url/rfc/pchars.hpp

0001 //
0002 // Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com)
0003 //
0004 // Distributed under the Boost Software License, Version 1.0. (See accompanying
0005 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
0006 //
0007 // Official repository: https://github.com/boostorg/url
0008 //
0009
0010 #ifndef BOOST_URL_RFC_PCHARS_HPP
0011 #define BOOST_URL_RFC_PCHARS_HPP
0012
0013 #include <boost/url/detail/config.hpp>
0014 #include <boost/url/rfc/sub_delim_chars.hpp>
0015 #include <boost/url/rfc/unreserved_chars.hpp>
0016
0017 namespace boost {
0018 namespace urls {
0019
0020 /** The path character set
0021
0022     @par Example
0023     Character sets are used with rules and
0024     the functions @ref grammar::find_if and
0025     @ref grammar::find_if_not.
0026     @code
0027     system::result< decode_view > rv = grammar::parse( "Program%20Files", pchars );
0028     @endcode
0029
0030     @par BNF
0031     @code
0032     pchar         = unreserved / pct-encoded / sub-delims / ":" / "@"
0033     @endcode
0034
0035     @par Specification
0036     @li <a href="https://datatracker.ietf.org/doc/html/rfc3986#section-3.3"
0037         >3.3. Path (rfc3986)</a>
0038
0039     @see
0040         @ref grammar::find_if,
0041         @ref grammar::find_if_not,
0042         @ref grammar::parse,
0043         @ref pct_encoded_rule.
0044 */
0045 constexpr auto pchars =
0046     unreserved_chars + sub_delim_chars + ':' + '@';
0047
0048 } // urls
0049 } // boost
0050
0051 #endif