| 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_MUTABLE_BUFFER_PAIR_HPP | ||
| 11 | #define BOOST_BUFFERS_MUTABLE_BUFFER_PAIR_HPP | ||
| 12 | |||
| 13 | #include <boost/buffers/detail/config.hpp> | ||
| 14 | #include <boost/buffers/mutable_buffer.hpp> | ||
| 15 | #include <boost/assert.hpp> | ||
| 16 | |||
| 17 | namespace boost { | ||
| 18 | namespace buffers { | ||
| 19 | |||
| 20 | /** A mutable buffer pair | ||
| 21 | */ | ||
| 22 | class mutable_buffer_pair | ||
| 23 | { | ||
| 24 | public: | ||
| 25 | using value_type = mutable_buffer; | ||
| 26 | |||
| 27 | using const_iterator = value_type const*; | ||
| 28 | |||
| 29 | /** Constructor. | ||
| 30 | */ | ||
| 31 | mutable_buffer_pair() = default; | ||
| 32 | |||
| 33 | /** Constructor. | ||
| 34 | */ | ||
| 35 | mutable_buffer_pair( | ||
| 36 | mutable_buffer_pair const&) = default; | ||
| 37 | |||
| 38 | /** Constructor. | ||
| 39 | */ | ||
| 40 | 27180 | mutable_buffer_pair( | |
| 41 | mutable_buffer const& b0, | ||
| 42 | mutable_buffer const& b1) noexcept | ||
| 43 | 27180 | : b_{ b0, b1 } | |
| 44 | { | ||
| 45 | 27180 | } | |
| 46 | |||
| 47 | /** Assignment. | ||
| 48 | */ | ||
| 49 | mutable_buffer_pair& operator=( | ||
| 50 | mutable_buffer_pair const&) = default; | ||
| 51 | |||
| 52 | mutable_buffer const& | ||
| 53 | 64 | operator[](unsigned i) const noexcept | |
| 54 | { | ||
| 55 |
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64 | BOOST_ASSERT(i < 2); |
| 56 | 64 | return b_[i]; | |
| 57 | } | ||
| 58 | |||
| 59 | mutable_buffer& | ||
| 60 | 64 | operator[](unsigned i) noexcept | |
| 61 | { | ||
| 62 |
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64 | BOOST_ASSERT(i < 2); |
| 63 | 64 | return b_[i]; | |
| 64 | } | ||
| 65 | |||
| 66 | const_iterator | ||
| 67 | 25786 | begin() const noexcept | |
| 68 | { | ||
| 69 | 25786 | return b_; | |
| 70 | } | ||
| 71 | |||
| 72 | const_iterator | ||
| 73 | 25721 | end() const noexcept | |
| 74 | { | ||
| 75 | 25721 | return b_ + 2; | |
| 76 | } | ||
| 77 | |||
| 78 | friend | ||
| 79 | mutable_buffer_pair | ||
| 80 | 544 | tag_invoke( | |
| 81 | prefix_tag const&, | ||
| 82 | mutable_buffer_pair const& b, | ||
| 83 | std::size_t n) noexcept | ||
| 84 | { | ||
| 85 | 544 | return b.prefix_impl(n); | |
| 86 | } | ||
| 87 | |||
| 88 | friend | ||
| 89 | mutable_buffer_pair | ||
| 90 | 544 | tag_invoke( | |
| 91 | suffix_tag const&, | ||
| 92 | mutable_buffer_pair const& b, | ||
| 93 | std::size_t n) noexcept | ||
| 94 | { | ||
| 95 | 544 | return b.suffix_impl(n); | |
| 96 | } | ||
| 97 | |||
| 98 | private: | ||
| 99 | BOOST_BUFFERS_DECL | ||
| 100 | mutable_buffer_pair | ||
| 101 | prefix_impl( | ||
| 102 | std::size_t n) const noexcept; | ||
| 103 | |||
| 104 | BOOST_BUFFERS_DECL | ||
| 105 | mutable_buffer_pair | ||
| 106 | suffix_impl( | ||
| 107 | std::size_t n) const noexcept; | ||
| 108 | |||
| 109 | mutable_buffer b_[2]; | ||
| 110 | }; | ||
| 111 | |||
| 112 | } // buffers | ||
| 113 | } // boost | ||
| 114 | |||
| 115 | #endif | ||
| 116 |