csci240/06 - Heap of Students/06_heap-of-students/Main.cpp

#include <cstdlib>
#include <fstream>
#include <string>
#include <cstdio>
#include <iostream>

#include "Address.h"
#include "Date.h"
#include "Student.h"

using namespace std;

const int NUM_STUDENTS = 50;

int main(){

	// create arrays to store info
	Address * addresses[NUM_STUDENTS];
	Date * birthdays[NUM_STUDENTS];
	Date * graddays[NUM_STUDENTS]; 
	Student * students[NUM_STUDENTS]; 
	string names[NUM_STUDENTS];
	
	// create objects to read and write files
	ifstream fin ("students.dat");
	ofstream fullReport ("fullReport.txt");
	ofstream shortReport ("shortReport.txt");
	ofstream alphaReport ("alphaReport.txt");

	// create strings for everything and read the first line
	string lname = "";		getline(fin, lname, ',');
	string fname = "";		getline(fin, fname, ',');		
	string line1 = "";		getline(fin, line1, ',');		
	string line2 = "";		getline(fin, line2, ',');		
	string city = "";		getline(fin, city, ',');		
	string state = "";		getline(fin, state, ',');		
	string zip = "";		getline(fin, zip, ',');		
	string birthday = "";	getline(fin, birthday, ',');	
	string gradday = "";	getline(fin, gradday, ',');		
	string gpa = "";		getline(fin, gpa, ',');		
	string credits = "";	getline(fin, credits);
	
	int i, j = 0;
	// for each student...
	for(i = 0; i < NUM_STUDENTS; i++){
		// ... read the information, ...
		getline(fin, lname, ',');
		getline(fin, fname, ',');
		getline(fin, line1, ',');
		getline(fin, line2, ',');
		getline(fin, city, ',');
		getline(fin, state, ',');
		getline(fin, zip, ',');
		getline(fin, birthday, ',');
		getline(fin, gradday, ',');
		getline(fin, gpa, ',');
		getline(fin, credits);
		
		// ... create objects with the information, ...
		addresses[i] = new Address(line1, line2, city, state, zip);
		birthdays[i] = new Date(birthday);
		graddays[i] = new Date(gradday);
		students[i] = new Student(fname, lname, birthdays[i],
					 graddays[i], addresses[i], gpa, credits);
		names[i] = students[i]->getLname() + "," + students[i]->getFname();
		
		// ... write the information full report, ...
		fullReport 	<< students[i]->getLname() 				<< ","
					<< students[i]->getFname() 				<< ","
					<< students[i]->getAddress().getLine1() << ","
					<< students[i]->getAddress().getLine2()	<< ","
					<< students[i]->getAddress().getCity()	<< ","
					<< students[i]->getAddress().getState()	<< ","
					<< students[i]->getAddress().getZip()	<< ","
					<< students[i]->getBirthday().getDate()	<< ","
					<< students[i]->getGradday().getDate()	<< ","
					<< students[i]->getGpa()				<< ","
					<< students[i]->getCredits()			<< endl;
		
		// ... and write the short report.
		shortReport << students[i]->getLname() << "," 
					<< students[i]->getFname() << endl;
	}
	
	// bubble sort
	string hold = ""; // temporary variable
	for(i = 0; i < NUM_STUDENTS - 1; i++){
		for(j = 0; j < NUM_STUDENTS - 1; j++){
			if(names[j].compare(names[j + 1]) > 0){
				hold = names[j];
				names[j] = names[j + 1];
				names[j + 1] = hold;
			}
		}
	}
	
	for(i = 0; i < NUM_STUDENTS; i++){
		alphaReport << names[i] << endl; // write the alphabetical report
		delete addresses[i]; // free memory
		delete birthdays[i]; // free memory
		delete graddays[i]; // free memory
		delete students[i]; // free memory
	}
	
	// close file streams
	fin.close();
	fullReport.close();
	shortReport.close();
	alphaReport.close();
}