simple function to inline css into chunk of html string.rb

def simple_inline_css(html, *css_files)
  doc = Hpricot(html)
  css_files.each do |css_file|
    css_content_without_comments = IO.read(css_file).gsub(/\/\*.*?\*\//m, '')
    css_content_without_comments.split('}').each do |rule|
      (match, properties) = rule.split('{')
      next unless properties
      match.gsub!(/^\s*|\s*$/, '')
      properties.gsub!(/^\s*|\s*$/, '')
      (doc/match).each do |ele|
        new_style_attribute = [properties.gsub(/[\r\n]/, ''), ele.get_attribute("style")].reject(&:blank?).join(';')
        ele.set_attribute("style", new_style_attribute)
      end
    end
  end
  doc.to_s
end