task1.cpp

#include <iostream>
#include "reading.cpp"

int main()
{
    reading();
    std::vector<Animal *> anims;
    std::vector<Person> owners;

    std::ifstream file("input.txt");
    if (!file.is_open())
    {
        std::cerr << "File is not open!";
        exit(1);
    }
    if (file.peek() == EOF)
    {
        std::cerr << "The file is empty!";
        exit(1);
    }

    std::string owner_name = "";
    std::string str_OwnerAge = "";
    std::string animal_type = "";
    std::string breed = "";
    std::string animal_name = "";
    std::string animal_age = "";
    int ownerAge;
    int animalAge;

    while (!file.eof())
    {
        getline(file, owner_name, ',');
        getline(file, str_OwnerAge, ';');
        getline(file, animal_type, ',');
        getline(file, breed, ';');
        getline(file, animal_name, ';');
        getline(file, animal_age);
        ownerAge = stoi(str_OwnerAge);
        animalAge = stoi(animal_age);
        if (breed == "!")
        {
            breed = "None";
        }

        if (animal_type == "cat")
        {
            anims.push_back(new Cat(animal_name, animalAge, breed));
            Person pr(owner_name, ownerAge, anims[anims.size() - 1]);
            bool isFind = 0;
            for (auto &ps : owners)
            {
                if (ps.GetOwnerName() == owner_name && ps.GetOwnerAge() == ownerAge)
                {
                    ps.Push_Animal(anims[anims.size() - 1]);
                    isFind = 1;
                    break;
                }
            }
            if (!isFind)
            {
                owners.push_back(pr);
            }
        }
        if (animal_type == "dog")
        {
            anims.push_back(new Dog(animal_name, animalAge, breed));
            Person pr(owner_name, ownerAge, anims[anims.size() - 1]);
            bool isFind = 0;
            for (auto &ps : owners)
            {
                if (ps.GetOwnerName() == owner_name && ps.GetOwnerAge() == ownerAge)
                {
                    ps.Push_Animal(anims[anims.size() - 1]);
                    isFind = 1;
                    break;
                }
            }
            if (!isFind)
            {
                owners.push_back(pr);
            }
        }
        if (animal_type == "fish")
        {
            anims.push_back(new Fish(animal_name, animalAge, breed));
            Person pr(owner_name, ownerAge, anims[anims.size() - 1]);
            bool isFind = 0;
            for (auto &ps : owners)
            {
                if (ps.GetOwnerName() == owner_name && ps.GetOwnerAge() == ownerAge)
                {
                    ps.Push_Animal(anims[anims.size() - 1]);
                    isFind = 1;
                    break;
                }
            }
            if (!isFind)
            {
                owners.push_back(pr);
            }
        }

        std::string owner_name = "";
        std::string str_OwnerAge = "";
        std::string animal_type = "";
        std::string breed = "";
        std::string animal_name = "";
        std::string animal_age = "";
        int ownerAge = 0;
        int animalAge = 0;
    }

    std::cout << "------------------------------------------------\nThe first task:\n";
    std::set<std::string> set_animal;
    for (int i = 0; i < owners.size(); ++i)
    {
        std::vector<Animal *> animls = owners[i].GetVectorAnimal();
        for (Animal *anim : animls)
        {
            if (Cat *c = dynamic_cast<Cat *>(anim))
            { // динамическое приведение типов (dynamic_cast)
                set_animal.insert("cat");
            }
            if (Dog *d = dynamic_cast<Dog *>(anim))
            {
                set_animal.insert("fish");
            }
            if (Fish *c = dynamic_cast<Fish *>(anim))
            {
                set_animal.insert("dog");
            }
        }
        std::cout << "Owner " << owners[i].GetOwnerName() << "(" << owners[i].GetOwnerAge() << " years old) has " << set_animal.size() << " different animals\n";
        animls.clear();
        set_animal.clear();
    }

    for (Animal *anim : anims) // освобождение памяти
    {
        delete anim;
    }
}