#include "config.h"
#include "JSByteArray.h"
#include "JSGlobalObject.h"
#include "PropertyNameArray.h"
using namespace WTF;
namespace JSC {
const ClassInfo JSByteArray::s_defaultInfo = { "ByteArray", &Base::s_info, 0, 0 };
JSByteArray::JSByteArray(ExecState* exec, Structure* structure, ByteArray* storage)
: JSNonFinalObject(exec->globalData(), structure)
, m_storage(storage)
{
putDirect(exec->globalData(), exec->globalData().propertyNames->length, jsNumber(m_storage->length()), ReadOnly | DontDelete);
}
#if !ASSERT_DISABLED
JSByteArray::~JSByteArray()
{
ASSERT(vptr() == JSGlobalData::jsByteArrayVPtr);
}
#endif
Structure* JSByteArray::createStructure(JSGlobalData& globalData, JSValue prototype, const JSC::ClassInfo* classInfo)
{
return Structure::create(globalData, prototype, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount, classInfo);
}
bool JSByteArray::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
{
bool ok;
unsigned index = propertyName.toUInt32(ok);
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);
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);
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);
}
}