stoplight.h

SMC takes a state machine stored in a .sm file and generates a State pattern in twelve programming l

#ifndef _H_STOPLIGHT
#define _H_STOPLIGHT

//
// The contents of this file are subject to the Mozilla Public
// License Version 1.1 (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of
// the License at http://www.mozilla.org/MPL/
// 
// Software distributed under the License is distributed on an "AS
// IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
// implied. See the License for the specific language governing
// rights and limitations under the License.
// 
// The Original Code is State Machine Compiler (SMC).
// 
// The Initial Developer of the Original Code is Charles W. Rapp.
// Portions created by Charles W. Rapp are
// Copyright (C) 2000 - 2003 Charles W. Rapp.
// All Rights Reserved.
// 
// Contributor(s): 
//
// Name
//	TheContext
//
// Description
//	When a state map executes an action, it is really calling a
//	member function in the context class.
//
// RCS ID
// $Id: stoplight.h,v 1.5 2005/05/28 13:31:18 cwrapp Exp $
//
// CHANGE LOG
// $Log: stoplight.h,v $
// Revision 1.5  2005/05/28 13:31:18  cwrapp
// Updated C++ examples.
//
// Revision 1.0  2003/12/14 19:26:30  charlesr
// Initial revision
//

#include "stoplightdefs.h"
#include "stoplight_sm.h"

namespace cpp_ex4
{
    class Stoplight
    {
    // Member data.
    public:
    protected:
    private:
        StoplightContext _fsm;

    // Member functions.
    public:
        // Default constructor. North-south road has the
        // initial green by default.
        Stoplight();

        // Specify the initial direction with
        // the green light.
        Stoplight(Directions direction);

        // Destructor.
        inline ~Stoplight() {};

        // Change a stoplight's color.
        void TurnLight(StopLights light, LightColors color);

        // Set a timer for the specified number of seconds.
        void SetTimer(int time);

        // This routine is called by SigalmHandler()
        // when a timer expires.
        inline void Timeout()
            { _fsm.Timeout(); };

    private:
        // Sets the initial state of the state map and the initial
        // timer.
        void Initialize(Directions direction);

    }; // end of class Stoplight
}; // end of namespace cpp_ex4

#endif