1 files changed, 55 insertions, 0 deletions
diff --git a/src/base/XmlExportable.h b/src/base/XmlExportable.h
new file mode 100644
index 0000000..e619221
--- /dev/null
+++ b/src/base/XmlExportable.h
@@ -0,0 +1,55 @@
+// -*- c-basic-offset: 4 -*-
+
+/*
+    Rosegarden
+    A sequencer and musical notation editor.
+
+    This program is Copyright 2000-2008
+        Guillaume Laurent   <[email protected]>,
+        Chris Cannam        <[email protected]>,
+        Richard Bown        <[email protected]>
+
+    The moral right of the authors to claim authorship of this work
+    has been asserted.
+
+    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.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#ifndef _XMLEXPORTABLE_H_
+#define _XMLEXPORTABLE_H_
+
+#include <string>
+
+// [rwb]
+//
+//   Abstract base class that forces all derived classes
+//   to implement the virtual toXmlString object.
+//
+//   Yes, this is similar to  the XmlStoreableEvent class
+//   in gui/ but with hopes to be more general so that any
+//   classes in base/ can go ahead and implement it.
+//
+//
+
+namespace Rosegarden
+{
+
+class XmlExportable
+{
+public:
+    XmlExportable() {;}
+    virtual ~XmlExportable() {;}
+
+    virtual std::string toXmlString() = 0;
+
+    static std::string encode(const std::string &);
+};
+
+}
+
+#endif // _XMLEXPORTABLE_H_
+