--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Logger.h Mon Jan 04 15:45:12 2021 +0100
@@ -0,0 +1,44 @@
+/**
+ * DJM-Fix
+ * Copyright © 2020 František Kučera (Frantovo.cz, GlobalCode.info)
+ *
+ * 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, version 3 of the License.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+#include <iostream>
+
+namespace djmfix {
+namespace logging {
+
+enum class Level {
+ SEVERE,
+ WARNING,
+ INFO,
+ CONFIG,
+ FINE,
+ FINER,
+ FINEST,
+};
+
+class Logger {
+public:
+ virtual ~Logger() = default;
+ virtual void log(Level level, const std::string& message) = 0;
+};
+
+Logger* create(std::ostream& output, Level minLevel);
+Logger* blackhole();
+
+}
+}
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