windows-nt/Source/XPSP1/NT/com/ole32/stg/ref/h/dffuncs.hxx
2020-09-26 16:20:57 +08:00

114 lines
2.5 KiB
C++

//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 1996.
//
// File: dffuncs.hxx
//
// Contents: CDocFile inline functions
// In a separate file to avoid circular dependencies
//
//----------------------------------------------------------------------------
#ifndef __DFFUNCS_HXX__
#define __DFFUNCS_HXX__
#include "ref.hxx"
#include "cdocfile.hxx"
#include "sstream.hxx"
//+--------------------------------------------------------------
//
// Member: CDocFile::CDocFile, public
//
// Synopsis: Empty object ctor
//
// Aguments: [dl] - LUID
// [pdfb] - Basis
//
//---------------------------------------------------------------
inline CDocFile::CDocFile(DFLUID dl, ILockBytes *pilbBase)
: PEntry(dl)
{
_cReferences = 0;
_pilbBase = pilbBase;
}
//+--------------------------------------------------------------
//
// Member: CDocFile::CDocFile, public
//
// Synopsis: Handle-setting construction
//
// Arguments: [pms] - MultiStream to use
// [sid] - SID to use
// [dl] - LUID
// [pdfb] - Basis
//
//---------------------------------------------------------------
inline CDocFile::CDocFile(CMStream *pms,
SID sid,
DFLUID dl,
ILockBytes *pilbBase)
: PEntry(dl)
{
_stgh.Init(pms, sid);
_cReferences = 0;
_pilbBase = pilbBase;
}
//+--------------------------------------------------------------
//
// Member: CDocFile::~CDocFile, public
//
// Synopsis: Destructor
//
//---------------------------------------------------------------
inline CDocFile::~CDocFile(void)
{
olAssert(_cReferences == 0);
if (_stgh.IsValid())
{
if (_stgh.IsRoot())
DllReleaseMultiStream(_stgh.GetMS());
}
}
//+--------------------------------------------------------------
//
// Member: CDocFile::GetHandle, public
//
// Synopsis: Returns the handle
//
//---------------------------------------------------------------
inline CStgHandle *CDocFile::GetHandle(void)
{
return &_stgh;
}
//+---------------------------------------------------------------------------
//
// Member: CDocFile::DecRef, public
//
// Synopsis: Decrements the ref count
//
//----------------------------------------------------------------------------
inline void CDocFile::DecRef(void)
{
AtomicDec(&_cReferences);
}
#endif // #ifndef __DFFUNCS_HXX__