Added thirdparty: boost library

thirdparty/include/boost/url/rfc/detail/relative_part_rule.hpp

@@ -0,0 +1,67 @@
+//
+// 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_RELATIVE_PART_RULE_HPP
+#define BOOST_URL_RFC_DETAIL_RELATIVE_PART_RULE_HPP
+
+#include <boost/url/detail/config.hpp>
+#include <boost/url/error_types.hpp>
+#include <boost/url/pct_string_view.hpp>
+#include <boost/url/rfc/authority_rule.hpp>
+#include <cstdlib>
+
+namespace boost {
+namespace urls {
+namespace detail {
+
+/** Rule for relative-part
+
+    @par BNF
+    @code
+    relative-part = "//" authority path-abempty
+                  / path-absolute
+                  / path-noscheme
+                  / path-abempty
+                  / path-empty
+    @endcode
+
+    @par Specification
+    @li <a href="https://datatracker.ietf.org/doc/html/rfc3986#section-4.2"
+        >4.2. Relative Reference (rfc3986)</a>
+    @li <a href="https://www.rfc-editor.org/errata/eid5428"
+        >Errata ID: 5428 (rfc3986)</a>
+
+    @see
+        @ref authority_rule.
+*/
+struct relative_part_rule_t
+{
+    struct value_type
+    {
+        authority_view authority;
+        pct_string_view path;
+        std::size_t segment_count = 0;
+        bool has_authority = false;
+    };
+
+    auto
+    parse(
+        char const*& it,
+        char const* end
+            ) const noexcept ->
+        system::result<value_type>;
+};
+
+constexpr relative_part_rule_t relative_part_rule{};
+
+} // detail
+} // urls
+} // boost
+
+#endif