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Side by Side Diff: Source/bindings/core/v8/Dictionary.h

Issue 1278983003: Adding allocator annotations to blink classes and structs. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Fixed patch conflict Created 5 years, 4 months ago
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1 /* 1 /*
2 * Copyright (C) 2010 Google Inc. All rights reserved. 2 * Copyright (C) 2010 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 * 7 *
8 * 1. Redistributions of source code must retain the above copyright 8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright 10 * 2. Redistributions in binary form must reproduce the above copyright
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39 #include "wtf/text/AtomicString.h" 39 #include "wtf/text/AtomicString.h"
40 #include "wtf/text/WTFString.h" 40 #include "wtf/text/WTFString.h"
41 #include <v8.h> 41 #include <v8.h>
42 42
43 namespace blink { 43 namespace blink {
44 44
45 // Dictionary class provides ways to retrieve property values as C++ objects 45 // Dictionary class provides ways to retrieve property values as C++ objects
46 // from a V8 object. Instances of this class must not outlive V8's handle scope 46 // from a V8 object. Instances of this class must not outlive V8's handle scope
47 // because they hold a V8 value without putting it on persistent handles. 47 // because they hold a V8 value without putting it on persistent handles.
48 class CORE_EXPORT Dictionary final { 48 class CORE_EXPORT Dictionary final {
49 ALLOW_ONLY_INLINE_ALLOCATION();
49 public: 50 public:
50 Dictionary(); 51 Dictionary();
51 Dictionary(const v8::Local<v8::Value>& options, v8::Isolate*, ExceptionState &); 52 Dictionary(const v8::Local<v8::Value>& options, v8::Isolate*, ExceptionState &);
52 ~Dictionary(); 53 ~Dictionary();
53 54
54 Dictionary& operator=(const Dictionary&); 55 Dictionary& operator=(const Dictionary&);
55 56
56 bool isObject() const; 57 bool isObject() const;
57 bool isUndefinedOrNull() const; 58 bool isUndefinedOrNull() const;
58 59
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87 struct NativeValueTraits<Dictionary> { 88 struct NativeValueTraits<Dictionary> {
88 static inline Dictionary nativeValue(v8::Isolate* isolate, v8::Local<v8::Val ue> value, ExceptionState& exceptionState) 89 static inline Dictionary nativeValue(v8::Isolate* isolate, v8::Local<v8::Val ue> value, ExceptionState& exceptionState)
89 { 90 {
90 return Dictionary(value, isolate, exceptionState); 91 return Dictionary(value, isolate, exceptionState);
91 } 92 }
92 }; 93 };
93 94
94 // DictionaryHelper is a collection of static methods for getting or 95 // DictionaryHelper is a collection of static methods for getting or
95 // converting a value from Dictionary. 96 // converting a value from Dictionary.
96 struct DictionaryHelper { 97 struct DictionaryHelper {
98 STATIC_ONLY(DictionaryHelper);
97 template <typename T> 99 template <typename T>
98 static bool get(const Dictionary&, const String& key, T& value); 100 static bool get(const Dictionary&, const String& key, T& value);
99 template <typename T> 101 template <typename T>
100 static bool get(const Dictionary&, const String& key, T& value, bool& hasVal ue); 102 static bool get(const Dictionary&, const String& key, T& value, bool& hasVal ue);
101 template <typename T> 103 template <typename T>
102 static bool get(const Dictionary&, const String& key, T& value, ExceptionSta te&); 104 static bool get(const Dictionary&, const String& key, T& value, ExceptionSta te&);
103 template <typename T> 105 template <typename T>
104 static bool getWithUndefinedOrNullCheck(const Dictionary& dictionary, const String& key, T& value) 106 static bool getWithUndefinedOrNullCheck(const Dictionary& dictionary, const String& key, T& value)
105 { 107 {
106 v8::Local<v8::Value> v8Value; 108 v8::Local<v8::Value> v8Value;
107 if (!dictionary.getKey(key, v8Value) || isUndefinedOrNull(v8Value)) 109 if (!dictionary.getKey(key, v8Value) || isUndefinedOrNull(v8Value))
108 return false; 110 return false;
109 return DictionaryHelper::get(dictionary, key, value); 111 return DictionaryHelper::get(dictionary, key, value);
110 } 112 }
111 template <template <typename> class PointerType, typename T> 113 template <template <typename> class PointerType, typename T>
112 static bool get(const Dictionary&, const String& key, PointerType<T>& value) ; 114 static bool get(const Dictionary&, const String& key, PointerType<T>& value) ;
113 }; 115 };
114 116
115 } 117 }
116 118
117 #endif // Dictionary_h 119 #endif // Dictionary_h
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