| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com) | ||
| 3 | // | ||
| 4 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | ||
| 5 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | ||
| 6 | // | ||
| 7 | // Official repository: https://github.com/cppalliance/http_proto | ||
| 8 | // | ||
| 9 | |||
| 10 | #ifndef BOOST_HTTP_PROTO_IMPL_SERIALIZER_HPP | ||
| 11 | #define BOOST_HTTP_PROTO_IMPL_SERIALIZER_HPP | ||
| 12 | |||
| 13 | #include <boost/http_proto/detail/except.hpp> | ||
| 14 | #include <boost/buffers/range.hpp> | ||
| 15 | #include <utility> | ||
| 16 | |||
| 17 | namespace boost { | ||
| 18 | namespace http_proto { | ||
| 19 | |||
| 20 | class serializer:: | ||
| 21 | const_buffers_type | ||
| 22 | { | ||
| 23 | std::size_t n_ = 0; | ||
| 24 | buffers::const_buffer const* p_ = nullptr; | ||
| 25 | |||
| 26 | friend class serializer; | ||
| 27 | |||
| 28 | 30 | const_buffers_type( | |
| 29 | buffers::const_buffer const* p, | ||
| 30 | std::size_t n) noexcept | ||
| 31 | 30 | : n_(n) | |
| 32 | 30 | , p_(p) | |
| 33 | { | ||
| 34 | 30 | } | |
| 35 | |||
| 36 | public: | ||
| 37 | using iterator = buffers::const_buffer const*; | ||
| 38 | using const_iterator = iterator; | ||
| 39 | using value_type = buffers::const_buffer; | ||
| 40 | using reference = buffers::const_buffer; | ||
| 41 | using const_reference = buffers::const_buffer; | ||
| 42 | using size_type = std::size_t; | ||
| 43 | using difference_type = std::ptrdiff_t; | ||
| 44 | |||
| 45 | const_buffers_type() = default; | ||
| 46 | const_buffers_type( | ||
| 47 | const_buffers_type const&) = default; | ||
| 48 | const_buffers_type& operator=( | ||
| 49 | const_buffers_type const&) = default; | ||
| 50 | |||
| 51 | iterator | ||
| 52 | 59 | begin() const noexcept | |
| 53 | { | ||
| 54 | 59 | return p_; | |
| 55 | } | ||
| 56 | |||
| 57 | iterator | ||
| 58 | 59 | end() const noexcept | |
| 59 | { | ||
| 60 | 59 | return p_ + n_; | |
| 61 | } | ||
| 62 | }; | ||
| 63 | |||
| 64 | //------------------------------------------------ | ||
| 65 | |||
| 66 | template< | ||
| 67 | class ConstBufferSequence, | ||
| 68 | class> | ||
| 69 | void | ||
| 70 | 14 | serializer:: | |
| 71 | start( | ||
| 72 | message_view_base const& m, | ||
| 73 | ConstBufferSequence&& body) | ||
| 74 | { | ||
| 75 | 14 | start_init(m); | |
| 76 | 14 | auto const& bs = | |
| 77 | ws_.emplace<ConstBufferSequence>( | ||
| 78 | std::forward<ConstBufferSequence>(body)); | ||
| 79 | 14 | std::size_t n = std::distance( | |
| 80 | buffers::begin(bs), | ||
| 81 | buffers::end(bs)); | ||
| 82 | 14 | buf_ = make_array(n); | |
| 83 | 14 | auto p = buf_.data(); | |
| 84 |
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28 | for(buffers::const_buffer b : |
| 85 | 14 | buffers::range(bs)) | |
| 86 | 14 | *p++ = b; | |
| 87 | 14 | start_buffers(m); | |
| 88 | 14 | } | |
| 89 | |||
| 90 | template< | ||
| 91 | class Source, | ||
| 92 | class... Args, | ||
| 93 | class> | ||
| 94 | Source& | ||
| 95 | 16 | serializer:: | |
| 96 | start( | ||
| 97 | message_view_base const& m, | ||
| 98 | Args&&... args) | ||
| 99 | { | ||
| 100 | static_assert( | ||
| 101 | std::is_constructible<Source, Args...>::value || | ||
| 102 | std::is_constructible<Source, buffered_base::allocator&, Args...>::value, | ||
| 103 | "The Source cannot be constructed with the given arguments"); | ||
| 104 | |||
| 105 | 16 | start_init(m); | |
| 106 | 16 | auto& src = construct_source<Source>( | |
| 107 | std::forward<Args>(args)...); | ||
| 108 | 16 | start_source(m, std::addressof(src)); | |
| 109 | 16 | return src; | |
| 110 | } | ||
| 111 | |||
| 112 | //------------------------------------------------ | ||
| 113 | |||
| 114 | inline | ||
| 115 | auto | ||
| 116 | 26 | serializer:: | |
| 117 | make_array(std::size_t n) -> | ||
| 118 | detail::array_of_const_buffers | ||
| 119 | { | ||
| 120 | return { | ||
| 121 | ws_.push_array(n, | ||
| 122 | 52 | buffers::const_buffer{}), | |
| 123 |
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26 | n }; |
| 124 | } | ||
| 125 | |||
| 126 | } // http_proto | ||
| 127 | } // boost | ||
| 128 | |||
| 129 | #endif | ||
| 130 |