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%module li_factory
%include factory.i
%newobject Geometry::create;
%newobject Geometry::clone;
%factory(Geometry *Geometry::create, Point, Circle);
%factory(Geometry *Geometry::clone, Point, Circle);
%factory(Geometry *Point::clone, Point, Circle);
%factory(Geometry *Circle::clone, Point, Circle);
%inline {
struct Geometry {
enum GeomType{
POINT,
CIRCLE
};
virtual ~Geometry() {}
virtual int draw() = 0;
static Geometry *create(GeomType i);
virtual Geometry *clone() = 0;
};
struct Point : Geometry {
int draw() { return 1; }
double width() { return 1.0; }
Geometry *clone() { return new Point(); }
};
struct Circle : Geometry {
int draw() { return 2; }
double radius() { return 1.5; }
Geometry *clone() { return new Circle(); }
};
Geometry *Geometry::create(GeomType type) {
switch (type) {
case POINT: return new Point();
case CIRCLE: return new Circle();
default: return 0;
}
}
}
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