def self.parse string_or_io, url = nil, encoding = nil, options = ParseOptions::DEFAULT_XML, &block
options = Nokogiri::XML::ParseOptions.new(options) if Fixnum === options
yield options if block_given?
doc = if string_or_io.respond_to?(:read)
url ||= string_or_io.respond_to?(:path) ? string_or_io.path : nil
read_io(string_or_io, url, encoding, options.to_i)
else
return new if string_or_io.nil? or string_or_io.empty?
read_memory(string_or_io, url, encoding, options.to_i)
end
doc.do_xinclude(options) if options.xinclude?
return doc
end