lotuswordpro/source/filter/lwpidxmgr.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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  10  *  Sun Microsystems Inc., October, 2000
  11  *
  12  *  GNU Lesser General Public License Version 2.1
  13  *  =============================================
  14  *  Copyright 2000 by Sun Microsystems, Inc.
  15  *  901 San Antonio Road, Palo Alto, CA 94303, USA
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  17  *  This library is free software; you can redistribute it and/or
  18  *  modify it under the terms of the GNU Lesser General Public
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  31  *
  32  *  Sun Industry Standards Source License Version 1.1
  33  *  =================================================
  34  *  The contents of this file are subject to the Sun Industry Standards
  35  *  Source License Version 1.1 (the "License"); You may not use this file
  36  *  except in compliance with the License. You may obtain a copy of the
  37  *  License at http://www.openoffice.org/license.html.
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  39  *  Software provided under this License is provided on an "AS IS" basis,
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  46  *  The Initial Developer of the Original Code is: IBM Corporation
  47  *
  48  *  Copyright: 2008 by IBM Corporation
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  50  *  All Rights Reserved.
  51  *
  52  *  Contributor(s): _______________________________________
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  54  *
  55  ************************************************************************/
  56 /*************************************************************************
  57  * @file
  58  *  index manager, to maintain the map between object id and offset
  59  ************************************************************************/
  60 /*************************************************************************
  61  * Change History
  62  Jan 2005           Created
  63  ************************************************************************/
  64
  65 #ifndef INCLUDED_LOTUSWORDPRO_SOURCE_FILTER_LWPIDXMGR_HXX
  66 #define INCLUDED_LOTUSWORDPRO_SOURCE_FILTER_LWPIDXMGR_HXX
  67
  68 #include <rtl/ustring.hxx>
  69 #include "lwpobjhdr.hxx"
  70 #include "lwpobjstrm.hxx"
  71
  72 /**
  73  * @brief   key structure used to map id to offset
  74 */
  75 struct LwpKey
  76 {
  77     LwpObjectID id;
  78     sal_uInt32 offset;
  79 };
  80 /**
  81  * @brief   LwpIndexManager, to read all index records and maintain the index information
  82 */
  83 class LwpIndexManager
  84 {
  85 public:
  86     LwpIndexManager();
  87     ~LwpIndexManager();
  88 protected:
  89     static const sal_uInt8 MAXOBJECTIDS;
  90     std::vector<LwpKey*> m_ObjectKeys;  //the <id, offset> ordered vector
  91     std::vector<LwpKey*> m_RootObjs;        //For those object ids in RootObjIndex
  92     std::vector<sal_uInt32> m_TimeTable;    //Time table for object low id compression
  93
  94     //sal_uInt16 m_nKeyCount;
  95     sal_uInt32 m_nKeyCount;     //the count of all object
  96     std::vector<sal_uInt32> m_TempVec;  // a temp vector , store the offset of leafindex
  97
  98     sal_uInt32 m_ChildIndex[256];   //Offset of leaf index
  99     sal_uInt16 m_nLeafCount;
 100 protected:
 101     void ReadRootData(LwpObjectStream *pObjStrm );  //Read root index data
 102
 103     //Add new method to handle ObjIndex
 104     void ReadObjIndexData(LwpObjectStream* pObjStrm);
 105     void ReadObjIndex( LwpSvStream *pStrm );    //Read Obj index
 106
 107     void ReadLeafIndex( LwpSvStream *pStrm );   //Read leaf index obj
 108     void ReadLeafData( LwpObjectStream *pStrm );    //Read leaf index obj data
 109     void ReadTimeTable( LwpObjectStream *pStrm );
 110 public:
 111     void Read( LwpSvStream *pStrm );
 112     sal_uInt32 GetObjOffset( LwpObjectID objid );
 113     sal_uInt32 GetObjTime( sal_uInt16 index ) { return m_TimeTable.at(index-1); }
 114 };
 115 #endif
 116
 117 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */