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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_DETAIL_IMPL_SCHEME_RULE_HPP
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#ifndef BOOST_URL_RFC_DETAIL_IMPL_SCHEME_RULE_HPP
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#define BOOST_URL_RFC_DETAIL_IMPL_SCHEME_RULE_HPP
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#define BOOST_URL_RFC_DETAIL_IMPL_SCHEME_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/grammar/alpha_chars.hpp>
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#include <boost/url/grammar/alpha_chars.hpp>
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#include <boost/url/grammar/charset.hpp>
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#include <boost/url/grammar/charset.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/lut_chars.hpp>
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#include <boost/url/grammar/lut_chars.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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namespace detail {
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namespace detail {
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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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scheme_rule::
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scheme_rule::
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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* end) const noexcept ->
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    char const* end) 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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    auto const start = it;
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    auto const start = it;
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    if(it == end)
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    if(it == end)
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    {
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    {
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        // end
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        // end
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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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    if(! grammar::alpha_chars(*it))
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    if(! grammar::alpha_chars(*it))
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    {
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    {
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        // expected alpha
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        // expected alpha
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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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    constexpr
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    constexpr
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    grammar::lut_chars scheme_chars(
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    grammar::lut_chars scheme_chars(
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        "0123456789" "+-."
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        "0123456789" "+-."
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        "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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        "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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        "abcdefghijklmnopqrstuvwxyz");
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        "abcdefghijklmnopqrstuvwxyz");
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    it = grammar::find_if_not(
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    it = grammar::find_if_not(
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        it + 1, end, scheme_chars);
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        it + 1, end, scheme_chars);
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    value_type t;
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    value_type t;
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    t.scheme = core::string_view(
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    t.scheme = core::string_view(
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        start, it - start);
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        start, it - start);
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    t.scheme_id = string_to_scheme(
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    t.scheme_id = string_to_scheme(
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        t.scheme);
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        t.scheme);
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    return t;
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    return t;
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}
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}
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} // detail
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} // detail
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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