public override int Read()
{
Monitor.Enter(_syncRoot);
try
{
if (_lineIndex < -1)
{
throw new ObjectDisposedException(GetType().AssemblyQualifiedName);
}
if (_lineIndex < 0)
{
throw new InvalidOperationException("Stream reader has already been closed.");
}
EnsureCharBuffer(1);
char[] c = _charBuffer.Read(1);
if (c.Length == 0)
{
return(-1);
}
_charPosition++;
if (c[0] == '\r')
{
if (_crFlag)
{
_linePositions.AddLast(new Tuple <long, long>(BytePosition, _charPosition));
_lineIndex++;
}
else
{
_crFlag = true;
}
}
else if (c[0] == '\n')
{
_linePositions.AddLast(new Tuple <long, long>(BytePosition, _charPosition));
_lineIndex++;
_crFlag = false;
}
else if (_crFlag)
{
_linePositions.AddLast(new Tuple <long, long>(BytePosition, _charPosition));
_lineIndex++;
_crFlag = false;
}
return((int)(c[0]));
}
finally { Monitor.Exit(_syncRoot); }
}
