hpricot_reformat.rb

require 'hpricot'

def formatted_output(node, indent = 0)
  output, tag_name = [], node.etag.sub('/', '')
  space = ' ' * indent
  
  if node.children
    if node.children.size == 1
      output << space + node.to_s
    else
      output << space + tag_name
      node.children.each do |child|
        output.concat formatted_output child, indent + 2
      end
      output << space + node.etag
    end
  else
    output << space + tag_name + node.etag
  end
  
  output
end


document = Hpricot.parse File.read(Rails.root + "/spec/fixtures/unformatted.xml")
formatted_xml = formatted_output(document.children.first).join("\n")