LCOV - code coverage report
Current view: top level - connectivity/source/inc/dbase - DIndex.hxx (source / functions) Hit Total Coverage
Test: commit e02a6cb2c3e2b23b203b422e4e0680877f232636 Lines: 0 8 0.0 %
Date: 2014-04-14 Functions: 0 8 0.0 %
Legend: Lines: hit not hit

          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_INDEX_HXX_
      21             : #define _CONNECTIVITY_DBASE_INDEX_HXX_
      22             : 
      23             : #include "connectivity/sdbcx/VIndex.hxx"
      24             : #include <com/sun/star/lang/XUnoTunnel.hpp>
      25             : #include "dbase/DTable.hxx"
      26             : #include "dbase/dindexnode.hxx"
      27             : 
      28             : #define dBASE_III_GROUP "dBase III"
      29             : 
      30             : namespace connectivity
      31             : {
      32             :     namespace dbase
      33             :     {
      34             :         class OIndexIterator;
      35             :         class ONDXKey;
      36             : 
      37             :         typedef sdbcx::OIndex ODbaseIndex_BASE;
      38             :         typedef file::OBoolOperator OBoolOperator_BASE;
      39             :         typedef file::OOperand OOperand_BASE;
      40             : 
      41             :         class ODbaseIndex : public ODbaseIndex_BASE
      42             :         {
      43             :             friend SvStream& WriteODbaseIndex(SvStream &rStream, ODbaseIndex&);
      44             :             friend SvStream& operator >> (SvStream &rStream, ODbaseIndex&);
      45             : 
      46             :             friend class ONDXNode;
      47             :             friend class ONDXPage;
      48             :             friend class ONDXPagePtr;
      49             :             friend class OIndexIterator;
      50             : 
      51             :         public:
      52             : 
      53             :             // Header struct - stays in memory
      54             : 
      55             :             struct NDXHeader
      56             :             {
      57             :                 sal_uInt32  db_rootpage;                    /* Rootpage position                */
      58             :                 sal_uInt32  db_pagecount;                   /* Page count                       */
      59             :                 sal_uInt8   db_frei[4];                     /* Reserved                         */
      60             :                 sal_uInt16  db_keylen;                      /* Key length                       */
      61             :                 sal_uInt16  db_maxkeys;                     /* Maximum number of keys per page  */
      62             :                 sal_uInt16  db_keytype;                     /* Type of key:
      63             :                                                                0 = Text
      64             :                                                                1 = Numerical                    */
      65             :                 sal_uInt16  db_keyrec;                      /* Length of an index record
      66             :                                                                RecordNumber + keylen            */
      67             :                 sal_uInt8   db_frei1[3];                    /* Reserved                         */
      68             :                 sal_uInt8   db_unique;                      /* Unique                           */
      69             :                 char        db_name[488];                   /* index_name (field name)          */
      70             :             };
      71             : 
      72             :         private:
      73             :             SvStream*       m_pFileStream;                  // Stream to read/write the index
      74             :             NDXHeader       m_aHeader;
      75             :             ONDXPageList    m_aCollector;                   // Pool of obsolete pages
      76             :             ONDXPagePtr     m_aRoot,                        // Root of the B+ tree
      77             :                             m_aCurLeaf;                     // Current leaf
      78             :             sal_uInt16      m_nCurNode;                     // Position of the current node
      79             : 
      80             :             sal_uInt32      m_nPageCount,
      81             :                             m_nRootPage;
      82             : 
      83             :             ODbaseTable*    m_pTable;
      84             :             sal_Bool        m_bUseCollector : 1;            // Use the Garbage Collector
      85             : 
      86             :             OUString getCompletePath();
      87             :             void closeImpl();
      88             :             // Closes and kills the index file and throws an error
      89             :             void impl_killFileAndthrowError_throw(sal_uInt16 _nErrorId,const OUString& _sFile);
      90             :         protected:
      91             :             virtual ~ODbaseIndex();
      92             :         public:
      93             :             ODbaseIndex(ODbaseTable* _pTable);
      94             :             ODbaseIndex(ODbaseTable* _pTable,const NDXHeader& _aHeader,const OUString& _Name);
      95             : 
      96             :             sal_Bool openIndexFile();
      97             :             virtual void refreshColumns() SAL_OVERRIDE;
      98             : 
      99             :             // com::sun::star::lang::XUnoTunnel
     100             :             virtual sal_Int64 SAL_CALL getSomething( const com::sun::star::uno::Sequence< sal_Int8 >& aIdentifier ) throw(com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
     101             :             static com::sun::star::uno::Sequence< sal_Int8 > getUnoTunnelImplementationId();
     102             : 
     103             :             virtual void SAL_CALL acquire() throw() SAL_OVERRIDE;
     104             :             virtual void SAL_CALL release() throw() SAL_OVERRIDE;
     105             : 
     106           0 :             const ODbaseTable* getTable() const { return m_pTable; }
     107           0 :             const NDXHeader& getHeader() const { return m_aHeader; }
     108             :             virtual OIndexIterator* createIterator(OBoolOperator_BASE* pOp,
     109             :                                                          const OOperand_BASE* pOperand = NULL);
     110             : 
     111           0 :             void SetRootPos(sal_uInt32 nPos)        {m_nRootPage = nPos;}
     112           0 :             void SetPageCount(sal_uInt32 nCount)    {m_nPageCount = nCount;}
     113             : 
     114             :             sal_uInt32 GetRootPos()                 {return m_nRootPage;}
     115           0 :             sal_uInt32 GetPageCount()               {return m_nPageCount;}
     116             : 
     117             :             sal_Bool IsText() const                 {return m_aHeader.db_keytype == 0;}
     118           0 :             sal_uInt16 GetMaxNodes() const          {return m_aHeader.db_maxkeys;}
     119             : 
     120             :             virtual sal_Bool Insert(sal_uInt32 nRec, const ORowSetValue& rValue);
     121             :             virtual sal_Bool Update(sal_uInt32 nRec, const ORowSetValue&, const ORowSetValue&);
     122             :             virtual sal_Bool Delete(sal_uInt32 nRec, const ORowSetValue& rValue);
     123             :             virtual sal_Bool Find(sal_uInt32 nRec, const ORowSetValue& rValue);
     124             : 
     125             :             void createINFEntry();
     126             :             sal_Bool CreateImpl();
     127             :             sal_Bool DropImpl();
     128             : 
     129             :             DECLARE_SERVICE_INFO();
     130             :         protected:
     131             : 
     132             :             ONDXPage* CreatePage(sal_uInt32 nPagePos, ONDXPage* pParent = NULL, sal_Bool bLoad = sal_False);
     133             :             void Collect(ONDXPage*);
     134             :             ONDXPagePtr getRoot();
     135             : 
     136           0 :             sal_Bool isUnique() const { return m_IsUnique; }
     137           0 :             sal_Bool UseCollector() const {return m_bUseCollector;}
     138             :             // Tree operations
     139             :             void Insert(ONDXPagePtr aCurPage, ONDXNode& rNode);
     140             :             void Release(sal_Bool bSave = sal_True);
     141             :             sal_Bool ConvertToKey(ONDXKey* rKey, sal_uInt32 nRec, const ORowSetValue& rValue);
     142             :         };
     143             : 
     144             :         SvStream& WriteODbaseIndex(SvStream &rStream, ODbaseIndex&);
     145             :         SvStream& operator >> (SvStream &rStream, ODbaseIndex&);
     146             :     }
     147             : }
     148             : 
     149             : #endif // _CONNECTIVITY_DBASE_INDEX_HXX_
     150             : 
     151             : 
     152             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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