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/*
* 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_info = { "Uint8ClampedArray", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(JSByteArray) };
JSByteArray::JSByteArray(ExecState* exec, Structure* structure, ByteArray* storage)
: JSNonFinalObject(exec->globalData(), structure)
, m_storage(storage)
{
}
JSByteArray::~JSByteArray()
{
ASSERT(jsCast<JSByteArray*>(this));
}
void JSByteArray::destroy(JSCell* cell)
{
jsCast<JSByteArray*>(cell)->JSByteArray::~JSByteArray();
}
Structure* JSByteArray::createStructure(JSGlobalData& globalData, JSGlobalObject* globalObject, JSValue prototype, const JSC::ClassInfo* classInfo)
{
return Structure::create(globalData, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), classInfo);
}
bool JSByteArray::getOwnPropertySlot(JSCell* cell, ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
{
JSByteArray* thisObject = jsCast<JSByteArray*>(cell);
bool ok;
unsigned index = propertyName.toUInt32(ok);
if (ok && thisObject->canAccessIndex(index)) {
slot.setValue(thisObject->getIndex(exec, index));
return true;
}
return JSObject::getOwnPropertySlot(thisObject, exec, propertyName, slot);
}
bool JSByteArray::getOwnPropertyDescriptor(JSObject* object, ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor)
{
JSByteArray* thisObject = jsCast<JSByteArray*>(object);
bool ok;
unsigned index = propertyName.toUInt32(ok);
if (ok && thisObject->canAccessIndex(index)) {
descriptor.setDescriptor(thisObject->getIndex(exec, index), DontDelete);
return true;
}
return JSObject::getOwnPropertyDescriptor(thisObject, exec, propertyName, descriptor);
}
bool JSByteArray::getOwnPropertySlotByIndex(JSCell* cell, ExecState* exec, unsigned propertyName, PropertySlot& slot)
{
JSByteArray* thisObject = jsCast<JSByteArray*>(cell);
if (thisObject->canAccessIndex(propertyName)) {
slot.setValue(thisObject->getIndex(exec, propertyName));
return true;
}
return JSObject::getOwnPropertySlot(thisObject, exec, Identifier::from(exec, propertyName), slot);
}
void JSByteArray::put(JSCell* cell, ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot)
{
JSByteArray* thisObject = jsCast<JSByteArray*>(cell);
bool ok;
unsigned index = propertyName.toUInt32(ok);
if (ok) {
thisObject->setIndex(exec, index, value);
return;
}
JSObject::put(thisObject, exec, propertyName, value, slot);
}
void JSByteArray::putByIndex(JSCell* cell, ExecState* exec, unsigned propertyName, JSValue value, bool)
{
jsCast<JSByteArray*>(cell)->setIndex(exec, propertyName, value);
}
void JSByteArray::getOwnPropertyNames(JSObject* object, ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
{
JSByteArray* thisObject = jsCast<JSByteArray*>(object);
unsigned length = thisObject->m_storage->length();
for (unsigned i = 0; i < length; ++i)
propertyNames.add(Identifier::from(exec, i));
JSObject::getOwnPropertyNames(thisObject, exec, propertyNames, mode);
}
}
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