Demo.cpp

/**
 * Demo for Family Tree
 * 
 * First version by Adam Lev-Ari,  2019-12
 * Second version by Erel Segal-Halevi, 2020-04
 */

#include "FamilyTree.hpp"

#include <iostream>
using namespace std;

int main() {
	family::Tree T ("Yosef"); // Yosef is the "root" of the tree (the youngest person).
	T.addFather("Yosef", "Yaakov")   // Tells the tree that the father of Yosef is Yaakov.
	 .addMother("Yosef", "Rachel")   // Tells the tree that the mother of Yosef is Rachel.
	 .addFather("Yaakov", "Isaac")
	 .addMother("Yaakov", "Rivka")
	 .addFather("Isaac", "Avraham")
	 .addFather("Avraham", "Terah");

	T.display();                        // displays the tree in a human-friendly format.

	cout << T.relation("Yaakov") << endl;  // prints "father"
	cout << T.relation("Rachel") << endl;  // prints "mother"
	cout << T.relation("Rivka") << endl;  // prints "grandmother"
	cout << T.relation("Avraham") << endl;  // prints "great-grandfather"
	cout << T.relation("Terah") << endl;  // prints "great-great-grandfather"
	cout << T.relation("xyz") << endl;  // prints "unrelated"
	cout << T.relation("Yosef") << endl;  // prints "me"

	cout << T.find("mother") << endl;  // prints "Rachel"
	cout << T.find("great-great-grandfather") << endl;  // prints "Terah"
	try {
		cout << T.find("uncle") << endl;  // throws an exception
	} catch (const exception& ex) {
	 	cout << ex.what() << endl;  // prints "The tree cannot handle the 'uncle' relation"
	}

	T.remove("Avraham"); // removes Avraham and Terah
	cout << T.relation("Terah") << endl;  // prints "unrelated"

    return 0;
}