Direction.h

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#ifndef __DIRECTION__H__
#define __DIRECTION__H__

#include "common.h"
#include "Conversions.h"

class Direction {
public:
        enum Directions {
                UP = 1,
                DOWN,
                LEFT,
                RIGHT
        };

         Direction(Directions direction = UP):
                currentDirection(direction) {}

         explicit Direction(int direction) {
                if (direction < UP || direction > RIGHT) {
                        THROW(ExceptionBadDirection, string("Direction number ") +
                                Conversions::ToString(direction) + " is illegal.");
                }

                currentDirection = static_cast<Directions>(direction);
         }

         ~Direction() {}

        Directions GetDirection() const {
                return currentDirection;
        }

        void SetDirection(Directions newDirection) {
                currentDirection = newDirection;
        }

private:
        Directions currentDirection;
};

#endif /* #ifndef __DIRECTION__H__ */

/* End of file Direction.h */

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