downstream: logger: use Logger* instead of Logger& to propagate signature using swig

src/serializers/ColladaSerializer.h

@@ -219,7 +219,7 @@ private:
 	std::string unit_name;
 	float unit_magnitude;
 public:
-    ColladaSerializer(const std::string& dae_filename, const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& settings, ::logger& logger = ::logger::root())
+    ColladaSerializer(const std::string& dae_filename, const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& settings, ::logger* logger = nullptr)
         : WriteOnlyGeometrySerializer(geometry_settings, settings, logger)
 		, exporter("IfcOpenShell", dae_filename, this, settings.get<ifcopenshell::geometry::settings::FloatingPointDigits>().get() >= 15)
     {

src/serializers/GltfSerializer.cpp

@@ -53,7 +53,7 @@ static const uint32_t PRIM_TRIANGLE_FAN = 6;
 static const uint32_t ELEMENT_ARRAY_BUFFER = 34963;
 static const uint32_t ARRAY_BUFFER = 34962;
 
-GltfSerializer::GltfSerializer(const std::string& filename, const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& settings, ::logger& logger)
+GltfSerializer::GltfSerializer(const std::string& filename, const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& settings, ::logger* logger)
 	: WriteOnlyGeometrySerializer(geometry_settings, settings, logger)
 	, filename_(filename)
 	, tmp_filename1_(filename + ".indices.tmp")

src/serializers/GltfSerializer.h

@@ -43,7 +43,7 @@ private:
 
 	int writeMaterial(const ifcopenshell::geometry::taxonomy::style::ptr style);
 public:
-	GltfSerializer(const std::string& filename, const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& settings, ::logger& logger = ::logger::root());
+	GltfSerializer(const std::string& filename, const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& settings, ::logger* logger = nullptr);
 	virtual ~GltfSerializer();
 	bool ready();
 	void writeHeader();

src/serializers/IgesSerializer.h

@@ -40,7 +40,7 @@ private:
 public:
     /// @note IGESControl_Controller::Init() must be called prior to instantiating IgesSerializer.
     /// See http://tracker.dev.opencascade.org/view.php?id=23679 for more information.
-    IgesSerializer(const std::string& out_filename, const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& settings, ::logger& logger = ::logger::root())
+    IgesSerializer(const std::string& out_filename, const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& settings, ::logger* logger = nullptr)
         : OpenCascadeBasedSerializer(out_filename, geometry_settings, settings, logger)
 	{}
 	virtual ~IgesSerializer() {}

src/serializers/OpenCascadeBasedSerializer.h

@@ -36,7 +36,7 @@ protected:
 	const std::string out_filename;
 	const char* getSymbolForUnitMagnitude(float mag);
 public:
-	explicit OpenCascadeBasedSerializer(const std::string& out_filename, const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& settings, ::logger& logger = ::logger::root())
+	explicit OpenCascadeBasedSerializer(const std::string& out_filename, const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& settings, ::logger* logger = nullptr)
 		: WriteOnlyGeometrySerializer(geometry_settings, settings, logger)
 		, out_filename(out_filename)
 	{}

src/serializers/RocksDbSerializer.cpp

@@ -9,7 +9,7 @@
 
 #include "../ifcparse/logger.h"
 
-RocksDbSerializer::RocksDbSerializer(const std::string& input_filename, const std::string& rocksdb_filename, const std::vector<std::string>& skip_supertypes, ::logger& logger)
+RocksDbSerializer::RocksDbSerializer(const std::string& input_filename, const std::string& rocksdb_filename, const std::vector<std::string>& skip_supertypes, ::logger* logger)
 	: input_filename_(input_filename)
 	, rocksdb_filename_(rocksdb_filename)
 	, skip_supertypes_(skip_supertypes)

src/serializers/RocksDbSerializer.h

@@ -16,7 +16,7 @@ private:
 
 	void write_streaming_();
 public:
-	RocksDbSerializer(const std::string& input_filename, const std::string& rocksdb_filename, const std::vector<std::string>& skip_supertypes = {}, ::logger& logger = ::logger::root());
+	RocksDbSerializer(const std::string& input_filename, const std::string& rocksdb_filename, const std::vector<std::string>& skip_supertypes = {}, ::logger* logger = nullptr);
 
 	virtual ~RocksDbSerializer() {}
 

src/serializers/StepSerializer.h

@@ -34,7 +34,7 @@ class StepSerializer : public OpenCascadeBasedSerializer
 private:
 	STEPControl_Writer writer;	
 public:
-	explicit StepSerializer(const std::string& out_filename, const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& serializer_settings, ::logger& logger = ::logger::root())
+	explicit StepSerializer(const std::string& out_filename, const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& serializer_settings, ::logger* logger = nullptr)
 		: OpenCascadeBasedSerializer(out_filename, geometry_settings, serializer_settings, logger)
 	{}
 	virtual ~StepSerializer() {}

src/serializers/SvgSerializer.h

@@ -597,7 +597,7 @@ protected:
 	subtract_before_project subtraction_settings_;
 
 public:
-	SvgSerializer(const stream_or_filename& out_filename, const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& settings, ::logger& logger = ::logger::root())
+	SvgSerializer(const stream_or_filename& out_filename, const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& settings, ::logger* logger = nullptr)
 		: WriteOnlyGeometrySerializer(geometry_settings, settings, logger)
 		, svg_file(out_filename)
 		, xmin(+std::numeric_limits<double>::infinity())

src/serializers/TtlWktSerializer.cpp

@@ -233,7 +233,7 @@ namespace {
     }
 }
 
-TtlWktSerializer::TtlWktSerializer(const stream_or_filename& filename, const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& settings, ::logger& logger)
+TtlWktSerializer::TtlWktSerializer(const stream_or_filename& filename, const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& settings, ::logger* logger)
     : WriteOnlyGeometrySerializer(geometry_settings, settings, logger)
     , filename_(filename)
 {

src/serializers/TtlWktSerializer.h

@@ -32,7 +32,7 @@ class SERIALIZERS_API TtlWktSerializer : public WriteOnlyGeometrySerializer {
 private:
 	stream_or_filename filename_;
 public:
-	TtlWktSerializer(const stream_or_filename& filename, const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& settings, ::logger& logger = ::logger::root());
+	TtlWktSerializer(const stream_or_filename& filename, const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& settings, ::logger* logger = nullptr);
 	virtual ~TtlWktSerializer() {}
 	bool ready();
 	void writeHeader();

src/serializers/USDSerializer.cpp

@@ -36,7 +36,7 @@
 
 #include <math.h>
 
-USDSerializer::USDSerializer(const std::string& out_filename, const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& settings, ::logger& logger):
+USDSerializer::USDSerializer(const std::string& out_filename, const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& settings, ::logger* logger):
 	WriteOnlyGeometrySerializer(geometry_settings, settings, logger),
 	filename_(out_filename)
 {

src/serializers/USDSerializer.h

@@ -86,7 +86,7 @@ private:
 	std::set<std::string> emitted_names_;
 	std::map<int, std::string> element_names_;
 public:
-	USDSerializer(const std::string&, const ifcopenshell::geometry::Settings&, const ifcopenshell::geometry::SerializerSettings&, ::logger& logger = ::logger::root());
+	USDSerializer(const std::string&, const ifcopenshell::geometry::Settings&, const ifcopenshell::geometry::SerializerSettings&, ::logger* logger = nullptr);
 	virtual ~USDSerializer();
 	bool ready() { return ready_; }
 	void writeHeader();

src/serializers/WavefrontObjSerializer.cpp

@@ -27,7 +27,7 @@
 #include <boost/lexical_cast.hpp>
 #include <iomanip>
 
-WaveFrontOBJSerializer::WaveFrontOBJSerializer(const stream_or_filename& obj_filename, const stream_or_filename& mtl_filename, const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& settings, ::logger& logger)
+WaveFrontOBJSerializer::WaveFrontOBJSerializer(const stream_or_filename& obj_filename, const stream_or_filename& mtl_filename, const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& settings, ::logger* logger)
 	: WriteOnlyGeometrySerializer(geometry_settings, settings, logger)
 	, obj_stream(obj_filename)
 	, mtl_stream(mtl_filename)

src/serializers/WavefrontObjSerializer.h

@@ -35,7 +35,7 @@ private:
 	size_t vcount_total, ncount_total;
 	std::set<std::string> materials;
 public:
-	WaveFrontOBJSerializer(const stream_or_filename& obj_filename, const stream_or_filename& mtl_filename, const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& settings, ::logger& logger = ::logger::root());
+	WaveFrontOBJSerializer(const stream_or_filename& obj_filename, const stream_or_filename& mtl_filename, const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& settings, ::logger* logger = nullptr);
 	virtual ~WaveFrontOBJSerializer() {}
 	bool ready();
 	void writeHeader();