Moved generic utility stuff to new library "raul".

git-svn-id: http://svn.drobilla.net/lad/raul@156 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 73 insertions, 0 deletions

diff --git a/raul/AtomLiblo.h b/raul/AtomLiblo.h
new file mode 100644
index 0000000..772a26e
--- /dev/null
+++ b/raul/AtomLiblo.h
@@ -0,0 +1,73 @@
+/* This file is part of Ingen.  Copyright (C) 2006 Dave Robillard.
+ * 
+ * Ingen 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.
+ * 
+ * Ingen 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 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 St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef RAUL_ATOM_LIBLO_H
+#define RAUL_ATOM_LIBLO_H
+
+#include <lo/lo.h>
+#include "raul/Atom.h"
+
+
+/** Support for serializing an Atom to/from liblo messages.
+ *
+ * (Here to prevent a unnecessary liblo dependency for Atom).
+ */
+class AtomLiblo {
+public:
+	static void lo_message_add_atom(lo_message m, const Atom& atom) {
+		switch (atom.type()) {
+		//case NIL:
+			// (see below)
+			//break;
+		case Atom::INT:
+			lo_message_add_int32(m, atom.get_int32());
+			break;
+		case Atom::FLOAT:
+			lo_message_add_float(m, atom.get_float());
+			break;
+		case Atom::STRING:
+			lo_message_add_string(m, atom.get_string());
+			break;
+		case Atom::BLOB:
+			// FIXME: is this okay?  what does liblo do?
+			lo_message_add_blob(m, const_cast<void*>(atom.get_blob()));
+			break;
+		default: // This catches Atom::Type::NIL too
+			lo_message_add_nil(m);
+			break;
+		}
+	}
+
+	static Atom lo_arg_to_atom(char type, lo_arg* arg) {
+		switch (type) {
+		case 'i':
+			return Atom(arg->i);
+		case 'f':
+			return Atom(arg->f);
+		case 's':
+			return Atom(&arg->s);
+		//case 'b'
+			// FIXME: How to get a blob from a lo_arg?
+			//return Atom(arg->b);
+		default:
+			return Atom();
+		}
+	}
+
+};
+
+
+#endif // RAUL_ATOM_LIBLO_H