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/*

 * 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;

/**

 * <code>DOMLocator</code> is an interface that describes a location (e.g.

 * where an error occurred).

 * <p>See also the <a href='http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407'>Document Object Model (DOM) Level 3 Core Specification</a>.

 * @since DOM Level 3

 */

public interface DOMLocator {

    /**

     * The line number this locator is pointing to, or <code>-1</code> if

     * there is no column number available.

     */

    public int getLineNumber();

    /**

     * The column number this locator is pointing to, or <code>-1</code> if

     * there is no column number available.

     */

    public int getColumnNumber();

    /**

     * The byte offset into the input source this locator is pointing to or

     * <code>-1</code> 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

     * <code>-1</code> if there is no UTF-16 offset available.

     */

    public int getUtf16Offset();

    /**

     * The node this locator is pointing to, or <code>null</code> if no node

     * is available.

     */

    public Node getRelatedNode();

    /**

     * The URI this locator is pointing to, or <code>null</code> if no URI is

     * available.

     */

    public String getUri();

}