public bool TryFindPosition(byte[] value, out SequencePosition lastPosition)
{
if (value == null || value.Length == 0)
{
throw new ArgumentNullException(nameof(value));
}
int valueLength = value.Length;
if (valueLength == 1)
{
if (this.TryFindPosition(value[valueLength - 1], out lastPosition))
{
lastPosition.Offet(1);
}
}
SequencePosition startPosition = this.buffer.Start;
while (true)
{
if (startPosition.GetInteger() >= this.buffer.End.GetInteger())
{
break;
}
if (this.TryFindPosition(value[valueLength - 1], out var endPos))
{
var tempEndPos = endPos.Offet(1);
var startPos = this.GetStartPosition(ref tempEndPos, valueLength);
var tempSequence = this.buffer.Slice(startPos, tempEndPos);
if (this.VerifySequence(ref tempSequence, value))
{
lastPosition = tempEndPos;
return(true);
}
startPosition = tempEndPos;
}
}
lastPosition = default;
return(false);
}
