buffer_cat.hpp

Go to the documentation of this file.

//
// Copyright (c) 2016-2017 Vinnie Falco (vinnie dot falco at gmail dot com)
//
// 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)
//
// Official repository: https://github.com/boostorg/beast
//

#ifndef BOOST_BEAST_BUFFER_CAT_HPP
#define BOOST_BEAST_BUFFER_CAT_HPP

#include <boost/beast/config.hpp>
#include <boost/beast/core/detail/type_traits.hpp>
#include <tuple>

namespace boost {
namespace beast {

template<class... Buffers>
class buffer_cat_view
{
    std::tuple<Buffers...> bn_;

public:
#if BOOST_BEAST_DOXYGEN
    using value_type = implementation_defined;
#else
    using value_type = typename
        detail::common_buffers_type<Buffers...>::type;
#endif

    class const_iterator;

    buffer_cat_view(buffer_cat_view&&) = default;

    buffer_cat_view& operator=(buffer_cat_view&&) = default;

    buffer_cat_view& operator=(buffer_cat_view const&) = default;

    explicit
    buffer_cat_view(Buffers const&... buffers);

    //-----

    buffer_cat_view(buffer_cat_view const&) = default;

    const_iterator
    begin() const;

    const_iterator
    end() const;
};

#if BOOST_BEAST_DOXYGEN
template<class... BufferSequence>
buffer_cat_view<BufferSequence...>
buffer_cat(BufferSequence const&... buffers)
#else
template<class B1, class B2, class... Bn>
inline
buffer_cat_view<B1, B2, Bn...>
buffer_cat(B1 const& b1, B2 const& b2, Bn const&... bn)
#endif
{
    static_assert(
        detail::is_all_const_buffer_sequence<B1, B2, Bn...>::value,
            "BufferSequence requirements not met");
    return buffer_cat_view<B1, B2, Bn...>{b1, b2, bn...};
}

} // beast
} // boost

#include <boost/beast/core/impl/buffer_cat.ipp>

#endif