Class: IO Private

Inherits:
Object show all
Defined in:
extend/io.rb

This class is part of a private API. This class may only be used in the Homebrew/brew repository. Third parties should avoid using this class if possible, as it may be removed or changed without warning.

Instance Method Summary collapse

Instance Method Details

#readline_nonblock(sep = $INPUT_RECORD_SEPARATOR) ⇒ String

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Parameters:

  • sep (String) (defaults to: $INPUT_RECORD_SEPARATOR)

Returns:



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# File 'extend/io.rb', line 6

def readline_nonblock(sep = $INPUT_RECORD_SEPARATOR)
  line = +""
  buffer = +""

  begin
    loop do
      break if buffer == sep

      read_nonblock(1, buffer)
      line.concat(buffer)
    end

    line.freeze
  rescue IO::WaitReadable, EOFError
    raise if line.empty?

    line.freeze
  end
end