complete

# File lib/rdoc/ri/driver.rb, line 629
  def complete name
    klasses = classes.keys
    completions = []

    klass, selector, method = parse_name name

    # may need to include Foo when given Foo::
    klass_name = method ? name : klass

    if name !~ /#|\./ then
      completions = klasses.grep(/^#{Regexp.escape klass_name}[^:]*$/)
      completions.concat klasses.grep(/^#{Regexp.escape name}[^:]*$/) if
        name =~ /::$/

      completions << klass if classes.key? klass # to complete a method name
    elsif selector then
      completions << klass if classes.key? klass
    elsif classes.key? klass_name then
      completions << klass_name
    end

    if completions.include? klass and name =~ /#|\.|::/ then
      methods = list_methods_matching name

      if not methods.empty? then
        # remove Foo if given Foo:: and a method was found
        completions.delete klass
      elsif selector then
        # replace Foo with Foo:: as given
        completions.delete klass
        completions << "#{klass}#{selector}"
      end

      completions.push(*methods)
    end

    completions.sort.uniq
  end