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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/apply_visitor_binary.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/apply_visitor_binary.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/variant/detail/apply_visitor_binary.hpp | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/variant/detail/apply_visitor_binary.hpp b/3rdParty/Boost/src/boost/variant/detail/apply_visitor_binary.hpp new file mode 100644 index 0000000..92cdb42 --- /dev/null +++ b/3rdParty/Boost/src/boost/variant/detail/apply_visitor_binary.hpp @@ -0,0 +1,172 @@ +//----------------------------------------------------------------------------- +// boost variant/detail/apply_visitor_binary.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2002-2003 +// 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_APPLY_VISITOR_BINARY_HPP +#define BOOST_VARIANT_DETAIL_APPLY_VISITOR_BINARY_HPP + +#include "boost/config.hpp" +#include "boost/detail/workaround.hpp" +#include "boost/variant/detail/generic_result_type.hpp" + +#include "boost/variant/detail/apply_visitor_unary.hpp" + +#include "boost/utility/enable_if.hpp" + +namespace boost { + +////////////////////////////////////////////////////////////////////////// +// function template apply_visitor(visitor, visitable1, visitable2) +// +// Visits visitable1 and visitable2 such that their values (which we +// shall call x and y, respectively) are used as arguments in the +// expression visitor(x, y). +// + +namespace detail { namespace variant { + +template <typename Visitor, typename Value1> +class apply_visitor_binary_invoke +{ +public: // visitor typedefs + + typedef typename Visitor::result_type + result_type; + +private: // representation + + Visitor& visitor_; + Value1& value1_; + +public: // structors + + apply_visitor_binary_invoke(Visitor& visitor, Value1& value1) + : visitor_(visitor) + , value1_(value1) + { + } + +public: // visitor interfaces + + template <typename Value2> + BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(result_type) + operator()(Value2& value2) + { + return visitor_(value1_, value2); + } + +}; + +template <typename Visitor, typename Visitable2> +class apply_visitor_binary_unwrap +{ +public: // visitor typedefs + + typedef typename Visitor::result_type + result_type; + +private: // representation + + Visitor& visitor_; + Visitable2& visitable2_; + +public: // structors + + apply_visitor_binary_unwrap(Visitor& visitor, Visitable2& visitable2) + : visitor_(visitor) + , visitable2_(visitable2) + { + } + +public: // visitor interfaces + + template <typename Value1> + BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(result_type) + operator()(Value1& value1) + { + apply_visitor_binary_invoke< + Visitor + , Value1 + > invoker(visitor_, value1); + + return boost::apply_visitor(invoker, visitable2_); + } + +}; + +}} // namespace detail::variant + +// +// nonconst-visitor version: +// + +#if !BOOST_WORKAROUND(__EDG__, BOOST_TESTED_AT(302)) + +# define BOOST_VARIANT_AUX_APPLY_VISITOR_NON_CONST_RESULT_TYPE(V) \ + BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(typename V::result_type) \ + /**/ + +#else // EDG-based compilers + +# define BOOST_VARIANT_AUX_APPLY_VISITOR_NON_CONST_RESULT_TYPE(V) \ + typename enable_if< \ + mpl::not_< is_const< V > > \ + , BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE(typename V::result_type) \ + >::type \ + /**/ + +#endif // EDG-based compilers workaround + +template <typename Visitor, typename Visitable1, typename Visitable2> +inline + BOOST_VARIANT_AUX_APPLY_VISITOR_NON_CONST_RESULT_TYPE(Visitor) +apply_visitor( + Visitor& visitor + , Visitable1& visitable1, Visitable2& visitable2 + ) +{ + ::boost::detail::variant::apply_visitor_binary_unwrap< + Visitor, Visitable2 + > unwrapper(visitor, visitable2); + + return boost::apply_visitor(unwrapper, visitable1); +} + +#undef BOOST_VARIANT_AUX_APPLY_VISITOR_NON_CONST_RESULT_TYPE + +// +// const-visitor version: +// + +#if !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) + +template <typename Visitor, typename Visitable1, typename Visitable2> +inline + BOOST_VARIANT_AUX_GENERIC_RESULT_TYPE( + typename Visitor::result_type + ) +apply_visitor( + const Visitor& visitor + , Visitable1& visitable1, Visitable2& visitable2 + ) +{ + ::boost::detail::variant::apply_visitor_binary_unwrap< + const Visitor, Visitable2 + > unwrapper(visitor, visitable2); + + return boost::apply_visitor(unwrapper, visitable1); +} + +#endif // MSVC7 and below exclusion + +} // namespace boost + +#endif // BOOST_VARIANT_DETAIL_APPLY_VISITOR_BINARY_HPP |