125 lines
4.2 KiB
C++
125 lines
4.2 KiB
C++
/*************************************************************************
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*
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* $RCSfile: DIndexIter.hxx,v $
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*
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* $Revision: 1.1.1.1 $
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*
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* last change: $Author: hr $ $Date: 2000-09-18 16:14:25 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#ifndef _CONNECTIVITY_DBASE_INDEXITER_HXX_
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#define _CONNECTIVITY_DBASE_INDEXITER_HXX_
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#ifndef _CONNECTIVITY_FILE_FCODE_HXX_
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#include "file/fcode.hxx"
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#endif
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#ifndef _CONNECTIVITY_DBASE_INDEX_HXX_
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#include "dbase/DIndex.hxx"
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#endif
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#ifndef _CONNECTIVITY_DBASE_INDEXNODE_HXX_
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#include "dbase/dindexnode.hxx"
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#endif
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namespace connectivity
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{
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namespace dbase
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{
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//==================================================================
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// IndexIterator
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//==================================================================
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class OIndexIterator
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{
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protected:
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file::OBoolOperator* m_pOperator;
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const file::OOperand* m_pOperand;
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ODbaseIndex* m_pIndex;
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ONDXPagePtr m_aRoot,
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m_aCurLeaf;
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USHORT m_nCurNode;
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protected:
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ULONG Find(BOOL bFirst);
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ULONG GetCompare(BOOL bFirst);
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ULONG GetLike(BOOL bFirst);
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ULONG GetNull(BOOL bFirst);
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ULONG GetNotNull(BOOL bFirst);
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ONDXKey* GetFirstKey(ONDXPage* pPage,
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const file::OOperand& rKey);
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ONDXKey* GetNextKey();
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ODbaseIndex* GetIndex() const {return m_pIndex;}
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public:
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OIndexIterator(ODbaseIndex* pInd,
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file::OBoolOperator* pOp,
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const file::OOperand* pOper)
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:m_pOperator(pOp)
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,m_pOperand(pOper)
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,m_pIndex(pInd)
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,m_nCurNode(NODE_NOTFOUND)
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{
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pInd->acquire();
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}
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virtual ~OIndexIterator();
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ULONG First();
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ULONG Next();
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};
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}
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}
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#endif // _CONNECTIVITY_DBASE_INDEXITER_HXX_
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