Method: Nokogiri::XML::Node#dup

Defined in:
ext/nokogiri/xml_node.c

#dup ⇒ Object Also known as: clone

Copy this node. An optional depth may be passed in, but it defaults to a deep copy. 0 is a shallow copy, 1 is a deep copy.



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# File 'ext/nokogiri/xml_node.c', line 539

static VALUE duplicate_node(int argc, VALUE *argv, VALUE self)
{
  VALUE level;
  xmlNodePtr node, dup;

  if(rb_scan_args(argc, argv, "01", &level) == 0) {
    level = INT2NUM((long)1);
  }

  Data_Get_Struct(self, xmlNode, node);

  dup = xmlDocCopyNode(node, node->doc, (int)NUM2INT(level));
  if(dup == NULL) { return Qnil; }

  nokogiri_root_node(dup);

  return Nokogiri_wrap_xml_node(rb_obj_class(self), dup);
}