public LineViewModel FilterLine(LineViewModel line)
{
if (line == null)
return null;
return _filterRegex == null || _filterRegex.IsMatch(line.Text) ? line : null;
}
private LineViewModel ReadNewLine(byte lastLineCharacter, bool isLineUnfinished)
{
int length = _currentReadPosition - _currentLineIndex;
if (lastLineCharacter == '\r')
{
length--;
}
// New line reached
LineViewModel newLine = null;
// Check if an unfinished line was being read
if (_currentUnfinishedLine != null)
{
// Just update the current line with a new length
_currentUnfinishedLine.Length = length;
}
else
{
newLine = new LineViewModel(_currentLineNumber++, _currentLineIndex, length, _fileName, _encoding);
}
if (isLineUnfinished)
{
_currentUnfinishedLine = newLine ?? _currentUnfinishedLine;
}
else
{
_currentLineIndex = _currentReadPosition + 1;
_currentUnfinishedLine = null;
}
return newLine;
}
private void InitializeReadParameters()
{
_currentLineNumber = 1;
_currentLineIndex = 0;
_currentReadPosition = 0;
_previousReadLastByte = 0;
_currentUnfinishedLine = null;
}
