ASCIIDecoder

CanDecodePart DoSeekReader InvertingEncoder

Attributes

DecoderPrecedence

Fields

instance ASCIIDecoder tag;
         target: nilObject;
   readerBuffer: nilObject;
          start: 0;
    lowPosition: 0;
   highPosition: 0;
currentPosition: 0;
         closed: false;
       seekable: false;
   intermittent: false;
 contentDecoder: nilObject;
end instance;

Define Class ASCIIDecoder;
    inherits from Object;
    inherits from Stream, Reader;
    inherits from PartDecoder;
    inherits from TextPartDecoder;

    overrides DoSeekReader;
        // fills the buffer with 16-bit chars extended from 8-bit chars in the target stream

    overrides CanDecodePart;
        // handles text with no charset, or charset=US-ASCII
        // handles parts with no declared type
    overrides DecoderPrecedence;
        // returns 0x40000000 so this will be the decoder of last resort
    overrides InvertingEncoder;
        // returns an ASCIIEncoder
end class;