Class: AnsiControlSequenceInterpretingStream (private in FilteringLineStream

• Inheritance
• Description
• Class protocol
  • instance creation
• Instance protocol
  • initialization
  • processing

Inheritance:

   Object
   |
   +--Stream
      |
      +--PeekableStream
         |
         +--FilteringStream
            |
            +--FilteringLineStream
               |
               +--FilteringLineStream::AnsiControlSequenceInterpretingStream

Package:

stx:libbasic2

Category:

Streams-Misc

Owner:

FilteringLineStream

Description:

a Q&D hack of a stream which interprets ANSI color rendition sequences
(to forward a program's output to the Transcript(

Class protocol:

 new

(comment from inherited method)
create and return a new filteringStream.
The resulting stream must be connected to some other stream,
before being used

Instance protocol:

 initialize

(comment from inherited method)
just to ignore initialize to objects which do not need it

 applyColorTo: outStream

outStream emphasis:{#color->Color yellow darkened }.

 interpretAnsiSequencesInline: line

|s|
s := AnsiControlSequenceInterpretingStream new.
s outputStream:Transcript.
s nextPutLine:c'\e[90maaa\e[90mbbbb'.
s nextPutLine:c'\e[90maaa\e[90mbbbb'.