axe

# File lib/rexml/quickpath.rb, line 105
    def QuickPath::axe( elements, axe_name, rest )
      matches = []
      matches = filter( elements.dup, rest ) if axe_name =~ /-or-self$/
      case axe_name
      when /^descendant/
        elements.each do |element|
          matches |= filter( element.to_a, "descendant-or-self::#{rest}" ) if element.kind_of? Element
        end
      when /^ancestor/
        elements.each do |element|
          while element.parent
            matches << element.parent
            element = element.parent
          end
        end
        matches = filter( matches, rest )
      when "self"
        matches = filter( elements, rest )
      when "child"
        elements.each do |element|
          matches |= filter( element.to_a, rest ) if element.kind_of? Element
        end
      when "attribute"
        elements.each do |element|
          matches << element.attributes[ rest ] if element.kind_of? Element
        end
      when "parent"
        matches = filter(elements.collect{|element| element.parent}.uniq, rest)
      when "following-sibling"
        matches = filter(elements.collect{|element| element.next_sibling}.uniq,
          rest)
      when "previous-sibling"
        matches = filter(elements.collect{|element|
          element.previous_sibling}.uniq, rest )
      end
      return matches.uniq
    end