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       (setq default-input-method input-method))
  57
  58   ;; If this is a Latin-N character set, set up syntax for it in
  59   ;; single-byte mode.  We can't use require because the file
  60   ;; must be eval'd each time.
  61   (if (string-match "^Latin-\\([1-9]\\)$" language)
  62       (load (downcase language))))
  63 \f
  64 ;; Latin-1 (ISO-8859-1)
  65
  66 (make-coding-system
  67  'iso-latin-1 2 ?1
  68  "ISO 2022 based 8-bit encoding (MIME:ISO-8859-1, Compound Text Encoding)"
  69  '((ascii t) (latin-iso8859-1 t) nil nil
  70    nil ascii-eol ascii-cntl nil nil nil nil nil nil nil nil nil t))
  71
  72 (define-coding-system-alias 'iso-8859-1 'iso-latin-1)
  73 (define-coding-system-alias 'latin-1 'iso-latin-1)
  74 (define-coding-system-alias 'ctext 'iso-latin-1)
  75
  76 (defun setup-latin1-environment ()
  77   "Set up multilingual environment (MULE) for European Latin-1 users."
  78   (interactive)
  79   (setup-8-bit-environment "Latin-1" 'latin-iso8859-1 'iso-latin-1
  80                            "latin-1-prefix"))
  81
  82 (set-language-info-alist
  83  "Latin-1" '((setup-function . (setup-latin1-environment
  84                                 . setup-european-environment-map))
  85              (charset . (ascii latin-iso8859-1))
  86              (coding-system . (iso-latin-1))
  87              (sample-text
  88               . "Hello, Hej, Tere, Hei, Bonjour, Gr\e,A|_\e(B Gott, Ciao, \e,A!\e(BHola!")
  89              (documentation . ("\
  90 These languages are supported with the Latin-1 (ISO-8859-1) character set:
  91  Danish, Dutch, English, Faeroese, Finnish, French, German, Icelandic,
  92  Irish, Italian, Norwegian, Portuguese, Spanish, and Swedish.
  93 " . describe-european-environment-map))
  94              ))
  95 \f
  96 ;; Latin-2 (ISO-8859-2)
  97
  98 (make-coding-system
  99  'iso-latin-2 2 ?2
 100  "ISO 2022 based 8-bit encoding (MIME:ISO-8859-2)"
 101  '((ascii t) (latin-iso8859-2 t) nil nil
 102    nil ascii-eol ascii-cntl nil nil nil nil))
 103
 104 (define-coding-system-alias 'iso-8859-2 'iso-latin-2)
 105 (define-coding-system-alias 'latin-2 'iso-latin-2)
 106
 107 (defun setup-latin2-environment ()
 108   "Set up multilingual environment (MULE) for European Latin-2 users."
 109   (interactive)
 110   (setup-8-bit-environment "Latin-2" 'latin-iso8859-2 'iso-latin-2
 111                            "latin-2-prefix"))
 112
 113 (set-language-info-alist
 114  "Latin-2" '((setup-function . (setup-latin2-environment
 115                                 . setup-european-environment-map))
 116              (charset . (ascii latin-iso8859-2))
 117              (coding-system . (iso-latin-2))
 118              (documentation . ("\
 119 These languages are supported with the Latin-2 (ISO-8859-2) character set:
 120  Albanian, Czech, English, German, Hungarian, Polish, Romanian,
 121  Serbo-Croatian or Croatian, Slovak, Slovene, and Swedish.
 122 " . describe-european-environment-map))
 123              ))
 124 \f
 125 ;; Latin-3 (ISO-8859-3)
 126
 127 (make-coding-system
 128  'iso-latin-3 2 ?3
 129  "ISO 2022 based 8-bit encoding (MIME:ISO-8859-3)"
 130  '((ascii t) (latin-iso8859-3 t) nil nil
 131    nil ascii-eol ascii-cntl nil nil nil nil))
 132
 133 (define-coding-system-alias 'iso-8859-3 'iso-latin-3)
 134 (define-coding-system-alias 'latin-3 'iso-latin-3)
 135
 136 (defun setup-latin3-environment ()
 137   "Set up multilingual environment (MULE) for European Latin-3 users."
 138   (interactive)
 139   (setup-8-bit-environment "Latin-3" 'latin-iso8859-3 'iso-latin-3
 140                            "latin-3-prefix"))
 141
 142 (set-language-info-alist
 143  "Latin-3" '((setup-function . (setup-latin3-environment
 144                                 . setup-european-environment-map))
 145              (charset . (ascii latin-iso8859-3))
 146              (coding-system . (iso-latin-3))
 147              (documentation . ("\
 148 These languages are supported with the Latin-3 (ISO-8859-3) character set:
 149  Afrikaans, Catalan, Dutch, English, Esperanto, French, Galician,
 150  German, Italian, Maltese, Spanish, and Turkish.
 151 " . describe-european-environment-map))
 152              ))
 153 \f
 154 ;; Latin-4 (ISO-8859-4)
 155
 156 (make-coding-system
 157  'iso-latin-4 2 ?4
 158  "ISO 2022 based 8-bit encoding (MIME:ISO-8859-4)"
 159  '((ascii t) (latin-iso8859-4 t) nil nil
 160    nil ascii-eol ascii-cntl nil nil nil nil))
 161
 162 (define-coding-system-alias 'iso-8859-4 'iso-latin-4)
 163 (define-coding-system-alias 'latin-4 'iso-latin-4)
 164
 165 (defun setup-latin4-environment ()
 166   "Set up multilingual environment (MULE) for European Latin-4 users."
 167   (interactive)
 168   (setup-8-bit-environment "Latin-4" 'latin-iso8859-4 'iso-latin-4
 169                            "latin-4-prefix"))
 170
 171 (set-language-info-alist
 172  "Latin-4" '((setup-function . (setup-latin4-environment
 173                                 . setup-european-environment-map))
 174              (charset . (ascii latin-iso8859-4))
 175              (coding-system . (iso-8859-4))
 176              (documentation . ("\
 177 These languages are supported with the Latin-4 (ISO-8859-4) character set:
 178  Danish, English, Estonian, Finnish, German, Greenlandic, Lappish,
 179  Latvian, Lithuanian, and Norwegian.
 180 " . describe-european-environment-map))
 181              ))
 182 \f
 183 ;; Latin-5 (ISO-8859-9)
 184
 185 (make-coding-system
 186  'iso-latin-5 2 ?9
 187  "ISO 2022 based 8-bit encoding (MIME:ISO-8859-9)"
 188  '((ascii t) (latin-iso8859-9 t) nil nil
 189    nil ascii-eol ascii-cntl nil nil nil nil))
 190
 191 (define-coding-system-alias 'iso-8859-9 'iso-latin-5)
 192 (define-coding-system-alias 'latin-5 'iso-latin-5)
 193
 194 (defun setup-latin5-environment ()
 195   "Set up multilingual environment (MULE) for European Latin-5 users."
 196   (interactive)
 197   (setup-8-bit-environment "Latin-5" 'latin-iso8859-9 'iso-latin-5
 198                            "latin-5-prefix"))
 199
 200 (set-language-info-alist
 201  "Latin-5" '((setup-function . (setup-latin5-environment
 202                                 . setup-european-environment-map))
 203              (charset . (ascii latin-iso8859-9))
 204              (coding-system . (iso-latin-5))
 205              (documentation . ("\
 206 These languages are supported with the Latin-5 (ISO-8859-9) character set.
 207 " . describe-european-environment-map))
 208              ))
 209
 210 ;;; european.el ends here