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Diffstat (limited to 'connectivity/source/inc/dbase/DIndexIter.hxx')
-rw-r--r-- | connectivity/source/inc/dbase/DIndexIter.hxx | 125 |
1 files changed, 125 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..1403777b722e --- /dev/null +++ b/connectivity/source/inc/dbase/DIndexIter.hxx @@ -0,0 +1,125 @@ +/************************************************************************* + * + * $RCSfile: DIndexIter.hxx,v $ + * + * $Revision: 1.1.1.1 $ + * + * last change: $Author: hr $ $Date: 2000-09-18 16:14:25 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library 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 for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (the "License"); You may not use this file + * except in compliance with the License. You may obtain a copy of the + * License at http://www.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ + +#ifndef _CONNECTIVITY_DBASE_INDEXITER_HXX_ +#define _CONNECTIVITY_DBASE_INDEXITER_HXX_ + +#ifndef _CONNECTIVITY_FILE_FCODE_HXX_ +#include "file/fcode.hxx" +#endif +#ifndef _CONNECTIVITY_DBASE_INDEX_HXX_ +#include "dbase/DIndex.hxx" +#endif +#ifndef _CONNECTIVITY_DBASE_INDEXNODE_HXX_ +#include "dbase/dindexnode.hxx" +#endif + +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_ + |