IAPDemo/Libraries/cocos2d/cocos/common/BigFile.h

//
//  BigFile.h
//  HelloLua
//
//  Created by mac on 14-11-27.
//
//

#ifndef __HelloLua__BigFile__
#define __HelloLua__BigFile__
#define HUNXIAO   true
#include <iostream>
#include <map>
#include <string>
#include <mutex>
#include <tuple>
#include "cocos2d.h"
using namespace std;

#include "json11.hpp"
using namespace json11;

class BigFile :cocos2d::Ref
{
public:
    virtual ~BigFile(){};
    void targetFileNameFromDirAndFile(string& directory, string& filename);
    bool needDecode(string filepath);
    
    static bool inited;
    static BigFile* getInstance();

    void rc4_crypt(unsigned char *Data, ssize_t Len);
    
    void clearDataCache();
    void saveDataToCache(string path, unsigned char* buffer, ssize_t size);
    const unsigned char* getDataFromCache(string path, ssize_t *size);
    
protected:
    bool b_IsHunXiao;
    string _assertDir;
    string _confFilePath;

    string _packname;
    bool b_configInited;
    
    Json _confFileRoot;
    Json _pathCfgRoot;
    Json _decCfgRoot;
    
    static BigFile* s_sharedBigFile;
    
    string _lastMusicFile;
    
    bool _useCache;
    map<string, tuple<unsigned char*,unsigned long>> _cachedDataDic;
    // 缓存锁，保证线程安全
    std::mutex _cachedDataDicMutex;
    
    BigFile(bool useCache = true);
    void setupPackName();
    void setupConfFileRoot();
    
private:
    // 获取package name
    std::string _getAndroidPackageName();
    // 数字的app id
    std::string _getIOSAppId();
};
#endif /* defined(__HelloLua__BigFile__) */