NullObject_Exercise.cpp

Go to the documentation of this file.

 
 
#include <iostream>
 
#include "helpers/formatstring.h"
 
#include "NullObject_Exercise.h"
#include "Null_Object.h"
 
 
namespace DesignPatternExamples_cpp
{
 
    // ! [Using NullObject in C++]
    void NullObject_Exercise()
    {
        std::cout << std::endl;
        std::cout << "NullObject Exercise" << std::endl;
 
        MoveProcessor moveProcessor;
 
        // A stream of recognized and unrecognized move commands.  The
        // unrecognized commands do nothing.
        std::string moveString = "ur#ld!lr";
        std::cout << "  Showing the move commands:" << std::endl;
        moveProcessor.ShowMoveList(moveString);
 
        std::cout << "  Executing the move commands:" << std::endl;
        std::cout << Helpers::formatstring("    %s -> ", moveString.c_str());
        moveProcessor.ExecuteMoveList(moveString);
 
        std::cout << "  Done." << std::endl;
    }
    // ! [Using NullObject in C++]
 
} // end namespace