Class: Loofah::Scrubbers::NoFollow

Inherits:

Loofah::Scrubber

• Object
• Loofah::Scrubber
• Loofah::Scrubbers::NoFollow

show all

Defined in:

lib/loofah/scrubbers.rb

Overview

+:nofollow+ adds a rel="nofollow" attribute to all links

   link_farmers_markup = "ohai! <a href='http://www.myswarmysite.com/'>I like your blog post</a>"
   Loofah.fragment(link_farmers_markup).scrub!(:nofollow)
   => "ohai! <a href='http://www.myswarmysite.com/' rel="nofollow">I like your blog post</a>"

Constant Summary

Constant Summary

Constants inherited from Loofah::Scrubber

Loofah::Scrubber::CONTINUE, Loofah::Scrubber::STOP

Instance Attribute Summary

Attributes inherited from Loofah::Scrubber

#block, #direction

Instance Method Summary (collapse)

• - (NoFollow) initialize constructor

  A new instance of NoFollow.

• - (Object) scrub(node)

Methods inherited from Loofah::Scrubber

#traverse

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# File 'lib/loofah/scrubbers.rb', line 174

def initialize
  @direction = :top_down
end

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# File 'lib/loofah/scrubbers.rb', line 178

def scrub(node)
  return CONTINUE unless (node.type == Nokogiri::XML::Node::ELEMENT_NODE) && (node.name == 'a')
  node.set_attribute('rel', 'nofollow')
  return STOP        
end