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app/plugins/file_logger/file_logger.cpp

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+/* Copyright (c) 2021-2025, Arm Limited and Contributors
+ * Copyright (c) 2021-2025, Sascha Willems
+ * Copyright (c) 2025, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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.
+ */
+
+#include "file_logger.h"
+
+#include "apps.h"
+
+#include <fmt/format.h>
+#include <spdlog/sinks/basic_file_sink.h>
+#include <spdlog/spdlog.h>
+
+namespace plugins
+{
+FileLogger::FileLogger() :
+    FileLoggerTags("File Logger", "Enable log output to a file.", {}, {}, {{"log-file", "Write log messages to the given file name"}})
+{
+}
+
+bool FileLogger::handle_option(std::deque<std::string> &arguments)
+{
+	assert(!arguments.empty() && (arguments[0].substr(0, 2) == "--"));
+	std::string option = arguments[0].substr(2);
+	if (option == "log-file")
+	{
+		if (arguments.size() < 2)
+		{
+			LOGE("Option \"log-file\" is missing the actual log file name!");
+			return false;
+		}
+		std::string log_file = arguments[1];
+
+		spdlog::default_logger()->sinks().push_back(std::make_shared<spdlog::sinks::basic_file_sink_mt>(log_file, true));
+
+		arguments.pop_front();
+		arguments.pop_front();
+		return true;
+	}
+	return false;
+}
+}        // namespace plugins