Pastable version of Create a Hash from XML using Hpricot

<pre class='prettyprint' language='ruby'>require 'hpricot'

class Parser

# converts a given soap response xml into a hash.
  def self.soap_response_to_hash(xml)
    xml = prepare_xml(xml)
    doc = Hpricot.XML(xml)
    root = doc.at(&quot;//return&quot;)
    xml_node_to_hash(root)
  end

private

# converts xml nodes into a hash. recursively calls
  # itself in case of nested xml nodes.
  def self.xml_node_to_hash(node)
    this_node = {}

node.each_child do |child|
      if child.children.nil?
        key, value = child.name, nil
      elsif child.children.size == 1 &amp;&amp; child.children.first.text?
        key, value = child.name, string_to_bool?(child.children.first.raw_string)
      else
        key, value = child.name, xml_node_to_hash(child)
      end

current = this_node[key]
      case current
        when Array:
          this_node[key] &lt;&lt; value
        when nil
          this_node[key] = value
        else
          this_node[key] = [current.dup, value]
      end
    end

this_node
  end

# removes line breaks and whitespace between xml nodes.
  def self.prepare_xml(xml)
    xml = xml.gsub(/\n+/, &quot;&quot;)
    xml = xml.gsub(/(&gt;)\s*(&lt;)/, '\1\2')
  end

# converts &quot;true&quot; and &quot;false&quot; to boolean values or
  # returns the given string otherwise.
  def self.string_to_bool?(string)
    return true if string == &quot;true&quot;
    return false if string == &quot;false&quot;
    string
  end

end

xml = '&lt;soap:Envelope xmlns:soap=&quot;http://schemas.xmlsoap.org/soap/envelope/&quot;&gt;
   &lt;soap:Body&gt;
      &lt;ns2:authenticateResponse xmlns:ns2=&quot;http://v1_0.ws.some.namespace/&quot;&gt;
         &lt;return&gt;
            &lt;authenticationValue&gt;
               &lt;orderToken&gt;dfgdfg-4356345-sdfsdf-2345234-234&lt;/orderToken&gt;
               &lt;tokenHash&gt;000111DDD888444777NNNZZZ555000&lt;/tokenHash&gt;
               &lt;client&gt;dude&lt;/client&gt;
            &lt;/authenticationValue&gt;
            &lt;success&gt;true&lt;/success&gt;
         &lt;/return&gt;
      &lt;/ns2:authenticateResponse&gt;
   &lt;/soap:Body&gt;
&lt;/soap:Envelope&gt;'

hash = Parser::soap_response_to_hash(xml)</pre>
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Pastable version of Create a Hash from XML using Hpricot