90 lines
1.7 KiB
C
90 lines
1.7 KiB
C
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// Copyright (C) 2007 Id Software, Inc.
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//
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#ifndef __FACTORY_H__
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#define __FACTORY_H__
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#include "../framework/Common_public.h"
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//===============================================================
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//
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// sdFactory
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//
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//===============================================================
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template<class T>
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class sdFactory {
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public:
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typedef T* (*pfnCreate)(void);
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~sdFactory() {
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Shutdown();
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}
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void Shutdown() {
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creators.Clear();
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}
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bool CanHandleType( const char* name );
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bool RegisterType( const char* name, pfnCreate createFunc );
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T* CreateType( const char* name );
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template< typename S > static T* Allocator( void ) { return new S; }
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private:
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idHashMap< pfnCreate > creators;
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};
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/*
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============
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sdFactory::RegisterType
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============
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*/
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template<class T>
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ID_INLINE bool sdFactory<T>::RegisterType( const char* name, pfnCreate createFunc ) {
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pfnCreate* findCreator;
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idStr lowerName = name;
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lowerName.ToLower();
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creators.Get( lowerName.c_str(), &findCreator );
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if( !findCreator ) {
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creators.Set( lowerName.c_str(), createFunc );
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return true;
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}
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return false;
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}
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/*
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============
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sdFactory::CanHandleType
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============
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*/
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template<class T>
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ID_INLINE bool sdFactory<T>::CanHandleType( const char* name ) {
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return creators.Get( name );
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}
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/*
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============
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sdFactory::CreateType
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============
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*/
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template<class T>
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ID_INLINE T* sdFactory<T>::CreateType( const char* name ) {
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pfnCreate* findCreator;
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idStr lowerName = name;
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lowerName.ToLower();
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creators.Get( lowerName.c_str(), &findCreator );
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if( findCreator && *findCreator ) {
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return (**findCreator)();
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}
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common->Warning( "Factory::CreateType: Unknown type %s", name );
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return NULL;
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}
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#endif /* !__FACTORY_H__ */
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