feat(cmat): Completed Ex61 Part 2

cmat/Ex61/Person.cpp

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

cmat/Ex61/Person.h

@@ -1,28 +1,31 @@
-
+
-
+
-#ifndef Person_h
+#ifndef Person_h
-#define Person_h
+#define Person_h
-
+
-#include <string>
+#include <memory>
-
+#include <string>
-class Person {
+
-  public:
+class Person {
-    virtual ~Person();
+  public:
-
+    virtual ~Person();
-    static int GetCount();
+
-
+    static int GetCount();
-    Person(std::string name, int age);
+
-
+    Person(std::string name, int age);
-    void setSalary(int sal);
+
-
+    void setSalary(int sal);
-  private:
+
-    Person(const Person &);
+    static std::shared_ptr<Person> GetPerson(std::string name, int age);
-
+
-    std::string name;
+  private:
-    int age;
+    Person(const Person &);
-    int salary;
+
-
+    std::string name;
-    static int Count;
+    int age;
-};
+    int salary;
-
+
-#endif
+    static int Count;
+};
+
+#endif

cmat/Ex61/main.cpp

@@ -1,75 +1,69 @@
-
+
-#include <exception>
+#include <exception>
-#include <string>
+#include <memory>
-#include <vector>
+#include <string>
-
+#include <vector>
-#include "Person.h"
+
-
+#include "Person.h"
-#include "PersonException.h"
+
-#include <iostream>
+#include "PersonException.h"
-
+#include <iostream>
-using std::cin;
+
-using std::cout;
+using std::cin;
-using std::string;
+using std::cout;
-using std::exception;
+using std::string;
-
+using std::exception;
-int main() {
+
-    std::vector<Person *> people;
+int main() {
-
+    std::vector<std::shared_ptr<Person>> people;
-    string namePrompt = "Enter name: ";
+
-    string name;
+    string namePrompt = "Enter name: ";
-    string agePrompt = "Enter age: ";
+    string name;
-    int age;
+    string agePrompt = "Enter age: ";
-    string salaryPrompt = "Enter salary: ";
+    int age;
-    int salary;
+    string salaryPrompt = "Enter salary: ";
-
+    int salary;
-    cout << namePrompt;
+
-    cin >> name;
+    cout << namePrompt;
-
+    cin >> name;
-    while (name != "q") {
+
-        try {
+    while (name != "q") {
-            cout << agePrompt;
+        try {
-            cin >> age;
+            cout << agePrompt;
-
+            cin >> age;
-            if (!cin) {
+
-                cin.clear();
+            if (!cin) {
-                string dummy;
+                cin.clear();
-                cin >> dummy;
+                string dummy;
-                throw PersonException("invalid age");
+                cin >> dummy;
-            }
+                throw PersonException("invalid age");
-
+            }
-            Person *personPtr = new Person(name, age);
+
-
+            auto personPtr = Person::GetPerson(name, age);
-            cout << salaryPrompt;
+
-            cin >> salary;
+            cout << salaryPrompt;
-            if (!cin) {
+            cin >> salary;
-                cin.clear();
+            if (!cin) {
-                string dummy;
+                cin.clear();
-                cin >> dummy;
+                string dummy;
-                throw PersonException("invalid salary");
+                cin >> dummy;
-            }
+                throw PersonException("invalid salary");
-
+            }
-            personPtr->setSalary(salary);
+
-
+            personPtr->setSalary(salary);
-            people.push_back(personPtr);
+
-        }
+            people.push_back(personPtr);
-
+        }
-        catch (exception &e) {
+
-            cout << "PersonException thrown: " << e.what() << '\n';
+        catch (exception &e) {
-        }
+            cout << "PersonException thrown: " << e.what() << '\n';
-
+        }
-        cout << "There are " << Person::GetCount() << " Person(s), " << people.size() << " in vector\n";
+
-
+        cout << "There are " << Person::GetCount() << " Person(s), " << people.size() << " in vector\n";
-        cout << namePrompt;
+
-        cin >> name;
+        cout << namePrompt;
-    }
+        cin >> name;
-
+    }
-    // delete all the person(s) in the vector
+
-    for (std::vector<Person *>::iterator iter = people.begin(); iter != people.end(); ++iter) {
+    return 0;
-        delete *iter;
+}
-    }
-
-    cout << "There are " << Person::GetCount() << " Person(s) left dangling\n";
-
-    return 0;
-}