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Diffstat (limited to 'MSVC/iconv/gb12345.h')
-rw-r--r-- | MSVC/iconv/gb12345.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/MSVC/iconv/gb12345.h b/MSVC/iconv/gb12345.h new file mode 100644 index 0000000..1e17b2e --- /dev/null +++ b/MSVC/iconv/gb12345.h @@ -0,0 +1,67 @@ +/* + * Copyright (C) 1999-2001 Free Software Foundation, Inc. + * This file is part of the GNU LIBICONV Library. + * + * The GNU LIBICONV Library is free software; you can redistribute it + * and/or modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * The GNU LIBICONV Library is distributed in the hope that it will be + * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with the GNU LIBICONV Library; see the file COPYING.LIB. + * If not, write to the Free Software Foundation, Inc., 59 Temple Place - + * Suite 330, Boston, MA 02111-1307, USA. + */ + +/* + * GB/T 12345-1990 + */ + +/* + * GB/T 12345-1990 is a traditional chinese counterpart of GB 2312-1986. + * According to the unicode.org tables: + * 2146 characters have been changed to their traditional counterpart, + * 103 characters have been added, no characters have been removed. + * Therefore we use an auxiliary table, which contains only the changes. + */ + +#include "gb12345ext.h" + +static int +gb12345_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n) +{ + int ret; + + /* The gb12345ext table overrides some entries in the gb2312 table. */ + /* Try the GB12345 extensions -> Unicode table. */ + ret = gb12345ext_mbtowc(conv,pwc,s,n); + if (ret != RET_ILSEQ) + return ret; + /* Try the GB2312 -> Unicode table. */ + ret = gb2312_mbtowc(conv,pwc,s,n); + return ret; +} + +static int +gb12345_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n) +{ + int ret; + + /* The gb12345ext table overrides some entries in the gb2312 table. */ + /* Try the Unicode -> GB12345 extensions table. */ + ret = gb12345ext_wctomb(conv,r,wc,n); + if (ret != RET_ILUNI) + return ret; + /* Try the Unicode -> GB2312 table, and check that the resulting GB2312 + byte sequence is not overridden by the GB12345 extensions table. */ + ret = gb2312_wctomb(conv,r,wc,n); + if (ret == 2 && gb12345ext_mbtowc(conv,&wc,r,2) == 2) + return RET_ILUNI; + else + return ret; +} |