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#include <iostream>
#include <fstream>
using namespace std;
const int FIELD_MAX_SIZE = 50;
const int BUFFER_LINE_SIZE = 1024;
struct OOPstudent
{
char firstName[FIELD_MAX_SIZE];
char lastName[FIELD_MAX_SIZE];
char email[FIELD_MAX_SIZE];
int fn;
};
int countLines(const char* fileName)
{
ifstream f(fileName);
if (!f.is_open())
return -1;
int linesCount = 0;
while (!f.eof())
{
char buff[1024];
f.getline(buff, 1024);
linesCount++;
}
f.close();
return linesCount;
}
// abc,bcd,ab@Abv.bg,fn
void readStudent(const char* input, OOPstudent& student)
{
int ind = 0;
// first name
while (input[ind] != ',')
{
student.firstName[ind] = input[ind];
ind++;
}
student.firstName[ind] = '\0';
ind++;
//last name
int lastNameInd = 0;
while (input[ind] != ',')
student.lastName[lastNameInd++] = input[ind++];
student.lastName[lastNameInd] = '\0';
ind++;
//email
int emailInd = 0;
while (input[ind] != ',')
student.email[emailInd++] = input[ind++];
student.email[emailInd] = '\0';
//fn
//??
}
void saveStudentsToFile(const OOPstudent* studentsCollection,int len, const char* fileName)
{
ofstream outFile(fileName);
if (!outFile.is_open())
return;
for (int i = 0; i < len; i++)
outFile << studentsCollection[i].firstName << " " << studentsCollection[i].lastName << " " << studentsCollection[i].email << endl;
outFile.close();
}
int main()
{
int studentsCount = countLines("students.csv") - 1; // We ignore the first line
OOPstudent* studentsCollection = new OOPstudent[studentsCount];
ifstream f("students.csv");
if (!f.is_open())
{
cout << "Error!" << endl;
delete[] studentsCollection;
return -1;
}
int line = 1;
while (!f.eof())
{
char buff[BUFFER_LINE_SIZE];
f.getline(buff, BUFFER_LINE_SIZE);
if (line == 1)
{
line++;
continue;
}
readStudent(buff, studentsCollection[line - 2]);
line++;
}
f.close();
//Do stuff
saveStudentsToFile(studentsCollection, studentsCount, "result.txt");
delete[] studentsCollection;
return 0;
}
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