ant/org.eclipse.ant.ui/Ant Editor/org/eclipse/ant/internal/ui/editor/text/AntStorageDocumentProvider.java

/**********************************************************************
 Copyright (c) 2000, 2004 IBM Corp. and others.
 All rights reserved. This program and the accompanying materials
 are made available under the terms of the Common Public License v1.0
 which accompanies this distribution, and is available at
 http://www.eclipse.org/legal/cpl-v10.html

 Contributors:
 IBM Corporation - Initial implementation
 **********************************************************************/
package org.eclipse.ant.internal.ui.editor.text;

import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IDocumentExtension3;
import org.eclipse.jface.text.IDocumentPartitioner;
import org.eclipse.jface.text.rules.FastPartitioner;
import org.eclipse.ui.editors.text.StorageDocumentProvider;

/**
 * @since 3.0
 */
public class AntStorageDocumentProvider extends StorageDocumentProvider {
	
	/*
	 * @see org.eclipse.ui.editors.text.StorageDocumentProvider#setupDocument(java.lang.Object,
	 *      org.eclipse.jface.text.IDocument)
	 */
	protected void setupDocument(Object element, IDocument document) {
		if (document != null) {
			IDocumentPartitioner partitioner= createDocumentPartitioner();
			if (document instanceof IDocumentExtension3) {
				IDocumentExtension3 extension3= (IDocumentExtension3) document;
				extension3.setDocumentPartitioner(AntDocumentSetupParticipant.ANT_PARTITIONING, partitioner);
			} else {
				document.setDocumentPartitioner(partitioner);
			}
			partitioner.connect(document);
		}
	}
	
	private IDocumentPartitioner createDocumentPartitioner() {
		return new FastPartitioner(
				new AntEditorPartitionScanner(), new String[]{
						AntEditorPartitionScanner.XML_TAG,
						AntEditorPartitionScanner.XML_COMMENT,
						AntEditorPartitionScanner.XML_CDATA,
						AntEditorPartitionScanner.XML_DTD});
	}
}