Question
In C++ Plz and In What Order Do I Put It In. LAB: Playlist (output linked list) Given main(), complete the SongNode class to include
In C++ Plz and In What Order Do I Put It In.
LAB: Playlist (output linked list)
Given main(), complete the SongNode class to include the function PrintSongInfo(). Then write the PrintPlaylist() function in main.cpp to print all songs in the playlist. DO NOT print the dummy head node.
Ex: If the input is:
Stomp! 380 The Brothers Johnson The Dude 337 Quincy Jones You Don't Own Me 151 Lesley Gore -1
the output is:
LIST OF SONGS ------------- Title: Stomp! Length: 380 Artist: The Brothers Johnson Title: The Dude Length: 337 Artist: Quincy Jones Title: You Don't Own Me Length: 151 Artist: Lesley Gore
main.cpp Default Code:
#include
// TODO: Write PrintPlaylist() function
int main() { SongNode* headNode; SongNode* currNode; SongNode* lastNode;
string songTitle; string songLength; string songArtist;
// Front of nodes list headNode = new SongNode(); lastNode = headNode;
// Read user input until -1 entered getline(cin, songTitle); while (songTitle != "-1") { getline(cin, songLength); getline(cin, songArtist);
currNode = new SongNode(songTitle, songLength, songArtist); lastNode->InsertAfter(currNode); lastNode = currNode;
getline(cin, songTitle); }
// Print linked list cout << "LIST OF SONGS" << endl; cout << "-------------" << endl; PrintPlaylist(headNode); return 0; }
SongNode.h Default Code:
#include "iostream" #include
using namespace std;
class SongNode { private: string songTitle; string songLength; string songArtist; SongNode* nextNodeRef; // Reference to the next node
public: SongNode() { songTitle = ""; songLength = ""; songArtist = ""; nextNodeRef = NULL; }
// Constructor SongNode(string songTitleInit, string songLengthInit, string songArtistInit);
// Constructor SongNode(string songTitleInit, string songLengthInit, string songArtistInit, SongNode* nextLoc);
// insertAfter void InsertAfter(SongNode* nodeLoc);
// Get location pointed by nextNodeRef SongNode* GetNext(); // Prints song information void PrintSongInfo(); };
SongNode.cpp Default Code:
#include "SongNode.h"
// Constructor SongNode::SongNode(string songTitleInit, string songLengthInit, string songArtistInit) { this->songTitle = songTitleInit; this->songLength = songLengthInit; this->songArtist = songArtistInit; this->nextNodeRef = NULL; }
// Constructor SongNode::SongNode(string songTitleInit, string songLengthInit, string songArtistInit, SongNode* nextLoc) { this->songTitle = songTitleInit; this->songLength = songLengthInit; this->songArtist = songArtistInit; this->nextNodeRef = nextLoc; }
// insertAfter void SongNode::InsertAfter(SongNode* nodeLoc) { SongNode* tmpNext; tmpNext = this->nextNodeRef; this->nextNodeRef = nodeLoc; nodeLoc->nextNodeRef = tmpNext; }
// Get location pointed by nextNodeRef SongNode* SongNode::GetNext() { return this->nextNodeRef; }
// TODO: Write PrintSongInfo() function
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