NLMISC::CClassRegistry Class Reference

#include <class_registry.h>

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Detailed Description

The Class registry where we can instanciate IClassable objects from their names.

Author:

Lionel Berenguier

Nevrax France

Date:

2000

Definition at line 88 of file class_registry.h.

Static Public Member Functions
bool	checkObject (IClassable *obj)
	check if the object has been correctly registered. Must be used for debug only, and Must compile with RTTI.
IClassable *	create (const std::string &className) throw (ERegistry)
	Create an object from his class name.
void	registerClass (const std::string &className, IClassable *(*creator)(), const std::string &typeidCheck) throw (ERegistry)
	Register your class for future Instanciation.
Private Types
typedef std::hash_map< std::string, CClassNode >	TClassMap
Static Private Member Functions
void	init ()
	Inits the ClassRegistry (especially RegistredClasses).
Static Private Attributes
TClassMap *	RegistredClasses = NULL

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Member Typedef Documentation

typedef std::hash_map<std::string, CClassNode> NLMISC::CClassRegistry::TClassMap [private]

Definition at line 108 of file class_registry.h. Referenced by init().

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Member Function Documentation

bool NLMISC::CClassRegistry::checkObject (  IClassable *  obj  )  [static]

check if the object has been correctly registered. Must be used for debug only, and Must compile with RTTI. Definition at line 91 of file class_registry.cpp. References NLMISC::IClassable::getClassName(), init(), and RegistredClasses. { init(); TClassMap::iterator it; it=RegistredClasses->find(obj->getClassName()); if(it==RegistredClasses->end()) return false; if( it->second.TypeIdCheck != string(typeid(*obj).name()) ) return false; return true; }

IClassable * NLMISC::CClassRegistry::create (  const std::string &  className  )  throw (ERegistry) [static]

Create an object from his class name. Definition at line 51 of file class_registry.cpp. References nlassert. { init(); TClassMap::iterator it; it=RegistredClasses->find(className); if(it==RegistredClasses->end()) return NULL; else { IClassable *ptr; ptr=it->second.Creator(); #ifdef NL_DEBUG nlassert(CClassRegistry::checkObject(ptr)); #endif return ptr; } }

void NLMISC::CClassRegistry::init (   )  [static, private]

Inits the ClassRegistry (especially RegistredClasses). Definition at line 43 of file class_registry.cpp. References RegistredClasses, and TClassMap. Referenced by checkObject(). { if (RegistredClasses == NULL) RegistredClasses = new TClassMap; }

void NLMISC::CClassRegistry::registerClass (  const std::string &  className, IClassable *(*  creator)(), const std::string &  typeidCheck )  throw (ERegistry) [static]

Register your class for future Instanciation. Definition at line 74 of file class_registry.cpp. References NLMISC::CClassRegistry::CClassNode::Creator, nlstop, and NLMISC::CClassRegistry::CClassNode::TypeIdCheck. { init(); CClassNode node; node.Creator=creator; node.TypeIdCheck= typeidCheck; std::pair<TClassMap::iterator, bool> result; result = RegistredClasses->insert(TClassMap::value_type(className, node)); if(!result.second) { nlstop; throw ERegisteredClass(); } }

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Field Documentation

CClassRegistry::TClassMap * NLMISC::CClassRegistry::RegistredClasses = NULL [static, private]

Definition at line 39 of file class_registry.cpp. Referenced by checkObject(), and init().

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

• class_registry.h
• class_registry.cpp

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