internal ReadCursor(BufferSegment segment, int index)
{
_segment = segment;
_index = index;
}
public static BufferSegment Clone(ReadCursor beginBuffer, ReadCursor endBuffer, out BufferSegment lastSegment)
{
var beginOrig = beginBuffer.Segment;
var endOrig = endBuffer.Segment;
if (beginOrig == endOrig)
{
lastSegment = new BufferSegment(beginOrig.Buffer, beginBuffer.Index, endBuffer.Index);
return(lastSegment);
}
var beginClone = new BufferSegment(beginOrig.Buffer, beginBuffer.Index, beginOrig.End);
var endClone = beginClone;
beginOrig = beginOrig.Next;
while (beginOrig != endOrig)
{
endClone.Next = new BufferSegment(beginOrig.Buffer, beginOrig.Start, beginOrig.End);
endClone = endClone.Next;
beginOrig = beginOrig.Next;
}
lastSegment = new BufferSegment(endOrig.Buffer, endOrig.Start, endBuffer.Index);
endClone.Next = lastSegment;
return(beginClone);
}
internal ReadCursor(BufferSegment segment)
{
_segment = segment;
_index = segment?.Start ?? 0;
}