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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * This file is available under and governed by the GNU General Public
 * License version 2 only, as published by the Free Software Foundation.
 * However, the following notice accompanied the original version of this
 * file and, per its terms, should not be removed:
 *
 * Copyright (c) 2004 World Wide Web Consortium,
 *
 * (Massachusetts Institute of Technology, European Research Consortium for
 * Informatics and Mathematics, Keio University). All Rights Reserved. This
 * work is distributed under the W3C(r) Software License [1] 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.
 *
 * [1] http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231
 */

package org.w3c.dom;

/**
 * DOMLocator is an interface that describes a location (e.g.
 * where an error occurred).
 * See also the Document Object Model (DOM) Level 3 Core Specification.
 * @since 1.5, DOM Level 3
 */
public interface DOMLocator {
    /**
     * The line number this locator is pointing to, or -1 if
     * there is no column number available.
     */
    public int getLineNumber();

    /**
     * The column number this locator is pointing to, or -1 if
     * there is no column number available.
     */
    public int getColumnNumber();

    /**
     * The byte offset into the input source this locator is pointing to or
     * -1 if there is no byte offset available.
     */
    public int getByteOffset();

    /**
     * The UTF-16, as defined in [Unicode] and Amendment 1 of [ISO/IEC 10646], offset into the input source this locator is pointing to or
     * -1 if there is no UTF-16 offset available.
     */
    public int getUtf16Offset();

    /**
     * The node this locator is pointing to, or null if no node
     * is available.
     */
    public Node getRelatedNode();

    /**
     * The URI this locator is pointing to, or null if no URI is
     * available.
     */
    public String getUri();

}