| 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_DETAIL_NUMBER_STRING_HPP | ||
| 11 | #define BOOST_HTTP_PROTO_DETAIL_NUMBER_STRING_HPP | ||
| 12 | |||
| 13 | #include <boost/http_proto/detail/config.hpp> | ||
| 14 | #include <cstdint> | ||
| 15 | |||
| 16 | namespace boost { | ||
| 17 | namespace http_proto { | ||
| 18 | namespace detail { | ||
| 19 | |||
| 20 | // Convert integer to decimal | ||
| 21 | // string using in-place storage | ||
| 22 | class number_string | ||
| 23 | { | ||
| 24 | static constexpr unsigned buf_size = 18; | ||
| 25 | char buf_[buf_size + 1]; | ||
| 26 | std::size_t size_ = 0; | ||
| 27 | |||
| 28 | void | ||
| 29 | ✗ | construct_unsigned( | |
| 30 | std::uint64_t n) noexcept | ||
| 31 | { | ||
| 32 | ✗ | buf_[buf_size] = '\0'; | |
| 33 | ✗ | auto const end = | |
| 34 | &buf_[buf_size]; | ||
| 35 | ✗ | auto p = end; | |
| 36 | ✗ | if(n == 0) | |
| 37 | { | ||
| 38 | ✗ | *--p = '0'; | |
| 39 | } | ||
| 40 | else | ||
| 41 | { | ||
| 42 | ✗ | while(n > 0) | |
| 43 | { | ||
| 44 | ✗ | *--p = '0' + (n%10); | |
| 45 | ✗ | n /= 10; | |
| 46 | } | ||
| 47 | } | ||
| 48 | ✗ | size_ = end - p; | |
| 49 | } | ||
| 50 | |||
| 51 | public: | ||
| 52 | number_string() = default; | ||
| 53 | number_string( | ||
| 54 | number_string const&) = default; | ||
| 55 | number_string& operator= | ||
| 56 | (number_string const&) = default; | ||
| 57 | |||
| 58 | explicit | ||
| 59 | ✗ | number_string( | |
| 60 | std::uint64_t n) noexcept | ||
| 61 | { | ||
| 62 | ✗ | construct_unsigned(n); | |
| 63 | } | ||
| 64 | |||
| 65 | char const* | ||
| 66 | ✗ | data() const noexcept | |
| 67 | { | ||
| 68 | ✗ | return &buf_[ | |
| 69 | ✗ | buf_size] - size_; | |
| 70 | } | ||
| 71 | |||
| 72 | std::size_t | ||
| 73 | ✗ | size() const noexcept | |
| 74 | { | ||
| 75 | ✗ | return size_; | |
| 76 | } | ||
| 77 | |||
| 78 | string_view | ||
| 79 | ✗ | str() const noexcept | |
| 80 | { | ||
| 81 | ✗ | return string_view( | |
| 82 | ✗ | data(), size()); | |
| 83 | } | ||
| 84 | |||
| 85 | ✗ | operator | |
| 86 | string_view() const noexcept | ||
| 87 | { | ||
| 88 | ✗ | return str(); | |
| 89 | } | ||
| 90 | }; | ||
| 91 | |||
| 92 | } // detail | ||
| 93 | } // http_proto | ||
| 94 | } // boost | ||
| 95 | |||
| 96 | #endif | ||
| 97 |