caster_utils.h File Reference

#include <iostream>
#include <typeinfo>
#include <memory>

Go to the source code of this file.

Classes
struct	datatools::i_caster< From, ToBase >
	Templatized abstract interface class with a cast method using covariant return types . More...
struct	datatools::caster< From, ToBase, ToDaughter >
	Templatized concrete caster class for casting pointers from a covariant class hierarchy to some other type. More...

Namespaces
	datatools
	The Bayeux/datatools library top-level namespace.

Macros
#define	DATATOOLS_CASTER_DECLARATION(From, ToBase, ToDaughter, CasterId, CasterGetter)
	Macro to declare a caster class. More...
#define	DATATOOLS_CASTER_IMPLEMENTATION(From, ToBase, ToDaughter, CasterId, CasterGetter)
	Macro to implement a caster class. More...

Functions
virtual ToBase *	cast (From *)=0
template<class Base , class Derived >
bool	datatools::is_covariant (const Base &b_)

Macro Definition Documentation

DATATOOLS_CASTER_DECLARATION

#define DATATOOLS_CASTER_DECLARATION	(		From,
			ToBase,
			ToDaughter,
			CasterId,
			CasterGetter
	)

Value:

private:                                                              \
  static std::unique_ptr<datatools::caster<From,ToBase,ToDaughter> > CasterId; \
public:                                                                 \
 virtual datatools::i_caster<From,ToBase>* CasterGetter() const;        \

Macro to declare a caster class.

DATATOOLS_CASTER_IMPLEMENTATION

#define DATATOOLS_CASTER_IMPLEMENTATION	(		From,
			ToBase,
			ToDaughter,
			CasterId,
			CasterGetter
	)

Value:

std::unique_ptr<datatools::caster<From,ToBase,ToDaughter> > ToDaughter::CasterId; \
  datatools::i_caster<From,ToBase>* ToDaughter::CasterGetter() const {  \
    if (ToDaughter::CasterId.get() == 0) {                              \
      ToDaughter::CasterId.reset(new datatools::caster<From,ToBase,ToDaughter>); \
    }                                                                   \
    return ToDaughter::CasterId.get();                                  \
  }                                                                     \

Macro to implement a caster class.

Function Documentation

cast()

virtual ToBase* caster::cast ( From *  )

pure virtual