Hello guys,
I'm quite new to C++, I'm trying to achieve a task whereby i could read from a csv file and write to that same file and vice versa depending on the user's selection. This is what i did:
Here's the data already on file
1,Mickey,23,090,Girne,TRNC,465
2,Charles,23,090,Girne,TRNC,465
3,Species,23,090,Girne,TRNC,465
4,Moody,23,090,Girne,TRNC,465
5,Kpokiyo,23,090,Girne,TRNC,465
6,Sualp,23,090,Girne,TRNC,465
Here's the code i wrote so far
#include <iostream>
#include <sstream>
#include <fstream>
#include <vector>
#include <string>
using namespace std;
bool checkIsFile();
void addUser(string e[][7], int num);
void readAllUsers(string x[][7]);
void breakArray(string x[], string y[][7], int num);
bool checkAccout(string x[], int y, string search);
void findUser(string x[], string y[],string z[], string a[],string t[],
string c[], string d[]);
int findRowNumber();
int main()
{
int option;
int acc;
string emp[findRowNumber()][7];
string account[findRowNumber()], age[findRowNumber()],name[findRowNumber()],
state[findRowNumber()], city[findRowNumber()], phone[findRowNumber()],
zip[findRowNumber()];
//infinite loop
while(true){
cout<<"-------------------------\n";
cout<<"Menu Options\n";
cout<<"1 Add account\n";
cout<<"2 List Accounts\n";
cout<<"3 Delete account\n";
cout<<"4 Find user\n";
cout<<"5 Exit program\n";
cout<<"-------------------------\n";
cin>>option;
if(option==1)
{
readAllUsers(emp);
addUser(emp, findRowNumber());
}
else if(option==2)
{
//readAllUsers(emp);
}
else if(option==3)
{
//delete a user;
}
else if(option==4)
{
//find user
readAllUsers(emp);
breakArray(account,emp,0);
breakArray(name,emp,1);
breakArray(age,emp,2);
breakArray(phone,emp,3);
breakArray(city,emp,4);
breakArray(state,emp,5);
breakArray(zip,emp,6);
findUser(account,name,age,phone,city,state,zip);
}
else if(option==5)
{
return 0;
}
else
{
cout<<"Invalid option\n";
}
}
}
void addUser(string e[][7], int num)
{
string emp[num + 1][7];
for(int a=0;a<num;a++)
{
for(int b=0;b<7;b++)
{
emp[a][b] = e[a][b];
}
}
//just to test if it works
emp[num][0] = "10";
emp[num][1] = "10";
emp[num][2] = "10";
emp[num][3] = "10";
emp[num][4] = "10";
emp[num][5] = "10";
emp[num][6] = "10";
ofstream inFile;
inFile.open("info.csv");
for(int a=0;a<num + 1;a++)
{
for(int b=0;b<7;b++)
{
cout<<emp[a][b];
}
}
for(int i=0;i<num +1; i++)
{
inFile << emp[i][0] + "," + emp[i][1] + "," + emp[i][2] + "," + emp[i][3] + "," + emp[i][4] + "," + emp[i][5] + "," + emp[i][6]<<endl;
}
inFile.close();
}
void readAllUsers(string x[][7])
{
ifstream inFile("info.csv");
string line;
int linenum = 0;
while (getline (inFile, line))
{
istringstream linestream(line);
string item;
int itemnum = 0;
while (getline (linestream, item, ','))
{
x[linenum][itemnum] = item;
itemnum++;
}
linenum++;
}
inFile.close();
}
void breakArray(string x[], string y[][7], int num)
{
for(int i=0;i<findRowNumber();i++)
{
for(int j=0;j<7;j++)
{
x[i] = y[i][num];
}
}
}
bool checkAccout(string x[], int y, string search)
{
bool check = false;
for(int i=0;i<y;i++)
{
if(x[i]==search)
{
check = true;
}
}
return check;
}
void findUser(string x[], string y[],string z[], string a[],
string t[], string c[], string d[])
{
string search;
bool check = false;
cout<<"Enter Account Number to Search: ";
cin>>search;
for(int i=0;i<findRowNumber();i++)
{
if(x[i]==search)
{
cout<<"Account Number: " + x[i]<<endl<<
"Name:\t\t" + y[i]<<endl<<
"Age:\t\t" + z[i]<<endl<<
"Phone:\t\t" + a[i]<<endl<<
"City:\t\t" + t[i]<<endl<<
"State:\t\t" + c[i]<<endl<<
"Zip:\t\t" + d[i]<<endl;
check = true;
}
}
if(!check)
cout<<"User does not exist"<<endl;
}
int findRowNumber()
{
ifstream inFile("info.csv");
string line;
int linenum = 0;
while (getline (inFile, line))
{
linenum++;
}
inFile.close();
return linenum;
}
It seems to work great when i choose to search for a user(selecting 4). However, the problem is when i try to write to file, it's works but when i try to do any other task like searching the user again or re-writing to file, the program crashes.
Please what i'm i doing wrong.
Thanks