Initial Code

include/bitmask.hpp

@@ -0,0 +1,45 @@
+/*
+Low Latency IPC Library for high-speed traffic
+Copyright (C) 2019  Michael Fabian Dirks <info@xaymar.com>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published
+by the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+#include <type_traits>
+
+template<typename Enum>
+struct enable_bitmask_operators {
+	static const bool enable = false;
+};
+
+template<typename Enum>
+typename std::enable_if<enable_bitmask_operators<Enum>::enable, Enum>::type operator|(Enum lhs, Enum rhs)
+{
+	using underlying = typename std::underlying_type<Enum>::type;
+	return static_cast<Enum>(static_cast<underlying>(lhs) | static_cast<underlying>(rhs));
+}
+
+template<typename Enum>
+typename std::enable_if<enable_bitmask_operators<Enum>::enable, Enum>::type operator&(Enum lhs, Enum rhs)
+{
+	using underlying = typename std::underlying_type<Enum>::type;
+	return static_cast<Enum>(static_cast<underlying>(lhs) & static_cast<underlying>(rhs));
+}
+
+#define ENABLE_BITMASK_OPERATORS(x) \
+	template<> \
+	struct enable_bitmask_operators<x> { \
+		static const bool enable = true; \
+	};