Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef _CONNECTIVITY_DBASE_INDEXITER_HXX_
      21             : #define _CONNECTIVITY_DBASE_INDEXITER_HXX_
      22             : 
      23             : #include "file/fcode.hxx"
      24             : #include "dbase/DIndex.hxx"
      25             : #include "dbase/dindexnode.hxx"
      26             : 
      27             : namespace connectivity
      28             : {
      29             :     namespace dbase
      30             :     {
      31             :         //==================================================================
      32             :         // IndexIterator
      33             :         //==================================================================
      34             :         class OIndexIterator
      35             :         {
      36             :         protected:
      37             :             file::OBoolOperator*    m_pOperator;
      38             :             const file::OOperand*   m_pOperand;
      39             :             ODbaseIndex*            m_pIndex;
      40             :             ONDXPagePtr             m_aRoot,
      41             :                                     m_aCurLeaf;
      42             :             sal_uInt16                  m_nCurNode;
      43             : 
      44             :         protected:
      45             :             sal_uIntPtr Find(sal_Bool bFirst);
      46             :             sal_uIntPtr GetCompare(sal_Bool bFirst);
      47             :             sal_uIntPtr GetLike(sal_Bool bFirst);
      48             :             sal_uIntPtr GetNull(sal_Bool bFirst);
      49             :             sal_uIntPtr GetNotNull(sal_Bool bFirst);
      50             : 
      51             :             ONDXKey* GetFirstKey(ONDXPage* pPage,
      52             :                                 const file::OOperand& rKey);
      53             :             ONDXKey* GetNextKey();
      54             :             ODbaseIndex* GetIndex() const {return m_pIndex;}
      55             : 
      56             : 
      57             :         public:
      58           0 :             OIndexIterator(ODbaseIndex* pInd,
      59             :                             file::OBoolOperator* pOp,
      60             :                             const file::OOperand* pOper)
      61             :                 :m_pOperator(pOp)
      62             :                 ,m_pOperand(pOper)
      63             :                 ,m_pIndex(pInd)
      64           0 :                 ,m_nCurNode(NODE_NOTFOUND)
      65             :             {
      66           0 :                 pInd->acquire();
      67           0 :             }
      68             : 
      69             :             virtual ~OIndexIterator();
      70             :             sal_uIntPtr First();
      71             :             sal_uIntPtr Next();
      72             : 
      73             :         };
      74             :     }
      75             : }
      76             : #endif // _CONNECTIVITY_DBASE_INDEXITER_HXX_
      77             : 
      78             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */