econdata.h

#pragma once
/**
 * OSU CS162-W18
 *
 * Holds structures, constants, and prototypes for this assignment.
 */
#include <cstdlib>
#include <iostream>
#include <fstream>
#include <string>
#include <sstream>

/**
 * The state county information.
 */
struct county {
  // The county name
  std::string name;
  // The unemployed rate in 2007
  float unemployed_2007;
  // The unemployed rate in 2015
  float unemployed_2015;
  // The medium income
  int med_income;
};

/**
 * The state information.
 */
struct state {
  // The state name
  std::string name;
  // The unemployed rate in 2007
  float unemployed_2007;
  // The unemployed rate in 2015
  float unemployed_2015;
  // The medium income
  int med_income;
  // The counties inside the state
  struct county* counties;
  // The ammount of counties inside the state
  int n_counties;
};

/**
 * Allocate an array of a specified number of states.
 */
struct state *allocate_states(int);

/**
 * Reads data for a specified number of states from an input file stream
 * into a given array
 */
void read_state_data(struct state *, int, std::ifstream &);

/**
 * Allocates an array of a specified number of countries.
 */
struct county *allocate_counties(int);

/**
 * Reads data for a specified number of counties from an input file stream
 * into a given array.
 */
void read_county_data(struct county *, int, std::ifstream &);

/**
 * Releases all data allocated to given array. You must make sure to call this
 * function when needed to make sure any allocated data is freed before it is
 * lost or before the program exits
 */
void free_state_data(struct state *, int);