cbase64algo.h

BASE64编码/解码 处理的VC源代码

#ifndef _H_CBase64Algo_
#define _H_CBase64Algo_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "CMimeAlgo.h"
#include <afxtempl.h>


class CBase64Algo : public CMimeAlgo
{
//con de
public:
	CBase64Algo();
	~CBase64Algo();


//overrided
public:
	virtual void Encode( unsigned char ** outBuf, int & outBufLen, unsigned char * inSrcBuf, int inSrcLen );
	virtual void Decode( unsigned char ** outBuf, int & outBufLen, unsigned char * inSrcBuf, int inSrcLen );


//implement
protected:
	unsigned char mArr[64]; //to help find char from xxxxxx
	CMap<unsigned char, unsigned char, unsigned char, unsigned char> mMap; //to help find xxxxxx from char

	void EncodeEvery3Byte(unsigned char * outBuf, const unsigned char * const inBuf, int inRest = 0);
	unsigned char Get6Bits(const unsigned char * const inBase, int inOffset);

	void DecodeEvery4Byte(unsigned char * outBuf, const unsigned char * const inBuf);
	void Set6Bits(unsigned char * outBuf, int inOffset, unsigned char in6Bits);
};

#endif