40 lines
983 B
C++
40 lines
983 B
C++
#ifndef _CCSV
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#define _CCSV
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#include <windows.h>
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#ifdef WIN16
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#include <win16def.h>
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#endif
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#define CCSVFILE_BUFFER_SIZE 2*512
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// simple file i/o for phone books
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class CCSVFile
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{
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public:
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void far * operator new( size_t cb ) { return GlobalAlloc(GPTR,cb); };
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void operator delete( void far * p ) {GlobalFree(p); };
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CCSVFile();
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~CCSVFile();
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BOOLEAN Open(LPCTSTR pszFileName);
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BOOLEAN ReadToken(LPTSTR pszDest, DWORD cbMax); // reads up to comma or newline, returns fFalse on EOF
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void Close(void);
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inline int ILastRead(void)
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{
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return m_iLastRead;
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}
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private:
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BOOL FReadInBuffer(void);
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inline int ChNext(void);
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CHAR m_rgchBuf[CCSVFILE_BUFFER_SIZE]; //buffer
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LPSTR m_pchBuf; //pointer to the next item in the buffer to read
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LPSTR m_pchLast; //pointer to the last item in the buffer
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int m_iLastRead; //the character last read.
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DWORD m_cchAvail;
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HANDLE m_hFile;
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}; // ccsv
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#endif //_CCSV
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