Added thirdparty: boost library

thirdparty/include/boost/url/rfc/relative_ref_rule.hpp

@@ -0,0 +1,69 @@
+//
+// 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_RELATIVE_REF_RULE_HPP
+#define BOOST_URL_RFC_RELATIVE_REF_RULE_HPP
+
+#include <boost/url/detail/config.hpp>
+#include <boost/url/error_types.hpp>
+#include <boost/url/url_view.hpp>
+
+namespace boost {
+namespace urls {
+
+/** Rule for relative-ref
+
+    @par Value Type
+    @code
+    using value_type = url_view;
+    @endcode
+
+    @par Example
+    Rules are used with the function @ref grammar::parse.
+    @code
+    system::result< url_view > rv = grammar::parse( "images/dot.gif?v=hide#a", relative_ref_rule );
+    @endcode
+
+    @par BNF
+    @code
+    relative-ref  = relative-part [ "?" query ] [ "#" fragment ]
+    @endcode
+
+    @par Specification
+    @li <a href="https://datatracker.ietf.org/doc/html/rfc3986#section-4.2"
+        >4.2. Relative Reference (rfc3986)</a>
+
+    @see
+        @ref grammar::parse,
+        @ref parse_relative_ref,
+        @ref url_view.
+*/
+#ifdef BOOST_URL_DOCS
+constexpr __implementation_defined__ relative_ref_rule;
+#else
+struct relative_ref_rule_t
+{
+    using value_type = url_view;
+
+    BOOST_URL_DECL
+    auto
+    parse(
+        char const*& it,
+        char const* end
+            ) const noexcept ->
+        system::result<value_type>;
+};
+
+constexpr relative_ref_rule_t relative_ref_rule{};
+#endif
+
+} // urls
+} // boost
+
+#endif