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//
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//
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// Copyright (c) 2021 Vinnie Falco (vinnie.falco@gmail.com)
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// Copyright (c) 2021 Vinnie Falco (vinnie.falco@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/cppalliance/http
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// Official repository: https://github.com/cppalliance/http
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//
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//
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#include <boost/http/rfc/upgrade_rule.hpp>
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#include <boost/http/rfc/upgrade_rule.hpp>
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#include <boost/http/rfc/token_rule.hpp>
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#include <boost/http/rfc/token_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 http {
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namespace http {
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namespace implementation_defined {
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namespace implementation_defined {
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auto
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auto
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upgrade_protocol_rule_t::
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upgrade_protocol_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* 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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    value_type t;
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    value_type t;
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    // token
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    // token
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    {
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    {
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        auto rv = grammar::parse(
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        auto rv = grammar::parse(
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            it, end, token_rule);
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            it, end, token_rule);
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        if(! rv)
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        if(! rv)
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            return rv.error();
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            return rv.error();
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        t.name = *rv;
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        t.name = *rv;
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    }
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    }
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    // [ "/" token ]
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    // [ "/" token ]
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    if( it == end ||
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    if( it == end ||
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        *it != '/')
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        *it != '/')
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        return t;
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        return t;
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    ++it;
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    ++it;
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    auto rv = grammar::parse(
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    auto rv = grammar::parse(
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        it, end, token_rule);
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        it, end, token_rule);
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    if(! rv)
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    if(! rv)
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        return rv.error();
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        return rv.error();
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    t.version = *rv;
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    t.version = *rv;
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    return t;
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    return t;
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}
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}
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} // implementation_defined
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} // implementation_defined
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} // http
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} // http
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} // boost
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} // boost