/*******************************************************************************
 * Copyright (c) 2002, 2013 QNX Software Systems and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 * QNX Software Systems - Initial API and implementation
 *******************************************************************************/

package org.eclipse.cdt.make.internal.ui.editor;

import org.eclipse.cdt.make.internal.ui.text.makefile.MakefilePartitionScanner;
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;

/**
 * MakefileStorageDocumentProvider
 */
public class MakefileStorageDocumentProvider extends StorageDocumentProvider {
	@Override
	protected void setupDocument(Object element, IDocument document) {
		if (document != null) {
			IDocumentPartitioner partitioner = createDocumentPartitioner();
			if (document instanceof IDocumentExtension3) {
				IDocumentExtension3 extension3 = (IDocumentExtension3) document;
				extension3.setDocumentPartitioner(MakefileDocumentSetupParticipant.MAKEFILE_PARTITIONING, partitioner);
			} else {
				document.setDocumentPartitioner(partitioner);
			}
			partitioner.connect(document);
		}
	}

	private IDocumentPartitioner createDocumentPartitioner() {
		return new FastPartitioner(new MakefilePartitionScanner(), MakefilePartitionScanner.MAKE_PARTITIONS);
	}

}
