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      1 /* Copyright (C) 2003 Vladimir Roubtsov. All rights reserved.
      2  *
      3  * This program and the accompanying materials are made available under
      4  * the terms of the Common Public License v1.0 which accompanies this distribution,
      5  * and is available at http://www.eclipse.org/legal/cpl-v10.html
      6  *
      7  * $Id: SourceFileAttribute_info.java,v 1.1.1.1 2004/05/09 16:57:48 vlad_r Exp $
      8  */
      9 package com.vladium.jcd.cls.attribute;
     10 
     11 import java.io.IOException;
     12 
     13 import com.vladium.jcd.cls.ClassDef;
     14 import com.vladium.jcd.cls.constant.CONSTANT_Utf8_info;
     15 import com.vladium.jcd.lib.UDataInputStream;
     16 import com.vladium.jcd.lib.UDataOutputStream;
     17 
     18 // ----------------------------------------------------------------------------
     19 /**
     20  *
     21  * @author (C) 2001, Vlad Roubtsov
     22  */
     23 public
     24 final class SourceFileAttribute_info extends Attribute_info
     25 {
     26     // public: ................................................................
     27 
     28 
     29     public int m_sourcefile_index;
     30 
     31 
     32     public SourceFileAttribute_info (final int attribute_name_index)
     33     {
     34         super (attribute_name_index, 0);
     35     }
     36 
     37 
     38     public long length ()
     39     {
     40         return 8;
     41     }
     42 
     43     public CONSTANT_Utf8_info getSourceFile (final ClassDef cls)
     44     {
     45         return (CONSTANT_Utf8_info) cls.getConstants ().get (m_sourcefile_index);
     46     }
     47 
     48     // Visitor:
     49 
     50     public void accept (final IAttributeVisitor visitor, final Object ctx)
     51     {
     52         visitor.visit (this, ctx);
     53     }
     54 
     55     public String toString ()
     56     {
     57         return "SourceFileAttribute_info: [attribute_name_index = " + m_name_index + ", attribute_length = " + m_attribute_length + ']';
     58     }
     59 
     60     // Cloneable:
     61 
     62     /**
     63      * Performs a deep copy.
     64      */
     65     public Object clone ()
     66     {
     67         return super.clone ();
     68     }
     69 
     70     // IClassFormatOutput:
     71 
     72     public void writeInClassFormat (final UDataOutputStream out) throws IOException
     73     {
     74         super.writeInClassFormat (out);
     75 
     76         out.writeU2 (m_sourcefile_index);
     77     }
     78 
     79     // protected: .............................................................
     80 
     81     // package: ...............................................................
     82 
     83 
     84     SourceFileAttribute_info (final int attribute_name_index, final long attribute_length,
     85                               final UDataInputStream bytes)
     86         throws IOException
     87     {
     88         super (attribute_name_index, attribute_length);
     89 
     90         m_sourcefile_index = bytes.readU2 ();
     91     }
     92 
     93     // private: ...............................................................
     94 
     95 } // end of class
     96 // ----------------------------------------------------------------------------
     97 
     98