first commit

hrmsEjb/jxl/biff/formula/Operator.java

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+package jxl.biff.formula;
+
+import java.util.Stack;
+
+abstract class Operator extends ParseItem {
+  private ParseItem[] operands = new ParseItem[0];
+  
+  protected void setOperandAlternateCode() {
+    for (int i = 0; i < this.operands.length; i++)
+      this.operands[i].setAlternateCode(); 
+  }
+  
+  protected void add(ParseItem n) {
+    n.setParent(this);
+    ParseItem[] newOperands = new ParseItem[this.operands.length + 1];
+    System.arraycopy(this.operands, 0, newOperands, 0, this.operands.length);
+    newOperands[this.operands.length] = n;
+    this.operands = newOperands;
+  }
+  
+  public abstract void getOperands(Stack paramStack);
+  
+  protected ParseItem[] getOperands() {
+    return this.operands;
+  }
+  
+  abstract int getPrecedence();
+}