Pass around non-static logger instances and programmatic access to messages in-memory

src/ifcgeom/Serializer.h

@@ -21,15 +21,22 @@
 #define SERIALIZER_H
 
 #include "../ifcparse/IfcFile.h"
+#include "../ifcparse/IfcLogger.h"
 
 class Serializer {
+protected:
+	Logger& logger_;
+
 public:
+	explicit Serializer(Logger& logger = Logger::Root()) : logger_(logger) {}
 	virtual ~Serializer() {}
 
+	Logger& logger() const { return logger_; }
+
 	virtual bool ready() = 0;
 	virtual void writeHeader() = 0;
 	virtual void finalize() = 0;
 	virtual void setFile(IfcParse::IfcFile*) = 0;
 };
 
-#endif
+#endif