Lab-8 Linked List

#include <iostream>
#include <string>
#include <iomanip>

using namespace std;

int idgen = 0;

class Car{
private:
    int id;
    string manufacturer;
    float mileage;
    string color;
    Car *next;
public:
    Car(): id(++idgen), manufacturer("N/A"), mileage(0.0), color("N/A"), next(NULL) {}
    Car(string menf, float mlg, string clr): id(++idgen), manufacturer(menf), mileage(mlg), color(clr), next(NULL) {}
    ~Car() {}

    void show() {
        cout << left << setw(15) << "ID " << ": " << left << id << endl;
        cout << left << setw(15) << "Manufacturer " << ": " << left << manufacturer << endl;
        cout << left << setw(15) << "Color " << ": " << left << color << endl;
        cout << left << setw(15) << "Mileage " << ": " << left << mileage << endl << endl;
    }

    void read(){
        cout << "Enter info for Car " << id << endl;
        cout << "Enter Manufacturer: ";
        cin >> manufacturer;
        cout << "Enter Color: ";
        cin >> color;
        cout << "Enter Mileage: ";
        cin >> mileage;
    }

    string getMan() { return manufacturer;}
    string getColor() { return color;}
    float getMile() { return mileage;}
    void setNext(Car *C) { next = C;}
    Car * getNext() { return next;}
    void setMile(float m) { mileage = m;}
};

void showToyota(Car *C){
    Car *Current;
    for(Current = C; Current != NULL; Current = Current -> getNext())
        if(Current -> getMan() == "Toyota" || Current -> getMan() == "toyota")
            Current -> show();
}

void showRed(Car *C){
    Car *Current;
    for(Current = C; Current != NULL; Current = Current -> getNext())
        if(Current -> getColor() == "Red" ||Current -> getColor() == "red")
            Current -> show();
}

void show25(Car *C){
    Car *Current;
    for(Current = C; Current != NULL; Current = Current -> getNext())
        if(Current -> getMile() >= 25.0)
            Current -> show();
}

void setToyota(Car *C){
    Car *Current;
    for(Current = C; Current != NULL; Current = Current -> getNext())
        if(Current -> getMan() == "Toyota" || Current -> getMan() == "toyota"){
            Current -> setMile(40.0);
            Current -> show();
        }
}


int main(){
    Car *Front = new Car();
    Car *Current;
    Car *Last;

    Current = Front;

    while(true) {
        Last = Current;
        Current -> read();

        char cont;
        cout << "Do you want to continue (y/n)? ";
        cin >> cont;
        if(cont == 'n' || cont == 'N') break;
        Current = new Car();
        Last -> setNext(Current);
    }

    cout << endl << endl << "PRINTING ALL" << endl;
    for(Current = Front; Current != NULL; Current = Current -> getNext())
        Current -> show();

    cout << endl << endl << "PRINTING ALL TOYOTA" << endl;
    showToyota(Front);
    cout << endl << endl << "PRINTING ALL RED" << endl;
    showRed(Front);
    cout << endl << endl << "PRINTING ALL 25+" << endl;
    show25(Front);
    cout << endl << endl << "setting All TOYOTA 40" << endl;
    setToyota(Front);

    return 0;
}