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//playlist.h:
#ifndef _PLAYLIST_H_
#define _PLAYLIST_H_
#include <iostream>
#include "song.h"
using namespace std;
class Playlist
{
public:
Playlist();
~Playlist();
void AddSong(const Song& s);
void DeleteSong(const Song& s);
void Show();
private:
Song *playList;
int size_of_playlist;
int numberOfSongs;
};
#endif
// playlist.cpp
#include <iostream>
#include <iomanip>
#include <cctype>
#include <cstring>
#include "playlist.h"
using namespace std;
Playlist::Playlist()
{
size_of_playlist = 2;
numberOfSongs = 0;
playList = new Song[size_of_playlist];
}
Playlist::~Playlist()
{
delete [] playList;
}
void Playlist::AddSong(const Song& s)
{
if (numberOfSongs == size_of_playlist)
{
Song* arr = new Song[size_of_playlist+1];
arr[size_of_playlist] = s;
for(int i = 0; i < size_of_playlist; i++)
{
arr[i] = playList[i];
}
playList = arr;
delete[] arr;
arr = NULL;
}
else
{
numberOfSongs++;
playList[numberOfSongs - 1] = s;
}
}
void Playlist::DeleteSong(const Song& s)
{
// First search specified song
int index = 0;
/*for (index = 0; index < numberOfSongs; index++)
{
if (playList[index] == s)
{
break;
}
}*/
// Maybe not found
if (index == numberOfSongs)
{
return;
}
// Remove song fron array
while (index < (numberOfSongs-1))
{
playList[index] = playList[index+1];
index++;
}
// We got one less song
numberOfSongs--;
}
void Playlist::Show()
{
Song s;
if (numberOfSongs == size_of_playlist)
{
Song* arr = new Song[size_of_playlist+1];
arr[size_of_playlist] = s;
for(int i = 0; i < size_of_playlist; i++)
{
arr[i] = playList[i];
cout << arr[i].GetTitle();
}
}
}
// song.h
#include <iostream>
using namespace std;
#ifndef _SONG_H
#define _SONG_H
enum Style {POP, ROCK, ALTERNATIVE, COUNTRY, HIPHOP, PARODY};
class Song
{
// operator overload -- described at bottom
friend ostream& operator<<(ostream& os, const Song& s);
public:
Song(); // default constructor, sets up blank song object of <"", "", Pop, 0>
void Set(const char* t, const char* a, Style st, int sz);
const char* GetTitle() const; // returns the title stored in the object
const char* GetArtist() const; // returns the artist
int GetSize() const; // returns the file size in kilobytes
Style GetCategory() const; // returns the song category
private:
char title[36]; // may assume title is 35 characters or less
char artist[21]; // may assume artist name is 20 characters or less
Style category; // style of the given song
int size; // file size, stored in kilobytes
};
/*
Title Artist Style Size (MB)
Examples:
Pictures of You The Cure Alt 4.4
Bohemian Rhapsody Queen Rock 5.7
What Does the Fox Say Ylvis Par 12.6
*/
#endif
// song.cpp
#include <iostream>
#include <iomanip>
#include <cstring>
#include <cctype>
#include "song.h"
using namespace std;
Song::Song()
{
strcpy(title, "");
strcpy(artist, "");
category = POP;
size = 0;
}
void Song::Set(const char *t, const char *a, Style st, int sz)
{
t = title;
a = artist;
st = category;
sz = size;
}
const char* Song::GetTitle() const
{
return title;
}
const char* Song::GetArtist() const
{
return artist;
}
int Song::GetSize()const
{
return size;
}
Style Song::GetCategory() const
{
return category;
}
ostream& operator<<(ostream& os, const Song& s)
{
os << s.title << setw(15) << s.artist << setw(15) << s.category << setw(10) << s.size << endl;
return os;
}
// main.cpp
#include <iostream>
#include <iomanip>
#include <cctype>
#include "song.h"
#include "playlist.h"
using namespace std;
int main()
{
int ss;
char ti[36], ar[25];
int sinput;
Song s;
Style g;
Playlist f;
char search[36];
char input;
do {
cout << "------MENU------ " << endl;
cout << "A: Add a song to the playlist" << endl;
cout << "F: Find a song on the playlist" << endl;
cout << "D: Delete a song from the playlist" << endl;
cout << "S: Show the entire playlist" << endl;
cout << "C: Category summary" << endl;
cout << "Z: Show playlist size" << endl;
cout << "M: Show this menu" << endl;
cout << "X: Exit the program" << endl;
cout << "Enter your input: ";
cin >> input;
if ( input == 'a' || input == 'A')
{
cin.ignore();
cout << "Please enter the title: ";
cin.get(ti, 36, '\n');
cin.ignore();
cout << "\nPlease enter the artist: ";
cin.get(ar, 25, '\n');
cout << "Please enter a category: ";
cin >> sinput;
g = static_cast<Style>(sinput);
cout << "Please enter the size: ";
cin >> ss;
s.Set(ti, ar, g, ss);
}
else if ( input == 'f' || input == 'F')
{
cout << "Please enter a search string: ";
cin >> search;
}
else if ( input == 'd' || input == 'D')
{
}
else if ( input == 's' || input == 'S')
{
f.Show();
}
else if ( input == 'c' || input == 'C')
{
}
else if ( input == 'z' || input == 'Z')
{
}
else if ( input == 'm' || input == 'M')
{
cout << "Menu: " << endl;
cout << "A: Add a song to the playlist" << endl;
cout << "F: Fine a song on the playlist" << endl;
cout << "D: Delete a song from the playlist" << endl;
cout << "S: Show the entire playlist" << endl;
cout << "C: Category summary" << endl;
cout << "Z: Show playlist size" << endl;
cout << "M: Show this menu" << endl;
cout << "X: Exit the program" << endl;
cout << "Please enter on the following letters: ";
cin >> input;
}
else if (input == 'x' || input == 'X')
{
}
else
{
cout << "Wrong input! Please try again..." << endl;
}
} while(input != 'X' || input != 'x');
return 0;
}
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