Added thirdparty: boost library

thirdparty/include/boost/url/grammar/unsigned_rule.hpp

@@ -0,0 +1,82 @@
+//
+// Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com)
+// Copyright (c) 2022 Alan de Freitas (alandefreitas 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_GRAMMAR_UNSIGNED_RULE_HPP
+#define BOOST_URL_GRAMMAR_UNSIGNED_RULE_HPP
+
+#include <boost/url/detail/config.hpp>
+#include <boost/url/error_types.hpp>
+#include <boost/url/grammar/charset.hpp>
+#include <boost/core/detail/string_view.hpp>
+#include <boost/static_assert.hpp>
+#include <limits>
+#include <type_traits>
+
+namespace boost {
+namespace urls {
+namespace grammar {
+
+/** Match an unsigned decimal
+
+    Extra leading zeroes are disallowed.
+
+    @par Value Type
+    @code
+    using value_type = Unsigned;
+    @endcode
+
+    @par Example
+    Rules are used with the function @ref parse.
+    @code
+    system::result< unsigned short > rv = parse( "32767", unsigned_rule< unsigned short >{} );
+    @endcode
+
+    @par BNF
+    @code
+    unsigned      = "0" / ( ["1"..."9"] *DIGIT )
+    @endcode
+
+    @tparam Unsigned The unsigned integer type used
+    to store the result.
+
+    @see
+        @ref grammar::parse.
+*/
+#ifdef BOOST_URL_DOCS
+template<class Unsigned>
+struct unsigned_rule;
+#else
+template<class Unsigned>
+struct unsigned_rule
+{
+    BOOST_STATIC_ASSERT(
+        std::numeric_limits<
+            Unsigned>::is_integer &&
+        ! std::numeric_limits<
+            Unsigned>::is_signed);
+
+    using value_type = Unsigned;
+
+    auto
+    parse(
+        char const*& it,
+        char const* end
+            ) const noexcept ->
+        system::result<value_type>;
+};
+#endif
+
+} // grammar
+} // urls
+} // boost
+
+#include <boost/url/grammar/impl/unsigned_rule.hpp>
+
+#endif