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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_SAL_RTL_SURROGATES_HXX
#define INCLUDED_SAL_RTL_SURROGATES_HXX
#include <sal/config.h>
#include <sal/types.h>
#define SAL_RTL_FIRST_HIGH_SURROGATE 0xD800
#define SAL_RTL_LAST_HIGH_SURROGATE 0xDBFF
#define SAL_RTL_FIRST_LOW_SURROGATE 0xDC00
#define SAL_RTL_LAST_LOW_SURROGATE 0xDFFF
inline bool isHighSurrogate(sal_uInt32 utf16) {
return utf16 >= SAL_RTL_FIRST_HIGH_SURROGATE
&& utf16 <= SAL_RTL_LAST_HIGH_SURROGATE;
}
inline bool isLowSurrogate(sal_uInt32 utf16) {
return utf16 >= SAL_RTL_FIRST_LOW_SURROGATE
&& utf16 <= SAL_RTL_LAST_LOW_SURROGATE;
}
inline sal_uInt32 combineSurrogates(sal_uInt32 high, sal_uInt32 low) {
return ((high - SAL_RTL_FIRST_HIGH_SURROGATE) << 10)
+ (low - SAL_RTL_FIRST_LOW_SURROGATE) + 0x10000;
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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