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Diffstat (limited to 'connectivity/source/inc/dbase/DIndexIter.hxx')
-rw-r--r-- | connectivity/source/inc/dbase/DIndexIter.hxx | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/connectivity/source/inc/dbase/DIndexIter.hxx b/connectivity/source/inc/dbase/DIndexIter.hxx new file mode 100644 index 000000000000..99ed3f37af91 --- /dev/null +++ b/connectivity/source/inc/dbase/DIndexIter.hxx @@ -0,0 +1,85 @@ +/************************************************************************* + * + * 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_ + |