#include <shape.h>
#include <shaperep.h>

using namespace Shapes;

Shape::Shape() : Rep(0){}

Shape::Shape(const Shape& e) 
{

	if (e.Rep)
		Rep = e.Rep->clone();
	else
		Rep = 0;
}

Shape::Shape(ShapeRep& r) 
{
	Rep = r.clone();
}

Shape& Shape::operator= (const Shape& e)
{
	if ( &e != this )
	{
		delete Rep;
		Rep = e.Rep->clone();
	}
	return *this;
}

Shape::~Shape() 
{ 
	delete Rep;
}

ShapeRep* Shape::operator->()
{
	return Rep;
}

std::list<Shape>& Shapes::PrototypeList()
{
	static std::list<Shape> x;
	return x;
}