lisp/language/indian.el

   1 ;;; indian.el --- Indian languages support -*- coding: utf-8; -*-
   2
   3 ;; Copyright (C) 1997, 1999, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
   4 ;;   Free Software Foundation, Inc.
   5 ;; Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008
   6 ;;   National Institute of Advanced Industrial Science and Technology (AIST)
   7 ;;   Registration Number H14PRO021
   8
   9 ;; Maintainer:  Kenichi Handa <handa@m17n.org>
  10 ;;              KAWABATA, Taichi <kawabata@m17n.org>
  11 ;; Keywords:    multilingual, i18n, Indian
  12
  13 ;; This file is part of GNU Emacs.
  14
  15 ;; GNU Emacs is free software; you can redistribute it and/or modify
  16 ;; it under the terms of the GNU General Public License as published by
  17 ;; the Free Software Foundation; either version 3, or (at your option)
  18 ;; any later version.
  19
  20 ;; GNU Emacs is distributed in the hope that it will be useful,
  21 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  22 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23 ;; GNU General Public License for more details.
  24
  25 ;; You should have received a copy of the GNU General Public License
  26 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  27 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  28 ;; Boston, MA 02110-1301, USA.
  29
  30 ;;; Commentary:
  31
  32 ;; This file contains definitions of Indian language environments, and
  33 ;; setups for displaying the scrtipts used there.
  34
  35 ;;; Code:
  36
  37 (define-coding-system 'in-is13194-devanagari
  38   "8-bit encoding for ASCII (MSB=0) and IS13194-Devanagari (MSB=1)."
  39   :coding-type 'iso-2022
  40   :mnemonic ?D
  41   :designation [ascii indian-is13194 nil nil]
  42   :charset-list '(ascii indian-is13194)
  43   :post-read-conversion 'in-is13194-post-read-conversion
  44   :pre-write-conversion 'in-is13194-pre-write-conversion)
  45
  46 (define-coding-system-alias 'devanagari 'in-is13194-devanagari)
  47
  48 (set-language-info-alist
  49  "Devanagari" '((charset unicode)
  50                 (coding-system utf-8)
  51                 (coding-priority utf-8)
  52                 (input-method . "dev-aiba")
  53                 (documentation . "\
  54 Such languages using Devanagari script as Hindi and Marathi
  55 are supported in this language environment."))
  56  '("Indian"))
  57
  58 (set-language-info-alist
  59  "Bengali" '((charset unicode)
  60              (coding-system utf-8)
  61              (coding-priority utf-8)
  62              (input-method . "bengali-itrans")
  63              (documentation . "\
  64 Such languages using Bengali script as Bengali and Assamese
  65 are supported in this language environment."))
  66  '("Indian"))
  67
  68 (set-language-info-alist
  69  "Punjabi" '((charset unicode)
  70               (coding-system utf-8)
  71               (coding-priority utf-8)
  72               (input-method . "punjabi-itrans")
  73               (documentation . "\
  74 North Indian language Punjabi is supported in this language environment."))
  75  '("Indian"))
  76
  77 (set-language-info-alist
  78  "Gujarati" '((charset unicode)
  79               (coding-system utf-8)
  80               (coding-priority utf-8)
  81               (input-method . "gujarati-itrans")
  82               (documentation . "\
  83 North Indian language Gujarati is supported in this language environment."))
  84  '("Indian"))
  85
  86 (set-language-info-alist
  87  "Oriya" '((charset unicode)
  88               (coding-system utf-8)
  89               (coding-priority utf-8)
  90               (input-method . "oriya-itrans")
  91               (documentation . "\
  92 Such languages using Oriya script as Oriya, Khonti, and Santali
  93 are supported in this language environment."))
  94  '("Indian"))
  95
  96 (set-language-info-alist
  97  "Tamil" '((charset unicode)
  98            (coding-system utf-8)
  99            (coding-priority utf-8)
 100            (input-method . "tamil-itrans")
 101            (documentation . "\
 102 South Indian Language Tamil is supported in this language environment."))
 103  '("Indian"))
 104
 105 (set-language-info-alist
 106  "Telugu" '((charset unicode)
 107             (coding-system utf-8)
 108             (coding-priority utf-8)
 109             (input-method . "telugu-itrans")
 110             (documentation . "\
 111 South Indian Language Telugu is supported in this language environment."))
 112  '("Indian"))
 113
 114 (set-language-info-alist
 115  "Kannada" '((charset unicode)
 116              (coding-system mule-utf-8)
 117              (coding-priority mule-utf-8)
 118              (input-method . "kannada-itrans")
 119              (sample-text . "Kannada (ಕನ್ನಡ)  ನಮಸ್ಕಾರ")
 120              (documentation . "\
 121 Kannada language and script is supported in this language
 122 environment."))
 123  '("Indian"))
 124
 125 (set-language-info-alist
 126  "Malayalam" '((charset unicode)
 127                (coding-system utf-8)
 128                (coding-priority utf-8)
 129                (input-method . "malayalam-itrans")
 130                (documentation . "\
 131 South Indian language Malayalam is supported in this language environment."))
 132  '("Indian"))
 133
 134 (let ((script-regexp-alist
 135        '((devanagari . "[\x900-\x9FF\x200C\x200D]+")
 136          (bengali . "[\x980-\x9FF\x200C\x200D]+")
 137          (gurmukhi . "[\xA00-\xA7F\x200C\x200D]+")
 138          (gujarati . "[\xA80-\xAFF\x200C\x200D]+")
 139          (oriya . "[\xB00-\xB7F\x200C\x200D]+")
 140          (tamil . "[\xB80-\xBFF\x200C\x200D]+")
 141          (telugu . "[\xC00-\xC7F\x200C\x200D]+")
 142          (kannada . "[\xC80-\xCFF\x200C\x200D]+")
 143          (malayalam . "[\xD00-\xD7F\x200C\x200D]+"))))
 144   (map-char-table #'(lambda (key val)
 145                       (let ((slot (assq val script-regexp-alist)))
 146                         (if slot
 147                             (set-char-table-range
 148                              composition-function-table key
 149                              (list (cons (cdr slot) 'font-shape-text))))))
 150                   char-script-table))
 151
 152 (provide 'indian)
 153
 154 ;; arch-tag: 83aa8fc7-7ee2-4364-a6e5-498f5e3b8c2f
 155 ;;; indian.el ends here