IgesIfstream.h

/********************************************************************/
/* Copyright (c) 2015 DG Technologies Inc. and Yuzi Mizuno          */
/* All rights reserved.                                             */
/********************************************************************/
#if !defined( __IGESIFSTREAM_H__)
#define __IGESIFSTREAM_H__


#include <fstream>
#include "mg/Straight.h"
#include "mg/LBRep.h"
#include "mg/RLBRep.h"
#include "mg/SBRep.h"
#include "mg/RSBRep.h"
#include "mg/Plane.h"
#include "mg/Sphere.h"
#include "mgIges/IgesFstream.h"
#include "mgIges/IgesFstream.h"
#include "mgIges/IgesVertexListMap.h"
#include "mgIges/Iges504EdgeListMap.h"

// forward declarations
class MGObject;
class MGCurve;
class MGSurface;
class MGGroup;
class MGGel;
class MGColor;
class MGBVertex;
class MGEdge;
class MGLoop;
class MGFace;
class MGShell;

class MGIgesIfstream: public MGIgesFstream{
    
public:
    mutable MGIgesVertexListMap m_vertexListMap;

    mutable MGIges504EdgeListMap m_edgeListMap;


    MG_DLL_DECLR MGIgesIfstream(const TCHAR* filename);

    MG_DLL_DECLR bool good()const{return m_ifstream.good();};


    MG_DLL_DECLR MGIgesIfstream& operator>>(MGGroup&);

    
    MGGel* convert_to_gel(
        int i
    )const;
    MGGel* convert_to_gel(
        const MGIgesDirectoryEntry& de
    )const;

    MG_DLL_DECLR bool is_open(){return m_ifstream.is_open();};

    MG_DLL_DECLR void open(const TCHAR* filename);
    MG_DLL_DECLR void close();

    void get_one_line(
        char* lineData, 
        char& sectionID_letter, 
        int& sequence,  
        int nchar=72    
    );

    MGColor* convert_color(
        const MGIgesDirectoryEntry& de
    )const;

    MGEllipse* convert_arc(
        const MGIgesDirectoryEntry& de
    )const;

    MGCompositeCurve* convert_composite(
        const MGIgesDirectoryEntry& de
    )const;

    MGObject* convert_conic_arc(
        const MGIgesDirectoryEntry& de
    )const;

    MGObject* convert_plane(
        const MGIgesDirectoryEntry& de
    )const;

    MGPlane* convert_planeSurface(
        const MGIgesDirectoryEntry& de
    )const;

    MGCylinder* convert_cylinder(
        const MGIgesDirectoryEntry& de
    )const;

    MGSphere* convert_sphere(
        const MGIgesDirectoryEntry& de
    )const;

    MGSphere* convert_sphere158(
        const MGIgesDirectoryEntry& de
    )const;

    MGStraight* convert_line(
        const MGIgesDirectoryEntry& de
    )const;

    MGLBRep* convert_spline(
        const MGIgesDirectoryEntry& d
    )const;

    MGPoint* convert_point(
        const MGIgesDirectoryEntry& de
    )const;

    MGSurface* convert_ruled_surface(
        const MGIgesDirectoryEntry& de
    )const;

    MGSurface* convert_revolution_surface(
        const MGIgesDirectoryEntry& de
    )const;

    MGSurface* convert_tab_cyl(
        const MGIgesDirectoryEntry& de
    )const;

    MGCurve* convert_nurbs(
        const MGIgesDirectoryEntry& de
    )const;

    MGSurface* convert_nurbs_surface(
        const MGIgesDirectoryEntry& de
    )const;

    MGFace* convert_bounded_surface(
        const MGIgesDirectoryEntry& de
    )const;

    MGFace* convert_trimmed_surface(
        const MGIgesDirectoryEntry& de
    )const;

    MGGel* convert_MSBO(
        const MGIgesDirectoryEntry& de
    )const;

    MGGroup* convert_group(
        const MGIgesDirectoryEntry& de
    )const;

    MGBVertex* convert_vertex(
        int vertex_list,
        int vertex  
    )const;

    MGEdge* convert_edge(
        int edge_list,
        int edge  
    )const;

    MGLoop* convert_loop(
        const MGIgesDirectoryEntry& de, 
        const MGSurface& srf 
    )const;

    MGFace* convert_face(
        const MGIgesDirectoryEntry& de
    )const;

    MGShell* convert_shell(
        const MGIgesDirectoryEntry& de
    )const;

    void initialize();

    void transform(
        const MGIgesDirectoryEntry& de, 
        MGGel& obj                  
    )const;
    
private:
     std::ifstream m_ifstream;

};
 // end of FileInputOutput group
#endif // __IGESIFSTREAM_H__