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#include <iostream>

#include <regex>

#include <set>

#include <string>

#include <sstream>

#include <string>

#include "TFile.h"

#include "TTree.h"

using namespace mesh_converter;

MeshMap SilvacoParser::read_meshes(const std::string& file_name) {

    /*// changing file extension

    std::string original_file_name = file_name; // save a copy just in case

    std::string silvaco_extension = "dat";

    string::size_type i = file_name.rfind('.', file_name.length());

   if (i != string::npos) {

      file_name.replace(i+1, silvaco_extension.length(), silvaco_extension);

   }

   */

    std::ifstream file(file_name);

    if(!file) {

    file.seekg(0, std::ios::beg);

    LOG(DEBUG) << "Grid file contains " << num_lines << " lines to parse";

    std::vector<Point> vertices;

    std::string region = "Silicon";

            iss.clear();

        }

        // Handle data

        std::stringstream sstr(line);

        // Read vertex points

                vertices.emplace_back(y, z);

            }

        }

    }

    LOG_PROGRESS(STATUS, "gridlines") << "Parsing grid file: done.";

    std::map<std::string, std::vector<Point>> ret_map;

    // std::vector<Point> ret_vector; // same thing as vertices for Silvaco

    file.seekg(0, std::ios::beg);

    LOG(DEBUG) << "Field data file contains " << num_lines << " lines to parse";

    // std::map<std::string, std::vector<Point>> region_electric_field_map;

    std::map<std::string, std::map<std::string, std::vector<Point>>> region_electric_field_map;

    std::vector<double> region_electric_field_num;

            iss.clear();

        }

        // Handle data

        std::stringstream sstr(line);

        double num = NAN;

            region_electric_field_num.clear();

        }

        if(dimension == 3) {

            for(size_t i = 0; i < region_electric_field_num.size(); i += 3) {

                auto x = region_electric_field_num[i];

        region_electric_field_num.clear();

    }

    LOG_PROGRESS(STATUS, "fieldlines") << "Parsing field data file: done.";

    return region_electric_field_map;