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Header:
#ifndef RECORDFILE_H
#define RECORDFILE_H
#include <string>
using namespace std;
//****************************************************************************************************
class Records
{
private:
string studentName;
double *quiz;
double *assignment;
int weeks;
public:
void load(ifstream& inf);
void store(ofstream& of);
Records ();
void setData ( string, int, double[], double[]);
~Records ();
};
#endif
main:
#include "RecordFile.h"
#include <string>
#include <iostream>
#include <fstream>
//****************************************************************************************************
Records::Records ()
{
studentName = "";
weeks = 0;
quiz = NULL;
assignment = NULL;
}
//****************************************************************************************************
void Records::setData( string name, int size, double q[], double a[])
{
studentName = name;
weeks = size;
quiz = new double [size];
assignment = new double[size];
for (int i = 0; i < weeks; i++)
{
assignment[i] = a[i];
quiz[i] = q[i];
}
}
//****************************************************************************************************
void Records::store(ofstream& of)
{
double temp;
of.write (reinterpret_cast < char* > (&studentName), sizeof(studentName));
of.write (reinterpret_cast < char* > (&weeks), sizeof(weeks));
for( int i = 0; i < weeks; i++)
{
temp = assignment[i];
of.write (reinterpret_cast < char*> (&temp), sizeof (temp));
temp = quiz[i];
of.write (reinterpret_cast < char*> (&temp), sizeof (temp));
}
}
//****************************************************************************************************
void Records::load(ifstream& inf)
{
double temp;
inf.read (reinterpret_cast < char* > (&studentName), sizeof(studentName));
inf.read (reinterpret_cast < char* > (&weeks), sizeof(weeks));
for( int i = 0; i < weeks; i++)
{
temp = assignment[i];
inf.read (reinterpret_cast < char*> (&temp), sizeof (temp));
temp = quiz[i];
inf.read(reinterpret_cast < char*> (&temp), sizeof (temp));
}
}
//****************************************************************************************************
Records::~Records()
{
}
//****************************************************************************************************
driver:
#include "RecordFile.h"
#include <iostream>
#include <string>
#include <iomanip>
#include <fstream>
using namespace std;
//****************************************************************************************************
int main()
{
Records record;
char selection;
string name;
double *q = nullptr ;
double *a = nullptr ;
int weeks;
Records ();
cout<<"\n Menu";
cout<<"\n========";
cout<<"\n A - Add records to file";
cout<<"\n B - Display all records";
cout<<"\n D - Quit";
cout<<"\n Enter selection: ";
cin>>selection;
switch(selection)
{
case 'A' :
{
cout << "Enter the student's name" << endl;
cin >> name;
cout << "How many assignments and quizes have you had so far?" << endl;
cin>> weeks;
for (int i = 0; i > weeks; i++)
{
cout << "enter assingment score" << endl;
cin >> a[i];
cout << "enter quiz score" << endl;
cin >> q[i];
}
record.setData ( name, weeks, a, q);
ofstream myfile;
myfile.open("Records.dat", ios::binary | ios::out);
record.store (myfile);
myfile.close();
}
case 'B' :
break;
case 'D' :
{
break;
}
}
return 0;
}
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