代码版设计模式12：类适配器【结构型】

2013-03-01 12:14 ⁄ 工业·编程 ⁄ 共 664字 ⁄ 字号小中大 ⁄ 暂无评论

#include <iostream>
using namespace std;

//
class CDeque
{
public:
    void push_front() { cout<<"CDeque push_front."<<endl; }
    void push_back() { cout<<"CDeque push_back."<<endl; }
    void pop_front() { cout<<"CDeque pop_front."<<endl; }
    void pop_back()   { cout<<"CDeque pop_back."<<endl; }
};

struct ISequence
{
public:
virtual void push() = 0;
virtual void pop() = 0;
};

class CStack : public ISequence,CDeque
{
public:
virtual void push() { push_back(); }
virtual void pop() { pop_back(); }
};

class CQueue : public ISequence,CDeque
{
public:
virtual void push() { push_back(); }
virtual void pop() { pop_front(); }
};

//
void main()
{
    CStack stack;
    stack.push();
    stack.pop();

    CQueue queue;
    queue.push();
    queue.pop();
}