1/*
2 * Copyright (c) 2008, 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#ifndef ScriptValue_h
32#define ScriptValue_h
33
34#include "JSDOMBinding.h"
35#include "PlatformString.h"
36#include "SerializedScriptValue.h"
37#include "ScriptState.h"
38#include <heap/Strong.h>
39#include <runtime/JSValue.h>
40#include <wtf/PassRefPtr.h>
41
42namespace WebCore {
43
44class InspectorValue;
45class SerializedScriptValue;
46
47class ScriptValue {
48public:
49    ScriptValue() { }
50    ScriptValue(JSC::JSGlobalData& globalData, JSC::JSValue value) : m_value(globalData, value) {}
51    virtual ~ScriptValue() {}
52
53    JSC::JSValue jsValue() const { return m_value.get(); }
54    bool getString(ScriptState*, String& result) const;
55    String toString(ScriptState*) const;
56    bool isEqual(ScriptState*, const ScriptValue&) const;
57    bool isNull() const;
58    bool isUndefined() const;
59    bool isObject() const;
60    bool isFunction() const;
61    bool hasNoValue() const { return !m_value; }
62
63    bool operator==(const ScriptValue& other) const { return m_value == other.m_value; }
64
65    PassRefPtr<SerializedScriptValue> serialize(ScriptState*, SerializationErrorMode = Throwing);
66    static ScriptValue deserialize(ScriptState*, SerializedScriptValue*, SerializationErrorMode = Throwing);
67
68    static ScriptValue undefined();
69
70#if ENABLE(INSPECTOR)
71    PassRefPtr<InspectorValue> toInspectorValue(ScriptState*) const;
72#endif
73
74private:
75    JSC::Strong<JSC::Unknown> m_value;
76};
77
78} // namespace WebCore
79
80#endif // ScriptValue_h
81