Category : C++ Source Code
Archive   : PXEWIN.ZIP
Filename : PXREC.HPP

// PXEWIN - (C) Copyright 1992 by Beam Engineering, INC.

// PXREC.HPP //

// Contents ----------------------------------------------------------------
//
// PXRec. This module contains the PXRec class for interfacing the
// engine to the PDOX Engine record related functions.
//
// End ---------------------------------------------------------------------

// External Reference Name for this Header ---------------------------------

#ifndef PXREC_HPP
#define PXREC_HPP

// Interface Dependencies --------------------------------------------------

#ifndef PXEOBJ_CPP
#include "pxeobj.cpp"
#endif // PXEOBJ_CPP //

// End ---------------------------------------------------------------------

// class PXRec //

_CLASSDEF(PXRec)
class PXRec:public PXEngObject{
private:
virtual const Pchar streamableName()
const /* Defines the streamable
name for this class. */
{
return "PXRec";
}
protected:
virtual Pvoid read(Ripstream); /* Read persistant object */
virtual void write(Ropstream); /* Write persistant object */
PXRec(StreamableInit): /* Persistant object
constructor */
PXEngObject(streamableInit)
{

}
public:
PXRec(PPXEngObject my_engobj); /* Copies parent object on
construction */
static PTStreamable build(); /* Build persistant object */
virtual ~PXRec();
int Get(); /* Get current record */
int Update(); /* Updata the current record
with tx buffer data */
int RecPrev(); /* Go to previous record */
int RecNext(); /* Go to next record */
int GoTo(RECORDNUMBER recNum); /* Go to a record */
virtual void PXError(int org); /* PXRec error handler */
};

// Description -------------------------------------------------------------
//
// This class contains constructors, destructors and members needed to
// access a record in a Paradox table. It uses PXENGINE function calls.
//
// End ---------------------------------------------------------------------

// Define inserters and extractors for persistant objects:

inline Ripstream operator >> (Ripstream is,RPXRec cl)
{return is >> (RTStreamable)cl;}

inline Ripstream operator >> (Ripstream is,RPPXRec cl)
{return is >> (RPvoid)cl;}

inline Ropstream operator << (Ropstream os,RPXRec cl)
{return os << (RTStreamable)cl;}

inline Ropstream operator << (Ropstream os,PPXRec cl)
{return os << (PTStreamable)cl;}

#endif // PXREC_HPP //