1    /* ====================================================================
2     * The Apache Software License, Version 1.1
3     *
4     * Copyright (c) 2002 The Apache Software Foundation.  All rights
5     * reserved.
6     *
7     * Redistribution and use in source and binary forms, with or without
8     * modification, are permitted provided that the following conditions
9     * are met:
10    *
11    * 1. Redistributions of source code must retain the above copyright
12    *    notice, this list of conditions and the following disclaimer.
13    *
14    * 2. Redistributions in binary form must reproduce the above copyright
15    *    notice, this list of conditions and the following disclaimer in
16    *    the documentation and/or other materials provided with the
17    *    distribution.
18    *
19    * 3. The end-user documentation included with the redistribution,
20    *    if any, must include the following acknowledgment:
21    *       "This product includes software developed by the
22    *        Apache Software Foundation (http://www.apache.org/)."
23    *    Alternately, this acknowledgment may appear in the software itself,
24    *    if and wherever such third-party acknowledgments normally appear.
25    *
26    * 4. The names "Apache" and "Apache Software Foundation" and
27    *    "Apache POI" must not be used to endorse or promote products
28    *    derived from this software without prior written permission. For
29    *    written permission, please contact apache@apache.org.
30    *
31    * 5. Products derived from this software may not be called "Apache",
32    *    "Apache POI", nor may "Apache" appear in their name, without
33    *    prior written permission of the Apache Software Foundation.
34    *
35    * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
36    * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
37    * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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41    * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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45    * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
46    * SUCH DAMAGE.
47    * ====================================================================
48    *
49    * This software consists of voluntary contributions made by many
50    * individuals on behalf of the Apache Software Foundation.  For more
51    * information on the Apache Software Foundation, please see
52    * <http://www.apache.org/>.
53    */
54   
55   /*
56    * Ptg.java
57    *
58    * Created on October 28, 2001, 6:30 PM
59    */
60   package org.apache.poi.hssf.record.formula;
61   
62   import org.apache.poi.util.LittleEndian;
63   import org.apache.poi.hssf.util.SheetReferences;
64   
65   /**
66    * @author Glen Stampoultzis (glens at apache.org)
67    */
68   public class MemFuncPtg extends ControlPtg
69   {
70   
71       public final static byte sid = 0x29;
72       private short field_1_len_ref_subexpression = 0;
73   
74       public MemFuncPtg()
75       {
76           //Required for clone methods
77       }
78   
79       /**Creates new function pointer from a byte array
80        * usually called while reading an excel file.
81        */
82       public MemFuncPtg( byte[] data, int offset )
83       {
84           offset++;
85           field_1_len_ref_subexpression = LittleEndian.getShort( data, offset + 0 );
86       }
87   
88       public int getSize()
89       {
90           return 3;
91       }
92   
93       public void writeBytes( byte[] array, int offset )
94       {
95           array[offset + 0] =  sid ;
96           LittleEndian.putShort( array, offset + 1, (short)field_1_len_ref_subexpression );
97       }
98   
99       public String toFormulaString( SheetReferences refs )
100      {
101          return "";
102      }
103  
104      public byte getDefaultOperandClass()
105      {
106          return 0;
107      }
108  
109      public int getNumberOfOperands()
110      {
111          return field_1_len_ref_subexpression;
112      }
113  
114      public Object clone()
115      {
116          MemFuncPtg ptg = new MemFuncPtg();
117          ptg.field_1_len_ref_subexpression = this.field_1_len_ref_subexpression;
118          return ptg;
119      }
120  
121      public int getLenRefSubexpression()
122      {
123          return field_1_len_ref_subexpression;
124      }
125  
126      public void setLenRefSubexpression(int len)
127      {
128          field_1_len_ref_subexpression = (short)len;
129      }
130  
131  }