Added thirdparty: boost library

thirdparty/include/boost/url/detail/parts_base.hpp

@@ -0,0 +1,53 @@
+//
+// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.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_DETAIL_PARTS_BASE_HPP
+#define BOOST_URL_DETAIL_PARTS_BASE_HPP
+
+#include <boost/url/error.hpp>
+
+namespace boost {
+namespace urls {
+namespace detail {
+
+// mix-in to provide part
+// constants and variables
+struct parts_base
+{
+    enum
+    {
+        id_scheme = -1, // trailing ':'
+        id_user,        // leading "//"
+        id_pass,        // leading ':', trailing '@'
+        id_host,
+        id_port,        // leading ':'
+        id_path,
+        id_query,       // leading '?'
+        id_frag,        // leading '#'
+        id_end          // one past the end
+    };
+
+    enum class from : char {
+        // this belongs to a string
+        string = 0,
+        // this belongs to url_base
+        // segments/params containers point to
+        // another url
+        url = 1,
+        // this belongs to authority_view
+        // id_user does not have the leading "//"
+        authority = 2,
+    };
+};
+
+} // detail
+} // urls
+} // boost
+
+#endif