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File://usr/include/boost/phoenix/stl/container/container.hpp

/*=============================================================================
    Copyright (c) 2004 Angus Leeming
    Copyright (c) 2004 Joel de Guzman

    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_PHOENIX_STL_CONTAINER_CONTAINER_HPP
#define BOOST_PHOENIX_STL_CONTAINER_CONTAINER_HPP

#include <boost/phoenix/core/limits.hpp>
#include <boost/mpl/and.hpp>
#include <boost/mpl/not.hpp>
#include <boost/mpl/or.hpp>
#include <boost/mpl/void.hpp>
#include <boost/phoenix/stl/container/detail/container.hpp>
#include <boost/phoenix/function/adapt_callable.hpp>
#include <boost/type_traits/is_const.hpp>

namespace boost { namespace phoenix
{
///////////////////////////////////////////////////////////////////////////////
//
//  STL container member functions
//
//      Lazy functions for STL container member functions
//
//      These functions provide a mechanism for the lazy evaluation of the
//      public member functions of the STL containers. For an overview of
//      what is meant by 'lazy evaluation', see the comments in operators.hpp
//      and functions.hpp.
//
//      Lazy functions are provided for all of the member functions of the
//      following containers:
//
//      deque - list - map - multimap - vector - set - multiset.
//
//      Indeed, should *your* class have member functions with the same names
//      and signatures as those listed below, then it will automatically be
//      supported. To summarize, lazy functions are provided for member
//      functions:
//
//          assign - at - back - begin - capacity - clear - empty - end -
//          erase - front - get_allocator - insert - key_comp - max_size -
//          pop_back - pop_front - push_back - push_front - rbegin - rend -
//          reserve - resize . size - splice - value_comp.
//
//      The lazy functions' names are the same as the corresponding member
//      function. Sample usage:
//
//      "Normal" version                 "Lazy" version
//      ----------------                 --------------
//      my_vector.at(5)                  phoenix::at(arg1, 5)
//      my_list.size()                   phoenix::size(arg1)
//      my_vector1.swap(my_vector2)      phoenix::swap(arg1, arg2)
//
//      Notice that member functions with names that clash with a
//      function in stl algorithms are absent. This will be provided
//      in Phoenix's algorithm module.
//
//      No support is provided here for lazy versions of operator+=,
//      operator[] etc. Such operators are not specific to STL containers and
//      lazy versions can therefore be found in operators.hpp.
//
///////////////////////////////////////////////////////////////////////////////

///////////////////////////////////////////////////////////////////////////////
//
//  Lazy member function implementaions.
//
//      The structs below provide the guts of the implementation. Thereafter,
//      the corresponding lazy function itself is simply:
//
//          function<stl::assign> const assign = stl::assign();
//
//      The structs provide a nested "result" class template whose
//      "type" typedef enables the lazy function to ascertain the type
//      to be returned when it is invoked.
//
//      They also provide operator() member functions with signatures
//      corresponding to those of the underlying member function of
//      the STL container.
//
///////////////////////////////////////////////////////////////////////////////
    namespace stl
    {
        struct assign
        {
            template <typename Sig>
            struct result;

            template <
                typename This
              , typename C
              , typename Arg1
            >
            struct result<This(C&, Arg1&)>
            {
                typedef typename add_reference<C>::type type;
            };

            template <
                typename This
              , typename C
              , typename Arg1
              , typename Arg2
            >
            struct result<This(C&, Arg1, Arg2)>
            {
                typedef typename add_reference<C>::type type;
            };

            template <
                typename This
              , typename C
              , typename Arg1
              , typename Arg2
              , typename Arg3
            >
            struct result<This(C&, Arg1, Arg2, Arg3)>
            {
                typedef typename add_reference<C>::type type;
            };

            template <typename C, typename Arg1>
            C& operator()(C& c, Arg1 const & arg1) const
            {
                c.assign(arg1);
                return c;
            }

            template <typename C, typename Arg1, typename Arg2>
            C& operator()(C& c, Arg1 arg1, Arg2 arg2) const
            {
                c.assign(arg1, arg2);
                return c;
            }

            template <typename C, typename Arg1, typename Arg2, typename Arg3>
            C& operator()(
                C& c
              , Arg1 arg1
              , Arg2 arg2
              , Arg3 const & arg3
            ) const
            {
                return c.assign(arg1, arg2, arg3);
            }
        };

        struct at_impl
        {
            template <typename Sig>
            struct result;

            template <typename This, typename C, typename Index>
            struct result<This(C&, Index)>
            {
                //typedef typename const_qualified_reference_of<C>::type type;
                typedef typename C::value_type & type;
            };

            template <typename C, typename Index>
            typename result<at_impl(C&, Index const&)>::type
            operator()(C& c, Index const &i) const
            {
                return c.at(i);
            }

            template <typename This, typename C, typename Index>
            struct result<This(C const&, Index)>
            {
                typedef typename C::value_type const & type;
            };

            template <typename C, typename Index>
            typename result<at_impl(C const&, Index const&)>::type
            operator()(C const& c, Index const &i) const
            {
                return c.at(i);
            }
        };

        struct back
        {
            template <typename Sig>
            struct result;

            template <typename This, typename C>
            struct result<This(C&)>
            {
                typedef
                    typename const_qualified_reference_of<C>::type
                type;
            };

            template <typename C>
            typename result<back(C&)>::type
            operator()(C& c) const
            {
                return c.back();
            }
        };

        struct begin
        {
            template <typename Sig>
            struct result;

            template <typename This, typename C>
            struct result<This(C&)>
            {
                typedef typename const_qualified_iterator_of<C>::type type;
            };

            template <typename C>
            typename result<begin(C&)>::type
            operator()(C& c) const
            {
                return c.begin();
            }
        };

        struct capacity
        {
            template <typename Sig>
            struct result;

            template <typename This, typename C>
            struct result<This(C&)>
            {
                typedef typename size_type_of<C>::type type;
            };

            template <typename C>
            typename result<capacity(C&)>::type
            operator()(C const& c) const
            {
                return c.capacity();
            }
        };

        struct clear
        {
            typedef void result_type;

            template <typename C>
            void operator()(C& c) const
            {
                return c.clear();
            }
        };

        struct empty
        {
            typedef bool result_type;

            template <typename C>
            bool operator()(C const& c) const
            {
                return c.empty();
            }
        };

        struct end
        {
            template <typename Sig>
            struct result;

            template <typename This, typename C>
            struct result<This(C&)>
            {
                typedef typename const_qualified_iterator_of<C>::type type;
            };

            template <typename C>
            typename result<end(C&)>::type
            operator()(C& c) const
            {
                return c.end();
            }
        };

        namespace result_of
        {
            template <typename C, typename Arg1, typename Arg2 = mpl::void_>
            struct erase
            {
                // MSVC and libc++ always returns iterator even in C++03 mode.
                typedef
                    boost::mpl::eval_if<
                        is_key_type_of<C, Arg1>
                      , size_type_of<C>
#if defined(BOOST_MSVC) /*&& (BOOST_MSVC <= 1500)*/ \
 && (defined(BOOST_LIBSTDCXX11) && 40500 <= BOOST_LIBSTDCXX_VERSION) \
 && defined(_LIBCPP_VERSION)
                      , iterator_of<C>
#else
                      , boost::mpl::identity<void>
#endif
                    >
                assoc_erase_result;

                typedef typename
                    boost::mpl::eval_if_c<
                        has_key_type<C>::value
                      , assoc_erase_result
                      , iterator_of<C>
                    >::type
                type;
            };
        }

        struct erase
        {
            //  This mouthful can differentiate between the generic erase
            //  functions (Container == std::deque, std::list, std::vector) and
            //  that specific to Associative Containers.
            //
            //  where C is a std::deque, std::list, std::vector:
            //
            //      1) iterator C::erase(iterator where);
            //      2) iterator C::erase(iterator first, iterator last);
            //
            //  where C is a std::map, std::multimap, std::set, or std::multiset:
            //
            //      3) size_type M::erase(const Key& keyval);
            //      4-a) void M::erase(iterator where);
            //      4-b) iterator M::erase(iterator where);
            //      5-a) void M::erase(iterator first, iterator last);
            //      5-b) iterator M::erase(iterator first, iterator last);

            template <typename Sig>
            struct result;

            template <typename This, typename C, typename Arg1>
            struct result<This(C&, Arg1)>
                : result_of::erase<C, Arg1>
            {};

            template <typename This, typename C, typename Arg1, typename Arg2>
            struct result<This(C&, Arg1, Arg2)>
                : result_of::erase<C, Arg1, Arg2>
            {};

            template <typename C, typename Arg1>
            typename result_of::erase<C, Arg1>::type
            operator()(C& c, Arg1 arg1) const
            {
                typedef typename result_of::erase<C, Arg1>::type result_type;
                return static_cast<result_type>(c.erase(arg1));
            }

            template <typename C, typename Arg1, typename Arg2>
            typename result_of::erase<C, Arg1, Arg2>::type
            operator()(C& c, Arg1 arg1, Arg2 arg2) const
            {
                typedef typename result_of::erase<C, Arg1, Arg2>::type result_type;
                return static_cast<result_type>(c.erase(arg1, arg2));
            }
        };

        struct front
        {
            template <typename Sig>
            struct result;

            template <typename This, typename C>
            struct result<This(C&)>
            {
                typedef typename const_qualified_reference_of<C>::type type;
            };

            template <typename C>
            typename result<front(C&)>::type
            operator()(C& c) const
            {
                return c.front();
            }
        };

        struct get_allocator
        {
            template <typename Sig>
            struct result;

            template <typename This, typename C>
            struct result<This(C&)>
            {
                typedef typename allocator_type_of<C>::type type;
            };

            template <typename C>
            typename result<get_allocator(C const&)>::type
            operator()(C& c) const
            {
                return c.get_allocator();
            }
        };

        namespace result_of
        {
            template <
                typename C
              , typename Arg1
              , typename Arg2 = mpl::void_
              , typename Arg3 = mpl::void_
            >
            class insert
            {
                struct pair_iterator_bool
                {
                    typedef typename std::pair<typename C::iterator, bool> type;
                };

                typedef
                    boost::mpl::eval_if<
                        map_insert_returns_pair<typename remove_const<C>::type>
                      , pair_iterator_bool
                      , iterator_of<C>
                    >
                choice_1;

                typedef
                    boost::mpl::eval_if_c<
                        boost::mpl::and_<
                            boost::is_same<Arg3, mpl::void_>
                          , boost::mpl::not_<boost::is_same<Arg1, Arg2> >
                        >::value
                      , iterator_of<C>
                      , boost::mpl::identity<void>
                    >
                choice_2;

            public:

                typedef typename
                    boost::mpl::eval_if_c<
                        boost::is_same<Arg2, mpl::void_>::value
                      , choice_1
                      , choice_2
                    >::type
                type;
            };
        }

        struct insert
        {
            //  This mouthful can differentiate between the generic insert
            //  functions (Container == deque, list, vector) and those
            //  specific to the two map-types, std::map and std::multimap.
            //
            //  where C is a std::deque, std::list, std::vector:
            //
            //      1) iterator C::insert(iterator where, value_type value);
            //      2) void C::insert(
            //          iterator where, size_type count, value_type value);
            //      3) template <typename Iter>
            //         void C::insert(iterator where, Iter first, Iter last);
            //
            //  where M is a std::map and MM is a std::multimap:
            //
            //      4) pair<iterator, bool> M::insert(value_type const&);
            //      5) iterator MM::insert(value_type const&);
            //
            //  where M is a std::map or std::multimap:
            //
            //      6) template <typename Iter>
            //         void M::insert(Iter first, Iter last);

            template <typename Sig>
            struct result;

            template <
                typename This
              , typename C
              , typename Arg1
            >
            struct result<This(C &, Arg1)>
                : result_of::insert<C, Arg1>
            {};

            template <
                typename This
              , typename C
              , typename Arg1
              , typename Arg2
            >
            struct result<This(C &, Arg1, Arg2)>
                : result_of::insert<C, Arg1, Arg2>
            {};

            template <
                typename This
              , typename C
              , typename Arg1
              , typename Arg2
              , typename Arg3
            >
            struct result<This(C &, Arg1, Arg2, Arg3)>
                : result_of::insert<C, Arg1, Arg2, Arg3>
            {};

            template <typename C, typename Arg1>
            typename result<insert(C&, Arg1)>::type
            operator()(C& c, Arg1 arg1) const
            {
                return c.insert(arg1);
            }

            template <typename C, typename Arg1, typename Arg2>
            typename result<insert(C&, Arg1, Arg2)>::type
            operator()(C& c, Arg1 arg1, Arg2 arg2) const
            {
                typedef typename result<insert(C&, Arg1, Arg2)>::type result_type;
                return static_cast<result_type>(c.insert(arg1, arg2));
            }

            template <typename C, typename Arg1, typename Arg2, typename Arg3>
            typename result<insert(C&, Arg1, Arg2, Arg3)>::type
            operator()(C& c, Arg1 arg1, Arg2 arg2, Arg3 arg3) const
            {
                typedef typename result<insert(C&, Arg1, Arg2, Arg3)>::type result_type;
                return static_cast<result_type>(c.insert(arg1, arg2, arg3));
            }
        };

        namespace result_of
        {
            template <typename C>
            struct key_comp
            {
                typedef typename key_compare_of<C>::type type;
            };
        }

        struct key_comp
        {
            template <typename Sig>
            struct result;

            template <typename This, typename C>
            struct result<This(C&)>
                : result_of::key_comp<C>
            {};

            template <typename C>
            typename result_of::key_comp<C>::type
            operator()(C& c) const
            {
                return c.key_comp();
            }
        };

        struct max_size
        {
            template <typename Sig>
            struct result;

            template <typename This, typename C>
            struct result<This(C&)>
            {
                typedef typename size_type_of<C>::type type;
            };

            template <typename C>
            typename result<max_size(C const&)>::type
            operator()(C& c) const
            {
                return c.max_size();
            }
        };

        struct pop_back
        {
            typedef void result_type;

            template <typename C>
            void operator()(C& c) const
            {
                return c.pop_back();
            }
        };

        struct pop_front
        {
            typedef void result_type;

            template <typename C>
            void operator()(C& c) const
            {
                return c.pop_front();
            }
        };

        struct push_back
        {
            typedef void result_type;

            template <typename C, typename Arg>
            void operator()(C& c, Arg const& data) const
            {
                return c.push_back(data);
            }
        };

        struct push_front
        {
            typedef void result_type;

            template <typename C, typename Arg>
            void operator()(C& c, Arg const& data) const
            {
                return c.push_front(data);
            }
        };

        struct rbegin
        {
            template <typename Sig>
            struct result;

            template <typename This, typename C>
            struct result<This(C&)>
            {
                typedef typename
                    const_qualified_reverse_iterator_of<C>::type
                type;
            };

            template <typename C>
            typename result<rbegin(C&)>::type
            operator()(C& c) const
            {
                return c.rbegin();
            }
        };

        struct rend
        {
            template <typename Sig>
            struct result;

            template <typename This, typename C>
            struct result<This(C&)>
            {
                typedef typename
                    const_qualified_reverse_iterator_of<C>::type
                type;
            };

            template <typename C>
            typename result<rend(C&)>::type
            operator()(C& c) const
            {
                return c.rend();
            }
        };

        struct reserve
        {
            typedef void result_type;

            template <typename C, typename Arg>
            void operator()(C& c, Arg const& count) const
            {
                c.reserve(count);
            }
        };

        struct resize
        {
            typedef void result_type;

            template <typename C, typename Arg1>
            void operator()(C& c, Arg1 const& arg1) const
            {
                c.resize(arg1);
            }

            template <typename C, typename Arg1, typename Arg2>
            void operator()(C& c, Arg1 const& arg1, Arg2 const& arg2) const
            {
                c.resize(arg1, arg2);
            }
        };

        struct size
        {
            template <typename Sig>
            struct result;

            template <typename This, typename C>
            struct result<This(C&)>
            {
                typedef typename size_type_of<C>::type type;
            };

            template <typename C>
            typename result<size(C&)>::type
            operator()(C& c) const
            {
                return c.size();
            }
        };

    struct splice
    {
        typedef void result_type;

        template <typename C, typename Arg1, typename Arg2>
        void operator()(C& c, Arg1 arg1, Arg2 &arg2) const
        {
            c.splice(arg1, arg2);
        }

        template <
            typename C
          , typename Arg1
          , typename Arg2
          , typename Arg3
        >
        void operator()(
            C& c
          , Arg1 arg1
          , Arg2 & arg2
          , Arg3 arg3
        ) const
        {
            c.splice(arg1, arg2, arg3);
        }

        template <
            typename C
          , typename Arg1
          , typename Arg2
          , typename Arg3
          , typename Arg4
        >
        void operator()(
            C c
          , Arg1 arg1
          , Arg2 & arg2
          , Arg3 arg3
          , Arg4 arg4
        ) const
        {
            c.splice(arg1, arg2, arg3, arg4);
        }
    };


    namespace result_of
    {
        template <typename C>
        struct value_comp
        {
            typedef typename value_compare_of<C>::type type;
        };
    }

    struct value_comp
    {
        template <typename Sig>
        struct result;

        template <typename This, typename C>
        struct result<This(C&)>
            : result_of::value_comp<C>
        {};

        template <typename C>
        typename result_of::value_comp<C>::type
        operator()(C& c) const
        {
            return c.value_comp();
        }
    };

} // namespace stl

    ///////////////////////////////////////////////////////////////////////////////
    //
    //  The lazy functions themselves.
    //
    ///////////////////////////////////////////////////////////////////////////////
    namespace adl_barrier
    {
        BOOST_PHOENIX_ADAPT_CALLABLE(assign, boost::phoenix::stl::assign, 2)
        BOOST_PHOENIX_ADAPT_CALLABLE(assign, boost::phoenix::stl::assign, 3)
        BOOST_PHOENIX_ADAPT_CALLABLE(assign, boost::phoenix::stl::assign, 4)
        BOOST_PHOENIX_ADAPT_CALLABLE(at, ::boost::phoenix::stl::at_impl, 2)
        BOOST_PHOENIX_ADAPT_CALLABLE(back, stl::back, 1)
        BOOST_PHOENIX_ADAPT_CALLABLE(begin, stl::begin, 1)
        BOOST_PHOENIX_ADAPT_CALLABLE(capacity, stl::capacity, 1)
        BOOST_PHOENIX_ADAPT_CALLABLE(clear, stl::clear, 1)
        BOOST_PHOENIX_ADAPT_CALLABLE(empty, stl::empty, 1)
        BOOST_PHOENIX_ADAPT_CALLABLE(end, stl::end, 1)
        BOOST_PHOENIX_ADAPT_CALLABLE(erase, stl::erase, 2)
        BOOST_PHOENIX_ADAPT_CALLABLE(erase, stl::erase, 3)
        BOOST_PHOENIX_ADAPT_CALLABLE(front, stl::front, 1)
        BOOST_PHOENIX_ADAPT_CALLABLE(get_allocator, stl::get_allocator, 1)
        BOOST_PHOENIX_ADAPT_CALLABLE(insert, stl::insert, 2)
        BOOST_PHOENIX_ADAPT_CALLABLE(insert, stl::insert, 3)
        BOOST_PHOENIX_ADAPT_CALLABLE(insert, stl::insert, 4)
        BOOST_PHOENIX_ADAPT_CALLABLE(key_comp, stl::key_comp, 1)
        BOOST_PHOENIX_ADAPT_CALLABLE(max_size, stl::max_size, 1)
        BOOST_PHOENIX_ADAPT_CALLABLE(pop_back, stl::pop_back, 1)
        BOOST_PHOENIX_ADAPT_CALLABLE(pop_front, stl::pop_front, 1)
        BOOST_PHOENIX_ADAPT_CALLABLE(push_back, stl::push_back, 2)
        BOOST_PHOENIX_ADAPT_CALLABLE(push_front, stl::push_front, 2)
        BOOST_PHOENIX_ADAPT_CALLABLE(rbegin, stl::rbegin, 1)
        BOOST_PHOENIX_ADAPT_CALLABLE(rend, stl::rend, 1)
        BOOST_PHOENIX_ADAPT_CALLABLE(reserve, stl::reserve, 2)
        BOOST_PHOENIX_ADAPT_CALLABLE(resize, stl::resize, 2)
        BOOST_PHOENIX_ADAPT_CALLABLE(resize, stl::resize, 3)
        BOOST_PHOENIX_ADAPT_CALLABLE(size, stl::size, 1)
        BOOST_PHOENIX_ADAPT_CALLABLE(splice, stl::splice, 2)
        BOOST_PHOENIX_ADAPT_CALLABLE(splice, stl::splice, 3)
        BOOST_PHOENIX_ADAPT_CALLABLE(splice, stl::splice, 4)
        BOOST_PHOENIX_ADAPT_CALLABLE(splice, stl::splice, 5)
        BOOST_PHOENIX_ADAPT_CALLABLE(value_comp, stl::value_comp, 1)
    }

    using namespace phoenix::adl_barrier;
}} // namespace boost::phoenix

#endif // BOOST_PHOENIX_STL_CONTAINERS_HPP

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