/*******************************************************************************
* Copyright (c) 2008 xored software, Inc.
*
* 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:
* xored software, Inc. - initial API and Implementation (Andrei Sobolev)
*******************************************************************************/
package org.eclipse.dltk.internal.core;
import org.eclipse.dltk.core.DLTKCore;
import org.eclipse.dltk.core.IModelElement;
import org.eclipse.dltk.core.IModelElementMemento;
import org.eclipse.dltk.core.IParent;
import org.eclipse.dltk.core.ModelException;
import org.eclipse.dltk.core.WorkingCopyOwner;
import org.eclipse.dltk.internal.core.util.MementoTokenizer;
public class MementoModelElementUtil {
public static IModelElement getHandleFromMemento(MementoTokenizer memento,
IParent parent, WorkingCopyOwner owner) {
String token = null;
String name = "";
while (memento.hasMoreTokens()) {
token = memento.nextToken();
char firstChar = token.charAt(0);
if (ModelElement.JEM_USER_ELEMENT_ENDING.indexOf(firstChar) == -1
&& firstChar != ModelElement.JEM_COUNT) {
name += token;
} else {
break;
}
}
if (!memento.hasMoreTokens()) {
token = null;
}
try {
IModelElement[] children = parent.getChildren();
for (int i = 0; i < children.length; i++) {
if (name.equals(children[i].getElementName())
&& children[i] instanceof IModelElementMemento) {
IModelElementMemento childMemento = (IModelElementMemento) children[i];
if (token == null) {
return childMemento
.getHandleFromMemento(memento, owner);
} else {
return childMemento.getHandleFromMemento(token,
memento, owner);
}
}
}
} catch (ModelException e) {
DLTKCore.error("Incorrect handle resolving", e);
}
return null;
}
}