boostorg/fusion
1
0
Fork 1
mirror of https://github.com/boostorg/fusion.git synced 2025-07-22 00:32:53 +02:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #142 from Flast/std_array

Browse Source 
Adaptor for std::array.
This commit is contained in:
Kohei Takahashi
2016-10-31 01:40:57 +09:00
committed by GitHub
parent 1747703b1a ea9a176312
commit 0d8243b36d
14 changed files with 564 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
include/boost/fusion/adapted/std_array.hpp Normal file
View File

@ -0,0 +1,23 @@
/*=============================================================================
Copyright (c) 2013 Mateusz Loskot
Copyright (c) 2001-2011 Joel de Guzman
Copyright (c) 2005-2006 Dan Marsden
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_STD_ARRAY__01062013_1700)
#define BOOST_FUSION_STD_ARRAY__01062013_1700
#include <boost/fusion/adapted/std_array/std_array_iterator.hpp>
#include <boost/fusion/adapted/std_array/tag_of.hpp>
#include <boost/fusion/adapted/std_array/detail/is_view_impl.hpp>
#include <boost/fusion/adapted/std_array/detail/is_sequence_impl.hpp>
#include <boost/fusion/adapted/std_array/detail/category_of_impl.hpp>
#include <boost/fusion/adapted/std_array/detail/begin_impl.hpp>
#include <boost/fusion/adapted/std_array/detail/end_impl.hpp>
#include <boost/fusion/adapted/std_array/detail/size_impl.hpp>
#include <boost/fusion/adapted/std_array/detail/at_impl.hpp>
#include <boost/fusion/adapted/std_array/detail/value_at_impl.hpp>
#endif

25
include/boost/fusion/adapted/std_array/detail/array_size.hpp Normal file
View File

@ -0,0 +1,25 @@
/*=============================================================================
Copyright (c) 2013 Mateusz Loskot
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_STD_ARRAY_ARRAY_SIZE_01062013_1700)
#define BOOST_FUSION_STD_ARRAY_ARRAY_SIZE_01062013_1700
#include <cstddef>
#include <type_traits>
namespace boost { namespace fusion
{
namespace extension
{
template<class T>
struct std_array_size;
template<template<typename, std::size_t> class Array, typename T, std::size_t N>
struct std_array_size<Array<T, N>> : std::integral_constant<std::size_t, N> {};
}
}}
#endif

45
include/boost/fusion/adapted/std_array/detail/at_impl.hpp Normal file
View File

@ -0,0 +1,45 @@
/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
Copyright (c) 2005-2006 Dan Marsden
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_STD_ARRAY_AT_IMPL_01062013_1700)
#define BOOST_FUSION_STD_ARRAY_AT_IMPL_01062013_1700
#include <boost/type_traits/is_const.hpp>
#include <boost/mpl/if.hpp>
namespace boost { namespace fusion {
struct std_array_tag;
namespace extension
{
template<typename T>
struct at_impl;
template<>
struct at_impl<std_array_tag>
{
template<typename Sequence, typename N>
struct apply
{
typedef typename mpl::if_<
is_const<Sequence>,
typename Sequence::const_reference,
typename Sequence::reference>::type type;
static type
call(Sequence& seq)
{
return seq[N::value];
}
};
};
}
}}
#endif

41
include/boost/fusion/adapted/std_array/detail/begin_impl.hpp Normal file
View File

@ -0,0 +1,41 @@
/*=============================================================================
Copyright (c) 2013 Mateusz Loskot
Copyright (c) 2001-2011 Joel de Guzman
Copyright (c) 2005-2006 Dan Marsden
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_STD_ARRAY_BEGIN_OF_IMPL_01062013_1700)
#define BOOST_FUSION_STD_ARRAY_BEGIN_OF_IMPL_01062013_1700
#include <boost/fusion/adapted/std_array/std_array_iterator.hpp>
namespace boost { namespace fusion {
struct std_array_tag;
namespace extension
{
template<typename T>
struct begin_impl;
template <>
struct begin_impl<std_array_tag>
{
template <typename Sequence>
struct apply
{
typedef std_array_iterator<Sequence, 0> type;
static type
call(Sequence& v)
{
return type(v);
}
};
};
}
}}
#endif

35
include/boost/fusion/adapted/std_array/detail/category_of_impl.hpp Normal file
View File

@ -0,0 +1,35 @@
/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
Copyright (c) 2005-2006 Dan Marsden
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_STD_ARRAY_CATEGORY_OF_IMPL_01062013_1700)
#define BOOST_FUSION_STD_ARRAY_CATEGORY_OF_IMPL_01062013_1700
#include <boost/config/no_tr1/utility.hpp>
namespace boost { namespace fusion {
struct std_array_tag;
struct random_access_traversal_tag;
namespace extension
{
template<typename T>
struct category_of_impl;
template<>
struct category_of_impl<std_array_tag>
{
template<typename T>
struct apply
{
typedef random_access_traversal_tag type;
};
};
}
}}
#endif

45
include/boost/fusion/adapted/std_array/detail/end_impl.hpp Normal file
View File

@ -0,0 +1,45 @@
/*=============================================================================
Copyright (c) 2013 Mateusz Loskot
Copyright (c) 2001-2011 Joel de Guzman
Copyright (c) 2005-2006 Dan Marsden
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_STD_ARRAY_END_OF_IMPL_01062013_1700)
#define BOOST_FUSION_STD_ARRAY_END_OF_IMPL_01062013_1700
#include <boost/fusion/adapted/std_array/std_array_iterator.hpp>
#include <boost/fusion/adapted/std_array/detail/array_size.hpp>
#include <boost/type_traits/remove_const.hpp>
namespace boost { namespace fusion {
struct std_array_tag;
namespace extension
{
template <typename Tag>
struct end_impl;
template <>
struct end_impl<std_array_tag>
{
template <typename Sequence>
struct apply
{
typedef typename remove_const<Sequence>::type seq_type;
static int const size = std_array_size<seq_type>::value;
typedef std_array_iterator<Sequence, size> type;
static type
call(Sequence& v)
{
return type(v);
}
};
};
}
}}
#endif

32
include/boost/fusion/adapted/std_array/detail/is_sequence_impl.hpp Normal file
View File

@ -0,0 +1,32 @@
/*=============================================================================
Copyright (c) 2013 Mateusz Loskot
Copyright (c) 2001-2011 Joel de Guzman
Copyright (c) 2005-2006 Dan Marsden
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_STD_ARRAY_IS_SEQUENCE_IMPL_01062013_1700)
#define BOOST_FUSION_STD_ARRAY_IS_SEQUENCE_IMPL_01062013_1700
#include <boost/mpl/bool.hpp>
namespace boost { namespace fusion {
struct std_array_tag;
namespace extension
{
template<typename Tag>
struct is_sequence_impl;
template<>
struct is_sequence_impl<std_array_tag>
{
template<typename Sequence>
struct apply : mpl::true_ {};
};
}
}}
#endif

33
include/boost/fusion/adapted/std_array/detail/is_view_impl.hpp Normal file
View File

@ -0,0 +1,33 @@
/*=============================================================================
Copyright (c) 2013 Mateusz Loskot
Copyright (c) 2001-2011 Joel de Guzman
Copyright (c) 2005-2006 Dan Marsden
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_STD_ARRAY_IS_VIEW_IMPL_01062013_1700)
#define BOOST_FUSION_STD_ARRAY_IS_VIEW_IMPL_01062013_1700
#include <boost/mpl/bool.hpp>
namespace boost { namespace fusion
{
struct std_array_tag;
namespace extension
{
template<typename Tag>
struct is_view_impl;
template<>
struct is_view_impl<std_array_tag>
{
template<typename T>
struct apply : mpl::false_
{};
};
}
}}
#endif

41
include/boost/fusion/adapted/std_array/detail/size_impl.hpp Normal file
View File

@ -0,0 +1,41 @@
/*=============================================================================
Copyright (c) 2013 Mateusz Loskot
Copyright (c) 2001-2011 Joel de Guzman
Copyright (c) 2005-2006 Dan Marsden
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_STD_ARRAY_SIZE_IMPL_01062013_1700)
#define BOOST_FUSION_STD_ARRAY_SIZE_IMPL_01062013_1700
#include <boost/fusion/adapted/std_array/detail/array_size.hpp>
#include <boost/type_traits/remove_const.hpp>
namespace boost { namespace fusion {
struct std_array_tag;
namespace extension
{
template<typename T>
struct size_impl;
template<>
struct size_impl<std_array_tag>
{
template<typename Sequence>
struct apply
: mpl::int_
<
std_array_size
<
typename remove_const<Sequence>::type
>::value
>
{};
};
}
}}
#endif

32
include/boost/fusion/adapted/std_array/detail/value_at_impl.hpp Normal file
View File

@ -0,0 +1,32 @@
/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
Copyright (c) 2005-2006 Dan Marsden
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_STD_ARRAY_VALUE_AT_IMPL_01062013_1700)
#define BOOST_FUSION_STD_ARRAY_VALUE_AT_IMPL_01062013_1700
namespace boost { namespace fusion {
struct std_array_tag;
namespace extension
{
template<typename T>
struct value_at_impl;
template <>
struct value_at_impl<std_array_tag>
{
template <typename Sequence, typename N>
struct apply
{
typedef typename Sequence::value_type type;
};
};
}
}}
#endif

109
include/boost/fusion/adapted/std_array/std_array_iterator.hpp Normal file
View File

@ -0,0 +1,109 @@
/*=============================================================================
Copyright (c) 2013 Mateusz Loskot
Copyright (c) 2001-2011 Joel de Guzman
Copyright (c) 2005-2006 Dan Marsden
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_STD_ARRAY_ARRAY_ITERATOR_01062013_1700)
#define BOOST_FUSION_STD_ARRAY_ARRAY_ITERATOR_01062013_1700
#include <cstddef>
#include <boost/config.hpp>
#include <boost/mpl/int.hpp>
#include <boost/mpl/assert.hpp>
#include <boost/mpl/if.hpp>
#include <boost/mpl/minus.hpp>
#include <boost/type_traits/is_const.hpp>
#include <boost/fusion/iterator/iterator_facade.hpp>
#include <boost/fusion/adapted/std_array/detail/array_size.hpp>
namespace boost { namespace fusion
{
struct random_access_traversal_tag;
template <typename Array, int Pos>
struct std_array_iterator
: iterator_facade<std_array_iterator<Array, Pos>, random_access_traversal_tag>
{
BOOST_MPL_ASSERT_RELATION(Pos, >=, 0);
BOOST_MPL_ASSERT_RELATION(Pos, <=, std::tuple_size<Array>::value);
typedef mpl::int_<Pos> index;
typedef Array array_type;
std_array_iterator(Array& a)
: array(a) {}
Array& array;
template <typename Iterator>
struct value_of
{
typedef typename Iterator::array_type array_type;
typedef typename array_type::value_type type;
};
template <typename Iterator>
struct deref
{
typedef typename Iterator::array_type array_type;
typedef typename
mpl::if_<
is_const<array_type>
, typename array_type::const_reference
, typename array_type::reference
>::type
type;
static type
call(Iterator const & it)
{
return it.array[Iterator::index::value];
}
};
template <typename Iterator, typename N>
struct advance
{
typedef typename Iterator::index index;
typedef typename Iterator::array_type array_type;
typedef std_array_iterator<array_type, index::value + N::value> type;
static type
call(Iterator const& i)
{
return type(i.array);
}
};
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 distance : mpl::minus<typename I2::index, typename I1::index>
{
typedef typename
mpl::minus<
typename I2::index, typename I1::index
>::type
type;
static type
call(I1 const&, I2 const&)
{
return type();
}
};
private:
std_array_iterator<Array, Pos>& operator=(std_array_iterator<Array, Pos> const&);
};
}}
#endif

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

@ -0,0 +1,52 @@
/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
Copyright (c) 2005-2006 Dan Marsden
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_STD_ARRAY_TAG_OF_01062013_1700)
#define BOOST_FUSION_STD_ARRAY_TAG_OF_01062013_1700
#include <boost/fusion/support/tag_of_fwd.hpp>
#include <array>
#include <cstddef>
namespace boost { namespace fusion
{
struct std_array_tag;
struct fusion_sequence_tag;
namespace traits
{
template<typename T, std::size_t N>
#if defined(BOOST_NO_PARTIAL_SPECIALIZATION_IMPLICIT_DEFAULT_ARGS)
struct tag_of<std::array<T,N>, void >
#else
struct tag_of<std::array<T,N> >
#endif
{
typedef std_array_tag type;
};
}
}}
namespace boost { namespace mpl
{
template<typename>
struct sequence_tag;
template<typename T, std::size_t N>
struct sequence_tag<std::array<T,N> >
{
typedef fusion::fusion_sequence_tag type;
};
template<typename T, std::size_t N>
struct sequence_tag<std::array<T,N> const>
{
typedef fusion::fusion_sequence_tag type;
};
}}
#endif