GmshMeshReader.hpp

/*

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*/


#ifndef _GMSHMESHREADER_HPP_
#define _GMSHMESHREADER_HPP_

#include <vector>
#include <string>
#include <fstream>
#include "AbstractMeshReader.hpp"

struct GmshTypes
{
    enum Value
    {
        LINE = 1u,
        QUADRATIC_LINE = 8u,
        TRIANGLE = 2u,
        QUADRATIC_TRIANGLE = 9u,
        TETRAHEDRON = 4u,
        QUADRATIC_TETRAHEDRON = 11u
    };
};

template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
class GmshMeshReader : public AbstractMeshReader<ELEMENT_DIM,SPACE_DIM>
{
public:

    GmshMeshReader(std::string pathBaseName,
                   unsigned orderOfElements = 1,
                   unsigned orderOfBoundaryElements = 1);

    ~GmshMeshReader();

    unsigned GetNumElements() const;

    unsigned GetNumNodes() const;

    unsigned GetNumFaces() const;

    unsigned GetNumCableElements() const;

    unsigned GetNumElementAttributes() const;

    unsigned GetNumFaceAttributes() const;

    unsigned GetNumCableElementAttributes() const;

    unsigned GetOrderOfElements();

    unsigned GetOrderOfBoundaryElements();

    void Reset();

    std::vector<double> GetNextNode();

    ElementData GetNextElementData();

    ElementData GetNextFaceData();

    ElementData GetNextCableElementData();

    std::vector<double> GetNodeAttributes();

    std::vector<double> GetNode(unsigned index);

    ElementData GetElementData(unsigned index);

    ElementData GetFaceData(unsigned index);

private:
    void ReadHeaders();

    void ReadNodeHeader();

    void ReadElementHeader();

    void ReadFaceHeader();

    void OpenFiles();

    void CloseFiles();

    std::string mFileName; 
    std::ifstream mNodeFile; 
    std::ifstream mElementFile; 
    std::ifstream mFaceFile; 
    double mVersionNumber; 
    unsigned mFileType; 
    unsigned mDataSize; 
    unsigned mNumNodes; 
    unsigned mNumElements; 
    unsigned mNumFaces; 
    unsigned mTotalNumElementsAndFaces; 
    unsigned mNumElementAttributes; 
    unsigned mNumFaceAttributes; 
    unsigned mOrderOfElements; 
    unsigned mOrderOfBoundaryElements; 
    unsigned mNodesPerElement; 
    unsigned mNodesPerBoundaryElement; 
};

#endif //_GMSHMESHREADER_HPP_