internal ReadableBuffer(ReadCursor start, ReadCursor end)
{
_start = start;
_end = end;
start.TryGetBuffer(end, out _first);
_length = -1;
}
internal ReadableBuffer(ReadCursor start, ReadCursor end)
{
_start = start;
_end = end;
if (!end.IsEnd && !end.GreaterOrEqual(start))
{
throw new ArgumentException("End should be greater or equal to start");
}
start.TryGetBuffer(end, out _first, out start);
_length = -1;
}
private ReadableBuffer(ref ReadableBuffer buffer)
{
var begin = buffer._start;
var end = buffer._end;
BufferSegment segmentTail;
var segmentHead = BufferSegment.Clone(begin, end, out segmentTail);
begin = new ReadCursor(segmentHead);
end = new ReadCursor(segmentTail, segmentTail.End);
_start = begin;
_end = end;
_length = buffer._length;
begin.TryGetBuffer(end, out _first, out begin);
}