ext-boost/boost/url/rfc/detail/fragment_part_rule.hpp
2023-11-04 21:30:42 +02:00

70 lines
1.5 KiB
C++

//
// Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// Official repository: https://github.com/boostorg/url
//
#ifndef BOOST_URL_RFC_DETAIL_FRAGMENT_PART_RULE_HPP
#define BOOST_URL_RFC_DETAIL_FRAGMENT_PART_RULE_HPP
#include <boost/url/rfc/pct_encoded_rule.hpp>
#include <boost/url/rfc/detail/charsets.hpp>
#include <boost/url/grammar/parse.hpp>
namespace boost {
namespace urls {
namespace detail {
/** Rule for fragment-part
@par BNF
@code
fragment-part = [ "#" fragment ]
fragment = *( pchar / "/" / "?" )
@endcode
@par Specification
@li <a href="https://datatracker.ietf.org/doc/html/rfc3986#section-3.5"
>3.5. Fragment (rfc3986)</a>
*/
struct fragment_part_rule_t
{
struct value_type
{
pct_string_view fragment;
bool has_fragment = false;
};
system::result<value_type>
parse(
char const*& it,
char const* end
) const noexcept
{
if( it == end ||
*it != '#')
return {};
++it;
auto rv = grammar::parse(
it, end, pct_encoded_rule(
fragment_chars));
if(! rv)
return rv.error();
value_type t;
t.fragment = *rv;
t.has_fragment = true;
return t;
}
};
constexpr fragment_part_rule_t fragment_part_rule{};
} // detail
} // urls
} // boost
#endif