OSGBINLoader.h

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#ifndef _OSGBINLOADER_H_
#define _OSGBINLOADER_H_
#ifdef __sgi
#pragma once
#endif
#include <OSGConfig.h>
#include <map>
#include <vector>
#include <iostream>
#include <OSGNode.h>
#include <OSGBinaryDataHandler.h>

OSG_BEGIN_NAMESPACE

class OSG_SYSTEMLIB_DLLMAPPING BINLoader
{
    /*==========================  PUBLIC  =================================*/
  public:
    /*---------------------------------------------------------------------*/
             BINLoader(std::istream &is);
    virtual ~BINLoader();

    /*---------------------------------------------------------------------*/
         void            read        (void);
         NodePtr         getRootNode (void);
    std::vector<NodePtr> getRootNodes(void);

    /*=========================  PROTECTED  ===============================*/
  protected:
    /*---------------------------------------------------------------------*/
    struct FCIdMapper;
    friend class FCIdMapper;

    struct FCInfoStruct
    {
        UInt32            newId;
        FieldContainerPtr ptr;
        bool              read;
        FCInfoStruct();
    };
    //          oldID   newId + FCPtr
    typedef std::map<UInt32, FCInfoStruct> IDLookupMap;

    struct FCIdMapper : public FieldContainerMapper
    {
      public:
        const IDLookupMap *ptrMap;
        FCIdMapper(IDLookupMap *m);

        virtual UInt32 map(UInt32 uiId);
    };

    class BinaryFileHandler : public BinaryDataHandler
    {
      public:
        BinaryFileHandler(std::istream &is);
        virtual ~BinaryFileHandler();

        void read (MemoryHandle mem, UInt32 size);

      private:

        std::vector<UInt8>  _readMemory;
        std::istream &_is;
    };

    /*==========================  PRIVATE  ================================*/
  private:

    /*---------------------------------------------------------------------*/
    bool createFieldContainers(void);
    void chargeFieldContainers(void);

    /*---------------------------------------------------------------------*/
         BinaryFileHandler _inFileHandler;
         IDLookupMap       _fcInfoMap;
         UInt32            _countContainers;
    std::vector<NodePtr>   _vec_pRootNodes;
         bool              _valid_stream;

};

OSG_END_NAMESPACE

#define OSGBINLOADER_HEADER_CVSID "@(#)$Id: $"

#endif /* _OSGBINLOADER_H_ */

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