30f4e933c1
git-svn-id: svn://svn.code.sf.net/p/loki-lib/code/trunk@680 7ec92016-0320-0410-acc4-a06ded1c099a
122 lines
4.3 KiB
C++
Executable file
122 lines
4.3 KiB
C++
Executable file
////////////////////////////////////////////////////////////////////////////////
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// The Loki Library
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// Copyright (c) 2006 Peter Kümmel
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// Permission to use, copy, modify, distribute and sell this software for any
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// purpose is hereby granted without fee, provided that the above copyright
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// notice appear in all copies and that both that copyright notice and this
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// permission notice appear in supporting documentation.
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// The author makes no representations about the
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// suitability of this software for any purpose. It is provided "as is"
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// without express or implied warranty.
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////////////////////////////////////////////////////////////////////////////////
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#ifndef LOKI_REGISTER_INC_
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#define LOKI_REGISTER_INC_
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// $Header$
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#include "TypeManip.h"
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#include "HierarchyGenerators.h"
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/// \defgroup RegisterGroup Register
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namespace Loki
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{
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////////////////////////////////////////////////////////////////////////////////
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//
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// Helper classes/functions for RegisterByCreateSet
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//
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// \ingroup RegisterGroup
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/// Must be specialized be the user
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////////////////////////////////////////////////////////////////////////////////
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template<class t> bool RegisterFunction();
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////////////////////////////////////////////////////////////////////////////////
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/// \ingroup RegisterGroup
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/// Must be specialized be the user
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////////////////////////////////////////////////////////////////////////////////
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template<class t> bool UnRegisterFunction();
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namespace Private
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{
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template<class T>
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struct RegisterOnCreate
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{
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RegisterOnCreate() { RegisterFunction<T>(); }
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};
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template<class T>
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struct UnRegisterOnDelete
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{
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~UnRegisterOnDelete() { UnRegisterFunction<T>(); }
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};
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template<class T>
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struct RegisterOnCreateElement
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{
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RegisterOnCreate<T> registerObj;
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};
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template<class T>
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struct UnRegisterOnDeleteElement
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{
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UnRegisterOnDelete<T> unregisterObj;
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};
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}
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////////////////////////////////////////////////////////////////////////////////
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/// \class RegisterOnCreateSet
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///
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/// \ingroup RegisterGroup
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/// Implements a generic register class which registers classes of a typelist
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///
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/// \par Usage
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/// see test/Register
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////////////////////////////////////////////////////////////////////////////////
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template<typename ElementList>
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struct RegisterOnCreateSet
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: GenScatterHierarchy<ElementList, Private::RegisterOnCreateElement>
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{};
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////////////////////////////////////////////////////////////////////////////////
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/// \class UnRegisterOnDeleteSet
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///
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/// \ingroup RegisterGroup
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/// Implements a generic register class which unregisters classes of a typelist
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///
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/// \par Usage
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/// see test/Register
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////////////////////////////////////////////////////////////////////////////////
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template<typename ElementList>
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struct UnRegisterOnDeleteSet
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: GenScatterHierarchy<ElementList, Private::UnRegisterOnDeleteElement>
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{};
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////////////////////////////////////////////////////////////////////////////////
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/// \def LOKI_CHECK_CLASS_IN_LIST( CLASS , LIST )
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///
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/// \ingroup RegisterGroup
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/// Check if CLASS is in the typelist LIST.
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///
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/// \par Usage
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/// see test/Register
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////////////////////////////////////////////////////////////////////////////////
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#define LOKI_CHECK_CLASS_IN_LIST( CLASS , LIST ) \
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\
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struct Loki_##CLASS##LIST_OK{typedef int class_##CLASS##_is_not_in_##LIST;};\
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typedef Loki::Select<Loki::TL::IndexOf<LIST, CLASS>::value == -1, \
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CLASS,Loki_##CLASS##LIST_OK >::Result IsInList##CLASS##LIST; \
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typedef IsInList##CLASS##LIST::class_##CLASS##_is_not_in_##LIST \
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isInListTest##CLASS##LIST;
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} // namespace Loki
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#endif
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