Class: Foruiman::ANSI::Decoder

Inherits:
Object
  • Object
show all
Defined in:
lib/foruiman/ansi.rb

Overview

Screen controls are discarded. Output may opt into horizontal line editing controls, which it interprets before storing or displaying any records.

Instance Method Summary collapse

Constructor Details

#initialize(line_controls: false) ⇒ Decoder

Returns a new instance of Decoder.



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# File 'lib/foruiman/ansi.rb', line 69

def initialize(line_controls: false)
  @line_controls = line_controls
  @state = :text
  @escape = +""
  @pending = +"".b
end

Instance Method Details

#feed(bytes, eof: false) ⇒ Object 



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# File 'lib/foruiman/ansi.rb', line 76

def feed(bytes, eof: false)
  output = +"".b
  bytes.each_byte { |byte| consume(byte, output) }
  output = @pending + output
  @pending = +"".b
  unless eof
    length = incomplete_suffix(output)
    @pending = output.slice!(-length, length) if length.positive?
  end
  output.force_encoding(Encoding::UTF_8).scrub.delete("\u0080-\u009f")
end