1    
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55   
56   /*
57    * AttrPtg.java
58    *
59    * Created on November 21, 2001, 1:20 PM
60    */
61   package org.apache.poi.hssf.record.formula;
62   
63   import org.apache.poi.util.LittleEndian;
64   import org.apache.poi.util.BitField;
65   
66   /**
67    * "Special Attributes"
68    * This seems to be a Misc Stuff and Junk record.  One function it serves is
69    * in SUM functions (i.e. SUM(A1:A3) causes an area PTG then an ATTR with the SUM option set)
70    * @author  andy
71    */
72   
73   public class AttrPtg
74       extends Ptg
75       implements OperationPtg
76   {
77       public final static short sid  = 0x19;
78       private final static int  SIZE = 4;
79       private byte              field_1_options;
80       private short             field_2_data;
81       private BitField          semiVolatile = new BitField(0x01);
82       private BitField          optiIf       = new BitField(0x02);
83       private BitField          optiChoose   = new BitField(0x04);
84       private BitField          optGoto      = new BitField(0x08);
85       private BitField          sum          = new BitField(0x10);
86       private BitField          baxcel       = new BitField(0x20);
87       private BitField          space        = new BitField(0x40);
88   
89       /** Creates new AttrPtg */
90   
91       public AttrPtg()
92       {
93       }
94   
95       public AttrPtg(byte [] data, int offset)
96       {
97           offset++;   // adjust past id
98           field_1_options = data[ offset + 0 ];
99           field_2_data    = LittleEndian.getShort(data, offset + 1);
100          System.out.println("OPTIONS = " + Integer.toHexString(getOptions()));
101          System.out.println("OPTIONS & 0x10 = " + (getOptions() & 0x10));
102          System.out.println(toString());
103      }
104  
105      public void setOptions(byte options)
106      {
107          field_1_options = options;
108      }
109  
110      public byte getOptions()
111      {
112          return field_1_options;
113      }
114  
115      public boolean isSemiVolatile()
116      {
117          return semiVolatile.isSet(getOptions());
118      }
119  
120      public boolean isOptimizedIf()
121      {
122          return optiIf.isSet(getOptions());
123      }
124  
125      public boolean isOptimizedChoose()
126      {
127          return optiChoose.isSet(getOptions());
128      }
129  
130      // lets hope no one uses this anymore
131      public boolean isGoto()
132      {
133          return optGoto.isSet(getOptions());
134      }
135  
136      public boolean isSum()
137      {
138          return sum.isSet(getOptions());
139      }
140  
141      // lets hope no one uses this anymore
142      public boolean isBaxcel()
143      {
144          return baxcel.isSet(getOptions());
145      }
146  
147      // biff3&4 only  shouldn't happen anymore
148      public boolean isSpace()
149      {
150          return space.isSet(getOptions());
151      }
152  
153      public void setData(short data)
154      {
155          field_2_data = data;
156      }
157  
158      public short getData()
159      {
160          return field_2_data;
161      }
162  
163      public String toString()
164      {
165          StringBuffer buffer = new StringBuffer();
166  
167          buffer.append("AttrPtg\n");
168          buffer.append("options=").append(field_1_options).append("\n");
169          buffer.append("data   =").append(field_2_data).append("\n");
170          buffer.append("semi   =").append(isSemiVolatile()).append("\n");
171          buffer.append("optimif=").append(isOptimizedIf()).append("\n");
172          buffer.append("optchos=").append(isOptimizedChoose()).append("\n");
173          buffer.append("isGoto =").append(isGoto()).append("\n");
174          buffer.append("isSum  =").append(isSum()).append("\n");
175          buffer.append("isBaxce=").append(isBaxcel()).append("\n");
176          buffer.append("isSpace=").append(isSpace()).append("\n");
177          return buffer.toString();
178      }
179  
180      public void writeBytes(byte [] array, int offset)
181      {
182      }
183  
184      public int getSize()
185      {
186          return SIZE;
187      }
188  
189      public String toFormulaString()
190      {
191          return "SUM()";
192      }
193  
194      public String toFormulaString(Ptg [] operands)
195      {
196          return "SUM(" + operands[ 0 ].toFormulaString() + ")";
197      }
198  
199      public int getNumberOfOperands()
200      {
201          return 1;
202      }
203  
204      public int getType()
205      {
206          return -1;
207      }
208  }
209