+++ /dev/null
-/*
- *
- * Copyright (c) 2004
- * Francois Dumont
- *
- * This material is provided "as is", with absolutely no warranty expressed
- * or implied. Any use is at your own risk.
- *
- * Permission to use or copy this software for any purpose is hereby granted
- * without fee, provided the above notices are retained on all copies.
- * Permission to modify the code and to distribute modified code is granted,
- * provided the above notices are retained, and a notice that the code was
- * modified is included with the above copyright notice.
- *
- */
-
-#ifndef _STLP_BOOST_TYPE_TRAITS_H
-#define _STLP_BOOST_TYPE_TRAITS_H
-
-#ifndef BOOST_CONFIG_SUFFIX_HPP
-# ifdef BOOST_CONFIG_HPP
-# undef BOOST_CONFIG_HPP
-# endif
-# include <boost/config.hpp>
-#endif
-
-#include <boost/type_traits/is_integral.hpp>
-#include <boost/type_traits/is_float.hpp>
-#include <boost/type_traits/has_trivial_constructor.hpp>
-#include <boost/type_traits/has_trivial_copy.hpp>
-#include <boost/type_traits/has_trivial_assign.hpp>
-#include <boost/type_traits/has_trivial_destructor.hpp>
-#include <boost/type_traits/is_pod.hpp>
-#include <boost/type_traits/is_pointer.hpp>
-#include <boost/type_traits/is_reference.hpp>
-#include <boost/type_traits/remove_cv.hpp>
-#include <boost/type_traits/is_same.hpp>
-
-/*
- * This file mostly wraps boost type_traits in the STLport type_traits.
- * When checking a type traits like trivial assign operator for instance
- * both the boost value and STLport values has to be taken into account
- * as we don't know what the user might have prefer, specializing the boost
- * type traits or the STLport one.
- */
-_STLP_BEGIN_NAMESPACE
-
-template <class _Tp> struct _IsRef {
- enum { _Is = ::boost::is_reference<_Tp>::value };
- typedef typename __bool2type<_Is>::_Ret _Ret;
-};
-
-template <class _Tp> struct _IsPtr {
- enum { is_pointer = ::boost::is_pointer<_Tp>::value };
- typedef typename __bool2type<is_pointer>::_Ret _Ret;
-};
-
-template <class _Tp> struct _IsIntegral {
- enum { is_integral = ::boost::is_integral<_Tp>::value };
- typedef typename __bool2type<is_integral>::_Ret _Ret;
-};
-
-template <class _Tp> struct _IsRational {
- enum { is_float = ::boost::is_float<_Tp>::value };
- typedef typename __bool2type<is_float>::_Ret _Ret;
-};
-
-template <class _Tp>
-struct __type_traits {
- enum { trivial_constructor = ::boost::has_trivial_constructor<_Tp>::value };
- typedef typename __bool2type<trivial_constructor>::_Ret has_trivial_default_constructor;
-
- enum { trivial_copy = ::boost::has_trivial_copy<_Tp>::value };
- typedef typename __bool2type<trivial_copy>::_Ret has_trivial_copy_constructor;
-
- enum { trivial_assign = ::boost::has_trivial_assign<_Tp>::value };
- typedef typename __bool2type<trivial_assign>::_Ret has_trivial_assignment_operator;
-
- enum { trivial_destructor = ::boost::has_trivial_destructor<_Tp>::value };
- typedef typename __bool2type<trivial_destructor>::_Ret has_trivial_destructor;
-
- enum { pod = ::boost::is_pod<_Tp>::value };
- typedef typename __bool2type<pod>::_Ret is_POD_type;
-};
-
-template <class _Tp1, class _Tp2>
-struct _TrivialCopy {
- typedef typename ::boost::remove_cv<_Tp1>::type uncv1;
- typedef typename ::boost::remove_cv<_Tp2>::type uncv2;
-
- enum { same = ::boost::is_same<uncv1, uncv2>::value };
- typedef typename __bool2type<same>::_Ret _Same;
-
- enum { boost_trivial_assign = ::boost::has_trivial_assign<uncv1>::value };
- typedef typename __bool2type<boost_trivial_assign>::_Ret _BoostTrivialAssign;
- typedef typename __type_traits<uncv1>::has_trivial_assignment_operator _STLPTrivialAssign;
- typedef typename _Lor2<_BoostTrivialAssign, _STLPTrivialAssign>::_Ret _TrivialAssign;
-
- typedef typename _Land2<_Same, _TrivialAssign>::_Ret _Type;
- static _Type _Answer() { return _Type(); }
-};
-
-template <class _Tp1, class _Tp2>
-struct _TrivialUCopy {
- typedef typename ::boost::remove_cv<_Tp1>::type uncv1;
- typedef typename ::boost::remove_cv<_Tp2>::type uncv2;
-
- enum { same = ::boost::is_same<uncv1, uncv2>::value };
- typedef typename __bool2type<same>::_Ret _Same;
-
- enum { boost_trivial_copy = ::boost::has_trivial_copy<uncv1>::value };
- typedef typename __bool2type<boost_trivial_copy>::_Ret _BoostTrivialCopy;
- typedef typename __type_traits<uncv1>::has_trivial_copy_constructor _STLPTrivialCopy;
- typedef typename _Lor2<_BoostTrivialCopy, _STLPTrivialCopy>::_Ret _TrivialCopy;
-
- typedef typename _Land2<_Same, _TrivialCopy>::_Ret _Type;
- static _Type _Answer() { return _Type(); }
-};
-
-template <class _Tp>
-struct _DefaultZeroValue {
- enum { is_integral = ::boost::is_integral<_Tp>::value };
- typedef typename __bool2type<is_integral>::_Ret _IsIntegral;
- enum { is_float = ::boost::is_float<_Tp>::value };
- typedef typename __bool2type<is_float>::_Ret _IsFloat;
- enum { is_pointer = ::boost::is_pointer<_Tp>::value };
- typedef typename __bool2type<is_pointer>::_Ret _IsPointer;
-
- typedef typename _Lor3<_IsIntegral, _IsFloat, _IsPointer>::_Ret _Ret;
-};
-
-template <class _Tp>
-struct _TrivialInit {
- typedef typename ::boost::remove_cv<_Tp>::type uncv;
-
- enum { boost_trivial_constructor = ::boost::has_trivial_constructor<uncv>::value };
- typedef typename __bool2type<boost_trivial_constructor>::_Ret _BoostTrivialInit;
- typedef typename __type_traits<uncv>::has_trivial_default_constructor _STLPTrivialInit;
- typedef typename _Lor2<_BoostTrivialInit, _STLPTrivialInit>::_Ret _Tr1;
-
- typedef typename _DefaultZeroValue<_Tp>::_Ret _Tr2;
- typedef typename _Not<_Tr2>::_Ret _Tr3;
-
- typedef typename _Land2<_Tr1, _Tr3>::_Ret _Ret;
- static _Ret _Answer() { return _Ret(); }
-};
-
-_STLP_END_NAMESPACE
-
-#endif /* _STLP_BOOST_TYPE_TRAITS_H */
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