gistfile1.rb

# Extend the Array class with a to_h method
class Array
  def to_h
    Hash[*self]
  end
end

# Extend rexml/document to create a Ruby hash from xml
class REXML::Document

  def record(xpath)
    self.root.elements.each(xpath + '/*'){}.inject([]) do |r,node|
      r << node.name.to_s << node.text.to_s
    end.to_h
  end

  def records(xpath)
    self.root.elements.each(xpath){}.map do |row|
      row.elements.each{}.inject([]) do |r,node|
        r << node.name.to_s << node.text.to_s
      end.to_h
    end
  end

end

# Fetch the Survey document
doc = REXML::Document.new(RestClient.get BASE_URI + '&cmd=sgGetSurvey')
questions = doc.records('//apiResults/surveydata/pages/page/questions/question')