///////////////////////////////////////////////////////////////////////// Songs.hpp #ifndef SONGS_HPP #define SONGS_HPP #include class Songs{ private: std::string songName; std::string singer; public: Songs(); Songs(const Songs&); std::string toString() const; /* Operators. */ friend std::ostream& operator << (std::ostream&, Songs&); friend std::istream& operator >> (std::istream&, Songs&); Songs& operator = (const Songs&); bool operator > (const Songs&) const; //bool operator >= (const Songs&) const; bool operator < (const Songs&) const; //bool operator <= (const Songs&) const; bool operator == (const Songs&) const; //bool operator != (const Songs&) const; // Setters. void setSongName(const std::string&); void setSinger(const std::string&); // Getters. std::string getSongName() const; std::string getSinger() const; }; #endif /////////////////////////////////////////////////////////////////////////// Songs.cpp #include "Songs.hpp" #include "Menu.h" Menu obj; /* Constructor and copy constructor. */ Songs::Songs(){ } Songs::Songs(const Songs& s) : songName(s.songName), singer(s.singer) { } std::string Songs::toString() const { std::string result; result += " | "; result += songName; result += " | "; result+= singer; return result; } /* Operators. */ std::ostream& operator << (std::ostream& os, Songs& s){ os << s.songName << std::endl; os << s.singer; return os; } std::istream& operator >> (std::istream& is, Songs& s){ is >> s.songName; is >> s.singer; return is; } Songs& Songs::operator = (const Songs& s){ songName = s.songName; singer = s.singer; return *this; } bool Songs::operator > (const Songs& s) const{ std::cout << obj.getFlag(); if(obj.getFlag()) return songName > s.songName; else return singer > s.singer; } /*bool Songs::operator >= (const Songs& s) const { if(obj.getFlag()) return songName >= s.songName; return singer >= s.singer; }*/ bool Songs::operator < (const Songs& s) const{ if(obj.getOption()) return songName < s.songName; else return singer < s.singer; } /*bool Songs::operator <= (const Songs& s) const { if(obj.getFlag()) return songName <= s.songName; return singer <= s.singer; }*/ bool Songs::operator == (const Songs& s) const{ if(obj.getOption()) return songName == s.songName; else return singer == s.singer; } /*bool Songs::operator != (const Songs& s) const { if(obj.getFlag()) return songName != s.songName; return singer != s.singer; }*/ // Setters. void Songs::setSongName(const std::string& _songName) { songName = _songName; } void Songs::setSinger(const std::string& _singer) { singer = _singer; } // Getters. std::string Songs::getSongName() const { return songName; } std::string Songs::getSinger() const { return singer; } //////////////////////////////////////// Menu.hpp #include #include #include "Songs.hpp" #include "Lista.hpp" class Menu{ private: int option; bool exit; bool flag; Lista songsList; Songs mySong; enum menu{ INSERT = 1, SEARCH_SONG, SORT_SONG, DELETE_SONG, EXIT }; public: // Constructor and copy constructor. Menu(); Menu(const Menu&); // Setters. void setOption(const int&); void setExit(const bool&); void setFlag(const bool&); // Getters. int getOption() const; bool getFlag() const; // Methods. void showMenu(); }; ////////////////////////////////////////////// Menu.h #include "Menu.h" /* Constructor and copy constructor. */ Menu::Menu() : option(0), exit(false) { } Menu::Menu(const Menu& m) : option(m.option), exit(m.exit), songsList(m.songsList), mySong(m.mySong) { } // Setters. void Menu::setExit(const bool& _exit) { exit = _exit; } void Menu::setOption(const int& _option) { option = _option; } void Menu::setFlag(const bool& _flag) { flag = _flag; } // Getters. int Menu::getOption() const { return option; } bool Menu::getFlag() const { return flag; } void Menu::showMenu(){ std::string aux; char op; do{ std::cout << "\033[2J\033[1;1H"; // Clear the screen. std::cout << std::endl; std::cout << "\nFormato de presentacion: \n" << "\nNumero de cancion.|Nombre de Cancion.|Cantante.\n\n"; std::cout << "Canciones en la lista...\n"; songsList.print(); // Print the song list all the time. std::cout << std::endl; std::cout << "\n\t\tMENU.\n\n"; std::cout << "1.Insertar.\n2.Buscar Canciones\n3.Ordenar Canciones\n4.Borrar.\n5.Salir."; std::cout << "\n\nInserte la opcion: "; std::cin >> option; setOption(option); std::cin.clear(); std::cin.ignore(); switch(getOption()){ case INSERT: do{ std::cout << "Inserte el nombre de la cancion: "; getline(std::cin, aux); mySong.setSongName(aux); std::cout << "Inserte el cantante: "; getline(std::cin, aux); mySong.setSinger(aux); songsList.insertData(songsList.getLastPos(), mySong); std::cout << "\nCancion exitosamente metida."; std::cout << "\nDesea insertar mas canciones? (S/N): "; std::cin >> op; std::cin.clear(); std::cin.ignore(); op = toupper(op); } while(op == 'S'); break; case SEARCH_SONG: if(songsList.isEmpty()){ std::cout << "\nNo puede buscar, la lista de canciones esta vacia.\n"; } else{ int selection; std::string sn; std::cout << "1. Busqueda Lineal. " << std::endl; std::cout << "2. Busqueda Binaria. " << std::endl; std::cin >> selection; std::cin.clear(); std::cin.ignore(); /* Linear search. */ if(selection == 1){ std::cout << "\nInserte el nombre de la cancion a buscar: "; getline(std::cin, sn); mySong.setSongName(sn); if(songsList.busquedaLineal(mySong) != -1){ std::cout << std::endl << "CANCION ENCONTRADA: " << std::endl << std::endl; std::cout << songsList.retrieve(songsList.busquedaBin(mySong)).toString(); std::cout << std::endl << std::endl; std::cout << "PRESIONE UNA TECLA PARA CONTINUAR..." << std::endl; std::cin.get(); } else { std::cout << "Cancion no encontrada." << std::endl; std::cin.get(); } /* Binary search. */ } else if(selection == 2){ std::cout << "\nInserte el nombre de la cancion a buscar: "; getline(std::cin, sn); mySong.setSongName(sn); if(songsList.busquedaBin(mySong) != -1){ std::cout << std::endl << "CANCION ENCONTRADA: " << std::endl << std::endl; std::cout << songsList.retrieve(songsList.busquedaBin(mySong)).toString(); std::cout << std::endl << std::endl; std::cout << "PRESIONE UNA TECLA PARA CONTINUAR..." << std::endl; std::cin.get(); } else { std::cout << "Cancion no encontrada." << std::endl; std::cin.get(); } } // end else if } // end else. break; case SORT_SONG: if(songsList.isEmpty()){ std::cout << "\nNo puede ordenar, la lista de canciones esta vacia.\n"; } else{ int option; std::cout << "\nSeleccione como quiere ordenar:\n"; std::cout << "1) Por nombre de la cancion.\n"; std::cout << "2) Por nombre del cantante.\n"; std::cin >> option; // By song name. if(option == 1){ setFlag(true); std::cout << "valo de la flag para name: " << getFlag(); std::cout << "\nInserte el metodo a usar para ordenar.\n"; std::cout << "1) Burbuja mejorada.\n"; std::cout << "2) Shell.\n"; std::cout << "3) Insercion.\n"; std::cout << "4) Seleccion.\n"; std::cin >> option; // Sort methods. if(option == 1){ songsList.bubbleSortData(); } else if(option == 2){ songsList.shellSortData(); } else if(option == 3){ songsList.insertSortData(); } else if(option == 4){ songsList.selectSortData(); } // By singer name. } else if(option == 2){ setFlag(false); std::cout << "valo de la flag para singer: " << getFlag(); std::cout << "\nInserte el metodo a usar para ordenar.\n"; std::cout << "1) Burbuja mejorada.\n"; std::cout << "2) Shell.\n"; std::cout << "3) Insercion.\n"; std::cout << "4) Seleccion.\n"; std::cin >> option; // Sort methods. if(option == 1){ songsList.bubbleSortData(); } else if(option == 2){ songsList.shellSortData(); } else if(option == 3){ songsList.insertSortData(); } else if(option == 4){ songsList.selectSortData(); } } std::cout << "\nLista ordenada por nombre de la cancion..."; } break; case DELETE_SONG: if(songsList.isEmpty()) std::cout << "\nNo puede borrar, la lista de canciones esta vacia.\n"; else{ int songNum; // songNumber. std::cout << "Inserte el numero de cancion que quiera eliminar: "; std::cin >> songNum; songsList.deleteData(songNum - 1); // -1 because the index starts at 0. } std::cout << "\nCancion eliminada.\n"; break; case EXIT: setExit(true); std::cout << "Saliendo..."; std::cin.get(); break; } } while(!exit); std::cout << "\033[2J\033[1;1H"; }

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