2022-05-24 Fred Gleason <fredg@paravelsystems.com>

* Added an 'RDRange' class.
	* Added support for range specifications to the 'line' parameter
	of the 'GPI Enable' ['GE'] RML.

Signed-off-by: Fred Gleason <fredg@paravelsystems.com>

lib/rdrange.h

@@ -0,0 +1,41 @@
+// rdrange.h
+//
+// Implement Rivendell range specifications
+//
+//   (C) Copyright 2022 Fred Gleason <fredg@paravelsystems.com>
+//
+//   This program is free software; you can redistribute it and/or modify
+//   it under the terms of the GNU General Public License version 2 as
+//   published by the Free Software Foundation.
+//
+//   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., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+
+#ifndef RDRANGE_H
+#define RDRANGE_H
+
+#include <QString>
+
+class RDRange
+{
+ public:
+  RDRange(int max_end);
+  int start() const;
+  int end() const;
+  bool parse(const QString &str);
+
+ private:
+  int d_start;
+  int d_end;
+  int d_max_end;
+};
+
+
+#endif  // RDRANGE_H