lisp/language/thai.el

   1 ;;; thai.el --- support for Thai -*- coding: iso-2022-7bit; no-byte-compile: t -*-
   2
   3 ;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   4 ;;   2005, 2006, 2007, 2008, 2009, 2010, 2011
   5 ;;   National Institute of Advanced Industrial Science and Technology (AIST)
   6 ;;   Registration Number H13PRO009
   7 ;; Copyright (C) 2005
   8 ;;   National Institute of Advanced Industrial Science and Technology (AIST)
   9 ;;   Registration Number H14PRO021
  10 ;; Copyright (C) 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005,
  11 ;;   2006, 2007, 2008, 2009, 2010, 2011  Free Software Foundation, Inc.
  12
  13 ;; Keywords: multilingual, Thai, i18n
  14
  15 ;; This file is part of GNU Emacs.
  16
  17 ;; GNU Emacs is free software: you can redistribute it and/or modify
  18 ;; it under the terms of the GNU General Public License as published by
  19 ;; the Free Software Foundation, either version 3 of the License, or
  20 ;; (at your option) any later version.
  21
  22 ;; GNU Emacs is distributed in the hope that it will be useful,
  23 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  24 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  25 ;; GNU General Public License for more details.
  26
  27 ;; You should have received a copy of the GNU General Public License
  28 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  29
  30 ;;; Commentary:
  31
  32 ;; For Thai, the character set TIS620 is supported.
  33
  34 ;;; Code:
  35
  36 (define-coding-system 'thai-tis620
  37   "8-bit encoding for ASCII (MSB=0) and Thai TIS620 (MSB=1)."
  38   :coding-type 'charset
  39   :mnemonic ?T
  40   :charset-list '(tis620-2533))
  41
  42 (define-coding-system-alias 'th-tis620 'thai-tis620)
  43 (define-coding-system-alias 'tis620 'thai-tis620)
  44 (define-coding-system-alias 'tis-620 'thai-tis620)
  45
  46 (set-language-info-alist
  47  "Thai" '((tutorial . "TUTORIAL.th")
  48           (charset thai-tis620)
  49           (coding-system thai-tis620 iso-8859-11 cp874)
  50           (coding-priority thai-tis620)
  51           (nonascii-translation . tis620-2533)
  52           (input-method . "thai-kesmanee")
  53           (unibyte-display . thai-tis620)
  54           (features thai-util)
  55           (setup-function . setup-thai-language-environment-internal)
  56           (exit-function . exit-thai-language-environment-internal)
  57           (sample-text
  58            . (thai-compose-string
  59               (copy-sequence "Thai (\e,T@RIRd7B\e(B)              \e,TJGQJ4U$CQ:\e(B, \e,TJGQJ4U$hP\e(B")))
  60           (documentation . t)))
  61
  62 (define-coding-system 'cp874
  63   "DOS codepage 874 (Thai)"
  64   :coding-type 'charset
  65   :mnemonic ?D
  66   :charset-list '(cp874)
  67   :mime-charset 'cp874)
  68 (define-coding-system-alias 'ibm874 'cp874)
  69
  70 (define-coding-system 'iso-8859-11
  71   "ISO/IEC 8859/11 (Latin/Thai)
  72 This is the same as `thai-tis620' with the addition of no-break-space."
  73   :coding-type 'charset
  74   :mnemonic ?*
  75   :mime-charset 'iso-8859-11 ; not actually registered as of 2002-05-24
  76   :charset-list '(iso-8859-11))
  77
  78 ;; For automatic composition.
  79 (let ((chars "\e,TQTUVWXYZghijklmn\e(B")
  80       (elt '(["[\e,T!\e(B-\e,TO\e(B].[\e,Thijkl\e(B]?\e,TS\e(B?" 1 thai-composition-function]
  81              [nil 0 thai-composition-function])))
  82   (dotimes (i (length chars))
  83     (aset composition-function-table (aref chars i) elt)))
  84 (aset composition-function-table ?\e,TS\e(B '(["[\e,T!\e(B-\e,TO\e(B]." 1 thai-composition-function]))
  85
  86 (provide 'thai)
  87
  88 ;;; thai.el ends here