Method: Nokogiri::XML::Node#dup

Defined in:
ext/nokogiri/xml_node.c

#dup(*args) ⇒ Object Also known as: clone

:call-seq:

dup → Nokogiri::XML::Node
dup(depth) → Nokogiri::XML::Node
dup(depth, new_parent_doc) → Nokogiri::XML::Node

Copy this node.

Parameters

  • depth 0 is a shallow copy, 1 (the default) is a deep copy.

  • new_parent_doc The new node’s parent Document. Defaults to the this node’s document.

Returns

The new Nokogiri::XML::Node



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# File 'ext/nokogiri/xml_node.c', line 966

static VALUE
duplicate_node(int argc, VALUE *argv, VALUE self)
{
  VALUE r_level, r_new_parent_doc;
  int level;
  int n_args;
  xmlDocPtr new_parent_doc;
  xmlNodePtr node, dup;

  Noko_Node_Get_Struct(self, xmlNode, node);

  n_args = rb_scan_args(argc, argv, "02", &r_level, &r_new_parent_doc);

  if (n_args < 1) {
    r_level = INT2NUM((long)1);
  }
  level = (int)NUM2INT(r_level);

  if (n_args < 2) {
    new_parent_doc = node->doc;
  } else {
    new_parent_doc = noko_xml_document_unwrap(r_new_parent_doc);
  }

  dup = xmlDocCopyNode(node, new_parent_doc, level);
  if (dup == NULL) { return Qnil; }

  noko_xml_document_pin_node(dup);

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