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Diffstat (limited to '3rdParty/Boost/src/boost/fusion/sequence/intrinsic/detail/segmented_begin_impl.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/fusion/sequence/intrinsic/detail/segmented_begin_impl.hpp | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/fusion/sequence/intrinsic/detail/segmented_begin_impl.hpp b/3rdParty/Boost/src/boost/fusion/sequence/intrinsic/detail/segmented_begin_impl.hpp new file mode 100644 index 0000000..5069432 --- /dev/null +++ b/3rdParty/Boost/src/boost/fusion/sequence/intrinsic/detail/segmented_begin_impl.hpp @@ -0,0 +1,92 @@ +/*============================================================================= + Copyright (c) 2011 Eric Niebler + + 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_SEGMENTED_BEGIN_IMPL_HPP_INCLUDED) +#define BOOST_FUSION_SEGMENTED_BEGIN_IMPL_HPP_INCLUDED + +#include <boost/type_traits/remove_const.hpp> +#include <boost/fusion/container/list/cons_fwd.hpp> +#include <boost/fusion/sequence/intrinsic_fwd.hpp> +#include <boost/fusion/support/is_segmented.hpp> +#include <boost/fusion/sequence/intrinsic/detail/segmented_end_impl.hpp> +#include <boost/fusion/support/detail/segmented_fold_until_impl.hpp> + +namespace boost { namespace fusion +{ + template <typename First, typename Last> + struct iterator_range; +}} + +namespace boost { namespace fusion { namespace detail +{ + struct segmented_begin_fun + { + template <typename Sequence, typename State, typename Context> + struct apply + { + typedef + iterator_range< + typename fusion::result_of::begin<Sequence>::type + , typename fusion::result_of::end<Sequence>::type + > + range_type; + + typedef cons<range_type, Context> type; + typedef mpl::false_ continue_type; + + static type call(Sequence& seq, State const&, Context const& context, segmented_begin_fun) + { + return type(range_type(fusion::begin(seq), fusion::end(seq)), context); + } + }; + }; + + template <typename Sequence, typename Stack, bool IsSegmented = traits::is_segmented<Sequence>::type::value> + struct segmented_begin_impl_aux + { + typedef + segmented_end_impl<Sequence, Stack> + end_impl; + + typedef + segmented_fold_until_impl< + Sequence + , typename end_impl::type + , Stack + , segmented_begin_fun + > + fold_impl; + + typedef typename fold_impl::type type; + + static type call(Sequence& seq, Stack const& stack) + { + return fold_impl::call(seq, end_impl::call(seq, stack), stack, segmented_begin_fun()); + } + }; + + template <typename Sequence, typename Stack> + struct segmented_begin_impl_aux<Sequence, Stack, false> + { + typedef typename result_of::begin<Sequence>::type begin_type; + typedef typename result_of::end<Sequence>::type end_type; + typedef iterator_range<begin_type, end_type> pair_type; + typedef cons<pair_type, Stack> type; + + static type call(Sequence& seq, Stack stack) + { + return type(pair_type(fusion::begin(seq), fusion::end(seq)), stack); + } + }; + + template <typename Sequence, typename Stack> + struct segmented_begin_impl + : segmented_begin_impl_aux<Sequence, Stack> + {}; + +}}} + +#endif |