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+/* ------------------------------------------------------------------
+ * Copyright (C) 2017 Matthias P. Braendli
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
+ * express or implied.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ * -------------------------------------------------------------------
+ */
+/*! \section Input intefrace definition
+ *
+ * This describes the interface all inputs must implement.
+ */
+
+#pragma once
+
+#include <stdint.h>
+#include <stdio.h>
+
+class InputInterface {
+    public:
+        /*! Open the input interface. In case of failure, throws a
+         * runtime_error.
+         */
+        virtual void prepare(void) = 0;
+};