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/*This program creates a class that contains the name
of a student, the course, and the course grade.
*/
#include "stdafx.h"
#include <iostream>
using namespace std;
#include <iomanip>
#include <fstream>
#include <string>
const unsigned short int MAXELS = 10;
class course_grade{
private:
string course;
string grade;
public:
course_grade();
course_grade(string courseIn, string gradeIn);
void setCourseGrade(string, string);
void setCourse(string);
void setGrade(string);
void getCourseGrade();
void getCourse();
void getGrade();
};
void OpenFile(ifstream&, string);
void readGrades(ifstream&, course_grade *);
void CloseFile(ifstream&, string);
int main()
{
int n = 0;
ifstream inFile;
string fileName = "students.txt";
course_grade myGrades[MAXELS], *myGradesPtr = myGrades;
//open the file
OpenFile(inFile, fileName);
//read the file into an array
readGrades(inFile, myGradesPtr);
//close the file
CloseFile(inFile, fileName);
return 0;
}
course_grade::course_grade()
//0 parameter constructor
{
setCourseGrade("N/A", "0");
}
course_grade::course_grade(string courseIn, string gradeIn)
{//double parameter contructor
course = courseIn;
grade = gradeIn;
}
void course_grade::setCourseGrade(string inCourse, string inGrade)
{//sets the course and grade for the student
course = inCourse;
grade = inGrade;
}
void course_grade::setCourse(string inCourse)
{//sets the course for the student
course = inCourse;
}
void course_grade::setGrade(string inGrade)
{//sets the grade for the student
grade = inGrade;
}
void course_grade::getCourseGrade()
{//dsiplays the coure and grade
cout << "The grade for the course " << course << "is: " << grade << endl;
}
void course_grade::getCourse()
{//gets the course for the student
cout << "The course is " << course << endl;
}
void course_grade::getGrade()
{//gets the grade for the course
cout << "The grade is " << grade << endl;
}
void OpenFile(ifstream& Infile, string filename)
{ //function that opens file, catches any errors
try //try to open the file
{
Infile.open(filename); // open the file
if (Infile.fail()) //if it fails, thow an exception
{
throw filename;
}
else
{
cout << "The input file has been opened" << endl;
}
}
catch (string filename) //catch the exception
{
cout << "The file '" << filename << "' was not opened.\nPlease make sure the file exists in the directory!\n";
cout << "The program will now terminate. Have a nice day!\n";
system("pause");
exit(1); //exit the program
}
}
void ReadGrades(ifstream& gradeInFile, course_grade *gradeArray)
{ //reads grades from file, assigns them to the array
string name, courseName, score;
cout << "The readGrades funciton is working....\n\n";
gradeInFile >> name >> courseName >> score;
gradeArray->setCourseGrade(courseName, score);
cout << "Here is the entire list for: " << name << endl << endl;
cout << "COURSE NAME SCORE\n";
cout << "------------------------------------------\n";
cout << setw(10) << std::left << name << setw(5) << std::right << score << endl;
gradeArray++;
//read and assign information from file until EOF
while (gradeInFile >> courseName >> score)
{
gradeArray->setCourseGrade(courseName, score);
cout << setw(10) << std::left << name << setw(5) << std::right << score << endl;
gradeArray++;
}
cout << endl;
system("pause");
}
void CloseFile(ifstream& InFile, string FileName)
{//closes the file for future use
InFile.close();
cout << "\nThe file '" << FileName << "' has been closed.\n\n";
system("pause");
}
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