# File lib/marc/xmlreader.rb, line 44 def initialize(file, options = {}) if file.is_a?(String) handle = File.new(file) elsif file.respond_to?("read", 5) handle = file else throw "must pass in path or File" end @handle = handle if options[:parser] parser = self.class.choose_parser(options[:parser].to_s) else parser = @@parser end case parser when 'magic' then extend MagicReader when 'rexml' then extend REXMLReader when 'jrexml' then extend JREXMLReader when 'nokogiri' then extend NokogiriReader end end