Class: InformationCard::XmlCanonicalizer

Inherits:
Object
  • Object
show all
Defined in:
lib/vendor/information_card/xml_canonicalizer.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ XmlCanonicalizer

Returns a new instance of XmlCanonicalizer.



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# File 'lib/vendor/information_card/xml_canonicalizer.rb', line 7

def initialize
  @canonicalized_xml = ''
end

Instance Method Details

#canonicalize(element) ⇒ Object 



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# File 'lib/vendor/information_card/xml_canonicalizer.rb', line 11

def canonicalize(element)
  document = REXML::Document.new(element.to_s)
  
  #TODO: Do we need this check?
  if element.instance_of?(REXML::Element)
    namespace = element.namespace(element.prefix)
    if not namespace.empty?
      if not element.prefix.empty?
        document.root.add_namespace(element.prefix, namespace)            
      else
        document.root.add_namespace(namespace)            
      end 
    end
  end
  
  document.each_child{ |node| write_node(node, nil) } 
           
  @canonicalized_xml.strip
end