Module: DeepCover::Node::Mixin::ChildCanBeEmpty

Defined in:
lib/deep_cover/node/mixin/child_can_be_empty.rb

Class Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Class Attribute Details

.last_empty_position ⇒ Object

Ugly hack to pass info from Handler to constructor



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# File 'lib/deep_cover/node/mixin/child_can_be_empty.rb', line 7

def last_empty_position
  @last_empty_position
end

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/deep_cover/node/mixin/child_can_be_empty.rb', line 8

def included(base)
  base.has_child_handler('%{name}_can_be_empty')
end

Instance Method Details

#child_can_be_empty(_child, _name = nil) ⇒ Object 



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# File 'lib/deep_cover/node/mixin/child_can_be_empty.rb', line 22

def child_can_be_empty(_child, _name = nil)
  false
end

#remap_child(child, name) ⇒ Object 



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# File 'lib/deep_cover/node/mixin/child_can_be_empty.rb', line 13

def remap_child(child, name)
  if child == nil
    if (ChildCanBeEmpty.last_empty_position = child_can_be_empty(child, name))
      return Node::EmptyBody
    end
  end
  super
end