Data.h

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#pragma once 

#include <tuple>
#include <vector>
#include <iostream>

std::tuple<std::vector<MyObject>*,
           std::vector<bool>*,
           std::vector<size_t>*,
           std::vector<size_t>*,
           std::string> get_next_human_data(std::ifstream& fs) {
        
    auto objs     = new std::vector<MyObject>();
    auto corrects = new std::vector<bool>();
    auto yeses    = new std::vector<size_t>();
    auto nos      = new std::vector<size_t>();
    std::string conceptlist = ""; 
    
    S line;
    int prev_setNumber = -1;
    while(true) { 
        
        auto pos = fs.tellg(); // remember where we were since when we get the next set, we seek back
        
        // get the line
        auto& b = std::getline(fs, line);
        
        if(not b) { // if end of file, return
            return std::make_tuple(objs,corrects,yeses,nos,conceptlist);
        }
        else {
            // else break up the line an dprocess
            auto parts           = split(line, ' ');
            auto new_conceptlist = S(parts[0]) + S(parts[1]);
            int  setNumber       = std::stoi(parts[2]);
            bool correctAnswer   = (parts[4] == "True");
            MyObject o{parts[5], parts[6], parts[7]};
            size_t cntyes = std::stoi(parts[8]);
            size_t cntno  = std::stoi(parts[9]);
            
            // if we are on a new set, then we seek back and return
            if(prev_setNumber != -1 and setNumber != prev_setNumber) {
                fs.clear(); // must clear the EOF bit
                fs.seekg(pos, std::ios_base::beg); // so next time this gets called, it starts at the right set
                return std::make_tuple(objs,corrects,yeses,nos,conceptlist);
            }
            else {
                // else we are still building this set
                conceptlist = new_conceptlist;
                objs->push_back(o);
                corrects->push_back(correctAnswer);
                yeses->push_back(cntyes);
                nos->push_back(cntno);                      
            }
            
            
            prev_setNumber = setNumber;
        }
        
    }
               
}