[locomotiv] add method for condition check (#3912)

There are many validation check if (...) throw ... . This commit adds a function to do this with one call.

Signed-off-by: Hyun Sik Yoon <hyunsik.yoon@samsung.com>

diff --git a/contrib/locomotiv/src/Validation.h b/contrib/locomotiv/src/Validation.h
new file mode 100644 (file)
index 0000000..59b8c40
--- /dev/null
+++ b/contrib/locomotiv/src/Validation.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * 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.
+ */
+
+#ifndef _LOCOMOTIV_VALIDATION_H_
+#define _LOCOMOTIV_VALIDATION_H_
+
+#include <string>
+#include <stdexcept>
+
+namespace locomotiv
+{
+
+inline void validate(bool true_cond, const std::string &&exception_msg)
+{
+  if (!true_cond)
+    throw std::runtime_error(exception_msg);
+}
+
+} // namespace locomotiv
+
+#endif // _LOCOMOTIV_VALIDATION_H_