1 | ;;; -*-byte-compile-dynamic: t;-*- |
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2 | ;;; pces-20.el --- pces submodule for Emacs 20 and XEmacs with coding-system |
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3 | |
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4 | ;; Copyright (C) 1997,1998,1999 Free Software Foundation, Inc. |
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5 | |
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6 | ;; Author: MORIOKA Tomohiko <tomo@m17n.org> |
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7 | ;; Keywords: emulation, compatibility, Mule |
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8 | |
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9 | ;; This file is part of APEL (A Portable Emacs Library). |
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10 | |
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11 | ;; This program is free software; you can redistribute it and/or |
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12 | ;; modify it under the terms of the GNU General Public License as |
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13 | ;; published by the Free Software Foundation; either version 2, or (at |
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14 | ;; your option) any later version. |
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15 | |
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16 | ;; This program is distributed in the hope that it will be useful, but |
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17 | ;; WITHOUT ANY WARRANTY; without even the implied warranty of |
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18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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19 | ;; General Public License for more details. |
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20 | |
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21 | ;; You should have received a copy of the GNU General Public License |
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22 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
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23 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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24 | ;; Boston, MA 02111-1307, USA. |
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25 | |
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26 | ;;; Commentary: |
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27 | |
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28 | ;; This module requires Emacs 20.0.93, XEmacs 20.3-b5 (with mule) |
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29 | ;; or later. |
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30 | |
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31 | ;;; Code: |
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32 | |
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33 | ;; (defun-maybe-cond multibyte-string-p (object) |
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34 | ;; "Return t if OBJECT is a multibyte string." |
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35 | ;; ((featurep 'mule) (stringp object)) |
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36 | ;; (t nil)) |
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37 | |
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38 | |
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39 | ;;; @ without code-conversion |
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40 | ;;; |
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41 | |
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42 | (defmacro as-binary-process (&rest body) |
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43 | `(let (selective-display ; Disable ^M to nl translation. |
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44 | (coding-system-for-read 'binary) |
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45 | (coding-system-for-write 'binary)) |
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46 | ,@body)) |
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47 | |
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48 | (defmacro as-binary-input-file (&rest body) |
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49 | `(let ((coding-system-for-read 'binary)) |
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50 | ,@body)) |
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51 | |
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52 | (defmacro as-binary-output-file (&rest body) |
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53 | `(let ((coding-system-for-write 'binary)) |
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54 | ,@body)) |
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55 | |
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56 | (defun write-region-as-binary (start end filename |
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57 | &optional append visit lockname) |
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58 | "Like `write-region', q.v., but don't encode." |
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59 | (let ((coding-system-for-write 'binary) |
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60 | jka-compr-compression-info-list jam-zcat-filename-list) |
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61 | (write-region start end filename append visit lockname))) |
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62 | |
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63 | (require 'broken) |
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64 | |
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65 | (broken-facility insert-file-contents-literally-treats-binary |
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66 | "Function `insert-file-contents-literally' decodes text." |
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67 | (let* ((str "\r\n") |
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68 | (coding-system-for-write 'binary) |
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69 | (coding-system-for-read 'raw-text-dos) |
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70 | ;; (default-enable-multibyte-characters (multibyte-string-p str)) |
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71 | ) |
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72 | (with-temp-buffer |
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73 | (insert str) |
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74 | (write-region (point-min)(point-max) "literal-test-file") |
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75 | ) |
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76 | (string= |
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77 | (with-temp-buffer |
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78 | (let (file-name-handler-alist) |
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79 | (insert-file-contents-literally "literal-test-file") |
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80 | ) |
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81 | (buffer-string) |
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82 | ) |
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83 | str))) |
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84 | |
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85 | (broken-facility insert-file-contents-literally-treats-file-name-handler |
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86 | "Function `insert-file-contents' doesn't call file-name-handler." |
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87 | (let (called) |
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88 | (with-temp-buffer |
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89 | (let ((file-name-handler-alist |
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90 | '(("literal-test-file" . (lambda (operation &rest args) |
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91 | (setq called t) |
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92 | (let (file-name-handler-alist) |
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93 | (apply operation args) |
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94 | )))))) |
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95 | (insert-file-contents-literally "literal-test-file") |
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96 | ) |
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97 | (delete-file "literal-test-file") |
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98 | ) |
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99 | called)) |
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100 | |
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101 | (static-if |
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102 | (or (broken-p 'insert-file-contents-literally-treats-binary) |
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103 | (broken-p 'insert-file-contents-literally-treats-file-name-handler)) |
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104 | (defun insert-file-contents-as-binary (filename |
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105 | &optional visit beg end replace) |
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106 | "Like `insert-file-contents', but only reads in the file literally. |
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107 | A buffer may be modified in several ways after reading into the buffer, |
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108 | to Emacs features such as format decoding, character code |
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109 | conversion, find-file-hooks, automatic uncompression, etc. |
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110 | |
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111 | This function ensures that none of these modifications will take place." |
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112 | (let ((format-alist nil) |
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113 | (after-insert-file-functions nil) |
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114 | (coding-system-for-read 'binary) |
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115 | (coding-system-for-write 'binary) |
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116 | (jka-compr-compression-info-list nil) |
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117 | (jam-zcat-filename-list nil) |
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118 | (find-buffer-file-type-function |
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119 | (if (fboundp 'find-buffer-file-type) |
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120 | (symbol-function 'find-buffer-file-type) |
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121 | nil))) |
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122 | (unwind-protect |
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123 | (progn |
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124 | (fset 'find-buffer-file-type (lambda (filename) t)) |
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125 | (insert-file-contents filename visit beg end replace)) |
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126 | (if find-buffer-file-type-function |
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127 | (fset 'find-buffer-file-type find-buffer-file-type-function) |
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128 | (fmakunbound 'find-buffer-file-type))))) |
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129 | (defalias 'insert-file-contents-as-binary 'insert-file-contents-literally) |
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130 | ) |
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131 | |
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132 | (defun insert-file-contents-as-raw-text (filename |
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133 | &optional visit beg end replace) |
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134 | "Like `insert-file-contents', q.v., but don't code and format conversion. |
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135 | Like `insert-file-contents-literary', but it allows find-file-hooks, |
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136 | automatic uncompression, etc. |
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137 | Like `insert-file-contents-as-binary', but it converts line-break |
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138 | code." |
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139 | (let ((coding-system-for-read 'raw-text) |
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140 | format-alist) |
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141 | ;; Returns list of absolute file name and length of data inserted. |
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142 | (insert-file-contents filename visit beg end replace))) |
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143 | |
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144 | (defun insert-file-contents-as-raw-text-CRLF (filename |
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145 | &optional visit beg end replace) |
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146 | "Like `insert-file-contents', q.v., but don't code and format conversion. |
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147 | Like `insert-file-contents-literary', but it allows find-file-hooks, |
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148 | automatic uncompression, etc. |
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149 | Like `insert-file-contents-as-binary', but it converts line-break code |
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150 | from CRLF to LF." |
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151 | (let ((coding-system-for-read 'raw-text-dos) |
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152 | format-alist) |
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153 | ;; Returns list of absolute file name and length of data inserted. |
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154 | (insert-file-contents filename visit beg end replace))) |
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155 | |
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156 | (defun write-region-as-raw-text-CRLF (start end filename |
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157 | &optional append visit lockname) |
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158 | "Like `write-region', q.v., but write as network representation." |
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159 | (let ((coding-system-for-write 'raw-text-dos)) |
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160 | (write-region start end filename append visit lockname))) |
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161 | |
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162 | (defun find-file-noselect-as-binary (filename &optional nowarn rawfile) |
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163 | "Like `find-file-noselect', q.v., but don't code and format conversion." |
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164 | (let ((coding-system-for-read 'binary) |
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165 | format-alist) |
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166 | (find-file-noselect filename nowarn rawfile))) |
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167 | |
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168 | (defun find-file-noselect-as-raw-text (filename &optional nowarn rawfile) |
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169 | "Like `find-file-noselect', q.v., but it does not code and format conversion |
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170 | except for line-break code." |
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171 | (let ((coding-system-for-read 'raw-text) |
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172 | format-alist) |
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173 | (find-file-noselect filename nowarn rawfile))) |
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174 | |
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175 | (defun find-file-noselect-as-raw-text-CRLF (filename &optional nowarn rawfile) |
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176 | "Like `find-file-noselect', q.v., but it does not code and format conversion |
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177 | except for line-break code." |
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178 | (let ((coding-system-for-read 'raw-text-dos) |
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179 | format-alist) |
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180 | (find-file-noselect filename nowarn rawfile))) |
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181 | |
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182 | (defun save-buffer-as-binary (&optional args) |
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183 | "Like `save-buffer', q.v., but don't encode." |
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184 | (let ((coding-system-for-write 'binary)) |
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185 | (save-buffer args))) |
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186 | |
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187 | (defun save-buffer-as-raw-text-CRLF (&optional args) |
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188 | "Like `save-buffer', q.v., but save as network representation." |
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189 | (let ((coding-system-for-write 'raw-text-dos)) |
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190 | (save-buffer args))) |
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191 | |
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192 | (defun open-network-stream-as-binary (name buffer host service) |
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193 | "Like `open-network-stream', q.v., but don't code conversion." |
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194 | (let ((coding-system-for-read 'binary) |
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195 | (coding-system-for-write 'binary)) |
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196 | (open-network-stream name buffer host service))) |
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197 | |
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198 | |
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199 | ;;; @ with code-conversion |
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200 | ;;; |
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201 | |
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202 | (defun insert-file-contents-as-coding-system |
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203 | (coding-system filename &optional visit beg end replace) |
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204 | "Like `insert-file-contents', q.v., but CODING-SYSTEM the first arg will |
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205 | be applied to `coding-system-for-read'." |
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206 | (let ((coding-system-for-read coding-system) |
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207 | format-alist) |
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208 | (insert-file-contents filename visit beg end replace))) |
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209 | |
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210 | (defun write-region-as-coding-system |
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211 | (coding-system start end filename &optional append visit lockname) |
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212 | "Like `write-region', q.v., but CODING-SYSTEM the first arg will be |
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213 | applied to `coding-system-for-write'." |
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214 | (let ((coding-system-for-write coding-system) |
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215 | jka-compr-compression-info-list jam-zcat-filename-list) |
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216 | (write-region start end filename append visit lockname))) |
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217 | |
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218 | (defun find-file-noselect-as-coding-system |
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219 | (coding-system filename &optional nowarn rawfile) |
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220 | "Like `find-file-noselect', q.v., but CODING-SYSTEM the first arg will |
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221 | be applied to `coding-system-for-read'." |
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222 | (let ((coding-system-for-read coding-system) |
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223 | format-alist) |
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224 | (find-file-noselect filename nowarn rawfile))) |
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225 | |
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226 | (defun save-buffer-as-coding-system (coding-system &optional args) |
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227 | "Like `save-buffer', q.v., but CODING-SYSTEM the first arg will be |
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228 | applied to `coding-system-for-write'." |
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229 | (let ((coding-system-for-write coding-system)) |
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230 | (save-buffer args))) |
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231 | |
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232 | |
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233 | ;;; @ end |
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234 | ;;; |
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235 | |
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236 | (require 'product) |
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237 | (product-provide (provide 'pces-20) (require 'apel-ver)) |
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238 | |
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239 | ;;; pces-20.el ends here |
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