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/*******************************************************************************
 * Copyright (c) 2009, 2010 Alena Laskavaia 
 * 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:
 *    Alena Laskavaia  - initial API and implementation
 *******************************************************************************/
package org.eclipse.cdt.codan.core.model;

import org.eclipse.core.resources.IFile;

/**
 * Factory interface that allows to create problem locations.
 * 
 * Clients may implement and extend this interface.
 * <p>
 * <strong>EXPERIMENTAL</strong>. This class or interface has been added as part
 * of a work in progress. There is no guarantee that this API will work or that
 * it will remain the same.
 * </p>
 */
public interface IProblemLocationFactory {
	/**
	 * Create and return instance of IProblemLocation
	 * 
	 * @param file
	 *        - file where problem is found
	 * @param line
	 *        - line number where problem is found, starts with 1
	 * @return instance of IProblemLocation
	 */
	public IProblemLocation createProblemLocation(IFile file, int line);

	/**
	 * Create and return instance of IProblemLocation
	 * 
	 * @param file
	 *        - file where problem is found
	 * @param startChar
	 *        - start char of the problem in the file, is zero-relative
	 * @param endChar
	 *        - end char of the problem in the file, is zero-relative and
	 *        exclusive.
	 * @return instance of IProblemLocation
	 */
	public IProblemLocation createProblemLocation(IFile file, int startChar,
			int endChar);

	/**
	 * Create and return instance of IProblemLocation
	 * 
	 * @param astFile - file where problem is found
	 * @param startChar - start char of the problem in the file, is
	 *        zero-relative
	 * @param endChar - end char of the problem in the file, is zero-relative and
	 *        exclusive.
	 * 
	 * @param line
	 *        - start line number (for visualisation purposes)
	 * @return instance of IProblemLocation
	 */
	public IProblemLocation createProblemLocation(IFile astFile,
			int startChar, int endChar, int line);
}