Podatocen Centar

#include<iostream>
#include<cstring>

using namespace std;

enum Extension {txt, pdf, exe };

class File{
    private:
    char *ime;
    Extension e;
    char *sopstvenik;
    int golemina;

    public:
    File(){
        ime=NULL;
        e=(Extension) 0;
        sopstvenik=NULL;
        golemina=0;
    }

    File(char *ime, char *sopstvenik, int golemina, Extension e){
        this->ime=new char[strlen(ime)+1];
        strcpy(this->ime, ime);

        this->sopstvenik=new char[strlen(sopstvenik)+1];
        strcpy(this->sopstvenik,sopstvenik);

        this->golemina=golemina;
        this->e=e;
    }

    File(const File &f){
        this->ime=new char[strlen(f.ime)+1];
        strcpy(this->ime, f.ime);

        this->sopstvenik=new char[strlen(f.sopstvenik)+1];
        strcpy(this->sopstvenik,f.sopstvenik);

        this->golemina=f.golemina;
        this->e=f.e;
    }

    File &operator=(const File &f){
        if(this!=&f){
            delete[]ime;
        this->ime=new char[strlen(f.ime)+1];
        strcpy(this->ime, f.ime);

            delete[]sopstvenik;
        this->sopstvenik=new char[strlen(f.sopstvenik)+1];
        strcpy(this->sopstvenik,f.sopstvenik);

        this->golemina=f.golemina;
        this->e=f.e;
        }

        return *this;
    }

    ~File(){
        delete [] ime;
        delete [] sopstvenik;
    }

    void print(){
        cout<<"File name: "<<ime<<".";
        if(e==1)
            cout<<"txt";
        else if(e==0)
            cout<<"pdf";
        else
            cout<<"exe";

        cout<<endl<<"File owner: "<<sopstvenik<<endl;
        cout<<"File size: "<<golemina<<endl;
    }

    bool equals(const File &that){
        if((strcmp(ime,that.ime)==0)&&(strcmp(sopstvenik,that.sopstvenik)==0)&&e==that.e)
            return true;
        else
            return false;
    }

    bool equalsType(const File &that){
        if((strcmp(ime,that.ime)==0)&&e==that.e)
            return true;
        else
            return false;
    }

};

class Folder{
private:
    char *ime;
    File *files;
    int br_dat;
public:
    Folder(const char *name){
        ime=new char[strlen(name)+1];
        strcpy(ime,name);
        files=NULL;
        br_dat=0;
    }

    ~Folder(){
        delete [] ime;
        delete [] files;
    }

    void print(){
        cout<<"Folder name: "<<ime<<endl;
        for(int i=0;i<br_dat;i++){
            files[i].print();
        }
    }

    void remove(const File &file){
        int indeks=-1;
        for(int i=0;i<br_dat;i++){
            if(files[i].equals(file)){
                indeks=i;
                break;
            }
        }

        if(indeks==-1)
            return;

        File *tmp=new File[br_dat -1];
        int j=0;
        for(int i=0;i<br_dat;i++){
            if(i!=indeks){
            tmp[j]=files[i];
                j++;
            }
                else continue;
        }

        delete [] files;
        files=tmp;
        br_dat--;
    }

    void add(const File &file){
        File *tmp=new File[br_dat + 1];

        for(int i=0;i<br_dat;i++){
            tmp[i]=files[i];
        }

        tmp[br_dat]=file;
        delete[]files;
        files=tmp;
        br_dat++;
    }
};

int main() {
    char fileName[20];
    char fileOwner[20];
    int ext;
    int fileSize;

    int testCase;
    cin >> testCase;
    if (testCase == 1) {
        cout << "======= FILE CONSTRUCTORS AND = OPERATOR =======" << endl;
        cin >> fileName;
        cin >> fileOwner;
        cin >> fileSize;
        cin >> ext;

        File created = File(fileName, fileOwner, fileSize, (Extension) ext);
        File copied = File(created);
        File assigned = created;

        cout << "======= CREATED =======" << endl;
        created.print();
        cout << endl;
        cout << "======= COPIED =======" << endl;
        copied.print();
        cout << endl;
        cout << "======= ASSIGNED =======" << endl;
        assigned.print();
    }
    else if (testCase == 2) {
        cout << "======= FILE EQUALS & EQUALS TYPE =======" << endl;
        cin >> fileName;
        cin >> fileOwner;
        cin >> fileSize;
        cin >> ext;

        File first(fileName, fileOwner, fileSize, (Extension) ext);
        first.print();

        cin >> fileName;
        cin >> fileOwner;
        cin >> fileSize;
        cin >> ext;

        File second(fileName, fileOwner, fileSize, (Extension) ext);
        second.print();

        cin >> fileName;
        cin >> fileOwner;
        cin >> fileSize;
        cin >> ext;

        File third(fileName, fileOwner, fileSize, (Extension) ext);
        third.print();

        bool equals = first.equals(second);
        cout << "FIRST EQUALS SECOND: ";
        if (equals)
            cout << "TRUE" << endl;
        else
            cout << "FALSE" << endl;

        equals = first.equals(third);
        cout << "FIRST EQUALS THIRD: ";
        if (equals)
            cout << "TRUE" << endl;
        else
            cout << "FALSE" << endl;

        bool equalsType = first.equalsType(second);
        cout << "FIRST EQUALS TYPE SECOND: ";
        if (equalsType)
            cout << "TRUE" << endl;
        else
            cout << "FALSE" << endl;

        equalsType = second.equals(third);
        cout << "SECOND EQUALS TYPE THIRD: ";
        if (equalsType)
            cout << "TRUE" << endl;
        else
            cout << "FALSE" << endl;

    }
    else if (testCase == 3) {
        cout << "======= FOLDER CONSTRUCTOR =======" << endl;
        cin >> fileName;
        Folder folder(fileName);
        folder.print();

    }
    else if (testCase == 4) {
        cout << "======= ADD FILE IN FOLDER =======" << endl;
        char name[20];
        cin >> name;
        Folder folder(name);

        int iter;
        cin >> iter;

        while (iter > 0) {
            cin >> fileName;
            cin >> fileOwner;
            cin >> fileSize;
            cin >> ext;

            File file(fileName, fileOwner, fileSize, (Extension) ext);
            folder.add(file);
            iter--;
        }
        folder.print();
    }
    else {
        cout << "======= REMOVE FILE FROM FOLDER =======" << endl;
        char name[20];
        cin >> name;
        Folder folder(name);

        int iter;
        cin >> iter;

        while (iter > 0) {
            cin >> fileName;
            cin >> fileOwner;
            cin >> fileSize;
            cin >> ext;

            File file(fileName, fileOwner, fileSize, (Extension) ext);
            folder.add(file);
            iter--;
        }
        cin >> fileName;
        cin >> fileOwner;
        cin >> fileSize;
        cin >> ext;

        File file(fileName, fileOwner, fileSize, (Extension) ext);
        folder.remove(file);
        folder.print();
    }
    return 0;
}