/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.xerces.dom;

import org.w3c.dom.DOMLocator;
import org.w3c.dom.Node;


/**
 * <code>DOMLocatorImpl</code> is an implementaion that describes a location (e.g. 
 * where an error occured).
 * <p>See also the <a href='http://www.w3.org/TR/2001/WD-DOM-Level-3-Core-20010913'>Document Object Model (DOM) Level 3 Core Specification</a>.
 * 
 * @xerces.internal
 *
 * @author Gopal Sharma, SUN Microsystems Inc.
 * @version $Id: DOMLocatorImpl.java 447266 2006-09-18 05:57:49Z mrglavas $
 */
 
public class DOMLocatorImpl implements DOMLocator {

    //
    // Data
    //

   /**
    * The column number where the error occured, 
    * or -1 if there is no column number available.
    */
   public int fColumnNumber = -1;

   /**
    * The line number where the error occured, 
    * or -1 if there is no line number available.
    */
   public int fLineNumber = -1;

   /** related data node*/
   public Node fRelatedNode = null;

   /**
    * The URI where the error occured, 
    * or null if there is no URI available.
    */
   public String fUri = null;

   /**
    * The byte offset into the input source this locator is pointing to or -1 
    * if there is no byte offset available
    */
   public int fByteOffset = -1;
   
   /**
    * 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 fUtf16Offset = -1;
           
   //
   // Constructors
   //

   public DOMLocatorImpl(){
   }

   public DOMLocatorImpl (int lineNumber, int columnNumber, String uri ){
	fLineNumber = lineNumber ;
	fColumnNumber = columnNumber ;
	fUri = uri;
   } // DOMLocatorImpl (int lineNumber, int columnNumber, String uri )
   
   public DOMLocatorImpl (int lineNumber, int columnNumber, int utf16Offset, String uri ){
	fLineNumber = lineNumber ;
	fColumnNumber = columnNumber ;
	fUri = uri;
	fUtf16Offset = utf16Offset;
   } // DOMLocatorImpl (int lineNumber, int columnNumber, int utf16Offset, String uri )

   public DOMLocatorImpl (int lineNumber, int columnNumber, int byteoffset, Node relatedData, String uri ){
	fLineNumber = lineNumber ;
	fColumnNumber = columnNumber ;
	fByteOffset = byteoffset ;
	fRelatedNode = relatedData ;
	fUri = uri;
   } // DOMLocatorImpl (int lineNumber, int columnNumber, int offset, Node errorNode, String uri )

   public DOMLocatorImpl (int lineNumber, int columnNumber, int byteoffset, Node relatedData, String uri, int utf16Offset ){
	fLineNumber = lineNumber ;
	fColumnNumber = columnNumber ;
	fByteOffset = byteoffset ;
	fRelatedNode = relatedData ;
	fUri = uri;
	fUtf16Offset = utf16Offset;
   } // DOMLocatorImpl (int lineNumber, int columnNumber, int offset, Node errorNode, String uri )


  /**
   * The line number where the error occured, or -1 if there is no line 
   * number available.
   */
   public int getLineNumber(){
 	return fLineNumber;
   }

  /**
   * The column number where the error occured, or -1 if there is no column 
   * number available.
   */
  public int getColumnNumber(){
	return fColumnNumber;
  }


  /**
   * The URI where the error occured, or null if there is no URI available.
   */
  public String getUri(){
	return fUri;
  }


  public Node getRelatedNode(){
    return fRelatedNode;
  }
  

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

  /**
   * 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(){
	return fUtf16Offset;
  }

}// class DOMLocatorImpl
