openvrml::null_node_metatype Class Reference

A placeholder node_metatype. More...

#include <openvrml/node.h>

Inheritance diagram for openvrml::null_node_metatype:

Public Member Functions
	null_node_metatype (openvrml::browser &browser) throw ()
	Construct. More...
virtual	~null_node_metatype () throw ()
	Destroy. More...
Public Member Functions inherited from openvrml::node_metatype
virtual	~node_metatype ()=0 throw ()
	Destructor. More...
const node_metatype_id &	id () const throw ()
	Identifier. More...
openvrml::browser &	browser () const throw ()
	The browser associated with this node_metatype. More...
void	initialize (viewpoint_node *initial_viewpoint, double time) throw ()
	node_metatype-specific initialization. More...
void	render (viewer &v) const throw ()
	node_metatype-specific rendering. More...
const boost::shared_ptr < node_type >	create_type (const std::string &id, const node_interface_set &interfaces) throw ( unsupported_interface , std::bad_alloc )
	Create a new node_type. More...
void	shutdown (double time) throw ()
	Shut down. More...

Private Member Functions
virtual const boost::shared_ptr< node_type >	do_create_type (const std::string &id, const node_interface_set &interfaces) const throw ()
	Do not call. More...

Additional Inherited Members
Protected Member Functions inherited from openvrml::node_metatype
	node_metatype (const node_metatype_id &id, openvrml::browser &b) throw ()
	Constructor. More...

Detailed Description

A placeholder node_metatype.

The null_node_metatype is provided for convenience for the uncommon (but not inconceivable) situation where one needs something that acts like a node, yet isn't a full-fleged node with proper node_metatype and node_type implementations.

See also

openvrml::null_node_type

Constructor & Destructor Documentation

openvrml::null_node_metatype::null_node_metatype ( openvrml::browser &  browser ) throw ( )

explicit

Construct.

Parameters

browser

a browser.

openvrml::null_node_metatype::~null_node_metatype ( ) throw ( )

virtual

Destroy.

Member Function Documentation

const boost::shared_ptr< openvrml::node_type > openvrml::null_node_metatype::do_create_type ( const std::string &  id, const node_interface_set &  interfaces  ) const throw ( )

privatevirtual

Do not call.

Warning

Correct code will not call this function.

Implements openvrml::node_metatype.