Mail::ContentTransferEncodingElement

    # File lib/mail/elements/content_transfer_encoding_element.rb, line 7
 7:     def initialize( string )
 8:       parser = Mail::ContentTransferEncodingParser.new
 9:       case
10:       when string.blank?
11:         @encoding = ''
12:       when tree = parser.parse(string.to_s.downcase)
13:         @encoding = tree.encoding.text_value
14:       else
15:         raise Mail::Field::ParseError, "ContentTransferEncodingElement can not parse |#{string}|\nReason was: #{parser.failure_reason}\n"
16:       end
17:     end

    # File lib/mail/elements/content_transfer_encoding_element.rb, line 19
19:     def encoding
20:       @encoding
21:     end