| /* |
| * 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 |
| |