feat(cmat): Completed Ex61 Part 2

cmat/Ex61/Person.cpp

@@ -1,37 +1,44 @@
-#include "Person.h"
-#include "PersonException.h"
-#include "YoungPerson.h"
-#include <iostream>
-
-using std::cout;
-
-Person::Person(std::string name, int age) : name(name), age(age) {
-    if (age < 0) {
-        throw PersonException("negative age");
-    }
-
-    cout << "Person ctor\n";
-    Count++;
-}
-
-Person::Person(const Person &) {
-    cout << "Copy ctor\n";
-    Count++;
-}
-
-Person::~Person() {
-    cout << "Dtor\n";
-    Count--;
-}
-
-void Person::setSalary(int sal) {
-    if (sal < 0) {
-        throw PersonException("negative salary");
-    }
-
-    salary = sal;
-}
-
-int Person::GetCount() { return Count; }
-
-int Person::Count = 0;
+#include "Person.h"
+#include "PersonException.h"
+#include "YoungPerson.h"
+#include <cstddef>
+#include <iostream>
+#include <memory>
+
+using std::cout;
+
+std::shared_ptr<Person> Person::GetPerson(std::string name, int age) {
+    if (age < 18) return std::make_shared<YoungPerson>(name, age);
+    return std::make_shared<Person>(name, age);
+}
+
+Person::Person(std::string name, int age) : name(name), age(age) {
+    if (age < 0) {
+        throw PersonException("negative age");
+    }
+
+    cout << "Person ctor\n";
+    Count++;
+}
+
+Person::Person(const Person &) {
+    cout << "Copy ctor\n";
+    Count++;
+}
+
+Person::~Person() {
+    cout << "Dtor\n";
+    Count--;
+}
+
+void Person::setSalary(int sal) {
+    if (sal < 0) {
+        throw PersonException("negative salary");
+    }
+
+    salary = sal;
+}
+
+int Person::GetCount() { return Count; }
+
+int Person::Count = 0;