[utils] added getBit setBit utility functions

server/src/utils/bit.hpp

@@ -0,0 +1,48 @@
+/**
+ * This file is part of Traintastic,
+ * see <https://github.com/traintastic/traintastic>.
+ *
+ * Copyright (C) 2025 Reinder Feenstra
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#ifndef TRAINTASTIC_SERVER_UTILS_BIT_HPP
+#define TRAINTASTIC_SERVER_UTILS_BIT_HPP
+
+#include <type_traits>
+
+template<unsigned int N, typename T>
+requires(std::is_integral_v<T> && N < sizeof(T) * 8)
+constexpr bool getBit(T value)
+{
+  return (value & (static_cast<T>(1) << N)) != 0;
+}
+
+template<unsigned int N, typename T>
+requires(std::is_integral_v<T> && N < sizeof(T) * 8)
+constexpr void setBit(T& value, bool set)
+{
+  if(set)
+  {
+    value |= (1 << N);
+  }
+  else
+  {
+    value &= ~(static_cast<T>(1) << N);
+  }
+}
+
+#endif