| 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 | |||
| 16 | namespace boost { | ||
| 17 | namespace http_proto { | ||
| 18 | |||
| 19 | class serializer:: | ||
| 20 | const_buffers_type | ||
| 21 | { | ||
| 22 | std::size_t n_ = 0; | ||
| 23 | buffers::const_buffer const* p_ = nullptr; | ||
| 24 | |||
| 25 | friend class serializer; | ||
| 26 | |||
| 27 | 30 | const_buffers_type( | |
| 28 | buffers::const_buffer const* p, | ||
| 29 | std::size_t n) noexcept | ||
| 30 | 30 | : n_(n) | |
| 31 | 30 | , p_(p) | |
| 32 | { | ||
| 33 | 30 | } | |
| 34 | |||
| 35 | public: | ||
| 36 | using iterator = buffers::const_buffer const*; | ||
| 37 | using const_iterator = iterator; | ||
| 38 | using value_type = buffers::const_buffer; | ||
| 39 | using reference = buffers::const_buffer; | ||
| 40 | using const_reference = buffers::const_buffer; | ||
| 41 | using size_type = std::size_t; | ||
| 42 | using difference_type = std::ptrdiff_t; | ||
| 43 | |||
| 44 | const_buffers_type() = default; | ||
| 45 | const_buffers_type( | ||
| 46 | const_buffers_type const&) = default; | ||
| 47 | const_buffers_type& operator=( | ||
| 48 | const_buffers_type const&) = default; | ||
| 49 | |||
| 50 | iterator | ||
| 51 | 59 | begin() const noexcept | |
| 52 | { | ||
| 53 | 59 | return p_; | |
| 54 | } | ||
| 55 | |||
| 56 | iterator | ||
| 57 | 59 | end() const noexcept | |
| 58 | { | ||
| 59 | 59 | return p_ + n_; | |
| 60 | } | ||
| 61 | }; | ||
| 62 | |||
| 63 | //------------------------------------------------ | ||
| 64 | |||
| 65 | template< | ||
| 66 | class ConstBufferSequence, | ||
| 67 | class> | ||
| 68 | void | ||
| 69 | 14 | serializer:: | |
| 70 | start( | ||
| 71 | message_view_base const& m, | ||
| 72 | ConstBufferSequence&& body) | ||
| 73 | { | ||
| 74 | 14 | start_init(m); | |
| 75 | 14 | auto const& bs = | |
| 76 | ws_.push(std::forward< | ||
| 77 | ConstBufferSequence>(body)); | ||
| 78 | 14 | std::size_t n = std::distance( | |
| 79 | buffers::begin(bs), | ||
| 80 | buffers::end(bs)); | ||
| 81 | 14 | buf_ = make_array(n); | |
| 82 | 14 | auto p = buf_.data(); | |
| 83 |
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28 | for(buffers::const_buffer b : |
| 84 | 14 | buffers::range(bs)) | |
| 85 | 14 | *p++ = b; | |
| 86 | 14 | start_buffers(m); | |
| 87 | 14 | } | |
| 88 | |||
| 89 | template< | ||
| 90 | class Source, | ||
| 91 | class> | ||
| 92 | auto | ||
| 93 | 16 | serializer:: | |
| 94 | start( | ||
| 95 | message_view_base const& m, | ||
| 96 | Source&& src0) -> | ||
| 97 | typename std::decay< | ||
| 98 | Source>::type& | ||
| 99 | { | ||
| 100 | 16 | start_init(m); | |
| 101 | 16 | auto& src = ws_.push( | |
| 102 | std::forward< | ||
| 103 | Source>(src0)); | ||
| 104 | 16 | start_source( | |
| 105 | 16 | m, std::addressof(src)); | |
| 106 | 16 | return src; | |
| 107 | } | ||
| 108 | |||
| 109 | //------------------------------------------------ | ||
| 110 | |||
| 111 | inline | ||
| 112 | auto | ||
| 113 | 26 | serializer:: | |
| 114 | make_array(std::size_t n) -> | ||
| 115 | detail::array_of_const_buffers | ||
| 116 | { | ||
| 117 | return { | ||
| 118 | ws_.push_array(n, | ||
| 119 | 52 | buffers::const_buffer{}), | |
| 120 |
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26 | n }; |
| 121 | } | ||
| 122 | |||
| 123 | //------------------------------------------------ | ||
| 124 | |||
| 125 | template<class T> | ||
| 126 | auto | ||
| 127 | 17 | serializer:: | |
| 128 | source:: | ||
| 129 | read_impl( | ||
| 130 | T const& bs) -> | ||
| 131 | results | ||
| 132 | { | ||
| 133 | 17 | results rv; | |
| 134 | 17 | constexpr int SmallArraySize = 16; | |
| 135 | 17 | buffers::mutable_buffer tmp[SmallArraySize]; | |
| 136 | 17 | auto const tmp_end = | |
| 137 | tmp + SmallArraySize; | ||
| 138 | 17 | auto it = buffers::begin(bs); | |
| 139 | 17 | auto const end_ = buffers::end(bs); | |
| 140 |
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28 | while(it != end_) |
| 141 | { | ||
| 142 | 17 | auto p = tmp; | |
| 143 | 17 | do | |
| 144 | { | ||
| 145 | 34 | *p++ = *it++; | |
| 146 | } | ||
| 147 | while( | ||
| 148 |
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34 | p != tmp_end && |
| 149 | it != end_); | ||
| 150 |
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17 | rv += on_read( |
| 151 | buffers::mutable_buffer_span( | ||
| 152 | 17 | tmp, p - tmp)); | |
| 153 |
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17 | if(rv.ec.failed()) |
| 154 | ✗ | return rv; | |
| 155 |
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17 | if(rv.finished) |
| 156 | 6 | break; | |
| 157 | } | ||
| 158 | 17 | return rv; | |
| 159 | } | ||
| 160 | |||
| 161 | } // http_proto | ||
| 162 | } // boost | ||
| 163 | |||
| 164 | #endif | ||
| 165 |