Module: Sevgi::Standard::Model::SpecialFeDiffuseLighting

Defined in:
lib/sevgi/standard/model.rb

Instance Method Summary collapse

Instance Method Details

#apply(cdata:, elements:) ⇒ Object

Any number of Descriptive elements and exactly one FilterLightSource element, in any order.



38
39
40
41
42
43
44
45
46
47
48
 
# File 'lib/sevgi/standard/model.rb', line 38

def apply(cdata:, elements:)
  UnallowedCDataError.(element, cdata) if cdata

  unless (filter_light_source_elements = Element.pick(elements, :FilterLightSource)).size == 1
    UnmetConditionError.(element, "Exactly one FilterLightSource element required")
  end

  unless (unallowed = Element.unpick(elements - filter_light_source_elements, :Descriptive)).empty?
    UnallowedElementsError.(element, unallowed)
  end
end