Split the LMS_LOG macro to work either with a ostream logger or a wt logger

src/utils/StreamLogger.hpp

@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2019 Emeric Poupon
+ *
+ * This file is part of LMS.
+ *
+ * LMS 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * LMS 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 LMS.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "Logger.hpp"
+
+class StreamLogger final : public Logger
+{
+	public:
+		StreamLogger(std::ostream& oss);
+
+		void processLog(const Log& log);
+
+	private:
+		std::ostream& _os;
+};
+