1 /************************************************************************* 2 * 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * Copyright 2000, 2010 Oracle and/or its affiliates. 6 * 7 * OpenOffice.org - a multi-platform office productivity suite 8 * 9 * This file is part of OpenOffice.org. 10 * 11 * OpenOffice.org is free software: you can redistribute it and/or modify 12 * it under the terms of the GNU Lesser General Public License version 3 13 * only, as published by the Free Software Foundation. 14 * 15 * OpenOffice.org is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 #ifndef _CONNECTIVITY_DBASE_INDEXITER_HXX_ 29 #define _CONNECTIVITY_DBASE_INDEXITER_HXX_ 30 31 #include "file/fcode.hxx" 32 #include "dbase/DIndex.hxx" 33 #include "dbase/dindexnode.hxx" 34 35 namespace connectivity 36 { 37 namespace dbase 38 { 39 //================================================================== 40 // IndexIterator 41 //================================================================== 42 class OIndexIterator 43 { 44 protected: 45 file::OBoolOperator* m_pOperator; 46 const file::OOperand* m_pOperand; 47 ODbaseIndex* m_pIndex; 48 ONDXPagePtr m_aRoot, 49 m_aCurLeaf; 50 sal_uInt16 m_nCurNode; 51 52 protected: 53 sal_uIntPtr Find(sal_Bool bFirst); 54 sal_uIntPtr GetCompare(sal_Bool bFirst); 55 sal_uIntPtr GetLike(sal_Bool bFirst); 56 sal_uIntPtr GetNull(sal_Bool bFirst); 57 sal_uIntPtr GetNotNull(sal_Bool bFirst); 58 59 ONDXKey* GetFirstKey(ONDXPage* pPage, 60 const file::OOperand& rKey); 61 ONDXKey* GetNextKey(); 62 ODbaseIndex* GetIndex() const {return m_pIndex;} 63 64 65 public: 66 OIndexIterator(ODbaseIndex* pInd, 67 file::OBoolOperator* pOp, 68 const file::OOperand* pOper) 69 :m_pOperator(pOp) 70 ,m_pOperand(pOper) 71 ,m_pIndex(pInd) 72 ,m_nCurNode(NODE_NOTFOUND) 73 { 74 pInd->acquire(); 75 } 76 77 virtual ~OIndexIterator(); 78 sal_uIntPtr First(); 79 sal_uIntPtr Next(); 80 81 }; 82 } 83 } 84 #endif // _CONNECTIVITY_DBASE_INDEXITER_HXX_ 85 86