Class CircleDividerParser{

  // does the parsing logic to capture the values
  void Dowork(filename){
    std::ifstream file_stream.open(filename);
    std::string line;
    while(std::getline(file_stream, line){
       std::string str;
       std::stringstream ss(line);
       int i = 0;
       while(std::getline(ss, str, ',')){
         holder[i] = str;
         i++;
       }
       pcc.add_pie_cutting_info(holder);
    }

  }

  private:
   std::array<std::string, 9> holder;
   PieCutterCreator pcc;

};

class PieCutterCreator{

public:
  void add_pie_cutting_info(std::array<std::string, 9> arr){
     PieCuttingInfo obj;

     obj.AddPieCuttingStyleName(arr[0]);
     obj.AddRadius(arr[1]);
     ...
     ..

  }
  PieCuttingInfo GetPieCuttingInfo(const std::string& name_to_find);

  std::vector<PieCuttingInfo> GetAllPieCuttingInfo() { return collect;}

private:
  std::vector<PieCuttingInfo> collect;

};

class PieCuttingInfo{

  class enum angle_type {Degree, Radian};

public:
  PieCuttingInfo()=default;

  void AddPieCuttingStyleName(const std::string& name){ pie_cutting_style_name = name;}

  void AddRaius(const std::string& r) {radius = r;}

  void AddAngleType(const std::string& at) {
    if(at == "degree"){
      angle_value = angle_type::Degree;
    }else if(at == "radian"){
      angle_value = angle_type::Radian;
    }else {// error}
  }
   ...


private:

 std::string pie_cutting_style_name;
 std::string radius;// radius or pie
 std::string x;//  x-coordinate of pie center
 std::string y;//  y-coordinate of pie center
 std::string angle_type;  angle can be either degree or radian
 std::string angle_value; value of angle that could be radian or degree
 std::string direction;  clock wise or anti-clockwise angle
 std::string from_x;   x point in circle from where the angle is measured
 std::string from_y;   y point in circle from where the angle is measured

};


class PieCuttingMaching(){

  void DoAllThePieCutting(){
    save = obj.GetAllPieCuttingInfo();
    for(auto& it: save){
        // use the info from PieCuttingInfo to do the job
    }
  }

private:
  std::vector<PieCuttingInfo> save;
  PieCutterCreator obj;
}