//中介者模式
#include<iostream>
#include<string>
using namespace std;

class Mediator;

class Base{
	protected:
		Mediator * m;
	public:
		void Set(Mediator * m);
		virtual void Send(string Msg)=0;
		virtual void Out(string Msg)=0;
};

class Mediator{
	private:
		Base * pb, * pg;
	public:
		void Set(Base * pb,Base * pg);
		void Send(string Msg,Base * t);
};

class Boy:public Base{
	public:
		void Send(string Msg);
		void Out(string Msg);
};

class Girl:public Base{
	public:
		void Send(string Msg);
		void Out(string Msg);
};

//类内声明函数的实现
void Base::Set(Mediator * m){
	this->m=m;
}

void Boy::Send(string Msg){
	cout<<"男孩发出信息:"; 
	m->Send(Msg,this);
}

void Girl::Send(string Msg){
	cout<<"女孩发出信息:";
	m->Send(Msg,this);
}

void Girl::Out(string Msg){
	cout<<Msg<<endl;
	cout<<"女孩收到信息"<<endl;
}

void Boy::Out(string Msg){
	cout<<Msg<<endl;
	cout<<"男孩收到信息"<<endl;
}

void Mediator::Set(Base * pb,Base * pg){
	this->pb=pb;
	this->pg=pg;
}

void Mediator::Send(string Msg,Base * t){
	if(t!=pb){
		pb->Out(Msg);
	}else
		pg->Out(Msg);
}

int main(void)
{
	Boy * pb=new Boy();
	Girl * pg=new Girl();
	Mediator * pm=new Mediator();
	pm->Set(pb,pg);
	pb->Set(pm);
	pg->Set(pm);
	pb->Send("I love you");
	pg->Send("You are a good man");
	pb->Send("...");
	delete pb;
	delete pg;
	delete pm;
	return 0;
}