/*

 * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 * 1.  Redistributions of source code must retain the above copyright

 *     notice, this list of conditions and the following disclaimer. 

 * 2.  Redistributions in binary form must reproduce the above copyright

 *     notice, this list of conditions and the following disclaimer in the

 *     documentation and/or other materials provided with the distribution. 

 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of

 *     its contributors may be used to endorse or promote products derived

 *     from this software without specific prior written permission. 

 *

 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY

 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY

 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#include "config.h"

#include "ScriptValue.h"

#include "SerializedScriptValue.h"

#include <JavaScriptCore/APICast.h>

#include <JavaScriptCore/JSValueRef.h>

#include <runtime/JSLock.h>

#include <runtime/Protect.h>

#include <runtime/UString.h>

using namespace JSC;

namespace WebCore {

bool ScriptValue::getString(ScriptState* scriptState, String& result) const

{

    if (!m_value)

        return false;

    JSLock lock(SilenceAssertionsOnly);

    UString ustring;

    if (!m_value.get().getString(scriptState, ustring))

        return false;

    result = ustringToString(ustring);

    return true;

}

bool ScriptValue::isEqual(ScriptState* scriptState, const ScriptValue& anotherValue) const

{

    if (hasNoValue())

        return anotherValue.hasNoValue();

    return JSValueIsEqual(toRef(scriptState), toRef(scriptState, jsValue()), toRef(scriptState, anotherValue.jsValue()), 0);

}

bool ScriptValue::isNull() const

{

    if (!m_value)

        return false;

    return m_value.get().isNull();

}

bool ScriptValue::isUndefined() const

{

    if (!m_value)

        return false;

    return m_value.get().isUndefined();

}

bool ScriptValue::isObject() const

{

    if (!m_value)

        return false;

    return m_value.get().isObject();

}

PassRefPtr<SerializedScriptValue> ScriptValue::serialize(ScriptState* scriptState)

{

    return SerializedScriptValue::create(scriptState, jsValue());

}

ScriptValue ScriptValue::deserialize(ScriptState* scriptState, SerializedScriptValue* value)

{

    return ScriptValue(value->deserialize(scriptState, scriptState->lexicalGlobalObject()));

}

} // namespace WebCore