public override void Fail(LittleState.StateArgs arg) => MenuFunctions.Fail(arg);
public override void Fail(LittleState.StateArgs arg) => CalculatorFuncitons.Fail(arg);
public static void Fail(LittleState.StateArgs arg)
{
Console.WriteLine("Fail caused by ", arg.failException.Message);
}
public override void Fail(LittleState.StateArgs arg) => DisplayFunctions.Fail(arg);
static void StateMachine()
{
LittleState.LittleProgram mainProgram = new Runner();
LittleState.LittleEvent lEvent = new MenuEvent(); // Program always starts with a menu.
while (mainProgram.state == LittleState.mainState.Running)
{
// New creation to prevent NullReferenceException.
LittleState.ReturnObject retObj = new LittleState.ReturnObject();
LittleState.StateArgs arg = new LittleState.StateArgs();
switch (lEvent.current)
{
case LittleState.EventState.Init: // Init is set as start value. After creation current is always set to Init.
{
// retObj is the object of the function of this state.
retObj = lEvent.Init();
arg = retObj.returnArguments;
switch (retObj.returnState)
{
case LittleState.FunctionResult.Success:
{
//Insert commands if the function succeded.
lEvent.ChangeTo(LittleState.EventState.Idle);
break;
}
case LittleState.FunctionResult.Fail:
{
//Insert commands to do if the function failed.
lEvent.Fail(arg);
break;
}
}
break;
}
case LittleState.EventState.Idle:
{
retObj = lEvent.Idle(lEvent);
arg = retObj.returnArguments;
switch (retObj.returnState)
{
case LittleState.FunctionResult.Success:
{
//Insert commands if the function succeded.
lEvent.ChangeTo(LittleState.EventState.Finish);
break;
}
case LittleState.FunctionResult.Fail:
{
//Insert commands to do if the function failed.
lEvent.Fail(arg);
break;
}
}
break;
}
case LittleState.EventState.Finish:
{
retObj = lEvent.Finish();
arg = retObj.returnArguments;
switch (retObj.returnState)
{
case LittleState.FunctionResult.Success:
{
//Insert commands if the function succeded.
lEvent.ChangeTo(LittleState.EventState.Done);
break;
}
case LittleState.FunctionResult.Fail:
{
//Insert commands to do if the function failed.
lEvent.Fail(arg);
break;
}
}
break;
}
case LittleState.EventState.Done:
{
retObj = lEvent.Done();
arg = retObj.returnArguments;
switch (retObj.returnState)
{
case LittleState.FunctionResult.Success:
{
//Insert commands if the function succeded.
break;
}
case LittleState.FunctionResult.Fail:
{
//Insert commands to do if the function failed.
lEvent.Fail(arg);
break;
}
}
// Set to paused if que is empty and menu has endet.
if (MainValues.eventQue.Count == 0 && lEvent.info().isRoot == true)
{
mainProgram.state = LittleState.mainState.Paused;
}
// If que is not empty execute next event.
else if (MainValues.eventQue.Count > 0)
{
lEvent = MainValues.eventQue[0];
MainValues.eventQue.RemoveAt(0);
}
// If last item of the que has endet and it was not the menu, go to the menu.
else if (MainValues.eventQue.Count == 0 && lEvent.info().isRoot != true)
{
Console.WriteLine("Letztes Item. Zurück zum Menu");
lEvent = new MenuEvent();
}
break;
}
}
switch (mainProgram.state)
{
case LittleState.mainState.Done:
{
mainProgram.Done();
break;
}
case LittleState.mainState.Fail:
{
mainProgram.Fail();
break;
}
case LittleState.mainState.Paused:
{
LittleState.ReturnObject retObjPrg = mainProgram.Paused();
if (retObjPrg.shallContinueProgram)
{
mainProgram.state = LittleState.mainState.Running;
lEvent.current = LittleState.EventState.Init;
}
break;
}
}
}
Console.ReadKey();
}
