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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (the "License"); You may not use this file
+ *  except in compliance with the License. You may obtain a copy of the
+ *  License at http://www.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: IBM Corporation
+ *
+ *  Copyright: 2008 by IBM Corporation
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+/*************************************************************************
+ * @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
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */