/* | |
* Copyright (C) 2006 George Staikos <staikos@kde.org> | |
* Copyright (C) 2006 Alexey Proskuryakov <ap@nypop.com> | |
* Copyright (C) 2007 Apple Computer, Inc. All rights reserved. | |
* Copyright (C) 2008 Jürg Billeter <j@bitron.ch> | |
* Copyright (C) 2008 Dominik Röttsches <dominik.roettsches@access-company.com> | |
* | |
* This 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. | |
* | |
* 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 | |
* Library General Public License for more details. | |
* | |
* You should have received a copy of the GNU Library General Public License | |
* along with this library; see the file COPYING.LIB. If not, write to | |
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
* Boston, MA 02110-1301, USA. | |
* | |
*/ | |
#ifndef UnicodeMacrosFromICU_h | |
#define UnicodeMacrosFromICU_h | |
// some defines from ICU | |
#define U16_IS_LEAD(c) (((c)&0xfffffc00)==0xd800) | |
#define U16_IS_TRAIL(c) (((c)&0xfffffc00)==0xdc00) | |
#define U16_SURROGATE_OFFSET ((0xd800<<10UL)+0xdc00-0x10000) | |
#define U16_GET_SUPPLEMENTARY(lead, trail) \ | |
(((UChar32)(lead)<<10UL)+(UChar32)(trail)-U16_SURROGATE_OFFSET) | |
#define U16_LEAD(supplementary) (UChar)(((supplementary)>>10)+0xd7c0) | |
#define U16_TRAIL(supplementary) (UChar)(((supplementary)&0x3ff)|0xdc00) | |
#define U_IS_SURROGATE(c) (((c)&0xfffff800)==0xd800) | |
#define U16_IS_SINGLE(c) !U_IS_SURROGATE(c) | |
#define U16_IS_SURROGATE(c) U_IS_SURROGATE(c) | |
#define U16_IS_SURROGATE_LEAD(c) (((c)&0x400)==0) | |
#define U16_PREV(s, start, i, c) { \ | |
(c)=(s)[--(i)]; \ | |
if(U16_IS_TRAIL(c)) { \ | |
uint16_t __c2; \ | |
if((i)>(start) && U16_IS_LEAD(__c2=(s)[(i)-1])) { \ | |
--(i); \ | |
(c)=U16_GET_SUPPLEMENTARY(__c2, (c)); \ | |
} \ | |
} \ | |
} | |
#define U16_NEXT(s, i, length, c) { \ | |
(c)=(s)[(i)++]; \ | |
if(U16_IS_LEAD(c)) { \ | |
uint16_t __c2; \ | |
if((i)<(length) && U16_IS_TRAIL(__c2=(s)[(i)])) { \ | |
++(i); \ | |
(c)=U16_GET_SUPPLEMENTARY((c), __c2); \ | |
} \ | |
} \ | |
} | |
#define U_MASK(x) ((uint32_t)1<<(x)) | |
#endif | |