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1 /* | |
2 * Copyright (C) 2008, 2009, 2011 Google Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions are | |
6 * met: | |
7 * | |
8 * * Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * * Redistributions in binary form must reproduce the above | |
11 * copyright notice, this list of conditions and the following disclaimer | |
12 * in the documentation and/or other materials provided with the | |
13 * distribution. | |
14 * * Neither the name of Google Inc. nor the names of its | |
15 * contributors may be used to endorse or promote products derived from | |
16 * this software without specific prior written permission. | |
17 * | |
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
29 */ | |
30 | |
31 #include "config.h" | |
32 #include "bindings/v8/ScriptValue.h" | |
33 | |
34 #include "bindings/v8/ScriptState.h" | |
35 #include "bindings/v8/V8Binding.h" | |
36 #include "platform/JSONValues.h" | |
37 | |
38 namespace WebCore { | |
39 | |
40 ScriptValue::~ScriptValue() | |
41 { | |
42 } | |
43 | |
44 v8::Handle<v8::Value> ScriptValue::v8Value() const | |
45 { | |
46 if (isEmpty()) | |
47 return v8::Handle<v8::Value>(); | |
48 | |
49 ASSERT(isolate()->InContext()); | |
50 | |
51 // This is a check to validate that you don't return a ScriptValue to a worl
d different | |
52 // from the world that created the ScriptValue. | |
53 // Probably this could be: | |
54 // if (&m_scriptState->world() == &DOMWrapperWorld::current(isolate())) | |
55 // return v8::Handle<v8::Value>(); | |
56 // instead of triggering RELEASE_ASSERT. | |
57 RELEASE_ASSERT(&m_scriptState->world() == &DOMWrapperWorld::current(isolate(
))); | |
58 return m_value->newLocal(isolate()); | |
59 } | |
60 | |
61 bool ScriptValue::toString(String& result) const | |
62 { | |
63 if (isEmpty()) | |
64 return false; | |
65 | |
66 ScriptState::Scope scope(m_scriptState.get()); | |
67 v8::Handle<v8::Value> string = v8Value(); | |
68 if (string.IsEmpty() || !string->IsString()) | |
69 return false; | |
70 result = toCoreString(v8::Handle<v8::String>::Cast(string)); | |
71 return true; | |
72 } | |
73 | |
74 PassRefPtr<JSONValue> ScriptValue::toJSONValue(ScriptState* scriptState) const | |
75 { | |
76 ASSERT(!scriptState->contextIsEmpty()); | |
77 ScriptState::Scope scope(scriptState); | |
78 return v8ToJSONValue(scriptState->isolate(), v8Value(), JSONValue::maxDepth)
; | |
79 } | |
80 | |
81 } // namespace WebCore | |
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