c++组合设计模式

//

//  main.cpp

//  PlusApp

//

//  Created by Mr Gan on 12/18/14.

//  Copyright (c) 2014 Mr Gan. All rights reserved.

//

#include <iostream>

#include <vector>

using namespace std;

class Composite

{

    

public:

    Composite(string name):m_strName(name){}

    virtual ~Composite(){}

    virtual void operation() = 0;

    virtual void add(Composite *p){};

    virtual void del(Composite *p){};

    

protected:

    string m_strName;

    

};

class LeafComposite : public Composite

{

    

public:

    LeafComposite(string name):Composite(name){}

    virtual ~LeafComposite(){}

     void operation();

};

void LeafComposite::operation()

{

    cout << m_strName << endl;

}

class SubComposite : public Composite

{

    

public:

    SubComposite(string name):Composite(name){}

    virtual ~SubComposite(){}

     void operation();

    virtual void add(Composite *p);

    virtual void del(Composite *p);

private:

    vector<Composite*> m_vc;

    

};

void SubComposite::operation()

{

    cout << m_strName << endl;

    vector<Composite*>::iterator tem = m_vc.begin();

    for (; tem != m_vc.end(); ++tem)

    {

        (*tem)->operation();

    }

    

}

void SubComposite::add(Composite *p)

{

    m_vc.push_back(p);

}

void SubComposite::del(Composite *p)

{

    

    vector<Composite*>::iterator tem = m_vc.begin();

    for (; tem != m_vc.end(); ++tem)

    {

        if (*tem == p)

        {

            m_vc.erase(tem);

        }

    }

}

int main(int argc, const char * argv[]) {

    // insert code here...

    

    

    LeafComposite *apple= new LeafComposite("apple");

    LeafComposite *banana= new LeafComposite("banana");

    SubComposite *frute = new SubComposite("frute");

    frute->add(apple);

    frute->add(banana);

    

    

    LeafComposite *primer= new LeafComposite("primer");

    SubComposite *book = new SubComposite("book");

    book->add(primer);

    

    

    

    LeafComposite *sumgSmartPhone= new LeafComposite("sumgSmartPhone");

    LeafComposite *iphone= new LeafComposite("iphone");

    LeafComposite *htc= new LeafComposite("htc");

    SubComposite *smartPhone = new SubComposite("smartPhone");

    smartPhone->add(sumgSmartPhone);

    smartPhone->add(iphone);

    smartPhone->add(htc);

    

    SubComposite *object = new SubComposite("object");

    object->add(frute);

    object->add(book);

    object->add(smartPhone);

    

    object->operation();;

    

    delete apple;

    delete banana;

    delete frute;

    

    delete primer;

    delete book;

    

    delete sumgSmartPhone;

    delete iphone;

    delete htc;

    delete smartPhone;

    

    delete object;

    std::cout << "Hello, World!\n";

    return 0;

}