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Diffstat (limited to '3rdParty/Boost/src/boost/fusion/support/category_of.hpp')
| -rw-r--r-- | 3rdParty/Boost/src/boost/fusion/support/category_of.hpp | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/fusion/support/category_of.hpp b/3rdParty/Boost/src/boost/fusion/support/category_of.hpp new file mode 100644 index 0000000..805d895 --- /dev/null +++ b/3rdParty/Boost/src/boost/fusion/support/category_of.hpp @@ -0,0 +1,112 @@ +/*============================================================================= + 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_CATEGORY_OF_07202005_0308) +#define FUSION_CATEGORY_OF_07202005_0308 + +#include <boost/fusion/support/detail/category_of.hpp> +#include <boost/fusion/support/tag_of.hpp> +#include <boost/type_traits/is_base_of.hpp> + +namespace boost { namespace fusion +{ + // Special tags: + struct boost_tuple_tag; // boost::tuples::tuple tag + struct boost_array_tag; // boost::array tag + struct mpl_sequence_tag; // mpl sequence tag + struct std_pair_tag; // std::pair tag + + struct incrementable_traversal_tag {}; + + struct single_pass_traversal_tag + : incrementable_traversal_tag {}; + + struct forward_traversal_tag + : single_pass_traversal_tag {}; + + struct bidirectional_traversal_tag + : forward_traversal_tag {}; + + struct random_access_traversal_tag + : bidirectional_traversal_tag {}; + + struct associative_tag {}; + + namespace extension + { + template<typename Tag> + struct category_of_impl + { + template<typename T> + struct apply : detail::fusion_category_of<T> {}; + }; + + template <> + struct category_of_impl<boost_tuple_tag>; + + template <> + struct category_of_impl<boost_array_tag>; + + template <> + struct category_of_impl<mpl_sequence_tag>; + + template <> + struct category_of_impl<std_pair_tag>; + } + + namespace traits + { + template <typename T> + struct category_of + : extension::category_of_impl<typename fusion::detail::tag_of<T>::type>:: + template apply<T> + {}; + + template <typename T> + struct is_associative + : is_base_of< + associative_tag + , typename category_of<T>::type> + {}; + + template <typename T> + struct is_incrementable + : is_base_of< + incrementable_traversal_tag + , typename category_of<T>::type> + {}; + + template <typename T> + struct is_single_pass + : is_base_of< + single_pass_traversal_tag + , typename category_of<T>::type> + {}; + + template <typename T> + struct is_forward + : is_base_of< + forward_traversal_tag + , typename category_of<T>::type> + {}; + + template <typename T> + struct is_bidirectional + : is_base_of< + bidirectional_traversal_tag + , typename category_of<T>::type> + {}; + + template <typename T> + struct is_random_access + : is_base_of< + random_access_traversal_tag + , typename category_of<T>::type> + {}; + } +}} + +#endif |