class RubyXL::Hash

def self.from_xml(xml_io)
  begin
    result = Nokogiri::XML(xml_io)
    return { result.root.name.to_sym => xml_node_to_hash(result.root)}
  rescue Exception => e
    # raise your custom exception here
  end
end

def self.prepare(data)
  (data.class == String && data.to_i.to_s == data) ? data.to_i : data
end

def self.xml_node_to_hash(node)
  # If we are at the root of the document, start the hash
  if node.element?
    result_hash = {}
    if node.attributes != {}
      result_hash[:attributes] = {}
      node.attributes.keys.each do |key|
        result_hash[:attributes][node.attributes[key].name.to_sym] = prepare(node.attributes[key].value)
      end
    end
    if node.children.size > 0
      node.children.each do |child|
        result = xml_node_to_hash(child)
        if child.name == "text"
          unless child.next_sibling || child.previous_sibling
            return prepare(result)
          end
        elsif result_hash[child.name.to_sym]
          if result_hash[child.name.to_sym].is_a?(Object::Array)
            result_hash[child.name.to_sym] << prepare(result)
          else
            result_hash[child.name.to_sym] = [result_hash[child.name.to_sym]] << prepare(result)
          end
        else
          result_hash[child.name.to_sym] = prepare(result)
        end
      end
      return result_hash
    else
      return result_hash
    end
  else
    return prepare(node.content.to_s)
  end
end