CS-161 Assignment 7 - Back up 11/20/15

assignment7.cpp

// Assignment #7 - Cash register
// Author: Nicholas Fazzolari
// Date 19/11/2015
// Sources: 

#include <iostream>
#include <fstream>
#include <string>
#include <iomanip>

using namespace std;

struct Item {
	string code;
	string name;
	double price;
};

const int MAX_ITEMS = 100;
Item items[MAX_ITEMS];

int loadData();
string getName(string code);
double getPrice(string code);

int main() {
	int retVal;

	// test driver for load data - currently working
	retVal = loadData();
	for (int i = 0; i < retVal; i++) {
		cout << items[i].code << " " << items[i].name << " " << items[i].price << " " << endl;
	}

	// i've tried multiple statements here which all broke my application
	cout << retVal << endl;

	return 0;
}

// the following function prompts the user for a file,
// if a valid file has been found the function stores the data
// in each respective element of the structs members which
// are initialized as arrays with 100 elements
int loadData() {
	ifstream infile;
	string input;
	int itemCount = 0;

	cout << "Please enter a file path/name: ";
	getline(cin, input);
	infile.open(input.c_str());
	if (!infile.is_open()) {
		cout << "Error opening file.";
		return -1;
	}
	
	// read the data into struct arrays for each element
	// there are three elements: code, name, price
	while (getline(infile, input)) {
		items[itemCount].code = input.substr(0, 5).c_str();
		items[itemCount].name = input.substr(10, 21).c_str();
		items[itemCount].price = atof(input.substr(36, 5).c_str());
		itemCount++;
	}
	return itemCount;
}