os/ossrv/ossrv_pub/boost_apis/boost/tr1/utility.hpp
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/ossrv_pub/boost_apis/boost/tr1/utility.hpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,122 @@
     1.4 +//  (C) Copyright John Maddock 2005.
     1.5 +//  Use, modification and distribution are subject to the
     1.6 +//  Boost Software License, Version 1.0. (See accompanying file
     1.7 +//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
     1.8 +
     1.9 +#ifndef BOOST_TR1_UTILITY_HPP_INCLUDED
    1.10 +#  define BOOST_TR1_UTILITY_HPP_INCLUDED
    1.11 +#  include <boost/tr1/detail/config.hpp>
    1.12 +
    1.13 +#ifdef BOOST_HAS_TR1_UTILITY
    1.14 +
    1.15 +#  ifdef BOOST_HAS_INCLUDE_NEXT
    1.16 +#     include_next BOOST_TR1_HEADER(utility)
    1.17 +#  else
    1.18 +#     include BOOST_TR1_STD_HEADER(BOOST_TR1_PATH(utility))
    1.19 +#  endif
    1.20 +
    1.21 +#else
    1.22 +
    1.23 +#if defined(BOOST_TR1_USE_OLD_TUPLE)
    1.24 +
    1.25 +#include <boost/type_traits/integral_constant.hpp>
    1.26 +#include <boost/type_traits/add_const.hpp>
    1.27 +#include <boost/type_traits/add_reference.hpp>
    1.28 +#include <boost/mpl/if.hpp>
    1.29 +
    1.30 +
    1.31 +namespace std{ namespace tr1{
    1.32 +
    1.33 +template <class T> struct tuple_size; // forward declaration
    1.34 +template < int I, class T> struct tuple_element; // forward declaration
    1.35 +
    1.36 +#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
    1.37 +template <class T1, class T2>
    1.38 +struct tuple_size< ::std::pair<T1, T2> >
    1.39 +   : public ::boost::integral_constant< ::std::size_t, 2>
    1.40 +{
    1.41 +};
    1.42 +
    1.43 +template <class T1, class T2>
    1.44 +struct tuple_element<0, ::std::pair<T1, T2> >
    1.45 +{
    1.46 +   typedef typename std::pair<T1, T2>::first_type type;
    1.47 +};
    1.48 +
    1.49 +template <class T1, class T2>
    1.50 +struct tuple_element<1, std::pair<T1, T2> >
    1.51 +{
    1.52 +   typedef typename std::pair<T1, T2>::second_type type;
    1.53 +};
    1.54 +#endif
    1.55 +
    1.56 +namespace tuple_detail{
    1.57 +   template <int I, class T1, class T2>
    1.58 +   struct tuple_get_result
    1.59 +   {
    1.60 +      typedef typename boost::mpl::if_c<I==0, T1, T2>::type t1;
    1.61 +      typedef typename boost::add_reference<t1>::type type;
    1.62 +   };
    1.63 +   template <int I, class T1, class T2>
    1.64 +   struct const_tuple_get_result
    1.65 +   {
    1.66 +      typedef typename boost::mpl::if_c<I==0, T1, T2>::type t1;
    1.67 +# if BOOST_WORKAROUND( __BORLANDC__, BOOST_TESTED_AT( 0x582))
    1.68 +      // I have absolutely no idea why add_const is not working here for Borland!
    1.69 +      // It passes all other free-standing tests, some strange interaction going on
    1.70 +      typedef typename boost::add_reference< const t1 >::type type;
    1.71 +# else
    1.72 +      typedef typename boost::add_const<t1>::type t2;
    1.73 +      typedef typename boost::add_reference<t2>::type type;
    1.74 +# endif
    1.75 +   };
    1.76 +
    1.77 +template<int I, class T1, class T2>
    1.78 +inline typename tuple_detail::tuple_get_result<I,T1,T2>::type get(std::pair<T1, T2>& p, const ::boost::true_type&)
    1.79 +{
    1.80 +   return p.first;
    1.81 +}
    1.82 +
    1.83 +template<int I, class T1, class T2>
    1.84 +inline typename tuple_detail::const_tuple_get_result<I,T1,T2>::type get(const std::pair<T1, T2>& p, const ::boost::true_type&)
    1.85 +{
    1.86 +   return p.first;
    1.87 +}
    1.88 +
    1.89 +template<int I, class T1, class T2>
    1.90 +inline typename tuple_detail::tuple_get_result<I,T1,T2>::type get(std::pair<T1, T2>& p, const ::boost::false_type&)
    1.91 +{
    1.92 +   return p.second;
    1.93 +}
    1.94 +
    1.95 +template<int I, class T1, class T2>
    1.96 +inline typename tuple_detail::const_tuple_get_result<I,T1,T2>::type get(const std::pair<T1, T2>& p, const ::boost::false_type&)
    1.97 +{
    1.98 +   return p.second;
    1.99 +}
   1.100 +
   1.101 +}
   1.102 +
   1.103 +template<int I, class T1, class T2> 
   1.104 +inline typename tuple_detail::tuple_get_result<I,T1,T2>::type get(std::pair<T1, T2>& p)
   1.105 +{
   1.106 +   return tuple_detail::get<I>(p, boost::integral_constant<bool, I==0>());
   1.107 +}
   1.108 +
   1.109 +template<int I, class T1, class T2> 
   1.110 +inline typename tuple_detail::const_tuple_get_result<I,T1,T2>::type get(const std::pair<T1, T2>& p)
   1.111 +{
   1.112 +   return tuple_detail::get<I>(p, boost::integral_constant<bool, I==0>());
   1.113 +}
   1.114 +
   1.115 +} } // namespaces
   1.116 +
   1.117 +#else
   1.118 +
   1.119 +#include <boost/tr1/tuple.hpp>
   1.120 +
   1.121 +#endif
   1.122 +
   1.123 +#endif
   1.124 +
   1.125 +#endif