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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef INCLUDED_SAL_TEXTENC_UNICHARS_HXX
#define INCLUDED_SAL_TEXTENC_UNICHARS_HXX
#include "sal/config.h"
#include <cassert>
#include "sal/types.h"
#define RTL_TEXTENC_UNICODE_REPLACEMENT_CHARACTER 0xFFFD
inline bool ImplIsNoncharacter(sal_uInt32 nUtf32)
{
return (nUtf32 >= 0xFDD0 && nUtf32 <= 0xFDEF)
|| (nUtf32 & 0xFFFF) >= 0xFFFE
|| nUtf32 > 0x10FFFF;
}
// All code points that are noncharacters, as of Unicode 3.1.1.
bool ImplIsControlOrFormat(sal_uInt32 nUtf32);
inline bool ImplIsHighSurrogate(sal_uInt32 nUtf32)
{ return nUtf32 >= 0xD800 && nUtf32 <= 0xDBFF; }
// All code points that are high-surrogates, as of Unicode 3.1.1.
inline bool ImplIsLowSurrogate(sal_uInt32 nUtf32)
{ return nUtf32 >= 0xDC00 && nUtf32 <= 0xDFFF; }
// All code points that are low-surrogates, as of Unicode 3.1.1.
bool ImplIsPrivateUse(sal_uInt32 nUtf32);
bool ImplIsZeroWidth(sal_uInt32 nUtf32);
inline sal_uInt32 ImplGetHighSurrogate(sal_uInt32 nUtf32)
{
assert(nUtf32 >= 0x10000);
return ((nUtf32 - 0x10000) >> 10) | 0xD800;
}
inline sal_uInt32 ImplGetLowSurrogate(sal_uInt32 nUtf32)
{
assert(nUtf32 >= 0x10000);
return ((nUtf32 - 0x10000) & 0x3FF) | 0xDC00;
}
inline sal_uInt32 ImplCombineSurrogates(sal_uInt32 nHigh, sal_uInt32 nLow)
{
assert(ImplIsHighSurrogate(nHigh) && ImplIsLowSurrogate(nLow));
return (((nHigh & 0x3FF) << 10) | (nLow & 0x3FF)) + 0x10000;
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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