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/*******************************************************************************
* Copyright (c) 2001, 2004 IBM Corporation and others.
* 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:
* IBM Corporation - initial API and implementation
* Jens Lukowski/Innoopract - initial renaming/restructuring
*
*******************************************************************************/
package org.eclipse.wst.dtd.core.internal.util;
import java.util.Iterator;
import java.util.List;
import org.eclipse.wst.dtd.core.internal.Attribute;
import org.eclipse.wst.dtd.core.internal.CMBasicNode;
import org.eclipse.wst.dtd.core.internal.DTDFile;
import org.eclipse.wst.dtd.core.internal.Element;
import org.eclipse.wst.dtd.core.internal.Entity;
import org.eclipse.wst.dtd.core.internal.Notation;
public class DTDUniqueNameHelper {
static public String getName(Object obj) {
if (obj instanceof Element) {
return ((Element) obj).getName();
}
else if (obj instanceof Entity) {
return ((Entity) obj).getName();
}
else if (obj instanceof Notation) {
return ((Notation) obj).getName();
}
else if (obj instanceof Attribute) {
return ((Attribute) obj).getName();
}
else if (obj instanceof CMBasicNode) // Model Group Content
{
return ((CMBasicNode) obj).getName();
}
return ""; //$NON-NLS-1$
}
static public String getUniqueAttributeName(Element element) {
List attrs = element.getElementAttributes();
return getUniqueName(attrs, "NewAttribute"); //$NON-NLS-1$
}
static public String getUniqueElementName(DTDFile dtdFile) {
List elements = dtdFile.getElementsAndParameterEntityReferences().getNodes();
return getUniqueName(elements, "NewElement"); //$NON-NLS-1$
}
static public String getUniqueEntityName(DTDFile dtdFile) {
List entities = dtdFile.getEntities().getNodes();
return getUniqueName(entities, "NewEntity"); //$NON-NLS-1$
}
static public String getUniqueName(List objs, String token) {
int counter = 1;
boolean uniqueName = false;
while (!uniqueName) {
String newName = token + new Integer(counter++);
uniqueName = true;
Iterator iter = objs.iterator();
while (iter.hasNext()) {
Object obj = iter.next();
String objName = getName(obj);
if (objName.equals(newName)) {
uniqueName = false;
break;
}
}
if (uniqueName) {
return newName;
}
}
// we shouldn't get here
return "No Name found"; //$NON-NLS-1$
}
static public String getUniqueNotationName(DTDFile dtdFile) {
List notations = dtdFile.getNotations().getNodes();
return getUniqueName(notations, "NewNotation"); //$NON-NLS-1$
}
public DTDUniqueNameHelper() {
}
} // DTDUniqueNameHelper
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