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/*************************************************************************
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* Sun Microsystems Inc., October, 2000
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* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
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* Sun Industry Standards Source License Version 1.1
* =================================================
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* Source License Version 1.1 (the "License"); You may not use this file
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/*************************************************************************
* @file
* index manager, to maintain the map between object id and offset
************************************************************************/
#ifndef INCLUDED_LOTUSWORDPRO_INC_LWPIDXMGR_HXX
#define INCLUDED_LOTUSWORDPRO_INC_LWPIDXMGR_HXX
#include <config_lgpl.h>
#include "lwpobjid.hxx"
#include "lwpobjstrm.hxx"
/**
* @brief key structure used to map id to offset
*/
struct LwpKey
{
LwpObjectID id;
sal_uInt32 offset = 0;
};
/**
* @brief LwpIndexManager, to read all index records and maintain the index information
*/
class LwpIndexManager final
{
public:
LwpIndexManager();
private:
static const sal_uInt8 MAXOBJECTIDS;
std::vector<LwpKey> m_ObjectKeys;
//the <id, offset> ordered vector
std::vector<LwpKey> m_RootObjs;
//For those object ids in RootObjIndex
std::vector<sal_uInt32> m_TimeTable;
//Time table for object low id compression
//sal_uInt16 m_nKeyCount;
sal_uInt32 m_nKeyCount;
//the count of all object
std::vector<sal_uInt32> m_TempVec;
// a temp vector , store the offset of leafindex
sal_uInt32 m_ChildIndex[256];
//Offset of leaf index
sal_uInt16 m_nLeafCount;
void ReadRootData(LwpObjectStream *pObjStrm );
//Read root index data
//Add new method to handle ObjIndex
void ReadObjIndexData(LwpObjectStream* pObjStrm);
void ReadObjIndex( LwpSvStream *pStrm );
//Read Obj index
void ReadLeafIndex( LwpSvStream *pStrm );
//Read leaf index obj
void ReadLeafData( LwpObjectStream *pStrm );
//Read leaf index obj data
void ReadTimeTable( LwpObjectStream *pStrm );
public:
void Read( LwpSvStream *pStrm );
sal_uInt32 GetObjOffset( LwpObjectID objid );
sal_uInt32 GetObjTime( sal_uInt16 index ) {
return m_TimeTable.at(index-1); }
};
#endif
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