VertexMeshReader.hpp

/*

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 * Redistributions in binary form must reproduce the above copyright notice,
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   software without specific prior written permission.

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*/
#ifndef VERTEXMESHREADER2D_HPP_
#define VERTEXMESHREADER2D_HPP_

#include <string>
#include <fstream>
#include <cassert>
#include <vector>

#include "Exception.hpp"
#include "AbstractMeshReader.hpp"

struct VertexElementData
{
    std::vector<unsigned> NodeIndices; 
    std::vector<ElementData> Faces; 
    std::vector<bool> Orientations; 
    unsigned AttributeValue; 
    unsigned ContainingElement; 
};

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

    std::string mFilesBaseName;

    std::ifstream mNodesFile;

    std::ifstream mElementsFile;

    bool mIndexFromZero;

    unsigned mNumNodes;

    unsigned mNumElements;

    unsigned mNodesRead;

    unsigned mElementsRead;

    unsigned mNumNodeAttributes;

    unsigned mNumElementAttributes;

    void OpenFiles();

    void OpenNodeFile();

    void OpenElementsFile();

    void ReadHeaders();

    void CloseFiles();

    void GetNextLineFromStream(std::ifstream& fileStream, std::string& rawLine);

public:

    VertexMeshReader(std::string pathBaseName);

    ~VertexMeshReader()
    {}

    unsigned GetNumElements() const;

    unsigned GetNumNodes() const;

    unsigned GetNumElementAttributes() const;

    unsigned GetNumFaces() const;

    ElementData GetNextFaceData();

    unsigned GetNumEdges() const;

    void Reset();

    std::vector<double> GetNextNode();

    ElementData GetNextElementData();

    VertexElementData GetNextElementDataWithFaces();
};

#endif /*VERTEXMESHREADER2D_HPP_*/