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 /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this file,

  * You can obtain one at http://mozilla.org/MPL/2.0/.

  *

  * The origin of this IDL file is

  * http://dom.spec.whatwg.org/#interface-nodefilter

  */

 callback interface NodeFilter {

   // Constants for acceptNode()

   const unsigned short FILTER_ACCEPT = 1;

   const unsigned short FILTER_REJECT = 2;

   const unsigned short FILTER_SKIP = 3;

   // Constants for whatToShow

   const unsigned long SHOW_ALL = 0xFFFFFFFF;

   const unsigned long SHOW_ELEMENT = 0x1;

   const unsigned long SHOW_ATTRIBUTE = 0x2; // historical

   const unsigned long SHOW_TEXT = 0x4;

   const unsigned long SHOW_CDATA_SECTION = 0x8; // historical

   const unsigned long SHOW_ENTITY_REFERENCE = 0x10; // historical

   const unsigned long SHOW_ENTITY = 0x20; // historical

   const unsigned long SHOW_PROCESSING_INSTRUCTION = 0x40;

   const unsigned long SHOW_COMMENT = 0x80;

   const unsigned long SHOW_DOCUMENT = 0x100;

   const unsigned long SHOW_DOCUMENT_TYPE = 0x200;

   const unsigned long SHOW_DOCUMENT_FRAGMENT = 0x400;

   const unsigned long SHOW_NOTATION = 0x800; // historical

   unsigned short acceptNode(Node node);

 };