#include <map>
#include <string>
#include <stdio.h>
#include <functional>

using namespace std;

class Base
{
public:
        typedef std::function<void(int d)> CommandProc;
        typedef map<string,CommandProc> map_type;

protected:
        map_type processors;
public:
        Base() {
                processors.insert(map_type::value_type("BaseCommand",std::bind(&Base::BaseCommand, this, std::placeholders::_1)));

        }
        void Command (string str, int value) {
                map_type::iterator iter = processors.find(str);
                if(iter != processors.end())
                        (iter->second)(value);
        };
protected:
        void BaseCommand(int value) {
                printf("this is Base::BaseCommand with argument %d\n",value);
        }
};

class Child1 : public Base
{
protected:
        void MyCommand(int value) {
                printf("this is Child1::MyCommand with argument %d\n",value);
        }
public:
        Child1() {
                processors.insert(map_type::value_type("MyCommand",std::bind(&Child1::MyCommand, this, std::placeholders::_1)));
        }
};

class Child2 : public Base
{
protected:
        void MyCommand(int value) {
                printf("this is Child2::MyCommand with argument %d\n",value);
        }
public:
        Child2() {
                processors.insert(map_type::value_type("MyCommand",std::bind(&Child2::MyCommand, this, std::placeholders::_1)));

        }
};


int main(int argc, char* argv[])
{
        Child1 test1;
        test1.Command("BaseCommand",10);
        test1.Command("MyCommand",10);
        Child2 test2;
        test2.Command("BaseCommand",20);
        test2.Command("MyCommand",20);
}