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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) 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_PORT_RULE_HPP
 
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#define BOOST_URL_RFC_DETAIL_IMPL_PORT_RULE_HPP
 
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#include <boost/url/detail/config.hpp>
 
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#include <boost/url/grammar/digit_chars.hpp>
 
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#include <boost/url/grammar/parse.hpp>
 
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#include <boost/url/grammar/unsigned_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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port_rule::
 
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parse(
 
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    char const*& it,
 
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    char const* end) 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 const start = it;
 
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    while(
 
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        it != end &&
 
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        *it == '0')
 
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    {
 
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        ++it;
 
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    }
 
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    if (it != end)
 
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    {
 
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        grammar::unsigned_rule<std::uint16_t> r;
 
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        auto it0 = it;
 
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        auto rv = r.parse(it, end);
 
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        if (rv)
 
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        {
 
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            t.str = core::string_view(start, it);
 
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            t.has_number = true;
 
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            t.number = *rv;
 
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            return t;
 
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        }
 
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        it = it0;
 
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        if (grammar::digit_chars(*it))
 
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        {
 
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            while (
 
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                it != end &&
 
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                grammar::digit_chars(*it))
 
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            {
 
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                ++it;
 
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            }
 
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            t.str = core::string_view(start, it);
 
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            t.has_number = true;
 
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            t.number = 0;
 
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            return t;
 
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        }
 
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    }
 
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    t.str = core::string_view(start, it);
 
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    t.has_number = it != end;
 
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    t.number = 0;
 
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    return t;
 
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}
 
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inline BOOST_URL_CXX20_CONSTEXPR
 
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auto
 
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port_part_rule_t::
 
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parse(
 
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    char const*& it,
 
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    char const* end) 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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    if( it == end ||
 
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        *it != ':')
 
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    {
 
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        t.has_port = false;
 
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        return t;
 
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    }
 
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    ++it;
 
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    auto rv = grammar::parse(
 
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        it, end, port_rule{});
 
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    if(! rv)
 
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        return rv.error();
 
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    t.has_port = true;
 
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    t.port = rv->str;
 
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    t.has_number = rv->has_number;
 
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    t.port_number = rv->number;
 
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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