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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _UNQID_HXX
#define _UNQID_HXX
#include "tools/toolsdllapi.h"
#include <tools/unqidx.hxx>
// ---------------
// - ImpUniqueId -
// ---------------
struct ImpUniqueId
{
sal_uIntPtr nId;
sal_uInt16 nRefCount;
void Release()
{
nRefCount--;
if( 0 == nRefCount )
delete this;
}
};
// ------------
// - UniqueId -
// ------------
class UniqueIdContainer;
class UniqueItemId
{
friend class UniqueIdContainer;
ImpUniqueId* pId;
UniqueItemId( ImpUniqueId * pIdP )
{ pId = pIdP; pId->nRefCount++; }
public:
UniqueItemId() { pId = NULL; }
UniqueItemId( const UniqueItemId & rId )
{ pId = rId.pId; if( pId ) pId->nRefCount++; }
~UniqueItemId()
{ if( pId ) pId->Release(); }
UniqueItemId& operator = ( const UniqueItemId & rId )
{
if( rId.pId ) rId.pId->nRefCount++;
if( pId ) pId->Release();
pId = rId.pId;
return *this;
}
sal_uIntPtr GetId() const { return pId ? pId->nId : 0; }
};
// ---------------------
// - UniqueIdContainer -
// ---------------------
class TOOLS_DLLPUBLIC UniqueIdContainer : private UniqueIndex
{
sal_uInt16 nCollectCount;
public: // Irgend etwas mit protected falsch
void Clear( sal_Bool bAll );
UniqueItemId CreateIdProt( sal_uIntPtr nId );
public:
UniqueIdContainer( sal_uIntPtr _nStartIndex,
sal_uIntPtr _nInitSize = 16,
sal_uIntPtr _nReSize = 16 )
: UniqueIndex( _nStartIndex, _nInitSize, _nReSize )
, nCollectCount( 0 )
{}
UniqueIdContainer( const UniqueIdContainer& );
~UniqueIdContainer()
{ Clear( sal_True ); }
UniqueIdContainer& operator = ( const UniqueIdContainer & );
sal_Bool IsIndexValid( sal_uIntPtr nIndex ) const
{ return UniqueIndex::IsIndexValid( nIndex ); }
UniqueItemId CreateId();
static UniqueItemId CreateFreeId( sal_uIntPtr nId ); // freies Id
};
#endif // _UNQID_HXX
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