ive got a struct here which i then create a vector of pointers of type stuct people. in my problem i read in 2 files. i have comlpeted all of file 1 work. file 2 i have to read in 2 sets of names the first being the "child" and the second the "parent"... i have to link the parent to the child and then display the information. i think ive gotten where to do it im just getting an error.
here is the code..
the red is where i should b doing this...Code:#include <iostream> #include <vector> #include <string> #include <fstream> using namespace std; struct Date{ int month; int day; int year; }; struct Person{ string fn; string ln; Person* parent; Date bday; }; //open file of names and bdays void openFile(ifstream& ifs); //function to fill vector with names and birthdays void processNames(ifstream& ifs, vector<Date*>& dat, vector<Person*>& per); //display people from first file void displayNames(const vector<Date*>& dat, const vector<Person*>& per); void procParents(vector<Person*>& per, ifstream& ifs2); //process the child and parent info void displayParents(ifstream& ifs2, vector<Person*>& per, vector<Date*>& dat); int main() { ifstream ifs1, ifs2; //streams for opening files openFile(ifs1); //open file vector<Date*> dat; // vector of pointers to struct date vector<Person*> per; //vector of pointers to struct Person processNames(ifs1, dat, per); //call function to fill vector displayNames(dat, per); //call function to display vectors openFile(ifs2); //open the second file procParents(per, ifs2); //Parents(per); displayParents(ifs2, per, dat); //update parent and child vector return 0; } void openFile(ifstream& ifs) // open file { string fileName; //name of file given by user cout << "Enter file name: "; cin >> fileName; cout << endl; ifs.open(fileName.c_str()); //open the file if(!ifs) // check for failure { cerr << "Error opening " << fileName << endl; exit(1); // exit if file opening failed } } //process all the names and information into the 2 vectors void processNames(ifstream& ifs, vector<Date*>& dat, vector<Person*>& per) { //temporary month day and year int m, d, y; //temporary first and last name string fName, lName; //loop while we have information in the file while (ifs >> fName >> lName >> m >> d >> y) { Person* p = new Person; // point to a new struct person per.push_back(p); //push back to accept new information //pointer now holds new first name p->fn = fName; //new last name p->ln = lName; //initially there is no link to parents p->parent = NULL; Date* da = new Date; //point to a new stuct date dat.push_back(da); //push back to accept new information //pointer now holds new month da->month = m; //new day da->day = d; //new year da->year = y; } } void displayNames(const vector<Date*>& dat, const vector<Person*>& per) { //loop through vector. sizes are equal so size() of //either vector will work for(size_t i = 0; i < per.size(); ++i) { //output all the information cout << "Name: " << per[i]->ln << ", " << per[i]->fn << "; DOB: " << dat[i]->month << "/" << dat[i]->day << "/" <<dat[i]->year; cout << endl; } cout << "=========================================="<<endl; } void procParents(vector<Person*>& per, ifstream& ifs2) { string fn1, fn2; //first names from file string ln1, ln2; //last names from file while(ifs2 >> fn1 >> ln1 >> fn2 >> ln2) { for(size_t z=0; z < per.size(); ++z) { for(size_t y=0; y < per.size(); ++y)//we found the child { if(fn1 == per[z]->fn && fn2 == per[y]->fn) { per[z]->parent = &per[z]; } } } }} //output final people w/ their parents //NOT DONE!!!! void displayParents(ifstream& ifs2, vector<Person*>& per, vector<Date*>& dat) { for(size_t a = 0; a < per.size(); ++a) { //output all the information cout << "Name: " << per[a]->ln << ", " << per[a]->fn << "; DOB: " << dat[a]->month << "/" << dat[a]->day << "/" <<dat[a]->year << "; parent: Name: "; cout << endl; } }
i cant figure out how to link the child to the parent properly. i get this error on my laptop
but on my pc i get this error same exact fileCode:c:\Documents and Settings\PolyUser\Desktop\CS1124\HW02\hw02\hw02\hw02.cpp(131): error C2440: '=' : cannot convert from 'std::allocator::value_type *__w64 ' to 'Person *' with [ _Ty=Person * ]
Basically i just need help in linking the two together.Code:d:\Poly\CS1124\hw02\hw02\hw02.cpp(132): error C2440: '=' : cannot convert from 'Person ** ' to 'Person *'
here is a link for the proper output that i should have
http://cis.poly.edu/cs1124/Homework/hw02/output.txt
