#pragma once

#include <string>
#include <vector>

using namespace std;

class ZBase64 {
public:
    ZBase64(void);

    ~ZBase64(void);

public:
    const char *Encode(const char *szSrc, int nSrcLen = 0);

    const char *Encode(const string &strInput);

    const char *Decode(const char *szSrc, int nSrcLen = 0, int *pDecLen = NULL);

    const char *Decode(const char *szSrc, string &strOutput);

private:
    inline int GetB64Index(char ch);

    inline char GetB64char(int nIndex);

private:
    vector<char *> m_arrDec;
    vector<char *> m_arrEnc;
};