def to_hash(hash = {})
hash[name] ||= attributes_as_hash
walker = lambda { |memo, parent, child, callback|
next if child.blank? && 'file' != parent['type']
if child.text?
(memo[CONTENT_ROOT] ||= '') << child.content
next
end
name = child.name
child_hash = child.attributes_as_hash
if memo[name]
memo[name] = [memo[name]].flatten
memo[name] << child_hash
else
memo[name] = child_hash
end
child.children.each { |c|
callback.call(child_hash, child, c, callback)
}
}
children.each { |c| walker.call(hash[name], self, c, walker) }
hash
end