first commit

hrmsEjb/jxl/biff/formula/SharedFormulaCellReference.java

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+package jxl.biff.formula;
+
+import jxl.Cell;
+import jxl.biff.CellReferenceHelper;
+import jxl.biff.IntegerHelper;
+
+class SharedFormulaCellReference extends Operand implements ParsedThing {
+  private boolean columnRelative;
+  
+  private boolean rowRelative;
+  
+  private int column;
+  
+  private int row;
+  
+  private Cell relativeTo;
+  
+  public SharedFormulaCellReference(Cell rt) {
+    this.relativeTo = rt;
+  }
+  
+  public int read(byte[] data, int pos) {
+    this.row = IntegerHelper.getShort(data[pos], data[pos + 1]);
+    int columnMask = IntegerHelper.getInt(data[pos + 2], data[pos + 3]);
+    this.column = (byte)(columnMask & 0xFF);
+    this.columnRelative = ((columnMask & 0x4000) != 0);
+    this.rowRelative = ((columnMask & 0x8000) != 0);
+    if (this.columnRelative)
+      this.column = this.relativeTo.getColumn() + this.column; 
+    if (this.rowRelative)
+      this.row = this.relativeTo.getRow() + this.row; 
+    return 4;
+  }
+  
+  public int getColumn() {
+    return this.column;
+  }
+  
+  public int getRow() {
+    return this.row;
+  }
+  
+  public void getString(StringBuffer buf) {
+    CellReferenceHelper.getCellReference(this.column, this.row, buf);
+  }
+  
+  byte[] getBytes() {
+    byte[] data = new byte[5];
+    data[0] = Token.REF.getCode();
+    IntegerHelper.getTwoBytes(this.row, data, 1);
+    int columnMask = this.column;
+    if (this.columnRelative)
+      columnMask |= 0x4000; 
+    if (this.rowRelative)
+      columnMask |= 0x8000; 
+    IntegerHelper.getTwoBytes(columnMask, data, 3);
+    return data;
+  }
+}