lotuswordpro/source/filter/lwpidxmgr.hxx

   1 /*************************************************************************
   2  *
   3  *  The Contents of this file are made available subject to the terms of
   4  *  either of the following licenses
   5  *
   6  *         - GNU Lesser General Public License Version 2.1
   7  *         - Sun Industry Standards Source License Version 1.1
   8  *
   9  *  Sun Microsystems Inc., October, 2000
  10  *
  11  *  GNU Lesser General Public License Version 2.1
  12  *  =============================================
  13  *  Copyright 2000 by Sun Microsystems, Inc.
  14  *  901 San Antonio Road, Palo Alto, CA 94303, USA
  15  *
  16  *  This library is free software; you can redistribute it and/or
  17  *  modify it under the terms of the GNU Lesser General Public
  18  *  License version 2.1, as published by the Free Software Foundation.
  19  *
  20  *  This library is distributed in the hope that it will be useful,
  21  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  23  *  Lesser General Public License for more details.
  24  *
  25  *  You should have received a copy of the GNU Lesser General Public
  26  *  License along with this library; if not, write to the Free Software
  27  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  28  *  MA  02111-1307  USA
  29  *
  30  *
  31  *  Sun Industry Standards Source License Version 1.1
  32  *  =================================================
  33  *  The contents of this file are subject to the Sun Industry Standards
  34  *  Source License Version 1.1 (the "License"); You may not use this file
  35  *  except in compliance with the License. You may obtain a copy of the
  36  *  License at http://www.openoffice.org/license.html.
  37  *
  38  *  Software provided under this License is provided on an "AS IS" basis,
  39  *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
  40  *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
  41  *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
  42  *  See the License for the specific provisions governing your rights and
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  44  *
  45  *  The Initial Developer of the Original Code is: IBM Corporation
  46  *
  47  *  Copyright: 2008 by IBM Corporation
  48  *
  49  *  All Rights Reserved.
  50  *
  51  *  Contributor(s): _______________________________________
  52  *
  53  *
  54  ************************************************************************/
  55 /*************************************************************************
  56  * @file
  57  *  index manager, to maintain the map between object id and offset
  58  ************************************************************************/
  59 /*************************************************************************
  60  * Change History
  61  Jan 2005                       Created
  62  ************************************************************************/
  63
  64 #ifndef _LWPINDEXMANAGER_HXX
  65 #define _LWPINDEXMANAGER_HXX
  66
  67 #include <rtl/ustring.hxx>
  68 #include "lwpobjhdr.hxx"
  69 #include "lwpobjstrm.hxx"
  70
  71 /**
  72  * @brief       key structure used to map id to offset
  73 */
  74 struct LwpKey
  75 {
  76         LwpObjectID id;
  77         sal_uInt32 offset;
  78 };
  79 /**
  80  * @brief       LwpIndexManager, to read all index records and maintain the index information
  81 */
  82 class LwpIndexManager
  83 {
  84 public:
  85         LwpIndexManager();
  86         ~LwpIndexManager();
  87 protected:
  88         static const sal_uInt8 MAXOBJECTIDS;
  89         std::vector<LwpKey*> m_ObjectKeys;      //the <id, offset> ordered vector
  90         std::vector<LwpKey*> m_RootObjs;                //For those object ids in RootObjIndex
  91         std::vector<sal_uInt32> m_TimeTable;    //Time table for object low id compression
  92
  93         //sal_uInt16 m_nKeyCount;
  94         sal_uInt32 m_nKeyCount;         //the count of all object
  95         std::vector<sal_uInt32> m_TempVec;      // a temp vector , store the offset of leafindex
  96
  97         sal_uInt32 m_ChildIndex[256];   //Offset of leaf index
  98         sal_uInt16 m_nLeafCount;
  99 protected:
 100         void ReadRootData(LwpObjectStream *pObjStrm );  //Read root index data
 101
 102
 103         //Add new method to handle ObjIndex
 104         void ReadObjIndexData(LwpObjectStream* pObjStrm);
 105         void ReadObjIndex( LwpSvStream *pStrm );        //Read Obj index
 106
 107
 108         void ReadLeafIndex( LwpSvStream *pStrm );       //Read leaf index obj
 109         void ReadLeafData( LwpObjectStream *pStrm );    //Read leaf index obj data
 110         void ReadTimeTable( LwpObjectStream *pStrm );
 111 public:
 112         void Read( LwpSvStream *pStrm );
 113         sal_uInt32 GetObjOffset( LwpObjectID objid );
 114         sal_uInt32 GetObjTime( sal_uInt16 index ) { return m_TimeTable[index-1]; }
 115 };
 116 #endif