Method: Atom::Element#append_elem

Defined in:
lib/atom/element.rb

#append_elem(root, ns, name) ⇒ Object

appends an element named ‘name’ in namespace ‘ns’ to ‘root’ ns is either [prefix, namespace] or just a String containing the namespace



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# File 'lib/atom/element.rb', line 530

def append_elem(root, ns, name)
  if ns.is_a? Array
    prefix, uri = ns
  else
    prefix, uri = nil, ns
  end

  name = name.to_s

  existing_prefix = root.namespaces.find do |k,v|
    v == uri
  end

  root << if existing_prefix
            prefix = existing_prefix[0]

            if prefix != 'xmlns'
              name = prefix + ':' + name
            end

            REXML::Element.new(name)
          elsif prefix
            e = REXML::Element.new(prefix + ':' + name)
            e.add_namespace(prefix, uri)
            e
          else
            e = REXML::Element.new(name)
            e.add_namespace(uri)
            e
          end
end