More work

src/ifcgeom/abstract_mapping.h

@@ -1,15 +1,56 @@
+#ifndef ABSTRACT_MAPPING_H
+#define ABSTRACT_MAPPING_H
+
 #include "../ifcparse/IfcBaseClass.h"
+#include "../ifcparse/IfcEntityList.h"
 #include "../ifcgeom/taxonomy.h"
+#include "../ifcgeom/settings.h"
+
+#include <boost/function.hpp>
+
+#include <map>
+#include <string>
 
 namespace ifcopenshell {
 
 namespace geometry {
+
+	class Element;
+	class NativeElement;
+
+	struct geometry_conversion_task {
+		int index;
+		IfcUtil::IfcBaseEntity* representation;
+		IfcEntityList::ptr products;
+		std::vector<ifcopenshell::geometry::NativeElement*> breps;
+		std::vector<ifcopenshell::geometry::Element*> elements;
+	};
+
+	typedef boost::function<bool(IfcUtil::IfcBaseEntity*)> filter_t;
     
     class abstract_mapping {
 	public:
 		virtual ifcopenshell::geometry::taxonomy::item* map(const IfcUtil::IfcBaseClass*) = 0;
+		virtual void get_representations(std::vector<geometry_conversion_task>& tasks, std::vector<filter_t>& filters, settings& s) = 0;
+		virtual IfcUtil::IfcBaseEntity* get_decomposing_entity(IfcUtil::IfcBaseEntity* product, bool include_openings = true) = 0;
+		virtual std::map<std::string, IfcUtil::IfcBaseEntity*> get_layers(IfcUtil::IfcBaseEntity*);
     };
+
+	namespace impl {
+		typedef boost::function1<abstract_mapping*, IfcParse::IfcFile*> mapping_fn;
+
+		class MappingFactoryImplementation : public std::map<std::string, mapping_fn> {
+		public:
+			MappingFactoryImplementation();
+			void bind(const std::string& schema_name, mapping_fn);
+			abstract_mapping* construct(IfcParse::IfcFile*);
+		};
+
+		MappingFactoryImplementation& mapping_implementations();
+	}
     
 }
 
-}
+}
+
+#endif