public static HeapCell.TDescriptorType DescriptorType(HeapCell aCell)
{
HeapCell.TDescriptorType ret = HeapCell.TDescriptorType.EUnknown;
//
int type = (int)(aCell.PossibleVTableAddress >> KDescriptorTypeShiftCount);
if (type >= (int)HeapCell.TDescriptorType.EBufC && type < (int)HeapCell.TDescriptorType.EUnknown)
{
ret = (HeapCell.TDescriptorType)type;
}
//
return(ret);
}
internal override bool IsDescriptor(HeapCell aCell, out DescriptorInfo aInfo)
{
// Base-class makes first pass.
bool isDes = base.IsDescriptor(aCell, out aInfo);
//
if (isDes)
{
DescriptorInfo info = new DescriptorInfo(aCell);
HeapCell.TDescriptorType type = info.Type;
// There needs to be at least two raw items, one for the descriptor type & length, and
// another for the max length.
if (type != HeapCell.TDescriptorType.EUnknown && RawItems.Count > 2 && type == HeapCell.TDescriptorType.EBuf)
{
// Now we can check if it meet our requirements...
int length = base.CalculatedDescriptorLength;
int maxLength = base.CalculatedDescriptorMaxLength;
//
bool allWerePrintableCharacers = false;
int printCharCount = PrintableCharacterCount(length, DesAsciiAlgorithmBase.KDescriptorRawItemOffsetEBufC, out allWerePrintableCharacers);
//
if (printCharCount == length && length <= maxLength)
{
aInfo = info;
aInfo.Text = ConvertToText(length, DesAsciiAlgorithmBase.KDescriptorRawItemOffsetEBufC);
isDes = true;
}
}
else if (type == HeapCell.TDescriptorType.EBufCPtr)
{
int x = 0;
x++;
}
}
//
return(isDes);
}
