1 files changed, 74 insertions, 0 deletions
diff --git a/src/grammar/BooleanScalarExpr.java b/src/grammar/BooleanScalarExpr.java
new file mode 100644
index 0000000..1123eda
--- /dev/null
+++ b/src/grammar/BooleanScalarExpr.java
@@ -0,0 +1,74 @@
+package grammar;
+
+/**
+ * BooleanScalarExpr
+ * Creation date: (3/3/2003 2:28:43 AM)
+ * @author: mattia parigiani, Sorin Stancu-Mara, Andrei Aiordachioaie
+ */
+
+public class BooleanScalarExpr implements IParseTreeNode
+{
+	BooleanScalarExpr leftBooleanScalarExpr, rightBooleanScalarExpr;
+    NumericScalarExpr leftNumericScalar, rightNumericScalar;
+    IParseTreeNode left, right;
+	String booleanConstant;
+	String op;
+    String node1, node2;
+
+    public BooleanScalarExpr(String bc) {
+        op = null;
+		booleanConstant = bc;		
+	}	
+	
+	public BooleanScalarExpr(String op, BooleanScalarExpr be){
+		this.op = op;
+		left = be ;
+	}
+	
+	public BooleanScalarExpr(String op, BooleanScalarExpr lbe, BooleanScalarExpr rbe){
+		this.op = op;
+		left = lbe ;
+		right = rbe ;
+	}
+
+    public BooleanScalarExpr(String op, NumericScalarExpr left, NumericScalarExpr right)
+    {
+        this.op = op;
+        this.left = left;
+        this.right = right;
+    }
+
+    public BooleanScalarExpr(String op, StringScalarExpr e1, StringScalarExpr e2)
+    {
+        this.op = op;
+        left = e1;
+        right = e2;
+    }
+	
+	public String toXML(){
+		if (op == null) return "<booleanConstant>" + booleanConstant + "</booleanConstant>";
+		else if (op.equals("not")) return "<booleanNot>" + left.toXML() + "</booleanNot>";
+		else
+        {
+            if (this.left != null)
+                node1 = this.left.toXML();
+            if (this.right != null)
+                node2 = this.right.toXML();
+            
+		    if (op.equals("and")) op = "booleanAnd";
+		    else if (op.equals("or")) op = "booleanOr";
+		    else if (op.equals("xor")) op = "booleanXor";
+            
+            else if (op.equals("=")) op = "booleanEqualNumeric";
+            else if (op.equals("!=")) op = "booleanNotEqualNumeric";
+            else if (op.equals("<")) op = "booleanLessThan";
+            else if (op.equals(">")) op = "booleanGreaterThan";
+            else if (op.equals("<=")) op = "booleanLessOrEqual";
+            else if (op.equals(">=")) op = "booleanGreaterOrEqual";
+
+		    return "<" + op + ">" + node1 + node2 + "</" + op + ">";
+		}
+		
+	}
+	
+}