1/* 2 * Copyright (C) 2010 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#import "config.h" 27#import "Hyphenation.h" 28 29#if defined(BUILDING_ON_TIGER) || defined(BUILDING_ON_LEOPARD) || defined(BUILDING_ON_SNOW_LEOPARD) 30 31#import "AtomicStringKeyedMRUCache.h" 32#import "TextBreakIteratorInternalICU.h" 33#import "WebCoreSystemInterface.h" 34#import <wtf/RetainPtr.h> 35 36namespace WebCore { 37 38template<> 39bool AtomicStringKeyedMRUCache<bool>::createValueForNullKey() 40{ 41 return !strcmp(currentSearchLocaleID(), "en"); 42} 43 44template<> 45bool AtomicStringKeyedMRUCache<bool>::createValueForKey(const AtomicString& localeIdentifier) 46{ 47 RetainPtr<CFStringRef> cfLocaleIdentifier(AdoptCF, localeIdentifier.createCFString()); 48 RetainPtr<CFDictionaryRef> components(AdoptCF, CFLocaleCreateComponentsFromLocaleIdentifier(kCFAllocatorDefault, cfLocaleIdentifier.get())); 49 CFStringRef language = reinterpret_cast<CFStringRef>(CFDictionaryGetValue(components.get(), kCFLocaleLanguageCode)); 50 static CFStringRef englishLanguage = CFSTR("en"); 51 return language && CFEqual(language, englishLanguage); 52} 53 54bool canHyphenate(const AtomicString& localeIdentifier) 55{ 56 DEFINE_STATIC_LOCAL(AtomicStringKeyedMRUCache<bool>, isEnglishCache, ()); 57 return isEnglishCache.get(localeIdentifier); 58} 59 60size_t lastHyphenLocation(const UChar* characters, size_t length, size_t beforeIndex, const AtomicString& localeIdentifier) 61{ 62 ASSERT_UNUSED(localeIdentifier, canHyphenate(localeIdentifier)); 63 64 RetainPtr<CFStringRef> string(AdoptCF, CFStringCreateWithCharactersNoCopy(kCFAllocatorDefault, characters, length, kCFAllocatorNull)); 65 return wkGetHyphenationLocationBeforeIndex(string.get(), beforeIndex); 66} 67 68} // namespace WebCore 69 70#endif // defined(BUILDING_ON_TIGER) || defined(BUILDING_ON_LEOPARD) || defined(BUILDING_ON_SNOW_LEOPARD) 71