1 /*
   2  * Copyright 2004-2005 Sun Microsystems, Inc.  All Rights Reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Sun designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Sun in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  22  * CA 95054 USA or visit www.sun.com if you need additional information or
  23  * have any questions.
  24  */
  25 
  26 package com.sun.tools.apt.mirror.util;
  27 
  28 
  29 import java.io.File;
  30 import javax.tools.JavaFileObject;
  31 
  32 import com.sun.mirror.util.SourcePosition;
  33 import com.sun.tools.javac.util.Position;
  34 
  35 
  36 /**
  37  * Implementation of SourcePosition
  38  */
  39 @SuppressWarnings("deprecation")
  40 public class SourcePositionImpl implements SourcePosition {
  41 
  42     private JavaFileObject sourcefile;
  43     private int pos;            // file position, in javac's internal format
  44     private Position.LineMap linemap;
  45 
  46 
  47     public SourcePositionImpl(JavaFileObject sourcefile, int pos, Position.LineMap linemap) {
  48         this.sourcefile = sourcefile;
  49         this.pos = pos;
  50         this.linemap = linemap;
  51         assert sourcefile != null;
  52         assert linemap != null;
  53     }
  54 
  55     public int getJavacPosition() {
  56         return pos;
  57     }
  58 
  59     public JavaFileObject getSource() {
  60         return sourcefile;
  61     }
  62 
  63     /**
  64      * Returns a string representation of this position in the
  65      * form "sourcefile:line", or "sourcefile" if no line number is available.
  66      */
  67     public String toString() {
  68         int ln = line();
  69         return (ln == Position.NOPOS)
  70                 ? sourcefile.toString()
  71                 : sourcefile + ":" + ln;
  72     }
  73 
  74     /**
  75      * {@inheritDoc}
  76      */
  77     public File file() {
  78         return new File(sourcefile.toString());
  79     }
  80 
  81     /**
  82      * {@inheritDoc}
  83      */
  84     public int line() {
  85         return linemap.getLineNumber(pos);
  86     }
  87 
  88     /**
  89      * {@inheritDoc}
  90      */
  91     public int column() {
  92         return linemap.getColumnNumber(pos);
  93     }
  94 }