new

# File lib/rdoc/ri/driver.rb, line 303
  def initialize(initial_options={})
    options = self.class.default_options.update(initial_options)

    @names = options[:names]
    @class_cache_name = 'classes'

    @doc_dirs = RDoc::RI::Paths.path(options[:use_system],
                                     options[:use_site],
                                     options[:use_home],
                                     options[:use_gems],
                                     options[:extra_doc_dirs])

    @homepath = RDoc::RI::Paths.raw_path(false, false, true, false).first
    @homepath = @homepath.sub(/\.rdoc/, '.ri')
    @sys_dir = RDoc::RI::Paths.raw_path(true, false, false, false).first
    @list_doc_dirs = options[:list_doc_dirs]

    FileUtils.mkdir_p cache_file_path unless File.directory? cache_file_path
    @cache_doc_dirs_path = File.join cache_file_path, ".doc_dirs"

    @use_cache = options[:use_cache]
    @class_cache = nil

    @interactive = options[:interactive]
    @display = RDoc::RI::DefaultDisplay.new(options[:formatter],
                                            options[:width],
                                            options[:use_stdout])
  end