| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2023 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/buffers | ||
| 8 | // | ||
| 9 | |||
| 10 | #ifndef BOOST_BUFFERS_CONST_BUFFER_PAIR_HPP | ||
| 11 | #define BOOST_BUFFERS_CONST_BUFFER_PAIR_HPP | ||
| 12 | |||
| 13 | #include <boost/buffers/detail/config.hpp> | ||
| 14 | #include <boost/buffers/const_buffer.hpp> | ||
| 15 | #include <boost/buffers/mutable_buffer_pair.hpp> | ||
| 16 | #include <boost/assert.hpp> | ||
| 17 | |||
| 18 | namespace boost { | ||
| 19 | namespace buffers { | ||
| 20 | |||
| 21 | /** A constant buffer pair | ||
| 22 | */ | ||
| 23 | class const_buffer_pair | ||
| 24 | { | ||
| 25 | public: | ||
| 26 | using value_type = const_buffer; | ||
| 27 | |||
| 28 | using const_iterator = value_type const*; | ||
| 29 | |||
| 30 | /** Constructor. | ||
| 31 | */ | ||
| 32 | const_buffer_pair() = default; | ||
| 33 | |||
| 34 | /** Constructor. | ||
| 35 | */ | ||
| 36 | const_buffer_pair( | ||
| 37 | const_buffer_pair const&) = default; | ||
| 38 | |||
| 39 | /** Constructor. | ||
| 40 | */ | ||
| 41 | 286606 | const_buffer_pair( | |
| 42 | const_buffer const& b0, | ||
| 43 | const_buffer const& b1) noexcept | ||
| 44 | 286606 | : b_{ b0, b1 } | |
| 45 | { | ||
| 46 | 286606 | } | |
| 47 | |||
| 48 | /** Constructor. | ||
| 49 | */ | ||
| 50 | 16 | const_buffer_pair( | |
| 51 | mutable_buffer_pair const& bs) noexcept | ||
| 52 | 16 | : b_{ bs.begin()[0], bs.begin()[1] } | |
| 53 | { | ||
| 54 | 16 | } | |
| 55 | |||
| 56 | /** Assignment. | ||
| 57 | */ | ||
| 58 | const_buffer_pair& operator=( | ||
| 59 | const_buffer_pair const&) = default; | ||
| 60 | |||
| 61 | /** Assignment. | ||
| 62 | */ | ||
| 63 | 16 | const_buffer_pair& operator=( | |
| 64 | mutable_buffer_pair const& other) noexcept | ||
| 65 | { | ||
| 66 | 16 | b_[0] = other.begin()[0]; | |
| 67 | 16 | b_[1] = other.begin()[1]; | |
| 68 | 16 | return *this; | |
| 69 | } | ||
| 70 | |||
| 71 | const_buffer const& | ||
| 72 | 64 | operator[](unsigned i) const noexcept | |
| 73 | { | ||
| 74 |
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64 | BOOST_ASSERT(i < 2); |
| 75 | 64 | return b_[i]; | |
| 76 | } | ||
| 77 | |||
| 78 | const_buffer& | ||
| 79 | 64 | operator[](unsigned i) noexcept | |
| 80 | { | ||
| 81 |
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64 | BOOST_ASSERT(i < 2); |
| 82 | 64 | return b_[i]; | |
| 83 | } | ||
| 84 | |||
| 85 | const_iterator | ||
| 86 | 774271 | begin() const noexcept | |
| 87 | { | ||
| 88 | 774271 | return b_; | |
| 89 | } | ||
| 90 | |||
| 91 | const_iterator | ||
| 92 | 774270 | end() const noexcept | |
| 93 | { | ||
| 94 | 774270 | return b_ + 2; | |
| 95 | } | ||
| 96 | |||
| 97 | friend | ||
| 98 | const_buffer_pair | ||
| 99 | 139808 | tag_invoke( | |
| 100 | prefix_tag const&, | ||
| 101 | const_buffer_pair const& b, | ||
| 102 | std::size_t n) noexcept | ||
| 103 | { | ||
| 104 | 139808 | return b.prefix_impl(n); | |
| 105 | } | ||
| 106 | |||
| 107 | friend | ||
| 108 | const_buffer_pair | ||
| 109 | 139808 | tag_invoke( | |
| 110 | suffix_tag const&, | ||
| 111 | const_buffer_pair const& b, | ||
| 112 | std::size_t n) noexcept | ||
| 113 | { | ||
| 114 | 139808 | return b.suffix_impl(n); | |
| 115 | } | ||
| 116 | |||
| 117 | private: | ||
| 118 | BOOST_BUFFERS_DECL | ||
| 119 | const_buffer_pair | ||
| 120 | prefix_impl( | ||
| 121 | std::size_t n) const noexcept; | ||
| 122 | |||
| 123 | BOOST_BUFFERS_DECL | ||
| 124 | const_buffer_pair | ||
| 125 | suffix_impl( | ||
| 126 | std::size_t n) const noexcept; | ||
| 127 | |||
| 128 | const_buffer b_[2]; | ||
| 129 | }; | ||
| 130 | |||
| 131 | } // buffers | ||
| 132 | } // boost | ||
| 133 | |||
| 134 | #endif | ||
| 135 |