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Adding the CONNECT storage engine sources.

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Alexander Barkov 2013-01-18 19:21:44 +04:00
commit d7143a4160
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storage/connect/tabsys.h Normal file
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/*************** TabSys H Declares Source Code File (.H) ***************/
/* Name: TABSYS.H Version 2.2 */
/* */
/* (C) Copyright to the author Olivier BERTRAND 2004-2013 */
/* */
/* This file contains the XDB system tables classes declares. */
/***********************************************************************/
typedef class INIDEF *PINIDEF;
typedef class TDBINI *PTDBINI;
typedef class INICOL *PINICOL;
typedef class TDBXIN *PTDBXIN;
typedef class XINCOL *PXINCOL;
/* --------------------------- INI classes --------------------------- */
/***********************************************************************/
/* INI, XDB and XCL tables. */
/***********************************************************************/
class DllExport INIDEF : public TABDEF { /* INI table description */
friend class TDBINI;
friend class TDBXIN;
friend class TDBXTB;
friend class TDBRTB;
friend class TDBXCL;
public:
// Constructor
INIDEF(void);
// Implementation
virtual const char *GetType(void) {return "INI";}
// Methods
virtual bool DefineAM(PGLOBAL g, LPCSTR am, int poff);
virtual PTDB GetTable(PGLOBAL g, MODE m);
virtual bool DeleteTableFile(PGLOBAL g);
protected:
// Members
char *Fn; /* Path/Name of corresponding file */
char *Xname; /* The eventual table name */
char Subtype; /* I: INI, T: Table, C: Column */
char Layout; /* R: Row, C: Column */
int Ln; /* Length of section list buffer */
}; // end of INIDEF
/***********************************************************************/
/* This is the class declaration for the INI tables. */
/* These are tables represented by a INI like file. */
/***********************************************************************/
class TDBINI : public TDBASE {
friend class INICOL;
public:
// Constructor
TDBINI(PINIDEF tdp);
TDBINI(PTDBINI tdbp);
// Implementation
virtual AMT GetAmType(void) {return TYPE_AM_INI;}
virtual PTDB Duplicate(PGLOBAL g) {return (PTDB)new(g) TDBINI(this);}
// Methods
virtual PTDB CopyOne(PTABS t);
virtual int GetRecpos(void) {return (int)Section;}
virtual int GetProgCur(void) {return N;}
virtual int GetAffectedRows(void) {return 0;}
virtual PSZ GetFile(PGLOBAL g) {return Ifile;}
virtual void SetFile(PGLOBAL g, PSZ fn) {Ifile = fn;}
virtual void ResetDB(void) {Seclist = Section = NULL; N = 0;}
virtual void ResetSize(void) {MaxSize = -1; Seclist = NULL;}
virtual int RowNumber(PGLOBAL g, bool b = false) {return N;}
char *GetSeclist(PGLOBAL g);
// Database routines
virtual PCOL MakeCol(PGLOBAL g, PCOLDEF cdp, PCOL cprec, int n);
virtual int GetMaxSize(PGLOBAL g);
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:
// Members
char *Ifile; // The INI file
char *Seclist; // The section list
char *Section; // The current section
int Seclen; // Length of seclist buffer
int N; // The current section index
}; // end of class TDBINI
/***********************************************************************/
/* Class INICOL: XDB table access method column descriptor. */
/***********************************************************************/
class INICOL : public COLBLK {
public:
// Constructors
INICOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am = "INI");
INICOL(INICOL *colp, PTDB tdbp); // Constructor used in copy process
// Implementation
virtual int GetAmType(void) {return TYPE_AM_INI;}
virtual void SetTo_Val(PVAL valp) {To_Val = valp;}
// Methods
virtual bool SetBuffer(PGLOBAL g, PVAL value, bool ok, bool check);
virtual void ReadColumn(PGLOBAL g);
virtual void WriteColumn(PGLOBAL g);
virtual void AllocBuf(PGLOBAL g);
protected:
// Default constructor not to be used
INICOL(void) {}
// Members
char *Valbuf; // To the key value buffer
int Flag; // Tells what set in value
int Long; // Buffer length
PVAL To_Val; // To value used for Update/Insert
}; // end of class INICOL
/* --------------------------- XINI class ---------------------------- */
/***********************************************************************/
/* This is the class declaration for the XINI tables. */
/* These are tables represented by a INI like file */
/* having 3 columns Section, Key, and Value. */
/***********************************************************************/
class TDBXIN : public TDBINI {
friend class XINCOL;
public:
// Constructor
TDBXIN(PINIDEF tdp);
TDBXIN(PTDBXIN tdbp);
// Implementation
virtual AMT GetAmType(void) {return TYPE_AM_INI;}
virtual PTDB Duplicate(PGLOBAL g) {return (PTDB)new(g) TDBXIN(this);}
// Methods
virtual PTDB CopyOne(PTABS t);
virtual int GetRecpos(void);
virtual bool SetRecpos(PGLOBAL g, int recpos);
virtual void ResetDB(void)
{Seclist = Section = Keycur = NULL; N = 0; Oldsec = -1;}
char *GetKeylist(PGLOBAL g, char *sec);
// Database routines
virtual PCOL MakeCol(PGLOBAL g, PCOLDEF cdp, PCOL cprec, int n);
virtual int GetMaxSize(PGLOBAL g);
virtual bool OpenDB(PGLOBAL g);
virtual int ReadDB(PGLOBAL g);
virtual int WriteDB(PGLOBAL g);
virtual int DeleteDB(PGLOBAL g, int irc);
protected:
// Members
char *Keylist; // The key list
char *Keycur; // The current key
int Keylen; // Length of keylist buffer
short Oldsec; // Last current section
}; // end of class TDBXIN
/***********************************************************************/
/* Class XINCOL: XIN table access method column descriptor. */
/***********************************************************************/
class XINCOL : public INICOL {
public:
// Constructors
XINCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am = "INI");
XINCOL(XINCOL *colp, PTDB tdbp); // Constructor used in copy process
// Implementation
// Methods
virtual void ReadColumn(PGLOBAL g);
virtual void WriteColumn(PGLOBAL g);
protected:
// Default constructor not to be used
XINCOL(void) {}
// Members
}; // end of class XINICOL