windows-xp/Source/XPSP1/NT/base/ntsetup/oobe/msobcomm/ccsv.h

#ifndef _CCSV
#define _CCSV

#define CCSVFILE_BUFFER_SIZE 2*512

// simple file i/o for comma seperated files
class CCSVFile 
{
    
    public: 
        void far * operator new( size_t cb ) { return GlobalAlloc(GPTR, cb); };
        void operator delete( void far * p ) {GlobalFree(p); };

        CCSVFile();
        ~CCSVFile();
        BOOLEAN Open(LPCWSTR pszFileName);
        BOOLEAN ReadToken(LPWSTR pszDest, DWORD cbMax);  // reads up to comma or newline, returns fFalse on EOF
        BOOLEAN SkipTillEOL(void);  // reads up to EOL
        void Close(void);
        inline int ILastRead(void)
            {
            return m_iLastRead;
            }

    private:
        BOOL    FReadInBuffer(void);
        inline int  ChNext(void);
        CHAR    m_rgchBuf[CCSVFILE_BUFFER_SIZE]; //buffer
        WCHAR   m_rgwchBuf[CCSVFILE_BUFFER_SIZE];
        LPWSTR  m_pchBuf;           //pointer to the next item in the buffer to read
        LPWSTR  m_pchLast;          //pointer to the last item in the buffer
        int     m_iLastRead;        //the character last read.
        DWORD   m_cchAvail;
        HANDLE  m_hFile;

}; // ccsv
#endif //_CCSV