freeswitch/libs/sofia-sip/libsofia-sip-ua/ipt/utf8internal.h
2006-12-21 06:30:28 +00:00

86 lines
2.2 KiB
C

/*
* This file is part of the Sofia-SIP package
*
* Copyright (C) 2005 Nokia Corporation.
*
* Contact: Pekka Pessi <pekka.pessi@nokia.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
#ifndef UTF8INTERNAL_H
#define UTF8INTERNAL_H
/**@IFILE utf8internal.h
* UTF-8 macros.
*
* @author Pekka Pessi <Pekka.Pessi@nokia.com>
*
* @date Created: Tue Apr 21 15:32:02 1998 pessi
*/
#define UTF8_ANALYZE(s, ascii, latin1, ucs2, ucs4, errors) \
do { \
if (s) while (*s) { \
utf8 c = *s++; \
if (IS_UTF8_1(c)) \
ascii++; \
else if (IS_UTF8_I(c)) { \
if (IS_UTF8_X(s[0])) \
latin1++, s++; \
else \
errors++; \
} \
else if (IS_UTF8_2(c)) { \
if (IS_UTF8_X(s[0])) \
ucs2++, s++; \
else \
errors++; \
} \
else if (IS_UTF8_3(c)) { \
if (IS_UTF8_X(s[0]) && IS_UTF8_X(s[1])) \
ucs2++, s++, s++; \
else \
errors++; \
} \
else if (IS_UTF8_4(c)) { \
if (IS_UTF8_X(s[0]) && IS_UTF8_X(s[1]) && IS_UTF8_X(s[2])) \
ucs4++, s++, s++, s++; \
else \
errors++; \
} \
else if (IS_UTF8_5(c)) { \
if (IS_UTF8_X(s[0]) && IS_UTF8_X(s[1]) && \
IS_UTF8_X(s[2]) && IS_UTF8_X(s[3])) \
ucs4++, s++, s++, s++, s++; \
else \
errors++; \
} \
else if (IS_UTF8_6(c)) { \
if (IS_UTF8_X(s[0]) && IS_UTF8_X(s[1]) && \
IS_UTF8_X(s[2]) && IS_UTF8_X(s[3]) && IS_UTF8_X(s[4])) \
ucs4++, s++, s++, s++, s++, s++; \
else \
errors++; \
} \
else \
errors++; \
} \
} while(0)
#endif /* UTF8INTERNAL_H */