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File: reg_name_rule.hpp
// // 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_REG_NAME_RULE_HPP #define BOOST_URL_RFC_DETAIL_REG_NAME_RULE_HPP #include <boost/url/detail/config.hpp> #include <boost/url/rfc/pct_encoded_rule.hpp> #include <boost/url/rfc/unreserved_chars.hpp> namespace boost { namespace urls { namespace detail { /* VFALCO In theory we could enforce these additional requirements from errata 4942: Such a name consists of a sequence of domain labels separated by ".", each domain label starting and ending with an alphanumeric character and possibly also containing "-" characters. The rightmost domain label of a fully qualified domain name in DNS may be followed by a single "." and should be if it is necessary to distinguish between the complete domain name and some local domain. */ /** Rule for reg-name @par BNF @code reg-name = *( unreserved / pct-encoded / "-" / ".") @endcode @par Specification @li <a href="https://datatracker.ietf.org/doc/html/rfc3986#section-3.2.2" >3.2.2. Host (rfc3986)</a> @li <a href="https://www.rfc-editor.org/errata/eid4942" >Errata ID: 4942</a> */ constexpr auto reg_name_rule = pct_encoded_rule(unreserved_chars + sub_delim_chars); } // detail } // urls } // boost #endif