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    1   /*   Copyright 2004 The Apache Software Foundation
    2    *
    3    *   Licensed under the Apache License, Version 2.0 (the "License");
    4    *   you may not use this file except in compliance with the License.
    5    *   You may obtain a copy of the License at
    6    *
    7    *       http://www.apache.org/licenses/LICENSE-2.0
    8    *
    9    *   Unless required by applicable law or agreed to in writing, software
   10    *   distributed under the License is distributed on an "AS IS" BASIS,
   11    *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   12    *   See the License for the specific language governing permissions and
   13    *  limitations under the License.
   14    */
   15   
   16   package org.apache.xmlbeans;
   17   
   18   import org.apache.xmlbeans.XmlCursor.XmlBookmark;
   19   
   20   /**
   21    * A subclass of XmlBookmark that holds line number information.
   22    * If a document is parsed with line numbers
   23    * enabled, these bookmarks will be placed at appropriate locations
   24    * within the document.
   25    * 
   26    * @see XmlOptions#setLoadLineNumbers 
   27    */
   28   public class XmlLineNumber extends XmlBookmark
   29   {
   30       /**
   31        * Constructs a line number with no column or offset information.
   32        * @param line the line number - the first line is 1
   33        */ 
   34       public XmlLineNumber ( int line ) { this( line, -1, -1 ); }
   35       
   36       /**
   37        * Constructs a line number and column with no file offset information.
   38        * @param line the line number - the first line is 1
   39        * @param line the column number - the first column is 1
   40        */
   41       public XmlLineNumber ( int line, int column ) { this( line, column, -1 ); }
   42       
   43       /**
   44        * Constructs a line number and column with no file offset information.
   45        * @param line the line number - the first line is 1
   46        * @param line the column number - the first column is 1
   47        * @param line the file character offset - the first character in the file is 0
   48        */
   49       public XmlLineNumber ( int line, int column, int offset )
   50       {
   51           super( false );
   52           
   53           _line = line;
   54           _column = column;
   55           _offset = offset;
   56       }
   57       
   58       /**
   59        * Returns the 1-based line number, or -1 if not known.
   60        */ 
   61       public int getLine   ( ) { return _line;   }
   62       
   63       /**
   64        * Returns the 1-based column number, or -1 if not known.
   65        */ 
   66       public int getColumn ( ) { return _column; }
   67       
   68       /**
   69        * Returns the 0-based file offset number, or -1 if not known.
   70        */ 
   71       public int getOffset ( ) { return _offset; }
   72   
   73       private int _line, _column, _offset;
   74   }

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