lisp/language/thai.el

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