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//
 
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// Copyright (c) 2023 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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#ifndef BOOST_URL_RFC_DETAIL_IMPL_IPV6_ADDRZ_RULE_HPP
 
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#define BOOST_URL_RFC_DETAIL_IMPL_IPV6_ADDRZ_RULE_HPP
 
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#include <boost/url/detail/config.hpp>
 
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#include <boost/url/grammar/error.hpp>
 
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#include <boost/url/grammar/parse.hpp>
 
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#include <boost/url/rfc/ipv6_address_rule.hpp>
 
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#include <boost/url/rfc/unreserved_chars.hpp>
 
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#include <boost/url/rfc/pct_encoded_rule.hpp>
 
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namespace boost {
 
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namespace urls {
 
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namespace detail {
 
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inline BOOST_URL_CXX20_CONSTEXPR
 
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auto
 
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ipv6_addrz_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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    auto rv1 = grammar::parse(
 
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        it, end, ipv6_address_rule);
 
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    if (! rv1)
 
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        return rv1.error();
 
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    t.ipv6 = *rv1;
 
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    // "%25"
 
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    auto it0 = it;
 
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    if (end - it < 3 ||
 
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        *it != '%' ||
 
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        *(it + 1) != '2' ||
 
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        *(it + 2) != '5')
 
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    {
 
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        BOOST_URL_CONSTEXPR_RETURN_EC(
 
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            grammar::error::invalid);
 
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    }
 
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    it += 3;
 
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    auto rv2 = grammar::parse(
 
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            it, end,
 
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            pct_encoded_rule(unreserved_chars));
 
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    if(!rv2 || rv2->empty())
 
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    {
 
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        it = it0;
 
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        BOOST_URL_CONSTEXPR_RETURN_EC(
 
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            grammar::error::invalid);
 
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    }
 
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    else
 
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    {
 
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        t.zone_id = *rv2;
 
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    }
 
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    return t;
 
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}
 
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} // detail
 
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} // urls
 
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} // boost
 
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#endif