Added thirdparty: boost library

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

@@ -0,0 +1,52 @@
+//
+// 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_SUB_DELIM_CHARS_HPP
+#define BOOST_URL_RFC_SUB_DELIM_CHARS_HPP
+
+#include <boost/url/detail/config.hpp>
+#include <boost/url/grammar/lut_chars.hpp>
+
+namespace boost {
+namespace urls {
+
+/** The sub-delims 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 > = grammar::parse( "Program%20Files", pct_encoded_rule( sub_delim_chars ) );
+    @endcode
+
+    @par BNF
+    @code
+    sub-delims    = "!" / "$" / "&" / "'" / "(" / ")"
+                  / "*" / "+" / "," / ";" / "="
+    @endcode
+
+    @par Specification
+    @li <a href="https://datatracker.ietf.org/doc/html/rfc3986#section-2.2"
+        >2.2. Reserved Characters (rfc3986)</a>
+
+    @see
+        @ref grammar::find_if,
+        @ref grammar::find_if_not,
+        @ref grammar::parse,
+        @ref pct_encoded_rule.
+*/
+constexpr
+grammar::lut_chars
+sub_delim_chars = "!$&()*+,;=\x27";
+
+} // urls
+} // boost
+
+#endif