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/core/v8/ScriptValue.h"
33
34 #include "bindings/core/v8/ScriptState.h"
35 #include "bindings/core/v8/V8Binding.h"
36 #include "platform/JSONValues.h"
37
38 namespace blink {
39
v8Value() const40 v8::Handle<v8::Value> ScriptValue::v8Value() const
41 {
42 if (isEmpty())
43 return v8::Handle<v8::Value>();
44
45 ASSERT(isolate()->InContext());
46
47 // This is a check to validate that you don't return a ScriptValue to a world different
48 // from the world that created the ScriptValue.
49 // Probably this could be:
50 // if (&m_scriptState->world() == &DOMWrapperWorld::current(isolate()))
51 // return v8::Handle<v8::Value>();
52 // instead of triggering RELEASE_ASSERT.
53 RELEASE_ASSERT(&m_scriptState->world() == &DOMWrapperWorld::current(isolate()));
54 return m_value->newLocal(isolate());
55 }
56
v8ValueUnsafe() const57 v8::Handle<v8::Value> ScriptValue::v8ValueUnsafe() const
58 {
59 if (isEmpty())
60 return v8::Handle<v8::Value>();
61 return m_value->newLocal(isolate());
62 }
63
toString(String & result) const64 bool ScriptValue::toString(String& result) const
65 {
66 if (isEmpty())
67 return false;
68
69 ScriptState::Scope scope(m_scriptState.get());
70 v8::Handle<v8::Value> string = v8Value();
71 if (string.IsEmpty() || !string->IsString())
72 return false;
73 result = toCoreString(v8::Handle<v8::String>::Cast(string));
74 return true;
75 }
76
toJSONValue(ScriptState * scriptState) const77 PassRefPtr<JSONValue> ScriptValue::toJSONValue(ScriptState* scriptState) const
78 {
79 ASSERT(!scriptState->contextIsValid());
80 ScriptState::Scope scope(scriptState);
81 return v8ToJSONValue(scriptState->isolate(), v8Value(), JSONValue::maxDepth);
82 }
83
84 } // namespace blink
85