ScenarioLoader.h

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#pragma once
 
#include <iomanip>
#include <iostream>
#include <string>
#include <vector>
 
struct Scenario {
  std::string mapName{""};
  std::string filename{""};
  unsigned int id{0};
  unsigned int map_width{0};
  unsigned int map_height{0};
  unsigned int start_x{0};
  unsigned int start_y{0};
  unsigned int goal_x{0};
  unsigned int goal_y{0};
  double optimal_length{0};
 
  void loadMap();
 
  inline const std::vector<std::vector<char>> &getMap() {
    loadMap();
    return _grid;
  }
 
  friend std::ostream &operator<<(std::ostream &stream, const Scenario &s) {
    return stream << s.filename << " #" << s.id << " (with map " << s.mapName
                  << " " << s.map_width << "x" << s.map_height << " from ["
                  << s.start_x << " " << s.start_y << "] to [" << s.goal_x
                  << " " << s.goal_y << "], opt-l: " << s.optimal_length << ")";
  }
 
 private:
  std::vector<std::vector<char>> _grid;
};
 
class ScenarioLoader {
 public:
  ScenarioLoader() = default;
 
  void load(const std::string &fileName);
 
  inline int version() { return _version; }
 
  std::vector<Scenario> &scenarios() { return _scenarios; }
 
  // debug, prints data to terminal
  inline void printData() {
    for (const auto &scenario : _scenarios) {
      std::cout << scenario.id;
      std::cout << "  " << scenario.mapName;
      std::cout << "  " << scenario.map_width;
      std::cout << "  " << scenario.map_height;
      std::cout << "  " << scenario.start_x;
      std::cout << "  " << scenario.start_y;
      std::cout << "  " << scenario.goal_x;
      std::cout << "  " << scenario.goal_y;
      std::cout << std::fixed << std::setprecision(8) << "  "
                << scenario.optimal_length;
      std::cout << std::endl;
    }
  }
 
 private:
  int _version;
  std::string _fileName;
  std::vector<Scenario> _scenarios;
};