Ref T459 Update xswiftbus dataref classes to the latest available and use C++11.

src/xswiftbus/datarefs.pl

@@ -2,10 +2,17 @@
 #
 # Script to generate C++ traits classes for all X-Plane datarefs.
 #
-# Copyright (C) 2014 VATSIM Community / contributors
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+# Copyright (C) 2014 swift Project Community / contributors
+#
+# 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 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 General Public License for more details.
 
 use strict;
 use warnings;
@@ -118,19 +125,19 @@ ${in}//! $comment
 ${in}struct $key
 ${in}{
 ${in}${indent}//! Dataref name
-${in}${indent}static const char *name() { return "$name"; }
+${in}${indent}static constexpr const char *name() { return "$name"; }
 ${in}${indent}//! Can be written to?
-${in}${indent}static const bool writable = $writable;
+${in}${indent}static constexpr bool writable = $writable;
 EOF
 
             print <<"EOF" if $type =~ m(int|float|double);
 ${in}${indent}//! Dataref type
-${in}${indent}typedef $type type;
+${in}${indent}using type = $type;
 EOF
 
             print <<"EOF" if defined $size;
 ${in}${indent}//! Size of array dataref
-${in}${indent}static const size_t size = $size;
+${in}${indent}static constexpr size_t size = $size;
 EOF
 
             print <<"EOF";