127 lines
2.9 KiB
C++
127 lines
2.9 KiB
C++
|
//+--------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Microsoft Windows
|
||
|
|
// Copyright (C) Microsoft Corporation, 1992 - 1992.
|
||
|
|
//
|
||
|
|
// File: dblink.hxx
|
||
|
|
//
|
||
|
|
// Contents: Doubly-linked list element
|
||
|
|
//
|
||
|
|
// Classes: CDlElement
|
||
|
|
//
|
||
|
|
// History: 28-Jul-92 DrewB Created
|
||
|
|
//
|
||
|
|
//---------------------------------------------------------------
|
||
|
|
|
||
|
|
#ifndef __DBLINK_HXX__
|
||
|
|
#define __DBLINK_HXX__
|
||
|
|
|
||
|
|
class CDlElement;
|
||
|
|
SAFE_DFBASED_PTR(CBasedDlElementPtr, CDlElement);
|
||
|
|
//+--------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Class: CDlElement (dle)
|
||
|
|
//
|
||
|
|
// Purpose: An element of a doubly-linked list
|
||
|
|
//
|
||
|
|
// Interface: See below
|
||
|
|
//
|
||
|
|
// History: 28-Jul-92 DrewB Created
|
||
|
|
//
|
||
|
|
//---------------------------------------------------------------
|
||
|
|
|
||
|
|
class CDlElement
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
inline CDlElement(void);
|
||
|
|
|
||
|
|
inline CDlElement *_GetNext(void) const;
|
||
|
|
inline void SetNext(CDlElement *pdle);
|
||
|
|
inline CDlElement *_GetPrev(void) const;
|
||
|
|
inline void SetPrev(CDlElement *pdle);
|
||
|
|
|
||
|
|
protected:
|
||
|
|
CBasedDlElementPtr _pdlePrev, _pdleNext;
|
||
|
|
};
|
||
|
|
|
||
|
|
//+--------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Member: CDlElement::CDlElement, public
|
||
|
|
//
|
||
|
|
// Synopsis: Ctor
|
||
|
|
//
|
||
|
|
// History: 28-Jul-92 DrewB Created
|
||
|
|
//
|
||
|
|
//---------------------------------------------------------------
|
||
|
|
|
||
|
|
inline CDlElement::CDlElement(void)
|
||
|
|
{
|
||
|
|
_pdlePrev = _pdleNext = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
//+--------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Member: CDlElement::_GetNext, public
|
||
|
|
//
|
||
|
|
// Synopsis: Returns _pdleNext
|
||
|
|
//
|
||
|
|
// History: 28-Jul-92 DrewB Created
|
||
|
|
//
|
||
|
|
//---------------------------------------------------------------
|
||
|
|
|
||
|
|
inline CDlElement *CDlElement::_GetNext(void) const
|
||
|
|
{
|
||
|
|
return BP_TO_P(CDlElement *, _pdleNext);
|
||
|
|
}
|
||
|
|
|
||
|
|
//+--------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Member: CDlElement::_SetNext, public
|
||
|
|
//
|
||
|
|
// Synopsis: Sets _pdleNext
|
||
|
|
//
|
||
|
|
// History: 28-Jul-92 DrewB Created
|
||
|
|
//
|
||
|
|
//---------------------------------------------------------------
|
||
|
|
|
||
|
|
inline void CDlElement::SetNext(CDlElement *pdle)
|
||
|
|
{
|
||
|
|
_pdleNext = P_TO_BP(CBasedDlElementPtr, pdle);
|
||
|
|
}
|
||
|
|
|
||
|
|
//+--------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Member: CDlElement::_GetPrev, public
|
||
|
|
//
|
||
|
|
// Synopsis: Returns _pdlePrev
|
||
|
|
//
|
||
|
|
// History: 28-Jul-92 DrewB Created
|
||
|
|
//
|
||
|
|
//---------------------------------------------------------------
|
||
|
|
|
||
|
|
inline CDlElement *CDlElement::_GetPrev(void) const
|
||
|
|
{
|
||
|
|
return BP_TO_P(CDlElement *, _pdlePrev);
|
||
|
|
}
|
||
|
|
|
||
|
|
//+--------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Member: CDlElement::_SetPrev, public
|
||
|
|
//
|
||
|
|
// Synopsis: Sets _pdlePrev
|
||
|
|
//
|
||
|
|
// History: 28-Jul-92 DrewB Created
|
||
|
|
//
|
||
|
|
//---------------------------------------------------------------
|
||
|
|
|
||
|
|
inline void CDlElement::SetPrev(CDlElement *pdle)
|
||
|
|
{
|
||
|
|
_pdlePrev = P_TO_BP(CBasedDlElementPtr, pdle);
|
||
|
|
}
|
||
|
|
|
||
|
|
#define DECLARE_DBLINK(type) \
|
||
|
|
type *GetNext(void) const { return (type *)_GetNext(); } \
|
||
|
|
type *GetPrev(void) const { return (type *)_GetPrev(); } \
|
||
|
|
|
||
|
|
#endif // #ifndef __DBLINK_HXX__
|