/// <summary>
/// Used to visit a next step, if there is a next step.
/// </summary>
/// <param name="nextStep">The nextStep<see cref="UserAgentTreeWalkerParser.PathContext"/>.</param>
private void VisitNext(UserAgentTreeWalkerParser.PathContext nextStep)
{
if (nextStep != null)
{
this.Visit(nextStep);
}
}
/// <summary>
/// Used to elaborate a previous step with N.
/// </summary>
/// <param name="nextStep">The previous step context.</param>
/// <param name="prevSteps">How many steps.</param>
/// <returns>null.</returns>
private object DoStepPrevN(UserAgentTreeWalkerParser.PathContext nextStep, int prevSteps)
{
this.FromHereItCannotBeInHashMapAnymore();
this.Add(new StepPrevN(prevSteps));
this.VisitNext(nextStep);
return(null); // Void
}
