private void SetIndex(int index, bool allowCurrent)
{
if (index < 0 || index >= NumFields)
{
throw new IndexOutOfRangeException();
}
if ((!allowCurrent || _reader.CurrentlyStreaming) ? index <= _lastIndex : index < _lastIndex)
{
throw new InvalidOperationException(
string.Format(resman.GetString("Row_Sequential_Field_Error"), index, _lastIndex + 1));
}
_reader.Skip(index - _lastIndex - 1);
_lastIndex = index;
}
private void Seek(int index, bool consume)
{
if (index < 0 || index >= NumFields)
{
throw new IndexOutOfRangeException();
}
var d = index - _i;
if (d < 0)
{
throw new InvalidOperationException(string.Format(L10N.RowSequentialFieldError, index, _i));
}
if (d > 0)
{
_reader.Skip(d);
_i += d;
}
if (consume)
{
_i++;
}
}
