Method: Nokogiri::XML::Node#line=

Defined in:
ext/nokogiri/xml_node.c

#line=(num) ⇒ Object

Sets the line for this Node. num must be less than 65535.

[View source]

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# File 'ext/nokogiri/xml_node.c', line 2055

static VALUE
rb_xml_node_line_set(VALUE rb_node, VALUE rb_line_number)
{
  xmlNodePtr c_node;
  int line_number = NUM2INT(rb_line_number);

  Noko_Node_Get_Struct(rb_node, xmlNode, c_node);

  // libxml2 optionally uses xmlNode.psvi to store longer line numbers, but only for text nodes.
  // search for "psvi" in SAX2.c and tree.c to learn more.
  if (line_number < 65535) {
    c_node->line = (short unsigned)line_number;
  } else {
    c_node->line = 65535;
    if (c_node->type == XML_TEXT_NODE) {
      c_node->psvi = (void *)(ptrdiff_t)line_number;
    }
  }

  return rb_line_number;
}