output/Interface: add "attributes" map

These attributes are printed in the "outputs" response, and the new
command "outputset" allows setting new values.

No attributes are currently implemented.

1 files changed, 30 insertions, 0 deletions

diff --git a/src/output/Interface.cxx b/src/output/Interface.cxx
new file mode 100644
index 000000000..5480642df
--- /dev/null
+++ b/src/output/Interface.cxx
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2003-2017 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "Interface.hxx"
+#include "Compiler.h"
+
+#include <stdexcept>
+
+void
+AudioOutput::SetAttribute(gcc_unused std::string &&name,
+			  gcc_unused std::string &&value)
+{
+	throw std::invalid_argument("Unsupported attribute");
+}