/// <summary>
/// Advance the cursor forward given number of characters
/// </summary>
/// <param name="step">Value of step to MoveNext</param>
private void MoveNext(int step = 1)
{
try
{
for (int i = 0; i < step; i++)
{
// reset position when there is a newline
if (CurrentCharacter.Equals("\n"))
{
_position = 0;
_line++;
}
_input = _input.Remove(0, 1);
_position++;
}
}
catch (ArgumentOutOfRangeException)
{
_input = "";
}
}