DIndexIter.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
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#pragma once
 
#include <file/fcode.hxx>
#include <dbase/DIndex.hxx>
#include <dbase/dindexnode.hxx>
 
namespace connectivity::dbase
    {
 
        // IndexIterator
 
        class OIndexIterator final
        {
            file::OBoolOperator*    m_pOperator;
            const file::OOperand*   m_pOperand;
            rtl::Reference<ODbaseIndex> m_xIndex;
            ONDXPagePtr             m_aRoot,
                                    m_aCurLeaf;
            sal_uInt16              m_nCurNode;
 
            sal_uInt32 Find(bool bFirst);
            sal_uInt32 GetCompare(bool bFirst);
            sal_uInt32 GetLike(bool bFirst);
            sal_uInt32 GetNull(bool bFirst);
            sal_uInt32 GetNotNull(bool bFirst);
 
            ONDXKey* GetFirstKey(ONDXPage* pPage,
                                const file::OOperand& rKey);
            ONDXKey* GetNextKey();
 
        public:
            OIndexIterator(ODbaseIndex* pInd)
                :m_pOperator(nullptr)
                ,m_pOperand(nullptr)
                ,m_xIndex(pInd)
                ,m_nCurNode(NODE_NOTFOUND)
            {
            }
 
            ~OIndexIterator();
            sal_uInt32 First();
            sal_uInt32 Next();
 
        };
 
}
 
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