code: def _decode(self):
          
  
          s = self._encoded_value
          elements = s.replace('~', '').split('!')
          dec_elements = []
  
          for elem in elements:
              result = []
              idx = 0
              while (idx < len(elem)):
                  # Get the idx'th character of s
                  c = elem[idx]
  
                  if (c in CPEComponent1_1.NON_STANDARD_VALUES):
                      # Escape character
                      result.append("\\")
                      result.append(c)
                  else:
                      # Do nothing
                      result.append(c)
  
                  idx += 1
              dec_elements.append("".join(result))
  
          self._standard_value = dec_elements
docs: Convert the encoded value of component to standard value (WFN value).