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// Define pre-fompiled headers
#include <iostream>
#include <string>
#include <fstream>
#include <cmath>
#include <iomanip>
#include <stdio.h>
using namespace std;
int check = 0; // Input validation statement.
// int final = 0; // Input validation statement.
int limit = 99;
struct StudentRec // Structure to define variables in the Student Records.
{
string Name; // String data for the Name of studnet.
string ID; // String name for the ID # of the student.
double GPA; // Define GPA of students.
bool compare(StudentRec valid) // Validate data
{
if(Name == valid.Name && ID == valid.ID && GPA == valid.GPA) // If statment to validate data
return true; // If correct, return true
return false; // If incorrect, return false.
}
};
void read_a_record(StudentRec students[100], int &limit) // Void function for reading the .txt file of the student records.
{
// Define string variables.
StudentRec cow;
int check = 0;
string full, // Full name of the student
lastnm, // Last name of the student.
firstnm, // First name of student.
id, // ID number of student
name; // Name.
double gpa; // Define gpa.
ifstream file; // Pre-pare opening of file.
file.open("StudentRecords.txt"); // Open StudentRecords.txt
if (!file) // Validation statement
{
cout << "Can't open input file " << endl; // Tell user that the file could not be read correctly.
exit(1); // End program.
}
for(int x = 0;x <= check; x++) // Make sure data is not displayed past amont of students.
{
file >> firstnm >> lastnm >> id >> gpa; // Call variables.
}
name = lastnm + ", " +firstnm;
// Take variable from struct
cow.Name = name; // Name
cow.ID = id; // ID
cow.GPA = gpa; // GPA
file.close(); // Close file
check++; // Add 1 to check
}
void print_a_record(StudentRec show) // Function to display data
{
// Display data in orderly and readable fashion. Left center data.
cout
<< left << setw(15) << show.Name
<< setw(11) << show.ID
<< setw(7) << fixed << setprecision(2) << show.GPA << endl;
}
// Function to call Menu to display to user.
// Function to end program if user enters 5.
int end()
{
return 0;
}
void addsrecord (StudentRec students[100], int &limit)
{
StudentRec apple;
string full; // Full name.
string lname; // Last name
string fname; // First name
string id; // ID
double gpa; // GPA
int location=limit+1;
if(location == 99)
{
cout << "Error, array has been exceded!!" << endl;
return;
}
limit ++;
cout << "Please enter the students last name.." << endl;
cin >> lname;
cout << "Please enter the students first name.." << endl;
cin >> fname;
full = lname + ", " + fname;
apple.Name = full;
cout << "Please enther the student Id number beginning with M" << endl;
cin >> id;
apple.ID = id;
cout << "Please enter the students GPA" << endl;
cin >> gpa;
apple.GPA = gpa;
students[location]= apple;
}
void disall (StudentRec students[100], int limit)
{
int x; // Define variable
// Display all definition of data. Left center all data and display variables in
cout << left << setw(5) << "No." << left << setw(15) << "Name" << setw(11) << "ID" << setw(7) << "GPA" << endl;
cout << "--------------------------------------------------------------------\n";
for(x = 0; x <= limit; x++) // For statement to display 1 through 10, but is x has to be limited by number of studnets.
{
cout << x+1 << ". "; // Display 1 through 10 with a ".", with for statment parameters, will only diaplay till 7.
print_a_record(students[x]); // Call print_a_function to display all data read from file.
}
}
void delsrecord ()
{
}
void findsrecord(StudentRec students[100], int limit)
{
string input;
cout << "Enter the ID number of the student you wish to find (M########) " << endl;
cin >> input;
// loop to compare strings for the search
int count;
for (count=0; count <= limit; count++)
{
if(students[count].ID == input)
{
cout << "Student has been found." << endl;
cout << "Name: " << students[count].Name << endl << "GPA: " << students[count].GPA << endl <<
"ID: " << students[count].ID << endl;
return;
}
cout << count << limit << endl;
if (count==limit)
{
cout << "Can't find student!" << endl;
}
else
{
continue;
}
}
}
void save (StudentRec students [], int limit)
{
ofstream file;
file.open("StudentRecords.txt");
string temper; // A convertName for students[p].Name
for(int p =0; p <=limit; p++)
{
file << students[p].Name<< " " << students[p].ID << " " << students[p].GPA << endl;
}
file.close ();
}
// Void statement to display menu to user.
void displayMenu(StudentRec students [100])
{
cout << "Student Records / Shawn Razek / Copyright 2010" << endl;
cout << endl;
cout << "Please Choose:" << endl;
cout << "(1) Add a student record" << endl;
cout << "(2) Delete a student record" << endl;
cout << "(3) Find a studnet's information" << endl;
cout << "(4) Display all information in the database" << endl;
cout << "(5) Exit Program" << endl;
int input;
cin >> input;
// Input validation.
while (input < 1 || input > 5)
{
cout << "You did not enter a correct choice!!" << endl;
cin >> input;
}
// Switch statement to call function user has chosen.
switch(input)
{
case 1: addsrecord(students,limit);
save(students,limit);
break;
case 2: delsrecord;
break;
case 3: findsrecord(students,limit);
break;
case 4: disall(students, limit);
break;
case 5: end ();
break;
default: cout << "You did not enter a correct choice!!" << endl;
break;
}
}
int main() // Open up program
{
char loop;
StudentRec students[100];
read_a_record(students, limit);
do
{
displayMenu(students);
cout << "To continue, Please press Y, otherwise any key to quit" << endl;
cin >> loop;
}
while(loop =='Y' || loop =='y');
{
return 0;
}
return 0;
}
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