code.delx.au - gnu-emacs/blob - lisp/language/european.el

   1 ;;; european.el --- Support for European languages
   2
   3 ;; Copyright (C) 1995, 1997 Electrotechnical Laboratory, JAPAN.
   4 ;; Licensed to the Free Software Foundation.
   5
   6 ;; Keywords: multilingual, European
   7
   8 ;; This file is part of GNU Emacs.
   9
  10 ;; GNU Emacs is free software; you can redistribute it and/or modify
  11 ;; it under the terms of the GNU General Public License as published by
  12 ;; the Free Software Foundation; either version 2, or (at your option)
  13 ;; any later version.
  14
  15 ;; GNU Emacs is distributed in the hope that it will be useful,
  16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ;; GNU General Public License for more details.
  19
  20 ;; You should have received a copy of the GNU General Public License
  21 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  23 ;; Boston, MA 02111-1307, USA.
  24
  25 ;;; Commentary:
  26
  27 ;; For Europeans, five character sets ISO8859-1,2,3,4,9 are supported.
  28
  29 ;;; Code:
  30
  31 (define-prefix-command 'describe-european-environment-map)
  32 (define-key-after describe-language-environment-map [European]
  33   '("European" . describe-european-environment-map)
  34   t)
  35
  36 (define-prefix-command 'setup-european-environment-map)
  37 (define-key-after setup-language-environment-map [European]
  38   '("European" . setup-european-environment-map)
  39   t)
  40
  41 ;; Setup for LANGAUGE which uses one-byte 8-bit CHARSET, one-byte
  42 ;; 8-bit CODING-SYSTEM, and INPUT-METHOD.
  43 (defun setup-8-bit-environment (language charset coding-system input-method)
  44   (setup-english-environment)
  45   (set-default-coding-systems coding-system)
  46   (setq coding-category-iso-8-1 coding-system
  47         coding-category-iso-8-2 coding-system)
  48
  49   (if charset
  50       (let ((nonascii-offset (- (make-char charset) 128)))
  51         ;; Set up for insertion of characters in this character set
  52         ;; when codes 0200 - 0377 are typed in.
  53         (setq nonascii-insert-offset nonascii-offset)))
  54
  55   (if input-method
  56       (progn
  57         (setq default-input-method input-method)
  58         (setq-default default-input-method input-method)))
  59
  60   ;; If this is a Latin-N character set, set up syntax for it in
  61   ;; single-byte mode.
  62   (if (string-match "^Latin-\\([1-9]\\)$" language)
  63       (load (downcase language))))
  64 \f
  65 ;; Latin-1 (ISO-8859-1)
  66
  67 (make-coding-system
  68  'iso-latin-1 2 ?1
  69  "ISO 2022 based 8-bit encoding (MIME:ISO-8859-1, Compound Text Encoding)"
  70  '((ascii t) (latin-iso8859-1 t) nil nil
  71    nil ascii-eol ascii-cntl))
  72
  73 (define-coding-system-alias 'iso-8859-1 'iso-latin-1)
  74 (define-coding-system-alias 'latin-1 'iso-latin-1)
  75 (define-coding-system-alias 'ctext 'iso-latin-1)
  76
  77 (defun setup-latin1-environment ()
  78   "Set up multilingual environment (MULE) for European Latin-1 users."
  79   (interactive)
  80   (setup-8-bit-environment "Latin-1" 'latin-iso8859-1 'iso-latin-1
  81                            "latin-1-prefix")
  82   (aset special-microsoft-code-table ?\222 t))
  83
  84 (set-language-info-alist
  85  "Latin-1" '((setup-function . (setup-latin1-environment
  86                                 . setup-european-environment-map))
  87              (charset . (ascii latin-iso8859-1))
  88              (coding-system . (iso-latin-1))
  89              (sample-text
  90               . "Hello, Hej, Tere, Hei, Bonjour, Gr\e,A|_\e(B Gott, Ciao, \e,A!\e(BHola!")
  91              (documentation . ("\
  92 These languages are supported with the Latin-1 (ISO-8859-1) character set:
  93  Danish, Dutch, English, Faeroese, Finnish, French, German, Icelandic,
  94  Irish, Italian, Norwegian, Portuguese, Spanish, and Swedish.
  95 " . describe-european-environment-map))
  96              ))
  97 \f
  98 ;; Latin-2 (ISO-8859-2)
  99
 100 (make-coding-system
 101  'iso-latin-2 2 ?2
 102  "ISO 2022 based 8-bit encoding (MIME:ISO-8859-2)"
 103  '((ascii t) (latin-iso8859-2 t) nil nil
 104    nil ascii-eol ascii-cntl nil nil nil nil))
 105
 106 (define-coding-system-alias 'iso-8859-2 'iso-latin-2)
 107 (define-coding-system-alias 'latin-2 'iso-latin-2)
 108
 109 (defun setup-latin2-environment ()
 110   "Set up multilingual environment (MULE) for European Latin-2 users."
 111   (interactive)
 112   (setup-8-bit-environment "Latin-2" 'latin-iso8859-2 'iso-latin-2
 113                            "latin-2-prefix"))
 114
 115 (set-language-info-alist
 116  "Latin-2" '((setup-function . (setup-latin2-environment
 117                                 . setup-european-environment-map))
 118              (charset . (ascii latin-iso8859-2))
 119              (coding-system . (iso-latin-2))
 120              (documentation . ("\
 121 These languages are supported with the Latin-2 (ISO-8859-2) character set:
 122  Albanian, Czech, English, German, Hungarian, Polish, Romanian,
 123  Serbo-Croatian or Croatian, Slovak, Slovene, and Swedish.
 124 " . describe-european-environment-map))
 125              ))
 126 \f
 127 ;; Latin-3 (ISO-8859-3)
 128
 129 (make-coding-system
 130  'iso-latin-3 2 ?3
 131  "ISO 2022 based 8-bit encoding (MIME:ISO-8859-3)"
 132  '((ascii t) (latin-iso8859-3 t) nil nil
 133    nil ascii-eol ascii-cntl nil nil nil nil))
 134
 135 (define-coding-system-alias 'iso-8859-3 'iso-latin-3)
 136 (define-coding-system-alias 'latin-3 'iso-latin-3)
 137
 138 (defun setup-latin3-environment ()
 139   "Set up multilingual environment (MULE) for European Latin-3 users."
 140   (interactive)
 141   (setup-8-bit-environment "Latin-3" 'latin-iso8859-3 'iso-latin-3
 142                            "latin-3-prefix"))
 143
 144 (set-language-info-alist
 145  "Latin-3" '((setup-function . (setup-latin3-environment
 146                                 . setup-european-environment-map))
 147              (charset . (ascii latin-iso8859-3))
 148              (coding-system . (iso-latin-3))
 149              (documentation . ("\
 150 These languages are supported with the Latin-3 (ISO-8859-3) character set:
 151  Afrikaans, Catalan, Dutch, English, Esperanto, French, Galician,
 152  German, Italian, Maltese, Spanish, and Turkish.
 153 " . describe-european-environment-map))
 154              ))
 155 \f
 156 ;; Latin-4 (ISO-8859-4)
 157
 158 (make-coding-system
 159  'iso-latin-4 2 ?4
 160  "ISO 2022 based 8-bit encoding (MIME:ISO-8859-4)"
 161  '((ascii t) (latin-iso8859-4 t) nil nil
 162    nil ascii-eol ascii-cntl nil nil nil nil))
 163
 164 (define-coding-system-alias 'iso-8859-4 'iso-latin-4)
 165 (define-coding-system-alias 'latin-4 'iso-latin-4)
 166
 167 (defun setup-latin4-environment ()
 168   "Set up multilingual environment (MULE) for European Latin-4 users."
 169   (interactive)
 170   (setup-8-bit-environment "Latin-4" 'latin-iso8859-4 'iso-latin-4
 171                            "latin-4-prefix"))
 172
 173 (set-language-info-alist
 174  "Latin-4" '((setup-function . (setup-latin4-environment
 175                                 . setup-european-environment-map))
 176              (charset . (ascii latin-iso8859-4))
 177              (coding-system . (iso-8859-4))
 178              (documentation . ("\
 179 These languages are supported with the Latin-4 (ISO-8859-4) character set:
 180  Danish, English, Estonian, Finnish, German, Greenlandic, Lappish,
 181  Latvian, Lithuanian, and Norwegian.
 182 " . describe-european-environment-map))
 183              ))
 184 \f
 185 ;; Latin-5 (ISO-8859-9)
 186
 187 (make-coding-system
 188  'iso-latin-5 2 ?9
 189  "ISO 2022 based 8-bit encoding (MIME:ISO-8859-9)"
 190  '((ascii t) (latin-iso8859-9 t) nil nil
 191    nil ascii-eol ascii-cntl nil nil nil nil))
 192
 193 (define-coding-system-alias 'iso-8859-9 'iso-latin-5)
 194 (define-coding-system-alias 'latin-5 'iso-latin-5)
 195
 196 (defun setup-latin5-environment ()
 197   "Set up multilingual environment (MULE) for European Latin-5 users."
 198   (interactive)
 199   (setup-8-bit-environment "Latin-5" 'latin-iso8859-9 'iso-latin-5
 200                            "latin-5-prefix"))
 201
 202 (set-language-info-alist
 203  "Latin-5" '((setup-function . (setup-latin5-environment
 204                                 . setup-european-environment-map))
 205              (charset . (ascii latin-iso8859-9))
 206              (coding-system . (iso-latin-5))
 207              (documentation . ("\
 208 These languages are supported with the Latin-5 (ISO-8859-9) character set.
 209 " . describe-european-environment-map))
 210              ))
 211
 212 ;;; european.el ends here