1 | ;;; emu.el --- Emulation module for each Emacs variants |
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2 | |
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3 | ;; Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc. |
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4 | |
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5 | ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp> |
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6 | ;; Keywords: emulation, compatibility, NEmacs, MULE, Emacs/mule, XEmacs |
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7 | |
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8 | ;; This file is part of emu. |
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9 | |
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10 | ;; This program is free software; you can redistribute it and/or |
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11 | ;; modify it under the terms of the GNU General Public License as |
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12 | ;; published by the Free Software Foundation; either version 2, or (at |
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13 | ;; your option) any later version. |
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14 | |
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15 | ;; This program is distributed in the hope that it will be useful, but |
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16 | ;; WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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18 | ;; General Public License for more details. |
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19 | |
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20 | ;; You should have received a copy of the GNU General Public License |
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21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
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22 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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23 | ;; Boston, MA 02111-1307, USA. |
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24 | |
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25 | ;;; Code: |
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26 | |
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27 | (require 'poe) |
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28 | |
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29 | (defvar running-emacs-18 (<= emacs-major-version 18)) |
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30 | (defvar running-xemacs (featurep 'xemacs)) |
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31 | |
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32 | (defvar running-mule-merged-emacs (and (not (boundp 'MULE)) |
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33 | (not running-xemacs) (featurep 'mule))) |
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34 | (defvar running-xemacs-with-mule (and running-xemacs (featurep 'mule))) |
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35 | |
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36 | (defvar running-emacs-19 (and (not running-xemacs) (= emacs-major-version 19))) |
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37 | (defvar running-emacs-19_29-or-later |
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38 | (or (and running-emacs-19 (>= emacs-minor-version 29)) |
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39 | (and (not running-xemacs)(>= emacs-major-version 20)))) |
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40 | |
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41 | (defvar running-xemacs-19 (and running-xemacs |
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42 | (= emacs-major-version 19))) |
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43 | (defvar running-xemacs-20-or-later (and running-xemacs |
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44 | (>= emacs-major-version 20))) |
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45 | (defvar running-xemacs-19_14-or-later |
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46 | (or (and running-xemacs-19 (>= emacs-minor-version 14)) |
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47 | running-xemacs-20-or-later)) |
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48 | |
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49 | (cond (running-xemacs |
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50 | ;; for XEmacs |
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51 | (defvar mouse-button-1 'button1) |
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52 | (defvar mouse-button-2 'button2) |
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53 | (defvar mouse-button-3 'button3) |
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54 | ) |
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55 | ((>= emacs-major-version 19) |
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56 | ;; mouse |
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57 | (defvar mouse-button-1 [mouse-1]) |
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58 | (defvar mouse-button-2 [mouse-2]) |
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59 | (defvar mouse-button-3 [down-mouse-3]) |
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60 | ) |
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61 | (t |
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62 | ;; mouse |
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63 | (defvar mouse-button-1 nil) |
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64 | (defvar mouse-button-2 nil) |
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65 | (defvar mouse-button-3 nil) |
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66 | )) |
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67 | |
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68 | ;; for tm-7.106 |
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69 | (unless (fboundp 'tl:make-overlay) |
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70 | (defalias 'tl:make-overlay 'make-overlay) |
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71 | (make-obsolete 'tl:make-overlay 'make-overlay) |
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72 | ) |
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73 | (unless (fboundp 'tl:overlay-put) |
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74 | (defalias 'tl:overlay-put 'overlay-put) |
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75 | (make-obsolete 'tl:overlay-put 'overlay-put) |
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76 | ) |
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77 | (unless (fboundp 'tl:overlay-put) |
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78 | (defalias 'tl:overlay-buffer 'overlay-buffer) |
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79 | (make-obsolete 'tl:overlay-buffer 'overlay-buffer) |
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80 | ) |
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81 | |
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82 | (require 'poem) |
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83 | (require 'mcharset) |
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84 | (require 'invisible) |
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85 | |
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86 | (defsubst char-list-to-string (char-list) |
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87 | "Convert list of character CHAR-LIST to string." |
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88 | (apply (function string) char-list)) |
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89 | |
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90 | (cond ((featurep 'mule) |
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91 | (cond ((featurep 'xemacs) ; for XEmacs with MULE |
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92 | ;; old Mule emulating aliases |
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93 | |
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94 | ;;(defalias 'char-leading-char 'char-charset) |
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95 | |
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96 | (defun char-category (character) |
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97 | "Return string of category mnemonics for CHAR in TABLE. |
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98 | CHAR can be any multilingual character |
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99 | TABLE defaults to the current buffer's category table." |
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100 | (mapconcat (lambda (chr) |
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101 | (char-to-string (int-char chr))) |
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102 | (char-category-list character) |
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103 | "")) |
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104 | ) |
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105 | ((>= emacs-major-version 20) ; for Emacs 20 |
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106 | (defalias 'insert-binary-file-contents-literally |
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107 | 'insert-file-contents-literally) |
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108 | |
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109 | ;; old Mule emulating aliases |
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110 | (defun char-category (character) |
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111 | "Return string of category mnemonics for CHAR in TABLE. |
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112 | CHAR can be any multilingual character |
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113 | TABLE defaults to the current buffer's category table." |
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114 | (category-set-mnemonics (char-category-set character))) |
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115 | ) |
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116 | (t ; for MULE 1.* and 2.* |
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117 | (require 'emu-mule) |
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118 | )) |
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119 | ) |
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120 | ((boundp 'NEMACS) |
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121 | ;; for NEmacs and NEpoch |
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122 | |
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123 | ;; old MULE emulation |
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124 | (defconst *noconv* 0) |
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125 | (defconst *sjis* 1) |
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126 | (defconst *junet* 2) |
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127 | (defconst *ctext* 2) |
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128 | (defconst *internal* 3) |
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129 | (defconst *euc-japan* 3) |
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130 | |
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131 | (defun code-convert-string (str ic oc) |
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132 | "Convert code in STRING from SOURCE code to TARGET code, |
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133 | On successful converion, returns the result string, |
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134 | else returns nil." |
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135 | (if (not (eq ic oc)) |
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136 | (convert-string-kanji-code str ic oc) |
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137 | str)) |
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138 | |
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139 | (defun code-convert-region (beg end ic oc) |
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140 | "Convert code of the text between BEGIN and END from SOURCE |
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141 | to TARGET. On successful conversion returns t, |
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142 | else returns nil." |
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143 | (if (/= ic oc) |
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144 | (save-excursion |
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145 | (save-restriction |
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146 | (narrow-to-region beg end) |
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147 | (convert-region-kanji-code beg end ic oc))) |
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148 | )) |
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149 | ) |
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150 | (t |
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151 | ;; for Emacs 19 and XEmacs without MULE |
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152 | |
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153 | ;; old MULE emulation |
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154 | (defconst *internal* nil) |
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155 | (defconst *ctext* nil) |
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156 | (defconst *noconv* nil) |
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157 | |
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158 | (defun code-convert-string (str ic oc) |
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159 | "Convert code in STRING from SOURCE code to TARGET code, |
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160 | On successful converion, returns the result string, |
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161 | else returns nil. [emu-latin1.el; old MULE emulating function]" |
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162 | str) |
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163 | |
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164 | (defun code-convert-region (beg end ic oc) |
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165 | "Convert code of the text between BEGIN and END from SOURCE |
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166 | to TARGET. On successful conversion returns t, |
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167 | else returns nil. [emu-latin1.el; old MULE emulating function]" |
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168 | t) |
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169 | )) |
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170 | |
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171 | |
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172 | ;;; @ Mule emulating aliases |
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173 | ;;; |
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174 | ;;; You should not use it. |
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175 | |
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176 | (or (boundp '*noconv*) |
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177 | (defconst *noconv* 'binary |
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178 | "Coding-system for binary. |
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179 | This constant is defined to emulate old MULE anything older than MULE 2.3. |
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180 | It is obsolete, so don't use it.")) |
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181 | |
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182 | |
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183 | ;;; @ without code-conversion |
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184 | ;;; |
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185 | |
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186 | (defalias 'insert-binary-file-contents 'insert-file-contents-as-binary) |
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187 | (make-obsolete 'insert-binary-file-contents 'insert-file-contents-as-binary) |
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188 | |
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189 | (defun-maybe insert-binary-file-contents-literally (filename |
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190 | &optional visit |
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191 | beg end replace) |
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192 | "Like `insert-file-contents-literally', q.v., but don't code conversion. |
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193 | A buffer may be modified in several ways after reading into the buffer due |
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194 | to advanced Emacs features, such as file-name-handlers, format decoding, |
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195 | find-file-hooks, etc. |
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196 | This function ensures that none of these modifications will take place." |
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197 | (as-binary-input-file |
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198 | ;; Returns list absolute file name and length of data inserted. |
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199 | (insert-file-contents-literally filename visit beg end replace))) |
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200 | |
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201 | |
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202 | ;;; @ for text/richtext and text/enriched |
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203 | ;;; |
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204 | |
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205 | (cond ((fboundp 'richtext-decode) |
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206 | ;; have richtext.el |
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207 | ) |
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208 | ((or running-emacs-19_29-or-later running-xemacs-19_14-or-later) |
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209 | ;; have enriched.el |
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210 | (autoload 'richtext-decode "richtext") |
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211 | (or (assq 'text/richtext format-alist) |
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212 | (setq format-alist |
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213 | (cons |
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214 | (cons 'text/richtext |
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215 | '("Extended MIME text/richtext format." |
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216 | "Content-[Tt]ype:[ \t]*text/richtext" |
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217 | richtext-decode richtext-encode t enriched-mode)) |
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218 | format-alist))) |
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219 | ) |
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220 | (t |
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221 | ;; don't have enriched.el |
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222 | (autoload 'richtext-decode "tinyrich") |
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223 | (autoload 'enriched-decode "tinyrich") |
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224 | )) |
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225 | |
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226 | (if (or (and (eq emacs-major-version 19) |
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227 | (>= emacs-minor-version (if (featurep 'xemacs) 14 29))) |
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228 | (and (eq emacs-major-version 20) |
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229 | (< emacs-minor-version (if (featurep 'xemacs) 3 1)))) |
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230 | (eval-after-load "enriched" |
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231 | '(if (fboundp 'si:enriched-encode) |
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232 | nil |
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233 | (fset 'si:enriched-encode (symbol-function 'enriched-encode)) |
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234 | (defun enriched-encode (from to &optional orig-buf) |
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235 | (let* ((si:enriched-initial-annotation enriched-initial-annotation) |
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236 | (enriched-initial-annotation |
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237 | (if (stringp si:enriched-initial-annotation) |
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238 | si:enriched-initial-annotation |
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239 | (function |
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240 | (lambda () |
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241 | (save-excursion |
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242 | ;; Eval this in the buffer we are annotating. This |
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243 | ;; fixes a bug which was saving incorrect File-Width |
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244 | ;; information, since we were looking at local |
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245 | ;; variables in the wrong buffer. |
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246 | (if orig-buf (set-buffer orig-buf)) |
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247 | (funcall si:enriched-initial-annotation))))))) |
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248 | (si::enriched-encode from to)))))) |
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249 | |
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250 | |
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251 | ;;; @ end |
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252 | ;;; |
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253 | |
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254 | (require 'product) |
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255 | (product-provide (provide 'emu) (require 'apel-ver)) |
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256 | |
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257 | ;;; emu.el ends here |
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