1 | ;;; pces-nemacs.el --- pces implementation for Nemacs |
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2 | |
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3 | ;; Copyright (C) 1995,1996,1997,1998,1999 Free Software Foundation, Inc. |
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4 | |
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5 | ;; Author: MORIOKA Tomohiko <tomo@m17n.org> |
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6 | ;; Keywords: emulation, compatibility, Mule |
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7 | |
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8 | ;; This file is part of APEL (A Portable Emacs Library). |
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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 | ;;; @ coding system |
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28 | ;;; |
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29 | |
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30 | (defvar coding-system-kanji-code-alist |
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31 | '((binary . 0) |
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32 | (raw-text . 0) |
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33 | (shift_jis . 1) |
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34 | (iso-2022-jp . 2) |
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35 | (ctext . 2) |
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36 | (euc-jp . 3) |
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37 | )) |
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38 | |
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39 | (defun decode-coding-string (string coding-system) |
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40 | "Decode the STRING which is encoded in CODING-SYSTEM. |
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41 | \[emu-nemacs.el; EMACS 20 emulating function]" |
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42 | (let ((code (if (integerp coding-system) |
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43 | coding-system |
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44 | (cdr (assq coding-system coding-system-kanji-code-alist))))) |
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45 | (if (eq code 3) |
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46 | string |
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47 | (convert-string-kanji-code string code 3) |
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48 | ))) |
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49 | |
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50 | (defun encode-coding-string (string coding-system) |
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51 | "Encode the STRING to CODING-SYSTEM. |
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52 | \[emu-nemacs.el; EMACS 20 emulating function]" |
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53 | (let ((code (if (integerp coding-system) |
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54 | coding-system |
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55 | (cdr (assq coding-system coding-system-kanji-code-alist))))) |
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56 | (if (eq code 3) |
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57 | string |
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58 | (convert-string-kanji-code string 3 code) |
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59 | ))) |
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60 | |
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61 | (defun decode-coding-region (start end coding-system) |
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62 | "Decode the text between START and END which is encoded in CODING-SYSTEM. |
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63 | \[emu-nemacs.el; EMACS 20 emulating function]" |
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64 | (let ((code (if (integerp coding-system) |
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65 | coding-system |
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66 | (cdr (assq coding-system coding-system-kanji-code-alist))))) |
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67 | (save-excursion |
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68 | (save-restriction |
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69 | (narrow-to-region start end) |
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70 | (convert-region-kanji-code start end code 3) |
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71 | )))) |
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72 | |
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73 | (defun encode-coding-region (start end coding-system) |
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74 | "Encode the text between START and END to CODING-SYSTEM. |
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75 | \[emu-nemacs.el; EMACS 20 emulating function]" |
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76 | (let ((code (if (integerp coding-system) |
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77 | coding-system |
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78 | (cdr (assq coding-system coding-system-kanji-code-alist))))) |
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79 | (save-excursion |
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80 | (save-restriction |
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81 | (narrow-to-region start end) |
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82 | (convert-region-kanji-code start end 3 code) |
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83 | )))) |
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84 | |
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85 | (defun detect-coding-region (start end) |
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86 | "Detect coding-system of the text in the region between START and END. |
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87 | \[emu-nemacs.el; Emacs 20 emulating function]" |
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88 | (if (save-excursion |
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89 | (save-restriction |
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90 | (narrow-to-region start end) |
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91 | (goto-char start) |
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92 | (re-search-forward "[\200-\377]" nil t))) |
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93 | 'euc-jp |
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94 | )) |
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95 | |
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96 | (defalias 'set-buffer-file-coding-system 'set-kanji-fileio-code) |
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97 | |
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98 | |
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99 | ;;; @ without code-conversion |
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100 | ;;; |
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101 | |
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102 | (defmacro as-binary-process (&rest body) |
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103 | (` (let (selective-display ; Disable ^M to nl translation. |
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104 | ;; NEmacs |
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105 | kanji-flag |
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106 | (default-kanji-process-code 0) |
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107 | program-kanji-code-alist) |
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108 | (,@ body)))) |
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109 | |
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110 | (defmacro as-binary-input-file (&rest body) |
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111 | (` (let (kanji-flag default-kanji-flag) |
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112 | (,@ body)))) |
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113 | |
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114 | (defmacro as-binary-output-file (&rest body) |
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115 | (` (let (kanji-flag) |
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116 | (,@ body)))) |
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117 | |
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118 | (defun write-region-as-binary (start end filename |
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119 | &optional append visit lockname) |
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120 | "Like `write-region', q.v., but don't code conversion. [emu-nemacs.el]" |
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121 | (as-binary-output-file |
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122 | (write-region start end filename append visit))) |
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123 | |
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124 | (defun insert-file-contents-as-binary (filename |
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125 | &optional visit beg end replace) |
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126 | "Like `insert-file-contents', q.v., but don't character code conversion. |
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127 | \[emu-nemacs.el]" |
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128 | (as-binary-input-file |
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129 | ;; Returns list absolute file name and length of data inserted. |
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130 | (insert-file-contents filename visit))) |
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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 character code conversion. |
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135 | It converts line-break code from CRLF to LF. [emu-nemacs.el]" |
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136 | (save-restriction |
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137 | (narrow-to-region (point) (point)) |
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138 | (let ((return (as-binary-input-file |
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139 | (insert-file-contents filename visit)))) |
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140 | (while (search-forward "\r\n" nil t) |
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141 | (replace-match "\n")) |
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142 | (goto-char (point-min)) |
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143 | ;; Returns list absolute file name and length of data inserted. |
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144 | (list (car return) (- (point-max) (point-min)))))) |
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145 | |
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146 | (defalias 'insert-file-contents-as-raw-text-CRLF |
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147 | 'insert-file-contents-as-raw-text) |
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148 | |
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149 | (defun write-region-as-raw-text-CRLF (start end filename |
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150 | &optional append visit lockname) |
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151 | "Like `write-region', q.v., but don't code conversion. [emu-nemacs.el]" |
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152 | (let ((the-buf (current-buffer))) |
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153 | (with-temp-buffer |
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154 | (insert-buffer-substring the-buf start end) |
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155 | (goto-char (point-min)) |
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156 | (while (re-search-forward "\\(\\=\\|[^\r]\\)\n" nil t) |
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157 | (replace-match "\\1\r\n")) |
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158 | (write-region-as-binary (point-min)(point-max) |
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159 | filename append visit)))) |
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160 | |
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161 | (defun find-file-noselect-as-binary (filename &optional nowarn rawfile) |
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162 | "Like `find-file-noselect', q.v., but don't code conversion. |
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163 | \[emu-nemacs.el]" |
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164 | (as-binary-input-file (find-file-noselect filename nowarn))) |
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165 | |
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166 | (defun find-file-noselect-as-raw-text (filename &optional nowarn rawfile) |
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167 | "Like `find-file-noselect', q.v., but it does not code conversion |
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168 | except for line-break code. [emu-nemacs.el]" |
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169 | (let ((buf (get-file-buffer filename)) |
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170 | cur) |
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171 | (if buf |
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172 | (prog1 |
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173 | buf |
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174 | (or nowarn |
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175 | (verify-visited-file-modtime buf) |
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176 | (cond ((not (file-exists-p filename)) |
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177 | (error "File %s no longer exists!" filename)) |
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178 | ((yes-or-no-p |
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179 | (if (buffer-modified-p buf) |
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180 | "File has changed since last visited or saved. Flush your changes? " |
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181 | "File has changed since last visited or saved. Read from disk? ")) |
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182 | (setq cur (current-buffer)) |
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183 | (set-buffer buf) |
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184 | (revert-buffer t t) |
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185 | (save-excursion |
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186 | (goto-char (point-min)) |
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187 | (while (search-forward "\r\n" nil t) |
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188 | (replace-match "\n"))) |
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189 | (set-buffer-modified-p nil) |
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190 | (set-buffer cur))))) |
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191 | (save-excursion |
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192 | (prog1 |
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193 | (set-buffer |
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194 | (find-file-noselect-as-binary filename nowarn rawfile)) |
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195 | (while (search-forward "\r\n" nil t) |
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196 | (replace-match "\n")) |
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197 | (goto-char (point-min)) |
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198 | (set-buffer-modified-p nil)))))) |
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199 | |
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200 | (defalias 'find-file-noselect-as-raw-text-CRLF |
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201 | 'find-file-noselect-as-raw-text) |
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202 | |
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203 | (defun open-network-stream-as-binary (name buffer host service) |
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204 | "Like `open-network-stream', q.v., but don't code conversion. |
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205 | \[emu-nemacs.el]" |
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206 | (let ((process (open-network-stream name buffer host service))) |
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207 | (set-process-kanji-code process 0) |
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208 | process)) |
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209 | |
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210 | (defun save-buffer-as-binary (&optional args) |
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211 | "Like `save-buffer', q.v., but don't encode. [emu-nemacs.el]" |
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212 | (as-binary-output-file |
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213 | (save-buffer args))) |
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214 | |
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215 | (defun save-buffer-as-raw-text-CRLF (&optional args) |
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216 | "Like `save-buffer', q.v., but save as network representation. |
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217 | \[emu-nemacs.el]" |
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218 | (if (buffer-modified-p) |
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219 | (save-restriction |
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220 | (widen) |
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221 | (let ((the-buf (current-buffer)) |
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222 | (filename (buffer-file-name))) |
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223 | (if filename |
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224 | (prog1 |
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225 | (with-temp-buffer |
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226 | (insert-buffer the-buf) |
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227 | (goto-char (point-min)) |
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228 | (while (re-search-forward "\\(\\=\\|[^\r]\\)\n" nil t) |
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229 | (replace-match "\\1\r\n")) |
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230 | (setq buffer-file-name filename) |
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231 | (save-buffer-as-binary args)) |
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232 | (set-buffer-modified-p nil) |
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233 | (clear-visited-file-modtime))))))) |
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234 | |
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235 | |
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236 | ;;; @ with code-conversion |
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237 | ;;; |
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238 | |
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239 | (defun insert-file-contents-as-coding-system |
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240 | (coding-system filename &optional visit beg end replace) |
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241 | "Like `insert-file-contents', q.v., but CODING-SYSTEM the first arg will |
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242 | be applied to `kanji-fileio-code'. [emu-nemacs.el]" |
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243 | (let ((kanji-fileio-code coding-system) |
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244 | kanji-expected-code) |
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245 | (insert-file-contents filename visit))) |
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246 | |
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247 | (defun write-region-as-coding-system |
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248 | (coding-system start end filename &optional append visit lockname) |
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249 | "Like `write-region', q.v., but CODING-SYSTEM the first arg will be |
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250 | applied to `kanji-fileio-code'. [emu-nemacs.el]" |
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251 | (let ((kanji-fileio-code coding-system) |
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252 | jka-compr-compression-info-list jam-zcat-filename-list) |
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253 | (write-region start end filename append visit))) |
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254 | |
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255 | (defun find-file-noselect-as-coding-system |
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256 | (coding-system filename &optional nowarn rawfile) |
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257 | "Like `find-file-noselect', q.v., but CODING-SYSTEM the first arg will |
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258 | be applied to `kanji-fileio-code'. [emu-nemacs.el]" |
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259 | (let ((default-kanji-fileio-code coding-system) |
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260 | kanji-fileio-code kanji-expected-code) |
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261 | (find-file-noselect filename nowarn))) |
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262 | |
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263 | (defun save-buffer-as-coding-system (coding-system &optional args) |
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264 | "Like `save-buffer', q.v., but CODING-SYSTEM the first arg will be |
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265 | applied to `kanji-fileio-code'. [emu-nemacs.el]" |
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266 | (let ((kanji-fileio-code coding-system)) |
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267 | (save-buffer args))) |
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268 | |
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269 | |
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270 | ;;; @ end |
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271 | ;;; |
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272 | |
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273 | (require 'product) |
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274 | (product-provide (provide 'pces-nemacs) (require 'apel-ver)) |
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275 | |
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276 | ;;; pces-nemacs.el ends here |
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