1 files changed, 81 insertions, 0 deletions
diff --git a/src/grammar/MetaDataExpr.java b/src/grammar/MetaDataExpr.java
new file mode 100644
index 0000000..86795af
--- /dev/null
+++ b/src/grammar/MetaDataExpr.java
@@ -0,0 +1,81 @@
+package grammar;
+
+/**
+ * MetaDataExpr
+ * Creation date: (3/3/2003 2:28:43 AM)
+ * @author: mattia parigiani, Sorin Stancu-Mara, Andrei Aiordachioaie
+ */
+public class MetaDataExpr implements IParseTreeNode {
+
+	String function;
+	CoverageExpr expr;
+	IParseTreeNode param;
+	String field;
+
+    // Identifier, ImageCRS, ImageCRSDomain, CrsSet, NullSet
+    public MetaDataExpr(String op, CoverageExpr expr)
+    {
+        function = op;
+        this.expr = expr;
+    }
+
+    // ImageCRSDomain, interpolationDefault, interpolationSet
+	public MetaDataExpr(String op, CoverageExpr expr, String str)
+    {
+		function = op;
+		this.expr = expr;
+		this.field = str;
+	}
+
+    public MetaDataExpr(DomainExpr dom)
+    {
+        function = "domain";
+        param = dom;
+    }
+
+	public String toXML()
+    {
+		String result = "";
+
+        if (function.equalsIgnoreCase("imageCrsDomain"))
+        {
+            result += "<imageCrsDomain>";
+            result += expr.toXML();
+            if (field != null)
+                result += "<axis>" + field + "</axis>";
+            result += "</imageCrsDomain>";
+        }
+        else if (function.equalsIgnoreCase("domain"))
+        {
+            result = "<DomainMetadata>" + param.toXML() + "</DomainMetadata>";
+        }
+        else if (function.equalsIgnoreCase("interpolationDefault"))
+        {
+            result += "<interpolationDefault>";
+            result += expr.toXML();
+            result += "<name>" + param + "</param>";
+            result += "</interpolationDefault>";
+        }
+        else if (function.equalsIgnoreCase("interpolationSet"))
+        {
+            result += "<interpolationSet>";
+            result += expr.toXML();
+            result += "<name>" + param + "</param>";
+            result += "</interpolationSet>";
+        }
+        else if (function.equalsIgnoreCase("identifier") || function.equalsIgnoreCase("imageCRS")
+                || function.equalsIgnoreCase("crsSet") || function.equalsIgnoreCase("nullSet"))
+        {
+            result += "<" + function + ">";
+            result += expr.toXML();
+            result += "</" + function + ">";
+        }
+        else
+        {
+            System.err.println("Unknown MetadataExpr operation: " + function);
+        }
+
+		return result;
+	}
+	
+}