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/*******************************************************************************
 * Copyright (c) 2008, 2011 Institute for Software, HSR Hochschule fuer Technik
 * Rapperswil, University of applied sciences 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:
 *     Institute for Software - initial API and implementation
 *******************************************************************************/
package org.eclipse.cdt.internal.core.dom.rewrite.util;

import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.internal.core.resources.ResourceLookup;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.text.TextUtilities;

public class FileHelper {
	private static final String DEFAULT_LINE_DELIMITTER = "\n"; //$NON-NLS-1$

	public static IFile getFileFromNode(IASTNode node) {
		IPath implPath = new Path(node.getContainingFilename());
		return ResourceLookup.selectFileForLocation(implPath, null);
	}

	public static String determineLineDelimiter(String text) {
		String platformDefaultLineDelimiter = System.getProperty("line.separator", DEFAULT_LINE_DELIMITTER); //$NON-NLS-1$
		String defaultLineDelimiter = Platform.getPreferencesService().getString(Platform.PI_RUNTIME,
				Platform.PREF_LINE_SEPARATOR, platformDefaultLineDelimiter, null);
		if (text.isEmpty()) {
			return defaultLineDelimiter;
		}
		return TextUtilities.determineLineDelimiter(text, defaultLineDelimiter);
	}
}