Method next

src/ifcgeom/Iterator.cpp:493–533

Moves to the next shape representation, create its geometry, and returns the associated product. Use get() to retrieve the created geometry.

/// Moves to the next shape representation, create its geometry, and returns the associated product.
/// Use get() to retrieve the created geometry.
const IfcUtil::IfcBaseClass* IfcGeom::Iterator::next() {
	using std::chrono::high_resolution_clock;
	validate_iterator_state();

	if (*native_task_result_iterator_ != *task_result_iterator_) {
		delete* native_task_result_iterator_;
	}
	delete* task_result_iterator_;

	if (num_threads_ != 1) {
		if (!wait_for_element()) {
			Logger::SetProduct(boost::none);
			time_points[3] = high_resolution_clock::now();
			log_timepoints();
			task_result_ptr_exhausted = true;
			return nullptr;
		}

		task_result_iterator_++;
		native_task_result_iterator_++;

		return (*task_result_iterator_)->product();
	} else {
		// Increment the iterator over the list of products using the current
		// shape representation
		if (task_result_iterator_ == --all_processed_elements_.end()) {
			if (!create()) {
				Logger::SetProduct(boost::none);
				time_points[3] = high_resolution_clock::now();
				log_timepoints();
				task_result_ptr_exhausted = true;
				return nullptr;
			}
		}

		task_result_iterator_++;
		native_task_result_iterator_++;

		return (*task_result_iterator_)->product();
	}
}

/// Gets the representation of the current geometrical entity.
IfcGeom::Element* IfcGeom::Iterator::get()