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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 |
11 * notice, this list of conditions and the following disclaimer in the | 11 * notice, this list of conditions and the following disclaimer in the |
12 * documentation and/or other materials provided with the distribution. | 12 * documentation and/or other materials provided with the distribution. |
13 * | 13 * |
14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #ifndef Dictionary_h | 26 #ifndef Dictionary_h |
27 #define Dictionary_h | 27 #define Dictionary_h |
28 | 28 |
29 #include "bindings/v8/ExceptionMessages.h" | |
30 #include "bindings/v8/ExceptionState.h" | |
29 #include "bindings/v8/ScriptValue.h" | 31 #include "bindings/v8/ScriptValue.h" |
32 #include "bindings/v8/V8Binding.h" | |
33 #include "bindings/v8/V8BindingMacros.h" | |
30 #include "core/events/EventListener.h" | 34 #include "core/events/EventListener.h" |
31 #include "core/dom/MessagePort.h" | 35 #include "core/dom/MessagePort.h" |
32 #include <v8.h> | 36 #include <v8.h> |
33 #include "wtf/HashMap.h" | 37 #include "wtf/HashMap.h" |
34 #include "wtf/HashSet.h" | 38 #include "wtf/HashSet.h" |
35 #include "wtf/Vector.h" | 39 #include "wtf/Vector.h" |
36 #include "wtf/text/AtomicString.h" | 40 #include "wtf/text/AtomicString.h" |
37 #include "wtf/text/WTFString.h" | 41 #include "wtf/text/WTFString.h" |
38 | 42 |
39 namespace WebCore { | 43 namespace WebCore { |
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88 bool get(const String&, RefPtr<MediaStream>&) const; | 92 bool get(const String&, RefPtr<MediaStream>&) const; |
89 bool get(const String&, RefPtr<EventTarget>&) const; | 93 bool get(const String&, RefPtr<EventTarget>&) const; |
90 bool get(const String&, HashSet<AtomicString>&) const; | 94 bool get(const String&, HashSet<AtomicString>&) const; |
91 bool get(const String&, Dictionary&) const; | 95 bool get(const String&, Dictionary&) const; |
92 bool get(const String&, Vector<String>&) const; | 96 bool get(const String&, Vector<String>&) const; |
93 bool get(const String&, ArrayValue&) const; | 97 bool get(const String&, ArrayValue&) const; |
94 bool get(const String&, RefPtr<DOMError>&) const; | 98 bool get(const String&, RefPtr<DOMError>&) const; |
95 bool get(const String&, RefPtr<VoidCallback>&) const; | 99 bool get(const String&, RefPtr<VoidCallback>&) const; |
96 bool get(const String&, v8::Local<v8::Value>&) const; | 100 bool get(const String&, v8::Local<v8::Value>&) const; |
97 | 101 |
102 bool convert(const String&, bool&, ExceptionState&) const; | |
sof
2013/11/25 08:21:33
An alternate design that I played with was to have
| |
103 bool convert(const String&, double&, ExceptionState&) const; | |
104 bool convert(const String&, String&, ExceptionState&) const; | |
105 bool convert(const String&, ScriptValue&, ExceptionState&) const; | |
106 | |
107 template<typename T> | |
108 bool convert(const String&, enum IntegerConversionConfiguration, T&, Excepti onState&) const; | |
109 bool convert(const String&, const String&, bool, MessagePortArray&, Exceptio nState&) const; | |
110 bool convert(const String&, const String&, bool, HashSet<AtomicString>&, Exc eptionState&) const; | |
111 bool convert(const String&, const String&, bool, Dictionary&, ExceptionState &) const; | |
112 bool convert(const String&, const String&, bool, Vector<String>&, ExceptionS tate&) const; | |
113 bool convert(const String&, const String&, bool, ArrayValue&, ExceptionState &) const; | |
114 template<typename T> | |
115 bool convert(const String&, const String&, bool, RefPtr<T>&, ExceptionState& ) const; | |
116 | |
98 bool getOwnPropertiesAsStringHashMap(HashMap<String, String>&) const; | 117 bool getOwnPropertiesAsStringHashMap(HashMap<String, String>&) const; |
99 bool getOwnPropertyNames(Vector<String>&) const; | 118 bool getOwnPropertyNames(Vector<String>&) const; |
100 | 119 |
101 bool getWithUndefinedOrNullCheck(const String&, String&) const; | 120 bool getWithUndefinedOrNullCheck(const String&, String&) const; |
102 | 121 |
122 bool hasProperty(const String&) const; | |
123 | |
103 // Only allow inline allocation. | 124 // Only allow inline allocation. |
104 void* operator new(size_t, NotNullTag, void* location) { return location; } | 125 void* operator new(size_t, NotNullTag, void* location) { return location; } |
105 | 126 |
106 private: | 127 private: |
107 // Disallow new allocation. | 128 // Disallow new allocation. |
108 void* operator new(size_t); | 129 void* operator new(size_t); |
109 | 130 |
110 bool getKey(const String& key, v8::Local<v8::Value>&) const; | 131 bool getKey(const String& key, v8::Local<v8::Value>&) const; |
111 | 132 |
112 v8::Handle<v8::Value> m_options; | 133 v8::Handle<v8::Value> m_options; |
113 v8::Isolate* m_isolate; | 134 v8::Isolate* m_isolate; |
114 }; | 135 }; |
115 | 136 |
137 template<> | |
138 struct NativeValueTraits<Dictionary> { | |
139 static inline Dictionary nativeValue(const v8::Handle<v8::Value>& value, v8: :Isolate* isolate) | |
140 { | |
141 return Dictionary(value, isolate); | |
142 } | |
143 }; | |
144 | |
145 template <typename T> | |
146 struct IntegralTypeTraits { | |
147 }; | |
148 | |
149 template <> | |
150 struct IntegralTypeTraits<uint8_t> { | |
151 static inline uint8_t toIntegral(v8::Handle<v8::Value> value, IntegerConvers ionConfiguration configuration, bool& ok) | |
152 { | |
153 return toUInt8(value, configuration, ok); | |
154 } | |
155 static const String typeName() { return "UInt8"; } | |
156 }; | |
157 | |
158 template <> | |
159 struct IntegralTypeTraits<int8_t> { | |
160 static inline int8_t toIntegral(v8::Handle<v8::Value> value, IntegerConversi onConfiguration configuration, bool& ok) | |
161 { | |
162 return toInt8(value, configuration, ok); | |
163 } | |
164 static const String typeName() { return "Int8"; } | |
165 }; | |
166 | |
167 template <> | |
168 struct IntegralTypeTraits<unsigned short> { | |
169 static inline uint16_t toIntegral(v8::Handle<v8::Value> value, IntegerConver sionConfiguration configuration, bool& ok) | |
170 { | |
171 return toUInt16(value, configuration, ok); | |
172 } | |
173 static const String typeName() { return "UInt16"; } | |
174 }; | |
175 | |
176 template <> | |
177 struct IntegralTypeTraits<short> { | |
178 static inline int16_t toIntegral(v8::Handle<v8::Value> value, IntegerConvers ionConfiguration configuration, bool& ok) | |
179 { | |
180 return toInt16(value, configuration, ok); | |
181 } | |
182 static const String typeName() { return "Int16"; } | |
183 }; | |
184 | |
185 template <> | |
186 struct IntegralTypeTraits<unsigned> { | |
187 static inline uint32_t toIntegral(v8::Handle<v8::Value> value, IntegerConver sionConfiguration configuration, bool& ok) | |
188 { | |
189 return toUInt32(value, configuration, ok); | |
190 } | |
191 static const String typeName() { return "UInt32"; } | |
192 }; | |
193 | |
194 template <> | |
195 struct IntegralTypeTraits<unsigned long> { | |
196 static inline uint32_t toIntegral(v8::Handle<v8::Value> value, IntegerConver sionConfiguration configuration, bool& ok) | |
197 { | |
198 return toUInt32(value, configuration, ok); | |
199 } | |
200 static const String typeName() { return "UInt32"; } | |
201 }; | |
202 | |
203 template <> | |
204 struct IntegralTypeTraits<int> { | |
205 static inline int32_t toIntegral(v8::Handle<v8::Value> value, IntegerConvers ionConfiguration configuration, bool& ok) | |
206 { | |
207 return toInt32(value, configuration, ok); | |
208 } | |
209 static const String typeName() { return "Int32"; } | |
210 }; | |
211 | |
212 template <> | |
213 struct IntegralTypeTraits<long> { | |
214 static inline int32_t toIntegral(v8::Handle<v8::Value> value, IntegerConvers ionConfiguration configuration, bool& ok) | |
215 { | |
216 return toInt32(value, configuration, ok); | |
217 } | |
218 static const String typeName() { return "Int32"; } | |
219 }; | |
220 | |
221 template <> | |
222 struct IntegralTypeTraits<unsigned long long> { | |
223 static inline unsigned long long toIntegral(v8::Handle<v8::Value> value, Int egerConversionConfiguration configuration, bool& ok) | |
224 { | |
225 return toUInt64(value, configuration, ok); | |
226 } | |
227 static const String typeName() { return "UInt64"; } | |
228 }; | |
229 | |
230 template <> | |
231 struct IntegralTypeTraits<long long> { | |
232 static inline long long toIntegral(v8::Handle<v8::Value> value, IntegerConve rsionConfiguration configuration, bool& ok) | |
233 { | |
234 return toInt64(value, configuration, ok); | |
235 } | |
236 static const String typeName() { return "Int64"; } | |
237 }; | |
238 | |
239 template<typename T> bool Dictionary::convert(const String& key, IntegerConversi onConfiguration configuration, T& value, ExceptionState& exceptionState) const | |
240 { | |
241 v8::Local<v8::Value> v8Value; | |
242 if (!getKey(key, v8Value)) | |
243 return true; | |
244 | |
245 bool ok = false; | |
246 value = IntegralTypeTraits<T>::toIntegral(v8Value, configuration, ok); | |
247 if (!ok) { | |
248 V8TRYCATCH_RETURN(v8::Local<v8::Number>, v8Number, v8Value->ToNumber(), false); | |
249 if (v8Number.IsEmpty()) { | |
250 exceptionState.throwTypeError(ExceptionMessages::illTypedProperty(ke y, "does not have type " + IntegralTypeTraits<T>::typeName() + ".")); | |
251 } else { | |
252 ASSERT(configuration == EnforceRange); | |
253 exceptionState.throwTypeError(ExceptionMessages::illTypedProperty(ke y, "is not a finite number.")); | |
254 } | |
255 return false; | |
256 } | |
257 return true; | |
258 } | |
259 | |
260 template<typename T> bool Dictionary::convert(const String& key, const String& t ypeName, bool isNullable, RefPtr<T>& value, ExceptionState& exceptionState) cons t | |
261 { | |
262 if (!get(key, value)) | |
263 return true; | |
264 | |
265 if (!value) { | |
266 v8::Local<v8::Value> v8Value; | |
267 getKey(key, v8Value); | |
268 if (!(isNullable && WebCore::isUndefinedOrNull(v8Value))) { | |
269 exceptionState.throwTypeError(ExceptionMessages::illTypedProperty(ke y, "does not have " + (typeName.isEmpty() ? String("the expected type.") : ("a " + typeName + " type.")))); | |
270 return false; | |
271 } | |
272 } | |
273 return true; | |
274 } | |
275 | |
116 } | 276 } |
117 | 277 |
118 #endif // Dictionary_h | 278 #endif // Dictionary_h |
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