Class: Loofah::Scrubbers::Prune

Inherits:

Loofah::Scrubber

• Object
• Loofah::Scrubber
• Loofah::Scrubbers::Prune

Defined in:

lib/loofah/scrubbers.rb

Overview

scrub!(:prune)

+:prune+ removes unknown/unsafe tags and their contents (including their subtrees):

   unsafe_html = "ohai! <div>div is safe</div> <foo>but foo is <b>not</b></foo>"
   Loofah.fragment(unsafe_html).scrub!(:prune)
   => "ohai! <div>div is safe</div> "

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

• #initialize ⇒ Prune constructor

  A new instance of Prune.

• #scrub(node) ⇒ Object

Methods inherited from Loofah::Scrubber

#append_attribute, #traverse

Constructor Details

#initialize ⇒ Prune

Returns a new instance of Prune.

# File 'lib/loofah/scrubbers.rb', line 123

def initialize
  @direction = :top_down
end

Instance Method Details

#scrub(node) ⇒ Object

# File 'lib/loofah/scrubbers.rb', line 127

def scrub(node)
  return CONTINUE if html5lib_sanitize(node) == CONTINUE
  node.remove
  return STOP
end