public TerminalLocation <T> Evaluate(byte[] buffer, int bufferLength, bool isFinalBuffer, int lastNetBufferEffect, ref int bufferPosition)
{
TerminalLocation <T> terminal;
_sequenceNumber += lastNetBufferEffect;
int sequenceNumberToBufferPositionRelationship = _sequenceNumber - bufferPosition;
int originalSequenceNumber = _sequenceNumber;
if (lastNetBufferEffect != 0 || !_evaluator.TryGetNext(isFinalBuffer && bufferPosition >= bufferLength, ref _sequenceNumber, out terminal))
{
while (!_evaluator.Accept(buffer[bufferPosition], ref _sequenceNumber, out terminal))
{
++_sequenceNumber;
++bufferPosition;
if (bufferPosition >= bufferLength)
{
if (!isFinalBuffer)
{
break;
}
else
{
_evaluator.FinalizeMatchesInProgress(ref _sequenceNumber, out terminal);
break;
}
}
originalSequenceNumber = _sequenceNumber;
}
}
if (terminal != null)
{
terminal.Location -= sequenceNumberToBufferPositionRelationship;
if (originalSequenceNumber > _sequenceNumber + 1)
{
int expectedShift = terminal.Terminal.Length - terminal.Terminal.End - 1;
if (expectedShift == 0)
{
int actualShift = originalSequenceNumber - _sequenceNumber - 1;
int compensation = actualShift - expectedShift;
bufferPosition -= compensation;
}
}
}
return(terminal);
}
public TerminalLocation <T> Evaluate(byte[] buffer, int bufferLength, bool isFinalBuffer, int lastNetBufferEffect, ref int bufferPosition)
{
TerminalLocation <T> terminal;
_sequenceNumber += lastNetBufferEffect;
int sequenceNumberToBufferPositionRelationship = _sequenceNumber - bufferPosition;
if (lastNetBufferEffect != 0 || !_evaluator.TryGetNext(isFinalBuffer && bufferPosition >= bufferLength, ref _sequenceNumber, out terminal))
{
while (!_evaluator.Accept(buffer[bufferPosition], ref _sequenceNumber, out terminal))
{
++_sequenceNumber;
++bufferPosition;
if (bufferPosition >= bufferLength)
{
if (!isFinalBuffer)
{
break;
}
else
{
_evaluator.FinalizeMatchesInProgress(ref _sequenceNumber, out terminal);
break;
}
}
}
}
if (terminal != null)
{
terminal.Location -= sequenceNumberToBufferPositionRelationship;
}
return(terminal);
}