boostorg/fusion
1
0
Fork 1
mirror of https://github.com/boostorg/fusion.git synced 2025-07-29 12:07:36 +02:00
Code Issues Packages Projects Releases Wiki Activity

Added adapter for std::tuple (only for implementations using variadic templates)

Browse Source 
[SVN r74546]
This commit is contained in:
Joel de Guzman
2011-09-24 13:07:09 +00:00
parent d1a397c427
commit b2c3737eaf
13 changed files with 476 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
include/boost/fusion/adapted.hpp
View File

@ -16,4 +16,10 @@
#include <boost/fusion/adapted/std_pair.hpp>
#include <boost/fusion/adapted/struct.hpp>
// The std_tuple_iterator adaptor only supports implementations
// using variadic templates
#if !defined(BOOST_NO_VARIADIC_TEMPLATES)
#include <boost/fusion/adapted/std_tuple.hpp>
#endif
#endif

21
include/boost/fusion/adapted/std_tuple.hpp Normal file
View File

@ -0,0 +1,21 @@
/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
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)
==============================================================================*/
#if !defined(BOOST_FUSION_BOOST_TUPLE_09242011_1744)
#define BOOST_FUSION_BOOST_TUPLE_09242011_1744
#include <boost/fusion/adapted/std_tuple/detail/is_view_impl.hpp>
#include <boost/fusion/adapted/std_tuple/detail/is_sequence_impl.hpp>
#include <boost/fusion/adapted/std_tuple/detail/category_of_impl.hpp>
#include <boost/fusion/adapted/std_tuple/detail/begin_impl.hpp>
#include <boost/fusion/adapted/std_tuple/detail/end_impl.hpp>
#include <boost/fusion/adapted/std_tuple/detail/size_impl.hpp>
#include <boost/fusion/adapted/std_tuple/detail/at_impl.hpp>
#include <boost/fusion/adapted/std_tuple/detail/value_at_impl.hpp>
#include <boost/fusion/adapted/std_tuple/std_tuple_iterator.hpp>
#include <boost/fusion/adapted/std_tuple/tag_of.hpp>
#endif

52
include/boost/fusion/adapted/std_tuple/detail/at_impl.hpp Normal file
View File

@ -0,0 +1,52 @@
/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
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)
==============================================================================*/
#if !defined(BOOST_FUSION_AT_IMPL_09242011_1744)
#define BOOST_FUSION_AT_IMPL_09242011_1744
#include <tuple>
#include <utility>
#include <boost/mpl/eval_if.hpp>
#include <boost/fusion/support/detail/access.hpp>
#include <boost/type_traits/remove_const.hpp>
namespace boost { namespace fusion
{
struct std_tuple_tag;
namespace extension
{
template<typename T>
struct at_impl;
template <>
struct at_impl<std_tuple_tag>
{
template <typename Sequence, typename N>
struct apply
{
typedef typename remove_const<Sequence>::type seq_type;
typedef std::tuple_element<N::value, seq_type> element;
typedef typename
mpl::eval_if<
is_const<Sequence>
, fusion::detail::cref_result<element>
, fusion::detail::ref_result<element>
>::type
type;
static type
call(Sequence& seq)
{
return std::get<N::value>(seq);
}
};
};
}
}}
#endif

39
include/boost/fusion/adapted/std_tuple/detail/begin_impl.hpp Normal file
View File

@ -0,0 +1,39 @@
/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
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)
==============================================================================*/
#if !defined(BOOST_FUSION_BEGIN_IMPL_09242011_1744)
#define BOOST_FUSION_BEGIN_IMPL_09242011_1744
#include <boost/fusion/adapted/std_tuple/std_tuple_iterator.hpp>
namespace boost { namespace fusion
{
struct std_tuple_tag;
namespace extension
{
template<typename T>
struct begin_impl;
template <>
struct begin_impl<std_tuple_tag>
{
template <typename Sequence>
struct apply
{
typedef std_tuple_iterator<Sequence, 0> type;
static type
call(Sequence& v)
{
return type(v);
}
};
};
}
}}
#endif

32
include/boost/fusion/adapted/std_tuple/detail/category_of_impl.hpp Normal file
View File

@ -0,0 +1,32 @@
/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
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)
==============================================================================*/
#if !defined(BOOST_FUSION_CATEGORY_OF_IMPL_09272006_0726)
#define BOOST_FUSION_CATEGORY_OF_IMPL_09272006_0726
namespace boost { namespace fusion
{
struct std_tuple_tag;
struct random_access_traversal_tag;
namespace extension
{
template<typename T>
struct category_of_impl;
template<>
struct category_of_impl<std_tuple_tag>
{
template<typename T>
struct apply
{
typedef random_access_traversal_tag type;
};
};
}
}}
#endif

43
include/boost/fusion/adapted/std_tuple/detail/end_impl.hpp Normal file
View File

@ -0,0 +1,43 @@
/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
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)
==============================================================================*/
#if !defined(BOOST_FUSION_END_IMPL_09242011_1744)
#define BOOST_FUSION_END_IMPL_09242011_1744
#include <boost/fusion/adapted/std_tuple/std_tuple_iterator.hpp>
#include <boost/type_traits/remove_const.hpp>
#include <tuple>
namespace boost { namespace fusion
{
struct std_tuple_tag;
namespace extension
{
template<typename T>
struct end_impl;
template <>
struct end_impl<std_tuple_tag>
{
template <typename Sequence>
struct apply
{
typedef typename remove_const<Sequence>::type seq_type;
static int const size = std::tuple_size<seq_type>::value;
typedef std_tuple_iterator<Sequence, size> type;
static type
call(Sequence& v)
{
return type(v);
}
};
};
}
}}
#endif

30
include/boost/fusion/adapted/std_tuple/detail/is_sequence_impl.hpp Normal file
View File

@ -0,0 +1,30 @@
/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
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)
==============================================================================*/
#if !defined(BOOST_FUSION_IS_SEQUENCE_IMPL_09242011_1744)
#define BOOST_FUSION_IS_SEQUENCE_IMPL_09242011_1744
#include <boost/mpl/bool.hpp>
namespace boost { namespace fusion
{
struct std_tuple_tag;
namespace extension
{
template<typename Tag>
struct is_sequence_impl;
template<>
struct is_sequence_impl<std_tuple_tag>
{
template<typename Sequence>
struct apply : mpl::true_ {};
};
}
}}
#endif

30
include/boost/fusion/adapted/std_tuple/detail/is_view_impl.hpp Normal file
View File

@ -0,0 +1,30 @@
/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
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)
==============================================================================*/
#if !defined(BOOST_FUSION_IS_VIEW_IMPL_09242011_1744)
#define BOOST_FUSION_IS_VIEW_IMPL_09242011_1744
#include <boost/mpl/bool.hpp>
namespace boost { namespace fusion
{
struct std_tuple_tag;
namespace extension
{
template<typename Tag>
struct is_view_impl;
template<>
struct is_view_impl<std_tuple_tag>
{
template<typename T>
struct apply : mpl::false_ {};
};
}
}}
#endif

31
include/boost/fusion/adapted/std_tuple/detail/size_impl.hpp Normal file
View File

@ -0,0 +1,31 @@
/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
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)
==============================================================================*/
#if !defined(BOOST_FUSION_SIZE_IMPL_09242011_1744)
#define BOOST_FUSION_SIZE_IMPL_09242011_1744
#include <tuple>
#include <boost/mpl/int.hpp>
namespace boost { namespace fusion
{
struct std_tuple_tag;
namespace extension
{
template<typename T>
struct size_impl;
template <>
struct size_impl<std_tuple_tag>
{
template <typename Sequence>
struct apply : mpl::int_<std::tuple_size<Sequence>::value> {};
};
}
}}
#endif

30
include/boost/fusion/adapted/std_tuple/detail/value_at_impl.hpp Normal file
View File

@ -0,0 +1,30 @@
/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
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)
==============================================================================*/
#if !defined(BOOST_FUSION_VALUE_AT_IMPL_09242011_1744)
#define BOOST_FUSION_VALUE_AT_IMPL_09242011_1744
#include <tuple>
namespace boost { namespace fusion
{
struct std_tuple_tag;
namespace extension
{
template<typename T>
struct value_at_impl;
template <>
struct value_at_impl<std_tuple_tag>
{
template <typename Sequence, typename N>
struct apply : std::tuple_element<N::value, Sequence> {};
};
}
}}
#endif

107
include/boost/fusion/adapted/std_tuple/std_tuple_iterator.hpp Normal file
View File

@ -0,0 +1,107 @@
/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
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)
==============================================================================*/
#if !defined(FUSION_STD_TUPLE_ITERATOR_09112011_1905)
#define FUSION_STD_TUPLE_ITERATOR_09112011_1905
#include <boost/fusion/iterator/iterator_facade.hpp>
#include <boost/type_traits/is_const.hpp>
#include <boost/type_traits/remove_const.hpp>
#include <boost/fusion/support/detail/access.hpp>
#include <boost/mpl/int.hpp>
#include <boost/mpl/eval_if.hpp>
#include <tuple>
#include <utility>
namespace boost { namespace fusion
{
struct random_access_traversal_tag;
template <typename Tuple, int Index>
struct std_tuple_iterator_identity;
template <typename Tuple, int Index>
struct std_tuple_iterator
: iterator_facade<
std_tuple_iterator<Tuple, Index>
, random_access_traversal_tag>
{
typedef Tuple tuple_type;
static int const index = Index;
typedef std_tuple_iterator_identity<
typename add_const<Tuple>::type, Index>
identity;
explicit std_tuple_iterator(Tuple& tuple)
: tuple(tuple) {}
Tuple& tuple;
template <typename Iterator>
struct value_of
: std::tuple_element<Iterator::index,
typename remove_const<typename Iterator::tuple_type>::type> {};
template <typename Iterator>
struct deref
{
typedef value_of<Iterator> element;
typedef typename
mpl::eval_if<
is_const<typename Iterator::tuple_type>
, fusion::detail::cref_result<element>
, fusion::detail::ref_result<element>
>::type
type;
static type
call(Iterator const& iter)
{
return std::get<Index>(iter.tuple);
}
};
template <typename Iterator, typename N>
struct advance
{
static int const index = Iterator::index;
typedef typename Iterator::tuple_type tuple_type;
typedef std_tuple_iterator<tuple_type, index+N::value> type;
static type
call(Iterator const& i)
{
return type(i.tuple);
}
};
template <typename Iterator>
struct next : advance<Iterator, mpl::int_<1>> {};
template <typename Iterator>
struct prior : advance<Iterator, mpl::int_<-1>> {};
template <typename I1, typename I2>
struct equal_to
: is_same<typename I1::identity, typename I2::identity> {};
template <typename First, typename Last>
struct distance
{
typedef mpl::int_<Last::index-First::index> type;
static type
call(First const&, Last const&)
{
return type();
}
};
};
}}
#endif

52
include/boost/fusion/adapted/std_tuple/tag_of.hpp Normal file
View File

@ -0,0 +1,52 @@
/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
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)
==============================================================================*/
#if !defined(BOOST_FUSION_TAG_OF_09112011_1842)
#define BOOST_FUSION_TAG_OF_09112011_1842
#include <tuple>
#include <boost/fusion/support/tag_of_fwd.hpp>
namespace std
{
template <typename... Elements>
class tuple;
}
namespace boost { namespace fusion
{
struct std_tuple_tag;
struct fusion_sequence_tag;
namespace traits
{
template <typename... Elements>
struct tag_of<std::tuple<Elements...>>
{
typedef std_tuple_tag type;
};
}
}}
namespace boost { namespace mpl
{
template<typename>
struct sequence_tag;
template <typename... Elements>
struct sequence_tag<std::tuple<Elements...>>
{
typedef fusion::fusion_sequence_tag type;
};
template <typename... Elements>
struct sequence_tag<std::tuple<Elements...> const>
{
typedef fusion::fusion_sequence_tag type;
};
}}
#endif

6
include/boost/fusion/iterator/advance.hpp
View File

@ -1,7 +1,7 @@
/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
Distributed under the Boost Software License, Version 1.0. (See accompanying
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)
==============================================================================*/
#if !defined(FUSION_ADVANCE_09172005_1146)
@ -18,7 +18,7 @@
namespace boost { namespace fusion
{
struct random_access_traversal_tag;
// Special tags:
struct iterator_facade_tag; // iterator facade tag
struct boost_array_iterator_tag; // boost::array iterator tag
@ -59,7 +59,7 @@ namespace boost { namespace fusion
template <>
struct advance_impl<std_pair_iterator_tag>;
}
namespace result_of
{
template <typename Iterator, int N>