///////////////////////////////////////////////////////////////////////////// | |
// | |
// (C) Copyright Ion Gaztanaga 2009-2009. | |
// | |
// Distributed under the Boost Software License, Version 1.0. | |
// (See accompanying file LICENSE_1_0.txt or copy at | |
// http://www.boost.org/LICENSE_1_0.txt) | |
// | |
// See http://www.boost.org/libs/intrusive for documentation. | |
// | |
///////////////////////////////////////////////////////////////////////////// | |
// This code was modified from the code posted by Alexandre Courpron in his | |
// article "Interface Detection" in The Code Project: | |
/////////////////////////////////////////////////////////////////////////////// | |
// Copyright 2007 Alexandre Courpron | |
// | |
// Permission to use, copy, modify, redistribute and sell this software, | |
// provided that this copyright notice appears on all copies of the software. | |
/////////////////////////////////////////////////////////////////////////////// | |
#ifndef BOOST_INTRUSIVE_DETAIL_FUNCTION_DETECTOR_HPP | |
#define BOOST_INTRUSIVE_DETAIL_FUNCTION_DETECTOR_HPP | |
#include <boost/intrusive/detail/config_begin.hpp> | |
namespace boost { | |
namespace intrusive { | |
namespace function_detector { | |
typedef char NotFoundType; | |
struct StaticFunctionType { NotFoundType x [2]; }; | |
struct NonStaticFunctionType { NotFoundType x [3]; }; | |
enum | |
{ NotFound = 0, | |
StaticFunction = sizeof( StaticFunctionType ) - sizeof( NotFoundType ), | |
NonStaticFunction = sizeof( NonStaticFunctionType ) - sizeof( NotFoundType ) | |
}; | |
} //namespace boost { | |
} //namespace intrusive { | |
} //namespace function_detector { | |
#define BOOST_INTRUSIVE_CREATE_FUNCTION_DETECTOR(Identifier, InstantiationKey) \ | |
namespace boost { \ | |
namespace intrusive { \ | |
namespace function_detector { \ | |
template < class T, \ | |
class NonStaticType, \ | |
class NonStaticConstType, \ | |
class StaticType > \ | |
class DetectMember_##InstantiationKey_##Identifier { \ | |
template < NonStaticType > \ | |
struct TestNonStaticNonConst ; \ | |
\ | |
template < NonStaticConstType > \ | |
struct TestNonStaticConst ; \ | |
\ | |
template < StaticType > \ | |
struct TestStatic ; \ | |
\ | |
template <class U > \ | |
static NonStaticFunctionType Test( TestNonStaticNonConst<&U::Identifier>*, int ); \ | |
\ | |
template <class U > \ | |
static NonStaticFunctionType Test( TestNonStaticConst<&U::Identifier>*, int ); \ | |
\ | |
template <class U> \ | |
static StaticFunctionType Test( TestStatic<&U::Identifier>*, int ); \ | |
\ | |
template <class U> \ | |
static NotFoundType Test( ... ); \ | |
public : \ | |
static const int check = NotFound + (sizeof(Test<T>(0, 0)) - sizeof(NotFoundType));\ | |
};\ | |
}}} //namespace boost::intrusive::function_detector { | |
#define BOOST_INTRUSIVE_DETECT_FUNCTION(Class, InstantiationKey, ReturnType, Identifier, Params) \ | |
::boost::intrusive::function_detector::DetectMember_##InstantiationKey_##Identifier< Class,\ | |
ReturnType (Class::*)Params,\ | |
ReturnType (Class::*)Params const,\ | |
ReturnType (*)Params \ | |
>::check | |
#include <boost/intrusive/detail/config_end.hpp> | |
#endif //@ifndef BOOST_INTRUSIVE_DETAIL_FUNCTION_DETECTOR_HPP |