/*
 * Copyright (C) 2010 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.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. 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.
 */

#include "config.h"
#include "Hyphenation.h"

#if !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD)

#include "TextBreakIteratorInternalICU.h"
#include <wtf/RetainPtr.h>

namespace WebCore {

static CFLocaleRef createCurrentSearchLocale()
{
    RetainPtr<CFStringRef> localeIdentifier(AdoptCF, CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, (const UInt8*)currentSearchLocaleID(), strlen(currentSearchLocaleID()), kCFStringEncodingASCII, false, kCFAllocatorNull));
    return CFLocaleCreate(kCFAllocatorDefault, localeIdentifier.get());
}

size_t lastHyphenLocation(const UChar* characters, size_t length, size_t beforeIndex)
{
    RetainPtr<CFStringRef> string(AdoptCF, CFStringCreateWithCharactersNoCopy(kCFAllocatorDefault, characters, length, kCFAllocatorNull));

    static CFLocaleRef locale = createCurrentSearchLocale();

    CFIndex result = CFStringGetHyphenationLocationBeforeIndex(string.get(), beforeIndex, CFRangeMake(0, length), 0, locale, 0);
    return result == kCFNotFound ? 0 : result;
}

} // namespace WebCore

#endif // !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD)