88 lines
3.5 KiB
Objective-C
88 lines
3.5 KiB
Objective-C
/****************************************************************************
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Copyright (c) 2005, Radon Labs GmbH
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Copyright (c) 2011-2013,WebJet Business Division,CYOU
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http://www.genesis-3d.com.cn
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#pragma once
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//------------------------------------------------------------------------------
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/**
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@class Core::Factory
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Provides the central object factory mechanism for Nebula3. Classes
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which are derived from RefCounted register themselves automatically
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to the central Factory object through the __DeclareClass and
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__ImplementClass macros.
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*/
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#include "util/array.h"
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#include "util/string.h"
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#include "util/fourcc.h"
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#include "util/dictionary.h"
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#include "util/hashtable.h"
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#include "core/ptr.h"
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//------------------------------------------------------------------------------
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namespace Core
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{
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class RefCounted;
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class Rtti;
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//------------------------------------------------------------------------------
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class Factory
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{
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public:
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/// get pointer to singleton instance (cannot use singleton.h!)
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static Factory* Instance();
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/// static instance destruction method
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static void Destroy();
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/// register a RTTI object with the factory (with class name and class fourcc code)
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void Register(const Rtti* rtti, const Util::String& className, const Util::FourCC& classFourCC);
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/// register a RTTI object with the factory (without fourcc code)
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void Register(const Rtti* rtti, const Util::String& className);
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/// check if a class exists by class name
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bool ClassExists(const Util::String& className) const;
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/// check if a class exists by FourCC code
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bool ClassExists(const Util::FourCC classFourCC) const;
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/// get class rtti object by name
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const Rtti* GetClassRtti(const Util::String& className) const;
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/// get class rtti object by fourcc code
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const Rtti* GetClassRtti(const Util::FourCC& classFourCC) const;
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/// create an object by class name
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RefCounted* Create(const Util::String& className) const;
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/// create an object by FourCC code
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RefCounted* Create(const Util::FourCC classFourCC) const;
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private:
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/// constructor is private
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Factory();
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/// destructor is private
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~Factory();
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static Factory* Singleton;
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Util::HashTable<Util::String, const Rtti*> nameTable; // for fast lookup by class name
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Util::Dictionary<Util::FourCC, const Rtti*> fourccTable; // for fast lookup by fourcc code
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};
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} // namespace Foundation
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//------------------------------------------------------------------------------
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