ifcparse refactoring (#190)

Unify attribute containers, provide latebound attribute access on IfcBaseEntity, more basic tests on Travis
2026-08-18 11:20:21 +00:00 · 2017-06-05 17:26:58 +02:00
parent 9a43658716
commit 5e0da9725a
49 changed files with 9228 additions and 9416 deletions
@@ -0,0 +1,84 @@
+/********************************************************************************
+ *                                                                              *
+ * 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/>.         *
+ *                                                                              *
+ ********************************************************************************/
+
+#ifndef IFCBASECLASS_H
+#define IFCBASECLASS_H
+
+#include "ifc_parse_api.h"
+
+#ifdef USE_IFC4
+#include "../ifcparse/Ifc4enum.h"
+#else
+#include "../ifcparse/Ifc2x3enum.h"
+#endif
+
+#include "../ifcparse/IfcEntityInstanceData.h"
+
+class Argument;
+
+namespace IfcUtil {
+
+	class IFC_PARSE_API IfcBaseClass {
+	public:
+		virtual ~IfcBaseClass() {}
+		IfcEntityInstanceData* entity;
+		virtual bool is(IfcSchema::Type::Enum v) const = 0;
+		virtual IfcSchema::Type::Enum type() const = 0;
+
+		virtual unsigned int getArgumentCount() const = 0;
+		virtual IfcUtil::ArgumentType getArgumentType(unsigned int i) const = 0;
+		virtual IfcSchema::Type::Enum getArgumentEntity(unsigned int i) const = 0;
+		virtual Argument* getArgument(unsigned int i) const = 0;
+		virtual const char* getArgumentName(unsigned int i) const = 0;
+
+		template <class T>
+		T* as() {
+			return is(T::Class())
+				? static_cast<T*>(this)
+				: static_cast<T*>(0);
+		}
+
+		template <class T>
+		const T* as() const {
+			return is(T::Class())
+				? static_cast<const T*>(this)
+				: static_cast<const T*>(0);
+		}
+	};
+
+	class IFC_PARSE_API IfcBaseEntity : public IfcBaseClass {
+	public:
+		Argument* getArgumentByName(const std::string& name) const;
+		std::vector<std::string> getAttributeNames() const;
+		std::vector<std::string> getInverseAttributeNames() const;
+		unsigned id() const { return entity->id(); }
+	};
+
+	// TODO: Investigate whether these should be template classes instead
+	class IFC_PARSE_API IfcBaseType : public IfcBaseEntity {
+	public:
+		unsigned int getArgumentCount() const;
+		Argument* getArgument(unsigned int i) const;
+		const char* getArgumentName(unsigned int i) const;
+		IfcSchema::Type::Enum getArgumentEntity(unsigned int /*i*/) const { return IfcSchema::Type::UNDEFINED; }
+	};
+
+}
+
+#endif