Simple C++ State machine header

SMHeader.h

class MyClass;

typedef enum SMState {
  SMStateStart,
  SMStateOne,
  SMStateTwo,
  SMStateFinal,
  SMStateAny
} SMState;

typedef enum SMEvent {
  SMEventAlpha,
  SMEventBravo,
  SMEventCharlie,
  SMEventNoEvent
} SMEvent;

typedef SMState (MyClass::*SMTransitionFunc)();

typedef struct SMTransition {
  SMState state;
  SMEvent event;
  SMTransitionFunc tFunc;
} SMTransition;

class MyClass {
public:
  // Events - separate external and internal for clarity
  void recEventA();
  void recEventB();
  void recEventC();

  // Tell the world where we are right now
  SMState getState() { return curState; };

private:  
  // Transition functions
  SMState transToStart();
  SMState transToOne();
  SMState transToTwo();
  SMState transToFinal();
  SMState transDoNothing();
  // Transition table
  static SMTransition transitionTable[];
  
  SMState curState;
  SMEvent nextEvent;
}