/*
 * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
 * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

[
    IsWeakCallback,
] 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 = 0x00000001;
    const unsigned long SHOW_ATTRIBUTE = 0x00000002;
    const unsigned long SHOW_TEXT = 0x00000004;
    const unsigned long SHOW_CDATA_SECTION = 0x00000008;
    const unsigned long SHOW_ENTITY_REFERENCE = 0x00000010; // Historical.
    const unsigned long SHOW_ENTITY = 0x00000020; // Historical.
    const unsigned long SHOW_PROCESSING_INSTRUCTION = 0x00000040;
    const unsigned long SHOW_COMMENT = 0x00000080;
    const unsigned long SHOW_DOCUMENT = 0x00000100;
    const unsigned long SHOW_DOCUMENT_TYPE = 0x00000200;
    const unsigned long SHOW_DOCUMENT_FRAGMENT = 0x00000400;
    const unsigned long SHOW_NOTATION = 0x00000800; // Historical.

    [SkipCallbackInvokeCheck, RethrowException] unsigned short acceptNode(Node node);
};