| /* File : example.h */ |
| |
| #include <cstdio> |
| #include <iostream> |
| #include <vector> |
| #include <string> |
| #include <cmath> |
| |
| class Employee { |
| private: |
| std::string name; |
| public: |
| Employee(const char* n): name(n) {} |
| virtual std::string getTitle() { return getPosition() + " " + getName(); } |
| virtual std::string getName() { return name; } |
| virtual std::string getPosition() const { return "Employee"; } |
| virtual ~Employee() { printf("~Employee() @ %p\n", (void *)this); } |
| }; |
| |
| |
| class Manager: public Employee { |
| public: |
| Manager(const char* n): Employee(n) {} |
| virtual std::string getPosition() const { return "Manager"; } |
| }; |
| |
| |
| class EmployeeList { |
| std::vector<Employee*> list; |
| public: |
| EmployeeList() { |
| list.push_back(new Employee("Bob")); |
| list.push_back(new Employee("Jane")); |
| list.push_back(new Manager("Ted")); |
| } |
| void addEmployee(Employee *p) { |
| list.push_back(p); |
| std::cout << "New employee added. Current employees are:" << std::endl; |
| std::vector<Employee*>::iterator i; |
| for (i=list.begin(); i!=list.end(); i++) { |
| std::cout << " " << (*i)->getTitle() << std::endl; |
| } |
| } |
| const Employee *get_item(int i) { |
| return list[i]; |
| } |
| ~EmployeeList() { |
| std::vector<Employee*>::iterator i; |
| std::cout << "~EmployeeList, deleting " << list.size() << " employees." << std::endl; |
| for (i=list.begin(); i!=list.end(); i++) { |
| delete *i; |
| } |
| std::cout << "~EmployeeList empty." << std::endl; |
| } |
| }; |
| |