OSGVRMLFile.h

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/*---------------------------------------------------------------------------*\
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 * This library is free software; you can redistribute it and/or modify it   *
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 * WITHOUT ANY WARRANTY; without even the implied warranty of                *
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\*---------------------------------------------------------------------------*/

#ifndef _OSGVRMLFILE_H_
#define _OSGVRMLFILE_H_
#ifdef __sgi
#pragma once
#endif

#include <OSGSystemDef.h>

#include <map>
#include <stack>
#include <vector>

#include <OSGBaseTypes.h>
#include <OSGScanParseSkel.h>
#include <OSGScanParseFieldTypeMapper.h>

#include <OSGFieldContainerPtr.h>
#include <OSGField.h>
#include <OSGFieldContainer.h>

#include <OSGVRMLNodeFactory.h>

OSG_BEGIN_NAMESPACE

typedef VRMLNodeFactory<ScanParseFieldTypeMapper<ScanParseSkel> > Parent;

#if __GNUC__ >= 3
#    if __GNUC_MINOR__ >=4
#        define OSG_GCC_34 1
#    endif
#endif
# if __GNUC__ >= 4
#    define OSG_GCC_34 1
#endif

#if __GNUC__ >= 4
#   define OSG_GCC_4 1
#endif

#ifndef OSG_COMPILEVRMLLOADERINST
#if !defined(__sgi) && !defined(__hpux) && !defined(OSG_LINUX_ICC) && \
    !defined(__sun) && !defined(OSG_GCC_34) && !defined(OSG_GCC_4)
extern template OSG_SYSTEMLIB_DLLMAPPING
ScanParseFieldTypeMapper<ScanParseSkel>;
extern template OSG_SYSTEMLIB_DLLMAPPING
VRMLNodeFactory<ScanParseFieldTypeMapper<ScanParseSkel> >;
#endif
#endif


class OSG_SYSTEMLIB_DLLMAPPING VRMLFile : public Parent
{
    /*=========================  PROTECTED  ===============================*/
  protected:

    typedef Parent   Inherited;
    typedef VRMLFile Self;

    /*==========================  PUBLIC  =================================*/
  public:

    enum
    {
        CreateNormals       = Inherited::LastOption << 1,
        StripeGeometry      = CreateNormals         << 1,
        LogProtoGeneration  = StripeGeometry        << 1,
        LogObjectGeneration = LogProtoGeneration    << 1,

        LastOption          = LogObjectGeneration
    };

    /*---------------------------------------------------------------------*/
    VRMLFile(void);

    /*---------------------------------------------------------------------*/
    virtual ~VRMLFile(void);

    /*---------------------------------------------------------------------*/
    virtual void   scanStream    (std::istream &is);

    virtual void   scanFile      (const Char8  *szFilename);

    virtual void   handleError   (const Char8       *szErrorText);

    virtual void   beginFieldDecl(const Char8  *szFieldType,
                                  const UInt32  uiFieldTypeId,
                                  const Char8  *szFieldName);


    virtual void   beginNode     (const Char8 *szNodeTypename,
                                  const Char8 *szNodename);

    virtual void   endNode       (void);

    virtual void   beginScript   (const Char8 *szNodename);

    virtual void   endScript     (void);


    virtual void   beginField    (const Char8  *szFieldname,
                                  const UInt32  uiFieldTypeId);

    virtual void   endField      (void);


    virtual void   addFieldValue(const Char8 *szFieldVal);


    virtual UInt32 getFieldType (const Char8 *szFieldname);


    virtual void   use          (const Char8 *szName);

    /*---------------------------------------------------------------------*/
    void    scanStandardPrototypes  (const Char8  *szFilename);

    void    createStandardPrototypes(void);

    NodePtr getRoot                 (void);

    /*=========================  PROTECTED  ===============================*/
  protected:

    typedef std::pair<BitVector,
                      BitVector>                  MaskPair;

    typedef std::map<IDString, FieldContainerPtr> NameContainerMap;
    typedef std::map<IDString, VRMLNodeDesc    *> NameDescriptionMap;
    typedef std::stack<       MaskPair          > MaskStack;

    /*---------------------------------------------------------------------*/
//          NodePtr                    _pRoot;
               NodePtr                    _pSceneRootNode;

               NodePtr                    _pLightRoot;
               NodePtr                    _pCurrentGlobalLight;

               VRMLNodeDesc *             _pCurrNodeDesc;
    std::stack<VRMLNodeDesc *>            _sNodeDescs;

               FieldContainerPtr          _pCurrentFC;
               Field                     *_pCurrentField;
    const      FieldDescription          *_pCurrentFieldDesc;

    std::stack<      FieldContainerPtr >  _fcStack;
    std::stack<      Field            *>  _fStack;
    std::stack<const FieldDescription *>  _fdStack;

               MaskPair                    _bvChanged;
               MaskStack                   _sChangedStack;

               NameContainerMap            _nameFCMap;
               NameDescriptionMap          _nameDescMap;

    void              initIntExtFieldTypeMapper(void);
    void              initExtIntFieldTypeMapper(void);

    FieldContainerPtr findFCByName             (const Char8  *szName,
                                                      NodePtr pNode);

    void              setContainerFieldValue   (const FieldContainerPtr &pFC);

    FieldContainerPtr findReference            (const Char8 *szName);

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

    VRMLFile(const VRMLFile &source);
    void operator =(const VRMLFile &source);
};

OSG_END_NAMESPACE

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

#endif /* _OSGVRMLFILE_H_ */

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