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author | Remko Tronçon <git@el-tramo.be> | 2010-08-08 18:41:53 (GMT) |
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committer | Remko Tronçon <git@el-tramo.be> | 2010-08-08 18:41:53 (GMT) |
commit | 19df82042f44c201e5a2821b4fa35465e33a1c90 (patch) | |
tree | 1746bddfa31ce2a6488ef5186036a049a255c9da /3rdParty/Boost/src/boost/variant/detail/enable_recursive.hpp | |
parent | 4a5a0977f661bf5c7c34ee7aa48b35073a682203 (diff) | |
download | swift-contrib-19df82042f44c201e5a2821b4fa35465e33a1c90.zip swift-contrib-19df82042f44c201e5a2821b4fa35465e33a1c90.tar.bz2 |
Added XEP-0004 data forms parsing & serializing.
Diffstat (limited to '3rdParty/Boost/src/boost/variant/detail/enable_recursive.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/variant/detail/enable_recursive.hpp | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/variant/detail/enable_recursive.hpp b/3rdParty/Boost/src/boost/variant/detail/enable_recursive.hpp new file mode 100644 index 0000000..76bd7c7 --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/detail/enable_recursive.hpp @@ -0,0 +1,162 @@ +//----------------------------------------------------------------------------- +// boost variant/detail/enable_recursive.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2003 +// Eric Friedman +// +// 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) + +#ifndef BOOST_VARIANT_DETAIL_ENABLE_RECURSIVE_HPP +#define BOOST_VARIANT_DETAIL_ENABLE_RECURSIVE_HPP + +#include "boost/variant/detail/enable_recursive_fwd.hpp" +#include "boost/variant/variant_fwd.hpp" + +#if !defined(BOOST_VARIANT_NO_FULL_RECURSIVE_VARIANT_SUPPORT) +# include "boost/mpl/apply.hpp" +# include "boost/mpl/eval_if.hpp" +# include "boost/mpl/lambda.hpp" +#endif + +#include "boost/variant/detail/substitute.hpp" +#include "boost/mpl/aux_/config/ctps.hpp" +#include "boost/mpl/bool_fwd.hpp" +#include "boost/mpl/if.hpp" +#include "boost/mpl/or.hpp" +#include "boost/type_traits/is_pointer.hpp" +#include "boost/type_traits/is_reference.hpp" +#include "boost/type_traits/is_same.hpp" + +#include "boost/variant/recursive_wrapper.hpp" + +namespace boost { +namespace detail { namespace variant { + +#if !defined(BOOST_VARIANT_DETAIL_NO_SUBSTITUTE) + +# define BOOST_VARIANT_AUX_ENABLE_RECURSIVE_IMPL(T,Dest,Source) \ + substitute< T , Dest , Source > \ + /**/ + +#else // defined(BOOST_VARIANT_DETAIL_NO_SUBSTITUTE) + +/////////////////////////////////////////////////////////////////////////////// +// (detail) class template rebind1 +// +// Limited workaround in case 'substitute' metafunction unavailable. +// + +template <typename T, typename U1> +struct rebind1 +{ +private: + typedef typename mpl::lambda< + mpl::identity<T> + >::type le_; + +public: + typedef typename mpl::eval_if< + is_same< le_, mpl::identity<T> > + , le_ // identity<T> + , mpl::apply1<le_, U1> + >::type type; +}; + +# define BOOST_VARIANT_AUX_ENABLE_RECURSIVE_IMPL(T,Dest,Source) \ + rebind1< T , Dest > \ + /**/ + +#endif // !defined(BOOST_VARIANT_DETAIL_NO_SUBSTITUTE) + +/////////////////////////////////////////////////////////////////////////////// +// (detail) metafunction enable_recursive +// +// See boost/variant/detail/enable_recursive_fwd.hpp for more information. +// + +#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) + +template <typename T, typename RecursiveVariant, typename NoWrapper> +struct enable_recursive + : BOOST_VARIANT_AUX_ENABLE_RECURSIVE_IMPL( + T, RecursiveVariant, ::boost::recursive_variant_ + ) +{ +}; + +template <typename T, typename RecursiveVariant> +struct enable_recursive< T,RecursiveVariant,mpl::false_ > +{ +private: // helpers, for metafunction result (below) + + typedef typename BOOST_VARIANT_AUX_ENABLE_RECURSIVE_IMPL( + T, RecursiveVariant, ::boost::recursive_variant_ + )::type t_; + +public: // metafunction result + + // [Wrap with recursive_wrapper only if rebind really changed something:] + typedef typename mpl::if_< + mpl::or_< + is_same< t_,T > + , is_reference<t_> + , is_pointer<t_> + > + , t_ + , boost::recursive_wrapper<t_> + >::type type; + +}; + +#else // defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) + +template <typename T, typename RecursiveVariant, typename NoWrapper> +struct enable_recursive +{ +private: // helpers, for metafunction result (below) + + typedef typename BOOST_VARIANT_AUX_ENABLE_RECURSIVE_IMPL( + T, RecursiveVariant, ::boost::recursive_variant_ + )::type t_; + +public: // metafunction result + + // [Wrap with recursive_wrapper only if rebind really changed something:] + typedef typename mpl::if_< + mpl::or_< + NoWrapper + , is_same< t_,T > + , is_reference<t_> + , is_pointer<t_> + > + , t_ + , boost::recursive_wrapper<t_> + >::type type; + +}; + +#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION workaround + +/////////////////////////////////////////////////////////////////////////////// +// (detail) metafunction class quoted_enable_recursive +// +// Same behavior as enable_recursive metafunction (see above). +// +template <typename RecursiveVariant, typename NoWrapper> +struct quoted_enable_recursive +{ + template <typename T> + struct apply + : enable_recursive<T, RecursiveVariant, NoWrapper> + { + }; +}; + +}} // namespace detail::variant +} // namespace boost + +#endif // BOOST_VARIANT_DETAIL_ENABLE_RECURSIVE_HPP |