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//
 
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// Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com)
 
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// Copyright (c) 2022 Alan de Freitas (alandefreitas@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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#include <boost/url/detail/config.hpp>
 
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#include <boost/url/rfc/ipv6_address_rule.hpp>
 
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#include "ip_literal_rule.hpp"
 
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#include "ipv6_addrz_rule.hpp"
 
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#include <boost/url/grammar/delim_rule.hpp>
 
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#include <boost/url/grammar/parse.hpp>
 
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#include <boost/url/grammar/tuple_rule.hpp>
 
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#include "ipvfuture_rule.hpp"
 
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namespace boost {
 
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namespace urls {
 
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namespace detail {
 
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auto
 
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ip_literal_rule_t::
 
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parse(
 
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    char const*& it,
 
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    char const* const end
 
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        ) const noexcept ->
 
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    system::result<value_type>
 
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{
 
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    value_type t;
 
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    // '['
 
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    {
 
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        auto rv = grammar::parse(
 
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            it, end, grammar::delim_rule('['));
 
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        if(! rv)
 
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            return rv.error();
 
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    }
 
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    if(it == end)
 
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    {
 
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        // end
 
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        BOOST_URL_RETURN_EC(
 
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            grammar::error::invalid);
 
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    }
 
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    if(*it != 'v')
 
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    {
 
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        // IPv6address
 
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        auto it0 = it;
 
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        auto rv = grammar::parse(
 
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            it, end,
 
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            grammar::tuple_rule(
 
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                ipv6_address_rule,
 
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                grammar::squelch(
 
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                    grammar::delim_rule(']'))));
 
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        if(! rv)
 
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        {
 
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            // IPv6addrz: https://datatracker.ietf.org/doc/html/rfc6874
 
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            it = it0;
 
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            auto rv2 = grammar::parse(
 
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                it, end,
 
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                grammar::tuple_rule(
 
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                    ipv6_addrz_rule,
 
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                    grammar::squelch(
 
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                        grammar::delim_rule(']'))));
 
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            if(! rv2)
 
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                return rv2.error();
 
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            t.ipv6 = rv2->ipv6;
 
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            t.is_ipv6 = true;
 
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            return t;
 
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        }
 
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        t.ipv6 = *rv;
 
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        t.is_ipv6 = true;
 
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        return t;
 
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    }
 
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    {
 
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        // IPvFuture
 
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        auto rv = grammar::parse(
 
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            it, end,
 
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            grammar::tuple_rule(
 
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                ipvfuture_rule,
 
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                grammar::squelch(
 
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                    grammar::delim_rule(']'))));
 
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        if(! rv)
 
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            return rv.error();
 
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        t.is_ipv6 = false;
 
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        t.ipvfuture = rv->str;
 
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        return t;
 
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    }
 
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}
 
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} // detail
 
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} // urls
 
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} // boost
 
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