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Side by Side Diff: third_party/WebKit/Source/platform/bindings/ToV8.h

Issue 2843143002: Move more files to platform/bindings (Closed)
Patch Set: Move back IDLDictionaryBase Created 3 years, 7 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef ToV8_h 5 #ifndef ToV8_h
6 #define ToV8_h 6 #define ToV8_h
7 7
8 // ToV8() provides C++ -> V8 conversion. Note that ToV8() can return an empty 8 // ToV8() provides C++ -> V8 conversion. Note that ToV8() can return an empty
9 // handle. Call sites must check IsEmpty() before using return value. 9 // handle. Call sites must check IsEmpty() before using return value.
10 10
11 #include <utility> 11 #include <utility>
12 12
13 #include "bindings/core/v8/DOMDataStore.h" 13 #include "platform/bindings/DOMDataStore.h"
14 #include "bindings/core/v8/IDLDictionaryBase.h" 14 #include "platform/bindings/ScriptState.h"
15 #include "bindings/core/v8/ScriptState.h" 15 #include "platform/bindings/ScriptWrappable.h"
16 #include "bindings/core/v8/ScriptValue.h" 16 #include "platform/bindings/V8Binding.h"
17 #include "bindings/core/v8/ScriptWrappable.h"
18 #include "bindings/core/v8/V8Binding.h"
19 #include "core/CoreExport.h"
20 #include "core/dom/ArrayBufferViewHelpers.h"
21 #include "platform/heap/Handle.h" 17 #include "platform/heap/Handle.h"
22 #include "platform/wtf/Forward.h" 18 #include "platform/wtf/Forward.h"
23 #include "v8/include/v8.h" 19 #include "v8/include/v8.h"
24 20
25 namespace blink { 21 namespace blink {
26 22
27 // ScriptWrappable 23 // ScriptWrappable
28 24
29 inline v8::Local<v8::Value> ToV8(ScriptWrappable* impl, 25 inline v8::Local<v8::Value> ToV8(ScriptWrappable* impl,
30 v8::Local<v8::Object> creation_context, 26 v8::Local<v8::Object> creation_context,
(...skipping 126 matching lines...) Expand 10 before | Expand all | Expand 10 after
157 struct ToV8UndefinedGenerator { 153 struct ToV8UndefinedGenerator {
158 DISALLOW_NEW(); 154 DISALLOW_NEW();
159 }; // Used only for having toV8 return v8::Undefined. 155 }; // Used only for having toV8 return v8::Undefined.
160 156
161 inline v8::Local<v8::Value> ToV8(const ToV8UndefinedGenerator& value, 157 inline v8::Local<v8::Value> ToV8(const ToV8UndefinedGenerator& value,
162 v8::Local<v8::Object> creation_context, 158 v8::Local<v8::Object> creation_context,
163 v8::Isolate* isolate) { 159 v8::Isolate* isolate) {
164 return v8::Undefined(isolate); 160 return v8::Undefined(isolate);
165 } 161 }
166 162
167 // ScriptValue
168
169 inline v8::Local<v8::Value> ToV8(const ScriptValue& value,
170 v8::Local<v8::Object> creation_context,
171 v8::Isolate* isolate) {
172 if (value.IsEmpty())
173 return v8::Undefined(isolate);
174 return value.V8Value();
175 }
176
177 // Dictionary
178
179 inline v8::Local<v8::Value> ToV8(const IDLDictionaryBase& value,
180 v8::Local<v8::Object> creation_context,
181 v8::Isolate* isolate) {
182 return value.ToV8Impl(creation_context, isolate);
183 }
184
185 // Array 163 // Array
186 164
187 // Declare the function here but define it later so it can call the ToV8() 165 // Declare the function here but define it later so it can call the ToV8()
188 // overloads below. 166 // overloads below.
189 template <typename Sequence> 167 template <typename Sequence>
190 inline v8::Local<v8::Value> ToV8SequenceInternal( 168 inline v8::Local<v8::Value> ToV8SequenceInternal(
191 const Sequence&, 169 const Sequence&,
192 v8::Local<v8::Object> creation_context, 170 v8::Local<v8::Object> creation_context,
193 v8::Isolate*); 171 v8::Isolate*);
194 172
(...skipping 93 matching lines...) Expand 10 before | Expand all | Expand 10 after
288 // because of "unresolved external symbol". 266 // because of "unresolved external symbol".
289 // Without ToV8(void*, ...), call to toV8 with T* will match with 267 // Without ToV8(void*, ...), call to toV8 with T* will match with
290 // ToV8(bool, ...) if T is not a subclass of ScriptWrappable or if T is 268 // ToV8(bool, ...) if T is not a subclass of ScriptWrappable or if T is
291 // declared but not defined (so it's not clear that T is a subclass of 269 // declared but not defined (so it's not clear that T is a subclass of
292 // ScriptWrappable). 270 // ScriptWrappable).
293 // This hack helps detect such unwanted implicit conversions from T* to bool. 271 // This hack helps detect such unwanted implicit conversions from T* to bool.
294 v8::Local<v8::Value> ToV8(void* value, 272 v8::Local<v8::Value> ToV8(void* value,
295 v8::Local<v8::Object> creation_context, 273 v8::Local<v8::Object> creation_context,
296 v8::Isolate*) = delete; 274 v8::Isolate*) = delete;
297 275
298 // Cannot define in ScriptValue because of the circular dependency between toV8
299 // and ScriptValue
300 template <typename T>
301 inline ScriptValue ScriptValue::From(ScriptState* script_state, T&& value) {
302 return ScriptValue(script_state, ToV8(std::forward<T>(value), script_state));
303 }
304
305 } // namespace blink 276 } // namespace blink
306 277
307 #endif // ToV8ForPlatform_h 278 #endif // ToV8ForPlatform_h
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