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1 /* | 1 /* |
2 * Copyright (C) 2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2009 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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26 #ifndef V8ValueCache_h | 26 #ifndef V8ValueCache_h |
27 #define V8ValueCache_h | 27 #define V8ValueCache_h |
28 | 28 |
29 #include "bindings/core/v8/V8PersistentValueMap.h" | 29 #include "bindings/core/v8/V8PersistentValueMap.h" |
30 #include "wtf/HashMap.h" | 30 #include "wtf/HashMap.h" |
31 #include "wtf/RefPtr.h" | 31 #include "wtf/RefPtr.h" |
32 #include "wtf/text/AtomicString.h" | 32 #include "wtf/text/AtomicString.h" |
33 #include "wtf/text/WTFString.h" | 33 #include "wtf/text/WTFString.h" |
34 #include <v8.h> | 34 #include <v8.h> |
35 | 35 |
36 namespace WebCore { | 36 namespace blink { |
37 | 37 |
38 class StringCacheMapTraits : public V8PersistentValueMapTraits<StringImpl*, v8::
String, true> { | 38 class StringCacheMapTraits : public V8PersistentValueMapTraits<StringImpl*, v8::
String, true> { |
39 public: | 39 public: |
40 // Weak traits: | 40 // Weak traits: |
41 typedef StringImpl WeakCallbackDataType; | 41 typedef StringImpl WeakCallbackDataType; |
42 typedef v8::PersistentValueMap<StringImpl*, v8::String, StringCacheMapTraits
> MapType; | 42 typedef v8::PersistentValueMap<StringImpl*, v8::String, StringCacheMapTraits
> MapType; |
43 | 43 |
44 static WeakCallbackDataType* WeakCallbackParameter( | 44 static WeakCallbackDataType* WeakCallbackParameter( |
45 MapType* map, StringImpl* key, v8::Local<v8::String>& value) { return ke
y; } | 45 MapType* map, StringImpl* key, v8::Local<v8::String>& value) { return ke
y; } |
46 static void DisposeCallbackData(WeakCallbackDataType* callbackData) { } | 46 static void DisposeCallbackData(WeakCallbackDataType* callbackData) { } |
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90 | 90 |
91 StringCacheMapTraits::MapType m_stringCache; | 91 StringCacheMapTraits::MapType m_stringCache; |
92 StringCacheMapTraits::MapType::PersistentValueReference m_lastV8String; | 92 StringCacheMapTraits::MapType::PersistentValueReference m_lastV8String; |
93 | 93 |
94 // Note: RefPtr is a must as we cache by StringImpl* equality, not identity | 94 // Note: RefPtr is a must as we cache by StringImpl* equality, not identity |
95 // hence lastStringImpl might be not a key of the cache (in sense of identit
y) | 95 // hence lastStringImpl might be not a key of the cache (in sense of identit
y) |
96 // and hence it's not refed on addition. | 96 // and hence it's not refed on addition. |
97 RefPtr<StringImpl> m_lastStringImpl; | 97 RefPtr<StringImpl> m_lastStringImpl; |
98 }; | 98 }; |
99 | 99 |
100 } // namespace WebCore | 100 } // namespace blink |
101 | 101 |
102 #endif // V8ValueCache_h | 102 #endif // V8ValueCache_h |
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