state_machine.h

#ifndef _ELMA_STATE_MACHINE_H
#define _ELMA_STATE_MACHINE_H

#include "elma.h"

namespace elma {


    class StateMachine : public Process { 

        public:

        StateMachine(std::string name) : Process(name), _initial(NULL), _current(NULL), _propagate(false) {}

        StateMachine() : Process("unnamed state machine"), _initial(NULL), _current(NULL), _propagate(false) {}

        StateMachine& set_initial(State& s);

        StateMachine& add_transition(std::string event_name, State& from, State& to);

        inline StateMachine& set_propagate(bool val) { _propagate = val; return *this; }

        inline vector<Transition> transitions() { return _transitions; }

        State& current() { return *_current; }

        void init();

        void start();

        void update();

        void stop();

        protected:
        vector<Transition> _transitions;
        State * _initial;
        State * _current;
        bool _propagate;

    };

}

#endif