ext-boost/boost/url/rfc/detail/h16_rule.hpp
2023-11-04 21:30:42 +02:00

59 lines
1.2 KiB
C++

//
// Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// Official repository: https://github.com/boostorg/url
//
#ifndef BOOST_URL_RFC_DETAIL_H16_RULE_HPP
#define BOOST_URL_RFC_DETAIL_H16_RULE_HPP
#include <boost/url/detail/config.hpp>
#include <boost/url/error_types.hpp>
#include <cstdint>
namespace boost {
namespace urls {
namespace detail {
/** Rule for h16
This parses a sixteen bit unsigned
hexadecimal number.
@par BNF
@code
h16 = 1*4HEXDIG
; 16 bits of address represented in hexadecimal
@endcode
@par Specification
@li <a href="https://datatracker.ietf.org/doc/html/rfc3986#section-3.2.2"
>3.2.2. Host (rfc3986)</a>
*/
struct h16_rule_t
{
struct value_type
{
std::uint8_t hi;
std::uint8_t lo;
};
auto
parse(
char const*& it,
char const* end
) const noexcept ->
system::result<value_type>;
};
constexpr h16_rule_t h16_rule{};
} // detail
} // urls
} // boost
#endif