tree and document plug-ins

src/ifcgeom/Serialization/schema/CMakeLists.txt

@@ -1,7 +1,12 @@
 foreach(schema ${SCHEMA_VERSIONS})
-    add_library(geometry_serializer_ifc${schema} STATIC Serialization.cpp)
-    target_link_libraries(geometry_serializer_ifc${schema} ${OpenCASCADE_LIBRARIES})
-    set_target_properties(geometry_serializer_ifc${schema} PROPERTIES COMPILE_FLAGS "-DIFC_GEOMSERIALIZATION_EXPORTS -DIfcSchema=Ifc${schema}")
+    add_library(geometry_serializer_ifc${schema} SHARED Serialization.cpp plugin.cpp)
+    target_link_libraries(geometry_serializer_ifc${schema} PRIVATE plugin geometry_serializer IfcGeom IfcParse ${OpenCASCADE_LIBRARIES})
+    set_target_properties(geometry_serializer_ifc${schema} PROPERTIES
+        COMPILE_FLAGS "-DIfcSchema=Ifc${schema}"
+        OUTPUT_NAME "geometry.serialization.ifc${schema}"
+        RUNTIME_OUTPUT_DIRECTORY "${geometry_serialization_plugin_runtime_dir}"
+        LIBRARY_OUTPUT_DIRECTORY "${geometry_serialization_plugin_runtime_dir}"
+    )
     list(APPEND geometry_serializer_libraries geometry_serializer_ifc${schema})
 endforeach()
-set(geometry_serializer_libraries ${geometry_serializer_libraries} PARENT_SCOPE)
+set(geometry_serializer_libraries ${geometry_serializer_libraries} PARENT_SCOPE)

src/ifcgeom/Serialization/schema/plugin.cpp

@@ -0,0 +1,69 @@
+/********************************************************************************
+ *                                                                              *
+ * This file is part of IfcOpenShell.                                           *
+ *                                                                              *
+ * IfcOpenShell is free software: you can redistribute it and/or modify         *
+ * it under the terms of the Lesser GNU General Public License as published by  *
+ * the Free Software Foundation, either version 3.0 of the License, or          *
+ * (at your option) any later version.                                          *
+ *                                                                              *
+ * IfcOpenShell 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                 *
+ * Lesser GNU General Public License for more details.                          *
+ *                                                                              *
+ * You should have received a copy of the Lesser GNU General Public License     *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.         *
+ *                                                                              *
+ ********************************************************************************/
+
+#include "../opencascade_geometry_ifc_writer_plugin.h"
+
+#include "../../../ifcgeom/kernels/opencascade/OpenCascadeConversionResult.h"
+#include "../../../ifcparse/exception.h"
+#include "../../../ifcparse/macros.h"
+
+#include <boost/dll/alias.hpp>
+
+express::Base POSTFIX_SCHEMA(serialise)(ifcopenshell::file& f, const TopoDS_Shape& shape, bool advanced);
+express::Base POSTFIX_SCHEMA(tesselate)(ifcopenshell::file& f, const TopoDS_Shape& shape, double deflection);
+
+namespace {
+	const ifcopenshell::geometry::OpenCascadeShape& require_opencascade_shape(const IfcGeom::ConversionResultShape& shape) {
+		const auto* oc_shape = dynamic_cast<const ifcopenshell::geometry::OpenCascadeShape*>(&shape);
+		if (!oc_shape) {
+			throw ifcopenshell::exception("OpenCascade geometry IFC writer requires an opencascade conversion result shape");
+		}
+		return *oc_shape;
+	}
+
+	express::Base serialise_adapter(ifcopenshell::file& f, const IfcGeom::ConversionResultShape& shape, bool advanced) {
+		return POSTFIX_SCHEMA(serialise)(f, require_opencascade_shape(shape).shape(), advanced);
+	}
+
+	express::Base tesselate_adapter(ifcopenshell::file& f, const IfcGeom::ConversionResultShape& shape, double deflection) {
+		return POSTFIX_SCHEMA(tesselate)(f, require_opencascade_shape(shape).shape(), deflection);
+	}
+}
+
+namespace IfcGeom {
+	namespace opencascade_geometry_ifc_writer_plugin {
+
+		ifcopenshell::plugin::abi_info plugin_abi() {
+			return ifcopenshell::plugin::host_abi();
+		}
+
+		ifcopenshell::plugin::metadata plugin_metadata() {
+			return opencascade_geometry_ifc_writer_plugin_metadata(STRINGIFY(IfcSchema));
+		}
+
+		void register_plugin(opencascade_geometry_ifc_writer_registry& registry, const ifcopenshell::plugin::module& module) {
+			registry.bind(STRINGIFY(IfcSchema), &serialise_adapter, &tesselate_adapter, module);
+		}
+
+	}
+}
+
+BOOST_DLL_ALIAS(IfcGeom::opencascade_geometry_ifc_writer_plugin::plugin_abi, ifcopenshell_plugin_abi_v1)
+BOOST_DLL_ALIAS(IfcGeom::opencascade_geometry_ifc_writer_plugin::plugin_metadata, ifcopenshell_plugin_metadata_v1)
+BOOST_DLL_ALIAS(IfcGeom::opencascade_geometry_ifc_writer_plugin::register_plugin, ifcopenshell_register_opencascade_geometry_ifc_writer_plugin_v1)