Start working on build system.

src/base/core/logging/FileLogger.h

@@ -0,0 +1,35 @@
+#pragma once
+
+#include "Pointer.h"
+#include "String.h"
+
+class FileLogger
+{
+    FileLogger();
+
+public:
+    static FileLogger& GetInstance();
+
+    FileLogger(FileLogger const&) = delete;
+    void operator=(FileLogger const&)  = delete;
+
+    ~FileLogger();
+
+    void disable();
+
+    void SetWorkDirectory(const String& workDir);
+
+    void SetFileName(const String& fileName);
+
+    void Open();
+
+    void Close();
+
+    void LogLine(const String& line);
+
+    void LogLine(const String& logType, const String& line, const String& fileName = "", const String& functionName = "", int lineNumber=-1);
+private:
+    bool mDisabled{false};
+    String mWorkDirectory;
+    String mFileName;
+};