blob: a4f60248b4e26e6b65c1b6800a269f417c641255 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
//
// Copyright (c) 2016-2019 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_DETAIL_BUFFERS_REF_HPP
#define BOOST_BEAST_DETAIL_BUFFERS_REF_HPP
#include <boost/beast/core/buffer_traits.hpp>
#include <iterator>
#include <memory>
namespace boost {
namespace beast {
namespace detail {
// A very lightweight reference to a buffer sequence
template<class BufferSequence>
class buffers_ref
{
BufferSequence const* buffers_;
public:
using const_iterator =
buffers_iterator_type<BufferSequence>;
using value_type = typename
std::iterator_traits<const_iterator>::value_type;
buffers_ref(buffers_ref const&) = default;
buffers_ref& operator=(buffers_ref const&) = default;
explicit
buffers_ref(BufferSequence const& buffers)
: buffers_(std::addressof(buffers))
{
}
const_iterator
begin() const
{
return net::buffer_sequence_begin(*buffers_);
}
const_iterator
end() const
{
return net::buffer_sequence_end(*buffers_);
}
};
// Return a reference to a buffer sequence
template<class BufferSequence>
buffers_ref<BufferSequence>
make_buffers_ref(BufferSequence const& buffers)
{
static_assert(
is_const_buffer_sequence<BufferSequence>::value,
"BufferSequence type requirements not met");
return buffers_ref<BufferSequence>(buffers);
}
} // detail
} // beast
} // boost
#endif
|
