Revive XML serializer

src/serializers/XmlSerializer.cpp

@@ -0,0 +1,35 @@
+#include "XmlSerializer.h"
+
+extern void init_XmlSerializerIfc2x3(XmlSerializerFactory::Factory*);
+extern void init_XmlSerializerIfc4(XmlSerializerFactory::Factory*);
+
+XmlSerializerFactory::Factory::Factory() {
+	init_XmlSerializerIfc2x3(this);
+	init_XmlSerializerIfc4(this);
+}
+
+void XmlSerializerFactory::Factory::bind(const std::string& schema_name, fn f) {
+	const std::string schema_name_lower = boost::to_lower_copy(schema_name);
+	this->insert(std::make_pair(schema_name_lower, f));
+}
+
+XmlSerializer* XmlSerializerFactory::Factory::construct(const std::string& schema_name, IfcParse::IfcFile* file, std::string xml_filename) {
+	const std::string schema_name_lower = boost::to_lower_copy(schema_name);
+	typename std::map<std::string, fn>::const_iterator it;
+	it = this->find(schema_name_lower);
+	if (it == this->end()) {
+		throw IfcParse::IfcException("No XML serializer registered for " + schema_name);
+	}
+	return it->second(file, xml_filename);
+}
+
+XmlSerializer::XmlSerializer(IfcParse::IfcFile* file, const std::string& xml_filename) {
+	if (file != nullptr) {
+		implementation_ = XmlSerializerFactory::implementations().construct(file->schema()->name(), file, xml_filename);
+	}
+}
+
+XmlSerializerFactory::Factory& XmlSerializerFactory::implementations() {
+	static XmlSerializerFactory::Factory impl;
+	return impl;
+}