2 * Copyright (C) 2010 Apple Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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
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11 * documentation and/or other materials provided with the distribution.
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15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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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
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27 #include "Hyphenation.h"
29 #if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD)
31 #include "AtomicStringKeyedMRUCache.h"
32 #include "TextBreakIteratorInternalICU.h"
33 #include <wtf/ListHashSet.h>
34 #include <wtf/RetainPtr.h>
39 RetainPtr<CFLocaleRef> AtomicStringKeyedMRUCache<RetainPtr<CFLocaleRef> >::createValueForNullKey()
41 RetainPtr<CFLocaleRef> locale(AdoptCF, CFLocaleCopyCurrent());
43 return CFStringIsHyphenationAvailableForLocale(locale.get()) ? locale : 0;
47 RetainPtr<CFLocaleRef> AtomicStringKeyedMRUCache<RetainPtr<CFLocaleRef> >::createValueForKey(const AtomicString& localeIdentifier)
49 RetainPtr<CFStringRef> cfLocaleIdentifier(AdoptCF, localeIdentifier.createCFString());
50 RetainPtr<CFLocaleRef> locale(AdoptCF, CFLocaleCreate(kCFAllocatorDefault, cfLocaleIdentifier.get()));
52 return CFStringIsHyphenationAvailableForLocale(locale.get()) ? locale : 0;
55 static AtomicStringKeyedMRUCache<RetainPtr<CFLocaleRef> >& cfLocaleCache()
57 DEFINE_STATIC_LOCAL(AtomicStringKeyedMRUCache<RetainPtr<CFLocaleRef> >, cache, ());
61 bool canHyphenate(const AtomicString& localeIdentifier)
63 return cfLocaleCache().get(localeIdentifier);
66 size_t lastHyphenLocation(const UChar* characters, size_t length, size_t beforeIndex, const AtomicString& localeIdentifier)
68 RetainPtr<CFStringRef> string(AdoptCF, CFStringCreateWithCharactersNoCopy(kCFAllocatorDefault, reinterpret_cast<const UniChar*>(characters), length, kCFAllocatorNull));
70 RetainPtr<CFLocaleRef> locale = cfLocaleCache().get(localeIdentifier);
73 CFIndex result = CFStringGetHyphenationLocationBeforeIndex(string.get(), beforeIndex, CFRangeMake(0, length), 0, locale.get(), 0);
74 return result == kCFNotFound ? 0 : result;
77 } // namespace WebCore
79 #endif // !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD)