/*

 *  Copyright (C) 1999-2001 Harri Porten (porten@kde.org)

 *  Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.

 *

 *  This library is free software; you can redistribute it and/or

 *  modify it under the terms of the GNU Lesser General Public

 *  License as published by the Free Software Foundation; either

 *  version 2 of the License, or (at your option) any later version.

 *

 *  This library is distributed in the hope that it will be useful,

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 *  Lesser General Public License for more details.

 *

 *  You should have received a copy of the GNU Lesser General Public

 *  License along with this library; if not, write to the Free Software

 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

 *

 */

#include "config.h"

#include "StringObject.h"

#include "PropertyNameArray.h"

namespace JSC {

ASSERT_CLASS_FITS_IN_CELL(StringObject);

const ClassInfo StringObject::info = { "String", 0, 0, 0 };

StringObject::StringObject(ExecState* exec, NonNullPassRefPtr<Structure> structure)

    : JSWrapperObject(structure)

{

    setInternalValue(jsEmptyString(exec));

}

StringObject::StringObject(NonNullPassRefPtr<Structure> structure, JSString* string)

    : JSWrapperObject(structure)

{

    setInternalValue(string);

}

StringObject::StringObject(ExecState* exec, NonNullPassRefPtr<Structure> structure, const UString& string)

    : JSWrapperObject(structure)

{

    setInternalValue(jsString(exec, string));

}

bool StringObject::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)

{

    if (internalValue()->getStringPropertySlot(exec, propertyName, slot))

        return true;

    return JSObject::getOwnPropertySlot(exec, propertyName, slot);

}

bool StringObject::getOwnPropertySlot(ExecState* exec, unsigned propertyName, PropertySlot& slot)

{

    if (internalValue()->getStringPropertySlot(exec, propertyName, slot))

        return true;    

    return JSObject::getOwnPropertySlot(exec, Identifier::from(exec, propertyName), slot);

}

bool StringObject::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor)

{

    if (internalValue()->getStringPropertyDescriptor(exec, propertyName, descriptor))

        return true;    

    return JSObject::getOwnPropertyDescriptor(exec, propertyName, descriptor);

}

void StringObject::put(ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot)

{

    if (propertyName == exec->propertyNames().length)

        return;

    JSObject::put(exec, propertyName, value, slot);

}

bool StringObject::deleteProperty(ExecState* exec, const Identifier& propertyName)

{

    if (propertyName == exec->propertyNames().length)

        return false;

    bool isStrictUInt32;

    unsigned i = propertyName.toStrictUInt32(&isStrictUInt32);

    if (isStrictUInt32 && internalValue()->canGetIndex(i))

        return false;

    return JSObject::deleteProperty(exec, propertyName);

}

void StringObject::getOwnPropertyNames(ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)

{

    int size = internalValue()->length();

    for (int i = 0; i < size; ++i)

        propertyNames.add(Identifier(exec, UString::from(i)));

    if (mode == IncludeDontEnumProperties)

        propertyNames.add(exec->propertyNames().length);

    return JSObject::getOwnPropertyNames(exec, propertyNames, mode);

}

} // namespace JSC