archive/net.sourceforge.phpeclipse.jtidy/src/net/sourceforge/phpdt/tidy/w3c/DOMCharacterDataImpl.java

   1 /*
   2  * @(#)DOMCharacterDataImpl.java   1.11 2000/08/16
   3  *
   4  */
   5
   6 package net.sourceforge.phpdt.tidy.w3c;
   7
   8 import org.w3c.dom.DOMException;
   9
  10 /**
  11  *
  12  * DOMCharacterDataImpl
  13  *
  14  * (c) 1998-2000 (W3C) MIT, INRIA, Keio University
  15  * See Tidy.java for the copyright notice.
  16  * Derived from <a href="http://www.w3.org/People/Raggett/tidy">
  17  * HTML Tidy Release 4 Aug 2000</a>
  18  *
  19  * @author  Dave Raggett <dsr@w3.org>
  20  * @author  Andy Quick <ac.quick@sympatico.ca> (translation to Java)
  21  * @version 1.7, 1999/12/06 Tidy Release 30 Nov 1999
  22  * @version 1.8, 2000/01/22 Tidy Release 13 Jan 2000
  23  * @version 1.9, 2000/06/03 Tidy Release 30 Apr 2000
  24  * @version 1.10, 2000/07/22 Tidy Release 8 Jul 2000
  25  * @version 1.11, 2000/08/16 Tidy Release 4 Aug 2000
  26  */
  27
  28 public class DOMCharacterDataImpl extends DOMNodeImpl
  29                             implements org.w3c.dom.CharacterData {
  30
  31     protected DOMCharacterDataImpl(Node adaptee)
  32     {
  33         super(adaptee);
  34     }
  35
  36
  37     /* --------------------- DOM ---------------------------- */
  38
  39     /**
  40      * @see org.w3c.dom.CharacterData#getData
  41      */
  42     public String getData() throws DOMException
  43     {
  44         return getNodeValue();
  45     }
  46
  47     /**
  48      * @see org.w3c.dom.CharacterData#setData
  49      */
  50     public void setData(String data) throws DOMException
  51     {
  52         // NOT SUPPORTED
  53         throw new DOMExceptionImpl(DOMException.NO_MODIFICATION_ALLOWED_ERR,
  54                                    "Not supported");
  55     }
  56
  57     /**
  58      * @see org.w3c.dom.CharacterData#getLength
  59      */
  60     public int getLength()
  61     {
  62         int len = 0;
  63         if (adaptee.textarray != null && adaptee.start < adaptee.end)
  64             len = adaptee.end - adaptee.start;
  65         return len;
  66     }
  67
  68     /**
  69      * @see org.w3c.dom.CharacterData#substringData
  70      */
  71     public String substringData(int offset,
  72                                 int count) throws DOMException
  73     {
  74         int len;
  75         String value = null;
  76         if (count < 0)
  77         {
  78             throw new DOMExceptionImpl(DOMException.INDEX_SIZE_ERR,
  79                                        "Invalid length");
  80         }
  81         if (adaptee.textarray != null && adaptee.start < adaptee.end)
  82         {
  83             if (adaptee.start + offset >= adaptee.end)
  84             {
  85                 throw new DOMExceptionImpl(DOMException.INDEX_SIZE_ERR,
  86                                            "Invalid offset");
  87             }
  88             len = count;
  89             if (adaptee.start + offset + len - 1 >= adaptee.end)
  90                 len = adaptee.end - adaptee.start - offset;
  91
  92             value = Lexer.getString(adaptee.textarray,
  93                                     adaptee.start + offset,
  94                                     len);
  95         }
  96         return value;
  97     }
  98
  99     /**
 100      * @see org.w3c.dom.CharacterData#appendData
 101      */
 102     public void appendData(String arg) throws DOMException
 103     {
 104         // NOT SUPPORTED
 105         throw new DOMExceptionImpl(DOMException.NO_MODIFICATION_ALLOWED_ERR,
 106                                    "Not supported");
 107     }
 108
 109     /**
 110      * @see org.w3c.dom.CharacterData#insertData
 111      */
 112     public void insertData(int offset,
 113                            String arg) throws DOMException
 114     {
 115         // NOT SUPPORTED
 116         throw new DOMExceptionImpl(DOMException.NO_MODIFICATION_ALLOWED_ERR,
 117                                    "Not supported");
 118     }
 119
 120     /**
 121      * @see org.w3c.dom.CharacterData#deleteData
 122      */
 123     public void deleteData(int offset,
 124                            int count) throws DOMException
 125     {
 126         // NOT SUPPORTED
 127         throw new DOMExceptionImpl(DOMException.NO_MODIFICATION_ALLOWED_ERR,
 128                                    "Not supported");
 129     }
 130
 131     /**
 132      * @see org.w3c.dom.CharacterData#replaceData
 133      */
 134     public void replaceData(int offset,
 135                             int count,
 136                             String arg) throws DOMException
 137     {
 138         // NOT SUPPORTED
 139         throw new DOMExceptionImpl(DOMException.NO_MODIFICATION_ALLOWED_ERR,
 140                                    "Not supported");
 141     }
 142
 143 }