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/*************** TabTbl H Declares Source Code File (.H) ***************/
/* Name: TABTBL.H Version 1.2 */
/* */
/* (C) Copyright to the author Olivier BERTRAND 2008-2012 */
/* */
/* This file contains the TDBTBL classes declares. */
/***********************************************************************/
//#include "osutil.h"
#include "block.h"
#include "colblk.h"
typedef class TBLDEF *PTBLDEF;
typedef class TDBTBL *PTDBTBL;
typedef class TBLCOL *PTBLCOL;
/***********************************************************************/
/* Defines the structure used for multiple tables. */
/***********************************************************************/
typedef struct _tablist *PTBL;
typedef struct _tablist {
PTBL Next;
char *Name;
char *DB;
} TBLIST;
/***********************************************************************/
/* TBL table. */
/***********************************************************************/
class DllExport TBLDEF : public TABDEF { /* Logical table description */
friend class TDBTBL;
public:
// Constructor
TBLDEF(void);
// Implementation
virtual const char *GetType(void) {return "TBL";}
PTBL GetTables(void) {return To_Tables;}
//int GetNtables(void) {return Ntables;}
// Methods
virtual bool DefineAM(PGLOBAL g, LPCSTR am, int poff);
virtual PTDB GetTable(PGLOBAL g, MODE m);
protected:
// Members
PTBL To_Tables; /* To the list of tables */
bool Accept; /* TRUE if bad tables are accepted */
int Maxerr; /* Maximum number of bad tables */
int Ntables; /* Number of tables */
}; // end of TBLDEF
/***********************************************************************/
/* This is the TBL Access Method class declaration. */
/***********************************************************************/
class DllExport TDBTBL : public TDBASE {
friend class TBLCOL;
friend class TBTBLK;
friend class TDBPLG;
public:
// Constructor
TDBTBL(PTBLDEF tdp = NULL);
//TDBTBL(PTDBTBL tdbp);
// Implementation
virtual AMT GetAmType(void) {return TYPE_AM_TBL;}
//virtual PTDB Duplicate(PGLOBAL g)
// {return (PTDB)new(g) TDBTBL(this);}
// Methods
virtual void ResetDB(void);
//virtual PTABLE GetTablist(void) {return (PSZ)Tablist;}
//virtual PTDB CopyOne(PTABS t);
virtual int GetRecpos(void) {return Rows;}
virtual int GetBadLines(void) {return (int)Nbf;}
// Database routines
virtual PCOL MakeCol(PGLOBAL g, PCOLDEF cdp, PCOL cprec, int n);
virtual int GetMaxSize(PGLOBAL g);
virtual int GetProgMax(PGLOBAL g);
virtual int GetProgCur(void);
virtual int RowNumber(PGLOBAL g, bool b = FALSE);
virtual PCOL InsertSpecialColumn(PGLOBAL g, PCOL scp);
virtual bool OpenDB(PGLOBAL g);
virtual int ReadDB(PGLOBAL g);
virtual int WriteDB(PGLOBAL g);
virtual int DeleteDB(PGLOBAL g, int irc);
virtual void CloseDB(PGLOBAL g);
protected:
// Internal functions
PTDB GetSubTable(PGLOBAL g, PTBL tblp, PTABLE tabp);
bool InitTableList(PGLOBAL g);
bool TestFil(PGLOBAL g, PFIL filp, PTBL tblp);
// Members
PTABLE Tablist; // Points to the table list
PTABLE CurTable; // Points to the current table
PTDBASE Tdbp; // Current table PTDB
bool Accept; // TRUE if bad tables are accepted
int Maxerr; // Maximum number of bad tables
int Nbf; // Number of bad connections
int Rows; // Used for RowID
int Crp; // Used for CurPos
}; // end of class TDBTBL
/***********************************************************************/
/* Class TBLCOL: TBL access method column descriptor. */
/* This A.M. is used for TBL tables. */
/***********************************************************************/
class DllExport TBLCOL : public COLBLK {
friend class TDBTBL;
public:
// Constructors
TBLCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am = "TBL");
TBLCOL(TBLCOL *colp, PTDB tdbp); // Constructor used in copy process
//TBLCOL(SPCBLK *colp, PTDB tdbp); // Constructor used for pseudo columns
// Implementation
virtual int GetAmType(void) {return TYPE_AM_TBL;}
// Methods
virtual bool IsSpecial(void) {return Pseudo;}
virtual void ReadColumn(PGLOBAL g);
//virtual void WriteColumn(PGLOBAL g);
// void Print(PGLOBAL g, FILE *, UINT);
bool Init(PGLOBAL g);
protected:
// Default constructor not to be used
TBLCOL(void) {}
// Members
PCOL Colp; // Points to matching table column
PVAL To_Val; // To the matching column value
bool Pseudo; // TRUE for special columns
int Colnum; // Used when retrieving columns by number
}; // end of class TBLCOL
/***********************************************************************/
/* Class TBTBLK: TDBPLG TABID special column descriptor. */
/***********************************************************************/
class TBTBLK : public TIDBLK {
public:
// The constructor must restore Value because XOBJECT has a void
// constructor called by default that set Value to NULL
TBTBLK(PVAL valp) {Value = valp;}
// Methods
virtual void ReadColumn(PGLOBAL g);
// Fake operator new used to change TIDBLK into SDTBLK
void * operator new(size_t size, TIDBLK *sp) {return sp;}
#if !defined(__BORLANDC__)
// Avoid warning C4291 by defining a matching dummy delete operator
void operator delete(void *, TIDBLK*) {}
#endif
protected:
// Must not have additional members
}; // end of class TBTBLK
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