robot/include/boost/url/rfc/pchars.hpp

//
// 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_PCHARS_HPP
#define BOOST_URL_RFC_PCHARS_HPP

#include <boost/url/detail/config.hpp>
#include <boost/url/rfc/sub_delim_chars.hpp>
#include <boost/url/rfc/unreserved_chars.hpp>

namespace boost {
namespace urls {

/** The path character set

    @par Example
    Character sets are used with rules and
    the functions @ref grammar::find_if and
    @ref grammar::find_if_not.
    @code
    system::result< decode_view > rv = grammar::parse( "Program%20Files", pchars );
    @endcode

    @par BNF
    @code
    pchar         = unreserved / pct-encoded / sub-delims / ":" / "@"
    @endcode

    @par Specification
    @li <a href="https://datatracker.ietf.org/doc/html/rfc3986#section-3.3"
        >3.3. Path (rfc3986)</a>

    @see
        @ref grammar::find_if,
        @ref grammar::find_if_not,
        @ref grammar::parse,
        @ref pct_encoded_rule.
*/
constexpr auto pchars =
    unreserved_chars + sub_delim_chars + ':' + '@';

} // urls
} // boost

#endif