lotuswordpro/inc/lwpidxmgr.hxx

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  10  *  Sun Microsystems Inc., October, 2000
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  12  *  GNU Lesser General Public License Version 2.1
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  14  *  Copyright 2000 by Sun Microsystems, Inc.
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  17  *  This library is free software; you can redistribute it and/or
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  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
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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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  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 #ifndef INCLUDED_LOTUSWORDPRO_INC_LWPIDXMGR_HXX
  62 #define INCLUDED_LOTUSWORDPRO_INC_LWPIDXMGR_HXX
  63
  64 #include <rtl/ustring.hxx>
  65 #include "lwpobjhdr.hxx"
  66 #include "lwpobjstrm.hxx"
  67
  68 /**
  69  * @brief   key structure used to map id to offset
  70 */
  71 struct LwpKey
  72 {
  73     LwpObjectID id;
  74     sal_uInt32 offset = 0;
  75 };
  76
  77 /**
  78  * @brief   LwpIndexManager, to read all index records and maintain the index information
  79 */
  80 class LwpIndexManager final
  81 {
  82 public:
  83     LwpIndexManager();
  84 private:
  85     static const sal_uInt8 MAXOBJECTIDS;
  86     std::vector<LwpKey> m_ObjectKeys;      //the <id, offset> ordered vector
  87     std::vector<LwpKey> m_RootObjs;        //For those object ids in RootObjIndex
  88     std::vector<sal_uInt32> m_TimeTable;   //Time table for object low id compression
  89
  90     //sal_uInt16 m_nKeyCount;
  91     sal_uInt32 m_nKeyCount;     //the count of all object
  92     std::vector<sal_uInt32> m_TempVec;  // a temp vector , store the offset of leafindex
  93
  94     sal_uInt32 m_ChildIndex[256];   //Offset of leaf index
  95     sal_uInt16 m_nLeafCount;
  96
  97     void ReadRootData(LwpObjectStream *pObjStrm );  //Read root index data
  98
  99     //Add new method to handle ObjIndex
 100     void ReadObjIndexData(LwpObjectStream* pObjStrm);
 101     void ReadObjIndex( LwpSvStream *pStrm );    //Read Obj index
 102
 103     void ReadLeafIndex( LwpSvStream *pStrm );   //Read leaf index obj
 104     void ReadLeafData( LwpObjectStream *pStrm );    //Read leaf index obj data
 105     void ReadTimeTable( LwpObjectStream *pStrm );
 106 public:
 107     void Read( LwpSvStream *pStrm );
 108     sal_uInt32 GetObjOffset( LwpObjectID objid );
 109     sal_uInt32 GetObjTime( sal_uInt16 index ) { return m_TimeTable.at(index-1); }
 110 };
 111 #endif
 112
 113 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */