d06 ex02

d06/ex02/main.cpp

@@ -0,0 +1,77 @@
+#include <iostream>
+#include <cstdlib>
+#include <exception>
+
+#include "Classes.hpp"
+
+Base * generate() {
+	Base *base;
+
+	srand (time(NULL));
+	int	i = rand() % 3;
+
+	if (i == 0)
+	{
+		std::cout << "A\n";
+		base = new A();
+	}
+	else if (i == 1)
+	{
+		std::cout << "B\n";
+		base = new B();
+	}
+	else
+	{
+		std::cout << "C\n";
+		base = new C();
+	}
+
+	return base;
+}
+
+void identify(Base* p) {
+	A * a;
+	B * b;
+	C * c;
+
+	a = dynamic_cast<A *>(p);
+	if ( a != NULL)
+		std::cout << "A\n";
+	b = dynamic_cast<B *>(p);
+	if ( b != NULL)
+		std::cout << "B\n";
+	c = dynamic_cast<C *>(p);
+	if ( c != NULL)
+		std::cout << "C\n";
+}
+
+void identify(Base& p) {
+	Base base;
+	try {
+		base = dynamic_cast<A&>(p);
+		std::cout << "<A> ";
+	}
+	catch ( std::exception ) {std::cout << "<not A...> ";}
+	try {
+		base = dynamic_cast<B&>(p);
+		std::cout << "<B> ";
+	}
+	catch ( std::exception ) {std::cout << "<not B...> ";}
+	try {
+		base = dynamic_cast<C&>(p);
+		std::cout << "<C> ";
+	}
+	catch ( std::exception ) {std::cout << "<not C...> ";}
+	std::cout << "\n";
+}
+
+int	main() {
+
+	Base *base = generate();
+
+	identify(base);
+	identify(*base);
+
+	delete base;
+	return 0;
+}