DesignPattern/19.MementoPattern/2.Code/CodeManager.h

#ifndef __CODEMANAGER_H__
#define __CODEMANAGER_H__

#include "Memento.h"
#include <vector>
#include <string>
#include <stdio.h>
using namespace std;

// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
class CodeManager
{
public:
	CodeManager(){}
	~CodeManager(){
		for(auto* memento: mementoList){
			if(memento){
				delete memento;
				memento = nullptr;
			}
		}
	}
	CodeManager(const CodeManager&) = delete;
	CodeManager& operator=(const CodeManager&) = delete;
	void commit(Memento* m){
		printf("<EFBFBD>ύ<EFBFBD><EFBFBD><EFBFBD>汾-%d, <20><><EFBFBD><EFBFBD>-%s, <20><>ǩ-%s\n", m->getVersion(), m->getDate().c_str(), m->getLabel().c_str());
		mementoList.push_back(m);
	}
	// <20>л<EFBFBD><D0BB><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD>İ汾<C4B0><E6B1BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD>ָ<EFBFBD><D6B8><EFBFBD>汾
	Memento* switchToPointedVersion(int index){
		mementoList.erase(mementoList.begin() + mementoList.size() - index, mementoList.end());
		return mementoList[mementoList.size() - 1];
	}
	// <20><>ӡ<EFBFBD><D3A1>ʷ<EFBFBD>汾
	void codeLog(){
		for (int i = 0; i < mementoList.size(); i++){
			printf("[%d]<5D><><EFBFBD>汾-%d, <20><><EFBFBD><EFBFBD>-%s, <20><>ǩ-%s\n", i, mementoList[i]->getVersion(),
				mementoList[i]->getDate().c_str(), mementoList[i]->getLabel().c_str());
		}
	}
private:
	vector<Memento*> mementoList;
};

#endif