lisp/language/vietnamese.el

   1 ;;; vietnamese.el --- support for Vietnamese -*- coding: utf-8; -*-
   2
   3 ;; Copyright (C) 1998, 2001-2015 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 H14PRO021
   8 ;; Copyright (C) 2003
   9 ;;   National Institute of Advanced Industrial Science and Technology (AIST)
  10 ;;   Registration Number H13PRO009
  11
  12 ;; Keywords: multilingual, Vietnamese, 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 Vietnamese, the character sets VISCII, VSCII and TCVN-5712 are
  32 ;; supported.
  33
  34 ;;; Code:
  35
  36 (define-coding-system 'vietnamese-viscii
  37   "8-bit encoding for Vietnamese VISCII 1.1 (MIME:VISCII)."
  38   :coding-type 'charset
  39   :mnemonic ?V
  40   :charset-list '(viscii)
  41   :mime-charset 'viscii
  42   :suitable-for-file-name t)
  43
  44 (define-coding-system-alias 'viscii 'vietnamese-viscii)
  45
  46 (define-coding-system 'vietnamese-vscii
  47   "8-bit encoding for Vietnamese VSCII-1."
  48   :coding-type 'charset
  49   :mnemonic ?v
  50   :charset-list '(vscii)
  51   :suitable-for-file-name t)
  52
  53 (define-coding-system-alias 'vscii 'vietnamese-vscii)
  54
  55 ;; (make-coding-system
  56 ;;  'vietnamese-vps 4 ?p
  57 ;;  "8-bit encoding for Vietnamese VPS"
  58 ;;  '(ccl-decode-vps . ccl-encode-vps)
  59 ;;  '((safe-charsets ascii vietnamese-viscii-lower vietnamese-viscii-upper)
  60 ;;    (valid-codes (0 . 255))))
  61 ;;
  62 ;; (define-coding-system-alias 'vps 'vietnamese-vps)
  63
  64 (define-coding-system 'vietnamese-viqr
  65   "Vietnamese latin transcription (VIQR)."
  66   :coding-type 'utf-8
  67   :mnemonic ?q
  68   :charset-list '(ascii viscii)
  69   :post-read-conversion 'viqr-post-read-conversion
  70   :pre-write-conversion 'viqr-pre-write-conversion)
  71
  72 (define-coding-system-alias 'viqr 'vietnamese-viqr)
  73
  74 (set-language-info-alist
  75  "Vietnamese" `((charset viscii)
  76                 (coding-system vietnamese-viscii vietnamese-vscii
  77                                 vietnamese-tcvn vietnamese-viqr windows-1258)
  78                 (nonascii-translation . viscii)
  79                 (coding-priority vietnamese-viscii)
  80                 (input-method . "vietnamese-viqr")
  81                 (unibyte-display . vietnamese-viscii)
  82                 (features viet-util)
  83                 (sample-text . "Vietnamese (Tiếng Việt)     Chào bạn")
  84                 (documentation . "\
  85 For Vietnamese, Emacs uses special charsets internally.
  86 They can be decoded from and encoded to VISCII, VSCII, TCVN-5712, VIQR
  87 and windows-1258.  VSCII is deprecated in favor of TCVN-5712.  The
  88 Current setting gives higher priority to the coding system VISCII than
  89 TCVN-5712.  If you prefer TCVN-5712, please do: (prefer-coding-system
  90 'vietnamese-tcvn).  There are two Vietnamese input methods: VIQR and
  91 Telex, VIQR is the default setting.")))
  92
  93 (define-coding-system 'windows-1258
  94   "windows-1258 encoding for Vietnamese (MIME: WINDOWS-1258)"
  95   :coding-type 'charset
  96   :mnemonic ?*
  97   :charset-list '(windows-1258)
  98   :mime-charset 'windows-1258)
  99 (define-coding-system-alias 'cp1258 'windows-1258)
 100
 101 (define-coding-system 'vietnamese-tcvn
 102   "8-bit encoding for Vietnamese TCVN-5712"
 103   :coding-type 'charset
 104   :mnemonic ?t
 105   :charset-list '(tcvn-5712)
 106   :suitable-for-file-name t)
 107 (define-coding-system-alias 'tcvn 'vietnamese-tcvn)
 108 (define-coding-system-alias 'tcvn-5712 'vietnamese-tcvn)
 109
 110 (provide 'vietnamese)
 111
 112 ;;; vietnamese.el ends here