xxcode.h

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#ifndef XXCODE_H
#define XXCODE_H
#define MAXSOURCELENGTH 10240 
#define MAXDESTLENGTH ((MAXSOURCELENGTH/3)+3)*4 
class CXXCode
{
public:
	CXXCode(void);
	virtual ~CXXCode(void);
	bool EnCode(const  char cSource[],char cDest[],int &iLength);
	bool DeCode(const  char cSource[],char cDest[],int &iLength);
private:
	unsigned char * _EnCode(const unsigned char cSource[],int &iLength);
	unsigned char * _DeCode(const unsigned char cDest[],int &iLength);
	void _3To4(unsigned char  cSrc[], unsigned char  cDest[]);
	void _4To3(unsigned char  cSrc[], unsigned char  cDest[]);
	unsigned char _GetCodeSet(unsigned char ch);
	unsigned char m_cSrcBuff[MAXSOURCELENGTH+7];
	unsigned char m_cDestBuff[MAXDESTLENGTH];
	const char * m_cCodeSet ;
};
#endif