vpfIndexTable.h

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/*******************************************************************************
** Copyright (c) 2006 MAK Technologies, Inc.
** All rights reserved.     
*******************************************************************************/
/*******************************************************************************
** $RCSfile: vpfIndexTable.h,v $ $Revision: 1.7 $ $State: Exp $
*******************************************************************************/

#ifndef DtVpfIndextable_h
#define DtVpfIndextable_h



#include <vector>
#include <fstream>

#include <vlutil/vlString.h>
#include "vmap/vmapDefines.h"

//forward defs
class DtVpfTable;

struct DT_DLL_vmap DtVpfIndexValue 
{
   int offset;
   int length;
};

class DT_DLL_vmap DtVpfIndexTable
{
   //don't want these inadvertently copied
   private:
      DtVpfIndexTable(const DtVpfIndexTable& indexTable);
      DtVpfIndexTable& operator=(const DtVpfIndexTable& indexTable);

   public:
      DtVpfIndexTable(DtVpfTable* table);
      ~DtVpfIndexTable();
      
      virtual const DtVpfIndexValue* index(const unsigned int indexNumber) const;
      virtual int headerSize() const {return myDataTableHeaderSize;}
      virtual int numberIndexes() const {return myNumberIndexes;}
      
      virtual bool readIndexFile();

   protected:
      DtVpfTable* myTable;
      DtString myFileName;
      std::vector<DtVpfIndexValue> myIndexes;
      int myCurrentIndex;

      int myNumberIndexes;
      int myDataTableHeaderSize;
};

#endif