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Diffstat (limited to 'JavaScriptCore/wtf/unicode/Collator.h')
-rw-r--r-- | JavaScriptCore/wtf/unicode/Collator.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/JavaScriptCore/wtf/unicode/Collator.h b/JavaScriptCore/wtf/unicode/Collator.h new file mode 100644 index 0000000..f04779d --- /dev/null +++ b/JavaScriptCore/wtf/unicode/Collator.h @@ -0,0 +1,67 @@ +/* + * 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 : 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 |