builds an element hash from a nokogiri xml doc with "-n" (n = counter) added to the name

# Converting Nokogiri parsed XML to_hash
# adds "-2", "-3", etc to the key in case of multiple items
# only elements

module Extensions
  module Document
    def to_hash
      root.to_hash
    end
  end

  module Node
    def to_hash
      iterator = lambda do |node, hash_|
        counter = 1
        node.children.each do |child|
          name = child.name
          counter += 1 if hash_[name]
          name += "-#{counter.to_s}" unless counter == 1
          if child.child
            hash_[name] = {}
            iterator.call(child, hash_[name])
          else
            hash_[name] = child.text
          end
        end
      end
      hash = {}
      iterator.call(self, hash)
      hash   
    end
  end
end

Nokogiri::XML::Document.send(:include, Extensions::Document)
Nokogiri::XML::Node.send(:include, Extensions::Node)