/****************************************************************************/ /* This is the base class for dBASE file access methods. */ /****************************************************************************/ class DllExport DBFBASE { public: // Constructors
DBFBASE(PDOSDEF tdp);
DBFBASE(PDBF txfp);
// Implementation int ScanHeader(PGLOBAL g, PCSZ fname, int lrecl, int *rlen, PCSZ defpath);
protected: // Default constructor, not to be used
DBFBASE(void) = default;
// Members int Records; /* records in the file */ bool Accept; /* true if bad lines are accepted */ int Nerr; /* Number of bad records */ int Maxerr; /* Maximum number of bad records */ int ReadMode; /* 1: ALL 2: DEL 0: NOT DEL */
}; // end of class DBFBASE
/****************************************************************************/ /* This is the DOS/UNIX Access Method class declaration for DBase files. */ /****************************************************************************/ class DllExport DBFFAM : public FIXFAM, public DBFBASE { public: // Constructors
DBFFAM(PDOSDEF tdp) : FIXFAM(tdp), DBFBASE(tdp) {}
DBFFAM(PDBFFAM txfp) : FIXFAM(txfp), DBFBASE((PDBF)txfp) {}
// Methods int GetNerr(void) override {return Nerr;} int Cardinality(PGLOBAL g) override; bool OpenTableFile(PGLOBAL g) override; bool AllocateBuffer(PGLOBAL g) override; void ResetBuffer(PGLOBAL g) override; int ReadBuffer(PGLOBAL g) override; int DeleteRecords(PGLOBAL g, int irc) override; void CloseTableFile(PGLOBAL g, bool abort) override; void Rewind(void) override;
protected: bool CopyHeader(PGLOBAL g) override; //virtual int InitDelete(PGLOBAL g, int fpos, int spos);
// Members
}; // end of class DBFFAM
/****************************************************************************/ /* This is the DOS/UNIX Access Method class declaration for DBase files */ /* using file mapping to access the file. */ /****************************************************************************/ class DllExport DBMFAM : public MPXFAM, public DBFBASE { public: // Constructors
DBMFAM(PDOSDEF tdp) : MPXFAM(tdp), DBFBASE(tdp) {}
DBMFAM(PDBMFAM txfp) : MPXFAM(txfp), DBFBASE((PDBF)txfp) {}
// Implementation
AMT GetAmType(void) override {return TYPE_AM_DBF;}
PTXF Duplicate(PGLOBAL g) override
{return (PTXF)new(g) DBMFAM(this);} int GetDelRows(void) override;
// Methods int GetNerr(void) override {return Nerr;} int Cardinality(PGLOBAL g) override; bool AllocateBuffer(PGLOBAL g) override; int ReadBuffer(PGLOBAL g) override; int DeleteRecords(PGLOBAL g, int irc) override; void Rewind(void) override;
protected: // Members
}; // end of class DBFFAM
#endif// __FILAMDBF_H
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