87 lines
2.3 KiB
C++
87 lines
2.3 KiB
C++
//
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// Copyright (c) 2022 Vinnie Falco (vinnie.falco@gmail.com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// Official repository: https://github.com/boostorg/url
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//
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#ifndef BOOST_URL_RFC_IPV6_ADDRESS_RULE_HPP
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#define BOOST_URL_RFC_IPV6_ADDRESS_RULE_HPP
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#include <boost/url/detail/config.hpp>
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#include <boost/url/ipv6_address.hpp>
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#include <boost/url/error_types.hpp>
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namespace boost {
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namespace urls {
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/** Rule for An IP version 6 style address
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@par Value Type
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@code
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using value_type = ipv6_address;
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@endcode
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@par Example
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Rules are used with the function @ref grammar::parse.
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@code
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result< ipv6_address > rv = grammar::parse( "2001:0db8:85a3:0000:0000:8a2e:0370:7334", ipv6_address_rule );
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@endcode
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@par BNF
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@code
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IPv6address = 6( h16 ":" ) ls32
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/ "::" 5( h16 ":" ) ls32
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/ [ h16 ] "::" 4( h16 ":" ) ls32
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/ [ *1( h16 ":" ) h16 ] "::" 3( h16 ":" ) ls32
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/ [ *2( h16 ":" ) h16 ] "::" 2( h16 ":" ) ls32
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/ [ *3( h16 ":" ) h16 ] "::" h16 ":" ls32
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/ [ *4( h16 ":" ) h16 ] "::" ls32
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/ [ *5( h16 ":" ) h16 ] "::" h16
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/ [ *6( h16 ":" ) h16 ] "::"
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ls32 = ( h16 ":" h16 ) / IPv4address
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; least-significant 32 bits of address
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h16 = 1*4HEXDIG
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; 16 bits of address represented in hexadecimal
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@endcode
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@par Specification
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@li <a href="https://datatracker.ietf.org/doc/html/rfc4291"
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>IP Version 6 Addressing Architecture (rfc4291)</a>
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@li <a href="https://datatracker.ietf.org/doc/html/rfc3986#section-3.2.2"
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>3.2.2. Host (rfc3986)</a>
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@see
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@ref ipv6_address,
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@ref parse_ipv6_address,
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@ref grammar::parse.
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*/
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#ifdef BOOST_URL_DOCS
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constexpr __implementation_defined__ ipv6_address_rule;
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#else
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struct ipv6_address_rule_t
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{
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using value_type =
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ipv6_address;
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BOOST_URL_DECL
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auto
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parse(
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char const*& it,
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char const* end
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) const noexcept ->
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result<ipv6_address>;
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};
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constexpr ipv6_address_rule_t ipv6_address_rule{};
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#endif
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} // urls
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} // boost
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#endif
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