VertexMeshReader.hpp

/*
 
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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_*/