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Diffstat (limited to '3rdParty/Boost/src/boost/fusion/view/filter_view/filter_view.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/fusion/view/filter_view/filter_view.hpp | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/fusion/view/filter_view/filter_view.hpp b/3rdParty/Boost/src/boost/fusion/view/filter_view/filter_view.hpp new file mode 100644 index 0000000..6b6ad4b --- /dev/null +++ b/3rdParty/Boost/src/boost/fusion/view/filter_view/filter_view.hpp @@ -0,0 +1,64 @@ +/*============================================================================= + 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_SEQUENCE_FILTER_VIEW_HPP) +#define FUSION_SEQUENCE_FILTER_VIEW_HPP + +#include <boost/fusion/support/detail/access.hpp> +#include <boost/fusion/support/sequence_base.hpp> +#include <boost/fusion/support/is_view.hpp> +#include <boost/fusion/view/filter_view/filter_view_iterator.hpp> +#include <boost/fusion/view/filter_view/detail/begin_impl.hpp> +#include <boost/fusion/view/filter_view/detail/end_impl.hpp> +#include <boost/fusion/view/filter_view/detail/size_impl.hpp> +#include <boost/fusion/sequence/intrinsic/begin.hpp> +#include <boost/fusion/sequence/intrinsic/end.hpp> +#include <boost/mpl/bool.hpp> +#include <boost/mpl/eval_if.hpp> +#include <boost/mpl/inherit.hpp> +#include <boost/mpl/identity.hpp> + +namespace boost { namespace fusion +{ + struct filter_view_tag; + struct forward_traversal_tag; + struct fusion_sequence_tag; + + template <typename Sequence, typename Pred> + struct filter_view : sequence_base<filter_view<Sequence, Pred> > + { + typedef filter_view_tag fusion_tag; + typedef fusion_sequence_tag tag; // this gets picked up by MPL + typedef typename + mpl::eval_if< + traits::is_associative<Sequence> + , mpl::inherit2<forward_traversal_tag,associative_tag> + , mpl::identity<forward_traversal_tag> + >::type + category; + typedef mpl::true_ is_view; + + typedef typename result_of::begin<Sequence>::type first_type; + typedef typename result_of::end<Sequence>::type last_type; + typedef Pred pred_type; + + filter_view(Sequence& in_seq) + : seq(in_seq) + {} + + first_type first() const { return fusion::begin(seq); } + last_type last() const { return fusion::end(seq); } + typename mpl::if_<traits::is_view<Sequence>, Sequence, Sequence&>::type seq; + + private: + // silence MSVC warning C4512: assignment operator could not be generated + filter_view& operator= (filter_view const&); + }; +}} + +#endif + + |