1 files changed, 106 insertions, 0 deletions
diff --git a/plugins/org.eclipse.etrice.core.config/src/org/eclipse/etrice/core/config/util/ConfigUtil.java b/plugins/org.eclipse.etrice.core.config/src/org/eclipse/etrice/core/config/util/ConfigUtil.java
new file mode 100644
index 000000000..850311c89
--- /dev/null
+++ b/plugins/org.eclipse.etrice.core.config/src/org/eclipse/etrice/core/config/util/ConfigUtil.java
@@ -0,0 +1,106 @@
+/*******************************************************************************
+ * Copyright (c) 2012 protos software gmbh (http://www.protos.de).
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * CONTRIBUTORS:
+ * 		Juergen Haug
+ * 
+ *******************************************************************************/
+
+package org.eclipse.etrice.core.config.util;
+
+import org.eclipse.etrice.core.config.IntLiteral;
+import org.eclipse.etrice.core.config.NumberLiteral;
+import org.eclipse.etrice.core.config.RealLiteral;
+import org.eclipse.etrice.core.config.RefPath;
+import org.eclipse.etrice.core.room.ActorContainerClass;
+import org.eclipse.etrice.core.room.ActorContainerRef;
+import org.eclipse.etrice.core.room.ActorRef;
+import org.eclipse.etrice.core.room.Attribute;
+import org.eclipse.etrice.core.room.DataType;
+import org.eclipse.etrice.core.room.LiteralType;
+import org.eclipse.etrice.core.room.PrimitiveType;
+import org.eclipse.etrice.core.room.util.RoomHelpers;
+
+public class ConfigUtil {
+
+	public static LiteralType getLiteralType(Attribute attr) {
+		if (attr == null)
+			return null;
+
+		if (attr.getRefType() != null) {
+			DataType type = attr.getRefType().getType();
+			if (type instanceof PrimitiveType) {
+				return ((PrimitiveType) type).getType();
+			}
+		}
+
+		return null;
+	}
+
+	public static ActorContainerClass resolve(ActorContainerClass root,
+			RefPath path) {
+		if (path == null)
+			return root;
+
+		ActorContainerClass result = root;
+		for (String ref : path.getRefs()) {
+			ActorRef match = null;
+			for (ActorContainerRef actor : RoomHelpers.getRefs(result, true)) {
+				if (actor instanceof ActorRef && actor.getName().equals(ref)) {
+					match = (ActorRef) actor;
+					break;
+				}
+			}
+
+			if (match == null)
+				return null;
+			result = match.getType();
+		}
+
+		return result;
+	}
+
+	/**
+	 * returns first invalid path segment else null
+	 * 
+	 * @param root
+	 * @param path
+	 * @return
+	 */
+	public static String checkPath(ActorContainerClass root, RefPath path) {
+		if (path == null)
+			return null;
+
+		ActorContainerClass last = root;
+		for (String ref : path.getRefs()) {
+			ActorRef match = null;
+			for (ActorRef actor : last.getActorRefs()) {
+				if (actor.getName().equals(ref)) {
+					match = actor;
+					break;
+				}
+			}
+			if (match == null)
+				return ref;
+			last = match.getType();
+		}
+
+		return null;
+	}
+
+	public static double literalToDouble(NumberLiteral number) {
+		double dValue = 0;
+		if (number instanceof IntLiteral)
+			dValue = ((IntLiteral) number).getValue();
+		else if (number instanceof RealLiteral)
+			dValue = ((RealLiteral) number).getValue();
+		else
+			assert (false) : "unexpected type";
+
+		return dValue;
+	}
+}