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lib_info.cpp
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lib_info.cpp
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//Walter Ashworth and Andy Zeng
//Reference: We got structs from the write up and the time conversion from stackoverflow
//https://stackoverflow.com/questions/39885508/parsing-a-string-with-a-colon-and-setting-both-sides-to-different-variables-c
#include "structs.h"
#include <iostream>
#include <vector>
#include <fstream>
#include <string>
#include <algorithm>
#include <iomanip>
using namespace std;
void output( map<string,Artist> &Artists);
int main(int argc, char *argv[]) {
map<string,Artist> Artists;
vector<string> line(6);
ifstream file;
unsigned int minutes, seconds;
file.open(argv[1], ifstream::in);
/* Reference for line:
0 is Song Name
1 is Song Length
2 is Artist Name
3 is Album Name
4 is Genre
5 is Song Position in Album*/
//while the file can input into line 6 times it will it will replace the underscore with a space
while(file>>line.at(0)>>line.at(1)>>line.at(2)>>line.at(3)>>line.at(4)>>line.at(5)) {
for(int i = 0; i<6;++i) {
replace(line[i].begin(), line[i].end(), '_', ' ');
}
Artists[line.at(2)].albums[line.at(3)].songs[stoi(line.at(5))].title = line.at(0);
sscanf(line.at(1).c_str(), "%2d:%2d", &minutes, &seconds);
Artists[line.at(2)].albums[line.at(3)].songs[stoi(line.at(5))].time = (minutes*60+seconds);
Artists[line.at(2)].albums[line.at(3)].songs[stoi(line.at(5))].track = (stoi(line.at(5)));
Artists[line.at(2)].albums[line.at(3)].nsongs=Artists[line.at(2)].albums[line.at(3)].songs.size();
Artists[line.at(2)].albums[line.at(3)].time+=Artists[line.at(2)].albums[line.at(3)].songs[stoi(line.at(5))].time;
Artists[line.at(2)].albums[line.at(3)].name = line.at(3);
Artists[line.at(2)].name=line.at(2);
Artists[line.at(2)].time+=Artists[line.at(2)].albums[line.at(3)].songs[stoi(line.at(5))].time;
Artists[line.at(2)].nsongs++;
}
output(Artists);
return 0;
}
//comment output into the formated on the writeup
void output(map<string,Artist> &Artists) {
for(map<string,Artist>::iterator i = Artists.begin(); i!=Artists.end(); ++i) {
cout << left << setw(0) << i->second.name << ": " << i->second.nsongs << ", " << i->second.time / 60 << ":" << right << setw(2) << setfill('0') << i->second.time % 60 << endl;
for (map<string, Album>::iterator j = i->second.albums.begin(); j != i->second.albums.end(); ++j){
cout << left << setw(0) << " " << j->second.name << ": " << j->second.nsongs << ", " << j->second.time / 60 << ":" << right << setw(2) << setfill('0') << j->second.time % 60 << endl;
for (map<int, Song>::iterator k = j->second.songs.begin(); k != j->second.songs.end(); ++k){
cout << left << setw(0) << " " << k->second.track << ". " << k-> second.title << ": " << k->second.time / 60 << ":" << right << setw(2) << setfill('0') << k->second.time % 60 << '\n';
}
}
}
}