C++ Please Help :

include <fstream>

include <iomanip>

include <iostream>

include <string>

include <cstdlib>

include <iterator>

include <vector>

include <sstream>

using namespace std;

class Car { friend istream &operator>>(istream&, Car&); friend ostream &operator<<(ostream&, Car&); public: Car (string carBrand, string carModel, int carYear); string getBrand(); string getModel(); int getYear(); protected: string brand; string model; int year;
}; istream &operator>>(istream& is, Car& c_in) { string line; getline(is, line);

istringstream iss(line);

iss >> c_in.brand;
iss >> c_in.model;
iss >> c_in.year;

getline(iss, c_in.brand);
getline(iss, c_in.model);
iss >> c_in.year;

return is;

} ostream &operator<<(ostream& os, Car& c_out) { os << c_out.brand <<" "<<c_out.model <<" "<<c_out.year; return os; } Car::Car(string carBrand, string carModel, int carYear) :brand(carBrand), model(carModel), year(carYear) {} string Car::getBrand() { return brand; } string Car::getModel() { return model; } int Car::getYear() { return year; } ///////////////////////////////////////////////////////////// class Parts { friend istream &operator>>(istream&, Parts&); friend ostream &operator<<(ostream&, Parts&); public: Parts(); Parts(string partsDescription, float partsPrice, string partsManufacturer,int partsQtySold); string getDescription(); float getPrice(); string getManufacturer(); int getQtySold(); protected: string description; float price; string manufacturer; int qtySold; };

istream& operator>>(istream& is, Parts& p_in) { string line; getline(is, line);

istringstream iss(line);

iss >> p_in.description;
iss >> p_in.price;
iss >> p_in.manufacturer;
iss >> p_in.qtySold;

getline(iss, p_in.description);
iss >> p_in.price;
getline(iss, p_in.manufacturer);
iss >> p_in.qtySold;
return is;

} ostream &operator<<(ostream& os, Parts& p_out) { os << p_out.description <<p_out.price <<p_out.manufacturer<<p_out.qtySold; return os; } Parts::Parts() { description = ""; price = 0; manufacturer = ""; qtySold = 0;

} Parts::Parts(string partsDescription, float partsPrice, string partsManufacturer,int partsQtySold) :description(partsDescription), price(partsPrice), manufacturer(partsManufacturer), qtySold(partsQtySold) {} string Parts::getDescription() { return description; } float Parts::getPrice() { return price; } string Parts::getManufacturer() { return manufacturer; } int Parts::getQtySold() { return qtySold; } ///////////////////////////////////////////////////////////// class Brakes :public Parts { friend istream &operator>>(istream&, Brakes&); friend ostream &operator<<(ostream&, Brakes&); public: Brakes(string partsDescription, float partsPrice, string partsManufacturer,int partsQtySold,Car c, string brakesMaterial); string getMaterial(); protected: Car car; string material; }; istream &operator>>(istream& is, Brakes& b_in) { string line; getline(is, line);

istringstream iss(line);

iss >> b_in.material;
iss >> b_in.description;
iss >> b_in.price;
iss >> b_in.manufacturer;
iss >> b_in.qtySold;

getline(iss, b_in.description);
iss >> b_in.price;
getline(iss, b_in.manufacturer);
iss >> b_in.qtySold;
getline(iss, b_in.material);

return is;

} ostream &operator<<(ostream& os, Brakes& b_out) { os << b_out.description <<b_out.price <<b_out.manufacturer <<b_out.qtySold << b_out.car.getBrand() <<b_out.car.getModel() << b_out.car.getYear()<<b_out.material; return os; } Brakes::Brakes(string partsDescription, float partsPrice, string partsManufacturer,int partsQtySold, Car c, string brakesMaterial) : Parts (partsDescription, partsPrice, partsManufacturer,partsQtySold),car(c), material(brakesMaterial) {} string Brakes::getMaterial() { return material; } ///////////////////////////////////////////////////////////// class Lights : public Parts { friend istream &operator>>(istream&, Lights&); friend ostream &operator<<(ostream&, Lights&); public:

    Lights(string partsDescription, float partsPrice, string partsManufacturer,int partsQtySold,Car c, int wat); 
    int getWatts(); 
protected:
    Car car;
    int watts; 

}; istream &operator>>(istream& is , Lights& l_in) { string line; getline(is, line);

istringstream iss(line);

iss >> l_in.watts;
iss >> l_in.description;
iss >> l_in.price;
iss >> l_in.manufacturer;
iss >> l_in.qtySold;

getline(iss, l_in.description);
iss >> l_in.price;
getline(iss, l_in.manufacturer);
iss >> l_in.qtySold;
iss >> l_in.watts;

return is;

} ostream &operator<<(ostream& os, Lights& l_out) { os << l_out.description <<l_out.price <<l_out.manufacturer <<l_out.qtySold << l_out.car.getBrand() <<l_out.car.getModel() << l_out.car.getYear() << l_out.watts; return os; } Lights::Lights(string partsDescription, float partsPrice, string partsManufacturer,int partsQtySold,Car c, int wat) : Parts (partsDescription, partsPrice, partsManufacturer,partsQtySold), car(c), watts(wat) {} int Lights::getWatts() { return watts; } /////////////////////////////////////////////////////////////

class Oil : public Parts { friend istream &operator>>(istream&, Oil&); friend ostream &operator<<(ostream&, Oil&); public: Oil(); Oil(string partsDescription, float partsPrice, string partsManufacturer,int partsQtySold, float weight,string type , float quarts); float getWeight(); string getType(); float getQuarts(); protected: float weight; string type; float quarts;
}; istream &operator>>(istream& is, Oil& o_in) { string line; getline(is, line);

istringstream iss(line);

iss >> o_in.weight;
iss >> o_in.type;
iss >> o_in.quarts;
iss >> o_in.description;
iss >> o_in.price;
iss >> o_in.manufacturer;
iss >> o_in.qtySold;

getline(iss, o_in.description);
iss >> o_in.price;
getline(iss, o_in.manufacturer);
iss >> o_in.qtySold;
iss >> o_in.weight;
getline(iss, o_in.type);
iss >> o_in.quarts;
return is;

} ostream &operator<<(ostream& os, Oil& o_out) { os << o_out.description<<o_out.price <<o_out.manufacturer <<o_out.qtySold << o_out.weight << o_out.type << o_out.quarts; return os; } Oil::Oil() { weight = 0.0; type = " "; quarts = 0.0; } Oil::Oil(string partsDescription, float partsPrice, string partsManufacturer,int partsQtySold, float wei,string typ , float quart) : Parts (partsDescription, partsPrice, partsManufacturer,partsQtySold), weight(wei), type(typ), quarts(quart) {} float Oil::getWeight() { return weight; } string Oil::getType() { return type; } float Oil::getQuarts() { return quarts; } ///////////////////////////////////////////////////////////// class Tires : public Parts { friend istream &operator>>(istream&, Tires&); friend ostream &operator<<(ostream&, Tires&); public: Tires(); Tires(string partsDescription, float partsPrice, string partsManufacturer,int partsQtySold,float tireSize ,int tireWarranty); float getSize(); int getWarranty(); protected: float size; int warranty ; }; istream &operator>>(istream& is, Tires& t_in) { string line; getline(is, line);

istringstream iss(line);

iss >> t_in.size;
iss >> t_in.warranty;
iss >> t_in.description;
iss >> t_in.price;
iss >> t_in.manufacturer;
iss >> t_in.qtySold;

getline(iss, t_in.description);
iss >> t_in.price;
getline(iss, t_in.manufacturer);
iss >> t_in.qtySold;
iss >> t_in.size;
iss >> t_in.warranty;
return is;

} ostream &operator<<(ostream& os, Tires& t_out) { os << t_out.description <<t_out.price <<t_out.manufacturer <<t_out.qtySold << t_out.size<< t_out.warranty; return os; } Tires::Tires() { size = 0; warranty = 0 ; } Tires::Tires(string partsDescription, float partsPrice, string partsManufacturer,int partsQtySold,float tireSize ,int tireWarranty) : Parts (partsDescription, partsPrice, partsManufacturer,partsQtySold), size(tireSize), warranty(tireWarranty) {} float Tires::getSize() { return size; } int Tires::getWarranty() { return warranty; }

///////////////////////////////////////////////////////////// int main() { ifstream FileIn("/Users/fatemehrostami/Desktop/Data.txt", ios::in); if (!FileIn) { cerr << "File could not be open"<<endl; exit (EXIT_FAILURE);

}