sf::TClassRegistration< T, P > Class Template Reference

Template class used to register derived classes from a (virtual) interface class. Registering name and description.
Example. More...

#include <TClassRegistration.h>

Classes
class	entry_t
	Type of registered entry in the list. More...

Public Types
typedef TClosure< T *, const P & >	callback_t
	Callback closure type for creating instances.
typedef std::vector< entry_t >	entries_t
	Vector type to register implementations in.
typedef TVector< std::string >	strings_t
	Type used to report the list of implementations in.

Public Member Functions
	TClassRegistration (entries_t &entries, entry_t *&current)
	Constructor for the base class.
	TClassRegistration (const TClassRegistration &inst)
	Copy constructor.
	TClassRegistration (TClassRegistration &&inst) noexcept
	Move constructor.
TClassRegistration &	operator= (const TClassRegistration &inst)
	Assignment operator.
size_t	registerClass (const char *name, const char *description, const callback_t &callback)
	Register a derived class.
size_t	indexOf (const std::string &name) const
	Find a registered class structure index. When not found it returns.
T *	create (const std::string &name, const P &params=P{}) const
	Find and create registered class by name.
T *	create (size_t index, const P &params=P{}) const
	Function create registered class by index.
size_t	size () const
	Returns the amount of registered entries.
std::string	getRegisterName (const T *inst) const
	Gets the register name of the passed instance.
const char *	getName (size_t index) const
	Gets the name of the class from the passed index.
strings_t	getNames () const
	Gets the all the registered names.
const char *	getDescription (size_t index) const
	Returns the description of the class from the passed index.

Static Public Member Functions
static void	setRegisterName (T *inst, const char *name)
	Sets the register name on the passed instance. This automatically is called from the callback_t when a class is registered.

Static Public Attributes
static auto constexpr	npos = std::numeric_limits<size_t>::max()
	Index value for when not found.

Detailed Description

template<typename T, typename P>
class sf::TClassRegistration< T, P >

Template class used to register derived classes from a (virtual) interface class. Registering name and description.
Example.

Template Parameters

T	Base type of the class being registered
P	Parameter type passed to the constructor.

Member Typedef Documentation

callback_t

template<typename T, typename P>

typedef TClosure<T*, const P&> sf::TClassRegistration< T, P >::callback_t

Callback closure type for creating instances.

entries_t

template<typename T, typename P>

typedef std::vector<entry_t> sf::TClassRegistration< T, P >::entries_t

Vector type to register implementations in.

strings_t

template<typename T, typename P>

typedef TVector<std::string> sf::TClassRegistration< T, P >::strings_t

Type used to report the list of implementations in.

Constructor & Destructor Documentation

TClassRegistration() [1/3]

template<typename T, typename P>

sf::TClassRegistration< T, P >::TClassRegistration ( entries_t & entries, entry_t *& current )

explicit

Constructor for the base class.

TClassRegistration() [2/3]

template<typename T, typename P>

sf::TClassRegistration< T, P >::TClassRegistration

(

const TClassRegistration< T, P > &

inst

)

Copy constructor.

TClassRegistration() [3/3]

template<typename T, typename P>

sf::TClassRegistration< T, P >::TClassRegistration ( TClassRegistration< T, P > && inst )

noexcept

Move constructor.

Member Function Documentation

create() [1/2]

template<typename T, typename P>

T * sf::TClassRegistration< T, P >::create	(	const std::string &	name,
		const P &	params = P{} ) const

Find and create registered class by name.

Parameters

name	Registered name of the class
params	Parameter type instance for the constructor.

Returns

nullptr on failure on success a new instance of the registered class.

create() [2/2]

template<typename T, typename P>

T * sf::TClassRegistration< T, P >::create	(	size_t	index,
		const P &	params = P{} ) const

Function create registered class by index.

Parameters

index	Index in the list of classes.
params	Parameter structure.

Returns

nullptr on failure on success a new instance of the registered class.

getDescription()

template<typename T, typename P>

const char * sf::TClassRegistration< T, P >::getDescription

(

size_t

index

)

const

Returns the description of the class from the passed index.

getName()

template<typename T, typename P>

const char * sf::TClassRegistration< T, P >::getName

(

size_t

index

)

const

Gets the name of the class from the passed index.

getNames()

template<typename T, typename P>

strings_t sf::TClassRegistration< T, P >::getNames

(

)

const

Gets the all the registered names.

getRegisterName()

template<typename T, typename P>

std::string sf::TClassRegistration< T, P >::getRegisterName

(

const T *

inst

)

const

Gets the register name of the passed instance.

indexOf()

template<typename T, typename P>

size_t sf::TClassRegistration< T, P >::indexOf

(

const std::string &

name

)

const

Find a registered class structure index. When not found it returns.

Parameters

name	Registered name of the class.

Returns

Nonzero index/position of the class in the registration list where Zero means not found.

operator=()

template<typename T, typename P>

TClassRegistration & sf::TClassRegistration< T, P >::operator=

(

const TClassRegistration< T, P > &

inst

)

Assignment operator.

registerClass()

template<typename T, typename P>

size_t sf::TClassRegistration< T, P >::registerClass	(	const char *	name,
		const char *	description,
		const callback_t &	callback )

Register a derived class.

Parameters

name	Name of the class.
description	Description of the class.
callback	Callback function to create instance of the class.

setRegisterName()

template<typename T, typename P>

void sf::TClassRegistration< T, P >::setRegisterName ( T * inst, const char * name )

static

Sets the register name on the passed instance. This automatically is called from the callback_t when a class is registered.

size()

template<typename T, typename P>

size_t sf::TClassRegistration< T, P >::size

(

)

const

Returns the amount of registered entries.

Returns

Derived instance of type T.

Member Data Documentation

npos

template<typename T, typename P>

auto constexpr sf::TClassRegistration< T, P >::npos = std::numeric_limits<size_t>::max()

staticconstexpr

Index value for when not found.

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The documentation for this class was generated from the following file:

• TClassRegistration.h