/*

 * Copyright (C) 2009 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.

 *

 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 INC. OR

 * 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 "JSByteArray.h"

#include "JSGlobalObject.h"

#include "PropertyNameArray.h"

using namespace WTF;

namespace JSC {

const ClassInfo JSByteArray::s_defaultInfo = { "ByteArray", 0, 0, 0 };

JSByteArray::JSByteArray(ExecState* exec, NonNullPassRefPtr<Structure> structure, ByteArray* storage, const JSC::ClassInfo* classInfo)

    : JSObject(structure)

    , m_storage(storage)

    , m_classInfo(classInfo)

{

    putDirect(exec->globalData().propertyNames->length, jsNumber(exec, m_storage->length()), ReadOnly | DontDelete);

}

#if !ASSERT_DISABLED

JSByteArray::~JSByteArray()

{

    ASSERT(vptr() == JSGlobalData::jsByteArrayVPtr);

}

#endif

PassRefPtr<Structure> JSByteArray::createStructure(JSValue prototype)

{

    PassRefPtr<Structure> result = Structure::create(prototype, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount);

    return result;

}

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

{

    bool ok;

    unsigned index = propertyName.toUInt32(&ok, false);

    if (ok && canAccessIndex(index)) {

        slot.setValue(getIndex(exec, index));

        return true;

    }

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

}

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

{

    bool ok;

    unsigned index = propertyName.toUInt32(&ok, false);

    if (ok && canAccessIndex(index)) {

        descriptor.setDescriptor(getIndex(exec, index), DontDelete);

        return true;

    }

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

}

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

{

    if (canAccessIndex(propertyName)) {

        slot.setValue(getIndex(exec, propertyName));

        return true;

    }

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

}

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

{

    bool ok;

    unsigned index = propertyName.toUInt32(&ok, false);

    if (ok) {

        setIndex(exec, index, value);

        return;

    }

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

}

void JSByteArray::put(ExecState* exec, unsigned propertyName, JSValue value)

{

    setIndex(exec, propertyName, value);

}

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

{

    unsigned length = m_storage->length();

    for (unsigned i = 0; i < length; ++i)

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

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

}

}