#include <stdio.h>

class CPQDIF_S_FlatFile : public CPQDIF_StreamIO
    {
    public:
	    CPQDIF_S_FlatFile();
        virtual ~CPQDIF_S_FlatFile();

    // Attributes
    public:

    // Operations
    public:
        bool Open
		    ( 
		    const	char *	fname,
				    bool	readOnly
		    );
        bool New( const char * fname );
        bool Connect( FILE * pf ) { m_pf = pf; return true; }
        FILE * GetFile( void ) { return m_pf; }

    //  Overridables
    public:
        virtual bool SeekPos( int pos );
        virtual bool GetPos( int& pos );
        virtual bool SeekEnd( void );

        virtual BYTE * ReadBlock( long size, int& actualSize );
        virtual bool WriteBlock( int &sizeActual );

        virtual void Flush( void );

    // Implementation
    protected:
        FILE *  m_pf;
    };