Module: Escapement::Traversal

Included in:
Element::Base, Tag
Defined in:
lib/escapement/traversal.rb

Instance Method Summary collapse

Instance Method Details

#process_children ⇒ Object

Processes all child nodes of the current node. As the recursion unwinds, we update the entities array such that we’re left with a full result set at the root, which is the Element object.



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# File 'lib/escapement/traversal.rb', line 6

def process_children
  node.children.each do |child|
    if child.text?
      # If the child node is a text node, we know there are no entities. We simply
      # increase the current position and continue.
      @current_position += child.content.length
    else
      # The node is not a text node, so it must be an entity of some kind. Continue
      # the recursion.
      tag = Escapement::Tag.new(child, @current_position)
      tag.process

      @current_position += child.content.length
      @entities.concat tag.entities
    end
  end
end