class __attribute__()

in ComponentKit/LayoutComponents/CKClippingComponent.h [36:89]

• 35 lines of code
• 1 McCabe index (conditional complexity)

class __attribute__((__may_alias__)) ClippingComponentBuilder
: public ComponentBuilderBaseSizeOnly<ClippingComponentBuilder, PropsBitmap> {
public:
  ClippingComponentBuilder() = default;

  ~ClippingComponentBuilder() = default;

  /**
   The child component whose layout will be clipped to the specified size.
   */
  auto &component(NS_RELEASES_ARGUMENT CKComponent *c)
  {
    constexpr auto componentIsNotSet = !PropBitmap::isSet(PropsBitmap, ClippingComponentPropId::component);
    static_assert(componentIsNotSet, "Property 'component' is already set.");
    _component = c;
    return reinterpret_cast<
    ClippingComponentBuilder<PropsBitmap | ClippingComponentPropId::component> &>(*this);
  }

  /**
   A value determining which dimension(s) of child component layout could potentially be clipped. When calculating the child layout, the corresponding dimension(s)
   will be unconstrained and potentially clipped as a result.
   */
  auto &clippedDimensions(ClippingComponentDimensions d)
  {
    constexpr auto clippedDimenstionsAreNotSet = !PropBitmap::isSet(PropsBitmap, ClippingComponentPropId::clippedDimensions);
    static_assert(clippedDimenstionsAreNotSet, "Property 'clippedDimensions' is already set.");
    _dimensions = d;
    return reinterpret_cast<
    ClippingComponentBuilder<PropsBitmap | ClippingComponentPropId::clippedDimensions> &>(*this);
  }

private:
  friend BuilderBase<ClippingComponentBuilder, PropsBitmap>;

  /**
   Creates a new component instance with specified properties.

   @note  This method must @b not be called more than once on a given component builder instance.
   */
  NS_RETURNS_RETAINED auto _build() noexcept -> CKComponent *
  {
    constexpr auto componentIsSet = PropBitmap::isSet(PropsBitmap, ClippingComponentPropId::component);
    static_assert(componentIsSet, "Required property 'component' is not set.");
    constexpr auto clippedDimenstionsAreSet = PropBitmap::isSet(PropsBitmap, ClippingComponentPropId::clippedDimensions);
    static_assert(clippedDimenstionsAreSet, "Required property 'clippedDimensions' is not set.");

    return ClippingComponentDetails::factory(_component, this->_size, _dimensions);
  }
  
private:
  CKComponent *_component;
  ClippingComponentDimensions _dimensions{};
};