class Addressable::URI

Public Instance Methods

canonical() click to toggle source
# File lib/addressable/uri/canon.rb, line 7
def canonical
  dup.canonical!
end
canonical!() click to toggle source
# File lib/addressable/uri/canon.rb, line 11
def canonical!
  fixup!

  response = fetch use_get: :on_text
  response.uri ||= dup
  response.uri.normalize!

  return replace_self(response.uri) if !response.is_a?(Net::HTTPOK) || response.content_type != 'text/html'

  document = Nokogiri.HTML(response.body)
  # <link rel="canonical"> takes priority over <meta property="og:url">
  replace_self(
    if (element = document.at_css('link[@rel="canonical"]'))
      self.class.parse(element['href'])
    elsif (element = document.at_css('meta[@property="og:url"]'))
      self.class.parse(element['content'])
    else
      response.uri
    end
  )

  # The spec allows the canonical link to be a relative URI
  replace_self(self.class.join(response.uri, self)) unless absolute?

  # Because you can't always trust sites to do things properly
  normalize!
end
fixup() click to toggle source
# File lib/addressable/uri/canon.rb, line 39
def fixup
  dup.fixup!
end
fixup!() click to toggle source
# File lib/addressable/uri/canon.rb, line 43
def fixup!
  normalize!
end