Method: Antlr4::Runtime::CodePointCharStream#text

Defined in:
lib/antlr4/runtime/code_point_char_stream.rb

#text(interval) ⇒ Object 



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# File 'lib/antlr4/runtime/code_point_char_stream.rb', line 13

def text(interval)
  start_idx = [interval.a, @size].min
  len = [interval.b - interval.a + 1, @size - start_idx].min

  # We know the maximum code point in byte_array is U+00FF,
  # so we can treat this as if it were ISO-8859-1, aka Latin-1,
  # which shares the same code points up to 0xFF.
  chars = @byte_array.slice(start_idx, len)
  result = ''
  chars.each do |c|
    result << c
  end
  result
end