lib/nokogiri/xml/dtd.rb
# frozen_string_literal: true
module Nokogiri
module XML
class DTD < Nokogiri::XML::Node
undef_method :attribute_nodes
undef_method :values
undef_method :content
undef_method :namespace
undef_method :namespace_definitions
undef_method :line if method_defined?(:line)
def keys
attributes.keys
end
def each
attributes.each do |key, value|
yield([key, value])
end
end
def html_dtd?
name.casecmp("html").zero?
end
def html5_dtd?
html_dtd? &&
external_id.nil? &&
(system_id.nil? || system_id == "about:legacy-compat")
end
end
end
end