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// Copyright (C) 2004 Peder Holt
// Use, modification and distribution is subject to the Boost Software
// License, Version 1.0. (http://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_TYPE_TRAITS_MSVC_REMOVE_CV_HOLT_2004_0901
#define BOOST_TYPE_TRAITS_MSVC_REMOVE_CV_HOLT_2004_0901
#include <cutl/details/boost/type_traits/msvc/typeof.hpp>
#include <cutl/details/boost/type_traits/is_volatile.hpp>
#include <cutl/details/boost/type_traits/is_const.hpp>
#include <cutl/details/boost/type_traits/is_pointer.hpp>
#include <cutl/details/boost/type_traits/is_array.hpp>
namespace cutl_details_boost {
namespace detail {
template<bool IsPointer,bool IsArray,bool IsConst,bool IsVolatile>
struct remove_cv_impl_typeof {
template<typename T,typename ID>
struct inner {
typedef T type;
};
template<typename T>
struct transform_type {
typedef T type;
};
};
template<> //Volatile
struct remove_cv_impl_typeof<false,false,false,true> {
template<typename T,typename ID>
struct inner {
template<typename U>
static msvc_register_type<U,ID> test(U volatile&(*)());
static msvc_register_type<T,ID> test(...);
BOOST_STATIC_CONSTANT(unsigned,register_test=sizeof(test( (T(*)())(NULL) ) ));
typedef typename msvc_extract_type<ID>::id2type::type type;
};
template<typename T>
struct transform_type {
typedef T& type;
};
};
template<> //Const
struct remove_cv_impl_typeof<false,false,true,false> {
template<typename T,typename ID>
struct inner {
template<typename U>
static msvc_register_type<U,ID> test(U const&(*)());
static msvc_register_type<T,ID> test(...);
BOOST_STATIC_CONSTANT(unsigned,register_test=sizeof(test( (T(*)())(NULL) ) ));
typedef typename msvc_extract_type<ID>::id2type::type type;
};
template<typename T>
struct transform_type {
typedef T& type;
};
};
template<> //CV
struct remove_cv_impl_typeof<false,false,true,true> {
template<typename T,typename ID>
struct inner {
template<typename U>
static msvc_register_type<U,ID> test(U const volatile&(*)());
static msvc_register_type<T,ID> test(...);
BOOST_STATIC_CONSTANT(unsigned,register_test=sizeof(test( (T(*)())(NULL) ) ));
typedef typename msvc_extract_type<ID>::id2type::type type;
};
template<typename T>
struct transform_type {
typedef T& type;
};
};
template<> //Volatile Pointer
struct remove_cv_impl_typeof<true,false,false,true> {
template<typename T,typename ID>
struct inner {
template<typename U>
static msvc_register_type<U,ID> test(void(*)(U volatile[]));
static msvc_register_type<T,ID> test(...);
BOOST_STATIC_CONSTANT(unsigned,register_test=sizeof(test( (void(*)(T))(NULL) ) ));
typedef typename msvc_extract_type<ID>::id2type::type type;
};
template<typename T>
struct transform_type {
typedef T type[];
};
};
template<> //Const Pointer
struct remove_cv_impl_typeof<true,false,true,false> {
template<typename T,typename ID>
struct inner {
template<typename U>
static msvc_register_type<U,ID> test(void(*)(U const[]));
static msvc_register_type<T,ID> test(...);
BOOST_STATIC_CONSTANT(unsigned,register_test=sizeof(test( (void(*)(T))(NULL) ) ));
typedef typename msvc_extract_type<ID>::id2type::type type;
};
template<typename T>
struct transform_type {
typedef T type[];
};
};
template<> //CV Pointer
struct remove_cv_impl_typeof<true,false,true,true> {
template<typename T,typename ID>
struct inner {
template<typename U>
static msvc_register_type<U,ID> test(void(*)(U const volatile[]));
static msvc_register_type<T,ID> test(...);
BOOST_STATIC_CONSTANT(unsigned,register_test=sizeof(test( (void(*)(T))(NULL) ) ));
typedef typename msvc_extract_type<ID>::id2type::type type;
};
template<typename T>
struct transform_type {
typedef T type[];
};
};
template<> //Volatile Array
struct remove_cv_impl_typeof<false,true,false,true> {
template<typename T,typename ID>
struct inner {
BOOST_STATIC_CONSTANT(unsigned,value=(sizeof(T)/sizeof((*((T*)NULL))[0])));
template<typename U>
static msvc_register_type<U[value],ID> test(void(*)(U volatile[]));
static msvc_register_type<T,ID> test(...);
BOOST_STATIC_CONSTANT(unsigned,register_test=sizeof(test( (void(*)(T))(NULL) ) ));
typedef typename msvc_extract_type<ID>::id2type::type type;
};
template<typename T>
struct transform_type {
typedef T type;
};
};
template<> //Const Array
struct remove_cv_impl_typeof<false,true,true,false> {
template<typename T,typename ID>
struct inner {
BOOST_STATIC_CONSTANT(unsigned,value=(sizeof(T)/sizeof((*((T*)NULL))[0])));
template<typename U>
static msvc_register_type<U[value],ID> test(void(*)(U const[]));
static msvc_register_type<T,ID> test(...);
BOOST_STATIC_CONSTANT(unsigned,register_test=sizeof(test( (void(*)(T))(NULL) ) ));
typedef typename msvc_extract_type<ID>::id2type::type type;
};
template<typename T>
struct transform_type {
typedef T type;
};
};
template<> //CV Array
struct remove_cv_impl_typeof<false,true,true,true> {
template<typename T,typename ID>
struct inner {
BOOST_STATIC_CONSTANT(unsigned,value=(sizeof(T)/sizeof((*((T*)NULL))[0])));
template<typename U>
static msvc_register_type<U[value],ID> test(void(*)(U const volatile[]));
static msvc_register_type<T,ID> test(...);
BOOST_STATIC_CONSTANT(unsigned,register_test=sizeof(test( (void(*)(T))(NULL) ) ));
typedef typename msvc_extract_type<ID>::id2type::type type;
};
template<typename T>
struct transform_type {
typedef T type;
};
};
} //namespace detail
template<typename T>
struct remove_cv {
typedef cutl_details_boost::detail::remove_cv_impl_typeof<
cutl_details_boost::is_pointer<T>::value,
cutl_details_boost::is_array<T>::value,
cutl_details_boost::is_const<T>::value,
cutl_details_boost::is_volatile<T>::value
> remove_cv_type;
typedef typename
remove_cv_type::template inner<
typename remove_cv_type::template transform_type<T>::type,
remove_cv<T>
>::type
type;
BOOST_MPL_AUX_LAMBDA_SUPPORT(1,remove_cv,T)
};
}//namespace cutl_details_boost
#endif //BOOST_TYPE_TRAITS_MSVC_REMOVE_CV_HOLT_2004_0901
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