Class: ReadlineNonblock Private

Inherits:
Object show all
Defined in:
readline_nonblock.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.

Class Method Summary collapse

Class Method Details

.read(io) ⇒ 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:

  • io (IO)

Returns:



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# File 'readline_nonblock.rb', line 6

def self.read(io)
  line = +""
  buffer = +""

  begin
    loop do
      break if buffer == $INPUT_RECORD_SEPARATOR

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

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

    line.freeze
  end
end