createWidgetElementShape function

Implementation

Pointer<WidgetElementShape> createWidgetElementShape(Map<String, ElementCreator> creators) {
  Pointer<WidgetElementShape> nativeShapes = malloc.allocate(sizeOf<WidgetElementShape>() * creators.length);
  int shapeIndex = 0;

  creators.forEach((tagName, creator) {
    WidgetElement widgetElement = creator(null) as WidgetElement;

    List<String> properties = [];
    if (!Element.isElementStaticProperties(widgetElement.properties.last)) {
      properties.addAll(widgetElement.properties.last.keys);
    }
    properties.addAll(widgetElement.dynamicProperties.keys.toList(growable: false));

    List<String> syncMethods = [];
    List<String> asyncMethods = [];

    for (int i = 2; i < widgetElement.methods.length; i ++) {
      syncMethods.addAll(widgetElement.methods[i].keys);
    }

    for (int i = 0; i < widgetElement.asyncMethods.length; i ++) {
      asyncMethods.addAll(widgetElement.asyncMethods[i].keys);
    }

    widgetElement.dynamicMethods.forEach((key, method) {
      if (method is BindingObjectMethodSync) {
        syncMethods.add(key);
      } else if (method is AsyncBindingObjectMethod) {
        asyncMethods.add(key);
      }
    });

    Pointer<WidgetElementShape> shape = nativeShapes + shapeIndex;

    shape.ref.name = tagName.toNativeUtf8();
    shape.ref.properties = malloc.allocate(sizeOf<NativeValue>());
    shape.ref.methods = malloc.allocate(sizeOf<NativeValue>());
    shape.ref.asyncMethods = malloc.allocate(sizeOf<NativeValue>());

    toNativeValue(shape.ref.properties, properties);
    toNativeValue(shape.ref.methods, syncMethods);
    toNativeValue(shape.ref.asyncMethods, asyncMethods);

    shapeIndex++;
  });

  return nativeShapes;
}