public override IDataFormat CreateDataFormat(IDataModel data, int index)
{
var offsets = ConvertByteOffsetToArrayOffset(index);
var currentSegment = ElementContent[offsets.SegmentIndex];
if (currentSegment.Type == ElementContentType.PCS)
{
if (currentCachedStartIndex != offsets.SegmentStart || currentCachedIndex > offsets.SegmentOffset)
{
currentCachedStartIndex = offsets.SegmentStart;
currentCachedIndex = offsets.SegmentOffset;
cachedCurrentString = PCSString.Convert(data, offsets.SegmentStart, currentSegment.Length);
}
return(PCSRun.CreatePCSFormat(data, offsets.SegmentStart, index, cachedCurrentString));
}
var position = index - offsets.SegmentStart;
if (currentSegment.Type == ElementContentType.Integer)
{
if (currentSegment is ArrayRunEnumSegment enumSegment)
{
var value = enumSegment.ToText(data, index);
return(new IntegerEnum(offsets.SegmentStart, position, value, currentSegment.Length));
}
else
{
var value = ArrayRunElementSegment.ToInteger(data, offsets.SegmentStart, currentSegment.Length);
return(new Integer(offsets.SegmentStart, position, value, currentSegment.Length));
}
}
if (currentSegment.Type == ElementContentType.Pointer)
{
var destination = data.ReadPointer(offsets.SegmentStart);
var destinationName = data.GetAnchorFromAddress(offsets.SegmentStart, destination);
return(new Pointer(offsets.SegmentStart, position, destination, destinationName));
}
if (currentSegment.Type == ElementContentType.BitArray)
{
return(new BitArray(offsets.SegmentStart, position, currentSegment.Length));
}
throw new NotImplementedException();
}
public override IDataFormat CreateDataFormat(IDataModel data, int index)
{
var naturalLength = ElementCount * ElementLength;
var naturalStop = Start + naturalLength;
if (index >= naturalStop)
{
return(new EndStream(naturalStop, index - naturalStop, Length - naturalLength));
}
var offsets = this.ConvertByteOffsetToArrayOffset(index);
var currentSegment = ElementContent[offsets.SegmentIndex];
if (currentSegment.Type == ElementContentType.PCS)
{
if (currentCachedStartIndex != offsets.SegmentStart || currentCachedIndex > offsets.SegmentOffset)
{
currentCachedStartIndex = offsets.SegmentStart;
currentCachedIndex = offsets.SegmentOffset;
cachedCurrentString = data.TextConverter.Convert(data, offsets.SegmentStart, currentSegment.Length);
}
var pcsFormat = PCSRun.CreatePCSFormat(data, offsets.SegmentStart, index, cachedCurrentString);
if (offsets.SegmentIndex == 0)
{
return(new StreamEndDecorator(pcsFormat));
}
return(pcsFormat);
}
var format = this.CreateSegmentDataFormat(data, index);
if (offsets.SegmentIndex == 0)
{
return(new StreamEndDecorator(format));
}
return(format);
}