lib/uniwidth/cjk.h

   1 /* Test for CJK encoding.
   2    Copyright (C) 2001-2002, 2005-2007, 2009-2024 Free Software Foundation, Inc.
   3    Written by Bruno Haible <bruno@clisp.org>, 2002.
   4
   5    This file is free software: you can redistribute it and/or modify
   6    it under the terms of the GNU Lesser General Public License as
   7    published by the Free Software Foundation; either version 2.1 of the
   8    License, or (at your option) any later version.
   9
  10    This file is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public License
  16    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  17
  18 #include "streq.h"
  19
  20 static int
  21 is_cjk_encoding (const char *encoding)
  22 {
  23   if (0
  24       /* Legacy Japanese encodings */
  25       || STREQ_OPT (encoding, "EUC-JP", 'E', 'U', 'C', '-', 'J', 'P', 0, 0, 0)
  26       /* Legacy Chinese encodings */
  27       || STREQ_OPT (encoding, "GB2312", 'G', 'B', '2', '3', '1', '2', 0, 0, 0)
  28       || STREQ_OPT (encoding, "GBK", 'G', 'B', 'K', 0, 0, 0, 0, 0, 0)
  29       || STREQ_OPT (encoding, "EUC-TW", 'E', 'U', 'C', '-', 'T', 'W', 0, 0, 0)
  30       || STREQ_OPT (encoding, "BIG5", 'B', 'I', 'G', '5', 0, 0, 0, 0, 0)
  31       /* Legacy Korean encodings */
  32       || STREQ_OPT (encoding, "EUC-KR", 'E', 'U', 'C', '-', 'K', 'R', 0, 0, 0)
  33       || STREQ_OPT (encoding, "CP949", 'C', 'P', '9', '4', '9', 0, 0, 0, 0)
  34       || STREQ_OPT (encoding, "JOHAB", 'J', 'O', 'H', 'A', 'B', 0, 0, 0, 0))
  35     return 1;
  36   return 0;
  37 }