first commit

hrmsEjb/jxl/biff/formula/SharedFormulaArea.java

@@ -0,0 +1,83 @@
+package jxl.biff.formula;
+
+import jxl.Cell;
+import jxl.biff.CellReferenceHelper;
+import jxl.biff.IntegerHelper;
+
+class SharedFormulaArea extends Operand implements ParsedThing {
+  private int columnFirst;
+  
+  private int rowFirst;
+  
+  private int columnLast;
+  
+  private int rowLast;
+  
+  private boolean columnFirstRelative;
+  
+  private boolean rowFirstRelative;
+  
+  private boolean columnLastRelative;
+  
+  private boolean rowLastRelative;
+  
+  private Cell relativeTo;
+  
+  public SharedFormulaArea(Cell rt) {
+    this.relativeTo = rt;
+  }
+  
+  int getFirstColumn() {
+    return this.columnFirst;
+  }
+  
+  int getFirstRow() {
+    return this.rowFirst;
+  }
+  
+  int getLastColumn() {
+    return this.columnLast;
+  }
+  
+  int getLastRow() {
+    return this.rowLast;
+  }
+  
+  public int read(byte[] data, int pos) {
+    this.rowFirst = IntegerHelper.getShort(data[pos], data[pos + 1]);
+    this.rowLast = IntegerHelper.getShort(data[pos + 2], data[pos + 3]);
+    int columnMask = IntegerHelper.getInt(data[pos + 4], data[pos + 5]);
+    this.columnFirst = columnMask & 0xFF;
+    this.columnFirstRelative = ((columnMask & 0x4000) != 0);
+    this.rowFirstRelative = ((columnMask & 0x8000) != 0);
+    if (this.columnFirstRelative)
+      this.columnFirst = this.relativeTo.getColumn() + this.columnFirst; 
+    if (this.rowFirstRelative)
+      this.rowFirst = this.relativeTo.getRow() + this.rowFirst; 
+    columnMask = IntegerHelper.getInt(data[pos + 6], data[pos + 7]);
+    this.columnLast = columnMask & 0xFF;
+    this.columnLastRelative = ((columnMask & 0x4000) != 0);
+    this.rowLastRelative = ((columnMask & 0x8000) != 0);
+    if (this.columnLastRelative)
+      this.columnLast = this.relativeTo.getColumn() + this.columnLast; 
+    if (this.rowLastRelative)
+      this.rowLast = this.relativeTo.getRow() + this.rowLast; 
+    return 8;
+  }
+  
+  public void getString(StringBuffer buf) {
+    CellReferenceHelper.getCellReference(this.columnFirst, this.rowFirst, buf);
+    buf.append(':');
+    CellReferenceHelper.getCellReference(this.columnLast, this.rowLast, buf);
+  }
+  
+  byte[] getBytes() {
+    byte[] data = new byte[9];
+    data[0] = Token.AREA.getCode();
+    IntegerHelper.getTwoBytes(this.rowFirst, data, 1);
+    IntegerHelper.getTwoBytes(this.rowLast, data, 3);
+    IntegerHelper.getTwoBytes(this.columnFirst, data, 5);
+    IntegerHelper.getTwoBytes(this.columnLast, data, 7);
+    return data;
+  }
+}