Method: HTree::Elem#get_subnode_internal

Defined in:
lib/htree/elem.rb

#get_subnode_internal(index) ⇒ Object

:nodoc:



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# File 'lib/htree/elem.rb', line 114

def get_subnode_internal(index) # :nodoc:
  case index
  when String
    name = Name.parse_attribute_name(index, DefaultContext)
    update_attribute_hash[name.universal_name]
  when Name
    update_attribute_hash[index.universal_name]
  when Integer
    if index < 0 || @children.length <= index
      nil
    else
      @children[index]
    end
  else
    raise TypeError, "invalid index: #{index.inspect}"
  end
end