public StepCollection Execute(StepCollection stepCollection, ref CommandsStep currentStep)
{
stepCollection.AddStep(new Step(stepCollection.CharAtIndex));
currentStep = CommandsStep.IncreaseIndex;
return(stepCollection);
}
public StepCollection Execute(StepCollection stepCollection, ref CommandsStep currentStep)
{
stepCollection.RemoveLatestStep();
currentStep = CommandsStep.IncreaseIndex;
return(stepCollection);
}
public StepCollection Execute(StepCollection stepCollection, ref CommandsStep currentStep)
{
stepCollection.IncreaseIndex();
currentStep = CommandsStep.VerifyStep;
return(stepCollection);
}
public StepCollection Execute(StepCollection stepCollection, ref CommandsStep currentStep)
{
if (String.IsNullOrEmpty(stepCollection.Command))
{
currentStep = CommandsStep.InvalidEntrance;
}
else
{
currentStep = CommandsStep.VerifyStep;
}
return(stepCollection);
}
public StepCollection Execute(StepCollection stepCollection, ref CommandsStep currentStep)
{
if (stepCollection.VerifyIfCommandTerminated())
{
currentStep = CommandsStep.Finish;
}
else
{
var currentChar = stepCollection.CharAtIndex;
if (_commands.Contains(currentChar))
{
currentStep = CommandsStep.AddStep;
}
else if (currentChar.Equals(cancelLastOperation))
{
currentStep = CommandsStep.CancelLastOperation;
}
else
{
if (int.TryParse(currentChar.ToString(), out int numericChar))
{
if (currentStep == CommandsStep.CancelLastOperation)
{
currentStep = CommandsStep.InvalidEntrance;
}
else
{
currentStep = CommandsStep.AddRepeats;
}
}
else
{
currentStep = CommandsStep.InvalidEntrance;
}
}
}
return(stepCollection);
}
public StepCollection Execute(StepCollection stepCollection, ref CommandsStep currentStep)
{
if (stepCollection.StepsSize == 0 || stepCollection.Command[stepCollection.Index - 1].Equals('X'))
{
currentStep = CommandsStep.InvalidEntrance;
}
else
{
stepCollection.AddNumberToLatestStepRepeat(stepCollection.CharAtIndex);
if (stepCollection.LastStep().Times >= 2147483647 && !stepCollection.Command[stepCollection.Index + 1].Equals('X'))
{
currentStep = CommandsStep.InvalidEntrance;
}
else
{
currentStep = CommandsStep.IncreaseIndex;
}
}
return(stepCollection);
}