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//
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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) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com)
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// Copyright (c) 2023 Alan de Freitas (alandefreitas@gmail.com)
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// Copyright (c) 2023 Alan de Freitas (alandefreitas@gmail.com)
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//
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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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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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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//
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// Official repository: https://github.com/boostorg/url
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// Official repository: https://github.com/boostorg/url
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//
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//
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#ifndef BOOST_URL_RFC_IMPL_URI_REFERENCE_RULE_HPP
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#ifndef BOOST_URL_RFC_IMPL_URI_REFERENCE_RULE_HPP
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#define BOOST_URL_RFC_IMPL_URI_REFERENCE_RULE_HPP
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#define BOOST_URL_RFC_IMPL_URI_REFERENCE_RULE_HPP
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#include <boost/url/detail/config.hpp>
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#include <boost/url/detail/config.hpp>
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#include <boost/url/url_view.hpp>
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#include <boost/url/url_view.hpp>
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#include <boost/url/rfc/uri_rule.hpp>
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#include <boost/url/rfc/uri_rule.hpp>
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#include <boost/url/rfc/relative_ref_rule.hpp>
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#include <boost/url/rfc/relative_ref_rule.hpp>
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#include <boost/url/grammar/error.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/grammar/parse.hpp>
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namespace boost {
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namespace boost {
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namespace urls {
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namespace urls {
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BOOST_URL_CXX20_CONSTEXPR_OR_INLINE
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BOOST_URL_CXX20_CONSTEXPR_OR_INLINE
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auto
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auto
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implementation_defined::uri_reference_rule_t::
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implementation_defined::uri_reference_rule_t::
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parse(
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parse(
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    char const*& it,
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    char const*& it,
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    char const* const end
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    char const* const end
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        ) const noexcept ->
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        ) const noexcept ->
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    system::result<value_type>
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    system::result<value_type>
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{
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{
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    // Try URI first, then relative-ref.
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    // Try URI first, then relative-ref.
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    // Use separate variables for each parse attempt
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    // Use separate variables for each parse attempt
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    // to avoid variant2 cross-alternative reassignment,
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    // to avoid variant2 cross-alternative reassignment,
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    // which uses placement new (not constexpr before C++26).
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    // which uses placement new (not constexpr before C++26).
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    auto const it0 = it;
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    auto const it0 = it;
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    auto rv1 = grammar::parse(
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    auto rv1 = grammar::parse(
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        it, end, uri_rule);
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        it, end, uri_rule);
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    if(rv1)
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    if(rv1)
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        return *rv1;
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        return *rv1;
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    it = it0;
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    it = it0;
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    auto rv2 = grammar::parse(
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    auto rv2 = grammar::parse(
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        it, end, relative_ref_rule);
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        it, end, relative_ref_rule);
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    if(rv2)
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    if(rv2)
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        return *rv2;
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        return *rv2;
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    BOOST_URL_CONSTEXPR_RETURN_EC(
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    BOOST_URL_CONSTEXPR_RETURN_EC(
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        grammar::error::mismatch);
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        grammar::error::mismatch);
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}
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}
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} // urls
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} // urls
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} // boost
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} // boost
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#endif
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#endif