1 files changed, 54 insertions, 0 deletions
diff --git a/Examples/lua/owner/example.h b/Examples/lua/owner/example.h
new file mode 100644
index 0000000..b005680
--- /dev/null
+++ b/Examples/lua/owner/example.h
@@ -0,0 +1,54 @@
+/* File : example.h */
+#include <vector>
+
+class Shape {
+public:
+  Shape() {
+    nshapes++;
+  }
+  virtual ~Shape() {
+    nshapes--;
+  };
+  double  x, y;   
+  void    move(double dx, double dy);
+  virtual double area(void) = 0;
+  virtual double perimeter(void) = 0;
+  static  int nshapes;
+};
+
+class Circle : public Shape {
+private:
+  double radius;
+public:
+  Circle(double r) : radius(r) { };
+  virtual double area(void);
+  virtual double perimeter(void);
+};
+
+class Square : public Shape {
+private:
+  double width;
+public:
+  Square(double w) : width(w) { };
+  virtual double area(void);
+  virtual double perimeter(void);
+};
+
+
+Circle* createCircle(double w); // this method creates a new object
+Square* createSquare(double w); // this method creates a new object
+
+class ShapeOwner {
+private:
+    std::vector<Shape*> shapes;
+    ShapeOwner(const ShapeOwner&); // no copying
+    ShapeOwner& operator=(const ShapeOwner&); // no copying
+public:
+    ShapeOwner();
+    ~ShapeOwner();
+    void add(Shape* ptr); // this method takes ownership of the object
+    Shape* get(int idx); // this pointer is still owned by the class (assessor)
+    Shape* remove(int idx); // this method returns memory which must be deleted
+};
+
+