En/Decode MIME-Content with MimeSniffer

// MIMECode.h: interface for the CMIMECode class.
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_MIMECODE_H__FD6A25D0_EE0E_11D1_870E_444553540001__INCLUDED_)
#define AFX_MIMECODE_H__FD6A25D0_EE0E_11D1_870E_444553540001__INCLUDED_

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

// CMIMECode
// Abstract base class. CMIMECode objects encode and decode
// MIME contents (examples: Base64, Quoted-Printable)
//
class CMIMECode
{
public:
	CMIMECode();
	virtual ~CMIMECode();

	virtual int Decode( LPCBYTE szDecoding, LPTSTR szOutput, DWORD len = MAXDWORD );
	virtual void Encode( LPCBYTE szEncoding, int nSize, string& strResult );

	virtual void Decode(LPSTREAM pSource, LPSTREAM pDest) = 0;
	virtual void Encode(LPSTREAM pSource, LPSTREAM pDest) = 0;

	static	CMIMECode* GetCoderByTransferType(long nType);
	static	BOOL IsMailSafeChar(char c);

};

class CMIMECodeRaw : public CMIMECode
{
public:
	virtual void Decode(LPSTREAM pSource, LPSTREAM pDest);
	virtual void Encode(LPSTREAM pSource, LPSTREAM pDest);
};

#endif // !defined(AFX_MIMECODE_H__FD6A25D0_EE0E_11D1_870E_444553540001__INCLUDED_)