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# File 'lib/active_support/core_ext/hash/conversions.rb', line 30
def to_xml(options = {})
options[:indent] ||= 2
options.reverse_merge!({ :builder => Builder::XmlMarkup.new(:indent => options[:indent]),
:root => "hash" })
options[:builder].instruct! unless options.delete(:skip_instruct)
dasherize = !options.has_key?(:dasherize) || options[:dasherize]
root = dasherize ? options[:root].to_s.dasherize : options[:root].to_s
options[:builder].__send__(:method_missing, root) do
each do |key, value|
case value
when ::Hash
value.to_xml(options.merge({ :root => key, :skip_instruct => true }))
when ::Array
value.to_xml(options.merge({ :root => key, :children => key.to_s.singularize, :skip_instruct => true}))
when ::Method, ::Proc
if 1 == value.arity
value.call(options.merge({ :root => key, :skip_instruct => true }))
else
value.call(options.merge({ :root => key, :skip_instruct => true }), key.to_s.singularize)
end
else
if value.respond_to?(:to_xml)
value.to_xml(options.merge({ :root => key, :skip_instruct => true }))
else
type_name = XML_TYPE_NAMES[value.class.name]
key = dasherize ? key.to_s.dasherize : key.to_s
attributes = options[:skip_types] || value.nil? || type_name.nil? ? { } : { :type => type_name }
if value.nil?
attributes[:nil] = true
end
options[:builder].tag!(key,
XML_FORMATTING[type_name] ? XML_FORMATTING[type_name].call(value) : value,
attributes
)
end
end
end
end
end
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