public IList <Memory <byte> > GetSegments()
{
var list = new List <Memory <byte> >();
foreach (var segment in _completedSegments)
{
list.Add(segment);
}
if (CurrentSegment.Length > 0)
{
list.Add(CurrentSegment.Slice(0, Position));
}
return(list);
}
public Memory <byte> GetMemory(int sizeHint = 0)
{
// Need special handling for sizeHint == 0, because for that we want to enter the if even if there are "sizeHint" (i.e. 0) bytes left :).
if ((sizeHint == 0 && CurrentSegment.Length == Position) || (CurrentSegment.Length - Position < sizeHint))
{
if (Position > 0)
{
// Complete the current segment
_completedSegments.Add(CurrentSegment.Slice(0, Position));
}
// Allocate a new segment and reset the position.
CurrentSegment = new Memory <byte>(new byte[_segmentSize]);
Position = 0;
}
return(CurrentSegment.Slice(Position, CurrentSegment.Length - Position));
}
public static List <PointCollection> SlplitPlot(PointCollection Plot, double Width, double Height, RepresentationParameters RepresentationParameters)
{
PointCollection CurrentSegment = new PointCollection();
List <PointCollection> PointCollectionList = new List <PointCollection>();
CurrentSegment.Add(Plot[0]);
for (int i = 1; i < Width; i++)
{
if (Math.Abs(Plot[i - 1].Y - Plot[i].Y) > Height)
{
PointCollectionList.Add(CurrentSegment);
CurrentSegment = new PointCollection();
}
else
{
CurrentSegment.Add(Plot[i]);
}
}
PointCollectionList.Add(CurrentSegment);
return(PointCollectionList);
}
void Validate()
{
try
{
switch (Kind)
{
case ObjectKind.Struct:
CurrentSegment.Slice(Offset, StructDataCount + StructPtrCount);
break;
case ObjectKind.ListOfBits:
GetRawBits();
break;
case ObjectKind.ListOfBytes:
GetRawBytes();
break;
case ObjectKind.ListOfInts:
GetRawInts();
break;
case ObjectKind.ListOfLongs:
case ObjectKind.ListOfPointers:
GetRawLongs();
break;
case ObjectKind.ListOfStructs:
CurrentSegment.Slice(Offset, checked (ListElementCount * (StructDataCount + StructPtrCount)));
break;
}
}
catch (Exception problem)
{
throw new DeserializationException("Invalid wire pointer", problem);
}
}
public byte[] ToArray()
{
if (CurrentSegment.IsEmpty && _completedSegments.Count == 0)
{
return(Array.Empty <byte>());
}
var result = new byte[_totalLength];
var totalWritten = 0;
// Copy completed segments
foreach (var segment in _completedSegments)
{
segment.CopyTo(result.AsMemory(totalWritten, segment.Length));
totalWritten += segment.Length;
}
// Copy current segment
CurrentSegment.Slice(0, Position).CopyTo(result.AsMemory(totalWritten, Position));
return(result);
}
ReadOnlySpan <ulong> GetRawLongs() => CurrentSegment.Slice(Offset, ListElementCount);
ReadOnlySpan <ulong> GetRawInts() => CurrentSegment.Slice(Offset, (ListElementCount + 1) / 2);
ReadOnlySpan <ulong> GetRawShorts() => CurrentSegment.Slice(Offset, (ListElementCount + 3) / 4);
ReadOnlySpan <ulong> GetRawBytes() => CurrentSegment.Slice(Offset, (ListElementCount + 7) / 8);
ReadOnlySpan <ulong> GetRawBits() => CurrentSegment.Slice(Offset, (ListElementCount + 63) / 64);
public void VisitCurrent(CurrentSegment node, GlobVisitorContext context)
{
node.Next.Accept(this, context);
}
