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annotate DEPENDENCIES/generic/include/boost/spirit/home/support/handles_container.hpp @ 133:4acb5d8d80b6 tip

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Don't fail environmental check if README.md exists (but .txt and no-suffix don't)
author Chris Cannam
date Tue, 30 Jul 2019 12:25:44 +0100
parents 2665513ce2d3
children
rev   line source
Chris@16 1 /*=============================================================================
Chris@16 2 Copyright (c) 2001-2011 Hartmut Kaiser
Chris@16 3
Chris@16 4 Distributed under the Boost Software License, Version 1.0. (See accompanying
Chris@16 5 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16 6 ==============================================================================*/
Chris@16 7 #if !defined(BOOST_SPIRIT_HANDLES_CONTAINER_DEC_18_2010_0920AM)
Chris@16 8 #define BOOST_SPIRIT_HANDLES_CONTAINER_DEC_18_2010_0920AM
Chris@16 9
Chris@16 10 #if defined(_MSC_VER)
Chris@16 11 #pragma once
Chris@16 12 #endif
Chris@16 13
Chris@16 14 #include <boost/spirit/home/support/attributes_fwd.hpp>
Chris@16 15 #include <boost/mpl/bool.hpp>
Chris@16 16 #include <boost/mpl/or.hpp>
Chris@16 17 #include <boost/mpl/not.hpp>
Chris@16 18 #include <boost/mpl/find_if.hpp>
Chris@16 19 #include <boost/type_traits/is_same.hpp>
Chris@16 20
Chris@16 21 namespace boost { namespace spirit { namespace traits
Chris@16 22 {
Chris@16 23 // Finds out whether a component handles container attributes intrinsically
Chris@16 24 // (or whether container attributes need to be split up separately).
Chris@16 25 template <typename T, typename Attribute, typename Context
Chris@16 26 , typename Iterator, typename Enable>
Chris@16 27 struct handles_container : mpl::false_ {};
Chris@16 28
Chris@16 29 template <typename Subject, typename Attribute, typename Context
Chris@16 30 , typename Iterator>
Chris@16 31 struct unary_handles_container
Chris@16 32 : handles_container<Subject, Attribute, Context, Iterator> {};
Chris@16 33
Chris@16 34 template <typename Left, typename Right, typename Attribute
Chris@16 35 , typename Context, typename Iterator>
Chris@16 36 struct binary_handles_container
Chris@16 37 : mpl::or_<
Chris@16 38 handles_container<Left, Attribute, Context, Iterator>
Chris@16 39 , handles_container<Right, Attribute, Context, Iterator> >
Chris@16 40 {};
Chris@16 41
Chris@16 42 template <typename Elements, typename Attribute, typename Context
Chris@16 43 , typename Iterator>
Chris@16 44 struct nary_handles_container
Chris@16 45 : mpl::not_<
Chris@16 46 is_same<
Chris@16 47 typename mpl::find_if<
Chris@16 48 Elements, handles_container<mpl::_, Attribute
Chris@16 49 , Context, Iterator>
Chris@16 50 >::type
Chris@16 51 , typename mpl::end<Elements>::type> >
Chris@16 52 {};
Chris@16 53 }}}
Chris@16 54
Chris@16 55 #endif