/* | |
* Copyright (C) 2008 Apple Inc. All rights reserved. | |
* | |
* Redistribution and use in source and binary forms, with or without | |
* modification, are permitted provided that the following conditions | |
* are met: | |
* | |
* 1. Redistributions of source code must retain the above copyright | |
* notice, this list of conditions and the following disclaimer. | |
* 2. Redistributions in binary form must reproduce the above copyright | |
* notice, this list of conditions and the following disclaimer in the | |
* documentation and/or other materials provided with the distribution. | |
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of | |
* its contributors may be used to endorse or promote products derived | |
* from this software without specific prior written permission. | |
* | |
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | |
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | |
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
*/ | |
#ifndef WTF_Collator_h | |
#define WTF_Collator_h | |
#include <memory> | |
#include <wtf/Noncopyable.h> | |
#include <wtf/unicode/Unicode.h> | |
#if USE(ICU_UNICODE) && !UCONFIG_NO_COLLATION | |
struct UCollator; | |
#endif | |
namespace WTF { | |
class Collator : public Noncopyable { | |
public: | |
enum Result { Equal = 0, Greater = 1, Less = -1 }; | |
Collator(const char* locale); // Parsing is lenient; e.g. language identifiers (such as "en-US") are accepted, too. | |
~Collator(); | |
void setOrderLowerFirst(bool); | |
static std::auto_ptr<Collator> userDefault(); | |
Result collate(const ::UChar*, size_t, const ::UChar*, size_t) const; | |
private: | |
#if USE(ICU_UNICODE) && !UCONFIG_NO_COLLATION | |
void createCollator() const; | |
void releaseCollator(); | |
mutable UCollator* m_collator; | |
#endif | |
char* m_locale; | |
bool m_lowerFirst; | |
}; | |
} | |
using WTF::Collator; | |
#endif |