comparison DEPENDENCIES/generic/include/boost/spirit/home/support/handles_container.hpp @ 16:2665513ce2d3

Add boost headers

+/*=============================================================================
+    Copyright (c) 2001-2011 Hartmut Kaiser
+
+    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_SPIRIT_HANDLES_CONTAINER_DEC_18_2010_0920AM)
+#define BOOST_SPIRIT_HANDLES_CONTAINER_DEC_18_2010_0920AM
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include <boost/spirit/home/support/attributes_fwd.hpp>
+#include <boost/mpl/bool.hpp>
+#include <boost/mpl/or.hpp>
+#include <boost/mpl/not.hpp>
+#include <boost/mpl/find_if.hpp>
+#include <boost/type_traits/is_same.hpp>
+
+namespace boost { namespace spirit { namespace traits
+{
+    // Finds out whether a component handles container attributes intrinsically
+    // (or whether container attributes need to be split up separately).
+    template <typename T, typename Attribute, typename Context
+            , typename Iterator, typename Enable>
+    struct handles_container : mpl::false_ {};
+
+    template <typename Subject, typename Attribute, typename Context
+            , typename Iterator>
+    struct unary_handles_container
+      : handles_container<Subject, Attribute, Context, Iterator> {};
+
+    template <typename Left, typename Right, typename Attribute
+            , typename Context, typename Iterator>
+    struct binary_handles_container 
+      : mpl::or_<
+            handles_container<Left, Attribute, Context, Iterator>
+          , handles_container<Right, Attribute, Context, Iterator> > 
+    {};
+
+    template <typename Elements, typename Attribute, typename Context
+            , typename Iterator>
+    struct nary_handles_container
+      : mpl::not_<
+            is_same<
+                typename mpl::find_if<
+                    Elements, handles_container<mpl::_, Attribute
+                                              , Context, Iterator> 
+                >::type
+              , typename mpl::end<Elements>::type> > 
+    {};
+}}}
+
+#endif