Nokogiri recursively get all children

Question

The Problem

I am running some statistics against various URLS. I want to find the top level element with the most concentrated number of children. The method that I wo

Answer 1

# Non-recursive
class Nokogiri::XML::Node
  def descendant_elements
    xpath('.//*')
  end
end

# Recursive 1
class Nokogiri::XML::Node
  def descendant_elements
    element_children.map{ |kid|
      [kid, kid.descendant_elements]
    }.flatten
  end
end

# Recursive 2
class Nokogiri::XML::Node
  def descendant_elements
    kids = element_children.to_a
    kids.concat(kids.map(&:descendant_elements)).flatten
  end
end