windows-nt/Source/XPSP1/NT/admin/pchealth/client/lamebtn/base64.h
2020-09-26 16:20:57 +08:00

71 lines
1.8 KiB
C++

// Base64Coder.h: interface for the Base64Coder class.
//
//////////////////////////////////////////////////////////////////////
#if !defined(AFX_BASE64CODER_H__B2E45717_0625_11D2_A80A_00C04FB6794C__INCLUDED_)
#define AFX_BASE64CODER_H__B2E45717_0625_11D2_A80A_00C04FB6794C__INCLUDED_
#if _MSC_VER >= 1000
#pragma once
#endif // _MSC_VER >= 1000
#ifdef _AFXDLL
#include <afx.h>
typedef CString String;
#else
#include <windows.h>
#include <string>
typedef std::string String;
#endif
class Base64Coder
{
// Internal bucket class.
class TempBucket
{
public:
BYTE nData[4];
BYTE nSize;
void Clear() { ::ZeroMemory(nData, 4); nSize = 0; };
};
PBYTE m_pDBuffer;
PBYTE m_pEBuffer;
DWORD m_nDBufLen;
DWORD m_nEBufLen;
DWORD m_nDDataLen;
DWORD m_nEDataLen;
public:
Base64Coder();
virtual ~Base64Coder();
public:
virtual void Encode(const PBYTE, DWORD);
virtual void Decode(const PBYTE, DWORD);
virtual void Encode(LPCSTR sMessage);
virtual void Decode(LPCSTR sMessage);
virtual LPCSTR DecodedMessage() const;
virtual void DecodedMessage(PBYTE* ppBuffer, DWORD* nBufLen) const;
virtual LPCSTR EncodedMessage() const;
virtual void AllocEncode(DWORD);
virtual void AllocDecode(DWORD);
virtual void SetEncodeBuffer(const PBYTE pBuffer, DWORD nBufLen);
virtual void SetDecodeBuffer(const PBYTE pBuffer, DWORD nBufLen);
protected:
virtual void _EncodeToBuffer(const TempBucket &Decode, PBYTE pBuffer);
virtual ULONG _DecodeToBuffer(const TempBucket &Decode, PBYTE pBuffer);
virtual void _EncodeRaw(TempBucket &, const TempBucket &);
virtual void _DecodeRaw(TempBucket &, const TempBucket &);
virtual BOOL _IsBadMimeChar(BYTE);
static char m_DecodeTable[256];
static BOOL m_Init;
void _Init();
};
#endif // !defined(AFX_BASE64CODER_H__B2E45717_0625_11D2_A80A_00C04FB6794C__INCLUDED_)