Top Level Namespace

Defined Under Namespace

Modules: XRDSUtil, XRI Classes: Discovery, HTMLComment, HTMLTag, HTMLText, HTMLToken, HTMLTokenizer, NetHTTPFetcher, ServiceEndpoint, TC_TestHTMLTokenizer, XRDS, YADIS, YADISHTTPError, YADISParseError, YadisServiceManager

Constant Summary collapse

XRI_AUTHORITIES =

The ‘(’ is for cross-reference authorities, and hopefully has a matching ‘)’ somewhere.

["!", "=", "@", "+", "$", "("]

Instance Method Summary collapse

Instance Method Details

#html_yadis_location(html) ⇒ Object 



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# File 'lib/yadis/parsehtml.rb', line 3

def html_yadis_location(html)
  parser = HTMLTokenizer.new(html)

  # to keep track of whether or not we are in the head element
  in_head = false

  begin
    while el = parser.getTag('head', '/head', 'meta', 'body')
      
      # we are leaving head or have reached body, so we bail
      return nil if ['/head', 'body'].member?(el.tag_name)

      # meta needs to be in head, so we mark it
      in_head = true if el.tag_name == 'head'
      continue unless in_head

      if el.tag_name == 'meta' and (equiv = el.attr_hash['http-equiv'])
        if ['x-xrds-location','x-yadis-location'].member?(equiv.downcase)
          return el.attr_hash['content']
        end
      end
      
    end
  rescue
    return nil
  end

end