class Roadie::Inliner

def elements_matching_selector(stylesheet, selector)
  dom.css(selector.to_s)
# There's no way to get a list of supported pseudo selectors, so we're left
# with having to rescue errors.
# Pseudo selectors that are known to be bad are skipped automatically but
# this will catch the rest.
rescue Nokogiri::XML::XPath::SyntaxError, Nokogiri::CSS::SyntaxError
  Utils.warn(
    "Cannot inline #{selector.inspect} from \"#{stylesheet.name}\" " \
      "stylesheet. If this is valid CSS, please report a bug."
  )
  nil
rescue => error
  Utils.warn(
    "Got error when looking for #{selector.inspect} " \
      "(from \"#{stylesheet.name}\" stylesheet): #{error}"
  )
  raise unless error.message.include?("XPath")
  nil
end