module RubyXL::OOXMLObjectClassMethods

def accessorize(str)
  acc = str.to_s.dup
  acc.gsub!(/([A-Z\d]+)([A-Z][a-z])/,'\1_\2')
  acc.gsub!(/([a-z\d])([A-Z])/,'\1_\2')
  acc.gsub!(':','_')
  acc.downcase.to_sym
end