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/*************** TabDos H Declares Source Code File (.H) ***************/
/* Name: TABFIX.H Version 2.4 */
/* */
/* (C) Copyright to the author Olivier BERTRAND 1999-2015 */
/* */
/* This file contains the TDBFIX and (FIX/BIN)COL classes declares. */
/***********************************************************************/
#ifndef __TABFIX__
#define __TABFIX__
#include "tabdos.h" /* Base class declares */
#include "filamdbf.h"
typedef class FIXCOL *PFIXCOL;
typedef class BINCOL *PBINCOL;
typedef class TXTFAM *PTXF;
/***********************************************************************/
/* This is the DOS/UNIX Access Method class declaration for files */
/* that are standard files with columns starting at fixed offset. */
/* This class is for fixed formatted files. */
/***********************************************************************/
class DllExport TDBFIX : public TDBDOS {
friend class FIXCOL;
friend class BINCOL;
public:
// Constructor
TDBFIX(PDOSDEF tdp, PTXF txfp);
TDBFIX(PGLOBAL g, PTDBFIX tdbp);
// Implementation
AMT GetAmType(void) override {return TYPE_AM_FIX;}
void RestoreNrec(void) override;
PTDB Duplicate(PGLOBAL g) override
{return (PTDB)new(g) TDBFIX(g, this);}
// Methods
PTDB Clone(PTABS t) override;
void ResetDB(void) override;
bool IsUsingTemp(PGLOBAL g) override;
int RowNumber(PGLOBAL g, bool b = false) override;
int ResetTableOpt(PGLOBAL g, bool dop, bool dox) override;
void ResetSize(void) override;
int GetBadLines(void) override {return Txfp->GetNerr();}
// Database routines
PCOL MakeCol(PGLOBAL g, PCOLDEF cdp, PCOL cprec, int n) override;
int GetProgMax(PGLOBAL g) override;
int Cardinality(PGLOBAL g) override;
int GetMaxSize(PGLOBAL g) override;
bool OpenDB(PGLOBAL g) override;
int WriteDB(PGLOBAL g) override;
protected:
bool PrepareWriting(PGLOBAL g) override {return false;}
// Members
char Teds; /* Binary table default endian setting */
}; // end of class TDBFIX
/***********************************************************************/
/* Class BINCOL: BIN access method column descriptor. */
/* This A.M. is used for file processed by blocks. */
/***********************************************************************/
class DllExport BINCOL : public DOSCOL {
friend class TDBFIX;
public:
// Constructors
BINCOL(PGLOBAL g, PCOLDEF cdp, PTDB tp, PCOL cp, int i, PCSZ am = "BIN");
BINCOL(BINCOL *colp, PTDB tdbp); // Constructor used in copy process
// Implementation
int GetAmType(void) override {return TYPE_AM_BIN;}
int GetDeplac(void) {return Deplac;}
int GetFileSize(void)
{return N ? N : GetTypeSize(Buf_Type, Long);}
// Methods
void ReadColumn(PGLOBAL g) override;
void WriteColumn(PGLOBAL g) override;
// Static
static void SetEndian(void);
protected:
BINCOL(void) = default; // Default constructor not to be used
// Members
static char Endian; // The host endian setting (L or B)
char *Buff; // Utility buffer
char Eds; // The file endian setting
char Fmt; // The converted value format
int N; // The number of bytes in the file
int M; // The buffer type size
int Lim; // Min(N,M)
}; // end of class BINCOL
/***********************************************************************/
/* This is the class declaration for the DBF columns catalog table. */
/***********************************************************************/
class TDBDCL : public TDBCAT {
public:
// Constructor
TDBDCL(PDOSDEF tdp) : TDBCAT(tdp)
{Fn = tdp->GetFn(); Topt = tdp->GetTopt();}
protected:
// Specific routines
PQRYRES GetResult(PGLOBAL g) override
{return DBFColumns(g, ((PTABDEF)To_Def)->GetPath(), Fn, Topt, false);}
// Members
PCSZ Fn; // The DBF file (path) name
PTOS Topt;
}; // end of class TDBOCL
#endif // __TABFIX__
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