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////////////////////////////////////////////////////////////////////////////////
// The Loki Library
// Copyright (c) 2006 Peter Kmmel
// Permission to use, copy, modify, distribute and sell this software for any
// purpose is hereby granted without fee, provided that the above copyright
// notice appear in all copies and that both that copyright notice and this
// permission notice appear in supporting documentation.
// The author makes no representations about the
// suitability of this software for any purpose. It is provided "as is"
// without express or implied warranty.
////////////////////////////////////////////////////////////////////////////////
#ifndef LOKI_REGISTER_INC_
#define LOKI_REGISTER_INC_
// $Header: /cvsroot/loki-lib/loki/include/loki/Register.h,v 1.4 2006/06/19 12:39:08 syntheticpp Exp $
#include "TypeManip.h"
#include "HierarchyGenerators.h"
/// \defgroup RegisterGroup Register
namespace Loki
{
////////////////////////////////////////////////////////////////////////////////
//
// Helper classes/functions for RegisterByCreateSet
//
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
/// \ingroup RegisterGroup
/// Must be specialized be the user
////////////////////////////////////////////////////////////////////////////////
template<class t> bool RegisterFunction();
////////////////////////////////////////////////////////////////////////////////
/// \ingroup RegisterGroup
/// Must be specialized be the user
////////////////////////////////////////////////////////////////////////////////
template<class t> bool UnRegisterFunction();
namespace Private
{
template<class T>
struct RegisterOnCreate
{
RegisterOnCreate() { RegisterFunction<T>(); }
};
template<class T>
struct UnRegisterOnDelete
{
~UnRegisterOnDelete() { UnRegisterFunction<T>(); }
};
template<class T>
struct RegisterOnCreateElement
{
RegisterOnCreate<T> registerObj;
};
template<class T>
struct UnRegisterOnDeleteElement
{
UnRegisterOnDelete<T> unregisterObj;
};
}
////////////////////////////////////////////////////////////////////////////////
/// \class RegisterOnCreateSet
///
/// \ingroup RegisterGroup
/// Implements a generic register class which registers classes of a typelist
///
/// \par Usage
/// see test/Register
////////////////////////////////////////////////////////////////////////////////
template<typename ElementList>
struct RegisterOnCreateSet
: GenScatterHierarchy<ElementList, Private::RegisterOnCreateElement>
{};
////////////////////////////////////////////////////////////////////////////////
/// \class UnRegisterOnDeleteSet
///
/// \ingroup RegisterGroup
/// Implements a generic register class which unregisters classes of a typelist
///
/// \par Usage
/// see test/Register
////////////////////////////////////////////////////////////////////////////////
template<typename ElementList>
struct UnRegisterOnDeleteSet
: GenScatterHierarchy<ElementList, Private::UnRegisterOnDeleteElement>
{};
////////////////////////////////////////////////////////////////////////////////
/// \def LOKI_CHECK_CLASS_IN_LIST( CLASS , LIST )
///
/// \ingroup RegisterGroup
/// Check if CLASS is in the typelist LIST.
///
/// \par Usage
/// see test/Register
////////////////////////////////////////////////////////////////////////////////
#define LOKI_CHECK_CLASS_IN_LIST( CLASS , LIST ) \
\
struct Loki_##CLASS##LIST_OK{typedef int class_##CLASS##_is_not_in_##LIST;};\
typedef Loki::Select<Loki::TL::IndexOf<LIST, CLASS>::value == -1, \
CLASS,Loki_##CLASS##LIST_OK >::Result IsInList##CLASS##LIST; \
typedef IsInList##CLASS##LIST::class_##CLASS##_is_not_in_##LIST \
isInListTest##CLASS##LIST;
} // namespace Loki
#endif
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