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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 _CONNECTIVITY_DBASE_INDEXITER_HXX_
#define _CONNECTIVITY_DBASE_INDEXITER_HXX_
#include "file/fcode.hxx"
#include "dbase/DIndex.hxx"
#include "dbase/dindexnode.hxx"
namespace connectivity
{
namespace dbase
{
//==================================================================
// IndexIterator
//==================================================================
class OIndexIterator
{
protected:
file::OBoolOperator* m_pOperator;
const file::OOperand* m_pOperand;
ODbaseIndex* m_pIndex;
ONDXPagePtr m_aRoot,
m_aCurLeaf;
USHORT m_nCurNode;
protected:
ULONG Find(BOOL bFirst);
ULONG GetCompare(BOOL bFirst);
ULONG GetLike(BOOL bFirst);
ULONG GetNull(BOOL bFirst);
ULONG GetNotNull(BOOL bFirst);
ONDXKey* GetFirstKey(ONDXPage* pPage,
const file::OOperand& rKey);
ONDXKey* GetNextKey();
ODbaseIndex* GetIndex() const {return m_pIndex;}
public:
OIndexIterator(ODbaseIndex* pInd,
file::OBoolOperator* pOp,
const file::OOperand* pOper)
:m_pOperator(pOp)
,m_pOperand(pOper)
,m_pIndex(pInd)
,m_nCurNode(NODE_NOTFOUND)
{
pInd->acquire();
}
virtual ~OIndexIterator();
ULONG First();
ULONG Next();
};
}
}
#endif // _CONNECTIVITY_DBASE_INDEXITER_HXX_
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