tikhomirov@229: /*
tikhomirov@229:  * Copyright (c) 2011 TMate Software Ltd
tikhomirov@229:  *  
tikhomirov@229:  * This program is free software; you can redistribute it and/or modify
tikhomirov@229:  * it under the terms of the GNU General Public License as published by
tikhomirov@229:  * the Free Software Foundation; version 2 of the License.
tikhomirov@229:  *
tikhomirov@229:  * This program is distributed in the hope that it will be useful,
tikhomirov@229:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
tikhomirov@229:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
tikhomirov@229:  * GNU General Public License for more details.
tikhomirov@229:  *
tikhomirov@229:  * For information on how to redistribute this software under
tikhomirov@229:  * the terms of a license other than GNU General Public License
tikhomirov@229:  * contact TMate Software at support@hg4j.com
tikhomirov@229:  */
tikhomirov@229: package org.tmatesoft.hg.internal;
tikhomirov@229: 
tikhomirov@229: import java.util.ArrayList;
tikhomirov@229: 
tikhomirov@229: import org.tmatesoft.hg.util.Path;
tikhomirov@229: 
tikhomirov@229: /**
tikhomirov@229:  * @author Artem Tikhomirov
tikhomirov@229:  * @author TMate Software Ltd.
tikhomirov@229:  */
tikhomirov@229: public class PathScope implements Path.Matcher {
tikhomirov@229: 	private final Path[] files;
tikhomirov@229: 	private final Path[] dirs;
tikhomirov@229: 	private final boolean recursiveDirs;
tikhomirov@229: 
tikhomirov@229: 	public PathScope(boolean recursiveDirs, Path... paths) {
tikhomirov@229: 		if (paths == null) {
tikhomirov@229: 			throw new IllegalArgumentException();
tikhomirov@229: 		}
tikhomirov@229: 		this.recursiveDirs = recursiveDirs;
tikhomirov@229: 		ArrayList<Path> f = new ArrayList<Path>(5);
tikhomirov@229: 		ArrayList<Path> d = new ArrayList<Path>(5);
tikhomirov@229: 		for (Path p : paths) {
tikhomirov@229: 			if (p.isDirectory()) {
tikhomirov@229: 				d.add(p);
tikhomirov@229: 			} else {
tikhomirov@229: 				f.add(p);
tikhomirov@229: 			}
tikhomirov@229: 		}
tikhomirov@229: 		files = f.toArray(new Path[f.size()]);
tikhomirov@229: 		dirs = d.toArray(new Path[d.size()]);
tikhomirov@229: 	}
tikhomirov@229: 
tikhomirov@229: 	public boolean accept(Path path) {
tikhomirov@229: 		if (path.isDirectory()) {
tikhomirov@229: 			// either equals to or parent of a directory we know about. 
tikhomirov@229: 			// If recursiveDirs, accept also if nested to one of our directories.
tikhomirov@229: 			// If one of configured files is nested under the path, accept.
tikhomirov@229: 			for (Path d : dirs) {
tikhomirov@229: 				switch(d.compareWith(path)) {
tikhomirov@229: 				case Same : return true;
tikhomirov@229: 				case Nested : return true;
tikhomirov@229: 				case Parent : return recursiveDirs;
tikhomirov@229: 				}
tikhomirov@229: 			}
tikhomirov@229: 			for (Path f : files) {
tikhomirov@229: 				if (f.compareWith(path) == Path.CompareResult.Nested) {
tikhomirov@229: 					return true;
tikhomirov@229: 				}
tikhomirov@229: 			}
tikhomirov@229: 		} else {
tikhomirov@229: 			for (Path d : dirs) {
tikhomirov@229: 				if (d.compareWith(path) == Path.CompareResult.Parent) {
tikhomirov@229: 					return true;
tikhomirov@229: 				}
tikhomirov@229: 			}
tikhomirov@229: 			for (Path f : files) {
tikhomirov@229: 				if (f.equals(path)) {
tikhomirov@229: 					return true;
tikhomirov@229: 				}
tikhomirov@229: 			}
tikhomirov@229: 			// either lives in a directory in out scope
tikhomirov@229: 			// or there's a file that matches the path
tikhomirov@229: 		}
tikhomirov@229: 		// TODO Auto-generated method stub
tikhomirov@229: 		return false;
tikhomirov@229: 	}
tikhomirov@229: }