#include <octave/oct.h>

// Declare the class
class octave_hello : public octave_base_value 
{
 public:
  octave_hello ();
  ~octave_hello();

 private:
  DECLARE_OCTAVE_ALLOCATOR
  DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA
};



// Define methods
DEFINE_OCTAVE_ALLOCATOR (octave_hello);
DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_hello, "octave_hello", "octave_hello");


octave_hello::octave_hello ()
{
  octave_stdout << "Hello!" << std::endl;
}

octave_hello::~octave_hello ()
{
  octave_stdout << "good bye!" << std::endl;
}


// Interface
DEFUN_DLD(hello_obj, args, ,
          "obj = hello_obj () \n\tReturn an octave_hello class object")
{
  static bool type_loaded;
  octave_value retval;

  if (!type_loaded)
    {
      octave_hello::register_type();

      type_loaded = true;
      octave_stdout << "octave_hello installed at type-id = "
                    << octave_hello::static_type_id () << "\n";
    }

  retval = octave_value (new octave_hello ());
  return retval;
}