1 files changed, 64 insertions, 0 deletions
diff --git a/helpers.cpp b/helpers.cpp
new file mode 100644
index 0000000..b62b464
--- /dev/null
+++ b/helpers.cpp
@@ -0,0 +1,64 @@
+/*
+ *  libgato - A GATT/ATT library for use with Bluez
+ *
+ *  Copyright (C) 2013 Javier S. Pedro <maemo@javispedro.com>
+ *
+ *  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 St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include "helpers.h"
+
+GatoUUID bytearray_to_gatouuid(const QByteArray &ba)
+{
+	switch (ba.size()) {
+	case 2:
+		return GatoUUID(read_le<quint16>(ba.constData()));
+	case 4:
+		return GatoUUID(read_le<quint32>(ba.constData()));
+	case 16:
+		return GatoUUID(read_le<gatouint128>(ba.constData()));
+	default:
+		return GatoUUID();
+	}
+}
+
+QByteArray gatouuid_to_bytearray(const GatoUUID &uuid, bool use_uuid16, bool use_uuid32)
+{
+	QByteArray ba;
+
+	if (use_uuid16) {
+		quint16 uuid16 = uuid.toUInt16(&use_uuid16);
+		if (use_uuid16) {
+			ba.resize(sizeof(quint16));
+			write_le(uuid16, ba.data());
+			return ba;
+		}
+	}
+	if (use_uuid32) {
+		quint32 uuid32 = uuid.toUInt32(&use_uuid32);
+		if (use_uuid32) {
+			ba.resize(sizeof(quint32));
+			write_le(uuid32, ba.data());
+			return ba;
+		}
+	}
+
+	gatouint128 uuid128 = uuid.toUInt128();
+	ba.resize(sizeof(gatouint128));
+	Q_ASSERT(ba.size() == 16);
+	write_le(uuid128, ba.data());
+
+	return ba;
+}