1 files changed, 121 insertions, 0 deletions
diff --git a/petascope/src/petascope/wcps/grammar/CoverageExpr.java b/petascope/src/petascope/wcps/grammar/CoverageExpr.java
new file mode 100644
index 0000000..6c38675
--- /dev/null
+++ b/petascope/src/petascope/wcps/grammar/CoverageExpr.java
@@ -0,0 +1,121 @@
+/*
+ * This file is part of PetaScope.
+ *
+ * PetaScope is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * PetaScope is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with PetaScope. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * For more information please see <http://www.PetaScope.org>
+ * or contact Peter Baumann via <baumann@rasdaman.com>.
+ *
+ * Copyright 2009 Jacobs University Bremen, Peter Baumann.
+ */
+package petascope.wcps.grammar;
+
+/**
+ * CoverageExpr
+ * Creation date: (3/3/2003 2:28:43 AM)
+ * @author: mattia parigiani, Sorin Stancu-Mara, Andrei Aiordachioaie
+ */
+public class CoverageExpr implements IParseTreeNode {
+
+    String coverageName;
+    IParseTreeNode expr, e1, e2;
+    String function;
+    String op;
+
+    public CoverageExpr(IParseTreeNode n) {
+        expr = n;
+        function = "child";
+    }
+
+    public CoverageExpr(String n) {
+        coverageName = n;
+        function = "coverage";
+    }
+
+    /* Unary Induced Expressions */
+    public CoverageExpr(String op, CoverageExpr ce) {
+        expr = ce;
+        function = "unaryOp";
+        this.op = op;
+    }
+
+    public CoverageExpr(String op, CoverageExpr e1, CoverageExpr e2) {
+        function = "binaryOp";
+        this.op = op;
+        this.e1 = e1;
+        this.e2 = e2;
+    }
+
+    public String toXML() {
+        String result = "";
+
+        if (function.equals("coverage")) {
+            result = "<coverage>" + coverageName + "</coverage>";
+        } else if (function.equals("binaryOp")) {
+            formatOperation();
+            result = "<" + op + ">" + e1.toXML() + e2.toXML() + "</" + op + ">";
+        } else if (function.equals("unaryOp")) {
+            formatOperation();
+            if (op.equals("plus")) {
+                op = "unaryPlus";
+            }
+            if (op.equals("minus")) {
+                op = "unaryMinus";
+            }
+            result = "<" + op + ">" + expr.toXML() + "</" + op + ">";
+        } else if (function.equals("child")) {
+            result = expr.toXML();
+        }
+
+        return result;
+    }
+
+    private void formatOperation() {
+        if (op.equals("+")) {
+            op = "plus";
+        }
+        if (op.equals("-")) {
+            op = "minus";
+        }
+        if (op.equals("*")) {
+            op = "mult";
+        }
+        if (op.equals("/")) {
+            op = "div";
+        }
+
+        // AND, OR, XOR stay the same
+
+        if (op.equals("=")) {
+            op = "equals";
+        }
+        if (op.equals("<")) {
+            op = "lessThan";
+        }
+        if (op.equals(">")) {
+            op = "greaterThan";
+        }
+        if (op.equals("<=")) {
+            op = "lessOrEqual";
+        }
+        if (op.equals(">=")) {
+            op = "greaterOrEqual";
+        }
+        if (op.equals("!=")) {
+            op = "notEqual";
+        }
+
+        // OVERLAY stays the same
+    }
+}