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| 1 /* | 1 /* |
| 2 * Copyright (C) 2006 Lars Knoll <lars@trolltech.com> | 2 * Copyright (C) 2006 Lars Knoll <lars@trolltech.com> |
| 3 * Copyright (C) 2007, 2011, 2012 Apple Inc. All rights reserved. | 3 * Copyright (C) 2007, 2011, 2012 Apple Inc. All rights reserved. |
| 4 * | 4 * |
| 5 * This library is free software; you can redistribute it and/or | 5 * This library is free software; you can redistribute it and/or |
| 6 * modify it under the terms of the GNU Library General Public | 6 * modify it under the terms of the GNU Library General Public |
| 7 * License as published by the Free Software Foundation; either | 7 * License as published by the Free Software Foundation; either |
| 8 * version 2 of the License, or (at your option) any later version. | 8 * version 2 of the License, or (at your option) any later version. |
| 9 * | 9 * |
| 10 * This library is distributed in the hope that it will be useful, | 10 * This library is distributed in the hope that it will be useful, |
| (...skipping 21 matching lines...) Expand all Loading... |
| 32 #include <unicode/ubrk.h> | 32 #include <unicode/ubrk.h> |
| 33 | 33 |
| 34 using namespace WTF; | 34 using namespace WTF; |
| 35 | 35 |
| 36 namespace blink { | 36 namespace blink { |
| 37 | 37 |
| 38 class LineBreakIteratorPool final { | 38 class LineBreakIteratorPool final { |
| 39 USING_FAST_MALLOC(LineBreakIteratorPool); | 39 USING_FAST_MALLOC(LineBreakIteratorPool); |
| 40 WTF_MAKE_NONCOPYABLE(LineBreakIteratorPool); | 40 WTF_MAKE_NONCOPYABLE(LineBreakIteratorPool); |
| 41 public: | 41 public: |
| 42 LineBreakIteratorPool() { } |
| 43 |
| 42 static LineBreakIteratorPool& sharedPool() | 44 static LineBreakIteratorPool& sharedPool() |
| 43 { | 45 { |
| 44 static WTF::ThreadSpecific<LineBreakIteratorPool>* pool = new WTF::Threa
dSpecific<LineBreakIteratorPool>; | 46 static WTF::ThreadSpecific<LineBreakIteratorPool>* pool = new WTF::Threa
dSpecific<LineBreakIteratorPool>; |
| 45 return **pool; | 47 return **pool; |
| 46 } | 48 } |
| 47 | 49 |
| 48 static PassOwnPtr<LineBreakIteratorPool> create() { return adoptPtr(new Line
BreakIteratorPool); } | |
| 49 | |
| 50 icu::BreakIterator* take(const AtomicString& locale) | 50 icu::BreakIterator* take(const AtomicString& locale) |
| 51 { | 51 { |
| 52 icu::BreakIterator* iterator = 0; | 52 icu::BreakIterator* iterator = 0; |
| 53 for (size_t i = 0; i < m_pool.size(); ++i) { | 53 for (size_t i = 0; i < m_pool.size(); ++i) { |
| 54 if (m_pool[i].first == locale) { | 54 if (m_pool[i].first == locale) { |
| 55 iterator = m_pool[i].second; | 55 iterator = m_pool[i].second; |
| 56 m_pool.remove(i); | 56 m_pool.remove(i); |
| 57 break; | 57 break; |
| 58 } | 58 } |
| 59 } | 59 } |
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| 86 | 86 |
| 87 if (m_pool.size() == capacity) { | 87 if (m_pool.size() == capacity) { |
| 88 delete(m_pool[0].second); | 88 delete(m_pool[0].second); |
| 89 m_pool.remove(0); | 89 m_pool.remove(0); |
| 90 } | 90 } |
| 91 | 91 |
| 92 m_pool.append(Entry(m_vendedIterators.take(iterator), iterator)); | 92 m_pool.append(Entry(m_vendedIterators.take(iterator), iterator)); |
| 93 } | 93 } |
| 94 | 94 |
| 95 private: | 95 private: |
| 96 LineBreakIteratorPool() { } | |
| 97 | |
| 98 static const size_t capacity = 4; | 96 static const size_t capacity = 4; |
| 99 | 97 |
| 100 typedef std::pair<AtomicString, icu::BreakIterator*> Entry; | 98 typedef std::pair<AtomicString, icu::BreakIterator*> Entry; |
| 101 typedef Vector<Entry, capacity> Pool; | 99 typedef Vector<Entry, capacity> Pool; |
| 102 Pool m_pool; | 100 Pool m_pool; |
| 103 HashMap<icu::BreakIterator*, AtomicString> m_vendedIterators; | 101 HashMap<icu::BreakIterator*, AtomicString> m_vendedIterators; |
| 104 | |
| 105 friend WTF::ThreadSpecific<LineBreakIteratorPool>::operator LineBreakIterato
rPool*(); | |
| 106 }; | 102 }; |
| 107 | 103 |
| 108 enum TextContext { NoContext, PriorContext, PrimaryContext }; | 104 enum TextContext { NoContext, PriorContext, PrimaryContext }; |
| 109 | 105 |
| 110 const int textBufferCapacity = 16; | 106 const int textBufferCapacity = 16; |
| 111 | 107 |
| 112 typedef struct { | 108 typedef struct { |
| 113 DISALLOW_NEW(); | 109 DISALLOW_NEW(); |
| 114 UText text; | 110 UText text; |
| 115 UChar buffer[textBufferCapacity]; | 111 UChar buffer[textBufferCapacity]; |
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| 835 "$Tel1 $TelV $Tel0;" // Telugu Virama (backward) | 831 "$Tel1 $TelV $Tel0;" // Telugu Virama (backward) |
| 836 "$Kan1 $KanV $Kan0;" // Kannada Virama (backward) | 832 "$Kan1 $KanV $Kan0;" // Kannada Virama (backward) |
| 837 "$Mal1 $MalV $Mal0;" // Malayalam Virama (backward) | 833 "$Mal1 $MalV $Mal0;" // Malayalam Virama (backward) |
| 838 "!!safe_reverse;" | 834 "!!safe_reverse;" |
| 839 "!!safe_forward;"; | 835 "!!safe_forward;"; |
| 840 | 836 |
| 841 return setUpIteratorWithRules(kRules, string, length); | 837 return setUpIteratorWithRules(kRules, string, length); |
| 842 } | 838 } |
| 843 | 839 |
| 844 } // namespace blink | 840 } // namespace blink |
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