char np)
|
|
|
1127 )
|
|
|
1128 ;;(show-subtree)
|
|
|
1129 ))
|
|
|
1130 )
|
|
|
1131
|
|
|
1132 (defun mime-viewer/scroll-down-content (&optional h)
|
|
|
1133 (interactive)
|
|
|
1134 (or h
|
|
|
1135 (setq h (- (window-height) 1))
|
|
|
1136 )
|
|
|
1137 (if (= (point) (point-min))
|
|
|
1138 (let ((f (assq mime::preview/original-major-mode
|
|
|
1139 mime-viewer/over-to-previous-method-alist)))
|
|
|
1140 (if f
|
|
|
1141 (funcall (cdr f))
|
|
|
1142 ))
|
|
|
1143 (let ((pcl mime::preview/content-list)
|
|
|
1144 (p (point))
|
|
|
1145 pp beg)
|
|
|
1146 (setq pp
|
|
|
1147 (or (let ((i (- (length pcl) 1)))
|
|
|
1148 (catch 'tag
|
|
|
1149 (while (> i 0)
|
|
|
1150 (setq beg (mime::preview-content-info/point-min
|
|
|
1151 (nth i pcl)))
|
|
|
1152 (if (> p beg)
|
|
|
1153 (throw 'tag beg)
|
|
|
1154 )
|
|
|
1155 (setq i (- i 1))
|
|
|
1156 )))
|
|
|
1157 (point-min)))
|
|
|
1158 (forward-line (- h))
|
|
|
1159 (if (< (point) pp)
|
|
|
1160 (goto-char pp)
|
|
|
1161 )))
|
|
|
1162 )
|
|
|
1163
|
|
|
1164 (defun mime-viewer/next-line-content ()
|
|
|
1165 (interactive)
|
|
|
1166 (mime-viewer/scroll-up-content 1)
|
|
|
1167 )
|
|
|
1168
|
|
|
1169 (defun mime-viewer/previous-line-content ()
|
|
|
1170 (interactive)
|
|
|
1171 (mime-viewer/scroll-down-content 1)
|
|
|
1172 )
|
|
|
1173
|
|
|
1174 (defun mime-viewer/quit ()
|
|
|
1175 (interactive)
|
|
|
1176 (let ((r (save-excursion
|
|
|
1177 (set-buffer (mime::preview-content-info/buffer
|
|
|
1178 (mime-preview/point-pcinfo (point))))
|
|
|
1179 (assq major-mode mime-viewer/quitting-method-alist)
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|
|
1180 )))
|
|
|
1181 (if r
|
|
|
1182 (funcall (cdr r))
|
|
|
1183 )))
|
|
|
1184
|
|
|
1185 (defun mime-viewer/show-summary ()
|
|
|
1186 (interactive)
|
|
|
1187 (let ((r (save-excursion
|
|
|
1188 (set-buffer
|
|
|
1189 (mime::preview-content-info/buffer
|
|
|
1190 (mime-preview/point-pcinfo (point)))
|
|
|
1191 )
|
|
|
1192 (assq major-mode mime-viewer/show-summary-method)
|
|
|
1193 )))
|
|
|
1194 (if r
|
|
|
1195 (funcall (cdr r))
|
|
|
1196 )))
|
|
|
1197
|
|
|
1198 (defun mime-viewer/kill-buffer ()
|
|
|
1199 (interactive)
|
|
|
1200 (kill-buffer (current-buffer))
|
|
|
1201 )
|
|
|
1202
|
|
|
1203
|
|
|
1204 ;;; @ end
|
|
|
1205 ;;;
|
|
|
1206
|
|
|
1207 (provide 'tm-view)
|
|
|
1208
|
|
|
1209 (run-hooks 'tm-view-load-hook)
|
|
|
1210
|
|
|
1211 ;;; tm-view.el ends here
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